Merge pull request #111299 from stuartcarnie/swift_build

Build: Fix container build path for swift

.github/CODEOWNERS

@@ -45,8 +45,6 @@
 # Editor
 
 /editor/                                      @godotengine/docks
-/editor/script/                               @godotengine/script-editor
-/editor/shader/                               @godotengine/script-editor @godotengine/shaders
 /editor/animation/                            @godotengine/animation
 /editor/audio/                                @godotengine/audio
 /editor/debugger/                             @godotengine/debugger
@@ -57,10 +55,12 @@
 /editor/import/                               @godotengine/import
 /editor/inspector/                            @godotengine/docks
 /editor/scene/2d/                             @godotengine/2d-editor
-/editor/scene/2d/physics                      @godotengine/2d-editor @godotengine/physics
+/editor/scene/2d/physics/                     @godotengine/2d-editor @godotengine/physics
 /editor/scene/3d/                             @godotengine/3d-editor
-/editor/scene/3d/physics                      @godotengine/3d-editor @godotengine/physics
+/editor/scene/3d/physics/                     @godotengine/3d-editor @godotengine/physics
 /editor/scene/gui/                            @godotengine/gui-nodes
+/editor/script/                               @godotengine/script-editor
+/editor/shader/                               @godotengine/script-editor @godotengine/shaders
 /editor/themes/                               @godotengine/usability @godotengine/gui-nodes
 /editor/translations/                         @godotengine/usability
 
@@ -205,9 +205,12 @@
 # Scene
 
 /scene/2d/                                    @godotengine/2d-nodes
+/scene/2d/navigation/                         @godotengine/2d-nodes @godotengine/navigation
 /scene/2d/physics/                            @godotengine/2d-nodes @godotengine/physics
 /scene/3d/                                    @godotengine/3d-nodes
+/scene/3d/navigation/                         @godotengine/3d-nodes @godotengine/navigation
 /scene/3d/physics/                            @godotengine/3d-nodes @godotengine/physics
+/scene/3d/xr/                                 @godotengine/3d-nodes @godotengine/xr
 /scene/animation/                             @godotengine/animation
 /scene/audio/                                 @godotengine/audio
 /scene/debugger/                              @godotengine/debugger
@@ -227,18 +230,13 @@
 
 # Servers
 
-/servers/**/audio_*                           @godotengine/audio
-/servers/**/camera_*                          @godotengine/xr
-/servers/**/debugger_*                        @godotengine/debugger
-/servers/**/navigation_*                      @godotengine/navigation
-/servers/**/physics_*                         @godotengine/physics
-/servers/**/rendering_*                       @godotengine/rendering
-/servers/**/text_*                            @godotengine/gui-nodes
-/servers/**/xr_*                              @godotengine/xr
 /servers/audio/                               @godotengine/audio
 /servers/camera/                              @godotengine/xr
 /servers/debugger/                            @godotengine/debugger
-/servers/navigation/                          @godotengine/navigation
+/servers/navigation_2d/                       @godotengine/navigation
+/servers/navigation_3d/                       @godotengine/navigation
+/servers/physics_2d/                          @godotengine/physics
+/servers/physics_3d/                          @godotengine/physics
 /servers/rendering/                           @godotengine/rendering
 /servers/text/                                @godotengine/gui-nodes
 /servers/xr/                                  @godotengine/xr

.github/actions/godot-deps/action.yml

@@ -10,7 +10,7 @@ inputs:
     default: x64
   scons-version:
     description: The SCons version to use.
-    default: 4.9.0
+    default: 4.10.0
 
 runs:
   using: composite

.github/workflows/android_builds.yml

@@ -26,14 +26,14 @@ jobs:
               arch=arm64
               production=yes
 
-          - name: Template arm32 (target=template_release, arch=arm32)
+          - name: Template arm32 (target=template_debug, arch=arm32)
             cache-name: android-template-arm32
-            target: template_release
+            target: template_debug
             scons-flags: arch=arm32
 
-          - name: Template arm64 (target=template_release, arch=arm64)
+          - name: Template arm64 (target=template_debug, arch=arm64)
             cache-name: android-template-arm64
-            target: template_release
+            target: template_debug
             scons-flags: arch=arm64
 
     steps:
@@ -82,7 +82,7 @@ jobs:
         continue-on-error: true
 
       - name: Generate Godot templates
-        if: matrix.target == 'template_release'
+        if: matrix.target == 'template_debug'
         run: |
           cd platform/android/java
           ./gradlew generateGodotTemplates

.github/workflows/linux_builds.yml

@@ -8,7 +8,7 @@ env:
     dev_mode=yes
     module_text_server_fb_enabled=yes
     "accesskit_sdk_path=${{ github.workspace }}/accesskit-c-0.17.0/"
-  GODOT_CPP_BRANCH: 4.4
+  GODOT_CPP_BRANCH: 4.5
   DOTNET_NOLOGO: true
   DOTNET_CLI_TELEMETRY_OPTOUT: true
   ASAN_OPTIONS: color=always:print_suppressions=1:suppressions=${{ github.workspace }}/misc/error_suppressions/asan.txt

.gitignore

@@ -217,7 +217,7 @@ xcuserdata/
 *.xcscmblueprint
 *.xccheckout
 *.xcodeproj/*
-!misc/misc/dist/ios_xcode/godot_ios.xcodeproj/project.pbxproj
+!misc/misc/dist/apple_embedded_xcode/godot.xcodeproj/project.pbxproj
 
 # Zed
 .zed/

.pre-commit-config.yaml

@@ -34,9 +34,9 @@ repos:
         stages: [manual] # Not automatically triggered, invoked via `pre-commit run --hook-stage manual clang-tidy`
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.12.0
+    rev: v0.13.1
     hooks:
-      - id: ruff
+      - id: ruff-check
         args: [--fix]
         files: (\.py|SConstruct|SCsub)$
         types_or: [text]

COPYRIGHT.txt

@@ -214,7 +214,7 @@ License: Apache-2.0
 
 Files: thirdparty/basis_universal/*
 Comment: Basis Universal
-Copyright: 2019-2024, Binomial LLC.
+Copyright: 2019-2025, Binomial LLC.
 License: Apache-2.0
 
 Files: thirdparty/brotli/*
@@ -555,7 +555,7 @@ License: Zlib
 Files: thirdparty/sdl/hidapi/*
 Comment: hidapi
 Copyright: 2010, Alan Ott, Signal 11 Software
-License: BSD-3-Clause
+License: BSD-3-clause
 
 Files: thirdparty/spirv-cross/*
 Comment: SPIRV-Cross

SConstruct

@@ -210,7 +210,7 @@ opts.Add(
     )
 )
 opts.Add(BoolVariable("tests", "Build the unit tests", False))
-opts.Add(BoolVariable("fast_unsafe", "Enable unsafe options for faster rebuilds", False))
+opts.Add(BoolVariable("fast_unsafe", "Enable unsafe options for faster incremental builds", False))
 opts.Add(BoolVariable("ninja", "Use the ninja backend for faster rebuilds", False))
 opts.Add(BoolVariable("ninja_auto_run", "Run ninja automatically after generating the ninja file", True))
 opts.Add("ninja_file", "Path to the generated ninja file", "build.ninja")
@@ -239,6 +239,7 @@ opts.Add(BoolVariable("disable_physics_3d", "Disable 3D physics nodes and server
 opts.Add(BoolVariable("disable_navigation_2d", "Disable 2D navigation features", False))
 opts.Add(BoolVariable("disable_navigation_3d", "Disable 3D navigation features", False))
 opts.Add(BoolVariable("disable_xr", "Disable XR nodes and server", False))
+opts.Add(BoolVariable("disable_overrides", "Disable project settings overrides and related CLI arguments", False))
 opts.Add("build_profile", "Path to a file containing a feature build profile", "")
 opts.Add("custom_modules", "A list of comma-separated directory paths containing custom modules to build.", "")
 opts.Add(BoolVariable("custom_modules_recursive", "Detect custom modules recursively for each specified path.", True))
@@ -264,6 +265,14 @@ opts.Add(
         True,
     )
 )
+opts.Add(
+    EnumVariable(
+        "library_type",
+        "Build library type",
+        "executable",
+        ("executable", "static_library", "shared_library"),
+    )
+)
 
 # Thirdparty libraries
 opts.Add(BoolVariable("builtin_brotli", "Use the built-in Brotli library", True))
@@ -469,16 +478,6 @@ for tool in custom_tools:
 # Add default include paths.
 env.Prepend(CPPPATH=["#"])
 
-# Allow marking includes as external/system to avoid raising warnings.
-env["_CCCOMCOM"] += " $_CPPEXTINCFLAGS"
-env["CPPEXTPATH"] = []
-if env.scons_version < (4, 2):
-    env["_CPPEXTINCFLAGS"] = "${_concat(EXTINCPREFIX, CPPEXTPATH, EXTINCSUFFIX, __env__, RDirs, TARGET, SOURCE)}"
-else:
-    env["_CPPEXTINCFLAGS"] = (
-        "${_concat(EXTINCPREFIX, CPPEXTPATH, EXTINCSUFFIX, __env__, RDirs, TARGET, SOURCE, affect_signature=False)}"
-    )
-
 # configure ENV for platform
 env.platform_exporters = platform_exporters
 env.platform_apis = platform_apis
@@ -530,10 +529,10 @@ env.Decider("MD5-timestamp")
 
 # SCons speed optimization controlled by the `fast_unsafe` option, which provide
 # more than 10 s speed up for incremental rebuilds.
-# Unsafe as they reduce the certainty of rebuilding all changed files, so it's
-# enabled by default for `debug` builds, and can be overridden from command line.
+# Unsafe as they reduce the certainty of rebuilding all changed files.
+# If you use it and run into corrupted incremental builds, try to turn it off.
 # Ref: https://github.com/SCons/scons/wiki/GoFastButton
-if methods.get_cmdline_bool("fast_unsafe", env.dev_build):
+if env["fast_unsafe"]:
     env.SetOption("implicit_cache", 1)
     env.SetOption("max_drift", 60)
 
@@ -556,6 +555,13 @@ if not env["deprecated"]:
 if env["precision"] == "double":
     env.Append(CPPDEFINES=["REAL_T_IS_DOUBLE"])
 
+# Library Support
+if env["library_type"] != "executable":
+    if "library" not in env.get("supported", []):
+        print_error(f"Library builds unsupported for {env['platform']}")
+        Exit(255)
+    env.Append(CPPDEFINES=["LIBGODOT_ENABLED"])
+
 # Default num_jobs to local cpu count if not user specified.
 # SCons has a peculiarity where user-specified options won't be overridden
 # by SetOption, so we can rely on this to know if we should use our default.
@@ -634,6 +640,7 @@ if env["strict_checks"]:
 
 # Run SCU file generation script if in a SCU build.
 if env["scu_build"]:
+    env.Append(CPPDEFINES=["SCU_BUILD_ENABLED"])
     max_includes_per_scu = 8
     if env.dev_build:
         max_includes_per_scu = 1024
@@ -965,19 +972,6 @@ else:  # GCC, Clang
     if env["werror"]:
         env.AppendUnique(CCFLAGS=["-Werror"])
 
-# Configure external includes.
-if env.msvc:
-    if not methods.using_clang(env):
-        if cc_version_major < 16 or (cc_version_major == 16 and cc_version_minor < 10):
-            env.AppendUnique(CCFLAGS=["/experimental:external"])
-        env.AppendUnique(CCFLAGS=["/external:anglebrackets"])
-    env.AppendUnique(CCFLAGS=["/external:W0"])
-    env["EXTINCPREFIX"] = "/external:I"
-    env["EXTINCSUFFIX"] = ""
-else:
-    env["EXTINCPREFIX"] = "-isystem "
-    env["EXTINCSUFFIX"] = ""
-
 if hasattr(detect, "get_program_suffix"):
     suffix = "." + detect.get_program_suffix()
 else:
@@ -1042,6 +1036,9 @@ if env["minizip"]:
 if env["brotli"]:
     env.Append(CPPDEFINES=["BROTLI_ENABLED"])
 
+if not env["disable_overrides"]:
+    env.Append(CPPDEFINES=["OVERRIDE_ENABLED"])
+
 if not env["verbose"]:
     methods.no_verbose(env)
 

core/SCsub

@@ -51,8 +51,8 @@ if env["brotli"] and env["builtin_brotli"]:
     ]
     thirdparty_brotli_sources = [thirdparty_brotli_dir + file for file in thirdparty_brotli_sources]
 
-    env_thirdparty.Prepend(CPPEXTPATH=[thirdparty_brotli_dir + "include"])
-    env.Prepend(CPPEXTPATH=[thirdparty_brotli_dir + "include"])
+    env_thirdparty.Prepend(CPPPATH=[thirdparty_brotli_dir + "include"])
+    env.Prepend(CPPPATH=[thirdparty_brotli_dir + "include"])
 
     if env.get("use_ubsan") or env.get("use_asan") or env.get("use_tsan") or env.get("use_lsan") or env.get("use_msan"):
         env_thirdparty.Append(CPPDEFINES=["BROTLI_BUILD_PORTABLE"])
@@ -69,8 +69,8 @@ if env["builtin_clipper2"]:
     ]
     thirdparty_clipper_sources = [thirdparty_clipper_dir + file for file in thirdparty_clipper_sources]
 
-    env_thirdparty.Prepend(CPPEXTPATH=[thirdparty_clipper_dir + "include"])
-    env.Prepend(CPPEXTPATH=[thirdparty_clipper_dir + "include"])
+    env_thirdparty.Prepend(CPPPATH=[thirdparty_clipper_dir + "include"])
+    env.Prepend(CPPPATH=[thirdparty_clipper_dir + "include"])
 
     env_thirdparty.Append(CPPDEFINES=["CLIPPER2_ENABLED"])
     env.Append(CPPDEFINES=["CLIPPER2_ENABLED"])
@@ -94,9 +94,9 @@ if env["builtin_zlib"]:
     ]
     thirdparty_zlib_sources = [thirdparty_zlib_dir + file for file in thirdparty_zlib_sources]
 
-    env_thirdparty.Prepend(CPPEXTPATH=[thirdparty_zlib_dir])
+    env_thirdparty.Prepend(CPPPATH=[thirdparty_zlib_dir])
     # Needs to be available in main env too
-    env.Prepend(CPPEXTPATH=[thirdparty_zlib_dir])
+    env.Prepend(CPPPATH=[thirdparty_zlib_dir])
     if env.dev_build:
         env_thirdparty.Append(CPPDEFINES=["ZLIB_DEBUG"])
         # Affects headers so it should also be defined for Godot code
@@ -151,9 +151,9 @@ if env["builtin_zstd"]:
         thirdparty_zstd_sources.append("decompress/huf_decompress_amd64.S")
     thirdparty_zstd_sources = [thirdparty_zstd_dir + file for file in thirdparty_zstd_sources]
 
-    env_thirdparty.Prepend(CPPEXTPATH=[thirdparty_zstd_dir, thirdparty_zstd_dir + "common"])
+    env_thirdparty.Prepend(CPPPATH=[thirdparty_zstd_dir, thirdparty_zstd_dir + "common"])
     env_thirdparty.Append(CPPDEFINES=["ZSTD_STATIC_LINKING_ONLY"])
-    env.Prepend(CPPEXTPATH=thirdparty_zstd_dir)
+    env.Prepend(CPPPATH=thirdparty_zstd_dir)
     # Also needed in main env includes will trigger warnings
     env.Append(CPPDEFINES=["ZSTD_STATIC_LINKING_ONLY"])
 

core/config/engine.cpp

@@ -38,24 +38,40 @@
 #include "core/version.h"
 #include "servers/rendering/rendering_device.h"
 
+void Engine::_update_time_scale() {
+	_time_scale = _user_time_scale * _game_time_scale;
+	user_ips = MAX(1, ips * _user_time_scale);
+	max_user_physics_steps_per_frame = MAX(max_physics_steps_per_frame, max_physics_steps_per_frame * _user_time_scale);
+}
+
 void Engine::set_physics_ticks_per_second(int p_ips) {
 	ERR_FAIL_COND_MSG(p_ips <= 0, "Engine iterations per second must be greater than 0.");
 	ips = p_ips;
+	_update_time_scale();
 }
 
 int Engine::get_physics_ticks_per_second() const {
 	return ips;
 }
 
+int Engine::get_user_physics_ticks_per_second() const {
+	return user_ips;
+}
+
 void Engine::set_max_physics_steps_per_frame(int p_max_physics_steps) {
 	ERR_FAIL_COND_MSG(p_max_physics_steps <= 0, "Maximum number of physics steps per frame must be greater than 0.");
 	max_physics_steps_per_frame = p_max_physics_steps;
+	_update_time_scale();
 }
 
 int Engine::get_max_physics_steps_per_frame() const {
 	return max_physics_steps_per_frame;
 }
 
+int Engine::get_user_max_physics_steps_per_frame() const {
+	return max_user_physics_steps_per_frame;
+}
+
 void Engine::set_physics_jitter_fix(double p_threshold) {
 	if (p_threshold < 0) {
 		p_threshold = 0;
@@ -112,11 +128,21 @@ uint32_t Engine::get_frame_delay() const {
 }
 
 void Engine::set_time_scale(double p_scale) {
-	_time_scale = p_scale;
+	_game_time_scale = p_scale;
+	_update_time_scale();
 }
 
 double Engine::get_time_scale() const {
-	return freeze_time_scale ? 0 : _time_scale;
+	return freeze_time_scale ? 0.0 : _game_time_scale;
+}
+
+void Engine::set_user_time_scale(double p_scale) {
+	_user_time_scale = p_scale;
+	_update_time_scale();
+}
+
+double Engine::get_effective_time_scale() const {
+	return freeze_time_scale ? 0.0 : _time_scale;
 }
 
 double Engine::get_unfrozen_time_scale() const {

core/config/engine.h

@@ -30,10 +30,13 @@
 
 #pragma once
 
-#include "core/os/main_loop.h"
-#include "core/string/ustring.h"
+#include "core/string/string_name.h"
+#include "core/templates/hash_map.h"
 #include "core/templates/list.h"
 
+class Object;
+class Dictionary;
+
 template <typename T>
 class TypedArray;
 
@@ -59,13 +62,17 @@ private:
 	double _process_step = 0;
 
 	int ips = 60;
+	int user_ips = 60;
 	double physics_jitter_fix = 0.5;
 	double _fps = 1;
 	int _max_fps = 0;
 	int _audio_output_latency = 0;
 	double _time_scale = 1.0;
+	double _game_time_scale = 1.0;
+	double _user_time_scale = 1.0;
 	uint64_t _physics_frames = 0;
 	int max_physics_steps_per_frame = 8;
+	int max_user_physics_steps_per_frame = 8;
 	double _physics_interpolation_fraction = 0.0f;
 	bool abort_on_gpu_errors = false;
 	bool use_validation_layers = false;
@@ -101,14 +108,19 @@ private:
 
 	bool freeze_time_scale = false;
 
+protected:
+	void _update_time_scale();
+
 public:
 	static Engine *get_singleton();
 
 	virtual void set_physics_ticks_per_second(int p_ips);
 	virtual int get_physics_ticks_per_second() const;
+	virtual int get_user_physics_ticks_per_second() const;
 
 	virtual void set_max_physics_steps_per_frame(int p_max_physics_steps);
 	virtual int get_max_physics_steps_per_frame() const;
+	virtual int get_user_max_physics_steps_per_frame() const;
 
 	void set_physics_jitter_fix(double p_threshold);
 	double get_physics_jitter_fix() const;
@@ -132,6 +144,8 @@ public:
 
 	void set_time_scale(double p_scale);
 	double get_time_scale() const;
+	void set_user_time_scale(double p_scale);
+	double get_effective_time_scale() const;
 	double get_unfrozen_time_scale() const;
 
 	void set_print_to_stdout(bool p_enabled);

core/config/project_settings.cpp

@@ -83,6 +83,11 @@ const PackedStringArray ProjectSettings::get_required_features() {
 // Returns the features supported by this build of Godot. Includes all required features.
 const PackedStringArray ProjectSettings::_get_supported_features() {
 	PackedStringArray features = get_required_features();
+
+#ifdef LIBGODOT_ENABLED
+	features.append("LibGodot");
+#endif
+
 #ifdef MODULE_MONO_ENABLED
 	features.append("C#");
 #endif
@@ -280,7 +285,7 @@ bool ProjectSettings::_set(const StringName &p_name, const Variant &p_value) {
 	if (p_value.get_type() == Variant::NIL) {
 		props.erase(p_name);
 		if (p_name.operator String().begins_with("autoload/")) {
-			String node_name = p_name.operator String().split("/")[1];
+			String node_name = p_name.operator String().get_slicec('/', 1);
 			if (autoloads.has(node_name)) {
 				remove_autoload(node_name);
 			}
@@ -326,7 +331,7 @@ bool ProjectSettings::_set(const StringName &p_name, const Variant &p_value) {
 			props[p_name] = VariantContainer(p_value, last_order++);
 		}
 		if (p_name.operator String().begins_with("autoload/")) {
-			String node_name = p_name.operator String().split("/")[1];
+			String node_name = p_name.operator String().get_slicec('/', 1);
 			AutoloadInfo autoload;
 			autoload.name = node_name;
 			String path = p_value;
@@ -643,11 +648,16 @@ Error ProjectSettings::_setup(const String &p_path, const String &p_main_pack, b
 		ERR_FAIL_COND_V_MSG(!ok, ERR_CANT_OPEN, vformat("Cannot open resource pack '%s'.", p_main_pack));
 
 		Error err = _load_settings_text_or_binary("res://project.godot", "res://project.binary");
+#ifdef OVERRIDE_ENABLED
 		if (err == OK && !p_ignore_override) {
 			// Load override from location of the main pack
 			// Optional, we don't mind if it fails
-			_load_settings_text(p_main_pack.get_base_dir().path_join("override.cfg"));
+			bool disable_override = GLOBAL_GET("application/config/disable_project_settings_override");
+			if (!disable_override) {
+				_load_settings_text(p_main_pack.get_base_dir().path_join("override.cfg"));
+			}
 		}
+#endif // OVERRIDE_ENABLED
 		return err;
 	}
 
@@ -693,12 +703,17 @@ Error ProjectSettings::_setup(const String &p_path, const String &p_main_pack, b
 		// If we opened our package, try and load our project.
 		if (found) {
 			Error err = _load_settings_text_or_binary("res://project.godot", "res://project.binary");
+#ifdef OVERRIDE_ENABLED
 			if (err == OK && !p_ignore_override) {
 				// Load overrides from the PCK and the executable location.
 				// Optional, we don't mind if either fails.
-				_load_settings_text("res://override.cfg");
-				_load_settings_text(exec_path.get_base_dir().path_join("override.cfg"));
+				bool disable_override = GLOBAL_GET("application/config/disable_project_settings_override");
+				if (!disable_override) {
+					_load_settings_text("res://override.cfg");
+					_load_settings_text(exec_path.get_base_dir().path_join("override.cfg"));
+				}
 			}
+#endif // OVERRIDE_ENABLED
 			return err;
 		}
 	}
@@ -713,10 +728,15 @@ Error ProjectSettings::_setup(const String &p_path, const String &p_main_pack, b
 
 	if (!OS::get_singleton()->get_resource_dir().is_empty()) {
 		Error err = _load_settings_text_or_binary("res://project.godot", "res://project.binary");
+#ifdef OVERRIDE_ENABLED
 		if (err == OK && !p_ignore_override) {
 			// Optional, we don't mind if it fails.
-			_load_settings_text("res://override.cfg");
+			bool disable_override = GLOBAL_GET("application/config/disable_project_settings_override");
+			if (!disable_override) {
+				_load_settings_text("res://override.cfg");
+			}
 		}
+#endif // OVERRIDE_ENABLED
 		return err;
 	}
 
@@ -736,11 +756,16 @@ Error ProjectSettings::_setup(const String &p_path, const String &p_main_pack, b
 		err = _load_settings_text_or_binary(resource_path.path_join("project.godot"), resource_path.path_join("project.binary"));
 		if (err == OK && !p_ignore_override) {
 			// Optional, we don't mind if it fails.
-			_load_settings_text(resource_path.path_join("override.cfg"));
+#ifdef OVERRIDE_ENABLED
+			bool disable_override = GLOBAL_GET("application/config/disable_project_settings_override");
+			if (!disable_override) {
+				_load_settings_text(resource_path.path_join("override.cfg"));
+			}
+#endif // OVERRIDE_ENABLED
 			return err;
 		}
 	}
-#endif
+#endif // MACOS_ENABLED
 
 	// Nothing was found, try to find a project file in provided path (`p_path`)
 	// or, if requested (`p_upwards`) in parent directories.
@@ -760,7 +785,12 @@ Error ProjectSettings::_setup(const String &p_path, const String &p_main_pack, b
 		err = _load_settings_text_or_binary(current_dir.path_join("project.godot"), current_dir.path_join("project.binary"));
 		if (err == OK && !p_ignore_override) {
 			// Optional, we don't mind if it fails.
-			_load_settings_text(current_dir.path_join("override.cfg"));
+#ifdef OVERRIDE_ENABLED
+			bool disable_override = GLOBAL_GET("application/config/disable_project_settings_override");
+			if (!disable_override) {
+				_load_settings_text(current_dir.path_join("override.cfg"));
+			}
+#endif // OVERRIDE_ENABLED
 			found = true;
 			break;
 		}
@@ -1569,6 +1599,7 @@ ProjectSettings::ProjectSettings() {
 	GLOBAL_DEF("application/config/use_custom_user_dir", false);
 	GLOBAL_DEF("application/config/custom_user_dir_name", "");
 	GLOBAL_DEF("application/config/project_settings_override", "");
+	GLOBAL_DEF("application/config/disable_project_settings_override", false);
 
 	GLOBAL_DEF("application/run/main_loop_type", "SceneTree");
 	GLOBAL_DEF("application/config/auto_accept_quit", true);
@@ -1675,6 +1706,7 @@ ProjectSettings::ProjectSettings() {
 #endif
 
 	GLOBAL_DEF_BASIC("gui/common/snap_controls_to_pixels", true);
+	GLOBAL_DEF("gui/common/always_show_focus_state", false);
 	GLOBAL_DEF_BASIC("gui/fonts/dynamic_fonts/use_oversampling", true);
 
 	GLOBAL_DEF_RST(PropertyInfo(Variant::INT, "rendering/rendering_device/vsync/frame_queue_size", PROPERTY_HINT_RANGE, "2,3,1"), 2);
@@ -1698,7 +1730,7 @@ ProjectSettings::ProjectSettings() {
 	// installed by the scripts provided in the repository
 	// (check `misc/scripts/install_d3d12_sdk_windows.py`).
 	// For example, if the script installs 1.613.3, the default value must be 613.
-	GLOBAL_DEF_RST(PropertyInfo(Variant::INT, "rendering/rendering_device/d3d12/agility_sdk_version", PROPERTY_HINT_RANGE, "0,10000,1,or_greater,hide_slider"), 613);
+	GLOBAL_DEF_RST(PropertyInfo(Variant::INT, "rendering/rendering_device/d3d12/agility_sdk_version", PROPERTY_HINT_RANGE, "0,10000,1,or_greater,hide_control"), 613);
 
 	GLOBAL_DEF_BASIC(PropertyInfo(Variant::INT, "rendering/textures/canvas_textures/default_texture_filter", PROPERTY_HINT_ENUM, "Nearest,Linear,Linear Mipmap,Nearest Mipmap"), 1);
 	GLOBAL_DEF_BASIC(PropertyInfo(Variant::INT, "rendering/textures/canvas_textures/default_texture_repeat", PROPERTY_HINT_ENUM, "Disable,Enable,Mirror"), 0);
@@ -1732,6 +1764,14 @@ ProjectSettings::ProjectSettings() {
 	GLOBAL_DEF("navigation/baking/thread_model/baking_use_multiple_threads", true);
 	GLOBAL_DEF("navigation/baking/thread_model/baking_use_high_priority_threads", true);
 #endif // !defined(NAVIGATION_2D_DISABLED) || !defined(NAVIGATION_3D_DISABLED)
+#ifndef NAVIGATION_2D_DISABLED
+	GLOBAL_DEF("navigation/2d/warnings/navmesh_edge_merge_errors", true);
+	GLOBAL_DEF("navigation/2d/warnings/navmesh_cell_size_mismatch", true);
+#endif // NAVIGATION_2D_DISABLED
+#ifndef NAVIGATION_3D_DISABLED
+	GLOBAL_DEF("navigation/3d/warnings/navmesh_edge_merge_errors", true);
+	GLOBAL_DEF("navigation/3d/warnings/navmesh_cell_size_mismatch", true);
+#endif // NAVIGATION_3D_DISABLED
 
 	ProjectSettings::get_singleton()->add_hidden_prefix("input/");
 }

core/config/project_settings.h

@@ -30,7 +30,8 @@
 
 #pragma once
 
-#include "core/object/class_db.h"
+#include "core/object/object.h"
+#include "core/templates/rb_map.h"
 
 template <typename T>
 class TypedArray;
@@ -49,7 +50,7 @@ class ProjectSettings : public Object {
 public:
 	typedef HashMap<String, Variant> CustomMap;
 	static inline const String PROJECT_DATA_DIR_NAME_SUFFIX = "godot";
-	static inline const String EDITOR_SETTING_OVERRIDE_PREFIX = "editor_overrides/";
+	static inline const String EDITOR_SETTING_OVERRIDE_PREFIX = PNAME("editor_overrides") + String("/");
 
 	// Properties that are not for built in values begin from this value, so builtin ones are displayed first.
 	constexpr static const int32_t NO_BUILTIN_ORDER_BASE = 1 << 16;

core/core_bind.cpp

@@ -35,10 +35,12 @@
 #include "core/crypto/crypto_core.h"
 #include "core/debugger/engine_debugger.h"
 #include "core/debugger/script_debugger.h"
+#include "core/io/file_access.h"
 #include "core/io/marshalls.h"
 #include "core/math/geometry_2d.h"
 #include "core/math/geometry_3d.h"
 #include "core/os/keyboard.h"
+#include "core/os/main_loop.h"
 #include "core/os/thread_safe.h"
 #include "core/variant/typed_array.h"
 
@@ -1526,6 +1528,10 @@ void Thread::set_thread_safety_checks_enabled(bool p_enabled) {
 	set_current_thread_safe_for_nodes(!p_enabled);
 }
 
+bool Thread::is_main_thread() {
+	return ::Thread::is_main_thread();
+}
+
 void Thread::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("start", "callable", "priority"), &Thread::start, DEFVAL(PRIORITY_NORMAL));
 	ClassDB::bind_method(D_METHOD("get_id"), &Thread::get_id);
@@ -1534,6 +1540,7 @@ void Thread::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("wait_to_finish"), &Thread::wait_to_finish);
 
 	ClassDB::bind_static_method("Thread", D_METHOD("set_thread_safety_checks_enabled", "enabled"), &Thread::set_thread_safety_checks_enabled);
+	ClassDB::bind_static_method("Thread", D_METHOD("is_main_thread"), &Thread::is_main_thread);
 
 	BIND_ENUM_CONSTANT(PRIORITY_LOW);
 	BIND_ENUM_CONSTANT(PRIORITY_NORMAL);
@@ -1545,14 +1552,16 @@ namespace Special {
 ////// ClassDB //////
 
 PackedStringArray ClassDB::get_class_list() const {
-	List<StringName> classes;
-	::ClassDB::get_class_list(&classes);
+	LocalVector<StringName> classes;
+	::ClassDB::get_class_list(classes);
 
 	PackedStringArray ret;
 	ret.resize(classes.size());
+	String *ptrw = ret.ptrw();
 	int idx = 0;
-	for (const StringName &E : classes) {
-		ret.set(idx++, E);
+	for (const StringName &cls : classes) {
+		ptrw[idx] = cls;
+		idx++;
 	}
 
 	return ret;
@@ -1806,8 +1815,12 @@ void ClassDB::get_argument_options(const StringName &p_function, int p_idx, List
 				pf == "is_class_enabled" || pf == "is_class_enum_bitfield" || pf == "class_get_api_type");
 	}
 	if (first_argument_is_class || pf == "is_parent_class") {
-		for (const String &E : get_class_list()) {
-			r_options->push_back(E.quote());
+		LocalVector<StringName> classes;
+		::ClassDB::get_class_list(classes);
+		for (const StringName &E : classes) {
+			if (::ClassDB::is_class_exposed(E)) {
+				r_options->push_back(E.operator String().quote());
+			}
 		}
 	}
 

core/core_bind.h

@@ -495,6 +495,7 @@ public:
 	Variant wait_to_finish();
 
 	static void set_thread_safety_checks_enabled(bool p_enabled);
+	static bool is_main_thread();
 };
 
 namespace Special {

core/core_builders.py

@@ -11,7 +11,7 @@ def disabled_class_builder(target, source, env):
     with methods.generated_wrapper(str(target[0])) as file:
         for c in source[0].read():
             if cs := c.strip():
-                file.write(f"#define ClassDB_Disable_{cs} 1\n")
+                file.write(f"class {cs}; template <> struct is_class_enabled<{cs}> : std::false_type {{}};\n")
 
 
 # Generate version info

core/core_constants.cpp

@@ -75,7 +75,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CONSTANT(m_constant)                                                          \
 	{                                                                                                \
-		StringName enum_name = __constant_get_enum_name(m_constant, #m_constant);                    \
+		StringName enum_name = __constant_get_enum_name(m_constant);                                 \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_constant, m_constant));              \
 		_global_constants_map[#m_constant] = _global_constants.size() - 1;                           \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -83,7 +83,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_BITFIELD_FLAG(m_constant)                                                          \
 	{                                                                                                \
-		StringName enum_name = __constant_get_bitfield_name(m_constant, #m_constant);                \
+		StringName enum_name = __constant_get_bitfield_name(m_constant);                             \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_constant, m_constant, false, true)); \
 		_global_constants_map[#m_constant] = _global_constants.size() - 1;                           \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -92,7 +92,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 // This just binds enum classes as if they were regular enum constants.
 #define BIND_CORE_ENUM_CLASS_CONSTANT(m_enum, m_prefix, m_member)                                                  \
 	{                                                                                                              \
-		StringName enum_name = __constant_get_enum_name(m_enum::m_member, #m_prefix "_" #m_member);                \
+		StringName enum_name = __constant_get_enum_name(m_enum::m_member);                                         \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_prefix "_" #m_member, (int64_t)m_enum::m_member)); \
 		_global_constants_map[#m_prefix "_" #m_member] = _global_constants.size() - 1;                             \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]);               \
@@ -100,7 +100,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_BITFIELD_CLASS_FLAG(m_enum, m_prefix, m_member)                                                               \
 	{                                                                                                                           \
-		StringName enum_name = __constant_get_bitfield_name(m_enum::m_member, #m_prefix "_" #m_member);                         \
+		StringName enum_name = __constant_get_bitfield_name(m_enum::m_member);                                                  \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_prefix "_" #m_member, (int64_t)m_enum::m_member, false, true)); \
 		_global_constants_map[#m_prefix "_" #m_member] = _global_constants.size() - 1;                                          \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]);                            \
@@ -108,7 +108,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CLASS_CONSTANT_CUSTOM(m_enum, m_name, m_member)                               \
 	{                                                                                                \
-		StringName enum_name = __constant_get_enum_name(m_enum::m_member, #m_name);                  \
+		StringName enum_name = __constant_get_enum_name(m_enum::m_member);                           \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_name, (int64_t)m_enum::m_member));   \
 		_global_constants_map[#m_name] = _global_constants.size() - 1;                               \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -116,7 +116,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_BITFIELD_CLASS_FLAG_CUSTOM(m_enum, m_name, m_member)                                          \
 	{                                                                                                           \
-		StringName enum_name = __constant_get_bitfield_name(m_enum::m_member, #m_name);                         \
+		StringName enum_name = __constant_get_bitfield_name(m_enum::m_member);                                  \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_name, (int64_t)m_enum::m_member, false, true)); \
 		_global_constants_map[#m_name] = _global_constants.size() - 1;                                          \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]);            \
@@ -124,7 +124,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CLASS_CONSTANT_NO_VAL(m_enum, m_prefix, m_member)                                                 \
 	{                                                                                                                    \
-		StringName enum_name = __constant_get_enum_name(m_enum::m_member, #m_prefix "_" #m_member);                      \
+		StringName enum_name = __constant_get_enum_name(m_enum::m_member);                                               \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_prefix "_" #m_member, (int64_t)m_enum::m_member, true)); \
 		_global_constants_map[#m_prefix "_" #m_member] = _global_constants.size() - 1;                                   \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]);                     \
@@ -132,7 +132,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CONSTANT_CUSTOM(m_custom_name, m_constant)                                    \
 	{                                                                                                \
-		StringName enum_name = __constant_get_enum_name(m_constant, #m_constant);                    \
+		StringName enum_name = __constant_get_enum_name(m_constant);                                 \
 		_global_constants.push_back(_CoreConstant(enum_name, m_custom_name, m_constant));            \
 		_global_constants_map[m_custom_name] = _global_constants.size() - 1;                         \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -144,7 +144,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CONSTANT_NO_VAL(m_constant)                                                   \
 	{                                                                                                \
-		StringName enum_name = __constant_get_enum_name(m_constant, #m_constant);                    \
+		StringName enum_name = __constant_get_enum_name(m_constant);                                 \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_constant, m_constant, true));        \
 		_global_constants_map[#m_constant] = _global_constants.size() - 1;                           \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -152,7 +152,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CONSTANT_CUSTOM_NO_VAL(m_custom_name, m_constant)                             \
 	{                                                                                                \
-		StringName enum_name = __constant_get_enum_name(m_constant, #m_constant);                    \
+		StringName enum_name = __constant_get_enum_name(m_constant);                                 \
 		_global_constants.push_back(_CoreConstant(enum_name, m_custom_name, m_constant, true));      \
 		_global_constants_map[m_custom_name] = _global_constants.size() - 1;                         \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -166,7 +166,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CONSTANT(m_constant)                                                          \
 	{                                                                                                \
-		StringName enum_name = __constant_get_enum_name(m_constant, #m_constant);                    \
+		StringName enum_name = __constant_get_enum_name(m_constant);                                 \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_constant, m_constant));              \
 		_global_constants_map[#m_constant] = _global_constants.size() - 1;                           \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -174,7 +174,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_BITFIELD_FLAG(m_constant)                                                          \
 	{                                                                                                \
-		StringName enum_name = __constant_get_bitfield_name(m_constant, #m_constant);                \
+		StringName enum_name = __constant_get_bitfield_name(m_constant);                             \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_constant, m_constant));              \
 		_global_constants_map[#m_constant] = _global_constants.size() - 1;                           \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -183,7 +183,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 // This just binds enum classes as if they were regular enum constants.
 #define BIND_CORE_ENUM_CLASS_CONSTANT(m_enum, m_prefix, m_member)                                                  \
 	{                                                                                                              \
-		StringName enum_name = __constant_get_enum_name(m_enum::m_member, #m_prefix "_" #m_member);                \
+		StringName enum_name = __constant_get_enum_name(m_enum::m_member);                                         \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_prefix "_" #m_member, (int64_t)m_enum::m_member)); \
 		_global_constants_map[#m_prefix "_" #m_member] = _global_constants.size() - 1;                             \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]);               \
@@ -191,7 +191,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_BITFIELD_CLASS_FLAG(m_enum, m_prefix, m_member)                                                  \
 	{                                                                                                              \
-		StringName enum_name = __constant_get_bitfield_name(m_enum::m_member, #m_prefix "_" #m_member);            \
+		StringName enum_name = __constant_get_bitfield_name(m_enum::m_member);                                     \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_prefix "_" #m_member, (int64_t)m_enum::m_member)); \
 		_global_constants_map[#m_prefix "_" #m_member] = _global_constants.size() - 1;                             \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]);               \
@@ -199,7 +199,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CLASS_CONSTANT_CUSTOM(m_enum, m_name, m_member)                               \
 	{                                                                                                \
-		StringName enum_name = __constant_get_enum_name(m_enum::m_member, #m_name);                  \
+		StringName enum_name = __constant_get_enum_name(m_enum::m_member);                           \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_name, (int64_t)m_enum::m_member));   \
 		_global_constants_map[#m_name] = _global_constants.size() - 1;                               \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -207,7 +207,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_BITFIELD_CLASS_FLAG_CUSTOM(m_enum, m_name, m_member)                               \
 	{                                                                                                \
-		StringName enum_name = __constant_get_bitfield_name(m_enum::m_member, #m_name);              \
+		StringName enum_name = __constant_get_bitfield_name(m_enum::m_member);                       \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_name, (int64_t)m_enum::m_member));   \
 		_global_constants_map[#m_name] = _global_constants.size() - 1;                               \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -215,7 +215,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CLASS_CONSTANT_NO_VAL(m_enum, m_prefix, m_member)                                           \
 	{                                                                                                              \
-		StringName enum_name = __constant_get_enum_name(m_enum::m_member, #m_prefix "_" #m_member);                \
+		StringName enum_name = __constant_get_enum_name(m_enum::m_member);                                         \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_prefix "_" #m_member, (int64_t)m_enum::m_member)); \
 		_global_constants_map[#m_prefix "_" #m_member] = _global_constants.size() - 1;                             \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]);               \
@@ -223,7 +223,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CONSTANT_CUSTOM(m_custom_name, m_constant)                                    \
 	{                                                                                                \
-		StringName enum_name = __constant_get_enum_name(m_constant, #m_constant);                    \
+		StringName enum_name = __constant_get_enum_name(m_constant);                                 \
 		_global_constants.push_back(_CoreConstant(enum_name, m_custom_name, m_constant));            \
 		_global_constants_map[m_custom_name] = _global_constants.size() - 1;                         \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -235,7 +235,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CONSTANT_NO_VAL(m_constant)                                                   \
 	{                                                                                                \
-		StringName enum_name = __constant_get_enum_name(m_constant, #m_constant);                    \
+		StringName enum_name = __constant_get_enum_name(m_constant);                                 \
 		_global_constants.push_back(_CoreConstant(enum_name, #m_constant, m_constant));              \
 		_global_constants_map[#m_constant] = _global_constants.size() - 1;                           \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \
@@ -243,7 +243,7 @@ static HashMap<StringName, Vector<_CoreConstant>> _global_enums;
 
 #define BIND_CORE_ENUM_CONSTANT_CUSTOM_NO_VAL(m_custom_name, m_constant)                             \
 	{                                                                                                \
-		StringName enum_name = __constant_get_enum_name(m_constant, #m_constant);                    \
+		StringName enum_name = __constant_get_enum_name(m_constant);                                 \
 		_global_constants.push_back(_CoreConstant(enum_name, m_custom_name, m_constant));            \
 		_global_constants_map[m_custom_name] = _global_constants.size() - 1;                         \
 		_global_enums[enum_name].push_back((_global_constants.ptr())[_global_constants.size() - 1]); \

core/crypto/SCsub

@@ -13,7 +13,7 @@ if is_builtin or not has_module:
     # Use our headers for builtin or if the module is not going to be compiled.
     # We decided not to depend on system mbedtls just for these few files that can
     # be easily extracted.
-    env_crypto.Prepend(CPPEXTPATH=["#thirdparty/mbedtls/include"])
+    env_crypto.Prepend(CPPPATH=["#thirdparty/mbedtls/include"])
 
 # MbedTLS core functions (for CryptoCore).
 # If the mbedtls module is compiled we don't need to add the .c files with our

core/crypto/crypto.h

@@ -149,6 +149,8 @@ public:
 };
 
 class ResourceFormatLoaderCrypto : public ResourceFormatLoader {
+	GDSOFTCLASS(ResourceFormatLoaderCrypto, ResourceFormatLoader);
+
 public:
 	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
 	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
@@ -161,6 +163,8 @@ public:
 };
 
 class ResourceFormatSaverCrypto : public ResourceFormatSaver {
+	GDSOFTCLASS(ResourceFormatSaverCrypto, ResourceFormatSaver);
+
 public:
 	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
 	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;

core/debugger/engine_debugger.cpp

@@ -121,7 +121,10 @@ void EngineDebugger::iteration(uint64_t p_frame_ticks, uint64_t p_process_ticks,
 }
 
 void EngineDebugger::initialize(const String &p_uri, bool p_skip_breakpoints, bool p_ignore_error_breaks, const Vector<String> &p_breakpoints, void (*p_allow_focus_steal_fn)()) {
-	register_uri_handler("tcp://", RemoteDebuggerPeerTCP::create); // TCP is the default protocol. Platforms/modules can add more.
+	register_uri_handler("tcp://", RemoteDebuggerPeerTCP::create_tcp); // TCP is the default protocol. Platforms/modules can add more.
+#ifdef UNIX_ENABLED
+	register_uri_handler("unix://", RemoteDebuggerPeerTCP::create_unix);
+#endif
 	if (p_uri.is_empty()) {
 		return;
 	}
@@ -132,10 +135,10 @@ void EngineDebugger::initialize(const String &p_uri, bool p_skip_breakpoints, bo
 		OS::get_singleton()->initialize_debugging();
 	} else if (p_uri.contains("://")) {
 		const String proto = p_uri.substr(0, p_uri.find("://") + 3);
-		if (!protocols.has(proto)) {
-			return;
-		}
-		RemoteDebuggerPeer *peer = protocols[proto](p_uri);
+		CreatePeerFunc *create_fn = protocols.getptr(proto);
+		ERR_FAIL_NULL_MSG(create_fn, vformat("Invalid protocol: %s.", proto));
+
+		RemoteDebuggerPeer *peer = (*create_fn)(p_uri);
 		if (!peer) {
 			return;
 		}

core/debugger/local_debugger.cpp

@@ -31,6 +31,7 @@
 #include "local_debugger.h"
 
 #include "core/debugger/script_debugger.h"
+#include "core/os/main_loop.h"
 #include "core/os/os.h"
 
 struct LocalDebugger::ScriptsProfiler {

core/debugger/remote_debugger.cpp

@@ -40,7 +40,7 @@
 #include "core/math/expression.h"
 #include "core/object/script_language.h"
 #include "core/os/os.h"
-#include "servers/display_server.h"
+#include "servers/display/display_server.h"
 
 class RemoteDebugger::PerformanceProfiler : public EngineProfiler {
 	Object *performance = nullptr;
@@ -48,9 +48,9 @@ class RemoteDebugger::PerformanceProfiler : public EngineProfiler {
 	uint64_t last_monitor_modification_time = 0;
 
 public:
-	void toggle(bool p_enable, const Array &p_opts) {}
-	void add(const Array &p_data) {}
-	void tick(double p_frame_time, double p_process_time, double p_physics_time, double p_physics_frame_time) {
+	void toggle(bool p_enable, const Array &p_opts) override {}
+	void add(const Array &p_data) override {}
+	void tick(double p_frame_time, double p_process_time, double p_physics_time, double p_physics_frame_time) override {
 		if (!performance) {
 			return;
 		}
@@ -566,25 +566,25 @@ void RemoteDebugger::debug(bool p_can_continue, bool p_is_error_breakpoint) {
 					input_vals.append(V);
 				}
 
-				List<StringName> native_types;
-				ClassDB::get_class_list(&native_types);
-				for (const StringName &E : native_types) {
-					if (!ClassDB::is_class_exposed(E) || !Engine::get_singleton()->has_singleton(E) || Engine::get_singleton()->is_singleton_editor_only(E)) {
+				LocalVector<StringName> native_types;
+				ClassDB::get_class_list(native_types);
+				for (const StringName &class_name : native_types) {
+					if (!ClassDB::is_class_exposed(class_name) || !Engine::get_singleton()->has_singleton(class_name) || Engine::get_singleton()->is_singleton_editor_only(class_name)) {
 						continue;
 					}
 
-					input_names.append(E);
-					input_vals.append(Engine::get_singleton()->get_singleton_object(E));
+					input_names.append(class_name);
+					input_vals.append(Engine::get_singleton()->get_singleton_object(class_name));
 				}
 
-				List<StringName> user_types;
-				ScriptServer::get_global_class_list(&user_types);
-				for (const StringName &S : user_types) {
-					String scr_path = ScriptServer::get_global_class_path(S);
+				LocalVector<StringName> user_types;
+				ScriptServer::get_global_class_list(user_types);
+				for (const StringName &class_name : user_types) {
+					String scr_path = ScriptServer::get_global_class_path(class_name);
 					Ref<Script> scr = ResourceLoader::load(scr_path, "Script");
-					ERR_CONTINUE_MSG(scr.is_null(), vformat(R"(Could not load the global class %s from resource path: "%s".)", S, scr_path));
+					ERR_CONTINUE_MSG(scr.is_null(), vformat(R"(Could not load the global class %s from resource path: "%s".)", class_name, scr_path));
 
-					input_names.append(S);
+					input_names.append(class_name);
 					input_vals.append(scr);
 				}
 

core/debugger/remote_debugger_peer.cpp

@@ -76,18 +76,19 @@ void RemoteDebuggerPeerTCP::close() {
 	in_buf.clear();
 }
 
-RemoteDebuggerPeerTCP::RemoteDebuggerPeerTCP(Ref<StreamPeerTCP> p_tcp) {
+RemoteDebuggerPeerTCP::RemoteDebuggerPeerTCP() {
 	// This means remote debugger takes 16 MiB just because it exists...
 	in_buf.resize((8 << 20) + 4); // 8 MiB should be way more than enough (need 4 extra bytes for encoding packet size).
 	out_buf.resize(8 << 20); // 8 MiB should be way more than enough
-	tcp_client = p_tcp;
-	if (tcp_client.is_valid()) { // Attaching to an already connected stream.
-		connected = true;
-		running = true;
-		thread.start(_thread_func, this);
-	} else {
-		tcp_client.instantiate();
-	}
+}
+
+RemoteDebuggerPeerTCP::RemoteDebuggerPeerTCP(Ref<StreamPeerSocket> p_stream) :
+		RemoteDebuggerPeerTCP() {
+	DEV_ASSERT(p_stream.is_valid());
+	tcp_client = p_stream;
+	connected = true;
+	running = true;
+	thread.start(_thread_func, this);
 }
 
 RemoteDebuggerPeerTCP::~RemoteDebuggerPeerTCP() {
@@ -154,22 +155,10 @@ void RemoteDebuggerPeerTCP::_read_in() {
 	}
 }
 
-Error RemoteDebuggerPeerTCP::connect_to_host(const String &p_host, uint16_t p_port) {
-	IPAddress ip;
-	if (p_host.is_valid_ip_address()) {
-		ip = p_host;
-	} else {
-		ip = IP::get_singleton()->resolve_hostname(p_host);
-	}
-
-	int port = p_port;
-
+Error RemoteDebuggerPeerTCP::_try_connect(Ref<StreamPeerSocket> tcp_client) {
 	const int tries = 6;
 	const int waits[tries] = { 1, 10, 100, 1000, 1000, 1000 };
 
-	Error err = tcp_client->connect_to_host(ip, port);
-	ERR_FAIL_COND_V_MSG(err != OK, err, vformat("Remote Debugger: Unable to connect to host '%s:%d'.", p_host, port));
-
 	for (int i = 0; i < tries; i++) {
 		tcp_client->poll();
 		if (tcp_client->get_status() == StreamPeerTCP::STATUS_CONNECTED) {
@@ -186,9 +175,6 @@ Error RemoteDebuggerPeerTCP::connect_to_host(const String &p_host, uint16_t p_po
 		ERR_PRINT(vformat("Remote Debugger: Unable to connect. Status: %s.", String::num_int64(tcp_client->get_status())));
 		return FAILED;
 	}
-	connected = true;
-	running = true;
-	thread.start(_thread_func, this);
 	return OK;
 }
 
@@ -222,7 +208,7 @@ void RemoteDebuggerPeerTCP::_poll() {
 	}
 }
 
-RemoteDebuggerPeer *RemoteDebuggerPeerTCP::create(const String &p_uri) {
+RemoteDebuggerPeer *RemoteDebuggerPeerTCP::create_tcp(const String &p_uri) {
 	ERR_FAIL_COND_V(!p_uri.begins_with("tcp://"), nullptr);
 
 	String debug_host = p_uri.replace("tcp://", "");
@@ -234,13 +220,30 @@ RemoteDebuggerPeer *RemoteDebuggerPeerTCP::create(const String &p_uri) {
 		debug_host = debug_host.substr(0, sep_pos);
 	}
 
-	RemoteDebuggerPeerTCP *peer = memnew(RemoteDebuggerPeerTCP);
-	Error err = peer->connect_to_host(debug_host, debug_port);
-	if (err != OK) {
-		memdelete(peer);
-		return nullptr;
+	IPAddress ip;
+	if (debug_host.is_valid_ip_address()) {
+		ip = debug_host;
+	} else {
+		ip = IP::get_singleton()->resolve_hostname(debug_host);
 	}
-	return peer;
+
+	Ref<StreamPeerTCP> stream;
+	stream.instantiate();
+	ERR_FAIL_COND_V_MSG(stream->connect_to_host(ip, debug_port) != OK, nullptr, vformat("Remote Debugger: Unable to connect to host '%s:%d'.", debug_host, debug_port));
+	ERR_FAIL_COND_V(_try_connect(stream), nullptr);
+	return memnew(RemoteDebuggerPeerTCP(stream));
+}
+
+RemoteDebuggerPeer *RemoteDebuggerPeerTCP::create_unix(const String &p_uri) {
+	ERR_FAIL_COND_V(!p_uri.begins_with("unix://"), nullptr);
+
+	String debug_path = p_uri.replace("unix://", "");
+	Ref<StreamPeerUDS> stream;
+	stream.instantiate();
+	Error err = stream->connect_to_host(debug_path);
+	ERR_FAIL_COND_V_MSG(err != OK && err != ERR_BUSY, nullptr, vformat("Remote Debugger: Unable to connect to socket path '%s'.", debug_path));
+	ERR_FAIL_COND_V(_try_connect(stream), nullptr);
+	return memnew(RemoteDebuggerPeerTCP(stream));
 }
 
 RemoteDebuggerPeer::RemoteDebuggerPeer() {

core/debugger/remote_debugger_peer.h

@@ -31,12 +31,15 @@
 #pragma once
 
 #include "core/io/stream_peer_tcp.h"
+#include "core/io/stream_peer_uds.h"
 #include "core/object/ref_counted.h"
 #include "core/os/mutex.h"
 #include "core/os/thread.h"
 #include "core/string/ustring.h"
 
 class RemoteDebuggerPeer : public RefCounted {
+	GDSOFTCLASS(RemoteDebuggerPeer, RefCounted);
+
 protected:
 	int max_queued_messages = 4096;
 
@@ -54,8 +57,10 @@ public:
 };
 
 class RemoteDebuggerPeerTCP : public RemoteDebuggerPeer {
+	GDSOFTCLASS(RemoteDebuggerPeerTCP, RemoteDebuggerPeer);
+
 private:
-	Ref<StreamPeerTCP> tcp_client;
+	Ref<StreamPeerSocket> tcp_client;
 	Mutex mutex;
 	Thread thread;
 	List<Array> in_queue;
@@ -74,11 +79,11 @@ private:
 	void _poll();
 	void _write_out();
 	void _read_in();
+	static Error _try_connect(Ref<StreamPeerSocket> p_stream);
 
 public:
-	static RemoteDebuggerPeer *create(const String &p_uri);
-
-	Error connect_to_host(const String &p_host, uint16_t p_port);
+	static RemoteDebuggerPeer *create_tcp(const String &p_uri);
+	static RemoteDebuggerPeer *create_unix(const String &p_uri);
 
 	bool is_peer_connected() override;
 	int get_max_message_size() const override;
@@ -88,6 +93,7 @@ public:
 	void poll() override;
 	void close() override;
 
-	RemoteDebuggerPeerTCP(Ref<StreamPeerTCP> p_stream = Ref<StreamPeerTCP>());
+	RemoteDebuggerPeerTCP(Ref<StreamPeerSocket> p_stream);
+	RemoteDebuggerPeerTCP();
 	~RemoteDebuggerPeerTCP();
 };

core/error/error_list.cpp

@@ -30,7 +30,7 @@
 
 #include "error_list.h"
 
-#include <iterator>
+#include "core/typedefs.h"
 
 const char *error_names[] = {
 	"OK", // OK
@@ -84,4 +84,4 @@ const char *error_names[] = {
 	"Printer on fire", // ERR_PRINTER_ON_FIRE
 };
 
-static_assert(std::size(error_names) == ERR_MAX);
+static_assert(std_size(error_names) == ERR_MAX);

core/extension/extension_api_dump.cpp

@@ -96,7 +96,7 @@ static String fix_doc_description(const String &p_bbcode) {
 	// Based on what EditorHelp does.
 
 	return p_bbcode.dedent()
-			.remove_chars("\t\r")
+			.remove_chars("\r")
 			.strip_edges();
 }
 
@@ -900,11 +900,9 @@ Dictionary GDExtensionAPIDump::generate_extension_api(bool p_include_docs) {
 		// classes
 		Array classes;
 
-		List<StringName> class_list;
+		LocalVector<StringName> class_list;
 
-		ClassDB::get_class_list(&class_list);
-
-		class_list.sort_custom<StringName::AlphCompare>();
+		ClassDB::get_class_list(class_list);
 
 		for (const StringName &class_name : class_list) {
 			if (!ClassDB::is_class_exposed(class_name)) {

core/extension/gdextension.cpp

@@ -267,6 +267,7 @@ void GDExtension::_register_extension_class(GDExtensionClassLibraryPtr p_library
 	};
 
 	const ClassCreationDeprecatedInfo legacy = {
+		false,
 		p_extension_funcs->notification_func, // GDExtensionClassNotification notification_func;
 		p_extension_funcs->free_property_list_func, // GDExtensionClassFreePropertyList free_property_list_func;
 		p_extension_funcs->create_instance_func, // GDExtensionClassCreateInstance create_instance_func;
@@ -281,7 +282,7 @@ void GDExtension::_register_extension_class2(GDExtensionClassLibraryPtr p_librar
 	const GDExtensionClassCreationInfo5 class_info5 = {
 		p_extension_funcs->is_virtual, // GDExtensionBool is_virtual;
 		p_extension_funcs->is_abstract, // GDExtensionBool is_abstract;
-		true, // GDExtensionBool is_exposed;
+		p_extension_funcs->is_exposed, // GDExtensionBool is_exposed;
 		false, // GDExtensionBool is_runtime;
 		nullptr, // GDExtensionConstStringPtr icon_path;
 		p_extension_funcs->set_func, // GDExtensionClassSet set_func;
@@ -305,6 +306,7 @@ void GDExtension::_register_extension_class2(GDExtensionClassLibraryPtr p_librar
 	};
 
 	const ClassCreationDeprecatedInfo legacy = {
+		!p_extension_funcs->is_exposed, // bool legacy_unexposed_class;
 		nullptr, // GDExtensionClassNotification notification_func;
 		p_extension_funcs->free_property_list_func, // GDExtensionClassFreePropertyList free_property_list_func;
 		p_extension_funcs->create_instance_func, // GDExtensionClassCreateInstance create_instance_func;
@@ -319,7 +321,7 @@ void GDExtension::_register_extension_class3(GDExtensionClassLibraryPtr p_librar
 	const GDExtensionClassCreationInfo5 class_info5 = {
 		p_extension_funcs->is_virtual, // GDExtensionBool is_virtual;
 		p_extension_funcs->is_abstract, // GDExtensionBool is_abstract;
-		true, // GDExtensionBool is_exposed;
+		p_extension_funcs->is_exposed, // GDExtensionBool is_exposed;
 		p_extension_funcs->is_runtime, // GDExtensionBool is_runtime;
 		nullptr, // GDExtensionConstStringPtr icon_path;
 		p_extension_funcs->set_func, // GDExtensionClassSet set_func;
@@ -343,6 +345,7 @@ void GDExtension::_register_extension_class3(GDExtensionClassLibraryPtr p_librar
 	};
 
 	const ClassCreationDeprecatedInfo legacy = {
+		!p_extension_funcs->is_exposed, // bool legacy_unexposed_class;
 		nullptr, // GDExtensionClassNotification notification_func;
 		nullptr, // GDExtensionClassFreePropertyList free_property_list_func;
 		p_extension_funcs->create_instance_func, // GDExtensionClassCreateInstance2 create_instance_func;
@@ -355,9 +358,16 @@ void GDExtension::_register_extension_class3(GDExtensionClassLibraryPtr p_librar
 
 void GDExtension::_register_extension_class4(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo4 *p_extension_funcs) {
 	GDExtensionClassCreationInfo5 class_info5 = *p_extension_funcs;
-	// Force classes to be exposed, because the behavior of unexposed classes changed in an incompatible (albeit, minor) way.
-	class_info5.is_exposed = true;
-	_register_extension_class_internal(p_library, p_class_name, p_parent_class_name, &class_info5);
+	const ClassCreationDeprecatedInfo legacy = {
+		!p_extension_funcs->is_exposed, // bool legacy_unexposed_class;
+		nullptr, // GDExtensionClassNotification notification_func;
+		nullptr, // GDExtensionClassFreePropertyList free_property_list_func;
+		nullptr, // GDExtensionClassCreateInstance2 create_instance_func;
+		nullptr, // GDExtensionClassGetRID get_rid;
+		nullptr, // GDExtensionClassGetVirtual get_virtual_func;
+		nullptr, // GDExtensionClassGetVirtual get_virtual_func;
+	};
+	_register_extension_class_internal(p_library, p_class_name, p_parent_class_name, &class_info5, &legacy);
 }
 #endif // DISABLE_DEPRECATED
 
@@ -447,6 +457,7 @@ void GDExtension::_register_extension_class_internal(GDExtensionClassLibraryPtr
 	extension->gdextension.validate_property = p_extension_funcs->validate_property_func;
 #ifndef DISABLE_DEPRECATED
 	if (p_deprecated_funcs) {
+		extension->gdextension.legacy_unexposed_class = p_deprecated_funcs->legacy_unexposed_class;
 		extension->gdextension.notification = p_deprecated_funcs->notification_func;
 		extension->gdextension.free_property_list = p_deprecated_funcs->free_property_list_func;
 		extension->gdextension.create_instance = p_deprecated_funcs->create_instance_func;

core/extension/gdextension.h

@@ -67,6 +67,7 @@ class GDExtension : public Resource {
 
 	struct ClassCreationDeprecatedInfo {
 #ifndef DISABLE_DEPRECATED
+		bool legacy_unexposed_class = false;
 		GDExtensionClassNotification notification_func = nullptr;
 		GDExtensionClassFreePropertyList free_property_list_func = nullptr;
 		GDExtensionClassCreateInstance create_instance_func = nullptr;
@@ -183,6 +184,8 @@ public:
 VARIANT_ENUM_CAST(GDExtension::InitializationLevel)
 
 class GDExtensionResourceLoader : public ResourceFormatLoader {
+	GDSOFTCLASS(GDExtensionResourceLoader, ResourceFormatLoader);
+
 public:
 	static Error load_gdextension_resource(const String &p_path, Ref<GDExtension> &p_extension);
 

core/extension/gdextension_function_loader.cpp

@@ -0,0 +1,74 @@
+/**************************************************************************/
+/*  gdextension_function_loader.cpp                                       */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "gdextension_function_loader.h"
+
+#include "gdextension.h"
+
+Error GDExtensionFunctionLoader::open_library(const String &p_path) {
+	ERR_FAIL_COND_V_MSG(!p_path.begins_with("libgodot://"), ERR_FILE_NOT_FOUND, "Function based GDExtensions should have a path starting with libgodot://");
+	ERR_FAIL_COND_V_MSG(!initialization_function, ERR_DOES_NOT_EXIST, "Initialization function is required for function based GDExtensions.");
+
+	library_path = p_path;
+
+	return OK;
+}
+
+Error GDExtensionFunctionLoader::initialize(GDExtensionInterfaceGetProcAddress p_get_proc_address, const Ref<GDExtension> &p_extension, GDExtensionInitialization *r_initialization) {
+	ERR_FAIL_COND_V_MSG(!initialization_function, ERR_DOES_NOT_EXIST, "Initialization function is required for function based GDExtensions.");
+	GDExtensionBool ret = initialization_function(p_get_proc_address, p_extension.ptr(), r_initialization);
+
+	if (ret) {
+		return OK;
+	} else {
+		ERR_FAIL_V_MSG(FAILED, "GDExtension initialization function for '" + library_path + "' returned an error.");
+	}
+}
+
+void GDExtensionFunctionLoader::close_library() {
+	initialization_function = nullptr;
+	library_path.clear();
+}
+
+bool GDExtensionFunctionLoader::is_library_open() const {
+	return !library_path.is_empty();
+}
+
+bool GDExtensionFunctionLoader::has_library_changed() const {
+	return false;
+}
+
+bool GDExtensionFunctionLoader::library_exists() const {
+	return true;
+}
+
+void GDExtensionFunctionLoader::set_initialization_function(GDExtensionInitializationFunction p_initialization_function) {
+	initialization_function = p_initialization_function;
+}

core/extension/gdextension_function_loader.h

@@ -0,0 +1,54 @@
+/**************************************************************************/
+/*  gdextension_function_loader.h                                         */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/extension/gdextension_loader.h"
+#include "core/os/shared_object.h"
+
+class GDExtension;
+
+class GDExtensionFunctionLoader : public GDExtensionLoader {
+	friend class GDExtensionManager;
+	friend class GDExtension;
+
+	String library_path;
+	GDExtensionInitializationFunction initialization_function = nullptr;
+
+public:
+	virtual Error open_library(const String &p_path) override;
+	virtual Error initialize(GDExtensionInterfaceGetProcAddress p_get_proc_address, const Ref<GDExtension> &p_extension, GDExtensionInitialization *r_initialization) override;
+	virtual void close_library() override;
+	virtual bool is_library_open() const override;
+	virtual bool has_library_changed() const override;
+	virtual bool library_exists() const override;
+
+	void set_initialization_function(GDExtensionInitializationFunction p_initialization_function);
+};

core/extension/gdextension_interface.cpp

@@ -261,6 +261,7 @@ static void gdextension_get_godot_version2(GDExtensionGodotVersion2 *r_godot_ver
 }
 
 // Memory Functions
+#ifndef DISABLE_DEPRECATED
 static void *gdextension_mem_alloc(size_t p_size) {
 	return memalloc(p_size);
 }
@@ -272,6 +273,19 @@ static void *gdextension_mem_realloc(void *p_mem, size_t p_size) {
 static void gdextension_mem_free(void *p_mem) {
 	memfree(p_mem);
 }
+#endif
+
+static void *gdextension_mem_alloc2(size_t p_size, GDExtensionBool p_prepad_align) {
+	return Memory::alloc_static(p_size, p_prepad_align);
+}
+
+static void *gdextension_mem_realloc2(void *p_mem, size_t p_size, GDExtensionBool p_prepad_align) {
+	return Memory::realloc_static(p_mem, p_size, p_prepad_align);
+}
+
+static void gdextension_mem_free2(void *p_mem, GDExtensionBool p_prepad_align) {
+	Memory::free_static(p_mem, p_prepad_align);
+}
 
 // Helper print functions.
 static void gdextension_print_error(const char *p_description, const char *p_function, const char *p_file, int32_t p_line, GDExtensionBool p_editor_notify) {
@@ -1687,9 +1701,14 @@ void gdextension_setup_interface() {
 	REGISTER_INTERFACE_FUNC(get_godot_version);
 #endif // DISABLE_DEPRECATED
 	REGISTER_INTERFACE_FUNC(get_godot_version2);
+#ifndef DISABLE_DEPRECATED
 	REGISTER_INTERFACE_FUNC(mem_alloc);
 	REGISTER_INTERFACE_FUNC(mem_realloc);
 	REGISTER_INTERFACE_FUNC(mem_free);
+#endif // DISABLE_DEPRECATED
+	REGISTER_INTERFACE_FUNC(mem_alloc2);
+	REGISTER_INTERFACE_FUNC(mem_realloc2);
+	REGISTER_INTERFACE_FUNC(mem_free2);
 	REGISTER_INTERFACE_FUNC(print_error);
 	REGISTER_INTERFACE_FUNC(print_error_with_message);
 	REGISTER_INTERFACE_FUNC(print_warning);

core/extension/gdextension_interface.h

@@ -858,6 +858,7 @@ typedef void (*GDExtensionInterfaceGetGodotVersion2)(GDExtensionGodotVersion2 *r
 /**
  * @name mem_alloc
  * @since 4.1
+ * @deprecated in Godot 4.6. Use `mem_alloc2` instead.
  *
  * Allocates memory.
  *
@@ -870,6 +871,7 @@ typedef void *(*GDExtensionInterfaceMemAlloc)(size_t p_bytes);
 /**
  * @name mem_realloc
  * @since 4.1
+ * @deprecated in Godot 4.6. Use `mem_realloc2` instead.
  *
  * Reallocates memory.
  *
@@ -883,6 +885,7 @@ typedef void *(*GDExtensionInterfaceMemRealloc)(void *p_ptr, size_t p_bytes);
 /**
  * @name mem_free
  * @since 4.1
+ * @deprecated in Godot 4.6. Use `mem_free2` instead.
  *
  * Frees memory.
  *
@@ -890,7 +893,45 @@ typedef void *(*GDExtensionInterfaceMemRealloc)(void *p_ptr, size_t p_bytes);
  */
 typedef void (*GDExtensionInterfaceMemFree)(void *p_ptr);
 
-/* INTERFACE: Godot Core */
+/**
+ * @name mem_alloc2
+ * @since 4.6
+ *
+ * Allocates memory.
+ *
+ * @param p_bytes The amount of memory to allocate in bytes.
+ * @param p_pad_align If true, the returned memory will have prepadding of at least 8 bytes.
+ *
+ * @return A pointer to the allocated memory, or NULL if unsuccessful.
+ */
+typedef void *(*GDExtensionInterfaceMemAlloc2)(size_t p_bytes, GDExtensionBool p_pad_align);
+
+/**
+ * @name mem_realloc2
+ * @since 4.6
+ *
+ * Reallocates memory.
+ *
+ * @param p_ptr A pointer to the previously allocated memory.
+ * @param p_bytes The number of bytes to resize the memory block to.
+ * @param p_pad_align If true, the returned memory will have prepadding of at least 8 bytes.
+ *
+ * @return A pointer to the allocated memory, or NULL if unsuccessful.
+ */
+typedef void *(*GDExtensionInterfaceMemRealloc2)(void *p_ptr, size_t p_bytes, GDExtensionBool p_pad_align);
+
+/**
+ * @name mem_free2
+ * @since 4.6
+ *
+ * Frees memory.
+ *
+ * @param p_ptr A pointer to the previously allocated memory.
+ * @param p_pad_align If true, the given memory was allocated with prepadding.
+ */
+typedef void (*GDExtensionInterfaceMemFree2)(void *p_ptr, GDExtensionBool p_pad_align);
+
+//* INTERFACE: Godot Core */
 
 /**
  * @name print_error

core/extension/gdextension_manager.cpp

@@ -30,6 +30,7 @@
 
 #include "gdextension_manager.h"
 
+#include "core/extension/gdextension_function_loader.h"
 #include "core/extension/gdextension_library_loader.h"
 #include "core/extension/gdextension_special_compat_hashes.h"
 #include "core/io/dir_access.h"
@@ -114,7 +115,14 @@ GDExtensionManager::LoadStatus GDExtensionManager::load_extension(const String &
 
 	Ref<GDExtensionLibraryLoader> loader;
 	loader.instantiate();
-	return GDExtensionManager::get_singleton()->load_extension_with_loader(p_path, loader);
+	return load_extension_with_loader(p_path, loader);
+}
+
+GDExtensionManager::LoadStatus GDExtensionManager::load_extension_from_function(const String &p_path, GDExtensionConstPtr<const GDExtensionInitializationFunction> p_init_func) {
+	Ref<GDExtensionFunctionLoader> func_loader;
+	func_loader.instantiate();
+	func_loader->set_initialization_function((GDExtensionInitializationFunction)*p_init_func.data);
+	return load_extension_with_loader(p_path, func_loader);
 }
 
 GDExtensionManager::LoadStatus GDExtensionManager::load_extension_with_loader(const String &p_path, const Ref<GDExtensionLoader> &p_loader) {
@@ -454,6 +462,7 @@ GDExtensionManager *GDExtensionManager::get_singleton() {
 
 void GDExtensionManager::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("load_extension", "path"), &GDExtensionManager::load_extension);
+	ClassDB::bind_method(D_METHOD("load_extension_from_function", "path", "init_func"), &GDExtensionManager::load_extension_from_function);
 	ClassDB::bind_method(D_METHOD("reload_extension", "path"), &GDExtensionManager::reload_extension);
 	ClassDB::bind_method(D_METHOD("unload_extension", "path"), &GDExtensionManager::unload_extension);
 	ClassDB::bind_method(D_METHOD("is_extension_loaded", "path"), &GDExtensionManager::is_extension_loaded);

core/extension/gdextension_manager.h

@@ -31,6 +31,9 @@
 #pragma once
 
 #include "core/extension/gdextension.h"
+#include "core/variant/native_ptr.h"
+
+GDVIRTUAL_NATIVE_PTR(GDExtensionInitializationFunction)
 
 class GDExtensionManager : public Object {
 	GDCLASS(GDExtensionManager, Object);
@@ -66,6 +69,7 @@ private:
 
 public:
 	LoadStatus load_extension(const String &p_path);
+	LoadStatus load_extension_from_function(const String &p_path, GDExtensionConstPtr<const GDExtensionInitializationFunction> p_init_func);
 	LoadStatus load_extension_with_loader(const String &p_path, const Ref<GDExtensionLoader> &p_loader);
 	LoadStatus reload_extension(const String &p_path);
 	LoadStatus unload_extension(const String &p_path);

core/extension/gdextension_special_compat_hashes.cpp

@@ -63,7 +63,7 @@ bool GDExtensionSpecialCompatHashes::get_legacy_hashes(const StringName &p_class
 			if (p_check_valid) {
 				MethodBind *mb = ClassDB::get_method_with_compatibility(p_class, p_method, mapping.current_hash);
 				if (!mb) {
-					WARN_PRINT(vformat("Compatibility hash %d for %s::%s() mapped to non-existent hash %d. Please update gdextension_special_compat_hashes.cpp.", mapping.legacy_hash, p_class, p_method, mapping.current_hash));
+					WARN_PRINT(vformat("Compatibility hash %d for %s::%s() mapped to non-existent hash %d in gdextension_special_compat_hashes.cpp.", mapping.legacy_hash, p_class, p_method, mapping.current_hash));
 					continue;
 				}
 			}

core/extension/gdextension_special_compat_hashes.h

@@ -36,6 +36,8 @@
 #include "core/templates/hash_map.h"
 #include "core/templates/local_vector.h"
 
+class Array;
+
 // Note: In most situations, compatibility methods should be registered via ClassDB::bind_compatibility_method().
 //       This class is only meant to be used in exceptional circumstances, for example, when Godot's hashing
 //       algorithm changes and registering compatibility methods for all affect methods would be onerous.

core/extension/godot_instance.cpp

@@ -0,0 +1,126 @@
+/**************************************************************************/
+/*  godot_instance.cpp                                                    */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "godot_instance.h"
+
+#include "core/extension/gdextension_manager.h"
+#include "core/os/main_loop.h"
+#include "main/main.h"
+#include "servers/display/display_server.h"
+
+void GodotInstance::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("start"), &GodotInstance::start);
+	ClassDB::bind_method(D_METHOD("is_started"), &GodotInstance::is_started);
+	ClassDB::bind_method(D_METHOD("iteration"), &GodotInstance::iteration);
+	ClassDB::bind_method(D_METHOD("focus_in"), &GodotInstance::focus_in);
+	ClassDB::bind_method(D_METHOD("focus_out"), &GodotInstance::focus_out);
+	ClassDB::bind_method(D_METHOD("pause"), &GodotInstance::pause);
+	ClassDB::bind_method(D_METHOD("resume"), &GodotInstance::resume);
+}
+
+GodotInstance::GodotInstance() {
+}
+
+GodotInstance::~GodotInstance() {
+}
+
+bool GodotInstance::initialize(GDExtensionInitializationFunction p_init_func) {
+	print_verbose("Godot Instance initialization");
+	GDExtensionManager *gdextension_manager = GDExtensionManager::get_singleton();
+	GDExtensionConstPtr<const GDExtensionInitializationFunction> ptr((const GDExtensionInitializationFunction *)&p_init_func);
+	GDExtensionManager::LoadStatus status = gdextension_manager->load_extension_from_function("libgodot://main", ptr);
+	return status == GDExtensionManager::LoadStatus::LOAD_STATUS_OK;
+}
+
+bool GodotInstance::start() {
+	print_verbose("GodotInstance::start()");
+	Error err = Main::setup2();
+	if (err != OK) {
+		return false;
+	}
+	started = Main::start() == EXIT_SUCCESS;
+	if (started) {
+		OS::get_singleton()->get_main_loop()->initialize();
+	}
+	return started;
+}
+
+bool GodotInstance::is_started() {
+	return started;
+}
+
+bool GodotInstance::iteration() {
+	DisplayServer::get_singleton()->process_events();
+	return Main::iteration();
+}
+
+void GodotInstance::stop() {
+	print_verbose("GodotInstance::stop()");
+	if (started) {
+		OS::get_singleton()->get_main_loop()->finalize();
+	}
+	started = false;
+}
+
+void GodotInstance::focus_out() {
+	print_verbose("GodotInstance::focus_out()");
+	if (started) {
+		if (OS::get_singleton()->get_main_loop()) {
+			OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_FOCUS_OUT);
+		}
+	}
+}
+
+void GodotInstance::focus_in() {
+	print_verbose("GodotInstance::focus_in()");
+	if (started) {
+		if (OS::get_singleton()->get_main_loop()) {
+			OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_FOCUS_IN);
+		}
+	}
+}
+
+void GodotInstance::pause() {
+	print_verbose("GodotInstance::pause()");
+	if (started) {
+		if (OS::get_singleton()->get_main_loop()) {
+			OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_PAUSED);
+		}
+	}
+}
+
+void GodotInstance::resume() {
+	print_verbose("GodotInstance::resume()");
+	if (started) {
+		if (OS::get_singleton()->get_main_loop()) {
+			OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_RESUMED);
+		}
+	}
+}

core/extension/godot_instance.h

@@ -0,0 +1,59 @@
+/**************************************************************************/
+/*  godot_instance.h                                                      */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/extension/gdextension_interface.h"
+#include "core/object/class_db.h"
+
+class GodotInstance : public Object {
+	GDCLASS(GodotInstance, Object);
+
+	bool started = false;
+
+protected:
+	static void _bind_methods();
+
+public:
+	GodotInstance();
+	~GodotInstance();
+
+	bool initialize(GDExtensionInitializationFunction p_init_func);
+
+	bool start();
+	bool is_started();
+	bool iteration();
+	void stop();
+
+	void focus_out();
+	void focus_in();
+	void pause();
+	void resume();
+};

core/extension/libgodot.h

@@ -0,0 +1,73 @@
+/**************************************************************************/
+/*  libgodot.h                                                            */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "gdextension_interface.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Export macros for DLL visibility
+#if defined(_MSC_VER) || defined(__MINGW32__)
+#define LIBGODOT_API __declspec(dllexport)
+#elif defined(__GNUC__) || defined(__clang__)
+#define LIBGODOT_API __attribute__((visibility("default")))
+#endif // if defined(_MSC_VER)
+
+/**
+ * @name libgodot_create_godot_instance
+ * @since 4.6
+ *
+ * Creates a new Godot instance.
+ *
+ * @param p_argc The number of command line arguments.
+ * @param p_argv The C-style array of command line arguments.
+ * @param p_init_func GDExtension initialization function of the host application.
+ *
+ * @return A pointer to created \ref GodotInstance GDExtension object or nullptr if there was an error.
+ */
+LIBGODOT_API GDExtensionObjectPtr libgodot_create_godot_instance(int p_argc, char *p_argv[], GDExtensionInitializationFunction p_init_func);
+
+/**
+ * @name libgodot_destroy_godot_instance
+ * @since 4.6
+ *
+ * Destroys an existing Godot instance.
+ *
+ * @param p_godot_instance The reference to the GodotInstance object to destroy.
+ *
+ */
+LIBGODOT_API void libgodot_destroy_godot_instance(GDExtensionObjectPtr p_godot_instance);
+
+#ifdef __cplusplus
+}
+#endif

core/input/input.cpp

@@ -1756,8 +1756,7 @@ void Input::parse_mapping(const String &p_mapping) {
 void Input::add_joy_mapping(const String &p_mapping, bool p_update_existing) {
 	parse_mapping(p_mapping);
 	if (p_update_existing) {
-		Vector<String> entry = p_mapping.split(",");
-		const String &uid = entry[0];
+		const String uid = p_mapping.get_slicec(',', 0);
 		for (KeyValue<int, Joypad> &E : joy_names) {
 			Joypad &joy = E.value;
 			if (joy.uid == uid) {

core/input/input.h

@@ -34,6 +34,7 @@
 #include "core/object/object.h"
 #include "core/os/keyboard.h"
 #include "core/os/thread_safe.h"
+#include "core/templates/rb_map.h"
 #include "core/templates/rb_set.h"
 #include "core/variant/typed_array.h"
 

core/input/input_event.cpp

@@ -260,12 +260,12 @@ String InputEventWithModifiers::as_text() const {
 	if (is_ctrl_pressed()) {
 		mod_names.push_back(find_keycode_name(Key::CTRL));
 	}
-	if (is_shift_pressed()) {
-		mod_names.push_back(find_keycode_name(Key::SHIFT));
-	}
 	if (is_alt_pressed()) {
 		mod_names.push_back(find_keycode_name(Key::ALT));
 	}
+	if (is_shift_pressed()) {
+		mod_names.push_back(find_keycode_name(Key::SHIFT));
+	}
 	if (is_meta_pressed()) {
 		mod_names.push_back(find_keycode_name(Key::META));
 	}
@@ -277,7 +277,7 @@ String InputEventWithModifiers::as_text() const {
 	}
 }
 
-String InputEventWithModifiers::to_string() {
+String InputEventWithModifiers::_to_string() {
 	return as_text();
 }
 
@@ -488,7 +488,7 @@ String InputEventKey::as_text() const {
 	return mods_text.is_empty() ? kc : mods_text + "+" + kc;
 }
 
-String InputEventKey::to_string() {
+String InputEventKey::_to_string() {
 	String p = is_pressed() ? "true" : "false";
 	String e = is_echo() ? "true" : "false";
 
@@ -848,7 +848,7 @@ String InputEventMouseButton::as_text() const {
 	return full_string;
 }
 
-String InputEventMouseButton::to_string() {
+String InputEventMouseButton::_to_string() {
 	String p = is_pressed() ? "true" : "false";
 	String canceled_state = is_canceled() ? "true" : "false";
 	String d = double_click ? "true" : "false";
@@ -988,7 +988,7 @@ String InputEventMouseMotion::as_text() const {
 	return vformat(RTR("Mouse motion at position (%s) with velocity (%s)"), String(get_position()), String(get_velocity()));
 }
 
-String InputEventMouseMotion::to_string() {
+String InputEventMouseMotion::_to_string() {
 	BitField<MouseButtonMask> mouse_button_mask = get_button_mask();
 	String button_mask_string = itos((int64_t)mouse_button_mask);
 
@@ -1184,15 +1184,16 @@ String InputEventJoypadMotion::as_text() const {
 	return vformat(RTR("Joypad Motion on Axis %d (%s) with Value %.2f"), axis, desc, axis_value);
 }
 
-String InputEventJoypadMotion::to_string() {
+String InputEventJoypadMotion::_to_string() {
 	return vformat("InputEventJoypadMotion: axis=%d, axis_value=%.2f", axis, axis_value);
 }
 
-Ref<InputEventJoypadMotion> InputEventJoypadMotion::create_reference(JoyAxis p_axis, float p_value) {
+Ref<InputEventJoypadMotion> InputEventJoypadMotion::create_reference(JoyAxis p_axis, float p_value, int p_device) {
 	Ref<InputEventJoypadMotion> ie;
 	ie.instantiate();
 	ie->set_axis(p_axis);
 	ie->set_axis_value(p_value);
+	ie->set_device(p_device);
 
 	return ie;
 }
@@ -1302,15 +1303,16 @@ String InputEventJoypadButton::as_text() const {
 	return text;
 }
 
-String InputEventJoypadButton::to_string() {
+String InputEventJoypadButton::_to_string() {
 	String p = is_pressed() ? "true" : "false";
 	return vformat("InputEventJoypadButton: button_index=%d, pressed=%s, pressure=%.2f", button_index, p, pressure);
 }
 
-Ref<InputEventJoypadButton> InputEventJoypadButton::create_reference(JoyButton p_btn_index) {
+Ref<InputEventJoypadButton> InputEventJoypadButton::create_reference(JoyButton p_btn_index, int p_device) {
 	Ref<InputEventJoypadButton> ie;
 	ie.instantiate();
 	ie->set_button_index(p_btn_index);
+	ie->set_device(p_device);
 
 	return ie;
 }
@@ -1384,7 +1386,7 @@ String InputEventScreenTouch::as_text() const {
 	return vformat(RTR("Screen %s at (%s) with %s touch points"), status, String(get_position()), itos(index));
 }
 
-String InputEventScreenTouch::to_string() {
+String InputEventScreenTouch::_to_string() {
 	String p = pressed ? "true" : "false";
 	String canceled_state = canceled ? "true" : "false";
 	String double_tap_string = double_tap ? "true" : "false";
@@ -1512,7 +1514,7 @@ String InputEventScreenDrag::as_text() const {
 	return vformat(RTR("Screen dragged with %s touch points at position (%s) with velocity of (%s)"), itos(index), String(get_position()), String(get_velocity()));
 }
 
-String InputEventScreenDrag::to_string() {
+String InputEventScreenDrag::_to_string() {
 	return vformat("InputEventScreenDrag: index=%d, position=(%s), relative=(%s), velocity=(%s), pressure=%.2f, tilt=(%s), pen_inverted=(%s)", index, String(get_position()), String(get_relative()), String(get_velocity()), get_pressure(), String(get_tilt()), get_pen_inverted());
 }
 
@@ -1654,7 +1656,7 @@ String InputEventAction::as_text() const {
 	return String();
 }
 
-String InputEventAction::to_string() {
+String InputEventAction::_to_string() {
 	String p = is_pressed() ? "true" : "false";
 	return vformat("InputEventAction: action=\"%s\", pressed=%s", action, p);
 }
@@ -1725,7 +1727,7 @@ String InputEventMagnifyGesture::as_text() const {
 	return vformat(RTR("Magnify Gesture at (%s) with factor %s"), String(get_position()), rtos(get_factor()));
 }
 
-String InputEventMagnifyGesture::to_string() {
+String InputEventMagnifyGesture::_to_string() {
 	return vformat("InputEventMagnifyGesture: factor=%.2f, position=(%s)", factor, String(get_position()));
 }
 
@@ -1767,7 +1769,7 @@ String InputEventPanGesture::as_text() const {
 	return vformat(RTR("Pan Gesture at (%s) with delta (%s)"), String(get_position()), String(get_delta()));
 }
 
-String InputEventPanGesture::to_string() {
+String InputEventPanGesture::_to_string() {
 	return vformat("InputEventPanGesture: delta=(%s), position=(%s)", String(get_delta()), String(get_position()));
 }
 
@@ -1848,7 +1850,7 @@ String InputEventMIDI::as_text() const {
 	return vformat(RTR("MIDI Input on Channel=%s Message=%s"), itos(channel), itos((int64_t)message));
 }
 
-String InputEventMIDI::to_string() {
+String InputEventMIDI::_to_string() {
 	String ret;
 	switch (message) {
 		case MIDIMessage::NOTE_ON:
@@ -1924,7 +1926,7 @@ String InputEventShortcut::as_text() const {
 	return vformat(RTR("Input Event with Shortcut=%s"), shortcut->get_as_text());
 }
 
-String InputEventShortcut::to_string() {
+String InputEventShortcut::_to_string() {
 	ERR_FAIL_COND_V(shortcut.is_null(), "None");
 
 	return vformat("InputEventShortcut: shortcut=%s", shortcut->get_as_text());

core/input/input_event.h

@@ -146,7 +146,7 @@ public:
 	BitField<KeyModifierMask> get_modifiers_mask() const;
 
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
 	InputEventWithModifiers() {}
 };
@@ -200,7 +200,7 @@ public:
 	virtual String as_text_key_label() const;
 	virtual String as_text_location() const;
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
 	static Ref<InputEventKey> create_reference(Key p_keycode_with_modifier_masks, bool p_physical = false);
 
@@ -263,7 +263,7 @@ public:
 
 	virtual bool is_action_type() const override { return true; }
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
 	InputEventType get_type() const final override { return InputEventType::MOUSE_BUTTON; }
 
@@ -308,7 +308,7 @@ public:
 
 	virtual Ref<InputEvent> xformed_by(const Transform2D &p_xform, const Vector2 &p_local_ofs = Vector2()) const override;
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
 	virtual bool accumulate(const Ref<InputEvent> &p_event) override;
 
@@ -337,9 +337,10 @@ public:
 
 	virtual bool is_action_type() const override { return true; }
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
-	static Ref<InputEventJoypadMotion> create_reference(JoyAxis p_axis, float p_value);
+	// The default device ID is `InputMap::ALL_DEVICES`.
+	static Ref<InputEventJoypadMotion> create_reference(JoyAxis p_axis, float p_value, int p_device = -1);
 
 	InputEventType get_type() const final override { return InputEventType::JOY_MOTION; }
 
@@ -369,9 +370,10 @@ public:
 	virtual bool is_action_type() const override { return true; }
 
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
-	static Ref<InputEventJoypadButton> create_reference(JoyButton p_btn_index);
+	// The default device ID is `InputMap::ALL_DEVICES`.
+	static Ref<InputEventJoypadButton> create_reference(JoyButton p_btn_index, int p_device = -1);
 
 	InputEventType get_type() const final override { return InputEventType::JOY_BUTTON; }
 
@@ -402,7 +404,7 @@ public:
 
 	virtual Ref<InputEvent> xformed_by(const Transform2D &p_xform, const Vector2 &p_local_ofs = Vector2()) const override;
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
 	InputEventType get_type() const final override { return InputEventType::SCREEN_TOUCH; }
 
@@ -454,7 +456,7 @@ public:
 
 	virtual Ref<InputEvent> xformed_by(const Transform2D &p_xform, const Vector2 &p_local_ofs = Vector2()) const override;
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
 	virtual bool accumulate(const Ref<InputEvent> &p_event) override;
 
@@ -493,7 +495,7 @@ public:
 	virtual bool is_action_type() const override { return true; }
 
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
 	InputEventType get_type() const final override { return InputEventType::ACTION; }
 
@@ -526,7 +528,7 @@ public:
 
 	virtual Ref<InputEvent> xformed_by(const Transform2D &p_xform, const Vector2 &p_local_ofs = Vector2()) const override;
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
 	InputEventType get_type() const final override { return InputEventType::MAGNIFY_GESTURE; }
 
@@ -546,7 +548,7 @@ public:
 
 	virtual Ref<InputEvent> xformed_by(const Transform2D &p_xform, const Vector2 &p_local_ofs = Vector2()) const override;
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
 	InputEventType get_type() const final override { return InputEventType::PAN_GESTURE; }
 
@@ -594,7 +596,7 @@ public:
 	int get_controller_value() const;
 
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
 	InputEventType get_type() const final override { return InputEventType::MIDI; }
 
@@ -614,7 +616,7 @@ public:
 	Ref<Shortcut> get_shortcut();
 
 	virtual String as_text() const override;
-	virtual String to_string() override;
+	virtual String _to_string() override;
 
 	InputEventType get_type() const final override { return InputEventType::SHORTCUT; }
 

core/input/input_map.cpp

@@ -403,9 +403,12 @@ static const _BuiltinActionDisplayName _builtin_action_display_names[] = {
 	{ "ui_graph_delete",                               TTRC("Delete Nodes") },
 	{ "ui_graph_follow_left",                          TTRC("Follow Input Port Connection") },
 	{ "ui_graph_follow_right",                         TTRC("Follow Output Port Connection") },
+	{ "ui_filedialog_delete",                          TTRC("Delete") },
 	{ "ui_filedialog_up_one_level",                    TTRC("Go Up One Level") },
 	{ "ui_filedialog_refresh",                         TTRC("Refresh") },
 	{ "ui_filedialog_show_hidden",                     TTRC("Show Hidden") },
+	{ "ui_filedialog_find",                            TTRC("Find") },
+	{ "ui_filedialog_focus_path",                      TTRC("Focus Path") },
 	{ "ui_swap_input_direction ",                      TTRC("Swap Input Direction") },
 	{ "ui_unicode_start",                              TTRC("Start Unicode Character Input") },
 	{ "ui_colorpicker_delete_preset",                  TTRC("ColorPicker: Delete Preset") },
@@ -415,7 +418,7 @@ static const _BuiltinActionDisplayName _builtin_action_display_names[] = {
 };
 
 String InputMap::get_builtin_display_name(const String &p_name) const {
-	constexpr int len = std::size(_builtin_action_display_names);
+	constexpr int len = std_size(_builtin_action_display_names);
 
 	for (int i = 0; i < len; i++) {
 		if (_builtin_action_display_names[i].name == p_name) {
@@ -804,6 +807,10 @@ const HashMap<String, List<Ref<InputEvent>>> &InputMap::get_builtins() {
 	default_builtin_cache.insert("ui_graph_follow_right.macos", inputs);
 
 	// ///// UI File Dialog Shortcuts /////
+	inputs = List<Ref<InputEvent>>();
+	inputs.push_back(InputEventKey::create_reference(Key::KEY_DELETE));
+	default_builtin_cache.insert("ui_filedialog_delete", inputs);
+
 	inputs = List<Ref<InputEvent>>();
 	inputs.push_back(InputEventKey::create_reference(Key::BACKSPACE));
 	default_builtin_cache.insert("ui_filedialog_up_one_level", inputs);
@@ -816,6 +823,22 @@ const HashMap<String, List<Ref<InputEvent>>> &InputMap::get_builtins() {
 	inputs.push_back(InputEventKey::create_reference(Key::H));
 	default_builtin_cache.insert("ui_filedialog_show_hidden", inputs);
 
+	inputs = List<Ref<InputEvent>>();
+	inputs.push_back(InputEventKey::create_reference(Key::F | KeyModifierMask::CMD_OR_CTRL));
+	default_builtin_cache.insert("ui_filedialog_find", inputs);
+
+	inputs = List<Ref<InputEvent>>();
+	// Ctrl + L (matches most Windows/Linux file managers' "focus on path bar" shortcut,
+	// plus macOS Safari's "focus on address bar" shortcut).
+	inputs.push_back(InputEventKey::create_reference(Key::L | KeyModifierMask::CMD_OR_CTRL));
+	default_builtin_cache.insert("ui_filedialog_focus_path", inputs);
+
+	inputs = List<Ref<InputEvent>>();
+	// Cmd + Shift + G (matches Finder's "Go To" shortcut).
+	inputs.push_back(InputEventKey::create_reference(Key::G | KeyModifierMask::CMD_OR_CTRL));
+	inputs.push_back(InputEventKey::create_reference(Key::L | KeyModifierMask::CMD_OR_CTRL));
+	default_builtin_cache.insert("ui_filedialog_focus_path.macos", inputs);
+
 	inputs = List<Ref<InputEvent>>();
 	inputs.push_back(InputEventKey::create_reference(Key::QUOTELEFT | KeyModifierMask::CMD_OR_CTRL));
 	default_builtin_cache.insert("ui_swap_input_direction", inputs);
@@ -843,9 +866,8 @@ const HashMap<String, List<Ref<InputEvent>>> &InputMap::get_builtins_with_featur
 	for (const KeyValue<String, List<Ref<InputEvent>>> &E : builtins) {
 		String fullname = E.key;
 
-		Vector<String> split = fullname.split(".");
-		const String &name = split[0];
-		String override_for = split.size() > 1 ? split[1] : String();
+		const String &name = fullname.get_slicec('.', 0);
+		String override_for = fullname.get_slice_count(".") > 1 ? fullname.get_slicec('.', 1) : String();
 
 		if (!override_for.is_empty() && OS::get_singleton()->has_feature(override_for)) {
 			builtins_with_overrides[name].push_back(override_for);
@@ -855,9 +877,8 @@ const HashMap<String, List<Ref<InputEvent>>> &InputMap::get_builtins_with_featur
 	for (const KeyValue<String, List<Ref<InputEvent>>> &E : builtins) {
 		String fullname = E.key;
 
-		Vector<String> split = fullname.split(".");
-		const String &name = split[0];
-		String override_for = split.size() > 1 ? split[1] : String();
+		const String &name = fullname.get_slicec('.', 0);
+		String override_for = fullname.get_slice_count(".") > 1 ? fullname.get_slicec('.', 1) : String();
 
 		if (builtins_with_overrides.has(name) && override_for.is_empty()) {
 			// Builtin has an override but this particular one is not an override, so skip.

core/input/shortcut.cpp

@@ -85,6 +85,17 @@ String Shortcut::get_as_text() const {
 	return "None";
 }
 
+Ref<Shortcut> Shortcut::make_from_action(const StringName &p_action) {
+	Ref<InputEventAction> event;
+	event.instantiate();
+	event->set_action(p_action);
+
+	Ref<Shortcut> shortcut;
+	shortcut.instantiate();
+	shortcut->set_events({ event });
+	return shortcut;
+}
+
 bool Shortcut::has_valid_event() const {
 	// Tests if there is ANY input event which is valid.
 	for (int i = 0; i < events.size(); i++) {

core/input/shortcut.h

@@ -52,5 +52,7 @@ public:
 
 	String get_as_text() const;
 
+	static Ref<Shortcut> make_from_action(const StringName &p_action);
+
 	static bool is_event_array_equal(const Array &p_event_array1, const Array &p_event_array2);
 };

core/io/file_access.compat.inc

@@ -90,6 +90,14 @@ void FileAccess::store_pascal_string_bind_compat_78289(const String &p_string) {
 	store_pascal_string(p_string);
 }
 
+String FileAccess::get_as_text_bind_compat_110867(bool p_skip_cr) const {
+	String text = get_as_text();
+	if (unlikely(p_skip_cr)) {
+		text = text.remove_char('\r');
+	}
+	return text;
+}
+
 void FileAccess::_bind_compatibility_methods() {
 	ClassDB::bind_compatibility_static_method("FileAccess", D_METHOD("open_encrypted", "path", "mode_flags", "key"), &FileAccess::_open_encrypted_bind_compat_98918);
 
@@ -107,6 +115,7 @@ void FileAccess::_bind_compatibility_methods() {
 	ClassDB::bind_compatibility_method(D_METHOD("store_string", "string"), &FileAccess::store_string_bind_compat_78289);
 	ClassDB::bind_compatibility_method(D_METHOD("store_var", "value", "full_objects"), &FileAccess::store_var_bind_compat_78289, DEFVAL(false));
 	ClassDB::bind_compatibility_method(D_METHOD("store_pascal_string", "string"), &FileAccess::store_pascal_string_bind_compat_78289);
+	ClassDB::bind_compatibility_method(D_METHOD("get_as_text", "skip_cr"), &FileAccess::get_as_text_bind_compat_110867, DEFVAL(false));
 }
 
 #endif

core/io/file_access.cpp

@@ -37,6 +37,7 @@
 #include "core/io/file_access_encrypted.h"
 #include "core/io/file_access_pack.h"
 #include "core/io/marshalls.h"
+#include "core/io/resource_uid.h"
 #include "core/os/os.h"
 #include "core/os/time.h"
 
@@ -81,12 +82,12 @@ Ref<FileAccess> FileAccess::create_for_path(const String &p_path) {
 Ref<FileAccess> FileAccess::create_temp(int p_mode_flags, const String &p_prefix, const String &p_extension, bool p_keep, Error *r_error) {
 	const String ERROR_COMMON_PREFIX = "Error while creating temporary file";
 
-	if (!p_prefix.is_valid_filename()) {
+	if (!p_prefix.is_empty() && !p_prefix.is_valid_filename()) {
 		*r_error = ERR_FILE_BAD_PATH;
 		ERR_FAIL_V_MSG(Ref<FileAccess>(), vformat(R"(%s: "%s" is not a valid prefix.)", ERROR_COMMON_PREFIX, p_prefix));
 	}
 
-	if (!p_extension.is_valid_filename()) {
+	if (!p_extension.is_empty() && !p_extension.is_valid_filename()) {
 		*r_error = ERR_FILE_BAD_PATH;
 		ERR_FAIL_V_MSG(Ref<FileAccess>(), vformat(R"(%s: "%s" is not a valid extension.)", ERROR_COMMON_PREFIX, p_extension));
 	}
@@ -445,7 +446,7 @@ class CharBuffer {
 public:
 	_FORCE_INLINE_ CharBuffer() :
 			buffer(stack_buffer),
-			capacity(std::size(stack_buffer)) {
+			capacity(std_size(stack_buffer)) {
 	}
 
 	_FORCE_INLINE_ void push_back(char c) {
@@ -467,10 +468,22 @@ String FileAccess::get_line() const {
 	uint8_t c = get_8();
 
 	while (!eof_reached()) {
-		if (c == '\n' || c == '\0' || get_error() != OK) {
+		if (c == '\r' || c == '\n' || c == '\0' || get_error() != OK) {
+			if (c == '\r') {
+				// Check for Windows-style EOL.
+				const uint64_t prev_pos = get_position() - 1;
+				if (unlikely(get_8() != '\n')) {
+					// HACK: We can't simply check the next value in a vacuum, so we risk triggering
+					//  an EOL false-positive in the unlikely event that this `\r` was the final
+					//  value of the file. Unilaterally work around by re-reading the *previous*
+					//  byte (the starting `\r`) to ensure `get_error()` returns `OK`.
+					const_cast<FileAccess *>(this)->seek(prev_pos);
+					get_8();
+				}
+			}
 			line.push_back(0);
 			return String::utf8(line.get_data());
-		} else if (c != '\r') {
+		} else {
 			line.push_back(char(c));
 		}
 
@@ -538,11 +551,11 @@ Vector<String> FileAccess::get_csv_line(const String &p_delim) const {
 	return strings;
 }
 
-String FileAccess::get_as_text(bool p_skip_cr) const {
+String FileAccess::get_as_text() const {
 	uint64_t original_pos = get_position();
 	const_cast<FileAccess *>(this)->seek(0);
 
-	String text = get_as_utf8_string(p_skip_cr);
+	String text = get_as_utf8_string();
 
 	const_cast<FileAccess *>(this)->seek(original_pos);
 
@@ -557,6 +570,7 @@ Vector<uint8_t> FileAccess::get_buffer(int64_t p_length) const {
 		return data;
 	}
 
+	data.reserve_exact(p_length);
 	Error err = data.resize(p_length);
 	ERR_FAIL_COND_V_MSG(err != OK, data, vformat("Can't resize data to %d elements.", p_length));
 
@@ -570,7 +584,7 @@ Vector<uint8_t> FileAccess::get_buffer(int64_t p_length) const {
 	return data;
 }
 
-String FileAccess::get_as_utf8_string(bool p_skip_cr) const {
+String FileAccess::get_as_utf8_string() const {
 	Vector<uint8_t> sourcef;
 	uint64_t len = get_length();
 	sourcef.resize(len + 1);
@@ -581,7 +595,7 @@ String FileAccess::get_as_utf8_string(bool p_skip_cr) const {
 	w[len] = 0;
 
 	String s;
-	s.append_utf8((const char *)w, len, p_skip_cr);
+	s.append_utf8((const char *)w, len);
 	return s;
 }
 
@@ -851,6 +865,7 @@ Vector<uint8_t> FileAccess::get_file_as_bytes(const String &p_path, Error *r_err
 		ERR_FAIL_V_MSG(Vector<uint8_t>(), vformat("Can't open file from path '%s'.", String(p_path)));
 	}
 	Vector<uint8_t> data;
+	data.reserve_exact(f->get_length());
 	data.resize(f->get_length());
 	f->get_buffer(data.ptrw(), data.size());
 	return data;
@@ -987,7 +1002,7 @@ void FileAccess::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_buffer", "length"), (Vector<uint8_t> (FileAccess::*)(int64_t) const) & FileAccess::get_buffer);
 	ClassDB::bind_method(D_METHOD("get_line"), &FileAccess::get_line);
 	ClassDB::bind_method(D_METHOD("get_csv_line", "delim"), &FileAccess::get_csv_line, DEFVAL(","));
-	ClassDB::bind_method(D_METHOD("get_as_text", "skip_cr"), &FileAccess::get_as_text, DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("get_as_text"), &FileAccess::get_as_text);
 	ClassDB::bind_static_method("FileAccess", D_METHOD("get_md5", "path"), &FileAccess::get_md5);
 	ClassDB::bind_static_method("FileAccess", D_METHOD("get_sha256", "path"), &FileAccess::get_sha256);
 	ClassDB::bind_method(D_METHOD("is_big_endian"), &FileAccess::is_big_endian);

core/io/file_access.h

@@ -132,6 +132,7 @@ protected:
 	void store_line_bind_compat_78289(const String &p_line);
 	void store_csv_line_bind_compat_78289(const Vector<String> &p_values, const String &p_delim = ",");
 	void store_pascal_string_bind_compat_78289(const String &p_string);
+	String get_as_text_bind_compat_110867(bool p_skip_cr) const;
 
 	static void _bind_compatibility_methods();
 #endif
@@ -188,8 +189,8 @@ public:
 	virtual String get_line() const;
 	virtual String get_token() const;
 	virtual Vector<String> get_csv_line(const String &p_delim = ",") const;
-	String get_as_text(bool p_skip_cr = false) const;
-	virtual String get_as_utf8_string(bool p_skip_cr = false) const;
+	String get_as_text() const;
+	virtual String get_as_utf8_string() const;
 
 	/**
 

core/io/file_access_compressed.cpp

@@ -130,34 +130,37 @@ void FileAccessCompressed::_close() {
 			f->store_32(0); //compressed sizes, will update later
 		}
 
-		Vector<int> block_sizes;
+		uint32_t last_block_size = write_max % block_size;
+
+		// Temporary buffer for compressed data blocks.
+		LocalVector<uint8_t> temp_cblock;
+		temp_cblock.resize(Compression::get_max_compressed_buffer_size(bc == 1 ? last_block_size : block_size, cmode));
+		uint8_t *temp_cblock_ptr = temp_cblock.ptr();
+
+		// Compress and store the blocks.
+		LocalVector<uint32_t> block_sizes;
 		for (uint32_t i = 0; i < bc; i++) {
-			uint32_t bl = i == (bc - 1) ? write_max % block_size : block_size;
+			uint32_t bl = i == (bc - 1) ? last_block_size : block_size;
 			uint8_t *bp = &write_ptr[i * block_size];
 
-			Vector<uint8_t> cblock;
-			cblock.resize(Compression::get_max_compressed_buffer_size(bl, cmode));
-			const int64_t compressed_size = Compression::compress(cblock.ptrw(), bp, bl, cmode);
+			const int64_t compressed_size = Compression::compress(temp_cblock_ptr, bp, bl, cmode);
 			ERR_FAIL_COND_MSG(compressed_size < 0, "FileAccessCompressed: Error compressing data.");
 
-			f->store_buffer(cblock.ptr(), (uint64_t)compressed_size);
+			f->store_buffer(temp_cblock_ptr, (uint64_t)compressed_size);
 			block_sizes.push_back(compressed_size);
 		}
 
 		f->seek(16); //ok write block sizes
 		for (uint32_t i = 0; i < bc; i++) {
-			f->store_32(uint32_t(block_sizes[i]));
+			f->store_32(block_sizes[i]);
 		}
 		f->seek_end();
 		f->store_buffer((const uint8_t *)mgc.get_data(), mgc.length()); //magic at the end too
-
-		buffer.clear();
-
 	} else {
 		comp_buffer.clear();
-		buffer.clear();
 		read_blocks.clear();
 	}
+	buffer.clear();
 	f.unref();
 }
 

core/io/file_access_encrypted.cpp

@@ -140,7 +140,7 @@ void FileAccessEncrypted::_close() {
 	}
 
 	if (writing) {
-		Vector<uint8_t> compressed;
+		LocalVector<uint8_t> compressed;
 		uint64_t len = data.size();
 		if (len % 16) {
 			len += 16 - (len % 16);
@@ -150,10 +150,8 @@ void FileAccessEncrypted::_close() {
 		ERR_FAIL_COND(CryptoCore::md5(data.ptr(), data.size(), hash) != OK); // Bug?
 
 		compressed.resize(len);
-		memset(compressed.ptrw(), 0, len);
-		for (int i = 0; i < data.size(); i++) {
-			compressed.write[i] = data[i];
-		}
+		memcpy(compressed.ptr(), data.ptr(), data.size());
+		memset(compressed.ptr() + data.size(), 0, len - data.size());
 
 		CryptoCore::AESContext ctx;
 		ctx.set_encode_key(key.ptrw(), 256);
@@ -166,7 +164,7 @@ void FileAccessEncrypted::_close() {
 		file->store_64(data.size());
 		file->store_buffer(iv.ptr(), 16);
 
-		ctx.encrypt_cfb(len, iv.ptrw(), compressed.ptrw(), compressed.ptrw());
+		ctx.encrypt_cfb(len, iv.ptrw(), compressed.ptr(), compressed.ptr());
 
 		file->store_buffer(compressed.ptr(), compressed.size());
 		data.clear();

core/io/http_client_tcp.h

@@ -35,6 +35,8 @@
 #include "core/crypto/crypto.h"
 
 class HTTPClientTCP : public HTTPClient {
+	GDSOFTCLASS(HTTPClientTCP, HTTPClient);
+
 private:
 	Status status = STATUS_DISCONNECTED;
 	IP::ResolverID resolving = IP::RESOLVER_INVALID_ID;

core/io/image.cpp

@@ -78,6 +78,14 @@ const char *Image::format_names[Image::FORMAT_MAX] = {
 	"ASTC_4x4_HDR",
 	"ASTC_8x8",
 	"ASTC_8x8_HDR",
+	"R16",
+	"RG16",
+	"RGB16",
+	"RGBA16",
+	"R16Int",
+	"RG16Int",
+	"RGB16Int",
+	"RGBA16Int",
 };
 
 // External VRAM compression function pointers.
@@ -201,6 +209,22 @@ int Image::get_format_pixel_size(Format p_format) {
 			return 1;
 		case FORMAT_ASTC_8x8_HDR:
 			return 1;
+		case FORMAT_R16:
+			return 2;
+		case FORMAT_RG16:
+			return 4;
+		case FORMAT_RGB16:
+			return 6;
+		case FORMAT_RGBA16:
+			return 8;
+		case FORMAT_R16I:
+			return 2;
+		case FORMAT_RG16I:
+			return 4;
+		case FORMAT_RGB16I:
+			return 6;
+		case FORMAT_RGBA16I:
+			return 8;
 		case FORMAT_MAX: {
 		}
 	}
@@ -759,6 +783,78 @@ void Image::convert(Format p_new_format) {
 			case FORMAT_RGBAF | (FORMAT_RGBF << 8):
 				_convert_fast<uint32_t, 4, 3, 0x00000000, 0x3F800000>(mip_width, mip_height, (const uint32_t *)rptr, (uint32_t *)wptr);
 				break;
+			case FORMAT_R16 | (FORMAT_RG16 << 8):
+				_convert_fast<uint16_t, 1, 2, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_R16 | (FORMAT_RGB16 << 8):
+				_convert_fast<uint16_t, 1, 3, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_R16 | (FORMAT_RGBA16 << 8):
+				_convert_fast<uint16_t, 1, 4, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RG16 | (FORMAT_R16 << 8):
+				_convert_fast<uint16_t, 2, 1, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RG16 | (FORMAT_RGB16 << 8):
+				_convert_fast<uint16_t, 2, 3, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RG16 | (FORMAT_RGBA16 << 8):
+				_convert_fast<uint16_t, 2, 4, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGB16 | (FORMAT_R16 << 8):
+				_convert_fast<uint16_t, 3, 1, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGB16 | (FORMAT_RG16 << 8):
+				_convert_fast<uint16_t, 3, 2, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGB16 | (FORMAT_RGBA16 << 8):
+				_convert_fast<uint16_t, 3, 4, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGBA16 | (FORMAT_R16 << 8):
+				_convert_fast<uint16_t, 4, 1, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGBA16 | (FORMAT_RG16 << 8):
+				_convert_fast<uint16_t, 4, 2, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGBA16 | (FORMAT_RGB16 << 8):
+				_convert_fast<uint16_t, 4, 3, 0x0000, 0xFFFF>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_R16I | (FORMAT_RG16I << 8):
+				_convert_fast<uint16_t, 1, 2, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_R16I | (FORMAT_RGB16I << 8):
+				_convert_fast<uint16_t, 1, 3, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_R16I | (FORMAT_RGBA16I << 8):
+				_convert_fast<uint16_t, 1, 4, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RG16I | (FORMAT_R16I << 8):
+				_convert_fast<uint16_t, 2, 1, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RG16I | (FORMAT_RGB16I << 8):
+				_convert_fast<uint16_t, 2, 3, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RG16I | (FORMAT_RGBA16I << 8):
+				_convert_fast<uint16_t, 2, 4, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGB16I | (FORMAT_R16I << 8):
+				_convert_fast<uint16_t, 3, 1, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGB16I | (FORMAT_RG16I << 8):
+				_convert_fast<uint16_t, 3, 2, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGB16I | (FORMAT_RGBA16I << 8):
+				_convert_fast<uint16_t, 3, 4, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGBA16I | (FORMAT_R16I << 8):
+				_convert_fast<uint16_t, 4, 1, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGBA16I | (FORMAT_RG16I << 8):
+				_convert_fast<uint16_t, 4, 2, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
+			case FORMAT_RGBA16I | (FORMAT_RGB16I << 8):
+				_convert_fast<uint16_t, 4, 3, 0x0000, 0x0001>(mip_width, mip_height, (const uint16_t *)rptr, (uint16_t *)wptr);
+				break;
 		}
 	}
 
@@ -769,6 +865,11 @@ Image::Format Image::get_format() const {
 	return format;
 }
 
+enum ImageScaleType {
+	IMAGE_SCALING_INT,
+	IMAGE_SCALING_FLOAT,
+};
+
 static double _bicubic_interp_kernel(double x) {
 	x = Math::abs(x);
 
@@ -783,7 +884,7 @@ static double _bicubic_interp_kernel(double x) {
 	return bc;
 }
 
-template <int CC, typename T>
+template <int CC, typename T, ImageScaleType TYPE>
 static void _scale_cubic(const uint8_t *__restrict p_src, uint8_t *__restrict p_dst, uint32_t p_src_width, uint32_t p_src_height, uint32_t p_dst_width, uint32_t p_dst_height) {
 	// get source image size
 	int width = p_src_width;
@@ -845,7 +946,7 @@ static void _scale_cubic(const uint8_t *__restrict p_src, uint8_t *__restrict p_
 					const T *__restrict p = ((T *)p_src) + (oy2 * p_src_width + ox2) * CC;
 
 					for (int i = 0; i < CC; i++) {
-						if constexpr (sizeof(T) == 2) { //half float
+						if constexpr (sizeof(T) == 2 && TYPE == IMAGE_SCALING_FLOAT) { //half float
 							color[i] = Math::half_to_float(p[i]);
 						} else {
 							color[i] += p[i] * k2;
@@ -857,8 +958,12 @@ static void _scale_cubic(const uint8_t *__restrict p_src, uint8_t *__restrict p_
 			for (int i = 0; i < CC; i++) {
 				if constexpr (sizeof(T) == 1) { //byte
 					dst[i] = CLAMP(Math::fast_ftoi(color[i]), 0, 255);
-				} else if constexpr (sizeof(T) == 2) { //half float
-					dst[i] = Math::make_half_float(color[i]);
+				} else if constexpr (sizeof(T) == 2) {
+					if constexpr (TYPE == IMAGE_SCALING_FLOAT) {
+						dst[i] = Math::make_half_float(color[i]); //half float
+					} else {
+						dst[i] = CLAMP(Math::fast_ftoi(color[i]), 0, 65535); // uint16
+					}
 				} else {
 					dst[i] = color[i];
 				}
@@ -867,7 +972,7 @@ static void _scale_cubic(const uint8_t *__restrict p_src, uint8_t *__restrict p_
 	}
 }
 
-template <int CC, typename T>
+template <int CC, typename T, ImageScaleType TYPE>
 static void _scale_bilinear(const uint8_t *__restrict p_src, uint8_t *__restrict p_dst, uint32_t p_src_width, uint32_t p_src_height, uint32_t p_dst_width, uint32_t p_dst_height) {
 	constexpr uint32_t FRAC_BITS = 8;
 	constexpr uint32_t FRAC_LEN = (1 << FRAC_BITS);
@@ -915,23 +1020,40 @@ static void _scale_bilinear(const uint8_t *__restrict p_src, uint8_t *__restrict
 					uint32_t interp = interp_up + (((interp_down - interp_up) * src_yofs_frac) >> FRAC_BITS);
 					interp >>= FRAC_BITS;
 					p_dst[i * p_dst_width * CC + j * CC + l] = uint8_t(interp);
-				} else if constexpr (sizeof(T) == 2) { //half float
+				} else if constexpr (sizeof(T) == 2) {
+					if constexpr (TYPE == IMAGE_SCALING_FLOAT) { //half float
+						float xofs_frac = float(src_xofs_frac) / (1 << FRAC_BITS);
+						float yofs_frac = float(src_yofs_frac) / (1 << FRAC_BITS);
+						const T *src = ((const T *)p_src);
+						T *dst = ((T *)p_dst);
 
-					float xofs_frac = float(src_xofs_frac) / (1 << FRAC_BITS);
-					float yofs_frac = float(src_yofs_frac) / (1 << FRAC_BITS);
-					const T *src = ((const T *)p_src);
-					T *dst = ((T *)p_dst);
+						float p00 = Math::half_to_float(src[y_ofs_up + src_xofs_left + l]);
+						float p10 = Math::half_to_float(src[y_ofs_up + src_xofs_right + l]);
+						float p01 = Math::half_to_float(src[y_ofs_down + src_xofs_left + l]);
+						float p11 = Math::half_to_float(src[y_ofs_down + src_xofs_right + l]);
 
-					float p00 = Math::half_to_float(src[y_ofs_up + src_xofs_left + l]);
-					float p10 = Math::half_to_float(src[y_ofs_up + src_xofs_right + l]);
-					float p01 = Math::half_to_float(src[y_ofs_down + src_xofs_left + l]);
-					float p11 = Math::half_to_float(src[y_ofs_down + src_xofs_right + l]);
+						float interp_up = p00 + (p10 - p00) * xofs_frac;
+						float interp_down = p01 + (p11 - p01) * xofs_frac;
+						float interp = interp_up + ((interp_down - interp_up) * yofs_frac);
 
-					float interp_up = p00 + (p10 - p00) * xofs_frac;
-					float interp_down = p01 + (p11 - p01) * xofs_frac;
-					float interp = interp_up + ((interp_down - interp_up) * yofs_frac);
+						dst[i * p_dst_width * CC + j * CC + l] = Math::make_half_float(interp);
+					} else { //uint16
+						float xofs_frac = float(src_xofs_frac) / (1 << FRAC_BITS);
+						float yofs_frac = float(src_yofs_frac) / (1 << FRAC_BITS);
+						const T *src = ((const T *)p_src);
+						T *dst = ((T *)p_dst);
 
-					dst[i * p_dst_width * CC + j * CC + l] = Math::make_half_float(interp);
+						float p00 = src[y_ofs_up + src_xofs_left + l];
+						float p10 = src[y_ofs_up + src_xofs_right + l];
+						float p01 = src[y_ofs_down + src_xofs_left + l];
+						float p11 = src[y_ofs_down + src_xofs_right + l];
+
+						float interp_up = p00 + (p10 - p00) * xofs_frac;
+						float interp_down = p01 + (p11 - p01) * xofs_frac;
+						float interp = interp_up + ((interp_down - interp_up) * yofs_frac);
+
+						dst[i * p_dst_width * CC + j * CC + l] = uint16_t(interp);
+					}
 				} else if constexpr (sizeof(T) == 4) { //float
 
 					float xofs_frac = float(src_xofs_frac) / (1 << FRAC_BITS);
@@ -982,7 +1104,7 @@ static float _lanczos(float p_x) {
 	return Math::abs(p_x) >= LANCZOS_TYPE ? 0 : Math::sincn(p_x) * Math::sincn(p_x / LANCZOS_TYPE);
 }
 
-template <int CC, typename T>
+template <int CC, typename T, ImageScaleType TYPE>
 static void _scale_lanczos(const uint8_t *__restrict p_src, uint8_t *__restrict p_dst, uint32_t p_src_width, uint32_t p_src_height, uint32_t p_dst_width, uint32_t p_dst_height) {
 	int32_t src_width = p_src_width;
 	int32_t src_height = p_src_height;
@@ -1023,7 +1145,7 @@ static void _scale_lanczos(const uint8_t *__restrict p_src, uint8_t *__restrict
 					const T *__restrict src_data = ((const T *)p_src) + (buffer_y * src_width + target_x) * CC;
 
 					for (uint32_t i = 0; i < CC; i++) {
-						if constexpr (sizeof(T) == 2) { //half float
+						if constexpr (sizeof(T) == 2 && TYPE == IMAGE_SCALING_FLOAT) { //half float
 							pixel[i] += Math::half_to_float(src_data[i]) * lanczos_val;
 						} else {
 							pixel[i] += src_data[i] * lanczos_val;
@@ -1082,8 +1204,13 @@ static void _scale_lanczos(const uint8_t *__restrict p_src, uint8_t *__restrict
 
 					if constexpr (sizeof(T) == 1) { //byte
 						dst_data[i] = CLAMP(Math::fast_ftoi(pixel[i]), 0, 255);
-					} else if constexpr (sizeof(T) == 2) { //half float
-						dst_data[i] = Math::make_half_float(pixel[i]);
+					} else if constexpr (sizeof(T) == 2) {
+						if constexpr (TYPE == IMAGE_SCALING_FLOAT) { //half float
+							dst_data[i] = Math::make_half_float(pixel[i]);
+						} else { //uint16
+							dst_data[i] = CLAMP(Math::fast_ftoi(pixel[i]), 0, 65535);
+						}
+
 					} else { // float
 						dst_data[i] = pixel[i];
 					}
@@ -1226,6 +1353,21 @@ void Image::resize(int p_width, int p_height, Interpolation p_interpolation) {
 						_scale_nearest<4, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 				}
+			} else if (format >= FORMAT_R16 && format <= FORMAT_RGBA16I) {
+				switch (get_format_pixel_size(format)) {
+					case 2:
+						_scale_nearest<1, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+					case 4:
+						_scale_nearest<2, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+					case 6:
+						_scale_nearest<3, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+					case 8:
+						_scale_nearest<4, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+				}
 			}
 
 		} break;
@@ -1270,46 +1412,61 @@ void Image::resize(int p_width, int p_height, Interpolation p_interpolation) {
 				if (format >= FORMAT_L8 && format <= FORMAT_RGBA8) {
 					switch (get_format_pixel_size(format)) {
 						case 1:
-							_scale_bilinear<1, uint8_t>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<1, uint8_t, IMAGE_SCALING_INT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 						case 2:
-							_scale_bilinear<2, uint8_t>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<2, uint8_t, IMAGE_SCALING_INT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 						case 3:
-							_scale_bilinear<3, uint8_t>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<3, uint8_t, IMAGE_SCALING_INT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 						case 4:
-							_scale_bilinear<4, uint8_t>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<4, uint8_t, IMAGE_SCALING_INT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 					}
 				} else if (format >= FORMAT_RF && format <= FORMAT_RGBAF) {
 					switch (get_format_pixel_size(format)) {
 						case 4:
-							_scale_bilinear<1, float>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<1, float, IMAGE_SCALING_FLOAT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 						case 8:
-							_scale_bilinear<2, float>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<2, float, IMAGE_SCALING_FLOAT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 						case 12:
-							_scale_bilinear<3, float>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<3, float, IMAGE_SCALING_FLOAT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 						case 16:
-							_scale_bilinear<4, float>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<4, float, IMAGE_SCALING_FLOAT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 					}
 				} else if (format >= FORMAT_RH && format <= FORMAT_RGBAH) {
 					switch (get_format_pixel_size(format)) {
 						case 2:
-							_scale_bilinear<1, uint16_t>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<1, uint16_t, IMAGE_SCALING_FLOAT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 						case 4:
-							_scale_bilinear<2, uint16_t>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<2, uint16_t, IMAGE_SCALING_FLOAT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 						case 6:
-							_scale_bilinear<3, uint16_t>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<3, uint16_t, IMAGE_SCALING_FLOAT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 						case 8:
-							_scale_bilinear<4, uint16_t>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							_scale_bilinear<4, uint16_t, IMAGE_SCALING_FLOAT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							break;
+					}
+				} else if (format >= FORMAT_R16 && format <= FORMAT_RGBA16I) {
+					switch (get_format_pixel_size(format)) {
+						case 2:
+							_scale_bilinear<1, uint16_t, IMAGE_SCALING_INT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							break;
+						case 4:
+							_scale_bilinear<2, uint16_t, IMAGE_SCALING_INT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							break;
+						case 6:
+							_scale_bilinear<3, uint16_t, IMAGE_SCALING_INT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
+							break;
+						case 8:
+							_scale_bilinear<4, uint16_t, IMAGE_SCALING_INT>(src_ptr, w_ptr, src_width, src_height, p_width, p_height);
 							break;
 					}
 				}
@@ -1326,46 +1483,61 @@ void Image::resize(int p_width, int p_height, Interpolation p_interpolation) {
 			if (format >= FORMAT_L8 && format <= FORMAT_RGBA8) {
 				switch (get_format_pixel_size(format)) {
 					case 1:
-						_scale_cubic<1, uint8_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<1, uint8_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 2:
-						_scale_cubic<2, uint8_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<2, uint8_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 3:
-						_scale_cubic<3, uint8_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<3, uint8_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 4:
-						_scale_cubic<4, uint8_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<4, uint8_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 				}
 			} else if (format >= FORMAT_RF && format <= FORMAT_RGBAF) {
 				switch (get_format_pixel_size(format)) {
 					case 4:
-						_scale_cubic<1, float>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<1, float, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 8:
-						_scale_cubic<2, float>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<2, float, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 12:
-						_scale_cubic<3, float>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<3, float, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 16:
-						_scale_cubic<4, float>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<4, float, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 				}
 			} else if (format >= FORMAT_RH && format <= FORMAT_RGBAH) {
 				switch (get_format_pixel_size(format)) {
 					case 2:
-						_scale_cubic<1, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<1, uint16_t, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 4:
-						_scale_cubic<2, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<2, uint16_t, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 6:
-						_scale_cubic<3, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<3, uint16_t, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 8:
-						_scale_cubic<4, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_cubic<4, uint16_t, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+				}
+			} else if (format >= FORMAT_R16 && format <= FORMAT_RGBA16I) {
+				switch (get_format_pixel_size(format)) {
+					case 2:
+						_scale_cubic<1, uint16_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+					case 4:
+						_scale_cubic<2, uint16_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+					case 6:
+						_scale_cubic<3, uint16_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+					case 8:
+						_scale_cubic<4, uint16_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 				}
 			}
@@ -1374,46 +1546,61 @@ void Image::resize(int p_width, int p_height, Interpolation p_interpolation) {
 			if (format >= FORMAT_L8 && format <= FORMAT_RGBA8) {
 				switch (get_format_pixel_size(format)) {
 					case 1:
-						_scale_lanczos<1, uint8_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<1, uint8_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 2:
-						_scale_lanczos<2, uint8_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<2, uint8_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 3:
-						_scale_lanczos<3, uint8_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<3, uint8_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 4:
-						_scale_lanczos<4, uint8_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<4, uint8_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 				}
 			} else if (format >= FORMAT_RF && format <= FORMAT_RGBAF) {
 				switch (get_format_pixel_size(format)) {
 					case 4:
-						_scale_lanczos<1, float>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<1, float, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 8:
-						_scale_lanczos<2, float>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<2, float, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 12:
-						_scale_lanczos<3, float>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<3, float, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 16:
-						_scale_lanczos<4, float>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<4, float, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 				}
 			} else if (format >= FORMAT_RH && format <= FORMAT_RGBAH) {
 				switch (get_format_pixel_size(format)) {
 					case 2:
-						_scale_lanczos<1, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<1, uint16_t, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 4:
-						_scale_lanczos<2, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<2, uint16_t, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 6:
-						_scale_lanczos<3, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<3, uint16_t, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 					case 8:
-						_scale_lanczos<4, uint16_t>(r_ptr, w_ptr, width, height, p_width, p_height);
+						_scale_lanczos<4, uint16_t, IMAGE_SCALING_FLOAT>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+				}
+			} else if (format >= FORMAT_R16 && format <= FORMAT_RGBA16I) {
+				switch (get_format_pixel_size(format)) {
+					case 2:
+						_scale_lanczos<1, uint16_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+					case 4:
+						_scale_lanczos<2, uint16_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+					case 6:
+						_scale_lanczos<3, uint16_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
+						break;
+					case 8:
+						_scale_lanczos<4, uint16_t, IMAGE_SCALING_INT>(r_ptr, w_ptr, width, height, p_width, p_height);
 						break;
 				}
 			}
@@ -1782,7 +1969,7 @@ static void _generate_po2_mipmap(const Component *p_src, Component *p_dst, uint3
 				average_func(dst_ptr[j], rup_ptr[j], rup_ptr[j + right_step], rdown_ptr[j], rdown_ptr[j + right_step]);
 			}
 
-			if (renormalize) {
+			if constexpr (renormalize) {
 				renormalize_func(dst_ptr);
 			}
 
@@ -1828,6 +2015,12 @@ void Image::_generate_mipmap_from_format(Image::Format p_format, const uint8_t *
 				_generate_po2_mipmap<uint8_t, 4, false, Image::average_4_uint8, Image::renormalize_uint8>(p_src, p_dst, p_width, p_height);
 			}
 		} break;
+		case Image::FORMAT_RGBA4444: {
+			_generate_po2_mipmap<uint16_t, 1, false, Image::average_4_rgba4444, nullptr>(src_u16, dst_u16, p_width, p_height);
+		} break;
+		case Image::FORMAT_RGB565: {
+			_generate_po2_mipmap<uint16_t, 1, false, Image::average_4_rgb565, nullptr>(src_u16, dst_u16, p_width, p_height);
+		} break;
 		case Image::FORMAT_RF:
 			_generate_po2_mipmap<float, 1, false, Image::average_4_float, Image::renormalize_float>(src_float, dst_float, p_width, p_height);
 			break;
@@ -1869,8 +2062,32 @@ void Image::_generate_mipmap_from_format(Image::Format p_format, const uint8_t *
 			}
 		} break;
 		case Image::FORMAT_RGBE9995:
-			_generate_po2_mipmap<uint32_t, 1, false, Image::average_4_rgbe9995, Image::renormalize_rgbe9995>(src_u32, dst_u32, p_width, p_height);
+			_generate_po2_mipmap<uint32_t, 1, false, Image::average_4_rgbe9995, nullptr>(src_u32, dst_u32, p_width, p_height);
 			break;
+		case Image::FORMAT_R16:
+		case Image::FORMAT_R16I:
+			_generate_po2_mipmap<uint16_t, 1, false, Image::average_4_uint16, Image::renormalize_uint16>(src_u16, dst_u16, p_width, p_height);
+			break;
+		case Image::FORMAT_RG16:
+		case Image::FORMAT_RG16I:
+			_generate_po2_mipmap<uint16_t, 2, false, Image::average_4_uint16, Image::renormalize_uint16>(src_u16, dst_u16, p_width, p_height);
+			break;
+		case Image::FORMAT_RGB16:
+		case Image::FORMAT_RGB16I: {
+			if (p_renormalize) {
+				_generate_po2_mipmap<uint16_t, 3, true, Image::average_4_uint16, Image::renormalize_uint16>(src_u16, dst_u16, p_width, p_height);
+			} else {
+				_generate_po2_mipmap<uint16_t, 3, false, Image::average_4_uint16, Image::renormalize_uint16>(src_u16, dst_u16, p_width, p_height);
+			}
+		} break;
+		case Image::FORMAT_RGBA16:
+		case Image::FORMAT_RGBA16I: {
+			if (p_renormalize) {
+				_generate_po2_mipmap<uint16_t, 4, true, Image::average_4_uint16, Image::renormalize_uint16>(src_u16, dst_u16, p_width, p_height);
+			} else {
+				_generate_po2_mipmap<uint16_t, 4, false, Image::average_4_uint16, Image::renormalize_uint16>(src_u16, dst_u16, p_width, p_height);
+			}
+		} break;
 
 		default:
 			return;
@@ -1930,7 +2147,6 @@ void Image::normalize() {
 
 Error Image::generate_mipmaps(bool p_renormalize) {
 	ERR_FAIL_COND_V_MSG(is_compressed(), ERR_UNAVAILABLE, "Cannot generate mipmaps from compressed image formats.");
-	ERR_FAIL_COND_V_MSG(format == FORMAT_RGBA4444, ERR_UNAVAILABLE, "Cannot generate mipmaps from RGBA4444 format.");
 	ERR_FAIL_COND_V_MSG(width == 0 || height == 0, ERR_UNCONFIGURED, "Cannot generate mipmaps with width or height equal to 0.");
 
 	int gen_mipmap_count;
@@ -2468,6 +2684,17 @@ bool Image::is_invisible() const {
 				}
 			}
 		} break;
+		case FORMAT_RGBA16:
+		case FORMAT_RGBA16I: {
+			const int pixel_count = len / 8;
+			const uint16_t *pixeldata = reinterpret_cast<const uint16_t *>(data.ptr());
+
+			for (int i = 0; i < pixel_count; i++) {
+				if (pixeldata[i * 4 + 3] != 0) {
+					return false;
+				}
+			}
+		} break;
 		default: {
 			// Formats that are compressed or don't support alpha channels are presumed to be visible.
 			return false;
@@ -2671,7 +2898,7 @@ bool Image::is_compressed() const {
 }
 
 bool Image::is_format_compressed(Format p_format) {
-	return p_format > FORMAT_RGBE9995;
+	return p_format > FORMAT_RGBE9995 && p_format < FORMAT_R16;
 }
 
 Error Image::decompress() {
@@ -2902,20 +3129,17 @@ void Image::blit_rect(const Ref<Image> &p_src, const Rect2i &p_src_rect, const P
 
 	int pixel_size = get_format_pixel_size(format);
 
-	for (int i = 0; i < dest_rect.size.y; i++) {
-		for (int j = 0; j < dest_rect.size.x; j++) {
-			int src_x = src_rect.position.x + j;
-			int src_y = src_rect.position.y + i;
-
-			int dst_x = dest_rect.position.x + j;
-			int dst_y = dest_rect.position.y + i;
-
-			const uint8_t *src = &src_data_ptr[(src_y * p_src->width + src_x) * pixel_size];
-			uint8_t *dst = &dst_data_ptr[(dst_y * width + dst_x) * pixel_size];
-
-			for (int k = 0; k < pixel_size; k++) {
-				dst[k] = src[k];
-			}
+	// If the rect width is equivalent for both src and dst and the x offset is 0, we can blit in a single memcpy.
+	// Else, we do a per-line copy.
+	if ((dest_rect.size.x == p_src->width) && (p_src->width == width) && (dest_rect.position.x == 0) && (src_rect.position.x == 0)) {
+		const uint8_t *src = &src_data_ptr[(src_rect.position.y * p_src->width) * pixel_size];
+		uint8_t *dst = &dst_data_ptr[(dest_rect.position.y * width) * pixel_size];
+		memcpy(dst, src, width * dest_rect.size.y * pixel_size);
+	} else {
+		for (int i = 0; i < dest_rect.size.y; i++) {
+			const uint8_t *src = &src_data_ptr[((src_rect.position.y + i) * p_src->width + src_rect.position.x) * pixel_size];
+			uint8_t *dst = &dst_data_ptr[((dest_rect.position.y + i) * width + dest_rect.position.x) * pixel_size];
+			memcpy(dst, src, pixel_size * dest_rect.size.x);
 		}
 	}
 }
@@ -3071,13 +3295,13 @@ void Image::fill(const Color &p_color) {
 	ERR_FAIL_COND_MSG(is_compressed(), "Cannot fill in compressed image formats.");
 
 	uint8_t *dst_data_ptr = data.ptrw();
-
 	int pixel_size = get_format_pixel_size(format);
+	int64_t pixel_count = data.size() / pixel_size;
 
 	// Put first pixel with the format-aware API.
 	_set_color_at_ofs(dst_data_ptr, 0, p_color);
 
-	_repeat_pixel_over_subsequent_memory(dst_data_ptr, pixel_size, width * height);
+	_repeat_pixel_over_subsequent_memory(dst_data_ptr, pixel_size, pixel_count);
 }
 
 void Image::fill_rect(const Rect2i &p_rect, const Color &p_color) {
@@ -3157,6 +3381,42 @@ void Image::_copy_internals_from(const Image &p_image) {
 	data = p_image.data;
 }
 
+_FORCE_INLINE_ Color color_from_rgba4444(uint16_t p_col) {
+	float r = ((p_col >> 12) & 0xF) / 15.0;
+	float g = ((p_col >> 8) & 0xF) / 15.0;
+	float b = ((p_col >> 4) & 0xF) / 15.0;
+	float a = (p_col & 0xF) / 15.0;
+	return Color(r, g, b, a);
+}
+
+_FORCE_INLINE_ uint16_t color_to_rgba4444(Color p_col) {
+	uint16_t rgba = 0;
+
+	rgba = uint16_t(CLAMP(p_col.r * 15.0, 0, 15)) << 12;
+	rgba |= uint16_t(CLAMP(p_col.g * 15.0, 0, 15)) << 8;
+	rgba |= uint16_t(CLAMP(p_col.b * 15.0, 0, 15)) << 4;
+	rgba |= uint16_t(CLAMP(p_col.a * 15.0, 0, 15));
+
+	return rgba;
+}
+
+_FORCE_INLINE_ Color color_from_rgb565(uint16_t p_col) {
+	float r = ((p_col >> 11) & 0x1F) / 31.0;
+	float g = ((p_col >> 5) & 0x3F) / 63.0;
+	float b = (p_col & 0x1F) / 31.0;
+	return Color(r, g, b, 1.0);
+}
+
+_FORCE_INLINE_ uint16_t color_to_rgb565(Color p_col) {
+	uint16_t rgba = 0;
+
+	rgba = uint16_t(CLAMP(p_col.r * 31.0, 0, 31)) << 11;
+	rgba |= uint16_t(CLAMP(p_col.g * 63.0, 0, 63)) << 5;
+	rgba |= uint16_t(CLAMP(p_col.b * 31.0, 0, 31));
+
+	return rgba;
+}
+
 Color Image::_get_color_at_ofs(const uint8_t *ptr, uint32_t ofs) const {
 	switch (format) {
 		case FORMAT_L8: {
@@ -3191,19 +3451,10 @@ Color Image::_get_color_at_ofs(const uint8_t *ptr, uint32_t ofs) const {
 			return Color(r, g, b, a);
 		}
 		case FORMAT_RGBA4444: {
-			uint16_t u = ((uint16_t *)ptr)[ofs];
-			float r = ((u >> 12) & 0xF) / 15.0;
-			float g = ((u >> 8) & 0xF) / 15.0;
-			float b = ((u >> 4) & 0xF) / 15.0;
-			float a = (u & 0xF) / 15.0;
-			return Color(r, g, b, a);
+			return color_from_rgba4444(((uint16_t *)ptr)[ofs]);
 		}
 		case FORMAT_RGB565: {
-			uint16_t u = ((uint16_t *)ptr)[ofs];
-			float r = ((u >> 11) & 0x1F) / 31.0;
-			float g = ((u >> 5) & 0x3F) / 63.0;
-			float b = (u & 0x1F) / 31.0;
-			return Color(r, g, b, 1.0);
+			return color_from_rgb565(((uint16_t *)ptr)[ofs]);
 		}
 		case FORMAT_RF: {
 			float r = ((float *)ptr)[ofs];
@@ -3252,6 +3503,50 @@ Color Image::_get_color_at_ofs(const uint8_t *ptr, uint32_t ofs) const {
 		case FORMAT_RGBE9995: {
 			return Color::from_rgbe9995(((uint32_t *)ptr)[ofs]);
 		}
+		case FORMAT_R16: {
+			float r = ((uint16_t *)ptr)[ofs] / 65535.0f;
+			return Color(r, 0, 0, 1);
+		}
+		case FORMAT_RG16: {
+			float r = ((uint16_t *)ptr)[ofs * 2 + 0] / 65535.0f;
+			float g = ((uint16_t *)ptr)[ofs * 2 + 1] / 65535.0f;
+			return Color(r, g, 0, 1);
+		}
+		case FORMAT_RGB16: {
+			float r = ((uint16_t *)ptr)[ofs * 3 + 0] / 65535.0f;
+			float g = ((uint16_t *)ptr)[ofs * 3 + 1] / 65535.0f;
+			float b = ((uint16_t *)ptr)[ofs * 3 + 2] / 65535.0f;
+			return Color(r, g, b, 1);
+		}
+		case FORMAT_RGBA16: {
+			float r = ((uint16_t *)ptr)[ofs * 4 + 0] / 65535.0f;
+			float g = ((uint16_t *)ptr)[ofs * 4 + 1] / 65535.0f;
+			float b = ((uint16_t *)ptr)[ofs * 4 + 2] / 65535.0f;
+			float a = ((uint16_t *)ptr)[ofs * 4 + 3] / 65535.0f;
+			return Color(r, g, b, a);
+		}
+		case FORMAT_R16I: {
+			uint16_t r = ((uint16_t *)ptr)[ofs];
+			return Color(r, 0, 0, 1);
+		}
+		case FORMAT_RG16I: {
+			uint16_t r = ((uint16_t *)ptr)[ofs * 2 + 0];
+			uint16_t g = ((uint16_t *)ptr)[ofs * 2 + 1];
+			return Color(r, g, 0, 1);
+		}
+		case FORMAT_RGB16I: {
+			uint16_t r = ((uint16_t *)ptr)[ofs * 3 + 0];
+			uint16_t g = ((uint16_t *)ptr)[ofs * 3 + 1];
+			uint16_t b = ((uint16_t *)ptr)[ofs * 3 + 2];
+			return Color(r, g, b, 1);
+		}
+		case FORMAT_RGBA16I: {
+			uint16_t r = ((uint16_t *)ptr)[ofs * 4 + 0];
+			uint16_t g = ((uint16_t *)ptr)[ofs * 4 + 1];
+			uint16_t b = ((uint16_t *)ptr)[ofs * 4 + 2];
+			uint16_t a = ((uint16_t *)ptr)[ofs * 4 + 3];
+			return Color(r, g, b, a);
+		}
 
 		default: {
 			ERR_FAIL_V_MSG(Color(), "Can't get_pixel() on compressed image, sorry.");
@@ -3287,23 +3582,10 @@ void Image::_set_color_at_ofs(uint8_t *ptr, uint32_t ofs, const Color &p_color)
 			ptr[ofs * 4 + 3] = uint8_t(CLAMP(p_color.a * 255.0, 0, 255));
 		} break;
 		case FORMAT_RGBA4444: {
-			uint16_t rgba = 0;
-
-			rgba = uint16_t(CLAMP(p_color.r * 15.0, 0, 15)) << 12;
-			rgba |= uint16_t(CLAMP(p_color.g * 15.0, 0, 15)) << 8;
-			rgba |= uint16_t(CLAMP(p_color.b * 15.0, 0, 15)) << 4;
-			rgba |= uint16_t(CLAMP(p_color.a * 15.0, 0, 15));
-
-			((uint16_t *)ptr)[ofs] = rgba;
+			((uint16_t *)ptr)[ofs] = color_to_rgba4444(p_color);
 		} break;
 		case FORMAT_RGB565: {
-			uint16_t rgba = 0;
-
-			rgba = uint16_t(CLAMP(p_color.r * 31.0, 0, 31)) << 11;
-			rgba |= uint16_t(CLAMP(p_color.g * 63.0, 0, 63)) << 5;
-			rgba |= uint16_t(CLAMP(p_color.b * 31.0, 0, 31));
-
-			((uint16_t *)ptr)[ofs] = rgba;
+			((uint16_t *)ptr)[ofs] = color_to_rgb565(p_color);
 		} break;
 		case FORMAT_RF: {
 			((float *)ptr)[ofs] = p_color.r;
@@ -3344,6 +3626,42 @@ void Image::_set_color_at_ofs(uint8_t *ptr, uint32_t ofs, const Color &p_color)
 		case FORMAT_RGBE9995: {
 			((uint32_t *)ptr)[ofs] = p_color.to_rgbe9995();
 		} break;
+		case FORMAT_R16: {
+			((uint16_t *)ptr)[ofs] = uint16_t(CLAMP(p_color.r * 65535.0, 0, 65535));
+		} break;
+		case FORMAT_RG16: {
+			((uint16_t *)ptr)[ofs * 2 + 0] = uint16_t(CLAMP(p_color.r * 65535.0, 0, 65535));
+			((uint16_t *)ptr)[ofs * 2 + 1] = uint16_t(CLAMP(p_color.g * 65535.0, 0, 65535));
+		} break;
+		case FORMAT_RGB16: {
+			((uint16_t *)ptr)[ofs * 3 + 0] = uint16_t(CLAMP(p_color.r * 65535.0, 0, 65535));
+			((uint16_t *)ptr)[ofs * 3 + 1] = uint16_t(CLAMP(p_color.g * 65535.0, 0, 65535));
+			((uint16_t *)ptr)[ofs * 3 + 2] = uint16_t(CLAMP(p_color.b * 65535.0, 0, 65535));
+		} break;
+		case FORMAT_RGBA16: {
+			((uint16_t *)ptr)[ofs * 4 + 0] = uint16_t(CLAMP(p_color.r * 65535.0, 0, 65535));
+			((uint16_t *)ptr)[ofs * 4 + 1] = uint16_t(CLAMP(p_color.g * 65535.0, 0, 65535));
+			((uint16_t *)ptr)[ofs * 4 + 2] = uint16_t(CLAMP(p_color.b * 65535.0, 0, 65535));
+			((uint16_t *)ptr)[ofs * 4 + 3] = uint16_t(CLAMP(p_color.a * 65535.0, 0, 65535));
+		} break;
+		case FORMAT_R16I: {
+			((uint16_t *)ptr)[ofs] = uint16_t(CLAMP(p_color.r, 0, 65535));
+		} break;
+		case FORMAT_RG16I: {
+			((uint16_t *)ptr)[ofs * 2 + 0] = uint16_t(CLAMP(p_color.r, 0, 65535));
+			((uint16_t *)ptr)[ofs * 2 + 1] = uint16_t(CLAMP(p_color.g, 0, 65535));
+		} break;
+		case FORMAT_RGB16I: {
+			((uint16_t *)ptr)[ofs * 3 + 0] = uint16_t(CLAMP(p_color.r, 0, 65535));
+			((uint16_t *)ptr)[ofs * 3 + 1] = uint16_t(CLAMP(p_color.g, 0, 65535));
+			((uint16_t *)ptr)[ofs * 3 + 2] = uint16_t(CLAMP(p_color.b, 0, 65535));
+		} break;
+		case FORMAT_RGBA16I: {
+			((uint16_t *)ptr)[ofs * 4 + 0] = uint16_t(CLAMP(p_color.r, 0, 65535));
+			((uint16_t *)ptr)[ofs * 4 + 1] = uint16_t(CLAMP(p_color.g, 0, 65535));
+			((uint16_t *)ptr)[ofs * 4 + 2] = uint16_t(CLAMP(p_color.b, 0, 65535));
+			((uint16_t *)ptr)[ofs * 4 + 3] = uint16_t(CLAMP(p_color.a, 0, 65535));
+		} break;
 
 		default: {
 			ERR_FAIL_MSG("Can't set_pixel() on compressed image, sorry.");
@@ -3419,11 +3737,11 @@ Image::UsedChannels Image::detect_used_channels(CompressSource p_source) const {
 
 	if (format == FORMAT_L8) {
 		return USED_CHANNELS_L; // Grayscale only cannot have any channel less.
-	} else if (format == FORMAT_R8 || format == FORMAT_RH || format == FORMAT_RF) {
+	} else if (format == FORMAT_R8 || format == FORMAT_RH || format == FORMAT_RF || format == FORMAT_R16 || format == FORMAT_R16I) {
 		return USED_CHANNELS_R; // Red only cannot have any channel less.
 	}
 
-	const bool supports_alpha = format == FORMAT_RGBA8 || format == FORMAT_RGBA4444 || format == FORMAT_RGBAH || format == FORMAT_RGBAF;
+	const bool supports_alpha = format == FORMAT_RGBA8 || format == FORMAT_RGBA4444 || format == FORMAT_RGBAH || format == FORMAT_RGBAF || format == FORMAT_RGBA16 || format == FORMAT_RGBA16I;
 	bool r = false, g = false, b = false, a = false, c = false;
 
 	const uint8_t *data_ptr = data.ptr();
@@ -3657,6 +3975,14 @@ void Image::_bind_methods() {
 	BIND_ENUM_CONSTANT(FORMAT_ASTC_4x4_HDR);
 	BIND_ENUM_CONSTANT(FORMAT_ASTC_8x8);
 	BIND_ENUM_CONSTANT(FORMAT_ASTC_8x8_HDR);
+	BIND_ENUM_CONSTANT(FORMAT_R16);
+	BIND_ENUM_CONSTANT(FORMAT_RG16);
+	BIND_ENUM_CONSTANT(FORMAT_RGB16);
+	BIND_ENUM_CONSTANT(FORMAT_RGBA16);
+	BIND_ENUM_CONSTANT(FORMAT_R16I);
+	BIND_ENUM_CONSTANT(FORMAT_RG16I);
+	BIND_ENUM_CONSTANT(FORMAT_RGB16I);
+	BIND_ENUM_CONSTANT(FORMAT_RGBA16I);
 	BIND_ENUM_CONSTANT(FORMAT_MAX);
 
 	BIND_ENUM_CONSTANT(INTERPOLATE_NEAREST);
@@ -4070,6 +4396,22 @@ uint32_t Image::get_format_component_mask(Format p_format) {
 			return rgba;
 		case FORMAT_ASTC_8x8_HDR:
 			return rgba;
+		case FORMAT_R16:
+			return r;
+		case FORMAT_RG16:
+			return rg;
+		case FORMAT_RGB16:
+			return rgb;
+		case FORMAT_RGBA16:
+			return rgba;
+		case FORMAT_R16I:
+			return r;
+		case FORMAT_RG16I:
+			return rg;
+		case FORMAT_RGB16I:
+			return rgb;
+		case FORMAT_RGBA16I:
+			return rgba;
 		default:
 			ERR_PRINT("Unhandled format.");
 			return rgba;
@@ -4213,6 +4555,18 @@ void Image::average_4_rgbe9995(uint32_t &p_out, const uint32_t &p_a, const uint3
 	p_out = ((Color::from_rgbe9995(p_a) + Color::from_rgbe9995(p_b) + Color::from_rgbe9995(p_c) + Color::from_rgbe9995(p_d)) * 0.25f).to_rgbe9995();
 }
 
+void Image::average_4_uint16(uint16_t &p_out, const uint16_t &p_a, const uint16_t &p_b, const uint16_t &p_c, const uint16_t &p_d) {
+	p_out = static_cast<uint16_t>((p_a + p_b + p_c + p_d + 2) >> 2);
+}
+
+void Image::average_4_rgba4444(uint16_t &p_out, const uint16_t &p_a, const uint16_t &p_b, const uint16_t &p_c, const uint16_t &p_d) {
+	p_out = color_to_rgba4444((color_from_rgba4444(p_a) + color_from_rgba4444(p_b) + color_from_rgba4444(p_c) + color_from_rgba4444(p_d)) * 0.25f);
+}
+
+void Image::average_4_rgb565(uint16_t &p_out, const uint16_t &p_a, const uint16_t &p_b, const uint16_t &p_c, const uint16_t &p_d) {
+	p_out = color_to_rgb565((color_from_rgb565(p_a) + color_from_rgb565(p_b) + color_from_rgb565(p_c) + color_from_rgb565(p_d)) * 0.25f);
+}
+
 void Image::renormalize_uint8(uint8_t *p_rgb) {
 	Vector3 n(p_rgb[0] / 255.0, p_rgb[1] / 255.0, p_rgb[2] / 255.0);
 	n *= 2.0;
@@ -4242,8 +4596,17 @@ void Image::renormalize_half(uint16_t *p_rgb) {
 	p_rgb[2] = Math::make_half_float(n.z);
 }
 
-void Image::renormalize_rgbe9995(uint32_t *p_rgb) {
-	// Never used.
+void Image::renormalize_uint16(uint16_t *p_rgb) {
+	Vector3 n(p_rgb[0] / 65535.0, p_rgb[1] / 65535.0, p_rgb[2] / 65535.0);
+	n *= 2.0;
+	n -= Vector3(1, 1, 1);
+	n.normalize();
+	n += Vector3(1, 1, 1);
+	n *= 0.5;
+	n *= 65535;
+	p_rgb[0] = CLAMP(int(n.x), 0, 65535);
+	p_rgb[1] = CLAMP(int(n.y), 0, 65535);
+	p_rgb[2] = CLAMP(int(n.z), 0, 65535);
 }
 
 Image::Image(const uint8_t *p_mem_png_jpg, int p_len) {

core/io/image.h

@@ -111,6 +111,14 @@ public:
 		FORMAT_ASTC_4x4_HDR,
 		FORMAT_ASTC_8x8,
 		FORMAT_ASTC_8x8_HDR,
+		FORMAT_R16,
+		FORMAT_RG16,
+		FORMAT_RGB16,
+		FORMAT_RGBA16,
+		FORMAT_R16I,
+		FORMAT_RG16I,
+		FORMAT_RGB16I,
+		FORMAT_RGBA16I,
 		FORMAT_MAX
 	};
 
@@ -282,10 +290,14 @@ private:
 	static void average_4_float(float &p_out, const float &p_a, const float &p_b, const float &p_c, const float &p_d);
 	static void average_4_half(uint16_t &p_out, const uint16_t &p_a, const uint16_t &p_b, const uint16_t &p_c, const uint16_t &p_d);
 	static void average_4_rgbe9995(uint32_t &p_out, const uint32_t &p_a, const uint32_t &p_b, const uint32_t &p_c, const uint32_t &p_d);
+	static void average_4_uint16(uint16_t &p_out, const uint16_t &p_a, const uint16_t &p_b, const uint16_t &p_c, const uint16_t &p_d);
+	static void average_4_rgba4444(uint16_t &p_out, const uint16_t &p_a, const uint16_t &p_b, const uint16_t &p_c, const uint16_t &p_d);
+	static void average_4_rgb565(uint16_t &p_out, const uint16_t &p_a, const uint16_t &p_b, const uint16_t &p_c, const uint16_t &p_d);
+
 	static void renormalize_uint8(uint8_t *p_rgb);
 	static void renormalize_float(float *p_rgb);
 	static void renormalize_half(uint16_t *p_rgb);
-	static void renormalize_rgbe9995(uint32_t *p_rgb);
+	static void renormalize_uint16(uint16_t *p_rgb);
 
 public:
 	int get_width() const;

core/io/image_loader.h

@@ -101,6 +101,8 @@ public:
 };
 
 class ResourceFormatLoaderImage : public ResourceFormatLoader {
+	GDSOFTCLASS(ResourceFormatLoaderImage, ResourceFormatLoader);
+
 public:
 	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
 	virtual void get_recognized_extensions(List<String> *p_extensions) const override;

core/io/json.cpp

@@ -31,6 +31,7 @@
 #include "json.h"
 
 #include "core/config/engine.h"
+#include "core/io/file_access.h"
 #include "core/object/script_language.h"
 #include "core/variant/container_type_validate.h"
 
@@ -82,11 +83,18 @@ void JSON::_stringify(String &r_result, const Variant &p_var, const String &p_in
 				return;
 			}
 
-			const double magnitude = std::log10(Math::abs(num));
-			const int total_digits = p_full_precision ? 17 : 14;
-			const int precision = MAX(1, total_digits - (int)Math::floor(magnitude));
-
-			r_result += String::num(num, precision);
+			if (p_full_precision) {
+				const String num_sci = String::num_scientific(num);
+				if (num_sci.contains_char('.') || num_sci.contains_char('e')) {
+					r_result += num_sci;
+				} else {
+					r_result += num_sci + ".0";
+				}
+			} else {
+				const double magnitude = std::log10(Math::abs(num));
+				const int precision = MAX(1, 14 - (int)Math::floor(magnitude));
+				r_result += String::num(num, precision);
+			}
 			return;
 		}
 		case Variant::PACKED_INT32_ARRAY:

core/io/json.h

@@ -107,6 +107,8 @@ public:
 };
 
 class ResourceFormatLoaderJSON : public ResourceFormatLoader {
+	GDSOFTCLASS(ResourceFormatLoaderJSON, ResourceFormatLoader);
+
 public:
 	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
 	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
@@ -119,6 +121,8 @@ public:
 };
 
 class ResourceFormatSaverJSON : public ResourceFormatSaver {
+	GDSOFTCLASS(ResourceFormatSaverJSON, ResourceFormatSaver);
+
 public:
 	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
 	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;

core/io/logger.cpp

@@ -32,6 +32,8 @@
 
 #include "core/core_globals.h"
 #include "core/io/dir_access.h"
+#include "core/io/file_access.h"
+#include "core/object/script_backtrace.h"
 #include "core/os/time.h"
 #include "core/templates/rb_set.h"
 

core/io/logger.h

@@ -30,14 +30,15 @@
 
 #pragma once
 
-#include "core/io/file_access.h"
-#include "core/object/script_backtrace.h"
+#include "core/object/ref_counted.h"
 #include "core/string/ustring.h"
 #include "core/templates/vector.h"
 
 #include <cstdarg>
 
+class FileAccess;
 class RegEx;
+class ScriptBacktrace;
 
 class Logger {
 protected:

core/io/net_socket.h

@@ -34,6 +34,8 @@
 #include "core/object/ref_counted.h"
 
 class NetSocket : public RefCounted {
+	GDSOFTCLASS(NetSocket, RefCounted);
+
 protected:
 	static NetSocket *(*_create)();
 
@@ -52,21 +54,61 @@ public:
 		TYPE_UDP,
 	};
 
-	virtual Error open(Type p_type, IP::Type &ip_type) = 0;
+	enum class Family {
+		NONE,
+		INET,
+		UNIX,
+	};
+
+	class Address {
+		Family _family = Family::NONE;
+		CharString _path;
+		IPAddress _ip;
+		uint16_t _port = 0;
+
+	public:
+		_FORCE_INLINE_ Family get_family() const { return _family; }
+		_FORCE_INLINE_ bool is_inet() const { return _family == Family::INET; }
+		_FORCE_INLINE_ bool is_unix() const { return _family == Family::UNIX; }
+		_FORCE_INLINE_ bool is_valid() const { return is_inet() || is_unix(); }
+
+		_FORCE_INLINE_ const IPAddress &ip() const { return _ip; }
+		_FORCE_INLINE_ const uint16_t &port() const { return _port; }
+
+		_FORCE_INLINE_ const CharString &get_path() const { return _path; }
+
+		Address() {}
+
+		Address(const IPAddress &p_addr, uint16_t p_port) :
+				_family(Family::INET) {
+			_ip = p_addr;
+			_port = p_port;
+		}
+
+		Address(const String &p_path) :
+				_family(Family::UNIX), _path(p_path.utf8()) {
+		}
+
+		Address(const CharString &p_path) :
+				_family(Family::UNIX), _path(p_path) {
+		}
+	};
+
+	virtual Error open(Family p_family, Type p_type, IP::Type &r_ip_type) = 0;
 	virtual void close() = 0;
-	virtual Error bind(IPAddress p_addr, uint16_t p_port) = 0;
+	virtual Error bind(Address p_addr) = 0;
 	virtual Error listen(int p_max_pending) = 0;
-	virtual Error connect_to_host(IPAddress p_addr, uint16_t p_port) = 0;
+	virtual Error connect_to_host(Address p_addr) = 0;
 	virtual Error poll(PollType p_type, int timeout) const = 0;
 	virtual Error recv(uint8_t *p_buffer, int p_len, int &r_read) = 0;
 	virtual Error recvfrom(uint8_t *p_buffer, int p_len, int &r_read, IPAddress &r_ip, uint16_t &r_port, bool p_peek = false) = 0;
 	virtual Error send(const uint8_t *p_buffer, int p_len, int &r_sent) = 0;
 	virtual Error sendto(const uint8_t *p_buffer, int p_len, int &r_sent, IPAddress p_ip, uint16_t p_port) = 0;
-	virtual Ref<NetSocket> accept(IPAddress &r_ip, uint16_t &r_port) = 0;
+	virtual Ref<NetSocket> accept(Address &r_addr) = 0;
 
 	virtual bool is_open() const = 0;
 	virtual int get_available_bytes() const = 0;
-	virtual Error get_socket_address(IPAddress *r_ip, uint16_t *r_port) const = 0;
+	virtual Error get_socket_address(Address *r_addr) const = 0;
 
 	virtual Error set_broadcasting_enabled(bool p_enabled) = 0; // Returns OK if the socket option has been set successfully.
 	virtual void set_blocking_enabled(bool p_enabled) = 0;

core/io/packet_peer_udp.cpp

@@ -52,7 +52,7 @@ Error PacketPeerUDP::join_multicast_group(IPAddress p_multi_address, const Strin
 
 	if (!_sock->is_open()) {
 		IP::Type ip_type = p_multi_address.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
-		Error err = _sock->open(NetSocket::TYPE_UDP, ip_type);
+		Error err = _sock->open(NetSocket::Family::INET, NetSocket::TYPE_UDP, ip_type);
 		ERR_FAIL_COND_V(err != OK, err);
 		_sock->set_blocking_enabled(false);
 		_sock->set_broadcasting_enabled(broadcast);
@@ -141,7 +141,7 @@ Error PacketPeerUDP::put_packet(const uint8_t *p_buffer, int p_buffer_size) {
 
 	if (!_sock->is_open()) {
 		IP::Type ip_type = peer_addr.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
-		err = _sock->open(NetSocket::TYPE_UDP, ip_type);
+		err = _sock->open(NetSocket::Family::INET, NetSocket::TYPE_UDP, ip_type);
 		ERR_FAIL_COND_V(err != OK, err);
 		_sock->set_blocking_enabled(false);
 		_sock->set_broadcasting_enabled(broadcast);
@@ -186,7 +186,7 @@ Error PacketPeerUDP::bind(int p_port, const IPAddress &p_bind_address, int p_rec
 		ip_type = p_bind_address.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
 	}
 
-	err = _sock->open(NetSocket::TYPE_UDP, ip_type);
+	err = _sock->open(NetSocket::Family::INET, NetSocket::TYPE_UDP, ip_type);
 
 	if (err != OK) {
 		return ERR_CANT_CREATE;
@@ -194,7 +194,8 @@ Error PacketPeerUDP::bind(int p_port, const IPAddress &p_bind_address, int p_rec
 
 	_sock->set_blocking_enabled(false);
 	_sock->set_broadcasting_enabled(broadcast);
-	err = _sock->bind(p_bind_address, p_port);
+	NetSocket::Address addr(p_bind_address, p_port);
+	err = _sock->bind(addr);
 
 	if (err != OK) {
 		_sock->close();
@@ -231,12 +232,13 @@ Error PacketPeerUDP::connect_to_host(const IPAddress &p_host, int p_port) {
 
 	if (!_sock->is_open()) {
 		IP::Type ip_type = p_host.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
-		err = _sock->open(NetSocket::TYPE_UDP, ip_type);
+		err = _sock->open(NetSocket::Family::INET, NetSocket::TYPE_UDP, ip_type);
 		ERR_FAIL_COND_V(err != OK, ERR_CANT_OPEN);
 		_sock->set_blocking_enabled(false);
 	}
 
-	err = _sock->connect_to_host(p_host, p_port);
+	NetSocket::Address addr(p_host, p_port);
+	err = _sock->connect_to_host(addr);
 
 	// I see no reason why we should get ERR_BUSY (wouldblock/eagain) here.
 	// This is UDP, so connect is only used to tell the OS to which socket
@@ -345,9 +347,9 @@ int PacketPeerUDP::get_packet_port() const {
 }
 
 int PacketPeerUDP::get_local_port() const {
-	uint16_t local_port;
-	_sock->get_socket_address(nullptr, &local_port);
-	return local_port;
+	NetSocket::Address addr;
+	_sock->get_socket_address(&addr);
+	return addr.port();
 }
 
 void PacketPeerUDP::set_dest_address(const IPAddress &p_address, int p_port) {

core/io/plist.h

@@ -37,6 +37,8 @@
 class PListNode;
 
 class PList : public RefCounted {
+	GDSOFTCLASS(PList, RefCounted);
+
 	friend class PListNode;
 
 public:

core/io/resource.cpp

@@ -660,6 +660,10 @@ void Resource::reset_local_to_scene() {
 	// Restores the state as if setup_local_to_scene() hadn't been called.
 }
 
+String Resource::_to_string() {
+	return (name.is_empty() ? "" : String(name) + " ") + "(" + path_cache + "):" + Object::_to_string();
+}
+
 Node *(*Resource::_get_local_scene_func)() = nullptr;
 void (*Resource::_update_configuration_warning)() = nullptr;
 
@@ -758,7 +762,9 @@ void Resource::_bind_methods() {
 }
 
 Resource::Resource() :
-		remapped_list(this) {}
+		remapped_list(this) {
+	_define_ancestry(AncestralClass::RESOURCE);
+}
 
 Resource::~Resource() {
 	if (unlikely(path_cache.is_empty())) {

core/io/resource.h

@@ -54,6 +54,8 @@ class Resource : public RefCounted {
 	GDCLASS(Resource, RefCounted);
 
 public:
+	static constexpr AncestralClass static_ancestral_class = AncestralClass::RESOURCE;
+
 	static void register_custom_data_to_otdb() { ClassDB::add_resource_base_extension("res", get_class_static()); }
 	virtual String get_base_extension() const { return "res"; }
 
@@ -120,6 +122,7 @@ protected:
 	GDVIRTUAL0(_reset_state);
 
 	virtual Ref<Resource> _duplicate(const DuplicateParams &p_params) const;
+	virtual String _to_string() override;
 
 public:
 	static Node *(*_get_local_scene_func)(); // Used by the editor.

core/io/resource_format_binary.h

@@ -33,6 +33,7 @@
 #include "core/io/file_access.h"
 #include "core/io/resource_loader.h"
 #include "core/io/resource_saver.h"
+#include "core/templates/rb_map.h"
 
 class ResourceLoaderBinary {
 	bool translation_remapped = false;
@@ -108,6 +109,8 @@ public:
 };
 
 class ResourceFormatLoaderBinary : public ResourceFormatLoader {
+	GDSOFTCLASS(ResourceFormatLoaderBinary, ResourceFormatLoader);
+
 public:
 	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;
 	virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const override;
@@ -179,6 +182,8 @@ public:
 };
 
 class ResourceFormatSaverBinary : public ResourceFormatSaver {
+	GDSOFTCLASS(ResourceFormatSaverBinary, ResourceFormatSaver);
+
 public:
 	static inline ResourceFormatSaverBinary *singleton = nullptr;
 	virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;

core/io/resource_importer.h

@@ -39,6 +39,8 @@ class ResourceFormatImporter;
 typedef Ref<Resource> (*ResourceFormatImporterLoadOnStartup)(ResourceFormatImporter *p_importer, const String &p_path, Error *r_error, bool p_use_sub_threads, float *r_progress, ResourceFormatLoader::CacheMode p_cache_mode);
 
 class ResourceFormatImporter : public ResourceFormatLoader {
+	GDSOFTCLASS(ResourceFormatImporter, ResourceFormatLoader);
+
 	struct PathAndType {
 		String path;
 		String type;

core/io/resource_loader.cpp

@@ -43,7 +43,7 @@
 #include "core/string/translation_server.h"
 #include "core/templates/rb_set.h"
 #include "core/variant/variant_parser.h"
-#include "servers/rendering_server.h"
+#include "servers/rendering/rendering_server.h"
 
 #ifdef DEBUG_LOAD_THREADED
 #define print_lt(m_text) print_line(m_text)
@@ -174,7 +174,7 @@ Ref<Resource> ResourceFormatLoader::load(const String &p_path, const String &p_o
 		}
 	}
 
-	ERR_FAIL_V_MSG(Ref<Resource>(), vformat("Failed to load resource '%s'. ResourceFormatLoader::load was not implemented for this resource type.", p_path));
+	return Ref<Resource>();
 }
 
 void ResourceFormatLoader::get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types) {
@@ -1465,8 +1465,8 @@ void ResourceLoader::add_custom_loaders() {
 
 	String custom_loader_base_class = ResourceFormatLoader::get_class_static();
 
-	List<StringName> global_classes;
-	ScriptServer::get_global_class_list(&global_classes);
+	LocalVector<StringName> global_classes;
+	ScriptServer::get_global_class_list(global_classes);
 
 	for (const StringName &class_name : global_classes) {
 		StringName base_class = ScriptServer::get_global_class_native_base(class_name);

core/io/resource_loader.h

@@ -70,7 +70,7 @@ protected:
 	GDVIRTUAL2RC(Error, _rename_dependencies, String, Dictionary)
 	GDVIRTUAL1RC(bool, _exists, String)
 
-	GDVIRTUAL4RC(Variant, _load, String, String, bool, int)
+	GDVIRTUAL4RC_REQUIRED(Variant, _load, String, String, bool, int)
 
 public:
 	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);

core/io/resource_saver.cpp

@@ -255,8 +255,8 @@ void ResourceSaver::add_custom_savers() {
 
 	String custom_saver_base_class = ResourceFormatSaver::get_class_static();
 
-	List<StringName> global_classes;
-	ScriptServer::get_global_class_list(&global_classes);
+	LocalVector<StringName> global_classes;
+	ScriptServer::get_global_class_list(global_classes);
 
 	for (const StringName &class_name : global_classes) {
 		StringName base_class = ScriptServer::get_global_class_native_base(class_name);

core/io/resource_uid.cpp

@@ -47,7 +47,7 @@ String ResourceUID::get_cache_file() {
 }
 
 static constexpr uint8_t uuid_characters[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', '0', '1', '2', '3', '4', '5', '6', '7', '8' };
-static constexpr uint32_t uuid_characters_element_count = std::size(uuid_characters);
+static constexpr uint32_t uuid_characters_element_count = std_size(uuid_characters);
 static constexpr uint8_t max_uuid_number_length = 13; // Max 0x7FFFFFFFFFFFFFFF (uid://d4n4ub6itg400) size is 13 characters.
 
 String ResourceUID::id_to_text(ID p_id) const {
@@ -351,6 +351,7 @@ void ResourceUID::clear() {
 	unique_ids.clear();
 	changed = false;
 }
+
 void ResourceUID::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("id_to_text", "id"), &ResourceUID::id_to_text);
 	ClassDB::bind_method(D_METHOD("text_to_id", "text_id"), &ResourceUID::text_to_id);

core/io/socket_server.cpp

@@ -0,0 +1,90 @@
+/**************************************************************************/
+/*  socket_server.cpp                                                     */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "socket_server.h"
+
+void SocketServer::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("is_connection_available"), &SocketServer::is_connection_available);
+	ClassDB::bind_method(D_METHOD("is_listening"), &SocketServer::is_listening);
+	ClassDB::bind_method(D_METHOD("stop"), &SocketServer::stop);
+	ClassDB::bind_method(D_METHOD("take_socket_connection"), &SocketServer::take_socket_connection);
+}
+
+Error SocketServer::_listen(const NetSocket::Address &p_addr) {
+	DEV_ASSERT(_sock.is_valid());
+	DEV_ASSERT(_sock->is_open());
+
+	_sock->set_blocking_enabled(false);
+	Error err = _sock->bind(p_addr);
+
+	if (err != OK) {
+		_sock->close();
+		return ERR_ALREADY_IN_USE;
+	}
+
+	err = _sock->listen(MAX_PENDING_CONNECTIONS);
+
+	if (err != OK) {
+		_sock->close();
+		return FAILED;
+	}
+	return OK;
+}
+
+bool SocketServer::is_listening() const {
+	ERR_FAIL_COND_V(_sock.is_null(), false);
+
+	return _sock->is_open();
+}
+
+bool SocketServer::is_connection_available() const {
+	ERR_FAIL_COND_V(_sock.is_null(), false);
+
+	if (!_sock->is_open()) {
+		return false;
+	}
+
+	Error err = _sock->poll(NetSocket::POLL_TYPE_IN, 0);
+	return (err == OK);
+}
+
+void SocketServer::stop() {
+	if (_sock.is_valid()) {
+		_sock->close();
+	}
+}
+
+SocketServer::SocketServer() :
+		_sock(NetSocket::create()) {
+}
+
+SocketServer::~SocketServer() {
+	stop();
+}

core/io/socket_server.h

@@ -0,0 +1,77 @@
+/**************************************************************************/
+/*  socket_server.h                                                       */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/io/net_socket.h"
+#include "core/io/stream_peer_socket.h"
+
+class SocketServer : public RefCounted {
+	GDCLASS(SocketServer, RefCounted);
+
+protected:
+	enum {
+		MAX_PENDING_CONNECTIONS = 8,
+	};
+
+	Ref<NetSocket> _sock;
+	static void _bind_methods();
+
+	Error _listen(const NetSocket::Address &p_addr);
+
+	template <typename T>
+	Ref<T> _take_connection() {
+		Ref<T> conn;
+		if (!is_connection_available()) {
+			return conn;
+		}
+
+		Ref<NetSocket> ns;
+		NetSocket::Address addr;
+		ns = _sock->accept(addr);
+		if (ns.is_null()) {
+			return conn;
+		}
+
+		conn.instantiate();
+		conn->accept_socket(ns, addr);
+		return conn;
+	}
+
+public:
+	bool is_listening() const;
+	bool is_connection_available() const;
+	virtual Ref<StreamPeerSocket> take_socket_connection() = 0;
+
+	void stop(); // Stop listening
+
+	SocketServer();
+	~SocketServer();
+};

core/io/stream_peer_socket.compat.inc

@@ -0,0 +1,52 @@
+/**************************************************************************/
+/*  stream_peer_socket.compat.inc                                         */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef DISABLE_DEPRECATED
+
+namespace compat::StreamPeerTCP {
+enum class Status {
+	STATUS_NONE = StreamPeerSocket::STATUS_NONE,
+	STATUS_CONNECTING = StreamPeerSocket::STATUS_CONNECTING,
+	STATUS_CONNECTED = StreamPeerSocket::STATUS_CONNECTED,
+	STATUS_ERROR = StreamPeerSocket::STATUS_ERROR,
+};
+}
+
+VARIANT_ENUM_CAST(compat::StreamPeerTCP::Status);
+
+compat::StreamPeerTCP::Status StreamPeerSocket::_get_status_compat_107954() const {
+	return (compat::StreamPeerTCP::Status)get_status();
+}
+
+void StreamPeerSocket::_bind_compatibility_methods() {
+	ClassDB::bind_compatibility_method(D_METHOD("get_status"), &StreamPeerSocket::_get_status_compat_107954);
+}
+
+#endif

core/io/stream_peer_socket.cpp

@@ -0,0 +1,236 @@
+/**************************************************************************/
+/*  stream_peer_socket.cpp                                                */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "stream_peer_socket.h"
+#include "stream_peer_socket.compat.inc"
+
+Error StreamPeerSocket::poll() {
+	if (status == STATUS_CONNECTED) {
+		Error err;
+		err = _sock->poll(NetSocket::POLL_TYPE_IN, 0);
+		if (err == OK) {
+			// FIN received
+			if (_sock->get_available_bytes() == 0) {
+				disconnect_from_host();
+				return OK;
+			}
+		}
+		// Also poll write
+		err = _sock->poll(NetSocket::POLL_TYPE_IN_OUT, 0);
+		if (err != OK && err != ERR_BUSY) {
+			// Got an error
+			disconnect_from_host();
+			status = STATUS_ERROR;
+			return err;
+		}
+		return OK;
+	} else if (status != STATUS_CONNECTING) {
+		return OK;
+	}
+
+	Error err = _sock->connect_to_host(peer_address);
+
+	if (err == OK) {
+		status = STATUS_CONNECTED;
+		return OK;
+	} else if (err == ERR_BUSY) {
+		// Check for connect timeout
+		if (OS::get_singleton()->get_ticks_msec() > timeout) {
+			disconnect_from_host();
+			status = STATUS_ERROR;
+			return ERR_CONNECTION_ERROR;
+		}
+		// Still trying to connect
+		return OK;
+	}
+
+	disconnect_from_host();
+	status = STATUS_ERROR;
+	return ERR_CONNECTION_ERROR;
+}
+
+Error StreamPeerSocket::write(const uint8_t *p_data, int p_bytes, int &r_sent, bool p_block) {
+	ERR_FAIL_COND_V(_sock.is_null(), ERR_UNAVAILABLE);
+
+	if (status != STATUS_CONNECTED) {
+		return FAILED;
+	}
+
+	Error err;
+	int data_to_send = p_bytes;
+	const uint8_t *offset = p_data;
+	int total_sent = 0;
+
+	while (data_to_send) {
+		int sent_amount = 0;
+		err = _sock->send(offset, data_to_send, sent_amount);
+
+		if (err != OK) {
+			if (err != ERR_BUSY) {
+				disconnect_from_host();
+				return FAILED;
+			}
+
+			if (!p_block) {
+				r_sent = total_sent;
+				return OK;
+			}
+
+			// Block and wait for the socket to accept more data
+			err = _sock->poll(NetSocket::POLL_TYPE_OUT, -1);
+			if (err != OK) {
+				disconnect_from_host();
+				return FAILED;
+			}
+		} else {
+			data_to_send -= sent_amount;
+			offset += sent_amount;
+			total_sent += sent_amount;
+		}
+	}
+
+	r_sent = total_sent;
+
+	return OK;
+}
+
+Error StreamPeerSocket::read(uint8_t *p_buffer, int p_bytes, int &r_received, bool p_block) {
+	if (status != STATUS_CONNECTED) {
+		return FAILED;
+	}
+
+	Error err;
+	int to_read = p_bytes;
+	int total_read = 0;
+	r_received = 0;
+
+	while (to_read) {
+		int read = 0;
+		err = _sock->recv(p_buffer + total_read, to_read, read);
+
+		if (err != OK) {
+			if (err != ERR_BUSY) {
+				disconnect_from_host();
+				return FAILED;
+			}
+
+			if (!p_block) {
+				r_received = total_read;
+				return OK;
+			}
+
+			err = _sock->poll(NetSocket::POLL_TYPE_IN, -1);
+
+			if (err != OK) {
+				disconnect_from_host();
+				return FAILED;
+			}
+
+		} else if (read == 0) {
+			disconnect_from_host();
+			r_received = total_read;
+			return ERR_FILE_EOF;
+
+		} else {
+			to_read -= read;
+			total_read += read;
+
+			if (!p_block) {
+				r_received = total_read;
+				return OK;
+			}
+		}
+	}
+
+	r_received = total_read;
+
+	return OK;
+}
+
+StreamPeerSocket::Status StreamPeerSocket::get_status() const {
+	return status;
+}
+
+void StreamPeerSocket::disconnect_from_host() {
+	if (_sock.is_valid() && _sock->is_open()) {
+		_sock->close();
+	}
+
+	timeout = 0;
+	status = STATUS_NONE;
+	peer_address = NetSocket::Address();
+}
+
+Error StreamPeerSocket::wait(NetSocket::PollType p_type, int p_timeout) {
+	ERR_FAIL_COND_V(_sock.is_null() || !_sock->is_open(), ERR_UNAVAILABLE);
+	return _sock->poll(p_type, p_timeout);
+}
+
+Error StreamPeerSocket::put_data(const uint8_t *p_data, int p_bytes) {
+	int total;
+	return write(p_data, p_bytes, total, true);
+}
+
+Error StreamPeerSocket::put_partial_data(const uint8_t *p_data, int p_bytes, int &r_sent) {
+	return write(p_data, p_bytes, r_sent, false);
+}
+
+Error StreamPeerSocket::get_data(uint8_t *p_buffer, int p_bytes) {
+	int total;
+	return read(p_buffer, p_bytes, total, true);
+}
+
+Error StreamPeerSocket::get_partial_data(uint8_t *p_buffer, int p_bytes, int &r_received) {
+	return read(p_buffer, p_bytes, r_received, false);
+}
+
+int StreamPeerSocket::get_available_bytes() const {
+	ERR_FAIL_COND_V(_sock.is_null(), -1);
+	return _sock->get_available_bytes();
+}
+
+void StreamPeerSocket::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("poll"), &StreamPeerSocket::poll);
+	ClassDB::bind_method(D_METHOD("get_status"), &StreamPeerSocket::get_status);
+	ClassDB::bind_method(D_METHOD("disconnect_from_host"), &StreamPeerSocket::disconnect_from_host);
+
+	BIND_ENUM_CONSTANT(STATUS_NONE);
+	BIND_ENUM_CONSTANT(STATUS_CONNECTING);
+	BIND_ENUM_CONSTANT(STATUS_CONNECTED);
+	BIND_ENUM_CONSTANT(STATUS_ERROR);
+}
+
+StreamPeerSocket::StreamPeerSocket() :
+		_sock(NetSocket::create()) {
+}
+
+StreamPeerSocket::~StreamPeerSocket() {
+	disconnect_from_host();
+}

core/io/stream_peer_socket.h

@@ -0,0 +1,93 @@
+/**************************************************************************/
+/*  stream_peer_socket.h                                                  */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/io/net_socket.h"
+#include "core/io/stream_peer.h"
+
+#ifndef DISABLE_DEPRECATED
+namespace compat::StreamPeerTCP {
+enum class Status;
+} //namespace compat::StreamPeerTCP
+#endif
+
+class StreamPeerSocket : public StreamPeer {
+	GDCLASS(StreamPeerSocket, StreamPeer);
+
+public:
+	enum Status {
+		STATUS_NONE,
+		STATUS_CONNECTING,
+		STATUS_CONNECTED,
+		STATUS_ERROR,
+	};
+
+protected:
+#ifndef DISABLE_DEPRECATED
+	compat::StreamPeerTCP::Status _get_status_compat_107954() const;
+	static void _bind_compatibility_methods();
+#endif
+
+	Ref<NetSocket> _sock;
+	uint64_t timeout = 0;
+	Status status = STATUS_NONE;
+	NetSocket::Address peer_address;
+
+	Error write(const uint8_t *p_data, int p_bytes, int &r_sent, bool p_block);
+	Error read(uint8_t *p_buffer, int p_bytes, int &r_received, bool p_block);
+
+	static void _bind_methods();
+
+public:
+	virtual void accept_socket(Ref<NetSocket> p_sock, const NetSocket::Address &p_addr) = 0;
+
+	void disconnect_from_host();
+
+	int get_available_bytes() const override;
+	Status get_status() const;
+
+	// Poll socket updating its state.
+	Error poll();
+
+	// Wait or check for writable, readable.
+	Error wait(NetSocket::PollType p_type, int p_timeout = 0);
+
+	// Read/Write from StreamPeer
+	Error put_data(const uint8_t *p_data, int p_bytes) override;
+	Error put_partial_data(const uint8_t *p_data, int p_bytes, int &r_sent) override;
+	Error get_data(uint8_t *p_buffer, int p_bytes) override;
+	Error get_partial_data(uint8_t *p_buffer, int p_bytes, int &r_received) override;
+
+	StreamPeerSocket();
+	virtual ~StreamPeerSocket();
+};
+
+VARIANT_ENUM_CAST(StreamPeerSocket::Status);

core/io/stream_peer_tcp.cpp

@@ -32,60 +32,14 @@
 
 #include "core/config/project_settings.h"
 
-Error StreamPeerTCP::poll() {
-	if (status == STATUS_CONNECTED) {
-		Error err;
-		err = _sock->poll(NetSocket::POLL_TYPE_IN, 0);
-		if (err == OK) {
-			// FIN received
-			if (_sock->get_available_bytes() == 0) {
-				disconnect_from_host();
-				return OK;
-			}
-		}
-		// Also poll write
-		err = _sock->poll(NetSocket::POLL_TYPE_IN_OUT, 0);
-		if (err != OK && err != ERR_BUSY) {
-			// Got an error
-			disconnect_from_host();
-			status = STATUS_ERROR;
-			return err;
-		}
-		return OK;
-	} else if (status != STATUS_CONNECTING) {
-		return OK;
-	}
-
-	Error err = _sock->connect_to_host(peer_host, peer_port);
-
-	if (err == OK) {
-		status = STATUS_CONNECTED;
-		return OK;
-	} else if (err == ERR_BUSY) {
-		// Check for connect timeout
-		if (OS::get_singleton()->get_ticks_msec() > timeout) {
-			disconnect_from_host();
-			status = STATUS_ERROR;
-			return ERR_CONNECTION_ERROR;
-		}
-		// Still trying to connect
-		return OK;
-	}
-
-	disconnect_from_host();
-	status = STATUS_ERROR;
-	return ERR_CONNECTION_ERROR;
-}
-
-void StreamPeerTCP::accept_socket(Ref<NetSocket> p_sock, IPAddress p_host, uint16_t p_port) {
+void StreamPeerTCP::accept_socket(Ref<NetSocket> p_sock, const NetSocket::Address &p_addr) {
 	_sock = p_sock;
 	_sock->set_blocking_enabled(false);
 
 	timeout = OS::get_singleton()->get_ticks_msec() + (((uint64_t)GLOBAL_GET("network/limits/tcp/connect_timeout_seconds")) * 1000);
 	status = STATUS_CONNECTED;
 
-	peer_host = p_host;
-	peer_port = p_port;
+	peer_address = p_addr;
 }
 
 Error StreamPeerTCP::bind(int p_port, const IPAddress &p_host) {
@@ -97,12 +51,13 @@ Error StreamPeerTCP::bind(int p_port, const IPAddress &p_host) {
 	if (p_host.is_wildcard()) {
 		ip_type = IP::TYPE_ANY;
 	}
-	Error err = _sock->open(NetSocket::TYPE_TCP, ip_type);
+	Error err = _sock->open(NetSocket::Family::INET, NetSocket::TYPE_TCP, ip_type);
 	if (err != OK) {
 		return err;
 	}
 	_sock->set_blocking_enabled(false);
-	return _sock->bind(p_host, p_port);
+	NetSocket::Address addr(p_host, p_port);
+	return _sock->bind(addr);
 }
 
 Error StreamPeerTCP::connect_to_host(const IPAddress &p_host, int p_port) {
@@ -113,7 +68,7 @@ Error StreamPeerTCP::connect_to_host(const IPAddress &p_host, int p_port) {
 
 	if (!_sock->is_open()) {
 		IP::Type ip_type = p_host.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
-		Error err = _sock->open(NetSocket::TYPE_TCP, ip_type);
+		Error err = _sock->open(NetSocket::Family::INET, NetSocket::TYPE_TCP, ip_type);
 		if (err != OK) {
 			return err;
 		}
@@ -121,7 +76,9 @@ Error StreamPeerTCP::connect_to_host(const IPAddress &p_host, int p_port) {
 	}
 
 	timeout = OS::get_singleton()->get_ticks_msec() + (((uint64_t)GLOBAL_GET("network/limits/tcp/connect_timeout_seconds")) * 1000);
-	Error err = _sock->connect_to_host(p_host, p_port);
+
+	NetSocket::Address addr(p_host, p_port);
+	Error err = _sock->connect_to_host(addr);
 
 	if (err == OK) {
 		status = STATUS_CONNECTED;
@@ -133,106 +90,7 @@ Error StreamPeerTCP::connect_to_host(const IPAddress &p_host, int p_port) {
 		return FAILED;
 	}
 
-	peer_host = p_host;
-	peer_port = p_port;
-
-	return OK;
-}
-
-Error StreamPeerTCP::write(const uint8_t *p_data, int p_bytes, int &r_sent, bool p_block) {
-	ERR_FAIL_COND_V(_sock.is_null(), ERR_UNAVAILABLE);
-
-	if (status != STATUS_CONNECTED) {
-		return FAILED;
-	}
-
-	Error err;
-	int data_to_send = p_bytes;
-	const uint8_t *offset = p_data;
-	int total_sent = 0;
-
-	while (data_to_send) {
-		int sent_amount = 0;
-		err = _sock->send(offset, data_to_send, sent_amount);
-
-		if (err != OK) {
-			if (err != ERR_BUSY) {
-				disconnect_from_host();
-				return FAILED;
-			}
-
-			if (!p_block) {
-				r_sent = total_sent;
-				return OK;
-			}
-
-			// Block and wait for the socket to accept more data
-			err = _sock->poll(NetSocket::POLL_TYPE_OUT, -1);
-			if (err != OK) {
-				disconnect_from_host();
-				return FAILED;
-			}
-		} else {
-			data_to_send -= sent_amount;
-			offset += sent_amount;
-			total_sent += sent_amount;
-		}
-	}
-
-	r_sent = total_sent;
-
-	return OK;
-}
-
-Error StreamPeerTCP::read(uint8_t *p_buffer, int p_bytes, int &r_received, bool p_block) {
-	if (status != STATUS_CONNECTED) {
-		return FAILED;
-	}
-
-	Error err;
-	int to_read = p_bytes;
-	int total_read = 0;
-	r_received = 0;
-
-	while (to_read) {
-		int read = 0;
-		err = _sock->recv(p_buffer + total_read, to_read, read);
-
-		if (err != OK) {
-			if (err != ERR_BUSY) {
-				disconnect_from_host();
-				return FAILED;
-			}
-
-			if (!p_block) {
-				r_received = total_read;
-				return OK;
-			}
-
-			err = _sock->poll(NetSocket::POLL_TYPE_IN, -1);
-
-			if (err != OK) {
-				disconnect_from_host();
-				return FAILED;
-			}
-
-		} else if (read == 0) {
-			disconnect_from_host();
-			r_received = total_read;
-			return ERR_FILE_EOF;
-
-		} else {
-			to_read -= read;
-			total_read += read;
-
-			if (!p_block) {
-				r_received = total_read;
-				return OK;
-			}
-		}
-	}
-
-	r_received = total_read;
+	peer_address = addr;
 
 	return OK;
 }
@@ -242,61 +100,18 @@ void StreamPeerTCP::set_no_delay(bool p_enabled) {
 	_sock->set_tcp_no_delay_enabled(p_enabled);
 }
 
-StreamPeerTCP::Status StreamPeerTCP::get_status() const {
-	return status;
-}
-
-void StreamPeerTCP::disconnect_from_host() {
-	if (_sock.is_valid() && _sock->is_open()) {
-		_sock->close();
-	}
-
-	timeout = 0;
-	status = STATUS_NONE;
-	peer_host = IPAddress();
-	peer_port = 0;
-}
-
-Error StreamPeerTCP::wait(NetSocket::PollType p_type, int p_timeout) {
-	ERR_FAIL_COND_V(_sock.is_null() || !_sock->is_open(), ERR_UNAVAILABLE);
-	return _sock->poll(p_type, p_timeout);
-}
-
-Error StreamPeerTCP::put_data(const uint8_t *p_data, int p_bytes) {
-	int total;
-	return write(p_data, p_bytes, total, true);
-}
-
-Error StreamPeerTCP::put_partial_data(const uint8_t *p_data, int p_bytes, int &r_sent) {
-	return write(p_data, p_bytes, r_sent, false);
-}
-
-Error StreamPeerTCP::get_data(uint8_t *p_buffer, int p_bytes) {
-	int total;
-	return read(p_buffer, p_bytes, total, true);
-}
-
-Error StreamPeerTCP::get_partial_data(uint8_t *p_buffer, int p_bytes, int &r_received) {
-	return read(p_buffer, p_bytes, r_received, false);
-}
-
-int StreamPeerTCP::get_available_bytes() const {
-	ERR_FAIL_COND_V(_sock.is_null(), -1);
-	return _sock->get_available_bytes();
-}
-
 IPAddress StreamPeerTCP::get_connected_host() const {
-	return peer_host;
+	return peer_address.ip();
 }
 
 int StreamPeerTCP::get_connected_port() const {
-	return peer_port;
+	return peer_address.port();
 }
 
 int StreamPeerTCP::get_local_port() const {
-	uint16_t local_port;
-	_sock->get_socket_address(nullptr, &local_port);
-	return local_port;
+	NetSocket::Address addr;
+	_sock->get_socket_address(&addr);
+	return addr.port();
 }
 
 Error StreamPeerTCP::_connect(const String &p_address, int p_port) {
@@ -316,24 +131,8 @@ Error StreamPeerTCP::_connect(const String &p_address, int p_port) {
 void StreamPeerTCP::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("bind", "port", "host"), &StreamPeerTCP::bind, DEFVAL("*"));
 	ClassDB::bind_method(D_METHOD("connect_to_host", "host", "port"), &StreamPeerTCP::_connect);
-	ClassDB::bind_method(D_METHOD("poll"), &StreamPeerTCP::poll);
-	ClassDB::bind_method(D_METHOD("get_status"), &StreamPeerTCP::get_status);
 	ClassDB::bind_method(D_METHOD("get_connected_host"), &StreamPeerTCP::get_connected_host);
 	ClassDB::bind_method(D_METHOD("get_connected_port"), &StreamPeerTCP::get_connected_port);
 	ClassDB::bind_method(D_METHOD("get_local_port"), &StreamPeerTCP::get_local_port);
-	ClassDB::bind_method(D_METHOD("disconnect_from_host"), &StreamPeerTCP::disconnect_from_host);
 	ClassDB::bind_method(D_METHOD("set_no_delay", "enabled"), &StreamPeerTCP::set_no_delay);
-
-	BIND_ENUM_CONSTANT(STATUS_NONE);
-	BIND_ENUM_CONSTANT(STATUS_CONNECTING);
-	BIND_ENUM_CONSTANT(STATUS_CONNECTED);
-	BIND_ENUM_CONSTANT(STATUS_ERROR);
-}
-
-StreamPeerTCP::StreamPeerTCP() :
-		_sock(Ref<NetSocket>(NetSocket::create())) {
-}
-
-StreamPeerTCP::~StreamPeerTCP() {
-	disconnect_from_host();
 }

core/io/stream_peer_tcp.h

@@ -32,62 +32,24 @@
 
 #include "core/io/ip.h"
 #include "core/io/ip_address.h"
-#include "core/io/net_socket.h"
-#include "core/io/stream_peer.h"
+#include "core/io/stream_peer_socket.h"
 
-class StreamPeerTCP : public StreamPeer {
-	GDCLASS(StreamPeerTCP, StreamPeer);
-
-public:
-	enum Status {
-		STATUS_NONE,
-		STATUS_CONNECTING,
-		STATUS_CONNECTED,
-		STATUS_ERROR,
-	};
+class StreamPeerTCP : public StreamPeerSocket {
+	GDCLASS(StreamPeerTCP, StreamPeerSocket);
 
 protected:
-	Ref<NetSocket> _sock;
-	uint64_t timeout = 0;
-	Status status = STATUS_NONE;
-	IPAddress peer_host;
-	uint16_t peer_port = 0;
-
 	Error _connect(const String &p_address, int p_port);
-	Error write(const uint8_t *p_data, int p_bytes, int &r_sent, bool p_block);
-	Error read(uint8_t *p_buffer, int p_bytes, int &r_received, bool p_block);
 
 	static void _bind_methods();
 
 public:
-	void accept_socket(Ref<NetSocket> p_sock, IPAddress p_host, uint16_t p_port);
+	void accept_socket(Ref<NetSocket> p_sock, const NetSocket::Address &p_addr) override;
 
 	Error bind(int p_port, const IPAddress &p_host);
 	Error connect_to_host(const IPAddress &p_host, int p_port);
 	IPAddress get_connected_host() const;
 	int get_connected_port() const;
 	int get_local_port() const;
-	void disconnect_from_host();
-
-	int get_available_bytes() const override;
-	Status get_status() const;
 
 	void set_no_delay(bool p_enabled);
-
-	// Poll socket updating its state.
-	Error poll();
-
-	// Wait or check for writable, readable.
-	Error wait(NetSocket::PollType p_type, int p_timeout = 0);
-
-	// Read/Write from StreamPeer
-	Error put_data(const uint8_t *p_data, int p_bytes) override;
-	Error put_partial_data(const uint8_t *p_data, int p_bytes, int &r_sent) override;
-	Error get_data(uint8_t *p_buffer, int p_bytes) override;
-	Error get_partial_data(uint8_t *p_buffer, int p_bytes, int &r_received) override;
-
-	StreamPeerTCP();
-	~StreamPeerTCP();
 };
-
-VARIANT_ENUM_CAST(StreamPeerTCP::Status);

core/io/stream_peer_uds.cpp

@@ -0,0 +1,99 @@
+/**************************************************************************/
+/*  stream_peer_uds.cpp                                                   */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "stream_peer_uds.h"
+
+#include "core/config/project_settings.h"
+
+void StreamPeerUDS::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("bind", "path"), &StreamPeerUDS::bind);
+	ClassDB::bind_method(D_METHOD("connect_to_host", "path"), &StreamPeerUDS::connect_to_host);
+	ClassDB::bind_method(D_METHOD("get_connected_path"), &StreamPeerUDS::get_connected_path);
+}
+
+void StreamPeerUDS::accept_socket(Ref<NetSocket> p_sock, const NetSocket::Address &p_addr) {
+	_sock = p_sock;
+	_sock->set_blocking_enabled(false);
+
+	timeout = OS::get_singleton()->get_ticks_msec() + (((uint64_t)GLOBAL_GET("network/limits/unix/connect_timeout_seconds")) * 1000);
+	status = STATUS_CONNECTED;
+}
+
+Error StreamPeerUDS::bind(const String &p_path) {
+	ERR_FAIL_COND_V(_sock.is_null(), ERR_UNAVAILABLE);
+	ERR_FAIL_COND_V(_sock->is_open(), ERR_ALREADY_IN_USE);
+
+	IP::Type ip_type = IP::TYPE_NONE;
+	Error err = _sock->open(NetSocket::Family::UNIX, NetSocket::TYPE_NONE, ip_type);
+	if (err != OK) {
+		return err;
+	}
+	_sock->set_blocking_enabled(false);
+	NetSocket::Address addr(p_path);
+	return _sock->bind(addr);
+}
+
+Error StreamPeerUDS::connect_to_host(const String &p_path) {
+	ERR_FAIL_COND_V(_sock.is_null(), ERR_UNAVAILABLE);
+	ERR_FAIL_COND_V(_sock->is_open(), ERR_ALREADY_IN_USE);
+	ERR_FAIL_COND_V(p_path.is_empty(), ERR_INVALID_PARAMETER);
+
+	if (!_sock->is_open()) {
+		IP::Type ip_type = IP::TYPE_NONE;
+		Error err = _sock->open(NetSocket::Family::UNIX, NetSocket::TYPE_NONE, ip_type);
+		if (err != OK) {
+			return err;
+		}
+		_sock->set_blocking_enabled(false);
+	}
+
+	timeout = OS::get_singleton()->get_ticks_msec() + (((uint64_t)GLOBAL_GET("network/limits/unix/connect_timeout_seconds")) * 1000);
+	NetSocket::Address addr(p_path);
+	Error err = _sock->connect_to_host(addr);
+
+	if (err == OK) {
+		status = STATUS_CONNECTED;
+	} else if (err == ERR_BUSY) {
+		status = STATUS_CONNECTING;
+	} else {
+		ERR_PRINT("Connection to remote host failed!");
+		disconnect_from_host();
+		return FAILED;
+	}
+
+	peer_address = addr;
+	peer_path = p_path;
+
+	return OK;
+}
+
+const String StreamPeerUDS::get_connected_path() const {
+	return String(peer_address.get_path().get_data());
+}

core/io/stream_peer_uds.h

@@ -0,0 +1,48 @@
+/**************************************************************************/
+/*  stream_peer_uds.h                                                     */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/io/stream_peer_socket.h"
+
+class StreamPeerUDS : public StreamPeerSocket {
+	GDCLASS(StreamPeerUDS, StreamPeerSocket);
+
+protected:
+	String peer_path;
+	static void _bind_methods();
+
+public:
+	void accept_socket(Ref<NetSocket> p_sock, const NetSocket::Address &p_addr) override;
+
+	Error bind(const String &p_path);
+	Error connect_to_host(const String &p_path);
+	const String get_connected_path() const;
+};

core/io/tcp_server.cpp

@@ -32,11 +32,8 @@
 
 void TCPServer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("listen", "port", "bind_address"), &TCPServer::listen, DEFVAL("*"));
-	ClassDB::bind_method(D_METHOD("is_connection_available"), &TCPServer::is_connection_available);
-	ClassDB::bind_method(D_METHOD("is_listening"), &TCPServer::is_listening);
 	ClassDB::bind_method(D_METHOD("get_local_port"), &TCPServer::get_local_port);
 	ClassDB::bind_method(D_METHOD("take_connection"), &TCPServer::take_connection);
-	ClassDB::bind_method(D_METHOD("stop"), &TCPServer::stop);
 }
 
 Error TCPServer::listen(uint16_t p_port, const IPAddress &p_bind_address) {
@@ -52,81 +49,21 @@ Error TCPServer::listen(uint16_t p_port, const IPAddress &p_bind_address) {
 		ip_type = p_bind_address.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
 	}
 
-	err = _sock->open(NetSocket::TYPE_TCP, ip_type);
+	err = _sock->open(NetSocket::Family::INET, NetSocket::TYPE_TCP, ip_type);
 
 	ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
 
-	_sock->set_blocking_enabled(false);
 	_sock->set_reuse_address_enabled(true);
 
-	err = _sock->bind(p_bind_address, p_port);
-
-	if (err != OK) {
-		_sock->close();
-		return ERR_ALREADY_IN_USE;
-	}
-
-	err = _sock->listen(MAX_PENDING_CONNECTIONS);
-
-	if (err != OK) {
-		_sock->close();
-		return FAILED;
-	}
-	return OK;
+	return _listen(NetSocket::Address(p_bind_address, p_port));
 }
 
 int TCPServer::get_local_port() const {
-	uint16_t local_port;
-	_sock->get_socket_address(nullptr, &local_port);
-	return local_port;
-}
-
-bool TCPServer::is_listening() const {
-	ERR_FAIL_COND_V(_sock.is_null(), false);
-
-	return _sock->is_open();
-}
-
-bool TCPServer::is_connection_available() const {
-	ERR_FAIL_COND_V(_sock.is_null(), false);
-
-	if (!_sock->is_open()) {
-		return false;
-	}
-
-	Error err = _sock->poll(NetSocket::POLL_TYPE_IN, 0);
-	return (err == OK);
+	NetSocket::Address addr;
+	_sock->get_socket_address(&addr);
+	return addr.port();
 }
 
 Ref<StreamPeerTCP> TCPServer::take_connection() {
-	Ref<StreamPeerTCP> conn;
-	if (!is_connection_available()) {
-		return conn;
-	}
-
-	Ref<NetSocket> ns;
-	IPAddress ip;
-	uint16_t port = 0;
-	ns = _sock->accept(ip, port);
-	if (ns.is_null()) {
-		return conn;
-	}
-
-	conn.instantiate();
-	conn->accept_socket(ns, ip, port);
-	return conn;
-}
-
-void TCPServer::stop() {
-	if (_sock.is_valid()) {
-		_sock->close();
-	}
-}
-
-TCPServer::TCPServer() :
-		_sock(Ref<NetSocket>(NetSocket::create())) {
-}
-
-TCPServer::~TCPServer() {
-	stop();
+	return _take_connection<StreamPeerTCP>();
 }

core/io/tcp_server.h

@@ -31,30 +31,18 @@
 #pragma once
 
 #include "core/io/ip.h"
-#include "core/io/net_socket.h"
-#include "core/io/stream_peer.h"
+#include "core/io/socket_server.h"
 #include "core/io/stream_peer_tcp.h"
 
-class TCPServer : public RefCounted {
-	GDCLASS(TCPServer, RefCounted);
+class TCPServer : public SocketServer {
+	GDCLASS(TCPServer, SocketServer);
 
 protected:
-	enum {
-		MAX_PENDING_CONNECTIONS = 8
-	};
-
-	Ref<NetSocket> _sock;
 	static void _bind_methods();
 
 public:
 	Error listen(uint16_t p_port, const IPAddress &p_bind_address = IPAddress("*"));
 	int get_local_port() const;
-	bool is_listening() const;
-	bool is_connection_available() const;
 	Ref<StreamPeerTCP> take_connection();
-
-	void stop(); // Stop listening
-
-	TCPServer();
-	~TCPServer();
+	Ref<StreamPeerSocket> take_socket_connection() override { return take_connection(); }
 };

core/io/translation_loader_po.cpp

@@ -31,7 +31,7 @@
 #include "translation_loader_po.h"
 
 #include "core/io/file_access.h"
-#include "core/string/translation_po.h"
+#include "core/string/translation.h"
 
 Ref<Resource> TranslationLoaderPO::load_translation(Ref<FileAccess> f, Error *r_error) {
 	if (r_error) {
@@ -39,7 +39,8 @@ Ref<Resource> TranslationLoaderPO::load_translation(Ref<FileAccess> f, Error *r_
 	}
 
 	const String path = f->get_path();
-	Ref<TranslationPO> translation = Ref<TranslationPO>(memnew(TranslationPO));
+	Ref<Translation> translation;
+	translation.instantiate();
 	String config;
 
 	uint32_t magic = f->get_32();
@@ -112,7 +113,7 @@ Ref<Resource> TranslationLoaderPO::load_translation(Ref<FileAccess> f, Error *r_
 					int p_start = config.find("Plural-Forms");
 					if (p_start != -1) {
 						int p_end = config.find_char('\n', p_start);
-						translation->set_plural_rule(config.substr(p_start, p_end - p_start));
+						translation->set_plural_rules_override(config.substr(p_start, p_end - p_start));
 					}
 				} else {
 					uint32_t str_start = 0;
@@ -228,8 +229,8 @@ Ref<Resource> TranslationLoaderPO::load_translation(Ref<FileAccess> f, Error *r_
 					int p_start = config.find("Plural-Forms");
 					if (p_start != -1) {
 						int p_end = config.find_char('\n', p_start);
-						translation->set_plural_rule(config.substr(p_start, p_end - p_start));
-						plural_forms = translation->get_plural_forms();
+						translation->set_plural_rules_override(config.substr(p_start, p_end - p_start));
+						plural_forms = translation->get_nplurals();
 					}
 				}
 

core/io/translation_loader_po.h

@@ -32,9 +32,10 @@
 
 #include "core/io/file_access.h"
 #include "core/io/resource_loader.h"
-#include "core/string/translation.h"
 
 class TranslationLoaderPO : public ResourceFormatLoader {
+	GDSOFTCLASS(TranslationLoaderPO, ResourceFormatLoader);
+
 public:
 	static Ref<Resource> load_translation(Ref<FileAccess> f, Error *r_error = nullptr);
 	virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE) override;

core/io/udp_server.cpp

@@ -99,7 +99,7 @@ Error UDPServer::listen(uint16_t p_port, const IPAddress &p_bind_address) {
 		ip_type = p_bind_address.is_ipv4() ? IP::TYPE_IPV4 : IP::TYPE_IPV6;
 	}
 
-	err = _sock->open(NetSocket::TYPE_UDP, ip_type);
+	err = _sock->open(NetSocket::Family::INET, NetSocket::TYPE_UDP, ip_type);
 
 	if (err != OK) {
 		return ERR_CANT_CREATE;
@@ -107,7 +107,8 @@ Error UDPServer::listen(uint16_t p_port, const IPAddress &p_bind_address) {
 
 	_sock->set_blocking_enabled(false);
 	_sock->set_reuse_address_enabled(true);
-	err = _sock->bind(p_bind_address, p_port);
+	NetSocket::Address addr(p_bind_address, p_port);
+	err = _sock->bind(addr);
 
 	if (err != OK) {
 		stop();
@@ -117,9 +118,9 @@ Error UDPServer::listen(uint16_t p_port, const IPAddress &p_bind_address) {
 }
 
 int UDPServer::get_local_port() const {
-	uint16_t local_port;
-	_sock->get_socket_address(nullptr, &local_port);
-	return local_port;
+	NetSocket::Address addr;
+	_sock->get_socket_address(&addr);
+	return addr.port();
 }
 
 bool UDPServer::is_listening() const {

core/io/uds_server.cpp

@@ -0,0 +1,52 @@
+/**************************************************************************/
+/*  uds_server.cpp                                                        */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "uds_server.h"
+
+void UDSServer::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("listen", "path"), &UDSServer::listen);
+	ClassDB::bind_method(D_METHOD("take_connection"), &UDSServer::take_connection);
+}
+
+Error UDSServer::listen(const String &p_path) {
+	ERR_FAIL_COND_V(_sock.is_null(), ERR_UNAVAILABLE);
+	ERR_FAIL_COND_V(_sock->is_open(), ERR_ALREADY_IN_USE);
+	ERR_FAIL_COND_V(p_path.is_empty(), ERR_INVALID_PARAMETER);
+
+	IP::Type ip_type = IP::TYPE_NONE;
+	Error err = _sock->open(NetSocket::Family::UNIX, NetSocket::TYPE_NONE, ip_type);
+	ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
+
+	return _listen(p_path);
+}
+
+Ref<StreamPeerUDS> UDSServer::take_connection() {
+	return _take_connection<StreamPeerUDS>();
+}

core/io/uds_server.h

@@ -0,0 +1,46 @@
+/**************************************************************************/
+/*  uds_server.h                                                          */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/io/socket_server.h"
+#include "core/io/stream_peer_uds.h"
+
+class UDSServer : public SocketServer {
+	GDCLASS(UDSServer, SocketServer);
+
+protected:
+	static void _bind_methods();
+
+public:
+	Error listen(const String &p_path);
+	Ref<StreamPeerUDS> take_connection();
+	Ref<StreamPeerSocket> take_socket_connection() override { return take_connection(); }
+};

core/math/a_star_grid_2d.cpp

@@ -783,7 +783,7 @@ void AStarGrid2D::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "jumping_enabled"), "set_jumping_enabled", "is_jumping_enabled");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "default_compute_heuristic", PROPERTY_HINT_ENUM, "Euclidean,Manhattan,Octile,Chebyshev"), "set_default_compute_heuristic", "get_default_compute_heuristic");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "default_estimate_heuristic", PROPERTY_HINT_ENUM, "Euclidean,Manhattan,Octile,Chebyshev"), "set_default_estimate_heuristic", "get_default_estimate_heuristic");
-	ADD_PROPERTY(PropertyInfo(Variant::INT, "diagonal_mode", PROPERTY_HINT_ENUM, "Never,Always,At Least One Walkable,Only If No Obstacles"), "set_diagonal_mode", "get_diagonal_mode");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "diagonal_mode", PROPERTY_HINT_ENUM, "Always,Never,At Least One Walkable,Only If No Obstacles"), "set_diagonal_mode", "get_diagonal_mode");
 
 	BIND_ENUM_CONSTANT(HEURISTIC_EUCLIDEAN);
 	BIND_ENUM_CONSTANT(HEURISTIC_MANHATTAN);

core/math/aabb.h

@@ -32,6 +32,7 @@
 
 #include "core/math/plane.h"
 #include "core/math/vector3.h"
+#include "core/templates/hashfuncs.h"
 
 /**
  * AABB (Axis Aligned Bounding Box)
@@ -131,6 +132,16 @@ struct [[nodiscard]] AABB {
 		return position + (size * 0.5f);
 	}
 
+	uint32_t hash() const {
+		uint32_t h = hash_murmur3_one_real(position.x);
+		h = hash_murmur3_one_real(position.y, h);
+		h = hash_murmur3_one_real(position.z, h);
+		h = hash_murmur3_one_real(size.x, h);
+		h = hash_murmur3_one_real(size.y, h);
+		h = hash_murmur3_one_real(size.z, h);
+		return hash_fmix32(h);
+	}
+
 	explicit operator String() const;
 
 	AABB() = default;

core/math/basis.h

@@ -34,6 +34,10 @@
 #include "core/math/vector3.h"
 
 struct [[nodiscard]] Basis {
+	static const Basis FLIP_X;
+	static const Basis FLIP_Y;
+	static const Basis FLIP_Z;
+
 	Vector3 rows[3] = {
 		Vector3(1, 0, 0),
 		Vector3(0, 1, 0),
@@ -224,7 +228,7 @@ struct [[nodiscard]] Basis {
 
 	operator Quaternion() const { return get_quaternion(); }
 
-	static Basis looking_at(const Vector3 &p_target, const Vector3 &p_up = Vector3(0, 1, 0), bool p_use_model_front = false);
+	static Basis looking_at(const Vector3 &p_target, const Vector3 &p_up = Vector3::UP, bool p_use_model_front = false);
 
 	Basis(const Quaternion &p_quaternion) { set_quaternion(p_quaternion); }
 	Basis(const Quaternion &p_quaternion, const Vector3 &p_scale) { set_quaternion_scale(p_quaternion, p_scale); }
@@ -247,6 +251,10 @@ private:
 	void _set_diagonal(const Vector3 &p_diag);
 };
 
+inline constexpr Basis Basis::FLIP_X = { { -1, 0, 0 }, { 0, 1, 0 }, { 0, 0, 1 } };
+inline constexpr Basis Basis::FLIP_Y = { { 1, 0, 0 }, { 0, -1, 0 }, { 0, 0, 1 } };
+inline constexpr Basis Basis::FLIP_Z = { { 1, 0, 0 }, { 0, 1, 0 }, { 0, 0, -1 } };
+
 constexpr bool Basis::operator==(const Basis &p_matrix) const {
 	for (int i = 0; i < 3; i++) {
 		for (int j = 0; j < 3; j++) {

core/math/color.cpp

@@ -432,7 +432,7 @@ int Color::find_named_color(const String &p_name) {
 }
 
 int Color::get_named_color_count() {
-	return std::size(named_colors);
+	return std_size(named_colors);
 }
 
 String Color::get_named_color_name(int p_idx) {

core/math/color.h

@@ -31,6 +31,7 @@
 #pragma once
 
 #include "core/math/math_funcs.h"
+#include "core/templates/hashfuncs.h"
 
 class String;
 
@@ -239,6 +240,14 @@ struct [[nodiscard]] Color {
 	_FORCE_INLINE_ void set_ok_hsl_s(float p_s) { set_ok_hsl(get_ok_hsl_h(), p_s, get_ok_hsl_l(), a); }
 	_FORCE_INLINE_ void set_ok_hsl_l(float p_l) { set_ok_hsl(get_ok_hsl_h(), get_ok_hsl_s(), p_l, a); }
 
+	uint32_t hash() const {
+		uint32_t h = hash_murmur3_one_float(r);
+		h = hash_murmur3_one_float(r, h);
+		h = hash_murmur3_one_float(b, h);
+		h = hash_murmur3_one_float(a, h);
+		return hash_fmix32(h);
+	}
+
 	constexpr Color() :
 			r(0), g(0), b(0), a(1) {}
 

core/math/delaunay_3d.h

@@ -33,6 +33,7 @@
 #include "core/math/aabb.h"
 #include "core/math/projection.h"
 #include "core/math/vector3.h"
+#include "core/math/vector3i.h"
 #include "core/templates/a_hash_map.h"
 #include "core/templates/list.h"
 #include "core/templates/local_vector.h"

core/math/geometry_2d.cpp

@@ -30,7 +30,9 @@
 
 #include "geometry_2d.h"
 
+GODOT_GCC_WARNING_PUSH_AND_IGNORE("-Walloc-zero")
 #include "thirdparty/clipper2/include/clipper2/clipper.h"
+GODOT_GCC_WARNING_POP
 #include "thirdparty/misc/polypartition.h"
 #define STB_RECT_PACK_IMPLEMENTATION
 #include "thirdparty/misc/stb_rect_pack.h"
@@ -292,14 +294,16 @@ Vector<Vector<Point2>> Geometry2D::_polypaths_do_operation(PolyBooleanOperation
 	}
 
 	Vector<Vector<Point2>> polypaths;
-	for (PathsD::size_type i = 0; i < paths.size(); ++i) {
+	polypaths.resize(paths.size());
+	for (PathsD::size_type i = 0; i < paths.size(); i++) {
 		const PathD &path = paths[i];
 
 		Vector<Vector2> polypath;
+		polypath.resize(path.size());
 		for (PathsD::size_type j = 0; j < path.size(); ++j) {
-			polypath.push_back(Point2(static_cast<real_t>(path[j].x), static_cast<real_t>(path[j].y)));
+			polypath.set(j, Point2(static_cast<real_t>(path[j].x), static_cast<real_t>(path[j].y)));
 		}
-		polypaths.push_back(polypath);
+		polypaths.set(i, polypath);
 	}
 	return polypaths;
 }
@@ -353,14 +357,16 @@ Vector<Vector<Point2>> Geometry2D::_polypath_offset(const Vector<Point2> &p_poly
 	// to attain the desired precision.
 
 	Vector<Vector<Point2>> polypaths;
+	polypaths.resize(paths.size());
 	for (PathsD::size_type i = 0; i < paths.size(); ++i) {
 		const PathD &path = paths[i];
 
 		Vector<Vector2> polypath2;
+		polypath2.resize(path.size());
 		for (PathsD::size_type j = 0; j < path.size(); ++j) {
-			polypath2.push_back(Point2(static_cast<real_t>(path[j].x), static_cast<real_t>(path[j].y)));
+			polypath2.set(j, Point2(static_cast<real_t>(path[j].x), static_cast<real_t>(path[j].y)));
 		}
-		polypaths.push_back(polypath2);
+		polypaths.set(i, polypath2);
 	}
 	return polypaths;
 }

core/math/geometry_3d.h

@@ -30,8 +30,10 @@
 
 #pragma once
 
+#include "core/math/color.h"
 #include "core/math/delaunay_3d.h"
 #include "core/math/face3.h"
+#include "core/math/vector2.h"
 #include "core/templates/local_vector.h"
 #include "core/templates/vector.h"
 
@@ -292,6 +294,10 @@ public:
 			real_t den = p.normal.dot(dir);
 
 			if (Math::abs(den) <= (real_t)CMP_EPSILON) {
+				if (p.is_point_over(p_from)) {
+					// Separating plane.
+					return false;
+				}
 				continue; // Ignore parallel plane.
 			}
 

core/math/plane.h

@@ -35,6 +35,10 @@
 class Variant;
 
 struct [[nodiscard]] Plane {
+	static const Plane PLANE_YZ;
+	static const Plane PLANE_XZ;
+	static const Plane PLANE_XY;
+
 	Vector3 normal;
 	real_t d = 0;
 
@@ -90,6 +94,10 @@ struct [[nodiscard]] Plane {
 	_FORCE_INLINE_ Plane(const Vector3 &p_point1, const Vector3 &p_point2, const Vector3 &p_point3, ClockDirection p_dir = CLOCKWISE);
 };
 
+inline constexpr Plane Plane::PLANE_YZ = { 1, 0, 0, 0 };
+inline constexpr Plane Plane::PLANE_XZ = { 0, 1, 0, 0 };
+inline constexpr Plane Plane::PLANE_XY = { 0, 0, 1, 0 };
+
 bool Plane::is_point_over(const Vector3 &p_point) const {
 	return (normal.dot(p_point) > d);
 }

core/math/rect2.h

@@ -32,6 +32,7 @@
 
 #include "core/error/error_macros.h"
 #include "core/math/vector2.h"
+#include "core/templates/hashfuncs.h"
 
 class String;
 struct Rect2i;
@@ -361,6 +362,14 @@ struct [[nodiscard]] Rect2 {
 	explicit operator String() const;
 	operator Rect2i() const;
 
+	uint32_t hash() const {
+		uint32_t h = hash_murmur3_one_real(position.x);
+		h = hash_murmur3_one_real(position.y, h);
+		h = hash_murmur3_one_real(size.x, h);
+		h = hash_murmur3_one_real(size.y, h);
+		return hash_fmix32(h);
+	}
+
 	Rect2() = default;
 	constexpr Rect2(real_t p_x, real_t p_y, real_t p_width, real_t p_height) :
 			position(Point2(p_x, p_y)),

core/math/rect2i.h

@@ -32,6 +32,7 @@
 
 #include "core/error/error_macros.h"
 #include "core/math/vector2i.h"
+#include "core/templates/hashfuncs.h"
 
 class String;
 struct Rect2;
@@ -226,6 +227,14 @@ struct [[nodiscard]] Rect2i {
 	explicit operator String() const;
 	operator Rect2() const;
 
+	uint32_t hash() const {
+		uint32_t h = hash_murmur3_one_32(uint32_t(position.x));
+		h = hash_murmur3_one_32(uint32_t(position.y), h);
+		h = hash_murmur3_one_32(uint32_t(size.x), h);
+		h = hash_murmur3_one_32(uint32_t(size.y), h);
+		return hash_fmix32(h);
+	}
+
 	Rect2i() = default;
 	constexpr Rect2i(int p_x, int p_y, int p_width, int p_height) :
 			position(Point2i(p_x, p_y)),

core/math/transform_2d.h

@@ -52,6 +52,9 @@ struct [[nodiscard]] Transform2D {
 	// WARNING: Be aware that unlike 3D code, 2D code uses a left-handed coordinate system:
 	// Y-axis points down, and angle is measure from +X to +Y in a clockwise-fashion.
 
+	static const Transform2D FLIP_X;
+	static const Transform2D FLIP_Y;
+
 	Vector2 columns[3] = {
 		{ 1, 0 },
 		{ 0, 1 },
@@ -149,6 +152,9 @@ struct [[nodiscard]] Transform2D {
 	Transform2D() = default;
 };
 
+inline constexpr Transform2D Transform2D::FLIP_X = { { -1, 0 }, { 0, 1 }, { 0, 0 } };
+inline constexpr Transform2D Transform2D::FLIP_Y = { { 1, 0 }, { 0, -1 }, { 0, 0 } };
+
 constexpr bool Transform2D::operator==(const Transform2D &p_transform) const {
 	for (int i = 0; i < 3; i++) {
 		if (columns[i] != p_transform.columns[i]) {

core/math/transform_3d.h

@@ -36,6 +36,10 @@
 #include "core/templates/vector.h"
 
 struct [[nodiscard]] Transform3D {
+	static const Transform3D FLIP_X;
+	static const Transform3D FLIP_Y;
+	static const Transform3D FLIP_Z;
+
 	Basis basis;
 	Vector3 origin;
 
@@ -51,8 +55,8 @@ struct [[nodiscard]] Transform3D {
 	void rotate(const Vector3 &p_axis, real_t p_angle);
 	void rotate_basis(const Vector3 &p_axis, real_t p_angle);
 
-	void set_look_at(const Vector3 &p_eye, const Vector3 &p_target, const Vector3 &p_up = Vector3(0, 1, 0), bool p_use_model_front = false);
-	Transform3D looking_at(const Vector3 &p_target, const Vector3 &p_up = Vector3(0, 1, 0), bool p_use_model_front = false) const;
+	void set_look_at(const Vector3 &p_eye, const Vector3 &p_target, const Vector3 &p_up = Vector3::UP, bool p_use_model_front = false);
+	Transform3D looking_at(const Vector3 &p_target, const Vector3 &p_up = Vector3::UP, bool p_use_model_front = false) const;
 
 	void scale(const Vector3 &p_scale);
 	Transform3D scaled(const Vector3 &p_scale) const;
@@ -136,6 +140,10 @@ struct [[nodiscard]] Transform3D {
 			origin(p_ox, p_oy, p_oz) {}
 };
 
+inline constexpr Transform3D Transform3D::FLIP_X = { Basis::FLIP_X };
+inline constexpr Transform3D Transform3D::FLIP_Y = { Basis::FLIP_Y };
+inline constexpr Transform3D Transform3D::FLIP_Z = { Basis::FLIP_Z };
+
 constexpr bool Transform3D::operator==(const Transform3D &p_transform) const {
 	return (basis == p_transform.basis && origin == p_transform.origin);
 }

core/math/vector2.h

@@ -32,12 +32,18 @@
 
 #include "core/error/error_macros.h"
 #include "core/math/math_funcs.h"
+#include "core/templates/hashfuncs.h"
 
 class String;
 struct Vector2i;
 
 struct [[nodiscard]] Vector2 {
-	static const int AXIS_COUNT = 2;
+	static const Vector2 LEFT;
+	static const Vector2 RIGHT;
+	static const Vector2 UP;
+	static const Vector2 DOWN;
+
+	static constexpr int AXIS_COUNT = 2;
 
 	enum Axis {
 		AXIS_X,
@@ -185,6 +191,12 @@ struct [[nodiscard]] Vector2 {
 	explicit operator String() const;
 	operator Vector2i() const;
 
+	uint32_t hash() const {
+		uint32_t h = hash_murmur3_one_real(x);
+		h = hash_murmur3_one_real(y, h);
+		return hash_fmix32(h);
+	}
+
 	// NOLINTBEGIN(cppcoreguidelines-pro-type-member-init)
 	constexpr Vector2() :
 			x(0), y(0) {}
@@ -193,6 +205,11 @@ struct [[nodiscard]] Vector2 {
 	// NOLINTEND(cppcoreguidelines-pro-type-member-init)
 };
 
+inline constexpr Vector2 Vector2::LEFT = { -1, 0 };
+inline constexpr Vector2 Vector2::RIGHT = { 1, 0 };
+inline constexpr Vector2 Vector2::UP = { 0, -1 };
+inline constexpr Vector2 Vector2::DOWN = { 0, 1 };
+
 _FORCE_INLINE_ Vector2 Vector2::plane_project(real_t p_d, const Vector2 &p_vec) const {
 	return p_vec - *this * (dot(p_vec) - p_d);
 }