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* Add a new GodotInstance GDCLASS that provides startup and iteration commands to control a Godot instance. * Adds a libgodot_create_godot_instance entry point that creates a new Godot instance and returns a GodotInstance object. * Adds a libgodot_destroy_godot_instance entry point that destroys the Godot instance. Sample Apps: https://github.com/migeran/libgodot_project Developed by [Migeran](https://migeran.com) Sponsors & Acknowledgements: * Initial development sponsored by [Smirk Software](https://www.smirk.gg/) * Rebasing to Godot 4.3 and further development sponsored by [Xibbon Inc.](https://xibbon.com) * The GDExtension registration of the host process & build system changes were based on @Faolan-Rad's LibGodot PR: https://github.com/godotengine/godot/pull/72883 * Thanks to Ben Rog-Wilhelm (Zorbathut) for creating a smaller, minimal version for easier review. * Thanks to Ernest Lee (iFire) for his support Co-Authored-By: Gabor Koncz <gabor.koncz@migeran.com> Co-Authored-By: Ben Rog-Wilhelm <zorba-github@pavlovian.net>
74 lines
3.7 KiB
C++
74 lines
3.7 KiB
C++
/**************************************************************************/
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/* gdextension_function_loader.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "gdextension_function_loader.h"
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#include "gdextension.h"
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Error GDExtensionFunctionLoader::open_library(const String &p_path) {
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ERR_FAIL_COND_V_MSG(!p_path.begins_with("libgodot://"), ERR_FILE_NOT_FOUND, "Function based GDExtensions should have a path starting with libgodot://");
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ERR_FAIL_COND_V_MSG(!initialization_function, ERR_DOES_NOT_EXIST, "Initialization function is required for function based GDExtensions.");
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library_path = p_path;
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return OK;
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}
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Error GDExtensionFunctionLoader::initialize(GDExtensionInterfaceGetProcAddress p_get_proc_address, const Ref<GDExtension> &p_extension, GDExtensionInitialization *r_initialization) {
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ERR_FAIL_COND_V_MSG(!initialization_function, ERR_DOES_NOT_EXIST, "Initialization function is required for function based GDExtensions.");
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GDExtensionBool ret = initialization_function(p_get_proc_address, p_extension.ptr(), r_initialization);
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if (ret) {
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return OK;
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} else {
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ERR_FAIL_V_MSG(FAILED, "GDExtension initialization function for '" + library_path + "' returned an error.");
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}
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}
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void GDExtensionFunctionLoader::close_library() {
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initialization_function = nullptr;
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library_path.clear();
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}
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bool GDExtensionFunctionLoader::is_library_open() const {
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return !library_path.is_empty();
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}
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bool GDExtensionFunctionLoader::has_library_changed() const {
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return false;
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}
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bool GDExtensionFunctionLoader::library_exists() const {
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return true;
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}
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void GDExtensionFunctionLoader::set_initialization_function(GDExtensionInitializationFunction p_initialization_function) {
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initialization_function = p_initialization_function;
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}
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