Add project files

2024-06-04 18:31:04 +02:00 · 2024-06-04 18:31:04 +02:00 · 68cccc2a62
commit 68cccc2a62
parent 88517179f0
17 changed files with 551 additions and 1 deletions
--- a/src/Editor.gd
+++ b/src/Editor.gd
@ -0,0 +1,135 @@
+extends Control
+
+@onready var preset_options = $PresetOptions
+@onready var code_editor = $CodeEdit
+
+@onready var camera_freeze = get_parent().get_parent().get_parent().find_child("Camera").freeze
+@onready var camera_unfreeze = get_parent().get_parent().get_parent().find_child("Camera").unfreeze
+
+var selected_preset_name = ShaderPresets.default_preset
+
+#
+
+const gdshader_datatypes = [
+	"in", "out", "inout",
+	"varying", "uniform",
+	"const", "lowp", "mediump", "heighp",
+	"void",
+	"bool", "bvec2", "bvec3", "bvec4",
+	"int", "ivec2", "ivec3", "ivec4",
+	"uint", "uvec2", "uvec3", "uvec4",
+	"float", "vec2", "vec3", "vec4",
+	"mat2", "mat3", "mat4",
+	"sample2D", "isampler2D", "usample2D",
+	"sampler2DArray", "isample2DArray", "usample2DArray",
+	"sample3D", "isampler3D", "usample3D",
+	"samplerCube", "sampleCubeArray"
+]
+
+const gdshader_builtins = [
+	"TIME", "PI", "TAU", "E",
+	"MODEL_MATRIX",
+	"CANVAS_MATRIX",
+	"SCREEN_MATRIX",
+	"INSTANCE_ID",
+	"INSTANCE_CUSTOM",
+	"AT_LIGHT_PASS",
+	"TEXTURE_PIXEL_SIZE",
+	"VERTEX",
+	"VERTEX_ID",
+	"UV",
+	"COLOR",
+	"POINT_SIZE",
+	"FRAGCOORD",
+	"SCREEN_PIXEL_SIZE",
+	"POINT_COORD",
+	"TEXTURE",
+	"TEXTURE_PIXEL_SIZE",
+	"SPECULAR_SHININESS_TEXTURE",
+	"SPECULAR_SHININESS",
+	"UV",
+	"SCREEN_UV",
+	"SCREEN_TEXTURE",
+	"NORMAL",
+	"NORMAL_TEXTURE",
+	"NORMAL_MAP",
+	"NORMAL_MAP_DEPTH",
+	"SHADOW_VERTEX",
+	"LIGHT_VERTEX"
+]
+
+const gdshader_flow_control = [
+	"if", "else",
+	"for",
+	"do", "while",
+	"switch", "case",
+	"break",
+	"return"
+]
+
+class ShaderSyntaxHighlighter extends CodeHighlighter:
+	func _init():
+		add_color_region("//", "", Color.WEB_GRAY, true)
+		add_color_region("/*", "*/", Color.WEB_GRAY, false)
+		function_color = Color.INDIAN_RED
+		keyword_colors = {
+			"shader_type": Color.ORCHID
+		}
+		for dt in gdshader_datatypes:
+			keyword_colors[dt] = Color.INDIAN_RED
+		for bi in gdshader_builtins:
+			keyword_colors[bi] = Color.DARK_TURQUOISE
+		for fc in gdshader_flow_control:
+			keyword_colors[fc] = Color.CORAL
+		member_variable_color = Color.LIGHT_BLUE
+		number_color = Color.AQUA
+		symbol_color = Color.GRAY
+
+func _on_code_edit_code_completion_requested():
+	for dt in gdshader_datatypes:
+		code_editor.code_completion_prefixes.append(dt)
+		code_editor.add_code_completion_option(CodeEdit.KIND_CLASS, dt, dt, Color.INDIAN_RED)
+	for bi in gdshader_builtins:
+		code_editor.code_completion_prefixes.append(bi)
+		code_editor.add_code_completion_option(CodeEdit.KIND_VARIABLE, bi, bi, Color.DARK_TURQUOISE)
+	for fc in gdshader_flow_control:
+		code_editor.code_completion_prefixes.append(fc)
+		code_editor.add_code_completion_option(CodeEdit.KIND_PLAIN_TEXT, fc, fc, Color.DARK_TURQUOISE)
+	code_editor.update_code_completion_options(true)
+
+#
+
+func _ready():
+	code_editor.code_completion_enabled = true
+	code_editor.syntax_highlighter = ShaderSyntaxHighlighter.new()
+	for c in get_children():
+		c.connect("mouse_entered", camera_freeze)
+		c.connect("mouse_exited", camera_unfreeze)
+	update()
+
+func _on_code_edit_text_changed():
+	var shader = Shader.new()
+	shader.code = code_editor.text
+	code_editor.request_code_completion()
+	GlitchShader.shader = shader
+	GlitchShader.apply()
+
+func _on_preset_options_item_selected(index):
+	selected_preset_name = preset_options.get_item_text(index)
+	GlitchShader.shader = ShaderPresets.presets[selected_preset_name]
+	GlitchShader.apply()
+	update()
+
+func update():
+	preset_options.clear()
+	# the following lines are weird af
+	var presets: Array[String] = []
+	var current_p_idx = 0
+	for p in ShaderPresets.presets:
+		presets.append(p)
+		if p == selected_preset_name:
+			current_p_idx = len(presets) - 1
+		preset_options.add_item(p)
+	preset_options.select(current_p_idx)
+	# weirdness ends here
+	code_editor.text = GlitchShader.shader.code