Merge branch 'main' into translations-system

source/funkin/backend/shaders/BlendModeEffect.hx

@@ -3,11 +3,13 @@ package funkin.backend.shaders;
 import flixel.util.FlxColor;
 import openfl.display.ShaderParameter;
 
+@:dox(hide)
 typedef BlendModeShader =
 {
 	var uBlendColor:ShaderParameter<Float>;
 }
 
+@:dox(hide)
 class BlendModeEffect
 {
 	public var shader(default, null):BlendModeShader;

source/funkin/backend/shaders/FunkinShader.hx

@@ -215,8 +215,8 @@ class FunkinShader extends FlxShader implements IHScriptCustomBehaviour {
 		if(value == null)
 			value = ShaderTemplates.defaultFragmentSource;
 		glRawFragmentSource = value;
-		value = value.replace("#pragma header", ShaderTemplates.fragHeader).replace("#pragma body", ShaderTemplates.fragBody);
 		value = processImports(value, FRAGMENT_SHADER);
+		value = value.replace("#pragma header", ShaderTemplates.fragHeader).replace("#pragma body", ShaderTemplates.fragBody);
 		if (value != __glFragmentSource)
 		{
 			__glSourceDirty = true;
@@ -230,8 +230,19 @@ class FunkinShader extends FlxShader implements IHScriptCustomBehaviour {
 		if(value == null)
 			value = ShaderTemplates.defaultVertexSource;
 		glRawVertexSource = value;
-		value = value.replace("#pragma header", ShaderTemplates.vertHeader).replace("#pragma body", ShaderTemplates.vertBody);
 		value = processImports(value, VERTEX_SHADER);
+
+		var useBackCompat:Bool = true;
+		for (regex in ShaderTemplates.vertBackCompatVarList) if (!regex.match(value)) {
+			useBackCompat = false;
+			break;
+		}
+
+		var header = useBackCompat ? ShaderTemplates.vertHeaderBackCompat : ShaderTemplates.vertHeader;
+		var body = useBackCompat ? ShaderTemplates.vertBodyBackCompat : ShaderTemplates.vertBody;
+
+		value = value.replace("#pragma header", header).replace("#pragma body", body);
+
 		if (value != __glVertexSource)
 		{
 			__glSourceDirty = true;
@@ -521,7 +532,7 @@ class FunkinShader extends FlxShader implements IHScriptCustomBehaviour {
 
 		// cant do "field is ShaderInput" because ShaderInput has the @:generic metadata
 		// aka instead of ShaderInput<Float> it gets built as ShaderInput_Float
-		// this should be fine tho because we check the class, and the fields dont vary based on the type
+		// this should be fine tho because we check the class, and the fields don't vary based on the type
 
 		// thanks for looking in the code cne fans :D!! -lunar
 
@@ -673,6 +684,38 @@ if(hasColorTransform) {
 
 gl_Position = openfl_Matrix * openfl_Position;";
 
+// TODO: make this ignore comments
+public static final vertBackCompatVarList:Array<EReg> = [
+	~/attribute float alpha/,
+	~/attribute vec4 colorMultiplier/,
+	~/attribute vec4 colorOffset/,
+	~/uniform bool hasColorTransform/
+];
+
+public static final vertHeaderBackCompat:String = "attribute float openfl_Alpha;
+attribute vec4 openfl_ColorMultiplier;
+attribute vec4 openfl_ColorOffset;
+attribute vec4 openfl_Position;
+attribute vec2 openfl_TextureCoord;
+
+varying float openfl_Alphav;
+varying vec4 openfl_ColorMultiplierv;
+varying vec4 openfl_ColorOffsetv;
+varying vec2 openfl_TextureCoordv;
+
+uniform mat4 openfl_Matrix;
+uniform bool openfl_HasColorTransform;
+uniform vec2 openfl_TextureSize;";
+
+public static final vertBodyBackCompat:String = "openfl_Alphav = openfl_Alpha;
+openfl_TextureCoordv = openfl_TextureCoord;
+
+if(openfl_HasColorTransform) {
+	openfl_ColorMultiplierv = openfl_ColorMultiplier;
+	openfl_ColorOffsetv = openfl_ColorOffset / 255.0;
+}
+
+gl_Position = openfl_Matrix * openfl_Position;";
 
 	public static final defaultVertexSource:String = "#pragma header
 

source/funkin/backend/shaders/OverlayShader.hx

@@ -2,6 +2,7 @@ package funkin.backend.shaders;
 
 import flixel.system.FlxAssets.FlxShader;
 
+@:dox(hide)
 class OverlayShader extends FlxShader
 {
 	@:glFragmentSource('

source/funkin/backend/shaders/WiggleEffect.hx

@@ -3,6 +3,7 @@ package funkin.backend.shaders;
 // STOLEN FROM HAXEFLIXEL DEMO LOL
 import flixel.system.FlxAssets.FlxShader;
 
+@:dox(hide)
 enum WiggleEffectType
 {
 	DREAMY;
@@ -12,6 +13,7 @@ enum WiggleEffectType
 	FLAG;
 }
 
+@:dox(hide)
 class WiggleEffect
 {
 	public var shader(default, null):WiggleShader = new WiggleShader();
@@ -59,6 +61,7 @@ class WiggleEffect
 	}
 }
 
+@:dox(hide)
 class WiggleShader extends FlxShader
 {
 	@:glFragmentSource('