WIP

hGameTest/Makefile

@@ -0,0 +1,24 @@
+# Makefile for standalone OpenFL application
+
+# Default target
+.PHONY: all
+all: build
+
+# Build the application
+.PHONY: build
+build:
+	haxe build.hxml
+
+# Run the compiled application
+.PHONY: run
+run:
+	bash -c "cd bin/cpp && ./ApplicationMain"
+
+# Build and run the application
+.PHONY: test
+test: build run
+
+# Clean build artifacts
+.PHONY: clean
+clean:
+	rm -rf bin/cpp

hGameTest/Project.hx

@@ -17,7 +17,8 @@ class Project extends HXProject {
         // App settings
         app.main = "Main";
         app.file = "hgame";
-        app.path = "bin";
+        app.path = "bin/openfl-build-chain";
+        app.preloader = "HGamePreloader";
         
 
         // Window config
@@ -52,6 +53,8 @@ class Project extends HXProject {
         haxeflags.push("--macro keep('Main')");
         haxeflags.push("-dce full");
 
-        // target = Platform.LINUX;
+        target = Platform.LINUX;
+
+
     }
 }

hGameTest/assets/data/config.json

@@ -0,0 +1,3 @@
+{
+    
+}

hGameTest/assets/data/img/placeholder.txt

@@ -0,0 +1 @@
+This file is intentionally left blank.

hGameTest/assets/data/textures.json

@@ -0,0 +1,18 @@
+{
+    "dataScheme":"textureList",
+    "version":1,
+    "textureData": {
+        "spriteSheets":[{
+                "sheetName":"testSheet",
+                "path":"sheets/sheet.png",
+                "sheetDataPath":"sheets/sheet.json",
+                "explicitDimensions":true,
+                "tileDimensions":{"width":16,"height":16}
+        }],
+        "sprites":
+        [{
+                "spriteName":"player",
+                "path":"individual/character.png"
+        }]
+    }
+}

hGameTest/build.hxml

@@ -1,9 +1,31 @@
--lib actuate
--lib lime 
+-main ApplicationMain 
+
 -lib openfl
--lib hxp 
+-lib lime
+-lib actuate
+-lib hxcpp-debug-server
 
---main ApplicationMain
 -cp src
-
---cpp bin/cpp
+-D lime-harfbuzz
+-D lime-openal
+-D lime-threads
+-D tools=8.2.2
+-D lime-cairo
+-D lime-opengl
+# -D no-compilation
+-D native
+-D lime-curl
+-D lime-native
+-D lime-vorbis
+-D openfl-native
+-D lime-cffi
+-D linux
+-D desktop
+-D debug
+--remap flash:openfl
+-cpp bin/cpp
+--macro keep("Main")
+--macro keep("Assets")
+--macro keep("AssetMacro")
+--macro addGlobalMetadata('', '@:build(engine.macros.ConVarDecorators.build())')
+# --macro macros.MacroLoader.run()

hGameTest/src/ApplicationMain.hx

@@ -1,26 +1,39 @@
+/*
+ * Copyright (c) 2025 ${company}
+ * Author: ${author}
+ * License: ${license}
+ */
+// TODO: kanker
 package;
 
+import openfl.events.Event;
 #if macro
 import haxe.macro.Compiler;
 import haxe.macro.Context;
 import haxe.macro.Expr;
 #end
 
+
 @:access(lime.app.Application)
 @:access(lime.system.System)
 @:access(openfl.display.Stage)
 @:access(openfl.events.UncaughtErrorEvents)
 @:dox(hide)
+
 class ApplicationMain
 {
+	/**
+	 * [Description]
+	 *  
+	 */
 	#if !macro
 	public static function main()
 	{
-		lime.system.System.__registerEntryPoint("::APP_FILE::", create);
+		lime.system.System.__registerEntryPoint("MinimalApplication", create);
 
 		#if (js && html5)
 		#if (munit || (utest && openfl_enable_utest_legacy_mode))
-		lime.system.System.embed("::APP_FILE::", null, ::WIN_WIDTH::, ::WIN_HEIGHT::);
+		lime.system.System.embed("MinimalApplication", null, 800, 600);
 		#end
 		#else
 		create(null);
@@ -35,49 +48,48 @@ class ApplicationMain
 		ManifestResources.init(config);
 		#end
 
-		app.meta["build"] = "::meta.buildNumber::";
-		app.meta["company"] = "::meta.company::";
-		app.meta["file"] = "::APP_FILE::";
-		app.meta["name"] = "::meta.title::";
-		app.meta["packageName"] = "::meta.packageName::";
-		app.meta["version"] = "::meta.version::";
+		
 
-		::if (config.hxtelemetry != null)::#if hxtelemetry
-		app.meta["hxtelemetry-allocations"] = "::config.hxtelemetry.allocations::";
-		app.meta["hxtelemetry-host"] = "::config.hxtelemetry.host::";
-		#end::end::
+		app.meta["build"] = "48";
+		app.meta["company"] = "Company Name";
+		app.meta["file"] = "MinimalApplication";
+		app.meta["name"] = "MinimalApplication";
+		app.meta["packageName"] = "com.sample.minimalapplication";
+		app.meta["version"] = "1.0.0";
+
+		
 
 		#if !flash
-		::foreach windows::
+		
 		var attributes:lime.ui.WindowAttributes = {
-			allowHighDPI: ::allowHighDPI::,
-			alwaysOnTop: ::alwaysOnTop::,
-			borderless: ::borderless::,
-			// display: ::display::,
+			allowHighDPI: false,
+			alwaysOnTop: false,
+			borderless: false,
+			// display: 0,
 			element: null,
-			frameRate: ::fps::,
-			#if !web fullscreen: ::fullscreen::, #end
-			height: ::height::,
-			hidden: #if munit true #else ::hidden:: #end,
-			maximized: ::maximized::,
-			minimized: ::minimized::,
-			parameters: ::parameters::,
-			resizable: ::resizable::,
-			title: "::title::",
-			width: ::width::,
-			x: ::x::,
-			y: ::y::,
+			frameRate: 30,
+			#if !web fullscreen: false, #end
+			height: 600,
+			hidden: #if munit true #else false #end,
+			maximized: false,
+			minimized: false,
+			parameters: {},
+			resizable: true,
+			title: "MinimalApplication",
+			width: 800,
+			x: null,
+			y: null,
 		};
 
 		attributes.context = {
-			antialiasing: ::antialiasing::,
-			background: ::background::,
-			colorDepth: ::colorDepth::,
-			depth: ::depthBuffer::,
-			hardware: ::hardware::,
-			stencil: ::stencilBuffer::,
+			antialiasing: 0,
+			background: 16777215,
+			colorDepth: 32,
+			depth: true,
+			hardware: true,
+			stencil: true,
 			type: null,
-			vsync: ::vsync::
+			vsync: false
 		};
 
 		if (app.window == null)
@@ -103,13 +115,14 @@ class ApplicationMain
 		}
 
 		app.createWindow(attributes);
-		::end::
+		
 		#elseif air
-		app.window.title = "::meta.title::";
+		app.window.title = "MinimalApplication";
 		#else
-		app.window.context.attributes.background = ::WIN_BACKGROUND::;
-		app.window.frameRate = ::WIN_FPS::;
+		app.window.context.attributes.background = 16777215;
+		app.window.frameRate = 30;
 		#end
+		
 
 		var preloader = getPreloader();
 		app.preloader.onProgress.add (function(loaded, total)
@@ -120,7 +133,6 @@ class ApplicationMain
 		{
 			@:privateAccess preloader.start();
 		});
-
 		preloader.onComplete.add(start.bind((cast app.window:openfl.display.Window).stage));
 
 		#if !disable_preloader_assets
@@ -188,7 +200,7 @@ class ApplicationMain
 	{
 		var hasMain = false;
 
-		switch (Context.follow(Context.getType("::APP_MAIN::")))
+		switch (Context.follow(Context.getType("Main")))
 		{
 			case TInst(t, params):
 
@@ -204,7 +216,7 @@ class ApplicationMain
 
 				if (hasMain)
 				{
-					return Context.parse("@:privateAccess ::APP_MAIN::.main()", Context.currentPos());
+					return Context.parse("@:privateAccess Main.main()", Context.currentPos());
 				}
 				else if (type.constructor != null)
 				{
@@ -223,12 +235,12 @@ class ApplicationMain
 				}
 				else
 				{
-					Context.fatalError("Main class \"::APP_MAIN::\" has neither a static main nor a constructor.", Context.currentPos());
+					Context.fatalError("Main class \"Main\" has neither a static main nor a constructor.", Context.currentPos());
 				}
 
 			default:
 
-				Context.fatalError("Main class \"::APP_MAIN::\" isn't a class.", Context.currentPos());
+				Context.fatalError("Main class \"Main\" isn't a class.", Context.currentPos());
 		}
 
 		return null;
@@ -236,8 +248,8 @@ class ApplicationMain
 
 	macro public static function getPreloader()
 	{
-		::if (PRELOADER_NAME != "")::
-		var type = Context.getType("::PRELOADER_NAME::");
+		
+		var type = Context.getType("HGamePreloader");
 
 		switch (type)
 		{
@@ -251,7 +263,7 @@ class ApplicationMain
 					{
 						return macro
 						{
-							new ::PRELOADER_NAME::();
+							new HGamePreloader();
 						};
 					}
 
@@ -270,16 +282,12 @@ class ApplicationMain
 
 		return macro
 		{
-			new openfl.display.Preloader(new ::PRELOADER_NAME::());
+			new openfl.display.Preloader(new HGamePreloader());
 		}
-		::else::
-		return macro
-		{
-			new openfl.display.Preloader(new openfl.display.Preloader.DefaultPreloader());
-		};
-		::end::
+		
 	}
 
+
 	#if !macro
 	@:noCompletion @:dox(hide) public static function __init__()
 	{
@@ -326,7 +334,7 @@ class ApplicationMain
 
 #if !macro
 @:build(DocumentClass.build())
-@:keep @:dox(hide) class DocumentClass extends ::APP_MAIN:: {}
+@:keep @:dox(hide) class DocumentClass extends Main {}
 #else
 class DocumentClass
 {

hGameTest/src/Assets.hx

@@ -0,0 +1,29 @@
+package;
+
+/**
+ * Asset definition class using meta tags instead of project.xml
+ * The AssetMacro will process these declarations at compile time
+ */
+@:build(macros.AssetMacro.build())  // Fix: use fully qualified path with package name
+@:keep
+class Assets {
+    // Define image assets
+    @:Assets("assets/images/", "images")
+    private static var images:String;
+    
+    // Define sound assets
+    @:Assets("assets/sounds/", "sounds")
+    private static var sounds:String;
+    
+    // Define font assets
+    @:Assets("assets/fonts/", "fonts")
+    private static var fonts:String;
+    
+    // Define data assets
+    @:Assets("assets/data/", "data")
+    private static var data:String;
+    
+    // You can also define individual files if needed
+    // @:Assets("assets/images/logo.png", "images", "logo.png")
+    // public static var logo:String;
+}

hGameTest/src/HGamePreloader.hx

@@ -0,0 +1,200 @@
+package;
+
+import openfl.events.ProgressEvent;
+import openfl.Lib;
+import haxe.Timer;
+import openfl.events.KeyboardEvent;
+import openfl.text.TextField;
+import openfl.display.Preloader;
+import openfl.events.Event;
+import openfl.display.Sprite;
+
+@:keep @:noCompletion #if display private #end class __ASSET__fonts_terminus_ttf extends lime.text.Font {
+	public function new() {
+		__fontPath = ManifestResources.rootPath + "fonts/Terminus.ttf";
+		name = "Terminus (TTF)";
+		super();
+	}
+}
+
+class HGamePreloader extends Sprite {
+	public static var preloadScreen:HGamePreloader;
+
+	private var textField:TextField;
+
+	public function new() {
+		super();
+
+		init();
+		initUI();
+
+		// openfl.Lib.current.addChild(preloadScreen);
+		trace("Preloader initialized");
+		textField.text = "Preloader ...";
+
+		this.addEventListener(Event.COMPLETE, onComplete);
+		this.addEventListener(ProgressEvent.PROGRESS, (e:ProgressEvent) -> {
+			trace(e.bytesLoaded + "/" + e.bytesTotal);
+			onUpdate(cast e.bytesLoaded, cast e.bytesTotal);
+		});
+		Lib.current.stage.addEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);
+		Lib.current.stage.addEventListener(KeyboardEvent.KEY_UP, onDismiss);
+	}
+
+	public function onComplete(event:Event) {
+		event.preventDefault();
+		trace("Preloader complete");
+	}
+
+	public function pltrace(msg:String) {
+		trace(msg);
+		if (textField != null) {
+			textField.text += "\n" + msg;
+		}
+	}
+
+	public var initialized:Bool = false;
+
+	public function init() {
+		// Preload assets
+		trace("Preloading assets...");
+		registerFonts();
+		// Add your asset loading logic here
+		// For example, you can load images, sounds, etc.
+		// You can use openfl.Assets.loadBitmapData() or openfl.Assets.loadSound() to load assets
+		// and then add them to the preloadScreen or do any other processing you need.
+
+		// Require clicking to start the game
+		// Add an event listener to the stage to check for input
+		initialized = true;
+	}
+
+	public function onUpdate(loaded:Int, total:Int) {
+		trace("Preloader update: " + loaded + "/" + total);
+		// Update the preloader screen
+		// You can update the progress bar or any other UI elements here
+		// For example, you can use textField.text to show loading progress
+		// textField.text = "Loading... " + Math.round(progress * 100) + "%";
+		if (textField != null) {
+			textField.text = "Loading... " + Math.round(loaded / total * 100) + "%";
+		}
+		// You can also update the preloader screen's graphics or animations here
+		// For example, you can change the color or size of the preloader screen
+
+		preloadScreen.graphics.clear();
+		preloadScreen.graphics.beginFill(Math.random() * 0xFFFFFF);
+		preloadScreen.graphics.drawRect(0, 0, 800, 600);
+		preloadScreen.graphics.endFill();
+	}
+
+	public function registerFonts() {
+		@:privateAccess
+		var fontLibrary = openfl.utils.Assets.getLibrary("fonts");
+		if (fontLibrary == null) {
+			trace("Font library not found");
+			return;
+		}
+		var fontAssets:Array<Dynamic> = fontLibrary.list('FONT');
+		if (fontAssets == null) {
+			trace("Font assets not found");
+			return;
+		}
+		for (fontAsset in fontAssets) {
+			trace('fontAsset: ${fontAsset}');
+			var font = fontLibrary.getFont(fontAsset);
+			if (font == null) {
+				trace("Font not found: " + fontAsset);
+				continue;
+			}
+            trace(@:privateAccess font.__fontPath);
+
+			openfl.text.Font.registerFont(font);
+			
+            trace("Font registered: " + fontAsset);
+		}
+	}
+
+	public function onDismiss(event:KeyboardEvent) {
+		trace("Preloader dismissed");
+
+		if (preloadScreen == null || openfl.Lib.current == null)
+			return;
+
+		if (event.keyCode != openfl.ui.Keyboard.ENTER)
+			return this.removeEventListener(KeyboardEvent.KEY_UP, onDismiss);
+
+		openfl.Lib.current.removeChild(preloadScreen);
+		// var app = ApplicationMain.app;
+		dispatchEvent(new Event(Event.UNLOAD));
+	}
+
+	public function initUI() {
+		// Initialize the UI elements
+		trace("Initializing UI...");
+		// You can add your UI initialization logic here
+		// For example, you can create buttons, sliders, etc.
+		// and add them to the preloadScreen or any other container
+		preloadScreen = this;
+		preloadScreen.graphics.beginFill(0x000000);
+		preloadScreen.graphics.drawRect(0, 0, 800, 600);
+		preloadScreen.graphics.endFill();
+		preloadScreen.x = 0;
+		preloadScreen.y = 0;
+		preloadScreen.alpha = 0.5;
+		preloadScreen.scaleX = 1;
+		preloadScreen.scaleY = 1;
+		preloadScreen.mouseEnabled = false;
+		preloadScreen.mouseChildren = false;
+		preloadScreen.name = "preloadScreen";
+		preloadScreen.visible = true;
+		preloadScreen.cacheAsBitmap = true;
+		preloadScreen.filters = [];
+		preloadScreen.transform.colorTransform = new openfl.geom.ColorTransform(1, 1, 1, 1, 0, 0, 0, 0);
+		preloadScreen.transform.matrix = new openfl.geom.Matrix(1, 0, 0, 1, 0, 0);
+		preloadScreen.transform.matrix3D = new openfl.geom.Matrix3D();
+
+		textField = new openfl.text.TextField();
+		textField.x = 10;
+		textField.y = 10;
+		textField.width = 780;
+		textField.height = 580;
+		textField.multiline = true;
+		textField.wordWrap = true;
+		textField.selectable = false;
+		textField.autoSize = openfl.text.TextFieldAutoSize.LEFT;
+		textField.defaultTextFormat = new openfl.text.TextFormat("Arial", 12, 0xFFFFFF);
+		textField.embedFonts = true;
+		textField.antiAliasType = openfl.text.AntiAliasType.ADVANCED;
+		textField.background = true;
+		textField.backgroundColor = 0x000000;
+		textField.border = true;
+		textField.borderColor = 0xFFFFFF;
+		textField.textColor = 0xFFFFFF;
+		textField.text = "Loading...";
+		textField.alpha = 1;
+		textField.scaleX = 1;
+		textField.scaleY = 1;
+		textField.mouseEnabled = false;
+		textField.name = "textField";
+		textField.visible = true;
+		textField.cacheAsBitmap = true;
+		textField.filters = [];
+		textField.transform.colorTransform = new openfl.geom.ColorTransform(1, 1, 1, 1, 0, 0, 0, 0);
+		textField.transform.matrix = new openfl.geom.Matrix(1, 0, 0, 1, 0, 0);
+		textField.transform.matrix3D = new openfl.geom.Matrix3D();
+		preloadScreen.addChild(textField);
+	}
+
+	public function onKeyDown(event:KeyboardEvent) {
+		trace("Key pressed: " + event.keyCode);
+
+		if (!initialized)
+			return;
+
+		if (event.keyCode == openfl.ui.Keyboard.ENTER) {
+			// Start the game
+			trace("Starting game...");
+			openfl.Lib.current.stage.removeChild(preloadScreen);
+		}
+	}
+}

hGameTest/src/Main.hx

@@ -1,13 +1,8 @@
-import openfl.display.Window;
-import assets.Scanner;
-import game.video.Mode;
 import openfl.events.KeyboardEvent;
 import openfl.display.Sprite;
-import openfl.display.Stage;
 import openfl.events.Event;
 import game.Input;
 import game.Game;
-import game.video.Mode;
 
 class Main extends Sprite {
 	public function new () {
@@ -24,26 +19,13 @@ class Main extends Sprite {
 		stage.addEventListener(KeyboardEvent.KEY_UP,Input.onKeyIsUp);
 		stage.addEventListener(Event.RESIZE,onResize);
 		game.onInit();
-		//Mode.setVideoMode(1280, 960);
+
+
 	}
 	private function onResize (event:Event):Void {
-		
 		//Here we can do shit with window scaling
 		//stage.stageWidth;
 		//stage.stageHeight;
 	}
 
-	// static function main () {
-	// 	// Bootstrap the OpenFL project
-	// 	var application = new lime.app.Application();
-	// 	application.createWindow({
-	// 		hidden: false,
-	// 		x: 0,
-	// 		y: 0,
-	// 		width: 800,
-	// 		height: 600,
-	// 		title: "DSTEngine Window"
-	// 	});
-	// }
-
 }

hGameTest/src/ManifestResources.hx

@@ -0,0 +1,61 @@
+package;
+
+#if sys
+import haxe.io.Path;
+import openfl.utils.AssetLibrary;
+import openfl.utils.AssetManifest;
+import openfl.utils.Assets as LimeAssets;
+import sys.FileSystem;
+
+@:access(lime.utils.Assets)
+@:keep class ManifestResources {
+	public static var preloadLibraries:Array<AssetLibrary> = [];
+	public static var preloadLibraryNames:Array<String> = [];
+	public static var rootPath:String;
+
+	public static function init(config:Dynamic):Void {
+		loadManifests();
+	}
+	public static function loadManifests() {
+		rootPath = "";
+
+		var manifestDirPath = Path.join(["./manifest"]);
+
+		var manifestFiles = FileSystem.readDirectory(manifestDirPath);
+		
+		for (manifestFile in manifestFiles) {
+			var manifestPath = Path.join([manifestDirPath, manifestFile]);
+			
+			if (!StringTools.endsWith(manifestFile, ".json")){ 
+				trace('${manifestFile} is not a json file, skipping...');
+				continue;
+			}			
+
+			loadManifest(manifestPath, manifestFile.split(".json")[0]);
+		}
+	}
+
+	public static function loadManifest(manifestPath, manifestName) {
+		if (!FileSystem.exists(manifestPath)) {
+			trace("Manifest file not found: " + manifestPath);
+			return;
+		}
+		try {
+			var manifest = AssetManifest.fromFile(manifestPath);
+			if (manifest != null) {
+				var library = AssetLibrary.fromManifest(manifest);
+				if (library != null) {
+                    trace("Library: `"+library+"`");
+                    trace("manifestName: `"+manifestName+"`");
+					preloadLibraries.push(library);
+					preloadLibraryNames.push(manifestName);
+					// LimeAssets.registerLibrary(manifestName, library);
+                    openfl.utils.Assets.registerLibrary(manifestName, library);
+				}
+			}
+		} catch (e:Dynamic) {
+			trace("Error loading asset manifest: " + e);
+		}
+	}
+}
+#end

hGameTest/src/game/ui/text/TextFormats.hx

@@ -10,8 +10,16 @@ class TextFormats{
     public var cInputFmt:TextFormat;
     public var cOutputFmt:TextFormat;
     public function new(){
+        var font = Assets.getFont("fonts/Terminus.ttf");
         cInputFmt = new TextFormat(Assets.getFont("fonts/Terminus.ttf").fontName, 24, 0xffffff);
         cOutputFmt = new TextFormat(Assets.getFont("fonts/Terminus.ttf").fontName, 24, 0xffffff);
+        trace('font: ${font}');
+        trace('fontName: ${font.fontName}');
+        trace('fontStyle: ${font.fontStyle}');
+        trace('fontType: ${font.fontType}');
+        trace('fontGlyphs: ${font.getGlyphs()}');
+        trace(cInputFmt.font);
+        trace(cOutputFmt.font);
     }
     public static function getFormats():TextFormats
     {

hGameTest/src/macros/AssetMacro.hx

@@ -0,0 +1,269 @@
+package macros;
+
+import haxe.macro.Context;
+import haxe.macro.Expr;
+import haxe.macro.Type;
+import sys.FileSystem;
+import sys.io.File;
+import haxe.Json;
+using StringTools;
+
+/**
+ * Macro for processing @:Assets meta tags and building asset manifests
+ */
+@:keep
+class AssetMacro {
+    // Track all assets processed
+    private static var assetMap:Map<String, Array<{id:String, path:String, size:Int, type:String}>> = new Map();
+    
+    /**
+     * Entry point for the macro - called during compilation
+     */
+    public static function build():Array<Field> {
+        #if macro
+        Sys.println("AssetMacro.build() called - macro is running");
+        Context.warning("AssetMacro is running", Context.currentPos());
+        #end
+        
+        // Get current build context
+        var fields = Context.getBuildFields();
+        var localClass = Context.getLocalClass().get();
+        
+        #if macro
+        Sys.println("Processing class: " + localClass.name);
+        #end
+        
+        // Get the output directory from build.hxml
+        var outputDir = getOutputDir();
+        var manifestDir = outputDir + "/manifest";
+        var assetsOutputDir = outputDir + "/assets";
+        
+        // Create directories if they don't exist
+        createDirectory(manifestDir);
+        createDirectory(assetsOutputDir);
+        
+        // Process asset fields
+        for (field in fields) {
+            processField(field, assetsOutputDir);
+        }
+        
+        // Build the manifest files
+        buildManifests(manifestDir);
+        
+        return fields;
+    }
+    
+    /**
+     * Process a field for @:Assets meta
+     */
+    private static function processField(field:Field, assetsOutputDir:String) {
+        // Look for our custom meta
+        var assetsMeta = findAssetsMeta(field.meta);
+        if (assetsMeta == null) return;
+        
+        var params = assetsMeta.params;
+        if (params.length < 2) {
+            Context.error("@:Assets meta requires at least 2 parameters: source path and library name", assetsMeta.pos);
+            return;
+        }
+        
+        // Extract parameters
+        var sourcePath = extractString(params[0]);
+        var libraryName = extractString(params[1]);
+        var targetPath = params.length > 2 ? extractString(params[2]) : null;
+        
+        // Process directory or single file
+        if (FileSystem.exists(sourcePath)) {
+            if (FileSystem.isDirectory(sourcePath)) {
+                processDirectory(sourcePath, libraryName, assetsOutputDir);
+            } else {
+                processSingleFile(sourcePath, libraryName, targetPath, assetsOutputDir);
+            }
+        } else {
+            Context.warning('Asset source not found: ${sourcePath}', field.pos);
+        }
+    }
+    
+    /**
+     * Process a directory of assets
+     */
+    private static function processDirectory(sourcePath:String, libraryName:String, assetsOutputDir:String) {
+        if (!sourcePath.endsWith("/")) sourcePath += "/";
+        var targetDir = assetsOutputDir + "/" + libraryName + "/";
+        createDirectory(targetDir);
+        
+        function scanDir(path:String, relPath:String = "") {
+            if (!FileSystem.exists(path)) return;
+            
+            for (entry in FileSystem.readDirectory(path)) {
+                var fullPath = path + entry;
+                var relAssetPath = relPath + entry;
+                
+                if (FileSystem.isDirectory(fullPath)) {
+                    var newRelPath = relPath + entry + "/";
+                    var newTargetDir = targetDir + newRelPath;
+                    createDirectory(newTargetDir);
+                    scanDir(fullPath + "/", newRelPath);
+                } else {
+                    // Copy file and register in asset map
+                    var targetPath = targetDir + relAssetPath;
+                    try {
+                        File.copy(fullPath, targetPath);
+                        
+                        // Register asset
+                        if (!assetMap.exists(libraryName)) {
+                            assetMap.set(libraryName, []);
+                        }
+                        
+                        assetMap.get(libraryName).push({
+                            id: relAssetPath,
+                            path: relAssetPath,
+                            size: FileSystem.stat(fullPath).size,
+                            type: getAssetType(fullPath)
+                        });
+                    } catch (e) {
+                        Context.warning('Failed to copy asset: ${fullPath} -> ${targetPath}. Error: ${e}', Context.currentPos());
+                    }
+                }
+            }
+        }
+        
+        scanDir(sourcePath);
+    }
+    
+    /**
+     * Process a single file asset
+     */
+    private static function processSingleFile(sourcePath:String, libraryName:String, targetPath:String, assetsOutputDir:String) {
+        var targetDir = assetsOutputDir + "/" + libraryName + "/";
+        createDirectory(targetDir);
+        
+        var fileName = targetPath != null ? targetPath : sourcePath.split("/").pop();
+        var destPath = targetDir + fileName;
+        
+        try {
+            File.copy(sourcePath, destPath);
+            
+            // Register asset
+            if (!assetMap.exists(libraryName)) {
+                assetMap.set(libraryName, []);
+            }
+            
+            assetMap.get(libraryName).push({
+                id: fileName,
+                path: fileName,
+                size: FileSystem.stat(sourcePath).size,
+                type: getAssetType(sourcePath)
+            });
+        } catch (e) {
+            Context.warning('Failed to copy asset: ${sourcePath} -> ${destPath}. Error: ${e}', Context.currentPos());
+        }
+    }
+    
+    /**
+     * Build manifest JSON files for each library
+     */
+    private static function buildManifests(manifestDir:String) {
+        // Create an array to hold all assets for the default manifest
+        var allAssets = [];
+        
+        // First, process individual library manifests
+        for (library in assetMap.keys()) {
+            var assets = assetMap.get(library);
+            var manifest = {
+                name: library,
+                assets: assets,
+                rootPath: "../assets/" + library + "/"
+            };
+            
+            // Add assets to combined collection with library prefix
+            for (asset in assets) {
+                allAssets.push({
+                    id: library + "/" + asset.id,
+                    path: library + "/" + asset.path,
+                    size: asset.size,
+                    type: asset.type
+                });
+            }
+            
+            var manifestPath = manifestDir + "/" + library + ".json";
+            try {
+                var content = Json.stringify(manifest, null, "  ");
+                File.saveContent(manifestPath, content);
+                Context.info('Built manifest: ${manifestPath} with ${assets.length} assets', Context.currentPos());
+            } catch (e) {
+                Context.warning('Failed to write manifest: ${manifestPath}. Error: ${e}', Context.currentPos());
+            }
+        }
+        
+        // Create the default manifest with all assets
+        var defaultManifest = {
+            name: "default",
+            assets: allAssets,
+            rootPath: "../assets/"
+        };
+        
+        // Save the default manifest
+        var defaultManifestPath = manifestDir + "/default.json";
+        try {
+            var content = Json.stringify(defaultManifest, null, "  ");
+            File.saveContent(defaultManifestPath, content);
+            Context.info('Built default manifest: ${defaultManifestPath} with ${allAssets.length} assets', Context.currentPos());
+        } catch (e) {
+            Context.warning('Failed to write default manifest: ${defaultManifestPath}. Error: ${e}', Context.currentPos());
+        }
+    }
+    
+    // Helper functions
+    
+    private static function getOutputDir():String {
+        // Try to parse the --cpp argument from the build.hxml
+        var args = Sys.args();
+        for (i in 0...args.length) {
+            if (args[i] == "--cpp" && i < args.length - 1) {
+                return args[i + 1];
+            }
+        }
+        return "bin/cpp"; // Default output directory
+    }
+    
+    private static function createDirectory(path:String) {
+        if (!FileSystem.exists(path)) {
+            try {
+                FileSystem.createDirectory(path);
+            } catch (e) {
+                Context.warning('Failed to create directory: ${path}. Error: ${e}', Context.currentPos());
+            }
+        }
+    }
+    
+    private static function findAssetsMeta(metaAccess:Array<MetadataEntry>):MetadataEntry {
+        if (metaAccess == null) return null;
+        
+        for (meta in metaAccess) {
+            if (meta.name == ":Assets" || meta.name == "Assets") {
+                return meta;
+            }
+        }
+        return null;
+    }
+    
+    private static function extractString(expr:Expr):String {
+        switch (expr.expr) {
+            case EConst(CString(s)): return s;
+            default: Context.error("Expected string literal", expr.pos);
+        }
+        return null;
+    }
+    
+    private static function getAssetType(path:String):String {
+        var ext = path.split(".").pop().toLowerCase();
+        return (switch (ext) {
+            case "jpg", "jpeg", "png", "gif", "bmp": "image";
+            case "mp3", "ogg", "wav": "sound";
+            case "ttf", "otf": "font";
+            case "json", "xml", "txt": "text";
+            default: "binary";
+        }).toUpperCase();
+    }
+}