[asciilib] setting up graphics backend

projects/asciilib2/src/asciilib/Game.hx

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+package asciilib;
+
+@:build(kiss.Kiss.build("src/asciilib/Game.kiss"))
+class Game {}

projects/asciilib2/src/asciilib/Game.kiss

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+(defnew [:String title 
+            :Int width
+            :Int height
+            :Int letterWidth
+            :Int letterHeight
+            :GameLogic gameLogic
+            :GraphicsBackend _graphicsBackend]
+    [graphics (new Graphics width height)
+        logic gameLogic
+        graphicsBackend _graphicsBackend]
+    
+    (graphicsBackend.initialize title width height letterWidth letterHeight))
+
+(defmethod update [:Float deltaSeconds]
+    (gameLogic.update deltaSeconds))
+
+(defmethod draw []
+    (graphicsBackend.draw graphics))

projects/asciilib2/src/asciilib/GameLogic.hx

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+package asciilib;
+
+interface GameLogic {
+    public function update(deltaSeconds:Float):Void;
+    public function draw(graphics:Graphics):Void;
+}

projects/asciilib2/src/asciilib/Graphics.hx

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+package asciilib;
+
+@:build(kiss.Kiss.build("src/asciilib/Graphics.kiss"))
+class Graphics {}

projects/asciilib2/src/asciilib/Graphics.kiss

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+(defnew [width height]
+    [surface (new Surface width height)])

projects/asciilib2/src/asciilib/GraphicsBackend.hx

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+package asciilib;
+
+interface GraphicsBackend {
+    function initialize(title:String, width:Int, height:Int, letterWidth:Int, letterHeight:Int):Void;
+    function draw(graphics:Graphics):Void;
+}