Added save files and tweaked some of the store mechanics.

src/Save.hx

@@ -0,0 +1,26 @@
+import com.haxepunk.Entity;
+import com.haxepunk.utils.Data;
+
+class Save extends Entity {
+
+	public function new() {
+		super();
+		Data.load("savegame.save");
+	}
+
+	public static function save(what:String, data:Dynamic) {
+		Data.write(what, data);
+		Data.save("savegame.save", true);
+	}
+
+	public static function load() {
+		var data = {
+			"current_ship" : Data.readString("ship" , "playerShip3_green"),
+			"current_laser" : Data.readString("laser", "laserGreen04.png"),
+			"has_heavy_laser" : Data.readBool("heavy_laser", false)
+		};
+
+		return data;
+	}
+
+}

src/StoreArrows.hx

@@ -10,6 +10,10 @@ class StoreArrows extends Entity {
 	public function new(x:Float, y:Float, type:Int) {
 		super(x - 230, y);
 		which = type;
+		if (type != 4)
+			currentItem = 1;
+		else 
+			currentItem = 0;
 
 		arrowLeft = new Image("graphics/fire05.png");
 		arrowLeft.angle = 90;
@@ -32,16 +36,28 @@ class StoreArrows extends Entity {
 	public override function update() {
 		super.update();
 
+		var storeItems:Array<StoreItem> = [];
+		this.scene.getClass(StoreItem, storeItems);
+
+		if (currentItem == 0) 
+			arrowLeft.visible = false;
+		else 
+			arrowLeft.visible = true;
+		if (currentItem == storeItems[which].items[which].length - 1) 
+			arrowRight.visible = false;
+		else
+			arrowRight.visible = true;
+
 		if (Input.mouseReleased) {
-			var storeItems:Array<StoreItem> = [];
-			this.scene.getClass(StoreItem, storeItems);
 
 			if (Input.mouseY > this.top && Input.mouseY < this.bottom) {
 				if (Input.mouseX > this.left && Input.mouseX < this.left + 100) {
 					storeItems[which].goLeft();
+					if (currentItem != 0) currentItem--;
 				}
 				if (Input.mouseX < this.right && Input.mouseX > this.right - 100) {
 					storeItems[which].goRight();
+					if (currentItem != storeItems[which].items[which].length - 1) currentItem++;
 				}
 			}
 		}
@@ -67,4 +83,5 @@ class StoreArrows extends Entity {
 	private var arrowLeft:Image;
 	private var arrowRight:Image;
 	private var which:Int;
+	private var currentItem:Int;
 }

src/StoreItem.hx

@@ -93,7 +93,7 @@ class StoreItem extends Entity {
 		"Heavy Laser"
 	];
 
-	private var items:Array<Array<String>> = [
+	public var items:Array<Array<String>> = [
 		[
 			"playerShip3_green.png",
 			"playerShip3_blue.png",

src/StoreScene.hx

@@ -7,6 +7,8 @@ import openfl.Assets;
 import StoreItem;
 import StoreArrows;
 
+import Save;
+
 class StoreScene extends Scene {
 	
 	public override function begin() {
@@ -20,6 +22,8 @@ class StoreScene extends Scene {
 			add(new StoreItem(HXP.halfWidth, 200 + (i * 200), i));
 			add(new StoreArrows(HXP.halfWidth, 200 + (i * 200), i));
 		}
+
+		trace(Save.load());
 	}
 
 	public override function update() {