$(->
	manager = new ResourceManager("gemswap/assets")
	engine = new Engine(manager)
	window.debug_engine = engine
	###
	# Configure pre-loading assets
	manager.addImages([
		"images/loading_screen.png"
	], true)
	###

	# Configure game assets
	manager.addImages([
		"images/cursor.png"
		"images/diamond.png"
		"images/diamond_inverted.png"
		"images/diamond_shimmer.png"
		"images/yellow.png"
		"images/yellow_inverted.png"
		"images/yellow_shimmer.png"
		"images/blue.png"
		"images/blue_inverted.png"
		"images/blue_shimmer.png"
	])

	###manager.addSounds([
		"music/music.wav"
	])###
	
	# Set up the engine
	engine.addCanvas($("#gamecanvas"));
	engine.setPreloadScene(engine.createScene("loader"))
	engine.setInitialScene(engine.createScene("main"))
	
	manager.prepare ->
		# Let's go!
		engine.start()
		
		# Scene configuration
		engine.getScene("loader").onLoad = ->
			# Loading screen
			@createInstance("loader", 0, 0)

		engine.getScene("main").onLoad = ->
			# Actual game initialization
			@createInstance("cursor", 0, 0)

			for x in [10 .. 728] by 80
				for y in [10 .. 550] by 80
					@createInstance("diamond", x, y)
					
		# Loader object
		loader = engine.createObject("loader")

		loader.onStep = -> true
		loader.onDraw = ->
			engine.draw.rectangle(0, 0, 800 * manager.file_progress, 64, {fillColor: "#CCCCCC", fill: true})
			engine.draw.rectangle(0, 64, 800 * manager.total_progress, 128, {fillColor: "#AAAAAA", fill: true})

		manager.load ->
			# Game asset initialization...
			engine.createSprites({
				"cursor": "images/cursor.png",
				"diamond": "images/diamond.png",
				"diamond_inverted": "images/diamond_inverted.png",
				"diamond_shimmer": "images/diamond_shimmer.png",
				"yellow": "images/yellow.png",
				"yellow_inverted": "images/yellow_inverted.png",
				"yellow_shimmer": "images/yellow_shimmer.png",
				"blue": "images/blue.png",
				"blue_inverted": "images/blue_inverted.png",
				"blue_shimmer": "images/blue_shimmer.png",
			})
			
			# Object definitions
			cursor = engine.createObject("cursor")
			cursor.sprite = engine.getSprite("cursor")
			
			cursor.onStep = ->
				$("#debug").html("Mouse coords: #{@scene.mouse_x} / #{@scene.mouse_y}<br>Frameskip: #{@engine.frameskip}")
				
			cursor.onDraw = ->
				#engine.draw.rectangle(20, 20, 400, 400, {fillColor: "#FFFFFF", fill: true})
			
			diamond = engine.createObject("diamond")
			diamond.sprite = engine.getSprite("diamond")
			diamond.draw_sprite = false
			
			diamond.onCreate = ->
				@fade_value = 0.3
				@shimmer_value = @engine.ease.circInOut(0, 0.8, engine.random.number(200, 350), null, true, true)
				@gem_type = @engine.random.pick("diamond", "yellow", "blue")

			diamond.onStep = ->
				return true

			diamond.onDraw = ->
				@engine.getSprite(@gem_type).draw(@x, @y)

				@engine.getSprite("#{@gem_type}_inverted").draw(@x, @y, {
					alpha: @fade_value
				})

				@engine.getSprite("#{@gem_type}_shimmer").draw(@x - 14, @y - 14, {
					alpha: @shimmer_value
				})

			diamond.onMouseOver = ->
				@fade_value = @engine.ease.quadInOut(0.3, 0.7, 10, @engine.ease.bounceOut(0.7, 0.3, 65))

				cursor = @engine.getObject("cursor").getInstances()[0]
				cursor.x = @engine.ease.quadInOut(cursor.x, @x - 9, 8)
				cursor.y = @engine.ease.quadInOut(cursor.y, @y - 9, 8)
			
)