$(->
	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([
		"sfx/match.wav"
		"sfx/swap.wav"
	])
	###
	
	manager.prepare ->
		# Set up the engine
		engine.addCanvas($("#gamecanvas"));
		
		engine.setPreloadScene(engine.createScene("loader"))
		engine.setInitialScene(engine.createScene("main"))
		
		manager.load ->
			# Game asset initialization...
			engine.createSprite("cursor", "images/cursor.png")

			engine.createSprite("diamond", "images/diamond.png")
			engine.createSprite("diamond_inverted", "images/diamond_inverted.png")
			engine.createSprite("diamond_shimmer", "images/diamond_shimmer.png")

			engine.createSprite("yellow", "images/yellow.png")
			engine.createSprite("yellow_inverted", "images/yellow_inverted.png")
			engine.createSprite("yellow_shimmer", "images/yellow_shimmer.png")

			engine.createSprite("blue", "images/blue.png")
			engine.createSprite("blue_inverted", "images/blue_inverted.png")
			engine.createSprite("blue_shimmer", "images/blue_shimmer.png")
			
			# Object definitions
			loader = engine.createObject("loader")

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