package Trackable
	import HashMap

	/*
	If you need invisible trackable models here are a few downloadlinks:
	8x8 			"https://dl.dropbox.com/u/103859688/Trackables/8x8Track.mdx"
	16x16		"https://dl.dropbox.com/u/103859688/Trackables/16x16Track.mdx"
	32x32		"https://dl.dropbox.com/u/103859688/Trackables/32x32Track.mdx"
	64x64		"https://dl.dropbox.com/u/103859688/Trackables/64x64Track.mdx"
	128x128 	"https://dl.dropbox.com/u/103859688/Trackables/128x128Track.mdx"
	256x256 	"https://dl.dropbox.com/u/103859688/Trackables/256x256Track.mdx"
	512x512	"https://dl.dropbox.com/u/103859688/Trackables/512x512Track.mdx"
	*/

	public interface TrackableAction

		function run(TrackableEx clickedTrackable, player clickingPlayer)

	public class TrackableEx
		private static constant real doubleClickSpeed = 0.5

		private static timer array playerDoubleClickTimer
		private static boolean array playerClickBefore
		private static HashMap<trackable, player> trackableOwner= new HashMap<trackable, player>()
		private static HashMap<trackable, thistype> trackableObjects = new HashMap<trackable, thistype>()
		private static trigger trackTrigger = CreateTrigger()..addAction(() -> trackableObjects.get(GetTriggeringTrackable()).trackHandler(trackableOwner.get(GetTriggeringTrackable())))
		private static trigger clickTrigger = CreateTrigger()..addAction(() -> trackableObjects.get(GetTriggeringTrackable()).clickHandler(trackableOwner.get(GetTriggeringTrackable())))

		private TrackableAction onTrack = null
		private TrackableAction onClick = null
		private TrackableAction onDoubleClick = null

		/** Creates a trackable at the target location. The trackable is clickable for all players */
		construct(vec2 pos, string path)
			for int i = 0 to 11
				if GetPlayerSlotState(Player(i)) == PLAYER_SLOT_STATE_PLAYING and GetPlayerController(Player(i)) == MAP_CONTROL_USER
					string newPath = ""
					if GetLocalPlayer() == Player(i)
						newPath = path
					trackable t = CreateTrackable(newPath, pos.x, pos.y, 0)
					trackableOwner.put(t, Player(i))
					trackableObjects.put(t, this)
					trackTrigger.registerTrackableTrackEvent(t)
					clickTrigger.registerTrackableHitEvent(t)

		private function trackHandler(player p)
			if onTrack != null
				onTrack.run(this, p)

		private function clickHandler(player p)
			if onDoubleClick != null
				if playerClickBefore[p.getId()]
					onDoubleClick.run(this, p)
					playerClickBefore[p.getId()] = false
					playerDoubleClickTimer[p.getId()].pause()
				else
					playerDoubleClickTimer[p.getId()].start(doubleClickSpeed, () -> begin
						playerClickBefore[GetExpiredTimer().getData()] = false
					end)
					playerClickBefore[p.getId()] = true
					onClick.run(this, p)
			else
				if onClick != null
					onClick.run(this, p)

		/** Sets the action that is executed when the trackable gets hovered */
		function onTrack(TrackableAction action)
			onTrack = action

		/** Sets the action that is executed when the trackable gets clicked */
		function onClick(TrackableAction action)
			onClick = action

		/** Sets the action that is executed when the trackable gets doubleclicked */
		function onDoubleClick(TrackableAction action)
			if onDoubleClick == null
				for int i = 0 to 11
					if GetPlayerSlotState(Player(i)) == PLAYER_SLOT_STATE_PLAYING and GetPlayerController(Player(i)) == MAP_CONTROL_USER
						playerDoubleClickTimer[i] = getTimer()..setData(i)
			onDoubleClick = action

	/** Creates a Trackable at the target location*/
	public function createTrackable(vec2 pos, angle ang, string path) returns trackable
		return CreateTrackable(path, pos.x, pos.y, ang.degrees())

endpackage