var ROOM_LOWER_LIMIT:Number = -3646;
var ROOM_UPPER_LIMIT:Number = 0;

var SCROLLER_LOWER_LIMIT:Number = 100;
var SCROLLER_UPPER_LIMIT:Number = 600;

var ROOM_RANGE:Number = ROOM_UPPER_LIMIT- ROOM_LOWER_LIMIT;
var SCROLLER_RANGE:Number = SCROLLER_UPPER_LIMIT- SCROLLER_LOWER_LIMIT;

var SCROLLER_FENCE:Rectangle = new Rectangle(SCROLLER_LOWER_LIMIT, _scroll_box.y, SCROLLER_RANGE, 0);

var _sound_player:Object = {
	current_channel: null,
	play_sound: function(str:String) {
		if (this.current_channel) {
			this.current_channel.stop();;
		}
		this.current_channel = this[str].play(0);
	},
	poster_sound: new PosterSound(),
	fan_sound: new FanSound()
};

setup();
stop();

function setup() {
	positionObjects();
	registerMouseListeners();
	registerSoundTriggers();
}

function positionObjects() {
	_scroll_box.x = (SCROLLER_UPPER_LIMIT + SCROLLER_LOWER_LIMIT) / 2;
	moveRoom(MouseEvent.MOUSE_DOWN);
}

function registerMouseListeners() {
	_scroll_box.addEventListener(MouseEvent.MOUSE_DOWN, startRoomMove);
	stage.addEventListener(MouseEvent.MOUSE_UP, stopRoomMove);
}

function registerSoundTriggers() {
	_room._poster.addEventListener(MouseEvent.CLICK, function(e) { triggerSound("poster_sound"); });
	_room._fan.addEventListener(MouseEvent.CLICK, function(e) { triggerSound("fan_sound"); });
}

function triggerSound(sound_label:String) {
	_sound_player.play_sound(sound_label);
}

function startRoomMove(e) {
	_scroll_box.startDrag(false, SCROLLER_FENCE);
	stage.addEventListener(MouseEvent.MOUSE_MOVE, moveRoom);
}

function stopRoomMove(e) {
	_scroll_box.stopDrag();
	stage.removeEventListener(MouseEvent.MOUSE_MOVE, moveRoom);
}

function moveRoom(e) {
	var scrollerRelative:Number = _scroll_box.x - SCROLLER_LOWER_LIMIT;
	var scroller_percent:Number = scrollerRelative / SCROLLER_RANGE;
	var roomRelative = (1.0 - scroller_percent) * ROOM_RANGE;
	_room.x = roomRelative + ROOM_LOWER_LIMIT;
}