ActionScript 3 Example 8 MapGroup Version 1

MapGroup.as

package
{
	/**
	 * ...
	 * @author Dan Cox
	 */
	
	import org.flixel.*;
	import org.flixel.system.FlxTile;
	
	public class MapGroup extends FlxGroup
	{
		private var previousPlace:FlxPoint;
		private var village:AreaGroup;
		private var house1:AreaGroup;
		
		public function MapGroup()
		{
			village = new AreaGroup(Assets.villageTxt, Assets.villagePng, 12);
			village.swapFunction = swapHouse;
			
			var npc:NPCSprite = new NPCSprite(48, 320, Assets.NPCPng);
			npc.addSpeech("Hi, player! I'm a NPC.");
			village.characters.add(npc);
			
			add(village);
			
			house1 = new AreaGroup(Assets.house1Txt, Assets.houseTilesPng, 10);
			house1.swapFunction = swapMap;
			
			previousPlace = new FlxPoint();
			
		}
		
		override public function update():void
		{
			super.update();
			
			FlxG.collide(Registry.player, this);
		}
		
		private function swapHouse(tile:FlxTile, player:PlayerSprite):void
		{
			previousPlace.x = Registry.player.x;
			previousPlace.y = Registry.player.y;
			
			Registry.player.x = house1.doorPoint.x;
			Registry.player.y = house1.doorPoint.y;
			
			remove(village);
			add(house1);
		}
		
		private function swapMap(tile:FlxTile, player:PlayerSprite):void
		{
			Registry.player.x = previousPlace.x;
			Registry.player.y = previousPlace.y;
			
			remove(house1);
			add(village);
		}
	}

}