Reworked Trigger System

src/com/dre/dungeonsxl/DPlayer.java

@@ -24,7 +24,7 @@ import org.getspout.spoutapi.Spout;
 import org.getspout.spoutapi.player.SpoutPlayer;
 
 import com.dre.dungeonsxl.game.GameWorld;
-import com.dre.dungeonsxl.signs.DSign;
+import com.dre.dungeonsxl.trigger.DistanceTrigger;
 
 public class DPlayer {
 	public static P p = P.p;
@@ -489,17 +489,7 @@ public class DPlayer {
 					}
 
 					// Check Distance Trigger Signs
-					for (DSign sign : gworld.dSigns) {
+					DistanceTrigger.triggerAllInDistance(dplayer.player, gworld);
-						if (sign != null) {
-							if (sign.isDistanceTrigger()) {
-								if ((sign.isRedstoneTrigger() == false && sign.isSignTrigger() == false) || sign.isPowered()) {
-									if (dplayer.player.getLocation().distance(sign.getSign().getLocation()) < sign.getDtDistance()) {
-										sign.onTrigger();
-									}
-								}
-							}
-						}
-					}
 				}
 			}
 		}

src/com/dre/dungeonsxl/game/GameWorld.java

@@ -27,6 +27,7 @@ import com.dre.dungeonsxl.DPlayer;
 import com.dre.dungeonsxl.P;
 import com.dre.dungeonsxl.signs.DSign;
 import com.dre.dungeonsxl.EditWorld;
+import com.dre.dungeonsxl.trigger.RedstoneTrigger;
 
 public class GameWorld {
 	private static P p = P.p;
@@ -52,7 +53,6 @@ public class GameWorld {
 	public CopyOnWriteArrayList<DMob> dmobs = new CopyOnWriteArrayList<DMob>();
 	public CopyOnWriteArrayList<GameChest> gchests = new CopyOnWriteArrayList<GameChest>();
 	public CopyOnWriteArrayList<DSign> dSigns = new CopyOnWriteArrayList<DSign>();
-	public CopyOnWriteArrayList<Block> untouchable = new CopyOnWriteArrayList<Block>();
 	public DConfig config;
 
 	public GameWorld() {
@@ -92,16 +92,14 @@ public class GameWorld {
 				}
 			}
 		}
+		if (RedstoneTrigger.hasTriggers(this)) {
+			for (RedstoneTrigger trigger : RedstoneTrigger.getTriggersArray(this)) {
+				trigger.onTrigger();
+			}
+		}
 		for (DSign dSign : this.dSigns) {
 			if (dSign != null) {
-				if (dSign.isRedstoneTrigger()) {
+				if (!dSign.hasTriggers()) {
-					if (dSign.getRtBlock().isBlockPowered()) {
-						dSign.onUpdate(0, true);
-					} else {
-						dSign.onUpdate(0, false);
-					}
-				}
-				if (!dSign.isRedstoneTrigger() && !dSign.isDistanceTrigger() && !dSign.isSignTrigger()) {
 					dSign.onTrigger();
 				}
 			}

src/com/dre/dungeonsxl/listener/BlockListener.java

@@ -23,6 +23,7 @@ import com.dre.dungeonsxl.LeaveSign;
 import com.dre.dungeonsxl.game.GamePlaceableBlock;
 import com.dre.dungeonsxl.game.GameWorld;
 import com.dre.dungeonsxl.signs.DSign;
+import com.dre.dungeonsxl.trigger.RedstoneTrigger;
 
 public class BlockListener implements Listener {
 
@@ -189,30 +190,20 @@ public class BlockListener implements Listener {
 
 	@EventHandler(priority = EventPriority.NORMAL)
 	public void onBlockRedstoneEvent(BlockRedstoneEvent event) {
-		new RedstoneEventTask(event).runTaskLater(P.p, 1);
+		new RedstoneEventTask(event.getBlock()).runTaskLater(P.p, 1);
 	}
 
 	public class RedstoneEventTask extends BukkitRunnable {
-		private final BlockRedstoneEvent event;
+		private final Block block;
 
-		public RedstoneEventTask(BlockRedstoneEvent event) {
+		public RedstoneEventTask(final Block block) {
-			this.event = event;
+			this.block = block;
 		}
 
 		public void run() {
 			for (GameWorld gworld : GameWorld.gworlds) {
-				if (event.getBlock().getWorld() == gworld.world) {
+				if (block.getWorld() == gworld.world) {
-					for (DSign sign : gworld.dSigns) {
+					RedstoneTrigger.updateAll(gworld);
-						if (sign != null) {
-							if (sign.isRedstoneTrigger()) {
-								if (sign.getRtBlock().isBlockPowered()) {
-									sign.onUpdate(0, true);
-								} else {
-									sign.onUpdate(0, false);
-								}
-							}
-						}
-					}
 				}
 			}
 		}

src/com/dre/dungeonsxl/signs/DSign.java

@@ -1,12 +1,14 @@
 package com.dre.dungeonsxl.signs;
 
-import org.bukkit.Material;
+import java.util.HashSet;
-import org.bukkit.block.Block;
+import java.util.Set;
-import org.bukkit.block.BlockFace;
+
 import org.bukkit.block.Sign;
+import org.bukkit.entity.Player;
 
 import com.dre.dungeonsxl.P;
 import com.dre.dungeonsxl.game.GameWorld;
+import com.dre.dungeonsxl.trigger.Trigger;
 
 public abstract class DSign {
 	protected static P p = P.p;
@@ -14,19 +16,8 @@ public abstract class DSign {
 	protected Sign sign;
 	protected GameWorld gworld;
 
-	// Distance Trigger
+	// List of Triggers
-	private boolean isDistanceTrigger = false;
+	private Set<Trigger> triggers = new HashSet<Trigger>();
-	private int dtDistance = 5;
-
-	// Redstone Trigger
-	private boolean isRedstoneTrigger = false;
-	private Block rtBlock;
-
-	// Sign Trigger
-	private boolean isSignTrigger = false;
-	private int stId;
-
-	private boolean[] isPowered = new boolean[2];
 
 	public abstract boolean check();
 
@@ -42,43 +33,10 @@ public abstract class DSign {
 		String[] typeSplit = sign.getLine(3).split(",");
 		for (String typeSplitPart : typeSplit) {
 			String[] splitted = typeSplitPart.split(" ");
-			if (splitted.length > 0) {
+			Trigger trigger = Trigger.getOrCreate(splitted, this);
-				if (splitted[0].equalsIgnoreCase("R")) {
+			if (trigger != null) {
-					if (sign.getBlock().getType() == Material.WALL_SIGN) {
+				trigger.addListener(this);
-						switch (sign.getData().getData()) {
+				this.triggers.add(trigger);
-						case 5:
-							rtBlock = sign.getBlock().getRelative(BlockFace.WEST);
-							break;
-						case 4:
-							rtBlock = sign.getBlock().getRelative(BlockFace.EAST);
-							break;
-						case 3:
-							rtBlock = sign.getBlock().getRelative(BlockFace.NORTH);
-							break;
-						case 2:
-							rtBlock = sign.getBlock().getRelative(BlockFace.SOUTH);
-							break;
-						}
-					} else {
-						rtBlock = sign.getBlock().getRelative(BlockFace.DOWN);
-					}
-
-					if (rtBlock != null) {
-						this.isRedstoneTrigger = true;
-					}
-				} else if (splitted[0].equalsIgnoreCase("D")) {
-					this.isDistanceTrigger = true;
-
-					if (splitted.length > 1) {
-						dtDistance = p.parseInt(splitted[1]);
-					}
-				} else if (splitted[0].equalsIgnoreCase("T")) {
-					this.isSignTrigger = true;
-
-					if (splitted.length > 1) {
-						stId = p.parseInt(splitted[1]);
-					}
-				}
 			}
 		}
 	}
@@ -91,20 +49,41 @@ public abstract class DSign {
 
 	}
 
+	public boolean onPlayerTrigger(Player player) {
+		return false;
+	}
+
 	public void onDisable() {
 
 	}
 
-	public void onUpdate(int type, boolean powered) {
+	public void onUpdate() {
-		setPowered(type, powered);
+		for (Trigger trigger : triggers) {
-		if (isPowered()) {
+			if (!trigger.triggered) {
-			if (!isDistanceTrigger) {
+				onDisable();
-				onTrigger();
+				return;
+			}
+			if (triggers.size() == 1) {
+				if (trigger.player != null) {
+					if (onPlayerTrigger(trigger.player)) {
+						return;
+					}
+				}
 			}
-		} else {
-			onDisable();
 		}
 
+		onTrigger();
+	}
+
+	public void remove() {
+		for (Trigger trigger : triggers) {
+			trigger.removeListener(this);
+		}
+		gworld.dSigns.remove(this);
+	}
+
+	public boolean hasTriggers() {
+		return !triggers.isEmpty();
 	}
 
 	public static DSign create(Sign sign, GameWorld gworld) {
@@ -155,40 +134,8 @@ public abstract class DSign {
 	}
 
 	// Getter and Setter
-	public void setPowered(int type, boolean powered) {
+	public GameWorld getGameWorld() {
-		isPowered[type] = powered;
+		return gworld;
-	}
-
-	public boolean isPowered() {// 0=Redstone 1=Sign
-		if ((isPowered[0] || !isRedstoneTrigger()) && (isPowered[1] || !isSignTrigger())) {
-			return true;
-		} else {
-			return false;
-		}
-	}
-
-	public boolean isRedstoneTrigger() {
-		return isRedstoneTrigger;
-	}
-
-	public boolean isDistanceTrigger() {
-		return isDistanceTrigger;
-	}
-
-	public Block getRtBlock() {
-		return rtBlock;
-	}
-
-	public int getDtDistance() {
-		return dtDistance;
-	}
-
-	public boolean isSignTrigger() {
-		return isSignTrigger;
-	}
-
-	public int getStId() {
-		return stId;
 	}
 
 	public Sign getSign() {

src/com/dre/dungeonsxl/signs/SIGNCheckpoint.java

@@ -41,7 +41,7 @@ public class SIGNCheckpoint extends DSign {
 				P.p.msg(dplayer.player, P.p.language.get("Player_CheckpointReached"));
 			}
 
-			this.gworld.dSigns.remove(this);
+			remove();
 		}
 	}
 

src/com/dre/dungeonsxl/signs/SIGNMob.java

@@ -140,7 +140,7 @@ public class SIGNMob extends DSign {
 							amount--;
 						} else {
 							killTask();
-							sign.gworld.dSigns.remove(sign);
+							sign.remove();
 						}
 					}
 

src/com/dre/dungeonsxl/signs/SIGNMsg.java

@@ -45,21 +45,27 @@ public class SIGNMsg extends DSign {
 		initialized = true;
 	}
 
+	@Override
+	public boolean onPlayerTrigger(Player player) {
+		if (initialized) {
+			if (!done.contains(player)) {
+				p.msg(player, msg);
+				done.add(player);
+			}
+			if (done.size() >= gworld.world.getPlayers().size()) {
+				remove();
+			}
+		}
+		return true;
+	}
+
 	@Override
 	public void onTrigger() {
 		if (initialized) {
 			for (Player player : gworld.world.getPlayers()) {
-				if (!done.contains(player)) {
+				p.msg(player, msg);
-					if (!isDistanceTrigger() || player.getLocation().distance(sign.getLocation()) < getDtDistance()) {
-						p.msg(player, msg);
-						done.add(player);
-					}
-				}
-			}
-
-			if (done.size() >= gworld.world.getPlayers().size()) {
-				this.gworld.dSigns.remove(this);
 			}
+			remove();
 		}
 	}
 

src/com/dre/dungeonsxl/signs/SIGNSoundMsg.java

@@ -55,22 +55,36 @@ public class SIGNSoundMsg extends DSign {
 		if (initialized) {
 			if (P.p.isSpoutEnabled) {
 				for (Player player : gworld.world.getPlayers()) {
-					if (!done.contains(player)) {
+					SpoutPlayer sPlayer = Spout.getServer().getPlayer(player.getName());
-						if (!isDistanceTrigger() || player.getLocation().distance(sign.getLocation()) < getDtDistance()) {
+					if (sPlayer.isSpoutCraftEnabled()) {
-							done.add(player);
+						SpoutManager.getSoundManager().playCustomMusic(P.p, sPlayer, this.msg, false, this.sign.getLocation());
-							SpoutPlayer sPlayer = Spout.getServer().getPlayer(player.getName());
-							if (sPlayer.isSpoutCraftEnabled()) {
-								SpoutManager.getSoundManager().playCustomMusic(P.p, sPlayer, this.msg, false, this.sign.getLocation());
-							}
-						}
 					}
 				}
 			}
+			remove();
+		}
+	}
+
+	@Override
+	public boolean onPlayerTrigger(Player player) {
+		if (initialized) {
+			if (P.p.isSpoutEnabled) {
+				if (!done.contains(player)) {
+					done.add(player);
+					SpoutPlayer sPlayer = Spout.getServer().getPlayer(player.getName());
+					if (sPlayer.isSpoutCraftEnabled()) {
+						SpoutManager.getSoundManager().playCustomMusic(P.p, sPlayer, this.msg, false, this.sign.getLocation());
+					}
+				}
+			} else {
+				remove();
+			}
 
 			if (done.size() >= gworld.world.getPlayers().size()) {
-				this.gworld.dSigns.remove(this);
+				remove();
 			}
 		}
+		return true;
 	}
 
 	@Override

src/com/dre/dungeonsxl/signs/SIGNTrigger.java

@@ -8,12 +8,12 @@ import org.bukkit.block.Block;
 
 import com.dre.dungeonsxl.game.GameWorld;
 import com.dre.dungeonsxl.EditWorld;
+import com.dre.dungeonsxl.trigger.SignTrigger;
 
 public class SIGNTrigger extends DSign {
 	public static String name = "Trigger";
 	public String buildPermissions = "dxl.sign.trigger";
 	public boolean onDungeonInit = false;
-	public static Set<Integer> used = new HashSet<Integer>();
 
 	// Variables
 	private int triggerId;
@@ -25,11 +25,14 @@ public class SIGNTrigger extends DSign {
 
 	@Override
 	public boolean check() {
-		used.clear();
+		Set<Integer> used = new HashSet<Integer>();
 		for (Block block : EditWorld.get(sign.getLocation().getWorld()).sign) {
-			if (block.getState() instanceof Sign) {
+			if (block != null) {
-				Sign rsign = (Sign) block.getState();
+				if (!block.getChunk().isLoaded()) {
-				if (rsign != null) {
+					block.getChunk().load();
+				}
+				if (block.getState() instanceof Sign) {
+					Sign rsign = (Sign) block.getState();
 					if (rsign.getLine(0).equalsIgnoreCase("[" + name + "]")) {
 						used.add(p.parseInt(rsign.getLine(1)));
 					}
@@ -69,14 +72,9 @@ public class SIGNTrigger extends DSign {
 	@Override
 	public void onTrigger() {
 		if (initialized) {
-			for (DSign dsign : this.gworld.dSigns) {
+			SignTrigger trigger = SignTrigger.get(triggerId, gworld);
-				if (dsign != null) {
+			if (trigger != null) {
-					if (dsign.isSignTrigger()) {
+				trigger.onTrigger(true);
-						if (triggerId == dsign.getStId()) {
-							dsign.onUpdate(1, true);
-						}
-					}
-				}
 			}
 		}
 	}
@@ -84,14 +82,9 @@ public class SIGNTrigger extends DSign {
 	@Override
 	public void onDisable() {
 		if (initialized) {
-			for (DSign dsign : this.gworld.dSigns) {
+			SignTrigger trigger = SignTrigger.get(triggerId, gworld);
-				if (dsign != null) {
+			if (trigger != null) {
-					if (dsign.isSignTrigger()) {
+				trigger.onTrigger(false);
-						if (triggerId == dsign.getStId()) {
-							dsign.onUpdate(1, false);
-						}
-					}
-				}
 			}
 		}
 	}

src/com/dre/dungeonsxl/trigger/DistanceTrigger.java

@@ -0,0 +1,75 @@
+package com.dre.dungeonsxl.trigger;
+
+import java.util.Map;
+import java.util.HashMap;
+import java.util.ArrayList;
+
+import org.bukkit.Location;
+import org.bukkit.entity.Player;
+import com.dre.dungeonsxl.game.GameWorld;
+
+public class DistanceTrigger extends Trigger {
+
+	private static Map<GameWorld, ArrayList<DistanceTrigger>> triggers = new HashMap<GameWorld, ArrayList<DistanceTrigger>>();
+
+	private int distance = 5;
+	private Location loc;
+
+
+	public DistanceTrigger(int distance, Location loc) {
+		if (distance >= 0) {
+			this.distance = distance;
+		}
+		this.loc = loc;
+	}
+
+	public DistanceTrigger(Location loc) {
+		this.loc = loc;
+	}
+
+	public void onTrigger(Player player) {
+		triggered = true;
+		this.player = player;
+		updateDSigns();
+
+	}
+
+	public void register(GameWorld gworld) {
+		if (!hasTriggers(gworld)) {
+			ArrayList<DistanceTrigger> list = new ArrayList<DistanceTrigger>();
+			list.add(this);
+			triggers.put(gworld, list);
+		} else {
+			triggers.get(gworld).add(this);
+		}
+	}
+
+	public void unregister(GameWorld gworld) {
+		if (hasTriggers(gworld)) {
+			triggers.get(gworld).remove(this);
+		}
+	}
+
+	public static void triggerAllInDistance(Player player, GameWorld gworld) {
+		if (hasTriggers(gworld)) {
+			for (DistanceTrigger trigger : getTriggersArray(gworld)) {
+				if (player.getLocation().distance(trigger.loc) < trigger.distance) {
+					trigger.onTrigger(player);
+				}
+			}
+		}
+	}
+
+	public static boolean hasTriggers(GameWorld gworld) {
+		return !triggers.isEmpty() && triggers.containsKey(gworld);
+	}
+
+	public static ArrayList<DistanceTrigger> getTriggers(GameWorld gworld) {
+		return triggers.get(gworld);
+	}
+
+	public static DistanceTrigger[] getTriggersArray(GameWorld gworld) {
+		return getTriggers(gworld).toArray(new DistanceTrigger[getTriggers(gworld).size()]);
+	}
+
+}

src/com/dre/dungeonsxl/trigger/RedstoneTrigger.java

@@ -0,0 +1,109 @@
+package com.dre.dungeonsxl.trigger;
+
+import java.util.Map;
+import java.util.HashMap;
+import java.util.ArrayList;
+
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
+import org.bukkit.Material;
+import org.bukkit.block.Sign;
+
+import com.dre.dungeonsxl.game.GameWorld;
+
+
+public class RedstoneTrigger extends Trigger {
+
+	private static Map<GameWorld, ArrayList<RedstoneTrigger>> triggers = new HashMap<GameWorld, ArrayList<RedstoneTrigger>>();
+
+	private Block rtBlock;
+
+	public RedstoneTrigger(Block block) {
+		this.rtBlock = block;
+	}
+
+	public void onTrigger() {
+		if (rtBlock.isBlockPowered()) {
+			if (!triggered) {
+				triggered = true;
+				updateDSigns();
+			}
+		} else {
+			if (triggered) {
+				triggered = false;
+				updateDSigns();
+			}
+		}
+	}
+
+	public void register(GameWorld gworld) {
+		if (!hasTriggers(gworld)) {
+			ArrayList<RedstoneTrigger> list = new ArrayList<RedstoneTrigger>();
+			list.add(this);
+			triggers.put(gworld, list);
+		} else {
+			triggers.get(gworld).add(this);
+		}
+	}
+
+	public void unregister(GameWorld gworld) {
+		if (hasTriggers(gworld)) {
+			triggers.get(gworld).remove(this);
+		}
+	}
+
+	public static RedstoneTrigger getOrCreate(Sign sign, GameWorld gworld) {
+		Block rtBlock = null;
+		if (sign.getBlock().getType() == Material.WALL_SIGN) {
+			switch (sign.getData().getData()) {
+			case 5:
+				rtBlock = sign.getBlock().getRelative(BlockFace.WEST);
+				break;
+			case 4:
+				rtBlock = sign.getBlock().getRelative(BlockFace.EAST);
+				break;
+			case 3:
+				rtBlock = sign.getBlock().getRelative(BlockFace.NORTH);
+				break;
+			case 2:
+				rtBlock = sign.getBlock().getRelative(BlockFace.SOUTH);
+				break;
+			}
+		} else {
+			rtBlock = sign.getBlock().getRelative(BlockFace.DOWN);
+		}
+
+		if (rtBlock != null) {
+			if (hasTriggers(gworld)) {
+				for (RedstoneTrigger trigger : getTriggers(gworld)) {
+					if (trigger.rtBlock.equals(rtBlock)) {
+						return trigger;
+					}
+				}
+			}
+			return new RedstoneTrigger(rtBlock);
+		}
+		return null;
+	}
+
+	public static void updateAll(GameWorld gworld) {
+		if (hasTriggers(gworld)) {
+			for (RedstoneTrigger trigger : getTriggersArray(gworld)) {
+				trigger.onTrigger();
+			}
+		}
+	}
+
+	public static boolean hasTriggers(GameWorld gworld) {
+		return !triggers.isEmpty() && triggers.containsKey(gworld);
+	}
+
+	public static ArrayList<RedstoneTrigger> getTriggers(GameWorld gworld) {
+		return triggers.get(gworld);
+	}
+
+	public static RedstoneTrigger[] getTriggersArray(GameWorld gworld) {
+		return getTriggers(gworld).toArray(new RedstoneTrigger[getTriggers(gworld).size()]);
+	}
+
+}

src/com/dre/dungeonsxl/trigger/SignTrigger.java

@@ -0,0 +1,65 @@
+package com.dre.dungeonsxl.trigger;
+
+import java.util.Map;
+import java.util.HashMap;
+import java.util.ArrayList;
+import com.dre.dungeonsxl.game.GameWorld;
+
+
+public class SignTrigger extends Trigger {
+
+	private static Map<GameWorld, ArrayList<SignTrigger>> triggers = new HashMap<GameWorld, ArrayList<SignTrigger>>();
+
+	private int stId;
+
+	public SignTrigger(int stId) {
+		this.stId = stId;
+	}
+
+	public void onTrigger(boolean enable) {
+		if (enable != triggered) {
+			triggered = enable;
+			updateDSigns();
+		}
+	}
+
+	public void register(GameWorld gworld) {
+		if (!hasTriggers(gworld)) {
+			ArrayList<SignTrigger> list = new ArrayList<SignTrigger>();
+			list.add(this);
+			triggers.put(gworld, list);
+		} else {
+			triggers.get(gworld).add(this);
+		}
+	}
+
+	public void unregister(GameWorld gworld) {
+		if (hasTriggers(gworld)) {
+			triggers.get(gworld).remove(this);
+		}
+	}
+
+	public static SignTrigger getOrCreate(int id, GameWorld gworld) {
+		SignTrigger trigger = get(id, gworld);
+		if (trigger != null) {
+			return trigger;
+		}
+		return new SignTrigger(id);
+	}
+
+	public static SignTrigger get(int id, GameWorld gworld) {
+		if (hasTriggers(gworld)) {
+			for (SignTrigger trigger : triggers.get(gworld)) {
+				if (trigger.stId == id) {
+					return trigger;
+				}
+			}
+		}
+		return null;
+	}
+
+	public static boolean hasTriggers(GameWorld gworld) {
+		return !triggers.isEmpty() && triggers.containsKey(gworld);
+	}
+
+}

src/com/dre/dungeonsxl/trigger/Trigger.java

@@ -0,0 +1,73 @@
+package com.dre.dungeonsxl.trigger;
+
+import java.util.Set;
+import java.util.HashSet;
+
+import org.bukkit.entity.Player;
+
+import com.dre.dungeonsxl.P;
+import com.dre.dungeonsxl.signs.DSign;
+import com.dre.dungeonsxl.game.GameWorld;
+
+public abstract class Trigger {
+
+	protected Set<DSign> dsigns = new HashSet<DSign>();
+	public boolean triggered = false;
+	public Player player = null; // Holds Player for Player specific Triggers
+
+	public Trigger() {
+
+	}
+
+	public abstract void register(GameWorld gworld);
+
+	public abstract void unregister(GameWorld gworld);
+
+	public static Trigger getOrCreate(String[] splitted, DSign dsign) {
+		Trigger trigger = null;
+
+		if (splitted.length > 0) {
+			if (splitted[0].equalsIgnoreCase("R")) {
+
+				trigger = RedstoneTrigger.getOrCreate(dsign.getSign(), dsign.getGameWorld());
+
+			} else if (splitted[0].equalsIgnoreCase("D")) {
+
+				if (splitted.length > 1) {
+					trigger = new DistanceTrigger(P.p.parseInt(splitted[1]), dsign.getSign().getLocation());
+				} else {
+					trigger = new DistanceTrigger(dsign.getSign().getLocation());
+				}
+
+			} else if (splitted[0].equalsIgnoreCase("T")) {
+
+				if (splitted.length > 1) {
+					trigger = SignTrigger.getOrCreate(P.p.parseInt(splitted[1]), dsign.getGameWorld());
+				}
+
+			}
+		}
+		return trigger;
+	}
+
+	public void addListener(DSign dsign) {
+		if (dsigns.isEmpty()) {
+			register(dsign.getGameWorld());
+		}
+		dsigns.add(dsign);
+	}
+
+	public void removeListener(DSign dsign) {
+		dsigns.remove(dsign);
+		if (dsigns.isEmpty()) {
+			unregister(dsign.getGameWorld());
+		}
+	}
+
+	public void updateDSigns() {
+		for (DSign dsign : dsigns.toArray(new DSign[dsigns.size()])) {
+			dsign.onUpdate();
+		}
+	}
+
+}