Cancel teleport on damage or move

PlotSquared/src/main/java/com/intellectualcrafters/plot/PlotMain.java

@@ -598,9 +598,16 @@ public class PlotMain extends JavaPlugin implements Listener {
             final World world = player.getWorld();
             final int x = loc.getBlockX();
             final int z = loc.getBlockZ();
+            final String name = player.getName();
+            TaskManager.TELEPORT_QUEUE.add(name);
             TaskManager.runTaskLater(new Runnable() {
                 @Override
                 public void run() {
+                    if (!TaskManager.TELEPORT_QUEUE.contains(name)) {
+                        PlayerFunctions.sendMessage(player, C.TELEPORT_FAILED);
+                        return;
+                    }
+                    TaskManager.TELEPORT_QUEUE.remove(name);
                     if (!player.isOnline()) {
                         return;
                     }

PlotSquared/src/main/java/com/intellectualcrafters/plot/config/C.java

@@ -261,7 +261,7 @@ public enum C {
     TELEPORTED_TO_PLOT("&6You have been teleported"),
     TELEPORTED_TO_ROAD("&cYou got teleported to the road"),
     TELEPORT_IN_SECONDS("&6Teleporting in %s seconds. Do not move..."),
-    TELEPORT_FAILED("&cTeleportation cancelled due to movement"),
+    TELEPORT_FAILED("&cTeleportation cancelled due to movement or damage"),
     /*
      * Set Block
      */

PlotSquared/src/main/java/com/intellectualcrafters/plot/listeners/PlayerEvents.java

@@ -99,6 +99,7 @@ import com.intellectualcrafters.plot.object.PlotWorld;
 import com.intellectualcrafters.plot.object.StringWrapper;
 import com.intellectualcrafters.plot.util.PlayerFunctions;
 import com.intellectualcrafters.plot.util.PlotHelper;
+import com.intellectualcrafters.plot.util.TaskManager;
 import com.intellectualcrafters.plot.util.UUIDHandler;
 
 /**
@@ -161,6 +162,12 @@ public class PlayerEvents extends com.intellectualcrafters.plot.listeners.PlotLi
             final Location q = new Location(t.getWorld(), t.getBlockX(), 0, t.getZ());
 
             if ((f.getBlockX() != q.getBlockX()) || (f.getBlockZ() != q.getBlockZ())) {
+                if (Settings.TELEPORT_DELAY != 0 && TaskManager.TELEPORT_QUEUE.size() > 0) {
+                    String name = player.getName();
+                    if (TaskManager.TELEPORT_QUEUE.contains(name)) {
+                        TaskManager.TELEPORT_QUEUE.remove(name);
+                    }
+                }
                 if (!isPlotWorld(player.getWorld())) {
                     return;
                 }
@@ -916,6 +923,15 @@ public class PlayerEvents extends com.intellectualcrafters.plot.listeners.PlotLi
         final Location l = e.getEntity().getLocation();
         final Entity d = e.getDamager();
         final Entity a = e.getEntity();
+        
+        if (Settings.TELEPORT_DELAY != 0 && TaskManager.TELEPORT_QUEUE.size() > 0 && a instanceof Player) {
+            Player player = (Player) a;
+            String name = player.getName();
+            if (TaskManager.TELEPORT_QUEUE.contains(name)) {
+                TaskManager.TELEPORT_QUEUE.remove(name);
+            }
+        }
+        
         if (isPlotWorld(l)) {
             if (d instanceof Player) {
                 final Player p = (Player) d;

PlotSquared/src/main/java/com/intellectualcrafters/plot/util/TaskManager.java

@@ -1,8 +1,13 @@
 package com.intellectualcrafters.plot.util;
 
+import java.util.HashSet;
+
 import com.intellectualcrafters.plot.PlotMain;
 
 public class TaskManager {
+    
+    public static HashSet<String> TELEPORT_QUEUE = new HashSet<>();
+    
     public static void runTask(final Runnable r) {
         PlotMain.getMain().getServer().getScheduler().runTaskAsynchronously(PlotMain.getMain(), r);
     }