Fix end crystal spawn cap

Bukkit/build.gradle

@@ -1,6 +1,6 @@
 dependencies {
     compile project(':Core')
-    compile 'org.bukkit:bukkit:1.10-R0.1-SNAPSHOT'
+    compile 'org.spigotmc:spigot-api:1.10.2-R0.1-SNAPSHOT'
     compile 'org.mcstats.bukkit:metrics:R7'
     compile 'net.milkbowl.vault:VaultAPI:1.6'
 }

Bukkit/src/main/java/com/plotsquared/bukkit/BukkitMain.java

@@ -38,6 +38,7 @@ import com.plotsquared.bukkit.database.plotme.LikePlotMeConverter;
 import com.plotsquared.bukkit.database.plotme.PlotMeConnector_017;
 import com.plotsquared.bukkit.generator.BukkitPlotGenerator;
 import com.plotsquared.bukkit.listeners.ChunkListener;
+import com.plotsquared.bukkit.listeners.EntitySpawnListener;
 import com.plotsquared.bukkit.listeners.ForceFieldListener;
 import com.plotsquared.bukkit.listeners.PlayerEvents;
 import com.plotsquared.bukkit.listeners.PlayerEvents183;
@@ -361,6 +362,9 @@ public final class BukkitMain extends JavaPlugin implements Listener, IPlotMain
     public void registerPlayerEvents() {
         PlayerEvents main = new PlayerEvents();
         getServer().getPluginManager().registerEvents(main, this);
+        try {
+            getServer().getPluginManager().registerEvents(new EntitySpawnListener(), this);
+        } catch (Throwable ignore) {}
         if (PS.get().checkVersion(getServerVersion(), 1, 8, 0)) {
             try {
                 getServer().getPluginManager().registerEvents(new PlayerEvents_1_8(), this);

Bukkit/src/main/java/com/plotsquared/bukkit/listeners/EntitySpawnListener.java

@@ -0,0 +1,36 @@
+package com.plotsquared.bukkit.listeners;
+
+import com.intellectualcrafters.plot.object.Location;
+import com.intellectualcrafters.plot.object.Plot;
+import com.intellectualcrafters.plot.object.PlotArea;
+import com.plotsquared.bukkit.util.BukkitUtil;
+import org.bukkit.entity.Entity;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.entity.EntitySpawnEvent;
+
+public class EntitySpawnListener implements Listener {
+    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
+    public void creatureSpawnEvent(EntitySpawnEvent event) {
+        Entity entity = event.getEntity();
+        switch (entity.getType()) {
+            case ENDER_CRYSTAL:
+                Location location = BukkitUtil.getLocation(entity.getLocation());
+                PlotArea area = location.getPlotArea();
+                if (area == null) {
+                    return;
+                }
+                Plot plot = area.getOwnedPlotAbs(location);
+                if (plot == null) {
+                    if (!area.MOB_SPAWNING) {
+                        event.setCancelled(true);
+                    }
+                    return;
+                }
+                if (PlayerEvents.checkEntity(entity, plot)) {
+                    event.setCancelled(true);
+                }
+        }
+    }
+}

Bukkit/src/main/java/com/plotsquared/bukkit/listeners/PlayerEvents.java

@@ -28,6 +28,16 @@ import com.plotsquared.bukkit.object.BukkitPlayer;
 import com.plotsquared.bukkit.util.BukkitUtil;
 import com.plotsquared.listener.PlayerBlockEventType;
 import com.plotsquared.listener.PlotListener;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map.Entry;
+import java.util.Objects;
+import java.util.Set;
+import java.util.UUID;
+import java.util.regex.Pattern;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
@@ -111,17 +121,6 @@ import org.bukkit.projectiles.BlockProjectileSource;
 import org.bukkit.projectiles.ProjectileSource;
 import org.bukkit.util.Vector;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map.Entry;
-import java.util.Objects;
-import java.util.Set;
-import java.util.UUID;
-import java.util.regex.Pattern;
-
 /**
  * Player Events involving plots.
  *
@@ -1415,7 +1414,7 @@ public class PlayerEvents extends PlotListener implements Listener {
         return false;
     }
 
-    public boolean checkEntity(Entity entity, Plot plot) {
+    public static boolean checkEntity(Entity entity, Plot plot) {
         if (plot == null || !plot.hasOwner() || plot.getFlags().isEmpty() && plot.getArea().DEFAULT_FLAGS.isEmpty()) {
             return false;
         }