Created EntityCreatePortal event to handle events like enderdragon cr…

…eating portals.

Created EntityCreatePortal event to handle events like enderdragon
creating portals.

src/main/java/net/aufdemrand/denizen/Denizen.java

@@ -597,6 +597,7 @@ public void onEnable() {
             ScriptEvent.registerScriptEvent(new CreeperPoweredScriptEvent());
             ScriptEvent.registerScriptEvent(new EntityBreaksHangingScriptEvent());
             ScriptEvent.registerScriptEvent(new EntityChangesBlockScriptEvent());
+            ScriptEvent.registerScriptEvent(new EntityCreatePortalScriptEvent());
             ScriptEvent.registerScriptEvent(new EntityCombustsScriptEvent());
             ScriptEvent.registerScriptEvent(new EntityDamagedScriptEvent());
             ScriptEvent.registerScriptEvent(new EntityDeathScriptEvent());

src/main/java/net/aufdemrand/denizen/events/entity/EntityCreatePortalScriptEvent.java

@@ -0,0 +1,119 @@
+package net.aufdemrand.denizen.events.entity;
+
+import net.aufdemrand.denizen.BukkitScriptEntryData;
+import net.aufdemrand.denizen.events.BukkitScriptEvent;
+import net.aufdemrand.denizen.objects.dEntity;
+import net.aufdemrand.denizen.utilities.DenizenAPI;
+import net.aufdemrand.denizencore.objects.Element;
+import net.aufdemrand.denizencore.objects.dList;
+import net.aufdemrand.denizencore.objects.dObject;
+import net.aufdemrand.denizencore.scripts.ScriptEntryData;
+import net.aufdemrand.denizencore.scripts.containers.ScriptContainer;
+import net.aufdemrand.denizencore.utilities.CoreUtilities;
+
+import org.bukkit.Bukkit;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.entity.EntityCreatePortalEvent;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+
+public class EntityCreatePortalScriptEvent extends BukkitScriptEvent implements Listener {
+
+    // <--[event]
+    // @Events
+    // entity creates portal (in <notable cuboid>)
+    // <entity> creates portal (in <notable cuboid>)
+    //
+    // @Cancellable true
+    //
+    // @Triggers when an entity creates a portal.
+    //
+    // @Context
+    // <context.entity> returns the dEntity that changed the block.
+    // <context.entity_type> returns the type of entity that created the portal.
+    // <context.portal_type> returns the type of portal: CUSTOM, ENDER, NETHER.
+    //
+    // -->
+
+    public EntityCreatePortalScriptEvent() {
+        instance = this;
+    }
+    public static EntityCreatePortalScriptEvent instance;
+    public dEntity entity;
+    public Element entity_type;
+    public Element portal_type;
+    public EntityCreatePortalEvent event;
+
+    @Override
+    public boolean couldMatch(ScriptContainer scriptContainer, String s) {
+        String lower = CoreUtilities.toLowerCase(s);
+        String entOne = CoreUtilities.getXthArg(0, lower);
+        List<String> types = Arrays.asList("entity", "player", "npc");
+        return lower.contains("creates portal")
+                && (types.contains(entOne) || dEntity.matches(entOne));
+    }
+
+    @Override
+    public boolean matches(ScriptContainer scriptContainer, String s) {
+        String lower = CoreUtilities.toLowerCase(s);
+        String entName = CoreUtilities.getXthArg(0, lower);
+        if (!entity.matchesEntity(entName)){
+            return false;
+        }
+
+        if (!runInCheck(scriptContainer, s, lower, entity.getLocation())) {
+            return false;
+        }
+
+        return true;
+    }
+
+    @Override
+    public String getName() {
+        return "EntityCreatesPortal";
+    }
+
+    @Override
+    public void init() {
+        Bukkit.getServer().getPluginManager().registerEvents(this, DenizenAPI.getCurrentInstance());
+    }
+
+    @Override
+    public void destroy() {
+        EntityCreatePortalEvent.getHandlerList().unregister(this);
+    }
+
+    @Override
+    public boolean applyDetermination(ScriptContainer container, String determination) {
+        return super.applyDetermination(container, determination);
+    }
+
+    @Override
+    public ScriptEntryData getScriptEntryData() {
+        return new BukkitScriptEntryData(entity.isPlayer() ? dEntity.getPlayerFrom(event.getEntity()): null,
+                entity.isCitizensNPC() ? dEntity.getNPCFrom(event.getEntity()): null);
+    }
+
+    @Override
+    public HashMap<String, dObject> getContext() {
+        HashMap<String, dObject> context = super.getContext();
+        context.put("entity", entity);
+        context.put("entity_type", entity_type);
+        context.put("portal_type", portal_type);
+        return context;
+    }
+
+    @EventHandler
+    public void onEntityCreatesPortal(EntityCreatePortalEvent event) {
+        entity = new dEntity(event.getEntity());
+        entity_type = new Element(event.getEntityType().toString());
+        portal_type = new Element(event.getPortalType().toString());
+        cancelled = event.isCancelled();
+        this.event = event;
+        fire();
+        event.setCancelled(cancelled);
+    }
+}