New LivingDestroyBlockEvent for controlling if some entities can destroy blocks (#3628)

src/main/java/net/minecraftforge/event/ForgeEventFactory.java

@@ -78,6 +78,7 @@ import net.minecraftforge.event.entity.EntityMountEvent;
 import net.minecraftforge.event.entity.EntityStruckByLightningEvent;
 import net.minecraftforge.event.entity.PlaySoundAtEntityEvent;
 import net.minecraftforge.event.entity.item.ItemExpireEvent;
+import net.minecraftforge.event.entity.living.LivingDestroyBlockEvent;
 import net.minecraftforge.event.entity.living.LivingEntityUseItemEvent;
 import net.minecraftforge.event.entity.living.LivingExperienceDropEvent;
 import net.minecraftforge.event.entity.living.LivingHealEvent;
@@ -659,4 +660,9 @@ public class ForgeEventFactory
         net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(e);
         return e.getLevel();
     }
+    
+    public static boolean onEntityDestroyBlock(EntityLivingBase entity, BlockPos pos, IBlockState state)
+    {
+        return !MinecraftForge.EVENT_BUS.post(new LivingDestroyBlockEvent(entity, pos, state));
+    }
 }

src/main/java/net/minecraftforge/event/entity/living/LivingDestroyBlockEvent.java

@@ -0,0 +1,63 @@
+/*
+ * Minecraft Forge
+ * Copyright (c) 2016.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation version 2.1
+ * of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+package net.minecraftforge.event.entity.living;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.IBlockAccess;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.fml.common.eventhandler.Cancelable;
+
+/**
+ * Fired when the ender dragon or wither attempts to destroy a block and when ever a zombie attempts to break a door. Basically a event version of {@link Block#canEntityDestroy(IBlockState, IBlockAccess, BlockPos, Entity)}<br>
+ * <br>
+ * This event is {@link Cancelable}.<br>
+ * If this event is canceled, the block will not be destroyed.<br>
+ * <br>
+ * This event does not have a result. {@link HasResult}<br>
+ * <br>
+ * This event is fired on the {@link MinecraftForge#EVENT_BUS}.
+ **/
+@Cancelable
+public class LivingDestroyBlockEvent extends LivingEvent
+{
+    private final BlockPos pos;
+    private final IBlockState state;
+    
+    public LivingDestroyBlockEvent(EntityLivingBase entity, BlockPos pos, IBlockState state)
+    {
+        super(entity);
+        this.pos = pos;
+        this.state = state;
+    }
+
+    public IBlockState getState()
+    {
+        return state;
+    }
+    
+    public BlockPos getPos()
+    {
+        return pos;
+    }
+}