CatServer/patches/net/minecraft/entity/ai/EntityAIEatGrass.java.patch

--- ../src-base/minecraft/net/minecraft/entity/ai/EntityAIEatGrass.java
+++ ../src-work/minecraft/net/minecraft/entity/ai/EntityAIEatGrass.java
@@ -1,5 +1,8 @@
 package net.minecraft.entity.ai;
 
+import org.bukkit.Material;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+
 import com.google.common.base.Predicate;
 import com.google.common.base.Predicates;
 import net.minecraft.block.Block;
@@ -70,7 +73,8 @@
 
             if (IS_TALL_GRASS.apply(this.entityWorld.getBlockState(blockpos)))
             {
-                if (this.entityWorld.getGameRules().getBoolean("mobGriefing"))
+                // CraftBukkit
+                if (!CraftEventFactory.callEntityChangeBlockEvent(this.grassEaterEntity, this.grassEaterEntity.worldObj.getWorld().getBlockAt(blockpos.getX(), blockpos.getY(), blockpos.getZ()), Material.AIR, !this.entityWorld.getGameRules().getBoolean("mobGriefing")).isCancelled())
                 {
                     this.entityWorld.destroyBlock(blockpos, false);
                 }
@@ -83,7 +87,8 @@
 
                 if (this.entityWorld.getBlockState(blockpos1).getBlock() == Blocks.GRASS)
                 {
-                    if (this.entityWorld.getGameRules().getBoolean("mobGriefing"))
+                    // CraftBukkit
+                    if (!CraftEventFactory.callEntityChangeBlockEvent(this.grassEaterEntity, this.grassEaterEntity.worldObj.getWorld().getBlockAt(blockpos1.getX(), blockpos1.getY(), blockpos1.getZ()), Material.AIR, !this.entityWorld.getGameRules().getBoolean("mobGriefing")).isCancelled())
                     {
                         this.entityWorld.playEvent(2001, blockpos1, Block.getIdFromBlock(Blocks.GRASS));
                         this.entityWorld.setBlockState(blockpos1, Blocks.DIRT.getDefaultState(), 2);