craftbukkit/nms-patches/net/minecraft/world/entity/ai/goal/PathfinderGoalEatTile.patch

--- a/net/minecraft/world/entity/ai/goal/PathfinderGoalEatTile.java
+++ b/net/minecraft/world/entity/ai/goal/PathfinderGoalEatTile.java
@@ -11,6 +11,10 @@
 import net.minecraft.world.level.block.state.IBlockData;
 import net.minecraft.world.level.block.state.predicate.BlockStatePredicate;
 
+// CraftBukkit start
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+// CraftBukkit end
+
 public class PathfinderGoalEatTile extends PathfinderGoal {
 
     private static final int EAT_ANIMATION_TICKS = 40;
@@ -64,7 +68,7 @@
             BlockPosition blockposition = this.mob.blockPosition();
 
             if (PathfinderGoalEatTile.IS_TALL_GRASS.test(this.level.getBlockState(blockposition))) {
-                if (getServerLevel(this.level).getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING)) {
+                if (CraftEventFactory.callEntityChangeBlockEvent(this.mob, blockposition, Blocks.AIR.defaultBlockState(), !getServerLevel(this.level).getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING))) { // CraftBukkit
                     this.level.destroyBlock(blockposition, false);
                 }
 
@@ -73,7 +77,7 @@
                 BlockPosition blockposition1 = blockposition.below();
 
                 if (this.level.getBlockState(blockposition1).is(Blocks.GRASS_BLOCK)) {
-                    if (getServerLevel(this.level).getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING)) {
+                    if (CraftEventFactory.callEntityChangeBlockEvent(this.mob, blockposition1, Blocks.AIR.defaultBlockState(), !getServerLevel(this.level).getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING))) { // CraftBukkit
                         this.level.levelEvent(2001, blockposition1, Block.getId(Blocks.GRASS_BLOCK.defaultBlockState()));
                         this.level.setBlock(blockposition1, Blocks.DIRT.defaultBlockState(), 2);
                     }