Paper/nms-patches/BehaviorFarm.patch

--- a/net/minecraft/server/BehaviorFarm.java
+++ b/net/minecraft/server/BehaviorFarm.java
@@ -79,8 +79,8 @@
 
     protected void a(WorldServer worldserver, EntityVillager entityvillager, long i) {
         if (i > this.d && this.a != null) {
-            entityvillager.getBehaviorController().setMemory(MemoryModuleType.LOOK_TARGET, (Object) (new BehaviorTarget(this.a)));
-            entityvillager.getBehaviorController().setMemory(MemoryModuleType.WALK_TARGET, (Object) (new MemoryTarget(new BehaviorTarget(this.a), 0.5F, 1)));
+            entityvillager.getBehaviorController().setMemory(MemoryModuleType.LOOK_TARGET, (new BehaviorTarget(this.a))); // CraftBukkit - decompile error
+            entityvillager.getBehaviorController().setMemory(MemoryModuleType.WALK_TARGET, (new MemoryTarget(new BehaviorTarget(this.a), 0.5F, 1))); // CraftBukkit - decompile error
         }
 
     }
@@ -99,7 +99,11 @@
             Block block1 = worldserver.getType(this.a.down()).getBlock();
 
             if (block instanceof BlockCrops && ((BlockCrops) block).isRipe(iblockdata) && this.c) {
-                worldserver.a(this.a, true, entityvillager);
+                // CraftBukkit start
+                if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(entityvillager, this.a, Blocks.AIR.getBlockData()).isCancelled()) {
+                    worldserver.a(this.a, true, entityvillager);
+                }
+                // CraftBukkit end
             }
 
             if (iblockdata.isAir() && block1 instanceof BlockSoil && this.b) {
@@ -110,19 +114,28 @@
                     boolean flag = false;
 
                     if (!itemstack.isEmpty()) {
+                        // CraftBukkit start
+                        Block planted = null;
                         if (itemstack.getItem() == Items.WHEAT_SEEDS) {
-                            worldserver.setTypeAndData(this.a, Blocks.WHEAT.getBlockData(), 3);
+                            planted = Blocks.WHEAT;
                             flag = true;
                         } else if (itemstack.getItem() == Items.POTATO) {
-                            worldserver.setTypeAndData(this.a, Blocks.POTATOES.getBlockData(), 3);
+                            planted = Blocks.POTATOES;
                             flag = true;
                         } else if (itemstack.getItem() == Items.CARROT) {
-                            worldserver.setTypeAndData(this.a, Blocks.CARROTS.getBlockData(), 3);
+                            planted = Blocks.CARROTS;
                             flag = true;
                         } else if (itemstack.getItem() == Items.BEETROOT_SEEDS) {
-                            worldserver.setTypeAndData(this.a, Blocks.BEETROOTS.getBlockData(), 3);
+                            planted = Blocks.BEETROOTS;
                             flag = true;
                         }
+
+                        if (planted != null && !org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(entityvillager, this.a, planted.getBlockData()).isCancelled()) {
+                            worldserver.setTypeAndData(this.a, planted.getBlockData(), 3);
+                        } else {
+                            flag = false;
+                        }
+                        // CraftBukkit end
                     }
 
                     if (flag) {
@@ -141,8 +154,8 @@
                 this.a = this.a(worldserver);
                 if (this.a != null) {
                     this.d = i + 20L;
-                    entityvillager.getBehaviorController().setMemory(MemoryModuleType.WALK_TARGET, (Object) (new MemoryTarget(new BehaviorTarget(this.a), 0.5F, 1)));
-                    entityvillager.getBehaviorController().setMemory(MemoryModuleType.LOOK_TARGET, (Object) (new BehaviorTarget(this.a)));
+                    entityvillager.getBehaviorController().setMemory(MemoryModuleType.WALK_TARGET, (new MemoryTarget(new BehaviorTarget(this.a), 0.5F, 1))); // CraftBukkit - decompile error
+                    entityvillager.getBehaviorController().setMemory(MemoryModuleType.LOOK_TARGET, (new BehaviorTarget(this.a))); // CraftBukkit - decompile error
                 }
             }
         }