craftbukkit/nms-patches/net/minecraft/world/entity/animal/EntityTurtle.patch

--- a/net/minecraft/world/entity/animal/EntityTurtle.java
+++ b/net/minecraft/world/entity/animal/EntityTurtle.java
@@ -311,7 +311,9 @@
     protected void ageBoundaryReached() {
         super.ageBoundaryReached();
         if (!this.isBaby() && this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBLOOT)) {
+            this.forceDrops = true; // CraftBukkit
             this.spawnAtLocation(Items.SCUTE, 1);
+            this.forceDrops = false; // CraftBukkit
         }
 
     }
@@ -338,7 +340,9 @@
 
     @Override
     public void thunderHit(WorldServer worldserver, EntityLightning entitylightning) {
+        org.bukkit.craftbukkit.event.CraftEventFactory.entityDamage = entitylightning; // CraftBukkit
         this.hurt(DamageSource.LIGHTNING_BOLT, Float.MAX_VALUE);
+        org.bukkit.craftbukkit.event.CraftEventFactory.entityDamage = null; // CraftBukkit
     }
 
     private static class e extends ControllerMove {
@@ -484,8 +488,12 @@
                 } else if (this.turtle.layEggCounter > this.adjustedTickDelay(200)) {
                     World world = this.turtle.level;
 
+                    // CraftBukkit start
+                    if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(this.turtle, this.blockPos.above(), (IBlockData) Blocks.TURTLE_EGG.defaultBlockState().setValue(BlockTurtleEgg.EGGS, this.turtle.random.nextInt(4) + 1)).isCancelled()) {
                     world.playSound((EntityHuman) null, blockposition, SoundEffects.TURTLE_LAY_EGG, SoundCategory.BLOCKS, 0.3F, 0.9F + world.random.nextFloat() * 0.2F);
                     world.setBlock(this.blockPos.above(), (IBlockData) Blocks.TURTLE_EGG.defaultBlockState().setValue(BlockTurtleEgg.EGGS, this.turtle.random.nextInt(4) + 1), 3);
+                    }
+                    // CraftBukkit end
                     this.turtle.setHasEgg(false);
                     this.turtle.setLayingEgg(false);
                     this.turtle.setInLoveTime(600);