PaperMC/nms-patches/EntityCreeper.patch

--- a/net/minecraft/server/EntityCreeper.java
+++ b/net/minecraft/server/EntityCreeper.java
@@ -1,5 +1,10 @@
 package net.minecraft.server;
 
+// CraftBukkit start
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.event.entity.ExplosionPrimeEvent;
+// CraftBukkit end
+
 public class EntityCreeper extends EntityMonster {
 
     private static final DataWatcherObject<Integer> a = DataWatcher.a(EntityCreeper.class, DataWatcherRegistry.b);
@@ -117,7 +122,7 @@
     }
 
     public void die(DamageSource damagesource) {
-        super.die(damagesource);
+        // super.die(damagesource); // CraftBukkit - Moved to end
         if (this.world.getGameRules().getBoolean("doMobLoot")) {
             if (damagesource.getEntity() instanceof EntitySkeleton) {
                 int i = Item.getId(Items.RECORD_13);
@@ -130,6 +135,7 @@
                 this.a(new ItemStack(Items.SKULL, 1, 4), 0.0F);
             }
         }
+        super.die(damagesource); // CraftBukkit - Moved from above
 
     }
 
@@ -155,8 +161,18 @@
 
     public void onLightningStrike(EntityLightning entitylightning) {
         super.onLightningStrike(entitylightning);
+        // CraftBukkit start
+        if (CraftEventFactory.callCreeperPowerEvent(this, entitylightning, org.bukkit.event.entity.CreeperPowerEvent.PowerCause.LIGHTNING).isCancelled()) {
+            return;
+        }
+
+        this.setPowered(true);
+    }
+
+    public void setPowered(boolean powered) {
         this.datawatcher.set(EntityCreeper.b, Boolean.valueOf(true));
     }
+    // CraftBukkit end
 
     protected boolean a(EntityHuman entityhuman, EnumHand enumhand, ItemStack itemstack) {
         if (itemstack != null && itemstack.getItem() == Items.FLINT_AND_STEEL) {
@@ -177,9 +193,17 @@
             boolean flag = this.world.getGameRules().getBoolean("mobGriefing");
             float f = this.isPowered() ? 2.0F : 1.0F;
 
-            this.aT = true;
-            this.world.explode(this, this.locX, this.locY, this.locZ, (float) this.explosionRadius * f, flag);
-            this.die();
+            // CraftBukkit start
+            ExplosionPrimeEvent event = new ExplosionPrimeEvent(this.getBukkitEntity(), this.explosionRadius * f, false);
+            this.world.getServer().getPluginManager().callEvent(event);
+            if (!event.isCancelled()) {
+                this.aT = true;
+                this.world.createExplosion(this, this.locX, this.locY, this.locZ, event.getRadius(), event.getFire(), flag);
+                this.die();
+            } else {
+                fuseTicks = 0;
+            }
+            // CraftBukkit end
         }
 
     }