SPIGOT-5155: Setting EntityExplodeEvent yield to 0 still causes blocks to drop

nms-patches/Explosion.patch

@@ -90,13 +90,13 @@
 +            float yield;
 +
 +            if (explode != null) {
-+                EntityExplodeEvent event = new EntityExplodeEvent(explode, location, blockList, 1.0F / this.size);
++                EntityExplodeEvent event = new EntityExplodeEvent(explode, location, blockList, this.b == Explosion.Effect.DESTROY ? 1.0F / this.size : 1.0F);
 +                this.world.getServer().getPluginManager().callEvent(event);
 +                cancelled = event.isCancelled();
 +                bukkitBlocks = event.blockList();
 +                yield = event.getYield();
 +            } else {
-+                BlockExplodeEvent event = new BlockExplodeEvent(location.getBlock(), blockList, 1.0F / this.size);
++                BlockExplodeEvent event = new BlockExplodeEvent(location.getBlock(), blockList, this.b == Explosion.Effect.DESTROY ? 1.0F / this.size : 1.0F);
 +                this.world.getServer().getPluginManager().callEvent(event);
 +                cancelled = event.isCancelled();
 +                bukkitBlocks = event.blockList();
@@ -118,11 +118,13 @@
              iterator = this.blocks.iterator();
  
              while (iterator.hasNext()) {
-@@ -226,7 +292,7 @@
+@@ -225,8 +291,8 @@
+                         TileEntity tileentity = block.isTileEntity() ? this.world.getTileEntity(blockposition) : null;
                          LootTableInfo.Builder loottableinfo_builder = (new LootTableInfo.Builder((WorldServer) this.world)).a(this.world.random).set(LootContextParameters.POSITION, blockposition).set(LootContextParameters.TOOL, ItemStack.a).setOptional(LootContextParameters.BLOCK_ENTITY, tileentity);
  
-                         if (this.b == Explosion.Effect.DESTROY) {
+-                        if (this.b == Explosion.Effect.DESTROY) {
 -                            loottableinfo_builder.set(LootContextParameters.EXPLOSION_RADIUS, this.size);
++                        if (this.b == Explosion.Effect.DESTROY || yield < 1.0F) { // CraftBukkit - add yield
 +                            loottableinfo_builder.set(LootContextParameters.EXPLOSION_RADIUS, 1.0F / yield); // CraftBukkit - add yield
                          }