Paper/Spigot-Server-Patches/0030-Fix-lag-from-explosions-processing-dead-entities.patch

From b45b30d876512ac7815531b094830438c30de107 Mon Sep 17 00:00:00 2001
From: Iceee <andrew@opticgaming.tv>
Date: Wed, 2 Mar 2016 01:39:52 -0600
Subject: [PATCH] Fix lag from explosions processing dead entities


diff --git a/src/main/java/net/minecraft/server/Explosion.java b/src/main/java/net/minecraft/server/Explosion.java
index d564aaf60..92e3a49e2 100644
--- a/src/main/java/net/minecraft/server/Explosion.java
+++ b/src/main/java/net/minecraft/server/Explosion.java
@@ -111,7 +111,14 @@ public class Explosion {
         int i1 = MathHelper.floor(this.posY + (double) f3 + 1.0D);
         int j1 = MathHelper.floor(this.posZ - (double) f3 - 1.0D);
         int k1 = MathHelper.floor(this.posZ + (double) f3 + 1.0D);
-        List list = this.world.getEntities(this.source, new AxisAlignedBB((double) i, (double) l, (double) j1, (double) j, (double) i1, (double) k1));
+        // Paper start - Fix lag from explosions processing dead entities
+        List list = this.world.getEntities(this.source, new AxisAlignedBB((double) i, (double) l, (double) j1, (double) j, (double) i1, (double) k1), new com.google.common.base.Predicate<Entity>() {
+            @Override
+            public boolean apply(Entity entity) {
+                return IEntitySelector.canAITarget().test(entity) && !entity.dead;
+            }
+        });
+        // Paper end
         Vec3D vec3d = new Vec3D(this.posX, this.posY, this.posZ);
 
         for (int l1 = 0; l1 < list.size(); ++l1) {
diff --git a/src/main/java/net/minecraft/server/IEntitySelector.java b/src/main/java/net/minecraft/server/IEntitySelector.java
index 2e2fb85cf..7b7fd6b9b 100644
--- a/src/main/java/net/minecraft/server/IEntitySelector.java
+++ b/src/main/java/net/minecraft/server/IEntitySelector.java
@@ -13,6 +13,7 @@ public final class IEntitySelector {
     public static final Predicate<Entity> d = (entity) -> {
         return entity instanceof IInventory && entity.isAlive();
     };
+    public static Predicate<Entity> canAITarget() { return e; } // Paper - OBFHELPER
     public static final Predicate<Entity> e = (entity) -> {
         return !(entity instanceof EntityHuman) || !((EntityHuman)entity).isSpectator() && !((EntityHuman)entity).u();
     };
@@ -96,9 +97,5 @@ public final class IEntitySelector {
             }
         }
 
-        // $FF: synthetic method
-        public boolean test(@Nullable Object object) {
-            return this.test((Entity)object);
-        }
     }
 }
-- 
2.20.0