Add obfuscation helper (aikar's request) (#1468)

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

@@ -1,11 +1,11 @@
-From f1a992b3f2f203ca2c6776a5f31cf7d83ecf8621 Mon Sep 17 00:00:00 2001
+From 7f8761e0c24cca4d01e02ea972fa5696fc3174a1 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 e5ba6edd..2620c4c2 100644
+index e5ba6eddd..c7d11cf62 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 {
@@ -17,13 +17,35 @@ index e5ba6edd..2620c4c2 100644
 +        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.e.test(entity) && !entity.dead;
++                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 30f8ec519..b1d05220b 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();
+     };
+@@ -96,8 +97,7 @@ public final class IEntitySelector {
+             }
+         }
+ 
+-        // $FF: synthetic method
+-        public boolean test(@Nullable Object object) {
++        public boolean test(@Nullable Entity object) { // Paper - decompile error
+             return this.a((Entity)object);
+         }
+     }
 -- 
 2.18.0