From 3c03eaa436c6bba260c5bde3eb2acaf58476e1ef Mon Sep 17 00:00:00 2001
From: Jedediah Smith <jedediah@silencegreys.com>
Date: Tue, 1 Mar 2016 14:47:52 -0600
Subject: [PATCH] Player affects spawning API


diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
index 9f115d1..ae86ebc 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
@@ -63,6 +63,7 @@ public abstract class EntityHuman extends EntityLiving {
     private final ItemCooldown bV;
     @Nullable
     public EntityFishingHook hookedFish;
+    public boolean affectsSpawning = true; // Paper - AffectsSpawning API
 
     // CraftBukkit start
     public boolean fauxSleeping;
diff --git a/src/main/java/net/minecraft/server/IEntitySelector.java b/src/main/java/net/minecraft/server/IEntitySelector.java
index dc0ffd8..f04aecb 100644
--- a/src/main/java/net/minecraft/server/IEntitySelector.java
+++ b/src/main/java/net/minecraft/server/IEntitySelector.java
@@ -44,13 +44,14 @@ public final class IEntitySelector {
     };
     public static final Predicate<Entity> e = new Predicate() {
         public boolean a(@Nullable Entity entity) {
-            return !(entity instanceof EntityHuman) || !((EntityHuman) entity).isSpectator();
+            return !(entity instanceof EntityHuman) || !((EntityHuman) entity).isSpectator() || !((EntityHuman) entity).affectsSpawning; // Paper - Affects Spawning API
         }
 
         public boolean apply(@Nullable Object object) {
             return this.a((Entity) object);
         }
     };
+    public static final Predicate<Entity> CAN_MOBS_TARGET = e; // Paper - OBFHELPER
 
     public static <T extends Entity> Predicate<T> a(final double d0, final double d1, final double d2, double d3) {
         final double d4 = d3 * d3;
diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
index bec25e4..171410e 100644
--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
@@ -52,7 +52,7 @@ public final class SpawnerCreature {
             while (iterator.hasNext()) {
                 EntityHuman entityhuman = (EntityHuman) iterator.next();
 
-                if (!entityhuman.isSpectator()) {
+                if (!entityhuman.isSpectator() && entityhuman.affectsSpawning) { // Paper - AffectsSpawning API
                     int l = MathHelper.floor(entityhuman.locX / 16.0D);
 
                     j = MathHelper.floor(entityhuman.locZ / 16.0D);
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 3784c32..3bda255 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1427,6 +1427,16 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
 
     }
 
+    @Override
+    public void setAffectsSpawning(boolean affects) {
+        this.getHandle().affectsSpawning = affects;
+    }
+
+    @Override
+    public boolean getAffectsSpawning() {
+        return this.getHandle().affectsSpawning;
+    }
+
     // Spigot start
     private final Player.Spigot spigot = new Player.Spigot()
     {
-- 
2.10.2