From 0000000000000000000000000000000000000000 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 1228b73bd433c59b0b1503f3be270a9af6aadaa5..1f20fbbf92c9d2937594c924837fff0bb9ee9238 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
@@ -71,6 +71,9 @@ public abstract class EntityHuman extends EntityLiving {
     private final ItemCooldown bW;
     @Nullable
     public EntityFishingHook hookedFish;
+    // Paper start
+    public boolean affectsSpawning = true;
+    // Paper end
 
     // CraftBukkit start
     public boolean fauxSleeping;
diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
index 23995b68a17b87b90962c4c12aa37e3a254073b5..1732c1ae9537957c51da5e484b55febb6e9f0091 100644
--- a/src/main/java/net/minecraft/server/EntityInsentient.java
+++ b/src/main/java/net/minecraft/server/EntityInsentient.java
@@ -627,7 +627,7 @@ public abstract class EntityInsentient extends EntityLiving {
         } else if (!this.isPersistent() && !this.I()) {
             EntityHuman entityhuman = this.world.findNearbyPlayer(this, -1.0D);
 
-            if (entityhuman != null) {
+            if (entityhuman != null && entityhuman.affectsSpawning) { // Paper - Affects Spawning API
                 double d0 = entityhuman.h(this);
 
                 if (d0 > world.paperConfig.hardDespawnDistance) { // CraftBukkit - remove isTypeNotPersistent() check // Paper - custom despawn distances
diff --git a/src/main/java/net/minecraft/server/EntitySilverfish.java b/src/main/java/net/minecraft/server/EntitySilverfish.java
index 102b3a3c48799e44de760da48425fef9c5278771..08c2a22f7a01df21532e1949ea9d51f78a611cee 100644
--- a/src/main/java/net/minecraft/server/EntitySilverfish.java
+++ b/src/main/java/net/minecraft/server/EntitySilverfish.java
@@ -99,7 +99,7 @@ public class EntitySilverfish extends EntityMonster {
         if (d(entitytypes, generatoraccess, enummobspawn, blockposition, random)) {
             EntityHuman entityhuman = generatoraccess.a((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.getZ() + 0.5D, 5.0D, true);
 
-            return entityhuman == null;
+            return !(entityhuman != null && !entityhuman.affectsSpawning) && entityhuman == null; // Paper - Affects Spawning API
         } else {
             return false;
         }
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 48d1397a6846c64dfa372390783ce66827153bf9..2d3f3a2b7f4e6acdf8043befb584fc0752b1ba3a 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1625,7 +1625,19 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     @Override
     public String getLocale() {
         return getHandle().locale;
+
+    }
+
+    // Paper start
+    public void setAffectsSpawning(boolean affects) {
+        this.getHandle().affectsSpawning = affects;
+    }
+
+    @Override
+    public boolean getAffectsSpawning() {
+        return this.getHandle().affectsSpawning;
     }
+    // Paper end
 
     @Override
     public void updateCommands() {