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path: root/patches/server/0152-Entity-fromMobSpawner.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Sun, 18 Jun 2017 18:17:05 -0500
Subject: [PATCH] Entity#fromMobSpawner()


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 55f1886761c7a528f0f1e371de546aff7707e60b..be1b7014a745a3f7ce6cb690c494bbb876e40fcc 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -380,6 +380,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
     // Spigot end
     // Paper start
     protected int numCollisions = 0; // Paper
+    public boolean spawnedViaMobSpawner; // Paper - Yes this name is similar to above, upstream took the better one
     @javax.annotation.Nullable
     private org.bukkit.util.Vector origin;
     @javax.annotation.Nullable
@@ -1968,6 +1969,10 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
                 }
                 nbt.put("Paper.Origin", this.newDoubleList(origin.getX(), origin.getY(), origin.getZ()));
             }
+            // Save entity's from mob spawner status
+            if (spawnedViaMobSpawner) {
+                nbt.putBoolean("Paper.FromMobSpawner", true);
+            }
             // Paper end
             return nbt;
         } catch (Throwable throwable) {
@@ -2107,6 +2112,8 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
                 this.originWorld = originWorld;
                 origin = new org.bukkit.util.Vector(originTag.getDouble(0), originTag.getDouble(1), originTag.getDouble(2));
             }
+
+            spawnedViaMobSpawner = nbt.getBoolean("Paper.FromMobSpawner"); // Restore entity's from mob spawner status
             // Paper end
 
         } catch (Throwable throwable) {
diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
index e5b56a85d76d1417dda2d14b1b03850bbb070f4c..5304b0455b070006922e1b5471e9c0ababc58aa2 100644
--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
@@ -159,6 +159,7 @@ public abstract class BaseSpawner {
                             }
                             // Spigot End
                         }
+                        entity.spawnedViaMobSpawner = true; // Paper
                         // Spigot Start
                         if (org.bukkit.craftbukkit.event.CraftEventFactory.callSpawnerSpawnEvent(entity, pos).isCancelled()) {
                             Entity vehicle = entity.getVehicle();
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index b9599f4f431098d63be98b5175890371103f8813..d3a8c68f5186f69432fb8af8b34b174b04368fc1 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -1260,5 +1260,10 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
         //noinspection ConstantConditions
         return originVector.toLocation(world);
     }
+
+    @Override
+    public boolean fromMobSpawner() {
+        return getHandle().spawnedViaMobSpawner;
+    }
     // Paper end
 }