From b89f3bcbeb09fca84b3891892ea7d6ca4e96b5d1 Mon Sep 17 00:00:00 2001
From: cswhite2000 <18whitechristop@gmail.com>
Date: Tue, 21 Aug 2018 19:44:10 -0700
Subject: [PATCH] isChunkGenerated API

Resolves #1329

diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 60f249a031..fc621911e0 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -34,6 +34,9 @@ public class ChunkProviderServer implements IChunkProvider {
     private long lastQueuedSaves = 0L; // Paper
     private long lastProcessedSaves = 0L; // Paper
     private long lastSaveStatPrinted = System.currentTimeMillis();
+    public boolean isChunkGenerated(int x, int z) {
+        return this.chunks.containsKey(ChunkCoordIntPair.asLong(x, z)) || ((ChunkRegionLoader) this.chunkLoader).chunkExists(x, z);
+    }
     // Paper end
     public final Long2ObjectMap<Chunk> chunks = Long2ObjectMaps.synchronize(new ChunkMap(8192));
     private Chunk lastChunk;
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 2611971575..99d8199996 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -596,6 +596,12 @@ public class CraftWorld implements World {
         return getChunkAt(location.getBlockX() >> 4, location.getBlockZ() >> 4);
     }
 
+    // Paper start
+    public boolean isChunkGenerated(int x, int z) {
+        return this.getHandle().getChunkProviderServer().isChunkGenerated(x, z);
+    }
+    // Paper end
+
     public ChunkGenerator getGenerator() {
         return generator;
     }
-- 
2.19.0