From d6b2e019c7bee98ed548c58a90b0a3c0cb6cadc0 Mon Sep 17 00:00:00 2001
From: Daniel Mills <danielmillst@gmail.com>
Date: Tue, 20 Jul 2021 02:58:57 -0400
Subject: [PATCH] Headless look for existing chunks

---
 .../iris/engine/headless/HeadlessGenerator.java | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/main/java/com/volmit/iris/engine/headless/HeadlessGenerator.java b/src/main/java/com/volmit/iris/engine/headless/HeadlessGenerator.java
index b02ffd10f..e983bc879 100644
--- a/src/main/java/com/volmit/iris/engine/headless/HeadlessGenerator.java
+++ b/src/main/java/com/volmit/iris/engine/headless/HeadlessGenerator.java
@@ -19,15 +19,22 @@
 package com.volmit.iris.engine.headless;
 
 import com.volmit.iris.core.pregenerator.PregenListener;
+import com.volmit.iris.engine.data.mca.LoadFlags;
+import com.volmit.iris.engine.data.mca.MCAFile;
+import com.volmit.iris.engine.data.mca.MCAUtil;
 import com.volmit.iris.engine.data.mca.NBTWorld;
 import com.volmit.iris.engine.framework.EngineCompositeGenerator;
 import com.volmit.iris.engine.parallel.MultiBurst;
+import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.math.Position2;
 import lombok.Data;
 
 import java.io.File;
+import java.io.IOException;
 
 @Data
 public class HeadlessGenerator {
+    private static  KList<Position2> EMPTYPOINTS = new KList<>();
     private final HeadlessWorld world;
     private final EngineCompositeGenerator generator;
     private final NBTWorld writer;
@@ -82,4 +89,14 @@ public class HeadlessGenerator {
         generator.close();
         writer.close();
     }
+
+    public KList<Position2> getChunksInRegion(int x, int z) {
+        try {
+            return MCAUtil.sampleChunkPositions(writer.getRegionFile(x, z));
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        return EMPTYPOINTS;
+    }
 }