From 35f8ebe79c2a3ca3b94d93c668ad2caffc3ce49d Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 6 Mar 2022 03:01:08 +0300
Subject: [PATCH] Fixed first chunks lighting concurrency problem

---
 src/voxels/ChunksController.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/voxels/ChunksController.cpp b/src/voxels/ChunksController.cpp
index 8cdf29d1..b7bad1ce 100644
--- a/src/voxels/ChunksController.cpp
+++ b/src/voxels/ChunksController.cpp
@@ -61,16 +61,24 @@ bool ChunksController::loadVisible(WorldFiles* worldFiles){
 	if (chunk != nullptr)
 		return false;
 
+	static int _totalLoaded = 0;
+
 	ChunksLoader* freeLoader = nullptr;
 	for (int i = 0; i < LOADERS_COUNT; i++){
 		ChunksLoader* loader = loaders[i];
-		if (loader->isBusy())
+		if (loader->isBusy()){
+			// Use only one loader at start to prevent near chunks lighting artifacts
+			if (_totalLoaded < 4){
+				break;
+			}
 			continue;
+		}
 		freeLoader = loader;
 		break;
 	}
 	if (freeLoader == nullptr)
 		return false;
+	_totalLoaded++;
 	chunk = new Chunk(nearX+ox,nearY+oy,nearZ+oz);
 	if (worldFiles->getChunk(chunk->x, chunk->z, (char*)chunk->voxels))
 		chunk->loaded = true;