fix extra lights-related work in world.set_chunk_data

src/lighting/Lightmap.hpp

@@ -4,6 +4,7 @@
 #include "typedefs.hpp"
 
 #include <memory>
+#include <cstring>
 
 inline constexpr int LIGHTMAP_DATA_LEN = CHUNK_VOL/2;
 
@@ -17,6 +18,10 @@ public:
 
     void set(const light_t* map);
 
+    void clear() {
+        std::memset(map, 0, sizeof(map));
+    }
+
     inline unsigned short get(int x, int y, int z) const {
         return (map[y*CHUNK_D*CHUNK_W+z*CHUNK_W+x]);
     }

src/logic/scripting/lua/libs/libworld.cpp

@@ -148,12 +148,12 @@ static void integrate_chunk_client(Chunk& chunk) {
     int x = chunk.x;
     int z = chunk.z;
     auto chunksController = controller->getChunksController();
+    
     Lighting& lighting = *chunksController->lighting;
     chunk.flags.loadedLights = false;
     chunk.flags.lighted = false;
-
+    chunk.lightmap.clear();
     Lighting::prebuildSkyLight(chunk, *indices);
-    lighting.onChunkLoaded(x, z, true);
 
     for (int lz = -1; lz <= 1; lz++) {
         for (int lx = -1; lx <= 1; lx++) {
@@ -162,7 +162,6 @@ static void integrate_chunk_client(Chunk& chunk) {
             }
             if (auto other = level->chunks->getChunk(x + lx, z + lz)) {
                 other->flags.modified = true;
-                lighting.onChunkLoaded(x - 1, z, true);
             }
         }
     }