invalidate meshes if surrounding chunks on insert

this should fix the dark seams on chunk borders

diff --git a/src/world/chunk.cpp b/src/world/chunk.cpp
index 800012e601cfa1cdc966b70f09ebd5876982e002..f819ef9be8ecacdeb90219862dc399f554d78a58 100644 (file)
--- a/src/world/chunk.cpp
+++ b/src/world/chunk.cpp
@@ -636,9 +636,13 @@ bool ChunkLoader::LoadOne() {
                        for (iter.x = begin.x; iter.x < end.x; ++iter.x) {
                                if (index->IsBorder(iter)) continue;
                                Chunk *light_chunk = index->Get(iter);
-                               if (!light_chunk || light_chunk->Lighted()) continue;
+                               if (!light_chunk) continue;
                                if (index->HasAllSurrounding(iter)) {
-                                       light_chunk->ScanLights();
+                                       if (!light_chunk->Lighted()) {
+                                               light_chunk->ScanLights();
+                                       } else {
+                                               light_chunk->InvalidateMesh();
+                                       }
                                }
                        }
                }