maybe fixed a lighting bug…

…that was practically inexistent

diff --git a/src/world/chunk.cpp b/src/world/chunk.cpp
index 9e95458ef45ac7b9b818cd40d32193bc52fc9f51..fb4375599226226d3e80ddcf670935a77d78e3d7 100644 (file)
--- a/src/world/chunk.cpp
+++ b/src/world/chunk.cpp
@@ -84,6 +84,9 @@ struct SetNode {
 
        const BlockType &GetType() const noexcept { return chunk->Type(Chunk::ToIndex(pos)); }
 
+       int EmitLevel() const noexcept { return GetType().luminosity; }
+       bool EmitsLight() const noexcept { return EmitLevel() > 0; }
+
        bool HasNext(Block::Face face) noexcept {
                const BlockType &type = GetType();
                if (type.block_light && !type.luminosity) return false;
@@ -146,9 +149,13 @@ void work_dark() noexcept {
                for (int face = 0; face < Block::FACE_COUNT; ++face) {
                        if (node.HasNext(Block::Face(face))) {
                                UnsetNode other = node.GetNext(Block::Face(face));
-                               // TODO: if there a light source here with the same level this will err
                                if (other.Get() != 0 && other.Get() < node.level) {
-                                       other.Set(0);
+                                       if (other.EmitsLight()) {
+                                               other.Set(other.EmitLevel());
+                                               light_queue.emplace(other);
+                                       } else {
+                                               other.Set(0);
+                                       }
                                        dark_queue.emplace(other);
                                } else {
                                        light_queue.emplace(other);