[ChunkMeshBuilder] Small optimisation for getBlockState.

Unarelith · Jun 5, 2021 · b7c9658 · b7c9658
1 parent 5ff8f9b
commit b7c9658
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/source/client/world/ChunkMeshBuilder.hpp b/source/client/world/ChunkMeshBuilder.hpp
@@ -64,16 +64,18 @@ struct ChunkData {
 	}
 
 	s8 getTorchlight(s8f x, s8f y, s8f z) const {
-		auto torchlight = lightData[z + 1][y + 1][x + 1];
-		return torchlight ? torchlight.value() & 0xf : -1;
+		auto light = lightData[z + 1][y + 1][x + 1];
+		return light ? light.value() & 0xf : -1;
 	}
 
 	s8 getSunlight(s8f x, s8f y, s8f z) const {
-		auto sunlight = lightData[z + 1][y + 1][x + 1];
-		return sunlight ? (sunlight.value() >> 4) & 0xf : -1;
+		auto light = lightData[z + 1][y + 1][x + 1];
+		return light ? (light.value() >> 4) & 0xf : -1;
 	}
 
 	const BlockState *getBlockState(s8f x, s8f y, s8f z) const {
+		if (!lightData[z + 1][y + 1][x + 1]) return nullptr;
+
 		u16 blockID = getBlockID(x, y, z);
 		u16 blockParam = getBlockParam(x, y, z);