X-Git-Url: https://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fchunk.cpp;fp=src%2Fchunk.cpp;h=51694221b8a1c4acb359feb3a7b05ca5efe5024e;hb=774253e509ce13881229efda8849bf6f3c47b665;hp=81c8698db803dbcc3a1e99a4ebe1a9226bf15976;hpb=b368ecb2c0f34e27b1d3b97cceb218b554dee324;p=blank.git

diff --git a/src/chunk.cpp b/src/chunk.cpp
index 81c8698..5169422 100644
--- a/src/chunk.cpp
+++ b/src/chunk.cpp
@@ -263,6 +263,21 @@ int Chunk::GetLight(int index) const {
 }
 
 
+bool Chunk::IsSurface(const Pos &pos) const {
+	const Block &block = BlockAt(pos);
+	if (!Type(block).visible) {
+		return false;
+	}
+	for (int face = 0; face < Block::FACE_COUNT; ++face) {
+		const Block *next = FindNext(pos, Block::Face(face));
+		if (!next || !Type(*next).visible) {
+			return true;
+		}
+	}
+	return false;
+}
+
+
 void Chunk::Allocate() {
 	blocks.resize(Size(), Block(0));
 	light.resize(Size(), 0);