X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fchunk.cpp;h=66b049f00366e1ea4a91cb2f0f69d7b200c3d48b;hb=32a2a1231de8438f8408007c41247361b1c52417;hp=81c8698db803dbcc3a1e99a4ebe1a9226bf15976;hpb=b368ecb2c0f34e27b1d3b97cceb218b554dee324;p=blank.git

diff --git a/src/chunk.cpp b/src/chunk.cpp
index 81c8698..66b049f 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);
@@ -603,8 +618,12 @@ void ChunkLoader::Rebase(const Chunk::Pos &new_base) {
 		}
 	}
 	// add missing new chunks
+	GenerateSurrounding(base);
+}
+
+void ChunkLoader::GenerateSurrounding(const Chunk::Pos &pos) {
 	const Chunk::Pos offset(load_dist, load_dist, load_dist);
-	Generate(base - offset, base + offset);
+	Generate(pos - offset, pos + offset);
 }
 
 void ChunkLoader::Update() {