X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fchunk.hpp;h=e27cf5ed09d5b3e6a9b018e5bd1b4ca927450a47;hb=a58c4558e7d4934f4d0ee621520acfe1c8258c93;hp=61303aad02280f102c7d3d14a3175e2b8c73a67d;hpb=374843f5b3ae60c0d02704a8da5100ac8abe7f1a;p=blank.git

diff --git a/src/chunk.hpp b/src/chunk.hpp
index 61303aa..e27cf5e 100644
--- a/src/chunk.hpp
+++ b/src/chunk.hpp
@@ -52,6 +52,17 @@ public:
 		);
 	}
 
+	static constexpr bool IsBorder(int idx) {
+		return
+			idx < Width() * Height() ||
+			(idx / Width()) % Height() == 0 ||
+			(idx / Width()) % Height() == Height() - 1 ||
+			(idx / (Width() * Height())) == Depth() - 1;
+	}
+
+	// check if block at given index is completely enclosed (and therefore invisible)
+	bool Obstructed(int idx) const;
+
 	void Allocate();
 	void Invalidate() { dirty = true; }
 
@@ -101,8 +112,8 @@ public:
 	std::list<Chunk> &Loaded() { return loaded; }
 
 	Chunk *Loaded(const Chunk::Pos &);
-	Chunk *Queued(const Chunk::Pos &);
-	Chunk *Known(const Chunk::Pos &);
+	bool Queued(const Chunk::Pos &);
+	bool Known(const Chunk::Pos &);
 	Chunk &ForceLoad(const Chunk::Pos &);
 
 	void Rebase(const Chunk::Pos &);
@@ -115,7 +126,7 @@ private:
 	const Generator &gen;
 
 	std::list<Chunk> loaded;
-	std::list<Chunk> to_generate;
+	std::list<Chunk::Pos> to_generate;
 	std::list<Chunk> to_free;
 
 	int load_dist;