+ // check which faces of a block at given index are obstructed (and therefore invisible)
+ Block::FaceSet Obstructed(int idx) const noexcept;
+
+ void Invalidate() noexcept { dirty = true; }
+
+ void SetBlock(int index, const Block &) noexcept;
+ void SetBlock(const Block::Pos &pos, const Block &block) noexcept { SetBlock(ToIndex(pos), block); }
+ void SetBlock(const Pos &pos, const Block &block) noexcept { SetBlock(ToIndex(pos), block); }
+
+ const Block &BlockAt(int index) const noexcept { return blocks[index]; }
+ const Block &BlockAt(const Block::Pos &pos) const noexcept { return BlockAt(ToIndex(pos)); }
+ const Block &BlockAt(const Pos &pos) const noexcept { return BlockAt(ToIndex(pos)); }
+
+ const BlockType &Type(const Block &b) const noexcept { return types->Get(b.type); }
+
+ void SetLight(int index, int level) noexcept;
+ void SetLight(const Pos &pos, int level) noexcept { SetLight(ToIndex(pos), level); }
+ void SetLight(const Block::Pos &pos, int level) noexcept { SetLight(ToIndex(pos), level); }
+
+ int GetLight(int index) const noexcept;
+ int GetLight(const Pos &pos) const noexcept { return GetLight(ToIndex(pos)); }
+ int GetLight(const Block::Pos &pos) const noexcept { return GetLight(ToIndex(pos)); }
+
+ float GetVertexLight(int index, const BlockModel::Position &, const Model::Normal &) const noexcept;