the final rename

src/voxels/voxel.hpp

@@ -0,0 +1,31 @@
+#ifndef VOXELS_VOXEL_HPP_
+#define VOXELS_VOXEL_HPP_
+
+#include "../typedefs.hpp"
+
+const int BLOCK_DIR_NORTH = 0x0;
+const int BLOCK_DIR_WEST = 0x1;
+const int BLOCK_DIR_SOUTH = 0x2;
+const int BLOCK_DIR_EAST = 0x3;
+const int BLOCK_DIR_UP = 0x4;
+const int BLOCK_DIR_DOWN = 0x5;
+
+// limited to 8 block orientations
+const int BLOCK_ROT_MASK =      0b0000'0111;
+// reserved bits
+const int BLOCK_RESERVED_MASK = 0b1111'1000;
+
+struct voxel {
+	blockid_t id;
+	blockstate_t states;
+
+	inline uint8_t rotation() const {
+		return states & BLOCK_ROT_MASK;
+	}
+
+    inline void setRotation(uint8_t rotation) {
+        states = (states & (~BLOCK_ROT_MASK)) | (rotation & BLOCK_ROT_MASK);
+    }
+};
+
+#endif /* VOXELS_VOXEL_HPP_ */