Block rotation profiles

src/voxels/Block.cpp

@@ -1,10 +1,19 @@
 #include "Block.h"
 
+BlockRotProfile BlockRotProfile::PIPE {{
+		// Vertical
+		{{1, 0, 0}, {0, 1, 0}, {0, 0, 1},	{0, 0, 0}},
+		// X-Aligned
+		{{0, -1, 0}, {1, 0, 0}, {0, 0, 1},	{0, 1, 0}},
+		// Z-Aligned
+		{{1, 0, 0}, {0, 0, 1}, {0, -1, 0},	{0, 0, -1}},
+}};
+
 Block::Block(std::string name) 
 	: name(name), 
 	  textureFaces {"notfound","notfound","notfound",
 	  			    "notfound","notfound","notfound",} {
-
+	rotations = BlockRotProfile::PIPE;
 }
 
 Block::Block(std::string name, std::string texture) : name(name),

src/voxels/Block.h

@@ -2,6 +2,7 @@
 #define VOXELS_BLOCK_H_
 
 #include <string>
+#include <glm/glm.hpp>
 
 #include "../maths/aabb.h"
 #include "../typedefs.h"
@@ -15,6 +16,23 @@
 
 #define BLOCK_AABB_GRID 16
 
+struct CoordSystem {
+	glm::ivec3 axisX;
+	glm::ivec3 axisY;
+	glm::ivec3 axisZ;
+	// Grid 3d position fix offset (for negative vectors)
+	glm::ivec3 fix;
+};
+
+struct BlockRotProfile {
+	CoordSystem variants[16];
+
+	/* Wood logs, pillars, pipes
+	   3 orientations supported
+	 */
+	static BlockRotProfile PIPE;
+};
+
 enum class BlockModel {
 	none, // invisible 
 	block, // default shape
@@ -38,6 +56,7 @@ public:
 	bool breakable = true;
 	bool rotatable = false;
 	AABB hitbox;
+	BlockRotProfile rotations;
 
 	struct {
 		blockid_t id;

src/voxels/voxel.h

@@ -4,8 +4,11 @@
 #include "../typedefs.h"
 
 #define BLOCK_DIR_X 0x1
-#define BLOCK_DIR_Y 0x2
-#define BLOCK_DIR_Z 0x3
+#define BLOCK_DIR_Y 0x0
+#define BLOCK_DIR_Z 0x2
+
+// limited to 16 block orientations
+#define BLOCK_ROT_MASK 0xF
 
 struct voxel {
 	blockid_t id;