add block rotate

src/voxels/Block.h

@@ -19,6 +19,7 @@ public:
 	bool obstacle = true;
 	bool selectable = true;
 	bool breakable = true;
+	bool rotatable = false;
 	float hitboxScale = 1;
 	float hitboxY = 1;
 

src/voxels/Chunk.h

@@ -6,7 +6,7 @@
 #define CHUNK_W 16
 #define CHUNK_H 256
 #define CHUNK_D 16
-#define CHUNK_VOL (CHUNK_W * CHUNK_H * CHUNK_D)
+#define CHUNK_VOL (CHUNK_W * CHUNK_H * CHUNK_D * 2)
 
 #define CHUNK_MODIFIED 0x1
 #define CHUNK_READY 0x2

src/voxels/Chunks.cpp

@@ -123,7 +123,7 @@ Chunk* Chunks::getChunk(int x, int z){
 	return chunks[z * w + x];
 }
 
-void Chunks::set(int x, int y, int z, int id){
+void Chunks::set(int x, int y, int z, int id, uint8_t states){
 	x -= ox * CHUNK_W;
 	z -= oz * CHUNK_D;
 	int cx = x / CHUNK_W;
@@ -140,6 +140,7 @@ void Chunks::set(int x, int y, int z, int id){
 	int lx = x - cx * CHUNK_W;
 	int lz = z - cz * CHUNK_D;
 	chunk->voxels[(y * CHUNK_D + lz) * CHUNK_W + lx].id = id;
+	chunk->voxels[(y * CHUNK_D + lz) * CHUNK_W + lx].states = states;
 	chunk->setUnsaved(true);
 	chunk->setModified(true);
 

src/voxels/Chunks.h

@@ -34,7 +34,7 @@ public:
 	voxel* get(int x, int y, int z);
 	unsigned short getLight(int x, int y, int z);
 	unsigned char getLight(int x, int y, int z, int channel);
-	void set(int x, int y, int z, int id);
+	void set(int x, int y, int z, int id, uint8_t states);
 	voxel* rayCast(vec3 start, vec3 dir, float maxLength, vec3& end, vec3& norm, vec3& iend);
 
 	bool isObstacle(int x, int y, int z);

src/voxels/WorldGenerator.cpp

@@ -151,6 +151,7 @@ void WorldGenerator::generate(voxel* voxels, int cx, int cz, int seed){
 					id = BLOCK_FLOWER;
 				}
 				voxels[(y * CHUNK_D + z) * CHUNK_W + x].id = id;
+				voxels[(y * CHUNK_D + z) * CHUNK_W + x].states = 0x32;
 			}
 		}
 	}

src/voxels/voxel.h

@@ -5,6 +5,7 @@
 
 struct voxel {
 	uint8_t id;
+	uint8_t states;
 };
 
 #endif /* VOXELS_VOXEL_H_ */