/*	Public domain	*/

typedef struct sg_voxel {
	struct sg_node _inherit;		/* SG_Node -> SG_Voxel */
	int w, h, d;
	Uint32 _pad1;
	M_Real *_Nullable *_Nonnull *_Nonnull map;	/* Array of cells */
	Uint8 _pad2[8];
} SG_Voxel;

#define SG_VOXEL_ISA(o) (((AGOBJECT(o)->cid & 0xffff0000) >> 16) == 0x7A06)
#define SGVOXEL(o)      ((SG_Voxel *)(o))
#define SGCVOXEL(o)     ((const SG_Voxel *)(o))

__BEGIN_DECLS
extern SG_NodeClass sgVoxelClass;

SG_Voxel *_Nonnull SG_VoxelNew(void *_Nullable, const char *_Nullable);
void               SG_VoxelAlloc3(SG_Voxel *_Nonnull, Uint,Uint,Uint);
void               SG_VoxelReset(SG_Voxel *_Nonnull, M_Real);
int                SG_VoxelSet3(SG_Voxel *_Nonnull, int,int,int, M_Real);
__END_DECLS