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/* vertex types */
enum {
OBJVGeometric,
OBJVTexture,
OBJVNormal,
OBJVParametric,
OBJNVERT
};
/* element types */
enum {
OBJEPoint,
OBJELine,
OBJEFace,
OBJECurve,
OBJECurve2,
OBJESurface
};
/* grouping types */
enum {
OBJGGlobal,
OBJGSmoothing,
OBJGMerging
};
/* object hash table size */
enum {
OBJHTSIZE = 17
};
typedef struct OBJVertex OBJVertex;
typedef struct OBJVertexArray OBJVertexArray;
typedef struct OBJElem OBJElem;
//typedef struct OBJGroup OBJGroup;
typedef struct OBJObject OBJObject;
typedef struct OBJ OBJ;
#pragma varargck type "O" OBJ*
struct OBJVertex
{
union {
struct { double x, y, z, w; }; /* geometric */
struct { double u, v, vv; }; /* texture and parametric */
struct { double i, j, k; }; /* normal */
};
};
struct OBJVertexArray
{
OBJVertex *verts;
int nvert;
};
struct OBJElem
{
int *indices;
int nindex;
int type;
OBJElem *next;
};
//struct OBJGroup
//{
// char *name;
// int type;
// OBJElem *elem0;
// OBJGroup *next;
//};
//struct OBJObject
//{
// char *name;
// OBJGroup *grptab[OBJHTSIZE];
// OBJObject *next;
//};
struct OBJObject
{
char *name;
OBJElem *child;
OBJObject *next;
};
struct OBJ
{
OBJVertexArray vertdata[OBJNVERT];
OBJObject *objtab[OBJHTSIZE];
};
OBJ *objparse(char*);
void objfree(OBJ*);
int OBJfmt(Fmt*);
void OBJfmtinstall(void);
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