--- ray/src/common/mesh.h 2003/03/12 04:59:04 2.2 +++ ray/src/common/mesh.h 2003/06/27 06:53:21 2.8 @@ -1,15 +1,17 @@ -/* RCSid $Id: mesh.h,v 2.2 2003/03/12 04:59:04 greg Exp $ */ +/* RCSid $Id: mesh.h,v 2.8 2003/06/27 06:53:21 greg Exp $ */ /* * Header for compact triangle mesh geometry * * Include after standard.h, object.h and octree.h */ +#ifndef _RAD_MESH_H_ +#define _RAD_MESH_H_ +#ifdef __cplusplus +extern "C" { +#endif -#include "copyright.h" +#include "lookup.h" -#ifndef uint4 -#define uint4 unsigned int4 -#endif #ifndef BYTE #define BYTE unsigned char #endif @@ -40,23 +42,27 @@ * a lot of effort, but it can reduce mesh storage by a factor of 3 * or more. This is important, as the whole point is to model very * complicated geometry with this structure, and memory is the main - * limitation. (We also optimize intersection tests for triangles.) + * limitation. */ /* A triangle mesh patch */ typedef struct { - uint4 (*xyz)[3]; /* up to 256 patch vertices */ - int4 *norm; /* vertex normals */ - uint4 (*uv)[2]; /* vertex local coordinates */ + uint32 (*xyz)[3]; /* up to 256 patch vertices */ + int32 *norm; /* vertex normals */ + uint32 (*uv)[2]; /* vertex local coordinates */ struct PTri { BYTE v1, v2, v3; /* local vertices */ } *tri; /* local triangles */ + short solemat; /* sole material */ + int16 *trimat; /* or local material indices */ struct PJoin1 { - int4 v1j; /* non-local vertex */ + int32 v1j; /* non-local vertex */ + int16 mat; /* material index */ BYTE v2, v3; /* local vertices */ } *j1tri; /* joiner triangles */ struct PJoin2 { - int4 v1j, v2j; /* non-local vertices */ + int32 v1j, v2j; /* non-local vertices */ + int16 mat; /* material index */ BYTE v3; /* local vertex */ } *j2tri; /* double joiner triangles */ short nverts; /* vertex count */ @@ -71,10 +77,13 @@ typedef struct mesh { int nref; /* reference count */ int ldflags; /* what we've loaded */ CUBE mcube; /* bounds and octree */ - FLOAT uvlim[2][2]; /* local coordinate extrema */ + RREAL uvlim[2][2]; /* local coordinate extrema */ + OBJECT mat0; /* base material index */ + OBJECT nmats; /* number of materials */ MESHPATCH *patch; /* mesh patch list */ int npatches; /* number of mesh patches */ - char *cdata; /* opaque client data pointer */ + OBJREC *pseudo; /* mesh pseudo objects */ + LUTAB lut; /* vertex lookup table */ struct mesh *next; /* next mesh in list */ } MESH; @@ -95,42 +104,35 @@ typedef struct { int fl; /* setting flags */ FVECT v; /* vertex location */ FVECT n; /* vertex normal */ - FLOAT uv[2]; /* local coordinates */ + RREAL uv[2]; /* local coordinates */ } MESHVERT; /* mesh format identifier */ #define MESHFMT "Radiance_tmesh" /* magic number for mesh files */ -#define MESHMAGIC ( 0 *MAXOBJSIZ+311) /* increment first value */ +#define MESHMAGIC ( 1 *MAXOBJSIZ+311) /* increment first value */ -#ifdef NOPROTO -extern MESH *getmesh(); -extern INSTANCE *getmeshinst(); -extern int getmeshtrivid(); -extern int getmeshvert(); -extern int getmeshtri(); -extern int4 addmeshvert(); -extern OBJECT addmeshtri(); -extern void printmeshstats(); -extern void freemesh(); -extern void freemeshinst(); -extern void readmesh(); -extern void writemesh(); - -#else - extern MESH *getmesh(char *mname, int flags); extern MESHINST *getmeshinst(OBJREC *o, int flags); -extern int getmeshtrivid(int4 tvid[3], MESH *mp, OBJECT ti); -extern int getmeshvert(MESHVERT *vp, MESH *mp, int4 vid, int what); -extern int getmeshtri(MESHVERT tv[3], MESH *mp, OBJECT ti, int what); -extern int4 addmeshvert(MESH *mp, MESHVERT *vp); -extern OBJECT addmeshtri(MESH *mp, MESHVERT tv[3]); +extern int getmeshtrivid(int32 tvid[3], OBJECT *mo, + MESH *mp, OBJECT ti); +extern int getmeshvert(MESHVERT *vp, MESH *mp, int32 vid, int what); +extern int getmeshtri(MESHVERT tv[3], OBJECT *mo, + MESH *mp, OBJECT ti, int what); +extern OBJREC *getmeshpseudo(MESH *mp, OBJECT mo); +extern int32 addmeshvert(MESH *mp, MESHVERT *vp); +extern OBJECT addmeshtri(MESH *mp, MESHVERT tv[3], OBJECT mo); +extern char *checkmesh(MESH *mp); extern void printmeshstats(MESH *ms, FILE *fp); extern void freemesh(MESH *ms); extern void freemeshinst(OBJREC *o); extern void readmesh(MESH *mp, char *path, int flags); extern void writemesh(MESH *mp, FILE *fp); -#endif /* NOPROTO */ + +#ifdef __cplusplus +} +#endif +#endif /* _RAD_MESH_H_ */ +