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#include <string.h> |
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#include "standard.h" |
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#include "rtio.h" |
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#include "rtmath.h" |
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#include "rterror.h" |
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#include "paths.h" |
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#include "octree.h" |
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#include "object.h" |
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#include "otypes.h" |
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static unsigned long |
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cvhash(cvp) /* hash an encoded vertex */ |
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MCVERT *cvp; |
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cvhash(const char *p) /* hash an encoded vertex */ |
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{ |
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const MCVERT *cvp = (const MCVERT *)p; |
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unsigned long hval; |
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|
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if (!(cvp->fl & MT_V)) |
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|
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static int |
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cvcmp(v1, v2) /* compare encoded vertices */ |
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register MCVERT *v1, *v2; |
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cvcmp(const char *vv1, const char *vv2) /* compare encoded vertices */ |
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{ |
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const MCVERT *v1 = (const MCVERT *)vv1, *v2 = (const MCVERT *)vv2; |
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if (v1->fl != v2->fl) |
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return(1); |
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if (v1->xyz[0] != v2->xyz[0]) |
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|
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MESH * |
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getmesh(mname, flags) /* get new mesh data reference */ |
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char *mname; |
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int flags; |
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getmesh( /* get new mesh data reference */ |
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char *mname, |
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int flags |
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) |
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{ |
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char *pathname; |
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register MESH *ms; |
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> |
MESH *ms; |
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|
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flags &= IO_LEGAL; |
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for (ms = mlist; ms != NULL; ms = ms->next) |
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} |
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if ((pathname = getpath(mname, getrlibpath(), R_OK)) == NULL) { |
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sprintf(errmsg, "cannot find mesh file \"%s\"", mname); |
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error(USER, errmsg); |
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error(SYSTEM, errmsg); |
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} |
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flags &= ~ms->ldflags; |
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if (flags) |
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MESHINST * |
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getmeshinst(o, flags) /* create mesh instance */ |
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OBJREC *o; |
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int flags; |
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getmeshinst( /* create mesh instance */ |
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OBJREC *o, |
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int flags |
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) |
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{ |
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register MESHINST *ins; |
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MESHINST *ins; |
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|
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flags &= IO_LEGAL; |
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if ((ins = (MESHINST *)o->os) == NULL) { |
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int |
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getmeshtrivid(tvid, mo, mp, ti) /* get triangle vertex ID's */ |
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int32 tvid[3]; |
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OBJECT *mo; |
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MESH *mp; |
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OBJECT ti; |
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nextmeshtri( /* get next triangle ID */ |
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OBJECT *tip, |
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MESH *mp |
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) |
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{ |
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int pn; |
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MESHPATCH *pp; |
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|
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pn = ++(*tip) >> 10; /* next triangle (OVOID init) */ |
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while (pn < mp->npatches) { |
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pp = &mp->patch[pn]; |
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if (!(*tip & 0x200)) { /* local triangle? */ |
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if ((*tip & 0x1ff) < pp->ntris) |
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return(1); |
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*tip &= ~0x1ff; /* move on to single-joiners */ |
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*tip |= 0x200; |
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} |
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if (!(*tip & 0x100)) { /* single joiner? */ |
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if ((*tip & 0xff) < pp->nj1tris) |
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return(1); |
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*tip &= ~0xff; /* move on to double-joiners */ |
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*tip |= 0x100; |
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} |
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if ((*tip & 0xff) < pp->nj2tris) |
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return(1); |
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*tip = ++pn << 10; /* first in next patch */ |
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} |
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return(0); /* out of patches */ |
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} |
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|
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int |
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getmeshtrivid( /* get triangle vertex ID's */ |
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int32 tvid[3], |
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OBJECT *mo, |
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MESH *mp, |
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OBJECT ti |
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) |
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{ |
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int pn = ti >> 10; |
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MESHPATCH *pp; |
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int |
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getmeshvert(vp, mp, vid, what) /* get triangle vertex from ID */ |
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MESHVERT *vp; |
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MESH *mp; |
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int32 vid; |
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int what; |
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getmeshvert( /* get triangle vertex from ID */ |
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MESHVERT *vp, |
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MESH *mp, |
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int32 vid, |
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int what |
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) |
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{ |
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int pn = vid >> 8; |
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MESHPATCH *pp; |
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double vres; |
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register int i; |
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int i; |
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vp->fl = 0; |
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if (pn >= mp->npatches) |
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OBJREC * |
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getmeshpseudo(mp, mo) /* get mesh pseudo object for material */ |
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MESH *mp; |
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OBJECT mo; |
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getmeshpseudo( /* get mesh pseudo object for material */ |
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MESH *mp, |
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OBJECT mo |
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) |
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{ |
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if (mo < mp->mat0 || mo >= mp->mat0 + mp->nmats) |
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error(INTERNAL, "modifier out of range in getmeshpseudo"); |
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if (mp->pseudo == NULL) { |
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register int i; |
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int i; |
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mp->pseudo = (OBJREC *)calloc(mp->nmats, sizeof(OBJREC)); |
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if (mp->pseudo == NULL) |
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error(SYSTEM, "out of memory in getmeshpseudo"); |
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int |
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getmeshtri(tv, mo, mp, ti, wha) /* get triangle vertices */ |
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MESHVERT tv[3]; |
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OBJECT *mo; |
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MESH *mp; |
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OBJECT ti; |
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int wha; |
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getmeshtri( /* get triangle vertices */ |
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MESHVERT tv[3], |
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OBJECT *mo, |
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MESH *mp, |
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OBJECT ti, |
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int wha |
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) |
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{ |
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int32 tvid[3]; |
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int32 |
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addmeshvert(mp, vp) /* find/add a mesh vertex */ |
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register MESH *mp; |
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MESHVERT *vp; |
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addmeshvert( /* find/add a mesh vertex */ |
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MESH *mp, |
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MESHVERT *vp |
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) |
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{ |
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LUENT *lvp; |
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MCVERT cv; |
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< |
register int i; |
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int i; |
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if (!(vp->fl & MT_V)) |
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return(-1); |
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(vp->v[i] - mp->mcube.cuorg[i]) / |
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mp->mcube.cusize); |
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} |
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if (vp->fl & MT_N) |
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if (vp->fl & MT_N) /* assumes normalized! */ |
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cv.norm = encodedir(vp->n); |
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if (vp->fl & MT_UV) |
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for (i = 0; i < 2; i++) { |
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memcpy((void *)lvp->key, (void *)&cv, sizeof(MCVERT)); |
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} |
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if (lvp->data == NULL) { /* new vertex */ |
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register MESHPATCH *pp; |
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MESHPATCH *pp; |
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if (mp->npatches <= 0) { |
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mp->patch = (MESHPATCH *)calloc(MPATCHBLKSIZ, |
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sizeof(MESHPATCH)); |
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OBJECT |
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addmeshtri(mp, tv, mo) /* add a new mesh triangle */ |
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MESH *mp; |
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MESHVERT tv[3]; |
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OBJECT mo; |
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addmeshtri( /* add a new mesh triangle */ |
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MESH *mp, |
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MESHVERT tv[3], |
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OBJECT mo |
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) |
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{ |
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int32 vid[3], t; |
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int pn[3], i; |
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register MESHPATCH *pp; |
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MESHPATCH *pp; |
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|
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if (!(tv[0].fl & tv[1].fl & tv[2].fl & MT_V)) |
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return(OVOID); |
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pn[i] = vid[i] >> 8; |
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} |
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/* normalize material index */ |
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if (mo != OVOID) |
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if (mo != OVOID) { |
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if ((mo -= mp->mat0) >= mp->nmats) |
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mp->nmats = mo+1; |
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else if (mo < 0) |
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error(INTERNAL, "modifier range error in addmeshtri"); |
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} |
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/* assign triangle */ |
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if (pn[0] == pn[1] && pn[1] == pn[2]) { /* local case */ |
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pp = &mp->patch[pn[0]]; |
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char * |
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checkmesh(mp) /* validate mesh data */ |
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< |
register MESH *mp; |
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checkmesh(MESH *mp) /* validate mesh data */ |
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{ |
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static char embuf[128]; |
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int nouvbounds = 1; |
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< |
register int i; |
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> |
int i; |
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/* basic checks */ |
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if (mp == NULL) |
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return("NULL mesh pointer"); |
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if (mp->npatches <= 0) |
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error(WARNING, "no patches in mesh"); |
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for (i = 0; i < mp->npatches; i++) { |
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register MESHPATCH *pp = &mp->patch[i]; |
578 |
> |
MESHPATCH *pp = &mp->patch[i]; |
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if (pp->nverts <= 0) |
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error(WARNING, "no vertices in patch"); |
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else { |
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if (nouvbounds && pp->uv != NULL) |
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return("unreferenced uv coordinates"); |
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} |
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if (pp->ntris + pp->nj1tris + pp->nj2tris <= 0) |
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error(WARNING, "no triangles in patch"); |
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if (pp->ntris > 0 && pp->tri == NULL) |
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return("missing patch triangle list"); |
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if (pp->nj1tris > 0 && pp->j1tri == NULL) |
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static void |
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< |
tallyoctree(ot, ecp, lcp, ocp) /* tally octree size */ |
601 |
< |
OCTREE ot; |
602 |
< |
int *ecp, *lcp, *ocp; |
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> |
tallyoctree( /* tally octree size */ |
601 |
> |
OCTREE ot, |
602 |
> |
int *ecp, |
603 |
> |
int *lcp, |
604 |
> |
int *ocp |
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> |
) |
606 |
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{ |
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int i; |
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|
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|
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|
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void |
626 |
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printmeshstats(ms, fp) /* print out mesh statistics */ |
627 |
< |
MESH *ms; |
628 |
< |
FILE *fp; |
626 |
> |
printmeshstats( /* print out mesh statistics */ |
627 |
> |
MESH *ms, |
628 |
> |
FILE *fp |
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> |
) |
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{ |
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int lfcnt=0, lecnt=0, locnt=0; |
632 |
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int vcnt=0, ncnt=0, uvcnt=0; |
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tallyoctree(ms->mcube.cutree, &lecnt, &lfcnt, &locnt); |
638 |
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for (i = 0; i < ms->npatches; i++) { |
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< |
register MESHPATCH *pp = &ms->patch[i]; |
639 |
> |
MESHPATCH *pp = &ms->patch[i]; |
640 |
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vcnt += pp->nverts; |
641 |
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if (pp->norm != NULL) { |
642 |
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for (j = pp->nverts; j--; ) |
655 |
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t2cnt += pp->nj2tris; |
656 |
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} |
657 |
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fprintf(fp, "Mesh statistics:\n"); |
658 |
< |
fprintf(fp, "\t%ld materials\n", ms->nmats); |
658 |
> |
fprintf(fp, "\t%ld materials\n", (long)ms->nmats); |
659 |
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fprintf(fp, "\t%d patches (%.2f MBytes)\n", ms->npatches, |
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(ms->npatches*sizeof(MESHPATCH) + |
661 |
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vcnt*3*sizeof(uint32) + |
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680 |
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void |
681 |
< |
freemesh(ms) /* free mesh data */ |
638 |
< |
register MESH *ms; |
681 |
> |
freemesh(MESH *ms) /* free mesh data */ |
682 |
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{ |
683 |
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MESH mhead; |
684 |
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MESH *msp; |
706 |
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octfree(ms->mcube.cutree); |
707 |
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lu_done(&ms->lut); |
708 |
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if (ms->npatches > 0) { |
709 |
< |
register MESHPATCH *pp = ms->patch + ms->npatches; |
709 |
> |
MESHPATCH *pp = ms->patch + ms->npatches; |
710 |
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while (pp-- > ms->patch) { |
711 |
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if (pp->j2tri != NULL) |
712 |
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free((void *)pp->j2tri); |
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void |
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< |
freemeshinst(o) /* free mesh instance */ |
691 |
< |
OBJREC *o; |
733 |
> |
freemeshinst(OBJREC *o) /* free mesh instance */ |
734 |
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{ |
735 |
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if (o->os == NULL) |
736 |
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return; |