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initotypes.c
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Sun, May 12, 08:33

initotypes.c
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#ifndef lint
static const char RCSid[] = "$Id: initotypes.c,v 2.30 2021/02/01 16:19:49 greg Exp $";
#endif
/*
* Initialize ofun[] list for renderers
*/
#include "copyright.h"
#include "ray.h"
#include "otypes.h"
#include "rtotypes.h"
#include "otspecial.h"
FUN ofun[NUMOTYPE] = INIT_OTYPE;
void
initotypes(void) /* initialize ofun array */
{
ofun[OBJ_SPHERE].funp =
ofun[OBJ_BUBBLE].funp = o_sphere;
ofun[OBJ_FACE].funp = o_face;
ofun[OBJ_CONE].funp =
ofun[OBJ_CUP].funp =
ofun[OBJ_CYLINDER].funp =
ofun[OBJ_TUBE].funp =
ofun[OBJ_RING].funp = o_cone;
ofun[OBJ_INSTANCE].funp = o_instance;
ofun[OBJ_MESH].funp = o_mesh;
ofun[MOD_ALIAS].funp = m_alias;
ofun[MAT_LIGHT].funp =
ofun[MAT_ILLUM].funp =
ofun[MAT_GLOW].funp =
ofun[MAT_SPOT].funp = m_light;
ofun[MAT_LIGHT].flags |= T_OPAQUE;
ofun[MAT_SPOT].flags |= T_OPAQUE;
ofun[MAT_PLASTIC].funp =
ofun[MAT_METAL].funp =
ofun[MAT_TRANS].funp = m_normal;
ofun[MAT_PLASTIC].flags |= T_OPAQUE;
ofun[MAT_METAL].flags |= T_OPAQUE;
ofun[MAT_TRANS].flags |= T_TRANSP;
ofun[MAT_PLASTIC2].funp =
ofun[MAT_METAL2].funp =
ofun[MAT_TRANS2].funp = m_aniso;
ofun[MAT_PLASTIC2].flags |= T_OPAQUE;
ofun[MAT_METAL2].flags |= T_OPAQUE;
ofun[MAT_TRANS2].flags |= T_TRANSP;
ofun[MAT_ASHIKHMIN].funp = m_ashikhmin;
ofun[MAT_ASHIKHMIN].flags |= T_OPAQUE;
ofun[MAT_DIELECTRIC].funp =
ofun[MAT_INTERFACE].funp = m_dielectric;
ofun[MAT_DIELECTRIC].flags |= T_TRANSP;
ofun[MAT_INTERFACE].flags |= T_TRANSP;
ofun[MAT_MIST].funp = m_mist;
ofun[MAT_MIST].flags |= T_TRANSP;
ofun[MAT_GLASS].funp = m_glass;
ofun[MAT_GLASS].flags |= T_TRANSP;
ofun[MAT_MIRROR].funp = m_mirror;
ofun[MAT_DIRECT1].funp =
ofun[MAT_DIRECT2].funp = m_direct;
ofun[MAT_CLIP].funp = m_clip;
ofun[MAT_BRTDF].funp = m_brdf;
ofun[MAT_BSDF].funp =
ofun[MAT_ABSDF].funp = m_bsdf;
ofun[MAT_ABSDF].flags |= T_TRANSP;
ofun[MAT_PFUNC].funp =
ofun[MAT_MFUNC].funp =
ofun[MAT_PDATA].funp =
ofun[MAT_MDATA].funp =
ofun[MAT_TFUNC].funp =
ofun[MAT_TDATA].funp = m_brdf2;
ofun[MAT_PFUNC].flags |= T_OPAQUE;
ofun[MAT_MFUNC].flags |= T_OPAQUE;
ofun[MAT_TFUNC].flags |= T_OPAQUE;
ofun[MAT_PDATA].flags |= T_OPAQUE;
ofun[MAT_MDATA].flags |= T_OPAQUE;
ofun[MAT_TDATA].flags |= T_OPAQUE;
ofun[TEX_FUNC].funp = t_func;
ofun[TEX_DATA].funp = t_data;
ofun[PAT_CFUNC].funp = p_cfunc;
ofun[PAT_BFUNC].funp = p_bfunc;
ofun[PAT_CPICT].funp = p_pdata;
ofun[PAT_CDATA].funp = p_cdata;
ofun[PAT_BDATA].funp = p_bdata;
ofun[PAT_CTEXT].funp =
ofun[PAT_BTEXT].funp =
ofun[MIX_TEXT].funp = do_text;
ofun[MIX_FUNC].funp = mx_func;
ofun[MIX_DATA].funp = mx_data;
ofun[MIX_PICT].funp = mx_pdata;
}
int
o_default(OBJREC *o, RAY *r) /* default action is error */
{
objerror(o, CONSISTENCY, "unexpected object call");
/* unused call to load freeobjmem.o */
free_objs(0, 0);
return(0);
}
OBJREC *
findmaterial(OBJREC *o) /* find an object's actual material */
{
OBJECT obj = OVOID;
while (!ismaterial(o->otype)) {
if (o->otype == MOD_ALIAS && o->oargs.nsargs) {
OBJREC *ao = o;
if (obj == OVOID)
obj = objndx(o);
do {
if (!ao->oargs.nsargs)
obj = ao->omod;
else
obj = lastmod(obj, ao->oargs.sarg[0]);
if (obj == OVOID)
objerror(ao, USER, "bad reference");
ao = objptr(obj);
} while (ao->otype == MOD_ALIAS);
/* check if aliased to material */
if (ismaterial(ao->otype))
return(ao);
}
if (o->omod == OVOID) {
/* void mixture de facto material? */
if (ismixture(o->otype))
break;
return(NULL); /* else no material found */
}
obj = o->omod;
o = objptr(obj);
}
return(o);
}

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