| 5 |
|
* Routines for reading a compiled mesh from a file |
| 6 |
|
*/ |
| 7 |
|
|
| 8 |
+ |
#include <time.h> |
| 9 |
+ |
|
| 10 |
+ |
#include "platform.h" |
| 11 |
|
#include "standard.h" |
| 12 |
|
#include "octree.h" |
| 13 |
|
#include "object.h" |
| 14 |
|
#include "mesh.h" |
| 15 |
+ |
#include "resolu.h" |
| 16 |
|
|
| 17 |
|
static char *meshfn; /* input file name */ |
| 18 |
|
static FILE *meshfp; /* mesh file pointer */ |
| 35 |
|
mgetint(siz) /* get a siz-byte integer */ |
| 36 |
|
int siz; |
| 37 |
|
{ |
| 38 |
< |
register long r; |
| 38 |
> |
long r; |
| 39 |
|
|
| 40 |
|
r = getint(siz, meshfp); |
| 41 |
|
if (feof(meshfp)) |
| 60 |
|
getfullnode() /* get a set, return fullnode */ |
| 61 |
|
{ |
| 62 |
|
OBJECT set[MAXSET+1]; |
| 63 |
< |
register int i; |
| 63 |
> |
int i; |
| 64 |
|
|
| 65 |
|
if ((set[0] = mgetint(objsize)) > MAXSET) |
| 66 |
|
mesherror(USER, "bad set in getfullnode"); |
| 73 |
|
static OCTREE |
| 74 |
|
gettree() /* get a pre-ordered octree */ |
| 75 |
|
{ |
| 76 |
< |
register OCTREE ot; |
| 77 |
< |
register int i; |
| 76 |
> |
OCTREE ot; |
| 77 |
> |
int i; |
| 78 |
|
|
| 79 |
|
switch (getc(meshfp)) { |
| 80 |
< |
case OT_EMPTY: |
| 81 |
< |
return(EMPTY); |
| 82 |
< |
case OT_FULL: |
| 83 |
< |
return(getfullnode()); |
| 84 |
< |
case OT_TREE: |
| 85 |
< |
if ((ot = octalloc()) == EMPTY) |
| 86 |
< |
mesherror(SYSTEM, "out of tree space in readmesh"); |
| 87 |
< |
for (i = 0; i < 8; i++) |
| 88 |
< |
octkid(ot, i) = gettree(); |
| 89 |
< |
return(ot); |
| 90 |
< |
case EOF: |
| 91 |
< |
mesherror(USER, "truncated mesh octree"); |
| 92 |
< |
default: |
| 93 |
< |
mesherror(USER, "damaged mesh octree"); |
| 80 |
> |
case OT_EMPTY: |
| 81 |
> |
return(EMPTY); |
| 82 |
> |
case OT_FULL: |
| 83 |
> |
return(getfullnode()); |
| 84 |
> |
case OT_TREE: |
| 85 |
> |
if ((ot = octalloc()) == EMPTY) |
| 86 |
> |
mesherror(SYSTEM, "out of tree space in readmesh"); |
| 87 |
> |
for (i = 0; i < 8; i++) |
| 88 |
> |
octkid(ot, i) = gettree(); |
| 89 |
> |
return(ot); |
| 90 |
> |
case EOF: |
| 91 |
> |
mesherror(USER, "truncated mesh octree"); |
| 92 |
> |
default: |
| 93 |
> |
mesherror(USER, "damaged mesh octree"); |
| 94 |
|
} |
| 95 |
+ |
return (OCTREE)0; /* pro forma return */ |
| 96 |
|
} |
| 97 |
|
|
| 98 |
|
|
| 99 |
|
static void |
| 100 |
|
skiptree() /* skip octree on input */ |
| 101 |
|
{ |
| 102 |
< |
register int i; |
| 102 |
> |
int i; |
| 103 |
|
|
| 104 |
|
switch (getc(meshfp)) { |
| 105 |
|
case OT_EMPTY: |
| 123 |
|
|
| 124 |
|
static void |
| 125 |
|
getpatch(pp) /* load a mesh patch */ |
| 126 |
< |
register MESHPATCH *pp; |
| 126 |
> |
MESHPATCH *pp; |
| 127 |
|
{ |
| 128 |
|
int flags; |
| 129 |
|
int i, j; |
| 133 |
|
mesherror(USER, "bad patch flags"); |
| 134 |
|
/* allocate vertices */ |
| 135 |
|
pp->nverts = mgetint(2); |
| 136 |
< |
if (pp->nverts <= 0 || pp->nverts > 256) |
| 136 |
> |
if ((pp->nverts <= 0) | (pp->nverts > 256)) |
| 137 |
|
mesherror(USER, "bad number of patch vertices"); |
| 138 |
< |
pp->xyz = (uint4 (*)[3])malloc(pp->nverts*3*sizeof(uint4)); |
| 138 |
> |
pp->xyz = (uint32 (*)[3])malloc(pp->nverts*3*sizeof(uint32)); |
| 139 |
|
if (pp->xyz == NULL) |
| 140 |
|
goto nomem; |
| 141 |
|
if (flags & MT_N) { |
| 142 |
< |
pp->norm = (int4 *)calloc(pp->nverts, sizeof(int4)); |
| 142 |
> |
pp->norm = (int32 *)calloc(pp->nverts, sizeof(int32)); |
| 143 |
|
if (pp->norm == NULL) |
| 144 |
|
goto nomem; |
| 145 |
|
} else |
| 146 |
|
pp->norm = NULL; |
| 147 |
|
if (flags & MT_UV) { |
| 148 |
< |
pp->uv = (uint4 (*)[2])calloc(pp->nverts, 2*sizeof(uint4)); |
| 148 |
> |
pp->uv = (uint32 (*)[2])calloc(pp->nverts, 2*sizeof(uint32)); |
| 149 |
|
if (pp->uv == NULL) |
| 150 |
|
goto nomem; |
| 151 |
|
} else |
| 165 |
|
pp->uv[i][j] = mgetint(4); |
| 166 |
|
/* local triangles */ |
| 167 |
|
pp->ntris = mgetint(2); |
| 168 |
< |
if (pp->ntris < 0 || pp->ntris > 512) |
| 168 |
> |
if ((pp->ntris < 0) | (pp->ntris > 512)) |
| 169 |
|
mesherror(USER, "bad number of local triangles"); |
| 170 |
|
if (pp->ntris) { |
| 171 |
|
pp->tri = (struct PTri *)malloc(pp->ntris * |
| 181 |
|
pp->tri = NULL; |
| 182 |
|
/* local triangle material(s) */ |
| 183 |
|
if (mgetint(2) > 1) { |
| 184 |
< |
pp->trimat = (int2 *)malloc(pp->ntris*sizeof(int2)); |
| 184 |
> |
pp->trimat = (int16 *)malloc(pp->ntris*sizeof(int16)); |
| 185 |
|
if (pp->trimat == NULL) |
| 186 |
|
goto nomem; |
| 187 |
|
for (i = 0; i < pp->ntris; i++) |
| 192 |
|
} |
| 193 |
|
/* joiner triangles */ |
| 194 |
|
pp->nj1tris = mgetint(2); |
| 195 |
< |
if (pp->nj1tris < 0 || pp->nj1tris > 512) |
| 195 |
> |
if ((pp->nj1tris < 0) | (pp->nj1tris > 256)) |
| 196 |
|
mesherror(USER, "bad number of joiner triangles"); |
| 197 |
|
if (pp->nj1tris) { |
| 198 |
|
pp->j1tri = (struct PJoin1 *)malloc(pp->nj1tris * |
| 209 |
|
pp->j1tri = NULL; |
| 210 |
|
/* double joiner triangles */ |
| 211 |
|
pp->nj2tris = mgetint(2); |
| 212 |
< |
if (pp->nj2tris < 0 || pp->nj2tris > 256) |
| 212 |
> |
if ((pp->nj2tris < 0) | (pp->nj2tris > 256)) |
| 213 |
|
mesherror(USER, "bad number of double joiner triangles"); |
| 214 |
|
if (pp->nj2tris) { |
| 215 |
|
pp->j2tri = (struct PJoin2 *)malloc(pp->nj2tris * |
| 254 |
|
checkheader(meshfp, MESHFMT, flags&IO_INFO ? stdout : (FILE *)NULL); |
| 255 |
|
/* read format number */ |
| 256 |
|
objsize = getint(2, meshfp) - MESHMAGIC; |
| 257 |
< |
if (objsize <= 0 || objsize > MAXOBJSIZ || objsize > sizeof(long)) |
| 257 |
> |
if ((objsize <= 0) | (objsize > MAXOBJSIZ) | (objsize > sizeof(long))) |
| 258 |
|
mesherror(USER, "incompatible mesh format"); |
| 259 |
|
/* read boundaries */ |
| 260 |
|
if (flags & IO_BOUNDS) { |
| 290 |
|
getpatch(&mp->patch[i]); |
| 291 |
|
} |
| 292 |
|
/* clean up */ |
| 293 |
< |
fclose(meshfp); |
| 293 |
> |
if (meshfp != stdin) |
| 294 |
> |
fclose(meshfp); |
| 295 |
|
mp->ldflags |= flags; |
| 296 |
|
/* verify data */ |
| 297 |
|
if ((err = checkmesh(mp)) != NULL) |