5 |
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* Routines for reading a compiled mesh from a file |
6 |
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*/ |
7 |
|
|
8 |
+ |
#include <time.h> |
9 |
+ |
|
10 |
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#include "standard.h" |
11 |
+ |
#include "platform.h" |
12 |
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#include "octree.h" |
13 |
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#include "object.h" |
14 |
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#include "mesh.h" |
15 |
+ |
#include "resolu.h" |
16 |
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|
17 |
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static char *meshfn; /* input file name */ |
18 |
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static FILE *meshfp; /* mesh file pointer */ |
77 |
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register int i; |
78 |
|
|
79 |
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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)NULL; /* pro forma return */ |
96 |
|
} |
97 |
|
|
98 |
|
|
135 |
|
pp->nverts = mgetint(2); |
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 |
179 |
|
} |
180 |
|
} else |
181 |
|
pp->tri = NULL; |
182 |
+ |
/* local triangle material(s) */ |
183 |
+ |
if (mgetint(2) > 1) { |
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++) |
188 |
+ |
pp->trimat[i] = mgetint(2); |
189 |
+ |
} else { |
190 |
+ |
pp->solemat = mgetint(2); |
191 |
+ |
pp->trimat = NULL; |
192 |
+ |
} |
193 |
|
/* joiner triangles */ |
194 |
|
pp->nj1tris = mgetint(2); |
195 |
|
if (pp->nj1tris < 0 || pp->nj1tris > 512) |
203 |
|
pp->j1tri[i].v1j = mgetint(4); |
204 |
|
pp->j1tri[i].v2 = mgetint(1); |
205 |
|
pp->j1tri[i].v3 = mgetint(1); |
206 |
+ |
pp->j1tri[i].mat = mgetint(2); |
207 |
|
} |
208 |
|
} else |
209 |
|
pp->j1tri = NULL; |
220 |
|
pp->j2tri[i].v1j = mgetint(4); |
221 |
|
pp->j2tri[i].v2j = mgetint(4); |
222 |
|
pp->j2tri[i].v3 = mgetint(1); |
223 |
+ |
pp->j2tri[i].mat = mgetint(2); |
224 |
|
} |
225 |
|
} else |
226 |
|
pp->j2tri = NULL; |
236 |
|
char *path; |
237 |
|
int flags; |
238 |
|
{ |
239 |
+ |
char *err; |
240 |
|
char sbuf[64]; |
241 |
|
int i; |
242 |
|
/* check what's loaded */ |
249 |
|
sprintf(errmsg, "cannot open mesh file \"%s\"", path); |
250 |
|
error(SYSTEM, errmsg); |
251 |
|
} |
252 |
< |
#ifdef MSDOS |
234 |
< |
setmode(fileno(meshfp), O_BINARY); |
235 |
< |
#endif |
252 |
> |
SET_FILE_BINARY(meshfp); |
253 |
|
/* read header */ |
254 |
|
checkheader(meshfp, MESHFMT, flags&IO_INFO ? stdout : (FILE *)NULL); |
255 |
|
/* read format number */ |
276 |
|
mp->mcube.cutree = gettree(); |
277 |
|
else if (flags & IO_SCENE) |
278 |
|
skiptree(); |
279 |
< |
/* read the patches */ |
279 |
> |
/* read materials and patches */ |
280 |
|
if (flags & IO_SCENE) { |
281 |
+ |
mp->mat0 = nobjects; |
282 |
+ |
readscene(meshfp, objsize); |
283 |
+ |
mp->nmats = nobjects - mp->mat0; |
284 |
|
mp->npatches = mgetint(4); |
285 |
|
mp->patch = (MESHPATCH *)calloc(mp->npatches, |
286 |
|
sizeof(MESHPATCH)); |
292 |
|
/* clean up */ |
293 |
|
fclose(meshfp); |
294 |
|
mp->ldflags |= flags; |
295 |
+ |
/* verify data */ |
296 |
+ |
if ((err = checkmesh(mp)) != NULL) |
297 |
+ |
mesherror(USER, err); |
298 |
|
} |