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/* Copyright (c) 1994 Regents of the University of California */ |
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/* Copyright (c) 1995 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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28 |
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int (*mg_ehand[MG_NENTITIES])(); |
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|
30 |
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/* Handler routine for unknown entities */ |
31 |
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|
32 |
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int (*mg_uhand)() = mg_defuhand; |
33 |
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|
34 |
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unsigned mg_nunknown; /* count of unknown entities */ |
35 |
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|
36 |
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/* error messages */ |
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|
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char *mg_err[MG_NERRS] = MG_ERRLIST; |
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e_ies(), /* IES luminaire file */ |
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e_include(), /* include file */ |
67 |
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e_sph(), /* sphere */ |
68 |
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e_cct(), /* color temperature */ |
69 |
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e_cmix(), /* color mixtures */ |
70 |
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e_cspec(), /* color spectra */ |
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e_cyl(), /* cylinder */ |
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e_cone(), /* cone */ |
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e_prism(), /* prism */ |
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e_ring(), /* ring */ |
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e_torus(); /* torus */ |
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|
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mg_ehand[MG_E_INCLUDE] = e_include; |
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if (mg_ehand[MG_E_SPH] == NULL) { |
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mg_ehand[MG_E_SPH] = e_sph; |
98 |
< |
ineed |= 1<<MG_E_POINT|1<<MG_E_VERTEX; |
98 |
> |
ineed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX; |
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} else |
100 |
< |
uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
100 |
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uneed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
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if (mg_ehand[MG_E_CYL] == NULL) { |
102 |
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mg_ehand[MG_E_CYL] = e_cyl; |
103 |
< |
ineed |= 1<<MG_E_POINT|1<<MG_E_VERTEX; |
103 |
> |
ineed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX; |
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} else |
105 |
< |
uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
105 |
> |
uneed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
106 |
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if (mg_ehand[MG_E_CONE] == NULL) { |
107 |
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mg_ehand[MG_E_CONE] = e_cone; |
108 |
< |
ineed |= 1<<MG_E_POINT|1<<MG_E_VERTEX; |
108 |
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ineed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX; |
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} else |
110 |
< |
uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
110 |
> |
uneed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
111 |
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if (mg_ehand[MG_E_RING] == NULL) { |
112 |
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mg_ehand[MG_E_RING] = e_ring; |
113 |
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ineed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX; |
113 |
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ineed |= 1L<<MG_E_POINT|1L<<MG_E_NORMAL|1L<<MG_E_VERTEX; |
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} else |
115 |
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uneed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX|1<<MG_E_XF; |
115 |
> |
uneed |= 1L<<MG_E_POINT|1L<<MG_E_NORMAL|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
116 |
> |
if (mg_ehand[MG_E_PRISM] == NULL) { |
117 |
> |
mg_ehand[MG_E_PRISM] = e_prism; |
118 |
> |
ineed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX; |
119 |
> |
} else |
120 |
> |
uneed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
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if (mg_ehand[MG_E_TORUS] == NULL) { |
122 |
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mg_ehand[MG_E_TORUS] = e_torus; |
123 |
< |
ineed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX; |
123 |
> |
ineed |= 1L<<MG_E_POINT|1L<<MG_E_NORMAL|1L<<MG_E_VERTEX; |
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} else |
125 |
< |
uneed |= 1<<MG_E_POINT|1<<MG_E_NORMAL|1<<MG_E_VERTEX|1<<MG_E_XF; |
125 |
> |
uneed |= 1L<<MG_E_POINT|1L<<MG_E_NORMAL|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
126 |
> |
if (mg_ehand[MG_E_COLOR] != NULL) { |
127 |
> |
if (mg_ehand[MG_E_CMIX] == NULL) { |
128 |
> |
mg_ehand[MG_E_CMIX] = e_cmix; |
129 |
> |
ineed |= 1L<<MG_E_COLOR|1L<<MG_E_CXY|1L<<MG_E_CSPEC|1L<<MG_E_CMIX|1L<<MG_E_CCT; |
130 |
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} |
131 |
> |
if (mg_ehand[MG_E_CSPEC] == NULL) { |
132 |
> |
mg_ehand[MG_E_CSPEC] = e_cspec; |
133 |
> |
ineed |= 1L<<MG_E_COLOR|1L<<MG_E_CXY|1L<<MG_E_CSPEC|1L<<MG_E_CMIX|1L<<MG_E_CCT; |
134 |
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} |
135 |
> |
if (mg_ehand[MG_E_CCT] == NULL) { |
136 |
> |
mg_ehand[MG_E_CCT] = e_cct; |
137 |
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ineed |= 1L<<MG_E_COLOR|1L<<MG_E_CXY|1L<<MG_E_CSPEC|1L<<MG_E_CMIX|1L<<MG_E_CCT; |
138 |
> |
} |
139 |
> |
} |
140 |
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/* check for consistency */ |
141 |
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if (mg_ehand[MG_E_FACE] != NULL) |
142 |
< |
uneed |= 1<<MG_E_POINT|1<<MG_E_VERTEX|1<<MG_E_XF; |
143 |
< |
if (mg_ehand[MG_E_CXY] != NULL) |
144 |
< |
uneed |= 1<<MG_E_COLOR; |
142 |
> |
uneed |= 1L<<MG_E_POINT|1L<<MG_E_VERTEX|1L<<MG_E_XF; |
143 |
> |
if (mg_ehand[MG_E_CXY] != NULL || mg_ehand[MG_E_CSPEC] != NULL || |
144 |
> |
mg_ehand[MG_E_CMIX] != NULL) |
145 |
> |
uneed |= 1L<<MG_E_COLOR; |
146 |
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if (mg_ehand[MG_E_RD] != NULL || mg_ehand[MG_E_TD] != NULL || |
147 |
+ |
mg_ehand[MG_E_IR] != NULL || |
148 |
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mg_ehand[MG_E_ED] != NULL || |
149 |
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mg_ehand[MG_E_RS] != NULL || |
150 |
< |
mg_ehand[MG_E_TS] != NULL) |
151 |
< |
uneed |= 1<<MG_E_MATERIAL; |
150 |
> |
mg_ehand[MG_E_TS] != NULL || |
151 |
> |
mg_ehand[MG_E_SIDES] != NULL) |
152 |
> |
uneed |= 1L<<MG_E_MATERIAL; |
153 |
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for (i = 0; i < MG_NENTITIES; i++) |
154 |
< |
if (uneed & 1<<i && mg_ehand[i] == NULL) { |
154 |
> |
if (uneed & 1L<<i && mg_ehand[i] == NULL) { |
155 |
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fprintf(stderr, "Missing support for \"%s\" entity\n", |
156 |
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mg_ename[i]); |
157 |
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exit(1); |
158 |
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} |
159 |
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/* add support as needed */ |
160 |
< |
if (ineed & 1<<MG_E_VERTEX && mg_ehand[MG_E_VERTEX] != c_hvertex) |
160 |
> |
if (ineed & 1L<<MG_E_VERTEX && mg_ehand[MG_E_VERTEX] != c_hvertex) |
161 |
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e_supp[MG_E_VERTEX] = c_hvertex; |
162 |
< |
if (ineed & 1<<MG_E_POINT && mg_ehand[MG_E_POINT] != c_hvertex) |
162 |
> |
if (ineed & 1L<<MG_E_POINT && mg_ehand[MG_E_POINT] != c_hvertex) |
163 |
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e_supp[MG_E_POINT] = c_hvertex; |
164 |
< |
if (ineed & 1<<MG_E_NORMAL && mg_ehand[MG_E_NORMAL] != c_hvertex) |
164 |
> |
if (ineed & 1L<<MG_E_NORMAL && mg_ehand[MG_E_NORMAL] != c_hvertex) |
165 |
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e_supp[MG_E_NORMAL] = c_hvertex; |
166 |
+ |
if (ineed & 1L<<MG_E_COLOR && mg_ehand[MG_E_COLOR] != c_hcolor) |
167 |
+ |
e_supp[MG_E_COLOR] = c_hcolor; |
168 |
+ |
if (ineed & 1L<<MG_E_CXY && mg_ehand[MG_E_CXY] != c_hcolor) |
169 |
+ |
e_supp[MG_E_CXY] = c_hcolor; |
170 |
+ |
if (ineed & 1L<<MG_E_CSPEC && mg_ehand[MG_E_CSPEC] != c_hcolor) |
171 |
+ |
e_supp[MG_E_CSPEC] = c_hcolor; |
172 |
+ |
if (ineed & 1L<<MG_E_CMIX && mg_ehand[MG_E_CMIX] != c_hcolor) |
173 |
+ |
e_supp[MG_E_CMIX] = c_hcolor; |
174 |
+ |
if (ineed & 1L<<MG_E_CCT && mg_ehand[MG_E_CCT] != c_hcolor) |
175 |
+ |
e_supp[MG_E_CCT] = c_hcolor; |
176 |
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/* discard remaining entities */ |
177 |
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for (i = 0; i < MG_NENTITIES; i++) |
178 |
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if (mg_ehand[i] == NULL) |
180 |
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} |
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182 |
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141 |
– |
|
183 |
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int |
184 |
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mg_entity(name) /* get entity number from its name */ |
185 |
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char *name; |
186 |
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{ |
187 |
< |
static LUTAB ent_tab; /* entity lookup table */ |
187 |
> |
static LUTAB ent_tab = LU_SINIT(NULL,NULL); /* lookup table */ |
188 |
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register char *cp; |
189 |
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|
190 |
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if (!ent_tab.tsiz) { /* initialize hash table */ |
201 |
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} |
202 |
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203 |
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204 |
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static int |
205 |
< |
handle_it(en, ac, av) /* pass entity to appropriate handler */ |
204 |
> |
int |
205 |
> |
mg_handle(en, ac, av) /* pass entity to appropriate handler */ |
206 |
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register int en; |
207 |
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int ac; |
208 |
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char **av; |
209 |
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{ |
210 |
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int rv; |
211 |
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212 |
< |
if (en < 0 && (en = mg_entity(av[0])) < 0) |
212 |
> |
if (en < 0 && (en = mg_entity(av[0])) < 0) { /* unknown entity */ |
213 |
> |
if (mg_uhand != NULL) |
214 |
> |
return((*mg_uhand)(ac, av)); |
215 |
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return(MG_EUNK); |
216 |
< |
if (e_supp[en] != NULL) { |
216 |
> |
} |
217 |
> |
if (e_supp[en] != NULL) { /* support handler */ |
218 |
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if ((rv = (*e_supp[en])(ac, av)) != MG_OK) |
219 |
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return(rv); |
220 |
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} |
221 |
< |
return((*mg_ehand[en])(ac, av)); |
221 |
> |
return((*mg_ehand[en])(ac, av)); /* assigned handler */ |
222 |
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} |
223 |
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|
224 |
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227 |
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register MG_FCTXT *ctx; |
228 |
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char *fn; |
229 |
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{ |
230 |
< |
int olen; |
230 |
> |
static int nfids; |
231 |
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register char *cp; |
232 |
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|
233 |
+ |
ctx->fid = ++nfids; |
234 |
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ctx->lineno = 0; |
235 |
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if (fn == NULL) { |
236 |
< |
ctx->fname = "<stdin>"; |
236 |
> |
strcpy(ctx->fname, "<stdin>"); |
237 |
|
ctx->fp = stdin; |
238 |
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ctx->prev = mg_file; |
239 |
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mg_file = ctx; |
240 |
|
return(MG_OK); |
241 |
|
} |
242 |
|
/* get name relative to this context */ |
243 |
< |
if (mg_file != NULL && |
199 |
< |
(cp = strrchr(mg_file->fname, '/')) != NULL) |
200 |
< |
olen = cp - mg_file->fname + 1; |
201 |
< |
else |
202 |
< |
olen = 0; |
203 |
< |
ctx->fname = (char *)malloc(olen+strlen(fn)+1); |
204 |
< |
if (ctx->fname == NULL) |
205 |
< |
return(MG_EMEM); |
206 |
< |
if (olen) |
243 |
> |
if (mg_file != NULL && (cp = strrchr(mg_file->fname, '/')) != NULL) { |
244 |
|
strcpy(ctx->fname, mg_file->fname); |
245 |
< |
strcpy(ctx->fname+olen, fn); |
245 |
> |
strcpy(ctx->fname+(cp-mg_file->fname+1), fn); |
246 |
> |
} else |
247 |
> |
strcpy(ctx->fname, fn); |
248 |
|
ctx->fp = fopen(ctx->fname, "r"); |
249 |
< |
if (ctx->fp == NULL) { |
211 |
< |
free((MEM_PTR)ctx->fname); |
249 |
> |
if (ctx->fp == NULL) |
250 |
|
return(MG_ENOFILE); |
213 |
– |
} |
251 |
|
ctx->prev = mg_file; /* establish new context */ |
252 |
|
mg_file = ctx; |
253 |
|
return(MG_OK); |
263 |
|
if (ctx->fp == stdin) |
264 |
|
return; /* don't close standard input */ |
265 |
|
fclose(ctx->fp); |
229 |
– |
free((MEM_PTR)ctx->fname); |
266 |
|
} |
267 |
|
|
268 |
|
|
269 |
+ |
void |
270 |
+ |
mg_fgetpos(pos) /* get current position in input file */ |
271 |
+ |
register MG_FPOS *pos; |
272 |
+ |
{ |
273 |
+ |
extern long ftell(); |
274 |
+ |
|
275 |
+ |
pos->fid = mg_file->fid; |
276 |
+ |
pos->lineno = mg_file->lineno; |
277 |
+ |
pos->offset = ftell(mg_file->fp); |
278 |
+ |
} |
279 |
+ |
|
280 |
+ |
|
281 |
|
int |
282 |
< |
mg_rewind() /* rewind input file */ |
282 |
> |
mg_fgoto(pos) /* reposition input file pointer */ |
283 |
> |
register MG_FPOS *pos; |
284 |
|
{ |
285 |
< |
if (mg_file->lineno == 0) |
285 |
> |
if (pos->fid != mg_file->fid) |
286 |
> |
return(MG_ESEEK); |
287 |
> |
if (pos->lineno == mg_file->lineno) |
288 |
|
return(MG_OK); |
289 |
|
if (mg_file->fp == stdin) |
290 |
|
return(MG_ESEEK); /* cannot seek on standard input */ |
291 |
< |
if (fseek(mg_file->fp, 0L, 0) == EOF) |
291 |
> |
if (fseek(mg_file->fp, pos->offset, 0) == EOF) |
292 |
|
return(MG_ESEEK); |
293 |
< |
mg_file->lineno = 0; |
293 |
> |
mg_file->lineno = pos->lineno; |
294 |
|
return(MG_OK); |
295 |
|
} |
296 |
|
|
339 |
|
return(MG_OK); /* no words in line */ |
340 |
|
*ap = NULL; |
341 |
|
/* else handle it */ |
342 |
< |
return(handle_it(-1, ap-argv, argv)); |
342 |
> |
return(mg_handle(-1, ap-argv, argv)); |
343 |
|
} |
344 |
|
|
345 |
|
|
349 |
|
{ |
350 |
|
MG_FCTXT cntxt; |
351 |
|
int rval; |
352 |
+ |
register int nbr; |
353 |
|
|
354 |
|
if ((rval = mg_open(&cntxt, fn)) != MG_OK) { |
355 |
|
fprintf(stderr, "%s: %s\n", fn, mg_err[rval]); |
356 |
|
return(rval); |
357 |
|
} |
358 |
< |
while (mg_read()) /* parse each line */ |
358 |
> |
while ((nbr = mg_read()) > 0) { /* parse each line */ |
359 |
> |
if (nbr >= MG_MAXLINE-1 && cntxt.inpline[nbr-1] != '\n') { |
360 |
> |
fprintf(stderr, "%s: %d: %s\n", cntxt.fname, |
361 |
> |
cntxt.lineno, mg_err[rval=MG_ELINE]); |
362 |
> |
break; |
363 |
> |
} |
364 |
|
if ((rval = mg_parse()) != MG_OK) { |
365 |
|
fprintf(stderr, "%s: %d: %s:\n%s", cntxt.fname, |
366 |
|
cntxt.lineno, mg_err[rval], |
367 |
|
cntxt.inpline); |
368 |
|
break; |
369 |
|
} |
370 |
+ |
} |
371 |
|
mg_close(); |
372 |
|
return(rval); |
373 |
|
} |
374 |
|
|
375 |
|
|
376 |
+ |
int |
377 |
+ |
mg_defuhand(ac, av) /* default handler for unknown entities */ |
378 |
+ |
int ac; |
379 |
+ |
char **av; |
380 |
+ |
{ |
381 |
+ |
if (mg_nunknown++ == 0) /* report first incident */ |
382 |
+ |
fprintf(stderr, "%s: %d: %s: %s\n", mg_file->fname, |
383 |
+ |
mg_file->lineno, mg_err[MG_EUNK], av[0]); |
384 |
+ |
return(MG_OK); |
385 |
+ |
} |
386 |
+ |
|
387 |
+ |
|
388 |
|
void |
389 |
|
mg_clear() /* clear parser history */ |
390 |
|
{ |
393 |
|
} |
394 |
|
|
395 |
|
|
326 |
– |
int |
327 |
– |
mg_iterate(ac, av, f) /* iterate on statement */ |
328 |
– |
int ac; |
329 |
– |
register char **av; |
330 |
– |
int (*f)(); |
331 |
– |
{ |
332 |
– |
int niter, rval; |
333 |
– |
register int i, j; |
334 |
– |
char *argv[MG_MAXARGC]; |
335 |
– |
char cntbuf[10]; |
336 |
– |
/* build partial transformation */ |
337 |
– |
for (i = 0; i < ac; i++) { |
338 |
– |
if (av[i][0] == '-' && av[i][1] == 'a' && av[i][2] == '\0') |
339 |
– |
break; |
340 |
– |
argv[i+1] = av[i]; |
341 |
– |
} |
342 |
– |
argv[i+1] = NULL; |
343 |
– |
if (i) { /* handle transformation */ |
344 |
– |
argv[0] = mg_ename[MG_E_XF]; |
345 |
– |
if ((rval = handle_it(MG_E_XF, i+1, argv)) != MG_OK) |
346 |
– |
return(rval); |
347 |
– |
} |
348 |
– |
if (i < ac) { /* run array */ |
349 |
– |
if (i+1 >= ac || !isint(av[i+1])) |
350 |
– |
return(MG_ETYPE); |
351 |
– |
niter = atoi(av[i+1]); |
352 |
– |
argv[0] = mg_ename[MG_E_OBJECT]; |
353 |
– |
argv[1] = cntbuf; |
354 |
– |
for (j = 2; j+i < ac; j++) |
355 |
– |
argv[j] = av[j+i]; |
356 |
– |
argv[j] = NULL; |
357 |
– |
for (j = 0; j < niter; j++) { |
358 |
– |
sprintf(cntbuf, "%d", j); |
359 |
– |
if ((rval = handle_it(MG_E_OBJECT, 2, argv)) != MG_OK) |
360 |
– |
return(rval); |
361 |
– |
argv[0] = "-i"; |
362 |
– |
if ((rval = mg_iterate(ac-i, argv, f)) != MG_OK) |
363 |
– |
return(rval); |
364 |
– |
argv[0] = mg_ename[MG_E_OBJECT]; |
365 |
– |
if ((rval = handle_it(MG_E_OBJECT, 1, argv)) != MG_OK) |
366 |
– |
return(rval); |
367 |
– |
} |
368 |
– |
} else if ((rval = (*f)()) != MG_OK) /* else do this instance */ |
369 |
– |
return(rval); |
370 |
– |
if (i) { /* reset the transform */ |
371 |
– |
argv[0] = mg_ename[MG_E_XF]; |
372 |
– |
argv[1] = NULL; |
373 |
– |
(void)handle_it(MG_E_XF, 1, argv); |
374 |
– |
} |
375 |
– |
return(MG_OK); |
376 |
– |
} |
377 |
– |
|
378 |
– |
|
396 |
|
/**************************************************************************** |
397 |
|
* The following routines handle unsupported entities |
398 |
|
*/ |
408 |
|
|
409 |
|
|
410 |
|
static int |
394 |
– |
reload_file() /* reload current MGF file */ |
395 |
– |
{ |
396 |
– |
register int rval; |
397 |
– |
|
398 |
– |
if ((rval = mg_rewind()) != MG_OK) |
399 |
– |
return(rval); |
400 |
– |
while (mg_read()) |
401 |
– |
if ((rval = mg_parse()) != MG_OK) |
402 |
– |
return(rval); |
403 |
– |
return(MG_OK); |
404 |
– |
} |
405 |
– |
|
406 |
– |
|
407 |
– |
static int |
411 |
|
e_include(ac, av) /* include file */ |
412 |
|
int ac; |
413 |
|
char **av; |
414 |
|
{ |
415 |
+ |
char *xfarg[MG_MAXARGC]; |
416 |
|
MG_FCTXT ictx; |
417 |
< |
int rv; |
417 |
> |
XF_SPEC *xf_orig = xf_context; |
418 |
> |
register int rv; |
419 |
|
|
420 |
|
if (ac < 2) |
421 |
|
return(MG_EARGC); |
422 |
|
if ((rv = mg_open(&ictx, av[1])) != MG_OK) |
423 |
|
return(rv); |
424 |
< |
if ((rv = mg_iterate(ac-2, av+2, reload_file)) != MG_OK) { |
425 |
< |
fprintf(stderr, "%s: %d: %s:\n%s", ictx.fname, |
426 |
< |
ictx.lineno, mg_err[rv], ictx.inpline); |
427 |
< |
mg_close(); |
428 |
< |
return(MG_EINCL); |
424 |
> |
if (ac > 2) { |
425 |
> |
register int i; |
426 |
> |
|
427 |
> |
xfarg[0] = mg_ename[MG_E_XF]; |
428 |
> |
for (i = 1; i < ac-1; i++) |
429 |
> |
xfarg[i] = av[i+1]; |
430 |
> |
xfarg[ac-1] = NULL; |
431 |
> |
if ((rv = mg_handle(MG_E_XF, ac-1, xfarg)) != MG_OK) { |
432 |
> |
mg_close(); |
433 |
> |
return(rv); |
434 |
> |
} |
435 |
|
} |
436 |
+ |
do { |
437 |
+ |
while ((rv = mg_read()) > 0) { |
438 |
+ |
if (rv >= MG_MAXLINE-1 && ictx.inpline[rv-1] != '\n') { |
439 |
+ |
fprintf(stderr, "%s: %d: %s\n", ictx.fname, |
440 |
+ |
ictx.lineno, mg_err[MG_ELINE]); |
441 |
+ |
mg_close(); |
442 |
+ |
return(MG_EINCL); |
443 |
+ |
} |
444 |
+ |
if ((rv = mg_parse()) != MG_OK) { |
445 |
+ |
fprintf(stderr, "%s: %d: %s:\n%s", ictx.fname, |
446 |
+ |
ictx.lineno, mg_err[rv], |
447 |
+ |
ictx.inpline); |
448 |
+ |
mg_close(); |
449 |
+ |
return(MG_EINCL); |
450 |
+ |
} |
451 |
+ |
} |
452 |
+ |
if (ac > 2) |
453 |
+ |
if ((rv = mg_handle(MG_E_XF, 1, xfarg)) != MG_OK) { |
454 |
+ |
mg_close(); |
455 |
+ |
return(rv); |
456 |
+ |
} |
457 |
+ |
} while (xf_context != xf_orig); |
458 |
|
mg_close(); |
459 |
|
return(MG_OK); |
460 |
|
} |
502 |
|
rad = atof(av[2]); |
503 |
|
/* initialize */ |
504 |
|
warpconends = 1; |
505 |
< |
if ((rval = handle_it(MG_E_VERTEX, 3, v2ent)) != MG_OK) |
505 |
> |
if ((rval = mg_handle(MG_E_VERTEX, 3, v2ent)) != MG_OK) |
506 |
|
return(rval); |
507 |
|
sprintf(p2x, FLTFMT, cv->p[0]); |
508 |
|
sprintf(p2y, FLTFMT, cv->p[1]); |
509 |
|
sprintf(p2z, FLTFMT, cv->p[2]+rad); |
510 |
< |
if ((rval = handle_it(MG_E_POINT, 4, p2ent)) != MG_OK) |
510 |
> |
if ((rval = mg_handle(MG_E_POINT, 4, p2ent)) != MG_OK) |
511 |
|
return(rval); |
512 |
|
r2[0] = '0'; r2[1] = '\0'; |
513 |
|
for (i = 1; i <= 2*mg_nqcdivs; i++) { |
514 |
|
theta = i*(PI/2)/mg_nqcdivs; |
515 |
< |
if ((rval = handle_it(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
515 |
> |
if ((rval = mg_handle(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
516 |
|
return(rval); |
517 |
|
sprintf(p2z, FLTFMT, cv->p[2]+rad*cos(theta)); |
518 |
< |
if ((rval = handle_it(MG_E_VERTEX, 2, v2ent)) != MG_OK) |
518 |
> |
if ((rval = mg_handle(MG_E_VERTEX, 2, v2ent)) != MG_OK) |
519 |
|
return(rval); |
520 |
< |
if ((rval = handle_it(MG_E_POINT, 4, p2ent)) != MG_OK) |
520 |
> |
if ((rval = mg_handle(MG_E_POINT, 4, p2ent)) != MG_OK) |
521 |
|
return(rval); |
522 |
|
strcpy(r1, r2); |
523 |
|
sprintf(r2, FLTFMT, rad*sin(theta)); |
524 |
< |
if ((rval = handle_it(MG_E_CONE, 5, conent)) != MG_OK) |
524 |
> |
if ((rval = mg_handle(MG_E_CONE, 5, conent)) != MG_OK) |
525 |
|
return(rval); |
526 |
|
} |
527 |
|
warpconends = 0; |
576 |
|
for (j = 0; j < 3; j++) |
577 |
|
sprintf(p2[j], FLTFMT, cv->p[j] + |
578 |
|
.5*sgn*(maxrad-minrad)*cv->n[j]); |
579 |
< |
if ((rval = handle_it(MG_E_VERTEX, 4, v2ent)) != MG_OK) |
579 |
> |
if ((rval = mg_handle(MG_E_VERTEX, 4, v2ent)) != MG_OK) |
580 |
|
return(rval); |
581 |
< |
if ((rval = handle_it(MG_E_POINT, 4, p2ent)) != MG_OK) |
581 |
> |
if ((rval = mg_handle(MG_E_POINT, 4, p2ent)) != MG_OK) |
582 |
|
return(rval); |
583 |
|
sprintf(r2, FLTFMT, avgrad=.5*(minrad+maxrad)); |
584 |
|
/* run outer section */ |
585 |
|
for (i = 1; i <= 2*mg_nqcdivs; i++) { |
586 |
|
theta = i*(PI/2)/mg_nqcdivs; |
587 |
< |
if ((rval = handle_it(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
587 |
> |
if ((rval = mg_handle(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
588 |
|
return(rval); |
589 |
|
for (j = 0; j < 3; j++) |
590 |
|
sprintf(p2[j], FLTFMT, cv->p[j] + |
591 |
|
.5*sgn*(maxrad-minrad)*cos(theta)*cv->n[j]); |
592 |
< |
if ((rval = handle_it(MG_E_VERTEX, 2, v2ent)) != MG_OK) |
592 |
> |
if ((rval = mg_handle(MG_E_VERTEX, 2, v2ent)) != MG_OK) |
593 |
|
return(rval); |
594 |
< |
if ((rval = handle_it(MG_E_POINT, 4, p2ent)) != MG_OK) |
594 |
> |
if ((rval = mg_handle(MG_E_POINT, 4, p2ent)) != MG_OK) |
595 |
|
return(rval); |
596 |
|
strcpy(r1, r2); |
597 |
|
sprintf(r2, FLTFMT, avgrad + .5*(maxrad-minrad)*sin(theta)); |
598 |
< |
if ((rval = handle_it(MG_E_CONE, 5, conent)) != MG_OK) |
598 |
> |
if ((rval = mg_handle(MG_E_CONE, 5, conent)) != MG_OK) |
599 |
|
return(rval); |
600 |
|
} |
601 |
|
/* run inner section */ |
605 |
|
for (j = 0; j < 3; j++) |
606 |
|
sprintf(p2[j], FLTFMT, cv->p[j] + |
607 |
|
.5*sgn*(maxrad-minrad)*cos(theta)*cv->n[j]); |
608 |
< |
if ((rval = handle_it(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
608 |
> |
if ((rval = mg_handle(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
609 |
|
return(rval); |
610 |
< |
if ((rval = handle_it(MG_E_VERTEX, 2, v2ent)) != MG_OK) |
610 |
> |
if ((rval = mg_handle(MG_E_VERTEX, 2, v2ent)) != MG_OK) |
611 |
|
return(rval); |
612 |
< |
if ((rval = handle_it(MG_E_POINT, 4, p2ent)) != MG_OK) |
612 |
> |
if ((rval = mg_handle(MG_E_POINT, 4, p2ent)) != MG_OK) |
613 |
|
return(rval); |
614 |
|
strcpy(r1, r2); |
615 |
|
sprintf(r2, FLTFMT, -avgrad - .5*(maxrad-minrad)*sin(theta)); |
616 |
< |
if ((rval = handle_it(MG_E_CONE, 5, conent)) != MG_OK) |
616 |
> |
if ((rval = mg_handle(MG_E_CONE, 5, conent)) != MG_OK) |
617 |
|
return(rval); |
618 |
|
} |
619 |
|
warpconends = 0; |
634 |
|
avnew[2] = av[2]; |
635 |
|
avnew[3] = av[3]; |
636 |
|
avnew[4] = av[2]; |
637 |
< |
return(handle_it(MG_E_CONE, 5, avnew)); |
637 |
> |
return(mg_handle(MG_E_CONE, 5, avnew)); |
638 |
|
} |
639 |
|
|
640 |
|
|
676 |
|
make_axes(u, v, cv->n); |
677 |
|
for (j = 0; j < 3; j++) |
678 |
|
sprintf(p3[j], FLTFMT, cv->p[j] + maxrad*u[j]); |
679 |
< |
if ((rv = handle_it(MG_E_VERTEX, 3, v3ent)) != MG_OK) |
679 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 3, v3ent)) != MG_OK) |
680 |
|
return(rv); |
681 |
< |
if ((rv = handle_it(MG_E_POINT, 4, p3ent)) != MG_OK) |
681 |
> |
if ((rv = mg_handle(MG_E_POINT, 4, p3ent)) != MG_OK) |
682 |
|
return(rv); |
683 |
|
if (minrad == 0.) { /* closed */ |
684 |
|
v1ent[3] = av[1]; |
685 |
< |
if ((rv = handle_it(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
685 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
686 |
|
return(rv); |
687 |
< |
if ((rv = handle_it(MG_E_NORMAL, 4, nzent)) != MG_OK) |
687 |
> |
if ((rv = mg_handle(MG_E_NORMAL, 4, nzent)) != MG_OK) |
688 |
|
return(rv); |
689 |
|
for (i = 1; i <= 4*mg_nqcdivs; i++) { |
690 |
|
theta = i*(PI/2)/mg_nqcdivs; |
691 |
< |
if ((rv = handle_it(MG_E_VERTEX, 4, v2ent)) != MG_OK) |
691 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 4, v2ent)) != MG_OK) |
692 |
|
return(rv); |
693 |
|
for (j = 0; j < 3; j++) |
694 |
|
sprintf(p3[j], FLTFMT, cv->p[j] + |
695 |
|
maxrad*u[j]*cos(theta) + |
696 |
|
maxrad*v[j]*sin(theta)); |
697 |
< |
if ((rv = handle_it(MG_E_VERTEX, 2, v3ent)) != MG_OK) |
697 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 2, v3ent)) != MG_OK) |
698 |
|
return(rv); |
699 |
< |
if ((rv = handle_it(MG_E_POINT, 4, p3ent)) != MG_OK) |
699 |
> |
if ((rv = mg_handle(MG_E_POINT, 4, p3ent)) != MG_OK) |
700 |
|
return(rv); |
701 |
< |
if ((rv = handle_it(MG_E_FACE, 4, fent)) != MG_OK) |
701 |
> |
if ((rv = mg_handle(MG_E_FACE, 4, fent)) != MG_OK) |
702 |
|
return(rv); |
703 |
|
} |
704 |
|
} else { /* open */ |
705 |
< |
if ((rv = handle_it(MG_E_VERTEX, 3, v4ent)) != MG_OK) |
705 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 3, v4ent)) != MG_OK) |
706 |
|
return(rv); |
707 |
|
for (j = 0; j < 3; j++) |
708 |
|
sprintf(p4[j], FLTFMT, cv->p[j] + minrad*u[j]); |
709 |
< |
if ((rv = handle_it(MG_E_POINT, 4, p4ent)) != MG_OK) |
709 |
> |
if ((rv = mg_handle(MG_E_POINT, 4, p4ent)) != MG_OK) |
710 |
|
return(rv); |
711 |
|
v1ent[3] = "_rv4"; |
712 |
|
for (i = 1; i <= 4*mg_nqcdivs; i++) { |
713 |
|
theta = i*(PI/2)/mg_nqcdivs; |
714 |
< |
if ((rv = handle_it(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
714 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
715 |
|
return(rv); |
716 |
< |
if ((rv = handle_it(MG_E_VERTEX, 4, v2ent)) != MG_OK) |
716 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 4, v2ent)) != MG_OK) |
717 |
|
return(rv); |
718 |
|
for (j = 0; j < 3; j++) { |
719 |
|
d = u[j]*cos(theta) + v[j]*sin(theta); |
720 |
|
sprintf(p3[j], FLTFMT, cv->p[j] + maxrad*d); |
721 |
|
sprintf(p4[j], FLTFMT, cv->p[j] + minrad*d); |
722 |
|
} |
723 |
< |
if ((rv = handle_it(MG_E_VERTEX, 2, v3ent)) != MG_OK) |
723 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 2, v3ent)) != MG_OK) |
724 |
|
return(rv); |
725 |
< |
if ((rv = handle_it(MG_E_POINT, 4, p3ent)) != MG_OK) |
725 |
> |
if ((rv = mg_handle(MG_E_POINT, 4, p3ent)) != MG_OK) |
726 |
|
return(rv); |
727 |
< |
if ((rv = handle_it(MG_E_VERTEX, 2, v4ent)) != MG_OK) |
727 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 2, v4ent)) != MG_OK) |
728 |
|
return(rv); |
729 |
< |
if ((rv = handle_it(MG_E_POINT, 4, p4ent)) != MG_OK) |
729 |
> |
if ((rv = mg_handle(MG_E_POINT, 4, p4ent)) != MG_OK) |
730 |
|
return(rv); |
731 |
< |
if ((rv = handle_it(MG_E_FACE, 5, fent)) != MG_OK) |
731 |
> |
if ((rv = mg_handle(MG_E_FACE, 5, fent)) != MG_OK) |
732 |
|
return(rv); |
733 |
|
} |
734 |
|
} |
751 |
|
static char *p4ent[5] = {mg_ename[MG_E_POINT],p4[0],p4[1],p4[2]}; |
752 |
|
static char *n4ent[5] = {mg_ename[MG_E_NORMAL],n4[0],n4[1],n4[2]}; |
753 |
|
static char *fent[6] = {mg_ename[MG_E_FACE],"_cv1","_cv2","_cv3","_cv4"}; |
754 |
+ |
char *v1n; |
755 |
|
register C_VERTEX *cv1, *cv2; |
756 |
|
register int i, j; |
757 |
|
FVECT u, v, w; |
767 |
|
if ((cv1 = c_getvert(av[1])) == NULL || |
768 |
|
(cv2 = c_getvert(av[3])) == NULL) |
769 |
|
return(MG_EUNDEF); |
770 |
+ |
v1n = av[1]; |
771 |
|
if (!isflt(av[2]) || !isflt(av[4])) |
772 |
|
return(MG_ETYPE); |
773 |
|
rad1 = atof(av[2]); |
786 |
|
cv = cv1; |
787 |
|
cv1 = cv2; |
788 |
|
cv2 = cv; |
789 |
+ |
v1n = av[3]; |
790 |
|
d = rad1; |
791 |
|
rad1 = rad2; |
792 |
|
rad2 = d; |
813 |
|
else |
814 |
|
sprintf(n3[j], FLTFMT, u[j] + w[j]*n2off); |
815 |
|
} |
816 |
< |
if ((rv = handle_it(MG_E_VERTEX, 3, v3ent)) != MG_OK) |
816 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 3, v3ent)) != MG_OK) |
817 |
|
return(rv); |
818 |
< |
if ((rv = handle_it(MG_E_POINT, 4, p3ent)) != MG_OK) |
818 |
> |
if ((rv = mg_handle(MG_E_POINT, 4, p3ent)) != MG_OK) |
819 |
|
return(rv); |
820 |
< |
if ((rv = handle_it(MG_E_NORMAL, 4, n3ent)) != MG_OK) |
820 |
> |
if ((rv = mg_handle(MG_E_NORMAL, 4, n3ent)) != MG_OK) |
821 |
|
return(rv); |
822 |
|
if (rad1 == 0.) { /* triangles */ |
823 |
< |
v1ent[3] = av[1]; |
824 |
< |
if ((rv = handle_it(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
823 |
> |
v1ent[3] = v1n; |
824 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
825 |
|
return(rv); |
826 |
|
for (j = 0; j < 3; j++) |
827 |
|
sprintf(n4[j], FLTFMT, w[j]); |
828 |
< |
if ((rv = handle_it(MG_E_NORMAL, 4, n4ent)) != MG_OK) |
828 |
> |
if ((rv = mg_handle(MG_E_NORMAL, 4, n4ent)) != MG_OK) |
829 |
|
return(rv); |
830 |
|
for (i = 1; i <= 4*mg_nqcdivs; i++) { |
831 |
|
theta = sgn*i*(PI/2)/mg_nqcdivs; |
832 |
< |
if ((rv = handle_it(MG_E_VERTEX, 4, v2ent)) != MG_OK) |
832 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 4, v2ent)) != MG_OK) |
833 |
|
return(rv); |
834 |
|
for (j = 0; j < 3; j++) { |
835 |
|
d = u[j]*cos(theta) + v[j]*sin(theta); |
837 |
|
if (n2off > -FHUGE) |
838 |
|
sprintf(n3[j], FLTFMT, d + w[j]*n2off); |
839 |
|
} |
840 |
< |
if ((rv = handle_it(MG_E_VERTEX, 2, v3ent)) != MG_OK) |
840 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 2, v3ent)) != MG_OK) |
841 |
|
return(rv); |
842 |
< |
if ((rv = handle_it(MG_E_POINT, 4, p3ent)) != MG_OK) |
842 |
> |
if ((rv = mg_handle(MG_E_POINT, 4, p3ent)) != MG_OK) |
843 |
|
return(rv); |
844 |
|
if (n2off > -FHUGE && |
845 |
< |
(rv = handle_it(MG_E_NORMAL, 4, n3ent)) != MG_OK) |
845 |
> |
(rv = mg_handle(MG_E_NORMAL, 4, n3ent)) != MG_OK) |
846 |
|
return(rv); |
847 |
< |
if ((rv = handle_it(MG_E_FACE, 4, fent)) != MG_OK) |
847 |
> |
if ((rv = mg_handle(MG_E_FACE, 4, fent)) != MG_OK) |
848 |
|
return(rv); |
849 |
|
} |
850 |
|
} else { /* quads */ |
863 |
|
else |
864 |
|
sprintf(n4[j], FLTFMT, u[j] + w[j]*n1off); |
865 |
|
} |
866 |
< |
if ((rv = handle_it(MG_E_VERTEX, 3, v4ent)) != MG_OK) |
866 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 3, v4ent)) != MG_OK) |
867 |
|
return(rv); |
868 |
< |
if ((rv = handle_it(MG_E_POINT, 4, p4ent)) != MG_OK) |
868 |
> |
if ((rv = mg_handle(MG_E_POINT, 4, p4ent)) != MG_OK) |
869 |
|
return(rv); |
870 |
< |
if ((rv = handle_it(MG_E_NORMAL, 4, n4ent)) != MG_OK) |
870 |
> |
if ((rv = mg_handle(MG_E_NORMAL, 4, n4ent)) != MG_OK) |
871 |
|
return(rv); |
872 |
|
for (i = 1; i <= 4*mg_nqcdivs; i++) { |
873 |
|
theta = sgn*i*(PI/2)/mg_nqcdivs; |
874 |
< |
if ((rv = handle_it(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
874 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
875 |
|
return(rv); |
876 |
< |
if ((rv = handle_it(MG_E_VERTEX, 4, v2ent)) != MG_OK) |
876 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 4, v2ent)) != MG_OK) |
877 |
|
return(rv); |
878 |
|
for (j = 0; j < 3; j++) { |
879 |
|
d = u[j]*cos(theta) + v[j]*sin(theta); |
884 |
|
if (n1off < FHUGE) |
885 |
|
sprintf(n4[j], FLTFMT, d + w[j]*n1off); |
886 |
|
} |
887 |
< |
if ((rv = handle_it(MG_E_VERTEX, 2, v3ent)) != MG_OK) |
887 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 2, v3ent)) != MG_OK) |
888 |
|
return(rv); |
889 |
< |
if ((rv = handle_it(MG_E_POINT, 4, p3ent)) != MG_OK) |
889 |
> |
if ((rv = mg_handle(MG_E_POINT, 4, p3ent)) != MG_OK) |
890 |
|
return(rv); |
891 |
|
if (n2off > -FHUGE && |
892 |
< |
(rv = handle_it(MG_E_NORMAL, 4, n3ent)) != MG_OK) |
892 |
> |
(rv = mg_handle(MG_E_NORMAL, 4, n3ent)) != MG_OK) |
893 |
|
return(rv); |
894 |
< |
if ((rv = handle_it(MG_E_VERTEX, 2, v4ent)) != MG_OK) |
894 |
> |
if ((rv = mg_handle(MG_E_VERTEX, 2, v4ent)) != MG_OK) |
895 |
|
return(rv); |
896 |
< |
if ((rv = handle_it(MG_E_POINT, 4, p4ent)) != MG_OK) |
896 |
> |
if ((rv = mg_handle(MG_E_POINT, 4, p4ent)) != MG_OK) |
897 |
|
return(rv); |
898 |
|
if (n1off < FHUGE && |
899 |
< |
(rv = handle_it(MG_E_NORMAL, 4, n4ent)) != MG_OK) |
899 |
> |
(rv = mg_handle(MG_E_NORMAL, 4, n4ent)) != MG_OK) |
900 |
|
return(rv); |
901 |
< |
if ((rv = handle_it(MG_E_FACE, 5, fent)) != MG_OK) |
901 |
> |
if ((rv = mg_handle(MG_E_FACE, 5, fent)) != MG_OK) |
902 |
|
return(rv); |
903 |
|
} |
904 |
|
} |
905 |
+ |
return(MG_OK); |
906 |
+ |
} |
907 |
+ |
|
908 |
+ |
|
909 |
+ |
static int |
910 |
+ |
e_prism(ac, av) /* turn a prism into polygons */ |
911 |
+ |
int ac; |
912 |
+ |
char **av; |
913 |
+ |
{ |
914 |
+ |
static char p[3][24]; |
915 |
+ |
static char *vent[5] = {mg_ename[MG_E_VERTEX],NULL,"="}; |
916 |
+ |
static char *pent[5] = {mg_ename[MG_E_POINT],p[0],p[1],p[2]}; |
917 |
+ |
static char *znorm[5] = {mg_ename[MG_E_NORMAL],"0","0","0"}; |
918 |
+ |
char *newav[MG_MAXARGC], nvn[MG_MAXARGC-1][8]; |
919 |
+ |
double length; |
920 |
+ |
int hasnorm; |
921 |
+ |
FVECT v1, v2, v3, norm; |
922 |
+ |
register C_VERTEX *cv; |
923 |
+ |
C_VERTEX *cv0; |
924 |
+ |
int rv; |
925 |
+ |
register int i, j; |
926 |
+ |
/* check arguments */ |
927 |
+ |
if (ac < 5) |
928 |
+ |
return(MG_EARGC); |
929 |
+ |
if (!isflt(av[ac-1])) |
930 |
+ |
return(MG_ETYPE); |
931 |
+ |
length = atof(av[ac-1]); |
932 |
+ |
if (length <= FTINY && length >= -FTINY) |
933 |
+ |
return(MG_EILL); |
934 |
+ |
/* compute face normal */ |
935 |
+ |
if ((cv0 = c_getvert(av[1])) == NULL) |
936 |
+ |
return(MG_EUNDEF); |
937 |
+ |
hasnorm = 0; |
938 |
+ |
norm[0] = norm[1] = norm[2] = 0.; |
939 |
+ |
v1[0] = v1[1] = v1[2] = 0.; |
940 |
+ |
for (i = 2; i < ac-1; i++) { |
941 |
+ |
if ((cv = c_getvert(av[i])) == NULL) |
942 |
+ |
return(MG_EUNDEF); |
943 |
+ |
hasnorm += !is0vect(cv->n); |
944 |
+ |
v2[0] = cv->p[0] - cv0->p[0]; |
945 |
+ |
v2[1] = cv->p[1] - cv0->p[1]; |
946 |
+ |
v2[2] = cv->p[2] - cv0->p[2]; |
947 |
+ |
fcross(v3, v1, v2); |
948 |
+ |
norm[0] += v3[0]; |
949 |
+ |
norm[1] += v3[1]; |
950 |
+ |
norm[2] += v3[2]; |
951 |
+ |
VCOPY(v1, v2); |
952 |
+ |
} |
953 |
+ |
if (normalize(norm) == 0.) |
954 |
+ |
return(MG_EILL); |
955 |
+ |
/* create moved vertices */ |
956 |
+ |
for (i = 1; i < ac-1; i++) { |
957 |
+ |
sprintf(nvn[i-1], "_pv%d", i); |
958 |
+ |
vent[1] = nvn[i-1]; |
959 |
+ |
vent[3] = av[i]; |
960 |
+ |
if ((rv = mg_handle(MG_E_VERTEX, 4, vent)) != MG_OK) |
961 |
+ |
return(rv); |
962 |
+ |
cv = c_getvert(av[i]); /* checked above */ |
963 |
+ |
for (j = 0; j < 3; j++) |
964 |
+ |
sprintf(p[j], FLTFMT, cv->p[j] - length*norm[j]); |
965 |
+ |
if ((rv = mg_handle(MG_E_POINT, 4, pent)) != MG_OK) |
966 |
+ |
return(rv); |
967 |
+ |
} |
968 |
+ |
/* make faces */ |
969 |
+ |
newav[0] = mg_ename[MG_E_FACE]; |
970 |
+ |
/* do the side faces */ |
971 |
+ |
newav[5] = NULL; |
972 |
+ |
newav[3] = av[ac-2]; |
973 |
+ |
newav[4] = nvn[ac-3]; |
974 |
+ |
for (i = 1; i < ac-1; i++) { |
975 |
+ |
newav[1] = nvn[i-1]; |
976 |
+ |
newav[2] = av[i]; |
977 |
+ |
if ((rv = mg_handle(MG_E_FACE, 5, newav)) != MG_OK) |
978 |
+ |
return(rv); |
979 |
+ |
newav[3] = newav[2]; |
980 |
+ |
newav[4] = newav[1]; |
981 |
+ |
} |
982 |
+ |
/* do top face */ |
983 |
+ |
for (i = 1; i < ac-1; i++) { |
984 |
+ |
if (hasnorm) { /* zero normals */ |
985 |
+ |
vent[1] = nvn[i-1]; |
986 |
+ |
if ((rv = mg_handle(MG_E_VERTEX, 2, vent)) != MG_OK) |
987 |
+ |
return(rv); |
988 |
+ |
if ((rv = mg_handle(MG_E_NORMAL, 4, znorm)) != MG_OK) |
989 |
+ |
return(rv); |
990 |
+ |
} |
991 |
+ |
newav[ac-1-i] = nvn[i-1]; /* reverse */ |
992 |
+ |
} |
993 |
+ |
if ((rv = mg_handle(MG_E_FACE, ac-1, newav)) != MG_OK) |
994 |
+ |
return(rv); |
995 |
+ |
/* do bottom face */ |
996 |
+ |
if (hasnorm) |
997 |
+ |
for (i = 1; i < ac-1; i++) { |
998 |
+ |
vent[1] = nvn[i-1]; |
999 |
+ |
vent[3] = av[i]; |
1000 |
+ |
if ((rv = mg_handle(MG_E_VERTEX, 4, vent)) != MG_OK) |
1001 |
+ |
return(rv); |
1002 |
+ |
if ((rv = mg_handle(MG_E_NORMAL, 4, znorm)) != MG_OK) |
1003 |
+ |
return(rv); |
1004 |
+ |
newav[i] = nvn[i-1]; |
1005 |
+ |
} |
1006 |
+ |
else |
1007 |
+ |
for (i = 1; i < ac-1; i++) |
1008 |
+ |
newav[i] = av[i]; |
1009 |
+ |
newav[i] = NULL; |
1010 |
+ |
if ((rv = mg_handle(MG_E_FACE, i, newav)) != MG_OK) |
1011 |
+ |
return(rv); |
1012 |
+ |
return(MG_OK); |
1013 |
+ |
} |
1014 |
+ |
|
1015 |
+ |
|
1016 |
+ |
static int |
1017 |
+ |
put_cxy() /* put out current xy chromaticities */ |
1018 |
+ |
{ |
1019 |
+ |
static char xbuf[24], ybuf[24]; |
1020 |
+ |
static char *ccom[4] = {mg_ename[MG_E_CXY], xbuf, ybuf}; |
1021 |
+ |
int rv; |
1022 |
+ |
|
1023 |
+ |
sprintf(xbuf, "%.4f", c_ccolor->cx); |
1024 |
+ |
sprintf(ybuf, "%.4f", c_ccolor->cy); |
1025 |
+ |
if ((rv = mg_handle(MG_E_CXY, 3, ccom)) != MG_OK) |
1026 |
+ |
return(rv); |
1027 |
+ |
return(MG_OK); |
1028 |
+ |
} |
1029 |
+ |
|
1030 |
+ |
|
1031 |
+ |
static int |
1032 |
+ |
put_cspec() /* put out current color spectrum */ |
1033 |
+ |
{ |
1034 |
+ |
char wl[2][6], vbuf[C_CNSS][24]; |
1035 |
+ |
char *newav[C_CNSS+4]; |
1036 |
+ |
double sf; |
1037 |
+ |
register int i; |
1038 |
+ |
|
1039 |
+ |
if (mg_ehand[MG_E_CSPEC] != c_hcolor) { |
1040 |
+ |
sprintf(wl[0], "%d", C_CMINWL); |
1041 |
+ |
sprintf(wl[1], "%d", C_CMAXWL); |
1042 |
+ |
newav[0] = mg_ename[MG_E_CSPEC]; |
1043 |
+ |
newav[1] = wl[0]; |
1044 |
+ |
newav[2] = wl[1]; |
1045 |
+ |
sf = (double)C_CNSS / c_ccolor->ssum; |
1046 |
+ |
for (i = 0; i < C_CNSS; i++) { |
1047 |
+ |
sprintf(vbuf[i], "%.4f", sf*c_ccolor->ssamp[i]); |
1048 |
+ |
newav[i+3] = vbuf[i]; |
1049 |
+ |
} |
1050 |
+ |
newav[C_CNSS+3] = NULL; |
1051 |
+ |
if ((i = mg_handle(MG_E_CSPEC, C_CNSS+3, newav)) != MG_OK) |
1052 |
+ |
return(i); |
1053 |
+ |
} |
1054 |
+ |
return(MG_OK); |
1055 |
+ |
} |
1056 |
+ |
|
1057 |
+ |
|
1058 |
+ |
static int |
1059 |
+ |
e_cspec(ac, av) /* handle spectral color */ |
1060 |
+ |
int ac; |
1061 |
+ |
char **av; |
1062 |
+ |
{ |
1063 |
+ |
/* convert to xy chromaticity */ |
1064 |
+ |
c_ccvt(c_ccolor, C_CSXY); |
1065 |
+ |
/* if it's really their handler, use it */ |
1066 |
+ |
if (mg_ehand[MG_E_CXY] != c_hcolor) |
1067 |
+ |
return(put_cxy()); |
1068 |
+ |
return(MG_OK); |
1069 |
+ |
} |
1070 |
+ |
|
1071 |
+ |
|
1072 |
+ |
static int |
1073 |
+ |
e_cmix(ac, av) /* handle mixing of colors */ |
1074 |
+ |
int ac; |
1075 |
+ |
char **av; |
1076 |
+ |
{ |
1077 |
+ |
/* |
1078 |
+ |
* Contorted logic works as follows: |
1079 |
+ |
* 1. the colors are already mixed in c_hcolor() support function |
1080 |
+ |
* 2. if we would handle a spectral result, make sure it's not |
1081 |
+ |
* 3. if c_hcolor() would handle a spectral result, don't bother |
1082 |
+ |
* 4. otherwise, make cspec entity and pass it to their handler |
1083 |
+ |
* 5. if we have only xy results, handle it as c_spec() would |
1084 |
+ |
*/ |
1085 |
+ |
if (mg_ehand[MG_E_CSPEC] == e_cspec) |
1086 |
+ |
c_ccvt(c_ccolor, C_CSXY); |
1087 |
+ |
else if (c_ccolor->flags & C_CDSPEC) |
1088 |
+ |
return(put_cspec()); |
1089 |
+ |
if (mg_ehand[MG_E_CXY] != c_hcolor) |
1090 |
+ |
return(put_cxy()); |
1091 |
+ |
return(MG_OK); |
1092 |
+ |
} |
1093 |
+ |
|
1094 |
+ |
|
1095 |
+ |
static int |
1096 |
+ |
e_cct(ac, av) /* handle color temperature */ |
1097 |
+ |
int ac; |
1098 |
+ |
char **av; |
1099 |
+ |
{ |
1100 |
+ |
/* |
1101 |
+ |
* Logic is similar to e_cmix here. Support handler has already |
1102 |
+ |
* converted temperature to spectral color. Put it out as such |
1103 |
+ |
* if they support it, otherwise convert to xy chromaticity and |
1104 |
+ |
* put it out if they handle it. |
1105 |
+ |
*/ |
1106 |
+ |
if (mg_ehand[MG_E_CSPEC] != e_cspec) |
1107 |
+ |
return(put_cspec()); |
1108 |
+ |
c_ccvt(c_ccolor, C_CSXY); |
1109 |
+ |
if (mg_ehand[MG_E_CXY] != c_hcolor) |
1110 |
+ |
return(put_cxy()); |
1111 |
|
return(MG_OK); |
1112 |
|
} |