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/* Copyright (c) 1987 Regents of the University of California */ |
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|
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
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#endif |
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– |
|
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/* |
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* rview.c - routines and variables for interactive view generation. |
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* |
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< |
* 3/24/87 |
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* External symbols declared in rpaint.h |
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*/ |
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|
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/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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*/ |
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|
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|
#include "ray.h" |
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|
69 |
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#include "rpaint.h" |
72 |
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|
73 |
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#include <ctype.h> |
74 |
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|
75 |
< |
VIEW ourview = STDVIEW; /* viewing parameters */ |
76 |
< |
int hresolu, vresolu; /* image resolution */ |
75 |
> |
CUBE thescene; /* our scene */ |
76 |
> |
OBJECT nsceneobjs; /* number of objects in our scene */ |
77 |
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|
78 |
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int dimlist[MAXDIM]; /* sampling dimensions */ |
79 |
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int ndims = 0; /* number of sampling dimensions */ |
80 |
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int samplendx = 0; /* index for this sample */ |
81 |
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|
82 |
+ |
extern void ambnotify(); |
83 |
+ |
void (*addobjnotify[])() = {ambnotify, NULL}; |
84 |
+ |
|
85 |
+ |
VIEW ourview = STDVIEW; /* viewing parameters */ |
86 |
+ |
int hresolu, vresolu; /* image resolution */ |
87 |
+ |
|
88 |
+ |
void (*trace)() = NULL; /* trace call */ |
89 |
+ |
|
90 |
+ |
int do_irrad = 0; /* compute irradiance? */ |
91 |
+ |
|
92 |
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int psample = 8; /* pixel sample size */ |
93 |
< |
double maxdiff = .15; /* max. sample difference */ |
93 |
> |
double maxdiff = .15; /* max. sample difference */ |
94 |
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|
95 |
< |
double exposure = 1.0; /* exposure for scene */ |
95 |
> |
double exposure = 1.0; /* exposure for scene */ |
96 |
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|
97 |
< |
double dstrsrc = 0.0; /* square source distribution */ |
98 |
< |
double shadthresh = .1; /* shadow threshold */ |
99 |
< |
double shadcert = .25; /* shadow certainty */ |
97 |
> |
double dstrsrc = 0.0; /* square source distribution */ |
98 |
> |
double shadthresh = .1; /* shadow threshold */ |
99 |
> |
double shadcert = .25; /* shadow certainty */ |
100 |
|
int directrelay = 0; /* number of source relays */ |
101 |
+ |
int vspretest = 128; /* virtual source pretest density */ |
102 |
+ |
int directvis = 1; /* sources visible? */ |
103 |
+ |
double srcsizerat = 0.; /* maximum ratio source size/dist. */ |
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|
105 |
+ |
COLOR cextinction = BLKCOLOR; /* global extinction coefficient */ |
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+ |
COLOR salbedo = BLKCOLOR; /* global scattering albedo */ |
107 |
+ |
double seccg = 0.; /* global scattering eccentricity */ |
108 |
+ |
double ssampdist = 0.; /* scatter sampling distance */ |
109 |
+ |
|
110 |
+ |
double specthresh = .3; /* specular sampling threshold */ |
111 |
+ |
double specjitter = 1.; /* specular sampling jitter */ |
112 |
+ |
|
113 |
+ |
int backvis = 1; /* back face visibility */ |
114 |
+ |
|
115 |
|
int maxdepth = 4; /* maximum recursion depth */ |
116 |
< |
double minweight = 1e-2; /* minimum ray weight */ |
116 |
> |
double minweight = 1e-2; /* minimum ray weight */ |
117 |
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|
118 |
+ |
char *ambfile = NULL; /* ambient file name */ |
119 |
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COLOR ambval = BLKCOLOR; /* ambient value */ |
120 |
< |
double ambacc = 0.2; /* ambient accuracy */ |
120 |
> |
int ambvwt = 0; /* initial weight for ambient value */ |
121 |
> |
double ambacc = 0.2; /* ambient accuracy */ |
122 |
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int ambres = 8; /* ambient resolution */ |
123 |
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int ambdiv = 32; /* ambient divisions */ |
124 |
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int ambssamp = 0; /* ambient super-samples */ |
127 |
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int ambincl = -1; /* include == 1, exclude == 0 */ |
128 |
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|
129 |
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int greyscale = 0; /* map colors to brightness? */ |
130 |
< |
char *devname = dev_default; /* output device name */ |
130 |
> |
char *dvcname = dev_default; /* output device name */ |
131 |
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|
132 |
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struct driver *dev = NULL; /* driver functions */ |
133 |
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|
134 |
+ |
char rifname[128]; /* rad input file name */ |
135 |
+ |
|
136 |
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VIEW oldview; /* previous view parameters */ |
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|
138 |
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PNODE ptrunk; /* the base of our image */ |
141 |
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|
142 |
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static char *reserve_mem = NULL; /* pre-allocated reserve memory */ |
143 |
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|
144 |
< |
#define RESERVE_AMT 8192 /* amount of memory to reserve */ |
144 |
> |
#define RESERVE_AMT 32768 /* amount of memory to reserve */ |
145 |
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|
146 |
< |
#define CTRL(c) ('c'-'@') |
146 |
> |
#define CTRL(c) ((c)-'@') |
147 |
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|
148 |
|
|
149 |
+ |
void |
150 |
|
quit(code) /* quit program */ |
151 |
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int code; |
152 |
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{ |
153 |
+ |
#ifdef MSTATS |
154 |
+ |
if (code == 2 && errno == ENOMEM) |
155 |
+ |
printmemstats(stderr); |
156 |
+ |
#endif |
157 |
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devclose(); |
158 |
|
exit(code); |
159 |
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} |
160 |
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|
161 |
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|
162 |
+ |
void |
163 |
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devopen(dname) /* open device driver */ |
164 |
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char *dname; |
165 |
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{ |
176 |
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error(USER, errmsg); |
177 |
|
} else |
178 |
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return; |
179 |
+ |
#ifndef NIX |
180 |
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/* not there, try exec */ |
181 |
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if ((dev = comm_init(dname, id)) == NULL) { |
182 |
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sprintf(errmsg, "cannot start device \"%s\"", dname); |
183 |
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error(USER, errmsg); |
184 |
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} |
185 |
+ |
#endif |
186 |
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} |
187 |
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|
188 |
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|
189 |
+ |
void |
190 |
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devclose() /* close our device */ |
191 |
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{ |
192 |
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if (dev != NULL) |
195 |
|
} |
196 |
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|
197 |
|
|
198 |
+ |
void |
199 |
|
printdevices() /* print list of output devices */ |
200 |
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{ |
201 |
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register int i; |
205 |
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} |
206 |
|
|
207 |
|
|
208 |
+ |
void |
209 |
|
rview() /* do a view */ |
210 |
|
{ |
211 |
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char buf[32]; |
212 |
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|
213 |
< |
devopen(devname); /* open device */ |
213 |
> |
devopen(dvcname); /* open device */ |
214 |
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newimage(); /* start image (calls fillreserves) */ |
215 |
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|
216 |
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for ( ; ; ) { /* quit in command() */ |
238 |
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} |
239 |
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|
240 |
|
|
241 |
+ |
void |
242 |
|
fillreserves() /* fill memory reserves */ |
243 |
|
{ |
244 |
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if (reserve_mem != NULL) |
245 |
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return; |
246 |
< |
reserve_mem = malloc(RESERVE_AMT); |
246 |
> |
reserve_mem = (char *)malloc(RESERVE_AMT); |
247 |
|
} |
248 |
|
|
249 |
|
|
250 |
+ |
void |
251 |
|
freereserves() /* free memory reserves */ |
252 |
|
{ |
253 |
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if (reserve_mem == NULL) |
257 |
|
} |
258 |
|
|
259 |
|
|
260 |
+ |
void |
261 |
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command(prompt) /* get/execute command */ |
262 |
|
char *prompt; |
263 |
|
{ |
264 |
< |
#define badcom(s) strncmp(s, inpbuf, args-inpbuf-1) |
170 |
< |
double atof(); |
264 |
> |
#define badcom(s) strncmp(s, inpbuf, args-inpbuf-1) |
265 |
|
char inpbuf[256]; |
266 |
|
char *args; |
267 |
|
again: |
272 |
|
else *++args = '\0'; |
273 |
|
|
274 |
|
switch (inpbuf[0]) { |
275 |
< |
case 'f': /* new frame */ |
276 |
< |
if (badcom("frame")) |
277 |
< |
goto commerr; |
275 |
> |
case 'f': /* new frame (or free mem.) */ |
276 |
> |
if (badcom("frame")) { |
277 |
> |
if (badcom("free")) |
278 |
> |
goto commerr; |
279 |
> |
free_objmem(); |
280 |
> |
break; |
281 |
> |
} |
282 |
|
getframe(args); |
283 |
|
break; |
284 |
|
case 'v': /* view */ |
291 |
|
goto commerr; |
292 |
|
lastview(args); |
293 |
|
break; |
294 |
+ |
case 'V': /* save view */ |
295 |
+ |
if (badcom("V")) |
296 |
+ |
goto commerr; |
297 |
+ |
saveview(args); |
298 |
+ |
break; |
299 |
+ |
case 'L': /* load view */ |
300 |
+ |
if (badcom("L")) |
301 |
+ |
goto commerr; |
302 |
+ |
loadview(args); |
303 |
+ |
break; |
304 |
|
case 'e': /* exposure */ |
305 |
|
if (badcom("exposure")) |
306 |
|
goto commerr; |
307 |
|
getexposure(args); |
308 |
|
break; |
309 |
|
case 's': /* set a parameter */ |
310 |
< |
if (badcom("set")) |
310 |
> |
if (badcom("set")) { |
311 |
> |
#ifdef SIGTSTP |
312 |
> |
if (!badcom("stop")) |
313 |
> |
goto dostop; |
314 |
> |
#endif |
315 |
|
goto commerr; |
316 |
+ |
} |
317 |
|
setparam(args); |
318 |
|
break; |
319 |
|
case 'n': /* new picture */ |
331 |
|
goto commerr; |
332 |
|
getaim(args); |
333 |
|
break; |
334 |
< |
case 'm': /* move camera */ |
334 |
> |
case 'm': /* move camera (or memstats) */ |
335 |
|
if (badcom("move")) |
336 |
+ |
#ifdef MSTATS |
337 |
+ |
{ |
338 |
+ |
if (badcom("memory")) |
339 |
+ |
goto commerr; |
340 |
+ |
printmemstats(stderr); |
341 |
+ |
break; |
342 |
+ |
} |
343 |
+ |
#else |
344 |
|
goto commerr; |
345 |
+ |
#endif |
346 |
|
getmove(args); |
347 |
|
break; |
348 |
|
case 'r': /* rotate/repaint */ |
349 |
|
if (badcom("rotate")) { |
350 |
< |
if (badcom("repaint")) |
351 |
< |
goto commerr; |
350 |
> |
if (badcom("repaint")) { |
351 |
> |
if (badcom("redraw")) |
352 |
> |
goto commerr; |
353 |
> |
redraw(); |
354 |
> |
break; |
355 |
> |
} |
356 |
|
getrepaint(args); |
357 |
|
break; |
358 |
|
} |
359 |
|
getrotate(args); |
360 |
|
break; |
361 |
|
case 'p': /* pivot view */ |
362 |
< |
if (badcom("pivot")) |
363 |
< |
goto commerr; |
362 |
> |
if (badcom("pivot")) { |
363 |
> |
if (badcom("pause")) |
364 |
> |
goto commerr; |
365 |
> |
goto again; |
366 |
> |
} |
367 |
|
getpivot(args); |
368 |
|
break; |
369 |
< |
case CTRL(R): /* redraw */ |
369 |
> |
case CTRL('R'): /* redraw */ |
370 |
|
redraw(); |
371 |
|
break; |
372 |
|
case 'w': /* write */ |
378 |
|
if (badcom("quit")) |
379 |
|
goto commerr; |
380 |
|
quit(0); |
381 |
< |
case CTRL(C): /* interrupt */ |
381 |
> |
case CTRL('C'): /* interrupt */ |
382 |
|
goto again; |
383 |
< |
#ifdef SIGTSTP |
384 |
< |
case CTRL(Z): /* stop */ |
383 |
> |
#ifdef SIGTSTP |
384 |
> |
case CTRL('Z'):; /* stop */ |
385 |
> |
dostop: |
386 |
|
devclose(); |
387 |
|
kill(0, SIGTSTP); |
388 |
|
/* pc stops here */ |
389 |
< |
devopen(devname); |
389 |
> |
devopen(dvcname); |
390 |
|
redraw(); |
391 |
|
break; |
392 |
|
#endif |
402 |
|
error(COMMAND, errmsg); |
403 |
|
break; |
404 |
|
} |
405 |
< |
#undef badcom |
405 |
> |
#undef badcom |
406 |
|
} |
407 |
|
|
408 |
|
|
409 |
+ |
void |
410 |
|
rsample() /* sample the image */ |
411 |
|
{ |
412 |
|
int xsiz, ysiz, y; |
413 |
|
RECT r; |
414 |
|
PNODE *p; |
415 |
|
register RECT *rl; |
416 |
< |
register PNODE **pl; |
416 |
> |
register PNODE **pl; |
417 |
|
register int x; |
418 |
|
/* |
419 |
|
* We initialize the bottom row in the image at our current |
420 |
< |
* resolution. During sampling, we check super-pixels to the |
420 |
> |
* resolution. During sampling, we check super-pixels to the |
421 |
|
* right and above by calling bigdiff(). If there is a significant |
422 |
|
* difference, we subsample the super-pixels. The testing process |
423 |
|
* includes initialization of the next row. |
424 |
|
*/ |
425 |
< |
xsiz = (((pframe.r-pframe.l)<<pdepth)+hresolu-1) / hresolu; |
426 |
< |
ysiz = (((pframe.u-pframe.d)<<pdepth)+vresolu-1) / vresolu; |
425 |
> |
xsiz = (((long)(pframe.r-pframe.l)<<pdepth)+hresolu-1) / hresolu; |
426 |
> |
ysiz = (((long)(pframe.u-pframe.d)<<pdepth)+vresolu-1) / vresolu; |
427 |
|
rl = (RECT *)malloc(xsiz*sizeof(RECT)); |
428 |
|
if (rl == NULL) |
429 |
|
return; |
430 |
|
pl = (PNODE **)malloc(xsiz*sizeof(PNODE *)); |
431 |
< |
if (pl == NULL) |
431 |
> |
if (pl == NULL) { |
432 |
> |
free((void *)rl); |
433 |
|
return; |
434 |
+ |
} |
435 |
|
/* |
436 |
|
* Initialize the bottom row. |
437 |
|
*/ |
447 |
|
/* sample the image */ |
448 |
|
for (y = 0; /* y < ysiz */ ; y++) { |
449 |
|
for (x = 0; x < xsiz-1; x++) { |
450 |
< |
if (dev->inpready) |
450 |
> |
if (dev->inpready || errno == ENOMEM) |
451 |
|
goto escape; |
452 |
|
/* |
453 |
|
* Test super-pixel to the right. |
463 |
|
if (y >= ysiz-1) |
464 |
|
break; |
465 |
|
for (x = 0; x < xsiz; x++) { |
466 |
< |
if (dev->inpready) |
466 |
> |
if (dev->inpready || errno == ENOMEM) |
467 |
|
goto escape; |
468 |
|
/* |
469 |
|
* Find super-pixel at this position in next row. |
490 |
|
} |
491 |
|
} |
492 |
|
escape: |
493 |
< |
free((char *)rl); |
494 |
< |
free((char *)pl); |
493 |
> |
free((void *)rl); |
494 |
> |
free((void *)pl); |
495 |
|
} |
496 |
|
|
497 |
|
|
498 |
|
int |
499 |
|
refine(p, xmin, ymin, xmax, ymax, pd) /* refine a node */ |
500 |
< |
register PNODE *p; |
500 |
> |
register PNODE *p; |
501 |
|
int xmin, ymin, xmax, ymax; |
502 |
|
int pd; |
503 |
|
{ |
518 |
|
if (p->kid == NULL) { /* subdivide */ |
519 |
|
|
520 |
|
if ((p->kid = newptree()) == NULL) |
521 |
< |
return(growth); |
521 |
> |
return(0); |
522 |
|
/* |
523 |
|
* The following paint order can leave a black pixel |
524 |
< |
* when redraw() is called in (*dev->paintr)(). |
524 |
> |
* if redraw() is called in (*dev->paintr)(). |
525 |
|
*/ |
526 |
|
if (p->x >= mx && p->y >= my) |
527 |
|
pcopy(p, p->kid+UR); |