patch from div0 that enables printf format warnings in gcc
[xonotic/darkplaces.git] / cl_screen.c
1
2 #include "quakedef.h"
3 #include "cl_video.h"
4 #include "image.h"
5 #include "jpeg.h"
6 #include "cl_collision.h"
7 #include "libcurl.h"
8 #include "csprogs.h"
9
10 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
11 #include "snd_main.h"
12
13 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
14 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};       // 1 - 170
15 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background"};
16 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
17 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
18 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
19 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
20 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
21 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low (not used)"};
22 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
23 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
24 cvar_t scr_printspeed = {0, "scr_printspeed","8", "speed of intermission printing (episode end texts)"};
25 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
26 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
27 cvar_t vid_pixelheight = {CVAR_SAVE, "vid_pixelheight", "1", "adjusts vertical field of vision to account for non-square pixels (1280x1024 on a CRT monitor for example)"};
28 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
29 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
30 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
31 // scr_screenshot_name is defined in fs.c
32 cvar_t cl_capturevideo = {0, "cl_capturevideo", "0", "enables saving of video to a .avi file using uncompressed I420 colorspace and PCM audio, note that scr_screenshot_gammaboost affects the brightness of the output)"};
33 cvar_t cl_capturevideo_realtime = {0, "cl_capturevideo_realtime", "0", "causes video saving to operate in realtime (mostly useful while playing, not while capturing demos), this can produce a much lower quality video due to poor sound/video sync and will abort saving if your machine stalls for over 1 second"};
34 cvar_t cl_capturevideo_fps = {0, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
35 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
36 cvar_t r_letterbox = {0, "r_letterbox", "0", "reduces vertical height of view to simulate a letterboxed movie effect (can be used by mods for cutscenes)"};
37 cvar_t r_stereo_separation = {0, "r_stereo_separation", "4", "separation of eyes in the world (try negative values too)"};
38 cvar_t r_stereo_sidebyside = {0, "r_stereo_sidebyside", "0", "side by side views (for those who can't afford glasses but can afford eye strain)"};
39 cvar_t r_stereo_redblue = {0, "r_stereo_redblue", "0", "red/blue anaglyph stereo glasses (note: most of these glasses are actually red/cyan, try that one too)"};
40 cvar_t r_stereo_redcyan = {0, "r_stereo_redcyan", "0", "red/cyan anaglyph stereo glasses, the kind given away at drive-in movies like Creature From The Black Lagoon In 3D"};
41 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
42 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
43 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
44 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
45 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
46 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
47
48
49 int jpeg_supported = false;
50
51 qboolean        scr_initialized;                // ready to draw
52
53 float           scr_con_current;
54
55 extern int      con_vislines;
56
57 static void SCR_ScreenShot_f (void);
58 static void R_Envmap_f (void);
59
60 // backend
61 void R_ClearScreen(void);
62
63 /*
64 ===============================================================================
65
66 CENTER PRINTING
67
68 ===============================================================================
69 */
70
71 char            scr_centerstring[MAX_INPUTLINE];
72 float           scr_centertime_start;   // for slow victory printing
73 float           scr_centertime_off;
74 int                     scr_center_lines;
75 int                     scr_erase_lines;
76 int                     scr_erase_center;
77
78 /*
79 ==============
80 SCR_CenterPrint
81
82 Called for important messages that should stay in the center of the screen
83 for a few moments
84 ==============
85 */
86 void SCR_CenterPrint(char *str)
87 {
88         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
89         scr_centertime_off = scr_centertime.value;
90         scr_centertime_start = cl.time;
91
92 // count the number of lines for centering
93         scr_center_lines = 1;
94         while (*str)
95         {
96                 if (*str == '\n')
97                         scr_center_lines++;
98                 str++;
99         }
100 }
101
102
103 void SCR_DrawCenterString (void)
104 {
105         char    *start;
106         int             l;
107         int             x, y;
108         int             remaining;
109         int             color;
110
111 // the finale prints the characters one at a time
112         if (cl.intermission)
113                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
114         else
115                 remaining = 9999;
116
117         scr_erase_center = 0;
118         start = scr_centerstring;
119
120         if (remaining < 1)
121                 return;
122
123         if (scr_center_lines <= 4)
124                 y = (int)(vid_conheight.integer*0.35);
125         else
126                 y = 48;
127
128         color = -1;
129         do
130         {
131                 // scan the number of characters on the line, not counting color codes
132                 int chars = 0;
133                 for (l=0 ; l<vid_conwidth.integer/8 ; l++)
134                 {
135                         if (start[l] == '\n' || !start[l])
136                                 break;
137                         // color codes add no visible characters, so don't count them
138                         if (start[l] == STRING_COLOR_TAG && (start[l+1] >= '0' && start[l+1] <= '9'))
139                                 l++;
140                         else
141                                 chars++;
142                 }
143                 x = (vid_conwidth.integer - chars*8)/2;
144                 if (l > 0)
145                 {
146                         if (remaining < l)
147                                 l = remaining;
148                         DrawQ_ColoredString(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color);
149                         remaining -= l;
150                         if (remaining <= 0)
151                                 return;
152                 }
153
154                 y += 8;
155
156                 while (*start && *start != '\n')
157                         start++;
158
159                 if (!*start)
160                         break;
161                 start++;                // skip the \n
162         } while (1);
163 }
164
165 void SCR_CheckDrawCenterString (void)
166 {
167         if (scr_center_lines > scr_erase_lines)
168                 scr_erase_lines = scr_center_lines;
169
170         scr_centertime_off -= cl.realframetime;
171
172         // don't draw if this is a normal stats-screen intermission,
173         // only if it is not an intermission, or a finale intermission
174         if (cl.intermission == 1)
175                 return;
176         if (scr_centertime_off <= 0 && !cl.intermission)
177                 return;
178         if (key_dest != key_game)
179                 return;
180
181         SCR_DrawCenterString ();
182 }
183
184 /*
185 ==============
186 SCR_DrawTurtle
187 ==============
188 */
189 void SCR_DrawTurtle (void)
190 {
191         static int      count;
192
193         if (cls.state != ca_connected)
194                 return;
195
196         if (!scr_showturtle.integer)
197                 return;
198
199         if (cl.realframetime < 0.1)
200         {
201                 count = 0;
202                 return;
203         }
204
205         count++;
206         if (count < 3)
207                 return;
208
209         DrawQ_Pic (0, 0, Draw_CachePic("gfx/turtle", true), 0, 0, 1, 1, 1, 1, 0);
210 }
211
212 /*
213 ==============
214 SCR_DrawNet
215 ==============
216 */
217 void SCR_DrawNet (void)
218 {
219         if (cls.state != ca_connected)
220                 return;
221         if (realtime - cl.last_received_message < 0.3)
222                 return;
223         if (cls.demoplayback)
224                 return;
225
226         DrawQ_Pic (64, 0, Draw_CachePic("gfx/net", true), 0, 0, 1, 1, 1, 1, 0);
227 }
228
229 /*
230 ==============
231 DrawPause
232 ==============
233 */
234 void SCR_DrawPause (void)
235 {
236         cachepic_t      *pic;
237
238         if (cls.state != ca_connected)
239                 return;
240
241         if (!scr_showpause.integer)             // turn off for screenshots
242                 return;
243
244         if (!cl.paused)
245                 return;
246
247         pic = Draw_CachePic ("gfx/pause", true);
248         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
249 }
250
251 /*
252 ==============
253 SCR_DrawBrand
254 ==============
255 */
256 void SCR_DrawBrand (void)
257 {
258         cachepic_t      *pic;
259         float           x, y;
260
261         if (!scr_showbrand.value)
262                 return;
263
264         pic = Draw_CachePic ("gfx/brand", true);
265
266         switch ((int)scr_showbrand.value)
267         {
268         case 1: // bottom left
269                 x = 0;
270                 y = vid_conheight.integer - pic->height;
271                 break;
272         case 2: // bottom centre
273                 x = (vid_conwidth.integer - pic->width) / 2;
274                 y = vid_conheight.integer - pic->height;
275                 break;
276         case 3: // bottom right
277                 x = vid_conwidth.integer - pic->width;
278                 y = vid_conheight.integer - pic->height;
279                 break;
280         case 4: // centre right
281                 x = vid_conwidth.integer - pic->width;
282                 y = (vid_conheight.integer - pic->height) / 2;
283                 break;
284         case 5: // top right
285                 x = vid_conwidth.integer - pic->width;
286                 y = 0;
287                 break;
288         case 6: // top centre
289                 x = (vid_conwidth.integer - pic->width) / 2;
290                 y = 0;
291                 break;
292         case 7: // top left
293                 x = 0;
294                 y = 0;
295                 break;
296         case 8: // centre left
297                 x = 0;
298                 y = (vid_conheight.integer - pic->height) / 2;
299                 break;
300         default:
301                 return;
302         }
303
304         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
305 }
306
307 /*
308 ==============
309 SCR_DrawQWDownload
310 ==============
311 */
312 static int SCR_DrawQWDownload(int offset)
313 {
314         int len;
315         float x, y;
316         float size = 8;
317         char temp[256];
318         if (!cls.qw_downloadname[0])
319                 return 0;
320         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %3i%%\n", cls.qw_downloadname, cls.qw_downloadpercent);
321         len = (int)strlen(temp);
322         x = (vid_conwidth.integer - len*size) / 2;
323         y = vid_conheight.integer - size - offset;
324         DrawQ_Pic(0, y, NULL, vid_conwidth.integer, size, 0, 0, 0, 0.5, 0);
325         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0);
326         return 8;
327 }
328
329 /*
330 ==============
331 SCR_DrawCurlDownload
332 ==============
333 */
334 static int SCR_DrawCurlDownload(int offset)
335 {
336         int len;
337         int nDownloads;
338         int i;
339         float x, y;
340         float size = 8;
341         Curl_downloadinfo_t *downinfo;
342         char temp[256];
343         const char *addinfo;
344
345         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
346         if(!downinfo)
347                 return 0;
348
349         y = vid_conheight.integer - size * nDownloads - offset;
350
351         if(addinfo)
352         {
353                 len = (int)strlen(addinfo);
354                 x = (vid_conwidth.integer - len*size) / 2;
355                 DrawQ_Pic(0, y - size, NULL, vid_conwidth.integer, size, 1, 1, 1, 0.8, 0);
356                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0);
357         }
358
359         for(i = 0; i != nDownloads; ++i)
360         {
361                 if(downinfo[i].queued)
362                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
363                 else if(downinfo[i].progress <= 0)
364                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
365                 else
366                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s\n", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
367                 len = (int)strlen(temp);
368                 x = (vid_conwidth.integer - len*size) / 2;
369                 DrawQ_Pic(0, y + i * size, NULL, vid_conwidth.integer, size, 0, 0, 0, 0.8, 0);
370                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0);
371         }
372
373         Z_Free(downinfo);
374
375         return 8 * (nDownloads + (addinfo ? 1 : 0));
376 }
377
378 /*
379 ==============
380 SCR_DrawDownload
381 ==============
382 */
383 static void SCR_DrawDownload()
384 {
385         int offset = 0;
386         offset += SCR_DrawQWDownload(offset);
387         offset += SCR_DrawCurlDownload(offset);
388 }
389
390 //=============================================================================
391
392 /*
393 ==================
394 SCR_SetUpToDrawConsole
395 ==================
396 */
397 void SCR_SetUpToDrawConsole (void)
398 {
399         // lines of console to display
400         float conlines;
401         static int framecounter = 0;
402
403         Con_CheckResize ();
404
405         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
406         {
407                 if (framecounter >= 2)
408                         MR_ToggleMenu_f();
409                 else
410                         framecounter++;
411         }
412         else
413                 framecounter = 0;
414
415         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
416                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
417         else
418                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
419
420 // decide on the height of the console
421         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
422                 conlines = vid_conheight.integer/2;     // half screen
423         else
424                 conlines = 0;                           // none visible
425
426         scr_con_current = conlines;
427 }
428
429 /*
430 ==================
431 SCR_DrawConsole
432 ==================
433 */
434 void SCR_DrawConsole (void)
435 {
436         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
437         {
438                 // full screen
439                 Con_DrawConsole (vid_conheight.integer);
440         }
441         else if (scr_con_current)
442                 Con_DrawConsole ((int)scr_con_current);
443         else
444         {
445                 con_vislines = 0;
446                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
447                         Con_DrawNotify ();      // only draw notify in game
448         }
449 }
450
451 /*
452 ===============
453 SCR_BeginLoadingPlaque
454
455 ================
456 */
457 void SCR_BeginLoadingPlaque (void)
458 {
459         // save console log up to this point to log_file if it was set by configs
460         Log_Start();
461
462         Host_StartVideo();
463         S_StopAllSounds();
464         SCR_UpdateLoadingScreen(false);
465 }
466
467 //=============================================================================
468
469 char r_speeds_string[1024];
470 int speedstringcount, r_timereport_active;
471 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
472
473 void R_TimeReport(char *desc)
474 {
475         char tempbuf[256];
476         int length;
477         int t;
478
479         if (r_speeds.integer < 2 || !r_timereport_active)
480                 return;
481
482         CHECKGLERROR
483         qglFinish();CHECKGLERROR
484         r_timereport_temp = r_timereport_current;
485         r_timereport_current = Sys_DoubleTime();
486         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
487
488         dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %-11s", t, desc);
489         length = (int)strlen(tempbuf);
490         if (speedstringcount + length > (vid_conwidth.integer / 8))
491         {
492                 strlcat(r_speeds_string, "\n", sizeof(r_speeds_string));
493                 speedstringcount = 0;
494         }
495         strlcat(r_speeds_string, tempbuf, sizeof(r_speeds_string));
496         speedstringcount += length;
497 }
498
499 void R_TimeReport_Frame(void)
500 {
501         int i, j, lines, y;
502
503         if (r_speeds_string[0])
504         {
505                 if (r_timereport_active)
506                 {
507                         r_timereport_current = r_timereport_start;
508                         R_TimeReport("total");
509                 }
510
511                 if (r_speeds_string[strlen(r_speeds_string)-1] == '\n')
512                         r_speeds_string[strlen(r_speeds_string)-1] = 0;
513                 lines = 1;
514                 for (i = 0;r_speeds_string[i];i++)
515                         if (r_speeds_string[i] == '\n')
516                                 lines++;
517                 y = vid_conheight.integer - sb_lines - lines * 8;
518                 i = j = 0;
519                 DrawQ_Pic(0, y, NULL, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
520                 while (r_speeds_string[i])
521                 {
522                         j = i;
523                         while (r_speeds_string[i] && r_speeds_string[i] != '\n')
524                                 i++;
525                         if (i - j > 0)
526                                 DrawQ_String(0, y, r_speeds_string + j, i - j, 8, 8, 1, 1, 1, 1, 0);
527                         if (r_speeds_string[i] == '\n')
528                                 i++;
529                         y += 8;
530                 }
531                 r_speeds_string[0] = 0;
532                 r_timereport_active = false;
533         }
534         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
535         {
536                 speedstringcount = 0;
537                 r_speeds_string[0] = 0;
538                 r_timereport_active = false;
539                 sprintf(r_speeds_string + strlen(r_speeds_string), "org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n", r_view.origin[0], r_view.origin[1], r_view.origin[2], r_view.forward[0], r_view.forward[1], r_view.forward[2]);
540                 sprintf(r_speeds_string + strlen(r_speeds_string), "%5i entities%6i surfaces%6i triangles%5i leafs%5i portals%6i particles\n", r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles, r_refdef.stats.world_leafs, r_refdef.stats.world_portals, r_refdef.stats.particles);
541                 sprintf(r_speeds_string + strlen(r_speeds_string), "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n", r_refdef.stats.lights, r_refdef.stats.lights_clears, r_refdef.stats.lights_scissored, r_refdef.stats.lights_lighttriangles, r_refdef.stats.lights_shadowtriangles, r_refdef.stats.lights_dynamicshadowtriangles);
542                 if (r_refdef.stats.bloom)
543                         sprintf(r_speeds_string + strlen(r_speeds_string), "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels);
544                 else
545                         sprintf(r_speeds_string + strlen(r_speeds_string), "rendered%6i meshes%8i triangles\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3);
546
547                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
548
549                 if (r_speeds.integer >= 2)
550                 {
551                         r_timereport_active = true;
552                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
553                 }
554         }
555 }
556
557 /*
558 =================
559 SCR_SizeUp_f
560
561 Keybinding command
562 =================
563 */
564 void SCR_SizeUp_f (void)
565 {
566         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
567 }
568
569
570 /*
571 =================
572 SCR_SizeDown_f
573
574 Keybinding command
575 =================
576 */
577 void SCR_SizeDown_f (void)
578 {
579         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
580 }
581
582 void CL_Screen_Init(void)
583 {
584         Cvar_RegisterVariable (&scr_fov);
585         Cvar_RegisterVariable (&scr_viewsize);
586         Cvar_RegisterVariable (&scr_conalpha);
587         Cvar_RegisterVariable (&scr_conbrightness);
588         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
589         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
590         Cvar_RegisterVariable (&scr_showram);
591         Cvar_RegisterVariable (&scr_showturtle);
592         Cvar_RegisterVariable (&scr_showpause);
593         Cvar_RegisterVariable (&scr_showbrand);
594         Cvar_RegisterVariable (&scr_centertime);
595         Cvar_RegisterVariable (&scr_printspeed);
596         Cvar_RegisterVariable (&vid_conwidth);
597         Cvar_RegisterVariable (&vid_conheight);
598         Cvar_RegisterVariable (&vid_pixelheight);
599         Cvar_RegisterVariable (&scr_screenshot_jpeg);
600         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
601         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
602         Cvar_RegisterVariable (&cl_capturevideo);
603         Cvar_RegisterVariable (&cl_capturevideo_realtime);
604         Cvar_RegisterVariable (&cl_capturevideo_fps);
605         Cvar_RegisterVariable (&cl_capturevideo_number);
606         Cvar_RegisterVariable (&r_letterbox);
607         Cvar_RegisterVariable(&r_stereo_separation);
608         Cvar_RegisterVariable(&r_stereo_sidebyside);
609         Cvar_RegisterVariable(&r_stereo_redblue);
610         Cvar_RegisterVariable(&r_stereo_redcyan);
611         Cvar_RegisterVariable(&r_stereo_redgreen);
612         Cvar_RegisterVariable(&scr_zoomwindow);
613         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
614         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
615         Cvar_RegisterVariable(&scr_zoomwindow_fov);
616         Cvar_RegisterVariable(&scr_stipple);
617
618         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
619         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
620         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
621         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
622
623         scr_initialized = true;
624 }
625
626 /*
627 ==================
628 SCR_ScreenShot_f
629 ==================
630 */
631 void SCR_ScreenShot_f (void)
632 {
633         static int shotnumber;
634         static char oldname[MAX_QPATH];
635         char base[MAX_QPATH];
636         char filename[MAX_QPATH];
637         unsigned char *buffer1;
638         unsigned char *buffer2;
639         unsigned char *buffer3;
640         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
641
642         sprintf (base, "screenshots/%s", scr_screenshot_name.string);
643
644         if (strcmp (oldname, scr_screenshot_name.string))
645         {
646                 sprintf(oldname, "%s", scr_screenshot_name.string);
647                 shotnumber = 0;
648         }
649
650         // find a file name to save it to
651         for (;shotnumber < 1000000;shotnumber++)
652                 if (!FS_SysFileExists(va("%s/%s%06d.tga", fs_gamedir, base, shotnumber)) && !FS_SysFileExists(va("%s/%s%06d.jpg", fs_gamedir, base, shotnumber)))
653                         break;
654         if (shotnumber >= 1000000)
655         {
656                 Con_Print("SCR_ScreenShot_f: Couldn't create the image file\n");
657                 return;
658         }
659
660         sprintf(filename, "%s%06d.%s", base, shotnumber, jpeg ? "jpg" : "tga");
661
662         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
663         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
664         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
665
666         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
667                 Con_Printf("Wrote %s\n", filename);
668         else
669                 Con_Printf("unable to write %s\n", filename);
670
671         Mem_Free (buffer1);
672         Mem_Free (buffer2);
673         Mem_Free (buffer3);
674
675         shotnumber++;
676 }
677
678 static void SCR_CaptureVideo_RIFF_Start(void)
679 {
680         memset(&cls.capturevideo.riffbuffer, 0, sizeof(sizebuf_t));
681         cls.capturevideo.riffbuffer.maxsize = sizeof(cls.capturevideo.riffbufferdata);
682         cls.capturevideo.riffbuffer.data = cls.capturevideo.riffbufferdata;
683 }
684
685 static void SCR_CaptureVideo_RIFF_Flush(void)
686 {
687         if (cls.capturevideo.riffbuffer.cursize > 0)
688         {
689                 if (!FS_Write(cls.capturevideo.videofile, cls.capturevideo.riffbuffer.data, cls.capturevideo.riffbuffer.cursize))
690                         cls.capturevideo.error = true;
691                 cls.capturevideo.riffbuffer.cursize = 0;
692                 cls.capturevideo.riffbuffer.overflowed = false;
693         }
694 }
695
696 static void SCR_CaptureVideo_RIFF_WriteBytes(const unsigned char *data, size_t size)
697 {
698         SCR_CaptureVideo_RIFF_Flush();
699         if (!FS_Write(cls.capturevideo.videofile, data, size))
700                 cls.capturevideo.error = true;
701 }
702
703 static void SCR_CaptureVideo_RIFF_Write32(int n)
704 {
705         if (cls.capturevideo.riffbuffer.cursize + 4 > cls.capturevideo.riffbuffer.maxsize)
706                 SCR_CaptureVideo_RIFF_Flush();
707         MSG_WriteLong(&cls.capturevideo.riffbuffer, n);
708 }
709
710 static void SCR_CaptureVideo_RIFF_Write16(int n)
711 {
712         if (cls.capturevideo.riffbuffer.cursize + 2 > cls.capturevideo.riffbuffer.maxsize)
713                 SCR_CaptureVideo_RIFF_Flush();
714         MSG_WriteShort(&cls.capturevideo.riffbuffer, n);
715 }
716
717 static void SCR_CaptureVideo_RIFF_WriteFourCC(const char *chunkfourcc)
718 {
719         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(chunkfourcc) > cls.capturevideo.riffbuffer.maxsize)
720                 SCR_CaptureVideo_RIFF_Flush();
721         MSG_WriteUnterminatedString(&cls.capturevideo.riffbuffer, chunkfourcc);
722 }
723
724 static void SCR_CaptureVideo_RIFF_WriteTerminatedString(const char *string)
725 {
726         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(string) > cls.capturevideo.riffbuffer.maxsize)
727                 SCR_CaptureVideo_RIFF_Flush();
728         MSG_WriteString(&cls.capturevideo.riffbuffer, string);
729 }
730
731 static fs_offset_t SCR_CaptureVideo_RIFF_GetPosition(void)
732 {
733         SCR_CaptureVideo_RIFF_Flush();
734         return FS_Tell(cls.capturevideo.videofile);
735 }
736
737 static void SCR_CaptureVideo_RIFF_Push(const char *chunkfourcc, const char *listtypefourcc)
738 {
739         SCR_CaptureVideo_RIFF_WriteFourCC(chunkfourcc);
740         SCR_CaptureVideo_RIFF_Write32(0);
741         SCR_CaptureVideo_RIFF_Flush();
742         cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel++] = SCR_CaptureVideo_RIFF_GetPosition();
743         if (listtypefourcc)
744                 SCR_CaptureVideo_RIFF_WriteFourCC(listtypefourcc);
745 }
746
747 static void SCR_CaptureVideo_RIFF_Pop(void)
748 {
749         fs_offset_t offset;
750         int x;
751         unsigned char sizebytes[4];
752         // write out the chunk size and then return to the current file position
753         cls.capturevideo.riffstacklevel--;
754         offset = SCR_CaptureVideo_RIFF_GetPosition();
755         x = (int)(offset - (cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel]));
756         sizebytes[0] = (x) & 0xff;sizebytes[1] = (x >> 8) & 0xff;sizebytes[2] = (x >> 16) & 0xff;sizebytes[3] = (x >> 24) & 0xff;
757         FS_Seek(cls.capturevideo.videofile, -(x + 4), SEEK_END);
758         FS_Write(cls.capturevideo.videofile, sizebytes, 4);
759         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
760         if (offset & 1)
761         {
762                 unsigned char c = 0;
763                 FS_Write(cls.capturevideo.videofile, &c, 1);
764         }
765 }
766
767 static void SCR_CaptureVideo_RIFF_IndexEntry(const char *chunkfourcc, int chunksize, int flags)
768 {
769         if (cls.capturevideo.riffstacklevel != 2)
770                 Sys_Error("SCR_Capturevideo_RIFF_IndexEntry: RIFF stack level is %i (should be 2)\n", cls.capturevideo.riffstacklevel);
771         if (cls.capturevideo.riffindexbuffer.cursize + 16 > cls.capturevideo.riffindexbuffer.maxsize)
772         {
773                 int oldsize = cls.capturevideo.riffindexbuffer.maxsize;
774                 unsigned char *olddata;
775                 olddata = cls.capturevideo.riffindexbuffer.data;
776                 cls.capturevideo.riffindexbuffer.maxsize = max(cls.capturevideo.riffindexbuffer.maxsize * 2, 4096);
777                 cls.capturevideo.riffindexbuffer.data = Mem_Alloc(tempmempool, cls.capturevideo.riffindexbuffer.maxsize);
778                 if (olddata)
779                 {
780                         memcpy(cls.capturevideo.riffindexbuffer.data, olddata, oldsize);
781                         Mem_Free(olddata);
782                 }
783         }
784         MSG_WriteUnterminatedString(&cls.capturevideo.riffindexbuffer, chunkfourcc);
785         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, flags);
786         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, (int)FS_Tell(cls.capturevideo.videofile) - cls.capturevideo.riffstackstartoffset[1]);
787         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, chunksize);
788 }
789
790 static void SCR_CaptureVideo_RIFF_Finish(void)
791 {
792         // close the "movi" list
793         SCR_CaptureVideo_RIFF_Pop();
794         // write the idx1 chunk that we've been building while saving the frames
795         SCR_CaptureVideo_RIFF_Push("idx1", NULL);
796         SCR_CaptureVideo_RIFF_WriteBytes(cls.capturevideo.riffindexbuffer.data, cls.capturevideo.riffindexbuffer.cursize);
797         SCR_CaptureVideo_RIFF_Pop();
798         cls.capturevideo.riffindexbuffer.cursize = 0;
799         // pop the RIFF chunk itself
800         while (cls.capturevideo.riffstacklevel > 0)
801                 SCR_CaptureVideo_RIFF_Pop();
802         SCR_CaptureVideo_RIFF_Flush();
803 }
804
805 static void SCR_CaptureVideo_RIFF_OverflowCheck(int framesize)
806 {
807         fs_offset_t cursize;
808         if (cls.capturevideo.riffstacklevel != 2)
809                 Sys_Error("SCR_CaptureVideo_RIFF_OverflowCheck: chunk stack leakage!\n");
810         // check where we are in the file
811         SCR_CaptureVideo_RIFF_Flush();
812         cursize = SCR_CaptureVideo_RIFF_GetPosition() - cls.capturevideo.riffstackstartoffset[0];
813         // if this would overflow the windows limit of 1GB per RIFF chunk, we need
814         // to close the current RIFF chunk and open another for future frames
815         if (8 + cursize + framesize > 1<<30)
816         {
817                 SCR_CaptureVideo_RIFF_Finish();
818                 while (cls.capturevideo.riffstacklevel > 0)
819                         SCR_CaptureVideo_RIFF_Pop();
820                 // begin a new 1GB extended section of the AVI
821                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVIX");
822                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
823         }
824 }
825
826 void SCR_CaptureVideo_BeginVideo(void)
827 {
828         double gamma, g;
829         int width = vid.width, height = vid.height, x;
830         unsigned int i;
831         if (cls.capturevideo.active)
832                 return;
833         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
834         // soundrate is figured out on the first SoundFrame
835         cls.capturevideo.active = true;
836         cls.capturevideo.starttime = Sys_DoubleTime();
837         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1000);
838         cls.capturevideo.soundrate = S_GetSoundRate();
839         cls.capturevideo.frame = 0;
840         cls.capturevideo.soundsampleframe = 0;
841         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
842         cls.capturevideo.buffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (3+3+3) + 18);
843         gamma = 1.0/scr_screenshot_gammaboost.value;
844         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/dpvideo%03i", cl_capturevideo_number.integer);
845         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
846
847         /*
848         for (i = 0;i < 256;i++)
849         {
850                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
851                 cls.capturevideo.rgbgammatable[0][i] = j;
852                 cls.capturevideo.rgbgammatable[1][i] = j;
853                 cls.capturevideo.rgbgammatable[2][i] = j;
854         }
855         */
856 /*
857 R = Y + 1.4075 * (Cr - 128);
858 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
859 B = Y + 1.7790 * (Cb - 128);
860 Y = R *  .299 + G *  .587 + B *  .114;
861 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
862 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
863 */
864         for (i = 0;i < 256;i++)
865         {
866                 g = 255*pow(i/255.0, gamma);
867                 // Y weights from RGB
868                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(g *  0.299);
869                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
870                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(g *  0.114);
871                 // Cb weights from RGB
872                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(g * -0.169);
873                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
874                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(g *  0.500);
875                 // Cr weights from RGB
876                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(g *  0.500);
877                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
878                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(g * -0.0813);
879                 // range reduction of YCbCr to valid signal range
880                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
881                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
882                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
883         }
884
885         //if (cl_capturevideo_)
886         //{
887         //}
888         //else
889         {
890                 cls.capturevideo.format = CAPTUREVIDEOFORMAT_AVI_I420;
891                 cls.capturevideo.videofile = FS_Open (va("%s.avi", cls.capturevideo.basename), "wb", false, true);
892                 SCR_CaptureVideo_RIFF_Start();
893                 // enclosing RIFF chunk (there can be multiple of these in >1GB files, the later ones are "AVIX" instead of "AVI " and have no header/stream info)
894                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVI ");
895                 // AVI main header
896                 SCR_CaptureVideo_RIFF_Push("LIST", "hdrl");
897                 SCR_CaptureVideo_RIFF_Push("avih", NULL);
898                 SCR_CaptureVideo_RIFF_Write32((int)(1000000.0 / cls.capturevideo.framerate)); // microseconds per frame
899                 SCR_CaptureVideo_RIFF_Write32(0); // max bytes per second
900                 SCR_CaptureVideo_RIFF_Write32(0); // padding granularity
901                 SCR_CaptureVideo_RIFF_Write32(0x910); // flags (AVIF_HASINDEX | AVIF_ISINTERLEAVED | AVIF_TRUSTCKTYPE)
902                 cls.capturevideo.videofile_totalframes_offset1 = SCR_CaptureVideo_RIFF_GetPosition();
903                 SCR_CaptureVideo_RIFF_Write32(0); // total frames
904                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
905                 if (cls.capturevideo.soundrate)
906                         SCR_CaptureVideo_RIFF_Write32(2); // number of streams
907                 else
908                         SCR_CaptureVideo_RIFF_Write32(1); // number of streams
909                 SCR_CaptureVideo_RIFF_Write32(0); // suggested buffer size
910                 SCR_CaptureVideo_RIFF_Write32(width); // width
911                 SCR_CaptureVideo_RIFF_Write32(height); // height
912                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[0]
913                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[1]
914                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[2]
915                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[3]
916                 SCR_CaptureVideo_RIFF_Pop();
917                 // video stream info
918                 SCR_CaptureVideo_RIFF_Push("LIST", "strl");
919                 SCR_CaptureVideo_RIFF_Push("strh", "vids");
920                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // stream fourcc (I420 colorspace, uncompressed)
921                 SCR_CaptureVideo_RIFF_Write32(0); // flags
922                 SCR_CaptureVideo_RIFF_Write16(0); // priority
923                 SCR_CaptureVideo_RIFF_Write16(0); // language
924                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
925                 // find an ideal divisor for the framerate
926                 for (x = 1;x < 1000;x++)
927                         if (cls.capturevideo.framerate * x == floor(cls.capturevideo.framerate * x))
928                                 break;
929                 SCR_CaptureVideo_RIFF_Write32(x); // samples/second divisor
930                 SCR_CaptureVideo_RIFF_Write32((int)(cls.capturevideo.framerate * x)); // samples/second multiplied by divisor
931                 SCR_CaptureVideo_RIFF_Write32(0); // start
932                 cls.capturevideo.videofile_totalframes_offset2 = SCR_CaptureVideo_RIFF_GetPosition();
933                 SCR_CaptureVideo_RIFF_Write32(0); // length
934                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // suggested buffer size
935                 SCR_CaptureVideo_RIFF_Write32(0); // quality
936                 SCR_CaptureVideo_RIFF_Write32(0); // sample size
937                 SCR_CaptureVideo_RIFF_Write16(0); // frame left
938                 SCR_CaptureVideo_RIFF_Write16(0); // frame top
939                 SCR_CaptureVideo_RIFF_Write16(width); // frame right
940                 SCR_CaptureVideo_RIFF_Write16(height); // frame bottom
941                 SCR_CaptureVideo_RIFF_Pop();
942                 // video stream format
943                 SCR_CaptureVideo_RIFF_Push("strf", NULL);
944                 SCR_CaptureVideo_RIFF_Write32(40); // BITMAPINFO struct size
945                 SCR_CaptureVideo_RIFF_Write32(width); // width
946                 SCR_CaptureVideo_RIFF_Write32(height); // height
947                 SCR_CaptureVideo_RIFF_Write16(3); // planes
948                 SCR_CaptureVideo_RIFF_Write16(12); // bitcount
949                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // compression
950                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // size of image
951                 SCR_CaptureVideo_RIFF_Write32(0); // x pixels per meter
952                 SCR_CaptureVideo_RIFF_Write32(0); // y pixels per meter
953                 SCR_CaptureVideo_RIFF_Write32(0); // color used
954                 SCR_CaptureVideo_RIFF_Write32(0); // color important
955                 SCR_CaptureVideo_RIFF_Pop();
956                 SCR_CaptureVideo_RIFF_Pop();
957                 if (cls.capturevideo.soundrate)
958                 {
959                         // audio stream info
960                         SCR_CaptureVideo_RIFF_Push("LIST", "strl");
961                         SCR_CaptureVideo_RIFF_Push("strh", "auds");
962                         SCR_CaptureVideo_RIFF_Write32(1); // stream fourcc (PCM audio, uncompressed)
963                         SCR_CaptureVideo_RIFF_Write32(0); // flags
964                         SCR_CaptureVideo_RIFF_Write16(0); // priority
965                         SCR_CaptureVideo_RIFF_Write16(0); // language
966                         SCR_CaptureVideo_RIFF_Write32(0); // initial frames
967                         SCR_CaptureVideo_RIFF_Write32(1); // samples/second divisor
968                         SCR_CaptureVideo_RIFF_Write32((int)(cls.capturevideo.soundrate)); // samples/second multiplied by divisor
969                         SCR_CaptureVideo_RIFF_Write32(0); // start
970                         cls.capturevideo.videofile_totalsampleframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
971                         SCR_CaptureVideo_RIFF_Write32(0); // length
972                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 2); // suggested buffer size (this is a half second)
973                         SCR_CaptureVideo_RIFF_Write32(0); // quality
974                         SCR_CaptureVideo_RIFF_Write32(4); // sample size
975                         SCR_CaptureVideo_RIFF_Write16(0); // frame left
976                         SCR_CaptureVideo_RIFF_Write16(0); // frame top
977                         SCR_CaptureVideo_RIFF_Write16(0); // frame right
978                         SCR_CaptureVideo_RIFF_Write16(0); // frame bottom
979                         SCR_CaptureVideo_RIFF_Pop();
980                         // audio stream format
981                         SCR_CaptureVideo_RIFF_Push("strf", NULL);
982                         SCR_CaptureVideo_RIFF_Write16(1); // format (uncompressed PCM?)
983                         SCR_CaptureVideo_RIFF_Write16(2); // channels (stereo)
984                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate); // sampleframes per second
985                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 4); // average bytes per second
986                         SCR_CaptureVideo_RIFF_Write16(4); // block align
987                         SCR_CaptureVideo_RIFF_Write16(16); // bits per sample
988                         SCR_CaptureVideo_RIFF_Write16(0); // size
989                         SCR_CaptureVideo_RIFF_Pop();
990                         SCR_CaptureVideo_RIFF_Pop();
991                 }
992                 // close the AVI header list
993                 SCR_CaptureVideo_RIFF_Pop();
994                 // software that produced this AVI video file
995                 SCR_CaptureVideo_RIFF_Push("LIST", "INFO");
996                 SCR_CaptureVideo_RIFF_Push("ISFT", NULL);
997                 SCR_CaptureVideo_RIFF_WriteTerminatedString(engineversion);
998                 SCR_CaptureVideo_RIFF_Pop();
999                 // enable this junk filler if you like the LIST movi to always begin at 4KB in the file (why?)
1000 #if 0
1001                 SCR_CaptureVideo_RIFF_Push("JUNK", NULL);
1002                 x = 4096 - SCR_CaptureVideo_RIFF_GetPosition();
1003                 while (x > 0)
1004                 {
1005                         const char *junkfiller = "[ DarkPlaces junk data ]";
1006                         int i = min(x, (int)strlen(junkfiller));
1007                         SCR_CaptureVideo_RIFF_WriteBytes((const unsigned char *)junkfiller, i);
1008                         x -= i;
1009                 }
1010                 SCR_CaptureVideo_RIFF_Pop();
1011 #endif
1012                 SCR_CaptureVideo_RIFF_Pop();
1013                 // begin the actual video section now
1014                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1015                 // we're done with the headers now...
1016                 SCR_CaptureVideo_RIFF_Flush();
1017                 if (cls.capturevideo.riffstacklevel != 2)
1018                         Sys_Error("SCR_CaptureVideo_BeginVideo: broken AVI writing code (stack level is %i (should be 2) at end of headers)\n", cls.capturevideo.riffstacklevel);
1019         }
1020
1021         switch(cls.capturevideo.format)
1022         {
1023         case CAPTUREVIDEOFORMAT_AVI_I420:
1024                 break;
1025         default:
1026                 break;
1027         }
1028 }
1029
1030 void SCR_CaptureVideo_EndVideo(void)
1031 {
1032         if (!cls.capturevideo.active)
1033                 return;
1034         cls.capturevideo.active = false;
1035         if (cls.capturevideo.videofile)
1036         {
1037                 switch(cls.capturevideo.format)
1038                 {
1039                 case CAPTUREVIDEOFORMAT_AVI_I420:
1040                         // close any open chunks
1041                         SCR_CaptureVideo_RIFF_Finish();
1042                         // go back and fix the video frames and audio samples fields
1043                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset1, SEEK_SET);
1044                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1045                         SCR_CaptureVideo_RIFF_Flush();
1046                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset2, SEEK_SET);
1047                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1048                         SCR_CaptureVideo_RIFF_Flush();
1049                         if (cls.capturevideo.soundrate)
1050                         {
1051                                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalsampleframes_offset, SEEK_SET);
1052                                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundsampleframe);
1053                                 SCR_CaptureVideo_RIFF_Flush();
1054                         }
1055                         break;
1056                 default:
1057                         break;
1058                 }
1059                 FS_Close(cls.capturevideo.videofile);
1060                 cls.capturevideo.videofile = NULL;
1061         }
1062
1063         if (cls.capturevideo.buffer)
1064         {
1065                 Mem_Free (cls.capturevideo.buffer);
1066                 cls.capturevideo.buffer = NULL;
1067         }
1068
1069         if (cls.capturevideo.riffindexbuffer.data)
1070         {
1071                 Mem_Free(cls.capturevideo.riffindexbuffer.data);
1072                 cls.capturevideo.riffindexbuffer.data = NULL;
1073         }
1074
1075         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1076 }
1077
1078 // converts from RGB24 to I420 colorspace (identical to YV12 except chroma plane order is reversed), this colorspace is handled by the Intel(r) 4:2:0 codec on Windows
1079 void SCR_CaptureVideo_ConvertFrame_RGB_to_I420_flip(int width, int height, unsigned char *instart, unsigned char *outstart)
1080 {
1081         int x, y;
1082         int outoffset = (width/2)*(height/2);
1083         unsigned char *b, *out;
1084         // process one line at a time, and CbCr every other line at 2 pixel intervals
1085         for (y = 0;y < height;y++)
1086         {
1087                 // 1x1 Y
1088                 for (b = instart + (height-1-y)*width*3, out = outstart + y*width, x = 0;x < width;x++, b += 3, out++)
1089                         *out = cls.capturevideo.yuvnormalizetable[0][cls.capturevideo.rgbtoyuvscaletable[0][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[0][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[0][2][b[2]]];
1090                 if ((y & 1) == 0)
1091                 {
1092                         // 2x2 Cr and Cb planes
1093 #if 0
1094                         // low quality, no averaging
1095                         for (b = instart + (height-2-y)*width*3, out = outstart + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 6, out++)
1096                         {
1097                                 // Cr
1098                                 out[0        ] = cls.capturevideo.yuvnormalizetable[1][cls.capturevideo.rgbtoyuvscaletable[1][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[1][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[1][2][b[2]] + 128];
1099                                 // Cb
1100                                 out[outoffset] = cls.capturevideo.yuvnormalizetable[2][cls.capturevideo.rgbtoyuvscaletable[2][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[2][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[2][2][b[2]] + 128];
1101                         }
1102 #else
1103                         // high quality, averaging
1104                         int inpitch = width*3;
1105                         for (b = instart + (height-2-y)*width*3, out = outstart + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 6, out++)
1106                         {
1107                                 int blockr, blockg, blockb;
1108                                 blockr = (b[0] + b[3] + b[inpitch+0] + b[inpitch+3]) >> 2;
1109                                 blockg = (b[1] + b[4] + b[inpitch+1] + b[inpitch+4]) >> 2;
1110                                 blockb = (b[2] + b[5] + b[inpitch+2] + b[inpitch+5]) >> 2;
1111                                 // Cr
1112                                 out[0        ] = cls.capturevideo.yuvnormalizetable[1][cls.capturevideo.rgbtoyuvscaletable[1][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[1][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[1][2][blockb] + 128];
1113                                 // Cb
1114                                 out[outoffset] = cls.capturevideo.yuvnormalizetable[2][cls.capturevideo.rgbtoyuvscaletable[2][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[2][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[2][2][blockb] + 128];
1115                         }
1116 #endif
1117                 }
1118         }
1119 }
1120
1121 qboolean SCR_CaptureVideo_VideoFrame(int newframenum)
1122 {
1123         int x = 0, y = 0, width = vid.width, height = vid.height;
1124         unsigned char *in, *out;
1125         CHECKGLERROR
1126         //return SCR_ScreenShot(filename, cls.capturevideo.buffer, cls.capturevideo.buffer + vid.width * vid.height * 3, cls.capturevideo.buffer + vid.width * vid.height * 6, 0, 0, vid.width, vid.height, false, false, false, jpeg, true);
1127         // speed is critical here, so do saving as directly as possible
1128         switch (cls.capturevideo.format)
1129         {
1130         case CAPTUREVIDEOFORMAT_AVI_I420:
1131                 // if there's no videofile we have to just give up, and abort saving
1132                 if (!cls.capturevideo.videofile)
1133                         return false;
1134                 // FIXME: width/height must be multiple of 2, enforce this?
1135                 qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, cls.capturevideo.buffer);CHECKGLERROR
1136                 in = cls.capturevideo.buffer;
1137                 out = cls.capturevideo.buffer + width*height*3;
1138                 SCR_CaptureVideo_ConvertFrame_RGB_to_I420_flip(width, height, in, out);
1139                 x = width*height+(width/2)*(height/2)*2;
1140                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1141                 for (;cls.capturevideo.frame < newframenum;cls.capturevideo.frame++)
1142                 {
1143                         SCR_CaptureVideo_RIFF_IndexEntry("00dc", x, 0x10); // AVIIF_KEYFRAME
1144                         SCR_CaptureVideo_RIFF_Push("00dc", NULL);
1145                         SCR_CaptureVideo_RIFF_WriteBytes(out, x);
1146                         SCR_CaptureVideo_RIFF_Pop();
1147                 }
1148                 return true;
1149         default:
1150                 return false;
1151         }
1152 }
1153
1154 void SCR_CaptureVideo_SoundFrame(unsigned char *bufstereo16le, size_t length, int rate)
1155 {
1156         int x;
1157         cls.capturevideo.soundrate = rate;
1158         cls.capturevideo.soundsampleframe += length;
1159         switch (cls.capturevideo.format)
1160         {
1161         case CAPTUREVIDEOFORMAT_AVI_I420:
1162                 x = length*4;
1163                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1164                 SCR_CaptureVideo_RIFF_IndexEntry("01wb", x, 0x10); // AVIIF_KEYFRAME
1165                 SCR_CaptureVideo_RIFF_Push("01wb", NULL);
1166                 SCR_CaptureVideo_RIFF_WriteBytes(bufstereo16le, x);
1167                 SCR_CaptureVideo_RIFF_Pop();
1168                 break;
1169         default:
1170                 break;
1171         }
1172 }
1173
1174 void SCR_CaptureVideo(void)
1175 {
1176         int newframenum;
1177         if (cl_capturevideo.integer && r_render.integer)
1178         {
1179                 if (!cls.capturevideo.active)
1180                         SCR_CaptureVideo_BeginVideo();
1181                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value)
1182                 {
1183                         Con_Printf("You can not change the video framerate while recording a video.\n");
1184                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate);
1185                 }
1186                 // for AVI saving we have to make sure that sound is saved before video
1187                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1188                         return;
1189                 if (cls.capturevideo.realtime)
1190                 {
1191                         // preserve sound sync by duplicating frames when running slow
1192                         newframenum = (int)((Sys_DoubleTime() - cls.capturevideo.starttime) * cls.capturevideo.framerate);
1193                 }
1194                 else
1195                         newframenum = cls.capturevideo.frame + 1;
1196                 // if falling behind more than one second, stop
1197                 if (newframenum - cls.capturevideo.frame > (int)ceil(cls.capturevideo.framerate))
1198                 {
1199                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1200                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1201                         SCR_CaptureVideo_EndVideo();
1202                         return;
1203                 }
1204                 // write frames
1205                 SCR_CaptureVideo_VideoFrame(newframenum);
1206                 if (cls.capturevideo.error)
1207                 {
1208                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1209                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1210                         SCR_CaptureVideo_EndVideo();
1211                 }
1212         }
1213         else if (cls.capturevideo.active)
1214                 SCR_CaptureVideo_EndVideo();
1215 }
1216
1217 /*
1218 ===============
1219 R_Envmap_f
1220
1221 Grab six views for environment mapping tests
1222 ===============
1223 */
1224 struct envmapinfo_s
1225 {
1226         float angles[3];
1227         char *name;
1228         qboolean flipx, flipy, flipdiagonaly;
1229 }
1230 envmapinfo[12] =
1231 {
1232         {{  0,   0, 0}, "rt", false, false, false},
1233         {{  0, 270, 0}, "ft", false, false, false},
1234         {{  0, 180, 0}, "lf", false, false, false},
1235         {{  0,  90, 0}, "bk", false, false, false},
1236         {{-90, 180, 0}, "up",  true,  true, false},
1237         {{ 90, 180, 0}, "dn",  true,  true, false},
1238
1239         {{  0,   0, 0}, "px",  true,  true,  true},
1240         {{  0,  90, 0}, "py", false,  true, false},
1241         {{  0, 180, 0}, "nx", false, false,  true},
1242         {{  0, 270, 0}, "ny",  true, false, false},
1243         {{-90, 180, 0}, "pz", false, false,  true},
1244         {{ 90, 180, 0}, "nz", false, false,  true}
1245 };
1246
1247 static void R_Envmap_f (void)
1248 {
1249         int j, size;
1250         char filename[MAX_QPATH], basename[MAX_QPATH];
1251         unsigned char *buffer1;
1252         unsigned char *buffer2;
1253         unsigned char *buffer3;
1254
1255         if (Cmd_Argc() != 3)
1256         {
1257                 Con_Print("envmap <basename> <size>: save out 6 cubic environment map images, usable with loadsky, note that size must one of 128, 256, 512, or 1024 and can't be bigger than your current resolution\n");
1258                 return;
1259         }
1260
1261         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1262         size = atoi(Cmd_Argv(2));
1263         if (size != 128 && size != 256 && size != 512 && size != 1024)
1264         {
1265                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1266                 return;
1267         }
1268         if (size > vid.width || size > vid.height)
1269         {
1270                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1271                 return;
1272         }
1273
1274         r_refdef.envmap = true;
1275
1276         R_UpdateVariables();
1277
1278         r_view.x = 0;
1279         r_view.y = 0;
1280         r_view.z = 0;
1281         r_view.width = size;
1282         r_view.height = size;
1283         r_view.depth = 1;
1284
1285         r_view.frustum_x = tan(90 * M_PI / 360.0);
1286         r_view.frustum_y = tan(90 * M_PI / 360.0);
1287
1288         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1289         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1290         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1291
1292         for (j = 0;j < 12;j++)
1293         {
1294                 sprintf(filename, "env/%s%s.tga", basename, envmapinfo[j].name);
1295                 Matrix4x4_CreateFromQuakeEntity(&r_view.matrix, r_view.origin[0], r_view.origin[1], r_view.origin[2], envmapinfo[j].angles[0], envmapinfo[j].angles[1], envmapinfo[j].angles[2], 1);
1296                 R_ClearScreen();
1297                 R_Mesh_Start();
1298                 R_RenderView();
1299                 R_Mesh_Finish();
1300                 SCR_ScreenShot(filename, buffer1, buffer2, buffer3, 0, vid.height - (r_view.y + r_view.height), size, size, envmapinfo[j].flipx, envmapinfo[j].flipy, envmapinfo[j].flipdiagonaly, false, false);
1301         }
1302
1303         Mem_Free (buffer1);
1304         Mem_Free (buffer2);
1305         Mem_Free (buffer3);
1306
1307         r_refdef.envmap = false;
1308 }
1309
1310 //=============================================================================
1311
1312 // LordHavoc: SHOWLMP stuff
1313 #define SHOWLMP_MAXLABELS 256
1314 typedef struct showlmp_s
1315 {
1316         qboolean        isactive;
1317         float           x;
1318         float           y;
1319         char            label[32];
1320         char            pic[128];
1321 }
1322 showlmp_t;
1323
1324 showlmp_t showlmp[SHOWLMP_MAXLABELS];
1325
1326 void SHOWLMP_decodehide(void)
1327 {
1328         int i;
1329         char *lmplabel;
1330         lmplabel = MSG_ReadString();
1331         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1332                 if (showlmp[i].isactive && strcmp(showlmp[i].label, lmplabel) == 0)
1333                 {
1334                         showlmp[i].isactive = false;
1335                         return;
1336                 }
1337 }
1338
1339 void SHOWLMP_decodeshow(void)
1340 {
1341         int i, k;
1342         char lmplabel[256], picname[256];
1343         float x, y;
1344         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1345         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1346         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1347         {
1348                 x = MSG_ReadByte();
1349                 y = MSG_ReadByte();
1350         }
1351         else
1352         {
1353                 x = MSG_ReadShort();
1354                 y = MSG_ReadShort();
1355         }
1356         k = -1;
1357         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1358                 if (showlmp[i].isactive)
1359                 {
1360                         if (strcmp(showlmp[i].label, lmplabel) == 0)
1361                         {
1362                                 k = i;
1363                                 break; // drop out to replace it
1364                         }
1365                 }
1366                 else if (k < 0) // find first empty one to replace
1367                         k = i;
1368         if (k < 0)
1369                 return; // none found to replace
1370         // change existing one
1371         showlmp[k].isactive = true;
1372         strlcpy (showlmp[k].label, lmplabel, sizeof (showlmp[k].label));
1373         strlcpy (showlmp[k].pic, picname, sizeof (showlmp[k].pic));
1374         showlmp[k].x = x;
1375         showlmp[k].y = y;
1376 }
1377
1378 void SHOWLMP_drawall(void)
1379 {
1380         int i;
1381         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1382                 if (showlmp[i].isactive)
1383                         DrawQ_Pic(showlmp[i].x, showlmp[i].y, Draw_CachePic(showlmp[i].pic, true), 0, 0, 1, 1, 1, 1, 0);
1384 }
1385
1386 void SHOWLMP_clear(void)
1387 {
1388         int i;
1389         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1390                 showlmp[i].isactive = false;
1391 }
1392
1393 /*
1394 ==============================================================================
1395
1396                                                 SCREEN SHOTS
1397
1398 ==============================================================================
1399 */
1400
1401 qboolean SCR_ScreenShot(char *filename, unsigned char *buffer1, unsigned char *buffer2, unsigned char *buffer3, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg, qboolean gammacorrect)
1402 {
1403         int     indices[3] = {0,1,2};
1404         qboolean ret;
1405
1406         if (!r_render.integer)
1407                 return false;
1408
1409         CHECKGLERROR
1410         qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1411
1412         if (scr_screenshot_gammaboost.value != 1 && gammacorrect)
1413         {
1414                 int i;
1415                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1416                 unsigned char ramp[256];
1417                 for (i = 0;i < 256;i++)
1418                         ramp[i] = (unsigned char) (pow(i * (1.0 / 255.0), igamma) * 255.0);
1419                 for (i = 0;i < width*height*3;i++)
1420                         buffer1[i] = ramp[buffer1[i]];
1421         }
1422
1423         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1424
1425         if (jpeg)
1426                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1427         else
1428                 ret = Image_WriteTGARGB_preflipped (filename, width, height, buffer2, buffer3);
1429
1430         return ret;
1431 }
1432
1433 //=============================================================================
1434
1435 void R_ClearScreen(void)
1436 {
1437         // clear to black
1438         CHECKGLERROR
1439         if (r_refdef.fogenabled)
1440         {
1441                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1442         }
1443         else
1444         {
1445                 qglClearColor(0,0,0,0);CHECKGLERROR
1446         }
1447         qglClearDepth(1);CHECKGLERROR
1448         if (gl_stencil)
1449         {
1450                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1451                 // to avoid clamping interfering with strange shadow volume
1452                 // drawing orders
1453                 qglClearStencil(128);CHECKGLERROR
1454         }
1455         // clear the screen
1456         if (r_render.integer)
1457                 GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
1458         // set dithering mode
1459         if (gl_dither.integer)
1460         {
1461                 qglEnable(GL_DITHER);CHECKGLERROR
1462         }
1463         else
1464         {
1465                 qglDisable(GL_DITHER);CHECKGLERROR
1466         }
1467 }
1468
1469 qboolean CL_VM_UpdateView (void);
1470 void SCR_DrawConsole (void);
1471 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1472
1473 int r_stereo_side;
1474
1475 void SCR_DrawScreen (void)
1476 {
1477         R_Mesh_Start();
1478
1479         if (r_timereport_active)
1480                 R_TimeReport("setup");
1481
1482         R_UpdateVariables();
1483
1484         if (cls.signon == SIGNONS)
1485         {
1486                 float size;
1487
1488                 size = scr_viewsize.value * (1.0 / 100.0);
1489                 size = min(size, 1);
1490
1491                 if (r_stereo_sidebyside.integer)
1492                 {
1493                         r_view.width = (int)(vid.width * size / 2.5);
1494                         r_view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1495                         r_view.depth = 1;
1496                         r_view.x = (int)((vid.width - r_view.width * 2.5) * 0.5);
1497                         r_view.y = (int)((vid.height - r_view.height)/2);
1498                         r_view.z = 0;
1499                         if (r_stereo_side)
1500                                 r_view.x += (int)(r_view.width * 1.5);
1501                 }
1502                 else
1503                 {
1504                         r_view.width = (int)(vid.width * size);
1505                         r_view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1506                         r_view.depth = 1;
1507                         r_view.x = (int)((vid.width - r_view.width)/2);
1508                         r_view.y = (int)((vid.height - r_view.height)/2);
1509                         r_view.z = 0;
1510                 }
1511
1512                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1513                 // LordHavoc: this is designed to produce widescreen fov values
1514                 // when the screen is wider than 4/3 width/height aspect, to do
1515                 // this it simply assumes the requested fov is the vertical fov
1516                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1517                 // higher/lower according to the ratio
1518                 r_view.frustum_y = tan(scr_fov.value * cl.viewzoom * M_PI / 360.0) * (3.0/4.0);
1519                 r_view.frustum_x = r_view.frustum_y * (float)r_view.width / (float)r_view.height / vid_pixelheight.value;
1520
1521                 r_view.frustum_x *= r_refdef.frustumscale_x;
1522                 r_view.frustum_y *= r_refdef.frustumscale_y;
1523
1524                 if(!CL_VM_UpdateView())
1525                         R_RenderView();
1526                 else
1527                         SCR_DrawConsole();
1528
1529                 if (scr_zoomwindow.integer)
1530                 {
1531                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1532                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1533                         r_view.width = (int)(vid.width * sizex);
1534                         r_view.height = (int)(vid.height * sizey);
1535                         r_view.depth = 1;
1536                         r_view.x = (int)((vid.width - r_view.width)/2);
1537                         r_view.y = 0;
1538                         r_view.z = 0;
1539
1540                         r_view.frustum_y = tan(scr_zoomwindow_fov.value * cl.viewzoom * M_PI / 360.0) * (3.0/4.0);
1541                         r_view.frustum_x = r_view.frustum_y * vid_pixelheight.value * (float)r_view.width / (float)r_view.height;
1542
1543                         r_view.frustum_x *= r_refdef.frustumscale_x;
1544                         r_view.frustum_y *= r_refdef.frustumscale_y;
1545
1546                         if(!CL_VM_UpdateView())
1547                                 R_RenderView();
1548                 }
1549         }
1550
1551         if (!r_stereo_sidebyside.integer)
1552         {
1553                 r_view.width = vid.width;
1554                 r_view.height = vid.height;
1555                 r_view.depth = 1;
1556                 r_view.x = 0;
1557                 r_view.y = 0;
1558                 r_view.z = 0;
1559         }
1560
1561         // draw 2D stuff
1562
1563         //FIXME: force menu if nothing else to look at?
1564         //if (key_dest == key_game && cls.signon != SIGNONS && cls.state == ca_disconnected)
1565
1566         if (cls.signon == SIGNONS)
1567         {
1568                 SCR_DrawNet ();
1569                 SCR_DrawTurtle ();
1570                 SCR_DrawPause ();
1571                 if (!r_letterbox.value)
1572                         Sbar_Draw();
1573                 SHOWLMP_drawall();
1574                 SCR_CheckDrawCenterString();
1575         }
1576         MR_Draw();
1577         CL_DrawVideo();
1578         R_Shadow_EditLights_DrawSelectedLightProperties();
1579
1580         if(!csqc_loaded)
1581                 SCR_DrawConsole();
1582
1583         SCR_DrawBrand();
1584
1585         SCR_DrawDownload();
1586
1587         if (r_timereport_active)
1588                 R_TimeReport("2d");
1589
1590         if (cls.signon == SIGNONS)
1591                 R_TimeReport_Frame();
1592
1593         DrawQ_Finish();
1594
1595         R_DrawGamma();
1596
1597         R_Mesh_Finish();
1598
1599         if (r_timereport_active)
1600                 R_TimeReport("meshfinish");
1601 }
1602
1603 void SCR_UpdateLoadingScreen (qboolean clear)
1604 {
1605         float x, y;
1606         cachepic_t *pic;
1607         float vertex3f[12];
1608         float texcoord2f[8];
1609         // don't do anything if not initialized yet
1610         if (vid_hidden)
1611                 return;
1612         CHECKGLERROR
1613         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
1614         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1615         //qglDepthMask(1);CHECKGLERROR
1616         qglColorMask(1,1,1,1);CHECKGLERROR
1617         qglClearColor(0,0,0,0);CHECKGLERROR
1618         // when starting up a new video mode, make sure the screen is cleared to black
1619         if (clear)
1620         {
1621                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1622         }
1623         //qglDisable(GL_CULL_FACE);CHECKGLERROR
1624         //R_ClearScreen();
1625         R_Textures_Frame();
1626         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
1627         R_Mesh_Start();
1628         R_Mesh_Matrix(&identitymatrix);
1629         // draw the loading plaque
1630         pic = Draw_CachePic("gfx/loading", true);
1631         x = (vid_conwidth.integer - pic->width)/2;
1632         y = (vid_conheight.integer - pic->height)/2;
1633         GL_Color(1,1,1,1);
1634         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1635         GL_DepthTest(false);
1636         R_Mesh_VertexPointer(vertex3f);
1637         R_Mesh_ColorPointer(NULL);
1638         R_Mesh_ResetTextureState();
1639         R_Mesh_TexBind(0, R_GetTexture(pic->tex));
1640         R_Mesh_TexCoordPointer(0, 2, texcoord2f);
1641         vertex3f[2] = vertex3f[5] = vertex3f[8] = vertex3f[11] = 0;
1642         vertex3f[0] = vertex3f[9] = x;
1643         vertex3f[1] = vertex3f[4] = y;
1644         vertex3f[3] = vertex3f[6] = x + pic->width;
1645         vertex3f[7] = vertex3f[10] = y + pic->height;
1646         texcoord2f[0] = 0;texcoord2f[1] = 0;
1647         texcoord2f[2] = 1;texcoord2f[3] = 0;
1648         texcoord2f[4] = 1;texcoord2f[5] = 1;
1649         texcoord2f[6] = 0;texcoord2f[7] = 1;
1650         if (vid.stereobuffer)
1651         {
1652                 qglDrawBuffer(GL_FRONT_LEFT);
1653                 R_Mesh_Draw(0, 4, 2, polygonelements);
1654                 qglDrawBuffer(GL_FRONT_RIGHT);
1655                 R_Mesh_Draw(0, 4, 2, polygonelements);
1656         }
1657         else
1658         {
1659                 qglDrawBuffer(GL_FRONT);
1660                 R_Mesh_Draw(0, 4, 2, polygonelements);
1661         }
1662         R_Mesh_Finish();
1663         // refresh
1664         // not necessary when rendering to GL_FRONT buffers
1665         //VID_Finish(false);
1666 }
1667
1668 void CL_UpdateScreen(void)
1669 {
1670         float conwidth, conheight;
1671
1672         if (vid_hidden)
1673                 return;
1674
1675         if (!scr_initialized || !con_initialized || vid_hidden)
1676                 return;                         // not initialized yet
1677
1678         // don't allow cheats in multiplayer
1679         if (!cl.islocalgame && cl.worldmodel)
1680         {
1681                 if (r_fullbright.integer != 0)
1682                         Cvar_Set ("r_fullbright", "0");
1683                 if (r_ambient.value != 0)
1684                         Cvar_Set ("r_ambient", "0");
1685         }
1686
1687         conwidth = bound(320, vid_conwidth.value, 2048);
1688         conheight = bound(200, vid_conheight.value, 1536);
1689         if (vid_conwidth.value != conwidth)
1690                 Cvar_SetValue("vid_conwidth", conwidth);
1691         if (vid_conheight.value != conheight)
1692                 Cvar_SetValue("vid_conheight", conheight);
1693
1694         // bound viewsize
1695         if (scr_viewsize.value < 30)
1696                 Cvar_Set ("viewsize","30");
1697         if (scr_viewsize.value > 120)
1698                 Cvar_Set ("viewsize","120");
1699
1700         // bound field of view
1701         if (scr_fov.value < 1)
1702                 Cvar_Set ("fov","1");
1703         if (scr_fov.value > 170)
1704                 Cvar_Set ("fov","170");
1705
1706         // validate r_textureunits cvar
1707         if (r_textureunits.integer > gl_textureunits)
1708                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
1709         if (r_textureunits.integer < 1)
1710                 Cvar_SetValueQuick(&r_textureunits, 1);
1711
1712         // validate gl_combine cvar
1713         if (gl_combine.integer && !gl_combine_extension)
1714                 Cvar_SetValueQuick(&gl_combine, 0);
1715
1716         // intermission is always full screen
1717         if (cl.intermission)
1718                 sb_lines = 0;
1719         else
1720         {
1721                 if (scr_viewsize.value >= 120)
1722                         sb_lines = 0;           // no status bar at all
1723                 else if (scr_viewsize.value >= 110)
1724                         sb_lines = 24;          // no inventory
1725                 else
1726                         sb_lines = 24+16+8;
1727         }
1728
1729         r_view.colormask[0] = 1;
1730         r_view.colormask[1] = 1;
1731         r_view.colormask[2] = 1;
1732
1733         if (r_timereport_active)
1734                 R_TimeReport("other");
1735
1736         SCR_SetUpToDrawConsole();
1737
1738         if (r_timereport_active)
1739                 R_TimeReport("start");
1740
1741         CHECKGLERROR
1742         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
1743         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1744         qglDepthMask(1);CHECKGLERROR
1745         qglColorMask(1,1,1,1);CHECKGLERROR
1746         qglClearColor(0,0,0,0);CHECKGLERROR
1747         qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1748
1749         if(scr_stipple.integer)
1750         {
1751                 GLubyte stipple[128];
1752                 int i, s, width, parts;
1753                 static int frame = 0;
1754                 ++frame;
1755
1756                 s = scr_stipple.integer;
1757                 parts = (s & 007);
1758                 width = (s & 070) >> 3;
1759
1760                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
1761                 for(i = 0; i < 128; ++i)
1762                 {
1763                         int line = i/4;
1764                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
1765                 }
1766                 qglPolygonStipple(stipple);
1767         }
1768         else
1769                 qglDisable(GL_POLYGON_STIPPLE);
1770
1771         if (r_timereport_active)
1772                 R_TimeReport("clear");
1773
1774         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
1775         {
1776                 matrix4x4_t originalmatrix = r_view.matrix;
1777                 matrix4x4_t offsetmatrix;
1778                 Matrix4x4_CreateTranslate(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0);
1779                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
1780
1781                 if (r_stereo_sidebyside.integer)
1782                         r_stereo_side = 0;
1783
1784                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
1785                 {
1786                         r_view.colormask[0] = 1;
1787                         r_view.colormask[1] = 0;
1788                         r_view.colormask[2] = 0;
1789                 }
1790
1791                 if (vid.stereobuffer)
1792                         qglDrawBuffer(GL_BACK_RIGHT);
1793
1794                 SCR_DrawScreen();
1795
1796                 Matrix4x4_CreateTranslate(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0);
1797                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
1798
1799                 if (r_stereo_sidebyside.integer)
1800                         r_stereo_side = 1;
1801
1802                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
1803                 {
1804                         r_view.colormask[0] = 0;
1805                         r_view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
1806                         r_view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
1807                 }
1808
1809                 if (vid.stereobuffer)
1810                         qglDrawBuffer(GL_BACK_LEFT);
1811
1812                 SCR_DrawScreen();
1813
1814                 r_view.matrix = originalmatrix;
1815         }
1816         else
1817         {
1818                 qglDrawBuffer(GL_BACK);
1819                 SCR_DrawScreen();
1820         }
1821
1822         SCR_CaptureVideo();
1823
1824         VID_Finish(true);
1825         if (r_timereport_active)
1826                 R_TimeReport("finish");
1827 }
1828
1829 void CL_Screen_NewMap(void)
1830 {
1831         SHOWLMP_clear();
1832 }