eliminated RENDER_NOCULLFACE (now uses MATERIALFLAG_NOCULLFACE on a texture)
[divverent/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 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
48
49
50 int jpeg_supported = false;
51
52 qboolean        scr_initialized;                // ready to draw
53
54 float           scr_con_current;
55
56 extern int      con_vislines;
57
58 static void SCR_ScreenShot_f (void);
59 static void R_Envmap_f (void);
60
61 // backend
62 void R_ClearScreen(void);
63
64 /*
65 ===============================================================================
66
67 CENTER PRINTING
68
69 ===============================================================================
70 */
71
72 char            scr_centerstring[MAX_INPUTLINE];
73 float           scr_centertime_start;   // for slow victory printing
74 float           scr_centertime_off;
75 int                     scr_center_lines;
76 int                     scr_erase_lines;
77 int                     scr_erase_center;
78
79 /*
80 ==============
81 SCR_CenterPrint
82
83 Called for important messages that should stay in the center of the screen
84 for a few moments
85 ==============
86 */
87 void SCR_CenterPrint(char *str)
88 {
89         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
90         scr_centertime_off = scr_centertime.value;
91         scr_centertime_start = cl.time;
92
93 // count the number of lines for centering
94         scr_center_lines = 1;
95         while (*str)
96         {
97                 if (*str == '\n')
98                         scr_center_lines++;
99                 str++;
100         }
101 }
102
103
104 void SCR_DrawCenterString (void)
105 {
106         char    *start;
107         int             l;
108         int             x, y;
109         int             remaining;
110         int             color;
111
112 // the finale prints the characters one at a time
113         if (cl.intermission)
114                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
115         else
116                 remaining = 9999;
117
118         scr_erase_center = 0;
119         start = scr_centerstring;
120
121         if (remaining < 1)
122                 return;
123
124         if (scr_center_lines <= 4)
125                 y = (int)(vid_conheight.integer*0.35);
126         else
127                 y = 48;
128
129         color = -1;
130         do
131         {
132                 // scan the number of characters on the line, not counting color codes
133                 int chars = 0;
134                 for (l=0 ; l<vid_conwidth.integer/8 ; l++)
135                 {
136                         if (start[l] == '\n' || !start[l])
137                                 break;
138                         // color codes add no visible characters, so don't count them
139                         if (start[l] == STRING_COLOR_TAG && (start[l+1] >= '0' && start[l+1] <= '9'))
140                                 l++;
141                         else
142                                 chars++;
143                 }
144                 x = (vid_conwidth.integer - chars*8)/2;
145                 if (l > 0)
146                 {
147                         if (remaining < l)
148                                 l = remaining;
149                         DrawQ_ColoredString(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color);
150                         remaining -= l;
151                         if (remaining <= 0)
152                                 return;
153                 }
154
155                 y += 8;
156
157                 while (*start && *start != '\n')
158                         start++;
159
160                 if (!*start)
161                         break;
162                 start++;                // skip the \n
163         } while (1);
164 }
165
166 void SCR_CheckDrawCenterString (void)
167 {
168         if (scr_center_lines > scr_erase_lines)
169                 scr_erase_lines = scr_center_lines;
170
171         scr_centertime_off -= cl.realframetime;
172
173         // don't draw if this is a normal stats-screen intermission,
174         // only if it is not an intermission, or a finale intermission
175         if (cl.intermission == 1)
176                 return;
177         if (scr_centertime_off <= 0 && !cl.intermission)
178                 return;
179         if (key_dest != key_game)
180                 return;
181
182         SCR_DrawCenterString ();
183 }
184
185 /*
186 ==============
187 SCR_DrawTurtle
188 ==============
189 */
190 void SCR_DrawTurtle (void)
191 {
192         static int      count;
193
194         if (cls.state != ca_connected)
195                 return;
196
197         if (!scr_showturtle.integer)
198                 return;
199
200         if (cl.realframetime < 0.1)
201         {
202                 count = 0;
203                 return;
204         }
205
206         count++;
207         if (count < 3)
208                 return;
209
210         DrawQ_Pic (0, 0, Draw_CachePic("gfx/turtle", true), 0, 0, 1, 1, 1, 1, 0);
211 }
212
213 /*
214 ==============
215 SCR_DrawNet
216 ==============
217 */
218 void SCR_DrawNet (void)
219 {
220         if (cls.state != ca_connected)
221                 return;
222         if (realtime - cl.last_received_message < 0.3)
223                 return;
224         if (cls.demoplayback)
225                 return;
226
227         DrawQ_Pic (64, 0, Draw_CachePic("gfx/net", true), 0, 0, 1, 1, 1, 1, 0);
228 }
229
230 /*
231 ==============
232 DrawPause
233 ==============
234 */
235 void SCR_DrawPause (void)
236 {
237         cachepic_t      *pic;
238
239         if (cls.state != ca_connected)
240                 return;
241
242         if (!scr_showpause.integer)             // turn off for screenshots
243                 return;
244
245         if (!cl.paused)
246                 return;
247
248         pic = Draw_CachePic ("gfx/pause", true);
249         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
250 }
251
252 /*
253 ==============
254 SCR_DrawBrand
255 ==============
256 */
257 void SCR_DrawBrand (void)
258 {
259         cachepic_t      *pic;
260         float           x, y;
261
262         if (!scr_showbrand.value)
263                 return;
264
265         pic = Draw_CachePic ("gfx/brand", true);
266
267         switch ((int)scr_showbrand.value)
268         {
269         case 1: // bottom left
270                 x = 0;
271                 y = vid_conheight.integer - pic->height;
272                 break;
273         case 2: // bottom centre
274                 x = (vid_conwidth.integer - pic->width) / 2;
275                 y = vid_conheight.integer - pic->height;
276                 break;
277         case 3: // bottom right
278                 x = vid_conwidth.integer - pic->width;
279                 y = vid_conheight.integer - pic->height;
280                 break;
281         case 4: // centre right
282                 x = vid_conwidth.integer - pic->width;
283                 y = (vid_conheight.integer - pic->height) / 2;
284                 break;
285         case 5: // top right
286                 x = vid_conwidth.integer - pic->width;
287                 y = 0;
288                 break;
289         case 6: // top centre
290                 x = (vid_conwidth.integer - pic->width) / 2;
291                 y = 0;
292                 break;
293         case 7: // top left
294                 x = 0;
295                 y = 0;
296                 break;
297         case 8: // centre left
298                 x = 0;
299                 y = (vid_conheight.integer - pic->height) / 2;
300                 break;
301         default:
302                 return;
303         }
304
305         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
306 }
307
308 /*
309 ==============
310 SCR_DrawQWDownload
311 ==============
312 */
313 static int SCR_DrawQWDownload(int offset)
314 {
315         int len;
316         float x, y;
317         float size = 8;
318         char temp[256];
319         if (!cls.qw_downloadname[0])
320         {
321                 cls.qw_downloadspeedrate = 0;
322                 cls.qw_downloadspeedtime = realtime;
323                 cls.qw_downloadspeedcount = 0;
324                 return 0;
325         }
326         if (realtime >= cls.qw_downloadspeedtime + 1)
327         {
328                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
329                 cls.qw_downloadspeedtime = realtime;
330                 cls.qw_downloadspeedcount = 0;
331         }
332         if (cls.protocol == PROTOCOL_QUAKEWORLD)
333                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s\n", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
334         else
335                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i/%i) at %i bytes/s\n", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadmemorymaxsize, cls.qw_downloadspeedrate);
336         len = (int)strlen(temp);
337         x = (vid_conwidth.integer - len*size) / 2;
338         y = vid_conheight.integer - size - offset;
339         DrawQ_Pic(0, y, NULL, vid_conwidth.integer, size, 0, 0, 0, 0.5, 0);
340         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0);
341         return 8;
342 }
343
344 /*
345 ==============
346 SCR_DrawCurlDownload
347 ==============
348 */
349 static int SCR_DrawCurlDownload(int offset)
350 {
351         int len;
352         int nDownloads;
353         int i;
354         float x, y;
355         float size = 8;
356         Curl_downloadinfo_t *downinfo;
357         char temp[256];
358         const char *addinfo;
359
360         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
361         if(!downinfo)
362                 return 0;
363
364         y = vid_conheight.integer - size * nDownloads - offset;
365
366         if(addinfo)
367         {
368                 len = (int)strlen(addinfo);
369                 x = (vid_conwidth.integer - len*size) / 2;
370                 DrawQ_Pic(0, y - size, NULL, vid_conwidth.integer, size, 1, 1, 1, 0.8, 0);
371                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0);
372         }
373
374         for(i = 0; i != nDownloads; ++i)
375         {
376                 if(downinfo[i].queued)
377                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
378                 else if(downinfo[i].progress <= 0)
379                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
380                 else
381                         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);
382                 len = (int)strlen(temp);
383                 x = (vid_conwidth.integer - len*size) / 2;
384                 DrawQ_Pic(0, y + i * size, NULL, vid_conwidth.integer, size, 0, 0, 0, 0.8, 0);
385                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0);
386         }
387
388         Z_Free(downinfo);
389
390         return 8 * (nDownloads + (addinfo ? 1 : 0));
391 }
392
393 /*
394 ==============
395 SCR_DrawDownload
396 ==============
397 */
398 static void SCR_DrawDownload()
399 {
400         int offset = 0;
401         offset += SCR_DrawQWDownload(offset);
402         offset += SCR_DrawCurlDownload(offset);
403 }
404
405 //=============================================================================
406
407 /*
408 ==================
409 SCR_SetUpToDrawConsole
410 ==================
411 */
412 void SCR_SetUpToDrawConsole (void)
413 {
414         // lines of console to display
415         float conlines;
416         static int framecounter = 0;
417
418         Con_CheckResize ();
419
420         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
421         {
422                 if (framecounter >= 2)
423                         MR_ToggleMenu_f();
424                 else
425                         framecounter++;
426         }
427         else
428                 framecounter = 0;
429
430         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
431                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
432         else
433                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
434
435 // decide on the height of the console
436         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
437                 conlines = vid_conheight.integer/2;     // half screen
438         else
439                 conlines = 0;                           // none visible
440
441         scr_con_current = conlines;
442 }
443
444 /*
445 ==================
446 SCR_DrawConsole
447 ==================
448 */
449 void SCR_DrawConsole (void)
450 {
451         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
452         {
453                 // full screen
454                 Con_DrawConsole (vid_conheight.integer);
455         }
456         else if (scr_con_current)
457                 Con_DrawConsole ((int)scr_con_current);
458         else
459         {
460                 con_vislines = 0;
461                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
462                         Con_DrawNotify ();      // only draw notify in game
463         }
464 }
465
466 /*
467 ===============
468 SCR_BeginLoadingPlaque
469
470 ================
471 */
472 void SCR_BeginLoadingPlaque (void)
473 {
474         // save console log up to this point to log_file if it was set by configs
475         Log_Start();
476
477         Host_StartVideo();
478         S_StopAllSounds();
479         SCR_UpdateLoadingScreen(false);
480 }
481
482 //=============================================================================
483
484 char r_speeds_string[1024];
485 int speedstringcount, r_timereport_active;
486 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
487
488 void R_TimeReport(char *desc)
489 {
490         char tempbuf[256];
491         int length;
492         int t;
493
494         if (r_speeds.integer < 2 || !r_timereport_active)
495                 return;
496
497         CHECKGLERROR
498         qglFinish();CHECKGLERROR
499         r_timereport_temp = r_timereport_current;
500         r_timereport_current = Sys_DoubleTime();
501         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
502
503         dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %-11s", t, desc);
504         length = (int)strlen(tempbuf);
505         if (speedstringcount + length > (vid_conwidth.integer / 8))
506         {
507                 strlcat(r_speeds_string, "\n", sizeof(r_speeds_string));
508                 speedstringcount = 0;
509         }
510         strlcat(r_speeds_string, tempbuf, sizeof(r_speeds_string));
511         speedstringcount += length;
512 }
513
514 void R_TimeReport_Frame(void)
515 {
516         int i, j, lines, y;
517
518         if (r_speeds_string[0])
519         {
520                 if (r_timereport_active)
521                 {
522                         r_timereport_current = r_timereport_start;
523                         R_TimeReport("total");
524                 }
525
526                 if (r_speeds_string[strlen(r_speeds_string)-1] == '\n')
527                         r_speeds_string[strlen(r_speeds_string)-1] = 0;
528                 lines = 1;
529                 for (i = 0;r_speeds_string[i];i++)
530                         if (r_speeds_string[i] == '\n')
531                                 lines++;
532                 y = vid_conheight.integer - sb_lines - lines * 8;
533                 i = j = 0;
534                 DrawQ_Pic(0, y, NULL, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
535                 while (r_speeds_string[i])
536                 {
537                         j = i;
538                         while (r_speeds_string[i] && r_speeds_string[i] != '\n')
539                                 i++;
540                         if (i - j > 0)
541                                 DrawQ_String(0, y, r_speeds_string + j, i - j, 8, 8, 1, 1, 1, 1, 0);
542                         if (r_speeds_string[i] == '\n')
543                                 i++;
544                         y += 8;
545                 }
546                 r_speeds_string[0] = 0;
547                 r_timereport_active = false;
548         }
549         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
550         {
551                 speedstringcount = 0;
552                 r_speeds_string[0] = 0;
553                 r_timereport_active = false;
554                 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]);
555                 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);
556                 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);
557                 if (r_refdef.stats.bloom)
558                         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);
559                 else
560                         sprintf(r_speeds_string + strlen(r_speeds_string), "rendered%6i meshes%8i triangles\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3);
561
562                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
563
564                 if (r_speeds.integer >= 2)
565                 {
566                         r_timereport_active = true;
567                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
568                 }
569         }
570 }
571
572 /*
573 =================
574 SCR_SizeUp_f
575
576 Keybinding command
577 =================
578 */
579 void SCR_SizeUp_f (void)
580 {
581         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
582 }
583
584
585 /*
586 =================
587 SCR_SizeDown_f
588
589 Keybinding command
590 =================
591 */
592 void SCR_SizeDown_f (void)
593 {
594         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
595 }
596
597 void CL_Screen_Init(void)
598 {
599         Cvar_RegisterVariable (&scr_fov);
600         Cvar_RegisterVariable (&scr_viewsize);
601         Cvar_RegisterVariable (&scr_conalpha);
602         Cvar_RegisterVariable (&scr_conbrightness);
603         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
604         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
605         Cvar_RegisterVariable (&scr_showram);
606         Cvar_RegisterVariable (&scr_showturtle);
607         Cvar_RegisterVariable (&scr_showpause);
608         Cvar_RegisterVariable (&scr_showbrand);
609         Cvar_RegisterVariable (&scr_centertime);
610         Cvar_RegisterVariable (&scr_printspeed);
611         Cvar_RegisterVariable (&vid_conwidth);
612         Cvar_RegisterVariable (&vid_conheight);
613         Cvar_RegisterVariable (&vid_pixelheight);
614         Cvar_RegisterVariable (&scr_screenshot_jpeg);
615         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
616         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
617         Cvar_RegisterVariable (&cl_capturevideo);
618         Cvar_RegisterVariable (&cl_capturevideo_realtime);
619         Cvar_RegisterVariable (&cl_capturevideo_fps);
620         Cvar_RegisterVariable (&cl_capturevideo_number);
621         Cvar_RegisterVariable (&r_letterbox);
622         Cvar_RegisterVariable(&r_stereo_separation);
623         Cvar_RegisterVariable(&r_stereo_sidebyside);
624         Cvar_RegisterVariable(&r_stereo_redblue);
625         Cvar_RegisterVariable(&r_stereo_redcyan);
626         Cvar_RegisterVariable(&r_stereo_redgreen);
627         Cvar_RegisterVariable(&scr_zoomwindow);
628         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
629         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
630         Cvar_RegisterVariable(&scr_zoomwindow_fov);
631         Cvar_RegisterVariable(&scr_stipple);
632         Cvar_RegisterVariable(&scr_refresh);
633
634         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
635         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
636         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
637         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
638
639         scr_initialized = true;
640 }
641
642 /*
643 ==================
644 SCR_ScreenShot_f
645 ==================
646 */
647 void SCR_ScreenShot_f (void)
648 {
649         static int shotnumber;
650         static char oldname[MAX_QPATH];
651         char base[MAX_QPATH];
652         char filename[MAX_QPATH];
653         unsigned char *buffer1;
654         unsigned char *buffer2;
655         unsigned char *buffer3;
656         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
657
658         sprintf (base, "screenshots/%s", scr_screenshot_name.string);
659
660         if (strcmp (oldname, scr_screenshot_name.string))
661         {
662                 sprintf(oldname, "%s", scr_screenshot_name.string);
663                 shotnumber = 0;
664         }
665
666         // find a file name to save it to
667         for (;shotnumber < 1000000;shotnumber++)
668                 if (!FS_SysFileExists(va("%s/%s%06d.tga", fs_gamedir, base, shotnumber)) && !FS_SysFileExists(va("%s/%s%06d.jpg", fs_gamedir, base, shotnumber)))
669                         break;
670         if (shotnumber >= 1000000)
671         {
672                 Con_Print("SCR_ScreenShot_f: Couldn't create the image file\n");
673                 return;
674         }
675
676         sprintf(filename, "%s%06d.%s", base, shotnumber, jpeg ? "jpg" : "tga");
677
678         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
679         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
680         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
681
682         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
683                 Con_Printf("Wrote %s\n", filename);
684         else
685                 Con_Printf("unable to write %s\n", filename);
686
687         Mem_Free (buffer1);
688         Mem_Free (buffer2);
689         Mem_Free (buffer3);
690
691         shotnumber++;
692 }
693
694 static void SCR_CaptureVideo_RIFF_Start(void)
695 {
696         memset(&cls.capturevideo.riffbuffer, 0, sizeof(sizebuf_t));
697         cls.capturevideo.riffbuffer.maxsize = sizeof(cls.capturevideo.riffbufferdata);
698         cls.capturevideo.riffbuffer.data = cls.capturevideo.riffbufferdata;
699 }
700
701 static void SCR_CaptureVideo_RIFF_Flush(void)
702 {
703         if (cls.capturevideo.riffbuffer.cursize > 0)
704         {
705                 if (!FS_Write(cls.capturevideo.videofile, cls.capturevideo.riffbuffer.data, cls.capturevideo.riffbuffer.cursize))
706                         cls.capturevideo.error = true;
707                 cls.capturevideo.riffbuffer.cursize = 0;
708                 cls.capturevideo.riffbuffer.overflowed = false;
709         }
710 }
711
712 static void SCR_CaptureVideo_RIFF_WriteBytes(const unsigned char *data, size_t size)
713 {
714         SCR_CaptureVideo_RIFF_Flush();
715         if (!FS_Write(cls.capturevideo.videofile, data, size))
716                 cls.capturevideo.error = true;
717 }
718
719 static void SCR_CaptureVideo_RIFF_Write32(int n)
720 {
721         if (cls.capturevideo.riffbuffer.cursize + 4 > cls.capturevideo.riffbuffer.maxsize)
722                 SCR_CaptureVideo_RIFF_Flush();
723         MSG_WriteLong(&cls.capturevideo.riffbuffer, n);
724 }
725
726 static void SCR_CaptureVideo_RIFF_Write16(int n)
727 {
728         if (cls.capturevideo.riffbuffer.cursize + 2 > cls.capturevideo.riffbuffer.maxsize)
729                 SCR_CaptureVideo_RIFF_Flush();
730         MSG_WriteShort(&cls.capturevideo.riffbuffer, n);
731 }
732
733 static void SCR_CaptureVideo_RIFF_WriteFourCC(const char *chunkfourcc)
734 {
735         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(chunkfourcc) > cls.capturevideo.riffbuffer.maxsize)
736                 SCR_CaptureVideo_RIFF_Flush();
737         MSG_WriteUnterminatedString(&cls.capturevideo.riffbuffer, chunkfourcc);
738 }
739
740 static void SCR_CaptureVideo_RIFF_WriteTerminatedString(const char *string)
741 {
742         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(string) > cls.capturevideo.riffbuffer.maxsize)
743                 SCR_CaptureVideo_RIFF_Flush();
744         MSG_WriteString(&cls.capturevideo.riffbuffer, string);
745 }
746
747 static fs_offset_t SCR_CaptureVideo_RIFF_GetPosition(void)
748 {
749         SCR_CaptureVideo_RIFF_Flush();
750         return FS_Tell(cls.capturevideo.videofile);
751 }
752
753 static void SCR_CaptureVideo_RIFF_Push(const char *chunkfourcc, const char *listtypefourcc)
754 {
755         SCR_CaptureVideo_RIFF_WriteFourCC(chunkfourcc);
756         SCR_CaptureVideo_RIFF_Write32(0);
757         SCR_CaptureVideo_RIFF_Flush();
758         cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel++] = SCR_CaptureVideo_RIFF_GetPosition();
759         if (listtypefourcc)
760                 SCR_CaptureVideo_RIFF_WriteFourCC(listtypefourcc);
761 }
762
763 static void SCR_CaptureVideo_RIFF_Pop(void)
764 {
765         fs_offset_t offset;
766         int x;
767         unsigned char sizebytes[4];
768         // write out the chunk size and then return to the current file position
769         cls.capturevideo.riffstacklevel--;
770         offset = SCR_CaptureVideo_RIFF_GetPosition();
771         x = (int)(offset - (cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel]));
772         sizebytes[0] = (x) & 0xff;sizebytes[1] = (x >> 8) & 0xff;sizebytes[2] = (x >> 16) & 0xff;sizebytes[3] = (x >> 24) & 0xff;
773         FS_Seek(cls.capturevideo.videofile, -(x + 4), SEEK_END);
774         FS_Write(cls.capturevideo.videofile, sizebytes, 4);
775         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
776         if (offset & 1)
777         {
778                 unsigned char c = 0;
779                 FS_Write(cls.capturevideo.videofile, &c, 1);
780         }
781 }
782
783 static void SCR_CaptureVideo_RIFF_IndexEntry(const char *chunkfourcc, int chunksize, int flags)
784 {
785         if (cls.capturevideo.riffstacklevel != 2)
786                 Sys_Error("SCR_Capturevideo_RIFF_IndexEntry: RIFF stack level is %i (should be 2)\n", cls.capturevideo.riffstacklevel);
787         if (cls.capturevideo.riffindexbuffer.cursize + 16 > cls.capturevideo.riffindexbuffer.maxsize)
788         {
789                 int oldsize = cls.capturevideo.riffindexbuffer.maxsize;
790                 unsigned char *olddata;
791                 olddata = cls.capturevideo.riffindexbuffer.data;
792                 cls.capturevideo.riffindexbuffer.maxsize = max(cls.capturevideo.riffindexbuffer.maxsize * 2, 4096);
793                 cls.capturevideo.riffindexbuffer.data = Mem_Alloc(tempmempool, cls.capturevideo.riffindexbuffer.maxsize);
794                 if (olddata)
795                 {
796                         memcpy(cls.capturevideo.riffindexbuffer.data, olddata, oldsize);
797                         Mem_Free(olddata);
798                 }
799         }
800         MSG_WriteUnterminatedString(&cls.capturevideo.riffindexbuffer, chunkfourcc);
801         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, flags);
802         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, (int)FS_Tell(cls.capturevideo.videofile) - cls.capturevideo.riffstackstartoffset[1]);
803         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, chunksize);
804 }
805
806 static void SCR_CaptureVideo_RIFF_Finish(void)
807 {
808         // close the "movi" list
809         SCR_CaptureVideo_RIFF_Pop();
810         // write the idx1 chunk that we've been building while saving the frames
811         SCR_CaptureVideo_RIFF_Push("idx1", NULL);
812         SCR_CaptureVideo_RIFF_WriteBytes(cls.capturevideo.riffindexbuffer.data, cls.capturevideo.riffindexbuffer.cursize);
813         SCR_CaptureVideo_RIFF_Pop();
814         cls.capturevideo.riffindexbuffer.cursize = 0;
815         // pop the RIFF chunk itself
816         while (cls.capturevideo.riffstacklevel > 0)
817                 SCR_CaptureVideo_RIFF_Pop();
818         SCR_CaptureVideo_RIFF_Flush();
819 }
820
821 static void SCR_CaptureVideo_RIFF_OverflowCheck(int framesize)
822 {
823         fs_offset_t cursize;
824         if (cls.capturevideo.riffstacklevel != 2)
825                 Sys_Error("SCR_CaptureVideo_RIFF_OverflowCheck: chunk stack leakage!\n");
826         // check where we are in the file
827         SCR_CaptureVideo_RIFF_Flush();
828         cursize = SCR_CaptureVideo_RIFF_GetPosition() - cls.capturevideo.riffstackstartoffset[0];
829         // if this would overflow the windows limit of 1GB per RIFF chunk, we need
830         // to close the current RIFF chunk and open another for future frames
831         if (8 + cursize + framesize + cls.capturevideo.riffindexbuffer.cursize + 8 > 1<<30)
832         {
833                 SCR_CaptureVideo_RIFF_Finish();
834                 // begin a new 1GB extended section of the AVI
835                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVIX");
836                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
837         }
838 }
839
840 void SCR_CaptureVideo_BeginVideo(void)
841 {
842         double gamma, g;
843         int width = vid.width, height = vid.height, x;
844         unsigned int i;
845         if (cls.capturevideo.active)
846                 return;
847         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
848         // soundrate is figured out on the first SoundFrame
849         cls.capturevideo.active = true;
850         cls.capturevideo.starttime = Sys_DoubleTime();
851         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1000);
852         cls.capturevideo.soundrate = S_GetSoundRate();
853         cls.capturevideo.frame = 0;
854         cls.capturevideo.soundsampleframe = 0;
855         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
856         cls.capturevideo.buffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (3+3+3) + 18);
857         gamma = 1.0/scr_screenshot_gammaboost.value;
858         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/dpvideo%03i", cl_capturevideo_number.integer);
859         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
860
861         /*
862         for (i = 0;i < 256;i++)
863         {
864                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
865                 cls.capturevideo.rgbgammatable[0][i] = j;
866                 cls.capturevideo.rgbgammatable[1][i] = j;
867                 cls.capturevideo.rgbgammatable[2][i] = j;
868         }
869         */
870 /*
871 R = Y + 1.4075 * (Cr - 128);
872 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
873 B = Y + 1.7790 * (Cb - 128);
874 Y = R *  .299 + G *  .587 + B *  .114;
875 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
876 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
877 */
878         for (i = 0;i < 256;i++)
879         {
880                 g = 255*pow(i/255.0, gamma);
881                 // Y weights from RGB
882                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(g *  0.299);
883                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
884                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(g *  0.114);
885                 // Cb weights from RGB
886                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(g * -0.169);
887                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
888                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(g *  0.500);
889                 // Cr weights from RGB
890                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(g *  0.500);
891                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
892                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(g * -0.0813);
893                 // range reduction of YCbCr to valid signal range
894                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
895                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
896                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
897         }
898
899         //if (cl_capturevideo_)
900         //{
901         //}
902         //else
903         {
904                 cls.capturevideo.format = CAPTUREVIDEOFORMAT_AVI_I420;
905                 cls.capturevideo.videofile = FS_Open (va("%s.avi", cls.capturevideo.basename), "wb", false, true);
906                 SCR_CaptureVideo_RIFF_Start();
907                 // 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)
908                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVI ");
909                 // AVI main header
910                 SCR_CaptureVideo_RIFF_Push("LIST", "hdrl");
911                 SCR_CaptureVideo_RIFF_Push("avih", NULL);
912                 SCR_CaptureVideo_RIFF_Write32((int)(1000000.0 / cls.capturevideo.framerate)); // microseconds per frame
913                 SCR_CaptureVideo_RIFF_Write32(0); // max bytes per second
914                 SCR_CaptureVideo_RIFF_Write32(0); // padding granularity
915                 SCR_CaptureVideo_RIFF_Write32(0x910); // flags (AVIF_HASINDEX | AVIF_ISINTERLEAVED | AVIF_TRUSTCKTYPE)
916                 cls.capturevideo.videofile_totalframes_offset1 = SCR_CaptureVideo_RIFF_GetPosition();
917                 SCR_CaptureVideo_RIFF_Write32(0); // total frames
918                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
919                 if (cls.capturevideo.soundrate)
920                         SCR_CaptureVideo_RIFF_Write32(2); // number of streams
921                 else
922                         SCR_CaptureVideo_RIFF_Write32(1); // number of streams
923                 SCR_CaptureVideo_RIFF_Write32(0); // suggested buffer size
924                 SCR_CaptureVideo_RIFF_Write32(width); // width
925                 SCR_CaptureVideo_RIFF_Write32(height); // height
926                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[0]
927                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[1]
928                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[2]
929                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[3]
930                 SCR_CaptureVideo_RIFF_Pop();
931                 // video stream info
932                 SCR_CaptureVideo_RIFF_Push("LIST", "strl");
933                 SCR_CaptureVideo_RIFF_Push("strh", "vids");
934                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // stream fourcc (I420 colorspace, uncompressed)
935                 SCR_CaptureVideo_RIFF_Write32(0); // flags
936                 SCR_CaptureVideo_RIFF_Write16(0); // priority
937                 SCR_CaptureVideo_RIFF_Write16(0); // language
938                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
939                 // find an ideal divisor for the framerate
940                 for (x = 1;x < 1000;x++)
941                         if (cls.capturevideo.framerate * x == floor(cls.capturevideo.framerate * x))
942                                 break;
943                 SCR_CaptureVideo_RIFF_Write32(x); // samples/second divisor
944                 SCR_CaptureVideo_RIFF_Write32((int)(cls.capturevideo.framerate * x)); // samples/second multiplied by divisor
945                 SCR_CaptureVideo_RIFF_Write32(0); // start
946                 cls.capturevideo.videofile_totalframes_offset2 = SCR_CaptureVideo_RIFF_GetPosition();
947                 SCR_CaptureVideo_RIFF_Write32(0); // length
948                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // suggested buffer size
949                 SCR_CaptureVideo_RIFF_Write32(0); // quality
950                 SCR_CaptureVideo_RIFF_Write32(0); // sample size
951                 SCR_CaptureVideo_RIFF_Write16(0); // frame left
952                 SCR_CaptureVideo_RIFF_Write16(0); // frame top
953                 SCR_CaptureVideo_RIFF_Write16(width); // frame right
954                 SCR_CaptureVideo_RIFF_Write16(height); // frame bottom
955                 SCR_CaptureVideo_RIFF_Pop();
956                 // video stream format
957                 SCR_CaptureVideo_RIFF_Push("strf", NULL);
958                 SCR_CaptureVideo_RIFF_Write32(40); // BITMAPINFO struct size
959                 SCR_CaptureVideo_RIFF_Write32(width); // width
960                 SCR_CaptureVideo_RIFF_Write32(height); // height
961                 SCR_CaptureVideo_RIFF_Write16(3); // planes
962                 SCR_CaptureVideo_RIFF_Write16(12); // bitcount
963                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // compression
964                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // size of image
965                 SCR_CaptureVideo_RIFF_Write32(0); // x pixels per meter
966                 SCR_CaptureVideo_RIFF_Write32(0); // y pixels per meter
967                 SCR_CaptureVideo_RIFF_Write32(0); // color used
968                 SCR_CaptureVideo_RIFF_Write32(0); // color important
969                 SCR_CaptureVideo_RIFF_Pop();
970                 SCR_CaptureVideo_RIFF_Pop();
971                 if (cls.capturevideo.soundrate)
972                 {
973                         // audio stream info
974                         SCR_CaptureVideo_RIFF_Push("LIST", "strl");
975                         SCR_CaptureVideo_RIFF_Push("strh", "auds");
976                         SCR_CaptureVideo_RIFF_Write32(1); // stream fourcc (PCM audio, uncompressed)
977                         SCR_CaptureVideo_RIFF_Write32(0); // flags
978                         SCR_CaptureVideo_RIFF_Write16(0); // priority
979                         SCR_CaptureVideo_RIFF_Write16(0); // language
980                         SCR_CaptureVideo_RIFF_Write32(0); // initial frames
981                         SCR_CaptureVideo_RIFF_Write32(1); // samples/second divisor
982                         SCR_CaptureVideo_RIFF_Write32((int)(cls.capturevideo.soundrate)); // samples/second multiplied by divisor
983                         SCR_CaptureVideo_RIFF_Write32(0); // start
984                         cls.capturevideo.videofile_totalsampleframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
985                         SCR_CaptureVideo_RIFF_Write32(0); // length
986                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 2); // suggested buffer size (this is a half second)
987                         SCR_CaptureVideo_RIFF_Write32(0); // quality
988                         SCR_CaptureVideo_RIFF_Write32(4); // sample size
989                         SCR_CaptureVideo_RIFF_Write16(0); // frame left
990                         SCR_CaptureVideo_RIFF_Write16(0); // frame top
991                         SCR_CaptureVideo_RIFF_Write16(0); // frame right
992                         SCR_CaptureVideo_RIFF_Write16(0); // frame bottom
993                         SCR_CaptureVideo_RIFF_Pop();
994                         // audio stream format
995                         SCR_CaptureVideo_RIFF_Push("strf", NULL);
996                         SCR_CaptureVideo_RIFF_Write16(1); // format (uncompressed PCM?)
997                         SCR_CaptureVideo_RIFF_Write16(2); // channels (stereo)
998                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate); // sampleframes per second
999                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 4); // average bytes per second
1000                         SCR_CaptureVideo_RIFF_Write16(4); // block align
1001                         SCR_CaptureVideo_RIFF_Write16(16); // bits per sample
1002                         SCR_CaptureVideo_RIFF_Write16(0); // size
1003                         SCR_CaptureVideo_RIFF_Pop();
1004                         SCR_CaptureVideo_RIFF_Pop();
1005                 }
1006                 // close the AVI header list
1007                 SCR_CaptureVideo_RIFF_Pop();
1008                 // software that produced this AVI video file
1009                 SCR_CaptureVideo_RIFF_Push("LIST", "INFO");
1010                 SCR_CaptureVideo_RIFF_Push("ISFT", NULL);
1011                 SCR_CaptureVideo_RIFF_WriteTerminatedString(engineversion);
1012                 SCR_CaptureVideo_RIFF_Pop();
1013                 // enable this junk filler if you like the LIST movi to always begin at 4KB in the file (why?)
1014 #if 0
1015                 SCR_CaptureVideo_RIFF_Push("JUNK", NULL);
1016                 x = 4096 - SCR_CaptureVideo_RIFF_GetPosition();
1017                 while (x > 0)
1018                 {
1019                         const char *junkfiller = "[ DarkPlaces junk data ]";
1020                         int i = min(x, (int)strlen(junkfiller));
1021                         SCR_CaptureVideo_RIFF_WriteBytes((const unsigned char *)junkfiller, i);
1022                         x -= i;
1023                 }
1024                 SCR_CaptureVideo_RIFF_Pop();
1025 #endif
1026                 SCR_CaptureVideo_RIFF_Pop();
1027                 // begin the actual video section now
1028                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1029                 // we're done with the headers now...
1030                 SCR_CaptureVideo_RIFF_Flush();
1031                 if (cls.capturevideo.riffstacklevel != 2)
1032                         Sys_Error("SCR_CaptureVideo_BeginVideo: broken AVI writing code (stack level is %i (should be 2) at end of headers)\n", cls.capturevideo.riffstacklevel);
1033         }
1034
1035         switch(cls.capturevideo.format)
1036         {
1037         case CAPTUREVIDEOFORMAT_AVI_I420:
1038                 break;
1039         default:
1040                 break;
1041         }
1042 }
1043
1044 void SCR_CaptureVideo_EndVideo(void)
1045 {
1046         if (!cls.capturevideo.active)
1047                 return;
1048         cls.capturevideo.active = false;
1049         if (cls.capturevideo.videofile)
1050         {
1051                 switch(cls.capturevideo.format)
1052                 {
1053                 case CAPTUREVIDEOFORMAT_AVI_I420:
1054                         // close any open chunks
1055                         SCR_CaptureVideo_RIFF_Finish();
1056                         // go back and fix the video frames and audio samples fields
1057                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset1, SEEK_SET);
1058                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1059                         SCR_CaptureVideo_RIFF_Flush();
1060                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset2, SEEK_SET);
1061                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1062                         SCR_CaptureVideo_RIFF_Flush();
1063                         if (cls.capturevideo.soundrate)
1064                         {
1065                                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalsampleframes_offset, SEEK_SET);
1066                                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundsampleframe);
1067                                 SCR_CaptureVideo_RIFF_Flush();
1068                         }
1069                         break;
1070                 default:
1071                         break;
1072                 }
1073                 FS_Close(cls.capturevideo.videofile);
1074                 cls.capturevideo.videofile = NULL;
1075         }
1076
1077         if (cls.capturevideo.buffer)
1078         {
1079                 Mem_Free (cls.capturevideo.buffer);
1080                 cls.capturevideo.buffer = NULL;
1081         }
1082
1083         if (cls.capturevideo.riffindexbuffer.data)
1084         {
1085                 Mem_Free(cls.capturevideo.riffindexbuffer.data);
1086                 cls.capturevideo.riffindexbuffer.data = NULL;
1087         }
1088
1089         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1090 }
1091
1092 // 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
1093 void SCR_CaptureVideo_ConvertFrame_RGB_to_I420_flip(int width, int height, unsigned char *instart, unsigned char *outstart)
1094 {
1095         int x, y;
1096         int outoffset = (width/2)*(height/2);
1097         unsigned char *b, *out;
1098         // process one line at a time, and CbCr every other line at 2 pixel intervals
1099         for (y = 0;y < height;y++)
1100         {
1101                 // 1x1 Y
1102                 for (b = instart + (height-1-y)*width*3, out = outstart + y*width, x = 0;x < width;x++, b += 3, out++)
1103                         *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]]];
1104                 if ((y & 1) == 0)
1105                 {
1106                         // 2x2 Cr and Cb planes
1107 #if 0
1108                         // low quality, no averaging
1109                         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++)
1110                         {
1111                                 // Cr
1112                                 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];
1113                                 // Cb
1114                                 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];
1115                         }
1116 #else
1117                         // high quality, averaging
1118                         int inpitch = width*3;
1119                         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++)
1120                         {
1121                                 int blockr, blockg, blockb;
1122                                 blockr = (b[0] + b[3] + b[inpitch+0] + b[inpitch+3]) >> 2;
1123                                 blockg = (b[1] + b[4] + b[inpitch+1] + b[inpitch+4]) >> 2;
1124                                 blockb = (b[2] + b[5] + b[inpitch+2] + b[inpitch+5]) >> 2;
1125                                 // Cr
1126                                 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];
1127                                 // Cb
1128                                 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];
1129                         }
1130 #endif
1131                 }
1132         }
1133 }
1134
1135 qboolean SCR_CaptureVideo_VideoFrame(int newframenum)
1136 {
1137         int x = 0, y = 0, width = vid.width, height = vid.height;
1138         unsigned char *in, *out;
1139         CHECKGLERROR
1140         //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);
1141         // speed is critical here, so do saving as directly as possible
1142         switch (cls.capturevideo.format)
1143         {
1144         case CAPTUREVIDEOFORMAT_AVI_I420:
1145                 // if there's no videofile we have to just give up, and abort saving
1146                 if (!cls.capturevideo.videofile)
1147                         return false;
1148                 // FIXME: width/height must be multiple of 2, enforce this?
1149                 qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, cls.capturevideo.buffer);CHECKGLERROR
1150                 in = cls.capturevideo.buffer;
1151                 out = cls.capturevideo.buffer + width*height*3;
1152                 SCR_CaptureVideo_ConvertFrame_RGB_to_I420_flip(width, height, in, out);
1153                 x = width*height+(width/2)*(height/2)*2;
1154                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1155                 for (;cls.capturevideo.frame < newframenum;cls.capturevideo.frame++)
1156                 {
1157                         SCR_CaptureVideo_RIFF_IndexEntry("00dc", x, 0x10); // AVIIF_KEYFRAME
1158                         SCR_CaptureVideo_RIFF_Push("00dc", NULL);
1159                         SCR_CaptureVideo_RIFF_WriteBytes(out, x);
1160                         SCR_CaptureVideo_RIFF_Pop();
1161                 }
1162                 return true;
1163         default:
1164                 return false;
1165         }
1166 }
1167
1168 void SCR_CaptureVideo_SoundFrame(unsigned char *bufstereo16le, size_t length, int rate)
1169 {
1170         int x;
1171         cls.capturevideo.soundrate = rate;
1172         cls.capturevideo.soundsampleframe += length;
1173         switch (cls.capturevideo.format)
1174         {
1175         case CAPTUREVIDEOFORMAT_AVI_I420:
1176                 x = length*4;
1177                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1178                 SCR_CaptureVideo_RIFF_IndexEntry("01wb", x, 0x10); // AVIIF_KEYFRAME
1179                 SCR_CaptureVideo_RIFF_Push("01wb", NULL);
1180                 SCR_CaptureVideo_RIFF_WriteBytes(bufstereo16le, x);
1181                 SCR_CaptureVideo_RIFF_Pop();
1182                 break;
1183         default:
1184                 break;
1185         }
1186 }
1187
1188 void SCR_CaptureVideo(void)
1189 {
1190         int newframenum;
1191         if (cl_capturevideo.integer && r_render.integer)
1192         {
1193                 if (!cls.capturevideo.active)
1194                         SCR_CaptureVideo_BeginVideo();
1195                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value)
1196                 {
1197                         Con_Printf("You can not change the video framerate while recording a video.\n");
1198                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate);
1199                 }
1200                 // for AVI saving we have to make sure that sound is saved before video
1201                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1202                         return;
1203                 if (cls.capturevideo.realtime)
1204                 {
1205                         // preserve sound sync by duplicating frames when running slow
1206                         newframenum = (int)((Sys_DoubleTime() - cls.capturevideo.starttime) * cls.capturevideo.framerate);
1207                 }
1208                 else
1209                         newframenum = cls.capturevideo.frame + 1;
1210                 // if falling behind more than one second, stop
1211                 if (newframenum - cls.capturevideo.frame > (int)ceil(cls.capturevideo.framerate))
1212                 {
1213                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1214                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1215                         SCR_CaptureVideo_EndVideo();
1216                         return;
1217                 }
1218                 // write frames
1219                 SCR_CaptureVideo_VideoFrame(newframenum);
1220                 if (cls.capturevideo.error)
1221                 {
1222                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1223                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1224                         SCR_CaptureVideo_EndVideo();
1225                 }
1226         }
1227         else if (cls.capturevideo.active)
1228                 SCR_CaptureVideo_EndVideo();
1229 }
1230
1231 /*
1232 ===============
1233 R_Envmap_f
1234
1235 Grab six views for environment mapping tests
1236 ===============
1237 */
1238 struct envmapinfo_s
1239 {
1240         float angles[3];
1241         char *name;
1242         qboolean flipx, flipy, flipdiagonaly;
1243 }
1244 envmapinfo[12] =
1245 {
1246         {{  0,   0, 0}, "rt", false, false, false},
1247         {{  0, 270, 0}, "ft", false, false, false},
1248         {{  0, 180, 0}, "lf", false, false, false},
1249         {{  0,  90, 0}, "bk", false, false, false},
1250         {{-90, 180, 0}, "up",  true,  true, false},
1251         {{ 90, 180, 0}, "dn",  true,  true, false},
1252
1253         {{  0,   0, 0}, "px",  true,  true,  true},
1254         {{  0,  90, 0}, "py", false,  true, false},
1255         {{  0, 180, 0}, "nx", false, false,  true},
1256         {{  0, 270, 0}, "ny",  true, false, false},
1257         {{-90, 180, 0}, "pz", false, false,  true},
1258         {{ 90, 180, 0}, "nz", false, false,  true}
1259 };
1260
1261 static void R_Envmap_f (void)
1262 {
1263         int j, size;
1264         char filename[MAX_QPATH], basename[MAX_QPATH];
1265         unsigned char *buffer1;
1266         unsigned char *buffer2;
1267         unsigned char *buffer3;
1268
1269         if (Cmd_Argc() != 3)
1270         {
1271                 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");
1272                 return;
1273         }
1274
1275         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1276         size = atoi(Cmd_Argv(2));
1277         if (size != 128 && size != 256 && size != 512 && size != 1024)
1278         {
1279                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1280                 return;
1281         }
1282         if (size > vid.width || size > vid.height)
1283         {
1284                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1285                 return;
1286         }
1287
1288         r_refdef.envmap = true;
1289
1290         R_UpdateVariables();
1291
1292         r_view.x = 0;
1293         r_view.y = 0;
1294         r_view.z = 0;
1295         r_view.width = size;
1296         r_view.height = size;
1297         r_view.depth = 1;
1298
1299         r_view.frustum_x = tan(90 * M_PI / 360.0);
1300         r_view.frustum_y = tan(90 * M_PI / 360.0);
1301
1302         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1303         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1304         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1305
1306         for (j = 0;j < 12;j++)
1307         {
1308                 sprintf(filename, "env/%s%s.tga", basename, envmapinfo[j].name);
1309                 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);
1310                 R_ClearScreen();
1311                 R_Mesh_Start();
1312                 R_RenderView();
1313                 R_Mesh_Finish();
1314                 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);
1315         }
1316
1317         Mem_Free (buffer1);
1318         Mem_Free (buffer2);
1319         Mem_Free (buffer3);
1320
1321         r_refdef.envmap = false;
1322 }
1323
1324 //=============================================================================
1325
1326 // LordHavoc: SHOWLMP stuff
1327 #define SHOWLMP_MAXLABELS 256
1328 typedef struct showlmp_s
1329 {
1330         qboolean        isactive;
1331         float           x;
1332         float           y;
1333         char            label[32];
1334         char            pic[128];
1335 }
1336 showlmp_t;
1337
1338 showlmp_t showlmp[SHOWLMP_MAXLABELS];
1339
1340 void SHOWLMP_decodehide(void)
1341 {
1342         int i;
1343         char *lmplabel;
1344         lmplabel = MSG_ReadString();
1345         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1346                 if (showlmp[i].isactive && strcmp(showlmp[i].label, lmplabel) == 0)
1347                 {
1348                         showlmp[i].isactive = false;
1349                         return;
1350                 }
1351 }
1352
1353 void SHOWLMP_decodeshow(void)
1354 {
1355         int i, k;
1356         char lmplabel[256], picname[256];
1357         float x, y;
1358         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1359         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1360         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1361         {
1362                 x = MSG_ReadByte();
1363                 y = MSG_ReadByte();
1364         }
1365         else
1366         {
1367                 x = MSG_ReadShort();
1368                 y = MSG_ReadShort();
1369         }
1370         k = -1;
1371         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1372                 if (showlmp[i].isactive)
1373                 {
1374                         if (strcmp(showlmp[i].label, lmplabel) == 0)
1375                         {
1376                                 k = i;
1377                                 break; // drop out to replace it
1378                         }
1379                 }
1380                 else if (k < 0) // find first empty one to replace
1381                         k = i;
1382         if (k < 0)
1383                 return; // none found to replace
1384         // change existing one
1385         showlmp[k].isactive = true;
1386         strlcpy (showlmp[k].label, lmplabel, sizeof (showlmp[k].label));
1387         strlcpy (showlmp[k].pic, picname, sizeof (showlmp[k].pic));
1388         showlmp[k].x = x;
1389         showlmp[k].y = y;
1390 }
1391
1392 void SHOWLMP_drawall(void)
1393 {
1394         int i;
1395         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1396                 if (showlmp[i].isactive)
1397                         DrawQ_Pic(showlmp[i].x, showlmp[i].y, Draw_CachePic(showlmp[i].pic, true), 0, 0, 1, 1, 1, 1, 0);
1398 }
1399
1400 void SHOWLMP_clear(void)
1401 {
1402         int i;
1403         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1404                 showlmp[i].isactive = false;
1405 }
1406
1407 /*
1408 ==============================================================================
1409
1410                                                 SCREEN SHOTS
1411
1412 ==============================================================================
1413 */
1414
1415 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)
1416 {
1417         int     indices[3] = {0,1,2};
1418         qboolean ret;
1419
1420         if (!r_render.integer)
1421                 return false;
1422
1423         CHECKGLERROR
1424         qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1425
1426         if (scr_screenshot_gammaboost.value != 1 && gammacorrect)
1427         {
1428                 int i;
1429                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1430                 unsigned char ramp[256];
1431                 for (i = 0;i < 256;i++)
1432                         ramp[i] = (unsigned char) (pow(i * (1.0 / 255.0), igamma) * 255.0);
1433                 for (i = 0;i < width*height*3;i++)
1434                         buffer1[i] = ramp[buffer1[i]];
1435         }
1436
1437         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1438
1439         if (jpeg)
1440                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1441         else
1442                 ret = Image_WriteTGARGB_preflipped (filename, width, height, buffer2, buffer3);
1443
1444         return ret;
1445 }
1446
1447 //=============================================================================
1448
1449 void R_ClearScreen(void)
1450 {
1451         // clear to black
1452         CHECKGLERROR
1453         if (r_refdef.fogenabled)
1454         {
1455                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1456         }
1457         else
1458         {
1459                 qglClearColor(0,0,0,0);CHECKGLERROR
1460         }
1461         qglClearDepth(1);CHECKGLERROR
1462         if (gl_stencil)
1463         {
1464                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1465                 // to avoid clamping interfering with strange shadow volume
1466                 // drawing orders
1467                 qglClearStencil(128);CHECKGLERROR
1468         }
1469         // clear the screen
1470         if (r_render.integer)
1471                 GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
1472         // set dithering mode
1473         if (gl_dither.integer)
1474         {
1475                 qglEnable(GL_DITHER);CHECKGLERROR
1476         }
1477         else
1478         {
1479                 qglDisable(GL_DITHER);CHECKGLERROR
1480         }
1481 }
1482
1483 qboolean CL_VM_UpdateView (void);
1484 void SCR_DrawConsole (void);
1485 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1486
1487 int r_stereo_side;
1488
1489 void SCR_DrawScreen (void)
1490 {
1491         R_Mesh_Start();
1492
1493         if (r_timereport_active)
1494                 R_TimeReport("setup");
1495
1496         R_UpdateVariables();
1497
1498         if (cls.signon == SIGNONS)
1499         {
1500                 float size;
1501
1502                 size = scr_viewsize.value * (1.0 / 100.0);
1503                 size = min(size, 1);
1504
1505                 if (r_stereo_sidebyside.integer)
1506                 {
1507                         r_view.width = (int)(vid.width * size / 2.5);
1508                         r_view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1509                         r_view.depth = 1;
1510                         r_view.x = (int)((vid.width - r_view.width * 2.5) * 0.5);
1511                         r_view.y = (int)((vid.height - r_view.height)/2);
1512                         r_view.z = 0;
1513                         if (r_stereo_side)
1514                                 r_view.x += (int)(r_view.width * 1.5);
1515                 }
1516                 else
1517                 {
1518                         r_view.width = (int)(vid.width * size);
1519                         r_view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1520                         r_view.depth = 1;
1521                         r_view.x = (int)((vid.width - r_view.width)/2);
1522                         r_view.y = (int)((vid.height - r_view.height)/2);
1523                         r_view.z = 0;
1524                 }
1525
1526                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1527                 // LordHavoc: this is designed to produce widescreen fov values
1528                 // when the screen is wider than 4/3 width/height aspect, to do
1529                 // this it simply assumes the requested fov is the vertical fov
1530                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1531                 // higher/lower according to the ratio
1532                 r_view.frustum_y = tan(scr_fov.value * cl.viewzoom * M_PI / 360.0) * (3.0/4.0);
1533                 r_view.frustum_x = r_view.frustum_y * (float)r_view.width / (float)r_view.height / vid_pixelheight.value;
1534
1535                 r_view.frustum_x *= r_refdef.frustumscale_x;
1536                 r_view.frustum_y *= r_refdef.frustumscale_y;
1537
1538                 if(!CL_VM_UpdateView())
1539                         R_RenderView();
1540
1541                 if (scr_zoomwindow.integer)
1542                 {
1543                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1544                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1545                         r_view.width = (int)(vid.width * sizex);
1546                         r_view.height = (int)(vid.height * sizey);
1547                         r_view.depth = 1;
1548                         r_view.x = (int)((vid.width - r_view.width)/2);
1549                         r_view.y = 0;
1550                         r_view.z = 0;
1551
1552                         r_view.frustum_y = tan(scr_zoomwindow_fov.value * cl.viewzoom * M_PI / 360.0) * (3.0/4.0);
1553                         r_view.frustum_x = r_view.frustum_y * vid_pixelheight.value * (float)r_view.width / (float)r_view.height;
1554
1555                         r_view.frustum_x *= r_refdef.frustumscale_x;
1556                         r_view.frustum_y *= r_refdef.frustumscale_y;
1557
1558                         if(!CL_VM_UpdateView())
1559                                 R_RenderView();
1560                 }
1561         }
1562
1563         if (!r_stereo_sidebyside.integer)
1564         {
1565                 r_view.width = vid.width;
1566                 r_view.height = vid.height;
1567                 r_view.depth = 1;
1568                 r_view.x = 0;
1569                 r_view.y = 0;
1570                 r_view.z = 0;
1571         }
1572
1573         // draw 2D stuff
1574
1575         if (cls.signon == SIGNONS)
1576         {
1577                 SCR_DrawNet ();
1578                 SCR_DrawTurtle ();
1579                 SCR_DrawPause ();
1580                 if (!r_letterbox.value)
1581                         Sbar_Draw();
1582                 SHOWLMP_drawall();
1583                 SCR_CheckDrawCenterString();
1584         }
1585         MR_Draw();
1586         CL_DrawVideo();
1587         R_Shadow_EditLights_DrawSelectedLightProperties();
1588
1589         SCR_DrawConsole();
1590
1591         SCR_DrawBrand();
1592
1593         SCR_DrawDownload();
1594
1595         if (r_timereport_active)
1596                 R_TimeReport("2d");
1597
1598         if (cls.signon == SIGNONS)
1599                 R_TimeReport_Frame();
1600
1601         DrawQ_Finish();
1602
1603         R_DrawGamma();
1604
1605         R_Mesh_Finish();
1606
1607         if (r_timereport_active)
1608                 R_TimeReport("meshfinish");
1609 }
1610
1611 void SCR_UpdateLoadingScreen (qboolean clear)
1612 {
1613         float x, y;
1614         cachepic_t *pic;
1615         float vertex3f[12];
1616         float texcoord2f[8];
1617         // don't do anything if not initialized yet
1618         if (vid_hidden || !scr_refresh.integer)
1619                 return;
1620         CHECKGLERROR
1621         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
1622         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1623         //qglDepthMask(1);CHECKGLERROR
1624         qglColorMask(1,1,1,1);CHECKGLERROR
1625         qglClearColor(0,0,0,0);CHECKGLERROR
1626         // when starting up a new video mode, make sure the screen is cleared to black
1627         if (clear)
1628         {
1629                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1630         }
1631         //qglDisable(GL_CULL_FACE);CHECKGLERROR
1632         //R_ClearScreen();
1633         R_Textures_Frame();
1634         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
1635         R_Mesh_Start();
1636         R_Mesh_Matrix(&identitymatrix);
1637         // draw the loading plaque
1638         pic = Draw_CachePic("gfx/loading", true);
1639         x = (vid_conwidth.integer - pic->width)/2;
1640         y = (vid_conheight.integer - pic->height)/2;
1641         GL_Color(1,1,1,1);
1642         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1643         GL_DepthTest(false);
1644         R_Mesh_VertexPointer(vertex3f);
1645         R_Mesh_ColorPointer(NULL);
1646         R_Mesh_ResetTextureState();
1647         R_Mesh_TexBind(0, R_GetTexture(pic->tex));
1648         R_Mesh_TexCoordPointer(0, 2, texcoord2f);
1649         vertex3f[2] = vertex3f[5] = vertex3f[8] = vertex3f[11] = 0;
1650         vertex3f[0] = vertex3f[9] = x;
1651         vertex3f[1] = vertex3f[4] = y;
1652         vertex3f[3] = vertex3f[6] = x + pic->width;
1653         vertex3f[7] = vertex3f[10] = y + pic->height;
1654         texcoord2f[0] = 0;texcoord2f[1] = 0;
1655         texcoord2f[2] = 1;texcoord2f[3] = 0;
1656         texcoord2f[4] = 1;texcoord2f[5] = 1;
1657         texcoord2f[6] = 0;texcoord2f[7] = 1;
1658         if (vid.stereobuffer)
1659         {
1660                 qglDrawBuffer(GL_FRONT_LEFT);
1661                 R_Mesh_Draw(0, 4, 2, polygonelements);
1662                 qglDrawBuffer(GL_FRONT_RIGHT);
1663                 R_Mesh_Draw(0, 4, 2, polygonelements);
1664         }
1665         else
1666         {
1667                 qglDrawBuffer(GL_FRONT);
1668                 R_Mesh_Draw(0, 4, 2, polygonelements);
1669         }
1670         R_Mesh_Finish();
1671         // refresh
1672         // not necessary when rendering to GL_FRONT buffers
1673         //VID_Finish(false);
1674 }
1675
1676 void CL_UpdateScreen(void)
1677 {
1678         float conwidth, conheight;
1679
1680         if (vid_hidden || !scr_refresh.integer)
1681                 return;
1682
1683         if (!scr_initialized || !con_initialized)
1684                 return;                         // not initialized yet
1685
1686         // don't allow cheats in multiplayer
1687         if (!cl.islocalgame && cl.worldmodel)
1688         {
1689                 if (r_fullbright.integer != 0)
1690                         Cvar_Set ("r_fullbright", "0");
1691                 if (r_ambient.value != 0)
1692                         Cvar_Set ("r_ambient", "0");
1693         }
1694
1695         conwidth = bound(320, vid_conwidth.value, 2048);
1696         conheight = bound(200, vid_conheight.value, 1536);
1697         if (vid_conwidth.value != conwidth)
1698                 Cvar_SetValue("vid_conwidth", conwidth);
1699         if (vid_conheight.value != conheight)
1700                 Cvar_SetValue("vid_conheight", conheight);
1701
1702         // bound viewsize
1703         if (scr_viewsize.value < 30)
1704                 Cvar_Set ("viewsize","30");
1705         if (scr_viewsize.value > 120)
1706                 Cvar_Set ("viewsize","120");
1707
1708         // bound field of view
1709         if (scr_fov.value < 1)
1710                 Cvar_Set ("fov","1");
1711         if (scr_fov.value > 170)
1712                 Cvar_Set ("fov","170");
1713
1714         // validate r_textureunits cvar
1715         if (r_textureunits.integer > gl_textureunits)
1716                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
1717         if (r_textureunits.integer < 1)
1718                 Cvar_SetValueQuick(&r_textureunits, 1);
1719
1720         // validate gl_combine cvar
1721         if (gl_combine.integer && !gl_combine_extension)
1722                 Cvar_SetValueQuick(&gl_combine, 0);
1723
1724         // intermission is always full screen
1725         if (cl.intermission)
1726                 sb_lines = 0;
1727         else
1728         {
1729                 if (scr_viewsize.value >= 120)
1730                         sb_lines = 0;           // no status bar at all
1731                 else if (scr_viewsize.value >= 110)
1732                         sb_lines = 24;          // no inventory
1733                 else
1734                         sb_lines = 24+16+8;
1735         }
1736
1737         r_view.colormask[0] = 1;
1738         r_view.colormask[1] = 1;
1739         r_view.colormask[2] = 1;
1740
1741         if (r_timereport_active)
1742                 R_TimeReport("other");
1743
1744         SCR_SetUpToDrawConsole();
1745
1746         if (r_timereport_active)
1747                 R_TimeReport("start");
1748
1749         CHECKGLERROR
1750         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
1751         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1752         qglDepthMask(1);CHECKGLERROR
1753         qglColorMask(1,1,1,1);CHECKGLERROR
1754         qglClearColor(0,0,0,0);CHECKGLERROR
1755         qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1756
1757         if(scr_stipple.integer)
1758         {
1759                 GLubyte stipple[128];
1760                 int i, s, width, parts;
1761                 static int frame = 0;
1762                 ++frame;
1763
1764                 s = scr_stipple.integer;
1765                 parts = (s & 007);
1766                 width = (s & 070) >> 3;
1767
1768                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
1769                 for(i = 0; i < 128; ++i)
1770                 {
1771                         int line = i/4;
1772                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
1773                 }
1774                 qglPolygonStipple(stipple);
1775         }
1776         else
1777                 qglDisable(GL_POLYGON_STIPPLE);
1778
1779         if (r_timereport_active)
1780                 R_TimeReport("clear");
1781
1782         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
1783         {
1784                 matrix4x4_t originalmatrix = r_view.matrix;
1785                 matrix4x4_t offsetmatrix;
1786                 Matrix4x4_CreateTranslate(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0);
1787                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
1788
1789                 if (r_stereo_sidebyside.integer)
1790                         r_stereo_side = 0;
1791
1792                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
1793                 {
1794                         r_view.colormask[0] = 1;
1795                         r_view.colormask[1] = 0;
1796                         r_view.colormask[2] = 0;
1797                 }
1798
1799                 if (vid.stereobuffer)
1800                         qglDrawBuffer(GL_BACK_RIGHT);
1801
1802                 SCR_DrawScreen();
1803
1804                 Matrix4x4_CreateTranslate(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0);
1805                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
1806
1807                 if (r_stereo_sidebyside.integer)
1808                         r_stereo_side = 1;
1809
1810                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
1811                 {
1812                         r_view.colormask[0] = 0;
1813                         r_view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
1814                         r_view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
1815                 }
1816
1817                 if (vid.stereobuffer)
1818                         qglDrawBuffer(GL_BACK_LEFT);
1819
1820                 SCR_DrawScreen();
1821
1822                 r_view.matrix = originalmatrix;
1823         }
1824         else
1825         {
1826                 qglDrawBuffer(GL_BACK);
1827                 SCR_DrawScreen();
1828         }
1829
1830         SCR_CaptureVideo();
1831
1832         VID_Finish(true);
1833         if (r_timereport_active)
1834                 R_TimeReport("finish");
1835 }
1836
1837 void CL_Screen_NewMap(void)
1838 {
1839         SHOWLMP_clear();
1840 }