implemented individual file downloads on darkplaces servers
[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         {
320                 cls.qw_downloadspeedrate = 0;
321                 cls.qw_downloadspeedtime = realtime;
322                 cls.qw_downloadspeedcount = 0;
323                 return 0;
324         }
325         if (realtime >= cls.qw_downloadspeedtime + 1)
326         {
327                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
328                 cls.qw_downloadspeedtime = realtime;
329                 cls.qw_downloadspeedcount = 0;
330         }
331         if (cls.protocol == PROTOCOL_QUAKEWORLD)
332                 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);
333         else
334                 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);
335         len = (int)strlen(temp);
336         x = (vid_conwidth.integer - len*size) / 2;
337         y = vid_conheight.integer - size - offset;
338         DrawQ_Pic(0, y, NULL, vid_conwidth.integer, size, 0, 0, 0, 0.5, 0);
339         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0);
340         return 8;
341 }
342
343 /*
344 ==============
345 SCR_DrawCurlDownload
346 ==============
347 */
348 static int SCR_DrawCurlDownload(int offset)
349 {
350         int len;
351         int nDownloads;
352         int i;
353         float x, y;
354         float size = 8;
355         Curl_downloadinfo_t *downinfo;
356         char temp[256];
357         const char *addinfo;
358
359         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
360         if(!downinfo)
361                 return 0;
362
363         y = vid_conheight.integer - size * nDownloads - offset;
364
365         if(addinfo)
366         {
367                 len = (int)strlen(addinfo);
368                 x = (vid_conwidth.integer - len*size) / 2;
369                 DrawQ_Pic(0, y - size, NULL, vid_conwidth.integer, size, 1, 1, 1, 0.8, 0);
370                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0);
371         }
372
373         for(i = 0; i != nDownloads; ++i)
374         {
375                 if(downinfo[i].queued)
376                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
377                 else if(downinfo[i].progress <= 0)
378                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
379                 else
380                         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);
381                 len = (int)strlen(temp);
382                 x = (vid_conwidth.integer - len*size) / 2;
383                 DrawQ_Pic(0, y + i * size, NULL, vid_conwidth.integer, size, 0, 0, 0, 0.8, 0);
384                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0);
385         }
386
387         Z_Free(downinfo);
388
389         return 8 * (nDownloads + (addinfo ? 1 : 0));
390 }
391
392 /*
393 ==============
394 SCR_DrawDownload
395 ==============
396 */
397 static void SCR_DrawDownload()
398 {
399         int offset = 0;
400         offset += SCR_DrawQWDownload(offset);
401         offset += SCR_DrawCurlDownload(offset);
402 }
403
404 //=============================================================================
405
406 /*
407 ==================
408 SCR_SetUpToDrawConsole
409 ==================
410 */
411 void SCR_SetUpToDrawConsole (void)
412 {
413         // lines of console to display
414         float conlines;
415         static int framecounter = 0;
416
417         Con_CheckResize ();
418
419         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
420         {
421                 if (framecounter >= 2)
422                         MR_ToggleMenu_f();
423                 else
424                         framecounter++;
425         }
426         else
427                 framecounter = 0;
428
429         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
430                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
431         else
432                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
433
434 // decide on the height of the console
435         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
436                 conlines = vid_conheight.integer/2;     // half screen
437         else
438                 conlines = 0;                           // none visible
439
440         scr_con_current = conlines;
441 }
442
443 /*
444 ==================
445 SCR_DrawConsole
446 ==================
447 */
448 void SCR_DrawConsole (void)
449 {
450         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
451         {
452                 // full screen
453                 Con_DrawConsole (vid_conheight.integer);
454         }
455         else if (scr_con_current)
456                 Con_DrawConsole ((int)scr_con_current);
457         else
458         {
459                 con_vislines = 0;
460                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
461                         Con_DrawNotify ();      // only draw notify in game
462         }
463 }
464
465 /*
466 ===============
467 SCR_BeginLoadingPlaque
468
469 ================
470 */
471 void SCR_BeginLoadingPlaque (void)
472 {
473         // save console log up to this point to log_file if it was set by configs
474         Log_Start();
475
476         Host_StartVideo();
477         S_StopAllSounds();
478         SCR_UpdateLoadingScreen(false);
479 }
480
481 //=============================================================================
482
483 char r_speeds_string[1024];
484 int speedstringcount, r_timereport_active;
485 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
486
487 void R_TimeReport(char *desc)
488 {
489         char tempbuf[256];
490         int length;
491         int t;
492
493         if (r_speeds.integer < 2 || !r_timereport_active)
494                 return;
495
496         CHECKGLERROR
497         qglFinish();CHECKGLERROR
498         r_timereport_temp = r_timereport_current;
499         r_timereport_current = Sys_DoubleTime();
500         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
501
502         dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %-11s", t, desc);
503         length = (int)strlen(tempbuf);
504         if (speedstringcount + length > (vid_conwidth.integer / 8))
505         {
506                 strlcat(r_speeds_string, "\n", sizeof(r_speeds_string));
507                 speedstringcount = 0;
508         }
509         strlcat(r_speeds_string, tempbuf, sizeof(r_speeds_string));
510         speedstringcount += length;
511 }
512
513 void R_TimeReport_Frame(void)
514 {
515         int i, j, lines, y;
516
517         if (r_speeds_string[0])
518         {
519                 if (r_timereport_active)
520                 {
521                         r_timereport_current = r_timereport_start;
522                         R_TimeReport("total");
523                 }
524
525                 if (r_speeds_string[strlen(r_speeds_string)-1] == '\n')
526                         r_speeds_string[strlen(r_speeds_string)-1] = 0;
527                 lines = 1;
528                 for (i = 0;r_speeds_string[i];i++)
529                         if (r_speeds_string[i] == '\n')
530                                 lines++;
531                 y = vid_conheight.integer - sb_lines - lines * 8;
532                 i = j = 0;
533                 DrawQ_Pic(0, y, NULL, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
534                 while (r_speeds_string[i])
535                 {
536                         j = i;
537                         while (r_speeds_string[i] && r_speeds_string[i] != '\n')
538                                 i++;
539                         if (i - j > 0)
540                                 DrawQ_String(0, y, r_speeds_string + j, i - j, 8, 8, 1, 1, 1, 1, 0);
541                         if (r_speeds_string[i] == '\n')
542                                 i++;
543                         y += 8;
544                 }
545                 r_speeds_string[0] = 0;
546                 r_timereport_active = false;
547         }
548         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
549         {
550                 speedstringcount = 0;
551                 r_speeds_string[0] = 0;
552                 r_timereport_active = false;
553                 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]);
554                 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);
555                 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);
556                 if (r_refdef.stats.bloom)
557                         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);
558                 else
559                         sprintf(r_speeds_string + strlen(r_speeds_string), "rendered%6i meshes%8i triangles\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3);
560
561                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
562
563                 if (r_speeds.integer >= 2)
564                 {
565                         r_timereport_active = true;
566                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
567                 }
568         }
569 }
570
571 /*
572 =================
573 SCR_SizeUp_f
574
575 Keybinding command
576 =================
577 */
578 void SCR_SizeUp_f (void)
579 {
580         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
581 }
582
583
584 /*
585 =================
586 SCR_SizeDown_f
587
588 Keybinding command
589 =================
590 */
591 void SCR_SizeDown_f (void)
592 {
593         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
594 }
595
596 void CL_Screen_Init(void)
597 {
598         Cvar_RegisterVariable (&scr_fov);
599         Cvar_RegisterVariable (&scr_viewsize);
600         Cvar_RegisterVariable (&scr_conalpha);
601         Cvar_RegisterVariable (&scr_conbrightness);
602         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
603         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
604         Cvar_RegisterVariable (&scr_showram);
605         Cvar_RegisterVariable (&scr_showturtle);
606         Cvar_RegisterVariable (&scr_showpause);
607         Cvar_RegisterVariable (&scr_showbrand);
608         Cvar_RegisterVariable (&scr_centertime);
609         Cvar_RegisterVariable (&scr_printspeed);
610         Cvar_RegisterVariable (&vid_conwidth);
611         Cvar_RegisterVariable (&vid_conheight);
612         Cvar_RegisterVariable (&vid_pixelheight);
613         Cvar_RegisterVariable (&scr_screenshot_jpeg);
614         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
615         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
616         Cvar_RegisterVariable (&cl_capturevideo);
617         Cvar_RegisterVariable (&cl_capturevideo_realtime);
618         Cvar_RegisterVariable (&cl_capturevideo_fps);
619         Cvar_RegisterVariable (&cl_capturevideo_number);
620         Cvar_RegisterVariable (&r_letterbox);
621         Cvar_RegisterVariable(&r_stereo_separation);
622         Cvar_RegisterVariable(&r_stereo_sidebyside);
623         Cvar_RegisterVariable(&r_stereo_redblue);
624         Cvar_RegisterVariable(&r_stereo_redcyan);
625         Cvar_RegisterVariable(&r_stereo_redgreen);
626         Cvar_RegisterVariable(&scr_zoomwindow);
627         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
628         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
629         Cvar_RegisterVariable(&scr_zoomwindow_fov);
630         Cvar_RegisterVariable(&scr_stipple);
631
632         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
633         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
634         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
635         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
636
637         scr_initialized = true;
638 }
639
640 /*
641 ==================
642 SCR_ScreenShot_f
643 ==================
644 */
645 void SCR_ScreenShot_f (void)
646 {
647         static int shotnumber;
648         static char oldname[MAX_QPATH];
649         char base[MAX_QPATH];
650         char filename[MAX_QPATH];
651         unsigned char *buffer1;
652         unsigned char *buffer2;
653         unsigned char *buffer3;
654         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
655
656         sprintf (base, "screenshots/%s", scr_screenshot_name.string);
657
658         if (strcmp (oldname, scr_screenshot_name.string))
659         {
660                 sprintf(oldname, "%s", scr_screenshot_name.string);
661                 shotnumber = 0;
662         }
663
664         // find a file name to save it to
665         for (;shotnumber < 1000000;shotnumber++)
666                 if (!FS_SysFileExists(va("%s/%s%06d.tga", fs_gamedir, base, shotnumber)) && !FS_SysFileExists(va("%s/%s%06d.jpg", fs_gamedir, base, shotnumber)))
667                         break;
668         if (shotnumber >= 1000000)
669         {
670                 Con_Print("SCR_ScreenShot_f: Couldn't create the image file\n");
671                 return;
672         }
673
674         sprintf(filename, "%s%06d.%s", base, shotnumber, jpeg ? "jpg" : "tga");
675
676         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
677         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
678         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
679
680         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
681                 Con_Printf("Wrote %s\n", filename);
682         else
683                 Con_Printf("unable to write %s\n", filename);
684
685         Mem_Free (buffer1);
686         Mem_Free (buffer2);
687         Mem_Free (buffer3);
688
689         shotnumber++;
690 }
691
692 static void SCR_CaptureVideo_RIFF_Start(void)
693 {
694         memset(&cls.capturevideo.riffbuffer, 0, sizeof(sizebuf_t));
695         cls.capturevideo.riffbuffer.maxsize = sizeof(cls.capturevideo.riffbufferdata);
696         cls.capturevideo.riffbuffer.data = cls.capturevideo.riffbufferdata;
697 }
698
699 static void SCR_CaptureVideo_RIFF_Flush(void)
700 {
701         if (cls.capturevideo.riffbuffer.cursize > 0)
702         {
703                 if (!FS_Write(cls.capturevideo.videofile, cls.capturevideo.riffbuffer.data, cls.capturevideo.riffbuffer.cursize))
704                         cls.capturevideo.error = true;
705                 cls.capturevideo.riffbuffer.cursize = 0;
706                 cls.capturevideo.riffbuffer.overflowed = false;
707         }
708 }
709
710 static void SCR_CaptureVideo_RIFF_WriteBytes(const unsigned char *data, size_t size)
711 {
712         SCR_CaptureVideo_RIFF_Flush();
713         if (!FS_Write(cls.capturevideo.videofile, data, size))
714                 cls.capturevideo.error = true;
715 }
716
717 static void SCR_CaptureVideo_RIFF_Write32(int n)
718 {
719         if (cls.capturevideo.riffbuffer.cursize + 4 > cls.capturevideo.riffbuffer.maxsize)
720                 SCR_CaptureVideo_RIFF_Flush();
721         MSG_WriteLong(&cls.capturevideo.riffbuffer, n);
722 }
723
724 static void SCR_CaptureVideo_RIFF_Write16(int n)
725 {
726         if (cls.capturevideo.riffbuffer.cursize + 2 > cls.capturevideo.riffbuffer.maxsize)
727                 SCR_CaptureVideo_RIFF_Flush();
728         MSG_WriteShort(&cls.capturevideo.riffbuffer, n);
729 }
730
731 static void SCR_CaptureVideo_RIFF_WriteFourCC(const char *chunkfourcc)
732 {
733         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(chunkfourcc) > cls.capturevideo.riffbuffer.maxsize)
734                 SCR_CaptureVideo_RIFF_Flush();
735         MSG_WriteUnterminatedString(&cls.capturevideo.riffbuffer, chunkfourcc);
736 }
737
738 static void SCR_CaptureVideo_RIFF_WriteTerminatedString(const char *string)
739 {
740         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(string) > cls.capturevideo.riffbuffer.maxsize)
741                 SCR_CaptureVideo_RIFF_Flush();
742         MSG_WriteString(&cls.capturevideo.riffbuffer, string);
743 }
744
745 static fs_offset_t SCR_CaptureVideo_RIFF_GetPosition(void)
746 {
747         SCR_CaptureVideo_RIFF_Flush();
748         return FS_Tell(cls.capturevideo.videofile);
749 }
750
751 static void SCR_CaptureVideo_RIFF_Push(const char *chunkfourcc, const char *listtypefourcc)
752 {
753         SCR_CaptureVideo_RIFF_WriteFourCC(chunkfourcc);
754         SCR_CaptureVideo_RIFF_Write32(0);
755         SCR_CaptureVideo_RIFF_Flush();
756         cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel++] = SCR_CaptureVideo_RIFF_GetPosition();
757         if (listtypefourcc)
758                 SCR_CaptureVideo_RIFF_WriteFourCC(listtypefourcc);
759 }
760
761 static void SCR_CaptureVideo_RIFF_Pop(void)
762 {
763         fs_offset_t offset;
764         int x;
765         unsigned char sizebytes[4];
766         // write out the chunk size and then return to the current file position
767         cls.capturevideo.riffstacklevel--;
768         offset = SCR_CaptureVideo_RIFF_GetPosition();
769         x = (int)(offset - (cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel]));
770         sizebytes[0] = (x) & 0xff;sizebytes[1] = (x >> 8) & 0xff;sizebytes[2] = (x >> 16) & 0xff;sizebytes[3] = (x >> 24) & 0xff;
771         FS_Seek(cls.capturevideo.videofile, -(x + 4), SEEK_END);
772         FS_Write(cls.capturevideo.videofile, sizebytes, 4);
773         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
774         if (offset & 1)
775         {
776                 unsigned char c = 0;
777                 FS_Write(cls.capturevideo.videofile, &c, 1);
778         }
779 }
780
781 static void SCR_CaptureVideo_RIFF_IndexEntry(const char *chunkfourcc, int chunksize, int flags)
782 {
783         if (cls.capturevideo.riffstacklevel != 2)
784                 Sys_Error("SCR_Capturevideo_RIFF_IndexEntry: RIFF stack level is %i (should be 2)\n", cls.capturevideo.riffstacklevel);
785         if (cls.capturevideo.riffindexbuffer.cursize + 16 > cls.capturevideo.riffindexbuffer.maxsize)
786         {
787                 int oldsize = cls.capturevideo.riffindexbuffer.maxsize;
788                 unsigned char *olddata;
789                 olddata = cls.capturevideo.riffindexbuffer.data;
790                 cls.capturevideo.riffindexbuffer.maxsize = max(cls.capturevideo.riffindexbuffer.maxsize * 2, 4096);
791                 cls.capturevideo.riffindexbuffer.data = Mem_Alloc(tempmempool, cls.capturevideo.riffindexbuffer.maxsize);
792                 if (olddata)
793                 {
794                         memcpy(cls.capturevideo.riffindexbuffer.data, olddata, oldsize);
795                         Mem_Free(olddata);
796                 }
797         }
798         MSG_WriteUnterminatedString(&cls.capturevideo.riffindexbuffer, chunkfourcc);
799         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, flags);
800         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, (int)FS_Tell(cls.capturevideo.videofile) - cls.capturevideo.riffstackstartoffset[1]);
801         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, chunksize);
802 }
803
804 static void SCR_CaptureVideo_RIFF_Finish(void)
805 {
806         // close the "movi" list
807         SCR_CaptureVideo_RIFF_Pop();
808         // write the idx1 chunk that we've been building while saving the frames
809         SCR_CaptureVideo_RIFF_Push("idx1", NULL);
810         SCR_CaptureVideo_RIFF_WriteBytes(cls.capturevideo.riffindexbuffer.data, cls.capturevideo.riffindexbuffer.cursize);
811         SCR_CaptureVideo_RIFF_Pop();
812         cls.capturevideo.riffindexbuffer.cursize = 0;
813         // pop the RIFF chunk itself
814         while (cls.capturevideo.riffstacklevel > 0)
815                 SCR_CaptureVideo_RIFF_Pop();
816         SCR_CaptureVideo_RIFF_Flush();
817 }
818
819 static void SCR_CaptureVideo_RIFF_OverflowCheck(int framesize)
820 {
821         fs_offset_t cursize;
822         if (cls.capturevideo.riffstacklevel != 2)
823                 Sys_Error("SCR_CaptureVideo_RIFF_OverflowCheck: chunk stack leakage!\n");
824         // check where we are in the file
825         SCR_CaptureVideo_RIFF_Flush();
826         cursize = SCR_CaptureVideo_RIFF_GetPosition() - cls.capturevideo.riffstackstartoffset[0];
827         // if this would overflow the windows limit of 1GB per RIFF chunk, we need
828         // to close the current RIFF chunk and open another for future frames
829         if (8 + cursize + framesize > 1<<30)
830         {
831                 SCR_CaptureVideo_RIFF_Finish();
832                 while (cls.capturevideo.riffstacklevel > 0)
833                         SCR_CaptureVideo_RIFF_Pop();
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                 else
1541                         SCR_DrawConsole();
1542
1543                 if (scr_zoomwindow.integer)
1544                 {
1545                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1546                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1547                         r_view.width = (int)(vid.width * sizex);
1548                         r_view.height = (int)(vid.height * sizey);
1549                         r_view.depth = 1;
1550                         r_view.x = (int)((vid.width - r_view.width)/2);
1551                         r_view.y = 0;
1552                         r_view.z = 0;
1553
1554                         r_view.frustum_y = tan(scr_zoomwindow_fov.value * cl.viewzoom * M_PI / 360.0) * (3.0/4.0);
1555                         r_view.frustum_x = r_view.frustum_y * vid_pixelheight.value * (float)r_view.width / (float)r_view.height;
1556
1557                         r_view.frustum_x *= r_refdef.frustumscale_x;
1558                         r_view.frustum_y *= r_refdef.frustumscale_y;
1559
1560                         if(!CL_VM_UpdateView())
1561                                 R_RenderView();
1562                 }
1563         }
1564
1565         if (!r_stereo_sidebyside.integer)
1566         {
1567                 r_view.width = vid.width;
1568                 r_view.height = vid.height;
1569                 r_view.depth = 1;
1570                 r_view.x = 0;
1571                 r_view.y = 0;
1572                 r_view.z = 0;
1573         }
1574
1575         // draw 2D stuff
1576
1577         //FIXME: force menu if nothing else to look at?
1578         //if (key_dest == key_game && cls.signon != SIGNONS && cls.state == ca_disconnected)
1579
1580         if (cls.signon == SIGNONS)
1581         {
1582                 SCR_DrawNet ();
1583                 SCR_DrawTurtle ();
1584                 SCR_DrawPause ();
1585                 if (!r_letterbox.value)
1586                         Sbar_Draw();
1587                 SHOWLMP_drawall();
1588                 SCR_CheckDrawCenterString();
1589         }
1590         MR_Draw();
1591         CL_DrawVideo();
1592         R_Shadow_EditLights_DrawSelectedLightProperties();
1593
1594         if(!csqc_loaded)
1595                 SCR_DrawConsole();
1596
1597         SCR_DrawBrand();
1598
1599         SCR_DrawDownload();
1600
1601         if (r_timereport_active)
1602                 R_TimeReport("2d");
1603
1604         if (cls.signon == SIGNONS)
1605                 R_TimeReport_Frame();
1606
1607         DrawQ_Finish();
1608
1609         R_DrawGamma();
1610
1611         R_Mesh_Finish();
1612
1613         if (r_timereport_active)
1614                 R_TimeReport("meshfinish");
1615 }
1616
1617 void SCR_UpdateLoadingScreen (qboolean clear)
1618 {
1619         float x, y;
1620         cachepic_t *pic;
1621         float vertex3f[12];
1622         float texcoord2f[8];
1623         // don't do anything if not initialized yet
1624         if (vid_hidden)
1625                 return;
1626         CHECKGLERROR
1627         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
1628         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1629         //qglDepthMask(1);CHECKGLERROR
1630         qglColorMask(1,1,1,1);CHECKGLERROR
1631         qglClearColor(0,0,0,0);CHECKGLERROR
1632         // when starting up a new video mode, make sure the screen is cleared to black
1633         if (clear)
1634         {
1635                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1636         }
1637         //qglDisable(GL_CULL_FACE);CHECKGLERROR
1638         //R_ClearScreen();
1639         R_Textures_Frame();
1640         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
1641         R_Mesh_Start();
1642         R_Mesh_Matrix(&identitymatrix);
1643         // draw the loading plaque
1644         pic = Draw_CachePic("gfx/loading", true);
1645         x = (vid_conwidth.integer - pic->width)/2;
1646         y = (vid_conheight.integer - pic->height)/2;
1647         GL_Color(1,1,1,1);
1648         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1649         GL_DepthTest(false);
1650         R_Mesh_VertexPointer(vertex3f);
1651         R_Mesh_ColorPointer(NULL);
1652         R_Mesh_ResetTextureState();
1653         R_Mesh_TexBind(0, R_GetTexture(pic->tex));
1654         R_Mesh_TexCoordPointer(0, 2, texcoord2f);
1655         vertex3f[2] = vertex3f[5] = vertex3f[8] = vertex3f[11] = 0;
1656         vertex3f[0] = vertex3f[9] = x;
1657         vertex3f[1] = vertex3f[4] = y;
1658         vertex3f[3] = vertex3f[6] = x + pic->width;
1659         vertex3f[7] = vertex3f[10] = y + pic->height;
1660         texcoord2f[0] = 0;texcoord2f[1] = 0;
1661         texcoord2f[2] = 1;texcoord2f[3] = 0;
1662         texcoord2f[4] = 1;texcoord2f[5] = 1;
1663         texcoord2f[6] = 0;texcoord2f[7] = 1;
1664         if (vid.stereobuffer)
1665         {
1666                 qglDrawBuffer(GL_FRONT_LEFT);
1667                 R_Mesh_Draw(0, 4, 2, polygonelements);
1668                 qglDrawBuffer(GL_FRONT_RIGHT);
1669                 R_Mesh_Draw(0, 4, 2, polygonelements);
1670         }
1671         else
1672         {
1673                 qglDrawBuffer(GL_FRONT);
1674                 R_Mesh_Draw(0, 4, 2, polygonelements);
1675         }
1676         R_Mesh_Finish();
1677         // refresh
1678         // not necessary when rendering to GL_FRONT buffers
1679         //VID_Finish(false);
1680 }
1681
1682 void CL_UpdateScreen(void)
1683 {
1684         float conwidth, conheight;
1685
1686         if (vid_hidden)
1687                 return;
1688
1689         if (!scr_initialized || !con_initialized || vid_hidden)
1690                 return;                         // not initialized yet
1691
1692         // don't allow cheats in multiplayer
1693         if (!cl.islocalgame && cl.worldmodel)
1694         {
1695                 if (r_fullbright.integer != 0)
1696                         Cvar_Set ("r_fullbright", "0");
1697                 if (r_ambient.value != 0)
1698                         Cvar_Set ("r_ambient", "0");
1699         }
1700
1701         conwidth = bound(320, vid_conwidth.value, 2048);
1702         conheight = bound(200, vid_conheight.value, 1536);
1703         if (vid_conwidth.value != conwidth)
1704                 Cvar_SetValue("vid_conwidth", conwidth);
1705         if (vid_conheight.value != conheight)
1706                 Cvar_SetValue("vid_conheight", conheight);
1707
1708         // bound viewsize
1709         if (scr_viewsize.value < 30)
1710                 Cvar_Set ("viewsize","30");
1711         if (scr_viewsize.value > 120)
1712                 Cvar_Set ("viewsize","120");
1713
1714         // bound field of view
1715         if (scr_fov.value < 1)
1716                 Cvar_Set ("fov","1");
1717         if (scr_fov.value > 170)
1718                 Cvar_Set ("fov","170");
1719
1720         // validate r_textureunits cvar
1721         if (r_textureunits.integer > gl_textureunits)
1722                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
1723         if (r_textureunits.integer < 1)
1724                 Cvar_SetValueQuick(&r_textureunits, 1);
1725
1726         // validate gl_combine cvar
1727         if (gl_combine.integer && !gl_combine_extension)
1728                 Cvar_SetValueQuick(&gl_combine, 0);
1729
1730         // intermission is always full screen
1731         if (cl.intermission)
1732                 sb_lines = 0;
1733         else
1734         {
1735                 if (scr_viewsize.value >= 120)
1736                         sb_lines = 0;           // no status bar at all
1737                 else if (scr_viewsize.value >= 110)
1738                         sb_lines = 24;          // no inventory
1739                 else
1740                         sb_lines = 24+16+8;
1741         }
1742
1743         r_view.colormask[0] = 1;
1744         r_view.colormask[1] = 1;
1745         r_view.colormask[2] = 1;
1746
1747         if (r_timereport_active)
1748                 R_TimeReport("other");
1749
1750         SCR_SetUpToDrawConsole();
1751
1752         if (r_timereport_active)
1753                 R_TimeReport("start");
1754
1755         CHECKGLERROR
1756         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
1757         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1758         qglDepthMask(1);CHECKGLERROR
1759         qglColorMask(1,1,1,1);CHECKGLERROR
1760         qglClearColor(0,0,0,0);CHECKGLERROR
1761         qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1762
1763         if(scr_stipple.integer)
1764         {
1765                 GLubyte stipple[128];
1766                 int i, s, width, parts;
1767                 static int frame = 0;
1768                 ++frame;
1769
1770                 s = scr_stipple.integer;
1771                 parts = (s & 007);
1772                 width = (s & 070) >> 3;
1773
1774                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
1775                 for(i = 0; i < 128; ++i)
1776                 {
1777                         int line = i/4;
1778                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
1779                 }
1780                 qglPolygonStipple(stipple);
1781         }
1782         else
1783                 qglDisable(GL_POLYGON_STIPPLE);
1784
1785         if (r_timereport_active)
1786                 R_TimeReport("clear");
1787
1788         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
1789         {
1790                 matrix4x4_t originalmatrix = r_view.matrix;
1791                 matrix4x4_t offsetmatrix;
1792                 Matrix4x4_CreateTranslate(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0);
1793                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
1794
1795                 if (r_stereo_sidebyside.integer)
1796                         r_stereo_side = 0;
1797
1798                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
1799                 {
1800                         r_view.colormask[0] = 1;
1801                         r_view.colormask[1] = 0;
1802                         r_view.colormask[2] = 0;
1803                 }
1804
1805                 if (vid.stereobuffer)
1806                         qglDrawBuffer(GL_BACK_RIGHT);
1807
1808                 SCR_DrawScreen();
1809
1810                 Matrix4x4_CreateTranslate(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0);
1811                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
1812
1813                 if (r_stereo_sidebyside.integer)
1814                         r_stereo_side = 1;
1815
1816                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
1817                 {
1818                         r_view.colormask[0] = 0;
1819                         r_view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
1820                         r_view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
1821                 }
1822
1823                 if (vid.stereobuffer)
1824                         qglDrawBuffer(GL_BACK_LEFT);
1825
1826                 SCR_DrawScreen();
1827
1828                 r_view.matrix = originalmatrix;
1829         }
1830         else
1831         {
1832                 qglDrawBuffer(GL_BACK);
1833                 SCR_DrawScreen();
1834         }
1835
1836         SCR_CaptureVideo();
1837
1838         VID_Finish(true);
1839         if (r_timereport_active)
1840                 R_TimeReport("finish");
1841 }
1842
1843 void CL_Screen_NewMap(void)
1844 {
1845         SHOWLMP_clear();
1846 }