cl_screen.c

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