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 #include "cap_avi.h"
  10 #include "cap_ogg.h"
  11
  12 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
  13 #include "snd_main.h"
  14
  15 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
  16 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
  17 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background"};
  18 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
  19 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
  20 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
  21 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
  22 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
  23 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
  24 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
  25 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
  26 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
  27 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
  28 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
  29 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
  30 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)"};
  31 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
  32 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
  33 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
  34 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
  35 // scr_screenshot_name is defined in fs.c
  36 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)"};
  37 cvar_t cl_capturevideo_printfps = {CVAR_SAVE, "cl_capturevideo_printfps", "1", "prints the frames per second captured in capturevideo (is only written to the log file, not to the console, as that would be visible on the video)"};
  38 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
  39 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
  40 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 a minute"};
  41 cvar_t cl_capturevideo_fps = {CVAR_SAVE, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
  42 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
  43 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
  44 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
  45 cvar_t cl_capturevideo_framestep = {CVAR_SAVE, "cl_capturevideo_framestep", "1", "when set to n >= 1, render n frames to capture one (useful for motion blur like effects)"};
  46 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)"};
  47 cvar_t r_stereo_separation = {0, "r_stereo_separation", "4", "separation distance of eyes in the world (negative values are only useful for cross-eyed viewing)"};
  48 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 (note: use a negative r_stereo_separation if you want cross-eyed viewing)"};
  49 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)"};
  50 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"};
  51 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  52 cvar_t r_stereo_angle = {0, "r_stereo_angle", "0", "separation angle of eyes (makes the views look different directions, as an example, 90 gives a 90 degree separation where the views are 45 degrees left and 45 degrees right)"};
  53 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
  54 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
  55 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
  56 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
  57 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
  58 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  59 cvar_t scr_screenshot_name_in_mapdir = {CVAR_SAVE, "scr_screenshot_name_in_mapdir", "0", "if set to 1, screenshots are placed in a subdirectory named like the map they are from"};
  60 cvar_t shownetgraph = {CVAR_SAVE, "shownetgraph", "0", "shows a graph of packet sizes and other information, 0 = off, 1 = show client netgraph, 2 = show client and server netgraphs (when hosting a server)"};
  61 cvar_t cl_demo_mousegrab = {0, "cl_demo_mousegrab", "0", "Allows reading the mouse input while playing demos. Useful for camera mods developed in csqc. (0: never, 1: always)"};
  62 cvar_t timedemo_screenshotframelist = {0, "timedemo_screenshotframelist", "", "when performing a timedemo, take screenshots of each frame in this space-separated list - example: 1 201 401"};
  63
  64 extern cvar_t v_glslgamma;
  65 extern cvar_t sbar_info_pos;
  66 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
  67
  68 int jpeg_supported = false;
  69
  70 qboolean        scr_initialized;                // ready to draw
  71
  72 float           scr_con_current;
  73 int                     scr_con_margin_bottom;
  74
  75 extern int      con_vislines;
  76
  77 static void SCR_ScreenShot_f (void);
  78 static void R_Envmap_f (void);
  79
  80 // backend
  81 void R_ClearScreen(qboolean fogcolor);
  82
  83 /*
  84 ===============================================================================
  85
  86 CENTER PRINTING
  87
  88 ===============================================================================
  89 */
  90
  91 char            scr_centerstring[MAX_INPUTLINE];
  92 float           scr_centertime_start;   // for slow victory printing
  93 float           scr_centertime_off;
  94 int                     scr_center_lines;
  95 int                     scr_erase_lines;
  96 int                     scr_erase_center;
  97 char        scr_infobarstring[MAX_INPUTLINE];
  98 float       scr_infobartime_off;
  99
 100 /*
 101 ==============
 102 SCR_CenterPrint
 103
 104 Called for important messages that should stay in the center of the screen
 105 for a few moments
 106 ==============
 107 */
 108 void SCR_CenterPrint(const char *str)
 109 {
 110         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
 111         scr_centertime_off = scr_centertime.value;
 112         scr_centertime_start = cl.time;
 113
 114 // count the number of lines for centering
 115         scr_center_lines = 1;
 116         while (*str)
 117         {
 118                 if (*str == '\n')
 119                         scr_center_lines++;
 120                 str++;
 121         }
 122 }
 123
 124
 125 void SCR_DrawCenterString (void)
 126 {
 127         char    *start;
 128         int             x, y;
 129         int             remaining;
 130         int             color;
 131
 132         if(cl.intermission == 2) // in finale,
 133                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 134                         return;
 135
 136         if(scr_centertime.value <= 0 && !cl.intermission)
 137                 return;
 138
 139 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 140         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 141                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 142         else
 143                 remaining = 9999;
 144
 145         scr_erase_center = 0;
 146         start = scr_centerstring;
 147
 148         if (remaining < 1)
 149                 return;
 150
 151         if (scr_center_lines <= 4)
 152                 y = (int)(vid_conheight.integer*0.35);
 153         else
 154                 y = 48;
 155
 156         color = -1;
 157         do
 158         {
 159                 // scan the number of characters on the line, not counting color codes
 160                 char *newline = strchr(start, '\n');
 161                 int l = newline ? (newline - start) : (int)strlen(start);
 162                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
 163
 164                 x = (int) (vid_conwidth.integer - width)/2;
 165                 if (l > 0)
 166                 {
 167                         if (remaining < l)
 168                                 l = remaining;
 169                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 170                         remaining -= l;
 171                         if (remaining <= 0)
 172                                 return;
 173                 }
 174                 y += 8;
 175
 176                 if (!newline)
 177                         break;
 178                 start = newline + 1; // skip the \n
 179         } while (1);
 180 }
 181
 182 void SCR_CheckDrawCenterString (void)
 183 {
 184         if (scr_center_lines > scr_erase_lines)
 185                 scr_erase_lines = scr_center_lines;
 186
 187         if (cl.time > cl.oldtime)
 188                 scr_centertime_off -= cl.time - cl.oldtime;
 189
 190         // don't draw if this is a normal stats-screen intermission,
 191         // only if it is not an intermission, or a finale intermission
 192         if (cl.intermission == 1)
 193                 return;
 194         if (scr_centertime_off <= 0 && !cl.intermission)
 195                 return;
 196         if (key_dest != key_game)
 197                 return;
 198
 199         SCR_DrawCenterString ();
 200 }
 201
 202 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
 203 {
 204         netgraphitem_t *graph;
 205         int j, x, y;
 206         int totalbytes = 0;
 207         char bytesstring[128];
 208         float g[NETGRAPH_PACKETS][6];
 209         float *a;
 210         float *b;
 211         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
 212         // draw the bar graph itself
 213         // advance the packet counter because it is the latest packet column being
 214         // built up and should come last
 215         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 216         memset(g, 0, sizeof(g));
 217         for (j = 0;j < NETGRAPH_PACKETS;j++)
 218         {
 219                 graph = netgraph + j;
 220                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
 221                 g[j][1] = 1.0f;
 222                 g[j][2] = 1.0f;
 223                 g[j][3] = 1.0f;
 224                 g[j][4] = 1.0f;
 225                 g[j][5] = 1.0f;
 226                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
 227                         g[j][1] = 0.00f;
 228                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
 229                         g[j][2] = 0.96f;
 230                 else
 231                 {
 232                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
 233                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
 234                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
 235                         // count bytes in the last second
 236                         if (realtime - graph->time < 1.0f)
 237                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
 238                 }
 239                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
 240                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
 241                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
 242                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
 243                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
 244         }
 245         // render the lines for the graph
 246         for (j = 0;j < NETGRAPH_PACKETS;j++)
 247         {
 248                 a = g[j];
 249                 b = g[(j+1)%NETGRAPH_PACKETS];
 250                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
 251                         continue;
 252                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[2], graphx + graphwidth * b[0], graphy + graphheight * b[2], 1.0f, 1.0f, 0.0f, 1.0f, 0);
 253                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[1], graphx + graphwidth * b[0], graphy + graphheight * b[1], 1.0f, 0.0f, 0.0f, 1.0f, 0);
 254                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[5], graphx + graphwidth * b[0], graphy + graphheight * b[5], 0.0f, 1.0f, 0.0f, 1.0f, 0);
 255                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[4], graphx + graphwidth * b[0], graphy + graphheight * b[4], 1.0f, 1.0f, 1.0f, 1.0f, 0);
 256                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[3], graphx + graphwidth * b[0], graphy + graphheight * b[3], 1.0f, 0.5f, 0.0f, 1.0f, 0);
 257         }
 258         x = graphx;
 259         y = graphy + graphheight;
 260         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
 261         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 262         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 263 }
 264
 265 /*
 266 ==============
 267 SCR_DrawNetGraph
 268 ==============
 269 */
 270 void SCR_DrawNetGraph (void)
 271 {
 272         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 273         float graphscale;
 274         netconn_t *c;
 275
 276         if (cls.state != ca_connected)
 277                 return;
 278         if (!cls.netcon)
 279                 return;
 280         if (!shownetgraph.integer)
 281                 return;
 282
 283         separator1 = 2;
 284         separator2 = 4;
 285         textsize = 8;
 286         graphwidth = 120;
 287         graphheight = 70;
 288         graphscale = 1.0f / 1500.0f;
 289
 290         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
 291         netgraphsperrow = max(netgraphsperrow, 1);
 292
 293         index = 0;
 294         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 295         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 296         c = cls.netcon;
 297         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
 298         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 299         index++;
 300
 301         if (sv.active && shownetgraph.integer >= 2)
 302         {
 303                 for (i = 0;i < svs.maxclients;i++)
 304                 {
 305                         c = svs.clients[i].netconnection;
 306                         if (!c)
 307                                 continue;
 308                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 309                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 310                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 311                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
 312                         index++;
 313                 }
 314         }
 315 }
 316
 317 /*
 318 ==============
 319 SCR_DrawTurtle
 320 ==============
 321 */
 322 void SCR_DrawTurtle (void)
 323 {
 324         static int      count;
 325
 326         if (cls.state != ca_connected)
 327                 return;
 328
 329         if (!scr_showturtle.integer)
 330                 return;
 331
 332         if (cl.realframetime < 0.1)
 333         {
 334                 count = 0;
 335                 return;
 336         }
 337
 338         count++;
 339         if (count < 3)
 340                 return;
 341
 342         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
 343 }
 344
 345 /*
 346 ==============
 347 SCR_DrawNet
 348 ==============
 349 */
 350 void SCR_DrawNet (void)
 351 {
 352         if (cls.state != ca_connected)
 353                 return;
 354         if (realtime - cl.last_received_message < 0.3)
 355                 return;
 356         if (cls.demoplayback)
 357                 return;
 358
 359         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
 360 }
 361
 362 /*
 363 ==============
 364 DrawPause
 365 ==============
 366 */
 367 void SCR_DrawPause (void)
 368 {
 369         cachepic_t      *pic;
 370
 371         if (cls.state != ca_connected)
 372                 return;
 373
 374         if (!scr_showpause.integer)             // turn off for screenshots
 375                 return;
 376
 377         if (!cl.paused)
 378                 return;
 379
 380         pic = Draw_CachePic ("gfx/pause");
 381         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 382 }
 383
 384 /*
 385 ==============
 386 SCR_DrawBrand
 387 ==============
 388 */
 389 void SCR_DrawBrand (void)
 390 {
 391         cachepic_t      *pic;
 392         float           x, y;
 393
 394         if (!scr_showbrand.value)
 395                 return;
 396
 397         pic = Draw_CachePic ("gfx/brand");
 398
 399         switch ((int)scr_showbrand.value)
 400         {
 401         case 1: // bottom left
 402                 x = 0;
 403                 y = vid_conheight.integer - pic->height;
 404                 break;
 405         case 2: // bottom centre
 406                 x = (vid_conwidth.integer - pic->width) / 2;
 407                 y = vid_conheight.integer - pic->height;
 408                 break;
 409         case 3: // bottom right
 410                 x = vid_conwidth.integer - pic->width;
 411                 y = vid_conheight.integer - pic->height;
 412                 break;
 413         case 4: // centre right
 414                 x = vid_conwidth.integer - pic->width;
 415                 y = (vid_conheight.integer - pic->height) / 2;
 416                 break;
 417         case 5: // top right
 418                 x = vid_conwidth.integer - pic->width;
 419                 y = 0;
 420                 break;
 421         case 6: // top centre
 422                 x = (vid_conwidth.integer - pic->width) / 2;
 423                 y = 0;
 424                 break;
 425         case 7: // top left
 426                 x = 0;
 427                 y = 0;
 428                 break;
 429         case 8: // centre left
 430                 x = 0;
 431                 y = (vid_conheight.integer - pic->height) / 2;
 432                 break;
 433         default:
 434                 return;
 435         }
 436
 437         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 438 }
 439
 440 /*
 441 ==============
 442 SCR_DrawQWDownload
 443 ==============
 444 */
 445 static int SCR_DrawQWDownload(int offset)
 446 {
 447         // sync with SCR_InfobarHeight
 448         int len;
 449         float x, y;
 450         float size = 8;
 451         char temp[256];
 452
 453         if (!cls.qw_downloadname[0])
 454         {
 455                 cls.qw_downloadspeedrate = 0;
 456                 cls.qw_downloadspeedtime = realtime;
 457                 cls.qw_downloadspeedcount = 0;
 458                 return 0;
 459         }
 460         if (realtime >= cls.qw_downloadspeedtime + 1)
 461         {
 462                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 463                 cls.qw_downloadspeedtime = realtime;
 464                 cls.qw_downloadspeedcount = 0;
 465         }
 466         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 467                 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);
 468         else
 469                 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);
 470         len = (int)strlen(temp);
 471         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 472         y = vid_conheight.integer - size - offset;
 473         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 474         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 475         return 8;
 476 }
 477 /*
 478 ==============
 479 SCR_DrawInfobarString
 480 ==============
 481 */
 482 static int SCR_DrawInfobarString(int offset)
 483 {
 484         int len;
 485         float x, y;
 486         float size = 8;
 487
 488         len = (int)strlen(scr_infobarstring);
 489         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
 490         y = vid_conheight.integer - size - offset;
 491         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 492         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
 493         return 8;
 494 }
 495
 496 /*
 497 ==============
 498 SCR_DrawCurlDownload
 499 ==============
 500 */
 501 static int SCR_DrawCurlDownload(int offset)
 502 {
 503         // sync with SCR_InfobarHeight
 504         int len;
 505         int nDownloads;
 506         int i;
 507         float x, y;
 508         float size = 8;
 509         Curl_downloadinfo_t *downinfo;
 510         char temp[256];
 511         const char *addinfo;
 512
 513         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 514         if(!downinfo)
 515                 return 0;
 516
 517         y = vid_conheight.integer - size * nDownloads - offset;
 518
 519         if(addinfo)
 520         {
 521                 len = (int)strlen(addinfo);
 522                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
 523                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 524                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 525         }
 526
 527         for(i = 0; i != nDownloads; ++i)
 528         {
 529                 if(downinfo[i].queued)
 530                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
 531                 else if(downinfo[i].progress <= 0)
 532                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
 533                 else
 534                         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);
 535                 len = (int)strlen(temp);
 536                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 537                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 538                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 539         }
 540
 541         Z_Free(downinfo);
 542
 543         return 8 * (nDownloads + (addinfo ? 1 : 0));
 544 }
 545
 546 /*
 547 ==============
 548 SCR_DrawInfobar
 549 ==============
 550 */
 551 static void SCR_DrawInfobar(void)
 552 {
 553         int offset = 0;
 554         if(scr_infobartime_off > 0)
 555                 offset += SCR_DrawInfobarString(offset);
 556         offset += SCR_DrawQWDownload(offset);
 557         offset += SCR_DrawCurlDownload(offset);
 558         if(offset != scr_con_margin_bottom)
 559                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 560 }
 561
 562 static int SCR_InfobarHeight(void)
 563 {
 564         int offset = 0;
 565         Curl_downloadinfo_t *downinfo;
 566         const char *addinfo;
 567         int nDownloads;
 568
 569         if (cl.time > cl.oldtime)
 570                 scr_infobartime_off -= cl.time - cl.oldtime;
 571         if(scr_infobartime_off > 0)
 572                 offset += 8;
 573
 574         if(cls.qw_downloadname[0])
 575                 offset += 8;
 576
 577         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 578         if(downinfo)
 579         {
 580                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
 581                 Z_Free(downinfo);
 582         }
 583
 584         return offset;
 585 }
 586
 587 /*
 588 ==============
 589 SCR_InfoBar_f
 590 ==============
 591 */
 592 void SCR_InfoBar_f(void)
 593 {
 594         if(Cmd_Argc() == 3)
 595         {
 596                 scr_infobartime_off = atof(Cmd_Argv(1));
 597                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
 598         }
 599         else
 600         {
 601                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
 602         }
 603 }
 604 //=============================================================================
 605
 606 /*
 607 ==================
 608 SCR_SetUpToDrawConsole
 609 ==================
 610 */
 611 void SCR_SetUpToDrawConsole (void)
 612 {
 613         // lines of console to display
 614         float conlines;
 615         static int framecounter = 0;
 616
 617         Con_CheckResize ();
 618
 619         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 620         {
 621                 if (framecounter >= 2)
 622                         MR_ToggleMenu_f();
 623                 else
 624                         framecounter++;
 625         }
 626         else
 627                 framecounter = 0;
 628
 629         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 630                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 631         else
 632                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 633
 634 // decide on the height of the console
 635         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 636                 conlines = vid_conheight.integer/2;     // half screen
 637         else
 638                 conlines = 0;                           // none visible
 639
 640         scr_con_current = conlines;
 641 }
 642
 643 /*
 644 ==================
 645 SCR_DrawConsole
 646 ==================
 647 */
 648 void SCR_DrawConsole (void)
 649 {
 650         scr_con_margin_bottom = SCR_InfobarHeight();
 651         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 652         {
 653                 // full screen
 654                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 655         }
 656         else if (scr_con_current)
 657                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 658         else
 659                 con_vislines = 0;
 660 }
 661
 662 /*
 663 ===============
 664 SCR_BeginLoadingPlaque
 665
 666 ================
 667 */
 668 void SCR_BeginLoadingPlaque (void)
 669 {
 670         // save console log up to this point to log_file if it was set by configs
 671         Log_Start();
 672
 673         Host_StartVideo();
 674         SCR_UpdateLoadingScreen(false);
 675 }
 676
 677 //=============================================================================
 678
 679 char r_speeds_timestring[4096];
 680 int speedstringcount, r_timereport_active;
 681 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 682 int r_speeds_longestitem = 0;
 683
 684 void R_TimeReport(char *desc)
 685 {
 686         char tempbuf[256];
 687         int length;
 688         int t;
 689
 690         if (r_speeds.integer < 2 || !r_timereport_active)
 691                 return;
 692
 693         CHECKGLERROR
 694         if (r_speeds.integer == 2)
 695                 qglFinish();
 696         CHECKGLERROR
 697         r_timereport_temp = r_timereport_current;
 698         r_timereport_current = Sys_DoubleTime();
 699         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 700
 701         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
 702         length = min(length, (int)sizeof(tempbuf) - 1);
 703         if (r_speeds_longestitem < length)
 704                 r_speeds_longestitem = length;
 705         for (;length < r_speeds_longestitem;length++)
 706                 tempbuf[length] = ' ';
 707         tempbuf[length] = 0;
 708
 709         if (speedstringcount + length > (vid_conwidth.integer / 8))
 710         {
 711                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
 712                 speedstringcount = 0;
 713         }
 714         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
 715         speedstringcount += length;
 716 }
 717
 718 void R_TimeReport_BeginFrame(void)
 719 {
 720         speedstringcount = 0;
 721         r_speeds_timestring[0] = 0;
 722         r_timereport_active = false;
 723         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 724
 725         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
 726         {
 727                 r_timereport_active = true;
 728                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
 729         }
 730 }
 731
 732 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
 733 {
 734         int i, triangles = 0;
 735         for (i = 0;i < leaf->numleafsurfaces;i++)
 736                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
 737         return triangles;
 738 }
 739
 740 void R_TimeReport_EndFrame(void)
 741 {
 742         int i, j, lines, y;
 743         cl_locnode_t *loc;
 744         char string[1024+4096];
 745         mleaf_t *viewleaf;
 746
 747         string[0] = 0;
 748         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 749         {
 750                 // put the location name in the r_speeds display as it greatly helps
 751                 // when creating loc files
 752                 loc = CL_Locs_FindNearest(cl.movement_origin);
 753                 viewleaf = (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.PointInLeaf) ? r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, r_refdef.view.origin) : NULL;
 754                 dpsnprintf(string, sizeof(string),
 755 "%s%s\n"
 756 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
 757 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
 758 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
 759 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
 760 "%7i lightmap updates (%7i pixels)\n"
 761 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
 762 "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n"
 763 "%s"
 764 , loc ? "Location: " : "", loc ? loc->name : ""
 765 , r_refdef.stats.renders, r_refdef.view.origin[0], r_refdef.view.origin[1], r_refdef.view.origin[2], r_refdef.view.forward[0], r_refdef.view.forward[1], r_refdef.view.forward[2]
 766 , viewleaf ? (int)(viewleaf - r_refdef.scene.worldmodel->brush.data_leafs) : -1, viewleaf ? viewleaf->clusterindex : -1, viewleaf ? viewleaf->areaindex : -1, viewleaf ? viewleaf->numleafbrushes : 0, viewleaf ? viewleaf->numleafsurfaces : 0, viewleaf ? R_CountLeafTriangles(r_refdef.scene.worldmodel, viewleaf) : 0
 767 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
 768 , r_refdef.stats.world_leafs, r_refdef.stats.world_portals, r_refdef.stats.particles, cl.num_particles, r_refdef.stats.drawndecals, r_refdef.stats.totaldecals, (int)(100 * r_refdef.view.quality)
 769 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
 770 , 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
 771 , r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
 772 , r_speeds_timestring);
 773
 774                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 775
 776                 speedstringcount = 0;
 777                 r_speeds_timestring[0] = 0;
 778                 r_timereport_active = false;
 779
 780                 if (r_speeds.integer >= 2)
 781                 {
 782                         r_timereport_active = true;
 783                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 784                 }
 785         }
 786
 787         if (string[0])
 788         {
 789                 if (string[strlen(string)-1] == '\n')
 790                         string[strlen(string)-1] = 0;
 791                 lines = 1;
 792                 for (i = 0;string[i];i++)
 793                         if (string[i] == '\n')
 794                                 lines++;
 795                 y = vid_conheight.integer - sb_lines - lines * 8;
 796                 i = j = 0;
 797                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 798                 while (string[i])
 799                 {
 800                         j = i;
 801                         while (string[i] && string[i] != '\n')
 802                                 i++;
 803                         if (i - j > 0)
 804                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
 805                         if (string[i] == '\n')
 806                                 i++;
 807                         y += 8;
 808                 }
 809         }
 810 }
 811
 812 /*
 813 =================
 814 SCR_SizeUp_f
 815
 816 Keybinding command
 817 =================
 818 */
 819 void SCR_SizeUp_f (void)
 820 {
 821         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 822 }
 823
 824
 825 /*
 826 =================
 827 SCR_SizeDown_f
 828
 829 Keybinding command
 830 =================
 831 */
 832 void SCR_SizeDown_f (void)
 833 {
 834         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 835 }
 836
 837 void SCR_CaptureVideo_EndVideo(void);
 838 void CL_Screen_Shutdown(void)
 839 {
 840         SCR_CaptureVideo_EndVideo();
 841 }
 842
 843 void CL_Screen_Init(void)
 844 {
 845         Cvar_RegisterVariable (&scr_fov);
 846         Cvar_RegisterVariable (&scr_viewsize);
 847         Cvar_RegisterVariable (&scr_conalpha);
 848         Cvar_RegisterVariable (&scr_conbrightness);
 849         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 850         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 851         Cvar_RegisterVariable (&scr_loadingscreen_background);
 852         Cvar_RegisterVariable (&scr_showram);
 853         Cvar_RegisterVariable (&scr_showturtle);
 854         Cvar_RegisterVariable (&scr_showpause);
 855         Cvar_RegisterVariable (&scr_showbrand);
 856         Cvar_RegisterVariable (&scr_centertime);
 857         Cvar_RegisterVariable (&scr_printspeed);
 858         Cvar_RegisterVariable (&vid_conwidth);
 859         Cvar_RegisterVariable (&vid_conheight);
 860         Cvar_RegisterVariable (&vid_pixelheight);
 861         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 862         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 863         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 864         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
 865         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
 866         Cvar_RegisterVariable (&cl_capturevideo);
 867         Cvar_RegisterVariable (&cl_capturevideo_printfps);
 868         Cvar_RegisterVariable (&cl_capturevideo_width);
 869         Cvar_RegisterVariable (&cl_capturevideo_height);
 870         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 871         Cvar_RegisterVariable (&cl_capturevideo_fps);
 872         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
 873         Cvar_RegisterVariable (&cl_capturevideo_number);
 874         Cvar_RegisterVariable (&cl_capturevideo_ogg);
 875         Cvar_RegisterVariable (&cl_capturevideo_framestep);
 876         Cvar_RegisterVariable (&r_letterbox);
 877         Cvar_RegisterVariable(&r_stereo_separation);
 878         Cvar_RegisterVariable(&r_stereo_sidebyside);
 879         Cvar_RegisterVariable(&r_stereo_redblue);
 880         Cvar_RegisterVariable(&r_stereo_redcyan);
 881         Cvar_RegisterVariable(&r_stereo_redgreen);
 882         Cvar_RegisterVariable(&r_stereo_angle);
 883         Cvar_RegisterVariable(&scr_zoomwindow);
 884         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 885         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 886         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 887         Cvar_RegisterVariable(&scr_stipple);
 888         Cvar_RegisterVariable(&scr_refresh);
 889         Cvar_RegisterVariable(&shownetgraph);
 890         Cvar_RegisterVariable(&cl_demo_mousegrab);
 891         Cvar_RegisterVariable(&timedemo_screenshotframelist);
 892
 893         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 894         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 895         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 896         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 897         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
 898
 899         SCR_CaptureVideo_Ogg_Init();
 900
 901         scr_initialized = true;
 902 }
 903
 904 /*
 905 ==================
 906 SCR_ScreenShot_f
 907 ==================
 908 */
 909 void SCR_ScreenShot_f (void)
 910 {
 911         static int shotnumber;
 912         static char old_prefix_name[MAX_QPATH];
 913         char prefix_name[MAX_QPATH];
 914         char filename[MAX_QPATH];
 915         char mapname[MAX_QPATH];
 916         unsigned char *buffer1;
 917         unsigned char *buffer2;
 918         unsigned char *buffer3;
 919         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 920
 921         if (Cmd_Argc() == 2)
 922         {
 923                 const char *ext;
 924                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
 925                 ext = FS_FileExtension(filename);
 926                 if (!strcasecmp(ext, "jpg"))
 927                         jpeg = true;
 928                 else if (!strcasecmp(ext, "tga"))
 929                         jpeg = false;
 930                 else
 931                 {
 932                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga\n");
 933                         return;
 934                 }
 935         }
 936         else
 937         {
 938                 // TODO maybe make capturevideo and screenshot use similar name patterns?
 939                 if (scr_screenshot_name_in_mapdir.integer && cl.worldmodel && *cl.worldmodel->name) {
 940                         // figure out the map's filename without path or extension
 941                         strlcpy(mapname, FS_FileWithoutPath(cl.worldmodel->name), sizeof(mapname));
 942                         if (strrchr(mapname, '.'))
 943                                 *(strrchr(mapname, '.')) = 0;
 944                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", mapname, Sys_TimeString(scr_screenshot_name.string));
 945                 } else {
 946                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
 947                 }
 948
 949                 if (strcmp(old_prefix_name, prefix_name))
 950                 {
 951                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
 952                         shotnumber = 0;
 953                 }
 954
 955                 // find a file name to save it to
 956                 for (;shotnumber < 1000000;shotnumber++)
 957                         if (!FS_SysFileExists(va("%s/screenshots/%s%06d.tga", fs_gamedir, prefix_name, shotnumber)) && !FS_SysFileExists(va("%s/screenshots/%s%06d.jpg", fs_gamedir, prefix_name, shotnumber)))
 958                                 break;
 959                 if (shotnumber >= 1000000)
 960                 {
 961                         Con_Print("Couldn't create the image file\n");
 962                         return;
 963                 }
 964
 965                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : "tga");
 966         }
 967
 968         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 969         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 970         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
 971
 972         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
 973                 Con_Printf("Wrote %s\n", filename);
 974         else
 975                 Con_Printf("Unable to write %s\n", filename);
 976
 977         Mem_Free (buffer1);
 978         Mem_Free (buffer2);
 979         Mem_Free (buffer3);
 980
 981         shotnumber++;
 982 }
 983
 984 void SCR_CaptureVideo_BeginVideo(void)
 985 {
 986         double r, g, b;
 987         unsigned int i;
 988         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
 989         if (cls.capturevideo.active)
 990                 return;
 991         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
 992         // soundrate is figured out on the first SoundFrame
 993
 994         if(width == 0 && height != 0)
 995                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
 996         if(width != 0 && height == 0)
 997                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
 998
 999         if(width < 2 || width > vid.width) // can't scale up
1000                 width = vid.width;
1001         if(height < 2 || height > vid.height) // can't scale up
1002                 height = vid.height;
1003
1004         // ensure it's all even; if not, scale down a little
1005         if(width % 1)
1006                 --width;
1007         if(height % 1)
1008                 --height;
1009
1010         cls.capturevideo.width = width;
1011         cls.capturevideo.height = height;
1012         cls.capturevideo.active = true;
1013         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1014         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1015         cls.capturevideo.soundrate = S_GetSoundRate();
1016         cls.capturevideo.soundchannels = S_GetSoundChannels();
1017         cls.capturevideo.startrealtime = realtime;
1018         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1019         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1020         cls.capturevideo.soundsampleframe = 0;
1021         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1022         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1023         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1024         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1025         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1026
1027         /*
1028         for (i = 0;i < 256;i++)
1029         {
1030                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1031                 cls.capturevideo.rgbgammatable[0][i] = j;
1032                 cls.capturevideo.rgbgammatable[1][i] = j;
1033                 cls.capturevideo.rgbgammatable[2][i] = j;
1034         }
1035         */
1036 /*
1037 R = Y + 1.4075 * (Cr - 128);
1038 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1039 B = Y + 1.7790 * (Cb - 128);
1040 Y = R *  .299 + G *  .587 + B *  .114;
1041 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1042 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1043 */
1044
1045         if(WANT_SCREENSHOT_HWGAMMA)
1046         {
1047                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1048         }
1049         else
1050         {
1051                 // identity gamma table
1052                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1053                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1054                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1055         }
1056         if(scr_screenshot_gammaboost.value != 1)
1057         {
1058                 double igamma = 1 / scr_screenshot_gammaboost.value;
1059                 for (i = 0;i < 256 * 3;i++)
1060                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1061         }
1062
1063         for (i = 0;i < 256;i++)
1064         {
1065                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1066                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1067                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1068                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1069                 // Y weights from RGB
1070                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1071                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1072                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1073                 // Cb weights from RGB
1074                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1075                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1076                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1077                 // Cr weights from RGB
1078                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1079                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1080                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1081                 // range reduction of YCbCr to valid signal range
1082                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1083                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1084                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1085         }
1086
1087         if (cl_capturevideo_ogg.integer)
1088         {
1089                 if(SCR_CaptureVideo_Ogg_Available())
1090                 {
1091                         SCR_CaptureVideo_Ogg_BeginVideo();
1092                         return;
1093                 }
1094                 else
1095                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1096         }
1097
1098         SCR_CaptureVideo_Avi_BeginVideo();
1099 }
1100
1101 void SCR_CaptureVideo_EndVideo(void)
1102 {
1103         if (!cls.capturevideo.active)
1104                 return;
1105         cls.capturevideo.active = false;
1106
1107         Con_Printf("Finishing capture of %s.%s (%d frames, %d audio frames)\n", cls.capturevideo.basename, cls.capturevideo.formatextension, cls.capturevideo.frame, cls.capturevideo.soundsampleframe);
1108
1109         if (cls.capturevideo.videofile)
1110         {
1111                 cls.capturevideo.endvideo();
1112         }
1113
1114         if (cls.capturevideo.screenbuffer)
1115         {
1116                 Mem_Free (cls.capturevideo.screenbuffer);
1117                 cls.capturevideo.screenbuffer = NULL;
1118         }
1119
1120         if (cls.capturevideo.outbuffer)
1121         {
1122                 Mem_Free (cls.capturevideo.outbuffer);
1123                 cls.capturevideo.outbuffer = NULL;
1124         }
1125
1126         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1127 }
1128
1129 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1130 {
1131         // TODO optimize this function
1132
1133         int x, y;
1134         float area;
1135
1136         // memcpy is faster than me
1137         if(inw == outw && inh == outh)
1138         {
1139                 memcpy(out, in, 4 * inw * inh);
1140                 return;
1141         }
1142
1143         // otherwise: a box filter
1144         area = (float)outw * (float)outh / (float)inw / (float)inh;
1145         for(y = 0; y < outh; ++y)
1146         {
1147                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1148                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1149                 for(x = 0; x < outw; ++x)
1150                 {
1151                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1152                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1153                         float r = 0, g = 0, b = 0, alpha = 0;
1154                         int xx, yy;
1155
1156                         for(yy = iny0_i; yy < iny1_i; ++yy)
1157                         {
1158                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1159                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1160                                 {
1161                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1162                                         r += a * in[4*(xx + inw * yy)+0];
1163                                         g += a * in[4*(xx + inw * yy)+1];
1164                                         b += a * in[4*(xx + inw * yy)+2];
1165                                         alpha += a * in[4*(xx + inw * yy)+3];
1166                                 }
1167                         }
1168
1169                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1170                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1171                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1172                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1173                 }
1174         }
1175 }
1176
1177 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1178 {
1179         int x = 0, y = 0;
1180         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1181
1182         if(newframestepframenum == cls.capturevideo.framestepframe)
1183                 return;
1184
1185         CHECKGLERROR
1186         //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);
1187         // speed is critical here, so do saving as directly as possible
1188
1189         qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1190         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1191
1192         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1193         cls.capturevideo.framestepframe = newframestepframenum;
1194
1195         if(cl_capturevideo_printfps.integer)
1196         {
1197                 char buf[80];
1198                 double t = Sys_DoubleTime();
1199                 if(t > cls.capturevideo.lastfpstime + 1)
1200                 {
1201                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1202                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1203                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1204                         Sys_PrintToTerminal(buf);
1205                         cls.capturevideo.lastfpstime = t;
1206                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1207                 }
1208         }
1209 }
1210
1211 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1212 {
1213         cls.capturevideo.soundsampleframe += length;
1214         cls.capturevideo.soundframe(paintbuffer, length);
1215 }
1216
1217 void SCR_CaptureVideo(void)
1218 {
1219         int newframenum;
1220         if (cl_capturevideo.integer)
1221         {
1222                 if (!cls.capturevideo.active)
1223                         SCR_CaptureVideo_BeginVideo();
1224                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1225                 {
1226                         Con_Printf("You can not change the video framerate while recording a video.\n");
1227                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1228                 }
1229                 // for AVI saving we have to make sure that sound is saved before video
1230                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1231                         return;
1232                 if (cls.capturevideo.realtime)
1233                 {
1234                         // preserve sound sync by duplicating frames when running slow
1235                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1236                 }
1237                 else
1238                         newframenum = cls.capturevideo.frame + 1;
1239                 // if falling behind more than one second, stop
1240                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1241                 {
1242                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1243                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1244                         SCR_CaptureVideo_EndVideo();
1245                         return;
1246                 }
1247                 // write frames
1248                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1249                 cls.capturevideo.frame = newframenum;
1250                 if (cls.capturevideo.error)
1251                 {
1252                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1253                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1254                         SCR_CaptureVideo_EndVideo();
1255                 }
1256         }
1257         else if (cls.capturevideo.active)
1258                 SCR_CaptureVideo_EndVideo();
1259 }
1260
1261 /*
1262 ===============
1263 R_Envmap_f
1264
1265 Grab six views for environment mapping tests
1266 ===============
1267 */
1268 struct envmapinfo_s
1269 {
1270         float angles[3];
1271         char *name;
1272         qboolean flipx, flipy, flipdiagonaly;
1273 }
1274 envmapinfo[12] =
1275 {
1276         {{  0,   0, 0}, "rt", false, false, false},
1277         {{  0, 270, 0}, "ft", false, false, false},
1278         {{  0, 180, 0}, "lf", false, false, false},
1279         {{  0,  90, 0}, "bk", false, false, false},
1280         {{-90, 180, 0}, "up",  true,  true, false},
1281         {{ 90, 180, 0}, "dn",  true,  true, false},
1282
1283         {{  0,   0, 0}, "px",  true,  true,  true},
1284         {{  0,  90, 0}, "py", false,  true, false},
1285         {{  0, 180, 0}, "nx", false, false,  true},
1286         {{  0, 270, 0}, "ny",  true, false, false},
1287         {{-90, 180, 0}, "pz", false, false,  true},
1288         {{ 90, 180, 0}, "nz", false, false,  true}
1289 };
1290
1291 static void R_Envmap_f (void)
1292 {
1293         int j, size;
1294         char filename[MAX_QPATH], basename[MAX_QPATH];
1295         unsigned char *buffer1;
1296         unsigned char *buffer2;
1297         unsigned char *buffer3;
1298
1299         if (Cmd_Argc() != 3)
1300         {
1301                 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");
1302                 return;
1303         }
1304
1305         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1306         size = atoi(Cmd_Argv(2));
1307         if (size != 128 && size != 256 && size != 512 && size != 1024)
1308         {
1309                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1310                 return;
1311         }
1312         if (size > vid.width || size > vid.height)
1313         {
1314                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1315                 return;
1316         }
1317
1318         r_refdef.envmap = true;
1319
1320         R_UpdateVariables();
1321
1322         r_refdef.view.x = 0;
1323         r_refdef.view.y = 0;
1324         r_refdef.view.z = 0;
1325         r_refdef.view.width = size;
1326         r_refdef.view.height = size;
1327         r_refdef.view.depth = 1;
1328         r_refdef.view.useperspective = true;
1329         r_refdef.view.isoverlay = false;
1330
1331         r_refdef.view.frustum_x = tan(90 * M_PI / 360.0);
1332         r_refdef.view.frustum_y = tan(90 * M_PI / 360.0);
1333
1334         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1335         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1336         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1337
1338         for (j = 0;j < 12;j++)
1339         {
1340                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1341                 Matrix4x4_CreateFromQuakeEntity(&r_refdef.view.matrix, r_refdef.view.origin[0], r_refdef.view.origin[1], r_refdef.view.origin[2], envmapinfo[j].angles[0], envmapinfo[j].angles[1], envmapinfo[j].angles[2], 1);
1342                 r_refdef.view.quality = 1;
1343                 r_refdef.view.clear = true;
1344                 R_Mesh_Start();
1345                 R_RenderView();
1346                 R_Mesh_Finish();
1347                 SCR_ScreenShot(filename, buffer1, buffer2, buffer3, 0, vid.height - (r_refdef.view.y + r_refdef.view.height), size, size, envmapinfo[j].flipx, envmapinfo[j].flipy, envmapinfo[j].flipdiagonaly, false, false);
1348         }
1349
1350         Mem_Free (buffer1);
1351         Mem_Free (buffer2);
1352         Mem_Free (buffer3);
1353
1354         r_refdef.envmap = false;
1355 }
1356
1357 //=============================================================================
1358
1359 void SHOWLMP_decodehide(void)
1360 {
1361         int i;
1362         char *lmplabel;
1363         lmplabel = MSG_ReadString();
1364         for (i = 0;i < cl.num_showlmps;i++)
1365                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1366                 {
1367                         cl.showlmps[i].isactive = false;
1368                         return;
1369                 }
1370 }
1371
1372 void SHOWLMP_decodeshow(void)
1373 {
1374         int k;
1375         char lmplabel[256], picname[256];
1376         float x, y;
1377         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1378         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1379         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1380         {
1381                 x = MSG_ReadByte();
1382                 y = MSG_ReadByte();
1383         }
1384         else
1385         {
1386                 x = MSG_ReadShort();
1387                 y = MSG_ReadShort();
1388         }
1389         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1390         {
1391                 showlmp_t *oldshowlmps = cl.showlmps;
1392                 cl.max_showlmps += 16;
1393                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1394                 if (cl.num_showlmps)
1395                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1396                 if (oldshowlmps)
1397                         Mem_Free(oldshowlmps);
1398         }
1399         for (k = 0;k < cl.max_showlmps;k++)
1400                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1401                         break;
1402         if (k == cl.max_showlmps)
1403                 for (k = 0;k < cl.max_showlmps;k++)
1404                         if (!cl.showlmps[k].isactive)
1405                                 break;
1406         cl.showlmps[k].isactive = true;
1407         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1408         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1409         cl.showlmps[k].x = x;
1410         cl.showlmps[k].y = y;
1411         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1412 }
1413
1414 void SHOWLMP_drawall(void)
1415 {
1416         int i;
1417         for (i = 0;i < cl.num_showlmps;i++)
1418                 if (cl.showlmps[i].isactive)
1419                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic (cl.showlmps[i].pic), 0, 0, 1, 1, 1, 1, 0);
1420 }
1421
1422 /*
1423 ==============================================================================
1424
1425                                                 SCREEN SHOTS
1426
1427 ==============================================================================
1428 */
1429
1430 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)
1431 {
1432         int     indices[3] = {0,1,2};
1433         qboolean ret;
1434
1435         CHECKGLERROR
1436         qglReadPixels (x, y, width, height, jpeg ? GL_RGB : GL_BGR, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1437
1438         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1439         {
1440                 int i;
1441                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1442                 unsigned short vidramp[256 * 3];
1443                 if(WANT_SCREENSHOT_HWGAMMA)
1444                 {
1445                         VID_BuildGammaTables(&vidramp[0], 256);
1446                 }
1447                 else
1448                 {
1449                         // identity gamma table
1450                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1451                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1452                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1453                 }
1454                 if(scr_screenshot_gammaboost.value != 1)
1455                 {
1456                         for (i = 0;i < 256 * 3;i++)
1457                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1458                 }
1459                 for (i = 0;i < width*height*3;i += 3)
1460                 {
1461                         buffer1[i] = (unsigned char) (vidramp[buffer1[i]] * 255.0 / 65535.0 + 0.5);
1462                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5);
1463                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2] + 512] * 255.0 / 65535.0 + 0.5);
1464                 }
1465         }
1466
1467         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1468
1469         if (jpeg)
1470                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1471         else
1472                 ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2, buffer3);
1473
1474         return ret;
1475 }
1476
1477 //=============================================================================
1478
1479 extern void R_UpdateFogColor(void);
1480 void R_ClearScreen(qboolean fogcolor)
1481 {
1482         // clear to black
1483         CHECKGLERROR
1484         if (fogcolor)
1485         {
1486                 R_UpdateFogColor();
1487                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1488         }
1489         else
1490         {
1491                 qglClearColor(0,0,0,0);CHECKGLERROR
1492         }
1493         qglClearDepth(1);CHECKGLERROR
1494         if (vid.stencil)
1495         {
1496                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1497                 // to avoid clamping interfering with strange shadow volume
1498                 // drawing orders
1499                 qglClearStencil(128);CHECKGLERROR
1500         }
1501         // clear the screen
1502         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0));
1503         // set dithering mode
1504         if (gl_dither.integer)
1505         {
1506                 qglEnable(GL_DITHER);CHECKGLERROR
1507         }
1508         else
1509         {
1510                 qglDisable(GL_DITHER);CHECKGLERROR
1511         }
1512 }
1513
1514 qboolean CL_VM_UpdateView (void);
1515 void SCR_DrawConsole (void);
1516 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1517
1518 int r_stereo_side;
1519
1520 extern void Sbar_ShowFPS(void);
1521 void SCR_DrawScreen (void)
1522 {
1523         Draw_Frame();
1524
1525         R_Mesh_Start();
1526
1527         R_TimeReport_BeginFrame();
1528
1529         R_UpdateVariables();
1530
1531         // Quake uses clockwise winding, so these are swapped
1532         r_refdef.view.cullface_front = GL_BACK;
1533         r_refdef.view.cullface_back = GL_FRONT;
1534
1535         if (cls.signon == SIGNONS)
1536         {
1537                 float size;
1538
1539                 size = scr_viewsize.value * (1.0 / 100.0);
1540                 size = min(size, 1);
1541
1542                 if (r_stereo_sidebyside.integer)
1543                 {
1544                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1545                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1546                         r_refdef.view.depth = 1;
1547                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1548                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1549                         r_refdef.view.z = 0;
1550                         if (r_stereo_side)
1551                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1552                 }
1553                 else
1554                 {
1555                         r_refdef.view.width = (int)(vid.width * size);
1556                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1557                         r_refdef.view.depth = 1;
1558                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1559                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1560                         r_refdef.view.z = 0;
1561                 }
1562
1563                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1564                 // LordHavoc: this is designed to produce widescreen fov values
1565                 // when the screen is wider than 4/3 width/height aspect, to do
1566                 // this it simply assumes the requested fov is the vertical fov
1567                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1568                 // higher/lower according to the ratio
1569                 r_refdef.view.useperspective = true;
1570                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1571                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1572
1573                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1574                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1575
1576                 if(!CL_VM_UpdateView())
1577                         R_RenderView();
1578
1579                 if (scr_zoomwindow.integer)
1580                 {
1581                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1582                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1583                         r_refdef.view.width = (int)(vid.width * sizex);
1584                         r_refdef.view.height = (int)(vid.height * sizey);
1585                         r_refdef.view.depth = 1;
1586                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1587                         r_refdef.view.y = 0;
1588                         r_refdef.view.z = 0;
1589
1590                         r_refdef.view.useperspective = true;
1591                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1592                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1593
1594                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1595                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1596
1597                         if(!CL_VM_UpdateView())
1598                                 R_RenderView();
1599                 }
1600         }
1601
1602         if (!r_stereo_sidebyside.integer)
1603         {
1604                 r_refdef.view.width = vid.width;
1605                 r_refdef.view.height = vid.height;
1606                 r_refdef.view.depth = 1;
1607                 r_refdef.view.x = 0;
1608                 r_refdef.view.y = 0;
1609                 r_refdef.view.z = 0;
1610                 r_refdef.view.useperspective = false;
1611         }
1612
1613         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1614         {
1615                 const char *t;
1616                 int framenum;
1617                 t = timedemo_screenshotframelist.string;
1618                 while (*t)
1619                 {
1620                         while (*t == ' ')
1621                                 t++;
1622                         if (!*t)
1623                                 break;
1624                         framenum = atof(t);
1625                         if (framenum == cls.td_frames)
1626                                 break;
1627                         while (*t && *t != ' ')
1628                                 t++;
1629                 }
1630                 if (*t)
1631                 {
1632                         // we need to take a screenshot of this frame...
1633                         char filename[MAX_QPATH];
1634                         unsigned char *buffer1;
1635                         unsigned char *buffer2;
1636                         unsigned char *buffer3;
1637                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1638                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1639                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1640                         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
1641                         SCR_ScreenShot(filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, false, true);
1642                         Mem_Free(buffer1);
1643                         Mem_Free(buffer2);
1644                         Mem_Free(buffer3);
1645                 }
1646         }
1647
1648         // draw 2D stuff
1649         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1650                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1651                         Con_DrawNotify ();      // only draw notify in game
1652
1653         if (cls.signon == SIGNONS)
1654         {
1655                 SCR_DrawNet ();
1656                 SCR_DrawTurtle ();
1657                 SCR_DrawPause ();
1658                 if (!r_letterbox.value)
1659                         Sbar_Draw();
1660                 Sbar_ShowFPS();
1661                 SHOWLMP_drawall();
1662                 SCR_CheckDrawCenterString();
1663         }
1664         SCR_DrawNetGraph ();
1665         MR_Draw();
1666         CL_DrawVideo();
1667         R_Shadow_EditLights_DrawSelectedLightProperties();
1668
1669         SCR_DrawConsole();
1670
1671         SCR_DrawBrand();
1672
1673         SCR_DrawInfobar();
1674
1675         if (r_timereport_active)
1676                 R_TimeReport("2d");
1677
1678         if (cls.signon == SIGNONS)
1679                 R_TimeReport_EndFrame();
1680
1681         DrawQ_Finish();
1682
1683         R_DrawGamma();
1684
1685         R_Mesh_Finish();
1686 }
1687
1688 typedef struct loadingscreenstack_s
1689 {
1690         struct loadingscreenstack_s *prev;
1691         char msg[MAX_QPATH];
1692         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1693         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1694         float relative_completion; // 0 .. 1
1695 }
1696 loadingscreenstack_t;
1697 static loadingscreenstack_t *loadingscreenstack = NULL;
1698 static double loadingscreentime = -1;
1699 static qboolean loadingscreencleared = false;
1700 static float loadingscreenheight = 0;
1701 rtexture_t *loadingscreentexture = NULL;
1702 static float loadingscreentexture_vertex3f[12];
1703 static float loadingscreentexture_texcoord2f[8];
1704
1705 static void SCR_ClearLoadingScreenTexture(void)
1706 {
1707         if(loadingscreentexture)
1708                 R_FreeTexture(loadingscreentexture);
1709         loadingscreentexture = NULL;
1710 }
1711
1712 extern rtexturepool_t *r_main_texturepool;
1713 static void SCR_SetLoadingScreenTexture(void)
1714 {
1715         int w, h;
1716         float loadingscreentexture_w;
1717         float loadingscreentexture_h;
1718
1719         SCR_ClearLoadingScreenTexture();
1720
1721         if (vid.support.arb_texture_non_power_of_two)
1722         {
1723                 w = vid.width; h = vid.height;
1724                 loadingscreentexture_w = loadingscreentexture_h = 1;
1725         }
1726         else
1727         {
1728                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1729                 loadingscreentexture_w = vid.width / (float) w;
1730                 loadingscreentexture_h = vid.height / (float) h;
1731         }
1732
1733         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_BGRA, TEXF_FORCENEAREST | TEXF_CLAMP, NULL);
1734         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1735
1736         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1737         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1738         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1739         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1740         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1741         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1742         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1743         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1744         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1745 }
1746
1747 void SCR_UpdateLoadingScreenIfShown(void)
1748 {
1749         if(realtime == loadingscreentime)
1750                 SCR_UpdateLoadingScreen(loadingscreencleared);
1751 }
1752
1753 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1754 {
1755         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1756         s->prev = loadingscreenstack;
1757         loadingscreenstack = s;
1758
1759         strlcpy(s->msg, msg, sizeof(s->msg));
1760         s->relative_completion = 0;
1761
1762         if(s->prev)
1763         {
1764                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1765                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1766                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1767                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1768         }
1769         else
1770         {
1771                 s->absolute_loading_amount_min = 0;
1772                 s->absolute_loading_amount_len = 1;
1773         }
1774
1775         if(redraw)
1776                 SCR_UpdateLoadingScreenIfShown();
1777 }
1778
1779 void SCR_PopLoadingScreen (qboolean redraw)
1780 {
1781         loadingscreenstack_t *s = loadingscreenstack;
1782
1783         if(!s)
1784         {
1785                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1786                 return;
1787         }
1788
1789         loadingscreenstack = s->prev;
1790         if(s->prev)
1791                 s->prev->relative_completion = (s->absolute_loading_amount_min + s->absolute_loading_amount_len - s->prev->absolute_loading_amount_min) / s->prev->absolute_loading_amount_len;
1792         Z_Free(s);
1793
1794         if(redraw)
1795                 SCR_UpdateLoadingScreenIfShown();
1796 }
1797
1798 void SCR_ClearLoadingScreen (qboolean redraw)
1799 {
1800         while(loadingscreenstack)
1801                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1802 }
1803
1804 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y)
1805 {
1806         float size = 8;
1807         float x;
1808         size_t len;
1809         float total;
1810
1811         total = 0;
1812 #if 0
1813         if(s)
1814         {
1815                 total += SCR_DrawLoadingStack_r(s->prev, y);
1816                 y -= total;
1817                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1818                 {
1819                         len = strlen(s->msg);
1820                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1821                         y -= size;
1822                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1823                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1824                         total += size;
1825                 }
1826         }
1827 #else
1828         if(s)
1829         {
1830                 len = strlen(s->msg);
1831                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1832                 y -= size;
1833                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1834                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1835                 total += size;
1836         }
1837 #endif
1838         return total;
1839 }
1840
1841 static void SCR_DrawLoadingStack(void)
1842 {
1843         float verts[12];
1844         float colors[16];
1845         int i;
1846
1847         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer);
1848         if(loadingscreenstack)
1849         {
1850                 // height = 32; // sorry, using the actual one is ugly
1851                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1852                 GL_DepthRange(0, 1);
1853                 GL_PolygonOffset(0, 0);
1854                 GL_DepthTest(false);
1855                 R_Mesh_VertexPointer(verts, 0, 0);
1856                 R_Mesh_ColorPointer(colors, 0, 0);
1857                 R_Mesh_ResetTextureState();
1858                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1859                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1860                 verts[0] = verts[9] = 0;
1861                 verts[1] = verts[4] = vid_conheight.integer - 8;
1862                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1863                 verts[7] = verts[10] = vid_conheight.integer;
1864
1865                 for(i = 0; i < 16; ++i)
1866                         colors[i] = (i % 4 == 3) ? 1 : (i >= 8 && i % 4 == 2) ? 1 : 0;
1867                         //                                        ^^^^^^^^^^ blue component
1868                         //                              ^^^^^^ bottom row
1869                         //          ^^^^^^^^^^^^ alpha is always on
1870                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1871
1872                 // make sure everything is cleared, including the progress indicator
1873                 if(loadingscreenheight < 8)
1874                         loadingscreenheight = 8;
1875         }
1876 }
1877
1878 static cachepic_t *loadingscreenpic;
1879 static float loadingscreenpic_vertex3f[12];
1880 static float loadingscreenpic_texcoord2f[8];
1881
1882 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
1883 {
1884         r_viewport_t viewport;
1885         float x, y;
1886         // release mouse grab while loading
1887         if (!vid.fullscreen)
1888                 VID_SetMouse(false, false, false);
1889         CHECKGLERROR
1890         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
1891         R_SetViewport(&viewport);
1892         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1893         //qglDepthMask(1);CHECKGLERROR
1894         qglColorMask(1,1,1,1);CHECKGLERROR
1895         qglClearColor(0,0,0,0);CHECKGLERROR
1896         // when starting up a new video mode, make sure the screen is cleared to black
1897         if (clear)
1898                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1899         R_Textures_Frame();
1900         R_Mesh_Start();
1901         R_EntityMatrix(&identitymatrix);
1902         // draw the loading plaque
1903         loadingscreenpic = Draw_CachePic ("gfx/loading");
1904         x = (vid_conwidth.integer - loadingscreenpic->width)/2;
1905         y = (vid_conheight.integer - loadingscreenpic->height)/2;
1906         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
1907         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
1908         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
1909         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + loadingscreenpic->width;
1910         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + loadingscreenpic->height;
1911         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
1912         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
1913         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
1914         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
1915 }
1916
1917 static void SCR_DrawLoadingScreen (qboolean clear)
1918 {
1919         // we only need to draw the image if it isn't already there
1920         GL_Color(1,1,1,1);
1921         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1922         GL_DepthRange(0, 1);
1923         GL_PolygonOffset(0, 0);
1924         GL_DepthTest(false);
1925         R_Mesh_ColorPointer(NULL, 0, 0);
1926         if(loadingscreentexture)
1927         {
1928                 R_Mesh_VertexPointer(loadingscreentexture_vertex3f, 0, 0);
1929                 R_Mesh_ResetTextureState();
1930                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
1931                 R_Mesh_TexCoordPointer(0, 2, loadingscreentexture_texcoord2f, 0, 0);
1932                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1933         }
1934         R_Mesh_VertexPointer(loadingscreenpic_vertex3f, 0, 0);
1935         R_Mesh_ResetTextureState();
1936         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
1937         R_Mesh_TexCoordPointer(0, 2, loadingscreenpic_texcoord2f, 0, 0);
1938         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1939         SCR_DrawLoadingStack();
1940 }
1941
1942 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
1943 {
1944         R_Mesh_Finish();
1945         // refresh
1946         VID_Finish();
1947         // however this IS necessary on Windows Vista
1948         qglFinish();
1949 }
1950
1951 void SCR_UpdateLoadingScreen (qboolean clear)
1952 {
1953         keydest_t       old_key_dest;
1954         int                     old_key_consoleactive;
1955
1956         // don't do anything if not initialized yet
1957         if (vid_hidden || cls.state == ca_dedicated)
1958                 return;
1959
1960         if(!scr_loadingscreen_background.integer)
1961                 clear = true;
1962
1963         if(loadingscreentime == realtime)
1964                 clear |= loadingscreencleared;
1965
1966         if(clear)
1967                 SCR_ClearLoadingScreenTexture();
1968         else if(loadingscreentime != realtime)
1969                 SCR_SetLoadingScreenTexture();
1970
1971         if(loadingscreentime != realtime)
1972         {
1973                 loadingscreentime = realtime;
1974                 loadingscreenheight = 0;
1975         }
1976         loadingscreencleared = clear;
1977
1978         SCR_DrawLoadingScreen_SharedSetup(clear);
1979         if (vid.stereobuffer)
1980         {
1981                 qglDrawBuffer(GL_BACK_LEFT);
1982                 SCR_DrawLoadingScreen(clear);
1983                 qglDrawBuffer(GL_BACK_RIGHT);
1984                 SCR_DrawLoadingScreen(clear);
1985         }
1986         else
1987         {
1988                 qglDrawBuffer(GL_BACK);
1989                 SCR_DrawLoadingScreen(clear);
1990         }
1991         SCR_DrawLoadingScreen_SharedFinish(clear);
1992
1993         // this goes into the event loop, and should prevent unresponsive cursor on vista
1994         old_key_dest = key_dest;
1995         old_key_consoleactive = key_consoleactive;
1996         key_dest = key_void;
1997         key_consoleactive = false;
1998         Sys_SendKeyEvents();
1999         key_dest = old_key_dest;
2000         key_consoleactive = old_key_consoleactive;
2001 }
2002
2003 qboolean R_Stereo_ColorMasking(void)
2004 {
2005         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2006 }
2007
2008 qboolean R_Stereo_Active(void)
2009 {
2010         return (vid.stereobuffer || r_stereo_sidebyside.integer || R_Stereo_ColorMasking());
2011 }
2012
2013 extern cvar_t cl_minfps;
2014 extern cvar_t cl_minfps_fade;
2015 extern cvar_t cl_minfps_qualitymax;
2016 extern cvar_t cl_minfps_qualitymin;
2017 extern cvar_t cl_minfps_qualitypower;
2018 extern cvar_t cl_minfps_qualityscale;
2019 static double cl_updatescreen_rendertime = 0;
2020 static double cl_updatescreen_quality = 1;
2021 extern void Sbar_ShowFPS_Update(void);
2022 void CL_UpdateScreen(void)
2023 {
2024         double rendertime1;
2025         float conwidth, conheight;
2026         float f;
2027
2028         Sbar_ShowFPS_Update();
2029
2030         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2031                 return;                         // not initialized yet
2032
2033         if(gamemode == GAME_NEXUIZ)
2034         {
2035                 // play a bit with the palette (experimental)
2036                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2037                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2038                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2039                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2040                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2041                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2042                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2043                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2044         }
2045
2046         if (vid_hidden)
2047                 return;
2048
2049         rendertime1 = Sys_DoubleTime();
2050
2051         conwidth = bound(160, vid_conwidth.value, 32768);
2052         conheight = bound(90, vid_conheight.value, 24576);
2053         if (vid_conwidth.value != conwidth)
2054                 Cvar_SetValue("vid_conwidth", conwidth);
2055         if (vid_conheight.value != conheight)
2056                 Cvar_SetValue("vid_conheight", conheight);
2057
2058         // bound viewsize
2059         if (scr_viewsize.value < 30)
2060                 Cvar_Set ("viewsize","30");
2061         if (scr_viewsize.value > 120)
2062                 Cvar_Set ("viewsize","120");
2063
2064         // bound field of view
2065         if (scr_fov.value < 1)
2066                 Cvar_Set ("fov","1");
2067         if (scr_fov.value > 170)
2068                 Cvar_Set ("fov","170");
2069
2070         // intermission is always full screen
2071         if (cl.intermission)
2072                 sb_lines = 0;
2073         else
2074         {
2075                 if (scr_viewsize.value >= 120)
2076                         sb_lines = 0;           // no status bar at all
2077                 else if (scr_viewsize.value >= 110)
2078                         sb_lines = 24;          // no inventory
2079                 else
2080                         sb_lines = 24+16+8;
2081         }
2082
2083         r_refdef.view.colormask[0] = 1;
2084         r_refdef.view.colormask[1] = 1;
2085         r_refdef.view.colormask[2] = 1;
2086
2087         SCR_SetUpToDrawConsole();
2088
2089         CHECKGLERROR
2090         qglDrawBuffer(GL_BACK);CHECKGLERROR
2091         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2092         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2093         qglDepthMask(1);CHECKGLERROR
2094         qglColorMask(1,1,1,1);CHECKGLERROR
2095         qglClearColor(0,0,0,0);CHECKGLERROR
2096         R_ClearScreen(false);
2097         r_refdef.view.clear = false;
2098         r_refdef.view.isoverlay = false;
2099         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2100         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2101
2102         if (qglPolygonStipple)
2103         {
2104                 if(scr_stipple.integer)
2105                 {
2106                         GLubyte stipple[128];
2107                         int i, s, width, parts;
2108                         static int frame = 0;
2109                         ++frame;
2110
2111                         s = scr_stipple.integer;
2112                         parts = (s & 007);
2113                         width = (s & 070) >> 3;
2114
2115                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2116                         for(i = 0; i < 128; ++i)
2117                         {
2118                                 int line = i/4;
2119                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2120                         }
2121                         qglPolygonStipple(stipple);CHECKGLERROR
2122                 }
2123                 else
2124                 {
2125                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2126                 }
2127         }
2128
2129         CHECKGLERROR
2130         if (R_Stereo_Active())
2131         {
2132                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2133                 matrix4x4_t offsetmatrix;
2134                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2135                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2136
2137                 if (r_stereo_sidebyside.integer)
2138                         r_stereo_side = 0;
2139
2140                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2141                 {
2142                         r_refdef.view.colormask[0] = 1;
2143                         r_refdef.view.colormask[1] = 0;
2144                         r_refdef.view.colormask[2] = 0;
2145                 }
2146
2147                 if (vid.stereobuffer)
2148                         qglDrawBuffer(GL_BACK_RIGHT);
2149
2150                 SCR_DrawScreen();
2151
2152                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2153                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2154
2155                 if (r_stereo_sidebyside.integer)
2156                         r_stereo_side = 1;
2157
2158                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2159                 {
2160                         r_refdef.view.colormask[0] = 0;
2161                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2162                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2163                 }
2164
2165                 if (vid.stereobuffer)
2166                         qglDrawBuffer(GL_BACK_LEFT);
2167
2168                 SCR_DrawScreen();
2169
2170                 r_refdef.view.matrix = originalmatrix;
2171         }
2172         else
2173                 SCR_DrawScreen();
2174         CHECKGLERROR
2175
2176         SCR_CaptureVideo();
2177
2178         // quality adjustment according to render time
2179         CHECKGLERROR
2180         qglFlush(); // FIXME: should we really be using qglFlush here?
2181         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2182         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2183                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2184         else
2185                 cl_updatescreen_quality = 1;
2186
2187         if (!vid_activewindow)
2188                 VID_SetMouse(false, false, false);
2189         else if (key_consoleactive)
2190                 VID_SetMouse(vid.fullscreen, false, false);
2191         else if (key_dest == key_menu_grabbed)
2192                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2193         else if (key_dest == key_menu)
2194                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2195         else
2196                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2197
2198         VID_Finish();
2199 }
2200
2201 void CL_Screen_NewMap(void)
2202 {
2203 }