cl_screen.c

   1
   2 #include "quakedef.h"
   3 #include "cl_video.h"
   4 #include "image.h"
   5 #include "jpeg.h"
   6 #include "image_png.h"
   7 #include "cl_collision.h"
   8 #include "libcurl.h"
   9 #include "csprogs.h"
  10 #include "cap_avi.h"
  11 #include "cap_ogg.h"
  12
  13 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
  14 #include "snd_main.h"
  15
  16 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
  17 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
  18 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background"};
  19 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
  20 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
  21 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
  22 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
  23 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
  24 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
  25 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
  26 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
  27 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
  28 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
  29 cvar_t scr_loadingscreen_count = {0, "scr_loadingscreen_count","1", "number of loading screen files to use randomly (named loading.tga, loading2.tga, loading3.tga, ...)"};
  30 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
  31 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "a height loadingscreen progress bar"};
  32 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
  33 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
  34 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)"};
  35 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
  36 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
  37 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
  38 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
  39 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
  40 // scr_screenshot_name is defined in fs.c
  41 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)"};
  42 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)"};
  43 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
  44 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
  45 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"};
  46 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)"};
  47 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
  48 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
  49 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
  50 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)"};
  51 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)"};
  52 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)"};
  53 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)"};
  54 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)"};
  55 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"};
  56 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  57 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)"};
  58 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
  59 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
  60 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
  61 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
  62 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
  63 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  64 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"};
  65 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)"};
  66 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)"};
  67 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"};
  68
  69 extern cvar_t v_glslgamma;
  70 extern cvar_t sbar_info_pos;
  71 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
  72
  73 int jpeg_supported = false;
  74
  75 qboolean        scr_initialized;                // ready to draw
  76
  77 float           scr_con_current;
  78 int                     scr_con_margin_bottom;
  79
  80 extern int      con_vislines;
  81
  82 static void SCR_ScreenShot_f (void);
  83 static void R_Envmap_f (void);
  84
  85 // backend
  86 void R_ClearScreen(qboolean fogcolor);
  87
  88 /*
  89 ===============================================================================
  90
  91 CENTER PRINTING
  92
  93 ===============================================================================
  94 */
  95
  96 char            scr_centerstring[MAX_INPUTLINE];
  97 float           scr_centertime_start;   // for slow victory printing
  98 float           scr_centertime_off;
  99 int                     scr_center_lines;
 100 int                     scr_erase_lines;
 101 int                     scr_erase_center;
 102 char        scr_infobarstring[MAX_INPUTLINE];
 103 float       scr_infobartime_off;
 104
 105 /*
 106 ==============
 107 SCR_CenterPrint
 108
 109 Called for important messages that should stay in the center of the screen
 110 for a few moments
 111 ==============
 112 */
 113 void SCR_CenterPrint(const char *str)
 114 {
 115         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
 116         scr_centertime_off = scr_centertime.value;
 117         scr_centertime_start = cl.time;
 118
 119 // count the number of lines for centering
 120         scr_center_lines = 1;
 121         while (*str)
 122         {
 123                 if (*str == '\n')
 124                         scr_center_lines++;
 125                 str++;
 126         }
 127 }
 128
 129
 130 void SCR_DrawCenterString (void)
 131 {
 132         char    *start;
 133         int             x, y;
 134         int             remaining;
 135         int             color;
 136
 137         if(cl.intermission == 2) // in finale,
 138                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 139                         return;
 140
 141         if(scr_centertime.value <= 0 && !cl.intermission)
 142                 return;
 143
 144 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 145         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 146                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 147         else
 148                 remaining = 9999;
 149
 150         scr_erase_center = 0;
 151         start = scr_centerstring;
 152
 153         if (remaining < 1)
 154                 return;
 155
 156         if (scr_center_lines <= 4)
 157                 y = (int)(vid_conheight.integer*0.35);
 158         else
 159                 y = 48;
 160
 161         color = -1;
 162         do
 163         {
 164                 // scan the number of characters on the line, not counting color codes
 165                 char *newline = strchr(start, '\n');
 166                 int l = newline ? (newline - start) : (int)strlen(start);
 167                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
 168
 169                 x = (int) (vid_conwidth.integer - width)/2;
 170                 if (l > 0)
 171                 {
 172                         if (remaining < l)
 173                                 l = remaining;
 174                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 175                         remaining -= l;
 176                         if (remaining <= 0)
 177                                 return;
 178                 }
 179                 y += 8;
 180
 181                 if (!newline)
 182                         break;
 183                 start = newline + 1; // skip the \n
 184         } while (1);
 185 }
 186
 187 void SCR_CheckDrawCenterString (void)
 188 {
 189         if (scr_center_lines > scr_erase_lines)
 190                 scr_erase_lines = scr_center_lines;
 191
 192         if (cl.time > cl.oldtime)
 193                 scr_centertime_off -= cl.time - cl.oldtime;
 194
 195         // don't draw if this is a normal stats-screen intermission,
 196         // only if it is not an intermission, or a finale intermission
 197         if (cl.intermission == 1)
 198                 return;
 199         if (scr_centertime_off <= 0 && !cl.intermission)
 200                 return;
 201         if (key_dest != key_game)
 202                 return;
 203
 204         SCR_DrawCenterString ();
 205 }
 206
 207 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
 208 {
 209         netgraphitem_t *graph;
 210         int j, x, y;
 211         int totalbytes = 0;
 212         char bytesstring[128];
 213         float g[NETGRAPH_PACKETS][6];
 214         float *a;
 215         float *b;
 216         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
 217         // draw the bar graph itself
 218         // advance the packet counter because it is the latest packet column being
 219         // built up and should come last
 220         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 221         memset(g, 0, sizeof(g));
 222         for (j = 0;j < NETGRAPH_PACKETS;j++)
 223         {
 224                 graph = netgraph + j;
 225                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
 226                 g[j][1] = 1.0f;
 227                 g[j][2] = 1.0f;
 228                 g[j][3] = 1.0f;
 229                 g[j][4] = 1.0f;
 230                 g[j][5] = 1.0f;
 231                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
 232                         g[j][1] = 0.00f;
 233                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
 234                         g[j][2] = 0.96f;
 235                 else
 236                 {
 237                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
 238                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
 239                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
 240                         // count bytes in the last second
 241                         if (realtime - graph->time < 1.0f)
 242                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
 243                 }
 244                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
 245                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
 246                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
 247                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
 248                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
 249         }
 250         // render the lines for the graph
 251         for (j = 0;j < NETGRAPH_PACKETS;j++)
 252         {
 253                 a = g[j];
 254                 b = g[(j+1)%NETGRAPH_PACKETS];
 255                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
 256                         continue;
 257                 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);
 258                 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);
 259                 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);
 260                 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);
 261                 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);
 262         }
 263         x = graphx;
 264         y = graphy + graphheight;
 265         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
 266         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 267         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 268 }
 269
 270 /*
 271 ==============
 272 SCR_DrawNetGraph
 273 ==============
 274 */
 275 void SCR_DrawNetGraph (void)
 276 {
 277         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 278         float graphscale;
 279         netconn_t *c;
 280
 281         if (cls.state != ca_connected)
 282                 return;
 283         if (!cls.netcon)
 284                 return;
 285         if (!shownetgraph.integer)
 286                 return;
 287
 288         separator1 = 2;
 289         separator2 = 4;
 290         textsize = 8;
 291         graphwidth = 120;
 292         graphheight = 70;
 293         graphscale = 1.0f / 1500.0f;
 294
 295         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
 296         netgraphsperrow = max(netgraphsperrow, 1);
 297
 298         index = 0;
 299         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 300         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 301         c = cls.netcon;
 302         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
 303         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 304         index++;
 305
 306         if (sv.active && shownetgraph.integer >= 2)
 307         {
 308                 for (i = 0;i < svs.maxclients;i++)
 309                 {
 310                         c = svs.clients[i].netconnection;
 311                         if (!c)
 312                                 continue;
 313                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 314                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 315                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 316                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
 317                         index++;
 318                 }
 319         }
 320 }
 321
 322 /*
 323 ==============
 324 SCR_DrawTurtle
 325 ==============
 326 */
 327 void SCR_DrawTurtle (void)
 328 {
 329         static int      count;
 330
 331         if (cls.state != ca_connected)
 332                 return;
 333
 334         if (!scr_showturtle.integer)
 335                 return;
 336
 337         if (cl.realframetime < 0.1)
 338         {
 339                 count = 0;
 340                 return;
 341         }
 342
 343         count++;
 344         if (count < 3)
 345                 return;
 346
 347         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
 348 }
 349
 350 /*
 351 ==============
 352 SCR_DrawNet
 353 ==============
 354 */
 355 void SCR_DrawNet (void)
 356 {
 357         if (cls.state != ca_connected)
 358                 return;
 359         if (realtime - cl.last_received_message < 0.3)
 360                 return;
 361         if (cls.demoplayback)
 362                 return;
 363
 364         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
 365 }
 366
 367 /*
 368 ==============
 369 DrawPause
 370 ==============
 371 */
 372 void SCR_DrawPause (void)
 373 {
 374         cachepic_t      *pic;
 375
 376         if (cls.state != ca_connected)
 377                 return;
 378
 379         if (!scr_showpause.integer)             // turn off for screenshots
 380                 return;
 381
 382         if (!cl.paused)
 383                 return;
 384
 385         pic = Draw_CachePic ("gfx/pause");
 386         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 387 }
 388
 389 /*
 390 ==============
 391 SCR_DrawBrand
 392 ==============
 393 */
 394 void SCR_DrawBrand (void)
 395 {
 396         cachepic_t      *pic;
 397         float           x, y;
 398
 399         if (!scr_showbrand.value)
 400                 return;
 401
 402         pic = Draw_CachePic ("gfx/brand");
 403
 404         switch ((int)scr_showbrand.value)
 405         {
 406         case 1: // bottom left
 407                 x = 0;
 408                 y = vid_conheight.integer - pic->height;
 409                 break;
 410         case 2: // bottom centre
 411                 x = (vid_conwidth.integer - pic->width) / 2;
 412                 y = vid_conheight.integer - pic->height;
 413                 break;
 414         case 3: // bottom right
 415                 x = vid_conwidth.integer - pic->width;
 416                 y = vid_conheight.integer - pic->height;
 417                 break;
 418         case 4: // centre right
 419                 x = vid_conwidth.integer - pic->width;
 420                 y = (vid_conheight.integer - pic->height) / 2;
 421                 break;
 422         case 5: // top right
 423                 x = vid_conwidth.integer - pic->width;
 424                 y = 0;
 425                 break;
 426         case 6: // top centre
 427                 x = (vid_conwidth.integer - pic->width) / 2;
 428                 y = 0;
 429                 break;
 430         case 7: // top left
 431                 x = 0;
 432                 y = 0;
 433                 break;
 434         case 8: // centre left
 435                 x = 0;
 436                 y = (vid_conheight.integer - pic->height) / 2;
 437                 break;
 438         default:
 439                 return;
 440         }
 441
 442         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 443 }
 444
 445 /*
 446 ==============
 447 SCR_DrawQWDownload
 448 ==============
 449 */
 450 static int SCR_DrawQWDownload(int offset)
 451 {
 452         // sync with SCR_InfobarHeight
 453         int len;
 454         float x, y;
 455         float size = 8;
 456         char temp[256];
 457
 458         if (!cls.qw_downloadname[0])
 459         {
 460                 cls.qw_downloadspeedrate = 0;
 461                 cls.qw_downloadspeedtime = realtime;
 462                 cls.qw_downloadspeedcount = 0;
 463                 return 0;
 464         }
 465         if (realtime >= cls.qw_downloadspeedtime + 1)
 466         {
 467                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 468                 cls.qw_downloadspeedtime = realtime;
 469                 cls.qw_downloadspeedcount = 0;
 470         }
 471         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 472                 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);
 473         else
 474                 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);
 475         len = (int)strlen(temp);
 476         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 477         y = vid_conheight.integer - size - offset;
 478         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 479         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 480         return 8;
 481 }
 482 /*
 483 ==============
 484 SCR_DrawInfobarString
 485 ==============
 486 */
 487 static int SCR_DrawInfobarString(int offset)
 488 {
 489         int len;
 490         float x, y;
 491         float size = 8;
 492
 493         len = (int)strlen(scr_infobarstring);
 494         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
 495         y = vid_conheight.integer - size - offset;
 496         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 497         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
 498         return 8;
 499 }
 500
 501 /*
 502 ==============
 503 SCR_DrawCurlDownload
 504 ==============
 505 */
 506 static int SCR_DrawCurlDownload(int offset)
 507 {
 508         // sync with SCR_InfobarHeight
 509         int len;
 510         int nDownloads;
 511         int i;
 512         float x, y;
 513         float size = 8;
 514         Curl_downloadinfo_t *downinfo;
 515         char temp[256];
 516         const char *addinfo;
 517
 518         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 519         if(!downinfo)
 520                 return 0;
 521
 522         y = vid_conheight.integer - size * nDownloads - offset;
 523
 524         if(addinfo)
 525         {
 526                 len = (int)strlen(addinfo);
 527                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
 528                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 529                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 530         }
 531
 532         for(i = 0; i != nDownloads; ++i)
 533         {
 534                 if(downinfo[i].queued)
 535                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
 536                 else if(downinfo[i].progress <= 0)
 537                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
 538                 else
 539                         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);
 540                 len = (int)strlen(temp);
 541                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 542                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 543                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 544         }
 545
 546         Z_Free(downinfo);
 547
 548         return 8 * (nDownloads + (addinfo ? 1 : 0));
 549 }
 550
 551 /*
 552 ==============
 553 SCR_DrawInfobar
 554 ==============
 555 */
 556 static void SCR_DrawInfobar(void)
 557 {
 558         int offset = 0;
 559         if(scr_infobartime_off > 0)
 560                 offset += SCR_DrawInfobarString(offset);
 561         offset += SCR_DrawQWDownload(offset);
 562         offset += SCR_DrawCurlDownload(offset);
 563         if(offset != scr_con_margin_bottom)
 564                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 565 }
 566
 567 static int SCR_InfobarHeight(void)
 568 {
 569         int offset = 0;
 570         Curl_downloadinfo_t *downinfo;
 571         const char *addinfo;
 572         int nDownloads;
 573
 574         if (cl.time > cl.oldtime)
 575                 scr_infobartime_off -= cl.time - cl.oldtime;
 576         if(scr_infobartime_off > 0)
 577                 offset += 8;
 578
 579         if(cls.qw_downloadname[0])
 580                 offset += 8;
 581
 582         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 583         if(downinfo)
 584         {
 585                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
 586                 Z_Free(downinfo);
 587         }
 588
 589         return offset;
 590 }
 591
 592 /*
 593 ==============
 594 SCR_InfoBar_f
 595 ==============
 596 */
 597 void SCR_InfoBar_f(void)
 598 {
 599         if(Cmd_Argc() == 3)
 600         {
 601                 scr_infobartime_off = atof(Cmd_Argv(1));
 602                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
 603         }
 604         else
 605         {
 606                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
 607         }
 608 }
 609 //=============================================================================
 610
 611 /*
 612 ==================
 613 SCR_SetUpToDrawConsole
 614 ==================
 615 */
 616 void SCR_SetUpToDrawConsole (void)
 617 {
 618         // lines of console to display
 619         float conlines;
 620         static int framecounter = 0;
 621
 622         Con_CheckResize ();
 623
 624         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 625         {
 626                 if (framecounter >= 2)
 627                         MR_ToggleMenu(1);
 628                 else
 629                         framecounter++;
 630         }
 631         else
 632                 framecounter = 0;
 633
 634         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 635                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 636         else
 637                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 638
 639 // decide on the height of the console
 640         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 641                 conlines = vid_conheight.integer/2;     // half screen
 642         else
 643                 conlines = 0;                           // none visible
 644
 645         scr_con_current = conlines;
 646 }
 647
 648 /*
 649 ==================
 650 SCR_DrawConsole
 651 ==================
 652 */
 653 void SCR_DrawConsole (void)
 654 {
 655         scr_con_margin_bottom = SCR_InfobarHeight();
 656         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 657         {
 658                 // full screen
 659                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 660         }
 661         else if (scr_con_current)
 662                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 663         else
 664                 con_vislines = 0;
 665 }
 666
 667 /*
 668 ===============
 669 SCR_BeginLoadingPlaque
 670
 671 ================
 672 */
 673 void SCR_BeginLoadingPlaque (void)
 674 {
 675         // save console log up to this point to log_file if it was set by configs
 676         Log_Start();
 677
 678         Host_StartVideo();
 679         SCR_UpdateLoadingScreen(false);
 680 }
 681
 682 //=============================================================================
 683
 684 char r_speeds_timestring[4096];
 685 int speedstringcount, r_timereport_active;
 686 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 687 int r_speeds_longestitem = 0;
 688
 689 void R_TimeReport(char *desc)
 690 {
 691         char tempbuf[256];
 692         int length;
 693         int t;
 694
 695         if (r_speeds.integer < 2 || !r_timereport_active)
 696                 return;
 697
 698         CHECKGLERROR
 699         if (r_speeds.integer == 2)
 700                 qglFinish();
 701         CHECKGLERROR
 702         r_timereport_temp = r_timereport_current;
 703         r_timereport_current = Sys_DoubleTime();
 704         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 705
 706         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
 707         length = min(length, (int)sizeof(tempbuf) - 1);
 708         if (r_speeds_longestitem < length)
 709                 r_speeds_longestitem = length;
 710         for (;length < r_speeds_longestitem;length++)
 711                 tempbuf[length] = ' ';
 712         tempbuf[length] = 0;
 713
 714         if (speedstringcount + length > (vid_conwidth.integer / 8))
 715         {
 716                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
 717                 speedstringcount = 0;
 718         }
 719         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
 720         speedstringcount += length;
 721 }
 722
 723 void R_TimeReport_BeginFrame(void)
 724 {
 725         speedstringcount = 0;
 726         r_speeds_timestring[0] = 0;
 727         r_timereport_active = false;
 728         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 729
 730         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
 731         {
 732                 r_timereport_active = true;
 733                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
 734         }
 735 }
 736
 737 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
 738 {
 739         int i, triangles = 0;
 740         for (i = 0;i < leaf->numleafsurfaces;i++)
 741                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
 742         return triangles;
 743 }
 744
 745 void R_TimeReport_EndFrame(void)
 746 {
 747         int i, j, lines, y;
 748         cl_locnode_t *loc;
 749         char string[1024+4096];
 750         mleaf_t *viewleaf;
 751
 752         string[0] = 0;
 753         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 754         {
 755                 // put the location name in the r_speeds display as it greatly helps
 756                 // when creating loc files
 757                 loc = CL_Locs_FindNearest(cl.movement_origin);
 758                 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;
 759                 dpsnprintf(string, sizeof(string),
 760 "%s%s\n"
 761 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
 762 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
 763 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
 764 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
 765 "%7i lightmap updates (%7i pixels)\n"
 766 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
 767 "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n"
 768 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
 769 "%s"
 770 , loc ? "Location: " : "", loc ? loc->name : ""
 771 , 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]
 772 , 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
 773 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
 774 , 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)
 775 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
 776 , 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
 777 , r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
 778 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
 779 , r_speeds_timestring);
 780
 781                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 782
 783                 speedstringcount = 0;
 784                 r_speeds_timestring[0] = 0;
 785                 r_timereport_active = false;
 786
 787                 if (r_speeds.integer >= 2)
 788                 {
 789                         r_timereport_active = true;
 790                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 791                 }
 792         }
 793
 794         if (string[0])
 795         {
 796                 if (string[strlen(string)-1] == '\n')
 797                         string[strlen(string)-1] = 0;
 798                 lines = 1;
 799                 for (i = 0;string[i];i++)
 800                         if (string[i] == '\n')
 801                                 lines++;
 802                 y = vid_conheight.integer - sb_lines - lines * 8;
 803                 i = j = 0;
 804                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 805                 while (string[i])
 806                 {
 807                         j = i;
 808                         while (string[i] && string[i] != '\n')
 809                                 i++;
 810                         if (i - j > 0)
 811                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
 812                         if (string[i] == '\n')
 813                                 i++;
 814                         y += 8;
 815                 }
 816         }
 817 }
 818
 819 /*
 820 =================
 821 SCR_SizeUp_f
 822
 823 Keybinding command
 824 =================
 825 */
 826 void SCR_SizeUp_f (void)
 827 {
 828         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 829 }
 830
 831
 832 /*
 833 =================
 834 SCR_SizeDown_f
 835
 836 Keybinding command
 837 =================
 838 */
 839 void SCR_SizeDown_f (void)
 840 {
 841         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 842 }
 843
 844 void SCR_CaptureVideo_EndVideo(void);
 845 void CL_Screen_Shutdown(void)
 846 {
 847         SCR_CaptureVideo_EndVideo();
 848 }
 849
 850 void CL_Screen_Init(void)
 851 {
 852         Cvar_RegisterVariable (&scr_fov);
 853         Cvar_RegisterVariable (&scr_viewsize);
 854         Cvar_RegisterVariable (&scr_conalpha);
 855         Cvar_RegisterVariable (&scr_conbrightness);
 856         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 857         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 858         Cvar_RegisterVariable (&scr_loadingscreen_background);
 859         Cvar_RegisterVariable (&scr_loadingscreen_count);
 860         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
 861         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
 862         Cvar_RegisterVariable (&scr_showram);
 863         Cvar_RegisterVariable (&scr_showturtle);
 864         Cvar_RegisterVariable (&scr_showpause);
 865         Cvar_RegisterVariable (&scr_showbrand);
 866         Cvar_RegisterVariable (&scr_centertime);
 867         Cvar_RegisterVariable (&scr_printspeed);
 868         Cvar_RegisterVariable (&vid_conwidth);
 869         Cvar_RegisterVariable (&vid_conheight);
 870         Cvar_RegisterVariable (&vid_pixelheight);
 871         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 872         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 873         Cvar_RegisterVariable (&scr_screenshot_png);
 874         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 875         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
 876         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
 877         Cvar_RegisterVariable (&cl_capturevideo);
 878         Cvar_RegisterVariable (&cl_capturevideo_printfps);
 879         Cvar_RegisterVariable (&cl_capturevideo_width);
 880         Cvar_RegisterVariable (&cl_capturevideo_height);
 881         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 882         Cvar_RegisterVariable (&cl_capturevideo_fps);
 883         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
 884         Cvar_RegisterVariable (&cl_capturevideo_number);
 885         Cvar_RegisterVariable (&cl_capturevideo_ogg);
 886         Cvar_RegisterVariable (&cl_capturevideo_framestep);
 887         Cvar_RegisterVariable (&r_letterbox);
 888         Cvar_RegisterVariable(&r_stereo_separation);
 889         Cvar_RegisterVariable(&r_stereo_sidebyside);
 890         Cvar_RegisterVariable(&r_stereo_redblue);
 891         Cvar_RegisterVariable(&r_stereo_redcyan);
 892         Cvar_RegisterVariable(&r_stereo_redgreen);
 893         Cvar_RegisterVariable(&r_stereo_angle);
 894         Cvar_RegisterVariable(&scr_zoomwindow);
 895         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 896         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 897         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 898         Cvar_RegisterVariable(&scr_stipple);
 899         Cvar_RegisterVariable(&scr_refresh);
 900         Cvar_RegisterVariable(&shownetgraph);
 901         Cvar_RegisterVariable(&cl_demo_mousegrab);
 902         Cvar_RegisterVariable(&timedemo_screenshotframelist);
 903
 904         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 905         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 906         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 907         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 908         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
 909
 910         SCR_CaptureVideo_Ogg_Init();
 911
 912         scr_initialized = true;
 913 }
 914
 915 /*
 916 ==================
 917 SCR_ScreenShot_f
 918 ==================
 919 */
 920 void SCR_ScreenShot_f (void)
 921 {
 922         static int shotnumber;
 923         static char old_prefix_name[MAX_QPATH];
 924         char prefix_name[MAX_QPATH];
 925         char filename[MAX_QPATH];
 926         char mapname[MAX_QPATH];
 927         unsigned char *buffer1;
 928         unsigned char *buffer2;
 929         unsigned char *buffer3;
 930         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 931         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
 932
 933         if (Cmd_Argc() == 2)
 934         {
 935                 const char *ext;
 936                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
 937                 ext = FS_FileExtension(filename);
 938                 if (!strcasecmp(ext, "jpg"))
 939                 {
 940                         jpeg = true;
 941                         png = false;
 942                 }
 943                 else if (!strcasecmp(ext, "tga"))
 944                 {
 945                         jpeg = false;
 946                         png = false;
 947                 }
 948                 else if (!strcasecmp(ext, "png"))
 949                 {
 950                         jpeg = false;
 951                         png = true;
 952                 }
 953                 else
 954                 {
 955                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
 956                         return;
 957                 }
 958         }
 959         else
 960         {
 961                 // TODO maybe make capturevideo and screenshot use similar name patterns?
 962                 if (scr_screenshot_name_in_mapdir.integer && cl.worldmodel && *cl.worldmodel->name) {
 963                         // figure out the map's filename without path or extension
 964                         strlcpy(mapname, FS_FileWithoutPath(cl.worldmodel->name), sizeof(mapname));
 965                         if (strrchr(mapname, '.'))
 966                                 *(strrchr(mapname, '.')) = 0;
 967                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", mapname, Sys_TimeString(scr_screenshot_name.string));
 968                 } else {
 969                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
 970                 }
 971
 972                 if (strcmp(old_prefix_name, prefix_name))
 973                 {
 974                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
 975                         shotnumber = 0;
 976                 }
 977
 978                 // find a file name to save it to
 979                 for (;shotnumber < 1000000;shotnumber++)
 980                         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)) && !FS_SysFileExists(va("%s/screenshots/%s%06d.png", fs_gamedir, prefix_name, shotnumber)))
 981                                 break;
 982                 if (shotnumber >= 1000000)
 983                 {
 984                         Con_Print("Couldn't create the image file\n");
 985                         return;
 986                 }
 987
 988                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
 989         }
 990
 991         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 992         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 993         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
 994
 995         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true))
 996                 Con_Printf("Wrote %s\n", filename);
 997         else
 998         {
 999                 Con_Printf("Unable to write %s\n", filename);
1000                 if(jpeg || png)
1001                 {
1002                         if(SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, false, false, true))
1003                         {
1004                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1005                                 Con_Printf("Wrote %s\n", filename);
1006                         }
1007                 }
1008         }
1009
1010         Mem_Free (buffer1);
1011         Mem_Free (buffer2);
1012         Mem_Free (buffer3);
1013
1014         shotnumber++;
1015 }
1016
1017 void SCR_CaptureVideo_BeginVideo(void)
1018 {
1019         double r, g, b;
1020         unsigned int i;
1021         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1022         if (cls.capturevideo.active)
1023                 return;
1024         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1025         // soundrate is figured out on the first SoundFrame
1026
1027         if(width == 0 && height != 0)
1028                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1029         if(width != 0 && height == 0)
1030                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1031
1032         if(width < 2 || width > vid.width) // can't scale up
1033                 width = vid.width;
1034         if(height < 2 || height > vid.height) // can't scale up
1035                 height = vid.height;
1036
1037         // ensure it's all even; if not, scale down a little
1038         if(width % 1)
1039                 --width;
1040         if(height % 1)
1041                 --height;
1042
1043         cls.capturevideo.width = width;
1044         cls.capturevideo.height = height;
1045         cls.capturevideo.active = true;
1046         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1047         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1048         cls.capturevideo.soundrate = S_GetSoundRate();
1049         cls.capturevideo.soundchannels = S_GetSoundChannels();
1050         cls.capturevideo.startrealtime = realtime;
1051         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1052         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1053         cls.capturevideo.soundsampleframe = 0;
1054         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1055         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1056         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1057         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1058         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1059
1060         /*
1061         for (i = 0;i < 256;i++)
1062         {
1063                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1064                 cls.capturevideo.rgbgammatable[0][i] = j;
1065                 cls.capturevideo.rgbgammatable[1][i] = j;
1066                 cls.capturevideo.rgbgammatable[2][i] = j;
1067         }
1068         */
1069 /*
1070 R = Y + 1.4075 * (Cr - 128);
1071 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1072 B = Y + 1.7790 * (Cb - 128);
1073 Y = R *  .299 + G *  .587 + B *  .114;
1074 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1075 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1076 */
1077
1078         if(WANT_SCREENSHOT_HWGAMMA)
1079         {
1080                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1081         }
1082         else
1083         {
1084                 // identity gamma table
1085                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1086                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1087                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1088         }
1089         if(scr_screenshot_gammaboost.value != 1)
1090         {
1091                 double igamma = 1 / scr_screenshot_gammaboost.value;
1092                 for (i = 0;i < 256 * 3;i++)
1093                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1094         }
1095
1096         for (i = 0;i < 256;i++)
1097         {
1098                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1099                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1100                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1101                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1102                 // Y weights from RGB
1103                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1104                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1105                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1106                 // Cb weights from RGB
1107                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1108                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1109                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1110                 // Cr weights from RGB
1111                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1112                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1113                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1114                 // range reduction of YCbCr to valid signal range
1115                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1116                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1117                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1118         }
1119
1120         if (cl_capturevideo_ogg.integer)
1121         {
1122                 if(SCR_CaptureVideo_Ogg_Available())
1123                 {
1124                         SCR_CaptureVideo_Ogg_BeginVideo();
1125                         return;
1126                 }
1127                 else
1128                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1129         }
1130
1131         SCR_CaptureVideo_Avi_BeginVideo();
1132 }
1133
1134 void SCR_CaptureVideo_EndVideo(void)
1135 {
1136         if (!cls.capturevideo.active)
1137                 return;
1138         cls.capturevideo.active = false;
1139
1140         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);
1141
1142         if (cls.capturevideo.videofile)
1143         {
1144                 cls.capturevideo.endvideo();
1145         }
1146
1147         if (cls.capturevideo.screenbuffer)
1148         {
1149                 Mem_Free (cls.capturevideo.screenbuffer);
1150                 cls.capturevideo.screenbuffer = NULL;
1151         }
1152
1153         if (cls.capturevideo.outbuffer)
1154         {
1155                 Mem_Free (cls.capturevideo.outbuffer);
1156                 cls.capturevideo.outbuffer = NULL;
1157         }
1158
1159         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1160 }
1161
1162 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1163 {
1164         // TODO optimize this function
1165
1166         int x, y;
1167         float area;
1168
1169         // memcpy is faster than me
1170         if(inw == outw && inh == outh)
1171         {
1172                 memcpy(out, in, 4 * inw * inh);
1173                 return;
1174         }
1175
1176         // otherwise: a box filter
1177         area = (float)outw * (float)outh / (float)inw / (float)inh;
1178         for(y = 0; y < outh; ++y)
1179         {
1180                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1181                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1182                 for(x = 0; x < outw; ++x)
1183                 {
1184                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1185                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1186                         float r = 0, g = 0, b = 0, alpha = 0;
1187                         int xx, yy;
1188
1189                         for(yy = iny0_i; yy < iny1_i; ++yy)
1190                         {
1191                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1192                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1193                                 {
1194                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1195                                         r += a * in[4*(xx + inw * yy)+0];
1196                                         g += a * in[4*(xx + inw * yy)+1];
1197                                         b += a * in[4*(xx + inw * yy)+2];
1198                                         alpha += a * in[4*(xx + inw * yy)+3];
1199                                 }
1200                         }
1201
1202                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1203                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1204                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1205                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1206                 }
1207         }
1208 }
1209
1210 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1211 {
1212         int x = 0, y = 0;
1213         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1214
1215         if(newframestepframenum == cls.capturevideo.framestepframe)
1216                 return;
1217
1218         CHECKGLERROR
1219         //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);
1220         // speed is critical here, so do saving as directly as possible
1221
1222         qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1223         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1224
1225         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1226         cls.capturevideo.framestepframe = newframestepframenum;
1227
1228         if(cl_capturevideo_printfps.integer)
1229         {
1230                 char buf[80];
1231                 double t = Sys_DoubleTime();
1232                 if(t > cls.capturevideo.lastfpstime + 1)
1233                 {
1234                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1235                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1236                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1237                         Sys_PrintToTerminal(buf);
1238                         cls.capturevideo.lastfpstime = t;
1239                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1240                 }
1241         }
1242 }
1243
1244 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1245 {
1246         cls.capturevideo.soundsampleframe += length;
1247         cls.capturevideo.soundframe(paintbuffer, length);
1248 }
1249
1250 void SCR_CaptureVideo(void)
1251 {
1252         int newframenum;
1253         if (cl_capturevideo.integer)
1254         {
1255                 if (!cls.capturevideo.active)
1256                         SCR_CaptureVideo_BeginVideo();
1257                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1258                 {
1259                         Con_Printf("You can not change the video framerate while recording a video.\n");
1260                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1261                 }
1262                 // for AVI saving we have to make sure that sound is saved before video
1263                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1264                         return;
1265                 if (cls.capturevideo.realtime)
1266                 {
1267                         // preserve sound sync by duplicating frames when running slow
1268                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1269                 }
1270                 else
1271                         newframenum = cls.capturevideo.frame + 1;
1272                 // if falling behind more than one second, stop
1273                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1274                 {
1275                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1276                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1277                         SCR_CaptureVideo_EndVideo();
1278                         return;
1279                 }
1280                 // write frames
1281                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1282                 cls.capturevideo.frame = newframenum;
1283                 if (cls.capturevideo.error)
1284                 {
1285                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1286                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1287                         SCR_CaptureVideo_EndVideo();
1288                 }
1289         }
1290         else if (cls.capturevideo.active)
1291                 SCR_CaptureVideo_EndVideo();
1292 }
1293
1294 /*
1295 ===============
1296 R_Envmap_f
1297
1298 Grab six views for environment mapping tests
1299 ===============
1300 */
1301 struct envmapinfo_s
1302 {
1303         float angles[3];
1304         char *name;
1305         qboolean flipx, flipy, flipdiagonaly;
1306 }
1307 envmapinfo[12] =
1308 {
1309         {{  0,   0, 0}, "rt", false, false, false},
1310         {{  0, 270, 0}, "ft", false, false, false},
1311         {{  0, 180, 0}, "lf", false, false, false},
1312         {{  0,  90, 0}, "bk", false, false, false},
1313         {{-90, 180, 0}, "up",  true,  true, false},
1314         {{ 90, 180, 0}, "dn",  true,  true, false},
1315
1316         {{  0,   0, 0}, "px",  true,  true,  true},
1317         {{  0,  90, 0}, "py", false,  true, false},
1318         {{  0, 180, 0}, "nx", false, false,  true},
1319         {{  0, 270, 0}, "ny",  true, false, false},
1320         {{-90, 180, 0}, "pz", false, false,  true},
1321         {{ 90, 180, 0}, "nz", false, false,  true}
1322 };
1323
1324 static void R_Envmap_f (void)
1325 {
1326         int j, size;
1327         char filename[MAX_QPATH], basename[MAX_QPATH];
1328         unsigned char *buffer1;
1329         unsigned char *buffer2;
1330         unsigned char *buffer3;
1331
1332         if (Cmd_Argc() != 3)
1333         {
1334                 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");
1335                 return;
1336         }
1337
1338         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1339         size = atoi(Cmd_Argv(2));
1340         if (size != 128 && size != 256 && size != 512 && size != 1024)
1341         {
1342                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1343                 return;
1344         }
1345         if (size > vid.width || size > vid.height)
1346         {
1347                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1348                 return;
1349         }
1350
1351         r_refdef.envmap = true;
1352
1353         R_UpdateVariables();
1354
1355         r_refdef.view.x = 0;
1356         r_refdef.view.y = 0;
1357         r_refdef.view.z = 0;
1358         r_refdef.view.width = size;
1359         r_refdef.view.height = size;
1360         r_refdef.view.depth = 1;
1361         r_refdef.view.useperspective = true;
1362         r_refdef.view.isoverlay = false;
1363
1364         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1365         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1366
1367         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1368         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1369         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1370
1371         for (j = 0;j < 12;j++)
1372         {
1373                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1374                 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);
1375                 r_refdef.view.quality = 1;
1376                 r_refdef.view.clear = true;
1377                 R_Mesh_Start();
1378                 R_RenderView();
1379                 R_Mesh_Finish();
1380                 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, false);
1381         }
1382
1383         Mem_Free (buffer1);
1384         Mem_Free (buffer2);
1385         Mem_Free (buffer3);
1386
1387         r_refdef.envmap = false;
1388 }
1389
1390 //=============================================================================
1391
1392 void SHOWLMP_decodehide(void)
1393 {
1394         int i;
1395         char *lmplabel;
1396         lmplabel = MSG_ReadString();
1397         for (i = 0;i < cl.num_showlmps;i++)
1398                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1399                 {
1400                         cl.showlmps[i].isactive = false;
1401                         return;
1402                 }
1403 }
1404
1405 void SHOWLMP_decodeshow(void)
1406 {
1407         int k;
1408         char lmplabel[256], picname[256];
1409         float x, y;
1410         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1411         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1412         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1413         {
1414                 x = MSG_ReadByte();
1415                 y = MSG_ReadByte();
1416         }
1417         else
1418         {
1419                 x = MSG_ReadShort();
1420                 y = MSG_ReadShort();
1421         }
1422         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1423         {
1424                 showlmp_t *oldshowlmps = cl.showlmps;
1425                 cl.max_showlmps += 16;
1426                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1427                 if (cl.num_showlmps)
1428                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1429                 if (oldshowlmps)
1430                         Mem_Free(oldshowlmps);
1431         }
1432         for (k = 0;k < cl.max_showlmps;k++)
1433                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1434                         break;
1435         if (k == cl.max_showlmps)
1436                 for (k = 0;k < cl.max_showlmps;k++)
1437                         if (!cl.showlmps[k].isactive)
1438                                 break;
1439         cl.showlmps[k].isactive = true;
1440         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1441         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1442         cl.showlmps[k].x = x;
1443         cl.showlmps[k].y = y;
1444         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1445 }
1446
1447 void SHOWLMP_drawall(void)
1448 {
1449         int i;
1450         for (i = 0;i < cl.num_showlmps;i++)
1451                 if (cl.showlmps[i].isactive)
1452                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic (cl.showlmps[i].pic), 0, 0, 1, 1, 1, 1, 0);
1453 }
1454
1455 /*
1456 ==============================================================================
1457
1458                                                 SCREEN SHOTS
1459
1460 ==============================================================================
1461 */
1462
1463 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 png, qboolean gammacorrect)
1464 {
1465         int     indices[3] = {0,1,2};
1466         qboolean ret;
1467
1468         CHECKGLERROR
1469         qglReadPixels (x, y, width, height, jpeg ? GL_RGB : GL_BGR, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1470
1471         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1472         {
1473                 int i;
1474                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1475                 unsigned short vidramp[256 * 3];
1476                 if(WANT_SCREENSHOT_HWGAMMA)
1477                 {
1478                         VID_BuildGammaTables(&vidramp[0], 256);
1479                 }
1480                 else
1481                 {
1482                         // identity gamma table
1483                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1484                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1485                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1486                 }
1487                 if(scr_screenshot_gammaboost.value != 1)
1488                 {
1489                         for (i = 0;i < 256 * 3;i++)
1490                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1491                 }
1492                 for (i = 0;i < width*height*3;i += 3)
1493                 {
1494                         buffer1[i] = (unsigned char) (vidramp[buffer1[i]] * 255.0 / 65535.0 + 0.5);
1495                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5);
1496                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2] + 512] * 255.0 / 65535.0 + 0.5);
1497                 }
1498         }
1499
1500         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1501
1502         if (jpeg)
1503                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1504         else if (png)
1505                 ret = PNG_SaveImage_preflipped (filename, width, height, buffer2);
1506         else
1507                 ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2, buffer3);
1508
1509         return ret;
1510 }
1511
1512 //=============================================================================
1513
1514 extern void R_UpdateFogColor(void);
1515 void R_ClearScreen(qboolean fogcolor)
1516 {
1517         // clear to black
1518         CHECKGLERROR
1519         if (fogcolor)
1520         {
1521                 R_UpdateFogColor();
1522                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1523         }
1524         else
1525         {
1526                 qglClearColor(0,0,0,0);CHECKGLERROR
1527         }
1528         qglClearDepth(1);CHECKGLERROR
1529         if (vid.stencil)
1530         {
1531                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1532                 // to avoid clamping interfering with strange shadow volume
1533                 // drawing orders
1534                 qglClearStencil(128);CHECKGLERROR
1535         }
1536         // clear the screen
1537         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0));
1538         // set dithering mode
1539         if (gl_dither.integer)
1540         {
1541                 qglEnable(GL_DITHER);CHECKGLERROR
1542         }
1543         else
1544         {
1545                 qglDisable(GL_DITHER);CHECKGLERROR
1546         }
1547 }
1548
1549 qboolean CL_VM_UpdateView (void);
1550 void SCR_DrawConsole (void);
1551 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1552
1553 int r_stereo_side;
1554
1555 extern void Sbar_ShowFPS(void);
1556 void SCR_DrawScreen (void)
1557 {
1558         Draw_Frame();
1559
1560         R_Mesh_Start();
1561
1562         R_UpdateVariables();
1563
1564         // Quake uses clockwise winding, so these are swapped
1565         r_refdef.view.cullface_front = GL_BACK;
1566         r_refdef.view.cullface_back = GL_FRONT;
1567
1568         if (cls.signon == SIGNONS)
1569         {
1570                 float size;
1571
1572                 size = scr_viewsize.value * (1.0 / 100.0);
1573                 size = min(size, 1);
1574
1575                 if (r_stereo_sidebyside.integer)
1576                 {
1577                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1578                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1579                         r_refdef.view.depth = 1;
1580                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1581                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1582                         r_refdef.view.z = 0;
1583                         if (r_stereo_side)
1584                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1585                 }
1586                 else
1587                 {
1588                         r_refdef.view.width = (int)(vid.width * size);
1589                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1590                         r_refdef.view.depth = 1;
1591                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1592                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1593                         r_refdef.view.z = 0;
1594                 }
1595
1596                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1597                 // LordHavoc: this is designed to produce widescreen fov values
1598                 // when the screen is wider than 4/3 width/height aspect, to do
1599                 // this it simply assumes the requested fov is the vertical fov
1600                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1601                 // higher/lower according to the ratio
1602                 r_refdef.view.useperspective = true;
1603                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1604                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1605
1606                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1607                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1608
1609                 if(!CL_VM_UpdateView())
1610                         R_RenderView();
1611
1612                 if (scr_zoomwindow.integer)
1613                 {
1614                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1615                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1616                         r_refdef.view.width = (int)(vid.width * sizex);
1617                         r_refdef.view.height = (int)(vid.height * sizey);
1618                         r_refdef.view.depth = 1;
1619                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1620                         r_refdef.view.y = 0;
1621                         r_refdef.view.z = 0;
1622
1623                         r_refdef.view.useperspective = true;
1624                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1625                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1626
1627                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1628                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1629
1630                         if(!CL_VM_UpdateView())
1631                                 R_RenderView();
1632                 }
1633         }
1634
1635         if (!r_stereo_sidebyside.integer)
1636         {
1637                 r_refdef.view.width = vid.width;
1638                 r_refdef.view.height = vid.height;
1639                 r_refdef.view.depth = 1;
1640                 r_refdef.view.x = 0;
1641                 r_refdef.view.y = 0;
1642                 r_refdef.view.z = 0;
1643                 r_refdef.view.useperspective = false;
1644         }
1645
1646         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1647         {
1648                 const char *t;
1649                 int framenum;
1650                 t = timedemo_screenshotframelist.string;
1651                 while (*t)
1652                 {
1653                         while (*t == ' ')
1654                                 t++;
1655                         if (!*t)
1656                                 break;
1657                         framenum = atof(t);
1658                         if (framenum == cls.td_frames)
1659                                 break;
1660                         while (*t && *t != ' ')
1661                                 t++;
1662                 }
1663                 if (*t)
1664                 {
1665                         // we need to take a screenshot of this frame...
1666                         char filename[MAX_QPATH];
1667                         unsigned char *buffer1;
1668                         unsigned char *buffer2;
1669                         unsigned char *buffer3;
1670                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1671                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1672                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1673                         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
1674                         SCR_ScreenShot(filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, false, false, true);
1675                         Mem_Free(buffer1);
1676                         Mem_Free(buffer2);
1677                         Mem_Free(buffer3);
1678                 }
1679         }
1680
1681         // draw 2D stuff
1682         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1683                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1684                         Con_DrawNotify ();      // only draw notify in game
1685
1686         if (cls.signon == SIGNONS)
1687         {
1688                 SCR_DrawNet ();
1689                 SCR_DrawTurtle ();
1690                 SCR_DrawPause ();
1691                 if (!r_letterbox.value)
1692                         Sbar_Draw();
1693                 Sbar_ShowFPS();
1694                 SHOWLMP_drawall();
1695                 SCR_CheckDrawCenterString();
1696         }
1697         SCR_DrawNetGraph ();
1698         MR_Draw();
1699         CL_DrawVideo();
1700         R_Shadow_EditLights_DrawSelectedLightProperties();
1701
1702         SCR_DrawConsole();
1703
1704         SCR_DrawBrand();
1705
1706         SCR_DrawInfobar();
1707
1708         if (r_timereport_active)
1709                 R_TimeReport("2d");
1710
1711         if (cls.signon == SIGNONS)
1712         {
1713                 R_TimeReport_EndFrame();
1714                 R_TimeReport_BeginFrame();
1715         }
1716
1717         DrawQ_Finish();
1718
1719         R_DrawGamma();
1720
1721         R_Mesh_Finish();
1722 }
1723
1724 typedef struct loadingscreenstack_s
1725 {
1726         struct loadingscreenstack_s *prev;
1727         char msg[MAX_QPATH];
1728         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1729         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1730         float relative_completion; // 0 .. 1
1731 }
1732 loadingscreenstack_t;
1733 static loadingscreenstack_t *loadingscreenstack = NULL;
1734 static double loadingscreentime = -1;
1735 static qboolean loadingscreencleared = false;
1736 static float loadingscreenheight = 0;
1737 rtexture_t *loadingscreentexture = NULL;
1738 static float loadingscreentexture_vertex3f[12];
1739 static float loadingscreentexture_texcoord2f[8];
1740 static int loadingscreenpic_number = 0;
1741
1742 static void SCR_ClearLoadingScreenTexture(void)
1743 {
1744         if(loadingscreentexture)
1745                 R_FreeTexture(loadingscreentexture);
1746         loadingscreentexture = NULL;
1747 }
1748
1749 extern rtexturepool_t *r_main_texturepool;
1750 static void SCR_SetLoadingScreenTexture(void)
1751 {
1752         int w, h;
1753         float loadingscreentexture_w;
1754         float loadingscreentexture_h;
1755
1756         SCR_ClearLoadingScreenTexture();
1757
1758         if (vid.support.arb_texture_non_power_of_two)
1759         {
1760                 w = vid.width; h = vid.height;
1761                 loadingscreentexture_w = loadingscreentexture_h = 1;
1762         }
1763         else
1764         {
1765                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1766                 loadingscreentexture_w = vid.width / (float) w;
1767                 loadingscreentexture_h = vid.height / (float) h;
1768         }
1769
1770         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_FORCENEAREST | TEXF_CLAMP, NULL);
1771         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1772
1773         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1774         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1775         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1776         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1777         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1778         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1779         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1780         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1781         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1782 }
1783
1784 void SCR_UpdateLoadingScreenIfShown(void)
1785 {
1786         if(realtime == loadingscreentime)
1787                 SCR_UpdateLoadingScreen(loadingscreencleared);
1788 }
1789
1790 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1791 {
1792         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1793         s->prev = loadingscreenstack;
1794         loadingscreenstack = s;
1795
1796         strlcpy(s->msg, msg, sizeof(s->msg));
1797         s->relative_completion = 0;
1798
1799         if(s->prev)
1800         {
1801                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1802                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1803                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1804                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1805         }
1806         else
1807         {
1808                 s->absolute_loading_amount_min = 0;
1809                 s->absolute_loading_amount_len = 1;
1810         }
1811
1812         if(redraw)
1813                 SCR_UpdateLoadingScreenIfShown();
1814 }
1815
1816 void SCR_PopLoadingScreen (qboolean redraw)
1817 {
1818         loadingscreenstack_t *s = loadingscreenstack;
1819
1820         if(!s)
1821         {
1822                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1823                 return;
1824         }
1825
1826         loadingscreenstack = s->prev;
1827         if(s->prev)
1828                 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;
1829         Z_Free(s);
1830
1831         if(redraw)
1832                 SCR_UpdateLoadingScreenIfShown();
1833 }
1834
1835 void SCR_ClearLoadingScreen (qboolean redraw)
1836 {
1837         while(loadingscreenstack)
1838                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1839 }
1840
1841 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1842 {
1843         float x;
1844         size_t len;
1845         float total;
1846
1847         total = 0;
1848 #if 0
1849         if(s)
1850         {
1851                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1852                 y -= total;
1853                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1854                 {
1855                         len = strlen(s->msg);
1856                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1857                         y -= size;
1858                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1859                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1860                         total += size;
1861                 }
1862         }
1863 #else
1864         if(s)
1865         {
1866                 len = strlen(s->msg);
1867                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1868                 y -= size;
1869                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1870                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1871                 total += size;
1872         }
1873 #endif
1874         return total;
1875 }
1876
1877 static void SCR_DrawLoadingStack(void)
1878 {
1879         float verts[12];
1880         float colors[16];
1881
1882         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1883         if(loadingscreenstack)
1884         {
1885                 // height = 32; // sorry, using the actual one is ugly
1886                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1887                 GL_DepthRange(0, 1);
1888                 GL_PolygonOffset(0, 0);
1889                 GL_DepthTest(false);
1890                 R_Mesh_ResetTextureState();
1891                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1892                 verts[0] = verts[9] = 0;
1893                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1894                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1895                 verts[7] = verts[10] = vid_conheight.integer;
1896
1897 #if _MSC_VER >= 1400
1898 #define sscanf sscanf_s
1899 #endif
1900                 //                                        ^^^^^^^^^^ blue component
1901                 //                              ^^^^^^ bottom row
1902                 //          ^^^^^^^^^^^^ alpha is always on
1903                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
1904                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
1905                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
1906                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
1907
1908                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
1909                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1910                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1911
1912                 // make sure everything is cleared, including the progress indicator
1913                 if(loadingscreenheight < 8)
1914                         loadingscreenheight = 8;
1915         }
1916 }
1917
1918 static cachepic_t *loadingscreenpic;
1919 static float loadingscreenpic_vertex3f[12];
1920 static float loadingscreenpic_texcoord2f[8];
1921
1922 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
1923 {
1924         r_viewport_t viewport;
1925         float x, y;
1926         // release mouse grab while loading
1927         if (!vid.fullscreen)
1928                 VID_SetMouse(false, false, false);
1929         CHECKGLERROR
1930         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
1931         R_SetViewport(&viewport);
1932         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1933         //qglDepthMask(1);CHECKGLERROR
1934         qglColorMask(1,1,1,1);CHECKGLERROR
1935         qglClearColor(0,0,0,0);CHECKGLERROR
1936         // when starting up a new video mode, make sure the screen is cleared to black
1937         if (clear)
1938                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1939         R_Textures_Frame();
1940         R_Mesh_Start();
1941         R_EntityMatrix(&identitymatrix);
1942         // draw the loading plaque
1943         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
1944         x = (vid_conwidth.integer - loadingscreenpic->width)/2;
1945         y = (vid_conheight.integer - loadingscreenpic->height)/2;
1946         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
1947         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
1948         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
1949         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + loadingscreenpic->width;
1950         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + loadingscreenpic->height;
1951         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
1952         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
1953         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
1954         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
1955 }
1956
1957 static void SCR_DrawLoadingScreen (qboolean clear)
1958 {
1959         // we only need to draw the image if it isn't already there
1960         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1961         GL_DepthRange(0, 1);
1962         GL_PolygonOffset(0, 0);
1963         GL_DepthTest(false);
1964         R_Mesh_ResetTextureState();
1965         GL_Color(1,1,1,1);
1966         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
1967         if(loadingscreentexture)
1968         {
1969                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
1970                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1971         }
1972         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
1973         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1974         SCR_DrawLoadingStack();
1975 }
1976
1977 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
1978 {
1979         R_Mesh_Finish();
1980         // refresh
1981         VID_Finish();
1982         // however this IS necessary on Windows Vista
1983         qglFinish();
1984 }
1985
1986 void SCR_UpdateLoadingScreen (qboolean clear)
1987 {
1988         keydest_t       old_key_dest;
1989         int                     old_key_consoleactive;
1990
1991         // don't do anything if not initialized yet
1992         if (vid_hidden || cls.state == ca_dedicated)
1993                 return;
1994
1995         if(!scr_loadingscreen_background.integer)
1996                 clear = true;
1997
1998         if(loadingscreentime == realtime)
1999                 clear |= loadingscreencleared;
2000
2001         if(loadingscreentime != realtime)
2002                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2003
2004         if(clear)
2005                 SCR_ClearLoadingScreenTexture();
2006         else if(loadingscreentime != realtime)
2007                 SCR_SetLoadingScreenTexture();
2008
2009         if(loadingscreentime != realtime)
2010         {
2011                 loadingscreentime = realtime;
2012                 loadingscreenheight = 0;
2013         }
2014         loadingscreencleared = clear;
2015
2016         SCR_DrawLoadingScreen_SharedSetup(clear);
2017         if (vid.stereobuffer)
2018         {
2019                 qglDrawBuffer(GL_BACK_LEFT);
2020                 SCR_DrawLoadingScreen(clear);
2021                 qglDrawBuffer(GL_BACK_RIGHT);
2022                 SCR_DrawLoadingScreen(clear);
2023         }
2024         else
2025         {
2026                 qglDrawBuffer(GL_BACK);
2027                 SCR_DrawLoadingScreen(clear);
2028         }
2029         SCR_DrawLoadingScreen_SharedFinish(clear);
2030
2031         // this goes into the event loop, and should prevent unresponsive cursor on vista
2032         old_key_dest = key_dest;
2033         old_key_consoleactive = key_consoleactive;
2034         key_dest = key_void;
2035         key_consoleactive = false;
2036         Key_EventQueue_Block(); Sys_SendKeyEvents();
2037         key_dest = old_key_dest;
2038         key_consoleactive = old_key_consoleactive;
2039 }
2040
2041 qboolean R_Stereo_ColorMasking(void)
2042 {
2043         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2044 }
2045
2046 qboolean R_Stereo_Active(void)
2047 {
2048         return (vid.stereobuffer || r_stereo_sidebyside.integer || R_Stereo_ColorMasking());
2049 }
2050
2051 extern cvar_t cl_minfps;
2052 extern cvar_t cl_minfps_fade;
2053 extern cvar_t cl_minfps_qualitymax;
2054 extern cvar_t cl_minfps_qualitymin;
2055 extern cvar_t cl_minfps_qualitypower;
2056 extern cvar_t cl_minfps_qualityscale;
2057 static double cl_updatescreen_rendertime = 0;
2058 static double cl_updatescreen_quality = 1;
2059 extern void Sbar_ShowFPS_Update(void);
2060 void CL_UpdateScreen(void)
2061 {
2062         double rendertime1;
2063         float conwidth, conheight;
2064         float f;
2065
2066         Sbar_ShowFPS_Update();
2067
2068         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2069                 return;                         // not initialized yet
2070
2071         if(gamemode == GAME_NEXUIZ)
2072         {
2073                 // play a bit with the palette (experimental)
2074                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2075                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2076                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2077                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2078                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2079                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2080                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2081                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2082         }
2083
2084         if (vid_hidden)
2085                 return;
2086
2087         rendertime1 = Sys_DoubleTime();
2088
2089         conwidth = bound(160, vid_conwidth.value, 32768);
2090         conheight = bound(90, vid_conheight.value, 24576);
2091         if (vid_conwidth.value != conwidth)
2092                 Cvar_SetValue("vid_conwidth", conwidth);
2093         if (vid_conheight.value != conheight)
2094                 Cvar_SetValue("vid_conheight", conheight);
2095
2096         // bound viewsize
2097         if (scr_viewsize.value < 30)
2098                 Cvar_Set ("viewsize","30");
2099         if (scr_viewsize.value > 120)
2100                 Cvar_Set ("viewsize","120");
2101
2102         // bound field of view
2103         if (scr_fov.value < 1)
2104                 Cvar_Set ("fov","1");
2105         if (scr_fov.value > 170)
2106                 Cvar_Set ("fov","170");
2107
2108         // intermission is always full screen
2109         if (cl.intermission)
2110                 sb_lines = 0;
2111         else
2112         {
2113                 if (scr_viewsize.value >= 120)
2114                         sb_lines = 0;           // no status bar at all
2115                 else if (scr_viewsize.value >= 110)
2116                         sb_lines = 24;          // no inventory
2117                 else
2118                         sb_lines = 24+16+8;
2119         }
2120
2121         r_refdef.view.colormask[0] = 1;
2122         r_refdef.view.colormask[1] = 1;
2123         r_refdef.view.colormask[2] = 1;
2124
2125         SCR_SetUpToDrawConsole();
2126
2127         CHECKGLERROR
2128         qglDrawBuffer(GL_BACK);CHECKGLERROR
2129         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2130         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2131         qglDepthMask(1);CHECKGLERROR
2132         qglColorMask(1,1,1,1);CHECKGLERROR
2133         qglClearColor(0,0,0,0);CHECKGLERROR
2134         R_ClearScreen(false);
2135         r_refdef.view.clear = false;
2136         r_refdef.view.isoverlay = false;
2137         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2138         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2139
2140         if (qglPolygonStipple)
2141         {
2142                 if(scr_stipple.integer)
2143                 {
2144                         GLubyte stipple[128];
2145                         int i, s, width, parts;
2146                         static int frame = 0;
2147                         ++frame;
2148
2149                         s = scr_stipple.integer;
2150                         parts = (s & 007);
2151                         width = (s & 070) >> 3;
2152
2153                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2154                         for(i = 0; i < 128; ++i)
2155                         {
2156                                 int line = i/4;
2157                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2158                         }
2159                         qglPolygonStipple(stipple);CHECKGLERROR
2160                 }
2161                 else
2162                 {
2163                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2164                 }
2165         }
2166
2167         CHECKGLERROR
2168         if (R_Stereo_Active())
2169         {
2170                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2171                 matrix4x4_t offsetmatrix;
2172                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2173                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2174
2175                 if (r_stereo_sidebyside.integer)
2176                         r_stereo_side = 0;
2177
2178                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2179                 {
2180                         r_refdef.view.colormask[0] = 1;
2181                         r_refdef.view.colormask[1] = 0;
2182                         r_refdef.view.colormask[2] = 0;
2183                 }
2184
2185                 if (vid.stereobuffer)
2186                         qglDrawBuffer(GL_BACK_RIGHT);
2187
2188                 SCR_DrawScreen();
2189
2190                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2191                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2192
2193                 if (r_stereo_sidebyside.integer)
2194                         r_stereo_side = 1;
2195
2196                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2197                 {
2198                         r_refdef.view.colormask[0] = 0;
2199                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2200                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2201                 }
2202
2203                 if (vid.stereobuffer)
2204                         qglDrawBuffer(GL_BACK_LEFT);
2205
2206                 SCR_DrawScreen();
2207
2208                 r_refdef.view.matrix = originalmatrix;
2209         }
2210         else
2211                 SCR_DrawScreen();
2212         CHECKGLERROR
2213
2214         SCR_CaptureVideo();
2215
2216         // quality adjustment according to render time
2217         CHECKGLERROR
2218         qglFlush(); // FIXME: should we really be using qglFlush here?
2219         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2220         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2221                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2222         else
2223                 cl_updatescreen_quality = 1;
2224
2225         if (!vid_activewindow)
2226                 VID_SetMouse(false, false, false);
2227         else if (key_consoleactive)
2228                 VID_SetMouse(vid.fullscreen, false, false);
2229         else if (key_dest == key_menu_grabbed)
2230                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2231         else if (key_dest == key_menu)
2232                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2233         else
2234                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2235
2236         VID_Finish();
2237 }
2238
2239 void CL_Screen_NewMap(void)
2240 {
2241 }