cl_screen.c

   1
   2 #include "quakedef.h"
   3 #include "cl_video.h"
   4 #include "image.h"
   5 #include "jpeg.h"
   6 #include "cl_collision.h"
   7 #include "libcurl.h"
   8 #include "csprogs.h"
   9 #include "cap_avi.h"
  10 #include "cap_ogg.h"
  11
  12 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
  13 #include "snd_main.h"
  14
  15 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
  16 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
  17 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background"};
  18 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
  19 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
  20 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
  21 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
  22 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
  23 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
  24 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
  25 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
  26 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
  27 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
  28 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
  29 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)"};
  30 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
  31 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
  32 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
  33 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
  34 // scr_screenshot_name is defined in fs.c
  35 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)"};
  36 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)"};
  37 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
  38 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
  39 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"};
  40 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)"};
  41 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
  42 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
  43 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
  44 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)"};
  45 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)"};
  46 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)"};
  47 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)"};
  48 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)"};
  49 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"};
  50 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  51 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)"};
  52 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
  53 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
  54 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
  55 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
  56 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
  57 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  58 cvar_t scr_screenshot_name_use_mapname = {CVAR_SAVE, "scr_screenshot_name_use_mapname", "0", "allows you to include the map name into file names of screenshots, this is useful for creating portfolios or logical image directories; if set to 1, it is used as suffix to scr_screenshot_name, if set to 2, as a prefix instead"};
  59 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)"};
  60 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)"};
  61
  62 extern cvar_t r_glsl;
  63 extern cvar_t v_glslgamma;
  64 extern cvar_t sbar_info_pos;
  65 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && !(r_glsl.integer && v_glslgamma.integer))
  66
  67 int jpeg_supported = false;
  68
  69 qboolean        scr_initialized;                // ready to draw
  70
  71 float           scr_con_current;
  72 int                     scr_con_margin_bottom;
  73
  74 extern int      con_vislines;
  75
  76 static void SCR_ScreenShot_f (void);
  77 static void R_Envmap_f (void);
  78
  79 // backend
  80 void R_ClearScreen(qboolean fogcolor);
  81
  82 /*
  83 ===============================================================================
  84
  85 CENTER PRINTING
  86
  87 ===============================================================================
  88 */
  89
  90 char            scr_centerstring[MAX_INPUTLINE];
  91 float           scr_centertime_start;   // for slow victory printing
  92 float           scr_centertime_off;
  93 int                     scr_center_lines;
  94 int                     scr_erase_lines;
  95 int                     scr_erase_center;
  96 char        scr_infobarstring[MAX_INPUTLINE];
  97 float       scr_infobartime_off;
  98
  99 /*
 100 ==============
 101 SCR_CenterPrint
 102
 103 Called for important messages that should stay in the center of the screen
 104 for a few moments
 105 ==============
 106 */
 107 void SCR_CenterPrint(const char *str)
 108 {
 109         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
 110         scr_centertime_off = scr_centertime.value;
 111         scr_centertime_start = cl.time;
 112
 113 // count the number of lines for centering
 114         scr_center_lines = 1;
 115         while (*str)
 116         {
 117                 if (*str == '\n')
 118                         scr_center_lines++;
 119                 str++;
 120         }
 121 }
 122
 123
 124 void SCR_DrawCenterString (void)
 125 {
 126         char    *start;
 127         int             x, y;
 128         int             remaining;
 129         int             color;
 130
 131         if(cl.intermission == 2) // in finale,
 132                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 133                         return;
 134
 135         if(scr_centertime.value <= 0 && !cl.intermission)
 136                 return;
 137
 138 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 139         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 140                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 141         else
 142                 remaining = 9999;
 143
 144         scr_erase_center = 0;
 145         start = scr_centerstring;
 146
 147         if (remaining < 1)
 148                 return;
 149
 150         if (scr_center_lines <= 4)
 151                 y = (int)(vid_conheight.integer*0.35);
 152         else
 153                 y = 48;
 154
 155         color = -1;
 156         do
 157         {
 158                 // scan the number of characters on the line, not counting color codes
 159                 char *newline = strchr(start, '\n');
 160                 int l = newline ? (newline - start) : (int)strlen(start);
 161                 float width = DrawQ_TextWidth_Font(start, l, false, FONT_CENTERPRINT) * 8;
 162
 163                 x = (int) (vid_conwidth.integer - width)/2;
 164                 if (l > 0)
 165                 {
 166                         if (remaining < l)
 167                                 l = remaining;
 168                         DrawQ_String_Font(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 169                         remaining -= l;
 170                         if (remaining <= 0)
 171                                 return;
 172                 }
 173                 y += 8;
 174
 175                 if (!newline)
 176                         break;
 177                 start = newline + 1; // skip the \n
 178         } while (1);
 179 }
 180
 181 void SCR_CheckDrawCenterString (void)
 182 {
 183         if (scr_center_lines > scr_erase_lines)
 184                 scr_erase_lines = scr_center_lines;
 185
 186         if (cl.time > cl.oldtime)
 187                 scr_centertime_off -= cl.time - cl.oldtime;
 188
 189         // don't draw if this is a normal stats-screen intermission,
 190         // only if it is not an intermission, or a finale intermission
 191         if (cl.intermission == 1)
 192                 return;
 193         if (scr_centertime_off <= 0 && !cl.intermission)
 194                 return;
 195         if (key_dest != key_game)
 196                 return;
 197
 198         SCR_DrawCenterString ();
 199 }
 200
 201 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int barwidth, int barheight, int bardivide, const char *label, float textsize, int packetcounter, int numparameters, const int **parameters, const float parametercolors[][4])
 202 {
 203         int j, k, x, y, index, offset, height;
 204         // draw the bar graph itself
 205         // advance the packet counter because it is the latest packet column being
 206         // built up and should come last
 207         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 208         for (j = 0;j < NETGRAPH_PACKETS;j++)
 209         {
 210                 x = graphx + j * barwidth;
 211                 y = graphy + barheight;
 212                 index = (packetcounter + j) % NETGRAPH_PACKETS;
 213                 if (parameters[0][index] == NETGRAPH_LOSTPACKET)
 214                         DrawQ_Fill(x, y - barheight, barwidth, barheight, 1, 0, 0, 1, 0);
 215                 else if (parameters[0][index] == NETGRAPH_CHOKEDPACKET)
 216                         DrawQ_Fill(x, y - min(2, barheight), barwidth, min(2, barheight), 1, 1, 0, 1, 0);
 217                 else
 218                 {
 219                         offset = 0;
 220                         for (k = 0;k < numparameters;k++)
 221                         {
 222                                 height = (parameters[k][index] + bardivide - 1) / bardivide;
 223                                 height = min(height, barheight - offset);
 224                                 offset += height;
 225                                 if (height)
 226                                         DrawQ_Fill(x, y - offset, barwidth, height, parametercolors[k][0], parametercolors[k][1], parametercolors[k][2], parametercolors[k][3], 0);
 227                         }
 228                 }
 229         }
 230 }
 231
 232 const float netgraphcolors[3][4] =
 233 {
 234         {1  , 0.5, 0  , 1},
 235         {1  , 1  , 1  , 1},
 236         {0  , 1  , 0  , 1},
 237 };
 238
 239 void SCR_DrawNetGraph_DrawConnection_Client (netconn_t *conn, int graphx, int graphy, int barwidth, int barheight, int bardivide, const char *labelincoming, int separator, const char *labeloutgoing, float textsize)
 240 {
 241         int numparameters;
 242         const int *parameters[3];
 243         // dim background
 244         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 245         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 246         // draw the bar graphs
 247         numparameters = 3;
 248         parameters[0] = conn->incoming_unreliablesize;
 249         parameters[1] = conn->incoming_reliablesize;
 250         parameters[2] = conn->incoming_acksize;
 251         SCR_DrawNetGraph_DrawGraph(graphx, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 252         parameters[0] = conn->outgoing_unreliablesize;
 253         parameters[1] = conn->outgoing_reliablesize;
 254         parameters[2] = conn->outgoing_acksize;
 255         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 256         // draw labels
 257         DrawQ_String(graphx                                          , graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 258         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 259 }
 260
 261 void SCR_DrawNetGraph_DrawConnection_Server (netconn_t *conn, int graphx, int graphy, int barwidth, int barheight, int bardivide, const char *labeloutgoing, int separator, const char *labelincoming, float textsize)
 262 {
 263         int numparameters;
 264         const int *parameters[3];
 265         // dim background
 266         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 267         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 268         // draw the bar graphs
 269         numparameters = 3;
 270         parameters[0] = conn->outgoing_unreliablesize;
 271         parameters[1] = conn->outgoing_reliablesize;
 272         parameters[2] = conn->outgoing_acksize;
 273         SCR_DrawNetGraph_DrawGraph(graphx                                          , graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 274         parameters[0] = conn->incoming_unreliablesize;
 275         parameters[1] = conn->incoming_reliablesize;
 276         parameters[2] = conn->incoming_acksize;
 277         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 278         // draw labels
 279         DrawQ_String(graphx                                          , graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 280         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 281 }
 282
 283 /*
 284 ==============
 285 SCR_DrawNetGraph
 286 ==============
 287 */
 288 void SCR_DrawNetGraph (void)
 289 {
 290         int i, separator1, separator2, barwidth, barheight, bardivide, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 291
 292         if (cls.state != ca_connected)
 293                 return;
 294         if (!cls.netcon)
 295                 return;
 296         if (!shownetgraph.integer)
 297                 return;
 298
 299         separator1 = 2;
 300         separator2 = 4;
 301         textsize = 8;
 302         barwidth = 1;
 303         barheight = 50;
 304         bardivide = 20;
 305
 306         netgraphsperrow = (vid_conwidth.integer + separator2) / (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 307         netgraphsperrow = max(netgraphsperrow, 1);
 308
 309         index = 0;
 310         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 311         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 312         SCR_DrawNetGraph_DrawConnection_Client(cls.netcon, netgraph_x, netgraph_y, barwidth, barheight, bardivide, "incoming", separator1, "outgoing", textsize);
 313         index++;
 314
 315         if (sv.active && shownetgraph.integer >= 2)
 316         {
 317                 for (i = 0;i < svs.maxclients;i++)
 318                 {
 319                         if (!svs.clients[i].netconnection)
 320                                 continue;
 321                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 322                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 323                         SCR_DrawNetGraph_DrawConnection_Server(svs.clients[i].netconnection, netgraph_x, netgraph_y, barwidth, barheight, bardivide, va("%s", svs.clients[i].name), separator1, "", textsize);
 324                         index++;
 325                 }
 326         }
 327 }
 328
 329 /*
 330 ==============
 331 SCR_DrawTurtle
 332 ==============
 333 */
 334 void SCR_DrawTurtle (void)
 335 {
 336         static int      count;
 337
 338         if (cls.state != ca_connected)
 339                 return;
 340
 341         if (!scr_showturtle.integer)
 342                 return;
 343
 344         if (cl.realframetime < 0.1)
 345         {
 346                 count = 0;
 347                 return;
 348         }
 349
 350         count++;
 351         if (count < 3)
 352                 return;
 353
 354         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
 355 }
 356
 357 /*
 358 ==============
 359 SCR_DrawNet
 360 ==============
 361 */
 362 void SCR_DrawNet (void)
 363 {
 364         if (cls.state != ca_connected)
 365                 return;
 366         if (realtime - cl.last_received_message < 0.3)
 367                 return;
 368         if (cls.demoplayback)
 369                 return;
 370
 371         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
 372 }
 373
 374 /*
 375 ==============
 376 DrawPause
 377 ==============
 378 */
 379 void SCR_DrawPause (void)
 380 {
 381         cachepic_t      *pic;
 382
 383         if (cls.state != ca_connected)
 384                 return;
 385
 386         if (!scr_showpause.integer)             // turn off for screenshots
 387                 return;
 388
 389         if (!cl.paused)
 390                 return;
 391
 392         pic = Draw_CachePic ("gfx/pause");
 393         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 394 }
 395
 396 /*
 397 ==============
 398 SCR_DrawBrand
 399 ==============
 400 */
 401 void SCR_DrawBrand (void)
 402 {
 403         cachepic_t      *pic;
 404         float           x, y;
 405
 406         if (!scr_showbrand.value)
 407                 return;
 408
 409         pic = Draw_CachePic ("gfx/brand");
 410
 411         switch ((int)scr_showbrand.value)
 412         {
 413         case 1: // bottom left
 414                 x = 0;
 415                 y = vid_conheight.integer - pic->height;
 416                 break;
 417         case 2: // bottom centre
 418                 x = (vid_conwidth.integer - pic->width) / 2;
 419                 y = vid_conheight.integer - pic->height;
 420                 break;
 421         case 3: // bottom right
 422                 x = vid_conwidth.integer - pic->width;
 423                 y = vid_conheight.integer - pic->height;
 424                 break;
 425         case 4: // centre right
 426                 x = vid_conwidth.integer - pic->width;
 427                 y = (vid_conheight.integer - pic->height) / 2;
 428                 break;
 429         case 5: // top right
 430                 x = vid_conwidth.integer - pic->width;
 431                 y = 0;
 432                 break;
 433         case 6: // top centre
 434                 x = (vid_conwidth.integer - pic->width) / 2;
 435                 y = 0;
 436                 break;
 437         case 7: // top left
 438                 x = 0;
 439                 y = 0;
 440                 break;
 441         case 8: // centre left
 442                 x = 0;
 443                 y = (vid_conheight.integer - pic->height) / 2;
 444                 break;
 445         default:
 446                 return;
 447         }
 448
 449         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 450 }
 451
 452 /*
 453 ==============
 454 SCR_DrawQWDownload
 455 ==============
 456 */
 457 static int SCR_DrawQWDownload(int offset)
 458 {
 459         // sync with SCR_InfobarHeight
 460         int len;
 461         float x, y;
 462         float size = 8;
 463         char temp[256];
 464
 465         if (!cls.qw_downloadname[0])
 466         {
 467                 cls.qw_downloadspeedrate = 0;
 468                 cls.qw_downloadspeedtime = realtime;
 469                 cls.qw_downloadspeedcount = 0;
 470                 return 0;
 471         }
 472         if (realtime >= cls.qw_downloadspeedtime + 1)
 473         {
 474                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 475                 cls.qw_downloadspeedtime = realtime;
 476                 cls.qw_downloadspeedcount = 0;
 477         }
 478         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 479                 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);
 480         else
 481                 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);
 482         len = (int)strlen(temp);
 483         x = (vid_conwidth.integer - DrawQ_TextWidth_Font(temp, len, true, FONT_INFOBAR) * size) / 2;
 484         y = vid_conheight.integer - size - offset;
 485         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 486         DrawQ_String_Font(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 487         return 8;
 488 }
 489 /*
 490 ==============
 491 SCR_DrawInfobarString
 492 ==============
 493 */
 494 static int SCR_DrawInfobarString(int offset)
 495 {
 496         int len;
 497         float x, y;
 498         float size = 8;
 499
 500         len = (int)strlen(scr_infobarstring);
 501         x = (vid_conwidth.integer - DrawQ_TextWidth_Font(scr_infobarstring, len, false, FONT_INFOBAR) * size) / 2;
 502         y = vid_conheight.integer - size - offset;
 503         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 504         DrawQ_String_Font(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
 505         return 8;
 506 }
 507
 508 /*
 509 ==============
 510 SCR_DrawCurlDownload
 511 ==============
 512 */
 513 static int SCR_DrawCurlDownload(int offset)
 514 {
 515         // sync with SCR_InfobarHeight
 516         int len;
 517         int nDownloads;
 518         int i;
 519         float x, y;
 520         float size = 8;
 521         Curl_downloadinfo_t *downinfo;
 522         char temp[256];
 523         const char *addinfo;
 524
 525         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 526         if(!downinfo)
 527                 return 0;
 528
 529         y = vid_conheight.integer - size * nDownloads - offset;
 530
 531         if(addinfo)
 532         {
 533                 len = (int)strlen(addinfo);
 534                 x = (vid_conwidth.integer - DrawQ_TextWidth_Font(addinfo, len, true, FONT_INFOBAR) * size) / 2;
 535                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 536                 DrawQ_String_Font(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 537         }
 538
 539         for(i = 0; i != nDownloads; ++i)
 540         {
 541                 if(downinfo[i].queued)
 542                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
 543                 else if(downinfo[i].progress <= 0)
 544                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
 545                 else
 546                         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);
 547                 len = (int)strlen(temp);
 548                 x = (vid_conwidth.integer - DrawQ_TextWidth_Font(temp, len, true, FONT_INFOBAR) * size) / 2;
 549                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 550                 DrawQ_String_Font(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 551         }
 552
 553         Z_Free(downinfo);
 554
 555         return 8 * (nDownloads + (addinfo ? 1 : 0));
 556 }
 557
 558 /*
 559 ==============
 560 SCR_DrawInfobar
 561 ==============
 562 */
 563 static void SCR_DrawInfobar(void)
 564 {
 565         int offset = 0;
 566         if(scr_infobartime_off > 0)
 567                 offset += SCR_DrawInfobarString(offset);
 568         offset += SCR_DrawQWDownload(offset);
 569         offset += SCR_DrawCurlDownload(offset);
 570         if(offset != scr_con_margin_bottom)
 571                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 572 }
 573
 574 static int SCR_InfobarHeight(void)
 575 {
 576         int offset = 0;
 577         Curl_downloadinfo_t *downinfo;
 578         const char *addinfo;
 579         int nDownloads;
 580
 581         if (cl.time > cl.oldtime)
 582                 scr_infobartime_off -= cl.time - cl.oldtime;
 583         if(scr_infobartime_off > 0)
 584                 offset += 8;
 585
 586         if(cls.qw_downloadname[0])
 587                 offset += 8;
 588
 589         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 590         if(downinfo)
 591         {
 592                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
 593                 Z_Free(downinfo);
 594         }
 595
 596         return offset;
 597 }
 598
 599 /*
 600 ==============
 601 SCR_InfoBar_f
 602 ==============
 603 */
 604 void SCR_InfoBar_f(void)
 605 {
 606         if(Cmd_Argc() == 3)
 607         {
 608                 scr_infobartime_off = atof(Cmd_Argv(1));
 609                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
 610         }
 611         else
 612         {
 613                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
 614         }
 615 }
 616 //=============================================================================
 617
 618 /*
 619 ==================
 620 SCR_SetUpToDrawConsole
 621 ==================
 622 */
 623 void SCR_SetUpToDrawConsole (void)
 624 {
 625         // lines of console to display
 626         float conlines;
 627         static int framecounter = 0;
 628
 629         Con_CheckResize ();
 630
 631         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 632         {
 633                 if (framecounter >= 2)
 634                         MR_ToggleMenu_f();
 635                 else
 636                         framecounter++;
 637         }
 638         else
 639                 framecounter = 0;
 640
 641         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 642                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 643         else
 644                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 645
 646 // decide on the height of the console
 647         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 648                 conlines = vid_conheight.integer/2;     // half screen
 649         else
 650                 conlines = 0;                           // none visible
 651
 652         scr_con_current = conlines;
 653 }
 654
 655 /*
 656 ==================
 657 SCR_DrawConsole
 658 ==================
 659 */
 660 void SCR_DrawConsole (void)
 661 {
 662         scr_con_margin_bottom = SCR_InfobarHeight();
 663         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 664         {
 665                 // full screen
 666                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 667         }
 668         else if (scr_con_current)
 669                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 670         else
 671                 con_vislines = 0;
 672 }
 673
 674 /*
 675 ===============
 676 SCR_BeginLoadingPlaque
 677
 678 ================
 679 */
 680 void SCR_BeginLoadingPlaque (void)
 681 {
 682         // save console log up to this point to log_file if it was set by configs
 683         Log_Start();
 684
 685         Host_StartVideo();
 686         SCR_UpdateLoadingScreen(false);
 687 }
 688
 689 //=============================================================================
 690
 691 char r_speeds_timestring[4096];
 692 int speedstringcount, r_timereport_active;
 693 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 694 int r_speeds_longestitem = 0;
 695
 696 void R_TimeReport(char *desc)
 697 {
 698         char tempbuf[256];
 699         int length;
 700         int t;
 701
 702         if (r_speeds.integer < 2 || !r_timereport_active)
 703                 return;
 704
 705         CHECKGLERROR
 706         if (r_speeds.integer == 2)
 707                 qglFinish();
 708         CHECKGLERROR
 709         r_timereport_temp = r_timereport_current;
 710         r_timereport_current = Sys_DoubleTime();
 711         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 712
 713         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
 714         length = min(length, (int)sizeof(tempbuf) - 1);
 715         if (r_speeds_longestitem < length)
 716                 r_speeds_longestitem = length;
 717         for (;length < r_speeds_longestitem;length++)
 718                 tempbuf[length] = ' ';
 719         tempbuf[length] = 0;
 720
 721         if (speedstringcount + length > (vid_conwidth.integer / 8))
 722         {
 723                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
 724                 speedstringcount = 0;
 725         }
 726         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
 727         speedstringcount += length;
 728 }
 729
 730 void R_TimeReport_BeginFrame(void)
 731 {
 732         speedstringcount = 0;
 733         r_speeds_timestring[0] = 0;
 734         r_timereport_active = false;
 735         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 736
 737         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
 738         {
 739                 r_timereport_active = true;
 740                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
 741         }
 742 }
 743
 744 void R_TimeReport_EndFrame(void)
 745 {
 746         int i, j, lines, y;
 747         cl_locnode_t *loc;
 748         char string[1024+4096];
 749         mleaf_t *viewleaf;
 750
 751         string[0] = 0;
 752         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 753         {
 754                 // put the location name in the r_speeds display as it greatly helps
 755                 // when creating loc files
 756                 loc = CL_Locs_FindNearest(cl.movement_origin);
 757                 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;
 758                 dpsnprintf(string, sizeof(string),
 759 "%s%s\n"
 760 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
 761 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
 762 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
 763 "%7i lightmap updates (%7i pixels)%s\n"
 764 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
 765 "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n"
 766 "%s"
 767 , loc ? "Location: " : "", loc ? loc->name : ""
 768 , 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]
 769 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
 770 , r_refdef.stats.world_leafs, r_refdef.stats.world_portals, r_refdef.stats.particles, cl.num_particles, r_refdef.stats.decals, cl.num_decals, (int)(100 * r_refdef.view.quality)
 771 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels, viewleaf ? va(" clusterindex%6i", viewleaf->clusterindex) : ""
 772 , 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
 773 , r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
 774 , r_speeds_timestring);
 775
 776                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 777
 778                 speedstringcount = 0;
 779                 r_speeds_timestring[0] = 0;
 780                 r_timereport_active = false;
 781
 782                 if (r_speeds.integer >= 2)
 783                 {
 784                         r_timereport_active = true;
 785                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 786                 }
 787         }
 788
 789         if (string[0])
 790         {
 791                 if (string[strlen(string)-1] == '\n')
 792                         string[strlen(string)-1] = 0;
 793                 lines = 1;
 794                 for (i = 0;string[i];i++)
 795                         if (string[i] == '\n')
 796                                 lines++;
 797                 y = vid_conheight.integer - sb_lines - lines * 8;
 798                 i = j = 0;
 799                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 800                 while (string[i])
 801                 {
 802                         j = i;
 803                         while (string[i] && string[i] != '\n')
 804                                 i++;
 805                         if (i - j > 0)
 806                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true);
 807                         if (string[i] == '\n')
 808                                 i++;
 809                         y += 8;
 810                 }
 811         }
 812 }
 813
 814 /*
 815 =================
 816 SCR_SizeUp_f
 817
 818 Keybinding command
 819 =================
 820 */
 821 void SCR_SizeUp_f (void)
 822 {
 823         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 824 }
 825
 826
 827 /*
 828 =================
 829 SCR_SizeDown_f
 830
 831 Keybinding command
 832 =================
 833 */
 834 void SCR_SizeDown_f (void)
 835 {
 836         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 837 }
 838
 839 void SCR_CaptureVideo_EndVideo(void);
 840 void CL_Screen_Shutdown(void)
 841 {
 842         SCR_CaptureVideo_EndVideo();
 843 }
 844
 845 void CL_Screen_Init(void)
 846 {
 847         Cvar_RegisterVariable (&scr_fov);
 848         Cvar_RegisterVariable (&scr_viewsize);
 849         Cvar_RegisterVariable (&scr_conalpha);
 850         Cvar_RegisterVariable (&scr_conbrightness);
 851         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 852         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 853         Cvar_RegisterVariable (&scr_showram);
 854         Cvar_RegisterVariable (&scr_showturtle);
 855         Cvar_RegisterVariable (&scr_showpause);
 856         Cvar_RegisterVariable (&scr_showbrand);
 857         Cvar_RegisterVariable (&scr_centertime);
 858         Cvar_RegisterVariable (&scr_printspeed);
 859         Cvar_RegisterVariable (&vid_conwidth);
 860         Cvar_RegisterVariable (&vid_conheight);
 861         Cvar_RegisterVariable (&vid_pixelheight);
 862         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 863         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 864         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 865         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
 866         Cvar_RegisterVariable (&scr_screenshot_name_use_mapname);
 867         Cvar_RegisterVariable (&cl_capturevideo);
 868         Cvar_RegisterVariable (&cl_capturevideo_printfps);
 869         Cvar_RegisterVariable (&cl_capturevideo_width);
 870         Cvar_RegisterVariable (&cl_capturevideo_height);
 871         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 872         Cvar_RegisterVariable (&cl_capturevideo_fps);
 873         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
 874         Cvar_RegisterVariable (&cl_capturevideo_number);
 875         Cvar_RegisterVariable (&cl_capturevideo_ogg);
 876         Cvar_RegisterVariable (&cl_capturevideo_framestep);
 877         Cvar_RegisterVariable (&r_letterbox);
 878         Cvar_RegisterVariable(&r_stereo_separation);
 879         Cvar_RegisterVariable(&r_stereo_sidebyside);
 880         Cvar_RegisterVariable(&r_stereo_redblue);
 881         Cvar_RegisterVariable(&r_stereo_redcyan);
 882         Cvar_RegisterVariable(&r_stereo_redgreen);
 883         Cvar_RegisterVariable(&r_stereo_angle);
 884         Cvar_RegisterVariable(&scr_zoomwindow);
 885         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 886         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 887         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 888         Cvar_RegisterVariable(&scr_stipple);
 889         Cvar_RegisterVariable(&scr_refresh);
 890         Cvar_RegisterVariable(&shownetgraph);
 891         Cvar_RegisterVariable(&cl_demo_mousegrab);
 892
 893         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 894         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 895         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 896         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 897         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
 898
 899         SCR_CaptureVideo_Ogg_Init();
 900
 901         scr_initialized = true;
 902 }
 903
 904 /*
 905 ==================
 906 SCR_ScreenShot_f
 907 ==================
 908 */
 909 void SCR_ScreenShot_f (void)
 910 {
 911         static int shotnumber;
 912         static char old_prefix_name[MAX_QPATH];
 913         char prefix_name[MAX_QPATH];
 914         char filename[MAX_QPATH];
 915         char mapname[MAX_QPATH];
 916         unsigned char *buffer1;
 917         unsigned char *buffer2;
 918         unsigned char *buffer3;
 919         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 920
 921         // TODO maybe make capturevideo and screenshot use similar name patterns?
 922         if (scr_screenshot_name_use_mapname.integer && cl.worldmodel) {
 923                 // figure out the map's filename without path or extension
 924                 strlcpy(mapname, FS_FileWithoutPath(cl.worldmodel->name), sizeof(mapname));
 925                 if (strrchr(mapname, '.'))
 926                         *(strrchr(mapname, '.')) = 0;
 927                 if(scr_screenshot_name_use_mapname.integer >= 2)
 928                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s%s", mapname, Sys_TimeString(scr_screenshot_name.string));
 929                 else
 930                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s%s", Sys_TimeString(scr_screenshot_name.string), mapname);
 931         } else {
 932                 dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
 933         }
 934
 935         if (strcmp(old_prefix_name, prefix_name))
 936         {
 937                 dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
 938                 shotnumber = 0;
 939         }
 940
 941         // find a file name to save it to
 942         for (;shotnumber < 1000000;shotnumber++)
 943                 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)))
 944                         break;
 945         if (shotnumber >= 1000000)
 946         {
 947                 Con_Print("Couldn't create the image file\n");
 948                 return;
 949         }
 950
 951         dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : "tga");
 952
 953         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 954         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 955         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
 956
 957         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
 958                 Con_Printf("Wrote %s\n", filename);
 959         else
 960                 Con_Printf("Unable to write %s\n", filename);
 961
 962         Mem_Free (buffer1);
 963         Mem_Free (buffer2);
 964         Mem_Free (buffer3);
 965
 966         shotnumber++;
 967 }
 968
 969 void SCR_CaptureVideo_BeginVideo(void)
 970 {
 971         double r, g, b;
 972         unsigned int i;
 973         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
 974         if (cls.capturevideo.active)
 975                 return;
 976         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
 977         // soundrate is figured out on the first SoundFrame
 978
 979         if(width == 0 && height != 0)
 980                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
 981         if(width != 0 && height == 0)
 982                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
 983
 984         if(width < 2 || width > vid.width) // can't scale up
 985                 width = vid.width;
 986         if(height < 2 || height > vid.height) // can't scale up
 987                 height = vid.height;
 988
 989         // ensure it's all even; if not, scale down a little
 990         if(width % 1)
 991                 --width;
 992         if(height % 1)
 993                 --height;
 994
 995         cls.capturevideo.width = width;
 996         cls.capturevideo.height = height;
 997         cls.capturevideo.active = true;
 998         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
 999         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1000         cls.capturevideo.soundrate = S_GetSoundRate();
1001         cls.capturevideo.soundchannels = S_GetSoundChannels();
1002         cls.capturevideo.startrealtime = realtime;
1003         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1004         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1005         cls.capturevideo.soundsampleframe = 0;
1006         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1007         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1008         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1009         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1010         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1011
1012         /*
1013         for (i = 0;i < 256;i++)
1014         {
1015                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1016                 cls.capturevideo.rgbgammatable[0][i] = j;
1017                 cls.capturevideo.rgbgammatable[1][i] = j;
1018                 cls.capturevideo.rgbgammatable[2][i] = j;
1019         }
1020         */
1021 /*
1022 R = Y + 1.4075 * (Cr - 128);
1023 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1024 B = Y + 1.7790 * (Cb - 128);
1025 Y = R *  .299 + G *  .587 + B *  .114;
1026 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1027 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1028 */
1029
1030         if(WANT_SCREENSHOT_HWGAMMA)
1031         {
1032                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1033         }
1034         else
1035         {
1036                 // identity gamma table
1037                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1038                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1039                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1040         }
1041         if(scr_screenshot_gammaboost.value != 1)
1042         {
1043                 double igamma = 1 / scr_screenshot_gammaboost.value;
1044                 for (i = 0;i < 256 * 3;i++)
1045                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1046         }
1047
1048         for (i = 0;i < 256;i++)
1049         {
1050                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1051                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1052                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1053                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1054                 // Y weights from RGB
1055                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1056                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1057                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1058                 // Cb weights from RGB
1059                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1060                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1061                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1062                 // Cr weights from RGB
1063                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1064                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1065                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1066                 // range reduction of YCbCr to valid signal range
1067                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1068                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1069                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1070         }
1071
1072         if (cl_capturevideo_ogg.integer)
1073         {
1074                 if(SCR_CaptureVideo_Ogg_Available())
1075                 {
1076                         SCR_CaptureVideo_Ogg_BeginVideo();
1077                         return;
1078                 }
1079                 else
1080                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1081         }
1082
1083         SCR_CaptureVideo_Avi_BeginVideo();
1084 }
1085
1086 void SCR_CaptureVideo_EndVideo(void)
1087 {
1088         if (!cls.capturevideo.active)
1089                 return;
1090         cls.capturevideo.active = false;
1091
1092         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);
1093
1094         if (cls.capturevideo.videofile)
1095         {
1096                 cls.capturevideo.endvideo();
1097         }
1098
1099         if (cls.capturevideo.screenbuffer)
1100         {
1101                 Mem_Free (cls.capturevideo.screenbuffer);
1102                 cls.capturevideo.screenbuffer = NULL;
1103         }
1104
1105         if (cls.capturevideo.outbuffer)
1106         {
1107                 Mem_Free (cls.capturevideo.outbuffer);
1108                 cls.capturevideo.outbuffer = NULL;
1109         }
1110
1111         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1112 }
1113
1114 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1115 {
1116         // TODO optimize this function
1117
1118         int x, y;
1119         float area;
1120
1121         // memcpy is faster than me
1122         if(inw == outw && inh == outh)
1123         {
1124                 memcpy(out, in, 4 * inw * inh);
1125                 return;
1126         }
1127
1128         // otherwise: a box filter
1129         area = (float)outw * (float)outh / (float)inw / (float)inh;
1130         for(y = 0; y < outh; ++y)
1131         {
1132                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1133                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1134                 for(x = 0; x < outw; ++x)
1135                 {
1136                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1137                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1138                         float r = 0, g = 0, b = 0, alpha = 0;
1139                         int xx, yy;
1140
1141                         for(yy = iny0_i; yy < iny1_i; ++yy)
1142                         {
1143                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1144                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1145                                 {
1146                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1147                                         r += a * in[4*(xx + inw * yy)+0];
1148                                         g += a * in[4*(xx + inw * yy)+1];
1149                                         b += a * in[4*(xx + inw * yy)+2];
1150                                         alpha += a * in[4*(xx + inw * yy)+3];
1151                                 }
1152                         }
1153
1154                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1155                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1156                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1157                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1158                 }
1159         }
1160 }
1161
1162 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1163 {
1164         int x = 0, y = 0;
1165         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1166
1167         if(newframestepframenum == cls.capturevideo.framestepframe)
1168                 return;
1169
1170         CHECKGLERROR
1171         //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);
1172         // speed is critical here, so do saving as directly as possible
1173
1174         qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1175         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1176
1177         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1178         cls.capturevideo.framestepframe = newframestepframenum;
1179
1180         if(cl_capturevideo_printfps.integer)
1181         {
1182                 char buf[80];
1183                 double t = Sys_DoubleTime();
1184                 if(t > cls.capturevideo.lastfpstime + 1)
1185                 {
1186                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1187                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1188                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1189                         Sys_PrintToTerminal(buf);
1190                         cls.capturevideo.lastfpstime = t;
1191                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1192                 }
1193         }
1194 }
1195
1196 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1197 {
1198         cls.capturevideo.soundsampleframe += length;
1199         cls.capturevideo.soundframe(paintbuffer, length);
1200 }
1201
1202 void SCR_CaptureVideo(void)
1203 {
1204         int newframenum;
1205         if (cl_capturevideo.integer && r_render.integer)
1206         {
1207                 if (!cls.capturevideo.active)
1208                         SCR_CaptureVideo_BeginVideo();
1209                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1210                 {
1211                         Con_Printf("You can not change the video framerate while recording a video.\n");
1212                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1213                 }
1214                 // for AVI saving we have to make sure that sound is saved before video
1215                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1216                         return;
1217                 if (cls.capturevideo.realtime)
1218                 {
1219                         // preserve sound sync by duplicating frames when running slow
1220                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1221                 }
1222                 else
1223                         newframenum = cls.capturevideo.frame + 1;
1224                 // if falling behind more than one second, stop
1225                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1226                 {
1227                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1228                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1229                         SCR_CaptureVideo_EndVideo();
1230                         return;
1231                 }
1232                 // write frames
1233                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1234                 cls.capturevideo.frame = newframenum;
1235                 if (cls.capturevideo.error)
1236                 {
1237                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1238                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1239                         SCR_CaptureVideo_EndVideo();
1240                 }
1241         }
1242         else if (cls.capturevideo.active)
1243                 SCR_CaptureVideo_EndVideo();
1244 }
1245
1246 /*
1247 ===============
1248 R_Envmap_f
1249
1250 Grab six views for environment mapping tests
1251 ===============
1252 */
1253 struct envmapinfo_s
1254 {
1255         float angles[3];
1256         char *name;
1257         qboolean flipx, flipy, flipdiagonaly;
1258 }
1259 envmapinfo[12] =
1260 {
1261         {{  0,   0, 0}, "rt", false, false, false},
1262         {{  0, 270, 0}, "ft", false, false, false},
1263         {{  0, 180, 0}, "lf", false, false, false},
1264         {{  0,  90, 0}, "bk", false, false, false},
1265         {{-90, 180, 0}, "up",  true,  true, false},
1266         {{ 90, 180, 0}, "dn",  true,  true, false},
1267
1268         {{  0,   0, 0}, "px",  true,  true,  true},
1269         {{  0,  90, 0}, "py", false,  true, false},
1270         {{  0, 180, 0}, "nx", false, false,  true},
1271         {{  0, 270, 0}, "ny",  true, false, false},
1272         {{-90, 180, 0}, "pz", false, false,  true},
1273         {{ 90, 180, 0}, "nz", false, false,  true}
1274 };
1275
1276 static void R_Envmap_f (void)
1277 {
1278         int j, size;
1279         char filename[MAX_QPATH], basename[MAX_QPATH];
1280         unsigned char *buffer1;
1281         unsigned char *buffer2;
1282         unsigned char *buffer3;
1283
1284         if (Cmd_Argc() != 3)
1285         {
1286                 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");
1287                 return;
1288         }
1289
1290         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1291         size = atoi(Cmd_Argv(2));
1292         if (size != 128 && size != 256 && size != 512 && size != 1024)
1293         {
1294                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1295                 return;
1296         }
1297         if (size > vid.width || size > vid.height)
1298         {
1299                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1300                 return;
1301         }
1302
1303         r_refdef.envmap = true;
1304
1305         R_UpdateVariables();
1306
1307         r_refdef.view.x = 0;
1308         r_refdef.view.y = 0;
1309         r_refdef.view.z = 0;
1310         r_refdef.view.width = size;
1311         r_refdef.view.height = size;
1312         r_refdef.view.depth = 1;
1313         r_refdef.view.useperspective = true;
1314         r_refdef.view.isoverlay = false;
1315
1316         r_refdef.view.frustum_x = tan(90 * M_PI / 360.0);
1317         r_refdef.view.frustum_y = tan(90 * M_PI / 360.0);
1318
1319         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1320         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1321         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1322
1323         for (j = 0;j < 12;j++)
1324         {
1325                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1326                 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);
1327                 r_refdef.view.quality = 1;
1328                 r_refdef.view.clear = true;
1329                 R_Mesh_Start();
1330                 R_RenderView();
1331                 R_Mesh_Finish();
1332                 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);
1333         }
1334
1335         Mem_Free (buffer1);
1336         Mem_Free (buffer2);
1337         Mem_Free (buffer3);
1338
1339         r_refdef.envmap = false;
1340 }
1341
1342 //=============================================================================
1343
1344 void SHOWLMP_decodehide(void)
1345 {
1346         int i;
1347         char *lmplabel;
1348         lmplabel = MSG_ReadString();
1349         for (i = 0;i < cl.num_showlmps;i++)
1350                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1351                 {
1352                         cl.showlmps[i].isactive = false;
1353                         return;
1354                 }
1355 }
1356
1357 void SHOWLMP_decodeshow(void)
1358 {
1359         int k;
1360         char lmplabel[256], picname[256];
1361         float x, y;
1362         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1363         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1364         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1365         {
1366                 x = MSG_ReadByte();
1367                 y = MSG_ReadByte();
1368         }
1369         else
1370         {
1371                 x = MSG_ReadShort();
1372                 y = MSG_ReadShort();
1373         }
1374         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1375         {
1376                 showlmp_t *oldshowlmps = cl.showlmps;
1377                 cl.max_showlmps += 16;
1378                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1379                 if (cl.num_showlmps)
1380                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1381                 if (oldshowlmps)
1382                         Mem_Free(oldshowlmps);
1383         }
1384         for (k = 0;k < cl.max_showlmps;k++)
1385                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1386                         break;
1387         if (k == cl.max_showlmps)
1388                 for (k = 0;k < cl.max_showlmps;k++)
1389                         if (!cl.showlmps[k].isactive)
1390                                 break;
1391         cl.showlmps[k].isactive = true;
1392         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1393         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1394         cl.showlmps[k].x = x;
1395         cl.showlmps[k].y = y;
1396         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1397 }
1398
1399 void SHOWLMP_drawall(void)
1400 {
1401         int i;
1402         for (i = 0;i < cl.num_showlmps;i++)
1403                 if (cl.showlmps[i].isactive)
1404                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic (cl.showlmps[i].pic), 0, 0, 1, 1, 1, 1, 0);
1405 }
1406
1407 /*
1408 ==============================================================================
1409
1410                                                 SCREEN SHOTS
1411
1412 ==============================================================================
1413 */
1414
1415 qboolean SCR_ScreenShot(char *filename, unsigned char *buffer1, unsigned char *buffer2, unsigned char *buffer3, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg, qboolean gammacorrect)
1416 {
1417         int     indices[3] = {0,1,2};
1418         qboolean ret;
1419
1420         if (!r_render.integer)
1421                 return false;
1422
1423         CHECKGLERROR
1424         qglReadPixels (x, y, width, height, jpeg ? GL_RGB : GL_BGR, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1425
1426         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1427         {
1428                 int i;
1429                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1430                 unsigned short vidramp[256 * 3];
1431                 if(WANT_SCREENSHOT_HWGAMMA)
1432                 {
1433                         VID_BuildGammaTables(&vidramp[0], 256);
1434                 }
1435                 else
1436                 {
1437                         // identity gamma table
1438                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1439                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1440                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1441                 }
1442                 if(scr_screenshot_gammaboost.value != 1)
1443                 {
1444                         for (i = 0;i < 256 * 3;i++)
1445                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1446                 }
1447                 for (i = 0;i < width*height*3;i += 3)
1448                 {
1449                         buffer1[i] = (unsigned char) (vidramp[buffer1[i]] * 255.0 / 65535.0 + 0.5);
1450                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5);
1451                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2] + 512] * 255.0 / 65535.0 + 0.5);
1452                 }
1453         }
1454
1455         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1456
1457         if (jpeg)
1458                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1459         else
1460                 ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2, buffer3);
1461
1462         return ret;
1463 }
1464
1465 //=============================================================================
1466
1467 extern void R_UpdateFogColor(void);
1468 void R_ClearScreen(qboolean fogcolor)
1469 {
1470         // clear to black
1471         CHECKGLERROR
1472         if (fogcolor)
1473         {
1474                 R_UpdateFogColor();
1475                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1476         }
1477         else
1478         {
1479                 qglClearColor(0,0,0,0);CHECKGLERROR
1480         }
1481         qglClearDepth(1);CHECKGLERROR
1482         if (gl_stencil)
1483         {
1484                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1485                 // to avoid clamping interfering with strange shadow volume
1486                 // drawing orders
1487                 qglClearStencil(128);CHECKGLERROR
1488         }
1489         // clear the screen
1490         if (r_render.integer)
1491                 GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
1492         // set dithering mode
1493         if (gl_dither.integer)
1494         {
1495                 qglEnable(GL_DITHER);CHECKGLERROR
1496         }
1497         else
1498         {
1499                 qglDisable(GL_DITHER);CHECKGLERROR
1500         }
1501 }
1502
1503 qboolean CL_VM_UpdateView (void);
1504 void SCR_DrawConsole (void);
1505 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1506
1507 int r_stereo_side;
1508
1509 void SCR_DrawScreen (void)
1510 {
1511         R_Mesh_Start();
1512
1513         R_TimeReport_BeginFrame();
1514
1515         R_UpdateVariables();
1516
1517         // Quake uses clockwise winding, so these are swapped
1518         r_refdef.view.cullface_front = GL_BACK;
1519         r_refdef.view.cullface_back = GL_FRONT;
1520
1521         if (cls.signon == SIGNONS)
1522         {
1523                 float size;
1524
1525                 size = scr_viewsize.value * (1.0 / 100.0);
1526                 size = min(size, 1);
1527
1528                 if (r_stereo_sidebyside.integer)
1529                 {
1530                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1531                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1532                         r_refdef.view.depth = 1;
1533                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1534                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1535                         r_refdef.view.z = 0;
1536                         if (r_stereo_side)
1537                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1538                 }
1539                 else
1540                 {
1541                         r_refdef.view.width = (int)(vid.width * size);
1542                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1543                         r_refdef.view.depth = 1;
1544                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1545                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1546                         r_refdef.view.z = 0;
1547                 }
1548
1549                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1550                 // LordHavoc: this is designed to produce widescreen fov values
1551                 // when the screen is wider than 4/3 width/height aspect, to do
1552                 // this it simply assumes the requested fov is the vertical fov
1553                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1554                 // higher/lower according to the ratio
1555                 r_refdef.view.useperspective = true;
1556                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1557                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1558
1559                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1560                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1561
1562                 if(!CL_VM_UpdateView())
1563                         R_RenderView();
1564
1565                 if (scr_zoomwindow.integer)
1566                 {
1567                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1568                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1569                         r_refdef.view.width = (int)(vid.width * sizex);
1570                         r_refdef.view.height = (int)(vid.height * sizey);
1571                         r_refdef.view.depth = 1;
1572                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1573                         r_refdef.view.y = 0;
1574                         r_refdef.view.z = 0;
1575
1576                         r_refdef.view.useperspective = true;
1577                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1578                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1579
1580                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1581                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1582
1583                         if(!CL_VM_UpdateView())
1584                                 R_RenderView();
1585                 }
1586         }
1587
1588         if (!r_stereo_sidebyside.integer)
1589         {
1590                 r_refdef.view.width = vid.width;
1591                 r_refdef.view.height = vid.height;
1592                 r_refdef.view.depth = 1;
1593                 r_refdef.view.x = 0;
1594                 r_refdef.view.y = 0;
1595                 r_refdef.view.z = 0;
1596                 r_refdef.view.useperspective = false;
1597         }
1598
1599         // draw 2D stuff
1600         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1601                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1602                         Con_DrawNotify ();      // only draw notify in game
1603
1604         if (cls.signon == SIGNONS)
1605         {
1606                 SCR_DrawNet ();
1607                 SCR_DrawTurtle ();
1608                 SCR_DrawPause ();
1609                 if (!r_letterbox.value)
1610                         Sbar_Draw();
1611                 SHOWLMP_drawall();
1612                 SCR_CheckDrawCenterString();
1613         }
1614         SCR_DrawNetGraph ();
1615         MR_Draw();
1616         CL_DrawVideo();
1617         R_Shadow_EditLights_DrawSelectedLightProperties();
1618
1619         SCR_DrawConsole();
1620
1621         SCR_DrawBrand();
1622
1623         SCR_DrawInfobar();
1624
1625         if (r_timereport_active)
1626                 R_TimeReport("2d");
1627
1628         if (cls.signon == SIGNONS)
1629                 R_TimeReport_EndFrame();
1630
1631         DrawQ_Finish();
1632
1633         R_DrawGamma();
1634
1635         R_Mesh_Finish();
1636 }
1637
1638 typedef struct loadingscreenstack_s
1639 {
1640         struct loadingscreenstack_s *prev;
1641         char msg[MAX_QPATH];
1642         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1643         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1644         float relative_completion; // 0 .. 1
1645 }
1646 loadingscreenstack_t;
1647 static loadingscreenstack_t *loadingscreenstack = NULL;
1648 static double loadingscreentime = -1;
1649 static qboolean loadingscreencleared = false;
1650 static float loadingscreenheight = 0;
1651 rtexture_t *loadingscreentexture = NULL;
1652 static float loadingscreentexture_vertex3f[12];
1653 static float loadingscreentexture_texcoord2f[8];
1654
1655 static void SCR_ClearLoadingScreenTexture(void)
1656 {
1657         if(loadingscreentexture)
1658                 R_FreeTexture(loadingscreentexture);
1659         loadingscreentexture = NULL;
1660 }
1661
1662 extern rtexturepool_t *r_main_texturepool;
1663 static void SCR_SetLoadingScreenTexture(void)
1664 {
1665         int w, h;
1666         float loadingscreentexture_w;
1667         float loadingscreentexture_h;
1668
1669         SCR_ClearLoadingScreenTexture();
1670
1671         if (gl_support_arb_texture_non_power_of_two)
1672         {
1673                 w = vid.width; h = vid.height;
1674                 loadingscreentexture_w = loadingscreentexture_h = 1;
1675         }
1676         else
1677         {
1678                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1679                 loadingscreentexture_w = vid.width / (float) w;
1680                 loadingscreentexture_h = vid.height / (float) h;
1681         }
1682
1683         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_BGRA, TEXF_FORCENEAREST | TEXF_CLAMP | TEXF_ALWAYSPRECACHE, NULL);
1684         R_Mesh_TexBind(0, R_GetTexture(loadingscreentexture));
1685         GL_ActiveTexture(0);
1686         CHECKGLERROR
1687         qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, vid.width, vid.height);CHECKGLERROR
1688
1689         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1690         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1691         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1692         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1693         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1694         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1695         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1696         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1697         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1698 }
1699
1700 void SCR_UpdateLoadingScreenIfShown(void)
1701 {
1702         if(realtime == loadingscreentime)
1703                 SCR_UpdateLoadingScreen(loadingscreencleared);
1704 }
1705
1706 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1707 {
1708         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1709         s->prev = loadingscreenstack;
1710         loadingscreenstack = s;
1711
1712         strlcpy(s->msg, msg, sizeof(s->msg));
1713         s->relative_completion = 0;
1714
1715         if(s->prev)
1716         {
1717                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1718                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1719                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1720                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1721         }
1722         else
1723         {
1724                 s->absolute_loading_amount_min = 0;
1725                 s->absolute_loading_amount_len = 1;
1726         }
1727
1728         if(redraw)
1729                 SCR_UpdateLoadingScreenIfShown();
1730 }
1731
1732 void SCR_PopLoadingScreen (qboolean redraw)
1733 {
1734         loadingscreenstack_t *s = loadingscreenstack;
1735
1736         if(!s)
1737         {
1738                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1739                 return;
1740         }
1741
1742         loadingscreenstack = s->prev;
1743         if(s->prev)
1744                 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;
1745         Z_Free(s);
1746
1747         if(redraw)
1748                 SCR_UpdateLoadingScreenIfShown();
1749 }
1750
1751 void SCR_ClearLoadingScreen (qboolean redraw)
1752 {
1753         while(loadingscreenstack)
1754                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1755 }
1756
1757 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y)
1758 {
1759         float size = 8;
1760         float x;
1761         size_t len;
1762         float total;
1763
1764         total = 0;
1765 #if 0
1766         if(s)
1767         {
1768                 total += SCR_DrawLoadingStack_r(s->prev, y);
1769                 y -= total;
1770                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1771                 {
1772                         len = strlen(s->msg);
1773                         x = (vid_conwidth.integer - DrawQ_TextWidth_Font(s->msg, len, true, FONT_INFOBAR) * size) / 2;
1774                         y -= size;
1775                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1776                         DrawQ_String_Font(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1777                         total += size;
1778                 }
1779         }
1780 #else
1781         if(s)
1782         {
1783                 len = strlen(s->msg);
1784                 x = (vid_conwidth.integer - DrawQ_TextWidth_Font(s->msg, len, true, FONT_INFOBAR) * size) / 2;
1785                 y -= size;
1786                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1787                 DrawQ_String_Font(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1788                 total += size;
1789         }
1790 #endif
1791         return total;
1792 }
1793
1794 static void SCR_DrawLoadingStack(void)
1795 {
1796         float verts[12];
1797         float colors[16];
1798         int i;
1799
1800         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer);
1801         if(loadingscreenstack)
1802         {
1803                 // height = 32; // sorry, using the actual one is ugly
1804                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1805                 GL_DepthRange(0, 1);
1806                 GL_PolygonOffset(0, 0);
1807                 GL_DepthTest(false);
1808                 R_Mesh_VertexPointer(verts, 0, 0);
1809                 R_Mesh_ColorPointer(colors, 0, 0);
1810                 R_Mesh_ResetTextureState();
1811                 R_SetupGenericShader(false);
1812                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1813                 verts[0] = verts[9] = 0;
1814                 verts[1] = verts[4] = vid_conheight.integer - 8;
1815                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1816                 verts[7] = verts[10] = vid_conheight.integer;
1817
1818                 for(i = 0; i < 16; ++i)
1819                         colors[i] = (i % 4 == 3) ? 1 : (i >= 8 && i % 4 == 2) ? 1 : 0;
1820                         //                                        ^^^^^^^^^^ blue component
1821                         //                              ^^^^^^ bottom row
1822                         //          ^^^^^^^^^^^^ alpha is always on
1823                 R_Mesh_Draw(0, 4, 0, 2, NULL, polygonelements, 0, 0);
1824
1825                 // make sure everything is cleared, including the progress indicator
1826                 if(loadingscreenheight < 8)
1827                         loadingscreenheight = 8;
1828         }
1829 }
1830
1831 static cachepic_t *loadingscreenpic;
1832 static float loadingscreenpic_vertex3f[12];
1833 static float loadingscreenpic_texcoord2f[8];
1834
1835 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
1836 {
1837         float x, y;
1838         // release mouse grab while loading
1839         if (!vid.fullscreen)
1840                 VID_SetMouse(false, false, false);
1841         CHECKGLERROR
1842         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
1843         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1844         //qglDepthMask(1);CHECKGLERROR
1845         qglColorMask(1,1,1,1);CHECKGLERROR
1846         qglClearColor(0,0,0,0);CHECKGLERROR
1847         // when starting up a new video mode, make sure the screen is cleared to black
1848         if (clear)
1849                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1850         R_Textures_Frame();
1851         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
1852         R_Mesh_Start();
1853         R_Mesh_Matrix(&identitymatrix);
1854         // draw the loading plaque
1855         loadingscreenpic = Draw_CachePic ("gfx/loading");
1856         x = (vid_conwidth.integer - loadingscreenpic->width)/2;
1857         y = (vid_conheight.integer - loadingscreenpic->height)/2;
1858         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
1859         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
1860         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
1861         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + loadingscreenpic->width;
1862         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + loadingscreenpic->height;
1863         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
1864         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
1865         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
1866         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
1867 }
1868
1869 static void SCR_DrawLoadingScreen (qboolean clear)
1870 {
1871         // we only need to draw the image if it isn't already there
1872         GL_Color(1,1,1,1);
1873         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1874         GL_DepthRange(0, 1);
1875         GL_PolygonOffset(0, 0);
1876         GL_DepthTest(false);
1877         R_SetupGenericShader(true);
1878         R_Mesh_ColorPointer(NULL, 0, 0);
1879         if(loadingscreentexture)
1880         {
1881                 R_Mesh_VertexPointer(loadingscreentexture_vertex3f, 0, 0);
1882                 R_Mesh_ResetTextureState();
1883                 R_Mesh_TexBind(0, R_GetTexture(loadingscreentexture));
1884                 R_Mesh_TexCoordPointer(0, 2, loadingscreentexture_texcoord2f, 0, 0);
1885                 R_Mesh_Draw(0, 4, 0, 2, NULL, polygonelements, 0, 0);
1886         }
1887         R_Mesh_VertexPointer(loadingscreenpic_vertex3f, 0, 0);
1888         R_Mesh_ResetTextureState();
1889         R_Mesh_TexBind(0, R_GetTexture(loadingscreenpic->tex));
1890         R_Mesh_TexCoordPointer(0, 2, loadingscreenpic_texcoord2f, 0, 0);
1891         R_Mesh_Draw(0, 4, 0, 2, NULL, polygonelements, 0, 0);
1892         SCR_DrawLoadingStack();
1893 }
1894
1895 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
1896 {
1897         R_Mesh_Finish();
1898         // refresh
1899         VID_Finish();
1900         // however this IS necessary on Windows Vista
1901         qglFinish();
1902 }
1903
1904 void SCR_UpdateLoadingScreen (qboolean clear)
1905 {
1906         keydest_t       old_key_dest;
1907         int                     old_key_consoleactive;
1908
1909         // don't do anything if not initialized yet
1910         if (vid_hidden || !scr_refresh.integer || cls.state == ca_dedicated)
1911                 return;
1912
1913         if(loadingscreentime == realtime)
1914                 clear |= loadingscreencleared;
1915
1916         if(clear)
1917                 SCR_ClearLoadingScreenTexture();
1918         else if(loadingscreentime != realtime)
1919                 SCR_SetLoadingScreenTexture();
1920
1921         if(loadingscreentime != realtime)
1922         {
1923                 loadingscreentime = realtime;
1924                 loadingscreenheight = 0;
1925         }
1926         loadingscreencleared = clear;
1927
1928         SCR_DrawLoadingScreen_SharedSetup(clear);
1929         if (vid.stereobuffer)
1930         {
1931                 qglDrawBuffer(GL_BACK_LEFT);
1932                 SCR_DrawLoadingScreen(clear);
1933                 qglDrawBuffer(GL_BACK_RIGHT);
1934                 SCR_DrawLoadingScreen(clear);
1935         }
1936         else
1937         {
1938                 qglDrawBuffer(GL_BACK);
1939                 SCR_DrawLoadingScreen(clear);
1940         }
1941         SCR_DrawLoadingScreen_SharedFinish(clear);
1942
1943         // this goes into the event loop, and should prevent unresponsive cursor on vista
1944         old_key_dest = key_dest;
1945         old_key_consoleactive = key_consoleactive;
1946         key_dest = key_void;
1947         key_consoleactive = false;
1948         Sys_SendKeyEvents();
1949         key_dest = old_key_dest;
1950         key_consoleactive = old_key_consoleactive;
1951 }
1952
1953 extern cvar_t cl_minfps;
1954 extern cvar_t cl_minfps_fade;
1955 extern cvar_t cl_minfps_qualitymax;
1956 extern cvar_t cl_minfps_qualitymin;
1957 extern cvar_t cl_minfps_qualitypower;
1958 extern cvar_t cl_minfps_qualityscale;
1959 static double cl_updatescreen_rendertime = 0;
1960 static double cl_updatescreen_quality = 1;
1961 void CL_UpdateScreen(void)
1962 {
1963         double rendertime1;
1964         float conwidth, conheight;
1965
1966         if (!scr_initialized || !con_initialized)
1967                 return;                         // not initialized yet
1968
1969         if(gamemode == GAME_NEXUIZ)
1970         {
1971                 // play a bit with the palette (experimental)
1972                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1) + 0*M_PI/3));
1973                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1) + 2*M_PI/3));
1974                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1) + 4*M_PI/3));
1975                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5*M_PI/3));
1976                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3*M_PI/3));
1977                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1*M_PI/3));
1978                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
1979                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
1980         }
1981
1982         if (vid_hidden || !scr_refresh.integer)
1983                 return;
1984
1985         rendertime1 = Sys_DoubleTime();
1986
1987         conwidth = bound(160, vid_conwidth.value, 32768);
1988         conheight = bound(90, vid_conheight.value, 24576);
1989         if (vid_conwidth.value != conwidth)
1990                 Cvar_SetValue("vid_conwidth", conwidth);
1991         if (vid_conheight.value != conheight)
1992                 Cvar_SetValue("vid_conheight", conheight);
1993
1994         // bound viewsize
1995         if (scr_viewsize.value < 30)
1996                 Cvar_Set ("viewsize","30");
1997         if (scr_viewsize.value > 120)
1998                 Cvar_Set ("viewsize","120");
1999
2000         // bound field of view
2001         if (scr_fov.value < 1)
2002                 Cvar_Set ("fov","1");
2003         if (scr_fov.value > 170)
2004                 Cvar_Set ("fov","170");
2005
2006         // validate r_textureunits cvar
2007         if (r_textureunits.integer > gl_textureunits)
2008                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
2009         if (r_textureunits.integer < 1)
2010                 Cvar_SetValueQuick(&r_textureunits, 1);
2011
2012         // validate gl_combine cvar
2013         if (gl_combine.integer && !gl_combine_extension)
2014                 Cvar_SetValueQuick(&gl_combine, 0);
2015
2016         // intermission is always full screen
2017         if (cl.intermission)
2018                 sb_lines = 0;
2019         else
2020         {
2021                 if (scr_viewsize.value >= 120)
2022                         sb_lines = 0;           // no status bar at all
2023                 else if (scr_viewsize.value >= 110)
2024                         sb_lines = 24;          // no inventory
2025                 else
2026                         sb_lines = 24+16+8;
2027         }
2028
2029         r_refdef.view.colormask[0] = 1;
2030         r_refdef.view.colormask[1] = 1;
2031         r_refdef.view.colormask[2] = 1;
2032
2033         SCR_SetUpToDrawConsole();
2034
2035         CHECKGLERROR
2036         qglDrawBuffer(GL_BACK);CHECKGLERROR
2037         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2038         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2039         qglDepthMask(1);CHECKGLERROR
2040         qglColorMask(1,1,1,1);CHECKGLERROR
2041         qglClearColor(0,0,0,0);CHECKGLERROR
2042         R_ClearScreen(false);
2043         r_refdef.view.clear = false;
2044         r_refdef.view.isoverlay = false;
2045         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, pow(cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value, cl_minfps_qualitymax.value);
2046
2047         if(scr_stipple.integer)
2048         {
2049                 GLubyte stipple[128];
2050                 int i, s, width, parts;
2051                 static int frame = 0;
2052                 ++frame;
2053
2054                 s = scr_stipple.integer;
2055                 parts = (s & 007);
2056                 width = (s & 070) >> 3;
2057
2058                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
2059                 for(i = 0; i < 128; ++i)
2060                 {
2061                         int line = i/4;
2062                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2063                 }
2064                 qglPolygonStipple(stipple);
2065         }
2066         else
2067                 qglDisable(GL_POLYGON_STIPPLE);
2068
2069         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
2070         {
2071                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2072                 matrix4x4_t offsetmatrix;
2073                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2074                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2075
2076                 if (r_stereo_sidebyside.integer)
2077                         r_stereo_side = 0;
2078
2079                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2080                 {
2081                         r_refdef.view.colormask[0] = 1;
2082                         r_refdef.view.colormask[1] = 0;
2083                         r_refdef.view.colormask[2] = 0;
2084                 }
2085
2086                 if (vid.stereobuffer)
2087                         qglDrawBuffer(GL_BACK_RIGHT);
2088
2089                 SCR_DrawScreen();
2090
2091                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2092                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2093
2094                 if (r_stereo_sidebyside.integer)
2095                         r_stereo_side = 1;
2096
2097                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2098                 {
2099                         r_refdef.view.colormask[0] = 0;
2100                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2101                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2102                 }
2103
2104                 if (vid.stereobuffer)
2105                         qglDrawBuffer(GL_BACK_LEFT);
2106
2107                 SCR_DrawScreen();
2108
2109                 r_refdef.view.matrix = originalmatrix;
2110         }
2111         else
2112                 SCR_DrawScreen();
2113
2114         SCR_CaptureVideo();
2115
2116         // quality adjustment according to render time
2117         qglFlush();
2118         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2119         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2120                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2121         else
2122                 cl_updatescreen_quality = 1;
2123
2124         if (!vid_activewindow)
2125                 VID_SetMouse(false, false, false);
2126         else if (key_consoleactive)
2127                 VID_SetMouse(vid.fullscreen, false, false);
2128         else if (key_dest == key_menu_grabbed)
2129                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2130         else if (key_dest == key_menu)
2131                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2132         else
2133                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2134
2135         VID_Finish();
2136 }
2137
2138 void CL_Screen_NewMap(void)
2139 {
2140 }