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 r_letterbox = {0, "r_letterbox", "0", "reduces vertical height of view to simulate a letterboxed movie effect (can be used by mods for cutscenes)"};
  45 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)"};
  46 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)"};
  47 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)"};
  48 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"};
  49 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  50 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)"};
  51 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
  52 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
  53 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
  54 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
  55 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
  56 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  57 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)"};
  58 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)"};
  59
  60 extern cvar_t r_glsl;
  61 extern cvar_t v_glslgamma;
  62 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && !(r_glsl.integer && v_glslgamma.integer))
  63
  64 int jpeg_supported = false;
  65
  66 qboolean        scr_initialized;                // ready to draw
  67
  68 float           scr_con_current;
  69 int                     scr_con_margin_bottom;
  70
  71 extern int      con_vislines;
  72
  73 static void SCR_ScreenShot_f (void);
  74 static void R_Envmap_f (void);
  75
  76 // backend
  77 void R_ClearScreen(qboolean fogcolor);
  78
  79 /*
  80 ===============================================================================
  81
  82 CENTER PRINTING
  83
  84 ===============================================================================
  85 */
  86
  87 char            scr_centerstring[MAX_INPUTLINE];
  88 float           scr_centertime_start;   // for slow victory printing
  89 float           scr_centertime_off;
  90 int                     scr_center_lines;
  91 int                     scr_erase_lines;
  92 int                     scr_erase_center;
  93 char        scr_infobarstring[MAX_INPUTLINE];
  94 float       scr_infobartime_off;
  95
  96 /*
  97 ==============
  98 SCR_CenterPrint
  99
 100 Called for important messages that should stay in the center of the screen
 101 for a few moments
 102 ==============
 103 */
 104 void SCR_CenterPrint(const char *str)
 105 {
 106         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
 107         scr_centertime_off = scr_centertime.value;
 108         scr_centertime_start = cl.time;
 109
 110 // count the number of lines for centering
 111         scr_center_lines = 1;
 112         while (*str)
 113         {
 114                 if (*str == '\n')
 115                         scr_center_lines++;
 116                 str++;
 117         }
 118 }
 119
 120
 121 void SCR_DrawCenterString (void)
 122 {
 123         char    *start;
 124         int             x, y;
 125         int             remaining;
 126         int             color;
 127
 128         if(cl.intermission == 2) // in finale,
 129                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 130                         return;
 131
 132         if(scr_centertime.value <= 0 && !cl.intermission)
 133                 return;
 134
 135 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 136         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 137                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 138         else
 139                 remaining = 9999;
 140
 141         scr_erase_center = 0;
 142         start = scr_centerstring;
 143
 144         if (remaining < 1)
 145                 return;
 146
 147         if (scr_center_lines <= 4)
 148                 y = (int)(vid_conheight.integer*0.35);
 149         else
 150                 y = 48;
 151
 152         color = -1;
 153         do
 154         {
 155                 // scan the number of characters on the line, not counting color codes
 156                 char *newline = strchr(start, '\n');
 157                 int l = newline ? (newline - start) : (int)strlen(start);
 158                 float width = DrawQ_TextWidth_Font(start, l, false, FONT_CENTERPRINT) * 8;
 159
 160                 x = (int) (vid_conwidth.integer - width)/2;
 161                 if (l > 0)
 162                 {
 163                         if (remaining < l)
 164                                 l = remaining;
 165                         DrawQ_String_Font(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 166                         remaining -= l;
 167                         if (remaining <= 0)
 168                                 return;
 169                 }
 170                 y += 8;
 171
 172                 if (!newline)
 173                         break;
 174                 start = newline + 1; // skip the \n
 175         } while (1);
 176 }
 177
 178 void SCR_CheckDrawCenterString (void)
 179 {
 180         if (scr_center_lines > scr_erase_lines)
 181                 scr_erase_lines = scr_center_lines;
 182
 183         if (cl.time > cl.oldtime)
 184                 scr_centertime_off -= cl.time - cl.oldtime;
 185
 186         // don't draw if this is a normal stats-screen intermission,
 187         // only if it is not an intermission, or a finale intermission
 188         if (cl.intermission == 1)
 189                 return;
 190         if (scr_centertime_off <= 0 && !cl.intermission)
 191                 return;
 192         if (key_dest != key_game)
 193                 return;
 194
 195         SCR_DrawCenterString ();
 196 }
 197
 198 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])
 199 {
 200         int j, k, x, y, index, offset, height;
 201         // draw the bar graph itself
 202         // advance the packet counter because it is the latest packet column being
 203         // built up and should come last
 204         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 205         for (j = 0;j < NETGRAPH_PACKETS;j++)
 206         {
 207                 x = graphx + j * barwidth;
 208                 y = graphy + barheight;
 209                 index = (packetcounter + j) % NETGRAPH_PACKETS;
 210                 if (parameters[0][index] == NETGRAPH_LOSTPACKET)
 211                         DrawQ_Fill(x, y - barheight, barwidth, barheight, 1, 0, 0, 1, 0);
 212                 else if (parameters[0][index] == NETGRAPH_CHOKEDPACKET)
 213                         DrawQ_Fill(x, y - min(2, barheight), barwidth, min(2, barheight), 1, 1, 0, 1, 0);
 214                 else
 215                 {
 216                         offset = 0;
 217                         for (k = 0;k < numparameters;k++)
 218                         {
 219                                 height = (parameters[k][index] + bardivide - 1) / bardivide;
 220                                 height = min(height, barheight - offset);
 221                                 offset += height;
 222                                 if (height)
 223                                         DrawQ_Fill(x, y - offset, barwidth, height, parametercolors[k][0], parametercolors[k][1], parametercolors[k][2], parametercolors[k][3], 0);
 224                         }
 225                 }
 226         }
 227 }
 228
 229 const float netgraphcolors[3][4] =
 230 {
 231         {1  , 0.5, 0  , 1},
 232         {1  , 1  , 1  , 1},
 233         {0  , 1  , 0  , 1},
 234 };
 235
 236 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)
 237 {
 238         int numparameters;
 239         const int *parameters[3];
 240         // dim background
 241         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 242         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 243         // draw the bar graphs
 244         numparameters = 3;
 245         parameters[0] = conn->incoming_unreliablesize;
 246         parameters[1] = conn->incoming_reliablesize;
 247         parameters[2] = conn->incoming_acksize;
 248         SCR_DrawNetGraph_DrawGraph(graphx, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 249         parameters[0] = conn->outgoing_unreliablesize;
 250         parameters[1] = conn->outgoing_reliablesize;
 251         parameters[2] = conn->outgoing_acksize;
 252         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 253         // draw labels
 254         DrawQ_String(graphx                                          , graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 255         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 256 }
 257
 258 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)
 259 {
 260         int numparameters;
 261         const int *parameters[3];
 262         // dim background
 263         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 264         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 265         // draw the bar graphs
 266         numparameters = 3;
 267         parameters[0] = conn->outgoing_unreliablesize;
 268         parameters[1] = conn->outgoing_reliablesize;
 269         parameters[2] = conn->outgoing_acksize;
 270         SCR_DrawNetGraph_DrawGraph(graphx                                          , graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 271         parameters[0] = conn->incoming_unreliablesize;
 272         parameters[1] = conn->incoming_reliablesize;
 273         parameters[2] = conn->incoming_acksize;
 274         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 275         // draw labels
 276         DrawQ_String(graphx                                          , graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 277         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 278 }
 279
 280 /*
 281 ==============
 282 SCR_DrawNetGraph
 283 ==============
 284 */
 285 void SCR_DrawNetGraph (void)
 286 {
 287         int i, separator1, separator2, barwidth, barheight, bardivide, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 288
 289         if (cls.state != ca_connected)
 290                 return;
 291         if (!cls.netcon)
 292                 return;
 293         if (!shownetgraph.integer)
 294                 return;
 295
 296         separator1 = 2;
 297         separator2 = 4;
 298         textsize = 8;
 299         barwidth = 1;
 300         barheight = 50;
 301         bardivide = 20;
 302
 303         netgraphsperrow = (vid_conwidth.integer + separator2) / (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 304         netgraphsperrow = max(netgraphsperrow, 1);
 305
 306         index = 0;
 307         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 308         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 309         SCR_DrawNetGraph_DrawConnection_Client(cls.netcon, netgraph_x, netgraph_y, barwidth, barheight, bardivide, "incoming", separator1, "outgoing", textsize);
 310         index++;
 311
 312         if (sv.active && shownetgraph.integer >= 2)
 313         {
 314                 for (i = 0;i < svs.maxclients;i++)
 315                 {
 316                         if (!svs.clients[i].netconnection)
 317                                 continue;
 318                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 319                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 320                         SCR_DrawNetGraph_DrawConnection_Server(svs.clients[i].netconnection, netgraph_x, netgraph_y, barwidth, barheight, bardivide, va("%s", svs.clients[i].name), separator1, "", textsize);
 321                         index++;
 322                 }
 323         }
 324 }
 325
 326 /*
 327 ==============
 328 SCR_DrawTurtle
 329 ==============
 330 */
 331 void SCR_DrawTurtle (void)
 332 {
 333         static int      count;
 334
 335         if (cls.state != ca_connected)
 336                 return;
 337
 338         if (!scr_showturtle.integer)
 339                 return;
 340
 341         if (cl.realframetime < 0.1)
 342         {
 343                 count = 0;
 344                 return;
 345         }
 346
 347         count++;
 348         if (count < 3)
 349                 return;
 350
 351         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
 352 }
 353
 354 /*
 355 ==============
 356 SCR_DrawNet
 357 ==============
 358 */
 359 void SCR_DrawNet (void)
 360 {
 361         if (cls.state != ca_connected)
 362                 return;
 363         if (realtime - cl.last_received_message < 0.3)
 364                 return;
 365         if (cls.demoplayback)
 366                 return;
 367
 368         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
 369 }
 370
 371 /*
 372 ==============
 373 DrawPause
 374 ==============
 375 */
 376 void SCR_DrawPause (void)
 377 {
 378         cachepic_t      *pic;
 379
 380         if (cls.state != ca_connected)
 381                 return;
 382
 383         if (!scr_showpause.integer)             // turn off for screenshots
 384                 return;
 385
 386         if (!cl.paused)
 387                 return;
 388
 389         pic = Draw_CachePic ("gfx/pause");
 390         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 391 }
 392
 393 /*
 394 ==============
 395 SCR_DrawBrand
 396 ==============
 397 */
 398 void SCR_DrawBrand (void)
 399 {
 400         cachepic_t      *pic;
 401         float           x, y;
 402
 403         if (!scr_showbrand.value)
 404                 return;
 405
 406         pic = Draw_CachePic ("gfx/brand");
 407
 408         switch ((int)scr_showbrand.value)
 409         {
 410         case 1: // bottom left
 411                 x = 0;
 412                 y = vid_conheight.integer - pic->height;
 413                 break;
 414         case 2: // bottom centre
 415                 x = (vid_conwidth.integer - pic->width) / 2;
 416                 y = vid_conheight.integer - pic->height;
 417                 break;
 418         case 3: // bottom right
 419                 x = vid_conwidth.integer - pic->width;
 420                 y = vid_conheight.integer - pic->height;
 421                 break;
 422         case 4: // centre right
 423                 x = vid_conwidth.integer - pic->width;
 424                 y = (vid_conheight.integer - pic->height) / 2;
 425                 break;
 426         case 5: // top right
 427                 x = vid_conwidth.integer - pic->width;
 428                 y = 0;
 429                 break;
 430         case 6: // top centre
 431                 x = (vid_conwidth.integer - pic->width) / 2;
 432                 y = 0;
 433                 break;
 434         case 7: // top left
 435                 x = 0;
 436                 y = 0;
 437                 break;
 438         case 8: // centre left
 439                 x = 0;
 440                 y = (vid_conheight.integer - pic->height) / 2;
 441                 break;
 442         default:
 443                 return;
 444         }
 445
 446         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 447 }
 448
 449 /*
 450 ==============
 451 SCR_DrawQWDownload
 452 ==============
 453 */
 454 static int SCR_DrawQWDownload(int offset)
 455 {
 456         // sync with SCR_InfobarHeight
 457         int len;
 458         float x, y;
 459         float size = 8;
 460         char temp[256];
 461
 462         if (!cls.qw_downloadname[0])
 463         {
 464                 cls.qw_downloadspeedrate = 0;
 465                 cls.qw_downloadspeedtime = realtime;
 466                 cls.qw_downloadspeedcount = 0;
 467                 return 0;
 468         }
 469         if (realtime >= cls.qw_downloadspeedtime + 1)
 470         {
 471                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 472                 cls.qw_downloadspeedtime = realtime;
 473                 cls.qw_downloadspeedcount = 0;
 474         }
 475         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 476                 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);
 477         else
 478                 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);
 479         len = (int)strlen(temp);
 480         x = (vid_conwidth.integer - DrawQ_TextWidth_Font(temp, len, true, FONT_INFOBAR) * size) / 2;
 481         y = vid_conheight.integer - size - offset;
 482         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 483         DrawQ_String_Font(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 484         return 8;
 485 }
 486 /*
 487 ==============
 488 SCR_DrawInfobarString
 489 ==============
 490 */
 491 static int SCR_DrawInfobarString(int offset)
 492 {
 493         int len;
 494         float x, y;
 495         float size = 8;
 496
 497         len = (int)strlen(scr_infobarstring);
 498         x = (vid_conwidth.integer - DrawQ_TextWidth_Font(scr_infobarstring, len, false, FONT_INFOBAR) * size) / 2;
 499         y = vid_conheight.integer - size - offset;
 500         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 501         DrawQ_String_Font(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
 502         return 8;
 503 }
 504
 505 /*
 506 ==============
 507 SCR_DrawCurlDownload
 508 ==============
 509 */
 510 static int SCR_DrawCurlDownload(int offset)
 511 {
 512         // sync with SCR_InfobarHeight
 513         int len;
 514         int nDownloads;
 515         int i;
 516         float x, y;
 517         float size = 8;
 518         Curl_downloadinfo_t *downinfo;
 519         char temp[256];
 520         const char *addinfo;
 521
 522         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 523         if(!downinfo)
 524                 return 0;
 525
 526         y = vid_conheight.integer - size * nDownloads - offset;
 527
 528         if(addinfo)
 529         {
 530                 len = (int)strlen(addinfo);
 531                 x = (vid_conwidth.integer - DrawQ_TextWidth_Font(addinfo, len, true, FONT_INFOBAR) * size) / 2;
 532                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 533                 DrawQ_String_Font(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 534         }
 535
 536         for(i = 0; i != nDownloads; ++i)
 537         {
 538                 if(downinfo[i].queued)
 539                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
 540                 else if(downinfo[i].progress <= 0)
 541                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
 542                 else
 543                         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);
 544                 len = (int)strlen(temp);
 545                 x = (vid_conwidth.integer - DrawQ_TextWidth_Font(temp, len, true, FONT_INFOBAR) * size) / 2;
 546                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 547                 DrawQ_String_Font(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 548         }
 549
 550         Z_Free(downinfo);
 551
 552         return 8 * (nDownloads + (addinfo ? 1 : 0));
 553 }
 554
 555 /*
 556 ==============
 557 SCR_DrawInfobar
 558 ==============
 559 */
 560 static void SCR_DrawInfobar()
 561 {
 562         int offset = 0;
 563         if(scr_infobartime_off > 0)
 564                 offset += SCR_DrawInfobarString(offset);
 565         offset += SCR_DrawQWDownload(offset);
 566         offset += SCR_DrawCurlDownload(offset);
 567         if(offset != scr_con_margin_bottom)
 568                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 569 }
 570
 571 static int SCR_InfobarHeight()
 572 {
 573         int offset = 0;
 574         Curl_downloadinfo_t *downinfo;
 575         const char *addinfo;
 576         int nDownloads;
 577
 578         if (cl.time > cl.oldtime)
 579                 scr_infobartime_off -= cl.time - cl.oldtime;
 580         if(scr_infobartime_off > 0)
 581                 offset += 8;
 582
 583         if(cls.qw_downloadname[0])
 584                 offset += 8;
 585
 586         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 587         if(downinfo)
 588         {
 589                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
 590                 Z_Free(downinfo);
 591         }
 592
 593         return offset;
 594 }
 595
 596 /*
 597 ==============
 598 SCR_InfoBar_f
 599 ==============
 600 */
 601 void SCR_InfoBar_f(void)
 602 {
 603         if(Cmd_Argc() == 3)
 604         {
 605                 scr_infobartime_off = atof(Cmd_Argv(1));
 606                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
 607         }
 608         else
 609         {
 610                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
 611         }
 612 }
 613 //=============================================================================
 614
 615 /*
 616 ==================
 617 SCR_SetUpToDrawConsole
 618 ==================
 619 */
 620 void SCR_SetUpToDrawConsole (void)
 621 {
 622         // lines of console to display
 623         float conlines;
 624         static int framecounter = 0;
 625
 626         Con_CheckResize ();
 627
 628         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 629         {
 630                 if (framecounter >= 2)
 631                         MR_ToggleMenu_f();
 632                 else
 633                         framecounter++;
 634         }
 635         else
 636                 framecounter = 0;
 637
 638         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 639                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 640         else
 641                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 642
 643 // decide on the height of the console
 644         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 645                 conlines = vid_conheight.integer/2;     // half screen
 646         else
 647                 conlines = 0;                           // none visible
 648
 649         scr_con_current = conlines;
 650 }
 651
 652 /*
 653 ==================
 654 SCR_DrawConsole
 655 ==================
 656 */
 657 void SCR_DrawConsole (void)
 658 {
 659         scr_con_margin_bottom = SCR_InfobarHeight();
 660         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 661         {
 662                 // full screen
 663                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 664         }
 665         else if (scr_con_current)
 666                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 667         else
 668                 con_vislines = 0;
 669 }
 670
 671 /*
 672 ===============
 673 SCR_BeginLoadingPlaque
 674
 675 ================
 676 */
 677 void SCR_BeginLoadingPlaque (void)
 678 {
 679         // save console log up to this point to log_file if it was set by configs
 680         Log_Start();
 681
 682         Host_StartVideo();
 683         SCR_UpdateLoadingScreen(false);
 684 }
 685
 686 //=============================================================================
 687
 688 char r_speeds_timestring[4096];
 689 int speedstringcount, r_timereport_active;
 690 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 691 int r_speeds_longestitem = 0;
 692
 693 void R_TimeReport(char *desc)
 694 {
 695         char tempbuf[256];
 696         int length;
 697         int t;
 698
 699         if (r_speeds.integer < 2 || !r_timereport_active)
 700                 return;
 701
 702         CHECKGLERROR
 703         if (r_speeds.integer == 2)
 704                 qglFinish();
 705         CHECKGLERROR
 706         r_timereport_temp = r_timereport_current;
 707         r_timereport_current = Sys_DoubleTime();
 708         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 709
 710         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
 711         length = min(length, (int)sizeof(tempbuf) - 1);
 712         if (r_speeds_longestitem < length)
 713                 r_speeds_longestitem = length;
 714         for (;length < r_speeds_longestitem;length++)
 715                 tempbuf[length] = ' ';
 716         tempbuf[length] = 0;
 717
 718         if (speedstringcount + length > (vid_conwidth.integer / 8))
 719         {
 720                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
 721                 speedstringcount = 0;
 722         }
 723         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
 724         speedstringcount += length;
 725 }
 726
 727 void R_TimeReport_BeginFrame(void)
 728 {
 729         speedstringcount = 0;
 730         r_speeds_timestring[0] = 0;
 731         r_timereport_active = false;
 732         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 733
 734         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
 735         {
 736                 r_timereport_active = true;
 737                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
 738         }
 739 }
 740
 741 void R_TimeReport_EndFrame(void)
 742 {
 743         int i, j, lines, y;
 744         cl_locnode_t *loc;
 745         char string[1024+4096];
 746
 747         string[0] = 0;
 748         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 749         {
 750                 // put the location name in the r_speeds display as it greatly helps
 751                 // when creating loc files
 752                 loc = CL_Locs_FindNearest(cl.movement_origin);
 753                 dpsnprintf(string, sizeof(string),
 754 "%s%s\n"
 755 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
 756 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
 757 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
 758 "%7i lightmap updates (%7i pixels)\n"
 759 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
 760 "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n"
 761 "%s"
 762 , loc ? "Location: " : "", loc ? loc->name : ""
 763 , 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]
 764 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
 765 , 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)
 766 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
 767 , 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
 768 , r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
 769 , r_speeds_timestring);
 770
 771                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 772
 773                 speedstringcount = 0;
 774                 r_speeds_timestring[0] = 0;
 775                 r_timereport_active = false;
 776
 777                 if (r_speeds.integer >= 2)
 778                 {
 779                         r_timereport_active = true;
 780                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 781                 }
 782         }
 783
 784         if (string[0])
 785         {
 786                 if (string[strlen(string)-1] == '\n')
 787                         string[strlen(string)-1] = 0;
 788                 lines = 1;
 789                 for (i = 0;string[i];i++)
 790                         if (string[i] == '\n')
 791                                 lines++;
 792                 y = vid_conheight.integer - sb_lines - lines * 8;
 793                 i = j = 0;
 794                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 795                 while (string[i])
 796                 {
 797                         j = i;
 798                         while (string[i] && string[i] != '\n')
 799                                 i++;
 800                         if (i - j > 0)
 801                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true);
 802                         if (string[i] == '\n')
 803                                 i++;
 804                         y += 8;
 805                 }
 806         }
 807 }
 808
 809 /*
 810 =================
 811 SCR_SizeUp_f
 812
 813 Keybinding command
 814 =================
 815 */
 816 void SCR_SizeUp_f (void)
 817 {
 818         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 819 }
 820
 821
 822 /*
 823 =================
 824 SCR_SizeDown_f
 825
 826 Keybinding command
 827 =================
 828 */
 829 void SCR_SizeDown_f (void)
 830 {
 831         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 832 }
 833
 834 void SCR_CaptureVideo_EndVideo(void);
 835 void CL_Screen_Shutdown(void)
 836 {
 837         SCR_CaptureVideo_EndVideo();
 838 }
 839
 840 void CL_Screen_Init(void)
 841 {
 842         Cvar_RegisterVariable (&scr_fov);
 843         Cvar_RegisterVariable (&scr_viewsize);
 844         Cvar_RegisterVariable (&scr_conalpha);
 845         Cvar_RegisterVariable (&scr_conbrightness);
 846         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 847         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 848         Cvar_RegisterVariable (&scr_showram);
 849         Cvar_RegisterVariable (&scr_showturtle);
 850         Cvar_RegisterVariable (&scr_showpause);
 851         Cvar_RegisterVariable (&scr_showbrand);
 852         Cvar_RegisterVariable (&scr_centertime);
 853         Cvar_RegisterVariable (&scr_printspeed);
 854         Cvar_RegisterVariable (&vid_conwidth);
 855         Cvar_RegisterVariable (&vid_conheight);
 856         Cvar_RegisterVariable (&vid_pixelheight);
 857         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 858         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 859         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 860         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
 861         Cvar_RegisterVariable (&cl_capturevideo);
 862         Cvar_RegisterVariable (&cl_capturevideo_printfps);
 863         Cvar_RegisterVariable (&cl_capturevideo_width);
 864         Cvar_RegisterVariable (&cl_capturevideo_height);
 865         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 866         Cvar_RegisterVariable (&cl_capturevideo_fps);
 867         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
 868         Cvar_RegisterVariable (&cl_capturevideo_number);
 869         Cvar_RegisterVariable (&cl_capturevideo_ogg);
 870         Cvar_RegisterVariable (&r_letterbox);
 871         Cvar_RegisterVariable(&r_stereo_separation);
 872         Cvar_RegisterVariable(&r_stereo_sidebyside);
 873         Cvar_RegisterVariable(&r_stereo_redblue);
 874         Cvar_RegisterVariable(&r_stereo_redcyan);
 875         Cvar_RegisterVariable(&r_stereo_redgreen);
 876         Cvar_RegisterVariable(&r_stereo_angle);
 877         Cvar_RegisterVariable(&scr_zoomwindow);
 878         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 879         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 880         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 881         Cvar_RegisterVariable(&scr_stipple);
 882         Cvar_RegisterVariable(&scr_refresh);
 883         Cvar_RegisterVariable(&shownetgraph);
 884         Cvar_RegisterVariable(&cl_demo_mousegrab);
 885
 886         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 887         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 888         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 889         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 890         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
 891
 892         SCR_CaptureVideo_Ogg_Init();
 893
 894         scr_initialized = true;
 895 }
 896
 897 /*
 898 ==================
 899 SCR_ScreenShot_f
 900 ==================
 901 */
 902 void SCR_ScreenShot_f (void)
 903 {
 904         static int shotnumber;
 905         static char old_prefix_name[MAX_QPATH];
 906         char prefix_name[MAX_QPATH];
 907         char filename[MAX_QPATH];
 908         unsigned char *buffer1;
 909         unsigned char *buffer2;
 910         unsigned char *buffer3;
 911         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 912
 913         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
 914
 915         if (strcmp(old_prefix_name, prefix_name))
 916         {
 917                 dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
 918                 shotnumber = 0;
 919         }
 920
 921         // find a file name to save it to
 922         for (;shotnumber < 1000000;shotnumber++)
 923                 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)))
 924                         break;
 925         if (shotnumber >= 1000000)
 926         {
 927                 Con_Print("Couldn't create the image file\n");
 928                 return;
 929         }
 930
 931         dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : "tga");
 932
 933         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 934         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 935         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
 936
 937         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
 938                 Con_Printf("Wrote %s\n", filename);
 939         else
 940                 Con_Printf("Unable to write %s\n", filename);
 941
 942         Mem_Free (buffer1);
 943         Mem_Free (buffer2);
 944         Mem_Free (buffer3);
 945
 946         shotnumber++;
 947 }
 948
 949 void SCR_CaptureVideo_BeginVideo(void)
 950 {
 951         double r, g, b;
 952         unsigned int i;
 953         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
 954         if (cls.capturevideo.active)
 955                 return;
 956         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
 957         // soundrate is figured out on the first SoundFrame
 958
 959         if(width == 0 && height != 0)
 960                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
 961         if(width != 0 && height == 0)
 962                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
 963
 964         if(width < 2 || width > vid.width) // can't scale up
 965                 width = vid.width;
 966         if(height < 2 || height > vid.height) // can't scale up
 967                 height = vid.height;
 968
 969         // ensure it's all even; if not, scale down a little
 970         if(width % 1)
 971                 --width;
 972         if(height % 1)
 973                 --height;
 974
 975         cls.capturevideo.width = width;
 976         cls.capturevideo.height = height;
 977         cls.capturevideo.active = true;
 978         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001);
 979         cls.capturevideo.soundrate = S_GetSoundRate();
 980         cls.capturevideo.soundchannels = S_GetSoundChannels();
 981         cls.capturevideo.startrealtime = realtime;
 982         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
 983         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
 984         cls.capturevideo.soundsampleframe = 0;
 985         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
 986         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
 987         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
 988         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
 989         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
 990
 991         /*
 992         for (i = 0;i < 256;i++)
 993         {
 994                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
 995                 cls.capturevideo.rgbgammatable[0][i] = j;
 996                 cls.capturevideo.rgbgammatable[1][i] = j;
 997                 cls.capturevideo.rgbgammatable[2][i] = j;
 998         }
 999         */
1000 /*
1001 R = Y + 1.4075 * (Cr - 128);
1002 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1003 B = Y + 1.7790 * (Cb - 128);
1004 Y = R *  .299 + G *  .587 + B *  .114;
1005 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1006 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1007 */
1008
1009         if(WANT_SCREENSHOT_HWGAMMA)
1010         {
1011                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1012         }
1013         else
1014         {
1015                 // identity gamma table
1016                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1017                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1018                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1019         }
1020         if(scr_screenshot_gammaboost.value != 1)
1021         {
1022                 double igamma = 1 / scr_screenshot_gammaboost.value;
1023                 for (i = 0;i < 256 * 3;i++)
1024                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1025         }
1026
1027         for (i = 0;i < 256;i++)
1028         {
1029                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1030                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1031                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1032                 // Y weights from RGB
1033                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299 + 0.5);
1034                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587 + 0.5);
1035                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114 + 0.5);
1036                 // Cb weights from RGB
1037                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169 + 0.5);
1038                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332 + 0.5);
1039                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500 + 0.5);
1040                 // Cr weights from RGB
1041                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500 + 0.5);
1042                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419 + 0.5);
1043                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813 + 0.5);
1044                 // range reduction of YCbCr to valid signal range
1045                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256 + 0.5;
1046                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256 + 0.5;
1047                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256 + 0.5;
1048         }
1049
1050         if (cl_capturevideo_ogg.integer)
1051         {
1052                 if(SCR_CaptureVideo_Ogg_Available())
1053                 {
1054                         SCR_CaptureVideo_Ogg_BeginVideo();
1055                         return;
1056                 }
1057                 else
1058                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1059         }
1060
1061         SCR_CaptureVideo_Avi_BeginVideo();
1062 }
1063
1064 void SCR_CaptureVideo_EndVideo(void)
1065 {
1066         if (!cls.capturevideo.active)
1067                 return;
1068         cls.capturevideo.active = false;
1069
1070         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);
1071
1072         if (cls.capturevideo.videofile)
1073         {
1074                 cls.capturevideo.endvideo();
1075         }
1076
1077         if (cls.capturevideo.screenbuffer)
1078         {
1079                 Mem_Free (cls.capturevideo.screenbuffer);
1080                 cls.capturevideo.screenbuffer = NULL;
1081         }
1082
1083         if (cls.capturevideo.outbuffer)
1084         {
1085                 Mem_Free (cls.capturevideo.outbuffer);
1086                 cls.capturevideo.outbuffer = NULL;
1087         }
1088
1089         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1090 }
1091
1092 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1093 {
1094         // TODO optimize this function
1095
1096         int x, y;
1097         float area;
1098
1099         // memcpy is faster than me
1100         if(inw == outw && inh == outh)
1101         {
1102                 memcpy(out, in, 4 * inw * inh);
1103                 return;
1104         }
1105
1106         // otherwise: a box filter
1107         area = (float)outw * (float)outh / (float)inw / (float)inh;
1108         for(y = 0; y < outh; ++y)
1109         {
1110                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1111                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1112                 for(x = 0; x < outw; ++x)
1113                 {
1114                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1115                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1116                         float r = 0, g = 0, b = 0, alpha = 0;
1117                         int xx, yy;
1118
1119                         for(yy = iny0_i; yy < iny1_i; ++yy)
1120                         {
1121                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1122                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1123                                 {
1124                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1125                                         r += a * in[4*(xx + inw * yy)+0];
1126                                         g += a * in[4*(xx + inw * yy)+1];
1127                                         b += a * in[4*(xx + inw * yy)+2];
1128                                         alpha += a * in[4*(xx + inw * yy)+3];
1129                                 }
1130                         }
1131
1132                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1133                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1134                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1135                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1136                 }
1137         }
1138 }
1139
1140 void SCR_CaptureVideo_VideoFrame(int newframenum)
1141 {
1142         int x = 0, y = 0;
1143         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1144
1145         CHECKGLERROR
1146         //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);
1147         // speed is critical here, so do saving as directly as possible
1148
1149         qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1150         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1151
1152         cls.capturevideo.videoframes(newframenum - cls.capturevideo.frame);
1153         cls.capturevideo.frame = newframenum;
1154
1155         if(cl_capturevideo_printfps.integer)
1156         {
1157                 char buf[80];
1158                 double t = Sys_DoubleTime();
1159                 if(t > cls.capturevideo.lastfpstime + 1)
1160                 {
1161                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1162                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1163                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1164                         Sys_PrintToTerminal(buf);
1165                         cls.capturevideo.lastfpstime = t;
1166                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1167                 }
1168         }
1169 }
1170
1171 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1172 {
1173         cls.capturevideo.soundsampleframe += length;
1174         cls.capturevideo.soundframe(paintbuffer, length);
1175 }
1176
1177 void SCR_CaptureVideo(void)
1178 {
1179         int newframenum;
1180         if (cl_capturevideo.integer && r_render.integer)
1181         {
1182                 if (!cls.capturevideo.active)
1183                         SCR_CaptureVideo_BeginVideo();
1184                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value)
1185                 {
1186                         Con_Printf("You can not change the video framerate while recording a video.\n");
1187                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate);
1188                 }
1189                 // for AVI saving we have to make sure that sound is saved before video
1190                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1191                         return;
1192                 if (cls.capturevideo.realtime)
1193                 {
1194                         // preserve sound sync by duplicating frames when running slow
1195                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1196                 }
1197                 else
1198                         newframenum = cls.capturevideo.frame + 1;
1199                 // if falling behind more than one second, stop
1200                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1201                 {
1202                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1203                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1204                         SCR_CaptureVideo_EndVideo();
1205                         return;
1206                 }
1207                 // write frames
1208                 SCR_CaptureVideo_VideoFrame(newframenum);
1209                 if (cls.capturevideo.error)
1210                 {
1211                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1212                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1213                         SCR_CaptureVideo_EndVideo();
1214                 }
1215         }
1216         else if (cls.capturevideo.active)
1217                 SCR_CaptureVideo_EndVideo();
1218 }
1219
1220 /*
1221 ===============
1222 R_Envmap_f
1223
1224 Grab six views for environment mapping tests
1225 ===============
1226 */
1227 struct envmapinfo_s
1228 {
1229         float angles[3];
1230         char *name;
1231         qboolean flipx, flipy, flipdiagonaly;
1232 }
1233 envmapinfo[12] =
1234 {
1235         {{  0,   0, 0}, "rt", false, false, false},
1236         {{  0, 270, 0}, "ft", false, false, false},
1237         {{  0, 180, 0}, "lf", false, false, false},
1238         {{  0,  90, 0}, "bk", false, false, false},
1239         {{-90, 180, 0}, "up",  true,  true, false},
1240         {{ 90, 180, 0}, "dn",  true,  true, false},
1241
1242         {{  0,   0, 0}, "px",  true,  true,  true},
1243         {{  0,  90, 0}, "py", false,  true, false},
1244         {{  0, 180, 0}, "nx", false, false,  true},
1245         {{  0, 270, 0}, "ny",  true, false, false},
1246         {{-90, 180, 0}, "pz", false, false,  true},
1247         {{ 90, 180, 0}, "nz", false, false,  true}
1248 };
1249
1250 static void R_Envmap_f (void)
1251 {
1252         int j, size;
1253         char filename[MAX_QPATH], basename[MAX_QPATH];
1254         unsigned char *buffer1;
1255         unsigned char *buffer2;
1256         unsigned char *buffer3;
1257
1258         if (Cmd_Argc() != 3)
1259         {
1260                 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");
1261                 return;
1262         }
1263
1264         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1265         size = atoi(Cmd_Argv(2));
1266         if (size != 128 && size != 256 && size != 512 && size != 1024)
1267         {
1268                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1269                 return;
1270         }
1271         if (size > vid.width || size > vid.height)
1272         {
1273                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1274                 return;
1275         }
1276
1277         r_refdef.envmap = true;
1278
1279         R_UpdateVariables();
1280
1281         r_refdef.view.x = 0;
1282         r_refdef.view.y = 0;
1283         r_refdef.view.z = 0;
1284         r_refdef.view.width = size;
1285         r_refdef.view.height = size;
1286         r_refdef.view.depth = 1;
1287         r_refdef.view.useperspective = true;
1288         r_refdef.view.isoverlay = false;
1289
1290         r_refdef.view.frustum_x = tan(90 * M_PI / 360.0);
1291         r_refdef.view.frustum_y = tan(90 * M_PI / 360.0);
1292
1293         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1294         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1295         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1296
1297         for (j = 0;j < 12;j++)
1298         {
1299                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1300                 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);
1301                 r_refdef.view.quality = 1;
1302                 r_refdef.view.clear = true;
1303                 R_Mesh_Start();
1304                 R_RenderView();
1305                 R_Mesh_Finish();
1306                 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);
1307         }
1308
1309         Mem_Free (buffer1);
1310         Mem_Free (buffer2);
1311         Mem_Free (buffer3);
1312
1313         r_refdef.envmap = false;
1314 }
1315
1316 //=============================================================================
1317
1318 void SHOWLMP_decodehide(void)
1319 {
1320         int i;
1321         char *lmplabel;
1322         lmplabel = MSG_ReadString();
1323         for (i = 0;i < cl.num_showlmps;i++)
1324                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1325                 {
1326                         cl.showlmps[i].isactive = false;
1327                         return;
1328                 }
1329 }
1330
1331 void SHOWLMP_decodeshow(void)
1332 {
1333         int k;
1334         char lmplabel[256], picname[256];
1335         float x, y;
1336         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1337         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1338         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1339         {
1340                 x = MSG_ReadByte();
1341                 y = MSG_ReadByte();
1342         }
1343         else
1344         {
1345                 x = MSG_ReadShort();
1346                 y = MSG_ReadShort();
1347         }
1348         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1349         {
1350                 showlmp_t *oldshowlmps = cl.showlmps;
1351                 cl.max_showlmps += 16;
1352                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1353                 if (cl.num_showlmps)
1354                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1355                 if (oldshowlmps)
1356                         Mem_Free(oldshowlmps);
1357         }
1358         for (k = 0;k < cl.max_showlmps;k++)
1359                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1360                         break;
1361         if (k == cl.max_showlmps)
1362                 for (k = 0;k < cl.max_showlmps;k++)
1363                         if (!cl.showlmps[k].isactive)
1364                                 break;
1365         cl.showlmps[k].isactive = true;
1366         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1367         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1368         cl.showlmps[k].x = x;
1369         cl.showlmps[k].y = y;
1370         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1371 }
1372
1373 void SHOWLMP_drawall(void)
1374 {
1375         int i;
1376         for (i = 0;i < cl.num_showlmps;i++)
1377                 if (cl.showlmps[i].isactive)
1378                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic (cl.showlmps[i].pic), 0, 0, 1, 1, 1, 1, 0);
1379 }
1380
1381 /*
1382 ==============================================================================
1383
1384                                                 SCREEN SHOTS
1385
1386 ==============================================================================
1387 */
1388
1389 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)
1390 {
1391         int     indices[3] = {0,1,2};
1392         qboolean ret;
1393
1394         if (!r_render.integer)
1395                 return false;
1396
1397         CHECKGLERROR
1398         qglReadPixels (x, y, width, height, jpeg ? GL_RGB : GL_BGR, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1399
1400         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1401         {
1402                 int i;
1403                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1404                 unsigned short vidramp[256 * 3];
1405                 if(WANT_SCREENSHOT_HWGAMMA)
1406                 {
1407                         VID_BuildGammaTables(&vidramp[0], 256);
1408                 }
1409                 else
1410                 {
1411                         // identity gamma table
1412                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1413                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1414                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1415                 }
1416                 if(scr_screenshot_gammaboost.value != 1)
1417                 {
1418                         for (i = 0;i < 256 * 3;i++)
1419                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1420                 }
1421                 for (i = 0;i < width*height*3;i += 3)
1422                 {
1423                         buffer1[i] = (unsigned char) (vidramp[buffer1[i]] * 255.0 / 65535.0 + 0.5);
1424                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5);
1425                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2] + 512] * 255.0 / 65535.0 + 0.5);
1426                 }
1427         }
1428
1429         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1430
1431         if (jpeg)
1432                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1433         else
1434                 ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2, buffer3);
1435
1436         return ret;
1437 }
1438
1439 //=============================================================================
1440
1441 extern void R_UpdateFogColor(void);
1442 void R_ClearScreen(qboolean fogcolor)
1443 {
1444         // clear to black
1445         CHECKGLERROR
1446         if (fogcolor)
1447         {
1448                 R_UpdateFogColor();
1449                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1450         }
1451         else
1452         {
1453                 qglClearColor(0,0,0,0);CHECKGLERROR
1454         }
1455         qglClearDepth(1);CHECKGLERROR
1456         if (gl_stencil)
1457         {
1458                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1459                 // to avoid clamping interfering with strange shadow volume
1460                 // drawing orders
1461                 qglClearStencil(128);CHECKGLERROR
1462         }
1463         // clear the screen
1464         if (r_render.integer)
1465                 GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
1466         // set dithering mode
1467         if (gl_dither.integer)
1468         {
1469                 qglEnable(GL_DITHER);CHECKGLERROR
1470         }
1471         else
1472         {
1473                 qglDisable(GL_DITHER);CHECKGLERROR
1474         }
1475 }
1476
1477 qboolean CL_VM_UpdateView (void);
1478 void SCR_DrawConsole (void);
1479 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1480
1481 int r_stereo_side;
1482
1483 void SCR_DrawScreen (void)
1484 {
1485         R_Mesh_Start();
1486
1487         R_TimeReport_BeginFrame();
1488
1489         R_UpdateVariables();
1490
1491         // Quake uses clockwise winding, so these are swapped
1492         r_refdef.view.cullface_front = GL_BACK;
1493         r_refdef.view.cullface_back = GL_FRONT;
1494
1495         if (cls.signon == SIGNONS)
1496         {
1497                 float size;
1498
1499                 size = scr_viewsize.value * (1.0 / 100.0);
1500                 size = min(size, 1);
1501
1502                 if (r_stereo_sidebyside.integer)
1503                 {
1504                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1505                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1506                         r_refdef.view.depth = 1;
1507                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1508                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1509                         r_refdef.view.z = 0;
1510                         if (r_stereo_side)
1511                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1512                 }
1513                 else
1514                 {
1515                         r_refdef.view.width = (int)(vid.width * size);
1516                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1517                         r_refdef.view.depth = 1;
1518                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1519                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1520                         r_refdef.view.z = 0;
1521                 }
1522
1523                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1524                 // LordHavoc: this is designed to produce widescreen fov values
1525                 // when the screen is wider than 4/3 width/height aspect, to do
1526                 // this it simply assumes the requested fov is the vertical fov
1527                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1528                 // higher/lower according to the ratio
1529                 r_refdef.view.useperspective = true;
1530                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1531                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1532
1533                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1534                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1535
1536                 if(!CL_VM_UpdateView())
1537                         R_RenderView();
1538
1539                 if (scr_zoomwindow.integer)
1540                 {
1541                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1542                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1543                         r_refdef.view.width = (int)(vid.width * sizex);
1544                         r_refdef.view.height = (int)(vid.height * sizey);
1545                         r_refdef.view.depth = 1;
1546                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1547                         r_refdef.view.y = 0;
1548                         r_refdef.view.z = 0;
1549
1550                         r_refdef.view.useperspective = true;
1551                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1552                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1553
1554                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1555                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1556
1557                         if(!CL_VM_UpdateView())
1558                                 R_RenderView();
1559                 }
1560         }
1561
1562         if (!r_stereo_sidebyside.integer)
1563         {
1564                 r_refdef.view.width = vid.width;
1565                 r_refdef.view.height = vid.height;
1566                 r_refdef.view.depth = 1;
1567                 r_refdef.view.x = 0;
1568                 r_refdef.view.y = 0;
1569                 r_refdef.view.z = 0;
1570                 r_refdef.view.useperspective = false;
1571         }
1572
1573         // draw 2D stuff
1574         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1575                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1576                         Con_DrawNotify ();      // only draw notify in game
1577
1578         if (cls.signon == SIGNONS)
1579         {
1580                 SCR_DrawNet ();
1581                 SCR_DrawTurtle ();
1582                 SCR_DrawPause ();
1583                 if (!r_letterbox.value)
1584                         Sbar_Draw();
1585                 SHOWLMP_drawall();
1586                 SCR_CheckDrawCenterString();
1587         }
1588         SCR_DrawNetGraph ();
1589         MR_Draw();
1590         CL_DrawVideo();
1591         R_Shadow_EditLights_DrawSelectedLightProperties();
1592
1593         SCR_DrawConsole();
1594
1595         SCR_DrawBrand();
1596
1597         SCR_DrawInfobar();
1598
1599         if (r_timereport_active)
1600                 R_TimeReport("2d");
1601
1602         if (cls.signon == SIGNONS)
1603                 R_TimeReport_EndFrame();
1604
1605         DrawQ_Finish();
1606
1607         R_DrawGamma();
1608
1609         R_Mesh_Finish();
1610 }
1611
1612 typedef struct loadingscreenstack_s
1613 {
1614         struct loadingscreenstack_s *prev;
1615         char msg[MAX_QPATH];
1616         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1617         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1618         float relative_completion; // 0 .. 1
1619 }
1620 loadingscreenstack_t;
1621 static loadingscreenstack_t *loadingscreenstack = NULL;
1622
1623 void SCR_PushLoadingScreen (const char *msg, float len_in_parent)
1624 {
1625         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1626         s->prev = loadingscreenstack;
1627         loadingscreenstack = s;
1628
1629         strlcpy(s->msg, msg, sizeof(s->msg));
1630         s->relative_completion = 0;
1631
1632         if(s->prev)
1633         {
1634                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1635                 s->absolute_loading_amount_len =                                        s->prev->absolute_loading_amount_len * len_in_parent;
1636         }
1637         else
1638         {
1639                 s->absolute_loading_amount_min = 0;
1640                 s->absolute_loading_amount_len = 1;
1641         }
1642
1643         SCR_UpdateLoadingScreen(true);
1644 }
1645
1646 void SCR_PopLoadingScreen ()
1647 {
1648         loadingscreenstack_t *s = loadingscreenstack;
1649         loadingscreenstack = s->prev;
1650         if(s->prev)
1651                 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;
1652         Z_Free(s);
1653         SCR_UpdateLoadingScreen(true);
1654 }
1655
1656 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y)
1657 {
1658         float size = 8;
1659         float x;
1660         size_t len;
1661         float total;
1662
1663         total = 0;
1664         if(s)
1665         {
1666                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1667                 {
1668                         len = strlen(s->msg);
1669                         x = (vid_conwidth.integer - DrawQ_TextWidth_Font(s->msg, len, true, FONT_INFOBAR) * size) / 2;
1670                         y -= size;
1671                         DrawQ_String_Font(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1672                         total += size;
1673                 }
1674                 total += SCR_DrawLoadingStack_r(s->prev, y);
1675         }
1676         return total;
1677 }
1678
1679 static void SCR_DrawLoadingStack()
1680 {
1681         float height;
1682         height = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer);
1683         if(loadingscreenstack)
1684         {
1685                 height = 32; // sorry, using the normal one is ugly
1686                 DrawQ_Fill((vid_conwidth.integer + 2) * loadingscreenstack->absolute_loading_amount_min - 2, vid_conheight.integer - height, 2, height, 1, 0, 0, 1, DRAWFLAG_ADDITIVE);
1687         }
1688 }
1689
1690 void SCR_UpdateLoadingScreen (qboolean clear)
1691 {
1692         float x, y;
1693         cachepic_t *pic;
1694         float vertex3f[12];
1695         float texcoord2f[8];
1696
1697         // don't do anything if not initialized yet
1698         if (vid_hidden || !scr_refresh.integer)
1699                 return;
1700         // release mouse grab while loading
1701         if (!vid.fullscreen)
1702                 VID_SetMouse(false, false, false);
1703         CHECKGLERROR
1704         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
1705         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1706         //qglDepthMask(1);CHECKGLERROR
1707         qglColorMask(1,1,1,1);CHECKGLERROR
1708         qglClearColor(0,0,0,0);CHECKGLERROR
1709         // when starting up a new video mode, make sure the screen is cleared to black
1710         if (clear)
1711         {
1712                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1713         }
1714         //qglDisable(GL_CULL_FACE);CHECKGLERROR
1715         //R_ClearScreen();
1716         R_Textures_Frame();
1717         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
1718         R_Mesh_Start();
1719         R_Mesh_Matrix(&identitymatrix);
1720         // draw the loading plaque
1721         pic = Draw_CachePic ("gfx/loading");
1722         x = (vid_conwidth.integer - pic->width)/2;
1723         y = (vid_conheight.integer - pic->height)/2;
1724         GL_Color(1,1,1,1);
1725         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1726         GL_DepthRange(0, 1);
1727         GL_PolygonOffset(0, 0);
1728         GL_DepthTest(false);
1729         R_Mesh_VertexPointer(vertex3f, 0, 0);
1730         R_Mesh_ColorPointer(NULL, 0, 0);
1731         R_Mesh_ResetTextureState();
1732         R_Mesh_TexBind(0, R_GetTexture(pic->tex));
1733         R_Mesh_TexCoordPointer(0, 2, texcoord2f, 0, 0);
1734         R_SetupGenericShader(true);
1735         vertex3f[2] = vertex3f[5] = vertex3f[8] = vertex3f[11] = 0;
1736         vertex3f[0] = vertex3f[9] = x;
1737         vertex3f[1] = vertex3f[4] = y;
1738         vertex3f[3] = vertex3f[6] = x + pic->width;
1739         vertex3f[7] = vertex3f[10] = y + pic->height;
1740         texcoord2f[0] = 0;texcoord2f[1] = 0;
1741         texcoord2f[2] = 1;texcoord2f[3] = 0;
1742         texcoord2f[4] = 1;texcoord2f[5] = 1;
1743         texcoord2f[6] = 0;texcoord2f[7] = 1;
1744
1745         if (vid.stereobuffer)
1746         {
1747                 qglDrawBuffer(GL_FRONT_LEFT);
1748                 R_Mesh_Draw(0, 4, 0, 2, NULL, polygonelements, 0, 0);
1749                 SCR_DrawLoadingStack();
1750                 qglDrawBuffer(GL_FRONT_RIGHT);
1751                 R_Mesh_Draw(0, 4, 0, 2, NULL, polygonelements, 0, 0);
1752                 SCR_DrawLoadingStack();
1753         }
1754         else
1755         {
1756                 qglDrawBuffer(GL_FRONT);
1757                 R_Mesh_Draw(0, 4, 0, 2, NULL, polygonelements, 0, 0);
1758                 SCR_DrawLoadingStack();
1759         }
1760         R_Mesh_Finish();
1761         // refresh
1762         // not necessary when rendering to GL_FRONT buffers
1763         //VID_Finish();
1764         // however this IS necessary on Windows Vista
1765         qglFinish();
1766 }
1767
1768 extern cvar_t cl_minfps;
1769 extern cvar_t cl_minfps_fade;
1770 extern cvar_t cl_minfps_qualitymax;
1771 extern cvar_t cl_minfps_qualitymin;
1772 extern cvar_t cl_minfps_qualitypower;
1773 extern cvar_t cl_minfps_qualityscale;
1774 static double cl_updatescreen_rendertime = 0;
1775 static double cl_updatescreen_quality = 1;
1776 void CL_UpdateScreen(void)
1777 {
1778         double rendertime1;
1779         float conwidth, conheight;
1780
1781         if (!scr_initialized || !con_initialized)
1782                 return;                         // not initialized yet
1783
1784         if(gamemode == GAME_NEXUIZ)
1785         {
1786                 // play a bit with the palette (experimental)
1787                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1) + 0*M_PI/3));
1788                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1) + 2*M_PI/3));
1789                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1) + 4*M_PI/3));
1790                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5*M_PI/3));
1791                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3*M_PI/3));
1792                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1*M_PI/3));
1793                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
1794                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
1795         }
1796
1797         if (vid_hidden || !scr_refresh.integer)
1798                 return;
1799
1800         rendertime1 = Sys_DoubleTime();
1801
1802         conwidth = bound(320, vid_conwidth.value, 2048);
1803         conheight = bound(200, vid_conheight.value, 1536);
1804         if (vid_conwidth.value != conwidth)
1805                 Cvar_SetValue("vid_conwidth", conwidth);
1806         if (vid_conheight.value != conheight)
1807                 Cvar_SetValue("vid_conheight", conheight);
1808
1809         // bound viewsize
1810         if (scr_viewsize.value < 30)
1811                 Cvar_Set ("viewsize","30");
1812         if (scr_viewsize.value > 120)
1813                 Cvar_Set ("viewsize","120");
1814
1815         // bound field of view
1816         if (scr_fov.value < 1)
1817                 Cvar_Set ("fov","1");
1818         if (scr_fov.value > 170)
1819                 Cvar_Set ("fov","170");
1820
1821         // validate r_textureunits cvar
1822         if (r_textureunits.integer > gl_textureunits)
1823                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
1824         if (r_textureunits.integer < 1)
1825                 Cvar_SetValueQuick(&r_textureunits, 1);
1826
1827         // validate gl_combine cvar
1828         if (gl_combine.integer && !gl_combine_extension)
1829                 Cvar_SetValueQuick(&gl_combine, 0);
1830
1831         // intermission is always full screen
1832         if (cl.intermission)
1833                 sb_lines = 0;
1834         else
1835         {
1836                 if (scr_viewsize.value >= 120)
1837                         sb_lines = 0;           // no status bar at all
1838                 else if (scr_viewsize.value >= 110)
1839                         sb_lines = 24;          // no inventory
1840                 else
1841                         sb_lines = 24+16+8;
1842         }
1843
1844         r_refdef.view.colormask[0] = 1;
1845         r_refdef.view.colormask[1] = 1;
1846         r_refdef.view.colormask[2] = 1;
1847
1848         SCR_SetUpToDrawConsole();
1849
1850         CHECKGLERROR
1851         qglDrawBuffer(GL_BACK);CHECKGLERROR
1852         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
1853         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1854         qglDepthMask(1);CHECKGLERROR
1855         qglColorMask(1,1,1,1);CHECKGLERROR
1856         qglClearColor(0,0,0,0);CHECKGLERROR
1857         R_ClearScreen(false);
1858         r_refdef.view.clear = false;
1859         r_refdef.view.isoverlay = false;
1860         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);
1861
1862         if(scr_stipple.integer)
1863         {
1864                 GLubyte stipple[128];
1865                 int i, s, width, parts;
1866                 static int frame = 0;
1867                 ++frame;
1868
1869                 s = scr_stipple.integer;
1870                 parts = (s & 007);
1871                 width = (s & 070) >> 3;
1872
1873                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
1874                 for(i = 0; i < 128; ++i)
1875                 {
1876                         int line = i/4;
1877                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
1878                 }
1879                 qglPolygonStipple(stipple);
1880         }
1881         else
1882                 qglDisable(GL_POLYGON_STIPPLE);
1883
1884         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
1885         {
1886                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
1887                 matrix4x4_t offsetmatrix;
1888                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
1889                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
1890
1891                 if (r_stereo_sidebyside.integer)
1892                         r_stereo_side = 0;
1893
1894                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
1895                 {
1896                         r_refdef.view.colormask[0] = 1;
1897                         r_refdef.view.colormask[1] = 0;
1898                         r_refdef.view.colormask[2] = 0;
1899                 }
1900
1901                 if (vid.stereobuffer)
1902                         qglDrawBuffer(GL_BACK_RIGHT);
1903
1904                 SCR_DrawScreen();
1905
1906                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
1907                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
1908
1909                 if (r_stereo_sidebyside.integer)
1910                         r_stereo_side = 1;
1911
1912                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
1913                 {
1914                         r_refdef.view.colormask[0] = 0;
1915                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
1916                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
1917                 }
1918
1919                 if (vid.stereobuffer)
1920                         qglDrawBuffer(GL_BACK_LEFT);
1921
1922                 SCR_DrawScreen();
1923
1924                 r_refdef.view.matrix = originalmatrix;
1925         }
1926         else
1927                 SCR_DrawScreen();
1928
1929         SCR_CaptureVideo();
1930
1931         // quality adjustment according to render time
1932         qglFlush();
1933         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
1934         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
1935                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
1936         else
1937                 cl_updatescreen_quality = 1;
1938
1939         if (!vid_activewindow)
1940                 VID_SetMouse(false, false, false);
1941         else if (key_consoleactive)
1942                 VID_SetMouse(vid.fullscreen, false, false);
1943         else if (key_dest == key_menu_grabbed)
1944                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
1945         else if (key_dest == key_menu)
1946                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
1947         else
1948                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
1949
1950         VID_Finish();
1951 }
1952
1953 void CL_Screen_NewMap(void)
1954 {
1955 }