cl_screen.c

   1
   2 #include "quakedef.h"
   3 #include "cl_video.h"
   4 #include "image.h"
   5 #include "jpeg.h"
   6 #include "cl_collision.h"
   7 #include "libcurl.h"
   8 #include "csprogs.h"
   9
  10 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
  11 #include "snd_main.h"
  12
  13 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
  14 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
  15 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background"};
  16 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
  17 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
  18 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
  19 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
  20 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
  21 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
  22 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
  23 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
  24 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
  25 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
  26 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
  27 cvar_t vid_pixelheight = {CVAR_SAVE, "vid_pixelheight", "1", "adjusts vertical field of vision to account for non-square pixels (1280x1024 on a CRT monitor for example)"};
  28 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
  29 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
  30 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
  31 // scr_screenshot_name is defined in fs.c
  32 cvar_t cl_capturevideo = {0, "cl_capturevideo", "0", "enables saving of video to a .avi file using uncompressed I420 colorspace and PCM audio, note that scr_screenshot_gammaboost affects the brightness of the output)"};
  33 cvar_t cl_capturevideo_width = {0, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
  34 cvar_t cl_capturevideo_height = {0, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
  35 cvar_t cl_capturevideo_realtime = {0, "cl_capturevideo_realtime", "0", "causes video saving to operate in realtime (mostly useful while playing, not while capturing demos), this can produce a much lower quality video due to poor sound/video sync and will abort saving if your machine stalls for over 1 second"};
  36 cvar_t cl_capturevideo_fps = {0, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
  37 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
  38 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)"};
  39 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)"};
  40 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)"};
  41 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)"};
  42 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"};
  43 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  44 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)"};
  45 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
  46 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
  47 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
  48 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
  49 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
  50 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  51 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)"};
  52
  53 #define AVI_MASTER_INDEX_SIZE 640 // GB ought to be enough for anyone
  54
  55 int jpeg_supported = false;
  56
  57 qboolean        scr_initialized;                // ready to draw
  58
  59 float           scr_con_current;
  60 int                     scr_con_margin_bottom;
  61
  62 extern int      con_vislines;
  63
  64 static void SCR_ScreenShot_f (void);
  65 static void R_Envmap_f (void);
  66
  67 // backend
  68 void R_ClearScreen(void);
  69
  70 /*
  71 ===============================================================================
  72
  73 CENTER PRINTING
  74
  75 ===============================================================================
  76 */
  77
  78 char            scr_centerstring[MAX_INPUTLINE];
  79 float           scr_centertime_start;   // for slow victory printing
  80 float           scr_centertime_off;
  81 int                     scr_center_lines;
  82 int                     scr_erase_lines;
  83 int                     scr_erase_center;
  84
  85 /*
  86 ==============
  87 SCR_CenterPrint
  88
  89 Called for important messages that should stay in the center of the screen
  90 for a few moments
  91 ==============
  92 */
  93 void SCR_CenterPrint(char *str)
  94 {
  95         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
  96         scr_centertime_off = scr_centertime.value;
  97         scr_centertime_start = cl.time;
  98
  99 // count the number of lines for centering
 100         scr_center_lines = 1;
 101         while (*str)
 102         {
 103                 if (*str == '\n')
 104                         scr_center_lines++;
 105                 str++;
 106         }
 107 }
 108
 109
 110 void SCR_DrawCenterString (void)
 111 {
 112         char    *start;
 113         int             x, y;
 114         int             remaining;
 115         int             color;
 116
 117         if(cl.intermission == 2) // in finale,
 118                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 119                         return;
 120
 121 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 122         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 123                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 124         else
 125                 remaining = 9999;
 126
 127         scr_erase_center = 0;
 128         start = scr_centerstring;
 129
 130         if (remaining < 1)
 131                 return;
 132
 133         if (scr_center_lines <= 4)
 134                 y = (int)(vid_conheight.integer*0.35);
 135         else
 136                 y = 48;
 137
 138         color = -1;
 139         do
 140         {
 141                 // scan the number of characters on the line, not counting color codes
 142                 char *newline = strchr(start, '\n');
 143                 int l = newline ? (newline - start) : (int)strlen(start);
 144                 float width = DrawQ_TextWidth_Font(start, l, 8, 8, false, FONT_CENTERPRINT);
 145
 146                 x = (vid_conwidth.integer - width)/2;
 147                 if (l > 0)
 148                 {
 149                         if (remaining < l)
 150                                 l = remaining;
 151                         DrawQ_String_Font(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 152                         remaining -= l;
 153                         if (remaining <= 0)
 154                                 return;
 155                 }
 156                 y += 8;
 157
 158                 if (!newline)
 159                         break;
 160                 start = newline + 1; // skip the \n
 161         } while (1);
 162 }
 163
 164 void SCR_CheckDrawCenterString (void)
 165 {
 166         if (scr_center_lines > scr_erase_lines)
 167                 scr_erase_lines = scr_center_lines;
 168
 169         if (cl.time > cl.oldtime)
 170                 scr_centertime_off -= cl.time - cl.oldtime;
 171
 172         // don't draw if this is a normal stats-screen intermission,
 173         // only if it is not an intermission, or a finale intermission
 174         if (cl.intermission == 1)
 175                 return;
 176         if (scr_centertime_off <= 0 && !cl.intermission)
 177                 return;
 178         if (key_dest != key_game)
 179                 return;
 180
 181         SCR_DrawCenterString ();
 182 }
 183
 184 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])
 185 {
 186         int j, k, x, y, index, offset, height;
 187         // draw the bar graph itself
 188         // advance the packet counter because it is the latest packet column being
 189         // built up and should come last
 190         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 191         for (j = 0;j < NETGRAPH_PACKETS;j++)
 192         {
 193                 x = graphx + j * barwidth;
 194                 y = graphy + barheight;
 195                 index = (packetcounter + j) % NETGRAPH_PACKETS;
 196                 if (parameters[0][index] == NETGRAPH_LOSTPACKET)
 197                         DrawQ_Fill(x, y - barheight, barwidth, barheight, 1, 0, 0, 1, 0);
 198                 else if (parameters[0][index] == NETGRAPH_CHOKEDPACKET)
 199                         DrawQ_Fill(x, y - min(2, barheight), barwidth, min(2, barheight), 1, 1, 0, 1, 0);
 200                 else
 201                 {
 202                         offset = 0;
 203                         for (k = 0;k < numparameters;k++)
 204                         {
 205                                 height = (parameters[k][index] + bardivide - 1) / bardivide;
 206                                 height = min(height, barheight - offset);
 207                                 offset += height;
 208                                 if (height)
 209                                         DrawQ_Fill(x, y - offset, barwidth, height, parametercolors[k][0], parametercolors[k][1], parametercolors[k][2], parametercolors[k][3], 0);
 210                         }
 211                 }
 212         }
 213 }
 214
 215 const float netgraphcolors[3][4] =
 216 {
 217         {1  , 0.5, 0  , 1},
 218         {1  , 1  , 1  , 1},
 219         {0  , 1  , 0  , 1},
 220 };
 221
 222 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)
 223 {
 224         int numparameters;
 225         const int *parameters[3];
 226         // dim background
 227         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 228         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 229         // draw the bar graphs
 230         numparameters = 3;
 231         parameters[0] = conn->incoming_unreliablesize;
 232         parameters[1] = conn->incoming_reliablesize;
 233         parameters[2] = conn->incoming_acksize;
 234         SCR_DrawNetGraph_DrawGraph(graphx, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 235         parameters[0] = conn->outgoing_unreliablesize;
 236         parameters[1] = conn->outgoing_reliablesize;
 237         parameters[2] = conn->outgoing_acksize;
 238         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 239         // draw labels
 240         DrawQ_String(graphx                                          , graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 241         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 242 }
 243
 244 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)
 245 {
 246         int numparameters;
 247         const int *parameters[3];
 248         // dim background
 249         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 250         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 251         // draw the bar graphs
 252         numparameters = 3;
 253         parameters[0] = conn->outgoing_unreliablesize;
 254         parameters[1] = conn->outgoing_reliablesize;
 255         parameters[2] = conn->outgoing_acksize;
 256         SCR_DrawNetGraph_DrawGraph(graphx                                          , graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 257         parameters[0] = conn->incoming_unreliablesize;
 258         parameters[1] = conn->incoming_reliablesize;
 259         parameters[2] = conn->incoming_acksize;
 260         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 261         // draw labels
 262         DrawQ_String(graphx                                          , graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 263         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 264 }
 265
 266 /*
 267 ==============
 268 SCR_DrawNetGraph
 269 ==============
 270 */
 271 void SCR_DrawNetGraph (void)
 272 {
 273         int i, separator1, separator2, barwidth, barheight, bardivide, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 274
 275         if (cls.state != ca_connected)
 276                 return;
 277         if (!cls.netcon)
 278                 return;
 279         if (!shownetgraph.integer)
 280                 return;
 281
 282         separator1 = 2;
 283         separator2 = 4;
 284         textsize = 8;
 285         barwidth = 1;
 286         barheight = 50;
 287         bardivide = 20;
 288
 289         netgraphsperrow = (vid_conwidth.integer + separator2) / (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 290         netgraphsperrow = max(netgraphsperrow, 1);
 291
 292         index = 0;
 293         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 294         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 295         SCR_DrawNetGraph_DrawConnection_Client(cls.netcon, netgraph_x, netgraph_y, barwidth, barheight, bardivide, "incoming", separator1, "outgoing", textsize);
 296         index++;
 297
 298         if (sv.active && shownetgraph.integer >= 2)
 299         {
 300                 for (i = 0;i < svs.maxclients;i++)
 301                 {
 302                         if (!svs.clients[i].netconnection)
 303                                 continue;
 304                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 305                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 306                         SCR_DrawNetGraph_DrawConnection_Server(svs.clients[i].netconnection, netgraph_x, netgraph_y, barwidth, barheight, bardivide, va("%s", svs.clients[i].name), separator1, "", textsize);
 307                         index++;
 308                 }
 309         }
 310 }
 311
 312 /*
 313 ==============
 314 SCR_DrawTurtle
 315 ==============
 316 */
 317 void SCR_DrawTurtle (void)
 318 {
 319         static int      count;
 320
 321         if (cls.state != ca_connected)
 322                 return;
 323
 324         if (!scr_showturtle.integer)
 325                 return;
 326
 327         if (cl.realframetime < 0.1)
 328         {
 329                 count = 0;
 330                 return;
 331         }
 332
 333         count++;
 334         if (count < 3)
 335                 return;
 336
 337         DrawQ_Pic (0, 0, Draw_CachePic("gfx/turtle", true), 0, 0, 1, 1, 1, 1, 0);
 338 }
 339
 340 /*
 341 ==============
 342 SCR_DrawNet
 343 ==============
 344 */
 345 void SCR_DrawNet (void)
 346 {
 347         if (cls.state != ca_connected)
 348                 return;
 349         if (realtime - cl.last_received_message < 0.3)
 350                 return;
 351         if (cls.demoplayback)
 352                 return;
 353
 354         DrawQ_Pic (64, 0, Draw_CachePic("gfx/net", true), 0, 0, 1, 1, 1, 1, 0);
 355 }
 356
 357 /*
 358 ==============
 359 DrawPause
 360 ==============
 361 */
 362 void SCR_DrawPause (void)
 363 {
 364         cachepic_t      *pic;
 365
 366         if (cls.state != ca_connected)
 367                 return;
 368
 369         if (!scr_showpause.integer)             // turn off for screenshots
 370                 return;
 371
 372         if (!cl.paused)
 373                 return;
 374
 375         pic = Draw_CachePic ("gfx/pause", true);
 376         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 377 }
 378
 379 /*
 380 ==============
 381 SCR_DrawBrand
 382 ==============
 383 */
 384 void SCR_DrawBrand (void)
 385 {
 386         cachepic_t      *pic;
 387         float           x, y;
 388
 389         if (!scr_showbrand.value)
 390                 return;
 391
 392         pic = Draw_CachePic ("gfx/brand", true);
 393
 394         switch ((int)scr_showbrand.value)
 395         {
 396         case 1: // bottom left
 397                 x = 0;
 398                 y = vid_conheight.integer - pic->height;
 399                 break;
 400         case 2: // bottom centre
 401                 x = (vid_conwidth.integer - pic->width) / 2;
 402                 y = vid_conheight.integer - pic->height;
 403                 break;
 404         case 3: // bottom right
 405                 x = vid_conwidth.integer - pic->width;
 406                 y = vid_conheight.integer - pic->height;
 407                 break;
 408         case 4: // centre right
 409                 x = vid_conwidth.integer - pic->width;
 410                 y = (vid_conheight.integer - pic->height) / 2;
 411                 break;
 412         case 5: // top right
 413                 x = vid_conwidth.integer - pic->width;
 414                 y = 0;
 415                 break;
 416         case 6: // top centre
 417                 x = (vid_conwidth.integer - pic->width) / 2;
 418                 y = 0;
 419                 break;
 420         case 7: // top left
 421                 x = 0;
 422                 y = 0;
 423                 break;
 424         case 8: // centre left
 425                 x = 0;
 426                 y = (vid_conheight.integer - pic->height) / 2;
 427                 break;
 428         default:
 429                 return;
 430         }
 431
 432         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 433 }
 434
 435 /*
 436 ==============
 437 SCR_DrawQWDownload
 438 ==============
 439 */
 440 static int SCR_DrawQWDownload(int offset)
 441 {
 442         // sync with SCR_DownloadHeight
 443         int len;
 444         float x, y;
 445         float size = 8;
 446         char temp[256];
 447
 448         if (!cls.qw_downloadname[0])
 449         {
 450                 cls.qw_downloadspeedrate = 0;
 451                 cls.qw_downloadspeedtime = realtime;
 452                 cls.qw_downloadspeedcount = 0;
 453                 return 0;
 454         }
 455         if (realtime >= cls.qw_downloadspeedtime + 1)
 456         {
 457                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 458                 cls.qw_downloadspeedtime = realtime;
 459                 cls.qw_downloadspeedcount = 0;
 460         }
 461         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 462                 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);
 463         else
 464                 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);
 465         len = (int)strlen(temp);
 466         x = (vid_conwidth.integer - DrawQ_TextWidth_Font(temp, len, size, size, 0, FONT_INFOBAR)) / 2;
 467         y = vid_conheight.integer - size - offset;
 468         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 469         DrawQ_String_Font(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 470         return 8;
 471 }
 472
 473 /*
 474 ==============
 475 SCR_DrawCurlDownload
 476 ==============
 477 */
 478 static int SCR_DrawCurlDownload(int offset)
 479 {
 480         // sync with SCR_DownloadHeight
 481         int len;
 482         int nDownloads;
 483         int i;
 484         float x, y;
 485         float size = 8;
 486         Curl_downloadinfo_t *downinfo;
 487         char temp[256];
 488         const char *addinfo;
 489
 490         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 491         if(!downinfo)
 492                 return 0;
 493
 494         y = vid_conheight.integer - size * nDownloads - offset;
 495
 496         if(addinfo)
 497         {
 498                 len = (int)strlen(addinfo);
 499                 x = (vid_conwidth.integer - DrawQ_TextWidth_Font(addinfo, len, size, size, false, FONT_INFOBAR)) / 2;
 500                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 501                 DrawQ_String_Font(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 502         }
 503
 504         for(i = 0; i != nDownloads; ++i)
 505         {
 506                 if(downinfo[i].queued)
 507                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
 508                 else if(downinfo[i].progress <= 0)
 509                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
 510                 else
 511                         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);
 512                 len = (int)strlen(temp);
 513                 x = (vid_conwidth.integer - DrawQ_TextWidth_Font(temp, len, size, size, false, FONT_INFOBAR)) / 2;
 514                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 515                 DrawQ_String_Font(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 516         }
 517
 518         Z_Free(downinfo);
 519
 520         return 8 * (nDownloads + (addinfo ? 1 : 0));
 521 }
 522
 523 /*
 524 ==============
 525 SCR_DrawDownload
 526 ==============
 527 */
 528 static void SCR_DrawDownload()
 529 {
 530         int offset = 0;
 531         offset += SCR_DrawQWDownload(offset);
 532         offset += SCR_DrawCurlDownload(offset);
 533         if(offset != scr_con_margin_bottom)
 534                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 535 }
 536
 537 static int SCR_DownloadHeight()
 538 {
 539         int offset = 0;
 540         Curl_downloadinfo_t *downinfo;
 541         const char *addinfo;
 542         int nDownloads;
 543
 544         if(cls.qw_downloadname[0])
 545                 offset += 0;
 546
 547         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 548         if(downinfo)
 549         {
 550                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
 551                 Z_Free(downinfo);
 552         }
 553
 554         return offset;
 555 }
 556
 557 //=============================================================================
 558
 559 /*
 560 ==================
 561 SCR_SetUpToDrawConsole
 562 ==================
 563 */
 564 void SCR_SetUpToDrawConsole (void)
 565 {
 566         // lines of console to display
 567         float conlines;
 568         static int framecounter = 0;
 569
 570         Con_CheckResize ();
 571
 572         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 573         {
 574                 if (framecounter >= 2)
 575                         MR_ToggleMenu_f();
 576                 else
 577                         framecounter++;
 578         }
 579         else
 580                 framecounter = 0;
 581
 582         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 583                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 584         else
 585                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 586
 587 // decide on the height of the console
 588         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 589                 conlines = vid_conheight.integer/2;     // half screen
 590         else
 591                 conlines = 0;                           // none visible
 592
 593         scr_con_current = conlines;
 594 }
 595
 596 /*
 597 ==================
 598 SCR_DrawConsole
 599 ==================
 600 */
 601 void SCR_DrawConsole (void)
 602 {
 603         scr_con_margin_bottom = SCR_DownloadHeight();
 604         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 605         {
 606                 // full screen
 607                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 608         }
 609         else if (scr_con_current)
 610                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 611         else
 612                 con_vislines = 0;
 613 }
 614
 615 /*
 616 ===============
 617 SCR_BeginLoadingPlaque
 618
 619 ================
 620 */
 621 void SCR_BeginLoadingPlaque (void)
 622 {
 623         // save console log up to this point to log_file if it was set by configs
 624         Log_Start();
 625
 626         Host_StartVideo();
 627         SCR_UpdateLoadingScreen(false);
 628 }
 629
 630 //=============================================================================
 631
 632 char r_speeds_string[1024];
 633 int speedstringcount, r_timereport_active;
 634 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 635
 636 void R_TimeReport(char *desc)
 637 {
 638         char tempbuf[256];
 639         int length;
 640         int t;
 641
 642         if (r_speeds.integer < 2 || !r_timereport_active)
 643                 return;
 644
 645         CHECKGLERROR
 646         if (r_speeds.integer == 2)
 647                 qglFinish();
 648         CHECKGLERROR
 649         r_timereport_temp = r_timereport_current;
 650         r_timereport_current = Sys_DoubleTime();
 651         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 652
 653         dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %-11s", t, desc);
 654         length = (int)strlen(tempbuf);
 655         if (speedstringcount + length > (vid_conwidth.integer / 8))
 656         {
 657                 strlcat(r_speeds_string, "\n", sizeof(r_speeds_string));
 658                 speedstringcount = 0;
 659         }
 660         strlcat(r_speeds_string, tempbuf, sizeof(r_speeds_string));
 661         speedstringcount += length;
 662 }
 663
 664 void R_TimeReport_Frame(void)
 665 {
 666         int i, j, lines, y;
 667         cl_locnode_t *loc;
 668
 669         if (r_speeds_string[0])
 670         {
 671                 if (r_timereport_active)
 672                 {
 673                         r_timereport_current = r_timereport_start;
 674                         R_TimeReport("total");
 675                 }
 676
 677                 if (r_speeds_string[strlen(r_speeds_string)-1] == '\n')
 678                         r_speeds_string[strlen(r_speeds_string)-1] = 0;
 679                 lines = 1;
 680                 for (i = 0;r_speeds_string[i];i++)
 681                         if (r_speeds_string[i] == '\n')
 682                                 lines++;
 683                 y = vid_conheight.integer - sb_lines - lines * 8;
 684                 i = j = 0;
 685                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 686                 while (r_speeds_string[i])
 687                 {
 688                         j = i;
 689                         while (r_speeds_string[i] && r_speeds_string[i] != '\n')
 690                                 i++;
 691                         if (i - j > 0)
 692                                 DrawQ_String(0, y, r_speeds_string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true);
 693                         if (r_speeds_string[i] == '\n')
 694                                 i++;
 695                         y += 8;
 696                 }
 697                 r_speeds_string[0] = 0;
 698                 r_timereport_active = false;
 699         }
 700         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 701         {
 702                 speedstringcount = 0;
 703                 r_speeds_string[0] = 0;
 704                 r_timereport_active = false;
 705                 // put the location name in the r_speeds display as it greatly helps
 706                 // when creating loc files
 707                 loc = CL_Locs_FindNearest(cl.movement_origin);
 708                 if (loc)
 709                         sprintf(r_speeds_string + strlen(r_speeds_string), "Location: %s\n", loc->name);
 710                 sprintf(r_speeds_string + strlen(r_speeds_string), "org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n", r_view.origin[0], r_view.origin[1], r_view.origin[2], r_view.forward[0], r_view.forward[1], r_view.forward[2]);
 711                 sprintf(r_speeds_string + strlen(r_speeds_string), "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n", r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles);
 712                 sprintf(r_speeds_string + strlen(r_speeds_string), "%5ileafs%5i portals%6i particles%6i decals\n", r_refdef.stats.world_leafs, r_refdef.stats.world_portals, r_refdef.stats.particles, r_refdef.stats.decals);
 713                 sprintf(r_speeds_string + strlen(r_speeds_string), "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n", r_refdef.stats.lights, r_refdef.stats.lights_clears, r_refdef.stats.lights_scissored, r_refdef.stats.lights_lighttriangles, r_refdef.stats.lights_shadowtriangles, r_refdef.stats.lights_dynamicshadowtriangles);
 714                 if (r_refdef.stats.bloom)
 715                         sprintf(r_speeds_string + strlen(r_speeds_string), "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels);
 716                 else
 717                         sprintf(r_speeds_string + strlen(r_speeds_string), "rendered%6i meshes%8i triangles\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3);
 718
 719                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 720
 721                 if (r_speeds.integer >= 2)
 722                 {
 723                         r_timereport_active = true;
 724                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 725                 }
 726         }
 727 }
 728
 729 /*
 730 =================
 731 SCR_SizeUp_f
 732
 733 Keybinding command
 734 =================
 735 */
 736 void SCR_SizeUp_f (void)
 737 {
 738         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 739 }
 740
 741
 742 /*
 743 =================
 744 SCR_SizeDown_f
 745
 746 Keybinding command
 747 =================
 748 */
 749 void SCR_SizeDown_f (void)
 750 {
 751         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 752 }
 753
 754 void SCR_CaptureVideo_EndVideo(void);
 755 void CL_Screen_Shutdown(void)
 756 {
 757         SCR_CaptureVideo_EndVideo();
 758 }
 759
 760 void CL_Screen_Init(void)
 761 {
 762         Cvar_RegisterVariable (&scr_fov);
 763         Cvar_RegisterVariable (&scr_viewsize);
 764         Cvar_RegisterVariable (&scr_conalpha);
 765         Cvar_RegisterVariable (&scr_conbrightness);
 766         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 767         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 768         Cvar_RegisterVariable (&scr_showram);
 769         Cvar_RegisterVariable (&scr_showturtle);
 770         Cvar_RegisterVariable (&scr_showpause);
 771         Cvar_RegisterVariable (&scr_showbrand);
 772         Cvar_RegisterVariable (&scr_centertime);
 773         Cvar_RegisterVariable (&scr_printspeed);
 774         Cvar_RegisterVariable (&vid_conwidth);
 775         Cvar_RegisterVariable (&vid_conheight);
 776         Cvar_RegisterVariable (&vid_pixelheight);
 777         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 778         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 779         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 780         Cvar_RegisterVariable (&cl_capturevideo);
 781         Cvar_RegisterVariable (&cl_capturevideo_width);
 782         Cvar_RegisterVariable (&cl_capturevideo_height);
 783         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 784         Cvar_RegisterVariable (&cl_capturevideo_fps);
 785         Cvar_RegisterVariable (&cl_capturevideo_number);
 786         Cvar_RegisterVariable (&r_letterbox);
 787         Cvar_RegisterVariable(&r_stereo_separation);
 788         Cvar_RegisterVariable(&r_stereo_sidebyside);
 789         Cvar_RegisterVariable(&r_stereo_redblue);
 790         Cvar_RegisterVariable(&r_stereo_redcyan);
 791         Cvar_RegisterVariable(&r_stereo_redgreen);
 792         Cvar_RegisterVariable(&r_stereo_angle);
 793         Cvar_RegisterVariable(&scr_zoomwindow);
 794         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 795         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 796         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 797         Cvar_RegisterVariable(&scr_stipple);
 798         Cvar_RegisterVariable(&scr_refresh);
 799         Cvar_RegisterVariable(&shownetgraph);
 800
 801         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 802         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 803         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 804         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 805
 806         scr_initialized = true;
 807 }
 808
 809 /*
 810 ==================
 811 SCR_ScreenShot_f
 812 ==================
 813 */
 814 void SCR_ScreenShot_f (void)
 815 {
 816         static int shotnumber;
 817         static char oldname[MAX_QPATH];
 818         char base[MAX_QPATH];
 819         char filename[MAX_QPATH];
 820         unsigned char *buffer1;
 821         unsigned char *buffer2;
 822         unsigned char *buffer3;
 823         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 824
 825         sprintf (base, "screenshots/%s", scr_screenshot_name.string);
 826
 827         if (strcmp (oldname, scr_screenshot_name.string))
 828         {
 829                 sprintf(oldname, "%s", scr_screenshot_name.string);
 830                 shotnumber = 0;
 831         }
 832
 833         // find a file name to save it to
 834         for (;shotnumber < 1000000;shotnumber++)
 835                 if (!FS_SysFileExists(va("%s/%s%06d.tga", fs_gamedir, base, shotnumber)) && !FS_SysFileExists(va("%s/%s%06d.jpg", fs_gamedir, base, shotnumber)))
 836                         break;
 837         if (shotnumber >= 1000000)
 838         {
 839                 Con_Print("SCR_ScreenShot_f: Couldn't create the image file\n");
 840                 return;
 841         }
 842
 843         sprintf(filename, "%s%06d.%s", base, shotnumber, jpeg ? "jpg" : "tga");
 844
 845         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 846         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 847         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
 848
 849         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
 850                 Con_Printf("Wrote %s\n", filename);
 851         else
 852                 Con_Printf("unable to write %s\n", filename);
 853
 854         Mem_Free (buffer1);
 855         Mem_Free (buffer2);
 856         Mem_Free (buffer3);
 857
 858         shotnumber++;
 859 }
 860
 861 static void SCR_CaptureVideo_RIFF_Start(void)
 862 {
 863         memset(&cls.capturevideo.riffbuffer, 0, sizeof(sizebuf_t));
 864         cls.capturevideo.riffbuffer.maxsize = sizeof(cls.capturevideo.riffbufferdata);
 865         cls.capturevideo.riffbuffer.data = cls.capturevideo.riffbufferdata;
 866 }
 867
 868 static void SCR_CaptureVideo_RIFF_Flush(void)
 869 {
 870         if (cls.capturevideo.riffbuffer.cursize > 0)
 871         {
 872                 if (!FS_Write(cls.capturevideo.videofile, cls.capturevideo.riffbuffer.data, cls.capturevideo.riffbuffer.cursize))
 873                         cls.capturevideo.error = true;
 874                 cls.capturevideo.riffbuffer.cursize = 0;
 875                 cls.capturevideo.riffbuffer.overflowed = false;
 876         }
 877 }
 878
 879 static void SCR_CaptureVideo_RIFF_WriteBytes(const unsigned char *data, size_t size)
 880 {
 881         SCR_CaptureVideo_RIFF_Flush();
 882         if (!FS_Write(cls.capturevideo.videofile, data, size))
 883                 cls.capturevideo.error = true;
 884 }
 885
 886 static void SCR_CaptureVideo_RIFF_Write32(int n)
 887 {
 888         if (cls.capturevideo.riffbuffer.cursize + 4 > cls.capturevideo.riffbuffer.maxsize)
 889                 SCR_CaptureVideo_RIFF_Flush();
 890         MSG_WriteLong(&cls.capturevideo.riffbuffer, n);
 891 }
 892
 893 static void SCR_CaptureVideo_RIFF_Write16(int n)
 894 {
 895         if (cls.capturevideo.riffbuffer.cursize + 2 > cls.capturevideo.riffbuffer.maxsize)
 896                 SCR_CaptureVideo_RIFF_Flush();
 897         MSG_WriteShort(&cls.capturevideo.riffbuffer, n);
 898 }
 899
 900 static void SCR_CaptureVideo_RIFF_WriteFourCC(const char *chunkfourcc)
 901 {
 902         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(chunkfourcc) > cls.capturevideo.riffbuffer.maxsize)
 903                 SCR_CaptureVideo_RIFF_Flush();
 904         MSG_WriteUnterminatedString(&cls.capturevideo.riffbuffer, chunkfourcc);
 905 }
 906
 907 static void SCR_CaptureVideo_RIFF_WriteTerminatedString(const char *string)
 908 {
 909         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(string) > cls.capturevideo.riffbuffer.maxsize)
 910                 SCR_CaptureVideo_RIFF_Flush();
 911         MSG_WriteString(&cls.capturevideo.riffbuffer, string);
 912 }
 913
 914 static fs_offset_t SCR_CaptureVideo_RIFF_GetPosition(void)
 915 {
 916         SCR_CaptureVideo_RIFF_Flush();
 917         return FS_Tell(cls.capturevideo.videofile);
 918 }
 919
 920 static void SCR_CaptureVideo_RIFF_Push(const char *chunkfourcc, const char *listtypefourcc)
 921 {
 922         SCR_CaptureVideo_RIFF_WriteFourCC(chunkfourcc);
 923         SCR_CaptureVideo_RIFF_Write32(0);
 924         SCR_CaptureVideo_RIFF_Flush();
 925         cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel++] = SCR_CaptureVideo_RIFF_GetPosition();
 926         if (listtypefourcc)
 927                 SCR_CaptureVideo_RIFF_WriteFourCC(listtypefourcc);
 928 }
 929
 930 static void SCR_CaptureVideo_RIFF_Pop(void)
 931 {
 932         fs_offset_t offset;
 933         int x;
 934         unsigned char sizebytes[4];
 935         // write out the chunk size and then return to the current file position
 936         cls.capturevideo.riffstacklevel--;
 937         offset = SCR_CaptureVideo_RIFF_GetPosition();
 938         x = (int)(offset - (cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel]));
 939         sizebytes[0] = (x) & 0xff;sizebytes[1] = (x >> 8) & 0xff;sizebytes[2] = (x >> 16) & 0xff;sizebytes[3] = (x >> 24) & 0xff;
 940         FS_Seek(cls.capturevideo.videofile, -(x + 4), SEEK_END);
 941         FS_Write(cls.capturevideo.videofile, sizebytes, 4);
 942         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
 943         if (offset & 1)
 944         {
 945                 unsigned char c = 0;
 946                 FS_Write(cls.capturevideo.videofile, &c, 1);
 947         }
 948 }
 949
 950 static void GrowBuf(sizebuf_t *buf, int extralen)
 951 {
 952         if(buf->cursize + extralen > buf->maxsize)
 953         {
 954                 int oldsize = buf->maxsize;
 955                 unsigned char *olddata;
 956                 olddata = buf->data;
 957                 buf->maxsize = max(buf->maxsize * 2, 4096);
 958                 buf->data = Mem_Alloc(tempmempool, buf->maxsize);
 959                 if(olddata)
 960                 {
 961                         memcpy(buf->data, olddata, oldsize);
 962                         Mem_Free(olddata);
 963                 }
 964         }
 965 }
 966
 967 static void SCR_CaptureVideo_RIFF_IndexEntry(const char *chunkfourcc, int chunksize, int flags)
 968 {
 969         if (cls.capturevideo.riffstacklevel != 2)
 970                 Sys_Error("SCR_Capturevideo_RIFF_IndexEntry: RIFF stack level is %i (should be 2)\n", cls.capturevideo.riffstacklevel);
 971         GrowBuf(&cls.capturevideo.riffindexbuffer, 16);
 972         SCR_CaptureVideo_RIFF_Flush();
 973         MSG_WriteUnterminatedString(&cls.capturevideo.riffindexbuffer, chunkfourcc);
 974         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, flags);
 975         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, (int)FS_Tell(cls.capturevideo.videofile) - cls.capturevideo.riffstackstartoffset[1]);
 976         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, chunksize);
 977 }
 978
 979 static void SCR_CaptureVideo_RIFF_MakeIxChunk(const char *fcc, const char *dwChunkId, fs_offset_t masteridx_counter, int *masteridx_count, fs_offset_t masteridx_start)
 980 {
 981         int nMatching;
 982         int i;
 983         fs_offset_t ix = SCR_CaptureVideo_RIFF_GetPosition();
 984         fs_offset_t pos;
 985
 986         if(*masteridx_count >= AVI_MASTER_INDEX_SIZE)
 987                 return;
 988
 989         nMatching = 0; // go through index and enumerate them
 990         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
 991                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
 992                         ++nMatching;
 993
 994         SCR_CaptureVideo_RIFF_Push(fcc, NULL);
 995         SCR_CaptureVideo_RIFF_Write16(2); // wLongsPerEntry
 996         SCR_CaptureVideo_RIFF_Write16(0x0100); // bIndexType=1, bIndexSubType=0
 997         SCR_CaptureVideo_RIFF_Write32(nMatching); // nEntriesInUse
 998         SCR_CaptureVideo_RIFF_WriteFourCC(dwChunkId); // dwChunkId
 999         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.videofile_ix_movistart & (fs_offset_t) 0xFFFFFFFFu);
1000         SCR_CaptureVideo_RIFF_Write32(((fs_offset_t) cls.capturevideo.videofile_ix_movistart) >> 32);
1001         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved
1002
1003         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
1004                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
1005                 {
1006                         unsigned int *p = (unsigned int *) (cls.capturevideo.riffindexbuffer.data + i);
1007                         unsigned int flags = p[1];
1008                         unsigned int rpos = p[2];
1009                         unsigned int size = p[3];
1010                         size &= ~0x80000000;
1011                         if(!(flags & 0x10)) // no keyframe?
1012                                 size |= 0x80000000;
1013                         SCR_CaptureVideo_RIFF_Write32(rpos + 8);
1014                         SCR_CaptureVideo_RIFF_Write32(size);
1015                 }
1016
1017         SCR_CaptureVideo_RIFF_Pop();
1018         pos = SCR_CaptureVideo_RIFF_GetPosition();
1019         SCR_CaptureVideo_RIFF_Flush();
1020
1021         FS_Seek(cls.capturevideo.videofile, masteridx_start + 16 * *masteridx_count, SEEK_SET);
1022         SCR_CaptureVideo_RIFF_Write32(ix & (fs_offset_t) 0xFFFFFFFFu);
1023         SCR_CaptureVideo_RIFF_Write32(((fs_offset_t) ix) >> 32);
1024         SCR_CaptureVideo_RIFF_Write32(pos - ix);
1025         SCR_CaptureVideo_RIFF_Write32(nMatching);
1026         SCR_CaptureVideo_RIFF_Flush();
1027
1028         FS_Seek(cls.capturevideo.videofile, masteridx_counter, SEEK_SET);
1029         SCR_CaptureVideo_RIFF_Write32(++*masteridx_count);
1030         SCR_CaptureVideo_RIFF_Flush();
1031
1032         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1033 }
1034
1035 static void SCR_CaptureVideo_RIFF_Finish(qboolean final)
1036 {
1037         // close the "movi" list
1038         SCR_CaptureVideo_RIFF_Pop();
1039         if(cls.capturevideo.videofile_ix_master_video_inuse_offset)
1040                 SCR_CaptureVideo_RIFF_MakeIxChunk("ix00", "00dc", cls.capturevideo.videofile_ix_master_video_inuse_offset, &cls.capturevideo.videofile_ix_master_video_inuse, cls.capturevideo.videofile_ix_master_video_start_offset);
1041         if(cls.capturevideo.videofile_ix_master_audio_inuse_offset)
1042                 SCR_CaptureVideo_RIFF_MakeIxChunk("ix01", "01wb", cls.capturevideo.videofile_ix_master_audio_inuse_offset, &cls.capturevideo.videofile_ix_master_audio_inuse, cls.capturevideo.videofile_ix_master_audio_start_offset);
1043         // write the idx1 chunk that we've been building while saving the frames (for old style players)
1044         if(final && cls.capturevideo.videofile_firstchunkframes_offset)
1045         // TODO replace index creating by OpenDML ix##/##ix/indx chunk so it works for more than one AVI part too
1046         {
1047                 SCR_CaptureVideo_RIFF_Push("idx1", NULL);
1048                 SCR_CaptureVideo_RIFF_WriteBytes(cls.capturevideo.riffindexbuffer.data, cls.capturevideo.riffindexbuffer.cursize);
1049                 SCR_CaptureVideo_RIFF_Pop();
1050         }
1051         cls.capturevideo.riffindexbuffer.cursize = 0;
1052         // pop the RIFF chunk itself
1053         while (cls.capturevideo.riffstacklevel > 0)
1054                 SCR_CaptureVideo_RIFF_Pop();
1055         SCR_CaptureVideo_RIFF_Flush();
1056         if(cls.capturevideo.videofile_firstchunkframes_offset)
1057         {
1058                 Con_DPrintf("Finishing first chunk (%d frames)\n", cls.capturevideo.frame);
1059                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_firstchunkframes_offset, SEEK_SET);
1060                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1061                 SCR_CaptureVideo_RIFF_Flush();
1062                 FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1063                 cls.capturevideo.videofile_firstchunkframes_offset = 0;
1064         }
1065         else
1066                 Con_DPrintf("Finishing another chunk (%d frames)\n", cls.capturevideo.frame);
1067 }
1068
1069 static void SCR_CaptureVideo_RIFF_OverflowCheck(int framesize)
1070 {
1071         fs_offset_t cursize, curfilesize;
1072         if (cls.capturevideo.riffstacklevel != 2)
1073                 Sys_Error("SCR_CaptureVideo_RIFF_OverflowCheck: chunk stack leakage!\n");
1074         // check where we are in the file
1075         SCR_CaptureVideo_RIFF_Flush();
1076         cursize = SCR_CaptureVideo_RIFF_GetPosition() - cls.capturevideo.riffstackstartoffset[0];
1077         curfilesize = SCR_CaptureVideo_RIFF_GetPosition();
1078
1079         // if this would overflow the windows limit of 1GB per RIFF chunk, we need
1080         // to close the current RIFF chunk and open another for future frames
1081         if (8 + cursize + framesize + cls.capturevideo.riffindexbuffer.cursize + 8 + cls.capturevideo.riffindexbuffer.cursize + 64 > 1<<30) // note that the Ix buffer takes less space... I just don't dare to / 2 here now... sorry, maybe later
1082         {
1083                 SCR_CaptureVideo_RIFF_Finish(false);
1084                 // begin a new 1GB extended section of the AVI
1085                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVIX");
1086                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1087                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1088         }
1089 }
1090
1091 static void FindFraction(double val, int *num, int *denom, int denomMax)
1092 {
1093         int i;
1094         double bestdiff;
1095         // initialize
1096         bestdiff = fabs(val);
1097         *num = 0;
1098         *denom = 1;
1099
1100         for(i = 1; i <= denomMax; ++i)
1101         {
1102                 int inum = floor(0.5 + val * i);
1103                 double diff = fabs(val - inum / (double)i);
1104                 if(diff < bestdiff)
1105                 {
1106                         bestdiff = diff;
1107                         *num = inum;
1108                         *denom = i;
1109                 }
1110         }
1111 }
1112
1113 void SCR_CaptureVideo_BeginVideo(void)
1114 {
1115         double gamma, g, aspect;
1116         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1117         int n, d;
1118         unsigned int i;
1119         if (cls.capturevideo.active)
1120                 return;
1121         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1122         // soundrate is figured out on the first SoundFrame
1123
1124         if(width == 0 && height != 0)
1125                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1126         if(width != 0 && height == 0)
1127                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1128
1129         if(width < 2 || width > vid.width) // can't scale up
1130                 width = vid.width;
1131         if(height < 2 || height > vid.height) // can't scale up
1132                 height = vid.height;
1133
1134         aspect = vid.width / (vid.height * vid_pixelheight.value);
1135
1136         // ensure it's all even; if not, scale down a little
1137         if(width % 1)
1138                 --width;
1139         if(height % 1)
1140                 --height;
1141
1142         cls.capturevideo.width = width;
1143         cls.capturevideo.height = height;
1144         cls.capturevideo.active = true;
1145         cls.capturevideo.starttime = realtime;
1146         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1000);
1147         cls.capturevideo.soundrate = S_GetSoundRate();
1148         cls.capturevideo.frame = 0;
1149         cls.capturevideo.soundsampleframe = 0;
1150         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1151         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1152         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1153         gamma = 1.0/scr_screenshot_gammaboost.value;
1154         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/dpvideo%03i", cl_capturevideo_number.integer);
1155         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1156
1157         /*
1158         for (i = 0;i < 256;i++)
1159         {
1160                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1161                 cls.capturevideo.rgbgammatable[0][i] = j;
1162                 cls.capturevideo.rgbgammatable[1][i] = j;
1163                 cls.capturevideo.rgbgammatable[2][i] = j;
1164         }
1165         */
1166 /*
1167 R = Y + 1.4075 * (Cr - 128);
1168 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1169 B = Y + 1.7790 * (Cb - 128);
1170 Y = R *  .299 + G *  .587 + B *  .114;
1171 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1172 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1173 */
1174         for (i = 0;i < 256;i++)
1175         {
1176                 g = 255*pow(i/255.0, gamma);
1177                 // Y weights from RGB
1178                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(g *  0.299);
1179                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1180                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(g *  0.114);
1181                 // Cb weights from RGB
1182                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(g * -0.169);
1183                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1184                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(g *  0.500);
1185                 // Cr weights from RGB
1186                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(g *  0.500);
1187                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1188                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(g * -0.0813);
1189                 // range reduction of YCbCr to valid signal range
1190                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1191                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1192                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1193         }
1194
1195         //if (cl_capturevideo_)
1196         //{
1197         //}
1198         //else
1199         {
1200                 cls.capturevideo.format = CAPTUREVIDEOFORMAT_AVI_I420;
1201                 cls.capturevideo.videofile = FS_Open (va("%s.avi", cls.capturevideo.basename), "wb", false, true);
1202                 SCR_CaptureVideo_RIFF_Start();
1203                 // enclosing RIFF chunk (there can be multiple of these in >1GB files, the later ones are "AVIX" instead of "AVI " and have no header/stream info)
1204                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVI ");
1205                 // AVI main header
1206                 SCR_CaptureVideo_RIFF_Push("LIST", "hdrl");
1207                 SCR_CaptureVideo_RIFF_Push("avih", NULL);
1208                 SCR_CaptureVideo_RIFF_Write32((int)(1000000.0 / cls.capturevideo.framerate)); // microseconds per frame
1209                 SCR_CaptureVideo_RIFF_Write32(0); // max bytes per second
1210                 SCR_CaptureVideo_RIFF_Write32(0); // padding granularity
1211                 SCR_CaptureVideo_RIFF_Write32(0x910); // flags (AVIF_HASINDEX | AVIF_ISINTERLEAVED | AVIF_TRUSTCKTYPE)
1212                 cls.capturevideo.videofile_firstchunkframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1213                 SCR_CaptureVideo_RIFF_Write32(0); // total frames
1214                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1215                 if (cls.capturevideo.soundrate)
1216                         SCR_CaptureVideo_RIFF_Write32(2); // number of streams
1217                 else
1218                         SCR_CaptureVideo_RIFF_Write32(1); // number of streams
1219                 SCR_CaptureVideo_RIFF_Write32(0); // suggested buffer size
1220                 SCR_CaptureVideo_RIFF_Write32(width); // width
1221                 SCR_CaptureVideo_RIFF_Write32(height); // height
1222                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[0]
1223                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[1]
1224                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[2]
1225                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[3]
1226                 SCR_CaptureVideo_RIFF_Pop();
1227                 // video stream info
1228                 SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1229                 SCR_CaptureVideo_RIFF_Push("strh", "vids");
1230                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // stream fourcc (I420 colorspace, uncompressed)
1231                 SCR_CaptureVideo_RIFF_Write32(0); // flags
1232                 SCR_CaptureVideo_RIFF_Write16(0); // priority
1233                 SCR_CaptureVideo_RIFF_Write16(0); // language
1234                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1235                 // find an ideal divisor for the framerate
1236                 FindFraction(cls.capturevideo.framerate, &n, &d, 1000);
1237                 SCR_CaptureVideo_RIFF_Write32(d); // samples/second divisor
1238                 SCR_CaptureVideo_RIFF_Write32(n); // samples/second multiplied by divisor
1239                 SCR_CaptureVideo_RIFF_Write32(0); // start
1240                 cls.capturevideo.videofile_totalframes_offset1 = SCR_CaptureVideo_RIFF_GetPosition();
1241                 SCR_CaptureVideo_RIFF_Write32(0); // length
1242                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // suggested buffer size
1243                 SCR_CaptureVideo_RIFF_Write32(0); // quality
1244                 SCR_CaptureVideo_RIFF_Write32(0); // sample size
1245                 SCR_CaptureVideo_RIFF_Write16(0); // frame left
1246                 SCR_CaptureVideo_RIFF_Write16(0); // frame top
1247                 SCR_CaptureVideo_RIFF_Write16(width); // frame right
1248                 SCR_CaptureVideo_RIFF_Write16(height); // frame bottom
1249                 SCR_CaptureVideo_RIFF_Pop();
1250                 // video stream format
1251                 SCR_CaptureVideo_RIFF_Push("strf", NULL);
1252                 SCR_CaptureVideo_RIFF_Write32(40); // BITMAPINFO struct size
1253                 SCR_CaptureVideo_RIFF_Write32(width); // width
1254                 SCR_CaptureVideo_RIFF_Write32(height); // height
1255                 SCR_CaptureVideo_RIFF_Write16(3); // planes
1256                 SCR_CaptureVideo_RIFF_Write16(12); // bitcount
1257                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // compression
1258                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // size of image
1259                 SCR_CaptureVideo_RIFF_Write32(0); // x pixels per meter
1260                 SCR_CaptureVideo_RIFF_Write32(0); // y pixels per meter
1261                 SCR_CaptureVideo_RIFF_Write32(0); // color used
1262                 SCR_CaptureVideo_RIFF_Write32(0); // color important
1263                 SCR_CaptureVideo_RIFF_Pop();
1264                 // master index
1265                 SCR_CaptureVideo_RIFF_Push("indx", NULL);
1266                 SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1267                 SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1268                 cls.capturevideo.videofile_ix_master_video_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1269                 SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1270                 SCR_CaptureVideo_RIFF_WriteFourCC("00dc"); // dwChunkId
1271                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1272                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1273                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1274                 cls.capturevideo.videofile_ix_master_video_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1275                 for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1276                         SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1277                 SCR_CaptureVideo_RIFF_Pop();
1278                 // extended format (aspect!)
1279                 SCR_CaptureVideo_RIFF_Push("vprp", NULL);
1280                 SCR_CaptureVideo_RIFF_Write32(0); // VideoFormatToken
1281                 SCR_CaptureVideo_RIFF_Write32(0); // VideoStandard
1282                 SCR_CaptureVideo_RIFF_Write32((int)cls.capturevideo.framerate); // dwVerticalRefreshRate (bogus)
1283                 SCR_CaptureVideo_RIFF_Write32(width); // dwHTotalInT
1284                 SCR_CaptureVideo_RIFF_Write32(height); // dwVTotalInLines
1285                 FindFraction(aspect, &n, &d, 1000);
1286                 SCR_CaptureVideo_RIFF_Write32((n << 16) | d); // dwFrameAspectRatio // TODO a word
1287                 SCR_CaptureVideo_RIFF_Write32(width); // dwFrameWidthInPixels
1288                 SCR_CaptureVideo_RIFF_Write32(height); // dwFrameHeightInLines
1289                 SCR_CaptureVideo_RIFF_Write32(1); // nFieldPerFrame
1290                 SCR_CaptureVideo_RIFF_Write32(width); // CompressedBMWidth
1291                 SCR_CaptureVideo_RIFF_Write32(height); // CompressedBMHeight
1292                 SCR_CaptureVideo_RIFF_Write32(width); // ValidBMHeight
1293                 SCR_CaptureVideo_RIFF_Write32(height); // ValidBMWidth
1294                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffset
1295                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYOffset
1296                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffsetInT
1297                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYValidStartLine
1298                 SCR_CaptureVideo_RIFF_Pop();
1299                 SCR_CaptureVideo_RIFF_Pop();
1300                 if (cls.capturevideo.soundrate)
1301                 {
1302                         // audio stream info
1303                         SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1304                         SCR_CaptureVideo_RIFF_Push("strh", "auds");
1305                         SCR_CaptureVideo_RIFF_Write32(1); // stream fourcc (PCM audio, uncompressed)
1306                         SCR_CaptureVideo_RIFF_Write32(0); // flags
1307                         SCR_CaptureVideo_RIFF_Write16(0); // priority
1308                         SCR_CaptureVideo_RIFF_Write16(0); // language
1309                         SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1310                         SCR_CaptureVideo_RIFF_Write32(1); // samples/second divisor
1311                         SCR_CaptureVideo_RIFF_Write32((int)(cls.capturevideo.soundrate)); // samples/second multiplied by divisor
1312                         SCR_CaptureVideo_RIFF_Write32(0); // start
1313                         cls.capturevideo.videofile_totalsampleframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1314                         SCR_CaptureVideo_RIFF_Write32(0); // length
1315                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 2); // suggested buffer size (this is a half second)
1316                         SCR_CaptureVideo_RIFF_Write32(0); // quality
1317                         SCR_CaptureVideo_RIFF_Write32(4); // sample size
1318                         SCR_CaptureVideo_RIFF_Write16(0); // frame left
1319                         SCR_CaptureVideo_RIFF_Write16(0); // frame top
1320                         SCR_CaptureVideo_RIFF_Write16(0); // frame right
1321                         SCR_CaptureVideo_RIFF_Write16(0); // frame bottom
1322                         SCR_CaptureVideo_RIFF_Pop();
1323                         // audio stream format
1324                         SCR_CaptureVideo_RIFF_Push("strf", NULL);
1325                         SCR_CaptureVideo_RIFF_Write16(1); // format (uncompressed PCM?)
1326                         SCR_CaptureVideo_RIFF_Write16(2); // channels (stereo)
1327                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate); // sampleframes per second
1328                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 4); // average bytes per second
1329                         SCR_CaptureVideo_RIFF_Write16(4); // block align
1330                         SCR_CaptureVideo_RIFF_Write16(16); // bits per sample
1331                         SCR_CaptureVideo_RIFF_Write16(0); // size
1332                         SCR_CaptureVideo_RIFF_Pop();
1333                         // master index
1334                         SCR_CaptureVideo_RIFF_Push("indx", NULL);
1335                         SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1336                         SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1337                         cls.capturevideo.videofile_ix_master_audio_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1338                         SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1339                         SCR_CaptureVideo_RIFF_WriteFourCC("01wb"); // dwChunkId
1340                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1341                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1342                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1343                         cls.capturevideo.videofile_ix_master_audio_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1344                         for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1345                                 SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1346                         SCR_CaptureVideo_RIFF_Pop();
1347                         SCR_CaptureVideo_RIFF_Pop();
1348                 }
1349
1350                 cls.capturevideo.videofile_ix_master_audio_inuse = cls.capturevideo.videofile_ix_master_video_inuse = 0;
1351
1352                 // extended header (for total #frames)
1353                 SCR_CaptureVideo_RIFF_Push("LIST", "odml");
1354                 SCR_CaptureVideo_RIFF_Push("dmlh", NULL);
1355                 cls.capturevideo.videofile_totalframes_offset2 = SCR_CaptureVideo_RIFF_GetPosition();
1356                 SCR_CaptureVideo_RIFF_Write32(0);
1357                 SCR_CaptureVideo_RIFF_Pop();
1358                 SCR_CaptureVideo_RIFF_Pop();
1359
1360                 // close the AVI header list
1361                 SCR_CaptureVideo_RIFF_Pop();
1362                 // software that produced this AVI video file
1363                 SCR_CaptureVideo_RIFF_Push("LIST", "INFO");
1364                 SCR_CaptureVideo_RIFF_Push("ISFT", NULL);
1365                 SCR_CaptureVideo_RIFF_WriteTerminatedString(engineversion);
1366                 SCR_CaptureVideo_RIFF_Pop();
1367                 // enable this junk filler if you like the LIST movi to always begin at 4KB in the file (why?)
1368 #if 0
1369                 SCR_CaptureVideo_RIFF_Push("JUNK", NULL);
1370                 x = 4096 - SCR_CaptureVideo_RIFF_GetPosition();
1371                 while (x > 0)
1372                 {
1373                         const char *junkfiller = "[ DarkPlaces junk data ]";
1374                         int i = min(x, (int)strlen(junkfiller));
1375                         SCR_CaptureVideo_RIFF_WriteBytes((const unsigned char *)junkfiller, i);
1376                         x -= i;
1377                 }
1378                 SCR_CaptureVideo_RIFF_Pop();
1379 #endif
1380                 SCR_CaptureVideo_RIFF_Pop();
1381                 // begin the actual video section now
1382                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1383                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1384                 // we're done with the headers now...
1385                 SCR_CaptureVideo_RIFF_Flush();
1386                 if (cls.capturevideo.riffstacklevel != 2)
1387                         Sys_Error("SCR_CaptureVideo_BeginVideo: broken AVI writing code (stack level is %i (should be 2) at end of headers)\n", cls.capturevideo.riffstacklevel);
1388         }
1389
1390         switch(cls.capturevideo.format)
1391         {
1392         case CAPTUREVIDEOFORMAT_AVI_I420:
1393                 break;
1394         default:
1395                 break;
1396         }
1397 }
1398
1399 void SCR_CaptureVideo_EndVideo(void)
1400 {
1401         if (!cls.capturevideo.active)
1402                 return;
1403         cls.capturevideo.active = false;
1404         if (cls.capturevideo.videofile)
1405         {
1406                 switch(cls.capturevideo.format)
1407                 {
1408                 case CAPTUREVIDEOFORMAT_AVI_I420:
1409                         // close any open chunks
1410                         SCR_CaptureVideo_RIFF_Finish(true);
1411                         // go back and fix the video frames and audio samples fields
1412                         Con_DPrintf("Finishing capture (%d frames, %d audio frames)\n", cls.capturevideo.frame, cls.capturevideo.soundsampleframe);
1413                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset1, SEEK_SET);
1414                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1415                         SCR_CaptureVideo_RIFF_Flush();
1416                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset2, SEEK_SET);
1417                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1418                         SCR_CaptureVideo_RIFF_Flush();
1419                         if (cls.capturevideo.soundrate)
1420                         {
1421                                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalsampleframes_offset, SEEK_SET);
1422                                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundsampleframe);
1423                                 SCR_CaptureVideo_RIFF_Flush();
1424                         }
1425                         break;
1426                 default:
1427                         break;
1428                 }
1429                 FS_Close(cls.capturevideo.videofile);
1430                 cls.capturevideo.videofile = NULL;
1431         }
1432
1433         if (cls.capturevideo.screenbuffer)
1434         {
1435                 Mem_Free (cls.capturevideo.screenbuffer);
1436                 cls.capturevideo.screenbuffer = NULL;
1437         }
1438
1439         if (cls.capturevideo.outbuffer)
1440         {
1441                 Mem_Free (cls.capturevideo.outbuffer);
1442                 cls.capturevideo.outbuffer = NULL;
1443         }
1444
1445         if (cls.capturevideo.riffindexbuffer.data)
1446         {
1447                 Mem_Free(cls.capturevideo.riffindexbuffer.data);
1448                 cls.capturevideo.riffindexbuffer.data = NULL;
1449         }
1450
1451         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1452 }
1453
1454 // converts from BGRA32 to I420 colorspace (identical to YV12 except chroma plane order is reversed), this colorspace is handled by the Intel(r) 4:2:0 codec on Windows
1455 void SCR_CaptureVideo_ConvertFrame_BGRA_to_I420_flip(int width, int height, unsigned char *instart, unsigned char *outstart)
1456 {
1457         int x, y;
1458         int blockr, blockg, blockb;
1459         int outoffset = (width/2)*(height/2);
1460         unsigned char *b, *out;
1461         // process one line at a time, and CbCr every other line at 2 pixel intervals
1462         for (y = 0;y < height;y++)
1463         {
1464                 // 1x1 Y
1465                 for (b = instart + (height-1-y)*width*4, out = outstart + y*width, x = 0;x < width;x++, b += 4, out++)
1466                 {
1467                         blockr = b[2];
1468                         blockg = b[1];
1469                         blockb = b[0];
1470                         *out = cls.capturevideo.yuvnormalizetable[0][cls.capturevideo.rgbtoyuvscaletable[0][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[0][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[0][2][blockb]];
1471                 }
1472                 if ((y & 1) == 0)
1473                 {
1474                         // 2x2 Cr and Cb planes
1475                         int inpitch = width*4;
1476                         for (b = instart + (height-2-y)*width*4, out = outstart + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 8, out++)
1477                         {
1478                                 blockr = (b[2] + b[6] + b[inpitch+2] + b[inpitch+6]) >> 2;
1479                                 blockg = (b[1] + b[5] + b[inpitch+1] + b[inpitch+5]) >> 2;
1480                                 blockb = (b[0] + b[4] + b[inpitch+0] + b[inpitch+4]) >> 2;
1481                                 // Cr
1482                                 out[0        ] = cls.capturevideo.yuvnormalizetable[1][cls.capturevideo.rgbtoyuvscaletable[1][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[1][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[1][2][blockb] + 128];
1483                                 // Cb
1484                                 out[outoffset] = cls.capturevideo.yuvnormalizetable[2][cls.capturevideo.rgbtoyuvscaletable[2][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[2][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[2][2][blockb] + 128];
1485                         }
1486                 }
1487         }
1488 }
1489
1490 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1491 {
1492         // TODO optimize this function
1493
1494         int x, y;
1495         float area;
1496
1497         // memcpy is faster than me
1498         if(inw == outw && inh == outh)
1499         {
1500                 memcpy(out, in, 4 * inw * inh);
1501                 return;
1502         }
1503
1504         // otherwise: a box filter
1505         area = (float)outw * (float)outh / (float)inw / (float)inh;
1506         for(y = 0; y < outh; ++y)
1507         {
1508                 float iny0 =  y    / (float)outh * inh; int iny0_i = floor(iny0);
1509                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = ceil(iny1);
1510                 for(x = 0; x < outw; ++x)
1511                 {
1512                         float inx0 =  x    / (float)outw * inw; int inx0_i = floor(inx0);
1513                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = ceil(inx1);
1514                         float r = 0, g = 0, b = 0, alpha = 0;
1515                         int xx, yy;
1516
1517                         for(yy = iny0_i; yy < iny1_i; ++yy)
1518                         {
1519                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1520                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1521                                 {
1522                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1523                                         r += a * in[4*(xx + inw * yy)+0];
1524                                         g += a * in[4*(xx + inw * yy)+1];
1525                                         b += a * in[4*(xx + inw * yy)+2];
1526                                         alpha += a * in[4*(xx + inw * yy)+3];
1527                                 }
1528                         }
1529
1530                         out[4*(x + outw * y)+0] = r * area;
1531                         out[4*(x + outw * y)+1] = g * area;
1532                         out[4*(x + outw * y)+2] = b * area;
1533                         out[4*(x + outw * y)+3] = alpha * area;
1534                 }
1535         }
1536 }
1537
1538 qboolean SCR_CaptureVideo_VideoFrame(int newframenum)
1539 {
1540         int x = 0, y = 0, width = cls.capturevideo.width, height = cls.capturevideo.height;
1541         unsigned char *in, *out;
1542         CHECKGLERROR
1543         //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);
1544         // speed is critical here, so do saving as directly as possible
1545         switch (cls.capturevideo.format)
1546         {
1547         case CAPTUREVIDEOFORMAT_AVI_I420:
1548                 // if there's no videofile we have to just give up, and abort saving
1549                 if (!cls.capturevideo.videofile)
1550                         return false;
1551                 // FIXME: width/height must be multiple of 2, enforce this?
1552                 qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1553                 SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1554                 in = cls.capturevideo.outbuffer;
1555                 out = cls.capturevideo.outbuffer + width*height*4;
1556                 SCR_CaptureVideo_ConvertFrame_BGRA_to_I420_flip(width, height, in, out);
1557                 x = width*height+(width/2)*(height/2)*2;
1558                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1559                 for (;cls.capturevideo.frame < newframenum;cls.capturevideo.frame++)
1560                 {
1561                         SCR_CaptureVideo_RIFF_IndexEntry("00dc", x, 0x10); // AVIIF_KEYFRAME
1562                         SCR_CaptureVideo_RIFF_Push("00dc", NULL);
1563                         SCR_CaptureVideo_RIFF_WriteBytes(out, x);
1564                         SCR_CaptureVideo_RIFF_Pop();
1565                 }
1566                 return true;
1567         default:
1568                 return false;
1569         }
1570 }
1571
1572 void SCR_CaptureVideo_SoundFrame(unsigned char *bufstereo16le, size_t length, int rate)
1573 {
1574         int x;
1575         cls.capturevideo.soundrate = rate;
1576         cls.capturevideo.soundsampleframe += length;
1577         switch (cls.capturevideo.format)
1578         {
1579         case CAPTUREVIDEOFORMAT_AVI_I420:
1580                 x = length*4;
1581                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1582                 SCR_CaptureVideo_RIFF_IndexEntry("01wb", x, 0x10); // AVIIF_KEYFRAME
1583                 SCR_CaptureVideo_RIFF_Push("01wb", NULL);
1584                 SCR_CaptureVideo_RIFF_WriteBytes(bufstereo16le, x);
1585                 SCR_CaptureVideo_RIFF_Pop();
1586                 break;
1587         default:
1588                 break;
1589         }
1590 }
1591
1592 void SCR_CaptureVideo(void)
1593 {
1594         int newframenum;
1595         if (cl_capturevideo.integer && r_render.integer)
1596         {
1597                 if (!cls.capturevideo.active)
1598                         SCR_CaptureVideo_BeginVideo();
1599                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value)
1600                 {
1601                         Con_Printf("You can not change the video framerate while recording a video.\n");
1602                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate);
1603                 }
1604                 // for AVI saving we have to make sure that sound is saved before video
1605                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1606                         return;
1607                 if (cls.capturevideo.realtime)
1608                 {
1609                         // preserve sound sync by duplicating frames when running slow
1610                         newframenum = (int)((realtime - cls.capturevideo.starttime) * cls.capturevideo.framerate);
1611                 }
1612                 else
1613                         newframenum = cls.capturevideo.frame + 1;
1614                 // if falling behind more than one second, stop
1615                 if (newframenum - cls.capturevideo.frame > (int)ceil(cls.capturevideo.framerate))
1616                 {
1617                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1618                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1619                         SCR_CaptureVideo_EndVideo();
1620                         return;
1621                 }
1622                 // write frames
1623                 SCR_CaptureVideo_VideoFrame(newframenum);
1624                 if (cls.capturevideo.error)
1625                 {
1626                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1627                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1628                         SCR_CaptureVideo_EndVideo();
1629                 }
1630         }
1631         else if (cls.capturevideo.active)
1632                 SCR_CaptureVideo_EndVideo();
1633 }
1634
1635 /*
1636 ===============
1637 R_Envmap_f
1638
1639 Grab six views for environment mapping tests
1640 ===============
1641 */
1642 struct envmapinfo_s
1643 {
1644         float angles[3];
1645         char *name;
1646         qboolean flipx, flipy, flipdiagonaly;
1647 }
1648 envmapinfo[12] =
1649 {
1650         {{  0,   0, 0}, "rt", false, false, false},
1651         {{  0, 270, 0}, "ft", false, false, false},
1652         {{  0, 180, 0}, "lf", false, false, false},
1653         {{  0,  90, 0}, "bk", false, false, false},
1654         {{-90, 180, 0}, "up",  true,  true, false},
1655         {{ 90, 180, 0}, "dn",  true,  true, false},
1656
1657         {{  0,   0, 0}, "px",  true,  true,  true},
1658         {{  0,  90, 0}, "py", false,  true, false},
1659         {{  0, 180, 0}, "nx", false, false,  true},
1660         {{  0, 270, 0}, "ny",  true, false, false},
1661         {{-90, 180, 0}, "pz", false, false,  true},
1662         {{ 90, 180, 0}, "nz", false, false,  true}
1663 };
1664
1665 static void R_Envmap_f (void)
1666 {
1667         int j, size;
1668         char filename[MAX_QPATH], basename[MAX_QPATH];
1669         unsigned char *buffer1;
1670         unsigned char *buffer2;
1671         unsigned char *buffer3;
1672
1673         if (Cmd_Argc() != 3)
1674         {
1675                 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");
1676                 return;
1677         }
1678
1679         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1680         size = atoi(Cmd_Argv(2));
1681         if (size != 128 && size != 256 && size != 512 && size != 1024)
1682         {
1683                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1684                 return;
1685         }
1686         if (size > vid.width || size > vid.height)
1687         {
1688                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1689                 return;
1690         }
1691
1692         r_refdef.envmap = true;
1693
1694         R_UpdateVariables();
1695
1696         r_view.x = 0;
1697         r_view.y = 0;
1698         r_view.z = 0;
1699         r_view.width = size;
1700         r_view.height = size;
1701         r_view.depth = 1;
1702         r_view.useperspective = true;
1703
1704         r_view.frustum_x = tan(90 * M_PI / 360.0);
1705         r_view.frustum_y = tan(90 * M_PI / 360.0);
1706
1707         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1708         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1709         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1710
1711         for (j = 0;j < 12;j++)
1712         {
1713                 sprintf(filename, "env/%s%s.tga", basename, envmapinfo[j].name);
1714                 Matrix4x4_CreateFromQuakeEntity(&r_view.matrix, r_view.origin[0], r_view.origin[1], r_view.origin[2], envmapinfo[j].angles[0], envmapinfo[j].angles[1], envmapinfo[j].angles[2], 1);
1715                 R_ClearScreen();
1716                 R_Mesh_Start();
1717                 R_RenderView();
1718                 R_Mesh_Finish();
1719                 SCR_ScreenShot(filename, buffer1, buffer2, buffer3, 0, vid.height - (r_view.y + r_view.height), size, size, envmapinfo[j].flipx, envmapinfo[j].flipy, envmapinfo[j].flipdiagonaly, false, false);
1720         }
1721
1722         Mem_Free (buffer1);
1723         Mem_Free (buffer2);
1724         Mem_Free (buffer3);
1725
1726         r_refdef.envmap = false;
1727 }
1728
1729 //=============================================================================
1730
1731 void SHOWLMP_decodehide(void)
1732 {
1733         int i;
1734         char *lmplabel;
1735         lmplabel = MSG_ReadString();
1736         for (i = 0;i < cl.num_showlmps;i++)
1737                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1738                 {
1739                         cl.showlmps[i].isactive = false;
1740                         return;
1741                 }
1742 }
1743
1744 void SHOWLMP_decodeshow(void)
1745 {
1746         int k;
1747         char lmplabel[256], picname[256];
1748         float x, y;
1749         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1750         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1751         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1752         {
1753                 x = MSG_ReadByte();
1754                 y = MSG_ReadByte();
1755         }
1756         else
1757         {
1758                 x = MSG_ReadShort();
1759                 y = MSG_ReadShort();
1760         }
1761         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1762         {
1763                 showlmp_t *oldshowlmps = cl.showlmps;
1764                 cl.max_showlmps += 16;
1765                 cl.showlmps = Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1766                 if (cl.num_showlmps)
1767                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1768                 if (oldshowlmps)
1769                         Mem_Free(oldshowlmps);
1770         }
1771         for (k = 0;k < cl.max_showlmps;k++)
1772                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1773                         break;
1774         if (k == cl.max_showlmps)
1775                 for (k = 0;k < cl.max_showlmps;k++)
1776                         if (!cl.showlmps[k].isactive)
1777                                 break;
1778         cl.showlmps[k].isactive = true;
1779         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1780         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1781         cl.showlmps[k].x = x;
1782         cl.showlmps[k].y = y;
1783         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1784 }
1785
1786 void SHOWLMP_drawall(void)
1787 {
1788         int i;
1789         for (i = 0;i < cl.num_showlmps;i++)
1790                 if (cl.showlmps[i].isactive)
1791                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic(cl.showlmps[i].pic, true), 0, 0, 1, 1, 1, 1, 0);
1792 }
1793
1794 /*
1795 ==============================================================================
1796
1797                                                 SCREEN SHOTS
1798
1799 ==============================================================================
1800 */
1801
1802 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)
1803 {
1804         int     indices[3] = {0,1,2};
1805         qboolean ret;
1806
1807         if (!r_render.integer)
1808                 return false;
1809
1810         CHECKGLERROR
1811         qglReadPixels (x, y, width, height, jpeg ? GL_RGB : GL_BGR, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1812
1813         if (scr_screenshot_gammaboost.value != 1 && gammacorrect)
1814         {
1815                 int i;
1816                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1817                 unsigned char ramp[256];
1818                 for (i = 0;i < 256;i++)
1819                         ramp[i] = (unsigned char) (pow(i * (1.0 / 255.0), igamma) * 255.0);
1820                 for (i = 0;i < width*height*3;i++)
1821                         buffer1[i] = ramp[buffer1[i]];
1822         }
1823
1824         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1825
1826         if (jpeg)
1827                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1828         else
1829                 ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2, buffer3);
1830
1831         return ret;
1832 }
1833
1834 //=============================================================================
1835
1836 void R_ClearScreen(void)
1837 {
1838         // clear to black
1839         CHECKGLERROR
1840         if (r_refdef.fogenabled)
1841         {
1842                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1843         }
1844         else
1845         {
1846                 qglClearColor(0,0,0,0);CHECKGLERROR
1847         }
1848         qglClearDepth(1);CHECKGLERROR
1849         if (gl_stencil)
1850         {
1851                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1852                 // to avoid clamping interfering with strange shadow volume
1853                 // drawing orders
1854                 qglClearStencil(128);CHECKGLERROR
1855         }
1856         // clear the screen
1857         if (r_render.integer)
1858                 GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
1859         // set dithering mode
1860         if (gl_dither.integer)
1861         {
1862                 qglEnable(GL_DITHER);CHECKGLERROR
1863         }
1864         else
1865         {
1866                 qglDisable(GL_DITHER);CHECKGLERROR
1867         }
1868 }
1869
1870 qboolean CL_VM_UpdateView (void);
1871 void SCR_DrawConsole (void);
1872 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1873
1874 int r_stereo_side;
1875
1876 void SCR_DrawScreen (void)
1877 {
1878         R_Mesh_Start();
1879
1880         if (r_timereport_active)
1881                 R_TimeReport("screensetup");
1882
1883         R_UpdateVariables();
1884
1885         // Quake uses clockwise winding, so these are swapped
1886         r_view.cullface_front = GL_BACK;
1887         r_view.cullface_back = GL_FRONT;
1888
1889         if (cls.signon == SIGNONS)
1890         {
1891                 float size;
1892
1893                 size = scr_viewsize.value * (1.0 / 100.0);
1894                 size = min(size, 1);
1895
1896                 if (r_stereo_sidebyside.integer)
1897                 {
1898                         r_view.width = (int)(vid.width * size / 2.5);
1899                         r_view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1900                         r_view.depth = 1;
1901                         r_view.x = (int)((vid.width - r_view.width * 2.5) * 0.5);
1902                         r_view.y = (int)((vid.height - r_view.height)/2);
1903                         r_view.z = 0;
1904                         if (r_stereo_side)
1905                                 r_view.x += (int)(r_view.width * 1.5);
1906                 }
1907                 else
1908                 {
1909                         r_view.width = (int)(vid.width * size);
1910                         r_view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1911                         r_view.depth = 1;
1912                         r_view.x = (int)((vid.width - r_view.width)/2);
1913                         r_view.y = (int)((vid.height - r_view.height)/2);
1914                         r_view.z = 0;
1915                 }
1916
1917                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1918                 // LordHavoc: this is designed to produce widescreen fov values
1919                 // when the screen is wider than 4/3 width/height aspect, to do
1920                 // this it simply assumes the requested fov is the vertical fov
1921                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1922                 // higher/lower according to the ratio
1923                 r_view.useperspective = true;
1924                 r_view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1925                 r_view.frustum_x = r_view.frustum_y * (float)r_view.width / (float)r_view.height / vid_pixelheight.value;
1926
1927                 r_view.frustum_x *= r_refdef.frustumscale_x;
1928                 r_view.frustum_y *= r_refdef.frustumscale_y;
1929
1930                 if(!CL_VM_UpdateView())
1931                         R_RenderView();
1932
1933                 if (scr_zoomwindow.integer)
1934                 {
1935                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1936                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1937                         r_view.width = (int)(vid.width * sizex);
1938                         r_view.height = (int)(vid.height * sizey);
1939                         r_view.depth = 1;
1940                         r_view.x = (int)((vid.width - r_view.width)/2);
1941                         r_view.y = 0;
1942                         r_view.z = 0;
1943
1944                         r_view.useperspective = true;
1945                         r_view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1946                         r_view.frustum_x = r_view.frustum_y * vid_pixelheight.value * (float)r_view.width / (float)r_view.height;
1947
1948                         r_view.frustum_x *= r_refdef.frustumscale_x;
1949                         r_view.frustum_y *= r_refdef.frustumscale_y;
1950
1951                         if(!CL_VM_UpdateView())
1952                                 R_RenderView();
1953                 }
1954         }
1955
1956         if (!r_stereo_sidebyside.integer)
1957         {
1958                 r_view.width = vid.width;
1959                 r_view.height = vid.height;
1960                 r_view.depth = 1;
1961                 r_view.x = 0;
1962                 r_view.y = 0;
1963                 r_view.z = 0;
1964                 r_view.useperspective = false;
1965         }
1966
1967         // draw 2D stuff
1968         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1969                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1970                         Con_DrawNotify ();      // only draw notify in game
1971
1972         if (cls.signon == SIGNONS)
1973         {
1974                 SCR_DrawNet ();
1975                 SCR_DrawTurtle ();
1976                 SCR_DrawPause ();
1977                 if (!r_letterbox.value)
1978                         Sbar_Draw();
1979                 SHOWLMP_drawall();
1980                 SCR_CheckDrawCenterString();
1981         }
1982         SCR_DrawNetGraph ();
1983         MR_Draw();
1984         CL_DrawVideo();
1985         R_Shadow_EditLights_DrawSelectedLightProperties();
1986
1987         SCR_DrawConsole();
1988
1989         SCR_DrawBrand();
1990
1991         SCR_DrawDownload();
1992
1993         if (r_timereport_active)
1994                 R_TimeReport("2d");
1995
1996         if (cls.signon == SIGNONS)
1997                 R_TimeReport_Frame();
1998
1999         DrawQ_Finish();
2000
2001         R_DrawGamma();
2002
2003         R_Mesh_Finish();
2004
2005         if (r_timereport_active)
2006                 R_TimeReport("meshfinish");
2007 }
2008
2009 void SCR_UpdateLoadingScreen (qboolean clear)
2010 {
2011         float x, y;
2012         cachepic_t *pic;
2013         float vertex3f[12];
2014         float texcoord2f[8];
2015         // don't do anything if not initialized yet
2016         if (vid_hidden || !scr_refresh.integer)
2017                 return;
2018         CHECKGLERROR
2019         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2020         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2021         //qglDepthMask(1);CHECKGLERROR
2022         qglColorMask(1,1,1,1);CHECKGLERROR
2023         qglClearColor(0,0,0,0);CHECKGLERROR
2024         // when starting up a new video mode, make sure the screen is cleared to black
2025         if (clear)
2026         {
2027                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
2028         }
2029         //qglDisable(GL_CULL_FACE);CHECKGLERROR
2030         //R_ClearScreen();
2031         R_Textures_Frame();
2032         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
2033         R_Mesh_Start();
2034         R_Mesh_Matrix(&identitymatrix);
2035         // draw the loading plaque
2036         pic = Draw_CachePic("gfx/loading", true);
2037         x = (vid_conwidth.integer - pic->width)/2;
2038         y = (vid_conheight.integer - pic->height)/2;
2039         GL_Color(1,1,1,1);
2040         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2041         GL_DepthRange(0, 1);
2042         GL_PolygonOffset(0, 0);
2043         GL_DepthTest(false);
2044         R_Mesh_VertexPointer(vertex3f, 0, 0);
2045         R_Mesh_ColorPointer(NULL, 0, 0);
2046         R_Mesh_ResetTextureState();
2047         R_Mesh_TexBind(0, R_GetTexture(pic->tex));
2048         R_Mesh_TexCoordPointer(0, 2, texcoord2f, 0, 0);
2049         vertex3f[2] = vertex3f[5] = vertex3f[8] = vertex3f[11] = 0;
2050         vertex3f[0] = vertex3f[9] = x;
2051         vertex3f[1] = vertex3f[4] = y;
2052         vertex3f[3] = vertex3f[6] = x + pic->width;
2053         vertex3f[7] = vertex3f[10] = y + pic->height;
2054         texcoord2f[0] = 0;texcoord2f[1] = 0;
2055         texcoord2f[2] = 1;texcoord2f[3] = 0;
2056         texcoord2f[4] = 1;texcoord2f[5] = 1;
2057         texcoord2f[6] = 0;texcoord2f[7] = 1;
2058         if (vid.stereobuffer)
2059         {
2060                 qglDrawBuffer(GL_FRONT_LEFT);
2061                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2062                 qglDrawBuffer(GL_FRONT_RIGHT);
2063                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2064         }
2065         else
2066         {
2067                 qglDrawBuffer(GL_FRONT);
2068                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2069         }
2070         R_Mesh_Finish();
2071         // refresh
2072         // not necessary when rendering to GL_FRONT buffers
2073         //VID_Finish(false);
2074         // however this IS necessary on Windows Vista
2075         qglFinish();
2076 }
2077
2078 void CL_UpdateScreen(void)
2079 {
2080         float conwidth, conheight;
2081
2082         if (vid_hidden || !scr_refresh.integer)
2083                 return;
2084
2085         if (!scr_initialized || !con_initialized)
2086                 return;                         // not initialized yet
2087
2088         conwidth = bound(320, vid_conwidth.value, 2048);
2089         conheight = bound(200, vid_conheight.value, 1536);
2090         if (vid_conwidth.value != conwidth)
2091                 Cvar_SetValue("vid_conwidth", conwidth);
2092         if (vid_conheight.value != conheight)
2093                 Cvar_SetValue("vid_conheight", conheight);
2094
2095         // bound viewsize
2096         if (scr_viewsize.value < 30)
2097                 Cvar_Set ("viewsize","30");
2098         if (scr_viewsize.value > 120)
2099                 Cvar_Set ("viewsize","120");
2100
2101         // bound field of view
2102         if (scr_fov.value < 1)
2103                 Cvar_Set ("fov","1");
2104         if (scr_fov.value > 170)
2105                 Cvar_Set ("fov","170");
2106
2107         // validate r_textureunits cvar
2108         if (r_textureunits.integer > gl_textureunits)
2109                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
2110         if (r_textureunits.integer < 1)
2111                 Cvar_SetValueQuick(&r_textureunits, 1);
2112
2113         // validate gl_combine cvar
2114         if (gl_combine.integer && !gl_combine_extension)
2115                 Cvar_SetValueQuick(&gl_combine, 0);
2116
2117         // intermission is always full screen
2118         if (cl.intermission)
2119                 sb_lines = 0;
2120         else
2121         {
2122                 if (scr_viewsize.value >= 120)
2123                         sb_lines = 0;           // no status bar at all
2124                 else if (scr_viewsize.value >= 110)
2125                         sb_lines = 24;          // no inventory
2126                 else
2127                         sb_lines = 24+16+8;
2128         }
2129
2130         r_view.colormask[0] = 1;
2131         r_view.colormask[1] = 1;
2132         r_view.colormask[2] = 1;
2133
2134         if (r_timereport_active)
2135                 R_TimeReport("other");
2136
2137         SCR_SetUpToDrawConsole();
2138
2139         if (r_timereport_active)
2140                 R_TimeReport("start");
2141
2142         CHECKGLERROR
2143         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2144         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2145         qglDepthMask(1);CHECKGLERROR
2146         qglColorMask(1,1,1,1);CHECKGLERROR
2147         qglClearColor(0,0,0,0);CHECKGLERROR
2148         R_ClearScreen();
2149         r_view.clear = false;
2150
2151         if(scr_stipple.integer)
2152         {
2153                 GLubyte stipple[128];
2154                 int i, s, width, parts;
2155                 static int frame = 0;
2156                 ++frame;
2157
2158                 s = scr_stipple.integer;
2159                 parts = (s & 007);
2160                 width = (s & 070) >> 3;
2161
2162                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
2163                 for(i = 0; i < 128; ++i)
2164                 {
2165                         int line = i/4;
2166                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2167                 }
2168                 qglPolygonStipple(stipple);
2169         }
2170         else
2171                 qglDisable(GL_POLYGON_STIPPLE);
2172
2173         if (r_timereport_active)
2174                 R_TimeReport("screenclear");
2175
2176         qglDrawBuffer(GL_BACK);
2177
2178         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
2179         {
2180                 matrix4x4_t originalmatrix = r_view.matrix;
2181                 matrix4x4_t offsetmatrix;
2182                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2183                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
2184
2185                 if (r_stereo_sidebyside.integer)
2186                         r_stereo_side = 0;
2187
2188                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2189                 {
2190                         r_view.colormask[0] = 1;
2191                         r_view.colormask[1] = 0;
2192                         r_view.colormask[2] = 0;
2193                 }
2194
2195                 if (vid.stereobuffer)
2196                         qglDrawBuffer(GL_BACK_RIGHT);
2197
2198                 SCR_DrawScreen();
2199
2200                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2201                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
2202
2203                 if (r_stereo_sidebyside.integer)
2204                         r_stereo_side = 1;
2205
2206                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2207                 {
2208                         r_view.colormask[0] = 0;
2209                         r_view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2210                         r_view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2211                 }
2212
2213                 if (vid.stereobuffer)
2214                         qglDrawBuffer(GL_BACK_LEFT);
2215
2216                 SCR_DrawScreen();
2217
2218                 r_view.matrix = originalmatrix;
2219         }
2220         else
2221                 SCR_DrawScreen();
2222
2223         SCR_CaptureVideo();
2224
2225         VID_Finish(true);
2226         if (r_timereport_active)
2227                 R_TimeReport("finish");
2228 }
2229
2230 void CL_Screen_NewMap(void)
2231 {
2232 }