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
  61 extern int      con_vislines;
  62
  63 static void SCR_ScreenShot_f (void);
  64 static void R_Envmap_f (void);
  65
  66 // backend
  67 void R_ClearScreen(void);
  68
  69 /*
  70 ===============================================================================
  71
  72 CENTER PRINTING
  73
  74 ===============================================================================
  75 */
  76
  77 char            scr_centerstring[MAX_INPUTLINE];
  78 float           scr_centertime_start;   // for slow victory printing
  79 float           scr_centertime_off;
  80 int                     scr_center_lines;
  81 int                     scr_erase_lines;
  82 int                     scr_erase_center;
  83
  84 /*
  85 ==============
  86 SCR_CenterPrint
  87
  88 Called for important messages that should stay in the center of the screen
  89 for a few moments
  90 ==============
  91 */
  92 void SCR_CenterPrint(char *str)
  93 {
  94         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
  95         scr_centertime_off = scr_centertime.value;
  96         scr_centertime_start = cl.time;
  97
  98 // count the number of lines for centering
  99         scr_center_lines = 1;
 100         while (*str)
 101         {
 102                 if (*str == '\n')
 103                         scr_center_lines++;
 104                 str++;
 105         }
 106 }
 107
 108
 109 void SCR_DrawCenterString (void)
 110 {
 111         char    *start;
 112         int             x, y;
 113         int             remaining;
 114         int             color;
 115
 116         if(cl.intermission == 2) // in finale,
 117                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 118                         return;
 119
 120 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 121         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 122                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 123         else
 124                 remaining = 9999;
 125
 126         scr_erase_center = 0;
 127         start = scr_centerstring;
 128
 129         if (remaining < 1)
 130                 return;
 131
 132         if (scr_center_lines <= 4)
 133                 y = (int)(vid_conheight.integer*0.35);
 134         else
 135                 y = 48;
 136
 137         color = -1;
 138         do
 139         {
 140                 // scan the number of characters on the line, not counting color codes
 141                 char *newline = strchr(start, '\n');
 142                 int l = newline ? (newline - start) : (int)strlen(start);
 143                 int chars = COM_StringLengthNoColors(start, l, NULL);
 144
 145                 x = (vid_conwidth.integer - chars*8)/2;
 146                 if (l > 0)
 147                 {
 148                         if (remaining < l)
 149                                 l = remaining;
 150                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false);
 151                         remaining -= l;
 152                         if (remaining <= 0)
 153                                 return;
 154                 }
 155                 y += 8;
 156
 157                 if (!newline)
 158                         break;
 159                 start = newline + 1; // skip the \n
 160         } while (1);
 161 }
 162
 163 void SCR_CheckDrawCenterString (void)
 164 {
 165         if (scr_center_lines > scr_erase_lines)
 166                 scr_erase_lines = scr_center_lines;
 167
 168         if (cl.time > cl.oldtime)
 169                 scr_centertime_off -= cl.time - cl.oldtime;
 170
 171         // don't draw if this is a normal stats-screen intermission,
 172         // only if it is not an intermission, or a finale intermission
 173         if (cl.intermission == 1)
 174                 return;
 175         if (scr_centertime_off <= 0 && !cl.intermission)
 176                 return;
 177         if (key_dest != key_game)
 178                 return;
 179
 180         SCR_DrawCenterString ();
 181 }
 182
 183 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])
 184 {
 185         int j, k, x, y, index, offset, height;
 186         // draw the bar graph itself
 187         // advance the packet counter because it is the latest packet column being
 188         // built up and should come last
 189         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 190         for (j = 0;j < NETGRAPH_PACKETS;j++)
 191         {
 192                 x = graphx + j * barwidth;
 193                 y = graphy + barheight;
 194                 index = (packetcounter + j) % NETGRAPH_PACKETS;
 195                 if (parameters[0][index] == NETGRAPH_LOSTPACKET)
 196                         DrawQ_Fill(x, y - barheight, barwidth, barheight, 1, 0, 0, 1, 0);
 197                 else if (parameters[0][index] == NETGRAPH_CHOKEDPACKET)
 198                         DrawQ_Fill(x, y - min(2, barheight), barwidth, min(2, barheight), 1, 1, 0, 1, 0);
 199                 else
 200                 {
 201                         offset = 0;
 202                         for (k = 0;k < numparameters;k++)
 203                         {
 204                                 height = (parameters[k][index] + bardivide - 1) / bardivide;
 205                                 height = min(height, barheight - offset);
 206                                 offset += height;
 207                                 if (height)
 208                                         DrawQ_Fill(x, y - offset, barwidth, height, parametercolors[k][0], parametercolors[k][1], parametercolors[k][2], parametercolors[k][3], 0);
 209                         }
 210                 }
 211         }
 212 }
 213
 214 const float netgraphcolors[3][4] =
 215 {
 216         {1  , 0.5, 0  , 1},
 217         {1  , 1  , 1  , 1},
 218         {0  , 1  , 0  , 1},
 219 };
 220
 221 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)
 222 {
 223         int numparameters;
 224         const int *parameters[3];
 225         // dim background
 226         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 227         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 228         // draw the bar graphs
 229         numparameters = 3;
 230         parameters[0] = conn->incoming_unreliablesize;
 231         parameters[1] = conn->incoming_reliablesize;
 232         parameters[2] = conn->incoming_acksize;
 233         SCR_DrawNetGraph_DrawGraph(graphx, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 234         parameters[0] = conn->outgoing_unreliablesize;
 235         parameters[1] = conn->outgoing_reliablesize;
 236         parameters[2] = conn->outgoing_acksize;
 237         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 238         // draw labels
 239         DrawQ_String(graphx                                          , graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 240         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 241 }
 242
 243 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)
 244 {
 245         int numparameters;
 246         const int *parameters[3];
 247         // dim background
 248         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 249         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 250         // draw the bar graphs
 251         numparameters = 3;
 252         parameters[0] = conn->outgoing_unreliablesize;
 253         parameters[1] = conn->outgoing_reliablesize;
 254         parameters[2] = conn->outgoing_acksize;
 255         SCR_DrawNetGraph_DrawGraph(graphx                                          , graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 256         parameters[0] = conn->incoming_unreliablesize;
 257         parameters[1] = conn->incoming_reliablesize;
 258         parameters[2] = conn->incoming_acksize;
 259         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 260         // draw labels
 261         DrawQ_String(graphx                                          , graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 262         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 263 }
 264
 265 /*
 266 ==============
 267 SCR_DrawNetGraph
 268 ==============
 269 */
 270 void SCR_DrawNetGraph (void)
 271 {
 272         int i, separator1, separator2, barwidth, barheight, bardivide, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 273
 274         if (cls.state != ca_connected)
 275                 return;
 276         if (!cls.netcon)
 277                 return;
 278         if (!shownetgraph.integer)
 279                 return;
 280
 281         separator1 = 2;
 282         separator2 = 4;
 283         textsize = 8;
 284         barwidth = 1;
 285         barheight = 50;
 286         bardivide = 20;
 287
 288         netgraphsperrow = (vid_conwidth.integer + separator2) / (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 289         netgraphsperrow = max(netgraphsperrow, 1);
 290
 291         index = 0;
 292         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 293         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 294         SCR_DrawNetGraph_DrawConnection_Client(cls.netcon, netgraph_x, netgraph_y, barwidth, barheight, bardivide, "incoming", separator1, "outgoing", textsize);
 295         index++;
 296
 297         if (sv.active && shownetgraph.integer >= 2)
 298         {
 299                 for (i = 0;i < svs.maxclients;i++)
 300                 {
 301                         if (!svs.clients[i].netconnection)
 302                                 continue;
 303                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 304                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 305                         SCR_DrawNetGraph_DrawConnection_Server(svs.clients[i].netconnection, netgraph_x, netgraph_y, barwidth, barheight, bardivide, va("%s", svs.clients[i].name), separator1, "", textsize);
 306                         index++;
 307                 }
 308         }
 309 }
 310
 311 /*
 312 ==============
 313 SCR_DrawTurtle
 314 ==============
 315 */
 316 void SCR_DrawTurtle (void)
 317 {
 318         static int      count;
 319
 320         if (cls.state != ca_connected)
 321                 return;
 322
 323         if (!scr_showturtle.integer)
 324                 return;
 325
 326         if (cl.realframetime < 0.1)
 327         {
 328                 count = 0;
 329                 return;
 330         }
 331
 332         count++;
 333         if (count < 3)
 334                 return;
 335
 336         DrawQ_Pic (0, 0, Draw_CachePic("gfx/turtle", true), 0, 0, 1, 1, 1, 1, 0);
 337 }
 338
 339 /*
 340 ==============
 341 SCR_DrawNet
 342 ==============
 343 */
 344 void SCR_DrawNet (void)
 345 {
 346         if (cls.state != ca_connected)
 347                 return;
 348         if (realtime - cl.last_received_message < 0.3)
 349                 return;
 350         if (cls.demoplayback)
 351                 return;
 352
 353         DrawQ_Pic (64, 0, Draw_CachePic("gfx/net", true), 0, 0, 1, 1, 1, 1, 0);
 354 }
 355
 356 /*
 357 ==============
 358 DrawPause
 359 ==============
 360 */
 361 void SCR_DrawPause (void)
 362 {
 363         cachepic_t      *pic;
 364
 365         if (cls.state != ca_connected)
 366                 return;
 367
 368         if (!scr_showpause.integer)             // turn off for screenshots
 369                 return;
 370
 371         if (!cl.paused)
 372                 return;
 373
 374         pic = Draw_CachePic ("gfx/pause", true);
 375         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 376 }
 377
 378 /*
 379 ==============
 380 SCR_DrawBrand
 381 ==============
 382 */
 383 void SCR_DrawBrand (void)
 384 {
 385         cachepic_t      *pic;
 386         float           x, y;
 387
 388         if (!scr_showbrand.value)
 389                 return;
 390
 391         pic = Draw_CachePic ("gfx/brand", true);
 392
 393         switch ((int)scr_showbrand.value)
 394         {
 395         case 1: // bottom left
 396                 x = 0;
 397                 y = vid_conheight.integer - pic->height;
 398                 break;
 399         case 2: // bottom centre
 400                 x = (vid_conwidth.integer - pic->width) / 2;
 401                 y = vid_conheight.integer - pic->height;
 402                 break;
 403         case 3: // bottom right
 404                 x = vid_conwidth.integer - pic->width;
 405                 y = vid_conheight.integer - pic->height;
 406                 break;
 407         case 4: // centre right
 408                 x = vid_conwidth.integer - pic->width;
 409                 y = (vid_conheight.integer - pic->height) / 2;
 410                 break;
 411         case 5: // top right
 412                 x = vid_conwidth.integer - pic->width;
 413                 y = 0;
 414                 break;
 415         case 6: // top centre
 416                 x = (vid_conwidth.integer - pic->width) / 2;
 417                 y = 0;
 418                 break;
 419         case 7: // top left
 420                 x = 0;
 421                 y = 0;
 422                 break;
 423         case 8: // centre left
 424                 x = 0;
 425                 y = (vid_conheight.integer - pic->height) / 2;
 426                 break;
 427         default:
 428                 return;
 429         }
 430
 431         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 432 }
 433
 434 /*
 435 ==============
 436 SCR_DrawQWDownload
 437 ==============
 438 */
 439 static int SCR_DrawQWDownload(int offset)
 440 {
 441         int len;
 442         float x, y;
 443         float size = 8;
 444         char temp[256];
 445         if (!cls.qw_downloadname[0])
 446         {
 447                 cls.qw_downloadspeedrate = 0;
 448                 cls.qw_downloadspeedtime = realtime;
 449                 cls.qw_downloadspeedcount = 0;
 450                 return 0;
 451         }
 452         if (realtime >= cls.qw_downloadspeedtime + 1)
 453         {
 454                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 455                 cls.qw_downloadspeedtime = realtime;
 456                 cls.qw_downloadspeedcount = 0;
 457         }
 458         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 459                 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);
 460         else
 461                 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);
 462         len = (int)strlen(temp);
 463         x = (vid_conwidth.integer - len*size) / 2;
 464         y = vid_conheight.integer - size - offset;
 465         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 0.5, 0);
 466         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true);
 467         return 8;
 468 }
 469
 470 /*
 471 ==============
 472 SCR_DrawCurlDownload
 473 ==============
 474 */
 475 static int SCR_DrawCurlDownload(int offset)
 476 {
 477         int len;
 478         int nDownloads;
 479         int i;
 480         float x, y;
 481         float size = 8;
 482         Curl_downloadinfo_t *downinfo;
 483         char temp[256];
 484         const char *addinfo;
 485
 486         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 487         if(!downinfo)
 488                 return 0;
 489
 490         y = vid_conheight.integer - size * nDownloads - offset;
 491
 492         if(addinfo)
 493         {
 494                 len = (int)strlen(addinfo);
 495                 x = (vid_conwidth.integer - len*size) / 2;
 496                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, 0.8, 0);
 497                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true);
 498         }
 499
 500         for(i = 0; i != nDownloads; ++i)
 501         {
 502                 if(downinfo[i].queued)
 503                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
 504                 else if(downinfo[i].progress <= 0)
 505                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
 506                 else
 507                         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);
 508                 len = (int)strlen(temp);
 509                 x = (vid_conwidth.integer - len*size) / 2;
 510                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, 0.8, 0);
 511                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true);
 512         }
 513
 514         Z_Free(downinfo);
 515
 516         return 8 * (nDownloads + (addinfo ? 1 : 0));
 517 }
 518
 519 /*
 520 ==============
 521 SCR_DrawDownload
 522 ==============
 523 */
 524 static void SCR_DrawDownload()
 525 {
 526         int offset = 0;
 527         offset += SCR_DrawQWDownload(offset);
 528         offset += SCR_DrawCurlDownload(offset);
 529 }
 530
 531 //=============================================================================
 532
 533 /*
 534 ==================
 535 SCR_SetUpToDrawConsole
 536 ==================
 537 */
 538 void SCR_SetUpToDrawConsole (void)
 539 {
 540         // lines of console to display
 541         float conlines;
 542         static int framecounter = 0;
 543
 544         Con_CheckResize ();
 545
 546         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 547         {
 548                 if (framecounter >= 2)
 549                         MR_ToggleMenu_f();
 550                 else
 551                         framecounter++;
 552         }
 553         else
 554                 framecounter = 0;
 555
 556         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 557                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 558         else
 559                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 560
 561 // decide on the height of the console
 562         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 563                 conlines = vid_conheight.integer/2;     // half screen
 564         else
 565                 conlines = 0;                           // none visible
 566
 567         scr_con_current = conlines;
 568 }
 569
 570 /*
 571 ==================
 572 SCR_DrawConsole
 573 ==================
 574 */
 575 void SCR_DrawConsole (void)
 576 {
 577         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 578         {
 579                 // full screen
 580                 Con_DrawConsole (vid_conheight.integer);
 581         }
 582         else if (scr_con_current)
 583                 Con_DrawConsole ((int)scr_con_current);
 584         else
 585         {
 586                 con_vislines = 0;
 587                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
 588                         Con_DrawNotify ();      // only draw notify in game
 589         }
 590 }
 591
 592 /*
 593 ===============
 594 SCR_BeginLoadingPlaque
 595
 596 ================
 597 */
 598 void SCR_BeginLoadingPlaque (void)
 599 {
 600         // save console log up to this point to log_file if it was set by configs
 601         Log_Start();
 602
 603         Host_StartVideo();
 604         SCR_UpdateLoadingScreen(false);
 605 }
 606
 607 //=============================================================================
 608
 609 char r_speeds_string[1024];
 610 int speedstringcount, r_timereport_active;
 611 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 612
 613 void R_TimeReport(char *desc)
 614 {
 615         char tempbuf[256];
 616         int length;
 617         int t;
 618
 619         if (r_speeds.integer < 2 || !r_timereport_active)
 620                 return;
 621
 622         CHECKGLERROR
 623         qglFinish();CHECKGLERROR
 624         r_timereport_temp = r_timereport_current;
 625         r_timereport_current = Sys_DoubleTime();
 626         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 627
 628         dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %-11s", t, desc);
 629         length = (int)strlen(tempbuf);
 630         if (speedstringcount + length > (vid_conwidth.integer / 8))
 631         {
 632                 strlcat(r_speeds_string, "\n", sizeof(r_speeds_string));
 633                 speedstringcount = 0;
 634         }
 635         strlcat(r_speeds_string, tempbuf, sizeof(r_speeds_string));
 636         speedstringcount += length;
 637 }
 638
 639 void R_TimeReport_Frame(void)
 640 {
 641         int i, j, lines, y;
 642         cl_locnode_t *loc;
 643
 644         if (r_speeds_string[0])
 645         {
 646                 if (r_timereport_active)
 647                 {
 648                         r_timereport_current = r_timereport_start;
 649                         R_TimeReport("total");
 650                 }
 651
 652                 if (r_speeds_string[strlen(r_speeds_string)-1] == '\n')
 653                         r_speeds_string[strlen(r_speeds_string)-1] = 0;
 654                 lines = 1;
 655                 for (i = 0;r_speeds_string[i];i++)
 656                         if (r_speeds_string[i] == '\n')
 657                                 lines++;
 658                 y = vid_conheight.integer - sb_lines - lines * 8;
 659                 i = j = 0;
 660                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 661                 while (r_speeds_string[i])
 662                 {
 663                         j = i;
 664                         while (r_speeds_string[i] && r_speeds_string[i] != '\n')
 665                                 i++;
 666                         if (i - j > 0)
 667                                 DrawQ_String(0, y, r_speeds_string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true);
 668                         if (r_speeds_string[i] == '\n')
 669                                 i++;
 670                         y += 8;
 671                 }
 672                 r_speeds_string[0] = 0;
 673                 r_timereport_active = false;
 674         }
 675         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 676         {
 677                 speedstringcount = 0;
 678                 r_speeds_string[0] = 0;
 679                 r_timereport_active = false;
 680                 // put the location name in the r_speeds display as it greatly helps
 681                 // when creating loc files
 682                 loc = CL_Locs_FindNearest(cl.movement_origin);
 683                 if (loc)
 684                         sprintf(r_speeds_string + strlen(r_speeds_string), "Location: %s\n", loc->name);
 685                 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]);
 686                 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);
 687                 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);
 688                 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);
 689                 if (r_refdef.stats.bloom)
 690                         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);
 691                 else
 692                         sprintf(r_speeds_string + strlen(r_speeds_string), "rendered%6i meshes%8i triangles\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3);
 693
 694                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 695
 696                 if (r_speeds.integer >= 2)
 697                 {
 698                         r_timereport_active = true;
 699                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 700                 }
 701         }
 702 }
 703
 704 /*
 705 =================
 706 SCR_SizeUp_f
 707
 708 Keybinding command
 709 =================
 710 */
 711 void SCR_SizeUp_f (void)
 712 {
 713         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 714 }
 715
 716
 717 /*
 718 =================
 719 SCR_SizeDown_f
 720
 721 Keybinding command
 722 =================
 723 */
 724 void SCR_SizeDown_f (void)
 725 {
 726         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 727 }
 728
 729 void SCR_CaptureVideo_EndVideo(void);
 730 void CL_Screen_Shutdown(void)
 731 {
 732         SCR_CaptureVideo_EndVideo();
 733 }
 734
 735 void CL_Screen_Init(void)
 736 {
 737         Cvar_RegisterVariable (&scr_fov);
 738         Cvar_RegisterVariable (&scr_viewsize);
 739         Cvar_RegisterVariable (&scr_conalpha);
 740         Cvar_RegisterVariable (&scr_conbrightness);
 741         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 742         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 743         Cvar_RegisterVariable (&scr_showram);
 744         Cvar_RegisterVariable (&scr_showturtle);
 745         Cvar_RegisterVariable (&scr_showpause);
 746         Cvar_RegisterVariable (&scr_showbrand);
 747         Cvar_RegisterVariable (&scr_centertime);
 748         Cvar_RegisterVariable (&scr_printspeed);
 749         Cvar_RegisterVariable (&vid_conwidth);
 750         Cvar_RegisterVariable (&vid_conheight);
 751         Cvar_RegisterVariable (&vid_pixelheight);
 752         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 753         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 754         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 755         Cvar_RegisterVariable (&cl_capturevideo);
 756         Cvar_RegisterVariable (&cl_capturevideo_width);
 757         Cvar_RegisterVariable (&cl_capturevideo_height);
 758         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 759         Cvar_RegisterVariable (&cl_capturevideo_fps);
 760         Cvar_RegisterVariable (&cl_capturevideo_number);
 761         Cvar_RegisterVariable (&r_letterbox);
 762         Cvar_RegisterVariable(&r_stereo_separation);
 763         Cvar_RegisterVariable(&r_stereo_sidebyside);
 764         Cvar_RegisterVariable(&r_stereo_redblue);
 765         Cvar_RegisterVariable(&r_stereo_redcyan);
 766         Cvar_RegisterVariable(&r_stereo_redgreen);
 767         Cvar_RegisterVariable(&r_stereo_angle);
 768         Cvar_RegisterVariable(&scr_zoomwindow);
 769         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 770         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 771         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 772         Cvar_RegisterVariable(&scr_stipple);
 773         Cvar_RegisterVariable(&scr_refresh);
 774         Cvar_RegisterVariable(&shownetgraph);
 775
 776         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 777         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 778         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 779         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 780
 781         scr_initialized = true;
 782 }
 783
 784 /*
 785 ==================
 786 SCR_ScreenShot_f
 787 ==================
 788 */
 789 void SCR_ScreenShot_f (void)
 790 {
 791         static int shotnumber;
 792         static char oldname[MAX_QPATH];
 793         char base[MAX_QPATH];
 794         char filename[MAX_QPATH];
 795         unsigned char *buffer1;
 796         unsigned char *buffer2;
 797         unsigned char *buffer3;
 798         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 799
 800         sprintf (base, "screenshots/%s", scr_screenshot_name.string);
 801
 802         if (strcmp (oldname, scr_screenshot_name.string))
 803         {
 804                 sprintf(oldname, "%s", scr_screenshot_name.string);
 805                 shotnumber = 0;
 806         }
 807
 808         // find a file name to save it to
 809         for (;shotnumber < 1000000;shotnumber++)
 810                 if (!FS_SysFileExists(va("%s/%s%06d.tga", fs_gamedir, base, shotnumber)) && !FS_SysFileExists(va("%s/%s%06d.jpg", fs_gamedir, base, shotnumber)))
 811                         break;
 812         if (shotnumber >= 1000000)
 813         {
 814                 Con_Print("SCR_ScreenShot_f: Couldn't create the image file\n");
 815                 return;
 816         }
 817
 818         sprintf(filename, "%s%06d.%s", base, shotnumber, jpeg ? "jpg" : "tga");
 819
 820         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 821         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 822         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
 823
 824         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
 825                 Con_Printf("Wrote %s\n", filename);
 826         else
 827                 Con_Printf("unable to write %s\n", filename);
 828
 829         Mem_Free (buffer1);
 830         Mem_Free (buffer2);
 831         Mem_Free (buffer3);
 832
 833         shotnumber++;
 834 }
 835
 836 static void SCR_CaptureVideo_RIFF_Start(void)
 837 {
 838         memset(&cls.capturevideo.riffbuffer, 0, sizeof(sizebuf_t));
 839         cls.capturevideo.riffbuffer.maxsize = sizeof(cls.capturevideo.riffbufferdata);
 840         cls.capturevideo.riffbuffer.data = cls.capturevideo.riffbufferdata;
 841 }
 842
 843 static void SCR_CaptureVideo_RIFF_Flush(void)
 844 {
 845         if (cls.capturevideo.riffbuffer.cursize > 0)
 846         {
 847                 if (!FS_Write(cls.capturevideo.videofile, cls.capturevideo.riffbuffer.data, cls.capturevideo.riffbuffer.cursize))
 848                         cls.capturevideo.error = true;
 849                 cls.capturevideo.riffbuffer.cursize = 0;
 850                 cls.capturevideo.riffbuffer.overflowed = false;
 851         }
 852 }
 853
 854 static void SCR_CaptureVideo_RIFF_WriteBytes(const unsigned char *data, size_t size)
 855 {
 856         SCR_CaptureVideo_RIFF_Flush();
 857         if (!FS_Write(cls.capturevideo.videofile, data, size))
 858                 cls.capturevideo.error = true;
 859 }
 860
 861 static void SCR_CaptureVideo_RIFF_Write32(int n)
 862 {
 863         if (cls.capturevideo.riffbuffer.cursize + 4 > cls.capturevideo.riffbuffer.maxsize)
 864                 SCR_CaptureVideo_RIFF_Flush();
 865         MSG_WriteLong(&cls.capturevideo.riffbuffer, n);
 866 }
 867
 868 static void SCR_CaptureVideo_RIFF_Write16(int n)
 869 {
 870         if (cls.capturevideo.riffbuffer.cursize + 2 > cls.capturevideo.riffbuffer.maxsize)
 871                 SCR_CaptureVideo_RIFF_Flush();
 872         MSG_WriteShort(&cls.capturevideo.riffbuffer, n);
 873 }
 874
 875 static void SCR_CaptureVideo_RIFF_WriteFourCC(const char *chunkfourcc)
 876 {
 877         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(chunkfourcc) > cls.capturevideo.riffbuffer.maxsize)
 878                 SCR_CaptureVideo_RIFF_Flush();
 879         MSG_WriteUnterminatedString(&cls.capturevideo.riffbuffer, chunkfourcc);
 880 }
 881
 882 static void SCR_CaptureVideo_RIFF_WriteTerminatedString(const char *string)
 883 {
 884         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(string) > cls.capturevideo.riffbuffer.maxsize)
 885                 SCR_CaptureVideo_RIFF_Flush();
 886         MSG_WriteString(&cls.capturevideo.riffbuffer, string);
 887 }
 888
 889 static fs_offset_t SCR_CaptureVideo_RIFF_GetPosition(void)
 890 {
 891         SCR_CaptureVideo_RIFF_Flush();
 892         return FS_Tell(cls.capturevideo.videofile);
 893 }
 894
 895 static void SCR_CaptureVideo_RIFF_Push(const char *chunkfourcc, const char *listtypefourcc)
 896 {
 897         SCR_CaptureVideo_RIFF_WriteFourCC(chunkfourcc);
 898         SCR_CaptureVideo_RIFF_Write32(0);
 899         SCR_CaptureVideo_RIFF_Flush();
 900         cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel++] = SCR_CaptureVideo_RIFF_GetPosition();
 901         if (listtypefourcc)
 902                 SCR_CaptureVideo_RIFF_WriteFourCC(listtypefourcc);
 903 }
 904
 905 static void SCR_CaptureVideo_RIFF_Pop(void)
 906 {
 907         fs_offset_t offset;
 908         int x;
 909         unsigned char sizebytes[4];
 910         // write out the chunk size and then return to the current file position
 911         cls.capturevideo.riffstacklevel--;
 912         offset = SCR_CaptureVideo_RIFF_GetPosition();
 913         x = (int)(offset - (cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel]));
 914         sizebytes[0] = (x) & 0xff;sizebytes[1] = (x >> 8) & 0xff;sizebytes[2] = (x >> 16) & 0xff;sizebytes[3] = (x >> 24) & 0xff;
 915         FS_Seek(cls.capturevideo.videofile, -(x + 4), SEEK_END);
 916         FS_Write(cls.capturevideo.videofile, sizebytes, 4);
 917         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
 918         if (offset & 1)
 919         {
 920                 unsigned char c = 0;
 921                 FS_Write(cls.capturevideo.videofile, &c, 1);
 922         }
 923 }
 924
 925 static void GrowBuf(sizebuf_t *buf, int extralen)
 926 {
 927         if(buf->cursize + extralen > buf->maxsize)
 928         {
 929                 int oldsize = buf->maxsize;
 930                 unsigned char *olddata;
 931                 olddata = buf->data;
 932                 buf->maxsize = max(buf->maxsize * 2, 4096);
 933                 buf->data = Mem_Alloc(tempmempool, buf->maxsize);
 934                 if(olddata)
 935                 {
 936                         memcpy(buf->data, olddata, oldsize);
 937                         Mem_Free(olddata);
 938                 }
 939         }
 940 }
 941
 942 static void SCR_CaptureVideo_RIFF_IndexEntry(const char *chunkfourcc, int chunksize, int flags)
 943 {
 944         if (cls.capturevideo.riffstacklevel != 2)
 945                 Sys_Error("SCR_Capturevideo_RIFF_IndexEntry: RIFF stack level is %i (should be 2)\n", cls.capturevideo.riffstacklevel);
 946         GrowBuf(&cls.capturevideo.riffindexbuffer, 16);
 947         SCR_CaptureVideo_RIFF_Flush();
 948         MSG_WriteUnterminatedString(&cls.capturevideo.riffindexbuffer, chunkfourcc);
 949         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, flags);
 950         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, (int)FS_Tell(cls.capturevideo.videofile) - cls.capturevideo.riffstackstartoffset[1]);
 951         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, chunksize);
 952 }
 953
 954 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)
 955 {
 956         int nMatching;
 957         int i;
 958         fs_offset_t ix = SCR_CaptureVideo_RIFF_GetPosition();
 959         fs_offset_t pos;
 960
 961         if(*masteridx_count >= AVI_MASTER_INDEX_SIZE)
 962                 return;
 963
 964         nMatching = 0; // go through index and enumerate them
 965         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
 966                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
 967                         ++nMatching;
 968
 969         SCR_CaptureVideo_RIFF_Push(fcc, NULL);
 970         SCR_CaptureVideo_RIFF_Write16(2); // wLongsPerEntry
 971         SCR_CaptureVideo_RIFF_Write16(0x0100); // bIndexType=1, bIndexSubType=0
 972         SCR_CaptureVideo_RIFF_Write32(nMatching); // nEntriesInUse
 973         SCR_CaptureVideo_RIFF_WriteFourCC(dwChunkId); // dwChunkId
 974         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.videofile_ix_movistart & (fs_offset_t) 0xFFFFFFFFu);
 975         SCR_CaptureVideo_RIFF_Write32(((fs_offset_t) cls.capturevideo.videofile_ix_movistart) >> 32);
 976         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved
 977
 978         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
 979                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
 980                 {
 981                         unsigned int *p = (unsigned int *) (cls.capturevideo.riffindexbuffer.data + i);
 982                         unsigned int flags = p[1];
 983                         unsigned int rpos = p[2];
 984                         unsigned int size = p[3];
 985                         size &= ~0x80000000;
 986                         if(!(flags & 0x10)) // no keyframe?
 987                                 size |= 0x80000000;
 988                         SCR_CaptureVideo_RIFF_Write32(rpos + 8);
 989                         SCR_CaptureVideo_RIFF_Write32(size);
 990                 }
 991
 992         SCR_CaptureVideo_RIFF_Pop();
 993         pos = SCR_CaptureVideo_RIFF_GetPosition();
 994         SCR_CaptureVideo_RIFF_Flush();
 995
 996         FS_Seek(cls.capturevideo.videofile, masteridx_start + 16 * *masteridx_count, SEEK_SET);
 997         SCR_CaptureVideo_RIFF_Write32(ix & (fs_offset_t) 0xFFFFFFFFu);
 998         SCR_CaptureVideo_RIFF_Write32(((fs_offset_t) ix) >> 32);
 999         SCR_CaptureVideo_RIFF_Write32(pos - ix);
1000         SCR_CaptureVideo_RIFF_Write32(nMatching);
1001         SCR_CaptureVideo_RIFF_Flush();
1002
1003         FS_Seek(cls.capturevideo.videofile, masteridx_counter, SEEK_SET);
1004         SCR_CaptureVideo_RIFF_Write32(++*masteridx_count);
1005         SCR_CaptureVideo_RIFF_Flush();
1006
1007         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1008 }
1009
1010 static void SCR_CaptureVideo_RIFF_Finish(qboolean final)
1011 {
1012         // close the "movi" list
1013         SCR_CaptureVideo_RIFF_Pop();
1014         if(cls.capturevideo.videofile_ix_master_video_inuse_offset)
1015                 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);
1016         if(cls.capturevideo.videofile_ix_master_audio_inuse_offset)
1017                 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);
1018         // write the idx1 chunk that we've been building while saving the frames (for old style players)
1019         if(final && cls.capturevideo.videofile_firstchunkframes_offset)
1020         // TODO replace index creating by OpenDML ix##/##ix/indx chunk so it works for more than one AVI part too
1021         {
1022                 SCR_CaptureVideo_RIFF_Push("idx1", NULL);
1023                 SCR_CaptureVideo_RIFF_WriteBytes(cls.capturevideo.riffindexbuffer.data, cls.capturevideo.riffindexbuffer.cursize);
1024                 SCR_CaptureVideo_RIFF_Pop();
1025         }
1026         cls.capturevideo.riffindexbuffer.cursize = 0;
1027         // pop the RIFF chunk itself
1028         while (cls.capturevideo.riffstacklevel > 0)
1029                 SCR_CaptureVideo_RIFF_Pop();
1030         SCR_CaptureVideo_RIFF_Flush();
1031         if(cls.capturevideo.videofile_firstchunkframes_offset)
1032         {
1033                 Con_DPrintf("Finishing first chunk (%d frames)\n", cls.capturevideo.frame);
1034                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_firstchunkframes_offset, SEEK_SET);
1035                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1036                 SCR_CaptureVideo_RIFF_Flush();
1037                 FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1038                 cls.capturevideo.videofile_firstchunkframes_offset = 0;
1039         }
1040         else
1041                 Con_DPrintf("Finishing another chunk (%d frames)\n", cls.capturevideo.frame);
1042 }
1043
1044 static void SCR_CaptureVideo_RIFF_OverflowCheck(int framesize)
1045 {
1046         fs_offset_t cursize, curfilesize;
1047         if (cls.capturevideo.riffstacklevel != 2)
1048                 Sys_Error("SCR_CaptureVideo_RIFF_OverflowCheck: chunk stack leakage!\n");
1049         // check where we are in the file
1050         SCR_CaptureVideo_RIFF_Flush();
1051         cursize = SCR_CaptureVideo_RIFF_GetPosition() - cls.capturevideo.riffstackstartoffset[0];
1052         curfilesize = SCR_CaptureVideo_RIFF_GetPosition();
1053
1054         // if this would overflow the windows limit of 1GB per RIFF chunk, we need
1055         // to close the current RIFF chunk and open another for future frames
1056         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
1057         {
1058                 SCR_CaptureVideo_RIFF_Finish(false);
1059                 // begin a new 1GB extended section of the AVI
1060                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVIX");
1061                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1062                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1063         }
1064 }
1065
1066 static void FindFraction(double val, int *num, int *denom, int denomMax)
1067 {
1068         int i;
1069         double bestdiff;
1070         // initialize
1071         bestdiff = fabs(val);
1072         *num = 0;
1073         *denom = 1;
1074
1075         for(i = 1; i <= denomMax; ++i)
1076         {
1077                 int inum = floor(0.5 + val * i);
1078                 double diff = fabs(val - inum / (double)i);
1079                 if(diff < bestdiff)
1080                 {
1081                         bestdiff = diff;
1082                         *num = inum;
1083                         *denom = i;
1084                 }
1085         }
1086 }
1087
1088 void SCR_CaptureVideo_BeginVideo(void)
1089 {
1090         double gamma, g, aspect;
1091         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1092         int n, d;
1093         unsigned int i;
1094         if (cls.capturevideo.active)
1095                 return;
1096         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1097         // soundrate is figured out on the first SoundFrame
1098
1099         if(width == 0 && height != 0)
1100                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1101         if(width != 0 && height == 0)
1102                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1103
1104         if(width < 2 || width > vid.width) // can't scale up
1105                 width = vid.width;
1106         if(height < 2 || height > vid.height) // can't scale up
1107                 height = vid.height;
1108
1109         aspect = vid.width / (vid.height * vid_pixelheight.value);
1110
1111         // ensure it's all even; if not, scale down a little
1112         if(width % 1)
1113                 --width;
1114         if(height % 1)
1115                 --height;
1116
1117         cls.capturevideo.width = width;
1118         cls.capturevideo.height = height;
1119         cls.capturevideo.active = true;
1120         cls.capturevideo.starttime = realtime;
1121         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1000);
1122         cls.capturevideo.soundrate = S_GetSoundRate();
1123         cls.capturevideo.frame = 0;
1124         cls.capturevideo.soundsampleframe = 0;
1125         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1126         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1127         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (3+3+3) + 18);
1128         gamma = 1.0/scr_screenshot_gammaboost.value;
1129         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/dpvideo%03i", cl_capturevideo_number.integer);
1130         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1131
1132         /*
1133         for (i = 0;i < 256;i++)
1134         {
1135                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1136                 cls.capturevideo.rgbgammatable[0][i] = j;
1137                 cls.capturevideo.rgbgammatable[1][i] = j;
1138                 cls.capturevideo.rgbgammatable[2][i] = j;
1139         }
1140         */
1141 /*
1142 R = Y + 1.4075 * (Cr - 128);
1143 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1144 B = Y + 1.7790 * (Cb - 128);
1145 Y = R *  .299 + G *  .587 + B *  .114;
1146 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1147 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1148 */
1149         for (i = 0;i < 256;i++)
1150         {
1151                 g = 255*pow(i/255.0, gamma);
1152                 // Y weights from RGB
1153                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(g *  0.299);
1154                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1155                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(g *  0.114);
1156                 // Cb weights from RGB
1157                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(g * -0.169);
1158                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1159                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(g *  0.500);
1160                 // Cr weights from RGB
1161                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(g *  0.500);
1162                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1163                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(g * -0.0813);
1164                 // range reduction of YCbCr to valid signal range
1165                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1166                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1167                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1168         }
1169
1170         //if (cl_capturevideo_)
1171         //{
1172         //}
1173         //else
1174         {
1175                 cls.capturevideo.format = CAPTUREVIDEOFORMAT_AVI_I420;
1176                 cls.capturevideo.videofile = FS_Open (va("%s.avi", cls.capturevideo.basename), "wb", false, true);
1177                 SCR_CaptureVideo_RIFF_Start();
1178                 // 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)
1179                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVI ");
1180                 // AVI main header
1181                 SCR_CaptureVideo_RIFF_Push("LIST", "hdrl");
1182                 SCR_CaptureVideo_RIFF_Push("avih", NULL);
1183                 SCR_CaptureVideo_RIFF_Write32((int)(1000000.0 / cls.capturevideo.framerate)); // microseconds per frame
1184                 SCR_CaptureVideo_RIFF_Write32(0); // max bytes per second
1185                 SCR_CaptureVideo_RIFF_Write32(0); // padding granularity
1186                 SCR_CaptureVideo_RIFF_Write32(0x910); // flags (AVIF_HASINDEX | AVIF_ISINTERLEAVED | AVIF_TRUSTCKTYPE)
1187                 cls.capturevideo.videofile_firstchunkframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1188                 SCR_CaptureVideo_RIFF_Write32(0); // total frames
1189                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1190                 if (cls.capturevideo.soundrate)
1191                         SCR_CaptureVideo_RIFF_Write32(2); // number of streams
1192                 else
1193                         SCR_CaptureVideo_RIFF_Write32(1); // number of streams
1194                 SCR_CaptureVideo_RIFF_Write32(0); // suggested buffer size
1195                 SCR_CaptureVideo_RIFF_Write32(width); // width
1196                 SCR_CaptureVideo_RIFF_Write32(height); // height
1197                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[0]
1198                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[1]
1199                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[2]
1200                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[3]
1201                 SCR_CaptureVideo_RIFF_Pop();
1202                 // video stream info
1203                 SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1204                 SCR_CaptureVideo_RIFF_Push("strh", "vids");
1205                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // stream fourcc (I420 colorspace, uncompressed)
1206                 SCR_CaptureVideo_RIFF_Write32(0); // flags
1207                 SCR_CaptureVideo_RIFF_Write16(0); // priority
1208                 SCR_CaptureVideo_RIFF_Write16(0); // language
1209                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1210                 // find an ideal divisor for the framerate
1211                 FindFraction(cls.capturevideo.framerate, &n, &d, 1000);
1212                 SCR_CaptureVideo_RIFF_Write32(d); // samples/second divisor
1213                 SCR_CaptureVideo_RIFF_Write32(n); // samples/second multiplied by divisor
1214                 SCR_CaptureVideo_RIFF_Write32(0); // start
1215                 cls.capturevideo.videofile_totalframes_offset1 = SCR_CaptureVideo_RIFF_GetPosition();
1216                 SCR_CaptureVideo_RIFF_Write32(0); // length
1217                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // suggested buffer size
1218                 SCR_CaptureVideo_RIFF_Write32(0); // quality
1219                 SCR_CaptureVideo_RIFF_Write32(0); // sample size
1220                 SCR_CaptureVideo_RIFF_Write16(0); // frame left
1221                 SCR_CaptureVideo_RIFF_Write16(0); // frame top
1222                 SCR_CaptureVideo_RIFF_Write16(width); // frame right
1223                 SCR_CaptureVideo_RIFF_Write16(height); // frame bottom
1224                 SCR_CaptureVideo_RIFF_Pop();
1225                 // video stream format
1226                 SCR_CaptureVideo_RIFF_Push("strf", NULL);
1227                 SCR_CaptureVideo_RIFF_Write32(40); // BITMAPINFO struct size
1228                 SCR_CaptureVideo_RIFF_Write32(width); // width
1229                 SCR_CaptureVideo_RIFF_Write32(height); // height
1230                 SCR_CaptureVideo_RIFF_Write16(3); // planes
1231                 SCR_CaptureVideo_RIFF_Write16(12); // bitcount
1232                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // compression
1233                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // size of image
1234                 SCR_CaptureVideo_RIFF_Write32(0); // x pixels per meter
1235                 SCR_CaptureVideo_RIFF_Write32(0); // y pixels per meter
1236                 SCR_CaptureVideo_RIFF_Write32(0); // color used
1237                 SCR_CaptureVideo_RIFF_Write32(0); // color important
1238                 SCR_CaptureVideo_RIFF_Pop();
1239                 // master index
1240                 SCR_CaptureVideo_RIFF_Push("indx", NULL);
1241                 SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1242                 SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1243                 cls.capturevideo.videofile_ix_master_video_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1244                 SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1245                 SCR_CaptureVideo_RIFF_WriteFourCC("00dc"); // dwChunkId
1246                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1247                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1248                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1249                 cls.capturevideo.videofile_ix_master_video_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1250                 for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1251                         SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1252                 SCR_CaptureVideo_RIFF_Pop();
1253                 // extended format (aspect!)
1254                 SCR_CaptureVideo_RIFF_Push("vprp", NULL);
1255                 SCR_CaptureVideo_RIFF_Write32(0); // VideoFormatToken
1256                 SCR_CaptureVideo_RIFF_Write32(0); // VideoStandard
1257                 SCR_CaptureVideo_RIFF_Write32((int)cls.capturevideo.framerate); // dwVerticalRefreshRate (bogus)
1258                 SCR_CaptureVideo_RIFF_Write32(width); // dwHTotalInT
1259                 SCR_CaptureVideo_RIFF_Write32(height); // dwVTotalInLines
1260                 FindFraction(aspect, &n, &d, 1000);
1261                 SCR_CaptureVideo_RIFF_Write32((n << 16) | d); // dwFrameAspectRatio // TODO a word
1262                 SCR_CaptureVideo_RIFF_Write32(width); // dwFrameWidthInPixels
1263                 SCR_CaptureVideo_RIFF_Write32(height); // dwFrameHeightInLines
1264                 SCR_CaptureVideo_RIFF_Write32(1); // nFieldPerFrame
1265                 SCR_CaptureVideo_RIFF_Write32(width); // CompressedBMWidth
1266                 SCR_CaptureVideo_RIFF_Write32(height); // CompressedBMHeight
1267                 SCR_CaptureVideo_RIFF_Write32(width); // ValidBMHeight
1268                 SCR_CaptureVideo_RIFF_Write32(height); // ValidBMWidth
1269                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffset
1270                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYOffset
1271                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffsetInT
1272                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYValidStartLine
1273                 SCR_CaptureVideo_RIFF_Pop();
1274                 SCR_CaptureVideo_RIFF_Pop();
1275                 if (cls.capturevideo.soundrate)
1276                 {
1277                         // audio stream info
1278                         SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1279                         SCR_CaptureVideo_RIFF_Push("strh", "auds");
1280                         SCR_CaptureVideo_RIFF_Write32(1); // stream fourcc (PCM audio, uncompressed)
1281                         SCR_CaptureVideo_RIFF_Write32(0); // flags
1282                         SCR_CaptureVideo_RIFF_Write16(0); // priority
1283                         SCR_CaptureVideo_RIFF_Write16(0); // language
1284                         SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1285                         SCR_CaptureVideo_RIFF_Write32(1); // samples/second divisor
1286                         SCR_CaptureVideo_RIFF_Write32((int)(cls.capturevideo.soundrate)); // samples/second multiplied by divisor
1287                         SCR_CaptureVideo_RIFF_Write32(0); // start
1288                         cls.capturevideo.videofile_totalsampleframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1289                         SCR_CaptureVideo_RIFF_Write32(0); // length
1290                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 2); // suggested buffer size (this is a half second)
1291                         SCR_CaptureVideo_RIFF_Write32(0); // quality
1292                         SCR_CaptureVideo_RIFF_Write32(4); // sample size
1293                         SCR_CaptureVideo_RIFF_Write16(0); // frame left
1294                         SCR_CaptureVideo_RIFF_Write16(0); // frame top
1295                         SCR_CaptureVideo_RIFF_Write16(0); // frame right
1296                         SCR_CaptureVideo_RIFF_Write16(0); // frame bottom
1297                         SCR_CaptureVideo_RIFF_Pop();
1298                         // audio stream format
1299                         SCR_CaptureVideo_RIFF_Push("strf", NULL);
1300                         SCR_CaptureVideo_RIFF_Write16(1); // format (uncompressed PCM?)
1301                         SCR_CaptureVideo_RIFF_Write16(2); // channels (stereo)
1302                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate); // sampleframes per second
1303                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 4); // average bytes per second
1304                         SCR_CaptureVideo_RIFF_Write16(4); // block align
1305                         SCR_CaptureVideo_RIFF_Write16(16); // bits per sample
1306                         SCR_CaptureVideo_RIFF_Write16(0); // size
1307                         SCR_CaptureVideo_RIFF_Pop();
1308                         // master index
1309                         SCR_CaptureVideo_RIFF_Push("indx", NULL);
1310                         SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1311                         SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1312                         cls.capturevideo.videofile_ix_master_audio_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1313                         SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1314                         SCR_CaptureVideo_RIFF_WriteFourCC("01wb"); // dwChunkId
1315                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1316                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1317                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1318                         cls.capturevideo.videofile_ix_master_audio_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1319                         for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1320                                 SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1321                         SCR_CaptureVideo_RIFF_Pop();
1322                         SCR_CaptureVideo_RIFF_Pop();
1323                 }
1324
1325                 cls.capturevideo.videofile_ix_master_audio_inuse = cls.capturevideo.videofile_ix_master_video_inuse = 0;
1326
1327                 // extended header (for total #frames)
1328                 SCR_CaptureVideo_RIFF_Push("LIST", "odml");
1329                 SCR_CaptureVideo_RIFF_Push("dmlh", NULL);
1330                 cls.capturevideo.videofile_totalframes_offset2 = SCR_CaptureVideo_RIFF_GetPosition();
1331                 SCR_CaptureVideo_RIFF_Write32(0);
1332                 SCR_CaptureVideo_RIFF_Pop();
1333                 SCR_CaptureVideo_RIFF_Pop();
1334
1335                 // close the AVI header list
1336                 SCR_CaptureVideo_RIFF_Pop();
1337                 // software that produced this AVI video file
1338                 SCR_CaptureVideo_RIFF_Push("LIST", "INFO");
1339                 SCR_CaptureVideo_RIFF_Push("ISFT", NULL);
1340                 SCR_CaptureVideo_RIFF_WriteTerminatedString(engineversion);
1341                 SCR_CaptureVideo_RIFF_Pop();
1342                 // enable this junk filler if you like the LIST movi to always begin at 4KB in the file (why?)
1343 #if 0
1344                 SCR_CaptureVideo_RIFF_Push("JUNK", NULL);
1345                 x = 4096 - SCR_CaptureVideo_RIFF_GetPosition();
1346                 while (x > 0)
1347                 {
1348                         const char *junkfiller = "[ DarkPlaces junk data ]";
1349                         int i = min(x, (int)strlen(junkfiller));
1350                         SCR_CaptureVideo_RIFF_WriteBytes((const unsigned char *)junkfiller, i);
1351                         x -= i;
1352                 }
1353                 SCR_CaptureVideo_RIFF_Pop();
1354 #endif
1355                 SCR_CaptureVideo_RIFF_Pop();
1356                 // begin the actual video section now
1357                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1358                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1359                 // we're done with the headers now...
1360                 SCR_CaptureVideo_RIFF_Flush();
1361                 if (cls.capturevideo.riffstacklevel != 2)
1362                         Sys_Error("SCR_CaptureVideo_BeginVideo: broken AVI writing code (stack level is %i (should be 2) at end of headers)\n", cls.capturevideo.riffstacklevel);
1363         }
1364
1365         switch(cls.capturevideo.format)
1366         {
1367         case CAPTUREVIDEOFORMAT_AVI_I420:
1368                 break;
1369         default:
1370                 break;
1371         }
1372 }
1373
1374 void SCR_CaptureVideo_EndVideo(void)
1375 {
1376         if (!cls.capturevideo.active)
1377                 return;
1378         cls.capturevideo.active = false;
1379         if (cls.capturevideo.videofile)
1380         {
1381                 switch(cls.capturevideo.format)
1382                 {
1383                 case CAPTUREVIDEOFORMAT_AVI_I420:
1384                         // close any open chunks
1385                         SCR_CaptureVideo_RIFF_Finish(true);
1386                         // go back and fix the video frames and audio samples fields
1387                         Con_DPrintf("Finishing capture (%d frames, %d audio frames)\n", cls.capturevideo.frame, cls.capturevideo.soundsampleframe);
1388                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset1, SEEK_SET);
1389                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1390                         SCR_CaptureVideo_RIFF_Flush();
1391                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset2, SEEK_SET);
1392                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1393                         SCR_CaptureVideo_RIFF_Flush();
1394                         if (cls.capturevideo.soundrate)
1395                         {
1396                                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalsampleframes_offset, SEEK_SET);
1397                                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundsampleframe);
1398                                 SCR_CaptureVideo_RIFF_Flush();
1399                         }
1400                         break;
1401                 default:
1402                         break;
1403                 }
1404                 FS_Close(cls.capturevideo.videofile);
1405                 cls.capturevideo.videofile = NULL;
1406         }
1407
1408         if (cls.capturevideo.screenbuffer)
1409         {
1410                 Mem_Free (cls.capturevideo.screenbuffer);
1411                 cls.capturevideo.screenbuffer = NULL;
1412         }
1413
1414         if (cls.capturevideo.outbuffer)
1415         {
1416                 Mem_Free (cls.capturevideo.outbuffer);
1417                 cls.capturevideo.outbuffer = NULL;
1418         }
1419
1420         if (cls.capturevideo.riffindexbuffer.data)
1421         {
1422                 Mem_Free(cls.capturevideo.riffindexbuffer.data);
1423                 cls.capturevideo.riffindexbuffer.data = NULL;
1424         }
1425
1426         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1427 }
1428
1429 // converts from RGB24 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
1430 void SCR_CaptureVideo_ConvertFrame_RGB_to_I420_flip(int width, int height, unsigned char *instart, unsigned char *outstart)
1431 {
1432         int x, y;
1433         int outoffset = (width/2)*(height/2);
1434         unsigned char *b, *out;
1435         // process one line at a time, and CbCr every other line at 2 pixel intervals
1436         for (y = 0;y < height;y++)
1437         {
1438                 // 1x1 Y
1439                 for (b = instart + (height-1-y)*width*3, out = outstart + y*width, x = 0;x < width;x++, b += 3, out++)
1440                         *out = cls.capturevideo.yuvnormalizetable[0][cls.capturevideo.rgbtoyuvscaletable[0][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[0][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[0][2][b[2]]];
1441                 if ((y & 1) == 0)
1442                 {
1443                         // 2x2 Cr and Cb planes
1444 #if 0
1445                         // low quality, no averaging
1446                         for (b = instart + (height-2-y)*width*3, out = outstart + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 6, out++)
1447                         {
1448                                 // Cr
1449                                 out[0        ] = cls.capturevideo.yuvnormalizetable[1][cls.capturevideo.rgbtoyuvscaletable[1][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[1][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[1][2][b[2]] + 128];
1450                                 // Cb
1451                                 out[outoffset] = cls.capturevideo.yuvnormalizetable[2][cls.capturevideo.rgbtoyuvscaletable[2][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[2][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[2][2][b[2]] + 128];
1452                         }
1453 #else
1454                         // high quality, averaging
1455                         int inpitch = width*3;
1456                         for (b = instart + (height-2-y)*width*3, out = outstart + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 6, out++)
1457                         {
1458                                 int blockr, blockg, blockb;
1459                                 blockr = (b[0] + b[3] + b[inpitch+0] + b[inpitch+3]) >> 2;
1460                                 blockg = (b[1] + b[4] + b[inpitch+1] + b[inpitch+4]) >> 2;
1461                                 blockb = (b[2] + b[5] + b[inpitch+2] + b[inpitch+5]) >> 2;
1462                                 // Cr
1463                                 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];
1464                                 // Cb
1465                                 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];
1466                         }
1467 #endif
1468                 }
1469         }
1470 }
1471
1472 static void SCR_ScaleDown(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1473 {
1474         // TODO optimize this function
1475
1476         int x, y;
1477         float area;
1478
1479         // memcpy is faster than me
1480         if(inw == outw && inh == outh)
1481         {
1482                 memcpy(out, in, 3 * inw * inh);
1483                 return;
1484         }
1485
1486         // otherwise: a box filter
1487         area = (float)outw * (float)outh / (float)inw / (float)inh;
1488         for(y = 0; y < outh; ++y)
1489         {
1490                 float iny0 =  y    / (float)outh * inh; int iny0_i = floor(iny0);
1491                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = ceil(iny1);
1492                 for(x = 0; x < outw; ++x)
1493                 {
1494                         float inx0 =  x    / (float)outw * inw; int inx0_i = floor(inx0);
1495                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = ceil(inx1);
1496                         float r = 0, g = 0, b = 0;
1497                         int xx, yy;
1498
1499                         for(yy = iny0_i; yy < iny1_i; ++yy)
1500                         {
1501                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1502                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1503                                 {
1504                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1505                                         r += a * in[3*(xx + inw * yy)+0];
1506                                         g += a * in[3*(xx + inw * yy)+1];
1507                                         b += a * in[3*(xx + inw * yy)+2];
1508                                 }
1509                         }
1510
1511                         out[3*(x + outw * y)+0] = r * area;
1512                         out[3*(x + outw * y)+1] = g * area;
1513                         out[3*(x + outw * y)+2] = b * area;
1514                 }
1515         }
1516 }
1517
1518 qboolean SCR_CaptureVideo_VideoFrame(int newframenum)
1519 {
1520         int x = 0, y = 0, width = cls.capturevideo.width, height = cls.capturevideo.height;
1521         unsigned char *in, *out;
1522         CHECKGLERROR
1523         //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);
1524         // speed is critical here, so do saving as directly as possible
1525         switch (cls.capturevideo.format)
1526         {
1527         case CAPTUREVIDEOFORMAT_AVI_I420:
1528                 // if there's no videofile we have to just give up, and abort saving
1529                 if (!cls.capturevideo.videofile)
1530                         return false;
1531                 // FIXME: width/height must be multiple of 2, enforce this?
1532                 qglReadPixels (x, y, vid.width, vid.height, GL_RGB, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1533                 SCR_ScaleDown (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1534                 in = cls.capturevideo.outbuffer;
1535                 out = cls.capturevideo.outbuffer + width*height*3;
1536                 SCR_CaptureVideo_ConvertFrame_RGB_to_I420_flip(width, height, in, out);
1537                 x = width*height+(width/2)*(height/2)*2;
1538                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1539                 for (;cls.capturevideo.frame < newframenum;cls.capturevideo.frame++)
1540                 {
1541                         SCR_CaptureVideo_RIFF_IndexEntry("00dc", x, 0x10); // AVIIF_KEYFRAME
1542                         SCR_CaptureVideo_RIFF_Push("00dc", NULL);
1543                         SCR_CaptureVideo_RIFF_WriteBytes(out, x);
1544                         SCR_CaptureVideo_RIFF_Pop();
1545                 }
1546                 return true;
1547         default:
1548                 return false;
1549         }
1550 }
1551
1552 void SCR_CaptureVideo_SoundFrame(unsigned char *bufstereo16le, size_t length, int rate)
1553 {
1554         int x;
1555         cls.capturevideo.soundrate = rate;
1556         cls.capturevideo.soundsampleframe += length;
1557         switch (cls.capturevideo.format)
1558         {
1559         case CAPTUREVIDEOFORMAT_AVI_I420:
1560                 x = length*4;
1561                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1562                 SCR_CaptureVideo_RIFF_IndexEntry("01wb", x, 0x10); // AVIIF_KEYFRAME
1563                 SCR_CaptureVideo_RIFF_Push("01wb", NULL);
1564                 SCR_CaptureVideo_RIFF_WriteBytes(bufstereo16le, x);
1565                 SCR_CaptureVideo_RIFF_Pop();
1566                 break;
1567         default:
1568                 break;
1569         }
1570 }
1571
1572 void SCR_CaptureVideo(void)
1573 {
1574         int newframenum;
1575         if (cl_capturevideo.integer && r_render.integer)
1576         {
1577                 if (!cls.capturevideo.active)
1578                         SCR_CaptureVideo_BeginVideo();
1579                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value)
1580                 {
1581                         Con_Printf("You can not change the video framerate while recording a video.\n");
1582                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate);
1583                 }
1584                 // for AVI saving we have to make sure that sound is saved before video
1585                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1586                         return;
1587                 if (cls.capturevideo.realtime)
1588                 {
1589                         // preserve sound sync by duplicating frames when running slow
1590                         newframenum = (int)((realtime - cls.capturevideo.starttime) * cls.capturevideo.framerate);
1591                 }
1592                 else
1593                         newframenum = cls.capturevideo.frame + 1;
1594                 // if falling behind more than one second, stop
1595                 if (newframenum - cls.capturevideo.frame > (int)ceil(cls.capturevideo.framerate))
1596                 {
1597                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1598                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1599                         SCR_CaptureVideo_EndVideo();
1600                         return;
1601                 }
1602                 // write frames
1603                 SCR_CaptureVideo_VideoFrame(newframenum);
1604                 if (cls.capturevideo.error)
1605                 {
1606                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1607                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1608                         SCR_CaptureVideo_EndVideo();
1609                 }
1610         }
1611         else if (cls.capturevideo.active)
1612                 SCR_CaptureVideo_EndVideo();
1613 }
1614
1615 /*
1616 ===============
1617 R_Envmap_f
1618
1619 Grab six views for environment mapping tests
1620 ===============
1621 */
1622 struct envmapinfo_s
1623 {
1624         float angles[3];
1625         char *name;
1626         qboolean flipx, flipy, flipdiagonaly;
1627 }
1628 envmapinfo[12] =
1629 {
1630         {{  0,   0, 0}, "rt", false, false, false},
1631         {{  0, 270, 0}, "ft", false, false, false},
1632         {{  0, 180, 0}, "lf", false, false, false},
1633         {{  0,  90, 0}, "bk", false, false, false},
1634         {{-90, 180, 0}, "up",  true,  true, false},
1635         {{ 90, 180, 0}, "dn",  true,  true, false},
1636
1637         {{  0,   0, 0}, "px",  true,  true,  true},
1638         {{  0,  90, 0}, "py", false,  true, false},
1639         {{  0, 180, 0}, "nx", false, false,  true},
1640         {{  0, 270, 0}, "ny",  true, false, false},
1641         {{-90, 180, 0}, "pz", false, false,  true},
1642         {{ 90, 180, 0}, "nz", false, false,  true}
1643 };
1644
1645 static void R_Envmap_f (void)
1646 {
1647         int j, size;
1648         char filename[MAX_QPATH], basename[MAX_QPATH];
1649         unsigned char *buffer1;
1650         unsigned char *buffer2;
1651         unsigned char *buffer3;
1652
1653         if (Cmd_Argc() != 3)
1654         {
1655                 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");
1656                 return;
1657         }
1658
1659         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1660         size = atoi(Cmd_Argv(2));
1661         if (size != 128 && size != 256 && size != 512 && size != 1024)
1662         {
1663                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1664                 return;
1665         }
1666         if (size > vid.width || size > vid.height)
1667         {
1668                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1669                 return;
1670         }
1671
1672         r_refdef.envmap = true;
1673
1674         R_UpdateVariables();
1675
1676         r_view.x = 0;
1677         r_view.y = 0;
1678         r_view.z = 0;
1679         r_view.width = size;
1680         r_view.height = size;
1681         r_view.depth = 1;
1682         r_view.useperspective = true;
1683
1684         r_view.frustum_x = tan(90 * M_PI / 360.0);
1685         r_view.frustum_y = tan(90 * M_PI / 360.0);
1686
1687         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1688         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1689         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1690
1691         for (j = 0;j < 12;j++)
1692         {
1693                 sprintf(filename, "env/%s%s.tga", basename, envmapinfo[j].name);
1694                 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);
1695                 R_ClearScreen();
1696                 R_Mesh_Start();
1697                 R_RenderView();
1698                 R_Mesh_Finish();
1699                 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);
1700         }
1701
1702         Mem_Free (buffer1);
1703         Mem_Free (buffer2);
1704         Mem_Free (buffer3);
1705
1706         r_refdef.envmap = false;
1707 }
1708
1709 //=============================================================================
1710
1711 void SHOWLMP_decodehide(void)
1712 {
1713         int i;
1714         char *lmplabel;
1715         lmplabel = MSG_ReadString();
1716         for (i = 0;i < cl.num_showlmps;i++)
1717                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1718                 {
1719                         cl.showlmps[i].isactive = false;
1720                         return;
1721                 }
1722 }
1723
1724 void SHOWLMP_decodeshow(void)
1725 {
1726         int k;
1727         char lmplabel[256], picname[256];
1728         float x, y;
1729         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1730         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1731         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1732         {
1733                 x = MSG_ReadByte();
1734                 y = MSG_ReadByte();
1735         }
1736         else
1737         {
1738                 x = MSG_ReadShort();
1739                 y = MSG_ReadShort();
1740         }
1741         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1742         {
1743                 showlmp_t *oldshowlmps = cl.showlmps;
1744                 cl.max_showlmps += 16;
1745                 cl.showlmps = Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1746                 if (cl.num_showlmps)
1747                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1748                 if (oldshowlmps)
1749                         Mem_Free(oldshowlmps);
1750         }
1751         for (k = 0;k < cl.max_showlmps;k++)
1752                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1753                         break;
1754         if (k == cl.max_showlmps)
1755                 for (k = 0;k < cl.max_showlmps;k++)
1756                         if (!cl.showlmps[k].isactive)
1757                                 break;
1758         cl.showlmps[k].isactive = true;
1759         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1760         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1761         cl.showlmps[k].x = x;
1762         cl.showlmps[k].y = y;
1763         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1764 }
1765
1766 void SHOWLMP_drawall(void)
1767 {
1768         int i;
1769         for (i = 0;i < cl.num_showlmps;i++)
1770                 if (cl.showlmps[i].isactive)
1771                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic(cl.showlmps[i].pic, true), 0, 0, 1, 1, 1, 1, 0);
1772 }
1773
1774 /*
1775 ==============================================================================
1776
1777                                                 SCREEN SHOTS
1778
1779 ==============================================================================
1780 */
1781
1782 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)
1783 {
1784         int     indices[3] = {0,1,2};
1785         qboolean ret;
1786
1787         if (!r_render.integer)
1788                 return false;
1789
1790         CHECKGLERROR
1791         qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1792
1793         if (scr_screenshot_gammaboost.value != 1 && gammacorrect)
1794         {
1795                 int i;
1796                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1797                 unsigned char ramp[256];
1798                 for (i = 0;i < 256;i++)
1799                         ramp[i] = (unsigned char) (pow(i * (1.0 / 255.0), igamma) * 255.0);
1800                 for (i = 0;i < width*height*3;i++)
1801                         buffer1[i] = ramp[buffer1[i]];
1802         }
1803
1804         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1805
1806         if (jpeg)
1807                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1808         else
1809                 ret = Image_WriteTGARGB_preflipped (filename, width, height, buffer2, buffer3);
1810
1811         return ret;
1812 }
1813
1814 //=============================================================================
1815
1816 void R_ClearScreen(void)
1817 {
1818         // clear to black
1819         CHECKGLERROR
1820         if (r_refdef.fogenabled)
1821         {
1822                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1823         }
1824         else
1825         {
1826                 qglClearColor(0,0,0,0);CHECKGLERROR
1827         }
1828         qglClearDepth(1);CHECKGLERROR
1829         if (gl_stencil)
1830         {
1831                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1832                 // to avoid clamping interfering with strange shadow volume
1833                 // drawing orders
1834                 qglClearStencil(128);CHECKGLERROR
1835         }
1836         // clear the screen
1837         if (r_render.integer)
1838                 GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
1839         // set dithering mode
1840         if (gl_dither.integer)
1841         {
1842                 qglEnable(GL_DITHER);CHECKGLERROR
1843         }
1844         else
1845         {
1846                 qglDisable(GL_DITHER);CHECKGLERROR
1847         }
1848 }
1849
1850 qboolean CL_VM_UpdateView (void);
1851 void SCR_DrawConsole (void);
1852 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1853
1854 int r_stereo_side;
1855
1856 void SCR_DrawScreen (void)
1857 {
1858         R_Mesh_Start();
1859
1860         if (r_timereport_active)
1861                 R_TimeReport("screensetup");
1862
1863         R_UpdateVariables();
1864
1865         // Quake uses clockwise winding, so these are swapped
1866         r_view.cullface_front = GL_BACK;
1867         r_view.cullface_back = GL_FRONT;
1868
1869         if (cls.signon == SIGNONS)
1870         {
1871                 float size;
1872
1873                 size = scr_viewsize.value * (1.0 / 100.0);
1874                 size = min(size, 1);
1875
1876                 if (r_stereo_sidebyside.integer)
1877                 {
1878                         r_view.width = (int)(vid.width * size / 2.5);
1879                         r_view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1880                         r_view.depth = 1;
1881                         r_view.x = (int)((vid.width - r_view.width * 2.5) * 0.5);
1882                         r_view.y = (int)((vid.height - r_view.height)/2);
1883                         r_view.z = 0;
1884                         if (r_stereo_side)
1885                                 r_view.x += (int)(r_view.width * 1.5);
1886                 }
1887                 else
1888                 {
1889                         r_view.width = (int)(vid.width * size);
1890                         r_view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1891                         r_view.depth = 1;
1892                         r_view.x = (int)((vid.width - r_view.width)/2);
1893                         r_view.y = (int)((vid.height - r_view.height)/2);
1894                         r_view.z = 0;
1895                 }
1896
1897                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1898                 // LordHavoc: this is designed to produce widescreen fov values
1899                 // when the screen is wider than 4/3 width/height aspect, to do
1900                 // this it simply assumes the requested fov is the vertical fov
1901                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1902                 // higher/lower according to the ratio
1903                 r_view.useperspective = true;
1904                 r_view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1905                 r_view.frustum_x = r_view.frustum_y * (float)r_view.width / (float)r_view.height / vid_pixelheight.value;
1906
1907                 r_view.frustum_x *= r_refdef.frustumscale_x;
1908                 r_view.frustum_y *= r_refdef.frustumscale_y;
1909
1910                 if(!CL_VM_UpdateView())
1911                         R_RenderView();
1912
1913                 if (scr_zoomwindow.integer)
1914                 {
1915                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1916                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1917                         r_view.width = (int)(vid.width * sizex);
1918                         r_view.height = (int)(vid.height * sizey);
1919                         r_view.depth = 1;
1920                         r_view.x = (int)((vid.width - r_view.width)/2);
1921                         r_view.y = 0;
1922                         r_view.z = 0;
1923
1924                         r_view.useperspective = true;
1925                         r_view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1926                         r_view.frustum_x = r_view.frustum_y * vid_pixelheight.value * (float)r_view.width / (float)r_view.height;
1927
1928                         r_view.frustum_x *= r_refdef.frustumscale_x;
1929                         r_view.frustum_y *= r_refdef.frustumscale_y;
1930
1931                         if(!CL_VM_UpdateView())
1932                                 R_RenderView();
1933                 }
1934         }
1935
1936         if (!r_stereo_sidebyside.integer)
1937         {
1938                 r_view.width = vid.width;
1939                 r_view.height = vid.height;
1940                 r_view.depth = 1;
1941                 r_view.x = 0;
1942                 r_view.y = 0;
1943                 r_view.z = 0;
1944                 r_view.useperspective = false;
1945         }
1946
1947         // draw 2D stuff
1948
1949         if (cls.signon == SIGNONS)
1950         {
1951                 SCR_DrawNet ();
1952                 SCR_DrawTurtle ();
1953                 SCR_DrawPause ();
1954                 if (!r_letterbox.value)
1955                         Sbar_Draw();
1956                 SHOWLMP_drawall();
1957                 SCR_CheckDrawCenterString();
1958         }
1959         SCR_DrawNetGraph ();
1960         MR_Draw();
1961         CL_DrawVideo();
1962         R_Shadow_EditLights_DrawSelectedLightProperties();
1963
1964         SCR_DrawConsole();
1965
1966         SCR_DrawBrand();
1967
1968         SCR_DrawDownload();
1969
1970         if (r_timereport_active)
1971                 R_TimeReport("2d");
1972
1973         if (cls.signon == SIGNONS)
1974                 R_TimeReport_Frame();
1975
1976         DrawQ_Finish();
1977
1978         R_DrawGamma();
1979
1980         R_Mesh_Finish();
1981
1982         if (r_timereport_active)
1983                 R_TimeReport("meshfinish");
1984 }
1985
1986 void SCR_UpdateLoadingScreen (qboolean clear)
1987 {
1988         float x, y;
1989         cachepic_t *pic;
1990         float vertex3f[12];
1991         float texcoord2f[8];
1992         // don't do anything if not initialized yet
1993         if (vid_hidden || !scr_refresh.integer)
1994                 return;
1995         CHECKGLERROR
1996         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
1997         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1998         //qglDepthMask(1);CHECKGLERROR
1999         qglColorMask(1,1,1,1);CHECKGLERROR
2000         qglClearColor(0,0,0,0);CHECKGLERROR
2001         // when starting up a new video mode, make sure the screen is cleared to black
2002         if (clear)
2003         {
2004                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
2005         }
2006         //qglDisable(GL_CULL_FACE);CHECKGLERROR
2007         //R_ClearScreen();
2008         R_Textures_Frame();
2009         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
2010         R_Mesh_Start();
2011         R_Mesh_Matrix(&identitymatrix);
2012         // draw the loading plaque
2013         pic = Draw_CachePic("gfx/loading", true);
2014         x = (vid_conwidth.integer - pic->width)/2;
2015         y = (vid_conheight.integer - pic->height)/2;
2016         GL_Color(1,1,1,1);
2017         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2018         GL_DepthRange(0, 1);
2019         GL_PolygonOffset(0, 0);
2020         GL_DepthTest(false);
2021         R_Mesh_VertexPointer(vertex3f, 0, 0);
2022         R_Mesh_ColorPointer(NULL, 0, 0);
2023         R_Mesh_ResetTextureState();
2024         R_Mesh_TexBind(0, R_GetTexture(pic->tex));
2025         R_Mesh_TexCoordPointer(0, 2, texcoord2f, 0, 0);
2026         vertex3f[2] = vertex3f[5] = vertex3f[8] = vertex3f[11] = 0;
2027         vertex3f[0] = vertex3f[9] = x;
2028         vertex3f[1] = vertex3f[4] = y;
2029         vertex3f[3] = vertex3f[6] = x + pic->width;
2030         vertex3f[7] = vertex3f[10] = y + pic->height;
2031         texcoord2f[0] = 0;texcoord2f[1] = 0;
2032         texcoord2f[2] = 1;texcoord2f[3] = 0;
2033         texcoord2f[4] = 1;texcoord2f[5] = 1;
2034         texcoord2f[6] = 0;texcoord2f[7] = 1;
2035         if (vid.stereobuffer)
2036         {
2037                 qglDrawBuffer(GL_FRONT_LEFT);
2038                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2039                 qglDrawBuffer(GL_FRONT_RIGHT);
2040                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2041         }
2042         else
2043         {
2044                 qglDrawBuffer(GL_FRONT);
2045                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2046         }
2047         R_Mesh_Finish();
2048         // refresh
2049         // not necessary when rendering to GL_FRONT buffers
2050         //VID_Finish(false);
2051         // however this IS necessary on Windows Vista
2052         qglFinish();
2053 }
2054
2055 void CL_UpdateScreen(void)
2056 {
2057         float conwidth, conheight;
2058
2059         if (vid_hidden || !scr_refresh.integer)
2060                 return;
2061
2062         if (!scr_initialized || !con_initialized)
2063                 return;                         // not initialized yet
2064
2065         conwidth = bound(320, vid_conwidth.value, 2048);
2066         conheight = bound(200, vid_conheight.value, 1536);
2067         if (vid_conwidth.value != conwidth)
2068                 Cvar_SetValue("vid_conwidth", conwidth);
2069         if (vid_conheight.value != conheight)
2070                 Cvar_SetValue("vid_conheight", conheight);
2071
2072         // bound viewsize
2073         if (scr_viewsize.value < 30)
2074                 Cvar_Set ("viewsize","30");
2075         if (scr_viewsize.value > 120)
2076                 Cvar_Set ("viewsize","120");
2077
2078         // bound field of view
2079         if (scr_fov.value < 1)
2080                 Cvar_Set ("fov","1");
2081         if (scr_fov.value > 170)
2082                 Cvar_Set ("fov","170");
2083
2084         // validate r_textureunits cvar
2085         if (r_textureunits.integer > gl_textureunits)
2086                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
2087         if (r_textureunits.integer < 1)
2088                 Cvar_SetValueQuick(&r_textureunits, 1);
2089
2090         // validate gl_combine cvar
2091         if (gl_combine.integer && !gl_combine_extension)
2092                 Cvar_SetValueQuick(&gl_combine, 0);
2093
2094         // intermission is always full screen
2095         if (cl.intermission)
2096                 sb_lines = 0;
2097         else
2098         {
2099                 if (scr_viewsize.value >= 120)
2100                         sb_lines = 0;           // no status bar at all
2101                 else if (scr_viewsize.value >= 110)
2102                         sb_lines = 24;          // no inventory
2103                 else
2104                         sb_lines = 24+16+8;
2105         }
2106
2107         r_view.colormask[0] = 1;
2108         r_view.colormask[1] = 1;
2109         r_view.colormask[2] = 1;
2110
2111         if (r_timereport_active)
2112                 R_TimeReport("other");
2113
2114         SCR_SetUpToDrawConsole();
2115
2116         if (r_timereport_active)
2117                 R_TimeReport("start");
2118
2119         CHECKGLERROR
2120         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2121         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2122         qglDepthMask(1);CHECKGLERROR
2123         qglColorMask(1,1,1,1);CHECKGLERROR
2124         qglClearColor(0,0,0,0);CHECKGLERROR
2125         R_ClearScreen();
2126         r_view.clear = false;
2127
2128         if(scr_stipple.integer)
2129         {
2130                 GLubyte stipple[128];
2131                 int i, s, width, parts;
2132                 static int frame = 0;
2133                 ++frame;
2134
2135                 s = scr_stipple.integer;
2136                 parts = (s & 007);
2137                 width = (s & 070) >> 3;
2138
2139                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
2140                 for(i = 0; i < 128; ++i)
2141                 {
2142                         int line = i/4;
2143                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2144                 }
2145                 qglPolygonStipple(stipple);
2146         }
2147         else
2148                 qglDisable(GL_POLYGON_STIPPLE);
2149
2150         if (r_timereport_active)
2151                 R_TimeReport("screenclear");
2152
2153         qglDrawBuffer(GL_BACK);
2154
2155         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
2156         {
2157                 matrix4x4_t originalmatrix = r_view.matrix;
2158                 matrix4x4_t offsetmatrix;
2159                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2160                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
2161
2162                 if (r_stereo_sidebyside.integer)
2163                         r_stereo_side = 0;
2164
2165                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2166                 {
2167                         r_view.colormask[0] = 1;
2168                         r_view.colormask[1] = 0;
2169                         r_view.colormask[2] = 0;
2170                 }
2171
2172                 if (vid.stereobuffer)
2173                         qglDrawBuffer(GL_BACK_RIGHT);
2174
2175                 SCR_DrawScreen();
2176
2177                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2178                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
2179
2180                 if (r_stereo_sidebyside.integer)
2181                         r_stereo_side = 1;
2182
2183                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2184                 {
2185                         r_view.colormask[0] = 0;
2186                         r_view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2187                         r_view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2188                 }
2189
2190                 if (vid.stereobuffer)
2191                         qglDrawBuffer(GL_BACK_LEFT);
2192
2193                 SCR_DrawScreen();
2194
2195                 r_view.matrix = originalmatrix;
2196         }
2197         else
2198                 SCR_DrawScreen();
2199
2200         SCR_CaptureVideo();
2201
2202         VID_Finish(true);
2203         if (r_timereport_active)
2204                 R_TimeReport("finish");
2205 }
2206
2207 void CL_Screen_NewMap(void)
2208 {
2209 }