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 a minute"};
  36 cvar_t cl_capturevideo_fps = {0, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
  37 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
  38 cvar_t r_letterbox = {0, "r_letterbox", "0", "reduces vertical height of view to simulate a letterboxed movie effect (can be used by mods for cutscenes)"};
  39 cvar_t r_stereo_separation = {0, "r_stereo_separation", "4", "separation distance of eyes in the world (negative values are only useful for cross-eyed viewing)"};
  40 cvar_t r_stereo_sidebyside = {0, "r_stereo_sidebyside", "0", "side by side views for those who can't afford glasses but can afford eye strain (note: use a negative r_stereo_separation if you want cross-eyed viewing)"};
  41 cvar_t r_stereo_redblue = {0, "r_stereo_redblue", "0", "red/blue anaglyph stereo glasses (note: most of these glasses are actually red/cyan, try that one too)"};
  42 cvar_t r_stereo_redcyan = {0, "r_stereo_redcyan", "0", "red/cyan anaglyph stereo glasses, the kind given away at drive-in movies like Creature From The Black Lagoon In 3D"};
  43 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  44 cvar_t r_stereo_angle = {0, "r_stereo_angle", "0", "separation angle of eyes (makes the views look different directions, as an example, 90 gives a 90 degree separation where the views are 45 degrees left and 45 degrees right)"};
  45 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
  46 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
  47 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
  48 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
  49 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
  50 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  51 cvar_t shownetgraph = {CVAR_SAVE, "shownetgraph", "0", "shows a graph of packet sizes and other information, 0 = off, 1 = show client netgraph, 2 = show client and server netgraphs (when hosting a server)"};
  52
  53 #define AVI_MASTER_INDEX_SIZE 640 // GB ought to be enough for anyone
  54
  55 int jpeg_supported = false;
  56
  57 qboolean        scr_initialized;                // ready to draw
  58
  59 float           scr_con_current;
  60 int                     scr_con_margin_bottom;
  61
  62 extern int      con_vislines;
  63
  64 static void SCR_ScreenShot_f (void);
  65 static void R_Envmap_f (void);
  66
  67 // backend
  68 void R_ClearScreen(qboolean fogcolor);
  69
  70 /*
  71 ===============================================================================
  72
  73 CENTER PRINTING
  74
  75 ===============================================================================
  76 */
  77
  78 char            scr_centerstring[MAX_INPUTLINE];
  79 float           scr_centertime_start;   // for slow victory printing
  80 float           scr_centertime_off;
  81 int                     scr_center_lines;
  82 int                     scr_erase_lines;
  83 int                     scr_erase_center;
  84
  85 /*
  86 ==============
  87 SCR_CenterPrint
  88
  89 Called for important messages that should stay in the center of the screen
  90 for a few moments
  91 ==============
  92 */
  93 void SCR_CenterPrint(const char *str)
  94 {
  95         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
  96         scr_centertime_off = scr_centertime.value;
  97         scr_centertime_start = cl.time;
  98
  99 // count the number of lines for centering
 100         scr_center_lines = 1;
 101         while (*str)
 102         {
 103                 if (*str == '\n')
 104                         scr_center_lines++;
 105                 str++;
 106         }
 107 }
 108
 109
 110 void SCR_DrawCenterString (void)
 111 {
 112         char    *start;
 113         int             x, y;
 114         int             remaining;
 115         int             color;
 116
 117         if(cl.intermission == 2) // in finale,
 118                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 119                         return;
 120
 121         if(scr_centertime.value <= 0 && !cl.intermission)
 122                 return;
 123
 124 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 125         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 126                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 127         else
 128                 remaining = 9999;
 129
 130         scr_erase_center = 0;
 131         start = scr_centerstring;
 132
 133         if (remaining < 1)
 134                 return;
 135
 136         if (scr_center_lines <= 4)
 137                 y = (int)(vid_conheight.integer*0.35);
 138         else
 139                 y = 48;
 140
 141         color = -1;
 142         do
 143         {
 144                 // scan the number of characters on the line, not counting color codes
 145                 char *newline = strchr(start, '\n');
 146                 int l = newline ? (newline - start) : (int)strlen(start);
 147                 float width = DrawQ_TextWidth_Font(start, l, false, FONT_CENTERPRINT) * 8;
 148
 149                 x = (vid_conwidth.integer - width)/2;
 150                 if (l > 0)
 151                 {
 152                         if (remaining < l)
 153                                 l = remaining;
 154                         DrawQ_String_Font(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 155                         remaining -= l;
 156                         if (remaining <= 0)
 157                                 return;
 158                 }
 159                 y += 8;
 160
 161                 if (!newline)
 162                         break;
 163                 start = newline + 1; // skip the \n
 164         } while (1);
 165 }
 166
 167 void SCR_CheckDrawCenterString (void)
 168 {
 169         if (scr_center_lines > scr_erase_lines)
 170                 scr_erase_lines = scr_center_lines;
 171
 172         if (cl.time > cl.oldtime)
 173                 scr_centertime_off -= cl.time - cl.oldtime;
 174
 175         // don't draw if this is a normal stats-screen intermission,
 176         // only if it is not an intermission, or a finale intermission
 177         if (cl.intermission == 1)
 178                 return;
 179         if (scr_centertime_off <= 0 && !cl.intermission)
 180                 return;
 181         if (key_dest != key_game)
 182                 return;
 183
 184         SCR_DrawCenterString ();
 185 }
 186
 187 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])
 188 {
 189         int j, k, x, y, index, offset, height;
 190         // draw the bar graph itself
 191         // advance the packet counter because it is the latest packet column being
 192         // built up and should come last
 193         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 194         for (j = 0;j < NETGRAPH_PACKETS;j++)
 195         {
 196                 x = graphx + j * barwidth;
 197                 y = graphy + barheight;
 198                 index = (packetcounter + j) % NETGRAPH_PACKETS;
 199                 if (parameters[0][index] == NETGRAPH_LOSTPACKET)
 200                         DrawQ_Fill(x, y - barheight, barwidth, barheight, 1, 0, 0, 1, 0);
 201                 else if (parameters[0][index] == NETGRAPH_CHOKEDPACKET)
 202                         DrawQ_Fill(x, y - min(2, barheight), barwidth, min(2, barheight), 1, 1, 0, 1, 0);
 203                 else
 204                 {
 205                         offset = 0;
 206                         for (k = 0;k < numparameters;k++)
 207                         {
 208                                 height = (parameters[k][index] + bardivide - 1) / bardivide;
 209                                 height = min(height, barheight - offset);
 210                                 offset += height;
 211                                 if (height)
 212                                         DrawQ_Fill(x, y - offset, barwidth, height, parametercolors[k][0], parametercolors[k][1], parametercolors[k][2], parametercolors[k][3], 0);
 213                         }
 214                 }
 215         }
 216 }
 217
 218 const float netgraphcolors[3][4] =
 219 {
 220         {1  , 0.5, 0  , 1},
 221         {1  , 1  , 1  , 1},
 222         {0  , 1  , 0  , 1},
 223 };
 224
 225 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)
 226 {
 227         int numparameters;
 228         const int *parameters[3];
 229         // dim background
 230         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 231         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 232         // draw the bar graphs
 233         numparameters = 3;
 234         parameters[0] = conn->incoming_unreliablesize;
 235         parameters[1] = conn->incoming_reliablesize;
 236         parameters[2] = conn->incoming_acksize;
 237         SCR_DrawNetGraph_DrawGraph(graphx, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 238         parameters[0] = conn->outgoing_unreliablesize;
 239         parameters[1] = conn->outgoing_reliablesize;
 240         parameters[2] = conn->outgoing_acksize;
 241         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 242         // draw labels
 243         DrawQ_String(graphx                                          , graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 244         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 245 }
 246
 247 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)
 248 {
 249         int numparameters;
 250         const int *parameters[3];
 251         // dim background
 252         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 253         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 254         // draw the bar graphs
 255         numparameters = 3;
 256         parameters[0] = conn->outgoing_unreliablesize;
 257         parameters[1] = conn->outgoing_reliablesize;
 258         parameters[2] = conn->outgoing_acksize;
 259         SCR_DrawNetGraph_DrawGraph(graphx                                          , graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 260         parameters[0] = conn->incoming_unreliablesize;
 261         parameters[1] = conn->incoming_reliablesize;
 262         parameters[2] = conn->incoming_acksize;
 263         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 264         // draw labels
 265         DrawQ_String(graphx                                          , graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 266         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 267 }
 268
 269 /*
 270 ==============
 271 SCR_DrawNetGraph
 272 ==============
 273 */
 274 void SCR_DrawNetGraph (void)
 275 {
 276         int i, separator1, separator2, barwidth, barheight, bardivide, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 277
 278         if (cls.state != ca_connected)
 279                 return;
 280         if (!cls.netcon)
 281                 return;
 282         if (!shownetgraph.integer)
 283                 return;
 284
 285         separator1 = 2;
 286         separator2 = 4;
 287         textsize = 8;
 288         barwidth = 1;
 289         barheight = 50;
 290         bardivide = 20;
 291
 292         netgraphsperrow = (vid_conwidth.integer + separator2) / (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 293         netgraphsperrow = max(netgraphsperrow, 1);
 294
 295         index = 0;
 296         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 297         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 298         SCR_DrawNetGraph_DrawConnection_Client(cls.netcon, netgraph_x, netgraph_y, barwidth, barheight, bardivide, "incoming", separator1, "outgoing", textsize);
 299         index++;
 300
 301         if (sv.active && shownetgraph.integer >= 2)
 302         {
 303                 for (i = 0;i < svs.maxclients;i++)
 304                 {
 305                         if (!svs.clients[i].netconnection)
 306                                 continue;
 307                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 308                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 309                         SCR_DrawNetGraph_DrawConnection_Server(svs.clients[i].netconnection, netgraph_x, netgraph_y, barwidth, barheight, bardivide, va("%s", svs.clients[i].name), separator1, "", textsize);
 310                         index++;
 311                 }
 312         }
 313 }
 314
 315 /*
 316 ==============
 317 SCR_DrawTurtle
 318 ==============
 319 */
 320 void SCR_DrawTurtle (void)
 321 {
 322         static int      count;
 323
 324         if (cls.state != ca_connected)
 325                 return;
 326
 327         if (!scr_showturtle.integer)
 328                 return;
 329
 330         if (cl.realframetime < 0.1)
 331         {
 332                 count = 0;
 333                 return;
 334         }
 335
 336         count++;
 337         if (count < 3)
 338                 return;
 339
 340         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
 341 }
 342
 343 /*
 344 ==============
 345 SCR_DrawNet
 346 ==============
 347 */
 348 void SCR_DrawNet (void)
 349 {
 350         if (cls.state != ca_connected)
 351                 return;
 352         if (realtime - cl.last_received_message < 0.3)
 353                 return;
 354         if (cls.demoplayback)
 355                 return;
 356
 357         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
 358 }
 359
 360 /*
 361 ==============
 362 DrawPause
 363 ==============
 364 */
 365 void SCR_DrawPause (void)
 366 {
 367         cachepic_t      *pic;
 368
 369         if (cls.state != ca_connected)
 370                 return;
 371
 372         if (!scr_showpause.integer)             // turn off for screenshots
 373                 return;
 374
 375         if (!cl.paused)
 376                 return;
 377
 378         pic = Draw_CachePic ("gfx/pause");
 379         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 380 }
 381
 382 /*
 383 ==============
 384 SCR_DrawBrand
 385 ==============
 386 */
 387 void SCR_DrawBrand (void)
 388 {
 389         cachepic_t      *pic;
 390         float           x, y;
 391
 392         if (!scr_showbrand.value)
 393                 return;
 394
 395         pic = Draw_CachePic ("gfx/brand");
 396
 397         switch ((int)scr_showbrand.value)
 398         {
 399         case 1: // bottom left
 400                 x = 0;
 401                 y = vid_conheight.integer - pic->height;
 402                 break;
 403         case 2: // bottom centre
 404                 x = (vid_conwidth.integer - pic->width) / 2;
 405                 y = vid_conheight.integer - pic->height;
 406                 break;
 407         case 3: // bottom right
 408                 x = vid_conwidth.integer - pic->width;
 409                 y = vid_conheight.integer - pic->height;
 410                 break;
 411         case 4: // centre right
 412                 x = vid_conwidth.integer - pic->width;
 413                 y = (vid_conheight.integer - pic->height) / 2;
 414                 break;
 415         case 5: // top right
 416                 x = vid_conwidth.integer - pic->width;
 417                 y = 0;
 418                 break;
 419         case 6: // top centre
 420                 x = (vid_conwidth.integer - pic->width) / 2;
 421                 y = 0;
 422                 break;
 423         case 7: // top left
 424                 x = 0;
 425                 y = 0;
 426                 break;
 427         case 8: // centre left
 428                 x = 0;
 429                 y = (vid_conheight.integer - pic->height) / 2;
 430                 break;
 431         default:
 432                 return;
 433         }
 434
 435         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 436 }
 437
 438 /*
 439 ==============
 440 SCR_DrawQWDownload
 441 ==============
 442 */
 443 static int SCR_DrawQWDownload(int offset)
 444 {
 445         // sync with SCR_DownloadHeight
 446         int len;
 447         float x, y;
 448         float size = 8;
 449         char temp[256];
 450
 451         if (!cls.qw_downloadname[0])
 452         {
 453                 cls.qw_downloadspeedrate = 0;
 454                 cls.qw_downloadspeedtime = realtime;
 455                 cls.qw_downloadspeedcount = 0;
 456                 return 0;
 457         }
 458         if (realtime >= cls.qw_downloadspeedtime + 1)
 459         {
 460                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 461                 cls.qw_downloadspeedtime = realtime;
 462                 cls.qw_downloadspeedcount = 0;
 463         }
 464         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 465                 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);
 466         else
 467                 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);
 468         len = (int)strlen(temp);
 469         x = (vid_conwidth.integer - DrawQ_TextWidth_Font(temp, len, 0, FONT_INFOBAR) * size) / 2;
 470         y = vid_conheight.integer - size - offset;
 471         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 472         DrawQ_String_Font(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 473         return 8;
 474 }
 475
 476 /*
 477 ==============
 478 SCR_DrawCurlDownload
 479 ==============
 480 */
 481 static int SCR_DrawCurlDownload(int offset)
 482 {
 483         // sync with SCR_DownloadHeight
 484         int len;
 485         int nDownloads;
 486         int i;
 487         float x, y;
 488         float size = 8;
 489         Curl_downloadinfo_t *downinfo;
 490         char temp[256];
 491         const char *addinfo;
 492
 493         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 494         if(!downinfo)
 495                 return 0;
 496
 497         y = vid_conheight.integer - size * nDownloads - offset;
 498
 499         if(addinfo)
 500         {
 501                 len = (int)strlen(addinfo);
 502                 x = (vid_conwidth.integer - DrawQ_TextWidth_Font(addinfo, len, false, FONT_INFOBAR) * size) / 2;
 503                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 504                 DrawQ_String_Font(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 505         }
 506
 507         for(i = 0; i != nDownloads; ++i)
 508         {
 509                 if(downinfo[i].queued)
 510                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
 511                 else if(downinfo[i].progress <= 0)
 512                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
 513                 else
 514                         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);
 515                 len = (int)strlen(temp);
 516                 x = (vid_conwidth.integer - DrawQ_TextWidth_Font(temp, len, false, FONT_INFOBAR) * size) / 2;
 517                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 518                 DrawQ_String_Font(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 519         }
 520
 521         Z_Free(downinfo);
 522
 523         return 8 * (nDownloads + (addinfo ? 1 : 0));
 524 }
 525
 526 /*
 527 ==============
 528 SCR_DrawDownload
 529 ==============
 530 */
 531 static void SCR_DrawDownload()
 532 {
 533         int offset = 0;
 534         offset += SCR_DrawQWDownload(offset);
 535         offset += SCR_DrawCurlDownload(offset);
 536         if(offset != scr_con_margin_bottom)
 537                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 538 }
 539
 540 static int SCR_DownloadHeight()
 541 {
 542         int offset = 0;
 543         Curl_downloadinfo_t *downinfo;
 544         const char *addinfo;
 545         int nDownloads;
 546
 547         if(cls.qw_downloadname[0])
 548                 offset += 0;
 549
 550         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 551         if(downinfo)
 552         {
 553                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
 554                 Z_Free(downinfo);
 555         }
 556
 557         return offset;
 558 }
 559
 560 //=============================================================================
 561
 562 /*
 563 ==================
 564 SCR_SetUpToDrawConsole
 565 ==================
 566 */
 567 void SCR_SetUpToDrawConsole (void)
 568 {
 569         // lines of console to display
 570         float conlines;
 571         static int framecounter = 0;
 572
 573         Con_CheckResize ();
 574
 575         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 576         {
 577                 if (framecounter >= 2)
 578                         MR_ToggleMenu_f();
 579                 else
 580                         framecounter++;
 581         }
 582         else
 583                 framecounter = 0;
 584
 585         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 586                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 587         else
 588                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 589
 590 // decide on the height of the console
 591         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 592                 conlines = vid_conheight.integer/2;     // half screen
 593         else
 594                 conlines = 0;                           // none visible
 595
 596         scr_con_current = conlines;
 597 }
 598
 599 /*
 600 ==================
 601 SCR_DrawConsole
 602 ==================
 603 */
 604 void SCR_DrawConsole (void)
 605 {
 606         scr_con_margin_bottom = SCR_DownloadHeight();
 607         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 608         {
 609                 // full screen
 610                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 611         }
 612         else if (scr_con_current)
 613                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 614         else
 615                 con_vislines = 0;
 616 }
 617
 618 /*
 619 ===============
 620 SCR_BeginLoadingPlaque
 621
 622 ================
 623 */
 624 void SCR_BeginLoadingPlaque (void)
 625 {
 626         // save console log up to this point to log_file if it was set by configs
 627         Log_Start();
 628
 629         Host_StartVideo();
 630         SCR_UpdateLoadingScreen(false);
 631 }
 632
 633 //=============================================================================
 634
 635 char r_speeds_timestring[4096];
 636 int speedstringcount, r_timereport_active;
 637 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 638 int r_speeds_longestitem = 0;
 639
 640 void R_TimeReport(char *desc)
 641 {
 642         char tempbuf[256];
 643         int length;
 644         int t;
 645
 646         if (r_speeds.integer < 2 || !r_timereport_active)
 647                 return;
 648
 649         CHECKGLERROR
 650         if (r_speeds.integer == 2)
 651                 qglFinish();
 652         CHECKGLERROR
 653         r_timereport_temp = r_timereport_current;
 654         r_timereport_current = Sys_DoubleTime();
 655         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 656
 657         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
 658         length = min(length, (int)sizeof(tempbuf) - 1);
 659         if (r_speeds_longestitem < length)
 660                 r_speeds_longestitem = length;
 661         for (;length < r_speeds_longestitem;length++)
 662                 tempbuf[length] = ' ';
 663         tempbuf[length] = 0;
 664
 665         if (speedstringcount + length > (vid_conwidth.integer / 8))
 666         {
 667                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
 668                 speedstringcount = 0;
 669         }
 670         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
 671         speedstringcount += length;
 672 }
 673
 674 void R_TimeReport_BeginFrame(void)
 675 {
 676         speedstringcount = 0;
 677         r_speeds_timestring[0] = 0;
 678         r_timereport_active = false;
 679         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 680
 681         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
 682         {
 683                 r_timereport_active = true;
 684                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
 685         }
 686 }
 687
 688 void R_TimeReport_EndFrame(void)
 689 {
 690         int i, j, lines, y;
 691         cl_locnode_t *loc;
 692         char string[1024+4096];
 693
 694         string[0] = 0;
 695         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 696         {
 697                 // put the location name in the r_speeds display as it greatly helps
 698                 // when creating loc files
 699                 loc = CL_Locs_FindNearest(cl.movement_origin);
 700                 dpsnprintf(string, sizeof(string),
 701 "%s%s\n"
 702 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
 703 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
 704 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
 705 "%7i lightmap updates (%7i pixels)\n"
 706 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
 707 "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n"
 708 "%s"
 709 , loc ? "Location: " : "", loc ? loc->name : ""
 710 , r_refdef.stats.renders, r_refdef.view.origin[0], r_refdef.view.origin[1], r_refdef.view.origin[2], r_refdef.view.forward[0], r_refdef.view.forward[1], r_refdef.view.forward[2]
 711 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
 712 , r_refdef.stats.world_leafs, r_refdef.stats.world_portals, r_refdef.stats.particles, cl.num_particles, r_refdef.stats.decals, cl.num_decals, (int)(100 * r_refdef.view.quality)
 713 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
 714 , 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
 715 , r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
 716 , r_speeds_timestring);
 717
 718                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 719
 720                 speedstringcount = 0;
 721                 r_speeds_timestring[0] = 0;
 722                 r_timereport_active = false;
 723
 724                 if (r_speeds.integer >= 2)
 725                 {
 726                         r_timereport_active = true;
 727                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 728                 }
 729         }
 730
 731         if (string[0])
 732         {
 733                 if (string[strlen(string)-1] == '\n')
 734                         string[strlen(string)-1] = 0;
 735                 lines = 1;
 736                 for (i = 0;string[i];i++)
 737                         if (string[i] == '\n')
 738                                 lines++;
 739                 y = vid_conheight.integer - sb_lines - lines * 8;
 740                 i = j = 0;
 741                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 742                 while (string[i])
 743                 {
 744                         j = i;
 745                         while (string[i] && string[i] != '\n')
 746                                 i++;
 747                         if (i - j > 0)
 748                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true);
 749                         if (string[i] == '\n')
 750                                 i++;
 751                         y += 8;
 752                 }
 753         }
 754 }
 755
 756 /*
 757 =================
 758 SCR_SizeUp_f
 759
 760 Keybinding command
 761 =================
 762 */
 763 void SCR_SizeUp_f (void)
 764 {
 765         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 766 }
 767
 768
 769 /*
 770 =================
 771 SCR_SizeDown_f
 772
 773 Keybinding command
 774 =================
 775 */
 776 void SCR_SizeDown_f (void)
 777 {
 778         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 779 }
 780
 781 void SCR_CaptureVideo_EndVideo(void);
 782 void CL_Screen_Shutdown(void)
 783 {
 784         SCR_CaptureVideo_EndVideo();
 785 }
 786
 787 void CL_Screen_Init(void)
 788 {
 789         Cvar_RegisterVariable (&scr_fov);
 790         Cvar_RegisterVariable (&scr_viewsize);
 791         Cvar_RegisterVariable (&scr_conalpha);
 792         Cvar_RegisterVariable (&scr_conbrightness);
 793         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 794         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 795         Cvar_RegisterVariable (&scr_showram);
 796         Cvar_RegisterVariable (&scr_showturtle);
 797         Cvar_RegisterVariable (&scr_showpause);
 798         Cvar_RegisterVariable (&scr_showbrand);
 799         Cvar_RegisterVariable (&scr_centertime);
 800         Cvar_RegisterVariable (&scr_printspeed);
 801         Cvar_RegisterVariable (&vid_conwidth);
 802         Cvar_RegisterVariable (&vid_conheight);
 803         Cvar_RegisterVariable (&vid_pixelheight);
 804         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 805         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 806         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 807         Cvar_RegisterVariable (&cl_capturevideo);
 808         Cvar_RegisterVariable (&cl_capturevideo_width);
 809         Cvar_RegisterVariable (&cl_capturevideo_height);
 810         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 811         Cvar_RegisterVariable (&cl_capturevideo_fps);
 812         Cvar_RegisterVariable (&cl_capturevideo_number);
 813         Cvar_RegisterVariable (&r_letterbox);
 814         Cvar_RegisterVariable(&r_stereo_separation);
 815         Cvar_RegisterVariable(&r_stereo_sidebyside);
 816         Cvar_RegisterVariable(&r_stereo_redblue);
 817         Cvar_RegisterVariable(&r_stereo_redcyan);
 818         Cvar_RegisterVariable(&r_stereo_redgreen);
 819         Cvar_RegisterVariable(&r_stereo_angle);
 820         Cvar_RegisterVariable(&scr_zoomwindow);
 821         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 822         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 823         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 824         Cvar_RegisterVariable(&scr_stipple);
 825         Cvar_RegisterVariable(&scr_refresh);
 826         Cvar_RegisterVariable(&shownetgraph);
 827
 828         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 829         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 830         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 831         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 832
 833         scr_initialized = true;
 834 }
 835
 836 /*
 837 ==================
 838 SCR_ScreenShot_f
 839 ==================
 840 */
 841 void SCR_ScreenShot_f (void)
 842 {
 843         static int shotnumber;
 844         static char oldname[MAX_QPATH];
 845         char base[MAX_QPATH];
 846         char filename[MAX_QPATH];
 847         unsigned char *buffer1;
 848         unsigned char *buffer2;
 849         unsigned char *buffer3;
 850         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 851
 852         dpsnprintf (base, sizeof(base), "screenshots/%s", scr_screenshot_name.string);
 853
 854         if (strcmp (oldname, scr_screenshot_name.string))
 855         {
 856                 dpsnprintf(oldname, sizeof(oldname), "%s", scr_screenshot_name.string);
 857                 shotnumber = 0;
 858         }
 859
 860         // find a file name to save it to
 861         for (;shotnumber < 1000000;shotnumber++)
 862                 if (!FS_SysFileExists(va("%s/%s%06d.tga", fs_gamedir, base, shotnumber)) && !FS_SysFileExists(va("%s/%s%06d.jpg", fs_gamedir, base, shotnumber)))
 863                         break;
 864         if (shotnumber >= 1000000)
 865         {
 866                 Con_Print("SCR_ScreenShot_f: Couldn't create the image file\n");
 867                 return;
 868         }
 869
 870         dpsnprintf(filename, sizeof(filename), "%s%06d.%s", base, shotnumber, jpeg ? "jpg" : "tga");
 871
 872         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 873         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 874         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
 875
 876         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
 877                 Con_Printf("Wrote %s\n", filename);
 878         else
 879                 Con_Printf("unable to write %s\n", filename);
 880
 881         Mem_Free (buffer1);
 882         Mem_Free (buffer2);
 883         Mem_Free (buffer3);
 884
 885         shotnumber++;
 886 }
 887
 888 static void SCR_CaptureVideo_RIFF_Start(void)
 889 {
 890         memset(&cls.capturevideo.riffbuffer, 0, sizeof(sizebuf_t));
 891         cls.capturevideo.riffbuffer.maxsize = sizeof(cls.capturevideo.riffbufferdata);
 892         cls.capturevideo.riffbuffer.data = cls.capturevideo.riffbufferdata;
 893 }
 894
 895 static void SCR_CaptureVideo_RIFF_Flush(void)
 896 {
 897         if (cls.capturevideo.riffbuffer.cursize > 0)
 898         {
 899                 if (!FS_Write(cls.capturevideo.videofile, cls.capturevideo.riffbuffer.data, cls.capturevideo.riffbuffer.cursize))
 900                         cls.capturevideo.error = true;
 901                 cls.capturevideo.riffbuffer.cursize = 0;
 902                 cls.capturevideo.riffbuffer.overflowed = false;
 903         }
 904 }
 905
 906 static void SCR_CaptureVideo_RIFF_WriteBytes(const unsigned char *data, size_t size)
 907 {
 908         SCR_CaptureVideo_RIFF_Flush();
 909         if (!FS_Write(cls.capturevideo.videofile, data, size))
 910                 cls.capturevideo.error = true;
 911 }
 912
 913 static void SCR_CaptureVideo_RIFF_Write32(int n)
 914 {
 915         if (cls.capturevideo.riffbuffer.cursize + 4 > cls.capturevideo.riffbuffer.maxsize)
 916                 SCR_CaptureVideo_RIFF_Flush();
 917         MSG_WriteLong(&cls.capturevideo.riffbuffer, n);
 918 }
 919
 920 static void SCR_CaptureVideo_RIFF_Write16(int n)
 921 {
 922         if (cls.capturevideo.riffbuffer.cursize + 2 > cls.capturevideo.riffbuffer.maxsize)
 923                 SCR_CaptureVideo_RIFF_Flush();
 924         MSG_WriteShort(&cls.capturevideo.riffbuffer, n);
 925 }
 926
 927 static void SCR_CaptureVideo_RIFF_WriteFourCC(const char *chunkfourcc)
 928 {
 929         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(chunkfourcc) > cls.capturevideo.riffbuffer.maxsize)
 930                 SCR_CaptureVideo_RIFF_Flush();
 931         MSG_WriteUnterminatedString(&cls.capturevideo.riffbuffer, chunkfourcc);
 932 }
 933
 934 static void SCR_CaptureVideo_RIFF_WriteTerminatedString(const char *string)
 935 {
 936         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(string) > cls.capturevideo.riffbuffer.maxsize)
 937                 SCR_CaptureVideo_RIFF_Flush();
 938         MSG_WriteString(&cls.capturevideo.riffbuffer, string);
 939 }
 940
 941 static fs_offset_t SCR_CaptureVideo_RIFF_GetPosition(void)
 942 {
 943         SCR_CaptureVideo_RIFF_Flush();
 944         return FS_Tell(cls.capturevideo.videofile);
 945 }
 946
 947 static void SCR_CaptureVideo_RIFF_Push(const char *chunkfourcc, const char *listtypefourcc)
 948 {
 949         SCR_CaptureVideo_RIFF_WriteFourCC(chunkfourcc);
 950         SCR_CaptureVideo_RIFF_Write32(0);
 951         SCR_CaptureVideo_RIFF_Flush();
 952         cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel++] = SCR_CaptureVideo_RIFF_GetPosition();
 953         if (listtypefourcc)
 954                 SCR_CaptureVideo_RIFF_WriteFourCC(listtypefourcc);
 955 }
 956
 957 static void SCR_CaptureVideo_RIFF_Pop(void)
 958 {
 959         fs_offset_t offset;
 960         int x;
 961         unsigned char sizebytes[4];
 962         // write out the chunk size and then return to the current file position
 963         cls.capturevideo.riffstacklevel--;
 964         offset = SCR_CaptureVideo_RIFF_GetPosition();
 965         x = (int)(offset - (cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel]));
 966         sizebytes[0] = (x) & 0xff;sizebytes[1] = (x >> 8) & 0xff;sizebytes[2] = (x >> 16) & 0xff;sizebytes[3] = (x >> 24) & 0xff;
 967         FS_Seek(cls.capturevideo.videofile, -(x + 4), SEEK_END);
 968         FS_Write(cls.capturevideo.videofile, sizebytes, 4);
 969         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
 970         if (offset & 1)
 971         {
 972                 unsigned char c = 0;
 973                 FS_Write(cls.capturevideo.videofile, &c, 1);
 974         }
 975 }
 976
 977 static void GrowBuf(sizebuf_t *buf, int extralen)
 978 {
 979         if(buf->cursize + extralen > buf->maxsize)
 980         {
 981                 int oldsize = buf->maxsize;
 982                 unsigned char *olddata;
 983                 olddata = buf->data;
 984                 buf->maxsize = max(buf->maxsize * 2, 4096);
 985                 buf->data = Mem_Alloc(tempmempool, buf->maxsize);
 986                 if(olddata)
 987                 {
 988                         memcpy(buf->data, olddata, oldsize);
 989                         Mem_Free(olddata);
 990                 }
 991         }
 992 }
 993
 994 static void SCR_CaptureVideo_RIFF_IndexEntry(const char *chunkfourcc, int chunksize, int flags)
 995 {
 996         if (cls.capturevideo.riffstacklevel != 2)
 997                 Sys_Error("SCR_Capturevideo_RIFF_IndexEntry: RIFF stack level is %i (should be 2)\n", cls.capturevideo.riffstacklevel);
 998         GrowBuf(&cls.capturevideo.riffindexbuffer, 16);
 999         SCR_CaptureVideo_RIFF_Flush();
1000         MSG_WriteUnterminatedString(&cls.capturevideo.riffindexbuffer, chunkfourcc);
1001         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, flags);
1002         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, (int)FS_Tell(cls.capturevideo.videofile) - cls.capturevideo.riffstackstartoffset[1]);
1003         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, chunksize);
1004 }
1005
1006 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)
1007 {
1008         int nMatching;
1009         int i;
1010         fs_offset_t ix = SCR_CaptureVideo_RIFF_GetPosition();
1011         fs_offset_t pos;
1012
1013         if(*masteridx_count >= AVI_MASTER_INDEX_SIZE)
1014                 return;
1015
1016         nMatching = 0; // go through index and enumerate them
1017         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
1018                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
1019                         ++nMatching;
1020
1021         SCR_CaptureVideo_RIFF_Push(fcc, NULL);
1022         SCR_CaptureVideo_RIFF_Write16(2); // wLongsPerEntry
1023         SCR_CaptureVideo_RIFF_Write16(0x0100); // bIndexType=1, bIndexSubType=0
1024         SCR_CaptureVideo_RIFF_Write32(nMatching); // nEntriesInUse
1025         SCR_CaptureVideo_RIFF_WriteFourCC(dwChunkId); // dwChunkId
1026         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.videofile_ix_movistart & (fs_offset_t) 0xFFFFFFFFu);
1027         SCR_CaptureVideo_RIFF_Write32(((fs_offset_t) cls.capturevideo.videofile_ix_movistart) >> 32);
1028         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved
1029
1030         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
1031                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
1032                 {
1033                         unsigned int *p = (unsigned int *) (cls.capturevideo.riffindexbuffer.data + i);
1034                         unsigned int flags = p[1];
1035                         unsigned int rpos = p[2];
1036                         unsigned int size = p[3];
1037                         size &= ~0x80000000;
1038                         if(!(flags & 0x10)) // no keyframe?
1039                                 size |= 0x80000000;
1040                         SCR_CaptureVideo_RIFF_Write32(rpos + 8);
1041                         SCR_CaptureVideo_RIFF_Write32(size);
1042                 }
1043
1044         SCR_CaptureVideo_RIFF_Pop();
1045         pos = SCR_CaptureVideo_RIFF_GetPosition();
1046         SCR_CaptureVideo_RIFF_Flush();
1047
1048         FS_Seek(cls.capturevideo.videofile, masteridx_start + 16 * *masteridx_count, SEEK_SET);
1049         SCR_CaptureVideo_RIFF_Write32(ix & (fs_offset_t) 0xFFFFFFFFu);
1050         SCR_CaptureVideo_RIFF_Write32(((fs_offset_t) ix) >> 32);
1051         SCR_CaptureVideo_RIFF_Write32(pos - ix);
1052         SCR_CaptureVideo_RIFF_Write32(nMatching);
1053         SCR_CaptureVideo_RIFF_Flush();
1054
1055         FS_Seek(cls.capturevideo.videofile, masteridx_counter, SEEK_SET);
1056         SCR_CaptureVideo_RIFF_Write32(++*masteridx_count);
1057         SCR_CaptureVideo_RIFF_Flush();
1058
1059         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1060 }
1061
1062 static void SCR_CaptureVideo_RIFF_Finish(qboolean final)
1063 {
1064         // close the "movi" list
1065         SCR_CaptureVideo_RIFF_Pop();
1066         if(cls.capturevideo.videofile_ix_master_video_inuse_offset)
1067                 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);
1068         if(cls.capturevideo.videofile_ix_master_audio_inuse_offset)
1069                 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);
1070         // write the idx1 chunk that we've been building while saving the frames (for old style players)
1071         if(final && cls.capturevideo.videofile_firstchunkframes_offset)
1072         // TODO replace index creating by OpenDML ix##/##ix/indx chunk so it works for more than one AVI part too
1073         {
1074                 SCR_CaptureVideo_RIFF_Push("idx1", NULL);
1075                 SCR_CaptureVideo_RIFF_WriteBytes(cls.capturevideo.riffindexbuffer.data, cls.capturevideo.riffindexbuffer.cursize);
1076                 SCR_CaptureVideo_RIFF_Pop();
1077         }
1078         cls.capturevideo.riffindexbuffer.cursize = 0;
1079         // pop the RIFF chunk itself
1080         while (cls.capturevideo.riffstacklevel > 0)
1081                 SCR_CaptureVideo_RIFF_Pop();
1082         SCR_CaptureVideo_RIFF_Flush();
1083         if(cls.capturevideo.videofile_firstchunkframes_offset)
1084         {
1085                 Con_DPrintf("Finishing first chunk (%d frames)\n", cls.capturevideo.frame);
1086                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_firstchunkframes_offset, SEEK_SET);
1087                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1088                 SCR_CaptureVideo_RIFF_Flush();
1089                 FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1090                 cls.capturevideo.videofile_firstchunkframes_offset = 0;
1091         }
1092         else
1093                 Con_DPrintf("Finishing another chunk (%d frames)\n", cls.capturevideo.frame);
1094 }
1095
1096 static void SCR_CaptureVideo_RIFF_OverflowCheck(int framesize)
1097 {
1098         fs_offset_t cursize, curfilesize;
1099         if (cls.capturevideo.riffstacklevel != 2)
1100                 Sys_Error("SCR_CaptureVideo_RIFF_OverflowCheck: chunk stack leakage!\n");
1101         // check where we are in the file
1102         SCR_CaptureVideo_RIFF_Flush();
1103         cursize = SCR_CaptureVideo_RIFF_GetPosition() - cls.capturevideo.riffstackstartoffset[0];
1104         curfilesize = SCR_CaptureVideo_RIFF_GetPosition();
1105
1106         // if this would overflow the windows limit of 1GB per RIFF chunk, we need
1107         // to close the current RIFF chunk and open another for future frames
1108         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
1109         {
1110                 SCR_CaptureVideo_RIFF_Finish(false);
1111                 // begin a new 1GB extended section of the AVI
1112                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVIX");
1113                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1114                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1115         }
1116 }
1117
1118 static void FindFraction(double val, int *num, int *denom, int denomMax)
1119 {
1120         int i;
1121         double bestdiff;
1122         // initialize
1123         bestdiff = fabs(val);
1124         *num = 0;
1125         *denom = 1;
1126
1127         for(i = 1; i <= denomMax; ++i)
1128         {
1129                 int inum = floor(0.5 + val * i);
1130                 double diff = fabs(val - inum / (double)i);
1131                 if(diff < bestdiff)
1132                 {
1133                         bestdiff = diff;
1134                         *num = inum;
1135                         *denom = i;
1136                 }
1137         }
1138 }
1139
1140 void SCR_CaptureVideo_BeginVideo(void)
1141 {
1142         double gamma, g, aspect;
1143         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1144         int n, d;
1145         unsigned int i;
1146         if (cls.capturevideo.active)
1147                 return;
1148         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1149         // soundrate is figured out on the first SoundFrame
1150
1151         if(width == 0 && height != 0)
1152                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1153         if(width != 0 && height == 0)
1154                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1155
1156         if(width < 2 || width > vid.width) // can't scale up
1157                 width = vid.width;
1158         if(height < 2 || height > vid.height) // can't scale up
1159                 height = vid.height;
1160
1161         aspect = vid.width / (vid.height * vid_pixelheight.value);
1162
1163         // ensure it's all even; if not, scale down a little
1164         if(width % 1)
1165                 --width;
1166         if(height % 1)
1167                 --height;
1168
1169         cls.capturevideo.width = width;
1170         cls.capturevideo.height = height;
1171         cls.capturevideo.active = true;
1172         cls.capturevideo.starttime = realtime;
1173         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1000);
1174         cls.capturevideo.soundrate = S_GetSoundRate();
1175         cls.capturevideo.frame = 0;
1176         cls.capturevideo.soundsampleframe = 0;
1177         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1178         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1179         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1180         gamma = 1.0/scr_screenshot_gammaboost.value;
1181         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/dpvideo%03i", cl_capturevideo_number.integer);
1182         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1183
1184         /*
1185         for (i = 0;i < 256;i++)
1186         {
1187                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1188                 cls.capturevideo.rgbgammatable[0][i] = j;
1189                 cls.capturevideo.rgbgammatable[1][i] = j;
1190                 cls.capturevideo.rgbgammatable[2][i] = j;
1191         }
1192         */
1193 /*
1194 R = Y + 1.4075 * (Cr - 128);
1195 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1196 B = Y + 1.7790 * (Cb - 128);
1197 Y = R *  .299 + G *  .587 + B *  .114;
1198 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1199 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1200 */
1201         for (i = 0;i < 256;i++)
1202         {
1203                 g = 255*pow(i/255.0, gamma);
1204                 // Y weights from RGB
1205                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(g *  0.299);
1206                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1207                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(g *  0.114);
1208                 // Cb weights from RGB
1209                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(g * -0.169);
1210                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1211                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(g *  0.500);
1212                 // Cr weights from RGB
1213                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(g *  0.500);
1214                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1215                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(g * -0.0813);
1216                 // range reduction of YCbCr to valid signal range
1217                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1218                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1219                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1220         }
1221
1222         //if (cl_capturevideo_)
1223         //{
1224         //}
1225         //else
1226         {
1227                 cls.capturevideo.format = CAPTUREVIDEOFORMAT_AVI_I420;
1228                 cls.capturevideo.videofile = FS_Open (va("%s.avi", cls.capturevideo.basename), "wb", false, true);
1229                 SCR_CaptureVideo_RIFF_Start();
1230                 // 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)
1231                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVI ");
1232                 // AVI main header
1233                 SCR_CaptureVideo_RIFF_Push("LIST", "hdrl");
1234                 SCR_CaptureVideo_RIFF_Push("avih", NULL);
1235                 SCR_CaptureVideo_RIFF_Write32((int)(1000000.0 / cls.capturevideo.framerate)); // microseconds per frame
1236                 SCR_CaptureVideo_RIFF_Write32(0); // max bytes per second
1237                 SCR_CaptureVideo_RIFF_Write32(0); // padding granularity
1238                 SCR_CaptureVideo_RIFF_Write32(0x910); // flags (AVIF_HASINDEX | AVIF_ISINTERLEAVED | AVIF_TRUSTCKTYPE)
1239                 cls.capturevideo.videofile_firstchunkframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1240                 SCR_CaptureVideo_RIFF_Write32(0); // total frames
1241                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1242                 if (cls.capturevideo.soundrate)
1243                         SCR_CaptureVideo_RIFF_Write32(2); // number of streams
1244                 else
1245                         SCR_CaptureVideo_RIFF_Write32(1); // number of streams
1246                 SCR_CaptureVideo_RIFF_Write32(0); // suggested buffer size
1247                 SCR_CaptureVideo_RIFF_Write32(width); // width
1248                 SCR_CaptureVideo_RIFF_Write32(height); // height
1249                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[0]
1250                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[1]
1251                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[2]
1252                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[3]
1253                 SCR_CaptureVideo_RIFF_Pop();
1254                 // video stream info
1255                 SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1256                 SCR_CaptureVideo_RIFF_Push("strh", "vids");
1257                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // stream fourcc (I420 colorspace, uncompressed)
1258                 SCR_CaptureVideo_RIFF_Write32(0); // flags
1259                 SCR_CaptureVideo_RIFF_Write16(0); // priority
1260                 SCR_CaptureVideo_RIFF_Write16(0); // language
1261                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1262                 // find an ideal divisor for the framerate
1263                 FindFraction(cls.capturevideo.framerate, &n, &d, 1000);
1264                 SCR_CaptureVideo_RIFF_Write32(d); // samples/second divisor
1265                 SCR_CaptureVideo_RIFF_Write32(n); // samples/second multiplied by divisor
1266                 SCR_CaptureVideo_RIFF_Write32(0); // start
1267                 cls.capturevideo.videofile_totalframes_offset1 = SCR_CaptureVideo_RIFF_GetPosition();
1268                 SCR_CaptureVideo_RIFF_Write32(0); // length
1269                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // suggested buffer size
1270                 SCR_CaptureVideo_RIFF_Write32(0); // quality
1271                 SCR_CaptureVideo_RIFF_Write32(0); // sample size
1272                 SCR_CaptureVideo_RIFF_Write16(0); // frame left
1273                 SCR_CaptureVideo_RIFF_Write16(0); // frame top
1274                 SCR_CaptureVideo_RIFF_Write16(width); // frame right
1275                 SCR_CaptureVideo_RIFF_Write16(height); // frame bottom
1276                 SCR_CaptureVideo_RIFF_Pop();
1277                 // video stream format
1278                 SCR_CaptureVideo_RIFF_Push("strf", NULL);
1279                 SCR_CaptureVideo_RIFF_Write32(40); // BITMAPINFO struct size
1280                 SCR_CaptureVideo_RIFF_Write32(width); // width
1281                 SCR_CaptureVideo_RIFF_Write32(height); // height
1282                 SCR_CaptureVideo_RIFF_Write16(3); // planes
1283                 SCR_CaptureVideo_RIFF_Write16(12); // bitcount
1284                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // compression
1285                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // size of image
1286                 SCR_CaptureVideo_RIFF_Write32(0); // x pixels per meter
1287                 SCR_CaptureVideo_RIFF_Write32(0); // y pixels per meter
1288                 SCR_CaptureVideo_RIFF_Write32(0); // color used
1289                 SCR_CaptureVideo_RIFF_Write32(0); // color important
1290                 SCR_CaptureVideo_RIFF_Pop();
1291                 // master index
1292                 SCR_CaptureVideo_RIFF_Push("indx", NULL);
1293                 SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1294                 SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1295                 cls.capturevideo.videofile_ix_master_video_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1296                 SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1297                 SCR_CaptureVideo_RIFF_WriteFourCC("00dc"); // dwChunkId
1298                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1299                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1300                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1301                 cls.capturevideo.videofile_ix_master_video_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1302                 for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1303                         SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1304                 SCR_CaptureVideo_RIFF_Pop();
1305                 // extended format (aspect!)
1306                 SCR_CaptureVideo_RIFF_Push("vprp", NULL);
1307                 SCR_CaptureVideo_RIFF_Write32(0); // VideoFormatToken
1308                 SCR_CaptureVideo_RIFF_Write32(0); // VideoStandard
1309                 SCR_CaptureVideo_RIFF_Write32((int)cls.capturevideo.framerate); // dwVerticalRefreshRate (bogus)
1310                 SCR_CaptureVideo_RIFF_Write32(width); // dwHTotalInT
1311                 SCR_CaptureVideo_RIFF_Write32(height); // dwVTotalInLines
1312                 FindFraction(aspect, &n, &d, 1000);
1313                 SCR_CaptureVideo_RIFF_Write32((n << 16) | d); // dwFrameAspectRatio // TODO a word
1314                 SCR_CaptureVideo_RIFF_Write32(width); // dwFrameWidthInPixels
1315                 SCR_CaptureVideo_RIFF_Write32(height); // dwFrameHeightInLines
1316                 SCR_CaptureVideo_RIFF_Write32(1); // nFieldPerFrame
1317                 SCR_CaptureVideo_RIFF_Write32(width); // CompressedBMWidth
1318                 SCR_CaptureVideo_RIFF_Write32(height); // CompressedBMHeight
1319                 SCR_CaptureVideo_RIFF_Write32(width); // ValidBMHeight
1320                 SCR_CaptureVideo_RIFF_Write32(height); // ValidBMWidth
1321                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffset
1322                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYOffset
1323                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffsetInT
1324                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYValidStartLine
1325                 SCR_CaptureVideo_RIFF_Pop();
1326                 SCR_CaptureVideo_RIFF_Pop();
1327                 if (cls.capturevideo.soundrate)
1328                 {
1329                         // audio stream info
1330                         SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1331                         SCR_CaptureVideo_RIFF_Push("strh", "auds");
1332                         SCR_CaptureVideo_RIFF_Write32(1); // stream fourcc (PCM audio, uncompressed)
1333                         SCR_CaptureVideo_RIFF_Write32(0); // flags
1334                         SCR_CaptureVideo_RIFF_Write16(0); // priority
1335                         SCR_CaptureVideo_RIFF_Write16(0); // language
1336                         SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1337                         SCR_CaptureVideo_RIFF_Write32(1); // samples/second divisor
1338                         SCR_CaptureVideo_RIFF_Write32((int)(cls.capturevideo.soundrate)); // samples/second multiplied by divisor
1339                         SCR_CaptureVideo_RIFF_Write32(0); // start
1340                         cls.capturevideo.videofile_totalsampleframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1341                         SCR_CaptureVideo_RIFF_Write32(0); // length
1342                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 2); // suggested buffer size (this is a half second)
1343                         SCR_CaptureVideo_RIFF_Write32(0); // quality
1344                         SCR_CaptureVideo_RIFF_Write32(4); // sample size
1345                         SCR_CaptureVideo_RIFF_Write16(0); // frame left
1346                         SCR_CaptureVideo_RIFF_Write16(0); // frame top
1347                         SCR_CaptureVideo_RIFF_Write16(0); // frame right
1348                         SCR_CaptureVideo_RIFF_Write16(0); // frame bottom
1349                         SCR_CaptureVideo_RIFF_Pop();
1350                         // audio stream format
1351                         SCR_CaptureVideo_RIFF_Push("strf", NULL);
1352                         SCR_CaptureVideo_RIFF_Write16(1); // format (uncompressed PCM?)
1353                         SCR_CaptureVideo_RIFF_Write16(2); // channels (stereo)
1354                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate); // sampleframes per second
1355                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 4); // average bytes per second
1356                         SCR_CaptureVideo_RIFF_Write16(4); // block align
1357                         SCR_CaptureVideo_RIFF_Write16(16); // bits per sample
1358                         SCR_CaptureVideo_RIFF_Write16(0); // size
1359                         SCR_CaptureVideo_RIFF_Pop();
1360                         // master index
1361                         SCR_CaptureVideo_RIFF_Push("indx", NULL);
1362                         SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1363                         SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1364                         cls.capturevideo.videofile_ix_master_audio_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1365                         SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1366                         SCR_CaptureVideo_RIFF_WriteFourCC("01wb"); // dwChunkId
1367                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1368                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1369                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1370                         cls.capturevideo.videofile_ix_master_audio_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1371                         for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1372                                 SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1373                         SCR_CaptureVideo_RIFF_Pop();
1374                         SCR_CaptureVideo_RIFF_Pop();
1375                 }
1376
1377                 cls.capturevideo.videofile_ix_master_audio_inuse = cls.capturevideo.videofile_ix_master_video_inuse = 0;
1378
1379                 // extended header (for total #frames)
1380                 SCR_CaptureVideo_RIFF_Push("LIST", "odml");
1381                 SCR_CaptureVideo_RIFF_Push("dmlh", NULL);
1382                 cls.capturevideo.videofile_totalframes_offset2 = SCR_CaptureVideo_RIFF_GetPosition();
1383                 SCR_CaptureVideo_RIFF_Write32(0);
1384                 SCR_CaptureVideo_RIFF_Pop();
1385                 SCR_CaptureVideo_RIFF_Pop();
1386
1387                 // close the AVI header list
1388                 SCR_CaptureVideo_RIFF_Pop();
1389                 // software that produced this AVI video file
1390                 SCR_CaptureVideo_RIFF_Push("LIST", "INFO");
1391                 SCR_CaptureVideo_RIFF_Push("ISFT", NULL);
1392                 SCR_CaptureVideo_RIFF_WriteTerminatedString(engineversion);
1393                 SCR_CaptureVideo_RIFF_Pop();
1394                 // enable this junk filler if you like the LIST movi to always begin at 4KB in the file (why?)
1395 #if 0
1396                 SCR_CaptureVideo_RIFF_Push("JUNK", NULL);
1397                 x = 4096 - SCR_CaptureVideo_RIFF_GetPosition();
1398                 while (x > 0)
1399                 {
1400                         const char *junkfiller = "[ DarkPlaces junk data ]";
1401                         int i = min(x, (int)strlen(junkfiller));
1402                         SCR_CaptureVideo_RIFF_WriteBytes((const unsigned char *)junkfiller, i);
1403                         x -= i;
1404                 }
1405                 SCR_CaptureVideo_RIFF_Pop();
1406 #endif
1407                 SCR_CaptureVideo_RIFF_Pop();
1408                 // begin the actual video section now
1409                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1410                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1411                 // we're done with the headers now...
1412                 SCR_CaptureVideo_RIFF_Flush();
1413                 if (cls.capturevideo.riffstacklevel != 2)
1414                         Sys_Error("SCR_CaptureVideo_BeginVideo: broken AVI writing code (stack level is %i (should be 2) at end of headers)\n", cls.capturevideo.riffstacklevel);
1415         }
1416
1417         switch(cls.capturevideo.format)
1418         {
1419         case CAPTUREVIDEOFORMAT_AVI_I420:
1420                 break;
1421         default:
1422                 break;
1423         }
1424 }
1425
1426 void SCR_CaptureVideo_EndVideo(void)
1427 {
1428         if (!cls.capturevideo.active)
1429                 return;
1430         cls.capturevideo.active = false;
1431         if (cls.capturevideo.videofile)
1432         {
1433                 switch(cls.capturevideo.format)
1434                 {
1435                 case CAPTUREVIDEOFORMAT_AVI_I420:
1436                         // close any open chunks
1437                         SCR_CaptureVideo_RIFF_Finish(true);
1438                         // go back and fix the video frames and audio samples fields
1439                         Con_DPrintf("Finishing capture (%d frames, %d audio frames)\n", cls.capturevideo.frame, cls.capturevideo.soundsampleframe);
1440                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset1, SEEK_SET);
1441                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1442                         SCR_CaptureVideo_RIFF_Flush();
1443                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset2, SEEK_SET);
1444                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1445                         SCR_CaptureVideo_RIFF_Flush();
1446                         if (cls.capturevideo.soundrate)
1447                         {
1448                                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalsampleframes_offset, SEEK_SET);
1449                                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundsampleframe);
1450                                 SCR_CaptureVideo_RIFF_Flush();
1451                         }
1452                         break;
1453                 default:
1454                         break;
1455                 }
1456                 FS_Close(cls.capturevideo.videofile);
1457                 cls.capturevideo.videofile = NULL;
1458         }
1459
1460         if (cls.capturevideo.screenbuffer)
1461         {
1462                 Mem_Free (cls.capturevideo.screenbuffer);
1463                 cls.capturevideo.screenbuffer = NULL;
1464         }
1465
1466         if (cls.capturevideo.outbuffer)
1467         {
1468                 Mem_Free (cls.capturevideo.outbuffer);
1469                 cls.capturevideo.outbuffer = NULL;
1470         }
1471
1472         if (cls.capturevideo.riffindexbuffer.data)
1473         {
1474                 Mem_Free(cls.capturevideo.riffindexbuffer.data);
1475                 cls.capturevideo.riffindexbuffer.data = NULL;
1476         }
1477
1478         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1479 }
1480
1481 // converts from BGRA32 to I420 colorspace (identical to YV12 except chroma plane order is reversed), this colorspace is handled by the Intel(r) 4:2:0 codec on Windows
1482 void SCR_CaptureVideo_ConvertFrame_BGRA_to_I420_flip(int width, int height, unsigned char *instart, unsigned char *outstart)
1483 {
1484         int x, y;
1485         int blockr, blockg, blockb;
1486         int outoffset = (width/2)*(height/2);
1487         unsigned char *b, *out;
1488         // process one line at a time, and CbCr every other line at 2 pixel intervals
1489         for (y = 0;y < height;y++)
1490         {
1491                 // 1x1 Y
1492                 for (b = instart + (height-1-y)*width*4, out = outstart + y*width, x = 0;x < width;x++, b += 4, out++)
1493                 {
1494                         blockr = b[2];
1495                         blockg = b[1];
1496                         blockb = b[0];
1497                         *out = cls.capturevideo.yuvnormalizetable[0][cls.capturevideo.rgbtoyuvscaletable[0][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[0][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[0][2][blockb]];
1498                 }
1499                 if ((y & 1) == 0)
1500                 {
1501                         // 2x2 Cr and Cb planes
1502                         int inpitch = width*4;
1503                         for (b = instart + (height-2-y)*width*4, out = outstart + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 8, out++)
1504                         {
1505                                 blockr = (b[2] + b[6] + b[inpitch+2] + b[inpitch+6]) >> 2;
1506                                 blockg = (b[1] + b[5] + b[inpitch+1] + b[inpitch+5]) >> 2;
1507                                 blockb = (b[0] + b[4] + b[inpitch+0] + b[inpitch+4]) >> 2;
1508                                 // Cr
1509                                 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];
1510                                 // Cb
1511                                 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];
1512                         }
1513                 }
1514         }
1515 }
1516
1517 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1518 {
1519         // TODO optimize this function
1520
1521         int x, y;
1522         float area;
1523
1524         // memcpy is faster than me
1525         if(inw == outw && inh == outh)
1526         {
1527                 memcpy(out, in, 4 * inw * inh);
1528                 return;
1529         }
1530
1531         // otherwise: a box filter
1532         area = (float)outw * (float)outh / (float)inw / (float)inh;
1533         for(y = 0; y < outh; ++y)
1534         {
1535                 float iny0 =  y    / (float)outh * inh; int iny0_i = floor(iny0);
1536                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = ceil(iny1);
1537                 for(x = 0; x < outw; ++x)
1538                 {
1539                         float inx0 =  x    / (float)outw * inw; int inx0_i = floor(inx0);
1540                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = ceil(inx1);
1541                         float r = 0, g = 0, b = 0, alpha = 0;
1542                         int xx, yy;
1543
1544                         for(yy = iny0_i; yy < iny1_i; ++yy)
1545                         {
1546                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1547                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1548                                 {
1549                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1550                                         r += a * in[4*(xx + inw * yy)+0];
1551                                         g += a * in[4*(xx + inw * yy)+1];
1552                                         b += a * in[4*(xx + inw * yy)+2];
1553                                         alpha += a * in[4*(xx + inw * yy)+3];
1554                                 }
1555                         }
1556
1557                         out[4*(x + outw * y)+0] = r * area;
1558                         out[4*(x + outw * y)+1] = g * area;
1559                         out[4*(x + outw * y)+2] = b * area;
1560                         out[4*(x + outw * y)+3] = alpha * area;
1561                 }
1562         }
1563 }
1564
1565 qboolean SCR_CaptureVideo_VideoFrame(int newframenum)
1566 {
1567         int x = 0, y = 0, width = cls.capturevideo.width, height = cls.capturevideo.height;
1568         unsigned char *in, *out;
1569         CHECKGLERROR
1570         //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);
1571         // speed is critical here, so do saving as directly as possible
1572         switch (cls.capturevideo.format)
1573         {
1574         case CAPTUREVIDEOFORMAT_AVI_I420:
1575                 // if there's no videofile we have to just give up, and abort saving
1576                 if (!cls.capturevideo.videofile)
1577                         return false;
1578                 // FIXME: width/height must be multiple of 2, enforce this?
1579                 qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1580                 SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1581                 in = cls.capturevideo.outbuffer;
1582                 out = cls.capturevideo.outbuffer + width*height*4;
1583                 SCR_CaptureVideo_ConvertFrame_BGRA_to_I420_flip(width, height, in, out);
1584                 x = width*height+(width/2)*(height/2)*2;
1585                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1586                 for (;cls.capturevideo.frame < newframenum;cls.capturevideo.frame++)
1587                 {
1588                         SCR_CaptureVideo_RIFF_IndexEntry("00dc", x, 0x10); // AVIIF_KEYFRAME
1589                         SCR_CaptureVideo_RIFF_Push("00dc", NULL);
1590                         SCR_CaptureVideo_RIFF_WriteBytes(out, x);
1591                         SCR_CaptureVideo_RIFF_Pop();
1592                 }
1593                 return true;
1594         default:
1595                 return false;
1596         }
1597 }
1598
1599 void SCR_CaptureVideo_SoundFrame(unsigned char *bufstereo16le, size_t length, int rate)
1600 {
1601         int x;
1602         cls.capturevideo.soundrate = rate;
1603         cls.capturevideo.soundsampleframe += length;
1604         switch (cls.capturevideo.format)
1605         {
1606         case CAPTUREVIDEOFORMAT_AVI_I420:
1607                 x = length*4;
1608                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1609                 SCR_CaptureVideo_RIFF_IndexEntry("01wb", x, 0x10); // AVIIF_KEYFRAME
1610                 SCR_CaptureVideo_RIFF_Push("01wb", NULL);
1611                 SCR_CaptureVideo_RIFF_WriteBytes(bufstereo16le, x);
1612                 SCR_CaptureVideo_RIFF_Pop();
1613                 break;
1614         default:
1615                 break;
1616         }
1617 }
1618
1619 void SCR_CaptureVideo(void)
1620 {
1621         int newframenum;
1622         if (cl_capturevideo.integer && r_render.integer)
1623         {
1624                 if (!cls.capturevideo.active)
1625                         SCR_CaptureVideo_BeginVideo();
1626                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value)
1627                 {
1628                         Con_Printf("You can not change the video framerate while recording a video.\n");
1629                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate);
1630                 }
1631                 // for AVI saving we have to make sure that sound is saved before video
1632                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1633                         return;
1634                 if (cls.capturevideo.realtime)
1635                 {
1636                         // preserve sound sync by duplicating frames when running slow
1637                         newframenum = (int)((realtime - cls.capturevideo.starttime) * cls.capturevideo.framerate);
1638                 }
1639                 else
1640                         newframenum = cls.capturevideo.frame + 1;
1641                 // if falling behind more than one second, stop
1642                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1643                 {
1644                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1645                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1646                         SCR_CaptureVideo_EndVideo();
1647                         return;
1648                 }
1649                 // write frames
1650                 SCR_CaptureVideo_VideoFrame(newframenum);
1651                 if (cls.capturevideo.error)
1652                 {
1653                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1654                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1655                         SCR_CaptureVideo_EndVideo();
1656                 }
1657         }
1658         else if (cls.capturevideo.active)
1659                 SCR_CaptureVideo_EndVideo();
1660 }
1661
1662 /*
1663 ===============
1664 R_Envmap_f
1665
1666 Grab six views for environment mapping tests
1667 ===============
1668 */
1669 struct envmapinfo_s
1670 {
1671         float angles[3];
1672         char *name;
1673         qboolean flipx, flipy, flipdiagonaly;
1674 }
1675 envmapinfo[12] =
1676 {
1677         {{  0,   0, 0}, "rt", false, false, false},
1678         {{  0, 270, 0}, "ft", false, false, false},
1679         {{  0, 180, 0}, "lf", false, false, false},
1680         {{  0,  90, 0}, "bk", false, false, false},
1681         {{-90, 180, 0}, "up",  true,  true, false},
1682         {{ 90, 180, 0}, "dn",  true,  true, false},
1683
1684         {{  0,   0, 0}, "px",  true,  true,  true},
1685         {{  0,  90, 0}, "py", false,  true, false},
1686         {{  0, 180, 0}, "nx", false, false,  true},
1687         {{  0, 270, 0}, "ny",  true, false, false},
1688         {{-90, 180, 0}, "pz", false, false,  true},
1689         {{ 90, 180, 0}, "nz", false, false,  true}
1690 };
1691
1692 static void R_Envmap_f (void)
1693 {
1694         int j, size;
1695         char filename[MAX_QPATH], basename[MAX_QPATH];
1696         unsigned char *buffer1;
1697         unsigned char *buffer2;
1698         unsigned char *buffer3;
1699
1700         if (Cmd_Argc() != 3)
1701         {
1702                 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");
1703                 return;
1704         }
1705
1706         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1707         size = atoi(Cmd_Argv(2));
1708         if (size != 128 && size != 256 && size != 512 && size != 1024)
1709         {
1710                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1711                 return;
1712         }
1713         if (size > vid.width || size > vid.height)
1714         {
1715                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1716                 return;
1717         }
1718
1719         r_refdef.envmap = true;
1720
1721         R_UpdateVariables();
1722
1723         r_refdef.view.x = 0;
1724         r_refdef.view.y = 0;
1725         r_refdef.view.z = 0;
1726         r_refdef.view.width = size;
1727         r_refdef.view.height = size;
1728         r_refdef.view.depth = 1;
1729         r_refdef.view.useperspective = true;
1730         r_refdef.view.isoverlay = false;
1731
1732         r_refdef.view.frustum_x = tan(90 * M_PI / 360.0);
1733         r_refdef.view.frustum_y = tan(90 * M_PI / 360.0);
1734
1735         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1736         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1737         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1738
1739         for (j = 0;j < 12;j++)
1740         {
1741                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1742                 Matrix4x4_CreateFromQuakeEntity(&r_refdef.view.matrix, r_refdef.view.origin[0], r_refdef.view.origin[1], r_refdef.view.origin[2], envmapinfo[j].angles[0], envmapinfo[j].angles[1], envmapinfo[j].angles[2], 1);
1743                 r_refdef.view.quality = 1;
1744                 r_refdef.view.clear = true;
1745                 R_Mesh_Start();
1746                 R_RenderView();
1747                 R_Mesh_Finish();
1748                 SCR_ScreenShot(filename, buffer1, buffer2, buffer3, 0, vid.height - (r_refdef.view.y + r_refdef.view.height), size, size, envmapinfo[j].flipx, envmapinfo[j].flipy, envmapinfo[j].flipdiagonaly, false, false);
1749         }
1750
1751         Mem_Free (buffer1);
1752         Mem_Free (buffer2);
1753         Mem_Free (buffer3);
1754
1755         r_refdef.envmap = false;
1756 }
1757
1758 //=============================================================================
1759
1760 void SHOWLMP_decodehide(void)
1761 {
1762         int i;
1763         char *lmplabel;
1764         lmplabel = MSG_ReadString();
1765         for (i = 0;i < cl.num_showlmps;i++)
1766                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1767                 {
1768                         cl.showlmps[i].isactive = false;
1769                         return;
1770                 }
1771 }
1772
1773 void SHOWLMP_decodeshow(void)
1774 {
1775         int k;
1776         char lmplabel[256], picname[256];
1777         float x, y;
1778         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1779         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1780         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1781         {
1782                 x = MSG_ReadByte();
1783                 y = MSG_ReadByte();
1784         }
1785         else
1786         {
1787                 x = MSG_ReadShort();
1788                 y = MSG_ReadShort();
1789         }
1790         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1791         {
1792                 showlmp_t *oldshowlmps = cl.showlmps;
1793                 cl.max_showlmps += 16;
1794                 cl.showlmps = Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1795                 if (cl.num_showlmps)
1796                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1797                 if (oldshowlmps)
1798                         Mem_Free(oldshowlmps);
1799         }
1800         for (k = 0;k < cl.max_showlmps;k++)
1801                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1802                         break;
1803         if (k == cl.max_showlmps)
1804                 for (k = 0;k < cl.max_showlmps;k++)
1805                         if (!cl.showlmps[k].isactive)
1806                                 break;
1807         cl.showlmps[k].isactive = true;
1808         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1809         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1810         cl.showlmps[k].x = x;
1811         cl.showlmps[k].y = y;
1812         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1813 }
1814
1815 void SHOWLMP_drawall(void)
1816 {
1817         int i;
1818         for (i = 0;i < cl.num_showlmps;i++)
1819                 if (cl.showlmps[i].isactive)
1820                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic (cl.showlmps[i].pic), 0, 0, 1, 1, 1, 1, 0);
1821 }
1822
1823 /*
1824 ==============================================================================
1825
1826                                                 SCREEN SHOTS
1827
1828 ==============================================================================
1829 */
1830
1831 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)
1832 {
1833         int     indices[3] = {0,1,2};
1834         qboolean ret;
1835
1836         if (!r_render.integer)
1837                 return false;
1838
1839         CHECKGLERROR
1840         qglReadPixels (x, y, width, height, jpeg ? GL_RGB : GL_BGR, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1841
1842         if (scr_screenshot_gammaboost.value != 1 && gammacorrect)
1843         {
1844                 int i;
1845                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1846                 unsigned char ramp[256];
1847                 for (i = 0;i < 256;i++)
1848                         ramp[i] = (unsigned char) (pow(i * (1.0 / 255.0), igamma) * 255.0);
1849                 for (i = 0;i < width*height*3;i++)
1850                         buffer1[i] = ramp[buffer1[i]];
1851         }
1852
1853         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1854
1855         if (jpeg)
1856                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1857         else
1858                 ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2, buffer3);
1859
1860         return ret;
1861 }
1862
1863 //=============================================================================
1864
1865 extern void R_UpdateFogColor(void);
1866 void R_ClearScreen(qboolean fogcolor)
1867 {
1868         // clear to black
1869         CHECKGLERROR
1870         if (fogcolor)
1871         {
1872                 R_UpdateFogColor();
1873                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1874         }
1875         else
1876         {
1877                 qglClearColor(0,0,0,0);CHECKGLERROR
1878         }
1879         qglClearDepth(1);CHECKGLERROR
1880         if (gl_stencil)
1881         {
1882                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1883                 // to avoid clamping interfering with strange shadow volume
1884                 // drawing orders
1885                 qglClearStencil(128);CHECKGLERROR
1886         }
1887         // clear the screen
1888         if (r_render.integer)
1889                 GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
1890         // set dithering mode
1891         if (gl_dither.integer)
1892         {
1893                 qglEnable(GL_DITHER);CHECKGLERROR
1894         }
1895         else
1896         {
1897                 qglDisable(GL_DITHER);CHECKGLERROR
1898         }
1899 }
1900
1901 qboolean CL_VM_UpdateView (void);
1902 void SCR_DrawConsole (void);
1903 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1904
1905 int r_stereo_side;
1906
1907 void SCR_DrawScreen (void)
1908 {
1909         R_Mesh_Start();
1910
1911         R_TimeReport_BeginFrame();
1912
1913         R_UpdateVariables();
1914
1915         // Quake uses clockwise winding, so these are swapped
1916         r_refdef.view.cullface_front = GL_BACK;
1917         r_refdef.view.cullface_back = GL_FRONT;
1918
1919         if (cls.signon == SIGNONS)
1920         {
1921                 float size;
1922
1923                 size = scr_viewsize.value * (1.0 / 100.0);
1924                 size = min(size, 1);
1925
1926                 if (r_stereo_sidebyside.integer)
1927                 {
1928                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1929                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1930                         r_refdef.view.depth = 1;
1931                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1932                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1933                         r_refdef.view.z = 0;
1934                         if (r_stereo_side)
1935                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1936                 }
1937                 else
1938                 {
1939                         r_refdef.view.width = (int)(vid.width * size);
1940                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1941                         r_refdef.view.depth = 1;
1942                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1943                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1944                         r_refdef.view.z = 0;
1945                 }
1946
1947                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1948                 // LordHavoc: this is designed to produce widescreen fov values
1949                 // when the screen is wider than 4/3 width/height aspect, to do
1950                 // this it simply assumes the requested fov is the vertical fov
1951                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1952                 // higher/lower according to the ratio
1953                 r_refdef.view.useperspective = true;
1954                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1955                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1956
1957                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1958                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1959
1960                 if(!CL_VM_UpdateView())
1961                         R_RenderView();
1962
1963                 if (scr_zoomwindow.integer)
1964                 {
1965                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1966                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1967                         r_refdef.view.width = (int)(vid.width * sizex);
1968                         r_refdef.view.height = (int)(vid.height * sizey);
1969                         r_refdef.view.depth = 1;
1970                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1971                         r_refdef.view.y = 0;
1972                         r_refdef.view.z = 0;
1973
1974                         r_refdef.view.useperspective = true;
1975                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1976                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1977
1978                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1979                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1980
1981                         if(!CL_VM_UpdateView())
1982                                 R_RenderView();
1983                 }
1984         }
1985
1986         if (!r_stereo_sidebyside.integer)
1987         {
1988                 r_refdef.view.width = vid.width;
1989                 r_refdef.view.height = vid.height;
1990                 r_refdef.view.depth = 1;
1991                 r_refdef.view.x = 0;
1992                 r_refdef.view.y = 0;
1993                 r_refdef.view.z = 0;
1994                 r_refdef.view.useperspective = false;
1995         }
1996
1997         // draw 2D stuff
1998         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1999                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
2000                         Con_DrawNotify ();      // only draw notify in game
2001
2002         if (cls.signon == SIGNONS)
2003         {
2004                 SCR_DrawNet ();
2005                 SCR_DrawTurtle ();
2006                 SCR_DrawPause ();
2007                 if (!r_letterbox.value)
2008                         Sbar_Draw();
2009                 SHOWLMP_drawall();
2010                 SCR_CheckDrawCenterString();
2011         }
2012         SCR_DrawNetGraph ();
2013         MR_Draw();
2014         CL_DrawVideo();
2015         R_Shadow_EditLights_DrawSelectedLightProperties();
2016
2017         SCR_DrawConsole();
2018
2019         SCR_DrawBrand();
2020
2021         SCR_DrawDownload();
2022
2023         if (r_timereport_active)
2024                 R_TimeReport("2d");
2025
2026         if (cls.signon == SIGNONS)
2027                 R_TimeReport_EndFrame();
2028
2029         DrawQ_Finish();
2030
2031         R_DrawGamma();
2032
2033         R_Mesh_Finish();
2034 }
2035
2036 void SCR_UpdateLoadingScreen (qboolean clear)
2037 {
2038         float x, y;
2039         cachepic_t *pic;
2040         float vertex3f[12];
2041         float texcoord2f[8];
2042         // don't do anything if not initialized yet
2043         if (vid_hidden || !scr_refresh.integer)
2044                 return;
2045         // release mouse grab while loading
2046         if (!vid.fullscreen)
2047                 VID_SetMouse(false, false, false);
2048         CHECKGLERROR
2049         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2050         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2051         //qglDepthMask(1);CHECKGLERROR
2052         qglColorMask(1,1,1,1);CHECKGLERROR
2053         qglClearColor(0,0,0,0);CHECKGLERROR
2054         // when starting up a new video mode, make sure the screen is cleared to black
2055         if (clear)
2056         {
2057                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
2058         }
2059         //qglDisable(GL_CULL_FACE);CHECKGLERROR
2060         //R_ClearScreen();
2061         R_Textures_Frame();
2062         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
2063         R_Mesh_Start();
2064         R_Mesh_Matrix(&identitymatrix);
2065         // draw the loading plaque
2066         pic = Draw_CachePic ("gfx/loading");
2067         x = (vid_conwidth.integer - pic->width)/2;
2068         y = (vid_conheight.integer - pic->height)/2;
2069         GL_Color(1,1,1,1);
2070         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2071         GL_DepthRange(0, 1);
2072         GL_PolygonOffset(0, 0);
2073         GL_DepthTest(false);
2074         R_Mesh_VertexPointer(vertex3f, 0, 0);
2075         R_Mesh_ColorPointer(NULL, 0, 0);
2076         R_Mesh_ResetTextureState();
2077         R_Mesh_TexBind(0, R_GetTexture(pic->tex));
2078         R_Mesh_TexCoordPointer(0, 2, texcoord2f, 0, 0);
2079         R_SetupGenericShader(true);
2080         vertex3f[2] = vertex3f[5] = vertex3f[8] = vertex3f[11] = 0;
2081         vertex3f[0] = vertex3f[9] = x;
2082         vertex3f[1] = vertex3f[4] = y;
2083         vertex3f[3] = vertex3f[6] = x + pic->width;
2084         vertex3f[7] = vertex3f[10] = y + pic->height;
2085         texcoord2f[0] = 0;texcoord2f[1] = 0;
2086         texcoord2f[2] = 1;texcoord2f[3] = 0;
2087         texcoord2f[4] = 1;texcoord2f[5] = 1;
2088         texcoord2f[6] = 0;texcoord2f[7] = 1;
2089         if (vid.stereobuffer)
2090         {
2091                 qglDrawBuffer(GL_FRONT_LEFT);
2092                 R_Mesh_Draw(0, 4, 0, 2, NULL, polygonelements, 0, 0);
2093                 qglDrawBuffer(GL_FRONT_RIGHT);
2094                 R_Mesh_Draw(0, 4, 0, 2, NULL, polygonelements, 0, 0);
2095         }
2096         else
2097         {
2098                 qglDrawBuffer(GL_FRONT);
2099                 R_Mesh_Draw(0, 4, 0, 2, NULL, polygonelements, 0, 0);
2100         }
2101         R_Mesh_Finish();
2102         // refresh
2103         // not necessary when rendering to GL_FRONT buffers
2104         //VID_Finish();
2105         // however this IS necessary on Windows Vista
2106         qglFinish();
2107 }
2108
2109 extern cvar_t cl_minfps;
2110 extern cvar_t cl_minfps_fade;
2111 extern cvar_t cl_minfps_qualitymax;
2112 extern cvar_t cl_minfps_qualitymin;
2113 extern cvar_t cl_minfps_qualitypower;
2114 extern cvar_t cl_minfps_qualityscale;
2115 static double cl_updatescreen_rendertime = 0;
2116 static double cl_updatescreen_quality = 1;
2117 void CL_UpdateScreen(void)
2118 {
2119         double rendertime1;
2120         float conwidth, conheight;
2121
2122         if (!scr_initialized || !con_initialized)
2123                 return;                         // not initialized yet
2124
2125         if(gamemode == GAME_NEXUIZ)
2126         {
2127                 // play a bit with the palette (experimental)
2128                 palette_rgb_pantscolormap[15][0] = 128 + 127 * sin(cl.time / exp(1) + 0*M_PI/3);
2129                 palette_rgb_pantscolormap[15][1] = 128 + 127 * sin(cl.time / exp(1) + 2*M_PI/3);
2130                 palette_rgb_pantscolormap[15][2] = 128 + 127 * sin(cl.time / exp(1) + 4*M_PI/3);
2131                 palette_rgb_shirtcolormap[15][0] = 128 + 127 * sin(cl.time /  M_PI  + 5*M_PI/3);
2132                 palette_rgb_shirtcolormap[15][1] = 128 + 127 * sin(cl.time /  M_PI  + 3*M_PI/3);
2133                 palette_rgb_shirtcolormap[15][2] = 128 + 127 * sin(cl.time /  M_PI  + 1*M_PI/3);
2134                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2135                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2136         }
2137
2138         if (vid_hidden || !scr_refresh.integer)
2139                 return;
2140
2141         rendertime1 = Sys_DoubleTime();
2142
2143         conwidth = bound(320, vid_conwidth.value, 2048);
2144         conheight = bound(200, vid_conheight.value, 1536);
2145         if (vid_conwidth.value != conwidth)
2146                 Cvar_SetValue("vid_conwidth", conwidth);
2147         if (vid_conheight.value != conheight)
2148                 Cvar_SetValue("vid_conheight", conheight);
2149
2150         // bound viewsize
2151         if (scr_viewsize.value < 30)
2152                 Cvar_Set ("viewsize","30");
2153         if (scr_viewsize.value > 120)
2154                 Cvar_Set ("viewsize","120");
2155
2156         // bound field of view
2157         if (scr_fov.value < 1)
2158                 Cvar_Set ("fov","1");
2159         if (scr_fov.value > 170)
2160                 Cvar_Set ("fov","170");
2161
2162         // validate r_textureunits cvar
2163         if (r_textureunits.integer > gl_textureunits)
2164                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
2165         if (r_textureunits.integer < 1)
2166                 Cvar_SetValueQuick(&r_textureunits, 1);
2167
2168         // validate gl_combine cvar
2169         if (gl_combine.integer && !gl_combine_extension)
2170                 Cvar_SetValueQuick(&gl_combine, 0);
2171
2172         // intermission is always full screen
2173         if (cl.intermission)
2174                 sb_lines = 0;
2175         else
2176         {
2177                 if (scr_viewsize.value >= 120)
2178                         sb_lines = 0;           // no status bar at all
2179                 else if (scr_viewsize.value >= 110)
2180                         sb_lines = 24;          // no inventory
2181                 else
2182                         sb_lines = 24+16+8;
2183         }
2184
2185         r_refdef.view.colormask[0] = 1;
2186         r_refdef.view.colormask[1] = 1;
2187         r_refdef.view.colormask[2] = 1;
2188
2189         SCR_SetUpToDrawConsole();
2190
2191         CHECKGLERROR
2192         qglDrawBuffer(GL_BACK);CHECKGLERROR
2193         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2194         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2195         qglDepthMask(1);CHECKGLERROR
2196         qglColorMask(1,1,1,1);CHECKGLERROR
2197         qglClearColor(0,0,0,0);CHECKGLERROR
2198         R_ClearScreen(false);
2199         r_refdef.view.clear = false;
2200         r_refdef.view.isoverlay = false;
2201         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, pow(cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value, cl_minfps_qualitymax.value);
2202
2203         if(scr_stipple.integer)
2204         {
2205                 GLubyte stipple[128];
2206                 int i, s, width, parts;
2207                 static int frame = 0;
2208                 ++frame;
2209
2210                 s = scr_stipple.integer;
2211                 parts = (s & 007);
2212                 width = (s & 070) >> 3;
2213
2214                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
2215                 for(i = 0; i < 128; ++i)
2216                 {
2217                         int line = i/4;
2218                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2219                 }
2220                 qglPolygonStipple(stipple);
2221         }
2222         else
2223                 qglDisable(GL_POLYGON_STIPPLE);
2224
2225         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
2226         {
2227                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2228                 matrix4x4_t offsetmatrix;
2229                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2230                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2231
2232                 if (r_stereo_sidebyside.integer)
2233                         r_stereo_side = 0;
2234
2235                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2236                 {
2237                         r_refdef.view.colormask[0] = 1;
2238                         r_refdef.view.colormask[1] = 0;
2239                         r_refdef.view.colormask[2] = 0;
2240                 }
2241
2242                 if (vid.stereobuffer)
2243                         qglDrawBuffer(GL_BACK_RIGHT);
2244
2245                 SCR_DrawScreen();
2246
2247                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2248                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2249
2250                 if (r_stereo_sidebyside.integer)
2251                         r_stereo_side = 1;
2252
2253                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2254                 {
2255                         r_refdef.view.colormask[0] = 0;
2256                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2257                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2258                 }
2259
2260                 if (vid.stereobuffer)
2261                         qglDrawBuffer(GL_BACK_LEFT);
2262
2263                 SCR_DrawScreen();
2264
2265                 r_refdef.view.matrix = originalmatrix;
2266         }
2267         else
2268                 SCR_DrawScreen();
2269
2270         SCR_CaptureVideo();
2271
2272         // quality adjustment according to render time
2273         qglFlush();
2274         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2275         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2276                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2277         else
2278                 cl_updatescreen_quality = 1;
2279
2280         if (!vid_activewindow)
2281                 VID_SetMouse(false, false, false);
2282         else if (key_consoleactive)
2283                 VID_SetMouse(vid.fullscreen, false, false);
2284         else if (key_dest == key_menu_grabbed)
2285                 VID_SetMouse(true, !in_client_mouse, true);
2286         else if (key_dest == key_menu)
2287                 VID_SetMouse(vid.fullscreen, !in_client_mouse, true);
2288         else
2289                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cls.demoplayback && !cl.csqc_wantsmousemove, true);
2290
2291         VID_Finish();
2292 }
2293
2294 void CL_Screen_NewMap(void)
2295 {
2296 }