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(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                 if (loc)
 701                         sprintf(string + strlen(string), "Location: %s\n", loc->name);
 702                 sprintf(string + strlen(string), "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n", 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]);
 703                 sprintf(string + strlen(string), "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n", r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles);
 704                 sprintf(string + strlen(string), "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n", 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));
 705                 sprintf(string + strlen(string), "%7i lightmap updates (%7i pixels)\n", r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels);
 706                 sprintf(string + strlen(string), "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n", r_refdef.stats.lights, r_refdef.stats.lights_clears, r_refdef.stats.lights_scissored, r_refdef.stats.lights_lighttriangles, r_refdef.stats.lights_shadowtriangles, r_refdef.stats.lights_dynamicshadowtriangles);
 707                 if (r_refdef.stats.bloom)
 708                         sprintf(string + strlen(string), "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels);
 709                 else
 710                         sprintf(string + strlen(string), "rendered%6i meshes%8i triangles\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3);
 711                 strlcat(string, r_speeds_timestring, sizeof(string));
 712
 713                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 714
 715                 speedstringcount = 0;
 716                 r_speeds_timestring[0] = 0;
 717                 r_timereport_active = false;
 718
 719                 if (r_speeds.integer >= 2)
 720                 {
 721                         r_timereport_active = true;
 722                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 723                 }
 724         }
 725
 726         if (string[0])
 727         {
 728                 if (string[strlen(string)-1] == '\n')
 729                         string[strlen(string)-1] = 0;
 730                 lines = 1;
 731                 for (i = 0;string[i];i++)
 732                         if (string[i] == '\n')
 733                                 lines++;
 734                 y = vid_conheight.integer - sb_lines - lines * 8;
 735                 i = j = 0;
 736                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 737                 while (string[i])
 738                 {
 739                         j = i;
 740                         while (string[i] && string[i] != '\n')
 741                                 i++;
 742                         if (i - j > 0)
 743                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true);
 744                         if (string[i] == '\n')
 745                                 i++;
 746                         y += 8;
 747                 }
 748         }
 749 }
 750
 751 /*
 752 =================
 753 SCR_SizeUp_f
 754
 755 Keybinding command
 756 =================
 757 */
 758 void SCR_SizeUp_f (void)
 759 {
 760         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 761 }
 762
 763
 764 /*
 765 =================
 766 SCR_SizeDown_f
 767
 768 Keybinding command
 769 =================
 770 */
 771 void SCR_SizeDown_f (void)
 772 {
 773         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 774 }
 775
 776 void SCR_CaptureVideo_EndVideo(void);
 777 void CL_Screen_Shutdown(void)
 778 {
 779         SCR_CaptureVideo_EndVideo();
 780 }
 781
 782 void CL_Screen_Init(void)
 783 {
 784         Cvar_RegisterVariable (&scr_fov);
 785         Cvar_RegisterVariable (&scr_viewsize);
 786         Cvar_RegisterVariable (&scr_conalpha);
 787         Cvar_RegisterVariable (&scr_conbrightness);
 788         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 789         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 790         Cvar_RegisterVariable (&scr_showram);
 791         Cvar_RegisterVariable (&scr_showturtle);
 792         Cvar_RegisterVariable (&scr_showpause);
 793         Cvar_RegisterVariable (&scr_showbrand);
 794         Cvar_RegisterVariable (&scr_centertime);
 795         Cvar_RegisterVariable (&scr_printspeed);
 796         Cvar_RegisterVariable (&vid_conwidth);
 797         Cvar_RegisterVariable (&vid_conheight);
 798         Cvar_RegisterVariable (&vid_pixelheight);
 799         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 800         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 801         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 802         Cvar_RegisterVariable (&cl_capturevideo);
 803         Cvar_RegisterVariable (&cl_capturevideo_width);
 804         Cvar_RegisterVariable (&cl_capturevideo_height);
 805         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 806         Cvar_RegisterVariable (&cl_capturevideo_fps);
 807         Cvar_RegisterVariable (&cl_capturevideo_number);
 808         Cvar_RegisterVariable (&r_letterbox);
 809         Cvar_RegisterVariable(&r_stereo_separation);
 810         Cvar_RegisterVariable(&r_stereo_sidebyside);
 811         Cvar_RegisterVariable(&r_stereo_redblue);
 812         Cvar_RegisterVariable(&r_stereo_redcyan);
 813         Cvar_RegisterVariable(&r_stereo_redgreen);
 814         Cvar_RegisterVariable(&r_stereo_angle);
 815         Cvar_RegisterVariable(&scr_zoomwindow);
 816         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 817         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 818         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 819         Cvar_RegisterVariable(&scr_stipple);
 820         Cvar_RegisterVariable(&scr_refresh);
 821         Cvar_RegisterVariable(&shownetgraph);
 822
 823         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 824         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 825         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 826         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 827
 828         scr_initialized = true;
 829 }
 830
 831 /*
 832 ==================
 833 SCR_ScreenShot_f
 834 ==================
 835 */
 836 void SCR_ScreenShot_f (void)
 837 {
 838         static int shotnumber;
 839         static char oldname[MAX_QPATH];
 840         char base[MAX_QPATH];
 841         char filename[MAX_QPATH];
 842         unsigned char *buffer1;
 843         unsigned char *buffer2;
 844         unsigned char *buffer3;
 845         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 846
 847         sprintf (base, "screenshots/%s", scr_screenshot_name.string);
 848
 849         if (strcmp (oldname, scr_screenshot_name.string))
 850         {
 851                 sprintf(oldname, "%s", scr_screenshot_name.string);
 852                 shotnumber = 0;
 853         }
 854
 855         // find a file name to save it to
 856         for (;shotnumber < 1000000;shotnumber++)
 857                 if (!FS_SysFileExists(va("%s/%s%06d.tga", fs_gamedir, base, shotnumber)) && !FS_SysFileExists(va("%s/%s%06d.jpg", fs_gamedir, base, shotnumber)))
 858                         break;
 859         if (shotnumber >= 1000000)
 860         {
 861                 Con_Print("SCR_ScreenShot_f: Couldn't create the image file\n");
 862                 return;
 863         }
 864
 865         sprintf(filename, "%s%06d.%s", base, shotnumber, jpeg ? "jpg" : "tga");
 866
 867         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 868         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 869         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
 870
 871         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
 872                 Con_Printf("Wrote %s\n", filename);
 873         else
 874                 Con_Printf("unable to write %s\n", filename);
 875
 876         Mem_Free (buffer1);
 877         Mem_Free (buffer2);
 878         Mem_Free (buffer3);
 879
 880         shotnumber++;
 881 }
 882
 883 static void SCR_CaptureVideo_RIFF_Start(void)
 884 {
 885         memset(&cls.capturevideo.riffbuffer, 0, sizeof(sizebuf_t));
 886         cls.capturevideo.riffbuffer.maxsize = sizeof(cls.capturevideo.riffbufferdata);
 887         cls.capturevideo.riffbuffer.data = cls.capturevideo.riffbufferdata;
 888 }
 889
 890 static void SCR_CaptureVideo_RIFF_Flush(void)
 891 {
 892         if (cls.capturevideo.riffbuffer.cursize > 0)
 893         {
 894                 if (!FS_Write(cls.capturevideo.videofile, cls.capturevideo.riffbuffer.data, cls.capturevideo.riffbuffer.cursize))
 895                         cls.capturevideo.error = true;
 896                 cls.capturevideo.riffbuffer.cursize = 0;
 897                 cls.capturevideo.riffbuffer.overflowed = false;
 898         }
 899 }
 900
 901 static void SCR_CaptureVideo_RIFF_WriteBytes(const unsigned char *data, size_t size)
 902 {
 903         SCR_CaptureVideo_RIFF_Flush();
 904         if (!FS_Write(cls.capturevideo.videofile, data, size))
 905                 cls.capturevideo.error = true;
 906 }
 907
 908 static void SCR_CaptureVideo_RIFF_Write32(int n)
 909 {
 910         if (cls.capturevideo.riffbuffer.cursize + 4 > cls.capturevideo.riffbuffer.maxsize)
 911                 SCR_CaptureVideo_RIFF_Flush();
 912         MSG_WriteLong(&cls.capturevideo.riffbuffer, n);
 913 }
 914
 915 static void SCR_CaptureVideo_RIFF_Write16(int n)
 916 {
 917         if (cls.capturevideo.riffbuffer.cursize + 2 > cls.capturevideo.riffbuffer.maxsize)
 918                 SCR_CaptureVideo_RIFF_Flush();
 919         MSG_WriteShort(&cls.capturevideo.riffbuffer, n);
 920 }
 921
 922 static void SCR_CaptureVideo_RIFF_WriteFourCC(const char *chunkfourcc)
 923 {
 924         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(chunkfourcc) > cls.capturevideo.riffbuffer.maxsize)
 925                 SCR_CaptureVideo_RIFF_Flush();
 926         MSG_WriteUnterminatedString(&cls.capturevideo.riffbuffer, chunkfourcc);
 927 }
 928
 929 static void SCR_CaptureVideo_RIFF_WriteTerminatedString(const char *string)
 930 {
 931         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(string) > cls.capturevideo.riffbuffer.maxsize)
 932                 SCR_CaptureVideo_RIFF_Flush();
 933         MSG_WriteString(&cls.capturevideo.riffbuffer, string);
 934 }
 935
 936 static fs_offset_t SCR_CaptureVideo_RIFF_GetPosition(void)
 937 {
 938         SCR_CaptureVideo_RIFF_Flush();
 939         return FS_Tell(cls.capturevideo.videofile);
 940 }
 941
 942 static void SCR_CaptureVideo_RIFF_Push(const char *chunkfourcc, const char *listtypefourcc)
 943 {
 944         SCR_CaptureVideo_RIFF_WriteFourCC(chunkfourcc);
 945         SCR_CaptureVideo_RIFF_Write32(0);
 946         SCR_CaptureVideo_RIFF_Flush();
 947         cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel++] = SCR_CaptureVideo_RIFF_GetPosition();
 948         if (listtypefourcc)
 949                 SCR_CaptureVideo_RIFF_WriteFourCC(listtypefourcc);
 950 }
 951
 952 static void SCR_CaptureVideo_RIFF_Pop(void)
 953 {
 954         fs_offset_t offset;
 955         int x;
 956         unsigned char sizebytes[4];
 957         // write out the chunk size and then return to the current file position
 958         cls.capturevideo.riffstacklevel--;
 959         offset = SCR_CaptureVideo_RIFF_GetPosition();
 960         x = (int)(offset - (cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel]));
 961         sizebytes[0] = (x) & 0xff;sizebytes[1] = (x >> 8) & 0xff;sizebytes[2] = (x >> 16) & 0xff;sizebytes[3] = (x >> 24) & 0xff;
 962         FS_Seek(cls.capturevideo.videofile, -(x + 4), SEEK_END);
 963         FS_Write(cls.capturevideo.videofile, sizebytes, 4);
 964         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
 965         if (offset & 1)
 966         {
 967                 unsigned char c = 0;
 968                 FS_Write(cls.capturevideo.videofile, &c, 1);
 969         }
 970 }
 971
 972 static void GrowBuf(sizebuf_t *buf, int extralen)
 973 {
 974         if(buf->cursize + extralen > buf->maxsize)
 975         {
 976                 int oldsize = buf->maxsize;
 977                 unsigned char *olddata;
 978                 olddata = buf->data;
 979                 buf->maxsize = max(buf->maxsize * 2, 4096);
 980                 buf->data = Mem_Alloc(tempmempool, buf->maxsize);
 981                 if(olddata)
 982                 {
 983                         memcpy(buf->data, olddata, oldsize);
 984                         Mem_Free(olddata);
 985                 }
 986         }
 987 }
 988
 989 static void SCR_CaptureVideo_RIFF_IndexEntry(const char *chunkfourcc, int chunksize, int flags)
 990 {
 991         if (cls.capturevideo.riffstacklevel != 2)
 992                 Sys_Error("SCR_Capturevideo_RIFF_IndexEntry: RIFF stack level is %i (should be 2)\n", cls.capturevideo.riffstacklevel);
 993         GrowBuf(&cls.capturevideo.riffindexbuffer, 16);
 994         SCR_CaptureVideo_RIFF_Flush();
 995         MSG_WriteUnterminatedString(&cls.capturevideo.riffindexbuffer, chunkfourcc);
 996         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, flags);
 997         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, (int)FS_Tell(cls.capturevideo.videofile) - cls.capturevideo.riffstackstartoffset[1]);
 998         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, chunksize);
 999 }
1000
1001 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)
1002 {
1003         int nMatching;
1004         int i;
1005         fs_offset_t ix = SCR_CaptureVideo_RIFF_GetPosition();
1006         fs_offset_t pos;
1007
1008         if(*masteridx_count >= AVI_MASTER_INDEX_SIZE)
1009                 return;
1010
1011         nMatching = 0; // go through index and enumerate them
1012         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
1013                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
1014                         ++nMatching;
1015
1016         SCR_CaptureVideo_RIFF_Push(fcc, NULL);
1017         SCR_CaptureVideo_RIFF_Write16(2); // wLongsPerEntry
1018         SCR_CaptureVideo_RIFF_Write16(0x0100); // bIndexType=1, bIndexSubType=0
1019         SCR_CaptureVideo_RIFF_Write32(nMatching); // nEntriesInUse
1020         SCR_CaptureVideo_RIFF_WriteFourCC(dwChunkId); // dwChunkId
1021         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.videofile_ix_movistart & (fs_offset_t) 0xFFFFFFFFu);
1022         SCR_CaptureVideo_RIFF_Write32(((fs_offset_t) cls.capturevideo.videofile_ix_movistart) >> 32);
1023         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved
1024
1025         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
1026                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
1027                 {
1028                         unsigned int *p = (unsigned int *) (cls.capturevideo.riffindexbuffer.data + i);
1029                         unsigned int flags = p[1];
1030                         unsigned int rpos = p[2];
1031                         unsigned int size = p[3];
1032                         size &= ~0x80000000;
1033                         if(!(flags & 0x10)) // no keyframe?
1034                                 size |= 0x80000000;
1035                         SCR_CaptureVideo_RIFF_Write32(rpos + 8);
1036                         SCR_CaptureVideo_RIFF_Write32(size);
1037                 }
1038
1039         SCR_CaptureVideo_RIFF_Pop();
1040         pos = SCR_CaptureVideo_RIFF_GetPosition();
1041         SCR_CaptureVideo_RIFF_Flush();
1042
1043         FS_Seek(cls.capturevideo.videofile, masteridx_start + 16 * *masteridx_count, SEEK_SET);
1044         SCR_CaptureVideo_RIFF_Write32(ix & (fs_offset_t) 0xFFFFFFFFu);
1045         SCR_CaptureVideo_RIFF_Write32(((fs_offset_t) ix) >> 32);
1046         SCR_CaptureVideo_RIFF_Write32(pos - ix);
1047         SCR_CaptureVideo_RIFF_Write32(nMatching);
1048         SCR_CaptureVideo_RIFF_Flush();
1049
1050         FS_Seek(cls.capturevideo.videofile, masteridx_counter, SEEK_SET);
1051         SCR_CaptureVideo_RIFF_Write32(++*masteridx_count);
1052         SCR_CaptureVideo_RIFF_Flush();
1053
1054         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1055 }
1056
1057 static void SCR_CaptureVideo_RIFF_Finish(qboolean final)
1058 {
1059         // close the "movi" list
1060         SCR_CaptureVideo_RIFF_Pop();
1061         if(cls.capturevideo.videofile_ix_master_video_inuse_offset)
1062                 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);
1063         if(cls.capturevideo.videofile_ix_master_audio_inuse_offset)
1064                 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);
1065         // write the idx1 chunk that we've been building while saving the frames (for old style players)
1066         if(final && cls.capturevideo.videofile_firstchunkframes_offset)
1067         // TODO replace index creating by OpenDML ix##/##ix/indx chunk so it works for more than one AVI part too
1068         {
1069                 SCR_CaptureVideo_RIFF_Push("idx1", NULL);
1070                 SCR_CaptureVideo_RIFF_WriteBytes(cls.capturevideo.riffindexbuffer.data, cls.capturevideo.riffindexbuffer.cursize);
1071                 SCR_CaptureVideo_RIFF_Pop();
1072         }
1073         cls.capturevideo.riffindexbuffer.cursize = 0;
1074         // pop the RIFF chunk itself
1075         while (cls.capturevideo.riffstacklevel > 0)
1076                 SCR_CaptureVideo_RIFF_Pop();
1077         SCR_CaptureVideo_RIFF_Flush();
1078         if(cls.capturevideo.videofile_firstchunkframes_offset)
1079         {
1080                 Con_DPrintf("Finishing first chunk (%d frames)\n", cls.capturevideo.frame);
1081                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_firstchunkframes_offset, SEEK_SET);
1082                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1083                 SCR_CaptureVideo_RIFF_Flush();
1084                 FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1085                 cls.capturevideo.videofile_firstchunkframes_offset = 0;
1086         }
1087         else
1088                 Con_DPrintf("Finishing another chunk (%d frames)\n", cls.capturevideo.frame);
1089 }
1090
1091 static void SCR_CaptureVideo_RIFF_OverflowCheck(int framesize)
1092 {
1093         fs_offset_t cursize, curfilesize;
1094         if (cls.capturevideo.riffstacklevel != 2)
1095                 Sys_Error("SCR_CaptureVideo_RIFF_OverflowCheck: chunk stack leakage!\n");
1096         // check where we are in the file
1097         SCR_CaptureVideo_RIFF_Flush();
1098         cursize = SCR_CaptureVideo_RIFF_GetPosition() - cls.capturevideo.riffstackstartoffset[0];
1099         curfilesize = SCR_CaptureVideo_RIFF_GetPosition();
1100
1101         // if this would overflow the windows limit of 1GB per RIFF chunk, we need
1102         // to close the current RIFF chunk and open another for future frames
1103         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
1104         {
1105                 SCR_CaptureVideo_RIFF_Finish(false);
1106                 // begin a new 1GB extended section of the AVI
1107                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVIX");
1108                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1109                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1110         }
1111 }
1112
1113 static void FindFraction(double val, int *num, int *denom, int denomMax)
1114 {
1115         int i;
1116         double bestdiff;
1117         // initialize
1118         bestdiff = fabs(val);
1119         *num = 0;
1120         *denom = 1;
1121
1122         for(i = 1; i <= denomMax; ++i)
1123         {
1124                 int inum = floor(0.5 + val * i);
1125                 double diff = fabs(val - inum / (double)i);
1126                 if(diff < bestdiff)
1127                 {
1128                         bestdiff = diff;
1129                         *num = inum;
1130                         *denom = i;
1131                 }
1132         }
1133 }
1134
1135 void SCR_CaptureVideo_BeginVideo(void)
1136 {
1137         double gamma, g, aspect;
1138         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1139         int n, d;
1140         unsigned int i;
1141         if (cls.capturevideo.active)
1142                 return;
1143         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1144         // soundrate is figured out on the first SoundFrame
1145
1146         if(width == 0 && height != 0)
1147                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1148         if(width != 0 && height == 0)
1149                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1150
1151         if(width < 2 || width > vid.width) // can't scale up
1152                 width = vid.width;
1153         if(height < 2 || height > vid.height) // can't scale up
1154                 height = vid.height;
1155
1156         aspect = vid.width / (vid.height * vid_pixelheight.value);
1157
1158         // ensure it's all even; if not, scale down a little
1159         if(width % 1)
1160                 --width;
1161         if(height % 1)
1162                 --height;
1163
1164         cls.capturevideo.width = width;
1165         cls.capturevideo.height = height;
1166         cls.capturevideo.active = true;
1167         cls.capturevideo.starttime = realtime;
1168         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1000);
1169         cls.capturevideo.soundrate = S_GetSoundRate();
1170         cls.capturevideo.frame = 0;
1171         cls.capturevideo.soundsampleframe = 0;
1172         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1173         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1174         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1175         gamma = 1.0/scr_screenshot_gammaboost.value;
1176         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/dpvideo%03i", cl_capturevideo_number.integer);
1177         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1178
1179         /*
1180         for (i = 0;i < 256;i++)
1181         {
1182                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1183                 cls.capturevideo.rgbgammatable[0][i] = j;
1184                 cls.capturevideo.rgbgammatable[1][i] = j;
1185                 cls.capturevideo.rgbgammatable[2][i] = j;
1186         }
1187         */
1188 /*
1189 R = Y + 1.4075 * (Cr - 128);
1190 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1191 B = Y + 1.7790 * (Cb - 128);
1192 Y = R *  .299 + G *  .587 + B *  .114;
1193 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1194 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1195 */
1196         for (i = 0;i < 256;i++)
1197         {
1198                 g = 255*pow(i/255.0, gamma);
1199                 // Y weights from RGB
1200                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(g *  0.299);
1201                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1202                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(g *  0.114);
1203                 // Cb weights from RGB
1204                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(g * -0.169);
1205                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1206                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(g *  0.500);
1207                 // Cr weights from RGB
1208                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(g *  0.500);
1209                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1210                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(g * -0.0813);
1211                 // range reduction of YCbCr to valid signal range
1212                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1213                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1214                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1215         }
1216
1217         //if (cl_capturevideo_)
1218         //{
1219         //}
1220         //else
1221         {
1222                 cls.capturevideo.format = CAPTUREVIDEOFORMAT_AVI_I420;
1223                 cls.capturevideo.videofile = FS_Open (va("%s.avi", cls.capturevideo.basename), "wb", false, true);
1224                 SCR_CaptureVideo_RIFF_Start();
1225                 // 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)
1226                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVI ");
1227                 // AVI main header
1228                 SCR_CaptureVideo_RIFF_Push("LIST", "hdrl");
1229                 SCR_CaptureVideo_RIFF_Push("avih", NULL);
1230                 SCR_CaptureVideo_RIFF_Write32((int)(1000000.0 / cls.capturevideo.framerate)); // microseconds per frame
1231                 SCR_CaptureVideo_RIFF_Write32(0); // max bytes per second
1232                 SCR_CaptureVideo_RIFF_Write32(0); // padding granularity
1233                 SCR_CaptureVideo_RIFF_Write32(0x910); // flags (AVIF_HASINDEX | AVIF_ISINTERLEAVED | AVIF_TRUSTCKTYPE)
1234                 cls.capturevideo.videofile_firstchunkframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1235                 SCR_CaptureVideo_RIFF_Write32(0); // total frames
1236                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1237                 if (cls.capturevideo.soundrate)
1238                         SCR_CaptureVideo_RIFF_Write32(2); // number of streams
1239                 else
1240                         SCR_CaptureVideo_RIFF_Write32(1); // number of streams
1241                 SCR_CaptureVideo_RIFF_Write32(0); // suggested buffer size
1242                 SCR_CaptureVideo_RIFF_Write32(width); // width
1243                 SCR_CaptureVideo_RIFF_Write32(height); // height
1244                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[0]
1245                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[1]
1246                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[2]
1247                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[3]
1248                 SCR_CaptureVideo_RIFF_Pop();
1249                 // video stream info
1250                 SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1251                 SCR_CaptureVideo_RIFF_Push("strh", "vids");
1252                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // stream fourcc (I420 colorspace, uncompressed)
1253                 SCR_CaptureVideo_RIFF_Write32(0); // flags
1254                 SCR_CaptureVideo_RIFF_Write16(0); // priority
1255                 SCR_CaptureVideo_RIFF_Write16(0); // language
1256                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1257                 // find an ideal divisor for the framerate
1258                 FindFraction(cls.capturevideo.framerate, &n, &d, 1000);
1259                 SCR_CaptureVideo_RIFF_Write32(d); // samples/second divisor
1260                 SCR_CaptureVideo_RIFF_Write32(n); // samples/second multiplied by divisor
1261                 SCR_CaptureVideo_RIFF_Write32(0); // start
1262                 cls.capturevideo.videofile_totalframes_offset1 = SCR_CaptureVideo_RIFF_GetPosition();
1263                 SCR_CaptureVideo_RIFF_Write32(0); // length
1264                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // suggested buffer size
1265                 SCR_CaptureVideo_RIFF_Write32(0); // quality
1266                 SCR_CaptureVideo_RIFF_Write32(0); // sample size
1267                 SCR_CaptureVideo_RIFF_Write16(0); // frame left
1268                 SCR_CaptureVideo_RIFF_Write16(0); // frame top
1269                 SCR_CaptureVideo_RIFF_Write16(width); // frame right
1270                 SCR_CaptureVideo_RIFF_Write16(height); // frame bottom
1271                 SCR_CaptureVideo_RIFF_Pop();
1272                 // video stream format
1273                 SCR_CaptureVideo_RIFF_Push("strf", NULL);
1274                 SCR_CaptureVideo_RIFF_Write32(40); // BITMAPINFO struct size
1275                 SCR_CaptureVideo_RIFF_Write32(width); // width
1276                 SCR_CaptureVideo_RIFF_Write32(height); // height
1277                 SCR_CaptureVideo_RIFF_Write16(3); // planes
1278                 SCR_CaptureVideo_RIFF_Write16(12); // bitcount
1279                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // compression
1280                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // size of image
1281                 SCR_CaptureVideo_RIFF_Write32(0); // x pixels per meter
1282                 SCR_CaptureVideo_RIFF_Write32(0); // y pixels per meter
1283                 SCR_CaptureVideo_RIFF_Write32(0); // color used
1284                 SCR_CaptureVideo_RIFF_Write32(0); // color important
1285                 SCR_CaptureVideo_RIFF_Pop();
1286                 // master index
1287                 SCR_CaptureVideo_RIFF_Push("indx", NULL);
1288                 SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1289                 SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1290                 cls.capturevideo.videofile_ix_master_video_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1291                 SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1292                 SCR_CaptureVideo_RIFF_WriteFourCC("00dc"); // dwChunkId
1293                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1294                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1295                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1296                 cls.capturevideo.videofile_ix_master_video_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1297                 for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1298                         SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1299                 SCR_CaptureVideo_RIFF_Pop();
1300                 // extended format (aspect!)
1301                 SCR_CaptureVideo_RIFF_Push("vprp", NULL);
1302                 SCR_CaptureVideo_RIFF_Write32(0); // VideoFormatToken
1303                 SCR_CaptureVideo_RIFF_Write32(0); // VideoStandard
1304                 SCR_CaptureVideo_RIFF_Write32((int)cls.capturevideo.framerate); // dwVerticalRefreshRate (bogus)
1305                 SCR_CaptureVideo_RIFF_Write32(width); // dwHTotalInT
1306                 SCR_CaptureVideo_RIFF_Write32(height); // dwVTotalInLines
1307                 FindFraction(aspect, &n, &d, 1000);
1308                 SCR_CaptureVideo_RIFF_Write32((n << 16) | d); // dwFrameAspectRatio // TODO a word
1309                 SCR_CaptureVideo_RIFF_Write32(width); // dwFrameWidthInPixels
1310                 SCR_CaptureVideo_RIFF_Write32(height); // dwFrameHeightInLines
1311                 SCR_CaptureVideo_RIFF_Write32(1); // nFieldPerFrame
1312                 SCR_CaptureVideo_RIFF_Write32(width); // CompressedBMWidth
1313                 SCR_CaptureVideo_RIFF_Write32(height); // CompressedBMHeight
1314                 SCR_CaptureVideo_RIFF_Write32(width); // ValidBMHeight
1315                 SCR_CaptureVideo_RIFF_Write32(height); // ValidBMWidth
1316                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffset
1317                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYOffset
1318                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffsetInT
1319                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYValidStartLine
1320                 SCR_CaptureVideo_RIFF_Pop();
1321                 SCR_CaptureVideo_RIFF_Pop();
1322                 if (cls.capturevideo.soundrate)
1323                 {
1324                         // audio stream info
1325                         SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1326                         SCR_CaptureVideo_RIFF_Push("strh", "auds");
1327                         SCR_CaptureVideo_RIFF_Write32(1); // stream fourcc (PCM audio, uncompressed)
1328                         SCR_CaptureVideo_RIFF_Write32(0); // flags
1329                         SCR_CaptureVideo_RIFF_Write16(0); // priority
1330                         SCR_CaptureVideo_RIFF_Write16(0); // language
1331                         SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1332                         SCR_CaptureVideo_RIFF_Write32(1); // samples/second divisor
1333                         SCR_CaptureVideo_RIFF_Write32((int)(cls.capturevideo.soundrate)); // samples/second multiplied by divisor
1334                         SCR_CaptureVideo_RIFF_Write32(0); // start
1335                         cls.capturevideo.videofile_totalsampleframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1336                         SCR_CaptureVideo_RIFF_Write32(0); // length
1337                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 2); // suggested buffer size (this is a half second)
1338                         SCR_CaptureVideo_RIFF_Write32(0); // quality
1339                         SCR_CaptureVideo_RIFF_Write32(4); // sample size
1340                         SCR_CaptureVideo_RIFF_Write16(0); // frame left
1341                         SCR_CaptureVideo_RIFF_Write16(0); // frame top
1342                         SCR_CaptureVideo_RIFF_Write16(0); // frame right
1343                         SCR_CaptureVideo_RIFF_Write16(0); // frame bottom
1344                         SCR_CaptureVideo_RIFF_Pop();
1345                         // audio stream format
1346                         SCR_CaptureVideo_RIFF_Push("strf", NULL);
1347                         SCR_CaptureVideo_RIFF_Write16(1); // format (uncompressed PCM?)
1348                         SCR_CaptureVideo_RIFF_Write16(2); // channels (stereo)
1349                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate); // sampleframes per second
1350                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 4); // average bytes per second
1351                         SCR_CaptureVideo_RIFF_Write16(4); // block align
1352                         SCR_CaptureVideo_RIFF_Write16(16); // bits per sample
1353                         SCR_CaptureVideo_RIFF_Write16(0); // size
1354                         SCR_CaptureVideo_RIFF_Pop();
1355                         // master index
1356                         SCR_CaptureVideo_RIFF_Push("indx", NULL);
1357                         SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1358                         SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1359                         cls.capturevideo.videofile_ix_master_audio_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1360                         SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1361                         SCR_CaptureVideo_RIFF_WriteFourCC("01wb"); // dwChunkId
1362                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1363                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1364                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1365                         cls.capturevideo.videofile_ix_master_audio_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1366                         for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1367                                 SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1368                         SCR_CaptureVideo_RIFF_Pop();
1369                         SCR_CaptureVideo_RIFF_Pop();
1370                 }
1371
1372                 cls.capturevideo.videofile_ix_master_audio_inuse = cls.capturevideo.videofile_ix_master_video_inuse = 0;
1373
1374                 // extended header (for total #frames)
1375                 SCR_CaptureVideo_RIFF_Push("LIST", "odml");
1376                 SCR_CaptureVideo_RIFF_Push("dmlh", NULL);
1377                 cls.capturevideo.videofile_totalframes_offset2 = SCR_CaptureVideo_RIFF_GetPosition();
1378                 SCR_CaptureVideo_RIFF_Write32(0);
1379                 SCR_CaptureVideo_RIFF_Pop();
1380                 SCR_CaptureVideo_RIFF_Pop();
1381
1382                 // close the AVI header list
1383                 SCR_CaptureVideo_RIFF_Pop();
1384                 // software that produced this AVI video file
1385                 SCR_CaptureVideo_RIFF_Push("LIST", "INFO");
1386                 SCR_CaptureVideo_RIFF_Push("ISFT", NULL);
1387                 SCR_CaptureVideo_RIFF_WriteTerminatedString(engineversion);
1388                 SCR_CaptureVideo_RIFF_Pop();
1389                 // enable this junk filler if you like the LIST movi to always begin at 4KB in the file (why?)
1390 #if 0
1391                 SCR_CaptureVideo_RIFF_Push("JUNK", NULL);
1392                 x = 4096 - SCR_CaptureVideo_RIFF_GetPosition();
1393                 while (x > 0)
1394                 {
1395                         const char *junkfiller = "[ DarkPlaces junk data ]";
1396                         int i = min(x, (int)strlen(junkfiller));
1397                         SCR_CaptureVideo_RIFF_WriteBytes((const unsigned char *)junkfiller, i);
1398                         x -= i;
1399                 }
1400                 SCR_CaptureVideo_RIFF_Pop();
1401 #endif
1402                 SCR_CaptureVideo_RIFF_Pop();
1403                 // begin the actual video section now
1404                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1405                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1406                 // we're done with the headers now...
1407                 SCR_CaptureVideo_RIFF_Flush();
1408                 if (cls.capturevideo.riffstacklevel != 2)
1409                         Sys_Error("SCR_CaptureVideo_BeginVideo: broken AVI writing code (stack level is %i (should be 2) at end of headers)\n", cls.capturevideo.riffstacklevel);
1410         }
1411
1412         switch(cls.capturevideo.format)
1413         {
1414         case CAPTUREVIDEOFORMAT_AVI_I420:
1415                 break;
1416         default:
1417                 break;
1418         }
1419 }
1420
1421 void SCR_CaptureVideo_EndVideo(void)
1422 {
1423         if (!cls.capturevideo.active)
1424                 return;
1425         cls.capturevideo.active = false;
1426         if (cls.capturevideo.videofile)
1427         {
1428                 switch(cls.capturevideo.format)
1429                 {
1430                 case CAPTUREVIDEOFORMAT_AVI_I420:
1431                         // close any open chunks
1432                         SCR_CaptureVideo_RIFF_Finish(true);
1433                         // go back and fix the video frames and audio samples fields
1434                         Con_DPrintf("Finishing capture (%d frames, %d audio frames)\n", cls.capturevideo.frame, cls.capturevideo.soundsampleframe);
1435                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset1, SEEK_SET);
1436                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1437                         SCR_CaptureVideo_RIFF_Flush();
1438                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset2, SEEK_SET);
1439                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1440                         SCR_CaptureVideo_RIFF_Flush();
1441                         if (cls.capturevideo.soundrate)
1442                         {
1443                                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalsampleframes_offset, SEEK_SET);
1444                                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundsampleframe);
1445                                 SCR_CaptureVideo_RIFF_Flush();
1446                         }
1447                         break;
1448                 default:
1449                         break;
1450                 }
1451                 FS_Close(cls.capturevideo.videofile);
1452                 cls.capturevideo.videofile = NULL;
1453         }
1454
1455         if (cls.capturevideo.screenbuffer)
1456         {
1457                 Mem_Free (cls.capturevideo.screenbuffer);
1458                 cls.capturevideo.screenbuffer = NULL;
1459         }
1460
1461         if (cls.capturevideo.outbuffer)
1462         {
1463                 Mem_Free (cls.capturevideo.outbuffer);
1464                 cls.capturevideo.outbuffer = NULL;
1465         }
1466
1467         if (cls.capturevideo.riffindexbuffer.data)
1468         {
1469                 Mem_Free(cls.capturevideo.riffindexbuffer.data);
1470                 cls.capturevideo.riffindexbuffer.data = NULL;
1471         }
1472
1473         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1474 }
1475
1476 // 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
1477 void SCR_CaptureVideo_ConvertFrame_BGRA_to_I420_flip(int width, int height, unsigned char *instart, unsigned char *outstart)
1478 {
1479         int x, y;
1480         int blockr, blockg, blockb;
1481         int outoffset = (width/2)*(height/2);
1482         unsigned char *b, *out;
1483         // process one line at a time, and CbCr every other line at 2 pixel intervals
1484         for (y = 0;y < height;y++)
1485         {
1486                 // 1x1 Y
1487                 for (b = instart + (height-1-y)*width*4, out = outstart + y*width, x = 0;x < width;x++, b += 4, out++)
1488                 {
1489                         blockr = b[2];
1490                         blockg = b[1];
1491                         blockb = b[0];
1492                         *out = cls.capturevideo.yuvnormalizetable[0][cls.capturevideo.rgbtoyuvscaletable[0][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[0][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[0][2][blockb]];
1493                 }
1494                 if ((y & 1) == 0)
1495                 {
1496                         // 2x2 Cr and Cb planes
1497                         int inpitch = width*4;
1498                         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++)
1499                         {
1500                                 blockr = (b[2] + b[6] + b[inpitch+2] + b[inpitch+6]) >> 2;
1501                                 blockg = (b[1] + b[5] + b[inpitch+1] + b[inpitch+5]) >> 2;
1502                                 blockb = (b[0] + b[4] + b[inpitch+0] + b[inpitch+4]) >> 2;
1503                                 // Cr
1504                                 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];
1505                                 // Cb
1506                                 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];
1507                         }
1508                 }
1509         }
1510 }
1511
1512 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1513 {
1514         // TODO optimize this function
1515
1516         int x, y;
1517         float area;
1518
1519         // memcpy is faster than me
1520         if(inw == outw && inh == outh)
1521         {
1522                 memcpy(out, in, 4 * inw * inh);
1523                 return;
1524         }
1525
1526         // otherwise: a box filter
1527         area = (float)outw * (float)outh / (float)inw / (float)inh;
1528         for(y = 0; y < outh; ++y)
1529         {
1530                 float iny0 =  y    / (float)outh * inh; int iny0_i = floor(iny0);
1531                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = ceil(iny1);
1532                 for(x = 0; x < outw; ++x)
1533                 {
1534                         float inx0 =  x    / (float)outw * inw; int inx0_i = floor(inx0);
1535                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = ceil(inx1);
1536                         float r = 0, g = 0, b = 0, alpha = 0;
1537                         int xx, yy;
1538
1539                         for(yy = iny0_i; yy < iny1_i; ++yy)
1540                         {
1541                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1542                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1543                                 {
1544                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1545                                         r += a * in[4*(xx + inw * yy)+0];
1546                                         g += a * in[4*(xx + inw * yy)+1];
1547                                         b += a * in[4*(xx + inw * yy)+2];
1548                                         alpha += a * in[4*(xx + inw * yy)+3];
1549                                 }
1550                         }
1551
1552                         out[4*(x + outw * y)+0] = r * area;
1553                         out[4*(x + outw * y)+1] = g * area;
1554                         out[4*(x + outw * y)+2] = b * area;
1555                         out[4*(x + outw * y)+3] = alpha * area;
1556                 }
1557         }
1558 }
1559
1560 qboolean SCR_CaptureVideo_VideoFrame(int newframenum)
1561 {
1562         int x = 0, y = 0, width = cls.capturevideo.width, height = cls.capturevideo.height;
1563         unsigned char *in, *out;
1564         CHECKGLERROR
1565         //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);
1566         // speed is critical here, so do saving as directly as possible
1567         switch (cls.capturevideo.format)
1568         {
1569         case CAPTUREVIDEOFORMAT_AVI_I420:
1570                 // if there's no videofile we have to just give up, and abort saving
1571                 if (!cls.capturevideo.videofile)
1572                         return false;
1573                 // FIXME: width/height must be multiple of 2, enforce this?
1574                 qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1575                 SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1576                 in = cls.capturevideo.outbuffer;
1577                 out = cls.capturevideo.outbuffer + width*height*4;
1578                 SCR_CaptureVideo_ConvertFrame_BGRA_to_I420_flip(width, height, in, out);
1579                 x = width*height+(width/2)*(height/2)*2;
1580                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1581                 for (;cls.capturevideo.frame < newframenum;cls.capturevideo.frame++)
1582                 {
1583                         SCR_CaptureVideo_RIFF_IndexEntry("00dc", x, 0x10); // AVIIF_KEYFRAME
1584                         SCR_CaptureVideo_RIFF_Push("00dc", NULL);
1585                         SCR_CaptureVideo_RIFF_WriteBytes(out, x);
1586                         SCR_CaptureVideo_RIFF_Pop();
1587                 }
1588                 return true;
1589         default:
1590                 return false;
1591         }
1592 }
1593
1594 void SCR_CaptureVideo_SoundFrame(unsigned char *bufstereo16le, size_t length, int rate)
1595 {
1596         int x;
1597         cls.capturevideo.soundrate = rate;
1598         cls.capturevideo.soundsampleframe += length;
1599         switch (cls.capturevideo.format)
1600         {
1601         case CAPTUREVIDEOFORMAT_AVI_I420:
1602                 x = length*4;
1603                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1604                 SCR_CaptureVideo_RIFF_IndexEntry("01wb", x, 0x10); // AVIIF_KEYFRAME
1605                 SCR_CaptureVideo_RIFF_Push("01wb", NULL);
1606                 SCR_CaptureVideo_RIFF_WriteBytes(bufstereo16le, x);
1607                 SCR_CaptureVideo_RIFF_Pop();
1608                 break;
1609         default:
1610                 break;
1611         }
1612 }
1613
1614 void SCR_CaptureVideo(void)
1615 {
1616         int newframenum;
1617         if (cl_capturevideo.integer && r_render.integer)
1618         {
1619                 if (!cls.capturevideo.active)
1620                         SCR_CaptureVideo_BeginVideo();
1621                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value)
1622                 {
1623                         Con_Printf("You can not change the video framerate while recording a video.\n");
1624                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate);
1625                 }
1626                 // for AVI saving we have to make sure that sound is saved before video
1627                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1628                         return;
1629                 if (cls.capturevideo.realtime)
1630                 {
1631                         // preserve sound sync by duplicating frames when running slow
1632                         newframenum = (int)((realtime - cls.capturevideo.starttime) * cls.capturevideo.framerate);
1633                 }
1634                 else
1635                         newframenum = cls.capturevideo.frame + 1;
1636                 // if falling behind more than one second, stop
1637                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1638                 {
1639                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1640                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1641                         SCR_CaptureVideo_EndVideo();
1642                         return;
1643                 }
1644                 // write frames
1645                 SCR_CaptureVideo_VideoFrame(newframenum);
1646                 if (cls.capturevideo.error)
1647                 {
1648                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1649                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1650                         SCR_CaptureVideo_EndVideo();
1651                 }
1652         }
1653         else if (cls.capturevideo.active)
1654                 SCR_CaptureVideo_EndVideo();
1655 }
1656
1657 /*
1658 ===============
1659 R_Envmap_f
1660
1661 Grab six views for environment mapping tests
1662 ===============
1663 */
1664 struct envmapinfo_s
1665 {
1666         float angles[3];
1667         char *name;
1668         qboolean flipx, flipy, flipdiagonaly;
1669 }
1670 envmapinfo[12] =
1671 {
1672         {{  0,   0, 0}, "rt", false, false, false},
1673         {{  0, 270, 0}, "ft", false, false, false},
1674         {{  0, 180, 0}, "lf", false, false, false},
1675         {{  0,  90, 0}, "bk", false, false, false},
1676         {{-90, 180, 0}, "up",  true,  true, false},
1677         {{ 90, 180, 0}, "dn",  true,  true, false},
1678
1679         {{  0,   0, 0}, "px",  true,  true,  true},
1680         {{  0,  90, 0}, "py", false,  true, false},
1681         {{  0, 180, 0}, "nx", false, false,  true},
1682         {{  0, 270, 0}, "ny",  true, false, false},
1683         {{-90, 180, 0}, "pz", false, false,  true},
1684         {{ 90, 180, 0}, "nz", false, false,  true}
1685 };
1686
1687 static void R_Envmap_f (void)
1688 {
1689         int j, size;
1690         char filename[MAX_QPATH], basename[MAX_QPATH];
1691         unsigned char *buffer1;
1692         unsigned char *buffer2;
1693         unsigned char *buffer3;
1694
1695         if (Cmd_Argc() != 3)
1696         {
1697                 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");
1698                 return;
1699         }
1700
1701         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1702         size = atoi(Cmd_Argv(2));
1703         if (size != 128 && size != 256 && size != 512 && size != 1024)
1704         {
1705                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1706                 return;
1707         }
1708         if (size > vid.width || size > vid.height)
1709         {
1710                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1711                 return;
1712         }
1713
1714         r_refdef.envmap = true;
1715
1716         R_UpdateVariables();
1717
1718         r_refdef.view.x = 0;
1719         r_refdef.view.y = 0;
1720         r_refdef.view.z = 0;
1721         r_refdef.view.width = size;
1722         r_refdef.view.height = size;
1723         r_refdef.view.depth = 1;
1724         r_refdef.view.useperspective = true;
1725
1726         r_refdef.view.frustum_x = tan(90 * M_PI / 360.0);
1727         r_refdef.view.frustum_y = tan(90 * M_PI / 360.0);
1728
1729         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1730         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1731         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1732
1733         for (j = 0;j < 12;j++)
1734         {
1735                 sprintf(filename, "env/%s%s.tga", basename, envmapinfo[j].name);
1736                 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);
1737                 r_refdef.view.quality = 1;
1738                 r_refdef.view.clear = true;
1739                 R_Mesh_Start();
1740                 R_RenderView();
1741                 R_Mesh_Finish();
1742                 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);
1743         }
1744
1745         Mem_Free (buffer1);
1746         Mem_Free (buffer2);
1747         Mem_Free (buffer3);
1748
1749         r_refdef.envmap = false;
1750 }
1751
1752 //=============================================================================
1753
1754 void SHOWLMP_decodehide(void)
1755 {
1756         int i;
1757         char *lmplabel;
1758         lmplabel = MSG_ReadString();
1759         for (i = 0;i < cl.num_showlmps;i++)
1760                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1761                 {
1762                         cl.showlmps[i].isactive = false;
1763                         return;
1764                 }
1765 }
1766
1767 void SHOWLMP_decodeshow(void)
1768 {
1769         int k;
1770         char lmplabel[256], picname[256];
1771         float x, y;
1772         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1773         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1774         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1775         {
1776                 x = MSG_ReadByte();
1777                 y = MSG_ReadByte();
1778         }
1779         else
1780         {
1781                 x = MSG_ReadShort();
1782                 y = MSG_ReadShort();
1783         }
1784         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1785         {
1786                 showlmp_t *oldshowlmps = cl.showlmps;
1787                 cl.max_showlmps += 16;
1788                 cl.showlmps = Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1789                 if (cl.num_showlmps)
1790                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1791                 if (oldshowlmps)
1792                         Mem_Free(oldshowlmps);
1793         }
1794         for (k = 0;k < cl.max_showlmps;k++)
1795                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1796                         break;
1797         if (k == cl.max_showlmps)
1798                 for (k = 0;k < cl.max_showlmps;k++)
1799                         if (!cl.showlmps[k].isactive)
1800                                 break;
1801         cl.showlmps[k].isactive = true;
1802         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1803         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1804         cl.showlmps[k].x = x;
1805         cl.showlmps[k].y = y;
1806         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1807 }
1808
1809 void SHOWLMP_drawall(void)
1810 {
1811         int i;
1812         for (i = 0;i < cl.num_showlmps;i++)
1813                 if (cl.showlmps[i].isactive)
1814                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic (cl.showlmps[i].pic), 0, 0, 1, 1, 1, 1, 0);
1815 }
1816
1817 /*
1818 ==============================================================================
1819
1820                                                 SCREEN SHOTS
1821
1822 ==============================================================================
1823 */
1824
1825 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)
1826 {
1827         int     indices[3] = {0,1,2};
1828         qboolean ret;
1829
1830         if (!r_render.integer)
1831                 return false;
1832
1833         CHECKGLERROR
1834         qglReadPixels (x, y, width, height, jpeg ? GL_RGB : GL_BGR, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1835
1836         if (scr_screenshot_gammaboost.value != 1 && gammacorrect)
1837         {
1838                 int i;
1839                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1840                 unsigned char ramp[256];
1841                 for (i = 0;i < 256;i++)
1842                         ramp[i] = (unsigned char) (pow(i * (1.0 / 255.0), igamma) * 255.0);
1843                 for (i = 0;i < width*height*3;i++)
1844                         buffer1[i] = ramp[buffer1[i]];
1845         }
1846
1847         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1848
1849         if (jpeg)
1850                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1851         else
1852                 ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2, buffer3);
1853
1854         return ret;
1855 }
1856
1857 //=============================================================================
1858
1859 extern void R_UpdateFogColor(void);
1860 void R_ClearScreen(qboolean fogcolor)
1861 {
1862         // clear to black
1863         CHECKGLERROR
1864         if (fogcolor)
1865         {
1866                 R_UpdateFogColor();
1867                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1868         }
1869         else
1870         {
1871                 qglClearColor(0,0,0,0);CHECKGLERROR
1872         }
1873         qglClearDepth(1);CHECKGLERROR
1874         if (gl_stencil)
1875         {
1876                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1877                 // to avoid clamping interfering with strange shadow volume
1878                 // drawing orders
1879                 qglClearStencil(128);CHECKGLERROR
1880         }
1881         // clear the screen
1882         if (r_render.integer)
1883                 GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
1884         // set dithering mode
1885         if (gl_dither.integer)
1886         {
1887                 qglEnable(GL_DITHER);CHECKGLERROR
1888         }
1889         else
1890         {
1891                 qglDisable(GL_DITHER);CHECKGLERROR
1892         }
1893 }
1894
1895 qboolean CL_VM_UpdateView (void);
1896 void SCR_DrawConsole (void);
1897 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1898
1899 int r_stereo_side;
1900
1901 void SCR_DrawScreen (void)
1902 {
1903         R_Mesh_Start();
1904
1905         R_TimeReport_BeginFrame();
1906
1907         R_UpdateVariables();
1908
1909         // Quake uses clockwise winding, so these are swapped
1910         r_refdef.view.cullface_front = GL_BACK;
1911         r_refdef.view.cullface_back = GL_FRONT;
1912
1913         if (cls.signon == SIGNONS)
1914         {
1915                 float size;
1916
1917                 size = scr_viewsize.value * (1.0 / 100.0);
1918                 size = min(size, 1);
1919
1920                 if (r_stereo_sidebyside.integer)
1921                 {
1922                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1923                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1924                         r_refdef.view.depth = 1;
1925                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1926                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1927                         r_refdef.view.z = 0;
1928                         if (r_stereo_side)
1929                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1930                 }
1931                 else
1932                 {
1933                         r_refdef.view.width = (int)(vid.width * size);
1934                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1935                         r_refdef.view.depth = 1;
1936                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1937                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1938                         r_refdef.view.z = 0;
1939                 }
1940
1941                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1942                 // LordHavoc: this is designed to produce widescreen fov values
1943                 // when the screen is wider than 4/3 width/height aspect, to do
1944                 // this it simply assumes the requested fov is the vertical fov
1945                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1946                 // higher/lower according to the ratio
1947                 r_refdef.view.useperspective = true;
1948                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1949                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1950
1951                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1952                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1953
1954                 if(!CL_VM_UpdateView())
1955                         R_RenderView();
1956
1957                 if (scr_zoomwindow.integer)
1958                 {
1959                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1960                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1961                         r_refdef.view.width = (int)(vid.width * sizex);
1962                         r_refdef.view.height = (int)(vid.height * sizey);
1963                         r_refdef.view.depth = 1;
1964                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1965                         r_refdef.view.y = 0;
1966                         r_refdef.view.z = 0;
1967
1968                         r_refdef.view.useperspective = true;
1969                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1970                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1971
1972                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1973                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1974
1975                         if(!CL_VM_UpdateView())
1976                                 R_RenderView();
1977                 }
1978         }
1979
1980         if (!r_stereo_sidebyside.integer)
1981         {
1982                 r_refdef.view.width = vid.width;
1983                 r_refdef.view.height = vid.height;
1984                 r_refdef.view.depth = 1;
1985                 r_refdef.view.x = 0;
1986                 r_refdef.view.y = 0;
1987                 r_refdef.view.z = 0;
1988                 r_refdef.view.useperspective = false;
1989         }
1990
1991         // draw 2D stuff
1992         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1993                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1994                         Con_DrawNotify ();      // only draw notify in game
1995
1996         if (cls.signon == SIGNONS)
1997         {
1998                 SCR_DrawNet ();
1999                 SCR_DrawTurtle ();
2000                 SCR_DrawPause ();
2001                 if (!r_letterbox.value)
2002                         Sbar_Draw();
2003                 SHOWLMP_drawall();
2004                 SCR_CheckDrawCenterString();
2005         }
2006         SCR_DrawNetGraph ();
2007         MR_Draw();
2008         CL_DrawVideo();
2009         R_Shadow_EditLights_DrawSelectedLightProperties();
2010
2011         SCR_DrawConsole();
2012
2013         SCR_DrawBrand();
2014
2015         SCR_DrawDownload();
2016
2017         if (r_timereport_active)
2018                 R_TimeReport("2d");
2019
2020         if (cls.signon == SIGNONS)
2021                 R_TimeReport_EndFrame();
2022
2023         DrawQ_Finish();
2024
2025         R_DrawGamma();
2026
2027         R_Mesh_Finish();
2028 }
2029
2030 void SCR_UpdateLoadingScreen (qboolean clear)
2031 {
2032         float x, y;
2033         cachepic_t *pic;
2034         float vertex3f[12];
2035         float texcoord2f[8];
2036         // don't do anything if not initialized yet
2037         if (vid_hidden || !scr_refresh.integer)
2038                 return;
2039         CHECKGLERROR
2040         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2041         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2042         //qglDepthMask(1);CHECKGLERROR
2043         qglColorMask(1,1,1,1);CHECKGLERROR
2044         qglClearColor(0,0,0,0);CHECKGLERROR
2045         // when starting up a new video mode, make sure the screen is cleared to black
2046         if (clear)
2047         {
2048                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
2049         }
2050         //qglDisable(GL_CULL_FACE);CHECKGLERROR
2051         //R_ClearScreen();
2052         R_Textures_Frame();
2053         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
2054         R_Mesh_Start();
2055         R_Mesh_Matrix(&identitymatrix);
2056         // draw the loading plaque
2057         pic = Draw_CachePic ("gfx/loading");
2058         x = (vid_conwidth.integer - pic->width)/2;
2059         y = (vid_conheight.integer - pic->height)/2;
2060         GL_Color(1,1,1,1);
2061         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2062         GL_DepthRange(0, 1);
2063         GL_PolygonOffset(0, 0);
2064         GL_DepthTest(false);
2065         R_Mesh_VertexPointer(vertex3f, 0, 0);
2066         R_Mesh_ColorPointer(NULL, 0, 0);
2067         R_Mesh_ResetTextureState();
2068         R_Mesh_TexBind(0, R_GetTexture(pic->tex));
2069         R_Mesh_TexCoordPointer(0, 2, texcoord2f, 0, 0);
2070         R_SetupGenericShader(true);
2071         vertex3f[2] = vertex3f[5] = vertex3f[8] = vertex3f[11] = 0;
2072         vertex3f[0] = vertex3f[9] = x;
2073         vertex3f[1] = vertex3f[4] = y;
2074         vertex3f[3] = vertex3f[6] = x + pic->width;
2075         vertex3f[7] = vertex3f[10] = y + pic->height;
2076         texcoord2f[0] = 0;texcoord2f[1] = 0;
2077         texcoord2f[2] = 1;texcoord2f[3] = 0;
2078         texcoord2f[4] = 1;texcoord2f[5] = 1;
2079         texcoord2f[6] = 0;texcoord2f[7] = 1;
2080         if (vid.stereobuffer)
2081         {
2082                 qglDrawBuffer(GL_FRONT_LEFT);
2083                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2084                 qglDrawBuffer(GL_FRONT_RIGHT);
2085                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2086         }
2087         else
2088         {
2089                 qglDrawBuffer(GL_FRONT);
2090                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2091         }
2092         R_Mesh_Finish();
2093         // refresh
2094         // not necessary when rendering to GL_FRONT buffers
2095         //VID_Finish(false);
2096         // however this IS necessary on Windows Vista
2097         qglFinish();
2098 }
2099
2100 extern cvar_t cl_minfps;
2101 extern cvar_t cl_minfps_fade;
2102 extern cvar_t cl_minfps_qualitymax;
2103 extern cvar_t cl_minfps_qualitymin;
2104 extern cvar_t cl_minfps_qualitypower;
2105 extern cvar_t cl_minfps_qualityscale;
2106 static double cl_updatescreen_rendertime = 0;
2107 static double cl_updatescreen_quality = 1;
2108 void CL_UpdateScreen(void)
2109 {
2110         double rendertime1;
2111         float conwidth, conheight;
2112
2113         if(gamemode == GAME_NEXUIZ)
2114         {
2115                 // play a bit with the palette (experimental)
2116                 palette_rgb_pantscolormap[15][0] = 128 + 127 * sin(cl.time / exp(1) + 0*M_PI/3);
2117                 palette_rgb_pantscolormap[15][1] = 128 + 127 * sin(cl.time / exp(1) + 2*M_PI/3);
2118                 palette_rgb_pantscolormap[15][2] = 128 + 127 * sin(cl.time / exp(1) + 4*M_PI/3);
2119                 palette_rgb_shirtcolormap[15][0] = 128 + 127 * sin(cl.time /  M_PI  + 5*M_PI/3);
2120                 palette_rgb_shirtcolormap[15][1] = 128 + 127 * sin(cl.time /  M_PI  + 3*M_PI/3);
2121                 palette_rgb_shirtcolormap[15][2] = 128 + 127 * sin(cl.time /  M_PI  + 1*M_PI/3);
2122                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2123                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2124         }
2125
2126         if (vid_hidden || !scr_refresh.integer)
2127                 return;
2128
2129         if (!scr_initialized || !con_initialized)
2130                 return;                         // not initialized yet
2131
2132         rendertime1 = Sys_DoubleTime();
2133
2134         conwidth = bound(320, vid_conwidth.value, 2048);
2135         conheight = bound(200, vid_conheight.value, 1536);
2136         if (vid_conwidth.value != conwidth)
2137                 Cvar_SetValue("vid_conwidth", conwidth);
2138         if (vid_conheight.value != conheight)
2139                 Cvar_SetValue("vid_conheight", conheight);
2140
2141         // bound viewsize
2142         if (scr_viewsize.value < 30)
2143                 Cvar_Set ("viewsize","30");
2144         if (scr_viewsize.value > 120)
2145                 Cvar_Set ("viewsize","120");
2146
2147         // bound field of view
2148         if (scr_fov.value < 1)
2149                 Cvar_Set ("fov","1");
2150         if (scr_fov.value > 170)
2151                 Cvar_Set ("fov","170");
2152
2153         // validate r_textureunits cvar
2154         if (r_textureunits.integer > gl_textureunits)
2155                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
2156         if (r_textureunits.integer < 1)
2157                 Cvar_SetValueQuick(&r_textureunits, 1);
2158
2159         // validate gl_combine cvar
2160         if (gl_combine.integer && !gl_combine_extension)
2161                 Cvar_SetValueQuick(&gl_combine, 0);
2162
2163         // intermission is always full screen
2164         if (cl.intermission)
2165                 sb_lines = 0;
2166         else
2167         {
2168                 if (scr_viewsize.value >= 120)
2169                         sb_lines = 0;           // no status bar at all
2170                 else if (scr_viewsize.value >= 110)
2171                         sb_lines = 24;          // no inventory
2172                 else
2173                         sb_lines = 24+16+8;
2174         }
2175
2176         r_refdef.view.colormask[0] = 1;
2177         r_refdef.view.colormask[1] = 1;
2178         r_refdef.view.colormask[2] = 1;
2179
2180         SCR_SetUpToDrawConsole();
2181
2182         CHECKGLERROR
2183         qglDrawBuffer(GL_BACK);CHECKGLERROR
2184         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2185         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2186         qglDepthMask(1);CHECKGLERROR
2187         qglColorMask(1,1,1,1);CHECKGLERROR
2188         qglClearColor(0,0,0,0);CHECKGLERROR
2189         R_ClearScreen(false);
2190         r_refdef.view.clear = false;
2191         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);
2192
2193         if(scr_stipple.integer)
2194         {
2195                 GLubyte stipple[128];
2196                 int i, s, width, parts;
2197                 static int frame = 0;
2198                 ++frame;
2199
2200                 s = scr_stipple.integer;
2201                 parts = (s & 007);
2202                 width = (s & 070) >> 3;
2203
2204                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
2205                 for(i = 0; i < 128; ++i)
2206                 {
2207                         int line = i/4;
2208                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2209                 }
2210                 qglPolygonStipple(stipple);
2211         }
2212         else
2213                 qglDisable(GL_POLYGON_STIPPLE);
2214
2215         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
2216         {
2217                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2218                 matrix4x4_t offsetmatrix;
2219                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2220                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2221
2222                 if (r_stereo_sidebyside.integer)
2223                         r_stereo_side = 0;
2224
2225                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2226                 {
2227                         r_refdef.view.colormask[0] = 1;
2228                         r_refdef.view.colormask[1] = 0;
2229                         r_refdef.view.colormask[2] = 0;
2230                 }
2231
2232                 if (vid.stereobuffer)
2233                         qglDrawBuffer(GL_BACK_RIGHT);
2234
2235                 SCR_DrawScreen();
2236
2237                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2238                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2239
2240                 if (r_stereo_sidebyside.integer)
2241                         r_stereo_side = 1;
2242
2243                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2244                 {
2245                         r_refdef.view.colormask[0] = 0;
2246                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2247                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2248                 }
2249
2250                 if (vid.stereobuffer)
2251                         qglDrawBuffer(GL_BACK_LEFT);
2252
2253                 SCR_DrawScreen();
2254
2255                 r_refdef.view.matrix = originalmatrix;
2256         }
2257         else
2258                 SCR_DrawScreen();
2259
2260         SCR_CaptureVideo();
2261
2262         // quality adjustment according to render time
2263         qglFlush();
2264         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2265         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2266                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2267         else
2268                 cl_updatescreen_quality = 1;
2269
2270         VID_Finish(true);
2271 }
2272
2273 void CL_Screen_NewMap(void)
2274 {
2275 }