cl_screen.c

   1
   2 #include "quakedef.h"
   3 #include "cl_video.h"
   4 #include "image.h"
   5 #include "jpeg.h"
   6 #include "image_png.h"
   7 #include "cl_collision.h"
   8 #include "libcurl.h"
   9 #include "csprogs.h"
  10 #include "cap_avi.h"
  11 #include "cap_ogg.h"
  12
  13 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
  14 #include "snd_main.h"
  15
  16 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
  17 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
  18 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background"};
  19 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
  20 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
  21 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
  22 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
  23 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
  24 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
  25 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
  26 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
  27 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
  28 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
  29 cvar_t scr_loadingscreen_count = {0, "scr_loadingscreen_count","1", "number of loading screen files to use randomly (named loading.tga, loading2.tga, loading3.tga, ...)"};
  30 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
  31 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "a height loadingscreen progress bar"};
  32 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
  33 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
  34 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)"};
  35 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
  36 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
  37 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
  38 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
  39 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
  40 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
  41 // scr_screenshot_name is defined in fs.c
  42 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)"};
  43 cvar_t cl_capturevideo_printfps = {CVAR_SAVE, "cl_capturevideo_printfps", "1", "prints the frames per second captured in capturevideo (is only written to the log file, not to the console, as that would be visible on the video)"};
  44 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
  45 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
  46 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"};
  47 cvar_t cl_capturevideo_fps = {CVAR_SAVE, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
  48 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
  49 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
  50 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
  51 cvar_t cl_capturevideo_framestep = {CVAR_SAVE, "cl_capturevideo_framestep", "1", "when set to n >= 1, render n frames to capture one (useful for motion blur like effects)"};
  52 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)"};
  53 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)"};
  54 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)"};
  55 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)"};
  56 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"};
  57 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  58 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)"};
  59 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
  60 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
  61 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
  62 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
  63 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
  64 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  65 cvar_t scr_screenshot_name_in_mapdir = {CVAR_SAVE, "scr_screenshot_name_in_mapdir", "0", "if set to 1, screenshots are placed in a subdirectory named like the map they are from"};
  66 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)"};
  67 cvar_t cl_demo_mousegrab = {0, "cl_demo_mousegrab", "0", "Allows reading the mouse input while playing demos. Useful for camera mods developed in csqc. (0: never, 1: always)"};
  68 cvar_t timedemo_screenshotframelist = {0, "timedemo_screenshotframelist", "", "when performing a timedemo, take screenshots of each frame in this space-separated list - example: 1 201 401"};
  69
  70 extern cvar_t v_glslgamma;
  71 extern cvar_t sbar_info_pos;
  72 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
  73
  74 int jpeg_supported = false;
  75
  76 qboolean        scr_initialized;                // ready to draw
  77
  78 float           scr_con_current;
  79 int                     scr_con_margin_bottom;
  80
  81 extern int      con_vislines;
  82
  83 static void SCR_ScreenShot_f (void);
  84 static void R_Envmap_f (void);
  85
  86 // backend
  87 void R_ClearScreen(qboolean fogcolor);
  88
  89 /*
  90 ===============================================================================
  91
  92 CENTER PRINTING
  93
  94 ===============================================================================
  95 */
  96
  97 char            scr_centerstring[MAX_INPUTLINE];
  98 float           scr_centertime_start;   // for slow victory printing
  99 float           scr_centertime_off;
 100 int                     scr_center_lines;
 101 int                     scr_erase_lines;
 102 int                     scr_erase_center;
 103 char        scr_infobarstring[MAX_INPUTLINE];
 104 float       scr_infobartime_off;
 105
 106 /*
 107 ==============
 108 SCR_CenterPrint
 109
 110 Called for important messages that should stay in the center of the screen
 111 for a few moments
 112 ==============
 113 */
 114 void SCR_CenterPrint(const char *str)
 115 {
 116         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
 117         scr_centertime_off = scr_centertime.value;
 118         scr_centertime_start = cl.time;
 119
 120 // count the number of lines for centering
 121         scr_center_lines = 1;
 122         while (*str)
 123         {
 124                 if (*str == '\n')
 125                         scr_center_lines++;
 126                 str++;
 127         }
 128 }
 129
 130
 131 void SCR_DrawCenterString (void)
 132 {
 133         char    *start;
 134         int             x, y;
 135         int             remaining;
 136         int             color;
 137
 138         if(cl.intermission == 2) // in finale,
 139                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 140                         return;
 141
 142         if(scr_centertime.value <= 0 && !cl.intermission)
 143                 return;
 144
 145 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 146         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 147                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 148         else
 149                 remaining = 9999;
 150
 151         scr_erase_center = 0;
 152         start = scr_centerstring;
 153
 154         if (remaining < 1)
 155                 return;
 156
 157         if (scr_center_lines <= 4)
 158                 y = (int)(vid_conheight.integer*0.35);
 159         else
 160                 y = 48;
 161
 162         color = -1;
 163         do
 164         {
 165                 // scan the number of characters on the line, not counting color codes
 166                 char *newline = strchr(start, '\n');
 167                 int l = newline ? (newline - start) : (int)strlen(start);
 168                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
 169
 170                 x = (int) (vid_conwidth.integer - width)/2;
 171                 if (l > 0)
 172                 {
 173                         if (remaining < l)
 174                                 l = remaining;
 175                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 176                         remaining -= l;
 177                         if (remaining <= 0)
 178                                 return;
 179                 }
 180                 y += 8;
 181
 182                 if (!newline)
 183                         break;
 184                 start = newline + 1; // skip the \n
 185         } while (1);
 186 }
 187
 188 void SCR_CheckDrawCenterString (void)
 189 {
 190         if (scr_center_lines > scr_erase_lines)
 191                 scr_erase_lines = scr_center_lines;
 192
 193         if (cl.time > cl.oldtime)
 194                 scr_centertime_off -= cl.time - cl.oldtime;
 195
 196         // don't draw if this is a normal stats-screen intermission,
 197         // only if it is not an intermission, or a finale intermission
 198         if (cl.intermission == 1)
 199                 return;
 200         if (scr_centertime_off <= 0 && !cl.intermission)
 201                 return;
 202         if (key_dest != key_game)
 203                 return;
 204
 205         SCR_DrawCenterString ();
 206 }
 207
 208 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
 209 {
 210         netgraphitem_t *graph;
 211         int j, x, y;
 212         int totalbytes = 0;
 213         char bytesstring[128];
 214         float g[NETGRAPH_PACKETS][6];
 215         float *a;
 216         float *b;
 217         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
 218         // draw the bar graph itself
 219         // advance the packet counter because it is the latest packet column being
 220         // built up and should come last
 221         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 222         memset(g, 0, sizeof(g));
 223         for (j = 0;j < NETGRAPH_PACKETS;j++)
 224         {
 225                 graph = netgraph + j;
 226                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
 227                 g[j][1] = 1.0f;
 228                 g[j][2] = 1.0f;
 229                 g[j][3] = 1.0f;
 230                 g[j][4] = 1.0f;
 231                 g[j][5] = 1.0f;
 232                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
 233                         g[j][1] = 0.00f;
 234                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
 235                         g[j][2] = 0.96f;
 236                 else
 237                 {
 238                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
 239                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
 240                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
 241                         // count bytes in the last second
 242                         if (realtime - graph->time < 1.0f)
 243                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
 244                 }
 245                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
 246                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
 247                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
 248                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
 249                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
 250         }
 251         // render the lines for the graph
 252         for (j = 0;j < NETGRAPH_PACKETS;j++)
 253         {
 254                 a = g[j];
 255                 b = g[(j+1)%NETGRAPH_PACKETS];
 256                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
 257                         continue;
 258                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[2], graphx + graphwidth * b[0], graphy + graphheight * b[2], 1.0f, 1.0f, 0.0f, 1.0f, 0);
 259                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[1], graphx + graphwidth * b[0], graphy + graphheight * b[1], 1.0f, 0.0f, 0.0f, 1.0f, 0);
 260                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[5], graphx + graphwidth * b[0], graphy + graphheight * b[5], 0.0f, 1.0f, 0.0f, 1.0f, 0);
 261                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[4], graphx + graphwidth * b[0], graphy + graphheight * b[4], 1.0f, 1.0f, 1.0f, 1.0f, 0);
 262                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[3], graphx + graphwidth * b[0], graphy + graphheight * b[3], 1.0f, 0.5f, 0.0f, 1.0f, 0);
 263         }
 264         x = graphx;
 265         y = graphy + graphheight;
 266         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
 267         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 268         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 269 }
 270
 271 /*
 272 ==============
 273 SCR_DrawNetGraph
 274 ==============
 275 */
 276 void SCR_DrawNetGraph (void)
 277 {
 278         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 279         float graphscale;
 280         netconn_t *c;
 281
 282         if (cls.state != ca_connected)
 283                 return;
 284         if (!cls.netcon)
 285                 return;
 286         if (!shownetgraph.integer)
 287                 return;
 288
 289         separator1 = 2;
 290         separator2 = 4;
 291         textsize = 8;
 292         graphwidth = 120;
 293         graphheight = 70;
 294         graphscale = 1.0f / 1500.0f;
 295
 296         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
 297         netgraphsperrow = max(netgraphsperrow, 1);
 298
 299         index = 0;
 300         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 301         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 302         c = cls.netcon;
 303         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
 304         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 305         index++;
 306
 307         if (sv.active && shownetgraph.integer >= 2)
 308         {
 309                 for (i = 0;i < svs.maxclients;i++)
 310                 {
 311                         c = svs.clients[i].netconnection;
 312                         if (!c)
 313                                 continue;
 314                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 315                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 316                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 317                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
 318                         index++;
 319                 }
 320         }
 321 }
 322
 323 /*
 324 ==============
 325 SCR_DrawTurtle
 326 ==============
 327 */
 328 void SCR_DrawTurtle (void)
 329 {
 330         static int      count;
 331
 332         if (cls.state != ca_connected)
 333                 return;
 334
 335         if (!scr_showturtle.integer)
 336                 return;
 337
 338         if (cl.realframetime < 0.1)
 339         {
 340                 count = 0;
 341                 return;
 342         }
 343
 344         count++;
 345         if (count < 3)
 346                 return;
 347
 348         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
 349 }
 350
 351 /*
 352 ==============
 353 SCR_DrawNet
 354 ==============
 355 */
 356 void SCR_DrawNet (void)
 357 {
 358         if (cls.state != ca_connected)
 359                 return;
 360         if (realtime - cl.last_received_message < 0.3)
 361                 return;
 362         if (cls.demoplayback)
 363                 return;
 364
 365         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
 366 }
 367
 368 /*
 369 ==============
 370 DrawPause
 371 ==============
 372 */
 373 void SCR_DrawPause (void)
 374 {
 375         cachepic_t      *pic;
 376
 377         if (cls.state != ca_connected)
 378                 return;
 379
 380         if (!scr_showpause.integer)             // turn off for screenshots
 381                 return;
 382
 383         if (!cl.paused)
 384                 return;
 385
 386         pic = Draw_CachePic ("gfx/pause");
 387         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 388 }
 389
 390 /*
 391 ==============
 392 SCR_DrawBrand
 393 ==============
 394 */
 395 void SCR_DrawBrand (void)
 396 {
 397         cachepic_t      *pic;
 398         float           x, y;
 399
 400         if (!scr_showbrand.value)
 401                 return;
 402
 403         pic = Draw_CachePic ("gfx/brand");
 404
 405         switch ((int)scr_showbrand.value)
 406         {
 407         case 1: // bottom left
 408                 x = 0;
 409                 y = vid_conheight.integer - pic->height;
 410                 break;
 411         case 2: // bottom centre
 412                 x = (vid_conwidth.integer - pic->width) / 2;
 413                 y = vid_conheight.integer - pic->height;
 414                 break;
 415         case 3: // bottom right
 416                 x = vid_conwidth.integer - pic->width;
 417                 y = vid_conheight.integer - pic->height;
 418                 break;
 419         case 4: // centre right
 420                 x = vid_conwidth.integer - pic->width;
 421                 y = (vid_conheight.integer - pic->height) / 2;
 422                 break;
 423         case 5: // top right
 424                 x = vid_conwidth.integer - pic->width;
 425                 y = 0;
 426                 break;
 427         case 6: // top centre
 428                 x = (vid_conwidth.integer - pic->width) / 2;
 429                 y = 0;
 430                 break;
 431         case 7: // top left
 432                 x = 0;
 433                 y = 0;
 434                 break;
 435         case 8: // centre left
 436                 x = 0;
 437                 y = (vid_conheight.integer - pic->height) / 2;
 438                 break;
 439         default:
 440                 return;
 441         }
 442
 443         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 444 }
 445
 446 /*
 447 ==============
 448 SCR_DrawQWDownload
 449 ==============
 450 */
 451 static int SCR_DrawQWDownload(int offset)
 452 {
 453         // sync with SCR_InfobarHeight
 454         int len;
 455         float x, y;
 456         float size = 8;
 457         char temp[256];
 458
 459         if (!cls.qw_downloadname[0])
 460         {
 461                 cls.qw_downloadspeedrate = 0;
 462                 cls.qw_downloadspeedtime = realtime;
 463                 cls.qw_downloadspeedcount = 0;
 464                 return 0;
 465         }
 466         if (realtime >= cls.qw_downloadspeedtime + 1)
 467         {
 468                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 469                 cls.qw_downloadspeedtime = realtime;
 470                 cls.qw_downloadspeedcount = 0;
 471         }
 472         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 473                 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);
 474         else
 475                 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);
 476         len = (int)strlen(temp);
 477         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 478         y = vid_conheight.integer - size - offset;
 479         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 480         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 481         return 8;
 482 }
 483 /*
 484 ==============
 485 SCR_DrawInfobarString
 486 ==============
 487 */
 488 static int SCR_DrawInfobarString(int offset)
 489 {
 490         int len;
 491         float x, y;
 492         float size = 8;
 493
 494         len = (int)strlen(scr_infobarstring);
 495         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
 496         y = vid_conheight.integer - size - offset;
 497         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 498         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
 499         return 8;
 500 }
 501
 502 /*
 503 ==============
 504 SCR_DrawCurlDownload
 505 ==============
 506 */
 507 static int SCR_DrawCurlDownload(int offset)
 508 {
 509         // sync with SCR_InfobarHeight
 510         int len;
 511         int nDownloads;
 512         int i;
 513         float x, y;
 514         float size = 8;
 515         Curl_downloadinfo_t *downinfo;
 516         char temp[256];
 517         const char *addinfo;
 518
 519         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 520         if(!downinfo)
 521                 return 0;
 522
 523         y = vid_conheight.integer - size * nDownloads - offset;
 524
 525         if(addinfo)
 526         {
 527                 len = (int)strlen(addinfo);
 528                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
 529                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 530                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 531         }
 532
 533         for(i = 0; i != nDownloads; ++i)
 534         {
 535                 if(downinfo[i].queued)
 536                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
 537                 else if(downinfo[i].progress <= 0)
 538                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
 539                 else
 540                         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);
 541                 len = (int)strlen(temp);
 542                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 543                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 544                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 545         }
 546
 547         Z_Free(downinfo);
 548
 549         return 8 * (nDownloads + (addinfo ? 1 : 0));
 550 }
 551
 552 /*
 553 ==============
 554 SCR_DrawInfobar
 555 ==============
 556 */
 557 static void SCR_DrawInfobar(void)
 558 {
 559         int offset = 0;
 560         if(scr_infobartime_off > 0)
 561                 offset += SCR_DrawInfobarString(offset);
 562         offset += SCR_DrawQWDownload(offset);
 563         offset += SCR_DrawCurlDownload(offset);
 564         if(offset != scr_con_margin_bottom)
 565                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 566 }
 567
 568 static int SCR_InfobarHeight(void)
 569 {
 570         int offset = 0;
 571         Curl_downloadinfo_t *downinfo;
 572         const char *addinfo;
 573         int nDownloads;
 574
 575         if (cl.time > cl.oldtime)
 576                 scr_infobartime_off -= cl.time - cl.oldtime;
 577         if(scr_infobartime_off > 0)
 578                 offset += 8;
 579
 580         if(cls.qw_downloadname[0])
 581                 offset += 8;
 582
 583         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 584         if(downinfo)
 585         {
 586                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
 587                 Z_Free(downinfo);
 588         }
 589
 590         return offset;
 591 }
 592
 593 /*
 594 ==============
 595 SCR_InfoBar_f
 596 ==============
 597 */
 598 void SCR_InfoBar_f(void)
 599 {
 600         if(Cmd_Argc() == 3)
 601         {
 602                 scr_infobartime_off = atof(Cmd_Argv(1));
 603                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
 604         }
 605         else
 606         {
 607                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
 608         }
 609 }
 610 //=============================================================================
 611
 612 /*
 613 ==================
 614 SCR_SetUpToDrawConsole
 615 ==================
 616 */
 617 void SCR_SetUpToDrawConsole (void)
 618 {
 619         // lines of console to display
 620         float conlines;
 621         static int framecounter = 0;
 622
 623         Con_CheckResize ();
 624
 625         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 626         {
 627                 if (framecounter >= 2)
 628                         MR_ToggleMenu(1);
 629                 else
 630                         framecounter++;
 631         }
 632         else
 633                 framecounter = 0;
 634
 635         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 636                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 637         else
 638                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 639
 640 // decide on the height of the console
 641         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 642                 conlines = vid_conheight.integer/2;     // half screen
 643         else
 644                 conlines = 0;                           // none visible
 645
 646         scr_con_current = conlines;
 647 }
 648
 649 /*
 650 ==================
 651 SCR_DrawConsole
 652 ==================
 653 */
 654 void SCR_DrawConsole (void)
 655 {
 656         scr_con_margin_bottom = SCR_InfobarHeight();
 657         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 658         {
 659                 // full screen
 660                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 661         }
 662         else if (scr_con_current)
 663                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 664         else
 665                 con_vislines = 0;
 666 }
 667
 668 /*
 669 ===============
 670 SCR_BeginLoadingPlaque
 671
 672 ================
 673 */
 674 void SCR_BeginLoadingPlaque (void)
 675 {
 676         // save console log up to this point to log_file if it was set by configs
 677         Log_Start();
 678
 679         Host_StartVideo();
 680         SCR_UpdateLoadingScreen(false);
 681 }
 682
 683 //=============================================================================
 684
 685 char r_speeds_timestring[4096];
 686 int speedstringcount, r_timereport_active;
 687 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 688 int r_speeds_longestitem = 0;
 689
 690 void R_TimeReport(char *desc)
 691 {
 692         char tempbuf[256];
 693         int length;
 694         int t;
 695
 696         if (r_speeds.integer < 2 || !r_timereport_active)
 697                 return;
 698
 699         CHECKGLERROR
 700         if (r_speeds.integer == 2)
 701                 qglFinish();
 702         CHECKGLERROR
 703         r_timereport_temp = r_timereport_current;
 704         r_timereport_current = Sys_DoubleTime();
 705         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 706
 707         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
 708         length = min(length, (int)sizeof(tempbuf) - 1);
 709         if (r_speeds_longestitem < length)
 710                 r_speeds_longestitem = length;
 711         for (;length < r_speeds_longestitem;length++)
 712                 tempbuf[length] = ' ';
 713         tempbuf[length] = 0;
 714
 715         if (speedstringcount + length > (vid_conwidth.integer / 8))
 716         {
 717                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
 718                 speedstringcount = 0;
 719         }
 720         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
 721         speedstringcount += length;
 722 }
 723
 724 void R_TimeReport_BeginFrame(void)
 725 {
 726         speedstringcount = 0;
 727         r_speeds_timestring[0] = 0;
 728         r_timereport_active = false;
 729         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 730
 731         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
 732         {
 733                 r_timereport_active = true;
 734                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
 735         }
 736 }
 737
 738 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
 739 {
 740         int i, triangles = 0;
 741         for (i = 0;i < leaf->numleafsurfaces;i++)
 742                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
 743         return triangles;
 744 }
 745
 746 void R_TimeReport_EndFrame(void)
 747 {
 748         int i, j, lines, y;
 749         cl_locnode_t *loc;
 750         char string[1024+4096];
 751         mleaf_t *viewleaf;
 752
 753         string[0] = 0;
 754         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 755         {
 756                 // put the location name in the r_speeds display as it greatly helps
 757                 // when creating loc files
 758                 loc = CL_Locs_FindNearest(cl.movement_origin);
 759                 viewleaf = (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.PointInLeaf) ? r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, r_refdef.view.origin) : NULL;
 760                 dpsnprintf(string, sizeof(string),
 761 "%s%s\n"
 762 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
 763 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
 764 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
 765 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
 766 "%7i lightmap updates (%7i pixels)\n"
 767 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
 768 "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n"
 769 "%s"
 770 , loc ? "Location: " : "", loc ? loc->name : ""
 771 , 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]
 772 , viewleaf ? (int)(viewleaf - r_refdef.scene.worldmodel->brush.data_leafs) : -1, viewleaf ? viewleaf->clusterindex : -1, viewleaf ? viewleaf->areaindex : -1, viewleaf ? viewleaf->numleafbrushes : 0, viewleaf ? viewleaf->numleafsurfaces : 0, viewleaf ? R_CountLeafTriangles(r_refdef.scene.worldmodel, viewleaf) : 0
 773 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
 774 , r_refdef.stats.world_leafs, r_refdef.stats.world_portals, r_refdef.stats.particles, cl.num_particles, r_refdef.stats.drawndecals, r_refdef.stats.totaldecals, (int)(100 * r_refdef.view.quality)
 775 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
 776 , 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
 777 , r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
 778 , r_speeds_timestring);
 779
 780                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 781
 782                 speedstringcount = 0;
 783                 r_speeds_timestring[0] = 0;
 784                 r_timereport_active = false;
 785
 786                 if (r_speeds.integer >= 2)
 787                 {
 788                         r_timereport_active = true;
 789                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 790                 }
 791         }
 792
 793         if (string[0])
 794         {
 795                 if (string[strlen(string)-1] == '\n')
 796                         string[strlen(string)-1] = 0;
 797                 lines = 1;
 798                 for (i = 0;string[i];i++)
 799                         if (string[i] == '\n')
 800                                 lines++;
 801                 y = vid_conheight.integer - sb_lines - lines * 8;
 802                 i = j = 0;
 803                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 804                 while (string[i])
 805                 {
 806                         j = i;
 807                         while (string[i] && string[i] != '\n')
 808                                 i++;
 809                         if (i - j > 0)
 810                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
 811                         if (string[i] == '\n')
 812                                 i++;
 813                         y += 8;
 814                 }
 815         }
 816 }
 817
 818 /*
 819 =================
 820 SCR_SizeUp_f
 821
 822 Keybinding command
 823 =================
 824 */
 825 void SCR_SizeUp_f (void)
 826 {
 827         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 828 }
 829
 830
 831 /*
 832 =================
 833 SCR_SizeDown_f
 834
 835 Keybinding command
 836 =================
 837 */
 838 void SCR_SizeDown_f (void)
 839 {
 840         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 841 }
 842
 843 void SCR_CaptureVideo_EndVideo(void);
 844 void CL_Screen_Shutdown(void)
 845 {
 846         SCR_CaptureVideo_EndVideo();
 847 }
 848
 849 void CL_Screen_Init(void)
 850 {
 851         Cvar_RegisterVariable (&scr_fov);
 852         Cvar_RegisterVariable (&scr_viewsize);
 853         Cvar_RegisterVariable (&scr_conalpha);
 854         Cvar_RegisterVariable (&scr_conbrightness);
 855         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 856         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 857         Cvar_RegisterVariable (&scr_loadingscreen_background);
 858         Cvar_RegisterVariable (&scr_loadingscreen_count);
 859         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
 860         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
 861         Cvar_RegisterVariable (&scr_showram);
 862         Cvar_RegisterVariable (&scr_showturtle);
 863         Cvar_RegisterVariable (&scr_showpause);
 864         Cvar_RegisterVariable (&scr_showbrand);
 865         Cvar_RegisterVariable (&scr_centertime);
 866         Cvar_RegisterVariable (&scr_printspeed);
 867         Cvar_RegisterVariable (&vid_conwidth);
 868         Cvar_RegisterVariable (&vid_conheight);
 869         Cvar_RegisterVariable (&vid_pixelheight);
 870         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 871         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 872         Cvar_RegisterVariable (&scr_screenshot_png);
 873         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 874         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
 875         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
 876         Cvar_RegisterVariable (&scr_screenshot_alpha);
 877         Cvar_RegisterVariable (&cl_capturevideo);
 878         Cvar_RegisterVariable (&cl_capturevideo_printfps);
 879         Cvar_RegisterVariable (&cl_capturevideo_width);
 880         Cvar_RegisterVariable (&cl_capturevideo_height);
 881         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 882         Cvar_RegisterVariable (&cl_capturevideo_fps);
 883         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
 884         Cvar_RegisterVariable (&cl_capturevideo_number);
 885         Cvar_RegisterVariable (&cl_capturevideo_ogg);
 886         Cvar_RegisterVariable (&cl_capturevideo_framestep);
 887         Cvar_RegisterVariable (&r_letterbox);
 888         Cvar_RegisterVariable(&r_stereo_separation);
 889         Cvar_RegisterVariable(&r_stereo_sidebyside);
 890         Cvar_RegisterVariable(&r_stereo_redblue);
 891         Cvar_RegisterVariable(&r_stereo_redcyan);
 892         Cvar_RegisterVariable(&r_stereo_redgreen);
 893         Cvar_RegisterVariable(&r_stereo_angle);
 894         Cvar_RegisterVariable(&scr_zoomwindow);
 895         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 896         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 897         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 898         Cvar_RegisterVariable(&scr_stipple);
 899         Cvar_RegisterVariable(&scr_refresh);
 900         Cvar_RegisterVariable(&shownetgraph);
 901         Cvar_RegisterVariable(&cl_demo_mousegrab);
 902         Cvar_RegisterVariable(&timedemo_screenshotframelist);
 903
 904         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 905         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 906         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 907         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 908         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
 909
 910         SCR_CaptureVideo_Ogg_Init();
 911
 912         scr_initialized = true;
 913 }
 914
 915 /*
 916 ==================
 917 SCR_ScreenShot_f
 918 ==================
 919 */
 920 void SCR_ScreenShot_f (void)
 921 {
 922         static int shotnumber;
 923         static char old_prefix_name[MAX_QPATH];
 924         char prefix_name[MAX_QPATH];
 925         char filename[MAX_QPATH];
 926         unsigned char *buffer1;
 927         unsigned char *buffer2;
 928         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 929         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
 930
 931         if (Cmd_Argc() == 2)
 932         {
 933                 const char *ext;
 934                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
 935                 ext = FS_FileExtension(filename);
 936                 if (!strcasecmp(ext, "jpg"))
 937                 {
 938                         jpeg = true;
 939                         png = false;
 940                 }
 941                 else if (!strcasecmp(ext, "tga"))
 942                 {
 943                         jpeg = false;
 944                         png = false;
 945                 }
 946                 else if (!strcasecmp(ext, "png"))
 947                 {
 948                         jpeg = false;
 949                         png = true;
 950                 }
 951                 else
 952                 {
 953                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
 954                         return;
 955                 }
 956         }
 957         else
 958         {
 959                 // TODO maybe make capturevideo and screenshot use similar name patterns?
 960                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
 961                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
 962                 else
 963                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
 964
 965                 if (strcmp(old_prefix_name, prefix_name))
 966                 {
 967                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
 968                         shotnumber = 0;
 969                 }
 970
 971                 // find a file name to save it to
 972                 for (;shotnumber < 1000000;shotnumber++)
 973                         if (!FS_SysFileExists(va("%s/screenshots/%s%06d.tga", fs_gamedir, prefix_name, shotnumber)) && !FS_SysFileExists(va("%s/screenshots/%s%06d.jpg", fs_gamedir, prefix_name, shotnumber)) && !FS_SysFileExists(va("%s/screenshots/%s%06d.png", fs_gamedir, prefix_name, shotnumber)))
 974                                 break;
 975                 if (shotnumber >= 1000000)
 976                 {
 977                         Con_Print("Couldn't create the image file\n");
 978                         return;
 979                 }
 980
 981                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
 982         }
 983
 984         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
 985         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
 986
 987         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer))
 988                 Con_Printf("Wrote %s\n", filename);
 989         else
 990         {
 991                 Con_Printf("Unable to write %s\n", filename);
 992                 if(jpeg || png)
 993                 {
 994                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer))
 995                         {
 996                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
 997                                 Con_Printf("Wrote %s\n", filename);
 998                         }
 999                 }
1000         }
1001
1002         Mem_Free (buffer1);
1003         Mem_Free (buffer2);
1004
1005         shotnumber++;
1006 }
1007
1008 void SCR_CaptureVideo_BeginVideo(void)
1009 {
1010         double r, g, b;
1011         unsigned int i;
1012         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1013         if (cls.capturevideo.active)
1014                 return;
1015         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1016         // soundrate is figured out on the first SoundFrame
1017
1018         if(width == 0 && height != 0)
1019                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1020         if(width != 0 && height == 0)
1021                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1022
1023         if(width < 2 || width > vid.width) // can't scale up
1024                 width = vid.width;
1025         if(height < 2 || height > vid.height) // can't scale up
1026                 height = vid.height;
1027
1028         // ensure it's all even; if not, scale down a little
1029         if(width % 1)
1030                 --width;
1031         if(height % 1)
1032                 --height;
1033
1034         cls.capturevideo.width = width;
1035         cls.capturevideo.height = height;
1036         cls.capturevideo.active = true;
1037         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1038         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1039         cls.capturevideo.soundrate = S_GetSoundRate();
1040         cls.capturevideo.soundchannels = S_GetSoundChannels();
1041         cls.capturevideo.startrealtime = realtime;
1042         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1043         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1044         cls.capturevideo.soundsampleframe = 0;
1045         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1046         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1047         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1048         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1049         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1050
1051         /*
1052         for (i = 0;i < 256;i++)
1053         {
1054                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1055                 cls.capturevideo.rgbgammatable[0][i] = j;
1056                 cls.capturevideo.rgbgammatable[1][i] = j;
1057                 cls.capturevideo.rgbgammatable[2][i] = j;
1058         }
1059         */
1060 /*
1061 R = Y + 1.4075 * (Cr - 128);
1062 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1063 B = Y + 1.7790 * (Cb - 128);
1064 Y = R *  .299 + G *  .587 + B *  .114;
1065 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1066 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1067 */
1068
1069         if(WANT_SCREENSHOT_HWGAMMA)
1070         {
1071                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1072         }
1073         else
1074         {
1075                 // identity gamma table
1076                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1077                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1078                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1079         }
1080         if(scr_screenshot_gammaboost.value != 1)
1081         {
1082                 double igamma = 1 / scr_screenshot_gammaboost.value;
1083                 for (i = 0;i < 256 * 3;i++)
1084                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1085         }
1086
1087         for (i = 0;i < 256;i++)
1088         {
1089                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1090                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1091                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1092                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1093                 // Y weights from RGB
1094                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1095                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1096                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1097                 // Cb weights from RGB
1098                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1099                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1100                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1101                 // Cr weights from RGB
1102                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1103                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1104                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1105                 // range reduction of YCbCr to valid signal range
1106                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1107                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1108                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1109         }
1110
1111         if (cl_capturevideo_ogg.integer)
1112         {
1113                 if(SCR_CaptureVideo_Ogg_Available())
1114                 {
1115                         SCR_CaptureVideo_Ogg_BeginVideo();
1116                         return;
1117                 }
1118                 else
1119                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1120         }
1121
1122         SCR_CaptureVideo_Avi_BeginVideo();
1123 }
1124
1125 void SCR_CaptureVideo_EndVideo(void)
1126 {
1127         if (!cls.capturevideo.active)
1128                 return;
1129         cls.capturevideo.active = false;
1130
1131         Con_Printf("Finishing capture of %s.%s (%d frames, %d audio frames)\n", cls.capturevideo.basename, cls.capturevideo.formatextension, cls.capturevideo.frame, cls.capturevideo.soundsampleframe);
1132
1133         if (cls.capturevideo.videofile)
1134         {
1135                 cls.capturevideo.endvideo();
1136         }
1137
1138         if (cls.capturevideo.screenbuffer)
1139         {
1140                 Mem_Free (cls.capturevideo.screenbuffer);
1141                 cls.capturevideo.screenbuffer = NULL;
1142         }
1143
1144         if (cls.capturevideo.outbuffer)
1145         {
1146                 Mem_Free (cls.capturevideo.outbuffer);
1147                 cls.capturevideo.outbuffer = NULL;
1148         }
1149
1150         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1151 }
1152
1153 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1154 {
1155         // TODO optimize this function
1156
1157         int x, y;
1158         float area;
1159
1160         // memcpy is faster than me
1161         if(inw == outw && inh == outh)
1162         {
1163                 memcpy(out, in, 4 * inw * inh);
1164                 return;
1165         }
1166
1167         // otherwise: a box filter
1168         area = (float)outw * (float)outh / (float)inw / (float)inh;
1169         for(y = 0; y < outh; ++y)
1170         {
1171                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1172                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1173                 for(x = 0; x < outw; ++x)
1174                 {
1175                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1176                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1177                         float r = 0, g = 0, b = 0, alpha = 0;
1178                         int xx, yy;
1179
1180                         for(yy = iny0_i; yy < iny1_i; ++yy)
1181                         {
1182                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1183                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1184                                 {
1185                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1186                                         r += a * in[4*(xx + inw * yy)+0];
1187                                         g += a * in[4*(xx + inw * yy)+1];
1188                                         b += a * in[4*(xx + inw * yy)+2];
1189                                         alpha += a * in[4*(xx + inw * yy)+3];
1190                                 }
1191                         }
1192
1193                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1194                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1195                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1196                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1197                 }
1198         }
1199 }
1200
1201 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1202 {
1203         int x = 0, y = 0;
1204         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1205
1206         if(newframestepframenum == cls.capturevideo.framestepframe)
1207                 return;
1208
1209         CHECKGLERROR
1210         // speed is critical here, so do saving as directly as possible
1211
1212         qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1213         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1214
1215         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1216         cls.capturevideo.framestepframe = newframestepframenum;
1217
1218         if(cl_capturevideo_printfps.integer)
1219         {
1220                 char buf[80];
1221                 double t = Sys_DoubleTime();
1222                 if(t > cls.capturevideo.lastfpstime + 1)
1223                 {
1224                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1225                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1226                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1227                         Sys_PrintToTerminal(buf);
1228                         cls.capturevideo.lastfpstime = t;
1229                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1230                 }
1231         }
1232 }
1233
1234 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1235 {
1236         cls.capturevideo.soundsampleframe += length;
1237         cls.capturevideo.soundframe(paintbuffer, length);
1238 }
1239
1240 void SCR_CaptureVideo(void)
1241 {
1242         int newframenum;
1243         if (cl_capturevideo.integer)
1244         {
1245                 if (!cls.capturevideo.active)
1246                         SCR_CaptureVideo_BeginVideo();
1247                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1248                 {
1249                         Con_Printf("You can not change the video framerate while recording a video.\n");
1250                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1251                 }
1252                 // for AVI saving we have to make sure that sound is saved before video
1253                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1254                         return;
1255                 if (cls.capturevideo.realtime)
1256                 {
1257                         // preserve sound sync by duplicating frames when running slow
1258                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1259                 }
1260                 else
1261                         newframenum = cls.capturevideo.frame + 1;
1262                 // if falling behind more than one second, stop
1263                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1264                 {
1265                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1266                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1267                         SCR_CaptureVideo_EndVideo();
1268                         return;
1269                 }
1270                 // write frames
1271                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1272                 cls.capturevideo.frame = newframenum;
1273                 if (cls.capturevideo.error)
1274                 {
1275                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1276                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1277                         SCR_CaptureVideo_EndVideo();
1278                 }
1279         }
1280         else if (cls.capturevideo.active)
1281                 SCR_CaptureVideo_EndVideo();
1282 }
1283
1284 /*
1285 ===============
1286 R_Envmap_f
1287
1288 Grab six views for environment mapping tests
1289 ===============
1290 */
1291 struct envmapinfo_s
1292 {
1293         float angles[3];
1294         char *name;
1295         qboolean flipx, flipy, flipdiagonaly;
1296 }
1297 envmapinfo[12] =
1298 {
1299         {{  0,   0, 0}, "rt", false, false, false},
1300         {{  0, 270, 0}, "ft", false, false, false},
1301         {{  0, 180, 0}, "lf", false, false, false},
1302         {{  0,  90, 0}, "bk", false, false, false},
1303         {{-90, 180, 0}, "up",  true,  true, false},
1304         {{ 90, 180, 0}, "dn",  true,  true, false},
1305
1306         {{  0,   0, 0}, "px",  true,  true,  true},
1307         {{  0,  90, 0}, "py", false,  true, false},
1308         {{  0, 180, 0}, "nx", false, false,  true},
1309         {{  0, 270, 0}, "ny",  true, false, false},
1310         {{-90, 180, 0}, "pz", false, false,  true},
1311         {{ 90, 180, 0}, "nz", false, false,  true}
1312 };
1313
1314 static void R_Envmap_f (void)
1315 {
1316         int j, size;
1317         char filename[MAX_QPATH], basename[MAX_QPATH];
1318         unsigned char *buffer1;
1319         unsigned char *buffer2;
1320
1321         if (Cmd_Argc() != 3)
1322         {
1323                 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");
1324                 return;
1325         }
1326
1327         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1328         size = atoi(Cmd_Argv(2));
1329         if (size != 128 && size != 256 && size != 512 && size != 1024)
1330         {
1331                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1332                 return;
1333         }
1334         if (size > vid.width || size > vid.height)
1335         {
1336                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1337                 return;
1338         }
1339
1340         r_refdef.envmap = true;
1341
1342         R_UpdateVariables();
1343
1344         r_refdef.view.x = 0;
1345         r_refdef.view.y = 0;
1346         r_refdef.view.z = 0;
1347         r_refdef.view.width = size;
1348         r_refdef.view.height = size;
1349         r_refdef.view.depth = 1;
1350         r_refdef.view.useperspective = true;
1351         r_refdef.view.isoverlay = false;
1352
1353         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1354         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1355
1356         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1357         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1358
1359         for (j = 0;j < 12;j++)
1360         {
1361                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1362                 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);
1363                 r_refdef.view.quality = 1;
1364                 r_refdef.view.clear = true;
1365                 R_Mesh_Start();
1366                 R_RenderView();
1367                 R_Mesh_Finish();
1368                 SCR_ScreenShot(filename, buffer1, buffer2, 0, vid.height - (r_refdef.view.y + r_refdef.view.height), size, size, envmapinfo[j].flipx, envmapinfo[j].flipy, envmapinfo[j].flipdiagonaly, false, false, false, false);
1369         }
1370
1371         Mem_Free (buffer1);
1372         Mem_Free (buffer2);
1373
1374         r_refdef.envmap = false;
1375 }
1376
1377 //=============================================================================
1378
1379 void SHOWLMP_decodehide(void)
1380 {
1381         int i;
1382         char *lmplabel;
1383         lmplabel = MSG_ReadString();
1384         for (i = 0;i < cl.num_showlmps;i++)
1385                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1386                 {
1387                         cl.showlmps[i].isactive = false;
1388                         return;
1389                 }
1390 }
1391
1392 void SHOWLMP_decodeshow(void)
1393 {
1394         int k;
1395         char lmplabel[256], picname[256];
1396         float x, y;
1397         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1398         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1399         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1400         {
1401                 x = MSG_ReadByte();
1402                 y = MSG_ReadByte();
1403         }
1404         else
1405         {
1406                 x = MSG_ReadShort();
1407                 y = MSG_ReadShort();
1408         }
1409         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1410         {
1411                 showlmp_t *oldshowlmps = cl.showlmps;
1412                 cl.max_showlmps += 16;
1413                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1414                 if (cl.num_showlmps)
1415                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1416                 if (oldshowlmps)
1417                         Mem_Free(oldshowlmps);
1418         }
1419         for (k = 0;k < cl.max_showlmps;k++)
1420                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1421                         break;
1422         if (k == cl.max_showlmps)
1423                 for (k = 0;k < cl.max_showlmps;k++)
1424                         if (!cl.showlmps[k].isactive)
1425                                 break;
1426         cl.showlmps[k].isactive = true;
1427         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1428         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1429         cl.showlmps[k].x = x;
1430         cl.showlmps[k].y = y;
1431         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1432 }
1433
1434 void SHOWLMP_drawall(void)
1435 {
1436         int i;
1437         for (i = 0;i < cl.num_showlmps;i++)
1438                 if (cl.showlmps[i].isactive)
1439                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic (cl.showlmps[i].pic), 0, 0, 1, 1, 1, 1, 0);
1440 }
1441
1442 /*
1443 ==============================================================================
1444
1445                                                 SCREEN SHOTS
1446
1447 ==============================================================================
1448 */
1449
1450 // buffer1: 4*w*h
1451 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1452 qboolean SCR_ScreenShot(char *filename, unsigned char *buffer1, unsigned char *buffer2, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg, qboolean png, qboolean gammacorrect, qboolean keep_alpha)
1453 {
1454         int     indices[4] = {0,1,2,3}; // BGRA
1455         qboolean ret;
1456
1457         CHECKGLERROR
1458         qglReadPixels (x, y, width, height, GL_BGRA, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1459
1460         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1461         {
1462                 int i;
1463                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1464                 unsigned short vidramp[256 * 3];
1465                 if(WANT_SCREENSHOT_HWGAMMA)
1466                 {
1467                         VID_BuildGammaTables(&vidramp[0], 256);
1468                 }
1469                 else
1470                 {
1471                         // identity gamma table
1472                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1473                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1474                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1475                 }
1476                 if(scr_screenshot_gammaboost.value != 1)
1477                 {
1478                         for (i = 0;i < 256 * 3;i++)
1479                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1480                 }
1481                 for (i = 0;i < width*height*4;i += 4)
1482                 {
1483                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1484                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1485                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1486                         // A
1487                 }
1488         }
1489
1490         if(keep_alpha && !jpeg)
1491         {
1492                 if(!png)
1493                         flipy = !flipy; // TGA: not preflipped
1494                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1495                 if (png)
1496                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1497                 else
1498                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1499         }
1500         else
1501         {
1502                 if(jpeg)
1503                 {
1504                         indices[0] = 2;
1505                         indices[2] = 0; // RGB
1506                 }
1507                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1508                 if (jpeg)
1509                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1510                 else if (png)
1511                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1512                 else
1513                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1514         }
1515
1516         return ret;
1517 }
1518
1519 //=============================================================================
1520
1521 extern void R_UpdateFogColor(void);
1522 void R_ClearScreen(qboolean fogcolor)
1523 {
1524         // clear to black
1525         CHECKGLERROR
1526         if (fogcolor)
1527         {
1528                 R_UpdateFogColor();
1529                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1530         }
1531         else
1532         {
1533                 qglClearColor(0,0,0,0);CHECKGLERROR
1534         }
1535         qglClearDepth(1);CHECKGLERROR
1536         if (vid.stencil)
1537         {
1538                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1539                 // to avoid clamping interfering with strange shadow volume
1540                 // drawing orders
1541                 qglClearStencil(128);CHECKGLERROR
1542         }
1543         // clear the screen
1544         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0));
1545         // set dithering mode
1546         if (gl_dither.integer)
1547         {
1548                 qglEnable(GL_DITHER);CHECKGLERROR
1549         }
1550         else
1551         {
1552                 qglDisable(GL_DITHER);CHECKGLERROR
1553         }
1554 }
1555
1556 qboolean CL_VM_UpdateView (void);
1557 void SCR_DrawConsole (void);
1558 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1559
1560 int r_stereo_side;
1561
1562 extern void Sbar_ShowFPS(void);
1563 void SCR_DrawScreen (void)
1564 {
1565         Draw_Frame();
1566
1567         R_Mesh_Start();
1568
1569         R_UpdateVariables();
1570
1571         // Quake uses clockwise winding, so these are swapped
1572         r_refdef.view.cullface_front = GL_BACK;
1573         r_refdef.view.cullface_back = GL_FRONT;
1574
1575         if (cls.signon == SIGNONS)
1576         {
1577                 float size;
1578
1579                 size = scr_viewsize.value * (1.0 / 100.0);
1580                 size = min(size, 1);
1581
1582                 if (r_stereo_sidebyside.integer)
1583                 {
1584                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1585                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1586                         r_refdef.view.depth = 1;
1587                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1588                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1589                         r_refdef.view.z = 0;
1590                         if (r_stereo_side)
1591                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1592                 }
1593                 else
1594                 {
1595                         r_refdef.view.width = (int)(vid.width * size);
1596                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1597                         r_refdef.view.depth = 1;
1598                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1599                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1600                         r_refdef.view.z = 0;
1601                 }
1602
1603                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1604                 // LordHavoc: this is designed to produce widescreen fov values
1605                 // when the screen is wider than 4/3 width/height aspect, to do
1606                 // this it simply assumes the requested fov is the vertical fov
1607                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1608                 // higher/lower according to the ratio
1609                 r_refdef.view.useperspective = true;
1610                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1611                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1612
1613                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1614                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1615
1616                 if(!CL_VM_UpdateView())
1617                         R_RenderView();
1618
1619                 if (scr_zoomwindow.integer)
1620                 {
1621                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1622                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1623                         r_refdef.view.width = (int)(vid.width * sizex);
1624                         r_refdef.view.height = (int)(vid.height * sizey);
1625                         r_refdef.view.depth = 1;
1626                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1627                         r_refdef.view.y = 0;
1628                         r_refdef.view.z = 0;
1629
1630                         r_refdef.view.useperspective = true;
1631                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1632                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1633
1634                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1635                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1636
1637                         if(!CL_VM_UpdateView())
1638                                 R_RenderView();
1639                 }
1640         }
1641
1642         if (!r_stereo_sidebyside.integer)
1643         {
1644                 r_refdef.view.width = vid.width;
1645                 r_refdef.view.height = vid.height;
1646                 r_refdef.view.depth = 1;
1647                 r_refdef.view.x = 0;
1648                 r_refdef.view.y = 0;
1649                 r_refdef.view.z = 0;
1650                 r_refdef.view.useperspective = false;
1651         }
1652
1653         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1654         {
1655                 const char *t;
1656                 int framenum;
1657                 t = timedemo_screenshotframelist.string;
1658                 while (*t)
1659                 {
1660                         while (*t == ' ')
1661                                 t++;
1662                         if (!*t)
1663                                 break;
1664                         framenum = atof(t);
1665                         if (framenum == cls.td_frames)
1666                                 break;
1667                         while (*t && *t != ' ')
1668                                 t++;
1669                 }
1670                 if (*t)
1671                 {
1672                         // we need to take a screenshot of this frame...
1673                         char filename[MAX_QPATH];
1674                         unsigned char *buffer1;
1675                         unsigned char *buffer2;
1676                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1677                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1678                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1679                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1680                         Mem_Free(buffer1);
1681                         Mem_Free(buffer2);
1682                 }
1683         }
1684
1685         // draw 2D stuff
1686         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1687                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1688                         Con_DrawNotify ();      // only draw notify in game
1689
1690         if (cls.signon == SIGNONS)
1691         {
1692                 SCR_DrawNet ();
1693                 SCR_DrawTurtle ();
1694                 SCR_DrawPause ();
1695                 if (!r_letterbox.value)
1696                         Sbar_Draw();
1697                 Sbar_ShowFPS();
1698                 SHOWLMP_drawall();
1699                 SCR_CheckDrawCenterString();
1700         }
1701         SCR_DrawNetGraph ();
1702         MR_Draw();
1703         CL_DrawVideo();
1704         R_Shadow_EditLights_DrawSelectedLightProperties();
1705
1706         SCR_DrawConsole();
1707
1708         SCR_DrawBrand();
1709
1710         SCR_DrawInfobar();
1711
1712         if (r_timereport_active)
1713                 R_TimeReport("2d");
1714
1715         if (cls.signon == SIGNONS)
1716         {
1717                 R_TimeReport_EndFrame();
1718                 R_TimeReport_BeginFrame();
1719         }
1720
1721         DrawQ_Finish();
1722
1723         R_DrawGamma();
1724
1725         R_Mesh_Finish();
1726 }
1727
1728 typedef struct loadingscreenstack_s
1729 {
1730         struct loadingscreenstack_s *prev;
1731         char msg[MAX_QPATH];
1732         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1733         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1734         float relative_completion; // 0 .. 1
1735 }
1736 loadingscreenstack_t;
1737 static loadingscreenstack_t *loadingscreenstack = NULL;
1738 static double loadingscreentime = -1;
1739 static qboolean loadingscreencleared = false;
1740 static float loadingscreenheight = 0;
1741 rtexture_t *loadingscreentexture = NULL;
1742 static float loadingscreentexture_vertex3f[12];
1743 static float loadingscreentexture_texcoord2f[8];
1744 static int loadingscreenpic_number = 0;
1745
1746 static void SCR_ClearLoadingScreenTexture(void)
1747 {
1748         if(loadingscreentexture)
1749                 R_FreeTexture(loadingscreentexture);
1750         loadingscreentexture = NULL;
1751 }
1752
1753 extern rtexturepool_t *r_main_texturepool;
1754 static void SCR_SetLoadingScreenTexture(void)
1755 {
1756         int w, h;
1757         float loadingscreentexture_w;
1758         float loadingscreentexture_h;
1759
1760         SCR_ClearLoadingScreenTexture();
1761
1762         if (vid.support.arb_texture_non_power_of_two)
1763         {
1764                 w = vid.width; h = vid.height;
1765                 loadingscreentexture_w = loadingscreentexture_h = 1;
1766         }
1767         else
1768         {
1769                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1770                 loadingscreentexture_w = vid.width / (float) w;
1771                 loadingscreentexture_h = vid.height / (float) h;
1772         }
1773
1774         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_FORCENEAREST | TEXF_CLAMP, NULL);
1775         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1776
1777         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1778         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1779         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1780         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1781         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1782         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1783         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1784         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1785         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1786 }
1787
1788 void SCR_UpdateLoadingScreenIfShown(void)
1789 {
1790         if(realtime == loadingscreentime)
1791                 SCR_UpdateLoadingScreen(loadingscreencleared);
1792 }
1793
1794 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1795 {
1796         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1797         s->prev = loadingscreenstack;
1798         loadingscreenstack = s;
1799
1800         strlcpy(s->msg, msg, sizeof(s->msg));
1801         s->relative_completion = 0;
1802
1803         if(s->prev)
1804         {
1805                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1806                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1807                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1808                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1809         }
1810         else
1811         {
1812                 s->absolute_loading_amount_min = 0;
1813                 s->absolute_loading_amount_len = 1;
1814         }
1815
1816         if(redraw)
1817                 SCR_UpdateLoadingScreenIfShown();
1818 }
1819
1820 void SCR_PopLoadingScreen (qboolean redraw)
1821 {
1822         loadingscreenstack_t *s = loadingscreenstack;
1823
1824         if(!s)
1825         {
1826                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1827                 return;
1828         }
1829
1830         loadingscreenstack = s->prev;
1831         if(s->prev)
1832                 s->prev->relative_completion = (s->absolute_loading_amount_min + s->absolute_loading_amount_len - s->prev->absolute_loading_amount_min) / s->prev->absolute_loading_amount_len;
1833         Z_Free(s);
1834
1835         if(redraw)
1836                 SCR_UpdateLoadingScreenIfShown();
1837 }
1838
1839 void SCR_ClearLoadingScreen (qboolean redraw)
1840 {
1841         while(loadingscreenstack)
1842                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1843 }
1844
1845 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1846 {
1847         float x;
1848         size_t len;
1849         float total;
1850
1851         total = 0;
1852 #if 0
1853         if(s)
1854         {
1855                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1856                 y -= total;
1857                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1858                 {
1859                         len = strlen(s->msg);
1860                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1861                         y -= size;
1862                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1863                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1864                         total += size;
1865                 }
1866         }
1867 #else
1868         if(s)
1869         {
1870                 len = strlen(s->msg);
1871                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1872                 y -= size;
1873                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1874                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1875                 total += size;
1876         }
1877 #endif
1878         return total;
1879 }
1880
1881 static void SCR_DrawLoadingStack(void)
1882 {
1883         float verts[12];
1884         float colors[16];
1885
1886         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1887         if(loadingscreenstack)
1888         {
1889                 // height = 32; // sorry, using the actual one is ugly
1890                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1891                 GL_DepthRange(0, 1);
1892                 GL_PolygonOffset(0, 0);
1893                 GL_DepthTest(false);
1894                 R_Mesh_VertexPointer(verts, 0, 0);
1895                 R_Mesh_ColorPointer(colors, 0, 0);
1896                 R_Mesh_ResetTextureState();
1897                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1898                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1899                 verts[0] = verts[9] = 0;
1900                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1901                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1902                 verts[7] = verts[10] = vid_conheight.integer;
1903
1904 #if _MSC_VER >= 1400
1905 #define sscanf sscanf_s
1906 #endif
1907                 //                                        ^^^^^^^^^^ blue component
1908                 //                              ^^^^^^ bottom row
1909                 //          ^^^^^^^^^^^^ alpha is always on
1910                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
1911                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
1912                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
1913                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
1914
1915                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1916
1917                 // make sure everything is cleared, including the progress indicator
1918                 if(loadingscreenheight < 8)
1919                         loadingscreenheight = 8;
1920         }
1921 }
1922
1923 static cachepic_t *loadingscreenpic;
1924 static float loadingscreenpic_vertex3f[12];
1925 static float loadingscreenpic_texcoord2f[8];
1926
1927 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
1928 {
1929         r_viewport_t viewport;
1930         float x, y;
1931         // release mouse grab while loading
1932         if (!vid.fullscreen)
1933                 VID_SetMouse(false, false, false);
1934         CHECKGLERROR
1935         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
1936         R_SetViewport(&viewport);
1937         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1938         //qglDepthMask(1);CHECKGLERROR
1939         qglColorMask(1,1,1,1);CHECKGLERROR
1940         qglClearColor(0,0,0,0);CHECKGLERROR
1941         // when starting up a new video mode, make sure the screen is cleared to black
1942         if (clear)
1943                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1944         R_Textures_Frame();
1945         R_Mesh_Start();
1946         R_EntityMatrix(&identitymatrix);
1947         // draw the loading plaque
1948         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
1949         x = (vid_conwidth.integer - loadingscreenpic->width)/2;
1950         y = (vid_conheight.integer - loadingscreenpic->height)/2;
1951         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
1952         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
1953         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
1954         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + loadingscreenpic->width;
1955         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + loadingscreenpic->height;
1956         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
1957         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
1958         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
1959         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
1960 }
1961
1962 static void SCR_DrawLoadingScreen (qboolean clear)
1963 {
1964         // we only need to draw the image if it isn't already there
1965         GL_Color(1,1,1,1);
1966         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1967         GL_DepthRange(0, 1);
1968         GL_PolygonOffset(0, 0);
1969         GL_DepthTest(false);
1970         R_Mesh_ColorPointer(NULL, 0, 0);
1971         if(loadingscreentexture)
1972         {
1973                 R_Mesh_VertexPointer(loadingscreentexture_vertex3f, 0, 0);
1974                 R_Mesh_ResetTextureState();
1975                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
1976                 R_Mesh_TexCoordPointer(0, 2, loadingscreentexture_texcoord2f, 0, 0);
1977                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1978         }
1979         R_Mesh_VertexPointer(loadingscreenpic_vertex3f, 0, 0);
1980         R_Mesh_ResetTextureState();
1981         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
1982         R_Mesh_TexCoordPointer(0, 2, loadingscreenpic_texcoord2f, 0, 0);
1983         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1984         SCR_DrawLoadingStack();
1985 }
1986
1987 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
1988 {
1989         R_Mesh_Finish();
1990         // refresh
1991         VID_Finish();
1992         // however this IS necessary on Windows Vista
1993         qglFinish();
1994 }
1995
1996 void SCR_UpdateLoadingScreen (qboolean clear)
1997 {
1998         keydest_t       old_key_dest;
1999         int                     old_key_consoleactive;
2000
2001         // don't do anything if not initialized yet
2002         if (vid_hidden || cls.state == ca_dedicated)
2003                 return;
2004
2005         if(!scr_loadingscreen_background.integer)
2006                 clear = true;
2007
2008         if(loadingscreentime == realtime)
2009                 clear |= loadingscreencleared;
2010
2011         if(loadingscreentime != realtime)
2012                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2013
2014         if(clear)
2015                 SCR_ClearLoadingScreenTexture();
2016         else if(loadingscreentime != realtime)
2017                 SCR_SetLoadingScreenTexture();
2018
2019         if(loadingscreentime != realtime)
2020         {
2021                 loadingscreentime = realtime;
2022                 loadingscreenheight = 0;
2023         }
2024         loadingscreencleared = clear;
2025
2026         SCR_DrawLoadingScreen_SharedSetup(clear);
2027         if (vid.stereobuffer)
2028         {
2029                 qglDrawBuffer(GL_BACK_LEFT);
2030                 SCR_DrawLoadingScreen(clear);
2031                 qglDrawBuffer(GL_BACK_RIGHT);
2032                 SCR_DrawLoadingScreen(clear);
2033         }
2034         else
2035         {
2036                 qglDrawBuffer(GL_BACK);
2037                 SCR_DrawLoadingScreen(clear);
2038         }
2039         SCR_DrawLoadingScreen_SharedFinish(clear);
2040
2041         // this goes into the event loop, and should prevent unresponsive cursor on vista
2042         old_key_dest = key_dest;
2043         old_key_consoleactive = key_consoleactive;
2044         key_dest = key_void;
2045         key_consoleactive = false;
2046         Key_EventQueue_Block(); Sys_SendKeyEvents();
2047         key_dest = old_key_dest;
2048         key_consoleactive = old_key_consoleactive;
2049 }
2050
2051 qboolean R_Stereo_ColorMasking(void)
2052 {
2053         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2054 }
2055
2056 qboolean R_Stereo_Active(void)
2057 {
2058         return (vid.stereobuffer || r_stereo_sidebyside.integer || R_Stereo_ColorMasking());
2059 }
2060
2061 extern cvar_t cl_minfps;
2062 extern cvar_t cl_minfps_fade;
2063 extern cvar_t cl_minfps_qualitymax;
2064 extern cvar_t cl_minfps_qualitymin;
2065 extern cvar_t cl_minfps_qualitypower;
2066 extern cvar_t cl_minfps_qualityscale;
2067 static double cl_updatescreen_rendertime = 0;
2068 static double cl_updatescreen_quality = 1;
2069 extern void Sbar_ShowFPS_Update(void);
2070 void CL_UpdateScreen(void)
2071 {
2072         double rendertime1;
2073         float conwidth, conheight;
2074         float f;
2075
2076         Sbar_ShowFPS_Update();
2077
2078         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2079                 return;                         // not initialized yet
2080
2081         if(gamemode == GAME_NEXUIZ)
2082         {
2083                 // play a bit with the palette (experimental)
2084                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2085                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2086                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2087                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2088                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2089                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2090                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2091                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2092         }
2093
2094         if (vid_hidden)
2095                 return;
2096
2097         rendertime1 = Sys_DoubleTime();
2098
2099         conwidth = bound(160, vid_conwidth.value, 32768);
2100         conheight = bound(90, vid_conheight.value, 24576);
2101         if (vid_conwidth.value != conwidth)
2102                 Cvar_SetValue("vid_conwidth", conwidth);
2103         if (vid_conheight.value != conheight)
2104                 Cvar_SetValue("vid_conheight", conheight);
2105
2106         // bound viewsize
2107         if (scr_viewsize.value < 30)
2108                 Cvar_Set ("viewsize","30");
2109         if (scr_viewsize.value > 120)
2110                 Cvar_Set ("viewsize","120");
2111
2112         // bound field of view
2113         if (scr_fov.value < 1)
2114                 Cvar_Set ("fov","1");
2115         if (scr_fov.value > 170)
2116                 Cvar_Set ("fov","170");
2117
2118         // intermission is always full screen
2119         if (cl.intermission)
2120                 sb_lines = 0;
2121         else
2122         {
2123                 if (scr_viewsize.value >= 120)
2124                         sb_lines = 0;           // no status bar at all
2125                 else if (scr_viewsize.value >= 110)
2126                         sb_lines = 24;          // no inventory
2127                 else
2128                         sb_lines = 24+16+8;
2129         }
2130
2131         r_refdef.view.colormask[0] = 1;
2132         r_refdef.view.colormask[1] = 1;
2133         r_refdef.view.colormask[2] = 1;
2134
2135         SCR_SetUpToDrawConsole();
2136
2137         CHECKGLERROR
2138         qglDrawBuffer(GL_BACK);CHECKGLERROR
2139         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2140         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2141         qglDepthMask(1);CHECKGLERROR
2142         qglColorMask(1,1,1,1);CHECKGLERROR
2143         qglClearColor(0,0,0,0);CHECKGLERROR
2144         R_ClearScreen(false);
2145         r_refdef.view.clear = false;
2146         r_refdef.view.isoverlay = false;
2147         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2148         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2149
2150         if (qglPolygonStipple)
2151         {
2152                 if(scr_stipple.integer)
2153                 {
2154                         GLubyte stipple[128];
2155                         int i, s, width, parts;
2156                         static int frame = 0;
2157                         ++frame;
2158
2159                         s = scr_stipple.integer;
2160                         parts = (s & 007);
2161                         width = (s & 070) >> 3;
2162
2163                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2164                         for(i = 0; i < 128; ++i)
2165                         {
2166                                 int line = i/4;
2167                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2168                         }
2169                         qglPolygonStipple(stipple);CHECKGLERROR
2170                 }
2171                 else
2172                 {
2173                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2174                 }
2175         }
2176
2177         CHECKGLERROR
2178         if (R_Stereo_Active())
2179         {
2180                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2181                 matrix4x4_t offsetmatrix;
2182                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2183                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2184
2185                 if (r_stereo_sidebyside.integer)
2186                         r_stereo_side = 0;
2187
2188                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2189                 {
2190                         r_refdef.view.colormask[0] = 1;
2191                         r_refdef.view.colormask[1] = 0;
2192                         r_refdef.view.colormask[2] = 0;
2193                 }
2194
2195                 if (vid.stereobuffer)
2196                         qglDrawBuffer(GL_BACK_RIGHT);
2197
2198                 SCR_DrawScreen();
2199
2200                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2201                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2202
2203                 if (r_stereo_sidebyside.integer)
2204                         r_stereo_side = 1;
2205
2206                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2207                 {
2208                         r_refdef.view.colormask[0] = 0;
2209                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2210                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2211                 }
2212
2213                 if (vid.stereobuffer)
2214                         qglDrawBuffer(GL_BACK_LEFT);
2215
2216                 SCR_DrawScreen();
2217
2218                 r_refdef.view.matrix = originalmatrix;
2219         }
2220         else
2221                 SCR_DrawScreen();
2222         CHECKGLERROR
2223
2224         SCR_CaptureVideo();
2225
2226         // quality adjustment according to render time
2227         CHECKGLERROR
2228         qglFlush(); // FIXME: should we really be using qglFlush here?
2229         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2230         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2231                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2232         else
2233                 cl_updatescreen_quality = 1;
2234
2235         if (!vid_activewindow)
2236                 VID_SetMouse(false, false, false);
2237         else if (key_consoleactive)
2238                 VID_SetMouse(vid.fullscreen, false, false);
2239         else if (key_dest == key_menu_grabbed)
2240                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2241         else if (key_dest == key_menu)
2242                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2243         else
2244                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2245
2246         VID_Finish();
2247 }
2248
2249 void CL_Screen_NewMap(void)
2250 {
2251 }