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 gfx/conback"};
  19 cvar_t scr_conalpha2factor = {CVAR_SAVE, "scr_conalpha2factor", "0", "opacity of console background gfx/conback2 relative to gfx/conback; when 0, gfx/conback2 is not drawn"};
  20 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
  21 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
  22 cvar_t scr_conscroll_x = {CVAR_SAVE, "scr_conscroll_x", "0", "scroll speed of gfx/conback in x direction"};
  23 cvar_t scr_conscroll_y = {CVAR_SAVE, "scr_conscroll_y", "0", "scroll speed of gfx/conback in y direction"};
  24 cvar_t scr_conscroll2_x = {CVAR_SAVE, "scr_conscroll2_x", "0", "scroll speed of gfx/conback2 in x direction"};
  25 cvar_t scr_conscroll2_y = {CVAR_SAVE, "scr_conscroll2_y", "0", "scroll speed of gfx/conback2 in y direction"};
  26 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
  27 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
  28 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
  29 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
  30 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
  31 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
  32 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
  33 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
  34 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, ...)"};
  35 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
  36 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "a height loadingscreen progress bar"};
  37 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
  38 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
  39 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)"};
  40 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
  41 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
  42 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
  43 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
  44 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
  45 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
  46 // scr_screenshot_name is defined in fs.c
  47 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)"};
  48 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)"};
  49 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
  50 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
  51 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"};
  52 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)"};
  53 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
  54 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
  55 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
  56 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)"};
  57 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)"};
  58 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)"};
  59 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)"};
  60 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)"};
  61 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"};
  62 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  63 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)"};
  64 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
  65 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
  66 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
  67 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
  68 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
  69 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  70 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"};
  71 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)"};
  72 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)"};
  73 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"};
  74
  75 extern cvar_t v_glslgamma;
  76 extern cvar_t sbar_info_pos;
  77 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
  78
  79 int jpeg_supported = false;
  80
  81 qboolean        scr_initialized;                // ready to draw
  82
  83 float           scr_con_current;
  84 int                     scr_con_margin_bottom;
  85
  86 extern int      con_vislines;
  87
  88 static void SCR_ScreenShot_f (void);
  89 static void R_Envmap_f (void);
  90
  91 // backend
  92 void R_ClearScreen(qboolean fogcolor);
  93
  94 /*
  95 ===============================================================================
  96
  97 CENTER PRINTING
  98
  99 ===============================================================================
 100 */
 101
 102 char            scr_centerstring[MAX_INPUTLINE];
 103 float           scr_centertime_start;   // for slow victory printing
 104 float           scr_centertime_off;
 105 int                     scr_center_lines;
 106 int                     scr_erase_lines;
 107 int                     scr_erase_center;
 108 char        scr_infobarstring[MAX_INPUTLINE];
 109 float       scr_infobartime_off;
 110
 111 /*
 112 ==============
 113 SCR_CenterPrint
 114
 115 Called for important messages that should stay in the center of the screen
 116 for a few moments
 117 ==============
 118 */
 119 void SCR_CenterPrint(const char *str)
 120 {
 121         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
 122         scr_centertime_off = scr_centertime.value;
 123         scr_centertime_start = cl.time;
 124
 125 // count the number of lines for centering
 126         scr_center_lines = 1;
 127         while (*str)
 128         {
 129                 if (*str == '\n')
 130                         scr_center_lines++;
 131                 str++;
 132         }
 133 }
 134
 135
 136 void SCR_DrawCenterString (void)
 137 {
 138         char    *start;
 139         int             x, y;
 140         int             remaining;
 141         int             color;
 142
 143         if(cl.intermission == 2) // in finale,
 144                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 145                         return;
 146
 147         if(scr_centertime.value <= 0 && !cl.intermission)
 148                 return;
 149
 150 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 151         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 152                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 153         else
 154                 remaining = 9999;
 155
 156         scr_erase_center = 0;
 157         start = scr_centerstring;
 158
 159         if (remaining < 1)
 160                 return;
 161
 162         if (scr_center_lines <= 4)
 163                 y = (int)(vid_conheight.integer*0.35);
 164         else
 165                 y = 48;
 166
 167         color = -1;
 168         do
 169         {
 170                 // scan the number of characters on the line, not counting color codes
 171                 char *newline = strchr(start, '\n');
 172                 int l = newline ? (newline - start) : (int)strlen(start);
 173                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
 174
 175                 x = (int) (vid_conwidth.integer - width)/2;
 176                 if (l > 0)
 177                 {
 178                         if (remaining < l)
 179                                 l = remaining;
 180                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 181                         remaining -= l;
 182                         if (remaining <= 0)
 183                                 return;
 184                 }
 185                 y += 8;
 186
 187                 if (!newline)
 188                         break;
 189                 start = newline + 1; // skip the \n
 190         } while (1);
 191 }
 192
 193 void SCR_CheckDrawCenterString (void)
 194 {
 195         if (scr_center_lines > scr_erase_lines)
 196                 scr_erase_lines = scr_center_lines;
 197
 198         if (cl.time > cl.oldtime)
 199                 scr_centertime_off -= cl.time - cl.oldtime;
 200
 201         // don't draw if this is a normal stats-screen intermission,
 202         // only if it is not an intermission, or a finale intermission
 203         if (cl.intermission == 1)
 204                 return;
 205         if (scr_centertime_off <= 0 && !cl.intermission)
 206                 return;
 207         if (key_dest != key_game)
 208                 return;
 209
 210         SCR_DrawCenterString ();
 211 }
 212
 213 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
 214 {
 215         netgraphitem_t *graph;
 216         int j, x, y;
 217         int totalbytes = 0;
 218         char bytesstring[128];
 219         float g[NETGRAPH_PACKETS][6];
 220         float *a;
 221         float *b;
 222         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
 223         // draw the bar graph itself
 224         // advance the packet counter because it is the latest packet column being
 225         // built up and should come last
 226         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 227         memset(g, 0, sizeof(g));
 228         for (j = 0;j < NETGRAPH_PACKETS;j++)
 229         {
 230                 graph = netgraph + j;
 231                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
 232                 g[j][1] = 1.0f;
 233                 g[j][2] = 1.0f;
 234                 g[j][3] = 1.0f;
 235                 g[j][4] = 1.0f;
 236                 g[j][5] = 1.0f;
 237                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
 238                         g[j][1] = 0.00f;
 239                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
 240                         g[j][2] = 0.96f;
 241                 else
 242                 {
 243                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
 244                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
 245                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
 246                         // count bytes in the last second
 247                         if (realtime - graph->time < 1.0f)
 248                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
 249                 }
 250                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
 251                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
 252                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
 253                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
 254                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
 255         }
 256         // render the lines for the graph
 257         for (j = 0;j < NETGRAPH_PACKETS;j++)
 258         {
 259                 a = g[j];
 260                 b = g[(j+1)%NETGRAPH_PACKETS];
 261                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
 262                         continue;
 263                 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);
 264                 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);
 265                 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);
 266                 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);
 267                 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);
 268         }
 269         x = graphx;
 270         y = graphy + graphheight;
 271         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
 272         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 273         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 274 }
 275
 276 /*
 277 ==============
 278 SCR_DrawNetGraph
 279 ==============
 280 */
 281 void SCR_DrawNetGraph (void)
 282 {
 283         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 284         float graphscale;
 285         netconn_t *c;
 286
 287         if (cls.state != ca_connected)
 288                 return;
 289         if (!cls.netcon)
 290                 return;
 291         if (!shownetgraph.integer)
 292                 return;
 293
 294         separator1 = 2;
 295         separator2 = 4;
 296         textsize = 8;
 297         graphwidth = 120;
 298         graphheight = 70;
 299         graphscale = 1.0f / 1500.0f;
 300
 301         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
 302         netgraphsperrow = max(netgraphsperrow, 1);
 303
 304         index = 0;
 305         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 306         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 307         c = cls.netcon;
 308         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
 309         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 310         index++;
 311
 312         if (sv.active && shownetgraph.integer >= 2)
 313         {
 314                 for (i = 0;i < svs.maxclients;i++)
 315                 {
 316                         c = svs.clients[i].netconnection;
 317                         if (!c)
 318                                 continue;
 319                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 320                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 321                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 322                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
 323                         index++;
 324                 }
 325         }
 326 }
 327
 328 /*
 329 ==============
 330 SCR_DrawTurtle
 331 ==============
 332 */
 333 void SCR_DrawTurtle (void)
 334 {
 335         static int      count;
 336
 337         if (cls.state != ca_connected)
 338                 return;
 339
 340         if (!scr_showturtle.integer)
 341                 return;
 342
 343         if (cl.realframetime < 0.1)
 344         {
 345                 count = 0;
 346                 return;
 347         }
 348
 349         count++;
 350         if (count < 3)
 351                 return;
 352
 353         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
 354 }
 355
 356 /*
 357 ==============
 358 SCR_DrawNet
 359 ==============
 360 */
 361 void SCR_DrawNet (void)
 362 {
 363         if (cls.state != ca_connected)
 364                 return;
 365         if (realtime - cl.last_received_message < 0.3)
 366                 return;
 367         if (cls.demoplayback)
 368                 return;
 369
 370         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
 371 }
 372
 373 /*
 374 ==============
 375 DrawPause
 376 ==============
 377 */
 378 void SCR_DrawPause (void)
 379 {
 380         cachepic_t      *pic;
 381
 382         if (cls.state != ca_connected)
 383                 return;
 384
 385         if (!scr_showpause.integer)             // turn off for screenshots
 386                 return;
 387
 388         if (!cl.paused)
 389                 return;
 390
 391         pic = Draw_CachePic ("gfx/pause");
 392         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 393 }
 394
 395 /*
 396 ==============
 397 SCR_DrawBrand
 398 ==============
 399 */
 400 void SCR_DrawBrand (void)
 401 {
 402         cachepic_t      *pic;
 403         float           x, y;
 404
 405         if (!scr_showbrand.value)
 406                 return;
 407
 408         pic = Draw_CachePic ("gfx/brand");
 409
 410         switch ((int)scr_showbrand.value)
 411         {
 412         case 1: // bottom left
 413                 x = 0;
 414                 y = vid_conheight.integer - pic->height;
 415                 break;
 416         case 2: // bottom centre
 417                 x = (vid_conwidth.integer - pic->width) / 2;
 418                 y = vid_conheight.integer - pic->height;
 419                 break;
 420         case 3: // bottom right
 421                 x = vid_conwidth.integer - pic->width;
 422                 y = vid_conheight.integer - pic->height;
 423                 break;
 424         case 4: // centre right
 425                 x = vid_conwidth.integer - pic->width;
 426                 y = (vid_conheight.integer - pic->height) / 2;
 427                 break;
 428         case 5: // top right
 429                 x = vid_conwidth.integer - pic->width;
 430                 y = 0;
 431                 break;
 432         case 6: // top centre
 433                 x = (vid_conwidth.integer - pic->width) / 2;
 434                 y = 0;
 435                 break;
 436         case 7: // top left
 437                 x = 0;
 438                 y = 0;
 439                 break;
 440         case 8: // centre left
 441                 x = 0;
 442                 y = (vid_conheight.integer - pic->height) / 2;
 443                 break;
 444         default:
 445                 return;
 446         }
 447
 448         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 449 }
 450
 451 /*
 452 ==============
 453 SCR_DrawQWDownload
 454 ==============
 455 */
 456 static int SCR_DrawQWDownload(int offset)
 457 {
 458         // sync with SCR_InfobarHeight
 459         int len;
 460         float x, y;
 461         float size = 8;
 462         char temp[256];
 463
 464         if (!cls.qw_downloadname[0])
 465         {
 466                 cls.qw_downloadspeedrate = 0;
 467                 cls.qw_downloadspeedtime = realtime;
 468                 cls.qw_downloadspeedcount = 0;
 469                 return 0;
 470         }
 471         if (realtime >= cls.qw_downloadspeedtime + 1)
 472         {
 473                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 474                 cls.qw_downloadspeedtime = realtime;
 475                 cls.qw_downloadspeedcount = 0;
 476         }
 477         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 478                 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);
 479         else
 480                 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);
 481         len = (int)strlen(temp);
 482         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 483         y = vid_conheight.integer - size - offset;
 484         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 485         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 486         return 8;
 487 }
 488 /*
 489 ==============
 490 SCR_DrawInfobarString
 491 ==============
 492 */
 493 static int SCR_DrawInfobarString(int offset)
 494 {
 495         int len;
 496         float x, y;
 497         float size = 8;
 498
 499         len = (int)strlen(scr_infobarstring);
 500         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
 501         y = vid_conheight.integer - size - offset;
 502         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 503         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
 504         return 8;
 505 }
 506
 507 /*
 508 ==============
 509 SCR_DrawCurlDownload
 510 ==============
 511 */
 512 static int SCR_DrawCurlDownload(int offset)
 513 {
 514         // sync with SCR_InfobarHeight
 515         int len;
 516         int nDownloads;
 517         int i;
 518         float x, y;
 519         float size = 8;
 520         Curl_downloadinfo_t *downinfo;
 521         char temp[256];
 522         const char *addinfo;
 523
 524         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 525         if(!downinfo)
 526                 return 0;
 527
 528         y = vid_conheight.integer - size * nDownloads - offset;
 529
 530         if(addinfo)
 531         {
 532                 len = (int)strlen(addinfo);
 533                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
 534                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 535                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 536         }
 537
 538         for(i = 0; i != nDownloads; ++i)
 539         {
 540                 if(downinfo[i].queued)
 541                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
 542                 else if(downinfo[i].progress <= 0)
 543                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
 544                 else
 545                         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);
 546                 len = (int)strlen(temp);
 547                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 548                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 549                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 550         }
 551
 552         Z_Free(downinfo);
 553
 554         return 8 * (nDownloads + (addinfo ? 1 : 0));
 555 }
 556
 557 /*
 558 ==============
 559 SCR_DrawInfobar
 560 ==============
 561 */
 562 static void SCR_DrawInfobar(void)
 563 {
 564         int offset = 0;
 565         if(scr_infobartime_off > 0)
 566                 offset += SCR_DrawInfobarString(offset);
 567         offset += SCR_DrawQWDownload(offset);
 568         offset += SCR_DrawCurlDownload(offset);
 569         if(offset != scr_con_margin_bottom)
 570                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 571 }
 572
 573 static int SCR_InfobarHeight(void)
 574 {
 575         int offset = 0;
 576         Curl_downloadinfo_t *downinfo;
 577         const char *addinfo;
 578         int nDownloads;
 579
 580         if (cl.time > cl.oldtime)
 581                 scr_infobartime_off -= cl.time - cl.oldtime;
 582         if(scr_infobartime_off > 0)
 583                 offset += 8;
 584
 585         if(cls.qw_downloadname[0])
 586                 offset += 8;
 587
 588         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 589         if(downinfo)
 590         {
 591                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
 592                 Z_Free(downinfo);
 593         }
 594
 595         return offset;
 596 }
 597
 598 /*
 599 ==============
 600 SCR_InfoBar_f
 601 ==============
 602 */
 603 void SCR_InfoBar_f(void)
 604 {
 605         if(Cmd_Argc() == 3)
 606         {
 607                 scr_infobartime_off = atof(Cmd_Argv(1));
 608                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
 609         }
 610         else
 611         {
 612                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
 613         }
 614 }
 615 //=============================================================================
 616
 617 /*
 618 ==================
 619 SCR_SetUpToDrawConsole
 620 ==================
 621 */
 622 void SCR_SetUpToDrawConsole (void)
 623 {
 624         // lines of console to display
 625         float conlines;
 626         static int framecounter = 0;
 627
 628         Con_CheckResize ();
 629
 630         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 631         {
 632                 if (framecounter >= 2)
 633                         MR_ToggleMenu(1);
 634                 else
 635                         framecounter++;
 636         }
 637         else
 638                 framecounter = 0;
 639
 640         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 641                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 642         else
 643                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 644
 645 // decide on the height of the console
 646         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 647                 conlines = vid_conheight.integer/2;     // half screen
 648         else
 649                 conlines = 0;                           // none visible
 650
 651         scr_con_current = conlines;
 652 }
 653
 654 /*
 655 ==================
 656 SCR_DrawConsole
 657 ==================
 658 */
 659 void SCR_DrawConsole (void)
 660 {
 661         scr_con_margin_bottom = SCR_InfobarHeight();
 662         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 663         {
 664                 // full screen
 665                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 666         }
 667         else if (scr_con_current)
 668                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 669         else
 670                 con_vislines = 0;
 671 }
 672
 673 /*
 674 ===============
 675 SCR_BeginLoadingPlaque
 676
 677 ================
 678 */
 679 void SCR_BeginLoadingPlaque (void)
 680 {
 681         // save console log up to this point to log_file if it was set by configs
 682         Log_Start();
 683
 684         Host_StartVideo();
 685         SCR_UpdateLoadingScreen(false);
 686 }
 687
 688 //=============================================================================
 689
 690 char r_speeds_timestring[4096];
 691 int speedstringcount, r_timereport_active;
 692 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 693 int r_speeds_longestitem = 0;
 694
 695 void R_TimeReport(char *desc)
 696 {
 697         char tempbuf[256];
 698         int length;
 699         int t;
 700
 701         if (r_speeds.integer < 2 || !r_timereport_active)
 702                 return;
 703
 704         CHECKGLERROR
 705         if (r_speeds.integer == 2)
 706                 qglFinish();
 707         CHECKGLERROR
 708         r_timereport_temp = r_timereport_current;
 709         r_timereport_current = Sys_DoubleTime();
 710         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 711
 712         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
 713         length = min(length, (int)sizeof(tempbuf) - 1);
 714         if (r_speeds_longestitem < length)
 715                 r_speeds_longestitem = length;
 716         for (;length < r_speeds_longestitem;length++)
 717                 tempbuf[length] = ' ';
 718         tempbuf[length] = 0;
 719
 720         if (speedstringcount + length > (vid_conwidth.integer / 8))
 721         {
 722                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
 723                 speedstringcount = 0;
 724         }
 725         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
 726         speedstringcount += length;
 727 }
 728
 729 void R_TimeReport_BeginFrame(void)
 730 {
 731         speedstringcount = 0;
 732         r_speeds_timestring[0] = 0;
 733         r_timereport_active = false;
 734         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 735
 736         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
 737         {
 738                 r_timereport_active = true;
 739                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
 740         }
 741 }
 742
 743 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
 744 {
 745         int i, triangles = 0;
 746         for (i = 0;i < leaf->numleafsurfaces;i++)
 747                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
 748         return triangles;
 749 }
 750
 751 void R_TimeReport_EndFrame(void)
 752 {
 753         int i, j, lines, y;
 754         cl_locnode_t *loc;
 755         char string[1024+4096];
 756         mleaf_t *viewleaf;
 757
 758         string[0] = 0;
 759         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 760         {
 761                 // put the location name in the r_speeds display as it greatly helps
 762                 // when creating loc files
 763                 loc = CL_Locs_FindNearest(cl.movement_origin);
 764                 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;
 765                 dpsnprintf(string, sizeof(string),
 766 "%s%s\n"
 767 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
 768 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
 769 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
 770 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
 771 "%7i lightmap updates (%7i pixels)\n"
 772 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
 773 "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n"
 774 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
 775 "%s"
 776 , loc ? "Location: " : "", loc ? loc->name : ""
 777 , 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]
 778 , 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
 779 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
 780 , 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)
 781 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
 782 , 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
 783 , r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
 784 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
 785 , r_speeds_timestring);
 786
 787                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 788
 789                 speedstringcount = 0;
 790                 r_speeds_timestring[0] = 0;
 791                 r_timereport_active = false;
 792
 793                 if (r_speeds.integer >= 2)
 794                 {
 795                         r_timereport_active = true;
 796                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 797                 }
 798         }
 799
 800         if (string[0])
 801         {
 802                 if (string[strlen(string)-1] == '\n')
 803                         string[strlen(string)-1] = 0;
 804                 lines = 1;
 805                 for (i = 0;string[i];i++)
 806                         if (string[i] == '\n')
 807                                 lines++;
 808                 y = vid_conheight.integer - sb_lines - lines * 8;
 809                 i = j = 0;
 810                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 811                 while (string[i])
 812                 {
 813                         j = i;
 814                         while (string[i] && string[i] != '\n')
 815                                 i++;
 816                         if (i - j > 0)
 817                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
 818                         if (string[i] == '\n')
 819                                 i++;
 820                         y += 8;
 821                 }
 822         }
 823 }
 824
 825 /*
 826 =================
 827 SCR_SizeUp_f
 828
 829 Keybinding command
 830 =================
 831 */
 832 void SCR_SizeUp_f (void)
 833 {
 834         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 835 }
 836
 837
 838 /*
 839 =================
 840 SCR_SizeDown_f
 841
 842 Keybinding command
 843 =================
 844 */
 845 void SCR_SizeDown_f (void)
 846 {
 847         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 848 }
 849
 850 void SCR_CaptureVideo_EndVideo(void);
 851 void CL_Screen_Shutdown(void)
 852 {
 853         SCR_CaptureVideo_EndVideo();
 854 }
 855
 856 void CL_Screen_Init(void)
 857 {
 858         Cvar_RegisterVariable (&scr_fov);
 859         Cvar_RegisterVariable (&scr_viewsize);
 860         Cvar_RegisterVariable (&scr_conalpha);
 861         Cvar_RegisterVariable (&scr_conalpha2factor);
 862         Cvar_RegisterVariable (&scr_conscroll_x);
 863         Cvar_RegisterVariable (&scr_conscroll_y);
 864         Cvar_RegisterVariable (&scr_conscroll2_x);
 865         Cvar_RegisterVariable (&scr_conscroll2_y);
 866         Cvar_RegisterVariable (&scr_conbrightness);
 867         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 868         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 869         Cvar_RegisterVariable (&scr_loadingscreen_background);
 870         Cvar_RegisterVariable (&scr_loadingscreen_count);
 871         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
 872         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
 873         Cvar_RegisterVariable (&scr_showram);
 874         Cvar_RegisterVariable (&scr_showturtle);
 875         Cvar_RegisterVariable (&scr_showpause);
 876         Cvar_RegisterVariable (&scr_showbrand);
 877         Cvar_RegisterVariable (&scr_centertime);
 878         Cvar_RegisterVariable (&scr_printspeed);
 879         Cvar_RegisterVariable (&vid_conwidth);
 880         Cvar_RegisterVariable (&vid_conheight);
 881         Cvar_RegisterVariable (&vid_pixelheight);
 882         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 883         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 884         Cvar_RegisterVariable (&scr_screenshot_png);
 885         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 886         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
 887         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
 888         Cvar_RegisterVariable (&scr_screenshot_alpha);
 889         Cvar_RegisterVariable (&cl_capturevideo);
 890         Cvar_RegisterVariable (&cl_capturevideo_printfps);
 891         Cvar_RegisterVariable (&cl_capturevideo_width);
 892         Cvar_RegisterVariable (&cl_capturevideo_height);
 893         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 894         Cvar_RegisterVariable (&cl_capturevideo_fps);
 895         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
 896         Cvar_RegisterVariable (&cl_capturevideo_number);
 897         Cvar_RegisterVariable (&cl_capturevideo_ogg);
 898         Cvar_RegisterVariable (&cl_capturevideo_framestep);
 899         Cvar_RegisterVariable (&r_letterbox);
 900         Cvar_RegisterVariable(&r_stereo_separation);
 901         Cvar_RegisterVariable(&r_stereo_sidebyside);
 902         Cvar_RegisterVariable(&r_stereo_redblue);
 903         Cvar_RegisterVariable(&r_stereo_redcyan);
 904         Cvar_RegisterVariable(&r_stereo_redgreen);
 905         Cvar_RegisterVariable(&r_stereo_angle);
 906         Cvar_RegisterVariable(&scr_zoomwindow);
 907         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 908         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 909         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 910         Cvar_RegisterVariable(&scr_stipple);
 911         Cvar_RegisterVariable(&scr_refresh);
 912         Cvar_RegisterVariable(&shownetgraph);
 913         Cvar_RegisterVariable(&cl_demo_mousegrab);
 914         Cvar_RegisterVariable(&timedemo_screenshotframelist);
 915
 916         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 917         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 918         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 919         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 920         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
 921
 922         SCR_CaptureVideo_Ogg_Init();
 923
 924         scr_initialized = true;
 925 }
 926
 927 /*
 928 ==================
 929 SCR_ScreenShot_f
 930 ==================
 931 */
 932 void SCR_ScreenShot_f (void)
 933 {
 934         static int shotnumber;
 935         static char old_prefix_name[MAX_QPATH];
 936         char prefix_name[MAX_QPATH];
 937         char filename[MAX_QPATH];
 938         unsigned char *buffer1;
 939         unsigned char *buffer2;
 940         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 941         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
 942
 943         if (Cmd_Argc() == 2)
 944         {
 945                 const char *ext;
 946                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
 947                 ext = FS_FileExtension(filename);
 948                 if (!strcasecmp(ext, "jpg"))
 949                 {
 950                         jpeg = true;
 951                         png = false;
 952                 }
 953                 else if (!strcasecmp(ext, "tga"))
 954                 {
 955                         jpeg = false;
 956                         png = false;
 957                 }
 958                 else if (!strcasecmp(ext, "png"))
 959                 {
 960                         jpeg = false;
 961                         png = true;
 962                 }
 963                 else
 964                 {
 965                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
 966                         return;
 967                 }
 968         }
 969         else
 970         {
 971                 // TODO maybe make capturevideo and screenshot use similar name patterns?
 972                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
 973                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
 974                 else
 975                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
 976
 977                 if (strcmp(old_prefix_name, prefix_name))
 978                 {
 979                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
 980                         shotnumber = 0;
 981                 }
 982
 983                 // find a file name to save it to
 984                 for (;shotnumber < 1000000;shotnumber++)
 985                         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)))
 986                                 break;
 987                 if (shotnumber >= 1000000)
 988                 {
 989                         Con_Print("Couldn't create the image file\n");
 990                         return;
 991                 }
 992
 993                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
 994         }
 995
 996         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
 997         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
 998
 999         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer))
1000                 Con_Printf("Wrote %s\n", filename);
1001         else
1002         {
1003                 Con_Printf("Unable to write %s\n", filename);
1004                 if(jpeg || png)
1005                 {
1006                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer))
1007                         {
1008                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1009                                 Con_Printf("Wrote %s\n", filename);
1010                         }
1011                 }
1012         }
1013
1014         Mem_Free (buffer1);
1015         Mem_Free (buffer2);
1016
1017         shotnumber++;
1018 }
1019
1020 void SCR_CaptureVideo_BeginVideo(void)
1021 {
1022         double r, g, b;
1023         unsigned int i;
1024         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1025         if (cls.capturevideo.active)
1026                 return;
1027         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1028         // soundrate is figured out on the first SoundFrame
1029
1030         if(width == 0 && height != 0)
1031                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1032         if(width != 0 && height == 0)
1033                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1034
1035         if(width < 2 || width > vid.width) // can't scale up
1036                 width = vid.width;
1037         if(height < 2 || height > vid.height) // can't scale up
1038                 height = vid.height;
1039
1040         // ensure it's all even; if not, scale down a little
1041         if(width % 1)
1042                 --width;
1043         if(height % 1)
1044                 --height;
1045
1046         cls.capturevideo.width = width;
1047         cls.capturevideo.height = height;
1048         cls.capturevideo.active = true;
1049         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1050         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1051         cls.capturevideo.soundrate = S_GetSoundRate();
1052         cls.capturevideo.soundchannels = S_GetSoundChannels();
1053         cls.capturevideo.startrealtime = realtime;
1054         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1055         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1056         cls.capturevideo.soundsampleframe = 0;
1057         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1058         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1059         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1060         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1061         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1062
1063         /*
1064         for (i = 0;i < 256;i++)
1065         {
1066                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1067                 cls.capturevideo.rgbgammatable[0][i] = j;
1068                 cls.capturevideo.rgbgammatable[1][i] = j;
1069                 cls.capturevideo.rgbgammatable[2][i] = j;
1070         }
1071         */
1072 /*
1073 R = Y + 1.4075 * (Cr - 128);
1074 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1075 B = Y + 1.7790 * (Cb - 128);
1076 Y = R *  .299 + G *  .587 + B *  .114;
1077 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1078 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1079 */
1080
1081         if(WANT_SCREENSHOT_HWGAMMA)
1082         {
1083                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1084         }
1085         else
1086         {
1087                 // identity gamma table
1088                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1089                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1090                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1091         }
1092         if(scr_screenshot_gammaboost.value != 1)
1093         {
1094                 double igamma = 1 / scr_screenshot_gammaboost.value;
1095                 for (i = 0;i < 256 * 3;i++)
1096                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1097         }
1098
1099         for (i = 0;i < 256;i++)
1100         {
1101                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1102                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1103                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1104                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1105                 // Y weights from RGB
1106                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1107                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1108                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1109                 // Cb weights from RGB
1110                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1111                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1112                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1113                 // Cr weights from RGB
1114                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1115                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1116                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1117                 // range reduction of YCbCr to valid signal range
1118                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1119                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1120                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1121         }
1122
1123         if (cl_capturevideo_ogg.integer)
1124         {
1125                 if(SCR_CaptureVideo_Ogg_Available())
1126                 {
1127                         SCR_CaptureVideo_Ogg_BeginVideo();
1128                         return;
1129                 }
1130                 else
1131                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1132         }
1133
1134         SCR_CaptureVideo_Avi_BeginVideo();
1135 }
1136
1137 void SCR_CaptureVideo_EndVideo(void)
1138 {
1139         if (!cls.capturevideo.active)
1140                 return;
1141         cls.capturevideo.active = false;
1142
1143         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);
1144
1145         if (cls.capturevideo.videofile)
1146         {
1147                 cls.capturevideo.endvideo();
1148         }
1149
1150         if (cls.capturevideo.screenbuffer)
1151         {
1152                 Mem_Free (cls.capturevideo.screenbuffer);
1153                 cls.capturevideo.screenbuffer = NULL;
1154         }
1155
1156         if (cls.capturevideo.outbuffer)
1157         {
1158                 Mem_Free (cls.capturevideo.outbuffer);
1159                 cls.capturevideo.outbuffer = NULL;
1160         }
1161
1162         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1163 }
1164
1165 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1166 {
1167         // TODO optimize this function
1168
1169         int x, y;
1170         float area;
1171
1172         // memcpy is faster than me
1173         if(inw == outw && inh == outh)
1174         {
1175                 memcpy(out, in, 4 * inw * inh);
1176                 return;
1177         }
1178
1179         // otherwise: a box filter
1180         area = (float)outw * (float)outh / (float)inw / (float)inh;
1181         for(y = 0; y < outh; ++y)
1182         {
1183                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1184                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1185                 for(x = 0; x < outw; ++x)
1186                 {
1187                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1188                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1189                         float r = 0, g = 0, b = 0, alpha = 0;
1190                         int xx, yy;
1191
1192                         for(yy = iny0_i; yy < iny1_i; ++yy)
1193                         {
1194                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1195                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1196                                 {
1197                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1198                                         r += a * in[4*(xx + inw * yy)+0];
1199                                         g += a * in[4*(xx + inw * yy)+1];
1200                                         b += a * in[4*(xx + inw * yy)+2];
1201                                         alpha += a * in[4*(xx + inw * yy)+3];
1202                                 }
1203                         }
1204
1205                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1206                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1207                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1208                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1209                 }
1210         }
1211 }
1212
1213 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1214 {
1215         int x = 0, y = 0;
1216         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1217
1218         if(newframestepframenum == cls.capturevideo.framestepframe)
1219                 return;
1220
1221         CHECKGLERROR
1222         // speed is critical here, so do saving as directly as possible
1223
1224         qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1225         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1226
1227         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1228         cls.capturevideo.framestepframe = newframestepframenum;
1229
1230         if(cl_capturevideo_printfps.integer)
1231         {
1232                 char buf[80];
1233                 double t = Sys_DoubleTime();
1234                 if(t > cls.capturevideo.lastfpstime + 1)
1235                 {
1236                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1237                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1238                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1239                         Sys_PrintToTerminal(buf);
1240                         cls.capturevideo.lastfpstime = t;
1241                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1242                 }
1243         }
1244 }
1245
1246 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1247 {
1248         cls.capturevideo.soundsampleframe += length;
1249         cls.capturevideo.soundframe(paintbuffer, length);
1250 }
1251
1252 void SCR_CaptureVideo(void)
1253 {
1254         int newframenum;
1255         if (cl_capturevideo.integer)
1256         {
1257                 if (!cls.capturevideo.active)
1258                         SCR_CaptureVideo_BeginVideo();
1259                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1260                 {
1261                         Con_Printf("You can not change the video framerate while recording a video.\n");
1262                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1263                 }
1264                 // for AVI saving we have to make sure that sound is saved before video
1265                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1266                         return;
1267                 if (cls.capturevideo.realtime)
1268                 {
1269                         // preserve sound sync by duplicating frames when running slow
1270                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1271                 }
1272                 else
1273                         newframenum = cls.capturevideo.frame + 1;
1274                 // if falling behind more than one second, stop
1275                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1276                 {
1277                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1278                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1279                         SCR_CaptureVideo_EndVideo();
1280                         return;
1281                 }
1282                 // write frames
1283                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1284                 cls.capturevideo.frame = newframenum;
1285                 if (cls.capturevideo.error)
1286                 {
1287                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1288                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1289                         SCR_CaptureVideo_EndVideo();
1290                 }
1291         }
1292         else if (cls.capturevideo.active)
1293                 SCR_CaptureVideo_EndVideo();
1294 }
1295
1296 /*
1297 ===============
1298 R_Envmap_f
1299
1300 Grab six views for environment mapping tests
1301 ===============
1302 */
1303 struct envmapinfo_s
1304 {
1305         float angles[3];
1306         char *name;
1307         qboolean flipx, flipy, flipdiagonaly;
1308 }
1309 envmapinfo[12] =
1310 {
1311         {{  0,   0, 0}, "rt", false, false, false},
1312         {{  0, 270, 0}, "ft", false, false, false},
1313         {{  0, 180, 0}, "lf", false, false, false},
1314         {{  0,  90, 0}, "bk", false, false, false},
1315         {{-90, 180, 0}, "up",  true,  true, false},
1316         {{ 90, 180, 0}, "dn",  true,  true, false},
1317
1318         {{  0,   0, 0}, "px",  true,  true,  true},
1319         {{  0,  90, 0}, "py", false,  true, false},
1320         {{  0, 180, 0}, "nx", false, false,  true},
1321         {{  0, 270, 0}, "ny",  true, false, false},
1322         {{-90, 180, 0}, "pz", false, false,  true},
1323         {{ 90, 180, 0}, "nz", false, false,  true}
1324 };
1325
1326 static void R_Envmap_f (void)
1327 {
1328         int j, size;
1329         char filename[MAX_QPATH], basename[MAX_QPATH];
1330         unsigned char *buffer1;
1331         unsigned char *buffer2;
1332
1333         if (Cmd_Argc() != 3)
1334         {
1335                 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");
1336                 return;
1337         }
1338
1339         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1340         size = atoi(Cmd_Argv(2));
1341         if (size != 128 && size != 256 && size != 512 && size != 1024)
1342         {
1343                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1344                 return;
1345         }
1346         if (size > vid.width || size > vid.height)
1347         {
1348                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1349                 return;
1350         }
1351
1352         r_refdef.envmap = true;
1353
1354         R_UpdateVariables();
1355
1356         r_refdef.view.x = 0;
1357         r_refdef.view.y = 0;
1358         r_refdef.view.z = 0;
1359         r_refdef.view.width = size;
1360         r_refdef.view.height = size;
1361         r_refdef.view.depth = 1;
1362         r_refdef.view.useperspective = true;
1363         r_refdef.view.isoverlay = false;
1364
1365         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1366         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1367
1368         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1369         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1370
1371         for (j = 0;j < 12;j++)
1372         {
1373                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1374                 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);
1375                 r_refdef.view.quality = 1;
1376                 r_refdef.view.clear = true;
1377                 R_Mesh_Start();
1378                 R_RenderView();
1379                 R_Mesh_Finish();
1380                 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);
1381         }
1382
1383         Mem_Free (buffer1);
1384         Mem_Free (buffer2);
1385
1386         r_refdef.envmap = false;
1387 }
1388
1389 //=============================================================================
1390
1391 void SHOWLMP_decodehide(void)
1392 {
1393         int i;
1394         char *lmplabel;
1395         lmplabel = MSG_ReadString();
1396         for (i = 0;i < cl.num_showlmps;i++)
1397                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1398                 {
1399                         cl.showlmps[i].isactive = false;
1400                         return;
1401                 }
1402 }
1403
1404 void SHOWLMP_decodeshow(void)
1405 {
1406         int k;
1407         char lmplabel[256], picname[256];
1408         float x, y;
1409         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1410         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1411         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1412         {
1413                 x = MSG_ReadByte();
1414                 y = MSG_ReadByte();
1415         }
1416         else
1417         {
1418                 x = MSG_ReadShort();
1419                 y = MSG_ReadShort();
1420         }
1421         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1422         {
1423                 showlmp_t *oldshowlmps = cl.showlmps;
1424                 cl.max_showlmps += 16;
1425                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1426                 if (cl.num_showlmps)
1427                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1428                 if (oldshowlmps)
1429                         Mem_Free(oldshowlmps);
1430         }
1431         for (k = 0;k < cl.max_showlmps;k++)
1432                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1433                         break;
1434         if (k == cl.max_showlmps)
1435                 for (k = 0;k < cl.max_showlmps;k++)
1436                         if (!cl.showlmps[k].isactive)
1437                                 break;
1438         cl.showlmps[k].isactive = true;
1439         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1440         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1441         cl.showlmps[k].x = x;
1442         cl.showlmps[k].y = y;
1443         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1444 }
1445
1446 void SHOWLMP_drawall(void)
1447 {
1448         int i;
1449         for (i = 0;i < cl.num_showlmps;i++)
1450                 if (cl.showlmps[i].isactive)
1451                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic (cl.showlmps[i].pic), 0, 0, 1, 1, 1, 1, 0);
1452 }
1453
1454 /*
1455 ==============================================================================
1456
1457                                                 SCREEN SHOTS
1458
1459 ==============================================================================
1460 */
1461
1462 // buffer1: 4*w*h
1463 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1464 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)
1465 {
1466         int     indices[4] = {0,1,2,3}; // BGRA
1467         qboolean ret;
1468
1469         CHECKGLERROR
1470         qglReadPixels (x, y, width, height, GL_BGRA, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1471
1472         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1473         {
1474                 int i;
1475                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1476                 unsigned short vidramp[256 * 3];
1477                 if(WANT_SCREENSHOT_HWGAMMA)
1478                 {
1479                         VID_BuildGammaTables(&vidramp[0], 256);
1480                 }
1481                 else
1482                 {
1483                         // identity gamma table
1484                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1485                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1486                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1487                 }
1488                 if(scr_screenshot_gammaboost.value != 1)
1489                 {
1490                         for (i = 0;i < 256 * 3;i++)
1491                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1492                 }
1493                 for (i = 0;i < width*height*4;i += 4)
1494                 {
1495                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1496                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1497                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1498                         // A
1499                 }
1500         }
1501
1502         if(keep_alpha && !jpeg)
1503         {
1504                 if(!png)
1505                         flipy = !flipy; // TGA: not preflipped
1506                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1507                 if (png)
1508                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1509                 else
1510                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1511         }
1512         else
1513         {
1514                 if(jpeg)
1515                 {
1516                         indices[0] = 2;
1517                         indices[2] = 0; // RGB
1518                 }
1519                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1520                 if (jpeg)
1521                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1522                 else if (png)
1523                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1524                 else
1525                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1526         }
1527
1528         return ret;
1529 }
1530
1531 //=============================================================================
1532
1533 extern void R_UpdateFogColor(void);
1534 void R_ClearScreen(qboolean fogcolor)
1535 {
1536         // clear to black
1537         CHECKGLERROR
1538         if (fogcolor)
1539         {
1540                 R_UpdateFogColor();
1541                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1542         }
1543         else
1544         {
1545                 qglClearColor(0,0,0,0);CHECKGLERROR
1546         }
1547         qglClearDepth(1);CHECKGLERROR
1548         if (vid.stencil)
1549         {
1550                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1551                 // to avoid clamping interfering with strange shadow volume
1552                 // drawing orders
1553                 qglClearStencil(128);CHECKGLERROR
1554         }
1555         // clear the screen
1556         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0));
1557         // set dithering mode
1558         if (gl_dither.integer)
1559         {
1560                 qglEnable(GL_DITHER);CHECKGLERROR
1561         }
1562         else
1563         {
1564                 qglDisable(GL_DITHER);CHECKGLERROR
1565         }
1566 }
1567
1568 qboolean CL_VM_UpdateView (void);
1569 void SCR_DrawConsole (void);
1570 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1571
1572 int r_stereo_side;
1573
1574 extern void Sbar_ShowFPS(void);
1575 void SCR_DrawScreen (void)
1576 {
1577         Draw_Frame();
1578
1579         R_Mesh_Start();
1580
1581         R_UpdateVariables();
1582
1583         // Quake uses clockwise winding, so these are swapped
1584         r_refdef.view.cullface_front = GL_BACK;
1585         r_refdef.view.cullface_back = GL_FRONT;
1586
1587         if (cls.signon == SIGNONS)
1588         {
1589                 float size;
1590
1591                 size = scr_viewsize.value * (1.0 / 100.0);
1592                 size = min(size, 1);
1593
1594                 if (r_stereo_sidebyside.integer)
1595                 {
1596                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1597                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1598                         r_refdef.view.depth = 1;
1599                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1600                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1601                         r_refdef.view.z = 0;
1602                         if (r_stereo_side)
1603                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1604                 }
1605                 else
1606                 {
1607                         r_refdef.view.width = (int)(vid.width * size);
1608                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1609                         r_refdef.view.depth = 1;
1610                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1611                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1612                         r_refdef.view.z = 0;
1613                 }
1614
1615                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1616                 // LordHavoc: this is designed to produce widescreen fov values
1617                 // when the screen is wider than 4/3 width/height aspect, to do
1618                 // this it simply assumes the requested fov is the vertical fov
1619                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1620                 // higher/lower according to the ratio
1621                 r_refdef.view.useperspective = true;
1622                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1623                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1624
1625                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1626                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1627
1628                 if(!CL_VM_UpdateView())
1629                         R_RenderView();
1630
1631                 if (scr_zoomwindow.integer)
1632                 {
1633                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1634                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1635                         r_refdef.view.width = (int)(vid.width * sizex);
1636                         r_refdef.view.height = (int)(vid.height * sizey);
1637                         r_refdef.view.depth = 1;
1638                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1639                         r_refdef.view.y = 0;
1640                         r_refdef.view.z = 0;
1641
1642                         r_refdef.view.useperspective = true;
1643                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1644                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1645
1646                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1647                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1648
1649                         if(!CL_VM_UpdateView())
1650                                 R_RenderView();
1651                 }
1652         }
1653
1654         if (!r_stereo_sidebyside.integer)
1655         {
1656                 r_refdef.view.width = vid.width;
1657                 r_refdef.view.height = vid.height;
1658                 r_refdef.view.depth = 1;
1659                 r_refdef.view.x = 0;
1660                 r_refdef.view.y = 0;
1661                 r_refdef.view.z = 0;
1662                 r_refdef.view.useperspective = false;
1663         }
1664
1665         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1666         {
1667                 const char *t;
1668                 int framenum;
1669                 t = timedemo_screenshotframelist.string;
1670                 while (*t)
1671                 {
1672                         while (*t == ' ')
1673                                 t++;
1674                         if (!*t)
1675                                 break;
1676                         framenum = atof(t);
1677                         if (framenum == cls.td_frames)
1678                                 break;
1679                         while (*t && *t != ' ')
1680                                 t++;
1681                 }
1682                 if (*t)
1683                 {
1684                         // we need to take a screenshot of this frame...
1685                         char filename[MAX_QPATH];
1686                         unsigned char *buffer1;
1687                         unsigned char *buffer2;
1688                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1689                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1690                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1691                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1692                         Mem_Free(buffer1);
1693                         Mem_Free(buffer2);
1694                 }
1695         }
1696
1697         // draw 2D stuff
1698         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1699                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1700                         Con_DrawNotify ();      // only draw notify in game
1701
1702         if (cls.signon == SIGNONS)
1703         {
1704                 SCR_DrawNet ();
1705                 SCR_DrawTurtle ();
1706                 SCR_DrawPause ();
1707                 if (!r_letterbox.value)
1708                         Sbar_Draw();
1709                 Sbar_ShowFPS();
1710                 SHOWLMP_drawall();
1711                 SCR_CheckDrawCenterString();
1712         }
1713         SCR_DrawNetGraph ();
1714         MR_Draw();
1715         CL_DrawVideo();
1716         R_Shadow_EditLights_DrawSelectedLightProperties();
1717
1718         SCR_DrawConsole();
1719
1720         SCR_DrawBrand();
1721
1722         SCR_DrawInfobar();
1723
1724         if (r_timereport_active)
1725                 R_TimeReport("2d");
1726
1727         if (cls.signon == SIGNONS)
1728         {
1729                 R_TimeReport_EndFrame();
1730                 R_TimeReport_BeginFrame();
1731         }
1732
1733         DrawQ_Finish();
1734
1735         R_DrawGamma();
1736
1737         R_Mesh_Finish();
1738 }
1739
1740 typedef struct loadingscreenstack_s
1741 {
1742         struct loadingscreenstack_s *prev;
1743         char msg[MAX_QPATH];
1744         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1745         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1746         float relative_completion; // 0 .. 1
1747 }
1748 loadingscreenstack_t;
1749 static loadingscreenstack_t *loadingscreenstack = NULL;
1750 static double loadingscreentime = -1;
1751 static qboolean loadingscreencleared = false;
1752 static float loadingscreenheight = 0;
1753 rtexture_t *loadingscreentexture = NULL;
1754 static float loadingscreentexture_vertex3f[12];
1755 static float loadingscreentexture_texcoord2f[8];
1756 static int loadingscreenpic_number = 0;
1757
1758 static void SCR_ClearLoadingScreenTexture(void)
1759 {
1760         if(loadingscreentexture)
1761                 R_FreeTexture(loadingscreentexture);
1762         loadingscreentexture = NULL;
1763 }
1764
1765 extern rtexturepool_t *r_main_texturepool;
1766 static void SCR_SetLoadingScreenTexture(void)
1767 {
1768         int w, h;
1769         float loadingscreentexture_w;
1770         float loadingscreentexture_h;
1771
1772         SCR_ClearLoadingScreenTexture();
1773
1774         if (vid.support.arb_texture_non_power_of_two)
1775         {
1776                 w = vid.width; h = vid.height;
1777                 loadingscreentexture_w = loadingscreentexture_h = 1;
1778         }
1779         else
1780         {
1781                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1782                 loadingscreentexture_w = vid.width / (float) w;
1783                 loadingscreentexture_h = vid.height / (float) h;
1784         }
1785
1786         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
1787         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1788
1789         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1790         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1791         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1792         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1793         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1794         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1795         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1796         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1797         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1798 }
1799
1800 void SCR_UpdateLoadingScreenIfShown(void)
1801 {
1802         if(realtime == loadingscreentime)
1803                 SCR_UpdateLoadingScreen(loadingscreencleared);
1804 }
1805
1806 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1807 {
1808         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1809         s->prev = loadingscreenstack;
1810         loadingscreenstack = s;
1811
1812         strlcpy(s->msg, msg, sizeof(s->msg));
1813         s->relative_completion = 0;
1814
1815         if(s->prev)
1816         {
1817                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1818                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1819                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1820                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1821         }
1822         else
1823         {
1824                 s->absolute_loading_amount_min = 0;
1825                 s->absolute_loading_amount_len = 1;
1826         }
1827
1828         if(redraw)
1829                 SCR_UpdateLoadingScreenIfShown();
1830 }
1831
1832 void SCR_PopLoadingScreen (qboolean redraw)
1833 {
1834         loadingscreenstack_t *s = loadingscreenstack;
1835
1836         if(!s)
1837         {
1838                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1839                 return;
1840         }
1841
1842         loadingscreenstack = s->prev;
1843         if(s->prev)
1844                 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;
1845         Z_Free(s);
1846
1847         if(redraw)
1848                 SCR_UpdateLoadingScreenIfShown();
1849 }
1850
1851 void SCR_ClearLoadingScreen (qboolean redraw)
1852 {
1853         while(loadingscreenstack)
1854                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1855 }
1856
1857 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1858 {
1859         float x;
1860         size_t len;
1861         float total;
1862
1863         total = 0;
1864 #if 0
1865         if(s)
1866         {
1867                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1868                 y -= total;
1869                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1870                 {
1871                         len = strlen(s->msg);
1872                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1873                         y -= size;
1874                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1875                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1876                         total += size;
1877                 }
1878         }
1879 #else
1880         if(s)
1881         {
1882                 len = strlen(s->msg);
1883                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1884                 y -= size;
1885                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1886                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1887                 total += size;
1888         }
1889 #endif
1890         return total;
1891 }
1892
1893 static void SCR_DrawLoadingStack(void)
1894 {
1895         float verts[12];
1896         float colors[16];
1897
1898         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1899         if(loadingscreenstack)
1900         {
1901                 // height = 32; // sorry, using the actual one is ugly
1902                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1903                 GL_DepthRange(0, 1);
1904                 GL_PolygonOffset(0, 0);
1905                 GL_DepthTest(false);
1906                 R_Mesh_ResetTextureState();
1907                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1908                 verts[0] = verts[9] = 0;
1909                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1910                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1911                 verts[7] = verts[10] = vid_conheight.integer;
1912
1913 #if _MSC_VER >= 1400
1914 #define sscanf sscanf_s
1915 #endif
1916                 //                                        ^^^^^^^^^^ blue component
1917                 //                              ^^^^^^ bottom row
1918                 //          ^^^^^^^^^^^^ alpha is always on
1919                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
1920                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
1921                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
1922                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
1923
1924                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
1925                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1926                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1927
1928                 // make sure everything is cleared, including the progress indicator
1929                 if(loadingscreenheight < 8)
1930                         loadingscreenheight = 8;
1931         }
1932 }
1933
1934 static cachepic_t *loadingscreenpic;
1935 static float loadingscreenpic_vertex3f[12];
1936 static float loadingscreenpic_texcoord2f[8];
1937
1938 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
1939 {
1940         r_viewport_t viewport;
1941         float x, y;
1942         // release mouse grab while loading
1943         if (!vid.fullscreen)
1944                 VID_SetMouse(false, false, false);
1945         CHECKGLERROR
1946         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
1947         R_SetViewport(&viewport);
1948         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1949         //qglDepthMask(1);CHECKGLERROR
1950         qglColorMask(1,1,1,1);CHECKGLERROR
1951         qglClearColor(0,0,0,0);CHECKGLERROR
1952         // when starting up a new video mode, make sure the screen is cleared to black
1953         if (clear)
1954                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1955         R_Textures_Frame();
1956         R_Mesh_Start();
1957         R_EntityMatrix(&identitymatrix);
1958         // draw the loading plaque
1959         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
1960         x = (vid_conwidth.integer - loadingscreenpic->width)/2;
1961         y = (vid_conheight.integer - loadingscreenpic->height)/2;
1962         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
1963         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
1964         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
1965         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + loadingscreenpic->width;
1966         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + loadingscreenpic->height;
1967         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
1968         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
1969         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
1970         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
1971 }
1972
1973 static void SCR_DrawLoadingScreen (qboolean clear)
1974 {
1975         // we only need to draw the image if it isn't already there
1976         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1977         GL_DepthRange(0, 1);
1978         GL_PolygonOffset(0, 0);
1979         GL_DepthTest(false);
1980         R_Mesh_ResetTextureState();
1981         GL_Color(1,1,1,1);
1982         if(loadingscreentexture)
1983         {
1984                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
1985                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
1986                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1987         }
1988         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
1989         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
1990         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1991         SCR_DrawLoadingStack();
1992 }
1993
1994 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
1995 {
1996         R_Mesh_Finish();
1997         // refresh
1998         VID_Finish();
1999         // however this IS necessary on Windows Vista
2000         qglFinish();
2001 }
2002
2003 void SCR_UpdateLoadingScreen (qboolean clear)
2004 {
2005         keydest_t       old_key_dest;
2006         int                     old_key_consoleactive;
2007
2008         // don't do anything if not initialized yet
2009         if (vid_hidden || cls.state == ca_dedicated)
2010                 return;
2011
2012         if(!scr_loadingscreen_background.integer)
2013                 clear = true;
2014
2015         if(loadingscreentime == realtime)
2016                 clear |= loadingscreencleared;
2017
2018         if(loadingscreentime != realtime)
2019                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2020
2021         if(clear)
2022                 SCR_ClearLoadingScreenTexture();
2023         else if(loadingscreentime != realtime)
2024                 SCR_SetLoadingScreenTexture();
2025
2026         if(loadingscreentime != realtime)
2027         {
2028                 loadingscreentime = realtime;
2029                 loadingscreenheight = 0;
2030         }
2031         loadingscreencleared = clear;
2032
2033         SCR_DrawLoadingScreen_SharedSetup(clear);
2034         if (vid.stereobuffer)
2035         {
2036                 qglDrawBuffer(GL_BACK_LEFT);
2037                 SCR_DrawLoadingScreen(clear);
2038                 qglDrawBuffer(GL_BACK_RIGHT);
2039                 SCR_DrawLoadingScreen(clear);
2040         }
2041         else
2042         {
2043                 qglDrawBuffer(GL_BACK);
2044                 SCR_DrawLoadingScreen(clear);
2045         }
2046         SCR_DrawLoadingScreen_SharedFinish(clear);
2047
2048         // this goes into the event loop, and should prevent unresponsive cursor on vista
2049         old_key_dest = key_dest;
2050         old_key_consoleactive = key_consoleactive;
2051         key_dest = key_void;
2052         key_consoleactive = false;
2053         Key_EventQueue_Block(); Sys_SendKeyEvents();
2054         key_dest = old_key_dest;
2055         key_consoleactive = old_key_consoleactive;
2056 }
2057
2058 qboolean R_Stereo_ColorMasking(void)
2059 {
2060         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2061 }
2062
2063 qboolean R_Stereo_Active(void)
2064 {
2065         return (vid.stereobuffer || r_stereo_sidebyside.integer || R_Stereo_ColorMasking());
2066 }
2067
2068 extern cvar_t cl_minfps;
2069 extern cvar_t cl_minfps_fade;
2070 extern cvar_t cl_minfps_qualitymax;
2071 extern cvar_t cl_minfps_qualitymin;
2072 extern cvar_t cl_minfps_qualitypower;
2073 extern cvar_t cl_minfps_qualityscale;
2074 static double cl_updatescreen_rendertime = 0;
2075 static double cl_updatescreen_quality = 1;
2076 extern void Sbar_ShowFPS_Update(void);
2077 void CL_UpdateScreen(void)
2078 {
2079         double rendertime1;
2080         float conwidth, conheight;
2081         float f;
2082
2083         Sbar_ShowFPS_Update();
2084
2085         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2086                 return;                         // not initialized yet
2087
2088         if(gamemode == GAME_NEXUIZ)
2089         {
2090                 // play a bit with the palette (experimental)
2091                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2092                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2093                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2094                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2095                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2096                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2097                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2098                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2099         }
2100
2101         if (vid_hidden)
2102                 return;
2103
2104         rendertime1 = Sys_DoubleTime();
2105
2106         conwidth = bound(160, vid_conwidth.value, 32768);
2107         conheight = bound(90, vid_conheight.value, 24576);
2108         if (vid_conwidth.value != conwidth)
2109                 Cvar_SetValue("vid_conwidth", conwidth);
2110         if (vid_conheight.value != conheight)
2111                 Cvar_SetValue("vid_conheight", conheight);
2112
2113         // bound viewsize
2114         if (scr_viewsize.value < 30)
2115                 Cvar_Set ("viewsize","30");
2116         if (scr_viewsize.value > 120)
2117                 Cvar_Set ("viewsize","120");
2118
2119         // bound field of view
2120         if (scr_fov.value < 1)
2121                 Cvar_Set ("fov","1");
2122         if (scr_fov.value > 170)
2123                 Cvar_Set ("fov","170");
2124
2125         // intermission is always full screen
2126         if (cl.intermission)
2127                 sb_lines = 0;
2128         else
2129         {
2130                 if (scr_viewsize.value >= 120)
2131                         sb_lines = 0;           // no status bar at all
2132                 else if (scr_viewsize.value >= 110)
2133                         sb_lines = 24;          // no inventory
2134                 else
2135                         sb_lines = 24+16+8;
2136         }
2137
2138         r_refdef.view.colormask[0] = 1;
2139         r_refdef.view.colormask[1] = 1;
2140         r_refdef.view.colormask[2] = 1;
2141
2142         SCR_SetUpToDrawConsole();
2143
2144         CHECKGLERROR
2145         qglDrawBuffer(GL_BACK);CHECKGLERROR
2146         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2147         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2148         qglDepthMask(1);CHECKGLERROR
2149         qglColorMask(1,1,1,1);CHECKGLERROR
2150         qglClearColor(0,0,0,0);CHECKGLERROR
2151         R_ClearScreen(false);
2152         r_refdef.view.clear = false;
2153         r_refdef.view.isoverlay = false;
2154         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2155         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2156
2157         if (qglPolygonStipple)
2158         {
2159                 if(scr_stipple.integer)
2160                 {
2161                         GLubyte stipple[128];
2162                         int i, s, width, parts;
2163                         static int frame = 0;
2164                         ++frame;
2165
2166                         s = scr_stipple.integer;
2167                         parts = (s & 007);
2168                         width = (s & 070) >> 3;
2169
2170                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2171                         for(i = 0; i < 128; ++i)
2172                         {
2173                                 int line = i/4;
2174                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2175                         }
2176                         qglPolygonStipple(stipple);CHECKGLERROR
2177                 }
2178                 else
2179                 {
2180                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2181                 }
2182         }
2183
2184         CHECKGLERROR
2185         if (R_Stereo_Active())
2186         {
2187                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2188                 matrix4x4_t offsetmatrix;
2189                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2190                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2191
2192                 if (r_stereo_sidebyside.integer)
2193                         r_stereo_side = 0;
2194
2195                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2196                 {
2197                         r_refdef.view.colormask[0] = 1;
2198                         r_refdef.view.colormask[1] = 0;
2199                         r_refdef.view.colormask[2] = 0;
2200                 }
2201
2202                 if (vid.stereobuffer)
2203                         qglDrawBuffer(GL_BACK_RIGHT);
2204
2205                 SCR_DrawScreen();
2206
2207                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2208                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2209
2210                 if (r_stereo_sidebyside.integer)
2211                         r_stereo_side = 1;
2212
2213                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2214                 {
2215                         r_refdef.view.colormask[0] = 0;
2216                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2217                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2218                 }
2219
2220                 if (vid.stereobuffer)
2221                         qglDrawBuffer(GL_BACK_LEFT);
2222
2223                 SCR_DrawScreen();
2224
2225                 r_refdef.view.matrix = originalmatrix;
2226         }
2227         else
2228                 SCR_DrawScreen();
2229         CHECKGLERROR
2230
2231         SCR_CaptureVideo();
2232
2233         // quality adjustment according to render time
2234         CHECKGLERROR
2235         qglFlush(); // FIXME: should we really be using qglFlush here?
2236         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2237         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2238                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2239         else
2240                 cl_updatescreen_quality = 1;
2241
2242         if (!vid_activewindow)
2243                 VID_SetMouse(false, false, false);
2244         else if (key_consoleactive)
2245                 VID_SetMouse(vid.fullscreen, false, false);
2246         else if (key_dest == key_menu_grabbed)
2247                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2248         else if (key_dest == key_menu)
2249                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2250         else
2251                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2252
2253         VID_Finish();
2254 }
2255
2256 void CL_Screen_NewMap(void)
2257 {
2258 }