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_conalphafactor = {CVAR_SAVE, "scr_conalphafactor", "1", "opacity of console background gfx/conback relative to scr_conalpha; when 0, gfx/conback is not drawn"};
  20 cvar_t scr_conalpha2factor = {CVAR_SAVE, "scr_conalpha2factor", "0", "opacity of console background gfx/conback2 relative to scr_conalpha; when 0, gfx/conback2 is not drawn"};
  21 cvar_t scr_conalpha3factor = {CVAR_SAVE, "scr_conalpha3factor", "0", "opacity of console background gfx/conback3 relative to scr_conalpha; when 0, gfx/conback3 is not drawn"};
  22 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
  23 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
  24 cvar_t scr_conscroll_x = {CVAR_SAVE, "scr_conscroll_x", "0", "scroll speed of gfx/conback in x direction"};
  25 cvar_t scr_conscroll_y = {CVAR_SAVE, "scr_conscroll_y", "0", "scroll speed of gfx/conback in y direction"};
  26 cvar_t scr_conscroll2_x = {CVAR_SAVE, "scr_conscroll2_x", "0", "scroll speed of gfx/conback2 in x direction"};
  27 cvar_t scr_conscroll2_y = {CVAR_SAVE, "scr_conscroll2_y", "0", "scroll speed of gfx/conback2 in y direction"};
  28 cvar_t scr_conscroll3_x = {CVAR_SAVE, "scr_conscroll3_x", "0", "scroll speed of gfx/conback3 in x direction"};
  29 cvar_t scr_conscroll3_y = {CVAR_SAVE, "scr_conscroll3_y", "0", "scroll speed of gfx/conback3 in y direction"};
  30 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
  31 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
  32 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
  33 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
  34 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
  35 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
  36 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
  37 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
  38 cvar_t scr_loadingscreen_scale = {0, "scr_loadingscreen_scale","1", "scale factor of the background"};
  39 cvar_t scr_loadingscreen_scale_base = {0, "scr_loadingscreen_scale_base","0", "0 = console pixels, 1 = video pixels"};
  40 cvar_t scr_loadingscreen_scale_limit = {0, "scr_loadingscreen_scale_limit","0", "0 = no limit, 1 = until first edge hits screen edge, 2 = until last edge hits screen edge, 3 = until width hits screen width, 4 = until height hits screen height"};
  41 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, ...)"};
  42 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
  43 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "the height of the loadingscreen progress bar"};
  44 cvar_t scr_infobar_height = {0, "scr_infobar_height", "8", "the height of the infobar items"};
  45 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
  46 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
  47 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)"};
  48 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
  49 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
  50 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
  51 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
  52 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
  53 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
  54 // scr_screenshot_name is defined in fs.c
  55 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)"};
  56 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)"};
  57 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
  58 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
  59 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"};
  60 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)"};
  61 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
  62 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
  63 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
  64 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)"};
  65 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)"};
  66 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)"};
  67 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)"};
  68 cvar_t r_stereo_horizontal = {0, "r_stereo_horizontal", "0", "aspect skewed side by side view for special decoder/display hardware"};
  69 cvar_t r_stereo_vertical = {0, "r_stereo_vertical", "0", "aspect skewed top and bottom view for special decoder/display hardware"};
  70 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)"};
  71 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"};
  72 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  73 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)"};
  74 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
  75 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
  76 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
  77 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
  78 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
  79 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  80 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"};
  81 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)"};
  82 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)"};
  83 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"};
  84 cvar_t vid_touchscreen_outlinealpha = {0, "vid_touchscreen_outlinealpha", "0.25", "opacity of touchscreen area outlines"};
  85 cvar_t vid_touchscreen_overlayalpha = {0, "vid_touchscreen_overlayalpha", "0.25", "opacity of touchscreen area icons"};
  86
  87 extern cvar_t v_glslgamma;
  88 extern cvar_t sbar_info_pos;
  89 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
  90
  91 int jpeg_supported = false;
  92
  93 qboolean        scr_initialized;                // ready to draw
  94
  95 float           scr_con_current;
  96 int                     scr_con_margin_bottom;
  97
  98 extern int      con_vislines;
  99
 100 static void SCR_ScreenShot_f (void);
 101 static void R_Envmap_f (void);
 102
 103 // backend
 104 void R_ClearScreen(qboolean fogcolor);
 105
 106 /*
 107 ===============================================================================
 108
 109 CENTER PRINTING
 110
 111 ===============================================================================
 112 */
 113
 114 char            scr_centerstring[MAX_INPUTLINE];
 115 float           scr_centertime_start;   // for slow victory printing
 116 float           scr_centertime_off;
 117 int                     scr_center_lines;
 118 int                     scr_erase_lines;
 119 int                     scr_erase_center;
 120 char        scr_infobarstring[MAX_INPUTLINE];
 121 float       scr_infobartime_off;
 122
 123 /*
 124 ==============
 125 SCR_CenterPrint
 126
 127 Called for important messages that should stay in the center of the screen
 128 for a few moments
 129 ==============
 130 */
 131 void SCR_CenterPrint(const char *str)
 132 {
 133         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
 134         scr_centertime_off = scr_centertime.value;
 135         scr_centertime_start = cl.time;
 136
 137 // count the number of lines for centering
 138         scr_center_lines = 1;
 139         while (*str)
 140         {
 141                 if (*str == '\n')
 142                         scr_center_lines++;
 143                 str++;
 144         }
 145 }
 146
 147
 148 void SCR_DrawCenterString (void)
 149 {
 150         char    *start;
 151         int             x, y;
 152         int             remaining;
 153         int             color;
 154
 155         if(cl.intermission == 2) // in finale,
 156                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 157                         return;
 158
 159         if(scr_centertime.value <= 0 && !cl.intermission)
 160                 return;
 161
 162 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 163         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 164                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 165         else
 166                 remaining = 9999;
 167
 168         scr_erase_center = 0;
 169         start = scr_centerstring;
 170
 171         if (remaining < 1)
 172                 return;
 173
 174         if (scr_center_lines <= 4)
 175                 y = (int)(vid_conheight.integer*0.35);
 176         else
 177                 y = 48;
 178
 179         color = -1;
 180         do
 181         {
 182                 // scan the number of characters on the line, not counting color codes
 183                 char *newline = strchr(start, '\n');
 184                 int l = newline ? (newline - start) : (int)strlen(start);
 185                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
 186
 187                 x = (int) (vid_conwidth.integer - width)/2;
 188                 if (l > 0)
 189                 {
 190                         if (remaining < l)
 191                                 l = remaining;
 192                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 193                         remaining -= l;
 194                         if (remaining <= 0)
 195                                 return;
 196                 }
 197                 y += 8;
 198
 199                 if (!newline)
 200                         break;
 201                 start = newline + 1; // skip the \n
 202         } while (1);
 203 }
 204
 205 void SCR_CheckDrawCenterString (void)
 206 {
 207         if (scr_center_lines > scr_erase_lines)
 208                 scr_erase_lines = scr_center_lines;
 209
 210         if (cl.time > cl.oldtime)
 211                 scr_centertime_off -= cl.time - cl.oldtime;
 212
 213         // don't draw if this is a normal stats-screen intermission,
 214         // only if it is not an intermission, or a finale intermission
 215         if (cl.intermission == 1)
 216                 return;
 217         if (scr_centertime_off <= 0 && !cl.intermission)
 218                 return;
 219         if (key_dest != key_game)
 220                 return;
 221
 222         SCR_DrawCenterString ();
 223 }
 224
 225 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
 226 {
 227         netgraphitem_t *graph;
 228         int j, x, y, numlines;
 229         int totalbytes = 0;
 230         char bytesstring[128];
 231         float g[NETGRAPH_PACKETS][6];
 232         float *a;
 233         float *b;
 234         float vertex3f[(NETGRAPH_PACKETS+2)*5*2*3];
 235         float color4f[(NETGRAPH_PACKETS+2)*5*2*4];
 236         float *v;
 237         float *c;
 238         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
 239         // draw the bar graph itself
 240         // advance the packet counter because it is the latest packet column being
 241         // built up and should come last
 242         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 243         memset(g, 0, sizeof(g));
 244         for (j = 0;j < NETGRAPH_PACKETS;j++)
 245         {
 246                 graph = netgraph + j;
 247                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
 248                 g[j][1] = 1.0f;
 249                 g[j][2] = 1.0f;
 250                 g[j][3] = 1.0f;
 251                 g[j][4] = 1.0f;
 252                 g[j][5] = 1.0f;
 253                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
 254                         g[j][1] = 0.00f;
 255                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
 256                         g[j][2] = 0.96f;
 257                 else
 258                 {
 259                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
 260                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
 261                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
 262                         // count bytes in the last second
 263                         if (realtime - graph->time < 1.0f)
 264                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
 265                 }
 266                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
 267                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
 268                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
 269                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
 270                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
 271         }
 272         // render the lines for the graph
 273         numlines = 0;
 274         v = vertex3f;
 275         c = color4f;
 276         for (j = 0;j < NETGRAPH_PACKETS;j++)
 277         {
 278                 a = g[j];
 279                 b = g[(j+1)%NETGRAPH_PACKETS];
 280                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
 281                         continue;
 282                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[2], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 0.0f, 1.0f);c += 4;
 283                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[2], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 0.0f, 1.0f);c += 4;
 284
 285                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[1], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.0f, 0.0f, 1.0f);c += 4;
 286                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[1], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.0f, 0.0f, 1.0f);c += 4;
 287
 288                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[5], 0.0f);v += 3;Vector4Set(c, 0.0f, 1.0f, 0.0f, 1.0f);c += 4;
 289                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[5], 0.0f);v += 3;Vector4Set(c, 0.0f, 1.0f, 0.0f, 1.0f);c += 4;
 290
 291                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[4], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 1.0f, 1.0f);c += 4;
 292                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[4], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 1.0f, 1.0f);c += 4;
 293
 294                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[3], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.5f, 0.0f, 1.0f);c += 4;
 295                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[3], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.5f, 0.0f, 1.0f);c += 4;
 296
 297                 numlines += 5;
 298         }
 299         if (numlines > 0)
 300                 DrawQ_Lines(0.0f, numlines, vertex3f, color4f, 0);
 301         x = graphx;
 302         y = graphy + graphheight;
 303         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
 304         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 305         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 306 }
 307
 308 /*
 309 ==============
 310 SCR_DrawNetGraph
 311 ==============
 312 */
 313 void SCR_DrawNetGraph (void)
 314 {
 315         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 316         float graphscale;
 317         netconn_t *c;
 318
 319         if (cls.state != ca_connected)
 320                 return;
 321         if (!cls.netcon)
 322                 return;
 323         if (!shownetgraph.integer)
 324                 return;
 325
 326         separator1 = 2;
 327         separator2 = 4;
 328         textsize = 8;
 329         graphwidth = 120;
 330         graphheight = 70;
 331         graphscale = 1.0f / 1500.0f;
 332
 333         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
 334         netgraphsperrow = max(netgraphsperrow, 1);
 335
 336         index = 0;
 337         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 338         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 339         c = cls.netcon;
 340         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
 341         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 342         index++;
 343
 344         if (sv.active && shownetgraph.integer >= 2)
 345         {
 346                 for (i = 0;i < svs.maxclients;i++)
 347                 {
 348                         c = svs.clients[i].netconnection;
 349                         if (!c)
 350                                 continue;
 351                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 352                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 353                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 354                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
 355                         index++;
 356                 }
 357         }
 358 }
 359
 360 /*
 361 ==============
 362 SCR_DrawTurtle
 363 ==============
 364 */
 365 void SCR_DrawTurtle (void)
 366 {
 367         static int      count;
 368
 369         if (cls.state != ca_connected)
 370                 return;
 371
 372         if (!scr_showturtle.integer)
 373                 return;
 374
 375         if (cl.realframetime < 0.1)
 376         {
 377                 count = 0;
 378                 return;
 379         }
 380
 381         count++;
 382         if (count < 3)
 383                 return;
 384
 385         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
 386 }
 387
 388 /*
 389 ==============
 390 SCR_DrawNet
 391 ==============
 392 */
 393 void SCR_DrawNet (void)
 394 {
 395         if (cls.state != ca_connected)
 396                 return;
 397         if (realtime - cl.last_received_message < 0.3)
 398                 return;
 399         if (cls.demoplayback)
 400                 return;
 401
 402         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
 403 }
 404
 405 /*
 406 ==============
 407 DrawPause
 408 ==============
 409 */
 410 void SCR_DrawPause (void)
 411 {
 412         cachepic_t      *pic;
 413
 414         if (cls.state != ca_connected)
 415                 return;
 416
 417         if (!scr_showpause.integer)             // turn off for screenshots
 418                 return;
 419
 420         if (!cl.paused)
 421                 return;
 422
 423         pic = Draw_CachePic ("gfx/pause");
 424         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 425 }
 426
 427 /*
 428 ==============
 429 SCR_DrawBrand
 430 ==============
 431 */
 432 void SCR_DrawBrand (void)
 433 {
 434         cachepic_t      *pic;
 435         float           x, y;
 436
 437         if (!scr_showbrand.value)
 438                 return;
 439
 440         pic = Draw_CachePic ("gfx/brand");
 441
 442         switch ((int)scr_showbrand.value)
 443         {
 444         case 1: // bottom left
 445                 x = 0;
 446                 y = vid_conheight.integer - pic->height;
 447                 break;
 448         case 2: // bottom centre
 449                 x = (vid_conwidth.integer - pic->width) / 2;
 450                 y = vid_conheight.integer - pic->height;
 451                 break;
 452         case 3: // bottom right
 453                 x = vid_conwidth.integer - pic->width;
 454                 y = vid_conheight.integer - pic->height;
 455                 break;
 456         case 4: // centre right
 457                 x = vid_conwidth.integer - pic->width;
 458                 y = (vid_conheight.integer - pic->height) / 2;
 459                 break;
 460         case 5: // top right
 461                 x = vid_conwidth.integer - pic->width;
 462                 y = 0;
 463                 break;
 464         case 6: // top centre
 465                 x = (vid_conwidth.integer - pic->width) / 2;
 466                 y = 0;
 467                 break;
 468         case 7: // top left
 469                 x = 0;
 470                 y = 0;
 471                 break;
 472         case 8: // centre left
 473                 x = 0;
 474                 y = (vid_conheight.integer - pic->height) / 2;
 475                 break;
 476         default:
 477                 return;
 478         }
 479
 480         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 481 }
 482
 483 /*
 484 ==============
 485 SCR_DrawQWDownload
 486 ==============
 487 */
 488 static int SCR_DrawQWDownload(int offset)
 489 {
 490         // sync with SCR_InfobarHeight
 491         int len;
 492         float x, y;
 493         float size = scr_infobar_height.value;
 494         char temp[256];
 495
 496         if (!cls.qw_downloadname[0])
 497         {
 498                 cls.qw_downloadspeedrate = 0;
 499                 cls.qw_downloadspeedtime = realtime;
 500                 cls.qw_downloadspeedcount = 0;
 501                 return 0;
 502         }
 503         if (realtime >= cls.qw_downloadspeedtime + 1)
 504         {
 505                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 506                 cls.qw_downloadspeedtime = realtime;
 507                 cls.qw_downloadspeedcount = 0;
 508         }
 509         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 510                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
 511         else
 512                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i/%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadmemorymaxsize, cls.qw_downloadspeedrate);
 513         len = (int)strlen(temp);
 514         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 515         y = vid_conheight.integer - size - offset;
 516         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 517         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 518         return size;
 519 }
 520 /*
 521 ==============
 522 SCR_DrawInfobarString
 523 ==============
 524 */
 525 static int SCR_DrawInfobarString(int offset)
 526 {
 527         int len;
 528         float x, y;
 529         float size = scr_infobar_height.value;
 530
 531         len = (int)strlen(scr_infobarstring);
 532         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
 533         y = vid_conheight.integer - size - offset;
 534         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 535         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
 536         return size;
 537 }
 538
 539 /*
 540 ==============
 541 SCR_DrawCurlDownload
 542 ==============
 543 */
 544 static int SCR_DrawCurlDownload(int offset)
 545 {
 546         // sync with SCR_InfobarHeight
 547         int len;
 548         int nDownloads;
 549         int i;
 550         float x, y;
 551         float size = scr_infobar_height.value;
 552         Curl_downloadinfo_t *downinfo;
 553         char temp[256];
 554         const char *addinfo;
 555
 556         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 557         if(!downinfo)
 558                 return 0;
 559
 560         y = vid_conheight.integer - size * nDownloads - offset;
 561
 562         if(addinfo)
 563         {
 564                 len = (int)strlen(addinfo);
 565                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
 566                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 567                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 568         }
 569
 570         for(i = 0; i != nDownloads; ++i)
 571         {
 572                 if(downinfo[i].queued)
 573                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s", downinfo[i].filename);
 574                 else if(downinfo[i].progress <= 0)
 575                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s", downinfo[i].filename, downinfo[i].speed / 1024.0);
 576                 else
 577                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
 578                 len = (int)strlen(temp);
 579                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 580                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 581                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 582         }
 583
 584         Z_Free(downinfo);
 585
 586         return size * (nDownloads + (addinfo ? 1 : 0));
 587 }
 588
 589 /*
 590 ==============
 591 SCR_DrawInfobar
 592 ==============
 593 */
 594 static void SCR_DrawInfobar(void)
 595 {
 596         int offset = 0;
 597         offset += SCR_DrawQWDownload(offset);
 598         offset += SCR_DrawCurlDownload(offset);
 599         if(scr_infobartime_off > 0)
 600                 offset += SCR_DrawInfobarString(offset);
 601         if(offset != scr_con_margin_bottom)
 602                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 603 }
 604
 605 static int SCR_InfobarHeight(void)
 606 {
 607         int offset = 0;
 608         Curl_downloadinfo_t *downinfo;
 609         const char *addinfo;
 610         int nDownloads;
 611
 612         if (cl.time > cl.oldtime)
 613                 scr_infobartime_off -= cl.time - cl.oldtime;
 614         if(scr_infobartime_off > 0)
 615                 offset += 8;
 616         if(cls.qw_downloadname[0])
 617                 offset += 8;
 618
 619         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 620         if(downinfo)
 621         {
 622                 offset += (nDownloads + (addinfo ? 1 : 0));
 623                 Z_Free(downinfo);
 624         }
 625         offset *= scr_infobar_height.value;
 626
 627         return offset;
 628 }
 629
 630 /*
 631 ==============
 632 SCR_InfoBar_f
 633 ==============
 634 */
 635 void SCR_InfoBar_f(void)
 636 {
 637         if(Cmd_Argc() == 3)
 638         {
 639                 scr_infobartime_off = atof(Cmd_Argv(1));
 640                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
 641         }
 642         else
 643         {
 644                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
 645         }
 646 }
 647 //=============================================================================
 648
 649 /*
 650 ==================
 651 SCR_SetUpToDrawConsole
 652 ==================
 653 */
 654 void SCR_SetUpToDrawConsole (void)
 655 {
 656         // lines of console to display
 657         float conlines;
 658         static int framecounter = 0;
 659
 660         Con_CheckResize ();
 661
 662         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 663         {
 664                 if (framecounter >= 2)
 665                         MR_ToggleMenu(1);
 666                 else
 667                         framecounter++;
 668         }
 669         else
 670                 framecounter = 0;
 671
 672         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 673                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 674         else
 675                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 676
 677 // decide on the height of the console
 678         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 679                 conlines = vid_conheight.integer/2;     // half screen
 680         else
 681                 conlines = 0;                           // none visible
 682
 683         scr_con_current = conlines;
 684 }
 685
 686 /*
 687 ==================
 688 SCR_DrawConsole
 689 ==================
 690 */
 691 void SCR_DrawConsole (void)
 692 {
 693         scr_con_margin_bottom = SCR_InfobarHeight();
 694         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 695         {
 696                 // full screen
 697                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 698         }
 699         else if (scr_con_current)
 700                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 701         else
 702                 con_vislines = 0;
 703 }
 704
 705 /*
 706 ===============
 707 SCR_BeginLoadingPlaque
 708
 709 ================
 710 */
 711 void SCR_BeginLoadingPlaque (void)
 712 {
 713         // save console log up to this point to log_file if it was set by configs
 714         Log_Start();
 715
 716         Host_StartVideo();
 717         SCR_UpdateLoadingScreen(false);
 718 }
 719
 720 //=============================================================================
 721
 722 char r_speeds_timestring[4096];
 723 int speedstringcount, r_timereport_active;
 724 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 725 int r_speeds_longestitem = 0;
 726
 727 void R_TimeReport(const char *desc)
 728 {
 729         char tempbuf[256];
 730         int length;
 731         int t;
 732
 733         if (r_speeds.integer < 2 || !r_timereport_active)
 734                 return;
 735
 736         CHECKGLERROR
 737         if (r_speeds.integer == 2 && qglFinish)
 738                 qglFinish();
 739         CHECKGLERROR
 740         r_timereport_temp = r_timereport_current;
 741         r_timereport_current = Sys_DoubleTime();
 742         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 743
 744         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
 745         length = min(length, (int)sizeof(tempbuf) - 1);
 746         if (r_speeds_longestitem < length)
 747                 r_speeds_longestitem = length;
 748         for (;length < r_speeds_longestitem;length++)
 749                 tempbuf[length] = ' ';
 750         tempbuf[length] = 0;
 751
 752         if (speedstringcount + length > (vid_conwidth.integer / 8))
 753         {
 754                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
 755                 speedstringcount = 0;
 756         }
 757         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
 758         speedstringcount += length;
 759 }
 760
 761 void R_TimeReport_BeginFrame(void)
 762 {
 763         speedstringcount = 0;
 764         r_speeds_timestring[0] = 0;
 765         r_timereport_active = false;
 766         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 767
 768         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
 769         {
 770                 r_timereport_active = true;
 771                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
 772         }
 773 }
 774
 775 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
 776 {
 777         int i, triangles = 0;
 778         for (i = 0;i < leaf->numleafsurfaces;i++)
 779                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
 780         return triangles;
 781 }
 782
 783 void R_TimeReport_EndFrame(void)
 784 {
 785         int i, j, lines, y;
 786         cl_locnode_t *loc;
 787         char string[1024+4096];
 788         mleaf_t *viewleaf;
 789
 790         string[0] = 0;
 791         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 792         {
 793                 // put the location name in the r_speeds display as it greatly helps
 794                 // when creating loc files
 795                 loc = CL_Locs_FindNearest(cl.movement_origin);
 796                 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;
 797                 dpsnprintf(string, sizeof(string),
 798 "%s%s\n"
 799 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
 800 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
 801 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
 802 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
 803 "%7i lightmap updates (%7i pixels)%8iKB/%8iKB framedata\n"
 804 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
 805 "bouncegrid:%4i lights%6i particles%6i traces%6i hits%6i splats%6i bounces\n"
 806 "%6i draws%8i vertices%8i triangles bloompixels%8i copied%8i drawn\n"
 807 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
 808 "%s"
 809 , loc ? "Location: " : "", loc ? loc->name : ""
 810 , 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]
 811 , 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
 812 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
 813 , 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)
 814 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels, (r_refdef.stats.framedatacurrent+512) / 1024, (r_refdef.stats.framedatasize+512)/1024
 815 , 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
 816 , r_refdef.stats.bouncegrid_lights, r_refdef.stats.bouncegrid_particles, r_refdef.stats.bouncegrid_traces, r_refdef.stats.bouncegrid_hits, r_refdef.stats.bouncegrid_splats, r_refdef.stats.bouncegrid_bounces
 817 , r_refdef.stats.draws, r_refdef.stats.draws_vertices, r_refdef.stats.draws_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
 818 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
 819 , r_speeds_timestring);
 820
 821                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 822
 823                 speedstringcount = 0;
 824                 r_speeds_timestring[0] = 0;
 825                 r_timereport_active = false;
 826
 827                 if (r_speeds.integer >= 2)
 828                 {
 829                         r_timereport_active = true;
 830                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 831                 }
 832         }
 833
 834         if (string[0])
 835         {
 836                 if (string[strlen(string)-1] == '\n')
 837                         string[strlen(string)-1] = 0;
 838                 lines = 1;
 839                 for (i = 0;string[i];i++)
 840                         if (string[i] == '\n')
 841                                 lines++;
 842                 y = vid_conheight.integer - sb_lines - lines * 8;
 843                 i = j = 0;
 844                 r_draw2d_force = true;
 845                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 846                 while (string[i])
 847                 {
 848                         j = i;
 849                         while (string[i] && string[i] != '\n')
 850                                 i++;
 851                         if (i - j > 0)
 852                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
 853                         if (string[i] == '\n')
 854                                 i++;
 855                         y += 8;
 856                 }
 857                 r_draw2d_force = false;
 858         }
 859 }
 860
 861 /*
 862 =================
 863 SCR_SizeUp_f
 864
 865 Keybinding command
 866 =================
 867 */
 868 void SCR_SizeUp_f (void)
 869 {
 870         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 871 }
 872
 873
 874 /*
 875 =================
 876 SCR_SizeDown_f
 877
 878 Keybinding command
 879 =================
 880 */
 881 void SCR_SizeDown_f (void)
 882 {
 883         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 884 }
 885
 886 void SCR_CaptureVideo_EndVideo(void);
 887 void CL_Screen_Shutdown(void)
 888 {
 889         SCR_CaptureVideo_EndVideo();
 890 }
 891
 892 void CL_Screen_Init(void)
 893 {
 894         Cvar_RegisterVariable (&scr_fov);
 895         Cvar_RegisterVariable (&scr_viewsize);
 896         Cvar_RegisterVariable (&scr_conalpha);
 897         Cvar_RegisterVariable (&scr_conalphafactor);
 898         Cvar_RegisterVariable (&scr_conalpha2factor);
 899         Cvar_RegisterVariable (&scr_conalpha3factor);
 900         Cvar_RegisterVariable (&scr_conscroll_x);
 901         Cvar_RegisterVariable (&scr_conscroll_y);
 902         Cvar_RegisterVariable (&scr_conscroll2_x);
 903         Cvar_RegisterVariable (&scr_conscroll2_y);
 904         Cvar_RegisterVariable (&scr_conscroll3_x);
 905         Cvar_RegisterVariable (&scr_conscroll3_y);
 906         Cvar_RegisterVariable (&scr_conbrightness);
 907         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 908         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 909         Cvar_RegisterVariable (&scr_loadingscreen_background);
 910         Cvar_RegisterVariable (&scr_loadingscreen_scale);
 911         Cvar_RegisterVariable (&scr_loadingscreen_scale_base);
 912         Cvar_RegisterVariable (&scr_loadingscreen_scale_limit);
 913         Cvar_RegisterVariable (&scr_loadingscreen_count);
 914         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
 915         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
 916         Cvar_RegisterVariable (&scr_infobar_height);
 917         Cvar_RegisterVariable (&scr_showram);
 918         Cvar_RegisterVariable (&scr_showturtle);
 919         Cvar_RegisterVariable (&scr_showpause);
 920         Cvar_RegisterVariable (&scr_showbrand);
 921         Cvar_RegisterVariable (&scr_centertime);
 922         Cvar_RegisterVariable (&scr_printspeed);
 923         Cvar_RegisterVariable (&vid_conwidth);
 924         Cvar_RegisterVariable (&vid_conheight);
 925         Cvar_RegisterVariable (&vid_pixelheight);
 926         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 927         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 928         Cvar_RegisterVariable (&scr_screenshot_png);
 929         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 930         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
 931         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
 932         Cvar_RegisterVariable (&scr_screenshot_alpha);
 933         Cvar_RegisterVariable (&cl_capturevideo);
 934         Cvar_RegisterVariable (&cl_capturevideo_printfps);
 935         Cvar_RegisterVariable (&cl_capturevideo_width);
 936         Cvar_RegisterVariable (&cl_capturevideo_height);
 937         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 938         Cvar_RegisterVariable (&cl_capturevideo_fps);
 939         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
 940         Cvar_RegisterVariable (&cl_capturevideo_number);
 941         Cvar_RegisterVariable (&cl_capturevideo_ogg);
 942         Cvar_RegisterVariable (&cl_capturevideo_framestep);
 943         Cvar_RegisterVariable (&r_letterbox);
 944         Cvar_RegisterVariable(&r_stereo_separation);
 945         Cvar_RegisterVariable(&r_stereo_sidebyside);
 946         Cvar_RegisterVariable(&r_stereo_horizontal);
 947         Cvar_RegisterVariable(&r_stereo_vertical);
 948         Cvar_RegisterVariable(&r_stereo_redblue);
 949         Cvar_RegisterVariable(&r_stereo_redcyan);
 950         Cvar_RegisterVariable(&r_stereo_redgreen);
 951         Cvar_RegisterVariable(&r_stereo_angle);
 952         Cvar_RegisterVariable(&scr_zoomwindow);
 953         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 954         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 955         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 956         Cvar_RegisterVariable(&scr_stipple);
 957         Cvar_RegisterVariable(&scr_refresh);
 958         Cvar_RegisterVariable(&shownetgraph);
 959         Cvar_RegisterVariable(&cl_demo_mousegrab);
 960         Cvar_RegisterVariable(&timedemo_screenshotframelist);
 961         Cvar_RegisterVariable(&vid_touchscreen_outlinealpha);
 962         Cvar_RegisterVariable(&vid_touchscreen_overlayalpha);
 963
 964         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 965         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 966         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 967         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 968         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
 969
 970         SCR_CaptureVideo_Ogg_Init();
 971
 972         scr_initialized = true;
 973 }
 974
 975 /*
 976 ==================
 977 SCR_ScreenShot_f
 978 ==================
 979 */
 980 void SCR_ScreenShot_f (void)
 981 {
 982         static int shotnumber;
 983         static char old_prefix_name[MAX_QPATH];
 984         char prefix_name[MAX_QPATH];
 985         char filename[MAX_QPATH];
 986         unsigned char *buffer1;
 987         unsigned char *buffer2;
 988         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 989         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
 990
 991         if (Cmd_Argc() == 2)
 992         {
 993                 const char *ext;
 994                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
 995                 ext = FS_FileExtension(filename);
 996                 if (!strcasecmp(ext, "jpg"))
 997                 {
 998                         jpeg = true;
 999                         png = false;
1000                 }
1001                 else if (!strcasecmp(ext, "tga"))
1002                 {
1003                         jpeg = false;
1004                         png = false;
1005                 }
1006                 else if (!strcasecmp(ext, "png"))
1007                 {
1008                         jpeg = false;
1009                         png = true;
1010                 }
1011                 else
1012                 {
1013                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
1014                         return;
1015                 }
1016         }
1017         else
1018         {
1019                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1020                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1021                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
1022                 else
1023                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
1024
1025                 if (strcmp(old_prefix_name, prefix_name))
1026                 {
1027                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
1028                         shotnumber = 0;
1029                 }
1030
1031                 // find a file name to save it to
1032                 for (;shotnumber < 1000000;shotnumber++)
1033                         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)))
1034                                 break;
1035                 if (shotnumber >= 1000000)
1036                 {
1037                         Con_Print("Couldn't create the image file\n");
1038                         return;
1039                 }
1040
1041                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
1042         }
1043
1044         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1045         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
1046
1047         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer != 0))
1048                 Con_Printf("Wrote %s\n", filename);
1049         else
1050         {
1051                 Con_Printf("Unable to write %s\n", filename);
1052                 if(jpeg || png)
1053                 {
1054                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer != 0))
1055                         {
1056                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1057                                 Con_Printf("Wrote %s\n", filename);
1058                         }
1059                 }
1060         }
1061
1062         Mem_Free (buffer1);
1063         Mem_Free (buffer2);
1064
1065         shotnumber++;
1066 }
1067
1068 void SCR_CaptureVideo_BeginVideo(void)
1069 {
1070         double r, g, b;
1071         unsigned int i;
1072         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1073         if (cls.capturevideo.active)
1074                 return;
1075         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1076         // soundrate is figured out on the first SoundFrame
1077
1078         if(width == 0 && height != 0)
1079                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1080         if(width != 0 && height == 0)
1081                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1082
1083         if(width < 2 || width > vid.width) // can't scale up
1084                 width = vid.width;
1085         if(height < 2 || height > vid.height) // can't scale up
1086                 height = vid.height;
1087
1088         // ensure it's all even; if not, scale down a little
1089         if(width % 1)
1090                 --width;
1091         if(height % 1)
1092                 --height;
1093
1094         cls.capturevideo.width = width;
1095         cls.capturevideo.height = height;
1096         cls.capturevideo.active = true;
1097         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1098         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1099         cls.capturevideo.soundrate = S_GetSoundRate();
1100         cls.capturevideo.soundchannels = S_GetSoundChannels();
1101         cls.capturevideo.startrealtime = realtime;
1102         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1103         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1104         cls.capturevideo.soundsampleframe = 0;
1105         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1106         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1107         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1108         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1109         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1110
1111         /*
1112         for (i = 0;i < 256;i++)
1113         {
1114                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1115                 cls.capturevideo.rgbgammatable[0][i] = j;
1116                 cls.capturevideo.rgbgammatable[1][i] = j;
1117                 cls.capturevideo.rgbgammatable[2][i] = j;
1118         }
1119         */
1120 /*
1121 R = Y + 1.4075 * (Cr - 128);
1122 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1123 B = Y + 1.7790 * (Cb - 128);
1124 Y = R *  .299 + G *  .587 + B *  .114;
1125 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1126 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1127 */
1128
1129         if(WANT_SCREENSHOT_HWGAMMA)
1130         {
1131                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1132         }
1133         else
1134         {
1135                 // identity gamma table
1136                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1137                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1138                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1139         }
1140         if(scr_screenshot_gammaboost.value != 1)
1141         {
1142                 double igamma = 1 / scr_screenshot_gammaboost.value;
1143                 for (i = 0;i < 256 * 3;i++)
1144                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1145         }
1146
1147         for (i = 0;i < 256;i++)
1148         {
1149                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1150                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1151                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1152                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1153                 // Y weights from RGB
1154                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1155                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1156                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1157                 // Cb weights from RGB
1158                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1159                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1160                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1161                 // Cr weights from RGB
1162                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1163                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1164                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1165                 // range reduction of YCbCr to valid signal range
1166                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1167                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1168                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1169         }
1170
1171         if (cl_capturevideo_ogg.integer)
1172         {
1173                 if(SCR_CaptureVideo_Ogg_Available())
1174                 {
1175                         SCR_CaptureVideo_Ogg_BeginVideo();
1176                         return;
1177                 }
1178                 else
1179                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1180         }
1181
1182         SCR_CaptureVideo_Avi_BeginVideo();
1183 }
1184
1185 void SCR_CaptureVideo_EndVideo(void)
1186 {
1187         if (!cls.capturevideo.active)
1188                 return;
1189         cls.capturevideo.active = false;
1190
1191         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);
1192
1193         if (cls.capturevideo.videofile)
1194         {
1195                 cls.capturevideo.endvideo();
1196         }
1197
1198         if (cls.capturevideo.screenbuffer)
1199         {
1200                 Mem_Free (cls.capturevideo.screenbuffer);
1201                 cls.capturevideo.screenbuffer = NULL;
1202         }
1203
1204         if (cls.capturevideo.outbuffer)
1205         {
1206                 Mem_Free (cls.capturevideo.outbuffer);
1207                 cls.capturevideo.outbuffer = NULL;
1208         }
1209
1210         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1211 }
1212
1213 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1214 {
1215         // TODO optimize this function
1216
1217         int x, y;
1218         float area;
1219
1220         // memcpy is faster than me
1221         if(inw == outw && inh == outh)
1222         {
1223                 memcpy(out, in, 4 * inw * inh);
1224                 return;
1225         }
1226
1227         // otherwise: a box filter
1228         area = (float)outw * (float)outh / (float)inw / (float)inh;
1229         for(y = 0; y < outh; ++y)
1230         {
1231                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1232                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1233                 for(x = 0; x < outw; ++x)
1234                 {
1235                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1236                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1237                         float r = 0, g = 0, b = 0, alpha = 0;
1238                         int xx, yy;
1239
1240                         for(yy = iny0_i; yy < iny1_i; ++yy)
1241                         {
1242                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1243                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1244                                 {
1245                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1246                                         r += a * in[4*(xx + inw * yy)+0];
1247                                         g += a * in[4*(xx + inw * yy)+1];
1248                                         b += a * in[4*(xx + inw * yy)+2];
1249                                         alpha += a * in[4*(xx + inw * yy)+3];
1250                                 }
1251                         }
1252
1253                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1254                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1255                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1256                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1257                 }
1258         }
1259 }
1260
1261 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1262 {
1263         int x = 0, y = 0;
1264         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1265
1266         if(newframestepframenum == cls.capturevideo.framestepframe)
1267                 return;
1268
1269         CHECKGLERROR
1270         // speed is critical here, so do saving as directly as possible
1271
1272         GL_ReadPixelsBGRA(x, y, vid.width, vid.height, cls.capturevideo.screenbuffer);
1273
1274         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1275
1276         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1277         cls.capturevideo.framestepframe = newframestepframenum;
1278
1279         if(cl_capturevideo_printfps.integer)
1280         {
1281                 char buf[80];
1282                 double t = Sys_DoubleTime();
1283                 if(t > cls.capturevideo.lastfpstime + 1)
1284                 {
1285                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1286                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1287                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1288                         Sys_PrintToTerminal(buf);
1289                         cls.capturevideo.lastfpstime = t;
1290                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1291                 }
1292         }
1293 }
1294
1295 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1296 {
1297         cls.capturevideo.soundsampleframe += length;
1298         cls.capturevideo.soundframe(paintbuffer, length);
1299 }
1300
1301 void SCR_CaptureVideo(void)
1302 {
1303         int newframenum;
1304         if (cl_capturevideo.integer)
1305         {
1306                 if (!cls.capturevideo.active)
1307                         SCR_CaptureVideo_BeginVideo();
1308                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1309                 {
1310                         Con_Printf("You can not change the video framerate while recording a video.\n");
1311                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1312                 }
1313                 // for AVI saving we have to make sure that sound is saved before video
1314                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1315                         return;
1316                 if (cls.capturevideo.realtime)
1317                 {
1318                         // preserve sound sync by duplicating frames when running slow
1319                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1320                 }
1321                 else
1322                         newframenum = cls.capturevideo.frame + 1;
1323                 // if falling behind more than one second, stop
1324                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1325                 {
1326                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1327                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1328                         SCR_CaptureVideo_EndVideo();
1329                         return;
1330                 }
1331                 // write frames
1332                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1333                 cls.capturevideo.frame = newframenum;
1334                 if (cls.capturevideo.error)
1335                 {
1336                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1337                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1338                         SCR_CaptureVideo_EndVideo();
1339                 }
1340         }
1341         else if (cls.capturevideo.active)
1342                 SCR_CaptureVideo_EndVideo();
1343 }
1344
1345 /*
1346 ===============
1347 R_Envmap_f
1348
1349 Grab six views for environment mapping tests
1350 ===============
1351 */
1352 struct envmapinfo_s
1353 {
1354         float angles[3];
1355         const char *name;
1356         qboolean flipx, flipy, flipdiagonaly;
1357 }
1358 envmapinfo[12] =
1359 {
1360         {{  0,   0, 0}, "rt", false, false, false},
1361         {{  0, 270, 0}, "ft", false, false, false},
1362         {{  0, 180, 0}, "lf", false, false, false},
1363         {{  0,  90, 0}, "bk", false, false, false},
1364         {{-90, 180, 0}, "up",  true,  true, false},
1365         {{ 90, 180, 0}, "dn",  true,  true, false},
1366
1367         {{  0,   0, 0}, "px",  true,  true,  true},
1368         {{  0,  90, 0}, "py", false,  true, false},
1369         {{  0, 180, 0}, "nx", false, false,  true},
1370         {{  0, 270, 0}, "ny",  true, false, false},
1371         {{-90, 180, 0}, "pz", false, false,  true},
1372         {{ 90, 180, 0}, "nz", false, false,  true}
1373 };
1374
1375 static void R_Envmap_f (void)
1376 {
1377         int j, size;
1378         char filename[MAX_QPATH], basename[MAX_QPATH];
1379         unsigned char *buffer1;
1380         unsigned char *buffer2;
1381
1382         if (Cmd_Argc() != 3)
1383         {
1384                 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");
1385                 return;
1386         }
1387
1388         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1389         size = atoi(Cmd_Argv(2));
1390         if (size != 128 && size != 256 && size != 512 && size != 1024)
1391         {
1392                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1393                 return;
1394         }
1395         if (size > vid.width || size > vid.height)
1396         {
1397                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1398                 return;
1399         }
1400
1401         r_refdef.envmap = true;
1402
1403         R_UpdateVariables();
1404
1405         r_refdef.view.x = 0;
1406         r_refdef.view.y = 0;
1407         r_refdef.view.z = 0;
1408         r_refdef.view.width = size;
1409         r_refdef.view.height = size;
1410         r_refdef.view.depth = 1;
1411         r_refdef.view.useperspective = true;
1412         r_refdef.view.isoverlay = false;
1413
1414         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1415         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1416
1417         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1418         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1419
1420         for (j = 0;j < 12;j++)
1421         {
1422                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1423                 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);
1424                 r_refdef.view.quality = 1;
1425                 r_refdef.view.clear = true;
1426                 R_Mesh_Start();
1427                 R_RenderView();
1428                 R_Mesh_Finish();
1429                 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);
1430         }
1431
1432         Mem_Free (buffer1);
1433         Mem_Free (buffer2);
1434
1435         r_refdef.envmap = false;
1436 }
1437
1438 //=============================================================================
1439
1440 void SHOWLMP_decodehide(void)
1441 {
1442         int i;
1443         char *lmplabel;
1444         lmplabel = MSG_ReadString();
1445         for (i = 0;i < cl.num_showlmps;i++)
1446                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1447                 {
1448                         cl.showlmps[i].isactive = false;
1449                         return;
1450                 }
1451 }
1452
1453 void SHOWLMP_decodeshow(void)
1454 {
1455         int k;
1456         char lmplabel[256], picname[256];
1457         float x, y;
1458         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1459         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1460         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1461         {
1462                 x = MSG_ReadByte();
1463                 y = MSG_ReadByte();
1464         }
1465         else
1466         {
1467                 x = MSG_ReadShort();
1468                 y = MSG_ReadShort();
1469         }
1470         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1471         {
1472                 showlmp_t *oldshowlmps = cl.showlmps;
1473                 cl.max_showlmps += 16;
1474                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1475                 if (cl.num_showlmps)
1476                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1477                 if (oldshowlmps)
1478                         Mem_Free(oldshowlmps);
1479         }
1480         for (k = 0;k < cl.max_showlmps;k++)
1481                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1482                         break;
1483         if (k == cl.max_showlmps)
1484                 for (k = 0;k < cl.max_showlmps;k++)
1485                         if (!cl.showlmps[k].isactive)
1486                                 break;
1487         cl.showlmps[k].isactive = true;
1488         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1489         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1490         cl.showlmps[k].x = x;
1491         cl.showlmps[k].y = y;
1492         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1493 }
1494
1495 void SHOWLMP_drawall(void)
1496 {
1497         int i;
1498         for (i = 0;i < cl.num_showlmps;i++)
1499                 if (cl.showlmps[i].isactive)
1500                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic_Flags (cl.showlmps[i].pic, CACHEPICFLAG_NOTPERSISTENT), 0, 0, 1, 1, 1, 1, 0);
1501 }
1502
1503 /*
1504 ==============================================================================
1505
1506                                                 SCREEN SHOTS
1507
1508 ==============================================================================
1509 */
1510
1511 // buffer1: 4*w*h
1512 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1513 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)
1514 {
1515         int     indices[4] = {0,1,2,3}; // BGRA
1516         qboolean ret;
1517
1518         GL_ReadPixelsBGRA(x, y, width, height, buffer1);
1519
1520         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1521         {
1522                 int i;
1523                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1524                 unsigned short vidramp[256 * 3];
1525                 if(WANT_SCREENSHOT_HWGAMMA)
1526                 {
1527                         VID_BuildGammaTables(&vidramp[0], 256);
1528                 }
1529                 else
1530                 {
1531                         // identity gamma table
1532                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1533                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1534                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1535                 }
1536                 if(scr_screenshot_gammaboost.value != 1)
1537                 {
1538                         for (i = 0;i < 256 * 3;i++)
1539                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1540                 }
1541                 for (i = 0;i < width*height*4;i += 4)
1542                 {
1543                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1544                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1545                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1546                         // A
1547                 }
1548         }
1549
1550         if(keep_alpha && !jpeg)
1551         {
1552                 if(!png)
1553                         flipy = !flipy; // TGA: not preflipped
1554                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1555                 if (png)
1556                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1557                 else
1558                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1559         }
1560         else
1561         {
1562                 if(jpeg)
1563                 {
1564                         indices[0] = 2;
1565                         indices[2] = 0; // RGB
1566                 }
1567                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1568                 if (jpeg)
1569                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1570                 else if (png)
1571                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1572                 else
1573                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1574         }
1575
1576         return ret;
1577 }
1578
1579 //=============================================================================
1580
1581 int scr_numtouchscreenareas;
1582 scr_touchscreenarea_t scr_touchscreenareas[16];
1583
1584 static void SCR_DrawTouchscreenOverlay(void)
1585 {
1586         int i;
1587         scr_touchscreenarea_t *a;
1588         cachepic_t *pic;
1589         for (i = 0, a = scr_touchscreenareas;i < scr_numtouchscreenareas;i++, a++)
1590         {
1591                 if (vid_touchscreen_outlinealpha.value > 0 && a->rect[0] >= 0 && a->rect[1] >= 0 && a->rect[2] >= 4 && a->rect[3] >= 4)
1592                 {
1593                         DrawQ_Fill(a->rect[0] +              2, a->rect[1]                 , a->rect[2] - 4,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1594                         DrawQ_Fill(a->rect[0] +              1, a->rect[1] +              1, a->rect[2] - 2,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1595                         DrawQ_Fill(a->rect[0]                 , a->rect[1] +              2,          2    , a->rect[3] - 2, 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1596                         DrawQ_Fill(a->rect[0] + a->rect[2] - 2, a->rect[1] +              2,          2    , a->rect[3] - 2, 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1597                         DrawQ_Fill(a->rect[0] +              1, a->rect[1] + a->rect[3] - 2, a->rect[2] - 2,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1598                         DrawQ_Fill(a->rect[0] +              2, a->rect[1] + a->rect[3] - 1, a->rect[2] - 4,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1599                 }
1600                 pic = a->pic ? Draw_CachePic(a->pic) : NULL;
1601                 if (pic && pic->tex != r_texture_notexture)
1602                         DrawQ_Pic(a->rect[0], a->rect[1], Draw_CachePic(a->pic), a->rect[2], a->rect[3], 1, 1, 1, vid_touchscreen_overlayalpha.value * (0.5f + 0.5f * a->active), 0);
1603         }
1604 }
1605
1606 extern void R_UpdateFogColor(void);
1607 void R_ClearScreen(qboolean fogcolor)
1608 {
1609         float clearcolor[4];
1610         // clear to black
1611         Vector4Clear(clearcolor);
1612         if (fogcolor)
1613         {
1614                 R_UpdateFogColor();
1615                 VectorCopy(r_refdef.fogcolor, clearcolor);
1616         }
1617         // clear depth is 1.0
1618         // LordHavoc: we use a stencil centered around 128 instead of 0,
1619         // to avoid clamping interfering with strange shadow volume
1620         // drawing orders
1621         // clear the screen
1622         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 128);
1623 }
1624
1625 qboolean CL_VM_UpdateView (void);
1626 void SCR_DrawConsole (void);
1627 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1628
1629 int r_stereo_side;
1630
1631 extern void Sbar_ShowFPS(void);
1632 void SCR_DrawScreen (void)
1633 {
1634         Draw_Frame();
1635
1636         R_Mesh_Start();
1637
1638         R_UpdateVariables();
1639
1640         // Quake uses clockwise winding, so these are swapped
1641         r_refdef.view.cullface_front = GL_BACK;
1642         r_refdef.view.cullface_back = GL_FRONT;
1643
1644         if (cls.signon == SIGNONS)
1645         {
1646                 float size;
1647
1648                 size = scr_viewsize.value * (1.0 / 100.0);
1649                 size = min(size, 1);
1650
1651                 if (r_stereo_sidebyside.integer)
1652                 {
1653                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1654                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1655                         r_refdef.view.depth = 1;
1656                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1657                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1658                         r_refdef.view.z = 0;
1659                         if (r_stereo_side)
1660                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1661                 }
1662                 else if (r_stereo_horizontal.integer)
1663                 {
1664                         r_refdef.view.width = (int)(vid.width * size / 2);
1665                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1666                         r_refdef.view.depth = 1;
1667                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.0)/2);
1668                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1669                         r_refdef.view.z = 0;
1670                         if (r_stereo_side)
1671                                 r_refdef.view.x += (int)(r_refdef.view.width);
1672                 }
1673                 else if (r_stereo_vertical.integer)
1674                 {
1675                         r_refdef.view.width = (int)(vid.width * size);
1676                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100) / 2);
1677                         r_refdef.view.depth = 1;
1678                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1679                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height * 2.0)/2);
1680                         r_refdef.view.z = 0;
1681                         if (r_stereo_side)
1682                                 r_refdef.view.y += (int)(r_refdef.view.height);
1683                 }
1684                 else
1685                 {
1686                         r_refdef.view.width = (int)(vid.width * size);
1687                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1688                         r_refdef.view.depth = 1;
1689                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1690                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1691                         r_refdef.view.z = 0;
1692                 }
1693
1694                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1695                 // LordHavoc: this is designed to produce widescreen fov values
1696                 // when the screen is wider than 4/3 width/height aspect, to do
1697                 // this it simply assumes the requested fov is the vertical fov
1698                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1699                 // higher/lower according to the ratio
1700                 r_refdef.view.useperspective = true;
1701                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1702                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1703
1704                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1705                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1706
1707                 if(!CL_VM_UpdateView())
1708                         R_RenderView();
1709
1710                 if (scr_zoomwindow.integer)
1711                 {
1712                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1713                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1714                         r_refdef.view.width = (int)(vid.width * sizex);
1715                         r_refdef.view.height = (int)(vid.height * sizey);
1716                         r_refdef.view.depth = 1;
1717                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1718                         r_refdef.view.y = 0;
1719                         r_refdef.view.z = 0;
1720
1721                         r_refdef.view.useperspective = true;
1722                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1723                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1724
1725                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1726                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1727
1728                         if(!CL_VM_UpdateView())
1729                                 R_RenderView();
1730                 }
1731         }
1732
1733         if (!r_stereo_sidebyside.integer && !r_stereo_horizontal.integer && !r_stereo_vertical.integer)
1734         {
1735                 r_refdef.view.width = vid.width;
1736                 r_refdef.view.height = vid.height;
1737                 r_refdef.view.depth = 1;
1738                 r_refdef.view.x = 0;
1739                 r_refdef.view.y = 0;
1740                 r_refdef.view.z = 0;
1741                 r_refdef.view.useperspective = false;
1742         }
1743
1744         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1745         {
1746                 const char *t;
1747                 int framenum;
1748                 t = timedemo_screenshotframelist.string;
1749                 while (*t)
1750                 {
1751                         while (*t == ' ')
1752                                 t++;
1753                         if (!*t)
1754                                 break;
1755                         framenum = atof(t);
1756                         if (framenum == cls.td_frames)
1757                                 break;
1758                         while (*t && *t != ' ')
1759                                 t++;
1760                 }
1761                 if (*t)
1762                 {
1763                         // we need to take a screenshot of this frame...
1764                         char filename[MAX_QPATH];
1765                         unsigned char *buffer1;
1766                         unsigned char *buffer2;
1767                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1768                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1769                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1770                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1771                         Mem_Free(buffer1);
1772                         Mem_Free(buffer2);
1773                 }
1774         }
1775
1776         // draw 2D stuff
1777         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1778                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1779                         Con_DrawNotify ();      // only draw notify in game
1780
1781         if (cls.signon == SIGNONS)
1782         {
1783                 SCR_DrawNet ();
1784                 SCR_DrawTurtle ();
1785                 SCR_DrawPause ();
1786                 if (!r_letterbox.value)
1787                         Sbar_Draw();
1788                 Sbar_ShowFPS();
1789                 SHOWLMP_drawall();
1790                 SCR_CheckDrawCenterString();
1791         }
1792         SCR_DrawNetGraph ();
1793         MR_Draw();
1794         CL_DrawVideo();
1795         R_Shadow_EditLights_DrawSelectedLightProperties();
1796
1797         SCR_DrawConsole();
1798
1799         SCR_DrawBrand();
1800
1801         SCR_DrawInfobar();
1802
1803         SCR_DrawTouchscreenOverlay();
1804
1805         if (r_timereport_active)
1806                 R_TimeReport("2d");
1807
1808         if (cls.signon == SIGNONS)
1809         {
1810                 R_TimeReport_EndFrame();
1811                 R_TimeReport_BeginFrame();
1812         }
1813
1814         DrawQ_Finish();
1815
1816         R_DrawGamma();
1817
1818         R_Mesh_Finish();
1819 }
1820
1821 typedef struct loadingscreenstack_s
1822 {
1823         struct loadingscreenstack_s *prev;
1824         char msg[MAX_QPATH];
1825         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1826         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1827         float relative_completion; // 0 .. 1
1828 }
1829 loadingscreenstack_t;
1830 static loadingscreenstack_t *loadingscreenstack = NULL;
1831 static qboolean loadingscreendone = false;
1832 static qboolean loadingscreencleared = false;
1833 static float loadingscreenheight = 0;
1834 rtexture_t *loadingscreentexture = NULL;
1835 static float loadingscreentexture_vertex3f[12];
1836 static float loadingscreentexture_texcoord2f[8];
1837 static int loadingscreenpic_number = 0;
1838
1839 static void SCR_ClearLoadingScreenTexture(void)
1840 {
1841         if(loadingscreentexture)
1842                 R_FreeTexture(loadingscreentexture);
1843         loadingscreentexture = NULL;
1844 }
1845
1846 extern rtexturepool_t *r_main_texturepool;
1847 static void SCR_SetLoadingScreenTexture(void)
1848 {
1849         int w, h;
1850         float loadingscreentexture_w;
1851         float loadingscreentexture_h;
1852
1853         SCR_ClearLoadingScreenTexture();
1854
1855         if (vid.support.arb_texture_non_power_of_two)
1856         {
1857                 w = vid.width; h = vid.height;
1858                 loadingscreentexture_w = loadingscreentexture_h = 1;
1859         }
1860         else
1861         {
1862                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1863                 loadingscreentexture_w = vid.width / (float) w;
1864                 loadingscreentexture_h = vid.height / (float) h;
1865         }
1866
1867         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
1868         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1869
1870         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1871         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1872         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1873         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1874         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1875         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1876         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1877         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1878         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1879 }
1880
1881 void SCR_UpdateLoadingScreenIfShown(void)
1882 {
1883         if(loadingscreendone)
1884                 SCR_UpdateLoadingScreen(loadingscreencleared);
1885 }
1886
1887 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1888 {
1889         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1890         s->prev = loadingscreenstack;
1891         loadingscreenstack = s;
1892
1893         strlcpy(s->msg, msg, sizeof(s->msg));
1894         s->relative_completion = 0;
1895
1896         if(s->prev)
1897         {
1898                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1899                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1900                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1901                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1902         }
1903         else
1904         {
1905                 s->absolute_loading_amount_min = 0;
1906                 s->absolute_loading_amount_len = 1;
1907         }
1908
1909         if(redraw)
1910                 SCR_UpdateLoadingScreenIfShown();
1911 }
1912
1913 void SCR_PopLoadingScreen (qboolean redraw)
1914 {
1915         loadingscreenstack_t *s = loadingscreenstack;
1916
1917         if(!s)
1918         {
1919                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1920                 return;
1921         }
1922
1923         loadingscreenstack = s->prev;
1924         if(s->prev)
1925                 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;
1926         Z_Free(s);
1927
1928         if(redraw)
1929                 SCR_UpdateLoadingScreenIfShown();
1930 }
1931
1932 void SCR_ClearLoadingScreen (qboolean redraw)
1933 {
1934         while(loadingscreenstack)
1935                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1936 }
1937
1938 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1939 {
1940         float x;
1941         size_t len;
1942         float total;
1943
1944         total = 0;
1945 #if 0
1946         if(s)
1947         {
1948                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1949                 y -= total;
1950                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1951                 {
1952                         len = strlen(s->msg);
1953                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1954                         y -= size;
1955                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1956                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1957                         total += size;
1958                 }
1959         }
1960 #else
1961         if(s)
1962         {
1963                 len = strlen(s->msg);
1964                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1965                 y -= size;
1966                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1967                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1968                 total += size;
1969         }
1970 #endif
1971         return total;
1972 }
1973
1974 static void SCR_DrawLoadingStack(void)
1975 {
1976         float verts[12];
1977         float colors[16];
1978
1979         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1980         if(loadingscreenstack)
1981         {
1982                 // height = 32; // sorry, using the actual one is ugly
1983                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1984                 GL_DepthRange(0, 1);
1985                 GL_PolygonOffset(0, 0);
1986                 GL_DepthTest(false);
1987 //              R_Mesh_ResetTextureState();
1988                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1989                 verts[0] = verts[9] = 0;
1990                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1991                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1992                 verts[7] = verts[10] = vid_conheight.integer;
1993
1994 #if _MSC_VER >= 1400
1995 #define sscanf sscanf_s
1996 #endif
1997                 //                                        ^^^^^^^^^^ blue component
1998                 //                              ^^^^^^ bottom row
1999                 //          ^^^^^^^^^^^^ alpha is always on
2000                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
2001                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
2002                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
2003                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
2004
2005                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
2006                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
2007                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2008
2009                 // make sure everything is cleared, including the progress indicator
2010                 if(loadingscreenheight < 8)
2011                         loadingscreenheight = 8;
2012         }
2013 }
2014
2015 static cachepic_t *loadingscreenpic;
2016 static float loadingscreenpic_vertex3f[12];
2017 static float loadingscreenpic_texcoord2f[8];
2018
2019 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
2020 {
2021         r_viewport_t viewport;
2022         float x, y, w, h, sw, sh, f;
2023         // release mouse grab while loading
2024         if (!vid.fullscreen)
2025                 VID_SetMouse(false, false, false);
2026 //      CHECKGLERROR
2027         r_refdef.draw2dstage = true;
2028         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2029         R_SetViewport(&viewport);
2030         GL_ColorMask(1,1,1,1);
2031         // when starting up a new video mode, make sure the screen is cleared to black
2032         if (clear || loadingscreentexture)
2033                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
2034         R_Textures_Frame();
2035         R_Mesh_Start();
2036         R_EntityMatrix(&identitymatrix);
2037         // draw the loading plaque
2038         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
2039
2040         w = loadingscreenpic->width;
2041         h = loadingscreenpic->height;
2042
2043         // apply scale
2044         w *= scr_loadingscreen_scale.value;
2045         h *= scr_loadingscreen_scale.value;
2046
2047         // apply scale base
2048         if(scr_loadingscreen_scale_base.integer)
2049         {
2050                 w *= vid_conwidth.integer / (float) vid.width;
2051                 h *= vid_conheight.integer / (float) vid.height;
2052         }
2053
2054         // apply scale limit
2055         sw = w / vid_conwidth.integer;
2056         sh = h / vid_conheight.integer;
2057         f = 1;
2058         switch(scr_loadingscreen_scale_limit.integer)
2059         {
2060                 case 1:
2061                         f = max(sw, sh);
2062                         break;
2063                 case 2:
2064                         f = min(sw, sh);
2065                         break;
2066                 case 3:
2067                         f = sw;
2068                         break;
2069                 case 4:
2070                         f = sh;
2071                         break;
2072         }
2073         if(f > 1)
2074         {
2075                 w /= f;
2076                 h /= f;
2077         }
2078
2079         x = (vid_conwidth.integer - w)/2;
2080         y = (vid_conheight.integer - h)/2;
2081         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
2082         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
2083         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
2084         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + w;
2085         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + h;
2086         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
2087         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
2088         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
2089         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
2090 }
2091
2092 static void SCR_DrawLoadingScreen (qboolean clear)
2093 {
2094         // we only need to draw the image if it isn't already there
2095         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2096         GL_DepthRange(0, 1);
2097         GL_PolygonOffset(0, 0);
2098         GL_DepthTest(false);
2099 //      R_Mesh_ResetTextureState();
2100         GL_Color(1,1,1,1);
2101         if(loadingscreentexture)
2102         {
2103                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
2104                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
2105                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2106         }
2107         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
2108         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
2109         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2110         SCR_DrawLoadingStack();
2111 }
2112
2113 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
2114 {
2115         R_Mesh_Finish();
2116         // refresh
2117         VID_Finish();
2118 }
2119
2120 void SCR_UpdateLoadingScreen (qboolean clear)
2121 {
2122         keydest_t       old_key_dest;
2123         int                     old_key_consoleactive;
2124
2125         // don't do anything if not initialized yet
2126         if (vid_hidden || cls.state == ca_dedicated)
2127                 return;
2128
2129         if(!scr_loadingscreen_background.integer)
2130                 clear = true;
2131
2132         if(loadingscreendone)
2133                 clear |= loadingscreencleared;
2134
2135         if(!loadingscreendone)
2136                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2137
2138         if(clear)
2139                 SCR_ClearLoadingScreenTexture();
2140         else if(!loadingscreendone)
2141                 SCR_SetLoadingScreenTexture();
2142
2143         if(!loadingscreendone)
2144         {
2145                 loadingscreendone = true;
2146                 loadingscreenheight = 0;
2147         }
2148         loadingscreencleared = clear;
2149
2150         if (qglDrawBuffer)
2151                 qglDrawBuffer(GL_BACK);
2152         SCR_DrawLoadingScreen_SharedSetup(clear);
2153         if (vid.stereobuffer)
2154         {
2155                 qglDrawBuffer(GL_BACK_LEFT);
2156                 SCR_DrawLoadingScreen(clear);
2157                 qglDrawBuffer(GL_BACK_RIGHT);
2158                 SCR_DrawLoadingScreen(clear);
2159         }
2160         else
2161         {
2162                 if (qglDrawBuffer)
2163                         qglDrawBuffer(GL_BACK);
2164                 SCR_DrawLoadingScreen(clear);
2165         }
2166         SCR_DrawLoadingScreen_SharedFinish(clear);
2167
2168         // this goes into the event loop, and should prevent unresponsive cursor on vista
2169         old_key_dest = key_dest;
2170         old_key_consoleactive = key_consoleactive;
2171         key_dest = key_void;
2172         key_consoleactive = false;
2173         Key_EventQueue_Block(); Sys_SendKeyEvents();
2174         key_dest = old_key_dest;
2175         key_consoleactive = old_key_consoleactive;
2176 }
2177
2178 qboolean R_Stereo_ColorMasking(void)
2179 {
2180         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2181 }
2182
2183 qboolean R_Stereo_Active(void)
2184 {
2185         return (vid.stereobuffer || r_stereo_sidebyside.integer || r_stereo_horizontal.integer || r_stereo_vertical.integer || R_Stereo_ColorMasking());
2186 }
2187
2188 extern cvar_t cl_minfps;
2189 extern cvar_t cl_minfps_fade;
2190 extern cvar_t cl_minfps_qualitymax;
2191 extern cvar_t cl_minfps_qualitymin;
2192 extern cvar_t cl_minfps_qualitypower;
2193 extern cvar_t cl_minfps_qualityscale;
2194 static double cl_updatescreen_rendertime = 0;
2195 static double cl_updatescreen_quality = 1;
2196 extern void Sbar_ShowFPS_Update(void);
2197 void CL_UpdateScreen(void)
2198 {
2199         vec3_t vieworigin;
2200         double rendertime1;
2201         float conwidth, conheight;
2202         float f;
2203         r_viewport_t viewport;
2204
2205         Sbar_ShowFPS_Update();
2206
2207         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2208                 return;                         // not initialized yet
2209
2210         loadingscreendone = false;
2211
2212         if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2213         {
2214                 // play a bit with the palette (experimental)
2215                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2216                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2217                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2218                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2219                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2220                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2221                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2222                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2223         }
2224
2225         if (vid_hidden)
2226         {
2227                 VID_Finish();
2228                 return;
2229         }
2230
2231         rendertime1 = Sys_DoubleTime();
2232
2233         conwidth = bound(160, vid_conwidth.value, 32768);
2234         conheight = bound(90, vid_conheight.value, 24576);
2235         if (vid_conwidth.value != conwidth)
2236                 Cvar_SetValue("vid_conwidth", conwidth);
2237         if (vid_conheight.value != conheight)
2238                 Cvar_SetValue("vid_conheight", conheight);
2239
2240         // bound viewsize
2241         if (scr_viewsize.value < 30)
2242                 Cvar_Set ("viewsize","30");
2243         if (scr_viewsize.value > 120)
2244                 Cvar_Set ("viewsize","120");
2245
2246         // bound field of view
2247         if (scr_fov.value < 1)
2248                 Cvar_Set ("fov","1");
2249         if (scr_fov.value > 170)
2250                 Cvar_Set ("fov","170");
2251
2252         // intermission is always full screen
2253         if (cl.intermission)
2254                 sb_lines = 0;
2255         else
2256         {
2257                 if (scr_viewsize.value >= 120)
2258                         sb_lines = 0;           // no status bar at all
2259                 else if (scr_viewsize.value >= 110)
2260                         sb_lines = 24;          // no inventory
2261                 else
2262                         sb_lines = 24+16+8;
2263         }
2264
2265         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, vieworigin);
2266         R_HDR_UpdateIrisAdaptation(vieworigin);
2267
2268         r_refdef.view.colormask[0] = 1;
2269         r_refdef.view.colormask[1] = 1;
2270         r_refdef.view.colormask[2] = 1;
2271
2272         SCR_SetUpToDrawConsole();
2273
2274         if (qglDrawBuffer)
2275         {
2276                 CHECKGLERROR
2277                 qglDrawBuffer(GL_BACK);CHECKGLERROR
2278                 // set dithering mode
2279                 if (gl_dither.integer)
2280                 {
2281                         qglEnable(GL_DITHER);CHECKGLERROR
2282                 }
2283                 else
2284                 {
2285                         qglDisable(GL_DITHER);CHECKGLERROR
2286                 }
2287         }
2288
2289         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2290         R_SetViewport(&viewport);
2291         GL_ScissorTest(false);
2292         GL_ColorMask(1,1,1,1);
2293         GL_DepthMask(true);
2294
2295         R_ClearScreen(false);
2296         r_refdef.view.clear = false;
2297         r_refdef.view.isoverlay = false;
2298         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2299         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2300
2301         if (qglPolygonStipple)
2302         {
2303                 if(scr_stipple.integer)
2304                 {
2305                         GLubyte stipple[128];
2306                         int i, s, width, parts;
2307                         static int frame = 0;
2308                         ++frame;
2309
2310                         s = scr_stipple.integer;
2311                         parts = (s & 007);
2312                         width = (s & 070) >> 3;
2313
2314                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2315                         for(i = 0; i < 128; ++i)
2316                         {
2317                                 int line = i/4;
2318                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2319                         }
2320                         qglPolygonStipple(stipple);CHECKGLERROR
2321                 }
2322                 else
2323                 {
2324                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2325                 }
2326         }
2327
2328         if (R_Stereo_Active())
2329         {
2330                 r_stereo_side = 0;
2331
2332                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2333                 {
2334                         r_refdef.view.colormask[0] = 1;
2335                         r_refdef.view.colormask[1] = 0;
2336                         r_refdef.view.colormask[2] = 0;
2337                 }
2338
2339                 if (vid.stereobuffer)
2340                         qglDrawBuffer(GL_BACK_RIGHT);
2341
2342                 SCR_DrawScreen();
2343
2344                 r_stereo_side = 1;
2345
2346                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2347                 {
2348                         r_refdef.view.colormask[0] = 0;
2349                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2350                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2351                 }
2352
2353                 if (vid.stereobuffer)
2354                         qglDrawBuffer(GL_BACK_LEFT);
2355
2356                 SCR_DrawScreen();
2357         }
2358         else
2359                 SCR_DrawScreen();
2360
2361         SCR_CaptureVideo();
2362
2363         if (qglFlush)
2364                 qglFlush(); // FIXME: should we really be using qglFlush here?
2365
2366         // quality adjustment according to render time
2367         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2368         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2369                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2370         else
2371                 cl_updatescreen_quality = 1;
2372
2373         if (!vid_activewindow)
2374                 VID_SetMouse(false, false, false);
2375         else if (key_consoleactive)
2376                 VID_SetMouse(vid.fullscreen, false, false);
2377         else if (key_dest == key_menu_grabbed)
2378                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2379         else if (key_dest == key_menu)
2380                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2381         else
2382                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && cl_prydoncursor.integer <= 0 && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2383
2384         VID_Finish();
2385 }
2386
2387 void CL_Screen_NewMap(void)
2388 {
2389 }