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_count = {0, "scr_loadingscreen_count","1", "number of loading screen files to use randomly (named loading.tga, loading2.tga, loading3.tga, ...)"};
  39 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
  40 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "a height loadingscreen progress bar"};
  41 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
  42 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
  43 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)"};
  44 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
  45 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
  46 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
  47 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
  48 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
  49 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
  50 // scr_screenshot_name is defined in fs.c
  51 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)"};
  52 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)"};
  53 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
  54 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
  55 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"};
  56 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)"};
  57 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
  58 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
  59 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
  60 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)"};
  61 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)"};
  62 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)"};
  63 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)"};
  64 cvar_t r_stereo_horizontal = {0, "r_stereo_horizontal", "0", "aspect skewed side by side view for special decoder/display hardware"};
  65 cvar_t r_stereo_vertical = {0, "r_stereo_vertical", "0", "aspect skewed top and bottom view for special decoder/display hardware"};
  66 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)"};
  67 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"};
  68 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  69 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)"};
  70 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
  71 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
  72 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
  73 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
  74 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
  75 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  76 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"};
  77 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)"};
  78 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)"};
  79 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"};
  80
  81 extern cvar_t v_glslgamma;
  82 extern cvar_t sbar_info_pos;
  83 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
  84
  85 int jpeg_supported = false;
  86
  87 qboolean        scr_initialized;                // ready to draw
  88
  89 float           scr_con_current;
  90 int                     scr_con_margin_bottom;
  91
  92 extern int      con_vislines;
  93
  94 static void SCR_ScreenShot_f (void);
  95 static void R_Envmap_f (void);
  96
  97 // backend
  98 void R_ClearScreen(qboolean fogcolor);
  99
 100 /*
 101 ===============================================================================
 102
 103 CENTER PRINTING
 104
 105 ===============================================================================
 106 */
 107
 108 char            scr_centerstring[MAX_INPUTLINE];
 109 float           scr_centertime_start;   // for slow victory printing
 110 float           scr_centertime_off;
 111 int                     scr_center_lines;
 112 int                     scr_erase_lines;
 113 int                     scr_erase_center;
 114 char        scr_infobarstring[MAX_INPUTLINE];
 115 float       scr_infobartime_off;
 116
 117 /*
 118 ==============
 119 SCR_CenterPrint
 120
 121 Called for important messages that should stay in the center of the screen
 122 for a few moments
 123 ==============
 124 */
 125 void SCR_CenterPrint(const char *str)
 126 {
 127         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
 128         scr_centertime_off = scr_centertime.value;
 129         scr_centertime_start = cl.time;
 130
 131 // count the number of lines for centering
 132         scr_center_lines = 1;
 133         while (*str)
 134         {
 135                 if (*str == '\n')
 136                         scr_center_lines++;
 137                 str++;
 138         }
 139 }
 140
 141
 142 void SCR_DrawCenterString (void)
 143 {
 144         char    *start;
 145         int             x, y;
 146         int             remaining;
 147         int             color;
 148
 149         if(cl.intermission == 2) // in finale,
 150                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 151                         return;
 152
 153         if(scr_centertime.value <= 0 && !cl.intermission)
 154                 return;
 155
 156 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 157         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 158                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 159         else
 160                 remaining = 9999;
 161
 162         scr_erase_center = 0;
 163         start = scr_centerstring;
 164
 165         if (remaining < 1)
 166                 return;
 167
 168         if (scr_center_lines <= 4)
 169                 y = (int)(vid_conheight.integer*0.35);
 170         else
 171                 y = 48;
 172
 173         color = -1;
 174         do
 175         {
 176                 // scan the number of characters on the line, not counting color codes
 177                 char *newline = strchr(start, '\n');
 178                 int l = newline ? (newline - start) : (int)strlen(start);
 179                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
 180
 181                 x = (int) (vid_conwidth.integer - width)/2;
 182                 if (l > 0)
 183                 {
 184                         if (remaining < l)
 185                                 l = remaining;
 186                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 187                         remaining -= l;
 188                         if (remaining <= 0)
 189                                 return;
 190                 }
 191                 y += 8;
 192
 193                 if (!newline)
 194                         break;
 195                 start = newline + 1; // skip the \n
 196         } while (1);
 197 }
 198
 199 void SCR_CheckDrawCenterString (void)
 200 {
 201         if (scr_center_lines > scr_erase_lines)
 202                 scr_erase_lines = scr_center_lines;
 203
 204         if (cl.time > cl.oldtime)
 205                 scr_centertime_off -= cl.time - cl.oldtime;
 206
 207         // don't draw if this is a normal stats-screen intermission,
 208         // only if it is not an intermission, or a finale intermission
 209         if (cl.intermission == 1)
 210                 return;
 211         if (scr_centertime_off <= 0 && !cl.intermission)
 212                 return;
 213         if (key_dest != key_game)
 214                 return;
 215
 216         SCR_DrawCenterString ();
 217 }
 218
 219 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
 220 {
 221         netgraphitem_t *graph;
 222         int j, x, y, numlines;
 223         int totalbytes = 0;
 224         char bytesstring[128];
 225         float g[NETGRAPH_PACKETS][6];
 226         float *a;
 227         float *b;
 228         float vertex3f[(NETGRAPH_PACKETS+2)*5*2*3];
 229         float color4f[(NETGRAPH_PACKETS+2)*5*2*4];
 230         float *v;
 231         float *c;
 232         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
 233         // draw the bar graph itself
 234         // advance the packet counter because it is the latest packet column being
 235         // built up and should come last
 236         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 237         memset(g, 0, sizeof(g));
 238         for (j = 0;j < NETGRAPH_PACKETS;j++)
 239         {
 240                 graph = netgraph + j;
 241                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
 242                 g[j][1] = 1.0f;
 243                 g[j][2] = 1.0f;
 244                 g[j][3] = 1.0f;
 245                 g[j][4] = 1.0f;
 246                 g[j][5] = 1.0f;
 247                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
 248                         g[j][1] = 0.00f;
 249                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
 250                         g[j][2] = 0.96f;
 251                 else
 252                 {
 253                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
 254                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
 255                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
 256                         // count bytes in the last second
 257                         if (realtime - graph->time < 1.0f)
 258                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
 259                 }
 260                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
 261                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
 262                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
 263                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
 264                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
 265         }
 266         // render the lines for the graph
 267         numlines = 0;
 268         v = vertex3f;
 269         c = color4f;
 270         for (j = 0;j < NETGRAPH_PACKETS;j++)
 271         {
 272                 a = g[j];
 273                 b = g[(j+1)%NETGRAPH_PACKETS];
 274                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
 275                         continue;
 276                 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;
 277                 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;
 278
 279                 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;
 280                 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;
 281
 282                 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;
 283                 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;
 284
 285                 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;
 286                 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;
 287
 288                 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;
 289                 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;
 290
 291                 numlines += 5;
 292         }
 293         if (numlines > 0)
 294                 DrawQ_Lines(0.0f, numlines, vertex3f, color4f, 0);
 295         x = graphx;
 296         y = graphy + graphheight;
 297         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
 298         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 299         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 300 }
 301
 302 /*
 303 ==============
 304 SCR_DrawNetGraph
 305 ==============
 306 */
 307 void SCR_DrawNetGraph (void)
 308 {
 309         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 310         float graphscale;
 311         netconn_t *c;
 312
 313         if (cls.state != ca_connected)
 314                 return;
 315         if (!cls.netcon)
 316                 return;
 317         if (!shownetgraph.integer)
 318                 return;
 319
 320         separator1 = 2;
 321         separator2 = 4;
 322         textsize = 8;
 323         graphwidth = 120;
 324         graphheight = 70;
 325         graphscale = 1.0f / 1500.0f;
 326
 327         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
 328         netgraphsperrow = max(netgraphsperrow, 1);
 329
 330         index = 0;
 331         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 332         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 333         c = cls.netcon;
 334         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
 335         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 336         index++;
 337
 338         if (sv.active && shownetgraph.integer >= 2)
 339         {
 340                 for (i = 0;i < svs.maxclients;i++)
 341                 {
 342                         c = svs.clients[i].netconnection;
 343                         if (!c)
 344                                 continue;
 345                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 346                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 347                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 348                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
 349                         index++;
 350                 }
 351         }
 352 }
 353
 354 /*
 355 ==============
 356 SCR_DrawTurtle
 357 ==============
 358 */
 359 void SCR_DrawTurtle (void)
 360 {
 361         static int      count;
 362
 363         if (cls.state != ca_connected)
 364                 return;
 365
 366         if (!scr_showturtle.integer)
 367                 return;
 368
 369         if (cl.realframetime < 0.1)
 370         {
 371                 count = 0;
 372                 return;
 373         }
 374
 375         count++;
 376         if (count < 3)
 377                 return;
 378
 379         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
 380 }
 381
 382 /*
 383 ==============
 384 SCR_DrawNet
 385 ==============
 386 */
 387 void SCR_DrawNet (void)
 388 {
 389         if (cls.state != ca_connected)
 390                 return;
 391         if (realtime - cl.last_received_message < 0.3)
 392                 return;
 393         if (cls.demoplayback)
 394                 return;
 395
 396         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
 397 }
 398
 399 /*
 400 ==============
 401 DrawPause
 402 ==============
 403 */
 404 void SCR_DrawPause (void)
 405 {
 406         cachepic_t      *pic;
 407
 408         if (cls.state != ca_connected)
 409                 return;
 410
 411         if (!scr_showpause.integer)             // turn off for screenshots
 412                 return;
 413
 414         if (!cl.paused)
 415                 return;
 416
 417         pic = Draw_CachePic ("gfx/pause");
 418         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 419 }
 420
 421 /*
 422 ==============
 423 SCR_DrawBrand
 424 ==============
 425 */
 426 void SCR_DrawBrand (void)
 427 {
 428         cachepic_t      *pic;
 429         float           x, y;
 430
 431         if (!scr_showbrand.value)
 432                 return;
 433
 434         pic = Draw_CachePic ("gfx/brand");
 435
 436         switch ((int)scr_showbrand.value)
 437         {
 438         case 1: // bottom left
 439                 x = 0;
 440                 y = vid_conheight.integer - pic->height;
 441                 break;
 442         case 2: // bottom centre
 443                 x = (vid_conwidth.integer - pic->width) / 2;
 444                 y = vid_conheight.integer - pic->height;
 445                 break;
 446         case 3: // bottom right
 447                 x = vid_conwidth.integer - pic->width;
 448                 y = vid_conheight.integer - pic->height;
 449                 break;
 450         case 4: // centre right
 451                 x = vid_conwidth.integer - pic->width;
 452                 y = (vid_conheight.integer - pic->height) / 2;
 453                 break;
 454         case 5: // top right
 455                 x = vid_conwidth.integer - pic->width;
 456                 y = 0;
 457                 break;
 458         case 6: // top centre
 459                 x = (vid_conwidth.integer - pic->width) / 2;
 460                 y = 0;
 461                 break;
 462         case 7: // top left
 463                 x = 0;
 464                 y = 0;
 465                 break;
 466         case 8: // centre left
 467                 x = 0;
 468                 y = (vid_conheight.integer - pic->height) / 2;
 469                 break;
 470         default:
 471                 return;
 472         }
 473
 474         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 475 }
 476
 477 /*
 478 ==============
 479 SCR_DrawQWDownload
 480 ==============
 481 */
 482 static int SCR_DrawQWDownload(int offset)
 483 {
 484         // sync with SCR_InfobarHeight
 485         int len;
 486         float x, y;
 487         float size = 8;
 488         char temp[256];
 489
 490         if (!cls.qw_downloadname[0])
 491         {
 492                 cls.qw_downloadspeedrate = 0;
 493                 cls.qw_downloadspeedtime = realtime;
 494                 cls.qw_downloadspeedcount = 0;
 495                 return 0;
 496         }
 497         if (realtime >= cls.qw_downloadspeedtime + 1)
 498         {
 499                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 500                 cls.qw_downloadspeedtime = realtime;
 501                 cls.qw_downloadspeedcount = 0;
 502         }
 503         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 504                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
 505         else
 506                 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);
 507         len = (int)strlen(temp);
 508         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 509         y = vid_conheight.integer - size - offset;
 510         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 511         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 512         return 8;
 513 }
 514 /*
 515 ==============
 516 SCR_DrawInfobarString
 517 ==============
 518 */
 519 static int SCR_DrawInfobarString(int offset)
 520 {
 521         int len;
 522         float x, y;
 523         float size = 8;
 524
 525         len = (int)strlen(scr_infobarstring);
 526         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
 527         y = vid_conheight.integer - size - offset;
 528         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 529         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
 530         return 8;
 531 }
 532
 533 /*
 534 ==============
 535 SCR_DrawCurlDownload
 536 ==============
 537 */
 538 static int SCR_DrawCurlDownload(int offset)
 539 {
 540         // sync with SCR_InfobarHeight
 541         int len;
 542         int nDownloads;
 543         int i;
 544         float x, y;
 545         float size = 8;
 546         Curl_downloadinfo_t *downinfo;
 547         char temp[256];
 548         const char *addinfo;
 549
 550         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 551         if(!downinfo)
 552                 return 0;
 553
 554         y = vid_conheight.integer - size * nDownloads - offset;
 555
 556         if(addinfo)
 557         {
 558                 len = (int)strlen(addinfo);
 559                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
 560                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 561                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 562         }
 563
 564         for(i = 0; i != nDownloads; ++i)
 565         {
 566                 if(downinfo[i].queued)
 567                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s", downinfo[i].filename);
 568                 else if(downinfo[i].progress <= 0)
 569                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s", downinfo[i].filename, downinfo[i].speed / 1024.0);
 570                 else
 571                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
 572                 len = (int)strlen(temp);
 573                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 574                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 575                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 576         }
 577
 578         Z_Free(downinfo);
 579
 580         return 8 * (nDownloads + (addinfo ? 1 : 0));
 581 }
 582
 583 /*
 584 ==============
 585 SCR_DrawInfobar
 586 ==============
 587 */
 588 static void SCR_DrawInfobar(void)
 589 {
 590         int offset = 0;
 591         if(scr_infobartime_off > 0)
 592                 offset += SCR_DrawInfobarString(offset);
 593         offset += SCR_DrawQWDownload(offset);
 594         offset += SCR_DrawCurlDownload(offset);
 595         if(offset != scr_con_margin_bottom)
 596                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 597 }
 598
 599 static int SCR_InfobarHeight(void)
 600 {
 601         int offset = 0;
 602         Curl_downloadinfo_t *downinfo;
 603         const char *addinfo;
 604         int nDownloads;
 605
 606         if (cl.time > cl.oldtime)
 607                 scr_infobartime_off -= cl.time - cl.oldtime;
 608         if(scr_infobartime_off > 0)
 609                 offset += 8;
 610
 611         if(cls.qw_downloadname[0])
 612                 offset += 8;
 613
 614         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 615         if(downinfo)
 616         {
 617                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
 618                 Z_Free(downinfo);
 619         }
 620
 621         return offset;
 622 }
 623
 624 /*
 625 ==============
 626 SCR_InfoBar_f
 627 ==============
 628 */
 629 void SCR_InfoBar_f(void)
 630 {
 631         if(Cmd_Argc() == 3)
 632         {
 633                 scr_infobartime_off = atof(Cmd_Argv(1));
 634                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
 635         }
 636         else
 637         {
 638                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
 639         }
 640 }
 641 //=============================================================================
 642
 643 /*
 644 ==================
 645 SCR_SetUpToDrawConsole
 646 ==================
 647 */
 648 void SCR_SetUpToDrawConsole (void)
 649 {
 650         // lines of console to display
 651         float conlines;
 652         static int framecounter = 0;
 653
 654         Con_CheckResize ();
 655
 656         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 657         {
 658                 if (framecounter >= 2)
 659                         MR_ToggleMenu(1);
 660                 else
 661                         framecounter++;
 662         }
 663         else
 664                 framecounter = 0;
 665
 666         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 667                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 668         else
 669                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 670
 671 // decide on the height of the console
 672         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 673                 conlines = vid_conheight.integer/2;     // half screen
 674         else
 675                 conlines = 0;                           // none visible
 676
 677         scr_con_current = conlines;
 678 }
 679
 680 /*
 681 ==================
 682 SCR_DrawConsole
 683 ==================
 684 */
 685 void SCR_DrawConsole (void)
 686 {
 687         scr_con_margin_bottom = SCR_InfobarHeight();
 688         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 689         {
 690                 // full screen
 691                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 692         }
 693         else if (scr_con_current)
 694                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 695         else
 696                 con_vislines = 0;
 697 }
 698
 699 /*
 700 ===============
 701 SCR_BeginLoadingPlaque
 702
 703 ================
 704 */
 705 void SCR_BeginLoadingPlaque (void)
 706 {
 707         // save console log up to this point to log_file if it was set by configs
 708         Log_Start();
 709
 710         Host_StartVideo();
 711         SCR_UpdateLoadingScreen(false);
 712 }
 713
 714 //=============================================================================
 715
 716 char r_speeds_timestring[4096];
 717 int speedstringcount, r_timereport_active;
 718 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 719 int r_speeds_longestitem = 0;
 720
 721 void R_TimeReport(const char *desc)
 722 {
 723         char tempbuf[256];
 724         int length;
 725         int t;
 726
 727         if (r_speeds.integer < 2 || !r_timereport_active)
 728                 return;
 729
 730         CHECKGLERROR
 731         if (r_speeds.integer == 2 && qglFinish)
 732                 qglFinish();
 733         CHECKGLERROR
 734         r_timereport_temp = r_timereport_current;
 735         r_timereport_current = Sys_DoubleTime();
 736         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 737
 738         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
 739         length = min(length, (int)sizeof(tempbuf) - 1);
 740         if (r_speeds_longestitem < length)
 741                 r_speeds_longestitem = length;
 742         for (;length < r_speeds_longestitem;length++)
 743                 tempbuf[length] = ' ';
 744         tempbuf[length] = 0;
 745
 746         if (speedstringcount + length > (vid_conwidth.integer / 8))
 747         {
 748                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
 749                 speedstringcount = 0;
 750         }
 751         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
 752         speedstringcount += length;
 753 }
 754
 755 void R_TimeReport_BeginFrame(void)
 756 {
 757         speedstringcount = 0;
 758         r_speeds_timestring[0] = 0;
 759         r_timereport_active = false;
 760         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 761
 762         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
 763         {
 764                 r_timereport_active = true;
 765                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
 766         }
 767 }
 768
 769 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
 770 {
 771         int i, triangles = 0;
 772         for (i = 0;i < leaf->numleafsurfaces;i++)
 773                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
 774         return triangles;
 775 }
 776
 777 void R_TimeReport_EndFrame(void)
 778 {
 779         int i, j, lines, y;
 780         cl_locnode_t *loc;
 781         char string[1024+4096];
 782         mleaf_t *viewleaf;
 783
 784         string[0] = 0;
 785         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 786         {
 787                 // put the location name in the r_speeds display as it greatly helps
 788                 // when creating loc files
 789                 loc = CL_Locs_FindNearest(cl.movement_origin);
 790                 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;
 791                 dpsnprintf(string, sizeof(string),
 792 "%s%s\n"
 793 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
 794 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
 795 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
 796 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
 797 "%7i lightmap updates (%7i pixels)\n"
 798 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
 799 "%6i draws%8i vertices%8i triangles bloompixels%8i copied%8i drawn\n"
 800 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
 801 "%s"
 802 , loc ? "Location: " : "", loc ? loc->name : ""
 803 , 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]
 804 , 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
 805 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
 806 , 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)
 807 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
 808 , 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
 809 , 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
 810 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
 811 , r_speeds_timestring);
 812
 813                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 814
 815                 speedstringcount = 0;
 816                 r_speeds_timestring[0] = 0;
 817                 r_timereport_active = false;
 818
 819                 if (r_speeds.integer >= 2)
 820                 {
 821                         r_timereport_active = true;
 822                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 823                 }
 824         }
 825
 826         if (string[0])
 827         {
 828                 if (string[strlen(string)-1] == '\n')
 829                         string[strlen(string)-1] = 0;
 830                 lines = 1;
 831                 for (i = 0;string[i];i++)
 832                         if (string[i] == '\n')
 833                                 lines++;
 834                 y = vid_conheight.integer - sb_lines - lines * 8;
 835                 i = j = 0;
 836                 r_draw2d_force = true;
 837                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 838                 while (string[i])
 839                 {
 840                         j = i;
 841                         while (string[i] && string[i] != '\n')
 842                                 i++;
 843                         if (i - j > 0)
 844                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
 845                         if (string[i] == '\n')
 846                                 i++;
 847                         y += 8;
 848                 }
 849                 r_draw2d_force = false;
 850         }
 851 }
 852
 853 /*
 854 =================
 855 SCR_SizeUp_f
 856
 857 Keybinding command
 858 =================
 859 */
 860 void SCR_SizeUp_f (void)
 861 {
 862         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 863 }
 864
 865
 866 /*
 867 =================
 868 SCR_SizeDown_f
 869
 870 Keybinding command
 871 =================
 872 */
 873 void SCR_SizeDown_f (void)
 874 {
 875         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 876 }
 877
 878 void SCR_CaptureVideo_EndVideo(void);
 879 void CL_Screen_Shutdown(void)
 880 {
 881         SCR_CaptureVideo_EndVideo();
 882 }
 883
 884 void CL_Screen_Init(void)
 885 {
 886         Cvar_RegisterVariable (&scr_fov);
 887         Cvar_RegisterVariable (&scr_viewsize);
 888         Cvar_RegisterVariable (&scr_conalpha);
 889         Cvar_RegisterVariable (&scr_conalphafactor);
 890         Cvar_RegisterVariable (&scr_conalpha2factor);
 891         Cvar_RegisterVariable (&scr_conalpha3factor);
 892         Cvar_RegisterVariable (&scr_conscroll_x);
 893         Cvar_RegisterVariable (&scr_conscroll_y);
 894         Cvar_RegisterVariable (&scr_conscroll2_x);
 895         Cvar_RegisterVariable (&scr_conscroll2_y);
 896         Cvar_RegisterVariable (&scr_conscroll3_x);
 897         Cvar_RegisterVariable (&scr_conscroll3_y);
 898         Cvar_RegisterVariable (&scr_conbrightness);
 899         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 900         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 901         Cvar_RegisterVariable (&scr_loadingscreen_background);
 902         Cvar_RegisterVariable (&scr_loadingscreen_count);
 903         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
 904         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
 905         Cvar_RegisterVariable (&scr_showram);
 906         Cvar_RegisterVariable (&scr_showturtle);
 907         Cvar_RegisterVariable (&scr_showpause);
 908         Cvar_RegisterVariable (&scr_showbrand);
 909         Cvar_RegisterVariable (&scr_centertime);
 910         Cvar_RegisterVariable (&scr_printspeed);
 911         Cvar_RegisterVariable (&vid_conwidth);
 912         Cvar_RegisterVariable (&vid_conheight);
 913         Cvar_RegisterVariable (&vid_pixelheight);
 914         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 915         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 916         Cvar_RegisterVariable (&scr_screenshot_png);
 917         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 918         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
 919         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
 920         Cvar_RegisterVariable (&scr_screenshot_alpha);
 921         Cvar_RegisterVariable (&cl_capturevideo);
 922         Cvar_RegisterVariable (&cl_capturevideo_printfps);
 923         Cvar_RegisterVariable (&cl_capturevideo_width);
 924         Cvar_RegisterVariable (&cl_capturevideo_height);
 925         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 926         Cvar_RegisterVariable (&cl_capturevideo_fps);
 927         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
 928         Cvar_RegisterVariable (&cl_capturevideo_number);
 929         Cvar_RegisterVariable (&cl_capturevideo_ogg);
 930         Cvar_RegisterVariable (&cl_capturevideo_framestep);
 931         Cvar_RegisterVariable (&r_letterbox);
 932         Cvar_RegisterVariable(&r_stereo_separation);
 933         Cvar_RegisterVariable(&r_stereo_sidebyside);
 934         Cvar_RegisterVariable(&r_stereo_horizontal);
 935         Cvar_RegisterVariable(&r_stereo_vertical);
 936         Cvar_RegisterVariable(&r_stereo_redblue);
 937         Cvar_RegisterVariable(&r_stereo_redcyan);
 938         Cvar_RegisterVariable(&r_stereo_redgreen);
 939         Cvar_RegisterVariable(&r_stereo_angle);
 940         Cvar_RegisterVariable(&scr_zoomwindow);
 941         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 942         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 943         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 944         Cvar_RegisterVariable(&scr_stipple);
 945         Cvar_RegisterVariable(&scr_refresh);
 946         Cvar_RegisterVariable(&shownetgraph);
 947         Cvar_RegisterVariable(&cl_demo_mousegrab);
 948         Cvar_RegisterVariable(&timedemo_screenshotframelist);
 949
 950         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 951         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 952         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 953         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 954         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
 955
 956         SCR_CaptureVideo_Ogg_Init();
 957
 958         scr_initialized = true;
 959 }
 960
 961 /*
 962 ==================
 963 SCR_ScreenShot_f
 964 ==================
 965 */
 966 void SCR_ScreenShot_f (void)
 967 {
 968         static int shotnumber;
 969         static char old_prefix_name[MAX_QPATH];
 970         char prefix_name[MAX_QPATH];
 971         char filename[MAX_QPATH];
 972         unsigned char *buffer1;
 973         unsigned char *buffer2;
 974         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 975         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
 976
 977         if (Cmd_Argc() == 2)
 978         {
 979                 const char *ext;
 980                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
 981                 ext = FS_FileExtension(filename);
 982                 if (!strcasecmp(ext, "jpg"))
 983                 {
 984                         jpeg = true;
 985                         png = false;
 986                 }
 987                 else if (!strcasecmp(ext, "tga"))
 988                 {
 989                         jpeg = false;
 990                         png = false;
 991                 }
 992                 else if (!strcasecmp(ext, "png"))
 993                 {
 994                         jpeg = false;
 995                         png = true;
 996                 }
 997                 else
 998                 {
 999                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
1000                         return;
1001                 }
1002         }
1003         else
1004         {
1005                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1006                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1007                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
1008                 else
1009                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
1010
1011                 if (strcmp(old_prefix_name, prefix_name))
1012                 {
1013                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
1014                         shotnumber = 0;
1015                 }
1016
1017                 // find a file name to save it to
1018                 for (;shotnumber < 1000000;shotnumber++)
1019                         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)))
1020                                 break;
1021                 if (shotnumber >= 1000000)
1022                 {
1023                         Con_Print("Couldn't create the image file\n");
1024                         return;
1025                 }
1026
1027                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
1028         }
1029
1030         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1031         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
1032
1033         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer != 0))
1034                 Con_Printf("Wrote %s\n", filename);
1035         else
1036         {
1037                 Con_Printf("Unable to write %s\n", filename);
1038                 if(jpeg || png)
1039                 {
1040                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer != 0))
1041                         {
1042                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1043                                 Con_Printf("Wrote %s\n", filename);
1044                         }
1045                 }
1046         }
1047
1048         Mem_Free (buffer1);
1049         Mem_Free (buffer2);
1050
1051         shotnumber++;
1052 }
1053
1054 void SCR_CaptureVideo_BeginVideo(void)
1055 {
1056         double r, g, b;
1057         unsigned int i;
1058         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1059         if (cls.capturevideo.active)
1060                 return;
1061         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1062         // soundrate is figured out on the first SoundFrame
1063
1064         if(width == 0 && height != 0)
1065                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1066         if(width != 0 && height == 0)
1067                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1068
1069         if(width < 2 || width > vid.width) // can't scale up
1070                 width = vid.width;
1071         if(height < 2 || height > vid.height) // can't scale up
1072                 height = vid.height;
1073
1074         // ensure it's all even; if not, scale down a little
1075         if(width % 1)
1076                 --width;
1077         if(height % 1)
1078                 --height;
1079
1080         cls.capturevideo.width = width;
1081         cls.capturevideo.height = height;
1082         cls.capturevideo.active = true;
1083         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1084         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1085         cls.capturevideo.soundrate = S_GetSoundRate();
1086         cls.capturevideo.soundchannels = S_GetSoundChannels();
1087         cls.capturevideo.startrealtime = realtime;
1088         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1089         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1090         cls.capturevideo.soundsampleframe = 0;
1091         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1092         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1093         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1094         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1095         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1096
1097         /*
1098         for (i = 0;i < 256;i++)
1099         {
1100                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1101                 cls.capturevideo.rgbgammatable[0][i] = j;
1102                 cls.capturevideo.rgbgammatable[1][i] = j;
1103                 cls.capturevideo.rgbgammatable[2][i] = j;
1104         }
1105         */
1106 /*
1107 R = Y + 1.4075 * (Cr - 128);
1108 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1109 B = Y + 1.7790 * (Cb - 128);
1110 Y = R *  .299 + G *  .587 + B *  .114;
1111 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1112 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1113 */
1114
1115         if(WANT_SCREENSHOT_HWGAMMA)
1116         {
1117                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1118         }
1119         else
1120         {
1121                 // identity gamma table
1122                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1123                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1124                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1125         }
1126         if(scr_screenshot_gammaboost.value != 1)
1127         {
1128                 double igamma = 1 / scr_screenshot_gammaboost.value;
1129                 for (i = 0;i < 256 * 3;i++)
1130                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1131         }
1132
1133         for (i = 0;i < 256;i++)
1134         {
1135                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1136                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1137                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1138                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1139                 // Y weights from RGB
1140                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1141                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1142                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1143                 // Cb weights from RGB
1144                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1145                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1146                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1147                 // Cr weights from RGB
1148                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1149                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1150                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1151                 // range reduction of YCbCr to valid signal range
1152                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1153                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1154                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1155         }
1156
1157         if (cl_capturevideo_ogg.integer)
1158         {
1159                 if(SCR_CaptureVideo_Ogg_Available())
1160                 {
1161                         SCR_CaptureVideo_Ogg_BeginVideo();
1162                         return;
1163                 }
1164                 else
1165                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1166         }
1167
1168         SCR_CaptureVideo_Avi_BeginVideo();
1169 }
1170
1171 void SCR_CaptureVideo_EndVideo(void)
1172 {
1173         if (!cls.capturevideo.active)
1174                 return;
1175         cls.capturevideo.active = false;
1176
1177         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);
1178
1179         if (cls.capturevideo.videofile)
1180         {
1181                 cls.capturevideo.endvideo();
1182         }
1183
1184         if (cls.capturevideo.screenbuffer)
1185         {
1186                 Mem_Free (cls.capturevideo.screenbuffer);
1187                 cls.capturevideo.screenbuffer = NULL;
1188         }
1189
1190         if (cls.capturevideo.outbuffer)
1191         {
1192                 Mem_Free (cls.capturevideo.outbuffer);
1193                 cls.capturevideo.outbuffer = NULL;
1194         }
1195
1196         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1197 }
1198
1199 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1200 {
1201         // TODO optimize this function
1202
1203         int x, y;
1204         float area;
1205
1206         // memcpy is faster than me
1207         if(inw == outw && inh == outh)
1208         {
1209                 memcpy(out, in, 4 * inw * inh);
1210                 return;
1211         }
1212
1213         // otherwise: a box filter
1214         area = (float)outw * (float)outh / (float)inw / (float)inh;
1215         for(y = 0; y < outh; ++y)
1216         {
1217                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1218                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1219                 for(x = 0; x < outw; ++x)
1220                 {
1221                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1222                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1223                         float r = 0, g = 0, b = 0, alpha = 0;
1224                         int xx, yy;
1225
1226                         for(yy = iny0_i; yy < iny1_i; ++yy)
1227                         {
1228                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1229                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1230                                 {
1231                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1232                                         r += a * in[4*(xx + inw * yy)+0];
1233                                         g += a * in[4*(xx + inw * yy)+1];
1234                                         b += a * in[4*(xx + inw * yy)+2];
1235                                         alpha += a * in[4*(xx + inw * yy)+3];
1236                                 }
1237                         }
1238
1239                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1240                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1241                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1242                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1243                 }
1244         }
1245 }
1246
1247 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1248 {
1249         int x = 0, y = 0;
1250         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1251
1252         if(newframestepframenum == cls.capturevideo.framestepframe)
1253                 return;
1254
1255         CHECKGLERROR
1256         // speed is critical here, so do saving as directly as possible
1257
1258         GL_ReadPixelsBGRA(x, y, vid.width, vid.height, cls.capturevideo.screenbuffer);
1259
1260         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1261
1262         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1263         cls.capturevideo.framestepframe = newframestepframenum;
1264
1265         if(cl_capturevideo_printfps.integer)
1266         {
1267                 char buf[80];
1268                 double t = Sys_DoubleTime();
1269                 if(t > cls.capturevideo.lastfpstime + 1)
1270                 {
1271                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1272                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1273                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1274                         Sys_PrintToTerminal(buf);
1275                         cls.capturevideo.lastfpstime = t;
1276                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1277                 }
1278         }
1279 }
1280
1281 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1282 {
1283         cls.capturevideo.soundsampleframe += length;
1284         cls.capturevideo.soundframe(paintbuffer, length);
1285 }
1286
1287 void SCR_CaptureVideo(void)
1288 {
1289         int newframenum;
1290         if (cl_capturevideo.integer)
1291         {
1292                 if (!cls.capturevideo.active)
1293                         SCR_CaptureVideo_BeginVideo();
1294                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1295                 {
1296                         Con_Printf("You can not change the video framerate while recording a video.\n");
1297                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1298                 }
1299                 // for AVI saving we have to make sure that sound is saved before video
1300                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1301                         return;
1302                 if (cls.capturevideo.realtime)
1303                 {
1304                         // preserve sound sync by duplicating frames when running slow
1305                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1306                 }
1307                 else
1308                         newframenum = cls.capturevideo.frame + 1;
1309                 // if falling behind more than one second, stop
1310                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1311                 {
1312                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1313                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1314                         SCR_CaptureVideo_EndVideo();
1315                         return;
1316                 }
1317                 // write frames
1318                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1319                 cls.capturevideo.frame = newframenum;
1320                 if (cls.capturevideo.error)
1321                 {
1322                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1323                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1324                         SCR_CaptureVideo_EndVideo();
1325                 }
1326         }
1327         else if (cls.capturevideo.active)
1328                 SCR_CaptureVideo_EndVideo();
1329 }
1330
1331 /*
1332 ===============
1333 R_Envmap_f
1334
1335 Grab six views for environment mapping tests
1336 ===============
1337 */
1338 struct envmapinfo_s
1339 {
1340         float angles[3];
1341         const char *name;
1342         qboolean flipx, flipy, flipdiagonaly;
1343 }
1344 envmapinfo[12] =
1345 {
1346         {{  0,   0, 0}, "rt", false, false, false},
1347         {{  0, 270, 0}, "ft", false, false, false},
1348         {{  0, 180, 0}, "lf", false, false, false},
1349         {{  0,  90, 0}, "bk", false, false, false},
1350         {{-90, 180, 0}, "up",  true,  true, false},
1351         {{ 90, 180, 0}, "dn",  true,  true, false},
1352
1353         {{  0,   0, 0}, "px",  true,  true,  true},
1354         {{  0,  90, 0}, "py", false,  true, false},
1355         {{  0, 180, 0}, "nx", false, false,  true},
1356         {{  0, 270, 0}, "ny",  true, false, false},
1357         {{-90, 180, 0}, "pz", false, false,  true},
1358         {{ 90, 180, 0}, "nz", false, false,  true}
1359 };
1360
1361 static void R_Envmap_f (void)
1362 {
1363         int j, size;
1364         char filename[MAX_QPATH], basename[MAX_QPATH];
1365         unsigned char *buffer1;
1366         unsigned char *buffer2;
1367
1368         if (Cmd_Argc() != 3)
1369         {
1370                 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");
1371                 return;
1372         }
1373
1374         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1375         size = atoi(Cmd_Argv(2));
1376         if (size != 128 && size != 256 && size != 512 && size != 1024)
1377         {
1378                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1379                 return;
1380         }
1381         if (size > vid.width || size > vid.height)
1382         {
1383                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1384                 return;
1385         }
1386
1387         r_refdef.envmap = true;
1388
1389         R_UpdateVariables();
1390
1391         r_refdef.view.x = 0;
1392         r_refdef.view.y = 0;
1393         r_refdef.view.z = 0;
1394         r_refdef.view.width = size;
1395         r_refdef.view.height = size;
1396         r_refdef.view.depth = 1;
1397         r_refdef.view.useperspective = true;
1398         r_refdef.view.isoverlay = false;
1399
1400         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1401         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1402
1403         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1404         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1405
1406         for (j = 0;j < 12;j++)
1407         {
1408                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1409                 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);
1410                 r_refdef.view.quality = 1;
1411                 r_refdef.view.clear = true;
1412                 R_Mesh_Start();
1413                 R_RenderView();
1414                 R_Mesh_Finish();
1415                 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);
1416         }
1417
1418         Mem_Free (buffer1);
1419         Mem_Free (buffer2);
1420
1421         r_refdef.envmap = false;
1422 }
1423
1424 //=============================================================================
1425
1426 void SHOWLMP_decodehide(void)
1427 {
1428         int i;
1429         char *lmplabel;
1430         lmplabel = MSG_ReadString();
1431         for (i = 0;i < cl.num_showlmps;i++)
1432                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1433                 {
1434                         cl.showlmps[i].isactive = false;
1435                         return;
1436                 }
1437 }
1438
1439 void SHOWLMP_decodeshow(void)
1440 {
1441         int k;
1442         char lmplabel[256], picname[256];
1443         float x, y;
1444         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1445         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1446         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1447         {
1448                 x = MSG_ReadByte();
1449                 y = MSG_ReadByte();
1450         }
1451         else
1452         {
1453                 x = MSG_ReadShort();
1454                 y = MSG_ReadShort();
1455         }
1456         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1457         {
1458                 showlmp_t *oldshowlmps = cl.showlmps;
1459                 cl.max_showlmps += 16;
1460                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1461                 if (cl.num_showlmps)
1462                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1463                 if (oldshowlmps)
1464                         Mem_Free(oldshowlmps);
1465         }
1466         for (k = 0;k < cl.max_showlmps;k++)
1467                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1468                         break;
1469         if (k == cl.max_showlmps)
1470                 for (k = 0;k < cl.max_showlmps;k++)
1471                         if (!cl.showlmps[k].isactive)
1472                                 break;
1473         cl.showlmps[k].isactive = true;
1474         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1475         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1476         cl.showlmps[k].x = x;
1477         cl.showlmps[k].y = y;
1478         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1479 }
1480
1481 void SHOWLMP_drawall(void)
1482 {
1483         int i;
1484         for (i = 0;i < cl.num_showlmps;i++)
1485                 if (cl.showlmps[i].isactive)
1486                         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);
1487 }
1488
1489 /*
1490 ==============================================================================
1491
1492                                                 SCREEN SHOTS
1493
1494 ==============================================================================
1495 */
1496
1497 // buffer1: 4*w*h
1498 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1499 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)
1500 {
1501         int     indices[4] = {0,1,2,3}; // BGRA
1502         qboolean ret;
1503
1504         GL_ReadPixelsBGRA(x, y, width, height, buffer1);
1505
1506         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1507         {
1508                 int i;
1509                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1510                 unsigned short vidramp[256 * 3];
1511                 if(WANT_SCREENSHOT_HWGAMMA)
1512                 {
1513                         VID_BuildGammaTables(&vidramp[0], 256);
1514                 }
1515                 else
1516                 {
1517                         // identity gamma table
1518                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1519                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1520                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1521                 }
1522                 if(scr_screenshot_gammaboost.value != 1)
1523                 {
1524                         for (i = 0;i < 256 * 3;i++)
1525                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1526                 }
1527                 for (i = 0;i < width*height*4;i += 4)
1528                 {
1529                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1530                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1531                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1532                         // A
1533                 }
1534         }
1535
1536         if(keep_alpha && !jpeg)
1537         {
1538                 if(!png)
1539                         flipy = !flipy; // TGA: not preflipped
1540                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1541                 if (png)
1542                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1543                 else
1544                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1545         }
1546         else
1547         {
1548                 if(jpeg)
1549                 {
1550                         indices[0] = 2;
1551                         indices[2] = 0; // RGB
1552                 }
1553                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1554                 if (jpeg)
1555                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1556                 else if (png)
1557                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1558                 else
1559                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1560         }
1561
1562         return ret;
1563 }
1564
1565 //=============================================================================
1566
1567 extern void R_UpdateFogColor(void);
1568 void R_ClearScreen(qboolean fogcolor)
1569 {
1570         float clearcolor[4];
1571         // clear to black
1572         Vector4Clear(clearcolor);
1573         if (fogcolor)
1574         {
1575                 R_UpdateFogColor();
1576                 VectorCopy(r_refdef.fogcolor, clearcolor);
1577         }
1578         // clear depth is 1.0
1579         // LordHavoc: we use a stencil centered around 128 instead of 0,
1580         // to avoid clamping interfering with strange shadow volume
1581         // drawing orders
1582         // clear the screen
1583         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 128);
1584 }
1585
1586 qboolean CL_VM_UpdateView (void);
1587 void SCR_DrawConsole (void);
1588 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1589
1590 int r_stereo_side;
1591
1592 extern void Sbar_ShowFPS(void);
1593 void SCR_DrawScreen (void)
1594 {
1595         Draw_Frame();
1596
1597         R_Mesh_Start();
1598
1599         R_UpdateVariables();
1600
1601         // Quake uses clockwise winding, so these are swapped
1602         r_refdef.view.cullface_front = GL_BACK;
1603         r_refdef.view.cullface_back = GL_FRONT;
1604
1605         if (cls.signon == SIGNONS)
1606         {
1607                 float size;
1608
1609                 size = scr_viewsize.value * (1.0 / 100.0);
1610                 size = min(size, 1);
1611
1612                 if (r_stereo_sidebyside.integer)
1613                 {
1614                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1615                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1616                         r_refdef.view.depth = 1;
1617                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1618                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1619                         r_refdef.view.z = 0;
1620                         if (r_stereo_side)
1621                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1622                 }
1623                 else if (r_stereo_horizontal.integer)
1624                 {
1625                         r_refdef.view.width = (int)(vid.width * size / 2);
1626                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1627                         r_refdef.view.depth = 1;
1628                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.0)/2);
1629                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1630                         r_refdef.view.z = 0;
1631                         if (r_stereo_side)
1632                                 r_refdef.view.x += (int)(r_refdef.view.width);
1633                 }
1634                 else if (r_stereo_vertical.integer)
1635                 {
1636                         r_refdef.view.width = (int)(vid.width * size);
1637                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100) / 2);
1638                         r_refdef.view.depth = 1;
1639                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1640                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height * 2.0)/2);
1641                         r_refdef.view.z = 0;
1642                         if (r_stereo_side)
1643                                 r_refdef.view.y += (int)(r_refdef.view.height);
1644                 }
1645                 else
1646                 {
1647                         r_refdef.view.width = (int)(vid.width * size);
1648                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1649                         r_refdef.view.depth = 1;
1650                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1651                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1652                         r_refdef.view.z = 0;
1653                 }
1654
1655                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1656                 // LordHavoc: this is designed to produce widescreen fov values
1657                 // when the screen is wider than 4/3 width/height aspect, to do
1658                 // this it simply assumes the requested fov is the vertical fov
1659                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1660                 // higher/lower according to the ratio
1661                 r_refdef.view.useperspective = true;
1662                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1663                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1664
1665                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1666                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1667
1668                 if(!CL_VM_UpdateView())
1669                         R_RenderView();
1670
1671                 if (scr_zoomwindow.integer)
1672                 {
1673                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1674                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1675                         r_refdef.view.width = (int)(vid.width * sizex);
1676                         r_refdef.view.height = (int)(vid.height * sizey);
1677                         r_refdef.view.depth = 1;
1678                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1679                         r_refdef.view.y = 0;
1680                         r_refdef.view.z = 0;
1681
1682                         r_refdef.view.useperspective = true;
1683                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1684                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1685
1686                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1687                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1688
1689                         if(!CL_VM_UpdateView())
1690                                 R_RenderView();
1691                 }
1692         }
1693
1694         if (!r_stereo_sidebyside.integer && !r_stereo_horizontal.integer && !r_stereo_vertical.integer)
1695         {
1696                 r_refdef.view.width = vid.width;
1697                 r_refdef.view.height = vid.height;
1698                 r_refdef.view.depth = 1;
1699                 r_refdef.view.x = 0;
1700                 r_refdef.view.y = 0;
1701                 r_refdef.view.z = 0;
1702                 r_refdef.view.useperspective = false;
1703         }
1704
1705         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1706         {
1707                 const char *t;
1708                 int framenum;
1709                 t = timedemo_screenshotframelist.string;
1710                 while (*t)
1711                 {
1712                         while (*t == ' ')
1713                                 t++;
1714                         if (!*t)
1715                                 break;
1716                         framenum = atof(t);
1717                         if (framenum == cls.td_frames)
1718                                 break;
1719                         while (*t && *t != ' ')
1720                                 t++;
1721                 }
1722                 if (*t)
1723                 {
1724                         // we need to take a screenshot of this frame...
1725                         char filename[MAX_QPATH];
1726                         unsigned char *buffer1;
1727                         unsigned char *buffer2;
1728                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1729                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1730                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1731                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1732                         Mem_Free(buffer1);
1733                         Mem_Free(buffer2);
1734                 }
1735         }
1736
1737         // draw 2D stuff
1738         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1739                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1740                         Con_DrawNotify ();      // only draw notify in game
1741
1742         if (cls.signon == SIGNONS)
1743         {
1744                 SCR_DrawNet ();
1745                 SCR_DrawTurtle ();
1746                 SCR_DrawPause ();
1747                 if (!r_letterbox.value)
1748                         Sbar_Draw();
1749                 Sbar_ShowFPS();
1750                 SHOWLMP_drawall();
1751                 SCR_CheckDrawCenterString();
1752         }
1753         SCR_DrawNetGraph ();
1754         MR_Draw();
1755         CL_DrawVideo();
1756         R_Shadow_EditLights_DrawSelectedLightProperties();
1757
1758         SCR_DrawConsole();
1759
1760         SCR_DrawBrand();
1761
1762         SCR_DrawInfobar();
1763
1764         if (r_timereport_active)
1765                 R_TimeReport("2d");
1766
1767         if (cls.signon == SIGNONS)
1768         {
1769                 R_TimeReport_EndFrame();
1770                 R_TimeReport_BeginFrame();
1771         }
1772
1773         DrawQ_Finish();
1774
1775         R_DrawGamma();
1776
1777         R_Mesh_Finish();
1778 }
1779
1780 typedef struct loadingscreenstack_s
1781 {
1782         struct loadingscreenstack_s *prev;
1783         char msg[MAX_QPATH];
1784         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1785         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1786         float relative_completion; // 0 .. 1
1787 }
1788 loadingscreenstack_t;
1789 static loadingscreenstack_t *loadingscreenstack = NULL;
1790 static double loadingscreentime = -1;
1791 static qboolean loadingscreencleared = false;
1792 static float loadingscreenheight = 0;
1793 rtexture_t *loadingscreentexture = NULL;
1794 static float loadingscreentexture_vertex3f[12];
1795 static float loadingscreentexture_texcoord2f[8];
1796 static int loadingscreenpic_number = 0;
1797
1798 static void SCR_ClearLoadingScreenTexture(void)
1799 {
1800         if(loadingscreentexture)
1801                 R_FreeTexture(loadingscreentexture);
1802         loadingscreentexture = NULL;
1803 }
1804
1805 extern rtexturepool_t *r_main_texturepool;
1806 static void SCR_SetLoadingScreenTexture(void)
1807 {
1808         int w, h;
1809         float loadingscreentexture_w;
1810         float loadingscreentexture_h;
1811
1812         SCR_ClearLoadingScreenTexture();
1813
1814         if (vid.support.arb_texture_non_power_of_two)
1815         {
1816                 w = vid.width; h = vid.height;
1817                 loadingscreentexture_w = loadingscreentexture_h = 1;
1818         }
1819         else
1820         {
1821                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1822                 loadingscreentexture_w = vid.width / (float) w;
1823                 loadingscreentexture_h = vid.height / (float) h;
1824         }
1825
1826         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
1827         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1828
1829         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1830         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1831         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1832         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1833         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1834         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1835         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1836         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1837         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1838 }
1839
1840 void SCR_UpdateLoadingScreenIfShown(void)
1841 {
1842         if(realtime == loadingscreentime)
1843                 SCR_UpdateLoadingScreen(loadingscreencleared);
1844 }
1845
1846 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1847 {
1848         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1849         s->prev = loadingscreenstack;
1850         loadingscreenstack = s;
1851
1852         strlcpy(s->msg, msg, sizeof(s->msg));
1853         s->relative_completion = 0;
1854
1855         if(s->prev)
1856         {
1857                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1858                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1859                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1860                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1861         }
1862         else
1863         {
1864                 s->absolute_loading_amount_min = 0;
1865                 s->absolute_loading_amount_len = 1;
1866         }
1867
1868         if(redraw)
1869                 SCR_UpdateLoadingScreenIfShown();
1870 }
1871
1872 void SCR_PopLoadingScreen (qboolean redraw)
1873 {
1874         loadingscreenstack_t *s = loadingscreenstack;
1875
1876         if(!s)
1877         {
1878                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1879                 return;
1880         }
1881
1882         loadingscreenstack = s->prev;
1883         if(s->prev)
1884                 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;
1885         Z_Free(s);
1886
1887         if(redraw)
1888                 SCR_UpdateLoadingScreenIfShown();
1889 }
1890
1891 void SCR_ClearLoadingScreen (qboolean redraw)
1892 {
1893         while(loadingscreenstack)
1894                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1895 }
1896
1897 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1898 {
1899         float x;
1900         size_t len;
1901         float total;
1902
1903         total = 0;
1904 #if 0
1905         if(s)
1906         {
1907                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1908                 y -= total;
1909                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1910                 {
1911                         len = strlen(s->msg);
1912                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1913                         y -= size;
1914                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1915                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1916                         total += size;
1917                 }
1918         }
1919 #else
1920         if(s)
1921         {
1922                 len = strlen(s->msg);
1923                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1924                 y -= size;
1925                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1926                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1927                 total += size;
1928         }
1929 #endif
1930         return total;
1931 }
1932
1933 static void SCR_DrawLoadingStack(void)
1934 {
1935         float verts[12];
1936         float colors[16];
1937
1938         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1939         if(loadingscreenstack)
1940         {
1941                 // height = 32; // sorry, using the actual one is ugly
1942                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1943                 GL_DepthRange(0, 1);
1944                 GL_PolygonOffset(0, 0);
1945                 GL_DepthTest(false);
1946 //              R_Mesh_ResetTextureState();
1947                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1948                 verts[0] = verts[9] = 0;
1949                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1950                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1951                 verts[7] = verts[10] = vid_conheight.integer;
1952
1953 #if _MSC_VER >= 1400
1954 #define sscanf sscanf_s
1955 #endif
1956                 //                                        ^^^^^^^^^^ blue component
1957                 //                              ^^^^^^ bottom row
1958                 //          ^^^^^^^^^^^^ alpha is always on
1959                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
1960                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
1961                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
1962                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
1963
1964                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
1965                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1966                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1967
1968                 // make sure everything is cleared, including the progress indicator
1969                 if(loadingscreenheight < 8)
1970                         loadingscreenheight = 8;
1971         }
1972 }
1973
1974 static cachepic_t *loadingscreenpic;
1975 static float loadingscreenpic_vertex3f[12];
1976 static float loadingscreenpic_texcoord2f[8];
1977
1978 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
1979 {
1980         r_viewport_t viewport;
1981         float x, y;
1982         // release mouse grab while loading
1983         if (!vid.fullscreen)
1984                 VID_SetMouse(false, false, false);
1985 //      CHECKGLERROR
1986         r_refdef.draw2dstage = true;
1987         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
1988         R_SetViewport(&viewport);
1989         GL_ColorMask(1,1,1,1);
1990         // when starting up a new video mode, make sure the screen is cleared to black
1991         if (clear)
1992                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
1993         R_Textures_Frame();
1994         R_Mesh_Start();
1995         R_EntityMatrix(&identitymatrix);
1996         // draw the loading plaque
1997         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
1998         x = (vid_conwidth.integer - loadingscreenpic->width)/2;
1999         y = (vid_conheight.integer - loadingscreenpic->height)/2;
2000         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
2001         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
2002         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
2003         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + loadingscreenpic->width;
2004         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + loadingscreenpic->height;
2005         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
2006         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
2007         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
2008         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
2009 }
2010
2011 static void SCR_DrawLoadingScreen (qboolean clear)
2012 {
2013         // we only need to draw the image if it isn't already there
2014         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2015         GL_DepthRange(0, 1);
2016         GL_PolygonOffset(0, 0);
2017         GL_DepthTest(false);
2018 //      R_Mesh_ResetTextureState();
2019         GL_Color(1,1,1,1);
2020         if(loadingscreentexture)
2021         {
2022                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
2023                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
2024                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2025         }
2026         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
2027         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
2028         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2029         SCR_DrawLoadingStack();
2030 }
2031
2032 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
2033 {
2034         R_Mesh_Finish();
2035         // refresh
2036         VID_Finish();
2037 }
2038
2039 void SCR_UpdateLoadingScreen (qboolean clear)
2040 {
2041         keydest_t       old_key_dest;
2042         int                     old_key_consoleactive;
2043
2044         // don't do anything if not initialized yet
2045         if (vid_hidden || cls.state == ca_dedicated)
2046                 return;
2047
2048         if(!scr_loadingscreen_background.integer)
2049                 clear = true;
2050
2051         if(loadingscreentime == realtime)
2052                 clear |= loadingscreencleared;
2053
2054         if(loadingscreentime != realtime)
2055                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2056
2057         if(clear)
2058                 SCR_ClearLoadingScreenTexture();
2059         else if(loadingscreentime != realtime)
2060                 SCR_SetLoadingScreenTexture();
2061
2062         if(loadingscreentime != realtime)
2063         {
2064                 loadingscreentime = realtime;
2065                 loadingscreenheight = 0;
2066         }
2067         loadingscreencleared = clear;
2068
2069         SCR_DrawLoadingScreen_SharedSetup(clear);
2070         if (vid.stereobuffer)
2071         {
2072                 qglDrawBuffer(GL_BACK_LEFT);
2073                 SCR_DrawLoadingScreen(clear);
2074                 qglDrawBuffer(GL_BACK_RIGHT);
2075                 SCR_DrawLoadingScreen(clear);
2076         }
2077         else
2078         {
2079                 if (qglDrawBuffer)
2080                         qglDrawBuffer(GL_BACK);
2081                 SCR_DrawLoadingScreen(clear);
2082         }
2083         SCR_DrawLoadingScreen_SharedFinish(clear);
2084
2085         // this goes into the event loop, and should prevent unresponsive cursor on vista
2086         old_key_dest = key_dest;
2087         old_key_consoleactive = key_consoleactive;
2088         key_dest = key_void;
2089         key_consoleactive = false;
2090         Key_EventQueue_Block(); Sys_SendKeyEvents();
2091         key_dest = old_key_dest;
2092         key_consoleactive = old_key_consoleactive;
2093 }
2094
2095 qboolean R_Stereo_ColorMasking(void)
2096 {
2097         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2098 }
2099
2100 qboolean R_Stereo_Active(void)
2101 {
2102         return (vid.stereobuffer || r_stereo_sidebyside.integer || r_stereo_horizontal.integer || r_stereo_vertical.integer || R_Stereo_ColorMasking());
2103 }
2104
2105 extern cvar_t cl_minfps;
2106 extern cvar_t cl_minfps_fade;
2107 extern cvar_t cl_minfps_qualitymax;
2108 extern cvar_t cl_minfps_qualitymin;
2109 extern cvar_t cl_minfps_qualitypower;
2110 extern cvar_t cl_minfps_qualityscale;
2111 static double cl_updatescreen_rendertime = 0;
2112 static double cl_updatescreen_quality = 1;
2113 extern void Sbar_ShowFPS_Update(void);
2114 void CL_UpdateScreen(void)
2115 {
2116         double rendertime1;
2117         float conwidth, conheight;
2118         float f;
2119         r_viewport_t viewport;
2120
2121         Sbar_ShowFPS_Update();
2122
2123         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2124                 return;                         // not initialized yet
2125
2126         if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2127         {
2128                 // play a bit with the palette (experimental)
2129                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2130                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2131                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2132                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2133                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2134                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2135                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2136                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2137         }
2138
2139         if (vid_hidden)
2140         {
2141                 VID_Finish();
2142                 return;
2143         }
2144
2145         rendertime1 = Sys_DoubleTime();
2146
2147         conwidth = bound(160, vid_conwidth.value, 32768);
2148         conheight = bound(90, vid_conheight.value, 24576);
2149         if (vid_conwidth.value != conwidth)
2150                 Cvar_SetValue("vid_conwidth", conwidth);
2151         if (vid_conheight.value != conheight)
2152                 Cvar_SetValue("vid_conheight", conheight);
2153
2154         // bound viewsize
2155         if (scr_viewsize.value < 30)
2156                 Cvar_Set ("viewsize","30");
2157         if (scr_viewsize.value > 120)
2158                 Cvar_Set ("viewsize","120");
2159
2160         // bound field of view
2161         if (scr_fov.value < 1)
2162                 Cvar_Set ("fov","1");
2163         if (scr_fov.value > 170)
2164                 Cvar_Set ("fov","170");
2165
2166         // intermission is always full screen
2167         if (cl.intermission)
2168                 sb_lines = 0;
2169         else
2170         {
2171                 if (scr_viewsize.value >= 120)
2172                         sb_lines = 0;           // no status bar at all
2173                 else if (scr_viewsize.value >= 110)
2174                         sb_lines = 24;          // no inventory
2175                 else
2176                         sb_lines = 24+16+8;
2177         }
2178
2179         r_refdef.view.colormask[0] = 1;
2180         r_refdef.view.colormask[1] = 1;
2181         r_refdef.view.colormask[2] = 1;
2182
2183         SCR_SetUpToDrawConsole();
2184
2185         if (qglDrawBuffer)
2186         {
2187                 CHECKGLERROR
2188                 qglDrawBuffer(GL_BACK);CHECKGLERROR
2189                 // set dithering mode
2190                 if (gl_dither.integer)
2191                 {
2192                         qglEnable(GL_DITHER);CHECKGLERROR
2193                 }
2194                 else
2195                 {
2196                         qglDisable(GL_DITHER);CHECKGLERROR
2197                 }
2198         }
2199
2200         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2201         R_SetViewport(&viewport);
2202         GL_ScissorTest(false);
2203         GL_ColorMask(1,1,1,1);
2204         GL_DepthMask(true);
2205
2206         R_ClearScreen(false);
2207         r_refdef.view.clear = false;
2208         r_refdef.view.isoverlay = false;
2209         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2210         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2211
2212         if (qglPolygonStipple)
2213         {
2214                 if(scr_stipple.integer)
2215                 {
2216                         GLubyte stipple[128];
2217                         int i, s, width, parts;
2218                         static int frame = 0;
2219                         ++frame;
2220
2221                         s = scr_stipple.integer;
2222                         parts = (s & 007);
2223                         width = (s & 070) >> 3;
2224
2225                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2226                         for(i = 0; i < 128; ++i)
2227                         {
2228                                 int line = i/4;
2229                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2230                         }
2231                         qglPolygonStipple(stipple);CHECKGLERROR
2232                 }
2233                 else
2234                 {
2235                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2236                 }
2237         }
2238
2239         if (R_Stereo_Active())
2240         {
2241                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2242                 matrix4x4_t offsetmatrix;
2243                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2244                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2245
2246                 r_stereo_side = 0;
2247
2248                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2249                 {
2250                         r_refdef.view.colormask[0] = 1;
2251                         r_refdef.view.colormask[1] = 0;
2252                         r_refdef.view.colormask[2] = 0;
2253                 }
2254
2255                 if (vid.stereobuffer)
2256                         qglDrawBuffer(GL_BACK_RIGHT);
2257
2258                 SCR_DrawScreen();
2259
2260                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2261                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2262
2263                 r_stereo_side = 1;
2264
2265                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2266                 {
2267                         r_refdef.view.colormask[0] = 0;
2268                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2269                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2270                 }
2271
2272                 if (vid.stereobuffer)
2273                         qglDrawBuffer(GL_BACK_LEFT);
2274
2275                 SCR_DrawScreen();
2276
2277                 r_refdef.view.matrix = originalmatrix;
2278         }
2279         else
2280                 SCR_DrawScreen();
2281
2282         SCR_CaptureVideo();
2283
2284         if (qglFlush)
2285                 qglFlush(); // FIXME: should we really be using qglFlush here?
2286
2287         // quality adjustment according to render time
2288         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2289         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2290                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2291         else
2292                 cl_updatescreen_quality = 1;
2293
2294         if (!vid_activewindow)
2295                 VID_SetMouse(false, false, false);
2296         else if (key_consoleactive)
2297                 VID_SetMouse(vid.fullscreen, false, false);
2298         else if (key_dest == key_menu_grabbed)
2299                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2300         else if (key_dest == key_menu)
2301                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2302         else
2303                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && cl_prydoncursor.integer <= 0 && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2304
2305         VID_Finish();
2306 }
2307
2308 void CL_Screen_NewMap(void)
2309 {
2310 }