jpeg: perform picmip levels 1, 2, 3 accelerated by telling libjpeg to decode at small...
[xonotic/darkplaces.git] / cl_screen.c
1
2 #include "quakedef.h"
3 #include "cl_video.h"
4 #include "image.h"
5 #include "jpeg.h"
6 #include "image_png.h"
7 #include "cl_collision.h"
8 #include "libcurl.h"
9 #include "csprogs.h"
10 #include "cap_avi.h"
11 #include "cap_ogg.h"
12
13 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
14 #include "snd_main.h"
15
16 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
17 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
18 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background"};
19 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
20 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
21 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
22 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
23 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
24 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
25 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
26 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
27 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
28 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
29 cvar_t scr_loadingscreen_count = {0, "scr_loadingscreen_count","1", "number of loading screen files to use randomly (named loading.tga, loading2.tga, loading3.tga, ...)"};
30 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
31 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "a height loadingscreen progress bar"};
32 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
33 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
34 cvar_t vid_pixelheight = {CVAR_SAVE, "vid_pixelheight", "1", "adjusts vertical field of vision to account for non-square pixels (1280x1024 on a CRT monitor for example)"};
35 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
36 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
37 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
38 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
39 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
40 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
41 // scr_screenshot_name is defined in fs.c
42 cvar_t cl_capturevideo = {0, "cl_capturevideo", "0", "enables saving of video to a .avi file using uncompressed I420 colorspace and PCM audio, note that scr_screenshot_gammaboost affects the brightness of the output)"};
43 cvar_t cl_capturevideo_printfps = {CVAR_SAVE, "cl_capturevideo_printfps", "1", "prints the frames per second captured in capturevideo (is only written to the log file, not to the console, as that would be visible on the video)"};
44 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
45 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
46 cvar_t cl_capturevideo_realtime = {0, "cl_capturevideo_realtime", "0", "causes video saving to operate in realtime (mostly useful while playing, not while capturing demos), this can produce a much lower quality video due to poor sound/video sync and will abort saving if your machine stalls for over a minute"};
47 cvar_t cl_capturevideo_fps = {CVAR_SAVE, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
48 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
49 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
50 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
51 cvar_t cl_capturevideo_framestep = {CVAR_SAVE, "cl_capturevideo_framestep", "1", "when set to n >= 1, render n frames to capture one (useful for motion blur like effects)"};
52 cvar_t r_letterbox = {0, "r_letterbox", "0", "reduces vertical height of view to simulate a letterboxed movie effect (can be used by mods for cutscenes)"};
53 cvar_t r_stereo_separation = {0, "r_stereo_separation", "4", "separation distance of eyes in the world (negative values are only useful for cross-eyed viewing)"};
54 cvar_t r_stereo_sidebyside = {0, "r_stereo_sidebyside", "0", "side by side views for those who can't afford glasses but can afford eye strain (note: use a negative r_stereo_separation if you want cross-eyed viewing)"};
55 cvar_t r_stereo_redblue = {0, "r_stereo_redblue", "0", "red/blue anaglyph stereo glasses (note: most of these glasses are actually red/cyan, try that one too)"};
56 cvar_t r_stereo_redcyan = {0, "r_stereo_redcyan", "0", "red/cyan anaglyph stereo glasses, the kind given away at drive-in movies like Creature From The Black Lagoon In 3D"};
57 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
58 cvar_t r_stereo_angle = {0, "r_stereo_angle", "0", "separation angle of eyes (makes the views look different directions, as an example, 90 gives a 90 degree separation where the views are 45 degrees left and 45 degrees right)"};
59 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
60 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
61 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
62 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
63 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
64 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
65 cvar_t scr_screenshot_name_in_mapdir = {CVAR_SAVE, "scr_screenshot_name_in_mapdir", "0", "if set to 1, screenshots are placed in a subdirectory named like the map they are from"};
66 cvar_t shownetgraph = {CVAR_SAVE, "shownetgraph", "0", "shows a graph of packet sizes and other information, 0 = off, 1 = show client netgraph, 2 = show client and server netgraphs (when hosting a server)"};
67 cvar_t cl_demo_mousegrab = {0, "cl_demo_mousegrab", "0", "Allows reading the mouse input while playing demos. Useful for camera mods developed in csqc. (0: never, 1: always)"};
68 cvar_t timedemo_screenshotframelist = {0, "timedemo_screenshotframelist", "", "when performing a timedemo, take screenshots of each frame in this space-separated list - example: 1 201 401"};
69
70 extern cvar_t v_glslgamma;
71 extern cvar_t sbar_info_pos;
72 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
73
74 int jpeg_supported = false;
75
76 qboolean        scr_initialized;                // ready to draw
77
78 float           scr_con_current;
79 int                     scr_con_margin_bottom;
80
81 extern int      con_vislines;
82
83 static void SCR_ScreenShot_f (void);
84 static void R_Envmap_f (void);
85
86 // backend
87 void R_ClearScreen(qboolean fogcolor);
88
89 /*
90 ===============================================================================
91
92 CENTER PRINTING
93
94 ===============================================================================
95 */
96
97 char            scr_centerstring[MAX_INPUTLINE];
98 float           scr_centertime_start;   // for slow victory printing
99 float           scr_centertime_off;
100 int                     scr_center_lines;
101 int                     scr_erase_lines;
102 int                     scr_erase_center;
103 char        scr_infobarstring[MAX_INPUTLINE];
104 float       scr_infobartime_off;
105
106 /*
107 ==============
108 SCR_CenterPrint
109
110 Called for important messages that should stay in the center of the screen
111 for a few moments
112 ==============
113 */
114 void SCR_CenterPrint(const char *str)
115 {
116         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
117         scr_centertime_off = scr_centertime.value;
118         scr_centertime_start = cl.time;
119
120 // count the number of lines for centering
121         scr_center_lines = 1;
122         while (*str)
123         {
124                 if (*str == '\n')
125                         scr_center_lines++;
126                 str++;
127         }
128 }
129
130
131 void SCR_DrawCenterString (void)
132 {
133         char    *start;
134         int             x, y;
135         int             remaining;
136         int             color;
137
138         if(cl.intermission == 2) // in finale,
139                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
140                         return;
141
142         if(scr_centertime.value <= 0 && !cl.intermission)
143                 return;
144
145 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
146         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
147                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
148         else
149                 remaining = 9999;
150
151         scr_erase_center = 0;
152         start = scr_centerstring;
153
154         if (remaining < 1)
155                 return;
156
157         if (scr_center_lines <= 4)
158                 y = (int)(vid_conheight.integer*0.35);
159         else
160                 y = 48;
161
162         color = -1;
163         do
164         {
165                 // scan the number of characters on the line, not counting color codes
166                 char *newline = strchr(start, '\n');
167                 int l = newline ? (newline - start) : (int)strlen(start);
168                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
169
170                 x = (int) (vid_conwidth.integer - width)/2;
171                 if (l > 0)
172                 {
173                         if (remaining < l)
174                                 l = remaining;
175                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
176                         remaining -= l;
177                         if (remaining <= 0)
178                                 return;
179                 }
180                 y += 8;
181
182                 if (!newline)
183                         break;
184                 start = newline + 1; // skip the \n
185         } while (1);
186 }
187
188 void SCR_CheckDrawCenterString (void)
189 {
190         if (scr_center_lines > scr_erase_lines)
191                 scr_erase_lines = scr_center_lines;
192
193         if (cl.time > cl.oldtime)
194                 scr_centertime_off -= cl.time - cl.oldtime;
195
196         // don't draw if this is a normal stats-screen intermission,
197         // only if it is not an intermission, or a finale intermission
198         if (cl.intermission == 1)
199                 return;
200         if (scr_centertime_off <= 0 && !cl.intermission)
201                 return;
202         if (key_dest != key_game)
203                 return;
204
205         SCR_DrawCenterString ();
206 }
207
208 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
209 {
210         netgraphitem_t *graph;
211         int j, x, y;
212         int totalbytes = 0;
213         char bytesstring[128];
214         float g[NETGRAPH_PACKETS][6];
215         float *a;
216         float *b;
217         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
218         // draw the bar graph itself
219         // advance the packet counter because it is the latest packet column being
220         // built up and should come last
221         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
222         memset(g, 0, sizeof(g));
223         for (j = 0;j < NETGRAPH_PACKETS;j++)
224         {
225                 graph = netgraph + j;
226                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
227                 g[j][1] = 1.0f;
228                 g[j][2] = 1.0f;
229                 g[j][3] = 1.0f;
230                 g[j][4] = 1.0f;
231                 g[j][5] = 1.0f;
232                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
233                         g[j][1] = 0.00f;
234                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
235                         g[j][2] = 0.96f;
236                 else
237                 {
238                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
239                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
240                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
241                         // count bytes in the last second
242                         if (realtime - graph->time < 1.0f)
243                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
244                 }
245                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
246                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
247                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
248                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
249                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
250         }
251         // render the lines for the graph
252         for (j = 0;j < NETGRAPH_PACKETS;j++)
253         {
254                 a = g[j];
255                 b = g[(j+1)%NETGRAPH_PACKETS];
256                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
257                         continue;
258                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[2], graphx + graphwidth * b[0], graphy + graphheight * b[2], 1.0f, 1.0f, 0.0f, 1.0f, 0);
259                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[1], graphx + graphwidth * b[0], graphy + graphheight * b[1], 1.0f, 0.0f, 0.0f, 1.0f, 0);
260                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[5], graphx + graphwidth * b[0], graphy + graphheight * b[5], 0.0f, 1.0f, 0.0f, 1.0f, 0);
261                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[4], graphx + graphwidth * b[0], graphy + graphheight * b[4], 1.0f, 1.0f, 1.0f, 1.0f, 0);
262                 DrawQ_Line(0.0f, graphx + graphwidth * a[0], graphy + graphheight * a[3], graphx + graphwidth * b[0], graphy + graphheight * b[3], 1.0f, 0.5f, 0.0f, 1.0f, 0);
263         }
264         x = graphx;
265         y = graphy + graphheight;
266         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
267         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
268         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
269 }
270
271 /*
272 ==============
273 SCR_DrawNetGraph
274 ==============
275 */
276 void SCR_DrawNetGraph (void)
277 {
278         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
279         float graphscale;
280         netconn_t *c;
281
282         if (cls.state != ca_connected)
283                 return;
284         if (!cls.netcon)
285                 return;
286         if (!shownetgraph.integer)
287                 return;
288
289         separator1 = 2;
290         separator2 = 4;
291         textsize = 8;
292         graphwidth = 120;
293         graphheight = 70;
294         graphscale = 1.0f / 1500.0f;
295
296         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
297         netgraphsperrow = max(netgraphsperrow, 1);
298
299         index = 0;
300         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
301         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
302         c = cls.netcon;
303         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
304         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
305         index++;
306
307         if (sv.active && shownetgraph.integer >= 2)
308         {
309                 for (i = 0;i < svs.maxclients;i++)
310                 {
311                         c = svs.clients[i].netconnection;
312                         if (!c)
313                                 continue;
314                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
315                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
316                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
317                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
318                         index++;
319                 }
320         }
321 }
322
323 /*
324 ==============
325 SCR_DrawTurtle
326 ==============
327 */
328 void SCR_DrawTurtle (void)
329 {
330         static int      count;
331
332         if (cls.state != ca_connected)
333                 return;
334
335         if (!scr_showturtle.integer)
336                 return;
337
338         if (cl.realframetime < 0.1)
339         {
340                 count = 0;
341                 return;
342         }
343
344         count++;
345         if (count < 3)
346                 return;
347
348         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
349 }
350
351 /*
352 ==============
353 SCR_DrawNet
354 ==============
355 */
356 void SCR_DrawNet (void)
357 {
358         if (cls.state != ca_connected)
359                 return;
360         if (realtime - cl.last_received_message < 0.3)
361                 return;
362         if (cls.demoplayback)
363                 return;
364
365         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
366 }
367
368 /*
369 ==============
370 DrawPause
371 ==============
372 */
373 void SCR_DrawPause (void)
374 {
375         cachepic_t      *pic;
376
377         if (cls.state != ca_connected)
378                 return;
379
380         if (!scr_showpause.integer)             // turn off for screenshots
381                 return;
382
383         if (!cl.paused)
384                 return;
385
386         pic = Draw_CachePic ("gfx/pause");
387         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
388 }
389
390 /*
391 ==============
392 SCR_DrawBrand
393 ==============
394 */
395 void SCR_DrawBrand (void)
396 {
397         cachepic_t      *pic;
398         float           x, y;
399
400         if (!scr_showbrand.value)
401                 return;
402
403         pic = Draw_CachePic ("gfx/brand");
404
405         switch ((int)scr_showbrand.value)
406         {
407         case 1: // bottom left
408                 x = 0;
409                 y = vid_conheight.integer - pic->height;
410                 break;
411         case 2: // bottom centre
412                 x = (vid_conwidth.integer - pic->width) / 2;
413                 y = vid_conheight.integer - pic->height;
414                 break;
415         case 3: // bottom right
416                 x = vid_conwidth.integer - pic->width;
417                 y = vid_conheight.integer - pic->height;
418                 break;
419         case 4: // centre right
420                 x = vid_conwidth.integer - pic->width;
421                 y = (vid_conheight.integer - pic->height) / 2;
422                 break;
423         case 5: // top right
424                 x = vid_conwidth.integer - pic->width;
425                 y = 0;
426                 break;
427         case 6: // top centre
428                 x = (vid_conwidth.integer - pic->width) / 2;
429                 y = 0;
430                 break;
431         case 7: // top left
432                 x = 0;
433                 y = 0;
434                 break;
435         case 8: // centre left
436                 x = 0;
437                 y = (vid_conheight.integer - pic->height) / 2;
438                 break;
439         default:
440                 return;
441         }
442
443         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
444 }
445
446 /*
447 ==============
448 SCR_DrawQWDownload
449 ==============
450 */
451 static int SCR_DrawQWDownload(int offset)
452 {
453         // sync with SCR_InfobarHeight
454         int len;
455         float x, y;
456         float size = 8;
457         char temp[256];
458
459         if (!cls.qw_downloadname[0])
460         {
461                 cls.qw_downloadspeedrate = 0;
462                 cls.qw_downloadspeedtime = realtime;
463                 cls.qw_downloadspeedcount = 0;
464                 return 0;
465         }
466         if (realtime >= cls.qw_downloadspeedtime + 1)
467         {
468                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
469                 cls.qw_downloadspeedtime = realtime;
470                 cls.qw_downloadspeedcount = 0;
471         }
472         if (cls.protocol == PROTOCOL_QUAKEWORLD)
473                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s\n", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
474         else
475                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i/%i) at %i bytes/s\n", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadmemorymaxsize, cls.qw_downloadspeedrate);
476         len = (int)strlen(temp);
477         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
478         y = vid_conheight.integer - size - offset;
479         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
480         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
481         return 8;
482 }
483 /*
484 ==============
485 SCR_DrawInfobarString
486 ==============
487 */
488 static int SCR_DrawInfobarString(int offset)
489 {
490         int len;
491         float x, y;
492         float size = 8;
493
494         len = (int)strlen(scr_infobarstring);
495         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
496         y = vid_conheight.integer - size - offset;
497         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
498         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
499         return 8;
500 }
501
502 /*
503 ==============
504 SCR_DrawCurlDownload
505 ==============
506 */
507 static int SCR_DrawCurlDownload(int offset)
508 {
509         // sync with SCR_InfobarHeight
510         int len;
511         int nDownloads;
512         int i;
513         float x, y;
514         float size = 8;
515         Curl_downloadinfo_t *downinfo;
516         char temp[256];
517         const char *addinfo;
518
519         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
520         if(!downinfo)
521                 return 0;
522
523         y = vid_conheight.integer - size * nDownloads - offset;
524
525         if(addinfo)
526         {
527                 len = (int)strlen(addinfo);
528                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
529                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
530                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
531         }
532
533         for(i = 0; i != nDownloads; ++i)
534         {
535                 if(downinfo[i].queued)
536                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
537                 else if(downinfo[i].progress <= 0)
538                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
539                 else
540                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s\n", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
541                 len = (int)strlen(temp);
542                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
543                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
544                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
545         }
546
547         Z_Free(downinfo);
548
549         return 8 * (nDownloads + (addinfo ? 1 : 0));
550 }
551
552 /*
553 ==============
554 SCR_DrawInfobar
555 ==============
556 */
557 static void SCR_DrawInfobar(void)
558 {
559         int offset = 0;
560         if(scr_infobartime_off > 0)
561                 offset += SCR_DrawInfobarString(offset);
562         offset += SCR_DrawQWDownload(offset);
563         offset += SCR_DrawCurlDownload(offset);
564         if(offset != scr_con_margin_bottom)
565                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
566 }
567
568 static int SCR_InfobarHeight(void)
569 {
570         int offset = 0;
571         Curl_downloadinfo_t *downinfo;
572         const char *addinfo;
573         int nDownloads;
574
575         if (cl.time > cl.oldtime)
576                 scr_infobartime_off -= cl.time - cl.oldtime;
577         if(scr_infobartime_off > 0)
578                 offset += 8;
579
580         if(cls.qw_downloadname[0])
581                 offset += 8;
582
583         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
584         if(downinfo)
585         {
586                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
587                 Z_Free(downinfo);
588         }
589
590         return offset;
591 }
592
593 /*
594 ==============
595 SCR_InfoBar_f
596 ==============
597 */
598 void SCR_InfoBar_f(void)
599 {
600         if(Cmd_Argc() == 3)
601         {
602                 scr_infobartime_off = atof(Cmd_Argv(1));
603                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
604         }
605         else
606         {
607                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
608         }
609 }
610 //=============================================================================
611
612 /*
613 ==================
614 SCR_SetUpToDrawConsole
615 ==================
616 */
617 void SCR_SetUpToDrawConsole (void)
618 {
619         // lines of console to display
620         float conlines;
621         static int framecounter = 0;
622
623         Con_CheckResize ();
624
625         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
626         {
627                 if (framecounter >= 2)
628                         MR_ToggleMenu(1);
629                 else
630                         framecounter++;
631         }
632         else
633                 framecounter = 0;
634
635         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
636                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
637         else
638                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
639
640 // decide on the height of the console
641         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
642                 conlines = vid_conheight.integer/2;     // half screen
643         else
644                 conlines = 0;                           // none visible
645
646         scr_con_current = conlines;
647 }
648
649 /*
650 ==================
651 SCR_DrawConsole
652 ==================
653 */
654 void SCR_DrawConsole (void)
655 {
656         scr_con_margin_bottom = SCR_InfobarHeight();
657         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
658         {
659                 // full screen
660                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
661         }
662         else if (scr_con_current)
663                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
664         else
665                 con_vislines = 0;
666 }
667
668 /*
669 ===============
670 SCR_BeginLoadingPlaque
671
672 ================
673 */
674 void SCR_BeginLoadingPlaque (void)
675 {
676         // save console log up to this point to log_file if it was set by configs
677         Log_Start();
678
679         Host_StartVideo();
680         SCR_UpdateLoadingScreen(false);
681 }
682
683 //=============================================================================
684
685 char r_speeds_timestring[4096];
686 int speedstringcount, r_timereport_active;
687 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
688 int r_speeds_longestitem = 0;
689
690 void R_TimeReport(char *desc)
691 {
692         char tempbuf[256];
693         int length;
694         int t;
695
696         if (r_speeds.integer < 2 || !r_timereport_active)
697                 return;
698
699         CHECKGLERROR
700         if (r_speeds.integer == 2)
701                 qglFinish();
702         CHECKGLERROR
703         r_timereport_temp = r_timereport_current;
704         r_timereport_current = Sys_DoubleTime();
705         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
706
707         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
708         length = min(length, (int)sizeof(tempbuf) - 1);
709         if (r_speeds_longestitem < length)
710                 r_speeds_longestitem = length;
711         for (;length < r_speeds_longestitem;length++)
712                 tempbuf[length] = ' ';
713         tempbuf[length] = 0;
714
715         if (speedstringcount + length > (vid_conwidth.integer / 8))
716         {
717                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
718                 speedstringcount = 0;
719         }
720         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
721         speedstringcount += length;
722 }
723
724 void R_TimeReport_BeginFrame(void)
725 {
726         speedstringcount = 0;
727         r_speeds_timestring[0] = 0;
728         r_timereport_active = false;
729         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
730
731         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
732         {
733                 r_timereport_active = true;
734                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
735         }
736 }
737
738 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
739 {
740         int i, triangles = 0;
741         for (i = 0;i < leaf->numleafsurfaces;i++)
742                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
743         return triangles;
744 }
745
746 void R_TimeReport_EndFrame(void)
747 {
748         int i, j, lines, y;
749         cl_locnode_t *loc;
750         char string[1024+4096];
751         mleaf_t *viewleaf;
752
753         string[0] = 0;
754         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
755         {
756                 // put the location name in the r_speeds display as it greatly helps
757                 // when creating loc files
758                 loc = CL_Locs_FindNearest(cl.movement_origin);
759                 viewleaf = (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.PointInLeaf) ? r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, r_refdef.view.origin) : NULL;
760                 dpsnprintf(string, sizeof(string),
761 "%s%s\n"
762 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
763 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
764 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
765 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
766 "%7i lightmap updates (%7i pixels)\n"
767 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
768 "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n"
769 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
770 "%s"
771 , loc ? "Location: " : "", loc ? loc->name : ""
772 , 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]
773 , 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
774 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
775 , 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)
776 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
777 , 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
778 , r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
779 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
780 , r_speeds_timestring);
781
782                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
783
784                 speedstringcount = 0;
785                 r_speeds_timestring[0] = 0;
786                 r_timereport_active = false;
787
788                 if (r_speeds.integer >= 2)
789                 {
790                         r_timereport_active = true;
791                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
792                 }
793         }
794
795         if (string[0])
796         {
797                 if (string[strlen(string)-1] == '\n')
798                         string[strlen(string)-1] = 0;
799                 lines = 1;
800                 for (i = 0;string[i];i++)
801                         if (string[i] == '\n')
802                                 lines++;
803                 y = vid_conheight.integer - sb_lines - lines * 8;
804                 i = j = 0;
805                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
806                 while (string[i])
807                 {
808                         j = i;
809                         while (string[i] && string[i] != '\n')
810                                 i++;
811                         if (i - j > 0)
812                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
813                         if (string[i] == '\n')
814                                 i++;
815                         y += 8;
816                 }
817         }
818 }
819
820 /*
821 =================
822 SCR_SizeUp_f
823
824 Keybinding command
825 =================
826 */
827 void SCR_SizeUp_f (void)
828 {
829         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
830 }
831
832
833 /*
834 =================
835 SCR_SizeDown_f
836
837 Keybinding command
838 =================
839 */
840 void SCR_SizeDown_f (void)
841 {
842         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
843 }
844
845 void SCR_CaptureVideo_EndVideo(void);
846 void CL_Screen_Shutdown(void)
847 {
848         SCR_CaptureVideo_EndVideo();
849 }
850
851 void CL_Screen_Init(void)
852 {
853         Cvar_RegisterVariable (&scr_fov);
854         Cvar_RegisterVariable (&scr_viewsize);
855         Cvar_RegisterVariable (&scr_conalpha);
856         Cvar_RegisterVariable (&scr_conbrightness);
857         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
858         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
859         Cvar_RegisterVariable (&scr_loadingscreen_background);
860         Cvar_RegisterVariable (&scr_loadingscreen_count);
861         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
862         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
863         Cvar_RegisterVariable (&scr_showram);
864         Cvar_RegisterVariable (&scr_showturtle);
865         Cvar_RegisterVariable (&scr_showpause);
866         Cvar_RegisterVariable (&scr_showbrand);
867         Cvar_RegisterVariable (&scr_centertime);
868         Cvar_RegisterVariable (&scr_printspeed);
869         Cvar_RegisterVariable (&vid_conwidth);
870         Cvar_RegisterVariable (&vid_conheight);
871         Cvar_RegisterVariable (&vid_pixelheight);
872         Cvar_RegisterVariable (&scr_screenshot_jpeg);
873         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
874         Cvar_RegisterVariable (&scr_screenshot_png);
875         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
876         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
877         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
878         Cvar_RegisterVariable (&scr_screenshot_alpha);
879         Cvar_RegisterVariable (&cl_capturevideo);
880         Cvar_RegisterVariable (&cl_capturevideo_printfps);
881         Cvar_RegisterVariable (&cl_capturevideo_width);
882         Cvar_RegisterVariable (&cl_capturevideo_height);
883         Cvar_RegisterVariable (&cl_capturevideo_realtime);
884         Cvar_RegisterVariable (&cl_capturevideo_fps);
885         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
886         Cvar_RegisterVariable (&cl_capturevideo_number);
887         Cvar_RegisterVariable (&cl_capturevideo_ogg);
888         Cvar_RegisterVariable (&cl_capturevideo_framestep);
889         Cvar_RegisterVariable (&r_letterbox);
890         Cvar_RegisterVariable(&r_stereo_separation);
891         Cvar_RegisterVariable(&r_stereo_sidebyside);
892         Cvar_RegisterVariable(&r_stereo_redblue);
893         Cvar_RegisterVariable(&r_stereo_redcyan);
894         Cvar_RegisterVariable(&r_stereo_redgreen);
895         Cvar_RegisterVariable(&r_stereo_angle);
896         Cvar_RegisterVariable(&scr_zoomwindow);
897         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
898         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
899         Cvar_RegisterVariable(&scr_zoomwindow_fov);
900         Cvar_RegisterVariable(&scr_stipple);
901         Cvar_RegisterVariable(&scr_refresh);
902         Cvar_RegisterVariable(&shownetgraph);
903         Cvar_RegisterVariable(&cl_demo_mousegrab);
904         Cvar_RegisterVariable(&timedemo_screenshotframelist);
905
906         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
907         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
908         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
909         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
910         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
911
912         SCR_CaptureVideo_Ogg_Init();
913
914         scr_initialized = true;
915 }
916
917 /*
918 ==================
919 SCR_ScreenShot_f
920 ==================
921 */
922 void SCR_ScreenShot_f (void)
923 {
924         static int shotnumber;
925         static char old_prefix_name[MAX_QPATH];
926         char prefix_name[MAX_QPATH];
927         char filename[MAX_QPATH];
928         unsigned char *buffer1;
929         unsigned char *buffer2;
930         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
931         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
932
933         if (Cmd_Argc() == 2)
934         {
935                 const char *ext;
936                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
937                 ext = FS_FileExtension(filename);
938                 if (!strcasecmp(ext, "jpg"))
939                 {
940                         jpeg = true;
941                         png = false;
942                 }
943                 else if (!strcasecmp(ext, "tga"))
944                 {
945                         jpeg = false;
946                         png = false;
947                 }
948                 else if (!strcasecmp(ext, "png"))
949                 {
950                         jpeg = false;
951                         png = true;
952                 }
953                 else
954                 {
955                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
956                         return;
957                 }
958         }
959         else
960         {
961                 // TODO maybe make capturevideo and screenshot use similar name patterns?
962                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
963                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
964                 else
965                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
966
967                 if (strcmp(old_prefix_name, prefix_name))
968                 {
969                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
970                         shotnumber = 0;
971                 }
972
973                 // find a file name to save it to
974                 for (;shotnumber < 1000000;shotnumber++)
975                         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)))
976                                 break;
977                 if (shotnumber >= 1000000)
978                 {
979                         Con_Print("Couldn't create the image file\n");
980                         return;
981                 }
982
983                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
984         }
985
986         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
987         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
988
989         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer))
990                 Con_Printf("Wrote %s\n", filename);
991         else
992         {
993                 Con_Printf("Unable to write %s\n", filename);
994                 if(jpeg || png)
995                 {
996                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer))
997                         {
998                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
999                                 Con_Printf("Wrote %s\n", filename);
1000                         }
1001                 }
1002         }
1003
1004         Mem_Free (buffer1);
1005         Mem_Free (buffer2);
1006
1007         shotnumber++;
1008 }
1009
1010 void SCR_CaptureVideo_BeginVideo(void)
1011 {
1012         double r, g, b;
1013         unsigned int i;
1014         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1015         if (cls.capturevideo.active)
1016                 return;
1017         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1018         // soundrate is figured out on the first SoundFrame
1019
1020         if(width == 0 && height != 0)
1021                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1022         if(width != 0 && height == 0)
1023                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1024
1025         if(width < 2 || width > vid.width) // can't scale up
1026                 width = vid.width;
1027         if(height < 2 || height > vid.height) // can't scale up
1028                 height = vid.height;
1029
1030         // ensure it's all even; if not, scale down a little
1031         if(width % 1)
1032                 --width;
1033         if(height % 1)
1034                 --height;
1035
1036         cls.capturevideo.width = width;
1037         cls.capturevideo.height = height;
1038         cls.capturevideo.active = true;
1039         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1040         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1041         cls.capturevideo.soundrate = S_GetSoundRate();
1042         cls.capturevideo.soundchannels = S_GetSoundChannels();
1043         cls.capturevideo.startrealtime = realtime;
1044         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1045         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1046         cls.capturevideo.soundsampleframe = 0;
1047         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1048         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1049         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1050         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1051         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1052
1053         /*
1054         for (i = 0;i < 256;i++)
1055         {
1056                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1057                 cls.capturevideo.rgbgammatable[0][i] = j;
1058                 cls.capturevideo.rgbgammatable[1][i] = j;
1059                 cls.capturevideo.rgbgammatable[2][i] = j;
1060         }
1061         */
1062 /*
1063 R = Y + 1.4075 * (Cr - 128);
1064 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1065 B = Y + 1.7790 * (Cb - 128);
1066 Y = R *  .299 + G *  .587 + B *  .114;
1067 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1068 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1069 */
1070
1071         if(WANT_SCREENSHOT_HWGAMMA)
1072         {
1073                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1074         }
1075         else
1076         {
1077                 // identity gamma table
1078                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1079                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1080                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1081         }
1082         if(scr_screenshot_gammaboost.value != 1)
1083         {
1084                 double igamma = 1 / scr_screenshot_gammaboost.value;
1085                 for (i = 0;i < 256 * 3;i++)
1086                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1087         }
1088
1089         for (i = 0;i < 256;i++)
1090         {
1091                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1092                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1093                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1094                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1095                 // Y weights from RGB
1096                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1097                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1098                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1099                 // Cb weights from RGB
1100                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1101                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1102                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1103                 // Cr weights from RGB
1104                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1105                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1106                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1107                 // range reduction of YCbCr to valid signal range
1108                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1109                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1110                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1111         }
1112
1113         if (cl_capturevideo_ogg.integer)
1114         {
1115                 if(SCR_CaptureVideo_Ogg_Available())
1116                 {
1117                         SCR_CaptureVideo_Ogg_BeginVideo();
1118                         return;
1119                 }
1120                 else
1121                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1122         }
1123
1124         SCR_CaptureVideo_Avi_BeginVideo();
1125 }
1126
1127 void SCR_CaptureVideo_EndVideo(void)
1128 {
1129         if (!cls.capturevideo.active)
1130                 return;
1131         cls.capturevideo.active = false;
1132
1133         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);
1134
1135         if (cls.capturevideo.videofile)
1136         {
1137                 cls.capturevideo.endvideo();
1138         }
1139
1140         if (cls.capturevideo.screenbuffer)
1141         {
1142                 Mem_Free (cls.capturevideo.screenbuffer);
1143                 cls.capturevideo.screenbuffer = NULL;
1144         }
1145
1146         if (cls.capturevideo.outbuffer)
1147         {
1148                 Mem_Free (cls.capturevideo.outbuffer);
1149                 cls.capturevideo.outbuffer = NULL;
1150         }
1151
1152         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1153 }
1154
1155 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1156 {
1157         // TODO optimize this function
1158
1159         int x, y;
1160         float area;
1161
1162         // memcpy is faster than me
1163         if(inw == outw && inh == outh)
1164         {
1165                 memcpy(out, in, 4 * inw * inh);
1166                 return;
1167         }
1168
1169         // otherwise: a box filter
1170         area = (float)outw * (float)outh / (float)inw / (float)inh;
1171         for(y = 0; y < outh; ++y)
1172         {
1173                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1174                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1175                 for(x = 0; x < outw; ++x)
1176                 {
1177                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1178                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1179                         float r = 0, g = 0, b = 0, alpha = 0;
1180                         int xx, yy;
1181
1182                         for(yy = iny0_i; yy < iny1_i; ++yy)
1183                         {
1184                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1185                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1186                                 {
1187                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1188                                         r += a * in[4*(xx + inw * yy)+0];
1189                                         g += a * in[4*(xx + inw * yy)+1];
1190                                         b += a * in[4*(xx + inw * yy)+2];
1191                                         alpha += a * in[4*(xx + inw * yy)+3];
1192                                 }
1193                         }
1194
1195                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1196                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1197                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1198                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1199                 }
1200         }
1201 }
1202
1203 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1204 {
1205         int x = 0, y = 0;
1206         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1207
1208         if(newframestepframenum == cls.capturevideo.framestepframe)
1209                 return;
1210
1211         CHECKGLERROR
1212         // speed is critical here, so do saving as directly as possible
1213
1214         qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1215         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1216
1217         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1218         cls.capturevideo.framestepframe = newframestepframenum;
1219
1220         if(cl_capturevideo_printfps.integer)
1221         {
1222                 char buf[80];
1223                 double t = Sys_DoubleTime();
1224                 if(t > cls.capturevideo.lastfpstime + 1)
1225                 {
1226                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1227                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1228                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1229                         Sys_PrintToTerminal(buf);
1230                         cls.capturevideo.lastfpstime = t;
1231                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1232                 }
1233         }
1234 }
1235
1236 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1237 {
1238         cls.capturevideo.soundsampleframe += length;
1239         cls.capturevideo.soundframe(paintbuffer, length);
1240 }
1241
1242 void SCR_CaptureVideo(void)
1243 {
1244         int newframenum;
1245         if (cl_capturevideo.integer)
1246         {
1247                 if (!cls.capturevideo.active)
1248                         SCR_CaptureVideo_BeginVideo();
1249                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1250                 {
1251                         Con_Printf("You can not change the video framerate while recording a video.\n");
1252                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1253                 }
1254                 // for AVI saving we have to make sure that sound is saved before video
1255                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1256                         return;
1257                 if (cls.capturevideo.realtime)
1258                 {
1259                         // preserve sound sync by duplicating frames when running slow
1260                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1261                 }
1262                 else
1263                         newframenum = cls.capturevideo.frame + 1;
1264                 // if falling behind more than one second, stop
1265                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1266                 {
1267                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1268                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1269                         SCR_CaptureVideo_EndVideo();
1270                         return;
1271                 }
1272                 // write frames
1273                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1274                 cls.capturevideo.frame = newframenum;
1275                 if (cls.capturevideo.error)
1276                 {
1277                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1278                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1279                         SCR_CaptureVideo_EndVideo();
1280                 }
1281         }
1282         else if (cls.capturevideo.active)
1283                 SCR_CaptureVideo_EndVideo();
1284 }
1285
1286 /*
1287 ===============
1288 R_Envmap_f
1289
1290 Grab six views for environment mapping tests
1291 ===============
1292 */
1293 struct envmapinfo_s
1294 {
1295         float angles[3];
1296         char *name;
1297         qboolean flipx, flipy, flipdiagonaly;
1298 }
1299 envmapinfo[12] =
1300 {
1301         {{  0,   0, 0}, "rt", false, false, false},
1302         {{  0, 270, 0}, "ft", false, false, false},
1303         {{  0, 180, 0}, "lf", false, false, false},
1304         {{  0,  90, 0}, "bk", false, false, false},
1305         {{-90, 180, 0}, "up",  true,  true, false},
1306         {{ 90, 180, 0}, "dn",  true,  true, false},
1307
1308         {{  0,   0, 0}, "px",  true,  true,  true},
1309         {{  0,  90, 0}, "py", false,  true, false},
1310         {{  0, 180, 0}, "nx", false, false,  true},
1311         {{  0, 270, 0}, "ny",  true, false, false},
1312         {{-90, 180, 0}, "pz", false, false,  true},
1313         {{ 90, 180, 0}, "nz", false, false,  true}
1314 };
1315
1316 static void R_Envmap_f (void)
1317 {
1318         int j, size;
1319         char filename[MAX_QPATH], basename[MAX_QPATH];
1320         unsigned char *buffer1;
1321         unsigned char *buffer2;
1322
1323         if (Cmd_Argc() != 3)
1324         {
1325                 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");
1326                 return;
1327         }
1328
1329         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1330         size = atoi(Cmd_Argv(2));
1331         if (size != 128 && size != 256 && size != 512 && size != 1024)
1332         {
1333                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1334                 return;
1335         }
1336         if (size > vid.width || size > vid.height)
1337         {
1338                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1339                 return;
1340         }
1341
1342         r_refdef.envmap = true;
1343
1344         R_UpdateVariables();
1345
1346         r_refdef.view.x = 0;
1347         r_refdef.view.y = 0;
1348         r_refdef.view.z = 0;
1349         r_refdef.view.width = size;
1350         r_refdef.view.height = size;
1351         r_refdef.view.depth = 1;
1352         r_refdef.view.useperspective = true;
1353         r_refdef.view.isoverlay = false;
1354
1355         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1356         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1357
1358         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1359         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1360
1361         for (j = 0;j < 12;j++)
1362         {
1363                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1364                 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);
1365                 r_refdef.view.quality = 1;
1366                 r_refdef.view.clear = true;
1367                 R_Mesh_Start();
1368                 R_RenderView();
1369                 R_Mesh_Finish();
1370                 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);
1371         }
1372
1373         Mem_Free (buffer1);
1374         Mem_Free (buffer2);
1375
1376         r_refdef.envmap = false;
1377 }
1378
1379 //=============================================================================
1380
1381 void SHOWLMP_decodehide(void)
1382 {
1383         int i;
1384         char *lmplabel;
1385         lmplabel = MSG_ReadString();
1386         for (i = 0;i < cl.num_showlmps;i++)
1387                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1388                 {
1389                         cl.showlmps[i].isactive = false;
1390                         return;
1391                 }
1392 }
1393
1394 void SHOWLMP_decodeshow(void)
1395 {
1396         int k;
1397         char lmplabel[256], picname[256];
1398         float x, y;
1399         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1400         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1401         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1402         {
1403                 x = MSG_ReadByte();
1404                 y = MSG_ReadByte();
1405         }
1406         else
1407         {
1408                 x = MSG_ReadShort();
1409                 y = MSG_ReadShort();
1410         }
1411         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1412         {
1413                 showlmp_t *oldshowlmps = cl.showlmps;
1414                 cl.max_showlmps += 16;
1415                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1416                 if (cl.num_showlmps)
1417                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1418                 if (oldshowlmps)
1419                         Mem_Free(oldshowlmps);
1420         }
1421         for (k = 0;k < cl.max_showlmps;k++)
1422                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1423                         break;
1424         if (k == cl.max_showlmps)
1425                 for (k = 0;k < cl.max_showlmps;k++)
1426                         if (!cl.showlmps[k].isactive)
1427                                 break;
1428         cl.showlmps[k].isactive = true;
1429         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1430         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1431         cl.showlmps[k].x = x;
1432         cl.showlmps[k].y = y;
1433         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1434 }
1435
1436 void SHOWLMP_drawall(void)
1437 {
1438         int i;
1439         for (i = 0;i < cl.num_showlmps;i++)
1440                 if (cl.showlmps[i].isactive)
1441                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic (cl.showlmps[i].pic), 0, 0, 1, 1, 1, 1, 0);
1442 }
1443
1444 /*
1445 ==============================================================================
1446
1447                                                 SCREEN SHOTS
1448
1449 ==============================================================================
1450 */
1451
1452 // buffer1: 4*w*h
1453 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1454 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)
1455 {
1456         int     indices[4] = {0,1,2,3}; // BGRA
1457         qboolean ret;
1458
1459         CHECKGLERROR
1460         qglReadPixels (x, y, width, height, GL_BGRA, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1461
1462         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1463         {
1464                 int i;
1465                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1466                 unsigned short vidramp[256 * 3];
1467                 if(WANT_SCREENSHOT_HWGAMMA)
1468                 {
1469                         VID_BuildGammaTables(&vidramp[0], 256);
1470                 }
1471                 else
1472                 {
1473                         // identity gamma table
1474                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1475                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1476                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1477                 }
1478                 if(scr_screenshot_gammaboost.value != 1)
1479                 {
1480                         for (i = 0;i < 256 * 3;i++)
1481                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1482                 }
1483                 for (i = 0;i < width*height*4;i += 4)
1484                 {
1485                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1486                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1487                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1488                         // A
1489                 }
1490         }
1491
1492         if(keep_alpha && !jpeg)
1493         {
1494                 if(!png)
1495                         flipy = !flipy; // TGA: not preflipped
1496                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1497                 if (png)
1498                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1499                 else
1500                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1501         }
1502         else
1503         {
1504                 if(jpeg)
1505                 {
1506                         indices[0] = 2;
1507                         indices[2] = 0; // RGB
1508                 }
1509                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1510                 if (jpeg)
1511                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1512                 else if (png)
1513                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1514                 else
1515                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1516         }
1517
1518         return ret;
1519 }
1520
1521 //=============================================================================
1522
1523 extern void R_UpdateFogColor(void);
1524 void R_ClearScreen(qboolean fogcolor)
1525 {
1526         // clear to black
1527         CHECKGLERROR
1528         if (fogcolor)
1529         {
1530                 R_UpdateFogColor();
1531                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1532         }
1533         else
1534         {
1535                 qglClearColor(0,0,0,0);CHECKGLERROR
1536         }
1537         qglClearDepth(1);CHECKGLERROR
1538         if (vid.stencil)
1539         {
1540                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1541                 // to avoid clamping interfering with strange shadow volume
1542                 // drawing orders
1543                 qglClearStencil(128);CHECKGLERROR
1544         }
1545         // clear the screen
1546         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0));
1547         // set dithering mode
1548         if (gl_dither.integer)
1549         {
1550                 qglEnable(GL_DITHER);CHECKGLERROR
1551         }
1552         else
1553         {
1554                 qglDisable(GL_DITHER);CHECKGLERROR
1555         }
1556 }
1557
1558 qboolean CL_VM_UpdateView (void);
1559 void SCR_DrawConsole (void);
1560 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1561
1562 int r_stereo_side;
1563
1564 extern void Sbar_ShowFPS(void);
1565 void SCR_DrawScreen (void)
1566 {
1567         Draw_Frame();
1568
1569         R_Mesh_Start();
1570
1571         R_UpdateVariables();
1572
1573         // Quake uses clockwise winding, so these are swapped
1574         r_refdef.view.cullface_front = GL_BACK;
1575         r_refdef.view.cullface_back = GL_FRONT;
1576
1577         if (cls.signon == SIGNONS)
1578         {
1579                 float size;
1580
1581                 size = scr_viewsize.value * (1.0 / 100.0);
1582                 size = min(size, 1);
1583
1584                 if (r_stereo_sidebyside.integer)
1585                 {
1586                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1587                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1588                         r_refdef.view.depth = 1;
1589                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1590                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1591                         r_refdef.view.z = 0;
1592                         if (r_stereo_side)
1593                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1594                 }
1595                 else
1596                 {
1597                         r_refdef.view.width = (int)(vid.width * size);
1598                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1599                         r_refdef.view.depth = 1;
1600                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1601                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1602                         r_refdef.view.z = 0;
1603                 }
1604
1605                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1606                 // LordHavoc: this is designed to produce widescreen fov values
1607                 // when the screen is wider than 4/3 width/height aspect, to do
1608                 // this it simply assumes the requested fov is the vertical fov
1609                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1610                 // higher/lower according to the ratio
1611                 r_refdef.view.useperspective = true;
1612                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1613                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1614
1615                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1616                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1617
1618                 if(!CL_VM_UpdateView())
1619                         R_RenderView();
1620
1621                 if (scr_zoomwindow.integer)
1622                 {
1623                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1624                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1625                         r_refdef.view.width = (int)(vid.width * sizex);
1626                         r_refdef.view.height = (int)(vid.height * sizey);
1627                         r_refdef.view.depth = 1;
1628                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1629                         r_refdef.view.y = 0;
1630                         r_refdef.view.z = 0;
1631
1632                         r_refdef.view.useperspective = true;
1633                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1634                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1635
1636                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1637                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1638
1639                         if(!CL_VM_UpdateView())
1640                                 R_RenderView();
1641                 }
1642         }
1643
1644         if (!r_stereo_sidebyside.integer)
1645         {
1646                 r_refdef.view.width = vid.width;
1647                 r_refdef.view.height = vid.height;
1648                 r_refdef.view.depth = 1;
1649                 r_refdef.view.x = 0;
1650                 r_refdef.view.y = 0;
1651                 r_refdef.view.z = 0;
1652                 r_refdef.view.useperspective = false;
1653         }
1654
1655         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1656         {
1657                 const char *t;
1658                 int framenum;
1659                 t = timedemo_screenshotframelist.string;
1660                 while (*t)
1661                 {
1662                         while (*t == ' ')
1663                                 t++;
1664                         if (!*t)
1665                                 break;
1666                         framenum = atof(t);
1667                         if (framenum == cls.td_frames)
1668                                 break;
1669                         while (*t && *t != ' ')
1670                                 t++;
1671                 }
1672                 if (*t)
1673                 {
1674                         // we need to take a screenshot of this frame...
1675                         char filename[MAX_QPATH];
1676                         unsigned char *buffer1;
1677                         unsigned char *buffer2;
1678                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1679                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1680                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1681                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1682                         Mem_Free(buffer1);
1683                         Mem_Free(buffer2);
1684                 }
1685         }
1686
1687         // draw 2D stuff
1688         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1689                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1690                         Con_DrawNotify ();      // only draw notify in game
1691
1692         if (cls.signon == SIGNONS)
1693         {
1694                 SCR_DrawNet ();
1695                 SCR_DrawTurtle ();
1696                 SCR_DrawPause ();
1697                 if (!r_letterbox.value)
1698                         Sbar_Draw();
1699                 Sbar_ShowFPS();
1700                 SHOWLMP_drawall();
1701                 SCR_CheckDrawCenterString();
1702         }
1703         SCR_DrawNetGraph ();
1704         MR_Draw();
1705         CL_DrawVideo();
1706         R_Shadow_EditLights_DrawSelectedLightProperties();
1707
1708         SCR_DrawConsole();
1709
1710         SCR_DrawBrand();
1711
1712         SCR_DrawInfobar();
1713
1714         if (r_timereport_active)
1715                 R_TimeReport("2d");
1716
1717         if (cls.signon == SIGNONS)
1718         {
1719                 R_TimeReport_EndFrame();
1720                 R_TimeReport_BeginFrame();
1721         }
1722
1723         DrawQ_Finish();
1724
1725         R_DrawGamma();
1726
1727         R_Mesh_Finish();
1728 }
1729
1730 typedef struct loadingscreenstack_s
1731 {
1732         struct loadingscreenstack_s *prev;
1733         char msg[MAX_QPATH];
1734         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1735         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1736         float relative_completion; // 0 .. 1
1737 }
1738 loadingscreenstack_t;
1739 static loadingscreenstack_t *loadingscreenstack = NULL;
1740 static double loadingscreentime = -1;
1741 static qboolean loadingscreencleared = false;
1742 static float loadingscreenheight = 0;
1743 rtexture_t *loadingscreentexture = NULL;
1744 static float loadingscreentexture_vertex3f[12];
1745 static float loadingscreentexture_texcoord2f[8];
1746 static int loadingscreenpic_number = 0;
1747
1748 static void SCR_ClearLoadingScreenTexture(void)
1749 {
1750         if(loadingscreentexture)
1751                 R_FreeTexture(loadingscreentexture);
1752         loadingscreentexture = NULL;
1753 }
1754
1755 extern rtexturepool_t *r_main_texturepool;
1756 static void SCR_SetLoadingScreenTexture(void)
1757 {
1758         int w, h;
1759         float loadingscreentexture_w;
1760         float loadingscreentexture_h;
1761
1762         SCR_ClearLoadingScreenTexture();
1763
1764         if (vid.support.arb_texture_non_power_of_two)
1765         {
1766                 w = vid.width; h = vid.height;
1767                 loadingscreentexture_w = loadingscreentexture_h = 1;
1768         }
1769         else
1770         {
1771                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1772                 loadingscreentexture_w = vid.width / (float) w;
1773                 loadingscreentexture_h = vid.height / (float) h;
1774         }
1775
1776         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
1777         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1778
1779         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1780         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1781         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1782         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1783         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1784         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1785         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1786         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1787         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1788 }
1789
1790 void SCR_UpdateLoadingScreenIfShown(void)
1791 {
1792         if(realtime == loadingscreentime)
1793                 SCR_UpdateLoadingScreen(loadingscreencleared);
1794 }
1795
1796 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1797 {
1798         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1799         s->prev = loadingscreenstack;
1800         loadingscreenstack = s;
1801
1802         strlcpy(s->msg, msg, sizeof(s->msg));
1803         s->relative_completion = 0;
1804
1805         if(s->prev)
1806         {
1807                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1808                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1809                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1810                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1811         }
1812         else
1813         {
1814                 s->absolute_loading_amount_min = 0;
1815                 s->absolute_loading_amount_len = 1;
1816         }
1817
1818         if(redraw)
1819                 SCR_UpdateLoadingScreenIfShown();
1820 }
1821
1822 void SCR_PopLoadingScreen (qboolean redraw)
1823 {
1824         loadingscreenstack_t *s = loadingscreenstack;
1825
1826         if(!s)
1827         {
1828                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1829                 return;
1830         }
1831
1832         loadingscreenstack = s->prev;
1833         if(s->prev)
1834                 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;
1835         Z_Free(s);
1836
1837         if(redraw)
1838                 SCR_UpdateLoadingScreenIfShown();
1839 }
1840
1841 void SCR_ClearLoadingScreen (qboolean redraw)
1842 {
1843         while(loadingscreenstack)
1844                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1845 }
1846
1847 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1848 {
1849         float x;
1850         size_t len;
1851         float total;
1852
1853         total = 0;
1854 #if 0
1855         if(s)
1856         {
1857                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1858                 y -= total;
1859                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1860                 {
1861                         len = strlen(s->msg);
1862                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1863                         y -= size;
1864                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1865                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1866                         total += size;
1867                 }
1868         }
1869 #else
1870         if(s)
1871         {
1872                 len = strlen(s->msg);
1873                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1874                 y -= size;
1875                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1876                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1877                 total += size;
1878         }
1879 #endif
1880         return total;
1881 }
1882
1883 static void SCR_DrawLoadingStack(void)
1884 {
1885         float verts[12];
1886         float colors[16];
1887
1888         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1889         if(loadingscreenstack)
1890         {
1891                 // height = 32; // sorry, using the actual one is ugly
1892                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1893                 GL_DepthRange(0, 1);
1894                 GL_PolygonOffset(0, 0);
1895                 GL_DepthTest(false);
1896                 R_Mesh_ResetTextureState();
1897                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1898                 verts[0] = verts[9] = 0;
1899                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1900                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1901                 verts[7] = verts[10] = vid_conheight.integer;
1902                 
1903 #if _MSC_VER >= 1400
1904 #define sscanf sscanf_s
1905 #endif
1906                 //                                        ^^^^^^^^^^ blue component
1907                 //                              ^^^^^^ bottom row
1908                 //          ^^^^^^^^^^^^ alpha is always on
1909                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
1910                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
1911                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
1912                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
1913
1914                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
1915                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1916                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1917
1918                 // make sure everything is cleared, including the progress indicator
1919                 if(loadingscreenheight < 8)
1920                         loadingscreenheight = 8;
1921         }
1922 }
1923
1924 static cachepic_t *loadingscreenpic;
1925 static float loadingscreenpic_vertex3f[12];
1926 static float loadingscreenpic_texcoord2f[8];
1927
1928 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
1929 {
1930         r_viewport_t viewport;
1931         float x, y;
1932         // release mouse grab while loading
1933         if (!vid.fullscreen)
1934                 VID_SetMouse(false, false, false);
1935         CHECKGLERROR
1936         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
1937         R_SetViewport(&viewport);
1938         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1939         //qglDepthMask(1);CHECKGLERROR
1940         qglColorMask(1,1,1,1);CHECKGLERROR
1941         qglClearColor(0,0,0,0);CHECKGLERROR
1942         // when starting up a new video mode, make sure the screen is cleared to black
1943         if (clear)
1944                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1945         R_Textures_Frame();
1946         R_Mesh_Start();
1947         R_EntityMatrix(&identitymatrix);
1948         // draw the loading plaque
1949         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
1950         x = (vid_conwidth.integer - loadingscreenpic->width)/2;
1951         y = (vid_conheight.integer - loadingscreenpic->height)/2;
1952         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
1953         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
1954         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
1955         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + loadingscreenpic->width;
1956         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + loadingscreenpic->height;
1957         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
1958         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
1959         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
1960         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
1961 }
1962
1963 static void SCR_DrawLoadingScreen (qboolean clear)
1964 {
1965         // we only need to draw the image if it isn't already there
1966         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1967         GL_DepthRange(0, 1);
1968         GL_PolygonOffset(0, 0);
1969         GL_DepthTest(false);
1970         R_Mesh_ResetTextureState();
1971         GL_Color(1,1,1,1);
1972         if(loadingscreentexture)
1973         {
1974                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
1975                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
1976                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1977         }
1978         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
1979         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
1980         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1981         SCR_DrawLoadingStack();
1982 }
1983
1984 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
1985 {
1986         R_Mesh_Finish();
1987         // refresh
1988         VID_Finish();
1989         // however this IS necessary on Windows Vista
1990         qglFinish();
1991 }
1992
1993 void SCR_UpdateLoadingScreen (qboolean clear)
1994 {
1995         keydest_t       old_key_dest;
1996         int                     old_key_consoleactive;
1997
1998         // don't do anything if not initialized yet
1999         if (vid_hidden || cls.state == ca_dedicated)
2000                 return;
2001
2002         if(!scr_loadingscreen_background.integer)
2003                 clear = true;
2004         
2005         if(loadingscreentime == realtime)
2006                 clear |= loadingscreencleared;
2007
2008         if(loadingscreentime != realtime)
2009                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2010
2011         if(clear)
2012                 SCR_ClearLoadingScreenTexture();
2013         else if(loadingscreentime != realtime)
2014                 SCR_SetLoadingScreenTexture();
2015
2016         if(loadingscreentime != realtime)
2017         {
2018                 loadingscreentime = realtime;
2019                 loadingscreenheight = 0;
2020         }
2021         loadingscreencleared = clear;
2022
2023         SCR_DrawLoadingScreen_SharedSetup(clear);
2024         if (vid.stereobuffer)
2025         {
2026                 qglDrawBuffer(GL_BACK_LEFT);
2027                 SCR_DrawLoadingScreen(clear);
2028                 qglDrawBuffer(GL_BACK_RIGHT);
2029                 SCR_DrawLoadingScreen(clear);
2030         }
2031         else
2032         {
2033                 qglDrawBuffer(GL_BACK);
2034                 SCR_DrawLoadingScreen(clear);
2035         }
2036         SCR_DrawLoadingScreen_SharedFinish(clear);
2037
2038         // this goes into the event loop, and should prevent unresponsive cursor on vista
2039         old_key_dest = key_dest;
2040         old_key_consoleactive = key_consoleactive;
2041         key_dest = key_void;
2042         key_consoleactive = false;
2043         Key_EventQueue_Block(); Sys_SendKeyEvents();
2044         key_dest = old_key_dest;
2045         key_consoleactive = old_key_consoleactive;
2046 }
2047
2048 qboolean R_Stereo_ColorMasking(void)
2049 {
2050         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2051 }
2052
2053 qboolean R_Stereo_Active(void)
2054 {
2055         return (vid.stereobuffer || r_stereo_sidebyside.integer || R_Stereo_ColorMasking());
2056 }
2057
2058 extern cvar_t cl_minfps;
2059 extern cvar_t cl_minfps_fade;
2060 extern cvar_t cl_minfps_qualitymax;
2061 extern cvar_t cl_minfps_qualitymin;
2062 extern cvar_t cl_minfps_qualitypower;
2063 extern cvar_t cl_minfps_qualityscale;
2064 static double cl_updatescreen_rendertime = 0;
2065 static double cl_updatescreen_quality = 1;
2066 extern void Sbar_ShowFPS_Update(void);
2067 void CL_UpdateScreen(void)
2068 {
2069         double rendertime1;
2070         float conwidth, conheight;
2071         float f;
2072
2073         Sbar_ShowFPS_Update();
2074
2075         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2076                 return;                         // not initialized yet
2077
2078         if(gamemode == GAME_NEXUIZ)
2079         {
2080                 // play a bit with the palette (experimental)
2081                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2082                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2083                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2084                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2085                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2086                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2087                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2088                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2089         }
2090
2091         if (vid_hidden)
2092                 return;
2093
2094         rendertime1 = Sys_DoubleTime();
2095
2096         conwidth = bound(160, vid_conwidth.value, 32768);
2097         conheight = bound(90, vid_conheight.value, 24576);
2098         if (vid_conwidth.value != conwidth)
2099                 Cvar_SetValue("vid_conwidth", conwidth);
2100         if (vid_conheight.value != conheight)
2101                 Cvar_SetValue("vid_conheight", conheight);
2102
2103         // bound viewsize
2104         if (scr_viewsize.value < 30)
2105                 Cvar_Set ("viewsize","30");
2106         if (scr_viewsize.value > 120)
2107                 Cvar_Set ("viewsize","120");
2108
2109         // bound field of view
2110         if (scr_fov.value < 1)
2111                 Cvar_Set ("fov","1");
2112         if (scr_fov.value > 170)
2113                 Cvar_Set ("fov","170");
2114
2115         // intermission is always full screen
2116         if (cl.intermission)
2117                 sb_lines = 0;
2118         else
2119         {
2120                 if (scr_viewsize.value >= 120)
2121                         sb_lines = 0;           // no status bar at all
2122                 else if (scr_viewsize.value >= 110)
2123                         sb_lines = 24;          // no inventory
2124                 else
2125                         sb_lines = 24+16+8;
2126         }
2127
2128         r_refdef.view.colormask[0] = 1;
2129         r_refdef.view.colormask[1] = 1;
2130         r_refdef.view.colormask[2] = 1;
2131
2132         SCR_SetUpToDrawConsole();
2133
2134         CHECKGLERROR
2135         qglDrawBuffer(GL_BACK);CHECKGLERROR
2136         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2137         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2138         qglDepthMask(1);CHECKGLERROR
2139         qglColorMask(1,1,1,1);CHECKGLERROR
2140         qglClearColor(0,0,0,0);CHECKGLERROR
2141         R_ClearScreen(false);
2142         r_refdef.view.clear = false;
2143         r_refdef.view.isoverlay = false;
2144         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2145         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2146
2147         if (qglPolygonStipple)
2148         {
2149                 if(scr_stipple.integer)
2150                 {
2151                         GLubyte stipple[128];
2152                         int i, s, width, parts;
2153                         static int frame = 0;
2154                         ++frame;
2155         
2156                         s = scr_stipple.integer;
2157                         parts = (s & 007);
2158                         width = (s & 070) >> 3;
2159         
2160                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2161                         for(i = 0; i < 128; ++i)
2162                         {
2163                                 int line = i/4;
2164                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2165                         }
2166                         qglPolygonStipple(stipple);CHECKGLERROR
2167                 }
2168                 else
2169                 {
2170                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2171                 }
2172         }
2173
2174         CHECKGLERROR
2175         if (R_Stereo_Active())
2176         {
2177                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2178                 matrix4x4_t offsetmatrix;
2179                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2180                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2181
2182                 if (r_stereo_sidebyside.integer)
2183                         r_stereo_side = 0;
2184
2185                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2186                 {
2187                         r_refdef.view.colormask[0] = 1;
2188                         r_refdef.view.colormask[1] = 0;
2189                         r_refdef.view.colormask[2] = 0;
2190                 }
2191
2192                 if (vid.stereobuffer)
2193                         qglDrawBuffer(GL_BACK_RIGHT);
2194
2195                 SCR_DrawScreen();
2196
2197                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2198                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2199
2200                 if (r_stereo_sidebyside.integer)
2201                         r_stereo_side = 1;
2202
2203                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2204                 {
2205                         r_refdef.view.colormask[0] = 0;
2206                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2207                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2208                 }
2209
2210                 if (vid.stereobuffer)
2211                         qglDrawBuffer(GL_BACK_LEFT);
2212
2213                 SCR_DrawScreen();
2214
2215                 r_refdef.view.matrix = originalmatrix;
2216         }
2217         else
2218                 SCR_DrawScreen();
2219         CHECKGLERROR
2220
2221         SCR_CaptureVideo();
2222
2223         // quality adjustment according to render time
2224         CHECKGLERROR
2225         qglFlush(); // FIXME: should we really be using qglFlush here?
2226         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2227         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2228                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2229         else
2230                 cl_updatescreen_quality = 1;
2231
2232         if (!vid_activewindow)
2233                 VID_SetMouse(false, false, false);
2234         else if (key_consoleactive)
2235                 VID_SetMouse(vid.fullscreen, false, false);
2236         else if (key_dest == key_menu_grabbed)
2237                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2238         else if (key_dest == key_menu)
2239                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2240         else
2241                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2242
2243         VID_Finish();
2244 }
2245
2246 void CL_Screen_NewMap(void)
2247 {
2248 }