block key events while in the event handler called from loading screens - might fix...
[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 vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
31 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
32 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)"};
33 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
34 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
35 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
36 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
37 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
38 // scr_screenshot_name is defined in fs.c
39 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)"};
40 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)"};
41 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
42 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
43 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"};
44 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)"};
45 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
46 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
47 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
48 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)"};
49 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)"};
50 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)"};
51 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)"};
52 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)"};
53 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"};
54 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
55 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)"};
56 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
57 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
58 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
59 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
60 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
61 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
62 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"};
63 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)"};
64 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)"};
65 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"};
66
67 extern cvar_t v_glslgamma;
68 extern cvar_t sbar_info_pos;
69 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
70
71 int jpeg_supported = false;
72
73 qboolean        scr_initialized;                // ready to draw
74
75 float           scr_con_current;
76 int                     scr_con_margin_bottom;
77
78 extern int      con_vislines;
79
80 static void SCR_ScreenShot_f (void);
81 static void R_Envmap_f (void);
82
83 // backend
84 void R_ClearScreen(qboolean fogcolor);
85
86 /*
87 ===============================================================================
88
89 CENTER PRINTING
90
91 ===============================================================================
92 */
93
94 char            scr_centerstring[MAX_INPUTLINE];
95 float           scr_centertime_start;   // for slow victory printing
96 float           scr_centertime_off;
97 int                     scr_center_lines;
98 int                     scr_erase_lines;
99 int                     scr_erase_center;
100 char        scr_infobarstring[MAX_INPUTLINE];
101 float       scr_infobartime_off;
102
103 /*
104 ==============
105 SCR_CenterPrint
106
107 Called for important messages that should stay in the center of the screen
108 for a few moments
109 ==============
110 */
111 void SCR_CenterPrint(const char *str)
112 {
113         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
114         scr_centertime_off = scr_centertime.value;
115         scr_centertime_start = cl.time;
116
117 // count the number of lines for centering
118         scr_center_lines = 1;
119         while (*str)
120         {
121                 if (*str == '\n')
122                         scr_center_lines++;
123                 str++;
124         }
125 }
126
127
128 void SCR_DrawCenterString (void)
129 {
130         char    *start;
131         int             x, y;
132         int             remaining;
133         int             color;
134
135         if(cl.intermission == 2) // in finale,
136                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
137                         return;
138
139         if(scr_centertime.value <= 0 && !cl.intermission)
140                 return;
141
142 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
143         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
144                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
145         else
146                 remaining = 9999;
147
148         scr_erase_center = 0;
149         start = scr_centerstring;
150
151         if (remaining < 1)
152                 return;
153
154         if (scr_center_lines <= 4)
155                 y = (int)(vid_conheight.integer*0.35);
156         else
157                 y = 48;
158
159         color = -1;
160         do
161         {
162                 // scan the number of characters on the line, not counting color codes
163                 char *newline = strchr(start, '\n');
164                 int l = newline ? (newline - start) : (int)strlen(start);
165                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
166
167                 x = (int) (vid_conwidth.integer - width)/2;
168                 if (l > 0)
169                 {
170                         if (remaining < l)
171                                 l = remaining;
172                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
173                         remaining -= l;
174                         if (remaining <= 0)
175                                 return;
176                 }
177                 y += 8;
178
179                 if (!newline)
180                         break;
181                 start = newline + 1; // skip the \n
182         } while (1);
183 }
184
185 void SCR_CheckDrawCenterString (void)
186 {
187         if (scr_center_lines > scr_erase_lines)
188                 scr_erase_lines = scr_center_lines;
189
190         if (cl.time > cl.oldtime)
191                 scr_centertime_off -= cl.time - cl.oldtime;
192
193         // don't draw if this is a normal stats-screen intermission,
194         // only if it is not an intermission, or a finale intermission
195         if (cl.intermission == 1)
196                 return;
197         if (scr_centertime_off <= 0 && !cl.intermission)
198                 return;
199         if (key_dest != key_game)
200                 return;
201
202         SCR_DrawCenterString ();
203 }
204
205 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
206 {
207         netgraphitem_t *graph;
208         int j, x, y;
209         int totalbytes = 0;
210         char bytesstring[128];
211         float g[NETGRAPH_PACKETS][6];
212         float *a;
213         float *b;
214         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
215         // draw the bar graph itself
216         // advance the packet counter because it is the latest packet column being
217         // built up and should come last
218         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
219         memset(g, 0, sizeof(g));
220         for (j = 0;j < NETGRAPH_PACKETS;j++)
221         {
222                 graph = netgraph + j;
223                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
224                 g[j][1] = 1.0f;
225                 g[j][2] = 1.0f;
226                 g[j][3] = 1.0f;
227                 g[j][4] = 1.0f;
228                 g[j][5] = 1.0f;
229                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
230                         g[j][1] = 0.00f;
231                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
232                         g[j][2] = 0.96f;
233                 else
234                 {
235                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
236                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
237                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
238                         // count bytes in the last second
239                         if (realtime - graph->time < 1.0f)
240                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
241                 }
242                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
243                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
244                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
245                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
246                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
247         }
248         // render the lines for the graph
249         for (j = 0;j < NETGRAPH_PACKETS;j++)
250         {
251                 a = g[j];
252                 b = g[(j+1)%NETGRAPH_PACKETS];
253                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
254                         continue;
255                 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);
256                 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);
257                 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);
258                 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);
259                 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);
260         }
261         x = graphx;
262         y = graphy + graphheight;
263         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
264         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
265         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
266 }
267
268 /*
269 ==============
270 SCR_DrawNetGraph
271 ==============
272 */
273 void SCR_DrawNetGraph (void)
274 {
275         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
276         float graphscale;
277         netconn_t *c;
278
279         if (cls.state != ca_connected)
280                 return;
281         if (!cls.netcon)
282                 return;
283         if (!shownetgraph.integer)
284                 return;
285
286         separator1 = 2;
287         separator2 = 4;
288         textsize = 8;
289         graphwidth = 120;
290         graphheight = 70;
291         graphscale = 1.0f / 1500.0f;
292
293         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
294         netgraphsperrow = max(netgraphsperrow, 1);
295
296         index = 0;
297         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
298         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
299         c = cls.netcon;
300         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
301         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
302         index++;
303
304         if (sv.active && shownetgraph.integer >= 2)
305         {
306                 for (i = 0;i < svs.maxclients;i++)
307                 {
308                         c = svs.clients[i].netconnection;
309                         if (!c)
310                                 continue;
311                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
312                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
313                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
314                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
315                         index++;
316                 }
317         }
318 }
319
320 /*
321 ==============
322 SCR_DrawTurtle
323 ==============
324 */
325 void SCR_DrawTurtle (void)
326 {
327         static int      count;
328
329         if (cls.state != ca_connected)
330                 return;
331
332         if (!scr_showturtle.integer)
333                 return;
334
335         if (cl.realframetime < 0.1)
336         {
337                 count = 0;
338                 return;
339         }
340
341         count++;
342         if (count < 3)
343                 return;
344
345         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
346 }
347
348 /*
349 ==============
350 SCR_DrawNet
351 ==============
352 */
353 void SCR_DrawNet (void)
354 {
355         if (cls.state != ca_connected)
356                 return;
357         if (realtime - cl.last_received_message < 0.3)
358                 return;
359         if (cls.demoplayback)
360                 return;
361
362         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
363 }
364
365 /*
366 ==============
367 DrawPause
368 ==============
369 */
370 void SCR_DrawPause (void)
371 {
372         cachepic_t      *pic;
373
374         if (cls.state != ca_connected)
375                 return;
376
377         if (!scr_showpause.integer)             // turn off for screenshots
378                 return;
379
380         if (!cl.paused)
381                 return;
382
383         pic = Draw_CachePic ("gfx/pause");
384         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
385 }
386
387 /*
388 ==============
389 SCR_DrawBrand
390 ==============
391 */
392 void SCR_DrawBrand (void)
393 {
394         cachepic_t      *pic;
395         float           x, y;
396
397         if (!scr_showbrand.value)
398                 return;
399
400         pic = Draw_CachePic ("gfx/brand");
401
402         switch ((int)scr_showbrand.value)
403         {
404         case 1: // bottom left
405                 x = 0;
406                 y = vid_conheight.integer - pic->height;
407                 break;
408         case 2: // bottom centre
409                 x = (vid_conwidth.integer - pic->width) / 2;
410                 y = vid_conheight.integer - pic->height;
411                 break;
412         case 3: // bottom right
413                 x = vid_conwidth.integer - pic->width;
414                 y = vid_conheight.integer - pic->height;
415                 break;
416         case 4: // centre right
417                 x = vid_conwidth.integer - pic->width;
418                 y = (vid_conheight.integer - pic->height) / 2;
419                 break;
420         case 5: // top right
421                 x = vid_conwidth.integer - pic->width;
422                 y = 0;
423                 break;
424         case 6: // top centre
425                 x = (vid_conwidth.integer - pic->width) / 2;
426                 y = 0;
427                 break;
428         case 7: // top left
429                 x = 0;
430                 y = 0;
431                 break;
432         case 8: // centre left
433                 x = 0;
434                 y = (vid_conheight.integer - pic->height) / 2;
435                 break;
436         default:
437                 return;
438         }
439
440         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
441 }
442
443 /*
444 ==============
445 SCR_DrawQWDownload
446 ==============
447 */
448 static int SCR_DrawQWDownload(int offset)
449 {
450         // sync with SCR_InfobarHeight
451         int len;
452         float x, y;
453         float size = 8;
454         char temp[256];
455
456         if (!cls.qw_downloadname[0])
457         {
458                 cls.qw_downloadspeedrate = 0;
459                 cls.qw_downloadspeedtime = realtime;
460                 cls.qw_downloadspeedcount = 0;
461                 return 0;
462         }
463         if (realtime >= cls.qw_downloadspeedtime + 1)
464         {
465                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
466                 cls.qw_downloadspeedtime = realtime;
467                 cls.qw_downloadspeedcount = 0;
468         }
469         if (cls.protocol == PROTOCOL_QUAKEWORLD)
470                 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);
471         else
472                 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);
473         len = (int)strlen(temp);
474         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
475         y = vid_conheight.integer - size - offset;
476         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
477         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
478         return 8;
479 }
480 /*
481 ==============
482 SCR_DrawInfobarString
483 ==============
484 */
485 static int SCR_DrawInfobarString(int offset)
486 {
487         int len;
488         float x, y;
489         float size = 8;
490
491         len = (int)strlen(scr_infobarstring);
492         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
493         y = vid_conheight.integer - size - offset;
494         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
495         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
496         return 8;
497 }
498
499 /*
500 ==============
501 SCR_DrawCurlDownload
502 ==============
503 */
504 static int SCR_DrawCurlDownload(int offset)
505 {
506         // sync with SCR_InfobarHeight
507         int len;
508         int nDownloads;
509         int i;
510         float x, y;
511         float size = 8;
512         Curl_downloadinfo_t *downinfo;
513         char temp[256];
514         const char *addinfo;
515
516         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
517         if(!downinfo)
518                 return 0;
519
520         y = vid_conheight.integer - size * nDownloads - offset;
521
522         if(addinfo)
523         {
524                 len = (int)strlen(addinfo);
525                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
526                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
527                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
528         }
529
530         for(i = 0; i != nDownloads; ++i)
531         {
532                 if(downinfo[i].queued)
533                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
534                 else if(downinfo[i].progress <= 0)
535                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
536                 else
537                         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);
538                 len = (int)strlen(temp);
539                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
540                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
541                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
542         }
543
544         Z_Free(downinfo);
545
546         return 8 * (nDownloads + (addinfo ? 1 : 0));
547 }
548
549 /*
550 ==============
551 SCR_DrawInfobar
552 ==============
553 */
554 static void SCR_DrawInfobar(void)
555 {
556         int offset = 0;
557         if(scr_infobartime_off > 0)
558                 offset += SCR_DrawInfobarString(offset);
559         offset += SCR_DrawQWDownload(offset);
560         offset += SCR_DrawCurlDownload(offset);
561         if(offset != scr_con_margin_bottom)
562                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
563 }
564
565 static int SCR_InfobarHeight(void)
566 {
567         int offset = 0;
568         Curl_downloadinfo_t *downinfo;
569         const char *addinfo;
570         int nDownloads;
571
572         if (cl.time > cl.oldtime)
573                 scr_infobartime_off -= cl.time - cl.oldtime;
574         if(scr_infobartime_off > 0)
575                 offset += 8;
576
577         if(cls.qw_downloadname[0])
578                 offset += 8;
579
580         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
581         if(downinfo)
582         {
583                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
584                 Z_Free(downinfo);
585         }
586
587         return offset;
588 }
589
590 /*
591 ==============
592 SCR_InfoBar_f
593 ==============
594 */
595 void SCR_InfoBar_f(void)
596 {
597         if(Cmd_Argc() == 3)
598         {
599                 scr_infobartime_off = atof(Cmd_Argv(1));
600                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
601         }
602         else
603         {
604                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
605         }
606 }
607 //=============================================================================
608
609 /*
610 ==================
611 SCR_SetUpToDrawConsole
612 ==================
613 */
614 void SCR_SetUpToDrawConsole (void)
615 {
616         // lines of console to display
617         float conlines;
618         static int framecounter = 0;
619
620         Con_CheckResize ();
621
622         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
623         {
624                 if (framecounter >= 2)
625                         MR_ToggleMenu(1);
626                 else
627                         framecounter++;
628         }
629         else
630                 framecounter = 0;
631
632         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
633                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
634         else
635                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
636
637 // decide on the height of the console
638         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
639                 conlines = vid_conheight.integer/2;     // half screen
640         else
641                 conlines = 0;                           // none visible
642
643         scr_con_current = conlines;
644 }
645
646 /*
647 ==================
648 SCR_DrawConsole
649 ==================
650 */
651 void SCR_DrawConsole (void)
652 {
653         scr_con_margin_bottom = SCR_InfobarHeight();
654         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
655         {
656                 // full screen
657                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
658         }
659         else if (scr_con_current)
660                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
661         else
662                 con_vislines = 0;
663 }
664
665 /*
666 ===============
667 SCR_BeginLoadingPlaque
668
669 ================
670 */
671 void SCR_BeginLoadingPlaque (void)
672 {
673         // save console log up to this point to log_file if it was set by configs
674         Log_Start();
675
676         Host_StartVideo();
677         SCR_UpdateLoadingScreen(false);
678 }
679
680 //=============================================================================
681
682 char r_speeds_timestring[4096];
683 int speedstringcount, r_timereport_active;
684 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
685 int r_speeds_longestitem = 0;
686
687 void R_TimeReport(char *desc)
688 {
689         char tempbuf[256];
690         int length;
691         int t;
692
693         if (r_speeds.integer < 2 || !r_timereport_active)
694                 return;
695
696         CHECKGLERROR
697         if (r_speeds.integer == 2)
698                 qglFinish();
699         CHECKGLERROR
700         r_timereport_temp = r_timereport_current;
701         r_timereport_current = Sys_DoubleTime();
702         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
703
704         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
705         length = min(length, (int)sizeof(tempbuf) - 1);
706         if (r_speeds_longestitem < length)
707                 r_speeds_longestitem = length;
708         for (;length < r_speeds_longestitem;length++)
709                 tempbuf[length] = ' ';
710         tempbuf[length] = 0;
711
712         if (speedstringcount + length > (vid_conwidth.integer / 8))
713         {
714                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
715                 speedstringcount = 0;
716         }
717         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
718         speedstringcount += length;
719 }
720
721 void R_TimeReport_BeginFrame(void)
722 {
723         speedstringcount = 0;
724         r_speeds_timestring[0] = 0;
725         r_timereport_active = false;
726         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
727
728         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
729         {
730                 r_timereport_active = true;
731                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
732         }
733 }
734
735 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
736 {
737         int i, triangles = 0;
738         for (i = 0;i < leaf->numleafsurfaces;i++)
739                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
740         return triangles;
741 }
742
743 void R_TimeReport_EndFrame(void)
744 {
745         int i, j, lines, y;
746         cl_locnode_t *loc;
747         char string[1024+4096];
748         mleaf_t *viewleaf;
749
750         string[0] = 0;
751         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
752         {
753                 // put the location name in the r_speeds display as it greatly helps
754                 // when creating loc files
755                 loc = CL_Locs_FindNearest(cl.movement_origin);
756                 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;
757                 dpsnprintf(string, sizeof(string),
758 "%s%s\n"
759 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
760 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
761 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
762 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
763 "%7i lightmap updates (%7i pixels)\n"
764 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
765 "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n"
766 "%s"
767 , loc ? "Location: " : "", loc ? loc->name : ""
768 , 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]
769 , 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
770 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
771 , 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)
772 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
773 , 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
774 , r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
775 , r_speeds_timestring);
776
777                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
778
779                 speedstringcount = 0;
780                 r_speeds_timestring[0] = 0;
781                 r_timereport_active = false;
782
783                 if (r_speeds.integer >= 2)
784                 {
785                         r_timereport_active = true;
786                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
787                 }
788         }
789
790         if (string[0])
791         {
792                 if (string[strlen(string)-1] == '\n')
793                         string[strlen(string)-1] = 0;
794                 lines = 1;
795                 for (i = 0;string[i];i++)
796                         if (string[i] == '\n')
797                                 lines++;
798                 y = vid_conheight.integer - sb_lines - lines * 8;
799                 i = j = 0;
800                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
801                 while (string[i])
802                 {
803                         j = i;
804                         while (string[i] && string[i] != '\n')
805                                 i++;
806                         if (i - j > 0)
807                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
808                         if (string[i] == '\n')
809                                 i++;
810                         y += 8;
811                 }
812         }
813 }
814
815 /*
816 =================
817 SCR_SizeUp_f
818
819 Keybinding command
820 =================
821 */
822 void SCR_SizeUp_f (void)
823 {
824         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
825 }
826
827
828 /*
829 =================
830 SCR_SizeDown_f
831
832 Keybinding command
833 =================
834 */
835 void SCR_SizeDown_f (void)
836 {
837         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
838 }
839
840 void SCR_CaptureVideo_EndVideo(void);
841 void CL_Screen_Shutdown(void)
842 {
843         SCR_CaptureVideo_EndVideo();
844 }
845
846 void CL_Screen_Init(void)
847 {
848         Cvar_RegisterVariable (&scr_fov);
849         Cvar_RegisterVariable (&scr_viewsize);
850         Cvar_RegisterVariable (&scr_conalpha);
851         Cvar_RegisterVariable (&scr_conbrightness);
852         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
853         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
854         Cvar_RegisterVariable (&scr_loadingscreen_background);
855         Cvar_RegisterVariable (&scr_loadingscreen_count);
856         Cvar_RegisterVariable (&scr_showram);
857         Cvar_RegisterVariable (&scr_showturtle);
858         Cvar_RegisterVariable (&scr_showpause);
859         Cvar_RegisterVariable (&scr_showbrand);
860         Cvar_RegisterVariable (&scr_centertime);
861         Cvar_RegisterVariable (&scr_printspeed);
862         Cvar_RegisterVariable (&vid_conwidth);
863         Cvar_RegisterVariable (&vid_conheight);
864         Cvar_RegisterVariable (&vid_pixelheight);
865         Cvar_RegisterVariable (&scr_screenshot_jpeg);
866         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
867         Cvar_RegisterVariable (&scr_screenshot_png);
868         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
869         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
870         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
871         Cvar_RegisterVariable (&cl_capturevideo);
872         Cvar_RegisterVariable (&cl_capturevideo_printfps);
873         Cvar_RegisterVariable (&cl_capturevideo_width);
874         Cvar_RegisterVariable (&cl_capturevideo_height);
875         Cvar_RegisterVariable (&cl_capturevideo_realtime);
876         Cvar_RegisterVariable (&cl_capturevideo_fps);
877         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
878         Cvar_RegisterVariable (&cl_capturevideo_number);
879         Cvar_RegisterVariable (&cl_capturevideo_ogg);
880         Cvar_RegisterVariable (&cl_capturevideo_framestep);
881         Cvar_RegisterVariable (&r_letterbox);
882         Cvar_RegisterVariable(&r_stereo_separation);
883         Cvar_RegisterVariable(&r_stereo_sidebyside);
884         Cvar_RegisterVariable(&r_stereo_redblue);
885         Cvar_RegisterVariable(&r_stereo_redcyan);
886         Cvar_RegisterVariable(&r_stereo_redgreen);
887         Cvar_RegisterVariable(&r_stereo_angle);
888         Cvar_RegisterVariable(&scr_zoomwindow);
889         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
890         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
891         Cvar_RegisterVariable(&scr_zoomwindow_fov);
892         Cvar_RegisterVariable(&scr_stipple);
893         Cvar_RegisterVariable(&scr_refresh);
894         Cvar_RegisterVariable(&shownetgraph);
895         Cvar_RegisterVariable(&cl_demo_mousegrab);
896         Cvar_RegisterVariable(&timedemo_screenshotframelist);
897
898         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
899         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
900         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
901         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
902         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
903
904         SCR_CaptureVideo_Ogg_Init();
905
906         scr_initialized = true;
907 }
908
909 /*
910 ==================
911 SCR_ScreenShot_f
912 ==================
913 */
914 void SCR_ScreenShot_f (void)
915 {
916         static int shotnumber;
917         static char old_prefix_name[MAX_QPATH];
918         char prefix_name[MAX_QPATH];
919         char filename[MAX_QPATH];
920         char mapname[MAX_QPATH];
921         unsigned char *buffer1;
922         unsigned char *buffer2;
923         unsigned char *buffer3;
924         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
925         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
926
927         if (Cmd_Argc() == 2)
928         {
929                 const char *ext;
930                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
931                 ext = FS_FileExtension(filename);
932                 if (!strcasecmp(ext, "jpg"))
933                 {
934                         jpeg = true;
935                         png = false;
936                 }
937                 else if (!strcasecmp(ext, "tga"))
938                 {
939                         jpeg = false;
940                         png = false;
941                 }
942                 else if (!strcasecmp(ext, "png"))
943                 {
944                         jpeg = false;
945                         png = true;
946                 }
947                 else
948                 {
949                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
950                         return;
951                 }
952         }
953         else
954         {
955                 // TODO maybe make capturevideo and screenshot use similar name patterns?
956                 if (scr_screenshot_name_in_mapdir.integer && cl.worldmodel && *cl.worldmodel->name) {
957                         // figure out the map's filename without path or extension
958                         strlcpy(mapname, FS_FileWithoutPath(cl.worldmodel->name), sizeof(mapname));
959                         if (strrchr(mapname, '.'))
960                                 *(strrchr(mapname, '.')) = 0;
961                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", mapname, Sys_TimeString(scr_screenshot_name.string));
962                 } else {
963                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
964                 }
965
966                 if (strcmp(old_prefix_name, prefix_name))
967                 {
968                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
969                         shotnumber = 0;
970                 }
971
972                 // find a file name to save it to
973                 for (;shotnumber < 1000000;shotnumber++)
974                         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)))
975                                 break;
976                 if (shotnumber >= 1000000)
977                 {
978                         Con_Print("Couldn't create the image file\n");
979                         return;
980                 }
981
982                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
983         }
984
985         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
986         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
987         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
988
989         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true))
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, buffer3, 0, 0, vid.width, vid.height, false, false, false, false, false, true))
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         Mem_Free (buffer3);
1007
1008         shotnumber++;
1009 }
1010
1011 void SCR_CaptureVideo_BeginVideo(void)
1012 {
1013         double r, g, b;
1014         unsigned int i;
1015         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1016         if (cls.capturevideo.active)
1017                 return;
1018         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1019         // soundrate is figured out on the first SoundFrame
1020
1021         if(width == 0 && height != 0)
1022                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1023         if(width != 0 && height == 0)
1024                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1025
1026         if(width < 2 || width > vid.width) // can't scale up
1027                 width = vid.width;
1028         if(height < 2 || height > vid.height) // can't scale up
1029                 height = vid.height;
1030
1031         // ensure it's all even; if not, scale down a little
1032         if(width % 1)
1033                 --width;
1034         if(height % 1)
1035                 --height;
1036
1037         cls.capturevideo.width = width;
1038         cls.capturevideo.height = height;
1039         cls.capturevideo.active = true;
1040         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1041         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1042         cls.capturevideo.soundrate = S_GetSoundRate();
1043         cls.capturevideo.soundchannels = S_GetSoundChannels();
1044         cls.capturevideo.startrealtime = realtime;
1045         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1046         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1047         cls.capturevideo.soundsampleframe = 0;
1048         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1049         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1050         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1051         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1052         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1053
1054         /*
1055         for (i = 0;i < 256;i++)
1056         {
1057                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1058                 cls.capturevideo.rgbgammatable[0][i] = j;
1059                 cls.capturevideo.rgbgammatable[1][i] = j;
1060                 cls.capturevideo.rgbgammatable[2][i] = j;
1061         }
1062         */
1063 /*
1064 R = Y + 1.4075 * (Cr - 128);
1065 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1066 B = Y + 1.7790 * (Cb - 128);
1067 Y = R *  .299 + G *  .587 + B *  .114;
1068 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1069 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1070 */
1071
1072         if(WANT_SCREENSHOT_HWGAMMA)
1073         {
1074                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1075         }
1076         else
1077         {
1078                 // identity gamma table
1079                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1080                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1081                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1082         }
1083         if(scr_screenshot_gammaboost.value != 1)
1084         {
1085                 double igamma = 1 / scr_screenshot_gammaboost.value;
1086                 for (i = 0;i < 256 * 3;i++)
1087                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1088         }
1089
1090         for (i = 0;i < 256;i++)
1091         {
1092                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1093                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1094                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1095                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1096                 // Y weights from RGB
1097                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1098                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1099                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1100                 // Cb weights from RGB
1101                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1102                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1103                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1104                 // Cr weights from RGB
1105                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1106                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1107                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1108                 // range reduction of YCbCr to valid signal range
1109                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1110                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1111                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1112         }
1113
1114         if (cl_capturevideo_ogg.integer)
1115         {
1116                 if(SCR_CaptureVideo_Ogg_Available())
1117                 {
1118                         SCR_CaptureVideo_Ogg_BeginVideo();
1119                         return;
1120                 }
1121                 else
1122                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1123         }
1124
1125         SCR_CaptureVideo_Avi_BeginVideo();
1126 }
1127
1128 void SCR_CaptureVideo_EndVideo(void)
1129 {
1130         if (!cls.capturevideo.active)
1131                 return;
1132         cls.capturevideo.active = false;
1133
1134         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);
1135
1136         if (cls.capturevideo.videofile)
1137         {
1138                 cls.capturevideo.endvideo();
1139         }
1140
1141         if (cls.capturevideo.screenbuffer)
1142         {
1143                 Mem_Free (cls.capturevideo.screenbuffer);
1144                 cls.capturevideo.screenbuffer = NULL;
1145         }
1146
1147         if (cls.capturevideo.outbuffer)
1148         {
1149                 Mem_Free (cls.capturevideo.outbuffer);
1150                 cls.capturevideo.outbuffer = NULL;
1151         }
1152
1153         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1154 }
1155
1156 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1157 {
1158         // TODO optimize this function
1159
1160         int x, y;
1161         float area;
1162
1163         // memcpy is faster than me
1164         if(inw == outw && inh == outh)
1165         {
1166                 memcpy(out, in, 4 * inw * inh);
1167                 return;
1168         }
1169
1170         // otherwise: a box filter
1171         area = (float)outw * (float)outh / (float)inw / (float)inh;
1172         for(y = 0; y < outh; ++y)
1173         {
1174                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1175                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1176                 for(x = 0; x < outw; ++x)
1177                 {
1178                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1179                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1180                         float r = 0, g = 0, b = 0, alpha = 0;
1181                         int xx, yy;
1182
1183                         for(yy = iny0_i; yy < iny1_i; ++yy)
1184                         {
1185                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1186                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1187                                 {
1188                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1189                                         r += a * in[4*(xx + inw * yy)+0];
1190                                         g += a * in[4*(xx + inw * yy)+1];
1191                                         b += a * in[4*(xx + inw * yy)+2];
1192                                         alpha += a * in[4*(xx + inw * yy)+3];
1193                                 }
1194                         }
1195
1196                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1197                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1198                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1199                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1200                 }
1201         }
1202 }
1203
1204 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1205 {
1206         int x = 0, y = 0;
1207         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1208
1209         if(newframestepframenum == cls.capturevideo.framestepframe)
1210                 return;
1211
1212         CHECKGLERROR
1213         //return SCR_ScreenShot(filename, cls.capturevideo.buffer, cls.capturevideo.buffer + vid.width * vid.height * 3, cls.capturevideo.buffer + vid.width * vid.height * 6, 0, 0, vid.width, vid.height, false, false, false, jpeg, true);
1214         // speed is critical here, so do saving as directly as possible
1215
1216         qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1217         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1218
1219         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1220         cls.capturevideo.framestepframe = newframestepframenum;
1221
1222         if(cl_capturevideo_printfps.integer)
1223         {
1224                 char buf[80];
1225                 double t = Sys_DoubleTime();
1226                 if(t > cls.capturevideo.lastfpstime + 1)
1227                 {
1228                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1229                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1230                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1231                         Sys_PrintToTerminal(buf);
1232                         cls.capturevideo.lastfpstime = t;
1233                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1234                 }
1235         }
1236 }
1237
1238 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1239 {
1240         cls.capturevideo.soundsampleframe += length;
1241         cls.capturevideo.soundframe(paintbuffer, length);
1242 }
1243
1244 void SCR_CaptureVideo(void)
1245 {
1246         int newframenum;
1247         if (cl_capturevideo.integer)
1248         {
1249                 if (!cls.capturevideo.active)
1250                         SCR_CaptureVideo_BeginVideo();
1251                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1252                 {
1253                         Con_Printf("You can not change the video framerate while recording a video.\n");
1254                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1255                 }
1256                 // for AVI saving we have to make sure that sound is saved before video
1257                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1258                         return;
1259                 if (cls.capturevideo.realtime)
1260                 {
1261                         // preserve sound sync by duplicating frames when running slow
1262                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1263                 }
1264                 else
1265                         newframenum = cls.capturevideo.frame + 1;
1266                 // if falling behind more than one second, stop
1267                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1268                 {
1269                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1270                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1271                         SCR_CaptureVideo_EndVideo();
1272                         return;
1273                 }
1274                 // write frames
1275                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1276                 cls.capturevideo.frame = newframenum;
1277                 if (cls.capturevideo.error)
1278                 {
1279                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1280                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1281                         SCR_CaptureVideo_EndVideo();
1282                 }
1283         }
1284         else if (cls.capturevideo.active)
1285                 SCR_CaptureVideo_EndVideo();
1286 }
1287
1288 /*
1289 ===============
1290 R_Envmap_f
1291
1292 Grab six views for environment mapping tests
1293 ===============
1294 */
1295 struct envmapinfo_s
1296 {
1297         float angles[3];
1298         char *name;
1299         qboolean flipx, flipy, flipdiagonaly;
1300 }
1301 envmapinfo[12] =
1302 {
1303         {{  0,   0, 0}, "rt", false, false, false},
1304         {{  0, 270, 0}, "ft", false, false, false},
1305         {{  0, 180, 0}, "lf", false, false, false},
1306         {{  0,  90, 0}, "bk", false, false, false},
1307         {{-90, 180, 0}, "up",  true,  true, false},
1308         {{ 90, 180, 0}, "dn",  true,  true, false},
1309
1310         {{  0,   0, 0}, "px",  true,  true,  true},
1311         {{  0,  90, 0}, "py", false,  true, false},
1312         {{  0, 180, 0}, "nx", false, false,  true},
1313         {{  0, 270, 0}, "ny",  true, false, false},
1314         {{-90, 180, 0}, "pz", false, false,  true},
1315         {{ 90, 180, 0}, "nz", false, false,  true}
1316 };
1317
1318 static void R_Envmap_f (void)
1319 {
1320         int j, size;
1321         char filename[MAX_QPATH], basename[MAX_QPATH];
1322         unsigned char *buffer1;
1323         unsigned char *buffer2;
1324         unsigned char *buffer3;
1325
1326         if (Cmd_Argc() != 3)
1327         {
1328                 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");
1329                 return;
1330         }
1331
1332         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1333         size = atoi(Cmd_Argv(2));
1334         if (size != 128 && size != 256 && size != 512 && size != 1024)
1335         {
1336                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1337                 return;
1338         }
1339         if (size > vid.width || size > vid.height)
1340         {
1341                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1342                 return;
1343         }
1344
1345         r_refdef.envmap = true;
1346
1347         R_UpdateVariables();
1348
1349         r_refdef.view.x = 0;
1350         r_refdef.view.y = 0;
1351         r_refdef.view.z = 0;
1352         r_refdef.view.width = size;
1353         r_refdef.view.height = size;
1354         r_refdef.view.depth = 1;
1355         r_refdef.view.useperspective = true;
1356         r_refdef.view.isoverlay = false;
1357
1358         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1359         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1360
1361         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1362         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1363         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1364
1365         for (j = 0;j < 12;j++)
1366         {
1367                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1368                 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);
1369                 r_refdef.view.quality = 1;
1370                 r_refdef.view.clear = true;
1371                 R_Mesh_Start();
1372                 R_RenderView();
1373                 R_Mesh_Finish();
1374                 SCR_ScreenShot(filename, buffer1, buffer2, buffer3, 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);
1375         }
1376
1377         Mem_Free (buffer1);
1378         Mem_Free (buffer2);
1379         Mem_Free (buffer3);
1380
1381         r_refdef.envmap = false;
1382 }
1383
1384 //=============================================================================
1385
1386 void SHOWLMP_decodehide(void)
1387 {
1388         int i;
1389         char *lmplabel;
1390         lmplabel = MSG_ReadString();
1391         for (i = 0;i < cl.num_showlmps;i++)
1392                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1393                 {
1394                         cl.showlmps[i].isactive = false;
1395                         return;
1396                 }
1397 }
1398
1399 void SHOWLMP_decodeshow(void)
1400 {
1401         int k;
1402         char lmplabel[256], picname[256];
1403         float x, y;
1404         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1405         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1406         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1407         {
1408                 x = MSG_ReadByte();
1409                 y = MSG_ReadByte();
1410         }
1411         else
1412         {
1413                 x = MSG_ReadShort();
1414                 y = MSG_ReadShort();
1415         }
1416         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1417         {
1418                 showlmp_t *oldshowlmps = cl.showlmps;
1419                 cl.max_showlmps += 16;
1420                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1421                 if (cl.num_showlmps)
1422                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1423                 if (oldshowlmps)
1424                         Mem_Free(oldshowlmps);
1425         }
1426         for (k = 0;k < cl.max_showlmps;k++)
1427                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1428                         break;
1429         if (k == cl.max_showlmps)
1430                 for (k = 0;k < cl.max_showlmps;k++)
1431                         if (!cl.showlmps[k].isactive)
1432                                 break;
1433         cl.showlmps[k].isactive = true;
1434         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1435         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1436         cl.showlmps[k].x = x;
1437         cl.showlmps[k].y = y;
1438         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1439 }
1440
1441 void SHOWLMP_drawall(void)
1442 {
1443         int i;
1444         for (i = 0;i < cl.num_showlmps;i++)
1445                 if (cl.showlmps[i].isactive)
1446                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic (cl.showlmps[i].pic), 0, 0, 1, 1, 1, 1, 0);
1447 }
1448
1449 /*
1450 ==============================================================================
1451
1452                                                 SCREEN SHOTS
1453
1454 ==============================================================================
1455 */
1456
1457 qboolean SCR_ScreenShot(char *filename, unsigned char *buffer1, unsigned char *buffer2, unsigned char *buffer3, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg, qboolean png, qboolean gammacorrect)
1458 {
1459         int     indices[3] = {0,1,2};
1460         qboolean ret;
1461
1462         CHECKGLERROR
1463         qglReadPixels (x, y, width, height, jpeg ? GL_RGB : GL_BGR, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1464
1465         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1466         {
1467                 int i;
1468                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1469                 unsigned short vidramp[256 * 3];
1470                 if(WANT_SCREENSHOT_HWGAMMA)
1471                 {
1472                         VID_BuildGammaTables(&vidramp[0], 256);
1473                 }
1474                 else
1475                 {
1476                         // identity gamma table
1477                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1478                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1479                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1480                 }
1481                 if(scr_screenshot_gammaboost.value != 1)
1482                 {
1483                         for (i = 0;i < 256 * 3;i++)
1484                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1485                 }
1486                 for (i = 0;i < width*height*3;i += 3)
1487                 {
1488                         buffer1[i] = (unsigned char) (vidramp[buffer1[i]] * 255.0 / 65535.0 + 0.5);
1489                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5);
1490                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2] + 512] * 255.0 / 65535.0 + 0.5);
1491                 }
1492         }
1493
1494         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1495
1496         if (jpeg)
1497                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1498         else if (png)
1499                 ret = PNG_SaveImage_preflipped (filename, width, height, buffer2);
1500         else
1501                 ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2, buffer3);
1502
1503         return ret;
1504 }
1505
1506 //=============================================================================
1507
1508 extern void R_UpdateFogColor(void);
1509 void R_ClearScreen(qboolean fogcolor)
1510 {
1511         // clear to black
1512         CHECKGLERROR
1513         if (fogcolor)
1514         {
1515                 R_UpdateFogColor();
1516                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1517         }
1518         else
1519         {
1520                 qglClearColor(0,0,0,0);CHECKGLERROR
1521         }
1522         qglClearDepth(1);CHECKGLERROR
1523         if (vid.stencil)
1524         {
1525                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1526                 // to avoid clamping interfering with strange shadow volume
1527                 // drawing orders
1528                 qglClearStencil(128);CHECKGLERROR
1529         }
1530         // clear the screen
1531         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0));
1532         // set dithering mode
1533         if (gl_dither.integer)
1534         {
1535                 qglEnable(GL_DITHER);CHECKGLERROR
1536         }
1537         else
1538         {
1539                 qglDisable(GL_DITHER);CHECKGLERROR
1540         }
1541 }
1542
1543 qboolean CL_VM_UpdateView (void);
1544 void SCR_DrawConsole (void);
1545 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1546
1547 int r_stereo_side;
1548
1549 extern void Sbar_ShowFPS(void);
1550 void SCR_DrawScreen (void)
1551 {
1552         Draw_Frame();
1553
1554         R_Mesh_Start();
1555
1556         R_UpdateVariables();
1557
1558         // Quake uses clockwise winding, so these are swapped
1559         r_refdef.view.cullface_front = GL_BACK;
1560         r_refdef.view.cullface_back = GL_FRONT;
1561
1562         if (cls.signon == SIGNONS)
1563         {
1564                 float size;
1565
1566                 size = scr_viewsize.value * (1.0 / 100.0);
1567                 size = min(size, 1);
1568
1569                 if (r_stereo_sidebyside.integer)
1570                 {
1571                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1572                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1573                         r_refdef.view.depth = 1;
1574                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1575                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1576                         r_refdef.view.z = 0;
1577                         if (r_stereo_side)
1578                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1579                 }
1580                 else
1581                 {
1582                         r_refdef.view.width = (int)(vid.width * size);
1583                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1584                         r_refdef.view.depth = 1;
1585                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1586                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1587                         r_refdef.view.z = 0;
1588                 }
1589
1590                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1591                 // LordHavoc: this is designed to produce widescreen fov values
1592                 // when the screen is wider than 4/3 width/height aspect, to do
1593                 // this it simply assumes the requested fov is the vertical fov
1594                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1595                 // higher/lower according to the ratio
1596                 r_refdef.view.useperspective = true;
1597                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1598                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1599
1600                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1601                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1602
1603                 if(!CL_VM_UpdateView())
1604                         R_RenderView();
1605
1606                 if (scr_zoomwindow.integer)
1607                 {
1608                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1609                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1610                         r_refdef.view.width = (int)(vid.width * sizex);
1611                         r_refdef.view.height = (int)(vid.height * sizey);
1612                         r_refdef.view.depth = 1;
1613                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1614                         r_refdef.view.y = 0;
1615                         r_refdef.view.z = 0;
1616
1617                         r_refdef.view.useperspective = true;
1618                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1619                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1620
1621                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1622                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1623
1624                         if(!CL_VM_UpdateView())
1625                                 R_RenderView();
1626                 }
1627         }
1628
1629         if (!r_stereo_sidebyside.integer)
1630         {
1631                 r_refdef.view.width = vid.width;
1632                 r_refdef.view.height = vid.height;
1633                 r_refdef.view.depth = 1;
1634                 r_refdef.view.x = 0;
1635                 r_refdef.view.y = 0;
1636                 r_refdef.view.z = 0;
1637                 r_refdef.view.useperspective = false;
1638         }
1639
1640         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1641         {
1642                 const char *t;
1643                 int framenum;
1644                 t = timedemo_screenshotframelist.string;
1645                 while (*t)
1646                 {
1647                         while (*t == ' ')
1648                                 t++;
1649                         if (!*t)
1650                                 break;
1651                         framenum = atof(t);
1652                         if (framenum == cls.td_frames)
1653                                 break;
1654                         while (*t && *t != ' ')
1655                                 t++;
1656                 }
1657                 if (*t)
1658                 {
1659                         // we need to take a screenshot of this frame...
1660                         char filename[MAX_QPATH];
1661                         unsigned char *buffer1;
1662                         unsigned char *buffer2;
1663                         unsigned char *buffer3;
1664                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1665                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1666                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1667                         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
1668                         SCR_ScreenShot(filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, false, false, true);
1669                         Mem_Free(buffer1);
1670                         Mem_Free(buffer2);
1671                         Mem_Free(buffer3);
1672                 }
1673         }
1674
1675         // draw 2D stuff
1676         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1677                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1678                         Con_DrawNotify ();      // only draw notify in game
1679
1680         if (cls.signon == SIGNONS)
1681         {
1682                 SCR_DrawNet ();
1683                 SCR_DrawTurtle ();
1684                 SCR_DrawPause ();
1685                 if (!r_letterbox.value)
1686                         Sbar_Draw();
1687                 Sbar_ShowFPS();
1688                 SHOWLMP_drawall();
1689                 SCR_CheckDrawCenterString();
1690         }
1691         SCR_DrawNetGraph ();
1692         MR_Draw();
1693         CL_DrawVideo();
1694         R_Shadow_EditLights_DrawSelectedLightProperties();
1695
1696         SCR_DrawConsole();
1697
1698         SCR_DrawBrand();
1699
1700         SCR_DrawInfobar();
1701
1702         if (r_timereport_active)
1703                 R_TimeReport("2d");
1704
1705         if (cls.signon == SIGNONS)
1706         {
1707                 R_TimeReport_EndFrame();
1708                 R_TimeReport_BeginFrame();
1709         }
1710
1711         DrawQ_Finish();
1712
1713         R_DrawGamma();
1714
1715         R_Mesh_Finish();
1716 }
1717
1718 typedef struct loadingscreenstack_s
1719 {
1720         struct loadingscreenstack_s *prev;
1721         char msg[MAX_QPATH];
1722         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1723         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1724         float relative_completion; // 0 .. 1
1725 }
1726 loadingscreenstack_t;
1727 static loadingscreenstack_t *loadingscreenstack = NULL;
1728 static double loadingscreentime = -1;
1729 static qboolean loadingscreencleared = false;
1730 static float loadingscreenheight = 0;
1731 rtexture_t *loadingscreentexture = NULL;
1732 static float loadingscreentexture_vertex3f[12];
1733 static float loadingscreentexture_texcoord2f[8];
1734 static int loadingscreenpic_number = 0;
1735
1736 static void SCR_ClearLoadingScreenTexture(void)
1737 {
1738         if(loadingscreentexture)
1739                 R_FreeTexture(loadingscreentexture);
1740         loadingscreentexture = NULL;
1741 }
1742
1743 extern rtexturepool_t *r_main_texturepool;
1744 static void SCR_SetLoadingScreenTexture(void)
1745 {
1746         int w, h;
1747         float loadingscreentexture_w;
1748         float loadingscreentexture_h;
1749
1750         SCR_ClearLoadingScreenTexture();
1751
1752         if (vid.support.arb_texture_non_power_of_two)
1753         {
1754                 w = vid.width; h = vid.height;
1755                 loadingscreentexture_w = loadingscreentexture_h = 1;
1756         }
1757         else
1758         {
1759                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1760                 loadingscreentexture_w = vid.width / (float) w;
1761                 loadingscreentexture_h = vid.height / (float) h;
1762         }
1763
1764         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_FORCENEAREST | TEXF_CLAMP, NULL);
1765         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1766
1767         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1768         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1769         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1770         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1771         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1772         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1773         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1774         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1775         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1776 }
1777
1778 void SCR_UpdateLoadingScreenIfShown(void)
1779 {
1780         if(realtime == loadingscreentime)
1781                 SCR_UpdateLoadingScreen(loadingscreencleared);
1782 }
1783
1784 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1785 {
1786         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1787         s->prev = loadingscreenstack;
1788         loadingscreenstack = s;
1789
1790         strlcpy(s->msg, msg, sizeof(s->msg));
1791         s->relative_completion = 0;
1792
1793         if(s->prev)
1794         {
1795                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1796                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1797                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1798                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1799         }
1800         else
1801         {
1802                 s->absolute_loading_amount_min = 0;
1803                 s->absolute_loading_amount_len = 1;
1804         }
1805
1806         if(redraw)
1807                 SCR_UpdateLoadingScreenIfShown();
1808 }
1809
1810 void SCR_PopLoadingScreen (qboolean redraw)
1811 {
1812         loadingscreenstack_t *s = loadingscreenstack;
1813
1814         if(!s)
1815         {
1816                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1817                 return;
1818         }
1819
1820         loadingscreenstack = s->prev;
1821         if(s->prev)
1822                 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;
1823         Z_Free(s);
1824
1825         if(redraw)
1826                 SCR_UpdateLoadingScreenIfShown();
1827 }
1828
1829 void SCR_ClearLoadingScreen (qboolean redraw)
1830 {
1831         while(loadingscreenstack)
1832                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1833 }
1834
1835 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y)
1836 {
1837         float size = 8;
1838         float x;
1839         size_t len;
1840         float total;
1841
1842         total = 0;
1843 #if 0
1844         if(s)
1845         {
1846                 total += SCR_DrawLoadingStack_r(s->prev, y);
1847                 y -= total;
1848                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1849                 {
1850                         len = strlen(s->msg);
1851                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1852                         y -= size;
1853                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1854                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1855                         total += size;
1856                 }
1857         }
1858 #else
1859         if(s)
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 #endif
1869         return total;
1870 }
1871
1872 static void SCR_DrawLoadingStack(void)
1873 {
1874         float verts[12];
1875         float colors[16];
1876         int i;
1877
1878         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer);
1879         if(loadingscreenstack)
1880         {
1881                 // height = 32; // sorry, using the actual one is ugly
1882                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1883                 GL_DepthRange(0, 1);
1884                 GL_PolygonOffset(0, 0);
1885                 GL_DepthTest(false);
1886                 R_Mesh_VertexPointer(verts, 0, 0);
1887                 R_Mesh_ColorPointer(colors, 0, 0);
1888                 R_Mesh_ResetTextureState();
1889                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1890                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1891                 verts[0] = verts[9] = 0;
1892                 verts[1] = verts[4] = vid_conheight.integer - 8;
1893                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1894                 verts[7] = verts[10] = vid_conheight.integer;
1895
1896                 for(i = 0; i < 16; ++i)
1897                         colors[i] = (i % 4 == 3) ? 1 : (i >= 8 && i % 4 == 2) ? 1 : 0;
1898                         //                                        ^^^^^^^^^^ blue component
1899                         //                              ^^^^^^ bottom row
1900                         //          ^^^^^^^^^^^^ alpha is always on
1901                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1902
1903                 // make sure everything is cleared, including the progress indicator
1904                 if(loadingscreenheight < 8)
1905                         loadingscreenheight = 8;
1906         }
1907 }
1908
1909 static cachepic_t *loadingscreenpic;
1910 static float loadingscreenpic_vertex3f[12];
1911 static float loadingscreenpic_texcoord2f[8];
1912
1913 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
1914 {
1915         r_viewport_t viewport;
1916         float x, y;
1917         // release mouse grab while loading
1918         if (!vid.fullscreen)
1919                 VID_SetMouse(false, false, false);
1920         CHECKGLERROR
1921         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
1922         R_SetViewport(&viewport);
1923         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1924         //qglDepthMask(1);CHECKGLERROR
1925         qglColorMask(1,1,1,1);CHECKGLERROR
1926         qglClearColor(0,0,0,0);CHECKGLERROR
1927         // when starting up a new video mode, make sure the screen is cleared to black
1928         if (clear)
1929                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1930         R_Textures_Frame();
1931         R_Mesh_Start();
1932         R_EntityMatrix(&identitymatrix);
1933         // draw the loading plaque
1934         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
1935         x = (vid_conwidth.integer - loadingscreenpic->width)/2;
1936         y = (vid_conheight.integer - loadingscreenpic->height)/2;
1937         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
1938         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
1939         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
1940         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + loadingscreenpic->width;
1941         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + loadingscreenpic->height;
1942         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
1943         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
1944         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
1945         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
1946 }
1947
1948 static void SCR_DrawLoadingScreen (qboolean clear)
1949 {
1950         // we only need to draw the image if it isn't already there
1951         GL_Color(1,1,1,1);
1952         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1953         GL_DepthRange(0, 1);
1954         GL_PolygonOffset(0, 0);
1955         GL_DepthTest(false);
1956         R_Mesh_ColorPointer(NULL, 0, 0);
1957         if(loadingscreentexture)
1958         {
1959                 R_Mesh_VertexPointer(loadingscreentexture_vertex3f, 0, 0);
1960                 R_Mesh_ResetTextureState();
1961                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
1962                 R_Mesh_TexCoordPointer(0, 2, loadingscreentexture_texcoord2f, 0, 0);
1963                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1964         }
1965         R_Mesh_VertexPointer(loadingscreenpic_vertex3f, 0, 0);
1966         R_Mesh_ResetTextureState();
1967         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
1968         R_Mesh_TexCoordPointer(0, 2, loadingscreenpic_texcoord2f, 0, 0);
1969         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1970         SCR_DrawLoadingStack();
1971 }
1972
1973 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
1974 {
1975         R_Mesh_Finish();
1976         // refresh
1977         VID_Finish();
1978         // however this IS necessary on Windows Vista
1979         qglFinish();
1980 }
1981
1982 void SCR_UpdateLoadingScreen (qboolean clear)
1983 {
1984         keydest_t       old_key_dest;
1985         int                     old_key_consoleactive;
1986
1987         // don't do anything if not initialized yet
1988         if (vid_hidden || cls.state == ca_dedicated)
1989                 return;
1990
1991         if(!scr_loadingscreen_background.integer)
1992                 clear = true;
1993         
1994         if(loadingscreentime == realtime)
1995                 clear |= loadingscreencleared;
1996
1997         if(loadingscreentime != realtime)
1998                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
1999
2000         if(clear)
2001                 SCR_ClearLoadingScreenTexture();
2002         else if(loadingscreentime != realtime)
2003                 SCR_SetLoadingScreenTexture();
2004
2005         if(loadingscreentime != realtime)
2006         {
2007                 loadingscreentime = realtime;
2008                 loadingscreenheight = 0;
2009         }
2010         loadingscreencleared = clear;
2011
2012         SCR_DrawLoadingScreen_SharedSetup(clear);
2013         if (vid.stereobuffer)
2014         {
2015                 qglDrawBuffer(GL_BACK_LEFT);
2016                 SCR_DrawLoadingScreen(clear);
2017                 qglDrawBuffer(GL_BACK_RIGHT);
2018                 SCR_DrawLoadingScreen(clear);
2019         }
2020         else
2021         {
2022                 qglDrawBuffer(GL_BACK);
2023                 SCR_DrawLoadingScreen(clear);
2024         }
2025         SCR_DrawLoadingScreen_SharedFinish(clear);
2026
2027         // this goes into the event loop, and should prevent unresponsive cursor on vista
2028         old_key_dest = key_dest;
2029         old_key_consoleactive = key_consoleactive;
2030         key_dest = key_void;
2031         key_consoleactive = false;
2032         Key_EventQueue_Block(); Sys_SendKeyEvents();
2033         key_dest = old_key_dest;
2034         key_consoleactive = old_key_consoleactive;
2035 }
2036
2037 qboolean R_Stereo_ColorMasking(void)
2038 {
2039         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2040 }
2041
2042 qboolean R_Stereo_Active(void)
2043 {
2044         return (vid.stereobuffer || r_stereo_sidebyside.integer || R_Stereo_ColorMasking());
2045 }
2046
2047 extern cvar_t cl_minfps;
2048 extern cvar_t cl_minfps_fade;
2049 extern cvar_t cl_minfps_qualitymax;
2050 extern cvar_t cl_minfps_qualitymin;
2051 extern cvar_t cl_minfps_qualitypower;
2052 extern cvar_t cl_minfps_qualityscale;
2053 static double cl_updatescreen_rendertime = 0;
2054 static double cl_updatescreen_quality = 1;
2055 extern void Sbar_ShowFPS_Update(void);
2056 void CL_UpdateScreen(void)
2057 {
2058         double rendertime1;
2059         float conwidth, conheight;
2060         float f;
2061
2062         Sbar_ShowFPS_Update();
2063
2064         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2065                 return;                         // not initialized yet
2066
2067         if(gamemode == GAME_NEXUIZ)
2068         {
2069                 // play a bit with the palette (experimental)
2070                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2071                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2072                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2073                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2074                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2075                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2076                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2077                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2078         }
2079
2080         if (vid_hidden)
2081                 return;
2082
2083         rendertime1 = Sys_DoubleTime();
2084
2085         conwidth = bound(160, vid_conwidth.value, 32768);
2086         conheight = bound(90, vid_conheight.value, 24576);
2087         if (vid_conwidth.value != conwidth)
2088                 Cvar_SetValue("vid_conwidth", conwidth);
2089         if (vid_conheight.value != conheight)
2090                 Cvar_SetValue("vid_conheight", conheight);
2091
2092         // bound viewsize
2093         if (scr_viewsize.value < 30)
2094                 Cvar_Set ("viewsize","30");
2095         if (scr_viewsize.value > 120)
2096                 Cvar_Set ("viewsize","120");
2097
2098         // bound field of view
2099         if (scr_fov.value < 1)
2100                 Cvar_Set ("fov","1");
2101         if (scr_fov.value > 170)
2102                 Cvar_Set ("fov","170");
2103
2104         // intermission is always full screen
2105         if (cl.intermission)
2106                 sb_lines = 0;
2107         else
2108         {
2109                 if (scr_viewsize.value >= 120)
2110                         sb_lines = 0;           // no status bar at all
2111                 else if (scr_viewsize.value >= 110)
2112                         sb_lines = 24;          // no inventory
2113                 else
2114                         sb_lines = 24+16+8;
2115         }
2116
2117         r_refdef.view.colormask[0] = 1;
2118         r_refdef.view.colormask[1] = 1;
2119         r_refdef.view.colormask[2] = 1;
2120
2121         SCR_SetUpToDrawConsole();
2122
2123         CHECKGLERROR
2124         qglDrawBuffer(GL_BACK);CHECKGLERROR
2125         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2126         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2127         qglDepthMask(1);CHECKGLERROR
2128         qglColorMask(1,1,1,1);CHECKGLERROR
2129         qglClearColor(0,0,0,0);CHECKGLERROR
2130         R_ClearScreen(false);
2131         r_refdef.view.clear = false;
2132         r_refdef.view.isoverlay = false;
2133         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2134         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2135
2136         if (qglPolygonStipple)
2137         {
2138                 if(scr_stipple.integer)
2139                 {
2140                         GLubyte stipple[128];
2141                         int i, s, width, parts;
2142                         static int frame = 0;
2143                         ++frame;
2144         
2145                         s = scr_stipple.integer;
2146                         parts = (s & 007);
2147                         width = (s & 070) >> 3;
2148         
2149                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2150                         for(i = 0; i < 128; ++i)
2151                         {
2152                                 int line = i/4;
2153                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2154                         }
2155                         qglPolygonStipple(stipple);CHECKGLERROR
2156                 }
2157                 else
2158                 {
2159                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2160                 }
2161         }
2162
2163         CHECKGLERROR
2164         if (R_Stereo_Active())
2165         {
2166                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2167                 matrix4x4_t offsetmatrix;
2168                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2169                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2170
2171                 if (r_stereo_sidebyside.integer)
2172                         r_stereo_side = 0;
2173
2174                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2175                 {
2176                         r_refdef.view.colormask[0] = 1;
2177                         r_refdef.view.colormask[1] = 0;
2178                         r_refdef.view.colormask[2] = 0;
2179                 }
2180
2181                 if (vid.stereobuffer)
2182                         qglDrawBuffer(GL_BACK_RIGHT);
2183
2184                 SCR_DrawScreen();
2185
2186                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2187                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2188
2189                 if (r_stereo_sidebyside.integer)
2190                         r_stereo_side = 1;
2191
2192                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2193                 {
2194                         r_refdef.view.colormask[0] = 0;
2195                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2196                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2197                 }
2198
2199                 if (vid.stereobuffer)
2200                         qglDrawBuffer(GL_BACK_LEFT);
2201
2202                 SCR_DrawScreen();
2203
2204                 r_refdef.view.matrix = originalmatrix;
2205         }
2206         else
2207                 SCR_DrawScreen();
2208         CHECKGLERROR
2209
2210         SCR_CaptureVideo();
2211
2212         // quality adjustment according to render time
2213         CHECKGLERROR
2214         qglFlush(); // FIXME: should we really be using qglFlush here?
2215         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2216         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2217                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2218         else
2219                 cl_updatescreen_quality = 1;
2220
2221         if (!vid_activewindow)
2222                 VID_SetMouse(false, false, false);
2223         else if (key_consoleactive)
2224                 VID_SetMouse(vid.fullscreen, false, false);
2225         else if (key_dest == key_menu_grabbed)
2226                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2227         else if (key_dest == key_menu)
2228                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2229         else
2230                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2231
2232         VID_Finish();
2233 }
2234
2235 void CL_Screen_NewMap(void)
2236 {
2237 }