remove another unused variable
[divverent/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 gfx/conback"};
19 cvar_t scr_conalphafactor = {CVAR_SAVE, "scr_conalphafactor", "1", "opacity of console background gfx/conback relative to scr_conalpha; when 0, gfx/conback is not drawn"};
20 cvar_t scr_conalpha2factor = {CVAR_SAVE, "scr_conalpha2factor", "0", "opacity of console background gfx/conback2 relative to scr_conalpha; when 0, gfx/conback2 is not drawn"};
21 cvar_t scr_conalpha3factor = {CVAR_SAVE, "scr_conalpha3factor", "0", "opacity of console background gfx/conback3 relative to scr_conalpha; when 0, gfx/conback3 is not drawn"};
22 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
23 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
24 cvar_t scr_conscroll_x = {CVAR_SAVE, "scr_conscroll_x", "0", "scroll speed of gfx/conback in x direction"};
25 cvar_t scr_conscroll_y = {CVAR_SAVE, "scr_conscroll_y", "0", "scroll speed of gfx/conback in y direction"};
26 cvar_t scr_conscroll2_x = {CVAR_SAVE, "scr_conscroll2_x", "0", "scroll speed of gfx/conback2 in x direction"};
27 cvar_t scr_conscroll2_y = {CVAR_SAVE, "scr_conscroll2_y", "0", "scroll speed of gfx/conback2 in y direction"};
28 cvar_t scr_conscroll3_x = {CVAR_SAVE, "scr_conscroll3_x", "0", "scroll speed of gfx/conback3 in x direction"};
29 cvar_t scr_conscroll3_y = {CVAR_SAVE, "scr_conscroll3_y", "0", "scroll speed of gfx/conback3 in y direction"};
30 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
31 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
32 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
33 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
34 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
35 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
36 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
37 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
38 cvar_t scr_loadingscreen_count = {0, "scr_loadingscreen_count","1", "number of loading screen files to use randomly (named loading.tga, loading2.tga, loading3.tga, ...)"};
39 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
40 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "a height loadingscreen progress bar"};
41 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
42 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
43 cvar_t vid_pixelheight = {CVAR_SAVE, "vid_pixelheight", "1", "adjusts vertical field of vision to account for non-square pixels (1280x1024 on a CRT monitor for example)"};
44 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
45 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
46 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
47 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
48 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
49 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
50 // scr_screenshot_name is defined in fs.c
51 cvar_t cl_capturevideo = {0, "cl_capturevideo", "0", "enables saving of video to a .avi file using uncompressed I420 colorspace and PCM audio, note that scr_screenshot_gammaboost affects the brightness of the output)"};
52 cvar_t cl_capturevideo_printfps = {CVAR_SAVE, "cl_capturevideo_printfps", "1", "prints the frames per second captured in capturevideo (is only written to the log file, not to the console, as that would be visible on the video)"};
53 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
54 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
55 cvar_t cl_capturevideo_realtime = {0, "cl_capturevideo_realtime", "0", "causes video saving to operate in realtime (mostly useful while playing, not while capturing demos), this can produce a much lower quality video due to poor sound/video sync and will abort saving if your machine stalls for over a minute"};
56 cvar_t cl_capturevideo_fps = {CVAR_SAVE, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
57 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
58 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
59 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
60 cvar_t cl_capturevideo_framestep = {CVAR_SAVE, "cl_capturevideo_framestep", "1", "when set to n >= 1, render n frames to capture one (useful for motion blur like effects)"};
61 cvar_t r_letterbox = {0, "r_letterbox", "0", "reduces vertical height of view to simulate a letterboxed movie effect (can be used by mods for cutscenes)"};
62 cvar_t r_stereo_separation = {0, "r_stereo_separation", "4", "separation distance of eyes in the world (negative values are only useful for cross-eyed viewing)"};
63 cvar_t r_stereo_sidebyside = {0, "r_stereo_sidebyside", "0", "side by side views for those who can't afford glasses but can afford eye strain (note: use a negative r_stereo_separation if you want cross-eyed viewing)"};
64 cvar_t r_stereo_redblue = {0, "r_stereo_redblue", "0", "red/blue anaglyph stereo glasses (note: most of these glasses are actually red/cyan, try that one too)"};
65 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"};
66 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
67 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)"};
68 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
69 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
70 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
71 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
72 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
73 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
74 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"};
75 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)"};
76 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)"};
77 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"};
78
79 extern cvar_t v_glslgamma;
80 extern cvar_t sbar_info_pos;
81 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
82
83 int jpeg_supported = false;
84
85 qboolean        scr_initialized;                // ready to draw
86
87 float           scr_con_current;
88 int                     scr_con_margin_bottom;
89
90 extern int      con_vislines;
91
92 static void SCR_ScreenShot_f (void);
93 static void R_Envmap_f (void);
94
95 // backend
96 void R_ClearScreen(qboolean fogcolor);
97
98 /*
99 ===============================================================================
100
101 CENTER PRINTING
102
103 ===============================================================================
104 */
105
106 char            scr_centerstring[MAX_INPUTLINE];
107 float           scr_centertime_start;   // for slow victory printing
108 float           scr_centertime_off;
109 int                     scr_center_lines;
110 int                     scr_erase_lines;
111 int                     scr_erase_center;
112 char        scr_infobarstring[MAX_INPUTLINE];
113 float       scr_infobartime_off;
114
115 /*
116 ==============
117 SCR_CenterPrint
118
119 Called for important messages that should stay in the center of the screen
120 for a few moments
121 ==============
122 */
123 void SCR_CenterPrint(const char *str)
124 {
125         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
126         scr_centertime_off = scr_centertime.value;
127         scr_centertime_start = cl.time;
128
129 // count the number of lines for centering
130         scr_center_lines = 1;
131         while (*str)
132         {
133                 if (*str == '\n')
134                         scr_center_lines++;
135                 str++;
136         }
137 }
138
139
140 void SCR_DrawCenterString (void)
141 {
142         char    *start;
143         int             x, y;
144         int             remaining;
145         int             color;
146
147         if(cl.intermission == 2) // in finale,
148                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
149                         return;
150
151         if(scr_centertime.value <= 0 && !cl.intermission)
152                 return;
153
154 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
155         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
156                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
157         else
158                 remaining = 9999;
159
160         scr_erase_center = 0;
161         start = scr_centerstring;
162
163         if (remaining < 1)
164                 return;
165
166         if (scr_center_lines <= 4)
167                 y = (int)(vid_conheight.integer*0.35);
168         else
169                 y = 48;
170
171         color = -1;
172         do
173         {
174                 // scan the number of characters on the line, not counting color codes
175                 char *newline = strchr(start, '\n');
176                 int l = newline ? (newline - start) : (int)strlen(start);
177                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
178
179                 x = (int) (vid_conwidth.integer - width)/2;
180                 if (l > 0)
181                 {
182                         if (remaining < l)
183                                 l = remaining;
184                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
185                         remaining -= l;
186                         if (remaining <= 0)
187                                 return;
188                 }
189                 y += 8;
190
191                 if (!newline)
192                         break;
193                 start = newline + 1; // skip the \n
194         } while (1);
195 }
196
197 void SCR_CheckDrawCenterString (void)
198 {
199         if (scr_center_lines > scr_erase_lines)
200                 scr_erase_lines = scr_center_lines;
201
202         if (cl.time > cl.oldtime)
203                 scr_centertime_off -= cl.time - cl.oldtime;
204
205         // don't draw if this is a normal stats-screen intermission,
206         // only if it is not an intermission, or a finale intermission
207         if (cl.intermission == 1)
208                 return;
209         if (scr_centertime_off <= 0 && !cl.intermission)
210                 return;
211         if (key_dest != key_game)
212                 return;
213
214         SCR_DrawCenterString ();
215 }
216
217 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
218 {
219         netgraphitem_t *graph;
220         int j, x, y;
221         int totalbytes = 0;
222         char bytesstring[128];
223         float g[NETGRAPH_PACKETS][6];
224         float *a;
225         float *b;
226         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
227         // draw the bar graph itself
228         // advance the packet counter because it is the latest packet column being
229         // built up and should come last
230         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
231         memset(g, 0, sizeof(g));
232         for (j = 0;j < NETGRAPH_PACKETS;j++)
233         {
234                 graph = netgraph + j;
235                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
236                 g[j][1] = 1.0f;
237                 g[j][2] = 1.0f;
238                 g[j][3] = 1.0f;
239                 g[j][4] = 1.0f;
240                 g[j][5] = 1.0f;
241                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
242                         g[j][1] = 0.00f;
243                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
244                         g[j][2] = 0.96f;
245                 else
246                 {
247                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
248                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
249                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
250                         // count bytes in the last second
251                         if (realtime - graph->time < 1.0f)
252                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
253                 }
254                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
255                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
256                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
257                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
258                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
259         }
260         // render the lines for the graph
261         for (j = 0;j < NETGRAPH_PACKETS;j++)
262         {
263                 a = g[j];
264                 b = g[(j+1)%NETGRAPH_PACKETS];
265                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
266                         continue;
267                 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);
268                 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);
269                 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);
270                 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);
271                 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);
272         }
273         x = graphx;
274         y = graphy + graphheight;
275         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
276         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
277         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
278 }
279
280 /*
281 ==============
282 SCR_DrawNetGraph
283 ==============
284 */
285 void SCR_DrawNetGraph (void)
286 {
287         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
288         float graphscale;
289         netconn_t *c;
290
291         if (cls.state != ca_connected)
292                 return;
293         if (!cls.netcon)
294                 return;
295         if (!shownetgraph.integer)
296                 return;
297
298         separator1 = 2;
299         separator2 = 4;
300         textsize = 8;
301         graphwidth = 120;
302         graphheight = 70;
303         graphscale = 1.0f / 1500.0f;
304
305         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
306         netgraphsperrow = max(netgraphsperrow, 1);
307
308         index = 0;
309         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
310         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
311         c = cls.netcon;
312         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
313         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
314         index++;
315
316         if (sv.active && shownetgraph.integer >= 2)
317         {
318                 for (i = 0;i < svs.maxclients;i++)
319                 {
320                         c = svs.clients[i].netconnection;
321                         if (!c)
322                                 continue;
323                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
324                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
325                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
326                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
327                         index++;
328                 }
329         }
330 }
331
332 /*
333 ==============
334 SCR_DrawTurtle
335 ==============
336 */
337 void SCR_DrawTurtle (void)
338 {
339         static int      count;
340
341         if (cls.state != ca_connected)
342                 return;
343
344         if (!scr_showturtle.integer)
345                 return;
346
347         if (cl.realframetime < 0.1)
348         {
349                 count = 0;
350                 return;
351         }
352
353         count++;
354         if (count < 3)
355                 return;
356
357         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
358 }
359
360 /*
361 ==============
362 SCR_DrawNet
363 ==============
364 */
365 void SCR_DrawNet (void)
366 {
367         if (cls.state != ca_connected)
368                 return;
369         if (realtime - cl.last_received_message < 0.3)
370                 return;
371         if (cls.demoplayback)
372                 return;
373
374         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
375 }
376
377 /*
378 ==============
379 DrawPause
380 ==============
381 */
382 void SCR_DrawPause (void)
383 {
384         cachepic_t      *pic;
385
386         if (cls.state != ca_connected)
387                 return;
388
389         if (!scr_showpause.integer)             // turn off for screenshots
390                 return;
391
392         if (!cl.paused)
393                 return;
394
395         pic = Draw_CachePic ("gfx/pause");
396         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
397 }
398
399 /*
400 ==============
401 SCR_DrawBrand
402 ==============
403 */
404 void SCR_DrawBrand (void)
405 {
406         cachepic_t      *pic;
407         float           x, y;
408
409         if (!scr_showbrand.value)
410                 return;
411
412         pic = Draw_CachePic ("gfx/brand");
413
414         switch ((int)scr_showbrand.value)
415         {
416         case 1: // bottom left
417                 x = 0;
418                 y = vid_conheight.integer - pic->height;
419                 break;
420         case 2: // bottom centre
421                 x = (vid_conwidth.integer - pic->width) / 2;
422                 y = vid_conheight.integer - pic->height;
423                 break;
424         case 3: // bottom right
425                 x = vid_conwidth.integer - pic->width;
426                 y = vid_conheight.integer - pic->height;
427                 break;
428         case 4: // centre right
429                 x = vid_conwidth.integer - pic->width;
430                 y = (vid_conheight.integer - pic->height) / 2;
431                 break;
432         case 5: // top right
433                 x = vid_conwidth.integer - pic->width;
434                 y = 0;
435                 break;
436         case 6: // top centre
437                 x = (vid_conwidth.integer - pic->width) / 2;
438                 y = 0;
439                 break;
440         case 7: // top left
441                 x = 0;
442                 y = 0;
443                 break;
444         case 8: // centre left
445                 x = 0;
446                 y = (vid_conheight.integer - pic->height) / 2;
447                 break;
448         default:
449                 return;
450         }
451
452         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
453 }
454
455 /*
456 ==============
457 SCR_DrawQWDownload
458 ==============
459 */
460 static int SCR_DrawQWDownload(int offset)
461 {
462         // sync with SCR_InfobarHeight
463         int len;
464         float x, y;
465         float size = 8;
466         char temp[256];
467
468         if (!cls.qw_downloadname[0])
469         {
470                 cls.qw_downloadspeedrate = 0;
471                 cls.qw_downloadspeedtime = realtime;
472                 cls.qw_downloadspeedcount = 0;
473                 return 0;
474         }
475         if (realtime >= cls.qw_downloadspeedtime + 1)
476         {
477                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
478                 cls.qw_downloadspeedtime = realtime;
479                 cls.qw_downloadspeedcount = 0;
480         }
481         if (cls.protocol == PROTOCOL_QUAKEWORLD)
482                 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);
483         else
484                 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);
485         len = (int)strlen(temp);
486         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
487         y = vid_conheight.integer - size - offset;
488         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
489         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
490         return 8;
491 }
492 /*
493 ==============
494 SCR_DrawInfobarString
495 ==============
496 */
497 static int SCR_DrawInfobarString(int offset)
498 {
499         int len;
500         float x, y;
501         float size = 8;
502
503         len = (int)strlen(scr_infobarstring);
504         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
505         y = vid_conheight.integer - size - offset;
506         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
507         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
508         return 8;
509 }
510
511 /*
512 ==============
513 SCR_DrawCurlDownload
514 ==============
515 */
516 static int SCR_DrawCurlDownload(int offset)
517 {
518         // sync with SCR_InfobarHeight
519         int len;
520         int nDownloads;
521         int i;
522         float x, y;
523         float size = 8;
524         Curl_downloadinfo_t *downinfo;
525         char temp[256];
526         const char *addinfo;
527
528         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
529         if(!downinfo)
530                 return 0;
531
532         y = vid_conheight.integer - size * nDownloads - offset;
533
534         if(addinfo)
535         {
536                 len = (int)strlen(addinfo);
537                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
538                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
539                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
540         }
541
542         for(i = 0; i != nDownloads; ++i)
543         {
544                 if(downinfo[i].queued)
545                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
546                 else if(downinfo[i].progress <= 0)
547                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
548                 else
549                         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);
550                 len = (int)strlen(temp);
551                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
552                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
553                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
554         }
555
556         Z_Free(downinfo);
557
558         return 8 * (nDownloads + (addinfo ? 1 : 0));
559 }
560
561 /*
562 ==============
563 SCR_DrawInfobar
564 ==============
565 */
566 static void SCR_DrawInfobar(void)
567 {
568         int offset = 0;
569         if(scr_infobartime_off > 0)
570                 offset += SCR_DrawInfobarString(offset);
571         offset += SCR_DrawQWDownload(offset);
572         offset += SCR_DrawCurlDownload(offset);
573         if(offset != scr_con_margin_bottom)
574                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
575 }
576
577 static int SCR_InfobarHeight(void)
578 {
579         int offset = 0;
580         Curl_downloadinfo_t *downinfo;
581         const char *addinfo;
582         int nDownloads;
583
584         if (cl.time > cl.oldtime)
585                 scr_infobartime_off -= cl.time - cl.oldtime;
586         if(scr_infobartime_off > 0)
587                 offset += 8;
588
589         if(cls.qw_downloadname[0])
590                 offset += 8;
591
592         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
593         if(downinfo)
594         {
595                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
596                 Z_Free(downinfo);
597         }
598
599         return offset;
600 }
601
602 /*
603 ==============
604 SCR_InfoBar_f
605 ==============
606 */
607 void SCR_InfoBar_f(void)
608 {
609         if(Cmd_Argc() == 3)
610         {
611                 scr_infobartime_off = atof(Cmd_Argv(1));
612                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
613         }
614         else
615         {
616                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
617         }
618 }
619 //=============================================================================
620
621 /*
622 ==================
623 SCR_SetUpToDrawConsole
624 ==================
625 */
626 void SCR_SetUpToDrawConsole (void)
627 {
628         // lines of console to display
629         float conlines;
630         static int framecounter = 0;
631
632         Con_CheckResize ();
633
634         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
635         {
636                 if (framecounter >= 2)
637                         MR_ToggleMenu(1);
638                 else
639                         framecounter++;
640         }
641         else
642                 framecounter = 0;
643
644         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
645                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
646         else
647                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
648
649 // decide on the height of the console
650         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
651                 conlines = vid_conheight.integer/2;     // half screen
652         else
653                 conlines = 0;                           // none visible
654
655         scr_con_current = conlines;
656 }
657
658 /*
659 ==================
660 SCR_DrawConsole
661 ==================
662 */
663 void SCR_DrawConsole (void)
664 {
665         scr_con_margin_bottom = SCR_InfobarHeight();
666         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
667         {
668                 // full screen
669                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
670         }
671         else if (scr_con_current)
672                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
673         else
674                 con_vislines = 0;
675 }
676
677 /*
678 ===============
679 SCR_BeginLoadingPlaque
680
681 ================
682 */
683 void SCR_BeginLoadingPlaque (void)
684 {
685         // save console log up to this point to log_file if it was set by configs
686         Log_Start();
687
688         Host_StartVideo();
689         SCR_UpdateLoadingScreen(false);
690 }
691
692 //=============================================================================
693
694 char r_speeds_timestring[4096];
695 int speedstringcount, r_timereport_active;
696 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
697 int r_speeds_longestitem = 0;
698
699 void R_TimeReport(const char *desc)
700 {
701         char tempbuf[256];
702         int length;
703         int t;
704
705         if (r_speeds.integer < 2 || !r_timereport_active)
706                 return;
707
708         CHECKGLERROR
709         if (r_speeds.integer == 2 && qglFinish)
710                 qglFinish();
711         CHECKGLERROR
712         r_timereport_temp = r_timereport_current;
713         r_timereport_current = Sys_DoubleTime();
714         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
715
716         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
717         length = min(length, (int)sizeof(tempbuf) - 1);
718         if (r_speeds_longestitem < length)
719                 r_speeds_longestitem = length;
720         for (;length < r_speeds_longestitem;length++)
721                 tempbuf[length] = ' ';
722         tempbuf[length] = 0;
723
724         if (speedstringcount + length > (vid_conwidth.integer / 8))
725         {
726                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
727                 speedstringcount = 0;
728         }
729         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
730         speedstringcount += length;
731 }
732
733 void R_TimeReport_BeginFrame(void)
734 {
735         speedstringcount = 0;
736         r_speeds_timestring[0] = 0;
737         r_timereport_active = false;
738         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
739
740         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
741         {
742                 r_timereport_active = true;
743                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
744         }
745 }
746
747 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
748 {
749         int i, triangles = 0;
750         for (i = 0;i < leaf->numleafsurfaces;i++)
751                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
752         return triangles;
753 }
754
755 void R_TimeReport_EndFrame(void)
756 {
757         int i, j, lines, y;
758         cl_locnode_t *loc;
759         char string[1024+4096];
760         mleaf_t *viewleaf;
761
762         string[0] = 0;
763         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
764         {
765                 // put the location name in the r_speeds display as it greatly helps
766                 // when creating loc files
767                 loc = CL_Locs_FindNearest(cl.movement_origin);
768                 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;
769                 dpsnprintf(string, sizeof(string),
770 "%s%s\n"
771 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
772 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
773 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
774 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
775 "%7i lightmap updates (%7i pixels)\n"
776 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
777 "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n"
778 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
779 "%s"
780 , loc ? "Location: " : "", loc ? loc->name : ""
781 , 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]
782 , 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
783 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
784 , 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)
785 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
786 , 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
787 , r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
788 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
789 , r_speeds_timestring);
790
791                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
792
793                 speedstringcount = 0;
794                 r_speeds_timestring[0] = 0;
795                 r_timereport_active = false;
796
797                 if (r_speeds.integer >= 2)
798                 {
799                         r_timereport_active = true;
800                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
801                 }
802         }
803
804         if (string[0])
805         {
806                 if (string[strlen(string)-1] == '\n')
807                         string[strlen(string)-1] = 0;
808                 lines = 1;
809                 for (i = 0;string[i];i++)
810                         if (string[i] == '\n')
811                                 lines++;
812                 y = vid_conheight.integer - sb_lines - lines * 8;
813                 i = j = 0;
814                 r_draw2d_force = true;
815                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
816                 while (string[i])
817                 {
818                         j = i;
819                         while (string[i] && string[i] != '\n')
820                                 i++;
821                         if (i - j > 0)
822                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
823                         if (string[i] == '\n')
824                                 i++;
825                         y += 8;
826                 }
827                 r_draw2d_force = false;
828         }
829 }
830
831 /*
832 =================
833 SCR_SizeUp_f
834
835 Keybinding command
836 =================
837 */
838 void SCR_SizeUp_f (void)
839 {
840         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
841 }
842
843
844 /*
845 =================
846 SCR_SizeDown_f
847
848 Keybinding command
849 =================
850 */
851 void SCR_SizeDown_f (void)
852 {
853         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
854 }
855
856 void SCR_CaptureVideo_EndVideo(void);
857 void CL_Screen_Shutdown(void)
858 {
859         SCR_CaptureVideo_EndVideo();
860 }
861
862 void CL_Screen_Init(void)
863 {
864         Cvar_RegisterVariable (&scr_fov);
865         Cvar_RegisterVariable (&scr_viewsize);
866         Cvar_RegisterVariable (&scr_conalpha);
867         Cvar_RegisterVariable (&scr_conalphafactor);
868         Cvar_RegisterVariable (&scr_conalpha2factor);
869         Cvar_RegisterVariable (&scr_conalpha3factor);
870         Cvar_RegisterVariable (&scr_conscroll_x);
871         Cvar_RegisterVariable (&scr_conscroll_y);
872         Cvar_RegisterVariable (&scr_conscroll2_x);
873         Cvar_RegisterVariable (&scr_conscroll2_y);
874         Cvar_RegisterVariable (&scr_conscroll3_x);
875         Cvar_RegisterVariable (&scr_conscroll3_y);
876         Cvar_RegisterVariable (&scr_conbrightness);
877         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
878         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
879         Cvar_RegisterVariable (&scr_loadingscreen_background);
880         Cvar_RegisterVariable (&scr_loadingscreen_count);
881         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
882         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
883         Cvar_RegisterVariable (&scr_showram);
884         Cvar_RegisterVariable (&scr_showturtle);
885         Cvar_RegisterVariable (&scr_showpause);
886         Cvar_RegisterVariable (&scr_showbrand);
887         Cvar_RegisterVariable (&scr_centertime);
888         Cvar_RegisterVariable (&scr_printspeed);
889         Cvar_RegisterVariable (&vid_conwidth);
890         Cvar_RegisterVariable (&vid_conheight);
891         Cvar_RegisterVariable (&vid_pixelheight);
892         Cvar_RegisterVariable (&scr_screenshot_jpeg);
893         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
894         Cvar_RegisterVariable (&scr_screenshot_png);
895         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
896         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
897         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
898         Cvar_RegisterVariable (&scr_screenshot_alpha);
899         Cvar_RegisterVariable (&cl_capturevideo);
900         Cvar_RegisterVariable (&cl_capturevideo_printfps);
901         Cvar_RegisterVariable (&cl_capturevideo_width);
902         Cvar_RegisterVariable (&cl_capturevideo_height);
903         Cvar_RegisterVariable (&cl_capturevideo_realtime);
904         Cvar_RegisterVariable (&cl_capturevideo_fps);
905         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
906         Cvar_RegisterVariable (&cl_capturevideo_number);
907         Cvar_RegisterVariable (&cl_capturevideo_ogg);
908         Cvar_RegisterVariable (&cl_capturevideo_framestep);
909         Cvar_RegisterVariable (&r_letterbox);
910         Cvar_RegisterVariable(&r_stereo_separation);
911         Cvar_RegisterVariable(&r_stereo_sidebyside);
912         Cvar_RegisterVariable(&r_stereo_redblue);
913         Cvar_RegisterVariable(&r_stereo_redcyan);
914         Cvar_RegisterVariable(&r_stereo_redgreen);
915         Cvar_RegisterVariable(&r_stereo_angle);
916         Cvar_RegisterVariable(&scr_zoomwindow);
917         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
918         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
919         Cvar_RegisterVariable(&scr_zoomwindow_fov);
920         Cvar_RegisterVariable(&scr_stipple);
921         Cvar_RegisterVariable(&scr_refresh);
922         Cvar_RegisterVariable(&shownetgraph);
923         Cvar_RegisterVariable(&cl_demo_mousegrab);
924         Cvar_RegisterVariable(&timedemo_screenshotframelist);
925
926         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
927         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
928         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
929         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
930         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
931
932         SCR_CaptureVideo_Ogg_Init();
933
934         scr_initialized = true;
935 }
936
937 /*
938 ==================
939 SCR_ScreenShot_f
940 ==================
941 */
942 void SCR_ScreenShot_f (void)
943 {
944         static int shotnumber;
945         static char old_prefix_name[MAX_QPATH];
946         char prefix_name[MAX_QPATH];
947         char filename[MAX_QPATH];
948         unsigned char *buffer1;
949         unsigned char *buffer2;
950         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
951         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
952
953         if (Cmd_Argc() == 2)
954         {
955                 const char *ext;
956                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
957                 ext = FS_FileExtension(filename);
958                 if (!strcasecmp(ext, "jpg"))
959                 {
960                         jpeg = true;
961                         png = false;
962                 }
963                 else if (!strcasecmp(ext, "tga"))
964                 {
965                         jpeg = false;
966                         png = false;
967                 }
968                 else if (!strcasecmp(ext, "png"))
969                 {
970                         jpeg = false;
971                         png = true;
972                 }
973                 else
974                 {
975                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
976                         return;
977                 }
978         }
979         else
980         {
981                 // TODO maybe make capturevideo and screenshot use similar name patterns?
982                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
983                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
984                 else
985                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
986
987                 if (strcmp(old_prefix_name, prefix_name))
988                 {
989                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
990                         shotnumber = 0;
991                 }
992
993                 // find a file name to save it to
994                 for (;shotnumber < 1000000;shotnumber++)
995                         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)))
996                                 break;
997                 if (shotnumber >= 1000000)
998                 {
999                         Con_Print("Couldn't create the image file\n");
1000                         return;
1001                 }
1002
1003                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
1004         }
1005
1006         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1007         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
1008
1009         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer != 0))
1010                 Con_Printf("Wrote %s\n", filename);
1011         else
1012         {
1013                 Con_Printf("Unable to write %s\n", filename);
1014                 if(jpeg || png)
1015                 {
1016                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer != 0))
1017                         {
1018                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1019                                 Con_Printf("Wrote %s\n", filename);
1020                         }
1021                 }
1022         }
1023
1024         Mem_Free (buffer1);
1025         Mem_Free (buffer2);
1026
1027         shotnumber++;
1028 }
1029
1030 void SCR_CaptureVideo_BeginVideo(void)
1031 {
1032         double r, g, b;
1033         unsigned int i;
1034         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1035         if (cls.capturevideo.active)
1036                 return;
1037         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1038         // soundrate is figured out on the first SoundFrame
1039
1040         if(width == 0 && height != 0)
1041                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1042         if(width != 0 && height == 0)
1043                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1044
1045         if(width < 2 || width > vid.width) // can't scale up
1046                 width = vid.width;
1047         if(height < 2 || height > vid.height) // can't scale up
1048                 height = vid.height;
1049
1050         // ensure it's all even; if not, scale down a little
1051         if(width % 1)
1052                 --width;
1053         if(height % 1)
1054                 --height;
1055
1056         cls.capturevideo.width = width;
1057         cls.capturevideo.height = height;
1058         cls.capturevideo.active = true;
1059         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1060         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1061         cls.capturevideo.soundrate = S_GetSoundRate();
1062         cls.capturevideo.soundchannels = S_GetSoundChannels();
1063         cls.capturevideo.startrealtime = realtime;
1064         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1065         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1066         cls.capturevideo.soundsampleframe = 0;
1067         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1068         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1069         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1070         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1071         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1072
1073         /*
1074         for (i = 0;i < 256;i++)
1075         {
1076                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1077                 cls.capturevideo.rgbgammatable[0][i] = j;
1078                 cls.capturevideo.rgbgammatable[1][i] = j;
1079                 cls.capturevideo.rgbgammatable[2][i] = j;
1080         }
1081         */
1082 /*
1083 R = Y + 1.4075 * (Cr - 128);
1084 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1085 B = Y + 1.7790 * (Cb - 128);
1086 Y = R *  .299 + G *  .587 + B *  .114;
1087 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1088 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1089 */
1090
1091         if(WANT_SCREENSHOT_HWGAMMA)
1092         {
1093                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1094         }
1095         else
1096         {
1097                 // identity gamma table
1098                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1099                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1100                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1101         }
1102         if(scr_screenshot_gammaboost.value != 1)
1103         {
1104                 double igamma = 1 / scr_screenshot_gammaboost.value;
1105                 for (i = 0;i < 256 * 3;i++)
1106                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1107         }
1108
1109         for (i = 0;i < 256;i++)
1110         {
1111                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1112                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1113                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1114                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1115                 // Y weights from RGB
1116                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1117                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1118                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1119                 // Cb weights from RGB
1120                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1121                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1122                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1123                 // Cr weights from RGB
1124                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1125                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1126                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1127                 // range reduction of YCbCr to valid signal range
1128                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1129                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1130                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1131         }
1132
1133         if (cl_capturevideo_ogg.integer)
1134         {
1135                 if(SCR_CaptureVideo_Ogg_Available())
1136                 {
1137                         SCR_CaptureVideo_Ogg_BeginVideo();
1138                         return;
1139                 }
1140                 else
1141                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1142         }
1143
1144         SCR_CaptureVideo_Avi_BeginVideo();
1145 }
1146
1147 void SCR_CaptureVideo_EndVideo(void)
1148 {
1149         if (!cls.capturevideo.active)
1150                 return;
1151         cls.capturevideo.active = false;
1152
1153         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);
1154
1155         if (cls.capturevideo.videofile)
1156         {
1157                 cls.capturevideo.endvideo();
1158         }
1159
1160         if (cls.capturevideo.screenbuffer)
1161         {
1162                 Mem_Free (cls.capturevideo.screenbuffer);
1163                 cls.capturevideo.screenbuffer = NULL;
1164         }
1165
1166         if (cls.capturevideo.outbuffer)
1167         {
1168                 Mem_Free (cls.capturevideo.outbuffer);
1169                 cls.capturevideo.outbuffer = NULL;
1170         }
1171
1172         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1173 }
1174
1175 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1176 {
1177         // TODO optimize this function
1178
1179         int x, y;
1180         float area;
1181
1182         // memcpy is faster than me
1183         if(inw == outw && inh == outh)
1184         {
1185                 memcpy(out, in, 4 * inw * inh);
1186                 return;
1187         }
1188
1189         // otherwise: a box filter
1190         area = (float)outw * (float)outh / (float)inw / (float)inh;
1191         for(y = 0; y < outh; ++y)
1192         {
1193                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1194                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1195                 for(x = 0; x < outw; ++x)
1196                 {
1197                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1198                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1199                         float r = 0, g = 0, b = 0, alpha = 0;
1200                         int xx, yy;
1201
1202                         for(yy = iny0_i; yy < iny1_i; ++yy)
1203                         {
1204                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1205                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1206                                 {
1207                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1208                                         r += a * in[4*(xx + inw * yy)+0];
1209                                         g += a * in[4*(xx + inw * yy)+1];
1210                                         b += a * in[4*(xx + inw * yy)+2];
1211                                         alpha += a * in[4*(xx + inw * yy)+3];
1212                                 }
1213                         }
1214
1215                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1216                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1217                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1218                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1219                 }
1220         }
1221 }
1222
1223 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1224 {
1225         int x = 0, y = 0;
1226         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1227
1228         if(newframestepframenum == cls.capturevideo.framestepframe)
1229                 return;
1230
1231         CHECKGLERROR
1232         // speed is critical here, so do saving as directly as possible
1233
1234         GL_ReadPixelsBGRA(x, y, vid.width, vid.height, cls.capturevideo.screenbuffer);
1235
1236         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1237
1238         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1239         cls.capturevideo.framestepframe = newframestepframenum;
1240
1241         if(cl_capturevideo_printfps.integer)
1242         {
1243                 char buf[80];
1244                 double t = Sys_DoubleTime();
1245                 if(t > cls.capturevideo.lastfpstime + 1)
1246                 {
1247                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1248                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1249                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1250                         Sys_PrintToTerminal(buf);
1251                         cls.capturevideo.lastfpstime = t;
1252                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1253                 }
1254         }
1255 }
1256
1257 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1258 {
1259         cls.capturevideo.soundsampleframe += length;
1260         cls.capturevideo.soundframe(paintbuffer, length);
1261 }
1262
1263 void SCR_CaptureVideo(void)
1264 {
1265         int newframenum;
1266         if (cl_capturevideo.integer)
1267         {
1268                 if (!cls.capturevideo.active)
1269                         SCR_CaptureVideo_BeginVideo();
1270                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1271                 {
1272                         Con_Printf("You can not change the video framerate while recording a video.\n");
1273                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1274                 }
1275                 // for AVI saving we have to make sure that sound is saved before video
1276                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1277                         return;
1278                 if (cls.capturevideo.realtime)
1279                 {
1280                         // preserve sound sync by duplicating frames when running slow
1281                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1282                 }
1283                 else
1284                         newframenum = cls.capturevideo.frame + 1;
1285                 // if falling behind more than one second, stop
1286                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1287                 {
1288                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1289                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1290                         SCR_CaptureVideo_EndVideo();
1291                         return;
1292                 }
1293                 // write frames
1294                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1295                 cls.capturevideo.frame = newframenum;
1296                 if (cls.capturevideo.error)
1297                 {
1298                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1299                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1300                         SCR_CaptureVideo_EndVideo();
1301                 }
1302         }
1303         else if (cls.capturevideo.active)
1304                 SCR_CaptureVideo_EndVideo();
1305 }
1306
1307 /*
1308 ===============
1309 R_Envmap_f
1310
1311 Grab six views for environment mapping tests
1312 ===============
1313 */
1314 struct envmapinfo_s
1315 {
1316         float angles[3];
1317         const char *name;
1318         qboolean flipx, flipy, flipdiagonaly;
1319 }
1320 envmapinfo[12] =
1321 {
1322         {{  0,   0, 0}, "rt", false, false, false},
1323         {{  0, 270, 0}, "ft", false, false, false},
1324         {{  0, 180, 0}, "lf", false, false, false},
1325         {{  0,  90, 0}, "bk", false, false, false},
1326         {{-90, 180, 0}, "up",  true,  true, false},
1327         {{ 90, 180, 0}, "dn",  true,  true, false},
1328
1329         {{  0,   0, 0}, "px",  true,  true,  true},
1330         {{  0,  90, 0}, "py", false,  true, false},
1331         {{  0, 180, 0}, "nx", false, false,  true},
1332         {{  0, 270, 0}, "ny",  true, false, false},
1333         {{-90, 180, 0}, "pz", false, false,  true},
1334         {{ 90, 180, 0}, "nz", false, false,  true}
1335 };
1336
1337 static void R_Envmap_f (void)
1338 {
1339         int j, size;
1340         char filename[MAX_QPATH], basename[MAX_QPATH];
1341         unsigned char *buffer1;
1342         unsigned char *buffer2;
1343
1344         if (Cmd_Argc() != 3)
1345         {
1346                 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");
1347                 return;
1348         }
1349
1350         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1351         size = atoi(Cmd_Argv(2));
1352         if (size != 128 && size != 256 && size != 512 && size != 1024)
1353         {
1354                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1355                 return;
1356         }
1357         if (size > vid.width || size > vid.height)
1358         {
1359                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1360                 return;
1361         }
1362
1363         r_refdef.envmap = true;
1364
1365         R_UpdateVariables();
1366
1367         r_refdef.view.x = 0;
1368         r_refdef.view.y = 0;
1369         r_refdef.view.z = 0;
1370         r_refdef.view.width = size;
1371         r_refdef.view.height = size;
1372         r_refdef.view.depth = 1;
1373         r_refdef.view.useperspective = true;
1374         r_refdef.view.isoverlay = false;
1375
1376         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1377         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1378
1379         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1380         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1381
1382         for (j = 0;j < 12;j++)
1383         {
1384                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1385                 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);
1386                 r_refdef.view.quality = 1;
1387                 r_refdef.view.clear = true;
1388                 R_Mesh_Start();
1389                 R_RenderView();
1390                 R_Mesh_Finish();
1391                 SCR_ScreenShot(filename, buffer1, buffer2, 0, vid.height - (r_refdef.view.y + r_refdef.view.height), size, size, envmapinfo[j].flipx, envmapinfo[j].flipy, envmapinfo[j].flipdiagonaly, false, false, false, false);
1392         }
1393
1394         Mem_Free (buffer1);
1395         Mem_Free (buffer2);
1396
1397         r_refdef.envmap = false;
1398 }
1399
1400 //=============================================================================
1401
1402 void SHOWLMP_decodehide(void)
1403 {
1404         int i;
1405         char *lmplabel;
1406         lmplabel = MSG_ReadString();
1407         for (i = 0;i < cl.num_showlmps;i++)
1408                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1409                 {
1410                         cl.showlmps[i].isactive = false;
1411                         return;
1412                 }
1413 }
1414
1415 void SHOWLMP_decodeshow(void)
1416 {
1417         int k;
1418         char lmplabel[256], picname[256];
1419         float x, y;
1420         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1421         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1422         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1423         {
1424                 x = MSG_ReadByte();
1425                 y = MSG_ReadByte();
1426         }
1427         else
1428         {
1429                 x = MSG_ReadShort();
1430                 y = MSG_ReadShort();
1431         }
1432         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1433         {
1434                 showlmp_t *oldshowlmps = cl.showlmps;
1435                 cl.max_showlmps += 16;
1436                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1437                 if (cl.num_showlmps)
1438                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1439                 if (oldshowlmps)
1440                         Mem_Free(oldshowlmps);
1441         }
1442         for (k = 0;k < cl.max_showlmps;k++)
1443                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1444                         break;
1445         if (k == cl.max_showlmps)
1446                 for (k = 0;k < cl.max_showlmps;k++)
1447                         if (!cl.showlmps[k].isactive)
1448                                 break;
1449         cl.showlmps[k].isactive = true;
1450         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1451         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1452         cl.showlmps[k].x = x;
1453         cl.showlmps[k].y = y;
1454         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1455 }
1456
1457 void SHOWLMP_drawall(void)
1458 {
1459         int i;
1460         for (i = 0;i < cl.num_showlmps;i++)
1461                 if (cl.showlmps[i].isactive)
1462                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic_Flags (cl.showlmps[i].pic, CACHEPICFLAG_NOTPERSISTENT), 0, 0, 1, 1, 1, 1, 0);
1463 }
1464
1465 /*
1466 ==============================================================================
1467
1468                                                 SCREEN SHOTS
1469
1470 ==============================================================================
1471 */
1472
1473 // buffer1: 4*w*h
1474 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1475 qboolean SCR_ScreenShot(char *filename, unsigned char *buffer1, unsigned char *buffer2, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg, qboolean png, qboolean gammacorrect, qboolean keep_alpha)
1476 {
1477         int     indices[4] = {0,1,2,3}; // BGRA
1478         qboolean ret;
1479
1480         GL_ReadPixelsBGRA(x, y, width, height, buffer1);
1481
1482         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1483         {
1484                 int i;
1485                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1486                 unsigned short vidramp[256 * 3];
1487                 if(WANT_SCREENSHOT_HWGAMMA)
1488                 {
1489                         VID_BuildGammaTables(&vidramp[0], 256);
1490                 }
1491                 else
1492                 {
1493                         // identity gamma table
1494                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1495                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1496                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1497                 }
1498                 if(scr_screenshot_gammaboost.value != 1)
1499                 {
1500                         for (i = 0;i < 256 * 3;i++)
1501                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1502                 }
1503                 for (i = 0;i < width*height*4;i += 4)
1504                 {
1505                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1506                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1507                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1508                         // A
1509                 }
1510         }
1511
1512         if(keep_alpha && !jpeg)
1513         {
1514                 if(!png)
1515                         flipy = !flipy; // TGA: not preflipped
1516                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1517                 if (png)
1518                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1519                 else
1520                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1521         }
1522         else
1523         {
1524                 if(jpeg)
1525                 {
1526                         indices[0] = 2;
1527                         indices[2] = 0; // RGB
1528                 }
1529                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1530                 if (jpeg)
1531                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1532                 else if (png)
1533                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1534                 else
1535                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1536         }
1537
1538         return ret;
1539 }
1540
1541 //=============================================================================
1542
1543 extern void R_UpdateFogColor(void);
1544 void R_ClearScreen(qboolean fogcolor)
1545 {
1546         float clearcolor[4];
1547         // clear to black
1548         Vector4Clear(clearcolor);
1549         if (fogcolor)
1550         {
1551                 R_UpdateFogColor();
1552                 VectorCopy(r_refdef.fogcolor, clearcolor);
1553         }
1554         // clear depth is 1.0
1555         // LordHavoc: we use a stencil centered around 128 instead of 0,
1556         // to avoid clamping interfering with strange shadow volume
1557         // drawing orders
1558         // clear the screen
1559         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 128);
1560 }
1561
1562 qboolean CL_VM_UpdateView (void);
1563 void SCR_DrawConsole (void);
1564 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1565
1566 int r_stereo_side;
1567
1568 extern void Sbar_ShowFPS(void);
1569 void SCR_DrawScreen (void)
1570 {
1571         Draw_Frame();
1572
1573         R_Mesh_Start();
1574
1575         R_UpdateVariables();
1576
1577         // Quake uses clockwise winding, so these are swapped
1578         r_refdef.view.cullface_front = GL_BACK;
1579         r_refdef.view.cullface_back = GL_FRONT;
1580
1581         if (cls.signon == SIGNONS)
1582         {
1583                 float size;
1584
1585                 size = scr_viewsize.value * (1.0 / 100.0);
1586                 size = min(size, 1);
1587
1588                 if (r_stereo_sidebyside.integer)
1589                 {
1590                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1591                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1592                         r_refdef.view.depth = 1;
1593                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1594                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1595                         r_refdef.view.z = 0;
1596                         if (r_stereo_side)
1597                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1598                 }
1599                 else
1600                 {
1601                         r_refdef.view.width = (int)(vid.width * size);
1602                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1603                         r_refdef.view.depth = 1;
1604                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1605                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1606                         r_refdef.view.z = 0;
1607                 }
1608
1609                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1610                 // LordHavoc: this is designed to produce widescreen fov values
1611                 // when the screen is wider than 4/3 width/height aspect, to do
1612                 // this it simply assumes the requested fov is the vertical fov
1613                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1614                 // higher/lower according to the ratio
1615                 r_refdef.view.useperspective = true;
1616                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1617                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1618
1619                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1620                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1621
1622                 if(!CL_VM_UpdateView())
1623                         R_RenderView();
1624
1625                 if (scr_zoomwindow.integer)
1626                 {
1627                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1628                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1629                         r_refdef.view.width = (int)(vid.width * sizex);
1630                         r_refdef.view.height = (int)(vid.height * sizey);
1631                         r_refdef.view.depth = 1;
1632                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1633                         r_refdef.view.y = 0;
1634                         r_refdef.view.z = 0;
1635
1636                         r_refdef.view.useperspective = true;
1637                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1638                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1639
1640                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1641                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1642
1643                         if(!CL_VM_UpdateView())
1644                                 R_RenderView();
1645                 }
1646         }
1647
1648         if (!r_stereo_sidebyside.integer)
1649         {
1650                 r_refdef.view.width = vid.width;
1651                 r_refdef.view.height = vid.height;
1652                 r_refdef.view.depth = 1;
1653                 r_refdef.view.x = 0;
1654                 r_refdef.view.y = 0;
1655                 r_refdef.view.z = 0;
1656                 r_refdef.view.useperspective = false;
1657         }
1658
1659         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1660         {
1661                 const char *t;
1662                 int framenum;
1663                 t = timedemo_screenshotframelist.string;
1664                 while (*t)
1665                 {
1666                         while (*t == ' ')
1667                                 t++;
1668                         if (!*t)
1669                                 break;
1670                         framenum = atof(t);
1671                         if (framenum == cls.td_frames)
1672                                 break;
1673                         while (*t && *t != ' ')
1674                                 t++;
1675                 }
1676                 if (*t)
1677                 {
1678                         // we need to take a screenshot of this frame...
1679                         char filename[MAX_QPATH];
1680                         unsigned char *buffer1;
1681                         unsigned char *buffer2;
1682                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1683                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1684                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1685                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1686                         Mem_Free(buffer1);
1687                         Mem_Free(buffer2);
1688                 }
1689         }
1690
1691         // draw 2D stuff
1692         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1693                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1694                         Con_DrawNotify ();      // only draw notify in game
1695
1696         if (cls.signon == SIGNONS)
1697         {
1698                 SCR_DrawNet ();
1699                 SCR_DrawTurtle ();
1700                 SCR_DrawPause ();
1701                 if (!r_letterbox.value)
1702                         Sbar_Draw();
1703                 Sbar_ShowFPS();
1704                 SHOWLMP_drawall();
1705                 SCR_CheckDrawCenterString();
1706         }
1707         SCR_DrawNetGraph ();
1708         MR_Draw();
1709         CL_DrawVideo();
1710         R_Shadow_EditLights_DrawSelectedLightProperties();
1711
1712         SCR_DrawConsole();
1713
1714         SCR_DrawBrand();
1715
1716         SCR_DrawInfobar();
1717
1718         if (r_timereport_active)
1719                 R_TimeReport("2d");
1720
1721         if (cls.signon == SIGNONS)
1722         {
1723                 R_TimeReport_EndFrame();
1724                 R_TimeReport_BeginFrame();
1725         }
1726
1727         DrawQ_Finish();
1728
1729         R_DrawGamma();
1730
1731         R_Mesh_Finish();
1732 }
1733
1734 typedef struct loadingscreenstack_s
1735 {
1736         struct loadingscreenstack_s *prev;
1737         char msg[MAX_QPATH];
1738         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1739         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1740         float relative_completion; // 0 .. 1
1741 }
1742 loadingscreenstack_t;
1743 static loadingscreenstack_t *loadingscreenstack = NULL;
1744 static double loadingscreentime = -1;
1745 static qboolean loadingscreencleared = false;
1746 static float loadingscreenheight = 0;
1747 rtexture_t *loadingscreentexture = NULL;
1748 static float loadingscreentexture_vertex3f[12];
1749 static float loadingscreentexture_texcoord2f[8];
1750 static int loadingscreenpic_number = 0;
1751
1752 static void SCR_ClearLoadingScreenTexture(void)
1753 {
1754         if(loadingscreentexture)
1755                 R_FreeTexture(loadingscreentexture);
1756         loadingscreentexture = NULL;
1757 }
1758
1759 extern rtexturepool_t *r_main_texturepool;
1760 static void SCR_SetLoadingScreenTexture(void)
1761 {
1762         int w, h;
1763         float loadingscreentexture_w;
1764         float loadingscreentexture_h;
1765
1766         SCR_ClearLoadingScreenTexture();
1767
1768         if (vid.support.arb_texture_non_power_of_two)
1769         {
1770                 w = vid.width; h = vid.height;
1771                 loadingscreentexture_w = loadingscreentexture_h = 1;
1772         }
1773         else
1774         {
1775                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1776                 loadingscreentexture_w = vid.width / (float) w;
1777                 loadingscreentexture_h = vid.height / (float) h;
1778         }
1779
1780         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
1781         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1782
1783         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1784         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1785         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1786         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1787         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1788         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1789         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1790         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1791         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1792 }
1793
1794 void SCR_UpdateLoadingScreenIfShown(void)
1795 {
1796         if(realtime == loadingscreentime)
1797                 SCR_UpdateLoadingScreen(loadingscreencleared);
1798 }
1799
1800 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1801 {
1802         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1803         s->prev = loadingscreenstack;
1804         loadingscreenstack = s;
1805
1806         strlcpy(s->msg, msg, sizeof(s->msg));
1807         s->relative_completion = 0;
1808
1809         if(s->prev)
1810         {
1811                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1812                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1813                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1814                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1815         }
1816         else
1817         {
1818                 s->absolute_loading_amount_min = 0;
1819                 s->absolute_loading_amount_len = 1;
1820         }
1821
1822         if(redraw)
1823                 SCR_UpdateLoadingScreenIfShown();
1824 }
1825
1826 void SCR_PopLoadingScreen (qboolean redraw)
1827 {
1828         loadingscreenstack_t *s = loadingscreenstack;
1829
1830         if(!s)
1831         {
1832                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1833                 return;
1834         }
1835
1836         loadingscreenstack = s->prev;
1837         if(s->prev)
1838                 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;
1839         Z_Free(s);
1840
1841         if(redraw)
1842                 SCR_UpdateLoadingScreenIfShown();
1843 }
1844
1845 void SCR_ClearLoadingScreen (qboolean redraw)
1846 {
1847         while(loadingscreenstack)
1848                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1849 }
1850
1851 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1852 {
1853         float x;
1854         size_t len;
1855         float total;
1856
1857         total = 0;
1858 #if 0
1859         if(s)
1860         {
1861                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1862                 y -= total;
1863                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1864                 {
1865                         len = strlen(s->msg);
1866                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1867                         y -= size;
1868                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1869                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1870                         total += size;
1871                 }
1872         }
1873 #else
1874         if(s)
1875         {
1876                 len = strlen(s->msg);
1877                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1878                 y -= size;
1879                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1880                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1881                 total += size;
1882         }
1883 #endif
1884         return total;
1885 }
1886
1887 static void SCR_DrawLoadingStack(void)
1888 {
1889         float verts[12];
1890         float colors[16];
1891
1892         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1893         if(loadingscreenstack)
1894         {
1895                 // height = 32; // sorry, using the actual one is ugly
1896                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1897                 GL_DepthRange(0, 1);
1898                 GL_PolygonOffset(0, 0);
1899                 GL_DepthTest(false);
1900                 R_Mesh_ResetTextureState();
1901                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1902                 verts[0] = verts[9] = 0;
1903                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1904                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1905                 verts[7] = verts[10] = vid_conheight.integer;
1906                 
1907 #if _MSC_VER >= 1400
1908 #define sscanf sscanf_s
1909 #endif
1910                 //                                        ^^^^^^^^^^ blue component
1911                 //                              ^^^^^^ bottom row
1912                 //          ^^^^^^^^^^^^ alpha is always on
1913                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
1914                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
1915                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
1916                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
1917
1918                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
1919                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1920                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1921
1922                 // make sure everything is cleared, including the progress indicator
1923                 if(loadingscreenheight < 8)
1924                         loadingscreenheight = 8;
1925         }
1926 }
1927
1928 static cachepic_t *loadingscreenpic;
1929 static float loadingscreenpic_vertex3f[12];
1930 static float loadingscreenpic_texcoord2f[8];
1931
1932 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
1933 {
1934         r_viewport_t viewport;
1935         float x, y;
1936         // release mouse grab while loading
1937         if (!vid.fullscreen)
1938                 VID_SetMouse(false, false, false);
1939 //      CHECKGLERROR
1940         r_refdef.draw2dstage = true;
1941         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
1942         R_SetViewport(&viewport);
1943         GL_ColorMask(1,1,1,1);
1944         // when starting up a new video mode, make sure the screen is cleared to black
1945         if (clear)
1946                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
1947         R_Textures_Frame();
1948         R_Mesh_Start();
1949         R_EntityMatrix(&identitymatrix);
1950         // draw the loading plaque
1951         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
1952         x = (vid_conwidth.integer - loadingscreenpic->width)/2;
1953         y = (vid_conheight.integer - loadingscreenpic->height)/2;
1954         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
1955         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
1956         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
1957         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + loadingscreenpic->width;
1958         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + loadingscreenpic->height;
1959         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
1960         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
1961         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
1962         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
1963 }
1964
1965 static void SCR_DrawLoadingScreen (qboolean clear)
1966 {
1967         // we only need to draw the image if it isn't already there
1968         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1969         GL_DepthRange(0, 1);
1970         GL_PolygonOffset(0, 0);
1971         GL_DepthTest(false);
1972         R_Mesh_ResetTextureState();
1973         GL_Color(1,1,1,1);
1974         if(loadingscreentexture)
1975         {
1976                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
1977                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
1978                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1979         }
1980         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
1981         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
1982         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1983         SCR_DrawLoadingStack();
1984 }
1985
1986 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
1987 {
1988         R_Mesh_Finish();
1989         // refresh
1990         VID_Finish();
1991 }
1992
1993 void SCR_UpdateLoadingScreen (qboolean clear)
1994 {
1995         keydest_t       old_key_dest;
1996         int                     old_key_consoleactive;
1997
1998         // don't do anything if not initialized yet
1999         if (vid_hidden || cls.state == ca_dedicated)
2000                 return;
2001
2002         if(!scr_loadingscreen_background.integer)
2003                 clear = true;
2004         
2005         if(loadingscreentime == realtime)
2006                 clear |= loadingscreencleared;
2007
2008         if(loadingscreentime != realtime)
2009                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2010
2011         if(clear)
2012                 SCR_ClearLoadingScreenTexture();
2013         else if(loadingscreentime != realtime)
2014                 SCR_SetLoadingScreenTexture();
2015
2016         if(loadingscreentime != realtime)
2017         {
2018                 loadingscreentime = realtime;
2019                 loadingscreenheight = 0;
2020         }
2021         loadingscreencleared = clear;
2022
2023         SCR_DrawLoadingScreen_SharedSetup(clear);
2024         if (vid.stereobuffer)
2025         {
2026                 qglDrawBuffer(GL_BACK_LEFT);
2027                 SCR_DrawLoadingScreen(clear);
2028                 qglDrawBuffer(GL_BACK_RIGHT);
2029                 SCR_DrawLoadingScreen(clear);
2030         }
2031         else
2032         {
2033                 if (qglDrawBuffer)
2034                         qglDrawBuffer(GL_BACK);
2035                 SCR_DrawLoadingScreen(clear);
2036         }
2037         SCR_DrawLoadingScreen_SharedFinish(clear);
2038
2039         // this goes into the event loop, and should prevent unresponsive cursor on vista
2040         old_key_dest = key_dest;
2041         old_key_consoleactive = key_consoleactive;
2042         key_dest = key_void;
2043         key_consoleactive = false;
2044         Key_EventQueue_Block(); Sys_SendKeyEvents();
2045         key_dest = old_key_dest;
2046         key_consoleactive = old_key_consoleactive;
2047 }
2048
2049 qboolean R_Stereo_ColorMasking(void)
2050 {
2051         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2052 }
2053
2054 qboolean R_Stereo_Active(void)
2055 {
2056         return (vid.stereobuffer || r_stereo_sidebyside.integer || R_Stereo_ColorMasking());
2057 }
2058
2059 extern cvar_t cl_minfps;
2060 extern cvar_t cl_minfps_fade;
2061 extern cvar_t cl_minfps_qualitymax;
2062 extern cvar_t cl_minfps_qualitymin;
2063 extern cvar_t cl_minfps_qualitypower;
2064 extern cvar_t cl_minfps_qualityscale;
2065 static double cl_updatescreen_rendertime = 0;
2066 static double cl_updatescreen_quality = 1;
2067 extern void Sbar_ShowFPS_Update(void);
2068 void CL_UpdateScreen(void)
2069 {
2070         double rendertime1;
2071         float conwidth, conheight;
2072         float f;
2073         r_viewport_t viewport;
2074
2075         Sbar_ShowFPS_Update();
2076
2077         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2078                 return;                         // not initialized yet
2079
2080         if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2081         {
2082                 // play a bit with the palette (experimental)
2083                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2084                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2085                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2086                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2087                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2088                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2089                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2090                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2091         }
2092
2093         if (vid_hidden)
2094         {
2095                 VID_Finish();
2096                 return;
2097         }
2098
2099         rendertime1 = Sys_DoubleTime();
2100
2101         conwidth = bound(160, vid_conwidth.value, 32768);
2102         conheight = bound(90, vid_conheight.value, 24576);
2103         if (vid_conwidth.value != conwidth)
2104                 Cvar_SetValue("vid_conwidth", conwidth);
2105         if (vid_conheight.value != conheight)
2106                 Cvar_SetValue("vid_conheight", conheight);
2107
2108         // bound viewsize
2109         if (scr_viewsize.value < 30)
2110                 Cvar_Set ("viewsize","30");
2111         if (scr_viewsize.value > 120)
2112                 Cvar_Set ("viewsize","120");
2113
2114         // bound field of view
2115         if (scr_fov.value < 1)
2116                 Cvar_Set ("fov","1");
2117         if (scr_fov.value > 170)
2118                 Cvar_Set ("fov","170");
2119
2120         // intermission is always full screen
2121         if (cl.intermission)
2122                 sb_lines = 0;
2123         else
2124         {
2125                 if (scr_viewsize.value >= 120)
2126                         sb_lines = 0;           // no status bar at all
2127                 else if (scr_viewsize.value >= 110)
2128                         sb_lines = 24;          // no inventory
2129                 else
2130                         sb_lines = 24+16+8;
2131         }
2132
2133         r_refdef.view.colormask[0] = 1;
2134         r_refdef.view.colormask[1] = 1;
2135         r_refdef.view.colormask[2] = 1;
2136
2137         SCR_SetUpToDrawConsole();
2138
2139         if (qglDrawBuffer)
2140         {
2141                 CHECKGLERROR
2142                 qglDrawBuffer(GL_BACK);CHECKGLERROR
2143                 // set dithering mode
2144                 if (gl_dither.integer)
2145                 {
2146                         qglEnable(GL_DITHER);CHECKGLERROR
2147                 }
2148                 else
2149                 {
2150                         qglDisable(GL_DITHER);CHECKGLERROR
2151                 }
2152         }
2153
2154         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2155         R_SetViewport(&viewport);
2156         GL_ScissorTest(false);
2157         GL_ColorMask(1,1,1,1);
2158         GL_DepthMask(true);
2159
2160         R_ClearScreen(false);
2161         r_refdef.view.clear = false;
2162         r_refdef.view.isoverlay = false;
2163         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2164         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2165
2166         if (qglPolygonStipple)
2167         {
2168                 if(scr_stipple.integer)
2169                 {
2170                         GLubyte stipple[128];
2171                         int i, s, width, parts;
2172                         static int frame = 0;
2173                         ++frame;
2174         
2175                         s = scr_stipple.integer;
2176                         parts = (s & 007);
2177                         width = (s & 070) >> 3;
2178         
2179                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2180                         for(i = 0; i < 128; ++i)
2181                         {
2182                                 int line = i/4;
2183                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2184                         }
2185                         qglPolygonStipple(stipple);CHECKGLERROR
2186                 }
2187                 else
2188                 {
2189                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2190                 }
2191         }
2192
2193         if (R_Stereo_Active())
2194         {
2195                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2196                 matrix4x4_t offsetmatrix;
2197                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2198                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2199
2200                 if (r_stereo_sidebyside.integer)
2201                         r_stereo_side = 0;
2202
2203                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2204                 {
2205                         r_refdef.view.colormask[0] = 1;
2206                         r_refdef.view.colormask[1] = 0;
2207                         r_refdef.view.colormask[2] = 0;
2208                 }
2209
2210                 if (vid.stereobuffer)
2211                         qglDrawBuffer(GL_BACK_RIGHT);
2212
2213                 SCR_DrawScreen();
2214
2215                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2216                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2217
2218                 if (r_stereo_sidebyside.integer)
2219                         r_stereo_side = 1;
2220
2221                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2222                 {
2223                         r_refdef.view.colormask[0] = 0;
2224                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2225                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2226                 }
2227
2228                 if (vid.stereobuffer)
2229                         qglDrawBuffer(GL_BACK_LEFT);
2230
2231                 SCR_DrawScreen();
2232
2233                 r_refdef.view.matrix = originalmatrix;
2234         }
2235         else
2236                 SCR_DrawScreen();
2237
2238         SCR_CaptureVideo();
2239
2240         if (qglFlush)
2241                 qglFlush(); // FIXME: should we really be using qglFlush here?
2242
2243         // quality adjustment according to render time
2244         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2245         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2246                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2247         else
2248                 cl_updatescreen_quality = 1;
2249
2250         if (!vid_activewindow)
2251                 VID_SetMouse(false, false, false);
2252         else if (key_consoleactive)
2253                 VID_SetMouse(vid.fullscreen, false, false);
2254         else if (key_dest == key_menu_grabbed)
2255                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2256         else if (key_dest == key_menu)
2257                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2258         else
2259                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && cl_prydoncursor.integer <= 0 && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2260
2261         VID_Finish();
2262 }
2263
2264 void CL_Screen_NewMap(void)
2265 {
2266 }