new r_stereo modes (horiz and vert split)
[xonotic/darkplaces.git] / cl_screen.c
1
2 #include "quakedef.h"
3 #include "cl_video.h"
4 #include "image.h"
5 #include "jpeg.h"
6 #include "image_png.h"
7 #include "cl_collision.h"
8 #include "libcurl.h"
9 #include "csprogs.h"
10 #include "cap_avi.h"
11 #include "cap_ogg.h"
12
13 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
14 #include "snd_main.h"
15
16 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
17 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
18 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background gfx/conback"};
19 cvar_t scr_conalphafactor = {CVAR_SAVE, "scr_conalphafactor", "1", "opacity of console background gfx/conback relative to scr_conalpha; when 0, gfx/conback is not drawn"};
20 cvar_t scr_conalpha2factor = {CVAR_SAVE, "scr_conalpha2factor", "0", "opacity of console background gfx/conback2 relative to scr_conalpha; when 0, gfx/conback2 is not drawn"};
21 cvar_t scr_conalpha3factor = {CVAR_SAVE, "scr_conalpha3factor", "0", "opacity of console background gfx/conback3 relative to scr_conalpha; when 0, gfx/conback3 is not drawn"};
22 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
23 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
24 cvar_t scr_conscroll_x = {CVAR_SAVE, "scr_conscroll_x", "0", "scroll speed of gfx/conback in x direction"};
25 cvar_t scr_conscroll_y = {CVAR_SAVE, "scr_conscroll_y", "0", "scroll speed of gfx/conback in y direction"};
26 cvar_t scr_conscroll2_x = {CVAR_SAVE, "scr_conscroll2_x", "0", "scroll speed of gfx/conback2 in x direction"};
27 cvar_t scr_conscroll2_y = {CVAR_SAVE, "scr_conscroll2_y", "0", "scroll speed of gfx/conback2 in y direction"};
28 cvar_t scr_conscroll3_x = {CVAR_SAVE, "scr_conscroll3_x", "0", "scroll speed of gfx/conback3 in x direction"};
29 cvar_t scr_conscroll3_y = {CVAR_SAVE, "scr_conscroll3_y", "0", "scroll speed of gfx/conback3 in y direction"};
30 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
31 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
32 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
33 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
34 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
35 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
36 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
37 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
38 cvar_t scr_loadingscreen_count = {0, "scr_loadingscreen_count","1", "number of loading screen files to use randomly (named loading.tga, loading2.tga, loading3.tga, ...)"};
39 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
40 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "a height loadingscreen progress bar"};
41 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
42 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
43 cvar_t vid_pixelheight = {CVAR_SAVE, "vid_pixelheight", "1", "adjusts vertical field of vision to account for non-square pixels (1280x1024 on a CRT monitor for example)"};
44 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
45 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
46 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
47 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
48 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
49 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
50 // scr_screenshot_name is defined in fs.c
51 cvar_t cl_capturevideo = {0, "cl_capturevideo", "0", "enables saving of video to a .avi file using uncompressed I420 colorspace and PCM audio, note that scr_screenshot_gammaboost affects the brightness of the output)"};
52 cvar_t cl_capturevideo_printfps = {CVAR_SAVE, "cl_capturevideo_printfps", "1", "prints the frames per second captured in capturevideo (is only written to the log file, not to the console, as that would be visible on the video)"};
53 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
54 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
55 cvar_t cl_capturevideo_realtime = {0, "cl_capturevideo_realtime", "0", "causes video saving to operate in realtime (mostly useful while playing, not while capturing demos), this can produce a much lower quality video due to poor sound/video sync and will abort saving if your machine stalls for over a minute"};
56 cvar_t cl_capturevideo_fps = {CVAR_SAVE, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
57 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
58 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
59 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
60 cvar_t cl_capturevideo_framestep = {CVAR_SAVE, "cl_capturevideo_framestep", "1", "when set to n >= 1, render n frames to capture one (useful for motion blur like effects)"};
61 cvar_t r_letterbox = {0, "r_letterbox", "0", "reduces vertical height of view to simulate a letterboxed movie effect (can be used by mods for cutscenes)"};
62 cvar_t r_stereo_separation = {0, "r_stereo_separation", "4", "separation distance of eyes in the world (negative values are only useful for cross-eyed viewing)"};
63 cvar_t r_stereo_sidebyside = {0, "r_stereo_sidebyside", "0", "side by side views for those who can't afford glasses but can afford eye strain (note: use a negative r_stereo_separation if you want cross-eyed viewing)"};
64 cvar_t r_stereo_horizontal = {0, "r_stereo_horizontal", "0", "aspect skewed side by side view for special decoder/display hardware"};
65 cvar_t r_stereo_vertical = {0, "r_stereo_vertical", "0", "aspect skewed top and bottom view for special decoder/display hardware"};
66 cvar_t r_stereo_redblue = {0, "r_stereo_redblue", "0", "red/blue anaglyph stereo glasses (note: most of these glasses are actually red/cyan, try that one too)"};
67 cvar_t r_stereo_redcyan = {0, "r_stereo_redcyan", "0", "red/cyan anaglyph stereo glasses, the kind given away at drive-in movies like Creature From The Black Lagoon In 3D"};
68 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
69 cvar_t r_stereo_angle = {0, "r_stereo_angle", "0", "separation angle of eyes (makes the views look different directions, as an example, 90 gives a 90 degree separation where the views are 45 degrees left and 45 degrees right)"};
70 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
71 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
72 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
73 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
74 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
75 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
76 cvar_t scr_screenshot_name_in_mapdir = {CVAR_SAVE, "scr_screenshot_name_in_mapdir", "0", "if set to 1, screenshots are placed in a subdirectory named like the map they are from"};
77 cvar_t shownetgraph = {CVAR_SAVE, "shownetgraph", "0", "shows a graph of packet sizes and other information, 0 = off, 1 = show client netgraph, 2 = show client and server netgraphs (when hosting a server)"};
78 cvar_t cl_demo_mousegrab = {0, "cl_demo_mousegrab", "0", "Allows reading the mouse input while playing demos. Useful for camera mods developed in csqc. (0: never, 1: always)"};
79 cvar_t timedemo_screenshotframelist = {0, "timedemo_screenshotframelist", "", "when performing a timedemo, take screenshots of each frame in this space-separated list - example: 1 201 401"};
80
81 extern cvar_t v_glslgamma;
82 extern cvar_t sbar_info_pos;
83 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
84
85 int jpeg_supported = false;
86
87 qboolean        scr_initialized;                // ready to draw
88
89 float           scr_con_current;
90 int                     scr_con_margin_bottom;
91
92 extern int      con_vislines;
93
94 static void SCR_ScreenShot_f (void);
95 static void R_Envmap_f (void);
96
97 // backend
98 void R_ClearScreen(qboolean fogcolor);
99
100 /*
101 ===============================================================================
102
103 CENTER PRINTING
104
105 ===============================================================================
106 */
107
108 char            scr_centerstring[MAX_INPUTLINE];
109 float           scr_centertime_start;   // for slow victory printing
110 float           scr_centertime_off;
111 int                     scr_center_lines;
112 int                     scr_erase_lines;
113 int                     scr_erase_center;
114 char        scr_infobarstring[MAX_INPUTLINE];
115 float       scr_infobartime_off;
116
117 /*
118 ==============
119 SCR_CenterPrint
120
121 Called for important messages that should stay in the center of the screen
122 for a few moments
123 ==============
124 */
125 void SCR_CenterPrint(const char *str)
126 {
127         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
128         scr_centertime_off = scr_centertime.value;
129         scr_centertime_start = cl.time;
130
131 // count the number of lines for centering
132         scr_center_lines = 1;
133         while (*str)
134         {
135                 if (*str == '\n')
136                         scr_center_lines++;
137                 str++;
138         }
139 }
140
141
142 void SCR_DrawCenterString (void)
143 {
144         char    *start;
145         int             x, y;
146         int             remaining;
147         int             color;
148
149         if(cl.intermission == 2) // in finale,
150                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
151                         return;
152
153         if(scr_centertime.value <= 0 && !cl.intermission)
154                 return;
155
156 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
157         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
158                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
159         else
160                 remaining = 9999;
161
162         scr_erase_center = 0;
163         start = scr_centerstring;
164
165         if (remaining < 1)
166                 return;
167
168         if (scr_center_lines <= 4)
169                 y = (int)(vid_conheight.integer*0.35);
170         else
171                 y = 48;
172
173         color = -1;
174         do
175         {
176                 // scan the number of characters on the line, not counting color codes
177                 char *newline = strchr(start, '\n');
178                 int l = newline ? (newline - start) : (int)strlen(start);
179                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
180
181                 x = (int) (vid_conwidth.integer - width)/2;
182                 if (l > 0)
183                 {
184                         if (remaining < l)
185                                 l = remaining;
186                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
187                         remaining -= l;
188                         if (remaining <= 0)
189                                 return;
190                 }
191                 y += 8;
192
193                 if (!newline)
194                         break;
195                 start = newline + 1; // skip the \n
196         } while (1);
197 }
198
199 void SCR_CheckDrawCenterString (void)
200 {
201         if (scr_center_lines > scr_erase_lines)
202                 scr_erase_lines = scr_center_lines;
203
204         if (cl.time > cl.oldtime)
205                 scr_centertime_off -= cl.time - cl.oldtime;
206
207         // don't draw if this is a normal stats-screen intermission,
208         // only if it is not an intermission, or a finale intermission
209         if (cl.intermission == 1)
210                 return;
211         if (scr_centertime_off <= 0 && !cl.intermission)
212                 return;
213         if (key_dest != key_game)
214                 return;
215
216         SCR_DrawCenterString ();
217 }
218
219 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
220 {
221         netgraphitem_t *graph;
222         int j, x, y;
223         int totalbytes = 0;
224         char bytesstring[128];
225         float g[NETGRAPH_PACKETS][6];
226         float *a;
227         float *b;
228         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
229         // draw the bar graph itself
230         // advance the packet counter because it is the latest packet column being
231         // built up and should come last
232         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
233         memset(g, 0, sizeof(g));
234         for (j = 0;j < NETGRAPH_PACKETS;j++)
235         {
236                 graph = netgraph + j;
237                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
238                 g[j][1] = 1.0f;
239                 g[j][2] = 1.0f;
240                 g[j][3] = 1.0f;
241                 g[j][4] = 1.0f;
242                 g[j][5] = 1.0f;
243                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
244                         g[j][1] = 0.00f;
245                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
246                         g[j][2] = 0.96f;
247                 else
248                 {
249                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
250                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
251                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
252                         // count bytes in the last second
253                         if (realtime - graph->time < 1.0f)
254                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
255                 }
256                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
257                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
258                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
259                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
260                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
261         }
262         // render the lines for the graph
263         for (j = 0;j < NETGRAPH_PACKETS;j++)
264         {
265                 a = g[j];
266                 b = g[(j+1)%NETGRAPH_PACKETS];
267                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
268                         continue;
269                 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);
270                 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);
271                 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);
272                 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);
273                 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);
274         }
275         x = graphx;
276         y = graphy + graphheight;
277         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
278         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
279         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
280 }
281
282 /*
283 ==============
284 SCR_DrawNetGraph
285 ==============
286 */
287 void SCR_DrawNetGraph (void)
288 {
289         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
290         float graphscale;
291         netconn_t *c;
292
293         if (cls.state != ca_connected)
294                 return;
295         if (!cls.netcon)
296                 return;
297         if (!shownetgraph.integer)
298                 return;
299
300         separator1 = 2;
301         separator2 = 4;
302         textsize = 8;
303         graphwidth = 120;
304         graphheight = 70;
305         graphscale = 1.0f / 1500.0f;
306
307         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
308         netgraphsperrow = max(netgraphsperrow, 1);
309
310         index = 0;
311         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
312         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
313         c = cls.netcon;
314         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
315         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
316         index++;
317
318         if (sv.active && shownetgraph.integer >= 2)
319         {
320                 for (i = 0;i < svs.maxclients;i++)
321                 {
322                         c = svs.clients[i].netconnection;
323                         if (!c)
324                                 continue;
325                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
326                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
327                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
328                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
329                         index++;
330                 }
331         }
332 }
333
334 /*
335 ==============
336 SCR_DrawTurtle
337 ==============
338 */
339 void SCR_DrawTurtle (void)
340 {
341         static int      count;
342
343         if (cls.state != ca_connected)
344                 return;
345
346         if (!scr_showturtle.integer)
347                 return;
348
349         if (cl.realframetime < 0.1)
350         {
351                 count = 0;
352                 return;
353         }
354
355         count++;
356         if (count < 3)
357                 return;
358
359         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
360 }
361
362 /*
363 ==============
364 SCR_DrawNet
365 ==============
366 */
367 void SCR_DrawNet (void)
368 {
369         if (cls.state != ca_connected)
370                 return;
371         if (realtime - cl.last_received_message < 0.3)
372                 return;
373         if (cls.demoplayback)
374                 return;
375
376         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
377 }
378
379 /*
380 ==============
381 DrawPause
382 ==============
383 */
384 void SCR_DrawPause (void)
385 {
386         cachepic_t      *pic;
387
388         if (cls.state != ca_connected)
389                 return;
390
391         if (!scr_showpause.integer)             // turn off for screenshots
392                 return;
393
394         if (!cl.paused)
395                 return;
396
397         pic = Draw_CachePic ("gfx/pause");
398         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
399 }
400
401 /*
402 ==============
403 SCR_DrawBrand
404 ==============
405 */
406 void SCR_DrawBrand (void)
407 {
408         cachepic_t      *pic;
409         float           x, y;
410
411         if (!scr_showbrand.value)
412                 return;
413
414         pic = Draw_CachePic ("gfx/brand");
415
416         switch ((int)scr_showbrand.value)
417         {
418         case 1: // bottom left
419                 x = 0;
420                 y = vid_conheight.integer - pic->height;
421                 break;
422         case 2: // bottom centre
423                 x = (vid_conwidth.integer - pic->width) / 2;
424                 y = vid_conheight.integer - pic->height;
425                 break;
426         case 3: // bottom right
427                 x = vid_conwidth.integer - pic->width;
428                 y = vid_conheight.integer - pic->height;
429                 break;
430         case 4: // centre right
431                 x = vid_conwidth.integer - pic->width;
432                 y = (vid_conheight.integer - pic->height) / 2;
433                 break;
434         case 5: // top right
435                 x = vid_conwidth.integer - pic->width;
436                 y = 0;
437                 break;
438         case 6: // top centre
439                 x = (vid_conwidth.integer - pic->width) / 2;
440                 y = 0;
441                 break;
442         case 7: // top left
443                 x = 0;
444                 y = 0;
445                 break;
446         case 8: // centre left
447                 x = 0;
448                 y = (vid_conheight.integer - pic->height) / 2;
449                 break;
450         default:
451                 return;
452         }
453
454         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
455 }
456
457 /*
458 ==============
459 SCR_DrawQWDownload
460 ==============
461 */
462 static int SCR_DrawQWDownload(int offset)
463 {
464         // sync with SCR_InfobarHeight
465         int len;
466         float x, y;
467         float size = 8;
468         char temp[256];
469
470         if (!cls.qw_downloadname[0])
471         {
472                 cls.qw_downloadspeedrate = 0;
473                 cls.qw_downloadspeedtime = realtime;
474                 cls.qw_downloadspeedcount = 0;
475                 return 0;
476         }
477         if (realtime >= cls.qw_downloadspeedtime + 1)
478         {
479                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
480                 cls.qw_downloadspeedtime = realtime;
481                 cls.qw_downloadspeedcount = 0;
482         }
483         if (cls.protocol == PROTOCOL_QUAKEWORLD)
484                 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);
485         else
486                 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);
487         len = (int)strlen(temp);
488         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
489         y = vid_conheight.integer - size - offset;
490         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
491         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
492         return 8;
493 }
494 /*
495 ==============
496 SCR_DrawInfobarString
497 ==============
498 */
499 static int SCR_DrawInfobarString(int offset)
500 {
501         int len;
502         float x, y;
503         float size = 8;
504
505         len = (int)strlen(scr_infobarstring);
506         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
507         y = vid_conheight.integer - size - offset;
508         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
509         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
510         return 8;
511 }
512
513 /*
514 ==============
515 SCR_DrawCurlDownload
516 ==============
517 */
518 static int SCR_DrawCurlDownload(int offset)
519 {
520         // sync with SCR_InfobarHeight
521         int len;
522         int nDownloads;
523         int i;
524         float x, y;
525         float size = 8;
526         Curl_downloadinfo_t *downinfo;
527         char temp[256];
528         const char *addinfo;
529
530         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
531         if(!downinfo)
532                 return 0;
533
534         y = vid_conheight.integer - size * nDownloads - offset;
535
536         if(addinfo)
537         {
538                 len = (int)strlen(addinfo);
539                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
540                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
541                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
542         }
543
544         for(i = 0; i != nDownloads; ++i)
545         {
546                 if(downinfo[i].queued)
547                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
548                 else if(downinfo[i].progress <= 0)
549                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
550                 else
551                         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);
552                 len = (int)strlen(temp);
553                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
554                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
555                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
556         }
557
558         Z_Free(downinfo);
559
560         return 8 * (nDownloads + (addinfo ? 1 : 0));
561 }
562
563 /*
564 ==============
565 SCR_DrawInfobar
566 ==============
567 */
568 static void SCR_DrawInfobar(void)
569 {
570         int offset = 0;
571         if(scr_infobartime_off > 0)
572                 offset += SCR_DrawInfobarString(offset);
573         offset += SCR_DrawQWDownload(offset);
574         offset += SCR_DrawCurlDownload(offset);
575         if(offset != scr_con_margin_bottom)
576                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
577 }
578
579 static int SCR_InfobarHeight(void)
580 {
581         int offset = 0;
582         Curl_downloadinfo_t *downinfo;
583         const char *addinfo;
584         int nDownloads;
585
586         if (cl.time > cl.oldtime)
587                 scr_infobartime_off -= cl.time - cl.oldtime;
588         if(scr_infobartime_off > 0)
589                 offset += 8;
590
591         if(cls.qw_downloadname[0])
592                 offset += 8;
593
594         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
595         if(downinfo)
596         {
597                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
598                 Z_Free(downinfo);
599         }
600
601         return offset;
602 }
603
604 /*
605 ==============
606 SCR_InfoBar_f
607 ==============
608 */
609 void SCR_InfoBar_f(void)
610 {
611         if(Cmd_Argc() == 3)
612         {
613                 scr_infobartime_off = atof(Cmd_Argv(1));
614                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
615         }
616         else
617         {
618                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
619         }
620 }
621 //=============================================================================
622
623 /*
624 ==================
625 SCR_SetUpToDrawConsole
626 ==================
627 */
628 void SCR_SetUpToDrawConsole (void)
629 {
630         // lines of console to display
631         float conlines;
632         static int framecounter = 0;
633
634         Con_CheckResize ();
635
636         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
637         {
638                 if (framecounter >= 2)
639                         MR_ToggleMenu(1);
640                 else
641                         framecounter++;
642         }
643         else
644                 framecounter = 0;
645
646         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
647                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
648         else
649                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
650
651 // decide on the height of the console
652         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
653                 conlines = vid_conheight.integer/2;     // half screen
654         else
655                 conlines = 0;                           // none visible
656
657         scr_con_current = conlines;
658 }
659
660 /*
661 ==================
662 SCR_DrawConsole
663 ==================
664 */
665 void SCR_DrawConsole (void)
666 {
667         scr_con_margin_bottom = SCR_InfobarHeight();
668         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
669         {
670                 // full screen
671                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
672         }
673         else if (scr_con_current)
674                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
675         else
676                 con_vislines = 0;
677 }
678
679 /*
680 ===============
681 SCR_BeginLoadingPlaque
682
683 ================
684 */
685 void SCR_BeginLoadingPlaque (void)
686 {
687         // save console log up to this point to log_file if it was set by configs
688         Log_Start();
689
690         Host_StartVideo();
691         SCR_UpdateLoadingScreen(false);
692 }
693
694 //=============================================================================
695
696 char r_speeds_timestring[4096];
697 int speedstringcount, r_timereport_active;
698 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
699 int r_speeds_longestitem = 0;
700
701 void R_TimeReport(const char *desc)
702 {
703         char tempbuf[256];
704         int length;
705         int t;
706
707         if (r_speeds.integer < 2 || !r_timereport_active)
708                 return;
709
710         CHECKGLERROR
711         if (r_speeds.integer == 2 && qglFinish)
712                 qglFinish();
713         CHECKGLERROR
714         r_timereport_temp = r_timereport_current;
715         r_timereport_current = Sys_DoubleTime();
716         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
717
718         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
719         length = min(length, (int)sizeof(tempbuf) - 1);
720         if (r_speeds_longestitem < length)
721                 r_speeds_longestitem = length;
722         for (;length < r_speeds_longestitem;length++)
723                 tempbuf[length] = ' ';
724         tempbuf[length] = 0;
725
726         if (speedstringcount + length > (vid_conwidth.integer / 8))
727         {
728                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
729                 speedstringcount = 0;
730         }
731         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
732         speedstringcount += length;
733 }
734
735 void R_TimeReport_BeginFrame(void)
736 {
737         speedstringcount = 0;
738         r_speeds_timestring[0] = 0;
739         r_timereport_active = false;
740         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
741
742         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
743         {
744                 r_timereport_active = true;
745                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
746         }
747 }
748
749 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
750 {
751         int i, triangles = 0;
752         for (i = 0;i < leaf->numleafsurfaces;i++)
753                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
754         return triangles;
755 }
756
757 void R_TimeReport_EndFrame(void)
758 {
759         int i, j, lines, y;
760         cl_locnode_t *loc;
761         char string[1024+4096];
762         mleaf_t *viewleaf;
763
764         string[0] = 0;
765         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
766         {
767                 // put the location name in the r_speeds display as it greatly helps
768                 // when creating loc files
769                 loc = CL_Locs_FindNearest(cl.movement_origin);
770                 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;
771                 dpsnprintf(string, sizeof(string),
772 "%s%s\n"
773 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
774 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
775 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
776 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
777 "%7i lightmap updates (%7i pixels)\n"
778 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
779 "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n"
780 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
781 "%s"
782 , loc ? "Location: " : "", loc ? loc->name : ""
783 , 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]
784 , 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
785 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
786 , 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)
787 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
788 , 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
789 , r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
790 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
791 , r_speeds_timestring);
792
793                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
794
795                 speedstringcount = 0;
796                 r_speeds_timestring[0] = 0;
797                 r_timereport_active = false;
798
799                 if (r_speeds.integer >= 2)
800                 {
801                         r_timereport_active = true;
802                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
803                 }
804         }
805
806         if (string[0])
807         {
808                 if (string[strlen(string)-1] == '\n')
809                         string[strlen(string)-1] = 0;
810                 lines = 1;
811                 for (i = 0;string[i];i++)
812                         if (string[i] == '\n')
813                                 lines++;
814                 y = vid_conheight.integer - sb_lines - lines * 8;
815                 i = j = 0;
816                 r_draw2d_force = true;
817                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
818                 while (string[i])
819                 {
820                         j = i;
821                         while (string[i] && string[i] != '\n')
822                                 i++;
823                         if (i - j > 0)
824                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
825                         if (string[i] == '\n')
826                                 i++;
827                         y += 8;
828                 }
829                 r_draw2d_force = false;
830         }
831 }
832
833 /*
834 =================
835 SCR_SizeUp_f
836
837 Keybinding command
838 =================
839 */
840 void SCR_SizeUp_f (void)
841 {
842         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
843 }
844
845
846 /*
847 =================
848 SCR_SizeDown_f
849
850 Keybinding command
851 =================
852 */
853 void SCR_SizeDown_f (void)
854 {
855         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
856 }
857
858 void SCR_CaptureVideo_EndVideo(void);
859 void CL_Screen_Shutdown(void)
860 {
861         SCR_CaptureVideo_EndVideo();
862 }
863
864 void CL_Screen_Init(void)
865 {
866         Cvar_RegisterVariable (&scr_fov);
867         Cvar_RegisterVariable (&scr_viewsize);
868         Cvar_RegisterVariable (&scr_conalpha);
869         Cvar_RegisterVariable (&scr_conalphafactor);
870         Cvar_RegisterVariable (&scr_conalpha2factor);
871         Cvar_RegisterVariable (&scr_conalpha3factor);
872         Cvar_RegisterVariable (&scr_conscroll_x);
873         Cvar_RegisterVariable (&scr_conscroll_y);
874         Cvar_RegisterVariable (&scr_conscroll2_x);
875         Cvar_RegisterVariable (&scr_conscroll2_y);
876         Cvar_RegisterVariable (&scr_conscroll3_x);
877         Cvar_RegisterVariable (&scr_conscroll3_y);
878         Cvar_RegisterVariable (&scr_conbrightness);
879         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
880         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
881         Cvar_RegisterVariable (&scr_loadingscreen_background);
882         Cvar_RegisterVariable (&scr_loadingscreen_count);
883         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
884         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
885         Cvar_RegisterVariable (&scr_showram);
886         Cvar_RegisterVariable (&scr_showturtle);
887         Cvar_RegisterVariable (&scr_showpause);
888         Cvar_RegisterVariable (&scr_showbrand);
889         Cvar_RegisterVariable (&scr_centertime);
890         Cvar_RegisterVariable (&scr_printspeed);
891         Cvar_RegisterVariable (&vid_conwidth);
892         Cvar_RegisterVariable (&vid_conheight);
893         Cvar_RegisterVariable (&vid_pixelheight);
894         Cvar_RegisterVariable (&scr_screenshot_jpeg);
895         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
896         Cvar_RegisterVariable (&scr_screenshot_png);
897         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
898         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
899         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
900         Cvar_RegisterVariable (&scr_screenshot_alpha);
901         Cvar_RegisterVariable (&cl_capturevideo);
902         Cvar_RegisterVariable (&cl_capturevideo_printfps);
903         Cvar_RegisterVariable (&cl_capturevideo_width);
904         Cvar_RegisterVariable (&cl_capturevideo_height);
905         Cvar_RegisterVariable (&cl_capturevideo_realtime);
906         Cvar_RegisterVariable (&cl_capturevideo_fps);
907         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
908         Cvar_RegisterVariable (&cl_capturevideo_number);
909         Cvar_RegisterVariable (&cl_capturevideo_ogg);
910         Cvar_RegisterVariable (&cl_capturevideo_framestep);
911         Cvar_RegisterVariable (&r_letterbox);
912         Cvar_RegisterVariable(&r_stereo_separation);
913         Cvar_RegisterVariable(&r_stereo_sidebyside);
914         Cvar_RegisterVariable(&r_stereo_horizontal);
915         Cvar_RegisterVariable(&r_stereo_vertical);
916         Cvar_RegisterVariable(&r_stereo_redblue);
917         Cvar_RegisterVariable(&r_stereo_redcyan);
918         Cvar_RegisterVariable(&r_stereo_redgreen);
919         Cvar_RegisterVariable(&r_stereo_angle);
920         Cvar_RegisterVariable(&scr_zoomwindow);
921         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
922         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
923         Cvar_RegisterVariable(&scr_zoomwindow_fov);
924         Cvar_RegisterVariable(&scr_stipple);
925         Cvar_RegisterVariable(&scr_refresh);
926         Cvar_RegisterVariable(&shownetgraph);
927         Cvar_RegisterVariable(&cl_demo_mousegrab);
928         Cvar_RegisterVariable(&timedemo_screenshotframelist);
929
930         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
931         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
932         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
933         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
934         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
935
936         SCR_CaptureVideo_Ogg_Init();
937
938         scr_initialized = true;
939 }
940
941 /*
942 ==================
943 SCR_ScreenShot_f
944 ==================
945 */
946 void SCR_ScreenShot_f (void)
947 {
948         static int shotnumber;
949         static char old_prefix_name[MAX_QPATH];
950         char prefix_name[MAX_QPATH];
951         char filename[MAX_QPATH];
952         unsigned char *buffer1;
953         unsigned char *buffer2;
954         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
955         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
956
957         if (Cmd_Argc() == 2)
958         {
959                 const char *ext;
960                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
961                 ext = FS_FileExtension(filename);
962                 if (!strcasecmp(ext, "jpg"))
963                 {
964                         jpeg = true;
965                         png = false;
966                 }
967                 else if (!strcasecmp(ext, "tga"))
968                 {
969                         jpeg = false;
970                         png = false;
971                 }
972                 else if (!strcasecmp(ext, "png"))
973                 {
974                         jpeg = false;
975                         png = true;
976                 }
977                 else
978                 {
979                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
980                         return;
981                 }
982         }
983         else
984         {
985                 // TODO maybe make capturevideo and screenshot use similar name patterns?
986                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
987                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
988                 else
989                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
990
991                 if (strcmp(old_prefix_name, prefix_name))
992                 {
993                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
994                         shotnumber = 0;
995                 }
996
997                 // find a file name to save it to
998                 for (;shotnumber < 1000000;shotnumber++)
999                         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)))
1000                                 break;
1001                 if (shotnumber >= 1000000)
1002                 {
1003                         Con_Print("Couldn't create the image file\n");
1004                         return;
1005                 }
1006
1007                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
1008         }
1009
1010         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1011         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
1012
1013         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer != 0))
1014                 Con_Printf("Wrote %s\n", filename);
1015         else
1016         {
1017                 Con_Printf("Unable to write %s\n", filename);
1018                 if(jpeg || png)
1019                 {
1020                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer != 0))
1021                         {
1022                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1023                                 Con_Printf("Wrote %s\n", filename);
1024                         }
1025                 }
1026         }
1027
1028         Mem_Free (buffer1);
1029         Mem_Free (buffer2);
1030
1031         shotnumber++;
1032 }
1033
1034 void SCR_CaptureVideo_BeginVideo(void)
1035 {
1036         double r, g, b;
1037         unsigned int i;
1038         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1039         if (cls.capturevideo.active)
1040                 return;
1041         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1042         // soundrate is figured out on the first SoundFrame
1043
1044         if(width == 0 && height != 0)
1045                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1046         if(width != 0 && height == 0)
1047                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1048
1049         if(width < 2 || width > vid.width) // can't scale up
1050                 width = vid.width;
1051         if(height < 2 || height > vid.height) // can't scale up
1052                 height = vid.height;
1053
1054         // ensure it's all even; if not, scale down a little
1055         if(width % 1)
1056                 --width;
1057         if(height % 1)
1058                 --height;
1059
1060         cls.capturevideo.width = width;
1061         cls.capturevideo.height = height;
1062         cls.capturevideo.active = true;
1063         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1064         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1065         cls.capturevideo.soundrate = S_GetSoundRate();
1066         cls.capturevideo.soundchannels = S_GetSoundChannels();
1067         cls.capturevideo.startrealtime = realtime;
1068         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1069         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1070         cls.capturevideo.soundsampleframe = 0;
1071         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1072         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1073         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1074         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1075         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1076
1077         /*
1078         for (i = 0;i < 256;i++)
1079         {
1080                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1081                 cls.capturevideo.rgbgammatable[0][i] = j;
1082                 cls.capturevideo.rgbgammatable[1][i] = j;
1083                 cls.capturevideo.rgbgammatable[2][i] = j;
1084         }
1085         */
1086 /*
1087 R = Y + 1.4075 * (Cr - 128);
1088 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1089 B = Y + 1.7790 * (Cb - 128);
1090 Y = R *  .299 + G *  .587 + B *  .114;
1091 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1092 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1093 */
1094
1095         if(WANT_SCREENSHOT_HWGAMMA)
1096         {
1097                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1098         }
1099         else
1100         {
1101                 // identity gamma table
1102                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1103                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1104                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1105         }
1106         if(scr_screenshot_gammaboost.value != 1)
1107         {
1108                 double igamma = 1 / scr_screenshot_gammaboost.value;
1109                 for (i = 0;i < 256 * 3;i++)
1110                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1111         }
1112
1113         for (i = 0;i < 256;i++)
1114         {
1115                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1116                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1117                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1118                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1119                 // Y weights from RGB
1120                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1121                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1122                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1123                 // Cb weights from RGB
1124                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1125                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1126                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1127                 // Cr weights from RGB
1128                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1129                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1130                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1131                 // range reduction of YCbCr to valid signal range
1132                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1133                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1134                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1135         }
1136
1137         if (cl_capturevideo_ogg.integer)
1138         {
1139                 if(SCR_CaptureVideo_Ogg_Available())
1140                 {
1141                         SCR_CaptureVideo_Ogg_BeginVideo();
1142                         return;
1143                 }
1144                 else
1145                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1146         }
1147
1148         SCR_CaptureVideo_Avi_BeginVideo();
1149 }
1150
1151 void SCR_CaptureVideo_EndVideo(void)
1152 {
1153         if (!cls.capturevideo.active)
1154                 return;
1155         cls.capturevideo.active = false;
1156
1157         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);
1158
1159         if (cls.capturevideo.videofile)
1160         {
1161                 cls.capturevideo.endvideo();
1162         }
1163
1164         if (cls.capturevideo.screenbuffer)
1165         {
1166                 Mem_Free (cls.capturevideo.screenbuffer);
1167                 cls.capturevideo.screenbuffer = NULL;
1168         }
1169
1170         if (cls.capturevideo.outbuffer)
1171         {
1172                 Mem_Free (cls.capturevideo.outbuffer);
1173                 cls.capturevideo.outbuffer = NULL;
1174         }
1175
1176         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1177 }
1178
1179 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1180 {
1181         // TODO optimize this function
1182
1183         int x, y;
1184         float area;
1185
1186         // memcpy is faster than me
1187         if(inw == outw && inh == outh)
1188         {
1189                 memcpy(out, in, 4 * inw * inh);
1190                 return;
1191         }
1192
1193         // otherwise: a box filter
1194         area = (float)outw * (float)outh / (float)inw / (float)inh;
1195         for(y = 0; y < outh; ++y)
1196         {
1197                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1198                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1199                 for(x = 0; x < outw; ++x)
1200                 {
1201                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1202                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1203                         float r = 0, g = 0, b = 0, alpha = 0;
1204                         int xx, yy;
1205
1206                         for(yy = iny0_i; yy < iny1_i; ++yy)
1207                         {
1208                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1209                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1210                                 {
1211                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1212                                         r += a * in[4*(xx + inw * yy)+0];
1213                                         g += a * in[4*(xx + inw * yy)+1];
1214                                         b += a * in[4*(xx + inw * yy)+2];
1215                                         alpha += a * in[4*(xx + inw * yy)+3];
1216                                 }
1217                         }
1218
1219                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1220                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1221                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1222                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1223                 }
1224         }
1225 }
1226
1227 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1228 {
1229         int x = 0, y = 0;
1230         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1231
1232         if(newframestepframenum == cls.capturevideo.framestepframe)
1233                 return;
1234
1235         CHECKGLERROR
1236         // speed is critical here, so do saving as directly as possible
1237
1238         GL_ReadPixelsBGRA(x, y, vid.width, vid.height, cls.capturevideo.screenbuffer);
1239
1240         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1241
1242         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1243         cls.capturevideo.framestepframe = newframestepframenum;
1244
1245         if(cl_capturevideo_printfps.integer)
1246         {
1247                 char buf[80];
1248                 double t = Sys_DoubleTime();
1249                 if(t > cls.capturevideo.lastfpstime + 1)
1250                 {
1251                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1252                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1253                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1254                         Sys_PrintToTerminal(buf);
1255                         cls.capturevideo.lastfpstime = t;
1256                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1257                 }
1258         }
1259 }
1260
1261 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1262 {
1263         cls.capturevideo.soundsampleframe += length;
1264         cls.capturevideo.soundframe(paintbuffer, length);
1265 }
1266
1267 void SCR_CaptureVideo(void)
1268 {
1269         int newframenum;
1270         if (cl_capturevideo.integer)
1271         {
1272                 if (!cls.capturevideo.active)
1273                         SCR_CaptureVideo_BeginVideo();
1274                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1275                 {
1276                         Con_Printf("You can not change the video framerate while recording a video.\n");
1277                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1278                 }
1279                 // for AVI saving we have to make sure that sound is saved before video
1280                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1281                         return;
1282                 if (cls.capturevideo.realtime)
1283                 {
1284                         // preserve sound sync by duplicating frames when running slow
1285                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1286                 }
1287                 else
1288                         newframenum = cls.capturevideo.frame + 1;
1289                 // if falling behind more than one second, stop
1290                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1291                 {
1292                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1293                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1294                         SCR_CaptureVideo_EndVideo();
1295                         return;
1296                 }
1297                 // write frames
1298                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1299                 cls.capturevideo.frame = newframenum;
1300                 if (cls.capturevideo.error)
1301                 {
1302                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1303                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1304                         SCR_CaptureVideo_EndVideo();
1305                 }
1306         }
1307         else if (cls.capturevideo.active)
1308                 SCR_CaptureVideo_EndVideo();
1309 }
1310
1311 /*
1312 ===============
1313 R_Envmap_f
1314
1315 Grab six views for environment mapping tests
1316 ===============
1317 */
1318 struct envmapinfo_s
1319 {
1320         float angles[3];
1321         const char *name;
1322         qboolean flipx, flipy, flipdiagonaly;
1323 }
1324 envmapinfo[12] =
1325 {
1326         {{  0,   0, 0}, "rt", false, false, false},
1327         {{  0, 270, 0}, "ft", false, false, false},
1328         {{  0, 180, 0}, "lf", false, false, false},
1329         {{  0,  90, 0}, "bk", false, false, false},
1330         {{-90, 180, 0}, "up",  true,  true, false},
1331         {{ 90, 180, 0}, "dn",  true,  true, false},
1332
1333         {{  0,   0, 0}, "px",  true,  true,  true},
1334         {{  0,  90, 0}, "py", false,  true, false},
1335         {{  0, 180, 0}, "nx", false, false,  true},
1336         {{  0, 270, 0}, "ny",  true, false, false},
1337         {{-90, 180, 0}, "pz", false, false,  true},
1338         {{ 90, 180, 0}, "nz", false, false,  true}
1339 };
1340
1341 static void R_Envmap_f (void)
1342 {
1343         int j, size;
1344         char filename[MAX_QPATH], basename[MAX_QPATH];
1345         unsigned char *buffer1;
1346         unsigned char *buffer2;
1347
1348         if (Cmd_Argc() != 3)
1349         {
1350                 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");
1351                 return;
1352         }
1353
1354         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1355         size = atoi(Cmd_Argv(2));
1356         if (size != 128 && size != 256 && size != 512 && size != 1024)
1357         {
1358                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1359                 return;
1360         }
1361         if (size > vid.width || size > vid.height)
1362         {
1363                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1364                 return;
1365         }
1366
1367         r_refdef.envmap = true;
1368
1369         R_UpdateVariables();
1370
1371         r_refdef.view.x = 0;
1372         r_refdef.view.y = 0;
1373         r_refdef.view.z = 0;
1374         r_refdef.view.width = size;
1375         r_refdef.view.height = size;
1376         r_refdef.view.depth = 1;
1377         r_refdef.view.useperspective = true;
1378         r_refdef.view.isoverlay = false;
1379
1380         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1381         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1382
1383         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1384         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1385
1386         for (j = 0;j < 12;j++)
1387         {
1388                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1389                 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);
1390                 r_refdef.view.quality = 1;
1391                 r_refdef.view.clear = true;
1392                 R_Mesh_Start();
1393                 R_RenderView();
1394                 R_Mesh_Finish();
1395                 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);
1396         }
1397
1398         Mem_Free (buffer1);
1399         Mem_Free (buffer2);
1400
1401         r_refdef.envmap = false;
1402 }
1403
1404 //=============================================================================
1405
1406 void SHOWLMP_decodehide(void)
1407 {
1408         int i;
1409         char *lmplabel;
1410         lmplabel = MSG_ReadString();
1411         for (i = 0;i < cl.num_showlmps;i++)
1412                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1413                 {
1414                         cl.showlmps[i].isactive = false;
1415                         return;
1416                 }
1417 }
1418
1419 void SHOWLMP_decodeshow(void)
1420 {
1421         int k;
1422         char lmplabel[256], picname[256];
1423         float x, y;
1424         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1425         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1426         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1427         {
1428                 x = MSG_ReadByte();
1429                 y = MSG_ReadByte();
1430         }
1431         else
1432         {
1433                 x = MSG_ReadShort();
1434                 y = MSG_ReadShort();
1435         }
1436         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1437         {
1438                 showlmp_t *oldshowlmps = cl.showlmps;
1439                 cl.max_showlmps += 16;
1440                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1441                 if (cl.num_showlmps)
1442                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1443                 if (oldshowlmps)
1444                         Mem_Free(oldshowlmps);
1445         }
1446         for (k = 0;k < cl.max_showlmps;k++)
1447                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1448                         break;
1449         if (k == cl.max_showlmps)
1450                 for (k = 0;k < cl.max_showlmps;k++)
1451                         if (!cl.showlmps[k].isactive)
1452                                 break;
1453         cl.showlmps[k].isactive = true;
1454         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1455         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1456         cl.showlmps[k].x = x;
1457         cl.showlmps[k].y = y;
1458         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1459 }
1460
1461 void SHOWLMP_drawall(void)
1462 {
1463         int i;
1464         for (i = 0;i < cl.num_showlmps;i++)
1465                 if (cl.showlmps[i].isactive)
1466                         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);
1467 }
1468
1469 /*
1470 ==============================================================================
1471
1472                                                 SCREEN SHOTS
1473
1474 ==============================================================================
1475 */
1476
1477 // buffer1: 4*w*h
1478 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1479 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)
1480 {
1481         int     indices[4] = {0,1,2,3}; // BGRA
1482         qboolean ret;
1483
1484         GL_ReadPixelsBGRA(x, y, width, height, buffer1);
1485
1486         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1487         {
1488                 int i;
1489                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1490                 unsigned short vidramp[256 * 3];
1491                 if(WANT_SCREENSHOT_HWGAMMA)
1492                 {
1493                         VID_BuildGammaTables(&vidramp[0], 256);
1494                 }
1495                 else
1496                 {
1497                         // identity gamma table
1498                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1499                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1500                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1501                 }
1502                 if(scr_screenshot_gammaboost.value != 1)
1503                 {
1504                         for (i = 0;i < 256 * 3;i++)
1505                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1506                 }
1507                 for (i = 0;i < width*height*4;i += 4)
1508                 {
1509                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1510                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1511                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1512                         // A
1513                 }
1514         }
1515
1516         if(keep_alpha && !jpeg)
1517         {
1518                 if(!png)
1519                         flipy = !flipy; // TGA: not preflipped
1520                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1521                 if (png)
1522                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1523                 else
1524                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1525         }
1526         else
1527         {
1528                 if(jpeg)
1529                 {
1530                         indices[0] = 2;
1531                         indices[2] = 0; // RGB
1532                 }
1533                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1534                 if (jpeg)
1535                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1536                 else if (png)
1537                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1538                 else
1539                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1540         }
1541
1542         return ret;
1543 }
1544
1545 //=============================================================================
1546
1547 extern void R_UpdateFogColor(void);
1548 void R_ClearScreen(qboolean fogcolor)
1549 {
1550         float clearcolor[4];
1551         // clear to black
1552         Vector4Clear(clearcolor);
1553         if (fogcolor)
1554         {
1555                 R_UpdateFogColor();
1556                 VectorCopy(r_refdef.fogcolor, clearcolor);
1557         }
1558         // clear depth is 1.0
1559         // LordHavoc: we use a stencil centered around 128 instead of 0,
1560         // to avoid clamping interfering with strange shadow volume
1561         // drawing orders
1562         // clear the screen
1563         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 128);
1564 }
1565
1566 qboolean CL_VM_UpdateView (void);
1567 void SCR_DrawConsole (void);
1568 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1569
1570 int r_stereo_side;
1571
1572 extern void Sbar_ShowFPS(void);
1573 void SCR_DrawScreen (void)
1574 {
1575         Draw_Frame();
1576
1577         R_Mesh_Start();
1578
1579         R_UpdateVariables();
1580
1581         // Quake uses clockwise winding, so these are swapped
1582         r_refdef.view.cullface_front = GL_BACK;
1583         r_refdef.view.cullface_back = GL_FRONT;
1584
1585         if (cls.signon == SIGNONS)
1586         {
1587                 float size;
1588
1589                 size = scr_viewsize.value * (1.0 / 100.0);
1590                 size = min(size, 1);
1591
1592                 if (r_stereo_sidebyside.integer)
1593                 {
1594                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1595                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1596                         r_refdef.view.depth = 1;
1597                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1598                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1599                         r_refdef.view.z = 0;
1600                         if (r_stereo_side)
1601                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1602                 }
1603                 else if (r_stereo_horizontal.integer)
1604                 {
1605                         r_refdef.view.width = (int)(vid.width * size / 2);
1606                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1607                         r_refdef.view.depth = 1;
1608                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.0)/2);
1609                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1610                         r_refdef.view.z = 0;
1611                         if (r_stereo_side)
1612                                 r_refdef.view.x += (int)(r_refdef.view.width);
1613                 }
1614                 else if (r_stereo_vertical.integer)
1615                 {
1616                         r_refdef.view.width = (int)(vid.width * size);
1617                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100) / 2);
1618                         r_refdef.view.depth = 1;
1619                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1620                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height * 2.0)/2);
1621                         r_refdef.view.z = 0;
1622                         if (r_stereo_side)
1623                                 r_refdef.view.y += (int)(r_refdef.view.height);
1624                 }
1625                 else
1626                 {
1627                         r_refdef.view.width = (int)(vid.width * size);
1628                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1629                         r_refdef.view.depth = 1;
1630                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1631                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1632                         r_refdef.view.z = 0;
1633                 }
1634
1635                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1636                 // LordHavoc: this is designed to produce widescreen fov values
1637                 // when the screen is wider than 4/3 width/height aspect, to do
1638                 // this it simply assumes the requested fov is the vertical fov
1639                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1640                 // higher/lower according to the ratio
1641                 r_refdef.view.useperspective = true;
1642                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1643                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1644
1645                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1646                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1647
1648                 if(!CL_VM_UpdateView())
1649                         R_RenderView();
1650
1651                 if (scr_zoomwindow.integer)
1652                 {
1653                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1654                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1655                         r_refdef.view.width = (int)(vid.width * sizex);
1656                         r_refdef.view.height = (int)(vid.height * sizey);
1657                         r_refdef.view.depth = 1;
1658                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1659                         r_refdef.view.y = 0;
1660                         r_refdef.view.z = 0;
1661
1662                         r_refdef.view.useperspective = true;
1663                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1664                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1665
1666                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1667                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1668
1669                         if(!CL_VM_UpdateView())
1670                                 R_RenderView();
1671                 }
1672         }
1673
1674         if (!r_stereo_sidebyside.integer && !r_stereo_horizontal.integer && !r_stereo_vertical.integer)
1675         {
1676                 r_refdef.view.width = vid.width;
1677                 r_refdef.view.height = vid.height;
1678                 r_refdef.view.depth = 1;
1679                 r_refdef.view.x = 0;
1680                 r_refdef.view.y = 0;
1681                 r_refdef.view.z = 0;
1682                 r_refdef.view.useperspective = false;
1683         }
1684
1685         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1686         {
1687                 const char *t;
1688                 int framenum;
1689                 t = timedemo_screenshotframelist.string;
1690                 while (*t)
1691                 {
1692                         while (*t == ' ')
1693                                 t++;
1694                         if (!*t)
1695                                 break;
1696                         framenum = atof(t);
1697                         if (framenum == cls.td_frames)
1698                                 break;
1699                         while (*t && *t != ' ')
1700                                 t++;
1701                 }
1702                 if (*t)
1703                 {
1704                         // we need to take a screenshot of this frame...
1705                         char filename[MAX_QPATH];
1706                         unsigned char *buffer1;
1707                         unsigned char *buffer2;
1708                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1709                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1710                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1711                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1712                         Mem_Free(buffer1);
1713                         Mem_Free(buffer2);
1714                 }
1715         }
1716
1717         // draw 2D stuff
1718         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1719                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1720                         Con_DrawNotify ();      // only draw notify in game
1721
1722         if (cls.signon == SIGNONS)
1723         {
1724                 SCR_DrawNet ();
1725                 SCR_DrawTurtle ();
1726                 SCR_DrawPause ();
1727                 if (!r_letterbox.value)
1728                         Sbar_Draw();
1729                 Sbar_ShowFPS();
1730                 SHOWLMP_drawall();
1731                 SCR_CheckDrawCenterString();
1732         }
1733         SCR_DrawNetGraph ();
1734         MR_Draw();
1735         CL_DrawVideo();
1736         R_Shadow_EditLights_DrawSelectedLightProperties();
1737
1738         SCR_DrawConsole();
1739
1740         SCR_DrawBrand();
1741
1742         SCR_DrawInfobar();
1743
1744         if (r_timereport_active)
1745                 R_TimeReport("2d");
1746
1747         if (cls.signon == SIGNONS)
1748         {
1749                 R_TimeReport_EndFrame();
1750                 R_TimeReport_BeginFrame();
1751         }
1752
1753         DrawQ_Finish();
1754
1755         R_DrawGamma();
1756
1757         R_Mesh_Finish();
1758 }
1759
1760 typedef struct loadingscreenstack_s
1761 {
1762         struct loadingscreenstack_s *prev;
1763         char msg[MAX_QPATH];
1764         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1765         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1766         float relative_completion; // 0 .. 1
1767 }
1768 loadingscreenstack_t;
1769 static loadingscreenstack_t *loadingscreenstack = NULL;
1770 static double loadingscreentime = -1;
1771 static qboolean loadingscreencleared = false;
1772 static float loadingscreenheight = 0;
1773 rtexture_t *loadingscreentexture = NULL;
1774 static float loadingscreentexture_vertex3f[12];
1775 static float loadingscreentexture_texcoord2f[8];
1776 static int loadingscreenpic_number = 0;
1777
1778 static void SCR_ClearLoadingScreenTexture(void)
1779 {
1780         if(loadingscreentexture)
1781                 R_FreeTexture(loadingscreentexture);
1782         loadingscreentexture = NULL;
1783 }
1784
1785 extern rtexturepool_t *r_main_texturepool;
1786 static void SCR_SetLoadingScreenTexture(void)
1787 {
1788         int w, h;
1789         float loadingscreentexture_w;
1790         float loadingscreentexture_h;
1791
1792         SCR_ClearLoadingScreenTexture();
1793
1794         if (vid.support.arb_texture_non_power_of_two)
1795         {
1796                 w = vid.width; h = vid.height;
1797                 loadingscreentexture_w = loadingscreentexture_h = 1;
1798         }
1799         else
1800         {
1801                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1802                 loadingscreentexture_w = vid.width / (float) w;
1803                 loadingscreentexture_h = vid.height / (float) h;
1804         }
1805
1806         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
1807         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1808
1809         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1810         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1811         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1812         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1813         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1814         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1815         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1816         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1817         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1818 }
1819
1820 void SCR_UpdateLoadingScreenIfShown(void)
1821 {
1822         if(realtime == loadingscreentime)
1823                 SCR_UpdateLoadingScreen(loadingscreencleared);
1824 }
1825
1826 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1827 {
1828         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1829         s->prev = loadingscreenstack;
1830         loadingscreenstack = s;
1831
1832         strlcpy(s->msg, msg, sizeof(s->msg));
1833         s->relative_completion = 0;
1834
1835         if(s->prev)
1836         {
1837                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1838                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1839                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1840                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1841         }
1842         else
1843         {
1844                 s->absolute_loading_amount_min = 0;
1845                 s->absolute_loading_amount_len = 1;
1846         }
1847
1848         if(redraw)
1849                 SCR_UpdateLoadingScreenIfShown();
1850 }
1851
1852 void SCR_PopLoadingScreen (qboolean redraw)
1853 {
1854         loadingscreenstack_t *s = loadingscreenstack;
1855
1856         if(!s)
1857         {
1858                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1859                 return;
1860         }
1861
1862         loadingscreenstack = s->prev;
1863         if(s->prev)
1864                 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;
1865         Z_Free(s);
1866
1867         if(redraw)
1868                 SCR_UpdateLoadingScreenIfShown();
1869 }
1870
1871 void SCR_ClearLoadingScreen (qboolean redraw)
1872 {
1873         while(loadingscreenstack)
1874                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1875 }
1876
1877 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1878 {
1879         float x;
1880         size_t len;
1881         float total;
1882
1883         total = 0;
1884 #if 0
1885         if(s)
1886         {
1887                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1888                 y -= total;
1889                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1890                 {
1891                         len = strlen(s->msg);
1892                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1893                         y -= size;
1894                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1895                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1896                         total += size;
1897                 }
1898         }
1899 #else
1900         if(s)
1901         {
1902                 len = strlen(s->msg);
1903                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1904                 y -= size;
1905                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1906                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1907                 total += size;
1908         }
1909 #endif
1910         return total;
1911 }
1912
1913 static void SCR_DrawLoadingStack(void)
1914 {
1915         float verts[12];
1916         float colors[16];
1917
1918         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1919         if(loadingscreenstack)
1920         {
1921                 // height = 32; // sorry, using the actual one is ugly
1922                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1923                 GL_DepthRange(0, 1);
1924                 GL_PolygonOffset(0, 0);
1925                 GL_DepthTest(false);
1926                 R_Mesh_ResetTextureState();
1927                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1928                 verts[0] = verts[9] = 0;
1929                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1930                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1931                 verts[7] = verts[10] = vid_conheight.integer;
1932                 
1933 #if _MSC_VER >= 1400
1934 #define sscanf sscanf_s
1935 #endif
1936                 //                                        ^^^^^^^^^^ blue component
1937                 //                              ^^^^^^ bottom row
1938                 //          ^^^^^^^^^^^^ alpha is always on
1939                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
1940                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
1941                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
1942                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
1943
1944                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
1945                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1946                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1947
1948                 // make sure everything is cleared, including the progress indicator
1949                 if(loadingscreenheight < 8)
1950                         loadingscreenheight = 8;
1951         }
1952 }
1953
1954 static cachepic_t *loadingscreenpic;
1955 static float loadingscreenpic_vertex3f[12];
1956 static float loadingscreenpic_texcoord2f[8];
1957
1958 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
1959 {
1960         r_viewport_t viewport;
1961         float x, y;
1962         // release mouse grab while loading
1963         if (!vid.fullscreen)
1964                 VID_SetMouse(false, false, false);
1965 //      CHECKGLERROR
1966         r_refdef.draw2dstage = true;
1967         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
1968         R_SetViewport(&viewport);
1969         GL_ColorMask(1,1,1,1);
1970         // when starting up a new video mode, make sure the screen is cleared to black
1971         if (clear)
1972                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
1973         R_Textures_Frame();
1974         R_Mesh_Start();
1975         R_EntityMatrix(&identitymatrix);
1976         // draw the loading plaque
1977         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
1978         x = (vid_conwidth.integer - loadingscreenpic->width)/2;
1979         y = (vid_conheight.integer - loadingscreenpic->height)/2;
1980         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
1981         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
1982         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
1983         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + loadingscreenpic->width;
1984         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + loadingscreenpic->height;
1985         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
1986         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
1987         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
1988         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
1989 }
1990
1991 static void SCR_DrawLoadingScreen (qboolean clear)
1992 {
1993         // we only need to draw the image if it isn't already there
1994         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1995         GL_DepthRange(0, 1);
1996         GL_PolygonOffset(0, 0);
1997         GL_DepthTest(false);
1998         R_Mesh_ResetTextureState();
1999         GL_Color(1,1,1,1);
2000         if(loadingscreentexture)
2001         {
2002                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
2003                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
2004                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2005         }
2006         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
2007         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
2008         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2009         SCR_DrawLoadingStack();
2010 }
2011
2012 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
2013 {
2014         R_Mesh_Finish();
2015         // refresh
2016         VID_Finish();
2017 }
2018
2019 void SCR_UpdateLoadingScreen (qboolean clear)
2020 {
2021         keydest_t       old_key_dest;
2022         int                     old_key_consoleactive;
2023
2024         // don't do anything if not initialized yet
2025         if (vid_hidden || cls.state == ca_dedicated)
2026                 return;
2027
2028         if(!scr_loadingscreen_background.integer)
2029                 clear = true;
2030         
2031         if(loadingscreentime == realtime)
2032                 clear |= loadingscreencleared;
2033
2034         if(loadingscreentime != realtime)
2035                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2036
2037         if(clear)
2038                 SCR_ClearLoadingScreenTexture();
2039         else if(loadingscreentime != realtime)
2040                 SCR_SetLoadingScreenTexture();
2041
2042         if(loadingscreentime != realtime)
2043         {
2044                 loadingscreentime = realtime;
2045                 loadingscreenheight = 0;
2046         }
2047         loadingscreencleared = clear;
2048
2049         SCR_DrawLoadingScreen_SharedSetup(clear);
2050         if (vid.stereobuffer)
2051         {
2052                 qglDrawBuffer(GL_BACK_LEFT);
2053                 SCR_DrawLoadingScreen(clear);
2054                 qglDrawBuffer(GL_BACK_RIGHT);
2055                 SCR_DrawLoadingScreen(clear);
2056         }
2057         else
2058         {
2059                 if (qglDrawBuffer)
2060                         qglDrawBuffer(GL_BACK);
2061                 SCR_DrawLoadingScreen(clear);
2062         }
2063         SCR_DrawLoadingScreen_SharedFinish(clear);
2064
2065         // this goes into the event loop, and should prevent unresponsive cursor on vista
2066         old_key_dest = key_dest;
2067         old_key_consoleactive = key_consoleactive;
2068         key_dest = key_void;
2069         key_consoleactive = false;
2070         Key_EventQueue_Block(); Sys_SendKeyEvents();
2071         key_dest = old_key_dest;
2072         key_consoleactive = old_key_consoleactive;
2073 }
2074
2075 qboolean R_Stereo_ColorMasking(void)
2076 {
2077         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2078 }
2079
2080 qboolean R_Stereo_Active(void)
2081 {
2082         return (vid.stereobuffer || r_stereo_sidebyside.integer || r_stereo_horizontal.integer || r_stereo_vertical.integer || R_Stereo_ColorMasking());
2083 }
2084
2085 extern cvar_t cl_minfps;
2086 extern cvar_t cl_minfps_fade;
2087 extern cvar_t cl_minfps_qualitymax;
2088 extern cvar_t cl_minfps_qualitymin;
2089 extern cvar_t cl_minfps_qualitypower;
2090 extern cvar_t cl_minfps_qualityscale;
2091 static double cl_updatescreen_rendertime = 0;
2092 static double cl_updatescreen_quality = 1;
2093 extern void Sbar_ShowFPS_Update(void);
2094 void CL_UpdateScreen(void)
2095 {
2096         double rendertime1;
2097         float conwidth, conheight;
2098         float f;
2099         r_viewport_t viewport;
2100
2101         Sbar_ShowFPS_Update();
2102
2103         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2104                 return;                         // not initialized yet
2105
2106         if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2107         {
2108                 // play a bit with the palette (experimental)
2109                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2110                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2111                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2112                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2113                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2114                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2115                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2116                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2117         }
2118
2119         if (vid_hidden)
2120         {
2121                 VID_Finish();
2122                 return;
2123         }
2124
2125         rendertime1 = Sys_DoubleTime();
2126
2127         conwidth = bound(160, vid_conwidth.value, 32768);
2128         conheight = bound(90, vid_conheight.value, 24576);
2129         if (vid_conwidth.value != conwidth)
2130                 Cvar_SetValue("vid_conwidth", conwidth);
2131         if (vid_conheight.value != conheight)
2132                 Cvar_SetValue("vid_conheight", conheight);
2133
2134         // bound viewsize
2135         if (scr_viewsize.value < 30)
2136                 Cvar_Set ("viewsize","30");
2137         if (scr_viewsize.value > 120)
2138                 Cvar_Set ("viewsize","120");
2139
2140         // bound field of view
2141         if (scr_fov.value < 1)
2142                 Cvar_Set ("fov","1");
2143         if (scr_fov.value > 170)
2144                 Cvar_Set ("fov","170");
2145
2146         // intermission is always full screen
2147         if (cl.intermission)
2148                 sb_lines = 0;
2149         else
2150         {
2151                 if (scr_viewsize.value >= 120)
2152                         sb_lines = 0;           // no status bar at all
2153                 else if (scr_viewsize.value >= 110)
2154                         sb_lines = 24;          // no inventory
2155                 else
2156                         sb_lines = 24+16+8;
2157         }
2158
2159         r_refdef.view.colormask[0] = 1;
2160         r_refdef.view.colormask[1] = 1;
2161         r_refdef.view.colormask[2] = 1;
2162
2163         SCR_SetUpToDrawConsole();
2164
2165         if (qglDrawBuffer)
2166         {
2167                 CHECKGLERROR
2168                 qglDrawBuffer(GL_BACK);CHECKGLERROR
2169                 // set dithering mode
2170                 if (gl_dither.integer)
2171                 {
2172                         qglEnable(GL_DITHER);CHECKGLERROR
2173                 }
2174                 else
2175                 {
2176                         qglDisable(GL_DITHER);CHECKGLERROR
2177                 }
2178         }
2179
2180         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2181         R_SetViewport(&viewport);
2182         GL_ScissorTest(false);
2183         GL_ColorMask(1,1,1,1);
2184         GL_DepthMask(true);
2185
2186         R_ClearScreen(false);
2187         r_refdef.view.clear = false;
2188         r_refdef.view.isoverlay = false;
2189         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2190         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2191
2192         if (qglPolygonStipple)
2193         {
2194                 if(scr_stipple.integer)
2195                 {
2196                         GLubyte stipple[128];
2197                         int i, s, width, parts;
2198                         static int frame = 0;
2199                         ++frame;
2200         
2201                         s = scr_stipple.integer;
2202                         parts = (s & 007);
2203                         width = (s & 070) >> 3;
2204         
2205                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2206                         for(i = 0; i < 128; ++i)
2207                         {
2208                                 int line = i/4;
2209                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2210                         }
2211                         qglPolygonStipple(stipple);CHECKGLERROR
2212                 }
2213                 else
2214                 {
2215                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2216                 }
2217         }
2218
2219         if (R_Stereo_Active())
2220         {
2221                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2222                 matrix4x4_t offsetmatrix;
2223                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2224                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2225
2226                 r_stereo_side = 0;
2227
2228                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2229                 {
2230                         r_refdef.view.colormask[0] = 1;
2231                         r_refdef.view.colormask[1] = 0;
2232                         r_refdef.view.colormask[2] = 0;
2233                 }
2234
2235                 if (vid.stereobuffer)
2236                         qglDrawBuffer(GL_BACK_RIGHT);
2237
2238                 SCR_DrawScreen();
2239
2240                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2241                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2242
2243                 r_stereo_side = 1;
2244
2245                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2246                 {
2247                         r_refdef.view.colormask[0] = 0;
2248                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2249                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2250                 }
2251
2252                 if (vid.stereobuffer)
2253                         qglDrawBuffer(GL_BACK_LEFT);
2254
2255                 SCR_DrawScreen();
2256
2257                 r_refdef.view.matrix = originalmatrix;
2258         }
2259         else
2260                 SCR_DrawScreen();
2261
2262         SCR_CaptureVideo();
2263
2264         if (qglFlush)
2265                 qglFlush(); // FIXME: should we really be using qglFlush here?
2266
2267         // quality adjustment according to render time
2268         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2269         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2270                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2271         else
2272                 cl_updatescreen_quality = 1;
2273
2274         if (!vid_activewindow)
2275                 VID_SetMouse(false, false, false);
2276         else if (key_consoleactive)
2277                 VID_SetMouse(vid.fullscreen, false, false);
2278         else if (key_dest == key_menu_grabbed)
2279                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2280         else if (key_dest == key_menu)
2281                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2282         else
2283                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && cl_prydoncursor.integer <= 0 && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2284
2285         VID_Finish();
2286 }
2287
2288 void CL_Screen_NewMap(void)
2289 {
2290 }