f905af34ab9063301f45bad951be43d314de1856
[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 "cl_collision.h"
7 #include "libcurl.h"
8 #include "csprogs.h"
9
10 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
11 #include "snd_main.h"
12
13 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
14 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
15 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background"};
16 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
17 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
18 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
19 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
20 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
21 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
22 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
23 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
24 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
25 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
26 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
27 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)"};
28 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
29 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
30 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
31 // scr_screenshot_name is defined in fs.c
32 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)"};
33 cvar_t cl_capturevideo_width = {0, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
34 cvar_t cl_capturevideo_height = {0, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
35 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 1 second"};
36 cvar_t cl_capturevideo_fps = {0, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
37 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
38 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)"};
39 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)"};
40 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)"};
41 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)"};
42 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"};
43 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
44 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)"};
45 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
46 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
47 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
48 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
49 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
50 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
51 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)"};
52
53 #define AVI_MASTER_INDEX_SIZE 640 // GB ought to be enough for anyone
54
55 int jpeg_supported = false;
56
57 qboolean        scr_initialized;                // ready to draw
58
59 float           scr_con_current;
60
61 extern int      con_vislines;
62
63 static void SCR_ScreenShot_f (void);
64 static void R_Envmap_f (void);
65
66 // backend
67 void R_ClearScreen(void);
68
69 /*
70 ===============================================================================
71
72 CENTER PRINTING
73
74 ===============================================================================
75 */
76
77 char            scr_centerstring[MAX_INPUTLINE];
78 float           scr_centertime_start;   // for slow victory printing
79 float           scr_centertime_off;
80 int                     scr_center_lines;
81 int                     scr_erase_lines;
82 int                     scr_erase_center;
83
84 /*
85 ==============
86 SCR_CenterPrint
87
88 Called for important messages that should stay in the center of the screen
89 for a few moments
90 ==============
91 */
92 void SCR_CenterPrint(char *str)
93 {
94         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
95         scr_centertime_off = scr_centertime.value;
96         scr_centertime_start = cl.time;
97
98 // count the number of lines for centering
99         scr_center_lines = 1;
100         while (*str)
101         {
102                 if (*str == '\n')
103                         scr_center_lines++;
104                 str++;
105         }
106 }
107
108
109 void SCR_DrawCenterString (void)
110 {
111         char    *start;
112         int             x, y;
113         int             remaining;
114         int             color;
115
116         if(cl.intermission == 2) // in finale,
117                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
118                         return;
119
120 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
121         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
122                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
123         else
124                 remaining = 9999;
125
126         scr_erase_center = 0;
127         start = scr_centerstring;
128
129         if (remaining < 1)
130                 return;
131
132         if (scr_center_lines <= 4)
133                 y = (int)(vid_conheight.integer*0.35);
134         else
135                 y = 48;
136
137         color = -1;
138         do
139         {
140                 // scan the number of characters on the line, not counting color codes
141                 char *newline = strchr(start, '\n');
142                 int l = newline ? (newline - start) : (int)strlen(start);
143                 int chars = COM_StringLengthNoColors(start, l, NULL);
144
145                 x = (vid_conwidth.integer - chars*8)/2;
146                 if (l > 0)
147                 {
148                         if (remaining < l)
149                                 l = remaining;
150                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false);
151                         remaining -= l;
152                         if (remaining <= 0)
153                                 return;
154                 }
155                 y += 8;
156
157                 if (!newline)
158                         break;
159                 start = newline + 1; // skip the \n
160         } while (1);
161 }
162
163 void SCR_CheckDrawCenterString (void)
164 {
165         if (scr_center_lines > scr_erase_lines)
166                 scr_erase_lines = scr_center_lines;
167
168         if (cl.time > cl.oldtime)
169                 scr_centertime_off -= cl.time - cl.oldtime;
170
171         // don't draw if this is a normal stats-screen intermission,
172         // only if it is not an intermission, or a finale intermission
173         if (cl.intermission == 1)
174                 return;
175         if (scr_centertime_off <= 0 && !cl.intermission)
176                 return;
177         if (key_dest != key_game)
178                 return;
179
180         SCR_DrawCenterString ();
181 }
182
183 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int barwidth, int barheight, int bardivide, const char *label, float textsize, int packetcounter, int numparameters, const int **parameters, const float parametercolors[][4])
184 {
185         int j, k, x, y, index, offset, height;
186         // draw the bar graph itself
187         // advance the packet counter because it is the latest packet column being
188         // built up and should come last
189         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
190         for (j = 0;j < NETGRAPH_PACKETS;j++)
191         {
192                 x = graphx + j * barwidth;
193                 y = graphy + barheight;
194                 index = (packetcounter + j) % NETGRAPH_PACKETS;
195                 if (parameters[0][index] == NETGRAPH_LOSTPACKET)
196                         DrawQ_Fill(x, y - barheight, barwidth, barheight, 1, 0, 0, 1, 0);
197                 else if (parameters[0][index] == NETGRAPH_CHOKEDPACKET)
198                         DrawQ_Fill(x, y - min(2, barheight), barwidth, min(2, barheight), 1, 1, 0, 1, 0);
199                 else
200                 {
201                         offset = 0;
202                         for (k = 0;k < numparameters;k++)
203                         {
204                                 height = (parameters[k][index] + bardivide - 1) / bardivide;
205                                 height = min(height, barheight - offset);
206                                 offset += height;
207                                 if (height)
208                                         DrawQ_Fill(x, y - offset, barwidth, height, parametercolors[k][0], parametercolors[k][1], parametercolors[k][2], parametercolors[k][3], 0);
209                         }
210                 }
211         }
212 }
213
214 const float netgraphcolors[3][4] =
215 {
216         {1  , 0.5, 0  , 1},
217         {1  , 1  , 1  , 1},
218         {0  , 1  , 0  , 1},
219 };
220
221 void SCR_DrawNetGraph_DrawConnection_Client (netconn_t *conn, int graphx, int graphy, int barwidth, int barheight, int bardivide, const char *labelincoming, int separator, const char *labeloutgoing, float textsize)
222 {
223         int numparameters;
224         const int *parameters[3];
225         // dim background
226         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
227         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
228         // draw the bar graphs
229         numparameters = 3;
230         parameters[0] = conn->incoming_unreliablesize;
231         parameters[1] = conn->incoming_reliablesize;
232         parameters[2] = conn->incoming_acksize;
233         SCR_DrawNetGraph_DrawGraph(graphx, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
234         parameters[0] = conn->outgoing_unreliablesize;
235         parameters[1] = conn->outgoing_reliablesize;
236         parameters[2] = conn->outgoing_acksize;
237         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
238         // draw labels
239         DrawQ_String(graphx                                          , graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
240         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
241 }
242
243 void SCR_DrawNetGraph_DrawConnection_Server (netconn_t *conn, int graphx, int graphy, int barwidth, int barheight, int bardivide, const char *labeloutgoing, int separator, const char *labelincoming, float textsize)
244 {
245         int numparameters;
246         const int *parameters[3];
247         // dim background
248         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
249         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
250         // draw the bar graphs
251         numparameters = 3;
252         parameters[0] = conn->outgoing_unreliablesize;
253         parameters[1] = conn->outgoing_reliablesize;
254         parameters[2] = conn->outgoing_acksize;
255         SCR_DrawNetGraph_DrawGraph(graphx                                          , graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
256         parameters[0] = conn->incoming_unreliablesize;
257         parameters[1] = conn->incoming_reliablesize;
258         parameters[2] = conn->incoming_acksize;
259         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
260         // draw labels
261         DrawQ_String(graphx                                          , graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
262         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
263 }
264
265 /*
266 ==============
267 SCR_DrawNetGraph
268 ==============
269 */
270 void SCR_DrawNetGraph (void)
271 {
272         int i, separator1, separator2, barwidth, barheight, bardivide, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
273
274         if (cls.state != ca_connected)
275                 return;
276         if (!cls.netcon)
277                 return;
278         if (!shownetgraph.integer)
279                 return;
280
281         separator1 = 2;
282         separator2 = 4;
283         textsize = 8;
284         barwidth = 1;
285         barheight = 50;
286         bardivide = 20;
287
288         netgraphsperrow = (vid_conwidth.integer + separator2) / (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
289         netgraphsperrow = max(netgraphsperrow, 1);
290
291         index = 0;
292         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
293         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
294         SCR_DrawNetGraph_DrawConnection_Client(cls.netcon, netgraph_x, netgraph_y, barwidth, barheight, bardivide, "incoming", separator1, "outgoing", textsize);
295         index++;
296
297         if (sv.active && shownetgraph.integer >= 2)
298         {
299                 for (i = 0;i < svs.maxclients;i++)
300                 {
301                         if (!svs.clients[i].netconnection)
302                                 continue;
303                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
304                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
305                         SCR_DrawNetGraph_DrawConnection_Server(svs.clients[i].netconnection, netgraph_x, netgraph_y, barwidth, barheight, bardivide, va("%s", svs.clients[i].name), separator1, "", textsize);
306                         index++;
307                 }
308         }
309 }
310
311 /*
312 ==============
313 SCR_DrawTurtle
314 ==============
315 */
316 void SCR_DrawTurtle (void)
317 {
318         static int      count;
319
320         if (cls.state != ca_connected)
321                 return;
322
323         if (!scr_showturtle.integer)
324                 return;
325
326         if (cl.realframetime < 0.1)
327         {
328                 count = 0;
329                 return;
330         }
331
332         count++;
333         if (count < 3)
334                 return;
335
336         DrawQ_Pic (0, 0, Draw_CachePic("gfx/turtle", true), 0, 0, 1, 1, 1, 1, 0);
337 }
338
339 /*
340 ==============
341 SCR_DrawNet
342 ==============
343 */
344 void SCR_DrawNet (void)
345 {
346         if (cls.state != ca_connected)
347                 return;
348         if (realtime - cl.last_received_message < 0.3)
349                 return;
350         if (cls.demoplayback)
351                 return;
352
353         DrawQ_Pic (64, 0, Draw_CachePic("gfx/net", true), 0, 0, 1, 1, 1, 1, 0);
354 }
355
356 /*
357 ==============
358 DrawPause
359 ==============
360 */
361 void SCR_DrawPause (void)
362 {
363         cachepic_t      *pic;
364
365         if (cls.state != ca_connected)
366                 return;
367
368         if (!scr_showpause.integer)             // turn off for screenshots
369                 return;
370
371         if (!cl.paused)
372                 return;
373
374         pic = Draw_CachePic ("gfx/pause", true);
375         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
376 }
377
378 /*
379 ==============
380 SCR_DrawBrand
381 ==============
382 */
383 void SCR_DrawBrand (void)
384 {
385         cachepic_t      *pic;
386         float           x, y;
387
388         if (!scr_showbrand.value)
389                 return;
390
391         pic = Draw_CachePic ("gfx/brand", true);
392
393         switch ((int)scr_showbrand.value)
394         {
395         case 1: // bottom left
396                 x = 0;
397                 y = vid_conheight.integer - pic->height;
398                 break;
399         case 2: // bottom centre
400                 x = (vid_conwidth.integer - pic->width) / 2;
401                 y = vid_conheight.integer - pic->height;
402                 break;
403         case 3: // bottom right
404                 x = vid_conwidth.integer - pic->width;
405                 y = vid_conheight.integer - pic->height;
406                 break;
407         case 4: // centre right
408                 x = vid_conwidth.integer - pic->width;
409                 y = (vid_conheight.integer - pic->height) / 2;
410                 break;
411         case 5: // top right
412                 x = vid_conwidth.integer - pic->width;
413                 y = 0;
414                 break;
415         case 6: // top centre
416                 x = (vid_conwidth.integer - pic->width) / 2;
417                 y = 0;
418                 break;
419         case 7: // top left
420                 x = 0;
421                 y = 0;
422                 break;
423         case 8: // centre left
424                 x = 0;
425                 y = (vid_conheight.integer - pic->height) / 2;
426                 break;
427         default:
428                 return;
429         }
430
431         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
432 }
433
434 /*
435 ==============
436 SCR_DrawQWDownload
437 ==============
438 */
439 static int SCR_DrawQWDownload(int offset)
440 {
441         int len;
442         float x, y;
443         float size = 8;
444         char temp[256];
445         if (!cls.qw_downloadname[0])
446         {
447                 cls.qw_downloadspeedrate = 0;
448                 cls.qw_downloadspeedtime = realtime;
449                 cls.qw_downloadspeedcount = 0;
450                 return 0;
451         }
452         if (realtime >= cls.qw_downloadspeedtime + 1)
453         {
454                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
455                 cls.qw_downloadspeedtime = realtime;
456                 cls.qw_downloadspeedcount = 0;
457         }
458         if (cls.protocol == PROTOCOL_QUAKEWORLD)
459                 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);
460         else
461                 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);
462         len = (int)strlen(temp);
463         x = (vid_conwidth.integer - len*size) / 2;
464         y = vid_conheight.integer - size - offset;
465         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 0.5, 0);
466         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true);
467         return 8;
468 }
469
470 /*
471 ==============
472 SCR_DrawCurlDownload
473 ==============
474 */
475 static int SCR_DrawCurlDownload(int offset)
476 {
477         int len;
478         int nDownloads;
479         int i;
480         float x, y;
481         float size = 8;
482         Curl_downloadinfo_t *downinfo;
483         char temp[256];
484         const char *addinfo;
485
486         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
487         if(!downinfo)
488                 return 0;
489
490         y = vid_conheight.integer - size * nDownloads - offset;
491
492         if(addinfo)
493         {
494                 len = (int)strlen(addinfo);
495                 x = (vid_conwidth.integer - len*size) / 2;
496                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, 0.8, 0);
497                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true);
498         }
499
500         for(i = 0; i != nDownloads; ++i)
501         {
502                 if(downinfo[i].queued)
503                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
504                 else if(downinfo[i].progress <= 0)
505                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
506                 else
507                         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);
508                 len = (int)strlen(temp);
509                 x = (vid_conwidth.integer - len*size) / 2;
510                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, 0.8, 0);
511                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true);
512         }
513
514         Z_Free(downinfo);
515
516         return 8 * (nDownloads + (addinfo ? 1 : 0));
517 }
518
519 /*
520 ==============
521 SCR_DrawDownload
522 ==============
523 */
524 static void SCR_DrawDownload()
525 {
526         int offset = 0;
527         offset += SCR_DrawQWDownload(offset);
528         offset += SCR_DrawCurlDownload(offset);
529 }
530
531 //=============================================================================
532
533 /*
534 ==================
535 SCR_SetUpToDrawConsole
536 ==================
537 */
538 void SCR_SetUpToDrawConsole (void)
539 {
540         // lines of console to display
541         float conlines;
542         static int framecounter = 0;
543
544         Con_CheckResize ();
545
546         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
547         {
548                 if (framecounter >= 2)
549                         MR_ToggleMenu_f();
550                 else
551                         framecounter++;
552         }
553         else
554                 framecounter = 0;
555
556         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
557                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
558         else
559                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
560
561 // decide on the height of the console
562         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
563                 conlines = vid_conheight.integer/2;     // half screen
564         else
565                 conlines = 0;                           // none visible
566
567         scr_con_current = conlines;
568 }
569
570 /*
571 ==================
572 SCR_DrawConsole
573 ==================
574 */
575 void SCR_DrawConsole (void)
576 {
577         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
578         {
579                 // full screen
580                 Con_DrawConsole (vid_conheight.integer);
581         }
582         else if (scr_con_current)
583                 Con_DrawConsole ((int)scr_con_current);
584         else
585         {
586                 con_vislines = 0;
587                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
588                         Con_DrawNotify ();      // only draw notify in game
589         }
590 }
591
592 /*
593 ===============
594 SCR_BeginLoadingPlaque
595
596 ================
597 */
598 void SCR_BeginLoadingPlaque (void)
599 {
600         // save console log up to this point to log_file if it was set by configs
601         Log_Start();
602
603         Host_StartVideo();
604         SCR_UpdateLoadingScreen(false);
605 }
606
607 //=============================================================================
608
609 char r_speeds_string[1024];
610 int speedstringcount, r_timereport_active;
611 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
612
613 void R_TimeReport(char *desc)
614 {
615         char tempbuf[256];
616         int length;
617         int t;
618
619         if (r_speeds.integer < 2 || !r_timereport_active)
620                 return;
621
622         CHECKGLERROR
623         qglFinish();CHECKGLERROR
624         r_timereport_temp = r_timereport_current;
625         r_timereport_current = Sys_DoubleTime();
626         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
627
628         dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %-11s", t, desc);
629         length = (int)strlen(tempbuf);
630         if (speedstringcount + length > (vid_conwidth.integer / 8))
631         {
632                 strlcat(r_speeds_string, "\n", sizeof(r_speeds_string));
633                 speedstringcount = 0;
634         }
635         strlcat(r_speeds_string, tempbuf, sizeof(r_speeds_string));
636         speedstringcount += length;
637 }
638
639 void R_TimeReport_Frame(void)
640 {
641         int i, j, lines, y;
642         cl_locnode_t *loc;
643
644         if (r_speeds_string[0])
645         {
646                 if (r_timereport_active)
647                 {
648                         r_timereport_current = r_timereport_start;
649                         R_TimeReport("total");
650                 }
651
652                 if (r_speeds_string[strlen(r_speeds_string)-1] == '\n')
653                         r_speeds_string[strlen(r_speeds_string)-1] = 0;
654                 lines = 1;
655                 for (i = 0;r_speeds_string[i];i++)
656                         if (r_speeds_string[i] == '\n')
657                                 lines++;
658                 y = vid_conheight.integer - sb_lines - lines * 8;
659                 i = j = 0;
660                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
661                 while (r_speeds_string[i])
662                 {
663                         j = i;
664                         while (r_speeds_string[i] && r_speeds_string[i] != '\n')
665                                 i++;
666                         if (i - j > 0)
667                                 DrawQ_String(0, y, r_speeds_string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true);
668                         if (r_speeds_string[i] == '\n')
669                                 i++;
670                         y += 8;
671                 }
672                 r_speeds_string[0] = 0;
673                 r_timereport_active = false;
674         }
675         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
676         {
677                 speedstringcount = 0;
678                 r_speeds_string[0] = 0;
679                 r_timereport_active = false;
680                 // put the location name in the r_speeds display as it greatly helps
681                 // when creating loc files
682                 loc = CL_Locs_FindNearest(cl.movement_origin);
683                 if (loc)
684                         sprintf(r_speeds_string + strlen(r_speeds_string), "Location: %s\n", loc->name);
685                 sprintf(r_speeds_string + strlen(r_speeds_string), "org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n", r_view.origin[0], r_view.origin[1], r_view.origin[2], r_view.forward[0], r_view.forward[1], r_view.forward[2]);
686                 sprintf(r_speeds_string + strlen(r_speeds_string), "%5i entities%6i surfaces%6i triangles%5i leafs%5i portals%6i particles\n", r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles, r_refdef.stats.world_leafs, r_refdef.stats.world_portals, r_refdef.stats.particles);
687                 sprintf(r_speeds_string + strlen(r_speeds_string), "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n", 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);
688                 if (r_refdef.stats.bloom)
689                         sprintf(r_speeds_string + strlen(r_speeds_string), "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels);
690                 else
691                         sprintf(r_speeds_string + strlen(r_speeds_string), "rendered%6i meshes%8i triangles\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3);
692
693                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
694
695                 if (r_speeds.integer >= 2)
696                 {
697                         r_timereport_active = true;
698                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
699                 }
700         }
701 }
702
703 /*
704 =================
705 SCR_SizeUp_f
706
707 Keybinding command
708 =================
709 */
710 void SCR_SizeUp_f (void)
711 {
712         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
713 }
714
715
716 /*
717 =================
718 SCR_SizeDown_f
719
720 Keybinding command
721 =================
722 */
723 void SCR_SizeDown_f (void)
724 {
725         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
726 }
727
728 void SCR_CaptureVideo_EndVideo(void);
729 void CL_Screen_Shutdown(void)
730 {
731         SCR_CaptureVideo_EndVideo();
732 }
733
734 void CL_Screen_Init(void)
735 {
736         Cvar_RegisterVariable (&scr_fov);
737         Cvar_RegisterVariable (&scr_viewsize);
738         Cvar_RegisterVariable (&scr_conalpha);
739         Cvar_RegisterVariable (&scr_conbrightness);
740         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
741         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
742         Cvar_RegisterVariable (&scr_showram);
743         Cvar_RegisterVariable (&scr_showturtle);
744         Cvar_RegisterVariable (&scr_showpause);
745         Cvar_RegisterVariable (&scr_showbrand);
746         Cvar_RegisterVariable (&scr_centertime);
747         Cvar_RegisterVariable (&scr_printspeed);
748         Cvar_RegisterVariable (&vid_conwidth);
749         Cvar_RegisterVariable (&vid_conheight);
750         Cvar_RegisterVariable (&vid_pixelheight);
751         Cvar_RegisterVariable (&scr_screenshot_jpeg);
752         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
753         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
754         Cvar_RegisterVariable (&cl_capturevideo);
755         Cvar_RegisterVariable (&cl_capturevideo_width);
756         Cvar_RegisterVariable (&cl_capturevideo_height);
757         Cvar_RegisterVariable (&cl_capturevideo_realtime);
758         Cvar_RegisterVariable (&cl_capturevideo_fps);
759         Cvar_RegisterVariable (&cl_capturevideo_number);
760         Cvar_RegisterVariable (&r_letterbox);
761         Cvar_RegisterVariable(&r_stereo_separation);
762         Cvar_RegisterVariable(&r_stereo_sidebyside);
763         Cvar_RegisterVariable(&r_stereo_redblue);
764         Cvar_RegisterVariable(&r_stereo_redcyan);
765         Cvar_RegisterVariable(&r_stereo_redgreen);
766         Cvar_RegisterVariable(&r_stereo_angle);
767         Cvar_RegisterVariable(&scr_zoomwindow);
768         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
769         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
770         Cvar_RegisterVariable(&scr_zoomwindow_fov);
771         Cvar_RegisterVariable(&scr_stipple);
772         Cvar_RegisterVariable(&scr_refresh);
773         Cvar_RegisterVariable(&shownetgraph);
774
775         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
776         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
777         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
778         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
779
780         scr_initialized = true;
781 }
782
783 /*
784 ==================
785 SCR_ScreenShot_f
786 ==================
787 */
788 void SCR_ScreenShot_f (void)
789 {
790         static int shotnumber;
791         static char oldname[MAX_QPATH];
792         char base[MAX_QPATH];
793         char filename[MAX_QPATH];
794         unsigned char *buffer1;
795         unsigned char *buffer2;
796         unsigned char *buffer3;
797         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
798
799         sprintf (base, "screenshots/%s", scr_screenshot_name.string);
800
801         if (strcmp (oldname, scr_screenshot_name.string))
802         {
803                 sprintf(oldname, "%s", scr_screenshot_name.string);
804                 shotnumber = 0;
805         }
806
807         // find a file name to save it to
808         for (;shotnumber < 1000000;shotnumber++)
809                 if (!FS_SysFileExists(va("%s/%s%06d.tga", fs_gamedir, base, shotnumber)) && !FS_SysFileExists(va("%s/%s%06d.jpg", fs_gamedir, base, shotnumber)))
810                         break;
811         if (shotnumber >= 1000000)
812         {
813                 Con_Print("SCR_ScreenShot_f: Couldn't create the image file\n");
814                 return;
815         }
816
817         sprintf(filename, "%s%06d.%s", base, shotnumber, jpeg ? "jpg" : "tga");
818
819         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
820         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
821         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
822
823         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
824                 Con_Printf("Wrote %s\n", filename);
825         else
826                 Con_Printf("unable to write %s\n", filename);
827
828         Mem_Free (buffer1);
829         Mem_Free (buffer2);
830         Mem_Free (buffer3);
831
832         shotnumber++;
833 }
834
835 static void SCR_CaptureVideo_RIFF_Start(void)
836 {
837         memset(&cls.capturevideo.riffbuffer, 0, sizeof(sizebuf_t));
838         cls.capturevideo.riffbuffer.maxsize = sizeof(cls.capturevideo.riffbufferdata);
839         cls.capturevideo.riffbuffer.data = cls.capturevideo.riffbufferdata;
840 }
841
842 static void SCR_CaptureVideo_RIFF_Flush(void)
843 {
844         if (cls.capturevideo.riffbuffer.cursize > 0)
845         {
846                 if (!FS_Write(cls.capturevideo.videofile, cls.capturevideo.riffbuffer.data, cls.capturevideo.riffbuffer.cursize))
847                         cls.capturevideo.error = true;
848                 cls.capturevideo.riffbuffer.cursize = 0;
849                 cls.capturevideo.riffbuffer.overflowed = false;
850         }
851 }
852
853 static void SCR_CaptureVideo_RIFF_WriteBytes(const unsigned char *data, size_t size)
854 {
855         SCR_CaptureVideo_RIFF_Flush();
856         if (!FS_Write(cls.capturevideo.videofile, data, size))
857                 cls.capturevideo.error = true;
858 }
859
860 static void SCR_CaptureVideo_RIFF_Write32(int n)
861 {
862         if (cls.capturevideo.riffbuffer.cursize + 4 > cls.capturevideo.riffbuffer.maxsize)
863                 SCR_CaptureVideo_RIFF_Flush();
864         MSG_WriteLong(&cls.capturevideo.riffbuffer, n);
865 }
866
867 static void SCR_CaptureVideo_RIFF_Write16(int n)
868 {
869         if (cls.capturevideo.riffbuffer.cursize + 2 > cls.capturevideo.riffbuffer.maxsize)
870                 SCR_CaptureVideo_RIFF_Flush();
871         MSG_WriteShort(&cls.capturevideo.riffbuffer, n);
872 }
873
874 static void SCR_CaptureVideo_RIFF_WriteFourCC(const char *chunkfourcc)
875 {
876         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(chunkfourcc) > cls.capturevideo.riffbuffer.maxsize)
877                 SCR_CaptureVideo_RIFF_Flush();
878         MSG_WriteUnterminatedString(&cls.capturevideo.riffbuffer, chunkfourcc);
879 }
880
881 static void SCR_CaptureVideo_RIFF_WriteTerminatedString(const char *string)
882 {
883         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(string) > cls.capturevideo.riffbuffer.maxsize)
884                 SCR_CaptureVideo_RIFF_Flush();
885         MSG_WriteString(&cls.capturevideo.riffbuffer, string);
886 }
887
888 static fs_offset_t SCR_CaptureVideo_RIFF_GetPosition(void)
889 {
890         SCR_CaptureVideo_RIFF_Flush();
891         return FS_Tell(cls.capturevideo.videofile);
892 }
893
894 static void SCR_CaptureVideo_RIFF_Push(const char *chunkfourcc, const char *listtypefourcc)
895 {
896         SCR_CaptureVideo_RIFF_WriteFourCC(chunkfourcc);
897         SCR_CaptureVideo_RIFF_Write32(0);
898         SCR_CaptureVideo_RIFF_Flush();
899         cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel++] = SCR_CaptureVideo_RIFF_GetPosition();
900         if (listtypefourcc)
901                 SCR_CaptureVideo_RIFF_WriteFourCC(listtypefourcc);
902 }
903
904 static void SCR_CaptureVideo_RIFF_Pop(void)
905 {
906         fs_offset_t offset;
907         int x;
908         unsigned char sizebytes[4];
909         // write out the chunk size and then return to the current file position
910         cls.capturevideo.riffstacklevel--;
911         offset = SCR_CaptureVideo_RIFF_GetPosition();
912         x = (int)(offset - (cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel]));
913         sizebytes[0] = (x) & 0xff;sizebytes[1] = (x >> 8) & 0xff;sizebytes[2] = (x >> 16) & 0xff;sizebytes[3] = (x >> 24) & 0xff;
914         FS_Seek(cls.capturevideo.videofile, -(x + 4), SEEK_END);
915         FS_Write(cls.capturevideo.videofile, sizebytes, 4);
916         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
917         if (offset & 1)
918         {
919                 unsigned char c = 0;
920                 FS_Write(cls.capturevideo.videofile, &c, 1);
921         }
922 }
923
924 static void GrowBuf(sizebuf_t *buf, int extralen)
925 {
926         if(buf->cursize + extralen > buf->maxsize)
927         {
928                 int oldsize = buf->maxsize;
929                 unsigned char *olddata;
930                 olddata = buf->data;
931                 buf->maxsize = max(buf->maxsize * 2, 4096);
932                 buf->data = Mem_Alloc(tempmempool, buf->maxsize);
933                 if(olddata)
934                 {
935                         memcpy(buf->data, olddata, oldsize);
936                         Mem_Free(olddata);
937                 }
938         }
939 }
940
941 static void SCR_CaptureVideo_RIFF_IndexEntry(const char *chunkfourcc, int chunksize, int flags)
942 {
943         if (cls.capturevideo.riffstacklevel != 2)
944                 Sys_Error("SCR_Capturevideo_RIFF_IndexEntry: RIFF stack level is %i (should be 2)\n", cls.capturevideo.riffstacklevel);
945         GrowBuf(&cls.capturevideo.riffindexbuffer, 16);
946         SCR_CaptureVideo_RIFF_Flush();
947         MSG_WriteUnterminatedString(&cls.capturevideo.riffindexbuffer, chunkfourcc);
948         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, flags);
949         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, (int)FS_Tell(cls.capturevideo.videofile) - cls.capturevideo.riffstackstartoffset[1]);
950         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, chunksize);
951 }
952
953 static void SCR_CaptureVideo_RIFF_MakeIxChunk(const char *fcc, const char *dwChunkId, fs_offset_t masteridx_counter, int *masteridx_count, fs_offset_t masteridx_start)
954 {
955         int nMatching;
956         int i;
957         fs_offset_t ix = SCR_CaptureVideo_RIFF_GetPosition();
958         fs_offset_t pos;
959
960         if(*masteridx_count >= AVI_MASTER_INDEX_SIZE)
961                 return;
962
963         nMatching = 0; // go through index and enumerate them
964         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
965                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
966                         ++nMatching;
967
968         SCR_CaptureVideo_RIFF_Push(fcc, NULL);
969         SCR_CaptureVideo_RIFF_Write16(2); // wLongsPerEntry
970         SCR_CaptureVideo_RIFF_Write16(0x0100); // bIndexType=1, bIndexSubType=0
971         SCR_CaptureVideo_RIFF_Write32(nMatching); // nEntriesInUse
972         SCR_CaptureVideo_RIFF_WriteFourCC(dwChunkId); // dwChunkId
973         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.videofile_ix_movistart & (fs_offset_t) 0xFFFFFFFFu);
974         SCR_CaptureVideo_RIFF_Write32(((long long) cls.capturevideo.videofile_ix_movistart) >> 32);
975         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved
976
977         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
978                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
979                 {
980                         unsigned int *p = (unsigned int *) (cls.capturevideo.riffindexbuffer.data + i);
981                         unsigned int flags = p[1];
982                         unsigned int rpos = p[2];
983                         unsigned int size = p[3];
984                         size &= ~0x80000000;
985                         if(!(flags & 0x10)) // no keyframe?
986                                 size |= 0x80000000;
987                         SCR_CaptureVideo_RIFF_Write32(rpos + 8);
988                         SCR_CaptureVideo_RIFF_Write32(size);
989                 }
990
991         SCR_CaptureVideo_RIFF_Pop();
992         pos = SCR_CaptureVideo_RIFF_GetPosition();
993         SCR_CaptureVideo_RIFF_Flush();
994
995         FS_Seek(cls.capturevideo.videofile, masteridx_start + 16 * *masteridx_count, SEEK_SET);
996         SCR_CaptureVideo_RIFF_Write32(ix & (fs_offset_t) 0xFFFFFFFFu);
997         SCR_CaptureVideo_RIFF_Write32(((long long) ix) >> 32);
998         SCR_CaptureVideo_RIFF_Write32(pos - ix);
999         SCR_CaptureVideo_RIFF_Write32(nMatching);
1000         SCR_CaptureVideo_RIFF_Flush();
1001
1002         FS_Seek(cls.capturevideo.videofile, masteridx_counter, SEEK_SET);
1003         SCR_CaptureVideo_RIFF_Write32(++*masteridx_count);
1004         SCR_CaptureVideo_RIFF_Flush();
1005
1006         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1007 }
1008
1009 static void SCR_CaptureVideo_RIFF_Finish(qboolean final)
1010 {
1011         // close the "movi" list
1012         SCR_CaptureVideo_RIFF_Pop();
1013         if(cls.capturevideo.videofile_ix_master_video_inuse_offset)
1014                 SCR_CaptureVideo_RIFF_MakeIxChunk("ix00", "00dc", cls.capturevideo.videofile_ix_master_video_inuse_offset, &cls.capturevideo.videofile_ix_master_video_inuse, cls.capturevideo.videofile_ix_master_video_start_offset);
1015         if(cls.capturevideo.videofile_ix_master_audio_inuse_offset)
1016                 SCR_CaptureVideo_RIFF_MakeIxChunk("ix01", "01wb", cls.capturevideo.videofile_ix_master_audio_inuse_offset, &cls.capturevideo.videofile_ix_master_audio_inuse, cls.capturevideo.videofile_ix_master_audio_start_offset);
1017         // write the idx1 chunk that we've been building while saving the frames (for old style players)
1018         if(final && cls.capturevideo.videofile_firstchunkframes_offset)
1019         // TODO replace index creating by OpenDML ix##/##ix/indx chunk so it works for more than one AVI part too
1020         {
1021                 SCR_CaptureVideo_RIFF_Push("idx1", NULL);
1022                 SCR_CaptureVideo_RIFF_WriteBytes(cls.capturevideo.riffindexbuffer.data, cls.capturevideo.riffindexbuffer.cursize);
1023                 SCR_CaptureVideo_RIFF_Pop();
1024         }
1025         cls.capturevideo.riffindexbuffer.cursize = 0;
1026         // pop the RIFF chunk itself
1027         while (cls.capturevideo.riffstacklevel > 0)
1028                 SCR_CaptureVideo_RIFF_Pop();
1029         SCR_CaptureVideo_RIFF_Flush();
1030         if(cls.capturevideo.videofile_firstchunkframes_offset)
1031         {
1032                 Con_DPrintf("Finishing first chunk (%d frames)\n", cls.capturevideo.frame);
1033                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_firstchunkframes_offset, SEEK_SET);
1034                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1035                 SCR_CaptureVideo_RIFF_Flush();
1036                 FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1037                 cls.capturevideo.videofile_firstchunkframes_offset = 0;
1038         }
1039         else
1040                 Con_DPrintf("Finishing another chunk (%d frames)\n", cls.capturevideo.frame);
1041 }
1042
1043 static void SCR_CaptureVideo_RIFF_OverflowCheck(int framesize)
1044 {
1045         fs_offset_t cursize, curfilesize;
1046         if (cls.capturevideo.riffstacklevel != 2)
1047                 Sys_Error("SCR_CaptureVideo_RIFF_OverflowCheck: chunk stack leakage!\n");
1048         // check where we are in the file
1049         SCR_CaptureVideo_RIFF_Flush();
1050         cursize = SCR_CaptureVideo_RIFF_GetPosition() - cls.capturevideo.riffstackstartoffset[0];
1051         curfilesize = SCR_CaptureVideo_RIFF_GetPosition();
1052
1053         // if this would overflow the windows limit of 1GB per RIFF chunk, we need
1054         // to close the current RIFF chunk and open another for future frames
1055         if (8 + cursize + framesize + cls.capturevideo.riffindexbuffer.cursize + 8 + cls.capturevideo.riffindexbuffer.cursize + 64 > 1<<30) // note that the Ix buffer takes less space... I just don't dare to / 2 here now... sorry, maybe later
1056         {
1057                 SCR_CaptureVideo_RIFF_Finish(false);
1058                 // begin a new 1GB extended section of the AVI
1059                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVIX");
1060                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1061                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1062         }
1063 }
1064
1065 static void FindFraction(double val, int *num, int *denom, int denomMax)
1066 {
1067         int i;
1068         double bestdiff;
1069         // initialize
1070         bestdiff = fabs(val);
1071         *num = 0;
1072         *denom = 1;
1073
1074         for(i = 1; i <= denomMax; ++i)
1075         {
1076                 int inum = floor(0.5 + val * i);
1077                 double diff = fabs(val - inum / (double)i);
1078                 if(diff < bestdiff)
1079                 {
1080                         bestdiff = diff;
1081                         *num = inum;
1082                         *denom = i;
1083                 }
1084         }
1085 }
1086
1087 void SCR_CaptureVideo_BeginVideo(void)
1088 {
1089         double gamma, g, aspect;
1090         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1091         int n, d;
1092         unsigned int i;
1093         if (cls.capturevideo.active)
1094                 return;
1095         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1096         // soundrate is figured out on the first SoundFrame
1097
1098         if(width == 0 && height != 0)
1099                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1100         if(width != 0 && height == 0)
1101                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1102
1103         if(width < 2 || width > vid.width) // can't scale up
1104                 width = vid.width;
1105         if(height < 2 || height > vid.height) // can't scale up
1106                 height = vid.height;
1107
1108         aspect = vid.width / (vid.height * vid_pixelheight.value);
1109
1110         // ensure it's all even; if not, scale down a little
1111         if(width % 1)
1112                 --width;
1113         if(height % 1)
1114                 --height;
1115
1116         cls.capturevideo.width = width;
1117         cls.capturevideo.height = height;
1118         cls.capturevideo.active = true;
1119         cls.capturevideo.starttime = realtime;
1120         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1000);
1121         cls.capturevideo.soundrate = S_GetSoundRate();
1122         cls.capturevideo.frame = 0;
1123         cls.capturevideo.soundsampleframe = 0;
1124         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1125         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1126         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (3+3+3) + 18);
1127         gamma = 1.0/scr_screenshot_gammaboost.value;
1128         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/dpvideo%03i", cl_capturevideo_number.integer);
1129         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1130
1131         /*
1132         for (i = 0;i < 256;i++)
1133         {
1134                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1135                 cls.capturevideo.rgbgammatable[0][i] = j;
1136                 cls.capturevideo.rgbgammatable[1][i] = j;
1137                 cls.capturevideo.rgbgammatable[2][i] = j;
1138         }
1139         */
1140 /*
1141 R = Y + 1.4075 * (Cr - 128);
1142 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1143 B = Y + 1.7790 * (Cb - 128);
1144 Y = R *  .299 + G *  .587 + B *  .114;
1145 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1146 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1147 */
1148         for (i = 0;i < 256;i++)
1149         {
1150                 g = 255*pow(i/255.0, gamma);
1151                 // Y weights from RGB
1152                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(g *  0.299);
1153                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1154                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(g *  0.114);
1155                 // Cb weights from RGB
1156                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(g * -0.169);
1157                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1158                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(g *  0.500);
1159                 // Cr weights from RGB
1160                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(g *  0.500);
1161                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1162                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(g * -0.0813);
1163                 // range reduction of YCbCr to valid signal range
1164                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1165                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1166                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1167         }
1168
1169         //if (cl_capturevideo_)
1170         //{
1171         //}
1172         //else
1173         {
1174                 cls.capturevideo.format = CAPTUREVIDEOFORMAT_AVI_I420;
1175                 cls.capturevideo.videofile = FS_Open (va("%s.avi", cls.capturevideo.basename), "wb", false, true);
1176                 SCR_CaptureVideo_RIFF_Start();
1177                 // enclosing RIFF chunk (there can be multiple of these in >1GB files, the later ones are "AVIX" instead of "AVI " and have no header/stream info)
1178                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVI ");
1179                 // AVI main header
1180                 SCR_CaptureVideo_RIFF_Push("LIST", "hdrl");
1181                 SCR_CaptureVideo_RIFF_Push("avih", NULL);
1182                 SCR_CaptureVideo_RIFF_Write32((int)(1000000.0 / cls.capturevideo.framerate)); // microseconds per frame
1183                 SCR_CaptureVideo_RIFF_Write32(0); // max bytes per second
1184                 SCR_CaptureVideo_RIFF_Write32(0); // padding granularity
1185                 SCR_CaptureVideo_RIFF_Write32(0x910); // flags (AVIF_HASINDEX | AVIF_ISINTERLEAVED | AVIF_TRUSTCKTYPE)
1186                 cls.capturevideo.videofile_firstchunkframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1187                 SCR_CaptureVideo_RIFF_Write32(0); // total frames
1188                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1189                 if (cls.capturevideo.soundrate)
1190                         SCR_CaptureVideo_RIFF_Write32(2); // number of streams
1191                 else
1192                         SCR_CaptureVideo_RIFF_Write32(1); // number of streams
1193                 SCR_CaptureVideo_RIFF_Write32(0); // suggested buffer size
1194                 SCR_CaptureVideo_RIFF_Write32(width); // width
1195                 SCR_CaptureVideo_RIFF_Write32(height); // height
1196                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[0]
1197                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[1]
1198                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[2]
1199                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[3]
1200                 SCR_CaptureVideo_RIFF_Pop();
1201                 // video stream info
1202                 SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1203                 SCR_CaptureVideo_RIFF_Push("strh", "vids");
1204                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // stream fourcc (I420 colorspace, uncompressed)
1205                 SCR_CaptureVideo_RIFF_Write32(0); // flags
1206                 SCR_CaptureVideo_RIFF_Write16(0); // priority
1207                 SCR_CaptureVideo_RIFF_Write16(0); // language
1208                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1209                 // find an ideal divisor for the framerate
1210                 FindFraction(cls.capturevideo.framerate, &n, &d, 1000);
1211                 SCR_CaptureVideo_RIFF_Write32(d); // samples/second divisor
1212                 SCR_CaptureVideo_RIFF_Write32(n); // samples/second multiplied by divisor
1213                 SCR_CaptureVideo_RIFF_Write32(0); // start
1214                 cls.capturevideo.videofile_totalframes_offset1 = SCR_CaptureVideo_RIFF_GetPosition();
1215                 SCR_CaptureVideo_RIFF_Write32(0); // length
1216                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // suggested buffer size
1217                 SCR_CaptureVideo_RIFF_Write32(0); // quality
1218                 SCR_CaptureVideo_RIFF_Write32(0); // sample size
1219                 SCR_CaptureVideo_RIFF_Write16(0); // frame left
1220                 SCR_CaptureVideo_RIFF_Write16(0); // frame top
1221                 SCR_CaptureVideo_RIFF_Write16(width); // frame right
1222                 SCR_CaptureVideo_RIFF_Write16(height); // frame bottom
1223                 SCR_CaptureVideo_RIFF_Pop();
1224                 // video stream format
1225                 SCR_CaptureVideo_RIFF_Push("strf", NULL);
1226                 SCR_CaptureVideo_RIFF_Write32(40); // BITMAPINFO struct size
1227                 SCR_CaptureVideo_RIFF_Write32(width); // width
1228                 SCR_CaptureVideo_RIFF_Write32(height); // height
1229                 SCR_CaptureVideo_RIFF_Write16(3); // planes
1230                 SCR_CaptureVideo_RIFF_Write16(12); // bitcount
1231                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // compression
1232                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // size of image
1233                 SCR_CaptureVideo_RIFF_Write32(0); // x pixels per meter
1234                 SCR_CaptureVideo_RIFF_Write32(0); // y pixels per meter
1235                 SCR_CaptureVideo_RIFF_Write32(0); // color used
1236                 SCR_CaptureVideo_RIFF_Write32(0); // color important
1237                 SCR_CaptureVideo_RIFF_Pop();
1238                 // master index
1239                 SCR_CaptureVideo_RIFF_Push("indx", NULL);
1240                 SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1241                 SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1242                 cls.capturevideo.videofile_ix_master_video_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1243                 SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1244                 SCR_CaptureVideo_RIFF_WriteFourCC("00dc"); // dwChunkId
1245                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1246                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1247                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1248                 cls.capturevideo.videofile_ix_master_video_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1249                 for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1250                         SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1251                 SCR_CaptureVideo_RIFF_Pop();
1252                 // extended format (aspect!)
1253                 SCR_CaptureVideo_RIFF_Push("vprp", NULL);
1254                 SCR_CaptureVideo_RIFF_Write32(0); // VideoFormatToken
1255                 SCR_CaptureVideo_RIFF_Write32(0); // VideoStandard
1256                 SCR_CaptureVideo_RIFF_Write32((int)cls.capturevideo.framerate); // dwVerticalRefreshRate (bogus)
1257                 SCR_CaptureVideo_RIFF_Write32(width); // dwHTotalInT
1258                 SCR_CaptureVideo_RIFF_Write32(height); // dwVTotalInLines
1259                 FindFraction(aspect, &n, &d, 1000);
1260                 SCR_CaptureVideo_RIFF_Write32((n << 16) | d); // dwFrameAspectRatio // TODO a word
1261                 SCR_CaptureVideo_RIFF_Write32(width); // dwFrameWidthInPixels
1262                 SCR_CaptureVideo_RIFF_Write32(height); // dwFrameHeightInLines
1263                 SCR_CaptureVideo_RIFF_Write32(1); // nFieldPerFrame
1264                 SCR_CaptureVideo_RIFF_Write32(width); // CompressedBMWidth
1265                 SCR_CaptureVideo_RIFF_Write32(height); // CompressedBMHeight
1266                 SCR_CaptureVideo_RIFF_Write32(width); // ValidBMHeight
1267                 SCR_CaptureVideo_RIFF_Write32(height); // ValidBMWidth
1268                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffset
1269                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYOffset
1270                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffsetInT
1271                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYValidStartLine
1272                 SCR_CaptureVideo_RIFF_Pop();
1273                 SCR_CaptureVideo_RIFF_Pop();
1274                 if (cls.capturevideo.soundrate)
1275                 {
1276                         // audio stream info
1277                         SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1278                         SCR_CaptureVideo_RIFF_Push("strh", "auds");
1279                         SCR_CaptureVideo_RIFF_Write32(1); // stream fourcc (PCM audio, uncompressed)
1280                         SCR_CaptureVideo_RIFF_Write32(0); // flags
1281                         SCR_CaptureVideo_RIFF_Write16(0); // priority
1282                         SCR_CaptureVideo_RIFF_Write16(0); // language
1283                         SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1284                         SCR_CaptureVideo_RIFF_Write32(1); // samples/second divisor
1285                         SCR_CaptureVideo_RIFF_Write32((int)(cls.capturevideo.soundrate)); // samples/second multiplied by divisor
1286                         SCR_CaptureVideo_RIFF_Write32(0); // start
1287                         cls.capturevideo.videofile_totalsampleframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1288                         SCR_CaptureVideo_RIFF_Write32(0); // length
1289                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 2); // suggested buffer size (this is a half second)
1290                         SCR_CaptureVideo_RIFF_Write32(0); // quality
1291                         SCR_CaptureVideo_RIFF_Write32(4); // sample size
1292                         SCR_CaptureVideo_RIFF_Write16(0); // frame left
1293                         SCR_CaptureVideo_RIFF_Write16(0); // frame top
1294                         SCR_CaptureVideo_RIFF_Write16(0); // frame right
1295                         SCR_CaptureVideo_RIFF_Write16(0); // frame bottom
1296                         SCR_CaptureVideo_RIFF_Pop();
1297                         // audio stream format
1298                         SCR_CaptureVideo_RIFF_Push("strf", NULL);
1299                         SCR_CaptureVideo_RIFF_Write16(1); // format (uncompressed PCM?)
1300                         SCR_CaptureVideo_RIFF_Write16(2); // channels (stereo)
1301                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate); // sampleframes per second
1302                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 4); // average bytes per second
1303                         SCR_CaptureVideo_RIFF_Write16(4); // block align
1304                         SCR_CaptureVideo_RIFF_Write16(16); // bits per sample
1305                         SCR_CaptureVideo_RIFF_Write16(0); // size
1306                         SCR_CaptureVideo_RIFF_Pop();
1307                         // master index
1308                         SCR_CaptureVideo_RIFF_Push("indx", NULL);
1309                         SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1310                         SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1311                         cls.capturevideo.videofile_ix_master_audio_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1312                         SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1313                         SCR_CaptureVideo_RIFF_WriteFourCC("01wb"); // dwChunkId
1314                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1315                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1316                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1317                         cls.capturevideo.videofile_ix_master_audio_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1318                         for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1319                                 SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1320                         SCR_CaptureVideo_RIFF_Pop();
1321                         SCR_CaptureVideo_RIFF_Pop();
1322                 }
1323
1324                 cls.capturevideo.videofile_ix_master_audio_inuse = cls.capturevideo.videofile_ix_master_video_inuse = 0;
1325
1326                 // extended header (for total #frames)
1327                 SCR_CaptureVideo_RIFF_Push("LIST", "odml");
1328                 SCR_CaptureVideo_RIFF_Push("dmlh", NULL);
1329                 cls.capturevideo.videofile_totalframes_offset2 = SCR_CaptureVideo_RIFF_GetPosition();
1330                 SCR_CaptureVideo_RIFF_Write32(0);
1331                 SCR_CaptureVideo_RIFF_Pop();
1332                 SCR_CaptureVideo_RIFF_Pop();
1333
1334                 // close the AVI header list
1335                 SCR_CaptureVideo_RIFF_Pop();
1336                 // software that produced this AVI video file
1337                 SCR_CaptureVideo_RIFF_Push("LIST", "INFO");
1338                 SCR_CaptureVideo_RIFF_Push("ISFT", NULL);
1339                 SCR_CaptureVideo_RIFF_WriteTerminatedString(engineversion);
1340                 SCR_CaptureVideo_RIFF_Pop();
1341                 // enable this junk filler if you like the LIST movi to always begin at 4KB in the file (why?)
1342 #if 0
1343                 SCR_CaptureVideo_RIFF_Push("JUNK", NULL);
1344                 x = 4096 - SCR_CaptureVideo_RIFF_GetPosition();
1345                 while (x > 0)
1346                 {
1347                         const char *junkfiller = "[ DarkPlaces junk data ]";
1348                         int i = min(x, (int)strlen(junkfiller));
1349                         SCR_CaptureVideo_RIFF_WriteBytes((const unsigned char *)junkfiller, i);
1350                         x -= i;
1351                 }
1352                 SCR_CaptureVideo_RIFF_Pop();
1353 #endif
1354                 SCR_CaptureVideo_RIFF_Pop();
1355                 // begin the actual video section now
1356                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1357                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1358                 // we're done with the headers now...
1359                 SCR_CaptureVideo_RIFF_Flush();
1360                 if (cls.capturevideo.riffstacklevel != 2)
1361                         Sys_Error("SCR_CaptureVideo_BeginVideo: broken AVI writing code (stack level is %i (should be 2) at end of headers)\n", cls.capturevideo.riffstacklevel);
1362         }
1363
1364         switch(cls.capturevideo.format)
1365         {
1366         case CAPTUREVIDEOFORMAT_AVI_I420:
1367                 break;
1368         default:
1369                 break;
1370         }
1371 }
1372
1373 void SCR_CaptureVideo_EndVideo(void)
1374 {
1375         if (!cls.capturevideo.active)
1376                 return;
1377         cls.capturevideo.active = false;
1378         if (cls.capturevideo.videofile)
1379         {
1380                 switch(cls.capturevideo.format)
1381                 {
1382                 case CAPTUREVIDEOFORMAT_AVI_I420:
1383                         // close any open chunks
1384                         SCR_CaptureVideo_RIFF_Finish(true);
1385                         // go back and fix the video frames and audio samples fields
1386                         Con_DPrintf("Finishing capture (%d frames, %d audio frames)\n", cls.capturevideo.frame, cls.capturevideo.soundsampleframe);
1387                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset1, SEEK_SET);
1388                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1389                         SCR_CaptureVideo_RIFF_Flush();
1390                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset2, SEEK_SET);
1391                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1392                         SCR_CaptureVideo_RIFF_Flush();
1393                         if (cls.capturevideo.soundrate)
1394                         {
1395                                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalsampleframes_offset, SEEK_SET);
1396                                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundsampleframe);
1397                                 SCR_CaptureVideo_RIFF_Flush();
1398                         }
1399                         break;
1400                 default:
1401                         break;
1402                 }
1403                 FS_Close(cls.capturevideo.videofile);
1404                 cls.capturevideo.videofile = NULL;
1405         }
1406
1407         if (cls.capturevideo.screenbuffer)
1408         {
1409                 Mem_Free (cls.capturevideo.screenbuffer);
1410                 cls.capturevideo.screenbuffer = NULL;
1411         }
1412
1413         if (cls.capturevideo.outbuffer)
1414         {
1415                 Mem_Free (cls.capturevideo.outbuffer);
1416                 cls.capturevideo.outbuffer = NULL;
1417         }
1418
1419         if (cls.capturevideo.riffindexbuffer.data)
1420         {
1421                 Mem_Free(cls.capturevideo.riffindexbuffer.data);
1422                 cls.capturevideo.riffindexbuffer.data = NULL;
1423         }
1424
1425         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1426 }
1427
1428 // converts from RGB24 to I420 colorspace (identical to YV12 except chroma plane order is reversed), this colorspace is handled by the Intel(r) 4:2:0 codec on Windows
1429 void SCR_CaptureVideo_ConvertFrame_RGB_to_I420_flip(int width, int height, unsigned char *instart, unsigned char *outstart)
1430 {
1431         int x, y;
1432         int outoffset = (width/2)*(height/2);
1433         unsigned char *b, *out;
1434         // process one line at a time, and CbCr every other line at 2 pixel intervals
1435         for (y = 0;y < height;y++)
1436         {
1437                 // 1x1 Y
1438                 for (b = instart + (height-1-y)*width*3, out = outstart + y*width, x = 0;x < width;x++, b += 3, out++)
1439                         *out = cls.capturevideo.yuvnormalizetable[0][cls.capturevideo.rgbtoyuvscaletable[0][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[0][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[0][2][b[2]]];
1440                 if ((y & 1) == 0)
1441                 {
1442                         // 2x2 Cr and Cb planes
1443 #if 0
1444                         // low quality, no averaging
1445                         for (b = instart + (height-2-y)*width*3, out = outstart + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 6, out++)
1446                         {
1447                                 // Cr
1448                                 out[0        ] = cls.capturevideo.yuvnormalizetable[1][cls.capturevideo.rgbtoyuvscaletable[1][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[1][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[1][2][b[2]] + 128];
1449                                 // Cb
1450                                 out[outoffset] = cls.capturevideo.yuvnormalizetable[2][cls.capturevideo.rgbtoyuvscaletable[2][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[2][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[2][2][b[2]] + 128];
1451                         }
1452 #else
1453                         // high quality, averaging
1454                         int inpitch = width*3;
1455                         for (b = instart + (height-2-y)*width*3, out = outstart + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 6, out++)
1456                         {
1457                                 int blockr, blockg, blockb;
1458                                 blockr = (b[0] + b[3] + b[inpitch+0] + b[inpitch+3]) >> 2;
1459                                 blockg = (b[1] + b[4] + b[inpitch+1] + b[inpitch+4]) >> 2;
1460                                 blockb = (b[2] + b[5] + b[inpitch+2] + b[inpitch+5]) >> 2;
1461                                 // Cr
1462                                 out[0        ] = cls.capturevideo.yuvnormalizetable[1][cls.capturevideo.rgbtoyuvscaletable[1][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[1][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[1][2][blockb] + 128];
1463                                 // Cb
1464                                 out[outoffset] = cls.capturevideo.yuvnormalizetable[2][cls.capturevideo.rgbtoyuvscaletable[2][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[2][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[2][2][blockb] + 128];
1465                         }
1466 #endif
1467                 }
1468         }
1469 }
1470
1471 static void SCR_ScaleDown(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1472 {
1473         // TODO optimize this function
1474
1475         int x, y;
1476         float area;
1477
1478         // memcpy is faster than me
1479         if(inw == outw && inh == outh)
1480         {
1481                 memcpy(out, in, 3 * inw * inh);
1482                 return;
1483         }
1484
1485         // otherwise: a box filter
1486         area = (float)outw * (float)outh / (float)inw / (float)inh;
1487         for(y = 0; y < outh; ++y)
1488         {
1489                 float iny0 =  y    / (float)outh * inh; int iny0_i = floor(iny0);
1490                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = ceil(iny1);
1491                 for(x = 0; x < outw; ++x)
1492                 {
1493                         float inx0 =  x    / (float)outw * inw; int inx0_i = floor(inx0);
1494                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = ceil(inx1);
1495                         float r = 0, g = 0, b = 0;
1496                         int xx, yy;
1497
1498                         for(yy = iny0_i; yy < iny1_i; ++yy)
1499                         {
1500                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1501                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1502                                 {
1503                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1504                                         r += a * in[3*(xx + inw * yy)+0];
1505                                         g += a * in[3*(xx + inw * yy)+1];
1506                                         b += a * in[3*(xx + inw * yy)+2];
1507                                 }
1508                         }
1509
1510                         out[3*(x + outw * y)+0] = r * area;
1511                         out[3*(x + outw * y)+1] = g * area;
1512                         out[3*(x + outw * y)+2] = b * area;
1513                 }
1514         }
1515 }
1516
1517 qboolean SCR_CaptureVideo_VideoFrame(int newframenum)
1518 {
1519         int x = 0, y = 0, width = cls.capturevideo.width, height = cls.capturevideo.height;
1520         unsigned char *in, *out;
1521         CHECKGLERROR
1522         //return SCR_ScreenShot(filename, cls.capturevideo.buffer, cls.capturevideo.buffer + vid.width * vid.height * 3, cls.capturevideo.buffer + vid.width * vid.height * 6, 0, 0, vid.width, vid.height, false, false, false, jpeg, true);
1523         // speed is critical here, so do saving as directly as possible
1524         switch (cls.capturevideo.format)
1525         {
1526         case CAPTUREVIDEOFORMAT_AVI_I420:
1527                 // if there's no videofile we have to just give up, and abort saving
1528                 if (!cls.capturevideo.videofile)
1529                         return false;
1530                 // FIXME: width/height must be multiple of 2, enforce this?
1531                 qglReadPixels (x, y, vid.width, vid.height, GL_RGB, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1532                 SCR_ScaleDown (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1533                 in = cls.capturevideo.outbuffer;
1534                 out = cls.capturevideo.outbuffer + width*height*3;
1535                 SCR_CaptureVideo_ConvertFrame_RGB_to_I420_flip(width, height, in, out);
1536                 x = width*height+(width/2)*(height/2)*2;
1537                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1538                 for (;cls.capturevideo.frame < newframenum;cls.capturevideo.frame++)
1539                 {
1540                         SCR_CaptureVideo_RIFF_IndexEntry("00dc", x, 0x10); // AVIIF_KEYFRAME
1541                         SCR_CaptureVideo_RIFF_Push("00dc", NULL);
1542                         SCR_CaptureVideo_RIFF_WriteBytes(out, x);
1543                         SCR_CaptureVideo_RIFF_Pop();
1544                 }
1545                 return true;
1546         default:
1547                 return false;
1548         }
1549 }
1550
1551 void SCR_CaptureVideo_SoundFrame(unsigned char *bufstereo16le, size_t length, int rate)
1552 {
1553         int x;
1554         cls.capturevideo.soundrate = rate;
1555         cls.capturevideo.soundsampleframe += length;
1556         switch (cls.capturevideo.format)
1557         {
1558         case CAPTUREVIDEOFORMAT_AVI_I420:
1559                 x = length*4;
1560                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1561                 SCR_CaptureVideo_RIFF_IndexEntry("01wb", x, 0x10); // AVIIF_KEYFRAME
1562                 SCR_CaptureVideo_RIFF_Push("01wb", NULL);
1563                 SCR_CaptureVideo_RIFF_WriteBytes(bufstereo16le, x);
1564                 SCR_CaptureVideo_RIFF_Pop();
1565                 break;
1566         default:
1567                 break;
1568         }
1569 }
1570
1571 void SCR_CaptureVideo(void)
1572 {
1573         int newframenum;
1574         if (cl_capturevideo.integer && r_render.integer)
1575         {
1576                 if (!cls.capturevideo.active)
1577                         SCR_CaptureVideo_BeginVideo();
1578                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value)
1579                 {
1580                         Con_Printf("You can not change the video framerate while recording a video.\n");
1581                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate);
1582                 }
1583                 // for AVI saving we have to make sure that sound is saved before video
1584                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1585                         return;
1586                 if (cls.capturevideo.realtime)
1587                 {
1588                         // preserve sound sync by duplicating frames when running slow
1589                         newframenum = (int)((realtime - cls.capturevideo.starttime) * cls.capturevideo.framerate);
1590                 }
1591                 else
1592                         newframenum = cls.capturevideo.frame + 1;
1593                 // if falling behind more than one second, stop
1594                 if (newframenum - cls.capturevideo.frame > (int)ceil(cls.capturevideo.framerate))
1595                 {
1596                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1597                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1598                         SCR_CaptureVideo_EndVideo();
1599                         return;
1600                 }
1601                 // write frames
1602                 SCR_CaptureVideo_VideoFrame(newframenum);
1603                 if (cls.capturevideo.error)
1604                 {
1605                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1606                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1607                         SCR_CaptureVideo_EndVideo();
1608                 }
1609         }
1610         else if (cls.capturevideo.active)
1611                 SCR_CaptureVideo_EndVideo();
1612 }
1613
1614 /*
1615 ===============
1616 R_Envmap_f
1617
1618 Grab six views for environment mapping tests
1619 ===============
1620 */
1621 struct envmapinfo_s
1622 {
1623         float angles[3];
1624         char *name;
1625         qboolean flipx, flipy, flipdiagonaly;
1626 }
1627 envmapinfo[12] =
1628 {
1629         {{  0,   0, 0}, "rt", false, false, false},
1630         {{  0, 270, 0}, "ft", false, false, false},
1631         {{  0, 180, 0}, "lf", false, false, false},
1632         {{  0,  90, 0}, "bk", false, false, false},
1633         {{-90, 180, 0}, "up",  true,  true, false},
1634         {{ 90, 180, 0}, "dn",  true,  true, false},
1635
1636         {{  0,   0, 0}, "px",  true,  true,  true},
1637         {{  0,  90, 0}, "py", false,  true, false},
1638         {{  0, 180, 0}, "nx", false, false,  true},
1639         {{  0, 270, 0}, "ny",  true, false, false},
1640         {{-90, 180, 0}, "pz", false, false,  true},
1641         {{ 90, 180, 0}, "nz", false, false,  true}
1642 };
1643
1644 static void R_Envmap_f (void)
1645 {
1646         int j, size;
1647         char filename[MAX_QPATH], basename[MAX_QPATH];
1648         unsigned char *buffer1;
1649         unsigned char *buffer2;
1650         unsigned char *buffer3;
1651
1652         if (Cmd_Argc() != 3)
1653         {
1654                 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");
1655                 return;
1656         }
1657
1658         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1659         size = atoi(Cmd_Argv(2));
1660         if (size != 128 && size != 256 && size != 512 && size != 1024)
1661         {
1662                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1663                 return;
1664         }
1665         if (size > vid.width || size > vid.height)
1666         {
1667                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1668                 return;
1669         }
1670
1671         r_refdef.envmap = true;
1672
1673         R_UpdateVariables();
1674
1675         r_view.x = 0;
1676         r_view.y = 0;
1677         r_view.z = 0;
1678         r_view.width = size;
1679         r_view.height = size;
1680         r_view.depth = 1;
1681         r_view.useperspective = true;
1682
1683         r_view.frustum_x = tan(90 * M_PI / 360.0);
1684         r_view.frustum_y = tan(90 * M_PI / 360.0);
1685
1686         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1687         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1688         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1689
1690         for (j = 0;j < 12;j++)
1691         {
1692                 sprintf(filename, "env/%s%s.tga", basename, envmapinfo[j].name);
1693                 Matrix4x4_CreateFromQuakeEntity(&r_view.matrix, r_view.origin[0], r_view.origin[1], r_view.origin[2], envmapinfo[j].angles[0], envmapinfo[j].angles[1], envmapinfo[j].angles[2], 1);
1694                 R_ClearScreen();
1695                 R_Mesh_Start();
1696                 R_RenderView();
1697                 R_Mesh_Finish();
1698                 SCR_ScreenShot(filename, buffer1, buffer2, buffer3, 0, vid.height - (r_view.y + r_view.height), size, size, envmapinfo[j].flipx, envmapinfo[j].flipy, envmapinfo[j].flipdiagonaly, false, false);
1699         }
1700
1701         Mem_Free (buffer1);
1702         Mem_Free (buffer2);
1703         Mem_Free (buffer3);
1704
1705         r_refdef.envmap = false;
1706 }
1707
1708 //=============================================================================
1709
1710 // LordHavoc: SHOWLMP stuff
1711 #define SHOWLMP_MAXLABELS 256
1712 typedef struct showlmp_s
1713 {
1714         qboolean        isactive;
1715         float           x;
1716         float           y;
1717         char            label[32];
1718         char            pic[128];
1719 }
1720 showlmp_t;
1721
1722 showlmp_t showlmp[SHOWLMP_MAXLABELS];
1723
1724 void SHOWLMP_decodehide(void)
1725 {
1726         int i;
1727         char *lmplabel;
1728         lmplabel = MSG_ReadString();
1729         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1730                 if (showlmp[i].isactive && strcmp(showlmp[i].label, lmplabel) == 0)
1731                 {
1732                         showlmp[i].isactive = false;
1733                         return;
1734                 }
1735 }
1736
1737 void SHOWLMP_decodeshow(void)
1738 {
1739         int i, k;
1740         char lmplabel[256], picname[256];
1741         float x, y;
1742         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1743         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1744         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1745         {
1746                 x = MSG_ReadByte();
1747                 y = MSG_ReadByte();
1748         }
1749         else
1750         {
1751                 x = MSG_ReadShort();
1752                 y = MSG_ReadShort();
1753         }
1754         k = -1;
1755         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1756                 if (showlmp[i].isactive)
1757                 {
1758                         if (strcmp(showlmp[i].label, lmplabel) == 0)
1759                         {
1760                                 k = i;
1761                                 break; // drop out to replace it
1762                         }
1763                 }
1764                 else if (k < 0) // find first empty one to replace
1765                         k = i;
1766         if (k < 0)
1767                 return; // none found to replace
1768         // change existing one
1769         showlmp[k].isactive = true;
1770         strlcpy (showlmp[k].label, lmplabel, sizeof (showlmp[k].label));
1771         strlcpy (showlmp[k].pic, picname, sizeof (showlmp[k].pic));
1772         showlmp[k].x = x;
1773         showlmp[k].y = y;
1774 }
1775
1776 void SHOWLMP_drawall(void)
1777 {
1778         int i;
1779         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1780                 if (showlmp[i].isactive)
1781                         DrawQ_Pic(showlmp[i].x, showlmp[i].y, Draw_CachePic(showlmp[i].pic, true), 0, 0, 1, 1, 1, 1, 0);
1782 }
1783
1784 void SHOWLMP_clear(void)
1785 {
1786         int i;
1787         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1788                 showlmp[i].isactive = false;
1789 }
1790
1791 /*
1792 ==============================================================================
1793
1794                                                 SCREEN SHOTS
1795
1796 ==============================================================================
1797 */
1798
1799 qboolean SCR_ScreenShot(char *filename, unsigned char *buffer1, unsigned char *buffer2, unsigned char *buffer3, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg, qboolean gammacorrect)
1800 {
1801         int     indices[3] = {0,1,2};
1802         qboolean ret;
1803
1804         if (!r_render.integer)
1805                 return false;
1806
1807         CHECKGLERROR
1808         qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1809
1810         if (scr_screenshot_gammaboost.value != 1 && gammacorrect)
1811         {
1812                 int i;
1813                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1814                 unsigned char ramp[256];
1815                 for (i = 0;i < 256;i++)
1816                         ramp[i] = (unsigned char) (pow(i * (1.0 / 255.0), igamma) * 255.0);
1817                 for (i = 0;i < width*height*3;i++)
1818                         buffer1[i] = ramp[buffer1[i]];
1819         }
1820
1821         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1822
1823         if (jpeg)
1824                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1825         else
1826                 ret = Image_WriteTGARGB_preflipped (filename, width, height, buffer2, buffer3);
1827
1828         return ret;
1829 }
1830
1831 //=============================================================================
1832
1833 void R_ClearScreen(void)
1834 {
1835         // clear to black
1836         CHECKGLERROR
1837         if (r_refdef.fogenabled)
1838         {
1839                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1840         }
1841         else
1842         {
1843                 qglClearColor(0,0,0,0);CHECKGLERROR
1844         }
1845         qglClearDepth(1);CHECKGLERROR
1846         if (gl_stencil)
1847         {
1848                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1849                 // to avoid clamping interfering with strange shadow volume
1850                 // drawing orders
1851                 qglClearStencil(128);CHECKGLERROR
1852         }
1853         // clear the screen
1854         if (r_render.integer)
1855                 GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
1856         // set dithering mode
1857         if (gl_dither.integer)
1858         {
1859                 qglEnable(GL_DITHER);CHECKGLERROR
1860         }
1861         else
1862         {
1863                 qglDisable(GL_DITHER);CHECKGLERROR
1864         }
1865 }
1866
1867 qboolean CL_VM_UpdateView (void);
1868 void SCR_DrawConsole (void);
1869 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1870
1871 int r_stereo_side;
1872
1873 void SCR_DrawScreen (void)
1874 {
1875         R_Mesh_Start();
1876
1877         if (r_timereport_active)
1878                 R_TimeReport("screensetup");
1879
1880         R_UpdateVariables();
1881
1882         // Quake uses clockwise winding, so these are swapped
1883         r_view.cullface_front = GL_BACK;
1884         r_view.cullface_back = GL_FRONT;
1885
1886         if (cls.signon == SIGNONS)
1887         {
1888                 float size;
1889
1890                 size = scr_viewsize.value * (1.0 / 100.0);
1891                 size = min(size, 1);
1892
1893                 if (r_stereo_sidebyside.integer)
1894                 {
1895                         r_view.width = (int)(vid.width * size / 2.5);
1896                         r_view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1897                         r_view.depth = 1;
1898                         r_view.x = (int)((vid.width - r_view.width * 2.5) * 0.5);
1899                         r_view.y = (int)((vid.height - r_view.height)/2);
1900                         r_view.z = 0;
1901                         if (r_stereo_side)
1902                                 r_view.x += (int)(r_view.width * 1.5);
1903                 }
1904                 else
1905                 {
1906                         r_view.width = (int)(vid.width * size);
1907                         r_view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1908                         r_view.depth = 1;
1909                         r_view.x = (int)((vid.width - r_view.width)/2);
1910                         r_view.y = (int)((vid.height - r_view.height)/2);
1911                         r_view.z = 0;
1912                 }
1913
1914                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1915                 // LordHavoc: this is designed to produce widescreen fov values
1916                 // when the screen is wider than 4/3 width/height aspect, to do
1917                 // this it simply assumes the requested fov is the vertical fov
1918                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1919                 // higher/lower according to the ratio
1920                 r_view.useperspective = true;
1921                 r_view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1922                 r_view.frustum_x = r_view.frustum_y * (float)r_view.width / (float)r_view.height / vid_pixelheight.value;
1923
1924                 r_view.frustum_x *= r_refdef.frustumscale_x;
1925                 r_view.frustum_y *= r_refdef.frustumscale_y;
1926
1927                 if(!CL_VM_UpdateView())
1928                         R_RenderView();
1929
1930                 if (scr_zoomwindow.integer)
1931                 {
1932                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1933                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1934                         r_view.width = (int)(vid.width * sizex);
1935                         r_view.height = (int)(vid.height * sizey);
1936                         r_view.depth = 1;
1937                         r_view.x = (int)((vid.width - r_view.width)/2);
1938                         r_view.y = 0;
1939                         r_view.z = 0;
1940
1941                         r_view.useperspective = true;
1942                         r_view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1943                         r_view.frustum_x = r_view.frustum_y * vid_pixelheight.value * (float)r_view.width / (float)r_view.height;
1944
1945                         r_view.frustum_x *= r_refdef.frustumscale_x;
1946                         r_view.frustum_y *= r_refdef.frustumscale_y;
1947
1948                         if(!CL_VM_UpdateView())
1949                                 R_RenderView();
1950                 }
1951         }
1952
1953         if (!r_stereo_sidebyside.integer)
1954         {
1955                 r_view.width = vid.width;
1956                 r_view.height = vid.height;
1957                 r_view.depth = 1;
1958                 r_view.x = 0;
1959                 r_view.y = 0;
1960                 r_view.z = 0;
1961                 r_view.useperspective = false;
1962         }
1963
1964         // draw 2D stuff
1965
1966         if (cls.signon == SIGNONS)
1967         {
1968                 SCR_DrawNet ();
1969                 SCR_DrawTurtle ();
1970                 SCR_DrawPause ();
1971                 if (!r_letterbox.value)
1972                         Sbar_Draw();
1973                 SHOWLMP_drawall();
1974                 SCR_CheckDrawCenterString();
1975         }
1976         SCR_DrawNetGraph ();
1977         MR_Draw();
1978         CL_DrawVideo();
1979         R_Shadow_EditLights_DrawSelectedLightProperties();
1980
1981         SCR_DrawConsole();
1982
1983         SCR_DrawBrand();
1984
1985         SCR_DrawDownload();
1986
1987         if (r_timereport_active)
1988                 R_TimeReport("2d");
1989
1990         if (cls.signon == SIGNONS)
1991                 R_TimeReport_Frame();
1992
1993         DrawQ_Finish();
1994
1995         R_DrawGamma();
1996
1997         R_Mesh_Finish();
1998
1999         if (r_timereport_active)
2000                 R_TimeReport("meshfinish");
2001 }
2002
2003 void SCR_UpdateLoadingScreen (qboolean clear)
2004 {
2005         float x, y;
2006         cachepic_t *pic;
2007         float vertex3f[12];
2008         float texcoord2f[8];
2009         // don't do anything if not initialized yet
2010         if (vid_hidden || !scr_refresh.integer)
2011                 return;
2012         CHECKGLERROR
2013         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2014         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2015         //qglDepthMask(1);CHECKGLERROR
2016         qglColorMask(1,1,1,1);CHECKGLERROR
2017         qglClearColor(0,0,0,0);CHECKGLERROR
2018         // when starting up a new video mode, make sure the screen is cleared to black
2019         if (clear)
2020         {
2021                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
2022         }
2023         //qglDisable(GL_CULL_FACE);CHECKGLERROR
2024         //R_ClearScreen();
2025         R_Textures_Frame();
2026         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
2027         R_Mesh_Start();
2028         R_Mesh_Matrix(&identitymatrix);
2029         // draw the loading plaque
2030         pic = Draw_CachePic("gfx/loading", true);
2031         x = (vid_conwidth.integer - pic->width)/2;
2032         y = (vid_conheight.integer - pic->height)/2;
2033         GL_Color(1,1,1,1);
2034         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2035         GL_DepthRange(0, 1);
2036         GL_PolygonOffset(0, 0);
2037         GL_DepthTest(false);
2038         R_Mesh_VertexPointer(vertex3f, 0, 0);
2039         R_Mesh_ColorPointer(NULL, 0, 0);
2040         R_Mesh_ResetTextureState();
2041         R_Mesh_TexBind(0, R_GetTexture(pic->tex));
2042         R_Mesh_TexCoordPointer(0, 2, texcoord2f, 0, 0);
2043         vertex3f[2] = vertex3f[5] = vertex3f[8] = vertex3f[11] = 0;
2044         vertex3f[0] = vertex3f[9] = x;
2045         vertex3f[1] = vertex3f[4] = y;
2046         vertex3f[3] = vertex3f[6] = x + pic->width;
2047         vertex3f[7] = vertex3f[10] = y + pic->height;
2048         texcoord2f[0] = 0;texcoord2f[1] = 0;
2049         texcoord2f[2] = 1;texcoord2f[3] = 0;
2050         texcoord2f[4] = 1;texcoord2f[5] = 1;
2051         texcoord2f[6] = 0;texcoord2f[7] = 1;
2052         if (vid.stereobuffer)
2053         {
2054                 qglDrawBuffer(GL_FRONT_LEFT);
2055                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2056                 qglDrawBuffer(GL_FRONT_RIGHT);
2057                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2058         }
2059         else
2060         {
2061                 qglDrawBuffer(GL_FRONT);
2062                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2063         }
2064         R_Mesh_Finish();
2065         // refresh
2066         // not necessary when rendering to GL_FRONT buffers
2067         //VID_Finish(false);
2068         // however this IS necessary on Windows Vista
2069         qglFinish();
2070 }
2071
2072 void CL_UpdateScreen(void)
2073 {
2074         float conwidth, conheight;
2075
2076         if (vid_hidden || !scr_refresh.integer)
2077                 return;
2078
2079         if (!scr_initialized || !con_initialized)
2080                 return;                         // not initialized yet
2081
2082         conwidth = bound(320, vid_conwidth.value, 2048);
2083         conheight = bound(200, vid_conheight.value, 1536);
2084         if (vid_conwidth.value != conwidth)
2085                 Cvar_SetValue("vid_conwidth", conwidth);
2086         if (vid_conheight.value != conheight)
2087                 Cvar_SetValue("vid_conheight", conheight);
2088
2089         // bound viewsize
2090         if (scr_viewsize.value < 30)
2091                 Cvar_Set ("viewsize","30");
2092         if (scr_viewsize.value > 120)
2093                 Cvar_Set ("viewsize","120");
2094
2095         // bound field of view
2096         if (scr_fov.value < 1)
2097                 Cvar_Set ("fov","1");
2098         if (scr_fov.value > 170)
2099                 Cvar_Set ("fov","170");
2100
2101         // validate r_textureunits cvar
2102         if (r_textureunits.integer > gl_textureunits)
2103                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
2104         if (r_textureunits.integer < 1)
2105                 Cvar_SetValueQuick(&r_textureunits, 1);
2106
2107         // validate gl_combine cvar
2108         if (gl_combine.integer && !gl_combine_extension)
2109                 Cvar_SetValueQuick(&gl_combine, 0);
2110
2111         // intermission is always full screen
2112         if (cl.intermission)
2113                 sb_lines = 0;
2114         else
2115         {
2116                 if (scr_viewsize.value >= 120)
2117                         sb_lines = 0;           // no status bar at all
2118                 else if (scr_viewsize.value >= 110)
2119                         sb_lines = 24;          // no inventory
2120                 else
2121                         sb_lines = 24+16+8;
2122         }
2123
2124         r_view.colormask[0] = 1;
2125         r_view.colormask[1] = 1;
2126         r_view.colormask[2] = 1;
2127
2128         if (r_timereport_active)
2129                 R_TimeReport("other");
2130
2131         SCR_SetUpToDrawConsole();
2132
2133         if (r_timereport_active)
2134                 R_TimeReport("start");
2135
2136         CHECKGLERROR
2137         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2138         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2139         qglDepthMask(1);CHECKGLERROR
2140         qglColorMask(1,1,1,1);CHECKGLERROR
2141         qglClearColor(0,0,0,0);CHECKGLERROR
2142         R_ClearScreen();
2143         r_view.clear = false;
2144
2145         if(scr_stipple.integer)
2146         {
2147                 GLubyte stipple[128];
2148                 int i, s, width, parts;
2149                 static int frame = 0;
2150                 ++frame;
2151
2152                 s = scr_stipple.integer;
2153                 parts = (s & 007);
2154                 width = (s & 070) >> 3;
2155
2156                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
2157                 for(i = 0; i < 128; ++i)
2158                 {
2159                         int line = i/4;
2160                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2161                 }
2162                 qglPolygonStipple(stipple);
2163         }
2164         else
2165                 qglDisable(GL_POLYGON_STIPPLE);
2166
2167         if (r_timereport_active)
2168                 R_TimeReport("screenclear");
2169
2170         qglDrawBuffer(GL_BACK);
2171
2172         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
2173         {
2174                 matrix4x4_t originalmatrix = r_view.matrix;
2175                 matrix4x4_t offsetmatrix;
2176                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2177                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
2178
2179                 if (r_stereo_sidebyside.integer)
2180                         r_stereo_side = 0;
2181
2182                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2183                 {
2184                         r_view.colormask[0] = 1;
2185                         r_view.colormask[1] = 0;
2186                         r_view.colormask[2] = 0;
2187                 }
2188
2189                 if (vid.stereobuffer)
2190                         qglDrawBuffer(GL_BACK_RIGHT);
2191
2192                 SCR_DrawScreen();
2193
2194                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2195                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
2196
2197                 if (r_stereo_sidebyside.integer)
2198                         r_stereo_side = 1;
2199
2200                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2201                 {
2202                         r_view.colormask[0] = 0;
2203                         r_view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2204                         r_view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2205                 }
2206
2207                 if (vid.stereobuffer)
2208                         qglDrawBuffer(GL_BACK_LEFT);
2209
2210                 SCR_DrawScreen();
2211
2212                 r_view.matrix = originalmatrix;
2213         }
2214         else
2215                 SCR_DrawScreen();
2216
2217         SCR_CaptureVideo();
2218
2219         VID_Finish(true);
2220         if (r_timereport_active)
2221                 R_TimeReport("finish");
2222 }
2223
2224 void CL_Screen_NewMap(void)
2225 {
2226         SHOWLMP_clear();
2227 }