implemented framerate-dependent particle quality reduction to try to
[divverent/darkplaces.git] / cl_screen.c
1
2 #include "quakedef.h"
3 #include "cl_video.h"
4 #include "image.h"
5 #include "jpeg.h"
6 #include "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 a minute"};
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 int                     scr_con_margin_bottom;
61
62 extern int      con_vislines;
63
64 static void SCR_ScreenShot_f (void);
65 static void R_Envmap_f (void);
66
67 // backend
68 void R_ClearScreen(qboolean fogcolor);
69
70 /*
71 ===============================================================================
72
73 CENTER PRINTING
74
75 ===============================================================================
76 */
77
78 char            scr_centerstring[MAX_INPUTLINE];
79 float           scr_centertime_start;   // for slow victory printing
80 float           scr_centertime_off;
81 int                     scr_center_lines;
82 int                     scr_erase_lines;
83 int                     scr_erase_center;
84
85 /*
86 ==============
87 SCR_CenterPrint
88
89 Called for important messages that should stay in the center of the screen
90 for a few moments
91 ==============
92 */
93 void SCR_CenterPrint(char *str)
94 {
95         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
96         scr_centertime_off = scr_centertime.value;
97         scr_centertime_start = cl.time;
98
99 // count the number of lines for centering
100         scr_center_lines = 1;
101         while (*str)
102         {
103                 if (*str == '\n')
104                         scr_center_lines++;
105                 str++;
106         }
107 }
108
109
110 void SCR_DrawCenterString (void)
111 {
112         char    *start;
113         int             x, y;
114         int             remaining;
115         int             color;
116
117         if(cl.intermission == 2) // in finale,
118                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
119                         return;
120
121 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
122         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
123                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
124         else
125                 remaining = 9999;
126
127         scr_erase_center = 0;
128         start = scr_centerstring;
129
130         if (remaining < 1)
131                 return;
132
133         if (scr_center_lines <= 4)
134                 y = (int)(vid_conheight.integer*0.35);
135         else
136                 y = 48;
137
138         color = -1;
139         do
140         {
141                 // scan the number of characters on the line, not counting color codes
142                 char *newline = strchr(start, '\n');
143                 int l = newline ? (newline - start) : (int)strlen(start);
144                 float width = DrawQ_TextWidth_Font(start, l, false, FONT_CENTERPRINT) * 8;
145
146                 x = (vid_conwidth.integer - width)/2;
147                 if (l > 0)
148                 {
149                         if (remaining < l)
150                                 l = remaining;
151                         DrawQ_String_Font(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
152                         remaining -= l;
153                         if (remaining <= 0)
154                                 return;
155                 }
156                 y += 8;
157
158                 if (!newline)
159                         break;
160                 start = newline + 1; // skip the \n
161         } while (1);
162 }
163
164 void SCR_CheckDrawCenterString (void)
165 {
166         if (scr_center_lines > scr_erase_lines)
167                 scr_erase_lines = scr_center_lines;
168
169         if (cl.time > cl.oldtime)
170                 scr_centertime_off -= cl.time - cl.oldtime;
171
172         // don't draw if this is a normal stats-screen intermission,
173         // only if it is not an intermission, or a finale intermission
174         if (cl.intermission == 1)
175                 return;
176         if (scr_centertime_off <= 0 && !cl.intermission)
177                 return;
178         if (key_dest != key_game)
179                 return;
180
181         SCR_DrawCenterString ();
182 }
183
184 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])
185 {
186         int j, k, x, y, index, offset, height;
187         // draw the bar graph itself
188         // advance the packet counter because it is the latest packet column being
189         // built up and should come last
190         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
191         for (j = 0;j < NETGRAPH_PACKETS;j++)
192         {
193                 x = graphx + j * barwidth;
194                 y = graphy + barheight;
195                 index = (packetcounter + j) % NETGRAPH_PACKETS;
196                 if (parameters[0][index] == NETGRAPH_LOSTPACKET)
197                         DrawQ_Fill(x, y - barheight, barwidth, barheight, 1, 0, 0, 1, 0);
198                 else if (parameters[0][index] == NETGRAPH_CHOKEDPACKET)
199                         DrawQ_Fill(x, y - min(2, barheight), barwidth, min(2, barheight), 1, 1, 0, 1, 0);
200                 else
201                 {
202                         offset = 0;
203                         for (k = 0;k < numparameters;k++)
204                         {
205                                 height = (parameters[k][index] + bardivide - 1) / bardivide;
206                                 height = min(height, barheight - offset);
207                                 offset += height;
208                                 if (height)
209                                         DrawQ_Fill(x, y - offset, barwidth, height, parametercolors[k][0], parametercolors[k][1], parametercolors[k][2], parametercolors[k][3], 0);
210                         }
211                 }
212         }
213 }
214
215 const float netgraphcolors[3][4] =
216 {
217         {1  , 0.5, 0  , 1},
218         {1  , 1  , 1  , 1},
219         {0  , 1  , 0  , 1},
220 };
221
222 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)
223 {
224         int numparameters;
225         const int *parameters[3];
226         // dim background
227         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
228         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
229         // draw the bar graphs
230         numparameters = 3;
231         parameters[0] = conn->incoming_unreliablesize;
232         parameters[1] = conn->incoming_reliablesize;
233         parameters[2] = conn->incoming_acksize;
234         SCR_DrawNetGraph_DrawGraph(graphx, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
235         parameters[0] = conn->outgoing_unreliablesize;
236         parameters[1] = conn->outgoing_reliablesize;
237         parameters[2] = conn->outgoing_acksize;
238         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
239         // draw labels
240         DrawQ_String(graphx                                          , graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
241         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
242 }
243
244 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)
245 {
246         int numparameters;
247         const int *parameters[3];
248         // dim background
249         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
250         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
251         // draw the bar graphs
252         numparameters = 3;
253         parameters[0] = conn->outgoing_unreliablesize;
254         parameters[1] = conn->outgoing_reliablesize;
255         parameters[2] = conn->outgoing_acksize;
256         SCR_DrawNetGraph_DrawGraph(graphx                                          , graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
257         parameters[0] = conn->incoming_unreliablesize;
258         parameters[1] = conn->incoming_reliablesize;
259         parameters[2] = conn->incoming_acksize;
260         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
261         // draw labels
262         DrawQ_String(graphx                                          , graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
263         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
264 }
265
266 /*
267 ==============
268 SCR_DrawNetGraph
269 ==============
270 */
271 void SCR_DrawNetGraph (void)
272 {
273         int i, separator1, separator2, barwidth, barheight, bardivide, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
274
275         if (cls.state != ca_connected)
276                 return;
277         if (!cls.netcon)
278                 return;
279         if (!shownetgraph.integer)
280                 return;
281
282         separator1 = 2;
283         separator2 = 4;
284         textsize = 8;
285         barwidth = 1;
286         barheight = 50;
287         bardivide = 20;
288
289         netgraphsperrow = (vid_conwidth.integer + separator2) / (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
290         netgraphsperrow = max(netgraphsperrow, 1);
291
292         index = 0;
293         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
294         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
295         SCR_DrawNetGraph_DrawConnection_Client(cls.netcon, netgraph_x, netgraph_y, barwidth, barheight, bardivide, "incoming", separator1, "outgoing", textsize);
296         index++;
297
298         if (sv.active && shownetgraph.integer >= 2)
299         {
300                 for (i = 0;i < svs.maxclients;i++)
301                 {
302                         if (!svs.clients[i].netconnection)
303                                 continue;
304                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
305                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
306                         SCR_DrawNetGraph_DrawConnection_Server(svs.clients[i].netconnection, netgraph_x, netgraph_y, barwidth, barheight, bardivide, va("%s", svs.clients[i].name), separator1, "", textsize);
307                         index++;
308                 }
309         }
310 }
311
312 /*
313 ==============
314 SCR_DrawTurtle
315 ==============
316 */
317 void SCR_DrawTurtle (void)
318 {
319         static int      count;
320
321         if (cls.state != ca_connected)
322                 return;
323
324         if (!scr_showturtle.integer)
325                 return;
326
327         if (cl.realframetime < 0.1)
328         {
329                 count = 0;
330                 return;
331         }
332
333         count++;
334         if (count < 3)
335                 return;
336
337         DrawQ_Pic (0, 0, Draw_CachePic("gfx/turtle", true), 0, 0, 1, 1, 1, 1, 0);
338 }
339
340 /*
341 ==============
342 SCR_DrawNet
343 ==============
344 */
345 void SCR_DrawNet (void)
346 {
347         if (cls.state != ca_connected)
348                 return;
349         if (realtime - cl.last_received_message < 0.3)
350                 return;
351         if (cls.demoplayback)
352                 return;
353
354         DrawQ_Pic (64, 0, Draw_CachePic("gfx/net", true), 0, 0, 1, 1, 1, 1, 0);
355 }
356
357 /*
358 ==============
359 DrawPause
360 ==============
361 */
362 void SCR_DrawPause (void)
363 {
364         cachepic_t      *pic;
365
366         if (cls.state != ca_connected)
367                 return;
368
369         if (!scr_showpause.integer)             // turn off for screenshots
370                 return;
371
372         if (!cl.paused)
373                 return;
374
375         pic = Draw_CachePic ("gfx/pause", true);
376         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
377 }
378
379 /*
380 ==============
381 SCR_DrawBrand
382 ==============
383 */
384 void SCR_DrawBrand (void)
385 {
386         cachepic_t      *pic;
387         float           x, y;
388
389         if (!scr_showbrand.value)
390                 return;
391
392         pic = Draw_CachePic ("gfx/brand", true);
393
394         switch ((int)scr_showbrand.value)
395         {
396         case 1: // bottom left
397                 x = 0;
398                 y = vid_conheight.integer - pic->height;
399                 break;
400         case 2: // bottom centre
401                 x = (vid_conwidth.integer - pic->width) / 2;
402                 y = vid_conheight.integer - pic->height;
403                 break;
404         case 3: // bottom right
405                 x = vid_conwidth.integer - pic->width;
406                 y = vid_conheight.integer - pic->height;
407                 break;
408         case 4: // centre right
409                 x = vid_conwidth.integer - pic->width;
410                 y = (vid_conheight.integer - pic->height) / 2;
411                 break;
412         case 5: // top right
413                 x = vid_conwidth.integer - pic->width;
414                 y = 0;
415                 break;
416         case 6: // top centre
417                 x = (vid_conwidth.integer - pic->width) / 2;
418                 y = 0;
419                 break;
420         case 7: // top left
421                 x = 0;
422                 y = 0;
423                 break;
424         case 8: // centre left
425                 x = 0;
426                 y = (vid_conheight.integer - pic->height) / 2;
427                 break;
428         default:
429                 return;
430         }
431
432         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
433 }
434
435 /*
436 ==============
437 SCR_DrawQWDownload
438 ==============
439 */
440 static int SCR_DrawQWDownload(int offset)
441 {
442         // sync with SCR_DownloadHeight
443         int len;
444         float x, y;
445         float size = 8;
446         char temp[256];
447
448         if (!cls.qw_downloadname[0])
449         {
450                 cls.qw_downloadspeedrate = 0;
451                 cls.qw_downloadspeedtime = realtime;
452                 cls.qw_downloadspeedcount = 0;
453                 return 0;
454         }
455         if (realtime >= cls.qw_downloadspeedtime + 1)
456         {
457                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
458                 cls.qw_downloadspeedtime = realtime;
459                 cls.qw_downloadspeedcount = 0;
460         }
461         if (cls.protocol == PROTOCOL_QUAKEWORLD)
462                 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);
463         else
464                 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);
465         len = (int)strlen(temp);
466         x = (vid_conwidth.integer - DrawQ_TextWidth_Font(temp, len, 0, FONT_INFOBAR) * size) / 2;
467         y = vid_conheight.integer - size - offset;
468         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
469         DrawQ_String_Font(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
470         return 8;
471 }
472
473 /*
474 ==============
475 SCR_DrawCurlDownload
476 ==============
477 */
478 static int SCR_DrawCurlDownload(int offset)
479 {
480         // sync with SCR_DownloadHeight
481         int len;
482         int nDownloads;
483         int i;
484         float x, y;
485         float size = 8;
486         Curl_downloadinfo_t *downinfo;
487         char temp[256];
488         const char *addinfo;
489
490         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
491         if(!downinfo)
492                 return 0;
493
494         y = vid_conheight.integer - size * nDownloads - offset;
495
496         if(addinfo)
497         {
498                 len = (int)strlen(addinfo);
499                 x = (vid_conwidth.integer - DrawQ_TextWidth_Font(addinfo, len, false, FONT_INFOBAR) * size) / 2;
500                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
501                 DrawQ_String_Font(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
502         }
503
504         for(i = 0; i != nDownloads; ++i)
505         {
506                 if(downinfo[i].queued)
507                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
508                 else if(downinfo[i].progress <= 0)
509                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
510                 else
511                         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);
512                 len = (int)strlen(temp);
513                 x = (vid_conwidth.integer - DrawQ_TextWidth_Font(temp, len, false, FONT_INFOBAR) * size) / 2;
514                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
515                 DrawQ_String_Font(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
516         }
517
518         Z_Free(downinfo);
519
520         return 8 * (nDownloads + (addinfo ? 1 : 0));
521 }
522
523 /*
524 ==============
525 SCR_DrawDownload
526 ==============
527 */
528 static void SCR_DrawDownload()
529 {
530         int offset = 0;
531         offset += SCR_DrawQWDownload(offset);
532         offset += SCR_DrawCurlDownload(offset);
533         if(offset != scr_con_margin_bottom)
534                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
535 }
536
537 static int SCR_DownloadHeight()
538 {
539         int offset = 0;
540         Curl_downloadinfo_t *downinfo;
541         const char *addinfo;
542         int nDownloads;
543
544         if(cls.qw_downloadname[0])
545                 offset += 0;
546
547         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
548         if(downinfo)
549         {
550                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
551                 Z_Free(downinfo);
552         }
553
554         return offset;
555 }
556
557 //=============================================================================
558
559 /*
560 ==================
561 SCR_SetUpToDrawConsole
562 ==================
563 */
564 void SCR_SetUpToDrawConsole (void)
565 {
566         // lines of console to display
567         float conlines;
568         static int framecounter = 0;
569
570         Con_CheckResize ();
571
572         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
573         {
574                 if (framecounter >= 2)
575                         MR_ToggleMenu_f();
576                 else
577                         framecounter++;
578         }
579         else
580                 framecounter = 0;
581
582         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
583                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
584         else
585                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
586
587 // decide on the height of the console
588         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
589                 conlines = vid_conheight.integer/2;     // half screen
590         else
591                 conlines = 0;                           // none visible
592
593         scr_con_current = conlines;
594 }
595
596 /*
597 ==================
598 SCR_DrawConsole
599 ==================
600 */
601 void SCR_DrawConsole (void)
602 {
603         scr_con_margin_bottom = SCR_DownloadHeight();
604         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
605         {
606                 // full screen
607                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
608         }
609         else if (scr_con_current)
610                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
611         else
612                 con_vislines = 0;
613 }
614
615 /*
616 ===============
617 SCR_BeginLoadingPlaque
618
619 ================
620 */
621 void SCR_BeginLoadingPlaque (void)
622 {
623         // save console log up to this point to log_file if it was set by configs
624         Log_Start();
625
626         Host_StartVideo();
627         SCR_UpdateLoadingScreen(false);
628 }
629
630 //=============================================================================
631
632 char r_speeds_timestring[4096];
633 int speedstringcount, r_timereport_active;
634 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
635 int r_speeds_longestitem = 0;
636
637 void R_TimeReport(char *desc)
638 {
639         char tempbuf[256];
640         int length;
641         int t;
642
643         if (r_speeds.integer < 2 || !r_timereport_active)
644                 return;
645
646         CHECKGLERROR
647         if (r_speeds.integer == 2)
648                 qglFinish();
649         CHECKGLERROR
650         r_timereport_temp = r_timereport_current;
651         r_timereport_current = Sys_DoubleTime();
652         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
653
654         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
655         length = min(length, (int)sizeof(tempbuf) - 1);
656         if (r_speeds_longestitem < length)
657                 r_speeds_longestitem = length;
658         for (;length < r_speeds_longestitem;length++)
659                 tempbuf[length] = ' ';
660         tempbuf[length] = 0;
661
662         if (speedstringcount + length > (vid_conwidth.integer / 8))
663         {
664                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
665                 speedstringcount = 0;
666         }
667         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
668         speedstringcount += length;
669 }
670
671 void R_TimeReport_BeginFrame(void)
672 {
673         speedstringcount = 0;
674         r_speeds_timestring[0] = 0;
675         r_timereport_active = false;
676         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
677
678         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
679         {
680                 r_timereport_active = true;
681                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
682         }
683 }
684
685 void R_TimeReport_EndFrame(void)
686 {
687         int i, j, lines, y;
688         cl_locnode_t *loc;
689         char string[1024+4096];
690
691         string[0] = 0;
692         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
693         {
694                 // put the location name in the r_speeds display as it greatly helps
695                 // when creating loc files
696                 loc = CL_Locs_FindNearest(cl.movement_origin);
697                 if (loc)
698                         sprintf(string + strlen(string), "Location: %s\n", loc->name);
699                 sprintf(string + strlen(string), "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n", r_refdef.stats.renders, r_refdef.view.origin[0], r_refdef.view.origin[1], r_refdef.view.origin[2], r_refdef.view.forward[0], r_refdef.view.forward[1], r_refdef.view.forward[2]);
700                 sprintf(string + strlen(string), "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n", r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles);
701                 sprintf(string + strlen(string), "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n", r_refdef.stats.world_leafs, r_refdef.stats.world_portals, r_refdef.stats.particles, cl.num_particles, r_refdef.stats.decals, cl.num_decals, 100 / (1 << r_refdef.view.qualityreduction));
702                 sprintf(string + strlen(string), "%7i lightmap updates (%7i pixels)\n", r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels);
703                 sprintf(string + strlen(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);
704                 if (r_refdef.stats.bloom)
705                         sprintf(string + strlen(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);
706                 else
707                         sprintf(string + strlen(string), "rendered%6i meshes%8i triangles\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3);
708                 strlcat(string, r_speeds_timestring, sizeof(string));
709
710                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
711
712                 speedstringcount = 0;
713                 r_speeds_timestring[0] = 0;
714                 r_timereport_active = false;
715
716                 if (r_speeds.integer >= 2)
717                 {
718                         r_timereport_active = true;
719                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
720                 }
721         }
722
723         if (string[0])
724         {
725                 if (string[strlen(string)-1] == '\n')
726                         string[strlen(string)-1] = 0;
727                 lines = 1;
728                 for (i = 0;string[i];i++)
729                         if (string[i] == '\n')
730                                 lines++;
731                 y = vid_conheight.integer - sb_lines - lines * 8;
732                 i = j = 0;
733                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
734                 while (string[i])
735                 {
736                         j = i;
737                         while (string[i] && string[i] != '\n')
738                                 i++;
739                         if (i - j > 0)
740                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true);
741                         if (string[i] == '\n')
742                                 i++;
743                         y += 8;
744                 }
745         }
746 }
747
748 /*
749 =================
750 SCR_SizeUp_f
751
752 Keybinding command
753 =================
754 */
755 void SCR_SizeUp_f (void)
756 {
757         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
758 }
759
760
761 /*
762 =================
763 SCR_SizeDown_f
764
765 Keybinding command
766 =================
767 */
768 void SCR_SizeDown_f (void)
769 {
770         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
771 }
772
773 void SCR_CaptureVideo_EndVideo(void);
774 void CL_Screen_Shutdown(void)
775 {
776         SCR_CaptureVideo_EndVideo();
777 }
778
779 void CL_Screen_Init(void)
780 {
781         Cvar_RegisterVariable (&scr_fov);
782         Cvar_RegisterVariable (&scr_viewsize);
783         Cvar_RegisterVariable (&scr_conalpha);
784         Cvar_RegisterVariable (&scr_conbrightness);
785         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
786         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
787         Cvar_RegisterVariable (&scr_showram);
788         Cvar_RegisterVariable (&scr_showturtle);
789         Cvar_RegisterVariable (&scr_showpause);
790         Cvar_RegisterVariable (&scr_showbrand);
791         Cvar_RegisterVariable (&scr_centertime);
792         Cvar_RegisterVariable (&scr_printspeed);
793         Cvar_RegisterVariable (&vid_conwidth);
794         Cvar_RegisterVariable (&vid_conheight);
795         Cvar_RegisterVariable (&vid_pixelheight);
796         Cvar_RegisterVariable (&scr_screenshot_jpeg);
797         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
798         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
799         Cvar_RegisterVariable (&cl_capturevideo);
800         Cvar_RegisterVariable (&cl_capturevideo_width);
801         Cvar_RegisterVariable (&cl_capturevideo_height);
802         Cvar_RegisterVariable (&cl_capturevideo_realtime);
803         Cvar_RegisterVariable (&cl_capturevideo_fps);
804         Cvar_RegisterVariable (&cl_capturevideo_number);
805         Cvar_RegisterVariable (&r_letterbox);
806         Cvar_RegisterVariable(&r_stereo_separation);
807         Cvar_RegisterVariable(&r_stereo_sidebyside);
808         Cvar_RegisterVariable(&r_stereo_redblue);
809         Cvar_RegisterVariable(&r_stereo_redcyan);
810         Cvar_RegisterVariable(&r_stereo_redgreen);
811         Cvar_RegisterVariable(&r_stereo_angle);
812         Cvar_RegisterVariable(&scr_zoomwindow);
813         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
814         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
815         Cvar_RegisterVariable(&scr_zoomwindow_fov);
816         Cvar_RegisterVariable(&scr_stipple);
817         Cvar_RegisterVariable(&scr_refresh);
818         Cvar_RegisterVariable(&shownetgraph);
819
820         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
821         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
822         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
823         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
824
825         scr_initialized = true;
826 }
827
828 /*
829 ==================
830 SCR_ScreenShot_f
831 ==================
832 */
833 void SCR_ScreenShot_f (void)
834 {
835         static int shotnumber;
836         static char oldname[MAX_QPATH];
837         char base[MAX_QPATH];
838         char filename[MAX_QPATH];
839         unsigned char *buffer1;
840         unsigned char *buffer2;
841         unsigned char *buffer3;
842         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
843
844         sprintf (base, "screenshots/%s", scr_screenshot_name.string);
845
846         if (strcmp (oldname, scr_screenshot_name.string))
847         {
848                 sprintf(oldname, "%s", scr_screenshot_name.string);
849                 shotnumber = 0;
850         }
851
852         // find a file name to save it to
853         for (;shotnumber < 1000000;shotnumber++)
854                 if (!FS_SysFileExists(va("%s/%s%06d.tga", fs_gamedir, base, shotnumber)) && !FS_SysFileExists(va("%s/%s%06d.jpg", fs_gamedir, base, shotnumber)))
855                         break;
856         if (shotnumber >= 1000000)
857         {
858                 Con_Print("SCR_ScreenShot_f: Couldn't create the image file\n");
859                 return;
860         }
861
862         sprintf(filename, "%s%06d.%s", base, shotnumber, jpeg ? "jpg" : "tga");
863
864         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
865         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
866         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
867
868         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
869                 Con_Printf("Wrote %s\n", filename);
870         else
871                 Con_Printf("unable to write %s\n", filename);
872
873         Mem_Free (buffer1);
874         Mem_Free (buffer2);
875         Mem_Free (buffer3);
876
877         shotnumber++;
878 }
879
880 static void SCR_CaptureVideo_RIFF_Start(void)
881 {
882         memset(&cls.capturevideo.riffbuffer, 0, sizeof(sizebuf_t));
883         cls.capturevideo.riffbuffer.maxsize = sizeof(cls.capturevideo.riffbufferdata);
884         cls.capturevideo.riffbuffer.data = cls.capturevideo.riffbufferdata;
885 }
886
887 static void SCR_CaptureVideo_RIFF_Flush(void)
888 {
889         if (cls.capturevideo.riffbuffer.cursize > 0)
890         {
891                 if (!FS_Write(cls.capturevideo.videofile, cls.capturevideo.riffbuffer.data, cls.capturevideo.riffbuffer.cursize))
892                         cls.capturevideo.error = true;
893                 cls.capturevideo.riffbuffer.cursize = 0;
894                 cls.capturevideo.riffbuffer.overflowed = false;
895         }
896 }
897
898 static void SCR_CaptureVideo_RIFF_WriteBytes(const unsigned char *data, size_t size)
899 {
900         SCR_CaptureVideo_RIFF_Flush();
901         if (!FS_Write(cls.capturevideo.videofile, data, size))
902                 cls.capturevideo.error = true;
903 }
904
905 static void SCR_CaptureVideo_RIFF_Write32(int n)
906 {
907         if (cls.capturevideo.riffbuffer.cursize + 4 > cls.capturevideo.riffbuffer.maxsize)
908                 SCR_CaptureVideo_RIFF_Flush();
909         MSG_WriteLong(&cls.capturevideo.riffbuffer, n);
910 }
911
912 static void SCR_CaptureVideo_RIFF_Write16(int n)
913 {
914         if (cls.capturevideo.riffbuffer.cursize + 2 > cls.capturevideo.riffbuffer.maxsize)
915                 SCR_CaptureVideo_RIFF_Flush();
916         MSG_WriteShort(&cls.capturevideo.riffbuffer, n);
917 }
918
919 static void SCR_CaptureVideo_RIFF_WriteFourCC(const char *chunkfourcc)
920 {
921         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(chunkfourcc) > cls.capturevideo.riffbuffer.maxsize)
922                 SCR_CaptureVideo_RIFF_Flush();
923         MSG_WriteUnterminatedString(&cls.capturevideo.riffbuffer, chunkfourcc);
924 }
925
926 static void SCR_CaptureVideo_RIFF_WriteTerminatedString(const char *string)
927 {
928         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(string) > cls.capturevideo.riffbuffer.maxsize)
929                 SCR_CaptureVideo_RIFF_Flush();
930         MSG_WriteString(&cls.capturevideo.riffbuffer, string);
931 }
932
933 static fs_offset_t SCR_CaptureVideo_RIFF_GetPosition(void)
934 {
935         SCR_CaptureVideo_RIFF_Flush();
936         return FS_Tell(cls.capturevideo.videofile);
937 }
938
939 static void SCR_CaptureVideo_RIFF_Push(const char *chunkfourcc, const char *listtypefourcc)
940 {
941         SCR_CaptureVideo_RIFF_WriteFourCC(chunkfourcc);
942         SCR_CaptureVideo_RIFF_Write32(0);
943         SCR_CaptureVideo_RIFF_Flush();
944         cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel++] = SCR_CaptureVideo_RIFF_GetPosition();
945         if (listtypefourcc)
946                 SCR_CaptureVideo_RIFF_WriteFourCC(listtypefourcc);
947 }
948
949 static void SCR_CaptureVideo_RIFF_Pop(void)
950 {
951         fs_offset_t offset;
952         int x;
953         unsigned char sizebytes[4];
954         // write out the chunk size and then return to the current file position
955         cls.capturevideo.riffstacklevel--;
956         offset = SCR_CaptureVideo_RIFF_GetPosition();
957         x = (int)(offset - (cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel]));
958         sizebytes[0] = (x) & 0xff;sizebytes[1] = (x >> 8) & 0xff;sizebytes[2] = (x >> 16) & 0xff;sizebytes[3] = (x >> 24) & 0xff;
959         FS_Seek(cls.capturevideo.videofile, -(x + 4), SEEK_END);
960         FS_Write(cls.capturevideo.videofile, sizebytes, 4);
961         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
962         if (offset & 1)
963         {
964                 unsigned char c = 0;
965                 FS_Write(cls.capturevideo.videofile, &c, 1);
966         }
967 }
968
969 static void GrowBuf(sizebuf_t *buf, int extralen)
970 {
971         if(buf->cursize + extralen > buf->maxsize)
972         {
973                 int oldsize = buf->maxsize;
974                 unsigned char *olddata;
975                 olddata = buf->data;
976                 buf->maxsize = max(buf->maxsize * 2, 4096);
977                 buf->data = Mem_Alloc(tempmempool, buf->maxsize);
978                 if(olddata)
979                 {
980                         memcpy(buf->data, olddata, oldsize);
981                         Mem_Free(olddata);
982                 }
983         }
984 }
985
986 static void SCR_CaptureVideo_RIFF_IndexEntry(const char *chunkfourcc, int chunksize, int flags)
987 {
988         if (cls.capturevideo.riffstacklevel != 2)
989                 Sys_Error("SCR_Capturevideo_RIFF_IndexEntry: RIFF stack level is %i (should be 2)\n", cls.capturevideo.riffstacklevel);
990         GrowBuf(&cls.capturevideo.riffindexbuffer, 16);
991         SCR_CaptureVideo_RIFF_Flush();
992         MSG_WriteUnterminatedString(&cls.capturevideo.riffindexbuffer, chunkfourcc);
993         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, flags);
994         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, (int)FS_Tell(cls.capturevideo.videofile) - cls.capturevideo.riffstackstartoffset[1]);
995         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, chunksize);
996 }
997
998 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)
999 {
1000         int nMatching;
1001         int i;
1002         fs_offset_t ix = SCR_CaptureVideo_RIFF_GetPosition();
1003         fs_offset_t pos;
1004
1005         if(*masteridx_count >= AVI_MASTER_INDEX_SIZE)
1006                 return;
1007
1008         nMatching = 0; // go through index and enumerate them
1009         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
1010                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
1011                         ++nMatching;
1012
1013         SCR_CaptureVideo_RIFF_Push(fcc, NULL);
1014         SCR_CaptureVideo_RIFF_Write16(2); // wLongsPerEntry
1015         SCR_CaptureVideo_RIFF_Write16(0x0100); // bIndexType=1, bIndexSubType=0
1016         SCR_CaptureVideo_RIFF_Write32(nMatching); // nEntriesInUse
1017         SCR_CaptureVideo_RIFF_WriteFourCC(dwChunkId); // dwChunkId
1018         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.videofile_ix_movistart & (fs_offset_t) 0xFFFFFFFFu);
1019         SCR_CaptureVideo_RIFF_Write32(((fs_offset_t) cls.capturevideo.videofile_ix_movistart) >> 32);
1020         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved
1021
1022         for(i = 0; i < cls.capturevideo.riffindexbuffer.cursize; i += 16)
1023                 if(!memcmp(cls.capturevideo.riffindexbuffer.data + i, dwChunkId, 4))
1024                 {
1025                         unsigned int *p = (unsigned int *) (cls.capturevideo.riffindexbuffer.data + i);
1026                         unsigned int flags = p[1];
1027                         unsigned int rpos = p[2];
1028                         unsigned int size = p[3];
1029                         size &= ~0x80000000;
1030                         if(!(flags & 0x10)) // no keyframe?
1031                                 size |= 0x80000000;
1032                         SCR_CaptureVideo_RIFF_Write32(rpos + 8);
1033                         SCR_CaptureVideo_RIFF_Write32(size);
1034                 }
1035
1036         SCR_CaptureVideo_RIFF_Pop();
1037         pos = SCR_CaptureVideo_RIFF_GetPosition();
1038         SCR_CaptureVideo_RIFF_Flush();
1039
1040         FS_Seek(cls.capturevideo.videofile, masteridx_start + 16 * *masteridx_count, SEEK_SET);
1041         SCR_CaptureVideo_RIFF_Write32(ix & (fs_offset_t) 0xFFFFFFFFu);
1042         SCR_CaptureVideo_RIFF_Write32(((fs_offset_t) ix) >> 32);
1043         SCR_CaptureVideo_RIFF_Write32(pos - ix);
1044         SCR_CaptureVideo_RIFF_Write32(nMatching);
1045         SCR_CaptureVideo_RIFF_Flush();
1046
1047         FS_Seek(cls.capturevideo.videofile, masteridx_counter, SEEK_SET);
1048         SCR_CaptureVideo_RIFF_Write32(++*masteridx_count);
1049         SCR_CaptureVideo_RIFF_Flush();
1050
1051         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1052 }
1053
1054 static void SCR_CaptureVideo_RIFF_Finish(qboolean final)
1055 {
1056         // close the "movi" list
1057         SCR_CaptureVideo_RIFF_Pop();
1058         if(cls.capturevideo.videofile_ix_master_video_inuse_offset)
1059                 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);
1060         if(cls.capturevideo.videofile_ix_master_audio_inuse_offset)
1061                 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);
1062         // write the idx1 chunk that we've been building while saving the frames (for old style players)
1063         if(final && cls.capturevideo.videofile_firstchunkframes_offset)
1064         // TODO replace index creating by OpenDML ix##/##ix/indx chunk so it works for more than one AVI part too
1065         {
1066                 SCR_CaptureVideo_RIFF_Push("idx1", NULL);
1067                 SCR_CaptureVideo_RIFF_WriteBytes(cls.capturevideo.riffindexbuffer.data, cls.capturevideo.riffindexbuffer.cursize);
1068                 SCR_CaptureVideo_RIFF_Pop();
1069         }
1070         cls.capturevideo.riffindexbuffer.cursize = 0;
1071         // pop the RIFF chunk itself
1072         while (cls.capturevideo.riffstacklevel > 0)
1073                 SCR_CaptureVideo_RIFF_Pop();
1074         SCR_CaptureVideo_RIFF_Flush();
1075         if(cls.capturevideo.videofile_firstchunkframes_offset)
1076         {
1077                 Con_DPrintf("Finishing first chunk (%d frames)\n", cls.capturevideo.frame);
1078                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_firstchunkframes_offset, SEEK_SET);
1079                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1080                 SCR_CaptureVideo_RIFF_Flush();
1081                 FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
1082                 cls.capturevideo.videofile_firstchunkframes_offset = 0;
1083         }
1084         else
1085                 Con_DPrintf("Finishing another chunk (%d frames)\n", cls.capturevideo.frame);
1086 }
1087
1088 static void SCR_CaptureVideo_RIFF_OverflowCheck(int framesize)
1089 {
1090         fs_offset_t cursize, curfilesize;
1091         if (cls.capturevideo.riffstacklevel != 2)
1092                 Sys_Error("SCR_CaptureVideo_RIFF_OverflowCheck: chunk stack leakage!\n");
1093         // check where we are in the file
1094         SCR_CaptureVideo_RIFF_Flush();
1095         cursize = SCR_CaptureVideo_RIFF_GetPosition() - cls.capturevideo.riffstackstartoffset[0];
1096         curfilesize = SCR_CaptureVideo_RIFF_GetPosition();
1097
1098         // if this would overflow the windows limit of 1GB per RIFF chunk, we need
1099         // to close the current RIFF chunk and open another for future frames
1100         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
1101         {
1102                 SCR_CaptureVideo_RIFF_Finish(false);
1103                 // begin a new 1GB extended section of the AVI
1104                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVIX");
1105                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1106                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1107         }
1108 }
1109
1110 static void FindFraction(double val, int *num, int *denom, int denomMax)
1111 {
1112         int i;
1113         double bestdiff;
1114         // initialize
1115         bestdiff = fabs(val);
1116         *num = 0;
1117         *denom = 1;
1118
1119         for(i = 1; i <= denomMax; ++i)
1120         {
1121                 int inum = floor(0.5 + val * i);
1122                 double diff = fabs(val - inum / (double)i);
1123                 if(diff < bestdiff)
1124                 {
1125                         bestdiff = diff;
1126                         *num = inum;
1127                         *denom = i;
1128                 }
1129         }
1130 }
1131
1132 void SCR_CaptureVideo_BeginVideo(void)
1133 {
1134         double gamma, g, aspect;
1135         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1136         int n, d;
1137         unsigned int i;
1138         if (cls.capturevideo.active)
1139                 return;
1140         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1141         // soundrate is figured out on the first SoundFrame
1142
1143         if(width == 0 && height != 0)
1144                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1145         if(width != 0 && height == 0)
1146                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1147
1148         if(width < 2 || width > vid.width) // can't scale up
1149                 width = vid.width;
1150         if(height < 2 || height > vid.height) // can't scale up
1151                 height = vid.height;
1152
1153         aspect = vid.width / (vid.height * vid_pixelheight.value);
1154
1155         // ensure it's all even; if not, scale down a little
1156         if(width % 1)
1157                 --width;
1158         if(height % 1)
1159                 --height;
1160
1161         cls.capturevideo.width = width;
1162         cls.capturevideo.height = height;
1163         cls.capturevideo.active = true;
1164         cls.capturevideo.starttime = realtime;
1165         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1000);
1166         cls.capturevideo.soundrate = S_GetSoundRate();
1167         cls.capturevideo.frame = 0;
1168         cls.capturevideo.soundsampleframe = 0;
1169         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1170         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1171         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1172         gamma = 1.0/scr_screenshot_gammaboost.value;
1173         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/dpvideo%03i", cl_capturevideo_number.integer);
1174         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1175
1176         /*
1177         for (i = 0;i < 256;i++)
1178         {
1179                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1180                 cls.capturevideo.rgbgammatable[0][i] = j;
1181                 cls.capturevideo.rgbgammatable[1][i] = j;
1182                 cls.capturevideo.rgbgammatable[2][i] = j;
1183         }
1184         */
1185 /*
1186 R = Y + 1.4075 * (Cr - 128);
1187 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1188 B = Y + 1.7790 * (Cb - 128);
1189 Y = R *  .299 + G *  .587 + B *  .114;
1190 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1191 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1192 */
1193         for (i = 0;i < 256;i++)
1194         {
1195                 g = 255*pow(i/255.0, gamma);
1196                 // Y weights from RGB
1197                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(g *  0.299);
1198                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1199                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(g *  0.114);
1200                 // Cb weights from RGB
1201                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(g * -0.169);
1202                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1203                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(g *  0.500);
1204                 // Cr weights from RGB
1205                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(g *  0.500);
1206                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1207                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(g * -0.0813);
1208                 // range reduction of YCbCr to valid signal range
1209                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1210                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1211                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1212         }
1213
1214         //if (cl_capturevideo_)
1215         //{
1216         //}
1217         //else
1218         {
1219                 cls.capturevideo.format = CAPTUREVIDEOFORMAT_AVI_I420;
1220                 cls.capturevideo.videofile = FS_Open (va("%s.avi", cls.capturevideo.basename), "wb", false, true);
1221                 SCR_CaptureVideo_RIFF_Start();
1222                 // 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)
1223                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVI ");
1224                 // AVI main header
1225                 SCR_CaptureVideo_RIFF_Push("LIST", "hdrl");
1226                 SCR_CaptureVideo_RIFF_Push("avih", NULL);
1227                 SCR_CaptureVideo_RIFF_Write32((int)(1000000.0 / cls.capturevideo.framerate)); // microseconds per frame
1228                 SCR_CaptureVideo_RIFF_Write32(0); // max bytes per second
1229                 SCR_CaptureVideo_RIFF_Write32(0); // padding granularity
1230                 SCR_CaptureVideo_RIFF_Write32(0x910); // flags (AVIF_HASINDEX | AVIF_ISINTERLEAVED | AVIF_TRUSTCKTYPE)
1231                 cls.capturevideo.videofile_firstchunkframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1232                 SCR_CaptureVideo_RIFF_Write32(0); // total frames
1233                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1234                 if (cls.capturevideo.soundrate)
1235                         SCR_CaptureVideo_RIFF_Write32(2); // number of streams
1236                 else
1237                         SCR_CaptureVideo_RIFF_Write32(1); // number of streams
1238                 SCR_CaptureVideo_RIFF_Write32(0); // suggested buffer size
1239                 SCR_CaptureVideo_RIFF_Write32(width); // width
1240                 SCR_CaptureVideo_RIFF_Write32(height); // height
1241                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[0]
1242                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[1]
1243                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[2]
1244                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[3]
1245                 SCR_CaptureVideo_RIFF_Pop();
1246                 // video stream info
1247                 SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1248                 SCR_CaptureVideo_RIFF_Push("strh", "vids");
1249                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // stream fourcc (I420 colorspace, uncompressed)
1250                 SCR_CaptureVideo_RIFF_Write32(0); // flags
1251                 SCR_CaptureVideo_RIFF_Write16(0); // priority
1252                 SCR_CaptureVideo_RIFF_Write16(0); // language
1253                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1254                 // find an ideal divisor for the framerate
1255                 FindFraction(cls.capturevideo.framerate, &n, &d, 1000);
1256                 SCR_CaptureVideo_RIFF_Write32(d); // samples/second divisor
1257                 SCR_CaptureVideo_RIFF_Write32(n); // samples/second multiplied by divisor
1258                 SCR_CaptureVideo_RIFF_Write32(0); // start
1259                 cls.capturevideo.videofile_totalframes_offset1 = SCR_CaptureVideo_RIFF_GetPosition();
1260                 SCR_CaptureVideo_RIFF_Write32(0); // length
1261                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // suggested buffer size
1262                 SCR_CaptureVideo_RIFF_Write32(0); // quality
1263                 SCR_CaptureVideo_RIFF_Write32(0); // sample size
1264                 SCR_CaptureVideo_RIFF_Write16(0); // frame left
1265                 SCR_CaptureVideo_RIFF_Write16(0); // frame top
1266                 SCR_CaptureVideo_RIFF_Write16(width); // frame right
1267                 SCR_CaptureVideo_RIFF_Write16(height); // frame bottom
1268                 SCR_CaptureVideo_RIFF_Pop();
1269                 // video stream format
1270                 SCR_CaptureVideo_RIFF_Push("strf", NULL);
1271                 SCR_CaptureVideo_RIFF_Write32(40); // BITMAPINFO struct size
1272                 SCR_CaptureVideo_RIFF_Write32(width); // width
1273                 SCR_CaptureVideo_RIFF_Write32(height); // height
1274                 SCR_CaptureVideo_RIFF_Write16(3); // planes
1275                 SCR_CaptureVideo_RIFF_Write16(12); // bitcount
1276                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // compression
1277                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // size of image
1278                 SCR_CaptureVideo_RIFF_Write32(0); // x pixels per meter
1279                 SCR_CaptureVideo_RIFF_Write32(0); // y pixels per meter
1280                 SCR_CaptureVideo_RIFF_Write32(0); // color used
1281                 SCR_CaptureVideo_RIFF_Write32(0); // color important
1282                 SCR_CaptureVideo_RIFF_Pop();
1283                 // master index
1284                 SCR_CaptureVideo_RIFF_Push("indx", NULL);
1285                 SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1286                 SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1287                 cls.capturevideo.videofile_ix_master_video_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1288                 SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1289                 SCR_CaptureVideo_RIFF_WriteFourCC("00dc"); // dwChunkId
1290                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1291                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1292                 SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1293                 cls.capturevideo.videofile_ix_master_video_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1294                 for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1295                         SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1296                 SCR_CaptureVideo_RIFF_Pop();
1297                 // extended format (aspect!)
1298                 SCR_CaptureVideo_RIFF_Push("vprp", NULL);
1299                 SCR_CaptureVideo_RIFF_Write32(0); // VideoFormatToken
1300                 SCR_CaptureVideo_RIFF_Write32(0); // VideoStandard
1301                 SCR_CaptureVideo_RIFF_Write32((int)cls.capturevideo.framerate); // dwVerticalRefreshRate (bogus)
1302                 SCR_CaptureVideo_RIFF_Write32(width); // dwHTotalInT
1303                 SCR_CaptureVideo_RIFF_Write32(height); // dwVTotalInLines
1304                 FindFraction(aspect, &n, &d, 1000);
1305                 SCR_CaptureVideo_RIFF_Write32((n << 16) | d); // dwFrameAspectRatio // TODO a word
1306                 SCR_CaptureVideo_RIFF_Write32(width); // dwFrameWidthInPixels
1307                 SCR_CaptureVideo_RIFF_Write32(height); // dwFrameHeightInLines
1308                 SCR_CaptureVideo_RIFF_Write32(1); // nFieldPerFrame
1309                 SCR_CaptureVideo_RIFF_Write32(width); // CompressedBMWidth
1310                 SCR_CaptureVideo_RIFF_Write32(height); // CompressedBMHeight
1311                 SCR_CaptureVideo_RIFF_Write32(width); // ValidBMHeight
1312                 SCR_CaptureVideo_RIFF_Write32(height); // ValidBMWidth
1313                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffset
1314                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYOffset
1315                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffsetInT
1316                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYValidStartLine
1317                 SCR_CaptureVideo_RIFF_Pop();
1318                 SCR_CaptureVideo_RIFF_Pop();
1319                 if (cls.capturevideo.soundrate)
1320                 {
1321                         // audio stream info
1322                         SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1323                         SCR_CaptureVideo_RIFF_Push("strh", "auds");
1324                         SCR_CaptureVideo_RIFF_Write32(1); // stream fourcc (PCM audio, uncompressed)
1325                         SCR_CaptureVideo_RIFF_Write32(0); // flags
1326                         SCR_CaptureVideo_RIFF_Write16(0); // priority
1327                         SCR_CaptureVideo_RIFF_Write16(0); // language
1328                         SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1329                         SCR_CaptureVideo_RIFF_Write32(1); // samples/second divisor
1330                         SCR_CaptureVideo_RIFF_Write32((int)(cls.capturevideo.soundrate)); // samples/second multiplied by divisor
1331                         SCR_CaptureVideo_RIFF_Write32(0); // start
1332                         cls.capturevideo.videofile_totalsampleframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1333                         SCR_CaptureVideo_RIFF_Write32(0); // length
1334                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 2); // suggested buffer size (this is a half second)
1335                         SCR_CaptureVideo_RIFF_Write32(0); // quality
1336                         SCR_CaptureVideo_RIFF_Write32(4); // sample size
1337                         SCR_CaptureVideo_RIFF_Write16(0); // frame left
1338                         SCR_CaptureVideo_RIFF_Write16(0); // frame top
1339                         SCR_CaptureVideo_RIFF_Write16(0); // frame right
1340                         SCR_CaptureVideo_RIFF_Write16(0); // frame bottom
1341                         SCR_CaptureVideo_RIFF_Pop();
1342                         // audio stream format
1343                         SCR_CaptureVideo_RIFF_Push("strf", NULL);
1344                         SCR_CaptureVideo_RIFF_Write16(1); // format (uncompressed PCM?)
1345                         SCR_CaptureVideo_RIFF_Write16(2); // channels (stereo)
1346                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate); // sampleframes per second
1347                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 4); // average bytes per second
1348                         SCR_CaptureVideo_RIFF_Write16(4); // block align
1349                         SCR_CaptureVideo_RIFF_Write16(16); // bits per sample
1350                         SCR_CaptureVideo_RIFF_Write16(0); // size
1351                         SCR_CaptureVideo_RIFF_Pop();
1352                         // master index
1353                         SCR_CaptureVideo_RIFF_Push("indx", NULL);
1354                         SCR_CaptureVideo_RIFF_Write16(4); // wLongsPerEntry
1355                         SCR_CaptureVideo_RIFF_Write16(0); // bIndexSubType=0, bIndexType=0
1356                         cls.capturevideo.videofile_ix_master_audio_inuse_offset = SCR_CaptureVideo_RIFF_GetPosition();
1357                         SCR_CaptureVideo_RIFF_Write32(0); // nEntriesInUse
1358                         SCR_CaptureVideo_RIFF_WriteFourCC("01wb"); // dwChunkId
1359                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved1
1360                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved2
1361                         SCR_CaptureVideo_RIFF_Write32(0); // dwReserved3
1362                         cls.capturevideo.videofile_ix_master_audio_start_offset = SCR_CaptureVideo_RIFF_GetPosition();
1363                         for(i = 0; i < AVI_MASTER_INDEX_SIZE * 4; ++i)
1364                                 SCR_CaptureVideo_RIFF_Write32(0); // fill up later
1365                         SCR_CaptureVideo_RIFF_Pop();
1366                         SCR_CaptureVideo_RIFF_Pop();
1367                 }
1368
1369                 cls.capturevideo.videofile_ix_master_audio_inuse = cls.capturevideo.videofile_ix_master_video_inuse = 0;
1370
1371                 // extended header (for total #frames)
1372                 SCR_CaptureVideo_RIFF_Push("LIST", "odml");
1373                 SCR_CaptureVideo_RIFF_Push("dmlh", NULL);
1374                 cls.capturevideo.videofile_totalframes_offset2 = SCR_CaptureVideo_RIFF_GetPosition();
1375                 SCR_CaptureVideo_RIFF_Write32(0);
1376                 SCR_CaptureVideo_RIFF_Pop();
1377                 SCR_CaptureVideo_RIFF_Pop();
1378
1379                 // close the AVI header list
1380                 SCR_CaptureVideo_RIFF_Pop();
1381                 // software that produced this AVI video file
1382                 SCR_CaptureVideo_RIFF_Push("LIST", "INFO");
1383                 SCR_CaptureVideo_RIFF_Push("ISFT", NULL);
1384                 SCR_CaptureVideo_RIFF_WriteTerminatedString(engineversion);
1385                 SCR_CaptureVideo_RIFF_Pop();
1386                 // enable this junk filler if you like the LIST movi to always begin at 4KB in the file (why?)
1387 #if 0
1388                 SCR_CaptureVideo_RIFF_Push("JUNK", NULL);
1389                 x = 4096 - SCR_CaptureVideo_RIFF_GetPosition();
1390                 while (x > 0)
1391                 {
1392                         const char *junkfiller = "[ DarkPlaces junk data ]";
1393                         int i = min(x, (int)strlen(junkfiller));
1394                         SCR_CaptureVideo_RIFF_WriteBytes((const unsigned char *)junkfiller, i);
1395                         x -= i;
1396                 }
1397                 SCR_CaptureVideo_RIFF_Pop();
1398 #endif
1399                 SCR_CaptureVideo_RIFF_Pop();
1400                 // begin the actual video section now
1401                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1402                 cls.capturevideo.videofile_ix_movistart = cls.capturevideo.riffstackstartoffset[1];
1403                 // we're done with the headers now...
1404                 SCR_CaptureVideo_RIFF_Flush();
1405                 if (cls.capturevideo.riffstacklevel != 2)
1406                         Sys_Error("SCR_CaptureVideo_BeginVideo: broken AVI writing code (stack level is %i (should be 2) at end of headers)\n", cls.capturevideo.riffstacklevel);
1407         }
1408
1409         switch(cls.capturevideo.format)
1410         {
1411         case CAPTUREVIDEOFORMAT_AVI_I420:
1412                 break;
1413         default:
1414                 break;
1415         }
1416 }
1417
1418 void SCR_CaptureVideo_EndVideo(void)
1419 {
1420         if (!cls.capturevideo.active)
1421                 return;
1422         cls.capturevideo.active = false;
1423         if (cls.capturevideo.videofile)
1424         {
1425                 switch(cls.capturevideo.format)
1426                 {
1427                 case CAPTUREVIDEOFORMAT_AVI_I420:
1428                         // close any open chunks
1429                         SCR_CaptureVideo_RIFF_Finish(true);
1430                         // go back and fix the video frames and audio samples fields
1431                         Con_DPrintf("Finishing capture (%d frames, %d audio frames)\n", cls.capturevideo.frame, cls.capturevideo.soundsampleframe);
1432                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset1, SEEK_SET);
1433                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1434                         SCR_CaptureVideo_RIFF_Flush();
1435                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset2, SEEK_SET);
1436                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1437                         SCR_CaptureVideo_RIFF_Flush();
1438                         if (cls.capturevideo.soundrate)
1439                         {
1440                                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalsampleframes_offset, SEEK_SET);
1441                                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundsampleframe);
1442                                 SCR_CaptureVideo_RIFF_Flush();
1443                         }
1444                         break;
1445                 default:
1446                         break;
1447                 }
1448                 FS_Close(cls.capturevideo.videofile);
1449                 cls.capturevideo.videofile = NULL;
1450         }
1451
1452         if (cls.capturevideo.screenbuffer)
1453         {
1454                 Mem_Free (cls.capturevideo.screenbuffer);
1455                 cls.capturevideo.screenbuffer = NULL;
1456         }
1457
1458         if (cls.capturevideo.outbuffer)
1459         {
1460                 Mem_Free (cls.capturevideo.outbuffer);
1461                 cls.capturevideo.outbuffer = NULL;
1462         }
1463
1464         if (cls.capturevideo.riffindexbuffer.data)
1465         {
1466                 Mem_Free(cls.capturevideo.riffindexbuffer.data);
1467                 cls.capturevideo.riffindexbuffer.data = NULL;
1468         }
1469
1470         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1471 }
1472
1473 // converts from BGRA32 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
1474 void SCR_CaptureVideo_ConvertFrame_BGRA_to_I420_flip(int width, int height, unsigned char *instart, unsigned char *outstart)
1475 {
1476         int x, y;
1477         int blockr, blockg, blockb;
1478         int outoffset = (width/2)*(height/2);
1479         unsigned char *b, *out;
1480         // process one line at a time, and CbCr every other line at 2 pixel intervals
1481         for (y = 0;y < height;y++)
1482         {
1483                 // 1x1 Y
1484                 for (b = instart + (height-1-y)*width*4, out = outstart + y*width, x = 0;x < width;x++, b += 4, out++)
1485                 {
1486                         blockr = b[2];
1487                         blockg = b[1];
1488                         blockb = b[0];
1489                         *out = cls.capturevideo.yuvnormalizetable[0][cls.capturevideo.rgbtoyuvscaletable[0][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[0][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[0][2][blockb]];
1490                 }
1491                 if ((y & 1) == 0)
1492                 {
1493                         // 2x2 Cr and Cb planes
1494                         int inpitch = width*4;
1495                         for (b = instart + (height-2-y)*width*4, out = outstart + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 8, out++)
1496                         {
1497                                 blockr = (b[2] + b[6] + b[inpitch+2] + b[inpitch+6]) >> 2;
1498                                 blockg = (b[1] + b[5] + b[inpitch+1] + b[inpitch+5]) >> 2;
1499                                 blockb = (b[0] + b[4] + b[inpitch+0] + b[inpitch+4]) >> 2;
1500                                 // Cr
1501                                 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];
1502                                 // Cb
1503                                 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];
1504                         }
1505                 }
1506         }
1507 }
1508
1509 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1510 {
1511         // TODO optimize this function
1512
1513         int x, y;
1514         float area;
1515
1516         // memcpy is faster than me
1517         if(inw == outw && inh == outh)
1518         {
1519                 memcpy(out, in, 4 * inw * inh);
1520                 return;
1521         }
1522
1523         // otherwise: a box filter
1524         area = (float)outw * (float)outh / (float)inw / (float)inh;
1525         for(y = 0; y < outh; ++y)
1526         {
1527                 float iny0 =  y    / (float)outh * inh; int iny0_i = floor(iny0);
1528                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = ceil(iny1);
1529                 for(x = 0; x < outw; ++x)
1530                 {
1531                         float inx0 =  x    / (float)outw * inw; int inx0_i = floor(inx0);
1532                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = ceil(inx1);
1533                         float r = 0, g = 0, b = 0, alpha = 0;
1534                         int xx, yy;
1535
1536                         for(yy = iny0_i; yy < iny1_i; ++yy)
1537                         {
1538                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1539                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1540                                 {
1541                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1542                                         r += a * in[4*(xx + inw * yy)+0];
1543                                         g += a * in[4*(xx + inw * yy)+1];
1544                                         b += a * in[4*(xx + inw * yy)+2];
1545                                         alpha += a * in[4*(xx + inw * yy)+3];
1546                                 }
1547                         }
1548
1549                         out[4*(x + outw * y)+0] = r * area;
1550                         out[4*(x + outw * y)+1] = g * area;
1551                         out[4*(x + outw * y)+2] = b * area;
1552                         out[4*(x + outw * y)+3] = alpha * area;
1553                 }
1554         }
1555 }
1556
1557 qboolean SCR_CaptureVideo_VideoFrame(int newframenum)
1558 {
1559         int x = 0, y = 0, width = cls.capturevideo.width, height = cls.capturevideo.height;
1560         unsigned char *in, *out;
1561         CHECKGLERROR
1562         //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);
1563         // speed is critical here, so do saving as directly as possible
1564         switch (cls.capturevideo.format)
1565         {
1566         case CAPTUREVIDEOFORMAT_AVI_I420:
1567                 // if there's no videofile we have to just give up, and abort saving
1568                 if (!cls.capturevideo.videofile)
1569                         return false;
1570                 // FIXME: width/height must be multiple of 2, enforce this?
1571                 qglReadPixels (x, y, vid.width, vid.height, GL_BGRA, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1572                 SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1573                 in = cls.capturevideo.outbuffer;
1574                 out = cls.capturevideo.outbuffer + width*height*4;
1575                 SCR_CaptureVideo_ConvertFrame_BGRA_to_I420_flip(width, height, in, out);
1576                 x = width*height+(width/2)*(height/2)*2;
1577                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1578                 for (;cls.capturevideo.frame < newframenum;cls.capturevideo.frame++)
1579                 {
1580                         SCR_CaptureVideo_RIFF_IndexEntry("00dc", x, 0x10); // AVIIF_KEYFRAME
1581                         SCR_CaptureVideo_RIFF_Push("00dc", NULL);
1582                         SCR_CaptureVideo_RIFF_WriteBytes(out, x);
1583                         SCR_CaptureVideo_RIFF_Pop();
1584                 }
1585                 return true;
1586         default:
1587                 return false;
1588         }
1589 }
1590
1591 void SCR_CaptureVideo_SoundFrame(unsigned char *bufstereo16le, size_t length, int rate)
1592 {
1593         int x;
1594         cls.capturevideo.soundrate = rate;
1595         cls.capturevideo.soundsampleframe += length;
1596         switch (cls.capturevideo.format)
1597         {
1598         case CAPTUREVIDEOFORMAT_AVI_I420:
1599                 x = length*4;
1600                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1601                 SCR_CaptureVideo_RIFF_IndexEntry("01wb", x, 0x10); // AVIIF_KEYFRAME
1602                 SCR_CaptureVideo_RIFF_Push("01wb", NULL);
1603                 SCR_CaptureVideo_RIFF_WriteBytes(bufstereo16le, x);
1604                 SCR_CaptureVideo_RIFF_Pop();
1605                 break;
1606         default:
1607                 break;
1608         }
1609 }
1610
1611 void SCR_CaptureVideo(void)
1612 {
1613         int newframenum;
1614         if (cl_capturevideo.integer && r_render.integer)
1615         {
1616                 if (!cls.capturevideo.active)
1617                         SCR_CaptureVideo_BeginVideo();
1618                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value)
1619                 {
1620                         Con_Printf("You can not change the video framerate while recording a video.\n");
1621                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate);
1622                 }
1623                 // for AVI saving we have to make sure that sound is saved before video
1624                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1625                         return;
1626                 if (cls.capturevideo.realtime)
1627                 {
1628                         // preserve sound sync by duplicating frames when running slow
1629                         newframenum = (int)((realtime - cls.capturevideo.starttime) * cls.capturevideo.framerate);
1630                 }
1631                 else
1632                         newframenum = cls.capturevideo.frame + 1;
1633                 // if falling behind more than one second, stop
1634                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1635                 {
1636                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1637                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1638                         SCR_CaptureVideo_EndVideo();
1639                         return;
1640                 }
1641                 // write frames
1642                 SCR_CaptureVideo_VideoFrame(newframenum);
1643                 if (cls.capturevideo.error)
1644                 {
1645                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1646                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1647                         SCR_CaptureVideo_EndVideo();
1648                 }
1649         }
1650         else if (cls.capturevideo.active)
1651                 SCR_CaptureVideo_EndVideo();
1652 }
1653
1654 /*
1655 ===============
1656 R_Envmap_f
1657
1658 Grab six views for environment mapping tests
1659 ===============
1660 */
1661 struct envmapinfo_s
1662 {
1663         float angles[3];
1664         char *name;
1665         qboolean flipx, flipy, flipdiagonaly;
1666 }
1667 envmapinfo[12] =
1668 {
1669         {{  0,   0, 0}, "rt", false, false, false},
1670         {{  0, 270, 0}, "ft", false, false, false},
1671         {{  0, 180, 0}, "lf", false, false, false},
1672         {{  0,  90, 0}, "bk", false, false, false},
1673         {{-90, 180, 0}, "up",  true,  true, false},
1674         {{ 90, 180, 0}, "dn",  true,  true, false},
1675
1676         {{  0,   0, 0}, "px",  true,  true,  true},
1677         {{  0,  90, 0}, "py", false,  true, false},
1678         {{  0, 180, 0}, "nx", false, false,  true},
1679         {{  0, 270, 0}, "ny",  true, false, false},
1680         {{-90, 180, 0}, "pz", false, false,  true},
1681         {{ 90, 180, 0}, "nz", false, false,  true}
1682 };
1683
1684 static void R_Envmap_f (void)
1685 {
1686         int j, size;
1687         char filename[MAX_QPATH], basename[MAX_QPATH];
1688         unsigned char *buffer1;
1689         unsigned char *buffer2;
1690         unsigned char *buffer3;
1691
1692         if (Cmd_Argc() != 3)
1693         {
1694                 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");
1695                 return;
1696         }
1697
1698         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1699         size = atoi(Cmd_Argv(2));
1700         if (size != 128 && size != 256 && size != 512 && size != 1024)
1701         {
1702                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1703                 return;
1704         }
1705         if (size > vid.width || size > vid.height)
1706         {
1707                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1708                 return;
1709         }
1710
1711         r_refdef.envmap = true;
1712
1713         R_UpdateVariables();
1714
1715         r_refdef.view.x = 0;
1716         r_refdef.view.y = 0;
1717         r_refdef.view.z = 0;
1718         r_refdef.view.width = size;
1719         r_refdef.view.height = size;
1720         r_refdef.view.depth = 1;
1721         r_refdef.view.useperspective = true;
1722
1723         r_refdef.view.frustum_x = tan(90 * M_PI / 360.0);
1724         r_refdef.view.frustum_y = tan(90 * M_PI / 360.0);
1725
1726         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1727         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1728         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1729
1730         for (j = 0;j < 12;j++)
1731         {
1732                 sprintf(filename, "env/%s%s.tga", basename, envmapinfo[j].name);
1733                 Matrix4x4_CreateFromQuakeEntity(&r_refdef.view.matrix, r_refdef.view.origin[0], r_refdef.view.origin[1], r_refdef.view.origin[2], envmapinfo[j].angles[0], envmapinfo[j].angles[1], envmapinfo[j].angles[2], 1);
1734                 r_refdef.view.qualityreduction = 0;
1735                 r_refdef.view.clear = true;
1736                 R_Mesh_Start();
1737                 R_RenderView();
1738                 R_Mesh_Finish();
1739                 SCR_ScreenShot(filename, buffer1, buffer2, buffer3, 0, vid.height - (r_refdef.view.y + r_refdef.view.height), size, size, envmapinfo[j].flipx, envmapinfo[j].flipy, envmapinfo[j].flipdiagonaly, false, false);
1740         }
1741
1742         Mem_Free (buffer1);
1743         Mem_Free (buffer2);
1744         Mem_Free (buffer3);
1745
1746         r_refdef.envmap = false;
1747 }
1748
1749 //=============================================================================
1750
1751 void SHOWLMP_decodehide(void)
1752 {
1753         int i;
1754         char *lmplabel;
1755         lmplabel = MSG_ReadString();
1756         for (i = 0;i < cl.num_showlmps;i++)
1757                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1758                 {
1759                         cl.showlmps[i].isactive = false;
1760                         return;
1761                 }
1762 }
1763
1764 void SHOWLMP_decodeshow(void)
1765 {
1766         int k;
1767         char lmplabel[256], picname[256];
1768         float x, y;
1769         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1770         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1771         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1772         {
1773                 x = MSG_ReadByte();
1774                 y = MSG_ReadByte();
1775         }
1776         else
1777         {
1778                 x = MSG_ReadShort();
1779                 y = MSG_ReadShort();
1780         }
1781         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1782         {
1783                 showlmp_t *oldshowlmps = cl.showlmps;
1784                 cl.max_showlmps += 16;
1785                 cl.showlmps = Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1786                 if (cl.num_showlmps)
1787                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1788                 if (oldshowlmps)
1789                         Mem_Free(oldshowlmps);
1790         }
1791         for (k = 0;k < cl.max_showlmps;k++)
1792                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1793                         break;
1794         if (k == cl.max_showlmps)
1795                 for (k = 0;k < cl.max_showlmps;k++)
1796                         if (!cl.showlmps[k].isactive)
1797                                 break;
1798         cl.showlmps[k].isactive = true;
1799         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1800         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1801         cl.showlmps[k].x = x;
1802         cl.showlmps[k].y = y;
1803         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1804 }
1805
1806 void SHOWLMP_drawall(void)
1807 {
1808         int i;
1809         for (i = 0;i < cl.num_showlmps;i++)
1810                 if (cl.showlmps[i].isactive)
1811                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic(cl.showlmps[i].pic, true), 0, 0, 1, 1, 1, 1, 0);
1812 }
1813
1814 /*
1815 ==============================================================================
1816
1817                                                 SCREEN SHOTS
1818
1819 ==============================================================================
1820 */
1821
1822 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)
1823 {
1824         int     indices[3] = {0,1,2};
1825         qboolean ret;
1826
1827         if (!r_render.integer)
1828                 return false;
1829
1830         CHECKGLERROR
1831         qglReadPixels (x, y, width, height, jpeg ? GL_RGB : GL_BGR, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1832
1833         if (scr_screenshot_gammaboost.value != 1 && gammacorrect)
1834         {
1835                 int i;
1836                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1837                 unsigned char ramp[256];
1838                 for (i = 0;i < 256;i++)
1839                         ramp[i] = (unsigned char) (pow(i * (1.0 / 255.0), igamma) * 255.0);
1840                 for (i = 0;i < width*height*3;i++)
1841                         buffer1[i] = ramp[buffer1[i]];
1842         }
1843
1844         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1845
1846         if (jpeg)
1847                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1848         else
1849                 ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2, buffer3);
1850
1851         return ret;
1852 }
1853
1854 //=============================================================================
1855
1856 extern void R_UpdateFogColor(void);
1857 void R_ClearScreen(qboolean fogcolor)
1858 {
1859         // clear to black
1860         CHECKGLERROR
1861         if (fogcolor)
1862         {
1863                 R_UpdateFogColor();
1864                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1865         }
1866         else
1867         {
1868                 qglClearColor(0,0,0,0);CHECKGLERROR
1869         }
1870         qglClearDepth(1);CHECKGLERROR
1871         if (gl_stencil)
1872         {
1873                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1874                 // to avoid clamping interfering with strange shadow volume
1875                 // drawing orders
1876                 qglClearStencil(128);CHECKGLERROR
1877         }
1878         // clear the screen
1879         if (r_render.integer)
1880                 GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
1881         // set dithering mode
1882         if (gl_dither.integer)
1883         {
1884                 qglEnable(GL_DITHER);CHECKGLERROR
1885         }
1886         else
1887         {
1888                 qglDisable(GL_DITHER);CHECKGLERROR
1889         }
1890 }
1891
1892 qboolean CL_VM_UpdateView (void);
1893 void SCR_DrawConsole (void);
1894 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1895
1896 int r_stereo_side;
1897
1898 void SCR_DrawScreen (void)
1899 {
1900         R_Mesh_Start();
1901
1902         R_TimeReport_BeginFrame();
1903
1904         R_UpdateVariables();
1905
1906         // Quake uses clockwise winding, so these are swapped
1907         r_refdef.view.cullface_front = GL_BACK;
1908         r_refdef.view.cullface_back = GL_FRONT;
1909
1910         if (cls.signon == SIGNONS)
1911         {
1912                 float size;
1913
1914                 size = scr_viewsize.value * (1.0 / 100.0);
1915                 size = min(size, 1);
1916
1917                 if (r_stereo_sidebyside.integer)
1918                 {
1919                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1920                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1921                         r_refdef.view.depth = 1;
1922                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1923                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1924                         r_refdef.view.z = 0;
1925                         if (r_stereo_side)
1926                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1927                 }
1928                 else
1929                 {
1930                         r_refdef.view.width = (int)(vid.width * size);
1931                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1932                         r_refdef.view.depth = 1;
1933                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1934                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1935                         r_refdef.view.z = 0;
1936                 }
1937
1938                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1939                 // LordHavoc: this is designed to produce widescreen fov values
1940                 // when the screen is wider than 4/3 width/height aspect, to do
1941                 // this it simply assumes the requested fov is the vertical fov
1942                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1943                 // higher/lower according to the ratio
1944                 r_refdef.view.useperspective = true;
1945                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1946                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1947
1948                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1949                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1950
1951                 if(!CL_VM_UpdateView())
1952                         R_RenderView();
1953
1954                 if (scr_zoomwindow.integer)
1955                 {
1956                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1957                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1958                         r_refdef.view.width = (int)(vid.width * sizex);
1959                         r_refdef.view.height = (int)(vid.height * sizey);
1960                         r_refdef.view.depth = 1;
1961                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1962                         r_refdef.view.y = 0;
1963                         r_refdef.view.z = 0;
1964
1965                         r_refdef.view.useperspective = true;
1966                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1967                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1968
1969                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1970                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1971
1972                         if(!CL_VM_UpdateView())
1973                                 R_RenderView();
1974                 }
1975         }
1976
1977         if (!r_stereo_sidebyside.integer)
1978         {
1979                 r_refdef.view.width = vid.width;
1980                 r_refdef.view.height = vid.height;
1981                 r_refdef.view.depth = 1;
1982                 r_refdef.view.x = 0;
1983                 r_refdef.view.y = 0;
1984                 r_refdef.view.z = 0;
1985                 r_refdef.view.useperspective = false;
1986         }
1987
1988         // draw 2D stuff
1989         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1990                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1991                         Con_DrawNotify ();      // only draw notify in game
1992
1993         if (cls.signon == SIGNONS)
1994         {
1995                 SCR_DrawNet ();
1996                 SCR_DrawTurtle ();
1997                 SCR_DrawPause ();
1998                 if (!r_letterbox.value)
1999                         Sbar_Draw();
2000                 SHOWLMP_drawall();
2001                 SCR_CheckDrawCenterString();
2002         }
2003         SCR_DrawNetGraph ();
2004         MR_Draw();
2005         CL_DrawVideo();
2006         R_Shadow_EditLights_DrawSelectedLightProperties();
2007
2008         SCR_DrawConsole();
2009
2010         SCR_DrawBrand();
2011
2012         SCR_DrawDownload();
2013
2014         if (r_timereport_active)
2015                 R_TimeReport("2d");
2016
2017         if (cls.signon == SIGNONS)
2018                 R_TimeReport_EndFrame();
2019
2020         DrawQ_Finish();
2021
2022         R_DrawGamma();
2023
2024         R_Mesh_Finish();
2025 }
2026
2027 void SCR_UpdateLoadingScreen (qboolean clear)
2028 {
2029         float x, y;
2030         cachepic_t *pic;
2031         float vertex3f[12];
2032         float texcoord2f[8];
2033         // don't do anything if not initialized yet
2034         if (vid_hidden || !scr_refresh.integer)
2035                 return;
2036         CHECKGLERROR
2037         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2038         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2039         //qglDepthMask(1);CHECKGLERROR
2040         qglColorMask(1,1,1,1);CHECKGLERROR
2041         qglClearColor(0,0,0,0);CHECKGLERROR
2042         // when starting up a new video mode, make sure the screen is cleared to black
2043         if (clear)
2044         {
2045                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
2046         }
2047         //qglDisable(GL_CULL_FACE);CHECKGLERROR
2048         //R_ClearScreen();
2049         R_Textures_Frame();
2050         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
2051         R_Mesh_Start();
2052         R_Mesh_Matrix(&identitymatrix);
2053         // draw the loading plaque
2054         pic = Draw_CachePic("gfx/loading", true);
2055         x = (vid_conwidth.integer - pic->width)/2;
2056         y = (vid_conheight.integer - pic->height)/2;
2057         GL_Color(1,1,1,1);
2058         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2059         GL_DepthRange(0, 1);
2060         GL_PolygonOffset(0, 0);
2061         GL_DepthTest(false);
2062         R_Mesh_VertexPointer(vertex3f, 0, 0);
2063         R_Mesh_ColorPointer(NULL, 0, 0);
2064         R_Mesh_ResetTextureState();
2065         R_Mesh_TexBind(0, R_GetTexture(pic->tex));
2066         R_Mesh_TexCoordPointer(0, 2, texcoord2f, 0, 0);
2067         vertex3f[2] = vertex3f[5] = vertex3f[8] = vertex3f[11] = 0;
2068         vertex3f[0] = vertex3f[9] = x;
2069         vertex3f[1] = vertex3f[4] = y;
2070         vertex3f[3] = vertex3f[6] = x + pic->width;
2071         vertex3f[7] = vertex3f[10] = y + pic->height;
2072         texcoord2f[0] = 0;texcoord2f[1] = 0;
2073         texcoord2f[2] = 1;texcoord2f[3] = 0;
2074         texcoord2f[4] = 1;texcoord2f[5] = 1;
2075         texcoord2f[6] = 0;texcoord2f[7] = 1;
2076         if (vid.stereobuffer)
2077         {
2078                 qglDrawBuffer(GL_FRONT_LEFT);
2079                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2080                 qglDrawBuffer(GL_FRONT_RIGHT);
2081                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2082         }
2083         else
2084         {
2085                 qglDrawBuffer(GL_FRONT);
2086                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2087         }
2088         R_Mesh_Finish();
2089         // refresh
2090         // not necessary when rendering to GL_FRONT buffers
2091         //VID_Finish(false);
2092         // however this IS necessary on Windows Vista
2093         qglFinish();
2094 }
2095
2096 extern cvar_t cl_minfps;
2097 extern cvar_t cl_minfps_expbase;
2098 extern cvar_t cl_minfps_fade;
2099 extern cvar_t cl_minfps_maxqualityreduction;
2100 static double cl_updatescreen_rendertime = 0;
2101 static double cl_updatescreen_qualityreduction = 0;
2102 void CL_UpdateScreen(void)
2103 {
2104         double rendertime1;
2105         float conwidth, conheight;
2106
2107         if (vid_hidden || !scr_refresh.integer)
2108                 return;
2109
2110         if (!scr_initialized || !con_initialized)
2111                 return;                         // not initialized yet
2112
2113         rendertime1 = Sys_DoubleTime();
2114
2115         conwidth = bound(320, vid_conwidth.value, 2048);
2116         conheight = bound(200, vid_conheight.value, 1536);
2117         if (vid_conwidth.value != conwidth)
2118                 Cvar_SetValue("vid_conwidth", conwidth);
2119         if (vid_conheight.value != conheight)
2120                 Cvar_SetValue("vid_conheight", conheight);
2121
2122         // bound viewsize
2123         if (scr_viewsize.value < 30)
2124                 Cvar_Set ("viewsize","30");
2125         if (scr_viewsize.value > 120)
2126                 Cvar_Set ("viewsize","120");
2127
2128         // bound field of view
2129         if (scr_fov.value < 1)
2130                 Cvar_Set ("fov","1");
2131         if (scr_fov.value > 170)
2132                 Cvar_Set ("fov","170");
2133
2134         // validate r_textureunits cvar
2135         if (r_textureunits.integer > gl_textureunits)
2136                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
2137         if (r_textureunits.integer < 1)
2138                 Cvar_SetValueQuick(&r_textureunits, 1);
2139
2140         // validate gl_combine cvar
2141         if (gl_combine.integer && !gl_combine_extension)
2142                 Cvar_SetValueQuick(&gl_combine, 0);
2143
2144         // intermission is always full screen
2145         if (cl.intermission)
2146                 sb_lines = 0;
2147         else
2148         {
2149                 if (scr_viewsize.value >= 120)
2150                         sb_lines = 0;           // no status bar at all
2151                 else if (scr_viewsize.value >= 110)
2152                         sb_lines = 24;          // no inventory
2153                 else
2154                         sb_lines = 24+16+8;
2155         }
2156
2157         r_refdef.view.colormask[0] = 1;
2158         r_refdef.view.colormask[1] = 1;
2159         r_refdef.view.colormask[2] = 1;
2160
2161         SCR_SetUpToDrawConsole();
2162
2163         CHECKGLERROR
2164         qglDrawBuffer(GL_BACK);CHECKGLERROR
2165         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2166         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2167         qglDepthMask(1);CHECKGLERROR
2168         qglColorMask(1,1,1,1);CHECKGLERROR
2169         qglClearColor(0,0,0,0);CHECKGLERROR
2170         R_ClearScreen(false);
2171         r_refdef.view.clear = false;
2172         r_refdef.view.qualityreduction = (int)floor(cl_updatescreen_qualityreduction + 0.5);
2173
2174         if(scr_stipple.integer)
2175         {
2176                 GLubyte stipple[128];
2177                 int i, s, width, parts;
2178                 static int frame = 0;
2179                 ++frame;
2180
2181                 s = scr_stipple.integer;
2182                 parts = (s & 007);
2183                 width = (s & 070) >> 3;
2184
2185                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
2186                 for(i = 0; i < 128; ++i)
2187                 {
2188                         int line = i/4;
2189                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2190                 }
2191                 qglPolygonStipple(stipple);
2192         }
2193         else
2194                 qglDisable(GL_POLYGON_STIPPLE);
2195
2196         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
2197         {
2198                 matrix4x4_t originalmatrix = r_refdef.view.matrix;
2199                 matrix4x4_t offsetmatrix;
2200                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2201                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2202
2203                 if (r_stereo_sidebyside.integer)
2204                         r_stereo_side = 0;
2205
2206                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2207                 {
2208                         r_refdef.view.colormask[0] = 1;
2209                         r_refdef.view.colormask[1] = 0;
2210                         r_refdef.view.colormask[2] = 0;
2211                 }
2212
2213                 if (vid.stereobuffer)
2214                         qglDrawBuffer(GL_BACK_RIGHT);
2215
2216                 SCR_DrawScreen();
2217
2218                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2219                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
2220
2221                 if (r_stereo_sidebyside.integer)
2222                         r_stereo_side = 1;
2223
2224                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2225                 {
2226                         r_refdef.view.colormask[0] = 0;
2227                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2228                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2229                 }
2230
2231                 if (vid.stereobuffer)
2232                         qglDrawBuffer(GL_BACK_LEFT);
2233
2234                 SCR_DrawScreen();
2235
2236                 r_refdef.view.matrix = originalmatrix;
2237         }
2238         else
2239                 SCR_DrawScreen();
2240
2241         SCR_CaptureVideo();
2242
2243         // quality adjustment according to render time
2244         qglFlush();
2245         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0.01, cl_minfps_fade.value, 1);
2246         if (cl_minfps.value > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2247                 cl_updatescreen_qualityreduction = invpow(cl_minfps_expbase.value, cl_minfps.value * cl_updatescreen_rendertime);
2248         else
2249                 cl_updatescreen_qualityreduction = 0;
2250         cl_updatescreen_qualityreduction = bound(0, cl_updatescreen_qualityreduction, bound(0, cl_minfps_maxqualityreduction.value, 30));
2251
2252         VID_Finish(true);
2253 }
2254
2255 void CL_Screen_NewMap(void)
2256 {
2257 }