removed scr_zoomwindow feature to simplify code
[xonotic/darkplaces.git] / cl_screen.c
1
2 #include "quakedef.h"
3 #include "cl_video.h"
4 #include "image.h"
5 #include "jpeg.h"
6 #include "image_png.h"
7 #include "cl_collision.h"
8 #include "libcurl.h"
9 #include "csprogs.h"
10 #include "cap_avi.h"
11 #include "cap_ogg.h"
12
13 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
14 #include "snd_main.h"
15
16 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
17 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
18 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background gfx/conback"};
19 cvar_t scr_conalphafactor = {CVAR_SAVE, "scr_conalphafactor", "1", "opacity of console background gfx/conback relative to scr_conalpha; when 0, gfx/conback is not drawn"};
20 cvar_t scr_conalpha2factor = {CVAR_SAVE, "scr_conalpha2factor", "0", "opacity of console background gfx/conback2 relative to scr_conalpha; when 0, gfx/conback2 is not drawn"};
21 cvar_t scr_conalpha3factor = {CVAR_SAVE, "scr_conalpha3factor", "0", "opacity of console background gfx/conback3 relative to scr_conalpha; when 0, gfx/conback3 is not drawn"};
22 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
23 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
24 cvar_t scr_conscroll_x = {CVAR_SAVE, "scr_conscroll_x", "0", "scroll speed of gfx/conback in x direction"};
25 cvar_t scr_conscroll_y = {CVAR_SAVE, "scr_conscroll_y", "0", "scroll speed of gfx/conback in y direction"};
26 cvar_t scr_conscroll2_x = {CVAR_SAVE, "scr_conscroll2_x", "0", "scroll speed of gfx/conback2 in x direction"};
27 cvar_t scr_conscroll2_y = {CVAR_SAVE, "scr_conscroll2_y", "0", "scroll speed of gfx/conback2 in y direction"};
28 cvar_t scr_conscroll3_x = {CVAR_SAVE, "scr_conscroll3_x", "0", "scroll speed of gfx/conback3 in x direction"};
29 cvar_t scr_conscroll3_y = {CVAR_SAVE, "scr_conscroll3_y", "0", "scroll speed of gfx/conback3 in y direction"};
30 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
31 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
32 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
33 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
34 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
35 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
36 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
37 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
38 cvar_t scr_loadingscreen_scale = {0, "scr_loadingscreen_scale","1", "scale factor of the background"};
39 cvar_t scr_loadingscreen_scale_base = {0, "scr_loadingscreen_scale_base","0", "0 = console pixels, 1 = video pixels"};
40 cvar_t scr_loadingscreen_scale_limit = {0, "scr_loadingscreen_scale_limit","0", "0 = no limit, 1 = until first edge hits screen edge, 2 = until last edge hits screen edge, 3 = until width hits screen width, 4 = until height hits screen height"};
41 cvar_t scr_loadingscreen_count = {0, "scr_loadingscreen_count","1", "number of loading screen files to use randomly (named loading.tga, loading2.tga, loading3.tga, ...)"};
42 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
43 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "the height of the loadingscreen progress bar"};
44 cvar_t scr_infobar_height = {0, "scr_infobar_height", "8", "the height of the infobar items"};
45 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
46 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
47 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)"};
48 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
49 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
50 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
51 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
52 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
53 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
54 cvar_t scr_screenshot_timestamp = {CVAR_SAVE, "scr_screenshot_timestamp", "1", "use a timestamp based number of the type YYYYMMDDHHMMSSsss instead of sequential numbering"};
55 // scr_screenshot_name is defined in fs.c
56 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)"};
57 cvar_t cl_capturevideo_printfps = {CVAR_SAVE, "cl_capturevideo_printfps", "1", "prints the frames per second captured in capturevideo (is only written to the log file, not to the console, as that would be visible on the video)"};
58 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
59 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
60 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"};
61 cvar_t cl_capturevideo_fps = {CVAR_SAVE, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
62 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
63 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
64 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
65 cvar_t cl_capturevideo_framestep = {CVAR_SAVE, "cl_capturevideo_framestep", "1", "when set to n >= 1, render n frames to capture one (useful for motion blur like effects)"};
66 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)"};
67 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)"};
68 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)"};
69 cvar_t r_stereo_horizontal = {0, "r_stereo_horizontal", "0", "aspect skewed side by side view for special decoder/display hardware"};
70 cvar_t r_stereo_vertical = {0, "r_stereo_vertical", "0", "aspect skewed top and bottom view for special decoder/display hardware"};
71 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)"};
72 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"};
73 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
74 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)"};
75 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
76 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
77 cvar_t scr_screenshot_name_in_mapdir = {CVAR_SAVE, "scr_screenshot_name_in_mapdir", "0", "if set to 1, screenshots are placed in a subdirectory named like the map they are from"};
78 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)"};
79 cvar_t cl_demo_mousegrab = {0, "cl_demo_mousegrab", "0", "Allows reading the mouse input while playing demos. Useful for camera mods developed in csqc. (0: never, 1: always)"};
80 cvar_t timedemo_screenshotframelist = {0, "timedemo_screenshotframelist", "", "when performing a timedemo, take screenshots of each frame in this space-separated list - example: 1 201 401"};
81 cvar_t vid_touchscreen_outlinealpha = {0, "vid_touchscreen_outlinealpha", "0.25", "opacity of touchscreen area outlines"};
82 cvar_t vid_touchscreen_overlayalpha = {0, "vid_touchscreen_overlayalpha", "0.25", "opacity of touchscreen area icons"};
83
84 extern cvar_t v_glslgamma;
85 extern cvar_t sbar_info_pos;
86 extern cvar_t r_fog_clear;
87 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
88
89 int jpeg_supported = false;
90
91 qboolean        scr_initialized;                // ready to draw
92
93 float           scr_con_current;
94 int                     scr_con_margin_bottom;
95
96 extern int      con_vislines;
97
98 static void SCR_ScreenShot_f (void);
99 static void R_Envmap_f (void);
100
101 // backend
102 void R_ClearScreen(qboolean fogcolor);
103
104 /*
105 ===============================================================================
106
107 CENTER PRINTING
108
109 ===============================================================================
110 */
111
112 char            scr_centerstring[MAX_INPUTLINE];
113 float           scr_centertime_start;   // for slow victory printing
114 float           scr_centertime_off;
115 int                     scr_center_lines;
116 int                     scr_erase_lines;
117 int                     scr_erase_center;
118 char        scr_infobarstring[MAX_INPUTLINE];
119 float       scr_infobartime_off;
120
121 /*
122 ==============
123 SCR_CenterPrint
124
125 Called for important messages that should stay in the center of the screen
126 for a few moments
127 ==============
128 */
129 void SCR_CenterPrint(const char *str)
130 {
131         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
132         scr_centertime_off = scr_centertime.value;
133         scr_centertime_start = cl.time;
134
135 // count the number of lines for centering
136         scr_center_lines = 1;
137         while (*str)
138         {
139                 if (*str == '\n')
140                         scr_center_lines++;
141                 str++;
142         }
143 }
144
145
146 void SCR_DrawCenterString (void)
147 {
148         char    *start;
149         int             x, y;
150         int             remaining;
151         int             color;
152
153         if(cl.intermission == 2) // in finale,
154                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
155                         return;
156
157         if(scr_centertime.value <= 0 && !cl.intermission)
158                 return;
159
160 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
161         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
162                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
163         else
164                 remaining = 9999;
165
166         scr_erase_center = 0;
167         start = scr_centerstring;
168
169         if (remaining < 1)
170                 return;
171
172         if (scr_center_lines <= 4)
173                 y = (int)(vid_conheight.integer*0.35);
174         else
175                 y = 48;
176
177         color = -1;
178         do
179         {
180                 // scan the number of characters on the line, not counting color codes
181                 char *newline = strchr(start, '\n');
182                 int l = newline ? (newline - start) : (int)strlen(start);
183                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
184
185                 x = (int) (vid_conwidth.integer - width)/2;
186                 if (l > 0)
187                 {
188                         if (remaining < l)
189                                 l = remaining;
190                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
191                         remaining -= l;
192                         if (remaining <= 0)
193                                 return;
194                 }
195                 y += 8;
196
197                 if (!newline)
198                         break;
199                 start = newline + 1; // skip the \n
200         } while (1);
201 }
202
203 void SCR_CheckDrawCenterString (void)
204 {
205         if (scr_center_lines > scr_erase_lines)
206                 scr_erase_lines = scr_center_lines;
207
208         if (cl.time > cl.oldtime)
209                 scr_centertime_off -= cl.time - cl.oldtime;
210
211         // don't draw if this is a normal stats-screen intermission,
212         // only if it is not an intermission, or a finale intermission
213         if (cl.intermission == 1)
214                 return;
215         if (scr_centertime_off <= 0 && !cl.intermission)
216                 return;
217         if (key_dest != key_game)
218                 return;
219
220         SCR_DrawCenterString ();
221 }
222
223 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
224 {
225         netgraphitem_t *graph;
226         int j, x, y, numlines;
227         int totalbytes = 0;
228         char bytesstring[128];
229         float g[NETGRAPH_PACKETS][6];
230         float *a;
231         float *b;
232         float vertex3f[(NETGRAPH_PACKETS+2)*5*2*3];
233         float color4f[(NETGRAPH_PACKETS+2)*5*2*4];
234         float *v;
235         float *c;
236         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
237         // draw the bar graph itself
238         // advance the packet counter because it is the latest packet column being
239         // built up and should come last
240         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
241         memset(g, 0, sizeof(g));
242         for (j = 0;j < NETGRAPH_PACKETS;j++)
243         {
244                 graph = netgraph + j;
245                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
246                 g[j][1] = 1.0f;
247                 g[j][2] = 1.0f;
248                 g[j][3] = 1.0f;
249                 g[j][4] = 1.0f;
250                 g[j][5] = 1.0f;
251                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
252                         g[j][1] = 0.00f;
253                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
254                         g[j][2] = 0.96f;
255                 else
256                 {
257                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
258                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
259                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
260                         // count bytes in the last second
261                         if (realtime - graph->time < 1.0f)
262                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
263                 }
264                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
265                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
266                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
267                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
268                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
269         }
270         // render the lines for the graph
271         numlines = 0;
272         v = vertex3f;
273         c = color4f;
274         for (j = 0;j < NETGRAPH_PACKETS;j++)
275         {
276                 a = g[j];
277                 b = g[(j+1)%NETGRAPH_PACKETS];
278                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
279                         continue;
280                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[2], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 0.0f, 1.0f);c += 4;
281                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[2], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 0.0f, 1.0f);c += 4;
282
283                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[1], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.0f, 0.0f, 1.0f);c += 4;
284                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[1], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.0f, 0.0f, 1.0f);c += 4;
285
286                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[5], 0.0f);v += 3;Vector4Set(c, 0.0f, 1.0f, 0.0f, 1.0f);c += 4;
287                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[5], 0.0f);v += 3;Vector4Set(c, 0.0f, 1.0f, 0.0f, 1.0f);c += 4;
288
289                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[4], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 1.0f, 1.0f);c += 4;
290                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[4], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 1.0f, 1.0f);c += 4;
291
292                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[3], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.5f, 0.0f, 1.0f);c += 4;
293                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[3], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.5f, 0.0f, 1.0f);c += 4;
294
295                 numlines += 5;
296         }
297         if (numlines > 0)
298                 DrawQ_Lines(0.0f, numlines, vertex3f, color4f, 0);
299         x = graphx;
300         y = graphy + graphheight;
301         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
302         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
303         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
304 }
305
306 /*
307 ==============
308 SCR_DrawNetGraph
309 ==============
310 */
311 void SCR_DrawNetGraph (void)
312 {
313         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
314         float graphscale;
315         netconn_t *c;
316
317         if (cls.state != ca_connected)
318                 return;
319         if (!cls.netcon)
320                 return;
321         if (!shownetgraph.integer)
322                 return;
323
324         separator1 = 2;
325         separator2 = 4;
326         textsize = 8;
327         graphwidth = 120;
328         graphheight = 70;
329         graphscale = 1.0f / 1500.0f;
330
331         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
332         netgraphsperrow = max(netgraphsperrow, 1);
333
334         index = 0;
335         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
336         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
337         c = cls.netcon;
338         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
339         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
340         index++;
341
342         if (sv.active && shownetgraph.integer >= 2)
343         {
344                 for (i = 0;i < svs.maxclients;i++)
345                 {
346                         c = svs.clients[i].netconnection;
347                         if (!c)
348                                 continue;
349                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
350                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
351                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
352                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
353                         index++;
354                 }
355         }
356 }
357
358 /*
359 ==============
360 SCR_DrawTurtle
361 ==============
362 */
363 void SCR_DrawTurtle (void)
364 {
365         static int      count;
366
367         if (cls.state != ca_connected)
368                 return;
369
370         if (!scr_showturtle.integer)
371                 return;
372
373         if (cl.realframetime < 0.1)
374         {
375                 count = 0;
376                 return;
377         }
378
379         count++;
380         if (count < 3)
381                 return;
382
383         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
384 }
385
386 /*
387 ==============
388 SCR_DrawNet
389 ==============
390 */
391 void SCR_DrawNet (void)
392 {
393         if (cls.state != ca_connected)
394                 return;
395         if (realtime - cl.last_received_message < 0.3)
396                 return;
397         if (cls.demoplayback)
398                 return;
399
400         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
401 }
402
403 /*
404 ==============
405 DrawPause
406 ==============
407 */
408 void SCR_DrawPause (void)
409 {
410         cachepic_t      *pic;
411
412         if (cls.state != ca_connected)
413                 return;
414
415         if (!scr_showpause.integer)             // turn off for screenshots
416                 return;
417
418         if (!cl.paused)
419                 return;
420
421         pic = Draw_CachePic ("gfx/pause");
422         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
423 }
424
425 /*
426 ==============
427 SCR_DrawBrand
428 ==============
429 */
430 void SCR_DrawBrand (void)
431 {
432         cachepic_t      *pic;
433         float           x, y;
434
435         if (!scr_showbrand.value)
436                 return;
437
438         pic = Draw_CachePic ("gfx/brand");
439
440         switch ((int)scr_showbrand.value)
441         {
442         case 1: // bottom left
443                 x = 0;
444                 y = vid_conheight.integer - pic->height;
445                 break;
446         case 2: // bottom centre
447                 x = (vid_conwidth.integer - pic->width) / 2;
448                 y = vid_conheight.integer - pic->height;
449                 break;
450         case 3: // bottom right
451                 x = vid_conwidth.integer - pic->width;
452                 y = vid_conheight.integer - pic->height;
453                 break;
454         case 4: // centre right
455                 x = vid_conwidth.integer - pic->width;
456                 y = (vid_conheight.integer - pic->height) / 2;
457                 break;
458         case 5: // top right
459                 x = vid_conwidth.integer - pic->width;
460                 y = 0;
461                 break;
462         case 6: // top centre
463                 x = (vid_conwidth.integer - pic->width) / 2;
464                 y = 0;
465                 break;
466         case 7: // top left
467                 x = 0;
468                 y = 0;
469                 break;
470         case 8: // centre left
471                 x = 0;
472                 y = (vid_conheight.integer - pic->height) / 2;
473                 break;
474         default:
475                 return;
476         }
477
478         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
479 }
480
481 /*
482 ==============
483 SCR_DrawQWDownload
484 ==============
485 */
486 static int SCR_DrawQWDownload(int offset)
487 {
488         // sync with SCR_InfobarHeight
489         int len;
490         float x, y;
491         float size = scr_infobar_height.value;
492         char temp[256];
493
494         if (!cls.qw_downloadname[0])
495         {
496                 cls.qw_downloadspeedrate = 0;
497                 cls.qw_downloadspeedtime = realtime;
498                 cls.qw_downloadspeedcount = 0;
499                 return 0;
500         }
501         if (realtime >= cls.qw_downloadspeedtime + 1)
502         {
503                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
504                 cls.qw_downloadspeedtime = realtime;
505                 cls.qw_downloadspeedcount = 0;
506         }
507         if (cls.protocol == PROTOCOL_QUAKEWORLD)
508                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
509         else
510                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i/%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadmemorymaxsize, cls.qw_downloadspeedrate);
511         len = (int)strlen(temp);
512         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
513         y = vid_conheight.integer - size - offset;
514         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
515         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
516         return size;
517 }
518 /*
519 ==============
520 SCR_DrawInfobarString
521 ==============
522 */
523 static int SCR_DrawInfobarString(int offset)
524 {
525         int len;
526         float x, y;
527         float size = scr_infobar_height.value;
528
529         len = (int)strlen(scr_infobarstring);
530         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
531         y = vid_conheight.integer - size - offset;
532         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
533         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
534         return size;
535 }
536
537 /*
538 ==============
539 SCR_DrawCurlDownload
540 ==============
541 */
542 static int SCR_DrawCurlDownload(int offset)
543 {
544         // sync with SCR_InfobarHeight
545         int len;
546         int nDownloads;
547         int i;
548         float x, y;
549         float size = scr_infobar_height.value;
550         Curl_downloadinfo_t *downinfo;
551         char temp[256];
552         const char *addinfo;
553
554         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
555         if(!downinfo)
556                 return 0;
557
558         y = vid_conheight.integer - size * nDownloads - offset;
559
560         if(addinfo)
561         {
562                 len = (int)strlen(addinfo);
563                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
564                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
565                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
566         }
567
568         for(i = 0; i != nDownloads; ++i)
569         {
570                 if(downinfo[i].queued)
571                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s", downinfo[i].filename);
572                 else if(downinfo[i].progress <= 0)
573                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s", downinfo[i].filename, downinfo[i].speed / 1024.0);
574                 else
575                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
576                 len = (int)strlen(temp);
577                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
578                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
579                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
580         }
581
582         Z_Free(downinfo);
583
584         return size * (nDownloads + (addinfo ? 1 : 0));
585 }
586
587 /*
588 ==============
589 SCR_DrawInfobar
590 ==============
591 */
592 static void SCR_DrawInfobar(void)
593 {
594         int offset = 0;
595         offset += SCR_DrawQWDownload(offset);
596         offset += SCR_DrawCurlDownload(offset);
597         if(scr_infobartime_off > 0)
598                 offset += SCR_DrawInfobarString(offset);
599         if(offset != scr_con_margin_bottom)
600                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
601 }
602
603 static int SCR_InfobarHeight(void)
604 {
605         int offset = 0;
606         Curl_downloadinfo_t *downinfo;
607         const char *addinfo;
608         int nDownloads;
609
610         if (cl.time > cl.oldtime)
611                 scr_infobartime_off -= cl.time - cl.oldtime;
612         if(scr_infobartime_off > 0)
613                 offset += 1;
614         if(cls.qw_downloadname[0])
615                 offset += 1;
616
617         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
618         if(downinfo)
619         {
620                 offset += (nDownloads + (addinfo ? 1 : 0));
621                 Z_Free(downinfo);
622         }
623         offset *= scr_infobar_height.value;
624
625         return offset;
626 }
627
628 /*
629 ==============
630 SCR_InfoBar_f
631 ==============
632 */
633 void SCR_InfoBar_f(void)
634 {
635         if(Cmd_Argc() == 3)
636         {
637                 scr_infobartime_off = atof(Cmd_Argv(1));
638                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
639         }
640         else
641         {
642                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
643         }
644 }
645 //=============================================================================
646
647 /*
648 ==================
649 SCR_SetUpToDrawConsole
650 ==================
651 */
652 void SCR_SetUpToDrawConsole (void)
653 {
654         // lines of console to display
655         float conlines;
656         static int framecounter = 0;
657
658         Con_CheckResize ();
659
660         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
661         {
662                 if (framecounter >= 2)
663                         MR_ToggleMenu(1);
664                 else
665                         framecounter++;
666         }
667         else
668                 framecounter = 0;
669
670         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
671                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
672         else
673                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
674
675 // decide on the height of the console
676         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
677                 conlines = vid_conheight.integer/2;     // half screen
678         else
679                 conlines = 0;                           // none visible
680
681         scr_con_current = conlines;
682 }
683
684 /*
685 ==================
686 SCR_DrawConsole
687 ==================
688 */
689 void SCR_DrawConsole (void)
690 {
691         scr_con_margin_bottom = SCR_InfobarHeight();
692         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
693         {
694                 // full screen
695                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
696         }
697         else if (scr_con_current)
698                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
699         else
700                 con_vislines = 0;
701 }
702
703 /*
704 ===============
705 SCR_BeginLoadingPlaque
706
707 ================
708 */
709 void SCR_BeginLoadingPlaque (void)
710 {
711         // save console log up to this point to log_file if it was set by configs
712         Log_Start();
713
714         Host_StartVideo();
715         SCR_UpdateLoadingScreen(false);
716 }
717
718 //=============================================================================
719
720 char r_speeds_timestring[4096];
721 int speedstringcount, r_timereport_active;
722 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
723 int r_speeds_longestitem = 0;
724
725 void R_TimeReport(const char *desc)
726 {
727         char tempbuf[256];
728         int length;
729         int t;
730
731         if (r_speeds.integer < 2 || !r_timereport_active)
732                 return;
733
734         CHECKGLERROR
735         if (r_speeds.integer == 2)
736                 GL_Finish();
737         CHECKGLERROR
738         r_timereport_temp = r_timereport_current;
739         r_timereport_current = Sys_DoubleTime();
740         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
741
742         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
743         length = min(length, (int)sizeof(tempbuf) - 1);
744         if (r_speeds_longestitem < length)
745                 r_speeds_longestitem = length;
746         for (;length < r_speeds_longestitem;length++)
747                 tempbuf[length] = ' ';
748         tempbuf[length] = 0;
749
750         if (speedstringcount + length > (vid_conwidth.integer / 8))
751         {
752                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
753                 speedstringcount = 0;
754         }
755         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
756         speedstringcount += length;
757 }
758
759 void R_TimeReport_BeginFrame(void)
760 {
761         speedstringcount = 0;
762         r_speeds_timestring[0] = 0;
763         r_timereport_active = false;
764         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
765
766         if (r_speeds.integer >= 2)
767         {
768                 r_timereport_active = true;
769                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
770         }
771 }
772
773 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
774 {
775         int i, triangles = 0;
776         for (i = 0;i < leaf->numleafsurfaces;i++)
777                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
778         return triangles;
779 }
780
781 extern cvar_t r_viewscale;
782 extern float viewscalefpsadjusted;
783 void R_TimeReport_EndFrame(void)
784 {
785         int i, j, lines, y;
786         cl_locnode_t *loc;
787         char string[1024+4096];
788         mleaf_t *viewleaf;
789
790         string[0] = 0;
791         if (r_speeds.integer)
792         {
793                 // put the location name in the r_speeds display as it greatly helps
794                 // when creating loc files
795                 loc = CL_Locs_FindNearest(cl.movement_origin);
796                 viewleaf = (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.PointInLeaf) ? r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, r_refdef.view.origin) : NULL;
797                 dpsnprintf(string, sizeof(string),
798 "%6.0fus rendertime %3.0f%% viewscale %s%s %.3f cl.time%2.4f brightness\n"
799 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
800 "%5i viewleaf%5i cluster%3i area%4i brushes%4i surfaces(%7i triangles)\n"
801 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
802 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
803 "%7i lightmap updates (%7i pixels)%8iKB/%8iKB framedata\n"
804 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
805 "bouncegrid:%4i lights%6i particles%6i traces%6i hits%6i splats%6i bounces\n"
806 "collision cache efficiency:%6i cached%6i traced%6ianimated\n"
807 "%6i draws%8i vertices%8i triangles bloompixels%8i copied%8i drawn\n"
808 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
809 "%s"
810 , r_refdef.lastdrawscreentime * 1000000.0, r_viewscale.value * sqrt(viewscalefpsadjusted) * 100.0f, loc ? "Location: " : "", loc ? loc->name : "", cl.time, r_refdef.view.colorscale
811 , 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]
812 , viewleaf ? (int)(viewleaf - r_refdef.scene.worldmodel->brush.data_leafs) : -1, viewleaf ? viewleaf->clusterindex : -1, viewleaf ? viewleaf->areaindex : -1, viewleaf ? viewleaf->numleafbrushes : 0, viewleaf ? viewleaf->numleafsurfaces : 0, viewleaf ? R_CountLeafTriangles(r_refdef.scene.worldmodel, viewleaf) : 0
813 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
814 , r_refdef.stats.world_leafs, r_refdef.stats.world_portals, r_refdef.stats.particles, cl.num_particles, r_refdef.stats.drawndecals, r_refdef.stats.totaldecals, (int)(100 * r_refdef.view.quality)
815 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels, (r_refdef.stats.framedatacurrent+512) / 1024, (r_refdef.stats.framedatasize+512)/1024
816 , 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
817 , r_refdef.stats.bouncegrid_lights, r_refdef.stats.bouncegrid_particles, r_refdef.stats.bouncegrid_traces, r_refdef.stats.bouncegrid_hits, r_refdef.stats.bouncegrid_splats, r_refdef.stats.bouncegrid_bounces
818 , r_refdef.stats.collisioncache_cached, r_refdef.stats.collisioncache_traced, r_refdef.stats.collisioncache_animated
819 , r_refdef.stats.draws, r_refdef.stats.draws_vertices, r_refdef.stats.draws_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels
820 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
821 , r_speeds_timestring);
822
823                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
824
825                 speedstringcount = 0;
826                 r_speeds_timestring[0] = 0;
827                 r_timereport_active = false;
828
829                 if (r_speeds.integer >= 2)
830                 {
831                         r_timereport_active = true;
832                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
833                 }
834         }
835
836         if (string[0])
837         {
838                 if (string[strlen(string)-1] == '\n')
839                         string[strlen(string)-1] = 0;
840                 lines = 1;
841                 for (i = 0;string[i];i++)
842                         if (string[i] == '\n')
843                                 lines++;
844                 y = vid_conheight.integer - sb_lines - lines * 8;
845                 i = j = 0;
846                 r_draw2d_force = true;
847                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
848                 while (string[i])
849                 {
850                         j = i;
851                         while (string[i] && string[i] != '\n')
852                                 i++;
853                         if (i - j > 0)
854                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
855                         if (string[i] == '\n')
856                                 i++;
857                         y += 8;
858                 }
859                 r_draw2d_force = false;
860         }
861 }
862
863 /*
864 =================
865 SCR_SizeUp_f
866
867 Keybinding command
868 =================
869 */
870 void SCR_SizeUp_f (void)
871 {
872         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
873 }
874
875
876 /*
877 =================
878 SCR_SizeDown_f
879
880 Keybinding command
881 =================
882 */
883 void SCR_SizeDown_f (void)
884 {
885         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
886 }
887
888 void SCR_CaptureVideo_EndVideo(void);
889 void CL_Screen_Shutdown(void)
890 {
891         SCR_CaptureVideo_EndVideo();
892 }
893
894 void CL_Screen_Init(void)
895 {
896         Cvar_RegisterVariable (&scr_fov);
897         Cvar_RegisterVariable (&scr_viewsize);
898         Cvar_RegisterVariable (&scr_conalpha);
899         Cvar_RegisterVariable (&scr_conalphafactor);
900         Cvar_RegisterVariable (&scr_conalpha2factor);
901         Cvar_RegisterVariable (&scr_conalpha3factor);
902         Cvar_RegisterVariable (&scr_conscroll_x);
903         Cvar_RegisterVariable (&scr_conscroll_y);
904         Cvar_RegisterVariable (&scr_conscroll2_x);
905         Cvar_RegisterVariable (&scr_conscroll2_y);
906         Cvar_RegisterVariable (&scr_conscroll3_x);
907         Cvar_RegisterVariable (&scr_conscroll3_y);
908         Cvar_RegisterVariable (&scr_conbrightness);
909         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
910         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
911         Cvar_RegisterVariable (&scr_loadingscreen_background);
912         Cvar_RegisterVariable (&scr_loadingscreen_scale);
913         Cvar_RegisterVariable (&scr_loadingscreen_scale_base);
914         Cvar_RegisterVariable (&scr_loadingscreen_scale_limit);
915         Cvar_RegisterVariable (&scr_loadingscreen_count);
916         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
917         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
918         Cvar_RegisterVariable (&scr_infobar_height);
919         Cvar_RegisterVariable (&scr_showram);
920         Cvar_RegisterVariable (&scr_showturtle);
921         Cvar_RegisterVariable (&scr_showpause);
922         Cvar_RegisterVariable (&scr_showbrand);
923         Cvar_RegisterVariable (&scr_centertime);
924         Cvar_RegisterVariable (&scr_printspeed);
925         Cvar_RegisterVariable (&vid_conwidth);
926         Cvar_RegisterVariable (&vid_conheight);
927         Cvar_RegisterVariable (&vid_pixelheight);
928         Cvar_RegisterVariable (&scr_screenshot_jpeg);
929         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
930         Cvar_RegisterVariable (&scr_screenshot_png);
931         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
932         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
933         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
934         Cvar_RegisterVariable (&scr_screenshot_alpha);
935         Cvar_RegisterVariable (&scr_screenshot_timestamp);
936         Cvar_RegisterVariable (&cl_capturevideo);
937         Cvar_RegisterVariable (&cl_capturevideo_printfps);
938         Cvar_RegisterVariable (&cl_capturevideo_width);
939         Cvar_RegisterVariable (&cl_capturevideo_height);
940         Cvar_RegisterVariable (&cl_capturevideo_realtime);
941         Cvar_RegisterVariable (&cl_capturevideo_fps);
942         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
943         Cvar_RegisterVariable (&cl_capturevideo_number);
944         Cvar_RegisterVariable (&cl_capturevideo_ogg);
945         Cvar_RegisterVariable (&cl_capturevideo_framestep);
946         Cvar_RegisterVariable (&r_letterbox);
947         Cvar_RegisterVariable(&r_stereo_separation);
948         Cvar_RegisterVariable(&r_stereo_sidebyside);
949         Cvar_RegisterVariable(&r_stereo_horizontal);
950         Cvar_RegisterVariable(&r_stereo_vertical);
951         Cvar_RegisterVariable(&r_stereo_redblue);
952         Cvar_RegisterVariable(&r_stereo_redcyan);
953         Cvar_RegisterVariable(&r_stereo_redgreen);
954         Cvar_RegisterVariable(&r_stereo_angle);
955         Cvar_RegisterVariable(&scr_stipple);
956         Cvar_RegisterVariable(&scr_refresh);
957         Cvar_RegisterVariable(&shownetgraph);
958         Cvar_RegisterVariable(&cl_demo_mousegrab);
959         Cvar_RegisterVariable(&timedemo_screenshotframelist);
960         Cvar_RegisterVariable(&vid_touchscreen_outlinealpha);
961         Cvar_RegisterVariable(&vid_touchscreen_overlayalpha);
962
963         // if we want no console, turn it off here too
964         if (COM_CheckParm ("-noconsole"))
965                 Cvar_SetQuick(&scr_conforcewhiledisconnected, "0");
966
967         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
968         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
969         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
970         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
971         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
972
973         SCR_CaptureVideo_Ogg_Init();
974
975         scr_initialized = true;
976 }
977
978 /*
979 ==================
980 SCR_ScreenShot_f
981 ==================
982 */
983 void SCR_ScreenShot_f (void)
984 {
985         static int shotnumber;
986         static char old_prefix_name[MAX_QPATH];
987         char prefix_name[MAX_QPATH];
988         char filename[MAX_QPATH];
989         unsigned char *buffer1;
990         unsigned char *buffer2;
991         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
992         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
993
994         if (Cmd_Argc() == 2)
995         {
996                 const char *ext;
997                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
998                 ext = FS_FileExtension(filename);
999                 if (!strcasecmp(ext, "jpg"))
1000                 {
1001                         jpeg = true;
1002                         png = false;
1003                 }
1004                 else if (!strcasecmp(ext, "tga"))
1005                 {
1006                         jpeg = false;
1007                         png = false;
1008                 }
1009                 else if (!strcasecmp(ext, "png"))
1010                 {
1011                         jpeg = false;
1012                         png = true;
1013                 }
1014                 else
1015                 {
1016                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
1017                         return;
1018                 }
1019         }
1020         else if (scr_screenshot_timestamp.integer)
1021         {
1022                 int shotnumber100;
1023
1024                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1025                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1026                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s/%s%s", cl.worldbasename, scr_screenshot_name.string, Sys_TimeString("%Y%m%d%H%M%S"));
1027                 else
1028                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s%s", scr_screenshot_name.string, Sys_TimeString("%Y%m%d%H%M%S"));
1029
1030                 // find a file name to save it to
1031                 for (shotnumber100 = 0;shotnumber100 < 100;shotnumber100++)
1032                         if (!FS_SysFileExists(va("%s/screenshots/%s-%02d.tga", fs_gamedir, prefix_name, shotnumber100))
1033                          && !FS_SysFileExists(va("%s/screenshots/%s-%02d.jpg", fs_gamedir, prefix_name, shotnumber100))
1034                          && !FS_SysFileExists(va("%s/screenshots/%s-%02d.png", fs_gamedir, prefix_name, shotnumber100)))
1035                                 break;
1036                 if (shotnumber100 >= 100)
1037                 {
1038                         Con_Print("Couldn't create the image file - already 100 shots taken this second!\n");
1039                         return;
1040                 }
1041
1042                 dpsnprintf(filename, sizeof(filename), "screenshots/%s-%02d.%s", prefix_name, shotnumber100, jpeg ? "jpg" : png ? "png" : "tga");
1043         }
1044         else
1045         {
1046                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1047                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1048                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
1049                 else
1050                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
1051
1052                 // if prefix changed, gamedir or map changed, reset the shotnumber so
1053                 // we scan again
1054                 // FIXME: should probably do this whenever FS_Rescan or something like that occurs?
1055                 if (strcmp(old_prefix_name, prefix_name))
1056                 {
1057                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
1058                         shotnumber = 0;
1059                 }
1060
1061                 // find a file name to save it to
1062                 for (;shotnumber < 1000000;shotnumber++)
1063                         if (!FS_SysFileExists(va("%s/screenshots/%s%06d.tga", fs_gamedir, prefix_name, shotnumber))
1064                          && !FS_SysFileExists(va("%s/screenshots/%s%06d.jpg", fs_gamedir, prefix_name, shotnumber))
1065                          && !FS_SysFileExists(va("%s/screenshots/%s%06d.png", fs_gamedir, prefix_name, shotnumber)))
1066                                 break;
1067                 if (shotnumber >= 1000000)
1068                 {
1069                         Con_Print("Couldn't create the image file - you already have 1000000 screenshots!\n");
1070                         return;
1071                 }
1072
1073                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
1074
1075                 shotnumber++;
1076         }
1077
1078         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1079         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
1080
1081         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer != 0))
1082                 Con_Printf("Wrote %s\n", filename);
1083         else
1084         {
1085                 Con_Printf("Unable to write %s\n", filename);
1086                 if(jpeg || png)
1087                 {
1088                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer != 0))
1089                         {
1090                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1091                                 Con_Printf("Wrote %s\n", filename);
1092                         }
1093                 }
1094         }
1095
1096         Mem_Free (buffer1);
1097         Mem_Free (buffer2);
1098 }
1099
1100 void SCR_CaptureVideo_BeginVideo(void)
1101 {
1102         double r, g, b;
1103         unsigned int i;
1104         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1105         if (cls.capturevideo.active)
1106                 return;
1107         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1108         // soundrate is figured out on the first SoundFrame
1109
1110         if(width == 0 && height != 0)
1111                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1112         if(width != 0 && height == 0)
1113                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1114
1115         if(width < 2 || width > vid.width) // can't scale up
1116                 width = vid.width;
1117         if(height < 2 || height > vid.height) // can't scale up
1118                 height = vid.height;
1119
1120         // ensure it's all even; if not, scale down a little
1121         if(width % 1)
1122                 --width;
1123         if(height % 1)
1124                 --height;
1125
1126         cls.capturevideo.width = width;
1127         cls.capturevideo.height = height;
1128         cls.capturevideo.active = true;
1129         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1130         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1131         cls.capturevideo.soundrate = S_GetSoundRate();
1132         cls.capturevideo.soundchannels = S_GetSoundChannels();
1133         cls.capturevideo.startrealtime = realtime;
1134         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1135         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1136         cls.capturevideo.soundsampleframe = 0;
1137         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1138         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1139         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1140         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1141         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1142
1143         /*
1144         for (i = 0;i < 256;i++)
1145         {
1146                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1147                 cls.capturevideo.rgbgammatable[0][i] = j;
1148                 cls.capturevideo.rgbgammatable[1][i] = j;
1149                 cls.capturevideo.rgbgammatable[2][i] = j;
1150         }
1151         */
1152 /*
1153 R = Y + 1.4075 * (Cr - 128);
1154 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1155 B = Y + 1.7790 * (Cb - 128);
1156 Y = R *  .299 + G *  .587 + B *  .114;
1157 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1158 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1159 */
1160
1161         if(WANT_SCREENSHOT_HWGAMMA)
1162         {
1163                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1164         }
1165         else
1166         {
1167                 // identity gamma table
1168                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1169                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1170                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1171         }
1172         if(scr_screenshot_gammaboost.value != 1)
1173         {
1174                 double igamma = 1 / scr_screenshot_gammaboost.value;
1175                 for (i = 0;i < 256 * 3;i++)
1176                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1177         }
1178
1179         for (i = 0;i < 256;i++)
1180         {
1181                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1182                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1183                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1184                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1185                 // Y weights from RGB
1186                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1187                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1188                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1189                 // Cb weights from RGB
1190                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1191                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1192                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1193                 // Cr weights from RGB
1194                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1195                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1196                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1197                 // range reduction of YCbCr to valid signal range
1198                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1199                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1200                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1201         }
1202
1203         if (cl_capturevideo_ogg.integer)
1204         {
1205                 if(SCR_CaptureVideo_Ogg_Available())
1206                 {
1207                         SCR_CaptureVideo_Ogg_BeginVideo();
1208                         return;
1209                 }
1210                 else
1211                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1212         }
1213
1214         SCR_CaptureVideo_Avi_BeginVideo();
1215 }
1216
1217 void SCR_CaptureVideo_EndVideo(void)
1218 {
1219         if (!cls.capturevideo.active)
1220                 return;
1221         cls.capturevideo.active = false;
1222
1223         Con_Printf("Finishing capture of %s.%s (%d frames, %d audio frames)\n", cls.capturevideo.basename, cls.capturevideo.formatextension, cls.capturevideo.frame, cls.capturevideo.soundsampleframe);
1224
1225         if (cls.capturevideo.videofile)
1226         {
1227                 cls.capturevideo.endvideo();
1228         }
1229
1230         if (cls.capturevideo.screenbuffer)
1231         {
1232                 Mem_Free (cls.capturevideo.screenbuffer);
1233                 cls.capturevideo.screenbuffer = NULL;
1234         }
1235
1236         if (cls.capturevideo.outbuffer)
1237         {
1238                 Mem_Free (cls.capturevideo.outbuffer);
1239                 cls.capturevideo.outbuffer = NULL;
1240         }
1241
1242         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1243 }
1244
1245 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1246 {
1247         // TODO optimize this function
1248
1249         int x, y;
1250         float area;
1251
1252         // memcpy is faster than me
1253         if(inw == outw && inh == outh)
1254         {
1255                 memcpy(out, in, 4 * inw * inh);
1256                 return;
1257         }
1258
1259         // otherwise: a box filter
1260         area = (float)outw * (float)outh / (float)inw / (float)inh;
1261         for(y = 0; y < outh; ++y)
1262         {
1263                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1264                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1265                 for(x = 0; x < outw; ++x)
1266                 {
1267                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1268                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1269                         float r = 0, g = 0, b = 0, alpha = 0;
1270                         int xx, yy;
1271
1272                         for(yy = iny0_i; yy < iny1_i; ++yy)
1273                         {
1274                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1275                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1276                                 {
1277                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1278                                         r += a * in[4*(xx + inw * yy)+0];
1279                                         g += a * in[4*(xx + inw * yy)+1];
1280                                         b += a * in[4*(xx + inw * yy)+2];
1281                                         alpha += a * in[4*(xx + inw * yy)+3];
1282                                 }
1283                         }
1284
1285                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1286                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1287                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1288                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1289                 }
1290         }
1291 }
1292
1293 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1294 {
1295         int x = 0, y = 0;
1296         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1297
1298         if(newframestepframenum == cls.capturevideo.framestepframe)
1299                 return;
1300
1301         CHECKGLERROR
1302         // speed is critical here, so do saving as directly as possible
1303
1304         GL_ReadPixelsBGRA(x, y, vid.width, vid.height, cls.capturevideo.screenbuffer);
1305
1306         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1307
1308         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1309         cls.capturevideo.framestepframe = newframestepframenum;
1310
1311         if(cl_capturevideo_printfps.integer)
1312         {
1313                 char buf[80];
1314                 double t = Sys_DoubleTime();
1315                 if(t > cls.capturevideo.lastfpstime + 1)
1316                 {
1317                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1318                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1319                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1320                         Sys_PrintToTerminal(buf);
1321                         cls.capturevideo.lastfpstime = t;
1322                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1323                 }
1324         }
1325 }
1326
1327 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1328 {
1329         cls.capturevideo.soundsampleframe += length;
1330         cls.capturevideo.soundframe(paintbuffer, length);
1331 }
1332
1333 void SCR_CaptureVideo(void)
1334 {
1335         int newframenum;
1336         if (cl_capturevideo.integer)
1337         {
1338                 if (!cls.capturevideo.active)
1339                         SCR_CaptureVideo_BeginVideo();
1340                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1341                 {
1342                         Con_Printf("You can not change the video framerate while recording a video.\n");
1343                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1344                 }
1345                 // for AVI saving we have to make sure that sound is saved before video
1346                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1347                         return;
1348                 if (cls.capturevideo.realtime)
1349                 {
1350                         // preserve sound sync by duplicating frames when running slow
1351                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1352                 }
1353                 else
1354                         newframenum = cls.capturevideo.frame + 1;
1355                 // if falling behind more than one second, stop
1356                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1357                 {
1358                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1359                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1360                         SCR_CaptureVideo_EndVideo();
1361                         return;
1362                 }
1363                 // write frames
1364                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1365                 cls.capturevideo.frame = newframenum;
1366                 if (cls.capturevideo.error)
1367                 {
1368                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1369                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1370                         SCR_CaptureVideo_EndVideo();
1371                 }
1372         }
1373         else if (cls.capturevideo.active)
1374                 SCR_CaptureVideo_EndVideo();
1375 }
1376
1377 /*
1378 ===============
1379 R_Envmap_f
1380
1381 Grab six views for environment mapping tests
1382 ===============
1383 */
1384 struct envmapinfo_s
1385 {
1386         float angles[3];
1387         const char *name;
1388         qboolean flipx, flipy, flipdiagonaly;
1389 }
1390 envmapinfo[12] =
1391 {
1392         {{  0,   0, 0}, "rt", false, false, false},
1393         {{  0, 270, 0}, "ft", false, false, false},
1394         {{  0, 180, 0}, "lf", false, false, false},
1395         {{  0,  90, 0}, "bk", false, false, false},
1396         {{-90, 180, 0}, "up",  true,  true, false},
1397         {{ 90, 180, 0}, "dn",  true,  true, false},
1398
1399         {{  0,   0, 0}, "px",  true,  true,  true},
1400         {{  0,  90, 0}, "py", false,  true, false},
1401         {{  0, 180, 0}, "nx", false, false,  true},
1402         {{  0, 270, 0}, "ny",  true, false, false},
1403         {{-90, 180, 0}, "pz", false, false,  true},
1404         {{ 90, 180, 0}, "nz", false, false,  true}
1405 };
1406
1407 static void R_Envmap_f (void)
1408 {
1409         int j, size;
1410         char filename[MAX_QPATH], basename[MAX_QPATH];
1411         unsigned char *buffer1;
1412         unsigned char *buffer2;
1413
1414         if (Cmd_Argc() != 3)
1415         {
1416                 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");
1417                 return;
1418         }
1419
1420         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1421         size = atoi(Cmd_Argv(2));
1422         if (size != 128 && size != 256 && size != 512 && size != 1024)
1423         {
1424                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1425                 return;
1426         }
1427         if (size > vid.width || size > vid.height)
1428         {
1429                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1430                 return;
1431         }
1432
1433         r_refdef.envmap = true;
1434
1435         R_UpdateVariables();
1436
1437         r_refdef.view.x = 0;
1438         r_refdef.view.y = 0;
1439         r_refdef.view.z = 0;
1440         r_refdef.view.width = size;
1441         r_refdef.view.height = size;
1442         r_refdef.view.depth = 1;
1443         r_refdef.view.useperspective = true;
1444         r_refdef.view.isoverlay = false;
1445
1446         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1447         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1448         r_refdef.view.ortho_x = 90; // abused as angle by VM_CL_R_SetView
1449         r_refdef.view.ortho_y = 90; // abused as angle by VM_CL_R_SetView
1450
1451         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1452         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1453
1454         for (j = 0;j < 12;j++)
1455         {
1456                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1457                 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);
1458                 r_refdef.view.quality = 1;
1459                 r_refdef.view.clear = true;
1460                 R_Mesh_Start();
1461                 R_RenderView();
1462                 R_Mesh_Finish();
1463                 SCR_ScreenShot(filename, buffer1, buffer2, 0, vid.height - (r_refdef.view.y + r_refdef.view.height), size, size, envmapinfo[j].flipx, envmapinfo[j].flipy, envmapinfo[j].flipdiagonaly, false, false, false, false);
1464         }
1465
1466         Mem_Free (buffer1);
1467         Mem_Free (buffer2);
1468
1469         r_refdef.envmap = false;
1470 }
1471
1472 //=============================================================================
1473
1474 void SHOWLMP_decodehide(void)
1475 {
1476         int i;
1477         char *lmplabel;
1478         lmplabel = MSG_ReadString();
1479         for (i = 0;i < cl.num_showlmps;i++)
1480                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1481                 {
1482                         cl.showlmps[i].isactive = false;
1483                         return;
1484                 }
1485 }
1486
1487 void SHOWLMP_decodeshow(void)
1488 {
1489         int k;
1490         char lmplabel[256], picname[256];
1491         float x, y;
1492         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1493         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1494         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1495         {
1496                 x = MSG_ReadByte();
1497                 y = MSG_ReadByte();
1498         }
1499         else
1500         {
1501                 x = MSG_ReadShort();
1502                 y = MSG_ReadShort();
1503         }
1504         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1505         {
1506                 showlmp_t *oldshowlmps = cl.showlmps;
1507                 cl.max_showlmps += 16;
1508                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1509                 if (cl.num_showlmps)
1510                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1511                 if (oldshowlmps)
1512                         Mem_Free(oldshowlmps);
1513         }
1514         for (k = 0;k < cl.max_showlmps;k++)
1515                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1516                         break;
1517         if (k == cl.max_showlmps)
1518                 for (k = 0;k < cl.max_showlmps;k++)
1519                         if (!cl.showlmps[k].isactive)
1520                                 break;
1521         cl.showlmps[k].isactive = true;
1522         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1523         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1524         cl.showlmps[k].x = x;
1525         cl.showlmps[k].y = y;
1526         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1527 }
1528
1529 void SHOWLMP_drawall(void)
1530 {
1531         int i;
1532         for (i = 0;i < cl.num_showlmps;i++)
1533                 if (cl.showlmps[i].isactive)
1534                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic_Flags (cl.showlmps[i].pic, CACHEPICFLAG_NOTPERSISTENT), 0, 0, 1, 1, 1, 1, 0);
1535 }
1536
1537 /*
1538 ==============================================================================
1539
1540                                                 SCREEN SHOTS
1541
1542 ==============================================================================
1543 */
1544
1545 // buffer1: 4*w*h
1546 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1547 qboolean SCR_ScreenShot(char *filename, unsigned char *buffer1, unsigned char *buffer2, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg, qboolean png, qboolean gammacorrect, qboolean keep_alpha)
1548 {
1549         int     indices[4] = {0,1,2,3}; // BGRA
1550         qboolean ret;
1551
1552         GL_ReadPixelsBGRA(x, y, width, height, buffer1);
1553
1554         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1555         {
1556                 int i;
1557                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1558                 unsigned short vidramp[256 * 3];
1559                 if(WANT_SCREENSHOT_HWGAMMA)
1560                 {
1561                         VID_BuildGammaTables(&vidramp[0], 256);
1562                 }
1563                 else
1564                 {
1565                         // identity gamma table
1566                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1567                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1568                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1569                 }
1570                 if(scr_screenshot_gammaboost.value != 1)
1571                 {
1572                         for (i = 0;i < 256 * 3;i++)
1573                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1574                 }
1575                 for (i = 0;i < width*height*4;i += 4)
1576                 {
1577                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1578                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1579                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1580                         // A
1581                 }
1582         }
1583
1584         if(keep_alpha && !jpeg)
1585         {
1586                 if(!png)
1587                         flipy = !flipy; // TGA: not preflipped
1588                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1589                 if (png)
1590                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1591                 else
1592                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1593         }
1594         else
1595         {
1596                 if(jpeg)
1597                 {
1598                         indices[0] = 2;
1599                         indices[2] = 0; // RGB
1600                 }
1601                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1602                 if (jpeg)
1603                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1604                 else if (png)
1605                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1606                 else
1607                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1608         }
1609
1610         return ret;
1611 }
1612
1613 //=============================================================================
1614
1615 int scr_numtouchscreenareas;
1616 scr_touchscreenarea_t scr_touchscreenareas[16];
1617
1618 static void SCR_DrawTouchscreenOverlay(void)
1619 {
1620         int i;
1621         scr_touchscreenarea_t *a;
1622         cachepic_t *pic;
1623         for (i = 0, a = scr_touchscreenareas;i < scr_numtouchscreenareas;i++, a++)
1624         {
1625                 if (vid_touchscreen_outlinealpha.value > 0 && a->rect[0] >= 0 && a->rect[1] >= 0 && a->rect[2] >= 4 && a->rect[3] >= 4)
1626                 {
1627                         DrawQ_Fill(a->rect[0] +              2, a->rect[1]                 , a->rect[2] - 4,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1628                         DrawQ_Fill(a->rect[0] +              1, a->rect[1] +              1, a->rect[2] - 2,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1629                         DrawQ_Fill(a->rect[0]                 , a->rect[1] +              2,          2    , a->rect[3] - 2, 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1630                         DrawQ_Fill(a->rect[0] + a->rect[2] - 2, a->rect[1] +              2,          2    , a->rect[3] - 2, 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1631                         DrawQ_Fill(a->rect[0] +              1, a->rect[1] + a->rect[3] - 2, a->rect[2] - 2,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1632                         DrawQ_Fill(a->rect[0] +              2, a->rect[1] + a->rect[3] - 1, a->rect[2] - 4,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1633                 }
1634                 pic = a->pic ? Draw_CachePic(a->pic) : NULL;
1635                 if (pic && pic->tex != r_texture_notexture)
1636                         DrawQ_Pic(a->rect[0], a->rect[1], Draw_CachePic(a->pic), a->rect[2], a->rect[3], 1, 1, 1, vid_touchscreen_overlayalpha.value * (0.5f + 0.5f * a->active), 0);
1637         }
1638 }
1639
1640 extern void R_UpdateFog(void);
1641 void R_ClearScreen(qboolean fogcolor)
1642 {
1643         float clearcolor[4];
1644         // clear to black
1645         Vector4Clear(clearcolor);
1646         if (fogcolor && r_fog_clear.integer)
1647         {
1648                 R_UpdateFog();
1649                 VectorCopy(r_refdef.fogcolor, clearcolor);
1650         }
1651         // clear depth is 1.0
1652         // LordHavoc: we use a stencil centered around 128 instead of 0,
1653         // to avoid clamping interfering with strange shadow volume
1654         // drawing orders
1655         // clear the screen
1656         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 128);
1657 }
1658
1659 qboolean CL_VM_UpdateView (void);
1660 void SCR_DrawConsole (void);
1661 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1662
1663 int r_stereo_side;
1664
1665 extern void Sbar_ShowFPS(void);
1666 void SCR_DrawScreen (void)
1667 {
1668         Draw_Frame();
1669
1670         R_Mesh_Start();
1671
1672         R_UpdateVariables();
1673
1674         // Quake uses clockwise winding, so these are swapped
1675         r_refdef.view.cullface_front = GL_BACK;
1676         r_refdef.view.cullface_back = GL_FRONT;
1677
1678         if (cls.signon == SIGNONS)
1679         {
1680                 float size;
1681
1682                 size = scr_viewsize.value * (1.0 / 100.0);
1683                 size = min(size, 1);
1684
1685                 if (r_stereo_sidebyside.integer)
1686                 {
1687                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1688                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1689                         r_refdef.view.depth = 1;
1690                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1691                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1692                         r_refdef.view.z = 0;
1693                         if (r_stereo_side)
1694                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1695                 }
1696                 else if (r_stereo_horizontal.integer)
1697                 {
1698                         r_refdef.view.width = (int)(vid.width * size / 2);
1699                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1700                         r_refdef.view.depth = 1;
1701                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.0)/2);
1702                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1703                         r_refdef.view.z = 0;
1704                         if (r_stereo_side)
1705                                 r_refdef.view.x += (int)(r_refdef.view.width);
1706                 }
1707                 else if (r_stereo_vertical.integer)
1708                 {
1709                         r_refdef.view.width = (int)(vid.width * size);
1710                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100) / 2);
1711                         r_refdef.view.depth = 1;
1712                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1713                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height * 2.0)/2);
1714                         r_refdef.view.z = 0;
1715                         if (r_stereo_side)
1716                                 r_refdef.view.y += (int)(r_refdef.view.height);
1717                 }
1718                 else
1719                 {
1720                         r_refdef.view.width = (int)(vid.width * size);
1721                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1722                         r_refdef.view.depth = 1;
1723                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1724                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1725                         r_refdef.view.z = 0;
1726                 }
1727
1728                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1729                 // LordHavoc: this is designed to produce widescreen fov values
1730                 // when the screen is wider than 4/3 width/height aspect, to do
1731                 // this it simply assumes the requested fov is the vertical fov
1732                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1733                 // higher/lower according to the ratio
1734                 r_refdef.view.useperspective = true;
1735                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1736                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1737
1738                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1739                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1740                 r_refdef.view.ortho_x = atan(r_refdef.view.frustum_x) * (360.0 / M_PI); // abused as angle by VM_CL_R_SetView
1741                 r_refdef.view.ortho_y = atan(r_refdef.view.frustum_y) * (360.0 / M_PI); // abused as angle by VM_CL_R_SetView
1742
1743                 if(!CL_VM_UpdateView())
1744                         R_RenderView();
1745         }
1746
1747         if (!r_stereo_sidebyside.integer && !r_stereo_horizontal.integer && !r_stereo_vertical.integer)
1748         {
1749                 r_refdef.view.width = vid.width;
1750                 r_refdef.view.height = vid.height;
1751                 r_refdef.view.depth = 1;
1752                 r_refdef.view.x = 0;
1753                 r_refdef.view.y = 0;
1754                 r_refdef.view.z = 0;
1755                 r_refdef.view.useperspective = false;
1756         }
1757
1758         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1759         {
1760                 const char *t;
1761                 int framenum;
1762                 t = timedemo_screenshotframelist.string;
1763                 while (*t)
1764                 {
1765                         while (*t == ' ')
1766                                 t++;
1767                         if (!*t)
1768                                 break;
1769                         framenum = atof(t);
1770                         if (framenum == cls.td_frames)
1771                                 break;
1772                         while (*t && *t != ' ')
1773                                 t++;
1774                 }
1775                 if (*t)
1776                 {
1777                         // we need to take a screenshot of this frame...
1778                         char filename[MAX_QPATH];
1779                         unsigned char *buffer1;
1780                         unsigned char *buffer2;
1781                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1782                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1783                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1784                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1785                         Mem_Free(buffer1);
1786                         Mem_Free(buffer2);
1787                 }
1788         }
1789
1790         // draw 2D stuff
1791         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1792                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1793                         Con_DrawNotify ();      // only draw notify in game
1794
1795         if (cls.signon == SIGNONS)
1796         {
1797                 SCR_DrawNet ();
1798                 SCR_DrawTurtle ();
1799                 SCR_DrawPause ();
1800                 if (!r_letterbox.value)
1801                         Sbar_Draw();
1802                 SHOWLMP_drawall();
1803                 SCR_CheckDrawCenterString();
1804         }
1805         SCR_DrawNetGraph ();
1806         MR_Draw();
1807         CL_DrawVideo();
1808         R_Shadow_EditLights_DrawSelectedLightProperties();
1809
1810         SCR_DrawConsole();
1811
1812         SCR_DrawBrand();
1813
1814         SCR_DrawInfobar();
1815
1816         SCR_DrawTouchscreenOverlay();
1817
1818         if (r_timereport_active)
1819                 R_TimeReport("2d");
1820
1821         R_TimeReport_EndFrame();
1822         R_TimeReport_BeginFrame();
1823         Sbar_ShowFPS();
1824
1825         DrawQ_Finish();
1826
1827         R_DrawGamma();
1828
1829         R_Mesh_Finish();
1830 }
1831
1832 typedef struct loadingscreenstack_s
1833 {
1834         struct loadingscreenstack_s *prev;
1835         char msg[MAX_QPATH];
1836         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1837         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1838         float relative_completion; // 0 .. 1
1839 }
1840 loadingscreenstack_t;
1841 static loadingscreenstack_t *loadingscreenstack = NULL;
1842 static qboolean loadingscreendone = false;
1843 static qboolean loadingscreencleared = false;
1844 static float loadingscreenheight = 0;
1845 rtexture_t *loadingscreentexture = NULL;
1846 static float loadingscreentexture_vertex3f[12];
1847 static float loadingscreentexture_texcoord2f[8];
1848 static int loadingscreenpic_number = 0;
1849
1850 static void SCR_ClearLoadingScreenTexture(void)
1851 {
1852         if(loadingscreentexture)
1853                 R_FreeTexture(loadingscreentexture);
1854         loadingscreentexture = NULL;
1855 }
1856
1857 extern rtexturepool_t *r_main_texturepool;
1858 static void SCR_SetLoadingScreenTexture(void)
1859 {
1860         int w, h;
1861         float loadingscreentexture_w;
1862         float loadingscreentexture_h;
1863
1864         SCR_ClearLoadingScreenTexture();
1865
1866         if (vid.support.arb_texture_non_power_of_two)
1867         {
1868                 w = vid.width; h = vid.height;
1869                 loadingscreentexture_w = loadingscreentexture_h = 1;
1870         }
1871         else
1872         {
1873                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1874                 loadingscreentexture_w = vid.width / (float) w;
1875                 loadingscreentexture_h = vid.height / (float) h;
1876         }
1877
1878         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
1879         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1880
1881         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1882         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1883         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1884         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1885         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1886         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1887         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1888         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1889         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1890 }
1891
1892 void SCR_UpdateLoadingScreenIfShown(void)
1893 {
1894         if(loadingscreendone)
1895                 SCR_UpdateLoadingScreen(loadingscreencleared);
1896 }
1897
1898 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1899 {
1900         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1901         s->prev = loadingscreenstack;
1902         loadingscreenstack = s;
1903
1904         strlcpy(s->msg, msg, sizeof(s->msg));
1905         s->relative_completion = 0;
1906
1907         if(s->prev)
1908         {
1909                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1910                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1911                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1912                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1913         }
1914         else
1915         {
1916                 s->absolute_loading_amount_min = 0;
1917                 s->absolute_loading_amount_len = 1;
1918         }
1919
1920         if(redraw)
1921                 SCR_UpdateLoadingScreenIfShown();
1922 }
1923
1924 void SCR_PopLoadingScreen (qboolean redraw)
1925 {
1926         loadingscreenstack_t *s = loadingscreenstack;
1927
1928         if(!s)
1929         {
1930                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1931                 return;
1932         }
1933
1934         loadingscreenstack = s->prev;
1935         if(s->prev)
1936                 s->prev->relative_completion = (s->absolute_loading_amount_min + s->absolute_loading_amount_len - s->prev->absolute_loading_amount_min) / s->prev->absolute_loading_amount_len;
1937         Z_Free(s);
1938
1939         if(redraw)
1940                 SCR_UpdateLoadingScreenIfShown();
1941 }
1942
1943 void SCR_ClearLoadingScreen (qboolean redraw)
1944 {
1945         while(loadingscreenstack)
1946                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1947 }
1948
1949 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1950 {
1951         float x;
1952         size_t len;
1953         float total;
1954
1955         total = 0;
1956 #if 0
1957         if(s)
1958         {
1959                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1960                 y -= total;
1961                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1962                 {
1963                         len = strlen(s->msg);
1964                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1965                         y -= size;
1966                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1967                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1968                         total += size;
1969                 }
1970         }
1971 #else
1972         if(s)
1973         {
1974                 len = strlen(s->msg);
1975                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1976                 y -= size;
1977                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1978                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1979                 total += size;
1980         }
1981 #endif
1982         return total;
1983 }
1984
1985 static void SCR_DrawLoadingStack(void)
1986 {
1987         float verts[12];
1988         float colors[16];
1989
1990         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1991         if(loadingscreenstack)
1992         {
1993                 // height = 32; // sorry, using the actual one is ugly
1994                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1995                 GL_DepthRange(0, 1);
1996                 GL_PolygonOffset(0, 0);
1997                 GL_DepthTest(false);
1998 //              R_Mesh_ResetTextureState();
1999                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
2000                 verts[0] = verts[9] = 0;
2001                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
2002                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
2003                 verts[7] = verts[10] = vid_conheight.integer;
2004                 
2005 #if _MSC_VER >= 1400
2006 #define sscanf sscanf_s
2007 #endif
2008                 //                                        ^^^^^^^^^^ blue component
2009                 //                              ^^^^^^ bottom row
2010                 //          ^^^^^^^^^^^^ alpha is always on
2011                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
2012                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
2013                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
2014                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
2015
2016                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
2017                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, true, true);
2018                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2019
2020                 // make sure everything is cleared, including the progress indicator
2021                 if(loadingscreenheight < 8)
2022                         loadingscreenheight = 8;
2023         }
2024 }
2025
2026 static cachepic_t *loadingscreenpic;
2027 static float loadingscreenpic_vertex3f[12];
2028 static float loadingscreenpic_texcoord2f[8];
2029
2030 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
2031 {
2032         r_viewport_t viewport;
2033         float x, y, w, h, sw, sh, f;
2034         // release mouse grab while loading
2035         if (!vid.fullscreen)
2036                 VID_SetMouse(false, false, false);
2037 //      CHECKGLERROR
2038         r_refdef.draw2dstage = true;
2039         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2040         R_Mesh_ResetRenderTargets();
2041         R_SetViewport(&viewport);
2042         GL_ColorMask(1,1,1,1);
2043         // when starting up a new video mode, make sure the screen is cleared to black
2044         if (clear || loadingscreentexture)
2045                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
2046         R_Textures_Frame();
2047         R_Mesh_Start();
2048         R_EntityMatrix(&identitymatrix);
2049         // draw the loading plaque
2050         loadingscreenpic = Draw_CachePic_Flags (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading", loadingscreenpic_number ? CACHEPICFLAG_NOTPERSISTENT : 0);
2051
2052         w = loadingscreenpic->width;
2053         h = loadingscreenpic->height;
2054
2055         // apply scale
2056         w *= scr_loadingscreen_scale.value;
2057         h *= scr_loadingscreen_scale.value;
2058
2059         // apply scale base
2060         if(scr_loadingscreen_scale_base.integer)
2061         {
2062                 w *= vid_conwidth.integer / (float) vid.width;
2063                 h *= vid_conheight.integer / (float) vid.height;
2064         }
2065
2066         // apply scale limit
2067         sw = w / vid_conwidth.integer;
2068         sh = h / vid_conheight.integer;
2069         f = 1;
2070         switch(scr_loadingscreen_scale_limit.integer)
2071         {
2072                 case 1:
2073                         f = max(sw, sh);
2074                         break;
2075                 case 2:
2076                         f = min(sw, sh);
2077                         break;
2078                 case 3:
2079                         f = sw;
2080                         break;
2081                 case 4:
2082                         f = sh;
2083                         break;
2084         }
2085         if(f > 1)
2086         {
2087                 w /= f;
2088                 h /= f;
2089         }
2090
2091         x = (vid_conwidth.integer - w)/2;
2092         y = (vid_conheight.integer - h)/2;
2093         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
2094         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
2095         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
2096         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + w;
2097         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + h;
2098         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
2099         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
2100         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
2101         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
2102 }
2103
2104 static void SCR_DrawLoadingScreen (qboolean clear)
2105 {
2106         // we only need to draw the image if it isn't already there
2107         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2108         GL_DepthRange(0, 1);
2109         GL_PolygonOffset(0, 0);
2110         GL_DepthTest(false);
2111 //      R_Mesh_ResetTextureState();
2112         GL_Color(1,1,1,1);
2113         if(loadingscreentexture)
2114         {
2115                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
2116                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1, true, true);
2117                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2118         }
2119         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
2120         R_SetupShader_Generic(Draw_GetPicTexture(loadingscreenpic), NULL, GL_MODULATE, 1, true, true);
2121         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2122         SCR_DrawLoadingStack();
2123 }
2124
2125 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
2126 {
2127         R_Mesh_Finish();
2128         // refresh
2129         VID_Finish();
2130 }
2131
2132 void SCR_UpdateLoadingScreen (qboolean clear)
2133 {
2134         keydest_t       old_key_dest;
2135         int                     old_key_consoleactive;
2136
2137         // don't do anything if not initialized yet
2138         if (vid_hidden || cls.state == ca_dedicated)
2139                 return;
2140
2141         if(!scr_loadingscreen_background.integer)
2142                 clear = true;
2143         
2144         if(loadingscreendone)
2145                 clear |= loadingscreencleared;
2146
2147         if(!loadingscreendone)
2148                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2149
2150         if(clear)
2151                 SCR_ClearLoadingScreenTexture();
2152         else if(!loadingscreendone)
2153                 SCR_SetLoadingScreenTexture();
2154
2155         if(!loadingscreendone)
2156         {
2157                 loadingscreendone = true;
2158                 loadingscreenheight = 0;
2159         }
2160         loadingscreencleared = clear;
2161
2162 #ifdef USE_GLES2
2163         SCR_DrawLoadingScreen_SharedSetup(clear);
2164         SCR_DrawLoadingScreen(clear);
2165 #else
2166         if (qglDrawBuffer)
2167                 qglDrawBuffer(GL_BACK);
2168         SCR_DrawLoadingScreen_SharedSetup(clear);
2169         if (vid.stereobuffer)
2170         {
2171                 qglDrawBuffer(GL_BACK_LEFT);
2172                 SCR_DrawLoadingScreen(clear);
2173                 qglDrawBuffer(GL_BACK_RIGHT);
2174                 SCR_DrawLoadingScreen(clear);
2175         }
2176         else
2177         {
2178                 if (qglDrawBuffer)
2179                         qglDrawBuffer(GL_BACK);
2180                 SCR_DrawLoadingScreen(clear);
2181         }
2182 #endif
2183         SCR_DrawLoadingScreen_SharedFinish(clear);
2184
2185         // this goes into the event loop, and should prevent unresponsive cursor on vista
2186         old_key_dest = key_dest;
2187         old_key_consoleactive = key_consoleactive;
2188         key_dest = key_void;
2189         key_consoleactive = false;
2190         Key_EventQueue_Block(); Sys_SendKeyEvents();
2191         key_dest = old_key_dest;
2192         key_consoleactive = old_key_consoleactive;
2193 }
2194
2195 qboolean R_Stereo_ColorMasking(void)
2196 {
2197         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2198 }
2199
2200 qboolean R_Stereo_Active(void)
2201 {
2202         return (vid.stereobuffer || r_stereo_sidebyside.integer || r_stereo_horizontal.integer || r_stereo_vertical.integer || R_Stereo_ColorMasking());
2203 }
2204
2205 extern cvar_t cl_minfps;
2206 extern cvar_t cl_minfps_fade;
2207 extern cvar_t cl_minfps_qualitymax;
2208 extern cvar_t cl_minfps_qualitymin;
2209 extern cvar_t cl_minfps_qualitypower;
2210 extern cvar_t cl_minfps_qualityscale;
2211 extern cvar_t r_viewscale_fpsscaling;
2212 static double cl_updatescreen_rendertime = 0;
2213 static double cl_updatescreen_quality = 1;
2214 extern void Sbar_ShowFPS_Update(void);
2215 void CL_UpdateScreen(void)
2216 {
2217         vec3_t vieworigin;
2218         double rendertime1;
2219         double drawscreenstart;
2220         float conwidth, conheight;
2221         float f;
2222         r_viewport_t viewport;
2223
2224         Sbar_ShowFPS_Update();
2225
2226         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2227                 return;                         // not initialized yet
2228
2229         loadingscreendone = false;
2230
2231         if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2232         {
2233                 // play a bit with the palette (experimental)
2234                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2235                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2236                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2237                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2238                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2239                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2240                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2241                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2242         }
2243
2244         if (vid_hidden)
2245         {
2246                 VID_Finish();
2247                 return;
2248         }
2249
2250         rendertime1 = Sys_DoubleTime();
2251
2252         conwidth = bound(160, vid_conwidth.value, 32768);
2253         conheight = bound(90, vid_conheight.value, 24576);
2254         if (vid_conwidth.value != conwidth)
2255                 Cvar_SetValue("vid_conwidth", conwidth);
2256         if (vid_conheight.value != conheight)
2257                 Cvar_SetValue("vid_conheight", conheight);
2258
2259         // bound viewsize
2260         if (scr_viewsize.value < 30)
2261                 Cvar_Set ("viewsize","30");
2262         if (scr_viewsize.value > 120)
2263                 Cvar_Set ("viewsize","120");
2264
2265         // bound field of view
2266         if (scr_fov.value < 1)
2267                 Cvar_Set ("fov","1");
2268         if (scr_fov.value > 170)
2269                 Cvar_Set ("fov","170");
2270
2271         // intermission is always full screen
2272         if (cl.intermission)
2273                 sb_lines = 0;
2274         else
2275         {
2276                 if (scr_viewsize.value >= 120)
2277                         sb_lines = 0;           // no status bar at all
2278                 else if (scr_viewsize.value >= 110)
2279                         sb_lines = 24;          // no inventory
2280                 else
2281                         sb_lines = 24+16+8;
2282         }
2283
2284         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, vieworigin);
2285         R_HDR_UpdateIrisAdaptation(vieworigin);
2286
2287         r_refdef.view.colormask[0] = 1;
2288         r_refdef.view.colormask[1] = 1;
2289         r_refdef.view.colormask[2] = 1;
2290
2291         SCR_SetUpToDrawConsole();
2292
2293 #ifndef USE_GLES2
2294         if (qglDrawBuffer)
2295         {
2296                 CHECKGLERROR
2297                 qglDrawBuffer(GL_BACK);CHECKGLERROR
2298                 // set dithering mode
2299                 if (gl_dither.integer)
2300                 {
2301                         qglEnable(GL_DITHER);CHECKGLERROR
2302                 }
2303                 else
2304                 {
2305                         qglDisable(GL_DITHER);CHECKGLERROR
2306                 }
2307         }
2308 #endif
2309
2310         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2311         R_Mesh_ResetRenderTargets();
2312         R_SetViewport(&viewport);
2313         GL_ScissorTest(false);
2314         GL_ColorMask(1,1,1,1);
2315         GL_DepthMask(true);
2316
2317         R_ClearScreen(false);
2318         r_refdef.view.clear = false;
2319         r_refdef.view.isoverlay = false;
2320         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2321         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2322
2323 #ifndef USE_GLES2
2324         if (qglPolygonStipple)
2325         {
2326                 if(scr_stipple.integer)
2327                 {
2328                         GLubyte stipple[128];
2329                         int i, s, width, parts;
2330                         static int frame = 0;
2331                         ++frame;
2332         
2333                         s = scr_stipple.integer;
2334                         parts = (s & 007);
2335                         width = (s & 070) >> 3;
2336         
2337                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2338                         for(i = 0; i < 128; ++i)
2339                         {
2340                                 int line = i/4;
2341                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2342                         }
2343                         qglPolygonStipple(stipple);CHECKGLERROR
2344                 }
2345                 else
2346                 {
2347                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2348                 }
2349         }
2350 #endif
2351
2352         if (r_viewscale_fpsscaling.integer)
2353                 GL_Finish();
2354         drawscreenstart = Sys_DoubleTime();
2355 #ifndef USE_GLES2
2356         if (R_Stereo_Active())
2357         {
2358                 r_stereo_side = 0;
2359
2360                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2361                 {
2362                         r_refdef.view.colormask[0] = 1;
2363                         r_refdef.view.colormask[1] = 0;
2364                         r_refdef.view.colormask[2] = 0;
2365                 }
2366
2367                 if (vid.stereobuffer)
2368                         qglDrawBuffer(GL_BACK_RIGHT);
2369
2370                 SCR_DrawScreen();
2371
2372                 r_stereo_side = 1;
2373
2374                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2375                 {
2376                         r_refdef.view.colormask[0] = 0;
2377                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2378                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2379                 }
2380
2381                 if (vid.stereobuffer)
2382                         qglDrawBuffer(GL_BACK_LEFT);
2383
2384                 SCR_DrawScreen();
2385         }
2386         else
2387 #endif
2388                 SCR_DrawScreen();
2389         if (r_viewscale_fpsscaling.integer)
2390                 GL_Finish();
2391         r_refdef.lastdrawscreentime = Sys_DoubleTime() - drawscreenstart;
2392
2393         SCR_CaptureVideo();
2394
2395         if (qglFlush)
2396                 qglFlush(); // FIXME: should we really be using qglFlush here?
2397
2398         // quality adjustment according to render time
2399         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2400         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2401                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2402         else
2403                 cl_updatescreen_quality = 1;
2404
2405         if (!vid_activewindow)
2406                 VID_SetMouse(false, false, false);
2407         else if (key_consoleactive)
2408                 VID_SetMouse(vid.fullscreen, false, false);
2409         else if (key_dest == key_menu_grabbed)
2410                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2411         else if (key_dest == key_menu)
2412                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2413         else
2414                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && cl_prydoncursor.integer <= 0 && (!cls.demoplayback || cl_demo_mousegrab.integer) && !vid_touchscreen.integer, !vid_touchscreen.integer);
2415
2416         VID_Finish();
2417 }
2418
2419 void CL_Screen_NewMap(void)
2420 {
2421 }