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