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