make infobar height configurable
[divverent/darkplaces.git] / cl_screen.c
1
2 #include "quakedef.h"
3 #include "cl_video.h"
4 #include "image.h"
5 #include "jpeg.h"
6 #include "image_png.h"
7 #include "cl_collision.h"
8 #include "libcurl.h"
9 #include "csprogs.h"
10 #include "cap_avi.h"
11 #include "cap_ogg.h"
12
13 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
14 #include "snd_main.h"
15
16 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
17 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
18 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background gfx/conback"};
19 cvar_t scr_conalphafactor = {CVAR_SAVE, "scr_conalphafactor", "1", "opacity of console background gfx/conback relative to scr_conalpha; when 0, gfx/conback is not drawn"};
20 cvar_t scr_conalpha2factor = {CVAR_SAVE, "scr_conalpha2factor", "0", "opacity of console background gfx/conback2 relative to scr_conalpha; when 0, gfx/conback2 is not drawn"};
21 cvar_t scr_conalpha3factor = {CVAR_SAVE, "scr_conalpha3factor", "0", "opacity of console background gfx/conback3 relative to scr_conalpha; when 0, gfx/conback3 is not drawn"};
22 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
23 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
24 cvar_t scr_conscroll_x = {CVAR_SAVE, "scr_conscroll_x", "0", "scroll speed of gfx/conback in x direction"};
25 cvar_t scr_conscroll_y = {CVAR_SAVE, "scr_conscroll_y", "0", "scroll speed of gfx/conback in y direction"};
26 cvar_t scr_conscroll2_x = {CVAR_SAVE, "scr_conscroll2_x", "0", "scroll speed of gfx/conback2 in x direction"};
27 cvar_t scr_conscroll2_y = {CVAR_SAVE, "scr_conscroll2_y", "0", "scroll speed of gfx/conback2 in y direction"};
28 cvar_t scr_conscroll3_x = {CVAR_SAVE, "scr_conscroll3_x", "0", "scroll speed of gfx/conback3 in x direction"};
29 cvar_t scr_conscroll3_y = {CVAR_SAVE, "scr_conscroll3_y", "0", "scroll speed of gfx/conback3 in y direction"};
30 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
31 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
32 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
33 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
34 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
35 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
36 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
37 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
38 cvar_t scr_loadingscreen_scale = {0, "scr_loadingscreen_scale","1", "scale factor of the background"};
39 cvar_t scr_loadingscreen_scale_base = {0, "scr_loadingscreen_scale_base","0", "0 = console pixels, 1 = video pixels"};
40 cvar_t scr_loadingscreen_scale_limit = {0, "scr_loadingscreen_scale_limit","0", "0 = no limit, 1 = until first edge hits screen edge, 2 = until last edge hits screen edge, 3 = until width hits screen width, 4 = until height hits screen height"};
41 cvar_t scr_loadingscreen_count = {0, "scr_loadingscreen_count","1", "number of loading screen files to use randomly (named loading.tga, loading2.tga, loading3.tga, ...)"};
42 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
43 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "the height of the loadingscreen progress bar"};
44 cvar_t scr_infobar_height = {0, "scr_infobar_height", "8", "the height of the infobar items"};
45 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
46 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
47 cvar_t vid_pixelheight = {CVAR_SAVE, "vid_pixelheight", "1", "adjusts vertical field of vision to account for non-square pixels (1280x1024 on a CRT monitor for example)"};
48 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
49 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
50 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
51 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
52 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
53 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
54 // scr_screenshot_name is defined in fs.c
55 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)"};
56 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)"};
57 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
58 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
59 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"};
60 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)"};
61 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
62 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
63 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
64 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)"};
65 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)"};
66 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)"};
67 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)"};
68 cvar_t r_stereo_horizontal = {0, "r_stereo_horizontal", "0", "aspect skewed side by side view for special decoder/display hardware"};
69 cvar_t r_stereo_vertical = {0, "r_stereo_vertical", "0", "aspect skewed top and bottom view for special decoder/display hardware"};
70 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)"};
71 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"};
72 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
73 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)"};
74 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
75 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
76 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
77 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
78 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
79 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
80 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"};
81 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)"};
82 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)"};
83 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"};
84
85 extern cvar_t v_glslgamma;
86 extern cvar_t sbar_info_pos;
87 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
88
89 int jpeg_supported = false;
90
91 qboolean        scr_initialized;                // ready to draw
92
93 float           scr_con_current;
94 int                     scr_con_margin_bottom;
95
96 extern int      con_vislines;
97
98 static void SCR_ScreenShot_f (void);
99 static void R_Envmap_f (void);
100
101 // backend
102 void R_ClearScreen(qboolean fogcolor);
103
104 /*
105 ===============================================================================
106
107 CENTER PRINTING
108
109 ===============================================================================
110 */
111
112 char            scr_centerstring[MAX_INPUTLINE];
113 float           scr_centertime_start;   // for slow victory printing
114 float           scr_centertime_off;
115 int                     scr_center_lines;
116 int                     scr_erase_lines;
117 int                     scr_erase_center;
118 char        scr_infobarstring[MAX_INPUTLINE];
119 float       scr_infobartime_off;
120
121 /*
122 ==============
123 SCR_CenterPrint
124
125 Called for important messages that should stay in the center of the screen
126 for a few moments
127 ==============
128 */
129 void SCR_CenterPrint(const char *str)
130 {
131         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
132         scr_centertime_off = scr_centertime.value;
133         scr_centertime_start = cl.time;
134
135 // count the number of lines for centering
136         scr_center_lines = 1;
137         while (*str)
138         {
139                 if (*str == '\n')
140                         scr_center_lines++;
141                 str++;
142         }
143 }
144
145
146 void SCR_DrawCenterString (void)
147 {
148         char    *start;
149         int             x, y;
150         int             remaining;
151         int             color;
152
153         if(cl.intermission == 2) // in finale,
154                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
155                         return;
156
157         if(scr_centertime.value <= 0 && !cl.intermission)
158                 return;
159
160 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
161         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
162                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
163         else
164                 remaining = 9999;
165
166         scr_erase_center = 0;
167         start = scr_centerstring;
168
169         if (remaining < 1)
170                 return;
171
172         if (scr_center_lines <= 4)
173                 y = (int)(vid_conheight.integer*0.35);
174         else
175                 y = 48;
176
177         color = -1;
178         do
179         {
180                 // scan the number of characters on the line, not counting color codes
181                 char *newline = strchr(start, '\n');
182                 int l = newline ? (newline - start) : (int)strlen(start);
183                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
184
185                 x = (int) (vid_conwidth.integer - width)/2;
186                 if (l > 0)
187                 {
188                         if (remaining < l)
189                                 l = remaining;
190                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
191                         remaining -= l;
192                         if (remaining <= 0)
193                                 return;
194                 }
195                 y += 8;
196
197                 if (!newline)
198                         break;
199                 start = newline + 1; // skip the \n
200         } while (1);
201 }
202
203 void SCR_CheckDrawCenterString (void)
204 {
205         if (scr_center_lines > scr_erase_lines)
206                 scr_erase_lines = scr_center_lines;
207
208         if (cl.time > cl.oldtime)
209                 scr_centertime_off -= cl.time - cl.oldtime;
210
211         // don't draw if this is a normal stats-screen intermission,
212         // only if it is not an intermission, or a finale intermission
213         if (cl.intermission == 1)
214                 return;
215         if (scr_centertime_off <= 0 && !cl.intermission)
216                 return;
217         if (key_dest != key_game)
218                 return;
219
220         SCR_DrawCenterString ();
221 }
222
223 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
224 {
225         netgraphitem_t *graph;
226         int j, x, y, numlines;
227         int totalbytes = 0;
228         char bytesstring[128];
229         float g[NETGRAPH_PACKETS][6];
230         float *a;
231         float *b;
232         float vertex3f[(NETGRAPH_PACKETS+2)*5*2*3];
233         float color4f[(NETGRAPH_PACKETS+2)*5*2*4];
234         float *v;
235         float *c;
236         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
237         // draw the bar graph itself
238         // advance the packet counter because it is the latest packet column being
239         // built up and should come last
240         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
241         memset(g, 0, sizeof(g));
242         for (j = 0;j < NETGRAPH_PACKETS;j++)
243         {
244                 graph = netgraph + j;
245                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
246                 g[j][1] = 1.0f;
247                 g[j][2] = 1.0f;
248                 g[j][3] = 1.0f;
249                 g[j][4] = 1.0f;
250                 g[j][5] = 1.0f;
251                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
252                         g[j][1] = 0.00f;
253                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
254                         g[j][2] = 0.96f;
255                 else
256                 {
257                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
258                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
259                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
260                         // count bytes in the last second
261                         if (realtime - graph->time < 1.0f)
262                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
263                 }
264                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
265                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
266                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
267                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
268                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
269         }
270         // render the lines for the graph
271         numlines = 0;
272         v = vertex3f;
273         c = color4f;
274         for (j = 0;j < NETGRAPH_PACKETS;j++)
275         {
276                 a = g[j];
277                 b = g[(j+1)%NETGRAPH_PACKETS];
278                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
279                         continue;
280                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[2], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 0.0f, 1.0f);c += 4;
281                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[2], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 0.0f, 1.0f);c += 4;
282
283                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[1], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.0f, 0.0f, 1.0f);c += 4;
284                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[1], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.0f, 0.0f, 1.0f);c += 4;
285
286                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[5], 0.0f);v += 3;Vector4Set(c, 0.0f, 1.0f, 0.0f, 1.0f);c += 4;
287                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[5], 0.0f);v += 3;Vector4Set(c, 0.0f, 1.0f, 0.0f, 1.0f);c += 4;
288
289                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[4], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 1.0f, 1.0f);c += 4;
290                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[4], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 1.0f, 1.0f);c += 4;
291
292                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[3], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.5f, 0.0f, 1.0f);c += 4;
293                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[3], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.5f, 0.0f, 1.0f);c += 4;
294
295                 numlines += 5;
296         }
297         if (numlines > 0)
298                 DrawQ_Lines(0.0f, numlines, vertex3f, color4f, 0);
299         x = graphx;
300         y = graphy + graphheight;
301         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
302         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
303         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
304 }
305
306 /*
307 ==============
308 SCR_DrawNetGraph
309 ==============
310 */
311 void SCR_DrawNetGraph (void)
312 {
313         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
314         float graphscale;
315         netconn_t *c;
316
317         if (cls.state != ca_connected)
318                 return;
319         if (!cls.netcon)
320                 return;
321         if (!shownetgraph.integer)
322                 return;
323
324         separator1 = 2;
325         separator2 = 4;
326         textsize = 8;
327         graphwidth = 120;
328         graphheight = 70;
329         graphscale = 1.0f / 1500.0f;
330
331         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
332         netgraphsperrow = max(netgraphsperrow, 1);
333
334         index = 0;
335         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
336         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
337         c = cls.netcon;
338         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
339         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
340         index++;
341
342         if (sv.active && shownetgraph.integer >= 2)
343         {
344                 for (i = 0;i < svs.maxclients;i++)
345                 {
346                         c = svs.clients[i].netconnection;
347                         if (!c)
348                                 continue;
349                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
350                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
351                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
352                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
353                         index++;
354                 }
355         }
356 }
357
358 /*
359 ==============
360 SCR_DrawTurtle
361 ==============
362 */
363 void SCR_DrawTurtle (void)
364 {
365         static int      count;
366
367         if (cls.state != ca_connected)
368                 return;
369
370         if (!scr_showturtle.integer)
371                 return;
372
373         if (cl.realframetime < 0.1)
374         {
375                 count = 0;
376                 return;
377         }
378
379         count++;
380         if (count < 3)
381                 return;
382
383         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
384 }
385
386 /*
387 ==============
388 SCR_DrawNet
389 ==============
390 */
391 void SCR_DrawNet (void)
392 {
393         if (cls.state != ca_connected)
394                 return;
395         if (realtime - cl.last_received_message < 0.3)
396                 return;
397         if (cls.demoplayback)
398                 return;
399
400         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
401 }
402
403 /*
404 ==============
405 DrawPause
406 ==============
407 */
408 void SCR_DrawPause (void)
409 {
410         cachepic_t      *pic;
411
412         if (cls.state != ca_connected)
413                 return;
414
415         if (!scr_showpause.integer)             // turn off for screenshots
416                 return;
417
418         if (!cl.paused)
419                 return;
420
421         pic = Draw_CachePic ("gfx/pause");
422         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
423 }
424
425 /*
426 ==============
427 SCR_DrawBrand
428 ==============
429 */
430 void SCR_DrawBrand (void)
431 {
432         cachepic_t      *pic;
433         float           x, y;
434
435         if (!scr_showbrand.value)
436                 return;
437
438         pic = Draw_CachePic ("gfx/brand");
439
440         switch ((int)scr_showbrand.value)
441         {
442         case 1: // bottom left
443                 x = 0;
444                 y = vid_conheight.integer - pic->height;
445                 break;
446         case 2: // bottom centre
447                 x = (vid_conwidth.integer - pic->width) / 2;
448                 y = vid_conheight.integer - pic->height;
449                 break;
450         case 3: // bottom right
451                 x = vid_conwidth.integer - pic->width;
452                 y = vid_conheight.integer - pic->height;
453                 break;
454         case 4: // centre right
455                 x = vid_conwidth.integer - pic->width;
456                 y = (vid_conheight.integer - pic->height) / 2;
457                 break;
458         case 5: // top right
459                 x = vid_conwidth.integer - pic->width;
460                 y = 0;
461                 break;
462         case 6: // top centre
463                 x = (vid_conwidth.integer - pic->width) / 2;
464                 y = 0;
465                 break;
466         case 7: // top left
467                 x = 0;
468                 y = 0;
469                 break;
470         case 8: // centre left
471                 x = 0;
472                 y = (vid_conheight.integer - pic->height) / 2;
473                 break;
474         default:
475                 return;
476         }
477
478         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
479 }
480
481 /*
482 ==============
483 SCR_DrawQWDownload
484 ==============
485 */
486 static int SCR_DrawQWDownload(int offset)
487 {
488         // sync with SCR_InfobarHeight
489         int len;
490         float x, y;
491         float size = scr_infobar_height.value;
492         char temp[256];
493
494         if (!cls.qw_downloadname[0])
495         {
496                 cls.qw_downloadspeedrate = 0;
497                 cls.qw_downloadspeedtime = realtime;
498                 cls.qw_downloadspeedcount = 0;
499                 return 0;
500         }
501         if (realtime >= cls.qw_downloadspeedtime + 1)
502         {
503                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
504                 cls.qw_downloadspeedtime = realtime;
505                 cls.qw_downloadspeedcount = 0;
506         }
507         if (cls.protocol == PROTOCOL_QUAKEWORLD)
508                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
509         else
510                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i/%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadmemorymaxsize, cls.qw_downloadspeedrate);
511         len = (int)strlen(temp);
512         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
513         y = vid_conheight.integer - size - offset;
514         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
515         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
516         return size;
517 }
518 /*
519 ==============
520 SCR_DrawInfobarString
521 ==============
522 */
523 static int SCR_DrawInfobarString(int offset)
524 {
525         int len;
526         float x, y;
527         float size = scr_infobar_height.value;
528
529         len = (int)strlen(scr_infobarstring);
530         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
531         y = vid_conheight.integer - size - offset;
532         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
533         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
534         return size;
535 }
536
537 /*
538 ==============
539 SCR_DrawCurlDownload
540 ==============
541 */
542 static int SCR_DrawCurlDownload(int offset)
543 {
544         // sync with SCR_InfobarHeight
545         int len;
546         int nDownloads;
547         int i;
548         float x, y;
549         float size = scr_infobar_height.value;
550         Curl_downloadinfo_t *downinfo;
551         char temp[256];
552         const char *addinfo;
553
554         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
555         if(!downinfo)
556                 return 0;
557
558         y = vid_conheight.integer - size * nDownloads - offset;
559
560         if(addinfo)
561         {
562                 len = (int)strlen(addinfo);
563                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
564                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
565                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
566         }
567
568         for(i = 0; i != nDownloads; ++i)
569         {
570                 if(downinfo[i].queued)
571                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s", downinfo[i].filename);
572                 else if(downinfo[i].progress <= 0)
573                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s", downinfo[i].filename, downinfo[i].speed / 1024.0);
574                 else
575                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
576                 len = (int)strlen(temp);
577                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
578                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
579                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
580         }
581
582         Z_Free(downinfo);
583
584         return size * (nDownloads + (addinfo ? 1 : 0));
585 }
586
587 /*
588 ==============
589 SCR_DrawInfobar
590 ==============
591 */
592 static void SCR_DrawInfobar(void)
593 {
594         int offset = 0;
595         offset += SCR_DrawQWDownload(offset);
596         offset += SCR_DrawCurlDownload(offset);
597         if(scr_infobartime_off > 0)
598                 offset += SCR_DrawInfobarString(offset);
599         if(offset != scr_con_margin_bottom)
600                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
601 }
602
603 static int SCR_InfobarHeight(void)
604 {
605         int offset = 0;
606         Curl_downloadinfo_t *downinfo;
607         const char *addinfo;
608         int nDownloads;
609
610         if (cl.time > cl.oldtime)
611                 scr_infobartime_off -= cl.time - cl.oldtime;
612         if(scr_infobartime_off > 0)
613                 offset += 8;
614
615         if(cls.qw_downloadname[0])
616                 offset += 8;
617
618         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
619         if(downinfo)
620         {
621                 offset += 8 * (nDownloads + (addinfo ? 1 : 0));
622                 Z_Free(downinfo);
623         }
624
625         return offset;
626 }
627
628 /*
629 ==============
630 SCR_InfoBar_f
631 ==============
632 */
633 void SCR_InfoBar_f(void)
634 {
635         if(Cmd_Argc() == 3)
636         {
637                 scr_infobartime_off = atof(Cmd_Argv(1));
638                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
639         }
640         else
641         {
642                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
643         }
644 }
645 //=============================================================================
646
647 /*
648 ==================
649 SCR_SetUpToDrawConsole
650 ==================
651 */
652 void SCR_SetUpToDrawConsole (void)
653 {
654         // lines of console to display
655         float conlines;
656         static int framecounter = 0;
657
658         Con_CheckResize ();
659
660         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
661         {
662                 if (framecounter >= 2)
663                         MR_ToggleMenu(1);
664                 else
665                         framecounter++;
666         }
667         else
668                 framecounter = 0;
669
670         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
671                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
672         else
673                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
674
675 // decide on the height of the console
676         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
677                 conlines = vid_conheight.integer/2;     // half screen
678         else
679                 conlines = 0;                           // none visible
680
681         scr_con_current = conlines;
682 }
683
684 /*
685 ==================
686 SCR_DrawConsole
687 ==================
688 */
689 void SCR_DrawConsole (void)
690 {
691         scr_con_margin_bottom = SCR_InfobarHeight();
692         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
693         {
694                 // full screen
695                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
696         }
697         else if (scr_con_current)
698                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
699         else
700                 con_vislines = 0;
701 }
702
703 /*
704 ===============
705 SCR_BeginLoadingPlaque
706
707 ================
708 */
709 void SCR_BeginLoadingPlaque (void)
710 {
711         // save console log up to this point to log_file if it was set by configs
712         Log_Start();
713
714         Host_StartVideo();
715         SCR_UpdateLoadingScreen(false);
716 }
717
718 //=============================================================================
719
720 char r_speeds_timestring[4096];
721 int speedstringcount, r_timereport_active;
722 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
723 int r_speeds_longestitem = 0;
724
725 void R_TimeReport(const char *desc)
726 {
727         char tempbuf[256];
728         int length;
729         int t;
730
731         if (r_speeds.integer < 2 || !r_timereport_active)
732                 return;
733
734         CHECKGLERROR
735         if (r_speeds.integer == 2 && qglFinish)
736                 qglFinish();
737         CHECKGLERROR
738         r_timereport_temp = r_timereport_current;
739         r_timereport_current = Sys_DoubleTime();
740         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
741
742         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
743         length = min(length, (int)sizeof(tempbuf) - 1);
744         if (r_speeds_longestitem < length)
745                 r_speeds_longestitem = length;
746         for (;length < r_speeds_longestitem;length++)
747                 tempbuf[length] = ' ';
748         tempbuf[length] = 0;
749
750         if (speedstringcount + length > (vid_conwidth.integer / 8))
751         {
752                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
753                 speedstringcount = 0;
754         }
755         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
756         speedstringcount += length;
757 }
758
759 void R_TimeReport_BeginFrame(void)
760 {
761         speedstringcount = 0;
762         r_speeds_timestring[0] = 0;
763         r_timereport_active = false;
764         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
765
766         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
767         {
768                 r_timereport_active = true;
769                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
770         }
771 }
772
773 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
774 {
775         int i, triangles = 0;
776         for (i = 0;i < leaf->numleafsurfaces;i++)
777                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
778         return triangles;
779 }
780
781 void R_TimeReport_EndFrame(void)
782 {
783         int i, j, lines, y;
784         cl_locnode_t *loc;
785         char string[1024+4096];
786         mleaf_t *viewleaf;
787
788         string[0] = 0;
789         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
790         {
791                 // put the location name in the r_speeds display as it greatly helps
792                 // when creating loc files
793                 loc = CL_Locs_FindNearest(cl.movement_origin);
794                 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;
795                 dpsnprintf(string, sizeof(string),
796 "%s%s\n"
797 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
798 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
799 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
800 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
801 "%7i lightmap updates (%7i pixels)\n"
802 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
803 "%6i draws%8i vertices%8i triangles bloompixels%8i copied%8i drawn\n"
804 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
805 "%s"
806 , loc ? "Location: " : "", loc ? loc->name : ""
807 , 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]
808 , 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
809 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
810 , 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)
811 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels
812 , 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
813 , 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
814 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
815 , r_speeds_timestring);
816
817                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
818
819                 speedstringcount = 0;
820                 r_speeds_timestring[0] = 0;
821                 r_timereport_active = false;
822
823                 if (r_speeds.integer >= 2)
824                 {
825                         r_timereport_active = true;
826                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
827                 }
828         }
829
830         if (string[0])
831         {
832                 if (string[strlen(string)-1] == '\n')
833                         string[strlen(string)-1] = 0;
834                 lines = 1;
835                 for (i = 0;string[i];i++)
836                         if (string[i] == '\n')
837                                 lines++;
838                 y = vid_conheight.integer - sb_lines - lines * 8;
839                 i = j = 0;
840                 r_draw2d_force = true;
841                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
842                 while (string[i])
843                 {
844                         j = i;
845                         while (string[i] && string[i] != '\n')
846                                 i++;
847                         if (i - j > 0)
848                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
849                         if (string[i] == '\n')
850                                 i++;
851                         y += 8;
852                 }
853                 r_draw2d_force = false;
854         }
855 }
856
857 /*
858 =================
859 SCR_SizeUp_f
860
861 Keybinding command
862 =================
863 */
864 void SCR_SizeUp_f (void)
865 {
866         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
867 }
868
869
870 /*
871 =================
872 SCR_SizeDown_f
873
874 Keybinding command
875 =================
876 */
877 void SCR_SizeDown_f (void)
878 {
879         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
880 }
881
882 void SCR_CaptureVideo_EndVideo(void);
883 void CL_Screen_Shutdown(void)
884 {
885         SCR_CaptureVideo_EndVideo();
886 }
887
888 void CL_Screen_Init(void)
889 {
890         Cvar_RegisterVariable (&scr_fov);
891         Cvar_RegisterVariable (&scr_viewsize);
892         Cvar_RegisterVariable (&scr_conalpha);
893         Cvar_RegisterVariable (&scr_conalphafactor);
894         Cvar_RegisterVariable (&scr_conalpha2factor);
895         Cvar_RegisterVariable (&scr_conalpha3factor);
896         Cvar_RegisterVariable (&scr_conscroll_x);
897         Cvar_RegisterVariable (&scr_conscroll_y);
898         Cvar_RegisterVariable (&scr_conscroll2_x);
899         Cvar_RegisterVariable (&scr_conscroll2_y);
900         Cvar_RegisterVariable (&scr_conscroll3_x);
901         Cvar_RegisterVariable (&scr_conscroll3_y);
902         Cvar_RegisterVariable (&scr_conbrightness);
903         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
904         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
905         Cvar_RegisterVariable (&scr_loadingscreen_background);
906         Cvar_RegisterVariable (&scr_loadingscreen_scale);
907         Cvar_RegisterVariable (&scr_loadingscreen_scale_base);
908         Cvar_RegisterVariable (&scr_loadingscreen_scale_limit);
909         Cvar_RegisterVariable (&scr_loadingscreen_count);
910         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
911         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
912         Cvar_RegisterVariable (&scr_infobar_height);
913         Cvar_RegisterVariable (&scr_showram);
914         Cvar_RegisterVariable (&scr_showturtle);
915         Cvar_RegisterVariable (&scr_showpause);
916         Cvar_RegisterVariable (&scr_showbrand);
917         Cvar_RegisterVariable (&scr_centertime);
918         Cvar_RegisterVariable (&scr_printspeed);
919         Cvar_RegisterVariable (&vid_conwidth);
920         Cvar_RegisterVariable (&vid_conheight);
921         Cvar_RegisterVariable (&vid_pixelheight);
922         Cvar_RegisterVariable (&scr_screenshot_jpeg);
923         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
924         Cvar_RegisterVariable (&scr_screenshot_png);
925         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
926         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
927         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
928         Cvar_RegisterVariable (&scr_screenshot_alpha);
929         Cvar_RegisterVariable (&cl_capturevideo);
930         Cvar_RegisterVariable (&cl_capturevideo_printfps);
931         Cvar_RegisterVariable (&cl_capturevideo_width);
932         Cvar_RegisterVariable (&cl_capturevideo_height);
933         Cvar_RegisterVariable (&cl_capturevideo_realtime);
934         Cvar_RegisterVariable (&cl_capturevideo_fps);
935         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
936         Cvar_RegisterVariable (&cl_capturevideo_number);
937         Cvar_RegisterVariable (&cl_capturevideo_ogg);
938         Cvar_RegisterVariable (&cl_capturevideo_framestep);
939         Cvar_RegisterVariable (&r_letterbox);
940         Cvar_RegisterVariable(&r_stereo_separation);
941         Cvar_RegisterVariable(&r_stereo_sidebyside);
942         Cvar_RegisterVariable(&r_stereo_horizontal);
943         Cvar_RegisterVariable(&r_stereo_vertical);
944         Cvar_RegisterVariable(&r_stereo_redblue);
945         Cvar_RegisterVariable(&r_stereo_redcyan);
946         Cvar_RegisterVariable(&r_stereo_redgreen);
947         Cvar_RegisterVariable(&r_stereo_angle);
948         Cvar_RegisterVariable(&scr_zoomwindow);
949         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
950         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
951         Cvar_RegisterVariable(&scr_zoomwindow_fov);
952         Cvar_RegisterVariable(&scr_stipple);
953         Cvar_RegisterVariable(&scr_refresh);
954         Cvar_RegisterVariable(&shownetgraph);
955         Cvar_RegisterVariable(&cl_demo_mousegrab);
956         Cvar_RegisterVariable(&timedemo_screenshotframelist);
957
958         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
959         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
960         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
961         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
962         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
963
964         SCR_CaptureVideo_Ogg_Init();
965
966         scr_initialized = true;
967 }
968
969 /*
970 ==================
971 SCR_ScreenShot_f
972 ==================
973 */
974 void SCR_ScreenShot_f (void)
975 {
976         static int shotnumber;
977         static char old_prefix_name[MAX_QPATH];
978         char prefix_name[MAX_QPATH];
979         char filename[MAX_QPATH];
980         unsigned char *buffer1;
981         unsigned char *buffer2;
982         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
983         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
984
985         if (Cmd_Argc() == 2)
986         {
987                 const char *ext;
988                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
989                 ext = FS_FileExtension(filename);
990                 if (!strcasecmp(ext, "jpg"))
991                 {
992                         jpeg = true;
993                         png = false;
994                 }
995                 else if (!strcasecmp(ext, "tga"))
996                 {
997                         jpeg = false;
998                         png = false;
999                 }
1000                 else if (!strcasecmp(ext, "png"))
1001                 {
1002                         jpeg = false;
1003                         png = true;
1004                 }
1005                 else
1006                 {
1007                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
1008                         return;
1009                 }
1010         }
1011         else
1012         {
1013                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1014                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1015                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
1016                 else
1017                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
1018
1019                 if (strcmp(old_prefix_name, prefix_name))
1020                 {
1021                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
1022                         shotnumber = 0;
1023                 }
1024
1025                 // find a file name to save it to
1026                 for (;shotnumber < 1000000;shotnumber++)
1027                         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)))
1028                                 break;
1029                 if (shotnumber >= 1000000)
1030                 {
1031                         Con_Print("Couldn't create the image file\n");
1032                         return;
1033                 }
1034
1035                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
1036         }
1037
1038         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1039         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
1040
1041         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer != 0))
1042                 Con_Printf("Wrote %s\n", filename);
1043         else
1044         {
1045                 Con_Printf("Unable to write %s\n", filename);
1046                 if(jpeg || png)
1047                 {
1048                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer != 0))
1049                         {
1050                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1051                                 Con_Printf("Wrote %s\n", filename);
1052                         }
1053                 }
1054         }
1055
1056         Mem_Free (buffer1);
1057         Mem_Free (buffer2);
1058
1059         shotnumber++;
1060 }
1061
1062 void SCR_CaptureVideo_BeginVideo(void)
1063 {
1064         double r, g, b;
1065         unsigned int i;
1066         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1067         if (cls.capturevideo.active)
1068                 return;
1069         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1070         // soundrate is figured out on the first SoundFrame
1071
1072         if(width == 0 && height != 0)
1073                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1074         if(width != 0 && height == 0)
1075                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1076
1077         if(width < 2 || width > vid.width) // can't scale up
1078                 width = vid.width;
1079         if(height < 2 || height > vid.height) // can't scale up
1080                 height = vid.height;
1081
1082         // ensure it's all even; if not, scale down a little
1083         if(width % 1)
1084                 --width;
1085         if(height % 1)
1086                 --height;
1087
1088         cls.capturevideo.width = width;
1089         cls.capturevideo.height = height;
1090         cls.capturevideo.active = true;
1091         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1092         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1093         cls.capturevideo.soundrate = S_GetSoundRate();
1094         cls.capturevideo.soundchannels = S_GetSoundChannels();
1095         cls.capturevideo.startrealtime = realtime;
1096         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1097         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1098         cls.capturevideo.soundsampleframe = 0;
1099         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1100         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1101         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1102         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1103         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1104
1105         /*
1106         for (i = 0;i < 256;i++)
1107         {
1108                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1109                 cls.capturevideo.rgbgammatable[0][i] = j;
1110                 cls.capturevideo.rgbgammatable[1][i] = j;
1111                 cls.capturevideo.rgbgammatable[2][i] = j;
1112         }
1113         */
1114 /*
1115 R = Y + 1.4075 * (Cr - 128);
1116 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1117 B = Y + 1.7790 * (Cb - 128);
1118 Y = R *  .299 + G *  .587 + B *  .114;
1119 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1120 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1121 */
1122
1123         if(WANT_SCREENSHOT_HWGAMMA)
1124         {
1125                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1126         }
1127         else
1128         {
1129                 // identity gamma table
1130                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1131                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1132                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1133         }
1134         if(scr_screenshot_gammaboost.value != 1)
1135         {
1136                 double igamma = 1 / scr_screenshot_gammaboost.value;
1137                 for (i = 0;i < 256 * 3;i++)
1138                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1139         }
1140
1141         for (i = 0;i < 256;i++)
1142         {
1143                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1144                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1145                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1146                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1147                 // Y weights from RGB
1148                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1149                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1150                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1151                 // Cb weights from RGB
1152                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1153                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1154                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1155                 // Cr weights from RGB
1156                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1157                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1158                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1159                 // range reduction of YCbCr to valid signal range
1160                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1161                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1162                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1163         }
1164
1165         if (cl_capturevideo_ogg.integer)
1166         {
1167                 if(SCR_CaptureVideo_Ogg_Available())
1168                 {
1169                         SCR_CaptureVideo_Ogg_BeginVideo();
1170                         return;
1171                 }
1172                 else
1173                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1174         }
1175
1176         SCR_CaptureVideo_Avi_BeginVideo();
1177 }
1178
1179 void SCR_CaptureVideo_EndVideo(void)
1180 {
1181         if (!cls.capturevideo.active)
1182                 return;
1183         cls.capturevideo.active = false;
1184
1185         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);
1186
1187         if (cls.capturevideo.videofile)
1188         {
1189                 cls.capturevideo.endvideo();
1190         }
1191
1192         if (cls.capturevideo.screenbuffer)
1193         {
1194                 Mem_Free (cls.capturevideo.screenbuffer);
1195                 cls.capturevideo.screenbuffer = NULL;
1196         }
1197
1198         if (cls.capturevideo.outbuffer)
1199         {
1200                 Mem_Free (cls.capturevideo.outbuffer);
1201                 cls.capturevideo.outbuffer = NULL;
1202         }
1203
1204         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1205 }
1206
1207 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1208 {
1209         // TODO optimize this function
1210
1211         int x, y;
1212         float area;
1213
1214         // memcpy is faster than me
1215         if(inw == outw && inh == outh)
1216         {
1217                 memcpy(out, in, 4 * inw * inh);
1218                 return;
1219         }
1220
1221         // otherwise: a box filter
1222         area = (float)outw * (float)outh / (float)inw / (float)inh;
1223         for(y = 0; y < outh; ++y)
1224         {
1225                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1226                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1227                 for(x = 0; x < outw; ++x)
1228                 {
1229                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1230                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1231                         float r = 0, g = 0, b = 0, alpha = 0;
1232                         int xx, yy;
1233
1234                         for(yy = iny0_i; yy < iny1_i; ++yy)
1235                         {
1236                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1237                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1238                                 {
1239                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1240                                         r += a * in[4*(xx + inw * yy)+0];
1241                                         g += a * in[4*(xx + inw * yy)+1];
1242                                         b += a * in[4*(xx + inw * yy)+2];
1243                                         alpha += a * in[4*(xx + inw * yy)+3];
1244                                 }
1245                         }
1246
1247                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1248                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1249                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1250                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1251                 }
1252         }
1253 }
1254
1255 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1256 {
1257         int x = 0, y = 0;
1258         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1259
1260         if(newframestepframenum == cls.capturevideo.framestepframe)
1261                 return;
1262
1263         CHECKGLERROR
1264         // speed is critical here, so do saving as directly as possible
1265
1266         GL_ReadPixelsBGRA(x, y, vid.width, vid.height, cls.capturevideo.screenbuffer);
1267
1268         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1269
1270         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1271         cls.capturevideo.framestepframe = newframestepframenum;
1272
1273         if(cl_capturevideo_printfps.integer)
1274         {
1275                 char buf[80];
1276                 double t = Sys_DoubleTime();
1277                 if(t > cls.capturevideo.lastfpstime + 1)
1278                 {
1279                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1280                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1281                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1282                         Sys_PrintToTerminal(buf);
1283                         cls.capturevideo.lastfpstime = t;
1284                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1285                 }
1286         }
1287 }
1288
1289 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1290 {
1291         cls.capturevideo.soundsampleframe += length;
1292         cls.capturevideo.soundframe(paintbuffer, length);
1293 }
1294
1295 void SCR_CaptureVideo(void)
1296 {
1297         int newframenum;
1298         if (cl_capturevideo.integer)
1299         {
1300                 if (!cls.capturevideo.active)
1301                         SCR_CaptureVideo_BeginVideo();
1302                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1303                 {
1304                         Con_Printf("You can not change the video framerate while recording a video.\n");
1305                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1306                 }
1307                 // for AVI saving we have to make sure that sound is saved before video
1308                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1309                         return;
1310                 if (cls.capturevideo.realtime)
1311                 {
1312                         // preserve sound sync by duplicating frames when running slow
1313                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1314                 }
1315                 else
1316                         newframenum = cls.capturevideo.frame + 1;
1317                 // if falling behind more than one second, stop
1318                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1319                 {
1320                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1321                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1322                         SCR_CaptureVideo_EndVideo();
1323                         return;
1324                 }
1325                 // write frames
1326                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1327                 cls.capturevideo.frame = newframenum;
1328                 if (cls.capturevideo.error)
1329                 {
1330                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1331                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1332                         SCR_CaptureVideo_EndVideo();
1333                 }
1334         }
1335         else if (cls.capturevideo.active)
1336                 SCR_CaptureVideo_EndVideo();
1337 }
1338
1339 /*
1340 ===============
1341 R_Envmap_f
1342
1343 Grab six views for environment mapping tests
1344 ===============
1345 */
1346 struct envmapinfo_s
1347 {
1348         float angles[3];
1349         const char *name;
1350         qboolean flipx, flipy, flipdiagonaly;
1351 }
1352 envmapinfo[12] =
1353 {
1354         {{  0,   0, 0}, "rt", false, false, false},
1355         {{  0, 270, 0}, "ft", false, false, false},
1356         {{  0, 180, 0}, "lf", false, false, false},
1357         {{  0,  90, 0}, "bk", false, false, false},
1358         {{-90, 180, 0}, "up",  true,  true, false},
1359         {{ 90, 180, 0}, "dn",  true,  true, false},
1360
1361         {{  0,   0, 0}, "px",  true,  true,  true},
1362         {{  0,  90, 0}, "py", false,  true, false},
1363         {{  0, 180, 0}, "nx", false, false,  true},
1364         {{  0, 270, 0}, "ny",  true, false, false},
1365         {{-90, 180, 0}, "pz", false, false,  true},
1366         {{ 90, 180, 0}, "nz", false, false,  true}
1367 };
1368
1369 static void R_Envmap_f (void)
1370 {
1371         int j, size;
1372         char filename[MAX_QPATH], basename[MAX_QPATH];
1373         unsigned char *buffer1;
1374         unsigned char *buffer2;
1375
1376         if (Cmd_Argc() != 3)
1377         {
1378                 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");
1379                 return;
1380         }
1381
1382         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1383         size = atoi(Cmd_Argv(2));
1384         if (size != 128 && size != 256 && size != 512 && size != 1024)
1385         {
1386                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1387                 return;
1388         }
1389         if (size > vid.width || size > vid.height)
1390         {
1391                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1392                 return;
1393         }
1394
1395         r_refdef.envmap = true;
1396
1397         R_UpdateVariables();
1398
1399         r_refdef.view.x = 0;
1400         r_refdef.view.y = 0;
1401         r_refdef.view.z = 0;
1402         r_refdef.view.width = size;
1403         r_refdef.view.height = size;
1404         r_refdef.view.depth = 1;
1405         r_refdef.view.useperspective = true;
1406         r_refdef.view.isoverlay = false;
1407
1408         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1409         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1410
1411         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1412         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1413
1414         for (j = 0;j < 12;j++)
1415         {
1416                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1417                 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);
1418                 r_refdef.view.quality = 1;
1419                 r_refdef.view.clear = true;
1420                 R_Mesh_Start();
1421                 R_RenderView();
1422                 R_Mesh_Finish();
1423                 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);
1424         }
1425
1426         Mem_Free (buffer1);
1427         Mem_Free (buffer2);
1428
1429         r_refdef.envmap = false;
1430 }
1431
1432 //=============================================================================
1433
1434 void SHOWLMP_decodehide(void)
1435 {
1436         int i;
1437         char *lmplabel;
1438         lmplabel = MSG_ReadString();
1439         for (i = 0;i < cl.num_showlmps;i++)
1440                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1441                 {
1442                         cl.showlmps[i].isactive = false;
1443                         return;
1444                 }
1445 }
1446
1447 void SHOWLMP_decodeshow(void)
1448 {
1449         int k;
1450         char lmplabel[256], picname[256];
1451         float x, y;
1452         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1453         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1454         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1455         {
1456                 x = MSG_ReadByte();
1457                 y = MSG_ReadByte();
1458         }
1459         else
1460         {
1461                 x = MSG_ReadShort();
1462                 y = MSG_ReadShort();
1463         }
1464         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1465         {
1466                 showlmp_t *oldshowlmps = cl.showlmps;
1467                 cl.max_showlmps += 16;
1468                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1469                 if (cl.num_showlmps)
1470                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1471                 if (oldshowlmps)
1472                         Mem_Free(oldshowlmps);
1473         }
1474         for (k = 0;k < cl.max_showlmps;k++)
1475                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1476                         break;
1477         if (k == cl.max_showlmps)
1478                 for (k = 0;k < cl.max_showlmps;k++)
1479                         if (!cl.showlmps[k].isactive)
1480                                 break;
1481         cl.showlmps[k].isactive = true;
1482         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1483         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1484         cl.showlmps[k].x = x;
1485         cl.showlmps[k].y = y;
1486         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1487 }
1488
1489 void SHOWLMP_drawall(void)
1490 {
1491         int i;
1492         for (i = 0;i < cl.num_showlmps;i++)
1493                 if (cl.showlmps[i].isactive)
1494                         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);
1495 }
1496
1497 /*
1498 ==============================================================================
1499
1500                                                 SCREEN SHOTS
1501
1502 ==============================================================================
1503 */
1504
1505 // buffer1: 4*w*h
1506 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1507 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)
1508 {
1509         int     indices[4] = {0,1,2,3}; // BGRA
1510         qboolean ret;
1511
1512         GL_ReadPixelsBGRA(x, y, width, height, buffer1);
1513
1514         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1515         {
1516                 int i;
1517                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1518                 unsigned short vidramp[256 * 3];
1519                 if(WANT_SCREENSHOT_HWGAMMA)
1520                 {
1521                         VID_BuildGammaTables(&vidramp[0], 256);
1522                 }
1523                 else
1524                 {
1525                         // identity gamma table
1526                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1527                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1528                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1529                 }
1530                 if(scr_screenshot_gammaboost.value != 1)
1531                 {
1532                         for (i = 0;i < 256 * 3;i++)
1533                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1534                 }
1535                 for (i = 0;i < width*height*4;i += 4)
1536                 {
1537                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1538                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1539                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1540                         // A
1541                 }
1542         }
1543
1544         if(keep_alpha && !jpeg)
1545         {
1546                 if(!png)
1547                         flipy = !flipy; // TGA: not preflipped
1548                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1549                 if (png)
1550                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1551                 else
1552                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1553         }
1554         else
1555         {
1556                 if(jpeg)
1557                 {
1558                         indices[0] = 2;
1559                         indices[2] = 0; // RGB
1560                 }
1561                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1562                 if (jpeg)
1563                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1564                 else if (png)
1565                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1566                 else
1567                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1568         }
1569
1570         return ret;
1571 }
1572
1573 //=============================================================================
1574
1575 extern void R_UpdateFogColor(void);
1576 void R_ClearScreen(qboolean fogcolor)
1577 {
1578         float clearcolor[4];
1579         // clear to black
1580         Vector4Clear(clearcolor);
1581         if (fogcolor)
1582         {
1583                 R_UpdateFogColor();
1584                 VectorCopy(r_refdef.fogcolor, clearcolor);
1585         }
1586         // clear depth is 1.0
1587         // LordHavoc: we use a stencil centered around 128 instead of 0,
1588         // to avoid clamping interfering with strange shadow volume
1589         // drawing orders
1590         // clear the screen
1591         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 128);
1592 }
1593
1594 qboolean CL_VM_UpdateView (void);
1595 void SCR_DrawConsole (void);
1596 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1597
1598 int r_stereo_side;
1599
1600 extern void Sbar_ShowFPS(void);
1601 void SCR_DrawScreen (void)
1602 {
1603         Draw_Frame();
1604
1605         R_Mesh_Start();
1606
1607         R_UpdateVariables();
1608
1609         // Quake uses clockwise winding, so these are swapped
1610         r_refdef.view.cullface_front = GL_BACK;
1611         r_refdef.view.cullface_back = GL_FRONT;
1612
1613         if (cls.signon == SIGNONS)
1614         {
1615                 float size;
1616
1617                 size = scr_viewsize.value * (1.0 / 100.0);
1618                 size = min(size, 1);
1619
1620                 if (r_stereo_sidebyside.integer)
1621                 {
1622                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1623                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1624                         r_refdef.view.depth = 1;
1625                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1626                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1627                         r_refdef.view.z = 0;
1628                         if (r_stereo_side)
1629                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1630                 }
1631                 else if (r_stereo_horizontal.integer)
1632                 {
1633                         r_refdef.view.width = (int)(vid.width * size / 2);
1634                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1635                         r_refdef.view.depth = 1;
1636                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.0)/2);
1637                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1638                         r_refdef.view.z = 0;
1639                         if (r_stereo_side)
1640                                 r_refdef.view.x += (int)(r_refdef.view.width);
1641                 }
1642                 else if (r_stereo_vertical.integer)
1643                 {
1644                         r_refdef.view.width = (int)(vid.width * size);
1645                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100) / 2);
1646                         r_refdef.view.depth = 1;
1647                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1648                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height * 2.0)/2);
1649                         r_refdef.view.z = 0;
1650                         if (r_stereo_side)
1651                                 r_refdef.view.y += (int)(r_refdef.view.height);
1652                 }
1653                 else
1654                 {
1655                         r_refdef.view.width = (int)(vid.width * size);
1656                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1657                         r_refdef.view.depth = 1;
1658                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1659                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1660                         r_refdef.view.z = 0;
1661                 }
1662
1663                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1664                 // LordHavoc: this is designed to produce widescreen fov values
1665                 // when the screen is wider than 4/3 width/height aspect, to do
1666                 // this it simply assumes the requested fov is the vertical fov
1667                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1668                 // higher/lower according to the ratio
1669                 r_refdef.view.useperspective = true;
1670                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1671                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1672
1673                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1674                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1675
1676                 if(!CL_VM_UpdateView())
1677                         R_RenderView();
1678
1679                 if (scr_zoomwindow.integer)
1680                 {
1681                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1682                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1683                         r_refdef.view.width = (int)(vid.width * sizex);
1684                         r_refdef.view.height = (int)(vid.height * sizey);
1685                         r_refdef.view.depth = 1;
1686                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1687                         r_refdef.view.y = 0;
1688                         r_refdef.view.z = 0;
1689
1690                         r_refdef.view.useperspective = true;
1691                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1692                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1693
1694                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1695                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1696
1697                         if(!CL_VM_UpdateView())
1698                                 R_RenderView();
1699                 }
1700         }
1701
1702         if (!r_stereo_sidebyside.integer && !r_stereo_horizontal.integer && !r_stereo_vertical.integer)
1703         {
1704                 r_refdef.view.width = vid.width;
1705                 r_refdef.view.height = vid.height;
1706                 r_refdef.view.depth = 1;
1707                 r_refdef.view.x = 0;
1708                 r_refdef.view.y = 0;
1709                 r_refdef.view.z = 0;
1710                 r_refdef.view.useperspective = false;
1711         }
1712
1713         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1714         {
1715                 const char *t;
1716                 int framenum;
1717                 t = timedemo_screenshotframelist.string;
1718                 while (*t)
1719                 {
1720                         while (*t == ' ')
1721                                 t++;
1722                         if (!*t)
1723                                 break;
1724                         framenum = atof(t);
1725                         if (framenum == cls.td_frames)
1726                                 break;
1727                         while (*t && *t != ' ')
1728                                 t++;
1729                 }
1730                 if (*t)
1731                 {
1732                         // we need to take a screenshot of this frame...
1733                         char filename[MAX_QPATH];
1734                         unsigned char *buffer1;
1735                         unsigned char *buffer2;
1736                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1737                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1738                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1739                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1740                         Mem_Free(buffer1);
1741                         Mem_Free(buffer2);
1742                 }
1743         }
1744
1745         // draw 2D stuff
1746         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1747                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1748                         Con_DrawNotify ();      // only draw notify in game
1749
1750         if (cls.signon == SIGNONS)
1751         {
1752                 SCR_DrawNet ();
1753                 SCR_DrawTurtle ();
1754                 SCR_DrawPause ();
1755                 if (!r_letterbox.value)
1756                         Sbar_Draw();
1757                 Sbar_ShowFPS();
1758                 SHOWLMP_drawall();
1759                 SCR_CheckDrawCenterString();
1760         }
1761         SCR_DrawNetGraph ();
1762         MR_Draw();
1763         CL_DrawVideo();
1764         R_Shadow_EditLights_DrawSelectedLightProperties();
1765
1766         SCR_DrawConsole();
1767
1768         SCR_DrawBrand();
1769
1770         SCR_DrawInfobar();
1771
1772         if (r_timereport_active)
1773                 R_TimeReport("2d");
1774
1775         if (cls.signon == SIGNONS)
1776         {
1777                 R_TimeReport_EndFrame();
1778                 R_TimeReport_BeginFrame();
1779         }
1780
1781         DrawQ_Finish();
1782
1783         R_DrawGamma();
1784
1785         R_Mesh_Finish();
1786 }
1787
1788 typedef struct loadingscreenstack_s
1789 {
1790         struct loadingscreenstack_s *prev;
1791         char msg[MAX_QPATH];
1792         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1793         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1794         float relative_completion; // 0 .. 1
1795 }
1796 loadingscreenstack_t;
1797 static loadingscreenstack_t *loadingscreenstack = NULL;
1798 static qboolean loadingscreendone = false;
1799 static qboolean loadingscreencleared = false;
1800 static float loadingscreenheight = 0;
1801 rtexture_t *loadingscreentexture = NULL;
1802 static float loadingscreentexture_vertex3f[12];
1803 static float loadingscreentexture_texcoord2f[8];
1804 static int loadingscreenpic_number = 0;
1805
1806 static void SCR_ClearLoadingScreenTexture(void)
1807 {
1808         if(loadingscreentexture)
1809                 R_FreeTexture(loadingscreentexture);
1810         loadingscreentexture = NULL;
1811 }
1812
1813 extern rtexturepool_t *r_main_texturepool;
1814 static void SCR_SetLoadingScreenTexture(void)
1815 {
1816         int w, h;
1817         float loadingscreentexture_w;
1818         float loadingscreentexture_h;
1819
1820         SCR_ClearLoadingScreenTexture();
1821
1822         if (vid.support.arb_texture_non_power_of_two)
1823         {
1824                 w = vid.width; h = vid.height;
1825                 loadingscreentexture_w = loadingscreentexture_h = 1;
1826         }
1827         else
1828         {
1829                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1830                 loadingscreentexture_w = vid.width / (float) w;
1831                 loadingscreentexture_h = vid.height / (float) h;
1832         }
1833
1834         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
1835         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1836
1837         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1838         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1839         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1840         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1841         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1842         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1843         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1844         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1845         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1846 }
1847
1848 void SCR_UpdateLoadingScreenIfShown(void)
1849 {
1850         if(loadingscreendone)
1851                 SCR_UpdateLoadingScreen(loadingscreencleared);
1852 }
1853
1854 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1855 {
1856         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1857         s->prev = loadingscreenstack;
1858         loadingscreenstack = s;
1859
1860         strlcpy(s->msg, msg, sizeof(s->msg));
1861         s->relative_completion = 0;
1862
1863         if(s->prev)
1864         {
1865                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1866                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1867                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1868                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1869         }
1870         else
1871         {
1872                 s->absolute_loading_amount_min = 0;
1873                 s->absolute_loading_amount_len = 1;
1874         }
1875
1876         if(redraw)
1877                 SCR_UpdateLoadingScreenIfShown();
1878 }
1879
1880 void SCR_PopLoadingScreen (qboolean redraw)
1881 {
1882         loadingscreenstack_t *s = loadingscreenstack;
1883
1884         if(!s)
1885         {
1886                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1887                 return;
1888         }
1889
1890         loadingscreenstack = s->prev;
1891         if(s->prev)
1892                 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;
1893         Z_Free(s);
1894
1895         if(redraw)
1896                 SCR_UpdateLoadingScreenIfShown();
1897 }
1898
1899 void SCR_ClearLoadingScreen (qboolean redraw)
1900 {
1901         while(loadingscreenstack)
1902                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1903 }
1904
1905 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1906 {
1907         float x;
1908         size_t len;
1909         float total;
1910
1911         total = 0;
1912 #if 0
1913         if(s)
1914         {
1915                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1916                 y -= total;
1917                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1918                 {
1919                         len = strlen(s->msg);
1920                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1921                         y -= size;
1922                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1923                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1924                         total += size;
1925                 }
1926         }
1927 #else
1928         if(s)
1929         {
1930                 len = strlen(s->msg);
1931                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1932                 y -= size;
1933                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1934                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1935                 total += size;
1936         }
1937 #endif
1938         return total;
1939 }
1940
1941 static void SCR_DrawLoadingStack(void)
1942 {
1943         float verts[12];
1944         float colors[16];
1945
1946         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1947         if(loadingscreenstack)
1948         {
1949                 // height = 32; // sorry, using the actual one is ugly
1950                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1951                 GL_DepthRange(0, 1);
1952                 GL_PolygonOffset(0, 0);
1953                 GL_DepthTest(false);
1954 //              R_Mesh_ResetTextureState();
1955                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1956                 verts[0] = verts[9] = 0;
1957                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1958                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1959                 verts[7] = verts[10] = vid_conheight.integer;
1960                 
1961 #if _MSC_VER >= 1400
1962 #define sscanf sscanf_s
1963 #endif
1964                 //                                        ^^^^^^^^^^ blue component
1965                 //                              ^^^^^^ bottom row
1966                 //          ^^^^^^^^^^^^ alpha is always on
1967                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
1968                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
1969                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
1970                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
1971
1972                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
1973                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1974                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
1975
1976                 // make sure everything is cleared, including the progress indicator
1977                 if(loadingscreenheight < 8)
1978                         loadingscreenheight = 8;
1979         }
1980 }
1981
1982 static cachepic_t *loadingscreenpic;
1983 static float loadingscreenpic_vertex3f[12];
1984 static float loadingscreenpic_texcoord2f[8];
1985
1986 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
1987 {
1988         r_viewport_t viewport;
1989         float x, y, w, h, sw, sh, f;
1990         // release mouse grab while loading
1991         if (!vid.fullscreen)
1992                 VID_SetMouse(false, false, false);
1993 //      CHECKGLERROR
1994         r_refdef.draw2dstage = true;
1995         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
1996         R_SetViewport(&viewport);
1997         GL_ColorMask(1,1,1,1);
1998         // when starting up a new video mode, make sure the screen is cleared to black
1999         if (clear || loadingscreentexture)
2000                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
2001         R_Textures_Frame();
2002         R_Mesh_Start();
2003         R_EntityMatrix(&identitymatrix);
2004         // draw the loading plaque
2005         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
2006
2007         w = loadingscreenpic->width;
2008         h = loadingscreenpic->height;
2009
2010         // apply scale
2011         w *= scr_loadingscreen_scale.value;
2012         h *= scr_loadingscreen_scale.value;
2013
2014         // apply scale base
2015         if(scr_loadingscreen_scale_base.integer)
2016         {
2017                 w *= vid_conwidth.integer / (float) vid.width;
2018                 h *= vid_conheight.integer / (float) vid.height;
2019         }
2020
2021         // apply scale limit
2022         sw = w / vid_conwidth.integer;
2023         sh = h / vid_conheight.integer;
2024         f = 1;
2025         switch(scr_loadingscreen_scale_limit.integer)
2026         {
2027                 case 1:
2028                         f = max(sw, sh);
2029                         break;
2030                 case 2:
2031                         f = min(sw, sh);
2032                         break;
2033                 case 3:
2034                         f = sw;
2035                         break;
2036                 case 4:
2037                         f = sh;
2038                         break;
2039         }
2040         if(f > 1)
2041         {
2042                 w /= f;
2043                 h /= f;
2044         }
2045
2046         x = (vid_conwidth.integer - w)/2;
2047         y = (vid_conheight.integer - h)/2;
2048         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
2049         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
2050         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
2051         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + w;
2052         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + h;
2053         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
2054         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
2055         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
2056         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
2057 }
2058
2059 static void SCR_DrawLoadingScreen (qboolean clear)
2060 {
2061         // we only need to draw the image if it isn't already there
2062         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2063         GL_DepthRange(0, 1);
2064         GL_PolygonOffset(0, 0);
2065         GL_DepthTest(false);
2066 //      R_Mesh_ResetTextureState();
2067         GL_Color(1,1,1,1);
2068         if(loadingscreentexture)
2069         {
2070                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
2071                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
2072                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2073         }
2074         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
2075         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
2076         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2077         SCR_DrawLoadingStack();
2078 }
2079
2080 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
2081 {
2082         R_Mesh_Finish();
2083         // refresh
2084         VID_Finish();
2085 }
2086
2087 void SCR_UpdateLoadingScreen (qboolean clear)
2088 {
2089         keydest_t       old_key_dest;
2090         int                     old_key_consoleactive;
2091
2092         // don't do anything if not initialized yet
2093         if (vid_hidden || cls.state == ca_dedicated)
2094                 return;
2095
2096         if(!scr_loadingscreen_background.integer)
2097                 clear = true;
2098         
2099         if(loadingscreendone)
2100                 clear |= loadingscreencleared;
2101
2102         if(!loadingscreendone)
2103                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2104
2105         if(clear)
2106                 SCR_ClearLoadingScreenTexture();
2107         else if(!loadingscreendone)
2108                 SCR_SetLoadingScreenTexture();
2109
2110         if(!loadingscreendone)
2111         {
2112                 loadingscreendone = true;
2113                 loadingscreenheight = 0;
2114         }
2115         loadingscreencleared = clear;
2116
2117         if (qglDrawBuffer)
2118                 qglDrawBuffer(GL_BACK);
2119         SCR_DrawLoadingScreen_SharedSetup(clear);
2120         if (vid.stereobuffer)
2121         {
2122                 qglDrawBuffer(GL_BACK_LEFT);
2123                 SCR_DrawLoadingScreen(clear);
2124                 qglDrawBuffer(GL_BACK_RIGHT);
2125                 SCR_DrawLoadingScreen(clear);
2126         }
2127         else
2128         {
2129                 if (qglDrawBuffer)
2130                         qglDrawBuffer(GL_BACK);
2131                 SCR_DrawLoadingScreen(clear);
2132         }
2133         SCR_DrawLoadingScreen_SharedFinish(clear);
2134
2135         // this goes into the event loop, and should prevent unresponsive cursor on vista
2136         old_key_dest = key_dest;
2137         old_key_consoleactive = key_consoleactive;
2138         key_dest = key_void;
2139         key_consoleactive = false;
2140         Key_EventQueue_Block(); Sys_SendKeyEvents();
2141         key_dest = old_key_dest;
2142         key_consoleactive = old_key_consoleactive;
2143 }
2144
2145 qboolean R_Stereo_ColorMasking(void)
2146 {
2147         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2148 }
2149
2150 qboolean R_Stereo_Active(void)
2151 {
2152         return (vid.stereobuffer || r_stereo_sidebyside.integer || r_stereo_horizontal.integer || r_stereo_vertical.integer || R_Stereo_ColorMasking());
2153 }
2154
2155 extern cvar_t cl_minfps;
2156 extern cvar_t cl_minfps_fade;
2157 extern cvar_t cl_minfps_qualitymax;
2158 extern cvar_t cl_minfps_qualitymin;
2159 extern cvar_t cl_minfps_qualitypower;
2160 extern cvar_t cl_minfps_qualityscale;
2161 static double cl_updatescreen_rendertime = 0;
2162 static double cl_updatescreen_quality = 1;
2163 extern void Sbar_ShowFPS_Update(void);
2164 void CL_UpdateScreen(void)
2165 {
2166         double rendertime1;
2167         float conwidth, conheight;
2168         float f;
2169         r_viewport_t viewport;
2170
2171         Sbar_ShowFPS_Update();
2172
2173         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2174                 return;                         // not initialized yet
2175
2176         loadingscreendone = false;
2177
2178         if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2179         {
2180                 // play a bit with the palette (experimental)
2181                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2182                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2183                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2184                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2185                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2186                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2187                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2188                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2189         }
2190
2191         if (vid_hidden)
2192         {
2193                 VID_Finish();
2194                 return;
2195         }
2196
2197         rendertime1 = Sys_DoubleTime();
2198
2199         conwidth = bound(160, vid_conwidth.value, 32768);
2200         conheight = bound(90, vid_conheight.value, 24576);
2201         if (vid_conwidth.value != conwidth)
2202                 Cvar_SetValue("vid_conwidth", conwidth);
2203         if (vid_conheight.value != conheight)
2204                 Cvar_SetValue("vid_conheight", conheight);
2205
2206         // bound viewsize
2207         if (scr_viewsize.value < 30)
2208                 Cvar_Set ("viewsize","30");
2209         if (scr_viewsize.value > 120)
2210                 Cvar_Set ("viewsize","120");
2211
2212         // bound field of view
2213         if (scr_fov.value < 1)
2214                 Cvar_Set ("fov","1");
2215         if (scr_fov.value > 170)
2216                 Cvar_Set ("fov","170");
2217
2218         // intermission is always full screen
2219         if (cl.intermission)
2220                 sb_lines = 0;
2221         else
2222         {
2223                 if (scr_viewsize.value >= 120)
2224                         sb_lines = 0;           // no status bar at all
2225                 else if (scr_viewsize.value >= 110)
2226                         sb_lines = 24;          // no inventory
2227                 else
2228                         sb_lines = 24+16+8;
2229         }
2230
2231         r_refdef.view.colormask[0] = 1;
2232         r_refdef.view.colormask[1] = 1;
2233         r_refdef.view.colormask[2] = 1;
2234
2235         SCR_SetUpToDrawConsole();
2236
2237         if (qglDrawBuffer)
2238         {
2239                 CHECKGLERROR
2240                 qglDrawBuffer(GL_BACK);CHECKGLERROR
2241                 // set dithering mode
2242                 if (gl_dither.integer)
2243                 {
2244                         qglEnable(GL_DITHER);CHECKGLERROR
2245                 }
2246                 else
2247                 {
2248                         qglDisable(GL_DITHER);CHECKGLERROR
2249                 }
2250         }
2251
2252         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2253         R_SetViewport(&viewport);
2254         GL_ScissorTest(false);
2255         GL_ColorMask(1,1,1,1);
2256         GL_DepthMask(true);
2257
2258         R_ClearScreen(false);
2259         r_refdef.view.clear = false;
2260         r_refdef.view.isoverlay = false;
2261         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2262         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2263
2264         if (qglPolygonStipple)
2265         {
2266                 if(scr_stipple.integer)
2267                 {
2268                         GLubyte stipple[128];
2269                         int i, s, width, parts;
2270                         static int frame = 0;
2271                         ++frame;
2272         
2273                         s = scr_stipple.integer;
2274                         parts = (s & 007);
2275                         width = (s & 070) >> 3;
2276         
2277                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2278                         for(i = 0; i < 128; ++i)
2279                         {
2280                                 int line = i/4;
2281                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2282                         }
2283                         qglPolygonStipple(stipple);CHECKGLERROR
2284                 }
2285                 else
2286                 {
2287                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2288                 }
2289         }
2290
2291         if (R_Stereo_Active())
2292         {
2293                 r_stereo_side = 0;
2294
2295                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2296                 {
2297                         r_refdef.view.colormask[0] = 1;
2298                         r_refdef.view.colormask[1] = 0;
2299                         r_refdef.view.colormask[2] = 0;
2300                 }
2301
2302                 if (vid.stereobuffer)
2303                         qglDrawBuffer(GL_BACK_RIGHT);
2304
2305                 SCR_DrawScreen();
2306
2307                 r_stereo_side = 1;
2308
2309                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2310                 {
2311                         r_refdef.view.colormask[0] = 0;
2312                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2313                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2314                 }
2315
2316                 if (vid.stereobuffer)
2317                         qglDrawBuffer(GL_BACK_LEFT);
2318
2319                 SCR_DrawScreen();
2320         }
2321         else
2322                 SCR_DrawScreen();
2323
2324         SCR_CaptureVideo();
2325
2326         if (qglFlush)
2327                 qglFlush(); // FIXME: should we really be using qglFlush here?
2328
2329         // quality adjustment according to render time
2330         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2331         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2332                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2333         else
2334                 cl_updatescreen_quality = 1;
2335
2336         if (!vid_activewindow)
2337                 VID_SetMouse(false, false, false);
2338         else if (key_consoleactive)
2339                 VID_SetMouse(vid.fullscreen, false, false);
2340         else if (key_dest == key_menu_grabbed)
2341                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse, true);
2342         else if (key_dest == key_menu)
2343                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse, true);
2344         else
2345                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && cl_prydoncursor.integer <= 0 && (!cls.demoplayback || cl_demo_mousegrab.integer), true);
2346
2347         VID_Finish();
2348 }
2349
2350 void CL_Screen_NewMap(void)
2351 {
2352 }