added r_viewfbo and r_viewscale cvars - the former allows use of
[xonotic/darkplaces.git] / cl_screen.c
1
2 #include "quakedef.h"
3 #include "cl_video.h"
4 #include "image.h"
5 #include "jpeg.h"
6 #include "image_png.h"
7 #include "cl_collision.h"
8 #include "libcurl.h"
9 #include "csprogs.h"
10 #include "cap_avi.h"
11 #include "cap_ogg.h"
12
13 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
14 #include "snd_main.h"
15
16 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
17 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
18 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background gfx/conback"};
19 cvar_t scr_conalphafactor = {CVAR_SAVE, "scr_conalphafactor", "1", "opacity of console background gfx/conback relative to scr_conalpha; when 0, gfx/conback is not drawn"};
20 cvar_t scr_conalpha2factor = {CVAR_SAVE, "scr_conalpha2factor", "0", "opacity of console background gfx/conback2 relative to scr_conalpha; when 0, gfx/conback2 is not drawn"};
21 cvar_t scr_conalpha3factor = {CVAR_SAVE, "scr_conalpha3factor", "0", "opacity of console background gfx/conback3 relative to scr_conalpha; when 0, gfx/conback3 is not drawn"};
22 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
23 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
24 cvar_t scr_conscroll_x = {CVAR_SAVE, "scr_conscroll_x", "0", "scroll speed of gfx/conback in x direction"};
25 cvar_t scr_conscroll_y = {CVAR_SAVE, "scr_conscroll_y", "0", "scroll speed of gfx/conback in y direction"};
26 cvar_t scr_conscroll2_x = {CVAR_SAVE, "scr_conscroll2_x", "0", "scroll speed of gfx/conback2 in x direction"};
27 cvar_t scr_conscroll2_y = {CVAR_SAVE, "scr_conscroll2_y", "0", "scroll speed of gfx/conback2 in y direction"};
28 cvar_t scr_conscroll3_x = {CVAR_SAVE, "scr_conscroll3_x", "0", "scroll speed of gfx/conback3 in x direction"};
29 cvar_t scr_conscroll3_y = {CVAR_SAVE, "scr_conscroll3_y", "0", "scroll speed of gfx/conback3 in y direction"};
30 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
31 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
32 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
33 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
34 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
35 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
36 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
37 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
38 cvar_t scr_loadingscreen_scale = {0, "scr_loadingscreen_scale","1", "scale factor of the background"};
39 cvar_t scr_loadingscreen_scale_base = {0, "scr_loadingscreen_scale_base","0", "0 = console pixels, 1 = video pixels"};
40 cvar_t scr_loadingscreen_scale_limit = {0, "scr_loadingscreen_scale_limit","0", "0 = no limit, 1 = until first edge hits screen edge, 2 = until last edge hits screen edge, 3 = until width hits screen width, 4 = until height hits screen height"};
41 cvar_t scr_loadingscreen_count = {0, "scr_loadingscreen_count","1", "number of loading screen files to use randomly (named loading.tga, loading2.tga, loading3.tga, ...)"};
42 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
43 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "the height of the loadingscreen progress bar"};
44 cvar_t scr_infobar_height = {0, "scr_infobar_height", "8", "the height of the infobar items"};
45 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
46 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
47 cvar_t vid_pixelheight = {CVAR_SAVE, "vid_pixelheight", "1", "adjusts vertical field of vision to account for non-square pixels (1280x1024 on a CRT monitor for example)"};
48 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
49 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
50 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
51 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
52 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
53 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
54 // 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 cvar_t vid_touchscreen_outlinealpha = {0, "vid_touchscreen_outlinealpha", "0.25", "opacity of touchscreen area outlines"};
85 cvar_t vid_touchscreen_overlayalpha = {0, "vid_touchscreen_overlayalpha", "0.25", "opacity of touchscreen area icons"};
86
87 extern cvar_t v_glslgamma;
88 extern cvar_t sbar_info_pos;
89 extern cvar_t r_fog_clear;
90 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
91
92 int jpeg_supported = false;
93
94 qboolean        scr_initialized;                // ready to draw
95
96 float           scr_con_current;
97 int                     scr_con_margin_bottom;
98
99 extern int      con_vislines;
100
101 static void SCR_ScreenShot_f (void);
102 static void R_Envmap_f (void);
103
104 // backend
105 void R_ClearScreen(qboolean fogcolor);
106
107 /*
108 ===============================================================================
109
110 CENTER PRINTING
111
112 ===============================================================================
113 */
114
115 char            scr_centerstring[MAX_INPUTLINE];
116 float           scr_centertime_start;   // for slow victory printing
117 float           scr_centertime_off;
118 int                     scr_center_lines;
119 int                     scr_erase_lines;
120 int                     scr_erase_center;
121 char        scr_infobarstring[MAX_INPUTLINE];
122 float       scr_infobartime_off;
123
124 /*
125 ==============
126 SCR_CenterPrint
127
128 Called for important messages that should stay in the center of the screen
129 for a few moments
130 ==============
131 */
132 void SCR_CenterPrint(const char *str)
133 {
134         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
135         scr_centertime_off = scr_centertime.value;
136         scr_centertime_start = cl.time;
137
138 // count the number of lines for centering
139         scr_center_lines = 1;
140         while (*str)
141         {
142                 if (*str == '\n')
143                         scr_center_lines++;
144                 str++;
145         }
146 }
147
148
149 void SCR_DrawCenterString (void)
150 {
151         char    *start;
152         int             x, y;
153         int             remaining;
154         int             color;
155
156         if(cl.intermission == 2) // in finale,
157                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
158                         return;
159
160         if(scr_centertime.value <= 0 && !cl.intermission)
161                 return;
162
163 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
164         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
165                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
166         else
167                 remaining = 9999;
168
169         scr_erase_center = 0;
170         start = scr_centerstring;
171
172         if (remaining < 1)
173                 return;
174
175         if (scr_center_lines <= 4)
176                 y = (int)(vid_conheight.integer*0.35);
177         else
178                 y = 48;
179
180         color = -1;
181         do
182         {
183                 // scan the number of characters on the line, not counting color codes
184                 char *newline = strchr(start, '\n');
185                 int l = newline ? (newline - start) : (int)strlen(start);
186                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
187
188                 x = (int) (vid_conwidth.integer - width)/2;
189                 if (l > 0)
190                 {
191                         if (remaining < l)
192                                 l = remaining;
193                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
194                         remaining -= l;
195                         if (remaining <= 0)
196                                 return;
197                 }
198                 y += 8;
199
200                 if (!newline)
201                         break;
202                 start = newline + 1; // skip the \n
203         } while (1);
204 }
205
206 void SCR_CheckDrawCenterString (void)
207 {
208         if (scr_center_lines > scr_erase_lines)
209                 scr_erase_lines = scr_center_lines;
210
211         if (cl.time > cl.oldtime)
212                 scr_centertime_off -= cl.time - cl.oldtime;
213
214         // don't draw if this is a normal stats-screen intermission,
215         // only if it is not an intermission, or a finale intermission
216         if (cl.intermission == 1)
217                 return;
218         if (scr_centertime_off <= 0 && !cl.intermission)
219                 return;
220         if (key_dest != key_game)
221                 return;
222
223         SCR_DrawCenterString ();
224 }
225
226 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
227 {
228         netgraphitem_t *graph;
229         int j, x, y, numlines;
230         int totalbytes = 0;
231         char bytesstring[128];
232         float g[NETGRAPH_PACKETS][6];
233         float *a;
234         float *b;
235         float vertex3f[(NETGRAPH_PACKETS+2)*5*2*3];
236         float color4f[(NETGRAPH_PACKETS+2)*5*2*4];
237         float *v;
238         float *c;
239         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
240         // draw the bar graph itself
241         // advance the packet counter because it is the latest packet column being
242         // built up and should come last
243         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
244         memset(g, 0, sizeof(g));
245         for (j = 0;j < NETGRAPH_PACKETS;j++)
246         {
247                 graph = netgraph + j;
248                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
249                 g[j][1] = 1.0f;
250                 g[j][2] = 1.0f;
251                 g[j][3] = 1.0f;
252                 g[j][4] = 1.0f;
253                 g[j][5] = 1.0f;
254                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
255                         g[j][1] = 0.00f;
256                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
257                         g[j][2] = 0.96f;
258                 else
259                 {
260                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
261                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
262                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
263                         // count bytes in the last second
264                         if (realtime - graph->time < 1.0f)
265                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
266                 }
267                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
268                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
269                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
270                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
271                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
272         }
273         // render the lines for the graph
274         numlines = 0;
275         v = vertex3f;
276         c = color4f;
277         for (j = 0;j < NETGRAPH_PACKETS;j++)
278         {
279                 a = g[j];
280                 b = g[(j+1)%NETGRAPH_PACKETS];
281                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
282                         continue;
283                 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;
284                 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;
285
286                 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;
287                 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;
288
289                 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;
290                 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;
291
292                 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;
293                 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;
294
295                 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;
296                 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;
297
298                 numlines += 5;
299         }
300         if (numlines > 0)
301                 DrawQ_Lines(0.0f, numlines, vertex3f, color4f, 0);
302         x = graphx;
303         y = graphy + graphheight;
304         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
305         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
306         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
307 }
308
309 /*
310 ==============
311 SCR_DrawNetGraph
312 ==============
313 */
314 void SCR_DrawNetGraph (void)
315 {
316         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
317         float graphscale;
318         netconn_t *c;
319
320         if (cls.state != ca_connected)
321                 return;
322         if (!cls.netcon)
323                 return;
324         if (!shownetgraph.integer)
325                 return;
326
327         separator1 = 2;
328         separator2 = 4;
329         textsize = 8;
330         graphwidth = 120;
331         graphheight = 70;
332         graphscale = 1.0f / 1500.0f;
333
334         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
335         netgraphsperrow = max(netgraphsperrow, 1);
336
337         index = 0;
338         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
339         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
340         c = cls.netcon;
341         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
342         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
343         index++;
344
345         if (sv.active && shownetgraph.integer >= 2)
346         {
347                 for (i = 0;i < svs.maxclients;i++)
348                 {
349                         c = svs.clients[i].netconnection;
350                         if (!c)
351                                 continue;
352                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
353                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
354                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
355                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
356                         index++;
357                 }
358         }
359 }
360
361 /*
362 ==============
363 SCR_DrawTurtle
364 ==============
365 */
366 void SCR_DrawTurtle (void)
367 {
368         static int      count;
369
370         if (cls.state != ca_connected)
371                 return;
372
373         if (!scr_showturtle.integer)
374                 return;
375
376         if (cl.realframetime < 0.1)
377         {
378                 count = 0;
379                 return;
380         }
381
382         count++;
383         if (count < 3)
384                 return;
385
386         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
387 }
388
389 /*
390 ==============
391 SCR_DrawNet
392 ==============
393 */
394 void SCR_DrawNet (void)
395 {
396         if (cls.state != ca_connected)
397                 return;
398         if (realtime - cl.last_received_message < 0.3)
399                 return;
400         if (cls.demoplayback)
401                 return;
402
403         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
404 }
405
406 /*
407 ==============
408 DrawPause
409 ==============
410 */
411 void SCR_DrawPause (void)
412 {
413         cachepic_t      *pic;
414
415         if (cls.state != ca_connected)
416                 return;
417
418         if (!scr_showpause.integer)             // turn off for screenshots
419                 return;
420
421         if (!cl.paused)
422                 return;
423
424         pic = Draw_CachePic ("gfx/pause");
425         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
426 }
427
428 /*
429 ==============
430 SCR_DrawBrand
431 ==============
432 */
433 void SCR_DrawBrand (void)
434 {
435         cachepic_t      *pic;
436         float           x, y;
437
438         if (!scr_showbrand.value)
439                 return;
440
441         pic = Draw_CachePic ("gfx/brand");
442
443         switch ((int)scr_showbrand.value)
444         {
445         case 1: // bottom left
446                 x = 0;
447                 y = vid_conheight.integer - pic->height;
448                 break;
449         case 2: // bottom centre
450                 x = (vid_conwidth.integer - pic->width) / 2;
451                 y = vid_conheight.integer - pic->height;
452                 break;
453         case 3: // bottom right
454                 x = vid_conwidth.integer - pic->width;
455                 y = vid_conheight.integer - pic->height;
456                 break;
457         case 4: // centre right
458                 x = vid_conwidth.integer - pic->width;
459                 y = (vid_conheight.integer - pic->height) / 2;
460                 break;
461         case 5: // top right
462                 x = vid_conwidth.integer - pic->width;
463                 y = 0;
464                 break;
465         case 6: // top centre
466                 x = (vid_conwidth.integer - pic->width) / 2;
467                 y = 0;
468                 break;
469         case 7: // top left
470                 x = 0;
471                 y = 0;
472                 break;
473         case 8: // centre left
474                 x = 0;
475                 y = (vid_conheight.integer - pic->height) / 2;
476                 break;
477         default:
478                 return;
479         }
480
481         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
482 }
483
484 /*
485 ==============
486 SCR_DrawQWDownload
487 ==============
488 */
489 static int SCR_DrawQWDownload(int offset)
490 {
491         // sync with SCR_InfobarHeight
492         int len;
493         float x, y;
494         float size = scr_infobar_height.value;
495         char temp[256];
496
497         if (!cls.qw_downloadname[0])
498         {
499                 cls.qw_downloadspeedrate = 0;
500                 cls.qw_downloadspeedtime = realtime;
501                 cls.qw_downloadspeedcount = 0;
502                 return 0;
503         }
504         if (realtime >= cls.qw_downloadspeedtime + 1)
505         {
506                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
507                 cls.qw_downloadspeedtime = realtime;
508                 cls.qw_downloadspeedcount = 0;
509         }
510         if (cls.protocol == PROTOCOL_QUAKEWORLD)
511                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
512         else
513                 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);
514         len = (int)strlen(temp);
515         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
516         y = vid_conheight.integer - size - offset;
517         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
518         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
519         return size;
520 }
521 /*
522 ==============
523 SCR_DrawInfobarString
524 ==============
525 */
526 static int SCR_DrawInfobarString(int offset)
527 {
528         int len;
529         float x, y;
530         float size = scr_infobar_height.value;
531
532         len = (int)strlen(scr_infobarstring);
533         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
534         y = vid_conheight.integer - size - offset;
535         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
536         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
537         return size;
538 }
539
540 /*
541 ==============
542 SCR_DrawCurlDownload
543 ==============
544 */
545 static int SCR_DrawCurlDownload(int offset)
546 {
547         // sync with SCR_InfobarHeight
548         int len;
549         int nDownloads;
550         int i;
551         float x, y;
552         float size = scr_infobar_height.value;
553         Curl_downloadinfo_t *downinfo;
554         char temp[256];
555         const char *addinfo;
556
557         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
558         if(!downinfo)
559                 return 0;
560
561         y = vid_conheight.integer - size * nDownloads - offset;
562
563         if(addinfo)
564         {
565                 len = (int)strlen(addinfo);
566                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
567                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
568                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
569         }
570
571         for(i = 0; i != nDownloads; ++i)
572         {
573                 if(downinfo[i].queued)
574                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s", downinfo[i].filename);
575                 else if(downinfo[i].progress <= 0)
576                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s", downinfo[i].filename, downinfo[i].speed / 1024.0);
577                 else
578                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
579                 len = (int)strlen(temp);
580                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
581                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
582                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
583         }
584
585         Z_Free(downinfo);
586
587         return size * (nDownloads + (addinfo ? 1 : 0));
588 }
589
590 /*
591 ==============
592 SCR_DrawInfobar
593 ==============
594 */
595 static void SCR_DrawInfobar(void)
596 {
597         int offset = 0;
598         offset += SCR_DrawQWDownload(offset);
599         offset += SCR_DrawCurlDownload(offset);
600         if(scr_infobartime_off > 0)
601                 offset += SCR_DrawInfobarString(offset);
602         if(offset != scr_con_margin_bottom)
603                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
604 }
605
606 static int SCR_InfobarHeight(void)
607 {
608         int offset = 0;
609         Curl_downloadinfo_t *downinfo;
610         const char *addinfo;
611         int nDownloads;
612
613         if (cl.time > cl.oldtime)
614                 scr_infobartime_off -= cl.time - cl.oldtime;
615         if(scr_infobartime_off > 0)
616                 offset += 8;
617         if(cls.qw_downloadname[0])
618                 offset += 8;
619
620         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
621         if(downinfo)
622         {
623                 offset += (nDownloads + (addinfo ? 1 : 0));
624                 Z_Free(downinfo);
625         }
626         offset *= scr_infobar_height.value;
627
628         return offset;
629 }
630
631 /*
632 ==============
633 SCR_InfoBar_f
634 ==============
635 */
636 void SCR_InfoBar_f(void)
637 {
638         if(Cmd_Argc() == 3)
639         {
640                 scr_infobartime_off = atof(Cmd_Argv(1));
641                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
642         }
643         else
644         {
645                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
646         }
647 }
648 //=============================================================================
649
650 /*
651 ==================
652 SCR_SetUpToDrawConsole
653 ==================
654 */
655 void SCR_SetUpToDrawConsole (void)
656 {
657         // lines of console to display
658         float conlines;
659         static int framecounter = 0;
660
661         Con_CheckResize ();
662
663         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
664         {
665                 if (framecounter >= 2)
666                         MR_ToggleMenu(1);
667                 else
668                         framecounter++;
669         }
670         else
671                 framecounter = 0;
672
673         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
674                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
675         else
676                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
677
678 // decide on the height of the console
679         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
680                 conlines = vid_conheight.integer/2;     // half screen
681         else
682                 conlines = 0;                           // none visible
683
684         scr_con_current = conlines;
685 }
686
687 /*
688 ==================
689 SCR_DrawConsole
690 ==================
691 */
692 void SCR_DrawConsole (void)
693 {
694         scr_con_margin_bottom = SCR_InfobarHeight();
695         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
696         {
697                 // full screen
698                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
699         }
700         else if (scr_con_current)
701                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
702         else
703                 con_vislines = 0;
704 }
705
706 /*
707 ===============
708 SCR_BeginLoadingPlaque
709
710 ================
711 */
712 void SCR_BeginLoadingPlaque (void)
713 {
714         // save console log up to this point to log_file if it was set by configs
715         Log_Start();
716
717         Host_StartVideo();
718         SCR_UpdateLoadingScreen(false);
719 }
720
721 //=============================================================================
722
723 char r_speeds_timestring[4096];
724 int speedstringcount, r_timereport_active;
725 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
726 int r_speeds_longestitem = 0;
727
728 void R_TimeReport(const char *desc)
729 {
730         char tempbuf[256];
731         int length;
732         int t;
733
734         if (r_speeds.integer < 2 || !r_timereport_active)
735                 return;
736
737         CHECKGLERROR
738         if (r_speeds.integer == 2 && qglFinish)
739                 qglFinish();
740         CHECKGLERROR
741         r_timereport_temp = r_timereport_current;
742         r_timereport_current = Sys_DoubleTime();
743         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
744
745         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
746         length = min(length, (int)sizeof(tempbuf) - 1);
747         if (r_speeds_longestitem < length)
748                 r_speeds_longestitem = length;
749         for (;length < r_speeds_longestitem;length++)
750                 tempbuf[length] = ' ';
751         tempbuf[length] = 0;
752
753         if (speedstringcount + length > (vid_conwidth.integer / 8))
754         {
755                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
756                 speedstringcount = 0;
757         }
758         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
759         speedstringcount += length;
760 }
761
762 void R_TimeReport_BeginFrame(void)
763 {
764         speedstringcount = 0;
765         r_speeds_timestring[0] = 0;
766         r_timereport_active = false;
767         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
768
769         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
770         {
771                 r_timereport_active = true;
772                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
773         }
774 }
775
776 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
777 {
778         int i, triangles = 0;
779         for (i = 0;i < leaf->numleafsurfaces;i++)
780                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
781         return triangles;
782 }
783
784 void R_TimeReport_EndFrame(void)
785 {
786         int i, j, lines, y;
787         cl_locnode_t *loc;
788         char string[1024+4096];
789         mleaf_t *viewleaf;
790
791         string[0] = 0;
792         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
793         {
794                 // put the location name in the r_speeds display as it greatly helps
795                 // when creating loc files
796                 loc = CL_Locs_FindNearest(cl.movement_origin);
797                 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;
798                 dpsnprintf(string, sizeof(string),
799 "%s%s\n"
800 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
801 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
802 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
803 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
804 "%7i lightmap updates (%7i pixels)%8iKB/%8iKB framedata\n"
805 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
806 "bouncegrid:%4i lights%6i particles%6i traces%6i hits%6i splats%6i bounces\n"
807 "collision cache efficiency:%6i cached%6i traced%6ianimated\n"
808 "%6i draws%8i vertices%8i triangles bloompixels%8i copied%8i drawn\n"
809 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
810 "%s"
811 , loc ? "Location: " : "", loc ? loc->name : ""
812 , 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]
813 , 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
814 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
815 , 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)
816 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels, (r_refdef.stats.framedatacurrent+512) / 1024, (r_refdef.stats.framedatasize+512)/1024
817 , 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
818 , r_refdef.stats.bouncegrid_lights, r_refdef.stats.bouncegrid_particles, r_refdef.stats.bouncegrid_traces, r_refdef.stats.bouncegrid_hits, r_refdef.stats.bouncegrid_splats, r_refdef.stats.bouncegrid_bounces
819 , r_refdef.stats.collisioncache_cached, r_refdef.stats.collisioncache_traced, r_refdef.stats.collisioncache_animated
820 , 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
821 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
822 , r_speeds_timestring);
823
824                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
825
826                 speedstringcount = 0;
827                 r_speeds_timestring[0] = 0;
828                 r_timereport_active = false;
829
830                 if (r_speeds.integer >= 2)
831                 {
832                         r_timereport_active = true;
833                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
834                 }
835         }
836
837         if (string[0])
838         {
839                 if (string[strlen(string)-1] == '\n')
840                         string[strlen(string)-1] = 0;
841                 lines = 1;
842                 for (i = 0;string[i];i++)
843                         if (string[i] == '\n')
844                                 lines++;
845                 y = vid_conheight.integer - sb_lines - lines * 8;
846                 i = j = 0;
847                 r_draw2d_force = true;
848                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
849                 while (string[i])
850                 {
851                         j = i;
852                         while (string[i] && string[i] != '\n')
853                                 i++;
854                         if (i - j > 0)
855                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
856                         if (string[i] == '\n')
857                                 i++;
858                         y += 8;
859                 }
860                 r_draw2d_force = false;
861         }
862 }
863
864 /*
865 =================
866 SCR_SizeUp_f
867
868 Keybinding command
869 =================
870 */
871 void SCR_SizeUp_f (void)
872 {
873         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
874 }
875
876
877 /*
878 =================
879 SCR_SizeDown_f
880
881 Keybinding command
882 =================
883 */
884 void SCR_SizeDown_f (void)
885 {
886         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
887 }
888
889 void SCR_CaptureVideo_EndVideo(void);
890 void CL_Screen_Shutdown(void)
891 {
892         SCR_CaptureVideo_EndVideo();
893 }
894
895 void CL_Screen_Init(void)
896 {
897         Cvar_RegisterVariable (&scr_fov);
898         Cvar_RegisterVariable (&scr_viewsize);
899         Cvar_RegisterVariable (&scr_conalpha);
900         Cvar_RegisterVariable (&scr_conalphafactor);
901         Cvar_RegisterVariable (&scr_conalpha2factor);
902         Cvar_RegisterVariable (&scr_conalpha3factor);
903         Cvar_RegisterVariable (&scr_conscroll_x);
904         Cvar_RegisterVariable (&scr_conscroll_y);
905         Cvar_RegisterVariable (&scr_conscroll2_x);
906         Cvar_RegisterVariable (&scr_conscroll2_y);
907         Cvar_RegisterVariable (&scr_conscroll3_x);
908         Cvar_RegisterVariable (&scr_conscroll3_y);
909         Cvar_RegisterVariable (&scr_conbrightness);
910         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
911         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
912         Cvar_RegisterVariable (&scr_loadingscreen_background);
913         Cvar_RegisterVariable (&scr_loadingscreen_scale);
914         Cvar_RegisterVariable (&scr_loadingscreen_scale_base);
915         Cvar_RegisterVariable (&scr_loadingscreen_scale_limit);
916         Cvar_RegisterVariable (&scr_loadingscreen_count);
917         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
918         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
919         Cvar_RegisterVariable (&scr_infobar_height);
920         Cvar_RegisterVariable (&scr_showram);
921         Cvar_RegisterVariable (&scr_showturtle);
922         Cvar_RegisterVariable (&scr_showpause);
923         Cvar_RegisterVariable (&scr_showbrand);
924         Cvar_RegisterVariable (&scr_centertime);
925         Cvar_RegisterVariable (&scr_printspeed);
926         Cvar_RegisterVariable (&vid_conwidth);
927         Cvar_RegisterVariable (&vid_conheight);
928         Cvar_RegisterVariable (&vid_pixelheight);
929         Cvar_RegisterVariable (&scr_screenshot_jpeg);
930         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
931         Cvar_RegisterVariable (&scr_screenshot_png);
932         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
933         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
934         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
935         Cvar_RegisterVariable (&scr_screenshot_alpha);
936         Cvar_RegisterVariable (&cl_capturevideo);
937         Cvar_RegisterVariable (&cl_capturevideo_printfps);
938         Cvar_RegisterVariable (&cl_capturevideo_width);
939         Cvar_RegisterVariable (&cl_capturevideo_height);
940         Cvar_RegisterVariable (&cl_capturevideo_realtime);
941         Cvar_RegisterVariable (&cl_capturevideo_fps);
942         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
943         Cvar_RegisterVariable (&cl_capturevideo_number);
944         Cvar_RegisterVariable (&cl_capturevideo_ogg);
945         Cvar_RegisterVariable (&cl_capturevideo_framestep);
946         Cvar_RegisterVariable (&r_letterbox);
947         Cvar_RegisterVariable(&r_stereo_separation);
948         Cvar_RegisterVariable(&r_stereo_sidebyside);
949         Cvar_RegisterVariable(&r_stereo_horizontal);
950         Cvar_RegisterVariable(&r_stereo_vertical);
951         Cvar_RegisterVariable(&r_stereo_redblue);
952         Cvar_RegisterVariable(&r_stereo_redcyan);
953         Cvar_RegisterVariable(&r_stereo_redgreen);
954         Cvar_RegisterVariable(&r_stereo_angle);
955         Cvar_RegisterVariable(&scr_zoomwindow);
956         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
957         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
958         Cvar_RegisterVariable(&scr_zoomwindow_fov);
959         Cvar_RegisterVariable(&scr_stipple);
960         Cvar_RegisterVariable(&scr_refresh);
961         Cvar_RegisterVariable(&shownetgraph);
962         Cvar_RegisterVariable(&cl_demo_mousegrab);
963         Cvar_RegisterVariable(&timedemo_screenshotframelist);
964         Cvar_RegisterVariable(&vid_touchscreen_outlinealpha);
965         Cvar_RegisterVariable(&vid_touchscreen_overlayalpha);
966
967         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
968         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
969         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
970         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
971         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
972
973         SCR_CaptureVideo_Ogg_Init();
974
975         scr_initialized = true;
976 }
977
978 /*
979 ==================
980 SCR_ScreenShot_f
981 ==================
982 */
983 void SCR_ScreenShot_f (void)
984 {
985         static int shotnumber;
986         static char old_prefix_name[MAX_QPATH];
987         char prefix_name[MAX_QPATH];
988         char filename[MAX_QPATH];
989         unsigned char *buffer1;
990         unsigned char *buffer2;
991         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
992         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
993
994         if (Cmd_Argc() == 2)
995         {
996                 const char *ext;
997                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
998                 ext = FS_FileExtension(filename);
999                 if (!strcasecmp(ext, "jpg"))
1000                 {
1001                         jpeg = true;
1002                         png = false;
1003                 }
1004                 else if (!strcasecmp(ext, "tga"))
1005                 {
1006                         jpeg = false;
1007                         png = false;
1008                 }
1009                 else if (!strcasecmp(ext, "png"))
1010                 {
1011                         jpeg = false;
1012                         png = true;
1013                 }
1014                 else
1015                 {
1016                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
1017                         return;
1018                 }
1019         }
1020         else
1021         {
1022                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1023                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1024                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
1025                 else
1026                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
1027
1028                 if (strcmp(old_prefix_name, prefix_name))
1029                 {
1030                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
1031                         shotnumber = 0;
1032                 }
1033
1034                 // find a file name to save it to
1035                 for (;shotnumber < 1000000;shotnumber++)
1036                         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)))
1037                                 break;
1038                 if (shotnumber >= 1000000)
1039                 {
1040                         Con_Print("Couldn't create the image file\n");
1041                         return;
1042                 }
1043
1044                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
1045         }
1046
1047         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1048         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
1049
1050         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer != 0))
1051                 Con_Printf("Wrote %s\n", filename);
1052         else
1053         {
1054                 Con_Printf("Unable to write %s\n", filename);
1055                 if(jpeg || png)
1056                 {
1057                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer != 0))
1058                         {
1059                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1060                                 Con_Printf("Wrote %s\n", filename);
1061                         }
1062                 }
1063         }
1064
1065         Mem_Free (buffer1);
1066         Mem_Free (buffer2);
1067
1068         shotnumber++;
1069 }
1070
1071 void SCR_CaptureVideo_BeginVideo(void)
1072 {
1073         double r, g, b;
1074         unsigned int i;
1075         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1076         if (cls.capturevideo.active)
1077                 return;
1078         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1079         // soundrate is figured out on the first SoundFrame
1080
1081         if(width == 0 && height != 0)
1082                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1083         if(width != 0 && height == 0)
1084                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1085
1086         if(width < 2 || width > vid.width) // can't scale up
1087                 width = vid.width;
1088         if(height < 2 || height > vid.height) // can't scale up
1089                 height = vid.height;
1090
1091         // ensure it's all even; if not, scale down a little
1092         if(width % 1)
1093                 --width;
1094         if(height % 1)
1095                 --height;
1096
1097         cls.capturevideo.width = width;
1098         cls.capturevideo.height = height;
1099         cls.capturevideo.active = true;
1100         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1101         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1102         cls.capturevideo.soundrate = S_GetSoundRate();
1103         cls.capturevideo.soundchannels = S_GetSoundChannels();
1104         cls.capturevideo.startrealtime = realtime;
1105         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1106         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1107         cls.capturevideo.soundsampleframe = 0;
1108         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1109         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1110         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1111         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1112         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1113
1114         /*
1115         for (i = 0;i < 256;i++)
1116         {
1117                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1118                 cls.capturevideo.rgbgammatable[0][i] = j;
1119                 cls.capturevideo.rgbgammatable[1][i] = j;
1120                 cls.capturevideo.rgbgammatable[2][i] = j;
1121         }
1122         */
1123 /*
1124 R = Y + 1.4075 * (Cr - 128);
1125 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1126 B = Y + 1.7790 * (Cb - 128);
1127 Y = R *  .299 + G *  .587 + B *  .114;
1128 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1129 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1130 */
1131
1132         if(WANT_SCREENSHOT_HWGAMMA)
1133         {
1134                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1135         }
1136         else
1137         {
1138                 // identity gamma table
1139                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1140                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1141                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1142         }
1143         if(scr_screenshot_gammaboost.value != 1)
1144         {
1145                 double igamma = 1 / scr_screenshot_gammaboost.value;
1146                 for (i = 0;i < 256 * 3;i++)
1147                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1148         }
1149
1150         for (i = 0;i < 256;i++)
1151         {
1152                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1153                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1154                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1155                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1156                 // Y weights from RGB
1157                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1158                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1159                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1160                 // Cb weights from RGB
1161                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1162                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1163                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1164                 // Cr weights from RGB
1165                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1166                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1167                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1168                 // range reduction of YCbCr to valid signal range
1169                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1170                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1171                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1172         }
1173
1174         if (cl_capturevideo_ogg.integer)
1175         {
1176                 if(SCR_CaptureVideo_Ogg_Available())
1177                 {
1178                         SCR_CaptureVideo_Ogg_BeginVideo();
1179                         return;
1180                 }
1181                 else
1182                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1183         }
1184
1185         SCR_CaptureVideo_Avi_BeginVideo();
1186 }
1187
1188 void SCR_CaptureVideo_EndVideo(void)
1189 {
1190         if (!cls.capturevideo.active)
1191                 return;
1192         cls.capturevideo.active = false;
1193
1194         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);
1195
1196         if (cls.capturevideo.videofile)
1197         {
1198                 cls.capturevideo.endvideo();
1199         }
1200
1201         if (cls.capturevideo.screenbuffer)
1202         {
1203                 Mem_Free (cls.capturevideo.screenbuffer);
1204                 cls.capturevideo.screenbuffer = NULL;
1205         }
1206
1207         if (cls.capturevideo.outbuffer)
1208         {
1209                 Mem_Free (cls.capturevideo.outbuffer);
1210                 cls.capturevideo.outbuffer = NULL;
1211         }
1212
1213         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1214 }
1215
1216 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1217 {
1218         // TODO optimize this function
1219
1220         int x, y;
1221         float area;
1222
1223         // memcpy is faster than me
1224         if(inw == outw && inh == outh)
1225         {
1226                 memcpy(out, in, 4 * inw * inh);
1227                 return;
1228         }
1229
1230         // otherwise: a box filter
1231         area = (float)outw * (float)outh / (float)inw / (float)inh;
1232         for(y = 0; y < outh; ++y)
1233         {
1234                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1235                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1236                 for(x = 0; x < outw; ++x)
1237                 {
1238                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1239                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1240                         float r = 0, g = 0, b = 0, alpha = 0;
1241                         int xx, yy;
1242
1243                         for(yy = iny0_i; yy < iny1_i; ++yy)
1244                         {
1245                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1246                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1247                                 {
1248                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1249                                         r += a * in[4*(xx + inw * yy)+0];
1250                                         g += a * in[4*(xx + inw * yy)+1];
1251                                         b += a * in[4*(xx + inw * yy)+2];
1252                                         alpha += a * in[4*(xx + inw * yy)+3];
1253                                 }
1254                         }
1255
1256                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1257                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1258                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1259                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1260                 }
1261         }
1262 }
1263
1264 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1265 {
1266         int x = 0, y = 0;
1267         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1268
1269         if(newframestepframenum == cls.capturevideo.framestepframe)
1270                 return;
1271
1272         CHECKGLERROR
1273         // speed is critical here, so do saving as directly as possible
1274
1275         GL_ReadPixelsBGRA(x, y, vid.width, vid.height, cls.capturevideo.screenbuffer);
1276
1277         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1278
1279         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1280         cls.capturevideo.framestepframe = newframestepframenum;
1281
1282         if(cl_capturevideo_printfps.integer)
1283         {
1284                 char buf[80];
1285                 double t = Sys_DoubleTime();
1286                 if(t > cls.capturevideo.lastfpstime + 1)
1287                 {
1288                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1289                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1290                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1291                         Sys_PrintToTerminal(buf);
1292                         cls.capturevideo.lastfpstime = t;
1293                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1294                 }
1295         }
1296 }
1297
1298 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1299 {
1300         cls.capturevideo.soundsampleframe += length;
1301         cls.capturevideo.soundframe(paintbuffer, length);
1302 }
1303
1304 void SCR_CaptureVideo(void)
1305 {
1306         int newframenum;
1307         if (cl_capturevideo.integer)
1308         {
1309                 if (!cls.capturevideo.active)
1310                         SCR_CaptureVideo_BeginVideo();
1311                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1312                 {
1313                         Con_Printf("You can not change the video framerate while recording a video.\n");
1314                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1315                 }
1316                 // for AVI saving we have to make sure that sound is saved before video
1317                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1318                         return;
1319                 if (cls.capturevideo.realtime)
1320                 {
1321                         // preserve sound sync by duplicating frames when running slow
1322                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1323                 }
1324                 else
1325                         newframenum = cls.capturevideo.frame + 1;
1326                 // if falling behind more than one second, stop
1327                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1328                 {
1329                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1330                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1331                         SCR_CaptureVideo_EndVideo();
1332                         return;
1333                 }
1334                 // write frames
1335                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1336                 cls.capturevideo.frame = newframenum;
1337                 if (cls.capturevideo.error)
1338                 {
1339                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1340                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1341                         SCR_CaptureVideo_EndVideo();
1342                 }
1343         }
1344         else if (cls.capturevideo.active)
1345                 SCR_CaptureVideo_EndVideo();
1346 }
1347
1348 /*
1349 ===============
1350 R_Envmap_f
1351
1352 Grab six views for environment mapping tests
1353 ===============
1354 */
1355 struct envmapinfo_s
1356 {
1357         float angles[3];
1358         const char *name;
1359         qboolean flipx, flipy, flipdiagonaly;
1360 }
1361 envmapinfo[12] =
1362 {
1363         {{  0,   0, 0}, "rt", false, false, false},
1364         {{  0, 270, 0}, "ft", false, false, false},
1365         {{  0, 180, 0}, "lf", false, false, false},
1366         {{  0,  90, 0}, "bk", false, false, false},
1367         {{-90, 180, 0}, "up",  true,  true, false},
1368         {{ 90, 180, 0}, "dn",  true,  true, false},
1369
1370         {{  0,   0, 0}, "px",  true,  true,  true},
1371         {{  0,  90, 0}, "py", false,  true, false},
1372         {{  0, 180, 0}, "nx", false, false,  true},
1373         {{  0, 270, 0}, "ny",  true, false, false},
1374         {{-90, 180, 0}, "pz", false, false,  true},
1375         {{ 90, 180, 0}, "nz", false, false,  true}
1376 };
1377
1378 static void R_Envmap_f (void)
1379 {
1380         int j, size;
1381         char filename[MAX_QPATH], basename[MAX_QPATH];
1382         unsigned char *buffer1;
1383         unsigned char *buffer2;
1384
1385         if (Cmd_Argc() != 3)
1386         {
1387                 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");
1388                 return;
1389         }
1390
1391         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1392         size = atoi(Cmd_Argv(2));
1393         if (size != 128 && size != 256 && size != 512 && size != 1024)
1394         {
1395                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1396                 return;
1397         }
1398         if (size > vid.width || size > vid.height)
1399         {
1400                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1401                 return;
1402         }
1403
1404         r_refdef.envmap = true;
1405
1406         R_UpdateVariables();
1407
1408         r_refdef.view.x = 0;
1409         r_refdef.view.y = 0;
1410         r_refdef.view.z = 0;
1411         r_refdef.view.width = size;
1412         r_refdef.view.height = size;
1413         r_refdef.view.depth = 1;
1414         r_refdef.view.useperspective = true;
1415         r_refdef.view.isoverlay = false;
1416
1417         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1418         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1419
1420         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1421         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1422
1423         for (j = 0;j < 12;j++)
1424         {
1425                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1426                 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);
1427                 r_refdef.view.quality = 1;
1428                 r_refdef.view.clear = true;
1429                 R_Mesh_Start();
1430                 R_RenderView();
1431                 R_Mesh_Finish();
1432                 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);
1433         }
1434
1435         Mem_Free (buffer1);
1436         Mem_Free (buffer2);
1437
1438         r_refdef.envmap = false;
1439 }
1440
1441 //=============================================================================
1442
1443 void SHOWLMP_decodehide(void)
1444 {
1445         int i;
1446         char *lmplabel;
1447         lmplabel = MSG_ReadString();
1448         for (i = 0;i < cl.num_showlmps;i++)
1449                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1450                 {
1451                         cl.showlmps[i].isactive = false;
1452                         return;
1453                 }
1454 }
1455
1456 void SHOWLMP_decodeshow(void)
1457 {
1458         int k;
1459         char lmplabel[256], picname[256];
1460         float x, y;
1461         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1462         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1463         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1464         {
1465                 x = MSG_ReadByte();
1466                 y = MSG_ReadByte();
1467         }
1468         else
1469         {
1470                 x = MSG_ReadShort();
1471                 y = MSG_ReadShort();
1472         }
1473         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1474         {
1475                 showlmp_t *oldshowlmps = cl.showlmps;
1476                 cl.max_showlmps += 16;
1477                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1478                 if (cl.num_showlmps)
1479                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1480                 if (oldshowlmps)
1481                         Mem_Free(oldshowlmps);
1482         }
1483         for (k = 0;k < cl.max_showlmps;k++)
1484                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1485                         break;
1486         if (k == cl.max_showlmps)
1487                 for (k = 0;k < cl.max_showlmps;k++)
1488                         if (!cl.showlmps[k].isactive)
1489                                 break;
1490         cl.showlmps[k].isactive = true;
1491         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1492         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1493         cl.showlmps[k].x = x;
1494         cl.showlmps[k].y = y;
1495         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1496 }
1497
1498 void SHOWLMP_drawall(void)
1499 {
1500         int i;
1501         for (i = 0;i < cl.num_showlmps;i++)
1502                 if (cl.showlmps[i].isactive)
1503                         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);
1504 }
1505
1506 /*
1507 ==============================================================================
1508
1509                                                 SCREEN SHOTS
1510
1511 ==============================================================================
1512 */
1513
1514 // buffer1: 4*w*h
1515 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1516 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)
1517 {
1518         int     indices[4] = {0,1,2,3}; // BGRA
1519         qboolean ret;
1520
1521         GL_ReadPixelsBGRA(x, y, width, height, buffer1);
1522
1523         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1524         {
1525                 int i;
1526                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1527                 unsigned short vidramp[256 * 3];
1528                 if(WANT_SCREENSHOT_HWGAMMA)
1529                 {
1530                         VID_BuildGammaTables(&vidramp[0], 256);
1531                 }
1532                 else
1533                 {
1534                         // identity gamma table
1535                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1536                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1537                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1538                 }
1539                 if(scr_screenshot_gammaboost.value != 1)
1540                 {
1541                         for (i = 0;i < 256 * 3;i++)
1542                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1543                 }
1544                 for (i = 0;i < width*height*4;i += 4)
1545                 {
1546                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1547                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1548                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1549                         // A
1550                 }
1551         }
1552
1553         if(keep_alpha && !jpeg)
1554         {
1555                 if(!png)
1556                         flipy = !flipy; // TGA: not preflipped
1557                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1558                 if (png)
1559                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1560                 else
1561                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1562         }
1563         else
1564         {
1565                 if(jpeg)
1566                 {
1567                         indices[0] = 2;
1568                         indices[2] = 0; // RGB
1569                 }
1570                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1571                 if (jpeg)
1572                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1573                 else if (png)
1574                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1575                 else
1576                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1577         }
1578
1579         return ret;
1580 }
1581
1582 //=============================================================================
1583
1584 int scr_numtouchscreenareas;
1585 scr_touchscreenarea_t scr_touchscreenareas[16];
1586
1587 static void SCR_DrawTouchscreenOverlay(void)
1588 {
1589         int i;
1590         scr_touchscreenarea_t *a;
1591         cachepic_t *pic;
1592         for (i = 0, a = scr_touchscreenareas;i < scr_numtouchscreenareas;i++, a++)
1593         {
1594                 if (vid_touchscreen_outlinealpha.value > 0 && a->rect[0] >= 0 && a->rect[1] >= 0 && a->rect[2] >= 4 && a->rect[3] >= 4)
1595                 {
1596                         DrawQ_Fill(a->rect[0] +              2, a->rect[1]                 , a->rect[2] - 4,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1597                         DrawQ_Fill(a->rect[0] +              1, a->rect[1] +              1, a->rect[2] - 2,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1598                         DrawQ_Fill(a->rect[0]                 , a->rect[1] +              2,          2    , a->rect[3] - 2, 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1599                         DrawQ_Fill(a->rect[0] + a->rect[2] - 2, a->rect[1] +              2,          2    , a->rect[3] - 2, 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1600                         DrawQ_Fill(a->rect[0] +              1, a->rect[1] + a->rect[3] - 2, a->rect[2] - 2,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1601                         DrawQ_Fill(a->rect[0] +              2, a->rect[1] + a->rect[3] - 1, a->rect[2] - 4,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
1602                 }
1603                 pic = a->pic ? Draw_CachePic(a->pic) : NULL;
1604                 if (pic && pic->tex != r_texture_notexture)
1605                         DrawQ_Pic(a->rect[0], a->rect[1], Draw_CachePic(a->pic), a->rect[2], a->rect[3], 1, 1, 1, vid_touchscreen_overlayalpha.value * (0.5f + 0.5f * a->active), 0);
1606         }
1607 }
1608
1609 extern void R_UpdateFogColor(void);
1610 void R_ClearScreen(qboolean fogcolor)
1611 {
1612         float clearcolor[4];
1613         // clear to black
1614         Vector4Clear(clearcolor);
1615         if (fogcolor)
1616         {
1617                 R_UpdateFogColor();
1618                 if (r_fog_clear.integer)
1619                         VectorCopy(r_refdef.fogcolor, clearcolor);
1620         }
1621         // clear depth is 1.0
1622         // LordHavoc: we use a stencil centered around 128 instead of 0,
1623         // to avoid clamping interfering with strange shadow volume
1624         // drawing orders
1625         // clear the screen
1626         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 128);
1627 }
1628
1629 qboolean CL_VM_UpdateView (void);
1630 void SCR_DrawConsole (void);
1631 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1632
1633 int r_stereo_side;
1634
1635 extern void Sbar_ShowFPS(void);
1636 void SCR_DrawScreen (void)
1637 {
1638         Draw_Frame();
1639
1640         R_Mesh_Start();
1641
1642         R_UpdateVariables();
1643
1644         // Quake uses clockwise winding, so these are swapped
1645         r_refdef.view.cullface_front = GL_BACK;
1646         r_refdef.view.cullface_back = GL_FRONT;
1647
1648         if (cls.signon == SIGNONS)
1649         {
1650                 float size;
1651
1652                 size = scr_viewsize.value * (1.0 / 100.0);
1653                 size = min(size, 1);
1654
1655                 if (r_stereo_sidebyside.integer)
1656                 {
1657                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1658                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1659                         r_refdef.view.depth = 1;
1660                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1661                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1662                         r_refdef.view.z = 0;
1663                         if (r_stereo_side)
1664                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1665                 }
1666                 else if (r_stereo_horizontal.integer)
1667                 {
1668                         r_refdef.view.width = (int)(vid.width * size / 2);
1669                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1670                         r_refdef.view.depth = 1;
1671                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.0)/2);
1672                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1673                         r_refdef.view.z = 0;
1674                         if (r_stereo_side)
1675                                 r_refdef.view.x += (int)(r_refdef.view.width);
1676                 }
1677                 else if (r_stereo_vertical.integer)
1678                 {
1679                         r_refdef.view.width = (int)(vid.width * size);
1680                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100) / 2);
1681                         r_refdef.view.depth = 1;
1682                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1683                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height * 2.0)/2);
1684                         r_refdef.view.z = 0;
1685                         if (r_stereo_side)
1686                                 r_refdef.view.y += (int)(r_refdef.view.height);
1687                 }
1688                 else
1689                 {
1690                         r_refdef.view.width = (int)(vid.width * size);
1691                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1692                         r_refdef.view.depth = 1;
1693                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1694                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1695                         r_refdef.view.z = 0;
1696                 }
1697
1698                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1699                 // LordHavoc: this is designed to produce widescreen fov values
1700                 // when the screen is wider than 4/3 width/height aspect, to do
1701                 // this it simply assumes the requested fov is the vertical fov
1702                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1703                 // higher/lower according to the ratio
1704                 r_refdef.view.useperspective = true;
1705                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1706                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1707
1708                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1709                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1710
1711                 if(!CL_VM_UpdateView())
1712                         R_RenderView();
1713
1714                 if (scr_zoomwindow.integer)
1715                 {
1716                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1717                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1718                         r_refdef.view.width = (int)(vid.width * sizex);
1719                         r_refdef.view.height = (int)(vid.height * sizey);
1720                         r_refdef.view.depth = 1;
1721                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1722                         r_refdef.view.y = 0;
1723                         r_refdef.view.z = 0;
1724
1725                         r_refdef.view.useperspective = true;
1726                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1727                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1728
1729                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1730                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1731
1732                         if(!CL_VM_UpdateView())
1733                                 R_RenderView();
1734                 }
1735         }
1736
1737         if (!r_stereo_sidebyside.integer && !r_stereo_horizontal.integer && !r_stereo_vertical.integer)
1738         {
1739                 r_refdef.view.width = vid.width;
1740                 r_refdef.view.height = vid.height;
1741                 r_refdef.view.depth = 1;
1742                 r_refdef.view.x = 0;
1743                 r_refdef.view.y = 0;
1744                 r_refdef.view.z = 0;
1745                 r_refdef.view.useperspective = false;
1746         }
1747
1748         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1749         {
1750                 const char *t;
1751                 int framenum;
1752                 t = timedemo_screenshotframelist.string;
1753                 while (*t)
1754                 {
1755                         while (*t == ' ')
1756                                 t++;
1757                         if (!*t)
1758                                 break;
1759                         framenum = atof(t);
1760                         if (framenum == cls.td_frames)
1761                                 break;
1762                         while (*t && *t != ' ')
1763                                 t++;
1764                 }
1765                 if (*t)
1766                 {
1767                         // we need to take a screenshot of this frame...
1768                         char filename[MAX_QPATH];
1769                         unsigned char *buffer1;
1770                         unsigned char *buffer2;
1771                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1772                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1773                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1774                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1775                         Mem_Free(buffer1);
1776                         Mem_Free(buffer2);
1777                 }
1778         }
1779
1780         // draw 2D stuff
1781         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1782                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1783                         Con_DrawNotify ();      // only draw notify in game
1784
1785         if (cls.signon == SIGNONS)
1786         {
1787                 SCR_DrawNet ();
1788                 SCR_DrawTurtle ();
1789                 SCR_DrawPause ();
1790                 if (!r_letterbox.value)
1791                         Sbar_Draw();
1792                 Sbar_ShowFPS();
1793                 SHOWLMP_drawall();
1794                 SCR_CheckDrawCenterString();
1795         }
1796         SCR_DrawNetGraph ();
1797         MR_Draw();
1798         CL_DrawVideo();
1799         R_Shadow_EditLights_DrawSelectedLightProperties();
1800
1801         SCR_DrawConsole();
1802
1803         SCR_DrawBrand();
1804
1805         SCR_DrawInfobar();
1806
1807         SCR_DrawTouchscreenOverlay();
1808
1809         if (r_timereport_active)
1810                 R_TimeReport("2d");
1811
1812         if (cls.signon == SIGNONS)
1813         {
1814                 R_TimeReport_EndFrame();
1815                 R_TimeReport_BeginFrame();
1816         }
1817
1818         DrawQ_Finish();
1819
1820         R_DrawGamma();
1821
1822         R_Mesh_Finish();
1823 }
1824
1825 typedef struct loadingscreenstack_s
1826 {
1827         struct loadingscreenstack_s *prev;
1828         char msg[MAX_QPATH];
1829         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1830         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1831         float relative_completion; // 0 .. 1
1832 }
1833 loadingscreenstack_t;
1834 static loadingscreenstack_t *loadingscreenstack = NULL;
1835 static qboolean loadingscreendone = false;
1836 static qboolean loadingscreencleared = false;
1837 static float loadingscreenheight = 0;
1838 rtexture_t *loadingscreentexture = NULL;
1839 static float loadingscreentexture_vertex3f[12];
1840 static float loadingscreentexture_texcoord2f[8];
1841 static int loadingscreenpic_number = 0;
1842
1843 static void SCR_ClearLoadingScreenTexture(void)
1844 {
1845         if(loadingscreentexture)
1846                 R_FreeTexture(loadingscreentexture);
1847         loadingscreentexture = NULL;
1848 }
1849
1850 extern rtexturepool_t *r_main_texturepool;
1851 static void SCR_SetLoadingScreenTexture(void)
1852 {
1853         int w, h;
1854         float loadingscreentexture_w;
1855         float loadingscreentexture_h;
1856
1857         SCR_ClearLoadingScreenTexture();
1858
1859         if (vid.support.arb_texture_non_power_of_two)
1860         {
1861                 w = vid.width; h = vid.height;
1862                 loadingscreentexture_w = loadingscreentexture_h = 1;
1863         }
1864         else
1865         {
1866                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1867                 loadingscreentexture_w = vid.width / (float) w;
1868                 loadingscreentexture_h = vid.height / (float) h;
1869         }
1870
1871         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
1872         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1873
1874         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1875         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1876         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1877         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1878         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1879         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1880         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1881         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1882         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1883 }
1884
1885 void SCR_UpdateLoadingScreenIfShown(void)
1886 {
1887         if(loadingscreendone)
1888                 SCR_UpdateLoadingScreen(loadingscreencleared);
1889 }
1890
1891 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1892 {
1893         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1894         s->prev = loadingscreenstack;
1895         loadingscreenstack = s;
1896
1897         strlcpy(s->msg, msg, sizeof(s->msg));
1898         s->relative_completion = 0;
1899
1900         if(s->prev)
1901         {
1902                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1903                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1904                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1905                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1906         }
1907         else
1908         {
1909                 s->absolute_loading_amount_min = 0;
1910                 s->absolute_loading_amount_len = 1;
1911         }
1912
1913         if(redraw)
1914                 SCR_UpdateLoadingScreenIfShown();
1915 }
1916
1917 void SCR_PopLoadingScreen (qboolean redraw)
1918 {
1919         loadingscreenstack_t *s = loadingscreenstack;
1920
1921         if(!s)
1922         {
1923                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1924                 return;
1925         }
1926
1927         loadingscreenstack = s->prev;
1928         if(s->prev)
1929                 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;
1930         Z_Free(s);
1931
1932         if(redraw)
1933                 SCR_UpdateLoadingScreenIfShown();
1934 }
1935
1936 void SCR_ClearLoadingScreen (qboolean redraw)
1937 {
1938         while(loadingscreenstack)
1939                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1940 }
1941
1942 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1943 {
1944         float x;
1945         size_t len;
1946         float total;
1947
1948         total = 0;
1949 #if 0
1950         if(s)
1951         {
1952                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1953                 y -= total;
1954                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1955                 {
1956                         len = strlen(s->msg);
1957                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1958                         y -= size;
1959                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1960                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1961                         total += size;
1962                 }
1963         }
1964 #else
1965         if(s)
1966         {
1967                 len = strlen(s->msg);
1968                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1969                 y -= size;
1970                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1971                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1972                 total += size;
1973         }
1974 #endif
1975         return total;
1976 }
1977
1978 static void SCR_DrawLoadingStack(void)
1979 {
1980         float verts[12];
1981         float colors[16];
1982
1983         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1984         if(loadingscreenstack)
1985         {
1986                 // height = 32; // sorry, using the actual one is ugly
1987                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1988                 GL_DepthRange(0, 1);
1989                 GL_PolygonOffset(0, 0);
1990                 GL_DepthTest(false);
1991 //              R_Mesh_ResetTextureState();
1992                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1993                 verts[0] = verts[9] = 0;
1994                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1995                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1996                 verts[7] = verts[10] = vid_conheight.integer;
1997                 
1998 #if _MSC_VER >= 1400
1999 #define sscanf sscanf_s
2000 #endif
2001                 //                                        ^^^^^^^^^^ blue component
2002                 //                              ^^^^^^ bottom row
2003                 //          ^^^^^^^^^^^^ alpha is always on
2004                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
2005                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
2006                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
2007                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
2008
2009                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
2010                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
2011                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2012
2013                 // make sure everything is cleared, including the progress indicator
2014                 if(loadingscreenheight < 8)
2015                         loadingscreenheight = 8;
2016         }
2017 }
2018
2019 static cachepic_t *loadingscreenpic;
2020 static float loadingscreenpic_vertex3f[12];
2021 static float loadingscreenpic_texcoord2f[8];
2022
2023 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
2024 {
2025         r_viewport_t viewport;
2026         float x, y, w, h, sw, sh, f;
2027         // release mouse grab while loading
2028         if (!vid.fullscreen)
2029                 VID_SetMouse(false, false, false);
2030 //      CHECKGLERROR
2031         r_refdef.draw2dstage = true;
2032         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2033         R_Mesh_ResetRenderTargets();
2034         R_SetViewport(&viewport);
2035         GL_ColorMask(1,1,1,1);
2036         // when starting up a new video mode, make sure the screen is cleared to black
2037         if (clear || loadingscreentexture)
2038                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
2039         R_Textures_Frame();
2040         R_Mesh_Start();
2041         R_EntityMatrix(&identitymatrix);
2042         // draw the loading plaque
2043         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
2044
2045         w = loadingscreenpic->width;
2046         h = loadingscreenpic->height;
2047
2048         // apply scale
2049         w *= scr_loadingscreen_scale.value;
2050         h *= scr_loadingscreen_scale.value;
2051
2052         // apply scale base
2053         if(scr_loadingscreen_scale_base.integer)
2054         {
2055                 w *= vid_conwidth.integer / (float) vid.width;
2056                 h *= vid_conheight.integer / (float) vid.height;
2057         }
2058
2059         // apply scale limit
2060         sw = w / vid_conwidth.integer;
2061         sh = h / vid_conheight.integer;
2062         f = 1;
2063         switch(scr_loadingscreen_scale_limit.integer)
2064         {
2065                 case 1:
2066                         f = max(sw, sh);
2067                         break;
2068                 case 2:
2069                         f = min(sw, sh);
2070                         break;
2071                 case 3:
2072                         f = sw;
2073                         break;
2074                 case 4:
2075                         f = sh;
2076                         break;
2077         }
2078         if(f > 1)
2079         {
2080                 w /= f;
2081                 h /= f;
2082         }
2083
2084         x = (vid_conwidth.integer - w)/2;
2085         y = (vid_conheight.integer - h)/2;
2086         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
2087         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
2088         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
2089         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + w;
2090         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + h;
2091         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
2092         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
2093         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
2094         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
2095 }
2096
2097 static void SCR_DrawLoadingScreen (qboolean clear)
2098 {
2099         // we only need to draw the image if it isn't already there
2100         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2101         GL_DepthRange(0, 1);
2102         GL_PolygonOffset(0, 0);
2103         GL_DepthTest(false);
2104 //      R_Mesh_ResetTextureState();
2105         GL_Color(1,1,1,1);
2106         if(loadingscreentexture)
2107         {
2108                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
2109                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
2110                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2111         }
2112         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
2113         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
2114         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2115         SCR_DrawLoadingStack();
2116 }
2117
2118 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
2119 {
2120         R_Mesh_Finish();
2121         // refresh
2122         VID_Finish();
2123 }
2124
2125 void SCR_UpdateLoadingScreen (qboolean clear)
2126 {
2127         keydest_t       old_key_dest;
2128         int                     old_key_consoleactive;
2129
2130         // don't do anything if not initialized yet
2131         if (vid_hidden || cls.state == ca_dedicated)
2132                 return;
2133
2134         if(!scr_loadingscreen_background.integer)
2135                 clear = true;
2136         
2137         if(loadingscreendone)
2138                 clear |= loadingscreencleared;
2139
2140         if(!loadingscreendone)
2141                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2142
2143         if(clear)
2144                 SCR_ClearLoadingScreenTexture();
2145         else if(!loadingscreendone)
2146                 SCR_SetLoadingScreenTexture();
2147
2148         if(!loadingscreendone)
2149         {
2150                 loadingscreendone = true;
2151                 loadingscreenheight = 0;
2152         }
2153         loadingscreencleared = clear;
2154
2155         if (qglDrawBuffer)
2156                 qglDrawBuffer(GL_BACK);
2157         SCR_DrawLoadingScreen_SharedSetup(clear);
2158         if (vid.stereobuffer)
2159         {
2160                 qglDrawBuffer(GL_BACK_LEFT);
2161                 SCR_DrawLoadingScreen(clear);
2162                 qglDrawBuffer(GL_BACK_RIGHT);
2163                 SCR_DrawLoadingScreen(clear);
2164         }
2165         else
2166         {
2167                 if (qglDrawBuffer)
2168                         qglDrawBuffer(GL_BACK);
2169                 SCR_DrawLoadingScreen(clear);
2170         }
2171         SCR_DrawLoadingScreen_SharedFinish(clear);
2172
2173         // this goes into the event loop, and should prevent unresponsive cursor on vista
2174         old_key_dest = key_dest;
2175         old_key_consoleactive = key_consoleactive;
2176         key_dest = key_void;
2177         key_consoleactive = false;
2178         Key_EventQueue_Block(); Sys_SendKeyEvents();
2179         key_dest = old_key_dest;
2180         key_consoleactive = old_key_consoleactive;
2181 }
2182
2183 qboolean R_Stereo_ColorMasking(void)
2184 {
2185         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2186 }
2187
2188 qboolean R_Stereo_Active(void)
2189 {
2190         return (vid.stereobuffer || r_stereo_sidebyside.integer || r_stereo_horizontal.integer || r_stereo_vertical.integer || R_Stereo_ColorMasking());
2191 }
2192
2193 extern cvar_t cl_minfps;
2194 extern cvar_t cl_minfps_fade;
2195 extern cvar_t cl_minfps_qualitymax;
2196 extern cvar_t cl_minfps_qualitymin;
2197 extern cvar_t cl_minfps_qualitypower;
2198 extern cvar_t cl_minfps_qualityscale;
2199 static double cl_updatescreen_rendertime = 0;
2200 static double cl_updatescreen_quality = 1;
2201 extern void Sbar_ShowFPS_Update(void);
2202 void CL_UpdateScreen(void)
2203 {
2204         vec3_t vieworigin;
2205         double rendertime1;
2206         float conwidth, conheight;
2207         float f;
2208         r_viewport_t viewport;
2209
2210         Sbar_ShowFPS_Update();
2211
2212         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2213                 return;                         // not initialized yet
2214
2215         loadingscreendone = false;
2216
2217         if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2218         {
2219                 // play a bit with the palette (experimental)
2220                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2221                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2222                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2223                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2224                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2225                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2226                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2227                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2228         }
2229
2230         if (vid_hidden)
2231         {
2232                 VID_Finish();
2233                 return;
2234         }
2235
2236         rendertime1 = Sys_DoubleTime();
2237
2238         conwidth = bound(160, vid_conwidth.value, 32768);
2239         conheight = bound(90, vid_conheight.value, 24576);
2240         if (vid_conwidth.value != conwidth)
2241                 Cvar_SetValue("vid_conwidth", conwidth);
2242         if (vid_conheight.value != conheight)
2243                 Cvar_SetValue("vid_conheight", conheight);
2244
2245         // bound viewsize
2246         if (scr_viewsize.value < 30)
2247                 Cvar_Set ("viewsize","30");
2248         if (scr_viewsize.value > 120)
2249                 Cvar_Set ("viewsize","120");
2250
2251         // bound field of view
2252         if (scr_fov.value < 1)
2253                 Cvar_Set ("fov","1");
2254         if (scr_fov.value > 170)
2255                 Cvar_Set ("fov","170");
2256
2257         // intermission is always full screen
2258         if (cl.intermission)
2259                 sb_lines = 0;
2260         else
2261         {
2262                 if (scr_viewsize.value >= 120)
2263                         sb_lines = 0;           // no status bar at all
2264                 else if (scr_viewsize.value >= 110)
2265                         sb_lines = 24;          // no inventory
2266                 else
2267                         sb_lines = 24+16+8;
2268         }
2269
2270         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, vieworigin);
2271         R_HDR_UpdateIrisAdaptation(vieworigin);
2272
2273         r_refdef.view.colormask[0] = 1;
2274         r_refdef.view.colormask[1] = 1;
2275         r_refdef.view.colormask[2] = 1;
2276
2277         SCR_SetUpToDrawConsole();
2278
2279         if (qglDrawBuffer)
2280         {
2281                 CHECKGLERROR
2282                 qglDrawBuffer(GL_BACK);CHECKGLERROR
2283                 // set dithering mode
2284                 if (gl_dither.integer)
2285                 {
2286                         qglEnable(GL_DITHER);CHECKGLERROR
2287                 }
2288                 else
2289                 {
2290                         qglDisable(GL_DITHER);CHECKGLERROR
2291                 }
2292         }
2293
2294         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2295         R_Mesh_ResetRenderTargets();
2296         R_SetViewport(&viewport);
2297         GL_ScissorTest(false);
2298         GL_ColorMask(1,1,1,1);
2299         GL_DepthMask(true);
2300
2301         R_ClearScreen(false);
2302         r_refdef.view.clear = false;
2303         r_refdef.view.isoverlay = false;
2304         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2305         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2306
2307         if (qglPolygonStipple)
2308         {
2309                 if(scr_stipple.integer)
2310                 {
2311                         GLubyte stipple[128];
2312                         int i, s, width, parts;
2313                         static int frame = 0;
2314                         ++frame;
2315         
2316                         s = scr_stipple.integer;
2317                         parts = (s & 007);
2318                         width = (s & 070) >> 3;
2319         
2320                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2321                         for(i = 0; i < 128; ++i)
2322                         {
2323                                 int line = i/4;
2324                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2325                         }
2326                         qglPolygonStipple(stipple);CHECKGLERROR
2327                 }
2328                 else
2329                 {
2330                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2331                 }
2332         }
2333
2334         if (R_Stereo_Active())
2335         {
2336                 r_stereo_side = 0;
2337
2338                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2339                 {
2340                         r_refdef.view.colormask[0] = 1;
2341                         r_refdef.view.colormask[1] = 0;
2342                         r_refdef.view.colormask[2] = 0;
2343                 }
2344
2345                 if (vid.stereobuffer)
2346                         qglDrawBuffer(GL_BACK_RIGHT);
2347
2348                 SCR_DrawScreen();
2349
2350                 r_stereo_side = 1;
2351
2352                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2353                 {
2354                         r_refdef.view.colormask[0] = 0;
2355                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2356                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2357                 }
2358
2359                 if (vid.stereobuffer)
2360                         qglDrawBuffer(GL_BACK_LEFT);
2361
2362                 SCR_DrawScreen();
2363         }
2364         else
2365                 SCR_DrawScreen();
2366
2367         SCR_CaptureVideo();
2368
2369         if (qglFlush)
2370                 qglFlush(); // FIXME: should we really be using qglFlush here?
2371
2372         // quality adjustment according to render time
2373         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2374         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2375                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2376         else
2377                 cl_updatescreen_quality = 1;
2378
2379         if (!vid_activewindow)
2380                 VID_SetMouse(false, false, false);
2381         else if (key_consoleactive)
2382                 VID_SetMouse(vid.fullscreen, false, false);
2383         else if (key_dest == key_menu_grabbed)
2384                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2385         else if (key_dest == key_menu)
2386                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2387         else
2388                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && cl_prydoncursor.integer <= 0 && (!cls.demoplayback || cl_demo_mousegrab.integer) && !vid_touchscreen.integer, !vid_touchscreen.integer);
2389
2390         VID_Finish();
2391 }
2392
2393 void CL_Screen_NewMap(void)
2394 {
2395 }