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