added support for dpsoftrast synchronization for fpsscaling
[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 #include "dpsoftrast.h"
13
14 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
15 #include "snd_main.h"
16
17 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
18 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
19 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background gfx/conback"};
20 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"};
21 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"};
22 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"};
23 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
24 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
25 cvar_t scr_conscroll_x = {CVAR_SAVE, "scr_conscroll_x", "0", "scroll speed of gfx/conback in x direction"};
26 cvar_t scr_conscroll_y = {CVAR_SAVE, "scr_conscroll_y", "0", "scroll speed of gfx/conback in y direction"};
27 cvar_t scr_conscroll2_x = {CVAR_SAVE, "scr_conscroll2_x", "0", "scroll speed of gfx/conback2 in x direction"};
28 cvar_t scr_conscroll2_y = {CVAR_SAVE, "scr_conscroll2_y", "0", "scroll speed of gfx/conback2 in y direction"};
29 cvar_t scr_conscroll3_x = {CVAR_SAVE, "scr_conscroll3_x", "0", "scroll speed of gfx/conback3 in x direction"};
30 cvar_t scr_conscroll3_y = {CVAR_SAVE, "scr_conscroll3_y", "0", "scroll speed of gfx/conback3 in y direction"};
31 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
32 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
33 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
34 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
35 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
36 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
37 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
38 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
39 cvar_t scr_loadingscreen_scale = {0, "scr_loadingscreen_scale","1", "scale factor of the background"};
40 cvar_t scr_loadingscreen_scale_base = {0, "scr_loadingscreen_scale_base","0", "0 = console pixels, 1 = video pixels"};
41 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"};
42 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, ...)"};
43 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
44 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "the height of the loadingscreen progress bar"};
45 cvar_t scr_infobar_height = {0, "scr_infobar_height", "8", "the height of the infobar items"};
46 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
47 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
48 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)"};
49 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
50 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
51 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
52 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
53 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
54 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
55 // scr_screenshot_name is defined in fs.c
56 cvar_t cl_capturevideo = {0, "cl_capturevideo", "0", "enables saving of video to a .avi file using uncompressed I420 colorspace and PCM audio, note that scr_screenshot_gammaboost affects the brightness of the output)"};
57 cvar_t cl_capturevideo_printfps = {CVAR_SAVE, "cl_capturevideo_printfps", "1", "prints the frames per second captured in capturevideo (is only written to the log file, not to the console, as that would be visible on the video)"};
58 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
59 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
60 cvar_t cl_capturevideo_realtime = {0, "cl_capturevideo_realtime", "0", "causes video saving to operate in realtime (mostly useful while playing, not while capturing demos), this can produce a much lower quality video due to poor sound/video sync and will abort saving if your machine stalls for over a minute"};
61 cvar_t cl_capturevideo_fps = {CVAR_SAVE, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
62 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
63 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
64 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
65 cvar_t cl_capturevideo_framestep = {CVAR_SAVE, "cl_capturevideo_framestep", "1", "when set to n >= 1, render n frames to capture one (useful for motion blur like effects)"};
66 cvar_t r_letterbox = {0, "r_letterbox", "0", "reduces vertical height of view to simulate a letterboxed movie effect (can be used by mods for cutscenes)"};
67 cvar_t r_stereo_separation = {0, "r_stereo_separation", "4", "separation distance of eyes in the world (negative values are only useful for cross-eyed viewing)"};
68 cvar_t r_stereo_sidebyside = {0, "r_stereo_sidebyside", "0", "side by side views for those who can't afford glasses but can afford eye strain (note: use a negative r_stereo_separation if you want cross-eyed viewing)"};
69 cvar_t r_stereo_horizontal = {0, "r_stereo_horizontal", "0", "aspect skewed side by side view for special decoder/display hardware"};
70 cvar_t r_stereo_vertical = {0, "r_stereo_vertical", "0", "aspect skewed top and bottom view for special decoder/display hardware"};
71 cvar_t r_stereo_redblue = {0, "r_stereo_redblue", "0", "red/blue anaglyph stereo glasses (note: most of these glasses are actually red/cyan, try that one too)"};
72 cvar_t r_stereo_redcyan = {0, "r_stereo_redcyan", "0", "red/cyan anaglyph stereo glasses, the kind given away at drive-in movies like Creature From The Black Lagoon In 3D"};
73 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
74 cvar_t r_stereo_angle = {0, "r_stereo_angle", "0", "separation angle of eyes (makes the views look different directions, as an example, 90 gives a 90 degree separation where the views are 45 degrees left and 45 degrees right)"};
75 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
76 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
77 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
78 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
79 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
80 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
81 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"};
82 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)"};
83 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)"};
84 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"};
85 cvar_t vid_touchscreen_outlinealpha = {0, "vid_touchscreen_outlinealpha", "0.25", "opacity of touchscreen area outlines"};
86 cvar_t vid_touchscreen_overlayalpha = {0, "vid_touchscreen_overlayalpha", "0.25", "opacity of touchscreen area icons"};
87
88 extern cvar_t v_glslgamma;
89 extern cvar_t sbar_info_pos;
90 extern cvar_t r_fog_clear;
91 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
92
93 int jpeg_supported = false;
94
95 qboolean        scr_initialized;                // ready to draw
96
97 float           scr_con_current;
98 int                     scr_con_margin_bottom;
99
100 extern int      con_vislines;
101
102 static void SCR_ScreenShot_f (void);
103 static void R_Envmap_f (void);
104
105 // backend
106 void R_ClearScreen(qboolean fogcolor);
107
108 /*
109 ===============================================================================
110
111 CENTER PRINTING
112
113 ===============================================================================
114 */
115
116 char            scr_centerstring[MAX_INPUTLINE];
117 float           scr_centertime_start;   // for slow victory printing
118 float           scr_centertime_off;
119 int                     scr_center_lines;
120 int                     scr_erase_lines;
121 int                     scr_erase_center;
122 char        scr_infobarstring[MAX_INPUTLINE];
123 float       scr_infobartime_off;
124
125 /*
126 ==============
127 SCR_CenterPrint
128
129 Called for important messages that should stay in the center of the screen
130 for a few moments
131 ==============
132 */
133 void SCR_CenterPrint(const char *str)
134 {
135         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
136         scr_centertime_off = scr_centertime.value;
137         scr_centertime_start = cl.time;
138
139 // count the number of lines for centering
140         scr_center_lines = 1;
141         while (*str)
142         {
143                 if (*str == '\n')
144                         scr_center_lines++;
145                 str++;
146         }
147 }
148
149
150 void SCR_DrawCenterString (void)
151 {
152         char    *start;
153         int             x, y;
154         int             remaining;
155         int             color;
156
157         if(cl.intermission == 2) // in finale,
158                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
159                         return;
160
161         if(scr_centertime.value <= 0 && !cl.intermission)
162                 return;
163
164 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
165         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
166                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
167         else
168                 remaining = 9999;
169
170         scr_erase_center = 0;
171         start = scr_centerstring;
172
173         if (remaining < 1)
174                 return;
175
176         if (scr_center_lines <= 4)
177                 y = (int)(vid_conheight.integer*0.35);
178         else
179                 y = 48;
180
181         color = -1;
182         do
183         {
184                 // scan the number of characters on the line, not counting color codes
185                 char *newline = strchr(start, '\n');
186                 int l = newline ? (newline - start) : (int)strlen(start);
187                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
188
189                 x = (int) (vid_conwidth.integer - width)/2;
190                 if (l > 0)
191                 {
192                         if (remaining < l)
193                                 l = remaining;
194                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
195                         remaining -= l;
196                         if (remaining <= 0)
197                                 return;
198                 }
199                 y += 8;
200
201                 if (!newline)
202                         break;
203                 start = newline + 1; // skip the \n
204         } while (1);
205 }
206
207 void SCR_CheckDrawCenterString (void)
208 {
209         if (scr_center_lines > scr_erase_lines)
210                 scr_erase_lines = scr_center_lines;
211
212         if (cl.time > cl.oldtime)
213                 scr_centertime_off -= cl.time - cl.oldtime;
214
215         // don't draw if this is a normal stats-screen intermission,
216         // only if it is not an intermission, or a finale intermission
217         if (cl.intermission == 1)
218                 return;
219         if (scr_centertime_off <= 0 && !cl.intermission)
220                 return;
221         if (key_dest != key_game)
222                 return;
223
224         SCR_DrawCenterString ();
225 }
226
227 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
228 {
229         netgraphitem_t *graph;
230         int j, x, y, numlines;
231         int totalbytes = 0;
232         char bytesstring[128];
233         float g[NETGRAPH_PACKETS][6];
234         float *a;
235         float *b;
236         float vertex3f[(NETGRAPH_PACKETS+2)*5*2*3];
237         float color4f[(NETGRAPH_PACKETS+2)*5*2*4];
238         float *v;
239         float *c;
240         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
241         // draw the bar graph itself
242         // advance the packet counter because it is the latest packet column being
243         // built up and should come last
244         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
245         memset(g, 0, sizeof(g));
246         for (j = 0;j < NETGRAPH_PACKETS;j++)
247         {
248                 graph = netgraph + j;
249                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
250                 g[j][1] = 1.0f;
251                 g[j][2] = 1.0f;
252                 g[j][3] = 1.0f;
253                 g[j][4] = 1.0f;
254                 g[j][5] = 1.0f;
255                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
256                         g[j][1] = 0.00f;
257                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
258                         g[j][2] = 0.96f;
259                 else
260                 {
261                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
262                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
263                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
264                         // count bytes in the last second
265                         if (realtime - graph->time < 1.0f)
266                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
267                 }
268                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
269                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
270                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
271                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
272                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
273         }
274         // render the lines for the graph
275         numlines = 0;
276         v = vertex3f;
277         c = color4f;
278         for (j = 0;j < NETGRAPH_PACKETS;j++)
279         {
280                 a = g[j];
281                 b = g[(j+1)%NETGRAPH_PACKETS];
282                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
283                         continue;
284                 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;
285                 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;
286
287                 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;
288                 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;
289
290                 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;
291                 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;
292
293                 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;
294                 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;
295
296                 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;
297                 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;
298
299                 numlines += 5;
300         }
301         if (numlines > 0)
302                 DrawQ_Lines(0.0f, numlines, vertex3f, color4f, 0);
303         x = graphx;
304         y = graphy + graphheight;
305         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
306         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
307         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
308 }
309
310 /*
311 ==============
312 SCR_DrawNetGraph
313 ==============
314 */
315 void SCR_DrawNetGraph (void)
316 {
317         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
318         float graphscale;
319         netconn_t *c;
320
321         if (cls.state != ca_connected)
322                 return;
323         if (!cls.netcon)
324                 return;
325         if (!shownetgraph.integer)
326                 return;
327
328         separator1 = 2;
329         separator2 = 4;
330         textsize = 8;
331         graphwidth = 120;
332         graphheight = 70;
333         graphscale = 1.0f / 1500.0f;
334
335         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
336         netgraphsperrow = max(netgraphsperrow, 1);
337
338         index = 0;
339         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
340         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
341         c = cls.netcon;
342         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
343         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
344         index++;
345
346         if (sv.active && shownetgraph.integer >= 2)
347         {
348                 for (i = 0;i < svs.maxclients;i++)
349                 {
350                         c = svs.clients[i].netconnection;
351                         if (!c)
352                                 continue;
353                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
354                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
355                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
356                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
357                         index++;
358                 }
359         }
360 }
361
362 /*
363 ==============
364 SCR_DrawTurtle
365 ==============
366 */
367 void SCR_DrawTurtle (void)
368 {
369         static int      count;
370
371         if (cls.state != ca_connected)
372                 return;
373
374         if (!scr_showturtle.integer)
375                 return;
376
377         if (cl.realframetime < 0.1)
378         {
379                 count = 0;
380                 return;
381         }
382
383         count++;
384         if (count < 3)
385                 return;
386
387         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
388 }
389
390 /*
391 ==============
392 SCR_DrawNet
393 ==============
394 */
395 void SCR_DrawNet (void)
396 {
397         if (cls.state != ca_connected)
398                 return;
399         if (realtime - cl.last_received_message < 0.3)
400                 return;
401         if (cls.demoplayback)
402                 return;
403
404         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
405 }
406
407 /*
408 ==============
409 DrawPause
410 ==============
411 */
412 void SCR_DrawPause (void)
413 {
414         cachepic_t      *pic;
415
416         if (cls.state != ca_connected)
417                 return;
418
419         if (!scr_showpause.integer)             // turn off for screenshots
420                 return;
421
422         if (!cl.paused)
423                 return;
424
425         pic = Draw_CachePic ("gfx/pause");
426         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
427 }
428
429 /*
430 ==============
431 SCR_DrawBrand
432 ==============
433 */
434 void SCR_DrawBrand (void)
435 {
436         cachepic_t      *pic;
437         float           x, y;
438
439         if (!scr_showbrand.value)
440                 return;
441
442         pic = Draw_CachePic ("gfx/brand");
443
444         switch ((int)scr_showbrand.value)
445         {
446         case 1: // bottom left
447                 x = 0;
448                 y = vid_conheight.integer - pic->height;
449                 break;
450         case 2: // bottom centre
451                 x = (vid_conwidth.integer - pic->width) / 2;
452                 y = vid_conheight.integer - pic->height;
453                 break;
454         case 3: // bottom right
455                 x = vid_conwidth.integer - pic->width;
456                 y = vid_conheight.integer - pic->height;
457                 break;
458         case 4: // centre right
459                 x = vid_conwidth.integer - pic->width;
460                 y = (vid_conheight.integer - pic->height) / 2;
461                 break;
462         case 5: // top right
463                 x = vid_conwidth.integer - pic->width;
464                 y = 0;
465                 break;
466         case 6: // top centre
467                 x = (vid_conwidth.integer - pic->width) / 2;
468                 y = 0;
469                 break;
470         case 7: // top left
471                 x = 0;
472                 y = 0;
473                 break;
474         case 8: // centre left
475                 x = 0;
476                 y = (vid_conheight.integer - pic->height) / 2;
477                 break;
478         default:
479                 return;
480         }
481
482         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
483 }
484
485 /*
486 ==============
487 SCR_DrawQWDownload
488 ==============
489 */
490 static int SCR_DrawQWDownload(int offset)
491 {
492         // sync with SCR_InfobarHeight
493         int len;
494         float x, y;
495         float size = scr_infobar_height.value;
496         char temp[256];
497
498         if (!cls.qw_downloadname[0])
499         {
500                 cls.qw_downloadspeedrate = 0;
501                 cls.qw_downloadspeedtime = realtime;
502                 cls.qw_downloadspeedcount = 0;
503                 return 0;
504         }
505         if (realtime >= cls.qw_downloadspeedtime + 1)
506         {
507                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
508                 cls.qw_downloadspeedtime = realtime;
509                 cls.qw_downloadspeedcount = 0;
510         }
511         if (cls.protocol == PROTOCOL_QUAKEWORLD)
512                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
513         else
514                 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);
515         len = (int)strlen(temp);
516         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
517         y = vid_conheight.integer - size - offset;
518         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
519         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
520         return size;
521 }
522 /*
523 ==============
524 SCR_DrawInfobarString
525 ==============
526 */
527 static int SCR_DrawInfobarString(int offset)
528 {
529         int len;
530         float x, y;
531         float size = scr_infobar_height.value;
532
533         len = (int)strlen(scr_infobarstring);
534         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
535         y = vid_conheight.integer - size - offset;
536         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
537         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
538         return size;
539 }
540
541 /*
542 ==============
543 SCR_DrawCurlDownload
544 ==============
545 */
546 static int SCR_DrawCurlDownload(int offset)
547 {
548         // sync with SCR_InfobarHeight
549         int len;
550         int nDownloads;
551         int i;
552         float x, y;
553         float size = scr_infobar_height.value;
554         Curl_downloadinfo_t *downinfo;
555         char temp[256];
556         const char *addinfo;
557
558         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
559         if(!downinfo)
560                 return 0;
561
562         y = vid_conheight.integer - size * nDownloads - offset;
563
564         if(addinfo)
565         {
566                 len = (int)strlen(addinfo);
567                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
568                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
569                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
570         }
571
572         for(i = 0; i != nDownloads; ++i)
573         {
574                 if(downinfo[i].queued)
575                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s", downinfo[i].filename);
576                 else if(downinfo[i].progress <= 0)
577                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s", downinfo[i].filename, downinfo[i].speed / 1024.0);
578                 else
579                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
580                 len = (int)strlen(temp);
581                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
582                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
583                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
584         }
585
586         Z_Free(downinfo);
587
588         return size * (nDownloads + (addinfo ? 1 : 0));
589 }
590
591 /*
592 ==============
593 SCR_DrawInfobar
594 ==============
595 */
596 static void SCR_DrawInfobar(void)
597 {
598         int offset = 0;
599         offset += SCR_DrawQWDownload(offset);
600         offset += SCR_DrawCurlDownload(offset);
601         if(scr_infobartime_off > 0)
602                 offset += SCR_DrawInfobarString(offset);
603         if(offset != scr_con_margin_bottom)
604                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
605 }
606
607 static int SCR_InfobarHeight(void)
608 {
609         int offset = 0;
610         Curl_downloadinfo_t *downinfo;
611         const char *addinfo;
612         int nDownloads;
613
614         if (cl.time > cl.oldtime)
615                 scr_infobartime_off -= cl.time - cl.oldtime;
616         if(scr_infobartime_off > 0)
617                 offset += 8;
618         if(cls.qw_downloadname[0])
619                 offset += 8;
620
621         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
622         if(downinfo)
623         {
624                 offset += (nDownloads + (addinfo ? 1 : 0));
625                 Z_Free(downinfo);
626         }
627         offset *= scr_infobar_height.value;
628
629         return offset;
630 }
631
632 /*
633 ==============
634 SCR_InfoBar_f
635 ==============
636 */
637 void SCR_InfoBar_f(void)
638 {
639         if(Cmd_Argc() == 3)
640         {
641                 scr_infobartime_off = atof(Cmd_Argv(1));
642                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
643         }
644         else
645         {
646                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
647         }
648 }
649 //=============================================================================
650
651 /*
652 ==================
653 SCR_SetUpToDrawConsole
654 ==================
655 */
656 void SCR_SetUpToDrawConsole (void)
657 {
658         // lines of console to display
659         float conlines;
660         static int framecounter = 0;
661
662         Con_CheckResize ();
663
664         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
665         {
666                 if (framecounter >= 2)
667                         MR_ToggleMenu(1);
668                 else
669                         framecounter++;
670         }
671         else
672                 framecounter = 0;
673
674         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
675                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
676         else
677                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
678
679 // decide on the height of the console
680         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
681                 conlines = vid_conheight.integer/2;     // half screen
682         else
683                 conlines = 0;                           // none visible
684
685         scr_con_current = conlines;
686 }
687
688 /*
689 ==================
690 SCR_DrawConsole
691 ==================
692 */
693 void SCR_DrawConsole (void)
694 {
695         scr_con_margin_bottom = SCR_InfobarHeight();
696         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
697         {
698                 // full screen
699                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
700         }
701         else if (scr_con_current)
702                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
703         else
704                 con_vislines = 0;
705 }
706
707 /*
708 ===============
709 SCR_BeginLoadingPlaque
710
711 ================
712 */
713 void SCR_BeginLoadingPlaque (void)
714 {
715         // save console log up to this point to log_file if it was set by configs
716         Log_Start();
717
718         Host_StartVideo();
719         SCR_UpdateLoadingScreen(false);
720 }
721
722 //=============================================================================
723
724 char r_speeds_timestring[4096];
725 int speedstringcount, r_timereport_active;
726 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
727 int r_speeds_longestitem = 0;
728
729 void R_TimeReport(const char *desc)
730 {
731         char tempbuf[256];
732         int length;
733         int t;
734
735         if (r_speeds.integer < 2 || !r_timereport_active)
736                 return;
737
738         CHECKGLERROR
739         if (r_speeds.integer == 2 && qglFinish)
740                 qglFinish();
741         CHECKGLERROR
742         r_timereport_temp = r_timereport_current;
743         r_timereport_current = Sys_DoubleTime();
744         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
745
746         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
747         length = min(length, (int)sizeof(tempbuf) - 1);
748         if (r_speeds_longestitem < length)
749                 r_speeds_longestitem = length;
750         for (;length < r_speeds_longestitem;length++)
751                 tempbuf[length] = ' ';
752         tempbuf[length] = 0;
753
754         if (speedstringcount + length > (vid_conwidth.integer / 8))
755         {
756                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
757                 speedstringcount = 0;
758         }
759         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
760         speedstringcount += length;
761 }
762
763 void R_TimeReport_BeginFrame(void)
764 {
765         speedstringcount = 0;
766         r_speeds_timestring[0] = 0;
767         r_timereport_active = false;
768         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
769
770         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
771         {
772                 r_timereport_active = true;
773                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
774         }
775 }
776
777 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
778 {
779         int i, triangles = 0;
780         for (i = 0;i < leaf->numleafsurfaces;i++)
781                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
782         return triangles;
783 }
784
785 extern cvar_t r_viewscale;
786 extern float viewscalefpsadjusted;
787 void R_TimeReport_EndFrame(void)
788 {
789         int i, j, lines, y;
790         cl_locnode_t *loc;
791         char string[1024+4096];
792         mleaf_t *viewleaf;
793
794         string[0] = 0;
795         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
796         {
797                 // put the location name in the r_speeds display as it greatly helps
798                 // when creating loc files
799                 loc = CL_Locs_FindNearest(cl.movement_origin);
800                 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;
801                 dpsnprintf(string, sizeof(string),
802 "%6.0fus rendertime %3.0f%% viewscale %s%s\n"
803 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
804 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
805 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
806 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
807 "%7i lightmap updates (%7i pixels)%8iKB/%8iKB framedata\n"
808 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
809 "bouncegrid:%4i lights%6i particles%6i traces%6i hits%6i splats%6i bounces\n"
810 "collision cache efficiency:%6i cached%6i traced%6ianimated\n"
811 "%6i draws%8i vertices%8i triangles bloompixels%8i copied%8i drawn\n"
812 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
813 "%s"
814 , r_refdef.lastdrawscreentime * 1000000.0, r_viewscale.value * sqrt(viewscalefpsadjusted) * 100.0f, loc ? "Location: " : "", loc ? loc->name : ""
815 , 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]
816 , 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
817 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
818 , 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)
819 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels, (r_refdef.stats.framedatacurrent+512) / 1024, (r_refdef.stats.framedatasize+512)/1024
820 , 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
821 , 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
822 , r_refdef.stats.collisioncache_cached, r_refdef.stats.collisioncache_traced, r_refdef.stats.collisioncache_animated
823 , 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
824 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
825 , r_speeds_timestring);
826
827                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
828
829                 speedstringcount = 0;
830                 r_speeds_timestring[0] = 0;
831                 r_timereport_active = false;
832
833                 if (r_speeds.integer >= 2)
834                 {
835                         r_timereport_active = true;
836                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
837                 }
838         }
839
840         if (string[0])
841         {
842                 if (string[strlen(string)-1] == '\n')
843                         string[strlen(string)-1] = 0;
844                 lines = 1;
845                 for (i = 0;string[i];i++)
846                         if (string[i] == '\n')
847                                 lines++;
848                 y = vid_conheight.integer - sb_lines - lines * 8;
849                 i = j = 0;
850                 r_draw2d_force = true;
851                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
852                 while (string[i])
853                 {
854                         j = i;
855                         while (string[i] && string[i] != '\n')
856                                 i++;
857                         if (i - j > 0)
858                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
859                         if (string[i] == '\n')
860                                 i++;
861                         y += 8;
862                 }
863                 r_draw2d_force = false;
864         }
865 }
866
867 /*
868 =================
869 SCR_SizeUp_f
870
871 Keybinding command
872 =================
873 */
874 void SCR_SizeUp_f (void)
875 {
876         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
877 }
878
879
880 /*
881 =================
882 SCR_SizeDown_f
883
884 Keybinding command
885 =================
886 */
887 void SCR_SizeDown_f (void)
888 {
889         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
890 }
891
892 void SCR_CaptureVideo_EndVideo(void);
893 void CL_Screen_Shutdown(void)
894 {
895         SCR_CaptureVideo_EndVideo();
896 }
897
898 void CL_Screen_Init(void)
899 {
900         Cvar_RegisterVariable (&scr_fov);
901         Cvar_RegisterVariable (&scr_viewsize);
902         Cvar_RegisterVariable (&scr_conalpha);
903         Cvar_RegisterVariable (&scr_conalphafactor);
904         Cvar_RegisterVariable (&scr_conalpha2factor);
905         Cvar_RegisterVariable (&scr_conalpha3factor);
906         Cvar_RegisterVariable (&scr_conscroll_x);
907         Cvar_RegisterVariable (&scr_conscroll_y);
908         Cvar_RegisterVariable (&scr_conscroll2_x);
909         Cvar_RegisterVariable (&scr_conscroll2_y);
910         Cvar_RegisterVariable (&scr_conscroll3_x);
911         Cvar_RegisterVariable (&scr_conscroll3_y);
912         Cvar_RegisterVariable (&scr_conbrightness);
913         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
914         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
915         Cvar_RegisterVariable (&scr_loadingscreen_background);
916         Cvar_RegisterVariable (&scr_loadingscreen_scale);
917         Cvar_RegisterVariable (&scr_loadingscreen_scale_base);
918         Cvar_RegisterVariable (&scr_loadingscreen_scale_limit);
919         Cvar_RegisterVariable (&scr_loadingscreen_count);
920         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
921         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
922         Cvar_RegisterVariable (&scr_infobar_height);
923         Cvar_RegisterVariable (&scr_showram);
924         Cvar_RegisterVariable (&scr_showturtle);
925         Cvar_RegisterVariable (&scr_showpause);
926         Cvar_RegisterVariable (&scr_showbrand);
927         Cvar_RegisterVariable (&scr_centertime);
928         Cvar_RegisterVariable (&scr_printspeed);
929         Cvar_RegisterVariable (&vid_conwidth);
930         Cvar_RegisterVariable (&vid_conheight);
931         Cvar_RegisterVariable (&vid_pixelheight);
932         Cvar_RegisterVariable (&scr_screenshot_jpeg);
933         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
934         Cvar_RegisterVariable (&scr_screenshot_png);
935         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
936         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
937         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
938         Cvar_RegisterVariable (&scr_screenshot_alpha);
939         Cvar_RegisterVariable (&cl_capturevideo);
940         Cvar_RegisterVariable (&cl_capturevideo_printfps);
941         Cvar_RegisterVariable (&cl_capturevideo_width);
942         Cvar_RegisterVariable (&cl_capturevideo_height);
943         Cvar_RegisterVariable (&cl_capturevideo_realtime);
944         Cvar_RegisterVariable (&cl_capturevideo_fps);
945         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
946         Cvar_RegisterVariable (&cl_capturevideo_number);
947         Cvar_RegisterVariable (&cl_capturevideo_ogg);
948         Cvar_RegisterVariable (&cl_capturevideo_framestep);
949         Cvar_RegisterVariable (&r_letterbox);
950         Cvar_RegisterVariable(&r_stereo_separation);
951         Cvar_RegisterVariable(&r_stereo_sidebyside);
952         Cvar_RegisterVariable(&r_stereo_horizontal);
953         Cvar_RegisterVariable(&r_stereo_vertical);
954         Cvar_RegisterVariable(&r_stereo_redblue);
955         Cvar_RegisterVariable(&r_stereo_redcyan);
956         Cvar_RegisterVariable(&r_stereo_redgreen);
957         Cvar_RegisterVariable(&r_stereo_angle);
958         Cvar_RegisterVariable(&scr_zoomwindow);
959         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
960         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
961         Cvar_RegisterVariable(&scr_zoomwindow_fov);
962         Cvar_RegisterVariable(&scr_stipple);
963         Cvar_RegisterVariable(&scr_refresh);
964         Cvar_RegisterVariable(&shownetgraph);
965         Cvar_RegisterVariable(&cl_demo_mousegrab);
966         Cvar_RegisterVariable(&timedemo_screenshotframelist);
967         Cvar_RegisterVariable(&vid_touchscreen_outlinealpha);
968         Cvar_RegisterVariable(&vid_touchscreen_overlayalpha);
969
970         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
971         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
972         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
973         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
974         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
975
976         SCR_CaptureVideo_Ogg_Init();
977
978         scr_initialized = true;
979 }
980
981 /*
982 ==================
983 SCR_ScreenShot_f
984 ==================
985 */
986 void SCR_ScreenShot_f (void)
987 {
988         static int shotnumber;
989         static char old_prefix_name[MAX_QPATH];
990         char prefix_name[MAX_QPATH];
991         char filename[MAX_QPATH];
992         unsigned char *buffer1;
993         unsigned char *buffer2;
994         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
995         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
996
997         if (Cmd_Argc() == 2)
998         {
999                 const char *ext;
1000                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
1001                 ext = FS_FileExtension(filename);
1002                 if (!strcasecmp(ext, "jpg"))
1003                 {
1004                         jpeg = true;
1005                         png = false;
1006                 }
1007                 else if (!strcasecmp(ext, "tga"))
1008                 {
1009                         jpeg = false;
1010                         png = false;
1011                 }
1012                 else if (!strcasecmp(ext, "png"))
1013                 {
1014                         jpeg = false;
1015                         png = true;
1016                 }
1017                 else
1018                 {
1019                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
1020                         return;
1021                 }
1022         }
1023         else
1024         {
1025                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1026                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1027                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
1028                 else
1029                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
1030
1031                 if (strcmp(old_prefix_name, prefix_name))
1032                 {
1033                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
1034                         shotnumber = 0;
1035                 }
1036
1037                 // find a file name to save it to
1038                 for (;shotnumber < 1000000;shotnumber++)
1039                         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)))
1040                                 break;
1041                 if (shotnumber >= 1000000)
1042                 {
1043                         Con_Print("Couldn't create the image file\n");
1044                         return;
1045                 }
1046
1047                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
1048         }
1049
1050         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1051         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
1052
1053         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer != 0))
1054                 Con_Printf("Wrote %s\n", filename);
1055         else
1056         {
1057                 Con_Printf("Unable to write %s\n", filename);
1058                 if(jpeg || png)
1059                 {
1060                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer != 0))
1061                         {
1062                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1063                                 Con_Printf("Wrote %s\n", filename);
1064                         }
1065                 }
1066         }
1067
1068         Mem_Free (buffer1);
1069         Mem_Free (buffer2);
1070
1071         shotnumber++;
1072 }
1073
1074 void SCR_CaptureVideo_BeginVideo(void)
1075 {
1076         double r, g, b;
1077         unsigned int i;
1078         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1079         if (cls.capturevideo.active)
1080                 return;
1081         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1082         // soundrate is figured out on the first SoundFrame
1083
1084         if(width == 0 && height != 0)
1085                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1086         if(width != 0 && height == 0)
1087                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1088
1089         if(width < 2 || width > vid.width) // can't scale up
1090                 width = vid.width;
1091         if(height < 2 || height > vid.height) // can't scale up
1092                 height = vid.height;
1093
1094         // ensure it's all even; if not, scale down a little
1095         if(width % 1)
1096                 --width;
1097         if(height % 1)
1098                 --height;
1099
1100         cls.capturevideo.width = width;
1101         cls.capturevideo.height = height;
1102         cls.capturevideo.active = true;
1103         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1104         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1105         cls.capturevideo.soundrate = S_GetSoundRate();
1106         cls.capturevideo.soundchannels = S_GetSoundChannels();
1107         cls.capturevideo.startrealtime = realtime;
1108         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1109         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1110         cls.capturevideo.soundsampleframe = 0;
1111         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1112         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1113         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1114         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1115         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1116
1117         /*
1118         for (i = 0;i < 256;i++)
1119         {
1120                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1121                 cls.capturevideo.rgbgammatable[0][i] = j;
1122                 cls.capturevideo.rgbgammatable[1][i] = j;
1123                 cls.capturevideo.rgbgammatable[2][i] = j;
1124         }
1125         */
1126 /*
1127 R = Y + 1.4075 * (Cr - 128);
1128 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1129 B = Y + 1.7790 * (Cb - 128);
1130 Y = R *  .299 + G *  .587 + B *  .114;
1131 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1132 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1133 */
1134
1135         if(WANT_SCREENSHOT_HWGAMMA)
1136         {
1137                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1138         }
1139         else
1140         {
1141                 // identity gamma table
1142                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1143                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1144                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1145         }
1146         if(scr_screenshot_gammaboost.value != 1)
1147         {
1148                 double igamma = 1 / scr_screenshot_gammaboost.value;
1149                 for (i = 0;i < 256 * 3;i++)
1150                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1151         }
1152
1153         for (i = 0;i < 256;i++)
1154         {
1155                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1156                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1157                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1158                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1159                 // Y weights from RGB
1160                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1161                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1162                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1163                 // Cb weights from RGB
1164                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1165                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1166                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1167                 // Cr weights from RGB
1168                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1169                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1170                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1171                 // range reduction of YCbCr to valid signal range
1172                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1173                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1174                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1175         }
1176
1177         if (cl_capturevideo_ogg.integer)
1178         {
1179                 if(SCR_CaptureVideo_Ogg_Available())
1180                 {
1181                         SCR_CaptureVideo_Ogg_BeginVideo();
1182                         return;
1183                 }
1184                 else
1185                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1186         }
1187
1188         SCR_CaptureVideo_Avi_BeginVideo();
1189 }
1190
1191 void SCR_CaptureVideo_EndVideo(void)
1192 {
1193         if (!cls.capturevideo.active)
1194                 return;
1195         cls.capturevideo.active = false;
1196
1197         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);
1198
1199         if (cls.capturevideo.videofile)
1200         {
1201                 cls.capturevideo.endvideo();
1202         }
1203
1204         if (cls.capturevideo.screenbuffer)
1205         {
1206                 Mem_Free (cls.capturevideo.screenbuffer);
1207                 cls.capturevideo.screenbuffer = NULL;
1208         }
1209
1210         if (cls.capturevideo.outbuffer)
1211         {
1212                 Mem_Free (cls.capturevideo.outbuffer);
1213                 cls.capturevideo.outbuffer = NULL;
1214         }
1215
1216         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1217 }
1218
1219 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1220 {
1221         // TODO optimize this function
1222
1223         int x, y;
1224         float area;
1225
1226         // memcpy is faster than me
1227         if(inw == outw && inh == outh)
1228         {
1229                 memcpy(out, in, 4 * inw * inh);
1230                 return;
1231         }
1232
1233         // otherwise: a box filter
1234         area = (float)outw * (float)outh / (float)inw / (float)inh;
1235         for(y = 0; y < outh; ++y)
1236         {
1237                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1238                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1239                 for(x = 0; x < outw; ++x)
1240                 {
1241                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1242                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1243                         float r = 0, g = 0, b = 0, alpha = 0;
1244                         int xx, yy;
1245
1246                         for(yy = iny0_i; yy < iny1_i; ++yy)
1247                         {
1248                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1249                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1250                                 {
1251                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1252                                         r += a * in[4*(xx + inw * yy)+0];
1253                                         g += a * in[4*(xx + inw * yy)+1];
1254                                         b += a * in[4*(xx + inw * yy)+2];
1255                                         alpha += a * in[4*(xx + inw * yy)+3];
1256                                 }
1257                         }
1258
1259                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1260                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1261                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1262                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1263                 }
1264         }
1265 }
1266
1267 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1268 {
1269         int x = 0, y = 0;
1270         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1271
1272         if(newframestepframenum == cls.capturevideo.framestepframe)
1273                 return;
1274
1275         CHECKGLERROR
1276         // speed is critical here, so do saving as directly as possible
1277
1278         GL_ReadPixelsBGRA(x, y, vid.width, vid.height, cls.capturevideo.screenbuffer);
1279
1280         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1281
1282         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1283         cls.capturevideo.framestepframe = newframestepframenum;
1284
1285         if(cl_capturevideo_printfps.integer)
1286         {
1287                 char buf[80];
1288                 double t = Sys_DoubleTime();
1289                 if(t > cls.capturevideo.lastfpstime + 1)
1290                 {
1291                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1292                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1293                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1294                         Sys_PrintToTerminal(buf);
1295                         cls.capturevideo.lastfpstime = t;
1296                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1297                 }
1298         }
1299 }
1300
1301 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1302 {
1303         cls.capturevideo.soundsampleframe += length;
1304         cls.capturevideo.soundframe(paintbuffer, length);
1305 }
1306
1307 void SCR_CaptureVideo(void)
1308 {
1309         int newframenum;
1310         if (cl_capturevideo.integer)
1311         {
1312                 if (!cls.capturevideo.active)
1313                         SCR_CaptureVideo_BeginVideo();
1314                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1315                 {
1316                         Con_Printf("You can not change the video framerate while recording a video.\n");
1317                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1318                 }
1319                 // for AVI saving we have to make sure that sound is saved before video
1320                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1321                         return;
1322                 if (cls.capturevideo.realtime)
1323                 {
1324                         // preserve sound sync by duplicating frames when running slow
1325                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1326                 }
1327                 else
1328                         newframenum = cls.capturevideo.frame + 1;
1329                 // if falling behind more than one second, stop
1330                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1331                 {
1332                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1333                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1334                         SCR_CaptureVideo_EndVideo();
1335                         return;
1336                 }
1337                 // write frames
1338                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1339                 cls.capturevideo.frame = newframenum;
1340                 if (cls.capturevideo.error)
1341                 {
1342                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1343                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1344                         SCR_CaptureVideo_EndVideo();
1345                 }
1346         }
1347         else if (cls.capturevideo.active)
1348                 SCR_CaptureVideo_EndVideo();
1349 }
1350
1351 /*
1352 ===============
1353 R_Envmap_f
1354
1355 Grab six views for environment mapping tests
1356 ===============
1357 */
1358 struct envmapinfo_s
1359 {
1360         float angles[3];
1361         const char *name;
1362         qboolean flipx, flipy, flipdiagonaly;
1363 }
1364 envmapinfo[12] =
1365 {
1366         {{  0,   0, 0}, "rt", false, false, false},
1367         {{  0, 270, 0}, "ft", false, false, false},
1368         {{  0, 180, 0}, "lf", false, false, false},
1369         {{  0,  90, 0}, "bk", false, false, false},
1370         {{-90, 180, 0}, "up",  true,  true, false},
1371         {{ 90, 180, 0}, "dn",  true,  true, false},
1372
1373         {{  0,   0, 0}, "px",  true,  true,  true},
1374         {{  0,  90, 0}, "py", false,  true, false},
1375         {{  0, 180, 0}, "nx", false, false,  true},
1376         {{  0, 270, 0}, "ny",  true, false, false},
1377         {{-90, 180, 0}, "pz", false, false,  true},
1378         {{ 90, 180, 0}, "nz", false, false,  true}
1379 };
1380
1381 static void R_Envmap_f (void)
1382 {
1383         int j, size;
1384         char filename[MAX_QPATH], basename[MAX_QPATH];
1385         unsigned char *buffer1;
1386         unsigned char *buffer2;
1387
1388         if (Cmd_Argc() != 3)
1389         {
1390                 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");
1391                 return;
1392         }
1393
1394         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1395         size = atoi(Cmd_Argv(2));
1396         if (size != 128 && size != 256 && size != 512 && size != 1024)
1397         {
1398                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1399                 return;
1400         }
1401         if (size > vid.width || size > vid.height)
1402         {
1403                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1404                 return;
1405         }
1406
1407         r_refdef.envmap = true;
1408
1409         R_UpdateVariables();
1410
1411         r_refdef.view.x = 0;
1412         r_refdef.view.y = 0;
1413         r_refdef.view.z = 0;
1414         r_refdef.view.width = size;
1415         r_refdef.view.height = size;
1416         r_refdef.view.depth = 1;
1417         r_refdef.view.useperspective = true;
1418         r_refdef.view.isoverlay = false;
1419
1420         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1421         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1422
1423         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1424         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1425
1426         for (j = 0;j < 12;j++)
1427         {
1428                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1429                 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);
1430                 r_refdef.view.quality = 1;
1431                 r_refdef.view.clear = true;
1432                 R_Mesh_Start();
1433                 R_RenderView();
1434                 R_Mesh_Finish();
1435                 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);
1436         }
1437
1438         Mem_Free (buffer1);
1439         Mem_Free (buffer2);
1440
1441         r_refdef.envmap = false;
1442 }
1443
1444 //=============================================================================
1445
1446 void SHOWLMP_decodehide(void)
1447 {
1448         int i;
1449         char *lmplabel;
1450         lmplabel = MSG_ReadString();
1451         for (i = 0;i < cl.num_showlmps;i++)
1452                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1453                 {
1454                         cl.showlmps[i].isactive = false;
1455                         return;
1456                 }
1457 }
1458
1459 void SHOWLMP_decodeshow(void)
1460 {
1461         int k;
1462         char lmplabel[256], picname[256];
1463         float x, y;
1464         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1465         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1466         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1467         {
1468                 x = MSG_ReadByte();
1469                 y = MSG_ReadByte();
1470         }
1471         else
1472         {
1473                 x = MSG_ReadShort();
1474                 y = MSG_ReadShort();
1475         }
1476         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1477         {
1478                 showlmp_t *oldshowlmps = cl.showlmps;
1479                 cl.max_showlmps += 16;
1480                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1481                 if (cl.num_showlmps)
1482                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1483                 if (oldshowlmps)
1484                         Mem_Free(oldshowlmps);
1485         }
1486         for (k = 0;k < cl.max_showlmps;k++)
1487                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1488                         break;
1489         if (k == cl.max_showlmps)
1490                 for (k = 0;k < cl.max_showlmps;k++)
1491                         if (!cl.showlmps[k].isactive)
1492                                 break;
1493         cl.showlmps[k].isactive = true;
1494         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1495         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1496         cl.showlmps[k].x = x;
1497         cl.showlmps[k].y = y;
1498         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1499 }
1500
1501 void SHOWLMP_drawall(void)
1502 {
1503         int i;
1504         for (i = 0;i < cl.num_showlmps;i++)
1505                 if (cl.showlmps[i].isactive)
1506                         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);
1507 }
1508
1509 /*
1510 ==============================================================================
1511
1512                                                 SCREEN SHOTS
1513
1514 ==============================================================================
1515 */
1516
1517 // buffer1: 4*w*h
1518 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1519 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)
1520 {
1521         int     indices[4] = {0,1,2,3}; // BGRA
1522         qboolean ret;
1523
1524         GL_ReadPixelsBGRA(x, y, width, height, buffer1);
1525
1526         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1527         {
1528                 int i;
1529                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1530                 unsigned short vidramp[256 * 3];
1531                 if(WANT_SCREENSHOT_HWGAMMA)
1532                 {
1533                         VID_BuildGammaTables(&vidramp[0], 256);
1534                 }
1535                 else
1536                 {
1537                         // identity gamma table
1538                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1539                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1540                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1541                 }
1542                 if(scr_screenshot_gammaboost.value != 1)
1543                 {
1544                         for (i = 0;i < 256 * 3;i++)
1545                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1546                 }
1547                 for (i = 0;i < width*height*4;i += 4)
1548                 {
1549                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1550                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1551                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1552                         // A
1553                 }
1554         }
1555
1556         if(keep_alpha && !jpeg)
1557         {
1558                 if(!png)
1559                         flipy = !flipy; // TGA: not preflipped
1560                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1561                 if (png)
1562                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1563                 else
1564                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1565         }
1566         else
1567         {
1568                 if(jpeg)
1569                 {
1570                         indices[0] = 2;
1571                         indices[2] = 0; // RGB
1572                 }
1573                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1574                 if (jpeg)
1575                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1576                 else if (png)
1577                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1578                 else
1579                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1580         }
1581
1582         return ret;
1583 }
1584
1585 //=============================================================================
1586
1587 int scr_numtouchscreenareas;
1588 scr_touchscreenarea_t scr_touchscreenareas[16];
1589
1590 static void SCR_DrawTouchscreenOverlay(void)
1591 {
1592         int i;
1593         scr_touchscreenarea_t *a;
1594         cachepic_t *pic;
1595         for (i = 0, a = scr_touchscreenareas;i < scr_numtouchscreenareas;i++, a++)
1596         {
1597                 if (vid_touchscreen_outlinealpha.value > 0 && a->rect[0] >= 0 && a->rect[1] >= 0 && a->rect[2] >= 4 && a->rect[3] >= 4)
1598                 {
1599                         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);
1600                         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);
1601                         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);
1602                         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);
1603                         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);
1604                         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);
1605                 }
1606                 pic = a->pic ? Draw_CachePic(a->pic) : NULL;
1607                 if (pic && pic->tex != r_texture_notexture)
1608                         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);
1609         }
1610 }
1611
1612 extern void R_UpdateFogColor(void);
1613 void R_ClearScreen(qboolean fogcolor)
1614 {
1615         float clearcolor[4];
1616         // clear to black
1617         Vector4Clear(clearcolor);
1618         if (fogcolor)
1619         {
1620                 R_UpdateFogColor();
1621                 if (r_fog_clear.integer)
1622                         VectorCopy(r_refdef.fogcolor, clearcolor);
1623         }
1624         // clear depth is 1.0
1625         // LordHavoc: we use a stencil centered around 128 instead of 0,
1626         // to avoid clamping interfering with strange shadow volume
1627         // drawing orders
1628         // clear the screen
1629         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 128);
1630 }
1631
1632 qboolean CL_VM_UpdateView (void);
1633 void SCR_DrawConsole (void);
1634 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1635
1636 int r_stereo_side;
1637
1638 extern void Sbar_ShowFPS(void);
1639 void SCR_DrawScreen (void)
1640 {
1641         Draw_Frame();
1642
1643         R_Mesh_Start();
1644
1645         R_UpdateVariables();
1646
1647         // Quake uses clockwise winding, so these are swapped
1648         r_refdef.view.cullface_front = GL_BACK;
1649         r_refdef.view.cullface_back = GL_FRONT;
1650
1651         if (cls.signon == SIGNONS)
1652         {
1653                 float size;
1654
1655                 size = scr_viewsize.value * (1.0 / 100.0);
1656                 size = min(size, 1);
1657
1658                 if (r_stereo_sidebyside.integer)
1659                 {
1660                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1661                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1662                         r_refdef.view.depth = 1;
1663                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1664                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1665                         r_refdef.view.z = 0;
1666                         if (r_stereo_side)
1667                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1668                 }
1669                 else if (r_stereo_horizontal.integer)
1670                 {
1671                         r_refdef.view.width = (int)(vid.width * size / 2);
1672                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1673                         r_refdef.view.depth = 1;
1674                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.0)/2);
1675                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1676                         r_refdef.view.z = 0;
1677                         if (r_stereo_side)
1678                                 r_refdef.view.x += (int)(r_refdef.view.width);
1679                 }
1680                 else if (r_stereo_vertical.integer)
1681                 {
1682                         r_refdef.view.width = (int)(vid.width * size);
1683                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100) / 2);
1684                         r_refdef.view.depth = 1;
1685                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1686                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height * 2.0)/2);
1687                         r_refdef.view.z = 0;
1688                         if (r_stereo_side)
1689                                 r_refdef.view.y += (int)(r_refdef.view.height);
1690                 }
1691                 else
1692                 {
1693                         r_refdef.view.width = (int)(vid.width * size);
1694                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1695                         r_refdef.view.depth = 1;
1696                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1697                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1698                         r_refdef.view.z = 0;
1699                 }
1700
1701                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1702                 // LordHavoc: this is designed to produce widescreen fov values
1703                 // when the screen is wider than 4/3 width/height aspect, to do
1704                 // this it simply assumes the requested fov is the vertical fov
1705                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1706                 // higher/lower according to the ratio
1707                 r_refdef.view.useperspective = true;
1708                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1709                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1710
1711                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1712                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1713
1714                 if(!CL_VM_UpdateView())
1715                         R_RenderView();
1716
1717                 if (scr_zoomwindow.integer)
1718                 {
1719                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1720                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1721                         r_refdef.view.width = (int)(vid.width * sizex);
1722                         r_refdef.view.height = (int)(vid.height * sizey);
1723                         r_refdef.view.depth = 1;
1724                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1725                         r_refdef.view.y = 0;
1726                         r_refdef.view.z = 0;
1727
1728                         r_refdef.view.useperspective = true;
1729                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1730                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1731
1732                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1733                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1734
1735                         if(!CL_VM_UpdateView())
1736                                 R_RenderView();
1737                 }
1738         }
1739
1740         if (!r_stereo_sidebyside.integer && !r_stereo_horizontal.integer && !r_stereo_vertical.integer)
1741         {
1742                 r_refdef.view.width = vid.width;
1743                 r_refdef.view.height = vid.height;
1744                 r_refdef.view.depth = 1;
1745                 r_refdef.view.x = 0;
1746                 r_refdef.view.y = 0;
1747                 r_refdef.view.z = 0;
1748                 r_refdef.view.useperspective = false;
1749         }
1750
1751         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1752         {
1753                 const char *t;
1754                 int framenum;
1755                 t = timedemo_screenshotframelist.string;
1756                 while (*t)
1757                 {
1758                         while (*t == ' ')
1759                                 t++;
1760                         if (!*t)
1761                                 break;
1762                         framenum = atof(t);
1763                         if (framenum == cls.td_frames)
1764                                 break;
1765                         while (*t && *t != ' ')
1766                                 t++;
1767                 }
1768                 if (*t)
1769                 {
1770                         // we need to take a screenshot of this frame...
1771                         char filename[MAX_QPATH];
1772                         unsigned char *buffer1;
1773                         unsigned char *buffer2;
1774                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1775                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1776                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1777                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1778                         Mem_Free(buffer1);
1779                         Mem_Free(buffer2);
1780                 }
1781         }
1782
1783         // draw 2D stuff
1784         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1785                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1786                         Con_DrawNotify ();      // only draw notify in game
1787
1788         if (cls.signon == SIGNONS)
1789         {
1790                 SCR_DrawNet ();
1791                 SCR_DrawTurtle ();
1792                 SCR_DrawPause ();
1793                 if (!r_letterbox.value)
1794                         Sbar_Draw();
1795                 Sbar_ShowFPS();
1796                 SHOWLMP_drawall();
1797                 SCR_CheckDrawCenterString();
1798         }
1799         SCR_DrawNetGraph ();
1800         MR_Draw();
1801         CL_DrawVideo();
1802         R_Shadow_EditLights_DrawSelectedLightProperties();
1803
1804         SCR_DrawConsole();
1805
1806         SCR_DrawBrand();
1807
1808         SCR_DrawInfobar();
1809
1810         SCR_DrawTouchscreenOverlay();
1811
1812         if (r_timereport_active)
1813                 R_TimeReport("2d");
1814
1815         if (cls.signon == SIGNONS)
1816         {
1817                 R_TimeReport_EndFrame();
1818                 R_TimeReport_BeginFrame();
1819         }
1820
1821         DrawQ_Finish();
1822
1823         R_DrawGamma();
1824
1825         R_Mesh_Finish();
1826 }
1827
1828 typedef struct loadingscreenstack_s
1829 {
1830         struct loadingscreenstack_s *prev;
1831         char msg[MAX_QPATH];
1832         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1833         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1834         float relative_completion; // 0 .. 1
1835 }
1836 loadingscreenstack_t;
1837 static loadingscreenstack_t *loadingscreenstack = NULL;
1838 static qboolean loadingscreendone = false;
1839 static qboolean loadingscreencleared = false;
1840 static float loadingscreenheight = 0;
1841 rtexture_t *loadingscreentexture = NULL;
1842 static float loadingscreentexture_vertex3f[12];
1843 static float loadingscreentexture_texcoord2f[8];
1844 static int loadingscreenpic_number = 0;
1845
1846 static void SCR_ClearLoadingScreenTexture(void)
1847 {
1848         if(loadingscreentexture)
1849                 R_FreeTexture(loadingscreentexture);
1850         loadingscreentexture = NULL;
1851 }
1852
1853 extern rtexturepool_t *r_main_texturepool;
1854 static void SCR_SetLoadingScreenTexture(void)
1855 {
1856         int w, h;
1857         float loadingscreentexture_w;
1858         float loadingscreentexture_h;
1859
1860         SCR_ClearLoadingScreenTexture();
1861
1862         if (vid.support.arb_texture_non_power_of_two)
1863         {
1864                 w = vid.width; h = vid.height;
1865                 loadingscreentexture_w = loadingscreentexture_h = 1;
1866         }
1867         else
1868         {
1869                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1870                 loadingscreentexture_w = vid.width / (float) w;
1871                 loadingscreentexture_h = vid.height / (float) h;
1872         }
1873
1874         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
1875         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1876
1877         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1878         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1879         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1880         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1881         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1882         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1883         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1884         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1885         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1886 }
1887
1888 void SCR_UpdateLoadingScreenIfShown(void)
1889 {
1890         if(loadingscreendone)
1891                 SCR_UpdateLoadingScreen(loadingscreencleared);
1892 }
1893
1894 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1895 {
1896         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1897         s->prev = loadingscreenstack;
1898         loadingscreenstack = s;
1899
1900         strlcpy(s->msg, msg, sizeof(s->msg));
1901         s->relative_completion = 0;
1902
1903         if(s->prev)
1904         {
1905                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1906                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1907                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1908                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1909         }
1910         else
1911         {
1912                 s->absolute_loading_amount_min = 0;
1913                 s->absolute_loading_amount_len = 1;
1914         }
1915
1916         if(redraw)
1917                 SCR_UpdateLoadingScreenIfShown();
1918 }
1919
1920 void SCR_PopLoadingScreen (qboolean redraw)
1921 {
1922         loadingscreenstack_t *s = loadingscreenstack;
1923
1924         if(!s)
1925         {
1926                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1927                 return;
1928         }
1929
1930         loadingscreenstack = s->prev;
1931         if(s->prev)
1932                 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;
1933         Z_Free(s);
1934
1935         if(redraw)
1936                 SCR_UpdateLoadingScreenIfShown();
1937 }
1938
1939 void SCR_ClearLoadingScreen (qboolean redraw)
1940 {
1941         while(loadingscreenstack)
1942                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1943 }
1944
1945 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1946 {
1947         float x;
1948         size_t len;
1949         float total;
1950
1951         total = 0;
1952 #if 0
1953         if(s)
1954         {
1955                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1956                 y -= total;
1957                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1958                 {
1959                         len = strlen(s->msg);
1960                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1961                         y -= size;
1962                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1963                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1964                         total += size;
1965                 }
1966         }
1967 #else
1968         if(s)
1969         {
1970                 len = strlen(s->msg);
1971                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1972                 y -= size;
1973                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1974                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1975                 total += size;
1976         }
1977 #endif
1978         return total;
1979 }
1980
1981 static void SCR_DrawLoadingStack(void)
1982 {
1983         float verts[12];
1984         float colors[16];
1985
1986         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1987         if(loadingscreenstack)
1988         {
1989                 // height = 32; // sorry, using the actual one is ugly
1990                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1991                 GL_DepthRange(0, 1);
1992                 GL_PolygonOffset(0, 0);
1993                 GL_DepthTest(false);
1994 //              R_Mesh_ResetTextureState();
1995                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1996                 verts[0] = verts[9] = 0;
1997                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1998                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1999                 verts[7] = verts[10] = vid_conheight.integer;
2000                 
2001 #if _MSC_VER >= 1400
2002 #define sscanf sscanf_s
2003 #endif
2004                 //                                        ^^^^^^^^^^ blue component
2005                 //                              ^^^^^^ bottom row
2006                 //          ^^^^^^^^^^^^ alpha is always on
2007                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
2008                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
2009                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
2010                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
2011
2012                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
2013                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
2014                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2015
2016                 // make sure everything is cleared, including the progress indicator
2017                 if(loadingscreenheight < 8)
2018                         loadingscreenheight = 8;
2019         }
2020 }
2021
2022 static cachepic_t *loadingscreenpic;
2023 static float loadingscreenpic_vertex3f[12];
2024 static float loadingscreenpic_texcoord2f[8];
2025
2026 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
2027 {
2028         r_viewport_t viewport;
2029         float x, y, w, h, sw, sh, f;
2030         // release mouse grab while loading
2031         if (!vid.fullscreen)
2032                 VID_SetMouse(false, false, false);
2033 //      CHECKGLERROR
2034         r_refdef.draw2dstage = true;
2035         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2036         R_Mesh_ResetRenderTargets();
2037         R_SetViewport(&viewport);
2038         GL_ColorMask(1,1,1,1);
2039         // when starting up a new video mode, make sure the screen is cleared to black
2040         if (clear || loadingscreentexture)
2041                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
2042         R_Textures_Frame();
2043         R_Mesh_Start();
2044         R_EntityMatrix(&identitymatrix);
2045         // draw the loading plaque
2046         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
2047
2048         w = loadingscreenpic->width;
2049         h = loadingscreenpic->height;
2050
2051         // apply scale
2052         w *= scr_loadingscreen_scale.value;
2053         h *= scr_loadingscreen_scale.value;
2054
2055         // apply scale base
2056         if(scr_loadingscreen_scale_base.integer)
2057         {
2058                 w *= vid_conwidth.integer / (float) vid.width;
2059                 h *= vid_conheight.integer / (float) vid.height;
2060         }
2061
2062         // apply scale limit
2063         sw = w / vid_conwidth.integer;
2064         sh = h / vid_conheight.integer;
2065         f = 1;
2066         switch(scr_loadingscreen_scale_limit.integer)
2067         {
2068                 case 1:
2069                         f = max(sw, sh);
2070                         break;
2071                 case 2:
2072                         f = min(sw, sh);
2073                         break;
2074                 case 3:
2075                         f = sw;
2076                         break;
2077                 case 4:
2078                         f = sh;
2079                         break;
2080         }
2081         if(f > 1)
2082         {
2083                 w /= f;
2084                 h /= f;
2085         }
2086
2087         x = (vid_conwidth.integer - w)/2;
2088         y = (vid_conheight.integer - h)/2;
2089         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
2090         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
2091         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
2092         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + w;
2093         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + h;
2094         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
2095         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
2096         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
2097         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
2098 }
2099
2100 static void SCR_DrawLoadingScreen (qboolean clear)
2101 {
2102         // we only need to draw the image if it isn't already there
2103         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2104         GL_DepthRange(0, 1);
2105         GL_PolygonOffset(0, 0);
2106         GL_DepthTest(false);
2107 //      R_Mesh_ResetTextureState();
2108         GL_Color(1,1,1,1);
2109         if(loadingscreentexture)
2110         {
2111                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
2112                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
2113                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2114         }
2115         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
2116         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
2117         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2118         SCR_DrawLoadingStack();
2119 }
2120
2121 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
2122 {
2123         R_Mesh_Finish();
2124         // refresh
2125         VID_Finish();
2126 }
2127
2128 void SCR_UpdateLoadingScreen (qboolean clear)
2129 {
2130         keydest_t       old_key_dest;
2131         int                     old_key_consoleactive;
2132
2133         // don't do anything if not initialized yet
2134         if (vid_hidden || cls.state == ca_dedicated)
2135                 return;
2136
2137         if(!scr_loadingscreen_background.integer)
2138                 clear = true;
2139         
2140         if(loadingscreendone)
2141                 clear |= loadingscreencleared;
2142
2143         if(!loadingscreendone)
2144                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2145
2146         if(clear)
2147                 SCR_ClearLoadingScreenTexture();
2148         else if(!loadingscreendone)
2149                 SCR_SetLoadingScreenTexture();
2150
2151         if(!loadingscreendone)
2152         {
2153                 loadingscreendone = true;
2154                 loadingscreenheight = 0;
2155         }
2156         loadingscreencleared = clear;
2157
2158         if (qglDrawBuffer)
2159                 qglDrawBuffer(GL_BACK);
2160         SCR_DrawLoadingScreen_SharedSetup(clear);
2161         if (vid.stereobuffer)
2162         {
2163                 qglDrawBuffer(GL_BACK_LEFT);
2164                 SCR_DrawLoadingScreen(clear);
2165                 qglDrawBuffer(GL_BACK_RIGHT);
2166                 SCR_DrawLoadingScreen(clear);
2167         }
2168         else
2169         {
2170                 if (qglDrawBuffer)
2171                         qglDrawBuffer(GL_BACK);
2172                 SCR_DrawLoadingScreen(clear);
2173         }
2174         SCR_DrawLoadingScreen_SharedFinish(clear);
2175
2176         // this goes into the event loop, and should prevent unresponsive cursor on vista
2177         old_key_dest = key_dest;
2178         old_key_consoleactive = key_consoleactive;
2179         key_dest = key_void;
2180         key_consoleactive = false;
2181         Key_EventQueue_Block(); Sys_SendKeyEvents();
2182         key_dest = old_key_dest;
2183         key_consoleactive = old_key_consoleactive;
2184 }
2185
2186 qboolean R_Stereo_ColorMasking(void)
2187 {
2188         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2189 }
2190
2191 qboolean R_Stereo_Active(void)
2192 {
2193         return (vid.stereobuffer || r_stereo_sidebyside.integer || r_stereo_horizontal.integer || r_stereo_vertical.integer || R_Stereo_ColorMasking());
2194 }
2195
2196 extern cvar_t cl_minfps;
2197 extern cvar_t cl_minfps_fade;
2198 extern cvar_t cl_minfps_qualitymax;
2199 extern cvar_t cl_minfps_qualitymin;
2200 extern cvar_t cl_minfps_qualitypower;
2201 extern cvar_t cl_minfps_qualityscale;
2202 extern cvar_t r_viewscale_fpsscaling;
2203 static double cl_updatescreen_rendertime = 0;
2204 static double cl_updatescreen_quality = 1;
2205 extern void Sbar_ShowFPS_Update(void);
2206 void CL_UpdateScreen(void)
2207 {
2208         vec3_t vieworigin;
2209         double rendertime1;
2210         double drawscreenstart;
2211         float conwidth, conheight;
2212         float f;
2213         r_viewport_t viewport;
2214
2215         Sbar_ShowFPS_Update();
2216
2217         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2218                 return;                         // not initialized yet
2219
2220         loadingscreendone = false;
2221
2222         if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2223         {
2224                 // play a bit with the palette (experimental)
2225                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2226                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2227                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2228                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2229                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2230                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2231                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2232                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2233         }
2234
2235         if (vid_hidden)
2236         {
2237                 VID_Finish();
2238                 return;
2239         }
2240
2241         rendertime1 = Sys_DoubleTime();
2242
2243         conwidth = bound(160, vid_conwidth.value, 32768);
2244         conheight = bound(90, vid_conheight.value, 24576);
2245         if (vid_conwidth.value != conwidth)
2246                 Cvar_SetValue("vid_conwidth", conwidth);
2247         if (vid_conheight.value != conheight)
2248                 Cvar_SetValue("vid_conheight", conheight);
2249
2250         // bound viewsize
2251         if (scr_viewsize.value < 30)
2252                 Cvar_Set ("viewsize","30");
2253         if (scr_viewsize.value > 120)
2254                 Cvar_Set ("viewsize","120");
2255
2256         // bound field of view
2257         if (scr_fov.value < 1)
2258                 Cvar_Set ("fov","1");
2259         if (scr_fov.value > 170)
2260                 Cvar_Set ("fov","170");
2261
2262         // intermission is always full screen
2263         if (cl.intermission)
2264                 sb_lines = 0;
2265         else
2266         {
2267                 if (scr_viewsize.value >= 120)
2268                         sb_lines = 0;           // no status bar at all
2269                 else if (scr_viewsize.value >= 110)
2270                         sb_lines = 24;          // no inventory
2271                 else
2272                         sb_lines = 24+16+8;
2273         }
2274
2275         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, vieworigin);
2276         R_HDR_UpdateIrisAdaptation(vieworigin);
2277
2278         r_refdef.view.colormask[0] = 1;
2279         r_refdef.view.colormask[1] = 1;
2280         r_refdef.view.colormask[2] = 1;
2281
2282         SCR_SetUpToDrawConsole();
2283
2284         if (qglDrawBuffer)
2285         {
2286                 CHECKGLERROR
2287                 qglDrawBuffer(GL_BACK);CHECKGLERROR
2288                 // set dithering mode
2289                 if (gl_dither.integer)
2290                 {
2291                         qglEnable(GL_DITHER);CHECKGLERROR
2292                 }
2293                 else
2294                 {
2295                         qglDisable(GL_DITHER);CHECKGLERROR
2296                 }
2297         }
2298
2299         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2300         R_Mesh_ResetRenderTargets();
2301         R_SetViewport(&viewport);
2302         GL_ScissorTest(false);
2303         GL_ColorMask(1,1,1,1);
2304         GL_DepthMask(true);
2305
2306         R_ClearScreen(false);
2307         r_refdef.view.clear = false;
2308         r_refdef.view.isoverlay = false;
2309         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2310         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2311
2312         if (qglPolygonStipple)
2313         {
2314                 if(scr_stipple.integer)
2315                 {
2316                         GLubyte stipple[128];
2317                         int i, s, width, parts;
2318                         static int frame = 0;
2319                         ++frame;
2320         
2321                         s = scr_stipple.integer;
2322                         parts = (s & 007);
2323                         width = (s & 070) >> 3;
2324         
2325                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2326                         for(i = 0; i < 128; ++i)
2327                         {
2328                                 int line = i/4;
2329                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2330                         }
2331                         qglPolygonStipple(stipple);CHECKGLERROR
2332                 }
2333                 else
2334                 {
2335                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2336                 }
2337         }
2338
2339         if (r_viewscale_fpsscaling.integer)
2340         {
2341                 switch(vid.renderpath)
2342                 {
2343                 case RENDERPATH_GL11:
2344                 case RENDERPATH_GL13:
2345                 case RENDERPATH_GL20:
2346                 case RENDERPATH_GLES2:
2347                         qglFinish();
2348                         break;
2349                 case RENDERPATH_D3D9:
2350                         //Con_DPrintf("FIXME D3D9 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2351                         break;
2352                 case RENDERPATH_D3D10:
2353                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2354                         break;
2355                 case RENDERPATH_D3D11:
2356                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2357                         break;
2358                 case RENDERPATH_SOFT:
2359                         DPSOFTRAST_Flush();
2360                         break;
2361                 }
2362         }
2363         drawscreenstart = Sys_DoubleTime();
2364         if (R_Stereo_Active())
2365         {
2366                 r_stereo_side = 0;
2367
2368                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2369                 {
2370                         r_refdef.view.colormask[0] = 1;
2371                         r_refdef.view.colormask[1] = 0;
2372                         r_refdef.view.colormask[2] = 0;
2373                 }
2374
2375                 if (vid.stereobuffer)
2376                         qglDrawBuffer(GL_BACK_RIGHT);
2377
2378                 SCR_DrawScreen();
2379
2380                 r_stereo_side = 1;
2381
2382                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2383                 {
2384                         r_refdef.view.colormask[0] = 0;
2385                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2386                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2387                 }
2388
2389                 if (vid.stereobuffer)
2390                         qglDrawBuffer(GL_BACK_LEFT);
2391
2392                 SCR_DrawScreen();
2393         }
2394         else
2395                 SCR_DrawScreen();
2396         if (r_viewscale_fpsscaling.integer)
2397         {
2398                 switch(vid.renderpath)
2399                 {
2400                 case RENDERPATH_GL11:
2401                 case RENDERPATH_GL13:
2402                 case RENDERPATH_GL20:
2403                 case RENDERPATH_GLES2:
2404                         qglFinish();
2405                         break;
2406                 case RENDERPATH_D3D9:
2407                         //Con_DPrintf("FIXME D3D9 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2408                         break;
2409                 case RENDERPATH_D3D10:
2410                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2411                         break;
2412                 case RENDERPATH_D3D11:
2413                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2414                         break;
2415                 case RENDERPATH_SOFT:
2416                         DPSOFTRAST_Flush();
2417                         break;
2418                 }
2419         }
2420         r_refdef.lastdrawscreentime = Sys_DoubleTime() - drawscreenstart;
2421
2422         SCR_CaptureVideo();
2423
2424         if (qglFlush)
2425                 qglFlush(); // FIXME: should we really be using qglFlush here?
2426
2427         // quality adjustment according to render time
2428         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2429         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2430                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2431         else
2432                 cl_updatescreen_quality = 1;
2433
2434         if (!vid_activewindow)
2435                 VID_SetMouse(false, false, false);
2436         else if (key_consoleactive)
2437                 VID_SetMouse(vid.fullscreen, false, false);
2438         else if (key_dest == key_menu_grabbed)
2439                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2440         else if (key_dest == key_menu)
2441                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2442         else
2443                 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);
2444
2445         VID_Finish();
2446 }
2447
2448 void CL_Screen_NewMap(void)
2449 {
2450 }