possibly fix offset calc for infobar
[xonotic/darkplaces.git] / cl_screen.c
1
2 #include "quakedef.h"
3 #include "cl_video.h"
4 #include "image.h"
5 #include "jpeg.h"
6 #include "image_png.h"
7 #include "cl_collision.h"
8 #include "libcurl.h"
9 #include "csprogs.h"
10 #include "cap_avi.h"
11 #include "cap_ogg.h"
12
13 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
14 #include "snd_main.h"
15
16 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
17 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
18 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background gfx/conback"};
19 cvar_t scr_conalphafactor = {CVAR_SAVE, "scr_conalphafactor", "1", "opacity of console background gfx/conback relative to scr_conalpha; when 0, gfx/conback is not drawn"};
20 cvar_t scr_conalpha2factor = {CVAR_SAVE, "scr_conalpha2factor", "0", "opacity of console background gfx/conback2 relative to scr_conalpha; when 0, gfx/conback2 is not drawn"};
21 cvar_t scr_conalpha3factor = {CVAR_SAVE, "scr_conalpha3factor", "0", "opacity of console background gfx/conback3 relative to scr_conalpha; when 0, gfx/conback3 is not drawn"};
22 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
23 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
24 cvar_t scr_conscroll_x = {CVAR_SAVE, "scr_conscroll_x", "0", "scroll speed of gfx/conback in x direction"};
25 cvar_t scr_conscroll_y = {CVAR_SAVE, "scr_conscroll_y", "0", "scroll speed of gfx/conback in y direction"};
26 cvar_t scr_conscroll2_x = {CVAR_SAVE, "scr_conscroll2_x", "0", "scroll speed of gfx/conback2 in x direction"};
27 cvar_t scr_conscroll2_y = {CVAR_SAVE, "scr_conscroll2_y", "0", "scroll speed of gfx/conback2 in y direction"};
28 cvar_t scr_conscroll3_x = {CVAR_SAVE, "scr_conscroll3_x", "0", "scroll speed of gfx/conback3 in x direction"};
29 cvar_t scr_conscroll3_y = {CVAR_SAVE, "scr_conscroll3_y", "0", "scroll speed of gfx/conback3 in y direction"};
30 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
31 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
32 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
33 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
34 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
35 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
36 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
37 cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
38 cvar_t scr_loadingscreen_scale = {0, "scr_loadingscreen_scale","1", "scale factor of the background"};
39 cvar_t scr_loadingscreen_scale_base = {0, "scr_loadingscreen_scale_base","0", "0 = console pixels, 1 = video pixels"};
40 cvar_t scr_loadingscreen_scale_limit = {0, "scr_loadingscreen_scale_limit","0", "0 = no limit, 1 = until first edge hits screen edge, 2 = until last edge hits screen edge, 3 = until width hits screen width, 4 = until height hits screen height"};
41 cvar_t scr_loadingscreen_count = {0, "scr_loadingscreen_count","1", "number of loading screen files to use randomly (named loading.tga, loading2.tga, loading3.tga, ...)"};
42 cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
43 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "the height of the loadingscreen progress bar"};
44 cvar_t scr_infobar_height = {0, "scr_infobar_height", "8", "the height of the infobar items"};
45 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
46 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
47 cvar_t vid_pixelheight = {CVAR_SAVE, "vid_pixelheight", "1", "adjusts vertical field of vision to account for non-square pixels (1280x1024 on a CRT monitor for example)"};
48 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
49 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
50 cvar_t scr_screenshot_png = {CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
51 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
52 cvar_t scr_screenshot_hwgamma = {CVAR_SAVE, "scr_screenshot_hwgamma","1", "apply the video gamma ramp to saved screenshots and videos"};
53 cvar_t scr_screenshot_alpha = {CVAR_SAVE, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
54 // scr_screenshot_name is defined in fs.c
55 cvar_t cl_capturevideo = {0, "cl_capturevideo", "0", "enables saving of video to a .avi file using uncompressed I420 colorspace and PCM audio, note that scr_screenshot_gammaboost affects the brightness of the output)"};
56 cvar_t cl_capturevideo_printfps = {CVAR_SAVE, "cl_capturevideo_printfps", "1", "prints the frames per second captured in capturevideo (is only written to the log file, not to the console, as that would be visible on the video)"};
57 cvar_t cl_capturevideo_width = {CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
58 cvar_t cl_capturevideo_height = {CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
59 cvar_t cl_capturevideo_realtime = {0, "cl_capturevideo_realtime", "0", "causes video saving to operate in realtime (mostly useful while playing, not while capturing demos), this can produce a much lower quality video due to poor sound/video sync and will abort saving if your machine stalls for over a minute"};
60 cvar_t cl_capturevideo_fps = {CVAR_SAVE, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
61 cvar_t cl_capturevideo_nameformat = {CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
62 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
63 cvar_t cl_capturevideo_ogg = {CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
64 cvar_t cl_capturevideo_framestep = {CVAR_SAVE, "cl_capturevideo_framestep", "1", "when set to n >= 1, render n frames to capture one (useful for motion blur like effects)"};
65 cvar_t r_letterbox = {0, "r_letterbox", "0", "reduces vertical height of view to simulate a letterboxed movie effect (can be used by mods for cutscenes)"};
66 cvar_t r_stereo_separation = {0, "r_stereo_separation", "4", "separation distance of eyes in the world (negative values are only useful for cross-eyed viewing)"};
67 cvar_t r_stereo_sidebyside = {0, "r_stereo_sidebyside", "0", "side by side views for those who can't afford glasses but can afford eye strain (note: use a negative r_stereo_separation if you want cross-eyed viewing)"};
68 cvar_t r_stereo_horizontal = {0, "r_stereo_horizontal", "0", "aspect skewed side by side view for special decoder/display hardware"};
69 cvar_t r_stereo_vertical = {0, "r_stereo_vertical", "0", "aspect skewed top and bottom view for special decoder/display hardware"};
70 cvar_t r_stereo_redblue = {0, "r_stereo_redblue", "0", "red/blue anaglyph stereo glasses (note: most of these glasses are actually red/cyan, try that one too)"};
71 cvar_t r_stereo_redcyan = {0, "r_stereo_redcyan", "0", "red/cyan anaglyph stereo glasses, the kind given away at drive-in movies like Creature From The Black Lagoon In 3D"};
72 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
73 cvar_t r_stereo_angle = {0, "r_stereo_angle", "0", "separation angle of eyes (makes the views look different directions, as an example, 90 gives a 90 degree separation where the views are 45 degrees left and 45 degrees right)"};
74 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
75 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
76 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
77 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
78 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
79 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
80 cvar_t scr_screenshot_name_in_mapdir = {CVAR_SAVE, "scr_screenshot_name_in_mapdir", "0", "if set to 1, screenshots are placed in a subdirectory named like the map they are from"};
81 cvar_t shownetgraph = {CVAR_SAVE, "shownetgraph", "0", "shows a graph of packet sizes and other information, 0 = off, 1 = show client netgraph, 2 = show client and server netgraphs (when hosting a server)"};
82 cvar_t cl_demo_mousegrab = {0, "cl_demo_mousegrab", "0", "Allows reading the mouse input while playing demos. Useful for camera mods developed in csqc. (0: never, 1: always)"};
83 cvar_t timedemo_screenshotframelist = {0, "timedemo_screenshotframelist", "", "when performing a timedemo, take screenshots of each frame in this space-separated list - example: 1 201 401"};
84 cvar_t vid_touchscreen_outlinealpha = {0, "vid_touchscreen_outlinealpha", "0.25", "opacity of touchscreen area outlines"};
85 cvar_t vid_touchscreen_overlayalpha = {0, "vid_touchscreen_overlayalpha", "0.25", "opacity of touchscreen area icons"};
86
87 extern cvar_t v_glslgamma;
88 extern cvar_t sbar_info_pos;
89 extern cvar_t r_fog_clear;
90 #define WANT_SCREENSHOT_HWGAMMA (scr_screenshot_hwgamma.integer && vid_usinghwgamma)
91
92 int jpeg_supported = false;
93
94 qboolean        scr_initialized;                // ready to draw
95
96 float           scr_con_current;
97 int                     scr_con_margin_bottom;
98
99 extern int      con_vislines;
100
101 static void SCR_ScreenShot_f (void);
102 static void R_Envmap_f (void);
103
104 // backend
105 void R_ClearScreen(qboolean fogcolor);
106
107 /*
108 ===============================================================================
109
110 CENTER PRINTING
111
112 ===============================================================================
113 */
114
115 char            scr_centerstring[MAX_INPUTLINE];
116 float           scr_centertime_start;   // for slow victory printing
117 float           scr_centertime_off;
118 int                     scr_center_lines;
119 int                     scr_erase_lines;
120 int                     scr_erase_center;
121 char        scr_infobarstring[MAX_INPUTLINE];
122 float       scr_infobartime_off;
123
124 /*
125 ==============
126 SCR_CenterPrint
127
128 Called for important messages that should stay in the center of the screen
129 for a few moments
130 ==============
131 */
132 void SCR_CenterPrint(const char *str)
133 {
134         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
135         scr_centertime_off = scr_centertime.value;
136         scr_centertime_start = cl.time;
137
138 // count the number of lines for centering
139         scr_center_lines = 1;
140         while (*str)
141         {
142                 if (*str == '\n')
143                         scr_center_lines++;
144                 str++;
145         }
146 }
147
148
149 void SCR_DrawCenterString (void)
150 {
151         char    *start;
152         int             x, y;
153         int             remaining;
154         int             color;
155
156         if(cl.intermission == 2) // in finale,
157                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
158                         return;
159
160         if(scr_centertime.value <= 0 && !cl.intermission)
161                 return;
162
163 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
164         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
165                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
166         else
167                 remaining = 9999;
168
169         scr_erase_center = 0;
170         start = scr_centerstring;
171
172         if (remaining < 1)
173                 return;
174
175         if (scr_center_lines <= 4)
176                 y = (int)(vid_conheight.integer*0.35);
177         else
178                 y = 48;
179
180         color = -1;
181         do
182         {
183                 // scan the number of characters on the line, not counting color codes
184                 char *newline = strchr(start, '\n');
185                 int l = newline ? (newline - start) : (int)strlen(start);
186                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
187
188                 x = (int) (vid_conwidth.integer - width)/2;
189                 if (l > 0)
190                 {
191                         if (remaining < l)
192                                 l = remaining;
193                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
194                         remaining -= l;
195                         if (remaining <= 0)
196                                 return;
197                 }
198                 y += 8;
199
200                 if (!newline)
201                         break;
202                 start = newline + 1; // skip the \n
203         } while (1);
204 }
205
206 void SCR_CheckDrawCenterString (void)
207 {
208         if (scr_center_lines > scr_erase_lines)
209                 scr_erase_lines = scr_center_lines;
210
211         if (cl.time > cl.oldtime)
212                 scr_centertime_off -= cl.time - cl.oldtime;
213
214         // don't draw if this is a normal stats-screen intermission,
215         // only if it is not an intermission, or a finale intermission
216         if (cl.intermission == 1)
217                 return;
218         if (scr_centertime_off <= 0 && !cl.intermission)
219                 return;
220         if (key_dest != key_game)
221                 return;
222
223         SCR_DrawCenterString ();
224 }
225
226 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
227 {
228         netgraphitem_t *graph;
229         int j, x, y, numlines;
230         int totalbytes = 0;
231         char bytesstring[128];
232         float g[NETGRAPH_PACKETS][6];
233         float *a;
234         float *b;
235         float vertex3f[(NETGRAPH_PACKETS+2)*5*2*3];
236         float color4f[(NETGRAPH_PACKETS+2)*5*2*4];
237         float *v;
238         float *c;
239         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
240         // draw the bar graph itself
241         // advance the packet counter because it is the latest packet column being
242         // built up and should come last
243         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
244         memset(g, 0, sizeof(g));
245         for (j = 0;j < NETGRAPH_PACKETS;j++)
246         {
247                 graph = netgraph + j;
248                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
249                 g[j][1] = 1.0f;
250                 g[j][2] = 1.0f;
251                 g[j][3] = 1.0f;
252                 g[j][4] = 1.0f;
253                 g[j][5] = 1.0f;
254                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
255                         g[j][1] = 0.00f;
256                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
257                         g[j][2] = 0.96f;
258                 else
259                 {
260                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
261                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
262                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
263                         // count bytes in the last second
264                         if (realtime - graph->time < 1.0f)
265                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
266                 }
267                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
268                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
269                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
270                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
271                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
272         }
273         // render the lines for the graph
274         numlines = 0;
275         v = vertex3f;
276         c = color4f;
277         for (j = 0;j < NETGRAPH_PACKETS;j++)
278         {
279                 a = g[j];
280                 b = g[(j+1)%NETGRAPH_PACKETS];
281                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
282                         continue;
283                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[2], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 0.0f, 1.0f);c += 4;
284                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[2], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 0.0f, 1.0f);c += 4;
285
286                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[1], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.0f, 0.0f, 1.0f);c += 4;
287                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[1], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.0f, 0.0f, 1.0f);c += 4;
288
289                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[5], 0.0f);v += 3;Vector4Set(c, 0.0f, 1.0f, 0.0f, 1.0f);c += 4;
290                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[5], 0.0f);v += 3;Vector4Set(c, 0.0f, 1.0f, 0.0f, 1.0f);c += 4;
291
292                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[4], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 1.0f, 1.0f);c += 4;
293                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[4], 0.0f);v += 3;Vector4Set(c, 1.0f, 1.0f, 1.0f, 1.0f);c += 4;
294
295                 VectorSet(v, graphx + graphwidth * a[0], graphy + graphheight * a[3], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.5f, 0.0f, 1.0f);c += 4;
296                 VectorSet(v, graphx + graphwidth * b[0], graphy + graphheight * b[3], 0.0f);v += 3;Vector4Set(c, 1.0f, 0.5f, 0.0f, 1.0f);c += 4;
297
298                 numlines += 5;
299         }
300         if (numlines > 0)
301                 DrawQ_Lines(0.0f, numlines, vertex3f, color4f, 0);
302         x = graphx;
303         y = graphy + graphheight;
304         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
305         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
306         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
307 }
308
309 /*
310 ==============
311 SCR_DrawNetGraph
312 ==============
313 */
314 void SCR_DrawNetGraph (void)
315 {
316         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
317         float graphscale;
318         netconn_t *c;
319
320         if (cls.state != ca_connected)
321                 return;
322         if (!cls.netcon)
323                 return;
324         if (!shownetgraph.integer)
325                 return;
326
327         separator1 = 2;
328         separator2 = 4;
329         textsize = 8;
330         graphwidth = 120;
331         graphheight = 70;
332         graphscale = 1.0f / 1500.0f;
333
334         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
335         netgraphsperrow = max(netgraphsperrow, 1);
336
337         index = 0;
338         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
339         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
340         c = cls.netcon;
341         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
342         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
343         index++;
344
345         if (sv.active && shownetgraph.integer >= 2)
346         {
347                 for (i = 0;i < svs.maxclients;i++)
348                 {
349                         c = svs.clients[i].netconnection;
350                         if (!c)
351                                 continue;
352                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
353                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
354                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, va("%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
355                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
356                         index++;
357                 }
358         }
359 }
360
361 /*
362 ==============
363 SCR_DrawTurtle
364 ==============
365 */
366 void SCR_DrawTurtle (void)
367 {
368         static int      count;
369
370         if (cls.state != ca_connected)
371                 return;
372
373         if (!scr_showturtle.integer)
374                 return;
375
376         if (cl.realframetime < 0.1)
377         {
378                 count = 0;
379                 return;
380         }
381
382         count++;
383         if (count < 3)
384                 return;
385
386         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
387 }
388
389 /*
390 ==============
391 SCR_DrawNet
392 ==============
393 */
394 void SCR_DrawNet (void)
395 {
396         if (cls.state != ca_connected)
397                 return;
398         if (realtime - cl.last_received_message < 0.3)
399                 return;
400         if (cls.demoplayback)
401                 return;
402
403         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
404 }
405
406 /*
407 ==============
408 DrawPause
409 ==============
410 */
411 void SCR_DrawPause (void)
412 {
413         cachepic_t      *pic;
414
415         if (cls.state != ca_connected)
416                 return;
417
418         if (!scr_showpause.integer)             // turn off for screenshots
419                 return;
420
421         if (!cl.paused)
422                 return;
423
424         pic = Draw_CachePic ("gfx/pause");
425         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
426 }
427
428 /*
429 ==============
430 SCR_DrawBrand
431 ==============
432 */
433 void SCR_DrawBrand (void)
434 {
435         cachepic_t      *pic;
436         float           x, y;
437
438         if (!scr_showbrand.value)
439                 return;
440
441         pic = Draw_CachePic ("gfx/brand");
442
443         switch ((int)scr_showbrand.value)
444         {
445         case 1: // bottom left
446                 x = 0;
447                 y = vid_conheight.integer - pic->height;
448                 break;
449         case 2: // bottom centre
450                 x = (vid_conwidth.integer - pic->width) / 2;
451                 y = vid_conheight.integer - pic->height;
452                 break;
453         case 3: // bottom right
454                 x = vid_conwidth.integer - pic->width;
455                 y = vid_conheight.integer - pic->height;
456                 break;
457         case 4: // centre right
458                 x = vid_conwidth.integer - pic->width;
459                 y = (vid_conheight.integer - pic->height) / 2;
460                 break;
461         case 5: // top right
462                 x = vid_conwidth.integer - pic->width;
463                 y = 0;
464                 break;
465         case 6: // top centre
466                 x = (vid_conwidth.integer - pic->width) / 2;
467                 y = 0;
468                 break;
469         case 7: // top left
470                 x = 0;
471                 y = 0;
472                 break;
473         case 8: // centre left
474                 x = 0;
475                 y = (vid_conheight.integer - pic->height) / 2;
476                 break;
477         default:
478                 return;
479         }
480
481         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
482 }
483
484 /*
485 ==============
486 SCR_DrawQWDownload
487 ==============
488 */
489 static int SCR_DrawQWDownload(int offset)
490 {
491         // sync with SCR_InfobarHeight
492         int len;
493         float x, y;
494         float size = scr_infobar_height.value;
495         char temp[256];
496
497         if (!cls.qw_downloadname[0])
498         {
499                 cls.qw_downloadspeedrate = 0;
500                 cls.qw_downloadspeedtime = realtime;
501                 cls.qw_downloadspeedcount = 0;
502                 return 0;
503         }
504         if (realtime >= cls.qw_downloadspeedtime + 1)
505         {
506                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
507                 cls.qw_downloadspeedtime = realtime;
508                 cls.qw_downloadspeedcount = 0;
509         }
510         if (cls.protocol == PROTOCOL_QUAKEWORLD)
511                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
512         else
513                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i/%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadmemorymaxsize, cls.qw_downloadspeedrate);
514         len = (int)strlen(temp);
515         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
516         y = vid_conheight.integer - size - offset;
517         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
518         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
519         return size;
520 }
521 /*
522 ==============
523 SCR_DrawInfobarString
524 ==============
525 */
526 static int SCR_DrawInfobarString(int offset)
527 {
528         int len;
529         float x, y;
530         float size = scr_infobar_height.value;
531
532         len = (int)strlen(scr_infobarstring);
533         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
534         y = vid_conheight.integer - size - offset;
535         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
536         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
537         return size;
538 }
539
540 /*
541 ==============
542 SCR_DrawCurlDownload
543 ==============
544 */
545 static int SCR_DrawCurlDownload(int offset)
546 {
547         // sync with SCR_InfobarHeight
548         int len;
549         int nDownloads;
550         int i;
551         float x, y;
552         float size = scr_infobar_height.value;
553         Curl_downloadinfo_t *downinfo;
554         char temp[256];
555         const char *addinfo;
556
557         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
558         if(!downinfo)
559                 return 0;
560
561         y = vid_conheight.integer - size * nDownloads - offset;
562
563         if(addinfo)
564         {
565                 len = (int)strlen(addinfo);
566                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
567                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
568                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
569         }
570
571         for(i = 0; i != nDownloads; ++i)
572         {
573                 if(downinfo[i].queued)
574                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s", downinfo[i].filename);
575                 else if(downinfo[i].progress <= 0)
576                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s", downinfo[i].filename, downinfo[i].speed / 1024.0);
577                 else
578                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
579                 len = (int)strlen(temp);
580                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
581                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
582                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
583         }
584
585         Z_Free(downinfo);
586
587         return size * (nDownloads + (addinfo ? 1 : 0));
588 }
589
590 /*
591 ==============
592 SCR_DrawInfobar
593 ==============
594 */
595 static void SCR_DrawInfobar(void)
596 {
597         int offset = 0;
598         offset += SCR_DrawQWDownload(offset);
599         offset += SCR_DrawCurlDownload(offset);
600         if(scr_infobartime_off > 0)
601                 offset += SCR_DrawInfobarString(offset);
602         if(offset != scr_con_margin_bottom)
603                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
604 }
605
606 static int SCR_InfobarHeight(void)
607 {
608         int offset = 0;
609         Curl_downloadinfo_t *downinfo;
610         const char *addinfo;
611         int nDownloads;
612
613         if (cl.time > cl.oldtime)
614                 scr_infobartime_off -= cl.time - cl.oldtime;
615         if(scr_infobartime_off > 0)
616                 offset += 1;
617         if(cls.qw_downloadname[0])
618                 offset += 1;
619
620         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
621         if(downinfo)
622         {
623                 offset += (nDownloads + (addinfo ? 1 : 0));
624                 Z_Free(downinfo);
625         }
626         offset *= scr_infobar_height.value;
627
628         return offset;
629 }
630
631 /*
632 ==============
633 SCR_InfoBar_f
634 ==============
635 */
636 void SCR_InfoBar_f(void)
637 {
638         if(Cmd_Argc() == 3)
639         {
640                 scr_infobartime_off = atof(Cmd_Argv(1));
641                 strlcpy(scr_infobarstring, Cmd_Argv(2), sizeof(scr_infobarstring));
642         }
643         else
644         {
645                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
646         }
647 }
648 //=============================================================================
649
650 /*
651 ==================
652 SCR_SetUpToDrawConsole
653 ==================
654 */
655 void SCR_SetUpToDrawConsole (void)
656 {
657         // lines of console to display
658         float conlines;
659         static int framecounter = 0;
660
661         Con_CheckResize ();
662
663         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
664         {
665                 if (framecounter >= 2)
666                         MR_ToggleMenu(1);
667                 else
668                         framecounter++;
669         }
670         else
671                 framecounter = 0;
672
673         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
674                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
675         else
676                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
677
678 // decide on the height of the console
679         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
680                 conlines = vid_conheight.integer/2;     // half screen
681         else
682                 conlines = 0;                           // none visible
683
684         scr_con_current = conlines;
685 }
686
687 /*
688 ==================
689 SCR_DrawConsole
690 ==================
691 */
692 void SCR_DrawConsole (void)
693 {
694         scr_con_margin_bottom = SCR_InfobarHeight();
695         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
696         {
697                 // full screen
698                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
699         }
700         else if (scr_con_current)
701                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
702         else
703                 con_vislines = 0;
704 }
705
706 /*
707 ===============
708 SCR_BeginLoadingPlaque
709
710 ================
711 */
712 void SCR_BeginLoadingPlaque (void)
713 {
714         // save console log up to this point to log_file if it was set by configs
715         Log_Start();
716
717         Host_StartVideo();
718         SCR_UpdateLoadingScreen(false);
719 }
720
721 //=============================================================================
722
723 char r_speeds_timestring[4096];
724 int speedstringcount, r_timereport_active;
725 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
726 int r_speeds_longestitem = 0;
727
728 void R_TimeReport(const char *desc)
729 {
730         char tempbuf[256];
731         int length;
732         int t;
733
734         if (r_speeds.integer < 2 || !r_timereport_active)
735                 return;
736
737         CHECKGLERROR
738         if (r_speeds.integer == 2)
739                 GL_Finish();
740         CHECKGLERROR
741         r_timereport_temp = r_timereport_current;
742         r_timereport_current = Sys_DoubleTime();
743         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
744
745         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
746         length = min(length, (int)sizeof(tempbuf) - 1);
747         if (r_speeds_longestitem < length)
748                 r_speeds_longestitem = length;
749         for (;length < r_speeds_longestitem;length++)
750                 tempbuf[length] = ' ';
751         tempbuf[length] = 0;
752
753         if (speedstringcount + length > (vid_conwidth.integer / 8))
754         {
755                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
756                 speedstringcount = 0;
757         }
758         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
759         speedstringcount += length;
760 }
761
762 void R_TimeReport_BeginFrame(void)
763 {
764         speedstringcount = 0;
765         r_speeds_timestring[0] = 0;
766         r_timereport_active = false;
767         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
768
769         if (r_speeds.integer >= 2 && cls.signon == SIGNONS && cls.state == ca_connected)
770         {
771                 r_timereport_active = true;
772                 r_timereport_start = r_timereport_current = Sys_DoubleTime();
773         }
774 }
775
776 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
777 {
778         int i, triangles = 0;
779         for (i = 0;i < leaf->numleafsurfaces;i++)
780                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
781         return triangles;
782 }
783
784 extern cvar_t r_viewscale;
785 extern float viewscalefpsadjusted;
786 void R_TimeReport_EndFrame(void)
787 {
788         int i, j, lines, y;
789         cl_locnode_t *loc;
790         char string[1024+4096];
791         mleaf_t *viewleaf;
792
793         string[0] = 0;
794         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
795         {
796                 // put the location name in the r_speeds display as it greatly helps
797                 // when creating loc files
798                 loc = CL_Locs_FindNearest(cl.movement_origin);
799                 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;
800                 dpsnprintf(string, sizeof(string),
801 "%6.0fus rendertime %3.0f%% viewscale %s%s\n"
802 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
803 "%5i viewleaf%5i cluster%2i area%4i brushes%4i surfaces(%7i triangles)\n"
804 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
805 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
806 "%7i lightmap updates (%7i pixels)%8iKB/%8iKB framedata\n"
807 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
808 "bouncegrid:%4i lights%6i particles%6i traces%6i hits%6i splats%6i bounces\n"
809 "collision cache efficiency:%6i cached%6i traced%6ianimated\n"
810 "%6i draws%8i vertices%8i triangles bloompixels%8i copied%8i drawn\n"
811 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
812 "%s"
813 , r_refdef.lastdrawscreentime * 1000000.0, r_viewscale.value * sqrt(viewscalefpsadjusted) * 100.0f, loc ? "Location: " : "", loc ? loc->name : ""
814 , 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]
815 , 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
816 , r_refdef.stats.world_surfaces, r_refdef.stats.world_triangles, r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles
817 , 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)
818 , r_refdef.stats.lightmapupdates, r_refdef.stats.lightmapupdatepixels, (r_refdef.stats.framedatacurrent+512) / 1024, (r_refdef.stats.framedatasize+512)/1024
819 , 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
820 , 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
821 , r_refdef.stats.collisioncache_cached, r_refdef.stats.collisioncache_traced, r_refdef.stats.collisioncache_animated
822 , 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
823 , r_refdef.stats.indexbufferuploadcount, r_refdef.stats.indexbufferuploadsize, r_refdef.stats.vertexbufferuploadcount, r_refdef.stats.vertexbufferuploadsize
824 , r_speeds_timestring);
825
826                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
827
828                 speedstringcount = 0;
829                 r_speeds_timestring[0] = 0;
830                 r_timereport_active = false;
831
832                 if (r_speeds.integer >= 2)
833                 {
834                         r_timereport_active = true;
835                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
836                 }
837         }
838
839         if (string[0])
840         {
841                 if (string[strlen(string)-1] == '\n')
842                         string[strlen(string)-1] = 0;
843                 lines = 1;
844                 for (i = 0;string[i];i++)
845                         if (string[i] == '\n')
846                                 lines++;
847                 y = vid_conheight.integer - sb_lines - lines * 8;
848                 i = j = 0;
849                 r_draw2d_force = true;
850                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
851                 while (string[i])
852                 {
853                         j = i;
854                         while (string[i] && string[i] != '\n')
855                                 i++;
856                         if (i - j > 0)
857                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
858                         if (string[i] == '\n')
859                                 i++;
860                         y += 8;
861                 }
862                 r_draw2d_force = false;
863         }
864 }
865
866 /*
867 =================
868 SCR_SizeUp_f
869
870 Keybinding command
871 =================
872 */
873 void SCR_SizeUp_f (void)
874 {
875         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
876 }
877
878
879 /*
880 =================
881 SCR_SizeDown_f
882
883 Keybinding command
884 =================
885 */
886 void SCR_SizeDown_f (void)
887 {
888         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
889 }
890
891 void SCR_CaptureVideo_EndVideo(void);
892 void CL_Screen_Shutdown(void)
893 {
894         SCR_CaptureVideo_EndVideo();
895 }
896
897 void CL_Screen_Init(void)
898 {
899         Cvar_RegisterVariable (&scr_fov);
900         Cvar_RegisterVariable (&scr_viewsize);
901         Cvar_RegisterVariable (&scr_conalpha);
902         Cvar_RegisterVariable (&scr_conalphafactor);
903         Cvar_RegisterVariable (&scr_conalpha2factor);
904         Cvar_RegisterVariable (&scr_conalpha3factor);
905         Cvar_RegisterVariable (&scr_conscroll_x);
906         Cvar_RegisterVariable (&scr_conscroll_y);
907         Cvar_RegisterVariable (&scr_conscroll2_x);
908         Cvar_RegisterVariable (&scr_conscroll2_y);
909         Cvar_RegisterVariable (&scr_conscroll3_x);
910         Cvar_RegisterVariable (&scr_conscroll3_y);
911         Cvar_RegisterVariable (&scr_conbrightness);
912         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
913         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
914         Cvar_RegisterVariable (&scr_loadingscreen_background);
915         Cvar_RegisterVariable (&scr_loadingscreen_scale);
916         Cvar_RegisterVariable (&scr_loadingscreen_scale_base);
917         Cvar_RegisterVariable (&scr_loadingscreen_scale_limit);
918         Cvar_RegisterVariable (&scr_loadingscreen_count);
919         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
920         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
921         Cvar_RegisterVariable (&scr_infobar_height);
922         Cvar_RegisterVariable (&scr_showram);
923         Cvar_RegisterVariable (&scr_showturtle);
924         Cvar_RegisterVariable (&scr_showpause);
925         Cvar_RegisterVariable (&scr_showbrand);
926         Cvar_RegisterVariable (&scr_centertime);
927         Cvar_RegisterVariable (&scr_printspeed);
928         Cvar_RegisterVariable (&vid_conwidth);
929         Cvar_RegisterVariable (&vid_conheight);
930         Cvar_RegisterVariable (&vid_pixelheight);
931         Cvar_RegisterVariable (&scr_screenshot_jpeg);
932         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
933         Cvar_RegisterVariable (&scr_screenshot_png);
934         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
935         Cvar_RegisterVariable (&scr_screenshot_hwgamma);
936         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
937         Cvar_RegisterVariable (&scr_screenshot_alpha);
938         Cvar_RegisterVariable (&cl_capturevideo);
939         Cvar_RegisterVariable (&cl_capturevideo_printfps);
940         Cvar_RegisterVariable (&cl_capturevideo_width);
941         Cvar_RegisterVariable (&cl_capturevideo_height);
942         Cvar_RegisterVariable (&cl_capturevideo_realtime);
943         Cvar_RegisterVariable (&cl_capturevideo_fps);
944         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
945         Cvar_RegisterVariable (&cl_capturevideo_number);
946         Cvar_RegisterVariable (&cl_capturevideo_ogg);
947         Cvar_RegisterVariable (&cl_capturevideo_framestep);
948         Cvar_RegisterVariable (&r_letterbox);
949         Cvar_RegisterVariable(&r_stereo_separation);
950         Cvar_RegisterVariable(&r_stereo_sidebyside);
951         Cvar_RegisterVariable(&r_stereo_horizontal);
952         Cvar_RegisterVariable(&r_stereo_vertical);
953         Cvar_RegisterVariable(&r_stereo_redblue);
954         Cvar_RegisterVariable(&r_stereo_redcyan);
955         Cvar_RegisterVariable(&r_stereo_redgreen);
956         Cvar_RegisterVariable(&r_stereo_angle);
957         Cvar_RegisterVariable(&scr_zoomwindow);
958         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
959         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
960         Cvar_RegisterVariable(&scr_zoomwindow_fov);
961         Cvar_RegisterVariable(&scr_stipple);
962         Cvar_RegisterVariable(&scr_refresh);
963         Cvar_RegisterVariable(&shownetgraph);
964         Cvar_RegisterVariable(&cl_demo_mousegrab);
965         Cvar_RegisterVariable(&timedemo_screenshotframelist);
966         Cvar_RegisterVariable(&vid_touchscreen_outlinealpha);
967         Cvar_RegisterVariable(&vid_touchscreen_overlayalpha);
968
969         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
970         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
971         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
972         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
973         Cmd_AddCommand ("infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
974
975         SCR_CaptureVideo_Ogg_Init();
976
977         scr_initialized = true;
978 }
979
980 /*
981 ==================
982 SCR_ScreenShot_f
983 ==================
984 */
985 void SCR_ScreenShot_f (void)
986 {
987         static int shotnumber;
988         static char old_prefix_name[MAX_QPATH];
989         char prefix_name[MAX_QPATH];
990         char filename[MAX_QPATH];
991         unsigned char *buffer1;
992         unsigned char *buffer2;
993         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
994         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
995
996         if (Cmd_Argc() == 2)
997         {
998                 const char *ext;
999                 strlcpy(filename, Cmd_Argv(1), sizeof(filename));
1000                 ext = FS_FileExtension(filename);
1001                 if (!strcasecmp(ext, "jpg"))
1002                 {
1003                         jpeg = true;
1004                         png = false;
1005                 }
1006                 else if (!strcasecmp(ext, "tga"))
1007                 {
1008                         jpeg = false;
1009                         png = false;
1010                 }
1011                 else if (!strcasecmp(ext, "png"))
1012                 {
1013                         jpeg = false;
1014                         png = true;
1015                 }
1016                 else
1017                 {
1018                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
1019                         return;
1020                 }
1021         }
1022         else
1023         {
1024                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1025                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1026                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
1027                 else
1028                         dpsnprintf (prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
1029
1030                 if (strcmp(old_prefix_name, prefix_name))
1031                 {
1032                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
1033                         shotnumber = 0;
1034                 }
1035
1036                 // find a file name to save it to
1037                 for (;shotnumber < 1000000;shotnumber++)
1038                         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)))
1039                                 break;
1040                 if (shotnumber >= 1000000)
1041                 {
1042                         Con_Print("Couldn't create the image file\n");
1043                         return;
1044                 }
1045
1046                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
1047         }
1048
1049         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1050         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
1051
1052         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer != 0))
1053                 Con_Printf("Wrote %s\n", filename);
1054         else
1055         {
1056                 Con_Printf("Unable to write %s\n", filename);
1057                 if(jpeg || png)
1058                 {
1059                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer != 0))
1060                         {
1061                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1062                                 Con_Printf("Wrote %s\n", filename);
1063                         }
1064                 }
1065         }
1066
1067         Mem_Free (buffer1);
1068         Mem_Free (buffer2);
1069
1070         shotnumber++;
1071 }
1072
1073 void SCR_CaptureVideo_BeginVideo(void)
1074 {
1075         double r, g, b;
1076         unsigned int i;
1077         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1078         if (cls.capturevideo.active)
1079                 return;
1080         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1081         // soundrate is figured out on the first SoundFrame
1082
1083         if(width == 0 && height != 0)
1084                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1085         if(width != 0 && height == 0)
1086                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1087
1088         if(width < 2 || width > vid.width) // can't scale up
1089                 width = vid.width;
1090         if(height < 2 || height > vid.height) // can't scale up
1091                 height = vid.height;
1092
1093         // ensure it's all even; if not, scale down a little
1094         if(width % 1)
1095                 --width;
1096         if(height % 1)
1097                 --height;
1098
1099         cls.capturevideo.width = width;
1100         cls.capturevideo.height = height;
1101         cls.capturevideo.active = true;
1102         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1103         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1104         cls.capturevideo.soundrate = S_GetSoundRate();
1105         cls.capturevideo.soundchannels = S_GetSoundChannels();
1106         cls.capturevideo.startrealtime = realtime;
1107         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1108         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = Sys_DoubleTime();
1109         cls.capturevideo.soundsampleframe = 0;
1110         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1111         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1112         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1113         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1114         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1115
1116         /*
1117         for (i = 0;i < 256;i++)
1118         {
1119                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1120                 cls.capturevideo.rgbgammatable[0][i] = j;
1121                 cls.capturevideo.rgbgammatable[1][i] = j;
1122                 cls.capturevideo.rgbgammatable[2][i] = j;
1123         }
1124         */
1125 /*
1126 R = Y + 1.4075 * (Cr - 128);
1127 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1128 B = Y + 1.7790 * (Cb - 128);
1129 Y = R *  .299 + G *  .587 + B *  .114;
1130 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1131 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1132 */
1133
1134         if(WANT_SCREENSHOT_HWGAMMA)
1135         {
1136                 VID_BuildGammaTables(&cls.capturevideo.vidramp[0], 256);
1137         }
1138         else
1139         {
1140                 // identity gamma table
1141                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1142                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1143                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1144         }
1145         if(scr_screenshot_gammaboost.value != 1)
1146         {
1147                 double igamma = 1 / scr_screenshot_gammaboost.value;
1148                 for (i = 0;i < 256 * 3;i++)
1149                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1150         }
1151
1152         for (i = 0;i < 256;i++)
1153         {
1154                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1155                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1156                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1157                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1158                 // Y weights from RGB
1159                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1160                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1161                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1162                 // Cb weights from RGB
1163                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1164                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1165                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1166                 // Cr weights from RGB
1167                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1168                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1169                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1170                 // range reduction of YCbCr to valid signal range
1171                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1172                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1173                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1174         }
1175
1176         if (cl_capturevideo_ogg.integer)
1177         {
1178                 if(SCR_CaptureVideo_Ogg_Available())
1179                 {
1180                         SCR_CaptureVideo_Ogg_BeginVideo();
1181                         return;
1182                 }
1183                 else
1184                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1185         }
1186
1187         SCR_CaptureVideo_Avi_BeginVideo();
1188 }
1189
1190 void SCR_CaptureVideo_EndVideo(void)
1191 {
1192         if (!cls.capturevideo.active)
1193                 return;
1194         cls.capturevideo.active = false;
1195
1196         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);
1197
1198         if (cls.capturevideo.videofile)
1199         {
1200                 cls.capturevideo.endvideo();
1201         }
1202
1203         if (cls.capturevideo.screenbuffer)
1204         {
1205                 Mem_Free (cls.capturevideo.screenbuffer);
1206                 cls.capturevideo.screenbuffer = NULL;
1207         }
1208
1209         if (cls.capturevideo.outbuffer)
1210         {
1211                 Mem_Free (cls.capturevideo.outbuffer);
1212                 cls.capturevideo.outbuffer = NULL;
1213         }
1214
1215         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1216 }
1217
1218 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1219 {
1220         // TODO optimize this function
1221
1222         int x, y;
1223         float area;
1224
1225         // memcpy is faster than me
1226         if(inw == outw && inh == outh)
1227         {
1228                 memcpy(out, in, 4 * inw * inh);
1229                 return;
1230         }
1231
1232         // otherwise: a box filter
1233         area = (float)outw * (float)outh / (float)inw / (float)inh;
1234         for(y = 0; y < outh; ++y)
1235         {
1236                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1237                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1238                 for(x = 0; x < outw; ++x)
1239                 {
1240                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1241                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1242                         float r = 0, g = 0, b = 0, alpha = 0;
1243                         int xx, yy;
1244
1245                         for(yy = iny0_i; yy < iny1_i; ++yy)
1246                         {
1247                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1248                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1249                                 {
1250                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1251                                         r += a * in[4*(xx + inw * yy)+0];
1252                                         g += a * in[4*(xx + inw * yy)+1];
1253                                         b += a * in[4*(xx + inw * yy)+2];
1254                                         alpha += a * in[4*(xx + inw * yy)+3];
1255                                 }
1256                         }
1257
1258                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1259                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1260                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1261                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1262                 }
1263         }
1264 }
1265
1266 void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1267 {
1268         int x = 0, y = 0;
1269         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1270
1271         if(newframestepframenum == cls.capturevideo.framestepframe)
1272                 return;
1273
1274         CHECKGLERROR
1275         // speed is critical here, so do saving as directly as possible
1276
1277         GL_ReadPixelsBGRA(x, y, vid.width, vid.height, cls.capturevideo.screenbuffer);
1278
1279         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1280
1281         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1282         cls.capturevideo.framestepframe = newframestepframenum;
1283
1284         if(cl_capturevideo_printfps.integer)
1285         {
1286                 char buf[80];
1287                 double t = Sys_DoubleTime();
1288                 if(t > cls.capturevideo.lastfpstime + 1)
1289                 {
1290                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1291                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1292                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1293                         Sys_PrintToTerminal(buf);
1294                         cls.capturevideo.lastfpstime = t;
1295                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1296                 }
1297         }
1298 }
1299
1300 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1301 {
1302         cls.capturevideo.soundsampleframe += length;
1303         cls.capturevideo.soundframe(paintbuffer, length);
1304 }
1305
1306 void SCR_CaptureVideo(void)
1307 {
1308         int newframenum;
1309         if (cl_capturevideo.integer)
1310         {
1311                 if (!cls.capturevideo.active)
1312                         SCR_CaptureVideo_BeginVideo();
1313                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1314                 {
1315                         Con_Printf("You can not change the video framerate while recording a video.\n");
1316                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1317                 }
1318                 // for AVI saving we have to make sure that sound is saved before video
1319                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1320                         return;
1321                 if (cls.capturevideo.realtime)
1322                 {
1323                         // preserve sound sync by duplicating frames when running slow
1324                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1325                 }
1326                 else
1327                         newframenum = cls.capturevideo.frame + 1;
1328                 // if falling behind more than one second, stop
1329                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1330                 {
1331                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1332                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1333                         SCR_CaptureVideo_EndVideo();
1334                         return;
1335                 }
1336                 // write frames
1337                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1338                 cls.capturevideo.frame = newframenum;
1339                 if (cls.capturevideo.error)
1340                 {
1341                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1342                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1343                         SCR_CaptureVideo_EndVideo();
1344                 }
1345         }
1346         else if (cls.capturevideo.active)
1347                 SCR_CaptureVideo_EndVideo();
1348 }
1349
1350 /*
1351 ===============
1352 R_Envmap_f
1353
1354 Grab six views for environment mapping tests
1355 ===============
1356 */
1357 struct envmapinfo_s
1358 {
1359         float angles[3];
1360         const char *name;
1361         qboolean flipx, flipy, flipdiagonaly;
1362 }
1363 envmapinfo[12] =
1364 {
1365         {{  0,   0, 0}, "rt", false, false, false},
1366         {{  0, 270, 0}, "ft", false, false, false},
1367         {{  0, 180, 0}, "lf", false, false, false},
1368         {{  0,  90, 0}, "bk", false, false, false},
1369         {{-90, 180, 0}, "up",  true,  true, false},
1370         {{ 90, 180, 0}, "dn",  true,  true, false},
1371
1372         {{  0,   0, 0}, "px",  true,  true,  true},
1373         {{  0,  90, 0}, "py", false,  true, false},
1374         {{  0, 180, 0}, "nx", false, false,  true},
1375         {{  0, 270, 0}, "ny",  true, false, false},
1376         {{-90, 180, 0}, "pz", false, false,  true},
1377         {{ 90, 180, 0}, "nz", false, false,  true}
1378 };
1379
1380 static void R_Envmap_f (void)
1381 {
1382         int j, size;
1383         char filename[MAX_QPATH], basename[MAX_QPATH];
1384         unsigned char *buffer1;
1385         unsigned char *buffer2;
1386
1387         if (Cmd_Argc() != 3)
1388         {
1389                 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");
1390                 return;
1391         }
1392
1393         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1394         size = atoi(Cmd_Argv(2));
1395         if (size != 128 && size != 256 && size != 512 && size != 1024)
1396         {
1397                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1398                 return;
1399         }
1400         if (size > vid.width || size > vid.height)
1401         {
1402                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1403                 return;
1404         }
1405
1406         r_refdef.envmap = true;
1407
1408         R_UpdateVariables();
1409
1410         r_refdef.view.x = 0;
1411         r_refdef.view.y = 0;
1412         r_refdef.view.z = 0;
1413         r_refdef.view.width = size;
1414         r_refdef.view.height = size;
1415         r_refdef.view.depth = 1;
1416         r_refdef.view.useperspective = true;
1417         r_refdef.view.isoverlay = false;
1418
1419         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1420         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1421
1422         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1423         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1424
1425         for (j = 0;j < 12;j++)
1426         {
1427                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1428                 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);
1429                 r_refdef.view.quality = 1;
1430                 r_refdef.view.clear = true;
1431                 R_Mesh_Start();
1432                 R_RenderView();
1433                 R_Mesh_Finish();
1434                 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);
1435         }
1436
1437         Mem_Free (buffer1);
1438         Mem_Free (buffer2);
1439
1440         r_refdef.envmap = false;
1441 }
1442
1443 //=============================================================================
1444
1445 void SHOWLMP_decodehide(void)
1446 {
1447         int i;
1448         char *lmplabel;
1449         lmplabel = MSG_ReadString();
1450         for (i = 0;i < cl.num_showlmps;i++)
1451                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1452                 {
1453                         cl.showlmps[i].isactive = false;
1454                         return;
1455                 }
1456 }
1457
1458 void SHOWLMP_decodeshow(void)
1459 {
1460         int k;
1461         char lmplabel[256], picname[256];
1462         float x, y;
1463         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1464         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1465         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1466         {
1467                 x = MSG_ReadByte();
1468                 y = MSG_ReadByte();
1469         }
1470         else
1471         {
1472                 x = MSG_ReadShort();
1473                 y = MSG_ReadShort();
1474         }
1475         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1476         {
1477                 showlmp_t *oldshowlmps = cl.showlmps;
1478                 cl.max_showlmps += 16;
1479                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1480                 if (cl.num_showlmps)
1481                         memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1482                 if (oldshowlmps)
1483                         Mem_Free(oldshowlmps);
1484         }
1485         for (k = 0;k < cl.max_showlmps;k++)
1486                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1487                         break;
1488         if (k == cl.max_showlmps)
1489                 for (k = 0;k < cl.max_showlmps;k++)
1490                         if (!cl.showlmps[k].isactive)
1491                                 break;
1492         cl.showlmps[k].isactive = true;
1493         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1494         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1495         cl.showlmps[k].x = x;
1496         cl.showlmps[k].y = y;
1497         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1498 }
1499
1500 void SHOWLMP_drawall(void)
1501 {
1502         int i;
1503         for (i = 0;i < cl.num_showlmps;i++)
1504                 if (cl.showlmps[i].isactive)
1505                         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);
1506 }
1507
1508 /*
1509 ==============================================================================
1510
1511                                                 SCREEN SHOTS
1512
1513 ==============================================================================
1514 */
1515
1516 // buffer1: 4*w*h
1517 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1518 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)
1519 {
1520         int     indices[4] = {0,1,2,3}; // BGRA
1521         qboolean ret;
1522
1523         GL_ReadPixelsBGRA(x, y, width, height, buffer1);
1524
1525         if(gammacorrect && (scr_screenshot_gammaboost.value != 1 || WANT_SCREENSHOT_HWGAMMA))
1526         {
1527                 int i;
1528                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1529                 unsigned short vidramp[256 * 3];
1530                 if(WANT_SCREENSHOT_HWGAMMA)
1531                 {
1532                         VID_BuildGammaTables(&vidramp[0], 256);
1533                 }
1534                 else
1535                 {
1536                         // identity gamma table
1537                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1538                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1539                         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1540                 }
1541                 if(scr_screenshot_gammaboost.value != 1)
1542                 {
1543                         for (i = 0;i < 256 * 3;i++)
1544                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1545                 }
1546                 for (i = 0;i < width*height*4;i += 4)
1547                 {
1548                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1549                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1550                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1551                         // A
1552                 }
1553         }
1554
1555         if(keep_alpha && !jpeg)
1556         {
1557                 if(!png)
1558                         flipy = !flipy; // TGA: not preflipped
1559                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1560                 if (png)
1561                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1562                 else
1563                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1564         }
1565         else
1566         {
1567                 if(jpeg)
1568                 {
1569                         indices[0] = 2;
1570                         indices[2] = 0; // RGB
1571                 }
1572                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
1573                 if (jpeg)
1574                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1575                 else if (png)
1576                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
1577                 else
1578                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
1579         }
1580
1581         return ret;
1582 }
1583
1584 //=============================================================================
1585
1586 int scr_numtouchscreenareas;
1587 scr_touchscreenarea_t scr_touchscreenareas[16];
1588
1589 static void SCR_DrawTouchscreenOverlay(void)
1590 {
1591         int i;
1592         scr_touchscreenarea_t *a;
1593         cachepic_t *pic;
1594         for (i = 0, a = scr_touchscreenareas;i < scr_numtouchscreenareas;i++, a++)
1595         {
1596                 if (vid_touchscreen_outlinealpha.value > 0 && a->rect[0] >= 0 && a->rect[1] >= 0 && a->rect[2] >= 4 && a->rect[3] >= 4)
1597                 {
1598                         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);
1599                         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);
1600                         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);
1601                         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);
1602                         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);
1603                         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);
1604                 }
1605                 pic = a->pic ? Draw_CachePic(a->pic) : NULL;
1606                 if (pic && pic->tex != r_texture_notexture)
1607                         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);
1608         }
1609 }
1610
1611 extern void R_UpdateFogColor(void);
1612 void R_ClearScreen(qboolean fogcolor)
1613 {
1614         float clearcolor[4];
1615         // clear to black
1616         Vector4Clear(clearcolor);
1617         if (fogcolor)
1618         {
1619                 R_UpdateFogColor();
1620                 if (r_fog_clear.integer)
1621                         VectorCopy(r_refdef.fogcolor, clearcolor);
1622         }
1623         // clear depth is 1.0
1624         // LordHavoc: we use a stencil centered around 128 instead of 0,
1625         // to avoid clamping interfering with strange shadow volume
1626         // drawing orders
1627         // clear the screen
1628         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 128);
1629 }
1630
1631 qboolean CL_VM_UpdateView (void);
1632 void SCR_DrawConsole (void);
1633 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1634
1635 int r_stereo_side;
1636
1637 extern void Sbar_ShowFPS(void);
1638 void SCR_DrawScreen (void)
1639 {
1640         Draw_Frame();
1641
1642         R_Mesh_Start();
1643
1644         R_UpdateVariables();
1645
1646         // Quake uses clockwise winding, so these are swapped
1647         r_refdef.view.cullface_front = GL_BACK;
1648         r_refdef.view.cullface_back = GL_FRONT;
1649
1650         if (cls.signon == SIGNONS)
1651         {
1652                 float size;
1653
1654                 size = scr_viewsize.value * (1.0 / 100.0);
1655                 size = min(size, 1);
1656
1657                 if (r_stereo_sidebyside.integer)
1658                 {
1659                         r_refdef.view.width = (int)(vid.width * size / 2.5);
1660                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1661                         r_refdef.view.depth = 1;
1662                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
1663                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1664                         r_refdef.view.z = 0;
1665                         if (r_stereo_side)
1666                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
1667                 }
1668                 else if (r_stereo_horizontal.integer)
1669                 {
1670                         r_refdef.view.width = (int)(vid.width * size / 2);
1671                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1672                         r_refdef.view.depth = 1;
1673                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.0)/2);
1674                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1675                         r_refdef.view.z = 0;
1676                         if (r_stereo_side)
1677                                 r_refdef.view.x += (int)(r_refdef.view.width);
1678                 }
1679                 else if (r_stereo_vertical.integer)
1680                 {
1681                         r_refdef.view.width = (int)(vid.width * size);
1682                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100) / 2);
1683                         r_refdef.view.depth = 1;
1684                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1685                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height * 2.0)/2);
1686                         r_refdef.view.z = 0;
1687                         if (r_stereo_side)
1688                                 r_refdef.view.y += (int)(r_refdef.view.height);
1689                 }
1690                 else
1691                 {
1692                         r_refdef.view.width = (int)(vid.width * size);
1693                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1694                         r_refdef.view.depth = 1;
1695                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1696                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
1697                         r_refdef.view.z = 0;
1698                 }
1699
1700                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1701                 // LordHavoc: this is designed to produce widescreen fov values
1702                 // when the screen is wider than 4/3 width/height aspect, to do
1703                 // this it simply assumes the requested fov is the vertical fov
1704                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1705                 // higher/lower according to the ratio
1706                 r_refdef.view.useperspective = true;
1707                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1708                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
1709
1710                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1711                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1712
1713                 if(!CL_VM_UpdateView())
1714                         R_RenderView();
1715
1716                 if (scr_zoomwindow.integer)
1717                 {
1718                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1719                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1720                         r_refdef.view.width = (int)(vid.width * sizex);
1721                         r_refdef.view.height = (int)(vid.height * sizey);
1722                         r_refdef.view.depth = 1;
1723                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
1724                         r_refdef.view.y = 0;
1725                         r_refdef.view.z = 0;
1726
1727                         r_refdef.view.useperspective = true;
1728                         r_refdef.view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1729                         r_refdef.view.frustum_x = r_refdef.view.frustum_y * vid_pixelheight.value * (float)r_refdef.view.width / (float)r_refdef.view.height;
1730
1731                         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
1732                         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
1733
1734                         if(!CL_VM_UpdateView())
1735                                 R_RenderView();
1736                 }
1737         }
1738
1739         if (!r_stereo_sidebyside.integer && !r_stereo_horizontal.integer && !r_stereo_vertical.integer)
1740         {
1741                 r_refdef.view.width = vid.width;
1742                 r_refdef.view.height = vid.height;
1743                 r_refdef.view.depth = 1;
1744                 r_refdef.view.x = 0;
1745                 r_refdef.view.y = 0;
1746                 r_refdef.view.z = 0;
1747                 r_refdef.view.useperspective = false;
1748         }
1749
1750         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
1751         {
1752                 const char *t;
1753                 int framenum;
1754                 t = timedemo_screenshotframelist.string;
1755                 while (*t)
1756                 {
1757                         while (*t == ' ')
1758                                 t++;
1759                         if (!*t)
1760                                 break;
1761                         framenum = atof(t);
1762                         if (framenum == cls.td_frames)
1763                                 break;
1764                         while (*t && *t != ' ')
1765                                 t++;
1766                 }
1767                 if (*t)
1768                 {
1769                         // we need to take a screenshot of this frame...
1770                         char filename[MAX_QPATH];
1771                         unsigned char *buffer1;
1772                         unsigned char *buffer2;
1773                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
1774                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1775                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1776                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
1777                         Mem_Free(buffer1);
1778                         Mem_Free(buffer2);
1779                 }
1780         }
1781
1782         // draw 2D stuff
1783         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
1784                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
1785                         Con_DrawNotify ();      // only draw notify in game
1786
1787         if (cls.signon == SIGNONS)
1788         {
1789                 SCR_DrawNet ();
1790                 SCR_DrawTurtle ();
1791                 SCR_DrawPause ();
1792                 if (!r_letterbox.value)
1793                         Sbar_Draw();
1794                 Sbar_ShowFPS();
1795                 SHOWLMP_drawall();
1796                 SCR_CheckDrawCenterString();
1797         }
1798         SCR_DrawNetGraph ();
1799         MR_Draw();
1800         CL_DrawVideo();
1801         R_Shadow_EditLights_DrawSelectedLightProperties();
1802
1803         SCR_DrawConsole();
1804
1805         SCR_DrawBrand();
1806
1807         SCR_DrawInfobar();
1808
1809         SCR_DrawTouchscreenOverlay();
1810
1811         if (r_timereport_active)
1812                 R_TimeReport("2d");
1813
1814         if (cls.signon == SIGNONS)
1815         {
1816                 R_TimeReport_EndFrame();
1817                 R_TimeReport_BeginFrame();
1818         }
1819
1820         DrawQ_Finish();
1821
1822         R_DrawGamma();
1823
1824         R_Mesh_Finish();
1825 }
1826
1827 typedef struct loadingscreenstack_s
1828 {
1829         struct loadingscreenstack_s *prev;
1830         char msg[MAX_QPATH];
1831         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
1832         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
1833         float relative_completion; // 0 .. 1
1834 }
1835 loadingscreenstack_t;
1836 static loadingscreenstack_t *loadingscreenstack = NULL;
1837 static qboolean loadingscreendone = false;
1838 static qboolean loadingscreencleared = false;
1839 static float loadingscreenheight = 0;
1840 rtexture_t *loadingscreentexture = NULL;
1841 static float loadingscreentexture_vertex3f[12];
1842 static float loadingscreentexture_texcoord2f[8];
1843 static int loadingscreenpic_number = 0;
1844
1845 static void SCR_ClearLoadingScreenTexture(void)
1846 {
1847         if(loadingscreentexture)
1848                 R_FreeTexture(loadingscreentexture);
1849         loadingscreentexture = NULL;
1850 }
1851
1852 extern rtexturepool_t *r_main_texturepool;
1853 static void SCR_SetLoadingScreenTexture(void)
1854 {
1855         int w, h;
1856         float loadingscreentexture_w;
1857         float loadingscreentexture_h;
1858
1859         SCR_ClearLoadingScreenTexture();
1860
1861         if (vid.support.arb_texture_non_power_of_two)
1862         {
1863                 w = vid.width; h = vid.height;
1864                 loadingscreentexture_w = loadingscreentexture_h = 1;
1865         }
1866         else
1867         {
1868                 w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
1869                 loadingscreentexture_w = vid.width / (float) w;
1870                 loadingscreentexture_h = vid.height / (float) h;
1871         }
1872
1873         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
1874         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
1875
1876         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
1877         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
1878         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
1879         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
1880         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
1881         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
1882         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
1883         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
1884         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
1885 }
1886
1887 void SCR_UpdateLoadingScreenIfShown(void)
1888 {
1889         if(loadingscreendone)
1890                 SCR_UpdateLoadingScreen(loadingscreencleared);
1891 }
1892
1893 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
1894 {
1895         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
1896         s->prev = loadingscreenstack;
1897         loadingscreenstack = s;
1898
1899         strlcpy(s->msg, msg, sizeof(s->msg));
1900         s->relative_completion = 0;
1901
1902         if(s->prev)
1903         {
1904                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
1905                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
1906                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
1907                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
1908         }
1909         else
1910         {
1911                 s->absolute_loading_amount_min = 0;
1912                 s->absolute_loading_amount_len = 1;
1913         }
1914
1915         if(redraw)
1916                 SCR_UpdateLoadingScreenIfShown();
1917 }
1918
1919 void SCR_PopLoadingScreen (qboolean redraw)
1920 {
1921         loadingscreenstack_t *s = loadingscreenstack;
1922
1923         if(!s)
1924         {
1925                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
1926                 return;
1927         }
1928
1929         loadingscreenstack = s->prev;
1930         if(s->prev)
1931                 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;
1932         Z_Free(s);
1933
1934         if(redraw)
1935                 SCR_UpdateLoadingScreenIfShown();
1936 }
1937
1938 void SCR_ClearLoadingScreen (qboolean redraw)
1939 {
1940         while(loadingscreenstack)
1941                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
1942 }
1943
1944 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
1945 {
1946         float x;
1947         size_t len;
1948         float total;
1949
1950         total = 0;
1951 #if 0
1952         if(s)
1953         {
1954                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
1955                 y -= total;
1956                 if(!s->prev || strcmp(s->msg, s->prev->msg))
1957                 {
1958                         len = strlen(s->msg);
1959                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1960                         y -= size;
1961                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1962                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1963                         total += size;
1964                 }
1965         }
1966 #else
1967         if(s)
1968         {
1969                 len = strlen(s->msg);
1970                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
1971                 y -= size;
1972                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
1973                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
1974                 total += size;
1975         }
1976 #endif
1977         return total;
1978 }
1979
1980 static void SCR_DrawLoadingStack(void)
1981 {
1982         float verts[12];
1983         float colors[16];
1984
1985         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
1986         if(loadingscreenstack)
1987         {
1988                 // height = 32; // sorry, using the actual one is ugly
1989                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
1990                 GL_DepthRange(0, 1);
1991                 GL_PolygonOffset(0, 0);
1992                 GL_DepthTest(false);
1993 //              R_Mesh_ResetTextureState();
1994                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
1995                 verts[0] = verts[9] = 0;
1996                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
1997                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
1998                 verts[7] = verts[10] = vid_conheight.integer;
1999                 
2000 #if _MSC_VER >= 1400
2001 #define sscanf sscanf_s
2002 #endif
2003                 //                                        ^^^^^^^^^^ blue component
2004                 //                              ^^^^^^ bottom row
2005                 //          ^^^^^^^^^^^^ alpha is always on
2006                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
2007                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
2008                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
2009                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
2010
2011                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
2012                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
2013                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2014
2015                 // make sure everything is cleared, including the progress indicator
2016                 if(loadingscreenheight < 8)
2017                         loadingscreenheight = 8;
2018         }
2019 }
2020
2021 static cachepic_t *loadingscreenpic;
2022 static float loadingscreenpic_vertex3f[12];
2023 static float loadingscreenpic_texcoord2f[8];
2024
2025 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
2026 {
2027         r_viewport_t viewport;
2028         float x, y, w, h, sw, sh, f;
2029         // release mouse grab while loading
2030         if (!vid.fullscreen)
2031                 VID_SetMouse(false, false, false);
2032 //      CHECKGLERROR
2033         r_refdef.draw2dstage = true;
2034         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2035         R_Mesh_ResetRenderTargets();
2036         R_SetViewport(&viewport);
2037         GL_ColorMask(1,1,1,1);
2038         // when starting up a new video mode, make sure the screen is cleared to black
2039         if (clear || loadingscreentexture)
2040                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
2041         R_Textures_Frame();
2042         R_Mesh_Start();
2043         R_EntityMatrix(&identitymatrix);
2044         // draw the loading plaque
2045         loadingscreenpic = Draw_CachePic (loadingscreenpic_number ? va("gfx/loading%d", loadingscreenpic_number+1) : "gfx/loading");
2046
2047         w = loadingscreenpic->width;
2048         h = loadingscreenpic->height;
2049
2050         // apply scale
2051         w *= scr_loadingscreen_scale.value;
2052         h *= scr_loadingscreen_scale.value;
2053
2054         // apply scale base
2055         if(scr_loadingscreen_scale_base.integer)
2056         {
2057                 w *= vid_conwidth.integer / (float) vid.width;
2058                 h *= vid_conheight.integer / (float) vid.height;
2059         }
2060
2061         // apply scale limit
2062         sw = w / vid_conwidth.integer;
2063         sh = h / vid_conheight.integer;
2064         f = 1;
2065         switch(scr_loadingscreen_scale_limit.integer)
2066         {
2067                 case 1:
2068                         f = max(sw, sh);
2069                         break;
2070                 case 2:
2071                         f = min(sw, sh);
2072                         break;
2073                 case 3:
2074                         f = sw;
2075                         break;
2076                 case 4:
2077                         f = sh;
2078                         break;
2079         }
2080         if(f > 1)
2081         {
2082                 w /= f;
2083                 h /= f;
2084         }
2085
2086         x = (vid_conwidth.integer - w)/2;
2087         y = (vid_conheight.integer - h)/2;
2088         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
2089         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
2090         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
2091         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + w;
2092         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + h;
2093         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
2094         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
2095         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
2096         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
2097 }
2098
2099 static void SCR_DrawLoadingScreen (qboolean clear)
2100 {
2101         // we only need to draw the image if it isn't already there
2102         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2103         GL_DepthRange(0, 1);
2104         GL_PolygonOffset(0, 0);
2105         GL_DepthTest(false);
2106 //      R_Mesh_ResetTextureState();
2107         GL_Color(1,1,1,1);
2108         if(loadingscreentexture)
2109         {
2110                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
2111                 R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1);
2112                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2113         }
2114         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
2115         R_SetupShader_Generic(loadingscreenpic->tex, NULL, GL_MODULATE, 1);
2116         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2117         SCR_DrawLoadingStack();
2118 }
2119
2120 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
2121 {
2122         R_Mesh_Finish();
2123         // refresh
2124         VID_Finish();
2125 }
2126
2127 void SCR_UpdateLoadingScreen (qboolean clear)
2128 {
2129         keydest_t       old_key_dest;
2130         int                     old_key_consoleactive;
2131
2132         // don't do anything if not initialized yet
2133         if (vid_hidden || cls.state == ca_dedicated)
2134                 return;
2135
2136         if(!scr_loadingscreen_background.integer)
2137                 clear = true;
2138         
2139         if(loadingscreendone)
2140                 clear |= loadingscreencleared;
2141
2142         if(!loadingscreendone)
2143                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2144
2145         if(clear)
2146                 SCR_ClearLoadingScreenTexture();
2147         else if(!loadingscreendone)
2148                 SCR_SetLoadingScreenTexture();
2149
2150         if(!loadingscreendone)
2151         {
2152                 loadingscreendone = true;
2153                 loadingscreenheight = 0;
2154         }
2155         loadingscreencleared = clear;
2156
2157         if (qglDrawBuffer)
2158                 qglDrawBuffer(GL_BACK);
2159         SCR_DrawLoadingScreen_SharedSetup(clear);
2160         if (vid.stereobuffer)
2161         {
2162                 qglDrawBuffer(GL_BACK_LEFT);
2163                 SCR_DrawLoadingScreen(clear);
2164                 qglDrawBuffer(GL_BACK_RIGHT);
2165                 SCR_DrawLoadingScreen(clear);
2166         }
2167         else
2168         {
2169                 if (qglDrawBuffer)
2170                         qglDrawBuffer(GL_BACK);
2171                 SCR_DrawLoadingScreen(clear);
2172         }
2173         SCR_DrawLoadingScreen_SharedFinish(clear);
2174
2175         // this goes into the event loop, and should prevent unresponsive cursor on vista
2176         old_key_dest = key_dest;
2177         old_key_consoleactive = key_consoleactive;
2178         key_dest = key_void;
2179         key_consoleactive = false;
2180         Key_EventQueue_Block(); Sys_SendKeyEvents();
2181         key_dest = old_key_dest;
2182         key_consoleactive = old_key_consoleactive;
2183 }
2184
2185 qboolean R_Stereo_ColorMasking(void)
2186 {
2187         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2188 }
2189
2190 qboolean R_Stereo_Active(void)
2191 {
2192         return (vid.stereobuffer || r_stereo_sidebyside.integer || r_stereo_horizontal.integer || r_stereo_vertical.integer || R_Stereo_ColorMasking());
2193 }
2194
2195 extern cvar_t cl_minfps;
2196 extern cvar_t cl_minfps_fade;
2197 extern cvar_t cl_minfps_qualitymax;
2198 extern cvar_t cl_minfps_qualitymin;
2199 extern cvar_t cl_minfps_qualitypower;
2200 extern cvar_t cl_minfps_qualityscale;
2201 extern cvar_t r_viewscale_fpsscaling;
2202 static double cl_updatescreen_rendertime = 0;
2203 static double cl_updatescreen_quality = 1;
2204 extern void Sbar_ShowFPS_Update(void);
2205 void CL_UpdateScreen(void)
2206 {
2207         vec3_t vieworigin;
2208         double rendertime1;
2209         double drawscreenstart;
2210         float conwidth, conheight;
2211         float f;
2212         r_viewport_t viewport;
2213
2214         Sbar_ShowFPS_Update();
2215
2216         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2217                 return;                         // not initialized yet
2218
2219         loadingscreendone = false;
2220
2221         if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2222         {
2223                 // play a bit with the palette (experimental)
2224                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2225                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2226                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2227                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2228                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2229                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2230                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2231                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2232         }
2233
2234         if (vid_hidden)
2235         {
2236                 VID_Finish();
2237                 return;
2238         }
2239
2240         rendertime1 = Sys_DoubleTime();
2241
2242         conwidth = bound(160, vid_conwidth.value, 32768);
2243         conheight = bound(90, vid_conheight.value, 24576);
2244         if (vid_conwidth.value != conwidth)
2245                 Cvar_SetValue("vid_conwidth", conwidth);
2246         if (vid_conheight.value != conheight)
2247                 Cvar_SetValue("vid_conheight", conheight);
2248
2249         // bound viewsize
2250         if (scr_viewsize.value < 30)
2251                 Cvar_Set ("viewsize","30");
2252         if (scr_viewsize.value > 120)
2253                 Cvar_Set ("viewsize","120");
2254
2255         // bound field of view
2256         if (scr_fov.value < 1)
2257                 Cvar_Set ("fov","1");
2258         if (scr_fov.value > 170)
2259                 Cvar_Set ("fov","170");
2260
2261         // intermission is always full screen
2262         if (cl.intermission)
2263                 sb_lines = 0;
2264         else
2265         {
2266                 if (scr_viewsize.value >= 120)
2267                         sb_lines = 0;           // no status bar at all
2268                 else if (scr_viewsize.value >= 110)
2269                         sb_lines = 24;          // no inventory
2270                 else
2271                         sb_lines = 24+16+8;
2272         }
2273
2274         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, vieworigin);
2275         R_HDR_UpdateIrisAdaptation(vieworigin);
2276
2277         r_refdef.view.colormask[0] = 1;
2278         r_refdef.view.colormask[1] = 1;
2279         r_refdef.view.colormask[2] = 1;
2280
2281         SCR_SetUpToDrawConsole();
2282
2283         if (qglDrawBuffer)
2284         {
2285                 CHECKGLERROR
2286                 qglDrawBuffer(GL_BACK);CHECKGLERROR
2287                 // set dithering mode
2288                 if (gl_dither.integer)
2289                 {
2290                         qglEnable(GL_DITHER);CHECKGLERROR
2291                 }
2292                 else
2293                 {
2294                         qglDisable(GL_DITHER);CHECKGLERROR
2295                 }
2296         }
2297
2298         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2299         R_Mesh_ResetRenderTargets();
2300         R_SetViewport(&viewport);
2301         GL_ScissorTest(false);
2302         GL_ColorMask(1,1,1,1);
2303         GL_DepthMask(true);
2304
2305         R_ClearScreen(false);
2306         r_refdef.view.clear = false;
2307         r_refdef.view.isoverlay = false;
2308         f = pow((float)cl_updatescreen_quality, cl_minfps_qualitypower.value) * cl_minfps_qualityscale.value;
2309         r_refdef.view.quality = bound(cl_minfps_qualitymin.value, f, cl_minfps_qualitymax.value);
2310
2311         if (qglPolygonStipple)
2312         {
2313                 if(scr_stipple.integer)
2314                 {
2315                         GLubyte stipple[128];
2316                         int i, s, width, parts;
2317                         static int frame = 0;
2318                         ++frame;
2319         
2320                         s = scr_stipple.integer;
2321                         parts = (s & 007);
2322                         width = (s & 070) >> 3;
2323         
2324                         qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
2325                         for(i = 0; i < 128; ++i)
2326                         {
2327                                 int line = i/4;
2328                                 stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2329                         }
2330                         qglPolygonStipple(stipple);CHECKGLERROR
2331                 }
2332                 else
2333                 {
2334                         qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
2335                 }
2336         }
2337
2338         if (r_viewscale_fpsscaling.integer)
2339                 GL_Finish();
2340         drawscreenstart = Sys_DoubleTime();
2341         if (R_Stereo_Active())
2342         {
2343                 r_stereo_side = 0;
2344
2345                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2346                 {
2347                         r_refdef.view.colormask[0] = 1;
2348                         r_refdef.view.colormask[1] = 0;
2349                         r_refdef.view.colormask[2] = 0;
2350                 }
2351
2352                 if (vid.stereobuffer)
2353                         qglDrawBuffer(GL_BACK_RIGHT);
2354
2355                 SCR_DrawScreen();
2356
2357                 r_stereo_side = 1;
2358
2359                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2360                 {
2361                         r_refdef.view.colormask[0] = 0;
2362                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2363                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2364                 }
2365
2366                 if (vid.stereobuffer)
2367                         qglDrawBuffer(GL_BACK_LEFT);
2368
2369                 SCR_DrawScreen();
2370         }
2371         else
2372                 SCR_DrawScreen();
2373         if (r_viewscale_fpsscaling.integer)
2374                 GL_Finish();
2375         r_refdef.lastdrawscreentime = Sys_DoubleTime() - drawscreenstart;
2376
2377         SCR_CaptureVideo();
2378
2379         if (qglFlush)
2380                 qglFlush(); // FIXME: should we really be using qglFlush here?
2381
2382         // quality adjustment according to render time
2383         cl_updatescreen_rendertime += ((Sys_DoubleTime() - rendertime1) - cl_updatescreen_rendertime) * bound(0, cl_minfps_fade.value, 1);
2384         if (cl_minfps.value > 0 && cl_updatescreen_rendertime > 0 && !cls.timedemo && (!cls.capturevideo.active || !cls.capturevideo.realtime))
2385                 cl_updatescreen_quality = 1 / (cl_updatescreen_rendertime * cl_minfps.value);
2386         else
2387                 cl_updatescreen_quality = 1;
2388
2389         if (!vid_activewindow)
2390                 VID_SetMouse(false, false, false);
2391         else if (key_consoleactive)
2392                 VID_SetMouse(vid.fullscreen, false, false);
2393         else if (key_dest == key_menu_grabbed)
2394                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2395         else if (key_dest == key_menu)
2396                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2397         else
2398                 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);
2399
2400         VID_Finish();
2401 }
2402
2403 void CL_Screen_NewMap(void)
2404 {
2405 }