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Merge branch 'TimePath/strcpy' into 'master'
[xonotic/xonotic-data.pk3dir.git] / qcsrc / client / miscfunctions.qc
1 #include "miscfunctions.qh"
2
3 #include "autocvars.qh"
4 #include "defs.qh"
5 #include "hud/_mod.qh"
6
7 #include <common/command/_mod.qh>
8
9 #include <common/teams.qh>
10
11 #include <lib/csqcmodel/cl_model.qh>
12
13
14 void AuditLists()
15 {
16         entity e;
17         entity prev;
18
19         prev = players;
20         for(e = prev.sort_next; e; prev = e, e = e.sort_next)
21         {
22                 if(prev != e.sort_prev)
23                         error(strcat("sort list chain error\nplease submit the output of 'prvm_edicts client' to the developers"));
24         }
25
26         prev = teams;
27         for(e = prev.sort_next; e; prev = e, e = e.sort_next)
28         {
29                 if(prev != e.sort_prev)
30                         error(strcat("sort list chain error\nplease submit the output of 'prvm_edicts client' to the developers"));
31         }
32 }
33
34
35 float RegisterPlayer(entity player)
36 {
37         entity pl;
38         AuditLists();
39         for(pl = players.sort_next; pl; pl = pl.sort_next)
40                 if(pl == player)
41                         error("Player already registered!");
42         player.sort_next = players.sort_next;
43         player.sort_prev = players;
44         if(players.sort_next)
45                 players.sort_next.sort_prev = player;
46         players.sort_next = player;
47         AuditLists();
48         return true;
49 }
50
51 void RemovePlayer(entity player)
52 {
53         entity pl, parent;
54         AuditLists();
55         parent = players;
56         for(pl = players.sort_next; pl && pl != player; pl = pl.sort_next)
57                 parent = pl;
58
59         if(!pl)
60         {
61                 error("Trying to remove a player which is not in the playerlist!");
62                 return;
63         }
64         parent.sort_next = player.sort_next;
65         if(player.sort_next)
66                 player.sort_next.sort_prev = parent;
67         AuditLists();
68 }
69
70 void MoveToLast(entity e)
71 {
72         AuditLists();
73         entity ent = e.sort_next;
74         while(ent)
75         {
76                 SORT_SWAP(ent, e);
77                 ent = e.sort_next;
78         }
79         AuditLists();
80 }
81
82 float RegisterTeam(entity Team)
83 {
84         assert_once(Team.team, eprint(Team));
85         entity tm;
86         AuditLists();
87         for(tm = teams.sort_next; tm; tm = tm.sort_next)
88                 if(tm == Team)
89                         error("Team already registered!");
90         Team.sort_next = teams.sort_next;
91         Team.sort_prev = teams;
92         if(teams.sort_next)
93                 teams.sort_next.sort_prev = Team;
94         teams.sort_next = Team;
95         if(Team.team && Team.team != NUM_SPECTATOR)
96                 ++team_count;
97         AuditLists();
98         return true;
99 }
100
101 void RemoveTeam(entity Team)
102 {
103         entity tm, parent;
104         AuditLists();
105         parent = teams;
106         for(tm = teams.sort_next; tm && tm != Team; tm = tm.sort_next)
107                 parent = tm;
108
109         if(!tm)
110         {
111                 LOG_INFO(_("Trying to remove a team which is not in the teamlist!"));
112                 return;
113         }
114         parent.sort_next = Team.sort_next;
115         if(Team.sort_next)
116                 Team.sort_next.sort_prev = parent;
117         if(Team.team && Team.team != NUM_SPECTATOR)
118                 --team_count;
119         AuditLists();
120 }
121
122 entity GetTeam(int Team, bool add)
123 {
124     TC(int, Team); TC(bool, add);
125         int num = (Team == NUM_SPECTATOR) ? 16 : Team;
126         if(teamslots[num])
127                 return teamslots[num];
128         if (!add)
129                 return NULL;
130         entity tm = new_pure(team);
131         tm.team = Team;
132         teamslots[num] = tm;
133         RegisterTeam(tm);
134         return tm;
135 }
136
137 vector HUD_GetFontsize(string cvarname)
138 {
139         vector v;
140         v = stov(cvar_string(cvarname));
141         if(v.x == 0)
142                 v = '8 8 0';
143         if(v.y == 0)
144                 v.y = v.x;
145         v.z = 0;
146         return v;
147 }
148
149 float PreviewExists(string name)
150 {
151         if(autocvar_cl_readpicture_force)
152                 return false;
153
154         if (fexists(strcat(name, ".tga"))) return true;
155         if (fexists(strcat(name, ".png"))) return true;
156         if (fexists(strcat(name, ".jpg"))) return true;
157         if (fexists(strcat(name, ".pcx"))) return true;
158
159         return false;
160 }
161
162 // decolorizes and team colors the player name when needed
163 string playername(string thename, float teamid)
164 {
165     TC(int, teamid);
166     string t;
167     if (teamplay)
168     {
169         t = Team_ColorCode(teamid);
170         return strcat(t, strdecolorize(thename));
171     }
172     else
173         return strdecolorize(thename);
174 }
175
176 float cvar_or(string cv, float v)
177 {
178         string s;
179         s = cvar_string(cv);
180         if(s == "")
181                 return v;
182         else
183                 return stof(s);
184 }
185
186 vector project_3d_to_2d(vector vec)
187 {
188         vec = cs_project(vec);
189         if(cs_project_is_b0rked > 0)
190         {
191                 vec.x *= vid_conwidth / vid_width;
192                 vec.y *= vid_conheight / vid_height;
193         }
194         return vec;
195 }
196
197 bool projected_on_screen(vector screen_pos)
198 {
199         return screen_pos.z >= 0
200                 && screen_pos.x >= 0
201                 && screen_pos.y >= 0
202                 && screen_pos.x < vid_conwidth
203                 && screen_pos.y < vid_conheight;
204 }
205
206 float expandingbox_sizefactor_from_fadelerp(float fadelerp)
207 {
208         return 1.2 / (1.2 - fadelerp);
209 }
210
211 vector expandingbox_resize_centered_box_offset(float sz, vector boxsize, float boxxsizefactor)
212 {
213         boxsize.x *= boxxsizefactor; // easier interface for text
214         return boxsize * (0.5 * (1 - sz));
215 }
216
217 void drawborderlines(float thickness, vector pos, vector dim, vector color, float theAlpha, float drawflag)
218 {
219         vector line_dim = '0 0 0';
220
221         // left and right lines
222         pos.x -= thickness;
223         line_dim.x = thickness;
224         line_dim.y = dim.y;
225         drawfill(pos, line_dim, color, theAlpha, drawflag);
226         drawfill(pos + (dim.x + thickness) * '1 0 0', line_dim, color, theAlpha, drawflag);
227
228         // upper and lower lines
229         pos.y -= thickness;
230         line_dim.x = dim.x + thickness * 2; // make upper and lower lines longer
231         line_dim.y = thickness;
232         drawfill(pos, line_dim, color, theAlpha, drawflag);
233         drawfill(pos + (dim.y + thickness) * '0 1 0', line_dim, color, theAlpha, drawflag);
234 }
235
236 void drawpic_tiled(vector pos, string pic, vector sz, vector area, vector color, float theAlpha, float drawflag)
237 {
238         pos = HUD_Shift(pos);
239         sz = HUD_Scale(sz);
240         area = HUD_Scale(area);
241
242         vector current_pos = '0 0 0', end_pos, new_size = '0 0 0', ratio = '0 0 0';
243         end_pos = pos + area;
244
245         current_pos.y = pos.y;
246         while (current_pos.y < end_pos.y)
247         {
248                 current_pos.x = pos.x;
249                 while (current_pos.x < end_pos.x)
250                 {
251                         new_size.x = min(sz.x, end_pos.x - current_pos.x);
252                         new_size.y = min(sz.y, end_pos.y - current_pos.y);
253                         ratio.x = new_size.x / sz.x;
254                         ratio.y = new_size.y / sz.y;
255                         drawsubpic(current_pos, new_size, pic, '0 0 0', ratio, color, theAlpha, drawflag);
256                         current_pos.x += sz.x;
257                 }
258                 current_pos.y += sz.y;
259         }
260 }
261
262 void drawpic_aspect_skin_expanding(vector position, string pic, vector theScale, vector rgb, float theAlpha, float flag, float fadelerp)
263 {
264         float sz;
265         sz = expandingbox_sizefactor_from_fadelerp(fadelerp);
266
267         drawpic_aspect_skin(position + expandingbox_resize_centered_box_offset(sz, theScale, 1), pic, theScale * sz, rgb, theAlpha * (1 - fadelerp), flag);
268 }
269
270 void drawpic_aspect_skin_expanding_two(vector position, string pic, vector theScale, vector rgb, float theAlpha, float flag, float fadelerp)
271 {
272         drawpic_aspect_skin_expanding(position, pic, theScale, rgb, theAlpha, flag, fadelerp);
273         drawpic_skin(position, pic, theScale, rgb, theAlpha * fadelerp, flag);
274 }
275
276 void HUD_Scale_Disable()
277 {
278         hud_scale = '1 1 0';
279         hud_shift = '0 0 0';
280         drawfontscale = hud_scale;
281 }
282
283 void HUD_Scale_Enable()
284 {
285         hud_scale = hud_scale_current;
286         hud_shift = hud_shift_current;
287         drawfontscale = hud_scale;
288 }
289
290 vector HUD_Scale(vector v)
291 {
292         v.x = HUD_ScaleX(v.x);
293         v.y = HUD_ScaleY(v.y);
294         return v;
295 }
296
297 vector HUD_Shift(vector v)
298 {
299         v.x = HUD_ShiftX(v.x);
300         v.y = HUD_ShiftY(v.y);
301         return v;
302 }
303
304 float stringwidth(string text, float handleColors, vector sz)
305 {
306         vector dfs = drawfontscale;
307         drawfontscale = '1 1 0';
308         float r = stringwidth_builtin(text, handleColors, sz);
309         drawfontscale = dfs;
310         return r;
311 }
312
313 // drawstring wrapper to draw a string as large as possible with preserved aspect ratio into a box
314 void drawstring_aspect(vector pos, string text, vector sz, vector color, float theAlpha, float drawflag) {
315         SET_POS_AND_SZ_Y_ASPECT(false);
316         drawstring(pos, text, '1 1 0' * sz.y, color, theAlpha, drawflag);
317 }
318
319 // drawstring wrapper to draw a colorcodedstring as large as possible with preserved aspect ratio into a box
320 void drawcolorcodedstring_aspect(vector pos, string text, vector sz, float theAlpha, float drawflag) {
321         SET_POS_AND_SZ_Y_ASPECT(true);
322         drawcolorcodedstring(pos, text, '1 1 0' * sz.y, theAlpha, drawflag);
323 }
324
325 void drawstring_expanding(vector position, string text, vector theScale, vector rgb, float theAlpha, float flag, float fadelerp)
326 {
327         float sz;
328         sz = expandingbox_sizefactor_from_fadelerp(fadelerp);
329
330         drawfontscale = hud_scale * sz;
331         vector dfs = drawfontscale;
332         drawfontscale = sz * '1 1 0';
333         float textaspect = stringwidth_builtin(text, false, theScale * (sz / drawfontscale.x)) / (theScale.x * sz);
334         drawfontscale = dfs;
335         drawstring(position + expandingbox_resize_centered_box_offset(sz, theScale, textaspect), text, HUD_Scale(theScale * (sz / drawfontscale.x)), rgb, theAlpha * (1 - fadelerp), flag);
336         // width parameter:
337         //    (scale_x * sz / drawfontscale.x) * drawfontscale.x * SIZE1 / (scale_x * sz)
338         //    SIZE1
339         drawfontscale = hud_scale;
340 }
341
342 // drawstring wrapper to draw a string as large as possible with preserved aspect ratio into a box
343 void drawstring_aspect_expanding(vector pos, string text, vector sz, vector color, float theAlpha, float drawflag, float fadelerp) {
344         SET_POS_AND_SZ_Y_ASPECT(false);
345         drawstring_expanding(pos, text, '1 1 0' * sz.y, color, theAlpha, drawflag, fadelerp);
346 }
347
348 void drawcolorcodedstring_expanding(vector position, string text, vector theScale, float theAlpha, float flag, float fadelerp)
349 {
350         float sz;
351         sz = expandingbox_sizefactor_from_fadelerp(fadelerp);
352
353         drawfontscale = hud_scale * sz;
354         // eventually replace with drawcolorcodedstring
355         drawcolorcodedstring(position + expandingbox_resize_centered_box_offset(sz, theScale, stringwidth_builtin(text, true, theScale * (sz / drawfontscale.x)) / (theScale.x * sz)), text, theScale * (sz / drawfontscale.x), theAlpha * (1 - fadelerp), flag);
356         drawfontscale = hud_scale;
357 }
358
359 void drawcolorcodedstring_aspect_expanding(vector pos, string text, vector sz, float theAlpha, float drawflag, float fadelerp) {
360         SET_POS_AND_SZ_Y_ASPECT(true);
361         drawcolorcodedstring_expanding(pos, text, '1 1 0' * sz.y, theAlpha, drawflag, fadelerp);
362 }
363
364 void update_mousepos()
365 {
366         mousepos += getmousepos() * autocvar_menu_mouse_speed;
367         mousepos.x = bound(0, mousepos.x, vid_conwidth);
368         mousepos.y = bound(0, mousepos.y, vid_conheight);
369 }
370
371 // this draws the triangles of a model DIRECTLY. Don't expect high performance, really...
372 float PolyDrawModelSurface(entity e, float i_s)
373 {
374         float i_t;
375         float n_t;
376         vector tri;
377         string tex;
378         tex = getsurfacetexture(e, i_s);
379         if (!tex)
380                 return 0; // this is beyond the last one
381         n_t = getsurfacenumtriangles(e, i_s);
382         for(i_t = 0; i_t < n_t; ++i_t)
383         {
384                 tri = getsurfacetriangle(e, i_s, i_t);
385                 R_BeginPolygon(tex, 0);
386                 R_PolygonVertex(getsurfacepoint(e, i_s, tri.x), getsurfacepointattribute(e, i_s, tri.x, SPA_TEXCOORDS0), '1 1 1', 1);
387                 R_PolygonVertex(getsurfacepoint(e, i_s, tri.y), getsurfacepointattribute(e, i_s, tri.y, SPA_TEXCOORDS0), '1 1 1', 1);
388                 R_PolygonVertex(getsurfacepoint(e, i_s, tri.z), getsurfacepointattribute(e, i_s, tri.z, SPA_TEXCOORDS0), '1 1 1', 1);
389                 R_EndPolygon();
390         }
391         return 1;
392 }
393 void PolyDrawModel(entity e)
394 {
395         float i_s;
396         for(i_s = 0; ; ++i_s)
397                 if(!PolyDrawModelSurface(e, i_s))
398                         break;
399 }
400
401 void DrawCircleClippedPic(vector centre, float radi, string pic, float f, vector rgb, float a, float drawflag)
402 {
403         float d;
404         vector ringsize, v, t;
405         ringsize = radi * '1 1 0';
406         centre = HUD_Shift(centre);
407         ringsize = HUD_Scale(ringsize);
408
409         float co = cos(f * 2 * M_PI);
410         float si = sin(f * 2 * M_PI);
411         float q = fabs(co) + fabs(si);
412         co /= q;
413         si /= q;
414
415         if(f >= 1)
416         {
417                 // draw full rectangle
418                 R_BeginPolygon(pic, drawflag);
419                         v = centre;                     t = '0.5 0.5 0';
420                         v.x += 0.5 * ringsize.x;        t += '0.5 0.5 0';
421                         R_PolygonVertex(v, t, rgb, a);
422
423                         v = centre;                     t = '0.5 0.5 0';
424                         v.y += 0.5 * ringsize.y;        t += '0.5 -0.5 0';
425                         R_PolygonVertex(v, t, rgb, a);
426
427                         v = centre;                     t = '0.5 0.5 0';
428                         v.x -= 0.5 * ringsize.x;        t -= '0.5 0.5 0';
429                         R_PolygonVertex(v, t, rgb, a);
430
431                         v = centre;                     t = '0.5 0.5 0';
432                         v.y -= 0.5 * ringsize.y;        t -= '0.5 -0.5 0';
433                         R_PolygonVertex(v, t, rgb, a);
434                 R_EndPolygon();
435
436                 d = q - 1;
437                 if(d > 0)
438                 {
439                         R_BeginPolygon(pic, drawflag);
440                                 v = centre;                     t = '0.5 0.5 0';
441                                 R_PolygonVertex(v, t, rgb, a);
442
443                                 v = centre;                     t = '0.5 0.5 0';
444                                 v.x += 0.5 * ringsize.x;        t += '0.5 0.5 0';
445                                 R_PolygonVertex(v, t, rgb, a);
446                 }
447         }
448         else if(f > 0.75)
449         {
450                 // draw upper and first triangle
451                 R_BeginPolygon(pic, drawflag);
452                         v = centre;                     t = '0.5 0.5 0';
453                         v.x += 0.5 * ringsize.x;        t += '0.5 0.5 0';
454                         R_PolygonVertex(v, t, rgb, a);
455
456                         v = centre;                     t = '0.5 0.5 0';
457                         v.y += 0.5 * ringsize.y;        t += '0.5 -0.5 0';
458                         R_PolygonVertex(v, t, rgb, a);
459
460                         v = centre;                     t = '0.5 0.5 0';
461                         v.x -= 0.5 * ringsize.x;        t -= '0.5 0.5 0';
462                         R_PolygonVertex(v, t, rgb, a);
463                 R_EndPolygon();
464                 R_BeginPolygon(pic, drawflag);
465                         v = centre;                     t = '0.5 0.5 0';
466                         R_PolygonVertex(v, t, rgb, a);
467
468                         v = centre;                     t = '0.5 0.5 0';
469                         v.x -= 0.5 * ringsize.x;        t -= '0.5 0.5 0';
470                         R_PolygonVertex(v, t, rgb, a);
471
472                         v = centre;                     t = '0.5 0.5 0';
473                         v.y -= 0.5 * ringsize.y;        t -= '0.5 -0.5 0';
474                         R_PolygonVertex(v, t, rgb, a);
475
476                 d = q - 0.75;
477                 if(d <= 0)
478                         R_EndPolygon();
479         }
480         else if(f > 0.5)
481         {
482                 // draw upper triangle
483                 R_BeginPolygon(pic, drawflag);
484                         v = centre;                     t = '0.5 0.5 0';
485                         v.x += 0.5 * ringsize.x;        t += '0.5 0.5 0';
486                         R_PolygonVertex(v, t, rgb, a);
487
488                         v = centre;                     t = '0.5 0.5 0';
489                         v.y += 0.5 * ringsize.y;        t += '0.5 -0.5 0';
490                         R_PolygonVertex(v, t, rgb, a);
491
492                         v = centre;                     t = '0.5 0.5 0';
493                         v.x -= 0.5 * ringsize.x;        t -= '0.5 0.5 0';
494                         R_PolygonVertex(v, t, rgb, a);
495                 R_EndPolygon();
496
497                 d = q - 0.5;
498                 if(d > 0)
499                 {
500                         R_BeginPolygon(pic, drawflag);
501                                 v = centre;                     t = '0.5 0.5 0';
502                                 R_PolygonVertex(v, t, rgb, a);
503
504                                 v = centre;                     t = '0.5 0.5 0';
505                                 v.x -= 0.5 * ringsize.x;        t -= '0.5 0.5 0';
506                                 R_PolygonVertex(v, t, rgb, a);
507                 }
508         }
509         else if(f > 0.25)
510         {
511                 // draw first triangle
512                 R_BeginPolygon(pic, drawflag);
513                         v = centre;                     t = '0.5 0.5 0';
514                         R_PolygonVertex(v, t, rgb, a);
515
516                         v = centre;                     t = '0.5 0.5 0';
517                         v.x += 0.5 * ringsize.x;        t += '0.5 0.5 0';
518                         R_PolygonVertex(v, t, rgb, a);
519
520                         v = centre;                     t = '0.5 0.5 0';
521                         v.y += 0.5 * ringsize.y;        t += '0.5 -0.5 0';
522                         R_PolygonVertex(v, t, rgb, a);
523
524                 d = q - 0.25;
525                 if(d <= 0)
526                         R_EndPolygon();
527         }
528         else
529         {
530                 d = q;
531                 if(d > 0)
532                 {
533                         R_BeginPolygon(pic, drawflag);
534                                 v = centre;                     t = '0.5 0.5 0';
535                                 R_PolygonVertex(v, t, rgb, a);
536
537                                 v = centre;                     t = '0.5 0.5 0';
538                                 v.x += 0.5 * ringsize.x;        t += '0.5 0.5 0';
539                                 R_PolygonVertex(v, t, rgb, a);
540                 }
541         }
542
543         if(d > 0)
544         {
545                         v = centre;                     t = '0.5 0.5 0';
546                         v.x += co * 0.5 * ringsize.x;   t += co * '0.5 0.5 0';
547                         v.y += si * 0.5 * ringsize.y;   t += si * '0.5 -0.5 0';
548                         R_PolygonVertex(v, t, rgb, a);
549                 R_EndPolygon();
550         }
551 }
552
553 /** engine callback */
554 void URI_Get_Callback(int id, int status, string data)
555 {
556     TC(int, id); TC(int, status);
557         if(url_URI_Get_Callback(id, status, data))
558         {
559                 // handled
560         }
561         else if (id == URI_GET_DISCARD)
562         {
563                 // discard
564         }
565         else if (id >= URI_GET_CURL && id <= URI_GET_CURL_END)
566         {
567                 // sv_cmd curl
568                 Curl_URI_Get_Callback(id, status, data);
569         }
570         else
571         {
572                 LOG_INFOF("Received HTTP request data for an invalid id %d.", id);
573         }
574 }
575
576 void Accuracy_LoadLevels()
577 {
578         if(autocvar_accuracy_color_levels != acc_color_levels)
579         {
580                 strcpy(acc_color_levels, autocvar_accuracy_color_levels);
581                 acc_levels = tokenize_console(acc_color_levels);
582                 if(acc_levels > MAX_ACCURACY_LEVELS)
583                         acc_levels = MAX_ACCURACY_LEVELS;
584                 if(acc_levels < 2)
585                         LOG_INFO("Warning: accuracy_color_levels must contain at least 2 values");
586
587                 int i;
588                 for(i = 0; i < acc_levels; ++i)
589                         acc_lev[i] = stof(argv(i)) / 100.0;
590         }
591 }
592
593 void Accuracy_LoadColors()
594 {
595         if(time > acc_col_loadtime)
596         if(acc_levels >= 2)
597         {
598                 int i;
599                 for(i = 0; i < acc_levels; ++i)
600                         acc_col[i] = stov(cvar_string(strcat("accuracy_color", ftos(i))));
601                 acc_col_loadtime = time + 2;
602         }
603 }
604
605 vector Accuracy_GetColor(float accuracy)
606 {
607         float factor;
608         vector color;
609         if(acc_levels < 2)
610                 return '0 0 0'; // return black, can't determine the right color
611
612         // find the max level lower than acc
613         int j = acc_levels-1;
614         while(j && accuracy < acc_lev[j])
615                 --j;
616
617         // inject color j+1 in color j, how much depending on how much accuracy is higher than level j
618         factor = (accuracy - acc_lev[j]) / (acc_lev[j+1] - acc_lev[j]);
619         color = acc_col[j];
620         color = color + factor * (acc_col[j+1] - color);
621         return color;
622 }