1 string wordwrap_buffer;
3 void wordwrap_buffer_put(string s)
5 wordwrap_buffer = strcat(wordwrap_buffer, s);
8 string wordwrap(string s, float l)
12 wordwrap_cb(s, l, wordwrap_buffer_put);
20 void wordwrap_buffer_sprint(string s)
22 wordwrap_buffer = strcat(wordwrap_buffer, s);
25 sprint(self, wordwrap_buffer);
30 void wordwrap_sprint(string s, float l)
33 wordwrap_cb(s, l, wordwrap_buffer_sprint);
34 if(wordwrap_buffer != "")
35 sprint(self, strcat(wordwrap_buffer, "\n"));
42 string unescape(string in)
47 // but it doesn't seem to be necessary in my tests at least
52 for(i = 0; i < len; ++i)
54 s = substring(in, i, 1);
57 s = substring(in, i+1, 1);
59 str = strcat(str, "\n");
61 str = strcat(str, "\\");
63 str = strcat(str, substring(in, i, 2));
73 void wordwrap_cb(string s, float l, void(string) callback)
76 local float lleft, i, j, wlen;
80 for (i = 0;i < strlen(s);++i)
82 if (substring(s, i, 2) == "\\n")
88 else if (substring(s, i, 1) == "\n")
93 else if (substring(s, i, 1) == " ")
103 for (j = i+1;j < strlen(s);++j)
104 // ^^ this skips over the first character of a word, which
105 // is ALWAYS part of the word
106 // this is safe since if i+1 == strlen(s), i will become
107 // strlen(s)-1 at the end of this block and the function
108 // will terminate. A space can't be the first character we
109 // read here, and neither can a \n be the start, since these
110 // two cases have been handled above.
112 c = substring(s, j, 1);
119 // we need to keep this tempstring alive even if substring is
120 // called repeatedly, so call strcat even though we're not
130 callback(substring(s, i, wlen));
131 lleft = lleft - wlen;
138 float dist_point_line(vector p, vector l0, vector ldir)
140 ldir = normalize(ldir);
142 // remove the component in line direction
143 p = p - (p * ldir) * ldir;
145 // vlen of the remaining vector
149 void depthfirst(entity start, .entity up, .entity downleft, .entity right, void(entity, entity) funcPre, void(entity, entity) funcPost, entity pass)
178 float median(float a, float b, float c)
181 return bound(a, b, c);
182 return bound(c, b, a);
185 // converts a number to a string with the indicated number of decimals
186 // works for up to 10 decimals!
187 string ftos_decimals(float number, float decimals)
193 // if negative, cut off the sign first
195 return strcat("-", ftos_decimals(-number, decimals));
196 // it now is always positive!
199 number = floor(number * pow(10, decimals) + 0.5);
202 result = ftos(number);
203 len = strlen(result);
204 // does it have a decimal point (should not happen)? If there is one, it is always at len-7)
205 // if ftos had messed it up, which should never happen: "34278.000000"
207 if(substring(result, len - 7, 1) == ".")
209 dprint("ftos(integer) has comma? Can't be. Affected result: ", result, "\n");
210 result = substring(result, 0, len - 7);
215 return result; // don't insert a point for zero decimals
216 // is it too short? If yes, insert leading zeroes
219 result = strcat(substring("0000000000", 0, decimals - len + 1), result);
222 // and now... INSERT THE POINT!
223 tmp = substring(result, len - decimals, decimals);
224 result = strcat(substring(result, 0, len - decimals), ".", tmp);
229 vector colormapPaletteColor(float c, float isPants)
233 case 0: return '0.800000 0.800000 0.800000';
234 case 1: return '0.600000 0.400000 0.000000';
235 case 2: return '0.000000 1.000000 0.501961';
236 case 3: return '0.000000 1.000000 0.000000';
237 case 4: return '1.000000 0.000000 0.000000';
238 case 5: return '0.000000 0.658824 1.000000';
239 case 6: return '0.000000 1.000000 1.000000';
240 case 7: return '0.501961 1.000000 0.000000';
241 case 8: return '0.501961 0.000000 1.000000';
242 case 9: return '1.000000 0.000000 1.000000';
243 case 10: return '1.000000 0.000000 0.501961';
244 case 11: return '0.600000 0.600000 0.600000';
245 case 12: return '1.000000 1.000000 0.000000';
246 case 13: return '0.000000 0.313725 1.000000';
247 case 14: return '1.000000 0.501961 0.000000';
251 '1 0 0' * (0.502 + 0.498 * sin(time / 2.7182818285 + 0.0000000000))
252 + '0 1 0' * (0.502 + 0.498 * sin(time / 2.7182818285 + 2.0943951024))
253 + '0 0 1' * (0.502 + 0.498 * sin(time / 2.7182818285 + 4.1887902048));
256 '1 0 0' * (0.502 + 0.498 * sin(time / 3.1415926536 + 5.2359877560))
257 + '0 1 0' * (0.502 + 0.498 * sin(time / 3.1415926536 + 3.1415926536))
258 + '0 0 1' * (0.502 + 0.498 * sin(time / 3.1415926536 + 1.0471975512));
259 default: return '0.000 0.000 0.000';
263 // unzone the string, and return it as tempstring. Safe to be called on string_null
264 string fstrunzone(string s)
274 // Databases (hash tables)
275 #define DB_BUCKETS 8192
276 void db_save(float db, string pFilename)
279 fh = fopen(pFilename, FILE_WRITE);
282 print(strcat("^1Can't write DB to ", pFilename));
286 fputs(fh, strcat(ftos(DB_BUCKETS), "\n"));
287 for(i = 0; i < n; ++i)
288 fputs(fh, strcat(bufstr_get(db, i), "\n"));
297 float db_load(string pFilename)
299 float db, fh, i, j, n;
304 fh = fopen(pFilename, FILE_READ);
307 if(stof(fgets(fh)) == DB_BUCKETS)
310 while((l = fgets(fh)))
313 bufstr_set(db, i, l);
319 // different count of buckets?
320 // need to reorganize the database then (SLOW)
321 while((l = fgets(fh)))
323 n = tokenizebyseparator(l, "\\");
324 for(j = 2; j < n; j += 2)
325 db_put(db, argv(j-1), uri_unescape(argv(j)));
332 void db_dump(float db, string pFilename)
334 float fh, i, j, n, m;
335 fh = fopen(pFilename, FILE_WRITE);
337 error(strcat("Can't dump DB to ", pFilename));
340 for(i = 0; i < n; ++i)
342 m = tokenizebyseparator(bufstr_get(db, i), "\\");
343 for(j = 2; j < m; j += 2)
344 fputs(fh, strcat("\\", argv(j-1), "\\", argv(j), "\n"));
349 void db_close(float db)
354 string db_get(float db, string pKey)
357 h = mod(crc16(FALSE, pKey), DB_BUCKETS);
358 return uri_unescape(infoget(bufstr_get(db, h), pKey));
361 void db_put(float db, string pKey, string pValue)
364 h = mod(crc16(FALSE, pKey), DB_BUCKETS);
365 bufstr_set(db, h, infoadd(bufstr_get(db, h), pKey, uri_escape(pValue)));
372 db = db_load("foo.db");
373 print("LOADED. FILL...\n");
374 for(i = 0; i < DB_BUCKETS; ++i)
375 db_put(db, ftos(random()), "X");
376 print("FILLED. SAVE...\n");
377 db_save(db, "foo.db");
378 print("SAVED. CLOSE...\n");
383 // Multiline text file buffers
384 float buf_load(string pFilename)
391 fh = fopen(pFilename, FILE_READ);
395 while((l = fgets(fh)))
397 bufstr_set(buf, i, l);
404 void buf_save(float buf, string pFilename)
407 fh = fopen(pFilename, FILE_WRITE);
409 error(strcat("Can't write buf to ", pFilename));
410 n = buf_getsize(buf);
411 for(i = 0; i < n; ++i)
412 fputs(fh, strcat(bufstr_get(buf, i), "\n"));
416 string GametypeNameFromType(float g)
418 if (g == GAME_DEATHMATCH) return "dm";
419 else if (g == GAME_TEAM_DEATHMATCH) return "tdm";
420 else if (g == GAME_DOMINATION) return "dom";
421 else if (g == GAME_CTF) return "ctf";
422 else if (g == GAME_RUNEMATCH) return "rune";
423 else if (g == GAME_LMS) return "lms";
424 else if (g == GAME_ARENA) return "arena";
425 else if (g == GAME_KEYHUNT) return "kh";
426 else if (g == GAME_ONSLAUGHT) return "ons";
427 else if (g == GAME_ASSAULT) return "as";
428 else if (g == GAME_RACE) return "rc";
429 else if (g == GAME_NEXBALL) return "nexball";
430 else if (g == GAME_CTS) return "cts";
434 string mmsss(float tenths)
438 tenths = floor(tenths + 0.5);
439 minutes = floor(tenths / 600);
440 tenths -= minutes * 600;
441 s = ftos(1000 + tenths);
442 return strcat(ftos(minutes), ":", substring(s, 1, 2), ".", substring(s, 3, 1));
445 string mmssss(float hundredths)
449 hundredths = floor(hundredths + 0.5);
450 minutes = floor(hundredths / 6000);
451 hundredths -= minutes * 6000;
452 s = ftos(10000 + hundredths);
453 return strcat(ftos(minutes), ":", substring(s, 1, 2), ".", substring(s, 3, 2));
456 string ScoreString(float pFlags, float pValue)
461 pValue = floor(pValue + 0.5); // round
463 if((pValue == 0) && (pFlags & (SFL_HIDE_ZERO | SFL_RANK | SFL_TIME)))
465 else if(pFlags & SFL_RANK)
467 valstr = ftos(pValue);
469 if((l >= 2) && (substring(valstr, l - 2, 1) == "1"))
470 valstr = strcat(valstr, "th");
471 else if(substring(valstr, l - 1, 1) == "1")
472 valstr = strcat(valstr, "st");
473 else if(substring(valstr, l - 1, 1) == "2")
474 valstr = strcat(valstr, "nd");
475 else if(substring(valstr, l - 1, 1) == "3")
476 valstr = strcat(valstr, "rd");
478 valstr = strcat(valstr, "th");
480 else if(pFlags & SFL_TIME)
481 valstr = TIME_ENCODED_TOSTRING(pValue);
483 valstr = ftos(pValue);
488 vector cross(vector a, vector b)
491 '1 0 0' * (a_y * b_z - a_z * b_y)
492 + '0 1 0' * (a_z * b_x - a_x * b_z)
493 + '0 0 1' * (a_x * b_y - a_y * b_x);
496 // compressed vector format:
497 // like MD3, just even shorter
498 // 4 bit pitch (16 angles), 0 is -90, 8 is 0, 16 would be 90
499 // 5 bit yaw (32 angles), 0=0, 8=90, 16=180, 24=270
500 // 7 bit length (logarithmic encoding), 1/8 .. about 7844
501 // length = 2^(length_encoded/8) / 8
502 // if pitch is 90, yaw does nothing and therefore indicates the sign (yaw is then either 11111 or 11110); 11111 is pointing DOWN
503 // thus, valid values are from 0000.11110.0000000 to 1111.11111.1111111
504 // the special value 0 indicates the zero vector
506 float lengthLogTable[128];
508 float invertLengthLog(float x)
510 float l, r, m, lerr, rerr;
512 if(x >= lengthLogTable[127])
514 if(x <= lengthLogTable[0])
522 m = floor((l + r) / 2);
523 if(lengthLogTable[m] < x)
529 // now: r is >=, l is <
530 lerr = (x - lengthLogTable[l]);
531 rerr = (lengthLogTable[r] - x);
537 vector decompressShortVector(float data)
540 float pitch, yaw, len;
543 pitch = (data & 0xF000) / 0x1000;
544 yaw = (data & 0x0F80) / 0x80;
545 len = (data & 0x007F);
547 //print("\ndecompress: pitch ", ftos(pitch)); print("yaw ", ftos(yaw)); print("len ", ftos(len), "\n");
560 yaw = .19634954084936207740 * yaw;
561 pitch = .19634954084936207740 * pitch - 1.57079632679489661922;
562 out_x = cos(yaw) * cos(pitch);
563 out_y = sin(yaw) * cos(pitch);
567 //print("decompressed: ", vtos(out), "\n");
569 return out * lengthLogTable[len];
572 float compressShortVector(vector vec)
575 float pitch, yaw, len;
578 //print("compress: ", vtos(vec), "\n");
579 ang = vectoangles(vec);
583 if(ang_x < -90 && ang_x > +90)
584 error("BOGUS vectoangles");
585 //print("angles: ", vtos(ang), "\n");
587 pitch = floor(0.5 + (ang_x + 90) * 16 / 180) & 15; // -90..90 to 0..14
596 yaw = floor(0.5 + ang_y * 32 / 360) & 31; // 0..360 to 0..32
597 len = invertLengthLog(vlen(vec));
599 //print("compressed: pitch ", ftos(pitch)); print("yaw ", ftos(yaw)); print("len ", ftos(len), "\n");
601 return (pitch * 0x1000) + (yaw * 0x80) + len;
604 void compressShortVector_init()
609 for(i = 0; i < 128; ++i)
611 lengthLogTable[i] = l;
615 if(cvar("developer"))
617 print("Verifying vector compression table...\n");
618 for(i = 0x0F00; i < 0xFFFF; ++i)
619 if(i != compressShortVector(decompressShortVector(i)))
621 print("BROKEN vector compression: ", ftos(i));
622 print(" -> ", vtos(decompressShortVector(i)));
623 print(" -> ", ftos(compressShortVector(decompressShortVector(i))));
632 float CheckWireframeBox(entity forent, vector v0, vector dvx, vector dvy, vector dvz)
634 traceline(v0, v0 + dvx, TRUE, forent); if(trace_fraction < 1) return 0;
635 traceline(v0, v0 + dvy, TRUE, forent); if(trace_fraction < 1) return 0;
636 traceline(v0, v0 + dvz, TRUE, forent); if(trace_fraction < 1) return 0;
637 traceline(v0 + dvx, v0 + dvx + dvy, TRUE, forent); if(trace_fraction < 1) return 0;
638 traceline(v0 + dvx, v0 + dvx + dvz, TRUE, forent); if(trace_fraction < 1) return 0;
639 traceline(v0 + dvy, v0 + dvy + dvx, TRUE, forent); if(trace_fraction < 1) return 0;
640 traceline(v0 + dvy, v0 + dvy + dvz, TRUE, forent); if(trace_fraction < 1) return 0;
641 traceline(v0 + dvz, v0 + dvz + dvx, TRUE, forent); if(trace_fraction < 1) return 0;
642 traceline(v0 + dvz, v0 + dvz + dvy, TRUE, forent); if(trace_fraction < 1) return 0;
643 traceline(v0 + dvx + dvy, v0 + dvx + dvy + dvz, TRUE, forent); if(trace_fraction < 1) return 0;
644 traceline(v0 + dvx + dvz, v0 + dvx + dvy + dvz, TRUE, forent); if(trace_fraction < 1) return 0;
645 traceline(v0 + dvy + dvz, v0 + dvx + dvy + dvz, TRUE, forent); if(trace_fraction < 1) return 0;
649 void fixedmakevectors(vector a)
651 // a makevectors that actually inverts vectoangles
657 string fixPriorityList(string order, float from, float to, float subtract, float complete)
662 n = tokenize_console(order);
663 for(i = 0; i < n; ++i)
668 if(w >= from && w <= to)
669 neworder = strcat(neworder, ftos(w), " ");
673 if(w >= from && w <= to)
674 neworder = strcat(neworder, ftos(w), " ");
681 n = tokenize_console(neworder);
682 for(w = to; w >= from; --w)
684 for(i = 0; i < n; ++i)
685 if(stof(argv(i)) == w)
687 if(i == n) // not found
688 neworder = strcat(neworder, ftos(w), " ");
692 return substring(neworder, 0, strlen(neworder) - 1);
695 string swapInPriorityList(string order, float i, float j)
700 n = tokenize_console(order);
702 if(i >= 0 && i < n && j >= 0 && j < n && i != j)
705 for(w = 0; w < n; ++w)
708 s = strcat(s, argv(j), " ");
710 s = strcat(s, argv(i), " ");
712 s = strcat(s, argv(w), " ");
714 return substring(s, 0, strlen(s) - 1);
720 float cvar_value_issafe(string s)
722 if(strstrofs(s, "\"", 0) >= 0)
724 if(strstrofs(s, "\\", 0) >= 0)
726 if(strstrofs(s, ";", 0) >= 0)
728 if(strstrofs(s, "$", 0) >= 0)
730 if(strstrofs(s, "\r", 0) >= 0)
732 if(strstrofs(s, "\n", 0) >= 0)
738 void get_mi_min_max(float mode)
743 strunzone(mi_shortname);
744 mi_shortname = mapname;
745 if(!strcasecmp(substring(mi_shortname, 0, 5), "maps/"))
746 mi_shortname = substring(mi_shortname, 5, strlen(mi_shortname) - 5);
747 if(!strcasecmp(substring(mi_shortname, strlen(mi_shortname) - 4, 4), ".bsp"))
748 mi_shortname = substring(mi_shortname, 0, strlen(mi_shortname) - 4);
749 mi_shortname = strzone(mi_shortname);
761 MapInfo_Get_ByName(mi_shortname, 0, 0);
762 if(MapInfo_Map_mins_x < MapInfo_Map_maxs_x)
764 mi_min = MapInfo_Map_mins;
765 mi_max = MapInfo_Map_maxs;
773 tracebox('1 0 0' * mi_x,
774 '0 1 0' * mi_y + '0 0 1' * mi_z,
775 '0 1 0' * ma_y + '0 0 1' * ma_z,
779 if(!trace_startsolid)
780 mi_min_x = trace_endpos_x;
782 tracebox('0 1 0' * mi_y,
783 '1 0 0' * mi_x + '0 0 1' * mi_z,
784 '1 0 0' * ma_x + '0 0 1' * ma_z,
788 if(!trace_startsolid)
789 mi_min_y = trace_endpos_y;
791 tracebox('0 0 1' * mi_z,
792 '1 0 0' * mi_x + '0 1 0' * mi_y,
793 '1 0 0' * ma_x + '0 1 0' * ma_y,
797 if(!trace_startsolid)
798 mi_min_z = trace_endpos_z;
800 tracebox('1 0 0' * ma_x,
801 '0 1 0' * mi_y + '0 0 1' * mi_z,
802 '0 1 0' * ma_y + '0 0 1' * ma_z,
806 if(!trace_startsolid)
807 mi_max_x = trace_endpos_x;
809 tracebox('0 1 0' * ma_y,
810 '1 0 0' * mi_x + '0 0 1' * mi_z,
811 '1 0 0' * ma_x + '0 0 1' * ma_z,
815 if(!trace_startsolid)
816 mi_max_y = trace_endpos_y;
818 tracebox('0 0 1' * ma_z,
819 '1 0 0' * mi_x + '0 1 0' * mi_y,
820 '1 0 0' * ma_x + '0 1 0' * ma_y,
824 if(!trace_startsolid)
825 mi_max_z = trace_endpos_z;
830 void get_mi_min_max_texcoords(float mode)
834 get_mi_min_max(mode);
839 // extend mi_picmax to get a square aspect ratio
840 // center the map in that area
841 extend = mi_picmax - mi_picmin;
842 if(extend_y > extend_x)
844 mi_picmin_x -= (extend_y - extend_x) * 0.5;
845 mi_picmax_x += (extend_y - extend_x) * 0.5;
849 mi_picmin_y -= (extend_x - extend_y) * 0.5;
850 mi_picmax_y += (extend_x - extend_y) * 0.5;
853 // add another some percent
854 extend = (mi_picmax - mi_picmin) * (1 / 64.0);
858 // calculate the texcoords
859 mi_pictexcoord0 = mi_pictexcoord1 = mi_pictexcoord2 = mi_pictexcoord3 = '0 0 0';
860 // first the two corners of the origin
861 mi_pictexcoord0_x = (mi_min_x - mi_picmin_x) / (mi_picmax_x - mi_picmin_x);
862 mi_pictexcoord0_y = (mi_min_y - mi_picmin_y) / (mi_picmax_y - mi_picmin_y);
863 mi_pictexcoord2_x = (mi_max_x - mi_picmin_x) / (mi_picmax_x - mi_picmin_x);
864 mi_pictexcoord2_y = (mi_max_y - mi_picmin_y) / (mi_picmax_y - mi_picmin_y);
865 // then the other corners
866 mi_pictexcoord1_x = mi_pictexcoord0_x;
867 mi_pictexcoord1_y = mi_pictexcoord2_y;
868 mi_pictexcoord3_x = mi_pictexcoord2_x;
869 mi_pictexcoord3_y = mi_pictexcoord0_y;
874 void cvar_settemp(string pKey, string pValue)
876 error("cvar_settemp called from CSQC - use cvar_clientsettemp instead!");
878 void cvar_settemp_restore()
880 error("cvar_settemp_restore called from CSQC - use cvar_clientsettemp instead!");
883 void cvar_settemp(string pKey, string pValue)
887 if(cvar_string(pKey) == pValue)
889 i = cvar("settemp_idx");
890 cvar_set("settemp_idx", ftos(i+1));
891 settemp_var = strcat("_settemp_x", ftos(i));
893 registercvar(settemp_var, "", 0);
895 registercvar(settemp_var, "");
897 cvar_set("settemp_list", strcat("1 ", pKey, " ", settemp_var, " ", cvar_string("settemp_list")));
898 cvar_set(settemp_var, cvar_string(pKey));
899 cvar_set(pKey, pValue);
902 void cvar_settemp_restore()
904 // undo what cvar_settemp did
906 n = tokenize_console(cvar_string("settemp_list"));
907 for(i = 0; i < n - 3; i += 3)
908 cvar_set(argv(i + 1), cvar_string(argv(i + 2)));
909 cvar_set("settemp_list", "0");
913 float almost_equals(float a, float b)
916 eps = (max(a, -a) + max(b, -b)) * 0.001;
917 if(a - b < eps && b - a < eps)
922 float almost_in_bounds(float a, float b, float c)
925 eps = (max(a, -a) + max(c, -c)) * 0.001;
926 return b == median(a - eps, b, c + eps);
929 float power2of(float e)
933 float log2of(float x)
935 // NOTE: generated code
1008 float rgb_mi_ma_to_hue(vector rgb, float mi, float ma)
1012 else if(ma == rgb_x)
1015 return (rgb_y - rgb_z) / (ma - mi);
1017 return (rgb_y - rgb_z) / (ma - mi) + 6;
1019 else if(ma == rgb_y)
1020 return (rgb_z - rgb_x) / (ma - mi) + 2;
1021 else // if(ma == rgb_z)
1022 return (rgb_x - rgb_y) / (ma - mi) + 4;
1025 vector hue_mi_ma_to_rgb(float hue, float mi, float ma)
1029 hue -= 6 * floor(hue / 6);
1031 //else if(ma == rgb_x)
1032 // hue = 60 * (rgb_y - rgb_z) / (ma - mi);
1036 rgb_y = hue * (ma - mi) + mi;
1039 //else if(ma == rgb_y)
1040 // hue = 60 * (rgb_z - rgb_x) / (ma - mi) + 120;
1043 rgb_x = (2 - hue) * (ma - mi) + mi;
1051 rgb_z = (hue - 2) * (ma - mi) + mi;
1053 //else // if(ma == rgb_z)
1054 // hue = 60 * (rgb_x - rgb_y) / (ma - mi) + 240;
1058 rgb_y = (4 - hue) * (ma - mi) + mi;
1063 rgb_x = (hue - 4) * (ma - mi) + mi;
1067 //else if(ma == rgb_x)
1068 // hue = 60 * (rgb_y - rgb_z) / (ma - mi);
1069 else // if(hue <= 6)
1073 rgb_z = (6 - hue) * (ma - mi) + mi;
1079 vector rgb_to_hsv(vector rgb)
1084 mi = min3(rgb_x, rgb_y, rgb_z);
1085 ma = max3(rgb_x, rgb_y, rgb_z);
1087 hsv_x = rgb_mi_ma_to_hue(rgb, mi, ma);
1098 vector hsv_to_rgb(vector hsv)
1100 return hue_mi_ma_to_rgb(hsv_x, hsv_z * (1 - hsv_y), hsv_z);
1103 vector rgb_to_hsl(vector rgb)
1108 mi = min3(rgb_x, rgb_y, rgb_z);
1109 ma = max3(rgb_x, rgb_y, rgb_z);
1111 hsl_x = rgb_mi_ma_to_hue(rgb, mi, ma);
1113 hsl_z = 0.5 * (mi + ma);
1116 else if(hsl_z <= 0.5)
1117 hsl_y = (ma - mi) / (2*hsl_z);
1118 else // if(hsl_z > 0.5)
1119 hsl_y = (ma - mi) / (2 - 2*hsl_z);
1124 vector hsl_to_rgb(vector hsl)
1126 float mi, ma, maminusmi;
1129 maminusmi = hsl_y * 2 * hsl_z;
1131 maminusmi = hsl_y * (2 - 2 * hsl_z);
1133 // hsl_z = 0.5 * mi + 0.5 * ma
1134 // maminusmi = - mi + ma
1135 mi = hsl_z - 0.5 * maminusmi;
1136 ma = hsl_z + 0.5 * maminusmi;
1138 return hue_mi_ma_to_rgb(hsl_x, mi, ma);
1141 string rgb_to_hexcolor(vector rgb)
1146 DEC_TO_HEXDIGIT(floor(rgb_x * 15 + 0.5)),
1147 DEC_TO_HEXDIGIT(floor(rgb_y * 15 + 0.5)),
1148 DEC_TO_HEXDIGIT(floor(rgb_z * 15 + 0.5))
1152 // requires that m2>m1 in all coordinates, and that m4>m3
1153 float boxesoverlap(vector m1, vector m2, vector m3, vector m4) {return m2_x >= m3_x && m1_x <= m4_x && m2_y >= m3_y && m1_y <= m4_y && m2_z >= m3_z && m1_z <= m4_z;};
1155 // requires the same, but is a stronger condition
1156 float boxinsidebox(vector smins, vector smaxs, vector bmins, vector bmaxs) {return smins_x >= bmins_x && smaxs_x <= bmaxs_x && smins_y >= bmins_y && smaxs_y <= bmaxs_y && smins_z >= bmins_z && smaxs_z <= bmaxs_z;};
1159 // angles transforms
1160 // angles in fixedmakevectors/fixedvectoangles space
1161 vector AnglesTransform_Apply(vector transform, vector v)
1163 fixedmakevectors(transform);
1164 return v_forward * v_x
1169 vector AnglesTransform_Multiply(vector t1, vector t2)
1171 vector m_forward, m_up;
1172 fixedmakevectors(t2); m_forward = v_forward; m_up = v_up;
1173 m_forward = AnglesTransform_Apply(t1, m_forward); m_up = AnglesTransform_Apply(t1, m_up);
1174 return fixedvectoangles2(m_forward, m_up);
1177 vector AnglesTransform_Invert(vector transform)
1179 vector i_forward, i_up;
1180 fixedmakevectors(transform);
1181 // we want angles that turn v_forward into '1 0 0', v_right into '0 1 0' and v_up into '0 0 1'
1182 // but these are orthogonal unit vectors!
1183 // so to invert, we can simply fixedvectoangles the TRANSPOSED matrix
1184 // TODO is this always -transform?
1185 i_forward_x = v_forward_x;
1186 i_forward_y = -v_right_x;
1187 i_forward_z = v_up_x;
1188 i_up_x = v_forward_z;
1189 i_up_y = -v_right_z;
1191 return fixedvectoangles2(i_forward, i_up);
1194 vector AnglesTransform_TurnDirection(vector transform)
1196 // turn 180 degrees around v_up
1197 // changes in-direction to out-direction
1198 fixedmakevectors(transform);
1199 return fixedvectoangles2(-1 * v_forward, 1 * v_up);
1202 vector AnglesTransform_Divide(vector to_transform, vector from_transform)
1204 return AnglesTransform_Multiply(to_transform, AnglesTransform_Invert(from_transform));
1208 float textLengthUpToWidth(string theText, float maxWidth, textLengthUpToWidth_widthFunction_t w)
1210 float ICanHasKallerz;
1212 // detect color codes support in the width function
1213 ICanHasKallerz = (w("^7") == 0);
1216 // The following function is SLOW.
1217 // For your safety and for the protection of those around you...
1218 // DO NOT CALL THIS AT HOME.
1219 // No really, don't.
1220 if(w(theText) <= maxWidth)
1221 return strlen(theText); // yeah!
1223 // binary search for right place to cut string
1225 float left, right, middle; // this always works
1227 right = strlen(theText); // this always fails
1230 middle = floor((left + right) / 2);
1231 if(w(substring(theText, 0, middle)) <= maxWidth)
1236 while(left < right - 1);
1240 // NOTE: when color codes are involved, this binary search is,
1241 // mathematically, BROKEN. However, it is obviously guaranteed to
1242 // terminate, as the range still halves each time - but nevertheless, it is
1243 // guaranteed that it finds ONE valid cutoff place (where "left" is in
1244 // range, and "right" is outside).
1246 // terencehill: the following code detects truncated ^xrgb tags (e.g. ^x or ^x4)
1247 // and decrease left on the basis of the chars detected of the truncated tag
1248 // Even if the ^xrgb tag is not complete/correct, left is decreased
1249 // (sometimes too much but with a correct result)
1250 // it fixes also ^[0-9]
1251 while(left >= 1 && substring(theText, left-1, 1) == "^")
1254 if (left >= 2 && substring(theText, left-2, 2) == "^x") // ^x/
1256 else if (left >= 3 && substring(theText, left-3, 2) == "^x")
1258 ch = str2chr(theText, left-1);
1259 if( (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F') ) // ^xr/
1262 else if (left >= 4 && substring(theText, left-4, 2) == "^x")
1264 ch = str2chr(theText, left-2);
1265 if ( (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F') )
1267 ch = str2chr(theText, left-1);
1268 if ( (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F') ) // ^xrg/
1277 string getWrappedLine(float w, textLengthUpToWidth_widthFunction_t tw)
1283 s = getWrappedLine_remaining;
1285 cantake = textLengthUpToWidth(s, w, tw);
1286 if(cantake > 0 && cantake < strlen(s))
1289 while(take > 0 && substring(s, take, 1) != " ")
1293 getWrappedLine_remaining = substring(s, cantake, strlen(s) - cantake);
1294 if(getWrappedLine_remaining == "")
1295 getWrappedLine_remaining = string_null;
1296 return substring(s, 0, cantake);
1300 getWrappedLine_remaining = substring(s, take + 1, strlen(s) - take);
1301 if(getWrappedLine_remaining == "")
1302 getWrappedLine_remaining = string_null;
1303 return substring(s, 0, take);
1308 getWrappedLine_remaining = string_null;
1313 string textShortenToWidth(string theText, float maxWidth, textLengthUpToWidth_widthFunction_t tw)
1315 if(tw(theText) <= maxWidth)
1318 return strcat(substring(theText, 0, textLengthUpToWidth(theText, maxWidth - tw("..."), tw)), "...");
1321 float isGametypeInFilter(float gt, float tp, string pattern)
1323 string subpattern, subpattern2, subpattern3;
1324 subpattern = strcat(",", GametypeNameFromType(gt), ",");
1326 subpattern2 = ",teams,";
1328 subpattern2 = ",noteams,";
1329 if(gt == GAME_RACE || gt == GAME_CTS)
1330 subpattern3 = ",race,";
1332 subpattern3 = string_null;
1334 if(substring(pattern, 0, 1) == "-")
1336 pattern = substring(pattern, 1, strlen(pattern) - 1);
1337 if(strstrofs(strcat(",", pattern, ","), subpattern, 0) >= 0)
1339 if(strstrofs(strcat(",", pattern, ","), subpattern2, 0) >= 0)
1341 if(subpattern3 && strstrofs(strcat(",", pattern, ","), subpattern3, 0) >= 0)
1346 if(substring(pattern, 0, 1) == "+")
1347 pattern = substring(pattern, 1, strlen(pattern) - 1);
1348 if(strstrofs(strcat(",", pattern, ","), subpattern, 0) < 0)
1349 if(strstrofs(strcat(",", pattern, ","), subpattern2, 0) < 0)
1350 if((!subpattern3) || strstrofs(strcat(",", pattern, ","), subpattern3, 0) < 0)
1356 void shuffle(float n, swapfunc_t swap, entity pass)
1359 for(i = 1; i < n; ++i)
1361 // swap i-th item at a random position from 0 to i
1362 // proof for even distribution:
1365 // item n+1 gets at any position with chance 1/(n+1)
1366 // all others will get their 1/n chance reduced by factor n/(n+1)
1367 // to be on place n+1, their chance will be 1/(n+1)
1368 // 1/n * n/(n+1) = 1/(n+1)
1370 j = floor(random() * (i + 1));
1376 string substring_range(string s, float b, float e)
1378 return substring(s, b, e - b);
1381 string swapwords(string str, float i, float j)
1384 string s1, s2, s3, s4, s5;
1385 float si, ei, sj, ej, s0, en;
1386 n = tokenizebyseparator(str, " "); // must match g_maplist processing in ShuffleMaplist and "shuffle"
1387 si = argv_start_index(i);
1388 sj = argv_start_index(j);
1389 ei = argv_end_index(i);
1390 ej = argv_end_index(j);
1391 s0 = argv_start_index(0);
1392 en = argv_end_index(n-1);
1393 s1 = substring_range(str, s0, si);
1394 s2 = substring_range(str, si, ei);
1395 s3 = substring_range(str, ei, sj);
1396 s4 = substring_range(str, sj, ej);
1397 s5 = substring_range(str, ej, en);
1398 return strcat(s1, s4, s3, s2, s5);
1401 string _shufflewords_str;
1402 void _shufflewords_swapfunc(float i, float j, entity pass)
1404 _shufflewords_str = swapwords(_shufflewords_str, i, j);
1406 string shufflewords(string str)
1409 _shufflewords_str = str;
1410 n = tokenizebyseparator(str, " ");
1411 shuffle(n, _shufflewords_swapfunc, world);
1412 str = _shufflewords_str;
1413 _shufflewords_str = string_null;
1417 vector solve_quadratic(float a, float b, float c) // ax^2 + bx + c = 0
1433 // actually, every number solves the equation!
1444 if(a > 0) // put the smaller solution first
1446 v_x = ((-b)-D) / (2*a);
1447 v_y = ((-b)+D) / (2*a);
1451 v_x = (-b+D) / (2*a);
1452 v_y = (-b-D) / (2*a);
1458 // complex solutions!
1472 float _unacceptable_compiler_bug_1_a(float b, float c) { return b == c; }
1473 float _unacceptable_compiler_bug_1_b() { return 1; }
1474 float _unacceptable_compiler_bug_1_c(float d) { return 2 * d; }
1475 float _unacceptable_compiler_bug_1_d() { return 1; }
1477 void check_unacceptable_compiler_bugs()
1479 if(cvar("_allow_unacceptable_compiler_bugs"))
1481 tokenize_console("foo bar");
1482 if(strcat(argv(0), substring("foo bar", 4, 7 - argv_start_index(1))) == "barbar")
1483 error("fteqcc bug introduced with revision 3178 detected. Please upgrade fteqcc to a later revision, downgrade fteqcc to revision 3177, or pester Spike until he fixes it. You can set _allow_unacceptable_compiler_bugs 1 to skip this check, but expect stuff to be horribly broken then.");
1486 float compressShotOrigin(vector v)
1490 y = rint(v_y * 4) + 128;
1491 z = rint(v_z * 4) + 128;
1492 if(x > 255 || x < 0)
1493 error("shot origin x out of bounds");
1494 if(y > 255 || y < 0)
1495 error("shot origin y out of bounds");
1496 if(z > 255 || z < 0)
1497 error("shot origin z out of bounds");
1498 return x * 0x10000 + y * 0x100 + z;
1500 vector decompressShotOrigin(float f)
1503 v_x = ((f & 0xFF0000) / 0x10000) / 2;
1504 v_y = ((f & 0xFF00) / 0x100 - 128) / 4;
1505 v_z = ((f & 0xFF) - 128) / 4;
1509 void heapsort(float n, swapfunc_t swap, comparefunc_t cmp, entity pass)
1511 float start, end, root, child;
1514 start = floor((n - 2) / 2);
1517 // siftdown(start, count-1);
1519 while(root * 2 + 1 <= n-1)
1521 child = root * 2 + 1;
1523 if(cmp(child, child+1, pass) < 0)
1525 if(cmp(root, child, pass) < 0)
1527 swap(root, child, pass);
1543 // siftdown(0, end);
1545 while(root * 2 + 1 <= end)
1547 child = root * 2 + 1;
1548 if(child < end && cmp(child, child+1, pass) < 0)
1550 if(cmp(root, child, pass) < 0)
1552 swap(root, child, pass);
1562 void RandomSelection_Init()
1564 RandomSelection_totalweight = 0;
1565 RandomSelection_chosen_ent = world;
1566 RandomSelection_chosen_float = 0;
1567 RandomSelection_chosen_string = string_null;
1568 RandomSelection_best_priority = -1;
1570 void RandomSelection_Add(entity e, float f, string s, float weight, float priority)
1572 if(priority > RandomSelection_best_priority)
1574 RandomSelection_best_priority = priority;
1575 RandomSelection_chosen_ent = e;
1576 RandomSelection_chosen_float = f;
1577 RandomSelection_chosen_string = s;
1578 RandomSelection_totalweight = weight;
1580 else if(priority == RandomSelection_best_priority)
1582 RandomSelection_totalweight += weight;
1583 if(random() * RandomSelection_totalweight <= weight)
1585 RandomSelection_chosen_ent = e;
1586 RandomSelection_chosen_float = f;
1587 RandomSelection_chosen_string = s;
1592 vector healtharmor_maxdamage(float h, float a, float armorblock)
1594 // NOTE: we'll always choose the SMALLER value...
1595 float healthdamage, armordamage, armorideal;
1597 healthdamage = (h - 1) / (1 - armorblock); // damage we can take if we could use more health
1598 armordamage = a + (h - 1); // damage we can take if we could use more armor
1599 armorideal = healthdamage * armorblock;
1601 if(armordamage < healthdamage)
1614 vector healtharmor_applydamage(float a, float armorblock, float damage)
1617 v_y = bound(0, damage * armorblock, a); // save
1618 v_x = bound(0, damage - v_y, damage); // take
1623 string getcurrentmod()
1627 m = cvar_string("fs_gamedir");
1628 n = tokenize_console(m);
1640 v = ReadShort() * 256; // note: this is signed
1641 v += ReadByte(); // note: this is unsigned
1645 void WriteInt24_t(float dest, float val)
1648 WriteShort(dest, (v = floor(val / 256)));
1649 WriteByte(dest, val - v * 256); // 0..255
1654 float float2range01(float f)
1656 // continuous function mapping all reals into 0..1
1658 return 1.0 - 0.5 / (1.0 + f);
1660 return 0.0 + 0.5 / (1.0 - f);