4 #include "../client/defs.qh"
5 #include "constants.qh"
6 #include "../client/mutators/events.qh"
8 #include "notifications.qh"
9 #include <common/deathtypes/all.qh>
12 #include "constants.qh"
13 #include "../server/autocvars.qh"
14 #include "../server/defs.qh"
15 #include "../server/mutators/events.qh"
16 #include "notifications.qh"
17 #include <common/deathtypes/all.qh>
23 * Get "real" origin, in worldspace, even if ent is attached to something else.
25 vector real_origin(entity ent)
28 vector v = ((ent.absmin + ent.absmax) * 0.5);
33 v = v + ((e.absmin + e.absmax) * 0.5);
41 string wordwrap_buffer;
43 void wordwrap_buffer_put(string s)
45 wordwrap_buffer = strcat(wordwrap_buffer, s);
48 string wordwrap(string s, float l)
52 wordwrap_cb(s, l, wordwrap_buffer_put);
60 void wordwrap_buffer_sprint(string s)
62 wordwrap_buffer = strcat(wordwrap_buffer, s);
65 sprint(self, wordwrap_buffer);
70 void wordwrap_sprint(string s, float l)
73 wordwrap_cb(s, l, wordwrap_buffer_sprint);
74 if(wordwrap_buffer != "")
75 sprint(self, strcat(wordwrap_buffer, "\n"));
83 string draw_UseSkinFor(string pic)
85 if(substring(pic, 0, 1) == "/")
86 return substring(pic, 1, strlen(pic)-1);
88 return strcat(draw_currentSkin, "/", pic);
92 void wordwrap_cb(string s, float l, void(string) callback)
95 float lleft, i, j, wlen;
99 for (i = 0;i < strlen(s);++i)
101 if (substring(s, i, 2) == "\\n")
107 else if (substring(s, i, 1) == "\n")
112 else if (substring(s, i, 1) == " ")
122 for (j = i+1;j < strlen(s);++j)
123 // ^^ this skips over the first character of a word, which
124 // is ALWAYS part of the word
125 // this is safe since if i+1 == strlen(s), i will become
126 // strlen(s)-1 at the end of this block and the function
127 // will terminate. A space can't be the first character we
128 // read here, and neither can a \n be the start, since these
129 // two cases have been handled above.
131 c = substring(s, j, 1);
138 // we need to keep this tempstring alive even if substring is
139 // called repeatedly, so call strcat even though we're not
149 callback(substring(s, i, wlen));
150 lleft = lleft - wlen;
157 void depthfirst(entity start, .entity up, .entity downleft, .entity right, void(entity, entity) funcPre, void(entity, entity) funcPost, entity pass)
186 string ScoreString(int pFlags, float pValue)
191 pValue = floor(pValue + 0.5); // round
193 if((pValue == 0) && (pFlags & (SFL_HIDE_ZERO | SFL_RANK | SFL_TIME)))
195 else if(pFlags & SFL_RANK)
197 valstr = ftos(pValue);
199 if((l >= 2) && (substring(valstr, l - 2, 1) == "1"))
200 valstr = strcat(valstr, "th");
201 else if(substring(valstr, l - 1, 1) == "1")
202 valstr = strcat(valstr, "st");
203 else if(substring(valstr, l - 1, 1) == "2")
204 valstr = strcat(valstr, "nd");
205 else if(substring(valstr, l - 1, 1) == "3")
206 valstr = strcat(valstr, "rd");
208 valstr = strcat(valstr, "th");
210 else if(pFlags & SFL_TIME)
211 valstr = TIME_ENCODED_TOSTRING(pValue);
213 valstr = ftos(pValue);
218 // compressed vector format:
219 // like MD3, just even shorter
220 // 4 bit pitch (16 angles), 0 is -90, 8 is 0, 16 would be 90
221 // 5 bit yaw (32 angles), 0=0, 8=90, 16=180, 24=270
222 // 7 bit length (logarithmic encoding), 1/8 .. about 7844
223 // length = 2^(length_encoded/8) / 8
224 // if pitch is 90, yaw does nothing and therefore indicates the sign (yaw is then either 11111 or 11110); 11111 is pointing DOWN
225 // thus, valid values are from 0000.11110.0000000 to 1111.11111.1111111
226 // the special value 0 indicates the zero vector
228 float lengthLogTable[128];
230 float invertLengthLog(float x)
234 if(x >= lengthLogTable[127])
236 if(x <= lengthLogTable[0])
244 m = floor((l + r) / 2);
245 if(lengthLogTable[m] < x)
251 // now: r is >=, l is <
252 float lerr = (x - lengthLogTable[l]);
253 float rerr = (lengthLogTable[r] - x);
259 vector decompressShortVector(int data)
264 float p = (data & 0xF000) / 0x1000;
265 float y = (data & 0x0F80) / 0x80;
266 int len = (data & 0x007F);
268 //print("\ndecompress: p ", ftos(p)); print("y ", ftos(y)); print("len ", ftos(len), "\n");
281 y = .19634954084936207740 * y;
282 p = .19634954084936207740 * p - 1.57079632679489661922;
283 out.x = cos(y) * cos(p);
284 out.y = sin(y) * cos(p);
288 //print("decompressed: ", vtos(out), "\n");
290 return out * lengthLogTable[len];
293 float compressShortVector(vector vec)
299 //print("compress: ", vtos(vec), "\n");
300 ang = vectoangles(vec);
304 if(ang.x < -90 && ang.x > +90)
305 error("BOGUS vectoangles");
306 //print("angles: ", vtos(ang), "\n");
308 p = floor(0.5 + (ang.x + 90) * 16 / 180) & 15; // -90..90 to 0..14
317 y = floor(0.5 + ang.y * 32 / 360) & 31; // 0..360 to 0..32
318 len = invertLengthLog(vlen(vec));
320 //print("compressed: p ", ftos(p)); print("y ", ftos(y)); print("len ", ftos(len), "\n");
322 return (p * 0x1000) + (y * 0x80) + len;
325 void compressShortVector_init()
328 float f = pow(2, 1/8);
330 for(i = 0; i < 128; ++i)
332 lengthLogTable[i] = l;
336 if(cvar("developer"))
338 LOG_INFO("Verifying vector compression table...\n");
339 for(i = 0x0F00; i < 0xFFFF; ++i)
340 if(i != compressShortVector(decompressShortVector(i)))
342 LOG_INFO("BROKEN vector compression: ", ftos(i));
343 LOG_INFO(" -> ", vtos(decompressShortVector(i)));
344 LOG_INFO(" -> ", ftos(compressShortVector(decompressShortVector(i))));
353 float CheckWireframeBox(entity forent, vector v0, vector dvx, vector dvy, vector dvz)
355 traceline(v0, v0 + dvx, true, forent); if(trace_fraction < 1) return 0;
356 traceline(v0, v0 + dvy, true, forent); if(trace_fraction < 1) return 0;
357 traceline(v0, v0 + dvz, true, forent); if(trace_fraction < 1) return 0;
358 traceline(v0 + dvx, v0 + dvx + dvy, true, forent); if(trace_fraction < 1) return 0;
359 traceline(v0 + dvx, v0 + dvx + dvz, true, forent); if(trace_fraction < 1) return 0;
360 traceline(v0 + dvy, v0 + dvy + dvx, true, forent); if(trace_fraction < 1) return 0;
361 traceline(v0 + dvy, v0 + dvy + dvz, true, forent); if(trace_fraction < 1) return 0;
362 traceline(v0 + dvz, v0 + dvz + dvx, true, forent); if(trace_fraction < 1) return 0;
363 traceline(v0 + dvz, v0 + dvz + dvy, true, forent); if(trace_fraction < 1) return 0;
364 traceline(v0 + dvx + dvy, v0 + dvx + dvy + dvz, true, forent); if(trace_fraction < 1) return 0;
365 traceline(v0 + dvx + dvz, v0 + dvx + dvy + dvz, true, forent); if(trace_fraction < 1) return 0;
366 traceline(v0 + dvy + dvz, v0 + dvx + dvy + dvz, true, forent); if(trace_fraction < 1) return 0;
371 string fixPriorityList(string order, float from, float to, float subtract, float complete)
376 n = tokenize_console(order);
378 for(i = 0; i < n; ++i)
383 if(w >= from && w <= to)
384 neworder = strcat(neworder, ftos(w), " ");
388 if(w >= from && w <= to)
389 neworder = strcat(neworder, ftos(w), " ");
396 n = tokenize_console(neworder);
397 for(w = to; w >= from; --w)
399 for(i = 0; i < n; ++i)
400 if(stof(argv(i)) == w)
402 if(i == n) // not found
403 neworder = strcat(neworder, ftos(w), " ");
407 return substring(neworder, 0, strlen(neworder) - 1);
410 string mapPriorityList(string order, string(string) mapfunc)
415 n = tokenize_console(order);
417 for(i = 0; i < n; ++i)
418 neworder = strcat(neworder, mapfunc(argv(i)), " ");
420 return substring(neworder, 0, strlen(neworder) - 1);
423 string swapInPriorityList(string order, float i, float j)
428 n = tokenize_console(order);
430 if(i >= 0 && i < n && j >= 0 && j < n && i != j)
433 for(w = 0; w < n; ++w)
436 s = strcat(s, argv(j), " ");
438 s = strcat(s, argv(i), " ");
440 s = strcat(s, argv(w), " ");
442 return substring(s, 0, strlen(s) - 1);
449 void get_mi_min_max(float mode)
454 strunzone(mi_shortname);
455 mi_shortname = mapname;
456 if(!strcasecmp(substring(mi_shortname, 0, 5), "maps/"))
457 mi_shortname = substring(mi_shortname, 5, strlen(mi_shortname) - 5);
458 if(!strcasecmp(substring(mi_shortname, strlen(mi_shortname) - 4, 4), ".bsp"))
459 mi_shortname = substring(mi_shortname, 0, strlen(mi_shortname) - 4);
460 mi_shortname = strzone(mi_shortname);
472 MapInfo_Get_ByName(mi_shortname, 0, 0);
473 if(MapInfo_Map_mins.x < MapInfo_Map_maxs.x)
475 mi_min = MapInfo_Map_mins;
476 mi_max = MapInfo_Map_maxs;
484 tracebox('1 0 0' * mi.x,
485 '0 1 0' * mi.y + '0 0 1' * mi.z,
486 '0 1 0' * ma.y + '0 0 1' * ma.z,
490 if(!trace_startsolid)
491 mi_min.x = trace_endpos.x;
493 tracebox('0 1 0' * mi.y,
494 '1 0 0' * mi.x + '0 0 1' * mi.z,
495 '1 0 0' * ma.x + '0 0 1' * ma.z,
499 if(!trace_startsolid)
500 mi_min.y = trace_endpos.y;
502 tracebox('0 0 1' * mi.z,
503 '1 0 0' * mi.x + '0 1 0' * mi.y,
504 '1 0 0' * ma.x + '0 1 0' * ma.y,
508 if(!trace_startsolid)
509 mi_min.z = trace_endpos.z;
511 tracebox('1 0 0' * ma.x,
512 '0 1 0' * mi.y + '0 0 1' * mi.z,
513 '0 1 0' * ma.y + '0 0 1' * ma.z,
517 if(!trace_startsolid)
518 mi_max.x = trace_endpos.x;
520 tracebox('0 1 0' * ma.y,
521 '1 0 0' * mi.x + '0 0 1' * mi.z,
522 '1 0 0' * ma.x + '0 0 1' * ma.z,
526 if(!trace_startsolid)
527 mi_max.y = trace_endpos.y;
529 tracebox('0 0 1' * ma.z,
530 '1 0 0' * mi.x + '0 1 0' * mi.y,
531 '1 0 0' * ma.x + '0 1 0' * ma.y,
535 if(!trace_startsolid)
536 mi_max.z = trace_endpos.z;
541 void get_mi_min_max_texcoords(float mode)
545 get_mi_min_max(mode);
550 // extend mi_picmax to get a square aspect ratio
551 // center the map in that area
552 extend = mi_picmax - mi_picmin;
553 if(extend.y > extend.x)
555 mi_picmin.x -= (extend.y - extend.x) * 0.5;
556 mi_picmax.x += (extend.y - extend.x) * 0.5;
560 mi_picmin.y -= (extend.x - extend.y) * 0.5;
561 mi_picmax.y += (extend.x - extend.y) * 0.5;
564 // add another some percent
565 extend = (mi_picmax - mi_picmin) * (1 / 64.0);
569 // calculate the texcoords
570 mi_pictexcoord0 = mi_pictexcoord1 = mi_pictexcoord2 = mi_pictexcoord3 = '0 0 0';
571 // first the two corners of the origin
572 mi_pictexcoord0_x = (mi_min.x - mi_picmin.x) / (mi_picmax.x - mi_picmin.x);
573 mi_pictexcoord0_y = (mi_min.y - mi_picmin.y) / (mi_picmax.y - mi_picmin.y);
574 mi_pictexcoord2_x = (mi_max.x - mi_picmin.x) / (mi_picmax.x - mi_picmin.x);
575 mi_pictexcoord2_y = (mi_max.y - mi_picmin.y) / (mi_picmax.y - mi_picmin.y);
576 // then the other corners
577 mi_pictexcoord1_x = mi_pictexcoord0_x;
578 mi_pictexcoord1_y = mi_pictexcoord2_y;
579 mi_pictexcoord3_x = mi_pictexcoord2_x;
580 mi_pictexcoord3_y = mi_pictexcoord0_y;
584 float cvar_settemp(string tmp_cvar, string tmp_value)
586 float created_saved_value;
588 created_saved_value = 0;
590 if (!(tmp_cvar || tmp_value))
592 LOG_TRACE("Error: Invalid usage of cvar_settemp(string, string); !\n");
596 if(!cvar_type(tmp_cvar))
598 LOG_INFOF("Error: cvar %s doesn't exist!\n", tmp_cvar);
602 FOREACH_ENTITY_CLASS("saved_cvar_value", it.netname == tmp_cvar,
604 created_saved_value = -1; // skip creation
605 break; // no need to continue
608 if(created_saved_value != -1)
610 // creating a new entity to keep track of this cvar
611 entity e = new(saved_cvar_value);
613 e.netname = strzone(tmp_cvar);
614 e.message = strzone(cvar_string(tmp_cvar));
615 created_saved_value = 1;
618 // update the cvar to the value given
619 cvar_set(tmp_cvar, tmp_value);
621 return created_saved_value;
624 int cvar_settemp_restore()
627 FOREACH_ENTITY_CLASS("saved_cvar_value", true,
629 if(cvar_type(it.netname))
631 cvar_set(it.netname, it.message);
632 strunzone(it.netname);
633 strunzone(it.message);
638 LOG_INFOF("Error: cvar %s doesn't exist anymore! It can still be restored once it's manually recreated.\n", it.netname);
644 float textLengthUpToWidth(string theText, float maxWidth, vector theSize, textLengthUpToWidth_widthFunction_t w)
647 // The following function is SLOW.
648 // For your safety and for the protection of those around you...
649 // DO NOT CALL THIS AT HOME.
651 if(w(theText, theSize) <= maxWidth)
652 return strlen(theText); // yeah!
654 // binary search for right place to cut string
656 float left, right, middle; // this always works
658 right = strlen(theText); // this always fails
661 middle = floor((left + right) / 2);
662 if(w(substring(theText, 0, middle), theSize) <= maxWidth)
667 while(left < right - 1);
669 if(w("^7", theSize) == 0) // detect color codes support in the width function
671 // NOTE: when color codes are involved, this binary search is,
672 // mathematically, BROKEN. However, it is obviously guaranteed to
673 // terminate, as the range still halves each time - but nevertheless, it is
674 // guaranteed that it finds ONE valid cutoff place (where "left" is in
675 // range, and "right" is outside).
677 // terencehill: the following code detects truncated ^xrgb tags (e.g. ^x or ^x4)
678 // and decrease left on the basis of the chars detected of the truncated tag
679 // Even if the ^xrgb tag is not complete/correct, left is decreased
680 // (sometimes too much but with a correct result)
681 // it fixes also ^[0-9]
682 while(left >= 1 && substring(theText, left-1, 1) == "^")
685 if (left >= 2 && substring(theText, left-2, 2) == "^x") // ^x/
687 else if (left >= 3 && substring(theText, left-3, 2) == "^x")
689 ch = str2chr(theText, left-1);
690 if( (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F') ) // ^xr/
693 else if (left >= 4 && substring(theText, left-4, 2) == "^x")
695 ch = str2chr(theText, left-2);
696 if ( (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F') )
698 ch = str2chr(theText, left-1);
699 if ( (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F') ) // ^xrg/
708 float textLengthUpToLength(string theText, float maxWidth, textLengthUpToLength_lenFunction_t w)
711 // The following function is SLOW.
712 // For your safety and for the protection of those around you...
713 // DO NOT CALL THIS AT HOME.
715 if(w(theText) <= maxWidth)
716 return strlen(theText); // yeah!
718 // binary search for right place to cut string
720 float left, right, middle; // this always works
722 right = strlen(theText); // this always fails
725 middle = floor((left + right) / 2);
726 if(w(substring(theText, 0, middle)) <= maxWidth)
731 while(left < right - 1);
733 if(w("^7") == 0) // detect color codes support in the width function
735 // NOTE: when color codes are involved, this binary search is,
736 // mathematically, BROKEN. However, it is obviously guaranteed to
737 // terminate, as the range still halves each time - but nevertheless, it is
738 // guaranteed that it finds ONE valid cutoff place (where "left" is in
739 // range, and "right" is outside).
741 // terencehill: the following code detects truncated ^xrgb tags (e.g. ^x or ^x4)
742 // and decrease left on the basis of the chars detected of the truncated tag
743 // Even if the ^xrgb tag is not complete/correct, left is decreased
744 // (sometimes too much but with a correct result)
745 // it fixes also ^[0-9]
746 while(left >= 1 && substring(theText, left-1, 1) == "^")
749 if (left >= 2 && substring(theText, left-2, 2) == "^x") // ^x/
751 else if (left >= 3 && substring(theText, left-3, 2) == "^x")
753 ch = str2chr(theText, left-1);
754 if( (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F') ) // ^xr/
757 else if (left >= 4 && substring(theText, left-4, 2) == "^x")
759 ch = str2chr(theText, left-2);
760 if ( (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F') )
762 ch = str2chr(theText, left-1);
763 if ( (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F') ) // ^xrg/
772 string find_last_color_code(string s)
774 int start = strstrofs(s, "^", 0);
775 if (start == -1) // no caret found
777 int len = strlen(s)-1;
779 for(i = len; i >= start; --i)
781 if(substring(s, i, 1) != "^")
785 while (i-carets >= start && substring(s, i-carets, 1) == "^")
788 // check if carets aren't all escaped
792 if(strstrofs("0123456789", substring(s, i+1, 1), 0) >= 0)
793 return substring(s, i, 2);
796 if(substring(s, i+1, 1) == "x")
797 if(strstrofs("0123456789abcdefABCDEF", substring(s, i+2, 1), 0) >= 0)
798 if(strstrofs("0123456789abcdefABCDEF", substring(s, i+3, 1), 0) >= 0)
799 if(strstrofs("0123456789abcdefABCDEF", substring(s, i+4, 1), 0) >= 0)
800 return substring(s, i, 5);
802 i -= carets; // this also skips one char before the carets
808 string getWrappedLine(float w, vector theFontSize, textLengthUpToWidth_widthFunction_t tw)
814 s = getWrappedLine_remaining;
818 getWrappedLine_remaining = string_null;
819 return s; // the line has no size ANYWAY, nothing would be displayed.
822 cantake = textLengthUpToWidth(s, w, theFontSize, tw);
823 if(cantake > 0 && cantake < strlen(s))
826 while(take > 0 && substring(s, take, 1) != " ")
830 getWrappedLine_remaining = substring(s, cantake, strlen(s) - cantake);
831 if(getWrappedLine_remaining == "")
832 getWrappedLine_remaining = string_null;
833 else if (tw("^7", theFontSize) == 0)
834 getWrappedLine_remaining = strcat(find_last_color_code(substring(s, 0, cantake)), getWrappedLine_remaining);
835 return substring(s, 0, cantake);
839 getWrappedLine_remaining = substring(s, take + 1, strlen(s) - take);
840 if(getWrappedLine_remaining == "")
841 getWrappedLine_remaining = string_null;
842 else if (tw("^7", theFontSize) == 0)
843 getWrappedLine_remaining = strcat(find_last_color_code(substring(s, 0, take)), getWrappedLine_remaining);
844 return substring(s, 0, take);
849 getWrappedLine_remaining = string_null;
854 string getWrappedLineLen(float w, textLengthUpToLength_lenFunction_t tw)
860 s = getWrappedLine_remaining;
864 getWrappedLine_remaining = string_null;
865 return s; // the line has no size ANYWAY, nothing would be displayed.
868 cantake = textLengthUpToLength(s, w, tw);
869 if(cantake > 0 && cantake < strlen(s))
872 while(take > 0 && substring(s, take, 1) != " ")
876 getWrappedLine_remaining = substring(s, cantake, strlen(s) - cantake);
877 if(getWrappedLine_remaining == "")
878 getWrappedLine_remaining = string_null;
879 else if (tw("^7") == 0)
880 getWrappedLine_remaining = strcat(find_last_color_code(substring(s, 0, cantake)), getWrappedLine_remaining);
881 return substring(s, 0, cantake);
885 getWrappedLine_remaining = substring(s, take + 1, strlen(s) - take);
886 if(getWrappedLine_remaining == "")
887 getWrappedLine_remaining = string_null;
888 else if (tw("^7") == 0)
889 getWrappedLine_remaining = strcat(find_last_color_code(substring(s, 0, take)), getWrappedLine_remaining);
890 return substring(s, 0, take);
895 getWrappedLine_remaining = string_null;
900 string textShortenToWidth(string theText, float maxWidth, vector theFontSize, textLengthUpToWidth_widthFunction_t tw)
902 if(tw(theText, theFontSize) <= maxWidth)
905 return strcat(substring(theText, 0, textLengthUpToWidth(theText, maxWidth - tw("...", theFontSize), theFontSize, tw)), "...");
908 string textShortenToLength(string theText, float maxWidth, textLengthUpToLength_lenFunction_t tw)
910 if(tw(theText) <= maxWidth)
913 return strcat(substring(theText, 0, textLengthUpToLength(theText, maxWidth - tw("..."), tw)), "...");
916 float isGametypeInFilter(float gt, float tp, float ts, string pattern)
918 string subpattern, subpattern2, subpattern3, subpattern4;
919 subpattern = strcat(",", MapInfo_Type_ToString(gt), ",");
921 subpattern2 = ",teams,";
923 subpattern2 = ",noteams,";
925 subpattern3 = ",teamspawns,";
927 subpattern3 = ",noteamspawns,";
928 if(gt == MAPINFO_TYPE_RACE || gt == MAPINFO_TYPE_CTS)
929 subpattern4 = ",race,";
931 subpattern4 = string_null;
933 if(substring(pattern, 0, 1) == "-")
935 pattern = substring(pattern, 1, strlen(pattern) - 1);
936 if(strstrofs(strcat(",", pattern, ","), subpattern, 0) >= 0)
938 if(strstrofs(strcat(",", pattern, ","), subpattern2, 0) >= 0)
940 if(strstrofs(strcat(",", pattern, ","), subpattern3, 0) >= 0)
942 if(subpattern4 && strstrofs(strcat(",", pattern, ","), subpattern4, 0) >= 0)
947 if(substring(pattern, 0, 1) == "+")
948 pattern = substring(pattern, 1, strlen(pattern) - 1);
949 if(strstrofs(strcat(",", pattern, ","), subpattern, 0) < 0)
950 if(strstrofs(strcat(",", pattern, ","), subpattern2, 0) < 0)
951 if(strstrofs(strcat(",", pattern, ","), subpattern3, 0) < 0)
955 if(strstrofs(strcat(",", pattern, ","), subpattern4, 0) < 0)
962 vector solve_shotdirection(vector myorg, vector myvel, vector eorg, vector evel, float spd, float newton_style)
966 // make origin and speed relative
971 // now solve for ret, ret normalized:
972 // eorg + t * evel == t * ret * spd
973 // or, rather, solve for t:
974 // |eorg + t * evel| == t * spd
975 // eorg^2 + t^2 * evel^2 + 2 * t * (eorg * evel) == t^2 * spd^2
976 // t^2 * (evel^2 - spd^2) + t * (2 * (eorg * evel)) + eorg^2 == 0
977 vector solution = solve_quadratic(evel * evel - spd * spd, 2 * (eorg * evel), eorg * eorg);
978 // p = 2 * (eorg * evel) / (evel * evel - spd * spd)
979 // q = (eorg * eorg) / (evel * evel - spd * spd)
980 if(!solution.z) // no real solution
983 // (eorg * evel)^2 < (evel^2 - spd^2) * eorg^2
984 // (eorg * evel)^2 / eorg^2 < evel^2 - spd^2
985 // spd^2 < ((evel^2 * eorg^2) - (eorg * evel)^2) / eorg^2
986 // spd^2 < evel^2 * (1 - cos^2 angle(evel, eorg))
987 // spd^2 < evel^2 * sin^2 angle(evel, eorg)
988 // spd < |evel| * sin angle(evel, eorg)
991 else if(solution.x > 0)
993 // both solutions > 0: take the smaller one
994 // happens if p < 0 and q > 0
995 ret = normalize(eorg + solution.x * evel);
997 else if(solution.y > 0)
999 // one solution > 0: take the larger one
1000 // happens if q < 0 or q == 0 and p < 0
1001 ret = normalize(eorg + solution.y * evel);
1005 // no solution > 0: reject
1006 // happens if p > 0 and q >= 0
1007 // 2 * (eorg * evel) / (evel * evel - spd * spd) > 0
1008 // (eorg * eorg) / (evel * evel - spd * spd) >= 0
1013 // "Enemy is moving away from me at more than spd"
1017 // NOTE: we always got a solution if spd > |evel|
1019 if(newton_style == 2)
1020 ret = normalize(ret * spd + myvel);
1025 vector get_shotvelocity(vector myvel, vector mydir, float spd, float newton_style, float mi, float ma)
1030 if(newton_style == 2)
1032 // true Newtonian projectiles with automatic aim adjustment
1034 // solve: |outspeed * mydir - myvel| = spd
1035 // outspeed^2 - 2 * outspeed * (mydir * myvel) + myvel^2 - spd^2 = 0
1036 // outspeed = (mydir * myvel) +- sqrt((mydir * myvel)^2 - myvel^2 + spd^2)
1040 // myvel^2 - (mydir * myvel)^2 > spd^2
1041 // velocity without mydir component > spd
1042 // fire at smallest possible spd that works?
1043 // |(mydir * myvel) * myvel - myvel| = spd
1045 vector solution = solve_quadratic(1, -2 * (mydir * myvel), myvel * myvel - spd * spd);
1049 outspeed = solution.y; // the larger one
1052 //outspeed = 0; // slowest possible shot
1053 outspeed = solution.x; // the real part (that is, the average!)
1054 //dprint("impossible shot, adjusting\n");
1057 outspeed = bound(spd * mi, outspeed, spd * ma);
1058 return mydir * outspeed;
1062 return myvel + spd * mydir;
1065 float compressShotOrigin(vector v)
1069 y = rint(v.y * 4) + 128;
1070 z = rint(v.z * 4) + 128;
1071 if(x > 255 || x < 0)
1073 LOG_INFO("shot origin ", vtos(v), " x out of bounds\n");
1074 x = bound(0, x, 255);
1076 if(y > 255 || y < 0)
1078 LOG_INFO("shot origin ", vtos(v), " y out of bounds\n");
1079 y = bound(0, y, 255);
1081 if(z > 255 || z < 0)
1083 LOG_INFO("shot origin ", vtos(v), " z out of bounds\n");
1084 z = bound(0, z, 255);
1086 return x * 0x10000 + y * 0x100 + z;
1088 vector decompressShotOrigin(int f)
1091 v.x = ((f & 0xFF0000) / 0x10000) / 2;
1092 v.y = ((f & 0xFF00) / 0x100 - 128) / 4;
1093 v.z = ((f & 0xFF) - 128) / 4;
1098 vector healtharmor_maxdamage(float h, float a, float armorblock, int deathtype)
1100 // NOTE: we'll always choose the SMALLER value...
1101 float healthdamage, armordamage, armorideal;
1102 if (DEATH_IS(deathtype, DEATH_DROWN)) // Why should armor help here...
1105 healthdamage = (h - 1) / (1 - armorblock); // damage we can take if we could use more health
1106 armordamage = a + (h - 1); // damage we can take if we could use more armor
1107 armorideal = healthdamage * armorblock;
1109 if(armordamage < healthdamage)
1122 vector healtharmor_applydamage(float a, float armorblock, int deathtype, float damage)
1125 if (DEATH_IS(deathtype, DEATH_DROWN)) // Why should armor help here...
1127 v.y = bound(0, damage * armorblock, a); // save
1128 v.x = bound(0, damage - v.y, damage); // take
1134 string getcurrentmod()
1138 m = cvar_string("fs_gamedir");
1139 n = tokenize_console(m);
1146 float matchacl(string acl, string str)
1153 t = car(acl); acl = cdr(acl);
1156 if(substring(t, 0, 1) == "-")
1159 t = substring(t, 1, strlen(t) - 1);
1161 else if(substring(t, 0, 1) == "+")
1162 t = substring(t, 1, strlen(t) - 1);
1164 if(substring(t, -1, 1) == "*")
1166 t = substring(t, 0, strlen(t) - 1);
1167 s = substring(str, 0, strlen(t));
1180 string get_model_datafilename(string m, float sk, string fil)
1185 m = "models/player/*_";
1187 m = strcat(m, ftos(sk));
1190 return strcat(m, ".", fil);
1193 float get_model_parameters(string m, float sk)
1195 get_model_parameters_modelname = string_null;
1196 get_model_parameters_modelskin = -1;
1197 get_model_parameters_name = string_null;
1198 get_model_parameters_species = -1;
1199 get_model_parameters_sex = string_null;
1200 get_model_parameters_weight = -1;
1201 get_model_parameters_age = -1;
1202 get_model_parameters_desc = string_null;
1203 get_model_parameters_bone_upperbody = string_null;
1204 get_model_parameters_bone_weapon = string_null;
1205 for(int i = 0; i < MAX_AIM_BONES; ++i)
1207 get_model_parameters_bone_aim[i] = string_null;
1208 get_model_parameters_bone_aimweight[i] = 0;
1210 get_model_parameters_fixbone = 0;
1213 MUTATOR_CALLHOOK(ClearModelParams);
1219 if(substring(m, -9, 5) == "_lod1" || substring(m, -9, 5) == "_lod2")
1220 m = strcat(substring(m, 0, -10), substring(m, -4, -1));
1224 if(substring(m, -4, -1) != ".txt")
1226 if(substring(m, -6, 1) != "_")
1228 sk = stof(substring(m, -5, 1));
1229 m = substring(m, 0, -7);
1232 string fn = get_model_datafilename(m, sk, "txt");
1233 int fh = fopen(fn, FILE_READ);
1237 fn = get_model_datafilename(m, sk, "txt");
1238 fh = fopen(fn, FILE_READ);
1243 get_model_parameters_modelname = m;
1244 get_model_parameters_modelskin = sk;
1246 while((s = fgets(fh)))
1249 break; // next lines will be description
1253 get_model_parameters_name = s;
1257 case "human": get_model_parameters_species = SPECIES_HUMAN; break;
1258 case "alien": get_model_parameters_species = SPECIES_ALIEN; break;
1259 case "robot_shiny": get_model_parameters_species = SPECIES_ROBOT_SHINY; break;
1260 case "robot_rusty": get_model_parameters_species = SPECIES_ROBOT_RUSTY; break;
1261 case "robot_solid": get_model_parameters_species = SPECIES_ROBOT_SOLID; break;
1262 case "animal": get_model_parameters_species = SPECIES_ANIMAL; break;
1263 case "reserved": get_model_parameters_species = SPECIES_RESERVED; break;
1266 get_model_parameters_sex = s;
1268 get_model_parameters_weight = stof(s);
1270 get_model_parameters_age = stof(s);
1271 if(c == "description")
1272 get_model_parameters_description = s;
1273 if(c == "bone_upperbody")
1274 get_model_parameters_bone_upperbody = s;
1275 if(c == "bone_weapon")
1276 get_model_parameters_bone_weapon = s;
1278 MUTATOR_CALLHOOK(GetModelParams, c, s);
1280 for(int i = 0; i < MAX_AIM_BONES; ++i)
1281 if(c == strcat("bone_aim", ftos(i)))
1283 get_model_parameters_bone_aimweight[i] = stof(car(s));
1284 get_model_parameters_bone_aim[i] = cdr(s);
1287 get_model_parameters_fixbone = stof(s);
1290 while((s = fgets(fh)))
1292 if(get_model_parameters_desc)
1293 get_model_parameters_desc = strcat(get_model_parameters_desc, "\n");
1295 get_model_parameters_desc = strcat(get_model_parameters_desc, s);
1303 // x-encoding (encoding as zero length invisible string)
1304 const string XENCODE_2 = "xX";
1305 const string XENCODE_22 = "0123456789abcdefABCDEF";
1306 string xencode(int f)
1309 d = f % 22; f = floor(f / 22);
1310 c = f % 22; f = floor(f / 22);
1311 b = f % 22; f = floor(f / 22);
1312 a = f % 2; // f = floor(f / 2);
1315 substring(XENCODE_2, a, 1),
1316 substring(XENCODE_22, b, 1),
1317 substring(XENCODE_22, c, 1),
1318 substring(XENCODE_22, d, 1)
1321 float xdecode(string s)
1324 if(substring(s, 0, 1) != "^")
1328 a = strstrofs(XENCODE_2, substring(s, 1, 1), 0);
1329 b = strstrofs(XENCODE_22, substring(s, 2, 1), 0);
1330 c = strstrofs(XENCODE_22, substring(s, 3, 1), 0);
1331 d = strstrofs(XENCODE_22, substring(s, 4, 1), 0);
1332 if(a < 0 || b < 0 || c < 0 || d < 0)
1334 return ((a * 22 + b) * 22 + c) * 22 + d;
1338 string strlimitedlen(string input, string truncation, float strip_colors, float limit)
1340 if(strlen((strip_colors ? strdecolorize(input) : input)) <= limit)
1343 return strcat(substring(input, 0, (strlen(input) - strlen(truncation))), truncation);
1346 float shutdown_running;
1351 void CSQC_Shutdown()
1357 if(shutdown_running)
1359 LOG_INFO("Recursive shutdown detected! Only restoring cvars...\n");
1363 shutdown_running = 1;
1367 cvar_settemp_restore(); // this must be done LAST, but in any case
1371 .float skeleton_bones_index;
1372 void Skeleton_SetBones(entity e)
1374 // set skeleton_bones to the total number of bones on the model
1375 if(e.skeleton_bones_index == e.modelindex)
1376 return; // same model, nothing to update
1379 skelindex = skel_create(e.modelindex);
1380 e.skeleton_bones = skel_get_numbones(skelindex);
1381 skel_delete(skelindex);
1382 e.skeleton_bones_index = e.modelindex;
1386 string to_execute_next_frame;
1387 void execute_next_frame()
1389 if(to_execute_next_frame)
1391 localcmd("\n", to_execute_next_frame, "\n");
1392 strunzone(to_execute_next_frame);
1393 to_execute_next_frame = string_null;
1396 void queue_to_execute_next_frame(string s)
1398 if(to_execute_next_frame)
1400 s = strcat(s, "\n", to_execute_next_frame);
1401 strunzone(to_execute_next_frame);
1403 to_execute_next_frame = strzone(s);
1406 .float FindConnectedComponent_processing;
1407 void FindConnectedComponent(entity e, .entity fld, findNextEntityNearFunction_t nxt, isConnectedFunction_t iscon, entity pass)
1409 entity queue_start, queue_end;
1411 // we build a queue of to-be-processed entities.
1412 // queue_start is the next entity to be checked for neighbors
1413 // queue_end is the last entity added
1415 if(e.FindConnectedComponent_processing)
1416 error("recursion or broken cleanup");
1418 // start with a 1-element queue
1419 queue_start = queue_end = e;
1420 queue_end.(fld) = world;
1421 queue_end.FindConnectedComponent_processing = 1;
1423 // for each queued item:
1424 for (; queue_start; queue_start = queue_start.(fld))
1426 // find all neighbors of queue_start
1428 for(t = world; (t = nxt(t, queue_start, pass)); )
1430 if(t.FindConnectedComponent_processing)
1432 if(iscon(t, queue_start, pass))
1434 // it is connected? ADD IT. It will look for neighbors soon too.
1435 queue_end.(fld) = t;
1437 queue_end.(fld) = world;
1438 queue_end.FindConnectedComponent_processing = 1;
1444 for (queue_start = e; queue_start; queue_start = queue_start.(fld))
1445 queue_start.FindConnectedComponent_processing = 0;
1449 vector animfixfps(entity e, vector a, vector b)
1451 // multi-frame anim: keep as-is
1454 float dur = frameduration(e.modelindex, a.x);
1455 if (dur <= 0 && b.y)
1458 dur = frameduration(e.modelindex, a.x);
1468 void dedicated_print(string input) // print(), but only print if the server is not local
1470 if(server_is_dedicated) { LOG_INFO(input); }
1475 float Announcer_PickNumber(float type, float num)
1483 case 10: return ANNCE_NUM_GAMESTART_10;
1484 case 9: return ANNCE_NUM_GAMESTART_9;
1485 case 8: return ANNCE_NUM_GAMESTART_8;
1486 case 7: return ANNCE_NUM_GAMESTART_7;
1487 case 6: return ANNCE_NUM_GAMESTART_6;
1488 case 5: return ANNCE_NUM_GAMESTART_5;
1489 case 4: return ANNCE_NUM_GAMESTART_4;
1490 case 3: return ANNCE_NUM_GAMESTART_3;
1491 case 2: return ANNCE_NUM_GAMESTART_2;
1492 case 1: return ANNCE_NUM_GAMESTART_1;
1500 case 10: return ANNCE_NUM_IDLE_10;
1501 case 9: return ANNCE_NUM_IDLE_9;
1502 case 8: return ANNCE_NUM_IDLE_8;
1503 case 7: return ANNCE_NUM_IDLE_7;
1504 case 6: return ANNCE_NUM_IDLE_6;
1505 case 5: return ANNCE_NUM_IDLE_5;
1506 case 4: return ANNCE_NUM_IDLE_4;
1507 case 3: return ANNCE_NUM_IDLE_3;
1508 case 2: return ANNCE_NUM_IDLE_2;
1509 case 1: return ANNCE_NUM_IDLE_1;
1517 case 10: return ANNCE_NUM_KILL_10;
1518 case 9: return ANNCE_NUM_KILL_9;
1519 case 8: return ANNCE_NUM_KILL_8;
1520 case 7: return ANNCE_NUM_KILL_7;
1521 case 6: return ANNCE_NUM_KILL_6;
1522 case 5: return ANNCE_NUM_KILL_5;
1523 case 4: return ANNCE_NUM_KILL_4;
1524 case 3: return ANNCE_NUM_KILL_3;
1525 case 2: return ANNCE_NUM_KILL_2;
1526 case 1: return ANNCE_NUM_KILL_1;
1534 case 10: return ANNCE_NUM_RESPAWN_10;
1535 case 9: return ANNCE_NUM_RESPAWN_9;
1536 case 8: return ANNCE_NUM_RESPAWN_8;
1537 case 7: return ANNCE_NUM_RESPAWN_7;
1538 case 6: return ANNCE_NUM_RESPAWN_6;
1539 case 5: return ANNCE_NUM_RESPAWN_5;
1540 case 4: return ANNCE_NUM_RESPAWN_4;
1541 case 3: return ANNCE_NUM_RESPAWN_3;
1542 case 2: return ANNCE_NUM_RESPAWN_2;
1543 case 1: return ANNCE_NUM_RESPAWN_1;
1547 case CNT_ROUNDSTART:
1551 case 10: return ANNCE_NUM_ROUNDSTART_10;
1552 case 9: return ANNCE_NUM_ROUNDSTART_9;
1553 case 8: return ANNCE_NUM_ROUNDSTART_8;
1554 case 7: return ANNCE_NUM_ROUNDSTART_7;
1555 case 6: return ANNCE_NUM_ROUNDSTART_6;
1556 case 5: return ANNCE_NUM_ROUNDSTART_5;
1557 case 4: return ANNCE_NUM_ROUNDSTART_4;
1558 case 3: return ANNCE_NUM_ROUNDSTART_3;
1559 case 2: return ANNCE_NUM_ROUNDSTART_2;
1560 case 1: return ANNCE_NUM_ROUNDSTART_1;
1568 case 10: return ANNCE_NUM_10;
1569 case 9: return ANNCE_NUM_9;
1570 case 8: return ANNCE_NUM_8;
1571 case 7: return ANNCE_NUM_7;
1572 case 6: return ANNCE_NUM_6;
1573 case 5: return ANNCE_NUM_5;
1574 case 4: return ANNCE_NUM_4;
1575 case 3: return ANNCE_NUM_3;
1576 case 2: return ANNCE_NUM_2;
1577 case 1: return ANNCE_NUM_1;
1582 return NOTIF_ABORT; // abort sending if none of these numbers were right
1587 int Mod_Q1BSP_SuperContentsFromNativeContents(int nativecontents)
1589 switch(nativecontents)
1594 return DPCONTENTS_SOLID | DPCONTENTS_OPAQUE;
1596 return DPCONTENTS_WATER;
1598 return DPCONTENTS_SLIME;
1600 return DPCONTENTS_LAVA | DPCONTENTS_NODROP;
1602 return DPCONTENTS_SKY | DPCONTENTS_NODROP | DPCONTENTS_OPAQUE; // to match behaviour of Q3 maps, let sky count as opaque
1607 int Mod_Q1BSP_NativeContentsFromSuperContents(int supercontents)
1609 if(supercontents & (DPCONTENTS_SOLID | DPCONTENTS_BODY))
1610 return CONTENT_SOLID;
1611 if(supercontents & DPCONTENTS_SKY)
1613 if(supercontents & DPCONTENTS_LAVA)
1614 return CONTENT_LAVA;
1615 if(supercontents & DPCONTENTS_SLIME)
1616 return CONTENT_SLIME;
1617 if(supercontents & DPCONTENTS_WATER)
1618 return CONTENT_WATER;
1619 return CONTENT_EMPTY;