data/qcsrc/server/bots.qc

   1 // rough simulation of walking from one point to another to test if a path
   2 // can be traveled, used by havocbot
   3
   4
   5 vector stepheightvec;
   6 float navigation_testtracewalk;
   7 float(entity e, vector start, vector m1, vector m2, vector end) tracewalk =
   8 {
   9         local vector org;
  10         local vector move;
  11         local vector dir;
  12         local float dist;
  13         local float totaldist;
  14         local float stepdist;
  15         local float yaw;
  16         local float ignorehazards;
  17         if (navigation_testtracewalk)
  18         {
  19                 if (navigation_testtracewalk > 1)
  20                         dprint("tracewalk: ");
  21                 //te_wizspike(start);
  22                 //te_knightspike(end);
  23                 //te_lightning2(world, start, end);
  24         }
  25         move = end - start;
  26         move_z = 0;
  27         org = start;
  28         dist = totaldist = vlen(move);
  29         dir = normalize(move);
  30         stepdist = 32;
  31         ignorehazards = FALSE;
  32         //self.angles = vectoangles(dir);
  33         traceline(start, start, FALSE, e);
  34         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
  35                 ignorehazards = TRUE;
  36         tracebox(start, m1, m2, start, TRUE, e);
  37         if (trace_startsolid)
  38         {
  39                 // failed - bad start
  40                 if (navigation_testtracewalk)
  41                 {
  42                         if (navigation_testtracewalk > 1)
  43                                 dprint("bad-start\n");
  44                         te_knightspike(start);
  45                 }
  46                 return 0;
  47         }
  48         yaw = vectoyaw(move);
  49         move = end - org;
  50         while (1)
  51         {
  52                 if (boxesoverlap(end, end, org + m1 + '-1 -1 -1', org + m2 + '1 1 1'))
  53                 {
  54                         if (navigation_testtracewalk)
  55                         {
  56                                 if (navigation_testtracewalk > 1)
  57                                         dprint("success\n");
  58                                 te_wizspike(org);
  59                         }
  60                         // succeeded
  61                         return 1;
  62                 }
  63                 if (dist <= 0)
  64                         break;
  65                 if (navigation_testtracewalk)
  66                 {
  67                         //dprint("trying ");
  68                         //te_gunshot(org);
  69                         particle(org, '0 0 0', 104, 8);
  70                 }
  71                 if (stepdist > dist)
  72                         stepdist = dist;
  73                 dist = dist - stepdist;
  74                 traceline(org, org, FALSE, e);
  75                 if (!ignorehazards)
  76                 {
  77                         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
  78                         {
  79                                 if (navigation_testtracewalk)
  80                                 {
  81                                         if (navigation_testtracewalk > 1)
  82                                                 dprint("hazard\n");
  83                                         te_gunshot(org);
  84                                 }
  85                                 // hazards blocking path
  86                                 return 0;
  87                         }
  88                 }
  89                 if (trace_dpstartcontents & DPCONTENTS_LIQUIDSMASK)
  90                 {
  91                         move = normalize(end - org);
  92                         tracebox(org, m1, m2, org + move * stepdist, MOVE_WORLDONLY, e);
  93                         if (trace_fraction < 1)
  94                         {
  95                                 if (navigation_testtracewalk)
  96                                 {
  97                                         if (navigation_testtracewalk > 1)
  98                                                 dprint("swimming-hit-something\n");
  99                                         //particle(org, move * 64, 104, 4);
 100                                         te_gunshot(org);
 101                                 }
 102                                 // failed
 103                                 return 0;
 104                         }
 105                         org = trace_endpos;
 106                 }
 107                 else
 108                 {
 109                         move = dir * stepdist + org;
 110                         tracebox(org, m1, m2, move, MOVE_WORLDONLY, e);
 111                         if (trace_fraction < 1)
 112                         {
 113                                 tracebox(org + stepheightvec, m1, m2, move + stepheightvec, MOVE_WORLDONLY, e);
 114                                 if (trace_fraction < 1 || trace_startsolid)
 115                                 {
 116                                         if (navigation_testtracewalk)
 117                                         {
 118                                                 if (navigation_testtracewalk > 1)
 119                                                         dprint("hit-something\n");
 120                                                 //move = normalize(end - org);
 121                                                 //particle(org, move * 64, 104, 4);
 122                                                 te_gunshot(org);
 123                                         }
 124                                         // failed
 125                                         return 0;
 126                                 }
 127                         }
 128                         move = trace_endpos;
 129                         tracebox(move, m1, m2, move + '0 0 -65536', FALSE, e);
 130                         /*
 131                         // trace down from stepheight as far as possible and move there,
 132                         // if this starts in solid we try again without the stepup, and
 133                         // if that also fails we assume it is a wall
 134                         // (this is the same logic as the Quake walkmove function used)
 135                         tracebox(move + '0 0 18', m1, m2, move + '0 0 -65536', FALSE, e);
 136                         if (trace_startsolid)
 137                         {
 138                                 tracebox(move, m1, m2, move + '0 0 -65536', FALSE, e);
 139                                 if (trace_startsolid)
 140                                 {
 141                                         if (navigation_testtracewalk)
 142                                         {
 143                                                 if (navigation_testtracewalk > 1)
 144                                                         dprint("hit-something\n");
 145                                                 //move = normalize(end - org);
 146                                                 //particle(org, move * 64, 104, 4);
 147                                                 te_knightspike(org);
 148                                         }
 149                                         // failed
 150                                         return 0;
 151                                 }
 152                         }
 153                         */
 154                         // moved successfully
 155                         if (navigation_testtracewalk > 1)
 156                                 dprint("moved ");
 157                         org = trace_endpos;
 158                 }
 159         }
 160         if (navigation_testtracewalk)
 161         {
 162                 if (navigation_testtracewalk > 1)
 163                         dprint("wrong-place\n");
 164                 te_knightspike(org);
 165                 //te_gunshot(end);
 166         }
 167         // moved but didn't arrive at the intended destination
 168         return 0;
 169 };
 170
 171
 172 // grenade tracing to decide the best pitch to fire at
 173
 174 entity tracetossent;
 175 entity tracetossfaketarget;
 176
 177 // traces multiple trajectories to find one that will impact the target
 178 // 'end' vector is the place it aims for,
 179 // returns TRUE only if it hit targ (don't target non-solid entities)
 180 vector findtrajectory_velocity;
 181 float(vector org, vector m1, vector m2, entity targ, float shotspeed, float shotspeedupward, float maxtime, float shotdelay, entity ignore) findtrajectorywithleading =
 182 {
 183         local float c, savesolid, shottime;
 184         local vector dir, end, v;
 185         if (shotspeed < 1)
 186                 return FALSE; // could cause division by zero if calculated
 187         if (targ.solid < SOLID_BBOX) // SOLID_NOT and SOLID_TRIGGER
 188                 return FALSE; // could never hit it
 189         if (!tracetossent)
 190                 tracetossent = spawn();
 191         tracetossent.owner = ignore;
 192         setsize(tracetossent, m1, m2);
 193         savesolid = targ.solid;
 194         targ.solid = SOLID_NOT;
 195         shottime = ((vlen(targ.origin - org) / shotspeed) + shotdelay);
 196         v = targ.velocity * shottime + targ.origin;
 197         tracebox(targ.origin, targ.mins, targ.maxs, v, FALSE, targ);
 198         v = trace_endpos;
 199         end = v + (targ.mins + targ.maxs) * 0.5;
 200         if ((vlen(end - org) / shotspeed + 0.2) > maxtime)
 201         {
 202                 // out of range
 203                 targ.solid = savesolid;
 204                 return FALSE;
 205         }
 206
 207         if (!tracetossfaketarget)
 208                 tracetossfaketarget = spawn();
 209         tracetossfaketarget.solid = savesolid;
 210         tracetossfaketarget.movetype = targ.movetype;
 211         setmodel(tracetossfaketarget, targ.model); // no low precision
 212         tracetossfaketarget.model = targ.model;
 213         tracetossfaketarget.modelindex = targ.modelindex;
 214         setsize(tracetossfaketarget, targ.mins, targ.maxs);
 215         setorigin(tracetossfaketarget, v);
 216
 217         c = 0;
 218         dir = normalize(end - org);
 219         while (c < 10) // 10 traces
 220         {
 221                 setorigin(tracetossent, org); // reset
 222                 tracetossent.velocity = findtrajectory_velocity = normalize(dir) * shotspeed + shotspeedupward * '0 0 1';
 223                 tracetoss(tracetossent, ignore); // love builtin functions...
 224                 if (trace_ent == tracetossfaketarget) // done
 225                 {
 226                         targ.solid = savesolid;
 227
 228                         // make it disappear
 229                         tracetossfaketarget.solid = SOLID_NOT;
 230                         tracetossfaketarget.movetype = MOVETYPE_NONE;
 231                         tracetossfaketarget.model = "";
 232                         tracetossfaketarget.modelindex = 0;
 233                         // relink to remove it from physics considerations
 234                         setorigin(tracetossfaketarget, v);
 235
 236                         return TRUE;
 237                 }
 238                 dir_z = dir_z + 0.1; // aim up a little more
 239                 c = c + 1;
 240         }
 241         targ.solid = savesolid;
 242
 243         // make it disappear
 244         tracetossfaketarget.solid = SOLID_NOT;
 245         tracetossfaketarget.movetype = MOVETYPE_NONE;
 246         tracetossfaketarget.model = "";
 247         tracetossfaketarget.modelindex = 0;
 248         // relink to remove it from physics considerations
 249         setorigin(tracetossfaketarget, v);
 250
 251         // leave a valid one even if it won't reach
 252         findtrajectory_velocity = normalize(end - org) * shotspeed + shotspeedupward * '0 0 1';
 253         return FALSE;
 254 };
 255
 256
 257
 258 // lag simulation
 259
 260 .void(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4) lag_func;
 261
 262 // upto 5 queued messages
 263 .float lag1_time;
 264 .float lag1_float1;
 265 .float lag1_float2;
 266 .entity lag1_entity1;
 267 .vector lag1_vec1;
 268 .vector lag1_vec2;
 269 .vector lag1_vec3;
 270 .vector lag1_vec4;
 271
 272 .float lag2_time;
 273 .float lag2_float1;
 274 .float lag2_float2;
 275 .entity lag2_entity1;
 276 .vector lag2_vec1;
 277 .vector lag2_vec2;
 278 .vector lag2_vec3;
 279 .vector lag2_vec4;
 280
 281 .float lag3_time;
 282 .float lag3_float1;
 283 .float lag3_float2;
 284 .entity lag3_entity1;
 285 .vector lag3_vec1;
 286 .vector lag3_vec2;
 287 .vector lag3_vec3;
 288 .vector lag3_vec4;
 289
 290 .float lag4_time;
 291 .float lag4_float1;
 292 .float lag4_float2;
 293 .entity lag4_entity1;
 294 .vector lag4_vec1;
 295 .vector lag4_vec2;
 296 .vector lag4_vec3;
 297 .vector lag4_vec4;
 298
 299 .float lag5_time;
 300 .float lag5_float1;
 301 .float lag5_float2;
 302 .entity lag5_entity1;
 303 .vector lag5_vec1;
 304 .vector lag5_vec2;
 305 .vector lag5_vec3;
 306 .vector lag5_vec4;
 307
 308 void() lag_update =
 309 {
 310         if (self.lag1_time) if (time > self.lag1_time) {self.lag_func(self.lag1_time, self.lag1_float1, self.lag1_float2, self.lag1_entity1, self.lag1_vec1, self.lag1_vec2, self.lag1_vec3, self.lag1_vec4);self.lag1_time = 0;}
 311         if (self.lag2_time) if (time > self.lag2_time) {self.lag_func(self.lag2_time, self.lag2_float1, self.lag2_float2, self.lag2_entity1, self.lag2_vec1, self.lag2_vec2, self.lag2_vec3, self.lag2_vec4);self.lag2_time = 0;}
 312         if (self.lag3_time) if (time > self.lag3_time) {self.lag_func(self.lag3_time, self.lag3_float1, self.lag3_float2, self.lag3_entity1, self.lag3_vec1, self.lag3_vec2, self.lag3_vec3, self.lag3_vec4);self.lag3_time = 0;}
 313         if (self.lag4_time) if (time > self.lag4_time) {self.lag_func(self.lag4_time, self.lag4_float1, self.lag4_float2, self.lag4_entity1, self.lag4_vec1, self.lag4_vec2, self.lag4_vec3, self.lag4_vec4);self.lag4_time = 0;}
 314         if (self.lag5_time) if (time > self.lag5_time) {self.lag_func(self.lag5_time, self.lag5_float1, self.lag5_float2, self.lag5_entity1, self.lag5_vec1, self.lag5_vec2, self.lag5_vec3, self.lag5_vec4);self.lag5_time = 0;}
 315 };
 316
 317 float(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4) lag_additem =
 318 {
 319         if (self.lag1_time == 0) {self.lag1_time = t;self.lag1_float1 = f1;self.lag1_float2 = f2;self.lag1_entity1 = e1;self.lag1_vec1 = v1;self.lag1_vec2 = v2;self.lag1_vec3 = v3;self.lag1_vec4 = v4;return TRUE;}
 320         if (self.lag2_time == 0) {self.lag2_time = t;self.lag2_float1 = f1;self.lag2_float2 = f2;self.lag2_entity1 = e1;self.lag2_vec1 = v1;self.lag2_vec2 = v2;self.lag2_vec3 = v3;self.lag2_vec4 = v4;return TRUE;}
 321         if (self.lag3_time == 0) {self.lag3_time = t;self.lag3_float1 = f1;self.lag3_float2 = f2;self.lag3_entity1 = e1;self.lag3_vec1 = v1;self.lag3_vec2 = v2;self.lag3_vec3 = v3;self.lag3_vec4 = v4;return TRUE;}
 322         if (self.lag4_time == 0) {self.lag4_time = t;self.lag4_float1 = f1;self.lag4_float2 = f2;self.lag4_entity1 = e1;self.lag4_vec1 = v1;self.lag4_vec2 = v2;self.lag4_vec3 = v3;self.lag4_vec4 = v4;return TRUE;}
 323         if (self.lag5_time == 0) {self.lag5_time = t;self.lag5_float1 = f1;self.lag5_float2 = f2;self.lag5_entity1 = e1;self.lag5_vec1 = v1;self.lag5_vec2 = v2;self.lag5_vec3 = v3;self.lag5_vec4 = v4;return TRUE;}
 324         // no room for it (what is the best thing to do here??)
 325         return FALSE;
 326 };
 327
 328
 329 // Random skill system
 330 .float bot_thinkskill;
 331 .float bot_mouseskill;
 332 .float bot_predictionskill;
 333 .float bot_offsetskill;
 334
 335
 336 // waypoint navigation system
 337
 338 // itemscore = (howmuchmoreIwant / howmuchIcanwant) / itemdistance
 339 // waypointscore = 0.7 / waypointdistance
 340
 341 .entity wp00, wp01, wp02, wp03, wp04, wp05, wp06, wp07;
 342 .entity wp08, wp09, wp10, wp11, wp12, wp13, wp14, wp15;
 343 .entity wp16, wp17, wp18, wp19, wp20, wp21, wp22, wp23, wp24, wp25, wp26, wp27, wp28, wp29, wp30, wp31;
 344 .float wp00mincost, wp01mincost, wp02mincost, wp03mincost, wp04mincost, wp05mincost, wp06mincost, wp07mincost;
 345 .float wp08mincost, wp09mincost, wp10mincost, wp11mincost, wp12mincost, wp13mincost, wp14mincost, wp15mincost;
 346 .float wp16mincost, wp17mincost, wp18mincost, wp19mincost, wp20mincost, wp21mincost, wp22mincost, wp23mincost, wp24mincost, wp25mincost, wp26mincost, wp27mincost, wp28mincost, wp29mincost, wp30mincost, wp31mincost;
 347 .float wpfire, wpcost;
 348 .float wpisbox;
 349 .float wpflags;
 350 .vector wpnearestpoint;
 351
 352 // stack of current goals (the last one of which may be an item or other
 353 // desirable object, the rest are typically waypoints to reach it)
 354 .entity goalcurrent, goalstack01, goalstack02, goalstack03;
 355 .entity goalstack04, goalstack05, goalstack06, goalstack07;
 356 .entity goalstack08, goalstack09, goalstack10, goalstack11;
 357 .entity goalstack12, goalstack13, goalstack14, goalstack15;
 358 .entity goalstack16, goalstack17, goalstack18, goalstack19;
 359 .entity goalstack20, goalstack21, goalstack22, goalstack23;
 360 .entity goalstack24, goalstack25, goalstack26, goalstack27;
 361 .entity goalstack28, goalstack29, goalstack30, goalstack31;
 362
 363 .entity nearestwaypoint;
 364 .float nearestwaypointtimeout;
 365
 366 // used during navigation_goalrating_begin/end sessions
 367 float navigation_bestrating;
 368 entity navigation_bestgoal;
 369
 370
 371
 372
 373
 374 /////////////////////////////////////////////////////////////////////////////
 375 // waypoint management
 376 /////////////////////////////////////////////////////////////////////////////
 377
 378 // waypoints with this flag are not saved, they are automatically generated
 379 // waypoints like jump pads, teleporters, and items
 380 float WAYPOINTFLAG_GENERATED = 8388608;
 381 float WAYPOINTFLAG_ITEM = 4194304;
 382 float WAYPOINTFLAG_TELEPORT = 2097152;
 383 float WAYPOINTFLAG_NORELINK = 1048576;
 384
 385 // add a new link to the waypoint, replacing the furthest link it already has
 386 void(entity from, entity to) waypoint_addlink =
 387 {
 388         local float c;
 389
 390         if (from == to)
 391                 return;
 392         if (from.wpflags & WAYPOINTFLAG_NORELINK)
 393                 return;
 394
 395         if (from.wp00 == to) return;if (from.wp01 == to) return;if (from.wp02 == to) return;if (from.wp03 == to) return;
 396         if (from.wp04 == to) return;if (from.wp05 == to) return;if (from.wp06 == to) return;if (from.wp07 == to) return;
 397         if (from.wp08 == to) return;if (from.wp09 == to) return;if (from.wp10 == to) return;if (from.wp11 == to) return;
 398         if (from.wp12 == to) return;if (from.wp13 == to) return;if (from.wp14 == to) return;if (from.wp15 == to) return;
 399         if (from.wp16 == to) return;if (from.wp17 == to) return;if (from.wp18 == to) return;if (from.wp19 == to) return;
 400         if (from.wp20 == to) return;if (from.wp21 == to) return;if (from.wp22 == to) return;if (from.wp23 == to) return;
 401         if (from.wp24 == to) return;if (from.wp25 == to) return;if (from.wp26 == to) return;if (from.wp27 == to) return;
 402         if (from.wp28 == to) return;if (from.wp29 == to) return;if (from.wp30 == to) return;if (from.wp31 == to) return;
 403
 404         if (to.wpisbox || from.wpisbox)
 405         {
 406                 // if either is a box we have to find the nearest points on them to
 407                 // calculate the distance properly
 408                 local vector v1, v2, m1, m2;
 409                 v1 = from.origin;
 410                 m1 = to.absmin;
 411                 m2 = to.absmax;
 412                 v1_x = bound(m1_x, v1_x, m2_x);
 413                 v1_y = bound(m1_y, v1_y, m2_y);
 414                 v1_z = bound(m1_z, v1_z, m2_z);
 415                 v2 = to.origin;
 416                 m1 = from.absmin;
 417                 m2 = from.absmax;
 418                 v2_x = bound(m1_x, v2_x, m2_x);
 419                 v2_y = bound(m1_y, v2_y, m2_y);
 420                 v2_z = bound(m1_z, v2_z, m2_z);
 421                 v2 = to.origin;
 422                 c = vlen(v2 - v1);
 423         }
 424         else
 425                 c = vlen(to.origin - from.origin);
 426
 427         if (from.wp31mincost < c) return;
 428         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
 429         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
 430         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
 431         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
 432         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
 433         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
 434         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
 435         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
 436         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
 437         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
 438         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
 439         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
 440         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
 441         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
 442         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
 443         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
 444         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
 445         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
 446         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
 447         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
 448         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
 449         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
 450         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
 451         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
 452         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
 453         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
 454         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
 455         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
 456         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
 457         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
 458         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
 459         from.wp00 = to;from.wp00mincost = c;return;
 460 };
 461
 462 // relink this waypoint
 463 // (precompile a list of all reachable waypoints from this waypoint)
 464 // (SLOW!)
 465 void() waypoint_think =
 466 {
 467         local entity e;
 468         local vector sv, sm1, sm2, ev, em1, em2, dv;
 469         //dprint("waypoint_think wpisbox = ", ftos(self.wpisbox), "\n");
 470         sm1 = self.origin + self.mins;
 471         sm2 = self.origin + self.maxs;
 472         e = find(world, classname, "waypoint");
 473         stepheightvec = cvar("sv_stepheight") * '0 0 1';
 474         while (e)
 475         {
 476                 if (boxesoverlap(self.absmin, self.absmax, e.absmin, e.absmax))
 477                 {
 478                         waypoint_addlink(self, e);
 479                         waypoint_addlink(e, self);
 480                 }
 481                 else
 482                 {
 483                         sv = e.origin;
 484                         sv_x = bound(sm1_x, sv_x, sm2_x);
 485                         sv_y = bound(sm1_y, sv_y, sm2_y);
 486                         sv_z = bound(sm1_z, sv_z, sm2_z);
 487                         ev = self.origin;
 488                         em1 = e.origin + e.mins;
 489                         em2 = e.origin + e.maxs;
 490                         ev_x = bound(em1_x, ev_x, em2_x);
 491                         ev_y = bound(em1_y, ev_y, em2_y);
 492                         ev_z = bound(em1_z, ev_z, em2_z);
 493                         dv = ev - sv;
 494                         dv_z = 0;
 495                         if (vlen(dv) < 1050) // max search distance in XY
 496                         {
 497                                 navigation_testtracewalk = 0;
 498                                 if (!self.wpisbox)
 499                                 {
 500                                         tracebox(sv - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, sv, FALSE, self);
 501                                         if (!trace_startsolid)
 502                                         {
 503                                                 //dprint("sv deviation", vtos(trace_endpos - sv), "\n");
 504                                                 sv = trace_endpos + '0 0 1';
 505                                         }
 506                                 }
 507                                 if (!e.wpisbox)
 508                                 {
 509                                         tracebox(ev - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, ev, FALSE, e);
 510                                         if (!trace_startsolid)
 511                                         {
 512                                                 //dprint("ev deviation", vtos(trace_endpos - ev), "\n");
 513                                                 ev = trace_endpos + '0 0 1';
 514                                         }
 515                                 }
 516                                 //traceline(self.origin, e.origin, FALSE, world);
 517                                 //if (trace_fraction == 1)
 518                                 if (!self.wpisbox)
 519                                 if (tracewalk(self, sv, PL_MIN, PL_MAX, ev))
 520                                         waypoint_addlink(self, e);
 521                                 if (!e.wpisbox)
 522                                 if (tracewalk(e, ev, PL_MIN, PL_MAX, sv))
 523                                         waypoint_addlink(e, self);
 524                         }
 525                 }
 526                 e = find(e, classname, "waypoint");
 527         }
 528         navigation_testtracewalk = 0;
 529 };
 530
 531 void(entity wp) waypoint_clearlinks =
 532 {
 533         // clear links to other waypoints
 534         local float f;
 535         f = 10000000;
 536         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = world;wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
 537         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = world;wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
 538         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = world;wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
 539         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = world;wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
 540 };
 541
 542 // tell a waypoint to relink
 543 void(entity wp) waypoint_schedulerelink =
 544 {
 545         if (wp == world)
 546                 return;
 547         // TODO: add some sort of visible box in edit mode for box waypoints
 548         if (cvar("g_waypointeditor"))
 549         {
 550                 local vector m1, m2;
 551                 m1 = wp.mins;
 552                 m2 = wp.maxs;
 553                 setmodel(wp, "models/runematch/rune.mdl"); wp.effects = EF_LOWPRECISION;
 554                 setsize(wp, m1, m2);
 555         }
 556         else
 557                 wp.model = "";
 558         wp.wpisbox = vlen(wp.size) > 0;
 559         wp.enemy = world;
 560         wp.owner = world;
 561         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
 562                 waypoint_clearlinks(wp);
 563         // schedule an actual relink on next frame
 564         wp.think = waypoint_think;
 565         wp.nextthink = time;
 566         wp.effects = EF_LOWPRECISION;
 567 }
 568
 569 // create a new waypoint and automatically link it to other waypoints, and link
 570 // them back to it as well
 571 // (suitable for waypoint editor)
 572 entity(vector m1, vector m2, float f) waypoint_spawn =
 573 {
 574         local entity w;
 575         local vector org;
 576         org = (m1 + m2) * 0.5;
 577         m1 = m1 - org;
 578         m2 = m2 - org;
 579         w = find(world, classname, "waypoint");
 580         while (w)
 581         {
 582                 // if a matching waypoint already exists, don't add a duplicate
 583                 if (w.origin == org && w.mins == m1 && w.maxs == m2)
 584                         return w;
 585                 w = find(w, classname, "waypoint");
 586         }
 587         w = spawn();
 588         w.classname = "waypoint";
 589         w.wpflags = f;
 590         setorigin(w, org);
 591         setsize(w, PL_MIN + m1, PL_MAX + m2);
 592
 593         if(!(f & WAYPOINTFLAG_GENERATED))
 594         {
 595                 org = w.origin + '0 0 2';
 596                 tracebox(org, w.mins, w.maxs, w.origin, MOVE_WORLDONLY, w);
 597                 if(trace_startsolid)
 598                 {
 599                         org = w.origin + '2 2 2';
 600                         tracebox(org, w.mins, w.maxs, w.origin, MOVE_WORLDONLY, w);
 601                         if(trace_startsolid)
 602                         {
 603                                 org = w.origin + '-2 -2 2';
 604                                 tracebox(org, w.mins, w.maxs, w.origin, MOVE_WORLDONLY, w);
 605                                 if(trace_startsolid)
 606                                 {
 607                                         org = w.origin + '-2 2 2';
 608                                         tracebox(org, w.mins, w.maxs, w.origin, MOVE_WORLDONLY, w);
 609                                         if(trace_startsolid)
 610                                         {
 611                                                 org = w.origin + '2 -2 2';
 612                                                 tracebox(org, w.mins, w.maxs, w.origin, MOVE_WORLDONLY, w);
 613                                                 if(trace_startsolid)
 614                                                 {
 615                                                         // this WP is in solid, refuse it
 616                                                         dprint("Killed a waypoint that was stuck in solid at ", vtos(org), "\n");
 617                                                         remove(w);
 618                                                         return world;
 619                                                 }
 620                                         }
 621                                 }
 622                         }
 623                 }
 624
 625                 org = org * 0.05 + trace_endpos * 0.95; // don't trust the trace fully
 626                 tracebox(org, w.mins, w.maxs, org - '0 0 128', MOVE_WORLDONLY, w);
 627
 628                 if(trace_fraction == 1 || trace_startsolid)
 629                 {
 630                         // this WP is in air, refuse it
 631                         dprint("Killed a waypoint that was stuck in air/ceiling at ", vtos(w.origin), "\n");
 632                         remove(w);
 633                         return world;
 634                 }
 635                 trace_endpos_z += 0.1; // don't trust the trace fully
 636
 637 //              dprint("Moved waypoint at ", vtos(w.origin), " by ", ftos(vlen(w.origin - trace_endpos)));
 638 //              dprint(" direction: ", vtos((trace_endpos - w.origin)), "\n");
 639
 640                 setorigin(w, trace_endpos);
 641         }
 642
 643         setsize(w, m1, m2);
 644
 645         waypoint_clearlinks(w);
 646         //waypoint_schedulerelink(w);
 647         return w;
 648 };
 649
 650 // waypoint map entity
 651 void() waypoint =
 652 {
 653         setorigin(self, self.origin);
 654         // schedule a relink after other waypoints have had a chance to spawn
 655         waypoint_clearlinks(self);
 656         //waypoint_schedulerelink(self);
 657 };
 658
 659 // remove a waypoint, and schedule all neighbors to relink
 660 void(entity e) waypoint_remove =
 661 {
 662         // tell all linked waypoints that they need to relink
 663         waypoint_schedulerelink(e.wp00);
 664         waypoint_schedulerelink(e.wp01);
 665         waypoint_schedulerelink(e.wp02);
 666         waypoint_schedulerelink(e.wp03);
 667         waypoint_schedulerelink(e.wp04);
 668         waypoint_schedulerelink(e.wp05);
 669         waypoint_schedulerelink(e.wp06);
 670         waypoint_schedulerelink(e.wp07);
 671         waypoint_schedulerelink(e.wp08);
 672         waypoint_schedulerelink(e.wp09);
 673         waypoint_schedulerelink(e.wp10);
 674         waypoint_schedulerelink(e.wp11);
 675         waypoint_schedulerelink(e.wp12);
 676         waypoint_schedulerelink(e.wp13);
 677         waypoint_schedulerelink(e.wp14);
 678         waypoint_schedulerelink(e.wp15);
 679         waypoint_schedulerelink(e.wp16);
 680         waypoint_schedulerelink(e.wp17);
 681         waypoint_schedulerelink(e.wp18);
 682         waypoint_schedulerelink(e.wp19);
 683         waypoint_schedulerelink(e.wp20);
 684         waypoint_schedulerelink(e.wp21);
 685         waypoint_schedulerelink(e.wp22);
 686         waypoint_schedulerelink(e.wp23);
 687         waypoint_schedulerelink(e.wp24);
 688         waypoint_schedulerelink(e.wp25);
 689         waypoint_schedulerelink(e.wp26);
 690         waypoint_schedulerelink(e.wp27);
 691         waypoint_schedulerelink(e.wp28);
 692         waypoint_schedulerelink(e.wp29);
 693         waypoint_schedulerelink(e.wp30);
 694         waypoint_schedulerelink(e.wp31);
 695         // and now remove the waypoint
 696         remove(e);
 697 };
 698
 699 // empties the map of waypoints
 700 void() waypoint_removeall =
 701 {
 702         local entity head, next;
 703         head = findchain(classname, "waypoint");
 704         while (head)
 705         {
 706                 next = head.chain;
 707                 remove(head);
 708                 head = next;
 709         }
 710 };
 711
 712 // tell all waypoints to relink
 713 // (is this useful at all?)
 714 void() waypoint_schedulerelinkall =
 715 {
 716         local entity head;
 717         head = findchain(classname, "waypoint");
 718         while (head)
 719         {
 720                 waypoint_schedulerelink(head);
 721                 head = head.chain;
 722         }
 723 };
 724
 725 // save waypoints to gamedir/data/maps/mapname.waypoints
 726 // TODO: support saving wayboxes
 727 void() waypoint_saveall =
 728 {
 729         local string filename, s;
 730         local float file, c;
 731         local entity w;
 732         filename = strcat("maps/", mapname);
 733         filename = strcat(filename, ".waypoints");
 734         file = fopen(filename, FILE_WRITE);
 735         if (file >= 0)
 736         {
 737                 c = 0;
 738                 w = findchain(classname, "waypoint");
 739                 while (w)
 740                 {
 741                         if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
 742                         {
 743                                 s = strcat(vtos(w.origin + w.mins), "\n");
 744                                 s = strcat(s, vtos(w.origin + w.maxs));
 745                                 s = strcat(s, "\n");
 746                                 s = strcat(s, ftos(w.wpflags));
 747                                 s = strcat(s, "\n");
 748                                 fputs(file, s);
 749                                 c = c + 1;
 750                         }
 751                         w = w.chain;
 752                 }
 753                 fclose(file);
 754                 bprint("saved ");
 755                 bprint(ftos(c));
 756                 bprint(" waypoints to maps/");
 757                 bprint(mapname);
 758                 bprint(".waypoints\n");
 759         }
 760         else
 761         {
 762                 bprint("waypoint save to ");
 763                 bprint(filename);
 764                 bprint(" failed\n");
 765         }
 766 };
 767
 768 // load waypoints from file
 769 float() waypoint_loadall =
 770 {
 771         local string filename, s;
 772         local float file, cwp, cwb, fl;
 773         local vector m1, m2;
 774         cwp = 0;
 775         cwb = 0;
 776         filename = strcat("maps/", mapname);
 777         filename = strcat(filename, ".waypoints");
 778         file = fopen(filename, FILE_READ);
 779         if (file >= 0)
 780         {
 781                 while (1)
 782                 {
 783                         s = fgets(file);
 784                         if (!s)
 785                                 break;
 786                         m1 = stov(s);
 787                         s = fgets(file);
 788                         if (!s)
 789                                 break;
 790                         m2 = stov(s);
 791                         s = fgets(file);
 792                         if (!s)
 793                                 break;
 794                         fl = stof(s);
 795                         waypoint_spawn(m1, m2, fl);
 796                         if (m1 == m2)
 797                                 cwp = cwp + 1;
 798                         else
 799                                 cwb = cwb + 1;
 800                 }
 801                 fclose(file);
 802                 dprint("loaded ");
 803                 dprint(ftos(cwp));
 804                 dprint(" waypoints and ");
 805                 dprint(ftos(cwb));
 806                 dprint(" wayboxes from maps/");
 807                 dprint(mapname);
 808                 dprint(".waypoints\n");
 809         }
 810         else
 811         {
 812                 dprint("waypoint load from ");
 813                 dprint(filename);
 814                 dprint(" failed\n");
 815         }
 816         return cwp + cwb;
 817 };
 818
 819 void(entity e) waypoint_spawnforitem =
 820 {
 821         local entity w;
 822         local vector org;
 823
 824         if(!bot_waypoints_for_items)
 825                 return;
 826
 827         org = e.origin + (e.mins + e.maxs) * 0.5;
 828         org_z = e.origin_z + e.mins_z - PL_MIN_z + 1;
 829         e.nearestwaypointtimeout = time + 1000000000;
 830         // don't spawn an item waypoint if it already exists
 831         w = findchain(classname, "waypoint");
 832         while (w)
 833         {
 834                 if (vlen(w.size) > 1)
 835                 {
 836                         if (boxesoverlap(org, org, w.absmin, w.absmax))
 837                         {
 838                                 e.nearestwaypoint = w;
 839                                 return;
 840                         }
 841                 }
 842                 else
 843                 {
 844                         if (vlen(w.origin - org) < 16)
 845                         {
 846                                 e.nearestwaypoint = w;
 847                                 return;
 848                         }
 849                 }
 850                 w = w.chain;
 851         }
 852         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
 853 };
 854
 855 void(entity e, vector destination, float timetaken) waypoint_spawnforteleporter =
 856 {
 857         local entity w;
 858         local entity dw;
 859         w = waypoint_spawn(e.absmin, e.absmax, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
 860         dw = waypoint_spawn(destination, destination, WAYPOINTFLAG_GENERATED);
 861         // one way link to the destination
 862         w.wp00 = dw;
 863         w.wp00mincost = timetaken; // this is just for jump pads
 864         // the teleporter's nearest waypoint is this one
 865         // (teleporters are not goals, so this is probably useless)
 866         e.nearestwaypoint = w;
 867         e.nearestwaypointtimeout = time + 1000000000;
 868 };
 869
 870
 871
 872
 873
 874 /////////////////////////////////////////////////////////////////////////////
 875 // goal stack
 876 /////////////////////////////////////////////////////////////////////////////
 877
 878 // completely empty the goal stack, used when deciding where to go
 879 void() navigation_clearroute =
 880 {
 881         self.goalcurrent = world;
 882         self.goalstack01 = world;
 883         self.goalstack02 = world;
 884         self.goalstack03 = world;
 885         self.goalstack04 = world;
 886         self.goalstack05 = world;
 887         self.goalstack06 = world;
 888         self.goalstack07 = world;
 889         self.goalstack08 = world;
 890         self.goalstack09 = world;
 891         self.goalstack10 = world;
 892         self.goalstack11 = world;
 893         self.goalstack12 = world;
 894         self.goalstack13 = world;
 895         self.goalstack14 = world;
 896         self.goalstack15 = world;
 897         self.goalstack16 = world;
 898         self.goalstack17 = world;
 899         self.goalstack18 = world;
 900         self.goalstack19 = world;
 901         self.goalstack20 = world;
 902         self.goalstack21 = world;
 903         self.goalstack22 = world;
 904         self.goalstack23 = world;
 905         self.goalstack24 = world;
 906         self.goalstack25 = world;
 907         self.goalstack26 = world;
 908         self.goalstack27 = world;
 909         self.goalstack28 = world;
 910         self.goalstack29 = world;
 911         self.goalstack30 = world;
 912         self.goalstack31 = world;
 913 };
 914
 915 // add a new goal at the beginning of the stack
 916 // (in other words: add a new prerequisite before going to the later goals)
 917 void(entity e) navigation_pushroute =
 918 {
 919         self.goalstack31 = self.goalstack30;
 920         self.goalstack30 = self.goalstack29;
 921         self.goalstack29 = self.goalstack28;
 922         self.goalstack28 = self.goalstack27;
 923         self.goalstack27 = self.goalstack26;
 924         self.goalstack26 = self.goalstack25;
 925         self.goalstack25 = self.goalstack24;
 926         self.goalstack24 = self.goalstack23;
 927         self.goalstack23 = self.goalstack22;
 928         self.goalstack22 = self.goalstack21;
 929         self.goalstack21 = self.goalstack20;
 930         self.goalstack20 = self.goalstack19;
 931         self.goalstack19 = self.goalstack18;
 932         self.goalstack18 = self.goalstack17;
 933         self.goalstack17 = self.goalstack16;
 934         self.goalstack16 = self.goalstack15;
 935         self.goalstack15 = self.goalstack14;
 936         self.goalstack14 = self.goalstack13;
 937         self.goalstack13 = self.goalstack12;
 938         self.goalstack12 = self.goalstack11;
 939         self.goalstack11 = self.goalstack10;
 940         self.goalstack10 = self.goalstack09;
 941         self.goalstack09 = self.goalstack08;
 942         self.goalstack08 = self.goalstack07;
 943         self.goalstack07 = self.goalstack06;
 944         self.goalstack06 = self.goalstack05;
 945         self.goalstack05 = self.goalstack04;
 946         self.goalstack04 = self.goalstack03;
 947         self.goalstack03 = self.goalstack02;
 948         self.goalstack02 = self.goalstack01;
 949         self.goalstack01 = self.goalcurrent;
 950         self.goalcurrent = e;
 951 };
 952
 953 // remove first goal from stack
 954 // (in other words: remove a prerequisite for reaching the later goals)
 955 // (used when a waypoint is reached)
 956 void() navigation_poproute =
 957 {
 958         self.goalcurrent = self.goalstack01;
 959         self.goalstack01 = self.goalstack02;
 960         self.goalstack02 = self.goalstack03;
 961         self.goalstack03 = self.goalstack04;
 962         self.goalstack04 = self.goalstack05;
 963         self.goalstack05 = self.goalstack06;
 964         self.goalstack06 = self.goalstack07;
 965         self.goalstack07 = self.goalstack08;
 966         self.goalstack08 = self.goalstack09;
 967         self.goalstack09 = self.goalstack10;
 968         self.goalstack10 = self.goalstack11;
 969         self.goalstack11 = self.goalstack12;
 970         self.goalstack12 = self.goalstack13;
 971         self.goalstack13 = self.goalstack14;
 972         self.goalstack14 = self.goalstack15;
 973         self.goalstack15 = self.goalstack16;
 974         self.goalstack16 = self.goalstack17;
 975         self.goalstack17 = self.goalstack18;
 976         self.goalstack18 = self.goalstack19;
 977         self.goalstack19 = self.goalstack20;
 978         self.goalstack20 = self.goalstack21;
 979         self.goalstack21 = self.goalstack22;
 980         self.goalstack22 = self.goalstack23;
 981         self.goalstack23 = self.goalstack24;
 982         self.goalstack24 = self.goalstack25;
 983         self.goalstack25 = self.goalstack26;
 984         self.goalstack26 = self.goalstack27;
 985         self.goalstack27 = self.goalstack28;
 986         self.goalstack28 = self.goalstack29;
 987         self.goalstack29 = self.goalstack30;
 988         self.goalstack30 = self.goalstack31;
 989         self.goalstack31 = world;
 990 };
 991
 992 // find the waypoint near a dynamic goal such as a dropped weapon
 993 entity(entity player, float walkfromwp) navigation_findnearestwaypoint =
 994 {
 995         local entity waylist, w, best;
 996         local float dist, bestdist;
 997         local vector v, org;
 998         org = player.origin + (player.mins_z - PL_MIN_z) * '0 0 1';
 999         if(player.tag_entity)
1000                 org = org + player.tag_entity.origin;
1001         if (navigation_testtracewalk)
1002                 te_plasmaburn(org);
1003         best = world;
1004         bestdist = 1000;
1005         waylist = findchain(classname, "waypoint");
1006         // do two scans, because box test is cheaper
1007         w = waylist;
1008         while (w)
1009         {
1010                 // if object is touching waypoint
1011                 if (boxesoverlap(org, org, w.absmin, w.absmax))
1012                         return w;
1013                 w = w.chain;
1014         }
1015         // box check failed, try walk
1016         w = waylist;
1017         while (w)
1018         {
1019                 // if object can walk from waypoint
1020                 if (w.wpisbox)
1021                 {
1022                         local vector wm1, wm2;
1023                         wm1 = w.origin + w.mins;
1024                         wm2 = w.origin + w.maxs;
1025                         v_x = bound(wm1_x, org_x, wm2_x);
1026                         v_y = bound(wm1_y, org_y, wm2_y);
1027                         v_z = bound(wm1_z, org_z, wm2_z);
1028                 }
1029                 else
1030                         v = w.origin;
1031                 dist = vlen(v - org);
1032                 if (bestdist > dist)
1033                 {
1034                         if (walkfromwp)
1035                         {
1036                                 traceline(v, org, TRUE, player);
1037                                 if (trace_fraction == 1)
1038                                 if (tracewalk(player, v, PL_MIN, PL_MAX, org))
1039                                 {
1040                                         bestdist = dist;
1041                                         best = w;
1042                                 }
1043                         }
1044                         else
1045                         {
1046                                 traceline(v, org, TRUE, player);
1047                                 if (trace_fraction == 1)
1048                                 if (tracewalk(player, org, PL_MIN, PL_MAX, v))
1049                                 {
1050                                         bestdist = dist;
1051                                         best = w;
1052                                 }
1053                         }
1054                 }
1055                 w = w.chain;
1056         }
1057         return best;
1058 }
1059
1060 // finds the waypoints near the bot initiating a navigation query
1061 void() navigation_markroutes_nearestwaypoints =
1062 {
1063         local entity head;
1064         local float dist;
1065         local vector v, m1, m2;
1066         //navigation_testtracewalk = TRUE;
1067         head = findchain(classname, "waypoint");
1068         while (head)
1069         {
1070                 m1 = head.origin + head.mins;
1071                 m2 = head.origin + head.maxs;
1072                 v = self.origin;
1073                 v_x = bound(m1_x, v_x, m2_x);
1074                 v_y = bound(m1_y, v_y, m2_y);
1075                 v_z = bound(m1_z, v_z, m2_z);
1076                 dist = vlen(v - self.origin);
1077                 if (dist < 1000)
1078                 {
1079                         if (dist < 4)
1080                         {
1081                                 // if bot is very near a waypoint don't bother doing a trace
1082                                 head.wpnearestpoint = v;
1083                                 head.wpcost = dist + head.dmg;
1084                                 head.wpfire = 1;
1085                                 head.enemy = world;
1086                         }
1087                         else
1088                         {
1089                                 tracebox(self.origin, '-16 -16 0', '16 16 0', v, TRUE, self);
1090                                 if (trace_fraction == 1)
1091                                 {
1092                                         if (tracewalk(self, self.origin, self.mins, self.maxs, v))
1093                                         {
1094                                                 head.wpnearestpoint = v;
1095                                                 head.wpcost = dist + head.dmg;
1096                                                 head.wpfire = 1;
1097                                                 head.enemy = world;
1098                                         }
1099                                 }
1100                         }
1101                 }
1102                 head = head.chain;
1103         }
1104         //navigation_testtracewalk = FALSE;
1105 }
1106
1107 // updates a path link if a waypoint link is better than the current one
1108 void(entity w, entity wp, float cost2, vector p) navigation_markroutes_checkwaypoint =
1109 {
1110         local vector m1;
1111         local vector m2;
1112         local vector v;
1113         if (wp.wpisbox)
1114         {
1115                 m1 = wp.absmin;
1116                 m2 = wp.absmax;
1117                 v_x = bound(m1_x, p_x, m2_x);
1118                 v_y = bound(m1_y, p_y, m2_y);
1119                 v_z = bound(m1_z, p_z, m2_z);
1120         }
1121         else
1122                 v = wp.origin;
1123         cost2 = cost2 + vlen(v);
1124         if (wp.wpcost > cost2)
1125         {
1126                 wp.wpcost = cost2;
1127                 wp.enemy = w;
1128                 wp.wpfire = 1;
1129                 wp.wpnearestpoint = v;
1130         }
1131 };
1132
1133 // queries the entire waypoint network for pathes leading away from the bot
1134 void() navigation_markroutes =
1135 {
1136         local entity w, wp, waylist;
1137         local float searching, cost, cost2;
1138         local vector p;
1139         w = waylist = findchain(classname, "waypoint");
1140         while (w)
1141         {
1142                 w.wpnearestpoint = '0 0 0';
1143                 w.wpcost = 10000000;
1144                 w.wpfire = 0;
1145                 w.enemy = world;
1146                 w = w.chain;
1147         }
1148         navigation_markroutes_nearestwaypoints();
1149         searching = TRUE;
1150         while (searching)
1151         {
1152                 searching = FALSE;
1153                 w = waylist;
1154                 while (w)
1155                 {
1156                         if (w.wpfire)
1157                         {
1158                                 searching = TRUE;
1159                                 w.wpfire = 0;
1160                                 cost = w.wpcost;
1161                                 p = w.wpnearestpoint;
1162                                 wp = w.wp00;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp00mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1163                                 wp = w.wp01;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp01mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1164                                 wp = w.wp02;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp02mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1165                                 wp = w.wp03;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp03mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1166                                 wp = w.wp04;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp04mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1167                                 wp = w.wp05;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp05mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1168                                 wp = w.wp06;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp06mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1169                                 wp = w.wp07;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp07mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1170                                 wp = w.wp08;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp08mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1171                                 wp = w.wp09;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp09mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1172                                 wp = w.wp10;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp10mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1173                                 wp = w.wp11;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp11mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1174                                 wp = w.wp12;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp12mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1175                                 wp = w.wp13;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp13mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1176                                 wp = w.wp14;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp14mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1177                                 wp = w.wp15;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp15mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1178                                 wp = w.wp16;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp16mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1179                                 wp = w.wp17;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp17mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1180                                 wp = w.wp18;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp18mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1181                                 wp = w.wp19;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp19mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1182                                 wp = w.wp20;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp20mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1183                                 wp = w.wp21;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp21mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1184                                 wp = w.wp22;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp22mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1185                                 wp = w.wp23;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp23mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1186                                 wp = w.wp24;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp24mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1187                                 wp = w.wp25;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp25mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1188                                 wp = w.wp26;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp26mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1189                                 wp = w.wp27;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp27mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1190                                 wp = w.wp28;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp28mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1191                                 wp = w.wp29;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp29mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1192                                 wp = w.wp30;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp30mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1193                                 wp = w.wp31;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp31mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1194                                 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
1195                         }
1196                         w = w.chain;
1197                 }
1198         }
1199 };
1200
1201 // updates the best goal according to a weighted calculation of travel cost and item value of a new proposed item
1202 void(entity e, float f) navigation_routerating =
1203 {
1204         if (!e)
1205                 return;
1206         //te_wizspike(e.origin);
1207         //bprint(etos(e));
1208         //bprint("\n");
1209         // update the cached waypoint link on a dynamic item entity
1210         if (time > e.nearestwaypointtimeout)
1211         {
1212                 e.nearestwaypoint = navigation_findnearestwaypoint(e, TRUE);
1213                 e.nearestwaypointtimeout = time + random() * 3 + 5;
1214         }
1215         if (e.nearestwaypoint)
1216         if (e.nearestwaypoint.wpcost < 10000000)
1217         {
1218                 //te_wizspike(e.nearestwaypoint.wpnearestpoint);
1219                 f = f / ((e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint)) * 0.001 + 1);
1220                 if (navigation_bestrating < f)
1221                 {
1222                         navigation_bestrating = f;
1223                         navigation_bestgoal = e;
1224                 }
1225         }
1226 };
1227
1228 // replaces the goal stack with the path to a given item
1229 void(entity e) navigation_routetogoal =
1230 {
1231         // if already going to this goal, don't stop
1232         //if (self.goalentity == e)
1233         //      return;
1234         // clear the route and add the new one
1235         navigation_clearroute();
1236         self.goalentity = e;
1237         // if there is no goal, just exit
1238         if (!e)
1239                 return;
1240         // put the entity on the goal stack as the only item
1241         navigation_pushroute(e);
1242         //te_smallflash((e.absmin + e.absmax) * 0.5);
1243         //bprint("navigation_routetogoal(");
1244         //bprint(etos(e));
1245         //bprint(") : ");
1246         //bprint(etos(e));
1247         tracebox(self.origin, '-16 -16 0', '16 16 0', e.origin, TRUE, self);
1248         if (trace_fraction == 1)
1249         if (tracewalk(self, self.origin, PL_MIN, PL_MAX, e.origin))
1250                 return;
1251         // see if there are waypoints describing a path to the item
1252         e = e.nearestwaypoint;
1253         while (e != world)
1254         {
1255                 //bprint(" ");
1256                 //bprint(etos(e));
1257                 //te_smallflash((e.absmin + e.absmax) * 0.5);
1258                 //tracebox(self.origin, '-16 -16 0', '16 16 0', e.origin, TRUE, self);
1259                 //if (trace_fraction == 1)
1260                 //if (tracewalk(self, self.origin, PL_MIN, PL_MAX, e.origin))
1261                 //      break;
1262                 // add the waypoint to the path
1263                 navigation_pushroute(e);
1264                 e = e.enemy;
1265         }
1266         //bprint("\n");
1267 };
1268
1269 // removes any currently touching waypoints from the goal stack
1270 // (this is how bots detect if they have reached a goal)
1271 void() navigation_poptouchedgoals =
1272 {
1273         local vector org, m1, m2;
1274         org = self.origin;// + self.velocity * 0.1;
1275         m1 = org + self.mins;
1276         m2 = org + self.maxs;
1277         while (self.goalcurrent && boxesoverlap(m1, m2, self.goalcurrent.absmin, self.goalcurrent.absmax))
1278                 navigation_poproute();
1279 }
1280
1281 // begin a goal selection session (queries waypoint network)
1282 void() navigation_goalrating_start =
1283 {
1284         navigation_bestrating = -1;
1285         navigation_bestgoal = world;
1286         navigation_markroutes();
1287 };
1288
1289 // ends a goal selection session (updates goal stack to the best goal)
1290 void() navigation_goalrating_end =
1291 {
1292         navigation_routetogoal(navigation_bestgoal);
1293 };
1294
1295
1296
1297
1298
1299 //////////////////////////////////////////////////////////////////////////////
1300 // general bot functions
1301 //////////////////////////////////////////////////////////////////////////////
1302
1303 .float isbot; // true if this client is actually a bot
1304
1305 float skill;
1306 entity bot_list;
1307 .entity nextbot;
1308
1309 float sv_maxspeed;
1310 .float createdtime;
1311
1312 .float bot_attack;
1313 .float bot_dodge;
1314 .float bot_dodgerating;
1315
1316 //.float bot_painintensity;
1317 .float bot_firetimer;
1318 //.float bot_oldhealth;
1319 .void() bot_ai;
1320
1321 .entity bot_aimtarg;
1322 .float bot_aimlatency;
1323 .vector bot_aimselforigin;
1324 .vector bot_aimselfvelocity;
1325 .vector bot_aimtargorigin;
1326 .vector bot_aimtargvelocity;
1327
1328 .float bot_pickup;
1329 .float(entity player, entity item) bot_pickupevalfunc;
1330 .float bot_pickupbasevalue;
1331 .float bot_canfire;
1332
1333 // used for aiming currently
1334 // FIXME: make the weapon code use these and then replace the calculations here with a call to the weapon code
1335 vector shotorg;
1336 vector shotdir;
1337
1338 const float BOTSKINS = 19;
1339 const float BOTNAMES = 32;
1340 string(float r) bot_namefornumber =
1341 {
1342         if (r <  1) return "Thunderstorm";
1343         if (r <  2) return "Darkness";
1344         if (r <  3) return "Scorcher";
1345         if (r <  4) return "Paranoia";
1346         if (r <  5) return "Eureka";
1347         if (r <  6) return "Mystery";
1348         if (r <  7) return "Toxic";
1349         if (r <  8) return "Dominion";
1350         if (r <  9) return "Pegasus";
1351         if (r < 10) return "Sensible";
1352         if (r < 11) return "Gator";
1353         if (r < 12) return "Kangaroo";
1354         if (r < 13) return "Deadline";
1355         if (r < 14) return "Frosty";
1356         if (r < 15) return "Roadkill";
1357         if (r < 16) return "Death";
1358         if (r < 17) return "Panic";
1359         if (r < 18) return "Discovery";
1360         if (r < 19) return "Shadow";
1361         if (r < 20) return "Acidic";
1362         if (r < 21) return "Dominator";
1363         if (r < 22) return "Hellfire";
1364         if (r < 23) return "Necrotic";
1365         if (r < 24) return "Newbie";
1366         if (r < 25) return "Spellbinder";
1367         if (r < 26) return "Lion";
1368         if (r < 27) return "Controlled";
1369         if (r < 28) return "Airhead";
1370         if (r < 29) return "Delirium";
1371         if (r < 30) return "Resurrection";
1372         if (r < 31) return "Danger";
1373         return "Flatline";
1374 };
1375
1376 string(float r) bot_skinfornumber =
1377 {
1378              if (r <  1) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "0";return "Carni"          ;}
1379         else if (r <  2) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "1";return "Armored Carni"  ;}
1380         else if (r <  3) {self.playermodel = "models/player/crash.zym"          ;self.playerskin = "0";return "Quark"          ;}
1381         else if (r <  4) {self.playermodel = "models/player/grunt.zym"          ;self.playerskin = "0";return "Grunt"          ;}
1382         else if (r <  5) {self.playermodel = "models/player/headhunter.zym"     ;self.playerskin = "0";return "HeadHunter"     ;}
1383         else if (r <  6) {self.playermodel = "models/player/insurrectionist.zym";self.playerskin = "0";return "Insurrectionist";}
1384         else if (r <  7) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "0";return "Lurk"           ;}
1385         else if (r <  8) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "1";return "Reptile"        ;}
1386         else if (r <  9) {self.playermodel = "models/player/lycanthrope.zym"    ;self.playerskin = "0";return "Lycanthrope"    ;}
1387         else if (r < 10) {self.playermodel = "models/player/marine.zym"         ;self.playerskin = "0";return "Marine"         ;}
1388         else if (r < 11) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "0";return "Nexus"          ;}
1389         else if (r < 12) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "1";return "Mulder"         ;}
1390         else if (r < 13) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "2";return "Xolar"          ;}
1391         else if (r < 14) {self.playermodel = "models/player/pyria.zym"          ;self.playerskin = "0";return "Pyria"          ;}
1392         else if (r < 15) {self.playermodel = "models/player/shock.zym"          ;self.playerskin = "0";return "Shock"          ;}
1393         else if (r < 16) {self.playermodel = "models/player/skadi.zym"          ;self.playerskin = "0";return "Skadi"          ;}
1394         else if (r < 17) {self.playermodel = "models/player/specop.zym"         ;self.playerskin = "0";return "Specop"         ;}
1395         else             {self.playermodel = "models/player/visitant.zym"       ;self.playerskin = "0";return "Fricka"         ;}
1396 };
1397
1398 void() bot_setnameandstuff =
1399 {
1400         local string name, prefix, suffix;
1401         local float r, b, shirt, pants;
1402
1403         prefix = cvar_string("bot_prefix");
1404         suffix = cvar_string("bot_suffix");
1405
1406         // this is really only a default, JoinBestTeam is called later
1407         pants = bound(0, floor(random() * 13), 13);
1408         //shirt = bound(0, floor(random() * 16), 15);
1409         shirt = pants;
1410         self.clientcolors = shirt * 16 + pants;
1411         self.team = pants + 1;
1412
1413         // now pick a name...
1414
1415         if (cvar("bot_usemodelnames"))
1416         {
1417                 // first see if all skins are taken
1418                 b = 0;
1419                 do
1420                 {
1421                         name = bot_skinfornumber(b);
1422                         b = b + 1;
1423                 }
1424                 while (b < BOTSKINS && find(world, netname, name));
1425
1426                 // randomly pick a skin, if it's taken either repeat until we find one,
1427                 // or give up if we already know all skins are taken
1428                 do
1429                 {
1430                         r = floor(random() * BOTSKINS);
1431                         name = bot_skinfornumber(r);
1432                 }
1433                 while (b < BOTSKINS && find(world, netname, name));
1434         }
1435         else
1436         {
1437                 // first see if all names are taken
1438                 b = 0;
1439                 do
1440                 {
1441                         name = bot_namefornumber(b);
1442                         b = b + 1;
1443                 }
1444                 while (b < BOTNAMES && find(world, netname, name));
1445
1446                 // randomly pick a name, if it's taken either repeat until we find one,
1447                 // or give up if we already know all names are taken
1448                 do
1449                 {
1450                         r = floor(random() * BOTNAMES);
1451                         name = bot_namefornumber(r);
1452                 }
1453                 while (b < BOTNAMES && find(world, netname, name));
1454
1455                 // randomly pick a skin
1456                 bot_skinfornumber(floor(random() * BOTSKINS));
1457         }
1458         if(!cvar("g_campaign"))
1459                 self.netname = strzone(strcat(prefix, name, suffix));
1460         else
1461                 self.netname = name;
1462 };
1463
1464 float bot_ignore_bots; // let bots not attack other bots (only works in non-teamplay)
1465 float(entity e) bot_shouldattack =
1466 {
1467         if (e.team == self.team)
1468         {
1469                 if (e == self)
1470                         return FALSE;
1471                 if (teamplay)
1472                 if (e.team != 0)
1473                         return FALSE;
1474         }
1475         if(!teamplay)
1476                 if(bot_ignore_bots)
1477                         if(clienttype(e) == CLIENTTYPE_BOT)
1478                                 return FALSE;
1479         if (!e.takedamage)
1480                 return FALSE;
1481         if (e.deadflag)
1482                 return FALSE;
1483         if (e.buttonchat)
1484                 return FALSE;
1485         return TRUE;
1486 };
1487
1488 void(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4) bot_lagfunc =
1489 {
1490         self.bot_aimtarg = e1;
1491         self.bot_aimlatency = self.ping; // FIXME?  Shouldn't this be in the lag item?
1492         self.bot_aimselforigin = v1;
1493         self.bot_aimselfvelocity = v2;
1494         self.bot_aimtargorigin = v3;
1495         self.bot_aimtargvelocity = v4;
1496         if(skill <= 0)
1497                 self.bot_canfire = (random() < 0.8);
1498         else if(skill <= 1)
1499                 self.bot_canfire = (random() < 0.9);
1500         else if(skill <= 2)
1501                 self.bot_canfire = (random() < 0.95);
1502         else
1503                 self.bot_canfire = 1;
1504 };
1505
1506 .float bot_badaimtime;
1507 .float bot_aimthinktime;
1508 .vector bot_mouseaim;
1509 .vector bot_badaimoffset;
1510 .vector bot_1st_order_aimfilter;
1511 .vector bot_2nd_order_aimfilter;
1512 .vector bot_3th_order_aimfilter;
1513 .vector bot_4th_order_aimfilter;
1514 .vector bot_5th_order_aimfilter;
1515 .vector bot_olddesiredang;
1516 float(vector v, float maxfiredeviation) bot_aimdir =
1517 {
1518 /*
1519         local float snapcos;
1520         local vector olddir, newdir, desireddir;
1521
1522         makevectors(self.v_angle);
1523         olddir = newdir = v_forward;
1524         desireddir = normalize(v);
1525         snapcos = cos(cvar("bot_ai_aimskill_snapangle") * frametime * (skill + 1) * 0.5);
1526         if (desireddir * olddir < v_forward_x)
1527                 newdir = desireddir;
1528         else
1529         {
1530                 local float blendrate;
1531                 blendrate = cvar("bot_ai_aimskill_blendrate") * frametime * (skill + 1) * 0.5;
1532                 newdir = olddir + (desireddir - olddir) * bound(0, blendrate, 1);
1533         }
1534
1535         // decide whether to fire this time
1536         if ((desireddir * newdir) >= cos(maxfiredeviation))
1537                 self.bot_firetimer = time + 0.3;
1538
1539         self.v_angle = vectoangles(newdir);
1540         self.v_angle_x = self.v_angle_x * -1;
1541
1542         makevectors(self.v_angle);
1543         shotorg = self.origin + self.view_ofs;
1544         shotdir = newdir;
1545
1546         return time < self.bot_firetimer;
1547 */
1548
1549         local float dist;
1550         local vector desiredang, diffang;
1551
1552         //dprint("aim ", self.netname, ": old:", vtos(self.v_angle));
1553         // make sure v_angle is sane first
1554         //self.v_angle_x = bound(-180, self.v_angle_x, 180);
1555         //while (self.v_angle_x < -180) self.v_angle_x = self.v_angle_x + 360;
1556         //while (self.v_angle_x >= 180) self.v_angle_x = self.v_angle_x - 360;
1557         while (self.v_angle_y < -180) self.v_angle_y = self.v_angle_y + 360;
1558         while (self.v_angle_y >= 180) self.v_angle_y = self.v_angle_y - 360;
1559         //while (self.v_angle_z < -180) self.v_angle_z = self.v_angle_z + 360;
1560         //while (self.v_angle_z >= 180) self.v_angle_z = self.v_angle_z - 360;
1561         self.v_angle_z = 0;
1562
1563         // get the desired angles to aim at
1564         //dprint(" at:", vtos(v));
1565         v = normalize(v);
1566         //te_lightning2(world, self.origin + self.view_ofs, self.origin + self.view_ofs + v * 200);
1567         if (time >= self.bot_badaimtime)
1568         {
1569                 self.bot_badaimtime = max(self.bot_badaimtime + 0.3, time);
1570                 self.bot_badaimoffset = randomvec() * bound(0, 5 - 0.5 * (skill+self.bot_offsetskill), 5);
1571         }
1572         desiredang = vectoangles(v) + self.bot_badaimoffset*cvar("bot_ai_aimskill_offset");
1573         //dprint(" desired:", vtos(desiredang));
1574         if (desiredang_x >= 180)
1575                 desiredang_x = desiredang_x - 360;
1576         desiredang_x = 0 - desiredang_x;
1577         desiredang_z = self.v_angle_z;
1578         desiredang_x = bound(-90, desiredang_x, 90);
1579         //dprint(" / ", vtos(desiredang));
1580
1581         //// pain throws off aim
1582         //if (self.bot_painintensity)
1583         //{
1584         //      // shake from pain
1585         //      desiredang = desiredang + randomvec() * self.bot_painintensity * 0.2;
1586         //}
1587
1588         // calculate turn angles
1589         diffang = (desiredang - self.bot_olddesiredang)*(1/frametime);
1590         self.bot_olddesiredang = desiredang;
1591         //dprint(" diff:", vtos(diffang));
1592
1593         // wrap yaw turn
1594         while (diffang_y < -180)
1595                 diffang_y = diffang_y + 360;
1596         while (diffang_y >  180)
1597                 diffang_y = diffang_y - 360;
1598
1599         // Here we will try to anticipate the comming aiming direction
1600         self.bot_1st_order_aimfilter= self.bot_1st_order_aimfilter
1601                 + (diffang                      - self.bot_1st_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_1st"),1);
1602         self.bot_2nd_order_aimfilter= self.bot_2nd_order_aimfilter
1603                 + (self.bot_1st_order_aimfilter - self.bot_2nd_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_2nd"),1);
1604         self.bot_3th_order_aimfilter= self.bot_3th_order_aimfilter
1605                 + (self.bot_2nd_order_aimfilter - self.bot_3th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_3th"),1);
1606         self.bot_4th_order_aimfilter= self.bot_4th_order_aimfilter
1607                 + (self.bot_3th_order_aimfilter - self.bot_4th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_4th"),1);
1608         self.bot_5th_order_aimfilter= self.bot_5th_order_aimfilter
1609                 + (self.bot_4th_order_aimfilter - self.bot_5th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_5th"),1);
1610
1611         local float blend;
1612         //blend = (bound(0,skill,10)*0.1)*pow(1-bound(0,skill,10)*0.05,2.5)*5.656854249; //Plot formule before changing !
1613         blend = bound(0,skill,10)*0.1;
1614         desiredang = desiredang + blend *
1615         (
1616                   self.bot_1st_order_aimfilter * cvar("bot_ai_aimskill_order_mix_1st")
1617                 + self.bot_2nd_order_aimfilter * cvar("bot_ai_aimskill_order_mix_2nd")
1618                 + self.bot_3th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_3th")
1619                 + self.bot_4th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_4th")
1620                 + self.bot_5th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_5th")
1621         );
1622         while (desiredang_z < -180)
1623                 desiredang_z = desiredang_z + 360;
1624         while (desiredang_z >  180)
1625                 desiredang_z = desiredang_z - 360;
1626         // calculate turn angles
1627         diffang = desiredang - self.bot_mouseaim;
1628         //dprint(" diff:", vtos(diffang));
1629
1630         // wrap yaw turn
1631         while (diffang_y < -180)
1632                 diffang_y = diffang_y + 360;
1633         while (diffang_y >  180)
1634                 diffang_y = diffang_y - 360;
1635
1636         if (time >= self.bot_aimthinktime)
1637         {
1638                 self.bot_aimthinktime = max(self.bot_aimthinktime + 0.5 - 0.05*(skill+self.bot_thinkskill), time);
1639                 self.bot_mouseaim = self.bot_mouseaim + diffang * (1-random()*0.1*bound(1,10-skill,10));
1640         }
1641
1642         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
1643
1644         desiredang = self.bot_mouseaim*bound(0,cvar("bot_ai_aimskill_think"),1) + desiredang * bound(0,(1-cvar("bot_ai_aimskill_think")),1);
1645
1646         // calculate turn angles
1647         diffang = desiredang - self.v_angle;
1648         //dprint(" diff:", vtos(diffang));
1649
1650         // wrap yaw turn
1651         while (diffang_y < -180)
1652                 diffang_y = diffang_y + 360;
1653         while (diffang_y >  180)
1654                 diffang_y = diffang_y - 360;
1655         // calculate turn angles
1656         diffang = desiredang - self.v_angle;
1657         //dprint(" diff:", vtos(diffang));
1658
1659         // wrap yaw turn
1660         while (diffang_y < -180)
1661                 diffang_y = diffang_y + 360;
1662         while (diffang_y >  180)
1663                 diffang_y = diffang_y - 360;
1664
1665         // jitter tracking
1666         dist = vlen(diffang);
1667         //diffang = diffang + randomvec() * (dist * 0.05 * (3.5 - bound(0, skill, 3)));
1668
1669         // turn
1670         local float r, fixedrate, blendrate;
1671         fixedrate = cvar("bot_ai_aimskill_fixedrate") / bound(1,dist,1000);
1672         blendrate = cvar("bot_ai_aimskill_blendrate");
1673         r = max(fixedrate, blendrate);
1674         //self.v_angle = self.v_angle + diffang * bound(frametime, r * frametime * (2+skill*skill*0.05-random()*0.05*(10-skill)), 1);
1675         self.v_angle = self.v_angle + diffang * bound(frametime, r * frametime * (2+pow(skill+self.bot_mouseskill,3)*0.005-random()), 1);
1676         self.v_angle = self.v_angle * bound(0,cvar("bot_ai_aimskill_mouse"),1) + desiredang * bound(0,(1-cvar("bot_ai_aimskill_mouse")),1);
1677         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
1678         //self.v_angle = self.v_angle + diffang * (1/ blendrate);
1679         self.v_angle_z = 0;
1680         while (self.v_angle_y < -180)
1681                 self.v_angle_y = self.v_angle_y + 360;
1682         while (self.v_angle_y >= 180)
1683                 self.v_angle_y = self.v_angle_y - 360;
1684         //dprint(" turn:", vtos(self.v_angle));
1685
1686         makevectors(self.v_angle);
1687         shotorg = self.origin + self.view_ofs;
1688         shotdir = v_forward;
1689
1690         //dprint(" dir:", vtos(v_forward));
1691         //te_lightning2(world, shotorg, shotorg + shotdir * 100);
1692
1693         // calculate turn angles again
1694         diffang = desiredang - self.v_angle;
1695         while (diffang_y < -180)
1696                 diffang_y = diffang_y + 360;
1697         while (diffang_y >  180)
1698                 diffang_y = diffang_y - 360;
1699
1700         //bprint("e ");bprintvector(diffang);bprint(" < ");bprintfloat(maxfiredeviation);bprint("\n");
1701
1702         // decide whether to fire this time
1703         // note the maxfiredeviation is in degrees so this has to convert to radians first
1704         //if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
1705         if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
1706                         self.bot_firetimer = time + 0.3/bound(1,skill*0.3,3);
1707         traceline(shotorg,shotorg+shotdir*1000,FALSE,world);
1708         if ( vlen(trace_endpos-shotorg)>bound(0,skill*20,20) && random()<bound(0,skill*0.5,10)*frametime*2 )
1709                 self.bot_canfire = 0;
1710         //dprint(ftos(maxfiredeviation),"\n");
1711         //dprint(" diff:", vtos(diffang), "\n");
1712
1713         return self.bot_canfire && (time < self.bot_firetimer);
1714 };
1715
1716 vector(vector targorigin, vector targvelocity, float shotspeed, float shotdelay) bot_shotlead =
1717 {
1718         // Try to add code here that predicts gravity effect here, no clue HOW to though ... well not yet atleast...
1719         return targorigin + targvelocity * (shotdelay + vlen(targorigin - shotorg) / shotspeed);
1720 };
1721
1722 float(float shotspeed, float shotspeedupward, float maxshottime, float applygravity) bot_aim =
1723 {
1724         local float f, r;
1725         local vector v;
1726         /*
1727         eprint(self);
1728         dprint("bot_aim(", ftos(shotspeed));
1729         dprint(", ", ftos(shotspeedupward));
1730         dprint(", ", ftos(maxshottime));
1731         dprint(", ", ftos(applygravity));
1732         dprint(");\n");
1733         */
1734         if (!shotspeed)
1735         {
1736                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " shotspeed is zero!\n");
1737                 shotspeed = 1000000;
1738         }
1739         if (!maxshottime)
1740         {
1741                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " maxshottime is zero!\n");
1742                 maxshottime = 1;
1743         }
1744         makevectors(self.v_angle);
1745         shotorg = self.origin + self.view_ofs;
1746         shotdir = v_forward;
1747         v = bot_shotlead(self.bot_aimtargorigin, self.bot_aimtargvelocity, shotspeed, self.bot_aimlatency);
1748         local float distanceratio;
1749         distanceratio =sqrt(bound(0,skill,10000))*0.3*(vlen(v-shotorg)-100)/cvar("bot_ai_aimskill_firetolerance_distdegrees");
1750         distanceratio = bound(0,distanceratio,1);
1751         r =  (cvar("bot_ai_aimskill_firetolerance_maxdegrees")-cvar("bot_ai_aimskill_firetolerance_mindegrees"))
1752                 * (1-distanceratio) + cvar("bot_ai_aimskill_firetolerance_mindegrees");
1753         if (applygravity && self.bot_aimtarg)
1754         {
1755                 if (!findtrajectorywithleading(shotorg, '0 0 0', '0 0 0', self.bot_aimtarg, shotspeed, shotspeedupward, maxshottime, 0, self))
1756                         return FALSE;
1757                 f = bot_aimdir(findtrajectory_velocity - shotspeedupward * '0 0 1', r);
1758         }
1759         else
1760         {
1761                 f = bot_aimdir(v - shotorg, r);
1762                 //dprint("AIM: ");dprint(vtos(self.bot_aimtargorigin));dprint(" + ");dprint(vtos(self.bot_aimtargvelocity));dprint(" * ");dprint(ftos(self.bot_aimlatency + vlen(self.bot_aimtargorigin - shotorg) / shotspeed));dprint(" = ");dprint(vtos(v));dprint(" : aimdir = ");dprint(vtos(normalize(v - shotorg)));dprint(" : ");dprint(vtos(shotdir));dprint("\n");
1763                 traceline(shotorg, shotorg + shotdir * 10000, FALSE, self);
1764                 if (trace_ent.takedamage)
1765                 if (trace_fraction < 1)
1766                 if (!bot_shouldattack(trace_ent))
1767                         return FALSE;
1768                 traceline(shotorg, self.bot_aimtargorigin, FALSE, self);
1769                 if (trace_fraction < 1)
1770                 if (trace_ent != self.enemy)
1771                 if (!bot_shouldattack(trace_ent))
1772                         return FALSE;
1773         }
1774         if (r > maxshottime * shotspeed)
1775                 return FALSE;
1776         return f;
1777 };
1778
1779 // TODO: move this painintensity code to the player damage code
1780 void() bot_think =
1781 {
1782         //if (self.bot_painintensity > 0)
1783         //      self.bot_painintensity = self.bot_painintensity - (skill + 1) * 40 * frametime;
1784
1785         //self.bot_painintensity = self.bot_painintensity + self.bot_oldhealth - self.health;
1786         //self.bot_painintensity = bound(0, self.bot_painintensity, 100);
1787
1788         if(time < restart_countdown || ((cvar("g_campaign") && !campaign_bots_may_start)))
1789         {
1790                 self.nextthink = time + 0.5;
1791                 return;
1792         }
1793
1794         if (self.fixangle)
1795         {
1796                 self.v_angle = self.angles;
1797                 self.v_angle_z = 0;
1798                 self.fixangle = FALSE;
1799         }
1800
1801         self.dmg_take = 0;
1802         self.dmg_save = 0;
1803         self.dmg_inflictor = world;
1804
1805         // calculate an aiming latency based on the skill setting
1806         // (simulated network latency + naturally delayed reflexes)
1807         //self.ping = 0.7 - bound(0, 0.05 * skill, 0.5); // moved the reflexes to bot_aimdir (under the name 'think')
1808         // minimum ping 20+10 random
1809         self.ping = bound(0,0.07 - bound(0, skill * 0.005,0.05)+random()*0.01,0.65); // Now holds real lag to server, and higer skill players take a less laggy server
1810         // skill 10 = ping 0.2 (adrenaline)
1811         // skill 0 = ping 0.7 (slightly drunk)
1812
1813         // clear buttons
1814         self.button0 = 0;
1815         self.button1 = 0;
1816         self.button2 = 0;
1817         self.button3 = 0;
1818         self.button4 = 0;
1819         self.button5 = 0;
1820         self.button6 = 0;
1821         self.button7 = 0;
1822         self.button8 = 0;
1823         self.buttonchat = 0;
1824         self.buttonuse = 0;
1825
1826         // if dead, just wait until we can respawn
1827         if (self.deadflag)
1828         {
1829                 if (self.deadflag == DEAD_DEAD)
1830                         self.button2 = 1; // press jump to respawn
1831                 return;
1832         }
1833
1834         // now call the current bot AI (havocbot for example)
1835         self.bot_ai();
1836 };
1837
1838 entity bot_strategytoken;
1839 entity player_list;
1840 .entity nextplayer;
1841 void() bot_relinkplayerlist =
1842 {
1843         local entity e;
1844         local entity prevbot;
1845         player_count = 0;
1846         currentbots = 0;
1847         player_list = e = findchainflags(flags, FL_CLIENT);
1848         bot_list = world;
1849         prevbot = world;
1850         while (e)
1851         {
1852                 player_count = player_count + 1;
1853                 e.nextplayer = e.chain;
1854                 if (clienttype(e) == CLIENTTYPE_BOT)
1855                 {
1856                         if (prevbot)
1857                                 prevbot.nextbot = e;
1858                         else
1859                                 bot_list = e;
1860                         prevbot = e;
1861                         currentbots = currentbots + 1;
1862                 }
1863                 e = e.chain;
1864         }
1865         dprint(strcat("relink: ", ftos(currentbots), " bots seen.\n"));
1866         bot_strategytoken = bot_list;
1867 };
1868
1869 void() havocbot_setupbot;
1870 float JoinBestTeam(entity pl, float only_return_best);
1871
1872 void() bot_clientconnect =
1873 {
1874         if (clienttype(self) != CLIENTTYPE_BOT)
1875                 return;
1876         self.lag_func = bot_lagfunc;
1877         self.isbot = TRUE;
1878         self.createdtime = self.nextthink;
1879         JoinBestTeam(self, FALSE);
1880         havocbot_setupbot();
1881         self.bot_mouseskill=random()-0.5;
1882         self.bot_thinkskill=random()-0.5;
1883         self.bot_predictionskill=random()-0.5;
1884         self.bot_offsetskill=random()-0.5;
1885 };
1886
1887 entity() bot_spawn =
1888 {
1889         local entity oldself, bot;
1890         bot = spawnclient();
1891         if (bot)
1892         {
1893                 currentbots = currentbots + 1;
1894                 oldself = self;
1895                 self = bot;
1896                 bot_setnameandstuff();
1897                 ClientConnect();
1898                 PutClientInServer();
1899                 self = oldself;
1900         }
1901         return bot;
1902 };
1903
1904 void CheckAllowedTeams(entity for_whom); void GetTeamCounts(entity other); float c1, c2, c3, c4;
1905 void() bot_removefromlargestteam =
1906 {
1907         local float besttime, bestcount, thiscount;
1908         local entity best, head;
1909         CheckAllowedTeams(world);
1910         GetTeamCounts(world);
1911         head = findchainfloat(isbot, TRUE);
1912         if (!head)
1913                 return;
1914         best = head;
1915         besttime = head.createdtime;
1916         bestcount = 0;
1917         while (head)
1918         {
1919                 if(head.team == COLOR_TEAM1)
1920                         thiscount = c1;
1921                 else if(head.team == COLOR_TEAM2)
1922                         thiscount = c2;
1923                 else if(head.team == COLOR_TEAM3)
1924                         thiscount = c3;
1925                 else if(head.team == COLOR_TEAM4)
1926                         thiscount = c4;
1927                 else
1928                         thiscount = 0;
1929                 if (thiscount > bestcount)
1930                 {
1931                         bestcount = thiscount;
1932                         besttime = head.createdtime;
1933                         best = head;
1934                 }
1935                 else if (thiscount == bestcount && besttime < head.createdtime)
1936                 {
1937                         besttime = head.createdtime;
1938                         best = head;
1939                 }
1940                 head = head.chain;
1941         }
1942         currentbots = currentbots - 1;
1943         dropclient(best);
1944 };
1945
1946 void() bot_removenewest =
1947 {
1948         local float besttime;
1949         local entity best, head;
1950
1951         if(teams_matter)
1952         {
1953                 bot_removefromlargestteam();
1954                 return;
1955         }
1956
1957         head = findchainfloat(isbot, TRUE);
1958         if (!head)
1959                 return;
1960         best = head;
1961         besttime = head.createdtime;
1962         while (head)
1963         {
1964                 if (besttime < head.createdtime)
1965                 {
1966                         besttime = head.createdtime;
1967                         best = head;
1968                 }
1969                 head = head.chain;
1970         }
1971         currentbots = currentbots - 1;
1972         dropclient(best);
1973 };
1974
1975 float botframe_waypointeditorlightningtime;
1976 void() botframe_showwaypointlinks =
1977 {
1978         local entity player, head, w;
1979         if (time < botframe_waypointeditorlightningtime)
1980                 return;
1981         botframe_waypointeditorlightningtime = time + 0.5;
1982         player = find(world, classname, "player");
1983         while (player)
1984         {
1985                 if (!player.isbot)
1986                 if (player.flags & FL_ONGROUND)
1987                 {
1988                         //navigation_testtracewalk = TRUE;
1989                         head = navigation_findnearestwaypoint(player, FALSE);
1990                         //navigation_testtracewalk = FALSE;
1991                         if (head)
1992                         {
1993                                 w = head     ;if (w) te_lightning2(world, w.origin, player.origin);
1994                                 w = head.wp00;if (w) te_lightning2(world, w.origin, head.origin);
1995                                 w = head.wp01;if (w) te_lightning2(world, w.origin, head.origin);
1996                                 w = head.wp02;if (w) te_lightning2(world, w.origin, head.origin);
1997                                 w = head.wp03;if (w) te_lightning2(world, w.origin, head.origin);
1998                                 w = head.wp04;if (w) te_lightning2(world, w.origin, head.origin);
1999                                 w = head.wp05;if (w) te_lightning2(world, w.origin, head.origin);
2000                                 w = head.wp06;if (w) te_lightning2(world, w.origin, head.origin);
2001                                 w = head.wp07;if (w) te_lightning2(world, w.origin, head.origin);
2002                                 w = head.wp08;if (w) te_lightning2(world, w.origin, head.origin);
2003                                 w = head.wp09;if (w) te_lightning2(world, w.origin, head.origin);
2004                                 w = head.wp10;if (w) te_lightning2(world, w.origin, head.origin);
2005                                 w = head.wp11;if (w) te_lightning2(world, w.origin, head.origin);
2006                                 w = head.wp12;if (w) te_lightning2(world, w.origin, head.origin);
2007                                 w = head.wp13;if (w) te_lightning2(world, w.origin, head.origin);
2008                                 w = head.wp14;if (w) te_lightning2(world, w.origin, head.origin);
2009                                 w = head.wp15;if (w) te_lightning2(world, w.origin, head.origin);
2010                                 w = head.wp16;if (w) te_lightning2(world, w.origin, head.origin);
2011                                 w = head.wp17;if (w) te_lightning2(world, w.origin, head.origin);
2012                                 w = head.wp18;if (w) te_lightning2(world, w.origin, head.origin);
2013                                 w = head.wp19;if (w) te_lightning2(world, w.origin, head.origin);
2014                                 w = head.wp20;if (w) te_lightning2(world, w.origin, head.origin);
2015                                 w = head.wp21;if (w) te_lightning2(world, w.origin, head.origin);
2016                                 w = head.wp22;if (w) te_lightning2(world, w.origin, head.origin);
2017                                 w = head.wp23;if (w) te_lightning2(world, w.origin, head.origin);
2018                                 w = head.wp24;if (w) te_lightning2(world, w.origin, head.origin);
2019                                 w = head.wp25;if (w) te_lightning2(world, w.origin, head.origin);
2020                                 w = head.wp26;if (w) te_lightning2(world, w.origin, head.origin);
2021                                 w = head.wp27;if (w) te_lightning2(world, w.origin, head.origin);
2022                                 w = head.wp28;if (w) te_lightning2(world, w.origin, head.origin);
2023                                 w = head.wp29;if (w) te_lightning2(world, w.origin, head.origin);
2024                                 w = head.wp30;if (w) te_lightning2(world, w.origin, head.origin);
2025                                 w = head.wp31;if (w) te_lightning2(world, w.origin, head.origin);
2026                         }
2027                 }
2028                 player = find(player, classname, "player");
2029         }
2030 };
2031
2032 entity botframe_dangerwaypoint;
2033 void() botframe_updatedangerousobjects =
2034 {
2035         local entity head, bot_dodgelist;
2036         local vector m1, m2, v;
2037         local float c, d, danger;
2038         c = 0;
2039         bot_dodgelist = findchainfloat(bot_dodge, TRUE);
2040         botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2041         while (botframe_dangerwaypoint != world)
2042         {
2043                 danger = 0;
2044                 m1 = botframe_dangerwaypoint.mins;
2045                 m2 = botframe_dangerwaypoint.maxs;
2046                 head = bot_dodgelist;
2047                 while (head)
2048                 {
2049                         v = head.origin;
2050                         v_x = bound(m1_x, v_x, m2_x);
2051                         v_y = bound(m1_y, v_y, m2_y);
2052                         v_z = bound(m1_z, v_z, m2_z);
2053                         d = head.bot_dodgerating - vlen(head.origin - v);
2054                         if (d > 0)
2055                         {
2056                                 traceline(head.origin, v, TRUE, world);
2057                                 if (trace_fraction == 1)
2058                                         danger = danger + d;
2059                         }
2060                         head = head.chain;
2061                 }
2062                 botframe_dangerwaypoint.dmg = danger;
2063                 c = c + 1;
2064                 if (c >= 256)
2065                         break;
2066                 botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2067         }
2068 };
2069
2070
2071 float botframe_spawnedwaypoints;
2072 float botframe_nextthink;
2073
2074 float autoskill_nextthink;
2075 .float totalfrags_lastcheck;
2076 void(float factor) autoskill =
2077 {
2078         float bestbot;
2079         float bestplayer;
2080         entity head;
2081
2082         bestbot = -1;
2083         bestplayer = -1;
2084         FOR_EACH_PLAYER(head)
2085         {
2086                 if(clienttype(head) == CLIENTTYPE_REAL)
2087                         bestplayer = max(bestplayer, head.totalfrags - head.totalfrags_lastcheck);
2088                 else
2089                         bestbot = max(bestbot, head.totalfrags - head.totalfrags_lastcheck);
2090         }
2091
2092         dprint("autoskill: best player got ", ftos(bestplayer), ", ");
2093         dprint("best bot got ", ftos(bestbot), "; ");
2094         if(bestbot < 0 || bestplayer < 0)
2095         {
2096                 dprint("not doing anything\n");
2097                 // don't return, let it reset all counters below
2098         }
2099         else if(bestbot <= bestplayer * factor - 2)
2100         {
2101                 if(cvar("skill") < 17)
2102                 {
2103                         dprint("2 frags difference, increasing skill\n");
2104                         cvar_set("skill", ftos(cvar("skill") + 1));
2105                         bprint("^2SKILL UP!^7 Now at level ", ftos(cvar("skill")), "\n");
2106                 }
2107         }
2108         else if(bestbot >= bestplayer * factor + 2)
2109         {
2110                 if(cvar("skill") > 0)
2111                 {
2112                         dprint("2 frags difference, decreasing skill\n");
2113                         cvar_set("skill", ftos(cvar("skill") - 1));
2114                         bprint("^1SKILL DOWN!^7 Now at level ", ftos(cvar("skill")), "\n");
2115                 }
2116         }
2117         else
2118         {
2119                 dprint("not doing anything\n");
2120                 return;
2121                 // don't reset counters, wait for them to accumulate
2122         }
2123
2124         FOR_EACH_PLAYER(head)
2125                 head.totalfrags_lastcheck = head.totalfrags;
2126 }
2127
2128 void() bot_serverframe =
2129 {
2130         float realplayers, bots, activerealplayers;
2131         entity head;
2132
2133         if (intermission_running)
2134                 return;
2135
2136         if (time < 2)
2137                 return;
2138
2139         if(time > autoskill_nextthink)
2140         {
2141                 float a;
2142                 a = cvar("skill_auto");
2143                 if(!cvar("g_campaign"))
2144                         if(a)
2145                                 autoskill(a);
2146                 autoskill_nextthink = time + 5;
2147         }
2148
2149         activerealplayers = 0;
2150         realplayers = 0;
2151
2152         FOR_EACH_REALCLIENT(head)
2153         {
2154                 if(head.classname == "player" || g_lms || g_arena)
2155                         ++activerealplayers;
2156                 ++realplayers;
2157         }
2158
2159         // add/remove bots if needed to make sure there are at least
2160         // minplayers+bot_number, or remove all bots if no one is playing
2161         // But don't remove bots immediately on level change, as the real players
2162         // usually haven't rejoined yet
2163         bots_would_leave = FALSE;
2164         if (realplayers || cvar("bot_join_empty") || (currentbots > 0 && time < 5))
2165         {
2166                 float realminplayers, minplayers;
2167                 realminplayers = cvar("minplayers");
2168                 minplayers = max(0, floor(realminplayers));
2169
2170                 float realminbots, minbots;
2171                 if(cvar("bot_vs_human"))
2172                         realminbots = ceil(fabs(cvar("bot_vs_human")) * activerealplayers);
2173                 else
2174                         realminbots = cvar("bot_number");
2175                 minbots = max(0, floor(realminbots));
2176
2177                 bots = min(max(minbots, minplayers - activerealplayers), maxclients - realplayers);
2178                 if(bots > minbots)
2179                         bots_would_leave = TRUE;
2180         }
2181         else
2182         {
2183                 // if there are no players, remove bots
2184                 bots = 0;
2185         }
2186
2187         bot_ignore_bots = cvar("bot_ignore_bots");
2188
2189         // only add one bot per frame to avoid utter chaos
2190         if(time > botframe_nextthink)
2191         {
2192                 //dprint(ftos(bots), " ? ", ftos(currentbots), "\n");
2193                 while (currentbots < bots)
2194                 {
2195                         if (bot_spawn() == world)
2196                         {
2197                                 bprint("Can not add bot, server full.\n");
2198                                 botframe_nextthink = time + 10;
2199                                 break;
2200                         }
2201                 }
2202                 while (currentbots > bots)
2203                         bot_removenewest();
2204         }
2205
2206         if(botframe_spawnedwaypoints)
2207         {
2208                 if(cvar("waypoint_benchmark"))
2209                         localcmd("quit\n");
2210         }
2211
2212         if (currentbots > 0 || cvar("g_waypointeditor"))
2213         if (!botframe_spawnedwaypoints)
2214         {
2215                 botframe_spawnedwaypoints = TRUE;
2216                 waypoint_loadall();
2217                 waypoint_schedulerelinkall();
2218         }
2219
2220         if (bot_list)
2221         {
2222                 // cycle the goal token from one bot to the next each frame
2223                 // (this prevents them from all doing waypoint searches on the same
2224                 //  frame, which causes choppy framerates)
2225                 if (bot_strategytoken)
2226                         bot_strategytoken = bot_strategytoken.nextbot;
2227                 if (!bot_strategytoken)
2228                         bot_strategytoken = bot_list;
2229
2230                 botframe_updatedangerousobjects();
2231         }
2232
2233         if (cvar("g_waypointeditor"))
2234                 botframe_showwaypointlinks();
2235 };