qcsrc/server/bot/havocbot/havocbot.qc

   1 #include "havocbot.qh"
   2 #include "role_ctf.qc"
   3 #include "role_onslaught.qc"
   4 #include "role_keyhunt.qc"
   5 #include "roles.qc"
   6
   7 void havocbot_ai()
   8 {
   9         if(self.draggedby)
  10                 return;
  11
  12         if(bot_execute_commands())
  13                 return;
  14
  15         if (bot_strategytoken == self)
  16         if (!bot_strategytoken_taken)
  17         {
  18                 if(self.havocbot_blockhead)
  19                 {
  20                         self.havocbot_blockhead = FALSE;
  21                 }
  22                 else
  23                 {
  24                         if not(self.jumppadcount)
  25                                 self.havocbot_role();
  26                 }
  27
  28                 // TODO: tracewalk() should take care of this job (better path finding under water)
  29                 // if we don't have a goal and we're under water look for a waypoint near the "shore" and push it
  30                 if(self.deadflag != DEAD_NO)
  31                 if(self.goalcurrent==world)
  32                 if(self.waterlevel==WATERLEVEL_SWIMMING || self.aistatus & AI_STATUS_OUT_WATER)
  33                 {
  34                         // Look for the closest waypoint out of water
  35                         local entity newgoal, head;
  36                         local float bestdistance, distance;
  37
  38                         newgoal = world;
  39                         bestdistance = 10000;
  40                         for (head = findchain(classname, "waypoint"); head; head = head.chain)
  41                         {
  42                                 distance = vlen(head.origin - self.origin);
  43                                 if(distance>10000)
  44                                         continue;
  45
  46                                 if(head.origin_z < self.origin_z)
  47                                         continue;
  48
  49                                 if(head.origin_z - self.origin_z - self.view_ofs_z > 100)
  50                                         continue;
  51
  52                                 if (pointcontents(head.origin + head.maxs + '0 0 1') != CONTENT_EMPTY)
  53                                         continue;
  54
  55                                 traceline(self.origin + self.view_ofs , head.origin, TRUE, head);
  56
  57                                 if(trace_fraction<1)
  58                                         continue;
  59
  60                                 if(distance<bestdistance)
  61                                 {
  62                                         newgoal = head;
  63                                         bestdistance = distance;
  64                                 }
  65                         }
  66
  67                         if(newgoal)
  68                         {
  69                         //      te_wizspike(newgoal.origin);
  70                                 navigation_pushroute(newgoal);
  71                         }
  72                 }
  73
  74                 // token has been used this frame
  75                 bot_strategytoken_taken = TRUE;
  76         }
  77
  78         if(self.deadflag != DEAD_NO)
  79                 return;
  80
  81         havocbot_chooseenemy();
  82         if (self.bot_chooseweapontime < time )
  83         {
  84                 self.bot_chooseweapontime = time + autocvar_bot_ai_chooseweaponinterval;
  85                 havocbot_chooseweapon();
  86         }
  87         havocbot_aim();
  88         lag_update();
  89         if (self.bot_aimtarg)
  90         {
  91                 self.aistatus |= AI_STATUS_ATTACKING;
  92                 self.aistatus &~= AI_STATUS_ROAMING;
  93
  94                 if(self.weapons)
  95                 {
  96                         weapon_action(self.weapon, WR_AIM);
  97                         if (autocvar_bot_nofire || IS_INDEPENDENT_PLAYER(self))
  98                         {
  99                                 self.BUTTON_ATCK = FALSE;
 100                                 self.BUTTON_ATCK2 = FALSE;
 101                         }
 102                         else
 103                         {
 104                                 if(self.BUTTON_ATCK||self.BUTTON_ATCK2)
 105                                         self.lastfiredweapon = self.weapon;
 106                         }
 107                 }
 108                 else
 109                 {
 110                         if(self.bot_aimtarg.classname=="player")
 111                                 bot_aimdir(self.bot_aimtarg.origin + self.bot_aimtarg.view_ofs - self.origin - self.view_ofs , -1);
 112                 }
 113         }
 114         else if (self.goalcurrent)
 115         {
 116                 self.aistatus |= AI_STATUS_ROAMING;
 117                 self.aistatus &~= AI_STATUS_ATTACKING;
 118
 119                 local vector now,v,next;//,heading;
 120                 local float aimdistance,skillblend,distanceblend,blend;
 121                 next = now = self.goalcurrent.origin - (self.origin + self.view_ofs);
 122                 aimdistance = vlen(now);
 123                 //heading = self.velocity;
 124                 //dprint(self.goalstack01.classname,etos(self.goalstack01),"\n");
 125                 if(
 126                         self.goalstack01 != self && self.goalstack01 != world && self.aistatus & AI_STATUS_RUNNING == 0 &&
 127                         !(self.goalcurrent.wpflags & WAYPOINTFLAG_TELEPORT)
 128                 )
 129                         next = self.goalstack01.origin - (self.origin + self.view_ofs);
 130
 131                 skillblend=bound(0,(skill+self.bot_moveskill-2.5)*0.5,1); //lower skill player can't preturn
 132                 distanceblend=bound(0,aimdistance/autocvar_bot_ai_keyboard_distance,1);
 133                 blend = skillblend * (1-distanceblend);
 134                 //v = (now * (distanceblend) + next * (1-distanceblend)) * (skillblend) + now * (1-skillblend);
 135                 //v = now * (distanceblend) * (skillblend) + next * (1-distanceblend) * (skillblend) + now * (1-skillblend);
 136                 //v = now * ((1-skillblend) + (distanceblend) * (skillblend)) + next * (1-distanceblend) * (skillblend);
 137                 v = now + blend * (next - now);
 138                 //dprint(etos(self), " ");
 139                 //dprint(vtos(now), ":", vtos(next), "=", vtos(v), " (blend ", ftos(blend), ")\n");
 140                 //v = now * (distanceblend) + next * (1-distanceblend);
 141                 if (self.waterlevel < WATERLEVEL_SWIMMING)
 142                         v_z = 0;
 143                 //dprint("walk at:", vtos(v), "\n");
 144                 //te_lightning2(world, self.origin, self.goalcurrent.origin);
 145                 bot_aimdir(v, -1);
 146         }
 147         havocbot_movetogoal();
 148 };
 149
 150 void havocbot_keyboard_movement(vector destorg)
 151 {
 152         local vector keyboard;
 153         local float blend, maxspeed;
 154         float sk;
 155
 156         sk = skill + self.bot_moveskill;
 157
 158         maxspeed = autocvar_sv_maxspeed;
 159
 160         if (time < self.havocbot_keyboardtime)
 161                 return;
 162
 163         self.havocbot_keyboardtime =
 164                 max(
 165                         self.havocbot_keyboardtime
 166                                 + 0.05/max(1, sk+self.havocbot_keyboardskill)
 167                                 + random()*0.025/max(0.00025, skill+self.havocbot_keyboardskill)
 168                 , time);
 169         keyboard = self.movement * (1.0 / maxspeed);
 170
 171         local float trigger, trigger1;
 172         blend = bound(0,sk*0.1,1);
 173         trigger = autocvar_bot_ai_keyboard_treshold;
 174         trigger1 = 0 - trigger;
 175
 176         // categorize forward movement
 177         // at skill < 1.5 only forward
 178         // at skill < 2.5 only individual directions
 179         // at skill < 4.5 only individual directions, and forward diagonals
 180         // at skill >= 4.5, all cases allowed
 181         if (keyboard_x > trigger)
 182         {
 183                 keyboard_x = 1;
 184                 if (sk < 2.5)
 185                         keyboard_y = 0;
 186         }
 187         else if (keyboard_x < trigger1 && sk > 1.5)
 188         {
 189                 keyboard_x = -1;
 190                 if (sk < 4.5)
 191                         keyboard_y = 0;
 192         }
 193         else
 194         {
 195                 keyboard_x = 0;
 196                 if (sk < 1.5)
 197                         keyboard_y = 0;
 198         }
 199         if (sk < 4.5)
 200                 keyboard_z = 0;
 201
 202         if (keyboard_y > trigger)
 203                 keyboard_y = 1;
 204         else if (keyboard_y < trigger1)
 205                 keyboard_y = -1;
 206         else
 207                 keyboard_y = 0;
 208
 209         if (keyboard_z > trigger)
 210                 keyboard_z = 1;
 211         else if (keyboard_z < trigger1)
 212                 keyboard_z = -1;
 213         else
 214                 keyboard_z = 0;
 215
 216         self.havocbot_keyboard = keyboard * maxspeed;
 217         if (self.havocbot_ducktime>time) self.BUTTON_CROUCH=TRUE;
 218
 219         keyboard = self.havocbot_keyboard;
 220         blend = bound(0,vlen(destorg-self.origin)/autocvar_bot_ai_keyboard_distance,1); // When getting close move with 360 degree
 221         //dprint("movement ", vtos(self.movement), " keyboard ", vtos(keyboard), " blend ", ftos(blend), "\n");
 222         self.movement = self.movement + (keyboard - self.movement) * blend;
 223 };
 224
 225 void havocbot_bunnyhop(vector dir)
 226 {
 227         local float bunnyhopdistance;
 228         local vector deviation;
 229         local float maxspeed;
 230
 231         if(autocvar_g_midair)
 232                 return;
 233
 234         // Don't jump when using some weapons
 235         /*
 236         if(self.aistatus & AI_STATUS_ATTACKING)
 237         if(self.weapon == WEP_SNIPERRIFLE)
 238                 return;
 239
 240         if(self.goalcurrent.classname == "player")
 241                 return;
 242         */
 243
 244         maxspeed = autocvar_sv_maxspeed;
 245
 246         if(self.aistatus & AI_STATUS_DANGER_AHEAD)
 247         {
 248                 self.aistatus &~= AI_STATUS_RUNNING;
 249                 self.BUTTON_JUMP = FALSE;
 250                 self.bot_canruntogoal = 0;
 251                 self.bot_timelastseengoal = 0;
 252                 return;
 253         }
 254
 255         if(self.waterlevel > WATERLEVEL_WETFEET)
 256         {
 257                 self.aistatus &~= AI_STATUS_RUNNING;
 258                 return;
 259         }
 260
 261         if(self.bot_lastseengoal != self.goalcurrent && !(self.aistatus & AI_STATUS_RUNNING))
 262         {
 263                 self.bot_canruntogoal = 0;
 264                 self.bot_timelastseengoal = 0;
 265         }
 266
 267         bunnyhopdistance = vlen(self.origin - self.goalcurrent.origin);
 268
 269         // Run only to visible goals
 270         if(self.flags & FL_ONGROUND)
 271         if(self.speed==maxspeed)
 272         if(checkpvs(self.origin + self.view_ofs, self.goalcurrent))
 273         {
 274                         self.bot_lastseengoal = self.goalcurrent;
 275
 276                         // seen it before
 277                         if(self.bot_timelastseengoal)
 278                         {
 279                                 // for a period of time
 280                                 if(time - self.bot_timelastseengoal > autocvar_bot_ai_bunnyhop_firstjumpdelay)
 281                                 {
 282                                         local float checkdistance;
 283                                         checkdistance = TRUE;
 284
 285                                         // don't run if it is too close
 286                                         if(self.bot_canruntogoal==0)
 287                                         {
 288                                                 if(bunnyhopdistance > autocvar_bot_ai_bunnyhop_startdistance)
 289                                                         self.bot_canruntogoal = 1;
 290                                                 else
 291                                                         self.bot_canruntogoal = -1;
 292                                         }
 293
 294                                         if(self.bot_canruntogoal != 1)
 295                                                 return;
 296
 297                                         if(self.aistatus & AI_STATUS_ROAMING)
 298                                         if(self.goalcurrent.classname=="waypoint")
 299                                         if not(self.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL)
 300                                         if(fabs(self.goalcurrent.origin_z - self.origin_z) < self.maxs_z - self.mins_z)
 301                                         if(self.goalstack01!=world)
 302                                         {
 303                                                 deviation = vectoangles(self.goalstack01.origin - self.origin) - vectoangles(self.goalcurrent.origin - self.origin);
 304                                                 while (deviation_y < -180) deviation_y = deviation_y + 360;
 305                                                 while (deviation_y > 180) deviation_y = deviation_y - 360;
 306
 307                                                 if(fabs(deviation_y) < 20)
 308                                                 if(bunnyhopdistance < vlen(self.origin - self.goalstack01.origin))
 309                                                 if(fabs(self.goalstack01.origin_z - self.goalcurrent.origin_z) < self.maxs_z - self.mins_z)
 310                                                 {
 311                                                         if(vlen(self.goalcurrent.origin - self.goalstack01.origin) > autocvar_bot_ai_bunnyhop_startdistance)
 312                                                         if(checkpvs(self.origin + self.view_ofs, self.goalstack01))
 313                                                         {
 314                                                                 checkdistance = FALSE;
 315                                                         }
 316                                                 }
 317                                         }
 318
 319                                         if(checkdistance)
 320                                         {
 321                                                 self.aistatus &~= AI_STATUS_RUNNING;
 322                                                 if(bunnyhopdistance > autocvar_bot_ai_bunnyhop_stopdistance)
 323                                                         self.BUTTON_JUMP = TRUE;
 324                                         }
 325                                         else
 326                                         {
 327                                                 self.aistatus |= AI_STATUS_RUNNING;
 328                                                 self.BUTTON_JUMP = TRUE;
 329                                         }
 330                                 }
 331                         }
 332                         else
 333                         {
 334                                 self.bot_timelastseengoal = time;
 335                         }
 336         }
 337         else
 338         {
 339                 self.bot_timelastseengoal = 0;
 340         }
 341
 342         // Release jump button
 343         if(!cvar("sv_pogostick"))
 344         if(self.flags & FL_ONGROUND == 0)
 345         {
 346                 if(self.velocity_z < 0 || vlen(self.velocity)<maxspeed)
 347                         self.BUTTON_JUMP = FALSE;
 348
 349                 // Strafe
 350                 if(self.aistatus & AI_STATUS_RUNNING)
 351                 if(vlen(self.velocity)>maxspeed)
 352                 {
 353                         deviation = vectoangles(dir) - vectoangles(self.velocity);
 354                         while (deviation_y < -180) deviation_y = deviation_y + 360;
 355                         while (deviation_y > 180) deviation_y = deviation_y - 360;
 356
 357                         if(fabs(deviation_y)>10)
 358                                 self.movement_x = 0;
 359
 360                         if(deviation_y>10)
 361                                 self.movement_y = maxspeed * -1;
 362                         else if(deviation_y<10)
 363                                 self.movement_y = maxspeed;
 364
 365                 }
 366         }
 367 };
 368
 369 void havocbot_movetogoal()
 370 {
 371         local vector destorg;
 372         local vector diff;
 373         local vector dir;
 374         local vector flatdir;
 375         local vector m1;
 376         local vector m2;
 377         local vector evadeobstacle;
 378         local vector evadelava;
 379         local float s;
 380         local float maxspeed;
 381         //local float dist;
 382         local vector dodge;
 383         //if (self.goalentity)
 384         //      te_lightning2(self, self.origin, (self.goalentity.absmin + self.goalentity.absmax) * 0.5);
 385         self.movement = '0 0 0';
 386         maxspeed = autocvar_sv_maxspeed;
 387
 388         // Jetpack navigation
 389         if(self.goalcurrent)
 390         if(self.navigation_jetpack_goal)
 391         if(self.goalcurrent==self.navigation_jetpack_goal)
 392         if(self.ammo_fuel)
 393         {
 394                 #ifdef DEBUG_BOT_GOALSTACK
 395                         debuggoalstack();
 396                         te_wizspike(self.navigation_jetpack_point);
 397                 #endif
 398
 399                 // Take off
 400                 if not(self.aistatus & AI_STATUS_JETPACK_FLYING)
 401                 {
 402                         // Brake almost completely so it can get a good direction
 403                         if(vlen(self.velocity)>10)
 404                                 return;
 405                         self.aistatus |= AI_STATUS_JETPACK_FLYING;
 406                 }
 407
 408                 makevectors(self.v_angle_y * '0 1 0');
 409                 dir = normalize(self.navigation_jetpack_point - self.origin);
 410
 411                 // Landing
 412                 if(self.aistatus & AI_STATUS_JETPACK_LANDING)
 413                 {
 414                         // Calculate brake distance in xy
 415                         float db, v, d;
 416                         vector dxy;
 417
 418                         dxy = self.origin - self.goalcurrent.origin; dxy_z = 0;
 419                         d = vlen(dxy);
 420                         v = vlen(self.velocity -  self.velocity_z * '0 0 1');
 421                         db = (pow(v,2) / (autocvar_g_jetpack_acceleration_side * 2)) + 100;
 422                 //      dprint("distance ", ftos(ceil(d)), " velocity ", ftos(ceil(v)), " brake at ", ftos(ceil(db)), "\n");
 423                         if(d < db || d < 500)
 424                         {
 425                                 // Brake
 426                                 if(fabs(self.velocity_x)>maxspeed*0.3)
 427                                 {
 428                                         self.movement_x = dir * v_forward * -maxspeed;
 429                                         return;
 430                                 }
 431                                 // Switch to normal mode
 432                                 self.navigation_jetpack_goal = world;
 433                                 self.aistatus &~= AI_STATUS_JETPACK_LANDING;
 434                                 self.aistatus &~= AI_STATUS_JETPACK_FLYING;
 435                                 return;
 436                         }
 437                 }
 438                 else if(checkpvs(self.origin,self.goalcurrent))
 439                 {
 440                         // If I can see the goal switch to landing code
 441                         self.aistatus &~= AI_STATUS_JETPACK_FLYING;
 442                         self.aistatus |= AI_STATUS_JETPACK_LANDING;
 443                         return;
 444                 }
 445
 446                 // Flying
 447                 self.BUTTON_HOOK = TRUE;
 448                 if(self.navigation_jetpack_point_z - PL_MAX_z + PL_MIN_z < self.origin_z)
 449                 {
 450                         self.movement_x = dir * v_forward * maxspeed;
 451                         self.movement_y = dir * v_right * maxspeed;
 452                 }
 453                 return;
 454         }
 455
 456         // Handling of jump pads
 457         if(self.jumppadcount)
 458         {
 459                 // If got stuck on the jump pad try to reach the farthest visible item
 460                 if(self.aistatus & AI_STATUS_OUT_JUMPPAD)
 461                 {
 462                         if(fabs(self.velocity_z)<50)
 463                         {
 464                                 local entity head, newgoal;
 465                                 local float distance, bestdistance;
 466
 467                                 for (head = findchainfloat(bot_pickup, TRUE); head; head = head.chain)
 468                                 {
 469                                         if(head.classname=="worldspawn")
 470                                                 continue;
 471
 472                                         distance = vlen(head.origin - self.origin);
 473                                         if(distance>1000)
 474                                                 continue;
 475
 476                                         traceline(self.origin + self.view_ofs , head.origin, TRUE, world);
 477
 478                                         if(trace_fraction<1)
 479                                                 continue;
 480
 481                                         if(distance>bestdistance)
 482                                         {
 483                                                 newgoal = head;
 484                                                 bestdistance = distance;
 485                                         }
 486                                 }
 487
 488                                 if(newgoal)
 489                                 {
 490                                         self.ignoregoal = self.goalcurrent;
 491                                         self.ignoregoaltime = time + autocvar_bot_ai_ignoregoal_timeout;
 492                                         navigation_clearroute();
 493                                         navigation_routetogoal(newgoal, self.origin);
 494                                         self.aistatus &~= AI_STATUS_OUT_JUMPPAD;
 495                                 }
 496                         }
 497                         else
 498                                 return;
 499                 }
 500                 else
 501                 {
 502                         if(self.velocity_z>0)
 503                         {
 504                                 local float threshold;
 505                                 threshold = maxspeed * 0.2;
 506                                 if(fabs(self.velocity_x) < threshold  &&  fabs(self.velocity_y) < threshold)
 507                                 {
 508                                         dprint("Warning: ", self.netname, " got stuck on a jumppad, trying to get out of it now\n");
 509                                         self.aistatus |= AI_STATUS_OUT_JUMPPAD;
 510                                 }
 511                                 return;
 512                         }
 513
 514                         // Don't chase players while using a jump pad
 515                         if(self.goalcurrent.classname=="player" || self.goalstack01.classname=="player")
 516                                 return;
 517                 }
 518         }
 519         else if(self.aistatus & AI_STATUS_OUT_JUMPPAD)
 520                 self.aistatus &~= AI_STATUS_OUT_JUMPPAD;
 521
 522         // If there is a trigger_hurt right below try to use the jetpack or make a rocketjump
 523         if(skill>6)
 524         if not(self.flags & FL_ONGROUND)
 525         {
 526                 tracebox(self.origin, self.mins, self.maxs, self.origin + '0 0 -65536', MOVE_NOMONSTERS, self);
 527                 if(tracebox_hits_trigger_hurt(self.origin, self.mins, self.maxs, trace_endpos ))
 528                 if(self.items & IT_JETPACK)
 529                 {
 530                         tracebox(self.origin, self.mins, self.maxs, self.origin + '0 0 65536', MOVE_NOMONSTERS, self);
 531                         if(tracebox_hits_trigger_hurt(self.origin, self.mins, self.maxs, trace_endpos + '0 0 1' ))
 532                         {
 533                                 if(self.velocity_z<0)
 534                                 {
 535                                         self.BUTTON_HOOK = TRUE;
 536                                 }
 537                         }
 538                         else
 539                                 self.BUTTON_HOOK = TRUE;
 540
 541                         // If there is no goal try to move forward
 542
 543                         if(self.goalcurrent==world)
 544                                 dir = v_forward;
 545                         else
 546                                 dir = normalize(self.goalcurrent.origin - self.origin);
 547
 548                         local vector xyvelocity = self.velocity; xyvelocity_z = 0;
 549                         local float xyspeed = xyvelocity * dir;
 550
 551                         if(xyspeed < (maxspeed / 2))
 552                         {
 553                                 makevectors(self.v_angle_y * '0 1 0');
 554                                 tracebox(self.origin, self.mins, self.maxs, self.origin + (dir * maxspeed * 3), MOVE_NOMONSTERS, self);
 555                                 if(trace_fraction==1)
 556                                 {
 557                                         self.movement_x = dir * v_forward * maxspeed;
 558                                         self.movement_y = dir * v_right * maxspeed;
 559                                         if (skill < 10)
 560                                                 havocbot_keyboard_movement(self.origin + dir * 100);
 561                                 }
 562                         }
 563
 564                         self.havocbot_blockhead = TRUE;
 565
 566                         return;
 567                 }
 568                 else if(self.health>autocvar_g_balance_rocketlauncher_damage*0.5)
 569                 {
 570                         if(self.velocity_z < 0)
 571                         if(client_hasweapon(self, WEP_ROCKET_LAUNCHER, TRUE, FALSE))
 572                         {
 573                                 self.movement_x = maxspeed;
 574
 575                                 if(self.rocketjumptime)
 576                                 {
 577                                         if(time > self.rocketjumptime)
 578                                         {
 579                                                 self.BUTTON_ATCK2 = TRUE;
 580                                                 self.rocketjumptime = 0;
 581                                         }
 582                                         return;
 583                                 }
 584
 585                                 self.switchweapon = WEP_ROCKET_LAUNCHER;
 586                                 self.v_angle_x = 90;
 587                                 self.BUTTON_ATCK = TRUE;
 588                                 self.rocketjumptime = time + autocvar_g_balance_rocketlauncher_detonatedelay;
 589                                 return;
 590                         }
 591                 }
 592                 else
 593                 {
 594                         // If there is no goal try to move forward
 595                         if(self.goalcurrent==world)
 596                                 self.movement_x = maxspeed;
 597                 }
 598         }
 599
 600         // If we are under water with no goals, swim up
 601         if(self.waterlevel)
 602         if(self.goalcurrent==world)
 603         {
 604                 dir = '0 0 0';
 605                 if(self.waterlevel>WATERLEVEL_SWIMMING)
 606                         dir_z = 1;
 607                 else if(self.velocity_z >= 0 && !(self.waterlevel == WATERLEVEL_WETFEET && self.watertype == CONTENT_WATER))
 608                         self.BUTTON_JUMP = TRUE;
 609                 else
 610                         self.BUTTON_JUMP = FALSE;
 611                 makevectors(self.v_angle_y * '0 1 0');
 612                 self.movement_x = dir * v_forward * maxspeed;
 613                 self.movement_y = dir * v_right * maxspeed;
 614                 self.movement_z = dir * v_up * maxspeed;
 615         }
 616
 617         // if there is nowhere to go, exit
 618         if (self.goalcurrent == world)
 619                 return;
 620
 621         if (self.goalcurrent)
 622                 navigation_poptouchedgoals();
 623
 624         // if ran out of goals try to use an alternative goal or get a new strategy asap
 625         if(self.goalcurrent == world)
 626         {
 627                 self.bot_strategytime = 0;
 628                 return;
 629         }
 630
 631 #ifdef DEBUG_BOT_GOALSTACK
 632         debuggoalstack();
 633 #endif
 634
 635         m1 = self.goalcurrent.origin + self.goalcurrent.mins;
 636         m2 = self.goalcurrent.origin + self.goalcurrent.maxs;
 637         destorg = self.origin;
 638         destorg_x = bound(m1_x, destorg_x, m2_x);
 639         destorg_y = bound(m1_y, destorg_y, m2_y);
 640         destorg_z = bound(m1_z, destorg_z, m2_z);
 641         diff = destorg - self.origin;
 642         //dist = vlen(diff);
 643         dir = normalize(diff);
 644         flatdir = diff;flatdir_z = 0;
 645         flatdir = normalize(flatdir);
 646
 647         //if (self.bot_dodgevector_time < time)
 648         {
 649         //      self.bot_dodgevector_time = time + cvar("bot_ai_dodgeupdateinterval");
 650         //      self.bot_dodgevector_jumpbutton = 1;
 651                 evadeobstacle = '0 0 0';
 652                 evadelava = '0 0 0';
 653
 654                 if (self.waterlevel)
 655                 {
 656                         if(self.waterlevel>WATERLEVEL_SWIMMING)
 657                         {
 658                         //      flatdir_z = 1;
 659                                 self.aistatus |= AI_STATUS_OUT_WATER;
 660                         }
 661                         else
 662                         {
 663                                 if(self.velocity_z >= 0 && !(self.watertype == CONTENT_WATER && self.goalcurrent.origin_z < self.origin_z) &&
 664                                         ( !(self.waterlevel == WATERLEVEL_WETFEET && self.watertype == CONTENT_WATER) || self.aistatus & AI_STATUS_OUT_WATER))
 665                                         self.BUTTON_JUMP = TRUE;
 666                                 else
 667                                         self.BUTTON_JUMP = FALSE;
 668                         }
 669                         dir = normalize(flatdir);
 670                         makevectors(self.v_angle_y * '0 1 0');
 671                 }
 672                 else
 673                 {
 674                         if(self.aistatus & AI_STATUS_OUT_WATER)
 675                                 self.aistatus &~= AI_STATUS_OUT_WATER;
 676
 677                         // jump if going toward an obstacle that doesn't look like stairs we
 678                         // can walk up directly
 679                         tracebox(self.origin, self.mins, self.maxs, self.origin + self.velocity * 0.2, FALSE, self);
 680                         if (trace_fraction < 1)
 681                         if (trace_plane_normal_z < 0.7)
 682                         {
 683                                 s = trace_fraction;
 684                                 tracebox(self.origin + '0 0 16', self.mins, self.maxs, self.origin + self.velocity * 0.2 + '0 0 16', FALSE, self);
 685                                 if (trace_fraction < s + 0.01)
 686                                 if (trace_plane_normal_z < 0.7)
 687                                 {
 688                                         s = trace_fraction;
 689                                         tracebox(self.origin + '0 0 48', self.mins, self.maxs, self.origin + self.velocity * 0.2 + '0 0 48', FALSE, self);
 690                                         if (trace_fraction > s)
 691                                                 self.BUTTON_JUMP = 1;
 692                                 }
 693                         }
 694
 695                         // avoiding dangers and obstacles
 696                         local vector dst_ahead, dst_down;
 697                         makevectors(self.v_angle_y * '0 1 0');
 698                         dst_ahead = self.origin + self.view_ofs + (self.velocity * 0.4) + (v_forward * 32 * 3);
 699                         dst_down = dst_ahead + '0 0 -1500';
 700
 701                         // Look ahead
 702                         traceline(self.origin + self.view_ofs , dst_ahead, TRUE, world);
 703
 704                         // Check head-banging against walls
 705                         if(vlen(self.origin + self.view_ofs - trace_endpos) < 25 && !(self.aistatus & AI_STATUS_OUT_WATER))
 706                         {
 707                                 self.BUTTON_JUMP = TRUE;
 708                                 if(self.facingwalltime && time > self.facingwalltime)
 709                                 {
 710                                         self.ignoregoal = self.goalcurrent;
 711                                         self.ignoregoaltime = time + autocvar_bot_ai_ignoregoal_timeout;
 712                                         self.bot_strategytime = 0;
 713                                         return;
 714                                 }
 715                                 else
 716                                 {
 717                                         self.facingwalltime = time + 0.05;
 718                                 }
 719                         }
 720                         else
 721                         {
 722                                 self.facingwalltime = 0;
 723
 724                                 if(self.ignoregoal != world && time > self.ignoregoaltime)
 725                                 {
 726                                         self.ignoregoal = world;
 727                                         self.ignoregoaltime = 0;
 728                                 }
 729                         }
 730
 731                         // Check for water/slime/lava and dangerous edges
 732                         // (only when the bot is on the ground or jumping intentionally)
 733                         self.aistatus &~= AI_STATUS_DANGER_AHEAD;
 734
 735                         if(trace_fraction == 1 && self.jumppadcount == 0)
 736                         if(self.flags & FL_ONGROUND || self.aistatus & AI_STATUS_RUNNING || self.BUTTON_JUMP == TRUE)
 737                         {
 738                                 // Look downwards
 739                                 traceline(dst_ahead , dst_down, TRUE, world);
 740                         //      te_lightning2(world, self.origin, dst_ahead);   // Draw "ahead" look
 741                         //      te_lightning2(world, dst_ahead, dst_down);              // Draw "downwards" look
 742                                 if(trace_endpos_z < self.origin_z + self.mins_z)
 743                                 {
 744                                         s = pointcontents(trace_endpos + '0 0 1');
 745                                         if (s != CONTENT_SOLID)
 746                                         if (s == CONTENT_LAVA || s == CONTENT_SLIME)
 747                                                 evadelava = normalize(self.velocity) * -1;
 748                                         else if (s == CONTENT_SKY)
 749                                                 evadeobstacle = normalize(self.velocity) * -1;
 750                                         else if (!boxesoverlap(dst_ahead - self.view_ofs + self.mins, dst_ahead - self.view_ofs + self.maxs,
 751                                                                 self.goalcurrent.absmin, self.goalcurrent.absmax))
 752                                         {
 753                                                 // if ain't a safe goal with "holes" (like the jumpad on soylent)
 754                                                 // and there is a trigger_hurt below
 755                                                 if(tracebox_hits_trigger_hurt(dst_ahead, self.mins, self.maxs, trace_endpos))
 756                                                 {
 757                                                         // Remove dangerous dynamic goals from stack
 758                                                         if (self.goalcurrent.classname == "player" || self.goalcurrent.classname == "droppedweapon")
 759                                                                 navigation_poproute();
 760                                                         // try to stop
 761                                                         flatdir = '0 0 0';
 762                                                         evadeobstacle = normalize(self.velocity) * -1;
 763                                                 }
 764                                         }
 765                                 }
 766                         }
 767
 768                         dir = flatdir;
 769                         evadeobstacle_z = 0;
 770                         evadelava_z = 0;
 771                         makevectors(self.v_angle_y * '0 1 0');
 772
 773                         if(evadeobstacle!='0 0 0'||evadelava!='0 0 0')
 774                                 self.aistatus |= AI_STATUS_DANGER_AHEAD;
 775                 }
 776
 777                 dodge = havocbot_dodge();
 778                 dodge = dodge * bound(0,0.5+(skill+self.bot_dodgeskill)*0.1,1);
 779                 evadelava = evadelava * bound(1,3-(skill+self.bot_dodgeskill),3); //Noobs fear lava a lot and take more distance from it
 780                 traceline(self.origin, self.enemy.origin, TRUE, world);
 781                 if(trace_ent.classname == "player")
 782                         dir = dir * bound(0,(skill+self.bot_dodgeskill)/7,1);
 783
 784                 dir = normalize(dir + dodge + evadeobstacle + evadelava);
 785         //      self.bot_dodgevector = dir;
 786         //      self.bot_dodgevector_jumpbutton = self.BUTTON_JUMP;
 787         }
 788
 789         if(time < self.ladder_time)
 790         {
 791                 if(self.goalcurrent.origin_z + self.goalcurrent.mins_z > self.origin_z + self.mins_z)
 792                 {
 793                         if(self.origin_z + self.mins_z  < self.ladder_entity.origin_z + self.ladder_entity.maxs_z)
 794                                 dir_z = 1;
 795                 }
 796                 else
 797                 {
 798                         if(self.origin_z + self.mins_z  > self.ladder_entity.origin_z + self.ladder_entity.mins_z)
 799                                 dir_z = -1;
 800                 }
 801         }
 802
 803         //dir = self.bot_dodgevector;
 804         //if (self.bot_dodgevector_jumpbutton)
 805         //      self.BUTTON_JUMP = 1;
 806         self.movement_x = dir * v_forward * maxspeed;
 807         self.movement_y = dir * v_right * maxspeed;
 808         self.movement_z = dir * v_up * maxspeed;
 809
 810         // Emulate keyboard interface
 811         if (skill < 10)
 812                 havocbot_keyboard_movement(destorg);
 813
 814         // Bunnyhop!
 815 //      if(self.aistatus & AI_STATUS_ROAMING)
 816         if(self.goalcurrent)
 817         if(skill+self.bot_moveskill >= autocvar_bot_ai_bunnyhop_skilloffset)
 818                 havocbot_bunnyhop(dir);
 819
 820         if ((dir * v_up) >= autocvar_sv_jumpvelocity*0.5 && (self.flags & FL_ONGROUND)) self.BUTTON_JUMP=1;
 821         if (((dodge * v_up) > 0) && random()*frametime >= 0.2*bound(0,(10-skill-self.bot_dodgeskill)*0.1,1)) self.BUTTON_JUMP=TRUE;
 822         if (((dodge * v_up) < 0) && random()*frametime >= 0.5*bound(0,(10-skill-self.bot_dodgeskill)*0.1,1)) self.havocbot_ducktime=time+0.3/bound(0.1,skill+self.bot_dodgeskill,10);
 823 };
 824
 825 void havocbot_chooseenemy()
 826 {
 827         local entity head, best, head2;
 828         local float rating, bestrating, i, f;
 829         local vector eye, v;
 830         if (autocvar_bot_nofire || IS_INDEPENDENT_PLAYER(self))
 831         {
 832                 self.enemy = world;
 833                 return;
 834         }
 835         if (self.enemy)
 836         {
 837                 if (!bot_shouldattack(self.enemy))
 838                 {
 839                         // enemy died or something, find a new target
 840                         self.enemy = world;
 841                         self.havocbot_chooseenemy_finished = time;
 842                 }
 843                 else if (self.havocbot_stickenemy)
 844                 {
 845                         // tracking last chosen enemy
 846                         // if enemy is visible
 847                         // and not really really far away
 848                         // and we're not severely injured
 849                         // then keep tracking for a half second into the future
 850                         traceline(self.origin+self.view_ofs, self.enemy.origin+self.enemy.view_ofs*0.5,FALSE,world);
 851                         if (trace_ent == self.enemy || trace_fraction == 1)
 852                         if (vlen(self.enemy.origin - self.origin) < 1000)
 853                         if (self.health > 30)
 854                         {
 855                                 // remain tracking him for a shot while (case he went after a small corner or pilar
 856                                 self.havocbot_chooseenemy_finished = time + autocvar_bot_ai_enemydetectioninterval;
 857                                 return;
 858                         }
 859                         // enemy isn't visible, or is far away, or we're injured severely
 860                         // so stop preferring this enemy
 861                         // (it will still take a half second until a new one is chosen)
 862                         self.havocbot_stickenemy = 0;
 863                 }
 864         }
 865         if (time < self.havocbot_chooseenemy_finished)
 866                 return;
 867         self.havocbot_chooseenemy_finished = time + autocvar_bot_ai_enemydetectioninterval;
 868         eye = self.origin + self.view_ofs;
 869         best = world;
 870         bestrating = 100000000;
 871         head = head2 = findchainfloat(bot_attack, TRUE);
 872
 873         // Search for enemies, if no enemy can be seen directly try to look through transparent objects
 874         for(;;)
 875         {
 876                 while (head)
 877                 {
 878                         v = (head.absmin + head.absmax) * 0.5;
 879                         rating = vlen(v - eye);
 880                         if (rating<autocvar_bot_ai_enemydetectionradius)
 881                         if (bestrating > rating)
 882                         if (bot_shouldattack(head))
 883                         {
 884                                 traceline(eye, v, TRUE, self);
 885                                 if (trace_ent == head || trace_fraction >= 1)
 886                                 {
 887                                         best = head;
 888                                         bestrating = rating;
 889                                 }
 890                         }
 891                         head = head.chain;
 892                 }
 893
 894                 // I want to do a second scan if no enemy was found or I don't have weapons
 895                 // TODO: Perform the scan when using the rifle (requires changes on the rifle code)
 896                 if(best || self.weapons) // || self.weapon == WEP_SNIPERRIFLE
 897                         break;
 898                 if(i)
 899                         break;
 900
 901                 // Set flags to see through transparent objects
 902                 f = self.dphitcontentsmask;
 903                 self.dphitcontentsmask = DPCONTENTS_OPAQUE;
 904
 905                 head = head2;
 906                 ++i;
 907         }
 908
 909         // Restore hit flags if needed
 910         if(i)
 911                 self.dphitcontentsmask = f;
 912
 913         self.enemy = best;
 914         self.havocbot_stickenemy = TRUE;
 915 };
 916
 917 void havocbot_chooseweapon()
 918 {
 919         local float i;
 920
 921         // ;)
 922         if(g_weaponarena == WEPBIT_TUBA)
 923         {
 924                 self.switchweapon = WEP_TUBA;
 925                 return;
 926         }
 927
 928         // TODO: clean this up by moving it to weapon code
 929         if(self.enemy==world)
 930         {
 931                 // If no weapon was chosen get the first available weapon
 932                 if(self.weapon==0)
 933                 for(i=WEP_LASER + 1; i < WEP_COUNT ; ++i)
 934                 {
 935                         if(client_hasweapon(self, i, TRUE, FALSE))
 936                         {
 937                                 self.switchweapon = i;
 938                                 return;
 939                         }
 940                 }
 941                 return;
 942         }
 943
 944         // Do not change weapon during the next second after a combo
 945         i = time - self.lastcombotime;
 946         if(i < 1)
 947                 return;
 948
 949         // Workaround for rifle reloading (..)
 950         if(self.weapon == WEP_SNIPERRIFLE)
 951         if(i < autocvar_g_balance_sniperrifle_reloadtime + 1)
 952                 return;
 953
 954         local float w;
 955         local float distance; distance=bound(10,vlen(self.origin-self.enemy.origin)-200,10000);
 956
 957         // Should it do a weapon combo?
 958         local float af, ct, combo_time, combo;
 959
 960         af = ATTACK_FINISHED(self);
 961         ct = autocvar_bot_ai_weapon_combo_threshold;
 962
 963         // Bots with no skill will be 4 times more slower than "godlike" bots when doing weapon combos
 964         // Ideally this 4 should be calculated as longest_weapon_refire / bot_ai_weapon_combo_threshold
 965         combo_time = time + ct + (ct * ((-0.3*(skill+self.bot_weaponskill))+3));
 966
 967         combo = FALSE;
 968
 969         if(autocvar_bot_ai_weapon_combo)
 970         if(self.weapon == self.lastfiredweapon)
 971         if(af > combo_time)
 972         {
 973                 combo = TRUE;
 974                 self.lastcombotime = time;
 975         }
 976
 977         distance *= pow(2, self.bot_rangepreference);
 978
 979         // Custom weapon list based on distance to the enemy
 980         if(bot_custom_weapon){
 981
 982                 // Choose weapons for far distance
 983                 if ( distance > bot_distance_far ) {
 984                         for(i=0; i < WEP_COUNT && bot_weapons_far[i] != -1 ; ++i){
 985                                 w = bot_weapons_far[i];
 986                                 if ( client_hasweapon(self, w, TRUE, FALSE) ){
 987                                         if ( self.weapon == w && combo)
 988                                                 continue;
 989                                         self.switchweapon = w;
 990                                         return;
 991                                 }
 992                         }
 993                 }
 994
 995                 // Choose weapons for mid distance
 996                 if ( distance > bot_distance_close) {
 997                         for(i=0; i < WEP_COUNT && bot_weapons_mid[i] != -1 ; ++i){
 998                                 w = bot_weapons_mid[i];
 999                                 if ( client_hasweapon(self, w, TRUE, FALSE) ){
1000                                         if ( self.weapon == w && combo)
1001                                                 continue;
1002                                         self.switchweapon = w;
1003                                         return;
1004                                 }
1005                         }
1006                 }
1007
1008                 // Choose weapons for close distance
1009                 for(i=0; i < WEP_COUNT && bot_weapons_close[i] != -1 ; ++i){
1010                         w = bot_weapons_close[i];
1011                         if ( client_hasweapon(self, w, TRUE, FALSE) ){
1012                                 if ( self.weapon == w && combo)
1013                                         continue;
1014                                 self.switchweapon = w;
1015                                 return;
1016                         }
1017                 }
1018         }
1019 };
1020
1021 void havocbot_aim()
1022 {
1023         local vector selfvel, enemyvel;
1024 //      if(self.flags & FL_INWATER)
1025 //              return;
1026         if (time < self.nextaim)
1027                 return;
1028         self.nextaim = time + 0.1;
1029         selfvel = self.velocity;
1030         if (!self.waterlevel)
1031                 selfvel_z = 0;
1032         if (self.enemy)
1033         {
1034                 enemyvel = self.enemy.velocity;
1035                 if (!self.enemy.waterlevel)
1036                         enemyvel_z = 0;
1037                 lag_additem(time + self.ping, 0, 0, self.enemy, self.origin, selfvel, self.enemy.origin, enemyvel);
1038         }
1039         else
1040                 lag_additem(time + self.ping, 0, 0, world, self.origin, selfvel, self.goalcurrent.origin, '0 0 0');
1041 };
1042
1043 float havocbot_moveto_refresh_route()
1044 {
1045         // Refresh path to goal if necessary
1046         entity wp;
1047         wp = self.havocbot_personal_waypoint;
1048         navigation_goalrating_start();
1049         navigation_routerating(wp, 10000, 10000);
1050         navigation_goalrating_end();
1051         return self.navigation_hasgoals;
1052 }
1053
1054 float havocbot_moveto(vector pos)
1055 {
1056         local entity wp;
1057
1058         if(self.aistatus & AI_STATUS_WAYPOINT_PERSONAL_GOING)
1059         {
1060                 // Step 4: Move to waypoint
1061                 if(self.havocbot_personal_waypoint==world)
1062                 {
1063                         dprint("Error: ", self.netname, " trying to walk to a non existent personal waypoint\n");
1064                         self.aistatus &~= AI_STATUS_WAYPOINT_PERSONAL_GOING;
1065                         return CMD_STATUS_ERROR;
1066                 }
1067
1068                 if (!bot_strategytoken_taken)
1069                 if(self.havocbot_personal_waypoint_searchtime<time)
1070                 {
1071                         bot_strategytoken_taken = TRUE;
1072                         if(havocbot_moveto_refresh_route())
1073                         {
1074                                 dprint(self.netname, " walking to its personal waypoint (after ", ftos(self.havocbot_personal_waypoint_failcounter), " failed attempts)\n");
1075                                 self.havocbot_personal_waypoint_searchtime = time + 10;
1076                                 self.havocbot_personal_waypoint_failcounter = 0;
1077                         }
1078                         else
1079                         {
1080                                 self.havocbot_personal_waypoint_failcounter += 1;
1081                                 self.havocbot_personal_waypoint_searchtime = time + 2;
1082                                 if(self.havocbot_personal_waypoint_failcounter >= 30)
1083                                 {
1084                                         dprint("Warning: can't walk to the personal waypoint located at ", vtos(self.havocbot_personal_waypoint.origin),"\n");
1085                                         self.aistatus &~= AI_STATUS_WAYPOINT_PERSONAL_LINKING;
1086                                         remove(self.havocbot_personal_waypoint);
1087                                         return CMD_STATUS_ERROR;
1088                                 }
1089                                 else
1090                                         dprint(self.netname, " can't walk to its personal waypoint (after ", ftos(self.havocbot_personal_waypoint_failcounter), " failed attempts), trying later\n");
1091                         }
1092                 }
1093
1094                 #ifdef DEBUG_BOT_GOALSTACK
1095                         debuggoalstack();
1096                 #endif
1097
1098                 // Heading
1099                 local vector dir = self.goalcurrent.origin - (self.origin + self.view_ofs);
1100                 dir_z = 0;
1101                 bot_aimdir(dir, -1);
1102
1103                 // Go!
1104                 havocbot_movetogoal();
1105
1106                 if(self.aistatus & AI_STATUS_WAYPOINT_PERSONAL_REACHED)
1107                 {
1108                         // Step 5: Waypoint reached
1109                         dprint(self.netname, "'s personal waypoint reached\n");
1110                         remove(self.havocbot_personal_waypoint);
1111                         self.aistatus &~= AI_STATUS_WAYPOINT_PERSONAL_REACHED;
1112                         return CMD_STATUS_FINISHED;
1113                 }
1114
1115                 return CMD_STATUS_EXECUTING;
1116         }
1117
1118         // Step 2: Linking waypoint
1119         if(self.aistatus & AI_STATUS_WAYPOINT_PERSONAL_LINKING)
1120         {
1121                 // Wait until it is linked
1122                 if(!self.havocbot_personal_waypoint.wplinked)
1123                 {
1124                         dprint(self.netname, " waiting for personal waypoint to be linked\n");
1125                         return CMD_STATUS_EXECUTING;
1126                 }
1127
1128                 self.havocbot_personal_waypoint_searchtime = time; // so we set the route next frame
1129                 self.aistatus &~= AI_STATUS_WAYPOINT_PERSONAL_LINKING;
1130                 self.aistatus |= AI_STATUS_WAYPOINT_PERSONAL_GOING;
1131
1132                 // Step 3: Route to waypoint
1133                 dprint(self.netname, " walking to its personal waypoint\n");
1134
1135                 return CMD_STATUS_EXECUTING;
1136         }
1137
1138         // Step 1: Spawning waypoint
1139         wp = waypoint_spawnpersonal(pos);
1140         if(wp==world)
1141         {
1142                 dprint("Error: Can't spawn personal waypoint at ",vtos(pos),"\n");
1143                 return CMD_STATUS_ERROR;
1144         }
1145
1146         self.havocbot_personal_waypoint = wp;
1147         self.havocbot_personal_waypoint_failcounter = 0;
1148         self.aistatus |= AI_STATUS_WAYPOINT_PERSONAL_LINKING;
1149
1150         // if pos is inside a teleport, then let's mark it as teleport waypoint
1151         entity head;
1152         for(head = world; (head = find(head, classname, "trigger_teleport")); )
1153         {
1154                 if(WarpZoneLib_BoxTouchesBrush(pos, pos, head, world))
1155                 {
1156                         wp.wpflags |= WAYPOINTFLAG_TELEPORT;
1157                         self.lastteleporttime = 0;
1158                 }
1159         }
1160
1161 /*
1162         if(wp.wpflags & WAYPOINTFLAG_TELEPORT)
1163                 print("routing to a teleporter\n");
1164         else
1165                 print("routing to a non-teleporter\n");
1166 */
1167
1168         return CMD_STATUS_EXECUTING;
1169 }
1170
1171 float havocbot_resetgoal()
1172 {
1173         navigation_clearroute();
1174         return CMD_STATUS_FINISHED;
1175 }
1176
1177 void havocbot_setupbot()
1178 {
1179         self.bot_ai = havocbot_ai;
1180         self.cmd_moveto = havocbot_moveto;
1181         self.cmd_resetgoal = havocbot_resetgoal;
1182
1183         havocbot_chooserole();
1184 }
1185
1186 vector havocbot_dodge()
1187 {
1188         // LordHavoc: disabled because this is too expensive
1189         return '0 0 0';
1190         local entity head;
1191         local vector dodge, v, n;
1192         local float danger, bestdanger, vl, d;
1193         dodge = '0 0 0';
1194         bestdanger = -20;
1195         // check for dangerous objects near bot or approaching bot
1196         head = findchainfloat(bot_dodge, TRUE);
1197         while(head)
1198         {
1199                 if (head.owner != self)
1200                 {
1201                         vl = vlen(head.velocity);
1202                         if (vl > autocvar_sv_maxspeed * 0.3)
1203                         {
1204                                 n = normalize(head.velocity);
1205                                 v = self.origin - head.origin;
1206                                 d = v * n;
1207                                 if (d > (0 - head.bot_dodgerating))
1208                                 if (d < (vl * 0.2 + head.bot_dodgerating))
1209                                 {
1210                                         // calculate direction and distance from the flight path, by removing the forward axis
1211                                         v = v - (n * (v * n));
1212                                         danger = head.bot_dodgerating - vlen(v);
1213                                         if (bestdanger < danger)
1214                                         {
1215                                                 bestdanger = danger;
1216                                                 // dodge to the side of the object
1217                                                 dodge = normalize(v);
1218                                         }
1219                                 }
1220                         }
1221                         else
1222                         {
1223                                 danger = head.bot_dodgerating - vlen(head.origin - self.origin);
1224                                 if (bestdanger < danger)
1225                                 {
1226                                         bestdanger = danger;
1227                                         dodge = normalize(self.origin - head.origin);
1228                                 }
1229                         }
1230                 }
1231                 head = head.chain;
1232         }
1233         return dodge;
1234 };