data/qcsrc/server/bots.qc

   1 .float aistatus;
   2 float AI_STATUS_ROAMING                 = 1;    // Bot is just crawling the map. No enemies at sight
   3 float AI_STATUS_ATTACKING               = 2;    // There are enemies at sight
   4 float AI_STATUS_RUNNING                 = 4;    // Bot is bunny hopping
   5 float AI_STATUS_DANGER_AHEAD    = 8;    // There is lava/slime/trigger_hurt ahead
   6 float AI_STATUS_OUT_JUMPPAD             = 16;   // Trying to get out of a "vertical" jump pad
   7 float AI_STATUS_OUT_WATER               = 32;   // Trying to get out of water
   8
   9 // utilities for path debugging
  10 #ifdef DEBUG_TRACEWALK
  11
  12 float DEBUG_NODE_SUCCESS        = 1;
  13 float DEBUG_NODE_WARNING        = 2;
  14 float DEBUG_NODE_FAIL           = 3;
  15
  16 vector debuglastnode;
  17
  18 void debugresetnodes()
  19 {
  20         debuglastnode = '0 0 0';
  21 }
  22
  23 void debugnode(vector node)
  24 {
  25         if not(self.classname=="player")
  26                 return;
  27
  28         if(debuglastnode=='0 0 0')
  29         {
  30                 debuglastnode = node;
  31                 return;
  32         }
  33
  34         te_lightning2(world, node, debuglastnode);
  35         debuglastnode = node;
  36 }
  37
  38 void debugnodestatus(vector position, float status)
  39 {
  40         vector color;
  41
  42         switch (status)
  43         {
  44                 case DEBUG_NODE_SUCCESS:
  45                         color = '0 15 0';
  46                         break;
  47                 case DEBUG_NODE_WARNING:
  48                         color = '15 15 0';
  49                         break;
  50                 case DEBUG_NODE_FAIL:
  51                         color = '15 0 0';
  52                         break;
  53                 default:
  54                         color = '15 15 15';
  55         }
  56
  57         te_customflash(position, 40,  2, color);
  58 }
  59
  60 #endif
  61
  62 // rough simulation of walking from one point to another to test if a path
  63 // can be traveled, used for waypoint linking and havocbot
  64
  65 vector stepheightvec;
  66 float navigation_testtracewalk;
  67 float tracewalk(entity e, vector start, vector m1, vector m2, vector end, float movemode)
  68 {
  69         local vector org;
  70         local vector move;
  71         local vector dir;
  72         local float dist;
  73         local float totaldist;
  74         local float stepdist;
  75         local float yaw;
  76         local float ignorehazards;
  77         local float swimming;
  78
  79         #ifdef DEBUG_TRACEWALK
  80                 debugresetnodes();
  81                 debugnode(start);
  82         #endif
  83
  84         move = end - start;
  85         move_z = 0;
  86         org = start;
  87         dist = totaldist = vlen(move);
  88         dir = normalize(move);
  89         stepdist = 32;
  90         ignorehazards = FALSE;
  91
  92         // Analyze starting point
  93         traceline(start, start, MOVE_NORMAL, e);
  94         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
  95                 ignorehazards = TRUE;
  96         else
  97         {
  98                 traceline( start, start + '0 0 -65536', MOVE_NORMAL, e);
  99                 if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
 100                 {
 101                         ignorehazards = TRUE;
 102                         swimming = TRUE;
 103                 }
 104         }
 105         tracebox(start, m1, m2, start, MOVE_NOMONSTERS, e);
 106         if (trace_startsolid)
 107         {
 108                 // Bad start
 109                 #ifdef DEBUG_TRACEWALK
 110                         debugnodestatus(start, DEBUG_NODE_FAIL);
 111                 #endif
 112                 return FALSE;
 113         }
 114
 115         // Movement loop
 116         yaw = vectoyaw(move);
 117         move = end - org;
 118         for (;;)
 119         {
 120                 if (boxesoverlap(end, end, org + m1 + '-1 -1 -1', org + m2 + '1 1 1'))
 121                 {
 122                         // Succeeded
 123                         #ifdef DEBUG_TRACEWALK
 124                                 debugnodestatus(org, DEBUG_NODE_SUCCESS);
 125                         #endif
 126                         return TRUE;
 127                 }
 128                 #ifdef DEBUG_TRACEWALK
 129                         debugnode(org);
 130                 #endif
 131
 132                 if (dist <= 0)
 133                         break;
 134                 if (stepdist > dist)
 135                         stepdist = dist;
 136                 dist = dist - stepdist;
 137                 traceline(org, org, MOVE_NORMAL, e);
 138                 if (!ignorehazards)
 139                 {
 140                         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
 141                         {
 142                                 // hazards blocking path
 143                                 #ifdef DEBUG_TRACEWALK
 144                                         debugnodestatus(org, DEBUG_NODE_FAIL);
 145                                 #endif
 146                                 return FALSE;
 147                         }
 148                 }
 149                 if (trace_dpstartcontents & DPCONTENTS_LIQUIDSMASK)
 150                 {
 151                         move = normalize(end - org);
 152                         tracebox(org, m1, m2, org + move * stepdist, movemode, e);
 153
 154                         #ifdef DEBUG_TRACEWALK
 155                                 debugnode(trace_endpos);
 156                         #endif
 157
 158                         if (trace_fraction < 1)
 159                         {
 160                                 swimming = TRUE;
 161                                 org = trace_endpos - normalize(org - trace_endpos) * stepdist;
 162                                 for(; org_z < end_z + self.maxs_z; org_z += stepdist)
 163                                 {
 164                                                 #ifdef DEBUG_TRACEWALK
 165                                                         debugnode(org);
 166                                                 #endif
 167                                         if(pointcontents(org) == CONTENT_EMPTY)
 168                                                         break;
 169                                 }
 170
 171                                 if not (pointcontents(org + '0 0 1') == CONTENT_EMPTY)
 172                                 {
 173                                         #ifdef DEBUG_TRACEWALK
 174                                                 debugnodestatus(org, DEBUG_NODE_FAIL);
 175                                         #endif
 176                                         return FALSE;
 177                                 }
 178                                 continue;
 179
 180                         }
 181                         else
 182                                 org = trace_endpos;
 183                 }
 184                 else
 185                 {
 186                         move = dir * stepdist + org;
 187                         tracebox(org, m1, m2, move, movemode, e);
 188
 189                         #ifdef DEBUG_TRACEWALK
 190                                 debugnode(trace_endpos);
 191                         #endif
 192
 193                         // hit something
 194                         if (trace_fraction < 1)
 195                         {
 196                                 // check if we can walk over this obstacle
 197                                 tracebox(org + stepheightvec, m1, m2, move + stepheightvec, movemode, e);
 198                                 if (trace_fraction < 1 || trace_startsolid)
 199                                 {
 200                                         #ifdef DEBUG_TRACEWALK
 201                                                 debugnodestatus(trace_endpos, DEBUG_NODE_WARNING);
 202                                         #endif
 203
 204                                         // check for doors
 205                                         traceline( org, move, movemode, e);
 206                                         if ( trace_ent.classname == "door_rotating" || trace_ent.classname == "door")
 207                                         {
 208                                                 local vector nextmove;
 209                                                 move = trace_endpos;
 210                                                 while(trace_ent.classname == "door_rotating" || trace_ent.classname == "door")
 211                                                 {
 212                                                         nextmove = move + (dir * stepdist);
 213                                                         traceline( move, nextmove, movemode, e);
 214                                                         move = nextmove;
 215                                                 }
 216                                         }
 217                                         else
 218                                         {
 219                                                 #ifdef DEBUG_TRACEWALK
 220                                                         debugnodestatus(trace_endpos, DEBUG_NODE_FAIL);
 221                                                 #endif
 222                                                 return FALSE; // failed
 223                                         }
 224                                 }
 225                                 else
 226                                         move = trace_endpos;
 227                         }
 228                         else
 229                                 move = trace_endpos;
 230
 231                         // trace down from stepheight as far as possible and move there,
 232                         // if this starts in solid we try again without the stepup, and
 233                         // if that also fails we assume it is a wall
 234                         // (this is the same logic as the Quake walkmove function used)
 235                         tracebox(move, m1, m2, move + '0 0 -65536', movemode, e);
 236
 237                         // moved successfully
 238                         if(swimming)
 239                         {
 240                                 local float c;
 241                                 c = pointcontents(org + '0 0 1');
 242                                 if not(c == CONTENT_WATER || c == CONTENT_LAVA || c == CONTENT_SLIME)
 243                                         swimming = FALSE;
 244                                 else
 245                                         continue;
 246                         }
 247
 248                         org = trace_endpos;
 249                 }
 250         }
 251
 252         // moved but didn't arrive at the intended destination
 253         #ifdef DEBUG_TRACEWALK
 254                 debugnodestatus(org, DEBUG_NODE_FAIL);
 255         #endif
 256
 257         return FALSE;
 258 };
 259
 260
 261 // grenade tracing to decide the best pitch to fire at
 262
 263 entity tracetossent;
 264 entity tracetossfaketarget;
 265
 266 // traces multiple trajectories to find one that will impact the target
 267 // 'end' vector is the place it aims for,
 268 // returns TRUE only if it hit targ (don't target non-solid entities)
 269 vector findtrajectory_velocity;
 270 float findtrajectorywithleading(vector org, vector m1, vector m2, entity targ, float shotspeed, float shotspeedupward, float maxtime, float shotdelay, entity ignore)
 271 {
 272         local float c, savesolid, shottime;
 273         local vector dir, end, v;
 274         if (shotspeed < 1)
 275                 return FALSE; // could cause division by zero if calculated
 276         if (targ.solid < SOLID_BBOX) // SOLID_NOT and SOLID_TRIGGER
 277                 return FALSE; // could never hit it
 278         if (!tracetossent)
 279                 tracetossent = spawn();
 280         tracetossent.owner = ignore;
 281         setsize(tracetossent, m1, m2);
 282         savesolid = targ.solid;
 283         targ.solid = SOLID_NOT;
 284         shottime = ((vlen(targ.origin - org) / shotspeed) + shotdelay);
 285         v = targ.velocity * shottime + targ.origin;
 286         tracebox(targ.origin, targ.mins, targ.maxs, v, FALSE, targ);
 287         v = trace_endpos;
 288         end = v + (targ.mins + targ.maxs) * 0.5;
 289         if ((vlen(end - org) / shotspeed + 0.2) > maxtime)
 290         {
 291                 // out of range
 292                 targ.solid = savesolid;
 293                 return FALSE;
 294         }
 295
 296         if (!tracetossfaketarget)
 297                 tracetossfaketarget = spawn();
 298         tracetossfaketarget.solid = savesolid;
 299         tracetossfaketarget.movetype = targ.movetype;
 300         setmodel(tracetossfaketarget, targ.model); // no low precision
 301         tracetossfaketarget.model = targ.model;
 302         tracetossfaketarget.modelindex = targ.modelindex;
 303         setsize(tracetossfaketarget, targ.mins, targ.maxs);
 304         setorigin(tracetossfaketarget, v);
 305
 306         c = 0;
 307         dir = normalize(end - org);
 308         while (c < 10) // 10 traces
 309         {
 310                 setorigin(tracetossent, org); // reset
 311                 tracetossent.velocity = findtrajectory_velocity = normalize(dir) * shotspeed + shotspeedupward * '0 0 1';
 312                 tracetoss(tracetossent, ignore); // love builtin functions...
 313                 if (trace_ent == tracetossfaketarget) // done
 314                 {
 315                         targ.solid = savesolid;
 316
 317                         // make it disappear
 318                         tracetossfaketarget.solid = SOLID_NOT;
 319                         tracetossfaketarget.movetype = MOVETYPE_NONE;
 320                         tracetossfaketarget.model = "";
 321                         tracetossfaketarget.modelindex = 0;
 322                         // relink to remove it from physics considerations
 323                         setorigin(tracetossfaketarget, v);
 324
 325                         return TRUE;
 326                 }
 327                 dir_z = dir_z + 0.1; // aim up a little more
 328                 c = c + 1;
 329         }
 330         targ.solid = savesolid;
 331
 332         // make it disappear
 333         tracetossfaketarget.solid = SOLID_NOT;
 334         tracetossfaketarget.movetype = MOVETYPE_NONE;
 335         tracetossfaketarget.model = "";
 336         tracetossfaketarget.modelindex = 0;
 337         // relink to remove it from physics considerations
 338         setorigin(tracetossfaketarget, v);
 339
 340         // leave a valid one even if it won't reach
 341         findtrajectory_velocity = normalize(end - org) * shotspeed + shotspeedupward * '0 0 1';
 342         return FALSE;
 343 };
 344
 345
 346
 347 // lag simulation
 348
 349 .void(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4) lag_func;
 350
 351 // upto 5 queued messages
 352 .float lag1_time;
 353 .float lag1_float1;
 354 .float lag1_float2;
 355 .entity lag1_entity1;
 356 .vector lag1_vec1;
 357 .vector lag1_vec2;
 358 .vector lag1_vec3;
 359 .vector lag1_vec4;
 360
 361 .float lag2_time;
 362 .float lag2_float1;
 363 .float lag2_float2;
 364 .entity lag2_entity1;
 365 .vector lag2_vec1;
 366 .vector lag2_vec2;
 367 .vector lag2_vec3;
 368 .vector lag2_vec4;
 369
 370 .float lag3_time;
 371 .float lag3_float1;
 372 .float lag3_float2;
 373 .entity lag3_entity1;
 374 .vector lag3_vec1;
 375 .vector lag3_vec2;
 376 .vector lag3_vec3;
 377 .vector lag3_vec4;
 378
 379 .float lag4_time;
 380 .float lag4_float1;
 381 .float lag4_float2;
 382 .entity lag4_entity1;
 383 .vector lag4_vec1;
 384 .vector lag4_vec2;
 385 .vector lag4_vec3;
 386 .vector lag4_vec4;
 387
 388 .float lag5_time;
 389 .float lag5_float1;
 390 .float lag5_float2;
 391 .entity lag5_entity1;
 392 .vector lag5_vec1;
 393 .vector lag5_vec2;
 394 .vector lag5_vec3;
 395 .vector lag5_vec4;
 396
 397 void lag_update()
 398 {
 399         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;}
 400         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;}
 401         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;}
 402         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;}
 403         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;}
 404 };
 405
 406 float lag_additem(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
 407 {
 408         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;}
 409         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;}
 410         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;}
 411         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;}
 412         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;}
 413         // no room for it (what is the best thing to do here??)
 414         return FALSE;
 415 };
 416
 417
 418 // Random skill system
 419 .float bot_thinkskill;
 420 .float bot_mouseskill;
 421 .float bot_predictionskill;
 422 .float bot_offsetskill;
 423
 424
 425 // spawnfunc_waypoint navigation system
 426
 427 // itemscore = (howmuchmoreIwant / howmuchIcanwant) / itemdistance
 428 // waypointscore = 0.7 / waypointdistance
 429
 430 .entity wp00, wp01, wp02, wp03, wp04, wp05, wp06, wp07;
 431 .entity wp08, wp09, wp10, wp11, wp12, wp13, wp14, wp15;
 432 .entity wp16, wp17, wp18, wp19, wp20, wp21, wp22, wp23, wp24, wp25, wp26, wp27, wp28, wp29, wp30, wp31;
 433 .float wp00mincost, wp01mincost, wp02mincost, wp03mincost, wp04mincost, wp05mincost, wp06mincost, wp07mincost;
 434 .float wp08mincost, wp09mincost, wp10mincost, wp11mincost, wp12mincost, wp13mincost, wp14mincost, wp15mincost;
 435 .float wp16mincost, wp17mincost, wp18mincost, wp19mincost, wp20mincost, wp21mincost, wp22mincost, wp23mincost, wp24mincost, wp25mincost, wp26mincost, wp27mincost, wp28mincost, wp29mincost, wp30mincost, wp31mincost;
 436 .float wpfire, wpcost, wpconsidered;
 437 .float wpisbox;
 438 .float wpflags;
 439 .vector wpnearestpoint;
 440
 441 // stack of current goals (the last one of which may be an item or other
 442 // desirable object, the rest are typically waypoints to reach it)
 443 .entity goalcurrent, goalstack01, goalstack02, goalstack03;
 444 .entity goalstack04, goalstack05, goalstack06, goalstack07;
 445 .entity goalstack08, goalstack09, goalstack10, goalstack11;
 446 .entity goalstack12, goalstack13, goalstack14, goalstack15;
 447 .entity goalstack16, goalstack17, goalstack18, goalstack19;
 448 .entity goalstack20, goalstack21, goalstack22, goalstack23;
 449 .entity goalstack24, goalstack25, goalstack26, goalstack27;
 450 .entity goalstack28, goalstack29, goalstack30, goalstack31;
 451
 452 .entity nearestwaypoint;
 453 .float nearestwaypointtimeout;
 454
 455 // used during navigation_goalrating_begin/end sessions
 456 #define MAX_BESTGOALS 3
 457 float bestgoalswindex;
 458 float bestgoalsrindex;
 459 float navigation_bestrating;
 460 entity navigation_bestgoals[MAX_BESTGOALS];
 461 .float navigation_hasgoals;
 462
 463 /////////////////////////////////////////////////////////////////////////////
 464 // spawnfunc_waypoint management
 465 /////////////////////////////////////////////////////////////////////////////
 466
 467 // waypoints with this flag are not saved, they are automatically generated
 468 // waypoints like jump pads, teleporters, and items
 469 float WAYPOINTFLAG_GENERATED = 8388608;
 470 float WAYPOINTFLAG_ITEM = 4194304;
 471 float WAYPOINTFLAG_TELEPORT = 2097152;
 472 float WAYPOINTFLAG_NORELINK = 1048576;
 473
 474 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
 475 void waypoint_addlink(entity from, entity to)
 476 {
 477         local float c;
 478
 479         if (from == to)
 480                 return;
 481         if (from.wpflags & WAYPOINTFLAG_NORELINK)
 482                 return;
 483
 484         if (from.wp00 == to) return;if (from.wp01 == to) return;if (from.wp02 == to) return;if (from.wp03 == to) return;
 485         if (from.wp04 == to) return;if (from.wp05 == to) return;if (from.wp06 == to) return;if (from.wp07 == to) return;
 486         if (from.wp08 == to) return;if (from.wp09 == to) return;if (from.wp10 == to) return;if (from.wp11 == to) return;
 487         if (from.wp12 == to) return;if (from.wp13 == to) return;if (from.wp14 == to) return;if (from.wp15 == to) return;
 488         if (from.wp16 == to) return;if (from.wp17 == to) return;if (from.wp18 == to) return;if (from.wp19 == to) return;
 489         if (from.wp20 == to) return;if (from.wp21 == to) return;if (from.wp22 == to) return;if (from.wp23 == to) return;
 490         if (from.wp24 == to) return;if (from.wp25 == to) return;if (from.wp26 == to) return;if (from.wp27 == to) return;
 491         if (from.wp28 == to) return;if (from.wp29 == to) return;if (from.wp30 == to) return;if (from.wp31 == to) return;
 492
 493         if (to.wpisbox || from.wpisbox)
 494         {
 495                 // if either is a box we have to find the nearest points on them to
 496                 // calculate the distance properly
 497                 local vector v1, v2, m1, m2;
 498                 v1 = from.origin;
 499                 m1 = to.absmin;
 500                 m2 = to.absmax;
 501                 v1_x = bound(m1_x, v1_x, m2_x);
 502                 v1_y = bound(m1_y, v1_y, m2_y);
 503                 v1_z = bound(m1_z, v1_z, m2_z);
 504                 v2 = to.origin;
 505                 m1 = from.absmin;
 506                 m2 = from.absmax;
 507                 v2_x = bound(m1_x, v2_x, m2_x);
 508                 v2_y = bound(m1_y, v2_y, m2_y);
 509                 v2_z = bound(m1_z, v2_z, m2_z);
 510                 v2 = to.origin;
 511                 c = vlen(v2 - v1);
 512         }
 513         else
 514                 c = vlen(to.origin - from.origin);
 515
 516         if (from.wp31mincost < c) return;
 517         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
 518         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
 519         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
 520         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
 521         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
 522         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
 523         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
 524         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
 525         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
 526         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
 527         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
 528         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
 529         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
 530         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
 531         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
 532         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
 533         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
 534         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
 535         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
 536         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
 537         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
 538         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
 539         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
 540         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
 541         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
 542         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
 543         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
 544         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
 545         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
 546         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
 547         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
 548         from.wp00 = to;from.wp00mincost = c;return;
 549 };
 550
 551 // fields you can query using prvm_global server to get some statistics about waypoint linking culling
 552 float relink_total, relink_walkculled, relink_pvsculled, relink_lengthculled;
 553
 554 // relink this spawnfunc_waypoint
 555 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
 556 // (SLOW!)
 557 void waypoint_think()
 558 {
 559         local entity e;
 560         local vector sv, sm1, sm2, ev, em1, em2, dv;
 561         //dprint("waypoint_think wpisbox = ", ftos(self.wpisbox), "\n");
 562         sm1 = self.origin + self.mins;
 563         sm2 = self.origin + self.maxs;
 564         stepheightvec = cvar("sv_stepheight") * '0 0 1';
 565         for(e = world; (e = find(e, classname, "waypoint")); )
 566         {
 567                 if (boxesoverlap(self.absmin, self.absmax, e.absmin, e.absmax))
 568                 {
 569                         waypoint_addlink(self, e);
 570                         waypoint_addlink(e, self);
 571                 }
 572                 else
 573                 {
 574                         ++relink_total;
 575                         if(!checkpvs(self.origin, e))
 576                         {
 577                                 ++relink_pvsculled;
 578                                 continue;
 579                         }
 580                         sv = e.origin;
 581                         sv_x = bound(sm1_x, sv_x, sm2_x);
 582                         sv_y = bound(sm1_y, sv_y, sm2_y);
 583                         sv_z = bound(sm1_z, sv_z, sm2_z);
 584                         ev = self.origin;
 585                         em1 = e.origin + e.mins;
 586                         em2 = e.origin + e.maxs;
 587                         ev_x = bound(em1_x, ev_x, em2_x);
 588                         ev_y = bound(em1_y, ev_y, em2_y);
 589                         ev_z = bound(em1_z, ev_z, em2_z);
 590                         dv = ev - sv;
 591                         dv_z = 0;
 592                         if (vlen(dv) >= 1050) // max search distance in XY
 593                         {
 594                                 ++relink_lengthculled;
 595                                 continue;
 596                         }
 597                         navigation_testtracewalk = 0;
 598                         if (!self.wpisbox)
 599                         {
 600                                 tracebox(sv - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, sv, FALSE, self);
 601                                 if (!trace_startsolid)
 602                                 {
 603                                         //dprint("sv deviation", vtos(trace_endpos - sv), "\n");
 604                                         sv = trace_endpos + '0 0 1';
 605                                 }
 606                         }
 607                         if (!e.wpisbox)
 608                         {
 609                                 tracebox(ev - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, ev, FALSE, e);
 610                                 if (!trace_startsolid)
 611                                 {
 612                                         //dprint("ev deviation", vtos(trace_endpos - ev), "\n");
 613                                         ev = trace_endpos + '0 0 1';
 614                                 }
 615                         }
 616                         //traceline(self.origin, e.origin, FALSE, world);
 617                         //if (trace_fraction == 1)
 618                         if (!self.wpisbox && tracewalk(self, sv, PL_MIN, PL_MAX, ev, MOVE_NOMONSTERS))
 619                                 waypoint_addlink(self, e);
 620                         else
 621                                 relink_walkculled += 0.5;
 622                         if (!e.wpisbox && tracewalk(e, ev, PL_MIN, PL_MAX, sv, MOVE_NOMONSTERS))
 623                                 waypoint_addlink(e, self);
 624                         else
 625                                 relink_walkculled += 0.5;
 626                 }
 627         }
 628         navigation_testtracewalk = 0;
 629 };
 630
 631 void waypoint_clearlinks(entity wp)
 632 {
 633         // clear links to other waypoints
 634         local float f;
 635         f = 10000000;
 636         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;
 637         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;
 638         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;
 639         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;
 640 };
 641
 642 // tell a spawnfunc_waypoint to relink
 643 void waypoint_schedulerelink(entity wp)
 644 {
 645         if (wp == world)
 646                 return;
 647         // TODO: add some sort of visible box in edit mode for box waypoints
 648         if (cvar("g_waypointeditor"))
 649         {
 650                 local vector m1, m2;
 651                 m1 = wp.mins;
 652                 m2 = wp.maxs;
 653                 setmodel(wp, "models/runematch/rune.mdl"); wp.effects = EF_LOWPRECISION;
 654                 setsize(wp, m1, m2);
 655                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 656                         wp.colormod = '1 0 0';
 657                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 658                         wp.colormod = '1 1 0';
 659                 else
 660                         wp.colormod = '1 1 1';
 661         }
 662         else
 663                 wp.model = "";
 664         wp.wpisbox = vlen(wp.size) > 0;
 665         wp.enemy = world;
 666         wp.owner = world;
 667         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
 668                 waypoint_clearlinks(wp);
 669         // schedule an actual relink on next frame
 670         wp.think = waypoint_think;
 671         wp.nextthink = time;
 672         wp.effects = EF_LOWPRECISION;
 673 }
 674
 675 // create a new spawnfunc_waypoint and automatically link it to other waypoints, and link
 676 // them back to it as well
 677 // (suitable for spawnfunc_waypoint editor)
 678 entity waypoint_spawn(vector m1, vector m2, float f)
 679 {
 680         local entity w;
 681         local vector org;
 682         w = find(world, classname, "waypoint");
 683         while (w)
 684         {
 685                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
 686                 if (boxesoverlap(m1, m2, w.absmin, w.absmax))
 687                         return w;
 688                 w = find(w, classname, "waypoint");
 689         }
 690         w = spawn();
 691         w.classname = "waypoint";
 692         w.wpflags = f;
 693         setorigin(w, (m1 + m2) * 0.5);
 694         setsize(w, m1 - w.origin, m2 - w.origin);
 695         if (vlen(w.size) > 0)
 696                 w.wpisbox = TRUE;
 697
 698         if(!(f & WAYPOINTFLAG_GENERATED))
 699         if(!w.wpisbox)
 700         {
 701                 traceline(w.origin + '0 0 1', w.origin + PL_MIN_z * '0 0 1' - '0 0 1', MOVE_NOMONSTERS, w);
 702                 if (trace_fraction < 1)
 703                         setorigin(w, trace_endpos - PL_MIN_z * '0 0 1');
 704
 705                 // check if the start position is stuck
 706                 tracebox(w.origin, PL_MIN + '-1 -1 -1', PL_MAX + '1 1 1', w.origin, MOVE_NOMONSTERS, w);
 707                 if (trace_startsolid)
 708                 {
 709                         org = w.origin + '0 0 26';
 710                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 711                         if(trace_startsolid)
 712                         {
 713                                 org = w.origin + '2 2 2';
 714                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 715                                 if(trace_startsolid)
 716                                 {
 717                                         org = w.origin + '-2 -2 2';
 718                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 719                                         if(trace_startsolid)
 720                                         {
 721                                                 org = w.origin + '-2 2 2';
 722                                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 723                                                 if(trace_startsolid)
 724                                                 {
 725                                                         org = w.origin + '2 -2 2';
 726                                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 727                                                         if(trace_startsolid)
 728                                                         {
 729                                                                 // this WP is in solid, refuse it
 730                                                                 dprint("Killed a waypoint that was stuck in solid at ", vtos(org), "\n");
 731                                                                 remove(w);
 732                                                                 return world;
 733                                                         }
 734                                                 }
 735                                         }
 736                                 }
 737                         }
 738                         setorigin(w, org * 0.05 + trace_endpos * 0.95); // don't trust the trace fully
 739                 }
 740
 741                 tracebox(w.origin, PL_MIN, PL_MAX, w.origin - '0 0 128', MOVE_WORLDONLY, w);
 742                 if(trace_startsolid)
 743                 {
 744                         dprint("Killed a waypoint that was stuck in solid ", vtos(w.origin), "\n");
 745                         remove(w);
 746                         return world;
 747                 }
 748                 if (!trace_inwater)
 749                 {
 750                         if(trace_fraction == 1)
 751                         {
 752                                 dprint("Killed a waypoint that was stuck in air at ", vtos(w.origin), "\n");
 753                                 remove(w);
 754                                 return world;
 755                         }
 756                         trace_endpos_z += 0.1; // don't trust the trace fully
 757 //                      dprint("Moved waypoint at ", vtos(w.origin), " by ", ftos(vlen(w.origin - trace_endpos)));
 758 //                      dprint(" direction: ", vtos((trace_endpos - w.origin)), "\n");
 759                         setorigin(w, trace_endpos);
 760                 }
 761         }
 762
 763         waypoint_clearlinks(w);
 764         //waypoint_schedulerelink(w);
 765         return w;
 766 };
 767
 768 // spawnfunc_waypoint map entity
 769 void spawnfunc_waypoint()
 770 {
 771         setorigin(self, self.origin);
 772         // schedule a relink after other waypoints have had a chance to spawn
 773         waypoint_clearlinks(self);
 774         //waypoint_schedulerelink(self);
 775 };
 776
 777 // remove a spawnfunc_waypoint, and schedule all neighbors to relink
 778 void waypoint_remove(entity e)
 779 {
 780         // tell all linked waypoints that they need to relink
 781         waypoint_schedulerelink(e.wp00);
 782         waypoint_schedulerelink(e.wp01);
 783         waypoint_schedulerelink(e.wp02);
 784         waypoint_schedulerelink(e.wp03);
 785         waypoint_schedulerelink(e.wp04);
 786         waypoint_schedulerelink(e.wp05);
 787         waypoint_schedulerelink(e.wp06);
 788         waypoint_schedulerelink(e.wp07);
 789         waypoint_schedulerelink(e.wp08);
 790         waypoint_schedulerelink(e.wp09);
 791         waypoint_schedulerelink(e.wp10);
 792         waypoint_schedulerelink(e.wp11);
 793         waypoint_schedulerelink(e.wp12);
 794         waypoint_schedulerelink(e.wp13);
 795         waypoint_schedulerelink(e.wp14);
 796         waypoint_schedulerelink(e.wp15);
 797         waypoint_schedulerelink(e.wp16);
 798         waypoint_schedulerelink(e.wp17);
 799         waypoint_schedulerelink(e.wp18);
 800         waypoint_schedulerelink(e.wp19);
 801         waypoint_schedulerelink(e.wp20);
 802         waypoint_schedulerelink(e.wp21);
 803         waypoint_schedulerelink(e.wp22);
 804         waypoint_schedulerelink(e.wp23);
 805         waypoint_schedulerelink(e.wp24);
 806         waypoint_schedulerelink(e.wp25);
 807         waypoint_schedulerelink(e.wp26);
 808         waypoint_schedulerelink(e.wp27);
 809         waypoint_schedulerelink(e.wp28);
 810         waypoint_schedulerelink(e.wp29);
 811         waypoint_schedulerelink(e.wp30);
 812         waypoint_schedulerelink(e.wp31);
 813         // and now remove the spawnfunc_waypoint
 814         remove(e);
 815 };
 816
 817 // empties the map of waypoints
 818 void waypoint_removeall()
 819 {
 820         local entity head, next;
 821         head = findchain(classname, "waypoint");
 822         while (head)
 823         {
 824                 next = head.chain;
 825                 remove(head);
 826                 head = next;
 827         }
 828 };
 829
 830 // tell all waypoints to relink
 831 // (is this useful at all?)
 832 void waypoint_schedulerelinkall()
 833 {
 834         local entity head;
 835         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
 836         head = findchain(classname, "waypoint");
 837         while (head)
 838         {
 839                 waypoint_schedulerelink(head);
 840                 head = head.chain;
 841         }
 842 };
 843
 844 // Load waypoint links from file
 845 float botframe_cachedwaypointlinks;
 846 float waypoint_load_links()
 847 {
 848         local string filename, s;
 849         local float file, tokens, c, found;
 850         local entity wp_from, wp_to;
 851         local vector wp_to_pos, wp_from_pos;
 852         filename = strcat("maps/", mapname);
 853         filename = strcat(filename, ".waypoints.cache");
 854         file = fopen(filename, FILE_READ);
 855
 856         if (file < 0)
 857         {
 858                 dprint("waypoint links load from ");
 859                 dprint(filename);
 860                 dprint(" failed\n");
 861                 return FALSE;
 862         }
 863
 864         while (1)
 865         {
 866                 s = fgets(file);
 867                 if (!s)
 868                         break;
 869
 870                 tokens = tokenizebyseparator(s, "*");
 871
 872                 if (tokens!=2)
 873                 {
 874                         // bad file format
 875                         fclose(file);
 876                         return FALSE;
 877                 }
 878
 879                 wp_from_pos     = stov(argv(0));
 880                 wp_to_pos       = stov(argv(1));
 881
 882                 // Search "from" waypoint
 883                 if(wp_from.origin!=wp_from_pos)
 884                 {
 885                         wp_from = findradius(wp_from_pos, 1);
 886                         found = FALSE;
 887                         while(wp_from)
 888                         {
 889                                 if(vlen(wp_from.origin-wp_from_pos)<1)
 890                                 if(wp_from.classname == "waypoint")
 891                                 {
 892                                         found = TRUE;
 893                                         break;
 894                                 }
 895                                 wp_from = wp_from.chain;
 896                         }
 897
 898                         if(!found)
 899                         {
 900                                 // can't find that waypoint
 901                                 fclose(file);
 902                                 return FALSE;
 903                         }
 904                 }
 905
 906                 // Search "to" waypoint
 907                 wp_to = findradius(wp_to_pos, 1);
 908                 found = FALSE;
 909                 while(wp_to)
 910                 {
 911                         if(vlen(wp_to.origin-wp_to_pos)<1)
 912                         if(wp_to.classname == "waypoint")
 913                         {
 914                                 found = TRUE;
 915                                 break;
 916                         }
 917                         wp_to = wp_to.chain;
 918                 }
 919
 920                 if(!found)
 921                 {
 922                         // can't find that waypoint
 923                         fclose(file);
 924                         return FALSE;
 925                 }
 926
 927                 ++c;
 928                 waypoint_addlink(wp_from, wp_to);
 929         }
 930
 931         fclose(file);
 932
 933         dprint("loaded ");
 934         dprint(ftos(c));
 935         dprint(" waypoint links from maps/");
 936         dprint(mapname);
 937         dprint(".waypoints.cache\n");
 938
 939         botframe_cachedwaypointlinks = TRUE;
 940         return TRUE;
 941 };
 942
 943
 944 // Save all waypoint links to a file
 945 void waypoint_save_links()
 946 {
 947         local string filename, s;
 948         local float file, c, i;
 949         local entity w, link;
 950         filename = strcat("maps/", mapname);
 951         filename = strcat(filename, ".waypoints.cache");
 952         file = fopen(filename, FILE_WRITE);
 953         if (file < 0)
 954         {
 955                 print("waypoint links save to ");
 956                 print(filename);
 957                 print(" failed\n");
 958         }
 959         c = 0;
 960         w = findchain(classname, "waypoint");
 961         while (w)
 962         {
 963                 for(i=0;i<32;++i)
 964                 {
 965                         // :S
 966                         switch(i)
 967                         {
 968                                 //      for i in $(seq -w 0 31); do echo "case $i:link = w.wp$i; break;"; done;
 969                                 case 00:link = w.wp00; break;
 970                                 case 01:link = w.wp01; break;
 971                                 case 02:link = w.wp02; break;
 972                                 case 03:link = w.wp03; break;
 973                                 case 04:link = w.wp04; break;
 974                                 case 05:link = w.wp05; break;
 975                                 case 06:link = w.wp06; break;
 976                                 case 07:link = w.wp07; break;
 977                                 case 08:link = w.wp08; break;
 978                                 case 09:link = w.wp09; break;
 979                                 case 10:link = w.wp10; break;
 980                                 case 11:link = w.wp11; break;
 981                                 case 12:link = w.wp12; break;
 982                                 case 13:link = w.wp13; break;
 983                                 case 14:link = w.wp14; break;
 984                                 case 15:link = w.wp15; break;
 985                                 case 16:link = w.wp16; break;
 986                                 case 17:link = w.wp17; break;
 987                                 case 18:link = w.wp18; break;
 988                                 case 19:link = w.wp19; break;
 989                                 case 20:link = w.wp20; break;
 990                                 case 21:link = w.wp21; break;
 991                                 case 22:link = w.wp22; break;
 992                                 case 23:link = w.wp23; break;
 993                                 case 24:link = w.wp24; break;
 994                                 case 25:link = w.wp25; break;
 995                                 case 26:link = w.wp26; break;
 996                                 case 27:link = w.wp27; break;
 997                                 case 28:link = w.wp28; break;
 998                                 case 29:link = w.wp29; break;
 999                                 case 30:link = w.wp30; break;
1000                                 case 31:link = w.wp31; break;
1001                         }
1002
1003                         if(link==world)
1004                                 continue;
1005
1006                         s = strcat(vtos(w.origin), "*", vtos(link.origin), "\n");
1007                         fputs(file, s);
1008                         ++c;
1009                 }
1010                 w = w.chain;
1011         }
1012         fclose(file);
1013         botframe_cachedwaypointlinks = TRUE;
1014
1015         print("saved ");
1016         print(ftos(c));
1017         print(" waypoints links to maps/");
1018         print(mapname);
1019         print(".waypoints.cache\n");
1020 };
1021
1022 // save waypoints to gamedir/data/maps/mapname.waypoints
1023 void waypoint_saveall()
1024 {
1025         local string filename, s;
1026         local float file, c;
1027         local entity w;
1028         filename = strcat("maps/", mapname);
1029         filename = strcat(filename, ".waypoints");
1030         file = fopen(filename, FILE_WRITE);
1031         if (file >= 0)
1032         {
1033                 c = 0;
1034                 w = findchain(classname, "waypoint");
1035                 while (w)
1036                 {
1037                         if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
1038                         {
1039                                 s = strcat(vtos(w.origin + w.mins), "\n");
1040                                 s = strcat(s, vtos(w.origin + w.maxs));
1041                                 s = strcat(s, "\n");
1042                                 s = strcat(s, ftos(w.wpflags));
1043                                 s = strcat(s, "\n");
1044                                 fputs(file, s);
1045                                 c = c + 1;
1046                         }
1047                         w = w.chain;
1048                 }
1049                 fclose(file);
1050                 bprint("saved ");
1051                 bprint(ftos(c));
1052                 bprint(" waypoints to maps/");
1053                 bprint(mapname);
1054                 bprint(".waypoints\n");
1055         }
1056         else
1057         {
1058                 bprint("waypoint save to ");
1059                 bprint(filename);
1060                 bprint(" failed\n");
1061         }
1062         waypoint_save_links();
1063 };
1064
1065 // load waypoints from file
1066 float waypoint_loadall()
1067 {
1068         local string filename, s;
1069         local float file, cwp, cwb, fl;
1070         local vector m1, m2;
1071         cwp = 0;
1072         cwb = 0;
1073         filename = strcat("maps/", mapname);
1074         filename = strcat(filename, ".waypoints");
1075         file = fopen(filename, FILE_READ);
1076         if (file >= 0)
1077         {
1078                 while (1)
1079                 {
1080                         s = fgets(file);
1081                         if (!s)
1082                                 break;
1083                         m1 = stov(s);
1084                         s = fgets(file);
1085                         if (!s)
1086                                 break;
1087                         m2 = stov(s);
1088                         s = fgets(file);
1089                         if (!s)
1090                                 break;
1091                         fl = stof(s);
1092                         waypoint_spawn(m1, m2, fl);
1093                         if (m1 == m2)
1094                                 cwp = cwp + 1;
1095                         else
1096                                 cwb = cwb + 1;
1097                 }
1098                 fclose(file);
1099                 dprint("loaded ");
1100                 dprint(ftos(cwp));
1101                 dprint(" waypoints and ");
1102                 dprint(ftos(cwb));
1103                 dprint(" wayboxes from maps/");
1104                 dprint(mapname);
1105                 dprint(".waypoints\n");
1106         }
1107         else
1108         {
1109                 dprint("waypoint load from ");
1110                 dprint(filename);
1111                 dprint(" failed\n");
1112         }
1113         return cwp + cwb;
1114 };
1115
1116 void waypoint_spawnforitem(entity e)
1117 {
1118         local entity w;
1119         local vector org;
1120
1121         if(!bot_waypoints_for_items)
1122                 return;
1123
1124         org = e.origin + (e.mins + e.maxs) * 0.5;
1125         org_z = e.origin_z + e.mins_z - PL_MIN_z + 1;
1126         e.nearestwaypointtimeout = time + 1000000000;
1127         // don't spawn an item spawnfunc_waypoint if it already exists
1128         w = findchain(classname, "waypoint");
1129         while (w)
1130         {
1131                 if (w.wpisbox)
1132                 {
1133                         if (boxesoverlap(org, org, w.absmin, w.absmax))
1134                         {
1135                                 e.nearestwaypoint = w;
1136                                 return;
1137                         }
1138                 }
1139                 else
1140                 {
1141                         if (vlen(w.origin - org) < 16)
1142                         {
1143                                 e.nearestwaypoint = w;
1144                                 return;
1145                         }
1146                 }
1147                 w = w.chain;
1148         }
1149         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1150 };
1151
1152 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken)
1153 {
1154         local entity w;
1155         local entity dw;
1156         w = waypoint_spawn(e.absmin, e.absmax, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
1157         dw = waypoint_spawn(destination, destination, WAYPOINTFLAG_GENERATED);
1158         // one way link to the destination
1159         w.wp00 = dw;
1160         w.wp00mincost = timetaken; // this is just for jump pads
1161         // the teleporter's nearest spawnfunc_waypoint is this one
1162         // (teleporters are not goals, so this is probably useless)
1163         e.nearestwaypoint = w;
1164         e.nearestwaypointtimeout = time + 1000000000;
1165 };
1166
1167
1168
1169
1170
1171 /////////////////////////////////////////////////////////////////////////////
1172 // goal stack
1173 /////////////////////////////////////////////////////////////////////////////
1174
1175 // completely empty the goal stack, used when deciding where to go
1176 void navigation_clearroute()
1177 {
1178         self.goalcurrent = world;
1179         self.goalstack01 = world;
1180         self.goalstack02 = world;
1181         self.goalstack03 = world;
1182         self.goalstack04 = world;
1183         self.goalstack05 = world;
1184         self.goalstack06 = world;
1185         self.goalstack07 = world;
1186         self.goalstack08 = world;
1187         self.goalstack09 = world;
1188         self.goalstack10 = world;
1189         self.goalstack11 = world;
1190         self.goalstack12 = world;
1191         self.goalstack13 = world;
1192         self.goalstack14 = world;
1193         self.goalstack15 = world;
1194         self.goalstack16 = world;
1195         self.goalstack17 = world;
1196         self.goalstack18 = world;
1197         self.goalstack19 = world;
1198         self.goalstack20 = world;
1199         self.goalstack21 = world;
1200         self.goalstack22 = world;
1201         self.goalstack23 = world;
1202         self.goalstack24 = world;
1203         self.goalstack25 = world;
1204         self.goalstack26 = world;
1205         self.goalstack27 = world;
1206         self.goalstack28 = world;
1207         self.goalstack29 = world;
1208         self.goalstack30 = world;
1209         self.goalstack31 = world;
1210 };
1211
1212 // add a new goal at the beginning of the stack
1213 // (in other words: add a new prerequisite before going to the later goals)
1214 void navigation_pushroute(entity e)
1215 {
1216         self.goalstack31 = self.goalstack30;
1217         self.goalstack30 = self.goalstack29;
1218         self.goalstack29 = self.goalstack28;
1219         self.goalstack28 = self.goalstack27;
1220         self.goalstack27 = self.goalstack26;
1221         self.goalstack26 = self.goalstack25;
1222         self.goalstack25 = self.goalstack24;
1223         self.goalstack24 = self.goalstack23;
1224         self.goalstack23 = self.goalstack22;
1225         self.goalstack22 = self.goalstack21;
1226         self.goalstack21 = self.goalstack20;
1227         self.goalstack20 = self.goalstack19;
1228         self.goalstack19 = self.goalstack18;
1229         self.goalstack18 = self.goalstack17;
1230         self.goalstack17 = self.goalstack16;
1231         self.goalstack16 = self.goalstack15;
1232         self.goalstack15 = self.goalstack14;
1233         self.goalstack14 = self.goalstack13;
1234         self.goalstack13 = self.goalstack12;
1235         self.goalstack12 = self.goalstack11;
1236         self.goalstack11 = self.goalstack10;
1237         self.goalstack10 = self.goalstack09;
1238         self.goalstack09 = self.goalstack08;
1239         self.goalstack08 = self.goalstack07;
1240         self.goalstack07 = self.goalstack06;
1241         self.goalstack06 = self.goalstack05;
1242         self.goalstack05 = self.goalstack04;
1243         self.goalstack04 = self.goalstack03;
1244         self.goalstack03 = self.goalstack02;
1245         self.goalstack02 = self.goalstack01;
1246         self.goalstack01 = self.goalcurrent;
1247         self.goalcurrent = e;
1248 };
1249
1250 // remove first goal from stack
1251 // (in other words: remove a prerequisite for reaching the later goals)
1252 // (used when a spawnfunc_waypoint is reached)
1253 void navigation_poproute()
1254 {
1255         self.goalcurrent = self.goalstack01;
1256         self.goalstack01 = self.goalstack02;
1257         self.goalstack02 = self.goalstack03;
1258         self.goalstack03 = self.goalstack04;
1259         self.goalstack04 = self.goalstack05;
1260         self.goalstack05 = self.goalstack06;
1261         self.goalstack06 = self.goalstack07;
1262         self.goalstack07 = self.goalstack08;
1263         self.goalstack08 = self.goalstack09;
1264         self.goalstack09 = self.goalstack10;
1265         self.goalstack10 = self.goalstack11;
1266         self.goalstack11 = self.goalstack12;
1267         self.goalstack12 = self.goalstack13;
1268         self.goalstack13 = self.goalstack14;
1269         self.goalstack14 = self.goalstack15;
1270         self.goalstack15 = self.goalstack16;
1271         self.goalstack16 = self.goalstack17;
1272         self.goalstack17 = self.goalstack18;
1273         self.goalstack18 = self.goalstack19;
1274         self.goalstack19 = self.goalstack20;
1275         self.goalstack20 = self.goalstack21;
1276         self.goalstack21 = self.goalstack22;
1277         self.goalstack22 = self.goalstack23;
1278         self.goalstack23 = self.goalstack24;
1279         self.goalstack24 = self.goalstack25;
1280         self.goalstack25 = self.goalstack26;
1281         self.goalstack26 = self.goalstack27;
1282         self.goalstack27 = self.goalstack28;
1283         self.goalstack28 = self.goalstack29;
1284         self.goalstack29 = self.goalstack30;
1285         self.goalstack30 = self.goalstack31;
1286         self.goalstack31 = world;
1287 };
1288
1289 // find the spawnfunc_waypoint near a dynamic goal such as a dropped weapon
1290 entity navigation_findnearestwaypoint(entity player, float walkfromwp)
1291 {
1292         local entity waylist, w, best;
1293         local float dist, bestdist;
1294         local vector v, org, pm1, pm2;
1295         pm1 = player.origin + PL_MIN;
1296         pm2 = player.origin + PL_MAX;
1297         waylist = findchain(classname, "waypoint");
1298         // do two scans, because box test is cheaper
1299         w = waylist;
1300         while (w)
1301         {
1302                 // if object is touching spawnfunc_waypoint
1303                 if (boxesoverlap(pm1, pm2, w.absmin, w.absmax))
1304                         return w;
1305                 w = w.chain;
1306         }
1307
1308         org = player.origin + (player.mins_z - PL_MIN_z) * '0 0 1';
1309         if(player.tag_entity)
1310                 org = org + player.tag_entity.origin;
1311         if (navigation_testtracewalk)
1312                 te_plasmaburn(org);
1313         best = world;
1314         bestdist = 1050;
1315
1316         // box check failed, try walk
1317         w = waylist;
1318         while (w)
1319         {
1320                 // if object can walk from spawnfunc_waypoint
1321                 if (w.wpisbox)
1322                 {
1323                         local vector wm1, wm2;
1324                         wm1 = w.origin + w.mins;
1325                         wm2 = w.origin + w.maxs;
1326                         v_x = bound(wm1_x, org_x, wm2_x);
1327                         v_y = bound(wm1_y, org_y, wm2_y);
1328                         v_z = bound(wm1_z, org_z, wm2_z);
1329                 }
1330                 else
1331                         v = w.origin;
1332                 dist = vlen(v - org);
1333                 if (bestdist > dist)
1334                 {
1335                         if (walkfromwp)
1336                         {
1337                                 traceline(v, org, TRUE, player);
1338                                 if (trace_fraction == 1)
1339                                 if (tracewalk(player, v, PL_MIN, PL_MAX, org, MOVE_NORMAL))
1340                                 {
1341                                         bestdist = dist;
1342                                         best = w;
1343                                 }
1344                         }
1345                         else
1346                         {
1347                                 traceline(v, org, TRUE, player);
1348                                 if (trace_fraction == 1)
1349                                 if (tracewalk(player, org, PL_MIN, PL_MAX, v, MOVE_NORMAL))
1350                                 {
1351                                         bestdist = dist;
1352                                         best = w;
1353                                 }
1354                         }
1355                 }
1356                 w = w.chain;
1357         }
1358         return best;
1359 }
1360
1361 // finds the waypoints near the bot initiating a navigation query
1362 float navigation_markroutes_nearestwaypoints(entity waylist, float maxdist)
1363 {
1364         local entity head;
1365         local vector v, m1, m2, diff;
1366         local float c;
1367 //      navigation_testtracewalk = TRUE;
1368         c = 0;
1369         head = waylist;
1370         while (head)
1371         {
1372                 if (!head.wpconsidered)
1373                 {
1374                         if (head.wpisbox)
1375                         {
1376                                 m1 = head.origin + head.mins;
1377                                 m2 = head.origin + head.maxs;
1378                                 v = self.origin;
1379                                 v_x = bound(m1_x, v_x, m2_x);
1380                                 v_y = bound(m1_y, v_y, m2_y);
1381                                 v_z = bound(m1_z, v_z, m2_z);
1382                         }
1383                         else
1384                                 v = head.origin;
1385                         diff = v - self.origin;
1386                         diff_z = max(0, diff_z);
1387                         if (vlen(diff) < maxdist)
1388                         {
1389                                 head.wpconsidered = TRUE;
1390                                 if (tracewalk(self, self.origin, self.mins, self.maxs, v, MOVE_NORMAL))
1391                                 {
1392                                         head.wpnearestpoint = v;
1393                                         head.wpcost = vlen(v - self.origin) + head.dmg;
1394                                         head.wpfire = 1;
1395                                         head.enemy = world;
1396                                         c = c + 1;
1397                                 }
1398                         }
1399                 }
1400                 head = head.chain;
1401         }
1402         //navigation_testtracewalk = FALSE;
1403         return c;
1404 }
1405
1406 // updates a path link if a spawnfunc_waypoint link is better than the current one
1407 void navigation_markroutes_checkwaypoint(entity w, entity wp, float cost2, vector p)
1408 {
1409         local vector m1;
1410         local vector m2;
1411         local vector v;
1412         if (wp.wpisbox)
1413         {
1414                 m1 = wp.absmin;
1415                 m2 = wp.absmax;
1416                 v_x = bound(m1_x, p_x, m2_x);
1417                 v_y = bound(m1_y, p_y, m2_y);
1418                 v_z = bound(m1_z, p_z, m2_z);
1419         }
1420         else
1421                 v = wp.origin;
1422         cost2 = cost2 + vlen(v);
1423         if (wp.wpcost > cost2)
1424         {
1425                 wp.wpcost = cost2;
1426                 wp.enemy = w;
1427                 wp.wpfire = 1;
1428                 wp.wpnearestpoint = v;
1429         }
1430 };
1431
1432 // queries the entire spawnfunc_waypoint network for pathes leading away from the bot
1433 void navigation_markroutes()
1434 {
1435         local entity w, wp, waylist;
1436         local float searching, cost, cost2;
1437         local vector p;
1438         w = waylist = findchain(classname, "waypoint");
1439         while (w)
1440         {
1441                 w.wpconsidered = FALSE;
1442                 w.wpnearestpoint = '0 0 0';
1443                 w.wpcost = 10000000;
1444                 w.wpfire = 0;
1445                 w.enemy = world;
1446                 w = w.chain;
1447         }
1448
1449         // try a short range search for the nearest waypoints, and expand the search repeatedly if none are found
1450         // as this search is expensive we will use lower values if the bot is on the air
1451         local float i, increment, maxdistance;
1452         if(self.flags & FL_ONGROUND)
1453         {
1454                 increment = 750;
1455                 maxdistance = 50000;
1456         }
1457         else
1458         {
1459                 increment = 500;
1460                 maxdistance = 1500;
1461         }
1462
1463         for(i=increment;!navigation_markroutes_nearestwaypoints(waylist, i)&&i<maxdistance;i+=increment);
1464
1465         searching = TRUE;
1466         while (searching)
1467         {
1468                 searching = FALSE;
1469                 w = waylist;
1470                 while (w)
1471                 {
1472                         if (w.wpfire)
1473                         {
1474                                 searching = TRUE;
1475                                 w.wpfire = 0;
1476                                 cost = w.wpcost;
1477                                 p = w.wpnearestpoint;
1478                                 wp = w.wp00;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp00mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1479                                 wp = w.wp01;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp01mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1480                                 wp = w.wp02;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp02mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1481                                 wp = w.wp03;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp03mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1482                                 wp = w.wp04;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp04mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1483                                 wp = w.wp05;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp05mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1484                                 wp = w.wp06;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp06mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1485                                 wp = w.wp07;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp07mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1486                                 wp = w.wp08;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp08mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1487                                 wp = w.wp09;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp09mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1488                                 wp = w.wp10;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp10mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1489                                 wp = w.wp11;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp11mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1490                                 wp = w.wp12;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp12mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1491                                 wp = w.wp13;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp13mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1492                                 wp = w.wp14;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp14mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1493                                 wp = w.wp15;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp15mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1494                                 wp = w.wp16;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp16mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1495                                 wp = w.wp17;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp17mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1496                                 wp = w.wp18;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp18mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1497                                 wp = w.wp19;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp19mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1498                                 wp = w.wp20;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp20mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1499                                 wp = w.wp21;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp21mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1500                                 wp = w.wp22;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp22mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1501                                 wp = w.wp23;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp23mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1502                                 wp = w.wp24;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp24mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1503                                 wp = w.wp25;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp25mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1504                                 wp = w.wp26;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp26mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1505                                 wp = w.wp27;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp27mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1506                                 wp = w.wp28;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp28mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1507                                 wp = w.wp29;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp29mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1508                                 wp = w.wp30;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp30mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1509                                 wp = w.wp31;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp31mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1510                                 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
1511                         }
1512                         w = w.chain;
1513                 }
1514         }
1515 };
1516
1517 void navigation_bestgoals_reset()
1518 {
1519         local float i;
1520
1521         bestgoalswindex = 0;
1522         bestgoalsrindex = 0;
1523
1524         for(i=0;i>MAX_BESTGOALS-1;++i)
1525         {
1526                 navigation_bestgoals[i] = world;
1527         }
1528 }
1529
1530 void navigation_add_bestgoal(entity goal)
1531 {
1532         local float i;
1533
1534         if(bestgoalsrindex>0)
1535         {
1536                 ++bestgoalsrindex;
1537
1538                 if(bestgoalsrindex==MAX_BESTGOALS)
1539                         bestgoalsrindex = 0;
1540         }
1541
1542         if(bestgoalswindex==MAX_BESTGOALS)
1543         {
1544                 bestgoalswindex=0;
1545                 bestgoalsrindex=1;
1546         }
1547
1548         navigation_bestgoals[bestgoalswindex] = goal;
1549
1550         ++bestgoalswindex;
1551
1552 }
1553
1554 entity navigation_get_bestgoal()
1555 {
1556         local float i;
1557         local entity ent;
1558
1559         ent = navigation_bestgoals[bestgoalsrindex];
1560         navigation_bestgoals[bestgoalsrindex] = world;
1561
1562         ++bestgoalsrindex;
1563
1564         if(bestgoalsrindex==MAX_BESTGOALS)
1565                 bestgoalsrindex = 0;
1566
1567         return ent;
1568 }
1569
1570 // updates the best goal according to a weighted calculation of travel cost and item value of a new proposed item
1571 .void() havocbot_role;
1572 void() havocbot_role_ctf_offense;
1573 void navigation_routerating(entity e, float f, float rangebias)
1574 {
1575         if (!e)
1576                 return;
1577         //te_wizspike(e.origin);
1578         //bprint(etos(e));
1579         //bprint("\n");
1580         // update the cached spawnfunc_waypoint link on a dynamic item entity
1581         if (time > e.nearestwaypointtimeout)
1582         {
1583                 e.nearestwaypoint = navigation_findnearestwaypoint(e, TRUE);
1584                 e.nearestwaypointtimeout = time + random() * 3 + 5;
1585         }
1586         //dprint(e.classname, " ", ftos(f));
1587         //dprint("-- checking ", e.classname, " (with cost ", ftos(e.nearestwaypoint.wpcost), ")\n");
1588         if (e.nearestwaypoint)
1589         if (e.nearestwaypoint.wpcost < 10000000)
1590         {
1591                 //te_wizspike(e.nearestwaypoint.wpnearestpoint);
1592                 //dprint(e.classname, " ", ftos(f), "/(1+", ftos((e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint))), "/", ftos(rangebias), ") = ");
1593                 f = f * rangebias / (rangebias + (e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint)));
1594                 //if (self.havocbot_role == havocbot_role_ctf_offense)
1595                 //      dprint("-- considering ", e.classname, " (with rating ", ftos(f), ")\n");
1596                 //dprint(ftos(f));
1597                 if (navigation_bestrating < f)
1598                 {
1599                         navigation_bestrating = f;
1600                         navigation_add_bestgoal(e);
1601                 }
1602         }
1603         //dprint("\n");
1604 };
1605
1606 // adds an item to the the goal stack with the path to a given item
1607 float navigation_routetogoal(entity e, vector startposition)
1608 {
1609         self.goalentity = e;
1610
1611         // if there is no goal, just exit
1612         if (!e)
1613                 return FALSE;
1614
1615         // put the entity on the goal stack
1616         navigation_pushroute(e);
1617
1618         // if it can reach the goal there is nothing more to do
1619         if (tracewalk(self, startposition, PL_MIN, PL_MAX, e.origin, MOVE_NORMAL))
1620                 return TRUE;
1621
1622         // see if there are waypoints describing a path to the item
1623         e = e.nearestwaypoint;
1624         if(e == world)
1625                 return FALSE;
1626
1627         for (;;)
1628         {
1629                 // add the spawnfunc_waypoint to the path
1630                 navigation_pushroute(e);
1631                 e = e.enemy;
1632
1633                 if(e==world)
1634                         break;
1635         }
1636
1637         return TRUE;
1638 };
1639
1640 void navigation_routetogoals()
1641 {
1642         entity e;
1643         vector position, v;
1644
1645         navigation_clearroute();
1646
1647         position = self.origin;
1648         for(;;)
1649         {
1650                 e = navigation_get_bestgoal();
1651
1652                 if(e==world)
1653                         return;
1654
1655                 if(navigation_routetogoal(e, position))
1656                 {
1657                         position = v;
1658                         self.navigation_hasgoals = TRUE;
1659                 }
1660         }
1661 }
1662
1663 // removes any currently touching waypoints from the goal stack
1664 // (this is how bots detect if they have reached a goal)
1665 void navigation_poptouchedgoals()
1666 {
1667         local vector org, m1, m2;
1668         org = self.origin;// + self.velocity * 0.1;
1669         m1 = org + self.mins;
1670         m2 = org + self.maxs;
1671
1672         // Loose goal touching check for running state
1673         if(self.aistatus & AI_STATUS_RUNNING)
1674         if(self.goalcurrent.classname=="waypoint")
1675         {
1676                 if(vlen(self.origin - self.goalcurrent.origin)<150)
1677                 {
1678                                 traceline(self.origin + self.view_ofs , self.goalcurrent.origin, TRUE, world);
1679                                 if(trace_fraction==1)
1680                                 {
1681                                         navigation_poproute();
1682                                 }
1683                 }
1684         }
1685
1686         while (self.goalcurrent && boxesoverlap(m1, m2, self.goalcurrent.absmin, self.goalcurrent.absmax))
1687                 navigation_poproute();
1688 }
1689
1690 // begin a goal selection session (queries spawnfunc_waypoint network)
1691 void navigation_goalrating_start()
1692 {
1693         navigation_bestrating = -1;
1694         self.navigation_hasgoals = TRUE;
1695         navigation_bestgoals_reset();
1696         navigation_markroutes();
1697 };
1698
1699 // ends a goal selection session (updates goal stack to the best goal)
1700 void navigation_goalrating_end()
1701 {
1702         navigation_routetogoals();
1703 };
1704
1705
1706 //////////////////////////////////////////////////////////////////////////////
1707 // general bot functions
1708 //////////////////////////////////////////////////////////////////////////////
1709
1710 .float isbot; // true if this client is actually a bot
1711
1712 float skill;
1713 entity bot_list;
1714 .entity nextbot;
1715 .string netname_freeme;
1716
1717 float sv_maxspeed;
1718 .float createdtime;
1719
1720 .float bot_preferredcolors;
1721
1722 .float bot_attack;
1723 .float bot_dodge;
1724 .float bot_dodgerating;
1725
1726 //.float bot_painintensity;
1727 .float bot_firetimer;
1728 //.float bot_oldhealth;
1729 .void() bot_ai;
1730
1731 .entity bot_aimtarg;
1732 .float bot_aimlatency;
1733 .vector bot_aimselforigin;
1734 .vector bot_aimselfvelocity;
1735 .vector bot_aimtargorigin;
1736 .vector bot_aimtargvelocity;
1737
1738 .float bot_pickup;
1739 .float(entity player, entity item) bot_pickupevalfunc;
1740 .float bot_pickupbasevalue;
1741 .float bot_canfire;
1742 .float bot_strategytime;
1743
1744 // used for aiming currently
1745 // FIXME: make the weapon code use these and then replace the calculations here with a call to the weapon code
1746 vector shotorg;
1747 vector shotdir;
1748
1749 const float BOTSKINS = 19;
1750 const float BOTNAMES = 32;
1751 string bot_namefornumber(float r)
1752 {
1753         if (r <  1) return "Thunderstorm";
1754         if (r <  2) return "Darkness";
1755         if (r <  3) return "Scorcher";
1756         if (r <  4) return "Paranoia";
1757         if (r <  5) return "Eureka";
1758         if (r <  6) return "Mystery";
1759         if (r <  7) return "Toxic";
1760         if (r <  8) return "Dominion";
1761         if (r <  9) return "Pegasus";
1762         if (r < 10) return "Sensible";
1763         if (r < 11) return "Gator";
1764         if (r < 12) return "Kangaroo";
1765         if (r < 13) return "Deadline";
1766         if (r < 14) return "Frosty";
1767         if (r < 15) return "Roadkill";
1768         if (r < 16) return "Death";
1769         if (r < 17) return "Panic";
1770         if (r < 18) return "Discovery";
1771         if (r < 19) return "Shadow";
1772         if (r < 20) return "Acidic";
1773         if (r < 21) return "Dominator";
1774         if (r < 22) return "Hellfire";
1775         if (r < 23) return "Necrotic";
1776         if (r < 24) return "Newbie";
1777         if (r < 25) return "Spellbinder";
1778         if (r < 26) return "Lion";
1779         if (r < 27) return "Controlled";
1780         if (r < 28) return "Airhead";
1781         if (r < 29) return "Delirium";
1782         if (r < 30) return "Resurrection";
1783         if (r < 31) return "Danger";
1784         return "Flatline";
1785 };
1786
1787 string bot_skinfornumber(float r)
1788 {
1789              if (r <  1) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "0";return "Carni"          ;}
1790         else if (r <  2) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "1";return "Armored Carni"  ;}
1791         else if (r <  3) {self.playermodel = "models/player/crash.zym"          ;self.playerskin = "0";return "Quark"          ;}
1792         else if (r <  4) {self.playermodel = "models/player/grunt.zym"          ;self.playerskin = "0";return "Grunt"          ;}
1793         else if (r <  5) {self.playermodel = "models/player/headhunter.zym"     ;self.playerskin = "0";return "HeadHunter"     ;}
1794         else if (r <  6) {self.playermodel = "models/player/insurrectionist.zym";self.playerskin = "0";return "Insurrectionist";}
1795         else if (r <  7) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "0";return "Lurk"           ;}
1796         else if (r <  8) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "1";return "Reptile"        ;}
1797         else if (r <  9) {self.playermodel = "models/player/lycanthrope.zym"    ;self.playerskin = "0";return "Lycanthrope"    ;}
1798         else if (r < 10) {self.playermodel = "models/player/marine.zym"         ;self.playerskin = "0";return "Marine"         ;}
1799         else if (r < 11) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "0";return "Nexus"          ;}
1800         else if (r < 12) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "1";return "Mulder"         ;}
1801         else if (r < 13) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "2";return "Xolar"          ;}
1802         else if (r < 14) {self.playermodel = "models/player/pyria.zym"          ;self.playerskin = "0";return "Pyria"          ;}
1803         else if (r < 15) {self.playermodel = "models/player/shock.zym"          ;self.playerskin = "0";return "Shock"          ;}
1804         else if (r < 16) {self.playermodel = "models/player/skadi.zym"          ;self.playerskin = "0";return "Skadi"          ;}
1805         else if (r < 17) {self.playermodel = "models/player/specop.zym"         ;self.playerskin = "0";return "Specop"         ;}
1806         else             {self.playermodel = "models/player/visitant.zym"       ;self.playerskin = "0";return "Fricka"         ;}
1807 };
1808
1809 void bot_setnameandstuff()
1810 {
1811         local string name, prefix, suffix;
1812         local float r, b, shirt, pants;
1813
1814         prefix = cvar_string("bot_prefix");
1815         suffix = cvar_string("bot_suffix");
1816
1817         // this is really only a default, JoinBestTeam is called later
1818         pants = floor(random() * 15);
1819         shirt = floor(random() * 15);
1820         //shirt = pants;
1821         setcolor(self, shirt * 16 + pants);
1822         self.bot_preferredcolors = self.clientcolors;
1823
1824         // now pick a name...
1825
1826         if (cvar("bot_usemodelnames"))
1827         {
1828                 // first see if all skins are taken
1829                 b = 0;
1830                 do
1831                 {
1832                         name = bot_skinfornumber(b);
1833                         b = b + 1;
1834                 }
1835                 while (b < BOTSKINS && find(world, netname, name));
1836
1837                 // randomly pick a skin, if it's taken either repeat until we find one,
1838                 // or give up if we already know all skins are taken
1839                 do
1840                 {
1841                         r = floor(random() * BOTSKINS);
1842                         name = bot_skinfornumber(r);
1843                 }
1844                 while (b < BOTSKINS && find(world, netname, name));
1845         }
1846         else
1847         {
1848                 // first see if all names are taken
1849                 b = 0;
1850                 do
1851                 {
1852                         name = bot_namefornumber(b);
1853                         b = b + 1;
1854                 }
1855                 while (b < BOTNAMES && find(world, netname, name));
1856
1857                 // randomly pick a name, if it's taken either repeat until we find one,
1858                 // or give up if we already know all names are taken
1859                 do
1860                 {
1861                         r = floor(random() * BOTNAMES);
1862                         name = bot_namefornumber(r);
1863                 }
1864                 while (b < BOTNAMES && find(world, netname, name));
1865
1866                 // randomly pick a skin
1867                 bot_skinfornumber(floor(random() * BOTSKINS));
1868         }
1869         if(!cvar("g_campaign"))
1870                 self.netname = self.netname_freeme = strzone(strcat(prefix, name, suffix));
1871         else
1872                 self.netname = name;
1873 };
1874
1875 float bot_custom_weapon;
1876 float bot_distance_far;
1877 float bot_distance_close;
1878
1879 float bot_weapons_far[WEP_LAST];
1880 float bot_weapons_mid[WEP_LAST];
1881 float bot_weapons_close[WEP_LAST];
1882
1883 void bot_custom_weapon_priority_setup()
1884 {
1885         local float tokens, i, c, w;
1886
1887         bot_custom_weapon = FALSE;
1888
1889         if(     cvar_string("bot_ai_custom_weapon_priority_far") == "" ||
1890                 cvar_string("bot_ai_custom_weapon_priority_mid") == "" ||
1891                 cvar_string("bot_ai_custom_weapon_priority_close") == "" ||
1892                 cvar_string("bot_ai_custom_weapon_priority_distances") == ""
1893         )
1894                 return;
1895
1896         // Parse distances
1897         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_distances")," ");
1898
1899         if (tokens!=2)
1900                 return;
1901
1902         bot_distance_far = stof(argv(0));
1903         bot_distance_close = stof(argv(1));
1904
1905         if(bot_distance_far < bot_distance_close){
1906                 bot_distance_far = stof(argv(1));
1907                 bot_distance_close = stof(argv(0));
1908         }
1909
1910         // Initialize list of weapons
1911         bot_weapons_far[0] = -1;
1912         bot_weapons_mid[0] = -1;
1913         bot_weapons_close[0] = -1;
1914
1915         // Parse far distance weapon priorities
1916         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_far")," ");
1917
1918         c = 0;
1919         for(i=0; i < tokens && c < WEP_COUNT; ++i){
1920                 w = stof(argv(i));
1921                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
1922                         bot_weapons_far[c] = w;
1923                         ++c;
1924                 }
1925         }
1926         if(c < WEP_COUNT)
1927                 bot_weapons_far[c] = -1;
1928
1929         // Parse mid distance weapon priorities
1930         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_mid")," ");
1931
1932         c = 0;
1933         for(i=0; i < tokens && c < WEP_COUNT; ++i){
1934                 w = stof(argv(i));
1935                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
1936                         bot_weapons_mid[c] = w;
1937                         ++c;
1938                 }
1939         }
1940         if(c < WEP_COUNT)
1941                 bot_weapons_mid[c] = -1;
1942
1943         // Parse close distance weapon priorities
1944         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_close")," ");
1945
1946         c = 0;
1947         for(i=0; i < tokens && i < WEP_COUNT; ++i){
1948                 w = stof(argv(i));
1949                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
1950                         bot_weapons_close[c] = w;
1951                         ++c;
1952                 }
1953         }
1954         if(c < WEP_COUNT)
1955                 bot_weapons_close[c] = -1;
1956
1957         bot_custom_weapon = TRUE;
1958 };
1959
1960
1961 void bot_endgame()
1962 {
1963         local entity e;
1964         //dprint("bot_endgame\n");
1965         e = bot_list;
1966         while (e)
1967         {
1968                 setcolor(e, e.bot_preferredcolors);
1969                 e = e.nextbot;
1970         }
1971         // if dynamic waypoints are ever implemented, save them here
1972 };
1973
1974 float bot_ignore_bots; // let bots not attack other bots (only works in non-teamplay)
1975 float bot_shouldattack(entity e)
1976 {
1977         if (e.team == self.team)
1978         {
1979                 if (e == self)
1980                         return FALSE;
1981                 if (teams_matter)
1982                 if (e.team != 0)
1983                         return FALSE;
1984         }
1985         if(!teams_matter)
1986                 if(bot_ignore_bots)
1987                         if(clienttype(e) == CLIENTTYPE_BOT)
1988                                 return FALSE;
1989         if (!e.takedamage)
1990                 return FALSE;
1991         if (e.deadflag)
1992                 return FALSE;
1993         if (e.BUTTON_CHAT)
1994                 return FALSE;
1995         if(g_minstagib)
1996         if(e.items & IT_STRENGTH)
1997                 return FALSE;
1998         if(e.flags & FL_NOTARGET)
1999                 return FALSE;
2000         return TRUE;
2001 };
2002
2003 void bot_lagfunc(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
2004 {
2005         if(self.flags & FL_INWATER)
2006         {
2007                 self.bot_aimtarg = world;
2008                 return;
2009         }
2010         self.bot_aimtarg = e1;
2011         self.bot_aimlatency = self.ping; // FIXME?  Shouldn't this be in the lag item?
2012         self.bot_aimselforigin = v1;
2013         self.bot_aimselfvelocity = v2;
2014         self.bot_aimtargorigin = v3;
2015         self.bot_aimtargvelocity = v4;
2016         if(skill <= 0)
2017                 self.bot_canfire = (random() < 0.8);
2018         else if(skill <= 1)
2019                 self.bot_canfire = (random() < 0.9);
2020         else if(skill <= 2)
2021                 self.bot_canfire = (random() < 0.95);
2022         else
2023                 self.bot_canfire = 1;
2024 };
2025
2026 .float bot_nextthink;
2027 .float bot_badaimtime;
2028 .float bot_aimthinktime;
2029 .float bot_prevaimtime;
2030 .vector bot_mouseaim;
2031 .vector bot_badaimoffset;
2032 .vector bot_1st_order_aimfilter;
2033 .vector bot_2nd_order_aimfilter;
2034 .vector bot_3th_order_aimfilter;
2035 .vector bot_4th_order_aimfilter;
2036 .vector bot_5th_order_aimfilter;
2037 .vector bot_olddesiredang;
2038 float bot_aimdir(vector v, float maxfiredeviation)
2039 {
2040         local float dist, delta_t, blend;
2041         local vector desiredang, diffang;
2042
2043         //dprint("aim ", self.netname, ": old:", vtos(self.v_angle));
2044         // make sure v_angle is sane first
2045         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2046         self.v_angle_z = 0;
2047
2048         // get the desired angles to aim at
2049         //dprint(" at:", vtos(v));
2050         v = normalize(v);
2051         //te_lightning2(world, self.origin + self.view_ofs, self.origin + self.view_ofs + v * 200);
2052         if (time >= self.bot_badaimtime)
2053         {
2054                 self.bot_badaimtime = max(self.bot_badaimtime + 0.3, time);
2055                 self.bot_badaimoffset = randomvec() * bound(0, 5 - 0.5 * (skill+self.bot_offsetskill), 5) * cvar("bot_ai_aimskill_offset");
2056         }
2057         desiredang = vectoangles(v) + self.bot_badaimoffset;
2058         //dprint(" desired:", vtos(desiredang));
2059         if (desiredang_x >= 180)
2060                 desiredang_x = desiredang_x - 360;
2061         desiredang_x = bound(-90, 0 - desiredang_x, 90);
2062         desiredang_z = self.v_angle_z;
2063         //dprint(" / ", vtos(desiredang));
2064
2065         //// pain throws off aim
2066         //if (self.bot_painintensity)
2067         //{
2068         //      // shake from pain
2069         //      desiredang = desiredang + randomvec() * self.bot_painintensity * 0.2;
2070         //}
2071
2072         // calculate turn angles
2073         diffang = (desiredang - self.bot_olddesiredang);
2074         // wrap yaw turn
2075         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2076         if (diffang_y >= 180)
2077                 diffang_y = diffang_y - 360;
2078         self.bot_olddesiredang = desiredang;
2079         //dprint(" diff:", vtos(diffang));
2080
2081         delta_t = time-self.bot_prevaimtime;
2082         self.bot_prevaimtime = time;
2083         // Here we will try to anticipate the comming aiming direction
2084         self.bot_1st_order_aimfilter= self.bot_1st_order_aimfilter
2085                 + (diffang * (1 / delta_t)    - self.bot_1st_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_1st"),1);
2086         self.bot_2nd_order_aimfilter= self.bot_2nd_order_aimfilter
2087                 + (self.bot_1st_order_aimfilter - self.bot_2nd_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_2nd"),1);
2088         self.bot_3th_order_aimfilter= self.bot_3th_order_aimfilter
2089                 + (self.bot_2nd_order_aimfilter - self.bot_3th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_3th"),1);
2090         self.bot_4th_order_aimfilter= self.bot_4th_order_aimfilter
2091                 + (self.bot_3th_order_aimfilter - self.bot_4th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_4th"),1);
2092         self.bot_5th_order_aimfilter= self.bot_5th_order_aimfilter
2093                 + (self.bot_4th_order_aimfilter - self.bot_5th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_5th"),1);
2094
2095         //blend = (bound(0,skill,10)*0.1)*pow(1-bound(0,skill,10)*0.05,2.5)*5.656854249; //Plot formule before changing !
2096         blend = bound(0,skill,10)*0.1;
2097         desiredang = desiredang + blend *
2098         (
2099                   self.bot_1st_order_aimfilter * cvar("bot_ai_aimskill_order_mix_1st")
2100                 + self.bot_2nd_order_aimfilter * cvar("bot_ai_aimskill_order_mix_2nd")
2101                 + self.bot_3th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_3th")
2102                 + self.bot_4th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_4th")
2103                 + self.bot_5th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_5th")
2104         );
2105
2106         // calculate turn angles
2107         diffang = desiredang - self.bot_mouseaim;
2108         // wrap yaw turn
2109         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2110         if (diffang_y >= 180)
2111                 diffang_y = diffang_y - 360;
2112         //dprint(" diff:", vtos(diffang));
2113
2114         if (time >= self.bot_aimthinktime)
2115         {
2116                 self.bot_aimthinktime = max(self.bot_aimthinktime + 0.5 - 0.05*(skill+self.bot_thinkskill), time);
2117                 self.bot_mouseaim = self.bot_mouseaim + diffang * (1-random()*0.1*bound(1,10-skill,10));
2118         }
2119
2120         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2121
2122         diffang = self.bot_mouseaim - desiredang;
2123         // wrap yaw turn
2124         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2125         if (diffang_y >= 180)
2126                 diffang_y = diffang_y - 360;
2127         desiredang = desiredang + diffang * bound(0,cvar("bot_ai_aimskill_think"),1);
2128
2129         // calculate turn angles
2130         diffang = desiredang - self.v_angle;
2131         // wrap yaw turn
2132         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2133         if (diffang_y >= 180)
2134                 diffang_y = diffang_y - 360;
2135         //dprint(" diff:", vtos(diffang));
2136
2137         // jitter tracking
2138         dist = vlen(diffang);
2139         //diffang = diffang + randomvec() * (dist * 0.05 * (3.5 - bound(0, skill, 3)));
2140
2141         // turn
2142         local float r, fixedrate, blendrate;
2143         fixedrate = cvar("bot_ai_aimskill_fixedrate") / bound(1,dist,1000);
2144         blendrate = cvar("bot_ai_aimskill_blendrate");
2145         r = max(fixedrate, blendrate);
2146         //self.v_angle = self.v_angle + diffang * bound(frametime, r * frametime * (2+skill*skill*0.05-random()*0.05*(10-skill)), 1);
2147         self.v_angle = self.v_angle + diffang * bound(delta_t, r * delta_t * (2+pow(skill+self.bot_mouseskill,3)*0.005-random()), 1);
2148         self.v_angle = self.v_angle * bound(0,cvar("bot_ai_aimskill_mouse"),1) + desiredang * bound(0,(1-cvar("bot_ai_aimskill_mouse")),1);
2149         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2150         //self.v_angle = self.v_angle + diffang * (1/ blendrate);
2151         self.v_angle_z = 0;
2152         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2153         //dprint(" turn:", vtos(self.v_angle));
2154
2155         makevectors(self.v_angle);
2156         shotorg = self.origin + self.view_ofs;
2157         shotdir = v_forward;
2158
2159         //dprint(" dir:", vtos(v_forward));
2160         //te_lightning2(world, shotorg, shotorg + shotdir * 100);
2161
2162         // calculate turn angles again
2163         //diffang = desiredang - self.v_angle;
2164         //diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2165         //if (diffang_y >= 180)
2166         //      diffang_y = diffang_y - 360;
2167
2168         //dprint("e ", vtos(diffang), " < ", ftos(maxfiredeviation), "\n");
2169
2170         // decide whether to fire this time
2171         // note the maxfiredeviation is in degrees so this has to convert to radians first
2172         //if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2173         if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2174         if (vlen(trace_endpos-shotorg) < 500+500*bound(0, skill, 10) || random()*random()>bound(0,skill*0.05,1))
2175                 self.bot_firetimer = time + bound(0.1, 0.5-skill*0.05, 0.5);
2176         //traceline(shotorg,shotorg+shotdir*1000,FALSE,world);
2177         //dprint(ftos(maxfiredeviation),"\n");
2178         //dprint(" diff:", vtos(diffang), "\n");
2179
2180         return self.bot_canfire && (time < self.bot_firetimer);
2181 };
2182
2183 vector bot_shotlead(vector targorigin, vector targvelocity, float shotspeed, float shotdelay)
2184 {
2185         // Try to add code here that predicts gravity effect here, no clue HOW to though ... well not yet atleast...
2186         return targorigin + targvelocity * (shotdelay + vlen(targorigin - shotorg) / shotspeed);
2187 };
2188
2189 float bot_aim(float shotspeed, float shotspeedupward, float maxshottime, float applygravity)
2190 {
2191         local float f, r;
2192         local vector v;
2193         /*
2194         eprint(self);
2195         dprint("bot_aim(", ftos(shotspeed));
2196         dprint(", ", ftos(shotspeedupward));
2197         dprint(", ", ftos(maxshottime));
2198         dprint(", ", ftos(applygravity));
2199         dprint(");\n");
2200         */
2201         if (!shotspeed)
2202         {
2203                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " shotspeed is zero!\n");
2204                 shotspeed = 1000000;
2205         }
2206         if (!maxshottime)
2207         {
2208                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " maxshottime is zero!\n");
2209                 maxshottime = 1;
2210         }
2211         makevectors(self.v_angle);
2212         shotorg = self.origin + self.view_ofs;
2213         shotdir = v_forward;
2214         v = bot_shotlead(self.bot_aimtargorigin, self.bot_aimtargvelocity, shotspeed, self.bot_aimlatency);
2215         local float distanceratio;
2216         distanceratio =sqrt(bound(0,skill,10000))*0.3*(vlen(v-shotorg)-100)/cvar("bot_ai_aimskill_firetolerance_distdegrees");
2217         distanceratio = bound(0,distanceratio,1);
2218         r =  (cvar("bot_ai_aimskill_firetolerance_maxdegrees")-cvar("bot_ai_aimskill_firetolerance_mindegrees"))
2219                 * (1-distanceratio) + cvar("bot_ai_aimskill_firetolerance_mindegrees");
2220         if (applygravity && self.bot_aimtarg)
2221         {
2222                 if (!findtrajectorywithleading(shotorg, '0 0 0', '0 0 0', self.bot_aimtarg, shotspeed, shotspeedupward, maxshottime, 0, self))
2223                         return FALSE;
2224                 f = bot_aimdir(findtrajectory_velocity - shotspeedupward * '0 0 1', r);
2225         }
2226         else
2227         {
2228                 f = bot_aimdir(v - shotorg, r);
2229                 //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");
2230                 traceline(shotorg, shotorg + shotdir * 10000, FALSE, self);
2231                 if (trace_ent.takedamage)
2232                 if (trace_fraction < 1)
2233                 if (!bot_shouldattack(trace_ent))
2234                         return FALSE;
2235                 traceline(shotorg, self.bot_aimtargorigin, FALSE, self);
2236                 if (trace_fraction < 1)
2237                 if (trace_ent != self.enemy)
2238                 if (!bot_shouldattack(trace_ent))
2239                         return FALSE;
2240         }
2241         if (r > maxshottime * shotspeed)
2242                 return FALSE;
2243         return f;
2244 };
2245
2246 // TODO: move this painintensity code to the player damage code
2247 void bot_think()
2248 {
2249         if (self.bot_nextthink > time)
2250                 return;
2251         self.bot_nextthink = self.bot_nextthink + cvar("bot_ai_thinkinterval");
2252         //if (self.bot_painintensity > 0)
2253         //      self.bot_painintensity = self.bot_painintensity - (skill + 1) * 40 * frametime;
2254
2255         //self.bot_painintensity = self.bot_painintensity + self.bot_oldhealth - self.health;
2256         //self.bot_painintensity = bound(0, self.bot_painintensity, 100);
2257
2258         if(time < game_starttime || ((cvar("g_campaign") && !campaign_bots_may_start)))
2259         {
2260                 self.nextthink = time + 0.5;
2261                 return;
2262         }
2263
2264         if (self.fixangle)
2265         {
2266                 self.v_angle = self.angles;
2267                 self.v_angle_z = 0;
2268                 self.fixangle = FALSE;
2269         }
2270
2271         self.dmg_take = 0;
2272         self.dmg_save = 0;
2273         self.dmg_inflictor = world;
2274
2275         // calculate an aiming latency based on the skill setting
2276         // (simulated network latency + naturally delayed reflexes)
2277         //self.ping = 0.7 - bound(0, 0.05 * skill, 0.5); // moved the reflexes to bot_aimdir (under the name 'think')
2278         // minimum ping 20+10 random
2279         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
2280         // skill 10 = ping 0.2 (adrenaline)
2281         // skill 0 = ping 0.7 (slightly drunk)
2282
2283         // clear buttons
2284         self.BUTTON_ATCK = 0;
2285         self.button1 = 0;
2286         self.BUTTON_JUMP = 0;
2287         self.BUTTON_ATCK2 = 0;
2288         self.BUTTON_ZOOM = 0;
2289         self.BUTTON_CROUCH = 0;
2290         self.BUTTON_HOOK = 0;
2291         self.BUTTON_INFO = 0;
2292         self.button8 = 0;
2293         self.BUTTON_CHAT = 0;
2294         self.BUTTON_USE = 0;
2295
2296         // if dead, just wait until we can respawn
2297         if (self.deadflag)
2298         {
2299                 if (self.deadflag == DEAD_DEAD)
2300                 {
2301                         self.BUTTON_JUMP = 1; // press jump to respawn
2302                         self.bot_strategytime = 0;
2303                 }
2304                 return;
2305         }
2306
2307         // now call the current bot AI (havocbot for example)
2308         self.bot_ai();
2309 };
2310
2311 entity bot_strategytoken;
2312 float bot_strategytoken_taken;
2313 entity player_list;
2314 .entity nextplayer;
2315 void bot_relinkplayerlist()
2316 {
2317         local entity e;
2318         local entity prevbot;
2319         player_count = 0;
2320         currentbots = 0;
2321         player_list = e = findchainflags(flags, FL_CLIENT);
2322         bot_list = world;
2323         prevbot = world;
2324         while (e)
2325         {
2326                 player_count = player_count + 1;
2327                 e.nextplayer = e.chain;
2328                 if (clienttype(e) == CLIENTTYPE_BOT)
2329                 {
2330                         if (prevbot)
2331                                 prevbot.nextbot = e;
2332                         else
2333                                 bot_list = e;
2334                         prevbot = e;
2335                         currentbots = currentbots + 1;
2336                 }
2337                 e = e.chain;
2338         }
2339         dprint(strcat("relink: ", ftos(currentbots), " bots seen.\n"));
2340         bot_strategytoken = bot_list;
2341         bot_strategytoken_taken = TRUE;
2342 };
2343
2344 void() havocbot_setupbot;
2345 float JoinBestTeam(entity pl, float only_return_best, float forcebestteam);
2346
2347 void bot_clientdisconnect()
2348 {
2349         if (clienttype(self) != CLIENTTYPE_BOT)
2350                 return;
2351         if(self.netname_freeme)
2352                 strunzone(self.netname_freeme);
2353         self.netname_freeme = string_null;
2354 }
2355
2356 void bot_clientconnect()
2357 {
2358         if (clienttype(self) != CLIENTTYPE_BOT)
2359                 return;
2360         self.bot_preferredcolors = self.clientcolors;
2361         self.bot_nextthink = time - random();
2362         self.lag_func = bot_lagfunc;
2363         self.isbot = TRUE;
2364         self.createdtime = self.nextthink;
2365         JoinBestTeam(self, FALSE, TRUE);
2366         havocbot_setupbot();
2367         self.bot_mouseskill=random()-0.5;
2368         self.bot_thinkskill=random()-0.5;
2369         self.bot_predictionskill=random()-0.5;
2370         self.bot_offsetskill=random()-0.5;
2371 };
2372
2373 entity bot_spawn()
2374 {
2375         local entity oldself, bot;
2376         bot = spawnclient();
2377         if (bot)
2378         {
2379                 currentbots = currentbots + 1;
2380                 oldself = self;
2381                 self = bot;
2382                 bot_setnameandstuff();
2383                 ClientConnect();
2384                 PutClientInServer();
2385                 self = oldself;
2386         }
2387         return bot;
2388 };
2389
2390 void CheckAllowedTeams(entity for_whom); void GetTeamCounts(entity other); float c1, c2, c3, c4;
2391 void bot_removefromlargestteam()
2392 {
2393         local float besttime, bestcount, thiscount;
2394         local entity best, head;
2395         CheckAllowedTeams(world);
2396         GetTeamCounts(world);
2397         head = findchainfloat(isbot, TRUE);
2398         if (!head)
2399                 return;
2400         best = head;
2401         besttime = head.createdtime;
2402         bestcount = 0;
2403         while (head)
2404         {
2405                 if(head.team == COLOR_TEAM1)
2406                         thiscount = c1;
2407                 else if(head.team == COLOR_TEAM2)
2408                         thiscount = c2;
2409                 else if(head.team == COLOR_TEAM3)
2410                         thiscount = c3;
2411                 else if(head.team == COLOR_TEAM4)
2412                         thiscount = c4;
2413                 else
2414                         thiscount = 0;
2415                 if (thiscount > bestcount)
2416                 {
2417                         bestcount = thiscount;
2418                         besttime = head.createdtime;
2419                         best = head;
2420                 }
2421                 else if (thiscount == bestcount && besttime < head.createdtime)
2422                 {
2423                         besttime = head.createdtime;
2424                         best = head;
2425                 }
2426                 head = head.chain;
2427         }
2428         currentbots = currentbots - 1;
2429         dropclient(best);
2430 };
2431
2432 void bot_removenewest()
2433 {
2434         local float besttime;
2435         local entity best, head;
2436
2437         if(teams_matter)
2438         {
2439                 bot_removefromlargestteam();
2440                 return;
2441         }
2442
2443         head = findchainfloat(isbot, TRUE);
2444         if (!head)
2445                 return;
2446         best = head;
2447         besttime = head.createdtime;
2448         while (head)
2449         {
2450                 if (besttime < head.createdtime)
2451                 {
2452                         besttime = head.createdtime;
2453                         best = head;
2454                 }
2455                 head = head.chain;
2456         }
2457         currentbots = currentbots - 1;
2458         dropclient(best);
2459 };
2460
2461 float botframe_waypointeditorlightningtime;
2462 void botframe_showwaypointlinks()
2463 {
2464         local entity player, head, w;
2465         if (time < botframe_waypointeditorlightningtime)
2466                 return;
2467         botframe_waypointeditorlightningtime = time + 0.5;
2468         player = find(world, classname, "player");
2469         while (player)
2470         {
2471                 if (!player.isbot)
2472                 if (player.flags & FL_ONGROUND || player.waterlevel > WATERLEVEL_NONE)
2473                 {
2474                         //navigation_testtracewalk = TRUE;
2475                         head = navigation_findnearestwaypoint(player, FALSE);
2476                         //navigation_testtracewalk = FALSE;
2477                         if (head)
2478                         {
2479                                 w = head     ;if (w) te_lightning2(world, w.origin, player.origin);
2480                                 w = head.wp00;if (w) te_lightning2(world, w.origin, head.origin);
2481                                 w = head.wp01;if (w) te_lightning2(world, w.origin, head.origin);
2482                                 w = head.wp02;if (w) te_lightning2(world, w.origin, head.origin);
2483                                 w = head.wp03;if (w) te_lightning2(world, w.origin, head.origin);
2484                                 w = head.wp04;if (w) te_lightning2(world, w.origin, head.origin);
2485                                 w = head.wp05;if (w) te_lightning2(world, w.origin, head.origin);
2486                                 w = head.wp06;if (w) te_lightning2(world, w.origin, head.origin);
2487                                 w = head.wp07;if (w) te_lightning2(world, w.origin, head.origin);
2488                                 w = head.wp08;if (w) te_lightning2(world, w.origin, head.origin);
2489                                 w = head.wp09;if (w) te_lightning2(world, w.origin, head.origin);
2490                                 w = head.wp10;if (w) te_lightning2(world, w.origin, head.origin);
2491                                 w = head.wp11;if (w) te_lightning2(world, w.origin, head.origin);
2492                                 w = head.wp12;if (w) te_lightning2(world, w.origin, head.origin);
2493                                 w = head.wp13;if (w) te_lightning2(world, w.origin, head.origin);
2494                                 w = head.wp14;if (w) te_lightning2(world, w.origin, head.origin);
2495                                 w = head.wp15;if (w) te_lightning2(world, w.origin, head.origin);
2496                                 w = head.wp16;if (w) te_lightning2(world, w.origin, head.origin);
2497                                 w = head.wp17;if (w) te_lightning2(world, w.origin, head.origin);
2498                                 w = head.wp18;if (w) te_lightning2(world, w.origin, head.origin);
2499                                 w = head.wp19;if (w) te_lightning2(world, w.origin, head.origin);
2500                                 w = head.wp20;if (w) te_lightning2(world, w.origin, head.origin);
2501                                 w = head.wp21;if (w) te_lightning2(world, w.origin, head.origin);
2502                                 w = head.wp22;if (w) te_lightning2(world, w.origin, head.origin);
2503                                 w = head.wp23;if (w) te_lightning2(world, w.origin, head.origin);
2504                                 w = head.wp24;if (w) te_lightning2(world, w.origin, head.origin);
2505                                 w = head.wp25;if (w) te_lightning2(world, w.origin, head.origin);
2506                                 w = head.wp26;if (w) te_lightning2(world, w.origin, head.origin);
2507                                 w = head.wp27;if (w) te_lightning2(world, w.origin, head.origin);
2508                                 w = head.wp28;if (w) te_lightning2(world, w.origin, head.origin);
2509                                 w = head.wp29;if (w) te_lightning2(world, w.origin, head.origin);
2510                                 w = head.wp30;if (w) te_lightning2(world, w.origin, head.origin);
2511                                 w = head.wp31;if (w) te_lightning2(world, w.origin, head.origin);
2512                         }
2513                 }
2514                 player = find(player, classname, "player");
2515         }
2516 };
2517
2518 entity botframe_dangerwaypoint;
2519 void botframe_updatedangerousobjects(float maxupdate)
2520 {
2521         local entity head, bot_dodgelist;
2522         local vector m1, m2, v;
2523         local float c, d, danger;
2524         c = 0;
2525         bot_dodgelist = findchainfloat(bot_dodge, TRUE);
2526         botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2527         while (botframe_dangerwaypoint != world)
2528         {
2529                 danger = 0;
2530                 m1 = botframe_dangerwaypoint.mins;
2531                 m2 = botframe_dangerwaypoint.maxs;
2532                 head = bot_dodgelist;
2533                 while (head)
2534                 {
2535                         v = head.origin;
2536                         v_x = bound(m1_x, v_x, m2_x);
2537                         v_y = bound(m1_y, v_y, m2_y);
2538                         v_z = bound(m1_z, v_z, m2_z);
2539                         d = head.bot_dodgerating - vlen(head.origin - v);
2540                         if (d > 0)
2541                         {
2542                                 traceline(head.origin, v, TRUE, world);
2543                                 if (trace_fraction == 1)
2544                                         danger = danger + d;
2545                         }
2546                         head = head.chain;
2547                 }
2548                 botframe_dangerwaypoint.dmg = danger;
2549                 c = c + 1;
2550                 if (c >= maxupdate)
2551                         break;
2552                 botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2553         }
2554 };
2555
2556
2557 float botframe_spawnedwaypoints;
2558 float botframe_nextthink;
2559 float botframe_nextdangertime;
2560
2561 float autoskill_nextthink;
2562 .float totalfrags_lastcheck;
2563 void autoskill(float factor)
2564 {
2565         float bestbot;
2566         float bestplayer;
2567         entity head;
2568
2569         bestbot = -1;
2570         bestplayer = -1;
2571         FOR_EACH_PLAYER(head)
2572         {
2573                 if(clienttype(head) == CLIENTTYPE_REAL)
2574                         bestplayer = max(bestplayer, head.totalfrags - head.totalfrags_lastcheck);
2575                 else
2576                         bestbot = max(bestbot, head.totalfrags - head.totalfrags_lastcheck);
2577         }
2578
2579         dprint("autoskill: best player got ", ftos(bestplayer), ", ");
2580         dprint("best bot got ", ftos(bestbot), "; ");
2581         if(bestbot < 0 || bestplayer < 0)
2582         {
2583                 dprint("not doing anything\n");
2584                 // don't return, let it reset all counters below
2585         }
2586         else if(bestbot <= bestplayer * factor - 2)
2587         {
2588                 if(cvar("skill") < 17)
2589                 {
2590                         dprint("2 frags difference, increasing skill\n");
2591                         cvar_set("skill", ftos(cvar("skill") + 1));
2592                         bprint("^2SKILL UP!^7 Now at level ", ftos(cvar("skill")), "\n");
2593                 }
2594         }
2595         else if(bestbot >= bestplayer * factor + 2)
2596         {
2597                 if(cvar("skill") > 0)
2598                 {
2599                         dprint("2 frags difference, decreasing skill\n");
2600                         cvar_set("skill", ftos(cvar("skill") - 1));
2601                         bprint("^1SKILL DOWN!^7 Now at level ", ftos(cvar("skill")), "\n");
2602                 }
2603         }
2604         else
2605         {
2606                 dprint("not doing anything\n");
2607                 return;
2608                 // don't reset counters, wait for them to accumulate
2609         }
2610
2611         FOR_EACH_PLAYER(head)
2612                 head.totalfrags_lastcheck = head.totalfrags;
2613 }
2614
2615 float bot_cvar_nextthink;
2616 void bot_serverframe()
2617 {
2618         float realplayers, bots, activerealplayers;
2619         entity head;
2620
2621         if (intermission_running)
2622                 return;
2623
2624         if (time < 2)
2625                 return;
2626
2627         if(time > autoskill_nextthink)
2628         {
2629                 float a;
2630                 a = cvar("skill_auto");
2631                 if(a)
2632                         autoskill(a);
2633                 autoskill_nextthink = time + 5;
2634         }
2635
2636         activerealplayers = 0;
2637         realplayers = 0;
2638
2639         FOR_EACH_REALCLIENT(head)
2640         {
2641                 if(head.classname == "player" || g_lms || g_arena)
2642                         ++activerealplayers;
2643                 ++realplayers;
2644         }
2645
2646         // add/remove bots if needed to make sure there are at least
2647         // minplayers+bot_number, or remove all bots if no one is playing
2648         // But don't remove bots immediately on level change, as the real players
2649         // usually haven't rejoined yet
2650         bots_would_leave = FALSE;
2651         if (realplayers || cvar("bot_join_empty") || (currentbots > 0 && time < 5))
2652         {
2653                 float realminplayers, minplayers;
2654                 realminplayers = cvar("minplayers");
2655                 minplayers = max(0, floor(realminplayers));
2656
2657                 float realminbots, minbots;
2658                 if(cvar("bot_vs_human"))
2659                         realminbots = ceil(fabs(cvar("bot_vs_human")) * activerealplayers);
2660                 else
2661                         realminbots = cvar("bot_number");
2662                 minbots = max(0, floor(realminbots));
2663
2664                 bots = min(max(minbots, minplayers - activerealplayers), maxclients - realplayers);
2665                 if(bots > minbots)
2666                         bots_would_leave = TRUE;
2667         }
2668         else
2669         {
2670                 // if there are no players, remove bots
2671                 bots = 0;
2672         }
2673
2674         bot_ignore_bots = cvar("bot_ignore_bots");
2675
2676         // only add one bot per frame to avoid utter chaos
2677         if(time > botframe_nextthink)
2678         {
2679                 //dprint(ftos(bots), " ? ", ftos(currentbots), "\n");
2680                 while (currentbots < bots)
2681                 {
2682                         if (bot_spawn() == world)
2683                         {
2684                                 bprint("Can not add bot, server full.\n");
2685                                 botframe_nextthink = time + 10;
2686                                 break;
2687                         }
2688                 }
2689                 while (currentbots > bots)
2690                         bot_removenewest();
2691         }
2692
2693         if(botframe_spawnedwaypoints)
2694         {
2695                 if(cvar("waypoint_benchmark"))
2696                         localcmd("quit\n");
2697         }
2698
2699         if (currentbots > 0 || cvar("g_waypointeditor"))
2700         if (botframe_spawnedwaypoints)
2701         {
2702                 if(!botframe_cachedwaypointlinks)
2703                 {
2704                         // TODO: Make this check cleaner
2705                         local entity wp = findchain(classname, "waypoint");
2706                         if(time - wp.nextthink > 10)
2707                                 waypoint_save_links();
2708                 }
2709         }
2710         else
2711         {
2712                 botframe_spawnedwaypoints = TRUE;
2713                 waypoint_loadall();
2714                 if(!waypoint_load_links())
2715                         waypoint_schedulerelinkall();
2716         }
2717
2718         if (bot_list)
2719         {
2720                 // cycle the goal token from one bot to the next each frame
2721                 // (this prevents them from all doing spawnfunc_waypoint searches on the same
2722                 //  frame, which causes choppy framerates)
2723                 if (bot_strategytoken_taken)
2724                 {
2725                         bot_strategytoken_taken = FALSE;
2726                         if (bot_strategytoken)
2727                                 bot_strategytoken = bot_strategytoken.nextbot;
2728                         if (!bot_strategytoken)
2729                                 bot_strategytoken = bot_list;
2730                 }
2731
2732                 if (botframe_nextdangertime < time)
2733                 {
2734                         local float interval;
2735                         interval = cvar("bot_ai_dangerdetectioninterval");
2736                         if (botframe_nextdangertime < time - interval * 1.5)
2737                                 botframe_nextdangertime = time;
2738                         botframe_nextdangertime = botframe_nextdangertime + interval;
2739                         botframe_updatedangerousobjects(cvar("bot_ai_dangerdetectionupdates"));
2740                 }
2741         }
2742
2743         if (cvar("g_waypointeditor"))
2744                 botframe_showwaypointlinks();
2745
2746         if(time > bot_cvar_nextthink)
2747         {
2748                 if(currentbots>1)
2749                         bot_custom_weapon_priority_setup();
2750                 bot_cvar_nextthink = time + 5;
2751         }
2752 };