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