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 float AI_STATUS_WAYPOINT_PERSONAL_LINKING       = 64;   // Waiting for the personal waypoint to be linked
   9 float AI_STATUS_WAYPOINT_PERSONAL_GOING         = 128;  // Going to a personal waypoint
  10 float AI_STATUS_WAYPOINT_PERSONAL_REACHED       = 256;  // Personal waypoint reached
  11
  12 // utilities for path debugging
  13 #ifdef DEBUG_TRACEWALK
  14
  15 float DEBUG_NODE_SUCCESS        = 1;
  16 float DEBUG_NODE_WARNING        = 2;
  17 float DEBUG_NODE_FAIL           = 3;
  18
  19 vector debuglastnode;
  20
  21 void debugresetnodes()
  22 {
  23         debuglastnode = '0 0 0';
  24 }
  25
  26 void debugnode(vector node)
  27 {
  28         if not(self.classname=="player")
  29                 return;
  30
  31         if(debuglastnode=='0 0 0')
  32         {
  33                 debuglastnode = node;
  34                 return;
  35         }
  36
  37         te_lightning2(world, node, debuglastnode);
  38         debuglastnode = node;
  39 }
  40
  41 void debugnodestatus(vector position, float status)
  42 {
  43         vector color;
  44
  45         switch (status)
  46         {
  47                 case DEBUG_NODE_SUCCESS:
  48                         color = '0 15 0';
  49                         break;
  50                 case DEBUG_NODE_WARNING:
  51                         color = '15 15 0';
  52                         break;
  53                 case DEBUG_NODE_FAIL:
  54                         color = '15 0 0';
  55                         break;
  56                 default:
  57                         color = '15 15 15';
  58         }
  59
  60         te_customflash(position, 40,  2, color);
  61 }
  62
  63 #endif
  64
  65 // rough simulation of walking from one point to another to test if a path
  66 // can be traveled, used for waypoint linking and havocbot
  67
  68 vector stepheightvec;
  69 float navigation_testtracewalk;
  70 float tracewalk(entity e, vector start, vector m1, vector m2, vector end, float movemode)
  71 {
  72         local vector org;
  73         local vector move;
  74         local vector dir;
  75         local float dist;
  76         local float totaldist;
  77         local float stepdist;
  78         local float yaw;
  79         local float ignorehazards;
  80         local float swimming;
  81
  82         #ifdef DEBUG_TRACEWALK
  83                 debugresetnodes();
  84                 debugnode(start);
  85         #endif
  86
  87         move = end - start;
  88         move_z = 0;
  89         org = start;
  90         dist = totaldist = vlen(move);
  91         dir = normalize(move);
  92         stepdist = 32;
  93         ignorehazards = FALSE;
  94
  95         // Analyze starting point
  96         traceline(start, start, MOVE_NORMAL, e);
  97         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
  98                 ignorehazards = TRUE;
  99         else
 100         {
 101                 traceline( start, start + '0 0 -65536', MOVE_NORMAL, e);
 102                 if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
 103                 {
 104                         ignorehazards = TRUE;
 105                         swimming = TRUE;
 106                 }
 107         }
 108         tracebox(start, m1, m2, start, MOVE_NOMONSTERS, e);
 109         if (trace_startsolid)
 110         {
 111                 // Bad start
 112                 #ifdef DEBUG_TRACEWALK
 113                         debugnodestatus(start, DEBUG_NODE_FAIL);
 114                 #endif
 115                 //print("tracewalk: ", vtos(start), " is a bad start\n");
 116                 return FALSE;
 117         }
 118
 119         // Movement loop
 120         yaw = vectoyaw(move);
 121         move = end - org;
 122         for (;;)
 123         {
 124                 if (boxesoverlap(end, end, org + m1 + '-1 -1 -1', org + m2 + '1 1 1'))
 125                 {
 126                         // Succeeded
 127                         #ifdef DEBUG_TRACEWALK
 128                                 debugnodestatus(org, DEBUG_NODE_SUCCESS);
 129                         #endif
 130                         //print("tracewalk: ", vtos(start), " can reach ", vtos(end), "\n");
 131                         return TRUE;
 132                 }
 133                 #ifdef DEBUG_TRACEWALK
 134                         debugnode(org);
 135                 #endif
 136
 137                 if (dist <= 0)
 138                         break;
 139                 if (stepdist > dist)
 140                         stepdist = dist;
 141                 dist = dist - stepdist;
 142                 traceline(org, org, MOVE_NORMAL, e);
 143                 if (!ignorehazards)
 144                 {
 145                         if (trace_dpstartcontents & (DPCONTENTS_SLIME | DPCONTENTS_LAVA))
 146                         {
 147                                 // hazards blocking path
 148                                 #ifdef DEBUG_TRACEWALK
 149                                         debugnodestatus(org, DEBUG_NODE_FAIL);
 150                                 #endif
 151                                 //print("tracewalk: ", vtos(start), " hits a hazard when trying to reach ", vtos(end), "\n");
 152                                 return FALSE;
 153                         }
 154                 }
 155                 if (trace_dpstartcontents & DPCONTENTS_LIQUIDSMASK)
 156                 {
 157                         move = normalize(end - org);
 158                         tracebox(org, m1, m2, org + move * stepdist, movemode, e);
 159
 160                         #ifdef DEBUG_TRACEWALK
 161                                 debugnode(trace_endpos);
 162                         #endif
 163
 164                         if (trace_fraction < 1)
 165                         {
 166                                 swimming = TRUE;
 167                                 org = trace_endpos - normalize(org - trace_endpos) * stepdist;
 168                                 for(; org_z < end_z + self.maxs_z; org_z += stepdist)
 169                                 {
 170                                                 #ifdef DEBUG_TRACEWALK
 171                                                         debugnode(org);
 172                                                 #endif
 173                                         if(pointcontents(org) == CONTENT_EMPTY)
 174                                                         break;
 175                                 }
 176
 177                                 if not (pointcontents(org + '0 0 1') == CONTENT_EMPTY)
 178                                 {
 179                                         #ifdef DEBUG_TRACEWALK
 180                                                 debugnodestatus(org, DEBUG_NODE_FAIL);
 181                                         #endif
 182                                         return FALSE;
 183                                         //print("tracewalk: ", vtos(start), " failed under water\n");
 184                                 }
 185                                 continue;
 186
 187                         }
 188                         else
 189                                 org = trace_endpos;
 190                 }
 191                 else
 192                 {
 193                         move = dir * stepdist + org;
 194                         tracebox(org, m1, m2, move, movemode, e);
 195
 196                         #ifdef DEBUG_TRACEWALK
 197                                 debugnode(trace_endpos);
 198                         #endif
 199
 200                         // hit something
 201                         if (trace_fraction < 1)
 202                         {
 203                                 // check if we can walk over this obstacle
 204                                 tracebox(org + stepheightvec, m1, m2, move + stepheightvec, movemode, e);
 205                                 if (trace_fraction < 1 || trace_startsolid)
 206                                 {
 207                                         #ifdef DEBUG_TRACEWALK
 208                                                 debugnodestatus(trace_endpos, DEBUG_NODE_WARNING);
 209                                         #endif
 210
 211                                         // check for doors
 212                                         traceline( org, move, movemode, e);
 213                                         if ( trace_ent.classname == "door_rotating" || trace_ent.classname == "door")
 214                                         {
 215                                                 local vector nextmove;
 216                                                 move = trace_endpos;
 217                                                 while(trace_ent.classname == "door_rotating" || trace_ent.classname == "door")
 218                                                 {
 219                                                         nextmove = move + (dir * stepdist);
 220                                                         traceline( move, nextmove, movemode, e);
 221                                                         move = nextmove;
 222                                                 }
 223                                         }
 224                                         else
 225                                         {
 226                                                 #ifdef DEBUG_TRACEWALK
 227                                                         debugnodestatus(trace_endpos, DEBUG_NODE_FAIL);
 228                                                 #endif
 229                                                 //print("tracewalk: ", vtos(start), " hit something when trying to reach ", vtos(end), "\n");
 230                                                 //te_explosion(trace_endpos);
 231                                                 //print(ftos(e.dphitcontentsmask), "\n");
 232                                                 return FALSE; // failed
 233                                         }
 234                                 }
 235                                 else
 236                                         move = trace_endpos;
 237                         }
 238                         else
 239                                 move = trace_endpos;
 240
 241                         // trace down from stepheight as far as possible and move there,
 242                         // if this starts in solid we try again without the stepup, and
 243                         // if that also fails we assume it is a wall
 244                         // (this is the same logic as the Quake walkmove function used)
 245                         tracebox(move, m1, m2, move + '0 0 -65536', movemode, e);
 246
 247                         // moved successfully
 248                         if(swimming)
 249                         {
 250                                 local float c;
 251                                 c = pointcontents(org + '0 0 1');
 252                                 if not(c == CONTENT_WATER || c == CONTENT_LAVA || c == CONTENT_SLIME)
 253                                         swimming = FALSE;
 254                                 else
 255                                         continue;
 256                         }
 257
 258                         org = trace_endpos;
 259                 }
 260         }
 261
 262         //print("tracewalk: ", vtos(start), " did not arrive at ", vtos(end), " but at ", vtos(org), "\n");
 263
 264         // moved but didn't arrive at the intended destination
 265         #ifdef DEBUG_TRACEWALK
 266                 debugnodestatus(org, DEBUG_NODE_FAIL);
 267         #endif
 268
 269         return FALSE;
 270 };
 271
 272
 273 // grenade tracing to decide the best pitch to fire at
 274
 275 entity tracetossent;
 276 entity tracetossfaketarget;
 277
 278 // traces multiple trajectories to find one that will impact the target
 279 // 'end' vector is the place it aims for,
 280 // returns TRUE only if it hit targ (don't target non-solid entities)
 281 vector findtrajectory_velocity;
 282 float findtrajectorywithleading(vector org, vector m1, vector m2, entity targ, float shotspeed, float shotspeedupward, float maxtime, float shotdelay, entity ignore)
 283 {
 284         local float c, savesolid, shottime;
 285         local vector dir, end, v;
 286         if (shotspeed < 1)
 287                 return FALSE; // could cause division by zero if calculated
 288         if (targ.solid < SOLID_BBOX) // SOLID_NOT and SOLID_TRIGGER
 289                 return FALSE; // could never hit it
 290         if (!tracetossent)
 291                 tracetossent = spawn();
 292         tracetossent.owner = ignore;
 293         setsize(tracetossent, m1, m2);
 294         savesolid = targ.solid;
 295         targ.solid = SOLID_NOT;
 296         shottime = ((vlen(targ.origin - org) / shotspeed) + shotdelay);
 297         v = targ.velocity * shottime + targ.origin;
 298         tracebox(targ.origin, targ.mins, targ.maxs, v, FALSE, targ);
 299         v = trace_endpos;
 300         end = v + (targ.mins + targ.maxs) * 0.5;
 301         if ((vlen(end - org) / shotspeed + 0.2) > maxtime)
 302         {
 303                 // out of range
 304                 targ.solid = savesolid;
 305                 return FALSE;
 306         }
 307
 308         if (!tracetossfaketarget)
 309                 tracetossfaketarget = spawn();
 310         tracetossfaketarget.solid = savesolid;
 311         tracetossfaketarget.movetype = targ.movetype;
 312         setmodel(tracetossfaketarget, targ.model); // no low precision
 313         tracetossfaketarget.model = targ.model;
 314         tracetossfaketarget.modelindex = targ.modelindex;
 315         setsize(tracetossfaketarget, targ.mins, targ.maxs);
 316         setorigin(tracetossfaketarget, v);
 317
 318         c = 0;
 319         dir = normalize(end - org);
 320         while (c < 10) // 10 traces
 321         {
 322                 setorigin(tracetossent, org); // reset
 323                 tracetossent.velocity = findtrajectory_velocity = normalize(dir) * shotspeed + shotspeedupward * '0 0 1';
 324                 tracetoss(tracetossent, ignore); // love builtin functions...
 325                 if (trace_ent == tracetossfaketarget) // done
 326                 {
 327                         targ.solid = savesolid;
 328
 329                         // make it disappear
 330                         tracetossfaketarget.solid = SOLID_NOT;
 331                         tracetossfaketarget.movetype = MOVETYPE_NONE;
 332                         tracetossfaketarget.model = "";
 333                         tracetossfaketarget.modelindex = 0;
 334                         // relink to remove it from physics considerations
 335                         setorigin(tracetossfaketarget, v);
 336
 337                         return TRUE;
 338                 }
 339                 dir_z = dir_z + 0.1; // aim up a little more
 340                 c = c + 1;
 341         }
 342         targ.solid = savesolid;
 343
 344         // make it disappear
 345         tracetossfaketarget.solid = SOLID_NOT;
 346         tracetossfaketarget.movetype = MOVETYPE_NONE;
 347         tracetossfaketarget.model = "";
 348         tracetossfaketarget.modelindex = 0;
 349         // relink to remove it from physics considerations
 350         setorigin(tracetossfaketarget, v);
 351
 352         // leave a valid one even if it won't reach
 353         findtrajectory_velocity = normalize(end - org) * shotspeed + shotspeedupward * '0 0 1';
 354         return FALSE;
 355 };
 356
 357
 358
 359 // lag simulation
 360
 361 .void(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4) lag_func;
 362
 363 // upto 5 queued messages
 364 .float lag1_time;
 365 .float lag1_float1;
 366 .float lag1_float2;
 367 .entity lag1_entity1;
 368 .vector lag1_vec1;
 369 .vector lag1_vec2;
 370 .vector lag1_vec3;
 371 .vector lag1_vec4;
 372
 373 .float lag2_time;
 374 .float lag2_float1;
 375 .float lag2_float2;
 376 .entity lag2_entity1;
 377 .vector lag2_vec1;
 378 .vector lag2_vec2;
 379 .vector lag2_vec3;
 380 .vector lag2_vec4;
 381
 382 .float lag3_time;
 383 .float lag3_float1;
 384 .float lag3_float2;
 385 .entity lag3_entity1;
 386 .vector lag3_vec1;
 387 .vector lag3_vec2;
 388 .vector lag3_vec3;
 389 .vector lag3_vec4;
 390
 391 .float lag4_time;
 392 .float lag4_float1;
 393 .float lag4_float2;
 394 .entity lag4_entity1;
 395 .vector lag4_vec1;
 396 .vector lag4_vec2;
 397 .vector lag4_vec3;
 398 .vector lag4_vec4;
 399
 400 .float lag5_time;
 401 .float lag5_float1;
 402 .float lag5_float2;
 403 .entity lag5_entity1;
 404 .vector lag5_vec1;
 405 .vector lag5_vec2;
 406 .vector lag5_vec3;
 407 .vector lag5_vec4;
 408
 409 void lag_update()
 410 {
 411         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;}
 412         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;}
 413         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;}
 414         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;}
 415         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;}
 416 };
 417
 418 float lag_additem(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
 419 {
 420         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;}
 421         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;}
 422         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;}
 423         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;}
 424         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;}
 425         // no room for it (what is the best thing to do here??)
 426         return FALSE;
 427 };
 428
 429
 430 // Random skill system
 431 .float bot_thinkskill;
 432 .float bot_mouseskill;
 433 .float bot_predictionskill;
 434 .float bot_offsetskill;
 435
 436
 437 // spawnfunc_waypoint navigation system
 438
 439 // itemscore = (howmuchmoreIwant / howmuchIcanwant) / itemdistance
 440 // waypointscore = 0.7 / waypointdistance
 441
 442 .entity wp00, wp01, wp02, wp03, wp04, wp05, wp06, wp07;
 443 .entity wp08, wp09, wp10, wp11, wp12, wp13, wp14, wp15;
 444 .entity wp16, wp17, wp18, wp19, wp20, wp21, wp22, wp23, wp24, wp25, wp26, wp27, wp28, wp29, wp30, wp31;
 445 .float wp00mincost, wp01mincost, wp02mincost, wp03mincost, wp04mincost, wp05mincost, wp06mincost, wp07mincost;
 446 .float wp08mincost, wp09mincost, wp10mincost, wp11mincost, wp12mincost, wp13mincost, wp14mincost, wp15mincost;
 447 .float wp16mincost, wp17mincost, wp18mincost, wp19mincost, wp20mincost, wp21mincost, wp22mincost, wp23mincost, wp24mincost, wp25mincost, wp26mincost, wp27mincost, wp28mincost, wp29mincost, wp30mincost, wp31mincost;
 448 .float wpfire, wpcost, wpconsidered;
 449 .float wpisbox;
 450 .float wpflags;
 451 .vector wpnearestpoint;
 452 .float wplinked;
 453
 454 // stack of current goals (the last one of which may be an item or other
 455 // desirable object, the rest are typically waypoints to reach it)
 456 .entity goalcurrent, goalstack01, goalstack02, goalstack03;
 457 .entity goalstack04, goalstack05, goalstack06, goalstack07;
 458 .entity goalstack08, goalstack09, goalstack10, goalstack11;
 459 .entity goalstack12, goalstack13, goalstack14, goalstack15;
 460 .entity goalstack16, goalstack17, goalstack18, goalstack19;
 461 .entity goalstack20, goalstack21, goalstack22, goalstack23;
 462 .entity goalstack24, goalstack25, goalstack26, goalstack27;
 463 .entity goalstack28, goalstack29, goalstack30, goalstack31;
 464
 465 .entity nearestwaypoint;
 466 .float nearestwaypointtimeout;
 467
 468 // used during navigation_goalrating_begin/end sessions
 469 #define MAX_BESTGOALS 3
 470 float bestgoalswindex;
 471 float bestgoalsrindex;
 472 float navigation_bestrating;
 473 entity navigation_bestgoals[MAX_BESTGOALS];
 474 .float navigation_hasgoals;
 475
 476 /////////////////////////////////////////////////////////////////////////////
 477 // spawnfunc_waypoint management
 478 /////////////////////////////////////////////////////////////////////////////
 479
 480 // waypoints with this flag are not saved, they are automatically generated
 481 // waypoints like jump pads, teleporters, and items
 482 float WAYPOINTFLAG_GENERATED = 8388608;
 483 float WAYPOINTFLAG_ITEM = 4194304;
 484 float WAYPOINTFLAG_TELEPORT = 2097152;
 485 float WAYPOINTFLAG_NORELINK = 1048576;
 486 float WAYPOINTFLAG_PERSONAL = 524288;
 487
 488 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
 489 void waypoint_addlink(entity from, entity to)
 490 {
 491         local float c;
 492
 493         if (from == to)
 494                 return;
 495         if (from.wpflags & WAYPOINTFLAG_NORELINK)
 496                 return;
 497
 498         if (from.wp00 == to) return;if (from.wp01 == to) return;if (from.wp02 == to) return;if (from.wp03 == to) return;
 499         if (from.wp04 == to) return;if (from.wp05 == to) return;if (from.wp06 == to) return;if (from.wp07 == to) return;
 500         if (from.wp08 == to) return;if (from.wp09 == to) return;if (from.wp10 == to) return;if (from.wp11 == to) return;
 501         if (from.wp12 == to) return;if (from.wp13 == to) return;if (from.wp14 == to) return;if (from.wp15 == to) return;
 502         if (from.wp16 == to) return;if (from.wp17 == to) return;if (from.wp18 == to) return;if (from.wp19 == to) return;
 503         if (from.wp20 == to) return;if (from.wp21 == to) return;if (from.wp22 == to) return;if (from.wp23 == to) return;
 504         if (from.wp24 == to) return;if (from.wp25 == to) return;if (from.wp26 == to) return;if (from.wp27 == to) return;
 505         if (from.wp28 == to) return;if (from.wp29 == to) return;if (from.wp30 == to) return;if (from.wp31 == to) return;
 506
 507         if (to.wpisbox || from.wpisbox)
 508         {
 509                 // if either is a box we have to find the nearest points on them to
 510                 // calculate the distance properly
 511                 local vector v1, v2, m1, m2;
 512                 v1 = from.origin;
 513                 m1 = to.absmin;
 514                 m2 = to.absmax;
 515                 v1_x = bound(m1_x, v1_x, m2_x);
 516                 v1_y = bound(m1_y, v1_y, m2_y);
 517                 v1_z = bound(m1_z, v1_z, m2_z);
 518                 v2 = to.origin;
 519                 m1 = from.absmin;
 520                 m2 = from.absmax;
 521                 v2_x = bound(m1_x, v2_x, m2_x);
 522                 v2_y = bound(m1_y, v2_y, m2_y);
 523                 v2_z = bound(m1_z, v2_z, m2_z);
 524                 v2 = to.origin;
 525                 c = vlen(v2 - v1);
 526         }
 527         else
 528                 c = vlen(to.origin - from.origin);
 529
 530         if (from.wp31mincost < c) return;
 531         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
 532         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
 533         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
 534         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
 535         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
 536         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
 537         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
 538         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
 539         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
 540         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
 541         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
 542         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
 543         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
 544         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
 545         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
 546         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
 547         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
 548         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
 549         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
 550         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
 551         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
 552         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
 553         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
 554         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
 555         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
 556         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
 557         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
 558         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
 559         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
 560         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
 561         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
 562         from.wp00 = to;from.wp00mincost = c;return;
 563 };
 564
 565 // fields you can query using prvm_global server to get some statistics about waypoint linking culling
 566 float relink_total, relink_walkculled, relink_pvsculled, relink_lengthculled;
 567
 568 // relink this spawnfunc_waypoint
 569 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
 570 // (SLOW!)
 571 void waypoint_think()
 572 {
 573         local entity e;
 574         local vector sv, sm1, sm2, ev, em1, em2, dv;
 575
 576         stepheightvec = cvar("sv_stepheight") * '0 0 1';
 577
 578         //dprint("waypoint_think wpisbox = ", ftos(self.wpisbox), "\n");
 579         sm1 = self.origin + self.mins;
 580         sm2 = self.origin + self.maxs;
 581         for(e = world; (e = find(e, classname, "waypoint")); )
 582         {
 583                 if (boxesoverlap(self.absmin, self.absmax, e.absmin, e.absmax))
 584                 {
 585                         waypoint_addlink(self, e);
 586                         waypoint_addlink(e, self);
 587                 }
 588                 else
 589                 {
 590                         ++relink_total;
 591                         if(!checkpvs(self.origin, e))
 592                         {
 593                                 ++relink_pvsculled;
 594                                 continue;
 595                         }
 596                         sv = e.origin;
 597                         sv_x = bound(sm1_x, sv_x, sm2_x);
 598                         sv_y = bound(sm1_y, sv_y, sm2_y);
 599                         sv_z = bound(sm1_z, sv_z, sm2_z);
 600                         ev = self.origin;
 601                         em1 = e.origin + e.mins;
 602                         em2 = e.origin + e.maxs;
 603                         ev_x = bound(em1_x, ev_x, em2_x);
 604                         ev_y = bound(em1_y, ev_y, em2_y);
 605                         ev_z = bound(em1_z, ev_z, em2_z);
 606                         dv = ev - sv;
 607                         dv_z = 0;
 608                         if (vlen(dv) >= 1050) // max search distance in XY
 609                         {
 610                                 ++relink_lengthculled;
 611                                 continue;
 612                         }
 613                         navigation_testtracewalk = 0;
 614                         if (!self.wpisbox)
 615                         {
 616                                 tracebox(sv - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, sv, FALSE, self);
 617                                 if (!trace_startsolid)
 618                                 {
 619                                         //dprint("sv deviation", vtos(trace_endpos - sv), "\n");
 620                                         sv = trace_endpos + '0 0 1';
 621                                 }
 622                         }
 623                         if (!e.wpisbox)
 624                         {
 625                                 tracebox(ev - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, ev, FALSE, e);
 626                                 if (!trace_startsolid)
 627                                 {
 628                                         //dprint("ev deviation", vtos(trace_endpos - ev), "\n");
 629                                         ev = trace_endpos + '0 0 1';
 630                                 }
 631                         }
 632                         //traceline(self.origin, e.origin, FALSE, world);
 633                         //if (trace_fraction == 1)
 634                         if (!self.wpisbox && tracewalk(self, sv, PL_MIN, PL_MAX, ev, MOVE_NOMONSTERS))
 635                                 waypoint_addlink(self, e);
 636                         else
 637                                 relink_walkculled += 0.5;
 638                         if (!e.wpisbox && tracewalk(e, ev, PL_MIN, PL_MAX, sv, MOVE_NOMONSTERS))
 639                                 waypoint_addlink(e, self);
 640                         else
 641                                 relink_walkculled += 0.5;
 642                 }
 643         }
 644         navigation_testtracewalk = 0;
 645         self.wplinked = TRUE;
 646 };
 647
 648 void waypoint_clearlinks(entity wp)
 649 {
 650         // clear links to other waypoints
 651         local float f;
 652         f = 10000000;
 653         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;
 654         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;
 655         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;
 656         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;
 657         wp.wplinked = FALSE;
 658 };
 659
 660 // tell a spawnfunc_waypoint to relink
 661 void waypoint_schedulerelink(entity wp)
 662 {
 663         if (wp == world)
 664                 return;
 665         // TODO: add some sort of visible box in edit mode for box waypoints
 666         if (cvar("g_waypointeditor"))
 667         {
 668                 local vector m1, m2;
 669                 m1 = wp.mins;
 670                 m2 = wp.maxs;
 671                 setmodel(wp, "models/runematch/rune.mdl"); wp.effects = EF_LOWPRECISION;
 672                 setsize(wp, m1, m2);
 673                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 674                         wp.colormod = '1 0 0';
 675                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 676                         wp.colormod = '1 1 0';
 677                 else
 678                         wp.colormod = '1 1 1';
 679         }
 680         else
 681                 wp.model = "";
 682         wp.wpisbox = vlen(wp.size) > 0;
 683         wp.enemy = world;
 684         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
 685                 wp.owner = world;
 686         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
 687                 waypoint_clearlinks(wp);
 688         // schedule an actual relink on next frame
 689         wp.think = waypoint_think;
 690         wp.nextthink = time;
 691         wp.effects = EF_LOWPRECISION;
 692 }
 693
 694 // create a new spawnfunc_waypoint and automatically link it to other waypoints, and link
 695 // them back to it as well
 696 // (suitable for spawnfunc_waypoint editor)
 697 entity waypoint_spawn(vector m1, vector m2, float f)
 698 {
 699         local entity w;
 700         local vector org;
 701         w = find(world, classname, "waypoint");
 702
 703         if not(f & WAYPOINTFLAG_PERSONAL)
 704         while (w)
 705         {
 706                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
 707                 if (boxesoverlap(m1, m2, w.absmin, w.absmax))
 708                         return w;
 709                 w = find(w, classname, "waypoint");
 710         }
 711
 712         w = spawn();
 713         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP;
 714         w.classname = "waypoint";
 715         w.wpflags = f;
 716         setorigin(w, (m1 + m2) * 0.5);
 717         setsize(w, m1 - w.origin, m2 - w.origin);
 718         if (vlen(w.size) > 0)
 719                 w.wpisbox = TRUE;
 720
 721         if(!(f & WAYPOINTFLAG_GENERATED))
 722         if(!w.wpisbox)
 723         {
 724                 traceline(w.origin + '0 0 1', w.origin + PL_MIN_z * '0 0 1' - '0 0 1', MOVE_NOMONSTERS, w);
 725                 if (trace_fraction < 1)
 726                         setorigin(w, trace_endpos - PL_MIN_z * '0 0 1');
 727
 728                 // check if the start position is stuck
 729                 tracebox(w.origin, PL_MIN + '-1 -1 -1', PL_MAX + '1 1 1', w.origin, MOVE_NOMONSTERS, w);
 730                 if (trace_startsolid)
 731                 {
 732                         org = w.origin + '0 0 26';
 733                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 734                         if(trace_startsolid)
 735                         {
 736                                 org = w.origin + '2 2 2';
 737                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 738                                 if(trace_startsolid)
 739                                 {
 740                                         org = w.origin + '-2 -2 2';
 741                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 742                                         if(trace_startsolid)
 743                                         {
 744                                                 org = w.origin + '-2 2 2';
 745                                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 746                                                 if(trace_startsolid)
 747                                                 {
 748                                                         org = w.origin + '2 -2 2';
 749                                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 750                                                         if(trace_startsolid)
 751                                                         {
 752                                                                 // this WP is in solid, refuse it
 753                                                                 dprint("Killed a waypoint that was stuck in solid at ", vtos(org), "\n");
 754                                                                 remove(w);
 755                                                                 return world;
 756                                                         }
 757                                                 }
 758                                         }
 759                                 }
 760                         }
 761                         setorigin(w, org * 0.05 + trace_endpos * 0.95); // don't trust the trace fully
 762                 }
 763
 764                 tracebox(w.origin, PL_MIN, PL_MAX, w.origin - '0 0 128', MOVE_WORLDONLY, w);
 765                 if(trace_startsolid)
 766                 {
 767                         dprint("Killed a waypoint that was stuck in solid ", vtos(w.origin), "\n");
 768                         remove(w);
 769                         return world;
 770                 }
 771                 if (!trace_inwater)
 772                 {
 773                         if(trace_fraction == 1)
 774                         {
 775                                 dprint("Killed a waypoint that was stuck in air at ", vtos(w.origin), "\n");
 776                                 remove(w);
 777                                 return world;
 778                         }
 779                         trace_endpos_z += 0.1; // don't trust the trace fully
 780 //                      dprint("Moved waypoint at ", vtos(w.origin), " by ", ftos(vlen(w.origin - trace_endpos)));
 781 //                      dprint(" direction: ", vtos((trace_endpos - w.origin)), "\n");
 782                         setorigin(w, trace_endpos);
 783                 }
 784         }
 785
 786         waypoint_clearlinks(w);
 787         //waypoint_schedulerelink(w);
 788
 789         if (cvar("g_waypointeditor"))
 790         {
 791                 m1 = w.mins;
 792                 m2 = w.maxs;
 793                 setmodel(w, "models/runematch/rune.mdl"); w.effects = EF_LOWPRECISION;
 794                 setsize(w, m1, m2);
 795                 if (w.wpflags & WAYPOINTFLAG_ITEM)
 796                         w.colormod = '1 0 0';
 797                 else if (w.wpflags & WAYPOINTFLAG_GENERATED)
 798                         w.colormod = '1 1 0';
 799                 else
 800                         w.colormod = '1 1 1';
 801         }
 802         else
 803                 w.model = "";
 804
 805         return w;
 806 };
 807
 808 // spawnfunc_waypoint map entity
 809 void spawnfunc_waypoint()
 810 {
 811         setorigin(self, self.origin);
 812         // schedule a relink after other waypoints have had a chance to spawn
 813         waypoint_clearlinks(self);
 814         //waypoint_schedulerelink(self);
 815 };
 816
 817 // remove a spawnfunc_waypoint, and schedule all neighbors to relink
 818 void waypoint_remove(entity e)
 819 {
 820         // tell all linked waypoints that they need to relink
 821         waypoint_schedulerelink(e.wp00);
 822         waypoint_schedulerelink(e.wp01);
 823         waypoint_schedulerelink(e.wp02);
 824         waypoint_schedulerelink(e.wp03);
 825         waypoint_schedulerelink(e.wp04);
 826         waypoint_schedulerelink(e.wp05);
 827         waypoint_schedulerelink(e.wp06);
 828         waypoint_schedulerelink(e.wp07);
 829         waypoint_schedulerelink(e.wp08);
 830         waypoint_schedulerelink(e.wp09);
 831         waypoint_schedulerelink(e.wp10);
 832         waypoint_schedulerelink(e.wp11);
 833         waypoint_schedulerelink(e.wp12);
 834         waypoint_schedulerelink(e.wp13);
 835         waypoint_schedulerelink(e.wp14);
 836         waypoint_schedulerelink(e.wp15);
 837         waypoint_schedulerelink(e.wp16);
 838         waypoint_schedulerelink(e.wp17);
 839         waypoint_schedulerelink(e.wp18);
 840         waypoint_schedulerelink(e.wp19);
 841         waypoint_schedulerelink(e.wp20);
 842         waypoint_schedulerelink(e.wp21);
 843         waypoint_schedulerelink(e.wp22);
 844         waypoint_schedulerelink(e.wp23);
 845         waypoint_schedulerelink(e.wp24);
 846         waypoint_schedulerelink(e.wp25);
 847         waypoint_schedulerelink(e.wp26);
 848         waypoint_schedulerelink(e.wp27);
 849         waypoint_schedulerelink(e.wp28);
 850         waypoint_schedulerelink(e.wp29);
 851         waypoint_schedulerelink(e.wp30);
 852         waypoint_schedulerelink(e.wp31);
 853         // and now remove the spawnfunc_waypoint
 854         remove(e);
 855 };
 856
 857 // empties the map of waypoints
 858 void waypoint_removeall()
 859 {
 860         local entity head, next;
 861         head = findchain(classname, "waypoint");
 862         while (head)
 863         {
 864                 next = head.chain;
 865                 remove(head);
 866                 head = next;
 867         }
 868 };
 869
 870 // tell all waypoints to relink
 871 // (is this useful at all?)
 872 void waypoint_schedulerelinkall()
 873 {
 874         local entity head;
 875         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
 876         head = findchain(classname, "waypoint");
 877         while (head)
 878         {
 879                 waypoint_schedulerelink(head);
 880                 head = head.chain;
 881         }
 882 };
 883
 884 // Load waypoint links from file
 885 float botframe_cachedwaypointlinks;
 886 float waypoint_load_links()
 887 {
 888         local string filename, s;
 889         local float file, tokens, c, found;
 890         local entity wp_from, wp_to;
 891         local vector wp_to_pos, wp_from_pos;
 892         filename = strcat("maps/", mapname);
 893         filename = strcat(filename, ".waypoints.cache");
 894         file = fopen(filename, FILE_READ);
 895
 896         if (file < 0)
 897         {
 898                 dprint("waypoint links load from ");
 899                 dprint(filename);
 900                 dprint(" failed\n");
 901                 return FALSE;
 902         }
 903
 904         while (1)
 905         {
 906                 s = fgets(file);
 907                 if (!s)
 908                         break;
 909
 910                 tokens = tokenizebyseparator(s, "*");
 911
 912                 if (tokens!=2)
 913                 {
 914                         // bad file format
 915                         fclose(file);
 916                         return FALSE;
 917                 }
 918
 919                 wp_from_pos     = stov(argv(0));
 920                 wp_to_pos       = stov(argv(1));
 921
 922                 // Search "from" waypoint
 923                 if(wp_from.origin!=wp_from_pos)
 924                 {
 925                         wp_from = findradius(wp_from_pos, 1);
 926                         found = FALSE;
 927                         while(wp_from)
 928                         {
 929                                 if(vlen(wp_from.origin-wp_from_pos)<1)
 930                                 if(wp_from.classname == "waypoint")
 931                                 {
 932                                         found = TRUE;
 933                                         break;
 934                                 }
 935                                 wp_from = wp_from.chain;
 936                         }
 937
 938                         if(!found)
 939                         {
 940                                 // can't find that waypoint
 941                                 fclose(file);
 942                                 return FALSE;
 943                         }
 944                 }
 945
 946                 // Search "to" waypoint
 947                 wp_to = findradius(wp_to_pos, 1);
 948                 found = FALSE;
 949                 while(wp_to)
 950                 {
 951                         if(vlen(wp_to.origin-wp_to_pos)<1)
 952                         if(wp_to.classname == "waypoint")
 953                         {
 954                                 found = TRUE;
 955                                 break;
 956                         }
 957                         wp_to = wp_to.chain;
 958                 }
 959
 960                 if(!found)
 961                 {
 962                         // can't find that waypoint
 963                         fclose(file);
 964                         return FALSE;
 965                 }
 966
 967                 ++c;
 968                 waypoint_addlink(wp_from, wp_to);
 969         }
 970
 971         fclose(file);
 972
 973         dprint("loaded ");
 974         dprint(ftos(c));
 975         dprint(" waypoint links from maps/");
 976         dprint(mapname);
 977         dprint(".waypoints.cache\n");
 978
 979         botframe_cachedwaypointlinks = TRUE;
 980         return TRUE;
 981 };
 982
 983 float botframe_loadedforcedlinks;
 984 void waypoint_load_links_hardwired()
 985 {
 986         local string filename, s;
 987         local float file, tokens, c, found;
 988         local entity wp_from, wp_to;
 989         local vector wp_to_pos, wp_from_pos;
 990         filename = strcat("maps/", mapname);
 991         filename = strcat(filename, ".waypoints.hardwired");
 992         file = fopen(filename, FILE_READ);
 993
 994         botframe_loadedforcedlinks = TRUE;
 995
 996         if (file < 0)
 997         {
 998                 dprint("waypoint links load from ");
 999                 dprint(filename);
1000                 dprint(" failed\n");
1001                 return;
1002         }
1003
1004         for (;;)
1005         {
1006                 s = fgets(file);
1007                 if (!s)
1008                         break;
1009
1010                 if(substring(s, 0, 2)=="//")
1011                         continue;
1012
1013                 if(substring(s, 0, 1)=="#")
1014                         continue;
1015
1016                 tokens = tokenizebyseparator(s, "*");
1017
1018                 if (tokens!=2)
1019                         continue;
1020
1021                 wp_from_pos     = stov(argv(0));
1022                 wp_to_pos       = stov(argv(1));
1023
1024                 // Search "from" waypoint
1025                 if(wp_from.origin!=wp_from_pos)
1026                 {
1027                         wp_from = findradius(wp_from_pos, 1);
1028                         found = FALSE;
1029                         while(wp_from)
1030                         {
1031                                 if(vlen(wp_from.origin-wp_from_pos)<1)
1032                                 if(wp_from.classname == "waypoint")
1033                                 {
1034                                         found = TRUE;
1035                                         break;
1036                                 }
1037                                 wp_from = wp_from.chain;
1038                         }
1039
1040                         if(!found)
1041                         {
1042                                 print(strcat("NOTICE: Can not find waypoint at ", vtos(wp_from_pos), ". Path skipped\n"));
1043                                 continue;
1044                         }
1045                 }
1046
1047                 // Search "to" waypoint
1048                 wp_to = findradius(wp_to_pos, 1);
1049                 found = FALSE;
1050                 while(wp_to)
1051                 {
1052                         if(vlen(wp_to.origin-wp_to_pos)<1)
1053                         if(wp_to.classname == "waypoint")
1054                         {
1055                                 found = TRUE;
1056                                 break;
1057                         }
1058                         wp_to = wp_to.chain;
1059                 }
1060
1061                 if(!found)
1062                 {
1063                         print(strcat("NOTICE: Can not find waypoint at ", vtos(wp_to_pos), ". Path skipped\n"));
1064                         continue;
1065                 }
1066
1067                 ++c;
1068                 waypoint_addlink(wp_from, wp_to);
1069         }
1070
1071         fclose(file);
1072
1073         dprint("loaded ");
1074         dprint(ftos(c));
1075         dprint(" waypoint links from maps/");
1076         dprint(mapname);
1077         dprint(".waypoints.hardwired\n");
1078 };
1079
1080
1081 // Save all waypoint links to a file
1082 void waypoint_save_links()
1083 {
1084         local string filename, s;
1085         local float file, c, i;
1086         local entity w, link;
1087         filename = strcat("maps/", mapname);
1088         filename = strcat(filename, ".waypoints.cache");
1089         file = fopen(filename, FILE_WRITE);
1090         if (file < 0)
1091         {
1092                 print("waypoint links save to ");
1093                 print(filename);
1094                 print(" failed\n");
1095         }
1096         c = 0;
1097         w = findchain(classname, "waypoint");
1098         while (w)
1099         {
1100                 for(i=0;i<32;++i)
1101                 {
1102                         // :S
1103                         switch(i)
1104                         {
1105                                 //      for i in $(seq -w 0 31); do echo "case $i:link = w.wp$i; break;"; done;
1106                                 case 00:link = w.wp00; break;
1107                                 case 01:link = w.wp01; break;
1108                                 case 02:link = w.wp02; break;
1109                                 case 03:link = w.wp03; break;
1110                                 case 04:link = w.wp04; break;
1111                                 case 05:link = w.wp05; break;
1112                                 case 06:link = w.wp06; break;
1113                                 case 07:link = w.wp07; break;
1114                                 case 08:link = w.wp08; break;
1115                                 case 09:link = w.wp09; break;
1116                                 case 10:link = w.wp10; break;
1117                                 case 11:link = w.wp11; break;
1118                                 case 12:link = w.wp12; break;
1119                                 case 13:link = w.wp13; break;
1120                                 case 14:link = w.wp14; break;
1121                                 case 15:link = w.wp15; break;
1122                                 case 16:link = w.wp16; break;
1123                                 case 17:link = w.wp17; break;
1124                                 case 18:link = w.wp18; break;
1125                                 case 19:link = w.wp19; break;
1126                                 case 20:link = w.wp20; break;
1127                                 case 21:link = w.wp21; break;
1128                                 case 22:link = w.wp22; break;
1129                                 case 23:link = w.wp23; break;
1130                                 case 24:link = w.wp24; break;
1131                                 case 25:link = w.wp25; break;
1132                                 case 26:link = w.wp26; break;
1133                                 case 27:link = w.wp27; break;
1134                                 case 28:link = w.wp28; break;
1135                                 case 29:link = w.wp29; break;
1136                                 case 30:link = w.wp30; break;
1137                                 case 31:link = w.wp31; break;
1138                         }
1139
1140                         if(link==world)
1141                                 continue;
1142
1143                         s = strcat(vtos(w.origin), "*", vtos(link.origin), "\n");
1144                         fputs(file, s);
1145                         ++c;
1146                 }
1147                 w = w.chain;
1148         }
1149         fclose(file);
1150         botframe_cachedwaypointlinks = TRUE;
1151
1152         print("saved ");
1153         print(ftos(c));
1154         print(" waypoints links to maps/");
1155         print(mapname);
1156         print(".waypoints.cache\n");
1157 };
1158
1159 // save waypoints to gamedir/data/maps/mapname.waypoints
1160 void waypoint_saveall()
1161 {
1162         local string filename, s;
1163         local float file, c;
1164         local entity w;
1165         filename = strcat("maps/", mapname);
1166         filename = strcat(filename, ".waypoints");
1167         file = fopen(filename, FILE_WRITE);
1168         if (file >= 0)
1169         {
1170                 c = 0;
1171                 w = findchain(classname, "waypoint");
1172                 while (w)
1173                 {
1174                         if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
1175                         {
1176                                 s = strcat(vtos(w.origin + w.mins), "\n");
1177                                 s = strcat(s, vtos(w.origin + w.maxs));
1178                                 s = strcat(s, "\n");
1179                                 s = strcat(s, ftos(w.wpflags));
1180                                 s = strcat(s, "\n");
1181                                 fputs(file, s);
1182                                 c = c + 1;
1183                         }
1184                         w = w.chain;
1185                 }
1186                 fclose(file);
1187                 bprint("saved ");
1188                 bprint(ftos(c));
1189                 bprint(" waypoints to maps/");
1190                 bprint(mapname);
1191                 bprint(".waypoints\n");
1192         }
1193         else
1194         {
1195                 bprint("waypoint save to ");
1196                 bprint(filename);
1197                 bprint(" failed\n");
1198         }
1199         waypoint_save_links();
1200         botframe_loadedforcedlinks = FALSE;
1201 };
1202
1203 // load waypoints from file
1204 float waypoint_loadall()
1205 {
1206         local string filename, s;
1207         local float file, cwp, cwb, fl;
1208         local vector m1, m2;
1209         cwp = 0;
1210         cwb = 0;
1211         filename = strcat("maps/", mapname);
1212         filename = strcat(filename, ".waypoints");
1213         file = fopen(filename, FILE_READ);
1214         if (file >= 0)
1215         {
1216                 while (1)
1217                 {
1218                         s = fgets(file);
1219                         if (!s)
1220                                 break;
1221                         m1 = stov(s);
1222                         s = fgets(file);
1223                         if (!s)
1224                                 break;
1225                         m2 = stov(s);
1226                         s = fgets(file);
1227                         if (!s)
1228                                 break;
1229                         fl = stof(s);
1230                         waypoint_spawn(m1, m2, fl);
1231                         if (m1 == m2)
1232                                 cwp = cwp + 1;
1233                         else
1234                                 cwb = cwb + 1;
1235                 }
1236                 fclose(file);
1237                 dprint("loaded ");
1238                 dprint(ftos(cwp));
1239                 dprint(" waypoints and ");
1240                 dprint(ftos(cwb));
1241                 dprint(" wayboxes from maps/");
1242                 dprint(mapname);
1243                 dprint(".waypoints\n");
1244         }
1245         else
1246         {
1247                 dprint("waypoint load from ");
1248                 dprint(filename);
1249                 dprint(" failed\n");
1250         }
1251         return cwp + cwb;
1252 };
1253
1254 void waypoint_spawnforitem(entity e)
1255 {
1256         local entity w;
1257         local vector org;
1258
1259         if(!bot_waypoints_for_items)
1260                 return;
1261
1262         // Center of entity
1263         org = (e.absmax + e.absmin) * 0.5;
1264
1265         // Fix the waypoint altitude if necessary
1266         traceline(org, org + '0 0 -65535', TRUE, e);
1267         if(
1268                 org_z - trace_endpos_z > PL_MAX_z - PL_MIN_z + 10 // If middle of entiy is above player heigth
1269                 || org_z - trace_endpos_z < (PL_MAX_z - PL_MIN_z) * 0.5 // or below half player height
1270         )
1271                 org_z = trace_endpos_z + PL_MAX_z - PL_MIN_z;
1272
1273         // TODO: Cleaner solution
1274         if(e.classname!="item_flag_team")
1275                 e.nearestwaypointtimeout = time + 1000000000;
1276
1277         // don't spawn an item spawnfunc_waypoint if it already exists
1278         w = findchain(classname, "waypoint");
1279         while (w)
1280         {
1281                 if (w.wpisbox)
1282                 {
1283                         if (boxesoverlap(org, org, w.absmin, w.absmax))
1284                         {
1285                                 e.nearestwaypoint = w;
1286                                 return;
1287                         }
1288                 }
1289                 else
1290                 {
1291                         if (vlen(w.origin - org) < 16)
1292                         {
1293                                 e.nearestwaypoint = w;
1294                                 return;
1295                         }
1296                 }
1297                 w = w.chain;
1298         }
1299         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1300 };
1301
1302 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken)
1303 {
1304         local entity w;
1305         local entity dw;
1306         w = waypoint_spawn(e.absmin, e.absmax, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
1307         dw = waypoint_spawn(destination, destination, WAYPOINTFLAG_GENERATED);
1308         // one way link to the destination
1309         w.wp00 = dw;
1310         w.wp00mincost = timetaken; // this is just for jump pads
1311         // the teleporter's nearest spawnfunc_waypoint is this one
1312         // (teleporters are not goals, so this is probably useless)
1313         e.nearestwaypoint = w;
1314         e.nearestwaypointtimeout = time + 1000000000;
1315 };
1316
1317 entity waypoint_spawnpersonal(vector position)
1318 {
1319         entity w;
1320
1321         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
1322         w.nearestwaypoint = world;
1323         w.nearestwaypointtimeout = 0;
1324         w.owner = self;
1325
1326         waypoint_schedulerelink(w);
1327
1328         return w;
1329 };
1330
1331 /////////////////////////////////////////////////////////////////////////////
1332 // goal stack
1333 /////////////////////////////////////////////////////////////////////////////
1334
1335 // completely empty the goal stack, used when deciding where to go
1336 void navigation_clearroute()
1337 {
1338         //print("bot ", etos(self), " clear\n");
1339         self.navigation_hasgoals = FALSE;
1340         self.goalcurrent = world;
1341         self.goalstack01 = world;
1342         self.goalstack02 = world;
1343         self.goalstack03 = world;
1344         self.goalstack04 = world;
1345         self.goalstack05 = world;
1346         self.goalstack06 = world;
1347         self.goalstack07 = world;
1348         self.goalstack08 = world;
1349         self.goalstack09 = world;
1350         self.goalstack10 = world;
1351         self.goalstack11 = world;
1352         self.goalstack12 = world;
1353         self.goalstack13 = world;
1354         self.goalstack14 = world;
1355         self.goalstack15 = world;
1356         self.goalstack16 = world;
1357         self.goalstack17 = world;
1358         self.goalstack18 = world;
1359         self.goalstack19 = world;
1360         self.goalstack20 = world;
1361         self.goalstack21 = world;
1362         self.goalstack22 = world;
1363         self.goalstack23 = world;
1364         self.goalstack24 = world;
1365         self.goalstack25 = world;
1366         self.goalstack26 = world;
1367         self.goalstack27 = world;
1368         self.goalstack28 = world;
1369         self.goalstack29 = world;
1370         self.goalstack30 = world;
1371         self.goalstack31 = world;
1372 };
1373
1374 // add a new goal at the beginning of the stack
1375 // (in other words: add a new prerequisite before going to the later goals)
1376 void navigation_pushroute(entity e)
1377 {
1378         //print("bot ", etos(self), " push ", etos(e), "\n");
1379         self.goalstack31 = self.goalstack30;
1380         self.goalstack30 = self.goalstack29;
1381         self.goalstack29 = self.goalstack28;
1382         self.goalstack28 = self.goalstack27;
1383         self.goalstack27 = self.goalstack26;
1384         self.goalstack26 = self.goalstack25;
1385         self.goalstack25 = self.goalstack24;
1386         self.goalstack24 = self.goalstack23;
1387         self.goalstack23 = self.goalstack22;
1388         self.goalstack22 = self.goalstack21;
1389         self.goalstack21 = self.goalstack20;
1390         self.goalstack20 = self.goalstack19;
1391         self.goalstack19 = self.goalstack18;
1392         self.goalstack18 = self.goalstack17;
1393         self.goalstack17 = self.goalstack16;
1394         self.goalstack16 = self.goalstack15;
1395         self.goalstack15 = self.goalstack14;
1396         self.goalstack14 = self.goalstack13;
1397         self.goalstack13 = self.goalstack12;
1398         self.goalstack12 = self.goalstack11;
1399         self.goalstack11 = self.goalstack10;
1400         self.goalstack10 = self.goalstack09;
1401         self.goalstack09 = self.goalstack08;
1402         self.goalstack08 = self.goalstack07;
1403         self.goalstack07 = self.goalstack06;
1404         self.goalstack06 = self.goalstack05;
1405         self.goalstack05 = self.goalstack04;
1406         self.goalstack04 = self.goalstack03;
1407         self.goalstack03 = self.goalstack02;
1408         self.goalstack02 = self.goalstack01;
1409         self.goalstack01 = self.goalcurrent;
1410         self.goalcurrent = e;
1411 };
1412
1413 // remove first goal from stack
1414 // (in other words: remove a prerequisite for reaching the later goals)
1415 // (used when a spawnfunc_waypoint is reached)
1416 void navigation_poproute()
1417 {
1418         //print("bot ", etos(self), " pop\n");
1419         if(self.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL && self.goalcurrent.owner==self)
1420                 remove(self.goalcurrent);
1421
1422         self.goalcurrent = self.goalstack01;
1423         self.goalstack01 = self.goalstack02;
1424         self.goalstack02 = self.goalstack03;
1425         self.goalstack03 = self.goalstack04;
1426         self.goalstack04 = self.goalstack05;
1427         self.goalstack05 = self.goalstack06;
1428         self.goalstack06 = self.goalstack07;
1429         self.goalstack07 = self.goalstack08;
1430         self.goalstack08 = self.goalstack09;
1431         self.goalstack09 = self.goalstack10;
1432         self.goalstack10 = self.goalstack11;
1433         self.goalstack11 = self.goalstack12;
1434         self.goalstack12 = self.goalstack13;
1435         self.goalstack13 = self.goalstack14;
1436         self.goalstack14 = self.goalstack15;
1437         self.goalstack15 = self.goalstack16;
1438         self.goalstack16 = self.goalstack17;
1439         self.goalstack17 = self.goalstack18;
1440         self.goalstack18 = self.goalstack19;
1441         self.goalstack19 = self.goalstack20;
1442         self.goalstack20 = self.goalstack21;
1443         self.goalstack21 = self.goalstack22;
1444         self.goalstack22 = self.goalstack23;
1445         self.goalstack23 = self.goalstack24;
1446         self.goalstack24 = self.goalstack25;
1447         self.goalstack25 = self.goalstack26;
1448         self.goalstack26 = self.goalstack27;
1449         self.goalstack27 = self.goalstack28;
1450         self.goalstack28 = self.goalstack29;
1451         self.goalstack29 = self.goalstack30;
1452         self.goalstack30 = self.goalstack31;
1453         self.goalstack31 = world;
1454 };
1455
1456 // find the spawnfunc_waypoint near a dynamic goal such as a dropped weapon
1457 entity navigation_findnearestwaypoint(entity ent, float walkfromwp)
1458 {
1459         local entity waylist, w, best;
1460         local float dist, bestdist;
1461         local vector v, org, pm1, pm2;
1462         pm1 = ent.origin + PL_MIN;
1463         pm2 = ent.origin + PL_MAX;
1464         waylist = findchain(classname, "waypoint");
1465
1466         // do two scans, because box test is cheaper
1467         w = waylist;
1468         while (w)
1469         {
1470                 // if object is touching spawnfunc_waypoint
1471                 if(w != ent)
1472                         if (boxesoverlap(pm1, pm2, w.absmin, w.absmax))
1473                                 return w;
1474                 w = w.chain;
1475         }
1476
1477         org = ent.origin + (ent.mins_z - PL_MIN_z) * '0 0 1';
1478         if(ent.tag_entity)
1479                 org = org + ent.tag_entity.origin;
1480         if (navigation_testtracewalk)
1481                 te_plasmaburn(org);
1482         best = world;
1483         bestdist = 1050;
1484
1485         // box check failed, try walk
1486         w = waylist;
1487         while (w)
1488         {
1489                 // if object can walk from spawnfunc_waypoint
1490                 if(w != ent)
1491                 {
1492                         if (w.wpisbox)
1493                         {
1494                                 local vector wm1, wm2;
1495                                 wm1 = w.origin + w.mins;
1496                                 wm2 = w.origin + w.maxs;
1497                                 v_x = bound(wm1_x, org_x, wm2_x);
1498                                 v_y = bound(wm1_y, org_y, wm2_y);
1499                                 v_z = bound(wm1_z, org_z, wm2_z);
1500                         }
1501                         else
1502                                 v = w.origin;
1503                         dist = vlen(v - org);
1504                         if (bestdist > dist)
1505                         {
1506                                 traceline(v, org, TRUE, ent);
1507                                 if (trace_fraction == 1)
1508                                 {
1509                                         if (walkfromwp)
1510                                         {
1511                                                 //print("^1can I reach ", vtos(org), " from ", vtos(v), "?\n");
1512                                                 if (tracewalk(ent, v, PL_MIN, PL_MAX, org, MOVE_NORMAL))
1513                                                 {
1514                                                         bestdist = dist;
1515                                                         best = w;
1516                                                 }
1517                                         }
1518                                         else
1519                                         {
1520                                                 if (tracewalk(ent, org, PL_MIN, PL_MAX, v, MOVE_NORMAL))
1521                                                 {
1522                                                         bestdist = dist;
1523                                                         best = w;
1524                                                 }
1525                                         }
1526                                 }
1527                                 else
1528                                         te_lightning1(world, v, org);
1529                         }
1530                 }
1531                 w = w.chain;
1532         }
1533         return best;
1534 }
1535
1536 // finds the waypoints near the bot initiating a navigation query
1537 float navigation_markroutes_nearestwaypoints(entity waylist, float maxdist)
1538 {
1539         local entity head;
1540         local vector v, m1, m2, diff;
1541         local float c;
1542 //      navigation_testtracewalk = TRUE;
1543         c = 0;
1544         head = waylist;
1545         while (head)
1546         {
1547                 if (!head.wpconsidered)
1548                 {
1549                         if (head.wpisbox)
1550                         {
1551                                 m1 = head.origin + head.mins;
1552                                 m2 = head.origin + head.maxs;
1553                                 v = self.origin;
1554                                 v_x = bound(m1_x, v_x, m2_x);
1555                                 v_y = bound(m1_y, v_y, m2_y);
1556                                 v_z = bound(m1_z, v_z, m2_z);
1557                         }
1558                         else
1559                                 v = head.origin;
1560                         diff = v - self.origin;
1561                         diff_z = max(0, diff_z);
1562                         if (vlen(diff) < maxdist)
1563                         {
1564                                 head.wpconsidered = TRUE;
1565                                 if (tracewalk(self, self.origin, self.mins, self.maxs, v, MOVE_NORMAL))
1566                                 {
1567                                         head.wpnearestpoint = v;
1568                                         head.wpcost = vlen(v - self.origin) + head.dmg;
1569                                         head.wpfire = 1;
1570                                         head.enemy = world;
1571                                         c = c + 1;
1572                                 }
1573                         }
1574                 }
1575                 head = head.chain;
1576         }
1577         //navigation_testtracewalk = FALSE;
1578         return c;
1579 }
1580
1581 // updates a path link if a spawnfunc_waypoint link is better than the current one
1582 void navigation_markroutes_checkwaypoint(entity w, entity wp, float cost2, vector p)
1583 {
1584         local vector m1;
1585         local vector m2;
1586         local vector v;
1587         if (wp.wpisbox)
1588         {
1589                 m1 = wp.absmin;
1590                 m2 = wp.absmax;
1591                 v_x = bound(m1_x, p_x, m2_x);
1592                 v_y = bound(m1_y, p_y, m2_y);
1593                 v_z = bound(m1_z, p_z, m2_z);
1594         }
1595         else
1596                 v = wp.origin;
1597         cost2 = cost2 + vlen(v);
1598         if (wp.wpcost > cost2)
1599         {
1600                 wp.wpcost = cost2;
1601                 wp.enemy = w;
1602                 wp.wpfire = 1;
1603                 wp.wpnearestpoint = v;
1604         }
1605 };
1606
1607 // queries the entire spawnfunc_waypoint network for pathes leading away from the bot
1608 void navigation_markroutes()
1609 {
1610         local entity w, wp, waylist;
1611         local float searching, cost, cost2;
1612         local vector p;
1613         w = waylist = findchain(classname, "waypoint");
1614         while (w)
1615         {
1616                 w.wpconsidered = FALSE;
1617                 w.wpnearestpoint = '0 0 0';
1618                 w.wpcost = 10000000;
1619                 w.wpfire = 0;
1620                 w.enemy = world;
1621                 w = w.chain;
1622         }
1623
1624         // try a short range search for the nearest waypoints, and expand the search repeatedly if none are found
1625         // as this search is expensive we will use lower values if the bot is on the air
1626         local float i, increment, maxdistance;
1627         if(self.flags & FL_ONGROUND)
1628         {
1629                 increment = 750;
1630                 maxdistance = 50000;
1631         }
1632         else
1633         {
1634                 increment = 500;
1635                 maxdistance = 1500;
1636         }
1637
1638         for(i=increment;!navigation_markroutes_nearestwaypoints(waylist, i)&&i<maxdistance;i+=increment);
1639
1640         searching = TRUE;
1641         while (searching)
1642         {
1643                 searching = FALSE;
1644                 w = waylist;
1645                 while (w)
1646                 {
1647                         if (w.wpfire)
1648                         {
1649                                 searching = TRUE;
1650                                 w.wpfire = 0;
1651                                 cost = w.wpcost;
1652                                 p = w.wpnearestpoint;
1653                                 wp = w.wp00;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp00mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1654                                 wp = w.wp01;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp01mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1655                                 wp = w.wp02;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp02mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1656                                 wp = w.wp03;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp03mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1657                                 wp = w.wp04;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp04mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1658                                 wp = w.wp05;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp05mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1659                                 wp = w.wp06;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp06mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1660                                 wp = w.wp07;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp07mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1661                                 wp = w.wp08;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp08mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1662                                 wp = w.wp09;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp09mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1663                                 wp = w.wp10;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp10mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1664                                 wp = w.wp11;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp11mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1665                                 wp = w.wp12;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp12mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1666                                 wp = w.wp13;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp13mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1667                                 wp = w.wp14;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp14mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1668                                 wp = w.wp15;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp15mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1669                                 wp = w.wp16;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp16mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1670                                 wp = w.wp17;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp17mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1671                                 wp = w.wp18;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp18mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1672                                 wp = w.wp19;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp19mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1673                                 wp = w.wp20;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp20mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1674                                 wp = w.wp21;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp21mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1675                                 wp = w.wp22;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp22mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1676                                 wp = w.wp23;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp23mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1677                                 wp = w.wp24;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp24mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1678                                 wp = w.wp25;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp25mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1679                                 wp = w.wp26;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp26mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1680                                 wp = w.wp27;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp27mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1681                                 wp = w.wp28;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp28mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1682                                 wp = w.wp29;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp29mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1683                                 wp = w.wp30;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp30mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1684                                 wp = w.wp31;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp31mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1685                                 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
1686                         }
1687                         w = w.chain;
1688                 }
1689         }
1690 };
1691
1692 void navigation_bestgoals_reset()
1693 {
1694         local float i;
1695
1696         bestgoalswindex = 0;
1697         bestgoalsrindex = 0;
1698
1699         for(i=0;i>MAX_BESTGOALS-1;++i)
1700         {
1701                 navigation_bestgoals[i] = world;
1702         }
1703 }
1704
1705 void navigation_add_bestgoal(entity goal)
1706 {
1707         if(bestgoalsrindex>0)
1708         {
1709                 ++bestgoalsrindex;
1710
1711                 if(bestgoalsrindex==MAX_BESTGOALS)
1712                         bestgoalsrindex = 0;
1713         }
1714
1715         if(bestgoalswindex==MAX_BESTGOALS)
1716         {
1717                 bestgoalswindex=0;
1718                 if(bestgoalsrindex==0)
1719                         bestgoalsrindex=1;
1720         }
1721
1722         navigation_bestgoals[bestgoalswindex] = goal;
1723
1724         ++bestgoalswindex;
1725 }
1726
1727 entity navigation_get_bestgoal()
1728 {
1729         local entity ent;
1730
1731         ent = navigation_bestgoals[bestgoalsrindex];
1732         navigation_bestgoals[bestgoalsrindex] = world;
1733
1734         ++bestgoalsrindex;
1735
1736         if(bestgoalsrindex==MAX_BESTGOALS)
1737                 bestgoalsrindex = 0;
1738
1739         return ent;
1740 }
1741
1742 // updates the best goal according to a weighted calculation of travel cost and item value of a new proposed item
1743 .void() havocbot_role;
1744 void() havocbot_role_ctf_offense;
1745 void navigation_routerating(entity e, float f, float rangebias)
1746 {
1747         if (!e)
1748                 return;
1749         //te_wizspike(e.origin);
1750         //bprint(etos(e));
1751         //bprint("\n");
1752         // update the cached spawnfunc_waypoint link on a dynamic item entity
1753         if (time > e.nearestwaypointtimeout)
1754         {
1755                 e.nearestwaypoint = navigation_findnearestwaypoint(e, TRUE);
1756
1757                 // TODO: Cleaner solution, probably handling this timeout from ctf.qc
1758                 if(e.classname=="item_flag_team")
1759                         e.nearestwaypointtimeout = time + 2;
1760                 else
1761                         e.nearestwaypointtimeout = time + random() * 3 + 5;
1762         }
1763
1764         //dprint("-- checking ", e.classname, " (with cost ", ftos(e.nearestwaypoint.wpcost), ")\n");
1765         if (e.nearestwaypoint)
1766         if (e.nearestwaypoint.wpcost < 10000000)
1767         {
1768                 //te_wizspike(e.nearestwaypoint.wpnearestpoint);
1769                 //dprint(e.classname, " ", ftos(f), "/(1+", ftos((e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint))), "/", ftos(rangebias), ") = ");
1770                 f = f * rangebias / (rangebias + (e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint)));
1771                 //if (self.havocbot_role == havocbot_role_ctf_offense)
1772                 //dprint("considering ", e.classname, " (with rating ", ftos(f), ")\n");
1773                 //dprint(ftos(f));
1774                 if (navigation_bestrating < f)
1775                 {
1776                         navigation_bestrating = f;
1777                         navigation_add_bestgoal(e);
1778                 }
1779         }
1780         //dprint("\n");
1781 };
1782
1783 // adds an item to the the goal stack with the path to a given item
1784 float navigation_routetogoal(entity e, vector startposition)
1785 {
1786         self.goalentity = e;
1787
1788         // if there is no goal, just exit
1789         if (!e)
1790                 return FALSE;
1791
1792         self.navigation_hasgoals = TRUE;
1793
1794         // put the entity on the goal stack
1795         navigation_pushroute(e);
1796
1797         // if it can reach the goal there is nothing more to do
1798         if (tracewalk(self, startposition, PL_MIN, PL_MAX, e.origin, MOVE_NORMAL))
1799                 return TRUE;
1800
1801         // see if there are waypoints describing a path to the item
1802         e = e.nearestwaypoint;
1803         if(e == world)
1804                 return FALSE;
1805
1806         for (;;)
1807         {
1808                 // add the spawnfunc_waypoint to the path
1809                 navigation_pushroute(e);
1810                 e = e.enemy;
1811
1812                 if(e==world)
1813                         break;
1814         }
1815
1816         return FALSE;
1817 };
1818
1819 void navigation_routetogoals()
1820 {
1821         entity g1, g2;
1822
1823         navigation_clearroute();
1824
1825         g1 = navigation_get_bestgoal();
1826         for(;;)
1827         {
1828                 if(g2==world)
1829                         g2 = navigation_get_bestgoal();
1830
1831                 if(g2==world)
1832                 {
1833                         navigation_routetogoal(g1, self.origin);
1834                         return;
1835                 }
1836
1837                 if(navigation_routetogoal(g1, g2.origin))
1838                 {
1839                         g1 = g2;
1840                         g2 = world;
1841                         continue;
1842                 }
1843
1844                 navigation_clearroute();
1845                 g1 = g2;
1846                 g2 = world;
1847         }
1848 }
1849
1850 // removes any currently touching waypoints from the goal stack
1851 // (this is how bots detect if they have reached a goal)
1852 .float lastteleporttime;
1853
1854 void navigation_poptouchedgoals()
1855 {
1856         local vector org, m1, m2;
1857         org = self.origin;
1858         m1 = org + self.mins;
1859         m2 = org + self.maxs;
1860
1861         if(self.goalcurrent.wpflags & WAYPOINTFLAG_TELEPORT)
1862         {
1863                 if(self.lastteleporttime>0)
1864                 if(time-self.lastteleporttime<0.15)
1865                 {
1866                         navigation_poproute();
1867                         return;
1868                 }
1869         }
1870
1871         // Loose goal touching check when running
1872         if(self.aistatus & AI_STATUS_RUNNING)
1873         if(self.goalcurrent.classname=="waypoint")
1874         {
1875                 if(vlen(self.origin - self.goalcurrent.origin)<150)
1876                 {
1877                         traceline(self.origin + self.view_ofs , self.goalcurrent.origin, TRUE, world);
1878                         if(trace_fraction==1)
1879                         {
1880                                 // Detect personal waypoints
1881                                 if(self.aistatus & AI_STATUS_WAYPOINT_PERSONAL_GOING)
1882                                 if(self.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL && self.goalcurrent.owner==self)
1883                                 {
1884                                         self.aistatus &~= AI_STATUS_WAYPOINT_PERSONAL_GOING;
1885                                         self.aistatus |= AI_STATUS_WAYPOINT_PERSONAL_REACHED;
1886                                 }
1887
1888                                 navigation_poproute();
1889                         }
1890                 }
1891         }
1892
1893         while (self.goalcurrent && boxesoverlap(m1, m2, self.goalcurrent.absmin, self.goalcurrent.absmax))
1894         {
1895                 // Detect personal waypoints
1896                 if(self.aistatus & AI_STATUS_WAYPOINT_PERSONAL_GOING)
1897                 if(self.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL && self.goalcurrent.owner==self)
1898                 {
1899                         self.aistatus &~= AI_STATUS_WAYPOINT_PERSONAL_GOING;
1900                         self.aistatus |= AI_STATUS_WAYPOINT_PERSONAL_REACHED;
1901                 }
1902
1903                 navigation_poproute();
1904         }
1905 }
1906
1907 // begin a goal selection session (queries spawnfunc_waypoint network)
1908 void navigation_goalrating_start()
1909 {
1910         navigation_bestrating = -1;
1911         self.navigation_hasgoals = FALSE;
1912         navigation_bestgoals_reset();
1913         navigation_markroutes();
1914 };
1915
1916 // ends a goal selection session (updates goal stack to the best goal)
1917 void navigation_goalrating_end()
1918 {
1919         navigation_routetogoals();
1920
1921         // Hack: if it can't walk to any goal just move blindly to the first visible waypoint
1922         if not (self.navigation_hasgoals)
1923         {
1924                 dprint(self.netname, " can't walk to any goal, going to a near waypoint\n");
1925                 local entity head;
1926                 head = findradius(self.origin,500);
1927                 while(head)
1928                 {
1929                         if(head.classname=="waypoint")
1930                         if(checkpvs(self.origin,head))
1931                                 navigation_routetogoal(head,self.origin);
1932
1933                         head = head.chain;
1934                 }
1935                 self.navigation_hasgoals = FALSE; // Reset this value
1936         }
1937 };
1938
1939
1940 //////////////////////////////////////////////////////////////////////////////
1941 // general bot functions
1942 //////////////////////////////////////////////////////////////////////////////
1943
1944 .float isbot; // true if this client is actually a bot
1945
1946 float skill;
1947 entity bot_list;
1948 .entity nextbot;
1949 .string netname_freeme;
1950 .string playermodel_freeme;
1951 .string playerskin_freeme;
1952
1953 float sv_maxspeed;
1954 .float createdtime;
1955
1956 .float bot_preferredcolors;
1957
1958 .float bot_attack;
1959 .float bot_dodge;
1960 .float bot_dodgerating;
1961
1962 //.float bot_painintensity;
1963 .float bot_firetimer;
1964 //.float bot_oldhealth;
1965 .void() bot_ai;
1966
1967 .entity bot_aimtarg;
1968 .float bot_aimlatency;
1969 .vector bot_aimselforigin;
1970 .vector bot_aimselfvelocity;
1971 .vector bot_aimtargorigin;
1972 .vector bot_aimtargvelocity;
1973
1974 .float bot_pickup;
1975 .float(entity player, entity item) bot_pickupevalfunc;
1976 .float bot_pickupbasevalue;
1977 .float bot_canfire;
1978 .float bot_strategytime;
1979
1980 // used for aiming currently
1981 // FIXME: make the weapon code use these and then replace the calculations here with a call to the weapon code
1982 vector shotorg;
1983 vector shotdir;
1984
1985 .float bot_forced_team;
1986 .float bot_config_loaded;
1987
1988 void bot_setnameandstuff()
1989 {
1990         local string readfile, s;
1991         local float file, tokens;
1992
1993         local string bot_name, bot_model, bot_skin, bot_shirt, bot_pants;
1994         local string name, prefix, suffix;
1995
1996         file = fopen(cvar_string("bot_config_file"), FILE_READ);
1997
1998         if(file < 0)
1999                 print(strcat("Error: Can not open the bot configuration file '",cvar_string("bot_config_file"),"'\n"));
2000         else
2001         {
2002                 RandomSelection_Init();
2003                 for(;;)
2004                 {
2005                         s = fgets(file);
2006                         if(!s)
2007                                 break;
2008                         if(substring(s, 0, 2) == "//")
2009                                 continue;
2010                         if(substring(s, 0, 1) == "#")
2011                                 continue;
2012                         RandomSelection_Add(world, 0, s, 1, 0);
2013                         readfile = RandomSelection_chosen_string;
2014                 }
2015                 fclose(file);
2016         }
2017
2018         tokens = tokenizebyseparator(readfile, "\t");
2019         if(argv(0) != "") bot_name = argv(0);
2020         else bot_name = "Bot";
2021
2022         if(argv(1) != "") bot_model = argv(1);
2023         else bot_model = "marine";
2024
2025         if(argv(2) != "") bot_skin = argv(2);
2026         else bot_skin = "0";
2027
2028         if(argv(3) != "" && stof(argv(3)) >= 0) bot_shirt = argv(3);
2029         else bot_shirt = ftos(floor(random() * 15));
2030
2031         if(argv(4) != "" && stof(argv(4)) >= 0) bot_pants = argv(4);
2032         else bot_pants = ftos(floor(random() * 15));
2033
2034         self.bot_forced_team = stof(argv(5));
2035         self.bot_config_loaded = TRUE;
2036         prefix = cvar_string("bot_prefix");
2037         suffix = cvar_string("bot_suffix");
2038
2039         // this is really only a default, JoinBestTeam is called later
2040         setcolor(self, stof(bot_shirt) * 16 + stof(bot_pants));
2041         self.bot_preferredcolors = self.clientcolors;
2042
2043         // pick the name
2044         if (cvar("bot_usemodelnames"))
2045                 name = bot_model;
2046         else
2047                 name = bot_name;
2048
2049         // pick the model and skin
2050         self.playermodel = self.playermodel_freeme = strzone(strcat("models/player/", bot_model, ".zym"));
2051         self.playerskin = self.playerskin_freeme = strzone(bot_skin);
2052
2053         if(!cvar("g_campaign"))
2054                 self.netname = self.netname_freeme = strzone(strcat(prefix, name, suffix));
2055         else
2056                 self.netname = self.netname_freeme = strzone(name);
2057 };
2058
2059 float bot_custom_weapon;
2060 float bot_distance_far;
2061 float bot_distance_close;
2062
2063 float bot_weapons_far[WEP_LAST];
2064 float bot_weapons_mid[WEP_LAST];
2065 float bot_weapons_close[WEP_LAST];
2066
2067 void bot_custom_weapon_priority_setup()
2068 {
2069         local float tokens, i, c, w;
2070
2071         bot_custom_weapon = FALSE;
2072
2073         if(     cvar_string("bot_ai_custom_weapon_priority_far") == "" ||
2074                 cvar_string("bot_ai_custom_weapon_priority_mid") == "" ||
2075                 cvar_string("bot_ai_custom_weapon_priority_close") == "" ||
2076                 cvar_string("bot_ai_custom_weapon_priority_distances") == ""
2077         )
2078                 return;
2079
2080         // Parse distances
2081         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_distances")," ");
2082
2083         if (tokens!=2)
2084                 return;
2085
2086         bot_distance_far = stof(argv(0));
2087         bot_distance_close = stof(argv(1));
2088
2089         if(bot_distance_far < bot_distance_close){
2090                 bot_distance_far = stof(argv(1));
2091                 bot_distance_close = stof(argv(0));
2092         }
2093
2094         // Initialize list of weapons
2095         bot_weapons_far[0] = -1;
2096         bot_weapons_mid[0] = -1;
2097         bot_weapons_close[0] = -1;
2098
2099         // Parse far distance weapon priorities
2100         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_far")," ");
2101
2102         c = 0;
2103         for(i=0; i < tokens && c < WEP_COUNT; ++i){
2104                 w = stof(argv(i));
2105                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2106                         bot_weapons_far[c] = w;
2107                         ++c;
2108                 }
2109         }
2110         if(c < WEP_COUNT)
2111                 bot_weapons_far[c] = -1;
2112
2113         // Parse mid distance weapon priorities
2114         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_mid")," ");
2115
2116         c = 0;
2117         for(i=0; i < tokens && c < WEP_COUNT; ++i){
2118                 w = stof(argv(i));
2119                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2120                         bot_weapons_mid[c] = w;
2121                         ++c;
2122                 }
2123         }
2124         if(c < WEP_COUNT)
2125                 bot_weapons_mid[c] = -1;
2126
2127         // Parse close distance weapon priorities
2128         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_close")," ");
2129
2130         c = 0;
2131         for(i=0; i < tokens && i < WEP_COUNT; ++i){
2132                 w = stof(argv(i));
2133                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
2134                         bot_weapons_close[c] = w;
2135                         ++c;
2136                 }
2137         }
2138         if(c < WEP_COUNT)
2139                 bot_weapons_close[c] = -1;
2140
2141         bot_custom_weapon = TRUE;
2142 };
2143
2144
2145 void bot_endgame()
2146 {
2147         local entity e;
2148         //dprint("bot_endgame\n");
2149         e = bot_list;
2150         while (e)
2151         {
2152                 setcolor(e, e.bot_preferredcolors);
2153                 e = e.nextbot;
2154         }
2155         // if dynamic waypoints are ever implemented, save them here
2156 };
2157
2158 float bot_ignore_bots; // let bots not attack other bots (only works in non-teamplay)
2159 float bot_shouldattack(entity e)
2160 {
2161         if (e.team == self.team)
2162         {
2163                 if (e == self)
2164                         return FALSE;
2165                 if (teams_matter)
2166                 if (e.team != 0)
2167                         return FALSE;
2168         }
2169         if(!teams_matter)
2170                 if(bot_ignore_bots)
2171                         if(clienttype(e) == CLIENTTYPE_BOT)
2172                                 return FALSE;
2173         if (!e.takedamage)
2174                 return FALSE;
2175         if (e.deadflag)
2176                 return FALSE;
2177         if (e.BUTTON_CHAT)
2178                 return FALSE;
2179         if(g_minstagib)
2180         if(e.items & IT_STRENGTH)
2181                 return FALSE;
2182         if(e.flags & FL_NOTARGET)
2183                 return FALSE;
2184         return TRUE;
2185 };
2186
2187 void bot_lagfunc(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
2188 {
2189         if(self.flags & FL_INWATER)
2190         {
2191                 self.bot_aimtarg = world;
2192                 return;
2193         }
2194         self.bot_aimtarg = e1;
2195         self.bot_aimlatency = self.ping; // FIXME?  Shouldn't this be in the lag item?
2196         self.bot_aimselforigin = v1;
2197         self.bot_aimselfvelocity = v2;
2198         self.bot_aimtargorigin = v3;
2199         self.bot_aimtargvelocity = v4;
2200         if(skill <= 0)
2201                 self.bot_canfire = (random() < 0.8);
2202         else if(skill <= 1)
2203                 self.bot_canfire = (random() < 0.9);
2204         else if(skill <= 2)
2205                 self.bot_canfire = (random() < 0.95);
2206         else
2207                 self.bot_canfire = 1;
2208 };
2209
2210 .float bot_nextthink;
2211 .float bot_badaimtime;
2212 .float bot_aimthinktime;
2213 .float bot_prevaimtime;
2214 .vector bot_mouseaim;
2215 .vector bot_badaimoffset;
2216 .vector bot_1st_order_aimfilter;
2217 .vector bot_2nd_order_aimfilter;
2218 .vector bot_3th_order_aimfilter;
2219 .vector bot_4th_order_aimfilter;
2220 .vector bot_5th_order_aimfilter;
2221 .vector bot_olddesiredang;
2222 float bot_aimdir(vector v, float maxfiredeviation)
2223 {
2224         local float dist, delta_t, blend;
2225         local vector desiredang, diffang;
2226
2227         //dprint("aim ", self.netname, ": old:", vtos(self.v_angle));
2228         // make sure v_angle is sane first
2229         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2230         self.v_angle_z = 0;
2231
2232         // get the desired angles to aim at
2233         //dprint(" at:", vtos(v));
2234         v = normalize(v);
2235         //te_lightning2(world, self.origin + self.view_ofs, self.origin + self.view_ofs + v * 200);
2236         if (time >= self.bot_badaimtime)
2237         {
2238                 self.bot_badaimtime = max(self.bot_badaimtime + 0.3, time);
2239                 self.bot_badaimoffset = randomvec() * bound(0, 5 - 0.5 * (skill+self.bot_offsetskill), 5) * cvar("bot_ai_aimskill_offset");
2240         }
2241         desiredang = vectoangles(v) + self.bot_badaimoffset;
2242         //dprint(" desired:", vtos(desiredang));
2243         if (desiredang_x >= 180)
2244                 desiredang_x = desiredang_x - 360;
2245         desiredang_x = bound(-90, 0 - desiredang_x, 90);
2246         desiredang_z = self.v_angle_z;
2247         //dprint(" / ", vtos(desiredang));
2248
2249         //// pain throws off aim
2250         //if (self.bot_painintensity)
2251         //{
2252         //      // shake from pain
2253         //      desiredang = desiredang + randomvec() * self.bot_painintensity * 0.2;
2254         //}
2255
2256         // calculate turn angles
2257         diffang = (desiredang - self.bot_olddesiredang);
2258         // wrap yaw turn
2259         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2260         if (diffang_y >= 180)
2261                 diffang_y = diffang_y - 360;
2262         self.bot_olddesiredang = desiredang;
2263         //dprint(" diff:", vtos(diffang));
2264
2265         delta_t = time-self.bot_prevaimtime;
2266         self.bot_prevaimtime = time;
2267         // Here we will try to anticipate the comming aiming direction
2268         self.bot_1st_order_aimfilter= self.bot_1st_order_aimfilter
2269                 + (diffang * (1 / delta_t)    - self.bot_1st_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_1st"),1);
2270         self.bot_2nd_order_aimfilter= self.bot_2nd_order_aimfilter
2271                 + (self.bot_1st_order_aimfilter - self.bot_2nd_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_2nd"),1);
2272         self.bot_3th_order_aimfilter= self.bot_3th_order_aimfilter
2273                 + (self.bot_2nd_order_aimfilter - self.bot_3th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_3th"),1);
2274         self.bot_4th_order_aimfilter= self.bot_4th_order_aimfilter
2275                 + (self.bot_3th_order_aimfilter - self.bot_4th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_4th"),1);
2276         self.bot_5th_order_aimfilter= self.bot_5th_order_aimfilter
2277                 + (self.bot_4th_order_aimfilter - self.bot_5th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_5th"),1);
2278
2279         //blend = (bound(0,skill,10)*0.1)*pow(1-bound(0,skill,10)*0.05,2.5)*5.656854249; //Plot formule before changing !
2280         blend = bound(0,skill,10)*0.1;
2281         desiredang = desiredang + blend *
2282         (
2283                   self.bot_1st_order_aimfilter * cvar("bot_ai_aimskill_order_mix_1st")
2284                 + self.bot_2nd_order_aimfilter * cvar("bot_ai_aimskill_order_mix_2nd")
2285                 + self.bot_3th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_3th")
2286                 + self.bot_4th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_4th")
2287                 + self.bot_5th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_5th")
2288         );
2289
2290         // calculate turn angles
2291         diffang = desiredang - self.bot_mouseaim;
2292         // wrap yaw turn
2293         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2294         if (diffang_y >= 180)
2295                 diffang_y = diffang_y - 360;
2296         //dprint(" diff:", vtos(diffang));
2297
2298         if (time >= self.bot_aimthinktime)
2299         {
2300                 self.bot_aimthinktime = max(self.bot_aimthinktime + 0.5 - 0.05*(skill+self.bot_thinkskill), time);
2301                 self.bot_mouseaim = self.bot_mouseaim + diffang * (1-random()*0.1*bound(1,10-skill,10));
2302         }
2303
2304         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2305
2306         diffang = self.bot_mouseaim - desiredang;
2307         // wrap yaw turn
2308         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2309         if (diffang_y >= 180)
2310                 diffang_y = diffang_y - 360;
2311         desiredang = desiredang + diffang * bound(0,cvar("bot_ai_aimskill_think"),1);
2312
2313         // calculate turn angles
2314         diffang = desiredang - self.v_angle;
2315         // wrap yaw turn
2316         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2317         if (diffang_y >= 180)
2318                 diffang_y = diffang_y - 360;
2319         //dprint(" diff:", vtos(diffang));
2320
2321         // jitter tracking
2322         dist = vlen(diffang);
2323         //diffang = diffang + randomvec() * (dist * 0.05 * (3.5 - bound(0, skill, 3)));
2324
2325         // turn
2326         local float r, fixedrate, blendrate;
2327         fixedrate = cvar("bot_ai_aimskill_fixedrate") / bound(1,dist,1000);
2328         blendrate = cvar("bot_ai_aimskill_blendrate");
2329         r = max(fixedrate, blendrate);
2330         //self.v_angle = self.v_angle + diffang * bound(frametime, r * frametime * (2+skill*skill*0.05-random()*0.05*(10-skill)), 1);
2331         self.v_angle = self.v_angle + diffang * bound(delta_t, r * delta_t * (2+pow(skill+self.bot_mouseskill,3)*0.005-random()), 1);
2332         self.v_angle = self.v_angle * bound(0,cvar("bot_ai_aimskill_mouse"),1) + desiredang * bound(0,(1-cvar("bot_ai_aimskill_mouse")),1);
2333         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
2334         //self.v_angle = self.v_angle + diffang * (1/ blendrate);
2335         self.v_angle_z = 0;
2336         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
2337         //dprint(" turn:", vtos(self.v_angle));
2338
2339         makevectors(self.v_angle);
2340         shotorg = self.origin + self.view_ofs;
2341         shotdir = v_forward;
2342
2343         //dprint(" dir:", vtos(v_forward));
2344         //te_lightning2(world, shotorg, shotorg + shotdir * 100);
2345
2346         // calculate turn angles again
2347         //diffang = desiredang - self.v_angle;
2348         //diffang_y = diffang_y - floor(diffang_y / 360) * 360;
2349         //if (diffang_y >= 180)
2350         //      diffang_y = diffang_y - 360;
2351
2352         //dprint("e ", vtos(diffang), " < ", ftos(maxfiredeviation), "\n");
2353
2354         // decide whether to fire this time
2355         // note the maxfiredeviation is in degrees so this has to convert to radians first
2356         //if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2357         if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
2358         if (vlen(trace_endpos-shotorg) < 500+500*bound(0, skill, 10) || random()*random()>bound(0,skill*0.05,1))
2359                 self.bot_firetimer = time + bound(0.1, 0.5-skill*0.05, 0.5);
2360         //traceline(shotorg,shotorg+shotdir*1000,FALSE,world);
2361         //dprint(ftos(maxfiredeviation),"\n");
2362         //dprint(" diff:", vtos(diffang), "\n");
2363
2364         return self.bot_canfire && (time < self.bot_firetimer);
2365 };
2366
2367 vector bot_shotlead(vector targorigin, vector targvelocity, float shotspeed, float shotdelay)
2368 {
2369         // Try to add code here that predicts gravity effect here, no clue HOW to though ... well not yet atleast...
2370         return targorigin + targvelocity * (shotdelay + vlen(targorigin - shotorg) / shotspeed);
2371 };
2372
2373 float bot_aim(float shotspeed, float shotspeedupward, float maxshottime, float applygravity)
2374 {
2375         local float f, r;
2376         local vector v;
2377         /*
2378         eprint(self);
2379         dprint("bot_aim(", ftos(shotspeed));
2380         dprint(", ", ftos(shotspeedupward));
2381         dprint(", ", ftos(maxshottime));
2382         dprint(", ", ftos(applygravity));
2383         dprint(");\n");
2384         */
2385         if (!shotspeed)
2386         {
2387                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " shotspeed is zero!\n");
2388                 shotspeed = 1000000;
2389         }
2390         if (!maxshottime)
2391         {
2392                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " maxshottime is zero!\n");
2393                 maxshottime = 1;
2394         }
2395         makevectors(self.v_angle);
2396         shotorg = self.origin + self.view_ofs;
2397         shotdir = v_forward;
2398         v = bot_shotlead(self.bot_aimtargorigin, self.bot_aimtargvelocity, shotspeed, self.bot_aimlatency);
2399         local float distanceratio;
2400         distanceratio =sqrt(bound(0,skill,10000))*0.3*(vlen(v-shotorg)-100)/cvar("bot_ai_aimskill_firetolerance_distdegrees");
2401         distanceratio = bound(0,distanceratio,1);
2402         r =  (cvar("bot_ai_aimskill_firetolerance_maxdegrees")-cvar("bot_ai_aimskill_firetolerance_mindegrees"))
2403                 * (1-distanceratio) + cvar("bot_ai_aimskill_firetolerance_mindegrees");
2404         if (applygravity && self.bot_aimtarg)
2405         {
2406                 if (!findtrajectorywithleading(shotorg, '0 0 0', '0 0 0', self.bot_aimtarg, shotspeed, shotspeedupward, maxshottime, 0, self))
2407                         return FALSE;
2408                 f = bot_aimdir(findtrajectory_velocity - shotspeedupward * '0 0 1', r);
2409         }
2410         else
2411         {
2412                 f = bot_aimdir(v - shotorg, r);
2413                 //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");
2414                 traceline(shotorg, shotorg + shotdir * 10000, FALSE, self);
2415                 if (trace_ent.takedamage)
2416                 if (trace_fraction < 1)
2417                 if (!bot_shouldattack(trace_ent))
2418                         return FALSE;
2419                 traceline(shotorg, self.bot_aimtargorigin, FALSE, self);
2420                 if (trace_fraction < 1)
2421                 if (trace_ent != self.enemy)
2422                 if (!bot_shouldattack(trace_ent))
2423                         return FALSE;
2424         }
2425         if (r > maxshottime * shotspeed)
2426                 return FALSE;
2427         return f;
2428 };
2429
2430 // TODO: move this painintensity code to the player damage code
2431 void bot_think()
2432 {
2433         if (self.bot_nextthink > time)
2434                 return;
2435
2436         self.flags &~= FL_GODMODE;
2437         if(cvar("bot_god"))
2438                 self.flags |= FL_GODMODE;
2439
2440         self.bot_nextthink = self.bot_nextthink + cvar("bot_ai_thinkinterval");
2441         //if (self.bot_painintensity > 0)
2442         //      self.bot_painintensity = self.bot_painintensity - (skill + 1) * 40 * frametime;
2443
2444         //self.bot_painintensity = self.bot_painintensity + self.bot_oldhealth - self.health;
2445         //self.bot_painintensity = bound(0, self.bot_painintensity, 100);
2446
2447         if(time < game_starttime || ((cvar("g_campaign") && !campaign_bots_may_start)))
2448         {
2449                 self.nextthink = time + 0.5;
2450                 return;
2451         }
2452
2453         if (self.fixangle)
2454         {
2455                 self.v_angle = self.angles;
2456                 self.v_angle_z = 0;
2457                 self.fixangle = FALSE;
2458         }
2459
2460         self.dmg_take = 0;
2461         self.dmg_save = 0;
2462         self.dmg_inflictor = world;
2463
2464         // calculate an aiming latency based on the skill setting
2465         // (simulated network latency + naturally delayed reflexes)
2466         //self.ping = 0.7 - bound(0, 0.05 * skill, 0.5); // moved the reflexes to bot_aimdir (under the name 'think')
2467         // minimum ping 20+10 random
2468         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
2469         // skill 10 = ping 0.2 (adrenaline)
2470         // skill 0 = ping 0.7 (slightly drunk)
2471
2472         // clear buttons
2473         self.BUTTON_ATCK = 0;
2474         self.button1 = 0;
2475         self.BUTTON_JUMP = 0;
2476         self.BUTTON_ATCK2 = 0;
2477         self.BUTTON_ZOOM = 0;
2478         self.BUTTON_CROUCH = 0;
2479         self.BUTTON_HOOK = 0;
2480         self.BUTTON_INFO = 0;
2481         self.button8 = 0;
2482         self.BUTTON_CHAT = 0;
2483         self.BUTTON_USE = 0;
2484
2485         // if dead, just wait until we can respawn
2486         if (self.deadflag)
2487         {
2488                 if (self.deadflag == DEAD_DEAD)
2489                 {
2490                         self.BUTTON_JUMP = 1; // press jump to respawn
2491                         self.bot_strategytime = 0;
2492                 }
2493         }
2494
2495         // now call the current bot AI (havocbot for example)
2496         self.bot_ai();
2497 };
2498
2499 entity bot_strategytoken;
2500 float bot_strategytoken_taken;
2501 entity player_list;
2502 .entity nextplayer;
2503 void bot_relinkplayerlist()
2504 {
2505         local entity e;
2506         local entity prevbot;
2507         player_count = 0;
2508         currentbots = 0;
2509         player_list = e = findchainflags(flags, FL_CLIENT);
2510         bot_list = world;
2511         prevbot = world;
2512         while (e)
2513         {
2514                 player_count = player_count + 1;
2515                 e.nextplayer = e.chain;
2516                 if (clienttype(e) == CLIENTTYPE_BOT)
2517                 {
2518                         if (prevbot)
2519                                 prevbot.nextbot = e;
2520                         else
2521                         {
2522                                 bot_list = e;
2523                                 bot_list.nextbot = world;
2524                         }
2525                         prevbot = e;
2526                         currentbots = currentbots + 1;
2527                 }
2528                 e = e.chain;
2529         }
2530         dprint(strcat("relink: ", ftos(currentbots), " bots seen.\n"));
2531         bot_strategytoken = bot_list;
2532         bot_strategytoken_taken = TRUE;
2533 };
2534
2535 void() havocbot_setupbot;
2536 float JoinBestTeam(entity pl, float only_return_best, float forcebestteam);
2537
2538 void bot_clientdisconnect()
2539 {
2540         if (clienttype(self) != CLIENTTYPE_BOT)
2541                 return;
2542         if(self.netname_freeme)
2543                 strunzone(self.netname_freeme);
2544         if(self.playermodel_freeme)
2545                 strunzone(self.playermodel_freeme);
2546         if(self.playerskin_freeme)
2547                 strunzone(self.playerskin_freeme);
2548         self.netname_freeme = string_null;
2549         self.playermodel_freeme = string_null;
2550         self.playerskin_freeme = string_null;
2551 }
2552
2553 void bot_clientconnect()
2554 {
2555         if (clienttype(self) != CLIENTTYPE_BOT)
2556                 return;
2557         self.bot_preferredcolors = self.clientcolors;
2558         self.bot_nextthink = time - random();
2559         self.lag_func = bot_lagfunc;
2560         self.isbot = TRUE;
2561         self.createdtime = self.nextthink;
2562
2563         if(!self.bot_config_loaded) // This is needed so team overrider doesn't break between matches
2564                 bot_setnameandstuff();
2565
2566         if(self.bot_forced_team==1)
2567                 self.team = COLOR_TEAM1;
2568         else if(self.bot_forced_team==2)
2569                 self.team = COLOR_TEAM2;
2570         else if(self.bot_forced_team==3)
2571                 self.team = COLOR_TEAM3;
2572         else if(self.bot_forced_team==4)
2573                 self.team = COLOR_TEAM4;
2574         else
2575                 JoinBestTeam(self, FALSE, TRUE);
2576
2577         havocbot_setupbot();
2578         self.bot_mouseskill=random()-0.5;
2579         self.bot_thinkskill=random()-0.5;
2580         self.bot_predictionskill=random()-0.5;
2581         self.bot_offsetskill=random()-0.5;
2582 };
2583
2584 entity bot_spawn()
2585 {
2586         local entity oldself, bot;
2587         bot = spawnclient();
2588         if (bot)
2589         {
2590                 currentbots = currentbots + 1;
2591                 oldself = self;
2592                 self = bot;
2593                 bot_setnameandstuff();
2594                 ClientConnect();
2595                 PutClientInServer();
2596                 self = oldself;
2597         }
2598         return bot;
2599 };
2600
2601 void CheckAllowedTeams(entity for_whom); void GetTeamCounts(entity other); float c1, c2, c3, c4;
2602 void bot_removefromlargestteam()
2603 {
2604         local float besttime, bestcount, thiscount;
2605         local entity best, head;
2606         CheckAllowedTeams(world);
2607         GetTeamCounts(world);
2608         head = findchainfloat(isbot, TRUE);
2609         if (!head)
2610                 return;
2611         best = head;
2612         besttime = head.createdtime;
2613         bestcount = 0;
2614         while (head)
2615         {
2616                 if(head.team == COLOR_TEAM1)
2617                         thiscount = c1;
2618                 else if(head.team == COLOR_TEAM2)
2619                         thiscount = c2;
2620                 else if(head.team == COLOR_TEAM3)
2621                         thiscount = c3;
2622                 else if(head.team == COLOR_TEAM4)
2623                         thiscount = c4;
2624                 else
2625                         thiscount = 0;
2626                 if (thiscount > bestcount)
2627                 {
2628                         bestcount = thiscount;
2629                         besttime = head.createdtime;
2630                         best = head;
2631                 }
2632                 else if (thiscount == bestcount && besttime < head.createdtime)
2633                 {
2634                         besttime = head.createdtime;
2635                         best = head;
2636                 }
2637                 head = head.chain;
2638         }
2639         currentbots = currentbots - 1;
2640         dropclient(best);
2641 };
2642
2643 void bot_removenewest()
2644 {
2645         local float besttime;
2646         local entity best, head;
2647
2648         if(teams_matter)
2649         {
2650                 bot_removefromlargestteam();
2651                 return;
2652         }
2653
2654         head = findchainfloat(isbot, TRUE);
2655         if (!head)
2656                 return;
2657         best = head;
2658         besttime = head.createdtime;
2659         while (head)
2660         {
2661                 if (besttime < head.createdtime)
2662                 {
2663                         besttime = head.createdtime;
2664                         best = head;
2665                 }
2666                 head = head.chain;
2667         }
2668         currentbots = currentbots - 1;
2669         dropclient(best);
2670 };
2671
2672 float botframe_waypointeditorlightningtime;
2673 void botframe_showwaypointlinks()
2674 {
2675         local entity player, head, w;
2676         if (time < botframe_waypointeditorlightningtime)
2677                 return;
2678         botframe_waypointeditorlightningtime = time + 0.5;
2679         player = find(world, classname, "player");
2680         while (player)
2681         {
2682                 if (!player.isbot)
2683                 if (player.flags & FL_ONGROUND || player.waterlevel > WATERLEVEL_NONE)
2684                 {
2685                         //navigation_testtracewalk = TRUE;
2686                         head = navigation_findnearestwaypoint(player, FALSE);
2687                         print("currently selected WP is ", etos(head), "\n");
2688                         //navigation_testtracewalk = FALSE;
2689                         if (head)
2690                         {
2691                                 w = head     ;if (w) te_lightning2(world, w.origin, player.origin);
2692                                 w = head.wp00;if (w) te_lightning2(world, w.origin, head.origin);
2693                                 w = head.wp01;if (w) te_lightning2(world, w.origin, head.origin);
2694                                 w = head.wp02;if (w) te_lightning2(world, w.origin, head.origin);
2695                                 w = head.wp03;if (w) te_lightning2(world, w.origin, head.origin);
2696                                 w = head.wp04;if (w) te_lightning2(world, w.origin, head.origin);
2697                                 w = head.wp05;if (w) te_lightning2(world, w.origin, head.origin);
2698                                 w = head.wp06;if (w) te_lightning2(world, w.origin, head.origin);
2699                                 w = head.wp07;if (w) te_lightning2(world, w.origin, head.origin);
2700                                 w = head.wp08;if (w) te_lightning2(world, w.origin, head.origin);
2701                                 w = head.wp09;if (w) te_lightning2(world, w.origin, head.origin);
2702                                 w = head.wp10;if (w) te_lightning2(world, w.origin, head.origin);
2703                                 w = head.wp11;if (w) te_lightning2(world, w.origin, head.origin);
2704                                 w = head.wp12;if (w) te_lightning2(world, w.origin, head.origin);
2705                                 w = head.wp13;if (w) te_lightning2(world, w.origin, head.origin);
2706                                 w = head.wp14;if (w) te_lightning2(world, w.origin, head.origin);
2707                                 w = head.wp15;if (w) te_lightning2(world, w.origin, head.origin);
2708                                 w = head.wp16;if (w) te_lightning2(world, w.origin, head.origin);
2709                                 w = head.wp17;if (w) te_lightning2(world, w.origin, head.origin);
2710                                 w = head.wp18;if (w) te_lightning2(world, w.origin, head.origin);
2711                                 w = head.wp19;if (w) te_lightning2(world, w.origin, head.origin);
2712                                 w = head.wp20;if (w) te_lightning2(world, w.origin, head.origin);
2713                                 w = head.wp21;if (w) te_lightning2(world, w.origin, head.origin);
2714                                 w = head.wp22;if (w) te_lightning2(world, w.origin, head.origin);
2715                                 w = head.wp23;if (w) te_lightning2(world, w.origin, head.origin);
2716                                 w = head.wp24;if (w) te_lightning2(world, w.origin, head.origin);
2717                                 w = head.wp25;if (w) te_lightning2(world, w.origin, head.origin);
2718                                 w = head.wp26;if (w) te_lightning2(world, w.origin, head.origin);
2719                                 w = head.wp27;if (w) te_lightning2(world, w.origin, head.origin);
2720                                 w = head.wp28;if (w) te_lightning2(world, w.origin, head.origin);
2721                                 w = head.wp29;if (w) te_lightning2(world, w.origin, head.origin);
2722                                 w = head.wp30;if (w) te_lightning2(world, w.origin, head.origin);
2723                                 w = head.wp31;if (w) te_lightning2(world, w.origin, head.origin);
2724                         }
2725                 }
2726                 player = find(player, classname, "player");
2727         }
2728 };
2729
2730 entity botframe_dangerwaypoint;
2731 void botframe_updatedangerousobjects(float maxupdate)
2732 {
2733         local entity head, bot_dodgelist;
2734         local vector m1, m2, v;
2735         local float c, d, danger;
2736         c = 0;
2737         bot_dodgelist = findchainfloat(bot_dodge, TRUE);
2738         botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2739         while (botframe_dangerwaypoint != world)
2740         {
2741                 danger = 0;
2742                 m1 = botframe_dangerwaypoint.mins;
2743                 m2 = botframe_dangerwaypoint.maxs;
2744                 head = bot_dodgelist;
2745                 while (head)
2746                 {
2747                         v = head.origin;
2748                         v_x = bound(m1_x, v_x, m2_x);
2749                         v_y = bound(m1_y, v_y, m2_y);
2750                         v_z = bound(m1_z, v_z, m2_z);
2751                         d = head.bot_dodgerating - vlen(head.origin - v);
2752                         if (d > 0)
2753                         {
2754                                 traceline(head.origin, v, TRUE, world);
2755                                 if (trace_fraction == 1)
2756                                         danger = danger + d;
2757                         }
2758                         head = head.chain;
2759                 }
2760                 botframe_dangerwaypoint.dmg = danger;
2761                 c = c + 1;
2762                 if (c >= maxupdate)
2763                         break;
2764                 botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2765         }
2766 };
2767
2768
2769 float botframe_spawnedwaypoints;
2770 float botframe_nextthink;
2771 float botframe_nextdangertime;
2772
2773 float autoskill_nextthink;
2774 .float totalfrags_lastcheck;
2775 void autoskill(float factor)
2776 {
2777         float bestbot;
2778         float bestplayer;
2779         entity head;
2780
2781         bestbot = -1;
2782         bestplayer = -1;
2783         FOR_EACH_PLAYER(head)
2784         {
2785                 if(clienttype(head) == CLIENTTYPE_REAL)
2786                         bestplayer = max(bestplayer, head.totalfrags - head.totalfrags_lastcheck);
2787                 else
2788                         bestbot = max(bestbot, head.totalfrags - head.totalfrags_lastcheck);
2789         }
2790
2791         dprint("autoskill: best player got ", ftos(bestplayer), ", ");
2792         dprint("best bot got ", ftos(bestbot), "; ");
2793         if(bestbot < 0 || bestplayer < 0)
2794         {
2795                 dprint("not doing anything\n");
2796                 // don't return, let it reset all counters below
2797         }
2798         else if(bestbot <= bestplayer * factor - 2)
2799         {
2800                 if(cvar("skill") < 17)
2801                 {
2802                         dprint("2 frags difference, increasing skill\n");
2803                         cvar_set("skill", ftos(cvar("skill") + 1));
2804                         bprint("^2SKILL UP!^7 Now at level ", ftos(cvar("skill")), "\n");
2805                 }
2806         }
2807         else if(bestbot >= bestplayer * factor + 2)
2808         {
2809                 if(cvar("skill") > 0)
2810                 {
2811                         dprint("2 frags difference, decreasing skill\n");
2812                         cvar_set("skill", ftos(cvar("skill") - 1));
2813                         bprint("^1SKILL DOWN!^7 Now at level ", ftos(cvar("skill")), "\n");
2814                 }
2815         }
2816         else
2817         {
2818                 dprint("not doing anything\n");
2819                 return;
2820                 // don't reset counters, wait for them to accumulate
2821         }
2822
2823         FOR_EACH_PLAYER(head)
2824                 head.totalfrags_lastcheck = head.totalfrags;
2825 }
2826
2827 float bot_cvar_nextthink;
2828 void bot_serverframe()
2829 {
2830         float realplayers, bots, activerealplayers;
2831         entity head;
2832
2833         if (intermission_running)
2834                 return;
2835
2836         if (time < 2)
2837                 return;
2838
2839         stepheightvec = cvar("sv_stepheight") * '0 0 1';
2840
2841         if(time > autoskill_nextthink)
2842         {
2843                 float a;
2844                 a = cvar("skill_auto");
2845                 if(a)
2846                         autoskill(a);
2847                 autoskill_nextthink = time + 5;
2848         }
2849
2850         activerealplayers = 0;
2851         realplayers = 0;
2852
2853         FOR_EACH_REALCLIENT(head)
2854         {
2855                 if(head.classname == "player" || g_lms || g_arena)
2856                         ++activerealplayers;
2857                 ++realplayers;
2858         }
2859
2860         // add/remove bots if needed to make sure there are at least
2861         // minplayers+bot_number, or remove all bots if no one is playing
2862         // But don't remove bots immediately on level change, as the real players
2863         // usually haven't rejoined yet
2864         bots_would_leave = FALSE;
2865         if (realplayers || cvar("bot_join_empty") || (currentbots > 0 && time < 5))
2866         {
2867                 float realminplayers, minplayers;
2868                 realminplayers = cvar("minplayers");
2869                 minplayers = max(0, floor(realminplayers));
2870
2871                 float realminbots, minbots;
2872                 if(cvar("bot_vs_human"))
2873                         realminbots = ceil(fabs(cvar("bot_vs_human")) * activerealplayers);
2874                 else
2875                         realminbots = cvar("bot_number");
2876                 minbots = max(0, floor(realminbots));
2877
2878                 bots = min(max(minbots, minplayers - activerealplayers), maxclients - realplayers);
2879                 if(bots > minbots)
2880                         bots_would_leave = TRUE;
2881         }
2882         else
2883         {
2884                 // if there are no players, remove bots
2885                 bots = 0;
2886         }
2887
2888         bot_ignore_bots = cvar("bot_ignore_bots");
2889
2890         // only add one bot per frame to avoid utter chaos
2891         if(time > botframe_nextthink)
2892         {
2893                 //dprint(ftos(bots), " ? ", ftos(currentbots), "\n");
2894                 while (currentbots < bots)
2895                 {
2896                         if (bot_spawn() == world)
2897                         {
2898                                 bprint("Can not add bot, server full.\n");
2899                                 botframe_nextthink = time + 10;
2900                                 break;
2901                         }
2902                 }
2903                 while (currentbots > bots)
2904                         bot_removenewest();
2905         }
2906
2907         if(botframe_spawnedwaypoints)
2908         {
2909                 if(cvar("waypoint_benchmark"))
2910                         localcmd("quit\n");
2911         }
2912
2913         if (currentbots > 0 || cvar("g_waypointeditor"))
2914         if (botframe_spawnedwaypoints)
2915         {
2916                 if(botframe_cachedwaypointlinks)
2917                 {
2918                         if(!botframe_loadedforcedlinks)
2919                                 waypoint_load_links_hardwired();
2920                 }
2921                 else
2922                 {
2923                         // TODO: Make this check cleaner
2924                         local entity wp = findchain(classname, "waypoint");
2925                         if(time - wp.nextthink > 10)
2926                                 waypoint_save_links();
2927                 }
2928         }
2929         else
2930         {
2931                 botframe_spawnedwaypoints = TRUE;
2932                 waypoint_loadall();
2933                 if(!waypoint_load_links())
2934                         waypoint_schedulerelinkall();
2935         }
2936
2937         if (bot_list)
2938         {
2939                 // cycle the goal token from one bot to the next each frame
2940                 // (this prevents them from all doing spawnfunc_waypoint searches on the same
2941                 //  frame, which causes choppy framerates)
2942                 if (bot_strategytoken_taken)
2943                 {
2944                         bot_strategytoken_taken = FALSE;
2945                         if (bot_strategytoken)
2946                                 bot_strategytoken = bot_strategytoken.nextbot;
2947                         if (!bot_strategytoken)
2948                                 bot_strategytoken = bot_list;
2949                 }
2950
2951                 if (botframe_nextdangertime < time)
2952                 {
2953                         local float interval;
2954                         interval = cvar("bot_ai_dangerdetectioninterval");
2955                         if (botframe_nextdangertime < time - interval * 1.5)
2956                                 botframe_nextdangertime = time;
2957                         botframe_nextdangertime = botframe_nextdangertime + interval;
2958                         botframe_updatedangerousobjects(cvar("bot_ai_dangerdetectionupdates"));
2959                 }
2960         }
2961
2962         if (cvar("g_waypointeditor"))
2963                 botframe_showwaypointlinks();
2964
2965         if(time > bot_cvar_nextthink)
2966         {
2967                 if(currentbots>1)
2968                         bot_custom_weapon_priority_setup();
2969                 bot_cvar_nextthink = time + 5;
2970         }
2971 };