data/qcsrc/server/bots.qc

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