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 entity navigation_alternativegoal;
 370 .entity alternativegoal;
 371
 372
 373
 374
 375 /////////////////////////////////////////////////////////////////////////////
 376 // spawnfunc_waypoint management
 377 /////////////////////////////////////////////////////////////////////////////
 378
 379 // waypoints with this flag are not saved, they are automatically generated
 380 // waypoints like jump pads, teleporters, and items
 381 float WAYPOINTFLAG_GENERATED = 8388608;
 382 float WAYPOINTFLAG_ITEM = 4194304;
 383 float WAYPOINTFLAG_TELEPORT = 2097152;
 384 float WAYPOINTFLAG_NORELINK = 1048576;
 385
 386 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
 387 void waypoint_addlink(entity from, entity to)
 388 {
 389         local float c;
 390
 391         if (from == to)
 392                 return;
 393         if (from.wpflags & WAYPOINTFLAG_NORELINK)
 394                 return;
 395
 396         if (from.wp00 == to) return;if (from.wp01 == to) return;if (from.wp02 == to) return;if (from.wp03 == to) return;
 397         if (from.wp04 == to) return;if (from.wp05 == to) return;if (from.wp06 == to) return;if (from.wp07 == to) return;
 398         if (from.wp08 == to) return;if (from.wp09 == to) return;if (from.wp10 == to) return;if (from.wp11 == to) return;
 399         if (from.wp12 == to) return;if (from.wp13 == to) return;if (from.wp14 == to) return;if (from.wp15 == to) return;
 400         if (from.wp16 == to) return;if (from.wp17 == to) return;if (from.wp18 == to) return;if (from.wp19 == to) return;
 401         if (from.wp20 == to) return;if (from.wp21 == to) return;if (from.wp22 == to) return;if (from.wp23 == to) return;
 402         if (from.wp24 == to) return;if (from.wp25 == to) return;if (from.wp26 == to) return;if (from.wp27 == to) return;
 403         if (from.wp28 == to) return;if (from.wp29 == to) return;if (from.wp30 == to) return;if (from.wp31 == to) return;
 404
 405         if (to.wpisbox || from.wpisbox)
 406         {
 407                 // if either is a box we have to find the nearest points on them to
 408                 // calculate the distance properly
 409                 local vector v1, v2, m1, m2;
 410                 v1 = from.origin;
 411                 m1 = to.absmin;
 412                 m2 = to.absmax;
 413                 v1_x = bound(m1_x, v1_x, m2_x);
 414                 v1_y = bound(m1_y, v1_y, m2_y);
 415                 v1_z = bound(m1_z, v1_z, m2_z);
 416                 v2 = to.origin;
 417                 m1 = from.absmin;
 418                 m2 = from.absmax;
 419                 v2_x = bound(m1_x, v2_x, m2_x);
 420                 v2_y = bound(m1_y, v2_y, m2_y);
 421                 v2_z = bound(m1_z, v2_z, m2_z);
 422                 v2 = to.origin;
 423                 c = vlen(v2 - v1);
 424         }
 425         else
 426                 c = vlen(to.origin - from.origin);
 427
 428         if (from.wp31mincost < c) return;
 429         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
 430         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
 431         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
 432         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
 433         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
 434         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
 435         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
 436         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
 437         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
 438         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
 439         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
 440         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
 441         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
 442         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
 443         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
 444         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
 445         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
 446         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
 447         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
 448         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
 449         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
 450         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
 451         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
 452         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
 453         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
 454         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
 455         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
 456         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
 457         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
 458         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
 459         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
 460         from.wp00 = to;from.wp00mincost = c;return;
 461 };
 462
 463 // relink this spawnfunc_waypoint
 464 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
 465 // (SLOW!)
 466 void waypoint_think()
 467 {
 468         local entity e;
 469         local vector sv, sm1, sm2, ev, em1, em2, dv;
 470         //dprint("waypoint_think wpisbox = ", ftos(self.wpisbox), "\n");
 471         sm1 = self.origin + self.mins;
 472         sm2 = self.origin + self.maxs;
 473         e = find(world, classname, "waypoint");
 474         stepheightvec = cvar("sv_stepheight") * '0 0 1';
 475         while (e)
 476         {
 477                 if (boxesoverlap(self.absmin, self.absmax, e.absmin, e.absmax))
 478                 {
 479                         waypoint_addlink(self, e);
 480                         waypoint_addlink(e, self);
 481                 }
 482                 else
 483                 {
 484                         sv = e.origin;
 485                         sv_x = bound(sm1_x, sv_x, sm2_x);
 486                         sv_y = bound(sm1_y, sv_y, sm2_y);
 487                         sv_z = bound(sm1_z, sv_z, sm2_z);
 488                         ev = self.origin;
 489                         em1 = e.origin + e.mins;
 490                         em2 = e.origin + e.maxs;
 491                         ev_x = bound(em1_x, ev_x, em2_x);
 492                         ev_y = bound(em1_y, ev_y, em2_y);
 493                         ev_z = bound(em1_z, ev_z, em2_z);
 494                         dv = ev - sv;
 495                         dv_z = 0;
 496                         if (vlen(dv) < 1050) // max search distance in XY
 497                         {
 498                                 navigation_testtracewalk = 0;
 499                                 if (!self.wpisbox)
 500                                 {
 501                                         tracebox(sv - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, sv, FALSE, self);
 502                                         if (!trace_startsolid)
 503                                         {
 504                                                 //dprint("sv deviation", vtos(trace_endpos - sv), "\n");
 505                                                 sv = trace_endpos + '0 0 1';
 506                                         }
 507                                 }
 508                                 if (!e.wpisbox)
 509                                 {
 510                                         tracebox(ev - PL_MIN_z * '0 0 1', PL_MIN, PL_MAX, ev, FALSE, e);
 511                                         if (!trace_startsolid)
 512                                         {
 513                                                 //dprint("ev deviation", vtos(trace_endpos - ev), "\n");
 514                                                 ev = trace_endpos + '0 0 1';
 515                                         }
 516                                 }
 517                                 //traceline(self.origin, e.origin, FALSE, world);
 518                                 //if (trace_fraction == 1)
 519                                 if (!self.wpisbox)
 520                                 if (tracewalk(self, sv, PL_MIN, PL_MAX, ev, MOVE_NOMONSTERS))
 521                                         waypoint_addlink(self, e);
 522                                 if (!e.wpisbox)
 523                                 if (tracewalk(e, ev, PL_MIN, PL_MAX, sv, MOVE_NOMONSTERS))
 524                                         waypoint_addlink(e, self);
 525                         }
 526                 }
 527                 e = find(e, classname, "waypoint");
 528         }
 529         navigation_testtracewalk = 0;
 530 };
 531
 532 void waypoint_clearlinks(entity wp)
 533 {
 534         // clear links to other waypoints
 535         local float f;
 536         f = 10000000;
 537         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;
 538         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;
 539         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;
 540         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;
 541 };
 542
 543 // tell a spawnfunc_waypoint to relink
 544 void waypoint_schedulerelink(entity wp)
 545 {
 546         if (wp == world)
 547                 return;
 548         // TODO: add some sort of visible box in edit mode for box waypoints
 549         if (cvar("g_waypointeditor"))
 550         {
 551                 local vector m1, m2;
 552                 m1 = wp.mins;
 553                 m2 = wp.maxs;
 554                 setmodel(wp, "models/runematch/rune.mdl"); wp.effects = EF_LOWPRECISION;
 555                 setsize(wp, m1, m2);
 556                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 557                         wp.colormod = '1 0 0';
 558                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 559                         wp.colormod = '1 1 0';
 560                 else
 561                         wp.colormod = '1 1 1';
 562         }
 563         else
 564                 wp.model = "";
 565         wp.wpisbox = vlen(wp.size) > 0;
 566         wp.enemy = world;
 567         wp.owner = world;
 568         if (!(wp.wpflags & WAYPOINTFLAG_NORELINK))
 569                 waypoint_clearlinks(wp);
 570         // schedule an actual relink on next frame
 571         wp.think = waypoint_think;
 572         wp.nextthink = time;
 573         wp.effects = EF_LOWPRECISION;
 574 }
 575
 576 // create a new spawnfunc_waypoint and automatically link it to other waypoints, and link
 577 // them back to it as well
 578 // (suitable for spawnfunc_waypoint editor)
 579 entity waypoint_spawn(vector m1, vector m2, float f)
 580 {
 581         local entity w;
 582         local vector org;
 583         w = find(world, classname, "waypoint");
 584         while (w)
 585         {
 586                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
 587                 if (boxesoverlap(m1, m2, w.absmin, w.absmax))
 588                         return w;
 589                 w = find(w, classname, "waypoint");
 590         }
 591         w = spawn();
 592         w.classname = "waypoint";
 593         w.wpflags = f;
 594         setorigin(w, (m1 + m2) * 0.5);
 595         setsize(w, m1 - w.origin, m2 - w.origin);
 596         if (vlen(w.size) > 0)
 597                 w.wpisbox = TRUE;
 598
 599         if(!(f & WAYPOINTFLAG_GENERATED))
 600         if(!w.wpisbox)
 601         {
 602                 traceline(w.origin + '0 0 1', w.origin + PL_MIN_z * '0 0 1' - '0 0 1', MOVE_NOMONSTERS, w);
 603                 if (trace_fraction < 1)
 604                         setorigin(w, trace_endpos - PL_MIN_z * '0 0 1');
 605
 606                 // check if the start position is stuck
 607                 tracebox(w.origin, PL_MIN + '-1 -1 -1', PL_MAX + '1 1 1', w.origin, MOVE_NOMONSTERS, w);
 608                 if (trace_startsolid)
 609                 {
 610                         org = w.origin + '0 0 26';
 611                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 612                         if(trace_startsolid)
 613                         {
 614                                 org = w.origin + '2 2 2';
 615                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 616                                 if(trace_startsolid)
 617                                 {
 618                                         org = w.origin + '-2 -2 2';
 619                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 620                                         if(trace_startsolid)
 621                                         {
 622                                                 org = w.origin + '-2 2 2';
 623                                                 tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 624                                                 if(trace_startsolid)
 625                                                 {
 626                                                         org = w.origin + '2 -2 2';
 627                                                         tracebox(org, PL_MIN, PL_MAX, w.origin, MOVE_WORLDONLY, w);
 628                                                         if(trace_startsolid)
 629                                                         {
 630                                                                 // this WP is in solid, refuse it
 631                                                                 dprint("Killed a waypoint that was stuck in solid at ", vtos(org), "\n");
 632                                                                 remove(w);
 633                                                                 return world;
 634                                                         }
 635                                                 }
 636                                         }
 637                                 }
 638                         }
 639                         setorigin(w, org * 0.05 + trace_endpos * 0.95); // don't trust the trace fully
 640                 }
 641
 642                 tracebox(w.origin, PL_MIN, PL_MAX, w.origin - '0 0 128', MOVE_WORLDONLY, w);
 643                 if(trace_startsolid)
 644                 {
 645                         dprint("Killed a waypoint that was stuck in solid ", vtos(w.origin), "\n");
 646                         remove(w);
 647                         return world;
 648                 }
 649                 if (!trace_inwater)
 650                 {
 651                         if(trace_fraction == 1)
 652                         {
 653                                 dprint("Killed a waypoint that was stuck in air at ", vtos(w.origin), "\n");
 654                                 remove(w);
 655                                 return world;
 656                         }
 657                         trace_endpos_z += 0.1; // don't trust the trace fully
 658 //                      dprint("Moved waypoint at ", vtos(w.origin), " by ", ftos(vlen(w.origin - trace_endpos)));
 659 //                      dprint(" direction: ", vtos((trace_endpos - w.origin)), "\n");
 660                         setorigin(w, trace_endpos);
 661                 }
 662         }
 663
 664         waypoint_clearlinks(w);
 665         //waypoint_schedulerelink(w);
 666         return w;
 667 };
 668
 669 // spawnfunc_waypoint map entity
 670 void spawnfunc_waypoint()
 671 {
 672         setorigin(self, self.origin);
 673         // schedule a relink after other waypoints have had a chance to spawn
 674         waypoint_clearlinks(self);
 675         //waypoint_schedulerelink(self);
 676 };
 677
 678 // remove a spawnfunc_waypoint, and schedule all neighbors to relink
 679 void waypoint_remove(entity e)
 680 {
 681         // tell all linked waypoints that they need to relink
 682         waypoint_schedulerelink(e.wp00);
 683         waypoint_schedulerelink(e.wp01);
 684         waypoint_schedulerelink(e.wp02);
 685         waypoint_schedulerelink(e.wp03);
 686         waypoint_schedulerelink(e.wp04);
 687         waypoint_schedulerelink(e.wp05);
 688         waypoint_schedulerelink(e.wp06);
 689         waypoint_schedulerelink(e.wp07);
 690         waypoint_schedulerelink(e.wp08);
 691         waypoint_schedulerelink(e.wp09);
 692         waypoint_schedulerelink(e.wp10);
 693         waypoint_schedulerelink(e.wp11);
 694         waypoint_schedulerelink(e.wp12);
 695         waypoint_schedulerelink(e.wp13);
 696         waypoint_schedulerelink(e.wp14);
 697         waypoint_schedulerelink(e.wp15);
 698         waypoint_schedulerelink(e.wp16);
 699         waypoint_schedulerelink(e.wp17);
 700         waypoint_schedulerelink(e.wp18);
 701         waypoint_schedulerelink(e.wp19);
 702         waypoint_schedulerelink(e.wp20);
 703         waypoint_schedulerelink(e.wp21);
 704         waypoint_schedulerelink(e.wp22);
 705         waypoint_schedulerelink(e.wp23);
 706         waypoint_schedulerelink(e.wp24);
 707         waypoint_schedulerelink(e.wp25);
 708         waypoint_schedulerelink(e.wp26);
 709         waypoint_schedulerelink(e.wp27);
 710         waypoint_schedulerelink(e.wp28);
 711         waypoint_schedulerelink(e.wp29);
 712         waypoint_schedulerelink(e.wp30);
 713         waypoint_schedulerelink(e.wp31);
 714         // and now remove the spawnfunc_waypoint
 715         remove(e);
 716 };
 717
 718 // empties the map of waypoints
 719 void waypoint_removeall()
 720 {
 721         local entity head, next;
 722         head = findchain(classname, "waypoint");
 723         while (head)
 724         {
 725                 next = head.chain;
 726                 remove(head);
 727                 head = next;
 728         }
 729 };
 730
 731 // tell all waypoints to relink
 732 // (is this useful at all?)
 733 void waypoint_schedulerelinkall()
 734 {
 735         local entity head;
 736         head = findchain(classname, "waypoint");
 737         while (head)
 738         {
 739                 waypoint_schedulerelink(head);
 740                 head = head.chain;
 741         }
 742 };
 743
 744 // save waypoints to gamedir/data/maps/mapname.waypoints
 745 // TODO: support saving wayboxes
 746 void waypoint_saveall()
 747 {
 748         local string filename, s;
 749         local float file, c;
 750         local entity w;
 751         filename = strcat("maps/", mapname);
 752         filename = strcat(filename, ".waypoints");
 753         file = fopen(filename, FILE_WRITE);
 754         if (file >= 0)
 755         {
 756                 c = 0;
 757                 w = findchain(classname, "waypoint");
 758                 while (w)
 759                 {
 760                         if (!(w.wpflags & WAYPOINTFLAG_GENERATED))
 761                         {
 762                                 s = strcat(vtos(w.origin + w.mins), "\n");
 763                                 s = strcat(s, vtos(w.origin + w.maxs));
 764                                 s = strcat(s, "\n");
 765                                 s = strcat(s, ftos(w.wpflags));
 766                                 s = strcat(s, "\n");
 767                                 fputs(file, s);
 768                                 c = c + 1;
 769                         }
 770                         w = w.chain;
 771                 }
 772                 fclose(file);
 773                 bprint("saved ");
 774                 bprint(ftos(c));
 775                 bprint(" waypoints to maps/");
 776                 bprint(mapname);
 777                 bprint(".waypoints\n");
 778         }
 779         else
 780         {
 781                 bprint("waypoint save to ");
 782                 bprint(filename);
 783                 bprint(" failed\n");
 784         }
 785 };
 786
 787 // load waypoints from file
 788 float waypoint_loadall()
 789 {
 790         local string filename, s;
 791         local float file, cwp, cwb, fl;
 792         local vector m1, m2;
 793         cwp = 0;
 794         cwb = 0;
 795         filename = strcat("maps/", mapname);
 796         filename = strcat(filename, ".waypoints");
 797         file = fopen(filename, FILE_READ);
 798         if (file >= 0)
 799         {
 800                 while (1)
 801                 {
 802                         s = fgets(file);
 803                         if (!s)
 804                                 break;
 805                         m1 = stov(s);
 806                         s = fgets(file);
 807                         if (!s)
 808                                 break;
 809                         m2 = stov(s);
 810                         s = fgets(file);
 811                         if (!s)
 812                                 break;
 813                         fl = stof(s);
 814                         waypoint_spawn(m1, m2, fl);
 815                         if (m1 == m2)
 816                                 cwp = cwp + 1;
 817                         else
 818                                 cwb = cwb + 1;
 819                 }
 820                 fclose(file);
 821                 dprint("loaded ");
 822                 dprint(ftos(cwp));
 823                 dprint(" waypoints and ");
 824                 dprint(ftos(cwb));
 825                 dprint(" wayboxes from maps/");
 826                 dprint(mapname);
 827                 dprint(".waypoints\n");
 828         }
 829         else
 830         {
 831                 dprint("waypoint load from ");
 832                 dprint(filename);
 833                 dprint(" failed\n");
 834         }
 835         return cwp + cwb;
 836 };
 837
 838 void waypoint_spawnforitem(entity e)
 839 {
 840         local entity w;
 841         local vector org;
 842
 843         if(!bot_waypoints_for_items)
 844                 return;
 845
 846         org = e.origin + (e.mins + e.maxs) * 0.5;
 847         org_z = e.origin_z + e.mins_z - PL_MIN_z + 1;
 848         e.nearestwaypointtimeout = time + 1000000000;
 849         // don't spawn an item spawnfunc_waypoint if it already exists
 850         w = findchain(classname, "waypoint");
 851         while (w)
 852         {
 853                 if (w.wpisbox)
 854                 {
 855                         if (boxesoverlap(org, org, w.absmin, w.absmax))
 856                         {
 857                                 e.nearestwaypoint = w;
 858                                 return;
 859                         }
 860                 }
 861                 else
 862                 {
 863                         if (vlen(w.origin - org) < 16)
 864                         {
 865                                 e.nearestwaypoint = w;
 866                                 return;
 867                         }
 868                 }
 869                 w = w.chain;
 870         }
 871         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
 872 };
 873
 874 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken)
 875 {
 876         local entity w;
 877         local entity dw;
 878         w = waypoint_spawn(e.absmin, e.absmax, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_TELEPORT | WAYPOINTFLAG_NORELINK);
 879         dw = waypoint_spawn(destination, destination, WAYPOINTFLAG_GENERATED);
 880         // one way link to the destination
 881         w.wp00 = dw;
 882         w.wp00mincost = timetaken; // this is just for jump pads
 883         // the teleporter's nearest spawnfunc_waypoint is this one
 884         // (teleporters are not goals, so this is probably useless)
 885         e.nearestwaypoint = w;
 886         e.nearestwaypointtimeout = time + 1000000000;
 887 };
 888
 889
 890
 891
 892
 893 /////////////////////////////////////////////////////////////////////////////
 894 // goal stack
 895 /////////////////////////////////////////////////////////////////////////////
 896
 897 // completely empty the goal stack, used when deciding where to go
 898 void navigation_clearroute()
 899 {
 900         self.goalcurrent = world;
 901         self.goalstack01 = world;
 902         self.goalstack02 = world;
 903         self.goalstack03 = world;
 904         self.goalstack04 = world;
 905         self.goalstack05 = world;
 906         self.goalstack06 = world;
 907         self.goalstack07 = world;
 908         self.goalstack08 = world;
 909         self.goalstack09 = world;
 910         self.goalstack10 = world;
 911         self.goalstack11 = world;
 912         self.goalstack12 = world;
 913         self.goalstack13 = world;
 914         self.goalstack14 = world;
 915         self.goalstack15 = world;
 916         self.goalstack16 = world;
 917         self.goalstack17 = world;
 918         self.goalstack18 = world;
 919         self.goalstack19 = world;
 920         self.goalstack20 = world;
 921         self.goalstack21 = world;
 922         self.goalstack22 = world;
 923         self.goalstack23 = world;
 924         self.goalstack24 = world;
 925         self.goalstack25 = world;
 926         self.goalstack26 = world;
 927         self.goalstack27 = world;
 928         self.goalstack28 = world;
 929         self.goalstack29 = world;
 930         self.goalstack30 = world;
 931         self.goalstack31 = world;
 932 };
 933
 934 // add a new goal at the beginning of the stack
 935 // (in other words: add a new prerequisite before going to the later goals)
 936 void navigation_pushroute(entity e)
 937 {
 938         self.goalstack31 = self.goalstack30;
 939         self.goalstack30 = self.goalstack29;
 940         self.goalstack29 = self.goalstack28;
 941         self.goalstack28 = self.goalstack27;
 942         self.goalstack27 = self.goalstack26;
 943         self.goalstack26 = self.goalstack25;
 944         self.goalstack25 = self.goalstack24;
 945         self.goalstack24 = self.goalstack23;
 946         self.goalstack23 = self.goalstack22;
 947         self.goalstack22 = self.goalstack21;
 948         self.goalstack21 = self.goalstack20;
 949         self.goalstack20 = self.goalstack19;
 950         self.goalstack19 = self.goalstack18;
 951         self.goalstack18 = self.goalstack17;
 952         self.goalstack17 = self.goalstack16;
 953         self.goalstack16 = self.goalstack15;
 954         self.goalstack15 = self.goalstack14;
 955         self.goalstack14 = self.goalstack13;
 956         self.goalstack13 = self.goalstack12;
 957         self.goalstack12 = self.goalstack11;
 958         self.goalstack11 = self.goalstack10;
 959         self.goalstack10 = self.goalstack09;
 960         self.goalstack09 = self.goalstack08;
 961         self.goalstack08 = self.goalstack07;
 962         self.goalstack07 = self.goalstack06;
 963         self.goalstack06 = self.goalstack05;
 964         self.goalstack05 = self.goalstack04;
 965         self.goalstack04 = self.goalstack03;
 966         self.goalstack03 = self.goalstack02;
 967         self.goalstack02 = self.goalstack01;
 968         self.goalstack01 = self.goalcurrent;
 969         self.goalcurrent = e;
 970 };
 971
 972 // remove first goal from stack
 973 // (in other words: remove a prerequisite for reaching the later goals)
 974 // (used when a spawnfunc_waypoint is reached)
 975 void navigation_poproute()
 976 {
 977         self.goalcurrent = self.goalstack01;
 978         self.goalstack01 = self.goalstack02;
 979         self.goalstack02 = self.goalstack03;
 980         self.goalstack03 = self.goalstack04;
 981         self.goalstack04 = self.goalstack05;
 982         self.goalstack05 = self.goalstack06;
 983         self.goalstack06 = self.goalstack07;
 984         self.goalstack07 = self.goalstack08;
 985         self.goalstack08 = self.goalstack09;
 986         self.goalstack09 = self.goalstack10;
 987         self.goalstack10 = self.goalstack11;
 988         self.goalstack11 = self.goalstack12;
 989         self.goalstack12 = self.goalstack13;
 990         self.goalstack13 = self.goalstack14;
 991         self.goalstack14 = self.goalstack15;
 992         self.goalstack15 = self.goalstack16;
 993         self.goalstack16 = self.goalstack17;
 994         self.goalstack17 = self.goalstack18;
 995         self.goalstack18 = self.goalstack19;
 996         self.goalstack19 = self.goalstack20;
 997         self.goalstack20 = self.goalstack21;
 998         self.goalstack21 = self.goalstack22;
 999         self.goalstack22 = self.goalstack23;
1000         self.goalstack23 = self.goalstack24;
1001         self.goalstack24 = self.goalstack25;
1002         self.goalstack25 = self.goalstack26;
1003         self.goalstack26 = self.goalstack27;
1004         self.goalstack27 = self.goalstack28;
1005         self.goalstack28 = self.goalstack29;
1006         self.goalstack29 = self.goalstack30;
1007         self.goalstack30 = self.goalstack31;
1008         self.goalstack31 = world;
1009 };
1010
1011 // find the spawnfunc_waypoint near a dynamic goal such as a dropped weapon
1012 entity navigation_findnearestwaypoint(entity player, float walkfromwp)
1013 {
1014         local entity waylist, w, best;
1015         local float dist, bestdist;
1016         local vector v, org, pm1, pm2;
1017         pm1 = player.origin + PL_MIN;
1018         pm2 = player.origin + PL_MAX;
1019         waylist = findchain(classname, "waypoint");
1020         // do two scans, because box test is cheaper
1021         w = waylist;
1022         while (w)
1023         {
1024                 // if object is touching spawnfunc_waypoint
1025                 if (boxesoverlap(pm1, pm2, w.absmin, w.absmax))
1026                         return w;
1027                 w = w.chain;
1028         }
1029
1030         org = player.origin + (player.mins_z - PL_MIN_z) * '0 0 1';
1031         if(player.tag_entity)
1032                 org = org + player.tag_entity.origin;
1033         if (navigation_testtracewalk)
1034                 te_plasmaburn(org);
1035         best = world;
1036         bestdist = 1050;
1037
1038         // box check failed, try walk
1039         w = waylist;
1040         while (w)
1041         {
1042                 // if object can walk from spawnfunc_waypoint
1043                 if (w.wpisbox)
1044                 {
1045                         local vector wm1, wm2;
1046                         wm1 = w.origin + w.mins;
1047                         wm2 = w.origin + w.maxs;
1048                         v_x = bound(wm1_x, org_x, wm2_x);
1049                         v_y = bound(wm1_y, org_y, wm2_y);
1050                         v_z = bound(wm1_z, org_z, wm2_z);
1051                 }
1052                 else
1053                         v = w.origin;
1054                 dist = vlen(v - org);
1055                 if (bestdist > dist)
1056                 {
1057                         if (walkfromwp)
1058                         {
1059                                 traceline(v, org, TRUE, player);
1060                                 if (trace_fraction == 1)
1061                                 if (tracewalk(player, v, PL_MIN, PL_MAX, org, MOVE_NORMAL))
1062                                 {
1063                                         bestdist = dist;
1064                                         best = w;
1065                                 }
1066                         }
1067                         else
1068                         {
1069                                 traceline(v, org, TRUE, player);
1070                                 if (trace_fraction == 1)
1071                                 if (tracewalk(player, org, PL_MIN, PL_MAX, v, MOVE_NORMAL))
1072                                 {
1073                                         bestdist = dist;
1074                                         best = w;
1075                                 }
1076                         }
1077                 }
1078                 w = w.chain;
1079         }
1080         return best;
1081 }
1082
1083 // finds the waypoints near the bot initiating a navigation query
1084 float navigation_markroutes_nearestwaypoints(entity waylist, float maxdist)
1085 {
1086         local entity head;
1087         local vector v, m1, m2, diff;
1088         local float c;
1089         //navigation_testtracewalk = TRUE;
1090         c = 0;
1091         head = waylist;
1092         while (head)
1093         {
1094                 if (!head.wpconsidered)
1095                 {
1096                         if (head.wpisbox)
1097                         {
1098                                 m1 = head.origin + head.mins;
1099                                 m2 = head.origin + head.maxs;
1100                                 v = self.origin;
1101                                 v_x = bound(m1_x, v_x, m2_x);
1102                                 v_y = bound(m1_y, v_y, m2_y);
1103                                 v_z = bound(m1_z, v_z, m2_z);
1104                         }
1105                         else
1106                                 v = head.origin;
1107                         diff = v - self.origin;
1108                         diff_z = max(0, diff_z);
1109                         if (vlen(diff) < maxdist)
1110                         {
1111                                 head.wpconsidered = TRUE;
1112                                 if (tracewalk(self, self.origin, self.mins, self.maxs, v, MOVE_NORMAL))
1113                                 {
1114                                         head.wpnearestpoint = v;
1115                                         head.wpcost = vlen(v - self.origin) + head.dmg;
1116                                         head.wpfire = 1;
1117                                         head.enemy = world;
1118                                         c = c + 1;
1119                                 }
1120                         }
1121                 }
1122                 head = head.chain;
1123         }
1124         //navigation_testtracewalk = FALSE;
1125         return c;
1126 }
1127
1128 // updates a path link if a spawnfunc_waypoint link is better than the current one
1129 void navigation_markroutes_checkwaypoint(entity w, entity wp, float cost2, vector p)
1130 {
1131         local vector m1;
1132         local vector m2;
1133         local vector v;
1134         if (wp.wpisbox)
1135         {
1136                 m1 = wp.absmin;
1137                 m2 = wp.absmax;
1138                 v_x = bound(m1_x, p_x, m2_x);
1139                 v_y = bound(m1_y, p_y, m2_y);
1140                 v_z = bound(m1_z, p_z, m2_z);
1141         }
1142         else
1143                 v = wp.origin;
1144         cost2 = cost2 + vlen(v);
1145         if (wp.wpcost > cost2)
1146         {
1147                 wp.wpcost = cost2;
1148                 wp.enemy = w;
1149                 wp.wpfire = 1;
1150                 wp.wpnearestpoint = v;
1151         }
1152 };
1153
1154 // queries the entire spawnfunc_waypoint network for pathes leading away from the bot
1155 void navigation_markroutes()
1156 {
1157         local entity w, wp, waylist;
1158         local float searching, cost, cost2;
1159         local vector p;
1160         w = waylist = findchain(classname, "waypoint");
1161         while (w)
1162         {
1163                 w.wpconsidered = FALSE;
1164                 w.wpnearestpoint = '0 0 0';
1165                 w.wpcost = 10000000;
1166                 w.wpfire = 0;
1167                 w.enemy = world;
1168                 w = w.chain;
1169         }
1170         // try a short range search for the nearest waypoints, and expand the
1171         // search repeatedly if none are found
1172         if (!navigation_markroutes_nearestwaypoints(waylist, 250))
1173                 if (!navigation_markroutes_nearestwaypoints(waylist, 1000))
1174                         navigation_markroutes_nearestwaypoints(waylist, 1000000);
1175         searching = TRUE;
1176         while (searching)
1177         {
1178                 searching = FALSE;
1179                 w = waylist;
1180                 while (w)
1181                 {
1182                         if (w.wpfire)
1183                         {
1184                                 searching = TRUE;
1185                                 w.wpfire = 0;
1186                                 cost = w.wpcost;
1187                                 p = w.wpnearestpoint;
1188                                 wp = w.wp00;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp00mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1189                                 wp = w.wp01;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp01mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1190                                 wp = w.wp02;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp02mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1191                                 wp = w.wp03;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp03mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1192                                 wp = w.wp04;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp04mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1193                                 wp = w.wp05;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp05mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1194                                 wp = w.wp06;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp06mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1195                                 wp = w.wp07;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp07mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1196                                 wp = w.wp08;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp08mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1197                                 wp = w.wp09;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp09mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1198                                 wp = w.wp10;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp10mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1199                                 wp = w.wp11;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp11mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1200                                 wp = w.wp12;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp12mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1201                                 wp = w.wp13;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp13mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1202                                 wp = w.wp14;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp14mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1203                                 wp = w.wp15;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp15mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1204                                 wp = w.wp16;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp16mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1205                                 wp = w.wp17;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp17mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1206                                 wp = w.wp18;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp18mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1207                                 wp = w.wp19;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp19mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1208                                 wp = w.wp20;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp20mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1209                                 wp = w.wp21;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp21mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1210                                 wp = w.wp22;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp22mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1211                                 wp = w.wp23;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp23mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1212                                 wp = w.wp24;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp24mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1213                                 wp = w.wp25;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp25mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1214                                 wp = w.wp26;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp26mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1215                                 wp = w.wp27;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp27mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1216                                 wp = w.wp28;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp28mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1217                                 wp = w.wp29;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp29mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1218                                 wp = w.wp30;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp30mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1219                                 wp = w.wp31;if (wp){cost2 = cost + wp.dmg;if (wp.wpcost > cost2 + wp.wp31mincost) navigation_markroutes_checkwaypoint(w, wp, cost2, p);
1220                                 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
1221                         }
1222                         w = w.chain;
1223                 }
1224         }
1225 };
1226
1227 // updates the best goal according to a weighted calculation of travel cost and item value of a new proposed item
1228 .void() havocbot_role;
1229 void() havocbot_role_ctf_offense;
1230 void navigation_routerating(entity e, float f, float rangebias)
1231 {
1232         if (!e)
1233                 return;
1234         //te_wizspike(e.origin);
1235         //bprint(etos(e));
1236         //bprint("\n");
1237         // update the cached spawnfunc_waypoint link on a dynamic item entity
1238         if (time > e.nearestwaypointtimeout)
1239         {
1240                 e.nearestwaypoint = navigation_findnearestwaypoint(e, TRUE);
1241                 e.nearestwaypointtimeout = time + random() * 3 + 5;
1242         }
1243         //dprint(e.classname, " ", ftos(f));
1244         //dprint("-- checking ", e.classname, " (with cost ", ftos(e.nearestwaypoint.wpcost), ")\n");
1245         if (e.nearestwaypoint)
1246         if (e.nearestwaypoint.wpcost < 10000000)
1247         {
1248                 //te_wizspike(e.nearestwaypoint.wpnearestpoint);
1249                 //dprint(e.classname, " ", ftos(f), "/(1+", ftos((e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint))), "/", ftos(rangebias), ") = ");
1250                 f = f * rangebias / (rangebias + (e.nearestwaypoint.wpcost + vlen(e.origin - e.nearestwaypoint.wpnearestpoint)));
1251                 //if (self.havocbot_role == havocbot_role_ctf_offense)
1252                 //      dprint("-- considering ", e.classname, " (with rating ", ftos(f), ")\n");
1253                 //dprint(ftos(f));
1254                 if (navigation_bestrating < f)
1255                 {
1256                         navigation_alternativegoal = navigation_bestgoal;
1257                         navigation_bestrating = f;
1258                         navigation_bestgoal = e;
1259                 }
1260         }
1261         //dprint("\n");
1262 };
1263
1264 // replaces the goal stack with the path to a given item
1265 void navigation_routetogoal(entity e)
1266 {
1267         // if already going to this goal, don't stop
1268         //if (self.goalentity == e)
1269         //      return;
1270         // clear the route and add the new one
1271         navigation_clearroute();
1272         self.goalentity = e;
1273         // if there is no goal, just exit
1274         if (!e)
1275                 return;
1276         // put the entity on the goal stack as the only item
1277         navigation_pushroute(e);
1278         //te_smallflash((e.absmin + e.absmax) * 0.5);
1279         //bprint("navigation_routetogoal(");
1280         //bprint(etos(e));
1281         //bprint(") : ");
1282         //bprint(etos(e));
1283         //tracebox(self.origin, '-16 -16 0', '16 16 0', e.origin, TRUE, self);
1284         //if (trace_fraction == 1)
1285         if (tracewalk(self, self.origin, PL_MIN, PL_MAX, e.origin, MOVE_NORMAL))
1286                 return;
1287         // see if there are waypoints describing a path to the item
1288         e = e.nearestwaypoint;
1289         while (e != world)
1290         {
1291                 //bprint(" ");
1292                 //bprint(etos(e));
1293                 //te_smallflash((e.absmin + e.absmax) * 0.5);
1294                 //tracebox(self.origin, '-16 -16 0', '16 16 0', e.origin, TRUE, self);
1295                 //if (trace_fraction == 1)
1296                 //if (tracewalk(self, self.origin, PL_MIN, PL_MAX, e.origin, MOVE_NORMAL))
1297                 //      break;
1298                 // add the spawnfunc_waypoint to the path
1299                 navigation_pushroute(e);
1300                 e = e.enemy;
1301         }
1302         //bprint("\n");
1303 };
1304
1305 // removes any currently touching waypoints from the goal stack
1306 // (this is how bots detect if they have reached a goal)
1307 void navigation_poptouchedgoals()
1308 {
1309         local vector org, m1, m2;
1310         org = self.origin;// + self.velocity * 0.1;
1311         m1 = org + self.mins;
1312         m2 = org + self.maxs;
1313         while (self.goalcurrent && boxesoverlap(m1, m2, self.goalcurrent.absmin, self.goalcurrent.absmax))
1314                 navigation_poproute();
1315 }
1316
1317 // begin a goal selection session (queries spawnfunc_waypoint network)
1318 void navigation_goalrating_start()
1319 {
1320         navigation_bestrating = -1;
1321         navigation_bestgoal = world;
1322         navigation_markroutes();
1323 };
1324
1325 // ends a goal selection session (updates goal stack to the best goal)
1326 void navigation_goalrating_end()
1327 {
1328         if (self.havocbot_role == havocbot_role_ctf_offense)
1329                 dprint(navigation_bestgoal.classname, " (with rating ", ftos(navigation_bestrating), ")\n");
1330         self.alternativegoal = navigation_alternativegoal;
1331         navigation_routetogoal(navigation_bestgoal);
1332 };
1333
1334
1335
1336
1337
1338 //////////////////////////////////////////////////////////////////////////////
1339 // general bot functions
1340 //////////////////////////////////////////////////////////////////////////////
1341
1342 .float isbot; // true if this client is actually a bot
1343
1344 float skill;
1345 entity bot_list;
1346 .entity nextbot;
1347
1348 float sv_maxspeed;
1349 .float createdtime;
1350
1351 .float bot_preferredcolors;
1352
1353 .float bot_attack;
1354 .float bot_dodge;
1355 .float bot_dodgerating;
1356
1357 //.float bot_painintensity;
1358 .float bot_firetimer;
1359 //.float bot_oldhealth;
1360 .void() bot_ai;
1361
1362 .entity bot_aimtarg;
1363 .float bot_aimlatency;
1364 .vector bot_aimselforigin;
1365 .vector bot_aimselfvelocity;
1366 .vector bot_aimtargorigin;
1367 .vector bot_aimtargvelocity;
1368
1369 .float bot_pickup;
1370 .float(entity player, entity item) bot_pickupevalfunc;
1371 .float bot_pickupbasevalue;
1372 .float bot_canfire;
1373 .float bot_strategytime;
1374
1375 // used for aiming currently
1376 // FIXME: make the weapon code use these and then replace the calculations here with a call to the weapon code
1377 vector shotorg;
1378 vector shotdir;
1379
1380 const float BOTSKINS = 19;
1381 const float BOTNAMES = 32;
1382 string bot_namefornumber(float r)
1383 {
1384         if (r <  1) return "Thunderstorm";
1385         if (r <  2) return "Darkness";
1386         if (r <  3) return "Scorcher";
1387         if (r <  4) return "Paranoia";
1388         if (r <  5) return "Eureka";
1389         if (r <  6) return "Mystery";
1390         if (r <  7) return "Toxic";
1391         if (r <  8) return "Dominion";
1392         if (r <  9) return "Pegasus";
1393         if (r < 10) return "Sensible";
1394         if (r < 11) return "Gator";
1395         if (r < 12) return "Kangaroo";
1396         if (r < 13) return "Deadline";
1397         if (r < 14) return "Frosty";
1398         if (r < 15) return "Roadkill";
1399         if (r < 16) return "Death";
1400         if (r < 17) return "Panic";
1401         if (r < 18) return "Discovery";
1402         if (r < 19) return "Shadow";
1403         if (r < 20) return "Acidic";
1404         if (r < 21) return "Dominator";
1405         if (r < 22) return "Hellfire";
1406         if (r < 23) return "Necrotic";
1407         if (r < 24) return "Newbie";
1408         if (r < 25) return "Spellbinder";
1409         if (r < 26) return "Lion";
1410         if (r < 27) return "Controlled";
1411         if (r < 28) return "Airhead";
1412         if (r < 29) return "Delirium";
1413         if (r < 30) return "Resurrection";
1414         if (r < 31) return "Danger";
1415         return "Flatline";
1416 };
1417
1418 string bot_skinfornumber(float r)
1419 {
1420              if (r <  1) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "0";return "Carni"          ;}
1421         else if (r <  2) {self.playermodel = "models/player/carni.zym"          ;self.playerskin = "1";return "Armored Carni"  ;}
1422         else if (r <  3) {self.playermodel = "models/player/crash.zym"          ;self.playerskin = "0";return "Quark"          ;}
1423         else if (r <  4) {self.playermodel = "models/player/grunt.zym"          ;self.playerskin = "0";return "Grunt"          ;}
1424         else if (r <  5) {self.playermodel = "models/player/headhunter.zym"     ;self.playerskin = "0";return "HeadHunter"     ;}
1425         else if (r <  6) {self.playermodel = "models/player/insurrectionist.zym";self.playerskin = "0";return "Insurrectionist";}
1426         else if (r <  7) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "0";return "Lurk"           ;}
1427         else if (r <  8) {self.playermodel = "models/player/lurk.zym"           ;self.playerskin = "1";return "Reptile"        ;}
1428         else if (r <  9) {self.playermodel = "models/player/lycanthrope.zym"    ;self.playerskin = "0";return "Lycanthrope"    ;}
1429         else if (r < 10) {self.playermodel = "models/player/marine.zym"         ;self.playerskin = "0";return "Marine"         ;}
1430         else if (r < 11) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "0";return "Nexus"          ;}
1431         else if (r < 12) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "1";return "Mulder"         ;}
1432         else if (r < 13) {self.playermodel = "models/player/nexus.zym"          ;self.playerskin = "2";return "Xolar"          ;}
1433         else if (r < 14) {self.playermodel = "models/player/pyria.zym"          ;self.playerskin = "0";return "Pyria"          ;}
1434         else if (r < 15) {self.playermodel = "models/player/shock.zym"          ;self.playerskin = "0";return "Shock"          ;}
1435         else if (r < 16) {self.playermodel = "models/player/skadi.zym"          ;self.playerskin = "0";return "Skadi"          ;}
1436         else if (r < 17) {self.playermodel = "models/player/specop.zym"         ;self.playerskin = "0";return "Specop"         ;}
1437         else             {self.playermodel = "models/player/visitant.zym"       ;self.playerskin = "0";return "Fricka"         ;}
1438 };
1439
1440 void bot_setnameandstuff()
1441 {
1442         local string name, prefix, suffix;
1443         local float r, b, shirt, pants;
1444
1445         prefix = cvar_string("bot_prefix");
1446         suffix = cvar_string("bot_suffix");
1447
1448         // this is really only a default, JoinBestTeam is called later
1449         pants = floor(random() * 15);
1450         shirt = floor(random() * 15);
1451         //shirt = pants;
1452         setcolor(self, shirt * 16 + pants);
1453         self.bot_preferredcolors = self.clientcolors;
1454
1455         // now pick a name...
1456
1457         if (cvar("bot_usemodelnames"))
1458         {
1459                 // first see if all skins are taken
1460                 b = 0;
1461                 do
1462                 {
1463                         name = bot_skinfornumber(b);
1464                         b = b + 1;
1465                 }
1466                 while (b < BOTSKINS && find(world, netname, name));
1467
1468                 // randomly pick a skin, if it's taken either repeat until we find one,
1469                 // or give up if we already know all skins are taken
1470                 do
1471                 {
1472                         r = floor(random() * BOTSKINS);
1473                         name = bot_skinfornumber(r);
1474                 }
1475                 while (b < BOTSKINS && find(world, netname, name));
1476         }
1477         else
1478         {
1479                 // first see if all names are taken
1480                 b = 0;
1481                 do
1482                 {
1483                         name = bot_namefornumber(b);
1484                         b = b + 1;
1485                 }
1486                 while (b < BOTNAMES && find(world, netname, name));
1487
1488                 // randomly pick a name, if it's taken either repeat until we find one,
1489                 // or give up if we already know all names are taken
1490                 do
1491                 {
1492                         r = floor(random() * BOTNAMES);
1493                         name = bot_namefornumber(r);
1494                 }
1495                 while (b < BOTNAMES && find(world, netname, name));
1496
1497                 // randomly pick a skin
1498                 bot_skinfornumber(floor(random() * BOTSKINS));
1499         }
1500         if(!cvar("g_campaign"))
1501                 self.netname = self.netname_freeme = strzone(strcat(prefix, name, suffix));
1502         else
1503                 self.netname = name;
1504 };
1505
1506 float bot_custom_weapon;
1507 float bot_distance_far;
1508 float bot_distance_close;
1509
1510 float bot_weapons_far[WEP_LAST];
1511 float bot_weapons_mid[WEP_LAST];
1512 float bot_weapons_close[WEP_LAST];
1513
1514 void bot_custom_weapon_priority_setup()
1515 {
1516         local float tokens, i, c, w;
1517
1518         bot_custom_weapon = FALSE;
1519
1520         if(     cvar_string("bot_ai_custom_weapon_priority_far") == "" ||
1521                 cvar_string("bot_ai_custom_weapon_priority_mid") == "" ||
1522                 cvar_string("bot_ai_custom_weapon_priority_close") == "" ||
1523                 cvar_string("bot_ai_custom_weapon_priority_distances") == ""
1524         )
1525                 return;
1526
1527         // Parse distances
1528         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_distances")," ");
1529
1530         if (tokens!=2)
1531                 return;
1532
1533         bot_distance_far = stof(argv(0));
1534         bot_distance_close = stof(argv(1));
1535
1536         if(bot_distance_far < bot_distance_close){
1537                 bot_distance_far = stof(argv(1));
1538                 bot_distance_close = stof(argv(0));
1539         }
1540
1541         // Initialize list of weapons
1542         bot_weapons_far[0] = -1;
1543         bot_weapons_mid[0] = -1;
1544         bot_weapons_close[0] = -1;
1545
1546         // Parse far distance weapon priorities
1547         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_far")," ");
1548
1549         c = 0;
1550         for(i=0; i < tokens && i < WEP_LAST; ++i){
1551                 w = stof(argv(i));
1552                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
1553                         bot_weapons_far[c] = w;
1554                         ++c;
1555                 }
1556         }
1557         bot_weapons_far[c] = -1;
1558
1559         // Parse mid distance weapon priorities
1560         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_mid")," ");
1561
1562         c = 0;
1563         for(i=0; i < tokens && i < WEP_LAST; ++i){
1564                 w = stof(argv(i));
1565                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
1566                         bot_weapons_mid[c] = w;
1567                         ++c;
1568                 }
1569         }
1570         bot_weapons_mid[c] = -1;
1571
1572         // Parse close distance weapon priorities
1573         tokens = tokenizebyseparator(cvar_string("bot_ai_custom_weapon_priority_close")," ");
1574
1575         c = 0;
1576         for(i=0; i < tokens && i < WEP_LAST; ++i){
1577                 w = stof(argv(i));
1578                 if ( w >= WEP_FIRST && w <= WEP_LAST) {
1579                         bot_weapons_close[c] = w;
1580                         ++c;
1581                 }
1582         }
1583         bot_weapons_close[c] = -1;
1584
1585         bot_custom_weapon = TRUE;
1586 };
1587
1588
1589 void bot_endgame()
1590 {
1591         local entity e;
1592         //dprint("bot_endgame\n");
1593         e = bot_list;
1594         while (e)
1595         {
1596                 setcolor(e, e.bot_preferredcolors);
1597                 e = e.nextbot;
1598         }
1599         // if dynamic waypoints are ever implemented, save them here
1600 };
1601
1602 float bot_ignore_bots; // let bots not attack other bots (only works in non-teamplay)
1603 float bot_shouldattack(entity e)
1604 {
1605         if (e.team == self.team)
1606         {
1607                 if (e == self)
1608                         return FALSE;
1609                 if (teamplay)
1610                 if (e.team != 0)
1611                         return FALSE;
1612         }
1613         if(!teamplay)
1614                 if(bot_ignore_bots)
1615                         if(clienttype(e) == CLIENTTYPE_BOT)
1616                                 return FALSE;
1617         if (!e.takedamage)
1618                 return FALSE;
1619         if (e.deadflag)
1620                 return FALSE;
1621         if (e.BUTTON_CHAT)
1622                 return FALSE;
1623         return TRUE;
1624 };
1625
1626 void bot_lagfunc(float t, float f1, float f2, entity e1, vector v1, vector v2, vector v3, vector v4)
1627 {
1628         self.bot_aimtarg = e1;
1629         self.bot_aimlatency = self.ping; // FIXME?  Shouldn't this be in the lag item?
1630         self.bot_aimselforigin = v1;
1631         self.bot_aimselfvelocity = v2;
1632         self.bot_aimtargorigin = v3;
1633         self.bot_aimtargvelocity = v4;
1634         if(skill <= 0)
1635                 self.bot_canfire = (random() < 0.8);
1636         else if(skill <= 1)
1637                 self.bot_canfire = (random() < 0.9);
1638         else if(skill <= 2)
1639                 self.bot_canfire = (random() < 0.95);
1640         else
1641                 self.bot_canfire = 1;
1642 };
1643
1644 .float bot_nextthink;
1645 .float bot_badaimtime;
1646 .float bot_aimthinktime;
1647 .vector bot_mouseaim;
1648 .vector bot_badaimoffset;
1649 .vector bot_1st_order_aimfilter;
1650 .vector bot_2nd_order_aimfilter;
1651 .vector bot_3th_order_aimfilter;
1652 .vector bot_4th_order_aimfilter;
1653 .vector bot_5th_order_aimfilter;
1654 .vector bot_olddesiredang;
1655 float bot_aimdir(vector v, float maxfiredeviation)
1656 {
1657 /*
1658         local float snapcos;
1659         local vector olddir, newdir, desireddir;
1660
1661         makevectors(self.v_angle);
1662         olddir = newdir = v_forward;
1663         desireddir = normalize(v);
1664         snapcos = cos(cvar("bot_ai_aimskill_snapangle") * frametime * (skill + 1) * 0.5);
1665         if (desireddir * olddir < v_forward_x)
1666                 newdir = desireddir;
1667         else
1668         {
1669                 local float blendrate;
1670                 blendrate = cvar("bot_ai_aimskill_blendrate") * frametime * (skill + 1) * 0.5;
1671                 newdir = olddir + (desireddir - olddir) * bound(0, blendrate, 1);
1672         }
1673
1674         // decide whether to fire this time
1675         if ((desireddir * newdir) >= cos(maxfiredeviation))
1676                 self.bot_firetimer = time + 0.3;
1677
1678         self.v_angle = vectoangles(newdir);
1679         self.v_angle_x = self.v_angle_x * -1;
1680
1681         makevectors(self.v_angle);
1682         shotorg = self.origin + self.view_ofs;
1683         shotdir = newdir;
1684
1685         return time < self.bot_firetimer;
1686 */
1687
1688         local float dist;
1689         local vector desiredang, diffang;
1690
1691         //dprint("aim ", self.netname, ": old:", vtos(self.v_angle));
1692         // make sure v_angle is sane first
1693         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
1694         self.v_angle_z = 0;
1695
1696         // get the desired angles to aim at
1697         //dprint(" at:", vtos(v));
1698         v = normalize(v);
1699         //te_lightning2(world, self.origin + self.view_ofs, self.origin + self.view_ofs + v * 200);
1700         if (time >= self.bot_badaimtime)
1701         {
1702                 self.bot_badaimtime = max(self.bot_badaimtime + 0.3, time);
1703                 self.bot_badaimoffset = randomvec() * bound(0, 5 - 0.5 * (skill+self.bot_offsetskill), 5) * cvar("bot_ai_aimskill_offset");
1704         }
1705         desiredang = vectoangles(v) + self.bot_badaimoffset;
1706         //dprint(" desired:", vtos(desiredang));
1707         if (desiredang_x >= 180)
1708                 desiredang_x = desiredang_x - 360;
1709         desiredang_x = bound(-90, 0 - desiredang_x, 90);
1710         desiredang_z = self.v_angle_z;
1711         //dprint(" / ", vtos(desiredang));
1712
1713         //// pain throws off aim
1714         //if (self.bot_painintensity)
1715         //{
1716         //      // shake from pain
1717         //      desiredang = desiredang + randomvec() * self.bot_painintensity * 0.2;
1718         //}
1719
1720         // calculate turn angles
1721         diffang = (desiredang - self.bot_olddesiredang);
1722         // wrap yaw turn
1723         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
1724         if (diffang_y >= 180)
1725                 diffang_y = diffang_y - 360;
1726         self.bot_olddesiredang = desiredang;
1727         //dprint(" diff:", vtos(diffang));
1728
1729         // Here we will try to anticipate the comming aiming direction
1730         self.bot_1st_order_aimfilter= self.bot_1st_order_aimfilter
1731                 + (diffang * (1 / frametime)    - self.bot_1st_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_1st"),1);
1732         self.bot_2nd_order_aimfilter= self.bot_2nd_order_aimfilter
1733                 + (self.bot_1st_order_aimfilter - self.bot_2nd_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_2nd"),1);
1734         self.bot_3th_order_aimfilter= self.bot_3th_order_aimfilter
1735                 + (self.bot_2nd_order_aimfilter - self.bot_3th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_3th"),1);
1736         self.bot_4th_order_aimfilter= self.bot_4th_order_aimfilter
1737                 + (self.bot_3th_order_aimfilter - self.bot_4th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_4th"),1);
1738         self.bot_5th_order_aimfilter= self.bot_5th_order_aimfilter
1739                 + (self.bot_4th_order_aimfilter - self.bot_5th_order_aimfilter) * bound(0, cvar("bot_ai_aimskill_order_filter_5th"),1);
1740
1741         local float blend;
1742         //blend = (bound(0,skill,10)*0.1)*pow(1-bound(0,skill,10)*0.05,2.5)*5.656854249; //Plot formule before changing !
1743         blend = bound(0,skill,10)*0.1;
1744         desiredang = desiredang + blend *
1745         (
1746                   self.bot_1st_order_aimfilter * cvar("bot_ai_aimskill_order_mix_1st")
1747                 + self.bot_2nd_order_aimfilter * cvar("bot_ai_aimskill_order_mix_2nd")
1748                 + self.bot_3th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_3th")
1749                 + self.bot_4th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_4th")
1750                 + self.bot_5th_order_aimfilter * cvar("bot_ai_aimskill_order_mix_5th")
1751         );
1752
1753         // calculate turn angles
1754         diffang = desiredang - self.bot_mouseaim;
1755         // wrap yaw turn
1756         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
1757         if (diffang_y >= 180)
1758                 diffang_y = diffang_y - 360;
1759         //dprint(" diff:", vtos(diffang));
1760
1761         if (time >= self.bot_aimthinktime)
1762         {
1763                 self.bot_aimthinktime = max(self.bot_aimthinktime + 0.5 - 0.05*(skill+self.bot_thinkskill), time);
1764                 self.bot_mouseaim = self.bot_mouseaim + diffang * (1-random()*0.1*bound(1,10-skill,10));
1765         }
1766
1767         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
1768
1769         diffang = self.bot_mouseaim - desiredang;
1770         // wrap yaw turn
1771         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
1772         if (diffang_y >= 180)
1773                 diffang_y = diffang_y - 360;
1774         desiredang = desiredang + diffang * bound(0,cvar("bot_ai_aimskill_think"),1);
1775
1776         // calculate turn angles
1777         diffang = desiredang - self.v_angle;
1778         // wrap yaw turn
1779         diffang_y = diffang_y - floor(diffang_y / 360) * 360;
1780         if (diffang_y >= 180)
1781                 diffang_y = diffang_y - 360;
1782         //dprint(" diff:", vtos(diffang));
1783
1784         // jitter tracking
1785         dist = vlen(diffang);
1786         //diffang = diffang + randomvec() * (dist * 0.05 * (3.5 - bound(0, skill, 3)));
1787
1788         // turn
1789         local float r, fixedrate, blendrate;
1790         fixedrate = cvar("bot_ai_aimskill_fixedrate") / bound(1,dist,1000);
1791         blendrate = cvar("bot_ai_aimskill_blendrate");
1792         r = max(fixedrate, blendrate);
1793         //self.v_angle = self.v_angle + diffang * bound(frametime, r * frametime * (2+skill*skill*0.05-random()*0.05*(10-skill)), 1);
1794         self.v_angle = self.v_angle + diffang * bound(frametime, r * frametime * (2+pow(skill+self.bot_mouseskill,3)*0.005-random()), 1);
1795         self.v_angle = self.v_angle * bound(0,cvar("bot_ai_aimskill_mouse"),1) + desiredang * bound(0,(1-cvar("bot_ai_aimskill_mouse")),1);
1796         //self.v_angle = self.v_angle + diffang * bound(0, r * frametime * (skill * 0.5 + 2), 1);
1797         //self.v_angle = self.v_angle + diffang * (1/ blendrate);
1798         self.v_angle_z = 0;
1799         self.v_angle_y = self.v_angle_y - floor(self.v_angle_y / 360) * 360;
1800         //dprint(" turn:", vtos(self.v_angle));
1801
1802         makevectors(self.v_angle);
1803         shotorg = self.origin + self.view_ofs;
1804         shotdir = v_forward;
1805
1806         //dprint(" dir:", vtos(v_forward));
1807         //te_lightning2(world, shotorg, shotorg + shotdir * 100);
1808
1809         // calculate turn angles again
1810         //diffang = desiredang - self.v_angle;
1811         //diffang_y = diffang_y - floor(diffang_y / 360) * 360;
1812         //if (diffang_y >= 180)
1813         //      diffang_y = diffang_y - 360;
1814
1815         //dprint("e ", vtos(diffang), " < ", ftos(maxfiredeviation), "\n");
1816
1817         // decide whether to fire this time
1818         // note the maxfiredeviation is in degrees so this has to convert to radians first
1819         //if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
1820         if ((normalize(v) * shotdir) >= cos(maxfiredeviation * (3.14159265358979323846 / 180)))
1821         if (vlen(trace_endpos-shotorg) < 500+500*bound(0, skill, 10) || random()*random()>bound(0,skill*0.05,1))
1822                 self.bot_firetimer = time + bound(0.1, 0.5-skill*0.05, 0.5);
1823         //traceline(shotorg,shotorg+shotdir*1000,FALSE,world);
1824         //dprint(ftos(maxfiredeviation),"\n");
1825         //dprint(" diff:", vtos(diffang), "\n");
1826
1827         return self.bot_canfire && (time < self.bot_firetimer);
1828 };
1829
1830 vector bot_shotlead(vector targorigin, vector targvelocity, float shotspeed, float shotdelay)
1831 {
1832         // Try to add code here that predicts gravity effect here, no clue HOW to though ... well not yet atleast...
1833         return targorigin + targvelocity * (shotdelay + vlen(targorigin - shotorg) / shotspeed);
1834 };
1835
1836 float bot_aim(float shotspeed, float shotspeedupward, float maxshottime, float applygravity)
1837 {
1838         local float f, r;
1839         local vector v;
1840         /*
1841         eprint(self);
1842         dprint("bot_aim(", ftos(shotspeed));
1843         dprint(", ", ftos(shotspeedupward));
1844         dprint(", ", ftos(maxshottime));
1845         dprint(", ", ftos(applygravity));
1846         dprint(");\n");
1847         */
1848         if (!shotspeed)
1849         {
1850                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " shotspeed is zero!\n");
1851                 shotspeed = 1000000;
1852         }
1853         if (!maxshottime)
1854         {
1855                 dprint("bot_aim: WARNING: weapon ", W_Name(self.weapon), " maxshottime is zero!\n");
1856                 maxshottime = 1;
1857         }
1858         makevectors(self.v_angle);
1859         shotorg = self.origin + self.view_ofs;
1860         shotdir = v_forward;
1861         v = bot_shotlead(self.bot_aimtargorigin, self.bot_aimtargvelocity, shotspeed, self.bot_aimlatency);
1862         local float distanceratio;
1863         distanceratio =sqrt(bound(0,skill,10000))*0.3*(vlen(v-shotorg)-100)/cvar("bot_ai_aimskill_firetolerance_distdegrees");
1864         distanceratio = bound(0,distanceratio,1);
1865         r =  (cvar("bot_ai_aimskill_firetolerance_maxdegrees")-cvar("bot_ai_aimskill_firetolerance_mindegrees"))
1866                 * (1-distanceratio) + cvar("bot_ai_aimskill_firetolerance_mindegrees");
1867         if (applygravity && self.bot_aimtarg)
1868         {
1869                 if (!findtrajectorywithleading(shotorg, '0 0 0', '0 0 0', self.bot_aimtarg, shotspeed, shotspeedupward, maxshottime, 0, self))
1870                         return FALSE;
1871                 f = bot_aimdir(findtrajectory_velocity - shotspeedupward * '0 0 1', r);
1872         }
1873         else
1874         {
1875                 f = bot_aimdir(v - shotorg, r);
1876                 //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");
1877                 traceline(shotorg, shotorg + shotdir * 10000, FALSE, self);
1878                 if (trace_ent.takedamage)
1879                 if (trace_fraction < 1)
1880                 if (!bot_shouldattack(trace_ent))
1881                         return FALSE;
1882                 traceline(shotorg, self.bot_aimtargorigin, FALSE, self);
1883                 if (trace_fraction < 1)
1884                 if (trace_ent != self.enemy)
1885                 if (!bot_shouldattack(trace_ent))
1886                         return FALSE;
1887         }
1888         if (r > maxshottime * shotspeed)
1889                 return FALSE;
1890         return f;
1891 };
1892
1893 // TODO: move this painintensity code to the player damage code
1894 void bot_think()
1895 {
1896         if (self.bot_nextthink > time)
1897                 return;
1898         self.bot_nextthink = self.bot_nextthink + cvar("bot_ai_thinkinterval");
1899         //if (self.bot_painintensity > 0)
1900         //      self.bot_painintensity = self.bot_painintensity - (skill + 1) * 40 * frametime;
1901
1902         //self.bot_painintensity = self.bot_painintensity + self.bot_oldhealth - self.health;
1903         //self.bot_painintensity = bound(0, self.bot_painintensity, 100);
1904
1905         if(time < game_starttime || ((cvar("g_campaign") && !campaign_bots_may_start)))
1906         {
1907                 self.nextthink = time + 0.5;
1908                 return;
1909         }
1910
1911         if (self.fixangle)
1912         {
1913                 self.v_angle = self.angles;
1914                 self.v_angle_z = 0;
1915                 self.fixangle = FALSE;
1916         }
1917
1918         self.dmg_take = 0;
1919         self.dmg_save = 0;
1920         self.dmg_inflictor = world;
1921
1922         // calculate an aiming latency based on the skill setting
1923         // (simulated network latency + naturally delayed reflexes)
1924         //self.ping = 0.7 - bound(0, 0.05 * skill, 0.5); // moved the reflexes to bot_aimdir (under the name 'think')
1925         // minimum ping 20+10 random
1926         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
1927         // skill 10 = ping 0.2 (adrenaline)
1928         // skill 0 = ping 0.7 (slightly drunk)
1929
1930         // clear buttons
1931         self.BUTTON_ATCK = 0;
1932         self.button1 = 0;
1933         self.BUTTON_JUMP = 0;
1934         self.BUTTON_ATCK2 = 0;
1935         self.BUTTON_ZOOM = 0;
1936         self.BUTTON_CROUCH = 0;
1937         self.BUTTON_HOOK = 0;
1938         self.BUTTON_INFO = 0;
1939         self.button8 = 0;
1940         self.BUTTON_CHAT = 0;
1941         self.BUTTON_USE = 0;
1942
1943         // if dead, just wait until we can respawn
1944         if (self.deadflag)
1945         {
1946                 if (self.deadflag == DEAD_DEAD)
1947                 {
1948                         self.BUTTON_JUMP = 1; // press jump to respawn
1949                         self.bot_strategytime = 0;
1950                         return;
1951                 }
1952         }
1953
1954         // now call the current bot AI (havocbot for example)
1955         self.bot_ai();
1956 };
1957
1958 entity bot_strategytoken;
1959 float bot_strategytoken_taken;
1960 entity player_list;
1961 .entity nextplayer;
1962 void bot_relinkplayerlist()
1963 {
1964         local entity e;
1965         local entity prevbot;
1966         player_count = 0;
1967         currentbots = 0;
1968         player_list = e = findchainflags(flags, FL_CLIENT);
1969         bot_list = world;
1970         prevbot = world;
1971         while (e)
1972         {
1973                 player_count = player_count + 1;
1974                 e.nextplayer = e.chain;
1975                 if (clienttype(e) == CLIENTTYPE_BOT)
1976                 {
1977                         if (prevbot)
1978                                 prevbot.nextbot = e;
1979                         else
1980                                 bot_list = e;
1981                         prevbot = e;
1982                         currentbots = currentbots + 1;
1983                 }
1984                 e = e.chain;
1985         }
1986         dprint(strcat("relink: ", ftos(currentbots), " bots seen.\n"));
1987         bot_strategytoken = bot_list;
1988         bot_strategytoken_taken = TRUE;
1989 };
1990
1991 void() havocbot_setupbot;
1992 float JoinBestTeam(entity pl, float only_return_best, float forcebestteam);
1993
1994 void bot_clientdisconnect()
1995 {
1996         if (clienttype(self) != CLIENTTYPE_BOT)
1997                 return;
1998         if(self.netname_freeme)
1999                 strunzone(self.netname_freeme);
2000         self.netname_freeme = string_null;
2001 }
2002
2003 void bot_clientconnect()
2004 {
2005         if (clienttype(self) != CLIENTTYPE_BOT)
2006                 return;
2007         self.bot_preferredcolors = self.clientcolors;
2008         self.bot_nextthink = time - random();
2009         self.lag_func = bot_lagfunc;
2010         self.isbot = TRUE;
2011         self.createdtime = self.nextthink;
2012         JoinBestTeam(self, FALSE, TRUE);
2013         havocbot_setupbot();
2014         self.bot_mouseskill=random()-0.5;
2015         self.bot_thinkskill=random()-0.5;
2016         self.bot_predictionskill=random()-0.5;
2017         self.bot_offsetskill=random()-0.5;
2018 };
2019
2020 entity bot_spawn()
2021 {
2022         local entity oldself, bot;
2023         bot = spawnclient();
2024         if (bot)
2025         {
2026                 currentbots = currentbots + 1;
2027                 oldself = self;
2028                 self = bot;
2029                 bot_setnameandstuff();
2030                 ClientConnect();
2031                 PutClientInServer();
2032                 self = oldself;
2033         }
2034         return bot;
2035 };
2036
2037 void CheckAllowedTeams(entity for_whom); void GetTeamCounts(entity other); float c1, c2, c3, c4;
2038 void bot_removefromlargestteam()
2039 {
2040         local float besttime, bestcount, thiscount;
2041         local entity best, head;
2042         CheckAllowedTeams(world);
2043         GetTeamCounts(world);
2044         head = findchainfloat(isbot, TRUE);
2045         if (!head)
2046                 return;
2047         best = head;
2048         besttime = head.createdtime;
2049         bestcount = 0;
2050         while (head)
2051         {
2052                 if(head.team == COLOR_TEAM1)
2053                         thiscount = c1;
2054                 else if(head.team == COLOR_TEAM2)
2055                         thiscount = c2;
2056                 else if(head.team == COLOR_TEAM3)
2057                         thiscount = c3;
2058                 else if(head.team == COLOR_TEAM4)
2059                         thiscount = c4;
2060                 else
2061                         thiscount = 0;
2062                 if (thiscount > bestcount)
2063                 {
2064                         bestcount = thiscount;
2065                         besttime = head.createdtime;
2066                         best = head;
2067                 }
2068                 else if (thiscount == bestcount && besttime < head.createdtime)
2069                 {
2070                         besttime = head.createdtime;
2071                         best = head;
2072                 }
2073                 head = head.chain;
2074         }
2075         currentbots = currentbots - 1;
2076         dropclient(best);
2077 };
2078
2079 void bot_removenewest()
2080 {
2081         local float besttime;
2082         local entity best, head;
2083
2084         if(teams_matter)
2085         {
2086                 bot_removefromlargestteam();
2087                 return;
2088         }
2089
2090         head = findchainfloat(isbot, TRUE);
2091         if (!head)
2092                 return;
2093         best = head;
2094         besttime = head.createdtime;
2095         while (head)
2096         {
2097                 if (besttime < head.createdtime)
2098                 {
2099                         besttime = head.createdtime;
2100                         best = head;
2101                 }
2102                 head = head.chain;
2103         }
2104         currentbots = currentbots - 1;
2105         dropclient(best);
2106 };
2107
2108 float botframe_waypointeditorlightningtime;
2109 void botframe_showwaypointlinks()
2110 {
2111         local entity player, head, w;
2112         if (time < botframe_waypointeditorlightningtime)
2113                 return;
2114         botframe_waypointeditorlightningtime = time + 0.5;
2115         player = find(world, classname, "player");
2116         while (player)
2117         {
2118                 if (!player.isbot)
2119                 if (player.flags & FL_ONGROUND)
2120                 {
2121                         //navigation_testtracewalk = TRUE;
2122                         head = navigation_findnearestwaypoint(player, FALSE);
2123                         //navigation_testtracewalk = FALSE;
2124                         if (head)
2125                         {
2126                                 w = head     ;if (w) te_lightning2(world, w.origin, player.origin);
2127                                 w = head.wp00;if (w) te_lightning2(world, w.origin, head.origin);
2128                                 w = head.wp01;if (w) te_lightning2(world, w.origin, head.origin);
2129                                 w = head.wp02;if (w) te_lightning2(world, w.origin, head.origin);
2130                                 w = head.wp03;if (w) te_lightning2(world, w.origin, head.origin);
2131                                 w = head.wp04;if (w) te_lightning2(world, w.origin, head.origin);
2132                                 w = head.wp05;if (w) te_lightning2(world, w.origin, head.origin);
2133                                 w = head.wp06;if (w) te_lightning2(world, w.origin, head.origin);
2134                                 w = head.wp07;if (w) te_lightning2(world, w.origin, head.origin);
2135                                 w = head.wp08;if (w) te_lightning2(world, w.origin, head.origin);
2136                                 w = head.wp09;if (w) te_lightning2(world, w.origin, head.origin);
2137                                 w = head.wp10;if (w) te_lightning2(world, w.origin, head.origin);
2138                                 w = head.wp11;if (w) te_lightning2(world, w.origin, head.origin);
2139                                 w = head.wp12;if (w) te_lightning2(world, w.origin, head.origin);
2140                                 w = head.wp13;if (w) te_lightning2(world, w.origin, head.origin);
2141                                 w = head.wp14;if (w) te_lightning2(world, w.origin, head.origin);
2142                                 w = head.wp15;if (w) te_lightning2(world, w.origin, head.origin);
2143                                 w = head.wp16;if (w) te_lightning2(world, w.origin, head.origin);
2144                                 w = head.wp17;if (w) te_lightning2(world, w.origin, head.origin);
2145                                 w = head.wp18;if (w) te_lightning2(world, w.origin, head.origin);
2146                                 w = head.wp19;if (w) te_lightning2(world, w.origin, head.origin);
2147                                 w = head.wp20;if (w) te_lightning2(world, w.origin, head.origin);
2148                                 w = head.wp21;if (w) te_lightning2(world, w.origin, head.origin);
2149                                 w = head.wp22;if (w) te_lightning2(world, w.origin, head.origin);
2150                                 w = head.wp23;if (w) te_lightning2(world, w.origin, head.origin);
2151                                 w = head.wp24;if (w) te_lightning2(world, w.origin, head.origin);
2152                                 w = head.wp25;if (w) te_lightning2(world, w.origin, head.origin);
2153                                 w = head.wp26;if (w) te_lightning2(world, w.origin, head.origin);
2154                                 w = head.wp27;if (w) te_lightning2(world, w.origin, head.origin);
2155                                 w = head.wp28;if (w) te_lightning2(world, w.origin, head.origin);
2156                                 w = head.wp29;if (w) te_lightning2(world, w.origin, head.origin);
2157                                 w = head.wp30;if (w) te_lightning2(world, w.origin, head.origin);
2158                                 w = head.wp31;if (w) te_lightning2(world, w.origin, head.origin);
2159                         }
2160                 }
2161                 player = find(player, classname, "player");
2162         }
2163 };
2164
2165 entity botframe_dangerwaypoint;
2166 void botframe_updatedangerousobjects(float maxupdate)
2167 {
2168         local entity head, bot_dodgelist;
2169         local vector m1, m2, v;
2170         local float c, d, danger;
2171         c = 0;
2172         bot_dodgelist = findchainfloat(bot_dodge, TRUE);
2173         botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2174         while (botframe_dangerwaypoint != world)
2175         {
2176                 danger = 0;
2177                 m1 = botframe_dangerwaypoint.mins;
2178                 m2 = botframe_dangerwaypoint.maxs;
2179                 head = bot_dodgelist;
2180                 while (head)
2181                 {
2182                         v = head.origin;
2183                         v_x = bound(m1_x, v_x, m2_x);
2184                         v_y = bound(m1_y, v_y, m2_y);
2185                         v_z = bound(m1_z, v_z, m2_z);
2186                         d = head.bot_dodgerating - vlen(head.origin - v);
2187                         if (d > 0)
2188                         {
2189                                 traceline(head.origin, v, TRUE, world);
2190                                 if (trace_fraction == 1)
2191                                         danger = danger + d;
2192                         }
2193                         head = head.chain;
2194                 }
2195                 botframe_dangerwaypoint.dmg = danger;
2196                 c = c + 1;
2197                 if (c >= maxupdate)
2198                         break;
2199                 botframe_dangerwaypoint = find(botframe_dangerwaypoint, classname, "waypoint");
2200         }
2201 };
2202
2203
2204 float botframe_spawnedwaypoints;
2205 float botframe_nextthink;
2206 float botframe_nextdangertime;
2207
2208 float autoskill_nextthink;
2209 .float totalfrags_lastcheck;
2210 void autoskill(float factor)
2211 {
2212         float bestbot;
2213         float bestplayer;
2214         entity head;
2215
2216         bestbot = -1;
2217         bestplayer = -1;
2218         FOR_EACH_PLAYER(head)
2219         {
2220                 if(clienttype(head) == CLIENTTYPE_REAL)
2221                         bestplayer = max(bestplayer, head.totalfrags - head.totalfrags_lastcheck);
2222                 else
2223                         bestbot = max(bestbot, head.totalfrags - head.totalfrags_lastcheck);
2224         }
2225
2226         dprint("autoskill: best player got ", ftos(bestplayer), ", ");
2227         dprint("best bot got ", ftos(bestbot), "; ");
2228         if(bestbot < 0 || bestplayer < 0)
2229         {
2230                 dprint("not doing anything\n");
2231                 // don't return, let it reset all counters below
2232         }
2233         else if(bestbot <= bestplayer * factor - 2)
2234         {
2235                 if(cvar("skill") < 17)
2236                 {
2237                         dprint("2 frags difference, increasing skill\n");
2238                         cvar_set("skill", ftos(cvar("skill") + 1));
2239                         bprint("^2SKILL UP!^7 Now at level ", ftos(cvar("skill")), "\n");
2240                 }
2241         }
2242         else if(bestbot >= bestplayer * factor + 2)
2243         {
2244                 if(cvar("skill") > 0)
2245                 {
2246                         dprint("2 frags difference, decreasing skill\n");
2247                         cvar_set("skill", ftos(cvar("skill") - 1));
2248                         bprint("^1SKILL DOWN!^7 Now at level ", ftos(cvar("skill")), "\n");
2249                 }
2250         }
2251         else
2252         {
2253                 dprint("not doing anything\n");
2254                 return;
2255                 // don't reset counters, wait for them to accumulate
2256         }
2257
2258         FOR_EACH_PLAYER(head)
2259                 head.totalfrags_lastcheck = head.totalfrags;
2260 }
2261
2262 float bot_cvar_nextthink;
2263 void bot_serverframe()
2264 {
2265         float realplayers, bots, activerealplayers;
2266         entity head;
2267
2268         if (intermission_running)
2269                 return;
2270
2271         if (time < 2)
2272                 return;
2273
2274         if(time > autoskill_nextthink)
2275         {
2276                 float a;
2277                 a = cvar("skill_auto");
2278                 if(!cvar("g_campaign"))
2279                         if(a)
2280                                 autoskill(a);
2281                 autoskill_nextthink = time + 5;
2282         }
2283
2284         activerealplayers = 0;
2285         realplayers = 0;
2286
2287         FOR_EACH_REALCLIENT(head)
2288         {
2289                 if(head.classname == "player" || g_lms || g_arena)
2290                         ++activerealplayers;
2291                 ++realplayers;
2292         }
2293
2294         // add/remove bots if needed to make sure there are at least
2295         // minplayers+bot_number, or remove all bots if no one is playing
2296         // But don't remove bots immediately on level change, as the real players
2297         // usually haven't rejoined yet
2298         bots_would_leave = FALSE;
2299         if (realplayers || cvar("bot_join_empty") || (currentbots > 0 && time < 5))
2300         {
2301                 float realminplayers, minplayers;
2302                 realminplayers = cvar("minplayers");
2303                 minplayers = max(0, floor(realminplayers));
2304
2305                 float realminbots, minbots;
2306                 if(cvar("bot_vs_human"))
2307                         realminbots = ceil(fabs(cvar("bot_vs_human")) * activerealplayers);
2308                 else
2309                         realminbots = cvar("bot_number");
2310                 minbots = max(0, floor(realminbots));
2311
2312                 bots = min(max(minbots, minplayers - activerealplayers), maxclients - realplayers);
2313                 if(bots > minbots)
2314                         bots_would_leave = TRUE;
2315         }
2316         else
2317         {
2318                 // if there are no players, remove bots
2319                 bots = 0;
2320         }
2321
2322         bot_ignore_bots = cvar("bot_ignore_bots");
2323
2324         // only add one bot per frame to avoid utter chaos
2325         if(time > botframe_nextthink)
2326         {
2327                 //dprint(ftos(bots), " ? ", ftos(currentbots), "\n");
2328                 while (currentbots < bots)
2329                 {
2330                         if (bot_spawn() == world)
2331                         {
2332                                 bprint("Can not add bot, server full.\n");
2333                                 botframe_nextthink = time + 10;
2334                                 break;
2335                         }
2336                 }
2337                 while (currentbots > bots)
2338                         bot_removenewest();
2339         }
2340
2341         if(botframe_spawnedwaypoints)
2342         {
2343                 if(cvar("waypoint_benchmark"))
2344                         localcmd("quit\n");
2345         }
2346
2347         if (currentbots > 0 || cvar("g_waypointeditor"))
2348         if (!botframe_spawnedwaypoints)
2349         {
2350                 botframe_spawnedwaypoints = TRUE;
2351                 waypoint_loadall();
2352                 waypoint_schedulerelinkall();
2353         }
2354
2355         if (bot_list)
2356         {
2357                 // cycle the goal token from one bot to the next each frame
2358                 // (this prevents them from all doing spawnfunc_waypoint searches on the same
2359                 //  frame, which causes choppy framerates)
2360                 if (bot_strategytoken_taken)
2361                 {
2362                         bot_strategytoken_taken = FALSE;
2363                         if (bot_strategytoken)
2364                                 bot_strategytoken = bot_strategytoken.nextbot;
2365                         if (!bot_strategytoken)
2366                                 bot_strategytoken = bot_list;
2367                 }
2368
2369                 if (botframe_nextdangertime < time)
2370                 {
2371                         local float interval;
2372                         interval = cvar("bot_ai_dangerdetectioninterval");
2373                         if (botframe_nextdangertime < time - interval * 1.5)
2374                                 botframe_nextdangertime = time;
2375                         botframe_nextdangertime = botframe_nextdangertime + interval;
2376                         botframe_updatedangerousobjects(cvar("bot_ai_dangerdetectionupdates"));
2377                 }
2378         }
2379
2380         if (cvar("g_waypointeditor"))
2381                 botframe_showwaypointlinks();
2382
2383         if(time > bot_cvar_nextthink)
2384         {
2385                 if(currentbots>1)
2386                         bot_custom_weapon_priority_setup();
2387                 bot_cvar_nextthink = time + 5;
2388         }
2389 };