qcsrc/server/g_damage.qc

   1 #if defined(CSQC)
   2 #elif defined(MENUQC)
   3 #elif defined(SVQC)
   4         #include "../dpdefs/progsdefs.qh"
   5     #include "../dpdefs/dpextensions.qh"
   6     #include "../warpzonelib/common.qh"
   7     #include "../common/constants.qh"
   8     #include "../common/teams.qh"
   9     #include "../common/util.qh"
  10     #include "../common/weapons/weapons.qh"
  11     #include "weapons/accuracy.qh"
  12     #include "weapons/csqcprojectile.qh"
  13     #include "weapons/selection.qh"
  14     #include "t_items.qh"
  15     #include "autocvars.qh"
  16     #include "constants.qh"
  17     #include "defs.qh"
  18     #include "../common/notifications.qh"
  19     #include "../common/deathtypes.qh"
  20     #include "mutators/mutators_include.qh"
  21     #include "tturrets/include/turrets_early.qh"
  22     #include "vehicles/vehicles_def.qh"
  23     #include "../csqcmodellib/sv_model.qh"
  24     #include "../common/playerstats.qh"
  25     #include "g_hook.qh"
  26     #include "scores.qh"
  27     #include "spawnpoints.qh"
  28 #endif
  29
  30 .float dmg;
  31 .float dmg_edge;
  32 .float dmg_force;
  33 .float dmg_radius;
  34
  35 float Damage_DamageInfo_SendEntity(entity to, float sf)
  36 {
  37         WriteByte(MSG_ENTITY, ENT_CLIENT_DAMAGEINFO);
  38         WriteShort(MSG_ENTITY, self.projectiledeathtype);
  39         WriteCoord(MSG_ENTITY, floor(self.origin.x));
  40         WriteCoord(MSG_ENTITY, floor(self.origin.y));
  41         WriteCoord(MSG_ENTITY, floor(self.origin.z));
  42         WriteByte(MSG_ENTITY, bound(1, self.dmg, 255));
  43         WriteByte(MSG_ENTITY, bound(0, self.dmg_radius, 255));
  44         WriteByte(MSG_ENTITY, bound(1, self.dmg_edge, 255));
  45         WriteShort(MSG_ENTITY, self.oldorigin.x);
  46         WriteByte(MSG_ENTITY, self.species);
  47         return true;
  48 }
  49
  50 void Damage_DamageInfo(vector org, float coredamage, float edgedamage, float rad, vector force, float deathtype, float bloodtype, entity dmgowner)
  51 {
  52         // TODO maybe call this from non-edgedamage too?
  53         // TODO maybe make the client do the particle effects for the weapons and the impact sounds using this info?
  54
  55         entity e;
  56
  57         if(!sound_allowed(MSG_BROADCAST, dmgowner))
  58                 deathtype |= 0x8000;
  59
  60         e = spawn();
  61         setorigin(e, org);
  62         e.projectiledeathtype = deathtype;
  63         e.dmg = coredamage;
  64         e.dmg_edge = edgedamage;
  65         e.dmg_radius = rad;
  66         e.dmg_force = vlen(force);
  67         e.velocity = force;
  68         e.oldorigin_x = compressShortVector(e.velocity);
  69         e.species = bloodtype;
  70
  71         Net_LinkEntity(e, false, 0.2, Damage_DamageInfo_SendEntity);
  72 }
  73
  74 float checkrules_firstblood;
  75
  76 float yoda;
  77 float damage_goodhits;
  78 float damage_gooddamage;
  79
  80 .float dmg_team;
  81 .float teamkill_complain;
  82 .float teamkill_soundtime;
  83 .entity teamkill_soundsource;
  84 .entity pusher;
  85 .float istypefrag;
  86 .float taunt_soundtime;
  87
  88 float IsFlying(entity a)
  89 {
  90         if(a.flags & FL_ONGROUND)
  91                 return 0;
  92         if(a.waterlevel >= WATERLEVEL_SWIMMING)
  93                 return 0;
  94         traceline(a.origin, a.origin - '0 0 48', MOVE_NORMAL, a);
  95         if(trace_fraction < 1)
  96                 return 0;
  97         return 1;
  98 }
  99
 100 void UpdateFrags(entity player, float f)
 101 {
 102         PlayerTeamScore_AddScore(player, f);
 103 }
 104
 105 // NOTE: f=0 means still count as a (positive) kill, but count no frags for it
 106 void W_SwitchWeapon_Force(entity e, float w);
 107 entity GiveFrags_randomweapons;
 108 void GiveFrags (entity attacker, entity targ, float f, float deathtype)
 109 {
 110         // TODO route through PlayerScores instead
 111         if(gameover) return;
 112
 113         if(f < 0)
 114         {
 115                 if(targ == attacker)
 116                 {
 117                         // suicide
 118                         PlayerScore_Add(attacker, SP_SUICIDES, 1);
 119                 }
 120                 else
 121                 {
 122                         // teamkill
 123                         PlayerScore_Add(attacker, SP_KILLS, -1); // or maybe add a teamkills field?
 124                 }
 125         }
 126         else
 127         {
 128                 // regular frag
 129                 PlayerScore_Add(attacker, SP_KILLS, 1);
 130                 if(targ.playerid)
 131                         PS_GR_P_ADDVAL(attacker, sprintf("kills-%d", targ.playerid), 1);
 132         }
 133
 134         PlayerScore_Add(targ, SP_DEATHS, 1);
 135
 136         if(targ != attacker) // not for suicides
 137         if(g_weaponarena_random)
 138         {
 139                 // after a frag, exchange the current weapon (or the culprit, if detectable) by a new random weapon
 140                 float culprit;
 141                 culprit = DEATH_WEAPONOF(deathtype);
 142                 if(!culprit)
 143                         culprit = attacker.weapon;
 144                 else if(!(attacker.weapons & WepSet_FromWeapon(culprit)))
 145                         culprit = attacker.weapon;
 146
 147                 if(g_weaponarena_random_with_blaster && culprit == WEP_BLASTER) // WEAPONTODO: Shouldn't this be in a mutator?
 148                 {
 149                         // no exchange
 150                 }
 151                 else
 152                 {
 153                         if(!GiveFrags_randomweapons)
 154                         {
 155                                 GiveFrags_randomweapons = spawn();
 156                                 GiveFrags_randomweapons.classname = "GiveFrags_randomweapons";
 157                         }
 158
 159                         if(warmup_stage)
 160                                 GiveFrags_randomweapons.weapons = WARMUP_START_WEAPONS;
 161                         else
 162                                 GiveFrags_randomweapons.weapons = start_weapons;
 163
 164                         // all others (including the culprit): remove
 165                         GiveFrags_randomweapons.weapons &= ~attacker.weapons;
 166                         GiveFrags_randomweapons.weapons &= ~WepSet_FromWeapon(culprit);
 167
 168                         // among the remaining ones, choose one by random
 169                         W_RandomWeapons(GiveFrags_randomweapons, 1);
 170
 171                         if(GiveFrags_randomweapons.weapons)
 172                         {
 173                                 attacker.weapons |= GiveFrags_randomweapons.weapons;
 174                                 attacker.weapons &= ~WepSet_FromWeapon(culprit);
 175                         }
 176                 }
 177
 178                 // after a frag, choose another random weapon set
 179                 if (!(attacker.weapons & WepSet_FromWeapon(attacker.weapon)))
 180                         W_SwitchWeapon_Force(attacker, w_getbestweapon(attacker));
 181         }
 182
 183         // FIXME fix the mess this is (we have REAL points now!)
 184         entity oldself;
 185         oldself = self;
 186         self = attacker;
 187         frag_attacker = attacker;
 188         frag_target = targ;
 189         frag_score = f;
 190         if(MUTATOR_CALLHOOK(GiveFragsForKill))
 191         {
 192                 f = frag_score;
 193                 self = oldself;
 194         }
 195         else
 196         {
 197                 self = oldself;
 198         }
 199
 200         attacker.totalfrags += f;
 201
 202         if(f)
 203                 UpdateFrags(attacker, f);
 204 }
 205
 206 string AppendItemcodes(string s, entity player)
 207 {
 208         float w;
 209         w = player.weapon;
 210         //if(w == 0)
 211         //      w = player.switchweapon;
 212         if(w == 0)
 213                 w = player.cnt; // previous weapon!
 214         s = strcat(s, ftos(w));
 215         if(time < player.strength_finished)
 216                 s = strcat(s, "S");
 217         if(time < player.invincible_finished)
 218                 s = strcat(s, "I");
 219         if(player.flagcarried != world)
 220                 s = strcat(s, "F");
 221         if(player.BUTTON_CHAT)
 222                 s = strcat(s, "T");
 223         if(player.kh_next)
 224                 s = strcat(s, "K");
 225         return s;
 226 }
 227
 228 void LogDeath(string mode, float deathtype, entity killer, entity killed)
 229 {
 230         string s;
 231         if(!autocvar_sv_eventlog)
 232                 return;
 233         s = strcat(":kill:", mode);
 234         s = strcat(s, ":", ftos(killer.playerid));
 235         s = strcat(s, ":", ftos(killed.playerid));
 236         s = strcat(s, ":type=", Deathtype_Name(deathtype));
 237         s = strcat(s, ":items=");
 238         s = AppendItemcodes(s, killer);
 239         if(killed != killer)
 240         {
 241                 s = strcat(s, ":victimitems=");
 242                 s = AppendItemcodes(s, killed);
 243         }
 244         GameLogEcho(s);
 245 }
 246
 247 void Obituary_SpecialDeath(
 248         entity notif_target,
 249         float murder,
 250         float deathtype,
 251         string s1, string s2, string s3,
 252         float f1, float f2, float f3)
 253 {
 254         if(DEATH_ISSPECIAL(deathtype))
 255         {
 256                 entity deathent = deathtypes[(deathtype - DT_FIRST)];
 257                 if (!deathent) { backtrace("Obituary_SpecialDeath: Could not find deathtype entity!\n"); return; }
 258
 259                 if(murder)
 260                 {
 261                         if(deathent.death_msgmurder)
 262                         {
 263                                 Send_Notification_WOCOVA(
 264                                         NOTIF_ONE,
 265                                         notif_target,
 266                                         MSG_MULTI,
 267                                         deathent.death_msgmurder.nent_id,
 268                                         s1, s2, s3, "",
 269                                         f1, f2, f3, 0
 270                                 );
 271                                 Send_Notification_WOCOVA(
 272                                         NOTIF_ALL_EXCEPT,
 273                                         notif_target,
 274                                         MSG_INFO,
 275                                         deathent.death_msgmurder.nent_msginfo.nent_id,
 276                                         s1, s2, s3, "",
 277                                         f1, f2, f3, 0
 278                                 );
 279                         }
 280                 }
 281                 else
 282                 {
 283                         if(deathent.death_msgself)
 284                         {
 285                                 Send_Notification_WOCOVA(
 286                                         NOTIF_ONE,
 287                                         notif_target,
 288                                         MSG_MULTI,
 289                                         deathent.death_msgself.nent_id,
 290                                         s1, s2, s3, "",
 291                                         f1, f2, f3, 0
 292                                 );
 293                                 Send_Notification_WOCOVA(
 294                                         NOTIF_ALL_EXCEPT,
 295                                         notif_target,
 296                                         MSG_INFO,
 297                                         deathent.death_msgself.nent_msginfo.nent_id,
 298                                         s1, s2, s3, "",
 299                                         f1, f2, f3, 0
 300                                 );
 301                         }
 302                 }
 303         }
 304         else { backtrace("Obituary_SpecialDeath called without a special deathtype?\n"); return; }
 305 }
 306
 307 float w_deathtype;
 308 float Obituary_WeaponDeath(
 309         entity notif_target,
 310         float murder,
 311         float deathtype,
 312         string s1, string s2, string s3,
 313         float f1, float f2)
 314 {
 315         float death_weapon = DEATH_WEAPONOF(deathtype);
 316         if(death_weapon)
 317         {
 318                 w_deathtype = deathtype;
 319                 float death_message = WEP_ACTION(death_weapon, ((murder) ? WR_KILLMESSAGE : WR_SUICIDEMESSAGE));
 320                 w_deathtype = false;
 321
 322                 if(death_message)
 323                 {
 324                         Send_Notification_WOCOVA(
 325                                 NOTIF_ONE,
 326                                 notif_target,
 327                                 MSG_MULTI,
 328                                 death_message,
 329                                 s1, s2, s3, "",
 330                                 f1, f2, 0, 0
 331                         );
 332                         Send_Notification_WOCOVA(
 333                                 NOTIF_ALL_EXCEPT,
 334                                 notif_target,
 335                                 MSG_INFO,
 336                                 msg_multi_notifs[death_message - 1].nent_msginfo.nent_id,
 337                                 s1, s2, s3, "",
 338                                 f1, f2, 0, 0
 339                         );
 340                 }
 341                 else
 342                 {
 343                         dprintf(
 344                                 "Obituary_WeaponDeath(): ^1Deathtype ^7(%d)^1 has no notification for weapon %d!\n",
 345                                 deathtype,
 346                                 death_weapon
 347                         );
 348                 }
 349
 350                 return true;
 351         }
 352         return false;
 353 }
 354
 355 void Obituary(entity attacker, entity inflictor, entity targ, float deathtype)
 356 {
 357         // Sanity check
 358         if (!IS_PLAYER(targ)) { backtrace("Obituary called on non-player?!\n"); return; }
 359
 360         // Declarations
 361         float notif_firstblood = false;
 362         float kill_count_to_attacker, kill_count_to_target;
 363
 364         // Set final information for the death
 365         targ.death_origin = targ.origin;
 366         if(targ != attacker) { targ.killer_origin = attacker.origin; }
 367         string deathlocation = (autocvar_notification_server_allows_location ? NearestLocation(targ.death_origin) : "");
 368
 369         #ifdef NOTIFICATIONS_DEBUG
 370         Debug_Notification(
 371                 sprintf(
 372                         "Obituary(%s, %s, %s, %s = %d);\n",
 373                         attacker.netname,
 374                         inflictor.netname,
 375                         targ.netname,
 376                         Deathtype_Name(deathtype),
 377                         deathtype
 378                 )
 379         );
 380         #endif
 381
 382         // =======
 383         // SUICIDE
 384         // =======
 385         if(targ == attacker)
 386         {
 387                 if(DEATH_ISSPECIAL(deathtype))
 388                 {
 389                         if(deathtype == DEATH_TEAMCHANGE || deathtype == DEATH_AUTOTEAMCHANGE)
 390                         {
 391                                 Obituary_SpecialDeath(targ, false, deathtype, targ.netname, deathlocation, "", targ.team, 0, 0);
 392                         }
 393                         else
 394                         {
 395                                 switch(deathtype)
 396                                 {
 397                                         case DEATH_MIRRORDAMAGE:
 398                                         {
 399                                                 Obituary_SpecialDeath(targ, false, deathtype, targ.netname, deathlocation, "", targ.killcount, 0, 0);
 400                                                 break;
 401                                         }
 402
 403                                         default:
 404                                         {
 405                                                 Obituary_SpecialDeath(targ, false, deathtype, targ.netname, deathlocation, "", targ.killcount, 0, 0);
 406                                                 break;
 407                                         }
 408                                 }
 409                         }
 410                 }
 411                 else if (!Obituary_WeaponDeath(targ, false, deathtype, targ.netname, deathlocation, "", targ.killcount, 0))
 412                 {
 413                         backtrace("SUICIDE: what the hell happened here?\n");
 414                         return;
 415                 }
 416                 LogDeath("suicide", deathtype, targ, targ);
 417                 GiveFrags(attacker, targ, -1, deathtype);
 418         }
 419
 420         // ======
 421         // MURDER
 422         // ======
 423         else if(IS_PLAYER(attacker))
 424         {
 425                 if(SAME_TEAM(attacker, targ))
 426                 {
 427                         LogDeath("tk", deathtype, attacker, targ);
 428                         GiveFrags(attacker, targ, -1, deathtype);
 429
 430                         attacker.killcount = 0;
 431
 432                         Send_Notification(NOTIF_ONE, attacker, MSG_CENTER, CENTER_DEATH_TEAMKILL_FRAG, targ.netname);
 433                         Send_Notification(NOTIF_ONE, targ, MSG_CENTER, CENTER_DEATH_TEAMKILL_FRAGGED, attacker.netname);
 434                         Send_Notification(NOTIF_ALL, world, MSG_INFO, APP_TEAM_NUM_4(targ.team, INFO_DEATH_TEAMKILL_), targ.netname, attacker.netname, deathlocation, targ.killcount);
 435
 436                         // In this case, the death message will ALWAYS be "foo was betrayed by bar"
 437                         // No need for specific death/weapon messages...
 438                 }
 439                 else
 440                 {
 441                         LogDeath("frag", deathtype, attacker, targ);
 442                         GiveFrags(attacker, targ, 1, deathtype);
 443
 444                         attacker.taunt_soundtime = time + 1;
 445                         attacker.killcount = attacker.killcount + 1;
 446
 447                         #define SPREE_ITEM(counta,countb,center,normal,gentle) \
 448                                 case counta: \
 449                                 { \
 450                                         Send_Notification(NOTIF_ONE, attacker, MSG_ANNCE, ANNCE_KILLSTREAK_##countb); \
 451                                         PS_GR_P_ADDVAL(attacker, PLAYERSTATS_ACHIEVEMENT_KILL_SPREE_##counta, 1); \
 452                                         break; \
 453                                 }
 454                         switch(attacker.killcount)
 455                         {
 456                                 KILL_SPREE_LIST
 457                                 default: break;
 458                         }
 459                         #undef SPREE_ITEM
 460
 461                         if(!checkrules_firstblood)
 462                         {
 463                                 checkrules_firstblood = true;
 464                                 notif_firstblood = true; // modify the current messages so that they too show firstblood information
 465                                 PS_GR_P_ADDVAL(attacker, PLAYERSTATS_ACHIEVEMENT_FIRSTBLOOD, 1);
 466                                 PS_GR_P_ADDVAL(targ, PLAYERSTATS_ACHIEVEMENT_FIRSTVICTIM, 1);
 467
 468                                 // tell spree_inf and spree_cen that this is a first-blood and first-victim event
 469                                 kill_count_to_attacker = -1;
 470                                 kill_count_to_target = -2;
 471                         }
 472                         else
 473                         {
 474                                 kill_count_to_attacker = attacker.killcount;
 475                                 kill_count_to_target = 0;
 476                         }
 477
 478                         if(targ.istypefrag)
 479                         {
 480                                 Send_Notification(
 481                                         NOTIF_ONE,
 482                                         attacker,
 483                                         MSG_CHOICE,
 484                                         CHOICE_TYPEFRAG,
 485                                         targ.netname,
 486                                         kill_count_to_attacker,
 487                                         (IS_BOT_CLIENT(targ) ? NO_MSG : targ.ping)
 488                                 );
 489                                 Send_Notification(
 490                                         NOTIF_ONE,
 491                                         targ,
 492                                         MSG_CHOICE,
 493                                         CHOICE_TYPEFRAGGED,
 494                                         attacker.netname,
 495                                         kill_count_to_target,
 496                                         attacker.health,
 497                                         attacker.armorvalue,
 498                                         (IS_BOT_CLIENT(attacker) ? NO_MSG : attacker.ping)
 499                                 );
 500                         }
 501                         else
 502                         {
 503                                 Send_Notification(
 504                                         NOTIF_ONE,
 505                                         attacker,
 506                                         MSG_CHOICE,
 507                                         CHOICE_FRAG,
 508                                         targ.netname,
 509                                         kill_count_to_attacker,
 510                                         (IS_BOT_CLIENT(targ) ? NO_MSG : targ.ping)
 511                                 );
 512                                 Send_Notification(
 513                                         NOTIF_ONE,
 514                                         targ,
 515                                         MSG_CHOICE,
 516                                         CHOICE_FRAGGED,
 517                                         attacker.netname,
 518                                         kill_count_to_target,
 519                                         attacker.health,
 520                                         attacker.armorvalue,
 521                                         (IS_BOT_CLIENT(attacker) ? NO_MSG : attacker.ping)
 522                                 );
 523                         }
 524
 525                         if (!Obituary_WeaponDeath(targ, true, deathtype, targ.netname, attacker.netname, deathlocation, targ.killcount, kill_count_to_attacker))
 526                                 Obituary_SpecialDeath(targ, true, deathtype, targ.netname, attacker.netname, deathlocation, targ.killcount, kill_count_to_attacker, 0);
 527                 }
 528         }
 529
 530         // =============
 531         // ACCIDENT/TRAP
 532         // =============
 533         else
 534         {
 535                 switch(deathtype)
 536                 {
 537                         // For now, we're just forcing HURTTRIGGER to behave as "DEATH_VOID" and giving it no special options...
 538                         // Later on you will only be able to make custom messages using DEATH_CUSTOM,
 539                         // and there will be a REAL DEATH_VOID implementation which mappers will use.
 540                         /*case DEATH_HURTTRIGGER:
 541                         {
 542                                 s1 = targ.netname;
 543                                 s2 = inflictor.message;
 544                                 if(strstrofs(s2, "%", 0) < 0) { s2 = strcat("%s ", s2); }
 545                                 break;
 546                         }*/
 547
 548                         case DEATH_CUSTOM:
 549                         {
 550                                 Obituary_SpecialDeath(targ, false, deathtype,
 551                                         targ.netname,
 552                                         ((strstrofs(deathmessage, "%", 0) < 0) ? strcat("%s ", deathmessage) : deathmessage),
 553                                         deathlocation,
 554                                         targ.killcount,
 555                                         0,
 556                                         0);
 557                                 break;
 558                         }
 559
 560                         default:
 561                         {
 562                                 Obituary_SpecialDeath(targ, false, deathtype, targ.netname, deathlocation, "", targ.killcount, 0, 0);
 563                                 break;
 564                         }
 565                 }
 566
 567                 LogDeath("accident", deathtype, targ, targ);
 568                 GiveFrags(targ, targ, -1, deathtype);
 569
 570                 if(PlayerScore_Add(targ, SP_SCORE, 0) == -5)
 571                 {
 572                         Send_Notification(NOTIF_ONE, targ, MSG_ANNCE, ANNCE_ACHIEVEMENT_BOTLIKE);
 573                         PS_GR_P_ADDVAL(attacker, PLAYERSTATS_ACHIEVEMENT_BOTLIKE, 1);
 574                 }
 575         }
 576
 577         // reset target kill count
 578         if(targ.killcount) { targ.killcount = 0; }
 579 }
 580
 581 void Ice_Think()
 582 {
 583         if(!self.owner.frozen || self.owner.iceblock != self)
 584         {
 585                 remove(self);
 586                 return;
 587         }
 588         setorigin(self, self.owner.origin - '0 0 16');
 589         self.nextthink = time;
 590 }
 591
 592 void Freeze (entity targ, float freeze_time, float frozen_type, float show_waypoint)
 593 {
 594         if(!IS_PLAYER(targ) && !(targ.flags & FL_MONSTER)) // only specified entities can be freezed
 595                 return;
 596
 597         if(targ.frozen)
 598                 return;
 599
 600         float targ_maxhealth = ((targ.flags & FL_MONSTER) ? targ.max_health : start_health);
 601
 602         targ.frozen = frozen_type;
 603         targ.revive_progress = ((frozen_type == 3) ? 1 : 0);
 604         targ.health = ((frozen_type == 3) ? targ_maxhealth : 1);
 605         targ.revive_speed = freeze_time;
 606
 607         entity ice, head;
 608         ice = spawn();
 609         ice.owner = targ;
 610         ice.classname = "ice";
 611         ice.scale = targ.scale;
 612         ice.think = Ice_Think;
 613         ice.nextthink = time;
 614         ice.frame = floor(random() * 21); // ice model has 20 different looking frames
 615         setmodel(ice, "models/ice/ice.md3");
 616         ice.alpha = 1;
 617         ice.colormod = Team_ColorRGB(targ.team);
 618         ice.glowmod = ice.colormod;
 619         targ.iceblock = ice;
 620         targ.revival_time = 0;
 621
 622         entity oldself;
 623         oldself = self;
 624         self = ice;
 625         Ice_Think();
 626         self = oldself;
 627
 628         RemoveGrapplingHook(targ);
 629
 630         FOR_EACH_PLAYER(head)
 631         if(head.hook.aiment == targ)
 632                 RemoveGrapplingHook(head);
 633
 634         // add waypoint
 635         if(show_waypoint)
 636                 WaypointSprite_Spawn("frozen", 0, 0, targ, '0 0 64', world, targ.team, targ, waypointsprite_attached, true, RADARICON_WAYPOINT, '0.25 0.90 1');
 637 }
 638
 639 void Unfreeze (entity targ)
 640 {
 641         if(targ.frozen && targ.frozen != 3) // only reset health if target was frozen
 642                 targ.health = ((IS_PLAYER(targ)) ? start_health : targ.max_health);
 643
 644         entity head;
 645         targ.frozen = 0;
 646         targ.revive_progress = 0;
 647         targ.revival_time = time;
 648
 649         WaypointSprite_Kill(targ.waypointsprite_attached);
 650
 651         FOR_EACH_PLAYER(head)
 652         if(head.hook.aiment == targ)
 653                 RemoveGrapplingHook(head);
 654
 655         // remove the ice block
 656         if(targ.iceblock)
 657                 remove(targ.iceblock);
 658         targ.iceblock = world;
 659 }
 660
 661 // these are updated by each Damage call for use in button triggering and such
 662 entity damage_targ;
 663 entity damage_inflictor;
 664 entity damage_attacker;
 665
 666 void Damage (entity targ, entity inflictor, entity attacker, float damage, float deathtype, vector hitloc, vector force)
 667 {
 668         float mirrordamage;
 669         float mirrorforce;
 670         float complainteamdamage = 0;
 671         entity attacker_save;
 672         mirrordamage = 0;
 673         mirrorforce = 0;
 674
 675         if (gameover || targ.killcount == -666)
 676                 return;
 677
 678         entity oldself;
 679         oldself = self;
 680         self = targ;
 681         damage_targ = targ;
 682         damage_inflictor = inflictor;
 683         damage_attacker = attacker;
 684                 attacker_save = attacker;
 685
 686         if(IS_PLAYER(targ))
 687                 if(targ.hook)
 688                         if(targ.hook.aiment)
 689                                 if(targ.hook.aiment == attacker)
 690                                         RemoveGrapplingHook(targ); // STOP THAT, you parasite!
 691
 692         // special rule: gravity bomb does not hit team mates (other than for disconnecting the hook)
 693         if(DEATH_ISWEAPON(deathtype, WEP_HOOK) || DEATH_ISWEAPON(deathtype, WEP_TUBA))
 694         {
 695                 if(IS_PLAYER(targ))
 696                         if(SAME_TEAM(targ, attacker))
 697                         {
 698                                 self = oldself;
 699                                 return;
 700                         }
 701         }
 702
 703         if(deathtype == DEATH_KILL || deathtype == DEATH_TEAMCHANGE || deathtype == DEATH_AUTOTEAMCHANGE)
 704         {
 705                 // exit the vehicle before killing (fixes a crash)
 706                 if(IS_PLAYER(targ) && targ.vehicle)
 707                         vehicles_exit(VHEF_RELESE);
 708
 709                 // These are ALWAYS lethal
 710                 // No damage modification here
 711                 // Instead, prepare the victim for his death...
 712                 targ.armorvalue = 0;
 713                 targ.spawnshieldtime = 0;
 714                 targ.health = 0.9; // this is < 1
 715                 targ.flags -= targ.flags & FL_GODMODE;
 716                 damage = 100000;
 717         }
 718         else if(deathtype == DEATH_MIRRORDAMAGE || deathtype == DEATH_NOAMMO)
 719         {
 720                 // no processing
 721         }
 722         else
 723         {
 724                 // nullify damage if teamplay is on
 725                 if(deathtype != DEATH_TELEFRAG)
 726                 if(IS_PLAYER(attacker))
 727                 {
 728                         if(IS_PLAYER(targ) && targ != attacker && (IS_INDEPENDENT_PLAYER(attacker) || IS_INDEPENDENT_PLAYER(targ)))
 729                         {
 730                                 damage = 0;
 731                                 force = '0 0 0';
 732                         }
 733                         else if(SAME_TEAM(attacker, targ))
 734                         {
 735                                 if(autocvar_teamplay_mode == 1)
 736                                         damage = 0;
 737                                 else if(attacker != targ)
 738                                 {
 739                                         if(autocvar_teamplay_mode == 3)
 740                                                 damage = 0;
 741                                         else if(autocvar_teamplay_mode == 4)
 742                                         {
 743                                                 if(IS_PLAYER(targ) && targ.deadflag == DEAD_NO)
 744                                                 {
 745                                                         attacker.dmg_team = attacker.dmg_team + damage;
 746                                                         complainteamdamage = attacker.dmg_team - autocvar_g_teamdamage_threshold;
 747                                                         if(complainteamdamage > 0)
 748                                                                 mirrordamage = autocvar_g_mirrordamage * complainteamdamage;
 749                                                         mirrorforce = autocvar_g_mirrordamage * vlen(force);
 750                                                         damage = autocvar_g_friendlyfire * damage;
 751                                                         // mirrordamage will be used LATER
 752
 753                                                         if(autocvar_g_mirrordamage_virtual)
 754                                                         {
 755                                                                 vector v  = healtharmor_applydamage(attacker.armorvalue, autocvar_g_balance_armor_blockpercent, deathtype, mirrordamage);
 756                                                                 attacker.dmg_take += v.x;
 757                                                                 attacker.dmg_save += v.y;
 758                                                                 attacker.dmg_inflictor = inflictor;
 759                                                                 mirrordamage = v.z;
 760                                                                 mirrorforce = 0;
 761                                                         }
 762
 763                                                         if(autocvar_g_friendlyfire_virtual)
 764                                                         {
 765                                                                 vector v = healtharmor_applydamage(targ.armorvalue, autocvar_g_balance_armor_blockpercent, deathtype, damage);
 766                                                                 targ.dmg_take += v.x;
 767                                                                 targ.dmg_save += v.y;
 768                                                                 targ.dmg_inflictor = inflictor;
 769                                                                 damage = 0;
 770                                                                 if(!autocvar_g_friendlyfire_virtual_force)
 771                                                                         force = '0 0 0';
 772                                                         }
 773                                                 }
 774                                                 else
 775                                                         damage = 0;
 776                                         }
 777                                 }
 778                         }
 779                 }
 780
 781                 if (!DEATH_ISSPECIAL(deathtype))
 782                 {
 783                         damage *= g_weapondamagefactor;
 784                         mirrordamage *= g_weapondamagefactor;
 785                         complainteamdamage *= g_weapondamagefactor;
 786                         force = force * g_weaponforcefactor;
 787                         mirrorforce *= g_weaponforcefactor;
 788                 }
 789
 790                 // should this be changed at all? If so, in what way?
 791                 frag_attacker = attacker;
 792                 frag_target = targ;
 793                 frag_damage = damage;
 794                 frag_force = force;
 795                 frag_deathtype = deathtype;
 796                 frag_mirrordamage = mirrordamage;
 797                 MUTATOR_CALLHOOK(PlayerDamage_Calculate);
 798                 damage = frag_damage;
 799                 mirrordamage = frag_mirrordamage;
 800                 force = frag_force;
 801
 802                 if(targ.frozen)
 803                 if(deathtype != DEATH_HURTTRIGGER && deathtype != DEATH_TEAMCHANGE && deathtype != DEATH_AUTOTEAMCHANGE)
 804                 {
 805                         if(autocvar_g_freezetag_revive_falldamage > 0)
 806                         if(deathtype == DEATH_FALL)
 807                         if(damage >= autocvar_g_freezetag_revive_falldamage)
 808                         {
 809                                 Unfreeze(targ);
 810                                 targ.health = autocvar_g_freezetag_revive_falldamage_health;
 811                                 pointparticles(particleeffectnum("iceorglass"), targ.origin, '0 0 0', 3);
 812                                 Send_Notification(NOTIF_ALL, world, MSG_INFO, INFO_FREEZETAG_REVIVED_FALL, targ.netname);
 813                                 Send_Notification(NOTIF_ONE, targ, MSG_CENTER, CENTER_FREEZETAG_REVIVE_SELF);
 814                         }
 815
 816                         damage = 0;
 817                         force *= autocvar_g_freezetag_frozen_force;
 818                 }
 819
 820                 if(targ.frozen && deathtype == DEATH_HURTTRIGGER && !autocvar_g_freezetag_frozen_damage_trigger)
 821                 {
 822                         pointparticles(particleeffectnum("teleport"), targ.origin, '0 0 0', 1);
 823
 824                         entity oldself = self;
 825                         self = targ;
 826                         entity spot = SelectSpawnPoint (false);
 827
 828                         if(spot)
 829                         {
 830                                 damage = 0;
 831                                 self.deadflag = DEAD_NO;
 832
 833                                 self.angles = spot.angles;
 834
 835                                 self.effects = 0;
 836                                 self.effects |= EF_TELEPORT_BIT;
 837
 838                                 self.angles_z = 0; // never spawn tilted even if the spot says to
 839                                 self.fixangle = true; // turn this way immediately
 840                                 self.velocity = '0 0 0';
 841                                 self.avelocity = '0 0 0';
 842                                 self.punchangle = '0 0 0';
 843                                 self.punchvector = '0 0 0';
 844                                 self.oldvelocity = self.velocity;
 845
 846                                 self.spawnorigin = spot.origin;
 847                                 setorigin (self, spot.origin + '0 0 1' * (1 - self.mins.z - 24));
 848                                 // don't reset back to last position, even if new position is stuck in solid
 849                                 self.oldorigin = self.origin;
 850                                 self.prevorigin = self.origin;
 851
 852                                 pointparticles(particleeffectnum("teleport"), self.origin, '0 0 0', 1);
 853                         }
 854
 855                         self = oldself;
 856                 }
 857
 858                 if(!g_instagib)
 859                 {
 860                         // apply strength multiplier
 861                         if (attacker.items & IT_STRENGTH)
 862                         {
 863                                 if(targ == attacker)
 864                                 {
 865                                         damage = damage * autocvar_g_balance_powerup_strength_selfdamage;
 866                                         force = force * autocvar_g_balance_powerup_strength_selfforce;
 867                                 }
 868                                 else
 869                                 {
 870                                         damage = damage * autocvar_g_balance_powerup_strength_damage;
 871                                         force = force * autocvar_g_balance_powerup_strength_force;
 872                                 }
 873                         }
 874
 875                         // apply invincibility multiplier
 876                         if (targ.items & IT_INVINCIBLE)
 877                                 damage = damage * autocvar_g_balance_powerup_invincible_takedamage;
 878                 }
 879
 880                 if (targ == attacker)
 881                         damage = damage * autocvar_g_balance_selfdamagepercent; // Partial damage if the attacker hits himself
 882
 883                 // count the damage
 884                 if(attacker)
 885                 if(!targ.deadflag)
 886                 if(deathtype != DEATH_BUFF_VENGEANCE)
 887                 if(targ.takedamage == DAMAGE_AIM)
 888                 if(targ != attacker)
 889                 {
 890                         entity victim;
 891                         if((targ.vehicle_flags & VHF_ISVEHICLE) && targ.owner)
 892                                 victim = targ.owner;
 893                         else
 894                                 victim = targ;
 895
 896                         if(IS_PLAYER(victim) || (victim.turrcaps_flags & TFL_TURRCAPS_ISTURRET) || (victim.flags & FL_MONSTER))
 897                         {
 898                                 if(DIFF_TEAM(victim, attacker) && !victim.frozen)
 899                                 {
 900                                         if(damage > 0)
 901                                         {
 902                                                 if(deathtype != DEATH_FIRE)
 903                                                 {
 904                                                         if(victim.BUTTON_CHAT)
 905                                                                 attacker.typehitsound += 1;
 906                                                         else
 907                                                                 attacker.damage_dealt += damage;
 908                                                 }
 909
 910                                                 damage_goodhits += 1;
 911                                                 damage_gooddamage += damage;
 912
 913                                                 if (!DEATH_ISSPECIAL(deathtype))
 914                                                 {
 915                                                         if(IS_PLAYER(targ)) // don't do this for vehicles
 916                                                         if(IsFlying(victim))
 917                                                                 yoda = 1;
 918                                                 }
 919                                         }
 920                                 }
 921                                 else
 922                                 {
 923                                         if(deathtype != DEATH_FIRE)
 924                                         {
 925                                                 attacker.typehitsound += 1;
 926                                         }
 927                                         if(complainteamdamage > 0)
 928                                                 if(time > attacker.teamkill_complain)
 929                                                 {
 930                                                         attacker.teamkill_complain = time + 5;
 931                                                         attacker.teamkill_soundtime = time + 0.4;
 932                                                         attacker.teamkill_soundsource = targ;
 933                                                 }
 934                                 }
 935                         }
 936                 }
 937         }
 938
 939         // apply push
 940         if (self.damageforcescale)
 941         if (vlen(force))
 942         if (!IS_PLAYER(self) || time >= self.spawnshieldtime || self == attacker)
 943         {
 944                 vector farce = damage_explosion_calcpush(self.damageforcescale * force, self.velocity, autocvar_g_balance_damagepush_speedfactor);
 945                 if(self.movetype == MOVETYPE_PHYSICS)
 946                 {
 947                         entity farcent;
 948                         farcent = spawn();
 949                         farcent.classname = "farce";
 950                         farcent.enemy = self;
 951                         farcent.movedir = farce * 10;
 952                         if(self.mass)
 953                                 farcent.movedir = farcent.movedir * self.mass;
 954                         farcent.origin = hitloc;
 955                         farcent.forcetype = FORCETYPE_FORCEATPOS;
 956                         farcent.nextthink = time + 0.1;
 957                         farcent.think = SUB_Remove;
 958                 }
 959                 else
 960                         self.velocity = self.velocity + farce;
 961                 self.flags &= ~FL_ONGROUND;
 962                 UpdateCSQCProjectile(self);
 963         }
 964         // apply damage
 965         if (damage != 0 || (self.damageforcescale && vlen(force)))
 966         if (self.event_damage)
 967                 self.event_damage (inflictor, attacker, damage, deathtype, hitloc, force);
 968         self = oldself;
 969
 970         // apply mirror damage if any
 971         if(mirrordamage > 0 || mirrorforce > 0)
 972         {
 973                 attacker = attacker_save;
 974
 975                 force = normalize(attacker.origin + attacker.view_ofs - hitloc) * mirrorforce;
 976                 Damage(attacker, inflictor, attacker, mirrordamage, DEATH_MIRRORDAMAGE, attacker.origin, force);
 977         }
 978 }
 979
 980 float RadiusDamage_running;
 981 float RadiusDamageForSource (entity inflictor, vector inflictororigin, vector inflictorvelocity, entity attacker, float coredamage, float edgedamage, float rad, entity cantbe, entity mustbe, float inflictorselfdamage, float forceintensity, float deathtype, entity directhitentity)
 982         // Returns total damage applies to creatures
 983 {
 984         entity  targ;
 985         vector  force;
 986         float   total_damage_to_creatures;
 987         entity  next;
 988         float   tfloordmg;
 989         float   tfloorforce;
 990
 991         float stat_damagedone;
 992
 993         if(RadiusDamage_running)
 994         {
 995                 backtrace("RadiusDamage called recursively! Expect stuff to go HORRIBLY wrong.");
 996                 return 0;
 997         }
 998
 999         RadiusDamage_running = 1;
1000
1001         tfloordmg = autocvar_g_throughfloor_damage;
1002         tfloorforce = autocvar_g_throughfloor_force;
1003
1004         total_damage_to_creatures = 0;
1005
1006         if(deathtype != (WEP_HOOK | HITTYPE_SECONDARY | HITTYPE_BOUNCE)) // only send gravity bomb damage once
1007                 if(DEATH_WEAPONOF(deathtype) != WEP_TUBA) // do not send tuba damage (bandwidth hog)
1008                 {
1009                         force = inflictorvelocity;
1010                         if(vlen(force) == 0)
1011                                 force = '0 0 -1';
1012                         else
1013                                 force = normalize(force);
1014                         if(forceintensity >= 0)
1015                                 Damage_DamageInfo(inflictororigin, coredamage, edgedamage, rad, forceintensity * force, deathtype, 0, attacker);
1016                         else
1017                                 Damage_DamageInfo(inflictororigin, coredamage, edgedamage, -rad, (-forceintensity) * force, deathtype, 0, attacker);
1018                 }
1019
1020         stat_damagedone = 0;
1021
1022         targ = WarpZone_FindRadius (inflictororigin, rad + MAX_DAMAGEEXTRARADIUS, false);
1023         while (targ)
1024         {
1025                 next = targ.chain;
1026                 if ((targ != inflictor) || inflictorselfdamage)
1027                 if (((cantbe != targ) && !mustbe) || (mustbe == targ))
1028                 if (targ.takedamage)
1029                 {
1030                         vector nearest;
1031                         vector diff;
1032                         float power;
1033
1034                         // LordHavoc: measure distance to nearest point on target (not origin)
1035                         // (this guarentees 100% damage on a touch impact)
1036                         nearest = targ.WarpZone_findradius_nearest;
1037                         diff = targ.WarpZone_findradius_dist;
1038                         // round up a little on the damage to ensure full damage on impacts
1039                         // and turn the distance into a fraction of the radius
1040                         power = 1 - ((vlen (diff) - bound(MIN_DAMAGEEXTRARADIUS, targ.damageextraradius, MAX_DAMAGEEXTRARADIUS)) / rad);
1041                         //bprint(" ");
1042                         //bprint(ftos(power));
1043                         //if (targ == attacker)
1044                         //      print(ftos(power), "\n");
1045                         if (power > 0)
1046                         {
1047                                 float finaldmg;
1048                                 if (power > 1)
1049                                         power = 1;
1050                                 finaldmg = coredamage * power + edgedamage * (1 - power);
1051                                 if (finaldmg > 0)
1052                                 {
1053                                         float a;
1054                                         float c;
1055                                         vector hitloc;
1056                                         vector myblastorigin;
1057                                         vector center;
1058
1059                                         myblastorigin = WarpZone_TransformOrigin(targ, inflictororigin);
1060
1061                                         // if it's a player, use the view origin as reference
1062                                         center = CENTER_OR_VIEWOFS(targ);
1063
1064                                         force = normalize(center - myblastorigin);
1065                                         force = force * (finaldmg / coredamage) * forceintensity;
1066                                         hitloc = nearest;
1067
1068                                         if(deathtype & WEP_BLASTER)
1069                                                 force *= WEP_CVAR_BOTH(blaster, !(deathtype & HITTYPE_SECONDARY), force_zscale);
1070
1071                                         if(targ != directhitentity)
1072                                         {
1073                                                 float hits;
1074                                                 float total;
1075                                                 float hitratio;
1076                                                 float mininv_f, mininv_d;
1077
1078                                                 // test line of sight to multiple positions on box,
1079                                                 // and do damage if any of them hit
1080                                                 hits = 0;
1081
1082                                                 // we know: max stddev of hitratio = 1 / (2 * sqrt(n))
1083                                                 // so for a given max stddev:
1084                                                 // n = (1 / (2 * max stddev of hitratio))^2
1085
1086                                                 mininv_d = (finaldmg * (1-tfloordmg)) / autocvar_g_throughfloor_damage_max_stddev;
1087                                                 mininv_f = (vlen(force) * (1-tfloorforce)) / autocvar_g_throughfloor_force_max_stddev;
1088
1089                                                 if(autocvar_g_throughfloor_debug)
1090                                                         printf("THROUGHFLOOR: D=%f F=%f max(dD)=1/%f max(dF)=1/%f", finaldmg, vlen(force), mininv_d, mininv_f);
1091
1092
1093                                                 total = 0.25 * pow(max(mininv_f, mininv_d), 2);
1094
1095                                                 if(autocvar_g_throughfloor_debug)
1096                                                         printf(" steps=%f", total);
1097
1098
1099                                                 if (IS_PLAYER(targ))
1100                                                         total = ceil(bound(autocvar_g_throughfloor_min_steps_player, total, autocvar_g_throughfloor_max_steps_player));
1101                                                 else
1102                                                         total = ceil(bound(autocvar_g_throughfloor_min_steps_other, total, autocvar_g_throughfloor_max_steps_other));
1103
1104                                                 if(autocvar_g_throughfloor_debug)
1105                                                         printf(" steps=%f dD=%f dF=%f", total, finaldmg * (1-tfloordmg) / (2 * sqrt(total)), vlen(force) * (1-tfloorforce) / (2 * sqrt(total)));
1106
1107                                                 for(c = 0; c < total; ++c)
1108                                                 {
1109                                                         //traceline(targ.WarpZone_findradius_findorigin, nearest, MOVE_NOMONSTERS, inflictor);
1110                                                         WarpZone_TraceLine(inflictororigin, WarpZone_UnTransformOrigin(targ, nearest), MOVE_NOMONSTERS, inflictor);
1111                                                         if (trace_fraction == 1 || trace_ent == targ)
1112                                                         {
1113                                                                 ++hits;
1114                                                                 if (hits > 1)
1115                                                                         hitloc = hitloc + nearest;
1116                                                                 else
1117                                                                         hitloc = nearest;
1118                                                         }
1119                                                         nearest_x = targ.origin.x + targ.mins.x + random() * targ.size.x;
1120                                                         nearest_y = targ.origin.y + targ.mins.y + random() * targ.size.y;
1121                                                         nearest_z = targ.origin.z + targ.mins.z + random() * targ.size.z;
1122                                                 }
1123
1124                                                 nearest = hitloc * (1 / max(1, hits));
1125                                                 hitratio = (hits / total);
1126                                                 a = bound(0, tfloordmg + (1-tfloordmg) * hitratio, 1);
1127                                                 finaldmg = finaldmg * a;
1128                                                 a = bound(0, tfloorforce + (1-tfloorforce) * hitratio, 1);
1129                                                 force = force * a;
1130
1131                                                 if(autocvar_g_throughfloor_debug)
1132                                                         printf(" D=%f F=%f\n", finaldmg, vlen(force));
1133                                         }
1134
1135                                         //if (targ == attacker)
1136                                         //{
1137                                         //      print("hits ", ftos(hits), " / ", ftos(total));
1138                                         //      print(" finaldmg ", ftos(finaldmg), " force ", vtos(force));
1139                                         //      print(" (", ftos(a), ")\n");
1140                                         //}
1141                                         if(finaldmg || vlen(force))
1142                                         {
1143                                                 if(targ.iscreature)
1144                                                 {
1145                                                         total_damage_to_creatures += finaldmg;
1146
1147                                                         if(accuracy_isgooddamage(attacker, targ))
1148                                                                 stat_damagedone += finaldmg;
1149                                                 }
1150
1151                                                 if(targ == directhitentity || DEATH_ISSPECIAL(deathtype))
1152                                                         Damage (targ, inflictor, attacker, finaldmg, deathtype, nearest, force);
1153                                                 else
1154                                                         Damage (targ, inflictor, attacker, finaldmg, deathtype | HITTYPE_SPLASH, nearest, force);
1155                                         }
1156                                 }
1157                         }
1158                 }
1159                 targ = next;
1160         }
1161
1162         RadiusDamage_running = 0;
1163
1164         if(!DEATH_ISSPECIAL(deathtype))
1165                 accuracy_add(attacker, DEATH_WEAPONOFWEAPONDEATH(deathtype), 0, min(coredamage, stat_damagedone));
1166
1167         return total_damage_to_creatures;
1168 }
1169
1170 float RadiusDamage (entity inflictor, entity attacker, float coredamage, float edgedamage, float rad, entity cantbe, entity mustbe, float forceintensity, float deathtype, entity directhitentity)
1171 {
1172         return RadiusDamageForSource (inflictor, (inflictor.origin + (inflictor.mins + inflictor.maxs) * 0.5), inflictor.velocity, attacker, coredamage, edgedamage, rad, cantbe, mustbe, false, forceintensity, deathtype, directhitentity);
1173 }
1174
1175 .float fire_damagepersec;
1176 .float fire_endtime;
1177 .float fire_deathtype;
1178 .entity fire_owner;
1179 .float fire_hitsound;
1180 .entity fire_burner;
1181
1182 void fireburner_think();
1183
1184 float Fire_IsBurning(entity e)
1185 {
1186         return (time < e.fire_endtime);
1187 }
1188
1189 float Fire_AddDamage(entity e, entity o, float d, float t, float dt)
1190 {
1191         float dps;
1192         float maxtime, mintime, maxdamage, mindamage, maxdps, mindps, totaldamage, totaltime;
1193
1194         if(IS_PLAYER(e))
1195         {
1196                 if(e.deadflag)
1197                         return -1;
1198         }
1199         else
1200         {
1201                 if(!e.fire_burner)
1202                 {
1203                         // print("adding a fire burner to ", e.classname, "\n");
1204                         e.fire_burner = spawn();
1205                         e.fire_burner.classname = "fireburner";
1206                         e.fire_burner.think = fireburner_think;
1207                         e.fire_burner.nextthink = time;
1208                         e.fire_burner.owner = e;
1209                 }
1210         }
1211
1212         t = max(t, 0.1);
1213         dps = d / t;
1214         if(Fire_IsBurning(e))
1215         {
1216                 mintime = e.fire_endtime - time;
1217                 maxtime = max(mintime, t);
1218
1219                 mindps = e.fire_damagepersec;
1220                 maxdps = max(mindps, dps);
1221
1222                 if(maxtime > mintime || maxdps > mindps)
1223                 {
1224                         // Constraints:
1225
1226                         // damage we have right now
1227                         mindamage = mindps * mintime;
1228
1229                         // damage we want to get
1230                         maxdamage = mindamage + d;
1231
1232                         // but we can't exceed maxtime * maxdps!
1233                         totaldamage = min(maxdamage, maxtime * maxdps);
1234
1235                         // LEMMA:
1236                         // Look at:
1237                         // totaldamage = min(mindamage + d, maxtime * maxdps)
1238                         // We see:
1239                         // totaldamage <= maxtime * maxdps
1240                         // ==> totaldamage / maxdps <= maxtime.
1241                         // We also see:
1242                         // totaldamage / mindps = min(mindamage / mindps + d, maxtime * maxdps / mindps)
1243                         //                     >= min(mintime, maxtime)
1244                         // ==> totaldamage / maxdps >= mintime.
1245
1246                         /*
1247                         // how long do we damage then?
1248                         // at least as long as before
1249                         // but, never exceed maxdps
1250                         totaltime = max(mintime, totaldamage / maxdps); // always <= maxtime due to lemma
1251                         */
1252
1253                         // alternate:
1254                         // at most as long as maximum allowed
1255                         // but, never below mindps
1256                         totaltime = min(maxtime, totaldamage / mindps); // always >= mintime due to lemma
1257
1258                         // assuming t > mintime, dps > mindps:
1259                         // we get d = t * dps = maxtime * maxdps
1260                         // totaldamage = min(maxdamage, maxtime * maxdps) = min(... + d, maxtime * maxdps) = maxtime * maxdps
1261                         // totaldamage / maxdps = maxtime
1262                         // totaldamage / mindps > totaldamage / maxdps = maxtime
1263                         // FROM THIS:
1264                         // a) totaltime = max(mintime, maxtime) = maxtime
1265                         // b) totaltime = min(maxtime, totaldamage / maxdps) = maxtime
1266
1267                         // assuming t <= mintime:
1268                         // we get maxtime = mintime
1269                         // a) totaltime = max(mintime, ...) >= mintime, also totaltime <= maxtime by the lemma, therefore totaltime = mintime = maxtime
1270                         // b) totaltime = min(maxtime, ...) <= maxtime, also totaltime >= mintime by the lemma, therefore totaltime = mintime = maxtime
1271
1272                         // assuming dps <= mindps:
1273                         // we get mindps = maxdps.
1274                         // With this, the lemma says that mintime <= totaldamage / mindps = totaldamage / maxdps <= maxtime.
1275                         // a) totaltime = max(mintime, totaldamage / maxdps) = totaldamage / maxdps
1276                         // b) totaltime = min(maxtime, totaldamage / mindps) = totaldamage / maxdps
1277
1278                         e.fire_damagepersec = totaldamage / totaltime;
1279                         e.fire_endtime = time + totaltime;
1280                         if(totaldamage > 1.2 * mindamage)
1281                         {
1282                                 e.fire_deathtype = dt;
1283                                 if(e.fire_owner != o)
1284                                 {
1285                                         e.fire_owner = o;
1286                                         e.fire_hitsound = false;
1287                                 }
1288                         }
1289                         if(accuracy_isgooddamage(o, e))
1290                                 accuracy_add(o, DEATH_WEAPONOFWEAPONDEATH(dt), 0, max(0, totaldamage - mindamage));
1291                         return max(0, totaldamage - mindamage); // can never be negative, but to make sure
1292                 }
1293                 else
1294                         return 0;
1295         }
1296         else
1297         {
1298                 e.fire_damagepersec = dps;
1299                 e.fire_endtime = time + t;
1300                 e.fire_deathtype = dt;
1301                 e.fire_owner = o;
1302                 e.fire_hitsound = false;
1303                 if(accuracy_isgooddamage(o, e))
1304                         accuracy_add(o, DEATH_WEAPONOFWEAPONDEATH(dt), 0, d);
1305                 return d;
1306         }
1307 }
1308
1309 void Fire_ApplyDamage(entity e)
1310 {
1311         float t, d, hi, ty;
1312         entity o;
1313
1314         if (!Fire_IsBurning(e))
1315                 return;
1316
1317         for(t = 0, o = e.owner; o.owner && t < 16; o = o.owner, ++t);
1318         if(IS_NOT_A_CLIENT(o))
1319                 o = e.fire_owner;
1320
1321         // water and slime stop fire
1322         if(e.waterlevel)
1323         if(e.watertype != CONTENT_LAVA)
1324                 e.fire_endtime = 0;
1325
1326         // ice stops fire
1327         if(e.frozen)
1328                 e.fire_endtime = 0;
1329
1330         t = min(frametime, e.fire_endtime - time);
1331         d = e.fire_damagepersec * t;
1332
1333         hi = e.fire_owner.damage_dealt;
1334         ty = e.fire_owner.typehitsound;
1335         Damage(e, e, e.fire_owner, d, e.fire_deathtype, e.origin, '0 0 0');
1336         if(e.fire_hitsound && e.fire_owner)
1337         {
1338                 e.fire_owner.damage_dealt = hi;
1339                 e.fire_owner.typehitsound = ty;
1340         }
1341         e.fire_hitsound = true;
1342
1343         if (!IS_INDEPENDENT_PLAYER(e))
1344         if(!e.frozen)
1345         FOR_EACH_PLAYER(other) if(e != other)
1346         {
1347                 if(IS_PLAYER(other))
1348                 if(other.deadflag == DEAD_NO)
1349                 if (!IS_INDEPENDENT_PLAYER(other))
1350                 if(boxesoverlap(e.absmin, e.absmax, other.absmin, other.absmax))
1351                 {
1352                         t = autocvar_g_balance_firetransfer_time * (e.fire_endtime - time);
1353                         d = autocvar_g_balance_firetransfer_damage * e.fire_damagepersec * t;
1354                         Fire_AddDamage(other, o, d, t, DEATH_FIRE);
1355                 }
1356         }
1357 }
1358
1359 void Fire_ApplyEffect(entity e)
1360 {
1361         if(Fire_IsBurning(e))
1362                 e.effects |= EF_FLAME;
1363         else
1364                 e.effects &= ~EF_FLAME;
1365 }
1366
1367 void fireburner_think()
1368 {
1369         // for players, this is done in the regular loop
1370         if(wasfreed(self.owner))
1371         {
1372                 remove(self);
1373                 return;
1374         }
1375         Fire_ApplyEffect(self.owner);
1376         if(!Fire_IsBurning(self.owner))
1377         {
1378                 self.owner.fire_burner = world;
1379                 remove(self);
1380                 return;
1381         }
1382         Fire_ApplyDamage(self.owner);
1383         self.nextthink = time;
1384 }