src/game/Spell.h

   1 /*
   2  * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #ifndef __SPELL_H
  20 #define __SPELL_H
  21
  22 #include "GridDefines.h"
  23 #include "SharedDefines.h"
  24
  25 class WorldSession;
  26 class Unit;
  27 class DynamicObj;
  28 class Player;
  29 class GameObject;
  30 class Group;
  31 class Aura;
  32
  33 enum SpellCastTargetFlags
  34 {
  35     TARGET_FLAG_SELF            = 0x00000000,
  36     TARGET_FLAG_UNUSED1         = 0x00000001,               // not used in any spells as of 3.0.3 (can be set dynamically)
  37     TARGET_FLAG_UNIT            = 0x00000002,               // pguid
  38     TARGET_FLAG_UNUSED2         = 0x00000004,               // not used in any spells as of 3.0.3 (can be set dynamically)
  39     TARGET_FLAG_UNUSED3         = 0x00000008,               // not used in any spells as of 3.0.3 (can be set dynamically)
  40     TARGET_FLAG_ITEM            = 0x00000010,               // pguid
  41     TARGET_FLAG_SOURCE_LOCATION = 0x00000020,               // 3 float
  42     TARGET_FLAG_DEST_LOCATION   = 0x00000040,               // 3 float
  43     TARGET_FLAG_OBJECT_UNK      = 0x00000080,               // used in 7 spells only
  44     TARGET_FLAG_UNIT_UNK        = 0x00000100,               // looks like self target (480 spells)
  45     TARGET_FLAG_PVP_CORPSE      = 0x00000200,               // pguid
  46     TARGET_FLAG_UNIT_CORPSE     = 0x00000400,               // 10 spells (gathering professions)
  47     TARGET_FLAG_OBJECT          = 0x00000800,               // pguid, 2 spells
  48     TARGET_FLAG_TRADE_ITEM      = 0x00001000,               // pguid, 0 spells
  49     TARGET_FLAG_STRING          = 0x00002000,               // string, 0 spells
  50     TARGET_FLAG_UNK1            = 0x00004000,               // 199 spells, opening object/lock
  51     TARGET_FLAG_CORPSE          = 0x00008000,               // pguid, resurrection spells
  52     TARGET_FLAG_UNK2            = 0x00010000,               // pguid, not used in any spells as of 3.0.3 (can be set dynamically)
  53     TARGET_FLAG_GLYPH           = 0x00020000                // used in glyph spells
  54 };
  55
  56 enum SpellCastFlags
  57 {
  58     CAST_FLAG_NONE               = 0x00000000,
  59     CAST_FLAG_UNKNOWN0           = 0x00000001,              // may be pending spell cast
  60     CAST_FLAG_UNKNOWN1           = 0x00000002,
  61     CAST_FLAG_UNKNOWN11          = 0x00000004,
  62     CAST_FLAG_UNKNOWN12          = 0x00000008,
  63     CAST_FLAG_UNKNOWN2           = 0x00000010,
  64     CAST_FLAG_AMMO               = 0x00000020,              // Projectiles visual
  65     CAST_FLAG_UNKNOWN8           = 0x00000040,
  66     CAST_FLAG_UNKNOWN9           = 0x00000080,
  67     CAST_FLAG_UNKNOWN3           = 0x00000100,
  68     CAST_FLAG_UNKNOWN13          = 0x00000200,
  69     CAST_FLAG_UNKNOWN14          = 0x00000400,
  70     CAST_FLAG_UNKNOWN6           = 0x00000800,              // wotlk, trigger rune cooldown
  71     CAST_FLAG_UNKNOWN15          = 0x00001000,
  72     CAST_FLAG_UNKNOWN16          = 0x00002000,
  73     CAST_FLAG_UNKNOWN17          = 0x00004000,
  74     CAST_FLAG_UNKNOWN18          = 0x00008000,
  75     CAST_FLAG_UNKNOWN19          = 0x00010000,
  76     CAST_FLAG_UNKNOWN4           = 0x00020000,              // wotlk
  77     CAST_FLAG_UNKNOWN10          = 0x00040000,
  78     CAST_FLAG_UNKNOWN5           = 0x00080000,              // wotlk
  79     CAST_FLAG_UNKNOWN20          = 0x00100000,
  80     CAST_FLAG_UNKNOWN7           = 0x00200000               // wotlk, rune cooldown list
  81 };
  82
  83 enum SpellNotifyPushType
  84 {
  85     PUSH_IN_FRONT,
  86     PUSH_IN_FRONT_30,
  87     PUSH_IN_BACK,
  88     PUSH_SELF_CENTER,
  89     PUSH_DEST_CENTER,
  90     PUSH_TARGET_CENTER
  91 };
  92
  93 bool IsQuestTameSpell(uint32 spellId);
  94
  95 namespace MaNGOS
  96 {
  97     struct SpellNotifierPlayer;
  98     struct SpellNotifierCreatureAndPlayer;
  99 }
 100
 101 class SpellCastTargets
 102 {
 103     public:
 104         SpellCastTargets();
 105         ~SpellCastTargets();
 106
 107         bool read ( WorldPacket * data, Unit *caster );
 108         void write ( WorldPacket * data );
 109
 110         SpellCastTargets& operator=(const SpellCastTargets &target)
 111         {
 112             m_unitTarget = target.m_unitTarget;
 113             m_itemTarget = target.m_itemTarget;
 114             m_GOTarget   = target.m_GOTarget;
 115
 116             m_unitTargetGUID   = target.m_unitTargetGUID;
 117             m_GOTargetGUID     = target.m_GOTargetGUID;
 118             m_CorpseTargetGUID = target.m_CorpseTargetGUID;
 119             m_itemTargetGUID   = target.m_itemTargetGUID;
 120
 121             m_itemTargetEntry  = target.m_itemTargetEntry;
 122
 123             m_srcX = target.m_srcX;
 124             m_srcY = target.m_srcY;
 125             m_srcZ = target.m_srcZ;
 126
 127             m_destX = target.m_destX;
 128             m_destY = target.m_destY;
 129             m_destZ = target.m_destZ;
 130
 131             m_strTarget = target.m_strTarget;
 132
 133             m_targetMask = target.m_targetMask;
 134
 135             return *this;
 136         }
 137
 138         uint64 getUnitTargetGUID() const { return m_unitTargetGUID; }
 139         Unit *getUnitTarget() const { return m_unitTarget; }
 140         void setUnitTarget(Unit *target);
 141         void setDestination(float x, float y, float z);
 142         void setSource(float x, float y, float z);
 143
 144         uint64 getGOTargetGUID() const { return m_GOTargetGUID; }
 145         GameObject *getGOTarget() const { return m_GOTarget; }
 146         void setGOTarget(GameObject *target);
 147
 148         uint64 getCorpseTargetGUID() const { return m_CorpseTargetGUID; }
 149         void setCorpseTarget(Corpse* corpse);
 150         uint64 getItemTargetGUID() const { return m_itemTargetGUID; }
 151         Item* getItemTarget() const { return m_itemTarget; }
 152         uint32 getItemTargetEntry() const { return m_itemTargetEntry; }
 153         void setItemTarget(Item* item);
 154         void updateTradeSlotItem()
 155         {
 156             if(m_itemTarget && (m_targetMask & TARGET_FLAG_TRADE_ITEM))
 157             {
 158                 m_itemTargetGUID = m_itemTarget->GetGUID();
 159                 m_itemTargetEntry = m_itemTarget->GetEntry();
 160             }
 161         }
 162
 163         bool IsEmpty() const { return m_GOTargetGUID==0 && m_unitTargetGUID==0 && m_itemTarget==0 && m_CorpseTargetGUID==0; }
 164
 165         void Update(Unit* caster);
 166
 167         float m_srcX, m_srcY, m_srcZ;
 168         float m_destX, m_destY, m_destZ;
 169         std::string m_strTarget;
 170
 171         uint32 m_targetMask;
 172     private:
 173         // objects (can be used at spell creating and after Update at casting
 174         Unit *m_unitTarget;
 175         GameObject *m_GOTarget;
 176         Item *m_itemTarget;
 177
 178         // object GUID/etc, can be used always
 179         uint64 m_unitTargetGUID;
 180         uint64 m_GOTargetGUID;
 181         uint64 m_CorpseTargetGUID;
 182         uint64 m_itemTargetGUID;
 183         uint32 m_itemTargetEntry;
 184 };
 185
 186 enum SpellState
 187 {
 188     SPELL_STATE_NULL      = 0,
 189     SPELL_STATE_PREPARING = 1,
 190     SPELL_STATE_CASTING   = 2,
 191     SPELL_STATE_FINISHED  = 3,
 192     SPELL_STATE_IDLE      = 4,
 193     SPELL_STATE_DELAYED   = 5
 194 };
 195
 196 enum SpellTargets
 197 {
 198     SPELL_TARGETS_HOSTILE,
 199     SPELL_TARGETS_NOT_FRIENDLY,
 200     SPELL_TARGETS_NOT_HOSTILE,
 201     SPELL_TARGETS_FRIENDLY,
 202     SPELL_TARGETS_AOE_DAMAGE
 203 };
 204
 205 #define SPELL_SPELL_CHANNEL_UPDATE_INTERVAL (1*IN_MILISECONDS)
 206
 207 typedef std::multimap<uint64, uint64> SpellTargetTimeMap;
 208
 209 class Spell
 210 {
 211     friend struct MaNGOS::SpellNotifierPlayer;
 212     friend struct MaNGOS::SpellNotifierCreatureAndPlayer;
 213     friend void Unit::SetCurrentCastedSpell( Spell * pSpell );
 214     public:
 215
 216         void EffectNULL(uint32 );
 217         void EffectUnused(uint32 );
 218         void EffectDistract(uint32 i);
 219         void EffectPull(uint32 i);
 220         void EffectSchoolDMG(uint32 i);
 221         void EffectEnvirinmentalDMG(uint32 i);
 222         void EffectInstaKill(uint32 i);
 223         void EffectDummy(uint32 i);
 224         void EffectTeleportUnits(uint32 i);
 225         void EffectApplyAura(uint32 i);
 226         void EffectSendEvent(uint32 i);
 227         void EffectPowerBurn(uint32 i);
 228         void EffectPowerDrain(uint32 i);
 229         void EffectHeal(uint32 i);
 230         void EffectHealthLeech(uint32 i);
 231         void EffectQuestComplete(uint32 i);
 232         void EffectCreateItem(uint32 i);
 233         void EffectCreateItem2(uint32 i);
 234         void EffectCreateRandomItem(uint32 i);
 235         void EffectPersistentAA(uint32 i);
 236         void EffectEnergize(uint32 i);
 237         void EffectOpenLock(uint32 i);
 238         void EffectSummonChangeItem(uint32 i);
 239         void EffectProficiency(uint32 i);
 240         void EffectApplyAreaAura(uint32 i);
 241         void EffectSummonType(uint32 i);
 242         void EffectSummon(uint32 i);
 243         void EffectLearnSpell(uint32 i);
 244         void EffectDispel(uint32 i);
 245         void EffectDualWield(uint32 i);
 246         void EffectPickPocket(uint32 i);
 247         void EffectAddFarsight(uint32 i);
 248         void EffectSummonWild(uint32 i);
 249         void EffectSummonGuardian(uint32 i);
 250         void EffectHealMechanical(uint32 i);
 251         void EffectJump(uint32 i);
 252         void EffectTeleUnitsFaceCaster(uint32 i);
 253         void EffectLearnSkill(uint32 i);
 254         void EffectAddHonor(uint32 i);
 255         void EffectTradeSkill(uint32 i);
 256         void EffectEnchantItemPerm(uint32 i);
 257         void EffectEnchantItemTmp(uint32 i);
 258         void EffectTameCreature(uint32 i);
 259         void EffectSummonPet(uint32 i);
 260         void EffectLearnPetSpell(uint32 i);
 261         void EffectWeaponDmg(uint32 i);
 262         void EffectForceCast(uint32 i);
 263         void EffectTriggerSpell(uint32 i);
 264         void EffectTriggerMissileSpell(uint32 i);
 265         void EffectThreat(uint32 i);
 266         void EffectHealMaxHealth(uint32 i);
 267         void EffectInterruptCast(uint32 i);
 268         void EffectSummonObjectWild(uint32 i);
 269         void EffectScriptEffect(uint32 i);
 270         void EffectSanctuary(uint32 i);
 271         void EffectAddComboPoints(uint32 i);
 272         void EffectDuel(uint32 i);
 273         void EffectStuck(uint32 i);
 274         void EffectSummonPlayer(uint32 i);
 275         void EffectActivateObject(uint32 i);
 276         void EffectApplyGlyph(uint32 i);
 277         void EffectSummonTotem(uint32 i);
 278         void EffectEnchantHeldItem(uint32 i);
 279         void EffectSummonObject(uint32 i);
 280         void EffectResurrect(uint32 i);
 281         void EffectParry(uint32 i);
 282         void EffectBlock(uint32 i);
 283         void EffectLeapForward(uint32 i);
 284         void EffectLeapBack(uint32 i);
 285         void EffectTransmitted(uint32 i);
 286         void EffectDisEnchant(uint32 i);
 287         void EffectInebriate(uint32 i);
 288         void EffectFeedPet(uint32 i);
 289         void EffectDismissPet(uint32 i);
 290         void EffectReputation(uint32 i);
 291         void EffectSelfResurrect(uint32 i);
 292         void EffectSkinning(uint32 i);
 293         void EffectCharge(uint32 i);
 294         void EffectCharge2(uint32 i);
 295         void EffectProspecting(uint32 i);
 296         void EffectMilling(uint32 i);
 297         void EffectRenamePet(uint32 i);
 298         void EffectSendTaxi(uint32 i);
 299         void EffectSummonCritter(uint32 i);
 300         void EffectKnockBack(uint32 i);
 301         void EffectPlayerPull(uint32 i);
 302         void EffectDispelMechanic(uint32 i);
 303         void EffectSummonDeadPet(uint32 i);
 304         void EffectDestroyAllTotems(uint32 i);
 305         void EffectDurabilityDamage(uint32 i);
 306         void EffectSkill(uint32 i);
 307         void EffectTaunt(uint32 i);
 308         void EffectDurabilityDamagePCT(uint32 i);
 309         void EffectModifyThreatPercent(uint32 i);
 310         void EffectResurrectNew(uint32 i);
 311         void EffectAddExtraAttacks(uint32 i);
 312         void EffectSpiritHeal(uint32 i);
 313         void EffectSkinPlayerCorpse(uint32 i);
 314         void EffectSummonDemon(uint32 i);
 315         void EffectStealBeneficialBuff(uint32 i);
 316         void EffectUnlearnSpecialization(uint32 i);
 317         void EffectHealPct(uint32 i);
 318         void EffectEnergisePct(uint32 i);
 319         void EffectTriggerSpellWithValue(uint32 i);
 320         void EffectTriggerRitualOfSummoning(uint32 i);
 321         void EffectKillCreditPersonal(uint32 i);
 322         void EffectKillCredit(uint32 i);
 323         void EffectQuestFail(uint32 i);
 324         void EffectActivateRune(uint32 i);
 325         void EffectTitanGrip(uint32 i);
 326         void EffectEnchantItemPrismatic(uint32 i);
 327         void EffectPlayMusic(uint32 i);
 328
 329         Spell( Unit* Caster, SpellEntry const *info, bool triggered, uint64 originalCasterGUID = 0, Spell** triggeringContainer = NULL );
 330         ~Spell();
 331
 332         void prepare(SpellCastTargets const* targets, Aura* triggeredByAura = NULL);
 333         void cancel();
 334         void update(uint32 difftime);
 335         void cast(bool skipCheck = false);
 336         void finish(bool ok = true);
 337         void TakePower();
 338         void TakeRunePower();
 339         void TakeReagents();
 340         void TakeCastItem();
 341
 342         SpellCastResult CheckCast(bool strict);
 343         SpellCastResult CheckPetCast(Unit* target);
 344
 345         // handlers
 346         void handle_immediate();
 347         uint64 handle_delayed(uint64 t_offset);
 348         // handler helpers
 349         void _handle_immediate_phase();
 350         void _handle_finish_phase();
 351
 352         SpellCastResult CheckItems();
 353         SpellCastResult CheckRange(bool strict);
 354         SpellCastResult CheckPower();
 355         SpellCastResult CheckRuneCost(uint32 runeCostID);
 356         SpellCastResult CheckCasterAuras() const;
 357
 358         int32 CalculateDamage(uint8 i, Unit* target) { return m_caster->CalculateSpellDamage(m_spellInfo,i,m_currentBasePoints[i],target); }
 359         int32 CalculatePowerCost();
 360
 361         bool HaveTargetsForEffect(uint8 effect) const;
 362         void Delayed();
 363         void DelayedChannel();
 364         uint32 getState() const { return m_spellState; }
 365         void setState(uint32 state) { m_spellState = state; }
 366
 367         void DoCreateItem(uint32 i, uint32 itemtype);
 368         void WriteSpellGoTargets( WorldPacket * data );
 369         void WriteAmmoToPacket( WorldPacket * data );
 370
 371         typedef std::list<Unit*> UnitList;
 372         void FillTargetMap();
 373         void SetTargetMap(uint32 effIndex,uint32 targetMode,UnitList& TagUnitMap);
 374
 375         void FillAreaTargets( UnitList& TagUnitMap, float x, float y, float radius, SpellNotifyPushType pushType, SpellTargets spellTargets );
 376         void FillRaidOrPartyTargets( UnitList &TagUnitMap, Unit* member, Unit* center, float radius, bool raid, bool withPets, bool withcaster );
 377         void FillRaidOrPartyManaPriorityTargets( UnitList &TagUnitMap, Unit* member, Unit* center, float radius, uint32 count, bool raid, bool withPets, bool withcaster );
 378         void FillRaidOrPartyHealthPriorityTargets( UnitList &TagUnitMap, Unit* member, Unit* center, float radius, uint32 count, bool raid, bool withPets, bool withcaster );
 379
 380         template<typename T> WorldObject* FindCorpseUsing();
 381
 382         bool CheckTarget( Unit* target, uint32 eff );
 383         bool CanAutoCast(Unit* target);
 384
 385         static void MANGOS_DLL_SPEC SendCastResult(Player* caster, SpellEntry const* spellInfo, uint8 cast_count, SpellCastResult result);
 386         void SendCastResult(SpellCastResult result);
 387         void SendSpellStart();
 388         void SendSpellGo();
 389         void SendSpellCooldown();
 390         void SendLogExecute();
 391         void SendInterrupted(uint8 result);
 392         void SendChannelUpdate(uint32 time);
 393         void SendChannelStart(uint32 duration);
 394         void SendResurrectRequest(Player* target);
 395         void SendPlaySpellVisual(uint32 SpellID);
 396
 397         void HandleEffects(Unit *pUnitTarget,Item *pItemTarget,GameObject *pGOTarget,uint32 i, float DamageMultiplier = 1.0);
 398         void HandleThreatSpells(uint32 spellId);
 399         //void HandleAddAura(Unit* Target);
 400
 401         SpellEntry const* m_spellInfo;
 402         int32 m_currentBasePoints[3];                       // cache SpellEntry::EffectBasePoints and use for set custom base points
 403         Item* m_CastItem;
 404         uint8 m_cast_count;
 405         uint32 m_glyphIndex;
 406         SpellCastTargets m_targets;
 407
 408         int32 GetCastTime() const { return m_casttime; }
 409         bool IsAutoRepeat() const { return m_autoRepeat; }
 410         void SetAutoRepeat(bool rep) { m_autoRepeat = rep; }
 411         void ReSetTimer() { m_timer = m_casttime > 0 ? m_casttime : 0; }
 412         bool IsNextMeleeSwingSpell() const
 413         {
 414             return m_spellInfo->Attributes & (SPELL_ATTR_ON_NEXT_SWING_1|SPELL_ATTR_ON_NEXT_SWING_2);
 415         }
 416         bool IsRangedSpell() const
 417         {
 418             return  m_spellInfo->Attributes & SPELL_ATTR_RANGED;
 419         }
 420         bool IsChannelActive() const { return m_caster->GetUInt32Value(UNIT_CHANNEL_SPELL) != 0; }
 421         bool IsMeleeAttackResetSpell() const { return !m_IsTriggeredSpell && (m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_AUTOATTACK);  }
 422         bool IsRangedAttackResetSpell() const { return !m_IsTriggeredSpell && IsRangedSpell() && (m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_AUTOATTACK); }
 423
 424         bool IsDeletable() const { return !m_referencedFromCurrentSpell && !m_executedCurrently; }
 425         void SetReferencedFromCurrent(bool yes) { m_referencedFromCurrentSpell = yes; }
 426         void SetExecutedCurrently(bool yes) { m_executedCurrently = yes; }
 427         uint64 GetDelayStart() const { return m_delayStart; }
 428         void SetDelayStart(uint64 m_time) { m_delayStart = m_time; }
 429         uint64 GetDelayMoment() const { return m_delayMoment; }
 430
 431         bool IsNeedSendToClient() const;
 432
 433         CurrentSpellTypes GetCurrentContainer();
 434
 435         Unit* GetCaster() const { return m_caster; }
 436         Unit* GetOriginalCaster() const { return m_originalCaster; }
 437         int32 GetPowerCost() const { return m_powerCost; }
 438
 439         void UpdatePointers();                              // must be used at call Spell code after time delay (non triggered spell cast/update spell call/etc)
 440
 441         bool IsAffectedByAura(Aura *aura);
 442
 443         bool CheckTargetCreatureType(Unit* target) const;
 444
 445         void AddTriggeredSpell(SpellEntry const* spellInfo) { m_TriggerSpells.push_back(spellInfo); }
 446         void AddPrecastSpell(SpellEntry const* spellInfo) { m_preCastSpells.push_back(spellInfo); }
 447         void AddTriggeredSpell(uint32 spellId);
 448         void AddPrecastSpell(uint32 spellId);
 449         void CastPreCastSpells(Unit* target);
 450         void CastTriggerSpells();
 451
 452         void CleanupTargetList();
 453     protected:
 454
 455         void SendLoot(uint64 guid, LootType loottype);
 456
 457         Unit* m_caster;
 458
 459         uint64 m_originalCasterGUID;                        // real source of cast (aura caster/etc), used for spell targets selection
 460                                                             // e.g. damage around area spell trigered by victim aura and da,age emeies of aura caster
 461         Unit* m_originalCaster;                             // cached pointer for m_originalCaster, updated at Spell::UpdatePointers()
 462
 463         Spell** m_selfContainer;                            // pointer to our spell container (if applicable)
 464         Spell** m_triggeringContainer;                      // pointer to container with spell that has triggered us
 465
 466         //Spell data
 467         SpellSchoolMask m_spellSchoolMask;                  // Spell school (can be overwrite for some spells (wand shoot for example)
 468         WeaponAttackType m_attackType;                      // For weapon based attack
 469         int32 m_powerCost;                                  // Calculated spell cost     initialized only in Spell::prepare
 470         int32 m_casttime;                                   // Calculated spell cast time initialized only in Spell::prepare
 471         bool m_canReflect;                                  // can reflect this spell?
 472         bool m_autoRepeat;
 473         uint8 m_runesState;
 474
 475         uint8 m_delayAtDamageCount;
 476         bool isDelayableNoMore()
 477         {
 478             if(m_delayAtDamageCount >= 2)
 479                 return true;
 480
 481             m_delayAtDamageCount++;
 482             return false;
 483         }
 484
 485         // Delayed spells system
 486         uint64 m_delayStart;                                // time of spell delay start, filled by event handler, zero = just started
 487         uint64 m_delayMoment;                               // moment of next delay call, used internally
 488         bool m_immediateHandled;                            // were immediate actions handled? (used by delayed spells only)
 489
 490         // These vars are used in both delayed spell system and modified immediate spell system
 491         bool m_referencedFromCurrentSpell;                  // mark as references to prevent deleted and access by dead pointers
 492         bool m_executedCurrently;                           // mark as executed to prevent deleted and access by dead pointers
 493         bool m_needSpellLog;                                // need to send spell log?
 494         uint8 m_applyMultiplierMask;                        // by effect: damage multiplier needed?
 495         float m_damageMultipliers[3];                       // by effect: damage multiplier
 496
 497         // Current targets, to be used in SpellEffects (MUST BE USED ONLY IN SPELL EFFECTS)
 498         Unit* unitTarget;
 499         Item* itemTarget;
 500         GameObject* gameObjTarget;
 501         int32 damage;
 502
 503         // this is set in Spell Hit, but used in Apply Aura handler
 504         DiminishingLevels m_diminishLevel;
 505         DiminishingGroup m_diminishGroup;
 506
 507         // -------------------------------------------
 508         GameObject* focusObject;
 509
 510         // Damage and healing in effects need just calculate
 511         int32 m_damage;           // Damge   in effects count here
 512         int32 m_healing;          // Healing in effects count here
 513         int32 m_healthLeech;      // Health leech in effects for all targets count here
 514
 515         //******************************************
 516         // Spell trigger system
 517         //******************************************
 518         bool   m_canTrigger;                  // Can start trigger (m_IsTriggeredSpell can`t use for this)
 519         uint32 m_procAttacker;                // Attacker trigger flags
 520         uint32 m_procVictim;                  // Victim   trigger flags
 521         void   prepareDataForTriggerSystem();
 522
 523         //*****************************************
 524         // Spell target subsystem
 525         //*****************************************
 526         // Targets store structures and data
 527         struct TargetInfo
 528         {
 529             uint64 targetGUID;
 530             uint64 timeDelay;
 531             SpellMissInfo missCondition:8;
 532             SpellMissInfo reflectResult:8;
 533             uint8  effectMask:8;
 534             bool   processed:1;
 535         };
 536         std::list<TargetInfo> m_UniqueTargetInfo;
 537         uint8 m_needAliveTargetMask;                        // Mask req. alive targets
 538
 539         struct GOTargetInfo
 540         {
 541             uint64 targetGUID;
 542             uint64 timeDelay;
 543             uint8  effectMask:8;
 544             bool   processed:1;
 545         };
 546         std::list<GOTargetInfo> m_UniqueGOTargetInfo;
 547
 548         struct ItemTargetInfo
 549         {
 550             Item  *item;
 551             uint8 effectMask;
 552         };
 553         std::list<ItemTargetInfo> m_UniqueItemInfo;
 554
 555         void AddUnitTarget(Unit* target, uint32 effIndex);
 556         void AddUnitTarget(uint64 unitGUID, uint32 effIndex);
 557         void AddGOTarget(GameObject* target, uint32 effIndex);
 558         void AddGOTarget(uint64 goGUID, uint32 effIndex);
 559         void AddItemTarget(Item* target, uint32 effIndex);
 560         void DoAllEffectOnTarget(TargetInfo *target);
 561         void DoSpellHitOnUnit(Unit *unit, uint32 effectMask);
 562         void DoAllEffectOnTarget(GOTargetInfo *target);
 563         void DoAllEffectOnTarget(ItemTargetInfo *target);
 564         bool IsAliveUnitPresentInTargetList();
 565         SpellCastResult CanOpenLock(uint32 effIndex, uint32 lockid, SkillType& skillid, int32& reqSkillValue, int32& skillValue);
 566         // -------------------------------------------
 567
 568         //List For Triggered Spells
 569         typedef std::list<SpellEntry const*> SpellInfoList;
 570         SpellInfoList m_TriggerSpells;                      // casted by caster to same targets settings in m_targets at success finish of current spell
 571         SpellInfoList m_preCastSpells;                      // casted by caster to each target at spell hit before spell effects apply
 572
 573         uint32 m_spellState;
 574         uint32 m_timer;
 575
 576         float m_castPositionX;
 577         float m_castPositionY;
 578         float m_castPositionZ;
 579         float m_castOrientation;
 580         bool m_IsTriggeredSpell;
 581
 582         // if need this can be replaced by Aura copy
 583         // we can't store original aura link to prevent access to deleted auras
 584         // and in same time need aura data and after aura deleting.
 585         SpellEntry const* m_triggeredByAuraSpell;
 586 };
 587
 588 enum ReplenishType
 589 {
 590     REPLENISH_UNDEFINED = 0,
 591     REPLENISH_HEALTH    = 20,
 592     REPLENISH_MANA      = 21,
 593     REPLENISH_RAGE      = 22
 594 };
 595
 596 namespace MaNGOS
 597 {
 598     struct MANGOS_DLL_DECL SpellNotifierPlayer
 599     {
 600         std::list<Unit*> &i_data;
 601         Spell &i_spell;
 602         const uint32& i_index;
 603         float i_radius;
 604         Unit* i_originalCaster;
 605
 606         SpellNotifierPlayer(Spell &spell, std::list<Unit*> &data, const uint32 &i, float radius)
 607             : i_data(data), i_spell(spell), i_index(i), i_radius(radius)
 608         {
 609             i_originalCaster = i_spell.GetOriginalCaster();
 610         }
 611
 612         void Visit(PlayerMapType &m)
 613         {
 614             if(!i_originalCaster)
 615                 return;
 616
 617             for(PlayerMapType::iterator itr=m.begin(); itr != m.end(); ++itr)
 618             {
 619                 Player * pPlayer = itr->getSource();
 620                 if( !pPlayer->isAlive() || pPlayer->isInFlight())
 621                     continue;
 622
 623                 if( i_originalCaster->IsFriendlyTo(pPlayer) )
 624                     continue;
 625
 626                 if( pPlayer->IsWithinDist3d(i_spell.m_targets.m_destX, i_spell.m_targets.m_destY, i_spell.m_targets.m_destZ,i_radius))
 627                     i_data.push_back(pPlayer);
 628             }
 629         }
 630         template<class SKIP> void Visit(GridRefManager<SKIP> &) {}
 631     };
 632
 633     struct MANGOS_DLL_DECL SpellNotifierCreatureAndPlayer
 634     {
 635         std::list<Unit*> *i_data;
 636         Spell &i_spell;
 637         SpellNotifyPushType i_push_type;
 638         float i_radius;
 639         SpellTargets i_TargetType;
 640         Unit* i_originalCaster;
 641
 642         SpellNotifierCreatureAndPlayer(Spell &spell, std::list<Unit*> &data, float radius, SpellNotifyPushType type,
 643             SpellTargets TargetType = SPELL_TARGETS_NOT_FRIENDLY)
 644             : i_data(&data), i_spell(spell), i_push_type(type), i_radius(radius), i_TargetType(TargetType)
 645         {
 646             i_originalCaster = spell.GetOriginalCaster();
 647         }
 648
 649         template<class T> inline void Visit(GridRefManager<T>  &m)
 650         {
 651             assert(i_data);
 652
 653             if(!i_originalCaster)
 654                 return;
 655
 656             for(typename GridRefManager<T>::iterator itr = m.begin(); itr != m.end(); ++itr)
 657             {
 658                 if( !itr->getSource()->isAlive() || (itr->getSource()->GetTypeId() == TYPEID_PLAYER && ((Player*)itr->getSource())->isInFlight()))
 659                     continue;
 660
 661                 // mostly phase check
 662                 if(!itr->getSource()->IsInMap(i_originalCaster))
 663                     continue;
 664
 665                 switch (i_TargetType)
 666                 {
 667                     case SPELL_TARGETS_HOSTILE:
 668                         if (!itr->getSource()->isTargetableForAttack() || !i_originalCaster->IsHostileTo( itr->getSource() ))
 669                             continue;
 670                         break;
 671                     case SPELL_TARGETS_NOT_FRIENDLY:
 672                         if (!itr->getSource()->isTargetableForAttack() || i_originalCaster->IsFriendlyTo( itr->getSource() ))
 673                             continue;
 674                         break;
 675                     case SPELL_TARGETS_NOT_HOSTILE:
 676                         if (!itr->getSource()->isTargetableForAttack() || i_originalCaster->IsHostileTo( itr->getSource() ))
 677                             continue;
 678                         break;
 679                     case SPELL_TARGETS_FRIENDLY:
 680                         if (!itr->getSource()->isTargetableForAttack() || !i_originalCaster->IsFriendlyTo( itr->getSource() ))
 681                             continue;
 682                         break;
 683                     case SPELL_TARGETS_AOE_DAMAGE:
 684                     {
 685                         if(itr->getSource()->GetTypeId()==TYPEID_UNIT && ((Creature*)itr->getSource())->isTotem())
 686                             continue;
 687                         if(!itr->getSource()->isTargetableForAttack())
 688                             continue;
 689
 690                         Unit* check = i_originalCaster->GetCharmerOrOwnerOrSelf();
 691
 692                         if( check->GetTypeId()==TYPEID_PLAYER )
 693                         {
 694                             if (check->IsFriendlyTo( itr->getSource() ))
 695                                 continue;
 696                         }
 697                         else
 698                         {
 699                             if (!check->IsHostileTo( itr->getSource() ))
 700                                 continue;
 701                         }
 702                     }
 703                     break;
 704                     default: continue;
 705                 }
 706
 707                 switch(i_push_type)
 708                 {
 709                     case PUSH_IN_FRONT:
 710                         if(i_spell.GetCaster()->isInFrontInMap((Unit*)(itr->getSource()), i_radius, 2*M_PI/3 ))
 711                             i_data->push_back(itr->getSource());
 712                         break;
 713                     case PUSH_IN_FRONT_30:
 714                         if(i_spell.GetCaster()->isInFrontInMap((Unit*)(itr->getSource()), i_radius, M_PI/6 ))
 715                             i_data->push_back(itr->getSource());
 716                         break;
 717                     case PUSH_IN_BACK:
 718                         if(i_spell.GetCaster()->isInBackInMap((Unit*)(itr->getSource()), i_radius, 2*M_PI/3 ))
 719                             i_data->push_back(itr->getSource());
 720                         break;
 721                     case PUSH_SELF_CENTER:
 722                         if(i_spell.GetCaster()->IsWithinDist((Unit*)(itr->getSource()), i_radius))
 723                             i_data->push_back(itr->getSource());
 724                         break;
 725                     case PUSH_DEST_CENTER:
 726                         if(itr->getSource()->IsWithinDist3d(i_spell.m_targets.m_destX, i_spell.m_targets.m_destY, i_spell.m_targets.m_destZ,i_radius))
 727                             i_data->push_back(itr->getSource());
 728                         break;
 729                     case PUSH_TARGET_CENTER:
 730                         if(i_spell.m_targets.getUnitTarget()->IsWithinDist((Unit*)(itr->getSource()), i_radius))
 731                             i_data->push_back(itr->getSource());
 732                         break;
 733                 }
 734             }
 735         }
 736
 737         #ifdef WIN32
 738         template<> inline void Visit(CorpseMapType & ) {}
 739         template<> inline void Visit(GameObjectMapType & ) {}
 740         template<> inline void Visit(DynamicObjectMapType & ) {}
 741         #endif
 742     };
 743
 744     #ifndef WIN32
 745     template<> inline void SpellNotifierCreatureAndPlayer::Visit(CorpseMapType& ) {}
 746     template<> inline void SpellNotifierCreatureAndPlayer::Visit(GameObjectMapType& ) {}
 747     template<> inline void SpellNotifierCreatureAndPlayer::Visit(DynamicObjectMapType& ) {}
 748     #endif
 749 }
 750
 751 typedef void(Spell::*pEffect)(uint32 i);
 752
 753 class SpellEvent : public BasicEvent
 754 {
 755     public:
 756         SpellEvent(Spell* spell);
 757         virtual ~SpellEvent();
 758
 759         virtual bool Execute(uint64 e_time, uint32 p_time);
 760         virtual void Abort(uint64 e_time);
 761         virtual bool IsDeletable() const;
 762     protected:
 763         Spell* m_Spell;
 764 };
 765 #endif