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Spell.cpp @ 4

Revision 2, 198.4 kB (checked in by yumileroy, 17 years ago)

[svn] * Proper SVN structure

Original author: Neo2003
Date: 2008-10-02 16:23:55-05:00

Line
1	/*
2	* Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/>
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	#include "Common.h"
20	#include "Database/DatabaseEnv.h"
21	#include "WorldPacket.h"
22	#include "WorldSession.h"
23	#include "GridNotifiers.h"
24	#include "GridNotifiersImpl.h"
25	#include "Opcodes.h"
26	#include "Log.h"
27	#include "UpdateMask.h"
28	#include "World.h"
29	#include "ObjectMgr.h"
30	#include "SpellMgr.h"
31	#include "Player.h"
32	#include "Pet.h"
33	#include "Unit.h"
34	#include "Spell.h"
35	#include "DynamicObject.h"
36	#include "SpellAuras.h"
37	#include "Group.h"
38	#include "UpdateData.h"
39	#include "MapManager.h"
40	#include "ObjectAccessor.h"
41	#include "CellImpl.h"
42	#include "Policies/SingletonImp.h"
43	#include "SharedDefines.h"
44	#include "Tools.h"
45	#include "LootMgr.h"
46	#include "VMapFactory.h"
47	#include "BattleGround.h"
48	#include "Util.h"
49
50	#define SPELL_CHANNEL_UPDATE_INTERVAL 1000
51
52	extern pEffect SpellEffects[TOTAL_SPELL_EFFECTS];
53
54	bool IsQuestTameSpell(uint32 spellId)
55	{
56	SpellEntry const *spellproto = sSpellStore.LookupEntry(spellId);
57	if (!spellproto) return false;
58
59	return spellproto->Effect[0] == SPELL_EFFECT_THREAT
60	&& spellproto->Effect[1] == SPELL_EFFECT_APPLY_AURA && spellproto->EffectApplyAuraName[1] == SPELL_AURA_DUMMY;
61	}
62
63	SpellCastTargets::SpellCastTargets()
64	{
65	m_unitTarget = NULL;
66	m_itemTarget = NULL;
67	m_GOTarget = NULL;
68
69	m_unitTargetGUID = 0;
70	m_GOTargetGUID = 0;
71	m_CorpseTargetGUID = 0;
72	m_itemTargetGUID = 0;
73	m_itemTargetEntry = 0;
74
75	m_srcX = m_srcY = m_srcZ = m_destX = m_destY = m_destZ = 0;
76	m_strTarget = "";
77	m_targetMask = 0;
78	}
79
80	SpellCastTargets::~SpellCastTargets()
81	{
82	}
83
84	void SpellCastTargets::setUnitTarget(Unit *target)
85	{
86	if (!target)
87	return;
88
89	m_destX = target->GetPositionX();
90	m_destY = target->GetPositionY();
91	m_destZ = target->GetPositionZ();
92	m_unitTarget = target;
93	m_unitTargetGUID = target->GetGUID();
94	m_targetMask \|= TARGET_FLAG_UNIT;
95	}
96
97	void SpellCastTargets::setDestination(float x, float y, float z)
98	{
99	m_destX = x;
100	m_destY = y;
101	m_destZ = z;
102	m_targetMask \|= TARGET_FLAG_DEST_LOCATION;
103	}
104
105	void SpellCastTargets::setGOTarget(GameObject *target)
106	{
107	m_GOTarget = target;
108	m_GOTargetGUID = target->GetGUID();
109	// m_targetMask \|= TARGET_FLAG_OBJECT;
110	}
111
112	void SpellCastTargets::setItemTarget(Item* item)
113	{
114	if(!item)
115	return;
116
117	m_itemTarget = item;
118	m_itemTargetGUID = item->GetGUID();
119	m_itemTargetEntry = item->GetEntry();
120	m_targetMask \|= TARGET_FLAG_ITEM;
121	}
122
123	void SpellCastTargets::setCorpseTarget(Corpse* corpse)
124	{
125	m_CorpseTargetGUID = corpse->GetGUID();
126	}
127
128	void SpellCastTargets::Update(Unit* caster)
129	{
130	m_GOTarget = m_GOTargetGUID ? ObjectAccessor::GetGameObject(*caster,m_GOTargetGUID) : NULL;
131	m_unitTarget = m_unitTargetGUID ?
132	( m_unitTargetGUID==caster->GetGUID() ? caster : ObjectAccessor::GetUnit(*caster, m_unitTargetGUID) ) :
133	NULL;
134
135	m_itemTarget = NULL;
136	if(caster->GetTypeId()==TYPEID_PLAYER)
137	{
138	if(m_targetMask & TARGET_FLAG_ITEM)
139	m_itemTarget = ((Player*)caster)->GetItemByGuid(m_itemTargetGUID);
140	else
141	{
142	Player* pTrader = ((Player*)caster)->GetTrader();
143	if(pTrader && m_itemTargetGUID < TRADE_SLOT_COUNT)
144	m_itemTarget = pTrader->GetItemByPos(pTrader->GetItemPosByTradeSlot(m_itemTargetGUID));
145	}
146	if(m_itemTarget)
147	m_itemTargetEntry = m_itemTarget->GetEntry();
148	}
149	}
150
151	bool SpellCastTargets::read ( WorldPacket * data, Unit *caster )
152	{
153	if(data->rpos()+4 > data->size())
154	return false;
155
156	*data >> m_targetMask;
157
158	if(m_targetMask == TARGET_FLAG_SELF)
159	{
160	m_destX = caster->GetPositionX();
161	m_destY = caster->GetPositionY();
162	m_destZ = caster->GetPositionZ();
163	m_unitTarget = caster;
164	m_unitTargetGUID = caster->GetGUID();
165	return true;
166	}
167	// TARGET_FLAG_UNK2 is used for non-combat pets, maybe other?
168	if( m_targetMask & (TARGET_FLAG_UNIT\|TARGET_FLAG_UNK2) )
169	if(!readGUID(*data, m_unitTargetGUID))
170	return false;
171
172	if( m_targetMask & ( TARGET_FLAG_OBJECT \| TARGET_FLAG_OBJECT_UNK ))
173	if(!readGUID(*data, m_GOTargetGUID))
174	return false;
175
176	if(( m_targetMask & ( TARGET_FLAG_ITEM \| TARGET_FLAG_TRADE_ITEM )) && caster->GetTypeId() == TYPEID_PLAYER)
177	if(!readGUID(*data, m_itemTargetGUID))
178	return false;
179
180	if( m_targetMask & TARGET_FLAG_SOURCE_LOCATION )
181	{
182	if(data->rpos()+4+4+4 > data->size())
183	return false;
184
185	*data >> m_srcX >> m_srcY >> m_srcZ;
186	if(!MaNGOS::IsValidMapCoord(m_srcX, m_srcY, m_srcZ))
187	return false;
188	}
189
190	if( m_targetMask & TARGET_FLAG_DEST_LOCATION )
191	{
192	if(data->rpos()+4+4+4 > data->size())
193	return false;
194
195	*data >> m_destX >> m_destY >> m_destZ;
196	if(!MaNGOS::IsValidMapCoord(m_destX, m_destY, m_destZ))
197	return false;
198	}
199
200	if( m_targetMask & TARGET_FLAG_STRING )
201	{
202	if(data->rpos()+1 > data->size())
203	return false;
204
205	*data >> m_strTarget;
206	}
207
208	if( m_targetMask & (TARGET_FLAG_CORPSE \| TARGET_FLAG_PVP_CORPSE ) )
209	if(!readGUID(*data, m_CorpseTargetGUID))
210	return false;
211
212	// find real units/GOs
213	Update(caster);
214	return true;
215	}
216
217	void SpellCastTargets::write ( WorldPacket * data )
218	{
219	*data << uint32(m_targetMask);
220
221	if( m_targetMask & ( TARGET_FLAG_UNIT \| TARGET_FLAG_PVP_CORPSE \| TARGET_FLAG_OBJECT \| TARGET_FLAG_CORPSE \| TARGET_FLAG_UNK2 ) )
222	{
223	if(m_targetMask & TARGET_FLAG_UNIT)
224	{
225	if(m_unitTarget)
226	data->append(m_unitTarget->GetPackGUID());
227	else
228	*data << uint8(0);
229	}
230	else if( m_targetMask & ( TARGET_FLAG_OBJECT \| TARGET_FLAG_OBJECT_UNK ) )
231	{
232	if(m_GOTarget)
233	data->append(m_GOTarget->GetPackGUID());
234	else
235	*data << uint8(0);
236	}
237	else if( m_targetMask & ( TARGET_FLAG_CORPSE \| TARGET_FLAG_PVP_CORPSE ) )
238	data->appendPackGUID(m_CorpseTargetGUID);
239	else
240	*data << uint8(0);
241	}
242
243	if( m_targetMask & ( TARGET_FLAG_ITEM \| TARGET_FLAG_TRADE_ITEM ) )
244	{
245	if(m_itemTarget)
246	data->append(m_itemTarget->GetPackGUID());
247	else
248	*data << uint8(0);
249	}
250
251	if( m_targetMask & TARGET_FLAG_SOURCE_LOCATION )
252	*data << m_srcX << m_srcY << m_srcZ;
253
254	if( m_targetMask & TARGET_FLAG_DEST_LOCATION )
255	*data << m_destX << m_destY << m_destZ;
256
257	if( m_targetMask & TARGET_FLAG_STRING )
258	*data << m_strTarget;
259	}
260
261	Spell::Spell( Unit* Caster, SpellEntry const info, bool triggered, uint64 originalCasterGUID, Spell* triggeringContainer )
262	{
263	ASSERT( Caster != NULL && info != NULL );
264	ASSERT( info == sSpellStore.LookupEntry( info->Id ) && "`info` must be pointer to sSpellStore element");
265
266	m_spellInfo = info;
267	m_caster = Caster;
268	m_selfContainer = NULL;
269	m_triggeringContainer = triggeringContainer;
270	m_deletable = true;
271	m_delayAtDamageCount = 0;
272
273	m_applyMultiplierMask = 0;
274
275	// Get data for type of attack
276	switch (m_spellInfo->DmgClass)
277	{
278	case SPELL_DAMAGE_CLASS_MELEE:
279	if (m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_REQ_OFFHAND)
280	m_attackType = OFF_ATTACK;
281	else
282	m_attackType = BASE_ATTACK;
283	break;
284	case SPELL_DAMAGE_CLASS_RANGED:
285	m_attackType = RANGED_ATTACK;
286	break;
287	default:
288	// Wands
289	if (m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_REQ_WAND)
290	m_attackType = RANGED_ATTACK;
291	else
292	m_attackType = BASE_ATTACK;
293	break;
294	}
295
296	m_spellSchoolMask = GetSpellSchoolMask(info); // Can be override for some spell (wand shoot for example)
297
298	if(m_attackType == RANGED_ATTACK)
299	{
300	// wand case
301	if((m_caster->getClassMask() & CLASSMASK_WAND_USERS) != 0 && m_caster->GetTypeId()==TYPEID_PLAYER)
302	{
303	if(Item* pItem = ((Player*)m_caster)->GetWeaponForAttack(RANGED_ATTACK))
304	m_spellSchoolMask = SpellSchoolMask(1 << pItem->GetProto()->Damage->DamageType);
305	}
306	}
307
308	if(originalCasterGUID)
309	m_originalCasterGUID = originalCasterGUID;
310	else
311	m_originalCasterGUID = m_caster->GetGUID();
312
313	if(m_originalCasterGUID==m_caster->GetGUID())
314	m_originalCaster = m_caster;
315	else
316	{
317	m_originalCaster = ObjectAccessor::GetUnit(*m_caster,m_originalCasterGUID);
318	if(m_originalCaster && !m_originalCaster->IsInWorld()) m_originalCaster = NULL;
319	}
320
321	for(int i=0; i <3; ++i)
322	m_currentBasePoints[i] = m_spellInfo->EffectBasePoints[i];
323
324	m_spellState = SPELL_STATE_NULL;
325
326	m_castPositionX = m_castPositionY = m_castPositionZ = 0;
327	m_TriggerSpells.clear();
328	m_IsTriggeredSpell = triggered;
329	//m_AreaAura = false;
330	m_CastItem = NULL;
331
332	unitTarget = NULL;
333	itemTarget = NULL;
334	gameObjTarget = NULL;
335	focusObject = NULL;
336	m_cast_count = 0;
337	m_triggeredByAuraSpell = NULL;
338
339	//Auto Shot & Shoot
340	if( m_spellInfo->AttributesEx2 == 0x000020 && !triggered )
341	m_autoRepeat = true;
342	else
343	m_autoRepeat = false;
344
345	m_powerCost = 0; // setup to correct value in Spell::prepare, don't must be used before.
346	m_casttime = 0; // setup to correct value in Spell::prepare, don't must be used before.
347	m_timer = 0; // will set to castime in preper
348
349	m_needAliveTargetMask = 0;
350
351	// determine reflection
352	m_canReflect = false;
353
354	if(m_spellInfo->DmgClass == SPELL_DAMAGE_CLASS_MAGIC && (m_spellInfo->AttributesEx2 & 0x4)==0)
355	{
356	for(int j=0;j<3;j++)
357	{
358	if (m_spellInfo->Effect[j]==0)
359	continue;
360
361	if(!IsPositiveTarget(m_spellInfo->EffectImplicitTargetA[j],m_spellInfo->EffectImplicitTargetB[j]))
362	m_canReflect = true;
363	else
364	m_canReflect = (m_spellInfo->AttributesEx & (1<<7)) ? true : false;
365
366	if(m_canReflect)
367	continue;
368	else
369	break;
370	}
371	}
372
373	CleanupTargetList();
374	}
375
376	Spell::~Spell()
377	{
378	}
379
380	void Spell::FillTargetMap()
381	{
382	// TODO: ADD the correct target FILLS!!!!!!
383
384	for(uint32 i=0;i<3;i++)
385	{
386	// not call for empty effect.
387	// Also some spells use not used effect targets for store targets for dummy effect in triggered spells
388	if(m_spellInfo->Effect[i]==0)
389	continue;
390
391	// targets for TARGET_SCRIPT_COORDINATES (A) and TARGET_SCRIPT filled in Spell::canCast call
392	if( m_spellInfo->EffectImplicitTargetA[i] == TARGET_SCRIPT_COORDINATES \|\|
393	m_spellInfo->EffectImplicitTargetA[i] == TARGET_SCRIPT \|\|
394	m_spellInfo->EffectImplicitTargetB[i] == TARGET_SCRIPT && m_spellInfo->EffectImplicitTargetA[i] != TARGET_SELF )
395	continue;
396
397	// TODO: find a way so this is not needed?
398	// for area auras always add caster as target (needed for totems for example)
399	if(IsAreaAuraEffect(m_spellInfo->Effect[i]))
400	AddUnitTarget(m_caster, i);
401
402	std::list<Unit*> tmpUnitMap;
403
404	// TargetA/TargetB dependent from each other, we not switch to full support this dependences
405	// but need it support in some know cases
406	switch(m_spellInfo->EffectImplicitTargetA[i])
407	{
408	case TARGET_ALL_AROUND_CASTER:
409	if( m_spellInfo->EffectImplicitTargetB[i]==TARGET_ALL_PARTY \|\|
410	m_spellInfo->EffectImplicitTargetB[i]==TARGET_ALL_FRIENDLY_UNITS_AROUND_CASTER \|\|
411	m_spellInfo->EffectImplicitTargetB[i]==TARGET_RANDOM_RAID_MEMBER )
412	{
413	SetTargetMap(i,m_spellInfo->EffectImplicitTargetB[i],tmpUnitMap);
414	}
415	// Note: this hack with search required until GO casting not implemented
416	// environment damage spells already have around enemies targeting but this not help in case not existed GO casting support
417	// currently each enemy selected explicitly and self cast damage
418	else if(m_spellInfo->EffectImplicitTargetB[i]==TARGET_ALL_ENEMY_IN_AREA && m_spellInfo->Effect[i]==SPELL_EFFECT_ENVIRONMENTAL_DAMAGE)
419	{
420	if(m_targets.getUnitTarget())
421	tmpUnitMap.push_back(m_targets.getUnitTarget());
422	}
423	else
424	{
425	SetTargetMap(i,m_spellInfo->EffectImplicitTargetA[i],tmpUnitMap);
426	SetTargetMap(i,m_spellInfo->EffectImplicitTargetB[i],tmpUnitMap);
427	}
428	break;
429	case TARGET_TABLE_X_Y_Z_COORDINATES:
430	// Only if target A, for target B (used in teleports) dest select in effect
431	SetTargetMap(i,m_spellInfo->EffectImplicitTargetA[i],tmpUnitMap);
432	break;
433	default:
434	switch(m_spellInfo->EffectImplicitTargetB[i])
435	{
436	case TARGET_SCRIPT_COORDINATES: // B case filled in canCast but we need fill unit list base at A case
437	SetTargetMap(i,m_spellInfo->EffectImplicitTargetA[i],tmpUnitMap);
438	break;
439	default:
440	SetTargetMap(i,m_spellInfo->EffectImplicitTargetA[i],tmpUnitMap);
441	SetTargetMap(i,m_spellInfo->EffectImplicitTargetB[i],tmpUnitMap);
442	break;
443	}
444	break;
445	}
446
447	if( (m_spellInfo->EffectImplicitTargetA[i]==0 \|\| m_spellInfo->EffectImplicitTargetA[i]==TARGET_EFFECT_SELECT) &&
448	(m_spellInfo->EffectImplicitTargetB[i]==0 \|\| m_spellInfo->EffectImplicitTargetB[i]==TARGET_EFFECT_SELECT) )
449	{
450	// add here custom effects that need default target.
451	// FOR EVERY TARGET TYPE THERE IS A DIFFERENT FILL!!
452	switch(m_spellInfo->Effect[i])
453	{
454	case SPELL_EFFECT_DUMMY:
455	{
456	switch(m_spellInfo->Id)
457	{
458	case 20577: // Cannibalize
459	{
460	// non-standard target selection
461	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
462	float max_range = GetSpellMaxRange(srange);
463
464	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
465	Cell cell(p);
466	cell.data.Part.reserved = ALL_DISTRICT;
467	cell.SetNoCreate();
468
469	WorldObject* result = NULL;
470
471	MaNGOS::CannibalizeObjectCheck u_check(m_caster, max_range);
472	MaNGOS::WorldObjectSearcher<MaNGOS::CannibalizeObjectCheck > searcher(result, u_check);
473
474	TypeContainerVisitor<MaNGOS::WorldObjectSearcher<MaNGOS::CannibalizeObjectCheck >, GridTypeMapContainer > grid_searcher(searcher);
475	CellLock<GridReadGuard> cell_lock(cell, p);
476	cell_lock->Visit(cell_lock, grid_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
477
478	if(!result)
479	{
480	TypeContainerVisitor<MaNGOS::WorldObjectSearcher<MaNGOS::CannibalizeObjectCheck >, WorldTypeMapContainer > world_searcher(searcher);
481	cell_lock->Visit(cell_lock, world_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
482	}
483
484	if(result)
485	{
486	switch(result->GetTypeId())
487	{
488	case TYPEID_UNIT:
489	case TYPEID_PLAYER:
490	tmpUnitMap.push_back((Unit*)result);
491	break;
492	case TYPEID_CORPSE:
493	m_targets.setCorpseTarget((Corpse*)result);
494	if(Player* owner = ObjectAccessor::FindPlayer(((Corpse*)result)->GetOwnerGUID()))
495	tmpUnitMap.push_back(owner);
496	break;
497	}
498	}
499	else
500	{
501	// clear cooldown at fail
502	if(m_caster->GetTypeId()==TYPEID_PLAYER)
503	{
504	((Player*)m_caster)->RemoveSpellCooldown(m_spellInfo->Id);
505
506	WorldPacket data(SMSG_CLEAR_COOLDOWN, (4+8));
507	data << uint32(m_spellInfo->Id);
508	data << uint64(m_caster->GetGUID());
509	((Player*)m_caster)->GetSession()->SendPacket(&data);
510	}
511
512	SendCastResult(SPELL_FAILED_NO_EDIBLE_CORPSES);
513	finish(false);
514	}
515	break;
516	}
517	default:
518	if(m_targets.getUnitTarget())
519	tmpUnitMap.push_back(m_targets.getUnitTarget());
520	break;
521	}
522	break;
523	}
524	case SPELL_EFFECT_RESURRECT:
525	case SPELL_EFFECT_PARRY:
526	case SPELL_EFFECT_CREATE_ITEM:
527	case SPELL_EFFECT_TRIGGER_SPELL:
528	case SPELL_EFFECT_TRIGGER_MISSILE:
529	case SPELL_EFFECT_LEARN_SPELL:
530	case SPELL_EFFECT_SKILL_STEP:
531	case SPELL_EFFECT_PROFICIENCY:
532	case SPELL_EFFECT_SUMMON_POSSESSED:
533	case SPELL_EFFECT_SUMMON_OBJECT_WILD:
534	case SPELL_EFFECT_SELF_RESURRECT:
535	case SPELL_EFFECT_REPUTATION:
536	if(m_targets.getUnitTarget())
537	tmpUnitMap.push_back(m_targets.getUnitTarget());
538	break;
539	case SPELL_EFFECT_SUMMON_PLAYER:
540	if(m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->GetSelection())
541	{
542	Player* target = objmgr.GetPlayer(((Player*)m_caster)->GetSelection());
543	if(target)
544	tmpUnitMap.push_back(target);
545	}
546	break;
547	case SPELL_EFFECT_RESURRECT_NEW:
548	if(m_targets.getUnitTarget())
549	tmpUnitMap.push_back(m_targets.getUnitTarget());
550	if(m_targets.getCorpseTargetGUID())
551	{
552	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
553	if(corpse)
554	{
555	Player* owner = ObjectAccessor::FindPlayer(corpse->GetOwnerGUID());
556	if(owner)
557	tmpUnitMap.push_back(owner);
558	}
559	}
560	break;
561	case SPELL_EFFECT_SUMMON:
562	if(m_spellInfo->EffectMiscValueB[i] == SUMMON_TYPE_POSESSED \|\| m_spellInfo->EffectMiscValueB[i] == SUMMON_TYPE_POSESSED2)
563	{
564	if(m_targets.getUnitTarget())
565	tmpUnitMap.push_back(m_targets.getUnitTarget());
566	}
567	else
568	tmpUnitMap.push_back(m_caster);
569	break;
570	case SPELL_EFFECT_SUMMON_CHANGE_ITEM:
571	case SPELL_EFFECT_SUMMON_WILD:
572	case SPELL_EFFECT_SUMMON_GUARDIAN:
573	case SPELL_EFFECT_TRANS_DOOR:
574	case SPELL_EFFECT_ADD_FARSIGHT:
575	case SPELL_EFFECT_STUCK:
576	case SPELL_EFFECT_DESTROY_ALL_TOTEMS:
577	case SPELL_EFFECT_SUMMON_DEMON:
578	case SPELL_EFFECT_SKILL:
579	tmpUnitMap.push_back(m_caster);
580	break;
581	case SPELL_EFFECT_LEARN_PET_SPELL:
582	if(Pet* pet = m_caster->GetPet())
583	tmpUnitMap.push_back(pet);
584	break;
585	case SPELL_EFFECT_ENCHANT_ITEM:
586	case SPELL_EFFECT_ENCHANT_ITEM_TEMPORARY:
587	case SPELL_EFFECT_DISENCHANT:
588	case SPELL_EFFECT_FEED_PET:
589	case SPELL_EFFECT_PROSPECTING:
590	if(m_targets.getItemTarget())
591	AddItemTarget(m_targets.getItemTarget(), i);
592	break;
593	case SPELL_EFFECT_APPLY_AURA:
594	switch(m_spellInfo->EffectApplyAuraName[i])
595	{
596	case SPELL_AURA_ADD_FLAT_MODIFIER: // some spell mods auras have 0 target modes instead expected TARGET_SELF(1) (and present for other ranks for same spell for example)
597	case SPELL_AURA_ADD_PCT_MODIFIER:
598	tmpUnitMap.push_back(m_caster);
599	break;
600	default: // apply to target in other case
601	if(m_targets.getUnitTarget())
602	tmpUnitMap.push_back(m_targets.getUnitTarget());
603	break;
604	}
605	break;
606	case SPELL_EFFECT_APPLY_AREA_AURA_PARTY:
607	// AreaAura
608	if(m_spellInfo->Attributes == 0x9050000 \|\| m_spellInfo->Attributes == 0x10000)
609	SetTargetMap(i,TARGET_AREAEFFECT_PARTY,tmpUnitMap);
610	break;
611	case SPELL_EFFECT_SKIN_PLAYER_CORPSE:
612	if(m_targets.getUnitTarget())
613	{
614	tmpUnitMap.push_back(m_targets.getUnitTarget());
615	}
616	else if (m_targets.getCorpseTargetGUID())
617	{
618	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
619	if(corpse)
620	{
621	Player* owner = ObjectAccessor::FindPlayer(corpse->GetOwnerGUID());
622	if(owner)
623	tmpUnitMap.push_back(owner);
624	}
625	}
626	break;
627	default:
628	break;
629	}
630	}
631	if(IsChanneledSpell(m_spellInfo) && !tmpUnitMap.empty())
632	m_needAliveTargetMask \|= (1<<i);
633
634	if(m_caster->GetTypeId() == TYPEID_PLAYER)
635	{
636	Player me = (Player)m_caster;
637	for (std::list<Unit*>::const_iterator itr = tmpUnitMap.begin(); itr != tmpUnitMap.end(); itr++)
638	{
639	Unit owner = (itr)->GetOwner();
640	Unit u = owner ? owner : (itr);
641	if(u!=m_caster && u->IsPvP() && (!me->duel \|\| me->duel->opponent != u))
642	{
643	me->UpdatePvP(true);
644	me->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_ENTER_PVP_COMBAT);
645	break;
646	}
647	}
648	}
649
650	for (std::list<Unit*>::iterator itr = tmpUnitMap.begin() ; itr != tmpUnitMap.end();)
651	{
652	if(!CheckTarget(*itr, i, false ))
653	{
654	itr = tmpUnitMap.erase(itr);
655	continue;
656	}
657	else
658	++itr;
659	}
660
661	for(std::list<Unit*>::iterator iunit= tmpUnitMap.begin();iunit != tmpUnitMap.end();++iunit)
662	AddUnitTarget((*iunit), i);
663	}
664	}
665
666	void Spell::CleanupTargetList()
667	{
668	m_UniqueTargetInfo.clear();
669	m_UniqueGOTargetInfo.clear();
670	m_UniqueItemInfo.clear();
671	m_countOfHit = 0;
672	m_countOfMiss = 0;
673	m_delayMoment = 0;
674	}
675
676	void Spell::AddUnitTarget(Unit* pVictim, uint32 effIndex)
677	{
678	if( m_spellInfo->Effect[effIndex]==0 )
679	return;
680
681	uint64 targetGUID = pVictim->GetGUID();
682
683	// Lookup target in already in list
684	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
685	{
686	if (targetGUID == ihit->targetGUID) // Found in list
687	{
688	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
689	return;
690	}
691	}
692
693	// This is new target calculate data for him
694
695	// Get spell hit result on target
696	TargetInfo target;
697	target.targetGUID = targetGUID; // Store target GUID
698	target.effectMask = 1<<effIndex; // Store index of effect
699	target.processed = false; // Effects not apply on target
700
701	// Calculate hit result
702	target.missCondition = m_caster->SpellHitResult(pVictim, m_spellInfo, m_canReflect);
703	if (target.missCondition == SPELL_MISS_NONE)
704	++m_countOfHit;
705	else
706	++m_countOfMiss;
707
708	// Spell have speed - need calculate incoming time
709	if (m_spellInfo->speed > 0.0f)
710	{
711	// calculate spell incoming interval
712	float dist = m_caster->GetDistance(pVictim->GetPositionX(), pVictim->GetPositionY(), pVictim->GetPositionZ());
713	if (dist < 5.0f) dist = 5.0f;
714	target.timeDelay = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
715
716	// Calculate minimum incoming time
717	if (m_delayMoment==0 \|\| m_delayMoment>target.timeDelay)
718	m_delayMoment = target.timeDelay;
719	}
720	else
721	target.timeDelay = 0LL;
722
723	// If target reflect spell back to caster
724	if (target.missCondition==SPELL_MISS_REFLECT)
725	{
726	// Calculate reflected spell result on caster
727	target.reflectResult = m_caster->SpellHitResult(m_caster, m_spellInfo, m_canReflect);
728
729	if (target.reflectResult == SPELL_MISS_REFLECT) // Impossible reflect again, so simply deflect spell
730	target.reflectResult = SPELL_MISS_PARRY;
731
732	// Increase time interval for reflected spells by 1.5
733	target.timeDelay+=target.timeDelay>>1;
734	}
735	else
736	target.reflectResult = SPELL_MISS_NONE;
737
738	// Add target to list
739	m_UniqueTargetInfo.push_back(target);
740	}
741
742	void Spell::AddUnitTarget(uint64 unitGUID, uint32 effIndex)
743	{
744	Unit* unit = m_caster->GetGUID()==unitGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, unitGUID);
745	if (unit)
746	AddUnitTarget(unit, effIndex);
747	}
748
749	void Spell::AddGOTarget(GameObject* pVictim, uint32 effIndex)
750	{
751	if( m_spellInfo->Effect[effIndex]==0 )
752	return;
753
754	uint64 targetGUID = pVictim->GetGUID();
755
756	// Lookup target in already in list
757	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
758	{
759	if (targetGUID == ihit->targetGUID) // Found in list
760	{
761	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
762	return;
763	}
764	}
765
766	// This is new target calculate data for him
767
768	GOTargetInfo target;
769	target.targetGUID = targetGUID;
770	target.effectMask = 1<<effIndex;
771	target.processed = false; // Effects not apply on target
772
773	// Spell have speed - need calculate incoming time
774	if (m_spellInfo->speed > 0.0f)
775	{
776	// calculate spell incoming interval
777	float dist = m_caster->GetDistance(pVictim->GetPositionX(), pVictim->GetPositionY(), pVictim->GetPositionZ());
778	if (dist < 5.0f) dist = 5.0f;
779	target.timeDelay = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
780	if (m_delayMoment==0 \|\| m_delayMoment>target.timeDelay)
781	m_delayMoment = target.timeDelay;
782	}
783	else
784	target.timeDelay = 0LL;
785
786	++m_countOfHit;
787
788	// Add target to list
789	m_UniqueGOTargetInfo.push_back(target);
790	}
791
792	void Spell::AddGOTarget(uint64 goGUID, uint32 effIndex)
793	{
794	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, goGUID);
795	if (go)
796	AddGOTarget(go, effIndex);
797	}
798
799	void Spell::AddItemTarget(Item* pitem, uint32 effIndex)
800	{
801	if( m_spellInfo->Effect[effIndex]==0 )
802	return;
803
804	// Lookup target in already in list
805	for(std::list<ItemTargetInfo>::iterator ihit= m_UniqueItemInfo.begin();ihit != m_UniqueItemInfo.end();++ihit)
806	{
807	if (pitem == ihit->item) // Found in list
808	{
809	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
810	return;
811	}
812	}
813
814	// This is new target add data
815
816	ItemTargetInfo target;
817	target.item = pitem;
818	target.effectMask = 1<<effIndex;
819	m_UniqueItemInfo.push_back(target);
820	}
821
822	void Spell::doTriggers(SpellMissInfo missInfo, uint32 damage, SpellSchoolMask damageSchoolMask, uint32 block, uint32 absorb, bool crit)
823	{
824	// Do triggers depends from hit result (triggers on hit do in effects)
825	// Set aura states depends from hit result
826	if (missInfo!=SPELL_MISS_NONE)
827	{
828	// Miss/dodge/parry/block only for melee based spells
829	// Resist only for magic based spells
830	switch (missInfo)
831	{
832	case SPELL_MISS_MISS:
833	if(m_caster->GetTypeId()== TYPEID_PLAYER)
834	((Player*)m_caster)->UpdateWeaponSkill(BASE_ATTACK);
835
836	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_MISS, m_spellInfo, m_IsTriggeredSpell);
837	break;
838	case SPELL_MISS_RESIST:
839	m_caster->ProcDamageAndSpell(unitTarget, PROC_FLAG_TARGET_RESISTS, PROC_FLAG_RESIST_SPELL, 0, damageSchoolMask, m_spellInfo, m_IsTriggeredSpell);
840	break;
841	case SPELL_MISS_DODGE:
842	if(unitTarget->GetTypeId() == TYPEID_PLAYER)
843	((Player*)unitTarget)->UpdateDefense();
844
845	// Overpower
846	if (m_caster->GetTypeId() == TYPEID_PLAYER && m_caster->getClass() == CLASS_WARRIOR)
847	{
848	((Player*) m_caster)->AddComboPoints(unitTarget, 1);
849	m_caster->StartReactiveTimer( REACTIVE_OVERPOWER );
850	}
851
852	// Riposte
853	if (unitTarget->getClass() != CLASS_ROGUE)
854	{
855	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
856	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
857	}
858
859	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_DODGE, m_spellInfo, m_IsTriggeredSpell);
860	break;
861	case SPELL_MISS_PARRY:
862	// Update victim defense ?
863	if(unitTarget->GetTypeId() == TYPEID_PLAYER)
864	((Player*)unitTarget)->UpdateDefense();
865	// Mongoose bite - set only Counterattack here
866	if (unitTarget->getClass() == CLASS_HUNTER)
867	{
868	unitTarget->ModifyAuraState(AURA_STATE_HUNTER_PARRY,true);
869	unitTarget->StartReactiveTimer( REACTIVE_HUNTER_PARRY );
870	}
871	else
872	{
873	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
874	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
875	}
876	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_PARRY, m_spellInfo, m_IsTriggeredSpell);
877	break;
878	case SPELL_MISS_BLOCK:
879	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
880	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
881
882	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_BLOCK, m_spellInfo, m_IsTriggeredSpell);
883	break;
884	// Trigger from this events not supported
885	case SPELL_MISS_EVADE:
886	case SPELL_MISS_IMMUNE:
887	case SPELL_MISS_IMMUNE2:
888	case SPELL_MISS_DEFLECT:
889	case SPELL_MISS_ABSORB:
890	// Trigger from reflects need do after get reflect result
891	case SPELL_MISS_REFLECT:
892	break;
893	default:
894	break;
895	}
896	}
897	}
898
899	void Spell::DoAllEffectOnTarget(TargetInfo *target)
900	{
901	if (target->processed) // Check target
902	return;
903	target->processed = true; // Target checked in apply effects procedure
904
905	// Get mask of effects for target
906	uint32 mask = target->effectMask;
907	if (mask == 0) // No effects
908	return;
909
910	Unit* unit = m_caster->GetGUID()==target->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster,target->targetGUID);
911	if (!unit)
912	return;
913
914	SpellMissInfo missInfo = target->missCondition;
915	// Need init unitTarget by default unit (can changed in code on reflect)
916	// Or on missInfo!=SPELL_MISS_NONE unitTarget undefined (but need in trigger subsystem)
917	unitTarget = unit;
918
919	if (missInfo==SPELL_MISS_NONE) // In case spell hit target, do all effect on that target
920	DoSpellHitOnUnit(unit, mask);
921	else if (missInfo == SPELL_MISS_REFLECT) // In case spell reflect from target, do all effect on caster (if hit)
922	{
923	if (target->reflectResult == SPELL_MISS_NONE) // If reflected spell hit caster -> do all effect on him
924	DoSpellHitOnUnit(m_caster, mask);
925	}
926
927	// Do triggers only on miss/resist/parry/dodge
928	if (missInfo!=SPELL_MISS_NONE)
929	doTriggers(missInfo);
930
931	// Call scripted function for AI if this spell is casted upon a creature (except pets)
932	if(IS_CREATURE_GUID(target->targetGUID))
933	{
934	// cast at creature (or GO) quest objectives update at successful cast finished (+channel finished)
935	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
936	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() && !IsChannelActive() )
937	((Player*)m_caster)->CastedCreatureOrGO(unit->GetEntry(),unit->GetGUID(),m_spellInfo->Id);
938
939	if(((Creature*)unit)->AI())
940	((Creature*)unit)->AI()->SpellHit(m_caster ,m_spellInfo);
941	}
942	}
943
944	void Spell::DoSpellHitOnUnit(Unit *unit, const uint32 effectMask)
945	{
946	if(!unit \|\| !effectMask)
947	return;
948
949	// Recheck immune (only for delayed spells)
950	if( m_spellInfo->speed && (
951	unit->IsImmunedToDamage(GetSpellSchoolMask(m_spellInfo),true) \|\|
952	unit->IsImmunedToSpell(m_spellInfo,true) ))
953	{
954	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_IMMUNE);
955	return;
956	}
957
958	if( m_caster != unit )
959	{
960	if( !m_caster->IsFriendlyTo(unit) )
961	{
962	// for delayed spells ignore not visible explicit target
963	if(m_spellInfo->speed > 0.0f && unit==m_targets.getUnitTarget() && !unit->isVisibleForOrDetect(m_caster,false))
964	{
965	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_EVADE);
966	return;
967	}
968
969	// exclude Arcane Missiles Dummy Aura aura for now (attack on hit)
970	// TODO: find way to not need this?
971	if(!(m_spellInfo->SpellFamilyName == SPELLFAMILY_MAGE &&
972	m_spellInfo->SpellFamilyFlags & 0x800LL))
973	{
974	unit->RemoveSpellsCausingAura(SPELL_AURA_MOD_STEALTH);
975
976	if( !(m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_NO_INITIAL_AGGRO) )
977	{
978	if(!unit->IsStandState() && !unit->hasUnitState(UNIT_STAT_STUNDED))
979	unit->SetStandState(PLAYER_STATE_NONE);
980
981	if(!unit->isInCombat() && unit->GetTypeId() != TYPEID_PLAYER && ((Creature*)unit)->AI())
982	((Creature*)unit)->AI()->AttackStart(m_caster);
983
984	unit->SetInCombatWith(m_caster);
985	m_caster->SetInCombatWith(unit);
986
987	if(Player *attackedPlayer = unit->GetCharmerOrOwnerPlayerOrPlayerItself())
988	{
989	m_caster->SetContestedPvP(attackedPlayer);
990	}
991	unit->AddThreat(m_caster, 0.0f);
992	}
993	}
994	}
995	else
996	{
997	// for delayed spells ignore negative spells (after duel end) for friendly targets
998	if(m_spellInfo->speed > 0.0f && !IsPositiveSpell(m_spellInfo->Id))
999	{
1000	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_EVADE);
1001	return;
1002	}
1003
1004	// assisting case, healing and resurrection
1005	if(unit->hasUnitState(UNIT_STAT_ATTACK_PLAYER))
1006	m_caster->SetContestedPvP();
1007	if( unit->isInCombat() && !(m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_NO_INITIAL_AGGRO) )
1008	{
1009	m_caster->SetInCombatState(unit->GetCombatTimer() > 0);
1010	unit->getHostilRefManager().threatAssist(m_caster, 0.0f);
1011	}
1012	}
1013	}
1014
1015	// Get Data Needed for Diminishing Returns, some effects may have multiple auras, so this must be done on spell hit, not aura add
1016	m_diminishGroup = GetDiminishingReturnsGroupForSpell(m_spellInfo,m_triggeredByAuraSpell);
1017	m_diminishLevel = unit->GetDiminishing(m_diminishGroup);
1018	// Increase Diminishing on unit, current informations for actually casts will use values above
1019	if((GetDiminishingReturnsGroupType(m_diminishGroup) == DRTYPE_PLAYER && unit->GetTypeId() == TYPEID_PLAYER) \|\| GetDiminishingReturnsGroupType(m_diminishGroup) == DRTYPE_ALL)
1020	unit->IncrDiminishing(m_diminishGroup);
1021
1022	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1023	{
1024	if (effectMask & (1<<effectNumber))
1025	{
1026	HandleEffects(unit,NULL,NULL,effectNumber,m_damageMultipliers[effectNumber]);
1027	if ( m_applyMultiplierMask & (1 << effectNumber) )
1028	{
1029	// Get multiplier
1030	float multiplier = m_spellInfo->DmgMultiplier[effectNumber];
1031	// Apply multiplier mods
1032	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
1033	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_EFFECT_PAST_FIRST, multiplier,this);
1034	m_damageMultipliers[effectNumber] *= multiplier;
1035	}
1036	}
1037	}
1038	}
1039
1040	void Spell::DoAllEffectOnTarget(GOTargetInfo *target)
1041	{
1042	if (target->processed) // Check target
1043	return;
1044	target->processed = true; // Target checked in apply effects procedure
1045
1046	uint32 effectMask = target->effectMask;
1047	if(!effectMask)
1048	return;
1049
1050	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, target->targetGUID);
1051	if(!go)
1052	return;
1053
1054	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1055	if (effectMask & (1<<effectNumber))
1056	HandleEffects(NULL,NULL,go,effectNumber);
1057
1058	// cast at creature (or GO) quest objectives update at successful cast finished (+channel finished)
1059	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
1060	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() && !IsChannelActive() )
1061	((Player*)m_caster)->CastedCreatureOrGO(go->GetEntry(),go->GetGUID(),m_spellInfo->Id);
1062	}
1063
1064	void Spell::DoAllEffectOnTarget(ItemTargetInfo *target)
1065	{
1066	uint32 effectMask = target->effectMask;
1067	if(!target->item \|\| !effectMask)
1068	return;
1069
1070	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1071	if (effectMask & (1<<effectNumber))
1072	HandleEffects(NULL, target->item, NULL, effectNumber);
1073	}
1074
1075	bool Spell::IsAliveUnitPresentInTargetList()
1076	{
1077	// Not need check return true
1078	if (m_needAliveTargetMask == 0)
1079	return true;
1080
1081	uint8 needAliveTargetMask = m_needAliveTargetMask;
1082
1083	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
1084	{
1085	if( ihit->missCondition == SPELL_MISS_NONE && (needAliveTargetMask & ihit->effectMask) )
1086	{
1087	Unit unit = m_caster->GetGUID()==ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
1088
1089	if (unit && unit->isAlive())
1090	needAliveTargetMask &= ~ihit->effectMask; // remove from need alive mask effect that have alive target
1091	}
1092	}
1093
1094	// is all effects from m_needAliveTargetMask have alive targets
1095	return needAliveTargetMask==0;
1096	}
1097
1098	// Helper for Chain Healing
1099	// Spell target first
1100	// Raidmates then descending by injury suffered (MaxHealth - Health)
1101	// Other players/mobs then descending by injury suffered (MaxHealth - Health)
1102	struct ChainHealingOrder : public std::binary_function<const Unit, const Unit, bool>
1103	{
1104	const Unit* MainTarget;
1105	ChainHealingOrder(Unit const* Target) : MainTarget(Target) {};
1106	// functor for operator ">"
1107	bool operator()(Unit const* _Left, Unit const* _Right) const
1108	{
1109	return (ChainHealingHash(_Left) < ChainHealingHash(_Right));
1110	}
1111	int32 ChainHealingHash(Unit const* Target) const
1112	{
1113	if (Target == MainTarget)
1114	return 0;
1115	else if (Target->GetTypeId() == TYPEID_PLAYER && MainTarget->GetTypeId() == TYPEID_PLAYER &&
1116	((Player const)Target)->IsInSameRaidWith((Player const)MainTarget))
1117	{
1118	if (Target->GetHealth() == Target->GetMaxHealth())
1119	return 40000;
1120	else
1121	return 20000 - Target->GetMaxHealth() + Target->GetHealth();
1122	}
1123	else
1124	return 40000 - Target->GetMaxHealth() + Target->GetHealth();
1125	}
1126	};
1127
1128	class ChainHealingFullHealth: std::unary_function<const Unit*, bool>
1129	{
1130	public:
1131	const Unit* MainTarget;
1132	ChainHealingFullHealth(const Unit* Target) : MainTarget(Target) {};
1133
1134	bool operator()(const Unit* Target)
1135	{
1136	return (Target != MainTarget && Target->GetHealth() == Target->GetMaxHealth());
1137	}
1138	};
1139
1140	// Helper for targets nearest to the spell target
1141	// The spell target is always first unless there is a target at _completely_ the same position (unbelievable case)
1142	struct TargetDistanceOrder : public std::binary_function<const Unit, const Unit, bool>
1143	{
1144	const Unit* MainTarget;
1145	TargetDistanceOrder(const Unit* Target) : MainTarget(Target) {};
1146	// functor for operator ">"
1147	bool operator()(const Unit* _Left, const Unit* _Right) const
1148	{
1149	return (MainTarget->GetDistance(_Left) < MainTarget->GetDistance(_Right));
1150	}
1151	};
1152
1153	void Spell::SetTargetMap(uint32 i,uint32 cur,std::list<Unit*> &TagUnitMap)
1154	{
1155	float radius;
1156	if (m_spellInfo->EffectRadiusIndex[i])
1157	radius = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
1158	else
1159	radius = GetSpellMaxRange(sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex));
1160
1161	if(m_originalCaster)
1162	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
1163	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_RADIUS, radius,this);
1164
1165	uint32 EffectChainTarget = m_spellInfo->EffectChainTarget[i];
1166	if(m_originalCaster)
1167	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
1168	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_JUMP_TARGETS, EffectChainTarget, this);
1169
1170	uint32 unMaxTargets = m_spellInfo->MaxAffectedTargets;
1171	switch(cur)
1172	{
1173	case TARGET_TOTEM_EARTH:
1174	case TARGET_TOTEM_WATER:
1175	case TARGET_TOTEM_AIR:
1176	case TARGET_TOTEM_FIRE:
1177	case TARGET_SELF:
1178	case TARGET_SELF2:
1179	case TARGET_DYNAMIC_OBJECT:
1180	case TARGET_AREAEFFECT_CUSTOM:
1181	case TARGET_AREAEFFECT_CUSTOM_2:
1182	case TARGET_SUMMON:
1183	{
1184	TagUnitMap.push_back(m_caster);
1185	break;
1186	}
1187	case TARGET_RANDOM_ENEMY_CHAIN_IN_AREA:
1188	{
1189	m_targets.m_targetMask = 0;
1190	unMaxTargets = EffectChainTarget;
1191	float max_range = radius + unMaxTargets * CHAIN_SPELL_JUMP_RADIUS;
1192
1193	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1194	Cell cell(p);
1195	cell.data.Part.reserved = ALL_DISTRICT;
1196	cell.SetNoCreate();
1197
1198	std::list<Unit *> tempUnitMap;
1199
1200	{
1201	MaNGOS::AnyAoETargetUnitInObjectRangeCheck u_check(m_caster, m_caster, max_range);
1202	MaNGOS::UnitListSearcher<MaNGOS::AnyAoETargetUnitInObjectRangeCheck> searcher(tempUnitMap, u_check);
1203
1204	TypeContainerVisitor<MaNGOS::UnitListSearcher<MaNGOS::AnyAoETargetUnitInObjectRangeCheck>, WorldTypeMapContainer > world_unit_searcher(searcher);
1205	TypeContainerVisitor<MaNGOS::UnitListSearcher<MaNGOS::AnyAoETargetUnitInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1206
1207	CellLock<GridReadGuard> cell_lock(cell, p);
1208	cell_lock->Visit(cell_lock, world_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1209	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1210	}
1211
1212	if(tempUnitMap.empty())
1213	break;
1214
1215	tempUnitMap.sort(TargetDistanceOrder(m_caster));
1216
1217	//Now to get us a random target that's in the initial range of the spell
1218	uint32 t = 0;
1219	std::list<Unit *>::iterator itr = tempUnitMap.begin();
1220	while(itr!= tempUnitMap.end() && (*itr)->GetDistance(m_caster) < radius)
1221	++t, ++itr;
1222
1223	if(!t)
1224	break;
1225
1226	itr = tempUnitMap.begin();
1227	std::advance(itr, rand()%t);
1228	Unit pUnitTarget = itr;
1229	TagUnitMap.push_back(pUnitTarget);
1230
1231	tempUnitMap.erase(itr);
1232
1233	tempUnitMap.sort(TargetDistanceOrder(pUnitTarget));
1234
1235	t = unMaxTargets - 1;
1236	Unit *prev = pUnitTarget;
1237	std::list<Unit*>::iterator next = tempUnitMap.begin();
1238
1239	while(t && next != tempUnitMap.end() )
1240	{
1241	if(prev->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
1242	break;
1243
1244	if(!prev->IsWithinLOSInMap(*next))
1245	{
1246	++next;
1247	continue;
1248	}
1249
1250	prev = *next;
1251	TagUnitMap.push_back(prev);
1252	tempUnitMap.erase(next);
1253	tempUnitMap.sort(TargetDistanceOrder(prev));
1254	next = tempUnitMap.begin();
1255
1256	--t;
1257	}
1258	}break;
1259	case TARGET_PET:
1260	{
1261	Pet* tmpUnit = m_caster->GetPet();
1262	if (!tmpUnit) break;
1263	TagUnitMap.push_back(tmpUnit);
1264	break;
1265	}
1266	case TARGET_CHAIN_DAMAGE:
1267	{
1268	if (EffectChainTarget <= 1)
1269	{
1270	Unit* pUnitTarget = SelectMagnetTarget();
1271	if(pUnitTarget)
1272	TagUnitMap.push_back(pUnitTarget);
1273	}
1274	else
1275	{
1276	Unit* pUnitTarget = m_targets.getUnitTarget();
1277	if(!pUnitTarget)
1278	break;
1279
1280	unMaxTargets = EffectChainTarget;
1281
1282	float max_range;
1283	if(m_spellInfo->DmgClass==SPELL_DAMAGE_CLASS_MELEE)
1284	max_range = radius; //
1285	else
1286	//FIXME: This very like horrible hack and wrong for most spells
1287	max_range = radius + unMaxTargets * CHAIN_SPELL_JUMP_RADIUS;
1288
1289	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1290	Cell cell(p);
1291	cell.data.Part.reserved = ALL_DISTRICT;
1292	cell.SetNoCreate();
1293
1294	Unit* originalCaster = GetOriginalCaster();
1295	if(originalCaster)
1296	{
1297	std::list<Unit *> tempUnitMap;
1298
1299	{
1300	MaNGOS::AnyAoETargetUnitInObjectRangeCheck u_check(pUnitTarget, originalCaster, max_range);
1301	MaNGOS::UnitListSearcher<MaNGOS::AnyAoETargetUnitInObjectRangeCheck> searcher(tempUnitMap, u_check);
1302
1303	TypeContainerVisitor<MaNGOS::UnitListSearcher<MaNGOS::AnyAoETargetUnitInObjectRangeCheck>, WorldTypeMapContainer > world_unit_searcher(searcher);
1304	TypeContainerVisitor<MaNGOS::UnitListSearcher<MaNGOS::AnyAoETargetUnitInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1305
1306	CellLock<GridReadGuard> cell_lock(cell, p);
1307	cell_lock->Visit(cell_lock, world_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1308	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1309	}
1310
1311	tempUnitMap.sort(TargetDistanceOrder(pUnitTarget));
1312
1313	if(tempUnitMap.empty())
1314	break;
1315
1316	if(*tempUnitMap.begin() == pUnitTarget)
1317	tempUnitMap.erase(tempUnitMap.begin());
1318
1319	TagUnitMap.push_back(pUnitTarget);
1320	uint32 t = unMaxTargets - 1;
1321	Unit *prev = pUnitTarget;
1322	std::list<Unit*>::iterator next = tempUnitMap.begin();
1323
1324	while(t && next != tempUnitMap.end() )
1325	{
1326	if(prev->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
1327	break;
1328
1329	if(!prev->IsWithinLOSInMap(*next))
1330	{
1331	++next;
1332	continue;
1333	}
1334
1335	prev = *next;
1336	TagUnitMap.push_back(prev);
1337	tempUnitMap.erase(next);
1338	tempUnitMap.sort(TargetDistanceOrder(prev));
1339	next = tempUnitMap.begin();
1340
1341	--t;
1342	}
1343	}
1344	}
1345	}break;
1346	case TARGET_ALL_ENEMY_IN_AREA:
1347	{
1348	}break;
1349	case TARGET_ALL_ENEMY_IN_AREA_INSTANT:
1350	{
1351	// targets the ground, not the units in the area
1352	if (m_spellInfo->Effect[i]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
1353	{
1354	CellPair p(MaNGOS::ComputeCellPair(m_targets.m_destX, m_targets.m_destY));
1355	Cell cell(p);
1356	cell.data.Part.reserved = ALL_DISTRICT;
1357	cell.SetNoCreate();
1358
1359	MaNGOS::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_DEST_CENTER,SPELL_TARGETS_AOE_DAMAGE);
1360
1361	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1362	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1363
1364	CellLock<GridReadGuard> cell_lock(cell, p);
1365	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1366	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1367
1368	// exclude caster (this can be important if this not original caster)
1369	TagUnitMap.remove(m_caster);
1370	}
1371	}break;
1372	case TARGET_DUELVSPLAYER_COORDINATES:
1373	{
1374	if(Unit* currentTarget = m_targets.getUnitTarget())
1375	{
1376	m_targets.setDestination(currentTarget->GetPositionX(), currentTarget->GetPositionY(), currentTarget->GetPositionZ());
1377	TagUnitMap.push_back(currentTarget);
1378	}
1379	}break;
1380	case TARGET_ALL_PARTY_AROUND_CASTER:
1381	case TARGET_ALL_PARTY_AROUND_CASTER_2:
1382	case TARGET_ALL_PARTY:
1383	{
1384	Player *pTarget = m_caster->GetCharmerOrOwnerPlayerOrPlayerItself();
1385	Group *pGroup = pTarget ? pTarget->GetGroup() : NULL;
1386
1387	if(pGroup)
1388	{
1389	uint8 subgroup = pTarget->GetSubGroup();
1390
1391	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1392	{
1393	Player* Target = itr->getSource();
1394
1395	// IsHostileTo check duel and controlled by enemy
1396	if( Target && Target->GetSubGroup()==subgroup && !m_caster->IsHostileTo(Target) )
1397	{
1398	if( m_caster->IsWithinDistInMap(Target, radius) )
1399	TagUnitMap.push_back(Target);
1400
1401	if(Pet* pet = Target->GetPet())
1402	if( m_caster->IsWithinDistInMap(pet, radius) )
1403	TagUnitMap.push_back(pet);
1404	}
1405	}
1406	}
1407	else
1408	{
1409	Unit* ownerOrSelf = pTarget ? pTarget : m_caster->GetCharmerOrOwnerOrSelf();
1410	if(ownerOrSelf==m_caster \|\| m_caster->IsWithinDistInMap(ownerOrSelf, radius))
1411	TagUnitMap.push_back(ownerOrSelf);
1412	if(Pet* pet = ownerOrSelf->GetPet())
1413	if( m_caster->IsWithinDistInMap(pet, radius) )
1414	TagUnitMap.push_back(pet);
1415	}
1416	}break;
1417	case TARGET_RANDOM_RAID_MEMBER:
1418	{
1419	if (m_caster->GetTypeId() == TYPEID_PLAYER)
1420	if(Player* target = ((Player*)m_caster)->GetNextRandomRaidMember(radius))
1421	TagUnitMap.push_back(target);
1422	}break;
1423	case TARGET_SINGLE_FRIEND:
1424	case TARGET_SINGLE_FRIEND_2:
1425	{
1426	if(m_targets.getUnitTarget())
1427	TagUnitMap.push_back(m_targets.getUnitTarget());
1428	}break;
1429	case TARGET_NONCOMBAT_PET:
1430	{
1431	if(Unit* target = m_targets.getUnitTarget())
1432	if( target->GetTypeId() == TYPEID_UNIT && ((Creature)target)->isPet() && ((Pet)target)->getPetType() == MINI_PET)
1433	TagUnitMap.push_back(target);
1434	}break;
1435	case TARGET_ALL_AROUND_CASTER:
1436	{
1437	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1438	Cell cell(p);
1439	cell.data.Part.reserved = ALL_DISTRICT;
1440	cell.SetNoCreate();
1441
1442	MaNGOS::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_SELF_CENTER,SPELL_TARGETS_AOE_DAMAGE);
1443
1444	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1445	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1446
1447	CellLock<GridReadGuard> cell_lock(cell, p);
1448	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1449	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1450	}break;
1451	case TARGET_ALL_FRIENDLY_UNITS_AROUND_CASTER:
1452	{
1453	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1454	Cell cell(p);
1455	cell.data.Part.reserved = ALL_DISTRICT;
1456	cell.SetNoCreate();
1457
1458	MaNGOS::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_SELF_CENTER,SPELL_TARGETS_FRIENDLY);
1459
1460	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1461	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1462
1463	CellLock<GridReadGuard> cell_lock(cell, p);
1464	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1465	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1466	}break;
1467	case TARGET_ALL_FRIENDLY_UNITS_IN_AREA:
1468	{
1469	CellPair p(MaNGOS::ComputeCellPair(m_targets.m_destX, m_targets.m_destY));
1470	Cell cell(p);
1471	cell.data.Part.reserved = ALL_DISTRICT;
1472	cell.SetNoCreate();
1473
1474	MaNGOS::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_DEST_CENTER,SPELL_TARGETS_FRIENDLY);
1475
1476	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1477	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1478
1479	CellLock<GridReadGuard> cell_lock(cell, p);
1480	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1481	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1482	}break;
1483	// TARGET_SINGLE_PARTY means that the spells can only be casted on a party member and not on the caster (some sceals, fire shield from imp, etc..)
1484	case TARGET_SINGLE_PARTY:
1485	{
1486	Unit *target = m_targets.getUnitTarget();
1487	// Thoses spells apparently can't be casted on the caster.
1488	if( target && target != m_caster)
1489	{
1490	// Can only be casted on group's members or its pets
1491	Group *pGroup = NULL;
1492
1493	Unit* owner = m_caster->GetCharmerOrOwner();
1494	Unit *targetOwner = target->GetCharmerOrOwner();
1495	if(owner)
1496	{
1497	if(owner->GetTypeId() == TYPEID_PLAYER)
1498	{
1499	if( target == owner )
1500	{
1501	TagUnitMap.push_back(target);
1502	break;
1503	}
1504	pGroup = ((Player*)owner)->GetGroup();
1505	}
1506	}
1507	else if (m_caster->GetTypeId() == TYPEID_PLAYER)
1508	{
1509	if( targetOwner == m_caster && target->GetTypeId()==TYPEID_UNIT && ((Creature*)target)->isPet())
1510	{
1511	TagUnitMap.push_back(target);
1512	break;
1513	}
1514	pGroup = ((Player*)m_caster)->GetGroup();
1515	}
1516
1517	if(pGroup)
1518	{
1519	// Our target can also be a player's pet who's grouped with us or our pet. But can't be controlled player
1520	if(targetOwner)
1521	{
1522	if( targetOwner->GetTypeId() == TYPEID_PLAYER &&
1523	target->GetTypeId()==TYPEID_UNIT && (((Creature*)target)->isPet()) &&
1524	target->GetOwnerGUID()==targetOwner->GetGUID() &&
1525	pGroup->IsMember(((Player*)targetOwner)->GetGUID()))
1526	{
1527	TagUnitMap.push_back(target);
1528	}
1529	}
1530	// 1Our target can be a player who is on our group
1531	else if (target->GetTypeId() == TYPEID_PLAYER && pGroup->IsMember(((Player*)target)->GetGUID()))
1532	{
1533	TagUnitMap.push_back(target);
1534	}
1535	}
1536	}
1537	}break;
1538	case TARGET_GAMEOBJECT:
1539	{
1540	if(m_targets.getGOTarget())
1541	AddGOTarget(m_targets.getGOTarget(), i);
1542	}break;
1543	case TARGET_IN_FRONT_OF_CASTER:
1544	{
1545	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1546	Cell cell(p);
1547	cell.data.Part.reserved = ALL_DISTRICT;
1548	cell.SetNoCreate();
1549
1550	bool inFront = m_spellInfo->SpellVisual != 3879;
1551	MaNGOS::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, inFront ? PUSH_IN_FRONT : PUSH_IN_BACK,SPELL_TARGETS_AOE_DAMAGE);
1552
1553	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1554	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1555
1556	CellLock<GridReadGuard> cell_lock(cell, p);
1557	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1558	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1559	}break;
1560	case TARGET_DUELVSPLAYER:
1561	{
1562	Unit *target = m_targets.getUnitTarget();
1563	if(target)
1564	{
1565	if(m_caster->IsFriendlyTo(target))
1566	{
1567	TagUnitMap.push_back(target);
1568	}
1569	else
1570	{
1571	Unit* pUnitTarget = SelectMagnetTarget();
1572	if(pUnitTarget)
1573	TagUnitMap.push_back(pUnitTarget);
1574	}
1575	}
1576	}break;
1577	case TARGET_GAMEOBJECT_ITEM:
1578	{
1579	if(m_targets.getGOTargetGUID())
1580	AddGOTarget(m_targets.getGOTarget(), i);
1581	else if(m_targets.getItemTarget())
1582	AddItemTarget(m_targets.getItemTarget(), i);
1583	break;
1584	}
1585	case TARGET_MASTER:
1586	{
1587	if(Unit* owner = m_caster->GetCharmerOrOwner())
1588	TagUnitMap.push_back(owner);
1589	break;
1590	}
1591	case TARGET_ALL_ENEMY_IN_AREA_CHANNELED:
1592	{
1593	// targets the ground, not the units in the area
1594	if (m_spellInfo->Effect[i]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
1595	{
1596	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1597	Cell cell(p);
1598	cell.data.Part.reserved = ALL_DISTRICT;
1599	cell.SetNoCreate();
1600
1601	MaNGOS::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_DEST_CENTER,SPELL_TARGETS_AOE_DAMAGE);
1602
1603	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1604	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1605
1606	CellLock<GridReadGuard> cell_lock(cell, p);
1607	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1608	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1609	}
1610	}break;
1611	case TARGET_MINION:
1612	{
1613	if(m_spellInfo->Effect[i] != SPELL_EFFECT_DUEL)
1614	TagUnitMap.push_back(m_caster);
1615	}break;
1616	case TARGET_SINGLE_ENEMY:
1617	{
1618	Unit* pUnitTarget = SelectMagnetTarget();
1619	if(pUnitTarget)
1620	TagUnitMap.push_back(pUnitTarget);
1621	}break;
1622	case TARGET_AREAEFFECT_PARTY:
1623	{
1624	Unit* owner = m_caster->GetCharmerOrOwner();
1625	Player *pTarget = NULL;
1626
1627	if(owner)
1628	{
1629	TagUnitMap.push_back(m_caster);
1630	if(owner->GetTypeId() == TYPEID_PLAYER)
1631	pTarget = (Player*)owner;
1632	}
1633	else if (m_caster->GetTypeId() == TYPEID_PLAYER)
1634	{
1635	if(Unit* target = m_targets.getUnitTarget())
1636	{
1637	if( target->GetTypeId() != TYPEID_PLAYER)
1638	{
1639	if(((Creature*)target)->isPet())
1640	{
1641	Unit *targetOwner = target->GetOwner();
1642	if(targetOwner->GetTypeId() == TYPEID_PLAYER)
1643	pTarget = (Player*)targetOwner;
1644	}
1645	}
1646	else
1647	pTarget = (Player*)target;
1648	}
1649	}
1650
1651	Group* pGroup = pTarget ? pTarget->GetGroup() : NULL;
1652
1653	if(pGroup)
1654	{
1655	uint8 subgroup = pTarget->GetSubGroup();
1656
1657	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1658	{
1659	Player* Target = itr->getSource();
1660
1661	// IsHostileTo check duel and controlled by enemy
1662	if(Target && Target->GetSubGroup()==subgroup && !m_caster->IsHostileTo(Target))
1663	{
1664	if( pTarget->IsWithinDistInMap(Target, radius) )
1665	TagUnitMap.push_back(Target);
1666
1667	if(Pet* pet = Target->GetPet())
1668	if( pTarget->IsWithinDistInMap(pet, radius) )
1669	TagUnitMap.push_back(pet);
1670	}
1671	}
1672	}
1673	else if (owner)
1674	{
1675	if(m_caster->IsWithinDistInMap(owner, radius))
1676	TagUnitMap.push_back(owner);
1677	}
1678	else if(pTarget)
1679	{
1680	TagUnitMap.push_back(pTarget);
1681
1682	if(Pet* pet = pTarget->GetPet())
1683	if( m_caster->IsWithinDistInMap(pet, radius) )
1684	TagUnitMap.push_back(pet);
1685	}
1686
1687	}break;
1688	case TARGET_SCRIPT:
1689	{
1690	if(m_targets.getUnitTarget())
1691	TagUnitMap.push_back(m_targets.getUnitTarget());
1692	if(m_targets.getItemTarget())
1693	AddItemTarget(m_targets.getItemTarget(), i);
1694	}break;
1695	case TARGET_SELF_FISHING:
1696	{
1697	TagUnitMap.push_back(m_caster);
1698	}break;
1699	case TARGET_CHAIN_HEAL:
1700	{
1701	Unit* pUnitTarget = m_targets.getUnitTarget();
1702	if(!pUnitTarget)
1703	break;
1704
1705	if (EffectChainTarget <= 1)
1706	TagUnitMap.push_back(pUnitTarget);
1707	else
1708	{
1709	unMaxTargets = EffectChainTarget;
1710	float max_range = radius + unMaxTargets * CHAIN_SPELL_JUMP_RADIUS;
1711
1712	std::list<Unit *> tempUnitMap;
1713
1714	{
1715	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1716	Cell cell(p);
1717	cell.data.Part.reserved = ALL_DISTRICT;
1718	cell.SetNoCreate();
1719
1720	MaNGOS::SpellNotifierCreatureAndPlayer notifier(*this, tempUnitMap, max_range, PUSH_SELF_CENTER, SPELL_TARGETS_FRIENDLY);
1721
1722	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1723	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1724
1725	CellLock<GridReadGuard> cell_lock(cell, p);
1726	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1727	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1728
1729	}
1730
1731	if(m_caster != pUnitTarget && std::find(tempUnitMap.begin(),tempUnitMap.end(),m_caster) == tempUnitMap.end() )
1732	tempUnitMap.push_front(m_caster);
1733
1734	tempUnitMap.sort(TargetDistanceOrder(pUnitTarget));
1735
1736	if(tempUnitMap.empty())
1737	break;
1738
1739	if(*tempUnitMap.begin() == pUnitTarget)
1740	tempUnitMap.erase(tempUnitMap.begin());
1741
1742	TagUnitMap.push_back(pUnitTarget);
1743	uint32 t = unMaxTargets - 1;
1744	Unit *prev = pUnitTarget;
1745	std::list<Unit*>::iterator next = tempUnitMap.begin();
1746
1747	while(t && next != tempUnitMap.end() )
1748	{
1749	if(prev->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
1750	break;
1751
1752	if(!prev->IsWithinLOSInMap(*next))
1753	{
1754	++next;
1755	continue;
1756	}
1757
1758	if((next)->GetHealth() == (next)->GetMaxHealth())
1759	{
1760	next = tempUnitMap.erase(next);
1761	continue;
1762	}
1763
1764	prev = *next;
1765	TagUnitMap.push_back(prev);
1766	tempUnitMap.erase(next);
1767	tempUnitMap.sort(TargetDistanceOrder(prev));
1768	next = tempUnitMap.begin();
1769
1770	--t;
1771	}
1772	}
1773	}break;
1774	case TARGET_CURRENT_ENEMY_COORDINATES:
1775	{
1776	Unit* currentTarget = m_targets.getUnitTarget();
1777	if(currentTarget)
1778	{
1779	TagUnitMap.push_back(currentTarget);
1780	m_targets.setDestination(currentTarget->GetPositionX(), currentTarget->GetPositionY(), currentTarget->GetPositionZ());
1781	if(m_spellInfo->EffectImplicitTargetB[i]==TARGET_ALL_ENEMY_IN_AREA_INSTANT)
1782	{
1783	CellPair p(MaNGOS::ComputeCellPair(currentTarget->GetPositionX(), currentTarget->GetPositionY()));
1784	Cell cell(p);
1785	cell.data.Part.reserved = ALL_DISTRICT;
1786	cell.SetNoCreate();
1787	MaNGOS::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius,PUSH_TARGET_CENTER, SPELL_TARGETS_AOE_DAMAGE);
1788	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_notifier(notifier);
1789	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_notifier(notifier);
1790	CellLock<GridReadGuard> cell_lock(cell, p);
1791	cell_lock->Visit(cell_lock, world_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1792	cell_lock->Visit(cell_lock, grid_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1793	}
1794	}
1795	}break;
1796	case TARGET_AREAEFFECT_PARTY_AND_CLASS:
1797	{
1798	Player* targetPlayer = m_targets.getUnitTarget() && m_targets.getUnitTarget()->GetTypeId() == TYPEID_PLAYER
1799	? (Player*)m_targets.getUnitTarget() : NULL;
1800
1801	Group* pGroup = targetPlayer ? targetPlayer->GetGroup() : NULL;
1802	if(pGroup)
1803	{
1804	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1805	{
1806	Player* Target = itr->getSource();
1807
1808	// IsHostileTo check duel and controlled by enemy
1809	if( Target && targetPlayer->IsWithinDistInMap(Target, radius) &&
1810	targetPlayer->getClass() == Target->getClass() &&
1811	!m_caster->IsHostileTo(Target) )
1812	{
1813	TagUnitMap.push_back(Target);
1814	}
1815	}
1816	}
1817	else if(m_targets.getUnitTarget())
1818	TagUnitMap.push_back(m_targets.getUnitTarget());
1819	break;
1820	}
1821	case TARGET_TABLE_X_Y_Z_COORDINATES:
1822	{
1823	SpellTargetPosition const* st = spellmgr.GetSpellTargetPosition(m_spellInfo->Id);
1824	if(st)
1825	{
1826	if (st->target_mapId == m_caster->GetMapId())
1827	m_targets.setDestination(st->target_X, st->target_Y, st->target_Z);
1828
1829	// if B==TARGET_TABLE_X_Y_Z_COORDINATES then A already fill all required targets
1830	if (m_spellInfo->EffectImplicitTargetB[i] && m_spellInfo->EffectImplicitTargetB[i]!=TARGET_TABLE_X_Y_Z_COORDINATES)
1831	{
1832	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1833	Cell cell(p);
1834	cell.data.Part.reserved = ALL_DISTRICT;
1835	cell.SetNoCreate();
1836
1837	SpellTargets targetB = SPELL_TARGETS_AOE_DAMAGE;
1838	// Select friendly targets for positive effect
1839	if (IsPositiveEffect(m_spellInfo->Id, i))
1840	targetB = SPELL_TARGETS_FRIENDLY;
1841
1842	MaNGOS::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius,PUSH_DEST_CENTER, targetB);
1843
1844	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_notifier(notifier);
1845	TypeContainerVisitor<MaNGOS::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_notifier(notifier);
1846
1847	CellLock<GridReadGuard> cell_lock(cell, p);
1848	cell_lock->Visit(cell_lock, world_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1849	cell_lock->Visit(cell_lock, grid_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1850	}
1851	}
1852	else
1853	sLog.outError( "SPELL: unknown target coordinates for spell ID %u\n", m_spellInfo->Id );
1854	}break;
1855	case TARGET_BEHIND_VICTIM:
1856	{
1857	Unit *pTarget = m_caster->getVictim();
1858	if(!pTarget && m_caster->GetTypeId() == TYPEID_PLAYER)
1859	pTarget = ObjectAccessor::GetUnit(m_caster, ((Player)m_caster)->GetSelection());
1860
1861	if(pTarget)
1862	{
1863	float _target_x, _target_y, _target_z;
1864	pTarget->GetClosePoint(_target_x, _target_y, _target_z, m_caster->GetObjectSize(), CONTACT_DISTANCE, M_PI);
1865	if(pTarget->IsWithinLOS(_target_x,_target_y,_target_z))
1866	m_targets.setDestination(_target_x, _target_y, _target_z);
1867	}
1868	}break;
1869	default:
1870	break;
1871	}
1872
1873	if (unMaxTargets && TagUnitMap.size() > unMaxTargets)
1874	{
1875	// make sure one unit is always removed per iteration
1876	uint32 removed_utarget = 0;
1877	for (std::list<Unit*>::iterator itr = TagUnitMap.begin(), next; itr != TagUnitMap.end(); itr = next)
1878	{
1879	next = itr;
1880	++next;
1881	if (!*itr) continue;
1882	if ((*itr) == m_targets.getUnitTarget())
1883	{
1884	TagUnitMap.erase(itr);
1885	removed_utarget = 1;
1886	// break;
1887	}
1888	}
1889	// remove random units from the map
1890	while (TagUnitMap.size() > unMaxTargets - removed_utarget)
1891	{
1892	uint32 poz = urand(0, TagUnitMap.size()-1);
1893	for (std::list<Unit*>::iterator itr = TagUnitMap.begin(); itr != TagUnitMap.end(); ++itr, --poz)
1894	{
1895	if (!*itr) continue;
1896	if (!poz)
1897	{
1898	TagUnitMap.erase(itr);
1899	break;
1900	}
1901	}
1902	}
1903	// the player's target will always be added to the map
1904	if (removed_utarget && m_targets.getUnitTarget())
1905	TagUnitMap.push_back(m_targets.getUnitTarget());
1906	}
1907	}
1908
1909	void Spell::prepare(SpellCastTargets * targets, Aura* triggeredByAura)
1910	{
1911	m_targets = *targets;
1912
1913	m_spellState = SPELL_STATE_PREPARING;
1914
1915	m_castPositionX = m_caster->GetPositionX();
1916	m_castPositionY = m_caster->GetPositionY();
1917	m_castPositionZ = m_caster->GetPositionZ();
1918	m_castOrientation = m_caster->GetOrientation();
1919
1920	if(triggeredByAura)
1921	m_triggeredByAuraSpell = triggeredByAura->GetSpellProto();
1922
1923	// create and add update event for this spell
1924	SpellEvent* Event = new SpellEvent(this);
1925	m_caster->m_Events.AddEvent(Event, m_caster->m_Events.CalculateTime(1));
1926
1927	//Prevent casting at cast another spell (ServerSide check)
1928	if(m_caster->IsNonMeleeSpellCasted(false, true) && m_cast_count)
1929	{
1930	SendCastResult(SPELL_FAILED_SPELL_IN_PROGRESS);
1931	finish(false);
1932	return;
1933	}
1934
1935	// Fill cost data
1936	m_powerCost = CalculatePowerCost();
1937
1938	uint8 result = CanCast(true);
1939	if(result != 0 && !IsAutoRepeat()) //always cast autorepeat dummy for triggering
1940	{
1941	if(triggeredByAura)
1942	{
1943	SendChannelUpdate(0);
1944	triggeredByAura->SetAuraDuration(0);
1945	}
1946	SendCastResult(result);
1947	finish(false);
1948	return;
1949	}
1950
1951	// calculate cast time (calculated after first CanCast check to prevent charge counting for first CanCast fail)
1952	m_casttime = GetSpellCastTime(m_spellInfo, this);
1953
1954	// set timer base at cast time
1955	ReSetTimer();
1956
1957	// stealth must be removed at cast starting (at show channel bar)
1958	// skip triggered spell (item equip spell casting and other not explicit character casts/item uses)
1959	if ( !m_IsTriggeredSpell && isSpellBreakStealth(m_spellInfo) )
1960	{
1961	m_caster->RemoveSpellsCausingAura(SPELL_AURA_MOD_STEALTH);
1962	m_caster->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
1963	}
1964
1965	if(m_IsTriggeredSpell)
1966	cast(true);
1967	else
1968	{
1969	m_caster->SetCurrentCastedSpell( this );
1970	m_selfContainer = &(m_caster->m_currentSpells[GetCurrentContainer()]);
1971	SendSpellStart();
1972	}
1973	}
1974
1975	void Spell::cancel()
1976	{
1977	if(m_spellState == SPELL_STATE_FINISHED)
1978	return;
1979
1980	m_autoRepeat = false;
1981	switch (m_spellState)
1982	{
1983	case SPELL_STATE_PREPARING:
1984	case SPELL_STATE_DELAYED:
1985	{
1986	SendInterrupted(0);
1987	SendCastResult(SPELL_FAILED_INTERRUPTED);
1988	} break;
1989
1990	case SPELL_STATE_CASTING:
1991	{
1992	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
1993	{
1994	if( ihit->missCondition == SPELL_MISS_NONE )
1995	{
1996	Unit* unit = m_caster->GetGUID()==(ihit).targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
1997	if( unit && unit->isAlive() )
1998	unit->RemoveAurasDueToSpell(m_spellInfo->Id);
1999	}
2000	}
2001
2002	m_caster->RemoveAurasDueToSpell(m_spellInfo->Id);
2003	SendChannelUpdate(0);
2004	SendInterrupted(0);
2005	SendCastResult(SPELL_FAILED_INTERRUPTED);
2006	} break;
2007
2008	default:
2009	{
2010	} break;
2011	}
2012
2013	finish(false);
2014	m_caster->RemoveDynObject(m_spellInfo->Id);
2015	m_caster->RemoveGameObject(m_spellInfo->Id,true);
2016	}
2017
2018	void Spell::cast(bool skipCheck)
2019	{
2020	uint8 castResult = 0;
2021
2022	// update pointers base at GUIDs to prevent access to non-existed already object
2023	UpdatePointers();
2024
2025	// cancel at lost main target unit
2026	if(!m_targets.getUnitTarget() && m_targets.getUnitTargetGUID() && m_targets.getUnitTargetGUID() != m_caster->GetGUID())
2027	{
2028	cancel();
2029	return;
2030	}
2031
2032	if(m_caster->GetTypeId() != TYPEID_PLAYER && m_targets.getUnitTarget() && m_targets.getUnitTarget() != m_caster)
2033	m_caster->SetInFront(m_targets.getUnitTarget());
2034
2035	castResult = CheckPower();
2036	if(castResult != 0)
2037	{
2038	SendCastResult(castResult);
2039	finish(false);
2040	return;
2041	}
2042
2043	// triggered cast called from Spell::prepare where it was already checked
2044	if(!skipCheck)
2045	{
2046	castResult = CanCast(false);
2047	if(castResult != 0)
2048	{
2049	SendCastResult(castResult);
2050	finish(false);
2051	return;
2052	}
2053	}
2054
2055	// Conflagrate - consumes immolate
2056	if ((m_spellInfo->TargetAuraState == AURA_STATE_IMMOLATE) && m_targets.getUnitTarget())
2057	{
2058	// for caster applied auras only
2059	Unit::AuraList const &mPeriodic = m_targets.getUnitTarget()->GetAurasByType(SPELL_AURA_PERIODIC_DAMAGE);
2060	for(Unit::AuraList::const_iterator i = mPeriodic.begin(); i != mPeriodic.end(); ++i)
2061	{
2062	if( (i)->GetSpellProto()->SpellFamilyName == SPELLFAMILY_WARLOCK && ((i)->GetSpellProto()->SpellFamilyFlags & 4) &&
2063	(*i)->GetCasterGUID()==m_caster->GetGUID() )
2064	{
2065	m_targets.getUnitTarget()->RemoveAura((i)->GetId(), (i)->GetEffIndex());
2066	break;
2067	}
2068	}
2069	}
2070
2071	// traded items have trade slot instead of guid in m_itemTargetGUID
2072	// set to real guid to be sent later to the client
2073	m_targets.updateTradeSlotItem();
2074
2075	// CAST SPELL
2076	SendSpellCooldown();
2077
2078	TakePower();
2079	TakeReagents(); // we must remove reagents before HandleEffects to allow place crafted item in same slot
2080	FillTargetMap();
2081
2082	if(m_spellState == SPELL_STATE_FINISHED) // stop cast if spell marked as finish somewhere in Take*/FillTargetMap
2083	return;
2084
2085	SendCastResult(castResult);
2086	SendSpellGo(); // we must send smsg_spell_go packet before m_castItem delete in TakeCastItem()...
2087
2088	// Pass cast spell event to handler (not send triggered by aura spells)
2089	if (m_spellInfo->DmgClass != SPELL_DAMAGE_CLASS_MELEE && m_spellInfo->DmgClass != SPELL_DAMAGE_CLASS_RANGED && !m_triggeredByAuraSpell)
2090	{
2091	m_caster->ProcDamageAndSpell(m_targets.getUnitTarget(), PROC_FLAG_CAST_SPELL, PROC_FLAG_NONE, 0, SPELL_SCHOOL_MASK_NONE, m_spellInfo, m_IsTriggeredSpell);
2092
2093	// update pointers base at GUIDs to prevent access to non-existed already object
2094	UpdatePointers(); // pointers can be invalidate at triggered spell casting
2095	}
2096
2097	// Okay, everything is prepared. Now we need to distinguish between immediate and evented delayed spells
2098	if (m_spellInfo->speed > 0.0f)
2099	{
2100
2101	// Remove used for cast item if need (it can be already NULL after TakeReagents call
2102	// in case delayed spell remove item at cast delay start
2103	TakeCastItem();
2104
2105	// Okay, maps created, now prepare flags
2106	m_immediateHandled = false;
2107	m_spellState = SPELL_STATE_DELAYED;
2108	SetDelayStart(0);
2109	}
2110	else
2111	{
2112	// Immediate spell, no big deal
2113	handle_immediate();
2114	}
2115	}
2116
2117	void Spell::handle_immediate()
2118	{
2119	// start channeling if applicable
2120	if(IsChanneledSpell(m_spellInfo))
2121	{
2122	m_spellState = SPELL_STATE_CASTING;
2123	SendChannelStart(GetSpellDuration(m_spellInfo));
2124	}
2125
2126	// process immediate effects (items, ground, etc.) also initialize some variables
2127	_handle_immediate_phase();
2128
2129	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2130	DoAllEffectOnTarget(&(*ihit));
2131
2132	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
2133	DoAllEffectOnTarget(&(*ihit));
2134
2135	// spell is finished, perform some last features of the spell here
2136	_handle_finish_phase();
2137
2138	// Remove used for cast item if need (it can be already NULL after TakeReagents call
2139	TakeCastItem();
2140
2141	if(m_spellState != SPELL_STATE_CASTING)
2142	finish(true); // successfully finish spell cast (not last in case autorepeat or channel spell)
2143	}
2144
2145	uint64 Spell::handle_delayed(uint64 t_offset)
2146	{
2147	uint64 next_time = 0;
2148
2149	if (!m_immediateHandled)
2150	{
2151	_handle_immediate_phase();
2152	m_immediateHandled = true;
2153	}
2154
2155	// now recheck units targeting correctness (need before any effects apply to prevent adding immunity at first effect not allow apply second spell effect and similar cases)
2156	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin(); ihit != m_UniqueTargetInfo.end();++ihit)
2157	{
2158	if (ihit->processed == false)
2159	{
2160	if ( ihit->timeDelay <= t_offset )
2161	DoAllEffectOnTarget(&(*ihit));
2162	else if( next_time == 0 \|\| ihit->timeDelay < next_time )
2163	next_time = ihit->timeDelay;
2164	}
2165	}
2166
2167	// now recheck gameobject targeting correctness
2168	for(std::list<GOTargetInfo>::iterator ighit= m_UniqueGOTargetInfo.begin(); ighit != m_UniqueGOTargetInfo.end();++ighit)
2169	{
2170	if (ighit->processed == false)
2171	{
2172	if ( ighit->timeDelay <= t_offset )
2173	DoAllEffectOnTarget(&(*ighit));
2174	else if( next_time == 0 \|\| ighit->timeDelay < next_time )
2175	next_time = ighit->timeDelay;
2176	}
2177	}
2178	// All targets passed - need finish phase
2179	if (next_time == 0)
2180	{
2181	// spell is finished, perform some last features of the spell here
2182	_handle_finish_phase();
2183
2184	finish(true); // successfully finish spell cast
2185
2186	// return zero, spell is finished now
2187	return 0;
2188	}
2189	else
2190	{
2191	// spell is unfinished, return next execution time
2192	return next_time;
2193	}
2194	}
2195
2196	void Spell::_handle_immediate_phase()
2197	{
2198	// handle some immediate features of the spell here
2199	HandleThreatSpells(m_spellInfo->Id);
2200
2201	m_needSpellLog = IsNeedSendToClient();
2202	for(uint32 j = 0;j<3;j++)
2203	{
2204	if(m_spellInfo->Effect[j]==0)
2205	continue;
2206
2207	// apply Send Event effect to ground in case empty target lists
2208	if( m_spellInfo->Effect[j] == SPELL_EFFECT_SEND_EVENT && !HaveTargetsForEffect(j) )
2209	{
2210	HandleEffects(NULL,NULL,NULL, j);
2211	continue;
2212	}
2213
2214	// Don't do spell log, if is school damage spell
2215	if(m_spellInfo->Effect[j] == SPELL_EFFECT_SCHOOL_DAMAGE \|\| m_spellInfo->Effect[j] == 0)
2216	m_needSpellLog = false;
2217
2218	uint32 EffectChainTarget = m_spellInfo->EffectChainTarget[j];
2219	if(m_originalCaster)
2220	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
2221	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_JUMP_TARGETS, EffectChainTarget, this);
2222
2223	// initialize multipliers
2224	m_damageMultipliers[j] = 1.0f;
2225	if( (m_spellInfo->EffectImplicitTargetA[j] == TARGET_CHAIN_DAMAGE \|\| m_spellInfo->EffectImplicitTargetA[j] == TARGET_CHAIN_HEAL) &&
2226	(EffectChainTarget > 1) )
2227	m_applyMultiplierMask \|= 1 << j;
2228	}
2229
2230	// initialize Diminishing Returns Data
2231	m_diminishLevel = DIMINISHING_LEVEL_1;
2232	m_diminishGroup = DIMINISHING_NONE;
2233
2234	// process items
2235	for(std::list<ItemTargetInfo>::iterator ihit= m_UniqueItemInfo.begin();ihit != m_UniqueItemInfo.end();++ihit)
2236	DoAllEffectOnTarget(&(*ihit));
2237
2238	// process ground
2239	for(uint32 j = 0;j<3;j++)
2240	{
2241	// persistent area auras target only the ground
2242	if(m_spellInfo->Effect[j] == SPELL_EFFECT_PERSISTENT_AREA_AURA)
2243	HandleEffects(NULL,NULL,NULL, j);
2244	}
2245	}
2246
2247	void Spell::_handle_finish_phase()
2248	{
2249	// spell log
2250	if(m_needSpellLog)
2251	SendLogExecute();
2252	}
2253
2254	void Spell::SendSpellCooldown()
2255	{
2256	if(m_caster->GetTypeId() != TYPEID_PLAYER)
2257	return;
2258
2259	Player* _player = (Player*)m_caster;
2260	// Add cooldown for max (disable spell)
2261	// Cooldown started on SendCooldownEvent call
2262	if (m_spellInfo->Attributes & SPELL_ATTR_DISABLED_WHILE_ACTIVE)
2263	{
2264	_player->AddSpellCooldown(m_spellInfo->Id, 0, time(NULL) - 1);
2265	return;
2266	}
2267
2268	// init cooldown values
2269	uint32 cat = 0;
2270	int32 rec = -1;
2271	int32 catrec = -1;
2272
2273	// some special item spells without correct cooldown in SpellInfo
2274	// cooldown information stored in item prototype
2275	// This used in same way in WorldSession::HandleItemQuerySingleOpcode data sending to client.
2276
2277	if(m_CastItem)
2278	{
2279	ItemPrototype const* proto = m_CastItem->GetProto();
2280	if(proto)
2281	{
2282	for(int idx = 0; idx < 5; ++idx)
2283	{
2284	if(proto->Spells[idx].SpellId == m_spellInfo->Id)
2285	{
2286	cat = proto->Spells[idx].SpellCategory;
2287	rec = proto->Spells[idx].SpellCooldown;
2288	catrec = proto->Spells[idx].SpellCategoryCooldown;
2289	break;
2290	}
2291	}
2292	}
2293	}
2294
2295	// if no cooldown found above then base at DBC data
2296	if(rec < 0 && catrec < 0)
2297	{
2298	cat = m_spellInfo->Category;
2299	rec = m_spellInfo->RecoveryTime;
2300	catrec = m_spellInfo->CategoryRecoveryTime;
2301	}
2302
2303	// shoot spells used equipped item cooldown values already assigned in GetAttackTime(RANGED_ATTACK)
2304	// prevent 0 cooldowns set by another way
2305	if (rec <= 0 && catrec <= 0 && (cat == 76 \|\| cat == 351))
2306	rec = _player->GetAttackTime(RANGED_ATTACK);
2307
2308	// Now we have cooldown data (if found any), time to apply mods
2309	if(rec > 0)
2310	_player->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COOLDOWN, rec, this);
2311
2312	if(catrec > 0)
2313	_player->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COOLDOWN, catrec, this);
2314
2315	// replace negative cooldowns by 0
2316	if (rec < 0) rec = 0;
2317	if (catrec < 0) catrec = 0;
2318
2319	// no cooldown after applying spell mods
2320	if( rec == 0 && catrec == 0)
2321	return;
2322
2323	time_t curTime = time(NULL);
2324
2325	time_t catrecTime = catrec ? curTime+catrec/1000 : 0; // in secs
2326	time_t recTime = rec ? curTime+rec/1000 : catrecTime;// in secs
2327
2328	// self spell cooldown
2329	if(recTime > 0)
2330	_player->AddSpellCooldown(m_spellInfo->Id, m_CastItem ? m_CastItem->GetEntry() : 0, recTime);
2331
2332	// category spells
2333	if (catrec > 0)
2334	{
2335	SpellCategoryStore::const_iterator i_scstore = sSpellCategoryStore.find(cat);
2336	if(i_scstore != sSpellCategoryStore.end())
2337	{
2338	for(SpellCategorySet::const_iterator i_scset = i_scstore->second.begin(); i_scset != i_scstore->second.end(); ++i_scset)
2339	{
2340	if(*i_scset == m_spellInfo->Id) // skip main spell, already handled above
2341	continue;
2342
2343	_player->AddSpellCooldown(m_spellInfo->Id, m_CastItem ? m_CastItem->GetEntry() : 0, catrecTime);
2344	}
2345	}
2346	}
2347	}
2348
2349	void Spell::update(uint32 difftime)
2350	{
2351	// update pointers based at it's GUIDs
2352	UpdatePointers();
2353
2354	if(m_targets.getUnitTargetGUID() && !m_targets.getUnitTarget())
2355	{
2356	cancel();
2357	return;
2358	}
2359
2360	// check if the player caster has moved before the spell finished
2361	if ((m_caster->GetTypeId() == TYPEID_PLAYER && m_timer != 0) &&
2362	(m_castPositionX != m_caster->GetPositionX() \|\| m_castPositionY != m_caster->GetPositionY() \|\| m_castPositionZ != m_caster->GetPositionZ()) &&
2363	(m_spellInfo->Effect[0] != SPELL_EFFECT_STUCK \|\| !m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING)))
2364	{
2365	// always cancel for channeled spells
2366	if( m_spellState == SPELL_STATE_CASTING )
2367	cancel();
2368	// don't cancel for melee, autorepeat, triggered and instant spells
2369	else if(!IsNextMeleeSwingSpell() && !IsAutoRepeat() && !m_IsTriggeredSpell && (m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_MOVEMENT))
2370	cancel();
2371	}
2372
2373	switch(m_spellState)
2374	{
2375	case SPELL_STATE_PREPARING:
2376	{
2377	if(m_timer)
2378	{
2379	if(difftime >= m_timer)
2380	m_timer = 0;
2381	else
2382	m_timer -= difftime;
2383	}
2384
2385	if(m_timer == 0 && !IsNextMeleeSwingSpell() && !IsAutoRepeat())
2386	cast();
2387	} break;
2388	case SPELL_STATE_CASTING:
2389	{
2390	if(m_timer > 0)
2391	{
2392	if( m_caster->GetTypeId() == TYPEID_PLAYER )
2393	{
2394	// check if player has jumped before the channeling finished
2395	if(m_caster->HasUnitMovementFlag(MOVEMENTFLAG_JUMPING))
2396	cancel();
2397
2398	// check for incapacitating player states
2399	if( m_caster->hasUnitState(UNIT_STAT_STUNDED \| UNIT_STAT_CONFUSED))
2400	cancel();
2401
2402	// check if player has turned if flag is set
2403	if( m_spellInfo->ChannelInterruptFlags & CHANNEL_FLAG_TURNING && m_castOrientation != m_caster->GetOrientation() )
2404	cancel();
2405	}
2406
2407	// check if there are alive targets left
2408	if (!IsAliveUnitPresentInTargetList())
2409	{
2410	SendChannelUpdate(0);
2411	finish();
2412	}
2413
2414	if(difftime >= m_timer)
2415	m_timer = 0;
2416	else
2417	m_timer -= difftime;
2418	}
2419
2420	if(m_timer == 0)
2421	{
2422	SendChannelUpdate(0);
2423
2424	// channeled spell processed independently for quest targeting
2425	// cast at creature (or GO) quest objectives update at successful cast channel finished
2426	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
2427	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() )
2428	{
2429	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2430	{
2431	TargetInfo* target = &*ihit;
2432	if(!IS_CREATURE_GUID(target->targetGUID))
2433	continue;
2434
2435	Unit* unit = m_caster->GetGUID()==target->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster,target->targetGUID);
2436	if (unit==NULL)
2437	continue;
2438
2439	((Player*)m_caster)->CastedCreatureOrGO(unit->GetEntry(),unit->GetGUID(),m_spellInfo->Id);
2440	}
2441
2442	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
2443	{
2444	GOTargetInfo* target = &*ihit;
2445
2446	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, target->targetGUID);
2447	if(!go)
2448	continue;
2449
2450	((Player*)m_caster)->CastedCreatureOrGO(go->GetEntry(),go->GetGUID(),m_spellInfo->Id);
2451	}
2452	}
2453
2454	finish();
2455	}
2456	} break;
2457	default:
2458	{
2459	}break;
2460	}
2461	}
2462
2463	void Spell::finish(bool ok)
2464	{
2465	if(!m_caster)
2466	return;
2467
2468	if(m_spellState == SPELL_STATE_FINISHED)
2469	return;
2470
2471	m_spellState = SPELL_STATE_FINISHED;
2472
2473	//remove spell mods
2474	if (m_caster->GetTypeId() == TYPEID_PLAYER)
2475	((Player*)m_caster)->RemoveSpellMods(this);
2476
2477	// other code related only to successfully finished spells
2478	if(!ok)
2479	return;
2480
2481	//handle SPELL_AURA_ADD_TARGET_TRIGGER auras
2482	Unit::AuraList const& targetTriggers = m_caster->GetAurasByType(SPELL_AURA_ADD_TARGET_TRIGGER);
2483	for(Unit::AuraList::const_iterator i = targetTriggers.begin(); i != targetTriggers.end(); ++i)
2484	{
2485	SpellEntry const auraSpellInfo = (i)->GetSpellProto();
2486	uint32 auraSpellIdx = (*i)->GetEffIndex();
2487	if (IsAffectedBy(auraSpellInfo, auraSpellIdx))
2488	{
2489	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2490	if( ihit->effectMask & (1<<auraSpellIdx) )
2491	{
2492	// check m_caster->GetGUID() let load auras at login and speedup most often case
2493	Unit unit = m_caster->GetGUID()== ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
2494	if (unit && unit->isAlive())
2495	{
2496	// Calculate chance at that moment (can be depend for example from combo points)
2497	int32 chance = m_caster->CalculateSpellDamage(auraSpellInfo, auraSpellIdx, (*i)->GetBasePoints(),unit);
2498
2499	if(roll_chance_i(chance))
2500	m_caster->CastSpell(unit, auraSpellInfo->EffectTriggerSpell[auraSpellIdx], true, NULL, (*i));
2501	}
2502	}
2503	}
2504	}
2505
2506	if (IsMeleeAttackResetSpell())
2507	{
2508	m_caster->resetAttackTimer(BASE_ATTACK);
2509	if(m_caster->haveOffhandWeapon())
2510	m_caster->resetAttackTimer(OFF_ATTACK);
2511	}
2512
2513	/*if (IsRangedAttackResetSpell())
2514	m_caster->resetAttackTimer(RANGED_ATTACK);*/
2515
2516	// Clear combo at finish state
2517	if(m_caster->GetTypeId() == TYPEID_PLAYER && NeedsComboPoints(m_spellInfo))
2518	((Player*)m_caster)->ClearComboPoints();
2519
2520	// call triggered spell only at successful cast (after clear combo points -> for add some if need)
2521	if(!m_TriggerSpells.empty())
2522	TriggerSpell();
2523
2524	// Stop Attack for some spells
2525	if( m_spellInfo->Attributes & SPELL_ATTR_STOP_ATTACK_TARGET )
2526	m_caster->AttackStop();
2527	}
2528
2529	void Spell::SendCastResult(uint8 result)
2530	{
2531	if (m_caster->GetTypeId() != TYPEID_PLAYER)
2532	return;
2533
2534	if(((Player*)m_caster)->GetSession()->PlayerLoading()) // don't send cast results at loading time
2535	return;
2536
2537	if(result != 0)
2538	{
2539	WorldPacket data(SMSG_CAST_FAILED, (4+1+1));
2540	data << uint32(m_spellInfo->Id);
2541	data << uint8(result); // problem
2542	data << uint8(m_cast_count); // single cast or multi 2.3 (0/1)
2543	switch (result)
2544	{
2545	case SPELL_FAILED_REQUIRES_SPELL_FOCUS:
2546	data << uint32(m_spellInfo->RequiresSpellFocus);
2547	break;
2548	case SPELL_FAILED_REQUIRES_AREA:
2549	// hardcode areas limitation case
2550	if( m_spellInfo->Id==41618 \|\| m_spellInfo->Id==41620 )
2551	data << uint32(3842);
2552	else if( m_spellInfo->Id==41617 \|\| m_spellInfo->Id==41619 )
2553	data << uint32(3905);
2554	// normal case
2555	else
2556	data << uint32(m_spellInfo->AreaId);
2557	break;
2558	case SPELL_FAILED_TOTEMS:
2559	if(m_spellInfo->Totem[0])
2560	data << uint32(m_spellInfo->Totem[0]);
2561	if(m_spellInfo->Totem[1])
2562	data << uint32(m_spellInfo->Totem[1]);
2563	break;
2564	case SPELL_FAILED_TOTEM_CATEGORY:
2565	if(m_spellInfo->TotemCategory[0])
2566	data << uint32(m_spellInfo->TotemCategory[0]);
2567	if(m_spellInfo->TotemCategory[1])
2568	data << uint32(m_spellInfo->TotemCategory[1]);
2569	break;
2570	case SPELL_FAILED_EQUIPPED_ITEM_CLASS:
2571	data << uint32(m_spellInfo->EquippedItemClass);
2572	data << uint32(m_spellInfo->EquippedItemSubClassMask);
2573	data << uint32(m_spellInfo->EquippedItemInventoryTypeMask);
2574	break;
2575	}
2576	((Player*)m_caster)->GetSession()->SendPacket(&data);
2577	}
2578	else
2579	{
2580	WorldPacket data(SMSG_CLEAR_EXTRA_AURA_INFO, (8+4));
2581	data.append(m_caster->GetPackGUID());
2582	data << uint32(m_spellInfo->Id);
2583	((Player*)m_caster)->GetSession()->SendPacket(&data);
2584	}
2585	}
2586
2587	void Spell::SendSpellStart()
2588	{
2589	if(!IsNeedSendToClient())
2590	return;
2591
2592	sLog.outDebug("Sending SMSG_SPELL_START id=%u",m_spellInfo->Id);
2593
2594	uint16 castFlags = CAST_FLAG_UNKNOWN1;
2595	if(IsRangedSpell())
2596	castFlags \|= CAST_FLAG_AMMO;
2597
2598	Unit * target;
2599	if(!m_targets.getUnitTarget())
2600	target = m_caster;
2601	else
2602	target = m_targets.getUnitTarget();
2603
2604	WorldPacket data(SMSG_SPELL_START, (8+8+4+4+2));
2605	if(m_CastItem)
2606	data.append(m_CastItem->GetPackGUID());
2607	else
2608	data.append(m_caster->GetPackGUID());
2609
2610	data.append(m_caster->GetPackGUID());
2611	data << uint32(m_spellInfo->Id);
2612	data << uint8(m_cast_count); // single cast or multi 2.3 (0/1)
2613	data << uint16(castFlags);
2614	data << uint32(m_timer);
2615
2616	m_targets.write(&data);
2617
2618	if( castFlags & CAST_FLAG_AMMO )
2619	WriteAmmoToPacket(&data);
2620
2621	m_caster->SendMessageToSet(&data, true);
2622	}
2623
2624	void Spell::SendSpellGo()
2625	{
2626	// not send invisible spell casting
2627	if(!IsNeedSendToClient())
2628	return;
2629
2630	sLog.outDebug("Sending SMSG_SPELL_GO id=%u",m_spellInfo->Id);
2631
2632	Unit * target;
2633	if(!m_targets.getUnitTarget())
2634	target = m_caster;
2635	else
2636	target = m_targets.getUnitTarget();
2637
2638	uint16 castFlags = CAST_FLAG_UNKNOWN3;
2639	if(IsRangedSpell())
2640	castFlags \|= CAST_FLAG_AMMO;
2641
2642	WorldPacket data(SMSG_SPELL_GO, 50); // guess size
2643	if(m_CastItem)
2644	data.append(m_CastItem->GetPackGUID());
2645	else
2646	data.append(m_caster->GetPackGUID());
2647
2648	data.append(m_caster->GetPackGUID());
2649	data << uint32(m_spellInfo->Id);
2650	data << uint16(castFlags);
2651	data << uint32(getMSTime()); // timestamp
2652
2653	WriteSpellGoTargets(&data);
2654
2655	m_targets.write(&data);
2656
2657	if( castFlags & CAST_FLAG_AMMO )
2658	WriteAmmoToPacket(&data);
2659
2660	m_caster->SendMessageToSet(&data, true);
2661	}
2662
2663	void Spell::WriteAmmoToPacket( WorldPacket * data )
2664	{
2665	uint32 ammoInventoryType = 0;
2666	uint32 ammoDisplayID = 0;
2667
2668	if (m_caster->GetTypeId() == TYPEID_PLAYER)
2669	{
2670	Item pItem = ((Player)m_caster)->GetWeaponForAttack( RANGED_ATTACK );
2671	if(pItem)
2672	{
2673	ammoInventoryType = pItem->GetProto()->InventoryType;
2674	if( ammoInventoryType == INVTYPE_THROWN )
2675	ammoDisplayID = pItem->GetProto()->DisplayInfoID;
2676	else
2677	{
2678	uint32 ammoID = ((Player*)m_caster)->GetUInt32Value(PLAYER_AMMO_ID);
2679	if(ammoID)
2680	{
2681	ItemPrototype const *pProto = objmgr.GetItemPrototype( ammoID );
2682	if(pProto)
2683	{
2684	ammoDisplayID = pProto->DisplayInfoID;
2685	ammoInventoryType = pProto->InventoryType;
2686	}
2687	}
2688	else if(m_caster->GetDummyAura(46699)) // Requires No Ammo
2689	{
2690	ammoDisplayID = 5996; // normal arrow
2691	ammoInventoryType = INVTYPE_AMMO;
2692	}
2693	}
2694	}
2695	}
2696	// TODO: implement selection ammo data based at ranged weapon stored in equipmodel/equipinfo/equipslot fields
2697
2698	*data << uint32(ammoDisplayID);
2699	*data << uint32(ammoInventoryType);
2700	}
2701
2702	void Spell::WriteSpellGoTargets( WorldPacket * data )
2703	{
2704	*data << (uint8)m_countOfHit;
2705	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2706	if ((*ihit).missCondition == SPELL_MISS_NONE) // Add only hits
2707	*data << uint64(ihit->targetGUID);
2708
2709	for(std::list<GOTargetInfo>::iterator ighit= m_UniqueGOTargetInfo.begin();ighit != m_UniqueGOTargetInfo.end();++ighit)
2710	*data << uint64(ighit->targetGUID); // Always hits
2711
2712	*data << (uint8)m_countOfMiss;
2713	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2714	{
2715	if( ihit->missCondition != SPELL_MISS_NONE ) // Add only miss
2716	{
2717	*data << uint64(ihit->targetGUID);
2718	*data << uint8(ihit->missCondition);
2719	if( ihit->missCondition == SPELL_MISS_REFLECT )
2720	*data << uint8(ihit->reflectResult);
2721	}
2722	}
2723	}
2724
2725	void Spell::SendLogExecute()
2726	{
2727	Unit *target = m_targets.getUnitTarget() ? m_targets.getUnitTarget() : m_caster;
2728
2729	WorldPacket data(SMSG_SPELLLOGEXECUTE, (8+4+4+4+4+8));
2730
2731	if(m_caster->GetTypeId() == TYPEID_PLAYER)
2732	data.append(m_caster->GetPackGUID());
2733	else
2734	data.append(target->GetPackGUID());
2735
2736	data << uint32(m_spellInfo->Id);
2737	uint32 count1 = 1;
2738	data << uint32(count1); // count1 (effect count?)
2739	for(uint32 i = 0; i < count1; ++i)
2740	{
2741	data << uint32(m_spellInfo->Effect[0]); // spell effect?
2742	uint32 count2 = 1;
2743	data << uint32(count2); // count2 (target count?)
2744	for(uint32 j = 0; j < count2; ++j)
2745	{
2746	switch(m_spellInfo->Effect[0])
2747	{
2748	case SPELL_EFFECT_POWER_DRAIN:
2749	if(Unit *unit = m_targets.getUnitTarget())
2750	data.append(unit->GetPackGUID());
2751	else
2752	data << uint8(0);
2753	data << uint32(0);
2754	data << uint32(0);
2755	data << float(0);
2756	break;
2757	case SPELL_EFFECT_ADD_EXTRA_ATTACKS:
2758	if(Unit *unit = m_targets.getUnitTarget())
2759	data.append(unit->GetPackGUID());
2760	else
2761	data << uint8(0);
2762	data << uint32(0); // count?
2763	break;
2764	case SPELL_EFFECT_INTERRUPT_CAST:
2765	if(Unit *unit = m_targets.getUnitTarget())
2766	data.append(unit->GetPackGUID());
2767	else
2768	data << uint8(0);
2769	data << uint32(0); // spellid
2770	break;
2771	case SPELL_EFFECT_DURABILITY_DAMAGE:
2772	if(Unit *unit = m_targets.getUnitTarget())
2773	data.append(unit->GetPackGUID());
2774	else
2775	data << uint8(0);
2776	data << uint32(0);
2777	data << uint32(0);
2778	break;
2779	case SPELL_EFFECT_OPEN_LOCK:
2780	case SPELL_EFFECT_OPEN_LOCK_ITEM:
2781	if(Item *item = m_targets.getItemTarget())
2782	data.append(item->GetPackGUID());
2783	else
2784	data << uint8(0);
2785	break;
2786	case SPELL_EFFECT_CREATE_ITEM:
2787	data << uint32(m_spellInfo->EffectItemType[0]);
2788	break;
2789	case SPELL_EFFECT_SUMMON:
2790	case SPELL_EFFECT_SUMMON_WILD:
2791	case SPELL_EFFECT_SUMMON_GUARDIAN:
2792	case SPELL_EFFECT_TRANS_DOOR:
2793	case SPELL_EFFECT_SUMMON_PET:
2794	case SPELL_EFFECT_SUMMON_POSSESSED:
2795	case SPELL_EFFECT_SUMMON_TOTEM:
2796	case SPELL_EFFECT_SUMMON_OBJECT_WILD:
2797	case SPELL_EFFECT_CREATE_HOUSE:
2798	case SPELL_EFFECT_DUEL:
2799	case SPELL_EFFECT_SUMMON_TOTEM_SLOT1:
2800	case SPELL_EFFECT_SUMMON_TOTEM_SLOT2:
2801	case SPELL_EFFECT_SUMMON_TOTEM_SLOT3:
2802	case SPELL_EFFECT_SUMMON_TOTEM_SLOT4:
2803	case SPELL_EFFECT_SUMMON_PHANTASM:
2804	case SPELL_EFFECT_SUMMON_CRITTER:
2805	case SPELL_EFFECT_SUMMON_OBJECT_SLOT1:
2806	case SPELL_EFFECT_SUMMON_OBJECT_SLOT2:
2807	case SPELL_EFFECT_SUMMON_OBJECT_SLOT3:
2808	case SPELL_EFFECT_SUMMON_OBJECT_SLOT4:
2809	case SPELL_EFFECT_SUMMON_DEMON:
2810	case SPELL_EFFECT_150:
2811	if(Unit *unit = m_targets.getUnitTarget())
2812	data.append(unit->GetPackGUID());
2813	else if(m_targets.getItemTargetGUID())
2814	data.appendPackGUID(m_targets.getItemTargetGUID());
2815	else if(GameObject *go = m_targets.getGOTarget())
2816	data.append(go->GetPackGUID());
2817	else
2818	data << uint8(0); // guid
2819	break;
2820	case SPELL_EFFECT_FEED_PET:
2821	data << uint32(m_targets.getItemTargetEntry());
2822	break;
2823	case SPELL_EFFECT_DISMISS_PET:
2824	if(Unit *unit = m_targets.getUnitTarget())
2825	data.append(unit->GetPackGUID());
2826	else
2827	data << uint8(0);
2828	break;
2829	default:
2830	return;
2831	}
2832	}
2833	}
2834
2835	m_caster->SendMessageToSet(&data, true);
2836	}
2837
2838	void Spell::SendInterrupted(uint8 result)
2839	{
2840	WorldPacket data(SMSG_SPELL_FAILURE, (8+4+1));
2841	data.append(m_caster->GetPackGUID());
2842	data << m_spellInfo->Id;
2843	data << result;
2844	m_caster->SendMessageToSet(&data, true);
2845
2846	data.Initialize(SMSG_SPELL_FAILED_OTHER, (8+4));
2847	data.append(m_caster->GetPackGUID());
2848	data << m_spellInfo->Id;
2849	m_caster->SendMessageToSet(&data, true);
2850	}
2851
2852	void Spell::SendChannelUpdate(uint32 time)
2853	{
2854	if(time == 0)
2855	{
2856	m_caster->SetUInt64Value(UNIT_FIELD_CHANNEL_OBJECT,0);
2857	m_caster->SetUInt32Value(UNIT_CHANNEL_SPELL,0);
2858	}
2859
2860	if (m_caster->GetTypeId() != TYPEID_PLAYER)
2861	return;
2862
2863	WorldPacket data( MSG_CHANNEL_UPDATE, 8+4 );
2864	data.append(m_caster->GetPackGUID());
2865	data << time;
2866
2867	((Player*)m_caster)->GetSession()->SendPacket( &data );
2868	}
2869
2870	void Spell::SendChannelStart(uint32 duration)
2871	{
2872	WorldObject* target = NULL;
2873
2874	// select first not rsusted target from target list for _0_ effect
2875	if(!m_UniqueTargetInfo.empty())
2876	{
2877	for(std::list<TargetInfo>::iterator itr= m_UniqueTargetInfo.begin();itr != m_UniqueTargetInfo.end();++itr)
2878	{
2879	if( (itr->effectMask & (1<<0)) && itr->reflectResult==SPELL_MISS_NONE && itr->targetGUID != m_caster->GetGUID())
2880	{
2881	target = ObjectAccessor::GetUnit(*m_caster, itr->targetGUID);
2882	break;
2883	}
2884	}
2885	}
2886	else if(!m_UniqueGOTargetInfo.empty())
2887	{
2888	for(std::list<GOTargetInfo>::iterator itr= m_UniqueGOTargetInfo.begin();itr != m_UniqueGOTargetInfo.end();++itr)
2889	{
2890	if(itr->effectMask & (1<<0) )
2891	{
2892	target = ObjectAccessor::GetGameObject(*m_caster, itr->targetGUID);
2893	break;
2894	}
2895	}
2896	}
2897
2898	if (m_caster->GetTypeId() == TYPEID_PLAYER)
2899	{
2900	WorldPacket data( MSG_CHANNEL_START, (8+4+4) );
2901	data.append(m_caster->GetPackGUID());
2902	data << m_spellInfo->Id;
2903	data << duration;
2904
2905	((Player*)m_caster)->GetSession()->SendPacket( &data );
2906	}
2907
2908	m_timer = duration;
2909	if(target)
2910	m_caster->SetUInt64Value(UNIT_FIELD_CHANNEL_OBJECT, target->GetGUID());
2911	m_caster->SetUInt32Value(UNIT_CHANNEL_SPELL, m_spellInfo->Id);
2912	}
2913
2914	void Spell::SendResurrectRequest(Player* target)
2915	{
2916	WorldPacket data(SMSG_RESURRECT_REQUEST, (8+4+2+4));
2917	data << m_caster->GetGUID();
2918	data << uint32(1) << uint16(0) << uint32(1);
2919
2920	target->GetSession()->SendPacket(&data);
2921	}
2922
2923	void Spell::SendPlaySpellVisual(uint32 SpellID)
2924	{
2925	if (m_caster->GetTypeId() != TYPEID_PLAYER)
2926	return;
2927
2928	WorldPacket data(SMSG_PLAY_SPELL_VISUAL, 12);
2929	data << m_caster->GetGUID();
2930	data << SpellID;
2931	((Player*)m_caster)->GetSession()->SendPacket(&data);
2932	}
2933
2934	void Spell::TakeCastItem()
2935	{
2936	if(!m_CastItem \|\| m_caster->GetTypeId() != TYPEID_PLAYER)
2937	return;
2938
2939	// not remove cast item at triggered spell (equipping, weapon damage, etc)
2940	if(m_IsTriggeredSpell)
2941	return;
2942
2943	ItemPrototype const *proto = m_CastItem->GetProto();
2944
2945	if(!proto)
2946	{
2947	// This code is to avoid a crash
2948	// I'm not sure, if this is really an error, but I guess every item needs a prototype
2949	sLog.outError("Cast item has no item prototype highId=%d, lowId=%d",m_CastItem->GetGUIDHigh(), m_CastItem->GetGUIDLow());
2950	return;
2951	}
2952
2953	bool expendable = false;
2954	bool withoutCharges = false;
2955
2956	for (int i = 0; i<5; i++)
2957	{
2958	if (proto->Spells[i].SpellId)
2959	{
2960	// item has limited charges
2961	if (proto->Spells[i].SpellCharges)
2962	{
2963	if (proto->Spells[i].SpellCharges < 0)
2964	expendable = true;
2965
2966	int32 charges = m_CastItem->GetSpellCharges(i);
2967
2968	// item has charges left
2969	if (charges)
2970	{
2971	(charges > 0) ? --charges : ++charges; // abs(charges) less at 1 after use
2972	if (proto->Stackable < 2)
2973	m_CastItem->SetSpellCharges(i, charges);
2974	m_CastItem->SetState(ITEM_CHANGED, (Player*)m_caster);
2975	}
2976
2977	// all charges used
2978	withoutCharges = (charges == 0);
2979	}
2980	}
2981	}
2982
2983	if (expendable && withoutCharges)
2984	{
2985	uint32 count = 1;
2986	((Player*)m_caster)->DestroyItemCount(m_CastItem, count, true);
2987
2988	// prevent crash at access to deleted m_targets.getItemTarget
2989	if(m_CastItem==m_targets.getItemTarget())
2990	m_targets.setItemTarget(NULL);
2991
2992	m_CastItem = NULL;
2993	}
2994	}
2995
2996	void Spell::TakePower()
2997	{
2998	if(m_CastItem \|\| m_triggeredByAuraSpell)
2999	return;
3000
3001	// health as power used
3002	if(m_spellInfo->powerType == POWER_HEALTH)
3003	{
3004	m_caster->ModifyHealth( -(int32)m_powerCost );
3005	return;
3006	}
3007
3008	if(m_spellInfo->powerType >= MAX_POWERS)
3009	{
3010	sLog.outError("Spell::TakePower: Unknown power type '%d'", m_spellInfo->powerType);
3011	return;
3012	}
3013
3014	Powers powerType = Powers(m_spellInfo->powerType);
3015
3016	m_caster->ModifyPower(powerType, -(int32)m_powerCost);
3017
3018	// Set the five second timer
3019	if (powerType == POWER_MANA && m_powerCost > 0)
3020	m_caster->SetLastManaUse(getMSTime());
3021	}
3022
3023	void Spell::TakeReagents()
3024	{
3025	if(m_IsTriggeredSpell) // reagents used in triggered spell removed by original spell or don't must be removed.
3026	return;
3027
3028	if (m_caster->GetTypeId() != TYPEID_PLAYER)
3029	return;
3030
3031	if (m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_NO_REAGENT_WHILE_PREP &&
3032	m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREPARATION))
3033	return;
3034
3035	Player* p_caster = (Player*)m_caster;
3036
3037	for(uint32 x=0;x<8;x++)
3038	{
3039	if(m_spellInfo->Reagent[x] <= 0)
3040	continue;
3041
3042	uint32 itemid = m_spellInfo->Reagent[x];
3043	uint32 itemcount = m_spellInfo->ReagentCount[x];
3044
3045	// if CastItem is also spell reagent
3046	if (m_CastItem)
3047	{
3048	ItemPrototype const *proto = m_CastItem->GetProto();
3049	if( proto && proto->ItemId == itemid )
3050	{
3051	for(int s=0;s<5;s++)
3052	{
3053	// CastItem will be used up and does not count as reagent
3054	int32 charges = m_CastItem->GetSpellCharges(s);
3055	if (proto->Spells[s].SpellCharges < 0 && abs(charges) < 2)
3056	{
3057	++itemcount;
3058	break;
3059	}
3060	}
3061
3062	m_CastItem = NULL;
3063	}
3064	}
3065
3066	// if getItemTarget is also spell reagent
3067	if (m_targets.getItemTargetEntry()==itemid)
3068	m_targets.setItemTarget(NULL);
3069
3070	p_caster->DestroyItemCount(itemid, itemcount, true);
3071	}
3072	}
3073
3074	void Spell::HandleThreatSpells(uint32 spellId)
3075	{
3076	if(!m_targets.getUnitTarget() \|\| !spellId)
3077	return;
3078
3079	if(!m_targets.getUnitTarget()->CanHaveThreatList())
3080	return;
3081
3082	SpellThreatEntry const *threatSpell = sSpellThreatStore.LookupEntry<SpellThreatEntry>(spellId);
3083	if(!threatSpell)
3084	return;
3085
3086	m_targets.getUnitTarget()->AddThreat(m_caster, float(threatSpell->threat));
3087
3088	DEBUG_LOG("Spell %u, rank %u, added an additional %i threat", spellId, spellmgr.GetSpellRank(spellId), threatSpell->threat);
3089	}
3090
3091	void Spell::HandleEffects(Unit pUnitTarget,Item pItemTarget,GameObject *pGOTarget,uint32 i, float DamageMultiplier)
3092	{
3093	unitTarget = pUnitTarget;
3094	itemTarget = pItemTarget;
3095	gameObjTarget = pGOTarget;
3096
3097	uint8 eff = m_spellInfo->Effect[i];
3098	uint32 mechanic = m_spellInfo->EffectMechanic[i];
3099
3100	damage = int32(CalculateDamage((uint8)i,unitTarget)*DamageMultiplier);
3101
3102	sLog.outDebug( "Spell: Effect : %u", eff);
3103
3104	//Simply return. Do not display "immune" in red text on client
3105	if(unitTarget && unitTarget->IsImmunedToSpellEffect(eff, mechanic))
3106	return;
3107
3108	if(eff<TOTAL_SPELL_EFFECTS)
3109	{
3110	//sLog.outDebug( "WORLD: Spell FX %d < TOTAL_SPELL_EFFECTS ", eff);
3111	(this.SpellEffects[eff])(i);
3112	}
3113	/*
3114	else
3115	{
3116	sLog.outDebug( "WORLD: Spell FX %d > TOTAL_SPELL_EFFECTS ", eff);
3117	if (m_CastItem)
3118	EffectEnchantItemTmp(i);
3119	else
3120	{
3121	sLog.outError("SPELL: unknown effect %u spell id %u\n",
3122	eff, m_spellInfo->Id);
3123	}
3124	}
3125	*/
3126	}
3127
3128	void Spell::TriggerSpell()
3129	{
3130	for(TriggerSpells::iterator si=m_TriggerSpells.begin(); si!=m_TriggerSpells.end(); ++si)
3131	{
3132	Spell* spell = new Spell(m_caster, (*si), true, m_originalCasterGUID, this->m_selfContainer);
3133	spell->prepare(&m_targets); // use original spell original targets
3134	}
3135	}
3136
3137	uint8 Spell::CanCast(bool strict)
3138	{
3139	// check cooldowns to prevent cheating
3140	if(m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->HasSpellCooldown(m_spellInfo->Id))
3141	{
3142	if(m_triggeredByAuraSpell)
3143	return SPELL_FAILED_DONT_REPORT;
3144	else
3145	return SPELL_FAILED_NOT_READY;
3146	}
3147
3148	// only allow triggered spells if at an ended battleground
3149	if( !m_IsTriggeredSpell && m_caster->GetTypeId() == TYPEID_PLAYER)
3150	if(BattleGround * bg = ((Player*)m_caster)->GetBattleGround())
3151	if(bg->GetStatus() == STATUS_WAIT_LEAVE)
3152	return SPELL_FAILED_DONT_REPORT;
3153
3154	// only check at first call, Stealth auras are already removed at second call
3155	// for now, ignore triggered spells
3156	if( strict && !m_IsTriggeredSpell)
3157	{
3158	// Cannot be used in this stance/form
3159	if(uint8 shapeError = GetErrorAtShapeshiftedCast(m_spellInfo, m_caster->m_form))
3160	return shapeError;
3161
3162	if ((m_spellInfo->Attributes & SPELL_ATTR_ONLY_STEALTHED) && !(m_caster->HasStealthAura()))
3163	return SPELL_FAILED_ONLY_STEALTHED;
3164	}
3165
3166	// caster state requirements
3167	if(m_spellInfo->CasterAuraState && !m_caster->HasAuraState(AuraState(m_spellInfo->CasterAuraState)))
3168	return SPELL_FAILED_CASTER_AURASTATE;
3169	if(m_spellInfo->CasterAuraStateNot && m_caster->HasAuraState(AuraState(m_spellInfo->CasterAuraStateNot)))
3170	return SPELL_FAILED_CASTER_AURASTATE;
3171
3172	// cancel autorepeat spells if cast start when moving
3173	// (not wand currently autorepeat cast delayed to moving stop anyway in spell update code)
3174	if( m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->isMoving() )
3175	{
3176	// skip stuck spell to allow use it in falling case and apply spell limitations at movement
3177	if( (!m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING) \|\| m_spellInfo->Effect[0] != SPELL_EFFECT_STUCK) &&
3178	(IsAutoRepeat() \|\| (m_spellInfo->AuraInterruptFlags & AURA_INTERRUPT_FLAG_NOT_SEATED) != 0) )
3179	return SPELL_FAILED_MOVING;
3180	}
3181
3182	Unit *target = m_targets.getUnitTarget();
3183
3184	if(target)
3185	{
3186	// target state requirements (not allowed state), apply to self also
3187	if(m_spellInfo->TargetAuraStateNot && target->HasAuraState(AuraState(m_spellInfo->TargetAuraStateNot)))
3188	return SPELL_FAILED_TARGET_AURASTATE;
3189
3190
3191	if(target != m_caster)
3192	{
3193	// target state requirements (apply to non-self only), to allow cast affects to self like Dirty Deeds
3194	if(m_spellInfo->TargetAuraState && !target->HasAuraState(AuraState(m_spellInfo->TargetAuraState)))
3195	return SPELL_FAILED_TARGET_AURASTATE;
3196
3197	// Not allow casting on flying player
3198	if (target->isInFlight())
3199	return SPELL_FAILED_BAD_TARGETS;
3200
3201	if(VMAP::VMapFactory::checkSpellForLoS(m_spellInfo->Id) && !m_caster->IsWithinLOSInMap(target))
3202	return SPELL_FAILED_LINE_OF_SIGHT;
3203
3204	// auto selection spell rank implemented in WorldSession::HandleCastSpellOpcode
3205	// this case can be triggered if rank not found (too low-level target for first rank)
3206	if(m_caster->GetTypeId() == TYPEID_PLAYER && !IsPassiveSpell(m_spellInfo->Id) && !m_CastItem)
3207	{
3208	for(int i=0;i<3;i++)
3209	{
3210	if(IsPositiveEffect(m_spellInfo->Id, i) && m_spellInfo->Effect[i] == SPELL_EFFECT_APPLY_AURA)
3211	if(target->getLevel() + 10 < m_spellInfo->spellLevel)
3212	return SPELL_FAILED_LOWLEVEL;
3213	}
3214	}
3215	}
3216
3217	// check pet presents
3218	for(int j=0;j<3;j++)
3219	{
3220	if(m_spellInfo->EffectImplicitTargetA[j] == TARGET_PET)
3221	{
3222	target = m_caster->GetPet();
3223	if(!target)
3224	{
3225	if(m_triggeredByAuraSpell) // not report pet not existence for triggered spells
3226	return SPELL_FAILED_DONT_REPORT;
3227	else
3228	return SPELL_FAILED_NO_PET;
3229	}
3230	break;
3231	}
3232	}
3233
3234	//check creature type
3235	//ignore self casts (including area casts when caster selected as target)
3236	if(target != m_caster)
3237	{
3238	if(!CheckTargetCreatureType(target))
3239	{
3240	if(target->GetTypeId()==TYPEID_PLAYER)
3241	return SPELL_FAILED_TARGET_IS_PLAYER;
3242	else
3243	return SPELL_FAILED_BAD_TARGETS;
3244	}
3245	}
3246
3247	// TODO: this check can be applied and for player to prevent cheating when IsPositiveSpell will return always correct result.
3248	// check target for pet/charmed casts (not self targeted), self targeted cast used for area effects and etc
3249	if(m_caster != target && m_caster->GetTypeId()==TYPEID_UNIT && m_caster->GetCharmerOrOwnerGUID())
3250	{
3251	// check correctness positive/negative cast target (pet cast real check and cheating check)
3252	if(IsPositiveSpell(m_spellInfo->Id))
3253	{
3254	if(m_caster->IsHostileTo(target))
3255	return SPELL_FAILED_BAD_TARGETS;
3256	}
3257	else
3258	{
3259	if(m_caster->IsFriendlyTo(target))
3260	return SPELL_FAILED_BAD_TARGETS;
3261	}
3262	}
3263
3264	if(IsPositiveSpell(m_spellInfo->Id))
3265	{
3266	if(target->IsImmunedToSpell(m_spellInfo,false))
3267	return SPELL_FAILED_TARGET_AURASTATE;
3268	}
3269
3270	//Must be behind the target.
3271	if( m_spellInfo->AttributesEx2 == 0x100000 && (m_spellInfo->AttributesEx & 0x200) == 0x200 && target->HasInArc(M_PI, m_caster) )
3272	{
3273	SendInterrupted(2);
3274	return SPELL_FAILED_NOT_BEHIND;
3275	}
3276
3277	//Target must be facing you.
3278	if((m_spellInfo->Attributes == 0x150010) && !target->HasInArc(M_PI, m_caster) )
3279	{
3280	SendInterrupted(2);
3281	return SPELL_FAILED_NOT_INFRONT;
3282	}
3283
3284	// check if target is in combat
3285	if (target != m_caster && (m_spellInfo->AttributesEx & SPELL_ATTR_EX_NOT_IN_COMBAT_TARGET) && target->isInCombat())
3286	{
3287	return SPELL_FAILED_TARGET_AFFECTING_COMBAT;
3288	}
3289	}
3290	// Spell casted only on battleground
3291	if((m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_BATTLEGROUND) && m_caster->GetTypeId()==TYPEID_PLAYER)
3292	if(!((Player*)m_caster)->InBattleGround())
3293	return SPELL_FAILED_ONLY_BATTLEGROUNDS;
3294
3295	// do not allow spells to be cast in arenas
3296	// - with greater than 15 min CD without SPELL_ATTR_EX4_USABLE_IN_ARENA flag
3297	// - with SPELL_ATTR_EX4_NOT_USABLE_IN_ARENA flag
3298	if( (m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_NOT_USABLE_IN_ARENA) \|\|
3299	GetSpellRecoveryTime(m_spellInfo) > 15 * MINUTE * 1000 && !(m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_USABLE_IN_ARENA) )
3300	if(MapEntry const* mapEntry = sMapStore.LookupEntry(m_caster->GetMapId()))
3301	if(mapEntry->IsBattleArena())
3302	return SPELL_FAILED_NOT_IN_ARENA;
3303
3304	// zone check
3305	if(!IsSpellAllowedInLocation(m_spellInfo,m_caster->GetMapId(),m_caster->GetZoneId(),m_caster->GetAreaId()))
3306	return SPELL_FAILED_REQUIRES_AREA;
3307
3308	// not let players cast spells at mount (and let do it to creatures)
3309	if( m_caster->IsMounted() && m_caster->GetTypeId()==TYPEID_PLAYER && !m_IsTriggeredSpell &&
3310	!IsPassiveSpell(m_spellInfo->Id) && !(m_spellInfo->Attributes & SPELL_ATTR_CASTABLE_WHILE_MOUNTED) )
3311	{
3312	if(m_caster->isInFlight())
3313	return SPELL_FAILED_NOT_FLYING;
3314	else
3315	return SPELL_FAILED_NOT_MOUNTED;
3316	}
3317
3318	// always (except passive spells) check items (focus object can be required for any type casts)
3319	if(!IsPassiveSpell(m_spellInfo->Id))
3320	if(uint8 castResult = CheckItems())
3321	return castResult;
3322
3323	//ImpliciteTargetA-B = 38, If fact there is 0 Spell with ImpliciteTargetB=38
3324	if(m_UniqueTargetInfo.empty()) // skip second canCast apply (for delayed spells for example)
3325	{
3326	for(uint8 j = 0; j < 3; j++)
3327	{
3328	if( m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT \|\|
3329	m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT && m_spellInfo->EffectImplicitTargetA[j] != TARGET_SELF \|\|
3330	m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES \|\|
3331	m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT_COORDINATES )
3332	{
3333	bool okDoo = false;
3334
3335	SpellScriptTarget::const_iterator lower = spellmgr.GetBeginSpellScriptTarget(m_spellInfo->Id);
3336	SpellScriptTarget::const_iterator upper = spellmgr.GetEndSpellScriptTarget(m_spellInfo->Id);
3337	if(lower==upper)
3338	sLog.outErrorDb("Spell (ID: %u) has effect EffectImplicitTargetA/EffectImplicitTargetB = TARGET_SCRIPT or TARGET_SCRIPT_COORDINATES, but does not have record in `spell_script_target`",m_spellInfo->Id);
3339
3340	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
3341	float range = GetSpellMaxRange(srange);
3342
3343	Creature* creatureScriptTarget = NULL;
3344	GameObject* goScriptTarget = NULL;
3345
3346	for(SpellScriptTarget::const_iterator i_spellST = lower; i_spellST != upper; ++i_spellST)
3347	{
3348	switch(i_spellST->second.type)
3349	{
3350	case SPELL_TARGET_TYPE_GAMEOBJECT:
3351	{
3352	GameObject* p_GameObject = NULL;
3353
3354	if(i_spellST->second.targetEntry)
3355	{
3356	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
3357	Cell cell(p);
3358	cell.data.Part.reserved = ALL_DISTRICT;
3359
3360	MaNGOS::NearestGameObjectEntryInObjectRangeCheck go_check(*m_caster,i_spellST->second.targetEntry,range);
3361	MaNGOS::GameObjectLastSearcher<MaNGOS::NearestGameObjectEntryInObjectRangeCheck> checker(p_GameObject,go_check);
3362
3363	TypeContainerVisitor<MaNGOS::GameObjectLastSearcher<MaNGOS::NearestGameObjectEntryInObjectRangeCheck>, GridTypeMapContainer > object_checker(checker);
3364	CellLock<GridReadGuard> cell_lock(cell, p);
3365	cell_lock->Visit(cell_lock, object_checker, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
3366
3367	if(p_GameObject)
3368	{
3369	// remember found target and range, next attempt will find more near target with another entry
3370	creatureScriptTarget = NULL;
3371	goScriptTarget = p_GameObject;
3372	range = go_check.GetLastRange();
3373	}
3374	}
3375	else if( focusObject ) //Focus Object
3376	{
3377	float frange = m_caster->GetDistance(focusObject);
3378	if(range >= frange)
3379	{
3380	creatureScriptTarget = NULL;
3381	goScriptTarget = focusObject;
3382	range = frange;
3383	}
3384	}
3385	break;
3386	}
3387	case SPELL_TARGET_TYPE_CREATURE:
3388	case SPELL_TARGET_TYPE_DEAD:
3389	default:
3390	{
3391	Creature *p_Creature = NULL;
3392
3393	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
3394	Cell cell(p);
3395	cell.data.Part.reserved = ALL_DISTRICT;
3396	cell.SetNoCreate(); // Really don't know what is that???
3397
3398	MaNGOS::NearestCreatureEntryWithLiveStateInObjectRangeCheck u_check(*m_caster,i_spellST->second.targetEntry,i_spellST->second.type!=SPELL_TARGET_TYPE_DEAD,range);
3399	MaNGOS::CreatureLastSearcher<MaNGOS::NearestCreatureEntryWithLiveStateInObjectRangeCheck> searcher(p_Creature, u_check);
3400
3401	TypeContainerVisitor<MaNGOS::CreatureLastSearcher<MaNGOS::NearestCreatureEntryWithLiveStateInObjectRangeCheck>, GridTypeMapContainer > grid_creature_searcher(searcher);
3402
3403	CellLock<GridReadGuard> cell_lock(cell, p);
3404	cell_lock->Visit(cell_lock, grid_creature_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
3405
3406	if(p_Creature )
3407	{
3408	creatureScriptTarget = p_Creature;
3409	goScriptTarget = NULL;
3410	range = u_check.GetLastRange();
3411	}
3412	break;
3413	}
3414	}
3415	}
3416
3417	if(creatureScriptTarget)
3418	{
3419	// store coordinates for TARGET_SCRIPT_COORDINATES
3420	if (m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES \|\|
3421	m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT_COORDINATES )
3422	{
3423	m_targets.setDestination(creatureScriptTarget->GetPositionX(),creatureScriptTarget->GetPositionY(),creatureScriptTarget->GetPositionZ());
3424
3425	if(m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES && m_spellInfo->EffectImplicitTargetB[j] == 0 && m_spellInfo->Effect[j]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
3426	AddUnitTarget(creatureScriptTarget, j);
3427	}
3428	// store explicit target for TARGET_SCRIPT
3429	else
3430	AddUnitTarget(creatureScriptTarget, j);
3431	}
3432	else if(goScriptTarget)
3433	{
3434	// store coordinates for TARGET_SCRIPT_COORDINATES
3435	if (m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES \|\|
3436	m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT_COORDINATES )
3437	{
3438	m_targets.setDestination(goScriptTarget->GetPositionX(),goScriptTarget->GetPositionY(),goScriptTarget->GetPositionZ());
3439
3440	if(m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES && m_spellInfo->EffectImplicitTargetB[j] == 0 && m_spellInfo->Effect[j]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
3441	AddGOTarget(goScriptTarget, j);
3442	}
3443	// store explicit target for TARGET_SCRIPT
3444	else
3445	AddGOTarget(goScriptTarget, j);
3446	}
3447	//Missing DB Entry or targets for this spellEffect.
3448	else
3449	{
3450	// not report target not existence for triggered spells
3451	if(m_triggeredByAuraSpell \|\| m_IsTriggeredSpell)
3452	return SPELL_FAILED_DONT_REPORT;
3453	else
3454	return SPELL_FAILED_BAD_TARGETS;
3455	}
3456	}
3457	}
3458	}
3459
3460	if(uint8 castResult = CheckRange(strict))
3461	return castResult;
3462
3463	{
3464	if(uint8 castResult = CheckPower())
3465	return castResult;
3466	}
3467
3468	if(!m_triggeredByAuraSpell) // triggered spell not affected by stun/etc
3469	if(uint8 castResult = CheckCasterAuras())
3470	return castResult;
3471
3472	for (int i = 0; i < 3; i++)
3473	{
3474	// for effects of spells that have only one target
3475	switch(m_spellInfo->Effect[i])
3476	{
3477	case SPELL_EFFECT_DUMMY:
3478	{
3479	// Execute
3480	if(m_spellInfo->SpellIconID == 1648)
3481	{
3482	if(!m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetHealth() > m_targets.getUnitTarget()->GetMaxHealth()*0.2)
3483	return SPELL_FAILED_BAD_TARGETS;
3484	}
3485	else if (m_spellInfo->Id == 51582)
3486	{
3487	if(m_caster->IsInWater())
3488	return SPELL_FAILED_ONLY_ABOVEWATER;
3489	}
3490	break;
3491	}
3492	case SPELL_EFFECT_SCHOOL_DAMAGE:
3493	{
3494	// Hammer of Wrath
3495	if(m_spellInfo->SpellVisual == 7250)
3496	{
3497	if (!m_targets.getUnitTarget())
3498	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3499
3500	if(m_targets.getUnitTarget()->GetHealth() > m_targets.getUnitTarget()->GetMaxHealth()*0.2)
3501	return SPELL_FAILED_BAD_TARGETS;
3502	}
3503	break;
3504	}
3505	case SPELL_EFFECT_TAMECREATURE:
3506	{
3507	if (!m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetTypeId() == TYPEID_PLAYER)
3508	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3509
3510	if (m_targets.getUnitTarget()->getLevel() > m_caster->getLevel())
3511	return SPELL_FAILED_HIGHLEVEL;
3512
3513	CreatureInfo const cinfo = ((Creature)m_targets.getUnitTarget())->GetCreatureInfo();
3514	if( cinfo->type != CREATURE_TYPE_BEAST )
3515	return SPELL_FAILED_BAD_TARGETS;
3516
3517	// use SMSG_PET_TAME_FAILURE?
3518	if( !(cinfo->flag1 & 1) \|\| !(cinfo->family) )
3519	return SPELL_FAILED_BAD_TARGETS;
3520
3521	if(m_caster->GetPetGUID())
3522	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3523
3524	if(m_caster->GetCharmGUID())
3525	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3526
3527	break;
3528	}
3529	case SPELL_EFFECT_LEARN_SPELL:
3530	{
3531	if(m_spellInfo->EffectImplicitTargetA[i] != TARGET_PET)
3532	break;
3533
3534	Pet* pet = m_caster->GetPet();
3535
3536	if(!pet)
3537	return SPELL_FAILED_NO_PET;
3538
3539	SpellEntry const *learn_spellproto = sSpellStore.LookupEntry(m_spellInfo->EffectTriggerSpell[i]);
3540
3541	if(!learn_spellproto)
3542	return SPELL_FAILED_NOT_KNOWN;
3543
3544	if(!pet->CanTakeMoreActiveSpells(learn_spellproto->Id))
3545	return SPELL_FAILED_TOO_MANY_SKILLS;
3546
3547	if(m_spellInfo->spellLevel > pet->getLevel())
3548	return SPELL_FAILED_LOWLEVEL;
3549
3550	if(!pet->HasTPForSpell(learn_spellproto->Id))
3551	return SPELL_FAILED_TRAINING_POINTS;
3552
3553	break;
3554	}
3555	case SPELL_EFFECT_LEARN_PET_SPELL:
3556	{
3557	Pet* pet = m_caster->GetPet();
3558
3559	if(!pet)
3560	return SPELL_FAILED_NO_PET;
3561
3562	SpellEntry const *learn_spellproto = sSpellStore.LookupEntry(m_spellInfo->EffectTriggerSpell[i]);
3563
3564	if(!learn_spellproto)
3565	return SPELL_FAILED_NOT_KNOWN;
3566
3567	if(!pet->CanTakeMoreActiveSpells(learn_spellproto->Id))
3568	return SPELL_FAILED_TOO_MANY_SKILLS;
3569
3570	if(m_spellInfo->spellLevel > pet->getLevel())
3571	return SPELL_FAILED_LOWLEVEL;
3572
3573	if(!pet->HasTPForSpell(learn_spellproto->Id))
3574	return SPELL_FAILED_TRAINING_POINTS;
3575
3576	break;
3577	}
3578	case SPELL_EFFECT_FEED_PET:
3579	{
3580	if (m_caster->GetTypeId() != TYPEID_PLAYER \|\| !m_targets.getItemTarget() )
3581	return SPELL_FAILED_BAD_TARGETS;
3582
3583	Pet* pet = m_caster->GetPet();
3584
3585	if(!pet)
3586	return SPELL_FAILED_NO_PET;
3587
3588	if(!pet->HaveInDiet(m_targets.getItemTarget()->GetProto()))
3589	return SPELL_FAILED_WRONG_PET_FOOD;
3590
3591	if(!pet->GetCurrentFoodBenefitLevel(m_targets.getItemTarget()->GetProto()->ItemLevel))
3592	return SPELL_FAILED_FOOD_LOWLEVEL;
3593
3594	if(m_caster->isInCombat() \|\| pet->isInCombat())
3595	return SPELL_FAILED_AFFECTING_COMBAT;
3596
3597	break;
3598	}
3599	case SPELL_EFFECT_POWER_BURN:
3600	case SPELL_EFFECT_POWER_DRAIN:
3601	{
3602	// Can be area effect, Check only for players and not check if target - caster (spell can have multiply drain/burn effects)
3603	if(m_caster->GetTypeId() == TYPEID_PLAYER)
3604	if(Unit* target = m_targets.getUnitTarget())
3605	if(target!=m_caster && target->getPowerType()!=m_spellInfo->EffectMiscValue[i])
3606	return SPELL_FAILED_BAD_TARGETS;
3607	break;
3608	}
3609	case SPELL_EFFECT_CHARGE:
3610	{
3611	if (m_caster->hasUnitState(UNIT_STAT_ROOT))
3612	return SPELL_FAILED_ROOTED;
3613
3614	break;
3615	}
3616	case SPELL_EFFECT_SKINNING:
3617	{
3618	if (m_caster->GetTypeId() != TYPEID_PLAYER \|\| !m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetTypeId() != TYPEID_UNIT)
3619	return SPELL_FAILED_BAD_TARGETS;
3620
3621	if( !(m_targets.getUnitTarget()->GetUInt32Value(UNIT_FIELD_FLAGS) & UNIT_FLAG_SKINNABLE) )
3622	return SPELL_FAILED_TARGET_UNSKINNABLE;
3623
3624	Creature* creature = (Creature*)m_targets.getUnitTarget();
3625	if ( creature->GetCreatureType() != CREATURE_TYPE_CRITTER && ( !creature->lootForBody \|\| !creature->loot.empty() ) )
3626	{
3627	return SPELL_FAILED_TARGET_NOT_LOOTED;
3628	}
3629
3630	uint32 skill;
3631	if(creature->GetCreatureInfo()->flag1 & 256)
3632	skill = SKILL_HERBALISM; // special case
3633	else if(creature->GetCreatureInfo()->flag1 & 512)
3634	skill = SKILL_MINING; // special case
3635	else
3636	skill = SKILL_SKINNING; // normal case
3637
3638	int32 skillValue = ((Player*)m_caster)->GetSkillValue(skill);
3639	int32 TargetLevel = m_targets.getUnitTarget()->getLevel();
3640	int32 ReqValue = (skillValue < 100 ? (TargetLevel-10)10 : TargetLevel5);
3641	if (ReqValue > skillValue)
3642	return SPELL_FAILED_LOW_CASTLEVEL;
3643
3644	// chance for fail at orange skinning attempt
3645	if( (m_selfContainer && (*m_selfContainer) == this) &&
3646	skillValue < sWorld.GetConfigMaxSkillValue() &&
3647	(ReqValue < 0 ? 0 : ReqValue) > irand(skillValue-25, skillValue+37) )
3648	return SPELL_FAILED_TRY_AGAIN;
3649
3650	break;
3651	}
3652	case SPELL_EFFECT_OPEN_LOCK_ITEM:
3653	case SPELL_EFFECT_OPEN_LOCK:
3654	{
3655	if( m_spellInfo->EffectImplicitTargetA[i] != TARGET_GAMEOBJECT &&
3656	m_spellInfo->EffectImplicitTargetA[i] != TARGET_GAMEOBJECT_ITEM )
3657	break;
3658
3659	if( m_caster->GetTypeId() != TYPEID_PLAYER // only players can open locks, gather etc.
3660	// we need a go target in case of TARGET_GAMEOBJECT
3661	\|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_GAMEOBJECT && !m_targets.getGOTarget()
3662	// we need a go target, or an openable item target in case of TARGET_GAMEOBJECT_ITEM
3663	\|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_GAMEOBJECT_ITEM && !m_targets.getGOTarget() &&
3664	(!m_targets.getItemTarget() \|\| !m_targets.getItemTarget()->GetProto()->LockID \|\| m_targets.getItemTarget()->GetOwner() != m_caster ) )
3665	return SPELL_FAILED_BAD_TARGETS;
3666
3667	// get the lock entry
3668	LockEntry const *lockInfo = NULL;
3669	if (GameObject* go=m_targets.getGOTarget())
3670	lockInfo = sLockStore.LookupEntry(go->GetLockId());
3671	else if(Item* itm=m_targets.getItemTarget())
3672	lockInfo = sLockStore.LookupEntry(itm->GetProto()->LockID);
3673
3674	// check lock compatibility
3675	if (lockInfo)
3676	{
3677	// check for lock - key pair (checked by client also, just prevent cheating
3678	bool ok_key = false;
3679	for(int it = 0; it < 5; ++it)
3680	{
3681	switch(lockInfo->keytype[it])
3682	{
3683	case LOCK_KEY_NONE:
3684	break;
3685	case LOCK_KEY_ITEM:
3686	{
3687	if(lockInfo->key[it])
3688	{
3689	if(m_CastItem && m_CastItem->GetEntry()==lockInfo->key[it])
3690	ok_key =true;
3691	break;
3692	}
3693	}
3694	case LOCK_KEY_SKILL:
3695	{
3696	if(uint32(m_spellInfo->EffectMiscValue[i])!=lockInfo->key[it])
3697	break;
3698
3699	switch(lockInfo->key[it])
3700	{
3701	case LOCKTYPE_HERBALISM:
3702	if(((Player*)m_caster)->HasSkill(SKILL_HERBALISM))
3703	ok_key =true;
3704	break;
3705	case LOCKTYPE_MINING:
3706	if(((Player*)m_caster)->HasSkill(SKILL_MINING))
3707	ok_key =true;
3708	break;
3709	default:
3710	ok_key =true;
3711	break;
3712	}
3713	}
3714	}
3715	if(ok_key)
3716	break;
3717	}
3718
3719	if(!ok_key)
3720	return SPELL_FAILED_BAD_TARGETS;
3721	}
3722
3723	// chance for fail at orange mining/herb/LockPicking gathering attempt
3724	if (!m_selfContainer \|\| ((*m_selfContainer) != this))
3725	break;
3726
3727	// get the skill value of the player
3728	int32 SkillValue = 0;
3729	bool canFailAtMax = true;
3730	if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_HERBALISM)
3731	{
3732	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_HERBALISM);
3733	canFailAtMax = false;
3734	}
3735	else if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_MINING)
3736	{
3737	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_MINING);
3738	canFailAtMax = false;
3739	}
3740	else if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_PICKLOCK)
3741	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_LOCKPICKING);
3742
3743	// castitem check: rogue using skeleton keys. the skill values should not be added in this case.
3744	if(m_CastItem)
3745	SkillValue = 0;
3746
3747	// add the damage modifier from the spell casted (cheat lock / skeleton key etc.) (use m_currentBasePoints, CalculateDamage returns wrong value)
3748	SkillValue += m_currentBasePoints[i]+1;
3749
3750	// get the required lock value
3751	int32 ReqValue=0;
3752	if (lockInfo)
3753	{
3754	// check for lock - key pair
3755	bool ok = false;
3756	for(int it = 0; it < 5; ++it)
3757	{
3758	if(lockInfo->keytype[it]==LOCK_KEY_ITEM && lockInfo->key[it] && m_CastItem && m_CastItem->GetEntry()==lockInfo->key[it])
3759	{
3760	// if so, we're good to go
3761	ok = true;
3762	break;
3763	}
3764	}
3765	if(ok)
3766	break;
3767
3768	if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_PICKLOCK)
3769	ReqValue = lockInfo->requiredlockskill;
3770	else
3771	ReqValue = lockInfo->requiredminingskill;
3772	}
3773
3774	// skill doesn't meet the required value
3775	if (ReqValue > SkillValue)
3776	return SPELL_FAILED_LOW_CASTLEVEL;
3777
3778	// chance for failure in orange gather / lockpick (gathering skill can't fail at maxskill)
3779	if((canFailAtMax \|\| SkillValue < sWorld.GetConfigMaxSkillValue()) && ReqValue > irand(SkillValue-25, SkillValue+37))
3780	return SPELL_FAILED_TRY_AGAIN;
3781
3782	break;
3783	}
3784	case SPELL_EFFECT_SUMMON_DEAD_PET:
3785	{
3786	Creature *pet = m_caster->GetPet();
3787	if(!pet)
3788	return SPELL_FAILED_NO_PET;
3789
3790	if(pet->isAlive())
3791	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3792
3793	break;
3794	}
3795	// This is generic summon effect now and don't make this check for summon types similar
3796	// SPELL_EFFECT_SUMMON_CRITTER, SPELL_EFFECT_SUMMON_WILD or SPELL_EFFECT_SUMMON_GUARDIAN.
3797	// These won't show up in m_caster->GetPetGUID()
3798	case SPELL_EFFECT_SUMMON:
3799	{
3800	switch(m_spellInfo->EffectMiscValueB[i])
3801	{
3802	case SUMMON_TYPE_POSESSED:
3803	case SUMMON_TYPE_POSESSED2:
3804	case SUMMON_TYPE_DEMON:
3805	case SUMMON_TYPE_SUMMON:
3806	{
3807	if(m_caster->GetPetGUID())
3808	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3809
3810	if(m_caster->GetCharmGUID())
3811	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3812	break;
3813	}
3814	}
3815	break;
3816	}
3817	// Don't make this check for SPELL_EFFECT_SUMMON_CRITTER, SPELL_EFFECT_SUMMON_WILD or SPELL_EFFECT_SUMMON_GUARDIAN.
3818	// These won't show up in m_caster->GetPetGUID()
3819	case SPELL_EFFECT_SUMMON_POSSESSED:
3820	case SPELL_EFFECT_SUMMON_PHANTASM:
3821	case SPELL_EFFECT_SUMMON_DEMON:
3822	{
3823	if(m_caster->GetPetGUID())
3824	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3825
3826	if(m_caster->GetCharmGUID())
3827	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3828
3829	break;
3830	}
3831	case SPELL_EFFECT_SUMMON_PET:
3832	{
3833	if(m_caster->GetPetGUID()) //let warlock do a replacement summon
3834	{
3835
3836	Pet* pet = ((Player*)m_caster)->GetPet();
3837
3838	if (m_caster->GetTypeId()==TYPEID_PLAYER && m_caster->getClass()==CLASS_WARLOCK)
3839	{
3840	if (strict) //starting cast, trigger pet stun (cast by pet so it doesn't attack player)
3841	pet->CastSpell(pet, 32752, true, NULL, NULL, pet->GetGUID());
3842	}
3843	else
3844	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3845	}
3846
3847	if(m_caster->GetCharmGUID())
3848	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3849
3850	break;
3851	}
3852	case SPELL_EFFECT_SUMMON_PLAYER:
3853	{
3854	if(m_caster->GetTypeId()!=TYPEID_PLAYER)
3855	return SPELL_FAILED_BAD_TARGETS;
3856	if(!((Player*)m_caster)->GetSelection())
3857	return SPELL_FAILED_BAD_TARGETS;
3858
3859	Player* target = objmgr.GetPlayer(((Player*)m_caster)->GetSelection());
3860	if( !target \|\| ((Player)m_caster)==target \|\| !target->IsInSameRaidWith((Player)m_caster) )
3861	return SPELL_FAILED_BAD_TARGETS;
3862
3863	// check if our map is dungeon
3864	if( sMapStore.LookupEntry(m_caster->GetMapId())->IsDungeon() )
3865	{
3866	InstanceTemplate const* instance = ObjectMgr::GetInstanceTemplate(m_caster->GetMapId());
3867	if(!instance)
3868	return SPELL_FAILED_TARGET_NOT_IN_INSTANCE;
3869	if ( instance->levelMin > target->getLevel() )
3870	return SPELL_FAILED_LOWLEVEL;
3871	if ( instance->levelMax && instance->levelMax < target->getLevel() )
3872	return SPELL_FAILED_HIGHLEVEL;
3873	}
3874	break;
3875	}
3876	case SPELL_EFFECT_LEAP:
3877	case SPELL_EFFECT_TELEPORT_UNITS_FACE_CASTER:
3878	{
3879	float dis = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
3880	float fx = m_caster->GetPositionX() + dis * cos(m_caster->GetOrientation());
3881	float fy = m_caster->GetPositionY() + dis * sin(m_caster->GetOrientation());
3882	// teleport a bit above terrain level to avoid falling below it
3883	float fz = MapManager::Instance().GetBaseMap(m_caster->GetMapId())->GetHeight(fx,fy,m_caster->GetPositionZ(),true);
3884	if(fz <= INVALID_HEIGHT) // note: this also will prevent use effect in instances without vmaps height enabled
3885	return SPELL_FAILED_TRY_AGAIN;
3886
3887	float caster_pos_z = m_caster->GetPositionZ();
3888	// Control the caster to not climb or drop when +-fz > 8
3889	if(!(fz<=caster_pos_z+8 && fz>=caster_pos_z-8))
3890	return SPELL_FAILED_TRY_AGAIN;
3891
3892	// not allow use this effect at battleground until battleground start
3893	if(m_caster->GetTypeId()==TYPEID_PLAYER)
3894	if(BattleGround const bg = ((Player)m_caster)->GetBattleGround())
3895	if(bg->GetStatus() != STATUS_IN_PROGRESS)
3896	return SPELL_FAILED_TRY_AGAIN;
3897	break;
3898	}
3899	case SPELL_EFFECT_STEAL_BENEFICIAL_BUFF:
3900	{
3901	if (m_targets.getUnitTarget()==m_caster)
3902	return SPELL_FAILED_BAD_TARGETS;
3903	break;
3904	}
3905	default:break;
3906	}
3907	}
3908
3909	for (int i = 0; i < 3; i++)
3910	{
3911	switch(m_spellInfo->EffectApplyAuraName[i])
3912	{
3913	case SPELL_AURA_MOD_POSSESS:
3914	case SPELL_AURA_MOD_CHARM:
3915	{
3916	if(m_caster->GetPetGUID())
3917	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3918
3919	if(m_caster->GetCharmGUID())
3920	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3921
3922	if(m_caster->GetCharmerGUID())
3923	return SPELL_FAILED_CHARMED;
3924
3925	if(!m_targets.getUnitTarget())
3926	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3927
3928	if(m_targets.getUnitTarget()->GetCharmerGUID())
3929	return SPELL_FAILED_CHARMED;
3930
3931	if(int32(m_targets.getUnitTarget()->getLevel()) > CalculateDamage(i,m_targets.getUnitTarget()))
3932	return SPELL_FAILED_HIGHLEVEL;
3933	};break;
3934	case SPELL_AURA_MOUNTED:
3935	{
3936	if (m_caster->IsInWater())
3937	return SPELL_FAILED_ONLY_ABOVEWATER;
3938
3939	if (m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->GetTransport())
3940	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
3941
3942	// Ignore map check if spell have AreaId. AreaId already checked and this prevent special mount spells
3943	if (m_caster->GetTypeId()==TYPEID_PLAYER && !sMapStore.LookupEntry(m_caster->GetMapId())->IsMountAllowed() && !m_IsTriggeredSpell && !m_spellInfo->AreaId)
3944	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
3945
3946	if (m_caster->GetAreaId()==35)
3947	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
3948
3949	ShapeshiftForm form = m_caster->m_form;
3950	if( form == FORM_CAT \|\| form == FORM_TREE \|\| form == FORM_TRAVEL \|\|
3951	form == FORM_AQUA \|\| form == FORM_BEAR \|\| form == FORM_DIREBEAR \|\|
3952	form == FORM_CREATUREBEAR \|\| form == FORM_GHOSTWOLF \|\| form == FORM_FLIGHT \|\|
3953	form == FORM_FLIGHT_EPIC \|\| form == FORM_MOONKIN )
3954	return SPELL_FAILED_NOT_SHAPESHIFT;
3955
3956	break;
3957	}
3958	case SPELL_AURA_RANGED_ATTACK_POWER_ATTACKER_BONUS:
3959	{
3960	if(!m_targets.getUnitTarget())
3961	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3962
3963	// can be casted at non-friendly unit or own pet/charm
3964	if(m_caster->IsFriendlyTo(m_targets.getUnitTarget()))
3965	return SPELL_FAILED_TARGET_FRIENDLY;
3966	};break;
3967	case SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED:
3968	case SPELL_AURA_FLY:
3969	{
3970	// not allow cast fly spells at old maps by players (all spells is self target)
3971	if(m_caster->GetTypeId()==TYPEID_PLAYER)
3972	{
3973	if( !((Player*)m_caster)->isGameMaster() &&
3974	GetVirtualMapForMapAndZone(m_caster->GetMapId(),m_caster->GetZoneId()) != 530)
3975	return SPELL_FAILED_NOT_HERE;
3976	}
3977	};break;
3978	case SPELL_AURA_PERIODIC_MANA_LEECH:
3979	{
3980	if (!m_targets.getUnitTarget())
3981	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3982
3983	if (m_caster->GetTypeId()!=TYPEID_PLAYER \|\| m_CastItem)
3984	break;
3985
3986	if(m_targets.getUnitTarget()->getPowerType()!=POWER_MANA)
3987	return SPELL_FAILED_BAD_TARGETS;
3988	break;
3989	}
3990	default:break;
3991	}
3992	}
3993
3994	// all ok
3995	return 0;
3996	}
3997
3998	int16 Spell::PetCanCast(Unit* target)
3999	{
4000	if(!m_caster->isAlive())
4001	return SPELL_FAILED_CASTER_DEAD;
4002
4003	if(m_caster->IsNonMeleeSpellCasted(false)) //prevent spellcast interuption by another spellcast
4004	return SPELL_FAILED_SPELL_IN_PROGRESS;
4005	if(m_caster->isInCombat() && IsNonCombatSpell(m_spellInfo))
4006	return SPELL_FAILED_AFFECTING_COMBAT;
4007
4008	if(m_caster->GetTypeId()==TYPEID_UNIT && (((Creature*)m_caster)->isPet() \|\| m_caster->isCharmed()))
4009	{
4010	//dead owner (pets still alive when owners ressed?)
4011	if(m_caster->GetCharmerOrOwner() && !m_caster->GetCharmerOrOwner()->isAlive())
4012	return SPELL_FAILED_CASTER_DEAD;
4013
4014	if(!target && m_targets.getUnitTarget())
4015	target = m_targets.getUnitTarget();
4016
4017	bool need = false;
4018	for(uint32 i = 0;i<3;i++)
4019	{
4020	if(m_spellInfo->EffectImplicitTargetA[i] == TARGET_CHAIN_DAMAGE \|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_SINGLE_FRIEND \|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_DUELVSPLAYER \|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_SINGLE_PARTY \|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_CURRENT_ENEMY_COORDINATES)
4021	{
4022	need = true;
4023	if(!target)
4024	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4025	break;
4026	}
4027	}
4028	if(need)
4029	m_targets.setUnitTarget(target);
4030
4031	Unit* _target = m_targets.getUnitTarget();
4032
4033	if(_target) //for target dead/target not valid
4034	{
4035	if(!_target->isAlive())
4036	return SPELL_FAILED_BAD_TARGETS;
4037
4038	if(IsPositiveSpell(m_spellInfo->Id))
4039	{
4040	if(m_caster->IsHostileTo(_target))
4041	return SPELL_FAILED_BAD_TARGETS;
4042	}
4043	else
4044	{
4045	bool duelvsplayertar = false;
4046	for(int j=0;j<3;j++)
4047	{
4048	//TARGET_DUELVSPLAYER is positive AND negative
4049	duelvsplayertar \|= (m_spellInfo->EffectImplicitTargetA[j] == TARGET_DUELVSPLAYER);
4050	}
4051	if(m_caster->IsFriendlyTo(target) && !duelvsplayertar)
4052	{
4053	return SPELL_FAILED_BAD_TARGETS;
4054	}
4055	}
4056	}
4057	//cooldown
4058	if(((Creature*)m_caster)->HasSpellCooldown(m_spellInfo->Id))
4059	return SPELL_FAILED_NOT_READY;
4060	}
4061
4062	uint16 result = CanCast(true);
4063	if(result != 0)
4064	return result;
4065	else
4066	return -1; //this allows to check spell fail 0, in combat
4067	}
4068
4069	uint8 Spell::CheckCasterAuras() const
4070	{
4071	// Flag drop spells totally immuned to caster auras
4072	// FIXME: find more nice check for all totally immuned spells
4073	// AttributesEx3 & 0x10000000?
4074	if(m_spellInfo->Id==23336 \|\| m_spellInfo->Id==23334 \|\| m_spellInfo->Id==34991)
4075	return 0;
4076
4077	uint8 school_immune = 0;
4078	uint32 mechanic_immune = 0;
4079	uint32 dispel_immune = 0;
4080
4081	//Check if the spell grants school or mechanic immunity.
4082	//We use bitmasks so the loop is done only once and not on every aura check below.
4083	if ( m_spellInfo->AttributesEx & SPELL_ATTR_EX_DISPEL_AURAS_ON_IMMUNITY )
4084	{
4085	for(int i = 0;i < 3; i ++)
4086	{
4087	if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_SCHOOL_IMMUNITY)
4088	school_immune \|= uint32(m_spellInfo->EffectMiscValue[i]);
4089	else if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_MECHANIC_IMMUNITY)
4090	mechanic_immune \|= 1 << uint32(m_spellInfo->EffectMiscValue[i]);
4091	else if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_DISPEL_IMMUNITY)
4092	dispel_immune \|= GetDispellMask(DispelType(m_spellInfo->EffectMiscValue[i]));
4093	}
4094	//immune movement impairement and loss of control
4095	if(m_spellInfo->Id==(uint32)42292)
4096	mechanic_immune = IMMUNE_TO_MOVEMENT_IMPAIRMENT_AND_LOSS_CONTROL_MASK;
4097	}
4098
4099	//Check whether the cast should be prevented by any state you might have.
4100	uint8 prevented_reason = 0;
4101	// Have to check if there is a stun aura. Otherwise will have problems with ghost aura apply while logging out
4102	if(!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_STUNNED) && m_caster->HasAuraType(SPELL_AURA_MOD_STUN))
4103	prevented_reason = SPELL_FAILED_STUNNED;
4104	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_CONFUSED) && !(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_CONFUSED))
4105	prevented_reason = SPELL_FAILED_CONFUSED;
4106	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_FLEEING) && !(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_FEARED))
4107	prevented_reason = SPELL_FAILED_FLEEING;
4108	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_SILENCED) && m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_SILENCE)
4109	prevented_reason = SPELL_FAILED_SILENCED;
4110	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PACIFIED) && m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_PACIFY)
4111	prevented_reason = SPELL_FAILED_PACIFIED;
4112
4113	// Attr must make flag drop spell totally immuned from all effects
4114	if(prevented_reason)
4115	{
4116	if(school_immune \|\| mechanic_immune \|\| dispel_immune)
4117	{
4118	//Checking auras is needed now, because you are prevented by some state but the spell grants immunity.
4119	Unit::AuraMap const& auras = m_caster->GetAuras();
4120	for(Unit::AuraMap::const_iterator itr = auras.begin(); itr != auras.end(); itr++)
4121	{
4122	if(itr->second)
4123	{
4124	if( GetSpellMechanicMask(itr->second->GetSpellProto(), itr->second->GetEffIndex()) & mechanic_immune )
4125	continue;
4126	if( GetSpellSchoolMask(itr->second->GetSpellProto()) & school_immune )
4127	continue;
4128	if( (1<<(itr->second->GetSpellProto()->Dispel)) & dispel_immune)
4129	continue;
4130
4131	//Make a second check for spell failed so the right SPELL_FAILED message is returned.
4132	//That is needed when your casting is prevented by multiple states and you are only immune to some of them.
4133	switch(itr->second->GetModifier()->m_auraname)
4134	{
4135	case SPELL_AURA_MOD_STUN:
4136	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_STUNNED))
4137	return SPELL_FAILED_STUNNED;
4138	break;
4139	case SPELL_AURA_MOD_CONFUSE:
4140	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_CONFUSED))
4141	return SPELL_FAILED_CONFUSED;
4142	break;
4143	case SPELL_AURA_MOD_FEAR:
4144	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_FEARED))
4145	return SPELL_FAILED_FLEEING;
4146	break;
4147	case SPELL_AURA_MOD_SILENCE:
4148	case SPELL_AURA_MOD_PACIFY:
4149	case SPELL_AURA_MOD_PACIFY_SILENCE:
4150	if( m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_PACIFY)
4151	return SPELL_FAILED_PACIFIED;
4152	else if ( m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_SILENCE)
4153	return SPELL_FAILED_SILENCED;
4154	break;
4155	}
4156	}
4157	}
4158	}
4159	//You are prevented from casting and the spell casted does not grant immunity. Return a failed error.
4160	else
4161	return prevented_reason;
4162	}
4163	return 0; // all ok
4164	}
4165
4166	bool Spell::CanAutoCast(Unit* target)
4167	{
4168	uint64 targetguid = target->GetGUID();
4169
4170	for(uint32 j = 0;j<3;j++)
4171	{
4172	if(m_spellInfo->Effect[j] == SPELL_EFFECT_APPLY_AURA)
4173	{
4174	if( m_spellInfo->StackAmount <= 1)
4175	{
4176	if( target->HasAura(m_spellInfo->Id, j) )
4177	return false;
4178	}
4179	else
4180	{
4181	if( target->GetAuras().count(Unit::spellEffectPair(m_spellInfo->Id, j)) >= m_spellInfo->StackAmount)
4182	return false;
4183	}
4184	}
4185	else if ( IsAreaAuraEffect( m_spellInfo->Effect[j] ))
4186	{
4187	if( target->HasAura(m_spellInfo->Id, j) )
4188	return false;
4189	}
4190	}
4191
4192	int16 result = PetCanCast(target);
4193
4194	if(result == -1 \|\| result == SPELL_FAILED_UNIT_NOT_INFRONT)
4195	{
4196	FillTargetMap();
4197	//check if among target units, our WANTED target is as well (->only self cast spells return false)
4198	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
4199	if( ihit->targetGUID == targetguid )
4200	return true;
4201	}
4202	return false; //target invalid
4203	}
4204
4205	uint8 Spell::CheckRange(bool strict)
4206	{
4207	float range_mod;
4208
4209	// self cast doesn't need range checking -- also for Starshards fix
4210	if (m_spellInfo->rangeIndex == 1) return 0;
4211
4212	if (strict) //add radius of caster
4213	range_mod = 1.25;
4214	else //add radius of caster and ~5 yds "give"
4215	range_mod = 6.25;
4216
4217	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
4218	float max_range = GetSpellMaxRange(srange) + range_mod;
4219	float min_range = GetSpellMinRange(srange);
4220
4221	if(Player* modOwner = m_caster->GetSpellModOwner())
4222	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_RANGE, max_range, this);
4223
4224	Unit *target = m_targets.getUnitTarget();
4225
4226	if(target && target != m_caster)
4227	{
4228	// distance from target center in checks
4229	float dist = m_caster->GetDistance(target->GetPositionX(),target->GetPositionY(),target->GetPositionZ());
4230	if(dist > max_range)
4231	return SPELL_FAILED_OUT_OF_RANGE; //0x5A;
4232	if(dist < min_range)
4233	return SPELL_FAILED_TOO_CLOSE;
4234	if( !m_IsTriggeredSpell && m_caster->GetTypeId() == TYPEID_PLAYER &&
4235	!IsPositiveSpell(m_spellInfo->Id) && !m_caster->HasInArc( M_PI, target ) )
4236	{
4237	// Spell-Family Related Checks
4238	switch (m_spellInfo->SpellFamilyName)
4239	{
4240	case SPELLFAMILY_PRIEST:
4241	{
4242	// Shadow Word: Death, castable without facing
4243	if (m_spellInfo->SpellFamilyFlags & 0x200000000LL)
4244	return 0; // this is not TARGET_FLAG_DEST_LOCATION so we can return safely
4245	break;
4246	}
4247	case SPELLFAMILY_PALADIN:
4248	{
4249	// Holy Shock, require facing
4250	if (m_spellInfo->SpellFamilyFlags & 0x200000LL)
4251	return SPELL_FAILED_UNIT_NOT_INFRONT;
4252	break;
4253	}
4254	case SPELLFAMILY_WARRIOR:
4255	{
4256	// Charge, require facing
4257	if (m_spellInfo->SpellFamilyFlags & 1)
4258	return SPELL_FAILED_UNIT_NOT_INFRONT;
4259	break;
4260	}
4261	}
4262
4263	// Ranged Weapon
4264	if (IsRangedSpell())
4265	return SPELL_FAILED_UNIT_NOT_INFRONT;
4266
4267	// Melee Combat
4268	if (m_spellInfo->rangeIndex == 2)
4269	return SPELL_FAILED_UNIT_NOT_INFRONT;
4270
4271	// Missile Effect
4272	if (m_spellInfo->speed > 0)
4273	return SPELL_FAILED_UNIT_NOT_INFRONT;
4274
4275	// Channeled Spells need facing
4276	if (IsChanneledSpell(m_spellInfo))
4277	return SPELL_FAILED_UNIT_NOT_INFRONT;
4278
4279	// Direct Damage and charge effects
4280	for (uint8 i=0;i<3;++i)
4281	{
4282	if (m_spellInfo->Effect[i] == SPELL_EFFECT_SCHOOL_DAMAGE \|\|
4283	m_spellInfo->Effect[i] == SPELL_EFFECT_POWER_BURN \|\|
4284	m_spellInfo->Effect[i] == SPELL_EFFECT_HEALTH_LEECH \|\|
4285	m_spellInfo->Effect[i] == SPELL_EFFECT_CHARGE)
4286	return SPELL_FAILED_UNIT_NOT_INFRONT;
4287	}
4288	}
4289	}
4290
4291	if(m_targets.m_targetMask == TARGET_FLAG_DEST_LOCATION && m_targets.m_destX != 0 && m_targets.m_destY != 0 && m_targets.m_destZ != 0)
4292	{
4293	float dist = m_caster->GetDistance(m_targets.m_destX, m_targets.m_destY, m_targets.m_destZ);
4294	if(dist > max_range)
4295	return SPELL_FAILED_OUT_OF_RANGE;
4296	if(dist < min_range)
4297	return SPELL_FAILED_TOO_CLOSE;
4298	}
4299
4300	return 0; // ok
4301	}
4302
4303	int32 Spell::CalculatePowerCost()
4304	{
4305	// item cast not used power
4306	if(m_CastItem)
4307	return 0;
4308
4309	// Spell drain all exist power on cast (Only paladin lay of Hands)
4310	if (m_spellInfo->AttributesEx & SPELL_ATTR_EX_DRAIN_ALL_POWER)
4311	{
4312	// If power type - health drain all
4313	if (m_spellInfo->powerType == POWER_HEALTH)
4314	return m_caster->GetHealth();
4315	// Else drain all power
4316	if (m_spellInfo->powerType < MAX_POWERS)
4317	return m_caster->GetPower(Powers(m_spellInfo->powerType));
4318	sLog.outError("Spell::CalculateManaCost: Unknown power type '%d' in spell %d", m_spellInfo->powerType, m_spellInfo->Id);
4319	return 0;
4320	}
4321
4322	// Base powerCost
4323	int32 powerCost = m_spellInfo->manaCost;
4324	// PCT cost from total amount
4325	if (m_spellInfo->ManaCostPercentage)
4326	{
4327	switch (m_spellInfo->powerType)
4328	{
4329	// health as power used
4330	case POWER_HEALTH:
4331	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetCreateHealth() / 100;
4332	break;
4333	case POWER_MANA:
4334	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetCreateMana() / 100;
4335	break;
4336	case POWER_RAGE:
4337	case POWER_FOCUS:
4338	case POWER_ENERGY:
4339	case POWER_HAPPINESS:
4340	// case POWER_RUNES:
4341	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetMaxPower(Powers(m_spellInfo->powerType)) / 100;
4342	break;
4343	default:
4344	sLog.outError("Spell::CalculateManaCost: Unknown power type '%d' in spell %d", m_spellInfo->powerType, m_spellInfo->Id);
4345	return 0;
4346	}
4347	}
4348	SpellSchools school = GetFirstSchoolInMask(m_spellSchoolMask);
4349	// Flat mod from caster auras by spell school
4350	powerCost += m_caster->GetInt32Value(UNIT_FIELD_POWER_COST_MODIFIER + school);
4351	// Shiv - costs 20 + weaponSpeed*10 energy (apply only to non-triggered spell with energy cost)
4352	if ( m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_SPELL_VS_EXTEND_COST )
4353	powerCost += m_caster->GetAttackTime(OFF_ATTACK)/100;
4354	// Apply cost mod by spell
4355	if(Player* modOwner = m_caster->GetSpellModOwner())
4356	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COST, powerCost, this);
4357
4358	if(m_spellInfo->Attributes & SPELL_ATTR_LEVEL_DAMAGE_CALCULATION)
4359	powerCost = int32(powerCost/ (1.117f* m_spellInfo->spellLevel / m_caster->getLevel() -0.1327f));
4360
4361	// PCT mod from user auras by school
4362	powerCost = int32(powerCost * (1.0f+m_caster->GetFloatValue(UNIT_FIELD_POWER_COST_MULTIPLIER+school)));
4363	if (powerCost < 0)
4364	powerCost = 0;
4365	return powerCost;
4366	}
4367
4368	uint8 Spell::CheckPower()
4369	{
4370	// item cast not used power
4371	if(m_CastItem)
4372	return 0;
4373
4374	// health as power used - need check health amount
4375	if(m_spellInfo->powerType == POWER_HEALTH)
4376	{
4377	if(m_caster->GetHealth() <= m_powerCost)
4378	return SPELL_FAILED_CASTER_AURASTATE;
4379	return 0;
4380	}
4381	// Check valid power type
4382	if( m_spellInfo->powerType >= MAX_POWERS )
4383	{
4384	sLog.outError("Spell::CheckMana: Unknown power type '%d'", m_spellInfo->powerType);
4385	return SPELL_FAILED_UNKNOWN;
4386	}
4387	// Check power amount
4388	Powers powerType = Powers(m_spellInfo->powerType);
4389	if(m_caster->GetPower(powerType) < m_powerCost)
4390	return SPELL_FAILED_NO_POWER;
4391	else
4392	return 0;
4393	}
4394
4395	uint8 Spell::CheckItems()
4396	{
4397	if (m_caster->GetTypeId() != TYPEID_PLAYER)
4398	return 0;
4399
4400	uint32 itemid, itemcount;
4401	Player* p_caster = (Player*)m_caster;
4402
4403	if(m_CastItem)
4404	{
4405	itemid = m_CastItem->GetEntry();
4406	if( !p_caster->HasItemCount(itemid,1) )
4407	return SPELL_FAILED_ITEM_NOT_READY;
4408	else
4409	{
4410	ItemPrototype const *proto = m_CastItem->GetProto();
4411	if(!proto)
4412	return SPELL_FAILED_ITEM_NOT_READY;
4413
4414	for (int i = 0; i<5; i++)
4415	{
4416	if (proto->Spells[i].SpellCharges)
4417	{
4418	if(m_CastItem->GetSpellCharges(i)==0)
4419	return SPELL_FAILED_NO_CHARGES_REMAIN;
4420	}
4421	}
4422
4423	uint32 ItemClass = proto->Class;
4424	if (ItemClass == ITEM_CLASS_CONSUMABLE && m_targets.getUnitTarget())
4425	{
4426	for (int i = 0; i < 3; i++)
4427	{
4428	// skip check, pet not required like checks, and for TARGET_PET m_targets.getUnitTarget() is not the real target but the caster
4429	if (m_spellInfo->EffectImplicitTargetA[i] == TARGET_PET)
4430	continue;
4431
4432	if (m_spellInfo->Effect[i] == SPELL_EFFECT_HEAL)
4433	if (m_targets.getUnitTarget()->GetHealth() == m_targets.getUnitTarget()->GetMaxHealth())
4434	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_HEALTH;
4435
4436	// Mana Potion, Rage Potion, Thistle Tea(Rogue), ...
4437	if (m_spellInfo->Effect[i] == SPELL_EFFECT_ENERGIZE)
4438	{
4439	if(m_spellInfo->EffectMiscValue[i] < 0 \|\| m_spellInfo->EffectMiscValue[i] >= MAX_POWERS)
4440	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_POWER;
4441
4442	Powers power = Powers(m_spellInfo->EffectMiscValue[i]);
4443
4444	if (m_targets.getUnitTarget()->GetPower(power) == m_targets.getUnitTarget()->GetMaxPower(power))
4445	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_POWER;
4446	}
4447	}
4448	}
4449	}
4450	}
4451
4452	if(m_targets.getItemTargetGUID())
4453	{
4454	if(m_caster->GetTypeId() != TYPEID_PLAYER)
4455	return SPELL_FAILED_BAD_TARGETS;
4456
4457	if(!m_targets.getItemTarget())
4458	return SPELL_FAILED_ITEM_GONE;
4459
4460	if(!m_targets.getItemTarget()->IsFitToSpellRequirements(m_spellInfo))
4461	return SPELL_FAILED_EQUIPPED_ITEM_CLASS;
4462	}
4463	// if not item target then required item must be equipped
4464	else
4465	{
4466	if(m_caster->GetTypeId() == TYPEID_PLAYER && !((Player*)m_caster)->HasItemFitToSpellReqirements(m_spellInfo))
4467	return SPELL_FAILED_EQUIPPED_ITEM_CLASS;
4468	}
4469
4470	if(m_spellInfo->RequiresSpellFocus)
4471	{
4472	CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
4473	Cell cell(p);
4474	cell.data.Part.reserved = ALL_DISTRICT;
4475
4476	GameObject* ok = NULL;
4477	MaNGOS::GameObjectFocusCheck go_check(m_caster,m_spellInfo->RequiresSpellFocus);
4478	MaNGOS::GameObjectSearcher<MaNGOS::GameObjectFocusCheck> checker(ok,go_check);
4479
4480	TypeContainerVisitor<MaNGOS::GameObjectSearcher<MaNGOS::GameObjectFocusCheck>, GridTypeMapContainer > object_checker(checker);
4481	CellLock<GridReadGuard> cell_lock(cell, p);
4482	cell_lock->Visit(cell_lock, object_checker, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
4483
4484	if(!ok)
4485	return (uint8)SPELL_FAILED_REQUIRES_SPELL_FOCUS;
4486
4487	focusObject = ok; // game object found in range
4488	}
4489
4490	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_NO_REAGENT_WHILE_PREP &&
4491	m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREPARATION)))
4492	{
4493	for(uint32 i=0;i<8;i++)
4494	{
4495	if(m_spellInfo->Reagent[i] <= 0)
4496	continue;
4497
4498	itemid = m_spellInfo->Reagent[i];
4499	itemcount = m_spellInfo->ReagentCount[i];
4500
4501	// if CastItem is also spell reagent
4502	if( m_CastItem && m_CastItem->GetEntry() == itemid )
4503	{
4504	ItemPrototype const *proto = m_CastItem->GetProto();
4505	if(!proto)
4506	return SPELL_FAILED_ITEM_NOT_READY;
4507	for(int s=0;s<5;s++)
4508	{
4509	// CastItem will be used up and does not count as reagent
4510	int32 charges = m_CastItem->GetSpellCharges(s);
4511	if (proto->Spells[s].SpellCharges < 0 && abs(charges) < 2)
4512	{
4513	++itemcount;
4514	break;
4515	}
4516	}
4517	}
4518	if( !p_caster->HasItemCount(itemid,itemcount) )
4519	return (uint8)SPELL_FAILED_ITEM_NOT_READY; //0x54
4520	}
4521	}
4522
4523	uint32 totems = 2;
4524	for(int i=0;i<2;++i)
4525	{
4526	if(m_spellInfo->Totem[i] != 0)
4527	{
4528	if( p_caster->HasItemCount(m_spellInfo->Totem[i],1) )
4529	{
4530	totems -= 1;
4531	continue;
4532	}
4533	}else
4534	totems -= 1;
4535	}
4536	if(totems != 0)
4537	return (uint8)SPELL_FAILED_TOTEMS; //0x7C
4538
4539	//Check items for TotemCategory
4540	uint32 TotemCategory = 2;
4541	for(int i=0;i<2;++i)
4542	{
4543	if(m_spellInfo->TotemCategory[i] != 0)
4544	{
4545	if( p_caster->HasItemTotemCategory(m_spellInfo->TotemCategory[i]) )
4546	{
4547	TotemCategory -= 1;
4548	continue;
4549	}
4550	}
4551	else
4552	TotemCategory -= 1;
4553	}
4554	if(TotemCategory != 0)
4555	return (uint8)SPELL_FAILED_TOTEM_CATEGORY; //0x7B
4556
4557	for(int i = 0; i < 3; i++)
4558	{
4559	switch (m_spellInfo->Effect[i])
4560	{
4561	case SPELL_EFFECT_CREATE_ITEM:
4562	{
4563	if (!m_IsTriggeredSpell && m_spellInfo->EffectItemType[i])
4564	{
4565	ItemPosCountVec dest;
4566	uint8 msg = p_caster->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, m_spellInfo->EffectItemType[i], 1 );
4567	if (msg != EQUIP_ERR_OK )
4568	{
4569	p_caster->SendEquipError( msg, NULL, NULL );
4570	return SPELL_FAILED_DONT_REPORT;
4571	}
4572	}
4573	break;
4574	}
4575	case SPELL_EFFECT_ENCHANT_ITEM:
4576	{
4577	Item* targetItem = m_targets.getItemTarget();
4578	if(!targetItem)
4579	return SPELL_FAILED_ITEM_NOT_FOUND;
4580
4581	if( targetItem->GetProto()->ItemLevel < m_spellInfo->baseLevel )
4582	return SPELL_FAILED_LOWLEVEL;
4583	// Not allow enchant in trade slot for some enchant type
4584	if( targetItem->GetOwner() != m_caster )
4585	{
4586	uint32 enchant_id = m_spellInfo->EffectMiscValue[i];
4587	SpellItemEnchantmentEntry const *pEnchant = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
4588	if(!pEnchant)
4589	return SPELL_FAILED_ERROR;
4590	if (pEnchant->slot & ENCHANTMENT_CAN_SOULBOUND)
4591	return SPELL_FAILED_NOT_TRADEABLE;
4592	}
4593	break;
4594	}
4595	case SPELL_EFFECT_ENCHANT_ITEM_TEMPORARY:
4596	{
4597	Item *item = m_targets.getItemTarget();
4598	if(!item)
4599	return SPELL_FAILED_ITEM_NOT_FOUND;
4600	// Not allow enchant in trade slot for some enchant type
4601	if( item->GetOwner() != m_caster )
4602	{
4603	uint32 enchant_id = m_spellInfo->EffectMiscValue[i];
4604	SpellItemEnchantmentEntry const *pEnchant = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
4605	if(!pEnchant)
4606	return SPELL_FAILED_ERROR;
4607	if (pEnchant->slot & ENCHANTMENT_CAN_SOULBOUND)
4608	return SPELL_FAILED_NOT_TRADEABLE;
4609	}
4610	break;
4611	}
4612	case SPELL_EFFECT_ENCHANT_HELD_ITEM:
4613	// check item existence in effect code (not output errors at offhand hold item effect to main hand for example
4614	break;
4615	case SPELL_EFFECT_DISENCHANT:
4616	{
4617	if(!m_targets.getItemTarget())
4618	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4619
4620	// prevent disenchanting in trade slot
4621	if( m_targets.getItemTarget()->GetOwnerGUID() != m_caster->GetGUID() )
4622	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4623
4624	ItemPrototype const* itemProto = m_targets.getItemTarget()->GetProto();
4625	if(!itemProto)
4626	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4627
4628	uint32 item_quality = itemProto->Quality;
4629	// 2.0.x addon: Check player enchanting level agains the item desenchanting requirements
4630	uint32 item_disenchantskilllevel = itemProto->RequiredDisenchantSkill;
4631	if (item_disenchantskilllevel == uint32(-1))
4632	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4633	if (item_disenchantskilllevel > p_caster->GetSkillValue(SKILL_ENCHANTING))
4634	return SPELL_FAILED_LOW_CASTLEVEL;
4635	if(item_quality > 4 \|\| item_quality < 2)
4636	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4637	if(itemProto->Class != ITEM_CLASS_WEAPON && itemProto->Class != ITEM_CLASS_ARMOR)
4638	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4639	if (!itemProto->DisenchantID)
4640	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4641	break;
4642	}
4643	case SPELL_EFFECT_PROSPECTING:
4644	{
4645	if(!m_targets.getItemTarget())
4646	return SPELL_FAILED_CANT_BE_PROSPECTED;
4647	//ensure item is a prospectable ore
4648	if(!(m_targets.getItemTarget()->GetProto()->BagFamily & BAG_FAMILY_MASK_MINING_SUPP) \|\| m_targets.getItemTarget()->GetProto()->Class != ITEM_CLASS_TRADE_GOODS)
4649	return SPELL_FAILED_CANT_BE_PROSPECTED;
4650	//prevent prospecting in trade slot
4651	if( m_targets.getItemTarget()->GetOwnerGUID() != m_caster->GetGUID() )
4652	return SPELL_FAILED_CANT_BE_PROSPECTED;
4653	//Check for enough skill in jewelcrafting
4654	uint32 item_prospectingskilllevel = m_targets.getItemTarget()->GetProto()->RequiredSkillRank;
4655	if(item_prospectingskilllevel >p_caster->GetSkillValue(SKILL_JEWELCRAFTING))
4656	return SPELL_FAILED_LOW_CASTLEVEL;
4657	//make sure the player has the required ores in inventory
4658	if(m_targets.getItemTarget()->GetCount() < 5)
4659	return SPELL_FAILED_PROSPECT_NEED_MORE;
4660
4661	if(!LootTemplates_Prospecting.HaveLootFor(m_targets.getItemTargetEntry()))
4662	return SPELL_FAILED_CANT_BE_PROSPECTED;
4663
4664	break;
4665	}
4666	case SPELL_EFFECT_WEAPON_DAMAGE:
4667	case SPELL_EFFECT_WEAPON_DAMAGE_NOSCHOOL:
4668	{
4669	if(m_caster->GetTypeId() != TYPEID_PLAYER) return SPELL_FAILED_TARGET_NOT_PLAYER;
4670	if( m_attackType != RANGED_ATTACK )
4671	break;
4672	Item pItem = ((Player)m_caster)->GetWeaponForAttack(m_attackType);
4673	if(!pItem \|\| pItem->IsBroken())
4674	return SPELL_FAILED_EQUIPPED_ITEM;
4675
4676	switch(pItem->GetProto()->SubClass)
4677	{
4678	case ITEM_SUBCLASS_WEAPON_THROWN:
4679	{
4680	uint32 ammo = pItem->GetEntry();
4681	if( !((Player*)m_caster)->HasItemCount( ammo, 1 ) )
4682	return SPELL_FAILED_NO_AMMO;
4683	}; break;
4684	case ITEM_SUBCLASS_WEAPON_GUN:
4685	case ITEM_SUBCLASS_WEAPON_BOW:
4686	case ITEM_SUBCLASS_WEAPON_CROSSBOW:
4687	{
4688	uint32 ammo = ((Player*)m_caster)->GetUInt32Value(PLAYER_AMMO_ID);
4689	if(!ammo)
4690	{
4691	// Requires No Ammo
4692	if(m_caster->GetDummyAura(46699))
4693	break; // skip other checks
4694
4695	return SPELL_FAILED_NO_AMMO;
4696	}
4697
4698	ItemPrototype const *ammoProto = objmgr.GetItemPrototype( ammo );
4699	if(!ammoProto)
4700	return SPELL_FAILED_NO_AMMO;
4701
4702	if(ammoProto->Class != ITEM_CLASS_PROJECTILE)
4703	return SPELL_FAILED_NO_AMMO;
4704
4705	// check ammo ws. weapon compatibility
4706	switch(pItem->GetProto()->SubClass)
4707	{
4708	case ITEM_SUBCLASS_WEAPON_BOW:
4709	case ITEM_SUBCLASS_WEAPON_CROSSBOW:
4710	if(ammoProto->SubClass!=ITEM_SUBCLASS_ARROW)
4711	return SPELL_FAILED_NO_AMMO;
4712	break;
4713	case ITEM_SUBCLASS_WEAPON_GUN:
4714	if(ammoProto->SubClass!=ITEM_SUBCLASS_BULLET)
4715	return SPELL_FAILED_NO_AMMO;
4716	break;
4717	default:
4718	return SPELL_FAILED_NO_AMMO;
4719	}
4720
4721	if( !((Player*)m_caster)->HasItemCount( ammo, 1 ) )
4722	return SPELL_FAILED_NO_AMMO;
4723	}; break;
4724	case ITEM_SUBCLASS_WEAPON_WAND:
4725	default:
4726	break;
4727	}
4728	break;
4729	}
4730	default:break;
4731	}
4732	}
4733
4734	return uint8(0);
4735	}
4736
4737	void Spell::Delayed()
4738	{
4739	if(!m_caster \|\| m_caster->GetTypeId() != TYPEID_PLAYER)
4740	return;
4741
4742	if (m_spellState == SPELL_STATE_DELAYED)
4743	return; // spell is active and can't be time-backed
4744
4745	// spells not loosing casting time ( slam, dynamites, bombs.. )
4746	if(!(m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_DAMAGE))
4747	return;
4748
4749	//check resist chance
4750	int32 resistChance = 100; //must be initialized to 100 for percent modifiers
4751	((Player*)m_caster)->ApplySpellMod(m_spellInfo->Id,SPELLMOD_NOT_LOSE_CASTING_TIME,resistChance, this);
4752	resistChance += m_caster->GetTotalAuraModifier(SPELL_AURA_RESIST_PUSHBACK) - 100;
4753	if (roll_chance_i(resistChance))
4754	return;
4755
4756	int32 delaytime = GetNextDelayAtDamageMsTime();
4757
4758	if(int32(m_timer) + delaytime > m_casttime)
4759	{
4760	delaytime = m_casttime - m_timer;
4761	m_timer = m_casttime;
4762	}
4763	else
4764	m_timer += delaytime;
4765
4766	sLog.outDetail("Spell %u partially interrupted for (%d) ms at damage",m_spellInfo->Id,delaytime);
4767
4768	WorldPacket data(SMSG_SPELL_DELAYED, 8+4);
4769	data.append(m_caster->GetPackGUID());
4770	data << uint32(delaytime);
4771
4772	m_caster->SendMessageToSet(&data,true);
4773	}
4774
4775	void Spell::DelayedChannel()
4776	{
4777	if(!m_caster \|\| m_caster->GetTypeId() != TYPEID_PLAYER \|\| getState() != SPELL_STATE_CASTING)
4778	return;
4779
4780	//check resist chance
4781	int32 resistChance = 100; //must be initialized to 100 for percent modifiers
4782	((Player*)m_caster)->ApplySpellMod(m_spellInfo->Id,SPELLMOD_NOT_LOSE_CASTING_TIME,resistChance, this);
4783	resistChance += m_caster->GetTotalAuraModifier(SPELL_AURA_RESIST_PUSHBACK) - 100;
4784	if (roll_chance_i(resistChance))
4785	return;
4786
4787	int32 delaytime = GetNextDelayAtDamageMsTime();
4788
4789	if(int32(m_timer) < delaytime)
4790	{
4791	delaytime = m_timer;
4792	m_timer = 0;
4793	}
4794	else
4795	m_timer -= delaytime;
4796
4797	sLog.outDebug("Spell %u partially interrupted for %i ms, new duration: %u ms", m_spellInfo->Id, delaytime, m_timer);
4798
4799	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
4800	{
4801	if ((*ihit).missCondition == SPELL_MISS_NONE)
4802	{
4803	Unit* unit = m_caster->GetGUID()==ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, ihit->targetGUID);
4804	if (unit)
4805	{
4806	for (int j=0;j<3;j++)
4807	if( ihit->effectMask & (1<<j) )
4808	unit->DelayAura(m_spellInfo->Id, j, delaytime);
4809	}
4810
4811	}
4812	}
4813
4814	for(int j = 0; j < 3; j++)
4815	{
4816	// partially interrupt persistent area auras
4817	DynamicObject* dynObj = m_caster->GetDynObject(m_spellInfo->Id, j);
4818	if(dynObj)
4819	dynObj->Delay(delaytime);
4820	}
4821
4822	SendChannelUpdate(m_timer);
4823	}
4824
4825	void Spell::UpdatePointers()
4826	{
4827	if(m_originalCasterGUID==m_caster->GetGUID())
4828	m_originalCaster = m_caster;
4829	else
4830	{
4831	m_originalCaster = ObjectAccessor::GetUnit(*m_caster,m_originalCasterGUID);
4832	if(m_originalCaster && !m_originalCaster->IsInWorld()) m_originalCaster = NULL;
4833	}
4834
4835	m_targets.Update(m_caster);
4836	}
4837
4838	bool Spell::IsAffectedBy(SpellEntry const *spellInfo, uint32 effectId)
4839	{
4840	return spellmgr.IsAffectedBySpell(m_spellInfo,spellInfo->Id,effectId,spellInfo->EffectItemType[effectId]);
4841	}
4842
4843	bool Spell::CheckTargetCreatureType(Unit* target) const
4844	{
4845	uint32 spellCreatureTargetMask = m_spellInfo->TargetCreatureType;
4846
4847	// Curse of Doom : not find another way to fix spell target check :/
4848	if(m_spellInfo->SpellFamilyName==SPELLFAMILY_WARLOCK && m_spellInfo->SpellFamilyFlags == 0x0200000000LL)
4849	{
4850	// not allow cast at player
4851	if(target->GetTypeId()==TYPEID_PLAYER)
4852	return false;
4853
4854	spellCreatureTargetMask = 0x7FF;
4855	}
4856
4857	// Dismiss Pet and Taming Lesson skipped
4858	if(m_spellInfo->Id == 2641 \|\| m_spellInfo->Id == 23356)
4859	spellCreatureTargetMask = 0;
4860
4861	if (spellCreatureTargetMask)
4862	{
4863	uint32 TargetCreatureType = target->GetCreatureTypeMask();
4864
4865	return !TargetCreatureType \|\| (spellCreatureTargetMask & TargetCreatureType);
4866	}
4867	return true;
4868	}
4869
4870	CurrentSpellTypes Spell::GetCurrentContainer()
4871	{
4872	if (IsNextMeleeSwingSpell())
4873	return(CURRENT_MELEE_SPELL);
4874	else if (IsAutoRepeat())
4875	return(CURRENT_AUTOREPEAT_SPELL);
4876	else if (IsChanneledSpell(m_spellInfo))
4877	return(CURRENT_CHANNELED_SPELL);
4878	else
4879	return(CURRENT_GENERIC_SPELL);
4880	}
4881
4882	bool Spell::CheckTarget( Unit* target, uint32 eff, bool hitPhase )
4883	{
4884	// Check targets for creature type mask and remove not appropriate (skip explicit self target case, maybe need other explicit targets)
4885	if(m_spellInfo->EffectImplicitTargetA[eff]!=TARGET_SELF )
4886	{
4887	if (!CheckTargetCreatureType(target))
4888	return false;
4889	}
4890
4891	// Check targets for not_selectable unit flag and remove
4892	// A player can cast spells on his pet (or other controlled unit) though in any state
4893	if (target != m_caster && target->GetCharmerOrOwnerGUID() != m_caster->GetGUID())
4894	{
4895	// any unattackable target skipped
4896	if (target->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE))
4897	return false;
4898
4899	// unselectable targets skipped in all cases except TARGET_SCRIPT targeting
4900	// in case TARGET_SCRIPT target selected by server always and can't be cheated
4901	if( target->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE) &&
4902	m_spellInfo->EffectImplicitTargetA[eff] != TARGET_SCRIPT &&
4903	m_spellInfo->EffectImplicitTargetB[eff] != TARGET_SCRIPT )
4904	return false;
4905	}
4906
4907	//Check player targets and remove if in GM mode or GM invisibility (for not self casting case)
4908	if( target != m_caster && target->GetTypeId()==TYPEID_PLAYER)
4909	{
4910	if(((Player*)target)->GetVisibility()==VISIBILITY_OFF)
4911	return false;
4912
4913	if(((Player*)target)->isGameMaster() && !IsPositiveSpell(m_spellInfo->Id))
4914	return false;
4915	}
4916
4917	//Check targets for LOS visibility (except spells without range limitations )
4918	switch(m_spellInfo->Effect[eff])
4919	{
4920	case SPELL_EFFECT_SUMMON_PLAYER: // from anywhere
4921	break;
4922	case SPELL_EFFECT_DUMMY:
4923	if(m_spellInfo->Id!=20577) // Cannibalize
4924	break;
4925	//fall through
4926	case SPELL_EFFECT_RESURRECT_NEW:
4927	// player far away, maybe his corpse near?
4928	if(target!=m_caster && !target->IsWithinLOSInMap(m_caster))
4929	{
4930	if(!m_targets.getCorpseTargetGUID())
4931	return false;
4932
4933	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
4934	if(!corpse)
4935	return false;
4936
4937	if(target->GetGUID()!=corpse->GetOwnerGUID())
4938	return false;
4939
4940	if(!corpse->IsWithinLOSInMap(m_caster))
4941	return false;
4942	}
4943
4944	// all ok by some way or another, skip normal check
4945	break;
4946	default: // normal case
4947	if(target!=m_caster && !target->IsWithinLOSInMap(m_caster))
4948	return false;
4949	break;
4950	}
4951
4952	return true;
4953	}
4954
4955	Unit* Spell::SelectMagnetTarget()
4956	{
4957	Unit* target = m_targets.getUnitTarget();
4958
4959	if(target && target->HasAuraType(SPELL_AURA_SPELL_MAGNET) && !(m_spellInfo->Attributes & 0x10))
4960	{
4961	Unit::AuraList const& magnetAuras = target->GetAurasByType(SPELL_AURA_SPELL_MAGNET);
4962	for(Unit::AuraList::const_iterator itr = magnetAuras.begin(); itr != magnetAuras.end(); ++itr)
4963	{
4964	if(Unit* magnet = (*itr)->GetCaster())
4965	{
4966	if(magnet->IsWithinLOSInMap(m_caster))
4967	{
4968	target = magnet;
4969	m_targets.setUnitTarget(target);
4970	break;
4971	}
4972	}
4973	}
4974	}
4975
4976	return target;
4977	}
4978
4979	bool Spell::IsNeedSendToClient() const
4980	{
4981	return m_spellInfo->SpellVisual!=0 \|\| IsChanneledSpell(m_spellInfo) \|\|
4982	m_spellInfo->speed > 0.0f \|\| !m_triggeredByAuraSpell && !m_IsTriggeredSpell;
4983	}
4984
4985	bool Spell::HaveTargetsForEffect( uint8 effect ) const
4986	{
4987	for(std::list<TargetInfo>::const_iterator itr= m_UniqueTargetInfo.begin();itr != m_UniqueTargetInfo.end();++itr)
4988	if(itr->effectMask & (1<<effect))
4989	return true;
4990
4991	for(std::list<GOTargetInfo>::const_iterator itr= m_UniqueGOTargetInfo.begin();itr != m_UniqueGOTargetInfo.end();++itr)
4992	if(itr->effectMask & (1<<effect))
4993	return true;
4994
4995	for(std::list<ItemTargetInfo>::const_iterator itr= m_UniqueItemInfo.begin();itr != m_UniqueItemInfo.end();++itr)
4996	if(itr->effectMask & (1<<effect))
4997	return true;
4998
4999	return false;
5000	}
5001
5002	SpellEvent::SpellEvent(Spell* spell) : BasicEvent()
5003	{
5004	m_Spell = spell;
5005	}
5006
5007	SpellEvent::~SpellEvent()
5008	{
5009	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5010	m_Spell->cancel();
5011
5012	if (m_Spell->IsDeletable())
5013	{
5014	delete m_Spell;
5015	}
5016	else
5017	{
5018	sLog.outError("~SpellEvent: %s %u tried to delete non-deletable spell %u. Was not deleted, causes memory leak.",
5019	(m_Spell->GetCaster()->GetTypeId()==TYPEID_PLAYER?"Player":"Creature"), m_Spell->GetCaster()->GetGUIDLow(),m_Spell->m_spellInfo->Id);
5020	}
5021	}
5022
5023	bool SpellEvent::Execute(uint64 e_time, uint32 p_time)
5024	{
5025	// update spell if it is not finished
5026	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5027	m_Spell->update(p_time);
5028
5029	// check spell state to process
5030	switch (m_Spell->getState())
5031	{
5032	case SPELL_STATE_FINISHED:
5033	{
5034	// spell was finished, check deletable state
5035	if (m_Spell->IsDeletable())
5036	{
5037	// check, if we do have unfinished triggered spells
5038
5039	return(true); // spell is deletable, finish event
5040	}
5041	// event will be re-added automatically at the end of routine)
5042	} break;
5043
5044	case SPELL_STATE_CASTING:
5045	{
5046	// this spell is in channeled state, process it on the next update
5047	// event will be re-added automatically at the end of routine)
5048	} break;
5049
5050	case SPELL_STATE_DELAYED:
5051	{
5052	// first, check, if we have just started
5053	if (m_Spell->GetDelayStart() != 0)
5054	{
5055	// no, we aren't, do the typical update
5056	// check, if we have channeled spell on our hands
5057	if (IsChanneledSpell(m_Spell->m_spellInfo))
5058	{
5059	// evented channeled spell is processed separately, casted once after delay, and not destroyed till finish
5060	// check, if we have casting anything else except this channeled spell and autorepeat
5061	if (m_Spell->GetCaster()->IsNonMeleeSpellCasted(false, true, true))
5062	{
5063	// another non-melee non-delayed spell is casted now, abort
5064	m_Spell->cancel();
5065	}
5066	else
5067	{
5068	// do the action (pass spell to channeling state)
5069	m_Spell->handle_immediate();
5070	}
5071	// event will be re-added automatically at the end of routine)
5072	}
5073	else
5074	{
5075	// run the spell handler and think about what we can do next
5076	uint64 t_offset = e_time - m_Spell->GetDelayStart();
5077	uint64 n_offset = m_Spell->handle_delayed(t_offset);
5078	if (n_offset)
5079	{
5080	// re-add us to the queue
5081	m_Spell->GetCaster()->m_Events.AddEvent(this, m_Spell->GetDelayStart() + n_offset, false);
5082	return(false); // event not complete
5083	}
5084	// event complete
5085	// finish update event will be re-added automatically at the end of routine)
5086	}
5087	}
5088	else
5089	{
5090	// delaying had just started, record the moment
5091	m_Spell->SetDelayStart(e_time);
5092	// re-plan the event for the delay moment
5093	m_Spell->GetCaster()->m_Events.AddEvent(this, e_time + m_Spell->GetDelayMoment(), false);
5094	return(false); // event not complete
5095	}
5096	} break;
5097
5098	default:
5099	{
5100	// all other states
5101	// event will be re-added automatically at the end of routine)
5102	} break;
5103	}
5104
5105	// spell processing not complete, plan event on the next update interval
5106	m_Spell->GetCaster()->m_Events.AddEvent(this, e_time + 1, false);
5107	return(false); // event not complete
5108	}
5109
5110	void SpellEvent::Abort(uint64 /e_time/)
5111	{
5112	// oops, the spell we try to do is aborted
5113	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5114	m_Spell->cancel();
5115	}

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root/trunk/src/game/Spell.cpp @ 4

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