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Spell.cpp @ 102

Revision 102, 202.4 kB (checked in by yumileroy, 17 years ago)

[svn] Fixed copyright notices to comply with GPL.

Original author: w12x
Date: 2008-10-23 03:29:52-05:00

Line
1	/*
2	* Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/>
3	*
4	* Copyright (C) 2008 Trinity <http://www.trinitycore.org/>
5	*
6	* This program is free software; you can redistribute it and/or modify
7	* it under the terms of the GNU General Public License as published by
8	* the Free Software Foundation; either version 2 of the License, or
9	* (at your option) any later version.
10	*
11	* This program is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19	*/
20
21	#include "Common.h"
22	#include "Database/DatabaseEnv.h"
23	#include "WorldPacket.h"
24	#include "WorldSession.h"
25	#include "GridNotifiers.h"
26	#include "GridNotifiersImpl.h"
27	#include "Opcodes.h"
28	#include "Log.h"
29	#include "UpdateMask.h"
30	#include "World.h"
31	#include "ObjectMgr.h"
32	#include "SpellMgr.h"
33	#include "Player.h"
34	#include "Pet.h"
35	#include "Unit.h"
36	#include "Spell.h"
37	#include "DynamicObject.h"
38	#include "SpellAuras.h"
39	#include "Group.h"
40	#include "UpdateData.h"
41	#include "MapManager.h"
42	#include "ObjectAccessor.h"
43	#include "CellImpl.h"
44	#include "Policies/SingletonImp.h"
45	#include "SharedDefines.h"
46	#include "Tools.h"
47	#include "LootMgr.h"
48	#include "VMapFactory.h"
49	#include "BattleGround.h"
50	#include "Util.h"
51
52	#define SPELL_CHANNEL_UPDATE_INTERVAL 1000
53
54	extern pEffect SpellEffects[TOTAL_SPELL_EFFECTS];
55
56	bool IsQuestTameSpell(uint32 spellId)
57	{
58	SpellEntry const *spellproto = sSpellStore.LookupEntry(spellId);
59	if (!spellproto) return false;
60
61	return spellproto->Effect[0] == SPELL_EFFECT_THREAT
62	&& spellproto->Effect[1] == SPELL_EFFECT_APPLY_AURA && spellproto->EffectApplyAuraName[1] == SPELL_AURA_DUMMY;
63	}
64
65	SpellCastTargets::SpellCastTargets()
66	{
67	m_unitTarget = NULL;
68	m_itemTarget = NULL;
69	m_GOTarget = NULL;
70
71	m_unitTargetGUID = 0;
72	m_GOTargetGUID = 0;
73	m_CorpseTargetGUID = 0;
74	m_itemTargetGUID = 0;
75	m_itemTargetEntry = 0;
76
77	m_srcX = m_srcY = m_srcZ = m_destX = m_destY = m_destZ = 0;
78	m_strTarget = "";
79	m_targetMask = 0;
80	}
81
82	SpellCastTargets::~SpellCastTargets()
83	{
84	}
85
86	void SpellCastTargets::setUnitTarget(Unit *target)
87	{
88	if (!target)
89	return;
90
91	m_destX = target->GetPositionX();
92	m_destY = target->GetPositionY();
93	m_destZ = target->GetPositionZ();
94	m_unitTarget = target;
95	m_unitTargetGUID = target->GetGUID();
96	m_targetMask \|= TARGET_FLAG_UNIT;
97	}
98
99	void SpellCastTargets::setDestination(float x, float y, float z)
100	{
101	m_destX = x;
102	m_destY = y;
103	m_destZ = z;
104	m_targetMask \|= TARGET_FLAG_DEST_LOCATION;
105	}
106
107	void SpellCastTargets::setGOTarget(GameObject *target)
108	{
109	m_GOTarget = target;
110	m_GOTargetGUID = target->GetGUID();
111	// m_targetMask \|= TARGET_FLAG_OBJECT;
112	}
113
114	void SpellCastTargets::setItemTarget(Item* item)
115	{
116	if(!item)
117	return;
118
119	m_itemTarget = item;
120	m_itemTargetGUID = item->GetGUID();
121	m_itemTargetEntry = item->GetEntry();
122	m_targetMask \|= TARGET_FLAG_ITEM;
123	}
124
125	void SpellCastTargets::setCorpseTarget(Corpse* corpse)
126	{
127	m_CorpseTargetGUID = corpse->GetGUID();
128	}
129
130	void SpellCastTargets::Update(Unit* caster)
131	{
132	m_GOTarget = m_GOTargetGUID ? ObjectAccessor::GetGameObject(*caster,m_GOTargetGUID) : NULL;
133	m_unitTarget = m_unitTargetGUID ?
134	( m_unitTargetGUID==caster->GetGUID() ? caster : ObjectAccessor::GetUnit(*caster, m_unitTargetGUID) ) :
135	NULL;
136
137	m_itemTarget = NULL;
138	if(caster->GetTypeId()==TYPEID_PLAYER)
139	{
140	if(m_targetMask & TARGET_FLAG_ITEM)
141	m_itemTarget = ((Player*)caster)->GetItemByGuid(m_itemTargetGUID);
142	else
143	{
144	Player* pTrader = ((Player*)caster)->GetTrader();
145	if(pTrader && m_itemTargetGUID < TRADE_SLOT_COUNT)
146	m_itemTarget = pTrader->GetItemByPos(pTrader->GetItemPosByTradeSlot(m_itemTargetGUID));
147	}
148	if(m_itemTarget)
149	m_itemTargetEntry = m_itemTarget->GetEntry();
150	}
151	}
152
153	bool SpellCastTargets::read ( WorldPacket * data, Unit *caster )
154	{
155	if(data->rpos()+4 > data->size())
156	return false;
157
158	*data >> m_targetMask;
159
160	if(m_targetMask == TARGET_FLAG_SELF)
161	{
162	m_destX = caster->GetPositionX();
163	m_destY = caster->GetPositionY();
164	m_destZ = caster->GetPositionZ();
165	m_unitTarget = caster;
166	m_unitTargetGUID = caster->GetGUID();
167	return true;
168	}
169	// TARGET_FLAG_UNK2 is used for non-combat pets, maybe other?
170	if( m_targetMask & (TARGET_FLAG_UNIT\|TARGET_FLAG_UNK2) )
171	if(!readGUID(*data, m_unitTargetGUID))
172	return false;
173
174	if( m_targetMask & ( TARGET_FLAG_OBJECT \| TARGET_FLAG_OBJECT_UNK ))
175	if(!readGUID(*data, m_GOTargetGUID))
176	return false;
177
178	if(( m_targetMask & ( TARGET_FLAG_ITEM \| TARGET_FLAG_TRADE_ITEM )) && caster->GetTypeId() == TYPEID_PLAYER)
179	if(!readGUID(*data, m_itemTargetGUID))
180	return false;
181
182	if( m_targetMask & TARGET_FLAG_SOURCE_LOCATION )
183	{
184	if(data->rpos()+4+4+4 > data->size())
185	return false;
186
187	*data >> m_srcX >> m_srcY >> m_srcZ;
188	if(!Trinity::IsValidMapCoord(m_srcX, m_srcY, m_srcZ))
189	return false;
190	}
191
192	if( m_targetMask & TARGET_FLAG_DEST_LOCATION )
193	{
194	if(data->rpos()+4+4+4 > data->size())
195	return false;
196
197	*data >> m_destX >> m_destY >> m_destZ;
198	if(!Trinity::IsValidMapCoord(m_destX, m_destY, m_destZ))
199	return false;
200	}
201
202	if( m_targetMask & TARGET_FLAG_STRING )
203	{
204	if(data->rpos()+1 > data->size())
205	return false;
206
207	*data >> m_strTarget;
208	}
209
210	if( m_targetMask & (TARGET_FLAG_CORPSE \| TARGET_FLAG_PVP_CORPSE ) )
211	if(!readGUID(*data, m_CorpseTargetGUID))
212	return false;
213
214	// find real units/GOs
215	Update(caster);
216	return true;
217	}
218
219	void SpellCastTargets::write ( WorldPacket * data )
220	{
221	*data << uint32(m_targetMask);
222
223	if( m_targetMask & ( TARGET_FLAG_UNIT \| TARGET_FLAG_PVP_CORPSE \| TARGET_FLAG_OBJECT \| TARGET_FLAG_CORPSE \| TARGET_FLAG_UNK2 ) )
224	{
225	if(m_targetMask & TARGET_FLAG_UNIT)
226	{
227	if(m_unitTarget)
228	data->append(m_unitTarget->GetPackGUID());
229	else
230	*data << uint8(0);
231	}
232	else if( m_targetMask & ( TARGET_FLAG_OBJECT \| TARGET_FLAG_OBJECT_UNK ) )
233	{
234	if(m_GOTarget)
235	data->append(m_GOTarget->GetPackGUID());
236	else
237	*data << uint8(0);
238	}
239	else if( m_targetMask & ( TARGET_FLAG_CORPSE \| TARGET_FLAG_PVP_CORPSE ) )
240	data->appendPackGUID(m_CorpseTargetGUID);
241	else
242	*data << uint8(0);
243	}
244
245	if( m_targetMask & ( TARGET_FLAG_ITEM \| TARGET_FLAG_TRADE_ITEM ) )
246	{
247	if(m_itemTarget)
248	data->append(m_itemTarget->GetPackGUID());
249	else
250	*data << uint8(0);
251	}
252
253	if( m_targetMask & TARGET_FLAG_SOURCE_LOCATION )
254	*data << m_srcX << m_srcY << m_srcZ;
255
256	if( m_targetMask & TARGET_FLAG_DEST_LOCATION )
257	*data << m_destX << m_destY << m_destZ;
258
259	if( m_targetMask & TARGET_FLAG_STRING )
260	*data << m_strTarget;
261	}
262
263	Spell::Spell( Unit* Caster, SpellEntry const info, bool triggered, uint64 originalCasterGUID, Spell* triggeringContainer )
264	{
265	ASSERT( Caster != NULL && info != NULL );
266	ASSERT( info == sSpellStore.LookupEntry( info->Id ) && "`info` must be pointer to sSpellStore element");
267
268	m_spellInfo = info;
269	m_caster = Caster;
270	m_selfContainer = NULL;
271	m_triggeringContainer = triggeringContainer;
272	m_magnetPair.first = false;
273	m_magnetPair.second = NULL;
274	m_deletable = true;
275	m_delayAtDamageCount = 0;
276
277	m_applyMultiplierMask = 0;
278
279	// Get data for type of attack
280	switch (m_spellInfo->DmgClass)
281	{
282	case SPELL_DAMAGE_CLASS_MELEE:
283	if (m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_REQ_OFFHAND)
284	m_attackType = OFF_ATTACK;
285	else
286	m_attackType = BASE_ATTACK;
287	break;
288	case SPELL_DAMAGE_CLASS_RANGED:
289	m_attackType = RANGED_ATTACK;
290	break;
291	default:
292	// Wands
293	if (m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_REQ_WAND)
294	m_attackType = RANGED_ATTACK;
295	else
296	m_attackType = BASE_ATTACK;
297	break;
298	}
299
300	m_spellSchoolMask = GetSpellSchoolMask(info); // Can be override for some spell (wand shoot for example)
301
302	if(m_attackType == RANGED_ATTACK)
303	{
304	// wand case
305	if((m_caster->getClassMask() & CLASSMASK_WAND_USERS) != 0 && m_caster->GetTypeId()==TYPEID_PLAYER)
306	{
307	if(Item* pItem = ((Player*)m_caster)->GetWeaponForAttack(RANGED_ATTACK))
308	m_spellSchoolMask = SpellSchoolMask(1 << pItem->GetProto()->Damage->DamageType);
309	}
310	}
311
312	if(originalCasterGUID)
313	m_originalCasterGUID = originalCasterGUID;
314	else
315	m_originalCasterGUID = m_caster->GetGUID();
316
317	if(m_originalCasterGUID==m_caster->GetGUID())
318	m_originalCaster = m_caster;
319	else
320	{
321	m_originalCaster = ObjectAccessor::GetUnit(*m_caster,m_originalCasterGUID);
322	if(m_originalCaster && !m_originalCaster->IsInWorld()) m_originalCaster = NULL;
323	}
324
325	for(int i=0; i <3; ++i)
326	m_currentBasePoints[i] = m_spellInfo->EffectBasePoints[i];
327
328	m_spellState = SPELL_STATE_NULL;
329
330	m_castPositionX = m_castPositionY = m_castPositionZ = 0;
331	m_TriggerSpells.clear();
332	m_IsTriggeredSpell = triggered;
333	//m_AreaAura = false;
334	m_CastItem = NULL;
335
336	unitTarget = NULL;
337	itemTarget = NULL;
338	gameObjTarget = NULL;
339	focusObject = NULL;
340	m_cast_count = 0;
341	m_triggeredByAuraSpell = NULL;
342
343	//Auto Shot & Shoot
344	if( m_spellInfo->AttributesEx2 == 0x000020 && !triggered )
345	m_autoRepeat = true;
346	else
347	m_autoRepeat = false;
348
349	m_powerCost = 0; // setup to correct value in Spell::prepare, don't must be used before.
350	m_casttime = 0; // setup to correct value in Spell::prepare, don't must be used before.
351	m_timer = 0; // will set to castime in preper
352
353	m_needAliveTargetMask = 0;
354
355	// determine reflection
356	m_canReflect = false;
357
358	if(m_spellInfo->DmgClass == SPELL_DAMAGE_CLASS_MAGIC && (m_spellInfo->AttributesEx2 & 0x4)==0)
359	{
360	for(int j=0;j<3;j++)
361	{
362	if (m_spellInfo->Effect[j]==0)
363	continue;
364
365	if(!IsPositiveTarget(m_spellInfo->EffectImplicitTargetA[j],m_spellInfo->EffectImplicitTargetB[j]))
366	m_canReflect = true;
367	else
368	m_canReflect = (m_spellInfo->AttributesEx & (1<<7)) ? true : false;
369
370	if(m_canReflect)
371	continue;
372	else
373	break;
374	}
375	}
376
377	CleanupTargetList();
378	}
379
380	Spell::~Spell()
381	{
382	}
383
384	void Spell::FillTargetMap()
385	{
386	// TODO: ADD the correct target FILLS!!!!!!
387
388	for(uint32 i=0;i<3;i++)
389	{
390	// not call for empty effect.
391	// Also some spells use not used effect targets for store targets for dummy effect in triggered spells
392	if(m_spellInfo->Effect[i]==0)
393	continue;
394
395	// targets for TARGET_SCRIPT_COORDINATES (A) and TARGET_SCRIPT filled in Spell::canCast call
396	if( m_spellInfo->EffectImplicitTargetA[i] == TARGET_SCRIPT_COORDINATES \|\|
397	m_spellInfo->EffectImplicitTargetA[i] == TARGET_SCRIPT \|\|
398	m_spellInfo->EffectImplicitTargetB[i] == TARGET_SCRIPT && m_spellInfo->EffectImplicitTargetA[i] != TARGET_SELF )
399	continue;
400
401	// TODO: find a way so this is not needed?
402	// for area auras always add caster as target (needed for totems for example)
403	if(IsAreaAuraEffect(m_spellInfo->Effect[i]))
404	AddUnitTarget(m_caster, i);
405
406	std::list<Unit*> tmpUnitMap;
407
408	// TargetA/TargetB dependent from each other, we not switch to full support this dependences
409	// but need it support in some know cases
410	switch(m_spellInfo->EffectImplicitTargetA[i])
411	{
412	case TARGET_ALL_AROUND_CASTER:
413	if( m_spellInfo->EffectImplicitTargetB[i]==TARGET_ALL_PARTY \|\|
414	m_spellInfo->EffectImplicitTargetB[i]==TARGET_ALL_FRIENDLY_UNITS_AROUND_CASTER \|\|
415	m_spellInfo->EffectImplicitTargetB[i]==TARGET_RANDOM_RAID_MEMBER )
416	{
417	SetTargetMap(i,m_spellInfo->EffectImplicitTargetB[i],tmpUnitMap);
418	}
419	// Note: this hack with search required until GO casting not implemented
420	// environment damage spells already have around enemies targeting but this not help in case not existed GO casting support
421	// currently each enemy selected explicitly and self cast damage
422	else if(m_spellInfo->EffectImplicitTargetB[i]==TARGET_ALL_ENEMY_IN_AREA && m_spellInfo->Effect[i]==SPELL_EFFECT_ENVIRONMENTAL_DAMAGE)
423	{
424	if(m_targets.getUnitTarget())
425	tmpUnitMap.push_back(m_targets.getUnitTarget());
426	}
427	else
428	{
429	SetTargetMap(i,m_spellInfo->EffectImplicitTargetA[i],tmpUnitMap);
430	SetTargetMap(i,m_spellInfo->EffectImplicitTargetB[i],tmpUnitMap);
431	}
432	break;
433	case TARGET_TABLE_X_Y_Z_COORDINATES:
434	// Only if target A, for target B (used in teleports) dest select in effect
435	SetTargetMap(i,m_spellInfo->EffectImplicitTargetA[i],tmpUnitMap);
436	break;
437	default:
438	switch(m_spellInfo->EffectImplicitTargetB[i])
439	{
440	case TARGET_SCRIPT_COORDINATES: // B case filled in canCast but we need fill unit list base at A case
441	SetTargetMap(i,m_spellInfo->EffectImplicitTargetA[i],tmpUnitMap);
442	break;
443	default:
444	SetTargetMap(i,m_spellInfo->EffectImplicitTargetA[i],tmpUnitMap);
445	SetTargetMap(i,m_spellInfo->EffectImplicitTargetB[i],tmpUnitMap);
446	break;
447	}
448	break;
449	}
450
451	if( (m_spellInfo->EffectImplicitTargetA[i]==0 \|\| m_spellInfo->EffectImplicitTargetA[i]==TARGET_EFFECT_SELECT) &&
452	(m_spellInfo->EffectImplicitTargetB[i]==0 \|\| m_spellInfo->EffectImplicitTargetB[i]==TARGET_EFFECT_SELECT) )
453	{
454	// add here custom effects that need default target.
455	// FOR EVERY TARGET TYPE THERE IS A DIFFERENT FILL!!
456	switch(m_spellInfo->Effect[i])
457	{
458	case SPELL_EFFECT_DUMMY:
459	{
460	switch(m_spellInfo->Id)
461	{
462	case 20577: // Cannibalize
463	{
464	// non-standard target selection
465	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
466	float max_range = GetSpellMaxRange(srange);
467
468	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
469	Cell cell(p);
470	cell.data.Part.reserved = ALL_DISTRICT;
471	cell.SetNoCreate();
472
473	WorldObject* result = NULL;
474
475	Trinity::CannibalizeObjectCheck u_check(m_caster, max_range);
476	Trinity::WorldObjectSearcher<Trinity::CannibalizeObjectCheck > searcher(result, u_check);
477
478	TypeContainerVisitor<Trinity::WorldObjectSearcher<Trinity::CannibalizeObjectCheck >, GridTypeMapContainer > grid_searcher(searcher);
479	CellLock<GridReadGuard> cell_lock(cell, p);
480	cell_lock->Visit(cell_lock, grid_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
481
482	if(!result)
483	{
484	TypeContainerVisitor<Trinity::WorldObjectSearcher<Trinity::CannibalizeObjectCheck >, WorldTypeMapContainer > world_searcher(searcher);
485	cell_lock->Visit(cell_lock, world_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
486	}
487
488	if(result)
489	{
490	switch(result->GetTypeId())
491	{
492	case TYPEID_UNIT:
493	case TYPEID_PLAYER:
494	tmpUnitMap.push_back((Unit*)result);
495	break;
496	case TYPEID_CORPSE:
497	m_targets.setCorpseTarget((Corpse*)result);
498	if(Player* owner = ObjectAccessor::FindPlayer(((Corpse*)result)->GetOwnerGUID()))
499	tmpUnitMap.push_back(owner);
500	break;
501	}
502	}
503	else
504	{
505	// clear cooldown at fail
506	if(m_caster->GetTypeId()==TYPEID_PLAYER)
507	{
508	((Player*)m_caster)->RemoveSpellCooldown(m_spellInfo->Id);
509
510	WorldPacket data(SMSG_CLEAR_COOLDOWN, (4+8));
511	data << uint32(m_spellInfo->Id);
512	data << uint64(m_caster->GetGUID());
513	((Player*)m_caster)->GetSession()->SendPacket(&data);
514	}
515
516	SendCastResult(SPELL_FAILED_NO_EDIBLE_CORPSES);
517	finish(false);
518	}
519	break;
520	}
521	default:
522	if(m_targets.getUnitTarget())
523	tmpUnitMap.push_back(m_targets.getUnitTarget());
524	break;
525	}
526	break;
527	}
528	case SPELL_EFFECT_RESURRECT:
529	case SPELL_EFFECT_PARRY:
530	case SPELL_EFFECT_BLOCK:
531	case SPELL_EFFECT_CREATE_ITEM:
532	case SPELL_EFFECT_TRIGGER_SPELL:
533	case SPELL_EFFECT_TRIGGER_MISSILE:
534	case SPELL_EFFECT_LEARN_SPELL:
535	case SPELL_EFFECT_SKILL_STEP:
536	case SPELL_EFFECT_PROFICIENCY:
537	case SPELL_EFFECT_SUMMON_POSSESSED:
538	case SPELL_EFFECT_SUMMON_OBJECT_WILD:
539	case SPELL_EFFECT_SELF_RESURRECT:
540	case SPELL_EFFECT_REPUTATION:
541	if(m_targets.getUnitTarget())
542	tmpUnitMap.push_back(m_targets.getUnitTarget());
543	break;
544	case SPELL_EFFECT_SUMMON_PLAYER:
545	if(m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->GetSelection())
546	{
547	Player* target = objmgr.GetPlayer(((Player*)m_caster)->GetSelection());
548	if(target)
549	tmpUnitMap.push_back(target);
550	}
551	break;
552	case SPELL_EFFECT_RESURRECT_NEW:
553	if(m_targets.getUnitTarget())
554	tmpUnitMap.push_back(m_targets.getUnitTarget());
555	if(m_targets.getCorpseTargetGUID())
556	{
557	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
558	if(corpse)
559	{
560	Player* owner = ObjectAccessor::FindPlayer(corpse->GetOwnerGUID());
561	if(owner)
562	tmpUnitMap.push_back(owner);
563	}
564	}
565	break;
566	case SPELL_EFFECT_SUMMON:
567	if(m_spellInfo->EffectMiscValueB[i] == SUMMON_TYPE_POSESSED \|\| m_spellInfo->EffectMiscValueB[i] == SUMMON_TYPE_POSESSED2)
568	{
569	if(m_targets.getUnitTarget())
570	tmpUnitMap.push_back(m_targets.getUnitTarget());
571	}
572	else
573	tmpUnitMap.push_back(m_caster);
574	break;
575	case SPELL_EFFECT_SUMMON_CHANGE_ITEM:
576	case SPELL_EFFECT_SUMMON_WILD:
577	case SPELL_EFFECT_SUMMON_GUARDIAN:
578	case SPELL_EFFECT_TRANS_DOOR:
579	case SPELL_EFFECT_ADD_FARSIGHT:
580	case SPELL_EFFECT_STUCK:
581	case SPELL_EFFECT_DESTROY_ALL_TOTEMS:
582	case SPELL_EFFECT_SUMMON_DEMON:
583	case SPELL_EFFECT_SKILL:
584	tmpUnitMap.push_back(m_caster);
585	break;
586	case SPELL_EFFECT_LEARN_PET_SPELL:
587	if(Pet* pet = m_caster->GetPet())
588	tmpUnitMap.push_back(pet);
589	break;
590	case SPELL_EFFECT_ENCHANT_ITEM:
591	case SPELL_EFFECT_ENCHANT_ITEM_TEMPORARY:
592	case SPELL_EFFECT_DISENCHANT:
593	case SPELL_EFFECT_FEED_PET:
594	case SPELL_EFFECT_PROSPECTING:
595	if(m_targets.getItemTarget())
596	AddItemTarget(m_targets.getItemTarget(), i);
597	break;
598	case SPELL_EFFECT_APPLY_AURA:
599	switch(m_spellInfo->EffectApplyAuraName[i])
600	{
601	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)
602	case SPELL_AURA_ADD_PCT_MODIFIER:
603	tmpUnitMap.push_back(m_caster);
604	break;
605	default: // apply to target in other case
606	if(m_targets.getUnitTarget())
607	tmpUnitMap.push_back(m_targets.getUnitTarget());
608	break;
609	}
610	break;
611	case SPELL_EFFECT_APPLY_AREA_AURA_PARTY:
612	// AreaAura
613	if(m_spellInfo->Attributes == 0x9050000 \|\| m_spellInfo->Attributes == 0x10000)
614	SetTargetMap(i,TARGET_AREAEFFECT_PARTY,tmpUnitMap);
615	break;
616	case SPELL_EFFECT_SKIN_PLAYER_CORPSE:
617	if(m_targets.getUnitTarget())
618	{
619	tmpUnitMap.push_back(m_targets.getUnitTarget());
620	}
621	else if (m_targets.getCorpseTargetGUID())
622	{
623	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
624	if(corpse)
625	{
626	Player* owner = ObjectAccessor::FindPlayer(corpse->GetOwnerGUID());
627	if(owner)
628	tmpUnitMap.push_back(owner);
629	}
630	}
631	break;
632	default:
633	break;
634	}
635	}
636	if(IsChanneledSpell(m_spellInfo) && !tmpUnitMap.empty())
637	m_needAliveTargetMask \|= (1<<i);
638
639	if(m_caster->GetTypeId() == TYPEID_PLAYER)
640	{
641	Player me = (Player)m_caster;
642	for (std::list<Unit*>::const_iterator itr = tmpUnitMap.begin(); itr != tmpUnitMap.end(); itr++)
643	{
644	Unit owner = (itr)->GetOwner();
645	Unit u = owner ? owner : (itr);
646	if(u!=m_caster && u->IsPvP() && (!me->duel \|\| me->duel->opponent != u))
647	{
648	me->UpdatePvP(true);
649	me->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_ENTER_PVP_COMBAT);
650	break;
651	}
652	}
653	}
654
655	for (std::list<Unit*>::iterator itr = tmpUnitMap.begin() ; itr != tmpUnitMap.end();)
656	{
657	if(!CheckTarget(*itr, i, false ))
658	{
659	itr = tmpUnitMap.erase(itr);
660	continue;
661	}
662	else
663	++itr;
664	}
665
666	for(std::list<Unit*>::iterator iunit= tmpUnitMap.begin();iunit != tmpUnitMap.end();++iunit)
667	AddUnitTarget((*iunit), i);
668	}
669	}
670
671	void Spell::CleanupTargetList()
672	{
673	m_UniqueTargetInfo.clear();
674	m_UniqueGOTargetInfo.clear();
675	m_UniqueItemInfo.clear();
676	m_countOfHit = 0;
677	m_countOfMiss = 0;
678	m_delayMoment = 0;
679	}
680
681	void Spell::AddUnitTarget(Unit* pVictim, uint32 effIndex)
682	{
683	if( m_spellInfo->Effect[effIndex]==0 )
684	return;
685
686	uint64 targetGUID = pVictim->GetGUID();
687
688	// Lookup target in already in list
689	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
690	{
691	if (targetGUID == ihit->targetGUID) // Found in list
692	{
693	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
694	return;
695	}
696	}
697
698	// This is new target calculate data for him
699
700	// Get spell hit result on target
701	TargetInfo target;
702	target.targetGUID = targetGUID; // Store target GUID
703	target.effectMask = 1<<effIndex; // Store index of effect
704	target.processed = false; // Effects not apply on target
705
706	// Calculate hit result
707	target.missCondition = m_caster->SpellHitResult(pVictim, m_spellInfo, m_canReflect);
708	if (target.missCondition == SPELL_MISS_NONE)
709	++m_countOfHit;
710	else
711	++m_countOfMiss;
712
713	// Spell have speed - need calculate incoming time
714	if (m_spellInfo->speed > 0.0f)
715	{
716	// calculate spell incoming interval
717	float dist = m_caster->GetDistance(pVictim->GetPositionX(), pVictim->GetPositionY(), pVictim->GetPositionZ());
718	if (dist < 5.0f) dist = 5.0f;
719	target.timeDelay = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
720
721	// Calculate minimum incoming time
722	if (m_delayMoment==0 \|\| m_delayMoment>target.timeDelay)
723	m_delayMoment = target.timeDelay;
724	}
725	else
726	target.timeDelay = 0LL;
727
728	// If target reflect spell back to caster
729	if (target.missCondition==SPELL_MISS_REFLECT)
730	{
731	// Calculate reflected spell result on caster
732	target.reflectResult = m_caster->SpellHitResult(m_caster, m_spellInfo, m_canReflect);
733
734	if (target.reflectResult == SPELL_MISS_REFLECT) // Impossible reflect again, so simply deflect spell
735	target.reflectResult = SPELL_MISS_PARRY;
736
737	// Increase time interval for reflected spells by 1.5
738	target.timeDelay+=target.timeDelay>>1;
739	}
740	else
741	target.reflectResult = SPELL_MISS_NONE;
742
743	// Add target to list
744	m_UniqueTargetInfo.push_back(target);
745	}
746
747	void Spell::AddUnitTarget(uint64 unitGUID, uint32 effIndex)
748	{
749	Unit* unit = m_caster->GetGUID()==unitGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, unitGUID);
750	if (unit)
751	AddUnitTarget(unit, effIndex);
752	}
753
754	void Spell::AddGOTarget(GameObject* pVictim, uint32 effIndex)
755	{
756	if( m_spellInfo->Effect[effIndex]==0 )
757	return;
758
759	uint64 targetGUID = pVictim->GetGUID();
760
761	// Lookup target in already in list
762	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
763	{
764	if (targetGUID == ihit->targetGUID) // Found in list
765	{
766	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
767	return;
768	}
769	}
770
771	// This is new target calculate data for him
772
773	GOTargetInfo target;
774	target.targetGUID = targetGUID;
775	target.effectMask = 1<<effIndex;
776	target.processed = false; // Effects not apply on target
777
778	// Spell have speed - need calculate incoming time
779	if (m_spellInfo->speed > 0.0f)
780	{
781	// calculate spell incoming interval
782	float dist = m_caster->GetDistance(pVictim->GetPositionX(), pVictim->GetPositionY(), pVictim->GetPositionZ());
783	if (dist < 5.0f) dist = 5.0f;
784	target.timeDelay = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
785	if (m_delayMoment==0 \|\| m_delayMoment>target.timeDelay)
786	m_delayMoment = target.timeDelay;
787	}
788	else
789	target.timeDelay = 0LL;
790
791	++m_countOfHit;
792
793	// Add target to list
794	m_UniqueGOTargetInfo.push_back(target);
795	}
796
797	void Spell::AddGOTarget(uint64 goGUID, uint32 effIndex)
798	{
799	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, goGUID);
800	if (go)
801	AddGOTarget(go, effIndex);
802	}
803
804	void Spell::AddItemTarget(Item* pitem, uint32 effIndex)
805	{
806	if( m_spellInfo->Effect[effIndex]==0 )
807	return;
808
809	// Lookup target in already in list
810	for(std::list<ItemTargetInfo>::iterator ihit= m_UniqueItemInfo.begin();ihit != m_UniqueItemInfo.end();++ihit)
811	{
812	if (pitem == ihit->item) // Found in list
813	{
814	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
815	return;
816	}
817	}
818
819	// This is new target add data
820
821	ItemTargetInfo target;
822	target.item = pitem;
823	target.effectMask = 1<<effIndex;
824	m_UniqueItemInfo.push_back(target);
825	}
826
827	void Spell::doTriggers(SpellMissInfo missInfo, uint32 damage, SpellSchoolMask damageSchoolMask, uint32 block, uint32 absorb, bool crit)
828	{
829	// Do triggers depends from hit result (triggers on hit do in effects)
830	// Set aura states depends from hit result
831	if (missInfo!=SPELL_MISS_NONE)
832	{
833	// Miss/dodge/parry/block only for melee based spells
834	// Resist only for magic based spells
835	switch (missInfo)
836	{
837	case SPELL_MISS_MISS:
838	if(m_caster->GetTypeId()== TYPEID_PLAYER)
839	((Player*)m_caster)->UpdateWeaponSkill(BASE_ATTACK);
840
841	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_MISS, m_spellInfo, m_IsTriggeredSpell);
842	break;
843	case SPELL_MISS_RESIST:
844	m_caster->ProcDamageAndSpell(unitTarget, PROC_FLAG_TARGET_RESISTS, PROC_FLAG_RESIST_SPELL, 0, damageSchoolMask, m_spellInfo, m_IsTriggeredSpell);
845	break;
846	case SPELL_MISS_DODGE:
847	if(unitTarget->GetTypeId() == TYPEID_PLAYER)
848	((Player*)unitTarget)->UpdateDefense();
849
850	// Overpower
851	if (m_caster->GetTypeId() == TYPEID_PLAYER && m_caster->getClass() == CLASS_WARRIOR)
852	{
853	((Player*) m_caster)->AddComboPoints(unitTarget, 1);
854	m_caster->StartReactiveTimer( REACTIVE_OVERPOWER );
855	}
856
857	// Riposte
858	if (unitTarget->getClass() != CLASS_ROGUE)
859	{
860	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
861	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
862	}
863
864	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_DODGE, m_spellInfo, m_IsTriggeredSpell);
865	break;
866	case SPELL_MISS_PARRY:
867	// Update victim defense ?
868	if(unitTarget->GetTypeId() == TYPEID_PLAYER)
869	((Player*)unitTarget)->UpdateDefense();
870	// Mongoose bite - set only Counterattack here
871	if (unitTarget->getClass() == CLASS_HUNTER)
872	{
873	unitTarget->ModifyAuraState(AURA_STATE_HUNTER_PARRY,true);
874	unitTarget->StartReactiveTimer( REACTIVE_HUNTER_PARRY );
875	}
876	else
877	{
878	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
879	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
880	}
881	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_PARRY, m_spellInfo, m_IsTriggeredSpell);
882	break;
883	case SPELL_MISS_BLOCK:
884	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
885	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
886
887	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_BLOCK, m_spellInfo, m_IsTriggeredSpell);
888	break;
889	// Trigger from this events not supported
890	case SPELL_MISS_EVADE:
891	case SPELL_MISS_IMMUNE:
892	case SPELL_MISS_IMMUNE2:
893	case SPELL_MISS_DEFLECT:
894	case SPELL_MISS_ABSORB:
895	// Trigger from reflects need do after get reflect result
896	case SPELL_MISS_REFLECT:
897	break;
898	default:
899	break;
900	}
901	}
902	}
903
904	void Spell::DoAllEffectOnTarget(TargetInfo *target)
905	{
906	if (target->processed) // Check target
907	return;
908	target->processed = true; // Target checked in apply effects procedure
909
910	// Get mask of effects for target
911	uint32 mask = target->effectMask;
912	if (mask == 0) // No effects
913	return;
914
915	Unit* unit = m_caster->GetGUID()==target->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster,target->targetGUID);
916	if (!unit)
917	return;
918
919	SpellMissInfo missInfo = target->missCondition;
920	// Need init unitTarget by default unit (can changed in code on reflect)
921	// Or on missInfo!=SPELL_MISS_NONE unitTarget undefined (but need in trigger subsystem)
922	unitTarget = unit;
923
924	if (missInfo==SPELL_MISS_NONE) // In case spell hit target, do all effect on that target
925	DoSpellHitOnUnit(unit, mask);
926	else if (missInfo == SPELL_MISS_REFLECT) // In case spell reflect from target, do all effect on caster (if hit)
927	{
928	if (target->reflectResult == SPELL_MISS_NONE) // If reflected spell hit caster -> do all effect on him
929	DoSpellHitOnUnit(m_caster, mask);
930	}
931
932	// Do triggers only on miss/resist/parry/dodge
933	if (missInfo!=SPELL_MISS_NONE)
934	doTriggers(missInfo);
935
936	// Call scripted function for AI if this spell is casted upon a creature (except pets)
937	if(IS_CREATURE_GUID(target->targetGUID))
938	{
939	// cast at creature (or GO) quest objectives update at successful cast finished (+channel finished)
940	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
941	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() && !IsChannelActive() )
942	((Player*)m_caster)->CastedCreatureOrGO(unit->GetEntry(),unit->GetGUID(),m_spellInfo->Id);
943
944	if(((Creature*)unit)->AI())
945	((Creature*)unit)->AI()->SpellHit(m_caster ,m_spellInfo);
946	}
947
948	if(m_caster->GetTypeId() == TYPEID_UNIT && ((Creature*)m_caster)->AI())
949	((Creature*)m_caster)->AI()->SpellHitTarget(unit, m_spellInfo);
950	}
951
952	void Spell::DoSpellHitOnUnit(Unit *unit, const uint32 effectMask)
953	{
954	if(!unit \|\| !effectMask)
955	return;
956
957	// remove spell_magnet aura after first spell redirect and destroy target if its totem
958	if(m_magnetPair.first && m_magnetPair.second && m_magnetPair.second == unit)
959	{
960	if(unit->GetTypeId() == TYPEID_UNIT && ((Creature*)unit)->isTotem())
961	unit->DealDamage(unit,unit->GetHealth(), NULL, DIRECT_DAMAGE, SPELL_SCHOOL_MASK_NORMAL, NULL, false);
962	return;
963	}
964
965	// Recheck immune (only for delayed spells)
966	if( m_spellInfo->speed && (
967	unit->IsImmunedToDamage(GetSpellSchoolMask(m_spellInfo),true) \|\|
968	unit->IsImmunedToSpell(m_spellInfo,true) ))
969	{
970	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_IMMUNE);
971	return;
972	}
973
974	if( m_caster != unit )
975	{
976	if( !m_caster->IsFriendlyTo(unit) )
977	{
978	// for delayed spells ignore not visible explicit target
979	if(m_spellInfo->speed > 0.0f && unit==m_targets.getUnitTarget() && !unit->isVisibleForOrDetect(m_caster,false))
980	{
981	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_EVADE);
982	return;
983	}
984
985	// exclude Arcane Missiles Dummy Aura aura for now (attack on hit)
986	// TODO: find way to not need this?
987	if(!(m_spellInfo->SpellFamilyName == SPELLFAMILY_MAGE &&
988	m_spellInfo->SpellFamilyFlags & 0x800LL))
989	{
990	unit->RemoveSpellsCausingAura(SPELL_AURA_MOD_STEALTH);
991
992	if( !(m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_NO_INITIAL_AGGRO) )
993	{
994	if(!unit->IsStandState() && !unit->hasUnitState(UNIT_STAT_STUNNED))
995	unit->SetStandState(PLAYER_STATE_NONE);
996
997	if(!unit->isInCombat() && unit->GetTypeId() != TYPEID_PLAYER && ((Creature*)unit)->AI())
998	((Creature*)unit)->AI()->AttackStart(m_caster);
999
1000	unit->SetInCombatWith(m_caster);
1001	m_caster->SetInCombatWith(unit);
1002
1003	if(Player *attackedPlayer = unit->GetCharmerOrOwnerPlayerOrPlayerItself())
1004	{
1005	m_caster->SetContestedPvP(attackedPlayer);
1006	}
1007	unit->AddThreat(m_caster, 0.0f);
1008	}
1009	}
1010	}
1011	else
1012	{
1013	// for delayed spells ignore negative spells (after duel end) for friendly targets
1014	if(m_spellInfo->speed > 0.0f && !IsPositiveSpell(m_spellInfo->Id))
1015	{
1016	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_EVADE);
1017	return;
1018	}
1019
1020	// assisting case, healing and resurrection
1021	if(unit->hasUnitState(UNIT_STAT_ATTACK_PLAYER))
1022	m_caster->SetContestedPvP();
1023	if( unit->isInCombat() && !(m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_NO_INITIAL_AGGRO) )
1024	{
1025	m_caster->SetInCombatState(unit->GetCombatTimer() > 0);
1026	unit->getHostilRefManager().threatAssist(m_caster, 0.0f);
1027	}
1028	}
1029	}
1030
1031	// Get Data Needed for Diminishing Returns, some effects may have multiple auras, so this must be done on spell hit, not aura add
1032	m_diminishGroup = GetDiminishingReturnsGroupForSpell(m_spellInfo,m_triggeredByAuraSpell);
1033	m_diminishLevel = unit->GetDiminishing(m_diminishGroup);
1034	// Increase Diminishing on unit, current informations for actually casts will use values above
1035	if((GetDiminishingReturnsGroupType(m_diminishGroup) == DRTYPE_PLAYER && unit->GetTypeId() == TYPEID_PLAYER) \|\| GetDiminishingReturnsGroupType(m_diminishGroup) == DRTYPE_ALL)
1036	unit->IncrDiminishing(m_diminishGroup);
1037
1038	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1039	{
1040	if (effectMask & (1<<effectNumber))
1041	{
1042	HandleEffects(unit,NULL,NULL,effectNumber,m_damageMultipliers[effectNumber]);
1043	if ( m_applyMultiplierMask & (1 << effectNumber) )
1044	{
1045	// Get multiplier
1046	float multiplier = m_spellInfo->DmgMultiplier[effectNumber];
1047	// Apply multiplier mods
1048	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
1049	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_EFFECT_PAST_FIRST, multiplier,this);
1050	m_damageMultipliers[effectNumber] *= multiplier;
1051	}
1052	}
1053	}
1054	}
1055
1056	void Spell::DoAllEffectOnTarget(GOTargetInfo *target)
1057	{
1058	if (target->processed) // Check target
1059	return;
1060	target->processed = true; // Target checked in apply effects procedure
1061
1062	uint32 effectMask = target->effectMask;
1063	if(!effectMask)
1064	return;
1065
1066	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, target->targetGUID);
1067	if(!go)
1068	return;
1069
1070	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1071	if (effectMask & (1<<effectNumber))
1072	HandleEffects(NULL,NULL,go,effectNumber);
1073
1074	// cast at creature (or GO) quest objectives update at successful cast finished (+channel finished)
1075	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
1076	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() && !IsChannelActive() )
1077	((Player*)m_caster)->CastedCreatureOrGO(go->GetEntry(),go->GetGUID(),m_spellInfo->Id);
1078	}
1079
1080	void Spell::DoAllEffectOnTarget(ItemTargetInfo *target)
1081	{
1082	uint32 effectMask = target->effectMask;
1083	if(!target->item \|\| !effectMask)
1084	return;
1085
1086	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1087	if (effectMask & (1<<effectNumber))
1088	HandleEffects(NULL, target->item, NULL, effectNumber);
1089	}
1090
1091	bool Spell::IsAliveUnitPresentInTargetList()
1092	{
1093	// Not need check return true
1094	if (m_needAliveTargetMask == 0)
1095	return true;
1096
1097	uint8 needAliveTargetMask = m_needAliveTargetMask;
1098
1099	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
1100	{
1101	if( ihit->missCondition == SPELL_MISS_NONE && (needAliveTargetMask & ihit->effectMask) )
1102	{
1103	Unit unit = m_caster->GetGUID()==ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
1104
1105	if (unit && unit->isAlive())
1106	needAliveTargetMask &= ~ihit->effectMask; // remove from need alive mask effect that have alive target
1107	}
1108	}
1109
1110	// is all effects from m_needAliveTargetMask have alive targets
1111	return needAliveTargetMask==0;
1112	}
1113
1114	// Helper for Chain Healing
1115	// Spell target first
1116	// Raidmates then descending by injury suffered (MaxHealth - Health)
1117	// Other players/mobs then descending by injury suffered (MaxHealth - Health)
1118	struct ChainHealingOrder : public std::binary_function<const Unit, const Unit, bool>
1119	{
1120	const Unit* MainTarget;
1121	ChainHealingOrder(Unit const* Target) : MainTarget(Target) {};
1122	// functor for operator ">"
1123	bool operator()(Unit const* _Left, Unit const* _Right) const
1124	{
1125	return (ChainHealingHash(_Left) < ChainHealingHash(_Right));
1126	}
1127	int32 ChainHealingHash(Unit const* Target) const
1128	{
1129	if (Target == MainTarget)
1130	return 0;
1131	else if (Target->GetTypeId() == TYPEID_PLAYER && MainTarget->GetTypeId() == TYPEID_PLAYER &&
1132	((Player const)Target)->IsInSameRaidWith((Player const)MainTarget))
1133	{
1134	if (Target->GetHealth() == Target->GetMaxHealth())
1135	return 40000;
1136	else
1137	return 20000 - Target->GetMaxHealth() + Target->GetHealth();
1138	}
1139	else
1140	return 40000 - Target->GetMaxHealth() + Target->GetHealth();
1141	}
1142	};
1143
1144	class ChainHealingFullHealth: std::unary_function<const Unit*, bool>
1145	{
1146	public:
1147	const Unit* MainTarget;
1148	ChainHealingFullHealth(const Unit* Target) : MainTarget(Target) {};
1149
1150	bool operator()(const Unit* Target)
1151	{
1152	return (Target != MainTarget && Target->GetHealth() == Target->GetMaxHealth());
1153	}
1154	};
1155
1156	// Helper for targets nearest to the spell target
1157	// The spell target is always first unless there is a target at _completely_ the same position (unbelievable case)
1158	struct TargetDistanceOrder : public std::binary_function<const Unit, const Unit, bool>
1159	{
1160	const Unit* MainTarget;
1161	TargetDistanceOrder(const Unit* Target) : MainTarget(Target) {};
1162	// functor for operator ">"
1163	bool operator()(const Unit* _Left, const Unit* _Right) const
1164	{
1165	return (MainTarget->GetDistance(_Left) < MainTarget->GetDistance(_Right));
1166	}
1167	};
1168
1169	void Spell::SetTargetMap(uint32 i,uint32 cur,std::list<Unit*> &TagUnitMap)
1170	{
1171	float radius;
1172	if (m_spellInfo->EffectRadiusIndex[i])
1173	radius = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
1174	else
1175	radius = GetSpellMaxRange(sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex));
1176
1177	if(m_originalCaster)
1178	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
1179	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_RADIUS, radius,this);
1180
1181	uint32 EffectChainTarget = m_spellInfo->EffectChainTarget[i];
1182	if(m_originalCaster)
1183	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
1184	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_JUMP_TARGETS, EffectChainTarget, this);
1185
1186	uint32 unMaxTargets = m_spellInfo->MaxAffectedTargets;
1187	switch(cur)
1188	{
1189	// destination around caster
1190	case TARGET_DEST_CASTER_FRONT_LEFT:
1191	case TARGET_DEST_CASTER_BACK_LEFT:
1192	case TARGET_DEST_CASTER_BACK_RIGHT:
1193	case TARGET_DEST_CASTER_FRONT_RIGHT:
1194	case TARGET_DEST_CASTER_FRONT:
1195	case TARGET_DEST_CASTER_BACK:
1196	case TARGET_DEST_CASTER_RIGHT:
1197	case TARGET_DEST_CASTER_LEFT:
1198	case TARGET_DEST_CASTER_RANDOM:
1199	case TARGET_DEST_CASTER_RADIUS:
1200	{
1201	float x, y, z, angle, dist;
1202
1203	if (m_spellInfo->EffectRadiusIndex[i])
1204	dist = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
1205	else
1206	dist = 3.0f;//do we need this?
1207	if (cur == TARGET_DEST_CASTER_RANDOM)
1208	dist *= rand_norm(); // This case we need to consider caster size
1209	else
1210	dist -= m_caster->GetObjectSize(); // Size is calculated in GetNearPoint(), but we do not need it
1211	//need a new function to remove this repeated work
1212
1213	switch(cur)
1214	{
1215	case TARGET_DEST_CASTER_FRONT_LEFT: angle = -M_PI/4; break;
1216	case TARGET_DEST_CASTER_BACK_LEFT: angle = -3*M_PI/4; break;
1217	case TARGET_DEST_CASTER_BACK_RIGHT: angle = 3*M_PI/4; break;
1218	case TARGET_DEST_CASTER_FRONT_RIGHT:angle = M_PI/4; break;
1219	case TARGET_DEST_CASTER_FRONT: angle = 0.0f; break;
1220	case TARGET_DEST_CASTER_BACK: angle = M_PI; break;
1221	case TARGET_DEST_CASTER_RIGHT: angle = M_PI/2; break;
1222	case TARGET_DEST_CASTER_LEFT: angle = -M_PI/2; break;
1223	default: angle = rand_norm()2M_PI; break;
1224	}
1225
1226	m_caster->GetClosePoint(x, y, z, 0, dist, angle);
1227	m_targets.setDestination(x, y, z); // do not know if has ground visual
1228	TagUnitMap.push_back(m_caster); // may remove this in the future, if unitmap is empty, push m_caster
1229	}break;
1230
1231	// destination around target
1232	case TARGET_DEST_TARGET_FRONT:
1233	case TARGET_DEST_TARGET_BACK:
1234	case TARGET_DEST_TARGET_RIGHT:
1235	case TARGET_DEST_TARGET_LEFT:
1236	case TARGET_DEST_TARGET_RANDOM:
1237	case TARGET_DEST_TARGET_RADIUS:
1238	{
1239	Unit *target = m_targets.getUnitTarget();
1240	if(!target)
1241	{
1242	sLog.outError("SPELL: no unit target for spell ID %u\n", m_spellInfo->Id);
1243	break;
1244	}
1245
1246	float x, y, z, angle, dist;
1247
1248	if (m_spellInfo->EffectRadiusIndex[i])
1249	dist = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
1250	else
1251	dist = 3.0f;//do we need this?
1252	if (cur == TARGET_DEST_TARGET_RANDOM)
1253	dist *= rand_norm(); // This case we need to consider caster size
1254	else
1255	dist -= target->GetObjectSize(); // Size is calculated in GetNearPoint(), but we do not need it
1256	//need a new function to remove this repeated work
1257
1258	switch(cur)
1259	{
1260	case TARGET_DEST_TARGET_FRONT: angle = 0.0f; break;
1261	case TARGET_DEST_TARGET_BACK: angle = M_PI; break;
1262	case TARGET_DEST_TARGET_RIGHT: angle = M_PI/2; break;
1263	case TARGET_DEST_TARGET_LEFT: angle = -M_PI/2; break;
1264	default: angle = rand_norm()2M_PI; break;
1265	}
1266
1267	target->GetClosePoint(x, y, z, 0, dist, angle);
1268	m_targets.setDestination(x, y, z); // do not know if has ground visual
1269	TagUnitMap.push_back(m_caster); // may remove this in the future, if unitmap is empty, push m_caster
1270	}break;
1271
1272	// destination around destination
1273	case TARGET_DEST_DEST_RANDOM:
1274	{
1275	if(!(m_targets.m_targetMask & TARGET_FLAG_DEST_LOCATION))
1276	{
1277	sLog.outError("SPELL: no destination for spell ID %u\n", m_spellInfo->Id);
1278	break;
1279	}
1280	float x, y, z, dist, px, py, pz;
1281	dist = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
1282	x = m_targets.m_destX;
1283	y = m_targets.m_destY;
1284	z = m_targets.m_destZ;
1285	m_caster->GetRandomPoint(x, y, z, dist, px, py, pz);
1286	m_targets.setDestination(px, py, pz);
1287	TagUnitMap.push_back(m_caster);
1288	}break;
1289	case TARGET_SELF2:
1290	{
1291	TagUnitMap.push_back(m_caster);
1292	}break;
1293
1294	case TARGET_SELF:
1295	case TARGET_AREAEFFECT_CUSTOM:
1296	case TARGET_AREAEFFECT_CUSTOM_2:
1297	{
1298	TagUnitMap.push_back(m_caster);
1299	break;
1300	}
1301	case TARGET_RANDOM_ENEMY_CHAIN_IN_AREA:
1302	{
1303	m_targets.m_targetMask = 0;
1304	unMaxTargets = EffectChainTarget;
1305	float max_range = radius + unMaxTargets * CHAIN_SPELL_JUMP_RADIUS;
1306
1307	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1308	Cell cell(p);
1309	cell.data.Part.reserved = ALL_DISTRICT;
1310	cell.SetNoCreate();
1311
1312	std::list<Unit *> tempUnitMap;
1313
1314	{
1315	Trinity::AnyAoETargetUnitInObjectRangeCheck u_check(m_caster, m_caster, max_range);
1316	Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck> searcher(tempUnitMap, u_check);
1317
1318	TypeContainerVisitor<Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck>, WorldTypeMapContainer > world_unit_searcher(searcher);
1319	TypeContainerVisitor<Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1320
1321	CellLock<GridReadGuard> cell_lock(cell, p);
1322	cell_lock->Visit(cell_lock, world_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1323	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1324	}
1325
1326	if(tempUnitMap.empty())
1327	break;
1328
1329	tempUnitMap.sort(TargetDistanceOrder(m_caster));
1330
1331	//Now to get us a random target that's in the initial range of the spell
1332	uint32 t = 0;
1333	std::list<Unit *>::iterator itr = tempUnitMap.begin();
1334	while(itr!= tempUnitMap.end() && (*itr)->GetDistance(m_caster) < radius)
1335	++t, ++itr;
1336
1337	if(!t)
1338	break;
1339
1340	itr = tempUnitMap.begin();
1341	std::advance(itr, rand()%t);
1342	Unit pUnitTarget = itr;
1343	TagUnitMap.push_back(pUnitTarget);
1344
1345	tempUnitMap.erase(itr);
1346
1347	tempUnitMap.sort(TargetDistanceOrder(pUnitTarget));
1348
1349	t = unMaxTargets - 1;
1350	Unit *prev = pUnitTarget;
1351	std::list<Unit*>::iterator next = tempUnitMap.begin();
1352
1353	while(t && next != tempUnitMap.end() )
1354	{
1355	if(prev->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
1356	break;
1357
1358	if(!prev->IsWithinLOSInMap(*next))
1359	{
1360	++next;
1361	continue;
1362	}
1363
1364	prev = *next;
1365	TagUnitMap.push_back(prev);
1366	tempUnitMap.erase(next);
1367	tempUnitMap.sort(TargetDistanceOrder(prev));
1368	next = tempUnitMap.begin();
1369
1370	--t;
1371	}
1372	}break;
1373	case TARGET_PET:
1374	{
1375	Pet* tmpUnit = m_caster->GetPet();
1376	if (!tmpUnit) break;
1377	TagUnitMap.push_back(tmpUnit);
1378	break;
1379	}
1380	case TARGET_CHAIN_DAMAGE:
1381	{
1382	if (EffectChainTarget <= 1)
1383	{
1384	Unit* pUnitTarget = SelectMagnetTarget();
1385	if(pUnitTarget)
1386	TagUnitMap.push_back(pUnitTarget);
1387	}
1388	else
1389	{
1390	Unit* pUnitTarget = m_targets.getUnitTarget();
1391	if(!pUnitTarget)
1392	break;
1393
1394	unMaxTargets = EffectChainTarget;
1395
1396	float max_range;
1397	if(m_spellInfo->DmgClass==SPELL_DAMAGE_CLASS_MELEE)
1398	max_range = radius; //
1399	else
1400	//FIXME: This very like horrible hack and wrong for most spells
1401	max_range = radius + unMaxTargets * CHAIN_SPELL_JUMP_RADIUS;
1402
1403	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1404	Cell cell(p);
1405	cell.data.Part.reserved = ALL_DISTRICT;
1406	cell.SetNoCreate();
1407
1408	Unit* originalCaster = GetOriginalCaster();
1409	if(originalCaster)
1410	{
1411	std::list<Unit *> tempUnitMap;
1412
1413	{
1414	Trinity::AnyAoETargetUnitInObjectRangeCheck u_check(pUnitTarget, originalCaster, max_range);
1415	Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck> searcher(tempUnitMap, u_check);
1416
1417	TypeContainerVisitor<Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck>, WorldTypeMapContainer > world_unit_searcher(searcher);
1418	TypeContainerVisitor<Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1419
1420	CellLock<GridReadGuard> cell_lock(cell, p);
1421	cell_lock->Visit(cell_lock, world_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1422	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1423	}
1424
1425	tempUnitMap.sort(TargetDistanceOrder(pUnitTarget));
1426
1427	if(tempUnitMap.empty())
1428	break;
1429
1430	if(*tempUnitMap.begin() == pUnitTarget)
1431	tempUnitMap.erase(tempUnitMap.begin());
1432
1433	TagUnitMap.push_back(pUnitTarget);
1434	uint32 t = unMaxTargets - 1;
1435	Unit *prev = pUnitTarget;
1436	std::list<Unit*>::iterator next = tempUnitMap.begin();
1437
1438	while(t && next != tempUnitMap.end() )
1439	{
1440	if(prev->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
1441	break;
1442
1443	if(!prev->IsWithinLOSInMap(*next))
1444	{
1445	++next;
1446	continue;
1447	}
1448
1449	prev = *next;
1450	TagUnitMap.push_back(prev);
1451	tempUnitMap.erase(next);
1452	tempUnitMap.sort(TargetDistanceOrder(prev));
1453	next = tempUnitMap.begin();
1454
1455	--t;
1456	}
1457	}
1458	}
1459	}break;
1460	case TARGET_ALL_ENEMY_IN_AREA:
1461	{
1462	}break;
1463	case TARGET_ALL_ENEMY_IN_AREA_INSTANT:
1464	{
1465	// targets the ground, not the units in the area
1466	if (m_spellInfo->Effect[i]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
1467	{
1468	CellPair p(Trinity::ComputeCellPair(m_targets.m_destX, m_targets.m_destY));
1469	Cell cell(p);
1470	cell.data.Part.reserved = ALL_DISTRICT;
1471	cell.SetNoCreate();
1472
1473	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_DEST_CENTER,SPELL_TARGETS_AOE_DAMAGE);
1474
1475	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1476	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1477
1478	CellLock<GridReadGuard> cell_lock(cell, p);
1479	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1480	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1481
1482	// exclude caster (this can be important if this not original caster)
1483	TagUnitMap.remove(m_caster);
1484	}
1485	}break;
1486	case TARGET_DUELVSPLAYER_COORDINATES:
1487	{
1488	if(Unit* currentTarget = m_targets.getUnitTarget())
1489	{
1490	m_targets.setDestination(currentTarget->GetPositionX(), currentTarget->GetPositionY(), currentTarget->GetPositionZ());
1491	TagUnitMap.push_back(currentTarget);
1492	}
1493	}break;
1494	case TARGET_ALL_PARTY_AROUND_CASTER:
1495	case TARGET_ALL_PARTY_AROUND_CASTER_2:
1496	case TARGET_ALL_PARTY:
1497	{
1498	Player *pTarget = m_caster->GetCharmerOrOwnerPlayerOrPlayerItself();
1499	Group *pGroup = pTarget ? pTarget->GetGroup() : NULL;
1500
1501	if(pGroup)
1502	{
1503	uint8 subgroup = pTarget->GetSubGroup();
1504
1505	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1506	{
1507	Player* Target = itr->getSource();
1508
1509	// IsHostileTo check duel and controlled by enemy
1510	if( Target && Target->GetSubGroup()==subgroup && !m_caster->IsHostileTo(Target) )
1511	{
1512	if( m_caster->IsWithinDistInMap(Target, radius) )
1513	TagUnitMap.push_back(Target);
1514
1515	if(Pet* pet = Target->GetPet())
1516	if( m_caster->IsWithinDistInMap(pet, radius) )
1517	TagUnitMap.push_back(pet);
1518	}
1519	}
1520	}
1521	else
1522	{
1523	Unit* ownerOrSelf = pTarget ? pTarget : m_caster->GetCharmerOrOwnerOrSelf();
1524	if(ownerOrSelf==m_caster \|\| m_caster->IsWithinDistInMap(ownerOrSelf, radius))
1525	TagUnitMap.push_back(ownerOrSelf);
1526	if(Pet* pet = ownerOrSelf->GetPet())
1527	if( m_caster->IsWithinDistInMap(pet, radius) )
1528	TagUnitMap.push_back(pet);
1529	}
1530	}break;
1531	case TARGET_RANDOM_RAID_MEMBER:
1532	{
1533	if (m_caster->GetTypeId() == TYPEID_PLAYER)
1534	if(Player* target = ((Player*)m_caster)->GetNextRandomRaidMember(radius))
1535	TagUnitMap.push_back(target);
1536	}break;
1537	case TARGET_SINGLE_FRIEND:
1538	case TARGET_SINGLE_FRIEND_2:
1539	{
1540	if(m_targets.getUnitTarget())
1541	TagUnitMap.push_back(m_targets.getUnitTarget());
1542	}break;
1543	case TARGET_NONCOMBAT_PET:
1544	{
1545	if(Unit* target = m_targets.getUnitTarget())
1546	if( target->GetTypeId() == TYPEID_UNIT && ((Creature)target)->isPet() && ((Pet)target)->getPetType() == MINI_PET)
1547	TagUnitMap.push_back(target);
1548	}break;
1549	case TARGET_ALL_AROUND_CASTER:
1550	{
1551	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1552	Cell cell(p);
1553	cell.data.Part.reserved = ALL_DISTRICT;
1554	cell.SetNoCreate();
1555
1556	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_SELF_CENTER,SPELL_TARGETS_AOE_DAMAGE);
1557
1558	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1559	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1560
1561	CellLock<GridReadGuard> cell_lock(cell, p);
1562	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1563	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1564	}break;
1565	case TARGET_ALL_FRIENDLY_UNITS_AROUND_CASTER:
1566	{
1567	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1568	Cell cell(p);
1569	cell.data.Part.reserved = ALL_DISTRICT;
1570	cell.SetNoCreate();
1571
1572	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_SELF_CENTER,SPELL_TARGETS_FRIENDLY);
1573
1574	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1575	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1576
1577	CellLock<GridReadGuard> cell_lock(cell, p);
1578	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1579	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1580	}break;
1581	case TARGET_ALL_FRIENDLY_UNITS_IN_AREA:
1582	{
1583	CellPair p(Trinity::ComputeCellPair(m_targets.m_destX, m_targets.m_destY));
1584	Cell cell(p);
1585	cell.data.Part.reserved = ALL_DISTRICT;
1586	cell.SetNoCreate();
1587
1588	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_DEST_CENTER,SPELL_TARGETS_FRIENDLY);
1589
1590	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1591	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1592
1593	CellLock<GridReadGuard> cell_lock(cell, p);
1594	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1595	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1596	}break;
1597	// 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..)
1598	case TARGET_SINGLE_PARTY:
1599	{
1600	Unit *target = m_targets.getUnitTarget();
1601	// Thoses spells apparently can't be casted on the caster.
1602	if( target && target != m_caster)
1603	{
1604	// Can only be casted on group's members or its pets
1605	Group *pGroup = NULL;
1606
1607	Unit* owner = m_caster->GetCharmerOrOwner();
1608	Unit *targetOwner = target->GetCharmerOrOwner();
1609	if(owner)
1610	{
1611	if(owner->GetTypeId() == TYPEID_PLAYER)
1612	{
1613	if( target == owner )
1614	{
1615	TagUnitMap.push_back(target);
1616	break;
1617	}
1618	pGroup = ((Player*)owner)->GetGroup();
1619	}
1620	}
1621	else if (m_caster->GetTypeId() == TYPEID_PLAYER)
1622	{
1623	if( targetOwner == m_caster && target->GetTypeId()==TYPEID_UNIT && ((Creature*)target)->isPet())
1624	{
1625	TagUnitMap.push_back(target);
1626	break;
1627	}
1628	pGroup = ((Player*)m_caster)->GetGroup();
1629	}
1630
1631	if(pGroup)
1632	{
1633	// Our target can also be a player's pet who's grouped with us or our pet. But can't be controlled player
1634	if(targetOwner)
1635	{
1636	if( targetOwner->GetTypeId() == TYPEID_PLAYER &&
1637	target->GetTypeId()==TYPEID_UNIT && (((Creature*)target)->isPet()) &&
1638	target->GetOwnerGUID()==targetOwner->GetGUID() &&
1639	pGroup->IsMember(((Player*)targetOwner)->GetGUID()))
1640	{
1641	TagUnitMap.push_back(target);
1642	}
1643	}
1644	// 1Our target can be a player who is on our group
1645	else if (target->GetTypeId() == TYPEID_PLAYER && pGroup->IsMember(((Player*)target)->GetGUID()))
1646	{
1647	TagUnitMap.push_back(target);
1648	}
1649	}
1650	}
1651	}break;
1652	case TARGET_GAMEOBJECT:
1653	{
1654	if(m_targets.getGOTarget())
1655	AddGOTarget(m_targets.getGOTarget(), i);
1656	}break;
1657	case TARGET_IN_FRONT_OF_CASTER:
1658	{
1659	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1660	Cell cell(p);
1661	cell.data.Part.reserved = ALL_DISTRICT;
1662	cell.SetNoCreate();
1663
1664	bool inFront = m_spellInfo->SpellVisual != 3879;
1665	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, inFront ? PUSH_IN_FRONT : PUSH_IN_BACK,SPELL_TARGETS_AOE_DAMAGE);
1666
1667	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1668	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1669
1670	CellLock<GridReadGuard> cell_lock(cell, p);
1671	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1672	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1673	}break;
1674	case TARGET_DUELVSPLAYER:
1675	{
1676	Unit *target = m_targets.getUnitTarget();
1677	if(target)
1678	{
1679	if(m_caster->IsFriendlyTo(target))
1680	{
1681	TagUnitMap.push_back(target);
1682	}
1683	else
1684	{
1685	Unit* pUnitTarget = SelectMagnetTarget();
1686	if(pUnitTarget)
1687	TagUnitMap.push_back(pUnitTarget);
1688	}
1689	}
1690	}break;
1691	case TARGET_GAMEOBJECT_ITEM:
1692	{
1693	if(m_targets.getGOTargetGUID())
1694	AddGOTarget(m_targets.getGOTarget(), i);
1695	else if(m_targets.getItemTarget())
1696	AddItemTarget(m_targets.getItemTarget(), i);
1697	break;
1698	}
1699	case TARGET_MASTER:
1700	{
1701	if(Unit* owner = m_caster->GetCharmerOrOwner())
1702	TagUnitMap.push_back(owner);
1703	break;
1704	}
1705	case TARGET_ALL_ENEMY_IN_AREA_CHANNELED:
1706	{
1707	// targets the ground, not the units in the area
1708	if (m_spellInfo->Effect[i]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
1709	{
1710	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1711	Cell cell(p);
1712	cell.data.Part.reserved = ALL_DISTRICT;
1713	cell.SetNoCreate();
1714
1715	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_DEST_CENTER,SPELL_TARGETS_AOE_DAMAGE);
1716
1717	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1718	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1719
1720	CellLock<GridReadGuard> cell_lock(cell, p);
1721	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1722	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1723	}
1724	}break;
1725	case TARGET_MINION:
1726	{
1727	if(m_spellInfo->Effect[i] != SPELL_EFFECT_DUEL)
1728	TagUnitMap.push_back(m_caster);
1729	}break;
1730	case TARGET_SINGLE_ENEMY:
1731	{
1732	Unit* pUnitTarget = SelectMagnetTarget();
1733	if(pUnitTarget)
1734	TagUnitMap.push_back(pUnitTarget);
1735	}break;
1736	case TARGET_AREAEFFECT_PARTY:
1737	{
1738	Unit* owner = m_caster->GetCharmerOrOwner();
1739	Player *pTarget = NULL;
1740
1741	if(owner)
1742	{
1743	TagUnitMap.push_back(m_caster);
1744	if(owner->GetTypeId() == TYPEID_PLAYER)
1745	pTarget = (Player*)owner;
1746	}
1747	else if (m_caster->GetTypeId() == TYPEID_PLAYER)
1748	{
1749	if(Unit* target = m_targets.getUnitTarget())
1750	{
1751	if( target->GetTypeId() != TYPEID_PLAYER)
1752	{
1753	if(((Creature*)target)->isPet())
1754	{
1755	Unit *targetOwner = target->GetOwner();
1756	if(targetOwner->GetTypeId() == TYPEID_PLAYER)
1757	pTarget = (Player*)targetOwner;
1758	}
1759	}
1760	else
1761	pTarget = (Player*)target;
1762	}
1763	}
1764
1765	Group* pGroup = pTarget ? pTarget->GetGroup() : NULL;
1766
1767	if(pGroup)
1768	{
1769	uint8 subgroup = pTarget->GetSubGroup();
1770
1771	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1772	{
1773	Player* Target = itr->getSource();
1774
1775	// IsHostileTo check duel and controlled by enemy
1776	if(Target && Target->GetSubGroup()==subgroup && !m_caster->IsHostileTo(Target))
1777	{
1778	if( pTarget->IsWithinDistInMap(Target, radius) )
1779	TagUnitMap.push_back(Target);
1780
1781	if(Pet* pet = Target->GetPet())
1782	if( pTarget->IsWithinDistInMap(pet, radius) )
1783	TagUnitMap.push_back(pet);
1784	}
1785	}
1786	}
1787	else if (owner)
1788	{
1789	if(m_caster->IsWithinDistInMap(owner, radius))
1790	TagUnitMap.push_back(owner);
1791	}
1792	else if(pTarget)
1793	{
1794	TagUnitMap.push_back(pTarget);
1795
1796	if(Pet* pet = pTarget->GetPet())
1797	if( m_caster->IsWithinDistInMap(pet, radius) )
1798	TagUnitMap.push_back(pet);
1799	}
1800
1801	}break;
1802	case TARGET_SCRIPT:
1803	{
1804	if(m_targets.getUnitTarget())
1805	TagUnitMap.push_back(m_targets.getUnitTarget());
1806	if(m_targets.getItemTarget())
1807	AddItemTarget(m_targets.getItemTarget(), i);
1808	}break;
1809	case TARGET_SELF_FISHING:
1810	{
1811	TagUnitMap.push_back(m_caster);
1812	}break;
1813	case TARGET_CHAIN_HEAL:
1814	{
1815	Unit* pUnitTarget = m_targets.getUnitTarget();
1816	if(!pUnitTarget)
1817	break;
1818
1819	if (EffectChainTarget <= 1)
1820	TagUnitMap.push_back(pUnitTarget);
1821	else
1822	{
1823	unMaxTargets = EffectChainTarget;
1824	float max_range = radius + unMaxTargets * CHAIN_SPELL_JUMP_RADIUS;
1825
1826	std::list<Unit *> tempUnitMap;
1827
1828	{
1829	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1830	Cell cell(p);
1831	cell.data.Part.reserved = ALL_DISTRICT;
1832	cell.SetNoCreate();
1833
1834	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, tempUnitMap, max_range, PUSH_SELF_CENTER, SPELL_TARGETS_FRIENDLY);
1835
1836	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1837	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1838
1839	CellLock<GridReadGuard> cell_lock(cell, p);
1840	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1841	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1842
1843	}
1844
1845	if(m_caster != pUnitTarget && std::find(tempUnitMap.begin(),tempUnitMap.end(),m_caster) == tempUnitMap.end() )
1846	tempUnitMap.push_front(m_caster);
1847
1848	tempUnitMap.sort(TargetDistanceOrder(pUnitTarget));
1849
1850	if(tempUnitMap.empty())
1851	break;
1852
1853	if(*tempUnitMap.begin() == pUnitTarget)
1854	tempUnitMap.erase(tempUnitMap.begin());
1855
1856	TagUnitMap.push_back(pUnitTarget);
1857	uint32 t = unMaxTargets - 1;
1858	Unit *prev = pUnitTarget;
1859	std::list<Unit*>::iterator next = tempUnitMap.begin();
1860
1861	while(t && next != tempUnitMap.end() )
1862	{
1863	if(prev->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
1864	break;
1865
1866	if(!prev->IsWithinLOSInMap(*next))
1867	{
1868	++next;
1869	continue;
1870	}
1871
1872	if((next)->GetHealth() == (next)->GetMaxHealth())
1873	{
1874	next = tempUnitMap.erase(next);
1875	continue;
1876	}
1877
1878	prev = *next;
1879	TagUnitMap.push_back(prev);
1880	tempUnitMap.erase(next);
1881	tempUnitMap.sort(TargetDistanceOrder(prev));
1882	next = tempUnitMap.begin();
1883
1884	--t;
1885	}
1886	}
1887	}break;
1888	case TARGET_CURRENT_ENEMY_COORDINATES:
1889	{
1890	Unit* currentTarget = m_targets.getUnitTarget();
1891	if(currentTarget)
1892	{
1893	TagUnitMap.push_back(currentTarget);
1894	m_targets.setDestination(currentTarget->GetPositionX(), currentTarget->GetPositionY(), currentTarget->GetPositionZ());
1895	if(m_spellInfo->EffectImplicitTargetB[i]==TARGET_ALL_ENEMY_IN_AREA_INSTANT)
1896	{
1897	CellPair p(Trinity::ComputeCellPair(currentTarget->GetPositionX(), currentTarget->GetPositionY()));
1898	Cell cell(p);
1899	cell.data.Part.reserved = ALL_DISTRICT;
1900	cell.SetNoCreate();
1901	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius,PUSH_TARGET_CENTER, SPELL_TARGETS_AOE_DAMAGE);
1902	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_notifier(notifier);
1903	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_notifier(notifier);
1904	CellLock<GridReadGuard> cell_lock(cell, p);
1905	cell_lock->Visit(cell_lock, world_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1906	cell_lock->Visit(cell_lock, grid_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1907	}
1908	}
1909	}break;
1910	case TARGET_AREAEFFECT_PARTY_AND_CLASS:
1911	{
1912	Player* targetPlayer = m_targets.getUnitTarget() && m_targets.getUnitTarget()->GetTypeId() == TYPEID_PLAYER
1913	? (Player*)m_targets.getUnitTarget() : NULL;
1914
1915	Group* pGroup = targetPlayer ? targetPlayer->GetGroup() : NULL;
1916	if(pGroup)
1917	{
1918	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1919	{
1920	Player* Target = itr->getSource();
1921
1922	// IsHostileTo check duel and controlled by enemy
1923	if( Target && targetPlayer->IsWithinDistInMap(Target, radius) &&
1924	targetPlayer->getClass() == Target->getClass() &&
1925	!m_caster->IsHostileTo(Target) )
1926	{
1927	TagUnitMap.push_back(Target);
1928	}
1929	}
1930	}
1931	else if(m_targets.getUnitTarget())
1932	TagUnitMap.push_back(m_targets.getUnitTarget());
1933	break;
1934	}
1935	case TARGET_TABLE_X_Y_Z_COORDINATES:
1936	{
1937	SpellTargetPosition const* st = spellmgr.GetSpellTargetPosition(m_spellInfo->Id);
1938	if(st)
1939	{
1940	if (st->target_mapId == m_caster->GetMapId())
1941	m_targets.setDestination(st->target_X, st->target_Y, st->target_Z);
1942
1943	// if B==TARGET_TABLE_X_Y_Z_COORDINATES then A already fill all required targets
1944	if (m_spellInfo->EffectImplicitTargetB[i] && m_spellInfo->EffectImplicitTargetB[i]!=TARGET_TABLE_X_Y_Z_COORDINATES)
1945	{
1946	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1947	Cell cell(p);
1948	cell.data.Part.reserved = ALL_DISTRICT;
1949	cell.SetNoCreate();
1950
1951	SpellTargets targetB = SPELL_TARGETS_AOE_DAMAGE;
1952	// Select friendly targets for positive effect
1953	if (IsPositiveEffect(m_spellInfo->Id, i))
1954	targetB = SPELL_TARGETS_FRIENDLY;
1955
1956	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius,PUSH_DEST_CENTER, targetB);
1957
1958	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_notifier(notifier);
1959	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_notifier(notifier);
1960
1961	CellLock<GridReadGuard> cell_lock(cell, p);
1962	cell_lock->Visit(cell_lock, world_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1963	cell_lock->Visit(cell_lock, grid_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1964	}
1965	}
1966	else
1967	sLog.outError( "SPELL: unknown target coordinates for spell ID %u\n", m_spellInfo->Id );
1968	}break;
1969	default:
1970	break;
1971	}
1972
1973	if (unMaxTargets && TagUnitMap.size() > unMaxTargets)
1974	{
1975	// make sure one unit is always removed per iteration
1976	uint32 removed_utarget = 0;
1977	for (std::list<Unit*>::iterator itr = TagUnitMap.begin(), next; itr != TagUnitMap.end(); itr = next)
1978	{
1979	next = itr;
1980	++next;
1981	if (!*itr) continue;
1982	if ((*itr) == m_targets.getUnitTarget())
1983	{
1984	TagUnitMap.erase(itr);
1985	removed_utarget = 1;
1986	// break;
1987	}
1988	}
1989	// remove random units from the map
1990	while (TagUnitMap.size() > unMaxTargets - removed_utarget)
1991	{
1992	uint32 poz = urand(0, TagUnitMap.size()-1);
1993	for (std::list<Unit*>::iterator itr = TagUnitMap.begin(); itr != TagUnitMap.end(); ++itr, --poz)
1994	{
1995	if (!*itr) continue;
1996	if (!poz)
1997	{
1998	TagUnitMap.erase(itr);
1999	break;
2000	}
2001	}
2002	}
2003	// the player's target will always be added to the map
2004	if (removed_utarget && m_targets.getUnitTarget())
2005	TagUnitMap.push_back(m_targets.getUnitTarget());
2006	}
2007	}
2008
2009	void Spell::prepare(SpellCastTargets * targets, Aura* triggeredByAura)
2010	{
2011	m_targets = *targets;
2012
2013	m_spellState = SPELL_STATE_PREPARING;
2014
2015	m_castPositionX = m_caster->GetPositionX();
2016	m_castPositionY = m_caster->GetPositionY();
2017	m_castPositionZ = m_caster->GetPositionZ();
2018	m_castOrientation = m_caster->GetOrientation();
2019
2020	if(triggeredByAura)
2021	m_triggeredByAuraSpell = triggeredByAura->GetSpellProto();
2022
2023	// create and add update event for this spell
2024	SpellEvent* Event = new SpellEvent(this);
2025	m_caster->m_Events.AddEvent(Event, m_caster->m_Events.CalculateTime(1));
2026
2027	//Prevent casting at cast another spell (ServerSide check)
2028	if(m_caster->IsNonMeleeSpellCasted(false, true) && m_cast_count)
2029	{
2030	SendCastResult(SPELL_FAILED_SPELL_IN_PROGRESS);
2031	finish(false);
2032	return;
2033	}
2034
2035	if(m_caster->GetTypeId() == TYPEID_PLAYER \|\| (m_caster->GetTypeId() == TYPEID_UNIT && ((Creature*)m_caster)->isPet()))
2036	{
2037	if(objmgr.IsPlayerSpellDisabled(m_spellInfo->Id))
2038	{
2039	SendCastResult(SPELL_FAILED_SPELL_UNAVAILABLE);
2040	finish(false);
2041	return;
2042	}
2043	}
2044	else
2045	{
2046	if(objmgr.IsCreatureSpellDisabled(m_spellInfo->Id))
2047	{
2048	finish(false);
2049	return;
2050	}
2051	}
2052
2053	// Fill cost data
2054	m_powerCost = CalculatePowerCost();
2055
2056	uint8 result = CanCast(true);
2057	if(result != 0 && !IsAutoRepeat()) //always cast autorepeat dummy for triggering
2058	{
2059	if(triggeredByAura)
2060	{
2061	SendChannelUpdate(0);
2062	triggeredByAura->SetAuraDuration(0);
2063	}
2064	SendCastResult(result);
2065	finish(false);
2066	return;
2067	}
2068
2069	// calculate cast time (calculated after first CanCast check to prevent charge counting for first CanCast fail)
2070	m_casttime = GetSpellCastTime(m_spellInfo, this);
2071
2072	// set timer base at cast time
2073	ReSetTimer();
2074
2075	// stealth must be removed at cast starting (at show channel bar)
2076	// skip triggered spell (item equip spell casting and other not explicit character casts/item uses)
2077	if ( !m_IsTriggeredSpell && isSpellBreakStealth(m_spellInfo) )
2078	{
2079	m_caster->RemoveSpellsCausingAura(SPELL_AURA_MOD_STEALTH);
2080	m_caster->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
2081	}
2082
2083	if(m_IsTriggeredSpell)
2084	cast(true);
2085	else
2086	{
2087	m_caster->SetCurrentCastedSpell( this );
2088	m_selfContainer = &(m_caster->m_currentSpells[GetCurrentContainer()]);
2089	SendSpellStart();
2090	}
2091	}
2092
2093	void Spell::cancel()
2094	{
2095	if(m_spellState == SPELL_STATE_FINISHED)
2096	return;
2097
2098	m_autoRepeat = false;
2099	switch (m_spellState)
2100	{
2101	case SPELL_STATE_PREPARING:
2102	case SPELL_STATE_DELAYED:
2103	{
2104	SendInterrupted(0);
2105	SendCastResult(SPELL_FAILED_INTERRUPTED);
2106	} break;
2107
2108	case SPELL_STATE_CASTING:
2109	{
2110	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2111	{
2112	if( ihit->missCondition == SPELL_MISS_NONE )
2113	{
2114	Unit* unit = m_caster->GetGUID()==(ihit).targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
2115	if( unit && unit->isAlive() )
2116	unit->RemoveAurasDueToSpell(m_spellInfo->Id);
2117	}
2118	}
2119
2120	m_caster->RemoveAurasDueToSpell(m_spellInfo->Id);
2121	SendChannelUpdate(0);
2122	SendInterrupted(0);
2123	SendCastResult(SPELL_FAILED_INTERRUPTED);
2124	} break;
2125
2126	default:
2127	{
2128	} break;
2129	}
2130
2131	finish(false);
2132	m_caster->RemoveDynObject(m_spellInfo->Id);
2133	m_caster->RemoveGameObject(m_spellInfo->Id,true);
2134	}
2135
2136	void Spell::cast(bool skipCheck)
2137	{
2138	uint8 castResult = 0;
2139
2140	// update pointers base at GUIDs to prevent access to non-existed already object
2141	UpdatePointers();
2142
2143	// cancel at lost main target unit
2144	if(!m_targets.getUnitTarget() && m_targets.getUnitTargetGUID() && m_targets.getUnitTargetGUID() != m_caster->GetGUID())
2145	{
2146	cancel();
2147	return;
2148	}
2149
2150	if(m_caster->GetTypeId() != TYPEID_PLAYER && m_targets.getUnitTarget() && m_targets.getUnitTarget() != m_caster)
2151	m_caster->SetInFront(m_targets.getUnitTarget());
2152
2153	castResult = CheckPower();
2154	if(castResult != 0)
2155	{
2156	SendCastResult(castResult);
2157	finish(false);
2158	return;
2159	}
2160
2161	// triggered cast called from Spell::prepare where it was already checked
2162	if(!skipCheck)
2163	{
2164	castResult = CanCast(false);
2165	if(castResult != 0)
2166	{
2167	SendCastResult(castResult);
2168	finish(false);
2169	return;
2170	}
2171	}
2172
2173	// Conflagrate - consumes immolate
2174	if ((m_spellInfo->TargetAuraState == AURA_STATE_IMMOLATE) && m_targets.getUnitTarget())
2175	{
2176	// for caster applied auras only
2177	Unit::AuraList const &mPeriodic = m_targets.getUnitTarget()->GetAurasByType(SPELL_AURA_PERIODIC_DAMAGE);
2178	for(Unit::AuraList::const_iterator i = mPeriodic.begin(); i != mPeriodic.end(); ++i)
2179	{
2180	if( (i)->GetSpellProto()->SpellFamilyName == SPELLFAMILY_WARLOCK && ((i)->GetSpellProto()->SpellFamilyFlags & 4) &&
2181	(*i)->GetCasterGUID()==m_caster->GetGUID() )
2182	{
2183	m_targets.getUnitTarget()->RemoveAura((i)->GetId(), (i)->GetEffIndex());
2184	break;
2185	}
2186	}
2187	}
2188
2189	// traded items have trade slot instead of guid in m_itemTargetGUID
2190	// set to real guid to be sent later to the client
2191	m_targets.updateTradeSlotItem();
2192
2193	// CAST SPELL
2194	SendSpellCooldown();
2195
2196	TakePower();
2197	TakeReagents(); // we must remove reagents before HandleEffects to allow place crafted item in same slot
2198	FillTargetMap();
2199
2200	if(m_spellState == SPELL_STATE_FINISHED) // stop cast if spell marked as finish somewhere in Take*/FillTargetMap
2201	return;
2202
2203	SendCastResult(castResult);
2204	SendSpellGo(); // we must send smsg_spell_go packet before m_castItem delete in TakeCastItem()...
2205
2206	// Pass cast spell event to handler (not send triggered by aura spells)
2207	if (m_spellInfo->DmgClass != SPELL_DAMAGE_CLASS_MELEE && m_spellInfo->DmgClass != SPELL_DAMAGE_CLASS_RANGED && !m_triggeredByAuraSpell)
2208	{
2209	m_caster->ProcDamageAndSpell(m_targets.getUnitTarget(), PROC_FLAG_CAST_SPELL, PROC_FLAG_NONE, 0, SPELL_SCHOOL_MASK_NONE, m_spellInfo, m_IsTriggeredSpell);
2210
2211	// update pointers base at GUIDs to prevent access to non-existed already object
2212	UpdatePointers(); // pointers can be invalidate at triggered spell casting
2213	}
2214
2215	// Okay, everything is prepared. Now we need to distinguish between immediate and evented delayed spells
2216	if (m_spellInfo->speed > 0.0f)
2217	{
2218
2219	// Remove used for cast item if need (it can be already NULL after TakeReagents call
2220	// in case delayed spell remove item at cast delay start
2221	TakeCastItem();
2222
2223	// Okay, maps created, now prepare flags
2224	m_immediateHandled = false;
2225	m_spellState = SPELL_STATE_DELAYED;
2226	SetDelayStart(0);
2227	}
2228	else
2229	{
2230	// Immediate spell, no big deal
2231	handle_immediate();
2232	}
2233	}
2234
2235	void Spell::handle_immediate()
2236	{
2237	// start channeling if applicable
2238	if(IsChanneledSpell(m_spellInfo))
2239	{
2240	m_spellState = SPELL_STATE_CASTING;
2241	SendChannelStart(GetSpellDuration(m_spellInfo));
2242	}
2243
2244	// process immediate effects (items, ground, etc.) also initialize some variables
2245	_handle_immediate_phase();
2246
2247	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2248	DoAllEffectOnTarget(&(*ihit));
2249
2250	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
2251	DoAllEffectOnTarget(&(*ihit));
2252
2253	// spell is finished, perform some last features of the spell here
2254	_handle_finish_phase();
2255
2256	// Remove used for cast item if need (it can be already NULL after TakeReagents call
2257	TakeCastItem();
2258
2259	if(m_spellState != SPELL_STATE_CASTING)
2260	finish(true); // successfully finish spell cast (not last in case autorepeat or channel spell)
2261	}
2262
2263	uint64 Spell::handle_delayed(uint64 t_offset)
2264	{
2265	uint64 next_time = 0;
2266
2267	if (!m_immediateHandled)
2268	{
2269	_handle_immediate_phase();
2270	m_immediateHandled = true;
2271	}
2272
2273	// 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)
2274	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin(); ihit != m_UniqueTargetInfo.end();++ihit)
2275	{
2276	if (ihit->processed == false)
2277	{
2278	if ( ihit->timeDelay <= t_offset )
2279	DoAllEffectOnTarget(&(*ihit));
2280	else if( next_time == 0 \|\| ihit->timeDelay < next_time )
2281	next_time = ihit->timeDelay;
2282	}
2283	}
2284
2285	// now recheck gameobject targeting correctness
2286	for(std::list<GOTargetInfo>::iterator ighit= m_UniqueGOTargetInfo.begin(); ighit != m_UniqueGOTargetInfo.end();++ighit)
2287	{
2288	if (ighit->processed == false)
2289	{
2290	if ( ighit->timeDelay <= t_offset )
2291	DoAllEffectOnTarget(&(*ighit));
2292	else if( next_time == 0 \|\| ighit->timeDelay < next_time )
2293	next_time = ighit->timeDelay;
2294	}
2295	}
2296	// All targets passed - need finish phase
2297	if (next_time == 0)
2298	{
2299	// spell is finished, perform some last features of the spell here
2300	_handle_finish_phase();
2301
2302	finish(true); // successfully finish spell cast
2303
2304	// return zero, spell is finished now
2305	return 0;
2306	}
2307	else
2308	{
2309	// spell is unfinished, return next execution time
2310	return next_time;
2311	}
2312	}
2313
2314	void Spell::_handle_immediate_phase()
2315	{
2316	// handle some immediate features of the spell here
2317	HandleThreatSpells(m_spellInfo->Id);
2318
2319	m_needSpellLog = IsNeedSendToClient();
2320	for(uint32 j = 0;j<3;j++)
2321	{
2322	if(m_spellInfo->Effect[j]==0)
2323	continue;
2324
2325	// apply Send Event effect to ground in case empty target lists
2326	if( m_spellInfo->Effect[j] == SPELL_EFFECT_SEND_EVENT && !HaveTargetsForEffect(j) )
2327	{
2328	HandleEffects(NULL,NULL,NULL, j);
2329	continue;
2330	}
2331
2332	// Don't do spell log, if is school damage spell
2333	if(m_spellInfo->Effect[j] == SPELL_EFFECT_SCHOOL_DAMAGE \|\| m_spellInfo->Effect[j] == 0)
2334	m_needSpellLog = false;
2335
2336	uint32 EffectChainTarget = m_spellInfo->EffectChainTarget[j];
2337	if(m_originalCaster)
2338	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
2339	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_JUMP_TARGETS, EffectChainTarget, this);
2340
2341	// initialize multipliers
2342	m_damageMultipliers[j] = 1.0f;
2343	if( (m_spellInfo->EffectImplicitTargetA[j] == TARGET_CHAIN_DAMAGE \|\| m_spellInfo->EffectImplicitTargetA[j] == TARGET_CHAIN_HEAL) &&
2344	(EffectChainTarget > 1) )
2345	m_applyMultiplierMask \|= 1 << j;
2346	}
2347
2348	// initialize Diminishing Returns Data
2349	m_diminishLevel = DIMINISHING_LEVEL_1;
2350	m_diminishGroup = DIMINISHING_NONE;
2351
2352	// process items
2353	for(std::list<ItemTargetInfo>::iterator ihit= m_UniqueItemInfo.begin();ihit != m_UniqueItemInfo.end();++ihit)
2354	DoAllEffectOnTarget(&(*ihit));
2355
2356	// process ground
2357	for(uint32 j = 0;j<3;j++)
2358	{
2359	// persistent area auras target only the ground
2360	if(m_spellInfo->Effect[j] == SPELL_EFFECT_PERSISTENT_AREA_AURA)
2361	HandleEffects(NULL,NULL,NULL, j);
2362	}
2363	}
2364
2365	void Spell::_handle_finish_phase()
2366	{
2367	// spell log
2368	if(m_needSpellLog)
2369	SendLogExecute();
2370	}
2371
2372	void Spell::SendSpellCooldown()
2373	{
2374	if(m_caster->GetTypeId() != TYPEID_PLAYER)
2375	return;
2376
2377	Player* _player = (Player*)m_caster;
2378	// Add cooldown for max (disable spell)
2379	// Cooldown started on SendCooldownEvent call
2380	if (m_spellInfo->Attributes & SPELL_ATTR_DISABLED_WHILE_ACTIVE)
2381	{
2382	_player->AddSpellCooldown(m_spellInfo->Id, 0, time(NULL) - 1);
2383	return;
2384	}
2385
2386	// init cooldown values
2387	uint32 cat = 0;
2388	int32 rec = -1;
2389	int32 catrec = -1;
2390
2391	// some special item spells without correct cooldown in SpellInfo
2392	// cooldown information stored in item prototype
2393	// This used in same way in WorldSession::HandleItemQuerySingleOpcode data sending to client.
2394
2395	if(m_CastItem)
2396	{
2397	ItemPrototype const* proto = m_CastItem->GetProto();
2398	if(proto)
2399	{
2400	for(int idx = 0; idx < 5; ++idx)
2401	{
2402	if(proto->Spells[idx].SpellId == m_spellInfo->Id)
2403	{
2404	cat = proto->Spells[idx].SpellCategory;
2405	rec = proto->Spells[idx].SpellCooldown;
2406	catrec = proto->Spells[idx].SpellCategoryCooldown;
2407	break;
2408	}
2409	}
2410	}
2411	}
2412
2413	// if no cooldown found above then base at DBC data
2414	if(rec < 0 && catrec < 0)
2415	{
2416	cat = m_spellInfo->Category;
2417	rec = m_spellInfo->RecoveryTime;
2418	catrec = m_spellInfo->CategoryRecoveryTime;
2419	}
2420
2421	// shoot spells used equipped item cooldown values already assigned in GetAttackTime(RANGED_ATTACK)
2422	// prevent 0 cooldowns set by another way
2423	if (rec <= 0 && catrec <= 0 && (cat == 76 \|\| cat == 351))
2424	rec = _player->GetAttackTime(RANGED_ATTACK);
2425
2426	// Now we have cooldown data (if found any), time to apply mods
2427	if(rec > 0)
2428	_player->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COOLDOWN, rec, this);
2429
2430	if(catrec > 0)
2431	_player->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COOLDOWN, catrec, this);
2432
2433	// replace negative cooldowns by 0
2434	if (rec < 0) rec = 0;
2435	if (catrec < 0) catrec = 0;
2436
2437	// no cooldown after applying spell mods
2438	if( rec == 0 && catrec == 0)
2439	return;
2440
2441	time_t curTime = time(NULL);
2442
2443	time_t catrecTime = catrec ? curTime+catrec/1000 : 0; // in secs
2444	time_t recTime = rec ? curTime+rec/1000 : catrecTime;// in secs
2445
2446	// self spell cooldown
2447	if(recTime > 0)
2448	_player->AddSpellCooldown(m_spellInfo->Id, m_CastItem ? m_CastItem->GetEntry() : 0, recTime);
2449
2450	// category spells
2451	if (catrec > 0)
2452	{
2453	SpellCategoryStore::const_iterator i_scstore = sSpellCategoryStore.find(cat);
2454	if(i_scstore != sSpellCategoryStore.end())
2455	{
2456	for(SpellCategorySet::const_iterator i_scset = i_scstore->second.begin(); i_scset != i_scstore->second.end(); ++i_scset)
2457	{
2458	if(*i_scset == m_spellInfo->Id) // skip main spell, already handled above
2459	continue;
2460
2461	_player->AddSpellCooldown(m_spellInfo->Id, m_CastItem ? m_CastItem->GetEntry() : 0, catrecTime);
2462	}
2463	}
2464	}
2465	}
2466
2467	void Spell::update(uint32 difftime)
2468	{
2469	// update pointers based at it's GUIDs
2470	UpdatePointers();
2471
2472	if(m_targets.getUnitTargetGUID() && !m_targets.getUnitTarget())
2473	{
2474	cancel();
2475	return;
2476	}
2477
2478	// check if the player caster has moved before the spell finished
2479	if ((m_caster->GetTypeId() == TYPEID_PLAYER && m_timer != 0) &&
2480	(m_castPositionX != m_caster->GetPositionX() \|\| m_castPositionY != m_caster->GetPositionY() \|\| m_castPositionZ != m_caster->GetPositionZ()) &&
2481	(m_spellInfo->Effect[0] != SPELL_EFFECT_STUCK \|\| !m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING)))
2482	{
2483	// always cancel for channeled spells
2484	if( m_spellState == SPELL_STATE_CASTING )
2485	cancel();
2486	// don't cancel for melee, autorepeat, triggered and instant spells
2487	else if(!IsNextMeleeSwingSpell() && !IsAutoRepeat() && !m_IsTriggeredSpell && (m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_MOVEMENT))
2488	cancel();
2489	}
2490
2491	switch(m_spellState)
2492	{
2493	case SPELL_STATE_PREPARING:
2494	{
2495	if(m_timer)
2496	{
2497	if(difftime >= m_timer)
2498	m_timer = 0;
2499	else
2500	m_timer -= difftime;
2501	}
2502
2503	if(m_timer == 0 && !IsNextMeleeSwingSpell() && !IsAutoRepeat())
2504	cast();
2505	} break;
2506	case SPELL_STATE_CASTING:
2507	{
2508	if(m_timer > 0)
2509	{
2510	if( m_caster->GetTypeId() == TYPEID_PLAYER )
2511	{
2512	// check if player has jumped before the channeling finished
2513	if(m_caster->HasUnitMovementFlag(MOVEMENTFLAG_JUMPING))
2514	cancel();
2515
2516	// check for incapacitating player states
2517	if( m_caster->hasUnitState(UNIT_STAT_STUNNED \| UNIT_STAT_CONFUSED))
2518	cancel();
2519
2520	// check if player has turned if flag is set
2521	if( m_spellInfo->ChannelInterruptFlags & CHANNEL_FLAG_TURNING && m_castOrientation != m_caster->GetOrientation() )
2522	cancel();
2523	}
2524
2525	// check if there are alive targets left
2526	if (!IsAliveUnitPresentInTargetList())
2527	{
2528	SendChannelUpdate(0);
2529	finish();
2530	}
2531
2532	if(difftime >= m_timer)
2533	m_timer = 0;
2534	else
2535	m_timer -= difftime;
2536	}
2537
2538	if(m_timer == 0)
2539	{
2540	SendChannelUpdate(0);
2541
2542	// channeled spell processed independently for quest targeting
2543	// cast at creature (or GO) quest objectives update at successful cast channel finished
2544	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
2545	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() )
2546	{
2547	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2548	{
2549	TargetInfo* target = &*ihit;
2550	if(!IS_CREATURE_GUID(target->targetGUID))
2551	continue;
2552
2553	Unit* unit = m_caster->GetGUID()==target->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster,target->targetGUID);
2554	if (unit==NULL)
2555	continue;
2556
2557	((Player*)m_caster)->CastedCreatureOrGO(unit->GetEntry(),unit->GetGUID(),m_spellInfo->Id);
2558	}
2559
2560	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
2561	{
2562	GOTargetInfo* target = &*ihit;
2563
2564	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, target->targetGUID);
2565	if(!go)
2566	continue;
2567
2568	((Player*)m_caster)->CastedCreatureOrGO(go->GetEntry(),go->GetGUID(),m_spellInfo->Id);
2569	}
2570	}
2571
2572	finish();
2573	}
2574	} break;
2575	default:
2576	{
2577	}break;
2578	}
2579	}
2580
2581	void Spell::finish(bool ok)
2582	{
2583	if(!m_caster)
2584	return;
2585
2586	if(m_spellState == SPELL_STATE_FINISHED)
2587	return;
2588
2589	m_spellState = SPELL_STATE_FINISHED;
2590
2591	//remove spell mods
2592	if (m_caster->GetTypeId() == TYPEID_PLAYER)
2593	((Player*)m_caster)->RemoveSpellMods(this);
2594
2595	// other code related only to successfully finished spells
2596	if(!ok)
2597	return;
2598
2599	//handle SPELL_AURA_ADD_TARGET_TRIGGER auras
2600	Unit::AuraList const& targetTriggers = m_caster->GetAurasByType(SPELL_AURA_ADD_TARGET_TRIGGER);
2601	for(Unit::AuraList::const_iterator i = targetTriggers.begin(); i != targetTriggers.end(); ++i)
2602	{
2603	SpellEntry const auraSpellInfo = (i)->GetSpellProto();
2604	uint32 auraSpellIdx = (*i)->GetEffIndex();
2605	if (IsAffectedBy(auraSpellInfo, auraSpellIdx))
2606	{
2607	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2608	if( ihit->effectMask & (1<<auraSpellIdx) )
2609	{
2610	// check m_caster->GetGUID() let load auras at login and speedup most often case
2611	Unit unit = m_caster->GetGUID()== ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
2612	if (unit && unit->isAlive())
2613	{
2614	// Calculate chance at that moment (can be depend for example from combo points)
2615	int32 chance = m_caster->CalculateSpellDamage(auraSpellInfo, auraSpellIdx, (*i)->GetBasePoints(),unit);
2616
2617	if(roll_chance_i(chance))
2618	m_caster->CastSpell(unit, auraSpellInfo->EffectTriggerSpell[auraSpellIdx], true, NULL, (*i));
2619	}
2620	}
2621	}
2622	}
2623
2624	if (IsMeleeAttackResetSpell())
2625	{
2626	m_caster->resetAttackTimer(BASE_ATTACK);
2627	if(m_caster->haveOffhandWeapon())
2628	m_caster->resetAttackTimer(OFF_ATTACK);
2629	}
2630
2631	/*if (IsRangedAttackResetSpell())
2632	m_caster->resetAttackTimer(RANGED_ATTACK);*/
2633
2634	// Clear combo at finish state
2635	if(m_caster->GetTypeId() == TYPEID_PLAYER && NeedsComboPoints(m_spellInfo))
2636	((Player*)m_caster)->ClearComboPoints();
2637
2638	// call triggered spell only at successful cast (after clear combo points -> for add some if need)
2639	if(!m_TriggerSpells.empty())
2640	TriggerSpell();
2641
2642	// Stop Attack for some spells
2643	if( m_spellInfo->Attributes & SPELL_ATTR_STOP_ATTACK_TARGET )
2644	m_caster->AttackStop();
2645	}
2646
2647	void Spell::SendCastResult(uint8 result)
2648	{
2649	if (m_caster->GetTypeId() != TYPEID_PLAYER)
2650	return;
2651
2652	if(((Player*)m_caster)->GetSession()->PlayerLoading()) // don't send cast results at loading time
2653	return;
2654
2655	if(result != 0)
2656	{
2657	WorldPacket data(SMSG_CAST_FAILED, (4+1+1));
2658	data << uint32(m_spellInfo->Id);
2659	data << uint8(result); // problem
2660	data << uint8(m_cast_count); // single cast or multi 2.3 (0/1)
2661	switch (result)
2662	{
2663	case SPELL_FAILED_REQUIRES_SPELL_FOCUS:
2664	data << uint32(m_spellInfo->RequiresSpellFocus);
2665	break;
2666	case SPELL_FAILED_REQUIRES_AREA:
2667	// hardcode areas limitation case
2668	if( m_spellInfo->Id==41618 \|\| m_spellInfo->Id==41620 )
2669	data << uint32(3842);
2670	else if( m_spellInfo->Id==41617 \|\| m_spellInfo->Id==41619 )
2671	data << uint32(3905);
2672	// normal case
2673	else
2674	data << uint32(m_spellInfo->AreaId);
2675	break;
2676	case SPELL_FAILED_TOTEMS:
2677	if(m_spellInfo->Totem[0])
2678	data << uint32(m_spellInfo->Totem[0]);
2679	if(m_spellInfo->Totem[1])
2680	data << uint32(m_spellInfo->Totem[1]);
2681	break;
2682	case SPELL_FAILED_TOTEM_CATEGORY:
2683	if(m_spellInfo->TotemCategory[0])
2684	data << uint32(m_spellInfo->TotemCategory[0]);
2685	if(m_spellInfo->TotemCategory[1])
2686	data << uint32(m_spellInfo->TotemCategory[1]);
2687	break;
2688	case SPELL_FAILED_EQUIPPED_ITEM_CLASS:
2689	data << uint32(m_spellInfo->EquippedItemClass);
2690	data << uint32(m_spellInfo->EquippedItemSubClassMask);
2691	data << uint32(m_spellInfo->EquippedItemInventoryTypeMask);
2692	break;
2693	}
2694	((Player*)m_caster)->GetSession()->SendPacket(&data);
2695	}
2696	else
2697	{
2698	WorldPacket data(SMSG_CLEAR_EXTRA_AURA_INFO, (8+4));
2699	data.append(m_caster->GetPackGUID());
2700	data << uint32(m_spellInfo->Id);
2701	((Player*)m_caster)->GetSession()->SendPacket(&data);
2702	}
2703	}
2704
2705	void Spell::SendSpellStart()
2706	{
2707	if(!IsNeedSendToClient())
2708	return;
2709
2710	sLog.outDebug("Sending SMSG_SPELL_START id=%u",m_spellInfo->Id);
2711
2712	uint16 castFlags = CAST_FLAG_UNKNOWN1;
2713	if(IsRangedSpell())
2714	castFlags \|= CAST_FLAG_AMMO;
2715
2716	Unit * target;
2717	if(!m_targets.getUnitTarget())
2718	target = m_caster;
2719	else
2720	target = m_targets.getUnitTarget();
2721
2722	WorldPacket data(SMSG_SPELL_START, (8+8+4+4+2));
2723	if(m_CastItem)
2724	data.append(m_CastItem->GetPackGUID());
2725	else
2726	data.append(m_caster->GetPackGUID());
2727
2728	data.append(m_caster->GetPackGUID());
2729	data << uint32(m_spellInfo->Id);
2730	data << uint8(m_cast_count); // single cast or multi 2.3 (0/1)
2731	data << uint16(castFlags);
2732	data << uint32(m_timer);
2733
2734	m_targets.write(&data);
2735
2736	if( castFlags & CAST_FLAG_AMMO )
2737	WriteAmmoToPacket(&data);
2738
2739	m_caster->SendMessageToSet(&data, true);
2740	}
2741
2742	void Spell::SendSpellGo()
2743	{
2744	// not send invisible spell casting
2745	if(!IsNeedSendToClient())
2746	return;
2747
2748	sLog.outDebug("Sending SMSG_SPELL_GO id=%u",m_spellInfo->Id);
2749
2750	Unit * target;
2751	if(!m_targets.getUnitTarget())
2752	target = m_caster;
2753	else
2754	target = m_targets.getUnitTarget();
2755
2756	uint16 castFlags = CAST_FLAG_UNKNOWN3;
2757	if(IsRangedSpell())
2758	castFlags \|= CAST_FLAG_AMMO;
2759
2760	WorldPacket data(SMSG_SPELL_GO, 50); // guess size
2761	if(m_CastItem)
2762	data.append(m_CastItem->GetPackGUID());
2763	else
2764	data.append(m_caster->GetPackGUID());
2765
2766	data.append(m_caster->GetPackGUID());
2767	data << uint32(m_spellInfo->Id);
2768	data << uint16(castFlags);
2769	data << uint32(getMSTime()); // timestamp
2770
2771	WriteSpellGoTargets(&data);
2772
2773	m_targets.write(&data);
2774
2775	if( castFlags & CAST_FLAG_AMMO )
2776	WriteAmmoToPacket(&data);
2777
2778	m_caster->SendMessageToSet(&data, true);
2779	}
2780
2781	void Spell::WriteAmmoToPacket( WorldPacket * data )
2782	{
2783	uint32 ammoInventoryType = 0;
2784	uint32 ammoDisplayID = 0;
2785
2786	if (m_caster->GetTypeId() == TYPEID_PLAYER)
2787	{
2788	Item pItem = ((Player)m_caster)->GetWeaponForAttack( RANGED_ATTACK );
2789	if(pItem)
2790	{
2791	ammoInventoryType = pItem->GetProto()->InventoryType;
2792	if( ammoInventoryType == INVTYPE_THROWN )
2793	ammoDisplayID = pItem->GetProto()->DisplayInfoID;
2794	else
2795	{
2796	uint32 ammoID = ((Player*)m_caster)->GetUInt32Value(PLAYER_AMMO_ID);
2797	if(ammoID)
2798	{
2799	ItemPrototype const *pProto = objmgr.GetItemPrototype( ammoID );
2800	if(pProto)
2801	{
2802	ammoDisplayID = pProto->DisplayInfoID;
2803	ammoInventoryType = pProto->InventoryType;
2804	}
2805	}
2806	else if(m_caster->GetDummyAura(46699)) // Requires No Ammo
2807	{
2808	ammoDisplayID = 5996; // normal arrow
2809	ammoInventoryType = INVTYPE_AMMO;
2810	}
2811	}
2812	}
2813	}
2814	// TODO: implement selection ammo data based at ranged weapon stored in equipmodel/equipinfo/equipslot fields
2815
2816	*data << uint32(ammoDisplayID);
2817	*data << uint32(ammoInventoryType);
2818	}
2819
2820	void Spell::WriteSpellGoTargets( WorldPacket * data )
2821	{
2822	*data << (uint8)m_countOfHit;
2823	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2824	if ((*ihit).missCondition == SPELL_MISS_NONE) // Add only hits
2825	*data << uint64(ihit->targetGUID);
2826
2827	for(std::list<GOTargetInfo>::iterator ighit= m_UniqueGOTargetInfo.begin();ighit != m_UniqueGOTargetInfo.end();++ighit)
2828	*data << uint64(ighit->targetGUID); // Always hits
2829
2830	*data << (uint8)m_countOfMiss;
2831	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2832	{
2833	if( ihit->missCondition != SPELL_MISS_NONE ) // Add only miss
2834	{
2835	*data << uint64(ihit->targetGUID);
2836	*data << uint8(ihit->missCondition);
2837	if( ihit->missCondition == SPELL_MISS_REFLECT )
2838	*data << uint8(ihit->reflectResult);
2839	}
2840	}
2841	}
2842
2843	void Spell::SendLogExecute()
2844	{
2845	Unit *target = m_targets.getUnitTarget() ? m_targets.getUnitTarget() : m_caster;
2846
2847	WorldPacket data(SMSG_SPELLLOGEXECUTE, (8+4+4+4+4+8));
2848
2849	if(m_caster->GetTypeId() == TYPEID_PLAYER)
2850	data.append(m_caster->GetPackGUID());
2851	else
2852	data.append(target->GetPackGUID());
2853
2854	data << uint32(m_spellInfo->Id);
2855	uint32 count1 = 1;
2856	data << uint32(count1); // count1 (effect count?)
2857	for(uint32 i = 0; i < count1; ++i)
2858	{
2859	data << uint32(m_spellInfo->Effect[0]); // spell effect?
2860	uint32 count2 = 1;
2861	data << uint32(count2); // count2 (target count?)
2862	for(uint32 j = 0; j < count2; ++j)
2863	{
2864	switch(m_spellInfo->Effect[0])
2865	{
2866	case SPELL_EFFECT_POWER_DRAIN:
2867	if(Unit *unit = m_targets.getUnitTarget())
2868	data.append(unit->GetPackGUID());
2869	else
2870	data << uint8(0);
2871	data << uint32(0);
2872	data << uint32(0);
2873	data << float(0);
2874	break;
2875	case SPELL_EFFECT_ADD_EXTRA_ATTACKS:
2876	if(Unit *unit = m_targets.getUnitTarget())
2877	data.append(unit->GetPackGUID());
2878	else
2879	data << uint8(0);
2880	data << uint32(0); // count?
2881	break;
2882	case SPELL_EFFECT_INTERRUPT_CAST:
2883	if(Unit *unit = m_targets.getUnitTarget())
2884	data.append(unit->GetPackGUID());
2885	else
2886	data << uint8(0);
2887	data << uint32(0); // spellid
2888	break;
2889	case SPELL_EFFECT_DURABILITY_DAMAGE:
2890	if(Unit *unit = m_targets.getUnitTarget())
2891	data.append(unit->GetPackGUID());
2892	else
2893	data << uint8(0);
2894	data << uint32(0);
2895	data << uint32(0);
2896	break;
2897	case SPELL_EFFECT_OPEN_LOCK:
2898	case SPELL_EFFECT_OPEN_LOCK_ITEM:
2899	if(Item *item = m_targets.getItemTarget())
2900	data.append(item->GetPackGUID());
2901	else
2902	data << uint8(0);
2903	break;
2904	case SPELL_EFFECT_CREATE_ITEM:
2905	data << uint32(m_spellInfo->EffectItemType[0]);
2906	break;
2907	case SPELL_EFFECT_SUMMON:
2908	case SPELL_EFFECT_SUMMON_WILD:
2909	case SPELL_EFFECT_SUMMON_GUARDIAN:
2910	case SPELL_EFFECT_TRANS_DOOR:
2911	case SPELL_EFFECT_SUMMON_PET:
2912	case SPELL_EFFECT_SUMMON_POSSESSED:
2913	case SPELL_EFFECT_SUMMON_TOTEM:
2914	case SPELL_EFFECT_SUMMON_OBJECT_WILD:
2915	case SPELL_EFFECT_CREATE_HOUSE:
2916	case SPELL_EFFECT_DUEL:
2917	case SPELL_EFFECT_SUMMON_TOTEM_SLOT1:
2918	case SPELL_EFFECT_SUMMON_TOTEM_SLOT2:
2919	case SPELL_EFFECT_SUMMON_TOTEM_SLOT3:
2920	case SPELL_EFFECT_SUMMON_TOTEM_SLOT4:
2921	case SPELL_EFFECT_SUMMON_PHANTASM:
2922	case SPELL_EFFECT_SUMMON_CRITTER:
2923	case SPELL_EFFECT_SUMMON_OBJECT_SLOT1:
2924	case SPELL_EFFECT_SUMMON_OBJECT_SLOT2:
2925	case SPELL_EFFECT_SUMMON_OBJECT_SLOT3:
2926	case SPELL_EFFECT_SUMMON_OBJECT_SLOT4:
2927	case SPELL_EFFECT_SUMMON_DEMON:
2928	case SPELL_EFFECT_150:
2929	if(Unit *unit = m_targets.getUnitTarget())
2930	data.append(unit->GetPackGUID());
2931	else if(m_targets.getItemTargetGUID())
2932	data.appendPackGUID(m_targets.getItemTargetGUID());
2933	else if(GameObject *go = m_targets.getGOTarget())
2934	data.append(go->GetPackGUID());
2935	else
2936	data << uint8(0); // guid
2937	break;
2938	case SPELL_EFFECT_FEED_PET:
2939	data << uint32(m_targets.getItemTargetEntry());
2940	break;
2941	case SPELL_EFFECT_DISMISS_PET:
2942	if(Unit *unit = m_targets.getUnitTarget())
2943	data.append(unit->GetPackGUID());
2944	else
2945	data << uint8(0);
2946	break;
2947	default:
2948	return;
2949	}
2950	}
2951	}
2952
2953	m_caster->SendMessageToSet(&data, true);
2954	}
2955
2956	void Spell::SendInterrupted(uint8 result)
2957	{
2958	WorldPacket data(SMSG_SPELL_FAILURE, (8+4+1));
2959	data.append(m_caster->GetPackGUID());
2960	data << m_spellInfo->Id;
2961	data << result;
2962	m_caster->SendMessageToSet(&data, true);
2963
2964	data.Initialize(SMSG_SPELL_FAILED_OTHER, (8+4));
2965	data.append(m_caster->GetPackGUID());
2966	data << m_spellInfo->Id;
2967	m_caster->SendMessageToSet(&data, true);
2968	}
2969
2970	void Spell::SendChannelUpdate(uint32 time)
2971	{
2972	if(time == 0)
2973	{
2974	m_caster->SetUInt64Value(UNIT_FIELD_CHANNEL_OBJECT,0);
2975	m_caster->SetUInt32Value(UNIT_CHANNEL_SPELL,0);
2976	}
2977
2978	if (m_caster->GetTypeId() != TYPEID_PLAYER)
2979	return;
2980
2981	WorldPacket data( MSG_CHANNEL_UPDATE, 8+4 );
2982	data.append(m_caster->GetPackGUID());
2983	data << time;
2984
2985	((Player*)m_caster)->GetSession()->SendPacket( &data );
2986	}
2987
2988	void Spell::SendChannelStart(uint32 duration)
2989	{
2990	WorldObject* target = NULL;
2991
2992	// select first not rsusted target from target list for _0_ effect
2993	if(!m_UniqueTargetInfo.empty())
2994	{
2995	for(std::list<TargetInfo>::iterator itr= m_UniqueTargetInfo.begin();itr != m_UniqueTargetInfo.end();++itr)
2996	{
2997	if( (itr->effectMask & (1<<0)) && itr->reflectResult==SPELL_MISS_NONE && itr->targetGUID != m_caster->GetGUID())
2998	{
2999	target = ObjectAccessor::GetUnit(*m_caster, itr->targetGUID);
3000	break;
3001	}
3002	}
3003	}
3004	else if(!m_UniqueGOTargetInfo.empty())
3005	{
3006	for(std::list<GOTargetInfo>::iterator itr= m_UniqueGOTargetInfo.begin();itr != m_UniqueGOTargetInfo.end();++itr)
3007	{
3008	if(itr->effectMask & (1<<0) )
3009	{
3010	target = ObjectAccessor::GetGameObject(*m_caster, itr->targetGUID);
3011	break;
3012	}
3013	}
3014	}
3015
3016	if (m_caster->GetTypeId() == TYPEID_PLAYER)
3017	{
3018	WorldPacket data( MSG_CHANNEL_START, (8+4+4) );
3019	data.append(m_caster->GetPackGUID());
3020	data << m_spellInfo->Id;
3021	data << duration;
3022
3023	((Player*)m_caster)->GetSession()->SendPacket( &data );
3024	}
3025
3026	m_timer = duration;
3027	if(target)
3028	m_caster->SetUInt64Value(UNIT_FIELD_CHANNEL_OBJECT, target->GetGUID());
3029	m_caster->SetUInt32Value(UNIT_CHANNEL_SPELL, m_spellInfo->Id);
3030	}
3031
3032	void Spell::SendResurrectRequest(Player* target)
3033	{
3034	WorldPacket data(SMSG_RESURRECT_REQUEST, (8+4+2+4));
3035	data << m_caster->GetGUID();
3036	data << uint32(1) << uint16(0) << uint32(1);
3037
3038	target->GetSession()->SendPacket(&data);
3039	}
3040
3041	void Spell::SendPlaySpellVisual(uint32 SpellID)
3042	{
3043	if (m_caster->GetTypeId() != TYPEID_PLAYER)
3044	return;
3045
3046	WorldPacket data(SMSG_PLAY_SPELL_VISUAL, 12);
3047	data << m_caster->GetGUID();
3048	data << SpellID;
3049	((Player*)m_caster)->GetSession()->SendPacket(&data);
3050	}
3051
3052	void Spell::TakeCastItem()
3053	{
3054	if(!m_CastItem \|\| m_caster->GetTypeId() != TYPEID_PLAYER)
3055	return;
3056
3057	// not remove cast item at triggered spell (equipping, weapon damage, etc)
3058	if(m_IsTriggeredSpell)
3059	return;
3060
3061	ItemPrototype const *proto = m_CastItem->GetProto();
3062
3063	if(!proto)
3064	{
3065	// This code is to avoid a crash
3066	// I'm not sure, if this is really an error, but I guess every item needs a prototype
3067	sLog.outError("Cast item has no item prototype highId=%d, lowId=%d",m_CastItem->GetGUIDHigh(), m_CastItem->GetGUIDLow());
3068	return;
3069	}
3070
3071	bool expendable = false;
3072	bool withoutCharges = false;
3073
3074	for (int i = 0; i<5; i++)
3075	{
3076	if (proto->Spells[i].SpellId)
3077	{
3078	// item has limited charges
3079	if (proto->Spells[i].SpellCharges)
3080	{
3081	if (proto->Spells[i].SpellCharges < 0)
3082	expendable = true;
3083
3084	int32 charges = m_CastItem->GetSpellCharges(i);
3085
3086	// item has charges left
3087	if (charges)
3088	{
3089	(charges > 0) ? --charges : ++charges; // abs(charges) less at 1 after use
3090	if (proto->Stackable < 2)
3091	m_CastItem->SetSpellCharges(i, charges);
3092	m_CastItem->SetState(ITEM_CHANGED, (Player*)m_caster);
3093	}
3094
3095	// all charges used
3096	withoutCharges = (charges == 0);
3097	}
3098	}
3099	}
3100
3101	if (expendable && withoutCharges)
3102	{
3103	uint32 count = 1;
3104	((Player*)m_caster)->DestroyItemCount(m_CastItem, count, true);
3105
3106	// prevent crash at access to deleted m_targets.getItemTarget
3107	if(m_CastItem==m_targets.getItemTarget())
3108	m_targets.setItemTarget(NULL);
3109
3110	m_CastItem = NULL;
3111	}
3112	}
3113
3114	void Spell::TakePower()
3115	{
3116	if(m_CastItem \|\| m_triggeredByAuraSpell)
3117	return;
3118
3119	// health as power used
3120	if(m_spellInfo->powerType == POWER_HEALTH)
3121	{
3122	m_caster->ModifyHealth( -(int32)m_powerCost );
3123	return;
3124	}
3125
3126	if(m_spellInfo->powerType >= MAX_POWERS)
3127	{
3128	sLog.outError("Spell::TakePower: Unknown power type '%d'", m_spellInfo->powerType);
3129	return;
3130	}
3131
3132	Powers powerType = Powers(m_spellInfo->powerType);
3133
3134	m_caster->ModifyPower(powerType, -(int32)m_powerCost);
3135
3136	// Set the five second timer
3137	if (powerType == POWER_MANA && m_powerCost > 0)
3138	m_caster->SetLastManaUse(getMSTime());
3139	}
3140
3141	void Spell::TakeReagents()
3142	{
3143	if(m_IsTriggeredSpell) // reagents used in triggered spell removed by original spell or don't must be removed.
3144	return;
3145
3146	if (m_caster->GetTypeId() != TYPEID_PLAYER)
3147	return;
3148
3149	if (m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_NO_REAGENT_WHILE_PREP &&
3150	m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREPARATION))
3151	return;
3152
3153	Player* p_caster = (Player*)m_caster;
3154
3155	for(uint32 x=0;x<8;x++)
3156	{
3157	if(m_spellInfo->Reagent[x] <= 0)
3158	continue;
3159
3160	uint32 itemid = m_spellInfo->Reagent[x];
3161	uint32 itemcount = m_spellInfo->ReagentCount[x];
3162
3163	// if CastItem is also spell reagent
3164	if (m_CastItem)
3165	{
3166	ItemPrototype const *proto = m_CastItem->GetProto();
3167	if( proto && proto->ItemId == itemid )
3168	{
3169	for(int s=0;s<5;s++)
3170	{
3171	// CastItem will be used up and does not count as reagent
3172	int32 charges = m_CastItem->GetSpellCharges(s);
3173	if (proto->Spells[s].SpellCharges < 0 && abs(charges) < 2)
3174	{
3175	++itemcount;
3176	break;
3177	}
3178	}
3179
3180	m_CastItem = NULL;
3181	}
3182	}
3183
3184	// if getItemTarget is also spell reagent
3185	if (m_targets.getItemTargetEntry()==itemid)
3186	m_targets.setItemTarget(NULL);
3187
3188	p_caster->DestroyItemCount(itemid, itemcount, true);
3189	}
3190	}
3191
3192	void Spell::HandleThreatSpells(uint32 spellId)
3193	{
3194	if(!m_targets.getUnitTarget() \|\| !spellId)
3195	return;
3196
3197	if(!m_targets.getUnitTarget()->CanHaveThreatList())
3198	return;
3199
3200	SpellThreatEntry const *threatSpell = sSpellThreatStore.LookupEntry<SpellThreatEntry>(spellId);
3201	if(!threatSpell)
3202	return;
3203
3204	m_targets.getUnitTarget()->AddThreat(m_caster, float(threatSpell->threat));
3205
3206	DEBUG_LOG("Spell %u, rank %u, added an additional %i threat", spellId, spellmgr.GetSpellRank(spellId), threatSpell->threat);
3207	}
3208
3209	void Spell::HandleEffects(Unit pUnitTarget,Item pItemTarget,GameObject *pGOTarget,uint32 i, float DamageMultiplier)
3210	{
3211	unitTarget = pUnitTarget;
3212	itemTarget = pItemTarget;
3213	gameObjTarget = pGOTarget;
3214
3215	uint8 eff = m_spellInfo->Effect[i];
3216	uint32 mechanic = m_spellInfo->EffectMechanic[i];
3217
3218	damage = int32(CalculateDamage((uint8)i,unitTarget)*DamageMultiplier);
3219
3220	sLog.outDebug( "Spell: Effect : %u", eff);
3221
3222	//Simply return. Do not display "immune" in red text on client
3223	if(unitTarget && unitTarget->IsImmunedToSpellEffect(eff, mechanic))
3224	return;
3225
3226	if(eff<TOTAL_SPELL_EFFECTS)
3227	{
3228	//sLog.outDebug( "WORLD: Spell FX %d < TOTAL_SPELL_EFFECTS ", eff);
3229	(this.SpellEffects[eff])(i);
3230	}
3231	/*
3232	else
3233	{
3234	sLog.outDebug( "WORLD: Spell FX %d > TOTAL_SPELL_EFFECTS ", eff);
3235	if (m_CastItem)
3236	EffectEnchantItemTmp(i);
3237	else
3238	{
3239	sLog.outError("SPELL: unknown effect %u spell id %u\n",
3240	eff, m_spellInfo->Id);
3241	}
3242	}
3243	*/
3244	}
3245
3246	void Spell::TriggerSpell()
3247	{
3248	for(TriggerSpells::iterator si=m_TriggerSpells.begin(); si!=m_TriggerSpells.end(); ++si)
3249	{
3250	Spell* spell = new Spell(m_caster, (*si), true, m_originalCasterGUID, this->m_selfContainer);
3251	spell->prepare(&m_targets); // use original spell original targets
3252	}
3253	}
3254
3255	uint8 Spell::CanCast(bool strict)
3256	{
3257	// check cooldowns to prevent cheating
3258	if(m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->HasSpellCooldown(m_spellInfo->Id))
3259	{
3260	if(m_triggeredByAuraSpell)
3261	return SPELL_FAILED_DONT_REPORT;
3262	else
3263	return SPELL_FAILED_NOT_READY;
3264	}
3265
3266	// only allow triggered spells if at an ended battleground
3267	if( !m_IsTriggeredSpell && m_caster->GetTypeId() == TYPEID_PLAYER)
3268	if(BattleGround * bg = ((Player*)m_caster)->GetBattleGround())
3269	if(bg->GetStatus() == STATUS_WAIT_LEAVE)
3270	return SPELL_FAILED_DONT_REPORT;
3271
3272	// only check at first call, Stealth auras are already removed at second call
3273	// for now, ignore triggered spells
3274	if( strict && !m_IsTriggeredSpell)
3275	{
3276	// Cannot be used in this stance/form
3277	if(uint8 shapeError = GetErrorAtShapeshiftedCast(m_spellInfo, m_caster->m_form))
3278	return shapeError;
3279
3280	if ((m_spellInfo->Attributes & SPELL_ATTR_ONLY_STEALTHED) && !(m_caster->HasStealthAura()))
3281	return SPELL_FAILED_ONLY_STEALTHED;
3282	}
3283
3284	// caster state requirements
3285	if(m_spellInfo->CasterAuraState && !m_caster->HasAuraState(AuraState(m_spellInfo->CasterAuraState)))
3286	return SPELL_FAILED_CASTER_AURASTATE;
3287	if(m_spellInfo->CasterAuraStateNot && m_caster->HasAuraState(AuraState(m_spellInfo->CasterAuraStateNot)))
3288	return SPELL_FAILED_CASTER_AURASTATE;
3289
3290	// cancel autorepeat spells if cast start when moving
3291	// (not wand currently autorepeat cast delayed to moving stop anyway in spell update code)
3292	if( m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->isMoving() )
3293	{
3294	// skip stuck spell to allow use it in falling case and apply spell limitations at movement
3295	if( (!m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING) \|\| m_spellInfo->Effect[0] != SPELL_EFFECT_STUCK) &&
3296	(IsAutoRepeat() \|\| (m_spellInfo->AuraInterruptFlags & AURA_INTERRUPT_FLAG_NOT_SEATED) != 0) )
3297	return SPELL_FAILED_MOVING;
3298	}
3299
3300	Unit *target = m_targets.getUnitTarget();
3301
3302	if(target)
3303	{
3304	// target state requirements (not allowed state), apply to self also
3305	if(m_spellInfo->TargetAuraStateNot && target->HasAuraState(AuraState(m_spellInfo->TargetAuraStateNot)))
3306	return SPELL_FAILED_TARGET_AURASTATE;
3307
3308
3309	if(target != m_caster)
3310	{
3311	// target state requirements (apply to non-self only), to allow cast affects to self like Dirty Deeds
3312	if(m_spellInfo->TargetAuraState && !target->HasAuraState(AuraState(m_spellInfo->TargetAuraState)))
3313	return SPELL_FAILED_TARGET_AURASTATE;
3314
3315	// Not allow casting on flying player
3316	if (target->isInFlight())
3317	return SPELL_FAILED_BAD_TARGETS;
3318
3319	if(VMAP::VMapFactory::checkSpellForLoS(m_spellInfo->Id) && !m_caster->IsWithinLOSInMap(target))
3320	return SPELL_FAILED_LINE_OF_SIGHT;
3321
3322	// auto selection spell rank implemented in WorldSession::HandleCastSpellOpcode
3323	// this case can be triggered if rank not found (too low-level target for first rank)
3324	if(m_caster->GetTypeId() == TYPEID_PLAYER && !IsPassiveSpell(m_spellInfo->Id) && !m_CastItem)
3325	{
3326	for(int i=0;i<3;i++)
3327	{
3328	if(IsPositiveEffect(m_spellInfo->Id, i) && m_spellInfo->Effect[i] == SPELL_EFFECT_APPLY_AURA)
3329	if(target->getLevel() + 10 < m_spellInfo->spellLevel)
3330	return SPELL_FAILED_LOWLEVEL;
3331	}
3332	}
3333	}
3334
3335	// check pet presents
3336	for(int j=0;j<3;j++)
3337	{
3338	if(m_spellInfo->EffectImplicitTargetA[j] == TARGET_PET)
3339	{
3340	target = m_caster->GetPet();
3341	if(!target)
3342	{
3343	if(m_triggeredByAuraSpell) // not report pet not existence for triggered spells
3344	return SPELL_FAILED_DONT_REPORT;
3345	else
3346	return SPELL_FAILED_NO_PET;
3347	}
3348	break;
3349	}
3350	}
3351
3352	//check creature type
3353	//ignore self casts (including area casts when caster selected as target)
3354	if(target != m_caster)
3355	{
3356	if(!CheckTargetCreatureType(target))
3357	{
3358	if(target->GetTypeId()==TYPEID_PLAYER)
3359	return SPELL_FAILED_TARGET_IS_PLAYER;
3360	else
3361	return SPELL_FAILED_BAD_TARGETS;
3362	}
3363	}
3364
3365	// TODO: this check can be applied and for player to prevent cheating when IsPositiveSpell will return always correct result.
3366	// check target for pet/charmed casts (not self targeted), self targeted cast used for area effects and etc
3367	if(m_caster != target && m_caster->GetTypeId()==TYPEID_UNIT && m_caster->GetCharmerOrOwnerGUID())
3368	{
3369	// check correctness positive/negative cast target (pet cast real check and cheating check)
3370	if(IsPositiveSpell(m_spellInfo->Id))
3371	{
3372	if(m_caster->IsHostileTo(target))
3373	return SPELL_FAILED_BAD_TARGETS;
3374	}
3375	else
3376	{
3377	if(m_caster->IsFriendlyTo(target))
3378	return SPELL_FAILED_BAD_TARGETS;
3379	}
3380	}
3381
3382	if(IsPositiveSpell(m_spellInfo->Id))
3383	{
3384	if(target->IsImmunedToSpell(m_spellInfo,false))
3385	return SPELL_FAILED_TARGET_AURASTATE;
3386	}
3387
3388	//Must be behind the target.
3389	if( m_spellInfo->AttributesEx2 == 0x100000 && (m_spellInfo->AttributesEx & 0x200) == 0x200 && target->HasInArc(M_PI, m_caster) )
3390	{
3391	SendInterrupted(2);
3392	return SPELL_FAILED_NOT_BEHIND;
3393	}
3394
3395	//Target must be facing you.
3396	if((m_spellInfo->Attributes == 0x150010) && !target->HasInArc(M_PI, m_caster) )
3397	{
3398	SendInterrupted(2);
3399	return SPELL_FAILED_NOT_INFRONT;
3400	}
3401
3402	// check if target is in combat
3403	if (target != m_caster && (m_spellInfo->AttributesEx & SPELL_ATTR_EX_NOT_IN_COMBAT_TARGET) && target->isInCombat())
3404	{
3405	return SPELL_FAILED_TARGET_AFFECTING_COMBAT;
3406	}
3407	}
3408	// Spell casted only on battleground
3409	if((m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_BATTLEGROUND) && m_caster->GetTypeId()==TYPEID_PLAYER)
3410	if(!((Player*)m_caster)->InBattleGround())
3411	return SPELL_FAILED_ONLY_BATTLEGROUNDS;
3412
3413	// do not allow spells to be cast in arenas
3414	// - with greater than 15 min CD without SPELL_ATTR_EX4_USABLE_IN_ARENA flag
3415	// - with SPELL_ATTR_EX4_NOT_USABLE_IN_ARENA flag
3416	if( (m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_NOT_USABLE_IN_ARENA) \|\|
3417	GetSpellRecoveryTime(m_spellInfo) > 15 * MINUTE * 1000 && !(m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_USABLE_IN_ARENA) )
3418	if(MapEntry const* mapEntry = sMapStore.LookupEntry(m_caster->GetMapId()))
3419	if(mapEntry->IsBattleArena())
3420	return SPELL_FAILED_NOT_IN_ARENA;
3421
3422	// zone check
3423	if(!IsSpellAllowedInLocation(m_spellInfo,m_caster->GetMapId(),m_caster->GetZoneId(),m_caster->GetAreaId()))
3424	return SPELL_FAILED_REQUIRES_AREA;
3425
3426	// not let players cast spells at mount (and let do it to creatures)
3427	if( m_caster->IsMounted() && m_caster->GetTypeId()==TYPEID_PLAYER && !m_IsTriggeredSpell &&
3428	!IsPassiveSpell(m_spellInfo->Id) && !(m_spellInfo->Attributes & SPELL_ATTR_CASTABLE_WHILE_MOUNTED) )
3429	{
3430	if(m_caster->isInFlight())
3431	return SPELL_FAILED_NOT_FLYING;
3432	else
3433	return SPELL_FAILED_NOT_MOUNTED;
3434	}
3435
3436	// always (except passive spells) check items (focus object can be required for any type casts)
3437	if(!IsPassiveSpell(m_spellInfo->Id))
3438	if(uint8 castResult = CheckItems())
3439	return castResult;
3440
3441	//ImpliciteTargetA-B = 38, If fact there is 0 Spell with ImpliciteTargetB=38
3442	if(m_UniqueTargetInfo.empty()) // skip second canCast apply (for delayed spells for example)
3443	{
3444	for(uint8 j = 0; j < 3; j++)
3445	{
3446	if( m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT \|\|
3447	m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT && m_spellInfo->EffectImplicitTargetA[j] != TARGET_SELF \|\|
3448	m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES \|\|
3449	m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT_COORDINATES )
3450	{
3451	bool okDoo = false;
3452
3453	SpellScriptTarget::const_iterator lower = spellmgr.GetBeginSpellScriptTarget(m_spellInfo->Id);
3454	SpellScriptTarget::const_iterator upper = spellmgr.GetEndSpellScriptTarget(m_spellInfo->Id);
3455	if(lower==upper)
3456	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);
3457
3458	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
3459	float range = GetSpellMaxRange(srange);
3460
3461	Creature* creatureScriptTarget = NULL;
3462	GameObject* goScriptTarget = NULL;
3463
3464	for(SpellScriptTarget::const_iterator i_spellST = lower; i_spellST != upper; ++i_spellST)
3465	{
3466	switch(i_spellST->second.type)
3467	{
3468	case SPELL_TARGET_TYPE_GAMEOBJECT:
3469	{
3470	GameObject* p_GameObject = NULL;
3471
3472	if(i_spellST->second.targetEntry)
3473	{
3474	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
3475	Cell cell(p);
3476	cell.data.Part.reserved = ALL_DISTRICT;
3477
3478	Trinity::NearestGameObjectEntryInObjectRangeCheck go_check(*m_caster,i_spellST->second.targetEntry,range);
3479	Trinity::GameObjectLastSearcher<Trinity::NearestGameObjectEntryInObjectRangeCheck> checker(p_GameObject,go_check);
3480
3481	TypeContainerVisitor<Trinity::GameObjectLastSearcher<Trinity::NearestGameObjectEntryInObjectRangeCheck>, GridTypeMapContainer > object_checker(checker);
3482	CellLock<GridReadGuard> cell_lock(cell, p);
3483	cell_lock->Visit(cell_lock, object_checker, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
3484
3485	if(p_GameObject)
3486	{
3487	// remember found target and range, next attempt will find more near target with another entry
3488	creatureScriptTarget = NULL;
3489	goScriptTarget = p_GameObject;
3490	range = go_check.GetLastRange();
3491	}
3492	}
3493	else if( focusObject ) //Focus Object
3494	{
3495	float frange = m_caster->GetDistance(focusObject);
3496	if(range >= frange)
3497	{
3498	creatureScriptTarget = NULL;
3499	goScriptTarget = focusObject;
3500	range = frange;
3501	}
3502	}
3503	break;
3504	}
3505	case SPELL_TARGET_TYPE_CREATURE:
3506	case SPELL_TARGET_TYPE_DEAD:
3507	default:
3508	{
3509	Creature *p_Creature = NULL;
3510
3511	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
3512	Cell cell(p);
3513	cell.data.Part.reserved = ALL_DISTRICT;
3514	cell.SetNoCreate(); // Really don't know what is that???
3515
3516	Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck u_check(*m_caster,i_spellST->second.targetEntry,i_spellST->second.type!=SPELL_TARGET_TYPE_DEAD,range);
3517	Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck> searcher(p_Creature, u_check);
3518
3519	TypeContainerVisitor<Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck>, GridTypeMapContainer > grid_creature_searcher(searcher);
3520
3521	CellLock<GridReadGuard> cell_lock(cell, p);
3522	cell_lock->Visit(cell_lock, grid_creature_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
3523
3524	if(p_Creature )
3525	{
3526	creatureScriptTarget = p_Creature;
3527	goScriptTarget = NULL;
3528	range = u_check.GetLastRange();
3529	}
3530	break;
3531	}
3532	}
3533	}
3534
3535	if(creatureScriptTarget)
3536	{
3537	// store coordinates for TARGET_SCRIPT_COORDINATES
3538	if (m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES \|\|
3539	m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT_COORDINATES )
3540	{
3541	m_targets.setDestination(creatureScriptTarget->GetPositionX(),creatureScriptTarget->GetPositionY(),creatureScriptTarget->GetPositionZ());
3542
3543	if(m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES && m_spellInfo->EffectImplicitTargetB[j] == 0 && m_spellInfo->Effect[j]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
3544	AddUnitTarget(creatureScriptTarget, j);
3545	}
3546	// store explicit target for TARGET_SCRIPT
3547	else
3548	AddUnitTarget(creatureScriptTarget, j);
3549	}
3550	else if(goScriptTarget)
3551	{
3552	// store coordinates for TARGET_SCRIPT_COORDINATES
3553	if (m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES \|\|
3554	m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT_COORDINATES )
3555	{
3556	m_targets.setDestination(goScriptTarget->GetPositionX(),goScriptTarget->GetPositionY(),goScriptTarget->GetPositionZ());
3557
3558	if(m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES && m_spellInfo->EffectImplicitTargetB[j] == 0 && m_spellInfo->Effect[j]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
3559	AddGOTarget(goScriptTarget, j);
3560	}
3561	// store explicit target for TARGET_SCRIPT
3562	else
3563	AddGOTarget(goScriptTarget, j);
3564	}
3565	//Missing DB Entry or targets for this spellEffect.
3566	else
3567	{
3568	// not report target not existence for triggered spells
3569	if(m_triggeredByAuraSpell \|\| m_IsTriggeredSpell)
3570	return SPELL_FAILED_DONT_REPORT;
3571	else
3572	return SPELL_FAILED_BAD_TARGETS;
3573	}
3574	}
3575	}
3576	}
3577
3578	if(uint8 castResult = CheckRange(strict))
3579	return castResult;
3580
3581	{
3582	if(uint8 castResult = CheckPower())
3583	return castResult;
3584	}
3585
3586	if(!m_triggeredByAuraSpell) // triggered spell not affected by stun/etc
3587	if(uint8 castResult = CheckCasterAuras())
3588	return castResult;
3589
3590	for (int i = 0; i < 3; i++)
3591	{
3592	// for effects of spells that have only one target
3593	switch(m_spellInfo->Effect[i])
3594	{
3595	case SPELL_EFFECT_DUMMY:
3596	{
3597	if(m_spellInfo->SpellIconID == 1648) // Execute
3598	{
3599	if(!m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetHealth() > m_targets.getUnitTarget()->GetMaxHealth()*0.2)
3600	return SPELL_FAILED_BAD_TARGETS;
3601	}
3602	else if (m_spellInfo->Id == 51582) // Rocket Boots Engaged
3603	{
3604	if(m_caster->IsInWater())
3605	return SPELL_FAILED_ONLY_ABOVEWATER;
3606	}
3607	else if(m_spellInfo->SpellIconID==156) // Holy Shock
3608	{
3609	// spell different for friends and enemies
3610	// hart version required facing
3611	if(m_targets.getUnitTarget() && !m_caster->IsFriendlyTo(m_targets.getUnitTarget()) && !m_caster->HasInArc( M_PI, target ))
3612	return SPELL_FAILED_UNIT_NOT_INFRONT;
3613	}
3614	break;
3615	}
3616	case SPELL_EFFECT_SCHOOL_DAMAGE:
3617	{
3618	// Hammer of Wrath
3619	if(m_spellInfo->SpellVisual == 7250)
3620	{
3621	if (!m_targets.getUnitTarget())
3622	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3623
3624	if(m_targets.getUnitTarget()->GetHealth() > m_targets.getUnitTarget()->GetMaxHealth()*0.2)
3625	return SPELL_FAILED_BAD_TARGETS;
3626	}
3627	break;
3628	}
3629	case SPELL_EFFECT_TAMECREATURE:
3630	{
3631	if (!m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetTypeId() == TYPEID_PLAYER)
3632	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3633
3634	if (m_targets.getUnitTarget()->getLevel() > m_caster->getLevel())
3635	return SPELL_FAILED_HIGHLEVEL;
3636
3637	CreatureInfo const cinfo = ((Creature)m_targets.getUnitTarget())->GetCreatureInfo();
3638	if( cinfo->type != CREATURE_TYPE_BEAST )
3639	return SPELL_FAILED_BAD_TARGETS;
3640
3641	// use SMSG_PET_TAME_FAILURE?
3642	if( !(cinfo->flag1 & 1) \|\| !(cinfo->family) )
3643	return SPELL_FAILED_BAD_TARGETS;
3644
3645	if(m_caster->GetPetGUID())
3646	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3647
3648	if(m_caster->GetCharmGUID())
3649	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3650
3651	break;
3652	}
3653	case SPELL_EFFECT_LEARN_SPELL:
3654	{
3655	if(m_spellInfo->EffectImplicitTargetA[i] != TARGET_PET)
3656	break;
3657
3658	Pet* pet = m_caster->GetPet();
3659
3660	if(!pet)
3661	return SPELL_FAILED_NO_PET;
3662
3663	SpellEntry const *learn_spellproto = sSpellStore.LookupEntry(m_spellInfo->EffectTriggerSpell[i]);
3664
3665	if(!learn_spellproto)
3666	return SPELL_FAILED_NOT_KNOWN;
3667
3668	if(!pet->CanTakeMoreActiveSpells(learn_spellproto->Id))
3669	return SPELL_FAILED_TOO_MANY_SKILLS;
3670
3671	if(m_spellInfo->spellLevel > pet->getLevel())
3672	return SPELL_FAILED_LOWLEVEL;
3673
3674	if(!pet->HasTPForSpell(learn_spellproto->Id))
3675	return SPELL_FAILED_TRAINING_POINTS;
3676
3677	break;
3678	}
3679	case SPELL_EFFECT_LEARN_PET_SPELL:
3680	{
3681	Pet* pet = m_caster->GetPet();
3682
3683	if(!pet)
3684	return SPELL_FAILED_NO_PET;
3685
3686	SpellEntry const *learn_spellproto = sSpellStore.LookupEntry(m_spellInfo->EffectTriggerSpell[i]);
3687
3688	if(!learn_spellproto)
3689	return SPELL_FAILED_NOT_KNOWN;
3690
3691	if(!pet->CanTakeMoreActiveSpells(learn_spellproto->Id))
3692	return SPELL_FAILED_TOO_MANY_SKILLS;
3693
3694	if(m_spellInfo->spellLevel > pet->getLevel())
3695	return SPELL_FAILED_LOWLEVEL;
3696
3697	if(!pet->HasTPForSpell(learn_spellproto->Id))
3698	return SPELL_FAILED_TRAINING_POINTS;
3699
3700	break;
3701	}
3702	case SPELL_EFFECT_FEED_PET:
3703	{
3704	if (m_caster->GetTypeId() != TYPEID_PLAYER \|\| !m_targets.getItemTarget() )
3705	return SPELL_FAILED_BAD_TARGETS;
3706
3707	Pet* pet = m_caster->GetPet();
3708
3709	if(!pet)
3710	return SPELL_FAILED_NO_PET;
3711
3712	if(!pet->HaveInDiet(m_targets.getItemTarget()->GetProto()))
3713	return SPELL_FAILED_WRONG_PET_FOOD;
3714
3715	if(!pet->GetCurrentFoodBenefitLevel(m_targets.getItemTarget()->GetProto()->ItemLevel))
3716	return SPELL_FAILED_FOOD_LOWLEVEL;
3717
3718	if(m_caster->isInCombat() \|\| pet->isInCombat())
3719	return SPELL_FAILED_AFFECTING_COMBAT;
3720
3721	break;
3722	}
3723	case SPELL_EFFECT_POWER_BURN:
3724	case SPELL_EFFECT_POWER_DRAIN:
3725	{
3726	// Can be area effect, Check only for players and not check if target - caster (spell can have multiply drain/burn effects)
3727	if(m_caster->GetTypeId() == TYPEID_PLAYER)
3728	if(Unit* target = m_targets.getUnitTarget())
3729	if(target!=m_caster && target->getPowerType()!=m_spellInfo->EffectMiscValue[i])
3730	return SPELL_FAILED_BAD_TARGETS;
3731	break;
3732	}
3733	case SPELL_EFFECT_CHARGE:
3734	{
3735	if (m_caster->hasUnitState(UNIT_STAT_ROOT))
3736	return SPELL_FAILED_ROOTED;
3737
3738	break;
3739	}
3740	case SPELL_EFFECT_SKINNING:
3741	{
3742	if (m_caster->GetTypeId() != TYPEID_PLAYER \|\| !m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetTypeId() != TYPEID_UNIT)
3743	return SPELL_FAILED_BAD_TARGETS;
3744
3745	if( !(m_targets.getUnitTarget()->GetUInt32Value(UNIT_FIELD_FLAGS) & UNIT_FLAG_SKINNABLE) )
3746	return SPELL_FAILED_TARGET_UNSKINNABLE;
3747
3748	Creature* creature = (Creature*)m_targets.getUnitTarget();
3749	if ( creature->GetCreatureType() != CREATURE_TYPE_CRITTER && ( !creature->lootForBody \|\| !creature->loot.empty() ) )
3750	{
3751	return SPELL_FAILED_TARGET_NOT_LOOTED;
3752	}
3753
3754	uint32 skill;
3755	if(creature->GetCreatureInfo()->flag1 & 256)
3756	skill = SKILL_HERBALISM; // special case
3757	else if(creature->GetCreatureInfo()->flag1 & 512)
3758	skill = SKILL_MINING; // special case
3759	else
3760	skill = SKILL_SKINNING; // normal case
3761
3762	int32 skillValue = ((Player*)m_caster)->GetSkillValue(skill);
3763	int32 TargetLevel = m_targets.getUnitTarget()->getLevel();
3764	int32 ReqValue = (skillValue < 100 ? (TargetLevel-10)10 : TargetLevel5);
3765	if (ReqValue > skillValue)
3766	return SPELL_FAILED_LOW_CASTLEVEL;
3767
3768	// chance for fail at orange skinning attempt
3769	if( (m_selfContainer && (*m_selfContainer) == this) &&
3770	skillValue < sWorld.GetConfigMaxSkillValue() &&
3771	(ReqValue < 0 ? 0 : ReqValue) > irand(skillValue-25, skillValue+37) )
3772	return SPELL_FAILED_TRY_AGAIN;
3773
3774	break;
3775	}
3776	case SPELL_EFFECT_OPEN_LOCK_ITEM:
3777	case SPELL_EFFECT_OPEN_LOCK:
3778	{
3779	if( m_spellInfo->EffectImplicitTargetA[i] != TARGET_GAMEOBJECT &&
3780	m_spellInfo->EffectImplicitTargetA[i] != TARGET_GAMEOBJECT_ITEM )
3781	break;
3782
3783	if( m_caster->GetTypeId() != TYPEID_PLAYER // only players can open locks, gather etc.
3784	// we need a go target in case of TARGET_GAMEOBJECT
3785	\|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_GAMEOBJECT && !m_targets.getGOTarget()
3786	// we need a go target, or an openable item target in case of TARGET_GAMEOBJECT_ITEM
3787	\|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_GAMEOBJECT_ITEM && !m_targets.getGOTarget() &&
3788	(!m_targets.getItemTarget() \|\| !m_targets.getItemTarget()->GetProto()->LockID \|\| m_targets.getItemTarget()->GetOwner() != m_caster ) )
3789	return SPELL_FAILED_BAD_TARGETS;
3790
3791	// In BattleGround players can use only flags and banners
3792	if( ((Player*)m_caster)->InBattleGround() &&
3793	!((Player*)m_caster)->isAllowUseBattleGroundObject() )
3794	return SPELL_FAILED_TRY_AGAIN;
3795
3796	// get the lock entry
3797	LockEntry const *lockInfo = NULL;
3798	if (GameObject* go=m_targets.getGOTarget())
3799	lockInfo = sLockStore.LookupEntry(go->GetLockId());
3800	else if(Item* itm=m_targets.getItemTarget())
3801	lockInfo = sLockStore.LookupEntry(itm->GetProto()->LockID);
3802
3803	// check lock compatibility
3804	if (lockInfo)
3805	{
3806	// check for lock - key pair (checked by client also, just prevent cheating
3807	bool ok_key = false;
3808	for(int it = 0; it < 5; ++it)
3809	{
3810	switch(lockInfo->keytype[it])
3811	{
3812	case LOCK_KEY_NONE:
3813	break;
3814	case LOCK_KEY_ITEM:
3815	{
3816	if(lockInfo->key[it])
3817	{
3818	if(m_CastItem && m_CastItem->GetEntry()==lockInfo->key[it])
3819	ok_key =true;
3820	break;
3821	}
3822	}
3823	case LOCK_KEY_SKILL:
3824	{
3825	if(uint32(m_spellInfo->EffectMiscValue[i])!=lockInfo->key[it])
3826	break;
3827
3828	switch(lockInfo->key[it])
3829	{
3830	case LOCKTYPE_HERBALISM:
3831	if(((Player*)m_caster)->HasSkill(SKILL_HERBALISM))
3832	ok_key =true;
3833	break;
3834	case LOCKTYPE_MINING:
3835	if(((Player*)m_caster)->HasSkill(SKILL_MINING))
3836	ok_key =true;
3837	break;
3838	default:
3839	ok_key =true;
3840	break;
3841	}
3842	}
3843	}
3844	if(ok_key)
3845	break;
3846	}
3847
3848	if(!ok_key)
3849	return SPELL_FAILED_BAD_TARGETS;
3850	}
3851
3852	// chance for fail at orange mining/herb/LockPicking gathering attempt
3853	if (!m_selfContainer \|\| ((*m_selfContainer) != this))
3854	break;
3855
3856	// get the skill value of the player
3857	int32 SkillValue = 0;
3858	bool canFailAtMax = true;
3859	if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_HERBALISM)
3860	{
3861	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_HERBALISM);
3862	canFailAtMax = false;
3863	}
3864	else if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_MINING)
3865	{
3866	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_MINING);
3867	canFailAtMax = false;
3868	}
3869	else if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_PICKLOCK)
3870	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_LOCKPICKING);
3871
3872	// castitem check: rogue using skeleton keys. the skill values should not be added in this case.
3873	if(m_CastItem)
3874	SkillValue = 0;
3875
3876	// add the damage modifier from the spell casted (cheat lock / skeleton key etc.) (use m_currentBasePoints, CalculateDamage returns wrong value)
3877	SkillValue += m_currentBasePoints[i]+1;
3878
3879	// get the required lock value
3880	int32 ReqValue=0;
3881	if (lockInfo)
3882	{
3883	// check for lock - key pair
3884	bool ok = false;
3885	for(int it = 0; it < 5; ++it)
3886	{
3887	if(lockInfo->keytype[it]==LOCK_KEY_ITEM && lockInfo->key[it] && m_CastItem && m_CastItem->GetEntry()==lockInfo->key[it])
3888	{
3889	// if so, we're good to go
3890	ok = true;
3891	break;
3892	}
3893	}
3894	if(ok)
3895	break;
3896
3897	if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_PICKLOCK)
3898	ReqValue = lockInfo->requiredlockskill;
3899	else
3900	ReqValue = lockInfo->requiredminingskill;
3901	}
3902
3903	// skill doesn't meet the required value
3904	if (ReqValue > SkillValue)
3905	return SPELL_FAILED_LOW_CASTLEVEL;
3906
3907	// chance for failure in orange gather / lockpick (gathering skill can't fail at maxskill)
3908	if((canFailAtMax \|\| SkillValue < sWorld.GetConfigMaxSkillValue()) && ReqValue > irand(SkillValue-25, SkillValue+37))
3909	return SPELL_FAILED_TRY_AGAIN;
3910
3911	break;
3912	}
3913	case SPELL_EFFECT_SUMMON_DEAD_PET:
3914	{
3915	Creature *pet = m_caster->GetPet();
3916	if(!pet)
3917	return SPELL_FAILED_NO_PET;
3918
3919	if(pet->isAlive())
3920	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3921
3922	break;
3923	}
3924	// This is generic summon effect now and don't make this check for summon types similar
3925	// SPELL_EFFECT_SUMMON_CRITTER, SPELL_EFFECT_SUMMON_WILD or SPELL_EFFECT_SUMMON_GUARDIAN.
3926	// These won't show up in m_caster->GetPetGUID()
3927	case SPELL_EFFECT_SUMMON:
3928	{
3929	switch(m_spellInfo->EffectMiscValueB[i])
3930	{
3931	case SUMMON_TYPE_POSESSED:
3932	case SUMMON_TYPE_POSESSED2:
3933	case SUMMON_TYPE_DEMON:
3934	case SUMMON_TYPE_SUMMON:
3935	{
3936	if(m_caster->GetPetGUID())
3937	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3938
3939	if(m_caster->GetCharmGUID())
3940	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3941	break;
3942	}
3943	}
3944	break;
3945	}
3946	// Don't make this check for SPELL_EFFECT_SUMMON_CRITTER, SPELL_EFFECT_SUMMON_WILD or SPELL_EFFECT_SUMMON_GUARDIAN.
3947	// These won't show up in m_caster->GetPetGUID()
3948	case SPELL_EFFECT_SUMMON_POSSESSED:
3949	case SPELL_EFFECT_SUMMON_PHANTASM:
3950	case SPELL_EFFECT_SUMMON_DEMON:
3951	{
3952	if(m_caster->GetPetGUID())
3953	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3954
3955	if(m_caster->GetCharmGUID())
3956	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3957
3958	break;
3959	}
3960	case SPELL_EFFECT_SUMMON_PET:
3961	{
3962	if(m_caster->GetPetGUID()) //let warlock do a replacement summon
3963	{
3964
3965	Pet* pet = ((Player*)m_caster)->GetPet();
3966
3967	if (m_caster->GetTypeId()==TYPEID_PLAYER && m_caster->getClass()==CLASS_WARLOCK)
3968	{
3969	if (strict) //starting cast, trigger pet stun (cast by pet so it doesn't attack player)
3970	pet->CastSpell(pet, 32752, true, NULL, NULL, pet->GetGUID());
3971	}
3972	else
3973	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3974	}
3975
3976	if(m_caster->GetCharmGUID())
3977	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3978
3979	break;
3980	}
3981	case SPELL_EFFECT_SUMMON_PLAYER:
3982	{
3983	if(m_caster->GetTypeId()!=TYPEID_PLAYER)
3984	return SPELL_FAILED_BAD_TARGETS;
3985	if(!((Player*)m_caster)->GetSelection())
3986	return SPELL_FAILED_BAD_TARGETS;
3987
3988	Player* target = objmgr.GetPlayer(((Player*)m_caster)->GetSelection());
3989	if( !target \|\| ((Player)m_caster)==target \|\| !target->IsInSameRaidWith((Player)m_caster) )
3990	return SPELL_FAILED_BAD_TARGETS;
3991
3992	// check if our map is dungeon
3993	if( sMapStore.LookupEntry(m_caster->GetMapId())->IsDungeon() )
3994	{
3995	InstanceTemplate const* instance = ObjectMgr::GetInstanceTemplate(m_caster->GetMapId());
3996	if(!instance)
3997	return SPELL_FAILED_TARGET_NOT_IN_INSTANCE;
3998	if ( instance->levelMin > target->getLevel() )
3999	return SPELL_FAILED_LOWLEVEL;
4000	if ( instance->levelMax && instance->levelMax < target->getLevel() )
4001	return SPELL_FAILED_HIGHLEVEL;
4002	}
4003	break;
4004	}
4005	case SPELL_EFFECT_LEAP:
4006	case SPELL_EFFECT_TELEPORT_UNITS_FACE_CASTER:
4007	{
4008	float dis = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
4009	float fx = m_caster->GetPositionX() + dis * cos(m_caster->GetOrientation());
4010	float fy = m_caster->GetPositionY() + dis * sin(m_caster->GetOrientation());
4011	// teleport a bit above terrain level to avoid falling below it
4012	float fz = MapManager::Instance().GetBaseMap(m_caster->GetMapId())->GetHeight(fx,fy,m_caster->GetPositionZ(),true);
4013	if(fz <= INVALID_HEIGHT) // note: this also will prevent use effect in instances without vmaps height enabled
4014	return SPELL_FAILED_TRY_AGAIN;
4015
4016	float caster_pos_z = m_caster->GetPositionZ();
4017	// Control the caster to not climb or drop when +-fz > 8
4018	if(!(fz<=caster_pos_z+8 && fz>=caster_pos_z-8))
4019	return SPELL_FAILED_TRY_AGAIN;
4020
4021	// not allow use this effect at battleground until battleground start
4022	if(m_caster->GetTypeId()==TYPEID_PLAYER)
4023	if(BattleGround const bg = ((Player)m_caster)->GetBattleGround())
4024	if(bg->GetStatus() != STATUS_IN_PROGRESS)
4025	return SPELL_FAILED_TRY_AGAIN;
4026	break;
4027	}
4028	case SPELL_EFFECT_STEAL_BENEFICIAL_BUFF:
4029	{
4030	if (m_targets.getUnitTarget()==m_caster)
4031	return SPELL_FAILED_BAD_TARGETS;
4032	break;
4033	}
4034	default:break;
4035	}
4036	}
4037
4038	for (int i = 0; i < 3; i++)
4039	{
4040	switch(m_spellInfo->EffectApplyAuraName[i])
4041	{
4042	case SPELL_AURA_MOD_POSSESS:
4043	case SPELL_AURA_MOD_CHARM:
4044	{
4045	if(m_caster->GetPetGUID())
4046	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
4047
4048	if(m_caster->GetCharmGUID())
4049	return SPELL_FAILED_ALREADY_HAVE_CHARM;
4050
4051	if(m_caster->GetCharmerGUID())
4052	return SPELL_FAILED_CHARMED;
4053
4054	if(!m_targets.getUnitTarget())
4055	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4056
4057	if(m_targets.getUnitTarget()->GetCharmerGUID())
4058	return SPELL_FAILED_CHARMED;
4059
4060	if(int32(m_targets.getUnitTarget()->getLevel()) > CalculateDamage(i,m_targets.getUnitTarget()))
4061	return SPELL_FAILED_HIGHLEVEL;
4062	};break;
4063	case SPELL_AURA_MOUNTED:
4064	{
4065	if (m_caster->IsInWater())
4066	return SPELL_FAILED_ONLY_ABOVEWATER;
4067
4068	if (m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->GetTransport())
4069	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
4070
4071	// Ignore map check if spell have AreaId. AreaId already checked and this prevent special mount spells
4072	if (m_caster->GetTypeId()==TYPEID_PLAYER && !sMapStore.LookupEntry(m_caster->GetMapId())->IsMountAllowed() && !m_IsTriggeredSpell && !m_spellInfo->AreaId)
4073	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
4074
4075	if (m_caster->GetAreaId()==35)
4076	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
4077
4078	ShapeshiftForm form = m_caster->m_form;
4079	if( form == FORM_CAT \|\| form == FORM_TREE \|\| form == FORM_TRAVEL \|\|
4080	form == FORM_AQUA \|\| form == FORM_BEAR \|\| form == FORM_DIREBEAR \|\|
4081	form == FORM_CREATUREBEAR \|\| form == FORM_GHOSTWOLF \|\| form == FORM_FLIGHT \|\|
4082	form == FORM_FLIGHT_EPIC \|\| form == FORM_MOONKIN )
4083	return SPELL_FAILED_NOT_SHAPESHIFT;
4084
4085	break;
4086	}
4087	case SPELL_AURA_RANGED_ATTACK_POWER_ATTACKER_BONUS:
4088	{
4089	if(!m_targets.getUnitTarget())
4090	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4091
4092	// can be casted at non-friendly unit or own pet/charm
4093	if(m_caster->IsFriendlyTo(m_targets.getUnitTarget()))
4094	return SPELL_FAILED_TARGET_FRIENDLY;
4095	};break;
4096	case SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED:
4097	case SPELL_AURA_FLY:
4098	{
4099	// not allow cast fly spells at old maps by players (all spells is self target)
4100	if(m_caster->GetTypeId()==TYPEID_PLAYER)
4101	{
4102	if( !((Player*)m_caster)->isGameMaster() &&
4103	GetVirtualMapForMapAndZone(m_caster->GetMapId(),m_caster->GetZoneId()) != 530)
4104	return SPELL_FAILED_NOT_HERE;
4105	}
4106	};break;
4107	case SPELL_AURA_PERIODIC_MANA_LEECH:
4108	{
4109	if (!m_targets.getUnitTarget())
4110	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4111
4112	if (m_caster->GetTypeId()!=TYPEID_PLAYER \|\| m_CastItem)
4113	break;
4114
4115	if(m_targets.getUnitTarget()->getPowerType()!=POWER_MANA)
4116	return SPELL_FAILED_BAD_TARGETS;
4117	break;
4118	}
4119	default:break;
4120	}
4121	}
4122
4123	// all ok
4124	return 0;
4125	}
4126
4127	int16 Spell::PetCanCast(Unit* target)
4128	{
4129	if(!m_caster->isAlive())
4130	return SPELL_FAILED_CASTER_DEAD;
4131
4132	if(m_caster->IsNonMeleeSpellCasted(false)) //prevent spellcast interuption by another spellcast
4133	return SPELL_FAILED_SPELL_IN_PROGRESS;
4134	if(m_caster->isInCombat() && IsNonCombatSpell(m_spellInfo))
4135	return SPELL_FAILED_AFFECTING_COMBAT;
4136
4137	if(m_caster->GetTypeId()==TYPEID_UNIT && (((Creature*)m_caster)->isPet() \|\| m_caster->isCharmed()))
4138	{
4139	//dead owner (pets still alive when owners ressed?)
4140	if(m_caster->GetCharmerOrOwner() && !m_caster->GetCharmerOrOwner()->isAlive())
4141	return SPELL_FAILED_CASTER_DEAD;
4142
4143	if(!target && m_targets.getUnitTarget())
4144	target = m_targets.getUnitTarget();
4145
4146	bool need = false;
4147	for(uint32 i = 0;i<3;i++)
4148	{
4149	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)
4150	{
4151	need = true;
4152	if(!target)
4153	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4154	break;
4155	}
4156	}
4157	if(need)
4158	m_targets.setUnitTarget(target);
4159
4160	Unit* _target = m_targets.getUnitTarget();
4161
4162	if(_target) //for target dead/target not valid
4163	{
4164	if(!_target->isAlive())
4165	return SPELL_FAILED_BAD_TARGETS;
4166
4167	if(IsPositiveSpell(m_spellInfo->Id))
4168	{
4169	if(m_caster->IsHostileTo(_target))
4170	return SPELL_FAILED_BAD_TARGETS;
4171	}
4172	else
4173	{
4174	bool duelvsplayertar = false;
4175	for(int j=0;j<3;j++)
4176	{
4177	//TARGET_DUELVSPLAYER is positive AND negative
4178	duelvsplayertar \|= (m_spellInfo->EffectImplicitTargetA[j] == TARGET_DUELVSPLAYER);
4179	}
4180	if(m_caster->IsFriendlyTo(target) && !duelvsplayertar)
4181	{
4182	return SPELL_FAILED_BAD_TARGETS;
4183	}
4184	}
4185	}
4186	//cooldown
4187	if(((Creature*)m_caster)->HasSpellCooldown(m_spellInfo->Id))
4188	return SPELL_FAILED_NOT_READY;
4189	}
4190
4191	uint16 result = CanCast(true);
4192	if(result != 0)
4193	return result;
4194	else
4195	return -1; //this allows to check spell fail 0, in combat
4196	}
4197
4198	uint8 Spell::CheckCasterAuras() const
4199	{
4200	// Flag drop spells totally immuned to caster auras
4201	// FIXME: find more nice check for all totally immuned spells
4202	// AttributesEx3 & 0x10000000?
4203	if(m_spellInfo->Id==23336 \|\| m_spellInfo->Id==23334 \|\| m_spellInfo->Id==34991)
4204	return 0;
4205
4206	uint8 school_immune = 0;
4207	uint32 mechanic_immune = 0;
4208	uint32 dispel_immune = 0;
4209
4210	//Check if the spell grants school or mechanic immunity.
4211	//We use bitmasks so the loop is done only once and not on every aura check below.
4212	if ( m_spellInfo->AttributesEx & SPELL_ATTR_EX_DISPEL_AURAS_ON_IMMUNITY )
4213	{
4214	for(int i = 0;i < 3; i ++)
4215	{
4216	if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_SCHOOL_IMMUNITY)
4217	school_immune \|= uint32(m_spellInfo->EffectMiscValue[i]);
4218	else if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_MECHANIC_IMMUNITY)
4219	mechanic_immune \|= 1 << uint32(m_spellInfo->EffectMiscValue[i]);
4220	else if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_DISPEL_IMMUNITY)
4221	dispel_immune \|= GetDispellMask(DispelType(m_spellInfo->EffectMiscValue[i]));
4222	}
4223	//immune movement impairement and loss of control
4224	if(m_spellInfo->Id==(uint32)42292)
4225	mechanic_immune = IMMUNE_TO_MOVEMENT_IMPAIRMENT_AND_LOSS_CONTROL_MASK;
4226	}
4227
4228	//Check whether the cast should be prevented by any state you might have.
4229	uint8 prevented_reason = 0;
4230	// Have to check if there is a stun aura. Otherwise will have problems with ghost aura apply while logging out
4231	if(!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_STUNNED) && m_caster->HasAuraType(SPELL_AURA_MOD_STUN))
4232	prevented_reason = SPELL_FAILED_STUNNED;
4233	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_CONFUSED) && !(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_CONFUSED))
4234	prevented_reason = SPELL_FAILED_CONFUSED;
4235	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_FLEEING) && !(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_FEARED))
4236	prevented_reason = SPELL_FAILED_FLEEING;
4237	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_SILENCED) && m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_SILENCE)
4238	prevented_reason = SPELL_FAILED_SILENCED;
4239	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PACIFIED) && m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_PACIFY)
4240	prevented_reason = SPELL_FAILED_PACIFIED;
4241
4242	// Attr must make flag drop spell totally immuned from all effects
4243	if(prevented_reason)
4244	{
4245	if(school_immune \|\| mechanic_immune \|\| dispel_immune)
4246	{
4247	//Checking auras is needed now, because you are prevented by some state but the spell grants immunity.
4248	Unit::AuraMap const& auras = m_caster->GetAuras();
4249	for(Unit::AuraMap::const_iterator itr = auras.begin(); itr != auras.end(); itr++)
4250	{
4251	if(itr->second)
4252	{
4253	if( GetSpellMechanicMask(itr->second->GetSpellProto(), itr->second->GetEffIndex()) & mechanic_immune )
4254	continue;
4255	if( GetSpellSchoolMask(itr->second->GetSpellProto()) & school_immune )
4256	continue;
4257	if( (1<<(itr->second->GetSpellProto()->Dispel)) & dispel_immune)
4258	continue;
4259
4260	//Make a second check for spell failed so the right SPELL_FAILED message is returned.
4261	//That is needed when your casting is prevented by multiple states and you are only immune to some of them.
4262	switch(itr->second->GetModifier()->m_auraname)
4263	{
4264	case SPELL_AURA_MOD_STUN:
4265	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_STUNNED))
4266	return SPELL_FAILED_STUNNED;
4267	break;
4268	case SPELL_AURA_MOD_CONFUSE:
4269	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_CONFUSED))
4270	return SPELL_FAILED_CONFUSED;
4271	break;
4272	case SPELL_AURA_MOD_FEAR:
4273	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_FEARED))
4274	return SPELL_FAILED_FLEEING;
4275	break;
4276	case SPELL_AURA_MOD_SILENCE:
4277	case SPELL_AURA_MOD_PACIFY:
4278	case SPELL_AURA_MOD_PACIFY_SILENCE:
4279	if( m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_PACIFY)
4280	return SPELL_FAILED_PACIFIED;
4281	else if ( m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_SILENCE)
4282	return SPELL_FAILED_SILENCED;
4283	break;
4284	}
4285	}
4286	}
4287	}
4288	//You are prevented from casting and the spell casted does not grant immunity. Return a failed error.
4289	else
4290	return prevented_reason;
4291	}
4292	return 0; // all ok
4293	}
4294
4295	bool Spell::CanAutoCast(Unit* target)
4296	{
4297	uint64 targetguid = target->GetGUID();
4298
4299	for(uint32 j = 0;j<3;j++)
4300	{
4301	if(m_spellInfo->Effect[j] == SPELL_EFFECT_APPLY_AURA)
4302	{
4303	if( m_spellInfo->StackAmount <= 1)
4304	{
4305	if( target->HasAura(m_spellInfo->Id, j) )
4306	return false;
4307	}
4308	else
4309	{
4310	if( target->GetAuras().count(Unit::spellEffectPair(m_spellInfo->Id, j)) >= m_spellInfo->StackAmount)
4311	return false;
4312	}
4313	}
4314	else if ( IsAreaAuraEffect( m_spellInfo->Effect[j] ))
4315	{
4316	if( target->HasAura(m_spellInfo->Id, j) )
4317	return false;
4318	}
4319	}
4320
4321	int16 result = PetCanCast(target);
4322
4323	if(result == -1 \|\| result == SPELL_FAILED_UNIT_NOT_INFRONT)
4324	{
4325	FillTargetMap();
4326	//check if among target units, our WANTED target is as well (->only self cast spells return false)
4327	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
4328	if( ihit->targetGUID == targetguid )
4329	return true;
4330	}
4331	return false; //target invalid
4332	}
4333
4334	uint8 Spell::CheckRange(bool strict)
4335	{
4336	float range_mod;
4337
4338	// self cast doesn't need range checking -- also for Starshards fix
4339	if (m_spellInfo->rangeIndex == 1) return 0;
4340
4341	if (strict) //add radius of caster
4342	range_mod = 1.25;
4343	else //add radius of caster and ~5 yds "give"
4344	range_mod = 6.25;
4345
4346	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
4347	float max_range = GetSpellMaxRange(srange) + range_mod;
4348	float min_range = GetSpellMinRange(srange);
4349
4350	if(Player* modOwner = m_caster->GetSpellModOwner())
4351	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_RANGE, max_range, this);
4352
4353	Unit *target = m_targets.getUnitTarget();
4354
4355	if(target && target != m_caster)
4356	{
4357	// distance from target center in checks
4358	if(!m_caster->IsWithinCombatDist(target, max_range))
4359	return SPELL_FAILED_OUT_OF_RANGE; //0x5A;
4360	if(min_range && m_caster->IsWithinCombatDist(target, min_range)) // skip this check if min_range = 0
4361	return SPELL_FAILED_TOO_CLOSE;
4362	if( m_caster->GetTypeId() == TYPEID_PLAYER &&
4363	(m_spellInfo->FacingCasterFlags & SPELL_FACING_FLAG_INFRONT) && !m_caster->HasInArc( M_PI, target ) )
4364	return SPELL_FAILED_UNIT_NOT_INFRONT;
4365	}
4366
4367	if(m_targets.m_targetMask == TARGET_FLAG_DEST_LOCATION && m_targets.m_destX != 0 && m_targets.m_destY != 0 && m_targets.m_destZ != 0)
4368	{
4369	float dist = m_caster->GetDistance(m_targets.m_destX, m_targets.m_destY, m_targets.m_destZ);
4370	if(dist > max_range)
4371	return SPELL_FAILED_OUT_OF_RANGE;
4372	if(dist < min_range)
4373	return SPELL_FAILED_TOO_CLOSE;
4374	}
4375
4376	return 0; // ok
4377	}
4378
4379	int32 Spell::CalculatePowerCost()
4380	{
4381	// item cast not used power
4382	if(m_CastItem)
4383	return 0;
4384
4385	// Spell drain all exist power on cast (Only paladin lay of Hands)
4386	if (m_spellInfo->AttributesEx & SPELL_ATTR_EX_DRAIN_ALL_POWER)
4387	{
4388	// If power type - health drain all
4389	if (m_spellInfo->powerType == POWER_HEALTH)
4390	return m_caster->GetHealth();
4391	// Else drain all power
4392	if (m_spellInfo->powerType < MAX_POWERS)
4393	return m_caster->GetPower(Powers(m_spellInfo->powerType));
4394	sLog.outError("Spell::CalculateManaCost: Unknown power type '%d' in spell %d", m_spellInfo->powerType, m_spellInfo->Id);
4395	return 0;
4396	}
4397
4398	// Base powerCost
4399	int32 powerCost = m_spellInfo->manaCost;
4400	// PCT cost from total amount
4401	if (m_spellInfo->ManaCostPercentage)
4402	{
4403	switch (m_spellInfo->powerType)
4404	{
4405	// health as power used
4406	case POWER_HEALTH:
4407	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetCreateHealth() / 100;
4408	break;
4409	case POWER_MANA:
4410	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetCreateMana() / 100;
4411	break;
4412	case POWER_RAGE:
4413	case POWER_FOCUS:
4414	case POWER_ENERGY:
4415	case POWER_HAPPINESS:
4416	// case POWER_RUNES:
4417	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetMaxPower(Powers(m_spellInfo->powerType)) / 100;
4418	break;
4419	default:
4420	sLog.outError("Spell::CalculateManaCost: Unknown power type '%d' in spell %d", m_spellInfo->powerType, m_spellInfo->Id);
4421	return 0;
4422	}
4423	}
4424	SpellSchools school = GetFirstSchoolInMask(m_spellSchoolMask);
4425	// Flat mod from caster auras by spell school
4426	powerCost += m_caster->GetInt32Value(UNIT_FIELD_POWER_COST_MODIFIER + school);
4427	// Shiv - costs 20 + weaponSpeed*10 energy (apply only to non-triggered spell with energy cost)
4428	if ( m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_SPELL_VS_EXTEND_COST )
4429	powerCost += m_caster->GetAttackTime(OFF_ATTACK)/100;
4430	// Apply cost mod by spell
4431	if(Player* modOwner = m_caster->GetSpellModOwner())
4432	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COST, powerCost, this);
4433
4434	if(m_spellInfo->Attributes & SPELL_ATTR_LEVEL_DAMAGE_CALCULATION)
4435	powerCost = int32(powerCost/ (1.117f* m_spellInfo->spellLevel / m_caster->getLevel() -0.1327f));
4436
4437	// PCT mod from user auras by school
4438	powerCost = int32(powerCost * (1.0f+m_caster->GetFloatValue(UNIT_FIELD_POWER_COST_MULTIPLIER+school)));
4439	if (powerCost < 0)
4440	powerCost = 0;
4441	return powerCost;
4442	}
4443
4444	uint8 Spell::CheckPower()
4445	{
4446	// item cast not used power
4447	if(m_CastItem)
4448	return 0;
4449
4450	// health as power used - need check health amount
4451	if(m_spellInfo->powerType == POWER_HEALTH)
4452	{
4453	if(m_caster->GetHealth() <= m_powerCost)
4454	return SPELL_FAILED_CASTER_AURASTATE;
4455	return 0;
4456	}
4457	// Check valid power type
4458	if( m_spellInfo->powerType >= MAX_POWERS )
4459	{
4460	sLog.outError("Spell::CheckMana: Unknown power type '%d'", m_spellInfo->powerType);
4461	return SPELL_FAILED_UNKNOWN;
4462	}
4463	// Check power amount
4464	Powers powerType = Powers(m_spellInfo->powerType);
4465	if(m_caster->GetPower(powerType) < m_powerCost)
4466	return SPELL_FAILED_NO_POWER;
4467	else
4468	return 0;
4469	}
4470
4471	uint8 Spell::CheckItems()
4472	{
4473	if (m_caster->GetTypeId() != TYPEID_PLAYER)
4474	return 0;
4475
4476	uint32 itemid, itemcount;
4477	Player* p_caster = (Player*)m_caster;
4478
4479	if(m_CastItem)
4480	{
4481	itemid = m_CastItem->GetEntry();
4482	if( !p_caster->HasItemCount(itemid,1) )
4483	return SPELL_FAILED_ITEM_NOT_READY;
4484	else
4485	{
4486	ItemPrototype const *proto = m_CastItem->GetProto();
4487	if(!proto)
4488	return SPELL_FAILED_ITEM_NOT_READY;
4489
4490	for (int i = 0; i<5; i++)
4491	{
4492	if (proto->Spells[i].SpellCharges)
4493	{
4494	if(m_CastItem->GetSpellCharges(i)==0)
4495	return SPELL_FAILED_NO_CHARGES_REMAIN;
4496	}
4497	}
4498
4499	uint32 ItemClass = proto->Class;
4500	if (ItemClass == ITEM_CLASS_CONSUMABLE && m_targets.getUnitTarget())
4501	{
4502	for (int i = 0; i < 3; i++)
4503	{
4504	// skip check, pet not required like checks, and for TARGET_PET m_targets.getUnitTarget() is not the real target but the caster
4505	if (m_spellInfo->EffectImplicitTargetA[i] == TARGET_PET)
4506	continue;
4507
4508	if (m_spellInfo->Effect[i] == SPELL_EFFECT_HEAL)
4509	if (m_targets.getUnitTarget()->GetHealth() == m_targets.getUnitTarget()->GetMaxHealth())
4510	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_HEALTH;
4511
4512	// Mana Potion, Rage Potion, Thistle Tea(Rogue), ...
4513	if (m_spellInfo->Effect[i] == SPELL_EFFECT_ENERGIZE)
4514	{
4515	if(m_spellInfo->EffectMiscValue[i] < 0 \|\| m_spellInfo->EffectMiscValue[i] >= MAX_POWERS)
4516	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_POWER;
4517
4518	Powers power = Powers(m_spellInfo->EffectMiscValue[i]);
4519
4520	if (m_targets.getUnitTarget()->GetPower(power) == m_targets.getUnitTarget()->GetMaxPower(power))
4521	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_POWER;
4522	}
4523	}
4524	}
4525	}
4526	}
4527
4528	if(m_targets.getItemTargetGUID())
4529	{
4530	if(m_caster->GetTypeId() != TYPEID_PLAYER)
4531	return SPELL_FAILED_BAD_TARGETS;
4532
4533	if(!m_targets.getItemTarget())
4534	return SPELL_FAILED_ITEM_GONE;
4535
4536	if(!m_targets.getItemTarget()->IsFitToSpellRequirements(m_spellInfo))
4537	return SPELL_FAILED_EQUIPPED_ITEM_CLASS;
4538	}
4539	// if not item target then required item must be equipped
4540	else
4541	{
4542	if(m_caster->GetTypeId() == TYPEID_PLAYER && !((Player*)m_caster)->HasItemFitToSpellReqirements(m_spellInfo))
4543	return SPELL_FAILED_EQUIPPED_ITEM_CLASS;
4544	}
4545
4546	if(m_spellInfo->RequiresSpellFocus)
4547	{
4548	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
4549	Cell cell(p);
4550	cell.data.Part.reserved = ALL_DISTRICT;
4551
4552	GameObject* ok = NULL;
4553	Trinity::GameObjectFocusCheck go_check(m_caster,m_spellInfo->RequiresSpellFocus);
4554	Trinity::GameObjectSearcher<Trinity::GameObjectFocusCheck> checker(ok,go_check);
4555
4556	TypeContainerVisitor<Trinity::GameObjectSearcher<Trinity::GameObjectFocusCheck>, GridTypeMapContainer > object_checker(checker);
4557	CellLock<GridReadGuard> cell_lock(cell, p);
4558	cell_lock->Visit(cell_lock, object_checker, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
4559
4560	if(!ok)
4561	return (uint8)SPELL_FAILED_REQUIRES_SPELL_FOCUS;
4562
4563	focusObject = ok; // game object found in range
4564	}
4565
4566	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_NO_REAGENT_WHILE_PREP &&
4567	m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREPARATION)))
4568	{
4569	for(uint32 i=0;i<8;i++)
4570	{
4571	if(m_spellInfo->Reagent[i] <= 0)
4572	continue;
4573
4574	itemid = m_spellInfo->Reagent[i];
4575	itemcount = m_spellInfo->ReagentCount[i];
4576
4577	// if CastItem is also spell reagent
4578	if( m_CastItem && m_CastItem->GetEntry() == itemid )
4579	{
4580	ItemPrototype const *proto = m_CastItem->GetProto();
4581	if(!proto)
4582	return SPELL_FAILED_ITEM_NOT_READY;
4583	for(int s=0;s<5;s++)
4584	{
4585	// CastItem will be used up and does not count as reagent
4586	int32 charges = m_CastItem->GetSpellCharges(s);
4587	if (proto->Spells[s].SpellCharges < 0 && abs(charges) < 2)
4588	{
4589	++itemcount;
4590	break;
4591	}
4592	}
4593	}
4594	if( !p_caster->HasItemCount(itemid,itemcount) )
4595	return (uint8)SPELL_FAILED_ITEM_NOT_READY; //0x54
4596	}
4597	}
4598
4599	uint32 totems = 2;
4600	for(int i=0;i<2;++i)
4601	{
4602	if(m_spellInfo->Totem[i] != 0)
4603	{
4604	if( p_caster->HasItemCount(m_spellInfo->Totem[i],1) )
4605	{
4606	totems -= 1;
4607	continue;
4608	}
4609	}else
4610	totems -= 1;
4611	}
4612	if(totems != 0)
4613	return (uint8)SPELL_FAILED_TOTEMS; //0x7C
4614
4615	//Check items for TotemCategory
4616	uint32 TotemCategory = 2;
4617	for(int i=0;i<2;++i)
4618	{
4619	if(m_spellInfo->TotemCategory[i] != 0)
4620	{
4621	if( p_caster->HasItemTotemCategory(m_spellInfo->TotemCategory[i]) )
4622	{
4623	TotemCategory -= 1;
4624	continue;
4625	}
4626	}
4627	else
4628	TotemCategory -= 1;
4629	}
4630	if(TotemCategory != 0)
4631	return (uint8)SPELL_FAILED_TOTEM_CATEGORY; //0x7B
4632
4633	for(int i = 0; i < 3; i++)
4634	{
4635	switch (m_spellInfo->Effect[i])
4636	{
4637	case SPELL_EFFECT_CREATE_ITEM:
4638	{
4639	if (!m_IsTriggeredSpell && m_spellInfo->EffectItemType[i])
4640	{
4641	ItemPosCountVec dest;
4642	uint8 msg = p_caster->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, m_spellInfo->EffectItemType[i], 1 );
4643	if (msg != EQUIP_ERR_OK )
4644	{
4645	p_caster->SendEquipError( msg, NULL, NULL );
4646	return SPELL_FAILED_DONT_REPORT;
4647	}
4648	}
4649	break;
4650	}
4651	case SPELL_EFFECT_ENCHANT_ITEM:
4652	{
4653	Item* targetItem = m_targets.getItemTarget();
4654	if(!targetItem)
4655	return SPELL_FAILED_ITEM_NOT_FOUND;
4656
4657	if( targetItem->GetProto()->ItemLevel < m_spellInfo->baseLevel )
4658	return SPELL_FAILED_LOWLEVEL;
4659	// Not allow enchant in trade slot for some enchant type
4660	if( targetItem->GetOwner() != m_caster )
4661	{
4662	uint32 enchant_id = m_spellInfo->EffectMiscValue[i];
4663	SpellItemEnchantmentEntry const *pEnchant = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
4664	if(!pEnchant)
4665	return SPELL_FAILED_ERROR;
4666	if (pEnchant->slot & ENCHANTMENT_CAN_SOULBOUND)
4667	return SPELL_FAILED_NOT_TRADEABLE;
4668	}
4669	break;
4670	}
4671	case SPELL_EFFECT_ENCHANT_ITEM_TEMPORARY:
4672	{
4673	Item *item = m_targets.getItemTarget();
4674	if(!item)
4675	return SPELL_FAILED_ITEM_NOT_FOUND;
4676	// Not allow enchant in trade slot for some enchant type
4677	if( item->GetOwner() != m_caster )
4678	{
4679	uint32 enchant_id = m_spellInfo->EffectMiscValue[i];
4680	SpellItemEnchantmentEntry const *pEnchant = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
4681	if(!pEnchant)
4682	return SPELL_FAILED_ERROR;
4683	if (pEnchant->slot & ENCHANTMENT_CAN_SOULBOUND)
4684	return SPELL_FAILED_NOT_TRADEABLE;
4685	}
4686	break;
4687	}
4688	case SPELL_EFFECT_ENCHANT_HELD_ITEM:
4689	// check item existence in effect code (not output errors at offhand hold item effect to main hand for example
4690	break;
4691	case SPELL_EFFECT_DISENCHANT:
4692	{
4693	if(!m_targets.getItemTarget())
4694	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4695
4696	// prevent disenchanting in trade slot
4697	if( m_targets.getItemTarget()->GetOwnerGUID() != m_caster->GetGUID() )
4698	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4699
4700	ItemPrototype const* itemProto = m_targets.getItemTarget()->GetProto();
4701	if(!itemProto)
4702	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4703
4704	uint32 item_quality = itemProto->Quality;
4705	// 2.0.x addon: Check player enchanting level agains the item desenchanting requirements
4706	uint32 item_disenchantskilllevel = itemProto->RequiredDisenchantSkill;
4707	if (item_disenchantskilllevel == uint32(-1))
4708	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4709	if (item_disenchantskilllevel > p_caster->GetSkillValue(SKILL_ENCHANTING))
4710	return SPELL_FAILED_LOW_CASTLEVEL;
4711	if(item_quality > 4 \|\| item_quality < 2)
4712	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4713	if(itemProto->Class != ITEM_CLASS_WEAPON && itemProto->Class != ITEM_CLASS_ARMOR)
4714	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4715	if (!itemProto->DisenchantID)
4716	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4717	break;
4718	}
4719	case SPELL_EFFECT_PROSPECTING:
4720	{
4721	if(!m_targets.getItemTarget())
4722	return SPELL_FAILED_CANT_BE_PROSPECTED;
4723	//ensure item is a prospectable ore
4724	if(!(m_targets.getItemTarget()->GetProto()->BagFamily & BAG_FAMILY_MASK_MINING_SUPP) \|\| m_targets.getItemTarget()->GetProto()->Class != ITEM_CLASS_TRADE_GOODS)
4725	return SPELL_FAILED_CANT_BE_PROSPECTED;
4726	//prevent prospecting in trade slot
4727	if( m_targets.getItemTarget()->GetOwnerGUID() != m_caster->GetGUID() )
4728	return SPELL_FAILED_CANT_BE_PROSPECTED;
4729	//Check for enough skill in jewelcrafting
4730	uint32 item_prospectingskilllevel = m_targets.getItemTarget()->GetProto()->RequiredSkillRank;
4731	if(item_prospectingskilllevel >p_caster->GetSkillValue(SKILL_JEWELCRAFTING))
4732	return SPELL_FAILED_LOW_CASTLEVEL;
4733	//make sure the player has the required ores in inventory
4734	if(m_targets.getItemTarget()->GetCount() < 5)
4735	return SPELL_FAILED_PROSPECT_NEED_MORE;
4736
4737	if(!LootTemplates_Prospecting.HaveLootFor(m_targets.getItemTargetEntry()))
4738	return SPELL_FAILED_CANT_BE_PROSPECTED;
4739
4740	break;
4741	}
4742	case SPELL_EFFECT_WEAPON_DAMAGE:
4743	case SPELL_EFFECT_WEAPON_DAMAGE_NOSCHOOL:
4744	{
4745	if(m_caster->GetTypeId() != TYPEID_PLAYER) return SPELL_FAILED_TARGET_NOT_PLAYER;
4746	if( m_attackType != RANGED_ATTACK )
4747	break;
4748	Item pItem = ((Player)m_caster)->GetWeaponForAttack(m_attackType);
4749	if(!pItem \|\| pItem->IsBroken())
4750	return SPELL_FAILED_EQUIPPED_ITEM;
4751
4752	switch(pItem->GetProto()->SubClass)
4753	{
4754	case ITEM_SUBCLASS_WEAPON_THROWN:
4755	{
4756	uint32 ammo = pItem->GetEntry();
4757	if( !((Player*)m_caster)->HasItemCount( ammo, 1 ) )
4758	return SPELL_FAILED_NO_AMMO;
4759	}; break;
4760	case ITEM_SUBCLASS_WEAPON_GUN:
4761	case ITEM_SUBCLASS_WEAPON_BOW:
4762	case ITEM_SUBCLASS_WEAPON_CROSSBOW:
4763	{
4764	uint32 ammo = ((Player*)m_caster)->GetUInt32Value(PLAYER_AMMO_ID);
4765	if(!ammo)
4766	{
4767	// Requires No Ammo
4768	if(m_caster->GetDummyAura(46699))
4769	break; // skip other checks
4770
4771	return SPELL_FAILED_NO_AMMO;
4772	}
4773
4774	ItemPrototype const *ammoProto = objmgr.GetItemPrototype( ammo );
4775	if(!ammoProto)
4776	return SPELL_FAILED_NO_AMMO;
4777
4778	if(ammoProto->Class != ITEM_CLASS_PROJECTILE)
4779	return SPELL_FAILED_NO_AMMO;
4780
4781	// check ammo ws. weapon compatibility
4782	switch(pItem->GetProto()->SubClass)
4783	{
4784	case ITEM_SUBCLASS_WEAPON_BOW:
4785	case ITEM_SUBCLASS_WEAPON_CROSSBOW:
4786	if(ammoProto->SubClass!=ITEM_SUBCLASS_ARROW)
4787	return SPELL_FAILED_NO_AMMO;
4788	break;
4789	case ITEM_SUBCLASS_WEAPON_GUN:
4790	if(ammoProto->SubClass!=ITEM_SUBCLASS_BULLET)
4791	return SPELL_FAILED_NO_AMMO;
4792	break;
4793	default:
4794	return SPELL_FAILED_NO_AMMO;
4795	}
4796
4797	if( !((Player*)m_caster)->HasItemCount( ammo, 1 ) )
4798	return SPELL_FAILED_NO_AMMO;
4799	}; break;
4800	case ITEM_SUBCLASS_WEAPON_WAND:
4801	default:
4802	break;
4803	}
4804	break;
4805	}
4806	default:break;
4807	}
4808	}
4809
4810	return uint8(0);
4811	}
4812
4813	void Spell::Delayed()
4814	{
4815	if(!m_caster \|\| m_caster->GetTypeId() != TYPEID_PLAYER)
4816	return;
4817
4818	if (m_spellState == SPELL_STATE_DELAYED)
4819	return; // spell is active and can't be time-backed
4820
4821	// spells not loosing casting time ( slam, dynamites, bombs.. )
4822	if(!(m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_DAMAGE))
4823	return;
4824
4825	//check resist chance
4826	int32 resistChance = 100; //must be initialized to 100 for percent modifiers
4827	((Player*)m_caster)->ApplySpellMod(m_spellInfo->Id,SPELLMOD_NOT_LOSE_CASTING_TIME,resistChance, this);
4828	resistChance += m_caster->GetTotalAuraModifier(SPELL_AURA_RESIST_PUSHBACK) - 100;
4829	if (roll_chance_i(resistChance))
4830	return;
4831
4832	int32 delaytime = GetNextDelayAtDamageMsTime();
4833
4834	if(int32(m_timer) + delaytime > m_casttime)
4835	{
4836	delaytime = m_casttime - m_timer;
4837	m_timer = m_casttime;
4838	}
4839	else
4840	m_timer += delaytime;
4841
4842	sLog.outDetail("Spell %u partially interrupted for (%d) ms at damage",m_spellInfo->Id,delaytime);
4843
4844	WorldPacket data(SMSG_SPELL_DELAYED, 8+4);
4845	data.append(m_caster->GetPackGUID());
4846	data << uint32(delaytime);
4847
4848	m_caster->SendMessageToSet(&data,true);
4849	}
4850
4851	void Spell::DelayedChannel()
4852	{
4853	if(!m_caster \|\| m_caster->GetTypeId() != TYPEID_PLAYER \|\| getState() != SPELL_STATE_CASTING)
4854	return;
4855
4856	//check resist chance
4857	int32 resistChance = 100; //must be initialized to 100 for percent modifiers
4858	((Player*)m_caster)->ApplySpellMod(m_spellInfo->Id,SPELLMOD_NOT_LOSE_CASTING_TIME,resistChance, this);
4859	resistChance += m_caster->GetTotalAuraModifier(SPELL_AURA_RESIST_PUSHBACK) - 100;
4860	if (roll_chance_i(resistChance))
4861	return;
4862
4863	int32 delaytime = GetNextDelayAtDamageMsTime();
4864
4865	if(int32(m_timer) < delaytime)
4866	{
4867	delaytime = m_timer;
4868	m_timer = 0;
4869	}
4870	else
4871	m_timer -= delaytime;
4872
4873	sLog.outDebug("Spell %u partially interrupted for %i ms, new duration: %u ms", m_spellInfo->Id, delaytime, m_timer);
4874
4875	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
4876	{
4877	if ((*ihit).missCondition == SPELL_MISS_NONE)
4878	{
4879	Unit* unit = m_caster->GetGUID()==ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, ihit->targetGUID);
4880	if (unit)
4881	{
4882	for (int j=0;j<3;j++)
4883	if( ihit->effectMask & (1<<j) )
4884	unit->DelayAura(m_spellInfo->Id, j, delaytime);
4885	}
4886
4887	}
4888	}
4889
4890	for(int j = 0; j < 3; j++)
4891	{
4892	// partially interrupt persistent area auras
4893	DynamicObject* dynObj = m_caster->GetDynObject(m_spellInfo->Id, j);
4894	if(dynObj)
4895	dynObj->Delay(delaytime);
4896	}
4897
4898	SendChannelUpdate(m_timer);
4899	}
4900
4901	void Spell::UpdatePointers()
4902	{
4903	if(m_originalCasterGUID==m_caster->GetGUID())
4904	m_originalCaster = m_caster;
4905	else
4906	{
4907	m_originalCaster = ObjectAccessor::GetUnit(*m_caster,m_originalCasterGUID);
4908	if(m_originalCaster && !m_originalCaster->IsInWorld()) m_originalCaster = NULL;
4909	}
4910
4911	m_targets.Update(m_caster);
4912	}
4913
4914	bool Spell::IsAffectedBy(SpellEntry const *spellInfo, uint32 effectId)
4915	{
4916	return spellmgr.IsAffectedBySpell(m_spellInfo,spellInfo->Id,effectId,spellInfo->EffectItemType[effectId]);
4917	}
4918
4919	bool Spell::CheckTargetCreatureType(Unit* target) const
4920	{
4921	uint32 spellCreatureTargetMask = m_spellInfo->TargetCreatureType;
4922
4923	// Curse of Doom : not find another way to fix spell target check :/
4924	if(m_spellInfo->SpellFamilyName==SPELLFAMILY_WARLOCK && m_spellInfo->SpellFamilyFlags == 0x0200000000LL)
4925	{
4926	// not allow cast at player
4927	if(target->GetTypeId()==TYPEID_PLAYER)
4928	return false;
4929
4930	spellCreatureTargetMask = 0x7FF;
4931	}
4932
4933	// Dismiss Pet and Taming Lesson skipped
4934	if(m_spellInfo->Id == 2641 \|\| m_spellInfo->Id == 23356)
4935	spellCreatureTargetMask = 0;
4936
4937	if (spellCreatureTargetMask)
4938	{
4939	uint32 TargetCreatureType = target->GetCreatureTypeMask();
4940
4941	return !TargetCreatureType \|\| (spellCreatureTargetMask & TargetCreatureType);
4942	}
4943	return true;
4944	}
4945
4946	CurrentSpellTypes Spell::GetCurrentContainer()
4947	{
4948	if (IsNextMeleeSwingSpell())
4949	return(CURRENT_MELEE_SPELL);
4950	else if (IsAutoRepeat())
4951	return(CURRENT_AUTOREPEAT_SPELL);
4952	else if (IsChanneledSpell(m_spellInfo))
4953	return(CURRENT_CHANNELED_SPELL);
4954	else
4955	return(CURRENT_GENERIC_SPELL);
4956	}
4957
4958	bool Spell::CheckTarget( Unit* target, uint32 eff, bool hitPhase )
4959	{
4960	// Check targets for creature type mask and remove not appropriate (skip explicit self target case, maybe need other explicit targets)
4961	if(m_spellInfo->EffectImplicitTargetA[eff]!=TARGET_SELF && !m_magnetPair.first)
4962	{
4963	if (!CheckTargetCreatureType(target))
4964	return false;
4965	}
4966
4967	// Check targets for not_selectable unit flag and remove
4968	// A player can cast spells on his pet (or other controlled unit) though in any state
4969	if (target != m_caster && target->GetCharmerOrOwnerGUID() != m_caster->GetGUID())
4970	{
4971	// any unattackable target skipped
4972	if (target->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE))
4973	return false;
4974
4975	// unselectable targets skipped in all cases except TARGET_SCRIPT targeting
4976	// in case TARGET_SCRIPT target selected by server always and can't be cheated
4977	if( target->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE) &&
4978	m_spellInfo->EffectImplicitTargetA[eff] != TARGET_SCRIPT &&
4979	m_spellInfo->EffectImplicitTargetB[eff] != TARGET_SCRIPT )
4980	return false;
4981	}
4982
4983	//Check player targets and remove if in GM mode or GM invisibility (for not self casting case)
4984	if( target != m_caster && target->GetTypeId()==TYPEID_PLAYER)
4985	{
4986	if(((Player*)target)->GetVisibility()==VISIBILITY_OFF)
4987	return false;
4988
4989	if(((Player*)target)->isGameMaster() && !IsPositiveSpell(m_spellInfo->Id))
4990	return false;
4991	}
4992
4993	//Check targets for LOS visibility (except spells without range limitations )
4994	switch(m_spellInfo->Effect[eff])
4995	{
4996	case SPELL_EFFECT_SUMMON_PLAYER: // from anywhere
4997	break;
4998	case SPELL_EFFECT_DUMMY:
4999	if(m_spellInfo->Id!=20577) // Cannibalize
5000	break;
5001	//fall through
5002	case SPELL_EFFECT_RESURRECT_NEW:
5003	// player far away, maybe his corpse near?
5004	if(target!=m_caster && !target->IsWithinLOSInMap(m_caster))
5005	{
5006	if(!m_targets.getCorpseTargetGUID())
5007	return false;
5008
5009	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
5010	if(!corpse)
5011	return false;
5012
5013	if(target->GetGUID()!=corpse->GetOwnerGUID())
5014	return false;
5015
5016	if(!corpse->IsWithinLOSInMap(m_caster))
5017	return false;
5018	}
5019
5020	// all ok by some way or another, skip normal check
5021	break;
5022	default: // normal case
5023	if(target!=m_caster && !target->IsWithinLOSInMap(m_caster))
5024	return false;
5025	break;
5026	}
5027
5028	return true;
5029	}
5030
5031	Unit* Spell::SelectMagnetTarget()
5032	{
5033	Unit* target = m_targets.getUnitTarget();
5034
5035	if(target && target->HasAuraType(SPELL_AURA_SPELL_MAGNET) && !(m_spellInfo->Attributes & 0x10))
5036	{
5037	Unit::AuraList const& magnetAuras = target->GetAurasByType(SPELL_AURA_SPELL_MAGNET);
5038	for(Unit::AuraList::const_iterator itr = magnetAuras.begin(); itr != magnetAuras.end(); ++itr)
5039	{
5040	if(Unit* magnet = (*itr)->GetCaster())
5041	{
5042	if((*itr)->m_procCharges>0 && magnet->IsWithinLOSInMap(m_caster))
5043	{
5044	(itr)->SetAuraProcCharges((itr)->m_procCharges-1);
5045	m_magnetPair.first = true;
5046	m_magnetPair.second = magnet;
5047
5048	target = magnet;
5049	m_targets.setUnitTarget(target);
5050	break;
5051	}
5052	}
5053	}
5054	}
5055
5056	return target;
5057	}
5058
5059	bool Spell::IsNeedSendToClient() const
5060	{
5061	return m_spellInfo->SpellVisual!=0 \|\| IsChanneledSpell(m_spellInfo) \|\|
5062	m_spellInfo->speed > 0.0f \|\| !m_triggeredByAuraSpell && !m_IsTriggeredSpell;
5063	}
5064
5065	bool Spell::HaveTargetsForEffect( uint8 effect ) const
5066	{
5067	for(std::list<TargetInfo>::const_iterator itr= m_UniqueTargetInfo.begin();itr != m_UniqueTargetInfo.end();++itr)
5068	if(itr->effectMask & (1<<effect))
5069	return true;
5070
5071	for(std::list<GOTargetInfo>::const_iterator itr= m_UniqueGOTargetInfo.begin();itr != m_UniqueGOTargetInfo.end();++itr)
5072	if(itr->effectMask & (1<<effect))
5073	return true;
5074
5075	for(std::list<ItemTargetInfo>::const_iterator itr= m_UniqueItemInfo.begin();itr != m_UniqueItemInfo.end();++itr)
5076	if(itr->effectMask & (1<<effect))
5077	return true;
5078
5079	return false;
5080	}
5081
5082	SpellEvent::SpellEvent(Spell* spell) : BasicEvent()
5083	{
5084	m_Spell = spell;
5085	}
5086
5087	SpellEvent::~SpellEvent()
5088	{
5089	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5090	m_Spell->cancel();
5091
5092	if (m_Spell->IsDeletable())
5093	{
5094	delete m_Spell;
5095	}
5096	else
5097	{
5098	sLog.outError("~SpellEvent: %s %u tried to delete non-deletable spell %u. Was not deleted, causes memory leak.",
5099	(m_Spell->GetCaster()->GetTypeId()==TYPEID_PLAYER?"Player":"Creature"), m_Spell->GetCaster()->GetGUIDLow(),m_Spell->m_spellInfo->Id);
5100	}
5101	}
5102
5103	bool SpellEvent::Execute(uint64 e_time, uint32 p_time)
5104	{
5105	// update spell if it is not finished
5106	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5107	m_Spell->update(p_time);
5108
5109	// check spell state to process
5110	switch (m_Spell->getState())
5111	{
5112	case SPELL_STATE_FINISHED:
5113	{
5114	// spell was finished, check deletable state
5115	if (m_Spell->IsDeletable())
5116	{
5117	// check, if we do have unfinished triggered spells
5118
5119	return(true); // spell is deletable, finish event
5120	}
5121	// event will be re-added automatically at the end of routine)
5122	} break;
5123
5124	case SPELL_STATE_CASTING:
5125	{
5126	// this spell is in channeled state, process it on the next update
5127	// event will be re-added automatically at the end of routine)
5128	} break;
5129
5130	case SPELL_STATE_DELAYED:
5131	{
5132	// first, check, if we have just started
5133	if (m_Spell->GetDelayStart() != 0)
5134	{
5135	// no, we aren't, do the typical update
5136	// check, if we have channeled spell on our hands
5137	if (IsChanneledSpell(m_Spell->m_spellInfo))
5138	{
5139	// evented channeled spell is processed separately, casted once after delay, and not destroyed till finish
5140	// check, if we have casting anything else except this channeled spell and autorepeat
5141	if (m_Spell->GetCaster()->IsNonMeleeSpellCasted(false, true, true))
5142	{
5143	// another non-melee non-delayed spell is casted now, abort
5144	m_Spell->cancel();
5145	}
5146	else
5147	{
5148	// do the action (pass spell to channeling state)
5149	m_Spell->handle_immediate();
5150	}
5151	// event will be re-added automatically at the end of routine)
5152	}
5153	else
5154	{
5155	// run the spell handler and think about what we can do next
5156	uint64 t_offset = e_time - m_Spell->GetDelayStart();
5157	uint64 n_offset = m_Spell->handle_delayed(t_offset);
5158	if (n_offset)
5159	{
5160	// re-add us to the queue
5161	m_Spell->GetCaster()->m_Events.AddEvent(this, m_Spell->GetDelayStart() + n_offset, false);
5162	return(false); // event not complete
5163	}
5164	// event complete
5165	// finish update event will be re-added automatically at the end of routine)
5166	}
5167	}
5168	else
5169	{
5170	// delaying had just started, record the moment
5171	m_Spell->SetDelayStart(e_time);
5172	// re-plan the event for the delay moment
5173	m_Spell->GetCaster()->m_Events.AddEvent(this, e_time + m_Spell->GetDelayMoment(), false);
5174	return(false); // event not complete
5175	}
5176	} break;
5177
5178	default:
5179	{
5180	// all other states
5181	// event will be re-added automatically at the end of routine)
5182	} break;
5183	}
5184
5185	// spell processing not complete, plan event on the next update interval
5186	m_Spell->GetCaster()->m_Events.AddEvent(this, e_time + 1, false);
5187	return(false); // event not complete
5188	}
5189
5190	void SpellEvent::Abort(uint64 /e_time/)
5191	{
5192	// oops, the spell we try to do is aborted
5193	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5194	m_Spell->cancel();
5195	}

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root/trunk/src/game/Spell.cpp @ 102

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