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Spell.cpp @ 231

Revision 231, 197.0 kB (checked in by yumileroy, 17 years ago)

[svn] Add UNIT_STAT_CASTING, and use it to update attack timer as test.

Original author: megamage
Date: 2008-11-14 17:42:00-06:00

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_hasDest = false;
79	m_strTarget = "";
80	m_targetMask = 0;
81	}
82
83	SpellCastTargets::~SpellCastTargets()
84	{
85	}
86
87	void SpellCastTargets::setUnitTarget(Unit *target)
88	{
89	if (!target)
90	return;
91
92	m_unitTarget = target;
93	m_unitTargetGUID = target->GetGUID();
94	m_targetMask \|= TARGET_FLAG_UNIT;
95	}
96
97	void SpellCastTargets::setDestination(float x, float y, float z, bool send, int32 mapId)
98	{
99	m_destX = x;
100	m_destY = y;
101	m_destZ = z;
102	m_hasDest = true;
103	if(send)
104	m_targetMask \|= TARGET_FLAG_DEST_LOCATION;
105	if(mapId >= 0)
106	m_mapId = mapId;
107	}
108
109	void SpellCastTargets::setDestination(Unit *target, bool send)
110	{
111	if(!target)
112	return;
113
114	m_destX = target->GetPositionX();
115	m_destY = target->GetPositionY();
116	m_destZ = target->GetPositionZ();
117	m_hasDest = true;
118	if(send)
119	m_targetMask \|= TARGET_FLAG_DEST_LOCATION;
120	}
121
122	void SpellCastTargets::setGOTarget(GameObject *target)
123	{
124	m_GOTarget = target;
125	m_GOTargetGUID = target->GetGUID();
126	// m_targetMask \|= TARGET_FLAG_OBJECT;
127	}
128
129	void SpellCastTargets::setItemTarget(Item* item)
130	{
131	if(!item)
132	return;
133
134	m_itemTarget = item;
135	m_itemTargetGUID = item->GetGUID();
136	m_itemTargetEntry = item->GetEntry();
137	m_targetMask \|= TARGET_FLAG_ITEM;
138	}
139
140	void SpellCastTargets::setCorpseTarget(Corpse* corpse)
141	{
142	m_CorpseTargetGUID = corpse->GetGUID();
143	}
144
145	void SpellCastTargets::Update(Unit* caster)
146	{
147	m_GOTarget = m_GOTargetGUID ? ObjectAccessor::GetGameObject(*caster,m_GOTargetGUID) : NULL;
148	m_unitTarget = m_unitTargetGUID ?
149	( m_unitTargetGUID==caster->GetGUID() ? caster : ObjectAccessor::GetUnit(*caster, m_unitTargetGUID) ) :
150	NULL;
151
152	m_itemTarget = NULL;
153	if(caster->GetTypeId()==TYPEID_PLAYER)
154	{
155	if(m_targetMask & TARGET_FLAG_ITEM)
156	m_itemTarget = ((Player*)caster)->GetItemByGuid(m_itemTargetGUID);
157	else
158	{
159	Player* pTrader = ((Player*)caster)->GetTrader();
160	if(pTrader && m_itemTargetGUID < TRADE_SLOT_COUNT)
161	m_itemTarget = pTrader->GetItemByPos(pTrader->GetItemPosByTradeSlot(m_itemTargetGUID));
162	}
163	if(m_itemTarget)
164	m_itemTargetEntry = m_itemTarget->GetEntry();
165	}
166	}
167
168	bool SpellCastTargets::read ( WorldPacket * data, Unit *caster )
169	{
170	if(data->rpos()+4 > data->size())
171	return false;
172
173	*data >> m_targetMask;
174
175	if(m_targetMask == TARGET_FLAG_SELF)
176	{
177	//m_destX = caster->GetPositionX();
178	//m_destY = caster->GetPositionY();
179	//m_destZ = caster->GetPositionZ();
180	//m_unitTarget = caster;
181	//m_unitTargetGUID = caster->GetGUID();
182	return true;
183	}
184	// TARGET_FLAG_UNK2 is used for non-combat pets, maybe other?
185	if( m_targetMask & (TARGET_FLAG_UNIT\|TARGET_FLAG_UNK2) )
186	if(!readGUID(*data, m_unitTargetGUID))
187	return false;
188
189	if( m_targetMask & ( TARGET_FLAG_OBJECT \| TARGET_FLAG_OBJECT_UNK ))
190	if(!readGUID(*data, m_GOTargetGUID))
191	return false;
192
193	if(( m_targetMask & ( TARGET_FLAG_ITEM \| TARGET_FLAG_TRADE_ITEM )) && caster->GetTypeId() == TYPEID_PLAYER)
194	if(!readGUID(*data, m_itemTargetGUID))
195	return false;
196
197	/*if( m_targetMask & TARGET_FLAG_SOURCE_LOCATION )
198	{
199	if(data->rpos()+4+4+4 > data->size())
200	return false;
201
202	*data >> m_srcX >> m_srcY >> m_srcZ;
203	if(!Trinity::IsValidMapCoord(m_srcX, m_srcY, m_srcZ))
204	return false;
205	}*/
206
207	if( m_targetMask & (TARGET_FLAG_SOURCE_LOCATION \| TARGET_FLAG_DEST_LOCATION) )
208	{
209	if(data->rpos()+4+4+4 > data->size())
210	return false;
211
212	*data >> m_destX >> m_destY >> m_destZ;
213	m_hasDest = true;
214	if(!Trinity::IsValidMapCoord(m_destX, m_destY, m_destZ))
215	return false;
216	}
217
218	if( m_targetMask & TARGET_FLAG_STRING )
219	{
220	if(data->rpos()+1 > data->size())
221	return false;
222
223	*data >> m_strTarget;
224	}
225
226	if( m_targetMask & (TARGET_FLAG_CORPSE \| TARGET_FLAG_PVP_CORPSE ) )
227	if(!readGUID(*data, m_CorpseTargetGUID))
228	return false;
229
230	// find real units/GOs
231	Update(caster);
232	return true;
233	}
234
235	void SpellCastTargets::write ( WorldPacket * data )
236	{
237	*data << uint32(m_targetMask);
238
239	if( m_targetMask & ( TARGET_FLAG_UNIT \| TARGET_FLAG_PVP_CORPSE \| TARGET_FLAG_OBJECT \| TARGET_FLAG_CORPSE \| TARGET_FLAG_UNK2 ) )
240	{
241	if(m_targetMask & TARGET_FLAG_UNIT)
242	{
243	if(m_unitTarget)
244	data->append(m_unitTarget->GetPackGUID());
245	else
246	*data << uint8(0);
247	}
248	else if( m_targetMask & ( TARGET_FLAG_OBJECT \| TARGET_FLAG_OBJECT_UNK ) )
249	{
250	if(m_GOTarget)
251	data->append(m_GOTarget->GetPackGUID());
252	else
253	*data << uint8(0);
254	}
255	else if( m_targetMask & ( TARGET_FLAG_CORPSE \| TARGET_FLAG_PVP_CORPSE ) )
256	data->appendPackGUID(m_CorpseTargetGUID);
257	else
258	*data << uint8(0);
259	}
260
261	if( m_targetMask & ( TARGET_FLAG_ITEM \| TARGET_FLAG_TRADE_ITEM ) )
262	{
263	if(m_itemTarget)
264	data->append(m_itemTarget->GetPackGUID());
265	else
266	*data << uint8(0);
267	}
268
269	if( m_targetMask & TARGET_FLAG_SOURCE_LOCATION )
270	*data << m_srcX << m_srcY << m_srcZ;
271
272	if( m_targetMask & TARGET_FLAG_DEST_LOCATION )
273	*data << m_destX << m_destY << m_destZ;
274
275	if( m_targetMask & TARGET_FLAG_STRING )
276	*data << m_strTarget;
277	}
278
279	Spell::Spell( Unit* Caster, SpellEntry const info, bool triggered, uint64 originalCasterGUID, Spell* triggeringContainer )
280	{
281	ASSERT( Caster != NULL && info != NULL );
282	ASSERT( info == sSpellStore.LookupEntry( info->Id ) && "`info` must be pointer to sSpellStore element");
283
284	m_spellInfo = info;
285	m_caster = Caster;
286	m_selfContainer = NULL;
287	m_triggeringContainer = triggeringContainer;
288	m_magnetPair.first = false;
289	m_magnetPair.second = NULL;
290	m_referencedFromCurrentSpell = false;
291	m_executedCurrently = false;
292	m_delayAtDamageCount = 0;
293
294	m_applyMultiplierMask = 0;
295
296	// Get data for type of attack
297	switch (m_spellInfo->DmgClass)
298	{
299	case SPELL_DAMAGE_CLASS_MELEE:
300	if (m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_REQ_OFFHAND)
301	m_attackType = OFF_ATTACK;
302	else
303	m_attackType = BASE_ATTACK;
304	break;
305	case SPELL_DAMAGE_CLASS_RANGED:
306	m_attackType = RANGED_ATTACK;
307	break;
308	default:
309	// Wands
310	if (m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_REQ_WAND)
311	m_attackType = RANGED_ATTACK;
312	else
313	m_attackType = BASE_ATTACK;
314	break;
315	}
316
317	m_spellSchoolMask = GetSpellSchoolMask(info); // Can be override for some spell (wand shoot for example)
318
319	if(m_attackType == RANGED_ATTACK)
320	{
321	// wand case
322	if((m_caster->getClassMask() & CLASSMASK_WAND_USERS) != 0 && m_caster->GetTypeId()==TYPEID_PLAYER)
323	{
324	if(Item* pItem = ((Player*)m_caster)->GetWeaponForAttack(RANGED_ATTACK))
325	m_spellSchoolMask = SpellSchoolMask(1 << pItem->GetProto()->Damage->DamageType);
326	}
327	}
328
329	if(originalCasterGUID)
330	m_originalCasterGUID = originalCasterGUID;
331	else
332	m_originalCasterGUID = m_caster->GetGUID();
333
334	if(m_originalCasterGUID==m_caster->GetGUID())
335	m_originalCaster = m_caster;
336	else
337	{
338	m_originalCaster = ObjectAccessor::GetUnit(*m_caster,m_originalCasterGUID);
339	if(m_originalCaster && !m_originalCaster->IsInWorld()) m_originalCaster = NULL;
340	}
341
342	for(int i=0; i <3; ++i)
343	m_currentBasePoints[i] = m_spellInfo->EffectBasePoints[i];
344
345	m_spellState = SPELL_STATE_NULL;
346
347	m_castPositionX = m_castPositionY = m_castPositionZ = 0;
348	m_TriggerSpells.clear();
349	m_IsTriggeredSpell = triggered;
350	//m_AreaAura = false;
351	m_CastItem = NULL;
352
353	unitTarget = NULL;
354	itemTarget = NULL;
355	gameObjTarget = NULL;
356	focusObject = NULL;
357	m_cast_count = 0;
358	m_triggeredByAuraSpell = NULL;
359
360	//Auto Shot & Shoot
361	if( m_spellInfo->AttributesEx2 == 0x000020 && !triggered )
362	m_autoRepeat = true;
363	else
364	m_autoRepeat = false;
365
366	m_powerCost = 0; // setup to correct value in Spell::prepare, don't must be used before.
367	m_casttime = 0; // setup to correct value in Spell::prepare, don't must be used before.
368	m_timer = 0; // will set to castime in prepare
369
370	m_needAliveTargetMask = 0;
371
372	// determine reflection
373	m_canReflect = false;
374
375	if(m_spellInfo->DmgClass == SPELL_DAMAGE_CLASS_MAGIC && (m_spellInfo->AttributesEx2 & 0x4)==0)
376	{
377	for(int j=0;j<3;j++)
378	{
379	if (m_spellInfo->Effect[j]==0)
380	continue;
381
382	if(!IsPositiveTarget(m_spellInfo->EffectImplicitTargetA[j],m_spellInfo->EffectImplicitTargetB[j]))
383	m_canReflect = true;
384	else
385	m_canReflect = (m_spellInfo->AttributesEx & (1<<7)) ? true : false;
386
387	if(m_canReflect)
388	continue;
389	else
390	break;
391	}
392	}
393
394	CleanupTargetList();
395	}
396
397	Spell::~Spell()
398	{
399	}
400
401	void Spell::FillTargetMap()
402	{
403	// TODO: ADD the correct target FILLS!!!!!!
404
405	for(uint32 i=0;i<3;i++)
406	{
407	// not call for empty effect.
408	// Also some spells use not used effect targets for store targets for dummy effect in triggered spells
409	if(m_spellInfo->Effect[i]==0)
410	continue;
411
412	// TODO: find a way so this is not needed?
413	// for area auras always add caster as target (needed for totems for example)
414	if(IsAreaAuraEffect(m_spellInfo->Effect[i]))
415	AddUnitTarget(m_caster, i);
416
417	std::list<Unit*> tmpUnitMap;
418
419	SetTargetMap(i,m_spellInfo->EffectImplicitTargetA[i],tmpUnitMap);
420	SetTargetMap(i,m_spellInfo->EffectImplicitTargetB[i],tmpUnitMap);
421
422	if(m_targets.HasDest())
423	{
424	switch(m_spellInfo->Effect[i])
425	{
426	case SPELL_EFFECT_SUMMON:
427	case SPELL_EFFECT_SUMMON_WILD:
428	case SPELL_EFFECT_SUMMON_GUARDIAN:
429	case SPELL_EFFECT_TRANS_DOOR: //summon object
430	case SPELL_EFFECT_SUMMON_PET:
431	case SPELL_EFFECT_SUMMON_POSSESSED:
432	case SPELL_EFFECT_SUMMON_TOTEM:
433	case SPELL_EFFECT_SUMMON_OBJECT_WILD:
434	case SPELL_EFFECT_SUMMON_TOTEM_SLOT1:
435	case SPELL_EFFECT_SUMMON_TOTEM_SLOT2:
436	case SPELL_EFFECT_SUMMON_TOTEM_SLOT3:
437	case SPELL_EFFECT_SUMMON_TOTEM_SLOT4:
438	case SPELL_EFFECT_SUMMON_CRITTER:
439	case SPELL_EFFECT_SUMMON_OBJECT_SLOT1:
440	case SPELL_EFFECT_SUMMON_OBJECT_SLOT2:
441	case SPELL_EFFECT_SUMMON_OBJECT_SLOT3:
442	case SPELL_EFFECT_SUMMON_OBJECT_SLOT4:
443	case SPELL_EFFECT_SUMMON_DEAD_PET:
444	case SPELL_EFFECT_SUMMON_DEMON:
445	case SPELL_EFFECT_ADD_FARSIGHT:
446	case SPELL_EFFECT_TRIGGER_SPELL_2: //ritual of summon
447	{
448	tmpUnitMap.clear();
449	tmpUnitMap.push_back(m_caster);
450	break;
451	}
452	}
453	}
454
455	if(!m_spellInfo->EffectImplicitTargetA[i])
456	{
457	switch(m_spellInfo->Effect[i])
458	{
459	case SPELL_EFFECT_PARRY: // 0
460	case SPELL_EFFECT_BLOCK: // 0
461	case SPELL_EFFECT_SKILL: // always with dummy 3 as A
462	case SPELL_EFFECT_LEARN_SPELL: // 0
463	case SPELL_EFFECT_TRADE_SKILL: // 0 or 1
464	case SPELL_EFFECT_PROFICIENCY: // 0
465	tmpUnitMap.push_back(m_caster);
466	break;
467	}
468	}
469
470	if(tmpUnitMap.empty())
471	{
472	/*if( m_spellInfo->EffectImplicitTargetA[i]==TARGET_SCRIPT \|\|
473	m_spellInfo->EffectImplicitTargetB[i]==TARGET_SCRIPT \|\|
474	m_spellInfo->EffectImplicitTargetA[i]==TARGET_SCRIPT_COORDINATES \|\|
475	m_spellInfo->EffectImplicitTargetB[i]==TARGET_SCRIPT_COORDINATES )
476	{
477	if(!(m_targets.m_targetMask & TARGET_FLAG_DEST_LOCATION))
478	continue;
479	}*/
480
481	// add here custom effects that need default target.
482	// FOR EVERY TARGET TYPE THERE IS A DIFFERENT FILL!!
483	switch(m_spellInfo->Effect[i])
484	{
485	case SPELL_EFFECT_DUMMY:
486	{
487	switch(m_spellInfo->Id)
488	{
489	case 20577: // Cannibalize
490	{
491	// non-standard target selection
492	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
493	float max_range = GetSpellMaxRange(srange);
494
495	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
496	Cell cell(p);
497	cell.data.Part.reserved = ALL_DISTRICT;
498	cell.SetNoCreate();
499
500	WorldObject* result = NULL;
501
502	Trinity::CannibalizeObjectCheck u_check(m_caster, max_range);
503	Trinity::WorldObjectSearcher<Trinity::CannibalizeObjectCheck > searcher(result, u_check);
504
505	TypeContainerVisitor<Trinity::WorldObjectSearcher<Trinity::CannibalizeObjectCheck >, GridTypeMapContainer > grid_searcher(searcher);
506	CellLock<GridReadGuard> cell_lock(cell, p);
507	cell_lock->Visit(cell_lock, grid_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
508
509	if(!result)
510	{
511	TypeContainerVisitor<Trinity::WorldObjectSearcher<Trinity::CannibalizeObjectCheck >, WorldTypeMapContainer > world_searcher(searcher);
512	cell_lock->Visit(cell_lock, world_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
513	}
514
515	if(result)
516	{
517	switch(result->GetTypeId())
518	{
519	case TYPEID_UNIT:
520	case TYPEID_PLAYER:
521	tmpUnitMap.push_back((Unit*)result);
522	break;
523	case TYPEID_CORPSE:
524	m_targets.setCorpseTarget((Corpse*)result);
525	if(Player* owner = ObjectAccessor::FindPlayer(((Corpse*)result)->GetOwnerGUID()))
526	tmpUnitMap.push_back(owner);
527	break;
528	}
529	}
530	else
531	{
532	// clear cooldown at fail
533	if(m_caster->GetTypeId()==TYPEID_PLAYER)
534	{
535	((Player*)m_caster)->RemoveSpellCooldown(m_spellInfo->Id);
536
537	WorldPacket data(SMSG_CLEAR_COOLDOWN, (4+8));
538	data << uint32(m_spellInfo->Id);
539	data << uint64(m_caster->GetGUID());
540	((Player*)m_caster)->GetSession()->SendPacket(&data);
541	}
542
543	SendCastResult(SPELL_FAILED_NO_EDIBLE_CORPSES);
544	finish(false);
545	}
546	break;
547	}
548	default:
549	if(m_targets.getUnitTarget())
550	tmpUnitMap.push_back(m_targets.getUnitTarget());
551	break;
552	}
553	break;
554	}
555	case SPELL_EFFECT_RESURRECT:
556	case SPELL_EFFECT_CREATE_ITEM:
557	case SPELL_EFFECT_TRIGGER_SPELL:
558	//case SPELL_EFFECT_TRIGGER_MISSILE: ??
559	case SPELL_EFFECT_SKILL_STEP:
560	case SPELL_EFFECT_SELF_RESURRECT:
561	case SPELL_EFFECT_REPUTATION:
562	if(m_targets.getUnitTarget())
563	tmpUnitMap.push_back(m_targets.getUnitTarget());
564	else
565	tmpUnitMap.push_back(m_caster);
566	break;
567	case SPELL_EFFECT_SUMMON_PLAYER:
568	if(m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->GetSelection())
569	{
570	Player* target = objmgr.GetPlayer(((Player*)m_caster)->GetSelection());
571	if(target)
572	tmpUnitMap.push_back(target);
573	}
574	break;
575	case SPELL_EFFECT_RESURRECT_NEW:
576	if(m_targets.getUnitTarget())
577	tmpUnitMap.push_back(m_targets.getUnitTarget());
578	if(m_targets.getCorpseTargetGUID())
579	{
580	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
581	if(corpse)
582	{
583	Player* owner = ObjectAccessor::FindPlayer(corpse->GetOwnerGUID());
584	if(owner)
585	tmpUnitMap.push_back(owner);
586	}
587	}
588	break;
589	case SPELL_EFFECT_SUMMON_CHANGE_ITEM:
590	case SPELL_EFFECT_ADD_FARSIGHT:
591	case SPELL_EFFECT_STUCK:
592	case SPELL_EFFECT_DESTROY_ALL_TOTEMS:
593	tmpUnitMap.push_back(m_caster);
594	break;
595	case SPELL_EFFECT_LEARN_PET_SPELL:
596	if(Pet* pet = m_caster->GetPet())
597	tmpUnitMap.push_back(pet);
598	break;
599	case SPELL_EFFECT_ENCHANT_ITEM:
600	case SPELL_EFFECT_ENCHANT_ITEM_TEMPORARY:
601	case SPELL_EFFECT_DISENCHANT:
602	case SPELL_EFFECT_FEED_PET:
603	case SPELL_EFFECT_PROSPECTING:
604	if(m_targets.getItemTarget())
605	AddItemTarget(m_targets.getItemTarget(), i);
606	break;
607	case SPELL_EFFECT_APPLY_AURA:
608	switch(m_spellInfo->EffectApplyAuraName[i])
609	{
610	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)
611	case SPELL_AURA_ADD_PCT_MODIFIER:
612	tmpUnitMap.push_back(m_caster);
613	break;
614	default: // apply to target in other case
615	break;
616	}
617	break;
618	case SPELL_EFFECT_APPLY_AREA_AURA_PARTY:
619	// AreaAura
620	if(m_spellInfo->Attributes == 0x9050000 \|\| m_spellInfo->Attributes == 0x10000)
621	SetTargetMap(i,TARGET_AREAEFFECT_PARTY,tmpUnitMap);
622	break;
623	case SPELL_EFFECT_SKIN_PLAYER_CORPSE:
624	if(m_targets.getUnitTarget())
625	{
626	tmpUnitMap.push_back(m_targets.getUnitTarget());
627	}
628	else if (m_targets.getCorpseTargetGUID())
629	{
630	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
631	if(corpse)
632	{
633	Player* owner = ObjectAccessor::FindPlayer(corpse->GetOwnerGUID());
634	if(owner)
635	tmpUnitMap.push_back(owner);
636	}
637	}
638	break;
639	default:
640	break;
641	}
642	}
643	if(IsChanneledSpell(m_spellInfo) && !tmpUnitMap.empty())
644	m_needAliveTargetMask \|= (1<<i);
645
646	if(m_caster->GetTypeId() == TYPEID_PLAYER)
647	{
648	Player me = (Player)m_caster;
649	for (std::list<Unit*>::const_iterator itr = tmpUnitMap.begin(); itr != tmpUnitMap.end(); itr++)
650	{
651	Unit owner = (itr)->GetOwner();
652	Unit u = owner ? owner : (itr);
653	if(u!=m_caster && u->IsPvP() && (!me->duel \|\| me->duel->opponent != u))
654	{
655	me->UpdatePvP(true);
656	me->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_ENTER_PVP_COMBAT);
657	break;
658	}
659	}
660	}
661
662	for (std::list<Unit*>::iterator itr = tmpUnitMap.begin() ; itr != tmpUnitMap.end();)
663	{
664	if(!CheckTarget(*itr, i, false ))
665	{
666	itr = tmpUnitMap.erase(itr);
667	continue;
668	}
669	else
670	++itr;
671	}
672
673	for(std::list<Unit*>::iterator iunit= tmpUnitMap.begin();iunit != tmpUnitMap.end();++iunit)
674	AddUnitTarget((*iunit), i);
675	}
676	}
677
678	void Spell::CleanupTargetList()
679	{
680	m_UniqueTargetInfo.clear();
681	m_UniqueGOTargetInfo.clear();
682	m_UniqueItemInfo.clear();
683	m_countOfHit = 0;
684	m_countOfMiss = 0;
685	m_delayMoment = 0;
686	}
687
688	void Spell::AddUnitTarget(Unit* pVictim, uint32 effIndex)
689	{
690	if( m_spellInfo->Effect[effIndex]==0 )
691	return;
692
693	uint64 targetGUID = pVictim->GetGUID();
694
695	// Lookup target in already in list
696	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
697	{
698	if (targetGUID == ihit->targetGUID) // Found in list
699	{
700	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
701	return;
702	}
703	}
704
705	// This is new target calculate data for him
706
707	// Get spell hit result on target
708	TargetInfo target;
709	target.targetGUID = targetGUID; // Store target GUID
710	target.effectMask = 1<<effIndex; // Store index of effect
711	target.processed = false; // Effects not apply on target
712
713	// Calculate hit result
714	if(m_originalCaster)
715	target.missCondition = m_originalCaster->SpellHitResult(pVictim, m_spellInfo, m_canReflect);
716	else
717	target.missCondition = SPELL_MISS_NONE;
718	if (target.missCondition == SPELL_MISS_NONE)
719	++m_countOfHit;
720	else
721	++m_countOfMiss;
722
723	// Spell have speed - need calculate incoming time
724	if (m_spellInfo->speed > 0.0f)
725	{
726	// calculate spell incoming interval
727	float dist = m_caster->GetDistance(pVictim->GetPositionX(), pVictim->GetPositionY(), pVictim->GetPositionZ());
728	if (dist < 5.0f) dist = 5.0f;
729	target.timeDelay = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
730
731	// Calculate minimum incoming time
732	if (m_delayMoment==0 \|\| m_delayMoment>target.timeDelay)
733	m_delayMoment = target.timeDelay;
734	}
735	else
736	target.timeDelay = 0LL;
737
738	// If target reflect spell back to caster
739	if (target.missCondition==SPELL_MISS_REFLECT)
740	{
741	// Calculate reflected spell result on caster
742	target.reflectResult = m_caster->SpellHitResult(m_caster, m_spellInfo, m_canReflect);
743
744	if (target.reflectResult == SPELL_MISS_REFLECT) // Impossible reflect again, so simply deflect spell
745	target.reflectResult = SPELL_MISS_PARRY;
746
747	// Increase time interval for reflected spells by 1.5
748	target.timeDelay+=target.timeDelay>>1;
749	}
750	else
751	target.reflectResult = SPELL_MISS_NONE;
752
753	// Add target to list
754	m_UniqueTargetInfo.push_back(target);
755	}
756
757	void Spell::AddUnitTarget(uint64 unitGUID, uint32 effIndex)
758	{
759	Unit* unit = m_caster->GetGUID()==unitGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, unitGUID);
760	if (unit)
761	AddUnitTarget(unit, effIndex);
762	}
763
764	void Spell::AddGOTarget(GameObject* pVictim, uint32 effIndex)
765	{
766	if( m_spellInfo->Effect[effIndex]==0 )
767	return;
768
769	uint64 targetGUID = pVictim->GetGUID();
770
771	// Lookup target in already in list
772	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
773	{
774	if (targetGUID == ihit->targetGUID) // Found in list
775	{
776	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
777	return;
778	}
779	}
780
781	// This is new target calculate data for him
782
783	GOTargetInfo target;
784	target.targetGUID = targetGUID;
785	target.effectMask = 1<<effIndex;
786	target.processed = false; // Effects not apply on target
787
788	// Spell have speed - need calculate incoming time
789	if (m_spellInfo->speed > 0.0f)
790	{
791	// calculate spell incoming interval
792	float dist = m_caster->GetDistance(pVictim->GetPositionX(), pVictim->GetPositionY(), pVictim->GetPositionZ());
793	if (dist < 5.0f) dist = 5.0f;
794	target.timeDelay = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
795	if (m_delayMoment==0 \|\| m_delayMoment>target.timeDelay)
796	m_delayMoment = target.timeDelay;
797	}
798	else
799	target.timeDelay = 0LL;
800
801	++m_countOfHit;
802
803	// Add target to list
804	m_UniqueGOTargetInfo.push_back(target);
805	}
806
807	void Spell::AddGOTarget(uint64 goGUID, uint32 effIndex)
808	{
809	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, goGUID);
810	if (go)
811	AddGOTarget(go, effIndex);
812	}
813
814	void Spell::AddItemTarget(Item* pitem, uint32 effIndex)
815	{
816	if( m_spellInfo->Effect[effIndex]==0 )
817	return;
818
819	// Lookup target in already in list
820	for(std::list<ItemTargetInfo>::iterator ihit= m_UniqueItemInfo.begin();ihit != m_UniqueItemInfo.end();++ihit)
821	{
822	if (pitem == ihit->item) // Found in list
823	{
824	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
825	return;
826	}
827	}
828
829	// This is new target add data
830
831	ItemTargetInfo target;
832	target.item = pitem;
833	target.effectMask = 1<<effIndex;
834	m_UniqueItemInfo.push_back(target);
835	}
836
837	void Spell::doTriggers(SpellMissInfo missInfo, uint32 damage, SpellSchoolMask damageSchoolMask, uint32 block, uint32 absorb, bool crit)
838	{
839	// Do triggers depends from hit result (triggers on hit do in effects)
840	// Set aura states depends from hit result
841	if (missInfo!=SPELL_MISS_NONE)
842	{
843	// Miss/dodge/parry/block only for melee based spells
844	// Resist only for magic based spells
845	switch (missInfo)
846	{
847	case SPELL_MISS_MISS:
848	if(m_caster->GetTypeId()== TYPEID_PLAYER)
849	((Player*)m_caster)->UpdateWeaponSkill(BASE_ATTACK);
850
851	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_MISS, m_spellInfo, m_IsTriggeredSpell);
852	break;
853	case SPELL_MISS_RESIST:
854	m_caster->ProcDamageAndSpell(unitTarget, PROC_FLAG_TARGET_RESISTS, PROC_FLAG_RESIST_SPELL, 0, damageSchoolMask, m_spellInfo, m_IsTriggeredSpell);
855	break;
856	case SPELL_MISS_DODGE:
857	if(unitTarget->GetTypeId() == TYPEID_PLAYER)
858	((Player*)unitTarget)->UpdateDefense();
859
860	// Overpower
861	if (m_caster->GetTypeId() == TYPEID_PLAYER && m_caster->getClass() == CLASS_WARRIOR)
862	{
863	((Player*) m_caster)->AddComboPoints(unitTarget, 1);
864	m_caster->StartReactiveTimer( REACTIVE_OVERPOWER );
865	}
866
867	// Riposte
868	if (unitTarget->getClass() != CLASS_ROGUE)
869	{
870	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
871	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
872	}
873
874	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_DODGE, m_spellInfo, m_IsTriggeredSpell);
875	break;
876	case SPELL_MISS_PARRY:
877	// Update victim defense ?
878	if(unitTarget->GetTypeId() == TYPEID_PLAYER)
879	((Player*)unitTarget)->UpdateDefense();
880	// Mongoose bite - set only Counterattack here
881	if (unitTarget->getClass() == CLASS_HUNTER)
882	{
883	unitTarget->ModifyAuraState(AURA_STATE_HUNTER_PARRY,true);
884	unitTarget->StartReactiveTimer( REACTIVE_HUNTER_PARRY );
885	}
886	else
887	{
888	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
889	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
890	}
891	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_PARRY, m_spellInfo, m_IsTriggeredSpell);
892	break;
893	case SPELL_MISS_BLOCK:
894	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
895	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
896
897	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_BLOCK, m_spellInfo, m_IsTriggeredSpell);
898	break;
899	// Trigger from this events not supported
900	case SPELL_MISS_EVADE:
901	case SPELL_MISS_IMMUNE:
902	case SPELL_MISS_IMMUNE2:
903	case SPELL_MISS_DEFLECT:
904	case SPELL_MISS_ABSORB:
905	// Trigger from reflects need do after get reflect result
906	case SPELL_MISS_REFLECT:
907	break;
908	default:
909	break;
910	}
911	}
912	}
913
914	void Spell::DoAllEffectOnTarget(TargetInfo *target)
915	{
916	if (target->processed) // Check target
917	return;
918	target->processed = true; // Target checked in apply effects procedure
919
920	// Get mask of effects for target
921	uint32 mask = target->effectMask;
922	if (mask == 0) // No effects
923	return;
924
925	Unit* unit = m_caster->GetGUID()==target->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster,target->targetGUID);
926	if (!unit)
927	return;
928
929	SpellMissInfo missInfo = target->missCondition;
930	// Need init unitTarget by default unit (can changed in code on reflect)
931	// Or on missInfo!=SPELL_MISS_NONE unitTarget undefined (but need in trigger subsystem)
932	unitTarget = unit;
933
934	if (missInfo==SPELL_MISS_NONE) // In case spell hit target, do all effect on that target
935	DoSpellHitOnUnit(unit, mask);
936	else if (missInfo == SPELL_MISS_REFLECT) // In case spell reflect from target, do all effect on caster (if hit)
937	{
938	if (target->reflectResult == SPELL_MISS_NONE) // If reflected spell hit caster -> do all effect on him
939	DoSpellHitOnUnit(m_caster, mask);
940	}
941
942	// Do triggers only on miss/resist/parry/dodge
943	if (missInfo!=SPELL_MISS_NONE)
944	doTriggers(missInfo);
945
946	// Call scripted function for AI if this spell is casted upon a creature (except pets)
947	if(IS_CREATURE_GUID(target->targetGUID))
948	{
949	// cast at creature (or GO) quest objectives update at successful cast finished (+channel finished)
950	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
951	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() && !IsChannelActive() )
952	((Player*)m_caster)->CastedCreatureOrGO(unit->GetEntry(),unit->GetGUID(),m_spellInfo->Id);
953	}
954
955	if( !m_caster->IsFriendlyTo(unit) && !IsPositiveSpell(m_spellInfo->Id))
956	{
957	if( !(m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_NO_INITIAL_AGGRO) )
958	{
959	m_caster->CombatStart(unit);
960	}
961	}
962	}
963
964	void Spell::DoSpellHitOnUnit(Unit *unit, const uint32 effectMask)
965	{
966	if(!unit \|\| !effectMask)
967	return;
968
969	// remove spell_magnet aura after first spell redirect and destroy target if its totem
970	if(m_magnetPair.first && m_magnetPair.second && m_magnetPair.second == unit)
971	{
972	if(unit->GetTypeId() == TYPEID_UNIT && ((Creature*)unit)->isTotem())
973	unit->DealDamage(unit,unit->GetHealth(), NULL, DIRECT_DAMAGE, SPELL_SCHOOL_MASK_NORMAL, NULL, false);
974	return;
975	}
976
977	// Recheck immune (only for delayed spells)
978	if( m_spellInfo->speed &&
979	!(m_spellInfo->Attributes & SPELL_ATTR_UNAFFECTED_BY_INVULNERABILITY)
980	&& (unit->IsImmunedToDamage(GetSpellSchoolMask(m_spellInfo),true) \|\|
981	unit->IsImmunedToSpell(m_spellInfo,true) ))
982	{
983	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_IMMUNE);
984	return;
985	}
986
987	if( m_caster != unit )
988	{
989	if( !m_caster->IsFriendlyTo(unit) )
990	{
991	// for delayed spells ignore not visible explicit target
992	if(m_spellInfo->speed > 0.0f && unit==m_targets.getUnitTarget() && !unit->isVisibleForOrDetect(m_caster,false))
993	{
994	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_EVADE);
995	return;
996	}
997
998	unit->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_HITBYSPELL);
999	}
1000	else
1001	{
1002	// for delayed spells ignore negative spells (after duel end) for friendly targets
1003	// TODO: this cause soul transfer bugged
1004	if(m_spellInfo->speed > 0.0f && unit->GetTypeId() == TYPEID_PLAYER && !IsPositiveSpell(m_spellInfo->Id))
1005	{
1006	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_EVADE);
1007	return;
1008	}
1009
1010	// assisting case, healing and resurrection
1011	if(unit->hasUnitState(UNIT_STAT_ATTACK_PLAYER))
1012	m_caster->SetContestedPvP();
1013	if( unit->isInCombat() && !(m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_NO_INITIAL_AGGRO) )
1014	{
1015	m_caster->SetInCombatState(unit->GetCombatTimer() > 0);
1016	unit->getHostilRefManager().threatAssist(m_caster, 0.0f);
1017	}
1018	}
1019	}
1020
1021	// Get Data Needed for Diminishing Returns, some effects may have multiple auras, so this must be done on spell hit, not aura add
1022	m_diminishGroup = GetDiminishingReturnsGroupForSpell(m_spellInfo,m_triggeredByAuraSpell);
1023	m_diminishLevel = unit->GetDiminishing(m_diminishGroup);
1024	// Increase Diminishing on unit, current informations for actually casts will use values above
1025	if((GetDiminishingReturnsGroupType(m_diminishGroup) == DRTYPE_PLAYER && unit->GetTypeId() == TYPEID_PLAYER) \|\| GetDiminishingReturnsGroupType(m_diminishGroup) == DRTYPE_ALL)
1026	unit->IncrDiminishing(m_diminishGroup);
1027
1028	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1029	{
1030	if (effectMask & (1<<effectNumber))
1031	{
1032	HandleEffects(unit,NULL,NULL,effectNumber,m_damageMultipliers[effectNumber]);
1033	if ( m_applyMultiplierMask & (1 << effectNumber) )
1034	{
1035	// Get multiplier
1036	float multiplier = m_spellInfo->DmgMultiplier[effectNumber];
1037	// Apply multiplier mods
1038	if(m_originalCaster)
1039	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
1040	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_EFFECT_PAST_FIRST, multiplier,this);
1041	m_damageMultipliers[effectNumber] *= multiplier;
1042	}
1043	}
1044	}
1045
1046	if(unit->GetTypeId() == TYPEID_UNIT && ((Creature*)unit)->AI())
1047	((Creature*)unit)->AI()->SpellHit(m_caster, m_spellInfo);
1048
1049	if(m_caster->GetTypeId() == TYPEID_UNIT && ((Creature*)m_caster)->AI())
1050	((Creature*)m_caster)->AI()->SpellHitTarget(unit, m_spellInfo);
1051
1052	if(const std::vector<int32> *spell_triggered = spellmgr.GetSpellLinked(m_spellInfo->Id + 1000000))
1053	{
1054	for(std::vector<int32>::const_iterator i = spell_triggered->begin(); i != spell_triggered->end(); ++i)
1055	{
1056	if(spell_triggered < 0)
1057	unit->RemoveAurasDueToSpell(-(*i));
1058	else
1059	unit->CastSpell(unit, *i, true, 0, 0, m_caster->GetGUID());
1060	}
1061	}
1062
1063	if(spellmgr.GetSpellCustomAttr(m_spellInfo->Id) && m_originalCaster)
1064	{
1065	uint32 flag = spellmgr.GetSpellCustomAttr(m_spellInfo->Id);
1066	if(flag & SPELL_ATTR_CU_EFFECT_HEAL)
1067	m_originalCaster->ProcDamageAndSpell(unit, PROC_FLAG_HEAL, PROC_FLAG_NONE, 0, GetSpellSchoolMask(m_spellInfo), m_spellInfo);
1068	if(m_originalCaster != unit && (flag & SPELL_ATTR_CU_EFFECT_DAMAGE))
1069	m_originalCaster->ProcDamageAndSpell(unit, PROC_FLAG_HIT_SPELL, PROC_FLAG_STRUCK_SPELL, 0, GetSpellSchoolMask(m_spellInfo), m_spellInfo);
1070	}
1071	}
1072
1073	void Spell::DoAllEffectOnTarget(GOTargetInfo *target)
1074	{
1075	if (target->processed) // Check target
1076	return;
1077	target->processed = true; // Target checked in apply effects procedure
1078
1079	uint32 effectMask = target->effectMask;
1080	if(!effectMask)
1081	return;
1082
1083	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, target->targetGUID);
1084	if(!go)
1085	return;
1086
1087	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1088	if (effectMask & (1<<effectNumber))
1089	HandleEffects(NULL,NULL,go,effectNumber);
1090
1091	// cast at creature (or GO) quest objectives update at successful cast finished (+channel finished)
1092	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
1093	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() && !IsChannelActive() )
1094	((Player*)m_caster)->CastedCreatureOrGO(go->GetEntry(),go->GetGUID(),m_spellInfo->Id);
1095	}
1096
1097	void Spell::DoAllEffectOnTarget(ItemTargetInfo *target)
1098	{
1099	uint32 effectMask = target->effectMask;
1100	if(!target->item \|\| !effectMask)
1101	return;
1102
1103	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1104	if (effectMask & (1<<effectNumber))
1105	HandleEffects(NULL, target->item, NULL, effectNumber);
1106	}
1107
1108	bool Spell::IsAliveUnitPresentInTargetList()
1109	{
1110	// Not need check return true
1111	if (m_needAliveTargetMask == 0)
1112	return true;
1113
1114	uint8 needAliveTargetMask = m_needAliveTargetMask;
1115
1116	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
1117	{
1118	if( ihit->missCondition == SPELL_MISS_NONE && (needAliveTargetMask & ihit->effectMask) )
1119	{
1120	Unit unit = m_caster->GetGUID()==ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
1121
1122	if (unit && unit->isAlive())
1123	needAliveTargetMask &= ~ihit->effectMask; // remove from need alive mask effect that have alive target
1124	}
1125	}
1126
1127	// is all effects from m_needAliveTargetMask have alive targets
1128	return needAliveTargetMask==0;
1129	}
1130
1131	// Helper for Chain Healing
1132	// Spell target first
1133	// Raidmates then descending by injury suffered (MaxHealth - Health)
1134	// Other players/mobs then descending by injury suffered (MaxHealth - Health)
1135	struct ChainHealingOrder : public std::binary_function<const Unit, const Unit, bool>
1136	{
1137	const Unit* MainTarget;
1138	ChainHealingOrder(Unit const* Target) : MainTarget(Target) {};
1139	// functor for operator ">"
1140	bool operator()(Unit const* _Left, Unit const* _Right) const
1141	{
1142	return (ChainHealingHash(_Left) < ChainHealingHash(_Right));
1143	}
1144	int32 ChainHealingHash(Unit const* Target) const
1145	{
1146	if (Target == MainTarget)
1147	return 0;
1148	else if (Target->GetTypeId() == TYPEID_PLAYER && MainTarget->GetTypeId() == TYPEID_PLAYER &&
1149	((Player const)Target)->IsInSameRaidWith((Player const)MainTarget))
1150	{
1151	if (Target->GetHealth() == Target->GetMaxHealth())
1152	return 40000;
1153	else
1154	return 20000 - Target->GetMaxHealth() + Target->GetHealth();
1155	}
1156	else
1157	return 40000 - Target->GetMaxHealth() + Target->GetHealth();
1158	}
1159	};
1160
1161	class ChainHealingFullHealth: std::unary_function<const Unit*, bool>
1162	{
1163	public:
1164	const Unit* MainTarget;
1165	ChainHealingFullHealth(const Unit* Target) : MainTarget(Target) {};
1166
1167	bool operator()(const Unit* Target)
1168	{
1169	return (Target != MainTarget && Target->GetHealth() == Target->GetMaxHealth());
1170	}
1171	};
1172
1173	// Helper for targets nearest to the spell target
1174	// The spell target is always first unless there is a target at _completely_ the same position (unbelievable case)
1175	struct TargetDistanceOrder : public std::binary_function<const Unit, const Unit, bool>
1176	{
1177	const Unit* MainTarget;
1178	TargetDistanceOrder(const Unit* Target) : MainTarget(Target) {};
1179	// functor for operator ">"
1180	bool operator()(const Unit* _Left, const Unit* _Right) const
1181	{
1182	return (MainTarget->GetDistance(_Left) < MainTarget->GetDistance(_Right));
1183	}
1184	};
1185
1186	void Spell::SearchChainTarget(std::list<Unit> &TagUnitMap, Unit pUnitTarget, float max_range, uint32 unMaxTargets)
1187	{
1188	if(!pUnitTarget)
1189	return;
1190
1191	//FIXME: This very like horrible hack and wrong for most spells
1192	if(m_spellInfo->DmgClass != SPELL_DAMAGE_CLASS_MELEE)
1193	max_range += unMaxTargets * CHAIN_SPELL_JUMP_RADIUS;
1194
1195	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1196	Cell cell(p);
1197	cell.data.Part.reserved = ALL_DISTRICT;
1198	cell.SetNoCreate();
1199
1200	std::list<Unit *> tempUnitMap;
1201
1202	{
1203	Trinity::AnyAoETargetUnitInObjectRangeCheck u_check(pUnitTarget, m_caster, max_range);
1204	Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck> searcher(tempUnitMap, u_check);
1205
1206	TypeContainerVisitor<Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck>, WorldTypeMapContainer > world_unit_searcher(searcher);
1207	TypeContainerVisitor<Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1208
1209	CellLock<GridReadGuard> cell_lock(cell, p);
1210	cell_lock->Visit(cell_lock, world_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1211	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1212	}
1213
1214	tempUnitMap.sort(TargetDistanceOrder(pUnitTarget));
1215
1216	if(tempUnitMap.empty())
1217	return;
1218
1219	uint32 t = unMaxTargets;
1220	if(pUnitTarget != m_caster)
1221	{
1222	if(*tempUnitMap.begin() == pUnitTarget)
1223	tempUnitMap.erase(tempUnitMap.begin());
1224	TagUnitMap.push_back(pUnitTarget);
1225	--t;
1226	}
1227	Unit *prev = pUnitTarget;
1228
1229	std::list<Unit*>::iterator next = tempUnitMap.begin();
1230
1231	while(t && next != tempUnitMap.end())
1232	{
1233	if(prev->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
1234	break;
1235
1236	if(!prev->IsWithinLOSInMap(*next)
1237	\|\| m_spellInfo->DmgClass==SPELL_DAMAGE_CLASS_MELEE && !m_caster->isInFront(*next, max_range))
1238	{
1239	++next;
1240	continue;
1241	}
1242
1243	prev = *next;
1244	TagUnitMap.push_back(prev);
1245	tempUnitMap.erase(next);
1246	tempUnitMap.sort(TargetDistanceOrder(prev));
1247	next = tempUnitMap.begin();
1248	--t;
1249	}
1250	}
1251
1252	void Spell::SearchAreaTarget(std::list<Unit*> &TagUnitMap, float radius, const uint32 &type, SpellTargets TargetType, uint32 entry)
1253	{
1254	float x, y;
1255	if(type == PUSH_DEST_CENTER)
1256	{
1257	if(!m_targets.HasDest())
1258	{
1259	sLog.outError( "SPELL: cannot find destination for spell ID %u\n", m_spellInfo->Id );
1260	return;
1261	}
1262	x = m_targets.m_destX;
1263	y = m_targets.m_destY;
1264	}
1265	else
1266	{
1267	x = m_caster->GetPositionX();
1268	y = m_caster->GetPositionY();
1269	}
1270
1271	CellPair p(Trinity::ComputeCellPair(x, y));
1272	Cell cell(p);
1273	cell.data.Part.reserved = ALL_DISTRICT;
1274	cell.SetNoCreate();
1275	CellLock<GridReadGuard> cell_lock(cell, p);
1276
1277	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, type, TargetType, entry);
1278
1279	if(TargetType != SPELL_TARGETS_ENTRY)
1280	{
1281	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1282	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1283	}
1284	if(!(m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_PLAYERS_ONLY))
1285	{
1286	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1287	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1288	}
1289	}
1290
1291	Unit* Spell::SearchNearbyTarget(float radius, SpellTargets TargetType, uint32 entry)
1292	{
1293	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1294	Cell cell(p);
1295	cell.data.Part.reserved = ALL_DISTRICT;
1296	cell.SetNoCreate();
1297	CellLock<GridReadGuard> cell_lock(cell, p);
1298
1299	Unit* target = NULL;
1300	switch(TargetType)
1301	{
1302	case SPELL_TARGETS_ENTRY:
1303	{
1304	Creature* target = NULL;
1305	Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck u_check(*m_caster, entry, true, radius);
1306	Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck> searcher(target, u_check);
1307	TypeContainerVisitor<Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1308	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1309	return target;
1310	}break;
1311	default:
1312	case SPELL_TARGETS_AOE_DAMAGE:
1313	{
1314	Trinity::AnyUnfriendlyUnitInObjectRangeCheck u_check(m_caster, m_caster, radius);
1315	Trinity::UnitLastSearcher<Trinity::AnyUnfriendlyUnitInObjectRangeCheck> searcher(target, u_check);
1316	TypeContainerVisitor<Trinity::UnitLastSearcher<Trinity::AnyUnfriendlyUnitInObjectRangeCheck>, WorldTypeMapContainer > world_unit_searcher(searcher);
1317	TypeContainerVisitor<Trinity::UnitLastSearcher<Trinity::AnyUnfriendlyUnitInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1318	cell_lock->Visit(cell_lock, world_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1319	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1320	}break;
1321	case SPELL_TARGETS_FRIENDLY:
1322	{
1323	Trinity::AnyFriendlyUnitInObjectRangeCheck u_check(m_caster, m_caster, radius);
1324	Trinity::UnitLastSearcher<Trinity::AnyFriendlyUnitInObjectRangeCheck> searcher(target, u_check);
1325	TypeContainerVisitor<Trinity::UnitLastSearcher<Trinity::AnyFriendlyUnitInObjectRangeCheck>, WorldTypeMapContainer > world_unit_searcher(searcher);
1326	TypeContainerVisitor<Trinity::UnitLastSearcher<Trinity::AnyFriendlyUnitInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1327	cell_lock->Visit(cell_lock, world_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1328	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1329	}break;
1330	}
1331	return target;
1332	}
1333
1334	void Spell::SetTargetMap(uint32 i,uint32 cur,std::list<Unit*> &TagUnitMap)
1335	{
1336	float radius;
1337	if (m_spellInfo->EffectRadiusIndex[i])
1338	radius = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
1339	else
1340	radius = GetSpellMaxRange(sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex));
1341
1342	uint32 EffectChainTarget = m_spellInfo->EffectChainTarget[i];
1343	uint32 unMaxTargets = m_spellInfo->MaxAffectedTargets;
1344
1345	if(m_originalCaster)
1346	{
1347	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
1348	{
1349	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_RADIUS, radius,this);
1350	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_JUMP_TARGETS, EffectChainTarget, this);
1351	}
1352	}
1353
1354	switch(cur)
1355	{
1356	// specific unit
1357	case TARGET_SELF:
1358	case TARGET_SELF_FISHING:
1359	{
1360	TagUnitMap.push_back(m_caster);
1361	}break;
1362	case TARGET_MASTER:
1363	{
1364	if(Unit* owner = m_caster->GetCharmerOrOwner())
1365	TagUnitMap.push_back(owner);
1366	}break;
1367	case TARGET_PET:
1368	{
1369	if(Pet* tmpUnit = m_caster->GetPet())
1370	TagUnitMap.push_back(tmpUnit);
1371	}break;
1372	case TARGET_NONCOMBAT_PET:
1373	{
1374	if(Unit* target = m_targets.getUnitTarget())
1375	if( target->GetTypeId() == TYPEID_UNIT && ((Creature)target)->isPet() && ((Pet)target)->getPetType() == MINI_PET)
1376	TagUnitMap.push_back(target);
1377	}break;
1378	case TARGET_SINGLE_FRIEND: // ally
1379	case TARGET_SINGLE_FRIEND_2: // raid member
1380	case TARGET_DUELVSPLAYER: // all (SelectMagnetTarget()?)
1381	case TARGET_UNIT_SINGLE_UNKNOWN:
1382	{
1383	if(m_targets.getUnitTarget())
1384	TagUnitMap.push_back(m_targets.getUnitTarget());
1385	}break;
1386	case TARGET_CHAIN_DAMAGE:
1387	{
1388	if(Unit* pUnitTarget = SelectMagnetTarget())
1389	{
1390	if(EffectChainTarget <= 1)
1391	TagUnitMap.push_back(pUnitTarget);
1392	else //TODO: chain target should also use magnet target
1393	SearchChainTarget(TagUnitMap, pUnitTarget, radius, EffectChainTarget);
1394	}
1395	}break;
1396	case TARGET_GAMEOBJECT:
1397	{
1398	if(m_targets.getGOTarget())
1399	AddGOTarget(m_targets.getGOTarget(), i);
1400	}break;
1401	case TARGET_GAMEOBJECT_ITEM:
1402	{
1403	if(m_targets.getGOTargetGUID())
1404	AddGOTarget(m_targets.getGOTarget(), i);
1405	else if(m_targets.getItemTarget())
1406	AddItemTarget(m_targets.getItemTarget(), i);
1407	}break;
1408
1409	// channel
1410	case TARGET_SINGLE_ENEMY:
1411	if(m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL])
1412	{
1413	if(Unit* target = m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL]->m_targets.getUnitTarget())
1414	TagUnitMap.push_back(target);
1415	else
1416	sLog.outError( "SPELL: cannot find channel spell target for spell ID %u\n", m_spellInfo->Id );
1417	}
1418	else
1419	sLog.outError( "SPELL: no current channeled spell for spell ID %u\n", m_spellInfo->Id );
1420	break;
1421	case TARGET_DEST_CHANNEL:
1422	if(m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL])
1423	{
1424	if(m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL]->m_targets.HasDest())
1425	m_targets = m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL]->m_targets;
1426	else
1427	sLog.outError( "SPELL: cannot find channel spell destination for spell ID %u\n", m_spellInfo->Id );
1428	}
1429	else
1430	sLog.outError( "SPELL: no current channeled spell for spell ID %u\n", m_spellInfo->Id );
1431	break;
1432
1433	// reference dest
1434	case TARGET_EFFECT_SELECT:
1435	m_targets.setDestination(m_caster, true);
1436	break;
1437	case TARGET_ALL_AROUND_CASTER:
1438	m_targets.setDestination(m_caster, false);
1439	break;
1440	case TARGET_CURRENT_ENEMY_COORDINATES:
1441	m_targets.setDestination(m_targets.getUnitTarget(), true);
1442	break;
1443	case TARGET_DUELVSPLAYER_COORDINATES: // no ground?
1444	m_targets.setDestination(m_targets.getUnitTarget(), false);
1445	break;
1446	case TARGET_DEST_TABLE_UNKNOWN2:
1447	case TARGET_TABLE_X_Y_Z_COORDINATES:
1448	if(SpellTargetPosition const* st = spellmgr.GetSpellTargetPosition(m_spellInfo->Id))
1449	{
1450	//TODO: fix this check
1451	if(m_spellInfo->Effect[0] == SPELL_EFFECT_TELEPORT_UNITS
1452	\|\| m_spellInfo->Effect[1] == SPELL_EFFECT_TELEPORT_UNITS
1453	\|\| m_spellInfo->Effect[2] == SPELL_EFFECT_TELEPORT_UNITS)
1454	m_targets.setDestination(st->target_X, st->target_Y, st->target_Z, true, (int32)st->target_mapId);
1455	else if(st->target_mapId == m_caster->GetMapId())
1456	m_targets.setDestination(st->target_X, st->target_Y, st->target_Z);
1457	}
1458	else
1459	sLog.outError( "SPELL: unknown target coordinates for spell ID %u\n", m_spellInfo->Id );
1460	break;
1461	case TARGET_INNKEEPER_COORDINATES:
1462	if(m_caster->GetTypeId() == TYPEID_PLAYER)
1463	m_targets.setDestination(((Player)m_caster)->m_homebindX,((Player)m_caster)->m_homebindY,((Player)m_caster)->m_homebindZ, true, ((Player)m_caster)->m_homebindMapId);
1464	break;
1465
1466	// area targets
1467	case TARGET_ALL_ENEMY_IN_AREA_INSTANT:
1468	if(m_spellInfo->Effect[i] == SPELL_EFFECT_PERSISTENT_AREA_AURA)
1469	break;
1470	m_targets.m_targetMask \|= TARGET_FLAG_DEST_LOCATION;
1471	case TARGET_ALL_ENEMY_IN_AREA:
1472	SearchAreaTarget(TagUnitMap, radius, PUSH_DEST_CENTER, SPELL_TARGETS_AOE_DAMAGE);
1473	break;
1474	case TARGET_ALL_FRIENDLY_UNITS_IN_AREA:
1475	m_targets.m_targetMask \|= TARGET_FLAG_DEST_LOCATION;
1476	case TARGET_ALL_FRIENDLY_UNITS_AROUND_CASTER:
1477	SearchAreaTarget(TagUnitMap, radius, PUSH_DEST_CENTER, SPELL_TARGETS_FRIENDLY);
1478	break;
1479	case TARGET_AREAEFFECT_CUSTOM:
1480	m_targets.m_targetMask \|= TARGET_FLAG_DEST_LOCATION;
1481	case TARGET_UNIT_AREA_ENTRY:
1482	{
1483	SpellScriptTarget::const_iterator lower = spellmgr.GetBeginSpellScriptTarget(m_spellInfo->Id);
1484	SpellScriptTarget::const_iterator upper = spellmgr.GetEndSpellScriptTarget(m_spellInfo->Id);
1485	if(lower==upper)
1486	{
1487	SearchAreaTarget(TagUnitMap, radius, PUSH_DEST_CENTER, SPELL_TARGETS_AOE_DAMAGE);
1488	//sLog.outErrorDb("Spell (ID: %u) has effect EffectImplicitTargetA/EffectImplicitTargetB = TARGET_SCRIPT, but does not have record in `spell_script_target`",m_spellInfo->Id);
1489	break;
1490	}
1491	// let it be done in one check?
1492	for(SpellScriptTarget::const_iterator i_spellST = lower; i_spellST != upper; ++i_spellST)
1493	{
1494	if(i_spellST->second.type != SPELL_TARGET_TYPE_CREATURE)
1495	{
1496	sLog.outError( "SPELL: spell ID %u requires non-creature target\n", m_spellInfo->Id );
1497	continue;
1498	}
1499	SearchAreaTarget(TagUnitMap, radius, PUSH_DEST_CENTER, SPELL_TARGETS_ENTRY, i_spellST->second.targetEntry);
1500	}
1501	}break;
1502	case TARGET_IN_FRONT_OF_CASTER:
1503	case TARGET_UNIT_CONE_ENEMY_UNKNOWN:
1504	if(spellmgr.GetSpellCustomAttr(m_spellInfo->Id) & SPELL_ATTR_CU_CONE_BACK)
1505	SearchAreaTarget(TagUnitMap, radius, PUSH_IN_BACK, SPELL_TARGETS_AOE_DAMAGE);
1506	else if(spellmgr.GetSpellCustomAttr(m_spellInfo->Id) & SPELL_ATTR_CU_CONE_LINE)
1507	SearchAreaTarget(TagUnitMap, radius, PUSH_IN_LINE, SPELL_TARGETS_AOE_DAMAGE);
1508	else
1509	SearchAreaTarget(TagUnitMap, radius, PUSH_IN_FRONT, SPELL_TARGETS_AOE_DAMAGE);
1510	break;
1511	case TARGET_UNIT_CONE_ALLY:
1512	SearchAreaTarget(TagUnitMap, radius, PUSH_IN_FRONT, SPELL_TARGETS_FRIENDLY);
1513	break;
1514
1515	// nearby target
1516	case TARGET_UNIT_NEARBY_ALLY:
1517	{
1518	if(Unit* pUnitTarget = SearchNearbyTarget(radius, SPELL_TARGETS_FRIENDLY))
1519	TagUnitMap.push_back(pUnitTarget);
1520	}break;
1521	case TARGET_RANDOM_ENEMY_CHAIN_IN_AREA:
1522	{
1523	if(EffectChainTarget <= 1)
1524	{
1525	if(Unit* pUnitTarget = SearchNearbyTarget(radius, SPELL_TARGETS_AOE_DAMAGE))
1526	TagUnitMap.push_back(pUnitTarget);
1527	}
1528	else
1529	SearchChainTarget(TagUnitMap, m_caster, radius, EffectChainTarget);
1530	}break;
1531	case TARGET_SCRIPT:
1532	case TARGET_SCRIPT_COORDINATES:
1533	{
1534	SpellScriptTarget::const_iterator lower = spellmgr.GetBeginSpellScriptTarget(m_spellInfo->Id);
1535	SpellScriptTarget::const_iterator upper = spellmgr.GetEndSpellScriptTarget(m_spellInfo->Id);
1536	if(lower==upper)
1537	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);
1538
1539	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
1540	float range = GetSpellMaxRange(srange);
1541
1542	Creature* creatureScriptTarget = NULL;
1543	GameObject* goScriptTarget = NULL;
1544
1545	for(SpellScriptTarget::const_iterator i_spellST = lower; i_spellST != upper; ++i_spellST)
1546	{
1547	switch(i_spellST->second.type)
1548	{
1549	case SPELL_TARGET_TYPE_GAMEOBJECT:
1550	{
1551	GameObject* p_GameObject = NULL;
1552
1553	if(i_spellST->second.targetEntry)
1554	{
1555	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1556	Cell cell(p);
1557	cell.data.Part.reserved = ALL_DISTRICT;
1558
1559	Trinity::NearestGameObjectEntryInObjectRangeCheck go_check(*m_caster,i_spellST->second.targetEntry,range);
1560	Trinity::GameObjectLastSearcher<Trinity::NearestGameObjectEntryInObjectRangeCheck> checker(p_GameObject,go_check);
1561
1562	TypeContainerVisitor<Trinity::GameObjectLastSearcher<Trinity::NearestGameObjectEntryInObjectRangeCheck>, GridTypeMapContainer > object_checker(checker);
1563	CellLock<GridReadGuard> cell_lock(cell, p);
1564	cell_lock->Visit(cell_lock, object_checker, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1565
1566	if(p_GameObject)
1567	{
1568	// remember found target and range, next attempt will find more near target with another entry
1569	creatureScriptTarget = NULL;
1570	goScriptTarget = p_GameObject;
1571	range = go_check.GetLastRange();
1572	}
1573	}
1574	else if( focusObject ) //Focus Object
1575	{
1576	float frange = m_caster->GetDistance(focusObject);
1577	if(range >= frange)
1578	{
1579	creatureScriptTarget = NULL;
1580	goScriptTarget = focusObject;
1581	range = frange;
1582	}
1583	}
1584	break;
1585	}
1586	case SPELL_TARGET_TYPE_CREATURE:
1587	case SPELL_TARGET_TYPE_DEAD:
1588	default:
1589	{
1590	Creature *p_Creature = NULL;
1591
1592	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1593	Cell cell(p);
1594	cell.data.Part.reserved = ALL_DISTRICT;
1595	cell.SetNoCreate(); // Really don't know what is that???
1596
1597	Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck u_check(*m_caster,i_spellST->second.targetEntry,i_spellST->second.type!=SPELL_TARGET_TYPE_DEAD,range);
1598	Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck> searcher(p_Creature, u_check);
1599
1600	TypeContainerVisitor<Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck>, GridTypeMapContainer > grid_creature_searcher(searcher);
1601
1602	CellLock<GridReadGuard> cell_lock(cell, p);
1603	cell_lock->Visit(cell_lock, grid_creature_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1604
1605	if(p_Creature )
1606	{
1607	creatureScriptTarget = p_Creature;
1608	goScriptTarget = NULL;
1609	range = u_check.GetLastRange();
1610	}
1611	break;
1612	}
1613	}
1614	}
1615
1616	if(cur == TARGET_SCRIPT_COORDINATES)
1617	{
1618	if(creatureScriptTarget)
1619	m_targets.setDestination(creatureScriptTarget->GetPositionX(),creatureScriptTarget->GetPositionY(),creatureScriptTarget->GetPositionZ());
1620	else if(goScriptTarget)
1621	m_targets.setDestination(goScriptTarget->GetPositionX(),goScriptTarget->GetPositionY(),goScriptTarget->GetPositionZ());
1622	}
1623	else
1624	{
1625	if(creatureScriptTarget)
1626	TagUnitMap.push_back(creatureScriptTarget);
1627	else if(goScriptTarget)
1628	AddGOTarget(goScriptTarget, i);
1629	}
1630	}break;
1631
1632	// dummy
1633	case TARGET_AREAEFFECT_CUSTOM_2:
1634	{
1635	TagUnitMap.push_back(m_caster);
1636	break;
1637	}
1638
1639	case TARGET_ALL_PARTY_AROUND_CASTER:
1640	case TARGET_ALL_PARTY_AROUND_CASTER_2:
1641	case TARGET_ALL_PARTY:
1642	{
1643	Player *pTarget = m_caster->GetCharmerOrOwnerPlayerOrPlayerItself();
1644	Group *pGroup = pTarget ? pTarget->GetGroup() : NULL;
1645
1646	if(pGroup)
1647	{
1648	uint8 subgroup = pTarget->GetSubGroup();
1649
1650	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1651	{
1652	Player* Target = itr->getSource();
1653
1654	// IsHostileTo check duel and controlled by enemy
1655	if( Target && Target->GetSubGroup()==subgroup && !m_caster->IsHostileTo(Target) )
1656	{
1657	if( m_caster->IsWithinDistInMap(Target, radius) )
1658	TagUnitMap.push_back(Target);
1659
1660	if(Pet* pet = Target->GetPet())
1661	if( m_caster->IsWithinDistInMap(pet, radius) )
1662	TagUnitMap.push_back(pet);
1663	}
1664	}
1665	}
1666	else
1667	{
1668	Unit* ownerOrSelf = pTarget ? pTarget : m_caster->GetCharmerOrOwnerOrSelf();
1669	if(ownerOrSelf==m_caster \|\| m_caster->IsWithinDistInMap(ownerOrSelf, radius))
1670	TagUnitMap.push_back(ownerOrSelf);
1671	if(Pet* pet = ownerOrSelf->GetPet())
1672	if( m_caster->IsWithinDistInMap(pet, radius) )
1673	TagUnitMap.push_back(pet);
1674	}
1675	}break;
1676	case TARGET_RANDOM_RAID_MEMBER:
1677	{
1678	if (m_caster->GetTypeId() == TYPEID_PLAYER)
1679	if(Player* target = ((Player*)m_caster)->GetNextRandomRaidMember(radius))
1680	TagUnitMap.push_back(target);
1681	}break;
1682	// TARGET_SINGLE_PARTY means that the spells can only be casted on a party member and not on the caster (some seals, fire shield from imp, etc..)
1683	case TARGET_SINGLE_PARTY:
1684	{
1685	Unit *target = m_targets.getUnitTarget();
1686	// Thoses spells apparently can't be casted on the caster.
1687	if( target && target != m_caster)
1688	{
1689	// Can only be casted on group's members or its pets
1690	Group *pGroup = NULL;
1691
1692	Unit* owner = m_caster->GetCharmerOrOwner();
1693	Unit *targetOwner = target->GetCharmerOrOwner();
1694	if(owner)
1695	{
1696	if(owner->GetTypeId() == TYPEID_PLAYER)
1697	{
1698	if( target == owner )
1699	{
1700	TagUnitMap.push_back(target);
1701	break;
1702	}
1703	pGroup = ((Player*)owner)->GetGroup();
1704	}
1705	}
1706	else if (m_caster->GetTypeId() == TYPEID_PLAYER)
1707	{
1708	if( targetOwner == m_caster && target->GetTypeId()==TYPEID_UNIT && ((Creature*)target)->isPet())
1709	{
1710	TagUnitMap.push_back(target);
1711	break;
1712	}
1713	pGroup = ((Player*)m_caster)->GetGroup();
1714	}
1715
1716	if(pGroup)
1717	{
1718	// Our target can also be a player's pet who's grouped with us or our pet. But can't be controlled player
1719	if(targetOwner)
1720	{
1721	if( targetOwner->GetTypeId() == TYPEID_PLAYER &&
1722	target->GetTypeId()==TYPEID_UNIT && (((Creature*)target)->isPet()) &&
1723	target->GetOwnerGUID()==targetOwner->GetGUID() &&
1724	pGroup->IsMember(((Player*)targetOwner)->GetGUID()))
1725	{
1726	TagUnitMap.push_back(target);
1727	}
1728	}
1729	// 1Our target can be a player who is on our group
1730	else if (target->GetTypeId() == TYPEID_PLAYER && pGroup->IsMember(((Player*)target)->GetGUID()))
1731	{
1732	TagUnitMap.push_back(target);
1733	}
1734	}
1735	}
1736	}break;
1737	case TARGET_ALL_ENEMY_IN_AREA_CHANNELED:
1738	{
1739	// targets the ground, not the units in the area
1740	if (m_spellInfo->Effect[i]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
1741	{
1742	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1743	Cell cell(p);
1744	cell.data.Part.reserved = ALL_DISTRICT;
1745	cell.SetNoCreate();
1746
1747	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_DEST_CENTER,SPELL_TARGETS_AOE_DAMAGE);
1748
1749	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1750	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1751
1752	CellLock<GridReadGuard> cell_lock(cell, p);
1753	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1754	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1755	}
1756	}break;
1757	case TARGET_AREAEFFECT_PARTY:
1758	{
1759	Unit* owner = m_caster->GetCharmerOrOwner();
1760	Player *pTarget = NULL;
1761
1762	if(owner)
1763	{
1764	TagUnitMap.push_back(m_caster);
1765	if(owner->GetTypeId() == TYPEID_PLAYER)
1766	pTarget = (Player*)owner;
1767	}
1768	else if (m_caster->GetTypeId() == TYPEID_PLAYER)
1769	{
1770	if(Unit* target = m_targets.getUnitTarget())
1771	{
1772	if( target->GetTypeId() != TYPEID_PLAYER)
1773	{
1774	if(((Creature*)target)->isPet())
1775	{
1776	Unit *targetOwner = target->GetOwner();
1777	if(targetOwner->GetTypeId() == TYPEID_PLAYER)
1778	pTarget = (Player*)targetOwner;
1779	}
1780	}
1781	else
1782	pTarget = (Player*)target;
1783	}
1784	}
1785
1786	Group* pGroup = pTarget ? pTarget->GetGroup() : NULL;
1787
1788	if(pGroup)
1789	{
1790	uint8 subgroup = pTarget->GetSubGroup();
1791
1792	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1793	{
1794	Player* Target = itr->getSource();
1795
1796	// IsHostileTo check duel and controlled by enemy
1797	if(Target && Target->GetSubGroup()==subgroup && !m_caster->IsHostileTo(Target))
1798	{
1799	if( pTarget->IsWithinDistInMap(Target, radius) )
1800	TagUnitMap.push_back(Target);
1801
1802	if(Pet* pet = Target->GetPet())
1803	if( pTarget->IsWithinDistInMap(pet, radius) )
1804	TagUnitMap.push_back(pet);
1805	}
1806	}
1807	}
1808	else if (owner)
1809	{
1810	if(m_caster->IsWithinDistInMap(owner, radius))
1811	TagUnitMap.push_back(owner);
1812	}
1813	else if(pTarget)
1814	{
1815	TagUnitMap.push_back(pTarget);
1816
1817	if(Pet* pet = pTarget->GetPet())
1818	if( m_caster->IsWithinDistInMap(pet, radius) )
1819	TagUnitMap.push_back(pet);
1820	}
1821
1822	}break;
1823	case TARGET_CHAIN_HEAL:
1824	{
1825	Unit* pUnitTarget = m_targets.getUnitTarget();
1826	if(!pUnitTarget)
1827	break;
1828
1829	if (EffectChainTarget <= 1)
1830	TagUnitMap.push_back(pUnitTarget);
1831	else
1832	{
1833	unMaxTargets = EffectChainTarget;
1834	float max_range = radius + unMaxTargets * CHAIN_SPELL_JUMP_RADIUS;
1835
1836	std::list<Unit *> tempUnitMap;
1837
1838	{
1839	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1840	Cell cell(p);
1841	cell.data.Part.reserved = ALL_DISTRICT;
1842	cell.SetNoCreate();
1843
1844	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, tempUnitMap, max_range, PUSH_SELF_CENTER, SPELL_TARGETS_FRIENDLY);
1845
1846	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1847	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1848
1849	CellLock<GridReadGuard> cell_lock(cell, p);
1850	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1851	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1852
1853	}
1854
1855	if(m_caster != pUnitTarget && std::find(tempUnitMap.begin(),tempUnitMap.end(),m_caster) == tempUnitMap.end() )
1856	tempUnitMap.push_front(m_caster);
1857
1858	tempUnitMap.sort(TargetDistanceOrder(pUnitTarget));
1859
1860	if(tempUnitMap.empty())
1861	break;
1862
1863	if(*tempUnitMap.begin() == pUnitTarget)
1864	tempUnitMap.erase(tempUnitMap.begin());
1865
1866	TagUnitMap.push_back(pUnitTarget);
1867	uint32 t = unMaxTargets - 1;
1868	Unit *prev = pUnitTarget;
1869	std::list<Unit*>::iterator next = tempUnitMap.begin();
1870
1871	while(t && next != tempUnitMap.end() )
1872	{
1873	if(prev->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
1874	break;
1875
1876	if(!prev->IsWithinLOSInMap(*next))
1877	{
1878	++next;
1879	continue;
1880	}
1881
1882	if((next)->GetHealth() == (next)->GetMaxHealth())
1883	{
1884	next = tempUnitMap.erase(next);
1885	continue;
1886	}
1887
1888	prev = *next;
1889	TagUnitMap.push_back(prev);
1890	tempUnitMap.erase(next);
1891	tempUnitMap.sort(TargetDistanceOrder(prev));
1892	next = tempUnitMap.begin();
1893
1894	--t;
1895	}
1896	}
1897	}break;
1898	case TARGET_AREAEFFECT_PARTY_AND_CLASS:
1899	{
1900	Player* targetPlayer = m_targets.getUnitTarget() && m_targets.getUnitTarget()->GetTypeId() == TYPEID_PLAYER
1901	? (Player*)m_targets.getUnitTarget() : NULL;
1902
1903	Group* pGroup = targetPlayer ? targetPlayer->GetGroup() : NULL;
1904	if(pGroup)
1905	{
1906	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1907	{
1908	Player* Target = itr->getSource();
1909
1910	// IsHostileTo check duel and controlled by enemy
1911	if( Target && targetPlayer->IsWithinDistInMap(Target, radius) &&
1912	targetPlayer->getClass() == Target->getClass() &&
1913	!m_caster->IsHostileTo(Target) )
1914	{
1915	TagUnitMap.push_back(Target);
1916	}
1917	}
1918	}
1919	else if(m_targets.getUnitTarget())
1920	TagUnitMap.push_back(m_targets.getUnitTarget());
1921	break;
1922	}
1923
1924	// destination around caster
1925	case TARGET_DEST_CASTER_FRONT_LEFT:
1926	case TARGET_DEST_CASTER_BACK_LEFT:
1927	case TARGET_DEST_CASTER_BACK_RIGHT:
1928	case TARGET_DEST_CASTER_FRONT_RIGHT:
1929	case TARGET_DEST_CASTER_FRONT:
1930	case TARGET_MINION:
1931	case TARGET_DEST_CASTER_FRONT_LEAP:
1932	case TARGET_DEST_CASTER_FRONT_UNKNOWN:
1933	case TARGET_DEST_CASTER_BACK:
1934	case TARGET_DEST_CASTER_RIGHT:
1935	case TARGET_DEST_CASTER_LEFT:
1936	case TARGET_DEST_CASTER_RANDOM:
1937	case TARGET_DEST_CASTER_RADIUS:
1938	{
1939	float x, y, z, angle, dist;
1940
1941	if (m_spellInfo->EffectRadiusIndex[i])
1942	dist = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
1943	else
1944	dist = 3.0f;//do we need this?
1945	if (cur == TARGET_DEST_CASTER_RANDOM)
1946	dist *= rand_norm(); // This case we need to consider caster size
1947	else
1948	dist -= m_caster->GetObjectSize(); // Size is calculated in GetNearPoint(), but we do not need it
1949	//need a new function to remove this repeated work
1950
1951	switch(cur)
1952	{
1953	case TARGET_DEST_CASTER_FRONT_LEFT: angle = -M_PI/4; break;
1954	case TARGET_DEST_CASTER_BACK_LEFT: angle = -3*M_PI/4; break;
1955	case TARGET_DEST_CASTER_BACK_RIGHT: angle = 3*M_PI/4; break;
1956	case TARGET_DEST_CASTER_FRONT_RIGHT:angle = M_PI/4; break;
1957	case TARGET_MINION:
1958	case TARGET_DEST_CASTER_FRONT_LEAP:
1959	case TARGET_DEST_CASTER_FRONT_UNKNOWN:
1960	case TARGET_DEST_CASTER_FRONT: angle = 0.0f; break;
1961	case TARGET_DEST_CASTER_BACK: angle = M_PI; break;
1962	case TARGET_DEST_CASTER_RIGHT: angle = M_PI/2; break;
1963	case TARGET_DEST_CASTER_LEFT: angle = -M_PI/2; break;
1964	default: angle = rand_norm()2M_PI; break;
1965	}
1966
1967	m_caster->GetClosePoint(x, y, z, 0, dist, angle);
1968	m_targets.setDestination(x, y, z); // do not know if has ground visual
1969	}break;
1970
1971	// destination around target
1972	case TARGET_DEST_TARGET_FRONT:
1973	case TARGET_DEST_TARGET_BACK:
1974	case TARGET_DEST_TARGET_RIGHT:
1975	case TARGET_DEST_TARGET_LEFT:
1976	case TARGET_DEST_TARGET_RANDOM:
1977	case TARGET_DEST_TARGET_RADIUS:
1978	{
1979	Unit *target = m_targets.getUnitTarget();
1980	if(!target)
1981	{
1982	sLog.outError("SPELL: no unit target for spell ID %u\n", m_spellInfo->Id);
1983	break;
1984	}
1985
1986	float x, y, z, angle, dist;
1987
1988	if (m_spellInfo->EffectRadiusIndex[i])
1989	dist = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
1990	else
1991	dist = 3.0f;//do we need this?
1992	if (cur == TARGET_DEST_TARGET_RANDOM)
1993	dist *= rand_norm(); // This case we need to consider caster size
1994	else
1995	dist -= target->GetObjectSize(); // Size is calculated in GetNearPoint(), but we do not need it
1996	//need a new function to remove this repeated work
1997
1998	switch(cur)
1999	{
2000	case TARGET_DEST_TARGET_FRONT: angle = 0.0f; break;
2001	case TARGET_DEST_TARGET_BACK: angle = M_PI; break;
2002	case TARGET_DEST_TARGET_RIGHT: angle = M_PI/2; break;
2003	case TARGET_DEST_TARGET_LEFT: angle = -M_PI/2; break;
2004	default: angle = rand_norm()2M_PI; break;
2005	}
2006
2007	target->GetClosePoint(x, y, z, 0, dist, angle);
2008	m_targets.setDestination(x, y, z); // do not know if has ground visual
2009	}break;
2010
2011	// destination around destination
2012	case TARGET_DEST_DEST_RANDOM:
2013	{
2014	if(!m_targets.HasDest())
2015	{
2016	sLog.outError("SPELL: no destination for spell ID %u\n", m_spellInfo->Id);
2017	break;
2018	}
2019	float x, y, z, dist, px, py, pz;
2020	dist = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
2021	x = m_targets.m_destX;
2022	y = m_targets.m_destY;
2023	z = m_targets.m_destZ;
2024	m_caster->GetRandomPoint(x, y, z, dist, px, py, pz);
2025	m_targets.setDestination(px, py, pz);
2026	}break;
2027	case TARGET_SELF2:
2028	if(!m_targets.HasDest())
2029	{
2030	sLog.outError("SPELL: no destination for spell ID %u\n", m_spellInfo->Id);
2031	break;
2032	}
2033	break;
2034	default:
2035	break;
2036	}
2037
2038	if (unMaxTargets && TagUnitMap.size() > unMaxTargets)
2039	{
2040	// make sure one unit is always removed per iteration
2041	uint32 removed_utarget = 0;
2042	for (std::list<Unit*>::iterator itr = TagUnitMap.begin(), next; itr != TagUnitMap.end(); itr = next)
2043	{
2044	next = itr;
2045	++next;
2046	if (!*itr) continue;
2047	if ((*itr) == m_targets.getUnitTarget())
2048	{
2049	TagUnitMap.erase(itr);
2050	removed_utarget = 1;
2051	// break;
2052	}
2053	}
2054	// remove random units from the map
2055	while (TagUnitMap.size() > unMaxTargets - removed_utarget)
2056	{
2057	uint32 poz = urand(0, TagUnitMap.size()-1);
2058	for (std::list<Unit*>::iterator itr = TagUnitMap.begin(); itr != TagUnitMap.end(); ++itr, --poz)
2059	{
2060	if (!*itr) continue;
2061	if (!poz)
2062	{
2063	TagUnitMap.erase(itr);
2064	break;
2065	}
2066	}
2067	}
2068	// the player's target will always be added to the map
2069	if (removed_utarget && m_targets.getUnitTarget())
2070	TagUnitMap.push_back(m_targets.getUnitTarget());
2071	}
2072	}
2073
2074	void Spell::prepare(SpellCastTargets * targets, Aura* triggeredByAura)
2075	{
2076	m_targets = *targets;
2077
2078	m_spellState = SPELL_STATE_PREPARING;
2079
2080	m_caster->GetPosition(m_castPositionX, m_castPositionY, m_castPositionZ);
2081	m_castOrientation = m_caster->GetOrientation();
2082
2083	if(triggeredByAura)
2084	m_triggeredByAuraSpell = triggeredByAura->GetSpellProto();
2085
2086	// create and add update event for this spell
2087	SpellEvent* Event = new SpellEvent(this);
2088	m_caster->m_Events.AddEvent(Event, m_caster->m_Events.CalculateTime(1));
2089
2090	//Prevent casting at cast another spell (ServerSide check)
2091	if(m_caster->IsNonMeleeSpellCasted(false, true) && m_cast_count)
2092	{
2093	SendCastResult(SPELL_FAILED_SPELL_IN_PROGRESS);
2094	finish(false);
2095	return;
2096	}
2097
2098	if(m_caster->GetTypeId() == TYPEID_PLAYER \|\| (m_caster->GetTypeId() == TYPEID_UNIT && ((Creature*)m_caster)->isPet()))
2099	{
2100	if(objmgr.IsPlayerSpellDisabled(m_spellInfo->Id))
2101	{
2102	SendCastResult(SPELL_FAILED_SPELL_UNAVAILABLE);
2103	finish(false);
2104	return;
2105	}
2106	}
2107	else
2108	{
2109	if(objmgr.IsCreatureSpellDisabled(m_spellInfo->Id))
2110	{
2111	finish(false);
2112	return;
2113	}
2114	}
2115
2116	// Fill cost data
2117	m_powerCost = CalculatePowerCost();
2118
2119	uint8 result = CanCast(true);
2120	if(result != 0 && !IsAutoRepeat()) //always cast autorepeat dummy for triggering
2121	{
2122	if(triggeredByAura)
2123	{
2124	SendChannelUpdate(0);
2125	triggeredByAura->SetAuraDuration(0);
2126	}
2127	SendCastResult(result);
2128	finish(false);
2129	return;
2130	}
2131
2132	// calculate cast time (calculated after first CanCast check to prevent charge counting for first CanCast fail)
2133	m_casttime = GetSpellCastTime(m_spellInfo, this);
2134
2135	// set timer base at cast time
2136	ReSetTimer();
2137
2138	if(m_IsTriggeredSpell)
2139	cast(true);
2140	else
2141	{
2142	m_caster->SetCurrentCastedSpell( this );
2143	m_selfContainer = &(m_caster->m_currentSpells[GetCurrentContainer()]);
2144	SendSpellStart();
2145	m_caster->addUnitState(UNIT_STAT_CASTING);
2146	}
2147	}
2148
2149	void Spell::cancel()
2150	{
2151	if(m_spellState == SPELL_STATE_FINISHED)
2152	return;
2153
2154	m_autoRepeat = false;
2155	switch (m_spellState)
2156	{
2157	case SPELL_STATE_PREPARING:
2158	case SPELL_STATE_DELAYED:
2159	{
2160	SendInterrupted(0);
2161	SendCastResult(SPELL_FAILED_INTERRUPTED);
2162	} break;
2163
2164	case SPELL_STATE_CASTING:
2165	{
2166	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2167	{
2168	if( ihit->missCondition == SPELL_MISS_NONE )
2169	{
2170	Unit* unit = m_caster->GetGUID()==(ihit).targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
2171	if( unit && unit->isAlive() )
2172	unit->RemoveAurasDueToSpell(m_spellInfo->Id);
2173	}
2174	}
2175
2176	m_caster->RemoveAurasDueToSpell(m_spellInfo->Id);
2177	SendChannelUpdate(0);
2178	SendInterrupted(0);
2179	SendCastResult(SPELL_FAILED_INTERRUPTED);
2180	} break;
2181
2182	default:
2183	{
2184	} break;
2185	}
2186
2187	finish(false);
2188	m_caster->RemoveDynObject(m_spellInfo->Id);
2189	m_caster->RemoveGameObject(m_spellInfo->Id,true);
2190	}
2191
2192	void Spell::cast(bool skipCheck)
2193	{
2194	SetExecutedCurrently(true);
2195
2196	uint8 castResult = 0;
2197
2198	// update pointers base at GUIDs to prevent access to non-existed already object
2199	UpdatePointers();
2200
2201	// cancel at lost main target unit
2202	if(!m_targets.getUnitTarget() && m_targets.getUnitTargetGUID() && m_targets.getUnitTargetGUID() != m_caster->GetGUID())
2203	{
2204	cancel();
2205	SetExecutedCurrently(false);
2206	return;
2207	}
2208
2209	if(m_caster->GetTypeId() != TYPEID_PLAYER && m_targets.getUnitTarget() && m_targets.getUnitTarget() != m_caster)
2210	m_caster->SetInFront(m_targets.getUnitTarget());
2211
2212	castResult = CheckPower();
2213	if(castResult != 0)
2214	{
2215	SendCastResult(castResult);
2216	finish(false);
2217	SetExecutedCurrently(false);
2218	return;
2219	}
2220
2221	// triggered cast called from Spell::prepare where it was already checked
2222	if(!skipCheck)
2223	{
2224	castResult = CanCast(false);
2225	if(castResult != 0)
2226	{
2227	SendCastResult(castResult);
2228	finish(false);
2229	SetExecutedCurrently(false);
2230	return;
2231	}
2232	}
2233
2234	FillTargetMap();
2235
2236	// stealth must be removed at cast starting (at show channel bar)
2237	// skip triggered spell (item equip spell casting and other not explicit character casts/item uses)
2238	if ( !m_IsTriggeredSpell && isSpellBreakStealth(m_spellInfo) )
2239	{
2240	m_caster->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_CAST);
2241	}
2242
2243	// who did this hack?
2244	// Conflagrate - consumes immolate
2245	if ((m_spellInfo->TargetAuraState == AURA_STATE_IMMOLATE) && m_targets.getUnitTarget())
2246	{
2247	// for caster applied auras only
2248	Unit::AuraList const &mPeriodic = m_targets.getUnitTarget()->GetAurasByType(SPELL_AURA_PERIODIC_DAMAGE);
2249	for(Unit::AuraList::const_iterator i = mPeriodic.begin(); i != mPeriodic.end(); ++i)
2250	{
2251	if( (i)->GetSpellProto()->SpellFamilyName == SPELLFAMILY_WARLOCK && ((i)->GetSpellProto()->SpellFamilyFlags & 4) &&
2252	(*i)->GetCasterGUID()==m_caster->GetGUID() )
2253	{
2254	m_targets.getUnitTarget()->RemoveAura((i)->GetId(), (i)->GetEffIndex());
2255	break;
2256	}
2257	}
2258	}
2259
2260	if(const std::vector<int32> *spell_triggered = spellmgr.GetSpellLinked(m_spellInfo->Id))
2261	{
2262	for(std::vector<int32>::const_iterator i = spell_triggered->begin(); i != spell_triggered->end(); ++i)
2263	{
2264	if(spell_triggered < 0)
2265	m_caster->RemoveAurasDueToSpell(-(*i));
2266	else
2267	m_caster->CastSpell(m_targets.getUnitTarget() ? m_targets.getUnitTarget() : m_caster, *i, true);
2268	}
2269	}
2270
2271	// traded items have trade slot instead of guid in m_itemTargetGUID
2272	// set to real guid to be sent later to the client
2273	m_targets.updateTradeSlotItem();
2274
2275	// CAST SPELL
2276	SendSpellCooldown();
2277
2278	TakePower();
2279	TakeReagents(); // we must remove reagents before HandleEffects to allow place crafted item in same slot
2280
2281	if(m_spellState == SPELL_STATE_FINISHED) // stop cast if spell marked as finish somewhere in Take*/FillTargetMap
2282	{
2283	SetExecutedCurrently(false);
2284	return;
2285	}
2286
2287	SendCastResult(castResult);
2288	SendSpellGo(); // we must send smsg_spell_go packet before m_castItem delete in TakeCastItem()...
2289
2290	// Pass cast spell event to handler (not send triggered by aura spells)
2291	if (m_spellInfo->DmgClass != SPELL_DAMAGE_CLASS_MELEE && m_spellInfo->DmgClass != SPELL_DAMAGE_CLASS_RANGED && !m_triggeredByAuraSpell)
2292	{
2293	m_caster->ProcDamageAndSpell(m_targets.getUnitTarget(), PROC_FLAG_CAST_SPELL, PROC_FLAG_NONE, 0, SPELL_SCHOOL_MASK_NONE, m_spellInfo, m_IsTriggeredSpell);
2294
2295	// update pointers base at GUIDs to prevent access to non-existed already object
2296	UpdatePointers(); // pointers can be invalidate at triggered spell casting
2297	}
2298
2299	// Okay, everything is prepared. Now we need to distinguish between immediate and evented delayed spells
2300	if (m_spellInfo->speed > 0.0f && !IsChanneledSpell(m_spellInfo))
2301	{
2302
2303	// Remove used for cast item if need (it can be already NULL after TakeReagents call
2304	// in case delayed spell remove item at cast delay start
2305	TakeCastItem();
2306
2307	// Okay, maps created, now prepare flags
2308	m_immediateHandled = false;
2309	m_spellState = SPELL_STATE_DELAYED;
2310	SetDelayStart(0);
2311	}
2312	else
2313	{
2314	// Immediate spell, no big deal
2315	handle_immediate();
2316	}
2317
2318	SetExecutedCurrently(false);
2319	}
2320
2321	void Spell::handle_immediate()
2322	{
2323	// start channeling if applicable
2324	if(IsChanneledSpell(m_spellInfo))
2325	{
2326	m_spellState = SPELL_STATE_CASTING;
2327	m_caster->AddInterruptMask(m_spellInfo->ChannelInterruptFlags);
2328	SendChannelStart(GetSpellDuration(m_spellInfo));
2329	}
2330
2331	// process immediate effects (items, ground, etc.) also initialize some variables
2332	_handle_immediate_phase();
2333
2334	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2335	DoAllEffectOnTarget(&(*ihit));
2336
2337	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
2338	DoAllEffectOnTarget(&(*ihit));
2339
2340	// spell is finished, perform some last features of the spell here
2341	_handle_finish_phase();
2342
2343	// Remove used for cast item if need (it can be already NULL after TakeReagents call
2344	TakeCastItem();
2345
2346	if(m_spellState != SPELL_STATE_CASTING)
2347	finish(true); // successfully finish spell cast (not last in case autorepeat or channel spell)
2348	}
2349
2350	uint64 Spell::handle_delayed(uint64 t_offset)
2351	{
2352	uint64 next_time = 0;
2353
2354	if (!m_immediateHandled)
2355	{
2356	_handle_immediate_phase();
2357	m_immediateHandled = true;
2358	}
2359
2360	// 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)
2361	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin(); ihit != m_UniqueTargetInfo.end();++ihit)
2362	{
2363	if (ihit->processed == false)
2364	{
2365	if ( ihit->timeDelay <= t_offset )
2366	DoAllEffectOnTarget(&(*ihit));
2367	else if( next_time == 0 \|\| ihit->timeDelay < next_time )
2368	next_time = ihit->timeDelay;
2369	}
2370	}
2371
2372	// now recheck gameobject targeting correctness
2373	for(std::list<GOTargetInfo>::iterator ighit= m_UniqueGOTargetInfo.begin(); ighit != m_UniqueGOTargetInfo.end();++ighit)
2374	{
2375	if (ighit->processed == false)
2376	{
2377	if ( ighit->timeDelay <= t_offset )
2378	DoAllEffectOnTarget(&(*ighit));
2379	else if( next_time == 0 \|\| ighit->timeDelay < next_time )
2380	next_time = ighit->timeDelay;
2381	}
2382	}
2383	// All targets passed - need finish phase
2384	if (next_time == 0)
2385	{
2386	// spell is finished, perform some last features of the spell here
2387	_handle_finish_phase();
2388
2389	finish(true); // successfully finish spell cast
2390
2391	// return zero, spell is finished now
2392	return 0;
2393	}
2394	else
2395	{
2396	// spell is unfinished, return next execution time
2397	return next_time;
2398	}
2399	}
2400
2401	void Spell::_handle_immediate_phase()
2402	{
2403	// handle some immediate features of the spell here
2404	HandleThreatSpells(m_spellInfo->Id);
2405
2406	m_needSpellLog = IsNeedSendToClient();
2407	for(uint32 j = 0;j<3;j++)
2408	{
2409	if(m_spellInfo->Effect[j]==0)
2410	continue;
2411
2412	// apply Send Event effect to ground in case empty target lists
2413	if( m_spellInfo->Effect[j] == SPELL_EFFECT_SEND_EVENT && !HaveTargetsForEffect(j) )
2414	{
2415	HandleEffects(NULL,NULL,NULL, j);
2416	continue;
2417	}
2418
2419	// Don't do spell log, if is school damage spell
2420	if(m_spellInfo->Effect[j] == SPELL_EFFECT_SCHOOL_DAMAGE \|\| m_spellInfo->Effect[j] == 0)
2421	m_needSpellLog = false;
2422
2423	uint32 EffectChainTarget = m_spellInfo->EffectChainTarget[j];
2424	if(m_originalCaster)
2425	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
2426	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_JUMP_TARGETS, EffectChainTarget, this);
2427
2428	// initialize multipliers
2429	m_damageMultipliers[j] = 1.0f;
2430	if( (m_spellInfo->EffectImplicitTargetA[j] == TARGET_CHAIN_DAMAGE \|\| m_spellInfo->EffectImplicitTargetA[j] == TARGET_CHAIN_HEAL) &&
2431	(EffectChainTarget > 1) )
2432	m_applyMultiplierMask \|= 1 << j;
2433	}
2434
2435	// initialize Diminishing Returns Data
2436	m_diminishLevel = DIMINISHING_LEVEL_1;
2437	m_diminishGroup = DIMINISHING_NONE;
2438
2439	// process items
2440	for(std::list<ItemTargetInfo>::iterator ihit= m_UniqueItemInfo.begin();ihit != m_UniqueItemInfo.end();++ihit)
2441	DoAllEffectOnTarget(&(*ihit));
2442
2443	// process ground
2444	for(uint32 j = 0;j<3;j++)
2445	{
2446	// persistent area auras target only the ground
2447	if(m_spellInfo->Effect[j] == SPELL_EFFECT_PERSISTENT_AREA_AURA)
2448	HandleEffects(NULL,NULL,NULL, j);
2449	}
2450	}
2451
2452	void Spell::_handle_finish_phase()
2453	{
2454	// spell log
2455	if(m_needSpellLog)
2456	SendLogExecute();
2457	}
2458
2459	void Spell::SendSpellCooldown()
2460	{
2461	if(m_caster->GetTypeId() != TYPEID_PLAYER)
2462	return;
2463
2464	Player* _player = (Player*)m_caster;
2465	// Add cooldown for max (disable spell)
2466	// Cooldown started on SendCooldownEvent call
2467	if (m_spellInfo->Attributes & SPELL_ATTR_DISABLED_WHILE_ACTIVE)
2468	{
2469	_player->AddSpellCooldown(m_spellInfo->Id, 0, time(NULL) - 1);
2470	return;
2471	}
2472
2473	// init cooldown values
2474	uint32 cat = 0;
2475	int32 rec = -1;
2476	int32 catrec = -1;
2477
2478	// some special item spells without correct cooldown in SpellInfo
2479	// cooldown information stored in item prototype
2480	// This used in same way in WorldSession::HandleItemQuerySingleOpcode data sending to client.
2481
2482	if(m_CastItem)
2483	{
2484	ItemPrototype const* proto = m_CastItem->GetProto();
2485	if(proto)
2486	{
2487	for(int idx = 0; idx < 5; ++idx)
2488	{
2489	if(proto->Spells[idx].SpellId == m_spellInfo->Id)
2490	{
2491	cat = proto->Spells[idx].SpellCategory;
2492	rec = proto->Spells[idx].SpellCooldown;
2493	catrec = proto->Spells[idx].SpellCategoryCooldown;
2494	break;
2495	}
2496	}
2497	}
2498	}
2499
2500	// if no cooldown found above then base at DBC data
2501	if(rec < 0 && catrec < 0)
2502	{
2503	cat = m_spellInfo->Category;
2504	rec = m_spellInfo->RecoveryTime;
2505	catrec = m_spellInfo->CategoryRecoveryTime;
2506	}
2507
2508	// shoot spells used equipped item cooldown values already assigned in GetAttackTime(RANGED_ATTACK)
2509	// prevent 0 cooldowns set by another way
2510	if (rec <= 0 && catrec <= 0 && (cat == 76 \|\| cat == 351))
2511	rec = _player->GetAttackTime(RANGED_ATTACK);
2512
2513	// Now we have cooldown data (if found any), time to apply mods
2514	if(rec > 0)
2515	_player->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COOLDOWN, rec, this);
2516
2517	if(catrec > 0)
2518	_player->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COOLDOWN, catrec, this);
2519
2520	// replace negative cooldowns by 0
2521	if (rec < 0) rec = 0;
2522	if (catrec < 0) catrec = 0;
2523
2524	// no cooldown after applying spell mods
2525	if( rec == 0 && catrec == 0)
2526	return;
2527
2528	time_t curTime = time(NULL);
2529
2530	time_t catrecTime = catrec ? curTime+catrec/1000 : 0; // in secs
2531	time_t recTime = rec ? curTime+rec/1000 : catrecTime;// in secs
2532
2533	// self spell cooldown
2534	if(recTime > 0)
2535	_player->AddSpellCooldown(m_spellInfo->Id, m_CastItem ? m_CastItem->GetEntry() : 0, recTime);
2536
2537	// category spells
2538	if (catrec > 0)
2539	{
2540	SpellCategoryStore::const_iterator i_scstore = sSpellCategoryStore.find(cat);
2541	if(i_scstore != sSpellCategoryStore.end())
2542	{
2543	for(SpellCategorySet::const_iterator i_scset = i_scstore->second.begin(); i_scset != i_scstore->second.end(); ++i_scset)
2544	{
2545	if(*i_scset == m_spellInfo->Id) // skip main spell, already handled above
2546	continue;
2547
2548	_player->AddSpellCooldown(m_spellInfo->Id, m_CastItem ? m_CastItem->GetEntry() : 0, catrecTime);
2549	}
2550	}
2551	}
2552	}
2553
2554	void Spell::update(uint32 difftime)
2555	{
2556	// update pointers based at it's GUIDs
2557	UpdatePointers();
2558
2559	if(m_targets.getUnitTargetGUID() && !m_targets.getUnitTarget())
2560	{
2561	cancel();
2562	return;
2563	}
2564
2565	// check if the player caster has moved before the spell finished
2566	if ((m_caster->GetTypeId() == TYPEID_PLAYER && m_timer != 0) &&
2567	(m_castPositionX != m_caster->GetPositionX() \|\| m_castPositionY != m_caster->GetPositionY() \|\| m_castPositionZ != m_caster->GetPositionZ()) &&
2568	(m_spellInfo->Effect[0] != SPELL_EFFECT_STUCK \|\| !m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING)))
2569	{
2570	// always cancel for channeled spells
2571	//if( m_spellState == SPELL_STATE_CASTING )
2572	// cancel();
2573	// don't cancel for melee, autorepeat, triggered and instant spells
2574	//else
2575	if(!IsNextMeleeSwingSpell() && !IsAutoRepeat() && !m_IsTriggeredSpell && (m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_MOVEMENT))
2576	cancel();
2577	}
2578
2579	switch(m_spellState)
2580	{
2581	case SPELL_STATE_PREPARING:
2582	{
2583	if(m_timer)
2584	{
2585	if(difftime >= m_timer)
2586	m_timer = 0;
2587	else
2588	m_timer -= difftime;
2589	}
2590
2591	if(m_timer == 0 && !IsNextMeleeSwingSpell() && !IsAutoRepeat())
2592	cast();
2593	} break;
2594	case SPELL_STATE_CASTING:
2595	{
2596	if(m_timer > 0)
2597	{
2598	if( m_caster->GetTypeId() == TYPEID_PLAYER )
2599	{
2600	// check if player has jumped before the channeling finished
2601	if(m_caster->HasUnitMovementFlag(MOVEMENTFLAG_JUMPING))
2602	cancel();
2603
2604	// check for incapacitating player states
2605	if( m_caster->hasUnitState(UNIT_STAT_STUNNED \| UNIT_STAT_CONFUSED))
2606	cancel();
2607	}
2608
2609	// check if there are alive targets left
2610	if (!IsAliveUnitPresentInTargetList())
2611	{
2612	SendChannelUpdate(0);
2613	finish();
2614	}
2615
2616	if(difftime >= m_timer)
2617	m_timer = 0;
2618	else
2619	m_timer -= difftime;
2620	}
2621
2622	if(m_timer == 0)
2623	{
2624	SendChannelUpdate(0);
2625
2626	// channeled spell processed independently for quest targeting
2627	// cast at creature (or GO) quest objectives update at successful cast channel finished
2628	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
2629	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() )
2630	{
2631	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2632	{
2633	TargetInfo* target = &*ihit;
2634	if(!IS_CREATURE_GUID(target->targetGUID))
2635	continue;
2636
2637	Unit* unit = m_caster->GetGUID()==target->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster,target->targetGUID);
2638	if (unit==NULL)
2639	continue;
2640
2641	((Player*)m_caster)->CastedCreatureOrGO(unit->GetEntry(),unit->GetGUID(),m_spellInfo->Id);
2642	}
2643
2644	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
2645	{
2646	GOTargetInfo* target = &*ihit;
2647
2648	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, target->targetGUID);
2649	if(!go)
2650	continue;
2651
2652	((Player*)m_caster)->CastedCreatureOrGO(go->GetEntry(),go->GetGUID(),m_spellInfo->Id);
2653	}
2654	}
2655
2656	finish();
2657	}
2658	} break;
2659	default:
2660	{
2661	}break;
2662	}
2663	}
2664
2665	void Spell::finish(bool ok)
2666	{
2667	if(!m_caster)
2668	return;
2669
2670	if(m_spellState == SPELL_STATE_FINISHED)
2671	return;
2672
2673	m_spellState = SPELL_STATE_FINISHED;
2674
2675	if(IsChanneledSpell(m_spellInfo))
2676	m_caster->UpdateInterruptMask();
2677
2678	if(!m_caster->IsNonMeleeSpellCasted(false, false, true))
2679	m_caster->clearUnitState(UNIT_STAT_CASTING);
2680
2681	//remove spell mods
2682	if (m_caster->GetTypeId() == TYPEID_PLAYER)
2683	((Player*)m_caster)->RemoveSpellMods(this);
2684
2685	// other code related only to successfully finished spells
2686	if(!ok)
2687	return;
2688
2689	//handle SPELL_AURA_ADD_TARGET_TRIGGER auras
2690	Unit::AuraList const& targetTriggers = m_caster->GetAurasByType(SPELL_AURA_ADD_TARGET_TRIGGER);
2691	for(Unit::AuraList::const_iterator i = targetTriggers.begin(); i != targetTriggers.end(); ++i)
2692	{
2693	SpellEntry const auraSpellInfo = (i)->GetSpellProto();
2694	uint32 auraSpellIdx = (*i)->GetEffIndex();
2695	if (IsAffectedBy(auraSpellInfo, auraSpellIdx))
2696	{
2697	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2698	if( ihit->effectMask & (1<<auraSpellIdx) )
2699	{
2700	// check m_caster->GetGUID() let load auras at login and speedup most often case
2701	Unit unit = m_caster->GetGUID()== ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
2702	if (unit && unit->isAlive())
2703	{
2704	// Calculate chance at that moment (can be depend for example from combo points)
2705	int32 chance = m_caster->CalculateSpellDamage(auraSpellInfo, auraSpellIdx, (*i)->GetBasePoints(),unit);
2706
2707	if(roll_chance_i(chance))
2708	m_caster->CastSpell(unit, auraSpellInfo->EffectTriggerSpell[auraSpellIdx], true, NULL, (*i));
2709	}
2710	}
2711	}
2712	}
2713
2714	/*if (IsMeleeAttackResetSpell())
2715	{
2716	m_caster->resetAttackTimer(BASE_ATTACK);
2717	if(m_caster->haveOffhandWeapon())
2718	m_caster->resetAttackTimer(OFF_ATTACK);
2719	}*/
2720
2721	/*if (IsRangedAttackResetSpell())
2722	m_caster->resetAttackTimer(RANGED_ATTACK);*/
2723
2724	// Clear combo at finish state
2725	if(m_caster->GetTypeId() == TYPEID_PLAYER && NeedsComboPoints(m_spellInfo))
2726	{
2727	// Not drop combopoints if any miss exist
2728	bool needDrop = true;
2729	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2730	if (ihit->missCondition != SPELL_MISS_NONE)
2731	{
2732	needDrop = false;
2733	break;
2734	}
2735	if (needDrop)
2736	((Player*)m_caster)->ClearComboPoints();
2737	}
2738
2739	// call triggered spell only at successful cast (after clear combo points -> for add some if need)
2740	if(!m_TriggerSpells.empty())
2741	TriggerSpell();
2742
2743	// Stop Attack for some spells
2744	if( m_spellInfo->Attributes & SPELL_ATTR_STOP_ATTACK_TARGET )
2745	m_caster->AttackStop();
2746	}
2747
2748	void Spell::SendCastResult(uint8 result)
2749	{
2750	if (m_caster->GetTypeId() != TYPEID_PLAYER)
2751	return;
2752
2753	if(((Player*)m_caster)->GetSession()->PlayerLoading()) // don't send cast results at loading time
2754	return;
2755
2756	if(result != 0)
2757	{
2758	WorldPacket data(SMSG_CAST_FAILED, (4+1+1));
2759	data << uint32(m_spellInfo->Id);
2760	data << uint8(result); // problem
2761	data << uint8(m_cast_count); // single cast or multi 2.3 (0/1)
2762	switch (result)
2763	{
2764	case SPELL_FAILED_REQUIRES_SPELL_FOCUS:
2765	data << uint32(m_spellInfo->RequiresSpellFocus);
2766	break;
2767	case SPELL_FAILED_REQUIRES_AREA:
2768	// hardcode areas limitation case
2769	if( m_spellInfo->Id==41618 \|\| m_spellInfo->Id==41620 )
2770	data << uint32(3842);
2771	else if( m_spellInfo->Id==41617 \|\| m_spellInfo->Id==41619 )
2772	data << uint32(3905);
2773	// normal case
2774	else
2775	data << uint32(m_spellInfo->AreaId);
2776	break;
2777	case SPELL_FAILED_TOTEMS:
2778	if(m_spellInfo->Totem[0])
2779	data << uint32(m_spellInfo->Totem[0]);
2780	if(m_spellInfo->Totem[1])
2781	data << uint32(m_spellInfo->Totem[1]);
2782	break;
2783	case SPELL_FAILED_TOTEM_CATEGORY:
2784	if(m_spellInfo->TotemCategory[0])
2785	data << uint32(m_spellInfo->TotemCategory[0]);
2786	if(m_spellInfo->TotemCategory[1])
2787	data << uint32(m_spellInfo->TotemCategory[1]);
2788	break;
2789	case SPELL_FAILED_EQUIPPED_ITEM_CLASS:
2790	data << uint32(m_spellInfo->EquippedItemClass);
2791	data << uint32(m_spellInfo->EquippedItemSubClassMask);
2792	data << uint32(m_spellInfo->EquippedItemInventoryTypeMask);
2793	break;
2794	}
2795	((Player*)m_caster)->GetSession()->SendPacket(&data);
2796	}
2797	else
2798	{
2799	WorldPacket data(SMSG_CLEAR_EXTRA_AURA_INFO, (8+4));
2800	data.append(m_caster->GetPackGUID());
2801	data << uint32(m_spellInfo->Id);
2802	((Player*)m_caster)->GetSession()->SendPacket(&data);
2803	}
2804	}
2805
2806	void Spell::SendSpellStart()
2807	{
2808	if(!IsNeedSendToClient())
2809	return;
2810
2811	sLog.outDebug("Sending SMSG_SPELL_START id=%u",m_spellInfo->Id);
2812
2813	uint16 castFlags = CAST_FLAG_UNKNOWN1;
2814	if(IsRangedSpell())
2815	castFlags \|= CAST_FLAG_AMMO;
2816
2817	Unit * target;
2818	if(!m_targets.getUnitTarget())
2819	target = m_caster;
2820	else
2821	target = m_targets.getUnitTarget();
2822
2823	WorldPacket data(SMSG_SPELL_START, (8+8+4+4+2));
2824	if(m_CastItem)
2825	data.append(m_CastItem->GetPackGUID());
2826	else
2827	data.append(m_caster->GetPackGUID());
2828
2829	data.append(m_caster->GetPackGUID());
2830	data << uint32(m_spellInfo->Id);
2831	data << uint8(m_cast_count); // single cast or multi 2.3 (0/1)
2832	data << uint16(castFlags);
2833	data << uint32(m_timer);
2834
2835	m_targets.write(&data);
2836
2837	if( castFlags & CAST_FLAG_AMMO )
2838	WriteAmmoToPacket(&data);
2839
2840	m_caster->SendMessageToSet(&data, true);
2841	}
2842
2843	void Spell::SendSpellGo()
2844	{
2845	// not send invisible spell casting
2846	if(!IsNeedSendToClient())
2847	return;
2848
2849	sLog.outDebug("Sending SMSG_SPELL_GO id=%u",m_spellInfo->Id);
2850
2851	Unit * target;
2852	if(!m_targets.getUnitTarget())
2853	target = m_caster;
2854	else
2855	target = m_targets.getUnitTarget();
2856
2857	uint16 castFlags = CAST_FLAG_UNKNOWN3;
2858	if(IsRangedSpell())
2859	castFlags \|= CAST_FLAG_AMMO;
2860
2861	WorldPacket data(SMSG_SPELL_GO, 50); // guess size
2862	if(m_CastItem)
2863	data.append(m_CastItem->GetPackGUID());
2864	else
2865	data.append(m_caster->GetPackGUID());
2866
2867	data.append(m_caster->GetPackGUID());
2868	data << uint32(m_spellInfo->Id);
2869	data << uint16(castFlags);
2870	data << uint32(getMSTime()); // timestamp
2871
2872	WriteSpellGoTargets(&data);
2873
2874	m_targets.write(&data);
2875
2876	if( castFlags & CAST_FLAG_AMMO )
2877	WriteAmmoToPacket(&data);
2878
2879	m_caster->SendMessageToSet(&data, true);
2880	}
2881
2882	void Spell::WriteAmmoToPacket( WorldPacket * data )
2883	{
2884	uint32 ammoInventoryType = 0;
2885	uint32 ammoDisplayID = 0;
2886
2887	if (m_caster->GetTypeId() == TYPEID_PLAYER)
2888	{
2889	Item pItem = ((Player)m_caster)->GetWeaponForAttack( RANGED_ATTACK );
2890	if(pItem)
2891	{
2892	ammoInventoryType = pItem->GetProto()->InventoryType;
2893	if( ammoInventoryType == INVTYPE_THROWN )
2894	ammoDisplayID = pItem->GetProto()->DisplayInfoID;
2895	else
2896	{
2897	uint32 ammoID = ((Player*)m_caster)->GetUInt32Value(PLAYER_AMMO_ID);
2898	if(ammoID)
2899	{
2900	ItemPrototype const *pProto = objmgr.GetItemPrototype( ammoID );
2901	if(pProto)
2902	{
2903	ammoDisplayID = pProto->DisplayInfoID;
2904	ammoInventoryType = pProto->InventoryType;
2905	}
2906	}
2907	else if(m_caster->GetDummyAura(46699)) // Requires No Ammo
2908	{
2909	ammoDisplayID = 5996; // normal arrow
2910	ammoInventoryType = INVTYPE_AMMO;
2911	}
2912	}
2913	}
2914	}
2915	// TODO: implement selection ammo data based at ranged weapon stored in equipmodel/equipinfo/equipslot fields
2916
2917	*data << uint32(ammoDisplayID);
2918	*data << uint32(ammoInventoryType);
2919	}
2920
2921	void Spell::WriteSpellGoTargets( WorldPacket * data )
2922	{
2923	*data << (uint8)m_countOfHit;
2924	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2925	if ((*ihit).missCondition == SPELL_MISS_NONE) // Add only hits
2926	*data << uint64(ihit->targetGUID);
2927
2928	for(std::list<GOTargetInfo>::iterator ighit= m_UniqueGOTargetInfo.begin();ighit != m_UniqueGOTargetInfo.end();++ighit)
2929	*data << uint64(ighit->targetGUID); // Always hits
2930
2931	*data << (uint8)m_countOfMiss;
2932	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2933	{
2934	if( ihit->missCondition != SPELL_MISS_NONE ) // Add only miss
2935	{
2936	*data << uint64(ihit->targetGUID);
2937	*data << uint8(ihit->missCondition);
2938	if( ihit->missCondition == SPELL_MISS_REFLECT )
2939	*data << uint8(ihit->reflectResult);
2940	}
2941	}
2942	}
2943
2944	void Spell::SendLogExecute()
2945	{
2946	Unit *target = m_targets.getUnitTarget() ? m_targets.getUnitTarget() : m_caster;
2947
2948	WorldPacket data(SMSG_SPELLLOGEXECUTE, (8+4+4+4+4+8));
2949
2950	if(m_caster->GetTypeId() == TYPEID_PLAYER)
2951	data.append(m_caster->GetPackGUID());
2952	else
2953	data.append(target->GetPackGUID());
2954
2955	data << uint32(m_spellInfo->Id);
2956	uint32 count1 = 1;
2957	data << uint32(count1); // count1 (effect count?)
2958	for(uint32 i = 0; i < count1; ++i)
2959	{
2960	data << uint32(m_spellInfo->Effect[0]); // spell effect?
2961	uint32 count2 = 1;
2962	data << uint32(count2); // count2 (target count?)
2963	for(uint32 j = 0; j < count2; ++j)
2964	{
2965	switch(m_spellInfo->Effect[0])
2966	{
2967	case SPELL_EFFECT_POWER_DRAIN:
2968	if(Unit *unit = m_targets.getUnitTarget())
2969	data.append(unit->GetPackGUID());
2970	else
2971	data << uint8(0);
2972	data << uint32(0);
2973	data << uint32(0);
2974	data << float(0);
2975	break;
2976	case SPELL_EFFECT_ADD_EXTRA_ATTACKS:
2977	if(Unit *unit = m_targets.getUnitTarget())
2978	data.append(unit->GetPackGUID());
2979	else
2980	data << uint8(0);
2981	data << uint32(0); // count?
2982	break;
2983	case SPELL_EFFECT_INTERRUPT_CAST:
2984	if(Unit *unit = m_targets.getUnitTarget())
2985	data.append(unit->GetPackGUID());
2986	else
2987	data << uint8(0);
2988	data << uint32(0); // spellid
2989	break;
2990	case SPELL_EFFECT_DURABILITY_DAMAGE:
2991	if(Unit *unit = m_targets.getUnitTarget())
2992	data.append(unit->GetPackGUID());
2993	else
2994	data << uint8(0);
2995	data << uint32(0);
2996	data << uint32(0);
2997	break;
2998	case SPELL_EFFECT_OPEN_LOCK:
2999	case SPELL_EFFECT_OPEN_LOCK_ITEM:
3000	if(Item *item = m_targets.getItemTarget())
3001	data.append(item->GetPackGUID());
3002	else
3003	data << uint8(0);
3004	break;
3005	case SPELL_EFFECT_CREATE_ITEM:
3006	data << uint32(m_spellInfo->EffectItemType[0]);
3007	break;
3008	case SPELL_EFFECT_SUMMON:
3009	case SPELL_EFFECT_SUMMON_WILD:
3010	case SPELL_EFFECT_SUMMON_GUARDIAN:
3011	case SPELL_EFFECT_TRANS_DOOR:
3012	case SPELL_EFFECT_SUMMON_PET:
3013	case SPELL_EFFECT_SUMMON_POSSESSED:
3014	case SPELL_EFFECT_SUMMON_TOTEM:
3015	case SPELL_EFFECT_SUMMON_OBJECT_WILD:
3016	case SPELL_EFFECT_CREATE_HOUSE:
3017	case SPELL_EFFECT_DUEL:
3018	case SPELL_EFFECT_SUMMON_TOTEM_SLOT1:
3019	case SPELL_EFFECT_SUMMON_TOTEM_SLOT2:
3020	case SPELL_EFFECT_SUMMON_TOTEM_SLOT3:
3021	case SPELL_EFFECT_SUMMON_TOTEM_SLOT4:
3022	case SPELL_EFFECT_SUMMON_PHANTASM:
3023	case SPELL_EFFECT_SUMMON_CRITTER:
3024	case SPELL_EFFECT_SUMMON_OBJECT_SLOT1:
3025	case SPELL_EFFECT_SUMMON_OBJECT_SLOT2:
3026	case SPELL_EFFECT_SUMMON_OBJECT_SLOT3:
3027	case SPELL_EFFECT_SUMMON_OBJECT_SLOT4:
3028	case SPELL_EFFECT_SUMMON_DEMON:
3029	case SPELL_EFFECT_150:
3030	if(Unit *unit = m_targets.getUnitTarget())
3031	data.append(unit->GetPackGUID());
3032	else if(m_targets.getItemTargetGUID())
3033	data.appendPackGUID(m_targets.getItemTargetGUID());
3034	else if(GameObject *go = m_targets.getGOTarget())
3035	data.append(go->GetPackGUID());
3036	else
3037	data << uint8(0); // guid
3038	break;
3039	case SPELL_EFFECT_FEED_PET:
3040	data << uint32(m_targets.getItemTargetEntry());
3041	break;
3042	case SPELL_EFFECT_DISMISS_PET:
3043	if(Unit *unit = m_targets.getUnitTarget())
3044	data.append(unit->GetPackGUID());
3045	else
3046	data << uint8(0);
3047	break;
3048	default:
3049	return;
3050	}
3051	}
3052	}
3053
3054	m_caster->SendMessageToSet(&data, true);
3055	}
3056
3057	void Spell::SendInterrupted(uint8 result)
3058	{
3059	WorldPacket data(SMSG_SPELL_FAILURE, (8+4+1));
3060	data.append(m_caster->GetPackGUID());
3061	data << m_spellInfo->Id;
3062	data << result;
3063	m_caster->SendMessageToSet(&data, true);
3064
3065	data.Initialize(SMSG_SPELL_FAILED_OTHER, (8+4));
3066	data.append(m_caster->GetPackGUID());
3067	data << m_spellInfo->Id;
3068	m_caster->SendMessageToSet(&data, true);
3069	}
3070
3071	void Spell::SendChannelUpdate(uint32 time)
3072	{
3073	if(time == 0)
3074	{
3075	m_caster->SetUInt64Value(UNIT_FIELD_CHANNEL_OBJECT,0);
3076	m_caster->SetUInt32Value(UNIT_CHANNEL_SPELL,0);
3077	}
3078
3079	if (m_caster->GetTypeId() != TYPEID_PLAYER)
3080	return;
3081
3082	WorldPacket data( MSG_CHANNEL_UPDATE, 8+4 );
3083	data.append(m_caster->GetPackGUID());
3084	data << time;
3085
3086	((Player*)m_caster)->GetSession()->SendPacket( &data );
3087	}
3088
3089	void Spell::SendChannelStart(uint32 duration)
3090	{
3091	WorldObject* target = NULL;
3092
3093	// select first not resisted target from target list for _0_ effect
3094	if(!m_UniqueTargetInfo.empty())
3095	{
3096	for(std::list<TargetInfo>::iterator itr= m_UniqueTargetInfo.begin();itr != m_UniqueTargetInfo.end();++itr)
3097	{
3098	if( (itr->effectMask & (1<<0)) && itr->reflectResult==SPELL_MISS_NONE && itr->targetGUID != m_caster->GetGUID())
3099	{
3100	target = ObjectAccessor::GetUnit(*m_caster, itr->targetGUID);
3101	break;
3102	}
3103	}
3104	}
3105	else if(!m_UniqueGOTargetInfo.empty())
3106	{
3107	for(std::list<GOTargetInfo>::iterator itr= m_UniqueGOTargetInfo.begin();itr != m_UniqueGOTargetInfo.end();++itr)
3108	{
3109	if(itr->effectMask & (1<<0) )
3110	{
3111	target = ObjectAccessor::GetGameObject(*m_caster, itr->targetGUID);
3112	break;
3113	}
3114	}
3115	}
3116
3117	if (m_caster->GetTypeId() == TYPEID_PLAYER)
3118	{
3119	WorldPacket data( MSG_CHANNEL_START, (8+4+4) );
3120	data.append(m_caster->GetPackGUID());
3121	data << m_spellInfo->Id;
3122	data << duration;
3123
3124	((Player*)m_caster)->GetSession()->SendPacket( &data );
3125	}
3126
3127	m_timer = duration;
3128	if(target)
3129	m_caster->SetUInt64Value(UNIT_FIELD_CHANNEL_OBJECT, target->GetGUID());
3130	m_caster->SetUInt32Value(UNIT_CHANNEL_SPELL, m_spellInfo->Id);
3131	}
3132
3133	void Spell::SendResurrectRequest(Player* target)
3134	{
3135	WorldPacket data(SMSG_RESURRECT_REQUEST, (8+4+2+4));
3136	data << m_caster->GetGUID();
3137	data << uint32(1) << uint16(0) << uint32(1);
3138
3139	target->GetSession()->SendPacket(&data);
3140	}
3141
3142	void Spell::SendPlaySpellVisual(uint32 SpellID)
3143	{
3144	if (m_caster->GetTypeId() != TYPEID_PLAYER)
3145	return;
3146
3147	WorldPacket data(SMSG_PLAY_SPELL_VISUAL, 12);
3148	data << m_caster->GetGUID();
3149	data << SpellID;
3150	((Player*)m_caster)->GetSession()->SendPacket(&data);
3151	}
3152
3153	void Spell::TakeCastItem()
3154	{
3155	if(!m_CastItem \|\| m_caster->GetTypeId() != TYPEID_PLAYER)
3156	return;
3157
3158	// not remove cast item at triggered spell (equipping, weapon damage, etc)
3159	if(m_IsTriggeredSpell)
3160	return;
3161
3162	ItemPrototype const *proto = m_CastItem->GetProto();
3163
3164	if(!proto)
3165	{
3166	// This code is to avoid a crash
3167	// I'm not sure, if this is really an error, but I guess every item needs a prototype
3168	sLog.outError("Cast item has no item prototype highId=%d, lowId=%d",m_CastItem->GetGUIDHigh(), m_CastItem->GetGUIDLow());
3169	return;
3170	}
3171
3172	bool expendable = false;
3173	bool withoutCharges = false;
3174
3175	for (int i = 0; i<5; i++)
3176	{
3177	if (proto->Spells[i].SpellId)
3178	{
3179	// item has limited charges
3180	if (proto->Spells[i].SpellCharges)
3181	{
3182	if (proto->Spells[i].SpellCharges < 0)
3183	expendable = true;
3184
3185	int32 charges = m_CastItem->GetSpellCharges(i);
3186
3187	// item has charges left
3188	if (charges)
3189	{
3190	(charges > 0) ? --charges : ++charges; // abs(charges) less at 1 after use
3191	if (proto->Stackable < 2)
3192	m_CastItem->SetSpellCharges(i, charges);
3193	m_CastItem->SetState(ITEM_CHANGED, (Player*)m_caster);
3194	}
3195
3196	// all charges used
3197	withoutCharges = (charges == 0);
3198	}
3199	}
3200	}
3201
3202	if (expendable && withoutCharges)
3203	{
3204	uint32 count = 1;
3205	((Player*)m_caster)->DestroyItemCount(m_CastItem, count, true);
3206
3207	// prevent crash at access to deleted m_targets.getItemTarget
3208	if(m_CastItem==m_targets.getItemTarget())
3209	m_targets.setItemTarget(NULL);
3210
3211	m_CastItem = NULL;
3212	}
3213	}
3214
3215	void Spell::TakePower()
3216	{
3217	if(m_CastItem \|\| m_triggeredByAuraSpell)
3218	return;
3219
3220	// health as power used
3221	if(m_spellInfo->powerType == POWER_HEALTH)
3222	{
3223	m_caster->ModifyHealth( -(int32)m_powerCost );
3224	return;
3225	}
3226
3227	if(m_spellInfo->powerType >= MAX_POWERS)
3228	{
3229	sLog.outError("Spell::TakePower: Unknown power type '%d'", m_spellInfo->powerType);
3230	return;
3231	}
3232
3233	Powers powerType = Powers(m_spellInfo->powerType);
3234
3235	m_caster->ModifyPower(powerType, -(int32)m_powerCost);
3236
3237	// Set the five second timer
3238	if (powerType == POWER_MANA && m_powerCost > 0)
3239	m_caster->SetLastManaUse(getMSTime());
3240	}
3241
3242	void Spell::TakeReagents()
3243	{
3244	if(m_IsTriggeredSpell) // reagents used in triggered spell removed by original spell or don't must be removed.
3245	return;
3246
3247	if (m_caster->GetTypeId() != TYPEID_PLAYER)
3248	return;
3249
3250	if (m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_NO_REAGENT_WHILE_PREP &&
3251	m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREPARATION))
3252	return;
3253
3254	Player* p_caster = (Player*)m_caster;
3255
3256	for(uint32 x=0;x<8;x++)
3257	{
3258	if(m_spellInfo->Reagent[x] <= 0)
3259	continue;
3260
3261	uint32 itemid = m_spellInfo->Reagent[x];
3262	uint32 itemcount = m_spellInfo->ReagentCount[x];
3263
3264	// if CastItem is also spell reagent
3265	if (m_CastItem)
3266	{
3267	ItemPrototype const *proto = m_CastItem->GetProto();
3268	if( proto && proto->ItemId == itemid )
3269	{
3270	for(int s=0;s<5;s++)
3271	{
3272	// CastItem will be used up and does not count as reagent
3273	int32 charges = m_CastItem->GetSpellCharges(s);
3274	if (proto->Spells[s].SpellCharges < 0 && abs(charges) < 2)
3275	{
3276	++itemcount;
3277	break;
3278	}
3279	}
3280
3281	m_CastItem = NULL;
3282	}
3283	}
3284
3285	// if getItemTarget is also spell reagent
3286	if (m_targets.getItemTargetEntry()==itemid)
3287	m_targets.setItemTarget(NULL);
3288
3289	p_caster->DestroyItemCount(itemid, itemcount, true);
3290	}
3291	}
3292
3293	void Spell::HandleThreatSpells(uint32 spellId)
3294	{
3295	if(!m_targets.getUnitTarget() \|\| !spellId)
3296	return;
3297
3298	if(!m_targets.getUnitTarget()->CanHaveThreatList())
3299	return;
3300
3301	SpellThreatEntry const *threatSpell = sSpellThreatStore.LookupEntry<SpellThreatEntry>(spellId);
3302	if(!threatSpell)
3303	return;
3304
3305	m_targets.getUnitTarget()->AddThreat(m_caster, float(threatSpell->threat));
3306
3307	DEBUG_LOG("Spell %u, rank %u, added an additional %i threat", spellId, spellmgr.GetSpellRank(spellId), threatSpell->threat);
3308	}
3309
3310	void Spell::HandleEffects(Unit pUnitTarget,Item pItemTarget,GameObject *pGOTarget,uint32 i, float DamageMultiplier)
3311	{
3312	unitTarget = pUnitTarget;
3313	itemTarget = pItemTarget;
3314	gameObjTarget = pGOTarget;
3315
3316	uint8 eff = m_spellInfo->Effect[i];
3317	uint32 mechanic = m_spellInfo->EffectMechanic[i];
3318
3319	damage = int32(CalculateDamage((uint8)i,unitTarget)*DamageMultiplier);
3320
3321	sLog.outDebug( "Spell: Effect : %u", eff);
3322
3323	//Simply return. Do not display "immune" in red text on client
3324	if(unitTarget && unitTarget->IsImmunedToSpellEffect(eff, mechanic))
3325	return;
3326
3327	if(eff<TOTAL_SPELL_EFFECTS)
3328	{
3329	//sLog.outDebug( "WORLD: Spell FX %d < TOTAL_SPELL_EFFECTS ", eff);
3330	(this.SpellEffects[eff])(i);
3331	}
3332	/*
3333	else
3334	{
3335	sLog.outDebug( "WORLD: Spell FX %d > TOTAL_SPELL_EFFECTS ", eff);
3336	if (m_CastItem)
3337	EffectEnchantItemTmp(i);
3338	else
3339	{
3340	sLog.outError("SPELL: unknown effect %u spell id %u\n",
3341	eff, m_spellInfo->Id);
3342	}
3343	}
3344	*/
3345	}
3346
3347	void Spell::TriggerSpell()
3348	{
3349	for(TriggerSpells::iterator si=m_TriggerSpells.begin(); si!=m_TriggerSpells.end(); ++si)
3350	{
3351	Spell* spell = new Spell(m_caster, (*si), true, m_originalCasterGUID, m_selfContainer);
3352	spell->prepare(&m_targets); // use original spell original targets
3353	}
3354	}
3355
3356	uint8 Spell::CanCast(bool strict)
3357	{
3358	// check cooldowns to prevent cheating
3359	if(m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->HasSpellCooldown(m_spellInfo->Id))
3360	{
3361	if(m_triggeredByAuraSpell)
3362	return SPELL_FAILED_DONT_REPORT;
3363	else
3364	return SPELL_FAILED_NOT_READY;
3365	}
3366
3367	// only allow triggered spells if at an ended battleground
3368	if( !m_IsTriggeredSpell && m_caster->GetTypeId() == TYPEID_PLAYER)
3369	if(BattleGround * bg = ((Player*)m_caster)->GetBattleGround())
3370	if(bg->GetStatus() == STATUS_WAIT_LEAVE)
3371	return SPELL_FAILED_DONT_REPORT;
3372
3373	// only check at first call, Stealth auras are already removed at second call
3374	// for now, ignore triggered spells
3375	if( strict && !m_IsTriggeredSpell)
3376	{
3377	// Cannot be used in this stance/form
3378	if(uint8 shapeError = GetErrorAtShapeshiftedCast(m_spellInfo, m_caster->m_form))
3379	return shapeError;
3380
3381	if ((m_spellInfo->Attributes & SPELL_ATTR_ONLY_STEALTHED) && !(m_caster->HasStealthAura()))
3382	return SPELL_FAILED_ONLY_STEALTHED;
3383	}
3384
3385	// caster state requirements
3386	if(m_spellInfo->CasterAuraState && !m_caster->HasAuraState(AuraState(m_spellInfo->CasterAuraState)))
3387	return SPELL_FAILED_CASTER_AURASTATE;
3388	if(m_spellInfo->CasterAuraStateNot && m_caster->HasAuraState(AuraState(m_spellInfo->CasterAuraStateNot)))
3389	return SPELL_FAILED_CASTER_AURASTATE;
3390
3391	// cancel autorepeat spells if cast start when moving
3392	// (not wand currently autorepeat cast delayed to moving stop anyway in spell update code)
3393	if( m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->isMoving() )
3394	{
3395	// skip stuck spell to allow use it in falling case and apply spell limitations at movement
3396	if( (!m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING) \|\| m_spellInfo->Effect[0] != SPELL_EFFECT_STUCK) &&
3397	(IsAutoRepeat() \|\| (m_spellInfo->AuraInterruptFlags & AURA_INTERRUPT_FLAG_NOT_SEATED) != 0) )
3398	return SPELL_FAILED_MOVING;
3399	}
3400
3401	Unit *target = m_targets.getUnitTarget();
3402
3403	if(target)
3404	{
3405	// target state requirements (not allowed state), apply to self also
3406	if(m_spellInfo->TargetAuraStateNot && target->HasAuraState(AuraState(m_spellInfo->TargetAuraStateNot)))
3407	return SPELL_FAILED_TARGET_AURASTATE;
3408
3409	if(target != m_caster)
3410	{
3411	// target state requirements (apply to non-self only), to allow cast affects to self like Dirty Deeds
3412	if(m_spellInfo->TargetAuraState && !target->HasAuraState(AuraState(m_spellInfo->TargetAuraState)))
3413	return SPELL_FAILED_TARGET_AURASTATE;
3414
3415	// Not allow casting on flying player
3416	if (target->isInFlight())
3417	return SPELL_FAILED_BAD_TARGETS;
3418
3419	if(!m_IsTriggeredSpell && VMAP::VMapFactory::checkSpellForLoS(m_spellInfo->Id) && !m_caster->IsWithinLOSInMap(target))
3420	return SPELL_FAILED_LINE_OF_SIGHT;
3421
3422	// auto selection spell rank implemented in WorldSession::HandleCastSpellOpcode
3423	// this case can be triggered if rank not found (too low-level target for first rank)
3424	if(m_caster->GetTypeId() == TYPEID_PLAYER && !IsPassiveSpell(m_spellInfo->Id) && !m_CastItem)
3425	{
3426	for(int i=0;i<3;i++)
3427	{
3428	if(IsPositiveEffect(m_spellInfo->Id, i) && m_spellInfo->Effect[i] == SPELL_EFFECT_APPLY_AURA)
3429	if(target->getLevel() + 10 < m_spellInfo->spellLevel)
3430	return SPELL_FAILED_LOWLEVEL;
3431	}
3432	}
3433	}
3434
3435	// check pet presents
3436	for(int j=0;j<3;j++)
3437	{
3438	if(m_spellInfo->EffectImplicitTargetA[j] == TARGET_PET)
3439	{
3440	target = m_caster->GetPet();
3441	if(!target)
3442	{
3443	if(m_triggeredByAuraSpell) // not report pet not existence for triggered spells
3444	return SPELL_FAILED_DONT_REPORT;
3445	else
3446	return SPELL_FAILED_NO_PET;
3447	}
3448	break;
3449	}
3450	}
3451
3452	//check creature type
3453	//ignore self casts (including area casts when caster selected as target)
3454	if(target != m_caster)
3455	{
3456	if(!CheckTargetCreatureType(target))
3457	{
3458	if(target->GetTypeId()==TYPEID_PLAYER)
3459	return SPELL_FAILED_TARGET_IS_PLAYER;
3460	else
3461	return SPELL_FAILED_BAD_TARGETS;
3462	}
3463	}
3464
3465	// TODO: this check can be applied and for player to prevent cheating when IsPositiveSpell will return always correct result.
3466	// check target for pet/charmed casts (not self targeted), self targeted cast used for area effects and etc
3467	if(m_caster != target && m_caster->GetTypeId()==TYPEID_UNIT && m_caster->GetCharmerOrOwnerGUID())
3468	{
3469	// check correctness positive/negative cast target (pet cast real check and cheating check)
3470	if(IsPositiveSpell(m_spellInfo->Id))
3471	{
3472	if(m_caster->IsHostileTo(target))
3473	return SPELL_FAILED_BAD_TARGETS;
3474	}
3475	else
3476	{
3477	if(m_caster->IsFriendlyTo(target))
3478	return SPELL_FAILED_BAD_TARGETS;
3479	}
3480	}
3481
3482	if(IsPositiveSpell(m_spellInfo->Id))
3483	{
3484	if(target->IsImmunedToSpell(m_spellInfo,false))
3485	return SPELL_FAILED_TARGET_AURASTATE;
3486	}
3487
3488	//Must be behind the target.
3489	if( m_spellInfo->AttributesEx2 == 0x100000 && (m_spellInfo->AttributesEx & 0x200) == 0x200 && target->HasInArc(M_PI, m_caster) )
3490	{
3491	SendInterrupted(2);
3492	return SPELL_FAILED_NOT_BEHIND;
3493	}
3494
3495	//Target must be facing you.
3496	if((m_spellInfo->Attributes == 0x150010) && !target->HasInArc(M_PI, m_caster) )
3497	{
3498	SendInterrupted(2);
3499	return SPELL_FAILED_NOT_INFRONT;
3500	}
3501
3502	// check if target is in combat
3503	if (target != m_caster && (m_spellInfo->AttributesEx & SPELL_ATTR_EX_NOT_IN_COMBAT_TARGET) && target->isInCombat())
3504	{
3505	return SPELL_FAILED_TARGET_AFFECTING_COMBAT;
3506	}
3507	}
3508	// Spell casted only on battleground
3509	if((m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_BATTLEGROUND) && m_caster->GetTypeId()==TYPEID_PLAYER)
3510	if(!((Player*)m_caster)->InBattleGround())
3511	return SPELL_FAILED_ONLY_BATTLEGROUNDS;
3512
3513	// do not allow spells to be cast in arenas
3514	// - with greater than 15 min CD without SPELL_ATTR_EX4_USABLE_IN_ARENA flag
3515	// - with SPELL_ATTR_EX4_NOT_USABLE_IN_ARENA flag
3516	if( (m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_NOT_USABLE_IN_ARENA) \|\|
3517	GetSpellRecoveryTime(m_spellInfo) > 15 * MINUTE * 1000 && !(m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_USABLE_IN_ARENA) )
3518	if(MapEntry const* mapEntry = sMapStore.LookupEntry(m_caster->GetMapId()))
3519	if(mapEntry->IsBattleArena())
3520	return SPELL_FAILED_NOT_IN_ARENA;
3521
3522	// zone check
3523	if(!IsSpellAllowedInLocation(m_spellInfo,m_caster->GetMapId(),m_caster->GetZoneId(),m_caster->GetAreaId()))
3524	return SPELL_FAILED_REQUIRES_AREA;
3525
3526	// not let players cast spells at mount (and let do it to creatures)
3527	if( m_caster->IsMounted() && m_caster->GetTypeId()==TYPEID_PLAYER && !m_IsTriggeredSpell &&
3528	!IsPassiveSpell(m_spellInfo->Id) && !(m_spellInfo->Attributes & SPELL_ATTR_CASTABLE_WHILE_MOUNTED) )
3529	{
3530	if(m_caster->isInFlight())
3531	return SPELL_FAILED_NOT_FLYING;
3532	else
3533	return SPELL_FAILED_NOT_MOUNTED;
3534	}
3535
3536	// always (except passive spells) check items (focus object can be required for any type casts)
3537	if(!IsPassiveSpell(m_spellInfo->Id))
3538	if(uint8 castResult = CheckItems())
3539	return castResult;
3540
3541	if(uint8 castResult = CheckRange(strict))
3542	return castResult;
3543
3544	{
3545	if(uint8 castResult = CheckPower())
3546	return castResult;
3547	}
3548
3549	if(!m_triggeredByAuraSpell) // triggered spell not affected by stun/etc
3550	if(uint8 castResult = CheckCasterAuras())
3551	return castResult;
3552
3553	for (int i = 0; i < 3; i++)
3554	{
3555	// for effects of spells that have only one target
3556	switch(m_spellInfo->Effect[i])
3557	{
3558	case SPELL_EFFECT_DUMMY:
3559	{
3560	if(m_spellInfo->SpellIconID == 1648) // Execute
3561	{
3562	if(!m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetHealth() > m_targets.getUnitTarget()->GetMaxHealth()*0.2)
3563	return SPELL_FAILED_BAD_TARGETS;
3564	}
3565	else if (m_spellInfo->Id == 51582) // Rocket Boots Engaged
3566	{
3567	if(m_caster->IsInWater())
3568	return SPELL_FAILED_ONLY_ABOVEWATER;
3569	}
3570	else if(m_spellInfo->SpellIconID==156) // Holy Shock
3571	{
3572	// spell different for friends and enemies
3573	// hart version required facing
3574	if(m_targets.getUnitTarget() && !m_caster->IsFriendlyTo(m_targets.getUnitTarget()) && !m_caster->HasInArc( M_PI, target ))
3575	return SPELL_FAILED_UNIT_NOT_INFRONT;
3576	}
3577	break;
3578	}
3579	case SPELL_EFFECT_SCHOOL_DAMAGE:
3580	{
3581	// Hammer of Wrath
3582	if(m_spellInfo->SpellVisual == 7250)
3583	{
3584	if (!m_targets.getUnitTarget())
3585	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3586
3587	if(m_targets.getUnitTarget()->GetHealth() > m_targets.getUnitTarget()->GetMaxHealth()*0.2)
3588	return SPELL_FAILED_BAD_TARGETS;
3589	}
3590	break;
3591	}
3592	case SPELL_EFFECT_LEARN_SPELL:
3593	{
3594	if(m_spellInfo->EffectImplicitTargetA[i] != TARGET_PET)
3595	break;
3596
3597	Pet* pet = m_caster->GetPet();
3598
3599	if(!pet)
3600	return SPELL_FAILED_NO_PET;
3601
3602	SpellEntry const *learn_spellproto = sSpellStore.LookupEntry(m_spellInfo->EffectTriggerSpell[i]);
3603
3604	if(!learn_spellproto)
3605	return SPELL_FAILED_NOT_KNOWN;
3606
3607	if(!pet->CanTakeMoreActiveSpells(learn_spellproto->Id))
3608	return SPELL_FAILED_TOO_MANY_SKILLS;
3609
3610	if(m_spellInfo->spellLevel > pet->getLevel())
3611	return SPELL_FAILED_LOWLEVEL;
3612
3613	if(!pet->HasTPForSpell(learn_spellproto->Id))
3614	return SPELL_FAILED_TRAINING_POINTS;
3615
3616	break;
3617	}
3618	case SPELL_EFFECT_LEARN_PET_SPELL:
3619	{
3620	Pet* pet = m_caster->GetPet();
3621
3622	if(!pet)
3623	return SPELL_FAILED_NO_PET;
3624
3625	SpellEntry const *learn_spellproto = sSpellStore.LookupEntry(m_spellInfo->EffectTriggerSpell[i]);
3626
3627	if(!learn_spellproto)
3628	return SPELL_FAILED_NOT_KNOWN;
3629
3630	if(!pet->CanTakeMoreActiveSpells(learn_spellproto->Id))
3631	return SPELL_FAILED_TOO_MANY_SKILLS;
3632
3633	if(m_spellInfo->spellLevel > pet->getLevel())
3634	return SPELL_FAILED_LOWLEVEL;
3635
3636	if(!pet->HasTPForSpell(learn_spellproto->Id))
3637	return SPELL_FAILED_TRAINING_POINTS;
3638
3639	break;
3640	}
3641	case SPELL_EFFECT_FEED_PET:
3642	{
3643	if (m_caster->GetTypeId() != TYPEID_PLAYER \|\| !m_targets.getItemTarget() )
3644	return SPELL_FAILED_BAD_TARGETS;
3645
3646	Pet* pet = m_caster->GetPet();
3647
3648	if(!pet)
3649	return SPELL_FAILED_NO_PET;
3650
3651	if(!pet->HaveInDiet(m_targets.getItemTarget()->GetProto()))
3652	return SPELL_FAILED_WRONG_PET_FOOD;
3653
3654	if(!pet->GetCurrentFoodBenefitLevel(m_targets.getItemTarget()->GetProto()->ItemLevel))
3655	return SPELL_FAILED_FOOD_LOWLEVEL;
3656
3657	if(m_caster->isInCombat() \|\| pet->isInCombat())
3658	return SPELL_FAILED_AFFECTING_COMBAT;
3659
3660	break;
3661	}
3662	case SPELL_EFFECT_POWER_BURN:
3663	case SPELL_EFFECT_POWER_DRAIN:
3664	{
3665	// Can be area effect, Check only for players and not check if target - caster (spell can have multiply drain/burn effects)
3666	if(m_caster->GetTypeId() == TYPEID_PLAYER)
3667	if(Unit* target = m_targets.getUnitTarget())
3668	if(target!=m_caster && target->getPowerType()!=m_spellInfo->EffectMiscValue[i])
3669	return SPELL_FAILED_BAD_TARGETS;
3670	break;
3671	}
3672	case SPELL_EFFECT_CHARGE:
3673	{
3674	if (m_caster->hasUnitState(UNIT_STAT_ROOT))
3675	return SPELL_FAILED_ROOTED;
3676
3677	break;
3678	}
3679	case SPELL_EFFECT_SKINNING:
3680	{
3681	if (m_caster->GetTypeId() != TYPEID_PLAYER \|\| !m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetTypeId() != TYPEID_UNIT)
3682	return SPELL_FAILED_BAD_TARGETS;
3683
3684	if( !(m_targets.getUnitTarget()->GetUInt32Value(UNIT_FIELD_FLAGS) & UNIT_FLAG_SKINNABLE) )
3685	return SPELL_FAILED_TARGET_UNSKINNABLE;
3686
3687	Creature* creature = (Creature*)m_targets.getUnitTarget();
3688	if ( creature->GetCreatureType() != CREATURE_TYPE_CRITTER && ( !creature->lootForBody \|\| !creature->loot.empty() ) )
3689	{
3690	return SPELL_FAILED_TARGET_NOT_LOOTED;
3691	}
3692
3693	uint32 skill = creature->GetCreatureInfo()->GetRequiredLootSkill();
3694
3695	int32 skillValue = ((Player*)m_caster)->GetSkillValue(skill);
3696	int32 TargetLevel = m_targets.getUnitTarget()->getLevel();
3697	int32 ReqValue = (skillValue < 100 ? (TargetLevel-10)10 : TargetLevel5);
3698	if (ReqValue > skillValue)
3699	return SPELL_FAILED_LOW_CASTLEVEL;
3700
3701	// chance for fail at orange skinning attempt
3702	if( (m_selfContainer && (*m_selfContainer) == this) &&
3703	skillValue < sWorld.GetConfigMaxSkillValue() &&
3704	(ReqValue < 0 ? 0 : ReqValue) > irand(skillValue-25, skillValue+37) )
3705	return SPELL_FAILED_TRY_AGAIN;
3706
3707	break;
3708	}
3709	case SPELL_EFFECT_OPEN_LOCK_ITEM:
3710	case SPELL_EFFECT_OPEN_LOCK:
3711	{
3712	if( m_spellInfo->EffectImplicitTargetA[i] != TARGET_GAMEOBJECT &&
3713	m_spellInfo->EffectImplicitTargetA[i] != TARGET_GAMEOBJECT_ITEM )
3714	break;
3715
3716	if( m_caster->GetTypeId() != TYPEID_PLAYER // only players can open locks, gather etc.
3717	// we need a go target in case of TARGET_GAMEOBJECT
3718	\|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_GAMEOBJECT && !m_targets.getGOTarget()
3719	// we need a go target, or an openable item target in case of TARGET_GAMEOBJECT_ITEM
3720	\|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_GAMEOBJECT_ITEM && !m_targets.getGOTarget() &&
3721	(!m_targets.getItemTarget() \|\| !m_targets.getItemTarget()->GetProto()->LockID \|\| m_targets.getItemTarget()->GetOwner() != m_caster ) )
3722	return SPELL_FAILED_BAD_TARGETS;
3723
3724	// In BattleGround players can use only flags and banners
3725	if( ((Player*)m_caster)->InBattleGround() &&
3726	!((Player*)m_caster)->isAllowUseBattleGroundObject() )
3727	return SPELL_FAILED_TRY_AGAIN;
3728
3729	// get the lock entry
3730	LockEntry const *lockInfo = NULL;
3731	if (GameObject* go=m_targets.getGOTarget())
3732	lockInfo = sLockStore.LookupEntry(go->GetLockId());
3733	else if(Item* itm=m_targets.getItemTarget())
3734	lockInfo = sLockStore.LookupEntry(itm->GetProto()->LockID);
3735
3736	// check lock compatibility
3737	if (lockInfo)
3738	{
3739	// check for lock - key pair (checked by client also, just prevent cheating
3740	bool ok_key = false;
3741	for(int it = 0; it < 5; ++it)
3742	{
3743	switch(lockInfo->keytype[it])
3744	{
3745	case LOCK_KEY_NONE:
3746	break;
3747	case LOCK_KEY_ITEM:
3748	{
3749	if(lockInfo->key[it])
3750	{
3751	if(m_CastItem && m_CastItem->GetEntry()==lockInfo->key[it])
3752	ok_key =true;
3753	break;
3754	}
3755	}
3756	case LOCK_KEY_SKILL:
3757	{
3758	if(uint32(m_spellInfo->EffectMiscValue[i])!=lockInfo->key[it])
3759	break;
3760
3761	switch(lockInfo->key[it])
3762	{
3763	case LOCKTYPE_HERBALISM:
3764	if(((Player*)m_caster)->HasSkill(SKILL_HERBALISM))
3765	ok_key =true;
3766	break;
3767	case LOCKTYPE_MINING:
3768	if(((Player*)m_caster)->HasSkill(SKILL_MINING))
3769	ok_key =true;
3770	break;
3771	default:
3772	ok_key =true;
3773	break;
3774	}
3775	}
3776	}
3777	if(ok_key)
3778	break;
3779	}
3780
3781	if(!ok_key)
3782	return SPELL_FAILED_BAD_TARGETS;
3783	}
3784
3785	// chance for fail at orange mining/herb/LockPicking gathering attempt
3786	if (!m_selfContainer \|\| ((*m_selfContainer) != this))
3787	break;
3788
3789	// get the skill value of the player
3790	int32 SkillValue = 0;
3791	bool canFailAtMax = true;
3792	if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_HERBALISM)
3793	{
3794	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_HERBALISM);
3795	canFailAtMax = false;
3796	}
3797	else if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_MINING)
3798	{
3799	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_MINING);
3800	canFailAtMax = false;
3801	}
3802	else if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_PICKLOCK)
3803	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_LOCKPICKING);
3804
3805	// castitem check: rogue using skeleton keys. the skill values should not be added in this case.
3806	if(m_CastItem)
3807	SkillValue = 0;
3808
3809	// add the damage modifier from the spell casted (cheat lock / skeleton key etc.) (use m_currentBasePoints, CalculateDamage returns wrong value)
3810	SkillValue += m_currentBasePoints[i]+1;
3811
3812	// get the required lock value
3813	int32 ReqValue=0;
3814	if (lockInfo)
3815	{
3816	// check for lock - key pair
3817	bool ok = false;
3818	for(int it = 0; it < 5; ++it)
3819	{
3820	if(lockInfo->keytype[it]==LOCK_KEY_ITEM && lockInfo->key[it] && m_CastItem && m_CastItem->GetEntry()==lockInfo->key[it])
3821	{
3822	// if so, we're good to go
3823	ok = true;
3824	break;
3825	}
3826	}
3827	if(ok)
3828	break;
3829
3830	if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_PICKLOCK)
3831	ReqValue = lockInfo->requiredlockskill;
3832	else
3833	ReqValue = lockInfo->requiredminingskill;
3834	}
3835
3836	// skill doesn't meet the required value
3837	if (ReqValue > SkillValue)
3838	return SPELL_FAILED_LOW_CASTLEVEL;
3839
3840	// chance for failure in orange gather / lockpick (gathering skill can't fail at maxskill)
3841	if((canFailAtMax \|\| SkillValue < sWorld.GetConfigMaxSkillValue()) && ReqValue > irand(SkillValue-25, SkillValue+37))
3842	return SPELL_FAILED_TRY_AGAIN;
3843
3844	break;
3845	}
3846	case SPELL_EFFECT_SUMMON_DEAD_PET:
3847	{
3848	Creature *pet = m_caster->GetPet();
3849	if(!pet)
3850	return SPELL_FAILED_NO_PET;
3851
3852	if(pet->isAlive())
3853	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3854
3855	break;
3856	}
3857	// This is generic summon effect now and don't make this check for summon types similar
3858	// SPELL_EFFECT_SUMMON_CRITTER, SPELL_EFFECT_SUMMON_WILD or SPELL_EFFECT_SUMMON_GUARDIAN.
3859	// These won't show up in m_caster->GetPetGUID()
3860	case SPELL_EFFECT_SUMMON:
3861	{
3862	switch(m_spellInfo->EffectMiscValueB[i])
3863	{
3864	case SUMMON_TYPE_POSESSED:
3865	case SUMMON_TYPE_POSESSED2:
3866	case SUMMON_TYPE_DEMON:
3867	case SUMMON_TYPE_SUMMON:
3868	{
3869	if(m_caster->GetPetGUID())
3870	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3871
3872	if(m_caster->GetCharmGUID())
3873	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3874	break;
3875	}
3876	}
3877	break;
3878	}
3879	// Don't make this check for SPELL_EFFECT_SUMMON_CRITTER, SPELL_EFFECT_SUMMON_WILD or SPELL_EFFECT_SUMMON_GUARDIAN.
3880	// These won't show up in m_caster->GetPetGUID()
3881	case SPELL_EFFECT_SUMMON_POSSESSED:
3882	case SPELL_EFFECT_SUMMON_PHANTASM:
3883	case SPELL_EFFECT_SUMMON_DEMON:
3884	{
3885	if(m_caster->GetPetGUID())
3886	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3887
3888	if(m_caster->GetCharmGUID())
3889	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3890
3891	break;
3892	}
3893	case SPELL_EFFECT_SUMMON_PET:
3894	{
3895	if(m_caster->GetPetGUID()) //let warlock do a replacement summon
3896	{
3897
3898	Pet* pet = ((Player*)m_caster)->GetPet();
3899
3900	if (m_caster->GetTypeId()==TYPEID_PLAYER && m_caster->getClass()==CLASS_WARLOCK)
3901	{
3902	if (strict) //starting cast, trigger pet stun (cast by pet so it doesn't attack player)
3903	pet->CastSpell(pet, 32752, true, NULL, NULL, pet->GetGUID());
3904	}
3905	else
3906	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3907	}
3908
3909	if(m_caster->GetCharmGUID())
3910	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3911
3912	break;
3913	}
3914	case SPELL_EFFECT_SUMMON_PLAYER:
3915	{
3916	if(m_caster->GetTypeId()!=TYPEID_PLAYER)
3917	return SPELL_FAILED_BAD_TARGETS;
3918	if(!((Player*)m_caster)->GetSelection())
3919	return SPELL_FAILED_BAD_TARGETS;
3920
3921	Player* target = objmgr.GetPlayer(((Player*)m_caster)->GetSelection());
3922	if( !target \|\| ((Player)m_caster)==target \|\| !target->IsInSameRaidWith((Player)m_caster) )
3923	return SPELL_FAILED_BAD_TARGETS;
3924
3925	// check if our map is dungeon
3926	if( sMapStore.LookupEntry(m_caster->GetMapId())->IsDungeon() )
3927	{
3928	InstanceTemplate const* instance = ObjectMgr::GetInstanceTemplate(m_caster->GetMapId());
3929	if(!instance)
3930	return SPELL_FAILED_TARGET_NOT_IN_INSTANCE;
3931	if ( instance->levelMin > target->getLevel() )
3932	return SPELL_FAILED_LOWLEVEL;
3933	if ( instance->levelMax && instance->levelMax < target->getLevel() )
3934	return SPELL_FAILED_HIGHLEVEL;
3935	}
3936	break;
3937	}
3938	case SPELL_EFFECT_LEAP:
3939	case SPELL_EFFECT_TELEPORT_UNITS_FACE_CASTER:
3940	{
3941	float dis = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
3942	float fx = m_caster->GetPositionX() + dis * cos(m_caster->GetOrientation());
3943	float fy = m_caster->GetPositionY() + dis * sin(m_caster->GetOrientation());
3944	// teleport a bit above terrain level to avoid falling below it
3945	float fz = MapManager::Instance().GetBaseMap(m_caster->GetMapId())->GetHeight(fx,fy,m_caster->GetPositionZ(),true);
3946	if(fz <= INVALID_HEIGHT) // note: this also will prevent use effect in instances without vmaps height enabled
3947	return SPELL_FAILED_TRY_AGAIN;
3948
3949	float caster_pos_z = m_caster->GetPositionZ();
3950	// Control the caster to not climb or drop when +-fz > 8
3951	if(!(fz<=caster_pos_z+8 && fz>=caster_pos_z-8))
3952	return SPELL_FAILED_TRY_AGAIN;
3953
3954	// not allow use this effect at battleground until battleground start
3955	if(m_caster->GetTypeId()==TYPEID_PLAYER)
3956	if(BattleGround const bg = ((Player)m_caster)->GetBattleGround())
3957	if(bg->GetStatus() != STATUS_IN_PROGRESS)
3958	return SPELL_FAILED_TRY_AGAIN;
3959	break;
3960	}
3961	case SPELL_EFFECT_STEAL_BENEFICIAL_BUFF:
3962	{
3963	if (m_targets.getUnitTarget()==m_caster)
3964	return SPELL_FAILED_BAD_TARGETS;
3965	break;
3966	}
3967	default:break;
3968	}
3969	}
3970
3971	for (int i = 0; i < 3; i++)
3972	{
3973	switch(m_spellInfo->EffectApplyAuraName[i])
3974	{
3975	case SPELL_AURA_DUMMY:
3976	{
3977	if(m_spellInfo->Id == 1515)
3978	{
3979	if (!m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetTypeId() == TYPEID_PLAYER)
3980	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3981
3982	if (m_targets.getUnitTarget()->getLevel() > m_caster->getLevel())
3983	return SPELL_FAILED_HIGHLEVEL;
3984
3985	// use SMSG_PET_TAME_FAILURE?
3986	if (!((Creature*)m_targets.getUnitTarget())->GetCreatureInfo()->isTameable ())
3987	return SPELL_FAILED_BAD_TARGETS;
3988
3989	if(m_caster->GetPetGUID())
3990	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3991
3992	if(m_caster->GetCharmGUID())
3993	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3994	}
3995	}break;
3996	case SPELL_AURA_MOD_POSSESS:
3997	case SPELL_AURA_MOD_CHARM:
3998	{
3999	if(m_caster->GetPetGUID())
4000	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
4001
4002	if(m_caster->GetCharmGUID())
4003	return SPELL_FAILED_ALREADY_HAVE_CHARM;
4004
4005	if(m_caster->GetCharmerGUID())
4006	return SPELL_FAILED_CHARMED;
4007
4008	if(!m_targets.getUnitTarget())
4009	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4010
4011	if(m_targets.getUnitTarget()->GetCharmerGUID())
4012	return SPELL_FAILED_CHARMED;
4013
4014	if(int32(m_targets.getUnitTarget()->getLevel()) > CalculateDamage(i,m_targets.getUnitTarget()))
4015	return SPELL_FAILED_HIGHLEVEL;
4016	};break;
4017	case SPELL_AURA_MOUNTED:
4018	{
4019	if (m_caster->IsInWater())
4020	return SPELL_FAILED_ONLY_ABOVEWATER;
4021
4022	if (m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->GetTransport())
4023	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
4024
4025	// Ignore map check if spell have AreaId. AreaId already checked and this prevent special mount spells
4026	if (m_caster->GetTypeId()==TYPEID_PLAYER && !sMapStore.LookupEntry(m_caster->GetMapId())->IsMountAllowed() && !m_IsTriggeredSpell && !m_spellInfo->AreaId)
4027	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
4028
4029	if (m_caster->GetAreaId()==35)
4030	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
4031
4032	ShapeshiftForm form = m_caster->m_form;
4033	if( form == FORM_CAT \|\| form == FORM_TREE \|\| form == FORM_TRAVEL \|\|
4034	form == FORM_AQUA \|\| form == FORM_BEAR \|\| form == FORM_DIREBEAR \|\|
4035	form == FORM_CREATUREBEAR \|\| form == FORM_GHOSTWOLF \|\| form == FORM_FLIGHT \|\|
4036	form == FORM_FLIGHT_EPIC \|\| form == FORM_MOONKIN )
4037	return SPELL_FAILED_NOT_SHAPESHIFT;
4038
4039	break;
4040	}
4041	case SPELL_AURA_RANGED_ATTACK_POWER_ATTACKER_BONUS:
4042	{
4043	if(!m_targets.getUnitTarget())
4044	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4045
4046	// can be casted at non-friendly unit or own pet/charm
4047	if(m_caster->IsFriendlyTo(m_targets.getUnitTarget()))
4048	return SPELL_FAILED_TARGET_FRIENDLY;
4049	};break;
4050	case SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED:
4051	case SPELL_AURA_FLY:
4052	{
4053	// not allow cast fly spells at old maps by players (all spells is self target)
4054	if(m_caster->GetTypeId()==TYPEID_PLAYER)
4055	{
4056	if( !((Player*)m_caster)->isGameMaster() &&
4057	GetVirtualMapForMapAndZone(m_caster->GetMapId(),m_caster->GetZoneId()) != 530)
4058	return SPELL_FAILED_NOT_HERE;
4059	}
4060	};break;
4061	case SPELL_AURA_PERIODIC_MANA_LEECH:
4062	{
4063	if (!m_targets.getUnitTarget())
4064	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4065
4066	if (m_caster->GetTypeId()!=TYPEID_PLAYER \|\| m_CastItem)
4067	break;
4068
4069	if(m_targets.getUnitTarget()->getPowerType()!=POWER_MANA)
4070	return SPELL_FAILED_BAD_TARGETS;
4071	break;
4072	}
4073	default:break;
4074	}
4075	}
4076
4077	// all ok
4078	return 0;
4079	}
4080
4081	int16 Spell::PetCanCast(Unit* target)
4082	{
4083	if(!m_caster->isAlive())
4084	return SPELL_FAILED_CASTER_DEAD;
4085
4086	if(m_caster->IsNonMeleeSpellCasted(false)) //prevent spellcast interruption by another spellcast
4087	return SPELL_FAILED_SPELL_IN_PROGRESS;
4088	if(m_caster->isInCombat() && IsNonCombatSpell(m_spellInfo))
4089	return SPELL_FAILED_AFFECTING_COMBAT;
4090
4091	if(m_caster->GetTypeId()==TYPEID_UNIT && (((Creature*)m_caster)->isPet() \|\| m_caster->isCharmed()))
4092	{
4093	//dead owner (pets still alive when owners ressed?)
4094	if(m_caster->GetCharmerOrOwner() && !m_caster->GetCharmerOrOwner()->isAlive())
4095	return SPELL_FAILED_CASTER_DEAD;
4096
4097	if(!target && m_targets.getUnitTarget())
4098	target = m_targets.getUnitTarget();
4099
4100	bool need = false;
4101	for(uint32 i = 0;i<3;i++)
4102	{
4103	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)
4104	{
4105	need = true;
4106	if(!target)
4107	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4108	break;
4109	}
4110	}
4111	if(need)
4112	m_targets.setUnitTarget(target);
4113
4114	Unit* _target = m_targets.getUnitTarget();
4115
4116	if(_target) //for target dead/target not valid
4117	{
4118	if(!_target->isAlive())
4119	return SPELL_FAILED_BAD_TARGETS;
4120
4121	if(IsPositiveSpell(m_spellInfo->Id))
4122	{
4123	if(m_caster->IsHostileTo(_target))
4124	return SPELL_FAILED_BAD_TARGETS;
4125	}
4126	else
4127	{
4128	bool duelvsplayertar = false;
4129	for(int j=0;j<3;j++)
4130	{
4131	//TARGET_DUELVSPLAYER is positive AND negative
4132	duelvsplayertar \|= (m_spellInfo->EffectImplicitTargetA[j] == TARGET_DUELVSPLAYER);
4133	}
4134	// AoE spells have the caster as their target
4135	if(m_caster->IsFriendlyTo(target) && m_caster != target && !duelvsplayertar)
4136	{
4137	return SPELL_FAILED_BAD_TARGETS;
4138	}
4139	}
4140	}
4141	//cooldown
4142	if(((Creature*)m_caster)->HasSpellCooldown(m_spellInfo->Id))
4143	return SPELL_FAILED_NOT_READY;
4144	}
4145
4146	uint16 result = CanCast(true);
4147	if(result != 0)
4148	return result;
4149	else
4150	return -1; //this allows to check spell fail 0, in combat
4151	}
4152
4153	uint8 Spell::CheckCasterAuras() const
4154	{
4155	// Flag drop spells totally immuned to caster auras
4156	// FIXME: find more nice check for all totally immuned spells
4157	// AttributesEx3 & 0x10000000?
4158	if(m_spellInfo->Id==23336 \|\| m_spellInfo->Id==23334 \|\| m_spellInfo->Id==34991)
4159	return 0;
4160
4161	uint8 school_immune = 0;
4162	uint32 mechanic_immune = 0;
4163	uint32 dispel_immune = 0;
4164
4165	//Check if the spell grants school or mechanic immunity.
4166	//We use bitmasks so the loop is done only once and not on every aura check below.
4167	if ( m_spellInfo->AttributesEx & SPELL_ATTR_EX_DISPEL_AURAS_ON_IMMUNITY )
4168	{
4169	for(int i = 0;i < 3; i ++)
4170	{
4171	if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_SCHOOL_IMMUNITY)
4172	school_immune \|= uint32(m_spellInfo->EffectMiscValue[i]);
4173	else if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_MECHANIC_IMMUNITY)
4174	mechanic_immune \|= 1 << uint32(m_spellInfo->EffectMiscValue[i]);
4175	else if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_DISPEL_IMMUNITY)
4176	dispel_immune \|= GetDispellMask(DispelType(m_spellInfo->EffectMiscValue[i]));
4177	}
4178	//immune movement impairment and loss of control
4179	if(m_spellInfo->Id==(uint32)42292)
4180	mechanic_immune = IMMUNE_TO_MOVEMENT_IMPAIRMENT_AND_LOSS_CONTROL_MASK;
4181	}
4182
4183	//Check whether the cast should be prevented by any state you might have.
4184	uint8 prevented_reason = 0;
4185	// Have to check if there is a stun aura. Otherwise will have problems with ghost aura apply while logging out
4186	if(!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_STUNNED) && m_caster->HasAuraType(SPELL_AURA_MOD_STUN))
4187	prevented_reason = SPELL_FAILED_STUNNED;
4188	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_CONFUSED) && !(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_CONFUSED))
4189	prevented_reason = SPELL_FAILED_CONFUSED;
4190	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_FLEEING) && !(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_FEARED))
4191	prevented_reason = SPELL_FAILED_FLEEING;
4192	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_SILENCED) && m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_SILENCE)
4193	prevented_reason = SPELL_FAILED_SILENCED;
4194	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PACIFIED) && m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_PACIFY)
4195	prevented_reason = SPELL_FAILED_PACIFIED;
4196
4197	// Attr must make flag drop spell totally immuned from all effects
4198	if(prevented_reason)
4199	{
4200	if(school_immune \|\| mechanic_immune \|\| dispel_immune)
4201	{
4202	//Checking auras is needed now, because you are prevented by some state but the spell grants immunity.
4203	Unit::AuraMap const& auras = m_caster->GetAuras();
4204	for(Unit::AuraMap::const_iterator itr = auras.begin(); itr != auras.end(); itr++)
4205	{
4206	if(itr->second)
4207	{
4208	if( GetSpellMechanicMask(itr->second->GetSpellProto(), itr->second->GetEffIndex()) & mechanic_immune )
4209	continue;
4210	if( GetSpellSchoolMask(itr->second->GetSpellProto()) & school_immune )
4211	continue;
4212	if( (1<<(itr->second->GetSpellProto()->Dispel)) & dispel_immune)
4213	continue;
4214
4215	//Make a second check for spell failed so the right SPELL_FAILED message is returned.
4216	//That is needed when your casting is prevented by multiple states and you are only immune to some of them.
4217	switch(itr->second->GetModifier()->m_auraname)
4218	{
4219	case SPELL_AURA_MOD_STUN:
4220	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_STUNNED))
4221	return SPELL_FAILED_STUNNED;
4222	break;
4223	case SPELL_AURA_MOD_CONFUSE:
4224	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_CONFUSED))
4225	return SPELL_FAILED_CONFUSED;
4226	break;
4227	case SPELL_AURA_MOD_FEAR:
4228	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_FEARED))
4229	return SPELL_FAILED_FLEEING;
4230	break;
4231	case SPELL_AURA_MOD_SILENCE:
4232	case SPELL_AURA_MOD_PACIFY:
4233	case SPELL_AURA_MOD_PACIFY_SILENCE:
4234	if( m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_PACIFY)
4235	return SPELL_FAILED_PACIFIED;
4236	else if ( m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_SILENCE)
4237	return SPELL_FAILED_SILENCED;
4238	break;
4239	}
4240	}
4241	}
4242	}
4243	//You are prevented from casting and the spell casted does not grant immunity. Return a failed error.
4244	else
4245	return prevented_reason;
4246	}
4247	return 0; // all ok
4248	}
4249
4250	bool Spell::CanAutoCast(Unit* target)
4251	{
4252	uint64 targetguid = target->GetGUID();
4253
4254	for(uint32 j = 0;j<3;j++)
4255	{
4256	if(m_spellInfo->Effect[j] == SPELL_EFFECT_APPLY_AURA)
4257	{
4258	if( m_spellInfo->StackAmount <= 1)
4259	{
4260	if( target->HasAura(m_spellInfo->Id, j) )
4261	return false;
4262	}
4263	else
4264	{
4265	if( target->GetAuras().count(Unit::spellEffectPair(m_spellInfo->Id, j)) >= m_spellInfo->StackAmount)
4266	return false;
4267	}
4268	}
4269	else if ( IsAreaAuraEffect( m_spellInfo->Effect[j] ))
4270	{
4271	if( target->HasAura(m_spellInfo->Id, j) )
4272	return false;
4273	}
4274	}
4275
4276	int16 result = PetCanCast(target);
4277
4278	if(result == -1 \|\| result == SPELL_FAILED_UNIT_NOT_INFRONT)
4279	{
4280	FillTargetMap();
4281	//check if among target units, our WANTED target is as well (->only self cast spells return false)
4282	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
4283	if( ihit->targetGUID == targetguid )
4284	return true;
4285	}
4286	return false; //target invalid
4287	}
4288
4289	uint8 Spell::CheckRange(bool strict)
4290	{
4291	float range_mod;
4292
4293	// self cast doesn't need range checking -- also for Starshards fix
4294	if (m_spellInfo->rangeIndex == 1) return 0;
4295
4296	if (strict) //add radius of caster
4297	range_mod = 1.25;
4298	else //add radius of caster and ~5 yds "give"
4299	range_mod = 6.25;
4300
4301	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
4302	float max_range = GetSpellMaxRange(srange) + range_mod;
4303	float min_range = GetSpellMinRange(srange);
4304
4305	if(Player* modOwner = m_caster->GetSpellModOwner())
4306	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_RANGE, max_range, this);
4307
4308	Unit *target = m_targets.getUnitTarget();
4309
4310	if(target && target != m_caster)
4311	{
4312	// distance from target center in checks
4313	if(!m_caster->IsWithinCombatDist(target, max_range))
4314	return SPELL_FAILED_OUT_OF_RANGE; //0x5A;
4315	if(min_range && m_caster->IsWithinCombatDist(target, min_range)) // skip this check if min_range = 0
4316	return SPELL_FAILED_TOO_CLOSE;
4317	if( m_caster->GetTypeId() == TYPEID_PLAYER &&
4318	(m_spellInfo->FacingCasterFlags & SPELL_FACING_FLAG_INFRONT) && !m_caster->HasInArc( M_PI, target ) )
4319	return SPELL_FAILED_UNIT_NOT_INFRONT;
4320	}
4321
4322	if(m_targets.m_targetMask == TARGET_FLAG_DEST_LOCATION && m_targets.m_destX != 0 && m_targets.m_destY != 0 && m_targets.m_destZ != 0)
4323	{
4324	float dist = m_caster->GetDistance(m_targets.m_destX, m_targets.m_destY, m_targets.m_destZ);
4325	if(dist > max_range)
4326	return SPELL_FAILED_OUT_OF_RANGE;
4327	if(dist < min_range)
4328	return SPELL_FAILED_TOO_CLOSE;
4329	}
4330
4331	return 0; // ok
4332	}
4333
4334	int32 Spell::CalculatePowerCost()
4335	{
4336	// item cast not used power
4337	if(m_CastItem)
4338	return 0;
4339
4340	// Spell drain all exist power on cast (Only paladin lay of Hands)
4341	if (m_spellInfo->AttributesEx & SPELL_ATTR_EX_DRAIN_ALL_POWER)
4342	{
4343	// If power type - health drain all
4344	if (m_spellInfo->powerType == POWER_HEALTH)
4345	return m_caster->GetHealth();
4346	// Else drain all power
4347	if (m_spellInfo->powerType < MAX_POWERS)
4348	return m_caster->GetPower(Powers(m_spellInfo->powerType));
4349	sLog.outError("Spell::CalculateManaCost: Unknown power type '%d' in spell %d", m_spellInfo->powerType, m_spellInfo->Id);
4350	return 0;
4351	}
4352
4353	// Base powerCost
4354	int32 powerCost = m_spellInfo->manaCost;
4355	// PCT cost from total amount
4356	if (m_spellInfo->ManaCostPercentage)
4357	{
4358	switch (m_spellInfo->powerType)
4359	{
4360	// health as power used
4361	case POWER_HEALTH:
4362	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetCreateHealth() / 100;
4363	break;
4364	case POWER_MANA:
4365	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetCreateMana() / 100;
4366	break;
4367	case POWER_RAGE:
4368	case POWER_FOCUS:
4369	case POWER_ENERGY:
4370	case POWER_HAPPINESS:
4371	// case POWER_RUNES:
4372	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetMaxPower(Powers(m_spellInfo->powerType)) / 100;
4373	break;
4374	default:
4375	sLog.outError("Spell::CalculateManaCost: Unknown power type '%d' in spell %d", m_spellInfo->powerType, m_spellInfo->Id);
4376	return 0;
4377	}
4378	}
4379	SpellSchools school = GetFirstSchoolInMask(m_spellSchoolMask);
4380	// Flat mod from caster auras by spell school
4381	powerCost += m_caster->GetInt32Value(UNIT_FIELD_POWER_COST_MODIFIER + school);
4382	// Shiv - costs 20 + weaponSpeed*10 energy (apply only to non-triggered spell with energy cost)
4383	if ( m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_SPELL_VS_EXTEND_COST )
4384	powerCost += m_caster->GetAttackTime(OFF_ATTACK)/100;
4385	// Apply cost mod by spell
4386	if(Player* modOwner = m_caster->GetSpellModOwner())
4387	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COST, powerCost, this);
4388
4389	if(m_spellInfo->Attributes & SPELL_ATTR_LEVEL_DAMAGE_CALCULATION)
4390	powerCost = int32(powerCost/ (1.117f* m_spellInfo->spellLevel / m_caster->getLevel() -0.1327f));
4391
4392	// PCT mod from user auras by school
4393	powerCost = int32(powerCost * (1.0f+m_caster->GetFloatValue(UNIT_FIELD_POWER_COST_MULTIPLIER+school)));
4394	if (powerCost < 0)
4395	powerCost = 0;
4396	return powerCost;
4397	}
4398
4399	uint8 Spell::CheckPower()
4400	{
4401	// item cast not used power
4402	if(m_CastItem)
4403	return 0;
4404
4405	// health as power used - need check health amount
4406	if(m_spellInfo->powerType == POWER_HEALTH)
4407	{
4408	if(m_caster->GetHealth() <= m_powerCost)
4409	return SPELL_FAILED_CASTER_AURASTATE;
4410	return 0;
4411	}
4412	// Check valid power type
4413	if( m_spellInfo->powerType >= MAX_POWERS )
4414	{
4415	sLog.outError("Spell::CheckMana: Unknown power type '%d'", m_spellInfo->powerType);
4416	return SPELL_FAILED_UNKNOWN;
4417	}
4418	// Check power amount
4419	Powers powerType = Powers(m_spellInfo->powerType);
4420	if(m_caster->GetPower(powerType) < m_powerCost)
4421	return SPELL_FAILED_NO_POWER;
4422	else
4423	return 0;
4424	}
4425
4426	uint8 Spell::CheckItems()
4427	{
4428	if (m_caster->GetTypeId() != TYPEID_PLAYER)
4429	return 0;
4430
4431	uint32 itemid, itemcount;
4432	Player* p_caster = (Player*)m_caster;
4433
4434	if(m_CastItem)
4435	{
4436	itemid = m_CastItem->GetEntry();
4437	if( !p_caster->HasItemCount(itemid,1) )
4438	return SPELL_FAILED_ITEM_NOT_READY;
4439	else
4440	{
4441	ItemPrototype const *proto = m_CastItem->GetProto();
4442	if(!proto)
4443	return SPELL_FAILED_ITEM_NOT_READY;
4444
4445	for (int i = 0; i<5; i++)
4446	{
4447	if (proto->Spells[i].SpellCharges)
4448	{
4449	if(m_CastItem->GetSpellCharges(i)==0)
4450	return SPELL_FAILED_NO_CHARGES_REMAIN;
4451	}
4452	}
4453
4454	uint32 ItemClass = proto->Class;
4455	if (ItemClass == ITEM_CLASS_CONSUMABLE && m_targets.getUnitTarget())
4456	{
4457	for (int i = 0; i < 3; i++)
4458	{
4459	// skip check, pet not required like checks, and for TARGET_PET m_targets.getUnitTarget() is not the real target but the caster
4460	if (m_spellInfo->EffectImplicitTargetA[i] == TARGET_PET)
4461	continue;
4462
4463	if (m_spellInfo->Effect[i] == SPELL_EFFECT_HEAL)
4464	if (m_targets.getUnitTarget()->GetHealth() == m_targets.getUnitTarget()->GetMaxHealth())
4465	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_HEALTH;
4466
4467	// Mana Potion, Rage Potion, Thistle Tea(Rogue), ...
4468	if (m_spellInfo->Effect[i] == SPELL_EFFECT_ENERGIZE)
4469	{
4470	if(m_spellInfo->EffectMiscValue[i] < 0 \|\| m_spellInfo->EffectMiscValue[i] >= MAX_POWERS)
4471	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_POWER;
4472
4473	Powers power = Powers(m_spellInfo->EffectMiscValue[i]);
4474
4475	if (m_targets.getUnitTarget()->GetPower(power) == m_targets.getUnitTarget()->GetMaxPower(power))
4476	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_POWER;
4477	}
4478	}
4479	}
4480	}
4481	}
4482
4483	if(m_targets.getItemTargetGUID())
4484	{
4485	if(m_caster->GetTypeId() != TYPEID_PLAYER)
4486	return SPELL_FAILED_BAD_TARGETS;
4487
4488	if(!m_targets.getItemTarget())
4489	return SPELL_FAILED_ITEM_GONE;
4490
4491	if(!m_targets.getItemTarget()->IsFitToSpellRequirements(m_spellInfo))
4492	return SPELL_FAILED_EQUIPPED_ITEM_CLASS;
4493	}
4494	// if not item target then required item must be equipped
4495	else
4496	{
4497	if(m_caster->GetTypeId() == TYPEID_PLAYER && !((Player*)m_caster)->HasItemFitToSpellReqirements(m_spellInfo))
4498	return SPELL_FAILED_EQUIPPED_ITEM_CLASS;
4499	}
4500
4501	if(m_spellInfo->RequiresSpellFocus)
4502	{
4503	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
4504	Cell cell(p);
4505	cell.data.Part.reserved = ALL_DISTRICT;
4506
4507	GameObject* ok = NULL;
4508	Trinity::GameObjectFocusCheck go_check(m_caster,m_spellInfo->RequiresSpellFocus);
4509	Trinity::GameObjectSearcher<Trinity::GameObjectFocusCheck> checker(ok,go_check);
4510
4511	TypeContainerVisitor<Trinity::GameObjectSearcher<Trinity::GameObjectFocusCheck>, GridTypeMapContainer > object_checker(checker);
4512	CellLock<GridReadGuard> cell_lock(cell, p);
4513	cell_lock->Visit(cell_lock, object_checker, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
4514
4515	if(!ok)
4516	return (uint8)SPELL_FAILED_REQUIRES_SPELL_FOCUS;
4517
4518	focusObject = ok; // game object found in range
4519	}
4520
4521	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_NO_REAGENT_WHILE_PREP &&
4522	m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREPARATION)))
4523	{
4524	for(uint32 i=0;i<8;i++)
4525	{
4526	if(m_spellInfo->Reagent[i] <= 0)
4527	continue;
4528
4529	itemid = m_spellInfo->Reagent[i];
4530	itemcount = m_spellInfo->ReagentCount[i];
4531
4532	// if CastItem is also spell reagent
4533	if( m_CastItem && m_CastItem->GetEntry() == itemid )
4534	{
4535	ItemPrototype const *proto = m_CastItem->GetProto();
4536	if(!proto)
4537	return SPELL_FAILED_ITEM_NOT_READY;
4538	for(int s=0;s<5;s++)
4539	{
4540	// CastItem will be used up and does not count as reagent
4541	int32 charges = m_CastItem->GetSpellCharges(s);
4542	if (proto->Spells[s].SpellCharges < 0 && abs(charges) < 2)
4543	{
4544	++itemcount;
4545	break;
4546	}
4547	}
4548	}
4549	if( !p_caster->HasItemCount(itemid,itemcount) )
4550	return (uint8)SPELL_FAILED_ITEM_NOT_READY; //0x54
4551	}
4552	}
4553
4554	uint32 totems = 2;
4555	for(int i=0;i<2;++i)
4556	{
4557	if(m_spellInfo->Totem[i] != 0)
4558	{
4559	if( p_caster->HasItemCount(m_spellInfo->Totem[i],1) )
4560	{
4561	totems -= 1;
4562	continue;
4563	}
4564	}else
4565	totems -= 1;
4566	}
4567	if(totems != 0)
4568	return (uint8)SPELL_FAILED_TOTEMS; //0x7C
4569
4570	//Check items for TotemCategory
4571	uint32 TotemCategory = 2;
4572	for(int i=0;i<2;++i)
4573	{
4574	if(m_spellInfo->TotemCategory[i] != 0)
4575	{
4576	if( p_caster->HasItemTotemCategory(m_spellInfo->TotemCategory[i]) )
4577	{
4578	TotemCategory -= 1;
4579	continue;
4580	}
4581	}
4582	else
4583	TotemCategory -= 1;
4584	}
4585	if(TotemCategory != 0)
4586	return (uint8)SPELL_FAILED_TOTEM_CATEGORY; //0x7B
4587
4588	for(int i = 0; i < 3; i++)
4589	{
4590	switch (m_spellInfo->Effect[i])
4591	{
4592	case SPELL_EFFECT_CREATE_ITEM:
4593	{
4594	if (!m_IsTriggeredSpell && m_spellInfo->EffectItemType[i])
4595	{
4596	ItemPosCountVec dest;
4597	uint8 msg = p_caster->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, m_spellInfo->EffectItemType[i], 1 );
4598	if (msg != EQUIP_ERR_OK )
4599	{
4600	p_caster->SendEquipError( msg, NULL, NULL );
4601	return SPELL_FAILED_DONT_REPORT;
4602	}
4603	}
4604	break;
4605	}
4606	case SPELL_EFFECT_ENCHANT_ITEM:
4607	{
4608	Item* targetItem = m_targets.getItemTarget();
4609	if(!targetItem)
4610	return SPELL_FAILED_ITEM_NOT_FOUND;
4611
4612	if( targetItem->GetProto()->ItemLevel < m_spellInfo->baseLevel )
4613	return SPELL_FAILED_LOWLEVEL;
4614	// Not allow enchant in trade slot for some enchant type
4615	if( targetItem->GetOwner() != m_caster )
4616	{
4617	uint32 enchant_id = m_spellInfo->EffectMiscValue[i];
4618	SpellItemEnchantmentEntry const *pEnchant = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
4619	if(!pEnchant)
4620	return SPELL_FAILED_ERROR;
4621	if (pEnchant->slot & ENCHANTMENT_CAN_SOULBOUND)
4622	return SPELL_FAILED_NOT_TRADEABLE;
4623	}
4624	break;
4625	}
4626	case SPELL_EFFECT_ENCHANT_ITEM_TEMPORARY:
4627	{
4628	Item *item = m_targets.getItemTarget();
4629	if(!item)
4630	return SPELL_FAILED_ITEM_NOT_FOUND;
4631	// Not allow enchant in trade slot for some enchant type
4632	if( item->GetOwner() != m_caster )
4633	{
4634	uint32 enchant_id = m_spellInfo->EffectMiscValue[i];
4635	SpellItemEnchantmentEntry const *pEnchant = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
4636	if(!pEnchant)
4637	return SPELL_FAILED_ERROR;
4638	if (pEnchant->slot & ENCHANTMENT_CAN_SOULBOUND)
4639	return SPELL_FAILED_NOT_TRADEABLE;
4640	}
4641	break;
4642	}
4643	case SPELL_EFFECT_ENCHANT_HELD_ITEM:
4644	// check item existence in effect code (not output errors at offhand hold item effect to main hand for example
4645	break;
4646	case SPELL_EFFECT_DISENCHANT:
4647	{
4648	if(!m_targets.getItemTarget())
4649	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4650
4651	// prevent disenchanting in trade slot
4652	if( m_targets.getItemTarget()->GetOwnerGUID() != m_caster->GetGUID() )
4653	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4654
4655	ItemPrototype const* itemProto = m_targets.getItemTarget()->GetProto();
4656	if(!itemProto)
4657	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4658
4659	uint32 item_quality = itemProto->Quality;
4660	// 2.0.x addon: Check player enchanting level against the item disenchanting requirements
4661	uint32 item_disenchantskilllevel = itemProto->RequiredDisenchantSkill;
4662	if (item_disenchantskilllevel == uint32(-1))
4663	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4664	if (item_disenchantskilllevel > p_caster->GetSkillValue(SKILL_ENCHANTING))
4665	return SPELL_FAILED_LOW_CASTLEVEL;
4666	if(item_quality > 4 \|\| item_quality < 2)
4667	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4668	if(itemProto->Class != ITEM_CLASS_WEAPON && itemProto->Class != ITEM_CLASS_ARMOR)
4669	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4670	if (!itemProto->DisenchantID)
4671	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4672	break;
4673	}
4674	case SPELL_EFFECT_PROSPECTING:
4675	{
4676	if(!m_targets.getItemTarget())
4677	return SPELL_FAILED_CANT_BE_PROSPECTED;
4678	//ensure item is a prospectable ore
4679	if(!(m_targets.getItemTarget()->GetProto()->BagFamily & BAG_FAMILY_MASK_MINING_SUPP) \|\| m_targets.getItemTarget()->GetProto()->Class != ITEM_CLASS_TRADE_GOODS)
4680	return SPELL_FAILED_CANT_BE_PROSPECTED;
4681	//prevent prospecting in trade slot
4682	if( m_targets.getItemTarget()->GetOwnerGUID() != m_caster->GetGUID() )
4683	return SPELL_FAILED_CANT_BE_PROSPECTED;
4684	//Check for enough skill in jewelcrafting
4685	uint32 item_prospectingskilllevel = m_targets.getItemTarget()->GetProto()->RequiredSkillRank;
4686	if(item_prospectingskilllevel >p_caster->GetSkillValue(SKILL_JEWELCRAFTING))
4687	return SPELL_FAILED_LOW_CASTLEVEL;
4688	//make sure the player has the required ores in inventory
4689	if(m_targets.getItemTarget()->GetCount() < 5)
4690	return SPELL_FAILED_PROSPECT_NEED_MORE;
4691
4692	if(!LootTemplates_Prospecting.HaveLootFor(m_targets.getItemTargetEntry()))
4693	return SPELL_FAILED_CANT_BE_PROSPECTED;
4694
4695	break;
4696	}
4697	case SPELL_EFFECT_WEAPON_DAMAGE:
4698	case SPELL_EFFECT_WEAPON_DAMAGE_NOSCHOOL:
4699	{
4700	if(m_caster->GetTypeId() != TYPEID_PLAYER) return SPELL_FAILED_TARGET_NOT_PLAYER;
4701	if( m_attackType != RANGED_ATTACK )
4702	break;
4703	Item pItem = ((Player)m_caster)->GetWeaponForAttack(m_attackType);
4704	if(!pItem \|\| pItem->IsBroken())
4705	return SPELL_FAILED_EQUIPPED_ITEM;
4706
4707	switch(pItem->GetProto()->SubClass)
4708	{
4709	case ITEM_SUBCLASS_WEAPON_THROWN:
4710	{
4711	uint32 ammo = pItem->GetEntry();
4712	if( !((Player*)m_caster)->HasItemCount( ammo, 1 ) )
4713	return SPELL_FAILED_NO_AMMO;
4714	}; break;
4715	case ITEM_SUBCLASS_WEAPON_GUN:
4716	case ITEM_SUBCLASS_WEAPON_BOW:
4717	case ITEM_SUBCLASS_WEAPON_CROSSBOW:
4718	{
4719	uint32 ammo = ((Player*)m_caster)->GetUInt32Value(PLAYER_AMMO_ID);
4720	if(!ammo)
4721	{
4722	// Requires No Ammo
4723	if(m_caster->GetDummyAura(46699))
4724	break; // skip other checks
4725
4726	return SPELL_FAILED_NO_AMMO;
4727	}
4728
4729	ItemPrototype const *ammoProto = objmgr.GetItemPrototype( ammo );
4730	if(!ammoProto)
4731	return SPELL_FAILED_NO_AMMO;
4732
4733	if(ammoProto->Class != ITEM_CLASS_PROJECTILE)
4734	return SPELL_FAILED_NO_AMMO;
4735
4736	// check ammo ws. weapon compatibility
4737	switch(pItem->GetProto()->SubClass)
4738	{
4739	case ITEM_SUBCLASS_WEAPON_BOW:
4740	case ITEM_SUBCLASS_WEAPON_CROSSBOW:
4741	if(ammoProto->SubClass!=ITEM_SUBCLASS_ARROW)
4742	return SPELL_FAILED_NO_AMMO;
4743	break;
4744	case ITEM_SUBCLASS_WEAPON_GUN:
4745	if(ammoProto->SubClass!=ITEM_SUBCLASS_BULLET)
4746	return SPELL_FAILED_NO_AMMO;
4747	break;
4748	default:
4749	return SPELL_FAILED_NO_AMMO;
4750	}
4751
4752	if( !((Player*)m_caster)->HasItemCount( ammo, 1 ) )
4753	return SPELL_FAILED_NO_AMMO;
4754	}; break;
4755	case ITEM_SUBCLASS_WEAPON_WAND:
4756	default:
4757	break;
4758	}
4759	break;
4760	}
4761	default:break;
4762	}
4763	}
4764
4765	return uint8(0);
4766	}
4767
4768	void Spell::Delayed() // only called in DealDamage()
4769	{
4770	if(!m_caster)// \|\| m_caster->GetTypeId() != TYPEID_PLAYER)
4771	return;
4772
4773	//if (m_spellState == SPELL_STATE_DELAYED)
4774	// return; // spell is active and can't be time-backed
4775
4776	// spells not loosing casting time ( slam, dynamites, bombs.. )
4777	//if(!(m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_DAMAGE))
4778	// return;
4779
4780	//check resist chance
4781	int32 resistChance = 100; //must be initialized to 100 for percent modifiers
4782	((Player*)m_caster)->ApplySpellMod(m_spellInfo->Id,SPELLMOD_NOT_LOSE_CASTING_TIME,resistChance, this);
4783	resistChance += m_caster->GetTotalAuraModifier(SPELL_AURA_RESIST_PUSHBACK) - 100;
4784	if (roll_chance_i(resistChance))
4785	return;
4786
4787	int32 delaytime = GetNextDelayAtDamageMsTime();
4788
4789	if(int32(m_timer) + delaytime > m_casttime)
4790	{
4791	delaytime = m_casttime - m_timer;
4792	m_timer = m_casttime;
4793	}
4794	else
4795	m_timer += delaytime;
4796
4797	sLog.outDetail("Spell %u partially interrupted for (%d) ms at damage",m_spellInfo->Id,delaytime);
4798
4799	WorldPacket data(SMSG_SPELL_DELAYED, 8+4);
4800	data.append(m_caster->GetPackGUID());
4801	data << uint32(delaytime);
4802
4803	m_caster->SendMessageToSet(&data,true);
4804	}
4805
4806	void Spell::DelayedChannel()
4807	{
4808	if(!m_caster \|\| m_caster->GetTypeId() != TYPEID_PLAYER \|\| getState() != SPELL_STATE_CASTING)
4809	return;
4810
4811	//check resist chance
4812	int32 resistChance = 100; //must be initialized to 100 for percent modifiers
4813	((Player*)m_caster)->ApplySpellMod(m_spellInfo->Id,SPELLMOD_NOT_LOSE_CASTING_TIME,resistChance, this);
4814	resistChance += m_caster->GetTotalAuraModifier(SPELL_AURA_RESIST_PUSHBACK) - 100;
4815	if (roll_chance_i(resistChance))
4816	return;
4817
4818	int32 delaytime = GetNextDelayAtDamageMsTime();
4819
4820	if(int32(m_timer) < delaytime)
4821	{
4822	delaytime = m_timer;
4823	m_timer = 0;
4824	}
4825	else
4826	m_timer -= delaytime;
4827
4828	sLog.outDebug("Spell %u partially interrupted for %i ms, new duration: %u ms", m_spellInfo->Id, delaytime, m_timer);
4829
4830	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
4831	{
4832	if ((*ihit).missCondition == SPELL_MISS_NONE)
4833	{
4834	Unit* unit = m_caster->GetGUID()==ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, ihit->targetGUID);
4835	if (unit)
4836	{
4837	for (int j=0;j<3;j++)
4838	if( ihit->effectMask & (1<<j) )
4839	unit->DelayAura(m_spellInfo->Id, j, delaytime);
4840	}
4841
4842	}
4843	}
4844
4845	for(int j = 0; j < 3; j++)
4846	{
4847	// partially interrupt persistent area auras
4848	DynamicObject* dynObj = m_caster->GetDynObject(m_spellInfo->Id, j);
4849	if(dynObj)
4850	dynObj->Delay(delaytime);
4851	}
4852
4853	SendChannelUpdate(m_timer);
4854	}
4855
4856	void Spell::UpdatePointers()
4857	{
4858	if(m_originalCasterGUID==m_caster->GetGUID())
4859	m_originalCaster = m_caster;
4860	else
4861	{
4862	m_originalCaster = ObjectAccessor::GetUnit(*m_caster,m_originalCasterGUID);
4863	if(m_originalCaster && !m_originalCaster->IsInWorld()) m_originalCaster = NULL;
4864	}
4865
4866	m_targets.Update(m_caster);
4867	}
4868
4869	bool Spell::IsAffectedBy(SpellEntry const *spellInfo, uint32 effectId)
4870	{
4871	return spellmgr.IsAffectedBySpell(m_spellInfo,spellInfo->Id,effectId,spellInfo->EffectItemType[effectId]);
4872	}
4873
4874	bool Spell::CheckTargetCreatureType(Unit* target) const
4875	{
4876	uint32 spellCreatureTargetMask = m_spellInfo->TargetCreatureType;
4877
4878	// Curse of Doom : not find another way to fix spell target check :/
4879	if(m_spellInfo->SpellFamilyName==SPELLFAMILY_WARLOCK && m_spellInfo->SpellFamilyFlags == 0x0200000000LL)
4880	{
4881	// not allow cast at player
4882	if(target->GetTypeId()==TYPEID_PLAYER)
4883	return false;
4884
4885	spellCreatureTargetMask = 0x7FF;
4886	}
4887
4888	// Dismiss Pet and Taming Lesson skipped
4889	if(m_spellInfo->Id == 2641 \|\| m_spellInfo->Id == 23356)
4890	spellCreatureTargetMask = 0;
4891
4892	if (spellCreatureTargetMask)
4893	{
4894	uint32 TargetCreatureType = target->GetCreatureTypeMask();
4895
4896	return !TargetCreatureType \|\| (spellCreatureTargetMask & TargetCreatureType);
4897	}
4898	return true;
4899	}
4900
4901	CurrentSpellTypes Spell::GetCurrentContainer()
4902	{
4903	if (IsNextMeleeSwingSpell())
4904	return(CURRENT_MELEE_SPELL);
4905	else if (IsAutoRepeat())
4906	return(CURRENT_AUTOREPEAT_SPELL);
4907	else if (IsChanneledSpell(m_spellInfo))
4908	return(CURRENT_CHANNELED_SPELL);
4909	else
4910	return(CURRENT_GENERIC_SPELL);
4911	}
4912
4913	bool Spell::CheckTarget( Unit* target, uint32 eff, bool hitPhase )
4914	{
4915	// Check targets for creature type mask and remove not appropriate (skip explicit self target case, maybe need other explicit targets)
4916	if(m_spellInfo->EffectImplicitTargetA[eff]!=TARGET_SELF && !m_magnetPair.first)
4917	{
4918	if (!CheckTargetCreatureType(target))
4919	return false;
4920	}
4921
4922	// Check targets for not_selectable unit flag and remove
4923	// A player can cast spells on his pet (or other controlled unit) though in any state
4924	if (target != m_caster && target->GetCharmerOrOwnerGUID() != m_caster->GetGUID())
4925	{
4926	// any unattackable target skipped
4927	if (target->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE))
4928	return false;
4929
4930	// unselectable targets skipped in all cases except TARGET_SCRIPT targeting
4931	// in case TARGET_SCRIPT target selected by server always and can't be cheated
4932	if( target->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE) &&
4933	m_spellInfo->EffectImplicitTargetA[eff] != TARGET_SCRIPT &&
4934	m_spellInfo->EffectImplicitTargetB[eff] != TARGET_SCRIPT )
4935	return false;
4936	}
4937
4938	//Check player targets and remove if in GM mode or GM invisibility (for not self casting case)
4939	if( target != m_caster && target->GetTypeId()==TYPEID_PLAYER)
4940	{
4941	if(((Player*)target)->GetVisibility()==VISIBILITY_OFF)
4942	return false;
4943
4944	if(((Player*)target)->isGameMaster() && !IsPositiveSpell(m_spellInfo->Id))
4945	return false;
4946	}
4947
4948	//Check targets for LOS visibility (except spells without range limitations )
4949	switch(m_spellInfo->Effect[eff])
4950	{
4951	case SPELL_EFFECT_SUMMON_PLAYER: // from anywhere
4952	break;
4953	case SPELL_EFFECT_DUMMY:
4954	if(m_spellInfo->Id!=20577) // Cannibalize
4955	break;
4956	//fall through
4957	case SPELL_EFFECT_RESURRECT_NEW:
4958	// player far away, maybe his corpse near?
4959	if(target!=m_caster && !target->IsWithinLOSInMap(m_caster))
4960	{
4961	if(!m_targets.getCorpseTargetGUID())
4962	return false;
4963
4964	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
4965	if(!corpse)
4966	return false;
4967
4968	if(target->GetGUID()!=corpse->GetOwnerGUID())
4969	return false;
4970
4971	if(!corpse->IsWithinLOSInMap(m_caster))
4972	return false;
4973	}
4974
4975	// all ok by some way or another, skip normal check
4976	break;
4977	default: // normal case
4978	if(target!=m_caster && !target->IsWithinLOSInMap(m_caster))
4979	return false;
4980	break;
4981	}
4982
4983	return true;
4984	}
4985
4986	Unit* Spell::SelectMagnetTarget()
4987	{
4988	Unit* target = m_targets.getUnitTarget();
4989
4990	if(target && target->HasAuraType(SPELL_AURA_SPELL_MAGNET) && !(m_spellInfo->Attributes & 0x10))
4991	{
4992	Unit::AuraList const& magnetAuras = target->GetAurasByType(SPELL_AURA_SPELL_MAGNET);
4993	for(Unit::AuraList::const_iterator itr = magnetAuras.begin(); itr != magnetAuras.end(); ++itr)
4994	{
4995	if(Unit* magnet = (*itr)->GetCaster())
4996	{
4997	if((*itr)->m_procCharges>0 && magnet->IsWithinLOSInMap(m_caster))
4998	{
4999	(itr)->SetAuraProcCharges((itr)->m_procCharges-1);
5000	m_magnetPair.first = true;
5001	m_magnetPair.second = magnet;
5002
5003	target = magnet;
5004	m_targets.setUnitTarget(target);
5005	break;
5006	}
5007	}
5008	}
5009	}
5010
5011	return target;
5012	}
5013
5014	bool Spell::IsNeedSendToClient() const
5015	{
5016	return m_spellInfo->SpellVisual!=0 \|\| IsChanneledSpell(m_spellInfo) \|\|
5017	m_spellInfo->speed > 0.0f \|\| !m_triggeredByAuraSpell && !m_IsTriggeredSpell;
5018	}
5019
5020	bool Spell::HaveTargetsForEffect( uint8 effect ) const
5021	{
5022	for(std::list<TargetInfo>::const_iterator itr= m_UniqueTargetInfo.begin();itr != m_UniqueTargetInfo.end();++itr)
5023	if(itr->effectMask & (1<<effect))
5024	return true;
5025
5026	for(std::list<GOTargetInfo>::const_iterator itr= m_UniqueGOTargetInfo.begin();itr != m_UniqueGOTargetInfo.end();++itr)
5027	if(itr->effectMask & (1<<effect))
5028	return true;
5029
5030	for(std::list<ItemTargetInfo>::const_iterator itr= m_UniqueItemInfo.begin();itr != m_UniqueItemInfo.end();++itr)
5031	if(itr->effectMask & (1<<effect))
5032	return true;
5033
5034	return false;
5035	}
5036
5037	SpellEvent::SpellEvent(Spell* spell) : BasicEvent()
5038	{
5039	m_Spell = spell;
5040	}
5041
5042	SpellEvent::~SpellEvent()
5043	{
5044	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5045	m_Spell->cancel();
5046
5047	if (m_Spell->IsDeletable())
5048	{
5049	delete m_Spell;
5050	}
5051	else
5052	{
5053	sLog.outError("~SpellEvent: %s %u tried to delete non-deletable spell %u. Was not deleted, causes memory leak.",
5054	(m_Spell->GetCaster()->GetTypeId()==TYPEID_PLAYER?"Player":"Creature"), m_Spell->GetCaster()->GetGUIDLow(),m_Spell->m_spellInfo->Id);
5055	}
5056	}
5057
5058	bool SpellEvent::Execute(uint64 e_time, uint32 p_time)
5059	{
5060	// update spell if it is not finished
5061	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5062	m_Spell->update(p_time);
5063
5064	// check spell state to process
5065	switch (m_Spell->getState())
5066	{
5067	case SPELL_STATE_FINISHED:
5068	{
5069	// spell was finished, check deletable state
5070	if (m_Spell->IsDeletable())
5071	{
5072	// check, if we do have unfinished triggered spells
5073
5074	return(true); // spell is deletable, finish event
5075	}
5076	// event will be re-added automatically at the end of routine)
5077	} break;
5078
5079	case SPELL_STATE_CASTING:
5080	{
5081	// this spell is in channeled state, process it on the next update
5082	// event will be re-added automatically at the end of routine)
5083	} break;
5084
5085	case SPELL_STATE_DELAYED:
5086	{
5087	// first, check, if we have just started
5088	if (m_Spell->GetDelayStart() != 0)
5089	{
5090	// no, we aren't, do the typical update
5091	// check, if we have channeled spell on our hands
5092	if (IsChanneledSpell(m_Spell->m_spellInfo))
5093	{
5094	// evented channeled spell is processed separately, casted once after delay, and not destroyed till finish
5095	// check, if we have casting anything else except this channeled spell and autorepeat
5096	if (m_Spell->GetCaster()->IsNonMeleeSpellCasted(false, true, true))
5097	{
5098	// another non-melee non-delayed spell is casted now, abort
5099	m_Spell->cancel();
5100	}
5101	else
5102	{
5103	// do the action (pass spell to channeling state)
5104	m_Spell->handle_immediate();
5105	}
5106	// event will be re-added automatically at the end of routine)
5107	}
5108	else
5109	{
5110	// run the spell handler and think about what we can do next
5111	uint64 t_offset = e_time - m_Spell->GetDelayStart();
5112	uint64 n_offset = m_Spell->handle_delayed(t_offset);
5113	if (n_offset)
5114	{
5115	// re-add us to the queue
5116	m_Spell->GetCaster()->m_Events.AddEvent(this, m_Spell->GetDelayStart() + n_offset, false);
5117	return(false); // event not complete
5118	}
5119	// event complete
5120	// finish update event will be re-added automatically at the end of routine)
5121	}
5122	}
5123	else
5124	{
5125	// delaying had just started, record the moment
5126	m_Spell->SetDelayStart(e_time);
5127	// re-plan the event for the delay moment
5128	m_Spell->GetCaster()->m_Events.AddEvent(this, e_time + m_Spell->GetDelayMoment(), false);
5129	return(false); // event not complete
5130	}
5131	} break;
5132
5133	default:
5134	{
5135	// all other states
5136	// event will be re-added automatically at the end of routine)
5137	} break;
5138	}
5139
5140	// spell processing not complete, plan event on the next update interval
5141	m_Spell->GetCaster()->m_Events.AddEvent(this, e_time + 1, false);
5142	return(false); // event not complete
5143	}
5144
5145	void SpellEvent::Abort(uint64 /e_time/)
5146	{
5147	// oops, the spell we try to do is aborted
5148	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5149	m_Spell->cancel();
5150	}
5151
5152	bool SpellEvent::IsDeletable() const
5153	{
5154	return m_Spell->IsDeletable();
5155	}

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root/trunk/src/game/Spell.cpp @ 231

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