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Spell.cpp @ 157

Revision 157, 196.3 kB (checked in by yumileroy, 17 years ago)

[svn] Fix hunter's frozen trap, half duration when pvp.
Use vector to store linked spell information to support multiple effects.

Original author: megamage
Date: 2008-11-03 17:20:35-06:00

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_deletable = true;
291	m_delayAtDamageCount = 0;
292
293	m_applyMultiplierMask = 0;
294
295	// Get data for type of attack
296	switch (m_spellInfo->DmgClass)
297	{
298	case SPELL_DAMAGE_CLASS_MELEE:
299	if (m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_REQ_OFFHAND)
300	m_attackType = OFF_ATTACK;
301	else
302	m_attackType = BASE_ATTACK;
303	break;
304	case SPELL_DAMAGE_CLASS_RANGED:
305	m_attackType = RANGED_ATTACK;
306	break;
307	default:
308	// Wands
309	if (m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_REQ_WAND)
310	m_attackType = RANGED_ATTACK;
311	else
312	m_attackType = BASE_ATTACK;
313	break;
314	}
315
316	m_spellSchoolMask = GetSpellSchoolMask(info); // Can be override for some spell (wand shoot for example)
317
318	if(m_attackType == RANGED_ATTACK)
319	{
320	// wand case
321	if((m_caster->getClassMask() & CLASSMASK_WAND_USERS) != 0 && m_caster->GetTypeId()==TYPEID_PLAYER)
322	{
323	if(Item* pItem = ((Player*)m_caster)->GetWeaponForAttack(RANGED_ATTACK))
324	m_spellSchoolMask = SpellSchoolMask(1 << pItem->GetProto()->Damage->DamageType);
325	}
326	}
327
328	if(originalCasterGUID)
329	m_originalCasterGUID = originalCasterGUID;
330	else
331	m_originalCasterGUID = m_caster->GetGUID();
332
333	if(m_originalCasterGUID==m_caster->GetGUID())
334	m_originalCaster = m_caster;
335	else
336	{
337	m_originalCaster = ObjectAccessor::GetUnit(*m_caster,m_originalCasterGUID);
338	if(m_originalCaster && !m_originalCaster->IsInWorld()) m_originalCaster = NULL;
339	}
340
341	for(int i=0; i <3; ++i)
342	m_currentBasePoints[i] = m_spellInfo->EffectBasePoints[i];
343
344	m_spellState = SPELL_STATE_NULL;
345
346	m_castPositionX = m_castPositionY = m_castPositionZ = 0;
347	m_TriggerSpells.clear();
348	m_IsTriggeredSpell = triggered;
349	//m_AreaAura = false;
350	m_CastItem = NULL;
351
352	unitTarget = NULL;
353	itemTarget = NULL;
354	gameObjTarget = NULL;
355	focusObject = NULL;
356	m_cast_count = 0;
357	m_triggeredByAuraSpell = NULL;
358
359	//Auto Shot & Shoot
360	if( m_spellInfo->AttributesEx2 == 0x000020 && !triggered )
361	m_autoRepeat = true;
362	else
363	m_autoRepeat = false;
364
365	m_powerCost = 0; // setup to correct value in Spell::prepare, don't must be used before.
366	m_casttime = 0; // setup to correct value in Spell::prepare, don't must be used before.
367	m_timer = 0; // will set to castime in preper
368
369	m_needAliveTargetMask = 0;
370
371	// determine reflection
372	m_canReflect = false;
373
374	if(m_spellInfo->DmgClass == SPELL_DAMAGE_CLASS_MAGIC && (m_spellInfo->AttributesEx2 & 0x4)==0)
375	{
376	for(int j=0;j<3;j++)
377	{
378	if (m_spellInfo->Effect[j]==0)
379	continue;
380
381	if(!IsPositiveTarget(m_spellInfo->EffectImplicitTargetA[j],m_spellInfo->EffectImplicitTargetB[j]))
382	m_canReflect = true;
383	else
384	m_canReflect = (m_spellInfo->AttributesEx & (1<<7)) ? true : false;
385
386	if(m_canReflect)
387	continue;
388	else
389	break;
390	}
391	}
392
393	CleanupTargetList();
394	}
395
396	Spell::~Spell()
397	{
398	}
399
400	void Spell::FillTargetMap()
401	{
402	// TODO: ADD the correct target FILLS!!!!!!
403
404	for(uint32 i=0;i<3;i++)
405	{
406	// not call for empty effect.
407	// Also some spells use not used effect targets for store targets for dummy effect in triggered spells
408	if(m_spellInfo->Effect[i]==0)
409	continue;
410
411	// TODO: find a way so this is not needed?
412	// for area auras always add caster as target (needed for totems for example)
413	if(IsAreaAuraEffect(m_spellInfo->Effect[i]))
414	AddUnitTarget(m_caster, i);
415
416	std::list<Unit*> tmpUnitMap;
417
418	SetTargetMap(i,m_spellInfo->EffectImplicitTargetA[i],tmpUnitMap);
419	SetTargetMap(i,m_spellInfo->EffectImplicitTargetB[i],tmpUnitMap);
420
421	if(m_targets.HasDest())
422	{
423	switch(m_spellInfo->Effect[i])
424	{
425	case SPELL_EFFECT_SUMMON:
426	case SPELL_EFFECT_SUMMON_WILD:
427	case SPELL_EFFECT_SUMMON_GUARDIAN:
428	case SPELL_EFFECT_SUMMON_PET:
429	case SPELL_EFFECT_SUMMON_POSSESSED:
430	case SPELL_EFFECT_SUMMON_TOTEM:
431	case SPELL_EFFECT_SUMMON_OBJECT_WILD:
432	case SPELL_EFFECT_SUMMON_TOTEM_SLOT1:
433	case SPELL_EFFECT_SUMMON_TOTEM_SLOT2:
434	case SPELL_EFFECT_SUMMON_TOTEM_SLOT3:
435	case SPELL_EFFECT_SUMMON_TOTEM_SLOT4:
436	case SPELL_EFFECT_SUMMON_CRITTER:
437	case SPELL_EFFECT_SUMMON_OBJECT_SLOT1:
438	case SPELL_EFFECT_SUMMON_OBJECT_SLOT2:
439	case SPELL_EFFECT_SUMMON_OBJECT_SLOT3:
440	case SPELL_EFFECT_SUMMON_OBJECT_SLOT4:
441	case SPELL_EFFECT_SUMMON_DEAD_PET:
442	case SPELL_EFFECT_SUMMON_DEMON:
443	case SPELL_EFFECT_ADD_FARSIGHT:
444	{
445	tmpUnitMap.push_back(m_caster);
446	break;
447	}
448	}
449	}
450
451	if(!m_spellInfo->EffectImplicitTargetA[i])
452	{
453	switch(m_spellInfo->Effect[i])
454	{
455	case SPELL_EFFECT_PARRY:
456	case SPELL_EFFECT_BLOCK:
457	case SPELL_EFFECT_SKILL: // always with dummy 3 as A
458	case SPELL_EFFECT_LEARN_SPELL:
459	tmpUnitMap.push_back(m_caster);
460	break;
461	}
462	}
463
464	if(tmpUnitMap.empty())
465	{
466	/*if( m_spellInfo->EffectImplicitTargetA[i]==TARGET_SCRIPT \|\|
467	m_spellInfo->EffectImplicitTargetB[i]==TARGET_SCRIPT \|\|
468	m_spellInfo->EffectImplicitTargetA[i]==TARGET_SCRIPT_COORDINATES \|\|
469	m_spellInfo->EffectImplicitTargetB[i]==TARGET_SCRIPT_COORDINATES )
470	{
471	if(!(m_targets.m_targetMask & TARGET_FLAG_DEST_LOCATION))
472	continue;
473	}*/
474
475	// add here custom effects that need default target.
476	// FOR EVERY TARGET TYPE THERE IS A DIFFERENT FILL!!
477	switch(m_spellInfo->Effect[i])
478	{
479	case SPELL_EFFECT_DUMMY:
480	{
481	switch(m_spellInfo->Id)
482	{
483	case 20577: // Cannibalize
484	{
485	// non-standard target selection
486	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
487	float max_range = GetSpellMaxRange(srange);
488
489	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
490	Cell cell(p);
491	cell.data.Part.reserved = ALL_DISTRICT;
492	cell.SetNoCreate();
493
494	WorldObject* result = NULL;
495
496	Trinity::CannibalizeObjectCheck u_check(m_caster, max_range);
497	Trinity::WorldObjectSearcher<Trinity::CannibalizeObjectCheck > searcher(result, u_check);
498
499	TypeContainerVisitor<Trinity::WorldObjectSearcher<Trinity::CannibalizeObjectCheck >, GridTypeMapContainer > grid_searcher(searcher);
500	CellLock<GridReadGuard> cell_lock(cell, p);
501	cell_lock->Visit(cell_lock, grid_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
502
503	if(!result)
504	{
505	TypeContainerVisitor<Trinity::WorldObjectSearcher<Trinity::CannibalizeObjectCheck >, WorldTypeMapContainer > world_searcher(searcher);
506	cell_lock->Visit(cell_lock, world_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
507	}
508
509	if(result)
510	{
511	switch(result->GetTypeId())
512	{
513	case TYPEID_UNIT:
514	case TYPEID_PLAYER:
515	tmpUnitMap.push_back((Unit*)result);
516	break;
517	case TYPEID_CORPSE:
518	m_targets.setCorpseTarget((Corpse*)result);
519	if(Player* owner = ObjectAccessor::FindPlayer(((Corpse*)result)->GetOwnerGUID()))
520	tmpUnitMap.push_back(owner);
521	break;
522	}
523	}
524	else
525	{
526	// clear cooldown at fail
527	if(m_caster->GetTypeId()==TYPEID_PLAYER)
528	{
529	((Player*)m_caster)->RemoveSpellCooldown(m_spellInfo->Id);
530
531	WorldPacket data(SMSG_CLEAR_COOLDOWN, (4+8));
532	data << uint32(m_spellInfo->Id);
533	data << uint64(m_caster->GetGUID());
534	((Player*)m_caster)->GetSession()->SendPacket(&data);
535	}
536
537	SendCastResult(SPELL_FAILED_NO_EDIBLE_CORPSES);
538	finish(false);
539	}
540	break;
541	}
542	default:
543	if(m_targets.getUnitTarget())
544	tmpUnitMap.push_back(m_targets.getUnitTarget());
545	break;
546	}
547	break;
548	}
549	case SPELL_EFFECT_RESURRECT:
550	case SPELL_EFFECT_CREATE_ITEM:
551	case SPELL_EFFECT_TRIGGER_SPELL:
552	case SPELL_EFFECT_TRIGGER_MISSILE:
553	case SPELL_EFFECT_SKILL_STEP:
554	case SPELL_EFFECT_PROFICIENCY:
555	case SPELL_EFFECT_SELF_RESURRECT:
556	case SPELL_EFFECT_REPUTATION:
557	if(m_targets.getUnitTarget())
558	tmpUnitMap.push_back(m_targets.getUnitTarget());
559	break;
560	case SPELL_EFFECT_SUMMON_PLAYER:
561	if(m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->GetSelection())
562	{
563	Player* target = objmgr.GetPlayer(((Player*)m_caster)->GetSelection());
564	if(target)
565	tmpUnitMap.push_back(target);
566	}
567	break;
568	case SPELL_EFFECT_RESURRECT_NEW:
569	if(m_targets.getUnitTarget())
570	tmpUnitMap.push_back(m_targets.getUnitTarget());
571	if(m_targets.getCorpseTargetGUID())
572	{
573	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
574	if(corpse)
575	{
576	Player* owner = ObjectAccessor::FindPlayer(corpse->GetOwnerGUID());
577	if(owner)
578	tmpUnitMap.push_back(owner);
579	}
580	}
581	break;
582	case SPELL_EFFECT_SUMMON_CHANGE_ITEM:
583	case SPELL_EFFECT_TRANS_DOOR:
584	case SPELL_EFFECT_ADD_FARSIGHT:
585	case SPELL_EFFECT_STUCK:
586	case SPELL_EFFECT_DESTROY_ALL_TOTEMS:
587	tmpUnitMap.push_back(m_caster);
588	break;
589	case SPELL_EFFECT_LEARN_PET_SPELL:
590	if(Pet* pet = m_caster->GetPet())
591	tmpUnitMap.push_back(pet);
592	break;
593	case SPELL_EFFECT_ENCHANT_ITEM:
594	case SPELL_EFFECT_ENCHANT_ITEM_TEMPORARY:
595	case SPELL_EFFECT_DISENCHANT:
596	case SPELL_EFFECT_FEED_PET:
597	case SPELL_EFFECT_PROSPECTING:
598	if(m_targets.getItemTarget())
599	AddItemTarget(m_targets.getItemTarget(), i);
600	break;
601	case SPELL_EFFECT_APPLY_AURA:
602	switch(m_spellInfo->EffectApplyAuraName[i])
603	{
604	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)
605	case SPELL_AURA_ADD_PCT_MODIFIER:
606	tmpUnitMap.push_back(m_caster);
607	break;
608	default: // apply to target in other case
609	break;
610	}
611	break;
612	case SPELL_EFFECT_APPLY_AREA_AURA_PARTY:
613	// AreaAura
614	if(m_spellInfo->Attributes == 0x9050000 \|\| m_spellInfo->Attributes == 0x10000)
615	SetTargetMap(i,TARGET_AREAEFFECT_PARTY,tmpUnitMap);
616	break;
617	case SPELL_EFFECT_SKIN_PLAYER_CORPSE:
618	if(m_targets.getUnitTarget())
619	{
620	tmpUnitMap.push_back(m_targets.getUnitTarget());
621	}
622	else if (m_targets.getCorpseTargetGUID())
623	{
624	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
625	if(corpse)
626	{
627	Player* owner = ObjectAccessor::FindPlayer(corpse->GetOwnerGUID());
628	if(owner)
629	tmpUnitMap.push_back(owner);
630	}
631	}
632	break;
633	default:
634	break;
635	}
636	}
637	if(IsChanneledSpell(m_spellInfo) && !tmpUnitMap.empty())
638	m_needAliveTargetMask \|= (1<<i);
639
640	if(m_caster->GetTypeId() == TYPEID_PLAYER)
641	{
642	Player me = (Player)m_caster;
643	for (std::list<Unit*>::const_iterator itr = tmpUnitMap.begin(); itr != tmpUnitMap.end(); itr++)
644	{
645	Unit owner = (itr)->GetOwner();
646	Unit u = owner ? owner : (itr);
647	if(u!=m_caster && u->IsPvP() && (!me->duel \|\| me->duel->opponent != u))
648	{
649	me->UpdatePvP(true);
650	me->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_ENTER_PVP_COMBAT);
651	break;
652	}
653	}
654	}
655
656	for (std::list<Unit*>::iterator itr = tmpUnitMap.begin() ; itr != tmpUnitMap.end();)
657	{
658	if(!CheckTarget(*itr, i, false ))
659	{
660	itr = tmpUnitMap.erase(itr);
661	continue;
662	}
663	else
664	++itr;
665	}
666
667	for(std::list<Unit*>::iterator iunit= tmpUnitMap.begin();iunit != tmpUnitMap.end();++iunit)
668	AddUnitTarget((*iunit), i);
669	}
670	}
671
672	void Spell::CleanupTargetList()
673	{
674	m_UniqueTargetInfo.clear();
675	m_UniqueGOTargetInfo.clear();
676	m_UniqueItemInfo.clear();
677	m_countOfHit = 0;
678	m_countOfMiss = 0;
679	m_delayMoment = 0;
680	}
681
682	void Spell::AddUnitTarget(Unit* pVictim, uint32 effIndex)
683	{
684	if( m_spellInfo->Effect[effIndex]==0 )
685	return;
686
687	uint64 targetGUID = pVictim->GetGUID();
688
689	// Lookup target in already in list
690	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
691	{
692	if (targetGUID == ihit->targetGUID) // Found in list
693	{
694	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
695	return;
696	}
697	}
698
699	// This is new target calculate data for him
700
701	// Get spell hit result on target
702	TargetInfo target;
703	target.targetGUID = targetGUID; // Store target GUID
704	target.effectMask = 1<<effIndex; // Store index of effect
705	target.processed = false; // Effects not apply on target
706
707	// Calculate hit result
708	if(m_originalCaster)
709	target.missCondition = m_originalCaster->SpellHitResult(pVictim, m_spellInfo, m_canReflect);
710	else
711	target.missCondition = SPELL_MISS_NONE;
712	if (target.missCondition == SPELL_MISS_NONE)
713	++m_countOfHit;
714	else
715	++m_countOfMiss;
716
717	// Spell have speed - need calculate incoming time
718	if (m_spellInfo->speed > 0.0f)
719	{
720	// calculate spell incoming interval
721	float dist = m_caster->GetDistance(pVictim->GetPositionX(), pVictim->GetPositionY(), pVictim->GetPositionZ());
722	if (dist < 5.0f) dist = 5.0f;
723	target.timeDelay = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
724
725	// Calculate minimum incoming time
726	if (m_delayMoment==0 \|\| m_delayMoment>target.timeDelay)
727	m_delayMoment = target.timeDelay;
728	}
729	else
730	target.timeDelay = 0LL;
731
732	// If target reflect spell back to caster
733	if (target.missCondition==SPELL_MISS_REFLECT)
734	{
735	// Calculate reflected spell result on caster
736	target.reflectResult = m_caster->SpellHitResult(m_caster, m_spellInfo, m_canReflect);
737
738	if (target.reflectResult == SPELL_MISS_REFLECT) // Impossible reflect again, so simply deflect spell
739	target.reflectResult = SPELL_MISS_PARRY;
740
741	// Increase time interval for reflected spells by 1.5
742	target.timeDelay+=target.timeDelay>>1;
743	}
744	else
745	target.reflectResult = SPELL_MISS_NONE;
746
747	// Add target to list
748	m_UniqueTargetInfo.push_back(target);
749	}
750
751	void Spell::AddUnitTarget(uint64 unitGUID, uint32 effIndex)
752	{
753	Unit* unit = m_caster->GetGUID()==unitGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, unitGUID);
754	if (unit)
755	AddUnitTarget(unit, effIndex);
756	}
757
758	void Spell::AddGOTarget(GameObject* pVictim, uint32 effIndex)
759	{
760	if( m_spellInfo->Effect[effIndex]==0 )
761	return;
762
763	uint64 targetGUID = pVictim->GetGUID();
764
765	// Lookup target in already in list
766	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
767	{
768	if (targetGUID == ihit->targetGUID) // Found in list
769	{
770	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
771	return;
772	}
773	}
774
775	// This is new target calculate data for him
776
777	GOTargetInfo target;
778	target.targetGUID = targetGUID;
779	target.effectMask = 1<<effIndex;
780	target.processed = false; // Effects not apply on target
781
782	// Spell have speed - need calculate incoming time
783	if (m_spellInfo->speed > 0.0f)
784	{
785	// calculate spell incoming interval
786	float dist = m_caster->GetDistance(pVictim->GetPositionX(), pVictim->GetPositionY(), pVictim->GetPositionZ());
787	if (dist < 5.0f) dist = 5.0f;
788	target.timeDelay = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
789	if (m_delayMoment==0 \|\| m_delayMoment>target.timeDelay)
790	m_delayMoment = target.timeDelay;
791	}
792	else
793	target.timeDelay = 0LL;
794
795	++m_countOfHit;
796
797	// Add target to list
798	m_UniqueGOTargetInfo.push_back(target);
799	}
800
801	void Spell::AddGOTarget(uint64 goGUID, uint32 effIndex)
802	{
803	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, goGUID);
804	if (go)
805	AddGOTarget(go, effIndex);
806	}
807
808	void Spell::AddItemTarget(Item* pitem, uint32 effIndex)
809	{
810	if( m_spellInfo->Effect[effIndex]==0 )
811	return;
812
813	// Lookup target in already in list
814	for(std::list<ItemTargetInfo>::iterator ihit= m_UniqueItemInfo.begin();ihit != m_UniqueItemInfo.end();++ihit)
815	{
816	if (pitem == ihit->item) // Found in list
817	{
818	ihit->effectMask \|= 1<<effIndex; // Add only effect mask
819	return;
820	}
821	}
822
823	// This is new target add data
824
825	ItemTargetInfo target;
826	target.item = pitem;
827	target.effectMask = 1<<effIndex;
828	m_UniqueItemInfo.push_back(target);
829	}
830
831	void Spell::doTriggers(SpellMissInfo missInfo, uint32 damage, SpellSchoolMask damageSchoolMask, uint32 block, uint32 absorb, bool crit)
832	{
833	// Do triggers depends from hit result (triggers on hit do in effects)
834	// Set aura states depends from hit result
835	if (missInfo!=SPELL_MISS_NONE)
836	{
837	// Miss/dodge/parry/block only for melee based spells
838	// Resist only for magic based spells
839	switch (missInfo)
840	{
841	case SPELL_MISS_MISS:
842	if(m_caster->GetTypeId()== TYPEID_PLAYER)
843	((Player*)m_caster)->UpdateWeaponSkill(BASE_ATTACK);
844
845	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_MISS, m_spellInfo, m_IsTriggeredSpell);
846	break;
847	case SPELL_MISS_RESIST:
848	m_caster->ProcDamageAndSpell(unitTarget, PROC_FLAG_TARGET_RESISTS, PROC_FLAG_RESIST_SPELL, 0, damageSchoolMask, m_spellInfo, m_IsTriggeredSpell);
849	break;
850	case SPELL_MISS_DODGE:
851	if(unitTarget->GetTypeId() == TYPEID_PLAYER)
852	((Player*)unitTarget)->UpdateDefense();
853
854	// Overpower
855	if (m_caster->GetTypeId() == TYPEID_PLAYER && m_caster->getClass() == CLASS_WARRIOR)
856	{
857	((Player*) m_caster)->AddComboPoints(unitTarget, 1);
858	m_caster->StartReactiveTimer( REACTIVE_OVERPOWER );
859	}
860
861	// Riposte
862	if (unitTarget->getClass() != CLASS_ROGUE)
863	{
864	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
865	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
866	}
867
868	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_DODGE, m_spellInfo, m_IsTriggeredSpell);
869	break;
870	case SPELL_MISS_PARRY:
871	// Update victim defense ?
872	if(unitTarget->GetTypeId() == TYPEID_PLAYER)
873	((Player*)unitTarget)->UpdateDefense();
874	// Mongoose bite - set only Counterattack here
875	if (unitTarget->getClass() == CLASS_HUNTER)
876	{
877	unitTarget->ModifyAuraState(AURA_STATE_HUNTER_PARRY,true);
878	unitTarget->StartReactiveTimer( REACTIVE_HUNTER_PARRY );
879	}
880	else
881	{
882	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
883	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
884	}
885	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_PARRY, m_spellInfo, m_IsTriggeredSpell);
886	break;
887	case SPELL_MISS_BLOCK:
888	unitTarget->ModifyAuraState(AURA_STATE_DEFENSE, true);
889	unitTarget->StartReactiveTimer( REACTIVE_DEFENSE );
890
891	m_caster->CastMeleeProcDamageAndSpell(unitTarget, 0, damageSchoolMask, m_attackType, MELEE_HIT_BLOCK, m_spellInfo, m_IsTriggeredSpell);
892	break;
893	// Trigger from this events not supported
894	case SPELL_MISS_EVADE:
895	case SPELL_MISS_IMMUNE:
896	case SPELL_MISS_IMMUNE2:
897	case SPELL_MISS_DEFLECT:
898	case SPELL_MISS_ABSORB:
899	// Trigger from reflects need do after get reflect result
900	case SPELL_MISS_REFLECT:
901	break;
902	default:
903	break;
904	}
905	}
906	}
907
908	void Spell::DoAllEffectOnTarget(TargetInfo *target)
909	{
910	if (target->processed) // Check target
911	return;
912	target->processed = true; // Target checked in apply effects procedure
913
914	// Get mask of effects for target
915	uint32 mask = target->effectMask;
916	if (mask == 0) // No effects
917	return;
918
919	Unit* unit = m_caster->GetGUID()==target->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster,target->targetGUID);
920	if (!unit)
921	return;
922
923	SpellMissInfo missInfo = target->missCondition;
924	// Need init unitTarget by default unit (can changed in code on reflect)
925	// Or on missInfo!=SPELL_MISS_NONE unitTarget undefined (but need in trigger subsystem)
926	unitTarget = unit;
927
928	if (missInfo==SPELL_MISS_NONE) // In case spell hit target, do all effect on that target
929	DoSpellHitOnUnit(unit, mask);
930	else if (missInfo == SPELL_MISS_REFLECT) // In case spell reflect from target, do all effect on caster (if hit)
931	{
932	if (target->reflectResult == SPELL_MISS_NONE) // If reflected spell hit caster -> do all effect on him
933	DoSpellHitOnUnit(m_caster, mask);
934	}
935
936	// Do triggers only on miss/resist/parry/dodge
937	if (missInfo!=SPELL_MISS_NONE)
938	doTriggers(missInfo);
939
940	// Call scripted function for AI if this spell is casted upon a creature (except pets)
941	if(IS_CREATURE_GUID(target->targetGUID))
942	{
943	// cast at creature (or GO) quest objectives update at successful cast finished (+channel finished)
944	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
945	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() && !IsChannelActive() )
946	((Player*)m_caster)->CastedCreatureOrGO(unit->GetEntry(),unit->GetGUID(),m_spellInfo->Id);
947	}
948
949	if( !m_caster->IsFriendlyTo(unit) && !IsPositiveSpell(m_spellInfo->Id))
950	{
951	if( !(m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_NO_INITIAL_AGGRO) )
952	{
953	if(!unit->IsStandState() && !unit->hasUnitState(UNIT_STAT_STUNNED))
954	unit->SetStandState(PLAYER_STATE_NONE);
955
956	if(!unit->isInCombat() && unit->GetTypeId() != TYPEID_PLAYER && ((Creature*)unit)->AI())
957	((Creature*)unit)->AI()->AttackStart(m_caster);
958
959	unit->SetInCombatWith(m_caster);
960	m_caster->SetInCombatWith(unit);
961
962	if(Player *attackedPlayer = unit->GetCharmerOrOwnerPlayerOrPlayerItself())
963	m_caster->SetContestedPvP(attackedPlayer);
964	}
965	}
966	}
967
968	void Spell::DoSpellHitOnUnit(Unit *unit, const uint32 effectMask)
969	{
970	if(!unit \|\| !effectMask)
971	return;
972
973	// remove spell_magnet aura after first spell redirect and destroy target if its totem
974	if(m_magnetPair.first && m_magnetPair.second && m_magnetPair.second == unit)
975	{
976	if(unit->GetTypeId() == TYPEID_UNIT && ((Creature*)unit)->isTotem())
977	unit->DealDamage(unit,unit->GetHealth(), NULL, DIRECT_DAMAGE, SPELL_SCHOOL_MASK_NORMAL, NULL, false);
978	return;
979	}
980
981	// Recheck immune (only for delayed spells)
982	if( m_spellInfo->speed && (
983	unit->IsImmunedToDamage(GetSpellSchoolMask(m_spellInfo),true) \|\|
984	unit->IsImmunedToSpell(m_spellInfo,true) ))
985	{
986	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_IMMUNE);
987	return;
988	}
989
990	if( m_caster != unit )
991	{
992	if( !m_caster->IsFriendlyTo(unit) )
993	{
994	// for delayed spells ignore not visible explicit target
995	if(m_spellInfo->speed > 0.0f && unit==m_targets.getUnitTarget() && !unit->isVisibleForOrDetect(m_caster,false))
996	{
997	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_EVADE);
998	return;
999	}
1000
1001	//if(!IsPositiveSpell(m_spellInfo->Id))
1002	{
1003	//do not remove feign death
1004	unit->RemoveInterruptableAura(AURA_INTERRUPT_FLAG_STEALTH + AURA_INTERRUPT_FLAG_DAMAGE);
1005	}
1006	}
1007	else
1008	{
1009	// for delayed spells ignore negative spells (after duel end) for friendly targets
1010	// TODO: this cause soul transfer bugged
1011	if(m_spellInfo->speed > 0.0f && !IsPositiveSpell(m_spellInfo->Id))
1012	{
1013	m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_EVADE);
1014	return;
1015	}
1016
1017	// assisting case, healing and resurrection
1018	if(unit->hasUnitState(UNIT_STAT_ATTACK_PLAYER))
1019	m_caster->SetContestedPvP();
1020	if( unit->isInCombat() && !(m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_NO_INITIAL_AGGRO) )
1021	{
1022	m_caster->SetInCombatState(unit->GetCombatTimer() > 0);
1023	unit->getHostilRefManager().threatAssist(m_caster, 0.0f);
1024	}
1025	}
1026	}
1027
1028	// Get Data Needed for Diminishing Returns, some effects may have multiple auras, so this must be done on spell hit, not aura add
1029	m_diminishGroup = GetDiminishingReturnsGroupForSpell(m_spellInfo,m_triggeredByAuraSpell);
1030	m_diminishLevel = unit->GetDiminishing(m_diminishGroup);
1031	// Increase Diminishing on unit, current informations for actually casts will use values above
1032	if((GetDiminishingReturnsGroupType(m_diminishGroup) == DRTYPE_PLAYER && unit->GetTypeId() == TYPEID_PLAYER) \|\| GetDiminishingReturnsGroupType(m_diminishGroup) == DRTYPE_ALL)
1033	unit->IncrDiminishing(m_diminishGroup);
1034
1035	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1036	{
1037	if (effectMask & (1<<effectNumber))
1038	{
1039	HandleEffects(unit,NULL,NULL,effectNumber,m_damageMultipliers[effectNumber]);
1040	if ( m_applyMultiplierMask & (1 << effectNumber) )
1041	{
1042	// Get multiplier
1043	float multiplier = m_spellInfo->DmgMultiplier[effectNumber];
1044	// Apply multiplier mods
1045	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
1046	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_EFFECT_PAST_FIRST, multiplier,this);
1047	m_damageMultipliers[effectNumber] *= multiplier;
1048	}
1049	}
1050	}
1051
1052	if(unit->GetTypeId() == TYPEID_UNIT && ((Creature*)unit)->AI())
1053	((Creature*)unit)->AI()->SpellHit(m_caster, m_spellInfo);
1054
1055	if(m_caster->GetTypeId() == TYPEID_UNIT && ((Creature*)m_caster)->AI())
1056	((Creature*)m_caster)->AI()->SpellHitTarget(unit, m_spellInfo);
1057
1058	if(const std::vector<int32> *spell_triggered = spellmgr.GetSpellLinked(m_spellInfo->Id + 1000000))
1059	{
1060	for(std::vector<int32>::const_iterator i = spell_triggered->begin(); i != spell_triggered->end(); ++i)
1061	{
1062	if(spell_triggered < 0)
1063	unit->RemoveAurasDueToSpell(-(*i));
1064	else
1065	unit->CastSpell(unit, *i, true, 0, 0, m_caster->GetGUID());
1066	}
1067	}
1068	}
1069
1070	void Spell::DoAllEffectOnTarget(GOTargetInfo *target)
1071	{
1072	if (target->processed) // Check target
1073	return;
1074	target->processed = true; // Target checked in apply effects procedure
1075
1076	uint32 effectMask = target->effectMask;
1077	if(!effectMask)
1078	return;
1079
1080	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, target->targetGUID);
1081	if(!go)
1082	return;
1083
1084	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1085	if (effectMask & (1<<effectNumber))
1086	HandleEffects(NULL,NULL,go,effectNumber);
1087
1088	// cast at creature (or GO) quest objectives update at successful cast finished (+channel finished)
1089	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
1090	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() && !IsChannelActive() )
1091	((Player*)m_caster)->CastedCreatureOrGO(go->GetEntry(),go->GetGUID(),m_spellInfo->Id);
1092	}
1093
1094	void Spell::DoAllEffectOnTarget(ItemTargetInfo *target)
1095	{
1096	uint32 effectMask = target->effectMask;
1097	if(!target->item \|\| !effectMask)
1098	return;
1099
1100	for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
1101	if (effectMask & (1<<effectNumber))
1102	HandleEffects(NULL, target->item, NULL, effectNumber);
1103	}
1104
1105	bool Spell::IsAliveUnitPresentInTargetList()
1106	{
1107	// Not need check return true
1108	if (m_needAliveTargetMask == 0)
1109	return true;
1110
1111	uint8 needAliveTargetMask = m_needAliveTargetMask;
1112
1113	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
1114	{
1115	if( ihit->missCondition == SPELL_MISS_NONE && (needAliveTargetMask & ihit->effectMask) )
1116	{
1117	Unit unit = m_caster->GetGUID()==ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
1118
1119	if (unit && unit->isAlive())
1120	needAliveTargetMask &= ~ihit->effectMask; // remove from need alive mask effect that have alive target
1121	}
1122	}
1123
1124	// is all effects from m_needAliveTargetMask have alive targets
1125	return needAliveTargetMask==0;
1126	}
1127
1128	// Helper for Chain Healing
1129	// Spell target first
1130	// Raidmates then descending by injury suffered (MaxHealth - Health)
1131	// Other players/mobs then descending by injury suffered (MaxHealth - Health)
1132	struct ChainHealingOrder : public std::binary_function<const Unit, const Unit, bool>
1133	{
1134	const Unit* MainTarget;
1135	ChainHealingOrder(Unit const* Target) : MainTarget(Target) {};
1136	// functor for operator ">"
1137	bool operator()(Unit const* _Left, Unit const* _Right) const
1138	{
1139	return (ChainHealingHash(_Left) < ChainHealingHash(_Right));
1140	}
1141	int32 ChainHealingHash(Unit const* Target) const
1142	{
1143	if (Target == MainTarget)
1144	return 0;
1145	else if (Target->GetTypeId() == TYPEID_PLAYER && MainTarget->GetTypeId() == TYPEID_PLAYER &&
1146	((Player const)Target)->IsInSameRaidWith((Player const)MainTarget))
1147	{
1148	if (Target->GetHealth() == Target->GetMaxHealth())
1149	return 40000;
1150	else
1151	return 20000 - Target->GetMaxHealth() + Target->GetHealth();
1152	}
1153	else
1154	return 40000 - Target->GetMaxHealth() + Target->GetHealth();
1155	}
1156	};
1157
1158	class ChainHealingFullHealth: std::unary_function<const Unit*, bool>
1159	{
1160	public:
1161	const Unit* MainTarget;
1162	ChainHealingFullHealth(const Unit* Target) : MainTarget(Target) {};
1163
1164	bool operator()(const Unit* Target)
1165	{
1166	return (Target != MainTarget && Target->GetHealth() == Target->GetMaxHealth());
1167	}
1168	};
1169
1170	// Helper for targets nearest to the spell target
1171	// The spell target is always first unless there is a target at _completely_ the same position (unbelievable case)
1172	struct TargetDistanceOrder : public std::binary_function<const Unit, const Unit, bool>
1173	{
1174	const Unit* MainTarget;
1175	TargetDistanceOrder(const Unit* Target) : MainTarget(Target) {};
1176	// functor for operator ">"
1177	bool operator()(const Unit* _Left, const Unit* _Right) const
1178	{
1179	return (MainTarget->GetDistance(_Left) < MainTarget->GetDistance(_Right));
1180	}
1181	};
1182
1183	void Spell::SearchChainTarget(std::list<Unit> &TagUnitMap, Unit pUnitTarget, float max_range, uint32 unMaxTargets)
1184	{
1185	if(!pUnitTarget)
1186	return;
1187
1188	//FIXME: This very like horrible hack and wrong for most spells
1189	if(m_spellInfo->DmgClass != SPELL_DAMAGE_CLASS_MELEE)
1190	max_range += unMaxTargets * CHAIN_SPELL_JUMP_RADIUS;
1191
1192	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1193	Cell cell(p);
1194	cell.data.Part.reserved = ALL_DISTRICT;
1195	cell.SetNoCreate();
1196
1197	std::list<Unit *> tempUnitMap;
1198
1199	{
1200	Trinity::AnyAoETargetUnitInObjectRangeCheck u_check(pUnitTarget, m_caster, max_range);
1201	Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck> searcher(tempUnitMap, u_check);
1202
1203	TypeContainerVisitor<Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck>, WorldTypeMapContainer > world_unit_searcher(searcher);
1204	TypeContainerVisitor<Trinity::UnitListSearcher<Trinity::AnyAoETargetUnitInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1205
1206	CellLock<GridReadGuard> cell_lock(cell, p);
1207	cell_lock->Visit(cell_lock, world_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1208	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1209	}
1210
1211	tempUnitMap.sort(TargetDistanceOrder(pUnitTarget));
1212
1213	if(tempUnitMap.empty())
1214	return;
1215
1216	uint32 t = unMaxTargets;
1217	if(pUnitTarget != m_caster)
1218	{
1219	if(*tempUnitMap.begin() == pUnitTarget)
1220	tempUnitMap.erase(tempUnitMap.begin());
1221	TagUnitMap.push_back(pUnitTarget);
1222	--t;
1223	}
1224	Unit *prev = pUnitTarget;
1225
1226	std::list<Unit*>::iterator next = tempUnitMap.begin();
1227
1228	while(t && next != tempUnitMap.end())
1229	{
1230	if(prev->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
1231	break;
1232
1233	if(!prev->IsWithinLOSInMap(*next)
1234	\|\| m_spellInfo->DmgClass==SPELL_DAMAGE_CLASS_MELEE && !m_caster->isInFront(*next, max_range))
1235	{
1236	++next;
1237	continue;
1238	}
1239
1240	prev = *next;
1241	TagUnitMap.push_back(prev);
1242	tempUnitMap.erase(next);
1243	tempUnitMap.sort(TargetDistanceOrder(prev));
1244	next = tempUnitMap.begin();
1245	--t;
1246	}
1247	}
1248
1249	void Spell::SearchAreaTarget(std::list<Unit*> &TagUnitMap, float radius, const uint32 &type, SpellTargets TargetType, uint32 entry)
1250	{
1251	float x, y;
1252	if(type == PUSH_DEST_CENTER)
1253	{
1254	if(!m_targets.HasDest())
1255	{
1256	sLog.outError( "SPELL: cannot find destination for spell ID %u\n", m_spellInfo->Id );
1257	return;
1258	}
1259	x = m_targets.m_destX;
1260	y = m_targets.m_destY;
1261	}
1262	else
1263	{
1264	x = m_caster->GetPositionX();
1265	y = m_caster->GetPositionY();
1266	}
1267
1268	CellPair p(Trinity::ComputeCellPair(x, y));
1269	Cell cell(p);
1270	cell.data.Part.reserved = ALL_DISTRICT;
1271	cell.SetNoCreate();
1272	CellLock<GridReadGuard> cell_lock(cell, p);
1273
1274	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, type, TargetType, entry);
1275
1276	if(TargetType != SPELL_TARGETS_ENTRY)
1277	{
1278	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1279	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1280	}
1281	if(!spellmgr.GetSpellExtraAttr(m_spellInfo->Id, SPELL_EXTRA_ATTR_MAX_TARGETS))
1282	{
1283	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1284	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1285	}
1286	}
1287
1288	Unit* Spell::SearchNearbyTarget(float radius, SpellTargets TargetType, uint32 entry)
1289	{
1290	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1291	Cell cell(p);
1292	cell.data.Part.reserved = ALL_DISTRICT;
1293	cell.SetNoCreate();
1294	CellLock<GridReadGuard> cell_lock(cell, p);
1295
1296	Unit* target = NULL;
1297	switch(TargetType)
1298	{
1299	case SPELL_TARGETS_ENTRY:
1300	{
1301	Creature* target = NULL;
1302	Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck u_check(*m_caster, entry, true, radius);
1303	Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck> searcher(target, u_check);
1304	TypeContainerVisitor<Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1305	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1306	return target;
1307	}break;
1308	default:
1309	case SPELL_TARGETS_AOE_DAMAGE:
1310	{
1311	Trinity::AnyUnfriendlyUnitInObjectRangeCheck u_check(m_caster, m_caster, radius);
1312	Trinity::UnitLastSearcher<Trinity::AnyUnfriendlyUnitInObjectRangeCheck> searcher(target, u_check);
1313	TypeContainerVisitor<Trinity::UnitLastSearcher<Trinity::AnyUnfriendlyUnitInObjectRangeCheck>, WorldTypeMapContainer > world_unit_searcher(searcher);
1314	TypeContainerVisitor<Trinity::UnitLastSearcher<Trinity::AnyUnfriendlyUnitInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1315	cell_lock->Visit(cell_lock, world_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1316	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1317	}break;
1318	case SPELL_TARGETS_FRIENDLY:
1319	{
1320	Trinity::AnyFriendlyUnitInObjectRangeCheck u_check(m_caster, m_caster, radius);
1321	Trinity::UnitLastSearcher<Trinity::AnyFriendlyUnitInObjectRangeCheck> searcher(target, u_check);
1322	TypeContainerVisitor<Trinity::UnitLastSearcher<Trinity::AnyFriendlyUnitInObjectRangeCheck>, WorldTypeMapContainer > world_unit_searcher(searcher);
1323	TypeContainerVisitor<Trinity::UnitLastSearcher<Trinity::AnyFriendlyUnitInObjectRangeCheck>, GridTypeMapContainer > grid_unit_searcher(searcher);
1324	cell_lock->Visit(cell_lock, world_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1325	cell_lock->Visit(cell_lock, grid_unit_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1326	}break;
1327	}
1328	return target;
1329	}
1330
1331	void Spell::SetTargetMap(uint32 i,uint32 cur,std::list<Unit*> &TagUnitMap)
1332	{
1333	float radius;
1334	if (m_spellInfo->EffectRadiusIndex[i])
1335	radius = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
1336	else
1337	radius = GetSpellMaxRange(sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex));
1338
1339	uint32 EffectChainTarget = m_spellInfo->EffectChainTarget[i];
1340	uint32 unMaxTargets = m_spellInfo->MaxAffectedTargets;
1341	if(!unMaxTargets)
1342	unMaxTargets = spellmgr.GetSpellExtraAttr(m_spellInfo->Id, SPELL_EXTRA_ATTR_MAX_TARGETS);
1343	if(m_originalCaster)
1344	{
1345	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
1346	{
1347	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_RADIUS, radius,this);
1348	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_JUMP_TARGETS, EffectChainTarget, this);
1349	}
1350	}
1351
1352	switch(cur)
1353	{
1354	// specific unit
1355	case TARGET_SELF:
1356	case TARGET_SELF_FISHING:
1357	{
1358	TagUnitMap.push_back(m_caster);
1359	}break;
1360	case TARGET_MASTER:
1361	{
1362	if(Unit* owner = m_caster->GetCharmerOrOwner())
1363	TagUnitMap.push_back(owner);
1364	}break;
1365	case TARGET_PET:
1366	{
1367	if(Pet* tmpUnit = m_caster->GetPet())
1368	TagUnitMap.push_back(tmpUnit);
1369	}break;
1370	case TARGET_NONCOMBAT_PET:
1371	{
1372	if(Unit* target = m_targets.getUnitTarget())
1373	if( target->GetTypeId() == TYPEID_UNIT && ((Creature)target)->isPet() && ((Pet)target)->getPetType() == MINI_PET)
1374	TagUnitMap.push_back(target);
1375	}break;
1376	case TARGET_SINGLE_FRIEND: // ally
1377	case TARGET_SINGLE_FRIEND_2: // raid member
1378	case TARGET_DUELVSPLAYER: // all (SelectMagnetTarget()?)
1379	case TARGET_UNIT_SINGLE_UNKNOWN:
1380	{
1381	if(m_targets.getUnitTarget())
1382	TagUnitMap.push_back(m_targets.getUnitTarget());
1383	}break;
1384	case TARGET_CHAIN_DAMAGE:
1385	{
1386	if(Unit* pUnitTarget = SelectMagnetTarget())
1387	{
1388	if(EffectChainTarget <= 1)
1389	TagUnitMap.push_back(pUnitTarget);
1390	else //TODO: chain target should also use magnet target
1391	SearchChainTarget(TagUnitMap, pUnitTarget, radius, EffectChainTarget);
1392	}
1393	}break;
1394	case TARGET_GAMEOBJECT:
1395	{
1396	if(m_targets.getGOTarget())
1397	AddGOTarget(m_targets.getGOTarget(), i);
1398	}break;
1399	case TARGET_GAMEOBJECT_ITEM:
1400	{
1401	if(m_targets.getGOTargetGUID())
1402	AddGOTarget(m_targets.getGOTarget(), i);
1403	else if(m_targets.getItemTarget())
1404	AddItemTarget(m_targets.getItemTarget(), i);
1405	}break;
1406
1407	// channel
1408	case TARGET_SINGLE_ENEMY:
1409	if(m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL])
1410	{
1411	if(Unit* target = m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL]->m_targets.getUnitTarget())
1412	TagUnitMap.push_back(target);
1413	else
1414	sLog.outError( "SPELL: cannot find channel spell target for spell ID %u\n", m_spellInfo->Id );
1415	}
1416	else
1417	sLog.outError( "SPELL: no current channeled spell for spell ID %u\n", m_spellInfo->Id );
1418	break;
1419	case TARGET_DEST_CHANNEL:
1420	if(m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL])
1421	{
1422	if(m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL]->m_targets.HasDest())
1423	m_targets = m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL]->m_targets;
1424	else
1425	sLog.outError( "SPELL: cannot find channel spell destination for spell ID %u\n", m_spellInfo->Id );
1426	}
1427	else
1428	sLog.outError( "SPELL: no current channeled spell for spell ID %u\n", m_spellInfo->Id );
1429	break;
1430
1431	// reference dest
1432	case TARGET_EFFECT_SELECT:
1433	m_targets.setDestination(m_caster, true);
1434	break;
1435	case TARGET_ALL_AROUND_CASTER:
1436	m_targets.setDestination(m_caster, false);
1437	break;
1438	case TARGET_CURRENT_ENEMY_COORDINATES:
1439	m_targets.setDestination(m_targets.getUnitTarget(), true);
1440	break;
1441	case TARGET_DUELVSPLAYER_COORDINATES: // no ground?
1442	m_targets.setDestination(m_targets.getUnitTarget(), false);
1443	break;
1444	case TARGET_DEST_TABLE_UNKNOWN2:
1445	case TARGET_TABLE_X_Y_Z_COORDINATES:
1446	if(SpellTargetPosition const* st = spellmgr.GetSpellTargetPosition(m_spellInfo->Id))
1447	{
1448	//TODO: fix this check
1449	if(m_spellInfo->Effect[0] == SPELL_EFFECT_TELEPORT_UNITS
1450	\|\| m_spellInfo->Effect[1] == SPELL_EFFECT_TELEPORT_UNITS
1451	\|\| m_spellInfo->Effect[2] == SPELL_EFFECT_TELEPORT_UNITS)
1452	m_targets.setDestination(st->target_X, st->target_Y, st->target_Z, true, (int32)st->target_mapId);
1453	else if(st->target_mapId == m_caster->GetMapId())
1454	m_targets.setDestination(st->target_X, st->target_Y, st->target_Z);
1455	}
1456	else
1457	sLog.outError( "SPELL: unknown target coordinates for spell ID %u\n", m_spellInfo->Id );
1458	break;
1459	case TARGET_INNKEEPER_COORDINATES:
1460	if(m_caster->GetTypeId() == TYPEID_PLAYER)
1461	m_targets.setDestination(((Player)m_caster)->m_homebindX,((Player)m_caster)->m_homebindY,((Player)m_caster)->m_homebindZ, true, ((Player)m_caster)->m_homebindMapId);
1462	break;
1463
1464	// area targets
1465	case TARGET_ALL_ENEMY_IN_AREA_INSTANT:
1466	if(m_spellInfo->Effect[i] == SPELL_EFFECT_PERSISTENT_AREA_AURA)
1467	break;
1468	m_targets.m_targetMask \|= TARGET_FLAG_DEST_LOCATION;
1469	case TARGET_ALL_ENEMY_IN_AREA:
1470	SearchAreaTarget(TagUnitMap, radius, PUSH_DEST_CENTER, SPELL_TARGETS_AOE_DAMAGE);
1471	break;
1472	case TARGET_ALL_FRIENDLY_UNITS_IN_AREA:
1473	m_targets.m_targetMask \|= TARGET_FLAG_DEST_LOCATION;
1474	case TARGET_ALL_FRIENDLY_UNITS_AROUND_CASTER:
1475	SearchAreaTarget(TagUnitMap, radius, PUSH_DEST_CENTER, SPELL_TARGETS_FRIENDLY);
1476	break;
1477	case TARGET_AREAEFFECT_CUSTOM:
1478	m_targets.m_targetMask \|= TARGET_FLAG_DEST_LOCATION;
1479	case TARGET_UNIT_AREA_ENTRY:
1480	{
1481	SpellScriptTarget::const_iterator lower = spellmgr.GetBeginSpellScriptTarget(m_spellInfo->Id);
1482	SpellScriptTarget::const_iterator upper = spellmgr.GetEndSpellScriptTarget(m_spellInfo->Id);
1483	if(lower==upper)
1484	{
1485	SearchAreaTarget(TagUnitMap, radius, PUSH_DEST_CENTER, SPELL_TARGETS_AOE_DAMAGE);
1486	//sLog.outErrorDb("Spell (ID: %u) has effect EffectImplicitTargetA/EffectImplicitTargetB = TARGET_SCRIPT, but does not have record in `spell_script_target`",m_spellInfo->Id);
1487	break;
1488	}
1489	// let it be done in one check?
1490	for(SpellScriptTarget::const_iterator i_spellST = lower; i_spellST != upper; ++i_spellST)
1491	{
1492	if(i_spellST->second.type != SPELL_TARGET_TYPE_CREATURE)
1493	{
1494	sLog.outError( "SPELL: spell ID %u requires non-creature target\n", m_spellInfo->Id );
1495	continue;
1496	}
1497	SearchAreaTarget(TagUnitMap, radius, PUSH_DEST_CENTER, SPELL_TARGETS_ENTRY, i_spellST->second.targetEntry);
1498	}
1499	}break;
1500	case TARGET_IN_FRONT_OF_CASTER:
1501	case TARGET_UNIT_CONE_ENEMY_UNKNOWN:
1502	switch(spellmgr.GetSpellExtraAttr(m_spellInfo->Id, SPELL_EXTRA_ATTR_CONE_TYPE))
1503	{
1504	default:
1505	case 0:
1506	SearchAreaTarget(TagUnitMap, radius, PUSH_IN_FRONT, SPELL_TARGETS_AOE_DAMAGE);
1507	break;
1508	case 1:
1509	SearchAreaTarget(TagUnitMap, radius, PUSH_IN_BACK, SPELL_TARGETS_AOE_DAMAGE);
1510	break;
1511	case 2:
1512	SearchAreaTarget(TagUnitMap, radius, PUSH_IN_LINE, SPELL_TARGETS_AOE_DAMAGE);
1513	break;
1514	}break;
1515	case TARGET_UNIT_CONE_ALLY:
1516	SearchAreaTarget(TagUnitMap, radius, PUSH_IN_FRONT, SPELL_TARGETS_FRIENDLY);
1517	break;
1518
1519	// nearby target
1520	case TARGET_UNIT_NEARBY_ALLY:
1521	{
1522	if(Unit* pUnitTarget = SearchNearbyTarget(radius, SPELL_TARGETS_FRIENDLY))
1523	TagUnitMap.push_back(pUnitTarget);
1524	}break;
1525	case TARGET_RANDOM_ENEMY_CHAIN_IN_AREA:
1526	{
1527	if(EffectChainTarget <= 1)
1528	{
1529	if(Unit* pUnitTarget = SearchNearbyTarget(radius, SPELL_TARGETS_AOE_DAMAGE))
1530	TagUnitMap.push_back(pUnitTarget);
1531	}
1532	else
1533	SearchChainTarget(TagUnitMap, m_caster, radius, EffectChainTarget);
1534	}break;
1535	case TARGET_SCRIPT:
1536	case TARGET_SCRIPT_COORDINATES:
1537	{
1538	SpellScriptTarget::const_iterator lower = spellmgr.GetBeginSpellScriptTarget(m_spellInfo->Id);
1539	SpellScriptTarget::const_iterator upper = spellmgr.GetEndSpellScriptTarget(m_spellInfo->Id);
1540	if(lower==upper)
1541	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);
1542
1543	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
1544	float range = GetSpellMaxRange(srange);
1545
1546	Creature* creatureScriptTarget = NULL;
1547	GameObject* goScriptTarget = NULL;
1548
1549	for(SpellScriptTarget::const_iterator i_spellST = lower; i_spellST != upper; ++i_spellST)
1550	{
1551	switch(i_spellST->second.type)
1552	{
1553	case SPELL_TARGET_TYPE_GAMEOBJECT:
1554	{
1555	GameObject* p_GameObject = NULL;
1556
1557	if(i_spellST->second.targetEntry)
1558	{
1559	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1560	Cell cell(p);
1561	cell.data.Part.reserved = ALL_DISTRICT;
1562
1563	Trinity::NearestGameObjectEntryInObjectRangeCheck go_check(*m_caster,i_spellST->second.targetEntry,range);
1564	Trinity::GameObjectLastSearcher<Trinity::NearestGameObjectEntryInObjectRangeCheck> checker(p_GameObject,go_check);
1565
1566	TypeContainerVisitor<Trinity::GameObjectLastSearcher<Trinity::NearestGameObjectEntryInObjectRangeCheck>, GridTypeMapContainer > object_checker(checker);
1567	CellLock<GridReadGuard> cell_lock(cell, p);
1568	cell_lock->Visit(cell_lock, object_checker, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1569
1570	if(p_GameObject)
1571	{
1572	// remember found target and range, next attempt will find more near target with another entry
1573	creatureScriptTarget = NULL;
1574	goScriptTarget = p_GameObject;
1575	range = go_check.GetLastRange();
1576	}
1577	}
1578	else if( focusObject ) //Focus Object
1579	{
1580	float frange = m_caster->GetDistance(focusObject);
1581	if(range >= frange)
1582	{
1583	creatureScriptTarget = NULL;
1584	goScriptTarget = focusObject;
1585	range = frange;
1586	}
1587	}
1588	break;
1589	}
1590	case SPELL_TARGET_TYPE_CREATURE:
1591	case SPELL_TARGET_TYPE_DEAD:
1592	default:
1593	{
1594	Creature *p_Creature = NULL;
1595
1596	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1597	Cell cell(p);
1598	cell.data.Part.reserved = ALL_DISTRICT;
1599	cell.SetNoCreate(); // Really don't know what is that???
1600
1601	Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck u_check(*m_caster,i_spellST->second.targetEntry,i_spellST->second.type!=SPELL_TARGET_TYPE_DEAD,range);
1602	Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck> searcher(p_Creature, u_check);
1603
1604	TypeContainerVisitor<Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck>, GridTypeMapContainer > grid_creature_searcher(searcher);
1605
1606	CellLock<GridReadGuard> cell_lock(cell, p);
1607	cell_lock->Visit(cell_lock, grid_creature_searcher, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1608
1609	if(p_Creature )
1610	{
1611	creatureScriptTarget = p_Creature;
1612	goScriptTarget = NULL;
1613	range = u_check.GetLastRange();
1614	}
1615	break;
1616	}
1617	}
1618	}
1619
1620	if(cur == TARGET_SCRIPT_COORDINATES)
1621	{
1622	if(creatureScriptTarget)
1623	m_targets.setDestination(creatureScriptTarget->GetPositionX(),creatureScriptTarget->GetPositionY(),creatureScriptTarget->GetPositionZ());
1624	else if(goScriptTarget)
1625	m_targets.setDestination(goScriptTarget->GetPositionX(),goScriptTarget->GetPositionY(),goScriptTarget->GetPositionZ());
1626	}
1627	else
1628	{
1629	if(creatureScriptTarget)
1630	TagUnitMap.push_back(creatureScriptTarget);
1631	else if(goScriptTarget)
1632	AddGOTarget(goScriptTarget, i);
1633	}
1634	}break;
1635
1636	// dummy
1637	case TARGET_AREAEFFECT_CUSTOM_2:
1638	{
1639	TagUnitMap.push_back(m_caster);
1640	break;
1641	}
1642
1643	case TARGET_ALL_PARTY_AROUND_CASTER:
1644	case TARGET_ALL_PARTY_AROUND_CASTER_2:
1645	case TARGET_ALL_PARTY:
1646	{
1647	Player *pTarget = m_caster->GetCharmerOrOwnerPlayerOrPlayerItself();
1648	Group *pGroup = pTarget ? pTarget->GetGroup() : NULL;
1649
1650	if(pGroup)
1651	{
1652	uint8 subgroup = pTarget->GetSubGroup();
1653
1654	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1655	{
1656	Player* Target = itr->getSource();
1657
1658	// IsHostileTo check duel and controlled by enemy
1659	if( Target && Target->GetSubGroup()==subgroup && !m_caster->IsHostileTo(Target) )
1660	{
1661	if( m_caster->IsWithinDistInMap(Target, radius) )
1662	TagUnitMap.push_back(Target);
1663
1664	if(Pet* pet = Target->GetPet())
1665	if( m_caster->IsWithinDistInMap(pet, radius) )
1666	TagUnitMap.push_back(pet);
1667	}
1668	}
1669	}
1670	else
1671	{
1672	Unit* ownerOrSelf = pTarget ? pTarget : m_caster->GetCharmerOrOwnerOrSelf();
1673	if(ownerOrSelf==m_caster \|\| m_caster->IsWithinDistInMap(ownerOrSelf, radius))
1674	TagUnitMap.push_back(ownerOrSelf);
1675	if(Pet* pet = ownerOrSelf->GetPet())
1676	if( m_caster->IsWithinDistInMap(pet, radius) )
1677	TagUnitMap.push_back(pet);
1678	}
1679	}break;
1680	case TARGET_RANDOM_RAID_MEMBER:
1681	{
1682	if (m_caster->GetTypeId() == TYPEID_PLAYER)
1683	if(Player* target = ((Player*)m_caster)->GetNextRandomRaidMember(radius))
1684	TagUnitMap.push_back(target);
1685	}break;
1686	// TARGET_SINGLE_PARTY means that the spells can only be casted on a party member and not on the caster (some sceals, fire shield from imp, etc..)
1687	case TARGET_SINGLE_PARTY:
1688	{
1689	Unit *target = m_targets.getUnitTarget();
1690	// Thoses spells apparently can't be casted on the caster.
1691	if( target && target != m_caster)
1692	{
1693	// Can only be casted on group's members or its pets
1694	Group *pGroup = NULL;
1695
1696	Unit* owner = m_caster->GetCharmerOrOwner();
1697	Unit *targetOwner = target->GetCharmerOrOwner();
1698	if(owner)
1699	{
1700	if(owner->GetTypeId() == TYPEID_PLAYER)
1701	{
1702	if( target == owner )
1703	{
1704	TagUnitMap.push_back(target);
1705	break;
1706	}
1707	pGroup = ((Player*)owner)->GetGroup();
1708	}
1709	}
1710	else if (m_caster->GetTypeId() == TYPEID_PLAYER)
1711	{
1712	if( targetOwner == m_caster && target->GetTypeId()==TYPEID_UNIT && ((Creature*)target)->isPet())
1713	{
1714	TagUnitMap.push_back(target);
1715	break;
1716	}
1717	pGroup = ((Player*)m_caster)->GetGroup();
1718	}
1719
1720	if(pGroup)
1721	{
1722	// Our target can also be a player's pet who's grouped with us or our pet. But can't be controlled player
1723	if(targetOwner)
1724	{
1725	if( targetOwner->GetTypeId() == TYPEID_PLAYER &&
1726	target->GetTypeId()==TYPEID_UNIT && (((Creature*)target)->isPet()) &&
1727	target->GetOwnerGUID()==targetOwner->GetGUID() &&
1728	pGroup->IsMember(((Player*)targetOwner)->GetGUID()))
1729	{
1730	TagUnitMap.push_back(target);
1731	}
1732	}
1733	// 1Our target can be a player who is on our group
1734	else if (target->GetTypeId() == TYPEID_PLAYER && pGroup->IsMember(((Player*)target)->GetGUID()))
1735	{
1736	TagUnitMap.push_back(target);
1737	}
1738	}
1739	}
1740	}break;
1741	case TARGET_ALL_ENEMY_IN_AREA_CHANNELED:
1742	{
1743	// targets the ground, not the units in the area
1744	if (m_spellInfo->Effect[i]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
1745	{
1746	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1747	Cell cell(p);
1748	cell.data.Part.reserved = ALL_DISTRICT;
1749	cell.SetNoCreate();
1750
1751	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, PUSH_DEST_CENTER,SPELL_TARGETS_AOE_DAMAGE);
1752
1753	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1754	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1755
1756	CellLock<GridReadGuard> cell_lock(cell, p);
1757	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1758	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1759	}
1760	}break;
1761	case TARGET_AREAEFFECT_PARTY:
1762	{
1763	Unit* owner = m_caster->GetCharmerOrOwner();
1764	Player *pTarget = NULL;
1765
1766	if(owner)
1767	{
1768	TagUnitMap.push_back(m_caster);
1769	if(owner->GetTypeId() == TYPEID_PLAYER)
1770	pTarget = (Player*)owner;
1771	}
1772	else if (m_caster->GetTypeId() == TYPEID_PLAYER)
1773	{
1774	if(Unit* target = m_targets.getUnitTarget())
1775	{
1776	if( target->GetTypeId() != TYPEID_PLAYER)
1777	{
1778	if(((Creature*)target)->isPet())
1779	{
1780	Unit *targetOwner = target->GetOwner();
1781	if(targetOwner->GetTypeId() == TYPEID_PLAYER)
1782	pTarget = (Player*)targetOwner;
1783	}
1784	}
1785	else
1786	pTarget = (Player*)target;
1787	}
1788	}
1789
1790	Group* pGroup = pTarget ? pTarget->GetGroup() : NULL;
1791
1792	if(pGroup)
1793	{
1794	uint8 subgroup = pTarget->GetSubGroup();
1795
1796	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1797	{
1798	Player* Target = itr->getSource();
1799
1800	// IsHostileTo check duel and controlled by enemy
1801	if(Target && Target->GetSubGroup()==subgroup && !m_caster->IsHostileTo(Target))
1802	{
1803	if( pTarget->IsWithinDistInMap(Target, radius) )
1804	TagUnitMap.push_back(Target);
1805
1806	if(Pet* pet = Target->GetPet())
1807	if( pTarget->IsWithinDistInMap(pet, radius) )
1808	TagUnitMap.push_back(pet);
1809	}
1810	}
1811	}
1812	else if (owner)
1813	{
1814	if(m_caster->IsWithinDistInMap(owner, radius))
1815	TagUnitMap.push_back(owner);
1816	}
1817	else if(pTarget)
1818	{
1819	TagUnitMap.push_back(pTarget);
1820
1821	if(Pet* pet = pTarget->GetPet())
1822	if( m_caster->IsWithinDistInMap(pet, radius) )
1823	TagUnitMap.push_back(pet);
1824	}
1825
1826	}break;
1827	case TARGET_CHAIN_HEAL:
1828	{
1829	Unit* pUnitTarget = m_targets.getUnitTarget();
1830	if(!pUnitTarget)
1831	break;
1832
1833	if (EffectChainTarget <= 1)
1834	TagUnitMap.push_back(pUnitTarget);
1835	else
1836	{
1837	unMaxTargets = EffectChainTarget;
1838	float max_range = radius + unMaxTargets * CHAIN_SPELL_JUMP_RADIUS;
1839
1840	std::list<Unit *> tempUnitMap;
1841
1842	{
1843	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
1844	Cell cell(p);
1845	cell.data.Part.reserved = ALL_DISTRICT;
1846	cell.SetNoCreate();
1847
1848	Trinity::SpellNotifierCreatureAndPlayer notifier(*this, tempUnitMap, max_range, PUSH_SELF_CENTER, SPELL_TARGETS_FRIENDLY);
1849
1850	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, WorldTypeMapContainer > world_object_notifier(notifier);
1851	TypeContainerVisitor<Trinity::SpellNotifierCreatureAndPlayer, GridTypeMapContainer > grid_object_notifier(notifier);
1852
1853	CellLock<GridReadGuard> cell_lock(cell, p);
1854	cell_lock->Visit(cell_lock, world_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1855	cell_lock->Visit(cell_lock, grid_object_notifier, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
1856
1857	}
1858
1859	if(m_caster != pUnitTarget && std::find(tempUnitMap.begin(),tempUnitMap.end(),m_caster) == tempUnitMap.end() )
1860	tempUnitMap.push_front(m_caster);
1861
1862	tempUnitMap.sort(TargetDistanceOrder(pUnitTarget));
1863
1864	if(tempUnitMap.empty())
1865	break;
1866
1867	if(*tempUnitMap.begin() == pUnitTarget)
1868	tempUnitMap.erase(tempUnitMap.begin());
1869
1870	TagUnitMap.push_back(pUnitTarget);
1871	uint32 t = unMaxTargets - 1;
1872	Unit *prev = pUnitTarget;
1873	std::list<Unit*>::iterator next = tempUnitMap.begin();
1874
1875	while(t && next != tempUnitMap.end() )
1876	{
1877	if(prev->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
1878	break;
1879
1880	if(!prev->IsWithinLOSInMap(*next))
1881	{
1882	++next;
1883	continue;
1884	}
1885
1886	if((next)->GetHealth() == (next)->GetMaxHealth())
1887	{
1888	next = tempUnitMap.erase(next);
1889	continue;
1890	}
1891
1892	prev = *next;
1893	TagUnitMap.push_back(prev);
1894	tempUnitMap.erase(next);
1895	tempUnitMap.sort(TargetDistanceOrder(prev));
1896	next = tempUnitMap.begin();
1897
1898	--t;
1899	}
1900	}
1901	}break;
1902	case TARGET_AREAEFFECT_PARTY_AND_CLASS:
1903	{
1904	Player* targetPlayer = m_targets.getUnitTarget() && m_targets.getUnitTarget()->GetTypeId() == TYPEID_PLAYER
1905	? (Player*)m_targets.getUnitTarget() : NULL;
1906
1907	Group* pGroup = targetPlayer ? targetPlayer->GetGroup() : NULL;
1908	if(pGroup)
1909	{
1910	for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
1911	{
1912	Player* Target = itr->getSource();
1913
1914	// IsHostileTo check duel and controlled by enemy
1915	if( Target && targetPlayer->IsWithinDistInMap(Target, radius) &&
1916	targetPlayer->getClass() == Target->getClass() &&
1917	!m_caster->IsHostileTo(Target) )
1918	{
1919	TagUnitMap.push_back(Target);
1920	}
1921	}
1922	}
1923	else if(m_targets.getUnitTarget())
1924	TagUnitMap.push_back(m_targets.getUnitTarget());
1925	break;
1926	}
1927
1928	// destination around caster
1929	case TARGET_DEST_CASTER_FRONT_LEFT:
1930	case TARGET_DEST_CASTER_BACK_LEFT:
1931	case TARGET_DEST_CASTER_BACK_RIGHT:
1932	case TARGET_DEST_CASTER_FRONT_RIGHT:
1933	case TARGET_DEST_CASTER_FRONT:
1934	case TARGET_MINION:
1935	case TARGET_DEST_CASTER_FRONT_LEAP:
1936	case TARGET_DEST_CASTER_FRONT_UNKNOWN:
1937	case TARGET_DEST_CASTER_BACK:
1938	case TARGET_DEST_CASTER_RIGHT:
1939	case TARGET_DEST_CASTER_LEFT:
1940	case TARGET_DEST_CASTER_RANDOM:
1941	case TARGET_DEST_CASTER_RADIUS:
1942	{
1943	float x, y, z, angle, dist;
1944
1945	if (m_spellInfo->EffectRadiusIndex[i])
1946	dist = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
1947	else
1948	dist = 3.0f;//do we need this?
1949	if (cur == TARGET_DEST_CASTER_RANDOM)
1950	dist *= rand_norm(); // This case we need to consider caster size
1951	else
1952	dist -= m_caster->GetObjectSize(); // Size is calculated in GetNearPoint(), but we do not need it
1953	//need a new function to remove this repeated work
1954
1955	switch(cur)
1956	{
1957	case TARGET_DEST_CASTER_FRONT_LEFT: angle = -M_PI/4; break;
1958	case TARGET_DEST_CASTER_BACK_LEFT: angle = -3*M_PI/4; break;
1959	case TARGET_DEST_CASTER_BACK_RIGHT: angle = 3*M_PI/4; break;
1960	case TARGET_DEST_CASTER_FRONT_RIGHT:angle = M_PI/4; break;
1961	case TARGET_MINION:
1962	case TARGET_DEST_CASTER_FRONT_LEAP:
1963	case TARGET_DEST_CASTER_FRONT_UNKNOWN:
1964	case TARGET_DEST_CASTER_FRONT: angle = 0.0f; break;
1965	case TARGET_DEST_CASTER_BACK: angle = M_PI; break;
1966	case TARGET_DEST_CASTER_RIGHT: angle = M_PI/2; break;
1967	case TARGET_DEST_CASTER_LEFT: angle = -M_PI/2; break;
1968	default: angle = rand_norm()2M_PI; break;
1969	}
1970
1971	m_caster->GetClosePoint(x, y, z, 0, dist, angle);
1972	m_targets.setDestination(x, y, z); // do not know if has ground visual
1973	}break;
1974
1975	// destination around target
1976	case TARGET_DEST_TARGET_FRONT:
1977	case TARGET_DEST_TARGET_BACK:
1978	case TARGET_DEST_TARGET_RIGHT:
1979	case TARGET_DEST_TARGET_LEFT:
1980	case TARGET_DEST_TARGET_RANDOM:
1981	case TARGET_DEST_TARGET_RADIUS:
1982	{
1983	Unit *target = m_targets.getUnitTarget();
1984	if(!target)
1985	{
1986	sLog.outError("SPELL: no unit target for spell ID %u\n", m_spellInfo->Id);
1987	break;
1988	}
1989
1990	float x, y, z, angle, dist;
1991
1992	if (m_spellInfo->EffectRadiusIndex[i])
1993	dist = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
1994	else
1995	dist = 3.0f;//do we need this?
1996	if (cur == TARGET_DEST_TARGET_RANDOM)
1997	dist *= rand_norm(); // This case we need to consider caster size
1998	else
1999	dist -= target->GetObjectSize(); // Size is calculated in GetNearPoint(), but we do not need it
2000	//need a new function to remove this repeated work
2001
2002	switch(cur)
2003	{
2004	case TARGET_DEST_TARGET_FRONT: angle = 0.0f; break;
2005	case TARGET_DEST_TARGET_BACK: angle = M_PI; break;
2006	case TARGET_DEST_TARGET_RIGHT: angle = M_PI/2; break;
2007	case TARGET_DEST_TARGET_LEFT: angle = -M_PI/2; break;
2008	default: angle = rand_norm()2M_PI; break;
2009	}
2010
2011	target->GetClosePoint(x, y, z, 0, dist, angle);
2012	m_targets.setDestination(x, y, z); // do not know if has ground visual
2013	}break;
2014
2015	// destination around destination
2016	case TARGET_DEST_DEST_RANDOM:
2017	{
2018	if(!m_targets.HasDest())
2019	{
2020	sLog.outError("SPELL: no destination for spell ID %u\n", m_spellInfo->Id);
2021	break;
2022	}
2023	float x, y, z, dist, px, py, pz;
2024	dist = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
2025	x = m_targets.m_destX;
2026	y = m_targets.m_destY;
2027	z = m_targets.m_destZ;
2028	m_caster->GetRandomPoint(x, y, z, dist, px, py, pz);
2029	m_targets.setDestination(px, py, pz);
2030	}break;
2031	case TARGET_SELF2:
2032	if(!m_targets.HasDest())
2033	{
2034	sLog.outError("SPELL: no destination for spell ID %u\n", m_spellInfo->Id);
2035	break;
2036	}
2037	break;
2038	default:
2039	break;
2040	}
2041
2042	if (unMaxTargets && TagUnitMap.size() > unMaxTargets)
2043	{
2044	// make sure one unit is always removed per iteration
2045	uint32 removed_utarget = 0;
2046	for (std::list<Unit*>::iterator itr = TagUnitMap.begin(), next; itr != TagUnitMap.end(); itr = next)
2047	{
2048	next = itr;
2049	++next;
2050	if (!*itr) continue;
2051	if ((*itr) == m_targets.getUnitTarget())
2052	{
2053	TagUnitMap.erase(itr);
2054	removed_utarget = 1;
2055	// break;
2056	}
2057	}
2058	// remove random units from the map
2059	while (TagUnitMap.size() > unMaxTargets - removed_utarget)
2060	{
2061	uint32 poz = urand(0, TagUnitMap.size()-1);
2062	for (std::list<Unit*>::iterator itr = TagUnitMap.begin(); itr != TagUnitMap.end(); ++itr, --poz)
2063	{
2064	if (!*itr) continue;
2065	if (!poz)
2066	{
2067	TagUnitMap.erase(itr);
2068	break;
2069	}
2070	}
2071	}
2072	// the player's target will always be added to the map
2073	if (removed_utarget && m_targets.getUnitTarget())
2074	TagUnitMap.push_back(m_targets.getUnitTarget());
2075	}
2076	}
2077
2078	void Spell::prepare(SpellCastTargets * targets, Aura* triggeredByAura)
2079	{
2080	m_targets = *targets;
2081
2082	m_spellState = SPELL_STATE_PREPARING;
2083
2084	m_caster->GetPosition(m_castPositionX, m_castPositionY, m_castPositionZ);
2085	m_castOrientation = m_caster->GetOrientation();
2086
2087	if(triggeredByAura)
2088	m_triggeredByAuraSpell = triggeredByAura->GetSpellProto();
2089
2090	// create and add update event for this spell
2091	SpellEvent* Event = new SpellEvent(this);
2092	m_caster->m_Events.AddEvent(Event, m_caster->m_Events.CalculateTime(1));
2093
2094	//Prevent casting at cast another spell (ServerSide check)
2095	if(m_caster->IsNonMeleeSpellCasted(false, true) && m_cast_count)
2096	{
2097	SendCastResult(SPELL_FAILED_SPELL_IN_PROGRESS);
2098	finish(false);
2099	return;
2100	}
2101
2102	if(m_caster->GetTypeId() == TYPEID_PLAYER \|\| (m_caster->GetTypeId() == TYPEID_UNIT && ((Creature*)m_caster)->isPet()))
2103	{
2104	if(objmgr.IsPlayerSpellDisabled(m_spellInfo->Id))
2105	{
2106	SendCastResult(SPELL_FAILED_SPELL_UNAVAILABLE);
2107	finish(false);
2108	return;
2109	}
2110	}
2111	else
2112	{
2113	if(objmgr.IsCreatureSpellDisabled(m_spellInfo->Id))
2114	{
2115	finish(false);
2116	return;
2117	}
2118	}
2119
2120	// Fill cost data
2121	m_powerCost = CalculatePowerCost();
2122
2123	uint8 result = CanCast(true);
2124	if(result != 0 && !IsAutoRepeat()) //always cast autorepeat dummy for triggering
2125	{
2126	if(triggeredByAura)
2127	{
2128	SendChannelUpdate(0);
2129	triggeredByAura->SetAuraDuration(0);
2130	}
2131	SendCastResult(result);
2132	finish(false);
2133	return;
2134	}
2135
2136	// calculate cast time (calculated after first CanCast check to prevent charge counting for first CanCast fail)
2137	m_casttime = GetSpellCastTime(m_spellInfo, this);
2138
2139	// set timer base at cast time
2140	ReSetTimer();
2141
2142	// stealth must be removed at cast starting (at show channel bar)
2143	// skip triggered spell (item equip spell casting and other not explicit character casts/item uses)
2144	if ( !m_IsTriggeredSpell && isSpellBreakStealth(m_spellInfo) )
2145	{
2146	m_caster->RemoveInterruptableAura(AURA_INTERRUPT_FLAG_STEALTH);
2147	}
2148
2149	if(m_IsTriggeredSpell)
2150	cast(true);
2151	else
2152	{
2153	m_caster->SetCurrentCastedSpell( this );
2154	m_selfContainer = &(m_caster->m_currentSpells[GetCurrentContainer()]);
2155	SendSpellStart();
2156	}
2157	}
2158
2159	void Spell::cancel()
2160	{
2161	if(m_spellState == SPELL_STATE_FINISHED)
2162	return;
2163
2164	m_autoRepeat = false;
2165	switch (m_spellState)
2166	{
2167	case SPELL_STATE_PREPARING:
2168	case SPELL_STATE_DELAYED:
2169	{
2170	SendInterrupted(0);
2171	SendCastResult(SPELL_FAILED_INTERRUPTED);
2172	} break;
2173
2174	case SPELL_STATE_CASTING:
2175	{
2176	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2177	{
2178	if( ihit->missCondition == SPELL_MISS_NONE )
2179	{
2180	Unit* unit = m_caster->GetGUID()==(ihit).targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
2181	if( unit && unit->isAlive() )
2182	unit->RemoveAurasDueToSpell(m_spellInfo->Id);
2183	}
2184	}
2185
2186	m_caster->RemoveAurasDueToSpell(m_spellInfo->Id);
2187	SendChannelUpdate(0);
2188	SendInterrupted(0);
2189	SendCastResult(SPELL_FAILED_INTERRUPTED);
2190	} break;
2191
2192	default:
2193	{
2194	} break;
2195	}
2196
2197	finish(false);
2198	m_caster->RemoveDynObject(m_spellInfo->Id);
2199	m_caster->RemoveGameObject(m_spellInfo->Id,true);
2200	}
2201
2202	void Spell::cast(bool skipCheck)
2203	{
2204	uint8 castResult = 0;
2205
2206	// update pointers base at GUIDs to prevent access to non-existed already object
2207	UpdatePointers();
2208
2209	// cancel at lost main target unit
2210	if(!m_targets.getUnitTarget() && m_targets.getUnitTargetGUID() && m_targets.getUnitTargetGUID() != m_caster->GetGUID())
2211	{
2212	cancel();
2213	return;
2214	}
2215
2216	if(m_caster->GetTypeId() != TYPEID_PLAYER && m_targets.getUnitTarget() && m_targets.getUnitTarget() != m_caster)
2217	m_caster->SetInFront(m_targets.getUnitTarget());
2218
2219	castResult = CheckPower();
2220	if(castResult != 0)
2221	{
2222	SendCastResult(castResult);
2223	finish(false);
2224	return;
2225	}
2226
2227	// triggered cast called from Spell::prepare where it was already checked
2228	if(!skipCheck)
2229	{
2230	castResult = CanCast(false);
2231	if(castResult != 0)
2232	{
2233	SendCastResult(castResult);
2234	finish(false);
2235	return;
2236	}
2237	}
2238
2239	FillTargetMap();
2240
2241	// who did this hack?
2242	// Conflagrate - consumes immolate
2243	if ((m_spellInfo->TargetAuraState == AURA_STATE_IMMOLATE) && m_targets.getUnitTarget())
2244	{
2245	// for caster applied auras only
2246	Unit::AuraList const &mPeriodic = m_targets.getUnitTarget()->GetAurasByType(SPELL_AURA_PERIODIC_DAMAGE);
2247	for(Unit::AuraList::const_iterator i = mPeriodic.begin(); i != mPeriodic.end(); ++i)
2248	{
2249	if( (i)->GetSpellProto()->SpellFamilyName == SPELLFAMILY_WARLOCK && ((i)->GetSpellProto()->SpellFamilyFlags & 4) &&
2250	(*i)->GetCasterGUID()==m_caster->GetGUID() )
2251	{
2252	m_targets.getUnitTarget()->RemoveAura((i)->GetId(), (i)->GetEffIndex());
2253	break;
2254	}
2255	}
2256	}
2257
2258	if(const std::vector<int32> *spell_triggered = spellmgr.GetSpellLinked(m_spellInfo->Id))
2259	{
2260	for(std::vector<int32>::const_iterator i = spell_triggered->begin(); i != spell_triggered->end(); ++i)
2261	{
2262	if(spell_triggered < 0)
2263	m_caster->RemoveAurasDueToSpell(-(*i));
2264	else
2265	m_caster->CastSpell(m_targets.getUnitTarget() ? m_targets.getUnitTarget() : m_caster, *i, true);
2266	}
2267	}
2268
2269	// traded items have trade slot instead of guid in m_itemTargetGUID
2270	// set to real guid to be sent later to the client
2271	m_targets.updateTradeSlotItem();
2272
2273	// CAST SPELL
2274	SendSpellCooldown();
2275
2276	TakePower();
2277	TakeReagents(); // we must remove reagents before HandleEffects to allow place crafted item in same slot
2278
2279	if(m_spellState == SPELL_STATE_FINISHED) // stop cast if spell marked as finish somewhere in Take*/FillTargetMap
2280	return;
2281
2282	SendCastResult(castResult);
2283	SendSpellGo(); // we must send smsg_spell_go packet before m_castItem delete in TakeCastItem()...
2284
2285	// Pass cast spell event to handler (not send triggered by aura spells)
2286	if (m_spellInfo->DmgClass != SPELL_DAMAGE_CLASS_MELEE && m_spellInfo->DmgClass != SPELL_DAMAGE_CLASS_RANGED && !m_triggeredByAuraSpell)
2287	{
2288	m_caster->ProcDamageAndSpell(m_targets.getUnitTarget(), PROC_FLAG_CAST_SPELL, PROC_FLAG_NONE, 0, SPELL_SCHOOL_MASK_NONE, m_spellInfo, m_IsTriggeredSpell);
2289
2290	// update pointers base at GUIDs to prevent access to non-existed already object
2291	UpdatePointers(); // pointers can be invalidate at triggered spell casting
2292	}
2293
2294	// Okay, everything is prepared. Now we need to distinguish between immediate and evented delayed spells
2295	if (m_spellInfo->speed > 0.0f)
2296	{
2297
2298	// Remove used for cast item if need (it can be already NULL after TakeReagents call
2299	// in case delayed spell remove item at cast delay start
2300	TakeCastItem();
2301
2302	// Okay, maps created, now prepare flags
2303	m_immediateHandled = false;
2304	m_spellState = SPELL_STATE_DELAYED;
2305	SetDelayStart(0);
2306	}
2307	else
2308	{
2309	// Immediate spell, no big deal
2310	handle_immediate();
2311	}
2312	}
2313
2314	void Spell::handle_immediate()
2315	{
2316	// start channeling if applicable
2317	if(IsChanneledSpell(m_spellInfo))
2318	{
2319	m_spellState = SPELL_STATE_CASTING;
2320	SendChannelStart(GetSpellDuration(m_spellInfo));
2321	}
2322
2323	// process immediate effects (items, ground, etc.) also initialize some variables
2324	_handle_immediate_phase();
2325
2326	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2327	DoAllEffectOnTarget(&(*ihit));
2328
2329	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
2330	DoAllEffectOnTarget(&(*ihit));
2331
2332	// spell is finished, perform some last features of the spell here
2333	_handle_finish_phase();
2334
2335	// Remove used for cast item if need (it can be already NULL after TakeReagents call
2336	TakeCastItem();
2337
2338	if(m_spellState != SPELL_STATE_CASTING)
2339	finish(true); // successfully finish spell cast (not last in case autorepeat or channel spell)
2340	}
2341
2342	uint64 Spell::handle_delayed(uint64 t_offset)
2343	{
2344	uint64 next_time = 0;
2345
2346	if (!m_immediateHandled)
2347	{
2348	_handle_immediate_phase();
2349	m_immediateHandled = true;
2350	}
2351
2352	// 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)
2353	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin(); ihit != m_UniqueTargetInfo.end();++ihit)
2354	{
2355	if (ihit->processed == false)
2356	{
2357	if ( ihit->timeDelay <= t_offset )
2358	DoAllEffectOnTarget(&(*ihit));
2359	else if( next_time == 0 \|\| ihit->timeDelay < next_time )
2360	next_time = ihit->timeDelay;
2361	}
2362	}
2363
2364	// now recheck gameobject targeting correctness
2365	for(std::list<GOTargetInfo>::iterator ighit= m_UniqueGOTargetInfo.begin(); ighit != m_UniqueGOTargetInfo.end();++ighit)
2366	{
2367	if (ighit->processed == false)
2368	{
2369	if ( ighit->timeDelay <= t_offset )
2370	DoAllEffectOnTarget(&(*ighit));
2371	else if( next_time == 0 \|\| ighit->timeDelay < next_time )
2372	next_time = ighit->timeDelay;
2373	}
2374	}
2375	// All targets passed - need finish phase
2376	if (next_time == 0)
2377	{
2378	// spell is finished, perform some last features of the spell here
2379	_handle_finish_phase();
2380
2381	finish(true); // successfully finish spell cast
2382
2383	// return zero, spell is finished now
2384	return 0;
2385	}
2386	else
2387	{
2388	// spell is unfinished, return next execution time
2389	return next_time;
2390	}
2391	}
2392
2393	void Spell::_handle_immediate_phase()
2394	{
2395	// handle some immediate features of the spell here
2396	HandleThreatSpells(m_spellInfo->Id);
2397
2398	m_needSpellLog = IsNeedSendToClient();
2399	for(uint32 j = 0;j<3;j++)
2400	{
2401	if(m_spellInfo->Effect[j]==0)
2402	continue;
2403
2404	// apply Send Event effect to ground in case empty target lists
2405	if( m_spellInfo->Effect[j] == SPELL_EFFECT_SEND_EVENT && !HaveTargetsForEffect(j) )
2406	{
2407	HandleEffects(NULL,NULL,NULL, j);
2408	continue;
2409	}
2410
2411	// Don't do spell log, if is school damage spell
2412	if(m_spellInfo->Effect[j] == SPELL_EFFECT_SCHOOL_DAMAGE \|\| m_spellInfo->Effect[j] == 0)
2413	m_needSpellLog = false;
2414
2415	uint32 EffectChainTarget = m_spellInfo->EffectChainTarget[j];
2416	if(m_originalCaster)
2417	if(Player* modOwner = m_originalCaster->GetSpellModOwner())
2418	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_JUMP_TARGETS, EffectChainTarget, this);
2419
2420	// initialize multipliers
2421	m_damageMultipliers[j] = 1.0f;
2422	if( (m_spellInfo->EffectImplicitTargetA[j] == TARGET_CHAIN_DAMAGE \|\| m_spellInfo->EffectImplicitTargetA[j] == TARGET_CHAIN_HEAL) &&
2423	(EffectChainTarget > 1) )
2424	m_applyMultiplierMask \|= 1 << j;
2425	}
2426
2427	// initialize Diminishing Returns Data
2428	m_diminishLevel = DIMINISHING_LEVEL_1;
2429	m_diminishGroup = DIMINISHING_NONE;
2430
2431	// process items
2432	for(std::list<ItemTargetInfo>::iterator ihit= m_UniqueItemInfo.begin();ihit != m_UniqueItemInfo.end();++ihit)
2433	DoAllEffectOnTarget(&(*ihit));
2434
2435	// process ground
2436	for(uint32 j = 0;j<3;j++)
2437	{
2438	// persistent area auras target only the ground
2439	if(m_spellInfo->Effect[j] == SPELL_EFFECT_PERSISTENT_AREA_AURA)
2440	HandleEffects(NULL,NULL,NULL, j);
2441	}
2442	}
2443
2444	void Spell::_handle_finish_phase()
2445	{
2446	// spell log
2447	if(m_needSpellLog)
2448	SendLogExecute();
2449	}
2450
2451	void Spell::SendSpellCooldown()
2452	{
2453	if(m_caster->GetTypeId() != TYPEID_PLAYER)
2454	return;
2455
2456	Player* _player = (Player*)m_caster;
2457	// Add cooldown for max (disable spell)
2458	// Cooldown started on SendCooldownEvent call
2459	if (m_spellInfo->Attributes & SPELL_ATTR_DISABLED_WHILE_ACTIVE)
2460	{
2461	_player->AddSpellCooldown(m_spellInfo->Id, 0, time(NULL) - 1);
2462	return;
2463	}
2464
2465	// init cooldown values
2466	uint32 cat = 0;
2467	int32 rec = -1;
2468	int32 catrec = -1;
2469
2470	// some special item spells without correct cooldown in SpellInfo
2471	// cooldown information stored in item prototype
2472	// This used in same way in WorldSession::HandleItemQuerySingleOpcode data sending to client.
2473
2474	if(m_CastItem)
2475	{
2476	ItemPrototype const* proto = m_CastItem->GetProto();
2477	if(proto)
2478	{
2479	for(int idx = 0; idx < 5; ++idx)
2480	{
2481	if(proto->Spells[idx].SpellId == m_spellInfo->Id)
2482	{
2483	cat = proto->Spells[idx].SpellCategory;
2484	rec = proto->Spells[idx].SpellCooldown;
2485	catrec = proto->Spells[idx].SpellCategoryCooldown;
2486	break;
2487	}
2488	}
2489	}
2490	}
2491
2492	// if no cooldown found above then base at DBC data
2493	if(rec < 0 && catrec < 0)
2494	{
2495	cat = m_spellInfo->Category;
2496	rec = m_spellInfo->RecoveryTime;
2497	catrec = m_spellInfo->CategoryRecoveryTime;
2498	}
2499
2500	// shoot spells used equipped item cooldown values already assigned in GetAttackTime(RANGED_ATTACK)
2501	// prevent 0 cooldowns set by another way
2502	if (rec <= 0 && catrec <= 0 && (cat == 76 \|\| cat == 351))
2503	rec = _player->GetAttackTime(RANGED_ATTACK);
2504
2505	// Now we have cooldown data (if found any), time to apply mods
2506	if(rec > 0)
2507	_player->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COOLDOWN, rec, this);
2508
2509	if(catrec > 0)
2510	_player->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COOLDOWN, catrec, this);
2511
2512	// replace negative cooldowns by 0
2513	if (rec < 0) rec = 0;
2514	if (catrec < 0) catrec = 0;
2515
2516	// no cooldown after applying spell mods
2517	if( rec == 0 && catrec == 0)
2518	return;
2519
2520	time_t curTime = time(NULL);
2521
2522	time_t catrecTime = catrec ? curTime+catrec/1000 : 0; // in secs
2523	time_t recTime = rec ? curTime+rec/1000 : catrecTime;// in secs
2524
2525	// self spell cooldown
2526	if(recTime > 0)
2527	_player->AddSpellCooldown(m_spellInfo->Id, m_CastItem ? m_CastItem->GetEntry() : 0, recTime);
2528
2529	// category spells
2530	if (catrec > 0)
2531	{
2532	SpellCategoryStore::const_iterator i_scstore = sSpellCategoryStore.find(cat);
2533	if(i_scstore != sSpellCategoryStore.end())
2534	{
2535	for(SpellCategorySet::const_iterator i_scset = i_scstore->second.begin(); i_scset != i_scstore->second.end(); ++i_scset)
2536	{
2537	if(*i_scset == m_spellInfo->Id) // skip main spell, already handled above
2538	continue;
2539
2540	_player->AddSpellCooldown(m_spellInfo->Id, m_CastItem ? m_CastItem->GetEntry() : 0, catrecTime);
2541	}
2542	}
2543	}
2544	}
2545
2546	void Spell::update(uint32 difftime)
2547	{
2548	// update pointers based at it's GUIDs
2549	UpdatePointers();
2550
2551	if(m_targets.getUnitTargetGUID() && !m_targets.getUnitTarget())
2552	{
2553	cancel();
2554	return;
2555	}
2556
2557	// check if the player caster has moved before the spell finished
2558	if ((m_caster->GetTypeId() == TYPEID_PLAYER && m_timer != 0) &&
2559	(m_castPositionX != m_caster->GetPositionX() \|\| m_castPositionY != m_caster->GetPositionY() \|\| m_castPositionZ != m_caster->GetPositionZ()) &&
2560	(m_spellInfo->Effect[0] != SPELL_EFFECT_STUCK \|\| !m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING)))
2561	{
2562	// always cancel for channeled spells
2563	if( m_spellState == SPELL_STATE_CASTING )
2564	cancel();
2565	// don't cancel for melee, autorepeat, triggered and instant spells
2566	else if(!IsNextMeleeSwingSpell() && !IsAutoRepeat() && !m_IsTriggeredSpell && (m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_MOVEMENT))
2567	cancel();
2568	}
2569
2570	switch(m_spellState)
2571	{
2572	case SPELL_STATE_PREPARING:
2573	{
2574	if(m_timer)
2575	{
2576	if(difftime >= m_timer)
2577	m_timer = 0;
2578	else
2579	m_timer -= difftime;
2580	}
2581
2582	if(m_timer == 0 && !IsNextMeleeSwingSpell() && !IsAutoRepeat())
2583	cast();
2584	} break;
2585	case SPELL_STATE_CASTING:
2586	{
2587	if(m_timer > 0)
2588	{
2589	if( m_caster->GetTypeId() == TYPEID_PLAYER )
2590	{
2591	// check if player has jumped before the channeling finished
2592	if(m_caster->HasUnitMovementFlag(MOVEMENTFLAG_JUMPING))
2593	cancel();
2594
2595	// check for incapacitating player states
2596	if( m_caster->hasUnitState(UNIT_STAT_STUNNED \| UNIT_STAT_CONFUSED))
2597	cancel();
2598
2599	// check if player has turned if flag is set
2600	if( m_spellInfo->ChannelInterruptFlags & CHANNEL_FLAG_TURNING && m_castOrientation != m_caster->GetOrientation() )
2601	cancel();
2602	}
2603
2604	// check if there are alive targets left
2605	if (!IsAliveUnitPresentInTargetList())
2606	{
2607	SendChannelUpdate(0);
2608	finish();
2609	}
2610
2611	if(difftime >= m_timer)
2612	m_timer = 0;
2613	else
2614	m_timer -= difftime;
2615	}
2616
2617	if(m_timer == 0)
2618	{
2619	SendChannelUpdate(0);
2620
2621	// channeled spell processed independently for quest targeting
2622	// cast at creature (or GO) quest objectives update at successful cast channel finished
2623	// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
2624	if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() )
2625	{
2626	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2627	{
2628	TargetInfo* target = &*ihit;
2629	if(!IS_CREATURE_GUID(target->targetGUID))
2630	continue;
2631
2632	Unit* unit = m_caster->GetGUID()==target->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster,target->targetGUID);
2633	if (unit==NULL)
2634	continue;
2635
2636	((Player*)m_caster)->CastedCreatureOrGO(unit->GetEntry(),unit->GetGUID(),m_spellInfo->Id);
2637	}
2638
2639	for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
2640	{
2641	GOTargetInfo* target = &*ihit;
2642
2643	GameObject* go = ObjectAccessor::GetGameObject(*m_caster, target->targetGUID);
2644	if(!go)
2645	continue;
2646
2647	((Player*)m_caster)->CastedCreatureOrGO(go->GetEntry(),go->GetGUID(),m_spellInfo->Id);
2648	}
2649	}
2650
2651	finish();
2652	}
2653	} break;
2654	default:
2655	{
2656	}break;
2657	}
2658	}
2659
2660	void Spell::finish(bool ok)
2661	{
2662	if(!m_caster)
2663	return;
2664
2665	if(m_spellState == SPELL_STATE_FINISHED)
2666	return;
2667
2668	m_spellState = SPELL_STATE_FINISHED;
2669
2670	//remove spell mods
2671	if (m_caster->GetTypeId() == TYPEID_PLAYER)
2672	((Player*)m_caster)->RemoveSpellMods(this);
2673
2674	// other code related only to successfully finished spells
2675	if(!ok)
2676	return;
2677
2678	//handle SPELL_AURA_ADD_TARGET_TRIGGER auras
2679	Unit::AuraList const& targetTriggers = m_caster->GetAurasByType(SPELL_AURA_ADD_TARGET_TRIGGER);
2680	for(Unit::AuraList::const_iterator i = targetTriggers.begin(); i != targetTriggers.end(); ++i)
2681	{
2682	SpellEntry const auraSpellInfo = (i)->GetSpellProto();
2683	uint32 auraSpellIdx = (*i)->GetEffIndex();
2684	if (IsAffectedBy(auraSpellInfo, auraSpellIdx))
2685	{
2686	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2687	if( ihit->effectMask & (1<<auraSpellIdx) )
2688	{
2689	// check m_caster->GetGUID() let load auras at login and speedup most often case
2690	Unit unit = m_caster->GetGUID()== ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(m_caster, ihit->targetGUID);
2691	if (unit && unit->isAlive())
2692	{
2693	// Calculate chance at that moment (can be depend for example from combo points)
2694	int32 chance = m_caster->CalculateSpellDamage(auraSpellInfo, auraSpellIdx, (*i)->GetBasePoints(),unit);
2695
2696	if(roll_chance_i(chance))
2697	m_caster->CastSpell(unit, auraSpellInfo->EffectTriggerSpell[auraSpellIdx], true, NULL, (*i));
2698	}
2699	}
2700	}
2701	}
2702
2703	if (IsMeleeAttackResetSpell())
2704	{
2705	m_caster->resetAttackTimer(BASE_ATTACK);
2706	if(m_caster->haveOffhandWeapon())
2707	m_caster->resetAttackTimer(OFF_ATTACK);
2708	}
2709
2710	/*if (IsRangedAttackResetSpell())
2711	m_caster->resetAttackTimer(RANGED_ATTACK);*/
2712
2713	// Clear combo at finish state
2714	if(m_caster->GetTypeId() == TYPEID_PLAYER && NeedsComboPoints(m_spellInfo))
2715	((Player*)m_caster)->ClearComboPoints();
2716
2717	// call triggered spell only at successful cast (after clear combo points -> for add some if need)
2718	if(!m_TriggerSpells.empty())
2719	TriggerSpell();
2720
2721	// Stop Attack for some spells
2722	if( m_spellInfo->Attributes & SPELL_ATTR_STOP_ATTACK_TARGET )
2723	m_caster->AttackStop();
2724	}
2725
2726	void Spell::SendCastResult(uint8 result)
2727	{
2728	if (m_caster->GetTypeId() != TYPEID_PLAYER)
2729	return;
2730
2731	if(((Player*)m_caster)->GetSession()->PlayerLoading()) // don't send cast results at loading time
2732	return;
2733
2734	if(result != 0)
2735	{
2736	WorldPacket data(SMSG_CAST_FAILED, (4+1+1));
2737	data << uint32(m_spellInfo->Id);
2738	data << uint8(result); // problem
2739	data << uint8(m_cast_count); // single cast or multi 2.3 (0/1)
2740	switch (result)
2741	{
2742	case SPELL_FAILED_REQUIRES_SPELL_FOCUS:
2743	data << uint32(m_spellInfo->RequiresSpellFocus);
2744	break;
2745	case SPELL_FAILED_REQUIRES_AREA:
2746	// hardcode areas limitation case
2747	if( m_spellInfo->Id==41618 \|\| m_spellInfo->Id==41620 )
2748	data << uint32(3842);
2749	else if( m_spellInfo->Id==41617 \|\| m_spellInfo->Id==41619 )
2750	data << uint32(3905);
2751	// normal case
2752	else
2753	data << uint32(m_spellInfo->AreaId);
2754	break;
2755	case SPELL_FAILED_TOTEMS:
2756	if(m_spellInfo->Totem[0])
2757	data << uint32(m_spellInfo->Totem[0]);
2758	if(m_spellInfo->Totem[1])
2759	data << uint32(m_spellInfo->Totem[1]);
2760	break;
2761	case SPELL_FAILED_TOTEM_CATEGORY:
2762	if(m_spellInfo->TotemCategory[0])
2763	data << uint32(m_spellInfo->TotemCategory[0]);
2764	if(m_spellInfo->TotemCategory[1])
2765	data << uint32(m_spellInfo->TotemCategory[1]);
2766	break;
2767	case SPELL_FAILED_EQUIPPED_ITEM_CLASS:
2768	data << uint32(m_spellInfo->EquippedItemClass);
2769	data << uint32(m_spellInfo->EquippedItemSubClassMask);
2770	data << uint32(m_spellInfo->EquippedItemInventoryTypeMask);
2771	break;
2772	}
2773	((Player*)m_caster)->GetSession()->SendPacket(&data);
2774	}
2775	else
2776	{
2777	WorldPacket data(SMSG_CLEAR_EXTRA_AURA_INFO, (8+4));
2778	data.append(m_caster->GetPackGUID());
2779	data << uint32(m_spellInfo->Id);
2780	((Player*)m_caster)->GetSession()->SendPacket(&data);
2781	}
2782	}
2783
2784	void Spell::SendSpellStart()
2785	{
2786	if(!IsNeedSendToClient())
2787	return;
2788
2789	sLog.outDebug("Sending SMSG_SPELL_START id=%u",m_spellInfo->Id);
2790
2791	uint16 castFlags = CAST_FLAG_UNKNOWN1;
2792	if(IsRangedSpell())
2793	castFlags \|= CAST_FLAG_AMMO;
2794
2795	Unit * target;
2796	if(!m_targets.getUnitTarget())
2797	target = m_caster;
2798	else
2799	target = m_targets.getUnitTarget();
2800
2801	WorldPacket data(SMSG_SPELL_START, (8+8+4+4+2));
2802	if(m_CastItem)
2803	data.append(m_CastItem->GetPackGUID());
2804	else
2805	data.append(m_caster->GetPackGUID());
2806
2807	data.append(m_caster->GetPackGUID());
2808	data << uint32(m_spellInfo->Id);
2809	data << uint8(m_cast_count); // single cast or multi 2.3 (0/1)
2810	data << uint16(castFlags);
2811	data << uint32(m_timer);
2812
2813	m_targets.write(&data);
2814
2815	if( castFlags & CAST_FLAG_AMMO )
2816	WriteAmmoToPacket(&data);
2817
2818	m_caster->SendMessageToSet(&data, true);
2819	}
2820
2821	void Spell::SendSpellGo()
2822	{
2823	// not send invisible spell casting
2824	if(!IsNeedSendToClient())
2825	return;
2826
2827	sLog.outDebug("Sending SMSG_SPELL_GO id=%u",m_spellInfo->Id);
2828
2829	Unit * target;
2830	if(!m_targets.getUnitTarget())
2831	target = m_caster;
2832	else
2833	target = m_targets.getUnitTarget();
2834
2835	uint16 castFlags = CAST_FLAG_UNKNOWN3;
2836	if(IsRangedSpell())
2837	castFlags \|= CAST_FLAG_AMMO;
2838
2839	WorldPacket data(SMSG_SPELL_GO, 50); // guess size
2840	if(m_CastItem)
2841	data.append(m_CastItem->GetPackGUID());
2842	else
2843	data.append(m_caster->GetPackGUID());
2844
2845	data.append(m_caster->GetPackGUID());
2846	data << uint32(m_spellInfo->Id);
2847	data << uint16(castFlags);
2848	data << uint32(getMSTime()); // timestamp
2849
2850	WriteSpellGoTargets(&data);
2851
2852	m_targets.write(&data);
2853
2854	if( castFlags & CAST_FLAG_AMMO )
2855	WriteAmmoToPacket(&data);
2856
2857	m_caster->SendMessageToSet(&data, true);
2858	}
2859
2860	void Spell::WriteAmmoToPacket( WorldPacket * data )
2861	{
2862	uint32 ammoInventoryType = 0;
2863	uint32 ammoDisplayID = 0;
2864
2865	if (m_caster->GetTypeId() == TYPEID_PLAYER)
2866	{
2867	Item pItem = ((Player)m_caster)->GetWeaponForAttack( RANGED_ATTACK );
2868	if(pItem)
2869	{
2870	ammoInventoryType = pItem->GetProto()->InventoryType;
2871	if( ammoInventoryType == INVTYPE_THROWN )
2872	ammoDisplayID = pItem->GetProto()->DisplayInfoID;
2873	else
2874	{
2875	uint32 ammoID = ((Player*)m_caster)->GetUInt32Value(PLAYER_AMMO_ID);
2876	if(ammoID)
2877	{
2878	ItemPrototype const *pProto = objmgr.GetItemPrototype( ammoID );
2879	if(pProto)
2880	{
2881	ammoDisplayID = pProto->DisplayInfoID;
2882	ammoInventoryType = pProto->InventoryType;
2883	}
2884	}
2885	else if(m_caster->GetDummyAura(46699)) // Requires No Ammo
2886	{
2887	ammoDisplayID = 5996; // normal arrow
2888	ammoInventoryType = INVTYPE_AMMO;
2889	}
2890	}
2891	}
2892	}
2893	// TODO: implement selection ammo data based at ranged weapon stored in equipmodel/equipinfo/equipslot fields
2894
2895	*data << uint32(ammoDisplayID);
2896	*data << uint32(ammoInventoryType);
2897	}
2898
2899	void Spell::WriteSpellGoTargets( WorldPacket * data )
2900	{
2901	*data << (uint8)m_countOfHit;
2902	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2903	if ((*ihit).missCondition == SPELL_MISS_NONE) // Add only hits
2904	*data << uint64(ihit->targetGUID);
2905
2906	for(std::list<GOTargetInfo>::iterator ighit= m_UniqueGOTargetInfo.begin();ighit != m_UniqueGOTargetInfo.end();++ighit)
2907	*data << uint64(ighit->targetGUID); // Always hits
2908
2909	*data << (uint8)m_countOfMiss;
2910	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
2911	{
2912	if( ihit->missCondition != SPELL_MISS_NONE ) // Add only miss
2913	{
2914	*data << uint64(ihit->targetGUID);
2915	*data << uint8(ihit->missCondition);
2916	if( ihit->missCondition == SPELL_MISS_REFLECT )
2917	*data << uint8(ihit->reflectResult);
2918	}
2919	}
2920	}
2921
2922	void Spell::SendLogExecute()
2923	{
2924	Unit *target = m_targets.getUnitTarget() ? m_targets.getUnitTarget() : m_caster;
2925
2926	WorldPacket data(SMSG_SPELLLOGEXECUTE, (8+4+4+4+4+8));
2927
2928	if(m_caster->GetTypeId() == TYPEID_PLAYER)
2929	data.append(m_caster->GetPackGUID());
2930	else
2931	data.append(target->GetPackGUID());
2932
2933	data << uint32(m_spellInfo->Id);
2934	uint32 count1 = 1;
2935	data << uint32(count1); // count1 (effect count?)
2936	for(uint32 i = 0; i < count1; ++i)
2937	{
2938	data << uint32(m_spellInfo->Effect[0]); // spell effect?
2939	uint32 count2 = 1;
2940	data << uint32(count2); // count2 (target count?)
2941	for(uint32 j = 0; j < count2; ++j)
2942	{
2943	switch(m_spellInfo->Effect[0])
2944	{
2945	case SPELL_EFFECT_POWER_DRAIN:
2946	if(Unit *unit = m_targets.getUnitTarget())
2947	data.append(unit->GetPackGUID());
2948	else
2949	data << uint8(0);
2950	data << uint32(0);
2951	data << uint32(0);
2952	data << float(0);
2953	break;
2954	case SPELL_EFFECT_ADD_EXTRA_ATTACKS:
2955	if(Unit *unit = m_targets.getUnitTarget())
2956	data.append(unit->GetPackGUID());
2957	else
2958	data << uint8(0);
2959	data << uint32(0); // count?
2960	break;
2961	case SPELL_EFFECT_INTERRUPT_CAST:
2962	if(Unit *unit = m_targets.getUnitTarget())
2963	data.append(unit->GetPackGUID());
2964	else
2965	data << uint8(0);
2966	data << uint32(0); // spellid
2967	break;
2968	case SPELL_EFFECT_DURABILITY_DAMAGE:
2969	if(Unit *unit = m_targets.getUnitTarget())
2970	data.append(unit->GetPackGUID());
2971	else
2972	data << uint8(0);
2973	data << uint32(0);
2974	data << uint32(0);
2975	break;
2976	case SPELL_EFFECT_OPEN_LOCK:
2977	case SPELL_EFFECT_OPEN_LOCK_ITEM:
2978	if(Item *item = m_targets.getItemTarget())
2979	data.append(item->GetPackGUID());
2980	else
2981	data << uint8(0);
2982	break;
2983	case SPELL_EFFECT_CREATE_ITEM:
2984	data << uint32(m_spellInfo->EffectItemType[0]);
2985	break;
2986	case SPELL_EFFECT_SUMMON:
2987	case SPELL_EFFECT_SUMMON_WILD:
2988	case SPELL_EFFECT_SUMMON_GUARDIAN:
2989	case SPELL_EFFECT_TRANS_DOOR:
2990	case SPELL_EFFECT_SUMMON_PET:
2991	case SPELL_EFFECT_SUMMON_POSSESSED:
2992	case SPELL_EFFECT_SUMMON_TOTEM:
2993	case SPELL_EFFECT_SUMMON_OBJECT_WILD:
2994	case SPELL_EFFECT_CREATE_HOUSE:
2995	case SPELL_EFFECT_DUEL:
2996	case SPELL_EFFECT_SUMMON_TOTEM_SLOT1:
2997	case SPELL_EFFECT_SUMMON_TOTEM_SLOT2:
2998	case SPELL_EFFECT_SUMMON_TOTEM_SLOT3:
2999	case SPELL_EFFECT_SUMMON_TOTEM_SLOT4:
3000	case SPELL_EFFECT_SUMMON_PHANTASM:
3001	case SPELL_EFFECT_SUMMON_CRITTER:
3002	case SPELL_EFFECT_SUMMON_OBJECT_SLOT1:
3003	case SPELL_EFFECT_SUMMON_OBJECT_SLOT2:
3004	case SPELL_EFFECT_SUMMON_OBJECT_SLOT3:
3005	case SPELL_EFFECT_SUMMON_OBJECT_SLOT4:
3006	case SPELL_EFFECT_SUMMON_DEMON:
3007	case SPELL_EFFECT_150:
3008	if(Unit *unit = m_targets.getUnitTarget())
3009	data.append(unit->GetPackGUID());
3010	else if(m_targets.getItemTargetGUID())
3011	data.appendPackGUID(m_targets.getItemTargetGUID());
3012	else if(GameObject *go = m_targets.getGOTarget())
3013	data.append(go->GetPackGUID());
3014	else
3015	data << uint8(0); // guid
3016	break;
3017	case SPELL_EFFECT_FEED_PET:
3018	data << uint32(m_targets.getItemTargetEntry());
3019	break;
3020	case SPELL_EFFECT_DISMISS_PET:
3021	if(Unit *unit = m_targets.getUnitTarget())
3022	data.append(unit->GetPackGUID());
3023	else
3024	data << uint8(0);
3025	break;
3026	default:
3027	return;
3028	}
3029	}
3030	}
3031
3032	m_caster->SendMessageToSet(&data, true);
3033	}
3034
3035	void Spell::SendInterrupted(uint8 result)
3036	{
3037	WorldPacket data(SMSG_SPELL_FAILURE, (8+4+1));
3038	data.append(m_caster->GetPackGUID());
3039	data << m_spellInfo->Id;
3040	data << result;
3041	m_caster->SendMessageToSet(&data, true);
3042
3043	data.Initialize(SMSG_SPELL_FAILED_OTHER, (8+4));
3044	data.append(m_caster->GetPackGUID());
3045	data << m_spellInfo->Id;
3046	m_caster->SendMessageToSet(&data, true);
3047	}
3048
3049	void Spell::SendChannelUpdate(uint32 time)
3050	{
3051	if(time == 0)
3052	{
3053	m_caster->SetUInt64Value(UNIT_FIELD_CHANNEL_OBJECT,0);
3054	m_caster->SetUInt32Value(UNIT_CHANNEL_SPELL,0);
3055	}
3056
3057	if (m_caster->GetTypeId() != TYPEID_PLAYER)
3058	return;
3059
3060	WorldPacket data( MSG_CHANNEL_UPDATE, 8+4 );
3061	data.append(m_caster->GetPackGUID());
3062	data << time;
3063
3064	((Player*)m_caster)->GetSession()->SendPacket( &data );
3065	}
3066
3067	void Spell::SendChannelStart(uint32 duration)
3068	{
3069	WorldObject* target = NULL;
3070
3071	// select first not rsusted target from target list for _0_ effect
3072	if(!m_UniqueTargetInfo.empty())
3073	{
3074	for(std::list<TargetInfo>::iterator itr= m_UniqueTargetInfo.begin();itr != m_UniqueTargetInfo.end();++itr)
3075	{
3076	if( (itr->effectMask & (1<<0)) && itr->reflectResult==SPELL_MISS_NONE && itr->targetGUID != m_caster->GetGUID())
3077	{
3078	target = ObjectAccessor::GetUnit(*m_caster, itr->targetGUID);
3079	break;
3080	}
3081	}
3082	}
3083	else if(!m_UniqueGOTargetInfo.empty())
3084	{
3085	for(std::list<GOTargetInfo>::iterator itr= m_UniqueGOTargetInfo.begin();itr != m_UniqueGOTargetInfo.end();++itr)
3086	{
3087	if(itr->effectMask & (1<<0) )
3088	{
3089	target = ObjectAccessor::GetGameObject(*m_caster, itr->targetGUID);
3090	break;
3091	}
3092	}
3093	}
3094
3095	if (m_caster->GetTypeId() == TYPEID_PLAYER)
3096	{
3097	WorldPacket data( MSG_CHANNEL_START, (8+4+4) );
3098	data.append(m_caster->GetPackGUID());
3099	data << m_spellInfo->Id;
3100	data << duration;
3101
3102	((Player*)m_caster)->GetSession()->SendPacket( &data );
3103	}
3104
3105	m_timer = duration;
3106	if(target)
3107	m_caster->SetUInt64Value(UNIT_FIELD_CHANNEL_OBJECT, target->GetGUID());
3108	m_caster->SetUInt32Value(UNIT_CHANNEL_SPELL, m_spellInfo->Id);
3109	}
3110
3111	void Spell::SendResurrectRequest(Player* target)
3112	{
3113	WorldPacket data(SMSG_RESURRECT_REQUEST, (8+4+2+4));
3114	data << m_caster->GetGUID();
3115	data << uint32(1) << uint16(0) << uint32(1);
3116
3117	target->GetSession()->SendPacket(&data);
3118	}
3119
3120	void Spell::SendPlaySpellVisual(uint32 SpellID)
3121	{
3122	if (m_caster->GetTypeId() != TYPEID_PLAYER)
3123	return;
3124
3125	WorldPacket data(SMSG_PLAY_SPELL_VISUAL, 12);
3126	data << m_caster->GetGUID();
3127	data << SpellID;
3128	((Player*)m_caster)->GetSession()->SendPacket(&data);
3129	}
3130
3131	void Spell::TakeCastItem()
3132	{
3133	if(!m_CastItem \|\| m_caster->GetTypeId() != TYPEID_PLAYER)
3134	return;
3135
3136	// not remove cast item at triggered spell (equipping, weapon damage, etc)
3137	if(m_IsTriggeredSpell)
3138	return;
3139
3140	ItemPrototype const *proto = m_CastItem->GetProto();
3141
3142	if(!proto)
3143	{
3144	// This code is to avoid a crash
3145	// I'm not sure, if this is really an error, but I guess every item needs a prototype
3146	sLog.outError("Cast item has no item prototype highId=%d, lowId=%d",m_CastItem->GetGUIDHigh(), m_CastItem->GetGUIDLow());
3147	return;
3148	}
3149
3150	bool expendable = false;
3151	bool withoutCharges = false;
3152
3153	for (int i = 0; i<5; i++)
3154	{
3155	if (proto->Spells[i].SpellId)
3156	{
3157	// item has limited charges
3158	if (proto->Spells[i].SpellCharges)
3159	{
3160	if (proto->Spells[i].SpellCharges < 0)
3161	expendable = true;
3162
3163	int32 charges = m_CastItem->GetSpellCharges(i);
3164
3165	// item has charges left
3166	if (charges)
3167	{
3168	(charges > 0) ? --charges : ++charges; // abs(charges) less at 1 after use
3169	if (proto->Stackable < 2)
3170	m_CastItem->SetSpellCharges(i, charges);
3171	m_CastItem->SetState(ITEM_CHANGED, (Player*)m_caster);
3172	}
3173
3174	// all charges used
3175	withoutCharges = (charges == 0);
3176	}
3177	}
3178	}
3179
3180	if (expendable && withoutCharges)
3181	{
3182	uint32 count = 1;
3183	((Player*)m_caster)->DestroyItemCount(m_CastItem, count, true);
3184
3185	// prevent crash at access to deleted m_targets.getItemTarget
3186	if(m_CastItem==m_targets.getItemTarget())
3187	m_targets.setItemTarget(NULL);
3188
3189	m_CastItem = NULL;
3190	}
3191	}
3192
3193	void Spell::TakePower()
3194	{
3195	if(m_CastItem \|\| m_triggeredByAuraSpell)
3196	return;
3197
3198	// health as power used
3199	if(m_spellInfo->powerType == POWER_HEALTH)
3200	{
3201	m_caster->ModifyHealth( -(int32)m_powerCost );
3202	return;
3203	}
3204
3205	if(m_spellInfo->powerType >= MAX_POWERS)
3206	{
3207	sLog.outError("Spell::TakePower: Unknown power type '%d'", m_spellInfo->powerType);
3208	return;
3209	}
3210
3211	Powers powerType = Powers(m_spellInfo->powerType);
3212
3213	m_caster->ModifyPower(powerType, -(int32)m_powerCost);
3214
3215	// Set the five second timer
3216	if (powerType == POWER_MANA && m_powerCost > 0)
3217	m_caster->SetLastManaUse(getMSTime());
3218	}
3219
3220	void Spell::TakeReagents()
3221	{
3222	if(m_IsTriggeredSpell) // reagents used in triggered spell removed by original spell or don't must be removed.
3223	return;
3224
3225	if (m_caster->GetTypeId() != TYPEID_PLAYER)
3226	return;
3227
3228	if (m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_NO_REAGENT_WHILE_PREP &&
3229	m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREPARATION))
3230	return;
3231
3232	Player* p_caster = (Player*)m_caster;
3233
3234	for(uint32 x=0;x<8;x++)
3235	{
3236	if(m_spellInfo->Reagent[x] <= 0)
3237	continue;
3238
3239	uint32 itemid = m_spellInfo->Reagent[x];
3240	uint32 itemcount = m_spellInfo->ReagentCount[x];
3241
3242	// if CastItem is also spell reagent
3243	if (m_CastItem)
3244	{
3245	ItemPrototype const *proto = m_CastItem->GetProto();
3246	if( proto && proto->ItemId == itemid )
3247	{
3248	for(int s=0;s<5;s++)
3249	{
3250	// CastItem will be used up and does not count as reagent
3251	int32 charges = m_CastItem->GetSpellCharges(s);
3252	if (proto->Spells[s].SpellCharges < 0 && abs(charges) < 2)
3253	{
3254	++itemcount;
3255	break;
3256	}
3257	}
3258
3259	m_CastItem = NULL;
3260	}
3261	}
3262
3263	// if getItemTarget is also spell reagent
3264	if (m_targets.getItemTargetEntry()==itemid)
3265	m_targets.setItemTarget(NULL);
3266
3267	p_caster->DestroyItemCount(itemid, itemcount, true);
3268	}
3269	}
3270
3271	void Spell::HandleThreatSpells(uint32 spellId)
3272	{
3273	if(!m_targets.getUnitTarget() \|\| !spellId)
3274	return;
3275
3276	if(!m_targets.getUnitTarget()->CanHaveThreatList())
3277	return;
3278
3279	SpellThreatEntry const *threatSpell = sSpellThreatStore.LookupEntry<SpellThreatEntry>(spellId);
3280	if(!threatSpell)
3281	return;
3282
3283	m_targets.getUnitTarget()->AddThreat(m_caster, float(threatSpell->threat));
3284
3285	DEBUG_LOG("Spell %u, rank %u, added an additional %i threat", spellId, spellmgr.GetSpellRank(spellId), threatSpell->threat);
3286	}
3287
3288	void Spell::HandleEffects(Unit pUnitTarget,Item pItemTarget,GameObject *pGOTarget,uint32 i, float DamageMultiplier)
3289	{
3290	unitTarget = pUnitTarget;
3291	itemTarget = pItemTarget;
3292	gameObjTarget = pGOTarget;
3293
3294	uint8 eff = m_spellInfo->Effect[i];
3295	uint32 mechanic = m_spellInfo->EffectMechanic[i];
3296
3297	damage = int32(CalculateDamage((uint8)i,unitTarget)*DamageMultiplier);
3298
3299	sLog.outDebug( "Spell: Effect : %u", eff);
3300
3301	//Simply return. Do not display "immune" in red text on client
3302	if(unitTarget && unitTarget->IsImmunedToSpellEffect(eff, mechanic))
3303	return;
3304
3305	if(eff<TOTAL_SPELL_EFFECTS)
3306	{
3307	//sLog.outDebug( "WORLD: Spell FX %d < TOTAL_SPELL_EFFECTS ", eff);
3308	(this.SpellEffects[eff])(i);
3309	}
3310	/*
3311	else
3312	{
3313	sLog.outDebug( "WORLD: Spell FX %d > TOTAL_SPELL_EFFECTS ", eff);
3314	if (m_CastItem)
3315	EffectEnchantItemTmp(i);
3316	else
3317	{
3318	sLog.outError("SPELL: unknown effect %u spell id %u\n",
3319	eff, m_spellInfo->Id);
3320	}
3321	}
3322	*/
3323	}
3324
3325	void Spell::TriggerSpell()
3326	{
3327	for(TriggerSpells::iterator si=m_TriggerSpells.begin(); si!=m_TriggerSpells.end(); ++si)
3328	{
3329	Spell* spell = new Spell(m_caster, (*si), true, m_originalCasterGUID, this->m_selfContainer);
3330	spell->prepare(&m_targets); // use original spell original targets
3331	}
3332	}
3333
3334	uint8 Spell::CanCast(bool strict)
3335	{
3336	// check cooldowns to prevent cheating
3337	if(m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->HasSpellCooldown(m_spellInfo->Id))
3338	{
3339	if(m_triggeredByAuraSpell)
3340	return SPELL_FAILED_DONT_REPORT;
3341	else
3342	return SPELL_FAILED_NOT_READY;
3343	}
3344
3345	// only allow triggered spells if at an ended battleground
3346	if( !m_IsTriggeredSpell && m_caster->GetTypeId() == TYPEID_PLAYER)
3347	if(BattleGround * bg = ((Player*)m_caster)->GetBattleGround())
3348	if(bg->GetStatus() == STATUS_WAIT_LEAVE)
3349	return SPELL_FAILED_DONT_REPORT;
3350
3351	// only check at first call, Stealth auras are already removed at second call
3352	// for now, ignore triggered spells
3353	if( strict && !m_IsTriggeredSpell)
3354	{
3355	// Cannot be used in this stance/form
3356	if(uint8 shapeError = GetErrorAtShapeshiftedCast(m_spellInfo, m_caster->m_form))
3357	return shapeError;
3358
3359	if ((m_spellInfo->Attributes & SPELL_ATTR_ONLY_STEALTHED) && !(m_caster->HasStealthAura()))
3360	return SPELL_FAILED_ONLY_STEALTHED;
3361	}
3362
3363	// caster state requirements
3364	if(m_spellInfo->CasterAuraState && !m_caster->HasAuraState(AuraState(m_spellInfo->CasterAuraState)))
3365	return SPELL_FAILED_CASTER_AURASTATE;
3366	if(m_spellInfo->CasterAuraStateNot && m_caster->HasAuraState(AuraState(m_spellInfo->CasterAuraStateNot)))
3367	return SPELL_FAILED_CASTER_AURASTATE;
3368
3369	// cancel autorepeat spells if cast start when moving
3370	// (not wand currently autorepeat cast delayed to moving stop anyway in spell update code)
3371	if( m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->isMoving() )
3372	{
3373	// skip stuck spell to allow use it in falling case and apply spell limitations at movement
3374	if( (!m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING) \|\| m_spellInfo->Effect[0] != SPELL_EFFECT_STUCK) &&
3375	(IsAutoRepeat() \|\| (m_spellInfo->AuraInterruptFlags & AURA_INTERRUPT_FLAG_NOT_SEATED) != 0) )
3376	return SPELL_FAILED_MOVING;
3377	}
3378
3379	Unit *target = m_targets.getUnitTarget();
3380
3381	if(target)
3382	{
3383	// target state requirements (not allowed state), apply to self also
3384	if(m_spellInfo->TargetAuraStateNot && target->HasAuraState(AuraState(m_spellInfo->TargetAuraStateNot)))
3385	return SPELL_FAILED_TARGET_AURASTATE;
3386
3387
3388	if(target != m_caster)
3389	{
3390	// target state requirements (apply to non-self only), to allow cast affects to self like Dirty Deeds
3391	if(m_spellInfo->TargetAuraState && !target->HasAuraState(AuraState(m_spellInfo->TargetAuraState)))
3392	return SPELL_FAILED_TARGET_AURASTATE;
3393
3394	// Not allow casting on flying player
3395	if (target->isInFlight())
3396	return SPELL_FAILED_BAD_TARGETS;
3397
3398	if(VMAP::VMapFactory::checkSpellForLoS(m_spellInfo->Id) && !m_caster->IsWithinLOSInMap(target))
3399	return SPELL_FAILED_LINE_OF_SIGHT;
3400
3401	// auto selection spell rank implemented in WorldSession::HandleCastSpellOpcode
3402	// this case can be triggered if rank not found (too low-level target for first rank)
3403	if(m_caster->GetTypeId() == TYPEID_PLAYER && !IsPassiveSpell(m_spellInfo->Id) && !m_CastItem)
3404	{
3405	for(int i=0;i<3;i++)
3406	{
3407	if(IsPositiveEffect(m_spellInfo->Id, i) && m_spellInfo->Effect[i] == SPELL_EFFECT_APPLY_AURA)
3408	if(target->getLevel() + 10 < m_spellInfo->spellLevel)
3409	return SPELL_FAILED_LOWLEVEL;
3410	}
3411	}
3412	}
3413
3414	// check pet presents
3415	for(int j=0;j<3;j++)
3416	{
3417	if(m_spellInfo->EffectImplicitTargetA[j] == TARGET_PET)
3418	{
3419	target = m_caster->GetPet();
3420	if(!target)
3421	{
3422	if(m_triggeredByAuraSpell) // not report pet not existence for triggered spells
3423	return SPELL_FAILED_DONT_REPORT;
3424	else
3425	return SPELL_FAILED_NO_PET;
3426	}
3427	break;
3428	}
3429	}
3430
3431	//check creature type
3432	//ignore self casts (including area casts when caster selected as target)
3433	if(target != m_caster)
3434	{
3435	if(!CheckTargetCreatureType(target))
3436	{
3437	if(target->GetTypeId()==TYPEID_PLAYER)
3438	return SPELL_FAILED_TARGET_IS_PLAYER;
3439	else
3440	return SPELL_FAILED_BAD_TARGETS;
3441	}
3442	}
3443
3444	// TODO: this check can be applied and for player to prevent cheating when IsPositiveSpell will return always correct result.
3445	// check target for pet/charmed casts (not self targeted), self targeted cast used for area effects and etc
3446	if(m_caster != target && m_caster->GetTypeId()==TYPEID_UNIT && m_caster->GetCharmerOrOwnerGUID())
3447	{
3448	// check correctness positive/negative cast target (pet cast real check and cheating check)
3449	if(IsPositiveSpell(m_spellInfo->Id))
3450	{
3451	if(m_caster->IsHostileTo(target))
3452	return SPELL_FAILED_BAD_TARGETS;
3453	}
3454	else
3455	{
3456	if(m_caster->IsFriendlyTo(target))
3457	return SPELL_FAILED_BAD_TARGETS;
3458	}
3459	}
3460
3461	if(IsPositiveSpell(m_spellInfo->Id))
3462	{
3463	if(target->IsImmunedToSpell(m_spellInfo,false))
3464	return SPELL_FAILED_TARGET_AURASTATE;
3465	}
3466
3467	//Must be behind the target.
3468	if( m_spellInfo->AttributesEx2 == 0x100000 && (m_spellInfo->AttributesEx & 0x200) == 0x200 && target->HasInArc(M_PI, m_caster) )
3469	{
3470	SendInterrupted(2);
3471	return SPELL_FAILED_NOT_BEHIND;
3472	}
3473
3474	//Target must be facing you.
3475	if((m_spellInfo->Attributes == 0x150010) && !target->HasInArc(M_PI, m_caster) )
3476	{
3477	SendInterrupted(2);
3478	return SPELL_FAILED_NOT_INFRONT;
3479	}
3480
3481	// check if target is in combat
3482	if (target != m_caster && (m_spellInfo->AttributesEx & SPELL_ATTR_EX_NOT_IN_COMBAT_TARGET) && target->isInCombat())
3483	{
3484	return SPELL_FAILED_TARGET_AFFECTING_COMBAT;
3485	}
3486	}
3487	// Spell casted only on battleground
3488	if((m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_BATTLEGROUND) && m_caster->GetTypeId()==TYPEID_PLAYER)
3489	if(!((Player*)m_caster)->InBattleGround())
3490	return SPELL_FAILED_ONLY_BATTLEGROUNDS;
3491
3492	// do not allow spells to be cast in arenas
3493	// - with greater than 15 min CD without SPELL_ATTR_EX4_USABLE_IN_ARENA flag
3494	// - with SPELL_ATTR_EX4_NOT_USABLE_IN_ARENA flag
3495	if( (m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_NOT_USABLE_IN_ARENA) \|\|
3496	GetSpellRecoveryTime(m_spellInfo) > 15 * MINUTE * 1000 && !(m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_USABLE_IN_ARENA) )
3497	if(MapEntry const* mapEntry = sMapStore.LookupEntry(m_caster->GetMapId()))
3498	if(mapEntry->IsBattleArena())
3499	return SPELL_FAILED_NOT_IN_ARENA;
3500
3501	// zone check
3502	if(!IsSpellAllowedInLocation(m_spellInfo,m_caster->GetMapId(),m_caster->GetZoneId(),m_caster->GetAreaId()))
3503	return SPELL_FAILED_REQUIRES_AREA;
3504
3505	// not let players cast spells at mount (and let do it to creatures)
3506	if( m_caster->IsMounted() && m_caster->GetTypeId()==TYPEID_PLAYER && !m_IsTriggeredSpell &&
3507	!IsPassiveSpell(m_spellInfo->Id) && !(m_spellInfo->Attributes & SPELL_ATTR_CASTABLE_WHILE_MOUNTED) )
3508	{
3509	if(m_caster->isInFlight())
3510	return SPELL_FAILED_NOT_FLYING;
3511	else
3512	return SPELL_FAILED_NOT_MOUNTED;
3513	}
3514
3515	// always (except passive spells) check items (focus object can be required for any type casts)
3516	if(!IsPassiveSpell(m_spellInfo->Id))
3517	if(uint8 castResult = CheckItems())
3518	return castResult;
3519
3520	if(uint8 castResult = CheckRange(strict))
3521	return castResult;
3522
3523	{
3524	if(uint8 castResult = CheckPower())
3525	return castResult;
3526	}
3527
3528	if(!m_triggeredByAuraSpell) // triggered spell not affected by stun/etc
3529	if(uint8 castResult = CheckCasterAuras())
3530	return castResult;
3531
3532	for (int i = 0; i < 3; i++)
3533	{
3534	// for effects of spells that have only one target
3535	switch(m_spellInfo->Effect[i])
3536	{
3537	case SPELL_EFFECT_DUMMY:
3538	{
3539	if(m_spellInfo->SpellIconID == 1648) // Execute
3540	{
3541	if(!m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetHealth() > m_targets.getUnitTarget()->GetMaxHealth()*0.2)
3542	return SPELL_FAILED_BAD_TARGETS;
3543	}
3544	else if (m_spellInfo->Id == 51582) // Rocket Boots Engaged
3545	{
3546	if(m_caster->IsInWater())
3547	return SPELL_FAILED_ONLY_ABOVEWATER;
3548	}
3549	else if(m_spellInfo->SpellIconID==156) // Holy Shock
3550	{
3551	// spell different for friends and enemies
3552	// hart version required facing
3553	if(m_targets.getUnitTarget() && !m_caster->IsFriendlyTo(m_targets.getUnitTarget()) && !m_caster->HasInArc( M_PI, target ))
3554	return SPELL_FAILED_UNIT_NOT_INFRONT;
3555	}
3556	break;
3557	}
3558	case SPELL_EFFECT_SCHOOL_DAMAGE:
3559	{
3560	// Hammer of Wrath
3561	if(m_spellInfo->SpellVisual == 7250)
3562	{
3563	if (!m_targets.getUnitTarget())
3564	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3565
3566	if(m_targets.getUnitTarget()->GetHealth() > m_targets.getUnitTarget()->GetMaxHealth()*0.2)
3567	return SPELL_FAILED_BAD_TARGETS;
3568	}
3569	break;
3570	}
3571	case SPELL_EFFECT_LEARN_SPELL:
3572	{
3573	if(m_spellInfo->EffectImplicitTargetA[i] != TARGET_PET)
3574	break;
3575
3576	Pet* pet = m_caster->GetPet();
3577
3578	if(!pet)
3579	return SPELL_FAILED_NO_PET;
3580
3581	SpellEntry const *learn_spellproto = sSpellStore.LookupEntry(m_spellInfo->EffectTriggerSpell[i]);
3582
3583	if(!learn_spellproto)
3584	return SPELL_FAILED_NOT_KNOWN;
3585
3586	if(!pet->CanTakeMoreActiveSpells(learn_spellproto->Id))
3587	return SPELL_FAILED_TOO_MANY_SKILLS;
3588
3589	if(m_spellInfo->spellLevel > pet->getLevel())
3590	return SPELL_FAILED_LOWLEVEL;
3591
3592	if(!pet->HasTPForSpell(learn_spellproto->Id))
3593	return SPELL_FAILED_TRAINING_POINTS;
3594
3595	break;
3596	}
3597	case SPELL_EFFECT_LEARN_PET_SPELL:
3598	{
3599	Pet* pet = m_caster->GetPet();
3600
3601	if(!pet)
3602	return SPELL_FAILED_NO_PET;
3603
3604	SpellEntry const *learn_spellproto = sSpellStore.LookupEntry(m_spellInfo->EffectTriggerSpell[i]);
3605
3606	if(!learn_spellproto)
3607	return SPELL_FAILED_NOT_KNOWN;
3608
3609	if(!pet->CanTakeMoreActiveSpells(learn_spellproto->Id))
3610	return SPELL_FAILED_TOO_MANY_SKILLS;
3611
3612	if(m_spellInfo->spellLevel > pet->getLevel())
3613	return SPELL_FAILED_LOWLEVEL;
3614
3615	if(!pet->HasTPForSpell(learn_spellproto->Id))
3616	return SPELL_FAILED_TRAINING_POINTS;
3617
3618	break;
3619	}
3620	case SPELL_EFFECT_FEED_PET:
3621	{
3622	if (m_caster->GetTypeId() != TYPEID_PLAYER \|\| !m_targets.getItemTarget() )
3623	return SPELL_FAILED_BAD_TARGETS;
3624
3625	Pet* pet = m_caster->GetPet();
3626
3627	if(!pet)
3628	return SPELL_FAILED_NO_PET;
3629
3630	if(!pet->HaveInDiet(m_targets.getItemTarget()->GetProto()))
3631	return SPELL_FAILED_WRONG_PET_FOOD;
3632
3633	if(!pet->GetCurrentFoodBenefitLevel(m_targets.getItemTarget()->GetProto()->ItemLevel))
3634	return SPELL_FAILED_FOOD_LOWLEVEL;
3635
3636	if(m_caster->isInCombat() \|\| pet->isInCombat())
3637	return SPELL_FAILED_AFFECTING_COMBAT;
3638
3639	break;
3640	}
3641	case SPELL_EFFECT_POWER_BURN:
3642	case SPELL_EFFECT_POWER_DRAIN:
3643	{
3644	// Can be area effect, Check only for players and not check if target - caster (spell can have multiply drain/burn effects)
3645	if(m_caster->GetTypeId() == TYPEID_PLAYER)
3646	if(Unit* target = m_targets.getUnitTarget())
3647	if(target!=m_caster && target->getPowerType()!=m_spellInfo->EffectMiscValue[i])
3648	return SPELL_FAILED_BAD_TARGETS;
3649	break;
3650	}
3651	case SPELL_EFFECT_CHARGE:
3652	{
3653	if (m_caster->hasUnitState(UNIT_STAT_ROOT))
3654	return SPELL_FAILED_ROOTED;
3655
3656	break;
3657	}
3658	case SPELL_EFFECT_SKINNING:
3659	{
3660	if (m_caster->GetTypeId() != TYPEID_PLAYER \|\| !m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetTypeId() != TYPEID_UNIT)
3661	return SPELL_FAILED_BAD_TARGETS;
3662
3663	if( !(m_targets.getUnitTarget()->GetUInt32Value(UNIT_FIELD_FLAGS) & UNIT_FLAG_SKINNABLE) )
3664	return SPELL_FAILED_TARGET_UNSKINNABLE;
3665
3666	Creature* creature = (Creature*)m_targets.getUnitTarget();
3667	if ( creature->GetCreatureType() != CREATURE_TYPE_CRITTER && ( !creature->lootForBody \|\| !creature->loot.empty() ) )
3668	{
3669	return SPELL_FAILED_TARGET_NOT_LOOTED;
3670	}
3671
3672	uint32 skill;
3673	if(creature->GetCreatureInfo()->flag1 & 256)
3674	skill = SKILL_HERBALISM; // special case
3675	else if(creature->GetCreatureInfo()->flag1 & 512)
3676	skill = SKILL_MINING; // special case
3677	else
3678	skill = SKILL_SKINNING; // normal case
3679
3680	int32 skillValue = ((Player*)m_caster)->GetSkillValue(skill);
3681	int32 TargetLevel = m_targets.getUnitTarget()->getLevel();
3682	int32 ReqValue = (skillValue < 100 ? (TargetLevel-10)10 : TargetLevel5);
3683	if (ReqValue > skillValue)
3684	return SPELL_FAILED_LOW_CASTLEVEL;
3685
3686	// chance for fail at orange skinning attempt
3687	if( (m_selfContainer && (*m_selfContainer) == this) &&
3688	skillValue < sWorld.GetConfigMaxSkillValue() &&
3689	(ReqValue < 0 ? 0 : ReqValue) > irand(skillValue-25, skillValue+37) )
3690	return SPELL_FAILED_TRY_AGAIN;
3691
3692	break;
3693	}
3694	case SPELL_EFFECT_OPEN_LOCK_ITEM:
3695	case SPELL_EFFECT_OPEN_LOCK:
3696	{
3697	if( m_spellInfo->EffectImplicitTargetA[i] != TARGET_GAMEOBJECT &&
3698	m_spellInfo->EffectImplicitTargetA[i] != TARGET_GAMEOBJECT_ITEM )
3699	break;
3700
3701	if( m_caster->GetTypeId() != TYPEID_PLAYER // only players can open locks, gather etc.
3702	// we need a go target in case of TARGET_GAMEOBJECT
3703	\|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_GAMEOBJECT && !m_targets.getGOTarget()
3704	// we need a go target, or an openable item target in case of TARGET_GAMEOBJECT_ITEM
3705	\|\| m_spellInfo->EffectImplicitTargetA[i] == TARGET_GAMEOBJECT_ITEM && !m_targets.getGOTarget() &&
3706	(!m_targets.getItemTarget() \|\| !m_targets.getItemTarget()->GetProto()->LockID \|\| m_targets.getItemTarget()->GetOwner() != m_caster ) )
3707	return SPELL_FAILED_BAD_TARGETS;
3708
3709	// In BattleGround players can use only flags and banners
3710	if( ((Player*)m_caster)->InBattleGround() &&
3711	!((Player*)m_caster)->isAllowUseBattleGroundObject() )
3712	return SPELL_FAILED_TRY_AGAIN;
3713
3714	// get the lock entry
3715	LockEntry const *lockInfo = NULL;
3716	if (GameObject* go=m_targets.getGOTarget())
3717	lockInfo = sLockStore.LookupEntry(go->GetLockId());
3718	else if(Item* itm=m_targets.getItemTarget())
3719	lockInfo = sLockStore.LookupEntry(itm->GetProto()->LockID);
3720
3721	// check lock compatibility
3722	if (lockInfo)
3723	{
3724	// check for lock - key pair (checked by client also, just prevent cheating
3725	bool ok_key = false;
3726	for(int it = 0; it < 5; ++it)
3727	{
3728	switch(lockInfo->keytype[it])
3729	{
3730	case LOCK_KEY_NONE:
3731	break;
3732	case LOCK_KEY_ITEM:
3733	{
3734	if(lockInfo->key[it])
3735	{
3736	if(m_CastItem && m_CastItem->GetEntry()==lockInfo->key[it])
3737	ok_key =true;
3738	break;
3739	}
3740	}
3741	case LOCK_KEY_SKILL:
3742	{
3743	if(uint32(m_spellInfo->EffectMiscValue[i])!=lockInfo->key[it])
3744	break;
3745
3746	switch(lockInfo->key[it])
3747	{
3748	case LOCKTYPE_HERBALISM:
3749	if(((Player*)m_caster)->HasSkill(SKILL_HERBALISM))
3750	ok_key =true;
3751	break;
3752	case LOCKTYPE_MINING:
3753	if(((Player*)m_caster)->HasSkill(SKILL_MINING))
3754	ok_key =true;
3755	break;
3756	default:
3757	ok_key =true;
3758	break;
3759	}
3760	}
3761	}
3762	if(ok_key)
3763	break;
3764	}
3765
3766	if(!ok_key)
3767	return SPELL_FAILED_BAD_TARGETS;
3768	}
3769
3770	// chance for fail at orange mining/herb/LockPicking gathering attempt
3771	if (!m_selfContainer \|\| ((*m_selfContainer) != this))
3772	break;
3773
3774	// get the skill value of the player
3775	int32 SkillValue = 0;
3776	bool canFailAtMax = true;
3777	if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_HERBALISM)
3778	{
3779	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_HERBALISM);
3780	canFailAtMax = false;
3781	}
3782	else if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_MINING)
3783	{
3784	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_MINING);
3785	canFailAtMax = false;
3786	}
3787	else if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_PICKLOCK)
3788	SkillValue = ((Player*)m_caster)->GetSkillValue(SKILL_LOCKPICKING);
3789
3790	// castitem check: rogue using skeleton keys. the skill values should not be added in this case.
3791	if(m_CastItem)
3792	SkillValue = 0;
3793
3794	// add the damage modifier from the spell casted (cheat lock / skeleton key etc.) (use m_currentBasePoints, CalculateDamage returns wrong value)
3795	SkillValue += m_currentBasePoints[i]+1;
3796
3797	// get the required lock value
3798	int32 ReqValue=0;
3799	if (lockInfo)
3800	{
3801	// check for lock - key pair
3802	bool ok = false;
3803	for(int it = 0; it < 5; ++it)
3804	{
3805	if(lockInfo->keytype[it]==LOCK_KEY_ITEM && lockInfo->key[it] && m_CastItem && m_CastItem->GetEntry()==lockInfo->key[it])
3806	{
3807	// if so, we're good to go
3808	ok = true;
3809	break;
3810	}
3811	}
3812	if(ok)
3813	break;
3814
3815	if (m_spellInfo->EffectMiscValue[i] == LOCKTYPE_PICKLOCK)
3816	ReqValue = lockInfo->requiredlockskill;
3817	else
3818	ReqValue = lockInfo->requiredminingskill;
3819	}
3820
3821	// skill doesn't meet the required value
3822	if (ReqValue > SkillValue)
3823	return SPELL_FAILED_LOW_CASTLEVEL;
3824
3825	// chance for failure in orange gather / lockpick (gathering skill can't fail at maxskill)
3826	if((canFailAtMax \|\| SkillValue < sWorld.GetConfigMaxSkillValue()) && ReqValue > irand(SkillValue-25, SkillValue+37))
3827	return SPELL_FAILED_TRY_AGAIN;
3828
3829	break;
3830	}
3831	case SPELL_EFFECT_SUMMON_DEAD_PET:
3832	{
3833	Creature *pet = m_caster->GetPet();
3834	if(!pet)
3835	return SPELL_FAILED_NO_PET;
3836
3837	if(pet->isAlive())
3838	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3839
3840	break;
3841	}
3842	// This is generic summon effect now and don't make this check for summon types similar
3843	// SPELL_EFFECT_SUMMON_CRITTER, SPELL_EFFECT_SUMMON_WILD or SPELL_EFFECT_SUMMON_GUARDIAN.
3844	// These won't show up in m_caster->GetPetGUID()
3845	case SPELL_EFFECT_SUMMON:
3846	{
3847	switch(m_spellInfo->EffectMiscValueB[i])
3848	{
3849	case SUMMON_TYPE_POSESSED:
3850	case SUMMON_TYPE_POSESSED2:
3851	case SUMMON_TYPE_DEMON:
3852	case SUMMON_TYPE_SUMMON:
3853	{
3854	if(m_caster->GetPetGUID())
3855	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3856
3857	if(m_caster->GetCharmGUID())
3858	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3859	break;
3860	}
3861	}
3862	break;
3863	}
3864	// Don't make this check for SPELL_EFFECT_SUMMON_CRITTER, SPELL_EFFECT_SUMMON_WILD or SPELL_EFFECT_SUMMON_GUARDIAN.
3865	// These won't show up in m_caster->GetPetGUID()
3866	case SPELL_EFFECT_SUMMON_POSSESSED:
3867	case SPELL_EFFECT_SUMMON_PHANTASM:
3868	case SPELL_EFFECT_SUMMON_DEMON:
3869	{
3870	if(m_caster->GetPetGUID())
3871	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3872
3873	if(m_caster->GetCharmGUID())
3874	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3875
3876	break;
3877	}
3878	case SPELL_EFFECT_SUMMON_PET:
3879	{
3880	if(m_caster->GetPetGUID()) //let warlock do a replacement summon
3881	{
3882
3883	Pet* pet = ((Player*)m_caster)->GetPet();
3884
3885	if (m_caster->GetTypeId()==TYPEID_PLAYER && m_caster->getClass()==CLASS_WARLOCK)
3886	{
3887	if (strict) //starting cast, trigger pet stun (cast by pet so it doesn't attack player)
3888	pet->CastSpell(pet, 32752, true, NULL, NULL, pet->GetGUID());
3889	}
3890	else
3891	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3892	}
3893
3894	if(m_caster->GetCharmGUID())
3895	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3896
3897	break;
3898	}
3899	case SPELL_EFFECT_SUMMON_PLAYER:
3900	{
3901	if(m_caster->GetTypeId()!=TYPEID_PLAYER)
3902	return SPELL_FAILED_BAD_TARGETS;
3903	if(!((Player*)m_caster)->GetSelection())
3904	return SPELL_FAILED_BAD_TARGETS;
3905
3906	Player* target = objmgr.GetPlayer(((Player*)m_caster)->GetSelection());
3907	if( !target \|\| ((Player)m_caster)==target \|\| !target->IsInSameRaidWith((Player)m_caster) )
3908	return SPELL_FAILED_BAD_TARGETS;
3909
3910	// check if our map is dungeon
3911	if( sMapStore.LookupEntry(m_caster->GetMapId())->IsDungeon() )
3912	{
3913	InstanceTemplate const* instance = ObjectMgr::GetInstanceTemplate(m_caster->GetMapId());
3914	if(!instance)
3915	return SPELL_FAILED_TARGET_NOT_IN_INSTANCE;
3916	if ( instance->levelMin > target->getLevel() )
3917	return SPELL_FAILED_LOWLEVEL;
3918	if ( instance->levelMax && instance->levelMax < target->getLevel() )
3919	return SPELL_FAILED_HIGHLEVEL;
3920	}
3921	break;
3922	}
3923	case SPELL_EFFECT_LEAP:
3924	case SPELL_EFFECT_TELEPORT_UNITS_FACE_CASTER:
3925	{
3926	float dis = GetSpellRadius(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
3927	float fx = m_caster->GetPositionX() + dis * cos(m_caster->GetOrientation());
3928	float fy = m_caster->GetPositionY() + dis * sin(m_caster->GetOrientation());
3929	// teleport a bit above terrain level to avoid falling below it
3930	float fz = MapManager::Instance().GetBaseMap(m_caster->GetMapId())->GetHeight(fx,fy,m_caster->GetPositionZ(),true);
3931	if(fz <= INVALID_HEIGHT) // note: this also will prevent use effect in instances without vmaps height enabled
3932	return SPELL_FAILED_TRY_AGAIN;
3933
3934	float caster_pos_z = m_caster->GetPositionZ();
3935	// Control the caster to not climb or drop when +-fz > 8
3936	if(!(fz<=caster_pos_z+8 && fz>=caster_pos_z-8))
3937	return SPELL_FAILED_TRY_AGAIN;
3938
3939	// not allow use this effect at battleground until battleground start
3940	if(m_caster->GetTypeId()==TYPEID_PLAYER)
3941	if(BattleGround const bg = ((Player)m_caster)->GetBattleGround())
3942	if(bg->GetStatus() != STATUS_IN_PROGRESS)
3943	return SPELL_FAILED_TRY_AGAIN;
3944	break;
3945	}
3946	case SPELL_EFFECT_STEAL_BENEFICIAL_BUFF:
3947	{
3948	if (m_targets.getUnitTarget()==m_caster)
3949	return SPELL_FAILED_BAD_TARGETS;
3950	break;
3951	}
3952	default:break;
3953	}
3954	}
3955
3956	for (int i = 0; i < 3; i++)
3957	{
3958	switch(m_spellInfo->EffectApplyAuraName[i])
3959	{
3960	case SPELL_AURA_DUMMY:
3961	{
3962	if(m_spellInfo->Id == 1515)
3963	{
3964	if (!m_targets.getUnitTarget() \|\| m_targets.getUnitTarget()->GetTypeId() == TYPEID_PLAYER)
3965	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3966
3967	if (m_targets.getUnitTarget()->getLevel() > m_caster->getLevel())
3968	return SPELL_FAILED_HIGHLEVEL;
3969
3970	CreatureInfo const cinfo = ((Creature)m_targets.getUnitTarget())->GetCreatureInfo();
3971	if( cinfo->type != CREATURE_TYPE_BEAST )
3972	return SPELL_FAILED_BAD_TARGETS;
3973
3974	// use SMSG_PET_TAME_FAILURE?
3975	if( !(cinfo->flag1 & 1) \|\| !(cinfo->family) )
3976	return SPELL_FAILED_BAD_TARGETS;
3977
3978	if(m_caster->GetPetGUID())
3979	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3980
3981	if(m_caster->GetCharmGUID())
3982	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3983	}
3984	}break;
3985	case SPELL_AURA_MOD_POSSESS:
3986	case SPELL_AURA_MOD_CHARM:
3987	{
3988	if(m_caster->GetPetGUID())
3989	return SPELL_FAILED_ALREADY_HAVE_SUMMON;
3990
3991	if(m_caster->GetCharmGUID())
3992	return SPELL_FAILED_ALREADY_HAVE_CHARM;
3993
3994	if(m_caster->GetCharmerGUID())
3995	return SPELL_FAILED_CHARMED;
3996
3997	if(!m_targets.getUnitTarget())
3998	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
3999
4000	if(m_targets.getUnitTarget()->GetCharmerGUID())
4001	return SPELL_FAILED_CHARMED;
4002
4003	if(int32(m_targets.getUnitTarget()->getLevel()) > CalculateDamage(i,m_targets.getUnitTarget()))
4004	return SPELL_FAILED_HIGHLEVEL;
4005	};break;
4006	case SPELL_AURA_MOUNTED:
4007	{
4008	if (m_caster->IsInWater())
4009	return SPELL_FAILED_ONLY_ABOVEWATER;
4010
4011	if (m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->GetTransport())
4012	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
4013
4014	// Ignore map check if spell have AreaId. AreaId already checked and this prevent special mount spells
4015	if (m_caster->GetTypeId()==TYPEID_PLAYER && !sMapStore.LookupEntry(m_caster->GetMapId())->IsMountAllowed() && !m_IsTriggeredSpell && !m_spellInfo->AreaId)
4016	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
4017
4018	if (m_caster->GetAreaId()==35)
4019	return SPELL_FAILED_NO_MOUNTS_ALLOWED;
4020
4021	ShapeshiftForm form = m_caster->m_form;
4022	if( form == FORM_CAT \|\| form == FORM_TREE \|\| form == FORM_TRAVEL \|\|
4023	form == FORM_AQUA \|\| form == FORM_BEAR \|\| form == FORM_DIREBEAR \|\|
4024	form == FORM_CREATUREBEAR \|\| form == FORM_GHOSTWOLF \|\| form == FORM_FLIGHT \|\|
4025	form == FORM_FLIGHT_EPIC \|\| form == FORM_MOONKIN )
4026	return SPELL_FAILED_NOT_SHAPESHIFT;
4027
4028	break;
4029	}
4030	case SPELL_AURA_RANGED_ATTACK_POWER_ATTACKER_BONUS:
4031	{
4032	if(!m_targets.getUnitTarget())
4033	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4034
4035	// can be casted at non-friendly unit or own pet/charm
4036	if(m_caster->IsFriendlyTo(m_targets.getUnitTarget()))
4037	return SPELL_FAILED_TARGET_FRIENDLY;
4038	};break;
4039	case SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED:
4040	case SPELL_AURA_FLY:
4041	{
4042	// not allow cast fly spells at old maps by players (all spells is self target)
4043	if(m_caster->GetTypeId()==TYPEID_PLAYER)
4044	{
4045	if( !((Player*)m_caster)->isGameMaster() &&
4046	GetVirtualMapForMapAndZone(m_caster->GetMapId(),m_caster->GetZoneId()) != 530)
4047	return SPELL_FAILED_NOT_HERE;
4048	}
4049	};break;
4050	case SPELL_AURA_PERIODIC_MANA_LEECH:
4051	{
4052	if (!m_targets.getUnitTarget())
4053	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4054
4055	if (m_caster->GetTypeId()!=TYPEID_PLAYER \|\| m_CastItem)
4056	break;
4057
4058	if(m_targets.getUnitTarget()->getPowerType()!=POWER_MANA)
4059	return SPELL_FAILED_BAD_TARGETS;
4060	break;
4061	}
4062	default:break;
4063	}
4064	}
4065
4066	// all ok
4067	return 0;
4068	}
4069
4070	int16 Spell::PetCanCast(Unit* target)
4071	{
4072	if(!m_caster->isAlive())
4073	return SPELL_FAILED_CASTER_DEAD;
4074
4075	if(m_caster->IsNonMeleeSpellCasted(false)) //prevent spellcast interuption by another spellcast
4076	return SPELL_FAILED_SPELL_IN_PROGRESS;
4077	if(m_caster->isInCombat() && IsNonCombatSpell(m_spellInfo))
4078	return SPELL_FAILED_AFFECTING_COMBAT;
4079
4080	if(m_caster->GetTypeId()==TYPEID_UNIT && (((Creature*)m_caster)->isPet() \|\| m_caster->isCharmed()))
4081	{
4082	//dead owner (pets still alive when owners ressed?)
4083	if(m_caster->GetCharmerOrOwner() && !m_caster->GetCharmerOrOwner()->isAlive())
4084	return SPELL_FAILED_CASTER_DEAD;
4085
4086	if(!target && m_targets.getUnitTarget())
4087	target = m_targets.getUnitTarget();
4088
4089	bool need = false;
4090	for(uint32 i = 0;i<3;i++)
4091	{
4092	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)
4093	{
4094	need = true;
4095	if(!target)
4096	return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
4097	break;
4098	}
4099	}
4100	if(need)
4101	m_targets.setUnitTarget(target);
4102
4103	Unit* _target = m_targets.getUnitTarget();
4104
4105	if(_target) //for target dead/target not valid
4106	{
4107	if(!_target->isAlive())
4108	return SPELL_FAILED_BAD_TARGETS;
4109
4110	if(IsPositiveSpell(m_spellInfo->Id))
4111	{
4112	if(m_caster->IsHostileTo(_target))
4113	return SPELL_FAILED_BAD_TARGETS;
4114	}
4115	else
4116	{
4117	bool duelvsplayertar = false;
4118	for(int j=0;j<3;j++)
4119	{
4120	//TARGET_DUELVSPLAYER is positive AND negative
4121	duelvsplayertar \|= (m_spellInfo->EffectImplicitTargetA[j] == TARGET_DUELVSPLAYER);
4122	}
4123	if(m_caster->IsFriendlyTo(target) && !duelvsplayertar)
4124	{
4125	return SPELL_FAILED_BAD_TARGETS;
4126	}
4127	}
4128	}
4129	//cooldown
4130	if(((Creature*)m_caster)->HasSpellCooldown(m_spellInfo->Id))
4131	return SPELL_FAILED_NOT_READY;
4132	}
4133
4134	uint16 result = CanCast(true);
4135	if(result != 0)
4136	return result;
4137	else
4138	return -1; //this allows to check spell fail 0, in combat
4139	}
4140
4141	uint8 Spell::CheckCasterAuras() const
4142	{
4143	// Flag drop spells totally immuned to caster auras
4144	// FIXME: find more nice check for all totally immuned spells
4145	// AttributesEx3 & 0x10000000?
4146	if(m_spellInfo->Id==23336 \|\| m_spellInfo->Id==23334 \|\| m_spellInfo->Id==34991)
4147	return 0;
4148
4149	uint8 school_immune = 0;
4150	uint32 mechanic_immune = 0;
4151	uint32 dispel_immune = 0;
4152
4153	//Check if the spell grants school or mechanic immunity.
4154	//We use bitmasks so the loop is done only once and not on every aura check below.
4155	if ( m_spellInfo->AttributesEx & SPELL_ATTR_EX_DISPEL_AURAS_ON_IMMUNITY )
4156	{
4157	for(int i = 0;i < 3; i ++)
4158	{
4159	if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_SCHOOL_IMMUNITY)
4160	school_immune \|= uint32(m_spellInfo->EffectMiscValue[i]);
4161	else if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_MECHANIC_IMMUNITY)
4162	mechanic_immune \|= 1 << uint32(m_spellInfo->EffectMiscValue[i]);
4163	else if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_DISPEL_IMMUNITY)
4164	dispel_immune \|= GetDispellMask(DispelType(m_spellInfo->EffectMiscValue[i]));
4165	}
4166	//immune movement impairement and loss of control
4167	if(m_spellInfo->Id==(uint32)42292)
4168	mechanic_immune = IMMUNE_TO_MOVEMENT_IMPAIRMENT_AND_LOSS_CONTROL_MASK;
4169	}
4170
4171	//Check whether the cast should be prevented by any state you might have.
4172	uint8 prevented_reason = 0;
4173	// Have to check if there is a stun aura. Otherwise will have problems with ghost aura apply while logging out
4174	if(!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_STUNNED) && m_caster->HasAuraType(SPELL_AURA_MOD_STUN))
4175	prevented_reason = SPELL_FAILED_STUNNED;
4176	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_CONFUSED) && !(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_CONFUSED))
4177	prevented_reason = SPELL_FAILED_CONFUSED;
4178	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_FLEEING) && !(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_FEARED))
4179	prevented_reason = SPELL_FAILED_FLEEING;
4180	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_SILENCED) && m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_SILENCE)
4181	prevented_reason = SPELL_FAILED_SILENCED;
4182	else if(m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PACIFIED) && m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_PACIFY)
4183	prevented_reason = SPELL_FAILED_PACIFIED;
4184
4185	// Attr must make flag drop spell totally immuned from all effects
4186	if(prevented_reason)
4187	{
4188	if(school_immune \|\| mechanic_immune \|\| dispel_immune)
4189	{
4190	//Checking auras is needed now, because you are prevented by some state but the spell grants immunity.
4191	Unit::AuraMap const& auras = m_caster->GetAuras();
4192	for(Unit::AuraMap::const_iterator itr = auras.begin(); itr != auras.end(); itr++)
4193	{
4194	if(itr->second)
4195	{
4196	if( GetSpellMechanicMask(itr->second->GetSpellProto(), itr->second->GetEffIndex()) & mechanic_immune )
4197	continue;
4198	if( GetSpellSchoolMask(itr->second->GetSpellProto()) & school_immune )
4199	continue;
4200	if( (1<<(itr->second->GetSpellProto()->Dispel)) & dispel_immune)
4201	continue;
4202
4203	//Make a second check for spell failed so the right SPELL_FAILED message is returned.
4204	//That is needed when your casting is prevented by multiple states and you are only immune to some of them.
4205	switch(itr->second->GetModifier()->m_auraname)
4206	{
4207	case SPELL_AURA_MOD_STUN:
4208	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_STUNNED))
4209	return SPELL_FAILED_STUNNED;
4210	break;
4211	case SPELL_AURA_MOD_CONFUSE:
4212	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_CONFUSED))
4213	return SPELL_FAILED_CONFUSED;
4214	break;
4215	case SPELL_AURA_MOD_FEAR:
4216	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_FEARED))
4217	return SPELL_FAILED_FLEEING;
4218	break;
4219	case SPELL_AURA_MOD_SILENCE:
4220	case SPELL_AURA_MOD_PACIFY:
4221	case SPELL_AURA_MOD_PACIFY_SILENCE:
4222	if( m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_PACIFY)
4223	return SPELL_FAILED_PACIFIED;
4224	else if ( m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_SILENCE)
4225	return SPELL_FAILED_SILENCED;
4226	break;
4227	}
4228	}
4229	}
4230	}
4231	//You are prevented from casting and the spell casted does not grant immunity. Return a failed error.
4232	else
4233	return prevented_reason;
4234	}
4235	return 0; // all ok
4236	}
4237
4238	bool Spell::CanAutoCast(Unit* target)
4239	{
4240	uint64 targetguid = target->GetGUID();
4241
4242	for(uint32 j = 0;j<3;j++)
4243	{
4244	if(m_spellInfo->Effect[j] == SPELL_EFFECT_APPLY_AURA)
4245	{
4246	if( m_spellInfo->StackAmount <= 1)
4247	{
4248	if( target->HasAura(m_spellInfo->Id, j) )
4249	return false;
4250	}
4251	else
4252	{
4253	if( target->GetAuras().count(Unit::spellEffectPair(m_spellInfo->Id, j)) >= m_spellInfo->StackAmount)
4254	return false;
4255	}
4256	}
4257	else if ( IsAreaAuraEffect( m_spellInfo->Effect[j] ))
4258	{
4259	if( target->HasAura(m_spellInfo->Id, j) )
4260	return false;
4261	}
4262	}
4263
4264	int16 result = PetCanCast(target);
4265
4266	if(result == -1 \|\| result == SPELL_FAILED_UNIT_NOT_INFRONT)
4267	{
4268	FillTargetMap();
4269	//check if among target units, our WANTED target is as well (->only self cast spells return false)
4270	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
4271	if( ihit->targetGUID == targetguid )
4272	return true;
4273	}
4274	return false; //target invalid
4275	}
4276
4277	uint8 Spell::CheckRange(bool strict)
4278	{
4279	float range_mod;
4280
4281	// self cast doesn't need range checking -- also for Starshards fix
4282	if (m_spellInfo->rangeIndex == 1) return 0;
4283
4284	if (strict) //add radius of caster
4285	range_mod = 1.25;
4286	else //add radius of caster and ~5 yds "give"
4287	range_mod = 6.25;
4288
4289	SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
4290	float max_range = GetSpellMaxRange(srange) + range_mod;
4291	float min_range = GetSpellMinRange(srange);
4292
4293	if(Player* modOwner = m_caster->GetSpellModOwner())
4294	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_RANGE, max_range, this);
4295
4296	Unit *target = m_targets.getUnitTarget();
4297
4298	if(target && target != m_caster)
4299	{
4300	// distance from target center in checks
4301	if(!m_caster->IsWithinCombatDist(target, max_range))
4302	return SPELL_FAILED_OUT_OF_RANGE; //0x5A;
4303	if(min_range && m_caster->IsWithinCombatDist(target, min_range)) // skip this check if min_range = 0
4304	return SPELL_FAILED_TOO_CLOSE;
4305	if( m_caster->GetTypeId() == TYPEID_PLAYER &&
4306	(m_spellInfo->FacingCasterFlags & SPELL_FACING_FLAG_INFRONT) && !m_caster->HasInArc( M_PI, target ) )
4307	return SPELL_FAILED_UNIT_NOT_INFRONT;
4308	}
4309
4310	if(m_targets.m_targetMask == TARGET_FLAG_DEST_LOCATION && m_targets.m_destX != 0 && m_targets.m_destY != 0 && m_targets.m_destZ != 0)
4311	{
4312	float dist = m_caster->GetDistance(m_targets.m_destX, m_targets.m_destY, m_targets.m_destZ);
4313	if(dist > max_range)
4314	return SPELL_FAILED_OUT_OF_RANGE;
4315	if(dist < min_range)
4316	return SPELL_FAILED_TOO_CLOSE;
4317	}
4318
4319	return 0; // ok
4320	}
4321
4322	int32 Spell::CalculatePowerCost()
4323	{
4324	// item cast not used power
4325	if(m_CastItem)
4326	return 0;
4327
4328	// Spell drain all exist power on cast (Only paladin lay of Hands)
4329	if (m_spellInfo->AttributesEx & SPELL_ATTR_EX_DRAIN_ALL_POWER)
4330	{
4331	// If power type - health drain all
4332	if (m_spellInfo->powerType == POWER_HEALTH)
4333	return m_caster->GetHealth();
4334	// Else drain all power
4335	if (m_spellInfo->powerType < MAX_POWERS)
4336	return m_caster->GetPower(Powers(m_spellInfo->powerType));
4337	sLog.outError("Spell::CalculateManaCost: Unknown power type '%d' in spell %d", m_spellInfo->powerType, m_spellInfo->Id);
4338	return 0;
4339	}
4340
4341	// Base powerCost
4342	int32 powerCost = m_spellInfo->manaCost;
4343	// PCT cost from total amount
4344	if (m_spellInfo->ManaCostPercentage)
4345	{
4346	switch (m_spellInfo->powerType)
4347	{
4348	// health as power used
4349	case POWER_HEALTH:
4350	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetCreateHealth() / 100;
4351	break;
4352	case POWER_MANA:
4353	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetCreateMana() / 100;
4354	break;
4355	case POWER_RAGE:
4356	case POWER_FOCUS:
4357	case POWER_ENERGY:
4358	case POWER_HAPPINESS:
4359	// case POWER_RUNES:
4360	powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetMaxPower(Powers(m_spellInfo->powerType)) / 100;
4361	break;
4362	default:
4363	sLog.outError("Spell::CalculateManaCost: Unknown power type '%d' in spell %d", m_spellInfo->powerType, m_spellInfo->Id);
4364	return 0;
4365	}
4366	}
4367	SpellSchools school = GetFirstSchoolInMask(m_spellSchoolMask);
4368	// Flat mod from caster auras by spell school
4369	powerCost += m_caster->GetInt32Value(UNIT_FIELD_POWER_COST_MODIFIER + school);
4370	// Shiv - costs 20 + weaponSpeed*10 energy (apply only to non-triggered spell with energy cost)
4371	if ( m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_SPELL_VS_EXTEND_COST )
4372	powerCost += m_caster->GetAttackTime(OFF_ATTACK)/100;
4373	// Apply cost mod by spell
4374	if(Player* modOwner = m_caster->GetSpellModOwner())
4375	modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COST, powerCost, this);
4376
4377	if(m_spellInfo->Attributes & SPELL_ATTR_LEVEL_DAMAGE_CALCULATION)
4378	powerCost = int32(powerCost/ (1.117f* m_spellInfo->spellLevel / m_caster->getLevel() -0.1327f));
4379
4380	// PCT mod from user auras by school
4381	powerCost = int32(powerCost * (1.0f+m_caster->GetFloatValue(UNIT_FIELD_POWER_COST_MULTIPLIER+school)));
4382	if (powerCost < 0)
4383	powerCost = 0;
4384	return powerCost;
4385	}
4386
4387	uint8 Spell::CheckPower()
4388	{
4389	// item cast not used power
4390	if(m_CastItem)
4391	return 0;
4392
4393	// health as power used - need check health amount
4394	if(m_spellInfo->powerType == POWER_HEALTH)
4395	{
4396	if(m_caster->GetHealth() <= m_powerCost)
4397	return SPELL_FAILED_CASTER_AURASTATE;
4398	return 0;
4399	}
4400	// Check valid power type
4401	if( m_spellInfo->powerType >= MAX_POWERS )
4402	{
4403	sLog.outError("Spell::CheckMana: Unknown power type '%d'", m_spellInfo->powerType);
4404	return SPELL_FAILED_UNKNOWN;
4405	}
4406	// Check power amount
4407	Powers powerType = Powers(m_spellInfo->powerType);
4408	if(m_caster->GetPower(powerType) < m_powerCost)
4409	return SPELL_FAILED_NO_POWER;
4410	else
4411	return 0;
4412	}
4413
4414	uint8 Spell::CheckItems()
4415	{
4416	if (m_caster->GetTypeId() != TYPEID_PLAYER)
4417	return 0;
4418
4419	uint32 itemid, itemcount;
4420	Player* p_caster = (Player*)m_caster;
4421
4422	if(m_CastItem)
4423	{
4424	itemid = m_CastItem->GetEntry();
4425	if( !p_caster->HasItemCount(itemid,1) )
4426	return SPELL_FAILED_ITEM_NOT_READY;
4427	else
4428	{
4429	ItemPrototype const *proto = m_CastItem->GetProto();
4430	if(!proto)
4431	return SPELL_FAILED_ITEM_NOT_READY;
4432
4433	for (int i = 0; i<5; i++)
4434	{
4435	if (proto->Spells[i].SpellCharges)
4436	{
4437	if(m_CastItem->GetSpellCharges(i)==0)
4438	return SPELL_FAILED_NO_CHARGES_REMAIN;
4439	}
4440	}
4441
4442	uint32 ItemClass = proto->Class;
4443	if (ItemClass == ITEM_CLASS_CONSUMABLE && m_targets.getUnitTarget())
4444	{
4445	for (int i = 0; i < 3; i++)
4446	{
4447	// skip check, pet not required like checks, and for TARGET_PET m_targets.getUnitTarget() is not the real target but the caster
4448	if (m_spellInfo->EffectImplicitTargetA[i] == TARGET_PET)
4449	continue;
4450
4451	if (m_spellInfo->Effect[i] == SPELL_EFFECT_HEAL)
4452	if (m_targets.getUnitTarget()->GetHealth() == m_targets.getUnitTarget()->GetMaxHealth())
4453	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_HEALTH;
4454
4455	// Mana Potion, Rage Potion, Thistle Tea(Rogue), ...
4456	if (m_spellInfo->Effect[i] == SPELL_EFFECT_ENERGIZE)
4457	{
4458	if(m_spellInfo->EffectMiscValue[i] < 0 \|\| m_spellInfo->EffectMiscValue[i] >= MAX_POWERS)
4459	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_POWER;
4460
4461	Powers power = Powers(m_spellInfo->EffectMiscValue[i]);
4462
4463	if (m_targets.getUnitTarget()->GetPower(power) == m_targets.getUnitTarget()->GetMaxPower(power))
4464	return (uint8)SPELL_FAILED_ALREADY_AT_FULL_POWER;
4465	}
4466	}
4467	}
4468	}
4469	}
4470
4471	if(m_targets.getItemTargetGUID())
4472	{
4473	if(m_caster->GetTypeId() != TYPEID_PLAYER)
4474	return SPELL_FAILED_BAD_TARGETS;
4475
4476	if(!m_targets.getItemTarget())
4477	return SPELL_FAILED_ITEM_GONE;
4478
4479	if(!m_targets.getItemTarget()->IsFitToSpellRequirements(m_spellInfo))
4480	return SPELL_FAILED_EQUIPPED_ITEM_CLASS;
4481	}
4482	// if not item target then required item must be equipped
4483	else
4484	{
4485	if(m_caster->GetTypeId() == TYPEID_PLAYER && !((Player*)m_caster)->HasItemFitToSpellReqirements(m_spellInfo))
4486	return SPELL_FAILED_EQUIPPED_ITEM_CLASS;
4487	}
4488
4489	if(m_spellInfo->RequiresSpellFocus)
4490	{
4491	CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
4492	Cell cell(p);
4493	cell.data.Part.reserved = ALL_DISTRICT;
4494
4495	GameObject* ok = NULL;
4496	Trinity::GameObjectFocusCheck go_check(m_caster,m_spellInfo->RequiresSpellFocus);
4497	Trinity::GameObjectSearcher<Trinity::GameObjectFocusCheck> checker(ok,go_check);
4498
4499	TypeContainerVisitor<Trinity::GameObjectSearcher<Trinity::GameObjectFocusCheck>, GridTypeMapContainer > object_checker(checker);
4500	CellLock<GridReadGuard> cell_lock(cell, p);
4501	cell_lock->Visit(cell_lock, object_checker, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
4502
4503	if(!ok)
4504	return (uint8)SPELL_FAILED_REQUIRES_SPELL_FOCUS;
4505
4506	focusObject = ok; // game object found in range
4507	}
4508
4509	if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_NO_REAGENT_WHILE_PREP &&
4510	m_caster->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PREPARATION)))
4511	{
4512	for(uint32 i=0;i<8;i++)
4513	{
4514	if(m_spellInfo->Reagent[i] <= 0)
4515	continue;
4516
4517	itemid = m_spellInfo->Reagent[i];
4518	itemcount = m_spellInfo->ReagentCount[i];
4519
4520	// if CastItem is also spell reagent
4521	if( m_CastItem && m_CastItem->GetEntry() == itemid )
4522	{
4523	ItemPrototype const *proto = m_CastItem->GetProto();
4524	if(!proto)
4525	return SPELL_FAILED_ITEM_NOT_READY;
4526	for(int s=0;s<5;s++)
4527	{
4528	// CastItem will be used up and does not count as reagent
4529	int32 charges = m_CastItem->GetSpellCharges(s);
4530	if (proto->Spells[s].SpellCharges < 0 && abs(charges) < 2)
4531	{
4532	++itemcount;
4533	break;
4534	}
4535	}
4536	}
4537	if( !p_caster->HasItemCount(itemid,itemcount) )
4538	return (uint8)SPELL_FAILED_ITEM_NOT_READY; //0x54
4539	}
4540	}
4541
4542	uint32 totems = 2;
4543	for(int i=0;i<2;++i)
4544	{
4545	if(m_spellInfo->Totem[i] != 0)
4546	{
4547	if( p_caster->HasItemCount(m_spellInfo->Totem[i],1) )
4548	{
4549	totems -= 1;
4550	continue;
4551	}
4552	}else
4553	totems -= 1;
4554	}
4555	if(totems != 0)
4556	return (uint8)SPELL_FAILED_TOTEMS; //0x7C
4557
4558	//Check items for TotemCategory
4559	uint32 TotemCategory = 2;
4560	for(int i=0;i<2;++i)
4561	{
4562	if(m_spellInfo->TotemCategory[i] != 0)
4563	{
4564	if( p_caster->HasItemTotemCategory(m_spellInfo->TotemCategory[i]) )
4565	{
4566	TotemCategory -= 1;
4567	continue;
4568	}
4569	}
4570	else
4571	TotemCategory -= 1;
4572	}
4573	if(TotemCategory != 0)
4574	return (uint8)SPELL_FAILED_TOTEM_CATEGORY; //0x7B
4575
4576	for(int i = 0; i < 3; i++)
4577	{
4578	switch (m_spellInfo->Effect[i])
4579	{
4580	case SPELL_EFFECT_CREATE_ITEM:
4581	{
4582	if (!m_IsTriggeredSpell && m_spellInfo->EffectItemType[i])
4583	{
4584	ItemPosCountVec dest;
4585	uint8 msg = p_caster->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, m_spellInfo->EffectItemType[i], 1 );
4586	if (msg != EQUIP_ERR_OK )
4587	{
4588	p_caster->SendEquipError( msg, NULL, NULL );
4589	return SPELL_FAILED_DONT_REPORT;
4590	}
4591	}
4592	break;
4593	}
4594	case SPELL_EFFECT_ENCHANT_ITEM:
4595	{
4596	Item* targetItem = m_targets.getItemTarget();
4597	if(!targetItem)
4598	return SPELL_FAILED_ITEM_NOT_FOUND;
4599
4600	if( targetItem->GetProto()->ItemLevel < m_spellInfo->baseLevel )
4601	return SPELL_FAILED_LOWLEVEL;
4602	// Not allow enchant in trade slot for some enchant type
4603	if( targetItem->GetOwner() != m_caster )
4604	{
4605	uint32 enchant_id = m_spellInfo->EffectMiscValue[i];
4606	SpellItemEnchantmentEntry const *pEnchant = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
4607	if(!pEnchant)
4608	return SPELL_FAILED_ERROR;
4609	if (pEnchant->slot & ENCHANTMENT_CAN_SOULBOUND)
4610	return SPELL_FAILED_NOT_TRADEABLE;
4611	}
4612	break;
4613	}
4614	case SPELL_EFFECT_ENCHANT_ITEM_TEMPORARY:
4615	{
4616	Item *item = m_targets.getItemTarget();
4617	if(!item)
4618	return SPELL_FAILED_ITEM_NOT_FOUND;
4619	// Not allow enchant in trade slot for some enchant type
4620	if( item->GetOwner() != m_caster )
4621	{
4622	uint32 enchant_id = m_spellInfo->EffectMiscValue[i];
4623	SpellItemEnchantmentEntry const *pEnchant = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
4624	if(!pEnchant)
4625	return SPELL_FAILED_ERROR;
4626	if (pEnchant->slot & ENCHANTMENT_CAN_SOULBOUND)
4627	return SPELL_FAILED_NOT_TRADEABLE;
4628	}
4629	break;
4630	}
4631	case SPELL_EFFECT_ENCHANT_HELD_ITEM:
4632	// check item existence in effect code (not output errors at offhand hold item effect to main hand for example
4633	break;
4634	case SPELL_EFFECT_DISENCHANT:
4635	{
4636	if(!m_targets.getItemTarget())
4637	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4638
4639	// prevent disenchanting in trade slot
4640	if( m_targets.getItemTarget()->GetOwnerGUID() != m_caster->GetGUID() )
4641	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4642
4643	ItemPrototype const* itemProto = m_targets.getItemTarget()->GetProto();
4644	if(!itemProto)
4645	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4646
4647	uint32 item_quality = itemProto->Quality;
4648	// 2.0.x addon: Check player enchanting level agains the item desenchanting requirements
4649	uint32 item_disenchantskilllevel = itemProto->RequiredDisenchantSkill;
4650	if (item_disenchantskilllevel == uint32(-1))
4651	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4652	if (item_disenchantskilllevel > p_caster->GetSkillValue(SKILL_ENCHANTING))
4653	return SPELL_FAILED_LOW_CASTLEVEL;
4654	if(item_quality > 4 \|\| item_quality < 2)
4655	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4656	if(itemProto->Class != ITEM_CLASS_WEAPON && itemProto->Class != ITEM_CLASS_ARMOR)
4657	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4658	if (!itemProto->DisenchantID)
4659	return SPELL_FAILED_CANT_BE_DISENCHANTED;
4660	break;
4661	}
4662	case SPELL_EFFECT_PROSPECTING:
4663	{
4664	if(!m_targets.getItemTarget())
4665	return SPELL_FAILED_CANT_BE_PROSPECTED;
4666	//ensure item is a prospectable ore
4667	if(!(m_targets.getItemTarget()->GetProto()->BagFamily & BAG_FAMILY_MASK_MINING_SUPP) \|\| m_targets.getItemTarget()->GetProto()->Class != ITEM_CLASS_TRADE_GOODS)
4668	return SPELL_FAILED_CANT_BE_PROSPECTED;
4669	//prevent prospecting in trade slot
4670	if( m_targets.getItemTarget()->GetOwnerGUID() != m_caster->GetGUID() )
4671	return SPELL_FAILED_CANT_BE_PROSPECTED;
4672	//Check for enough skill in jewelcrafting
4673	uint32 item_prospectingskilllevel = m_targets.getItemTarget()->GetProto()->RequiredSkillRank;
4674	if(item_prospectingskilllevel >p_caster->GetSkillValue(SKILL_JEWELCRAFTING))
4675	return SPELL_FAILED_LOW_CASTLEVEL;
4676	//make sure the player has the required ores in inventory
4677	if(m_targets.getItemTarget()->GetCount() < 5)
4678	return SPELL_FAILED_PROSPECT_NEED_MORE;
4679
4680	if(!LootTemplates_Prospecting.HaveLootFor(m_targets.getItemTargetEntry()))
4681	return SPELL_FAILED_CANT_BE_PROSPECTED;
4682
4683	break;
4684	}
4685	case SPELL_EFFECT_WEAPON_DAMAGE:
4686	case SPELL_EFFECT_WEAPON_DAMAGE_NOSCHOOL:
4687	{
4688	if(m_caster->GetTypeId() != TYPEID_PLAYER) return SPELL_FAILED_TARGET_NOT_PLAYER;
4689	if( m_attackType != RANGED_ATTACK )
4690	break;
4691	Item pItem = ((Player)m_caster)->GetWeaponForAttack(m_attackType);
4692	if(!pItem \|\| pItem->IsBroken())
4693	return SPELL_FAILED_EQUIPPED_ITEM;
4694
4695	switch(pItem->GetProto()->SubClass)
4696	{
4697	case ITEM_SUBCLASS_WEAPON_THROWN:
4698	{
4699	uint32 ammo = pItem->GetEntry();
4700	if( !((Player*)m_caster)->HasItemCount( ammo, 1 ) )
4701	return SPELL_FAILED_NO_AMMO;
4702	}; break;
4703	case ITEM_SUBCLASS_WEAPON_GUN:
4704	case ITEM_SUBCLASS_WEAPON_BOW:
4705	case ITEM_SUBCLASS_WEAPON_CROSSBOW:
4706	{
4707	uint32 ammo = ((Player*)m_caster)->GetUInt32Value(PLAYER_AMMO_ID);
4708	if(!ammo)
4709	{
4710	// Requires No Ammo
4711	if(m_caster->GetDummyAura(46699))
4712	break; // skip other checks
4713
4714	return SPELL_FAILED_NO_AMMO;
4715	}
4716
4717	ItemPrototype const *ammoProto = objmgr.GetItemPrototype( ammo );
4718	if(!ammoProto)
4719	return SPELL_FAILED_NO_AMMO;
4720
4721	if(ammoProto->Class != ITEM_CLASS_PROJECTILE)
4722	return SPELL_FAILED_NO_AMMO;
4723
4724	// check ammo ws. weapon compatibility
4725	switch(pItem->GetProto()->SubClass)
4726	{
4727	case ITEM_SUBCLASS_WEAPON_BOW:
4728	case ITEM_SUBCLASS_WEAPON_CROSSBOW:
4729	if(ammoProto->SubClass!=ITEM_SUBCLASS_ARROW)
4730	return SPELL_FAILED_NO_AMMO;
4731	break;
4732	case ITEM_SUBCLASS_WEAPON_GUN:
4733	if(ammoProto->SubClass!=ITEM_SUBCLASS_BULLET)
4734	return SPELL_FAILED_NO_AMMO;
4735	break;
4736	default:
4737	return SPELL_FAILED_NO_AMMO;
4738	}
4739
4740	if( !((Player*)m_caster)->HasItemCount( ammo, 1 ) )
4741	return SPELL_FAILED_NO_AMMO;
4742	}; break;
4743	case ITEM_SUBCLASS_WEAPON_WAND:
4744	default:
4745	break;
4746	}
4747	break;
4748	}
4749	default:break;
4750	}
4751	}
4752
4753	return uint8(0);
4754	}
4755
4756	void Spell::Delayed()
4757	{
4758	if(!m_caster \|\| m_caster->GetTypeId() != TYPEID_PLAYER)
4759	return;
4760
4761	if (m_spellState == SPELL_STATE_DELAYED)
4762	return; // spell is active and can't be time-backed
4763
4764	// spells not loosing casting time ( slam, dynamites, bombs.. )
4765	if(!(m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_DAMAGE))
4766	return;
4767
4768	//check resist chance
4769	int32 resistChance = 100; //must be initialized to 100 for percent modifiers
4770	((Player*)m_caster)->ApplySpellMod(m_spellInfo->Id,SPELLMOD_NOT_LOSE_CASTING_TIME,resistChance, this);
4771	resistChance += m_caster->GetTotalAuraModifier(SPELL_AURA_RESIST_PUSHBACK) - 100;
4772	if (roll_chance_i(resistChance))
4773	return;
4774
4775	int32 delaytime = GetNextDelayAtDamageMsTime();
4776
4777	if(int32(m_timer) + delaytime > m_casttime)
4778	{
4779	delaytime = m_casttime - m_timer;
4780	m_timer = m_casttime;
4781	}
4782	else
4783	m_timer += delaytime;
4784
4785	sLog.outDetail("Spell %u partially interrupted for (%d) ms at damage",m_spellInfo->Id,delaytime);
4786
4787	WorldPacket data(SMSG_SPELL_DELAYED, 8+4);
4788	data.append(m_caster->GetPackGUID());
4789	data << uint32(delaytime);
4790
4791	m_caster->SendMessageToSet(&data,true);
4792	}
4793
4794	void Spell::DelayedChannel()
4795	{
4796	if(!m_caster \|\| m_caster->GetTypeId() != TYPEID_PLAYER \|\| getState() != SPELL_STATE_CASTING)
4797	return;
4798
4799	//check resist chance
4800	int32 resistChance = 100; //must be initialized to 100 for percent modifiers
4801	((Player*)m_caster)->ApplySpellMod(m_spellInfo->Id,SPELLMOD_NOT_LOSE_CASTING_TIME,resistChance, this);
4802	resistChance += m_caster->GetTotalAuraModifier(SPELL_AURA_RESIST_PUSHBACK) - 100;
4803	if (roll_chance_i(resistChance))
4804	return;
4805
4806	int32 delaytime = GetNextDelayAtDamageMsTime();
4807
4808	if(int32(m_timer) < delaytime)
4809	{
4810	delaytime = m_timer;
4811	m_timer = 0;
4812	}
4813	else
4814	m_timer -= delaytime;
4815
4816	sLog.outDebug("Spell %u partially interrupted for %i ms, new duration: %u ms", m_spellInfo->Id, delaytime, m_timer);
4817
4818	for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
4819	{
4820	if ((*ihit).missCondition == SPELL_MISS_NONE)
4821	{
4822	Unit* unit = m_caster->GetGUID()==ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, ihit->targetGUID);
4823	if (unit)
4824	{
4825	for (int j=0;j<3;j++)
4826	if( ihit->effectMask & (1<<j) )
4827	unit->DelayAura(m_spellInfo->Id, j, delaytime);
4828	}
4829
4830	}
4831	}
4832
4833	for(int j = 0; j < 3; j++)
4834	{
4835	// partially interrupt persistent area auras
4836	DynamicObject* dynObj = m_caster->GetDynObject(m_spellInfo->Id, j);
4837	if(dynObj)
4838	dynObj->Delay(delaytime);
4839	}
4840
4841	SendChannelUpdate(m_timer);
4842	}
4843
4844	void Spell::UpdatePointers()
4845	{
4846	if(m_originalCasterGUID==m_caster->GetGUID())
4847	m_originalCaster = m_caster;
4848	else
4849	{
4850	m_originalCaster = ObjectAccessor::GetUnit(*m_caster,m_originalCasterGUID);
4851	if(m_originalCaster && !m_originalCaster->IsInWorld()) m_originalCaster = NULL;
4852	}
4853
4854	m_targets.Update(m_caster);
4855	}
4856
4857	bool Spell::IsAffectedBy(SpellEntry const *spellInfo, uint32 effectId)
4858	{
4859	return spellmgr.IsAffectedBySpell(m_spellInfo,spellInfo->Id,effectId,spellInfo->EffectItemType[effectId]);
4860	}
4861
4862	bool Spell::CheckTargetCreatureType(Unit* target) const
4863	{
4864	uint32 spellCreatureTargetMask = m_spellInfo->TargetCreatureType;
4865
4866	// Curse of Doom : not find another way to fix spell target check :/
4867	if(m_spellInfo->SpellFamilyName==SPELLFAMILY_WARLOCK && m_spellInfo->SpellFamilyFlags == 0x0200000000LL)
4868	{
4869	// not allow cast at player
4870	if(target->GetTypeId()==TYPEID_PLAYER)
4871	return false;
4872
4873	spellCreatureTargetMask = 0x7FF;
4874	}
4875
4876	// Dismiss Pet and Taming Lesson skipped
4877	if(m_spellInfo->Id == 2641 \|\| m_spellInfo->Id == 23356)
4878	spellCreatureTargetMask = 0;
4879
4880	if (spellCreatureTargetMask)
4881	{
4882	uint32 TargetCreatureType = target->GetCreatureTypeMask();
4883
4884	return !TargetCreatureType \|\| (spellCreatureTargetMask & TargetCreatureType);
4885	}
4886	return true;
4887	}
4888
4889	CurrentSpellTypes Spell::GetCurrentContainer()
4890	{
4891	if (IsNextMeleeSwingSpell())
4892	return(CURRENT_MELEE_SPELL);
4893	else if (IsAutoRepeat())
4894	return(CURRENT_AUTOREPEAT_SPELL);
4895	else if (IsChanneledSpell(m_spellInfo))
4896	return(CURRENT_CHANNELED_SPELL);
4897	else
4898	return(CURRENT_GENERIC_SPELL);
4899	}
4900
4901	bool Spell::CheckTarget( Unit* target, uint32 eff, bool hitPhase )
4902	{
4903	// Check targets for creature type mask and remove not appropriate (skip explicit self target case, maybe need other explicit targets)
4904	if(m_spellInfo->EffectImplicitTargetA[eff]!=TARGET_SELF && !m_magnetPair.first)
4905	{
4906	if (!CheckTargetCreatureType(target))
4907	return false;
4908	}
4909
4910	// Check targets for not_selectable unit flag and remove
4911	// A player can cast spells on his pet (or other controlled unit) though in any state
4912	if (target != m_caster && target->GetCharmerOrOwnerGUID() != m_caster->GetGUID())
4913	{
4914	// any unattackable target skipped
4915	if (target->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE))
4916	return false;
4917
4918	// unselectable targets skipped in all cases except TARGET_SCRIPT targeting
4919	// in case TARGET_SCRIPT target selected by server always and can't be cheated
4920	if( target->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE) &&
4921	m_spellInfo->EffectImplicitTargetA[eff] != TARGET_SCRIPT &&
4922	m_spellInfo->EffectImplicitTargetB[eff] != TARGET_SCRIPT )
4923	return false;
4924	}
4925
4926	//Check player targets and remove if in GM mode or GM invisibility (for not self casting case)
4927	if( target != m_caster && target->GetTypeId()==TYPEID_PLAYER)
4928	{
4929	if(((Player*)target)->GetVisibility()==VISIBILITY_OFF)
4930	return false;
4931
4932	if(((Player*)target)->isGameMaster() && !IsPositiveSpell(m_spellInfo->Id))
4933	return false;
4934	}
4935
4936	//Check targets for LOS visibility (except spells without range limitations )
4937	switch(m_spellInfo->Effect[eff])
4938	{
4939	case SPELL_EFFECT_SUMMON_PLAYER: // from anywhere
4940	break;
4941	case SPELL_EFFECT_DUMMY:
4942	if(m_spellInfo->Id!=20577) // Cannibalize
4943	break;
4944	//fall through
4945	case SPELL_EFFECT_RESURRECT_NEW:
4946	// player far away, maybe his corpse near?
4947	if(target!=m_caster && !target->IsWithinLOSInMap(m_caster))
4948	{
4949	if(!m_targets.getCorpseTargetGUID())
4950	return false;
4951
4952	Corpse corpse = ObjectAccessor::GetCorpse(m_caster,m_targets.getCorpseTargetGUID());
4953	if(!corpse)
4954	return false;
4955
4956	if(target->GetGUID()!=corpse->GetOwnerGUID())
4957	return false;
4958
4959	if(!corpse->IsWithinLOSInMap(m_caster))
4960	return false;
4961	}
4962
4963	// all ok by some way or another, skip normal check
4964	break;
4965	default: // normal case
4966	if(target!=m_caster && !target->IsWithinLOSInMap(m_caster))
4967	return false;
4968	break;
4969	}
4970
4971	return true;
4972	}
4973
4974	Unit* Spell::SelectMagnetTarget()
4975	{
4976	Unit* target = m_targets.getUnitTarget();
4977
4978	if(target && target->HasAuraType(SPELL_AURA_SPELL_MAGNET) && !(m_spellInfo->Attributes & 0x10))
4979	{
4980	Unit::AuraList const& magnetAuras = target->GetAurasByType(SPELL_AURA_SPELL_MAGNET);
4981	for(Unit::AuraList::const_iterator itr = magnetAuras.begin(); itr != magnetAuras.end(); ++itr)
4982	{
4983	if(Unit* magnet = (*itr)->GetCaster())
4984	{
4985	if((*itr)->m_procCharges>0 && magnet->IsWithinLOSInMap(m_caster))
4986	{
4987	(itr)->SetAuraProcCharges((itr)->m_procCharges-1);
4988	m_magnetPair.first = true;
4989	m_magnetPair.second = magnet;
4990
4991	target = magnet;
4992	m_targets.setUnitTarget(target);
4993	break;
4994	}
4995	}
4996	}
4997	}
4998
4999	return target;
5000	}
5001
5002	bool Spell::IsNeedSendToClient() const
5003	{
5004	return m_spellInfo->SpellVisual!=0 \|\| IsChanneledSpell(m_spellInfo) \|\|
5005	m_spellInfo->speed > 0.0f \|\| !m_triggeredByAuraSpell && !m_IsTriggeredSpell;
5006	}
5007
5008	bool Spell::HaveTargetsForEffect( uint8 effect ) const
5009	{
5010	for(std::list<TargetInfo>::const_iterator itr= m_UniqueTargetInfo.begin();itr != m_UniqueTargetInfo.end();++itr)
5011	if(itr->effectMask & (1<<effect))
5012	return true;
5013
5014	for(std::list<GOTargetInfo>::const_iterator itr= m_UniqueGOTargetInfo.begin();itr != m_UniqueGOTargetInfo.end();++itr)
5015	if(itr->effectMask & (1<<effect))
5016	return true;
5017
5018	for(std::list<ItemTargetInfo>::const_iterator itr= m_UniqueItemInfo.begin();itr != m_UniqueItemInfo.end();++itr)
5019	if(itr->effectMask & (1<<effect))
5020	return true;
5021
5022	return false;
5023	}
5024
5025	SpellEvent::SpellEvent(Spell* spell) : BasicEvent()
5026	{
5027	m_Spell = spell;
5028	}
5029
5030	SpellEvent::~SpellEvent()
5031	{
5032	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5033	m_Spell->cancel();
5034
5035	if (m_Spell->IsDeletable())
5036	{
5037	delete m_Spell;
5038	}
5039	else
5040	{
5041	sLog.outError("~SpellEvent: %s %u tried to delete non-deletable spell %u. Was not deleted, causes memory leak.",
5042	(m_Spell->GetCaster()->GetTypeId()==TYPEID_PLAYER?"Player":"Creature"), m_Spell->GetCaster()->GetGUIDLow(),m_Spell->m_spellInfo->Id);
5043	}
5044	}
5045
5046	bool SpellEvent::Execute(uint64 e_time, uint32 p_time)
5047	{
5048	// update spell if it is not finished
5049	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5050	m_Spell->update(p_time);
5051
5052	// check spell state to process
5053	switch (m_Spell->getState())
5054	{
5055	case SPELL_STATE_FINISHED:
5056	{
5057	// spell was finished, check deletable state
5058	if (m_Spell->IsDeletable())
5059	{
5060	// check, if we do have unfinished triggered spells
5061
5062	return(true); // spell is deletable, finish event
5063	}
5064	// event will be re-added automatically at the end of routine)
5065	} break;
5066
5067	case SPELL_STATE_CASTING:
5068	{
5069	// this spell is in channeled state, process it on the next update
5070	// event will be re-added automatically at the end of routine)
5071	} break;
5072
5073	case SPELL_STATE_DELAYED:
5074	{
5075	// first, check, if we have just started
5076	if (m_Spell->GetDelayStart() != 0)
5077	{
5078	// no, we aren't, do the typical update
5079	// check, if we have channeled spell on our hands
5080	if (IsChanneledSpell(m_Spell->m_spellInfo))
5081	{
5082	// evented channeled spell is processed separately, casted once after delay, and not destroyed till finish
5083	// check, if we have casting anything else except this channeled spell and autorepeat
5084	if (m_Spell->GetCaster()->IsNonMeleeSpellCasted(false, true, true))
5085	{
5086	// another non-melee non-delayed spell is casted now, abort
5087	m_Spell->cancel();
5088	}
5089	else
5090	{
5091	// do the action (pass spell to channeling state)
5092	m_Spell->handle_immediate();
5093	}
5094	// event will be re-added automatically at the end of routine)
5095	}
5096	else
5097	{
5098	// run the spell handler and think about what we can do next
5099	uint64 t_offset = e_time - m_Spell->GetDelayStart();
5100	uint64 n_offset = m_Spell->handle_delayed(t_offset);
5101	if (n_offset)
5102	{
5103	// re-add us to the queue
5104	m_Spell->GetCaster()->m_Events.AddEvent(this, m_Spell->GetDelayStart() + n_offset, false);
5105	return(false); // event not complete
5106	}
5107	// event complete
5108	// finish update event will be re-added automatically at the end of routine)
5109	}
5110	}
5111	else
5112	{
5113	// delaying had just started, record the moment
5114	m_Spell->SetDelayStart(e_time);
5115	// re-plan the event for the delay moment
5116	m_Spell->GetCaster()->m_Events.AddEvent(this, e_time + m_Spell->GetDelayMoment(), false);
5117	return(false); // event not complete
5118	}
5119	} break;
5120
5121	default:
5122	{
5123	// all other states
5124	// event will be re-added automatically at the end of routine)
5125	} break;
5126	}
5127
5128	// spell processing not complete, plan event on the next update interval
5129	m_Spell->GetCaster()->m_Events.AddEvent(this, e_time + 1, false);
5130	return(false); // event not complete
5131	}
5132
5133	void SpellEvent::Abort(uint64 /e_time/)
5134	{
5135	// oops, the spell we try to do is aborted
5136	if (m_Spell->getState() != SPELL_STATE_FINISHED)
5137	m_Spell->cancel();
5138	}

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root/trunk/src/game/Spell.cpp @ 157

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