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Spell.cpp @ 83

Revision 69, 201.9 kB (checked in by yumileroy, 17 years ago)

[svn] Add Unit::IsWithinCombatDist? function to check melee range and spell range (now range is related to the attacker's bounding_radius and target's combat_reach, not sure if both should be combat_reach).

Original author: megamage
Date: 2008-10-19 14:42:12-05:00

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

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root/trunk/src/game/Spell.cpp @ 83

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