src/game/Totem.cpp

   1 /*
   2  * Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "Totem.h"
  20 #include "WorldPacket.h"
  21 #include "Log.h"
  22 #include "Group.h"
  23 #include "Player.h"
  24 #include "ObjectMgr.h"
  25 #include "SpellMgr.h"
  26 #include "CreatureAI.h"
  27
  28 Totem::Totem() : Creature(CREATURE_SUBTYPE_TOTEM)
  29 {
  30     m_duration = 0;
  31     m_type = TOTEM_PASSIVE;
  32 }
  33
  34 void Totem::Update( uint32 time )
  35 {
  36     Unit *owner = GetOwner();
  37     if (!owner || !owner->isAlive() || !isAlive())
  38     {
  39         UnSummon();                                         // remove self
  40         return;
  41     }
  42
  43     if (m_duration <= time)
  44     {
  45         UnSummon();                                         // remove self
  46         return;
  47     }
  48     else
  49         m_duration -= time;
  50
  51     Creature::Update( time );
  52 }
  53
  54 void Totem::Summon(Unit* owner)
  55 {
  56     owner->GetMap()->Add((Creature*)this);
  57
  58     // select totem model in dependent from owner team
  59     CreatureInfo const *cinfo = GetCreatureInfo();
  60     if(owner->GetTypeId() == TYPEID_PLAYER && cinfo)
  61     {
  62         uint32 display_id = sObjectMgr.ChooseDisplayId(((Player*)owner)->GetTeam(), cinfo);
  63         CreatureModelInfo const *minfo = sObjectMgr.GetCreatureModelRandomGender(display_id);
  64         if (minfo)
  65             display_id = minfo->modelid;
  66         SetDisplayId(display_id);
  67     }
  68
  69     AIM_Initialize();
  70
  71     if (owner->GetTypeId() == TYPEID_UNIT && ((Creature*)owner)->AI())
  72         ((Creature*)owner)->AI()->JustSummoned((Creature*)this);
  73
  74     // there are some totems, which exist just for their visual appeareance
  75     if (!GetSpell())
  76         return;
  77
  78     switch(m_type)
  79     {
  80         case TOTEM_PASSIVE:
  81             CastSpell(this, GetSpell(), true);
  82             break;
  83         case TOTEM_STATUE:
  84             CastSpell(GetOwner(), GetSpell(), true);
  85             break;
  86         default: break;
  87     }
  88 }
  89
  90 void Totem::UnSummon()
  91 {
  92     CombatStop();
  93     RemoveAurasDueToSpell(GetSpell());
  94
  95     if (Unit *owner = GetOwner())
  96     {
  97         owner->_RemoveTotem(this);
  98         owner->RemoveAurasDueToSpell(GetSpell());
  99
 100         //remove aura all party members too
 101         if (owner->GetTypeId() == TYPEID_PLAYER)
 102         {
 103             ((Player*)owner)->SendAutoRepeatCancel(this);
 104
 105             // Not only the player can summon the totem (scripted AI)
 106             if (Group *pGroup = ((Player*)owner)->GetGroup())
 107             {
 108                 for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
 109                 {
 110                     Player* Target = itr->getSource();
 111                     if(Target && pGroup->SameSubGroup((Player*)owner, Target))
 112                         Target->RemoveAurasDueToSpell(GetSpell());
 113                 }
 114             }
 115         }
 116
 117         if (owner->GetTypeId() == TYPEID_UNIT && ((Creature*)owner)->AI())
 118             ((Creature*)owner)->AI()->SummonedCreatureDespawn((Creature*)this);
 119     }
 120
 121     AddObjectToRemoveList();
 122 }
 123
 124 void Totem::SetOwner(uint64 guid)
 125 {
 126     SetCreatorGUID(guid);
 127     SetOwnerGUID(guid);
 128     if (Unit *owner = GetOwner())
 129     {
 130         setFaction(owner->getFaction());
 131         SetLevel(owner->getLevel());
 132     }
 133 }
 134
 135 Unit *Totem::GetOwner()
 136 {
 137     uint64 ownerid = GetOwnerGUID();
 138     if(!ownerid)
 139         return NULL;
 140     return ObjectAccessor::GetUnit(*this, ownerid);
 141 }
 142
 143 void Totem::SetTypeBySummonSpell(SpellEntry const * spellProto)
 144 {
 145     // Get spell casted by totem
 146     SpellEntry const * totemSpell = sSpellStore.LookupEntry(GetSpell());
 147     if (totemSpell)
 148     {
 149         // If spell have cast time -> so its active totem
 150         if (GetSpellCastTime(totemSpell))
 151             m_type = TOTEM_ACTIVE;
 152     }
 153     if(spellProto->SpellIconID == 2056)
 154         m_type = TOTEM_STATUE;                              //Jewelery statue
 155 }
 156
 157 bool Totem::IsImmunedToSpellEffect(SpellEntry const* spellInfo, SpellEffectIndex index) const
 158 {
 159     // TODO: possibly all negative auras immune?
 160     switch(spellInfo->Effect[index])
 161     {
 162         case SPELL_EFFECT_ATTACK_ME:
 163             return true;
 164         default:
 165             break;
 166     }
 167     switch(spellInfo->EffectApplyAuraName[index])
 168     {
 169         case SPELL_AURA_PERIODIC_DAMAGE:
 170         case SPELL_AURA_PERIODIC_LEECH:
 171         case SPELL_AURA_MOD_FEAR:
 172         case SPELL_AURA_TRANSFORM:
 173         case SPELL_AURA_MOD_TAUNT:
 174             return true;
 175         default:
 176             break;
 177     }
 178     return Creature::IsImmunedToSpellEffect(spellInfo, index);
 179 }