src/game/Totem.cpp

   1 /*
   2  * Copyright (C) 2005-2009 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
  27 Totem::Totem() : Creature()
  28 {
  29     m_isTotem = true;
  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     // there are some totems, which exist just for their visual appeareance
  72     if (!GetSpell())
  73         return;
  74
  75     switch(m_type)
  76     {
  77         case TOTEM_PASSIVE:
  78             CastSpell(this, GetSpell(), true);
  79             break;
  80         case TOTEM_STATUE:
  81             CastSpell(GetOwner(), GetSpell(), true);
  82             break;
  83         default: break;
  84     }
  85 }
  86
  87 void Totem::UnSummon()
  88 {
  89     CombatStop();
  90     RemoveAurasDueToSpell(GetSpell());
  91
  92     if (Unit *owner = GetOwner())
  93     {
  94         // clear owner's totem slot
  95         for(int i = 0; i < MAX_TOTEM; ++i)
  96         {
  97             if(owner->m_TotemSlot[i] == GetGUID())
  98             {
  99                 owner->m_TotemSlot[i] = 0;
 100                 break;
 101             }
 102         }
 103
 104         owner->RemoveAurasDueToSpell(GetSpell());
 105
 106         //remove aura all party members too
 107         if (owner->GetTypeId() == TYPEID_PLAYER)
 108         {
 109             ((Player*)owner)->SendAutoRepeatCancel(this);
 110
 111             // Not only the player can summon the totem (scripted AI)
 112             if (Group *pGroup = ((Player*)owner)->GetGroup())
 113             {
 114                 for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
 115                 {
 116                     Player* Target = itr->getSource();
 117                     if(Target && pGroup->SameSubGroup((Player*)owner, Target))
 118                         Target->RemoveAurasDueToSpell(GetSpell());
 119                 }
 120             }
 121         }
 122     }
 123
 124     AddObjectToRemoveList();
 125 }
 126
 127 void Totem::SetOwner(uint64 guid)
 128 {
 129     SetCreatorGUID(guid);
 130     SetOwnerGUID(guid);
 131     if (Unit *owner = GetOwner())
 132     {
 133         setFaction(owner->getFaction());
 134         SetLevel(owner->getLevel());
 135     }
 136 }
 137
 138 Unit *Totem::GetOwner()
 139 {
 140     uint64 ownerid = GetOwnerGUID();
 141     if(!ownerid)
 142         return NULL;
 143     return ObjectAccessor::GetUnit(*this, ownerid);
 144 }
 145
 146 void Totem::SetTypeBySummonSpell(SpellEntry const * spellProto)
 147 {
 148     // Get spell casted by totem
 149     SpellEntry const * totemSpell = sSpellStore.LookupEntry(GetSpell());
 150     if (totemSpell)
 151     {
 152         // If spell have cast time -> so its active totem
 153         if (GetSpellCastTime(totemSpell))
 154             m_type = TOTEM_ACTIVE;
 155     }
 156     if(spellProto->SpellIconID == 2056)
 157         m_type = TOTEM_STATUE;                              //Jewelery statue
 158 }
 159
 160 bool Totem::IsImmunedToSpellEffect(SpellEntry const* spellInfo, uint32 index) const
 161 {
 162     // TODO: possibly all negative auras immune?
 163     switch(spellInfo->Effect[index])
 164     {
 165         case SPELL_EFFECT_ATTACK_ME:
 166             return true;
 167         default:
 168             break;
 169     }
 170     switch(spellInfo->EffectApplyAuraName[index])
 171     {
 172         case SPELL_AURA_PERIODIC_DAMAGE:
 173         case SPELL_AURA_PERIODIC_LEECH:
 174         case SPELL_AURA_MOD_FEAR:
 175         case SPELL_AURA_TRANSFORM:
 176         case SPELL_AURA_MOD_TAUNT:
 177             return true;
 178         default:
 179             break;
 180     }
 181     return Creature::IsImmunedToSpellEffect(spellInfo, index);
 182 }