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     sLog.outDebug("AddObject at Totem.cpp line 49");
  57
  58     SetInstanceId(owner->GetInstanceId());
  59     owner->GetMap()->Add((Creature*)this);
  60
  61     // select totem model in dependent from owner team
  62     CreatureInfo const *cinfo = GetCreatureInfo();
  63     if(owner->GetTypeId()==TYPEID_PLAYER && cinfo)
  64     {
  65         if(((Player*)owner)->GetTeam()==HORDE)
  66             SetDisplayId(cinfo->DisplayID_H);
  67         else
  68             SetDisplayId(cinfo->DisplayID_A);
  69     }
  70
  71     WorldPacket data(SMSG_GAMEOBJECT_SPAWN_ANIM_OBSOLETE, 8);
  72     data << GetGUID();
  73     SendMessageToSet(&data,true);
  74
  75     AIM_Initialize();
  76
  77     switch(m_type)
  78     {
  79         case TOTEM_PASSIVE: CastSpell(this, GetSpell(), true); break;
  80         case TOTEM_STATUE:  CastSpell(GetOwner(), GetSpell(), true); break;
  81         default: break;
  82     }
  83 }
  84
  85 void Totem::UnSummon()
  86 {
  87     SendObjectDeSpawnAnim(GetGUID());
  88
  89     CombatStop();
  90     RemoveAurasDueToSpell(GetSpell());
  91     Unit *owner = GetOwner();
  92     if (owner)
  93     {
  94         // clear owenr'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         Group *pGroup = NULL;
 108         if (owner->GetTypeId() == TYPEID_PLAYER)
 109         {
 110             // Not only the player can summon the totem (scripted AI)
 111             pGroup = ((Player*)owner)->GetGroup();
 112             if (pGroup)
 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     CleanupsBeforeDelete();
 125     AddObjectToRemoveList();
 126 }
 127
 128 void Totem::SetOwner(uint64 guid)
 129 {
 130     SetCreatorGUID(guid);
 131     SetOwnerGUID(guid);
 132     if (Unit *owner = GetOwner())
 133     {
 134         setFaction(owner->getFaction());
 135         SetLevel(owner->getLevel());
 136     }
 137 }
 138
 139 Unit *Totem::GetOwner()
 140 {
 141     uint64 ownerid = GetOwnerGUID();
 142     if(!ownerid)
 143         return NULL;
 144     return ObjectAccessor::GetUnit(*this, ownerid);
 145 }
 146
 147 void Totem::SetTypeBySummonSpell(SpellEntry const * spellProto)
 148 {
 149     // Get spell casted by totem
 150     SpellEntry const * totemSpell = sSpellStore.LookupEntry(GetSpell());
 151     if (totemSpell)
 152     {
 153         // If spell have cast time -> so its active totem
 154         if (GetSpellCastTime(totemSpell))
 155             m_type = TOTEM_ACTIVE;
 156     }
 157     if(spellProto->SpellIconID==2056)
 158         m_type = TOTEM_STATUE;                              //Jewelery statue
 159 }
 160
 161 bool Totem::IsImmunedToSpellEffect(SpellEntry const* spellInfo, uint32 index) const
 162 {
 163     // TODO: possibly all negative auras immuned?
 164     switch(spellInfo->EffectApplyAuraName[index])
 165     {
 166         case SPELL_AURA_PERIODIC_DAMAGE:
 167         case SPELL_AURA_PERIODIC_LEECH:
 168         case SPELL_AURA_MOD_FEAR:
 169         case SPELL_AURA_TRANSFORM:
 170             return true;
 171         default:
 172             break;
 173     }
 174     return Creature::IsImmunedToSpellEffect(spellInfo, index);
 175 }