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
  27 Totem::Totem() : Creature(CREATURE_SUBTYPE_TOTEM)
  28 {
  29     m_duration = 0;
  30     m_type = TOTEM_PASSIVE;
  31 }
  32
  33 void Totem::Update( uint32 time )
  34 {
  35     Unit *owner = GetOwner();
  36     if (!owner || !owner->isAlive() || !isAlive())
  37     {
  38         UnSummon();                                         // remove self
  39         return;
  40     }
  41
  42     if (m_duration <= time)
  43     {
  44         UnSummon();                                         // remove self
  45         return;
  46     }
  47     else
  48         m_duration -= time;
  49
  50     Creature::Update( time );
  51 }
  52
  53 void Totem::Summon(Unit* owner)
  54 {
  55     owner->GetMap()->Add((Creature*)this);
  56
  57     // select totem model in dependent from owner team
  58     CreatureInfo const *cinfo = GetCreatureInfo();
  59     if(owner->GetTypeId() == TYPEID_PLAYER && cinfo)
  60     {
  61         uint32 display_id = sObjectMgr.ChooseDisplayId(((Player*)owner)->GetTeam(), cinfo);
  62         CreatureModelInfo const *minfo = sObjectMgr.GetCreatureModelRandomGender(display_id);
  63         if (minfo)
  64             display_id = minfo->modelid;
  65         SetDisplayId(display_id);
  66     }
  67
  68     AIM_Initialize();
  69
  70     // there are some totems, which exist just for their visual appeareance
  71     if (!GetSpell())
  72         return;
  73
  74     switch(m_type)
  75     {
  76         case TOTEM_PASSIVE:
  77             CastSpell(this, GetSpell(), true);
  78             break;
  79         case TOTEM_STATUE:
  80             CastSpell(GetOwner(), GetSpell(), true);
  81             break;
  82         default: break;
  83     }
  84 }
  85
  86 void Totem::UnSummon()
  87 {
  88     CombatStop();
  89     RemoveAurasDueToSpell(GetSpell());
  90
  91     if (Unit *owner = GetOwner())
  92     {
  93         // clear owner's totem slot
  94         for(int i = 0; i < MAX_TOTEM; ++i)
  95         {
  96             if(owner->m_TotemSlot[i] == GetGUID())
  97             {
  98                 owner->m_TotemSlot[i] = 0;
  99                 break;
 100             }
 101         }
 102
 103         owner->RemoveAurasDueToSpell(GetSpell());
 104
 105         //remove aura all party members too
 106         if (owner->GetTypeId() == TYPEID_PLAYER)
 107         {
 108             ((Player*)owner)->SendAutoRepeatCancel(this);
 109
 110             // Not only the player can summon the totem (scripted AI)
 111             if (Group *pGroup = ((Player*)owner)->GetGroup())
 112             {
 113                 for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
 114                 {
 115                     Player* Target = itr->getSource();
 116                     if(Target && pGroup->SameSubGroup((Player*)owner, Target))
 117                         Target->RemoveAurasDueToSpell(GetSpell());
 118                 }
 119             }
 120         }
 121     }
 122
 123     AddObjectToRemoveList();
 124 }
 125
 126 void Totem::SetOwner(uint64 guid)
 127 {
 128     SetCreatorGUID(guid);
 129     SetOwnerGUID(guid);
 130     if (Unit *owner = GetOwner())
 131     {
 132         setFaction(owner->getFaction());
 133         SetLevel(owner->getLevel());
 134     }
 135 }
 136
 137 Unit *Totem::GetOwner()
 138 {
 139     uint64 ownerid = GetOwnerGUID();
 140     if(!ownerid)
 141         return NULL;
 142     return ObjectAccessor::GetUnit(*this, ownerid);
 143 }
 144
 145 void Totem::SetTypeBySummonSpell(SpellEntry const * spellProto)
 146 {
 147     // Get spell casted by totem
 148     SpellEntry const * totemSpell = sSpellStore.LookupEntry(GetSpell());
 149     if (totemSpell)
 150     {
 151         // If spell have cast time -> so its active totem
 152         if (GetSpellCastTime(totemSpell))
 153             m_type = TOTEM_ACTIVE;
 154     }
 155     if(spellProto->SpellIconID == 2056)
 156         m_type = TOTEM_STATUE;                              //Jewelery statue
 157 }
 158
 159 bool Totem::IsImmunedToSpellEffect(SpellEntry const* spellInfo, uint32 index) const
 160 {
 161     // TODO: possibly all negative auras immune?
 162     switch(spellInfo->Effect[index])
 163     {
 164         case SPELL_EFFECT_ATTACK_ME:
 165             return true;
 166         default:
 167             break;
 168     }
 169     switch(spellInfo->EffectApplyAuraName[index])
 170     {
 171         case SPELL_AURA_PERIODIC_DAMAGE:
 172         case SPELL_AURA_PERIODIC_LEECH:
 173         case SPELL_AURA_MOD_FEAR:
 174         case SPELL_AURA_TRANSFORM:
 175         case SPELL_AURA_MOD_TAUNT:
 176             return true;
 177         default:
 178             break;
 179     }
 180     return Creature::IsImmunedToSpellEffect(spellInfo, index);
 181 }