Exemplo n.º 1
0
void GameObject::Use(Unit* user)
{
    // by default spell caster is user
    Unit* spellCaster = user;
    uint32 spellId = 0;

    switch(GetGoType())
    {
        case GAMEOBJECT_TYPE_DOOR:                          //0
        case GAMEOBJECT_TYPE_BUTTON:                        //1
            //doors/buttons never really despawn, only reset to default state/flags
            UseDoorOrButton();

            // activate script
            sWorld.ScriptsStart(sGameObjectScripts, GetDBTableGUIDLow(), spellCaster, this);
            return;

        case GAMEOBJECT_TYPE_QUESTGIVER:                    //2
        {
            if(user->GetTypeId()!=TYPEID_PLAYER)
                return;

            Player* player = (Player*)user;

            player->PrepareQuestMenu( GetGUID() );
            player->SendPreparedQuest( GetGUID() );
            return;
        }
        //Sitting: Wooden bench, chairs enzz
        case GAMEOBJECT_TYPE_CHAIR:                         //7
        {
            GameObjectInfo const* info = GetGOInfo();
            if(!info)
                return;

            if(user->GetTypeId()!=TYPEID_PLAYER)
                return;

            Player* player = (Player*)user;

            // a chair may have n slots. we have to calculate their positions and teleport the player to the nearest one

            // check if the db is sane
            if(info->chair.slots > 0)
            {
                float lowestDist = DEFAULT_VISIBILITY_DISTANCE;

                float x_lowest = GetPositionX();
                float y_lowest = GetPositionY();

                // the object orientation + 1/2 pi
                // every slot will be on that straight line
                float orthogonalOrientation = GetOrientation()+M_PI*0.5f;
                // find nearest slot
                for(uint32 i=0; i<info->chair.slots; i++)
                {
                    // the distance between this slot and the center of the go - imagine a 1D space
                    float relativeDistance = (info->size*i)-(info->size*(info->chair.slots-1)/2.0f);

                    float x_i = GetPositionX() + relativeDistance * cos(orthogonalOrientation);
                    float y_i = GetPositionY() + relativeDistance * sin(orthogonalOrientation);

                    // calculate the distance between the player and this slot
                    float thisDistance = player->GetDistance2d(x_i, y_i);

                    /* debug code. It will spawn a npc on each slot to visualize them.
                    Creature* helper = player->SummonCreature(14496, x_i, y_i, GetPositionZ(), GetOrientation(), TEMPSUMMON_TIMED_OR_DEAD_DESPAWN, 10000);
                    std::ostringstream output;
                    output << i << ": thisDist: " << thisDistance;
                    helper->MonsterSay(output.str().c_str(), LANG_UNIVERSAL, 0);
                    */

                    if(thisDistance <= lowestDist)
                    {
                        lowestDist = thisDistance;
                        x_lowest = x_i;
                        y_lowest = y_i;
                    }
                }
                player->TeleportTo(GetMapId(), x_lowest, y_lowest, GetPositionZ(), GetOrientation(),TELE_TO_NOT_LEAVE_TRANSPORT | TELE_TO_NOT_LEAVE_COMBAT | TELE_TO_NOT_UNSUMMON_PET);
            }
            else
            {
                // fallback, will always work
                player->TeleportTo(GetMapId(), GetPositionX(), GetPositionY(), GetPositionZ(), GetOrientation(),TELE_TO_NOT_LEAVE_TRANSPORT | TELE_TO_NOT_LEAVE_COMBAT | TELE_TO_NOT_UNSUMMON_PET);
            }
            player->SetStandState(PLAYER_STATE_SIT_LOW_CHAIR+info->chair.height);
            return;
        }
        //big gun, its a spell/aura
        case GAMEOBJECT_TYPE_GOOBER:                        //10
        {
            GameObjectInfo const* info = GetGOInfo();

            if(user->GetTypeId()==TYPEID_PLAYER)
            {
                Player* player = (Player*)user;

                // show page
                if(info->goober.pageId)
                {
                    WorldPacket data(SMSG_GAMEOBJECT_PAGETEXT, 8);
                    data << GetGUID();
                    player->GetSession()->SendPacket(&data);
                }

                // possible quest objective for active quests
                player->CastedCreatureOrGO(info->id, GetGUID(), 0);
            }

            // cast this spell later if provided
            spellId = info->goober.spellId;

            break;
        }
        case GAMEOBJECT_TYPE_CAMERA:                        //13
        {
            GameObjectInfo const* info = GetGOInfo();
            if(!info)
                return;

            if(user->GetTypeId()!=TYPEID_PLAYER)
                return;

            Player* player = (Player*)user;

            if(info->camera.cinematicId)
            {
                WorldPacket data(SMSG_TRIGGER_CINEMATIC, 4);
                data << info->camera.cinematicId;
                player->GetSession()->SendPacket(&data);
            }
            return;
        }
        //fishing bobber
        case GAMEOBJECT_TYPE_FISHINGNODE:                   //17
        {
            if(user->GetTypeId()!=TYPEID_PLAYER)
                return;

            Player* player = (Player*)user;

            if(player->GetGUID() != GetOwnerGUID())
                return;

            switch(getLootState())
            {
                case GO_READY:                              // ready for loot
                {
                    // 1) skill must be >= base_zone_skill
                    // 2) if skill == base_zone_skill => 5% chance
                    // 3) chance is linear dependence from (base_zone_skill-skill)

                    uint32 subzone = GetAreaId();

                    int32 zone_skill = objmgr.GetFishingBaseSkillLevel( subzone );
                    if(!zone_skill)
                        zone_skill = objmgr.GetFishingBaseSkillLevel( GetZoneId() );

                    //provide error, no fishable zone or area should be 0
                    if(!zone_skill)
                        sLog.outErrorDb("Fishable areaId %u are not properly defined in `skill_fishing_base_level`.",subzone);

                    int32 skill = player->GetSkillValue(SKILL_FISHING);
                    int32 chance = skill - zone_skill + 5;
                    int32 roll = irand(1,100);

                    DEBUG_LOG("Fishing check (skill: %i zone min skill: %i chance %i roll: %i",skill,zone_skill,chance,roll);

                    if(skill >= zone_skill && chance >= roll)
                    {
                        // prevent removing GO at spell cancel
                        player->RemoveGameObject(this,false);
                        SetOwnerGUID(player->GetGUID());

                        //fish catched
                        player->UpdateFishingSkill();

                        GameObject* ok = LookupFishingHoleAround(DEFAULT_VISIBILITY_DISTANCE);
                        if (ok)
                        {
                            player->SendLoot(ok->GetGUID(),LOOT_FISHINGHOLE);
                            SetLootState(GO_JUST_DEACTIVATED);
                        }
                        else
                            player->SendLoot(GetGUID(),LOOT_FISHING);
                    }
                    else
                    {
                        // fish escaped, can be deleted now
                        SetLootState(GO_JUST_DEACTIVATED);

                        WorldPacket data(SMSG_FISH_ESCAPED, 0);
                        player->GetSession()->SendPacket(&data);
                    }
                    break;
                }
                case GO_JUST_DEACTIVATED:                   // nothing to do, will be deleted at next update
                    break;
                default:
                {
                    SetLootState(GO_JUST_DEACTIVATED);

                    WorldPacket data(SMSG_FISH_NOT_HOOKED, 0);
                    player->GetSession()->SendPacket(&data);
                    break;
                }
            }

            if(player->m_currentSpells[CURRENT_CHANNELED_SPELL])
            {
                player->m_currentSpells[CURRENT_CHANNELED_SPELL]->SendChannelUpdate(0);
                player->m_currentSpells[CURRENT_CHANNELED_SPELL]->finish();
            }
            return;
        }

        case GAMEOBJECT_TYPE_SUMMONING_RITUAL:              //18
        {
            if(user->GetTypeId()!=TYPEID_PLAYER)
                return;

            Player* player = (Player*)user;

            Unit* caster = GetOwner();

            GameObjectInfo const* info = GetGOInfo();

            if( !caster || caster->GetTypeId()!=TYPEID_PLAYER )
                return;

            // accept only use by player from same group for caster except caster itself
            if(((Player*)caster)==player || !((Player*)caster)->IsInSameRaidWith(player))
                return;

            AddUniqueUse(player);

            // full amount unique participants including original summoner
            if(GetUniqueUseCount() < info->summoningRitual.reqParticipants)
                return;

            // in case summoning ritual caster is GO creator
            spellCaster = caster;

            if(!caster->m_currentSpells[CURRENT_CHANNELED_SPELL])
                return;

            spellId = info->summoningRitual.spellId;

            // finish spell
            caster->m_currentSpells[CURRENT_CHANNELED_SPELL]->SendChannelUpdate(0);
            caster->m_currentSpells[CURRENT_CHANNELED_SPELL]->finish();

            // can be deleted now
            SetLootState(GO_JUST_DEACTIVATED);

            // go to end function to spell casting
            break;
        }
        case GAMEOBJECT_TYPE_SPELLCASTER:                   //22
        {
            SetUInt32Value(GAMEOBJECT_FLAGS,2);

            GameObjectInfo const* info = GetGOInfo();
            if(!info)
                return;

            if(info->spellcaster.partyOnly)
            {
                Unit* caster = GetOwner();
                if( !caster || caster->GetTypeId()!=TYPEID_PLAYER )
                    return;

                if(user->GetTypeId()!=TYPEID_PLAYER || !((Player*)user)->IsInSameRaidWith((Player*)caster))
                    return;
            }

            spellId = info->spellcaster.spellId;

            AddUse();
            break;
        }
        case GAMEOBJECT_TYPE_MEETINGSTONE:                  //23
        {
            GameObjectInfo const* info = GetGOInfo();

            if(user->GetTypeId()!=TYPEID_PLAYER)
                return;

            Player* player = (Player*)user;

            Player* targetPlayer = ObjectAccessor::FindPlayer(player->GetSelection());

            // accept only use by player from same group for caster except caster itself
            if(!targetPlayer || targetPlayer == player || !targetPlayer->IsInSameGroupWith(player))
                return;

            //required lvl checks!
            uint8 level = player->getLevel();
            if (level < info->meetingstone.minLevel || level > info->meetingstone.maxLevel)
                return;
            level = targetPlayer->getLevel();
            if (level < info->meetingstone.minLevel || level > info->meetingstone.maxLevel)
                return;

            spellId = 23598;

            break;
        }

        case GAMEOBJECT_TYPE_FLAGSTAND:                     // 24
        {
            if(user->GetTypeId()!=TYPEID_PLAYER)
                return;

            Player* player = (Player*)user;

            if( player->isAllowUseBattleGroundObject() )
            {
                // in battleground check
                BattleGround *bg = player->GetBattleGround();
                if(!bg)
                    return;
                // BG flag click
                // AB:
                // 15001
                // 15002
                // 15003
                // 15004
                // 15005
                bg->EventPlayerClickedOnFlag(player, this);
                return;                                     //we don;t need to delete flag ... it is despawned!
            }
            break;
        }
        case GAMEOBJECT_TYPE_FLAGDROP:                      // 26
        {
            if(user->GetTypeId()!=TYPEID_PLAYER)
                return;

            Player* player = (Player*)user;

            if( player->isAllowUseBattleGroundObject() )
            {
                // in battleground check
                BattleGround *bg = player->GetBattleGround();
                if(!bg)
                    return;
                // BG flag dropped
                // WS:
                // 179785 - Silverwing Flag
                // 179786 - Warsong Flag
                // EotS:
                // 184142 - Netherstorm Flag
                GameObjectInfo const* info = GetGOInfo();
                if(info)
                {
                    switch(info->id)
                    {
                        case 179785:                        // Silverwing Flag
                            // check if it's correct bg
                            if(bg->GetTypeID() == BATTLEGROUND_WS)
                                bg->EventPlayerClickedOnFlag(player, this);
                            break;
                        case 179786:                        // Warsong Flag
                            if(bg->GetTypeID() == BATTLEGROUND_WS)
                                bg->EventPlayerClickedOnFlag(player, this);
                            break;
                        case 184142:                        // Netherstorm Flag
                            if(bg->GetTypeID() == BATTLEGROUND_EY)
                                bg->EventPlayerClickedOnFlag(player, this);
                            break;
                    }
                }
                //this cause to call return, all flags must be deleted here!!
                spellId = 0;
                Delete();
            }
            break;
        }
        case GAMEOBJECT_TYPE_BARBER_CHAIR:                  //32
        {
            GameObjectInfo const* info = GetGOInfo();
            if(!info)
                return;

            if(user->GetTypeId()!=TYPEID_PLAYER)
                return;

            Player* player = (Player*)user;

            // fallback, will always work
            player->TeleportTo(GetMapId(), GetPositionX(), GetPositionY(), GetPositionZ(), GetOrientation(),TELE_TO_NOT_LEAVE_TRANSPORT | TELE_TO_NOT_LEAVE_COMBAT | TELE_TO_NOT_UNSUMMON_PET);

            WorldPacket data(SMSG_ENABLE_BARBER_SHOP, 0);
            player->GetSession()->SendPacket(&data);

            player->SetStandState(PLAYER_STATE_SIT_LOW_CHAIR+info->barberChair.chairheight);
            return;
        }
        default:
            sLog.outDebug("Unknown Object Type %u", GetGoType());
            break;
    }

    if(!spellId)
        return;

    SpellEntry const *spellInfo = sSpellStore.LookupEntry( spellId );
    if(!spellInfo)
    {
        sLog.outError("WORLD: unknown spell id %u at use action for gameobject (Entry: %u GoType: %u )", spellId,GetEntry(),GetGoType());
        return;
    }

    Spell *spell = new Spell(spellCaster, spellInfo, false);

    // spell target is user of GO
    SpellCastTargets targets;
    targets.setUnitTarget( user );

    spell->prepare(&targets);
}