gistfile1.cpp

struct MANGOS_DLL_DECL npc_snowballerAI : public Scripted_NoMovementAI
{
    npc_snowballerAI(Creature* pCreature) : Scripted_NoMovementAI(pCreature){}

    typedef UNORDERED_MAP<ObjectGuid, int16> NearbyMap;
    NearbyMap m_NearbyMap;
    uint32 m_Timer;

    void Reset() {}

    void DamageTaken(Unit* pDealer, uint32& uiDamage)
    {
        m_creature->CastSpell(pDealer, 25686, true);
    }

    void UpdateAI(const uint32 diff)
    {
        if (m_creature->GetMapId() != 30)
            return;

        const float m_SearchDistance = 35.0f;

        if (m_Timer >= 3*IN_MILLISECONDS)
        {
            // Reset timer
            m_Timer = 0;
            // Set health to max
            m_creature->SetHealth(m_creature->GetMaxHealth());
            // search for players in radius
            std::list<Player*> targets;
            MaNGOS::AnyUnfriendlyPlayerInObjectRangeCheck u_check(m_creature, m_SearchDistance);
            MaNGOS::PlayerListSearcher<MaNGOS::AnyUnfriendlyPlayerInObjectRangeCheck> checker(targets, u_check);
            Cell::VisitWorldObjects(m_creature, checker, m_SearchDistance);

            // Loop all nearby enemy players and snowball them as hell!
            for (std::list<Player*>::iterator itr = targets.begin(); itr != targets.end(); ++itr)
            {
                Player* p = *itr;
                float dist = m_creature->GetDistance2d(p);
                float tpdist = m_SearchDistance - dist;
                float angle = p->GetAngle(-387.188f, -536.61f);
                float x, y, z;
                p->GetPosition(x, y, z);
                x = x + cosf(angle)*tpdist;
                y = y + sinf(angle)*tpdist;
                z = p->GetMap()->GetHeight(x, y, MAX_HEIGHT);
                p->NearTeleportTo(x, y, z, angle, false);
            }
        }
        else
            m_Timer += diff;
    }
};

CreatureAI* GetAI_npc_snowballer(Creature* pCreature)
{
    return new npc_snowballerAI(pCreature);
}