Wither.cpp

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#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules

#include "Wither.h"

#include "../World.h"
#include "../Entities/Player.h"





cWither::cWither(void) :
    super("Wither", mtWither, "entity.wither.hurt", "entity.wither.death", 0.9, 4.0),
    m_WitherInvulnerableTicks(220)
{
    SetMaxHealth(300);
    SetHealth(GetMaxHealth() / 3);
}





bool cWither::IsArmored(void) const
{
    return GetHealth() <= (GetMaxHealth() / 2);
}





bool cWither::DoTakeDamage(TakeDamageInfo & a_TDI)
{
    if (a_TDI.DamageType == dtDrowning)
    {
        return false;
    }

    if (m_WitherInvulnerableTicks > 0)
    {
        return false;
    }

    if (IsArmored() && (a_TDI.DamageType == dtRangedAttack))
    {
        return false;
    }

    return super::DoTakeDamage(a_TDI);
}





void cWither::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
    super::Tick(a_Dt, a_Chunk);
    if (!IsTicking())
    {
        // The base class tick destroyed us
        return;
    }

    if (m_WitherInvulnerableTicks > 0)
    {
        unsigned int NewTicks = m_WitherInvulnerableTicks - 1;

        if (NewTicks == 0)
        {
            m_World->DoExplosionAt(7.0, GetPosX(), GetPosY(), GetPosZ(), false, esWitherBirth, this);
        }

        m_WitherInvulnerableTicks = NewTicks;

        if ((NewTicks % 10) == 0)
        {
            Heal(10);
        }
    }

    m_World->BroadcastEntityMetadata(*this);
}





void cWither::GetDrops(cItems & a_Drops, cEntity * a_Killer)
{
    AddRandomDropItem(a_Drops, 1, 1, E_ITEM_NETHER_STAR);
}





void cWither::KilledBy(TakeDamageInfo & a_TDI)
{
    super::KilledBy(a_TDI);

    Vector3d Pos = GetPosition();
    m_World->ForEachPlayer([=](cPlayer & a_Player)
        {
            // TODO 2014-05-21 xdot: Vanilla minecraft uses an AABB check instead of a radius one
            double Dist = (a_Player.GetPosition() - Pos).Length();
            if (Dist < 50.0)
            {
                // If player is close, award achievement
                a_Player.AwardAchievement(achKillWither);
            }
            return false;
        }
    );
}