SnowGolem.cpp

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#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
 
#include "Chunk.h"
#include "SnowGolem.h"
#include "../BlockInfo.h"
#include "../World.h"
#include "../Entities/ThrownSnowballEntity.h"
 
 
 
 
 
cSnowGolem::cSnowGolem(void) :
    Super("SnowGolem", mtSnowGolem, "entity.snowman.hurt", "entity.snowman.death", "entity.snowman.ambient", 0.7f, 1.9f)
{
}
 
 
 
 
 
void cSnowGolem::GetDrops(cItems & a_Drops, cEntity * a_Killer)
{
    UNUSED(a_Killer);
    AddRandomDropItem(a_Drops, 0, 15, E_ITEM_SNOWBALL);
}
 
 
 
 
 
void cSnowGolem::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
    Super::Tick(a_Dt, a_Chunk);
    if (!IsTicking())
    {
        // The base class tick destroyed us
        return;
    }
 
    PREPARE_REL_AND_CHUNK(GetPosition().Floor(), a_Chunk);
    if (!RelSuccess)
    {
        return;
    }
 
    if (IsBiomeNoDownfall(Chunk->GetBiomeAt(Rel.x, Rel.z)))
    {
        TakeDamage(dtEnvironment, nullptr, GetRawDamageAgainst(*this), GetKnockbackAmountAgainst(*this));
    }
    else if (const auto Below = Rel.addedY(-1); Below.y >= 0)
    {
        if ((Chunk->GetBlock(Rel) == E_BLOCK_AIR) && cBlockInfo::IsSolid(Chunk->GetBlock(Below)))
        {
            Chunk->SetBlock(Rel, E_BLOCK_SNOW, 0);
        }
    }
}
 
 
 
 
 
bool cSnowGolem::Attack(std::chrono::milliseconds a_Dt)
{
    UNUSED(a_Dt);
 
    // Comment inherited from skeletons
    StopMovingToPosition();  // Todo handle this in a better way, the snowman does some uneeded recalcs due to inStateChasing
 
    if ((GetTarget() != nullptr) && (m_AttackCoolDownTicksLeft == 0))
    {
        auto & Random = GetRandomProvider();
        Vector3d Inaccuracy = Vector3d(Random.RandReal<double>(-0.75, 0.75), Random.RandReal<double>(-0.75, 0.75), Random.RandReal<double>(-0.75, 0.75));
 
        // The projectile is launched from the head
        const auto HeadPos = GetPosition().addedY(1.5);
        // It aims around the head / chest
        const auto TargetPos = GetTarget()->GetPosition().addedY(GetTarget()->GetHeight() * 0.75);
        // With this data, we can calculate the speed
        const auto Speed = (TargetPos + Inaccuracy - HeadPos) * 5;
 
        auto Snowball = std::make_unique<cThrownSnowballEntity>(this, HeadPos, Speed);
        auto SnowballPtr = Snowball.get();
        if (!SnowballPtr->Initialize(std::move(Snowball), *GetWorld()))
        {
            return false;
        }
 
        ResetAttackCooldown();
        return true;
    }
    return false;
}