SplashPotionEntity.cpp

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#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
 
#include "SplashPotionEntity.h"
#include "Pawn.h"
#include "../EffectID.h"
 
 
 
 
 
// cSplashPotionEntity:
 
cSplashPotionEntity::cSplashPotionEntity(
    cEntity * a_Creator,
    Vector3d a_Pos,
    Vector3d a_Speed,
    const cItem & a_Item
):
    Super(pkSplashPotion, a_Creator, a_Pos, a_Speed, 0.25f, 0.25f),
    m_Item(a_Item)
{
    m_EntityEffectType = cEntityEffect::GetPotionEffectType(a_Item.m_ItemDamage);
    m_EntityEffect = cEntityEffect(
        cEntityEffect::GetPotionEffectDuration(a_Item.m_ItemDamage),
        cEntityEffect::GetPotionEffectIntensity(a_Item.m_ItemDamage)
    );
    m_PotionColor = cEntityEffect::GetPotionColor(a_Item.m_ItemDamage);
}
 
 
 
 
 
void cSplashPotionEntity::Splash(Vector3d a_HitPos)
{
    // Look for entities in 8.25 (width) x 4.25 (height) cuboid _centred_ on hit position:
    m_World->ForEachEntityInBox({ a_HitPos.addedY(-4.25 / 2), 8.25 / 2, 4.25 }, [this, a_HitPos](cEntity & a_Entity)
    {
        if (!a_Entity.IsPawn())
        {
            // Not an entity that can take effects
            return false;
        }
 
        double SplashDistance = (a_Entity.GetPosition() - a_HitPos).Length();
        double Reduction = -0.25 * SplashDistance + 1.0;  // y = -0.25x + 1, where x is the distance from the player. Approximation for potion splash.
        Reduction = std::max(Reduction, 0.0);
 
        static_cast<cPawn &>(a_Entity).AddEntityEffect(m_EntityEffectType, m_EntityEffect.GetDuration(), m_EntityEffect.GetIntensity(), Reduction);
        return false;
    });
 
    m_World->BroadcastSoundParticleEffect(
        EffectID::PARTICLE_SPLASH_POTION,
        a_HitPos.Floor(),
        m_PotionColor
    );
}
 
 
 
 
 
void cSplashPotionEntity::OnHitEntity(cEntity & a_EntityHit, Vector3d a_HitPos)
{
    Super::OnHitEntity(a_EntityHit, a_HitPos);
 
    a_EntityHit.TakeDamage(dtRangedAttack, this, 0, 1);
    Splash(a_HitPos);
    Destroy();
}
 
 
 
 
 
void cSplashPotionEntity::OnHitSolidBlock(Vector3d a_HitPos, eBlockFace a_HitFace)
{
    Super::OnHitSolidBlock(a_HitPos, a_HitFace);
 
    Splash(a_HitPos);
    Destroy();
}