ItemPotion.h

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#pragma once
 
#include "../Entities/EntityEffect.h"
 
 
class cItemPotionHandler final:
    public cItemHandler
{
    using Super = cItemHandler;
 
public:
 
    using Super::Super;
 
 
 
 
 
    // cItemHandler overrides:
    virtual bool IsDrinkable(short a_ItemDamage) const override
    {
        // Drinkable potion if 13th lowest bit is set
        // Ref.: https://minecraft.wiki/w/Potions#Data_value_table
        return cEntityEffect::IsPotionDrinkable(a_ItemDamage);
    }
 
 
 
 
 
    virtual bool OnItemUse(
        cWorld * a_World,
        cPlayer * a_Player,
        cBlockPluginInterface & a_PluginInterface,
        const cItem & a_HeldItem,
        const Vector3i a_ClickedBlockPos,
        eBlockFace a_ClickedBlockFace
    ) const override
    {
        short PotionDamage = a_HeldItem.m_ItemDamage;
 
        // Do not throw non-splash potions:
        if (cEntityEffect::IsPotionDrinkable(PotionDamage))
        {
            return false;
        }
 
        Vector3d Pos = a_Player->GetThrowStartPos();
        Vector3d Speed = a_Player->GetLookVector() * 14;
 
        // Play sound
        a_World->BroadcastSoundEffect("entity.arrow.shoot", a_Player->GetPosition() - Vector3d(0, a_Player->GetHeight(), 0), 0.5f, 0.4f / GetRandomProvider().RandReal(0.8f, 1.2f));
 
        if (a_World->CreateProjectile(Pos.x, Pos.y, Pos.z, cProjectileEntity::pkSplashPotion, a_Player, &a_Player->GetEquippedItem(), &Speed) == cEntity::INVALID_ID)
        {
            return false;
        }
 
        if (!a_Player->IsGameModeCreative())
        {
            a_Player->GetInventory().RemoveOneEquippedItem();
        }
 
        return true;
    }
 
 
 
 
 
    virtual bool EatItem(cPlayer * a_Player, cItem * a_Item) const override
    {
        short PotionDamage = a_Item->m_ItemDamage;
 
        // Do not drink undrinkable potions:
        if (!cEntityEffect::IsPotionDrinkable(a_Item->m_ItemDamage))
        {
            return false;
        }
 
        a_Player->AddEntityEffect(
            cEntityEffect::GetPotionEffectType(PotionDamage),
            cEntityEffect::GetPotionEffectDuration(PotionDamage),
            cEntityEffect::GetPotionEffectIntensity(PotionDamage)
        );
 
        if (!a_Player->IsGameModeCreative())
        {
            a_Player->ReplaceOneEquippedItemTossRest(cItem(E_ITEM_GLASS_BOTTLE));
        }
        return true;
    }
};