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path: root/src/Items/ItemPotion.h
blob: cc974c8b943fd2da2d9a4551601facc6e2efd303 (plain) (tree)
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#pragma once

#include "../Entities/EntityEffect.h"
#include "../Entities/SplashPotionEntity.h"

class cItemPotionHandler:
	public cItemHandler
{
	typedef cItemHandler super;
	
public:

	cItemPotionHandler():
		super(E_ITEM_POTION)
	{
	}
	

	// cItemHandler overrides:
	virtual bool IsDrinkable(short a_ItemDamage) override
	{
		// Drinkable potion if 13th lowest bit is set
		// Ref.: http://minecraft.gamepedia.com/Potions#Data_value_table
		return cEntityEffect::IsPotionDrinkable(a_ItemDamage);
	}

	
	virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_Dir) override
	{
		short PotionDamage = a_Item.m_ItemDamage;
		
		// Do not throw non-splash potions:
		if (cEntityEffect::IsPotionDrinkable(PotionDamage))
		{
			return false;
		}
		
		Vector3d Pos = a_Player->GetThrowStartPos();
		Vector3d Speed = a_Player->GetLookVector() * 7;
		
		if (a_World->CreateProjectile(Pos.x, Pos.y, Pos.z, cProjectileEntity::pkSplashPotion, a_Player, &a_Player->GetEquippedItem(), &Speed) < 0)
		{
			return false;
		}
		
		if (!a_Player->IsGameModeCreative())
		{
			a_Player->GetInventory().RemoveOneEquippedItem();
		}
		
		return true;
	}
	
	
	virtual bool EatItem(cPlayer * a_Player, cItem * a_Item) 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));
		a_Player->GetInventory().RemoveOneEquippedItem();
		a_Player->GetInventory().AddItem(E_ITEM_GLASS_BOTTLE);
		return true;
	}
};