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#pragma once
#include "BlockHandler.h"
#include "ChunkInterface.h"
#include "../Item.h"
#include "../BlockEntities/BlockEntityWithItems.h"
/** Wrapper for blocks that have a cBlockEntity descendant attached to them and can be "used" by the player.
Forwards the "use" event to the block entity. */
class cBlockEntityHandler:
public cBlockHandler
{
using Super = cBlockHandler;
public:
using Super::Super;
private:
virtual bool OnUse(
cChunkInterface & a_ChunkInterface,
cWorldInterface & a_WorldInterface,
cPlayer & a_Player,
const Vector3i a_BlockPos,
eBlockFace a_BlockFace,
const Vector3i a_CursorPos
) const override
{
return a_ChunkInterface.UseBlockEntity(&a_Player, a_BlockPos.x, a_BlockPos.y, a_BlockPos.z);
}
virtual bool IsUseable() const override
{
return true;
}
};
/** Wrapper for blocks that have a cBlockEntityWithItems descendant attached to them.
When converting to pickups, drops self with meta reset to zero, and adds the container contents. */
template <typename Base = cBlockEntityHandler>
class cContainerEntityHandler:
public Base
{
public:
constexpr cContainerEntityHandler(BLOCKTYPE a_BlockType):
Base(a_BlockType)
{
}
private:
virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, cBlockEntity * a_BlockEntity, const cEntity * a_Digger, const cItem * a_Tool) const override
{
// Reset meta to 0
cItems res(cItem(Base::m_BlockType, 1, 0));
// Drop the contents:
if (a_BlockEntity != nullptr)
{
auto container = static_cast<cBlockEntityWithItems *>(a_BlockEntity);
res.AddItemGrid(container->GetContents());
}
return res;
}
};
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