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