72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
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#pragma once
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#include "RedstoneHandler.h"
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#include "../../BlockEntities/DropSpenserEntity.h"
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class cDropSpenserHandler final : public cRedstoneHandler
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{
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inline static bool IsActivated(NIBBLETYPE a_Meta)
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{
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return (a_Meta & E_META_DROPSPENSER_ACTIVATED) != 0;
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}
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inline static NIBBLETYPE SetActivationState(NIBBLETYPE a_Meta, bool IsOn)
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{
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if (IsOn)
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{
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return a_Meta | E_META_DROPSPENSER_ACTIVATED; // set the bit
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}
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else
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{
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return a_Meta & ~E_META_DROPSPENSER_ACTIVATED; // clear the bit
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}
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}
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virtual unsigned char GetPowerDeliveredToPosition(const cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, Vector3i a_QueryPosition, BLOCKTYPE a_QueryBlockType, bool IsLinked) const override
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{
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UNUSED(a_Chunk);
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UNUSED(a_Position);
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UNUSED(a_BlockType);
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UNUSED(a_QueryPosition);
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UNUSED(a_QueryBlockType);
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UNUSED(IsLinked);
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return 0;
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}
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virtual void Update(cChunk & a_Chunk, cChunk &, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, PoweringData a_PoweringData) const override
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{
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// LOGD("Evaluating spencer the dropspenser (%d %d %d)", a_Position.x, a_Position.y, a_Position.z);
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const bool IsPoweredNow = (a_PoweringData.PowerLevel > 0);
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const bool WasPoweredPreviously = IsActivated(a_Meta);
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if (IsPoweredNow && !WasPoweredPreviously)
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{
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a_Chunk.DoWithDropSpenserAt(a_Position, [](cDropSpenserEntity & a_DropSpenser)
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{
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a_DropSpenser.Activate();
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return false;
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});
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}
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// Update the internal dropspenser state if necessary
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if (IsPoweredNow != WasPoweredPreviously)
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{
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a_Chunk.SetMeta(a_Position, SetActivationState(a_Meta, IsPoweredNow));
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}
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}
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virtual void ForValidSourcePositions(const cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, SourceCallback Callback) const override
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{
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UNUSED(a_Chunk);
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UNUSED(a_BlockType);
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UNUSED(a_Meta);
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InvokeForAdjustedRelatives(Callback, a_Position, RelativeAdjacents);
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}
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};
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