2015-06-26 18:24:51 -04:00
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#pragma once
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#include "RedstoneHandler.h"
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#include "Blocks/BlockComparator.h"
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class cRedstoneComparatorHandler : public cRedstoneHandler
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{
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typedef cRedstoneHandler super;
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public:
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cRedstoneComparatorHandler(cWorld & a_World) :
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super(a_World)
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{
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}
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unsigned char GetFrontPowerLevel(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, unsigned char a_HighestSidePowerLevel)
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{
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class cContainerCallback : public cBlockEntityCallback
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{
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public:
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cContainerCallback() : m_SignalStrength(0)
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{
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}
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virtual bool Item(cBlockEntity * a_BlockEntity) override
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{
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auto & Contents = static_cast<cBlockEntityWithItems *>(a_BlockEntity)->GetContents();
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float Fullness = 0; // Is a floating-point type to allow later calculation to produce a non-truncated value
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for (int Slot = 0; Slot != Contents.GetNumSlots(); ++Slot)
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{
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Fullness += Contents.GetSlot(Slot).m_ItemCount / Contents.GetSlot(Slot).GetMaxStackSize();
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}
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m_SignalStrength = static_cast<unsigned char>(1 + (Fullness / Contents.GetNumSlots()) * 14);
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return false;
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}
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unsigned char m_SignalStrength;
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} CCB;
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auto RearCoordinate = cBlockComparatorHandler::GetRearCoordinate(a_Position, a_Meta & 0x3);
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m_World.DoWithBlockEntityAt(RearCoordinate.x, RearCoordinate.y, RearCoordinate.z, CCB);
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auto RearPower = CCB.m_SignalStrength;
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2015-12-19 16:41:17 -05:00
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auto PotentialSourceHandler = cIncrementalRedstoneSimulator::CreateComponent(m_World, m_World.GetBlock(RearCoordinate), static_cast<cIncrementalRedstoneSimulator *>(m_World.GetRedstoneSimulator())->GetChunkData());
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2015-06-26 18:24:51 -04:00
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if (PotentialSourceHandler != nullptr)
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{
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BLOCKTYPE Type;
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NIBBLETYPE Meta;
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if (m_World.GetBlockTypeMeta(RearCoordinate.x, RearCoordinate.y, RearCoordinate.z, Type, Meta))
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{
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RearPower = std::max(CCB.m_SignalStrength, PotentialSourceHandler->GetPowerDeliveredToPosition(RearCoordinate, Type, Meta, a_Position, a_BlockType));
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}
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}
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if ((a_Meta & 0x4) == 0x4)
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{
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// Subtraction mode
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return static_cast<unsigned char>(std::max(static_cast<char>(RearPower) - a_HighestSidePowerLevel, 0));
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}
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else
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{
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// Comparison mode
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return (std::max(a_HighestSidePowerLevel, RearPower) == a_HighestSidePowerLevel) ? 0 : RearPower;
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}
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}
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virtual unsigned char GetPowerDeliveredToPosition(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, const Vector3i & a_QueryPosition, BLOCKTYPE a_QueryBlockType) override
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{
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UNUSED(a_QueryPosition);
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UNUSED(a_QueryBlockType);
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return (cBlockComparatorHandler::GetFrontCoordinate(a_Position, a_Meta & 0x3) == a_QueryPosition) ? static_cast<cIncrementalRedstoneSimulator *>(m_World.GetRedstoneSimulator())->GetChunkData()->GetCachedPowerData(a_Position).PowerLevel : 0;
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}
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virtual unsigned char GetPowerLevel(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override
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{
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UNUSED(a_Position);
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UNUSED(a_BlockType);
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auto RearCoordinate = cBlockComparatorHandler::GetRearCoordinate(a_Position, a_Meta & 0x3);
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2015-12-19 16:41:17 -05:00
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auto PotentialSourceHandler = cIncrementalRedstoneSimulator::CreateComponent(m_World, m_World.GetBlock(RearCoordinate), static_cast<cIncrementalRedstoneSimulator *>(m_World.GetRedstoneSimulator())->GetChunkData());
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2015-06-26 18:24:51 -04:00
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if (PotentialSourceHandler != nullptr)
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{
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BLOCKTYPE Type;
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NIBBLETYPE Meta;
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if (m_World.GetBlockTypeMeta(RearCoordinate.x, RearCoordinate.y, RearCoordinate.z, Type, Meta))
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{
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return PotentialSourceHandler->GetPowerDeliveredToPosition(RearCoordinate, Type, Meta, a_Position, a_BlockType);
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}
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}
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return 0;
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}
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virtual cVector3iArray Update(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, PoweringData a_PoweringData) override
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{
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2015-12-24 10:57:45 -05:00
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// LOGD("Evaluating ALU the comparator (%d %d %d)", a_Position.x, a_Position.y, a_Position.z);
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2015-06-26 18:24:51 -04:00
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if (GetPowerLevel(a_Position, a_BlockType, a_Meta) > 0)
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{
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m_World.SetBlockMeta(a_Position, a_Meta | 0x8);
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}
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else
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{
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m_World.SetBlockMeta(a_Position, a_Meta & 0x7);
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}
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auto Power = GetFrontPowerLevel(a_Position, a_BlockType, a_Meta, a_PoweringData.PowerLevel);
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auto PreviousFrontPower = static_cast<cIncrementalRedstoneSimulator *>(m_World.GetRedstoneSimulator())->GetChunkData()->ExchangeUpdateOncePowerData(a_Position, PoweringData(a_PoweringData.PoweringBlock, Power));
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if (Power != PreviousFrontPower.PowerLevel)
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{
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return GetAdjustedRelatives(a_Position, GetRelativeLaterals());
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}
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return {};
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}
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virtual cVector3iArray GetValidSourcePositions(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override
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{
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UNUSED(a_BlockType);
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return cVector3iArray {cBlockComparatorHandler::GetSideCoordinate(a_Position, a_Meta & 0x3, false), cBlockComparatorHandler::GetSideCoordinate(a_Position, a_Meta & 0x3, true)};
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}
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};
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