115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
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#include "Globals.h"
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#include "ForEachSourceCallback.h"
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#include "../../BlockInfo.h"
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#include "../../Chunk.h"
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#include "IncrementalRedstoneSimulator.h"
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#include "RedstoneHandler.h"
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ForEachSourceCallback::ForEachSourceCallback(const cChunk & Chunk, const Vector3i Position, const BLOCKTYPE CurrentBlock) :
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Power(0),
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m_Chunk(Chunk),
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m_Position(Position),
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m_CurrentBlock(CurrentBlock)
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{
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}
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bool ForEachSourceCallback::ShouldQueryLinkedPosition(const Vector3i Location, const BLOCKTYPE Block)
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{
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switch (Block)
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{
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// Normally we don't ask solid blocks for power because they don't have any (store, dirt, etc.)
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// However, these are mechanisms that are IsSolid, but still give power. Don't ignore them:
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case E_BLOCK_BLOCK_OF_REDSTONE:
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case E_BLOCK_OBSERVER:
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case E_BLOCK_TRAPPED_CHEST: return false;
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// If a mechanism asks for power from a block, redirect the query to linked positions if:
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default: return cBlockInfo::IsSolid(Block);
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}
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}
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void ForEachSourceCallback::operator()(Vector3i Location)
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{
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if (!cChunk::IsValidHeight(Location.y))
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{
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return;
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}
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const auto NeighbourChunk = m_Chunk.GetRelNeighborChunkAdjustCoords(Location);
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if ((NeighbourChunk == nullptr) || !NeighbourChunk->IsValid())
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{
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return;
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}
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const auto PotentialSourceBlock = NeighbourChunk->GetBlock(Location);
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const auto NeighbourRelativeQueryPosition = cIncrementalRedstoneSimulatorChunkData::RebaseRelativePosition(m_Chunk, *NeighbourChunk, m_Position);
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if (ShouldQueryLinkedPosition(Location, PotentialSourceBlock))
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{
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Power = std::max(Power, QueryLinkedPower(*NeighbourChunk, NeighbourRelativeQueryPosition, m_CurrentBlock, Location));
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}
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else
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{
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Power = std::max(
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Power,
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RedstoneHandler::GetPowerDeliveredToPosition(
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*NeighbourChunk, Location, PotentialSourceBlock,
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NeighbourRelativeQueryPosition, m_CurrentBlock, false
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)
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);
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}
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}
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PowerLevel ForEachSourceCallback::QueryLinkedPower(const cChunk & Chunk, const Vector3i QueryPosition, const BLOCKTYPE QueryBlock, const Vector3i SolidBlockPosition)
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{
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PowerLevel Power = 0;
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// Loop through all linked powerable offsets in the direction requested:
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for (const auto Offset : cSimulator::GetLinkedOffsets(SolidBlockPosition - QueryPosition))
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{
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auto SourcePosition = QueryPosition + Offset;
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if (!cChunk::IsValidHeight(SourcePosition.y))
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{
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continue;
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}
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const auto NeighbourChunk = Chunk.GetRelNeighborChunkAdjustCoords(SourcePosition);
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if ((NeighbourChunk == nullptr) || !NeighbourChunk->IsValid())
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{
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continue;
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}
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// Conduit block's position, relative to NeighbourChunk.
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const auto NeighbourRelativeSolidBlockPosition = cIncrementalRedstoneSimulatorChunkData::RebaseRelativePosition(Chunk, *NeighbourChunk, SolidBlockPosition);
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// Do a standard power query, but the requester's position is actually the solid block that will conduct power:
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Power = std::max(
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Power,
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RedstoneHandler::GetPowerDeliveredToPosition(
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*NeighbourChunk, SourcePosition, NeighbourChunk->GetBlock(SourcePosition),
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NeighbourRelativeSolidBlockPosition, QueryBlock, true
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)
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);
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}
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return Power;
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}
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