96 lines
2.4 KiB
C++
96 lines
2.4 KiB
C++
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#pragma once
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namespace RedstoneTorchHandler
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{
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inline bool IsOn(BLOCKTYPE a_Block)
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{
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return (a_Block == E_BLOCK_REDSTONE_TORCH_ON);
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}
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inline Vector3i GetOffsetAttachedTo(const NIBBLETYPE a_Meta)
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{
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switch (a_Meta)
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{
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case E_META_TORCH_FLOOR: return { 0, -1, 0 };
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case E_META_TORCH_EAST: return { -1, 0, 0 };
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case E_META_TORCH_WEST: return { 1, 0, 0 };
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case E_META_TORCH_NORTH: return { 0, 0, 1 };
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case E_META_TORCH_SOUTH: return { 0, 0, -1 };
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default:
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{
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ASSERT(!"Unhandled torch metadata");
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return { 0, 0, 0 };
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}
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}
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}
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inline PowerLevel GetPowerDeliveredToPosition(const cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, Vector3i a_QueryPosition, BLOCKTYPE a_QueryBlockType, bool IsLinked)
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{
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const auto QueryOffset = a_QueryPosition - a_Position;
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if (
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!IsOn(a_BlockType) ||
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(QueryOffset == GetOffsetAttachedTo(a_Chunk.GetMeta(a_Position))) ||
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(IsLinked && (QueryOffset != OffsetYP))
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)
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{
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return 0;
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}
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return 15;
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}
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inline void Update(cChunk & a_Chunk, cChunk & CurrentlyTicking, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, const PowerLevel Power)
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{
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// LOGD("Evaluating torchy the redstone torch (%i %i %i)", a_Position.x, a_Position.y, a_Position.z);
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auto & Data = DataForChunk(a_Chunk);
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auto DelayInfo = Data.GetMechanismDelayInfo(a_Position);
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if (DelayInfo == nullptr)
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{
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const bool ShouldBeOn = (Power == 0);
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if (ShouldBeOn != IsOn(a_BlockType))
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{
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Data.m_MechanismDelays[a_Position] = std::make_pair(1, ShouldBeOn);
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}
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return;
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}
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int DelayTicks;
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bool ShouldPowerOn;
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std::tie(DelayTicks, ShouldPowerOn) = *DelayInfo;
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if (DelayTicks != 0)
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{
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return;
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}
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a_Chunk.FastSetBlock(a_Position, ShouldPowerOn ? E_BLOCK_REDSTONE_TORCH_ON : E_BLOCK_REDSTONE_TORCH_OFF, a_Meta);
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Data.m_MechanismDelays.erase(a_Position);
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for (const auto Adjacent : RelativeAdjacents)
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{
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// Update all adjacents (including linked power positions)
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// apart from our attachment, which can't possibly need an update:
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if (Adjacent != GetOffsetAttachedTo(a_Meta))
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{
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UpdateAdjustedRelative(a_Chunk, CurrentlyTicking, a_Position, Adjacent);
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}
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}
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}
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inline void ForValidSourcePositions(const cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, ForEachSourceCallback & Callback)
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{
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UNUSED(a_Chunk);
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UNUSED(a_BlockType);
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Callback(a_Position + GetOffsetAttachedTo(a_Meta));
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}
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};
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