113 lines
2.7 KiB
C++
113 lines
2.7 KiB
C++
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#pragma once
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#include "../../Blocks/BlockTripwireHook.h"
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namespace TripwireHookHandler
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{
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inline unsigned char GetPowerLevel(const cChunk & a_Chunk, Vector3i a_Position, NIBBLETYPE a_Meta)
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{
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bool FoundActivated = false;
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const auto FaceToGoTowards = cBlockTripwireHookHandler::MetadataToDirection(a_Meta);
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for (int i = 0; i < 40; ++i) // Tripwires can be connected up to 40 blocks
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{
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BLOCKTYPE Type;
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NIBBLETYPE Meta;
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a_Position = AddFaceDirection(a_Position, FaceToGoTowards);
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if (!a_Chunk.UnboundedRelGetBlock(a_Position, Type, Meta))
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{
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return 0;
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}
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if (Type == E_BLOCK_TRIPWIRE)
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{
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if (FoundActivated)
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{
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continue;
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}
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if (
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!a_Chunk.ForEachEntityInBox(
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cBoundingBox(Vector3d(0.5, 0, 0.5) + cChunkDef::RelativeToAbsolute(a_Position, a_Chunk.GetPos()), 0.5, 0.5),
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[](cEntity &) { return true; }
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)
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)
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{
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FoundActivated = true;
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}
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continue;
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}
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else if (Type == E_BLOCK_TRIPWIRE_HOOK)
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{
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if (ReverseBlockFace(cBlockTripwireHookHandler::MetadataToDirection(Meta)) == FaceToGoTowards)
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{
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// Other hook facing in opposite direction - circuit completed!
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return FoundActivated ? 15 : 1;
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}
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}
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// Tripwire hook not connected at all
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return 0;
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}
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return 0;
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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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UNUSED(a_BlockType);
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UNUSED(a_QueryBlockType);
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UNUSED(a_QueryPosition);
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return (GetPowerLevel(a_Chunk, a_Position, a_Chunk.GetMeta(a_Position)) == 15) ? 15 : 0;
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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 hooky the tripwire hook (%d %d %d)", a_Position.x, a_Position.y, a_Position.z);
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const auto PowerLevel = GetPowerLevel(a_Chunk, a_Position, a_Meta);
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NIBBLETYPE Meta;
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if (PowerLevel == 0)
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{
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Meta = (a_Meta & 0x3);
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}
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else if (PowerLevel == 1)
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{
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// Connected but not activated, AND away the highest bit
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Meta = (a_Meta & 0x7) | 0x4;
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}
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else if (PowerLevel == 15)
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{
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// Connected and activated, set the 3rd and 4th highest bits
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Meta = (a_Meta | 0xC);
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}
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else
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{
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UNREACHABLE("Unexpected tripwire hook power level!");
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}
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if (Meta != a_Meta)
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{
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a_Chunk.SetMeta(a_Position, Meta);
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UpdateAdjustedRelatives(a_Chunk, CurrentlyTicking, a_Position, RelativeAdjacents);
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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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UNUSED(a_Meta);
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UNUSED(a_Position);
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UNUSED(Callback);
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}
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};
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