#pragma once
#include "RedstoneHandler.h"
class cPoweredRailHandler final : public cRedstoneHandler
{
public:
static Vector3i GetPoweredRailAdjacentXZCoordinateOffset(NIBBLETYPE a_Meta) // Not in cBlockRailHandler since specific to powered rails
{
switch (a_Meta & 0x7)
{
case E_META_RAIL_ZM_ZP: return { 0, 0, 1 };
case E_META_RAIL_XM_XP: return { 1, 0, 0 };
case E_META_RAIL_ASCEND_XP: return { 1, 1, 0 };
case E_META_RAIL_ASCEND_XM: return { 1, 1, 0 };
case E_META_RAIL_ASCEND_ZM: return { 0, 1, 1 };
case E_META_RAIL_ASCEND_ZP: return { 0, 1, 1 };
default:
{
ASSERT(!"Impossible rail meta! wat wat wat");
return { 0, 0, 0 };
}
}
}
virtual unsigned char GetPowerDeliveredToPosition(cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, Vector3i a_QueryPosition, BLOCKTYPE a_QueryBlockType) const override
{
UNUSED(a_QueryBlockType);
auto Offset = GetPoweredRailAdjacentXZCoordinateOffset(a_Meta);
if (((Offset + a_Position) == a_QueryPosition) || ((-Offset + a_Position) == a_QueryPosition))
{
auto Power = DataForChunk(a_Chunk).GetCachedPowerData(a_Position).PowerLevel;
return (Power <= 7) ? 0 : --Power;
}
return 0;
}
virtual void Update(cChunk & a_Chunk, cChunk & CurrentlyTickingChunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, PoweringData a_PoweringData) const override
{
// LOGD("Evaluating tracky the rail (%d %d %d)", a_Position.x, a_Position.y, a_Position.z);
switch (a_BlockType)
{
case E_BLOCK_DETECTOR_RAIL:
{
/*
if ((m_Chunk->GetMeta(a_RelBlockX, a_RelBlockY, a_RelBlockZ) & 0x08) == 0x08)
{
SetAllDirsAsPowered(a_RelBlockX, a_RelBlockY, a_RelBlockZ, a_MyType);
}
*/
return;
}
case E_BLOCK_ACTIVATOR_RAIL:
case E_BLOCK_POWERED_RAIL:
{
auto Offset = GetPoweredRailAdjacentXZCoordinateOffset(a_Meta);
if (a_PoweringData != DataForChunk(a_Chunk).ExchangeUpdateOncePowerData(a_Position, a_PoweringData))
{
a_Chunk.SetMeta(a_Position, (a_PoweringData.PowerLevel == 0) ? (a_Meta & 0x07) : (a_Meta | 0x08));
UpdateAdjustedRelative(a_Chunk, CurrentlyTickingChunk, a_Position + Offset);
UpdateAdjustedRelative(a_Chunk, CurrentlyTickingChunk, a_Position + -Offset);
}
return;
}
default:
{
ASSERT(!"Unhandled type of rail in passed to rail handler!");
}
}
}
virtual void ForValidSourcePositions(cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, SourceCallback Callback) const override
{
UNUSED(a_Chunk);
UNUSED(a_Meta);
if ((a_BlockType == E_BLOCK_POWERED_RAIL) || (a_BlockType == E_BLOCK_ACTIVATOR_RAIL))
{
InvokeForAdjustedRelatives(Callback, a_Position, RelativeAdjacents);
}
}
};