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#pragma once
namespace PoweredRailHandler
{
/** Get the offset along which the rail faces.
Not in cBlockRailHandler since specific to powered rails. */
static Vector3i GetPoweredRailAdjacentXZCoordinateOffset(NIBBLETYPE a_Meta)
{
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 };
}
}
}
static PowerLevel GetPowerDeliveredToPosition(const cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, Vector3i a_QueryPosition, BLOCKTYPE a_QueryBlockType, bool IsLinked)
{
UNUSED(a_QueryBlockType);
const auto Meta = a_Chunk.GetMeta(a_Position);
const auto Offset = GetPoweredRailAdjacentXZCoordinateOffset(Meta);
if (((Offset + a_Position) == a_QueryPosition) || ((-Offset + a_Position) == a_QueryPosition))
{
const auto Power = DataForChunk(a_Chunk).GetCachedPowerData(a_Position);
return (Power <= 7) ? 0 : (Power - 1);
}
return 0;
}
static void Update(cChunk & a_Chunk, cChunk & CurrentlyTickingChunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, const PowerLevel Power)
{
// 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:
{
const auto Offset = GetPoweredRailAdjacentXZCoordinateOffset(a_Meta);
if (Power != DataForChunk(a_Chunk).ExchangeUpdateOncePowerData(a_Position, Power))
{
a_Chunk.SetMeta(a_Position, (Power == 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!");
}
}
}
static void ForValidSourcePositions(const cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, ForEachSourceCallback & Callback)
{
UNUSED(a_Chunk);
UNUSED(a_Meta);
if ((a_BlockType == E_BLOCK_POWERED_RAIL) || (a_BlockType == E_BLOCK_ACTIVATOR_RAIL))
{
InvokeForAdjustedRelatives(Callback, a_Position, RelativeAdjacents);
}
}
};
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