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