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#pragma once
#include "RedstoneHandler.h"
#include "Blocks/BlockPiston.h"
class cPistonHandler : public cRedstoneHandler
{
typedef cRedstoneHandler super;
public:
cPistonHandler(cWorld & a_World) :
super(a_World)
{
}
virtual unsigned char GetPowerDeliveredToPosition(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, const Vector3i & a_QueryPosition, BLOCKTYPE a_QueryBlockType) override
{
UNUSED(a_Position);
UNUSED(a_BlockType);
UNUSED(a_Meta);
UNUSED(a_QueryPosition);
UNUSED(a_QueryBlockType);
return 0;
}
virtual unsigned char GetPowerLevel(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override
{
UNUSED(a_Position);
UNUSED(a_BlockType);
UNUSED(a_Meta);
return 0;
}
virtual cVector3iArray Update(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, PoweringData a_PoweringData) override
{
// LOGD("Evaluating pisty the piston (%d %d %d)", a_Position.x, a_Position.y, a_Position.z);
auto Data = static_cast<cIncrementalRedstoneSimulator *>(m_World.GetRedstoneSimulator())->GetChunkData();
auto DelayInfo = Data->GetMechanismDelayInfo(a_Position);
// Delay is used here to prevent an infinite loop (#3168)
if (DelayInfo == nullptr)
{
bool ShouldBeExtended = (a_PoweringData.PowerLevel != 0);
if (ShouldBeExtended != cBlockPistonHandler::IsExtended(a_Meta))
{
Data->m_MechanismDelays[a_Position] = std::make_pair(1, ShouldBeExtended);
}
}
else
{
int DelayTicks;
bool ShouldBeExtended;
std::tie(DelayTicks, ShouldBeExtended) = *DelayInfo;
if (DelayTicks == 0)
{
if (ShouldBeExtended)
{
cBlockPistonHandler::ExtendPiston(a_Position, &m_World);
}
else
{
cBlockPistonHandler::RetractPiston(a_Position, &m_World);
}
Data->m_MechanismDelays.erase(a_Position);
}
}
return {};
}
virtual cVector3iArray GetValidSourcePositions(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override
{
UNUSED(a_BlockType);
auto PositionsOffset = GetRelativeAdjacents();
auto Face = cBlockPistonHandler::MetaDataToDirection(a_Meta);
int OffsetX = 0, OffsetY = 0, OffsetZ = 0;
AddFaceDirection(OffsetX, OffsetY, OffsetZ, Face);
PositionsOffset.erase(std::remove(PositionsOffset.begin(), PositionsOffset.end(), Vector3i(OffsetX, OffsetY, OffsetZ)), PositionsOffset.end());
return GetAdjustedRelatives(a_Position, PositionsOffset);
}
};
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