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Comparators and pistons no longer update instantly

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* Fixes #3168.
This commit is contained in:
Tiger Wang
2016-06-05 16:08:47 +01:00
parent a2a9341c24
commit 04cc8aa0f5
4 changed files with 63 additions and 15 deletions
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29
src/Simulator/IncrementalRedstoneSimulator/PistonHandler.h
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@@ -39,14 +39,37 @@ public:
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);
if (a_PoweringData.PowerLevel > 0)
// Delay is used here to prevent an infinite loop (#3168)
if (DelayInfo == nullptr)
{
cBlockPistonHandler::ExtendPiston(a_Position, &m_World);
bool ShouldBeExtended = (a_PoweringData.PowerLevel != 0);
if (ShouldBeExtended != cBlockPistonHandler::IsExtended(a_Meta))
{
Data->m_MechanismDelays[a_Position] = std::make_pair(1, ShouldBeExtended);
}
}
else
{
cBlockPistonHandler::RetractPiston(a_Position, &m_World);
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 {};