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Added support for redstone latching

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fixes #856
This commit is contained in:
Tycho 2014-04-06 11:09:33 -07:00
parent 143a5e61fc
commit f5cb81eb1b
2 changed files with 65 additions and 2 deletions
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65
src/Simulator/IncrementalRedstoneSimulator.cpp
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@ -688,12 +688,13 @@ void cIncrementalRedstoneSimulator::HandleRedstoneRepeater(int a_BlockX, int a_B
bool IsOn = ((a_MyState == E_BLOCK_REDSTONE_REPEATER_ON) ? true : false); // Cache if repeater is on
bool IsSelfPowered = IsRepeaterPowered(a_BlockX, a_BlockY, a_BlockZ, a_Meta & 0x3); // Cache if repeater is pwoered
bool IsLocked = IsRepeaterLocked(a_BlockX, a_BlockY, a_BlockZ, a_Meta & 0x3);
if (IsSelfPowered && !IsOn) // Queue a power change if I am receiving power but not on
if (IsSelfPowered && !IsOn && !IsLocked) // Queue a power change if I am receiving power but not on
{
QueueRepeaterPowerChange(a_BlockX, a_BlockY, a_BlockZ, a_Meta, true);
}
else if (!IsSelfPowered && IsOn) // Queue a power change if I am not receiving power but on
else if (!IsSelfPowered && IsOn && !IsLocked) // Queue a power change if I am not receiving power but on
{
QueueRepeaterPowerChange(a_BlockX, a_BlockY, a_BlockZ, a_Meta, false);
}
@ -1220,6 +1221,66 @@ bool cIncrementalRedstoneSimulator::IsRepeaterPowered(int a_BlockX, int a_BlockY
bool cIncrementalRedstoneSimulator::IsRepeaterLocked(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta)
{
// Repeaters can be locked by either of their sides
for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks->begin(); itr != m_PoweredBlocks->end(); ++itr)
{
if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; }
switch (a_Meta)
{
// If N/S check E/W
case 0x0:
case 0x2:
{
if (itr->a_SourcePos.Equals(Vector3i(a_BlockX + 1, a_BlockY, a_BlockZ))) { return true; }
if (itr->a_SourcePos.Equals(Vector3i(a_BlockX - 1, a_BlockY, a_BlockZ))) { return true; }
break;
}
// If E/W check N/S
case 0x1:
case 0x3:
{
if (itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ + 1))) { return true; }
if (itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ - 1))) { return true; }
break;
}
}
}
for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks->begin(); itr != m_LinkedPoweredBlocks->end(); ++itr)
{
if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; }
switch (a_Meta)
{
// If N/S check E/W
case 0x0:
case 0x2:
{
if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX + 1, a_BlockY, a_BlockZ))) { return true; }
if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX - 1, a_BlockY, a_BlockZ))) { return true; }
break;
}
// If E/W check N/S
case 0x1:
case 0x3:
{
if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ + 1))) { return true; }
if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ - 1))) { return true; }
break;
}
}
}
return false; // Couldn't find power source behind repeater
}
bool cIncrementalRedstoneSimulator::IsPistonPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta)
{
// Pistons cannot be powered through their front face; this function verifies that a source meets this requirement

2
src/Simulator/IncrementalRedstoneSimulator.h
View File

@ -154,6 +154,8 @@ private:
bool AreCoordsSimulated(int a_BlockX, int a_BlockY, int a_BlockZ, bool IsCurrentStatePowered);
/** Returns if a repeater is powered */
bool IsRepeaterPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta);
/** Returns if a repeater is locked */
bool IsRepeaterLocked(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta);
/** Returns if a piston is powered */
bool IsPistonPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta);
/** Returns if a wire is powered