diff options
Diffstat (limited to 'src/Simulator')
-rw-r--r-- | src/Simulator/IncrementalRedstoneSimulator.cpp | 85 | ||||
-rw-r--r-- | src/Simulator/IncrementalRedstoneSimulator.h | 2 |
2 files changed, 72 insertions, 15 deletions
diff --git a/src/Simulator/IncrementalRedstoneSimulator.cpp b/src/Simulator/IncrementalRedstoneSimulator.cpp index 86462f4cb..fc239169c 100644 --- a/src/Simulator/IncrementalRedstoneSimulator.cpp +++ b/src/Simulator/IncrementalRedstoneSimulator.cpp @@ -1,4 +1,3 @@ - #include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules #include "IncrementalRedstoneSimulator.h" @@ -664,18 +663,21 @@ void cIncrementalRedstoneSimulator::HandleRedstoneWire(int a_BlockX, int a_Block void cIncrementalRedstoneSimulator::HandleRedstoneRepeater(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState) { + // Create a variable holding my meta to avoid multiple lookups. NIBBLETYPE a_Meta = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); - - 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 - - if (IsSelfPowered && !IsOn) // 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 - { - QueueRepeaterPowerChange(a_BlockX, a_BlockY, a_BlockZ, a_Meta, false); + bool IsOn = (a_MyState == E_BLOCK_REDSTONE_REPEATER_ON); + + if (!IsRepeaterLocked(a_BlockX, a_BlockY, a_BlockZ, a_Meta)) // If we're locked, change nothing. Otherwise: + { + bool IsSelfPowered = IsRepeaterPowered(a_BlockX, a_BlockY, a_BlockZ, a_Meta); + if (IsSelfPowered && !IsOn) // Queue a power change if powered, but not on and not locked. + { + QueueRepeaterPowerChange(a_BlockX, a_BlockY, a_BlockZ, a_Meta, true); + } + else if (!IsSelfPowered && IsOn) // Queue a power change if unpowered, on, and not locked. + { + QueueRepeaterPowerChange(a_BlockX, a_BlockY, a_BlockZ, a_Meta, false); + } } for (RepeatersDelayList::iterator itr = m_RepeatersDelayList->begin(); itr != m_RepeatersDelayList->end(); ++itr) @@ -1131,7 +1133,8 @@ bool cIncrementalRedstoneSimulator::AreCoordsLinkedPowered(int a_BlockX, int a_B - +// IsRepeaterPowered tests if a repeater should be powered by testing for power sources behind the repeater. +// It takes the coordinates of the repeater the the meta value. bool cIncrementalRedstoneSimulator::IsRepeaterPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta) { // Repeaters cannot be powered by any face except their back; verify that this is true for a source @@ -1140,7 +1143,7 @@ bool cIncrementalRedstoneSimulator::IsRepeaterPowered(int a_BlockX, int a_BlockY { if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; } - switch (a_Meta) + switch (a_Meta & 0x3) { case 0x0: { @@ -1170,7 +1173,7 @@ bool cIncrementalRedstoneSimulator::IsRepeaterPowered(int a_BlockX, int a_BlockY { if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; } - switch (a_Meta) + switch (a_Meta & 0x3) { case 0x0: { @@ -1200,6 +1203,58 @@ bool cIncrementalRedstoneSimulator::IsRepeaterPowered(int a_BlockX, int a_BlockY + +bool cIncrementalRedstoneSimulator::IsRepeaterLocked(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta) +{ + // Change checking direction according to meta rotation. + switch (a_Meta & 0x3) //compare my direction to my neighbor's + { + + // If the repeater is facing one direction, do one thing. + case 0x0: + case 0x2: + { + if (m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ) == E_BLOCK_REDSTONE_REPEATER_ON) // Is right neighbor a + { + NIBBLETYPE otherRepeaterDir = m_World.GetBlockMeta(a_BlockX + 1, a_BlockY, a_BlockZ) & 0x3; + if (otherRepeaterDir == 0x1) { return true; } + } + + if (m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ) == E_BLOCK_REDSTONE_REPEATER_ON) + { + NIBBLETYPE otherRepeaterDir = m_World.GetBlockMeta(a_BlockX -1, a_BlockY, a_BlockZ) & 0x3; + if (otherRepeaterDir == 0x3) { return true; } + } + + break; + } + + // If another, do the other. + case 0x1: + case 0x3: + { + if (m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ + 1) == E_BLOCK_REDSTONE_REPEATER_ON) + { + NIBBLETYPE otherRepeaterDir = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ + 1) & 0x3; + if (otherRepeaterDir == 0x0) { return true; } + } + + if (m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ -1) == E_BLOCK_REDSTONE_REPEATER_ON) + { + NIBBLETYPE otherRepeaterDir = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ - 1) & 0x3; + if (otherRepeaterDir == 0x2) { return true; } + } + + break; + } + } + + return false; +} + + + + 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 diff --git a/src/Simulator/IncrementalRedstoneSimulator.h b/src/Simulator/IncrementalRedstoneSimulator.h index 8b7363366..f93f86898 100644 --- a/src/Simulator/IncrementalRedstoneSimulator.h +++ b/src/Simulator/IncrementalRedstoneSimulator.h @@ -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 |