From 62090e7bed13fa1f5312b48573b28371712c5c02 Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Sun, 5 Jun 2016 16:53:14 +0100 Subject: Consolidated comparator code * As a result, fixed an issue where GetPowerLevel didn't consider block entities behind it (only GetFrontPowerLevel did) --- appveyor.yml | 4 +- src/Blocks/BlockComparator.h | 5 ++ .../RedstoneComparatorHandler.h | 83 ++++++++++------------ 3 files changed, 44 insertions(+), 48 deletions(-) diff --git a/appveyor.yml b/appveyor.yml index 1f3f30911..8be0cfa70 100644 --- a/appveyor.yml +++ b/appveyor.yml @@ -1,11 +1,11 @@ version: 1.0.{build} configuration: Debug -clone_depth: 50 +clone_depth: 1 before_build: - echo %TIME% - git submodule update --init - echo %TIME% -- cmake -G "Visual Studio 12" . +- cmake . - echo %TIME% build: project: Cuberite.sln diff --git a/src/Blocks/BlockComparator.h b/src/Blocks/BlockComparator.h index ffd1bde61..5ba17c691 100644 --- a/src/Blocks/BlockComparator.h +++ b/src/Blocks/BlockComparator.h @@ -60,6 +60,11 @@ public: return true; } + inline static bool IsInSubtractionMode(NIBBLETYPE a_Meta) + { + return ((a_Meta & 0x4) == 0x4); + } + inline static bool IsOn(NIBBLETYPE a_Meta) { return ((a_Meta & 0x8) == 0x8); diff --git a/src/Simulator/IncrementalRedstoneSimulator/RedstoneComparatorHandler.h b/src/Simulator/IncrementalRedstoneSimulator/RedstoneComparatorHandler.h index 9a250a1fe..34c217e67 100644 --- a/src/Simulator/IncrementalRedstoneSimulator/RedstoneComparatorHandler.h +++ b/src/Simulator/IncrementalRedstoneSimulator/RedstoneComparatorHandler.h @@ -18,8 +18,33 @@ public: { } - unsigned char GetFrontPowerLevel(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, unsigned char a_HighestSidePowerLevel) + unsigned char GetFrontPowerLevel(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, unsigned char a_HighestSidePowerLevel, unsigned char a_HighestRearPowerLevel) { + if (cBlockComparatorHandler::IsInSubtractionMode(a_Meta)) + { + // Subtraction mode + return static_cast(std::max(static_cast(a_HighestRearPowerLevel) - a_HighestSidePowerLevel, 0)); + } + else + { + // Comparison mode + return (std::max(a_HighestSidePowerLevel, a_HighestRearPowerLevel) == a_HighestSidePowerLevel) ? 0 : a_HighestRearPowerLevel; + } + } + + virtual unsigned char GetPowerDeliveredToPosition(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, const Vector3i & a_QueryPosition, BLOCKTYPE a_QueryBlockType) override + { + UNUSED(a_QueryPosition); + UNUSED(a_QueryBlockType); + + return (cBlockComparatorHandler::GetFrontCoordinate(a_Position, a_Meta & 0x3) == a_QueryPosition) ? static_cast(m_World.GetRedstoneSimulator())->GetChunkData()->GetCachedPowerData(a_Position).PowerLevel : 0; + } + + virtual unsigned char GetPowerLevel(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override + { + UNUSED(a_Position); + UNUSED(a_BlockType); + class cContainerCallback : public cBlockEntityCallback { public: @@ -31,12 +56,13 @@ public: { auto & Contents = static_cast(a_BlockEntity)->GetContents(); float Fullness = 0; // Is a floating-point type to allow later calculation to produce a non-truncated value + for (int Slot = 0; Slot != Contents.GetNumSlots(); ++Slot) { - Fullness += Contents.GetSlot(Slot).m_ItemCount / Contents.GetSlot(Slot).GetMaxStackSize(); + Fullness += static_cast(Contents.GetSlot(Slot).m_ItemCount) / Contents.GetSlot(Slot).GetMaxStackSize(); } - m_SignalStrength = static_cast(1 + (Fullness / Contents.GetNumSlots()) * 14); + m_SignalStrength = (Fullness < 0.001 /* container empty? */) ? 0 : static_cast(1 + (Fullness / Contents.GetNumSlots()) * 14); return false; } @@ -46,43 +72,7 @@ public: auto RearCoordinate = cBlockComparatorHandler::GetRearCoordinate(a_Position, a_Meta & 0x3); m_World.DoWithBlockEntityAt(RearCoordinate.x, RearCoordinate.y, RearCoordinate.z, CCB); auto RearPower = CCB.m_SignalStrength; - auto PotentialSourceHandler = cIncrementalRedstoneSimulator::CreateComponent(m_World, m_World.GetBlock(RearCoordinate), static_cast(m_World.GetRedstoneSimulator())->GetChunkData()); - if (PotentialSourceHandler != nullptr) - { - BLOCKTYPE Type; - NIBBLETYPE Meta; - if (m_World.GetBlockTypeMeta(RearCoordinate.x, RearCoordinate.y, RearCoordinate.z, Type, Meta)) - { - RearPower = std::max(CCB.m_SignalStrength, PotentialSourceHandler->GetPowerDeliveredToPosition(RearCoordinate, Type, Meta, a_Position, a_BlockType)); - } - } - - if ((a_Meta & 0x4) == 0x4) - { - // Subtraction mode - return static_cast(std::max(static_cast(RearPower) - a_HighestSidePowerLevel, 0)); - } - else - { - // Comparison mode - return (std::max(a_HighestSidePowerLevel, RearPower) == a_HighestSidePowerLevel) ? 0 : RearPower; - } - } - - virtual unsigned char GetPowerDeliveredToPosition(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, const Vector3i & a_QueryPosition, BLOCKTYPE a_QueryBlockType) override - { - UNUSED(a_QueryPosition); - UNUSED(a_QueryBlockType); - - return (cBlockComparatorHandler::GetFrontCoordinate(a_Position, a_Meta & 0x3) == a_QueryPosition) ? static_cast(m_World.GetRedstoneSimulator())->GetChunkData()->GetCachedPowerData(a_Position).PowerLevel : 0; - } - virtual unsigned char GetPowerLevel(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override - { - UNUSED(a_Position); - UNUSED(a_BlockType); - - auto RearCoordinate = cBlockComparatorHandler::GetRearCoordinate(a_Position, a_Meta & 0x3); auto PotentialSourceHandler = cIncrementalRedstoneSimulator::CreateComponent(m_World, m_World.GetBlock(RearCoordinate), static_cast(m_World.GetRedstoneSimulator())->GetChunkData()); if (PotentialSourceHandler != nullptr) { @@ -90,16 +80,16 @@ public: NIBBLETYPE Meta; if (m_World.GetBlockTypeMeta(RearCoordinate.x, RearCoordinate.y, RearCoordinate.z, Type, Meta)) { - return PotentialSourceHandler->GetPowerDeliveredToPosition(RearCoordinate, Type, Meta, a_Position, a_BlockType); + RearPower = std::max(CCB.m_SignalStrength, PotentialSourceHandler->GetPowerDeliveredToPosition(RearCoordinate, Type, Meta, a_Position, a_BlockType)); } } - return 0; + return RearPower; } virtual cVector3iArray Update(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, PoweringData a_PoweringData) override { - // Note that a_PoweringData here contains the maximum *side* power level, as specified by GetValidSourcePositions + // Note that a_PoweringData here contains the maximum * side * power level, as specified by GetValidSourcePositions // LOGD("Evaluating ALU the comparator (%d %d %d)", a_Position.x, a_Position.y, a_Position.z); auto Data = static_cast(m_World.GetRedstoneSimulator())->GetChunkData(); auto DelayInfo = Data->GetMechanismDelayInfo(a_Position); @@ -107,11 +97,12 @@ public: // Delay is used here to prevent an infinite loop (#3168) if (DelayInfo == nullptr) { - auto Power = GetFrontPowerLevel(a_Position, a_BlockType, a_Meta, a_PoweringData.PowerLevel); - auto PreviousFrontPower = static_cast(m_World.GetRedstoneSimulator())->GetChunkData()->ExchangeUpdateOncePowerData(a_Position, PoweringData(a_PoweringData.PoweringBlock, Power)); + auto RearPower = GetPowerLevel(a_Position, a_BlockType, a_Meta); + auto FrontPower = GetFrontPowerLevel(a_Position, a_BlockType, a_Meta, a_PoweringData.PowerLevel, RearPower); + auto PreviousFrontPower = static_cast(m_World.GetRedstoneSimulator())->GetChunkData()->ExchangeUpdateOncePowerData(a_Position, PoweringData(a_PoweringData.PoweringBlock, FrontPower)); - bool ShouldBeOn = (GetPowerLevel(a_Position, a_BlockType, a_Meta) > 0); // Provide visual indication by examining *rear* power level - bool ShouldUpdate = (Power != PreviousFrontPower.PowerLevel); // "Business logic" (:P) - determine by examining *side* power levels + bool ShouldBeOn = (RearPower > 0); // Provide visual indication by examining * rear * power level + bool ShouldUpdate = (FrontPower != PreviousFrontPower.PowerLevel); // "Business logic" (:P) - determine by examining *side* power levels if (ShouldUpdate || (ShouldBeOn != cBlockComparatorHandler::IsOn(a_Meta))) { -- cgit v1.2.3