From 40eba5244ddd7045a9c3539c5f46c9921301ed90 Mon Sep 17 00:00:00 2001
From: Tiger Wang <ziwei.tiger@outlook.com>
Date: Sat, 8 Aug 2020 18:22:16 +0100
Subject: Remove the redstone solid block handler

- Remove cSolidBlockHandler
* Functionality now integrated into simulator dispatcher
* Fix door double open/close issues, arisen due to the top/bottom halves getting different power
+ Small migration to block states for redstone wire
---
 .../ForEachSourceCallback.cpp                      | 113 +++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 src/Simulator/IncrementalRedstoneSimulator/ForEachSourceCallback.cpp

(limited to 'src/Simulator/IncrementalRedstoneSimulator/ForEachSourceCallback.cpp')

diff --git a/src/Simulator/IncrementalRedstoneSimulator/ForEachSourceCallback.cpp b/src/Simulator/IncrementalRedstoneSimulator/ForEachSourceCallback.cpp
new file mode 100644
index 000000000..3bf0fc371
--- /dev/null
+++ b/src/Simulator/IncrementalRedstoneSimulator/ForEachSourceCallback.cpp
@@ -0,0 +1,113 @@
+
+#include "Globals.h"
+
+#include "ForEachSourceCallback.h"
+#include "IncrementalRedstoneSimulator.h"
+#include "../../BlockInfo.h"
+#include "../../Chunk.h"
+
+
+
+
+
+ForEachSourceCallback::ForEachSourceCallback(const cChunk & Chunk, const Vector3i Position, const BLOCKTYPE CurrentBlock) :
+	m_Chunk(Chunk),
+	m_Position(Position),
+	m_CurrentBlock(CurrentBlock)
+{
+}
+
+
+
+
+
+bool ForEachSourceCallback::ShouldQueryLinkedPosition(const Vector3i Location, const BLOCKTYPE Block)
+{
+	switch (Block)
+	{
+		case E_BLOCK_BLOCK_OF_REDSTONE:
+		case E_BLOCK_TRAPPED_CHEST: return false;
+		default: return cBlockInfo::IsSolid(Block);
+	}
+}
+
+
+
+
+
+void ForEachSourceCallback::operator()(Vector3i Location)
+{
+	if (!cChunk::IsValidHeight(Location.y))
+	{
+		return;
+	}
+
+	const auto NeighbourChunk = m_Chunk.GetRelNeighborChunkAdjustCoords(Location);
+	if ((NeighbourChunk == nullptr) || !NeighbourChunk->IsValid())
+	{
+		return;
+	}
+
+	const auto PotentialSourceBlock = NeighbourChunk->GetBlock(Location);
+	const auto NeighbourRelativeQueryPosition = cIncrementalRedstoneSimulatorChunkData::RebaseRelativePosition(m_Chunk, *NeighbourChunk, m_Position);
+
+	if (ShouldQueryLinkedPosition(Location, PotentialSourceBlock))
+	{
+		Power = std::max(Power, QueryLinkedPower(*NeighbourChunk, NeighbourRelativeQueryPosition, m_CurrentBlock, Location));
+	}
+	else
+	{
+		Power = std::max(Power, QueryPower(*NeighbourChunk, Location, PotentialSourceBlock, NeighbourRelativeQueryPosition, m_CurrentBlock, false));
+	}
+}
+
+
+
+
+
+PoweringData ForEachSourceCallback::QueryPower(const cChunk & Chunk, const Vector3i SourcePosition, const BLOCKTYPE SourceBlock, const Vector3i QueryPosition, const BLOCKTYPE QueryBlock, const bool IsLinked)
+{
+	const auto PotentialSourceHandler = cIncrementalRedstoneSimulator::GetComponentHandler(SourceBlock);
+	if (PotentialSourceHandler == nullptr)
+	{
+		return {};
+	}
+
+	return
+	{
+		SourceBlock,
+		PotentialSourceHandler->GetPowerDeliveredToPosition(
+			Chunk, SourcePosition, SourceBlock,
+			QueryPosition, QueryBlock, IsLinked
+		)
+	};
+}
+
+
+
+
+
+PoweringData ForEachSourceCallback::QueryLinkedPower(const cChunk & Chunk, const Vector3i QueryPosition, const BLOCKTYPE QueryBlock, const Vector3i SolidBlockPosition)
+{
+	PoweringData Power;
+
+	for (const auto Offset : cSimulator::GetLinkedOffsets(SolidBlockPosition - QueryPosition))
+	{
+		auto SourcePosition = QueryPosition + Offset;
+		if (!cChunk::IsValidHeight(SourcePosition.y))
+		{
+			continue;
+		}
+
+		const auto NeighbourChunk = Chunk.GetRelNeighborChunkAdjustCoords(SourcePosition);
+		if ((NeighbourChunk == nullptr) || !NeighbourChunk->IsValid())
+		{
+			continue;
+		}
+
+		const auto NeighbourRelativeSolidBlockPosition = cIncrementalRedstoneSimulatorChunkData::RebaseRelativePosition(Chunk, *NeighbourChunk, SolidBlockPosition);
+		Power = std::max(Power, QueryPower(*NeighbourChunk, SourcePosition, NeighbourChunk->GetBlock(SourcePosition), NeighbourRelativeSolidBlockPosition, QueryBlock, true));
+	}
+
+	return Power;
+}
-- 
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