Reorganised the redstone simulator

-> Many thanks to @worktycho for the idea, and @Haxi52 for the implementation plan!
* Uses classes and inheritance now
* Speed should be improved

src/Simulator/IncrementalRedstoneSimulator/RedstoneSimulatorChunkData.h

@@ -0,0 +1,70 @@
+
+#pragma once
+
+#include "Vector3.h"
+#include "RedstoneHandler.h"
+#include "../RedstoneSimulator.h"
+#include <unordered_map>
+
+
+
+
+
+class cIncrementalRedstoneSimulatorChunkData : public cRedstoneSimulatorChunkData
+{
+
+public:
+	void WakeUp(const Vector3i & a_Position)
+	{
+		m_ActiveBlocks.push_back(a_Position);
+	}
+
+	cVector3iArray & GetActiveBlocks()
+	{
+		return m_ActiveBlocks;
+	}
+
+	const cRedstoneHandler::PoweringData GetCachedPowerData(const Vector3i & a_Position) const
+	{
+		auto Result = m_CachedPowerLevels.find(a_Position);
+		return (Result == m_CachedPowerLevels.end()) ? cRedstoneHandler::PoweringData() : Result->second;
+	}
+
+	void SetCachedPowerData(const Vector3i & a_Position, cRedstoneHandler::PoweringData a_PoweringData)
+	{
+		m_CachedPowerLevels[a_Position] = a_PoweringData;
+	}
+
+	std::pair<int, bool> * GetMechanismDelayInfo(const Vector3i & a_Position)
+	{
+		auto Result = m_MechanismDelays.find(a_Position);
+		return (Result == m_MechanismDelays.end()) ? nullptr : &Result->second;
+	}
+
+	cRedstoneHandler::PoweringData ExchangeUpdateOncePowerData(const Vector3i & a_Position, cRedstoneHandler::PoweringData a_PoweringData)
+	{
+		auto Result = m_CachedPowerLevels.find(a_Position);
+		if (Result == m_CachedPowerLevels.end())
+		{
+			m_CachedPowerLevels[a_Position] = a_PoweringData;
+			return cRedstoneHandler::PoweringData();
+		}
+		std::swap(Result->second, a_PoweringData);
+		return a_PoweringData;
+	}
+
+	/** Structure storing position of mechanism + it's delay ticks (countdown) & if to power on */
+	std::unordered_map<Vector3i, std::pair<int, bool>, VectorHasher<int>> m_MechanismDelays;
+	std::unordered_map<Vector3i, bool, VectorHasher<int>> m_UpdateOncePositions;
+
+private:
+
+	cVector3iArray m_ActiveBlocks;
+
+	// TODO: map<Vector3i, int> -> Position of torch + it's heat level
+
+	std::unordered_map<Vector3i, cRedstoneHandler::PoweringData, VectorHasher<int>> m_CachedPowerLevels;
+
+	friend class cRedstoneHandlerFactory;
+
+};