From 5b62c4c3145c08b093521e42c565922fa85de4ad Mon Sep 17 00:00:00 2001
From: Tiger Wang <ziwei.tiger@hotmail.co.uk>
Date: Fri, 26 Jun 2015 17:24:51 -0500
Subject: 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
---
 .../IncrementalRedstoneSimulator/RedstoneHandler.h | 130 +++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 src/Simulator/IncrementalRedstoneSimulator/RedstoneHandler.h

(limited to 'src/Simulator/IncrementalRedstoneSimulator/RedstoneHandler.h')

diff --git a/src/Simulator/IncrementalRedstoneSimulator/RedstoneHandler.h b/src/Simulator/IncrementalRedstoneSimulator/RedstoneHandler.h
new file mode 100644
index 000000000..36fe640f1
--- /dev/null
+++ b/src/Simulator/IncrementalRedstoneSimulator/RedstoneHandler.h
@@ -0,0 +1,130 @@
+
+#pragma once
+
+#include "World.h"
+#include "Vector3.h"
+
+
+
+
+
+class cRedstoneHandler
+{
+public:
+
+	cRedstoneHandler(cWorld & a_World) :
+		m_World(a_World)
+	{
+	}
+
+public:
+
+	// Disable the copy constructor and assignment operator
+	cRedstoneHandler(const cRedstoneHandler &) = delete;
+	cRedstoneHandler & operator=(const cRedstoneHandler &) = delete;
+
+	struct PoweringData
+	{
+	public:
+		PoweringData(BLOCKTYPE a_PoweringBlock, unsigned char a_PowerLevel) :
+			PoweringBlock(a_PoweringBlock),
+			PowerLevel(a_PowerLevel)
+		{
+		}
+
+		PoweringData(void) :
+			PoweringBlock(E_BLOCK_AIR),
+			PowerLevel(0)
+		{
+		}
+
+		BLOCKTYPE PoweringBlock;
+		unsigned char PowerLevel;
+
+		inline friend bool operator < (const PoweringData & a_Lhs, const PoweringData & a_Rhs)
+		{
+			return (
+				(a_Lhs.PowerLevel < a_Rhs.PowerLevel) ||
+				(
+					(a_Lhs.PowerLevel == a_Rhs.PowerLevel) &&
+					((a_Lhs.PoweringBlock == E_BLOCK_REDSTONE_WIRE) && (a_Rhs.PoweringBlock != E_BLOCK_REDSTONE_WIRE))
+				)
+			);
+		}
+
+		inline friend bool operator == (const PoweringData & a_Lhs, const PoweringData & a_Rhs)
+		{
+			return (a_Lhs.PowerLevel == a_Rhs.PowerLevel);
+		}
+
+		inline friend bool operator != (const PoweringData & a_Lhs, const PoweringData & a_Rhs)
+		{
+			return !operator ==(a_Lhs, a_Rhs);
+		}
+	};
+
+	virtual cVector3iArray Update(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, PoweringData a_PoweringData) = 0;
+	virtual unsigned char GetPowerDeliveredToPosition(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, const Vector3i & a_QueryPosition, BLOCKTYPE a_QueryBlockType) = 0;
+	virtual unsigned char GetPowerLevel(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) = 0;
+	virtual cVector3iArray GetValidSourcePositions(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) = 0;
+
+	// Force a virtual destructor
+	virtual ~cRedstoneHandler() {}
+
+protected:
+
+	cWorld & m_World;
+
+	template <class Container>
+	static const Container StaticAppend(const Container && a_Lhs, const Container && a_Rhs)
+	{
+		Container ToReturn = a_Lhs;
+		std::copy(a_Rhs.begin(), a_Rhs.end(), std::back_inserter(ToReturn));
+		return ToReturn;
+	}
+
+	inline static const Vector3i OffsetYP()
+	{
+		return Vector3i(0, 1, 0);
+	}
+
+	inline static const Vector3i OffsetYM()
+	{
+		return Vector3i(0, -1, 0);
+	}
+
+	static const cVector3iArray GetAdjustedRelatives(const Vector3i & a_Position, const cVector3iArray & a_Relatives)
+	{
+		cVector3iArray Adjusted = a_Relatives;
+		std::for_each(Adjusted.begin(), Adjusted.end(), [a_Position](cVector3iArray::value_type & a_Entry) { a_Entry += a_Position; });
+		return Adjusted;
+	}
+
+	inline static const cVector3iArray GetRelativeAdjacents()
+	{
+		return
+		{
+			{
+				{ 1, 0, 0 },
+				{ -1, 0, 0 },
+				{ 0, 1, 0 },
+				{ 0, -1, 0 },
+				{ 0, 0, 1 },
+				{ 0, 0, -1 },
+			}
+		};
+	}
+
+	inline static const cVector3iArray GetRelativeLaterals()
+	{
+		return
+		{
+			{
+				{ 1, 0, 0 },
+				{ -1, 0, 0 },
+				{ 0, 0, 1 },
+				{ 0, 0, -1 },
+			}
+		};
+	}
+};
-- 
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