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
---
 .../TrappedChestHandler.h                          | 93 ++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 src/Simulator/IncrementalRedstoneSimulator/TrappedChestHandler.h

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

diff --git a/src/Simulator/IncrementalRedstoneSimulator/TrappedChestHandler.h b/src/Simulator/IncrementalRedstoneSimulator/TrappedChestHandler.h
new file mode 100644
index 000000000..eb434d611
--- /dev/null
+++ b/src/Simulator/IncrementalRedstoneSimulator/TrappedChestHandler.h
@@ -0,0 +1,93 @@
+
+#pragma once
+
+#include "RedstoneHandler.h"
+#include "BlockEntities/ChestEntity.h"
+
+
+
+
+
+class cTrappedChestHandler : public cRedstoneHandler
+{
+	typedef cRedstoneHandler super;
+public:
+
+	cTrappedChestHandler(cWorld & a_World) :
+		super(a_World)
+	{
+	}
+
+	virtual unsigned char GetPowerDeliveredToPosition(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, const Vector3i & a_QueryPosition, BLOCKTYPE a_QueryBlockType) override
+	{
+		UNUSED(a_BlockType);
+		UNUSED(a_Meta);
+		UNUSED(a_QueryPosition);
+		UNUSED(a_QueryBlockType);
+
+		return static_cast<cIncrementalRedstoneSimulator *>(m_World.GetRedstoneSimulator())->GetChunkData()->GetCachedPowerData(a_Position).PowerLevel;
+	}
+
+	virtual unsigned char GetPowerLevel(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override
+	{
+		UNUSED(a_BlockType);
+		UNUSED(a_Meta);
+
+		class cGetTrappedChestPlayers :
+			public cItemCallback<cChestEntity>
+		{
+		public:
+			cGetTrappedChestPlayers(void) :
+				m_NumberOfPlayers(0)
+			{
+			}
+
+			virtual ~cGetTrappedChestPlayers()
+			{
+			}
+
+			virtual bool Item(cChestEntity * a_Chest) override
+			{
+				ASSERT(a_Chest->GetBlockType() == E_BLOCK_TRAPPED_CHEST);
+				m_NumberOfPlayers = a_Chest->GetNumberOfPlayers();
+				return true;
+			}
+
+			unsigned char GetPowerLevel(void) const
+			{
+				return static_cast<unsigned char>(std::min(m_NumberOfPlayers, 15));
+			}
+
+		private:
+			int m_NumberOfPlayers;
+
+		} GTCP;
+
+		VERIFY(!m_World.DoWithChestAt(a_Position.x, a_Position.y, a_Position.z, GTCP));
+		return GTCP.GetPowerLevel();
+	}
+
+	virtual cVector3iArray Update(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, PoweringData a_PoweringData) override
+	{
+		LOGD("Evaluating tricky the trapped chest (%d %d %d)", a_Position.x, a_Position.y, a_Position.z);
+
+		auto Power = GetPowerLevel(a_Position, a_BlockType, a_Meta);
+		auto PreviousPower = static_cast<cIncrementalRedstoneSimulator *>(m_World.GetRedstoneSimulator())->GetChunkData()->ExchangeUpdateOncePowerData(a_Position, PoweringData(a_BlockType, Power));
+
+		if (Power != PreviousPower.PowerLevel)
+		{
+			return GetAdjustedRelatives(a_Position, StaticAppend(GetRelativeLaterals(), cVector3iArray{ OffsetYM() }));
+		}
+
+		return {};
+	}
+
+	virtual cVector3iArray GetValidSourcePositions(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override
+	{
+		UNUSED(a_Position);
+		UNUSED(a_BlockType);
+		UNUSED(a_Meta);
+		
+		return {};
+	}
+};
-- 
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