1 files changed, 122 insertions, 0 deletions

diff --git a/source/Redstone.h b/source/Redstone.h
new file mode 100644
index 000000000..a5377e8a7
--- /dev/null
+++ b/source/Redstone.h
@@ -0,0 +1,122 @@
+#pragma once
+
+#include "Vector3i.h"
+
+class cWorld;
+class cRedstone
+{
+public:
+
+	cRedstone( cWorld* a_World );
+
+	static char RepeaterRotationToMetaData( float a_Rotation )
+	{
+			a_Rotation += 90 + 45; // So its not aligned with axis
+			if( a_Rotation > 360.f ) a_Rotation -= 360.f;
+			if( a_Rotation >= 0.f && a_Rotation < 90.f )
+					return 0x1;
+			else if( a_Rotation >= 180 && a_Rotation < 270 )
+					return 0x3;
+			else if( a_Rotation >= 90 && a_Rotation < 180 )
+					return 0x2;
+			else
+					return 0x0;
+	}
+
+	static bool IsRepeaterPointingTo( const Vector3i & a_RepeaterPos, char a_MetaData, const Vector3i & a_BlockPos )
+	{
+		switch( a_MetaData & 0x3 )
+		{
+		case 0x0:
+			if( (a_RepeaterPos - a_BlockPos).Equals( Vector3i( 0, 0, 1 ) ) )
+			{
+				return true;
+			}
+			break;
+		case 0x1:
+			if( (a_RepeaterPos - a_BlockPos).Equals( Vector3i(-1, 0, 0 ) ) )
+			{
+				return true;
+			}
+			break;
+		case 0x2:
+			if( (a_RepeaterPos - a_BlockPos).Equals( Vector3i( 0, 0,-1 ) ) )
+			{
+				return true;
+			}
+			break;
+		case 0x3:
+			if( (a_RepeaterPos - a_BlockPos).Equals( Vector3i( 1, 0, 0 ) ) )
+			{
+				return true;
+			}
+			break;
+		default:
+			break;
+		}
+		return false;
+	}
+
+	static bool IsRepeaterPointingAway( const Vector3i & a_RepeaterPos, char a_MetaData, const Vector3i & a_BlockPos )
+	{
+		switch( a_MetaData & 0x3 )
+		{
+		case 0x0:
+			if( (a_RepeaterPos - a_BlockPos).Equals( Vector3i( 0, 0,-1 ) ) )
+			{
+				return true;
+			}
+			break;
+		case 0x1:
+			if( (a_RepeaterPos - a_BlockPos).Equals( Vector3i( 1, 0, 0 ) ) )
+			{
+				return true;
+			}
+			break;
+		case 0x2:
+			if( (a_RepeaterPos - a_BlockPos).Equals( Vector3i( 0, 0, 1 ) ) )
+			{
+				return true;
+			}
+			break;
+		case 0x3:
+			if( (a_RepeaterPos - a_BlockPos).Equals( Vector3i(-1, 0, 0 ) ) )
+			{
+				return true;
+			}
+			break;
+		default:
+			break;
+		}
+		return false;
+	}
+
+	static Vector3i GetRepeaterDirection( char a_MetaData )
+	{
+		switch( a_MetaData & 0x3 )
+		{
+		case 0x0:
+			return Vector3i( 0, 0,-1 );
+		case 0x1:
+			return Vector3i( 1, 0, 0 );
+		case 0x2:
+			return Vector3i( 0, 0, 1 );
+		case 0x3:
+			return Vector3i(-1, 0, 0 );
+		default:
+			break;
+		}
+		return Vector3i();
+	}
+
+	void CalculateRedstone( int, int, int );
+	void ChangeRedstone( int, int, int, bool );
+	bool IsBlockPowered( int, int, int );
+
+	cWorld* m_World;
+
+	char m_Metadata;
+	char m_Direction;
+	
+	static bool s_UseRedstone;
+};