/*
 *      pad.h
 *
 *      C++ class for reading the controller pads
 */
 
 
#ifndef PADH_
#define PADH_
 
class CPad
{
	public:
		enum side
		{
			LEFT, 
			RIGHT
		};
		/*
		 *      padno 1 or 2, side LEFT or RIGHT
		 */
		CPad(int padno, side theside);
		int LeftPressed();
		int RightPressed();
		int UpPressed();
		int DownPressed();
		int StartPressed();
		int SelectPressed();
		int Top1Pressed();
		int Top2Pressed();
		static int mInitialised;
		
		private:
		enum padstatus
		{
			PADLleft = 0x8000,
			PADLdown = 0x4000,
			PADLright = 0x2000,
			PADLup = 0x1000,
			PADstart = 0x0800,
			PADselect = 0x0100,
			PADRleft = 0x0080,
			PADRdown = 0x0040,
			PADRright = 0x0020,
			PADRup = 0x0010,
			PADR1 = 0x0008,
			PADR2 = 0x0004,
			PADL1 = 0x0002,
			PADL2 = 0x0001
		};
		static volatile unsigned char* mController1;
		static volatile unsigned char* mController2;
		volatile unsigned char* mControllerByte;
		side mSide;                             
		int PadRead();
};

inline int CPad::PadRead()
{
	return ~(*(mControllerByte+3) | *(mControllerByte+2)<<8);
}

inline int CPad::LeftPressed()
{
	if (mSide==LEFT)
	{
		return (PadRead() & PADLleft);
	}
	else
	{
		return (PadRead() & PADRleft);
	}
}

inline int CPad::RightPressed()
{
	if (mSide==LEFT)
	{
		return (PadRead() & PADLright);
	}
	else
	{
		return (PadRead() & PADRright);
	}
}

inline int CPad::UpPressed()
{
	if (mSide==LEFT)
	{
		return (PadRead() & PADLup);
	}
	else
	{
		return (PadRead() & PADRup);
	}
}

inline int CPad::DownPressed()
{
	if (mSide==LEFT)
	{
		return (PadRead() & PADLdown);
	}
	else
	{
		return (PadRead() & PADRdown);
	}
}

inline int CPad::Top1Pressed()
{
	if (mSide==LEFT)
	{
		return (PadRead() & PADL1);
	}
	else
	{
		return (PadRead() & PADR1);
	}
}

inline int CPad::Top2Pressed()
{
	if (mSide==LEFT)
	{
		return (PadRead() & PADL2);
	}
	else
	{
		return (PadRead() & PADR2);
	}
}

inline int CPad::StartPressed()
{
	return (PadRead() & PADstart);
}

inline int CPad::SelectPressed()
{
	return (PadRead() & PADselect);
}

#endif