#ifndef _PROTO_TRIGTABLE_HPP_
#define _PROTO_TRIGTABLE_HPP_
#ifndef _COMMON_SMARTPOINTER_HPP_
#include <common/pointer.hpp>
#endif
#ifndef _COMMON_GLOBALDATA_HPP_
#include <common/gdata.hpp>
#endif

class GUIWindow;
class Angles;

class TrigTable
{
public:
  TrigTable(void);
	virtual ~TrigTable();
	void build(const Angles &angles);
	int cos(int theta);
	int sin(int theta);
private:
	TrigTable(const TrigTable &trigTable);
	TrigTable &operator=(const TrigTable &trigTable);
	int angle360(void)const;
	void angle360(int angle360);

	GlobalData<int> mCosTable;
	GlobalData<int> mSinTable;
	int mAngle360;
};

inline
TrigTable::TrigTable(void)
: mAngle360(0)
{
}

inline
TrigTable::TrigTable(const TrigTable &trigTable)
: mAngle360(0)
{ // private implementation
  *this=trigTable;
}

inline
TrigTable::~TrigTable()
{
}

inline
TrigTable &TrigTable::operator=(const TrigTable &/*trigTable*/)
{ // private implementation
  return *this;
}

inline
int TrigTable::angle360(void)const
{
  return mAngle360;
}

inline
void TrigTable::angle360(int angle360)
{
  mAngle360=angle360;
}

inline
int TrigTable::cos(int theta)
{
  if(theta<0)return mCosTable.operator[](theta+angle360());
	else if(theta>=angle360())return mCosTable.operator[](theta-angle360());
	return mCosTable.operator[](theta);
}

inline
int TrigTable::sin(int theta)
{
  if(theta<0)return mSinTable.operator[](theta+angle360());
	else if(theta>=angle360())return mSinTable.operator[](theta-angle360());
	return mSinTable.operator[](theta);
}
#endif