//----------------------------------------------------------------
// Pair.cpp
//
// Copyright 2002-2004 Raven Software
//----------------------------------------------------------------

#ifndef __PAIR_H__
#define __PAIR_H__

template< class type1, class type2 >
class rvPair {
public:
	rvPair() {};
	rvPair( const type1& T1, const type2& T2 ) { first = T1; second = T2; };

	const type1& First( void ) const { return first; };
	const type2& Second( void ) const { return second; };

	static int rvPairFirstCompare( const rvPair< type1, type2 > *a, const rvPair< type1, type2 > *b ) {
		return b->First() - a->First();
	}

	static int rvPairSecondCompare( const rvPair< type1, type2 > *a, const rvPair< type1, type2 > *b ) {
		return  b->Second() - a->Second();
	}

	static int rvPairFirstCompareDirect( const rvPair< type1, type2 > *a, const rvPair< type1, type2 > *b ) {
		if( b->First() - a->First() < 0.001f || b->First() - a->First() < -0.001f ) {
			return 0;
		}

		if( a->First() > b->First() ) {
			return -1;
		} else if( a->First() < b->First() ) {
			return 1;
		} 
		return 0;
	}

	static int rvPairSecondCompareDirect( const rvPair< type1, type2 > *a, const rvPair< type1, type2 > *b ) {
		if( b->Second() - a->Second() < 0.001f || b->Second() - a->Second() < -0.001f ) {
			return 0;
		}

		if( a->Second() > b->Second() ) {
			return -1;
		} else if( a->Second() < b->Second() ) {
			return 1;
		} 
		return 0;
	}

private:
	type1 first;
	type2 second;
};

#endif