//===========================================================================//
// File:	mtrxstk.cc                                                          //
// Project: MUNGA           Brick: Math Library                              //
// Contents: Interface specification for the matrix class                    //
//---------------------------------------------------------------------------//
//   Date    Who  Modification                                               //
// --------  ---  ---------------------------------------------------------- //
// 11/21/94  JMA  Initial coding.                                            //
// 12/01/94  JMA  Changed Matrix to FullMatrix, based both matrix classes on //
//                  Matrix44Base                                             //
//---------------------------------------------------------------------------//
// Copyright (C) 1994-1995, Virtual World Entertainment, Inc.                //
// All Rights reserved worldwide                                             //
// This unpublished sourcecode is PROPRIETARY and CONFIDENTIAL               //
//===========================================================================//

#include <munga.hpp>

#if !defined(MTRXSTK_HPP)
#	include <mtrxstk.hpp>
#endif

AffineMatrixStack&
	AffineMatrixStack::Concatenate(const AffineMatrix& matrix)
{
	AffineMatrix *old_top = Cast_Object(AffineMatrix*,Peek());
	AffineMatrix *new_top = (AffineMatrix*)MemoryStack::Push();
	new_top->Multiply(*old_top,matrix);
	return *this;
}

LinearMatrixStack&
	LinearMatrixStack::Concatenate(const LinearMatrix& matrix)
{
	LinearMatrix *old_top = Cast_Object(LinearMatrix*,Peek());
	LinearMatrix *new_top = (LinearMatrix*)MemoryStack::Push();
	new_top->Multiply(*old_top,matrix);
	return *this;
}

Matrix4x4Stack&
	Matrix4x4Stack::Concatenate(const Matrix4x4& matrix)
{
	Matrix4x4 *old_top = Cast_Object(Matrix4x4*,Peek());
	Matrix4x4 *new_top = (Matrix4x4*)MemoryStack::Push();
	new_top->Multiply(*old_top,matrix);
	return *this;
}

Matrix4x4Stack&
	Matrix4x4Stack::Concatenate(const AffineMatrix& matrix)
{
	Matrix4x4 *old_top = Cast_Object(Matrix4x4*,Peek());
	Matrix4x4 *new_top = (Matrix4x4*)MemoryStack::Push();
	new_top->Multiply(*old_top,matrix);
	return *this;
}

Matrix4x4&
	Matrix4x4Stack::Push(const AffineMatrix& matrix)
{
	Matrix4x4 *new_top = (Matrix4x4*)MemoryStack::Push();
	return *new_top = matrix;
}