projector.h

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/*
**  Command & Conquer Generals Zero Hour(tm)
**  Copyright 2025 Electronic Arts Inc.
**
**  This program is free software: you can redistribute it and/or modify
**  it under the terms of the GNU General Public License as published by
**  the Free Software Foundation, either version 3 of the License, or
**  (at your option) any later version.
**
**  This program is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
 
/***********************************************************************************************
 ***              C O N F I D E N T I A L  ---  W E S T W O O D  S T U D I O S               ***
 ***********************************************************************************************
 *                                                                                             *
 *                 Project Name : WW3D                                                         *
 *                                                                                             *
 *                     $Archive:: /Commando/Code/ww3d2/projector.h                            $*
 *                                                                                             *
 *              Original Author:: Greg Hjelstrom                                               *
 *                                                                                             *
 *                      $Author:: Kenny Mitchell                                               * 
 *                                                                                             * 
 *                     $Modtime:: 06/26/02 4:04p                                             $*
 *                                                                                             *
 *                    $Revision:: 2                                                           $*
 *                                                                                             *
 * 06/26/02 KM Matrix name change to avoid MAX conflicts                                       *
 *---------------------------------------------------------------------------------------------*
 * Functions:                                                                                  *
 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
#ifndef PROJECTOR_H
#define PROJECTOR_H
 
#include "always.h"
#include "matrix3d.h"
#include "matrix4.h"
#include "aabox.h"
#include "obbox.h"
 
 
class MatrixMapperClass;
 

class ProjectorClass
{
public:
    
    ProjectorClass(void);
    virtual ~ProjectorClass(void);
 
    virtual void                    Set_Transform(const Matrix3D & tm);
    virtual const Matrix3D &    Get_Transform(void) const;
 
    virtual void                    Set_Perspective_Projection(float hfov,float vfov,float znear,float zfar);
    virtual void                    Set_Ortho_Projection(float xmin,float xmax,float ymin,float ymax,float znear,float zfar);
 
    const OBBoxClass &            Get_Bounding_Volume(void) const { return WorldBoundingVolume; }
    void                                Compute_Texture_Coordinate(const Vector3 & point,Vector3 * set_stq);
 
    MatrixMapperClass*         Peek_Mapper() const { return Mapper; }
 
protected:
 
    virtual void                    Update_WS_Bounding_Volume(void);
 
    Matrix3D                            Transform;
    Matrix4x4                      Projection;
 
    AABoxClass                        LocalBoundingVolume;
    OBBoxClass                        WorldBoundingVolume;
 
    MatrixMapperClass *            Mapper;
};
 
 
#endif