CWE-ou-minkata/Sources/Plasma/PubUtilLib/plPipeline/plCubicRenderTarget.h

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, 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
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

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 or by snail mail at:
      Cyan Worlds, Inc.
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*==LICENSE==*/
///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  plCubicRenderTarget Class Header                                         //
//  Derived renderTarget class representing a collection of render targets   //
//  to be used for DYNAMIC cubic environment mapping.                        //
//  Cyan, Inc.                                                               //
//                                                                           //
//// Version History //////////////////////////////////////////////////////////
//                                                                           //
//  6.7.2001 mcn - Created.                                                  //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#ifndef _plCubicRenderTarget_h
#define _plCubicRenderTarget_h

#include "plRenderTarget.h"
#include "hsMatrix44.h"


//// Class Definition /////////////////////////////////////////////////////////

class plCubicRenderTarget : public plRenderTarget
{
    protected:

        //// Protected Members ////

        plRenderTarget  *fFaces[6];
        hsMatrix44      fWorldToCameras[6];
        hsMatrix44      fCameraToWorlds[6];
    
    public:

        //// Public Data ////

        enum Faces
        {
            kLeftFace = 0,
            kRightFace,
            kFrontFace,
            kBackFace,
            kTopFace,
            kBottomFace
        };

        //// Public Members ////

        CLASSNAME_REGISTER( plCubicRenderTarget );
        GETINTERFACE_ANY( plCubicRenderTarget, plRenderTarget );

        plCubicRenderTarget()
        {
            fFaces[0] = fFaces[1] = fFaces[2] = fFaces[3] = fFaces[4] = fFaces[5] = nil;
        }

        plCubicRenderTarget( UInt16 flags, UInt16 width, UInt16 height, UInt8 bitDepth, UInt8 zDepth = -1, UInt8 sDepth = -1 ) 
            : plRenderTarget( flags, width, height, bitDepth, zDepth, sDepth )
        {
            int     i;


            for( i = 0; i < 6; i++ )
            {
                fFaces[i] = TRACKED_NEW plRenderTarget( flags, width, height, bitDepth, zDepth, sDepth );
                fFaces[i]->fParent = this;
                fWorldToCameras[i].Reset();
                fCameraToWorlds[i].Reset();
            }
        }

        virtual ~plCubicRenderTarget()
        {
            int         i;


            for( i = 0; i < 6; i++ ) 
                delete fFaces[i];
        }

        // Get the total size in bytes
        virtual UInt32  GetTotalSize( void ) const;

        virtual void                SetCameraMatrix(const hsPoint3& pos);
        virtual const hsMatrix44&   GetWorldToCamera(UInt8 face) const { return fWorldToCameras[face]; }
        virtual const hsMatrix44&   GetCameraToWorld(UInt8 face) const { return fCameraToWorlds[face]; }

        plRenderTarget  *GetFace(UInt8 face) const { return fFaces[face]; }

        virtual UInt32  Read(hsStream *s);
        virtual UInt32  Write(hsStream *s);

};


#endif // _plCubicRenderTarget_h