MercuryScreen.h

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#ifndef MERCURYSCREEN_H
#define MERCURYSCREEN_H

#include "MercuryObject.h"
#include "MercuryModel.h"
#include "MercurySprite.h"
#include "MercuryCamera.h"
#include "MercuryDisplay.h"

class MercuryScreen : public MercuryObject
{
public:
    MercuryScreen( const MercuryScreen & MercuryScreen );
    MercuryScreen();
    MercuryScreen( const MString &name );
    virtual ~MercuryScreen();
    virtual void Init();
    virtual void Update(const float dTime);
    virtual void Message( int Message, PStack & data, const MString & name );
    virtual void Render();

    virtual bool RemoveObject(MercuryObject* object, bool bAllowDelete = true );

    void AddPerspObject(MercuryObject* object, bool bParentDelete = false);
    void AddOrthoObject(MercuryObject* object, bool bParentDelete = false);

    virtual MercuryObject * Spawn( const MString & sClass, const MString & sName, PROJECTIONTYPE projection = PERSPECTIVE );

    MercuryCamera* GetCamera() { return m_pCamera; }
    
    CLASS_RTTI( MercuryScreen, MercuryObject );

protected:
    void UpdatePerspectiveObjects(float dTime);
    void UpdateOrthoObjects(float dTime);

    void RenderPerspectiveObjects();
    void RenderOrthoObjects();

    void CreateProjections();

    MercuryObject* m_pBackground;
    MercuryCamera* m_pCamera;

    bool m_useLighting;

    Projection m_perspProjection;
    Projection m_orthoProjection;
private:
    //Do not delete from these only erase, delete from m_objects
    MercuryObject m_PerspObjects;
    MercuryObject m_OrthoObjects;
};


//NOTE: This type of self-registering screen system is almost an
//exact rip-off of the one in Rage (for StepMania). The following
//few lines are (c) MIT 2001-2005 Chris Danford, Glenn Maynard
typedef MercuryScreen* (*NewScreenFunction)(const MString& sClassName);
void RegisterMercuryScreen( const MString& sClassName, NewScreenFunction pfn );

#define REGISTER_SCREEN_CLASS( className ) \
    static MercuryScreen* Create##className( const MString &sName ) \
    { MercuryScreen *pRet = new className( sName ); pRet->Init(); return pRet; } \
    struct Register##className { \
        Register##className() { RegisterMercuryScreen( #className,Create##className); } \
    }; \
    static Register##className register_##className; \
    REGISTER_OBJECT_TYPE( className );

extern std::map< MString, NewScreenFunction >  *ToMakeScreens;

//End of Rage-based registering system.

#endif

/* 
 * (c) 2005 Joshua Allen, Charles Lohr
 * All rights reserved.
 *
 * Certain parts of the code (as noted)
 * (c) MIT 2001-2005 Chris Danford, Glenn Maynard
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *  -   Redistributions of source code must retain the above
 *      copyright notice, this list of conditions and the following disclaimer.
 *  -   Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in
 *      the documentation and/or other materials provided with the distribution.
 *  -   Neither the name of the Mercury Engine nor the names of its
 *      contributors may be used to endorse or promote products derived from
 *      this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

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