gls_advanced_mesh.h

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/*! \file
  \brief  The disti::GlsAdvancedMesh class.

  
  \par Copyright Information

  Copyright (c) 2017 by The DiSTI Corporation.<br>
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  <br>
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  NO WARRANTY. THE SOFTWARE IS PROVIDED "AS-IS," WITHOUT WARRANTY OF ANY KIND,
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  LIMITATION OF LIABILITY. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW,
IN NO EVENT SHALL DISTI OR ITS SUPPLIERS BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
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*/

#ifndef INCLUDED_GLS_ADVANCED_MESH_H
#define INCLUDED_GLS_ADVANCED_MESH_H

#ifdef _WIN32
#    include <windows.h>
#endif

#include "gls_geometry_resource.h"
#include "gls_geometry_resource_mesh.h"
#include "gls_render_effect.h"
#include "gls_resource_file_mgr.h"

//////////////////// Provides support for creating DLLs ////////////////////////
#if( defined( GLSGEN_EXPORT_GLSADVANCEDMESH ) || defined( GLSGEN_IMPORT_GLSADVANCEDMESH ) || defined( GLS_EXPORT_GENERATED ) || defined( GLS_IMPORT_GENERATED ) ) \
    && defined( _MSC_VER )
#    if defined( GLSGEN_EXPORT_GLSADVANCEDMESH ) || defined( GLS_EXPORT_GENERATED )
#        define GLSGEN_GlsAdvancedMesh_EXPORT __declspec( dllexport )
#    else
#        define GLSGEN_GlsAdvancedMesh_EXPORT __declspec( dllimport )
#    endif
#else
#    define GLSGEN_GlsAdvancedMesh_EXPORT
#endif
///////////////////////////////////////////////////////////////////////////////

#define LIB_BASE_NAME "gls_advanced_mesh"
#include "gls_auto_lib.h"
#undef LIB_BASE_NAME

namespace disti
{
#ifdef GLES
// Forward Declaration
class GlsGloFileAttribute;
#endif

// forward decl
class GlsResourceFileMgr;

class GlsAdvancedMesh : public GlsGeometryResourceMesh
{
public:
    DISTI_DEPRECATED( "This identifier is forbidden by the C++ standard. Use BaseClass instead." )
    typedef GlsGeometryResourceMesh _BaseClass;
    typedef GlsGeometryResourceMesh BaseClass;
    friend class GlsAdvancedMeshEditor;

    /** Create a new GlsAdvancedMesh. */
    GLSGEN_GlsAdvancedMesh_EXPORT GlsAdvancedMesh( void );

    /** Create a new GlsAdvancedMesh. 
        \param type The type of Resource to create.
    */
    GLSGEN_GlsAdvancedMesh_EXPORT GlsAdvancedMesh( const GlsGeometryResource::TypeDesc& type );

    /**
        \param resource A pointer to a resource that this Mesh will link to
        \pre resource must be valid
        \post the resource interest count will be incremented.
    */
    GLSGEN_GlsAdvancedMesh_EXPORT GlsAdvancedMesh( GlsGeometryResource* resource );

    /**
     * Create from a resource id and reference to a resource manager
     * \param resourceMgr - resource manager
     * \param resourceId - the string identifier of the resource
     */
    GLSGEN_GlsAdvancedMesh_EXPORT GlsAdvancedMesh( GlsResourceFileMgr& resourceMgr, const char* resourceId );

    /** Copy constructor for GlsAdvancedMesh
     * \param that          The GlsAdvancedMesh to be copied from
     * \param generateNames Whether or not to generate a new instance name
     */
    GLSGEN_GlsAdvancedMesh_EXPORT GlsAdvancedMesh( const GlsAdvancedMesh& that, const bool generateNames );

    /** Destructs a GlsAdvancedMesh object */
    virtual GLSGEN_GlsAdvancedMesh_EXPORT ~GlsAdvancedMesh();

    static GLSGEN_GlsAdvancedMesh_EXPORT DisplayObject* CreateInstance();

    //////////////////////////////////////////////////
    // Overridden base class methods
    //////////////////////////////////////////////////

    /* DisplayObject */
    virtual GLSGEN_GlsAdvancedMesh_EXPORT void SetAvailableAttributes( unsigned int value ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GlsAdvancedMesh_EXPORT DisplayObject* CloneObject( bool generateNames = false ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GlsAdvancedMesh_EXPORT void           CopyProperties( DisplayObject* src ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GlsAdvancedMesh_EXPORT void           CopyGeometry( DisplayObject* src ) DISTI_METHOD_OVERRIDE;

#ifndef GLES
    virtual GLSGEN_GlsAdvancedMesh_EXPORT InterfaceListType* GetCppInterfaceDescription( InterfaceListType* addToThisList = NULL ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GlsAdvancedMesh_EXPORT void               GetCppInterfaceDescriptionFree( InterfaceListType* array ) DISTI_METHOD_OVERRIDE;
#endif

    virtual GLSGEN_GlsAdvancedMesh_EXPORT void PreDraw( const OpenGLMatrices& parentMatrices, Culler& culler ) DISTI_METHOD_OVERRIDE;
    //virtual GLSGEN_GlsAdvancedMesh_EXPORT void Draw(void);

    //////////////////////////////////////////////////
    // GlsAdvancedMesh specific operations
    //////////////////////////////////////////////////

    /**
        Grab a pointer to the Resource.  We do not copy the resource, we now
        have at least two AdvancedMeshs that have interest in the same Geometry.
        \param value a valid GeometryResource object
        \pre
        \post  Interest in any previous geometry is decremented
               Interest in this new geometry in incremented
    */
    GLSGEN_GlsAdvancedMesh_EXPORT void SetGeometryResource( GlsGeometryResource* value );

    /**
        NOTE: THIS METHOD WAS RENAMED FROM GetGlsGeometryResource() BECAUSE THE INTERFACE CHANGED.
        THE METHOD NO LONGER IMPLICITLY CALLS IncrementReference() SO THE CALLER SHOULD NOT
        CALL DecrementReference() ANYMORE.

        The the GlsGeometryResource for this mesh.

        \return a pointer to the Geometry Resource
        \pre _geometryResource must be allocated

        NOTE: SEE COMMENTS ABOVE!!! */
    inline GlsGeometryResource* GetGeometryResource()
    {
        return _geometryResource;
    }

protected:
    // GlsGeometryResourceMesh override
    virtual GLSGEN_GlsAdvancedMesh_EXPORT GlsGeometryResource* GetRenderMesh() DISTI_METHOD_OVERRIDE;

#ifdef GLES
    /** Set a single attribute from the GLO file.
     * \param data The attribute to set and its associated data.
     */
    virtual GLSGEN_GlsAdvancedMesh_EXPORT void SetFromGloData( GlsGloFileAttribute& data ) DISTI_METHOD_OVERRIDE;
#endif

    Vector _lastGeometryBoundingVolumeCenter;
    float  _lastGeometryBoundingVolumeRadius;

    /**
        Access shall be through the GetGlsGeometryResource method
    */
    GlsGeometryResource* _geometryResource;
};

} // namespace disti

#endif