gls_path_manager.h

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/*! \file
  \brief  The disti::GlsPathManager class and global enumerations.

  \par Copyright Information

  Copyright (c) 2017 by The DiSTI Corporation.<br>
  11301 Corporate Blvd; Suite 100<br>
  Orlando, Florida 32817<br>
  USA<br>
  <br>
  All rights reserved.<br>

  This Software contains proprietary trade secrets of DiSTI and may not be
reproduced, in whole or part, in any form, or by any means of electronic,
mechanical, or otherwise, without the written permission of DiSTI.  Said
permission may be derived through the purchase of applicable DiSTI product
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Derivative Works based on this or other copyrighted DiSTI Software.

  NO WARRANTY. THE SOFTWARE IS PROVIDED "AS-IS," WITHOUT WARRANTY OF ANY KIND,
AND ANY USE OF THIS SOFTWARE PRODUCT IS AT YOUR OWN RISK. TO THE MAXIMUM EXTENT
PERMITTED BY APPLICABLE LAW, DISTI AND ITS SUPPLIERS DISCLAIM ALL WARRANTIES
AND CONDITIONS, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY AND/OR FITNESS FOR A
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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,
INDIRECT, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION,
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*/
#ifndef _GLSPATHMANAGER_H
#define _GLSPATHMANAGER_H

#include "gls_cpp_lang_support.h"
#include "gls_dynamic_path.h"
#include "group.h"

namespace disti
{
// SetValue enumerations
enum
{
    GLS_PATHMANAGER_FIRST_VALUE = GLS_LAST_INITIALIZER + 1,
    GLS_PATHMANAGER_PATHOBJPAIR_COUNT,
    GLS_PATHMANAGER_PATHOBJPAIR
};

/** Runtime implementation of a GlsPathManager */
class GlsPathManager : public DisplayObject
{
    friend class GlsPathManagerEditor;

private:
    GlsPathManager& operator=( const GlsPathManager& ) DISTI_SPECIAL_MEM_FUN_DELETE;
    GlsPathManager( const GlsPathManager& ) DISTI_SPECIAL_MEM_FUN_DELETE;

public:
    typedef DisplayObject _BaseClass;

    /** Create a new GlsPathManager.
      * \param generateInstanceName  Whether or not to generate an instance name
      * for this inputdevice */
    GLSGEN_GLSDYNAMICPATH_EXPORT GlsPathManager( bool generateInstanceName = false );
    GLSGEN_GLSDYNAMICPATH_EXPORT GlsPathManager( const GlsPathManager& that, const bool generateNames );

    /** Destructs a GlsPathManager object */
    virtual GLSGEN_GLSDYNAMICPATH_EXPORT ~GlsPathManager();

    static GLSGEN_GLSDYNAMICPATH_EXPORT DisplayObject* CreateInstance();

    virtual GLSGEN_GLSDYNAMICPATH_EXPORT void SetAvailableAttributes( unsigned int value );

    virtual GLSGEN_GLSDYNAMICPATH_EXPORT DisplayObject* CloneObject( bool generateNames = false );

    virtual GLSGEN_GLSDYNAMICPATH_EXPORT void CopyProperties( DisplayObject* src );

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

    virtual GLSGEN_GLSDYNAMICPATH_EXPORT void Draw( void );

    virtual GLSGEN_GLSDYNAMICPATH_EXPORT bool Hit( float x, float y, float z, float scale, const Vector& directionVector, Vector* collisionPoint );

    virtual GLSGEN_GLSDYNAMICPATH_EXPORT void SetValue( int spec, va_list& args );

    virtual GLSGEN_GLSDYNAMICPATH_EXPORT DistiAttributeBase& Resource( const char* name );
    virtual GLSGEN_GLSDYNAMICPATH_EXPORT void                GetResources( std::ostream& outstr, GlsResourceFilter* filter );

    //////////////////////////////////////////////////
    // GlsPathManager specific operations
    //////////////////////////////////////////////////

    // Contains a dynamic path and the object that path animates.
    class PathObjectPair
    {
    public:
        GLSGEN_GLSDYNAMICPATH_EXPORT PathObjectPair();
        GLSGEN_GLSDYNAMICPATH_EXPORT PathObjectPair( const PathObjectPair& );
        GLSGEN_GLSDYNAMICPATH_EXPORT ~PathObjectPair();

        GLSGEN_GLSDYNAMICPATH_EXPORT const PathObjectPair& operator=( const PathObjectPair& );
        GLSGEN_GLSDYNAMICPATH_EXPORT void                  MakeAttribDict();

        inline DistiAttribDict& Attributes()
        {
            if( !_attribDict )
                MakeAttribDict();
            return *_attribDict;
        };

        inline void SetDynamicPathByName( const std::string& name )
        {
            _pathName = name;
        }

        inline std::string GetDynamicPathName()
        {
            if( _path )
                return std::string( GetDynamicPath()->InstanceName() );

            return _pathName;
        }

#ifdef GLES

        inline void SetDynamicPath( GlsDynamicPath* path )
        {
            _path = path;
        }

        inline GlsDynamicPath* GetDynamicPath()
        {
            return _path;
        }

        inline void SetObject( DisplayObject* object )
        {
            _object = object;
        }

        inline DisplayObject* GetObject()
        {
            return _object;
        }
#else
        inline void SetDynamicPath( GlsDynamicPath** path )
        {
            _path = (GlsDynamicPath**)path;
        }

        inline GlsDynamicPath* GetDynamicPath()
        {
            if( _path )
                return *_path;

            return NULL;
        }

        inline void SetObject( DisplayObject** object )
        {
            _object = object;
        }

        inline DisplayObject* GetObject()
        {
            if( _object )
                return *_object;

            return NULL;
        }
#endif

        inline void SetObjectByName( const std::string& name )
        {
            _objectName = name;
        }

        inline std::string GetObjectName()
        {
            if( _object )
                return std::string( GetObject()->InstanceName() );

            return _objectName;
        }

    protected:
#ifdef GLES
        GlsDynamicPath* _path; // the *'s are for runtime...
        DisplayObject*  _object;
#else
        GlsDynamicPath** _path; // the **'s are for runtime...
        DisplayObject**  _object;
#endif

        std::string _pathName; // the std::strings are for editing...
        std::string _objectName;

        DistiAttribDict* _attribDict;
    };

    typedef DynamicArray<PathObjectPair, false> PathObjectPairArrayType;

    // Returns the PathObjectPairArray associated with this object.
    // Use this array to set which path goes with what object.
    inline PathObjectPairArrayType&       PathObjectPairArray() { return _pathObjectPairArray; }
    inline const PathObjectPairArrayType& PathObjectPairArray() const { return _pathObjectPairArray; }

    /** Sets the animation value as a ratio of MinAnimationValue, MaxAnimationValue
      * \param pct percent of animation (0.0 -> 1.0).
      */
    GLSGEN_GLSDYNAMICPATH_EXPORT void AnimationPct( double pct );

    /** Move all of the objects in the PathObjectPairArray to the given value on the associated path.
      * \param value The value used to position the object on the path (see GlsDynamicPath::MoveObject)
      */
    GLSGEN_GLSDYNAMICPATH_EXPORT void SetAnimationValue( float value );

    /** Backwards compatibility method
      * \see SetAnimationValue */
    inline void CurrentTimeValue( float value ) { SetAnimationValue( value ); }

    /** Causes the MinAnimationValue and MaxAnimationValue to be recalculated using
      * the paths in the PathObjectPairArray.
      */
    GLSGEN_GLSDYNAMICPATH_EXPORT void RecalcMinMaxValue();

    /** Returns the stored minimum animation value from the PathObjectPairArray.
      * \see RecalcMinMaxValue
      * \return The minimum animation value
      */
    GLSGEN_GLSDYNAMICPATH_EXPORT float MinAnimationValue();

    /** Backwards compatibility method
      * \see MinAnimationValue */
    inline float MinTimeValue() { return MinAnimationValue(); }

    /** Returns the stored maximum animation value from the PathObjectPairArray.
      * \see RecalcMinMaxValue
      * \return The maximum animation value
      */
    GLSGEN_GLSDYNAMICPATH_EXPORT float MaxAnimationValue();

    /** Backwards compatibility method
      * \see MaxAnimationValue */
    inline float MaxTimeValue() { return MaxAnimationValue(); }

protected:
    PathObjectPairArrayType _pathObjectPairArray;

    float _minValue;
    float _maxValue;
    bool  _recalcValueBounds;

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

} // namespace disti

#endif