CWE-ou-minkata/Sources/Tools/MaxPlasmaMtls/Materials/plAnimStealthNode.h

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*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
//                                                                          //
//  plAnimStealthNode - Stealthy hidden INode that represents a single      //
//                      segment's worth of animation info for a material.   //
//                      Stored as an INode so they can be "selected"        //
//                      by components as targets of animation messages.     //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

#ifndef _plAnimStealthNode_h
#define _plAnimStealthNode_h

#include "Max.h"
#include "iparamb2.h"
#include "iparamm2.h"

#include "hsTypes.h"
#include "pnKeyedObject/plKey.h"
#include "MaxComponent/plAnimObjInterface.h"
#include "MaxComponent/plMaxAnimUtils.h"

extern TCHAR *GetString(int id);
extern HINSTANCE hInstance;

#define ANIMSTEALTH_CLASSID     Class_ID(0xd0272f8, 0x750349c9)

#define REFMSG_NOTETRACK_ADDED  REFMSG_USER + 1

class plPassMtlBase;
class NoteTrack;
class plMaxNode;
class plErrorMsg;
class plAnimTimeConvert;

//// Class Def ///////////////////////////////////////////////////////////////

class plAnimStealthNode : public HelperObject, public plAnimObjInterface
{
protected:
    ClassDesc2   *fClassDesc;

    IParamBlock2    *fParamBlock;
    plPassMtlBase   *fParentMtl;

    static ParamBlockDesc2 sAnimStealthPB;

    hsBool          fPreppedForConvert;
    SegmentMap      *fCachedSegMap;

    SegmentSpec     *IGetSegmentSpec( void ) const;

public:

    // Some IDs
    enum
    {
        kBlockPB = 0
    };

    enum Refs
    {
        kRefParamBlock,
        kRefParentMtl
    };
    // ParamBlock IDs
    enum ParamBlockIDs
    {
        kPBAutoStart,           // Start the Animation on load  (V2)
        kPBLoop,                // Start Looping at Begin Location
        kPBName,                // Name of the notetrack animation to play
        kPBLoopName,            // Name of the notetrack specified loop
        kPBEaseInType,
        kPBEaseOutType,
        kPBEaseInLength,
        kPBEaseOutLength,
        kPBEaseInMin,
        kPBEaseInMax,
        kPBEaseOutMin,
        kPBEaseOutMax
    };

    plAnimStealthNode( BOOL loading );
    virtual ~plAnimStealthNode();
    void DeleteThis() { delete this; }

    INode           *GetINode( void );
    plPassMtlBase   *GetParentMtl( void );
    void            SetParentMtl( plPassMtlBase *parent );
    void            SetNodeName( const char *parentName );

    // Create the dialog for this object and place it inside the given dialog, centering it in the given control if any
    bool    CreateAndEmbedDlg( IParamMap2 *parentMap, IMtlParams *parentParams, HWND frameCtrl = nil );

    // Release said dialog
    void    ReleaseDlg( void );

    // Switch underlying objects in the dialog (to avoid unnecessary deletion/recreations)
    void    SwitchDlg( plAnimStealthNode *toSwitchTo );

    // Get the actual window handle of the currently active dialog displaying us
    HWND    GetWinDlg( void ) const;

    // Interesting functions
    const char  *GetSegmentName( void ) const;
    void        SetSegment( const char *name ); // nil for "entire animation"

    // Conversion from stealth's INode to the actual object
    static bool                 CanConvertToStealth( INode *objNode );
    static plAnimStealthNode    *ConvertToStealth( INode *objNode );

    ///////////////////////////////////////////////////////////////////////////////////////
    // Required Max functions
    //
    TCHAR* GetObjectName()      { return (TCHAR*)fClassDesc->ClassName(); }
    void InitNodeName(TSTR& s)  { s = fClassDesc->InternalName(); }
    void GetClassName(TSTR& s)  { s = fClassDesc->ClassName(); }
    Class_ID ClassID()          { return ANIMSTEALTH_CLASSID; }      

    RefTargetHandle Clone(RemapDir &remap);
    
    int NumRefs();
    RefTargetHandle GetReference(int i);
    void SetReference(int i, RefTargetHandle rtarg);
    RefResult NotifyRefChanged(Interval changeInt,RefTargetHandle hTarget, PartID& partID, RefMessage message);
    
    // allow retreival of our paramblock from other plug-ins
    // and the max core
    int NumParamBlocks();
    IParamBlock2* GetParamBlock(int i);
    IParamBlock2* GetParamBlockByID(BlockID id);

    // We override because we don't want to be able to animate this sucker
    int         NumSubs() { return 0; }
    Animatable  *SubAnim( int i ) { return nil; }
    TSTR        SubAnimName( int i ) { return fClassDesc->ClassName(); }

    // plug-in mouse creation callback
    CreateMouseCallBack* GetCreateMouseCallBack();

    void BeginEditParams(IObjParam *ip, ULONG flags, Animatable *prev);
    void EndEditParams(IObjParam *ip, ULONG flags, Animatable *next);
//  void SelectionSetChanged(Interface *ip, IUtil *iu);
    
    void BuildMesh(TimeValue t);
    void FreeCaches();
    void GetLocalBoundBox(TimeValue t, INode *node, ViewExp *vpt, Box3 &box);
    void GetWorldBoundBox(TimeValue t, INode *node, ViewExp *vpt, Box3 &box);
    int Display(TimeValue t, INode *node, ViewExp *vpt, int flags);
    int HitTest(TimeValue t, INode *node, int type, int crossing, int flags, IPoint2 *p, ViewExp *vpt);
    ObjectState Eval(TimeValue t) { return ObjectState(this); }

    IOResult Save(ISave* isave);
    IOResult Load(ILoad* iload);

    int CanConvertToType( Class_ID obtype ) { return ( obtype == ANIMSTEALTH_CLASSID ) ? 1 : 0; }

    const char *GetCategory() { return fClassDesc->Category(); }

    /// Parameter access

    bool    GetAutoStart( void ) const;
    void    SetAutoStart( bool b );

    bool        GetLoop( void ) const;
    const char  *GetLoopName( void ) const;
    void        SetLoop( bool b, const char *name );

    UInt8       GetEaseInType( void ) const;
    hsScalar    GetEaseInLength( void ) const;
    hsScalar    GetEaseInMin( void ) const;
    hsScalar    GetEaseInMax( void ) const;
    void        SetEaseIn( UInt8 type, hsScalar length, hsScalar min, hsScalar max );

    UInt8       GetEaseOutType( void ) const;
    hsScalar    GetEaseOutLength( void ) const;
    hsScalar    GetEaseOutMin( void ) const;
    hsScalar    GetEaseOutMax( void ) const;
    void        SetEaseOut( UInt8 type, hsScalar length, hsScalar min, hsScalar max );

    // Conversion stuff
    void        GetAllStopPoints( hsTArray<hsScalar> &out );
    hsScalar    GetSegStart( void ) const;
    hsScalar    GetSegEnd( void ) const;
    void        GetLoopPoints( hsScalar &start, hsScalar &end ) const;
    void        StuffToTimeConvert( plAnimTimeConvert &convert, hsScalar maxLength );

    // plAnimObjInterface functions
    virtual void    PickTargetNode( IParamBlock2 *destPB, ParamID destParamID, ParamID typeID );
    virtual hsBool  IsNodeRestricted( void ) { return true; }
    virtual const char  *GetIfaceSegmentName( hsBool allowNil );
    virtual hsBool  GetKeyList( INode *restrictedNode, hsTArray<plKey> &outKeys );
    virtual hsBool      MightRequireSeparateMaterial( void ) { return true; }

    // Convert time, called on the setupProps pass for each material applied to a node in the scene
    virtual hsBool  SetupProperties( plMaxNode *node, plErrorMsg *pErrMsg );
    virtual hsBool  ConvertDeInit( plMaxNode *node, plErrorMsg *pErrMsg );

    // Returns true if the parent material is applied to any node in the scene, false otherwise
    hsBool          IsParentUsedInScene( void );
};

//// Accessor for Parent's ParamBlock ////////////////////////////////////////

class plStealthNodeAccessor : public PBAccessor
{
    protected:

        void    ISetParent( ReferenceTarget *target, plPassMtlBase *parent );

        void    IHandleSet( PB2Value &v, ReferenceMaker *owner, ParamID id, int tabIndex, TimeValue t );

    public:

        plStealthNodeAccessor() { }
        static plStealthNodeAccessor    &GetInstance( void );
        
        virtual void    Set( PB2Value &v, ReferenceMaker *owner, ParamID id, int tabIndex, TimeValue t );
        virtual void    TabChanged( tab_changes changeCode, Tab<PB2Value> *tab, ReferenceMaker *owner, 
                                            ParamID id, int tabIndex, int count );
};

#endif //_plAnimStealthNode_h