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/*==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
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
// //
// plNoteTrackWatcher - Dummy object to watch for notetrack additions or //
// removals from the main material that owns it. //
// All of this is required because MAX will notify //
// an object's dependents about notetrack actions but //
// NOT the object itself, and the Add/DeleteNoteTrack //
// functions are non-virtual. ARRRGH! //
// //
//////////////////////////////////////////////////////////////////////////////
#include "hsTypes.h"
#include "plNoteTrackWatcher.h"
#include "plPassMtlBase.h"
#include "iparamm2.h"
#include "resource.h"
//// Watcher Class Desc //////////////////////////////////////////////////////
plNoteTrackWatcher::plNoteTrackWatcher( plPassMtlBase *parentMtl ) : fParentMtl(nil)
{
fNoteTrackCount = parentMtl->NumNoteTracks();
MakeRefByID( FOREVER, kRefParentMtl, parentMtl );
}
plNoteTrackWatcher::~plNoteTrackWatcher()
{
if( fParentMtl != nil )
{
fParentMtl->fNTWatcher = nil;
DeleteReference( kRefParentMtl );
}
DeleteAllRefsFromMe();
}
BOOL plNoteTrackWatcher::IsRealDependency( ReferenceTarget *rtarg )
{
if( rtarg == fParentMtl )
return false;
return true;
}
int plNoteTrackWatcher::NumRefs()
{
return 1;
}
RefTargetHandle plNoteTrackWatcher::GetReference( int i )
{
if( i == kRefParentMtl )
return fParentMtl;
return nil;
}
void plNoteTrackWatcher::SetReference( int i, RefTargetHandle rtarg )
{
if( i == kRefParentMtl )
fParentMtl = (plPassMtlBase *)rtarg;
}
RefResult plNoteTrackWatcher::NotifyRefChanged(Interval changeInt, RefTargetHandle hTarget, PartID& partID, RefMessage message)
{
switch( message )
{
case REFMSG_SUBANIM_STRUCTURE_CHANGED:
if( hTarget == fParentMtl && fParentMtl != nil )
{
// Structure of parent material changed--did it gain or lose a notetrack?
int oldCount = fNoteTrackCount;
fNoteTrackCount = fParentMtl->NumNoteTracks();
if( oldCount != fNoteTrackCount )
{
// Is it an addition?
if( fNoteTrackCount > oldCount )
// Yes, notify parent.
fParentMtl->NoteTrackAdded();
else
// Deletion, also notify parent
fParentMtl->NoteTrackRemoved();
}
}
break;
case REFMSG_NODE_NAMECHANGE:
if( hTarget == fParentMtl )
{
fParentMtl->NameChanged();
}
break;
case REFMSG_TARGET_DELETED:
fParentMtl = nil;
break;
}
return REF_SUCCEED;
}