/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   M3G 3D Mesh

*

*/

#include "alf/alfm3gmesh.h"

#include "alf/alfenv.h"

#include "alf/alfgencomponent.h"

#include "alf/alfconstants.h"

#include "alflogger.h"

struct CAlfM3GMesh::TM3GMeshPrivateData

    {

    CAlfEnv* iEnv; // Not owned

    CAlfGenComponent* iComms; // Not owned

    };

// ======== MEMBER FUNCTIONS ========

// ---------------------------------------------------------------------------

// Exposed constructor

// ---------------------------------------------------------------------------

//

CAlfM3GMesh* CAlfM3GMesh::NewL( CAlfGenComponent& aComms, CAlfEnv& aEnv )

    {

    CAlfM3GMesh* self = new( ELeave ) CAlfM3GMesh;

    CleanupStack::PushL( self );

    self->ConstructL( aComms, aEnv );

    CleanupStack::Pop( self );

    return self;

    }

// ---------------------------------------------------------------------------

// First phase constructor

// ---------------------------------------------------------------------------

//

CAlfM3GMesh::CAlfM3GMesh()

    {

    }

// ---------------------------------------------------------------------------

// Second phase constructor

// ---------------------------------------------------------------------------

//

void CAlfM3GMesh::ConstructL( CAlfGenComponent& aComms, CAlfEnv& aEnv )

    {

    // Construct the base class

    CAlfMesh::ConstructL(aComms, EAlfMeshTypeM3G);

    // Create object data.

    iData = new (ELeave) TM3GMeshPrivateData;

    // Zero all object data

    iData->iEnv = NULL;

    iData->iComms = NULL;

    // Fill data

    iData->iEnv = &aEnv;

    iData->iComms = &aComms;

    // Create input and output buffers for inter-process communication

    TBuf8<1> outDummy;

    TInt param = EAlfMeshTypeM3G;

    TPckgC<TInt> buf(param);

    // Call a synchronous command to create an associated server-side M3G mesh.

    TInt err = iData->iComms->DoSynchronousCmd(EAlfMeshVisualCreateMesh, buf, outDummy);

    if (err)

        {

        __ALFLOGSTRING1( "CAlfM3GMesh::ConstructL leave error %d", err )

        User::Leave( err );

        }

    }

// ---------------------------------------------------------------------------

// Destructor

// ---------------------------------------------------------------------------

//

CAlfM3GMesh::~CAlfM3GMesh()

    {

    delete iData;

    iData = NULL;

    }

// ---------------------------------------------------------------------------

// Loads a new M3G Mesh scene into this M3G mesh

// ---------------------------------------------------------------------------

//

EXPORT_C void CAlfM3GMesh::LoadSceneL(const TDesC& aFileName)

    {

    ASSERT(iData != NULL);

    TFileName filename = aFileName;

    // Prepend the image file path to the filename.

    iData->iEnv->TextureManager().PrependImagePath(filename);

    // Create input and output buffers for inter-process communication

    TBuf8<1> outDummy;

    TAlfMeshLoadM3GSceneParams params;

    params.iFilename = filename;

    TPckg<TAlfMeshLoadM3GSceneParams> paramsPckg(params);

    // Call a synchronous command to load the M3G scene graph

    TInt err = iData->iComms->DoSynchronousCmd(EAlfMeshLoadM3GScene, paramsPckg, outDummy);

    if (err)

        {

        __ALFLOGSTRING1( "CAlfM3GMesh::LoadSceneL leave error %d", err )

        User::Leave( err );

        }    

    }