/*
* Copyright (c) 2003 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:
*
*/


package javax.microedition.m3g;

public class Appearance extends Object3D
{
    //------------------------------------------------------------------
    // Instance data
    //------------------------------------------------------------------

    private CompositingMode compositingMode;
    private Fog             fog;
    private Material        material;
    private PolygonMode     polygonMode;
    private Texture2D[]     textures;

    //------------------------------------------------------------------
    // Constructor(s)
    //------------------------------------------------------------------

    public Appearance()
    {
        super(_ctor(Interface.getHandle()));
    }

    /**
     */
    Appearance(int handle)
    {
        super(handle);

        compositingMode = (CompositingMode) getInstance(_getCompositingMode(handle));
        fog             = (Fog) getInstance(_getFog(handle));
        material        = (Material) getInstance(_getMaterial(handle));
        polygonMode     = (PolygonMode) getInstance(_getPolygonMode(handle));

        textures = new Texture2D[Defs.NUM_TEXTURE_UNITS];

        for (int i = 0; i < Defs.NUM_TEXTURE_UNITS; ++i)
        {
            textures[i] = (Texture2D) getInstance(_getTexture(handle, i));
        }
    }

    //------------------------------------------------------------------
    // Public methods
    //------------------------------------------------------------------

    public void setCompositingMode(CompositingMode compositingMode)
    {
        _setCompositingMode(handle,
                            compositingMode != null
                            ? compositingMode.handle
                            : 0);
        this.compositingMode = compositingMode;
    }

    public CompositingMode getCompositingMode()
    {
        return compositingMode;
    }

    public void setFog(Fog fog)
    {
        _setFog(handle, fog != null ? fog.handle : 0);
        this.fog = fog;
    }

    public Fog getFog()
    {
        return fog;
    }

    public void setPolygonMode(PolygonMode polygonMode)
    {
        _setPolygonMode(handle, polygonMode != null ? polygonMode.handle : 0);
        this.polygonMode = polygonMode;
    }

    public PolygonMode getPolygonMode()
    {
        return polygonMode;
    }

    public void setLayer(int index)
    {
        _setLayer(handle, index);
    }

    public int getLayer()
    {
        return _getLayer(handle);
    }

    public void setMaterial(Material material)
    {
        _setMaterial(handle, material != null ? material.handle : 0);
        this.material = material;
    }

    public Material getMaterial()
    {
        return material;
    }

    public void setTexture(int unit, Texture2D texture)
    {
        _setTexture(handle, unit, texture != null ? texture.handle : 0);

        if (textures == null)
        {
            textures = new Texture2D[Defs.NUM_TEXTURE_UNITS];
        }
        textures[unit] = texture;
    }

    public Texture2D getTexture(int unit)
    {
        return (Texture2D) getInstance(_getTexture(handle, unit));
    }

    //------------------------------------------------------------------
    // Private methods
    //------------------------------------------------------------------

    private static native int   _ctor(int hInterface);

    private static native int   _getCompositingMode(int hApp);
    private static native int   _getFog(int hApp);
    private static native int   _getLayer(int hApp);
    private static native int   _getMaterial(int hApp);
    private static native int   _getPolygonMode(int hApp);
    private static native int   _getTexture(int hApp, int unit);

    private static native void  _setCompositingMode(int hApp, int hMode);
    private static native void  _setFog(int hApp, int hFog);
    private static native void  _setLayer(int hApp, int layer);
    private static native void  _setMaterial(int hApp, int hMaterial);
    private static native void  _setPolygonMode(int hApp, int hMode);
    private static native void  _setTexture(int hApp,
                                            int unit,
                                            int hTexture);
}