geometryarraystate.java

JAVA3D矩陈的相关类

				colors[i].x = data[ i*3+0 ];
				colors[i].y = data[ i*3+1 ];
				colors[i].z = data[ i*3+2 ];
			    }
			    ((GeometryArray)node).setColorRef3f( colors );
			}
			break;
			case FORMAT_FLOAT:
			    ((GeometryArray)node).setColorRefFloat( readFloatArray( in ) );
			break;
			case FORMAT_BYTE: {
			    byte[] data = new byte[ in.readInt() ];
			    in.readFully( data );
			    ((GeometryArray)node).setColorRefByte( data );
			}
			break;
			case FORMAT_3B: {
			    Color3b[] colors = new Color3b[ in.readInt() ];
			    byte[] data = new byte[ colors.length*3 ];
			    in.readFully( data );
			    for (int i = 0 ; i < colors.length ; i++) {
				colors[i].x = data[ i*3+0 ];
				colors[i].y = data[ i*3+1 ];
				colors[i].z = data[ i*3+2 ];
			    }
			    ((GeometryArray)node).setColorRef3b( colors );
			}
			break;
			}
		    }
		} else {
		    // Not by-reference
		    byte[] colors = new byte[ vertexCount*3 ];
		    in.readFully( colors );
		    ((GeometryArray)node).setColors( 0, colors );
		}
	    }

	    if ((vertexFormat & GeometryArray.COORDINATES)!=0 ) {
		if ( byRef ) {
		    if ( !(node instanceof IndexedGeometryArray) ) {
			((GeometryArray)node).setInitialCoordIndex( in.readInt() );
		    }

		    if ( nio ) {
			switch( in.readInt() ) {
			case FORMAT_FLOAT: {
			    float[] floats = readFloatArray( in );
			    ByteBufferWrapper b = 
				ByteBufferWrapper.allocateDirect( floats.length*4 );
			    FloatBufferWrapper f =
				b.order( ByteOrderWrapper.nativeOrder() ).asFloatBuffer();
			    f.put( floats );
			    ((GeometryArray)node).setCoordRefBuffer( f.getJ3DBuffer() );
			}
			break;
			case FORMAT_DOUBLE: {
			    double[] doubles = readDoubleArray( in );
			    ByteBufferWrapper b = 
				ByteBufferWrapper.allocateDirect( doubles.length*4 );
			    DoubleBufferWrapper f =
				b.order( ByteOrderWrapper.nativeOrder() ).asDoubleBuffer();
			    f.put( doubles );
			    ((GeometryArray)node).setCoordRefBuffer( f.getJ3DBuffer() );
			}
			break;
			}
		    } else {
			switch( in.readInt() ) {
			case FORMAT_3F: {
			    float[] data = readFloatArray( in );
			    Point3f[] coords = new Point3f[ data.length/3 ];
			    for (int i = 0 ; i < coords.length ; i++) {
				coords[i].x = data[ i*3+0 ];
				coords[i].y = data[ i*3+1 ];
				coords[i].z = data[ i*3+2 ];
			    }
			    ((GeometryArray)node).setCoordRef3f( coords );
			}
			break;
			case FORMAT_3D: {
			    double[] data = readDoubleArray( in );
			    Point3d[] coords = new Point3d[ data.length/3 ];
			    for (int i = 0 ; i < coords.length ; i++) {
				coords[i].x = data[ i*3+0 ];
				coords[i].y = data[ i*3+1 ];
				coords[i].z = data[ i*3+2 ];
			    }
			    ((GeometryArray)node).setCoordRef3d( coords );
			}
			break;
			case FORMAT_FLOAT:
			    ((GeometryArray)node).setCoordRefFloat( readFloatArray( in ) );
			break;
			case FORMAT_DOUBLE:
			    ((GeometryArray)node).setCoordRefDouble( readDoubleArray( in ) );
			break;
			}
		    }
		} else {
		    // Not by-reference
		    float[] points = readFloatArray( in );
		    ((GeometryArray)node).setCoordinates( 0, points );
		}
	    }

	    if ((vertexFormat & GeometryArray.NORMALS)!=0) {
		if ( byRef ) {
		    if ( !(node instanceof IndexedGeometryArray) ) {
			((GeometryArray)node).setInitialNormalIndex( in.readInt() );
		    }

		    if ( nio ) {
			if ( in.readInt() == FORMAT_FLOAT ) {
			    float[] floats = readFloatArray( in );
			    ByteBufferWrapper b = 
				ByteBufferWrapper.allocateDirect( floats.length*4 );
			    FloatBufferWrapper f =
				b.order( ByteOrderWrapper.nativeOrder() ).asFloatBuffer();
			    f.put( floats );
			    ((GeometryArray)node).setNormalRefBuffer( f.getJ3DBuffer() );
			}
		    } else {
			switch( in.readInt() ) {
			case FORMAT_3F: {
			    float[] data = readFloatArray( in );
			    Vector3f[] norms = new Vector3f[ data.length/3 ];
			    for (int i = 0 ; i < norms.length ; i++) {
				norms[i].x = data[ i*3+0 ];
				norms[i].y = data[ i*3+1 ];
				norms[i].z = data[ i*3+2 ];
			    }
			    ((GeometryArray)node).setNormalRef3f( norms );
			}
			break;
			case FORMAT_FLOAT:
			    ((GeometryArray)node).setNormalRefFloat( readFloatArray( in ) );
			break;
			}
		    }
		} else {
		    // Not by-reference
		    float[] normals = readFloatArray( in );
		    ((GeometryArray)node).setNormals( 0, normals );
		}
	    }

	    if (((vertexFormat & GeometryArray.TEXTURE_COORDINATE_2) != 0) ||
		((vertexFormat & GeometryArray.TEXTURE_COORDINATE_3) != 0) ||
		((vertexFormat & GeometryArray.TEXTURE_COORDINATE_4) != 0)) {
		if ( byRef ) {
		    for(int set=0; set<texCoordSetCount; set++) {
			if ( !(node instanceof IndexedGeometryArray) ) {
			    ((GeometryArray)node).setInitialTexCoordIndex( set, in.readInt() );
			}

			if ( nio ) {
			    if ( in.readInt() == FORMAT_FLOAT ) {
				float[] floats = readFloatArray( in );
				ByteBufferWrapper b = 
				    ByteBufferWrapper.allocateDirect( floats.length*4 );
				FloatBufferWrapper f = b.order(
				    ByteOrderWrapper.nativeOrder() ).asFloatBuffer();
				f.put( floats );
				((GeometryArray)node).setTexCoordRefBuffer( set,
				    f.getJ3DBuffer() );
			    }
			} else {
			    switch( in.readInt() ) {
			    case FORMAT_2F: {
				float[] data = readFloatArray( in );
				TexCoord2f[] tcoords = new TexCoord2f[ data.length/2 ];
				for (int i = 0 ; i < tcoords.length ; i++) {
				    tcoords[i].x = data[ i*2+0 ];
				    tcoords[i].y = data[ i*2+1 ];
				}
				((GeometryArray)node).setTexCoordRef2f( set, tcoords );
			    }
			    break;
			    case FORMAT_3F: {
				float[] data = readFloatArray( in );
				TexCoord3f[] tcoords = new TexCoord3f[ data.length/3 ];
				for (int i = 0 ; i < tcoords.length ; i++) {
				    tcoords[i].x = data[ i*3+0 ];
				    tcoords[i].y = data[ i*3+1 ];
				    tcoords[i].z = data[ i*3+2 ];
				}
				((GeometryArray)node).setTexCoordRef3f( set, tcoords );
			    }
			    break;
			    case FORMAT_FLOAT:
				float[] tcoords = readFloatArray( in );
				((GeometryArray)node).setTexCoordRefFloat( set, tcoords );
			    break;
			    }
			}
		    }
		} else {
		    // Not by-reference
		    for(int set=0; set<texCoordSetCount; set++) {
			float[] textureCoords = readFloatArray( in );
			((GeometryArray)node).setTextureCoordinates( set, 0, textureCoords );
		    }
		}
	    }
	}
    }

    protected void writeConstructorParams( DataOutput out ) throws
								IOException {
	vertexCount = ((GeometryArray)node).getVertexCount();
	vertexFormat = ((GeometryArray)node).getVertexFormat();
        texCoordSetCount = ((GeometryArray)node).getTexCoordSetCount();
        texCoordSetMap = new int[ ((GeometryArray)node).getTexCoordSetMapLength() ];
        
        ((GeometryArray)node).getTexCoordSetMap( texCoordSetMap );
        
	out.writeInt(vertexCount);
	out.writeInt(vertexFormat);
        out.writeInt( texCoordSetCount );
        out.writeInt( texCoordSetMap.length );
        for(int i=0; i<texCoordSetMap.length; i++)
            out.writeInt( texCoordSetMap[i] );
        super.writeConstructorParams( out );
    }

    protected void readConstructorParams( DataInput in ) throws
							IOException {
       // Load VertexCount and format first beause
       // SceneGraphObjectState will call createNode which
       // requires them
       vertexCount = in.readInt();
       vertexFormat = in.readInt();
       texCoordSetCount = in.readInt();
       texCoordSetMap = new int[in.readInt()];
       for(int i=0; i<texCoordSetMap.length; i++)
           texCoordSetMap[i] = in.readInt();
       
       super.readConstructorParams( in );
    }
    
    protected void writeDoubleArray( DataOutput out, double[] array ) throws IOException {

        // Writing the array into a ByteArray in memory and then dumping
        // the byte array to DataOutput with a single call is MUCH quicker
        // than writing each double to DataOutput.
        
        ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
        DataOutputStream dataOut = new DataOutputStream( byteStream );

        dataOut.writeInt( array.length );
        for(int i=0; i<array.length; i++)
            dataOut.writeDouble( array[i] );
        dataOut.close();
        
        out.writeInt( byteStream.size() );
        out.write( byteStream.toByteArray() );
    }
    
    protected double[] readDoubleArray( DataInput in ) throws IOException {
        byte[] buffer = new byte[ in.readInt() ];
        in.readFully( buffer );
        ByteArrayInputStream byteStream = new ByteArrayInputStream( buffer );
        DataInputStream dataIn = new DataInputStream( byteStream );
        
        double[] array = new double[ dataIn.readInt() ];
        for(int i=0; i<array.length; i++)
            array[i] = dataIn.readDouble();
        
        dataIn.close();
        
        return array;
    }
    
    protected void writeFloatArray( DataOutput out, float[] array ) throws IOException {

        // Writing the array into a ByteArray in memory and then dumping
        // the byte array to DataOutput with a single call is MUCH quicker
        // than writing each float to DataOutput.
        
        ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
        DataOutputStream dataOut = new DataOutputStream( byteStream );

        dataOut.writeInt( array.length );
        for(int i=0; i<array.length; i++)
            dataOut.writeFloat( array[i] );
        dataOut.close();
        
        out.writeInt( byteStream.size() );
        out.write( byteStream.toByteArray() );
    }
    
    protected float[] readFloatArray( DataInput in ) throws IOException {
        byte[] buffer = new byte[ in.readInt() ];
        in.readFully( buffer );
        ByteArrayInputStream byteStream = new ByteArrayInputStream( buffer );
        DataInputStream dataIn = new DataInputStream( byteStream );
        
        float[] array = new float[ dataIn.readInt() ];
        for(int i=0; i<array.length; i++)
            array[i] = dataIn.readFloat();
        
        dataIn.close();
        
        return array;
    }
}