/**
* Copyright (c) 2003-2009, Xith3D Project Group all rights reserved.
*
* Portions based on the Java3D interface, Copyright by Sun Microsystems.
* Many thanks to the developers of Java3D and Sun Microsystems for their
* innovation and design.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the 'Xith3D Project Group' nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) A
* RISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE
*/
package org.xith3d.effects.bumpmapping;
import java.io.IOException;
import java.net.URL;
import org.xith3d.loaders.shaders.impl.assembly.AssemblyShaderLoader;
import org.xith3d.scenegraph.Appearance;
import org.xith3d.scenegraph.AssemblyFragmentShader;
import org.xith3d.scenegraph.AssemblyShaderProgramContext;
import org.xith3d.scenegraph.AssemblyShaderProgram;
import org.xith3d.scenegraph.AssemblyVertexShader;
import org.xith3d.scenegraph.Shape3D;
import org.xith3d.scenegraph.Texture;
import org.xith3d.scenegraph.Geometry.Optimization;
import org.xith3d.utility.geometry.TangentsFactory.TangentsStoreMode;
/**
* The BumpmappingFactory is capable of preparing a Shape3D for Bumpmapping.
* the underlying methods to calculate tangets/bitangets and to load the
* appropriate shaders are also public to use them for different perposes.
*
* @author Marvin Froehlich (aka Qudus)
*/
public class AssemblyBumpMappingFactory extends BumpMappingFactory
{
private static AssemblyVertexShader vertexProgram = null;
private static AssemblyFragmentShader fragmentProgram = null;
/**
* @return the (cached) VertexProgram that calculates bumpmapping.
*
* @throws IOException
*/
public AssemblyVertexShader getVertexProgram() throws IOException
{
if ( vertexProgram != null )
return ( vertexProgram );
final ClassLoader loader = AssemblyBumpMappingFactory.class.getClassLoader();
URL url = loader.getResource( "resources/org/xith3d/shaders/bumpmapping/shader.bumpmapping.assemblyvert" );
vertexProgram = AssemblyShaderLoader.getInstance().loadVertexShader( url );
return ( vertexProgram );
}
/**
* @return the (cached) FragmentProgram that calculates bumpmapping.
*
* @throws IOException
*/
public AssemblyFragmentShader getFragmentProgram() throws IOException
{
if ( fragmentProgram != null )
return ( fragmentProgram );
final ClassLoader loader = AssemblyBumpMappingFactory.class.getClassLoader();
URL url = loader.getResource( "resources/org/xith3d/shaders/bumpmapping/shader.bumpmapping.assemblyfrag" );
fragmentProgram = AssemblyShaderLoader.getInstance().loadFragmentShader( url );
return ( fragmentProgram );
}
/**
* {@inheritDoc}
*/
@Override
public void prepareForBumpMapping( Shape3D shape, Texture normalMapTex ) throws IOException
{
//((GeometryArray)shape.getGeometry()).calculateFaceNormals();
getTangentsFactory().calculateTangents( shape.getGeometry(), getTangentsStoreMode(), getStoreIndex1(), getStoreIndex2() );
if ( getTangentsStoreMode() == TangentsStoreMode.VERTEX_ATTRIBUTES )
{
if ( shape.getGeometry().getOptimization() == Optimization.USE_DISPLAY_LISTS )
{
// DisplayLists don't currently support vertex attributes!
shape.getGeometry().setOptimization( Optimization.USE_VBOS );
}
}
Appearance app = shape.getAppearance( true );
app.setTexture( getNormalMapTextureUnit(), normalMapTex );
app.setShaderProgramContext( new AssemblyShaderProgramContext( new AssemblyShaderProgram( getVertexProgram(), getFragmentProgram() ) ) );
}
public AssemblyBumpMappingFactory()
{
setTangentsStoreMode( TangentsStoreMode.TEXTURE_COORDINATES );
}
}