/**
* 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.render.jsr231;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import javax.media.opengl.GL;
import javax.media.opengl.glu.GLU;
import javax.media.opengl.glu.GLUquadric;
import org.openmali.spatial.bounds.BoundingBox;
import org.openmali.spatial.bounds.BoundingSphere;
import org.openmali.spatial.bounds.Bounds;
import org.openmali.spatial.bounds.BoundsType;
import org.openmali.vecmath2.Colorf;
import org.openmali.vecmath2.Matrix4f;
import org.openmali.vecmath2.Tuple3f;
import org.xith3d.render.OpenGLCapabilities;
import org.xith3d.render.OpenGLStatesCache;
import org.xith3d.render.RenderAtomPeer;
import org.xith3d.render.RenderOptions;
import org.xith3d.render.RenderPeer;
import org.xith3d.render.RenderPeer.RenderMode;
import org.xith3d.render.preprocessing.RenderAtom;
import org.xith3d.scenegraph.Transform3D;
import org.xith3d.scenegraph.TransformGroup;
import org.xith3d.scenegraph.View;
import com.sun.opengl.util.BufferUtil;
/**
* The Bounds Atom peer (renders bounds around atom nodes)
*
* @author Lilian Chamontin [jsr231 port]
* @author Marvin Froehlich (aka Qudus)
*/
public class BoundsAtomPeer extends RenderAtomPeer
{
private static final Matrix4f TEMP_MAT = new Matrix4f();
private static final Colorf boundsColor_Shape = new Colorf( 1.0f, 0.0f, 0.0f, 0.0f );
private static final Colorf boundsColor_Group = new Colorf( 0.0f, 1.0f, 0.0f, 0.0f );
private static BoundingSphere boundingSphere = new BoundingSphere();
private static BoundingBox boundingBox = new BoundingBox();
private static GLUquadric boundsQuadric = null;
private static final IntBuffer tmpIntBuffer = BufferUtil.newIntBuffer( 1 );
private static FloatBuffer colorBuffer = BufferUtil.newFloatBuffer( 4 );
/**
* Draws bounds around shapes as a debugging aid
*
* @param bounds
*/
protected static final int drawBounds( GL gl, Bounds bounds, Colorf color, OpenGLStatesCache statesCache )
{
final GLU glu = GLUSingleton.instance();
switch ( bounds.getType() )
{
case SPHERE:
{
if ( boundsQuadric == null )
{
boundsQuadric = glu.gluNewQuadric();
glu.gluQuadricDrawStyle( boundsQuadric, GLU.GLU_LINE );
}
//gl.glPushMatrix();
//gl.glLoadIdentity();
if ( !statesCache.enabled || statesCache.blendingEnabled )
gl.glDisable( GL.GL_BLEND );
statesCache.blendingEnabled = false;
if ( !statesCache.enabled || statesCache.alphaTestEnabled )
gl.glDisable( GL.GL_ALPHA_TEST );
statesCache.alphaTestEnabled = false;
colorBuffer.rewind();
gl.glGetFloatv( GL.GL_CURRENT_COLOR, colorBuffer );
if ( color == null )
gl.glColor4f( boundsColor_Group.getRed(), boundsColor_Group.getGreen(), boundsColor_Group.getBlue(), boundsColor_Group.getAlpha() );
else
gl.glColor4f( color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha() );
BoundingSphere s = (BoundingSphere)bounds;
gl.glTranslatef( s.getCenterX(), s.getCenterY(), s.getCenterZ() );
glu.gluSphere( boundsQuadric, s.getRadius(), 12, 12 );
gl.glTranslatef( -s.getCenterX(), -s.getCenterY(), -s.getCenterZ() );
gl.glColor4fv( colorBuffer );
if ( !statesCache.enabled || statesCache.blendingEnabled )
gl.glEnable( GL.GL_BLEND );
if ( !statesCache.enabled || statesCache.alphaTestEnabled )
gl.glEnable( GL.GL_ALPHA_TEST );
//gl.glPopMatrix();
return ( 0 ); // (actually this is not 0, but it's nto important.)
}
case AABB:
{
if ( !statesCache.enabled || statesCache.alphaTestEnabled )
gl.glDisable( GL.GL_ALPHA_TEST );
statesCache.alphaTestEnabled = false;
colorBuffer.rewind();
gl.glGetFloatv( GL.GL_CURRENT_COLOR, colorBuffer );
gl.glBlendFunc( GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA );
if ( color == null )
gl.glColor4f( boundsColor_Group.getRed(), boundsColor_Group.getGreen(), boundsColor_Group.getBlue(), 0.05f );
else
gl.glColor4f( color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha() );
BoundingBox b = (BoundingBox)bounds;
final Tuple3f l = b.getLower();
final Tuple3f u = b.getUpper();
final float size = Math.max( Math.max( u.getX() - l.getX(), u.getY() - l.getY() ), u.getZ() - l.getZ() );
final float tx = l.getX() + ( size / 2.0f );
final float ty = l.getY() + ( size / 2.0f );
final float tz = l.getZ() + ( size / 2.0f );
gl.glTranslatef( tx, ty, tz );
gl.glDepthMask( false );
gl.glColor4f( boundsColor_Group.getRed(), boundsColor_Group.getGreen(), boundsColor_Group.getBlue(), 0.1f );
gl.glEnable( GL.GL_BLEND );
GLUSingleton.getGLUT().glutSolidCube( size );
gl.glDepthMask( true );
tmpIntBuffer.clear();
gl.glGetIntegerv( GL.GL_LINE_WIDTH, tmpIntBuffer );
final int LINE_WIDTH = tmpIntBuffer.get();
gl.glColor4f( 1.0f, 0.0f, 0.0f, 0.0f );
gl.glLineWidth( 3f );
gl.glDisable( GL.GL_BLEND );
GLUSingleton.getGLUT().glutWireCube( size );
gl.glLineWidth( LINE_WIDTH );
gl.glTranslatef( -tx, -ty, -tz );
gl.glColor4fv( colorBuffer );
if ( !statesCache.enabled || statesCache.blendingEnabled )
gl.glEnable( GL.GL_BLEND );
else
gl.glDisable( GL.GL_BLEND );
if ( !statesCache.enabled || statesCache.alphaTestEnabled )
gl.glEnable( GL.GL_ALPHA_TEST );
else
gl.glDisable( GL.GL_ALPHA_TEST );
gl.glDepthMask( statesCache.depthWriteMask );
return ( 0 ); // (actually this is not 0, but it's not important.)
}
}
return ( 0 ); // (actually this is not 0, but it's not important.)
}
/**
* {@inheritDoc}
*/
@Override
public int renderAtom( RenderAtom< ? > atom, Object glObj, RenderPeer renderPeer, OpenGLCapabilities glCaps, View view, RenderOptions options, long nanoTime, long nanoStep, RenderMode renderMode, long frameId )
{
if ( renderMode != RenderMode.NORMAL )
return ( 0 );
final GL gl = (GL)glObj;
final OpenGLStatesCache statesCache = renderPeer.getStatesCache();
// disable color-material
if ( !statesCache.enabled || statesCache.colorMaterialEnabled )
{
gl.glDisable( GL.GL_COLOR_MATERIAL );
statesCache.colorMaterialEnabled = false;
}
// disable lighting
if ( !statesCache.enabled || statesCache.lightingEnabled )
{
gl.glDisable( GL.GL_LIGHTING );
statesCache.lightingEnabled = false;
}
ShapeAtomPeer.setMatrix( gl, view, Transform3D.IDENTITY,//atom.getTransform().getMatrix4f(),
false, true );
Bounds bounds;
if ( atom.getNode().getBounds().getType() == BoundsType.AABB )
bounds = boundingBox;
else
bounds = boundingSphere;
bounds.set( atom.getNode().getBounds() );
bounds.transform( atom.getNode().getWorldTransform().getMatrix4f() );
if ( atom.getNode() instanceof TransformGroup )
{
TEMP_MAT.set( ( (TransformGroup)atom.getNode() ).getTransform().getMatrix4f() );
TEMP_MAT.invert();
bounds.transform( TEMP_MAT );
}
return ( drawBounds( gl, bounds, boundsColor_Shape, statesCache ) );
}
}