/**
* 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.physics.collision;
import java.util.ArrayList;
import java.util.List;
import org.xith3d.physics.simulation.Body;
import org.xith3d.physics.simulation.SimulationWorld;
import org.xith3d.physics.simulation.SurfaceParameters;
/**
* The {@link CollisionResolver} checks for collisions and forwards them to
* the {@link SimulationWorld} to resolve them.
*
* @author Amos Wenger (aka BlueSky)
* @author Marvin Froehlich (aka Qudus)
*/
public class CollisionResolver implements CollisionListener
{
private final ArrayList<Collideable> list1;
private final ArrayList<Collideable> list2;
private boolean ignoreStatic = true;
private CollisionResolversManager manager = null;
public final void setIgnoreStaticCollisions( boolean ignoreStatic )
{
this.ignoreStatic = ignoreStatic;
}
public final boolean getIgnoreStatic()
{
return ( ignoreStatic );
}
/**
* {@inheritDoc}
*/
public void onCollision( Collision collision )
{
boolean consumed = false;
final Body body1 = collision.getCollideable1().getBody();
final Body body2 = collision.getCollideable2().getBody();
final SimulationWorld simWorld;
if ( body1 != null )
simWorld = body1.getWorld();
else if ( body2 != null )
simWorld = body2.getWorld();
else
simWorld = null;
final ArrayList< CollisionResolveListener > listeners = manager.getCollisionResolveListeners();
final SurfaceParameters defaultSurfaceParameters = manager.getDefaultSurfaceParameters();
for ( int l = 0; l < listeners.size(); l++ )
{
final CollisionResolveListener listener = listeners.get( l );
if ( listener.onCollisionToResolve( collision, defaultSurfaceParameters, simWorld, consumed ) )
{
consumed = true;
}
}
if ( !consumed && ( simWorld != null ) )
{
simWorld.resolveCollision( collision, body1, body2, defaultSurfaceParameters );
}
}
public void update()
{
final CollisionEngine collisionEngine = manager.getCollisionEngine();
for ( int i = 0; i < list1.size(); i++ )
{
final Collideable collideable1 = list1.get( i );
if ( list2 == null )
{
collisionEngine.checkCollisions( (CollideableGroup)collideable1, ignoreStatic, this );
}
else
{
for ( int j = 0; j < list2.size(); j++ )
{
final Collideable collideable2 = list2.get( j );
collisionEngine.checkCollisions( collideable1, collideable2, ignoreStatic, this );
}
}
}
}
protected void setManager( CollisionResolversManager manager )
{
this.manager = manager;
}
private static final void list2List( Body source, List< Collideable > target )
{
final int n = source.getCollideablesCount();
for ( int j = 0; j < n; j++ )
{
target.add( source.getCollideable( j ) );
}
}
private static final void list2List( Body[] source, List< Collideable > target )
{
for ( int i = 0; i < source.length; i++ )
{
final int n = source[i].getCollideablesCount();
for ( int j = 0; j < n; j++ )
{
target.add( source[i].getCollideable( j ) );
}
}
}
private static final void list2List( List< Body > source, List< Collideable > target )
{
for ( int i = 0; i < source.size(); i++ )
{
final int n = source.get( i ).getCollideablesCount();
for ( int j = 0; j < n; j++ )
{
target.add( source.get( i ).getCollideable( j ) );
}
}
}
/**
* Creates a new {@link CollisionResolver}.
*
* @param body1 the first Body
* @param body2 the second Body
*/
public CollisionResolver( Body body1, Body body2 )
{
if ( ( body1 == null ) || ( body2 == null ) )
throw new IllegalArgumentException( "None of the parameters must be null" );
if ( ( body1.getCollideablesCount() == 0 ) || ( body2.getCollideablesCount() == 0 ) )
throw new IllegalArgumentException( "No Collideables attached to one of the Bodies." );
this.list1 = new ArrayList< Collideable >( body1.getCollideablesCount() );
this.list2 = new ArrayList< Collideable >( body2.getCollideablesCount() );
list2List( body1, list1 );
list2List( body2, list2 );
}
/**
* Creates a new {@link CollisionResolver}.
*
* @param body1 the first Body
* @param bodies2 the List of Bodies
*/
public CollisionResolver( Body body1, List< Body > bodies2 )
{
if ( ( body1 == null ) || ( bodies2 == null ) )
throw new IllegalArgumentException( "None of the parameters must be null" );
if ( ( body1.getCollideablesCount() == 0 ) || ( bodies2.size() == 0 ) )
throw new IllegalArgumentException( "No Collideables attached to one of the Bodies." );
this.list1 = new ArrayList< Collideable >( body1.getCollideablesCount() );
int count = 0;
for ( int i = 0; i < bodies2.size(); i++ )
{
count += bodies2.get( i ).getCollideablesCount();
}
this.list2 = new ArrayList< Collideable >( count );
list2List( body1, list1 );
list2List( bodies2, list2 );
}
/**
* Creates a new {@link CollisionResolver}.
*
* @param body1 the first Body
* @param bodies2 the List of Bodies
*/
public CollisionResolver( Body body1, Body[] bodies2 )
{
if ( ( body1 == null ) || ( bodies2 == null ) )
throw new IllegalArgumentException( "None of the parameters must be null" );
if ( ( body1.getCollideablesCount() == 0 ) || ( bodies2.length == 0 ) )
throw new IllegalArgumentException( "No Collideables attached to one of the Bodies." );
this.list1 = new ArrayList< Collideable >( body1.getCollideablesCount() );
int count = 0;
for ( int i = 0; i < bodies2.length; i++ )
{
count += bodies2[ i ].getCollideablesCount();
}
this.list2 = new ArrayList< Collideable >( count );
list2List( body1, list1 );
list2List( bodies2, list2 );
}
/**
* Creates a new {@link CollisionResolver}.
*
* @param bodies1 the first List of Bodies
* @param bodies2 the second List of Bodies
*/
public CollisionResolver( List< Body > bodies1, List< Body > bodies2 )
{
if ( ( bodies1 == null ) || ( bodies2 == null ) )
throw new IllegalArgumentException( "None of the parameters must be null" );
if ( ( bodies1.size() == 0 ) || ( bodies2.size() == 0 ) )
throw new IllegalArgumentException( "No Collideables attached to one of the Bodies." );
int count = 0;
for ( int i = 0; i < bodies1.size(); i++ )
{
count += bodies1.get( i ).getCollideablesCount();
}
this.list1 = new ArrayList< Collideable >( count );
count = 0;
for ( int i = 0; i < bodies2.size(); i++ )
{
count += bodies2.get( i ).getCollideablesCount();
}
this.list2 = new ArrayList< Collideable >( count );
list2List( bodies1, list1 );
list2List( bodies2, list2 );
}
/**
* Creates a new {@link CollisionResolver}.
*
* @param bodies1 the first List of Bodies
* @param bodies2 the second List of Bodies
*/
public CollisionResolver( Body[] bodies1, Body[] bodies2 )
{
if ( ( bodies1 == null ) || ( bodies2 == null ) )
throw new IllegalArgumentException( "None of the parameters must be null" );
if ( ( bodies1.length == 0 ) || ( bodies2.length == 0 ) )
throw new IllegalArgumentException( "No Collideables attached to one of the Bodies." );
int count = 0;
for ( int i = 0; i < bodies1.length; i++ )
{
count += bodies1[ i ].getCollideablesCount();
}
this.list1 = new ArrayList< Collideable >( count );
count = 0;
for ( int i = 0; i < bodies2.length; i++ )
{
count += bodies2[ i ].getCollideablesCount();
}
this.list2 = new ArrayList< Collideable >( count );
list2List( bodies1, list1 );
list2List( bodies2, list2 );
}
/**
* Creates a new {@link CollisionResolver}.
*
* @param body1 the first Body
* @param collideable2 the second Collideable
*/
public CollisionResolver( Body body1, Collideable collideable2 )
{
if ( ( body1 == null ) || ( collideable2 == null ) )
throw new IllegalArgumentException( "None of the parameters must be null" );
if ( body1.getCollideablesCount() == 0 )
throw new IllegalArgumentException( "No Collideables attached to the Body." );
this.list1 = new ArrayList< Collideable >( body1.getCollideablesCount() );
this.list2 = new ArrayList< Collideable >( 1 );
list2List( body1, list1 );
list2.add( collideable2 );
}
/**
* Creates a new {@link CollisionResolver}.
*
* @param collideable1 the first Collideable
* @param collideable2 the second Collideable
*/
public CollisionResolver( Collideable collideable1, Collideable collideable2 )
{
if ( ( collideable1 == null ) || ( collideable2 == null ) )
throw new IllegalArgumentException( "None of the parameters must be null" );
this.list1 = new ArrayList< Collideable >( 1 );
this.list2 = new ArrayList< Collideable >( 1 );
list1.add( collideable1 );
list2.add( collideable2 );
}
/**
* Creates a new collision match.
*
* @param collideableGroup the {@link CollideableGroup}
*/
public CollisionResolver( CollideableGroup collideableGroup )
{
if ( collideableGroup == null )
throw new IllegalArgumentException( "None of the parameters must be null" );
this.list1 = new ArrayList< Collideable >( 1 );
this.list2 = null;
list1.add( collideableGroup );
}
}