protected virtual bool OnContactBegin(CContactBeginEventArgs pEventArgs)
{
if (m_ContactBegin != null)
{
m_ContactBegin(this, pEventArgs);
}
return(pEventArgs.AllowCollision);
}
private void ContactBegin(object sender, Game.Newt.v1.NewtonDynamics1.Api.CContactBeginEventArgs e)
{
#region Get Keys
// Get the entry for this material pair
string key = GetMaterialComboHash(e.Body0.MaterialGroupID, e.Body1.MaterialGroupID);
if (!_collisionListeners.ContainsKey(key))
{
throw new ApplicationException("There is no listener for this material pair, but how did this callback get set up???: " + key);
}
// Just to complicate things, the contact process callback doesn't give me bodies, and e.Material is different, so I have store the key,
// and trust everything is called in order
_currentCollidingKey = key;
#endregion
// Reset for this current collision between these two bodies
CollisionEventProps eventProps = _collisionListeners[key];
eventProps.CollisionBody1 = e.Body0.UserData;
eventProps.CollisionBody2 = e.Body1.UserData;
eventProps.Material1 = _materials[e.Body0.MaterialGroupID];
eventProps.Material2 = _materials[e.Body1.MaterialGroupID];
eventProps.HasRaisedContactEvent = false;
eventProps.HasContactCancelled = false;
if (eventProps.CollisionStart != null)
{
// Raise an event to the outside
CollisionStartEventArgs args = new CollisionStartEventArgs();
args.Body1 = e.Body0.UserData;
args.Body2 = e.Body1.UserData;
eventProps.CollisionStart(this, args);
// Tell the caller what the user decided
e.AllowCollision = args.AllowCollision;
// This shouldn't matter, because the ContactProcess shouldn't be called if they cancelled, but I'm just being safe
if (!args.AllowCollision)
{
eventProps.HasContactCancelled = true;
}
}
}
protected virtual bool OnContactBegin(CContactBeginEventArgs pEventArgs)
{
if (m_ContactBegin != null)
{
m_ContactBegin(this, pEventArgs);
}
return pEventArgs.AllowCollision;
}