public bool AddBehaviour(IEntityBehaviour behaviour)
{
// Get collision modes of the attachment
List <EntityAttachmentCollisionMode> collisionModes = behaviour.GetAttachmentCollisionModes();
// Initialize collision booleans
bool collidesWithSelf = collisionModes.Contains(EntityAttachmentCollisionMode.Self),
collidesWithInherited = collisionModes.Contains(EntityAttachmentCollisionMode.Inherited);
Type t = behaviour.GetType();
// Check if the new attachment collides with any existing attachments
if (collidesWithSelf && _typedBehaviours.GetValueOrDefault(t, new List <IEntityBehaviour> ()).Count > 0)
{
return(false);
}
if (collidesWithInherited && _inheritedTypedBehaviours.GetValueOrDefault(t, new List <IEntityBehaviour> ()).Count > 0)
{
return(false);
}
// Remove from previous entity
IEntity previous = behaviour.GetPossessingEntity();
previous.RemoveBehaviour(behaviour);
// Add and initialize
_behaviours.Add(behaviour);
_typedBehaviours.Initialize(t, new List <IEntityBehaviour> ());
_typedBehaviours[t].Add(behaviour);
Type cur = t;
while (cur.BaseType != null)
{
cur = cur.BaseType;
_inheritedTypedBehaviours.Initialize(cur, new List <IEntityBehaviour> ());
_inheritedTypedBehaviours[cur].Add(behaviour);
}
behaviour.AttachTo(this);
return(true);
}
public bool RemoveBehaviour(IEntityBehaviour behaviour)
{
if (!_behaviours.Contains(behaviour))
{
return(false);
}
_behaviours.Remove(behaviour);
Type t = behaviour.GetType();
_typedBehaviours.Initialize(t, new List <IEntityBehaviour> ());
_typedBehaviours[t].Remove(behaviour);
while (t.BaseType != null)
{
t = t.BaseType;
_inheritedTypedBehaviours.Initialize(t, new List <IEntityBehaviour> ());
_inheritedTypedBehaviours[t].Remove(behaviour);
}
return(true);
}
