private Constraint GetOrFindConstraint(WheelLocation location, string postfix, Constraint[] cache)
{
if (cache[(int)location] == null)
{
cache[(int)location] = FindChild <Constraint>(location.ToString() + postfix);
}
return(cache[(int)location]);
}
private RigidBody GetOrFindWheel(WheelLocation location)
{
if (m_wheelBodies[(int)location] == null)
{
m_wheelBodies[(int)location] = FindChild <RigidBody>(location.ToString() + "Tire");
}
return(m_wheelBodies[(int)location]);
}
private TwoBodyTire GetOrCreateTireModel(WheelLocation location)
{
if (m_tireModels == null || m_tireModels.Length == 0)
{
m_tireModels = new TwoBodyTire[4] {
null, null, null, null
};
var tireModels = GetComponents <TwoBodyTire>();
if (tireModels.Length == 4)
{
foreach (WheelLocation wl in Enum.GetValues(typeof(WheelLocation)))
{
var trb = GetOrFindWheel(wl);
var rrb = FindChild <RigidBody>(wl.ToString() + "Rim");
m_tireModels[(int)wl] = tireModels.FirstOrDefault(tireModel => tireModel.TireRigidBody == trb &&
tireModel.RimRigidBody == rrb);
}
}
else if (tireModels.Length != 0)
{
Debug.LogWarning("Tire models mismatch: Got " + tireModels.Length + ", expecting 0 or 4.", this);
}
}
var iLocation = (int)location;
if (m_tireModels[iLocation] != null)
{
return(m_tireModels[iLocation]);
}
var tireRigidBody = GetOrFindWheel(location);
var rimRigidBody = FindChild <RigidBody>(location.ToString() + "Rim");
if (tireRigidBody == null || rimRigidBody == null)
{
return(null);
}
var locks = (from constraint in GetComponentsInChildren <Constraint>()
where constraint.Type == ConstraintType.LockJoint
select constraint).ToArray();
var tireLock = locks.FirstOrDefault(constraint => constraint.AttachmentPair.Match(tireRigidBody, rimRigidBody));
TwoBodyTire tire = gameObject.AddComponent <TwoBodyTire>();
tire.hideFlags = HideFlags.HideInInspector;
bool valid = false;
if (tireLock != null)
{
valid = tire.Configure(tireLock, tireRigidBody);
}
else
{
valid = tire.SetTire(tireRigidBody);
valid = valid && tire.SetRim(rimRigidBody);
}
if (!valid)
{
DestroyImmediate(tire);
return(null);
}
m_tireModels[iLocation] = tire;
return(tire);
}
