// TODO: Now that we have StartCollide and EndCollide this should just use that to track bodies intersecting.
private void Update(SlipperyComponent component)
{
if (!component.Slippery)
{
return;
}
if (!ComponentManager.TryGetComponent(component.Owner.Uid, out PhysicsComponent? body))
{
component.Colliding.Clear();
return;
}
foreach (var uid in component.Colliding.ToArray())
{
if (!uid.IsValid() || !EntityManager.TryGetEntity(uid, out var entity))
{
component.Colliding.Remove(uid);
component.Slipped.Remove(uid);
component.Dirty();
continue;
}
if (!entity.TryGetComponent(out PhysicsComponent? otherPhysics) ||
!body.GetWorldAABB().Intersects(otherPhysics.GetWorldAABB()))
{
component.Colliding.Remove(uid);
component.Slipped.Remove(uid);
component.Dirty();
continue;
}
if (!component.Slipped.Contains(uid))
{
TrySlip(component, body, otherPhysics);
}
}
}
private bool TrySlip(SlipperyComponent component, IPhysBody ourBody, IPhysBody otherBody)
{
if (!component.Slippery ||
component.Owner.IsInContainer() ||
component.Slipped.Contains(otherBody.Owner.Uid) ||
!otherBody.Owner.TryGetComponent(out SharedStunnableComponent? stun))
{
return(false);
}
if (otherBody.LinearVelocity.Length < component.RequiredSlipSpeed || stun.KnockedDown)
{
return(false);
}
var percentage = otherBody.GetWorldAABB().IntersectPercentage(ourBody.GetWorldAABB());
if (percentage < component.IntersectPercentage)
{
return(false);
}
if (!EffectBlockerSystem.CanSlip(otherBody.Owner))
{
return(false);
}
otherBody.LinearVelocity *= component.LaunchForwardsMultiplier;
stun.Paralyze(5);
component.Slipped.Add(otherBody.Owner.Uid);
component.Dirty();
PlaySound(component);
return(true);
}
