private static DashCollision CreateDashCollisionHook(DashCollision orig, DashCollisionHook init = null)
{
orig ??= DashCollisionDefault;
var hooks = new List <DashCollisionHook>();
DashCollision handler = (Player player, Vector2 direction) => {
int i = 0;
DashCollisionResults Trampoline(DashCollision orig, Player player, Vector2 direction)
{
if (hooks.Count <= i)
{
return(orig(player, direction));
}
DashCollisionHook current = hooks[i++];
return(Trampoline((Player player, Vector2 direction) => current.Invoke(orig, player, direction), player, direction));
}
return(Trampoline(orig, player, direction));
};
DynamicData.For(handler).Add(DASHCOLLISIONHOOK_TAG, hooks);
if (init is not null)
{
hooks.Add(init);
}
return(handler);
}
/// <returns>Handler to be assigned to Platform.OnDashCollide</returns>
public static DashCollision ApplyDashCollisionHook(DashCollision orig, DashCollisionHook hook)
{
if (hook is null)
{
throw new ArgumentNullException("hook");
}
if (orig is not null && DynamicData.For(orig).TryGet(DASHCOLLISIONHOOK_TAG, out List <DashCollisionHook> hooks))
{
hooks.Add(hook);
return(orig);
}
