/// <summary>
/// Creates a <see cref="Constraint"/> object with an Component QueryConstraint.
/// </summary>
/// <typeparam name="T">
/// Type of the component to constrain.
/// </typeparam>
/// <returns>
/// A <see cref="Constraint"/> object.
/// </returns>
public static Constraint Component <T>() where T : ISpatialComponentData
{
var constraint = Default();
constraint.ComponentConstraint = ComponentDatabase.GetComponentId <T>();
return(new Constraint(constraint));
}
private void UpdateComponentSet()
{
using (var components = world.EntityManager.GetComponentTypes(selected.Value.Entity, allocator: Allocator.Temp))
{
var spatialComponents = components
.Where(type => typeof(ISpatialComponentData).IsAssignableFrom(type.GetManagedType()))
.OrderBy(type => ComponentDatabase.GetComponentId(type.GetManagedType()));
if (AreSameComponents(spatialComponents, visualElements))
{
return;
}
componentContainer.Clear();
visualElements.Clear();
foreach (var componentType in spatialComponents)
{
var componentElement = Cache.Get(componentType);
componentContainer.Add(componentElement);
visualElements.Add(componentElement);
}
}
}
/// <summary>
/// Clears all InterestQueries for a given authoritative component.
/// </summary>
/// <typeparam name="T">
/// Type of the authoritative component to clear InterestQueries from.
/// </typeparam>
/// <returns>
/// An <see cref="InterestTemplate"/> object.
/// </returns>
public InterestTemplate ClearQueries <T>()
where T : ISpatialComponentData
{
return(ClearQueries(ComponentDatabase.GetComponentId <T>()));
}
/// <summary>
/// Replaces a component's InterestQueries in the Interest component.
/// </summary>
/// <param name="interestQueries">
/// Set of InterestQueries to add for a given authoritative component.
/// </param>
/// <typeparam name="T">
/// Type of the authoritative component to replace InterestQueries of.
/// </typeparam>
/// <remarks>
/// At least one <see cref="InterestQuery"/> must be provided to replace a component's interest.
/// </remarks>
/// <returns>
/// An <see cref="InterestTemplate"/> object.
/// </returns>
public InterestTemplate ReplaceQueries <T>(IEnumerable <InterestQuery> interestQueries)
where T : ISpatialComponentData
{
return(ReplaceQueries(ComponentDatabase.GetComponentId <T>(), interestQueries));
}
/// <summary>
/// Replaces a component's InterestQueries in the Interest component.
/// </summary>
/// <param name="interestQuery">
/// First <see cref="InterestQuery"/> to add for a given authoritative component.
/// </param>
/// <param name="interestQueries">
/// Further InterestQueries to add for a given authoritative component.
/// </param>
/// <typeparam name="T">
/// Type of the authoritative component to replace InterestQueries of.
/// </typeparam>
/// <remarks>
/// At least one <see cref="InterestQuery"/> must be provided to replace a component's interest.
/// </remarks>
/// <returns>
/// An <see cref="InterestTemplate"/> object.
/// </returns>
public InterestTemplate ReplaceQueries <T>(InterestQuery interestQuery,
params InterestQuery[] interestQueries)
where T : ISpatialComponentData
{
return(ReplaceQueries(ComponentDatabase.GetComponentId <T>(), interestQuery, interestQueries));
}