/// <summary>
/// Initializes a new instance of the <see cref="LudumEngine.Entity"/> class from a
/// entity blueprint and assigns it to a scene.
/// </summary>
/// <param name="blueprint">A blueprint to instantiate from.</param>
/// <param name="scene">A scene to add the entity to.</param>
internal Entity(EntityBlueprint blueprint, Scene scene)
{
this.Scene = scene;
_componentCollection = new ComponentCollection(blueprint.ComponentCollection);
foreach (Component component in _componentCollection.GetAllComponents())
{
component.Entity = this;
component.Reset();
component.Initialize();
}
}
/// <summary>
/// Delete all components in this entity.
/// </summary>
internal void Delete()
{
// Get all current components
var allComponents = ComponentCollection.GetAllComponents();
// Remove all component references
ComponentCollection = new ComponentCollection();
// Make sure all components destroy themselfs
foreach (Component component in allComponents)
{
component.Delete();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="LudumEngine.ComponentCollection"/> class
/// as a copy of another collection.
/// </summary>
/// <param name="parent">the collection to copy.</param>
internal ComponentCollection(ComponentCollection parent)
{
_components = parent.CloneDictionary();
}
/// <summary>
/// Initializes a new instance of the <see cref="LudumEngine.EntityBlueprint"/> class as
/// a copy of another blueprint.
/// </summary>
/// <param name="parent">The blueprint to copy.</param>
internal EntityBlueprint(EntityBlueprint parent)
{
this.ComponentCollection = new ComponentCollection(parent.ComponentCollection);
}
/// <summary>
/// Initializes a new instance of the <see cref="LudumEngine.EntityBlueprint"/> class.
/// </summary>
internal EntityBlueprint()
{
this.ComponentCollection = new ComponentCollection();
}