Syntriax.Engine/Engine.Core/Abstract/Assignable/IHierarchyObject.cs

65 lines
2.9 KiB
C#

namespace Syntriax.Engine.Core.Abstract;
/// <summary>
/// Represents an <see cref="IEntity"/> that can enter and exit a hierarchy within the <see cref="IGameManager"/> system.
/// This interface allows for tracking the object's presence in the hierarchy and provides events
/// for notifying when the see enters or exits the hierarchy.
/// </summary>
public interface IHierarchyObject : IEntity, INameable
{
/// <summary>
/// Event triggered when the <see cref="IEntity"/> enters the hierarchy.
/// </summary>
event OnEnteredHierarchyDelegate? OnEnteredHierarchy;
/// <summary>
/// Event triggered when the <see cref="IEntity"/> exits the hierarchy.
/// </summary>
event OnExitedHierarchyDelegate? OnExitedHierarchy;
/// <summary>
/// Gets the <see cref="IGameManager"/> associated with this <see cref="IEntity"/> , if any.
/// </summary>
IGameManager? GameManager { get; }
/// <summary>
/// Indicates whether the <see cref="IEntity"/> is currently in the hierarchy.
/// </summary>
bool IsInHierarchy { get; }
/// <summary>
/// Internal method to handle entering the hierarchy.
/// This should be called by the system to properly manage hierarchy states.
/// </summary>
/// <param name="gameManager">The game manager that is managing this hierarchy.</param>
/// <returns>
/// <see cref="true"/> if the <see cref="IEntity"/> successfully entered the hierarchy;
/// <see cref="false"/> if it failed to do so.
/// </returns>
internal bool EnterHierarchy(IGameManager gameManager);
/// <summary>
/// Internal method to handle exiting the hierarchy.
/// This should be called by the system to properly manage hierarchy states.
/// </summary>
/// <returns>
/// <see cref="true"/> if the <see cref="IEntity"/> successfully exited the hierarchy;
/// <see cref="false"/> if it failed to do so.
/// </returns>
internal bool ExitHierarchy();
/// <summary>
/// Delegate type for the event triggered when the <see cref="IEntity"/> enters the hierarchy of a <see cref="IGameManager">.
/// </summary>
/// <param name="sender">The <see cref="IEntity"/> that entered the hierarchy.</param>
/// <param name="gameManager">The <see cref="IGameManager"/> that the <see cref="IEntity"/> has entered it's hierarchy.</param>
delegate void OnEnteredHierarchyDelegate(IHierarchyObject sender, IGameManager gameManager);
/// <summary>
/// Delegate type for the event triggered when the <see cref="IEntity"/> exits the hierarchy of a <see cref="IGameManager">.
/// </summary>
/// <param name="sender">The <see cref="IEntity"/> that exited the hierarchy.</param>
/// <param name="gameManager">The <see cref="IGameManager"/> that the <see cref="IEntity"/> has exited it's hierarchy.</param>
delegate void OnExitedHierarchyDelegate(IHierarchyObject sender, IGameManager gameManager);
}