feat: IActive interface added for hierarchy active state

Engine.Core/Abstract/BaseEntity.cs

@@ -1,111 +0,0 @@
-using System;
-
-namespace Syntriax.Engine.Core.Abstract;
-
-public abstract class BaseEntity : IEntity
-{
-    public event IEntity.IdChangedEventHandler? OnIdChanged = null;
-
-    public event IInitializable.InitializedEventHandler? OnInitialized = null;
-    public event IInitializable.FinalizedEventHandler? OnFinalized = null;
-
-    public event IHasStateEnable.StateEnableAssignedEventHandler? OnStateEnableAssigned = null;
-    public event IAssignable.UnassignEventHandler? OnUnassigned = null;
-
-    private IStateEnable _stateEnable = null!;
-
-    private bool _initialized = false;
-    private string _id = string.Empty;
-
-    public virtual IStateEnable StateEnable => _stateEnable;
-
-    public virtual bool IsActive => StateEnable.Enabled;
-
-    public string Id
-    {
-        get => _id;
-        set
-        {
-            if (IsInitialized)
-                throw new($"Can't change {nameof(Id)} of {_id} because it's initialized");
-
-            if (value == _id)
-                return;
-
-            string previousId = _id;
-
-            _id = value;
-            OnIdChanged?.Invoke(this, previousId);
-        }
-    }
-
-    public bool IsInitialized
-    {
-        get => _initialized;
-        private set
-        {
-            if (value == _initialized)
-                return;
-
-            _initialized = value;
-            if (value)
-                OnInitialized?.Invoke(this);
-            else
-                OnFinalized?.Invoke(this);
-        }
-    }
-
-    public bool Assign(IStateEnable stateEnable)
-    {
-        if (IsInitialized)
-            return false;
-
-        _stateEnable = stateEnable;
-        _stateEnable.Assign(this);
-        OnStateEnableAssigned?.Invoke(this);
-        return true;
-    }
-
-    protected virtual void UnassignInternal() { }
-    public bool Unassign()
-    {
-        if (IsInitialized)
-            return false;
-
-        UnassignInternal();
-
-        _stateEnable = null!;
-        _stateEnable.Unassign();
-        OnUnassigned?.Invoke(this);
-        return true;
-    }
-
-    protected virtual void InitializeInternal() { }
-    public bool Initialize()
-    {
-        if (IsInitialized)
-            return false;
-
-        _stateEnable ??= Factory.StateEnableFactory.Instantiate(this);
-
-        InitializeInternal();
-
-        IsInitialized = true;
-        return true;
-    }
-
-    protected virtual void FinalizeInternal() { }
-    public bool Finalize()
-    {
-        if (!IsInitialized)
-            return false;
-
-        FinalizeInternal();
-
-        IsInitialized = false;
-        return true;
-    }
-
-    protected BaseEntity() => _id = Guid.NewGuid().ToString("D");
-    protected BaseEntity(string id) => _id = id;
-}

Engine.Core/Abstract/IActive.cs

@@ -0,0 +1,19 @@
+namespace Syntriax.Engine.Core.Abstract;
+
+/// <summary>
+/// Represents an entity which can be active or not.
+/// </summary>
+public interface IActive
+{
+    /// <summary>
+    /// Event triggered when the <see cref="IsActive"/> state of the <see cref="IActive"/> changes.
+    /// </summary>
+    event ActiveChangedEventHandler? OnActiveChanged;
+
+    /// <summary>
+    /// The value indicating whether the <see cref="IActive"/> is enabled.
+    /// </summary>
+    bool IsActive { get; }
+
+    delegate void ActiveChangedEventHandler(IActive sender, bool previousState);
+}

Engine.Core/Abstract/IBehaviour.cs

@@ -3,7 +3,7 @@ namespace Syntriax.Engine.Core.Abstract;
 /// <summary>
 /// Represents a behaviour that any object in the game might use to interact with itself or other objects. 
 /// </summary>
-public interface IBehaviour : IEntity, IHasBehaviourController, IHasStateEnable
+public interface IBehaviour : IEntity, IActive, IHasBehaviourController, IHasStateEnable
 {
     /// <summary>
     /// Event triggered when the priority of the <see cref="IBehaviour"/> changes.
@@ -15,10 +15,5 @@ public interface IBehaviour : IEntity, IHasBehaviourController, IHasStateEnable
     /// </summary>
     int Priority { get; set; }
 
-    /// <summary>
-    /// The value indicating whether the <see cref="IBehaviour"/> is active.
-    /// </summary>
-    bool IsActive { get; }
-
     delegate void PriorityChangedEventHandler(IBehaviour sender, int previousPriority);
 }

Engine.Core/Abstract/IHierarchyObject.cs

@@ -7,7 +7,7 @@ namespace Syntriax.Engine.Core.Abstract;
 /// 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, IHasBehaviourController, IEnumerable<IHierarchyObject>
+public interface IHierarchyObject : IEntity, IActive, INameable, IHasBehaviourController, IEnumerable<IHierarchyObject>
 {
     /// <summary>
     /// Event triggered when the <see cref="IHierarchyObject"/> enters the hierarchy.

Engine.Core/Abstract/IStateEnable.cs

@@ -8,12 +8,12 @@ public interface IStateEnable : IHasEntity
     /// <summary>
     /// Event triggered when the <see cref="Enabled"/> state of the <see cref="IStateEnable"/> changes.
     /// </summary>
-    event NameChangedEventHandler? OnEnabledChanged;
+    event EnabledChangedEventHandler? OnEnabledChanged;
 
     /// <summary>
     /// The value indicating whether the <see cref="IStateEnable"/> is enabled.
     /// </summary>
     bool Enabled { get; set; }
 
-    delegate void NameChangedEventHandler(IStateEnable sender, bool previousState);
+    delegate void EnabledChangedEventHandler(IStateEnable sender, bool previousState);
 }