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feat: extension methods for parent & children behaviour list search

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Syntriax 2025-05-27 13:36:42 +03:00
parent 8f8558a262
commit d3fb612904
1 changed files with 46 additions and 0 deletions
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46
Engine.Core/Extensions/BehaviourControllerExtensions.cs
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@ -1,3 +1,4 @@
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using Syntriax.Engine.Core.Exceptions;
@ -81,6 +82,27 @@ public static class BehaviourControllerExtensions
public static T GetRequiredBehaviourInParent<T>(this IBehaviourController behaviourController) where T : class
=> behaviourController.GetBehaviourInParent<T>() ?? throw new BehaviourNotFoundException($"{behaviourController.UniverseObject.Name}'s {nameof(IBehaviourController)} does not contain any {typeof(T).FullName} on any parent");
/// <summary>
/// Gets all <see cref="IBehaviour"/>s of the specified type in it's <see cref="IUniverseObject"/>'s parents recursively and stores them in the provided list.
/// </summary>
/// <typeparam name="T">The type of <see cref="IBehaviour"/>s to get.</typeparam>
/// <param name="behavioursInParent">The list to store the <see cref="IBehaviour"/>s.</param>
public static void GetBehavioursInParent<T>(this IBehaviourController behaviourController, IList<T> behavioursInParent) where T : class
{
IBehaviourController? controller = behaviourController;
List<T> cache = [];
behavioursInParent.Clear();
while (controller is not null)
{
controller.GetBehaviours(cache);
foreach (T behaviour in cache)
behavioursInParent.Add(behaviour);
controller = controller.UniverseObject.Parent?.BehaviourController;
}
}
/// <summary>
/// Tries to get a <see cref="IBehaviour"/> of the specified type in it's <see cref="IUniverseObject"/>'s children recursively.
/// </summary>
@ -120,4 +142,28 @@ public static class BehaviourControllerExtensions
/// <returns>The <see cref="IBehaviour"/> of the specified type if found; otherwise, throws <see cref="BehaviourNotFoundException"/>.</returns>
public static T GetRequiredBehaviourInChildren<T>(this IBehaviourController behaviourController) where T : class
=> behaviourController.GetBehaviourInChildren<T>() ?? throw new BehaviourNotFoundException($"{behaviourController.UniverseObject.Name}'s {nameof(IBehaviourController)} does not contain any {typeof(T).FullName} on any children ");
/// <summary>
/// Gets all <see cref="IBehaviour"/>s of the specified type in it's <see cref="IUniverseObject"/>'s children recursively and stores them in the provided list.
/// </summary>
/// <typeparam name="T">The type of <see cref="IBehaviour"/>s to get.</typeparam>
/// <param name="behavioursInChildren">The list to store the <see cref="IBehaviour"/>s.</param>
public static void GetBehavioursInChildren<T>(this IBehaviourController behaviourController, IList<T> behavioursInChildren) where T : class
{
List<T> cache = [];
behavioursInChildren.Clear();
TraverseChildrenForBehaviour(behaviourController.UniverseObject, behavioursInChildren, cache);
}
private static void TraverseChildrenForBehaviour<T>(IUniverseObject universeObject, IList<T> behaviours, IList<T> cache) where T : class
{
universeObject.BehaviourController.GetBehaviours(cache);
foreach (T behaviour in cache)
behaviours.Add(behaviour);
foreach (IUniverseObject child in universeObject)
TraverseChildrenForBehaviour(child, behaviours, cache);
}
}