Syntriax.Engine/Engine.Physics2D/PhysicsCoroutineManager.cs

63 lines
1.9 KiB
C#

using System.Collections;
using System.Collections.Generic;
using Syntriax.Engine.Core;
using Syntriax.Engine.Core.Abstract;
using Syntriax.Engine.Physics2D.Abstract;
namespace Engine.Physics2D;
public class PhysicsCoroutineManager : HierarchyObjectBase
{
private readonly List<IEnumerator> enumerators = [];
private IPhysicsEngine2D? physicsEngine = null;
public IEnumerator CreateCoroutine(IEnumerator enumerator)
{
enumerators.Add(enumerator);
return enumerator;
}
public void StopCoroutine(IEnumerator enumerator)
{
enumerators.Remove(enumerator);
}
protected override void OnEnteringHierarchy(IGameManager gameManager)
{
physicsEngine = gameManager.HierarchyObjects.FindObject<IPhysicsEngine2D>();
if (physicsEngine is IPhysicsEngine2D foundPhysicsEngine)
foundPhysicsEngine.OnPhysicsStep += OnPhysicsStep;
else
gameManager.OnUpdate += OnUpdate;
}
private void OnPhysicsStep(IPhysicsEngine2D sender, float stepDeltaTime)
{
for (int i = enumerators.Count - 1; i >= 0; i--)
if (!enumerators[i].MoveNext())
enumerators.RemoveAt(i);
}
protected override void OnExitingHierarchy(IGameManager gameManager)
{
if (physicsEngine is IPhysicsEngine2D existingPhysicsEngine)
existingPhysicsEngine.OnPhysicsStep -= OnPhysicsStep;
gameManager.OnUpdate -= OnUpdate;
}
private void OnUpdate(IGameManager sender, EngineTime time)
{
if (GameManager is not IGameManager gameManager)
return;
physicsEngine = gameManager.HierarchyObjects.FindObject<IPhysicsEngine2D>();
if (physicsEngine is IPhysicsEngine2D foundPhysicsEngine)
{
foundPhysicsEngine.OnPhysicsStep += OnPhysicsStep;
gameManager.OnUpdate -= OnUpdate;
}
}
}