PostProcessingManager.cs

using System.Collections.Generic;

namespace SRXDPostProcessing; 

/// <summary>
/// Utility class for adding and removing post processing effects
/// </summary>
public static class PostProcessingManager {
    internal static List<PostProcessingInstance> PostProcessingInstances { get; } = new();

    /// <summary>
    /// Adds a new post processing effect
    /// </summary>
    /// <param name="instance">The instance to add</param>
    public static void AddPostProcessingInstance(PostProcessingInstance instance) {
        if (PostProcessingInstances.Contains(instance))
            return;
        
        for (int i = 0; i < PostProcessingInstances.Count; i++) {
            if (instance.Priority > PostProcessingInstances[i].Priority)
                continue;
            
            PostProcessingInstances.Insert(i, instance);
                
            return;
        }

        PostProcessingInstances.Add(instance);
    }

    /// <summary>
    /// Removes a post processing effect
    /// </summary>
    /// <param name="instance">The instance to remove</param>
    public static void RemovePostProcessingInstance(PostProcessingInstance instance) => PostProcessingInstances.Remove(instance);
}