150 lines
No EOL
4.2 KiB
C#
150 lines
No EOL
4.2 KiB
C#
#region usings
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using System.Collections.Generic;
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using System.Threading;
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using SM.Base.Contexts;
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using SM.Base.Drawing;
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using SM.Base.Scene;
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using SM.OGL.Framebuffer;
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#endregion
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namespace SM.Base
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{
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/// <summary>
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/// Definition of specific render options.
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/// </summary>
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public abstract class RenderPipeline
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{
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/// <summary>
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/// If true, this pipeline was already once activated.
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/// </summary>
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public bool IsInitialized { get; private set; } = false;
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/// <summary>
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/// The window the pipeline is connected to.
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/// </summary>
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protected IGenericWindow _window { get; private set; }
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/// <summary>
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/// The framebuffers, that are used in this Pipeline.
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/// </summary>
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public virtual List<Framebuffer> Framebuffers { get; private set; }
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/// <summary>
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/// The default shader for the pipeline.
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/// </summary>
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protected internal virtual MaterialShader _defaultShader { get; set; }
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public virtual Framebuffer MainFramebuffer { get; protected set; }= Framebuffer.Screen;
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/// <summary>
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/// Occurs, when the window is loading.
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/// </summary>
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protected internal virtual void Load()
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{
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}
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/// <summary>
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/// Occurs, when the window is resizing.
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/// </summary>
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protected internal virtual void Resize()
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{
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if (Framebuffers == null) return;
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foreach (var framebuffer in Framebuffers)
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framebuffer.Dispose();
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Thread.Sleep(50);
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foreach (Framebuffer framebuffer in Framebuffers)
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{
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framebuffer.Compile();
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}
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}
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internal void Activate(IGenericWindow window)
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{
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_window = window;
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if (!IsInitialized)
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{
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if (_defaultShader == null) _defaultShader = SMRenderer.DefaultMaterialShader;
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Framebuffers = new List<Framebuffer>();
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Initialization(window);
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Framebuffers.Add(MainFramebuffer);
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IsInitialized = true;
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}
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Activation(window);
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}
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/// <summary>
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/// Occurs, when the pipeline was connected to a window.
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/// </summary>
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protected internal virtual void Activation(IGenericWindow window)
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{
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}
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/// <summary>
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/// Occurs, when the pipeline was connected to a window the first time.
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/// </summary>
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/// <param name="window"></param>
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protected internal virtual void Initialization(IGenericWindow window)
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{
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}
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/// <summary>
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/// Occurs, when the window is unloading.
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/// </summary>
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protected internal virtual void Unload()
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{
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}
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/// <summary>
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/// Creates a framebuffer, that has specific (often) required settings already applied.
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/// </summary>
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/// <returns></returns>
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public static Framebuffer CreateWindowFramebuffer()
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{
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Framebuffer framebuffer = new Framebuffer(window: SMRenderer.CurrentWindow);
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framebuffer.Append("color", 0);
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return framebuffer;
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}
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}
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/// <summary>
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/// Represents a render pipeline.
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/// </summary>
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/// <typeparam name="TScene">The scene type</typeparam>
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public abstract class RenderPipeline<TScene> : RenderPipeline
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where TScene : GenericScene
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{
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/// <summary>
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/// The system to render stuff.
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/// </summary>
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internal void Render(ref DrawContext context)
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{
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context.ActivePipeline = this;
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if (context.ActiveScene == null) return;
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RenderProcess(ref context, (TScene)context.ActiveScene);
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}
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protected abstract void RenderProcess(ref DrawContext context, TScene scene);
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/// <summary>
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/// Event, that triggers, when the scene in the current window changes.
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/// </summary>
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/// <param name="scene"></param>
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protected internal virtual void SceneChanged(TScene scene)
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{
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}
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}
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} |