WinFormsGameHostBase.cs

using System.Windows.Forms;
using Gondwana.Hosting;
using Gondwana.Scenes;
 
namespace Gondwana.WinForms.Hosting;

public abstract class WinFormsGameHostBase : GameHostBase
{
    private readonly Control _renderSurface;
    private readonly Action<Scene, bool> _bindScene;

    protected WinFormsGameHostBase(Control renderSurface, Action<Scene, bool> bindScene)
    {
        _renderSurface = renderSurface ?? throw new ArgumentNullException(nameof(renderSurface));
        _bindScene = bindScene ?? throw new ArgumentNullException(nameof(bindScene));
    }

    protected sealed override void ConfigurePlatform()
    {
        Engine.Instance.InitializeWinFormsAudioFormats();
        OnConfigurePlatform();
    }

    protected sealed override void ConfigureKeyboard()
    {
        Engine.Instance.InitializeWinFormsKeyboardAdapter(_renderSurface);
        OnKeyboardAdapterInitialized();
    }

    protected sealed override void ConfigureMouse()
    {
        Engine.Instance.InitializeWinFormsMouseAdapter(_renderSurface);
        OnMouseAdapterInitialized();
    }

    protected override void ConfigureGamepads()
    {
        Engine.InitializeXInputGamepadManager();
        OnGamepadManagerInitialized();
    }

    protected override void ConfigureTouch()
    {
        OnTouchAdapterInitialized();
    }

    protected sealed override void BindScene()
    {
        if (Scene is null)
            throw new InvalidOperationException($"{nameof(BindScene)} cannot be called before {nameof(Scene)} has been created.");
 
        _bindScene(Scene, false);
    }

    protected override void OnSceneBound()
    {
        // Method intentionally left empty.
    }

    protected virtual void OnConfigurePlatform() { }

    protected virtual void OnKeyboardAdapterInitialized() { }

    protected virtual void OnMouseAdapterInitialized() { }

    protected virtual void OnGamepadManagerInitialized() { }

    protected virtual void OnTouchAdapterInitialized() { }
}