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Code Issues Projects Releases Wiki Activity

Move to a "Device" based model for game classes.

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This commit is contained in:
Adrian Conlon committed 2026-08-25 14:52:55 +01:00
1 parent 1a54321b93
commit a79eb16449
2 files changed
+93 -83
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Gaming/Game.cs
+66 -56
View File
@@ -8,7 +8,7 @@
using System.Linq;
using System.Runtime.InteropServices;
public abstract class Game(bool verbose = false) : Device, IDisposable
public abstract class Game(bool verbose = false) : Device
{
private readonly Wrapper _wrapper = new(verbose);
private readonly SDL.PixelFormat _pixelType = SDL.PixelFormat.ARGB8888;
@@ -18,7 +18,6 @@
private ulong _frameStartTime;
private ulong _frameEndTime;
private readonly SortedDictionary<uint, GameController> _gameControllers = [];
private bool _disposed;
protected ScopedHandle Window { get; } = new(SDL.DestroyWindow);
@@ -53,7 +52,19 @@
public override void RaisePOWER()
{
base.RaisePOWER();
this._wrapper.RaisePOWER();
this.Initialise();
}
public override void LowerPOWER()
{
this.Terminate();
this._wrapper.LowerPOWER();
base.LowerPOWER();
}
public virtual void Initialise()
{
this.Window.Handle = SDL.CreateWindow(this.Title, this.WindowWidth, this.WindowHeight, 0L);
Wrapper.MaybeThrowException(this.Window, "Unable to create window");
var displayId = SDL.GetDisplayForWindow(this.Window);
@@ -90,7 +101,14 @@
this.CreateBitmapTexture();
this._performanceFrequency = SDL.GetPerformanceFrequency();
this._targetFrameTime = 1.0 / (double) this.FramesPerSecond;
this._targetFrameTime = 1.0 / (double)this.FramesPerSecond;
}
public virtual void Terminate()
{
this.BitmapTexture.Dispose();
this.Renderer.Dispose();
this.Window.Dispose();
}
private void ConfigureBackground()
@@ -109,7 +127,16 @@
{
while (this.Powered)
{
this.Update();
this.RunFrame();
}
}
public virtual void RunFrame()
{
this.Update();
this.HandleEvents();
if (this.Powered)
{
this.Draw();
_ = this.MaybeSynchronise();
}
@@ -118,7 +145,6 @@
protected virtual void Update()
{
this._frameStartTime = SDL.GetPerformanceCounter();
this.HandleEvents();
this.RunVerticalBlank();
this.RunRasterLines();
}
@@ -135,36 +161,41 @@
{
while (SDL.PollEvent(out var e))
{
switch ((SDL.EventType)e.Type)
{
case SDL.EventType.Quit:
this.LowerPOWER();
break;
case SDL.EventType.KeyDown:
_ = this.HandleKeyDown(e.Key.Key);
break;
case SDL.EventType.KeyUp:
_ = this.HandleKeyUp(e.Key.Key);
break;
case SDL.EventType.JoystickButtonDown:
_ = this.HandleJoyButtonDown(e.JButton);
break;
case SDL.EventType.JoystickButtonUp:
_ = this.HandleJoyButtonUp(e.JButton);
break;
case SDL.EventType.GamepadButtonDown:
_ = this.HandleGamepadButtonDown(e.GButton);
break;
case SDL.EventType.GamepadButtonUp:
_ = this.HandleGamepadButtonUp(e.GButton);
break;
case SDL.EventType.GamepadAdded:
this.AddGampad(e);
break;
case SDL.EventType.GamepadRemoved:
this.RemoveGamepad(e);
break;
}
this.HandleEvent(e);
}
}
protected virtual void HandleEvent(SDL.Event e)
{
switch ((SDL.EventType)e.Type)
{
case SDL.EventType.Quit:
this.LowerPOWER();
break;
case SDL.EventType.KeyDown:
_ = this.HandleKeyDown(e.Key.Key);
break;
case SDL.EventType.KeyUp:
_ = this.HandleKeyUp(e.Key.Key);
break;
case SDL.EventType.JoystickButtonDown:
_ = this.HandleJoyButtonDown(e.JButton);
break;
case SDL.EventType.JoystickButtonUp:
_ = this.HandleJoyButtonUp(e.JButton);
break;
case SDL.EventType.GamepadButtonDown:
_ = this.HandleGamepadButtonDown(e.GButton);
break;
case SDL.EventType.GamepadButtonUp:
_ = this.HandleGamepadButtonUp(e.GButton);
break;
case SDL.EventType.GamepadAdded:
this.AddGampad(e);
break;
case SDL.EventType.GamepadRemoved:
this.RemoveGamepad(e);
break;
}
}
@@ -306,26 +337,5 @@
protected virtual bool HandleGamepadButtonDown(SDL.GamepadButtonEvent e) => false;
protected virtual bool HandleGamepadButtonUp(SDL.GamepadButtonEvent e) => false;
public void Dispose()
{
this.Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (!this._disposed)
{
if (disposing)
{
this.BitmapTexture.Dispose();
this.Renderer.Dispose();
this.Window.Dispose();
this._wrapper.Dispose();
}
}
this._disposed = true;
}
}
}
Gaming/Wrapper.cs
+27 -27
View File
@@ -1,11 +1,36 @@
namespace Gaming
{
using SDL3;
using EightBit;
using System;
public class Wrapper : IDisposable
public class Wrapper(bool verbose) : Device
{
private bool _disposed;
public override void RaisePOWER()
{
base.RaisePOWER();
this.Initialise();
}
public override void LowerPOWER()
{
this.Terminate();
base.LowerPOWER();
}
public virtual void Initialise()
{
var success = SDL.Init(SDL.InitFlags.Video | SDL.InitFlags.Audio | SDL.InitFlags.Gamepad | SDL.InitFlags.Haptic);
Wrapper.MaybeThrowException(success, "Unable to initialise SDL library");
SDL.SetLogPriorities(verbose ? SDL.LogPriority.Trace : SDL.LogPriority.Warn);
SDL.LogInfo(SDL.LogCategory.Application, "SDL library initialised");
}
public virtual void Terminate()
{
SDL.LogInfo(SDL.LogCategory.Application, "SDL library terminating");
SDL.Quit();
}
public static void ThrowException(string failure)
{
@@ -22,30 +47,5 @@
{
MaybeThrowException(handle != IntPtr.Zero, failure);
}
public Wrapper(bool verbose)
{
var success = SDL.Init(SDL.InitFlags.Video | SDL.InitFlags.Audio | SDL.InitFlags.Gamepad | SDL.InitFlags.Haptic);
Wrapper.MaybeThrowException(success, "Unable to initialise SDL library");
SDL.SetLogPriorities(verbose ? SDL.LogPriority.Trace : SDL.LogPriority.Warn);
}
public void Dispose()
{
this.Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (!this._disposed)
{
if (disposing)
{
SDL.Quit();
}
this._disposed = true;
}
}
}
}