public override void EndScreenDeviceChange(
string screenDeviceName,
int clientWidth,
int clientHeight
)
{
FNAPlatform.ApplyWindowChanges(
window,
clientWidth,
clientHeight,
wantsFullscreen,
screenDeviceName,
ref deviceName
);
}
protected virtual void Dispose(bool disposing)
{
if (!_isDisposed)
{
if (disposing)
{
// Dispose loaded game components.
for (int i = 0; i < _components.Count; i += 1)
{
IDisposable disposable = _components[i] as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
_components = null;
if (_content != null)
{
_content.Dispose();
_content = null;
}
if (_graphicsDeviceService != null)
{
// FIXME: Does XNA4 require the GDM to be disposable? -flibit
(_graphicsDeviceService as IDisposable).Dispose();
_graphicsDeviceService = null;
}
AudioDevice.Dispose();
if (Window != null)
{
FNAPlatform.DisposeWindow(Window);
Window = null;
}
Mouse.WindowHandle = IntPtr.Zero;
ContentTypeReaderManager.ClearTypeCreators();
}
AppDomain.CurrentDomain.UnhandledException -= OnUnhandledException;
_isDisposed = true;
}
}
public Game()
{
AppDomain.CurrentDomain.UnhandledException += OnUnhandledException;
LaunchParameters = new LaunchParameters();
_services = new GameServiceContainer();
_components = new GameComponentCollection();
_content = new ContentManager(_services);
Window = FNAPlatform.CreateWindow();
AudioDevice.Initialize();
// Ready to run the loop!
RunApplication = true;
}
internal static IntPtr ReadToPointer(string name, out IntPtr size)
{
string safeName = MonoGame.Utilities.FileHelpers.NormalizeFilePathSeparators(name);
#if CASE_SENSITIVITY_HACK
if (Path.IsPathRooted(safeName))
{
safeName = GetCaseName(safeName);
}
safeName = GetCaseName(Path.Combine(TitleLocation.Path, safeName));
#endif
if (Path.IsPathRooted(safeName))
{
return(FNAPlatform.ReadFileToPointer(safeName, out size));
}
return(FNAPlatform.ReadFileToPointer(Path.Combine(TitleLocation.Path, safeName), out size));
}
public void RunOneFrame()
{
if (!hasInitialized)
{
DoInitialize();
gameTimer = Stopwatch.StartNew();
hasInitialized = true;
}
FNAPlatform.PollEvents(
this,
ref currentAdapter,
textInputControlDown,
textInputControlRepeat,
ref textInputSuppress
);
Tick();
}
public void Run()
{
AssertNotDisposed();
if (!hasInitialized)
{
DoInitialize();
hasInitialized = true;
}
BeginRun();
gameTimer = Stopwatch.StartNew();
FNAPlatform.RunLoop(this);
EndRun();
OnExiting(this, EventArgs.Empty);
}
private void INTERNAL_OnClientSizeChanged(object sender, EventArgs e)
{
GameWindow window = (sender as GameWindow);
Rectangle size = window.ClientBounds;
resizedBackBufferWidth = size.Width;
resizedBackBufferHeight = size.Height;
FNAPlatform.ScaleForWindow(
window.Handle,
true,
ref resizedBackBufferWidth,
ref resizedBackBufferHeight
);
useResizedBackBuffer = true;
ApplyChanges();
}
public Game()
{
AppDomain.CurrentDomain.UnhandledException += OnUnhandledException;
LaunchParameters = new LaunchParameters();
Components = new GameComponentCollection();
Services = new GameServiceContainer();
Content = new ContentManager(Services);
updateableComponents = new List <IUpdateable>();
currentlyUpdatingComponents = new List <IUpdateable>();
drawableComponents = new List <IDrawable>();
currentlyDrawingComponents = new List <IDrawable>();
IsMouseVisible = false;
IsFixedTimeStep = true;
TargetElapsedTime = TimeSpan.FromTicks(166667); // 60fps
InactiveSleepTime = TimeSpan.FromSeconds(0.02);
for (int i = 0; i < previousSleepTimes.Length; i += 1)
{
previousSleepTimes[i] = TimeSpan.FromMilliseconds(1);
}
textInputControlDown = new bool[FNAPlatform.TextInputCharacters.Length];
textInputControlRepeat = new int[FNAPlatform.TextInputCharacters.Length];
hasInitialized = false;
suppressDraw = false;
isDisposed = false;
gameTime = new GameTime();
Window = FNAPlatform.CreateWindow();
Mouse.WindowHandle = Window.Handle;
TouchPanel.WindowHandle = Window.Handle;
FrameworkDispatcher.Update();
// Ready to run the loop!
RunApplication = true;
}
public override void EndScreenDeviceChange(
string screenDeviceName,
int clientWidth,
int clientHeight
)
{
string prevName = deviceName;
FNAPlatform.ApplyWindowChanges(
window,
clientWidth,
clientHeight,
wantsFullscreen,
screenDeviceName,
ref deviceName
);
if (deviceName != prevName)
{
OnScreenDeviceNameChanged();
}
}
protected virtual void Dispose(bool disposing)
{
if (!isDisposed)
{
if (disposing)
{
// Dispose loaded game components.
for (int i = 0; i < Components.Count; i += 1)
{
IDisposable disposable = Components[i] as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
if (Content != null)
{
Content.Dispose();
}
if (graphicsDeviceService != null)
{
// FIXME: Does XNA4 require the GDM to be disposable? -flibit
(graphicsDeviceService as IDisposable).Dispose();
}
if (Window != null)
{
FNAPlatform.DisposeWindow(Window);
}
ContentTypeReaderManager.ClearTypeCreators();
}
AppDomain.CurrentDomain.UnhandledException -= OnUnhandledException;
isDisposed = true;
}
}
private void RunLoop()
{
/* Some platforms (i.e. Emscripten) don't support
* indefinite while loops, so instead we have to
* surrender control to the platform's main loop.
* -caleb
*/
if (FNAPlatform.NeedsPlatformMainLoop())
{
/* This breaks control flow and jumps
* directly into the platform main loop.
* Nothing below this call will be executed.
*/
FNAPlatform.RunPlatformMainLoop(this);
}
while (RunApplication)
{
Tick();
}
OnExiting(this, EventArgs.Empty);
}
public void Run()
{
AssertNotDisposed();
if (!hasInitialized)
{
GameSubThread.Setup(this);
GameSubThread.Instance.ScheduleWait(DoInitialize);
hasInitialized = true;
}
BeginRun();
gameTimer = Stopwatch.StartNew();
FNAPlatform.RunLoop(this);
GameSubThread.Abort();
EndRun();
OnExiting(this, EventArgs.Empty);
}
public Game(string rootDir)
{
AppDomain.CurrentDomain.UnhandledException += OnUnhandledException;
RootDirectory = rootDir;
LaunchParameters = new LaunchParameters();
Components = new GameComponentCollection();
Services = new GameServiceContainer();
Content = new ContentManager(Services);
updateableComponents = new List <IUpdateable>();
currentlyUpdatingComponents = new List <IUpdateable>();
drawableComponents = new List <IDrawable>();
currentlyDrawingComponents = new List <IDrawable>();
IsMouseVisible = false;
IsFixedTimeStep = true;
TargetElapsedTime = TimeSpan.FromTicks(166667); // 60fps
InactiveSleepTime = TimeSpan.FromSeconds(0.02);
hasInitialized = false;
suppressDraw = false;
isDisposed = false;
gameTime = new GameTime();
Window = FNAPlatform.CreateWindow();
Mouse.WindowHandle = Window.Handle;
TouchPanel.WindowHandle = Window.Handle;
FrameworkDispatcher.Update();
Renderer = new Renderer(this);
// Ready to run the loop!
RunApplication = true;
}
protected virtual bool ShowMissingRequirementMessage(Exception exception)
{
if (exception is NoAudioHardwareException)
{
FNAPlatform.ShowRuntimeError(
Window.Title,
"Could not find a suitable audio device. " +
" Verify that a sound card is\ninstalled," +
" and check the driver properties to make" +
" sure it is not disabled."
);
return(true);
}
if (exception is NoSuitableGraphicsDeviceException)
{
FNAPlatform.ShowRuntimeError(
Window.Title,
"Could not find a suitable graphics device." +
" More information:\n\n" + exception.Message
);
return(true);
}
return(false);
}
public void ApplyChanges()
{
// Calling ApplyChanges() before CreateDevice() should have no effect.
if (graphicsDevice == null)
{
return;
}
// Recreate device information before resetting
GraphicsDeviceInformation gdi = new GraphicsDeviceInformation();
gdi.Adapter = GraphicsDevice.Adapter;
gdi.GraphicsProfile = GraphicsDevice.GraphicsProfile;
gdi.PresentationParameters = GraphicsDevice.PresentationParameters.Clone();
/* Apply the GraphicsDevice changes to the new Parameters.
* Note that PreparingDeviceSettings can override any of these!
* -flibit
*/
gdi.PresentationParameters.BackBufferFormat =
PreferredBackBufferFormat;
if (useResizedBackBuffer)
{
gdi.PresentationParameters.BackBufferWidth =
resizedBackBufferWidth;
gdi.PresentationParameters.BackBufferHeight =
resizedBackBufferHeight;
useResizedBackBuffer = false;
}
else
{
gdi.PresentationParameters.BackBufferWidth =
PreferredBackBufferWidth;
gdi.PresentationParameters.BackBufferHeight =
PreferredBackBufferHeight;
}
gdi.PresentationParameters.DepthStencilFormat =
PreferredDepthStencilFormat;
gdi.PresentationParameters.IsFullScreen =
IsFullScreen;
if (!PreferMultiSampling)
{
gdi.PresentationParameters.MultiSampleCount = 0;
}
else if (gdi.PresentationParameters.MultiSampleCount == 0)
{
/* XNA4 seems to have an upper limit of 8, but I'm willing to
* limit this only in GraphicsDeviceManager's default setting.
* If you want even higher values, Reset() with a custom value.
* -flibit
*/
gdi.PresentationParameters.MultiSampleCount = Math.Min(
GraphicsDevice.GLDevice.MaxMultiSampleCount,
8
);
}
// Give the user a chance to override the above settings.
OnPreparingDeviceSettings(
this,
new PreparingDeviceSettingsEventArgs(gdi)
);
// Reset!
game.Window.BeginScreenDeviceChange(
gdi.PresentationParameters.IsFullScreen
);
game.Window.EndScreenDeviceChange(
gdi.Adapter.DeviceName,
gdi.PresentationParameters.BackBufferWidth,
gdi.PresentationParameters.BackBufferHeight
);
// FIXME: This should be before EndScreenDeviceChange! -flibit
GraphicsDevice.Reset(
gdi.PresentationParameters,
gdi.Adapter
);
// Apply the PresentInterval.
FNAPlatform.SetPresentationInterval(
SynchronizeWithVerticalRetrace ?
gdi.PresentationParameters.PresentationInterval :
PresentInterval.Immediate
);
}
public void Tick()
{
/* NOTE: This code is very sensitive and can break very badly,
* even with what looks like a safe change. Be sure to test
* any change fully in both the fixed and variable timestep
* modes across multiple devices and platforms.
*/
AdvanceElapsedTime();
if (IsFixedTimeStep)
{
/* If we are in fixed timestep, we want to wait until the next frame,
* but we don't want to oversleep. Requesting repeated 1ms sleeps and
* seeing how long we actually slept for lets us estimate the worst case
* sleep precision so we don't oversleep the next frame.
*/
while (accumulatedElapsedTime + worstCaseSleepPrecision < TargetElapsedTime)
{
System.Threading.Thread.Sleep(1);
TimeSpan timeAdvancedSinceSleeping = AdvanceElapsedTime();
UpdateEstimatedSleepPrecision(timeAdvancedSinceSleeping);
}
/* Now that we have slept into the sleep precision threshold, we need to wait
* for just a little bit longer until the target elapsed time has been reached.
* SpinWait(1) works by pausing the thread for very short intervals, so it is
* an efficient and time-accurate way to wait out the rest of the time.
*/
while (accumulatedElapsedTime < TargetElapsedTime)
{
System.Threading.Thread.SpinWait(1);
AdvanceElapsedTime();
}
}
// Now that we are going to perform an update, let's poll events.
FNAPlatform.PollEvents(
this,
ref currentAdapter,
textInputControlDown,
textInputControlRepeat,
ref textInputSuppress
);
// Do not allow any update to take longer than our maximum.
if (accumulatedElapsedTime > MaxElapsedTime)
{
accumulatedElapsedTime = MaxElapsedTime;
}
if (IsFixedTimeStep)
{
gameTime.ElapsedGameTime = TargetElapsedTime;
int stepCount = 0;
// Perform as many full fixed length time steps as we can.
while (accumulatedElapsedTime >= TargetElapsedTime)
{
gameTime.TotalGameTime += TargetElapsedTime;
accumulatedElapsedTime -= TargetElapsedTime;
stepCount += 1;
AssertNotDisposed();
Update(gameTime);
}
// Every update after the first accumulates lag
updateFrameLag += Math.Max(0, stepCount - 1);
/* If we think we are running slowly, wait
* until the lag clears before resetting it
*/
if (gameTime.IsRunningSlowly)
{
if (updateFrameLag == 0)
{
gameTime.IsRunningSlowly = false;
}
}
else if (updateFrameLag >= 5)
{
/* If we lag more than 5 frames,
* start thinking we are running slowly.
*/
gameTime.IsRunningSlowly = true;
}
/* Every time we just do one update and one draw,
* then we are not running slowly, so decrease the lag.
*/
if (stepCount == 1 && updateFrameLag > 0)
{
updateFrameLag -= 1;
}
/* Draw needs to know the total elapsed time
* that occured for the fixed length updates.
*/
gameTime.ElapsedGameTime = TimeSpan.FromTicks(TargetElapsedTime.Ticks * stepCount);
}
else
{
// Perform a single variable length update.
if (forceElapsedTimeToZero)
{
/* When ResetElapsedTime is called,
* Elapsed is forced to zero and
* Total is ignored entirely.
* -flibit
*/
gameTime.ElapsedGameTime = TimeSpan.Zero;
forceElapsedTimeToZero = false;
}
else
{
gameTime.ElapsedGameTime = accumulatedElapsedTime;
gameTime.TotalGameTime += gameTime.ElapsedGameTime;
}
accumulatedElapsedTime = TimeSpan.Zero;
AssertNotDisposed();
Update(gameTime);
}
// Draw unless the update suppressed it.
if (suppressDraw)
{
suppressDraw = false;
}
else
{
/* Draw/EndDraw should not be called if BeginDraw returns false.
* http://stackoverflow.com/questions/4054936/manual-control-over-when-to-redraw-the-screen/4057180#4057180
* http://stackoverflow.com/questions/4235439/xna-3-1-to-4-0-requires-constant-redraw-or-will-display-a-purple-screen
*/
if (BeginDraw())
{
Draw(gameTime);
EndDraw();
}
}
}
static TitleLocation()
{
Path = FNAPlatform.GetBaseDirectory();
}
private void AfterLoop()
{
FNAPlatform.UnregisterGame(this);
}
protected override void SetTitle(string title)
{
FNAPlatform.SetWindowTitle(window, title);
}
public void ApplyChanges()
{
/* Calling ApplyChanges() before CreateDevice() forces CreateDevice.
* We can then return early since CreateDevice will call this again!
* -flibit
*/
if (graphicsDevice == null)
{
(this as IGraphicsDeviceManager).CreateDevice();
return;
}
// ApplyChanges() calls with no actual changes should be ignored.
if (!prefsChanged && !useResizedBackBuffer)
{
return;
}
// Recreate device information before resetting
GraphicsDeviceInformation gdi = new GraphicsDeviceInformation();
gdi.Adapter = graphicsDevice.Adapter;
gdi.GraphicsProfile = graphicsDevice.GraphicsProfile;
gdi.PresentationParameters = graphicsDevice.PresentationParameters.Clone();
bool supportsOrientations = FNAPlatform.SupportsOrientationChanges();
/* Apply the GraphicsDevice changes to the new Parameters.
* Note that PreparingDeviceSettings can override any of these!
* -flibit
*/
gdi.PresentationParameters.BackBufferFormat =
PreferredBackBufferFormat;
if (useResizedBackBuffer)
{
gdi.PresentationParameters.BackBufferWidth =
resizedBackBufferWidth;
gdi.PresentationParameters.BackBufferHeight =
resizedBackBufferHeight;
useResizedBackBuffer = false;
}
else
{
if (!supportsOrientations)
{
gdi.PresentationParameters.BackBufferWidth =
PreferredBackBufferWidth;
gdi.PresentationParameters.BackBufferHeight =
PreferredBackBufferHeight;
}
else
{
/* Flip the backbuffer dimensions to scale
* appropriately to the current orientation.
*/
int min = Math.Min(PreferredBackBufferWidth, PreferredBackBufferHeight);
int max = Math.Max(PreferredBackBufferWidth, PreferredBackBufferHeight);
if (gdi.PresentationParameters.DisplayOrientation == DisplayOrientation.Portrait)
{
gdi.PresentationParameters.BackBufferWidth = min;
gdi.PresentationParameters.BackBufferHeight = max;
}
else
{
gdi.PresentationParameters.BackBufferWidth = max;
gdi.PresentationParameters.BackBufferHeight = min;
}
}
}
gdi.PresentationParameters.DepthStencilFormat =
PreferredDepthStencilFormat;
gdi.PresentationParameters.IsFullScreen =
IsFullScreen;
gdi.PresentationParameters.PresentationInterval =
SynchronizeWithVerticalRetrace ?
PresentInterval.One :
PresentInterval.Immediate;
if (!PreferMultiSampling)
{
gdi.PresentationParameters.MultiSampleCount = 0;
}
else if (gdi.PresentationParameters.MultiSampleCount == 0)
{
/* XNA4 seems to have an upper limit of 8, but I'm willing to
* limit this only in GraphicsDeviceManager's default setting.
* If you want even higher values, Reset() with a custom value.
* -flibit
*/
gdi.PresentationParameters.MultiSampleCount = Math.Min(
graphicsDevice.GLDevice.MaxMultiSampleCount,
8
);
}
// Give the user a chance to override the above settings.
OnPreparingDeviceSettings(
this,
new PreparingDeviceSettingsEventArgs(gdi)
);
// Reset!
if (supportsOrientations)
{
game.Window.SetSupportedOrientations(
INTERNAL_supportedOrientations
);
}
game.Window.BeginScreenDeviceChange(
gdi.PresentationParameters.IsFullScreen
);
game.Window.EndScreenDeviceChange(
gdi.Adapter.DeviceName,
gdi.PresentationParameters.BackBufferWidth,
gdi.PresentationParameters.BackBufferHeight
);
// FIXME: This should be before EndScreenDeviceChange! -flibit
graphicsDevice.Reset(
gdi.PresentationParameters,
gdi.Adapter
);
prefsChanged = false;
}
