internal static void WarningWhenFails(this Log log, string msg, Func <int> func)
{
if (func() < 0)
{
log.Warning($"{msg}: {SDL2.SDL_GetError()}");
}
}
internal void FixedUpdate()
{
var currentTime = SDL2.SDL_GetTicks();
Lag += (currentTime - _lastLagMeasureTime) / 1000f;
_lastLagMeasureTime = currentTime;
}
public override void Play()
{
EnsureHandleValid();
if (Status == PlaybackStatus.Playing)
{
if (SDL2_nmix.NMIX_Pause(Handle) < 0)
{
_log.Error($"Failed to play the audio source [pause]: {SDL2.SDL_GetError()}");
return;
}
if (SDL2_nmix.NMIX_Rewind(FileSourceHandle) < 0)
{
_log.Error($"Failed to play the audio source [rewind]: {SDL2.SDL_GetError()}");
return;
}
Status = PlaybackStatus.Stopped;
}
if (SDL2_nmix.NMIX_Play(Handle) < 0)
{
_log.Error($"Failed to play the audio source [play]: {SDL2.SDL_GetError()}");
return;
}
Status = PlaybackStatus.Playing;
}
private void ControllerConnected(Window owner, SDL2.SDL_Event ev)
{
var instance = SDL2.SDL_GameControllerOpen(ev.cdevice.which);
var joyInstance = SDL2.SDL_GameControllerGetJoystick(instance);
var instanceId = SDL2.SDL_JoystickInstanceID(joyInstance);
var playerIndex = ControllerRegistry.Instance.GetFirstFreePlayerSlot();
SDL2.SDL_GameControllerSetPlayerIndex(instance, playerIndex);
var name = SDL2.SDL_GameControllerName(instance);
var productInfo = new ProductInfo(
SDL2.SDL_GameControllerGetVendor(instance),
SDL2.SDL_GameControllerGetProduct(instance)
);
var guid = SDL2.SDL_JoystickGetGUID(joyInstance);
var controllerInfo = new ControllerInfo(instance, instanceId, guid, playerIndex, name, productInfo);
ControllerRegistry.Instance.Register(instance, controllerInfo);
owner.Game.OnControllerConnected(
new ControllerEventArgs(controllerInfo)
);
}
private static void InitializeSdlSystems()
{
Console.WriteLine("---");
Console.WriteLine("Initializing SDL2 core...");
SDL2.SDL_Init(BootConfig.SdlModules.SdlInitFlags);
}
public void ExecuteProgram()
{
_stopwatch.Start();
while (!_quit)
{
var clocks = _device.Step();
_inputCountdown -= clocks;
if (_inputCountdown < 0)
{
_inputCountdown += ClocksPerInputCheck;
CheckForInput();
}
_delayCountdown -= clocks;
if (_delayCountdown < 0)
{
_delayCountdown += ClocksPerFrame;
var msToSleep = _msPerFrame - (_stopwatch.ElapsedTicks / (double)Stopwatch.Frequency) * 1000;
if (msToSleep > 0)
{
SDL2.SDL_Delay((uint)msToSleep);
}
_stopwatch.Restart();
}
}
}
public void Dispose()
{
_soundOutput?.Dispose();
SDL2.SDL_DestroyRenderer(_renderer);
SDL2.SDL_DestroyWindow(_window);
SDL2.SDL_Quit();
}
public FrameworkException(string message, bool getSdlError = false) : base(message)
{
if (getSdlError)
{
SdlError = SDL2.SDL_GetError();
}
}
private static void RunGameNoLoop()
{
// WARNING!: This function is dependent on the internals of MonoGame; always check the source of truth:
// https://github.com/MonoGame/MonoGame/blob/develop/MonoGame.Framework/Game.cs
var type = _game !.GetType();
var doInitializeMethod = _baseGameType.GetMethod(
"DoInitialize", BindingFlags.NonPublic | BindingFlags.Instance);
doInitializeMethod !.Invoke(_game, null);
var initializedField = _baseGameType.GetField(
"_initialized",
BindingFlags.NonPublic | BindingFlags.Instance);
initializedField !.SetValue(_game, true);
var beginRunMethod = type.GetMethod(
"BeginRun", BindingFlags.NonPublic | BindingFlags.Instance);
beginRunMethod !.Invoke(_game, null);
var gameTimerField = _baseGameType.GetField(
"_gameTimer", BindingFlags.NonPublic | BindingFlags.Instance);
gameTimerField !.SetValue(_game, Stopwatch.StartNew());
var doUpdateMethod = _baseGameType.GetMethod(
"DoUpdate", BindingFlags.NonPublic | BindingFlags.Instance);
doUpdateMethod !.Invoke(_game, new object[] { new GameTime() });
SDL2.SDL_ShowWindow(_game.Window.Handle);
}
public static int IMG_SavePNG(IntPtr surface, string file)
{
return(INTERNAL_IMG_SavePNG(
surface,
SDL2.UTF8_ToNative(file)
));
}
internal FileBasedAudioSource(string filePath, bool decodeWhole)
{
RwOpsHandle = SDL2.SDL_RWFromFile(filePath, "rb");
if (RwOpsHandle == IntPtr.Zero)
{
_log.Error($"Failed to initialize RWops from file: {SDL2.SDL_GetError()}");
return;
}
FileSourceHandle = SDL2_nmix.NMIX_NewFileSource(
RwOpsHandle,
Path.GetExtension(filePath).TrimStart('.'),
decodeWhole
);
if (FileSourceHandle == IntPtr.Zero)
{
_log.Error($"Failed to initialize audio source from file: {SDL2.SDL_GetError()}");
return;
}
unsafe
{
Handle = FileSource->source;
}
HookSourceCallback();
}
internal GraphicsManager(Game game, IntPtr sdlRendererHandle)
{
_log = LogManager.GetForCurrentAssembly();
_game = game;
SdlRendererHandle = sdlRendererHandle;
CreateVulkanInstance();
SDL2.SDL_Vulkan_CreateSurface(
_game.Window.SdlWindowHandle,
VulkanInstanceHandle,
out var surfacePtr
);
SdlVulkanSurfaceHandle = new UIntPtr(surfacePtr);
SdlVulkanSurface = (SurfaceKhr)typeof(SurfaceKhr).GetConstructor(
BindingFlags.NonPublic | BindingFlags.Instance,
null, Type.EmptyTypes, null
).Invoke(null);
typeof(SurfaceKhr).GetField("m", BindingFlags.Instance | BindingFlags.NonPublic)
.SetValue(SdlVulkanSurface, surfacePtr
);
var physDevs = VulkanInstance.EnumeratePhysicalDevices();
InitializeVulkan(physDevs[0], SdlVulkanSurface);
RenderContext = new RenderContext(game);
}
public static int IMG_SaveJPG(IntPtr surface, string file, int quality)
{
return(INTERNAL_IMG_SaveJPG(
surface,
SDL2.UTF8_ToNative(file),
quality
));
}
public void Seek(int milliseconds)
{
EnsureFileSourceHandleValid();
if (SDL2_nmix.NMIX_Seek(FileSourceHandle, milliseconds) < 0)
{
_log.Error($"Failed to seek to {milliseconds}ms: {SDL2.SDL_GetError()}");
}
}
public void Rewind()
{
EnsureFileSourceHandleValid();
if (SDL2_nmix.NMIX_Rewind(FileSourceHandle) < 0)
{
_log.Error($"Failed to rewind the requested audio source: {SDL2.SDL_GetError()}");
}
}
public static IntPtr IMG_LoadTexture(
IntPtr renderer,
string file
)
{
return(INTERNAL_IMG_LoadTexture(
renderer,
SDL2.UTF8_ToNative(file)
));
}
public static KernelModules Setup(KernelModules moduleTypes, object?param = null)
{
// Ignore any requested modules... MonoGame is all or nothing
SetGame(param);
InitializeReflectedMembers();
SDL2.LoadApi();
return(KernelModules.All);
}
public SDL2(Subsystems subsystems)
{
_subsystems = subsystems;
if (SDL_Init(_subsystems) < 0)
{
string message = $"SDL2 could not be initialized! SDL_Error: {SDL2.GetError()}";
throw new InitializationException(message);
}
}
public static string GetName(int playerIndex)
{
var controller = ControllerRegistry.Instance.GetControllerInfo(playerIndex);
if (controller == null)
{
return(null);
}
return(SDL2.SDL_GameControllerName(controller.InstancePointer));
}
private void ControllerDisconnected(Window owner, SDL2.SDL_Event ev)
{
var instance = SDL2.SDL_GameControllerFromInstanceID(ev.cdevice.which);
var controllerInfo = ControllerRegistry.Instance.GetControllerInfoByPointer(instance);
ControllerRegistry.Instance.Unregister(instance);
owner.Game.OnControllerDisconnected(
new ControllerEventArgs(controllerInfo)
);
}
public void Quit()
{
Audio.Dispose();
Content.Dispose();
SDL_mixer.Mix_Quit();
SDL_gpu.GPU_Quit();
SDL2.SDL_Quit();
Environment.Exit(0);
}
public static void Show(MessageBoxSeverity severity, string title, string message, Window owner = null)
{
if (SDL2.SDL_ShowSimpleMessageBox(
(SDL2.SDL_MessageBoxFlags)severity,
title,
message,
owner?.Handle ?? IntPtr.Zero
) < 0)
{
Log.Error($"Couldn't show message box: {SDL2.SDL_GetError()}");
}
}
public static IntPtr IMG_LoadTyped_RW(
IntPtr src,
int freesrc,
string type
)
{
return(INTERNAL_IMG_LoadTyped_RW(
src,
freesrc,
SDL2.UTF8_ToNative(type)
));
}
public static void AddMapping(string controllerMapping)
{
if (string.IsNullOrEmpty(controllerMapping))
{
_log.Warning("Tried to add a null or empty controller mapping.");
return;
}
if (SDL2.SDL_GameControllerAddMapping(controllerMapping) < 0)
{
_log.Error($"Failed to add a controller mapping: {SDL2.SDL_GetError()}.");
}
}
public static BatteryStatus GetBatteryLevel(int playerIndex)
{
var controller = ControllerRegistry.Instance.GetControllerInfo(playerIndex);
if (controller == null)
{
return(BatteryStatus.Unknown);
}
var joystickInstance = SDL2.SDL_GameControllerGetJoystick(controller.InstancePointer);
return((BatteryStatus)SDL2.SDL_JoystickCurrentPowerLevel(joystickInstance));
}
private static void InitializeSdlSystems()
{
Console.WriteLine("---");
Console.WriteLine("Initializing SDL2 core...");
SDL2.SDL_Init(BootConfig.SdlModules.SdlInitFlags);
if (BootConfig.EnableSdlGpuDebugging)
{
Console.WriteLine("Enabling SDL_gpu debugging...");
SDL_gpu.GPU_SetDebugLevel(SDL_gpu.GPU_DebugLevelEnum.GPU_DEBUG_LEVEL_MAX);
}
}
public static bool IsButtonPressed(int playerIndex, ControllerButton button)
{
var controller = ControllerRegistry.Instance.GetControllerInfo(playerIndex);
if (controller == null)
{
return(false);
}
return(SDL2.SDL_GameControllerGetButton(
controller.InstancePointer,
(SDL2.SDL_GameControllerButton)button
) > 0);
}
internal void Update()
{
var currentTime = SDL2.SDL_GetTicks();
if (currentTime - _lastTime > 1000)
{
FPS = _frameCount;
_lastTime = currentTime;
_frameCount = 0;
}
_frameCount++;
}
protected override void FreeNativeResources()
{
if (FileSourceHandle != IntPtr.Zero)
{
SDL2_nmix.NMIX_FreeFileSource(Handle);
FileSourceHandle = IntPtr.Zero;
}
if (RwOpsHandle != IntPtr.Zero)
{
SDL2.SDL_FreeRW(RwOpsHandle);
RwOpsHandle = IntPtr.Zero;
}
}
private void ControllerButtonReleased(Window owner, SDL2.SDL_Event ev)
{
var instance = SDL2.SDL_GameControllerFromInstanceID(ev.cbutton.which);
var controller = ControllerRegistry.Instance.GetControllerInfoByPointer(instance);
var button = (ControllerButton)ev.cbutton.button;
owner.Game.OnControllerButtonReleased(
new ControllerButtonEventArgs(
controller,
button
)
);
}
