public SdlRenderer()
{
SDL.Init(InitFlags.Video);
_window = SDL.CreateWindow(".NET Core SDL2-CS Tutorial", SDL.WINDOWPOS_CENTERED, SDL.WINDOWPOS_CENTERED, 1024, 768, WindowFlags.Resizable);
_renderer = SDL.CreateRenderer(_window, -1, RendererFlags.Accelerated);
this.blockSize = 20;
}
/// <summary>
/// Creates a new window and attaches it to the current context.
/// </summary>
/// <param name="caption">The window's caption text.</param>
/// <param name="x">The x-coordinate at which to position the window's top-left corner.</param>
/// <param name="y">The y-coordinate at which to position the window's top-left corner.</param>
/// <param name="width">The width of the window's client area in pixels.</param>
/// <param name="height">The height of the window's client area in pixels.</param>
/// <param name="flags">A set of WindowFlags values indicating how to create the window.</param>
/// <returns>The Ultraviolet window that was created.</returns>
public IUltravioletWindow Create(String caption, Int32 x, Int32 y, Int32 width, Int32 height, WindowFlags flags = WindowFlags.None)
{
var sdlflags = SDL_WindowFlags.OPENGL;
if (Ultraviolet.SupportsHighDensityDisplayModes)
{
sdlflags |= SDL_WindowFlags.ALLOW_HIGHDPI;
}
if ((flags & WindowFlags.Resizable) == WindowFlags.Resizable)
{
sdlflags |= SDL_WindowFlags.RESIZABLE;
}
if ((flags & WindowFlags.Borderless) == WindowFlags.Borderless)
{
sdlflags |= SDL_WindowFlags.BORDERLESS;
}
if ((flags & WindowFlags.Hidden) == WindowFlags.Hidden)
{
sdlflags |= SDL_WindowFlags.HIDDEN;
}
else
{
sdlflags |= SDL_WindowFlags.SHOWN;
}
var sdlptr = SDL.CreateWindow(caption ?? String.Empty, x, y, width, height, sdlflags);
if (sdlptr == IntPtr.Zero)
{
throw new SDL2Exception();
}
var win = new OpenGLUltravioletWindow(Ultraviolet, sdlptr);
windows.Add(win);
Ultraviolet.Messages.Subscribe(win, SDL2UltravioletMessages.SDLEvent);
OnWindowCreated(win);
return(win);
}
public override void Init(string title, int width, int height)
{
//Initialize SDL
var initFlags = SubSystem.Video | SubSystem.Timer | SubSystem.Events | SubSystem.Joystick | SubSystem.Haptic;
if (SDL.Init(initFlags) != 0)
{
SDL.Quit();
throw new Exception(SDL.GetError());
}
//OpenGL attributes
SDL.GLSetAttribute(GLAttr.ContextMajorVersion, 3);
SDL.GLSetAttribute(GLAttr.ContextMinorVersion, 3);
SDL.GLSetAttribute(GLAttr.ContextProfileMask, (int)GLContextProfile.Core);
SDL.GLSetAttribute(GLAttr.ContextFlags, (int)GLContextFlag.ForwardCompatible);
SDL.GLSetAttribute(GLAttr.DoubleBuffer, 1);
//SDL.GLSetAttribute(GLAttr.MultisampleBuffers, 1);
//SDL.GLSetAttribute(GLAttr.MultisampleSamples, 3);
//Create the window
var windowFlags = WindowFlags.Shown | WindowFlags.OpenGL | WindowFlags.AllowHighDpi;// | WindowFlags.Resizable;
window = SDL.CreateWindow(title, SDL.WindowPosCentered, SDL.WindowPosCentered, width, height, windowFlags);
if (!window)
{
SDL.Quit();
throw new Exception(SDL.GetError());
}
windowID = SDL.GetWindowID(window);
//Create the OpenGL context
context = SDL.GLCreateContext(window);
if (!context)
{
SDL.Quit();
throw new Exception(SDL.GetError());
}
SDL.GLMakeCurrent(window, context);
SetVSync(true);
}
public Sdl2NativeWindow(int x, int y, int width, int height,
string title, GameWindowFlags options, DisplayDevice device)
{
lock (sync)
{
SDL.DisableScreenSaver();
var bounds = device.Bounds;
var flags = TranslateFlags(options);
flags |= WindowFlags.OPENGL;
flags |= WindowFlags.HIDDEN;
if (Toolkit.Options.EnableHighResolution)
{
flags |= WindowFlags.ALLOW_HIGHDPI;
}
if ((flags & WindowFlags.FULLSCREEN_DESKTOP) != 0 ||
(flags & WindowFlags.FULLSCREEN) != 0)
{
window_state = WindowState.Fullscreen;
}
if ((flags & WindowFlags.RESIZABLE) == 0)
{
window_border = WindowBorder.Fixed;
}
IntPtr handle;
lock (SDL.Sync)
{
handle = SDL.CreateWindow(title, bounds.Left + x, bounds.Top + y, width, height, flags);
exists = true;
}
ProcessEvents();
window = new Sdl2WindowInfo(handle, null);
window_id = SDL.GetWindowID(handle);
windows.Add(window_id, this);
}
}
public Window(string title, int left, int top, int width, int height, SDL.SDL_WindowFlags flags, bool createRenderer = false)
{
this.Title = title;
this.Left = left;
this.Top = top;
this.Width = width;
this.Height = height;
this.Flags = flags;
this.IntPtr = SDL.CreateWindow(title, left, top, width, height, flags);
if (createRenderer)
{
//IntPtr windowIntPtr;// = new IntPtr();
//IntPtr rendrerIntPtr;// = new IntPtr();
//var rv=SDL.CreateWindowAndRenderer(width, height, SDL.SDL_WindowFlags.SDL_WINDOW_SHOWN, out windowIntPtr, out rendrerIntPtr);
//if (Convert.ToBoolean(windowIntPtr.ToInt64()) && Convert.ToBoolean(rendrerIntPtr.ToInt64()))
//{
//this.Renderer = new Renderer() { IntPtr = rendrerIntPtr };//
this.Renderer = (Renderer)SDL.CreateRenderer(this.IntPtr, 0, SDL.SDL_RendererFlags.SDL_RENDERER_ACCELERATED);
//}
}
}
/// <summary>
/// Sets up a window and enters the gameloop. (Code after this call won't run until the game has exited.)
/// </summary>
public static void Run(float speed = 100f)
{
SDL.Init(SDL.InitFlags.EVERYTHING);
IMG.Init(IMG.InitFlags.EVERYTHING);
Mix.Init(Mix.InitFlags.EVERYTHING);
TTF.Init();
//open window
SDL.SetHint(SDL.HINT_RENDER_VSYNC, "1");
SDL.SetHint(SDL.HINT_RENDER_SCALE_QUALITY, "2");
WindowHandle = SDL.CreateWindow("HatlessEngine", SDL.WINDOWPOS_UNDEFINED, SDL.WINDOWPOS_UNDEFINED, 800, 600, SDL.WindowFlags.WINDOW_SHOWN | SDL.WindowFlags.WINDOW_RESIZABLE | SDL.WindowFlags.WINDOW_INPUT_FOCUS);
RendererHandle = SDL.CreateRenderer(WindowHandle, -1, (uint)(SDL.RendererFlags.RENDERER_ACCELERATED | SDL.RendererFlags.RENDERER_PRESENTVSYNC));
SDL.SetRenderDrawBlendMode(RendererHandle, SDL.BlendMode.BLENDMODE_BLEND);
Window.SetIcon();
//add default view that spans the current window
new View("default", new Rectangle(Point.Zero, Window.Size), new Rectangle(Point.Zero, new Point(1f, 1f)));
//initialize audio system and let Resources handle sound expiration
Mix.OpenAudio(44100, SDL.AUDIO_S16SYS, 2, 4096);
Mix.AllocateChannels((int)(speed * 2)); //might want to dynamically create and remove channels during runtime
Mix.ChannelFinished(new Mix.ChannelFinishedDelegate(Resources.SoundChannelFinished));
Mix.HookMusicFinished(new Mix.MusicFinishedDelegate(Resources.MusicFinished));
//initialize loop
StepsPerSecond = speed;
Running = true;
if (Started != null)
{
Started(null, EventArgs.Empty);
}
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
//do a step before the first draw can occur
Step();
long lastStepTick = 0;
long lastDrawTick = 0;
long lastStepTime = 0;
long lastDrawTime = 0;
while (Running)
{
//perform step when needed
if (stopWatch.ElapsedTicks >= lastStepTick + TicksPerStep)
{
if (CatchUpSteps)
{
lastStepTick = lastStepTick + TicksPerStep;
}
else
{
lastStepTick = stopWatch.ElapsedTicks;
}
Step();
_ActualSPS = (int)(Stopwatch.Frequency / (stopWatch.ElapsedTicks - lastStepTime));
lastStepTime = stopWatch.ElapsedTicks;
}
//perform draw when ready for a new one
if (!RenderframeReady && Running && stopWatch.ElapsedTicks >= lastDrawTick + TicksPerDraw)
{
lastDrawTick = lastDrawTick + TicksPerDraw;
Draw();
_ActualFPS = (int)(Stopwatch.Frequency / (stopWatch.ElapsedTicks - lastDrawTime));
lastDrawTime = stopWatch.ElapsedTicks;
}
}
//cleanup and uninitialization
Resources.UnloadAllExternalResources();
Log.CloseAllStreams();
Input.CloseGamepads();
SDL.DestroyWindow(WindowHandle);
WindowHandle = IntPtr.Zero;
SDL.DestroyRenderer(RendererHandle);
RendererHandle = IntPtr.Zero;
Mix.CloseAudio();
SDL.Quit();
IMG.Quit();
Mix.Quit();
TTF.Quit();
}
/// <summary>
/// Initializes the context's primary window.
/// </summary>
/// <param name="configuration">The Ultraviolet Framg</param>
private void InitializePrimaryWindow(OpenGLUltravioletConfiguration configuration)
{
// Retrieve the caption for our window.
var caption = Localization.Strings.Contains("WINDOW_CAPTION") ?
Localization.Get("WINDOW_CAPTION") : UltravioletStrings.DefaultWindowCaption.Value;
// Set the OpenGL attributes for the window we're about to create.
if (SDL.GL_SetAttribute(SDL_GLattr.MULTISAMPLEBUFFERS, configuration.MultiSampleBuffers) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.MULTISAMPLESAMPLES, configuration.MultiSampleSamples) < 0)
{
throw new SDL2Exception();
}
// If we're running on Android, we can't create a headless context.
var isRunningOnAndroid = (Ultraviolet.Platform == UltravioletPlatform.Android);
if (isRunningOnAndroid && configuration.Headless)
{
throw new InvalidOperationException(OpenGLStrings.CannotCreateHeadlessContextOnAndroid);
}
// Initialize the hidden master window used to create the OpenGL context.
var masterWidth = 0;
var masterHeight = 0;
var masterFlags = SDL_WindowFlags.OPENGL;
if (isRunningOnAndroid)
{
masterFlags |= SDL_WindowFlags.FULLSCREEN | SDL_WindowFlags.RESIZABLE;
}
else
{
masterFlags |= SDL_WindowFlags.HIDDEN;
}
// Attempt to create the OpenGL window. If that fails, reduce our requirements and try again before failing.
var masterptr = SDL.CreateWindow(isRunningOnAndroid ? caption : String.Empty, 0, 0, masterWidth, masterHeight, masterFlags);
if (masterptr == IntPtr.Zero)
{
if (SDL.GL_SetAttribute(SDL_GLattr.MULTISAMPLEBUFFERS, 0) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.MULTISAMPLESAMPLES, 0) < 0)
{
throw new SDL2Exception();
}
masterptr = SDL.CreateWindow(isRunningOnAndroid ? caption : String.Empty, 0, 0, masterWidth, masterHeight, masterFlags);
if (masterptr == IntPtr.Zero)
{
throw new SDL2Exception();
}
}
this.master = new OpenGLUltravioletWindow(Ultraviolet, masterptr);
// Set SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT so that enlisted windows
// will be OpenGL-enabled and set to the correct pixel format.
if (!SDL.SetHint(SDL_Hint.VIDEO_WINDOW_SHARE_PIXEL_FORMAT, masterptr.ToStringHex()))
{
throw new SDL2Exception();
}
// If this is not a headless context, create the primary application window.
if (!configuration.Headless)
{
if (isRunningOnAndroid)
{
this.windows.Add(this.master);
DesignatePrimary(this.master);
}
else
{
var flags = configuration.WindowIsVisible ? WindowFlags.None : WindowFlags.Hidden;
if (configuration.WindowIsResizable)
{
flags |= WindowFlags.Resizable;
}
if (configuration.WindowIsBorderless)
{
flags |= WindowFlags.Borderless;
}
var primary = Create(caption,
configuration.InitialWindowPosition.X,
configuration.InitialWindowPosition.Y,
configuration.InitialWindowPosition.Width,
configuration.InitialWindowPosition.Height, flags);
DesignatePrimary(primary);
}
}
}
public Window(string title, int x, int y, int w, int h)
{
ThrowIfFailed(SDL.InitSubSystem(SDL_InitFlags.SDL_INIT_VIDEO));
WindowPtr = SDL.CreateWindow(title, x, y, w, h, 0);
ThrowIfFailed(WindowPtr);
}
