Develop Reference

Change GameWindow startup color to something else than default white?

When you instantiate a new GameWindow, its background color is white, I would like to change it to black for instance.
The problem is further visible if you have a long initialization sequence happening.
The closest I could get is to set clear color in constructor then swap but it ain't perfect.
using System.Drawing;
using OpenTK.Graphics.OpenGL;
using OpenTK.Mathematics;
using OpenTK.Windowing.Common;
using OpenTK.Windowing.Desktop;
internal static class Program
{
private static void Main(string[] args)
{
var gws = new GameWindowSettings();
var nws = new NativeWindowSettings
{
Size = new Vector2i(320, 240)
};
using (var game = new Game(gws, nws))
{
game.Run();
}
}
}
internal class Game : GameWindow
{
public Game(GameWindowSettings gameWindowSettings, NativeWindowSettings nativeWindowSettings)
: base(gameWindowSettings, nativeWindowSettings)
{
// close but still shows a white background at startup for some time
GL.ClearColor(Color.Red);
GL.Clear(ClearBufferMask.ColorBufferBit);
Context.SwapBuffers();
}
protected override void OnLoad()
{
base.OnLoad();
GL.ClearColor(Color.Green);
}
protected override void OnRenderFrame(FrameEventArgs args)
{
base.OnRenderFrame(args);
GL.Clear(ClearBufferMask.ColorBufferBit);
Context.SwapBuffers();
}
protected override void OnResize(ResizeEventArgs e)
{
base.OnResize(e);
GL.Viewport(0, 0, e.Width, e.Height);
}
}
Question:
How to get GameWindow to use another color than white when it's first shown?

How can I use a wrapper in my Visual Studio project?

I want to use this wrapper in MonoGame but I get an error message if I use the code from the wrapper website.
Wrapper StatsIO
I downloaded the wrapper project and added the project to my solution in Visual Studio. After that, I created a reference from my project to the wrapper project.
Then, I copied this code to my project:
var client = new StatsIOClient("Client-ID", "Client-Secret");
await client.Statistics.CreateAsync("Stats-Id", "Username");
But something went wrong, because I get these error message:
Error CS1501: No overload for method 'CreateAsync' takes 2 arguments
(CS1501)
What is wrong with the code? How can I use the wrapper project in my Visual Studio project to send and receive leaderboard scores?
Dropbox link to my Visual Studio project: my project
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using StatsIO.Objects;
using StatsIO;
namespace LeaderboardTest
{
public class Game1 : Game
{
GraphicsDeviceManager graphics;
SpriteBatch spriteBatch;
public async void NewClient()
{
var client = new StatsIOClient("Client-ID", "Client-Secret");
await client.Statistics.CreateAsync("Stats-Id", "Username");
}
public Game1()
{
graphics = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
graphics.IsFullScreen = true;
}
protected override void Initialize()
{
base.Initialize();
}
protected override void LoadContent()
{
spriteBatch = new SpriteBatch(GraphicsDevice);
NewClient();
}
protected override void Update(GameTime gameTime)
{
base.Update(gameTime);
}
protected override void Draw(GameTime gameTime)
{
graphics.GraphicsDevice.Clear(Color.CornflowerBlue);
base.Draw(gameTime);
}
}
}

Calling a method from every class that implements an interface

I'm working on a game engine. Now assume we have a Game class:
using System;
using OpenTK;
using OpenTK.Graphics.OpenGL;
using System.Drawing;
using static OpenTK.Graphics.OpenGL.GL;
namespace Test2
{
class Game : GameWindow
{
public Game(int width, int height)
:base(width, height)
{
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
}
protected override void OnUpdateFrame(FrameEventArgs e)
{
base.OnUpdateFrame(e);
}
protected override void OnRenderFrame(FrameEventArgs e)
{
base.OnRenderFrame(e);
}
}
}
And we have a medium in which to call a method for every frame.
Now assume the person creating a game, creates a file called ball_behaviour script:
using System;
using System.Drawing;
namespace Test2.Project.Behaviour
{
class Ball
{
public void Update()
{
}
public void init()
{
A2D.Background = Color.CornflowerBlue;
}
public void preInit()
{
}
}
}
And assume there are other files like it, which have the methods Update, and init. How can I call these methods from protected override void OnRenderFrame for example, in every class that's registered under Test2.Project.Behaiviour namespace? Thank you so much in advanced.
EDIT:The GameWindow class comes from OpenTK, which is the API I'm using to interface c# with OpenGL.
EDIT #2: Kind of like the way Unity does it.

you could use a virtual void that you than override which would be easier and faster to implement,have done this thing yesterday

Refocus main window after closing OpenFileDialog in Monogame

I have the user select a file using an OpenFileDialog. After the file is selected, and the dialog is closed, the main window is the last application when alt-tabbing. I want to have the main window regain focus and be on the foreground without having to alt+tab to it after closing the dialog window. Is this possible and if so how?
public class Game1 : Game
{
GraphicsDeviceManager graphics;
SpriteBatch spriteBatch;
Class1 c1;
public Game1()
{
graphics = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
}
protected override void Initialize()
{
c1 = c1.Instance;
base.Initialize();
}
protected override void LoadContent()
{
spriteBatch = new SpriteBatch(GraphicsDevice);
c1.Load(Content);
c1.GetFile();
}
}
public sealed class Class1
{
private static Class1 _instance = null;
private static readonly object _padlock = new object();
private Class1()
{
}
public static Class1 Instance
{
get
{
lock (_padlock)
{
if (_instance == null)
{
_instance = new Class1();
}
return _instance;
}
}
}
public void GetFile()
{
string path;
OpenFileDialog ofdSelectLayout = new OpenFileDialog();
if(ofdSelectLayout.ShowDialog() == DialogResult.OK)
{
path = ofdSelectLayout.FileName;
}
//some code
}
public void Load(ContentManager content)
{
//Loading some textures
}
}

I thought there would be an simple method for it. (like Game.IsActive, which only checks if the game is out of focus)
After a while, I've found this one around, you can place it in the method where the FileDialog is closing:
using System.Windows.Forms;
Form myForm = (Form)Form.FromHandle(this.Window.Handle);
myForm.Activate();
This however does use System.Windows.Forms, and that means that your game have to be Windows-exclusive for it. But if you're working in Windows Forms, you can see it as a workaround for now.

How do you call in Libraries correctly?

I've looked around a lot.. and I haven't found anything to help me out.
This is the outcome I am looking for:
I am using XNA Game Studio 4.0, and I want to create my own library to use when making my game, so I don't have to rewrite code that I have previously used over and over every time I want to make a new game. So, I want to call in a library as a reference. My Library:
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;
namespace iRaaptorLibraryXNA
{
public class XNALibrary
{
public static void consolePrint(string text)
{
var timeStamp = System.DateTime.Now.ToString(#"hh:mm:ss tt");
Console.WriteLine("[" + timeStamp + "] CONSOLE: " + text);
}
}
}
I use the consolePrint function a lot while debugging.
For example, if I wanted to print a line to show success, I'd like to be able to type
consolePrint("SUCCESS!")
and that prints it to console. I DONT want to have to repeatedly type in:
XNALibraryXNA.consolePrint("SUCCESS!");
I want to shorten it to just
consolePrint("SUCCESS!");
Here is my game code:
using iRaaptorLibraryXNA;
namespace xnaFun
{
public class Game1 : Microsoft.Xna.Framework.Game
{
GraphicsDeviceManager graphics;
SpriteBatch spriteBatch;
public Game1()
{
graphics = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
}
protected override void Initialize()
{
base.Initialize()
XNALibrary.consolePrint("Initialized!");
}
protected override void LoadContent()
{
iRaaptorLibraryXNA.consolePrint("Loading content!"); // DOES PRINT TO CONSOLE
spriteBatch = new SpriteBatch(GraphicsDevice);
}
etc......
I hope I included enough information. ~iRaaptor
TL;DR I want to shorten
XMALibrary.consolePrint("text");
to
consolePrint("text");

Add this class to your library:
public class BaseGame : Microsoft.Xna.Framework.Game
{
protected void consolePrint(string message)
{
XNALibrary.consolePrint("Initialized!");
}
}
Your game class can then inherit from the basegame and use the consolePrint method:
public class MyGame : BaseGame
{
protected override void Initialize()
{
base.Initialize()
consolePrint("Initialized!");
}
}