public static void Initialize(GameWindow gameWindow)
{
window = gameWindow;
keysPressedLast = new List<Key>();
keysPressed = new List<Key>();
mousePressedLast = new List<MouseButton>();
mousePressed = new List<MouseButton>();
window.Keyboard.KeyDown += Keyboard_KeyDown;
window.Keyboard.KeyUp += Keyboard_KeyUp;
window.Mouse.ButtonDown += Mouse_ButtonDown;
window.Mouse.ButtonUp += Mouse_ButtonUp;
#region Create dot texture
{
int id = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, id);
Bitmap bmp = new Bitmap(1, 1);
bmp.SetPixel(0, 0, Color.White);
BitmapData bmpData = bmp.LockBits(new Rectangle(0, 0, 1, 1), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba,
1, 1, 0, OpenTK.Graphics.OpenGL.PixelFormat.Bgra,
PixelType.UnsignedByte, bmpData.Scan0);
dot = new Texture2D("dot", id, 1, 1);
bmp.UnlockBits(bmpData);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMinFilter.Linear);
}
#endregion
}
public static Texture2D LoadTexture(string filename, bool pixelated = true)
{
if (String.IsNullOrEmpty(filename))
{
throw new ArgumentException(filename);
return new Texture2D();
}
if (!System.IO.File.Exists(filename))
{
throw new ArgumentException(filename);
return new Texture2D();
}
int id = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, id);
Bitmap bmp = new Bitmap(filename);
BitmapData bmpData = bmp.LockBits(
new Rectangle(0, 0, bmp.Width, bmp.Height),
ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba,
bmpData.Width, bmpData.Height, 0, OpenTK.Graphics.OpenGL.PixelFormat.Bgra,
PixelType.UnsignedByte, bmpData.Scan0);
Texture2D tex = new Texture2D(filename, id, bmp.Width, bmp.Height);
bmp.UnlockBits(bmpData);
//We haven't unloaded mipmaps, so disavle mipmapping (otherwise the texture will not appear).
//On newer video cards, we can use GL.GenerateMipmaps() of GL.Ext.GenerateMipmaps() to create
//mipmaps automatically. In that case, use TextureMinFilter.LinearMipmapLinear to enable them.
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, pixelated ? (int)TextureMinFilter.Nearest : (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, pixelated ? (int)TextureMinFilter.Nearest : (int)TextureMinFilter.Linear);
return tex;
}