protected override void OnLoad(EventArgs e)
{
// Initialize GL State
GPUCapabilities.Initialize();
GL.ClearColor(0.25f, 0.25f, 0.25f, 1.0f);
// Set up PackageManager
PackageManager.BasePath = "../../Assets/";
// Initialize camera. Rest is in OnResize()
orthoCamera = new Camera(this);
orthoCamera.SetAsCurrent();
// Load shaders
ShaderManager.LoadCollection("Shaders/collection.xml");
// Initialize batch and atlas manager
spriteBatch = new SpriteBatch();
sam = new SpriteAtlasManager();
// Temporary example until editor gets sprite support
// Uncomment to regenerate sprite file
//GenerateSpriteFile();
// Get the sprite atlas
spaceShips = sam.Get("Sprites/SpaceShips.spr", true);
// Get sprite by ID (slow operation, cache result on load)
spaceShip = spaceShips["PlayerBlue1"];
}
public void Draw(Sprite sprite, Vector2 position, Vector2 size, float rotation, Vector4 color)
{
/*if(current.PremultipliedAlpha)
{
color.X *= color.W;
color.Y *= color.W;
color.Z *= color.W;
}*/
uint baseIndex = (uint)queue.Count;
for (int i = 0; i < sprite.Vertices.Length; i++)
{
queue.Add(new SpriteRenderData()
{
Vertex = sprite.Vertices[i],
UV = sprite.TextureCoordinates[i],
Position = new Vector3(position),
Size = size * sprite.Size,
Rotation = rotation,
Color = color
});
}
for (int i = 0; i < sprite.Indices.Length; i++)
{
indices.Add(baseIndex + sprite.Indices[i]);
}
}
