using Chernobyl.Graphics.Polygon.Buffers;

namespace Chernobyl.Graphics.Xna.Controllers
{
    /// <summary>
    /// An interface for types that contain XNA buffers.
    /// </summary>
    public interface IXnaBuffer : IBuffer
    {
        /// <summary>
        /// Sets the XNA buffer onto the XNA graphics device or graphics card.
        /// Applies the buffers state so that it can be rendered.
        /// </summary>
        void Apply();

        /// <summary>
        /// Passes this XNA buffer to the render passed in so the render takes
        /// into account the data of the buffer.
        /// </summary>
        /// <param name="render">The render that should know about this buffer.</param>
        void SetRender(XnaRender render);
    }
    /// <summary>
    /// The base class for all XNA buffer types.
    /// </summary>
    /// <typeparam name="TData">The type of data that is going to be stored in
    /// the buffer like ints, floats, shorts, a custom mesh element type, etc.</typeparam>
    public abstract class XnaBuffer<TData> : Buffer<TData>, IXnaBuffer where TData : struct
    {
        /// <summary>
        /// Sets the XNA buffer onto the XNA graphics device or graphics card.
        /// Applies the buffers state so that it can be rendered.
        /// </summary>
        public abstract void Apply();

        /// <summary>
        /// Passes this XNA buffer to the render passed in so the render takes
        /// into account the data of the buffer.
        /// </summary>
        /// <param name="render">The render that should know about this buffer.</param>
        public abstract void SetRender(XnaRender render);
    }
}