using System;
using System.Runtime.CompilerServices;

namespace BansheeEngine
{
    /// <summary>
    /// Base class for all components. Components represent primary logic elements in the scene. They are attached to 
    /// scene objects.
    /// </summary>
    public class Component : GameObject
    {
        // Internal use only
        protected Component()
        { }

        /// <summary>
        /// Returns the scene object this component is attached to.
        /// </summary>
        public SceneObject SceneObject
        {
            get { return Internal_GetSceneObject(mCachedPtr); }
        }

        [MethodImpl(MethodImplOptions.InternalCall)]
        internal static extern Component Internal_AddComponent(SceneObject parent, Type type);

        [MethodImpl(MethodImplOptions.InternalCall)]
        internal static extern Component Internal_GetComponent(SceneObject parent, Type type);

        [MethodImpl(MethodImplOptions.InternalCall)]
        internal static extern Component[] Internal_GetComponents(SceneObject parent);

        [MethodImpl(MethodImplOptions.InternalCall)]
        internal static extern Component Internal_RemoveComponent(SceneObject parent, Type type);

        [MethodImpl(MethodImplOptions.InternalCall)]
        internal static extern SceneObject Internal_GetSceneObject(IntPtr nativeInstance);
    }
}