/*
 * GUICursor.cs
 * Authors: Mike DeMauro
 * Copyright (c) 2007-2008 Cornell University

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

using System;
using System.Collections.Generic;
using System.Text;
using tAC_Engine.GUI;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework;

namespace tAC_Engine.GUI
{
    /// <summary>
    /// Draws an image to 
    /// </summary>
    public class GUICursor : GUIComponent
    {
        /// <summary>
        /// Cursor texture
        /// </summary>
        protected Texture2D mCursor;

        /// <summary>
        /// Name of the cursor texture
        /// </summary>
        protected string mCursorTextureName = @"Textures/StandardCursor";

        /// <summary>
        /// Name of the cursor texture, default is "Textures/StandardCursor"
        /// </summary>
        public string CursorTextureName
        {
            get { return mCursorTextureName; }
            set { mCursorTextureName = value; }
        }

        /// <summary>
        /// Location of the cursor on the screen
        /// </summary>
        protected Vector2 mLocation = Vector2.Zero;

        public Vector2 Location
        {
            get { return mLocation; }
            set { mLocation = value; }
        }

        /// <summary>
        /// Loads cursor texture
        /// </summary>
        public override void LoadContent()
        {
            if (mParentScreen != null)
            {
                mCursor = mParentScreen.Content.Load<Texture2D>(mCursorTextureName);
            }

            base.LoadContent();
        }

        /// <summary>
        /// Draws cursor to screen.
        /// </summary>
        /// <param name="gameTime">Time of the game</param>
        public override void Draw(Microsoft.Xna.Framework.GameTime gameTime)
        {
           Batch.Draw(mCursor, mLocation, null, Color.White, mRotation, Vector2.Zero, 1f, mSpriteEffects, 1.0f);
        }

        /// <summary>
        /// Does nothing
        /// </summary>
        public override void Initialize()
        {

        }

        /// <summary>
        /// Updates cursor location
        /// </summary>
        /// <param name="gameTime">Time of the game</param>
        public override void Update(GameTime gameTime)
        {
            if (mParentScreen != null)
            {
                mLocation.X = mParentScreen.InputHandler.MouseLocation.X;
                mLocation.Y = mParentScreen.InputHandler.MouseLocation.Y;
            }
        }

        /// <summary>
        /// Does nothing, returns false
        /// </summary>
        public override bool HandleMouseEvent(Util.MouseInputEvent e)
        {
            return false;
        }

        /// <summary>
        /// Does nothing, returns false
        /// </summary>
        public override bool HandleKeyEvent(Util.KeyInputEvent e)
        {
            return false;
        }
    }
}