//---------------------------------------------------------------------------------------------------------------------------------------------------
// <copyright file="GameScreen.cs" company="DarkWynter Studios">
//     Copyright (C)2007 DarkWynter Studios.  All rights reserved.
// </copyright>
//---------------------------------------------------------------------------------------------------------------------------------------------------
// {Contact : darkwynter.com for licensing information
//---------------------------------------------------------------------------------------------------------------------------------------------------

namespace ElementalGame
{
    #region Using Statements
    using System;
    using System.Collections.Generic;
    using Microsoft.Xna.Framework;
    using Microsoft.Xna.Framework.Graphics;
    #endregion

    // In-game Screen
    public class GameScreen
    {
        // Attributes:

        protected GameMenu menu;                    // Menu object
        protected Texture2D backgroundTexture;      // The background texture
        protected float backgroundAlpha = 1.0f;

        // Constructor
        public GameScreen()
        {
        }

        // Set the background texture
        public void SetBackground(Texture2D backgroundTexture)
        {
            this.backgroundTexture = backgroundTexture;
            backgroundAlpha = 1.0f;
        }

        public void SetBackground(Texture2D backgroundTexture, float alpha)
        {
            this.backgroundTexture = backgroundTexture;
            backgroundAlpha = alpha;
        }

        // Draw our game screen
        public void Draw(SpriteBatch spriteBatch)
        {
            // First draw the background texture if it is not null
            if (backgroundTexture != null)
            {
                spriteBatch.Draw(backgroundTexture,
                                 new Rectangle(0, 0, XML.SystemSettings.GAME_WINDOW_WIDTH, XML.SystemSettings.GAME_WINDOW_HEIGHT),
                                 new Color(255, 255, 255, (byte)(255 * backgroundAlpha)));
            }

            //now draw the menu elements
            menu.Draw(spriteBatch);
        }

        // Returns the menu
        public GameMenu GetMenu()
        {
            return menu;
        }
    }
}