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

namespace DarkWynter.Stream.PhysicsGpu
{
    #region Using Statements
    using System;
    using System.Collections.Generic;
    using Microsoft.Xna.Framework;
    using Microsoft.Xna.Framework.Content;
    using Microsoft.Xna.Framework.Graphics;
    #endregion

    /// <summary>
    /// ForceMap that simulates wind currents.
    /// Used in gpu physics.
    /// </summary>
    public class GpuWindMap
    {
        private Texture2D WindMap;                     // Texture holding "wind" currents

        /// <summary>
        /// Constructor for windMap.
        /// </summary>
        public GpuWindMap(){}

        /// <summary>
        /// Loads the wind map from file.
        /// </summary>
        /// <param name="windMapLocation">Path to windMap texture.</param>
        /// <param name="content">Content manager</param>
        public void Load(string windMapLocation, ContentManager content)
        {   
            // Load the ForceMap
            WindMap = content.Load<Texture2D>(windMapLocation);
        }
        /// <summary>
        /// Associates windMap with shader variable of same name.
        /// </summary>
        /// <param name="windMap">Shader Effect Parameter to save to.</param>
        public void SetWindMap(EffectParameter windMap)
        {
            windMap.SetValue(WindMap);
        }
    }
}