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

namespace DarkWynterEngine.ObjectLib
{
    #region Using Statements
    using System;
    using System.Collections.Generic;
    using Microsoft.Xna.Framework;
    using Microsoft.Xna.Framework.Audio;
    using Microsoft.Xna.Framework.Content;
    using Microsoft.Xna.Framework.Graphics;
    using Microsoft.Xna.Framework.Input;
    using Microsoft.Xna.Framework.Storage;
    using System.Xml;
    #endregion

    using Globals;

    /// <summary>
    /// Store the name of the model, the texture map, the bump map and the actual model itself
    /// </summary>
    public struct ModelInfo
    {
        /// <summary>
        /// Name of the model
        /// </summary>
        public string subTypeName;
        /// <summary>
        /// Texture applied to the model
        /// </summary>
        public Texture2D currentTexture;
        /// <summary>
        /// Bump map texture to be applied
        /// </summary>
        public Texture2D bumpTexture;
        /// <summary>
        /// Actual model
        /// </summary>
        public Model model;
    }

    /// <summary>
    /// Manages all the the models loaded in game
    /// </summary>
    public class ModelManager
    {
        private List<ModelInfo> modelInfoList;
        private ModelInfo newModelInfo;

        /// <summary>
        /// Constructor
        /// </summary>
        public ModelManager()
        {
            modelInfoList = new List<ModelInfo>();
        }

        /// <summary>
        /// Retrieves model info from our list
        /// </summary>
        /// <param name="modelName">Name of the model</param>
        /// <returns>Model info</returns>
        public ModelInfo GetModelInfo(string modelName)
        {
            foreach (ModelInfo modelInfo in modelInfoList)
            {
                if (modelInfo.subTypeName == modelName)
                {
                    return modelInfo;
                }
            }

            return new ModelInfo();
        }

        /// <summary>
        /// Adds a new model to our model list
        /// </summary>
        /// <param name="newModelName">Name of the new model</param>
        /// <param name="newModel">The location on disk of the new model</param>
        /// <param name="newTexture">The texture to be applied</param>
        /// <param name="newBumpTexture">The bump map texture to be applied</param>
        /// <param name="newEffect">The Effect file used to render this model</param>
        /// <returns>True if model was successfully loaded</returns>
        public bool AddNewModel(string newModelName,
                                string newModel,
                                string newTexture,
                                string newBumpTexture)
        {
            // Catch if bad XML fileName
            try
            {

                // Its a new Model...
                newModelInfo = new ModelInfo();

                // ..so lets load it
                newModelInfo.subTypeName = newModelName;
                newModelInfo.model = Statics.SystemSettings.content.Load<Model>(newModel);
                newModelInfo.currentTexture = Statics.SystemSettings.content.Load<Texture2D>(newTexture);
                newModelInfo.bumpTexture = Statics.SystemSettings.content.Load<Texture2D>(newBumpTexture);

                // Apply our own advanced Effect to the Model
                foreach (ModelMesh mesh in newModelInfo.model.Meshes)
                {
                    for (int i = 0; i < mesh.MeshParts.Count; i++)
                    {
                        // Add effect to mesh
                        mesh.MeshParts[i].Effect = ShaderParameters.effect_draw;
                    }
                }

                modelInfoList.Add(newModelInfo);
                return true;
            }
            catch{
                Console.WriteLine("Error Loading Model: " + newModelName );
                return false;
            }
        }
    }
}