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

namespace DarkWynterEngine.GameObjects
{
    #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;
    using System.Diagnostics;
    #endregion

    using Globals;
    using ObjectLib;
    using GameObjects;

    /// <summary>
    /// Represents a single object with physics being computed on the Gpu.
    /// </summary>
    public class GpuObject : GameObject
    {
        /// <summary>
        /// GpuObject constructor.
        /// </summary>
        public GpuObject()
        {
            mass.objectType = Enums.ObjectType.GPU_OBJECT;
        }

        /// <summary>
        /// Override Load function.
        /// </summary>
        /// <param name="node">Xml node containing this objects xml data.</param>
        /// <param name="objectLibrary">ObjectLibrary this object belongs to.</param>
        /// <returns>True if loaded correctly.</returns>
        public override bool Load(XmlNode node, ObjectLibrary objectLibrary)
        {
            if (!base.Load(node, objectLibrary))
            {
                return false;
            }
            return true;
        }

        /// <summary>
        /// Override Update function
        /// </summary>
        /// <param name="objectLibrary">ObjectLibrary this object belongs to.</param>
        public override void Update(ref ObjectLibrary objectLibrary)
        {
            base.Update(ref objectLibrary);
        }

        /// <summary>
        /// Override Draw function
        /// </summary>
        /// <param name="modelManager">ModelManager containing this objects model info.</param>
        /// <param name="technique">Shader technique to draw this object with.</param>
        public override void Draw(ModelManager modelManager, string technique)
        {
            // Lighting
            ShaderParameters.shininess.SetValue(7000.0f);

            // Calculate ObjectSpace(Rotation) and WorldSpace(Translation) Transformation Matrix
            matrix = Matrix.CreateScale(mass.scale) *
                     Matrix.CreateFromQuaternion(mass.currentRotation) *
                     Matrix.CreateTranslation(mass.currentPosition);

            // Matricies
            ShaderParameters.World.SetValue(matrix);

            ModelInfo modelInfo = modelManager.GetModelInfo(objectModelName);

            // Load resources for that catagory
            ShaderParameters.modelTexture1.SetValue(modelInfo.currentTexture);
            ShaderParameters.bumpTexture1.SetValue(modelInfo.bumpTexture);

            base.DrawTriStrips(model, "BasicLightingShaderMain");
        }
    }
}