using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using DarkWynter.Engine.Globals;
using DarkWynter.Engine.ObjectLib;
using DarkWynter.Engine.GameObjects;
using DarkWynter.Stream;


namespace DarkWynter.Engine.Init
{
    public class Load
    {
        /// <summary>
        /// Contains properties of the object that this Load belongs to.
        /// </summary>
        public XmlNode node;

        /// <summary>
        /// Postion of this object, cooresponding to its pixel stored in the LocationMap.
        /// </summary>
        public Vector4 startPosition;
        
        public Load(XmlNode objectNode, Vector4 startingLocation)
        {
            startPosition = startingLocation + Vector4.Zero;
            node = objectNode;
        }

        /// <summary>
        /// Load object data from Xml.
        /// </summary>
        /// <param name="objectLibrary">ObjectLibrary that this object belongs to.</param>
        /// <returns>True if load was successful</returns>
        public bool Load_Default(ObjectLibrary objectLibrary, GameObject gameObject, bool randomRotation)
        {
            // Start Type properties
            gameObject.mass.gameObjectPointer = gameObject;
            gameObject.objectModelName = node.Attributes["name"].Value;

            // Load model file
            if (!gameObject.LoadModel(node))
            {
                return false;
            }

            // Get terrain height at position
            float yPosition = objectLibrary.terrain.GetTerrainHeight(startPosition.X / Statics_Engine.TerrainSettings.terrainScaleFactor,
                                                                     startPosition.Z / Statics_Engine.TerrainSettings.terrainScaleFactor);

            // Set position and reference
            Vector3 locpos = new Vector3(startPosition.X, yPosition, startPosition.Z);
            Vector3 refpos = new Vector3(startPosition.X, yPosition, startPosition.Z - 1);
            gameObject.mass.SetPosition(locpos, refpos);

            // Random Rotation
            if (randomRotation)
            {
                Random rand = new Random();
                gameObject.mass.Rotate(0.0f, (float)(2 * Math.PI * rand.NextDouble()));
            }
            else
            {
                gameObject.mass.Rotate(0.0f, 0.0f);
            }

            // Scaling and weight
            gameObject.mass.scale = new Vector3((int)(float.Parse(node.Attributes["maxScale"].Value)));
            gameObject.mass.mass = float.Parse(node.Attributes["mass"].Value);
            gameObject.mass.isMoving = false;

            // Set GameObject properties
            gameObject.isCollectable = bool.Parse(node.Attributes["isCollectable"].Value);
            gameObject.isKey = bool.Parse(node.Attributes["isKey"].Value);

            // Is a level keys
            if (gameObject.isKey)
            {
                gameObject.collisionWithPlayerResponse = Enums_Engine.CollisionResponses.HEALTHBONUS;
            }

            return true;
        }

        //public Vector3 Load_Position(ObjectLibrary objectLibrary)
        //{

        //}
    
    }
}