/*
 * Entity.cs
 * Authors: Karl Orosz
 * Copyright (c) 2007-2008 Cornell University

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework;

namespace StarJack
{
    /// <summary>
    /// Base class for each entity 
    /// </summary>
    public class Entity
    {
        public static string mContentDirect = @"\Content\Texture";
		private static string mRootDirectory;

        public static string RootDirectory
        {
            get { return mRootDirectory; }
            set { mRootDirectory = value; }
        }

        /// <summary>
        /// The objects name
        /// </summary>
        protected string mName;
        public string Name
        {
            get { return mName; }
            set { mName = value; }
        }

        protected Color mColor = Color.White;
        public virtual Color Color { get { return mColor; }set{mColor = value;} }
           

        /// <summary>
        /// This is the sub folder or group of textures the entity will look for.
        /// </summary>
        protected string mGroup;
        public virtual string Group
        {
            get { return mGroup; }
            set
            {
                mGroupTextures = GroupTextureManager.GetGroupTexture(value);
                if (mGroupTextures == null)
                {
                    mGroup = null;
                }
                else
                {
                    mGroup = value;
                }
            }
        }

        protected Dictionary<string, TextureInfo> mGroupTextures;
        public Dictionary<string, TextureInfo> GroupTextures
        {
            get { return mGroupTextures; }
        }

        protected Animation mAnimation;
        public Animation MyAnimation
        {
            get { return mAnimation; }
            set { mAnimation = value; }
        }

        private TextureInfo mTexture;
        public TextureInfo Texture
        {
            get { return mTexture; }
            set
            {
                mTexture = value;
            }
        }

        public string TextureName
        {
            get { if (mTexture == null) { return null; } return mTexture.Name; }
            set
            {
                    if (mGroup != null)
                    {
                        if (mGroupTextures != null && mGroupTextures.Count > 0)
                        {
                            if (mGroupTextures.ContainsKey(value))
                            {
                                mTexture = mGroupTextures[value];
                            }
                        }
                        else
                        {
                            mTexture = new TextureInfo(value, mGroup);
                        }
                    }
                    else { mTexture = new TextureInfo(value); }
            }
        }

        protected Rectangle mDrawSpace;
        public Rectangle DrawSpace
        {
            get { return mDrawSpace; }
            set { mDrawSpace = value; }
        }

        /// <summary>
        /// X Position of the entity
        /// </summary>
        public virtual int X
        {
            get { return mDrawSpace.X; }
            set { mDrawSpace.X = value; }
        }

        /// <summary>
        /// Y position of the entity
        /// </summary>
        public virtual int Y
        {
            get  { return mDrawSpace.Y; }
            set { mDrawSpace.Y = value; }
        }

        protected float mDepth = Room.Depth.Tile;

        public virtual float Depth
        {
            get { return mDepth; }
            set { mDepth = value; }
        }

        /// <summary>
        /// Sets the width of the entity
        /// </summary>
        public virtual int Width
        {
            get { return mDrawSpace.Width; }
            set { mDrawSpace.Width = value; }
        }

        /// <summary>
        /// Sets the height of the entity
        /// </summary>
        public virtual int Height
        {
            get { return mDrawSpace.Height; }
            set { mDrawSpace.Height = value; }
        }

        //If objects collide with this tile
        bool collision = false;
        public bool Collision
        {
            get { return collision; }
            set { collision = value; }
        }

       

        protected float mRotation;
        public float Rotation
        {
            get { return mRotation; }
            set { mRotation = value; } 
        }

        public Entity(string name, String group)
        {
            mDrawSpace = new Rectangle(0, 0, 0, 0);
            mName = name;
            mGroup = group;
            TextureName = name;
        }

        public Entity(string name)
        {
            mDrawSpace = new Rectangle(0, 0, 0, 0);
            mName = name;
            mColor = Color.White;
        }

        public Entity()
        {
            mColor = Color.White;
        }

        public virtual void LoadContent(ContentManager content)
        {
            if (mGroupTextures != null && mGroupTextures.Count > 0)
            {
                foreach (String key in mGroupTextures.Keys)
                {
                    mGroupTextures[key].LoadContent(content);
                }
            }

            else if (mTexture != null && mGroup == null)
            {
                mTexture.LoadContent(content);
            }
        }

        public virtual void Update(GameTime time)
        {
            if (mAnimation != null && mAnimation.State != Animation.PlayState.None)
            {
                mAnimation.Update(time);
            }
        }

        public virtual void Draw(SpriteBatch pSpriteBatch)
        {
            if (mAnimation != null && mAnimation.State == Animation.PlayState.Playing)
            {
                //pSpriteBatch.Begin(SpriteBlendMode.AlphaBlend, SpriteSortMode.FrontToBack, SaveStateMode.None);
                pSpriteBatch.Draw(mAnimation.CurrentAnimation.SpriteSheet.Asset, mDrawSpace, mAnimation.TextureSource, mColor, 0.0f, Vector2.Zero, SpriteEffects.None, Depth);
                //pSpriteBatch.End();
            }
            else if (mTexture != null && mTexture.Asset != null)
            {
                //pSpriteBatch.Begin(SpriteBlendMode.AlphaBlend, SpriteSortMode.FrontToBack, SaveStateMode.None);
                pSpriteBatch.Draw(mTexture.Asset, mDrawSpace, mTexture.Source, mColor, 0.0f, Vector2.Zero, SpriteEffects.None, Depth);
                //pSpriteBatch.End();
            }
        }

        public virtual void Dispose(){
           // mTexture.Asset.Dispose();
        }
    }
}