//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="IEntity"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
//     
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//     
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using StgSharp.Geometries;
using StgSharp.Mathematics;
using StgSharp.Mathematics.Graphic;

using System;
using System.Collections.Generic;

namespace StgSharp
{
    public abstract class IEntity
    {

        protected uint _bornTick;
        internal Func<int, Vec3> _movHandler;
        internal LinkedList<PlainGeometry> _collisionBox;
        internal PlainGeometryCollisionSensor<PlainGeometry, PlainGeometry> _collisionSensor;
        internal Point _basePoint;
        internal Point _pos;
        internal Point _position;
        internal string _texture;

        /// <summary>
        ///   X position of an enenmy entity
        /// </summary>
        public float X { get; set; }

        /// <summary>
        ///   Y position of an enemy entity
        /// </summary>
        public float Y { get; set; }

        public LinkedList<PlainGeometry> CollisionBox
        {
            get => _collisionBox;
            set => _collisionBox = value;
        }

        /// <summary>
        ///   A sensor used for checking out if a bullet hit a player or something else
        /// </summary>
        public PlainGeometryCollisionSensor<PlainGeometry, PlainGeometry> CollisionSensor
        {
            get => _collisionSensor;
            set => _collisionSensor = value;
        }

        public string TextureGL { get; set; }

        /// <summary>
        ///   A 2D vector presenting the position of an enemy entity, position can also be visited
        ///   by X, Y
        /// </summary>
        public Vec2 Location { get; }

        public abstract void OnRenderFrame();

        public void SetLocation(Point p)
        {
            _pos = p;
        }

    }
}