using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace _01_30_2019
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

        }


        class Ship
        {
            private double ship_posX; // position X on map
            private double ship_posY; // position Y on map
            private int ship_heading; // current heading
            private int ship_speed_max; // max speed of a ship
            private int ship_current_speed; // current speed of a ship
            private string ship_class; // surface or submarine
            private string ship_foe; // friend or enemy?
            private string is_controllable; // is controllable by player?
            private int depth; // current depth of a submarine (if a submarine)

            public void move(int heading, int speed)
            {
                if (heading == 0)  ship_posY -= speed; // ship is heading NORTH
                if (heading == 45) // ship is heading NORTH-EAST
                {
                    ship_posX += speed;
                    ship_posY -= speed;
                }
                if (heading == 90) ship_posX += speed; // ship is heading EAST
                if (heading == 135) // ship is heading SOUTH-EAST
                {
                    ship_posX += speed;
                    ship_posY += speed;
                }
                if (heading == 180) ship_posY += speed; // ship is heading SOUTH
                if (heading == 225) // ship is heading SOUTH-WEST
                {
                    ship_posX -= speed;
                    ship_posY += speed;
                }
                if (heading == 270) ship_posX -= speed; // ship is heading WEST
                if (heading == 315) // ship is heading NORTH-WEST
                {
                    ship_posX -= speed;
                    ship_posY -= speed;
                }
            }

            public void create_ship(double posx, double posy)
            {
                ship_posX = posx;
                ship_posY = posy;
                // only a few parameters for now. Later will be name, speed_max, class, friend or foe and more
            }

        }

        private void Form1_Load(object sender, EventArgs e)
        {
            // forms load == game starts

            Ship[] submarine = new Ship[100];
            submarine[0].create_ship(140, 200); // create first ship with only two parameters: position X and Y on future map
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            submarine[0].move(90, 15); // ERROR: compiler shows "The name 'submarine' does not exist in the current context
        }
    }
}