using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace MW2_Ultimate_Hacks
{
    public partial class Form1 : Form
    {
        ProcessManager ProcessManager;
        Bitmap Map;
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Graphics g;
            g = Graphics.FromImage(Map);

            Pen mypen = new Pen(Color.Black);

            g.DrawLine(mypen, 0, 0, 200, 150);

            pbMap.Image = Map;

            g.Dispose();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            // Setup the map
            Map = new Bitmap(pbMap.Size.Width, pbMap.Size.Height);
            pbMap.Image = Map;

            // Connect to the game's process
            ProcessManager = new ProcessManager("iw4x");

            // Start updating the local player's stats
            PlayerStatsTimer.Enabled = true;
        }

        /// <summary>
        /// Updates the local player's stats
        /// </summary>
        private void UpdatePlayerStats()
        {
            lblPlayerX.Text = ProcessManager.ReadFloatRelative((IntPtr)0x3F418C).ToString();
            lblPlayerY.Text = ProcessManager.ReadFloatRelative((IntPtr)0x3F4188).ToString();
            lblPlayerZ.Text = ProcessManager.ReadFloatRelative((IntPtr)0x3F4190).ToString();
            lblPlayerIncline.Text = ProcessManager.ReadFloatRelative((IntPtr)0x3F41AC).ToString();
            lblPlayerAzimuth.Text = ProcessManager.ReadFloatRelative((IntPtr)0x3F41B0).ToString();

            // this could be moved else where
            lblNumberOfPlayers.Text = ProcessManager.ReadIntRelative((IntPtr)0x3F741C).ToString();

            // Draw the map
            Graphics g;
            Bitmap old = new Bitmap(Map);
            g = Graphics.FromImage(Map);
            Pen player = new Pen(Color.Black);

            var x = ProcessManager.ReadFloatRelative((IntPtr)0x3F418C);
            var y = ProcessManager.ReadFloatRelative((IntPtr)0x3F4188);
            var azimuth = ProcessManager.ReadFloatRelative((IntPtr)0x3F41B0) + 180;

            // Scale to fit.
            x = x / 10;
            y = (y + 2000) / 10;

            var triangle = GenerateTriangle(x, y, azimuth);
            g.DrawPolygon(player, triangle);

            Map.RotateFlip(RotateFlipType.RotateNoneFlipXY);
            pbMap.Image = Map;
            Map = old;
            g.Dispose();
        }

        private void PlayerStatsTimer_Tick(object sender, EventArgs e)
        {
            UpdatePlayerStats();
        }

        private Point[] GenerateTriangle(float x, float y, float angle)
        {
            var width = 20;
            var height = 50;

            // Verticies of a triangle around origin.
            var triangle = new Point[]
            {
                new Point(-width/2, height/2),
                new Point(width/2, height/2),
                new Point(0, -height/2)
            };

            var rotationMatrix = new Matrix();
            rotationMatrix.Rotate(-angle);
            rotationMatrix.TransformPoints(triangle);

            var translationMatrix = new Matrix();
            translationMatrix.Translate(x, y);
            translationMatrix.TransformPoints(triangle);

            return triangle;
        }
    }
}