D2R-MH/OverlayForm.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using static app.MapAreaStruc;

namespace app
{
    public partial class OverlayForm : Form
    {
        public int Scale = 9;

        public Form1 Form1_0;

        private Pen redPen = new Pen(Color.FromArgb(150, 255, 0, 0), 2);
        private Pen yellowPen = new Pen(Color.FromArgb(150, 255, 255, 0), 2);
        private Pen greenPen = new Pen(Color.FromArgb(150, 0, 255, 0), 2);
        private Pen orangePen = new Pen(Color.FromArgb(150, 255, 95, 0), 2);
        private Pen bluePen = new Pen(Color.FromArgb(150, 0, 0, 255), 2);
        private Pen cyanPen = new Pen(Color.FromArgb(150, 0, 255, 255), 2);
        public List<System.Drawing.Point> MobsPoints = new List<System.Drawing.Point>();
        public List<System.Drawing.Point> GoodChestsPoints = new List<System.Drawing.Point>();
        public List<System.Drawing.Point> WPPoints = new List<System.Drawing.Point>();
        public List<System.Drawing.Point> ExitPoints = new List<System.Drawing.Point>();

        public bool ScanningOverlayItems = true;


        public OverlayForm(Form1 form1_1)
        {
            Form1_0 = form1_1;

            InitializeComponent();

            // Set up the form as a transparent overlay
            this.FormBorderStyle = FormBorderStyle.None;
            this.BackColor = Color.LimeGreen;
            this.TransparencyKey = Color.LimeGreen;
            this.TopMost = true;
            this.StartPosition = FormStartPosition.Manual;
            this.Location = new System.Drawing.Point(0, 0);
            this.ShowInTaskbar = false;
            this.Size = new System.Drawing.Size(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
        }

        public void SetAllOverlay()
        {
            if (ScanningOverlayItems)
            {
                //DateTime StartScanTime = DateTime.Now;
                SetAllGoodChestNearby();
                SetAllMonsterNearby();
                SetAllWPNearby();
                SetAllExitNearby();

                UpdateOverlay();

                //TimeSpan UpdatingDisplayTime = DateTime.Now - StartScanTime;

                //stop scanning too much lags!! (->> issue fixed!)
                //if (UpdatingDisplayTime.TotalMilliseconds > 160) ScanningOverlayItems = false;
            }
            else
            {
                GoodChestsPoints = new List<System.Drawing.Point>();
                MobsPoints = new List<System.Drawing.Point>();
                WPPoints = new List<System.Drawing.Point>();
                ExitPoints = new List<System.Drawing.Point>();

                UpdateOverlay();
            }
        }

        public void SetAllGoodChestNearby()
        {
            GoodChestsPoints = new List<System.Drawing.Point>();

            List<Position> AllChestPos = Form1_0.MapAreaStruc_0.GetPositionOfAllObject("object", "GoodChest", (int) Form1_0.PlayerScan_0.levelNo, new List<int>());
            foreach (var objectPos in AllChestPos)
            {
                GoodChestsPoints.Add(new System.Drawing.Point(objectPos.X, objectPos.Y));
            }
        }

        public void SetAllWPNearby()
        {
            WPPoints = new List<System.Drawing.Point>();

            List<Position> AllPos = Form1_0.MapAreaStruc_0.GetPositionOfAllObject("object", "WaypointPortal", (int)Form1_0.PlayerScan_0.levelNo, new List<int>());
            foreach (var objectPos in AllPos)
            {
                WPPoints.Add(new System.Drawing.Point(objectPos.X, objectPos.Y));
            }
        }

        public void SetAllExitNearby()
        {
            ExitPoints = new List<System.Drawing.Point>();

            List<Position> AllPos = Form1_0.MapAreaStruc_0.GetPositionOfAllObject("exit", "", (int)Form1_0.PlayerScan_0.levelNo, new List<int>(), true);
            foreach (var objectPos in AllPos)
            {
                ExitPoints.Add(new System.Drawing.Point(objectPos.X, objectPos.Y));
            }

            AllPos = Form1_0.MapAreaStruc_0.GetPositionOfAllExits();
            foreach (var objectPos in AllPos)
            {
                ExitPoints.Add(new System.Drawing.Point(objectPos.X, objectPos.Y));
            }
        }

        public void SetAllMonsterNearby()
        {
            MobsPoints = new List<System.Drawing.Point>();

            List<int[]> monsterPositions = Form1_0.MobsStruc_0.GetAllMobsNearby();
            foreach (var monsterPosition in monsterPositions)
            {
                MobsPoints.Add(new System.Drawing.Point(monsterPosition[0], monsterPosition[1]));
            }
        }


        public void ClearAllOverlay()
        {
            ClearAllOverlayWithoutUpdating();
            UpdateOverlay();
        }

        public void ClearAllOverlayWithoutUpdating()
        {
            MobsPoints = new List<System.Drawing.Point>();
            GoodChestsPoints = new List<System.Drawing.Point>();
            WPPoints = new List<System.Drawing.Point>();
            ExitPoints = new List<System.Drawing.Point>();
        }

        public void UpdateOverlay()
        {
            if (!Form1_0.Running)
            {
                ClearAllOverlayWithoutUpdating();
            }

            if (InvokeRequired)
            {
                Invoke(new MethodInvoker(updateGUI));
            }
            else
            {
                updateGUI();
            }
        }

        void updateGUI()
        {

            this.Refresh();
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);

            for (int i = 0; i < MobsPoints.Count; i++)
            {
                Dictionary<string, int> itemScreenPosStart = Form1_0.GameStruc_0.World2Screen(Form1_0.PlayerScan_0.xPosFinal, Form1_0.PlayerScan_0.yPosFinal, MobsPoints[i].X, MobsPoints[i].Y);
                System.Drawing.Point StartPoint = new System.Drawing.Point(itemScreenPosStart["x"], itemScreenPosStart["y"]);
                StartPoint = RescaleThisPoint(StartPoint);
                DrawCrossAtPoint(e, StartPoint, yellowPen);
            }

            for (int i = 0; i < GoodChestsPoints.Count; i++)
            {
                Dictionary<string, int> itemScreenPosStart = Form1_0.GameStruc_0.World2Screen(Form1_0.PlayerScan_0.xPosFinal, Form1_0.PlayerScan_0.yPosFinal, GoodChestsPoints[i].X, GoodChestsPoints[i].Y);
                System.Drawing.Point StartPoint = new System.Drawing.Point(itemScreenPosStart["x"], itemScreenPosStart["y"]);
                StartPoint = RescaleThisPoint(StartPoint);

                System.Drawing.Point MidPoint = new System.Drawing.Point(Form1_0.CenterX, Form1_0.CenterY);
                e.Graphics.DrawLine(greenPen, MidPoint, StartPoint);

                DrawCrossAtPoint(e, StartPoint, greenPen);
            }

            for (int i = 0; i < WPPoints.Count; i++)
            {
                Dictionary<string, int> itemScreenPosStart = Form1_0.GameStruc_0.World2Screen(Form1_0.PlayerScan_0.xPosFinal, Form1_0.PlayerScan_0.yPosFinal, WPPoints[i].X, WPPoints[i].Y);
                System.Drawing.Point StartPoint = new System.Drawing.Point(itemScreenPosStart["x"], itemScreenPosStart["y"]);
                StartPoint = RescaleThisPoint(StartPoint);
                
                System.Drawing.Point MidPoint = new System.Drawing.Point(Form1_0.CenterX, Form1_0.CenterY);
                e.Graphics.DrawLine(bluePen, MidPoint, StartPoint);

                DrawCrossAtPoint(e, StartPoint, bluePen);
            }

            for (int i = 0; i < ExitPoints.Count; i++)
            {
                Dictionary<string, int> itemScreenPosStart = Form1_0.GameStruc_0.World2Screen(Form1_0.PlayerScan_0.xPosFinal, Form1_0.PlayerScan_0.yPosFinal, ExitPoints[i].X, ExitPoints[i].Y);
                System.Drawing.Point StartPoint = new System.Drawing.Point(itemScreenPosStart["x"], itemScreenPosStart["y"]);
                StartPoint = RescaleThisPoint(StartPoint);

                System.Drawing.Point MidPoint = new System.Drawing.Point(Form1_0.CenterX, Form1_0.CenterY);
                e.Graphics.DrawLine(cyanPen, MidPoint, StartPoint);

                DrawCrossAtPoint(e, StartPoint, cyanPen);
            }
        }

        public void DrawCrossAtPoint(PaintEventArgs e, System.Drawing.Point ThisP, Pen ThisPenColor)
        {
            System.Drawing.Point ThisPoint1 = new System.Drawing.Point(ThisP.X - 5, ThisP.Y - 5);
            System.Drawing.Point ThisPoint2 = new System.Drawing.Point(ThisP.X + 5, ThisP.Y + 5);

            System.Drawing.Point ThisPoint3 = new System.Drawing.Point(ThisP.X - 5, ThisP.Y + 5);
            System.Drawing.Point ThisPoint4 = new System.Drawing.Point(ThisP.X + 5, ThisP.Y - 5);

            // Draw a X red cross
            e.Graphics.DrawLine(ThisPenColor, ThisPoint1, ThisPoint2);
            e.Graphics.DrawLine(ThisPenColor, ThisPoint3, ThisPoint4);
        }

        public System.Drawing.Point RescaleThisPoint(System.Drawing.Point ThisssPoint)
        {
            ThisssPoint.X = ((ThisssPoint.X - Form1_0.CenterX) / Scale) + Form1_0.CenterX;
            ThisssPoint.Y = ((ThisssPoint.Y - Form1_0.CenterY) / Scale) + Form1_0.CenterY;

            return ThisssPoint;
        }
    }
}