GTA IV C# Modding: Mod Menu Example

//In this script, I will show you a template for a mod menu! Feel free to use how you want!

namespace MenuExample
{
    using GTA;
    using GTA.Native;
    using System;
    using System.Drawing;
    using System.Windows.Forms;

    public class Main : Script
    {
        private bool isMenuOn;
        private Keys menuDownKey;
        private int menuSelection;
        private Keys menuUpKey;
        private Keys selectionKey;
        private float spacing = (((float) Game.Resolution.Height) / 5f);
        private Keys toggleMenuKey;
        private float x = (Game.Resolution.Width * 0.1f);
        private float y = (Game.Resolution.Height * 0.1f);

        public Main()
        {
            this.toggleMenuKey = base.Settings.GetValueKey("TOGGLE_MENU_KEY", Keys.F1);
            this.selectionKey = base.Settings.GetValueKey("SELECTION_KEY", Keys.Enter);
            this.menuUpKey = base.Settings.GetValueKey("MENU_UP__KEY", Keys.PageUp);
            this.menuDownKey = base.Settings.GetValueKey("MENU_DOWN_KEY", Keys.Next);
            base.BindKey(this.toggleMenuKey, false, false, false, new KeyPressDelegate(this.ToggleMenu));
        }

        private void Crush()
        {
            Function.Call("PRINT_STRING_WITH_LITERAL_STRING_NOW", new Parameter[] { "STRING", "Oh My Heart!", 0xbb8, 1 });
            base.Player.Character.Task.HandsUp(0xbb8);
            base.Wait(0xbb8);
            base.Player.Character.Die();
        }

        private void Destroy()
        {
            Function.Call("PRINT_STRING_WITH_LITERAL_STRING_NOW", new Parameter[] { "STRING", "no rocket for you but there is a helicopter", 0xbb8, 1 });
            World.CreateVehicle("MAVERICK", base.Player.Character.Position.Around(10f));
        }

        private void Kill()
        {
            Function.Call("PRINT_STRING_WITH_LITERAL_STRING_NOW", new Parameter[] { "STRING", "What i've Eaten?", 0xbb8, 1 });
            base.Player.Character.MakeProofTo(false, false, true, true, false);
            World.AddExplosion(base.Player.Character.Position, ExplosionType.Default, 9999f);
            if (base.Player.Character.HeightAboveGround == 0f)
            {
                base.Player.Character.MakeProofTo(false, false, false, false, false);
            }
        }

        private void Menu_KeyDown(object sender, GTA.KeyEventArgs e)
        {
            if (e.Key == this.menuUpKey)
            {
                this.menuSelection--;
                this.menuSelection = (this.menuSelection < 0) ? 2 : this.menuSelection;
            }
            if (e.Key == this.menuDownKey)
            {
                this.menuSelection++;
                this.menuSelection = (this.menuSelection > 2) ? 0 : this.menuSelection;
            }
            if (e.Key == this.selectionKey)
            {
                switch (this.menuSelection)
                {
                    case 0:
                        this.Crush();
                        break;

                    case 1:
                        this.Kill();
                        break;

                    case 2:
                        this.Destroy();
                        break;

                    case 3:
                        this.Spawn_Turismo();
                        break;
                }
            }
        }

        private void Menu_PerFrameDrawing(object sender, GraphicsEventArgs e)
        {
            e.Graphics.DrawText("Critic Arrest", this.x, this.y, (this.menuSelection == 0) ? Color.Red : Color.White);
            e.Graphics.DrawText("Mega Fart", this.x, (float) (this.y + this.spacing), (this.menuSelection == 1) ? Color.Red : Color.White);
            e.Graphics.DrawText("Rocket", this.x, (float) (this.y + (this.spacing * 2f)), (this.menuSelection == 2) ? Color.Red : Color.White);
            e.Graphics.DrawText("Turismo", this.x, (float) (this.y + (this.spacing * 3f)), (this.menuSelection == 3) ? Color.Red : Color.White);
        }

        private void Spawn_Turismo()
        {
            Function.Call("PRINT_STRING_WITH_LITERAL_STRING_NOW", new Parameter[] { "STRING", "My Boy,here it is", 0xbb8, 1 });
            World.CreateVehicle("TURISMO", base.Player.Character.Position.Around(10f));
        }

        private void ToggleMenu()
        {
            this.isMenuOn = !this.isMenuOn;
            if (this.isMenuOn)
            {
                base.PerFrameDrawing += new GraphicsEventHandler(this.Menu_PerFrameDrawing);
                base.KeyDown += new GTA.KeyEventHandler(this.Menu_KeyDown);
            }
            else
            {
                base.PerFrameDrawing -= new GraphicsEventHandler(this.Menu_PerFrameDrawing);
                base.KeyDown -= new GTA.KeyEventHandler(this.Menu_KeyDown);
            }
        }
    }
}

//See my profile for more!