Client Plugin Input Capturing Example

using Intersect.Client.Core;
using Intersect.Client.Framework.GenericClasses;
using Intersect.Client.Plugins;
using Intersect.Client.Plugins.Interfaces;

using System;
using System.Collections.Generic;

namespace Client.Plugins.InputExample
{
    class InputExample : ClientPluginEntry
    {
        /// <summary>
        /// Tracks key state changes during this frame.
        /// Value is true for key down, false for key up.
        /// </summary>
        private Dictionary<Keys, bool> _keyStatesChanged = new Dictionary<Keys, bool>();

        public override void OnStart(IClientPluginContext context)
        {
            Input.KeyDown += HandleKeyDown;
            Input.MouseDown += HandleKeyDown;
            Input.KeyUp += HandleKeyUp;
            Input.MouseUp += HandleKeyUp;

            context.Lifecycle.GameUpdate += Lifecycle_GameUpdate;
        }

        void HandleKeyDown(Keys key)
        {
            if (!_keyStatesChanged.ContainsKey(key))
                _keyStatesChanged.Add(key, true);
        }

        void HandleKeyUp(Keys key)
        {
            if (!_keyStatesChanged.ContainsKey(key))
                _keyStatesChanged.Add(key, false);
        }

        private void Lifecycle_GameUpdate(IClientPluginContext context, GameUpdateArgs GameUpdateArgs)
        {
            if (_keyStatesChanged.TryGetValue(Keys.LButton, out bool down))
            {
                if (down)
                    Console.WriteLine("Mouse down");
                else
                    Console.WriteLine("Mouse Up");
            }

            // Clear at the end of frame so events can handle next frame
            _keyStatesChanged.Clear();
        }

        public override void OnStop(IClientPluginContext context)
        {
        }
    }
}