AxibugEmuOnline/AxibugEmuOnline.Client.Transplant/Assets/Script/AppMain/UI/CommandDispatcher/CommandDispatcher.cs

using System.Collections.Generic;
using UnityEngine;

namespace AxibugEmuOnline.Client
{
    public class CommandDispatcher : MonoBehaviour
    {
        public static CommandDispatcher Instance { get; private set; }

        /// <summary> ƽ<><C6BD>ע<EFBFBD><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧָ<D3A6><D6B8> </summary>
        List<CommandExecuter> m_register = new List<CommandExecuter>();
        /// <summary> <20><>ռע<D5BC><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,ָ<><D6B8><EFBFBD>ᱻ<EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ </summary>
        List<CommandExecuter> m_registerHigh = new List<CommandExecuter>();

        ICommandListener m_listener;
        /// <summary> <20><>׼UI<55><49><EFBFBD><EFBFBD> </summary>
        public IKeyMapperChanger Normal { get; private set; }
        /// <summary> <20><>Ϸ<EFBFBD><CFB7>UI<55><49><EFBFBD><EFBFBD> </summary>
        public IKeyMapperChanger Gaming { get; private set; }

        private IKeyMapperChanger m_current;
        public IKeyMapperChanger Current
        {
            get => m_current;
            set
            {
                m_current = value;

                SetKeyMapper(m_current);
            }
        }

        private void Awake()
        {
            Instance = this;

            //<2F><>ʼ<EFBFBD><CABC>command<6E><64><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
            m_listener = new CommandListener();

            //<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>λ<EFBFBD>޸<EFBFBD><DEB8><EFBFBD>
            Normal = new NormalChanger();
            Gaming = new GamingChanger();
        }

        private void OnDestroy()
        {
            Instance = null;
        }

        public bool IsRegisted(CommandExecuter commandExecuter)
        {
            return m_register.Contains(commandExecuter) || m_registerHigh.Contains(commandExecuter);
        }

        public void RegistController(CommandExecuter controller)
        {
            if (!controller.AloneMode)
            {
                if (m_register.Contains(controller)) { return; }

                m_register.Add(controller);
            }
            else
            {
                if (m_registerHigh.Contains(controller)) { return; }

                m_registerHigh.Add(controller);
            }
        }

        public void UnRegistController(CommandExecuter menuItemController)
        {
            if (!menuItemController.AloneMode)
                m_register.Remove(menuItemController);
            else
                m_registerHigh.Remove(menuItemController);
        }

        readonly List<CommandExecuter> oneFrameRegister = new List<CommandExecuter>();
        private void Update()
        {
            if (!InputUI.IsInputing)
            {
                peekRegister(oneFrameRegister);
                m_listener.Update(oneFrameRegister);
            }

            //<2F><>λӳ<CEBB><D3B3><EFBFBD>ڰ<EFBFBD><DAB0><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>Ķ<EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޸<EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>
            if (m_waitMapperSetting != null)
            {
                m_listener.ApplyKeyMapper(m_waitMapperSetting);
                m_waitMapperSetting = null;
            }
        }

        IKeyMapperChanger m_waitMapperSetting = null;
        void SetKeyMapper(IKeyMapperChanger keyMapChanger)
        {
            m_waitMapperSetting = keyMapChanger;
        }

        private List<CommandExecuter> peekRegister(List<CommandExecuter> results)
        {
            results.Clear();

            if (m_registerHigh.Count > 0)
            {
                for (int i = m_registerHigh.Count - 1; i >= 0; i--)
                {
                    var controller = m_registerHigh[i];
                    if (controller.Enable)
                    {
                        results.Add(controller);
                        return results;
                    }
                }
            }

            foreach (var controller in m_register)
            {
                if (!controller.Enable) continue;

                results.Add(controller);
            }

            return results;
        }

#if UNITY_EDITOR
        public void GetRegisters(out IReadOnlyList<CommandExecuter> normal, out IReadOnlyList<CommandExecuter> alone)
        {
            normal = m_register;
            alone = m_registerHigh;
        }
#endif
    }
}