character-system/Runtime/Behaviors/TasksActions/DialogueTradeTaskAction.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using NodeCanvas.Framework;
using ParadoxNotion.Design;
using KairoEngine.Core;
using KairoEngine.Inventory;

namespace KairoEngine.CharacterSystem
{
    public enum TradeType
    {
        Buy,
        Sell
    }
    public class DialogueTradeTaskAction : ActionTask
    {
        [BlackboardOnly] public BBParameter<CharacterController> character;
        public TradeType tradeType = TradeType.Buy;
        private bool closed = false;
        private string containerName;
        private ItemContainer itemContainer;

        protected override string info 
        {
            get 
            { 
                if(tradeType == TradeType.Buy) return "Buy Items";
                else return "Sell Items"; 
            }
        }

        protected override void OnExecute()
        {
            containerName = "";
            if(tradeType == TradeType.Buy) 
            {
                containerName = "Buy Items";
                itemContainer = character.value.GetComponent<ItemContainer>();
            }
            else 
            {
                containerName = "Sell Items";
                itemContainer = character.value.GetComponents<ItemContainer>()[1];
            }
            ICommand openItemContainerCommand = new OpenItemContainerCommand(containerName, itemContainer);
            CommandInvoker.AddCommand(openItemContainerCommand);
            GenericEvents.StartListening("TradeFinished", OnTradeFinish);
        }

        protected override void OnStop()
        {
            GenericEvents.StopListening("TradeFinished", OnTradeFinish);
            if(closed == false)
            {
                ICommand closeItemContainerCommand = new CloseItemContainerCommand(containerName);
                CommandInvoker.AddCommand(closeItemContainerCommand);
            }
        }

        void OnTradeFinish()
        {
            GenericEvents.StopListening("TradeFinished", OnTradeFinish);
            closed = true;
            EndAction(true);
        }
    }
}