character-system/Runtime/Behaviors/TasksActions/CharacterShootTaskAction.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
{
    [Category("KairoEngine")]
    public class CharacterShootTaskAction : ActionTask
    {
        [BlackboardOnly, RequiredField] public BBParameter<CharacterController> character;
        [BlackboardOnly, RequiredField] public BBParameter<Transform> target;

        private float waitTime = 0f;
        private float counter = 0f;

        private ItemBaseFirearm firearm;
        private int burstCount = 0;

        protected override string info 
        {
            get { return "Shoot at Target"; }
        }

        protected override void OnExecute()
        {
            if(character.value == null) EndAction(false);
            if(target.value == null) EndAction(true);
            if(character.value.GetEquipedItem() == null) EndAction(false);
            firearm = (ItemBaseFirearm)character.value.GetEquipedItem().item;
            waitTime = firearm.firingSpeed;
            counter = 0f;
            burstCount = 0;
            ICommand shootCommand = new ShootCommand(character.value);
            CommandInvoker.AddCommand(shootCommand);
        }

        protected override void OnUpdate()
        {
            if(character.value == null || firearm == null) EndAction(false);
            if(target.value != null)
            {
                ICommand mousePosCommand = new TurnCommand(character.value, target.value.position);
                CommandInvoker.AddCommand(mousePosCommand);
            }
            counter += Time.deltaTime;
            if(counter > waitTime) 
            {
                if(firearm.isAutomatic)
                {
                    burstCount += 1;
                    if(burstCount <= firearm.ammoCapacity/4)
                    {
                        counter = 0f;
                        ICommand shootCommand = new ShootCommand(character.value);
                        CommandInvoker.AddCommand(shootCommand);
                    } 
                    else EndAction(true);
                }
                else EndAction(true);
            }
        }
    }
}