IGunSystem初始值设定

上一节我们实现好了GunInfo和GunState，接下来我们在IGunSystem里面给CurrentGun设置好初始值

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using FrameWorkDesign;

namespace ShootingEditor2D
{
    interface IGunSystem : ISystem
    {
        GunInfo CurrentGun { get; }
    }

    public class GunSystem : AbstractSystem, IGunSystem
    {
        public GunInfo CurrentGun { get; } = new GunInfo()
        {
            AmmoNumInGun = new BindableProperty<int>()
            {
                Value = 3
            },
            BulletCountOutGun = new BindableProperty<int>()
            {
                Value = 1
            },
            Name = new BindableProperty<string>()
            {
                Value = "手枪"
            },
            State = new BindableProperty<GunState>()
            {
                Value = GunState.Idle
            }
        };

        protected override void OnInit()
        {
            
        }
    }
}

初始值设定好后，我们再修改一下ShootCommand

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using FrameWorkDesign;

namespace ShootingEditor2D
{
    public class ShootCommand : AbstractCommand
    {
        public static readonly ShootCommand Instance = new ShootCommand();
        protected override void OnExecute()
        {
            var gunSystem = this.GetSystem<IGunSystem>();
            gunSystem.CurrentGun.AmmoNumInGun.Value--;
            gunSystem.CurrentGun.State.Value = GunState.Shooting;//
        }
    }
}

枪械信息显示

修改UIController

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using UnityEngine;
using FrameWorkDesign;
using System;

namespace ShootingEditor2D
{
    public class UIController : MonoBehaviour,IController
    {
        //...

        private void OnGUI()
        {
            GUI.Label(new Rect(10, 10, 300, 100), $"生命：{m_PlayerModel.HP.Value}/3",m_LableStyle.Value);
            GUI.Label(new Rect(10, 60, 300, 100), $"枪内子弹：{m_GunSystem.CurrentGun.AmmoNumInGun.Value}",m_LableStyle.Value);
            GUI.Label(new Rect(10, 110, 300, 100), $"枪外子弹：{m_GunSystem.CurrentGun.BulletCountOutGun.Value}",m_LableStyle.Value);
            GUI.Label(new Rect(10, 160, 300, 100), $"枪械名字：{m_GunSystem.CurrentGun.Name.Value}",m_LableStyle.Value);
            GUI.Label(new Rect(10, 210, 300, 100), $"枪械状态：{m_GunSystem.CurrentGun.State.Value}",m_LableStyle.Value);
            GUI.Label(new Rect(Screen.width - 10 - 300, 10, 300, 100), $"击杀数量：{m_StatSystem.KillCount.Value}",m_LableStyle.Value);
            
        }
        //...

        
    }
}

在运行时我们发现，枪械虽然变成了Shooting状态，但是并没有方法让枪械的从Shooting状态切换回来。

我们的枪械系统中每一把枪都有一个开枪频率，如手枪1发/秒、冲锋枪6发/秒，枪械的子弹是按秒发射的，所以我们需要一个延时方法，来为枪械从开枪状态切回闲置状态预留一个接口。

在游戏暂停的时候，延时计算就应该暂停下来，继续游戏的时候，延时计算就继续进行，所以我们的延时方法不能是异步计时（如协程、async Task）。下一节将实现一个简单的时间系统。