弹药补给

弹药补给功能实现图

弹药补给

修改IGunSystem

由于所有的枪都要增加一个弹夹的子弹，所以我们需要获取IGunSystem中的mGunInfos，需要将此队列开放出来

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using FrameWorkDesign;
using System.Collections.Generic;
using System.Linq;

namespace ShootingEditor2D
{
    interface IGunSystem : ISystem
    {
        //...
        Queue<GunInfo> GunInfos { get; }
    }

    public class OnCurrrentGunChanged
    {
        public string Name { get; set; }
    }

    public class GunSystem : AbstractSystem, IGunSystem
    {
        //...

        private Queue<GunInfo> mGunInfos = new Queue<GunInfo>();

        public Queue<GunInfo> GunInfos
        {
            get
            {
                return mGunInfos;
            }
        }
        //...

        
    }
}

添加AddBulletCommand

在Command文件夹中新建AddBulletCommand

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using FrameWorkDesign;

namespace ShootingEditor2D
{
    public class AddBulletCommand : AbstractCommand
    {
        protected override void OnExecute()
        {
            var gunSystem = this.GetSystem<IGunSystem>();
            var gunConfigModel = this.GetModel<IGunConfigModel>();

            AddBullet(gunSystem.CurrentGun, gunConfigModel);

            foreach (var gunInfo in gunSystem.GunInfos)
            {
                AddBullet(gunInfo, gunConfigModel);
            }
        }

        void AddBullet(GunInfo gunInfo,IGunConfigModel gunConfigModel)
        {
            var gunConfigItem = gunConfigModel.GetItemByName(gunInfo.Name.Value);
            if (gunConfigItem.NeedBullet)//普通枪
            {
                gunInfo.BulletCountOutGun.Value += gunConfigItem.BulletMaxCount;
            }
            else//手枪
            {
                gunInfo.AmmoNumInGun.Value = gunConfigItem.BulletMaxCount;
            }
        }
    }
}

添加补给物品

新建一个胶囊体（Capsule），命名为BulletPickItem，将它的缩放改为（x：0.2，y：0.2，z：0.2），设成黄色，并放在平台的某个地方。添加Capsule Collider 2D并打开is Trigger

在ViewController——Gameplay文件夹里面新建BulletPickItem脚本，将它挂载在这个胶囊体上。

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using FrameWorkDesign;
using UnityEngine;

namespace ShootingEditor2D 
{
    public class BulletPickItem : MonoBehaviour, IController
    {
        
        private void OnTriggerEnter2D(Collider2D collision)
        {
            if (collision.CompareTag("Player"))
            {
                this.SendCommand<AddBulletCommand>();

                Destroy(gameObject);
            }
        }

        public IArchitecture GetArchitecture()
        {
            return ShootingEditor2D.Interface;
        } 
    } 
}

当Player触碰到这个胶囊体时，就会自动填弹了。

补给站补给

功能图如下，弹药补给主要补给的是枪外弹匣的子弹，补给站主要补给的是枪内的

补给站补给

添加FullBulletCommand

在Command文件夹内新建FullBulletCommand

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using FrameWorkDesign;

namespace ShootingEditor2D
{
    public class FullBulletCommand : AbstractCommand
    {
        protected override void OnExecute()
        {
            var gunSystem = this.GetSystem<IGunSystem>();
            var gunConfigModel = this.GetModel<IGunConfigModel>();

            gunSystem.CurrentGun.AmmoNumInGun.Value = gunConfigModel.GetItemByName(gunSystem.CurrentGun.Name.Value).BulletMaxCount;

            foreach (var gunInfo in gunSystem.GunInfos)
            {
                gunInfo.AmmoNumInGun.Value = gunConfigModel.GetItemByName(gunInfo.Name.Value).BulletMaxCount;
            }
        }
    }
}

添加补给站

新建一个方块Square，命名为SupplyStation，颜色设为蓝色，添加BoxCollider 2D并勾选is Trigger

在ViewController——Gameplay文件夹里面新建SupplyStation脚本，将它挂载在这个方体上。

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using FrameWorkDesign;
using UnityEngine;

namespace ShootingEditor2D
{
    public class SupplyStation : MonoBehaviour, IController
    {

        private void OnTriggerEnter2D(Collider2D collision)
        {
            if (collision.CompareTag("Player"))
            {
                this.SendCommand<FullBulletCommand>();
            }
        }

        public IArchitecture GetArchitecture()
        {
            return ShootingEditor2D.Interface;
        }
    }
}

至此枪械系统底层系统层功能就做好了