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Assets/Artists/Scripts/Entities/Knockdown/EntityKnockdown.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using BITFALL.Items;
+using BITFALL.Player.Inventory;
+using BITKit;
+using BITKit.Entities;
+using UnityEditor;
+using UnityEngine;
+
+namespace BITFALL.Entities
+{
+	[CustomType(typeof(IKnockdown))]
+	public sealed class EntityKnockdown :EntityComponent,IKnockdown
+	{
+		[SerializeField] private int knockedHealth;
+		[SerializeField] private int initialKnockedHealth;
+		
+		public int KnockedHealth=>knockedHealth;
+		public int InitialKnockedHealth
+		{
+			get => initialKnockedHealth;
+			set => initialKnockedHealth = value;
+		}
+		public event Action OnKnockdown;
+		public event Action OnRevive;
+		public bool IsKnockdown { get;private set; }
+		private readonly Optional<int> knockedHeal=new();
+		
+		[Inject]
+		private IHealth _health;
+		
+		[Inject]
+		private IPlayerInventory _inventory;
+
+		public override void OnStart()
+		{
+			_health.OnDamage += OnDamage;
+			_health.OnSetAlive += OnSetAlive;
+			_health.OnSetHealthPoint += OnSetHealthPoint;
+			
+			_inventory.OnUseItem += OnUseItem;
+		}
+
+		private void OnSetHealthPoint(int obj)
+		{
+			if (obj > 0 && IsKnockdown && _health.IsAlive)
+			{
+				IsKnockdown = false;
+				OnRevive?.Invoke();
+			}
+		}
+
+		private bool OnUseItem(IBasicItem arg)
+		{
+			if (IsKnockdown is false || arg.GetAssetable().TryGetProperty<PlayerReviveItem>(out var reviveItem) is false) return false;
+			OnRevive?.Invoke();
+			IsKnockdown = false;
+			return true;
+		}
+
+		private void OnSetAlive(bool obj)
+		{
+			IsKnockdown = false;
+		}
+
+		private int OnDamage(DamageMessage arg,int currentDamage)
+		{
+			if (IsKnockdown || _health.HealthPoint - currentDamage >=0 ) return currentDamage;
+			IsKnockdown = true;
+			OnKnockdown?.Invoke();
+			_health.HealthPoint = 0;
+			return 0;
+		}
+	}
+
+}