BITFALL/Assets/Artists/Scripts/Feel/EntityBloodDecal.cs

using System.Collections;
using System.Collections.Generic;
using System.Runtime.Remoting.Messaging;
using BITFALL.Feel;
using BITKit;
using BITKit.Entities;
using PaintIn3D;
using UnityEngine;

namespace BITFALL.Feel
{
	public class EntityBloodDecal : EntityBehavior
	{
		[SerializeField] private P3dModel model;
		[SerializeField] private P3dPaintableTexture texture;
		
		[Inject] private IHealth _health;
		private bool isDead;
		public override void OnStart()
		{
			base.OnStart();
			_health.OnDamageRelease += OnDamageRelease;
			_health.OnSetAlive += OnSetAlive;
			_health.OnDamageVoid += OnDamageVoid;
		}

		private void OnDamageVoid(DamageMessage obj)
		{
			if(_health.IsAlive) return;
			OnDamageRelease(obj);
		}

		private void OnSetAlive(bool obj)
		{
			if (obj)
			{
				texture.Clear();
			}
			// switch (obj)
			// {
			// 	case true when isDead:
			// 		texture.Clear();
			// 		break;
			// 	case false:
			// 		isDead = true;
			// 		break;
			// }
		}

		private void OnDamageRelease(DamageMessage obj)
		{
			if (obj.Hit is not EntityHitbox) return;
			if (obj.RaycastHit.HasValue is false) return;
			var raycastHit = obj.RaycastHit.Value;
			//var rotation = Quaternion.LookRotation(raycastHit.normal) * Quaternion.Euler(0, 180, 0);
			var rotation = Quaternion.LookRotation(
				obj.Position - raycastHit.point
			) * Quaternion.Euler(0, 180, 0);
			
			BloodDecalService.Decal.TargetModel = model;
			BloodDecalService.Decal.TargetTexture = texture;
			BloodDecalService.Decal.HandleHitLine(
				false,
				0,
				1.0f,
				0,
				raycastHit.point+raycastHit.normal*1,
				raycastHit.point-raycastHit.normal*1,
				rotation,true
				);
		}
	}

}