How to check if a list of class contains a class rather than an instance of a class?

Question

Using c#. If I have a class FireClass that inherits from SpellClass. How do I check if a List of SpellClass contains ANY instance of FireClass rather than a specific instance of FireClass as with "GameManager.Instance.AbilityDB.Contains(passedSpellClass)" ?

Answer 1

Answer by Quickz · Apr 12, 2020 at 07:42 PM

You can use a LINQ method "Any" and a "is" operator for the condition.

Here are a couple of references:

Here's an example:

 using System.Linq;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class TestScript : MonoBehaviour
 {
     public List<Spell> spells = new List<Spell>();
 
     private void Start()
     {
         if (HasSpellOfType<Fire>())
         {
             Debug.Log("Fire!!!");
         }
     }
 
     public bool HasSpellOfType<T>() where T : Spell
     {
         return spells.Any(x => x is T);
     }
 }
 
 public class Fire : Spell { /* ... */}
 public class Spell { /* ... */}

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How to check if a list of class contains a class rather than an instance of a class?

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