From ccbb6ddec78486d788078b95a843519fc4f3eac4 Mon Sep 17 00:00:00 2001
From: Amy <3855802+amylizzle@users.noreply.github.com>
Date: Mon, 6 May 2024 19:39:32 +0100
Subject: [PATCH] Add method for getting type of var (#5070)

Co-authored-by: amylizzle <amylizzle@users.noreply.github.com>
---
 .../Manager/ISerializationManager.cs          |  3 +++
 .../Manager/SerializationManager.cs           | 20 +++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/Robust.Shared/Serialization/Manager/ISerializationManager.cs b/Robust.Shared/Serialization/Manager/ISerializationManager.cs
index 1407e32bc4..22fd2c56e1 100644
--- a/Robust.Shared/Serialization/Manager/ISerializationManager.cs
+++ b/Robust.Shared/Serialization/Manager/ISerializationManager.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics.CodeAnalysis;
 using JetBrains.Annotations;
 using Robust.Shared.Reflection;
 using Robust.Shared.Serialization.Markdown;
@@ -440,5 +441,7 @@ namespace Robust.Shared.Serialization.Manager
         }
 
         #endregion
+
+        public bool TryGetVariableType(Type type, string variableName, [NotNullWhen(true)] out Type? variableType);
     }
 }
diff --git a/Robust.Shared/Serialization/Manager/SerializationManager.cs b/Robust.Shared/Serialization/Manager/SerializationManager.cs
index 54410610da..d2f27ba960 100644
--- a/Robust.Shared/Serialization/Manager/SerializationManager.cs
+++ b/Robust.Shared/Serialization/Manager/SerializationManager.cs
@@ -264,6 +264,26 @@ namespace Robust.Shared.Serialization.Manager
             return dataDefinition != null;
         }
 
+        public bool TryGetVariableType(Type type, string variableName, [NotNullWhen(true)] out Type? variableType)
+        {
+            if (!TryGetDefinition(type, out var definition))
+            {
+                variableType = null;
+                return false;
+            }
+            var foundFieldDef = definition.BaseFieldDefinitions.FirstOrDefault(fieldDef => fieldDef?.BackingField.Name==variableName, null);
+            if(foundFieldDef != null)
+            {
+                variableType = foundFieldDef.BackingField.FieldType;
+                return true;
+            }
+            else
+            {
+                variableType = null;
+                return false;
+            }
+        }
+
         private Type ResolveConcreteType(Type baseType, string typeName)
         {
             var type = ReflectionManager.YamlTypeTagLookup(baseType, typeName);