#1: framework for modifying fields/properties on gameobjects

Author: JonnyOThan

GameData/GameObjectPatcher/test.cfg

@@ -1,11 +1,11 @@
 SCENE_PATCH
 {
 	name = test
-	type = DeleteObject
+	type = ModifyObject
 	scene = VABmodern
 
-	ObjectNames
+	VABmodern
 	{
-		=VABmodern
+		active = false
 	}
 }

Source/GameObjectPatcher.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net4.8</TargetFramework>
@@ -18,6 +18,14 @@
   </ItemGroup>
 
   <ItemGroup>
+    <Publicize Include="Assembly-CSharp" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Krafs.Publicizer" Version="2.3.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="KSPBuildTools" Version="0.0.3-alpha.4" />
   </ItemGroup>
 

Source/ModifyObject.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Security.AccessControl;
+using UnityEngine;
+using Log = KSPBuildTools.Log;
+
+namespace GameObjectPatcher
+{
+	internal class ModifyObject : ScenePatch
+	{
+		Dictionary<string, List<Action<object>>> m_gameObjectMutators = new Dictionary<string, List<Action<object>>>();
+
+		public override void Load(ConfigNode configNode)
+		{
+			base.Load(configNode);
+
+			foreach (var childNode in configNode.nodes.nodes)
+			{
+				m_gameObjectMutators.Add(childNode.name, CreateMutators(childNode, typeof(GameObject)));
+			}
+		}
+
+		private static MemberInfo GetMemberInfo(Type objectType, string memberName)
+		{
+			MemberInfo memberInfo = objectType.GetField(memberName);
+			if (memberInfo == null)
+			{
+				memberInfo = objectType.GetProperty(memberName);
+			}
+
+			if (memberInfo == null)
+			{
+				Log.Error($"Member {memberName} not found in type {objectType.FullName}");
+			}
+
+			return memberInfo;
+		}
+
+		private static Action<object> CreateMutator(ConfigNode.Value configValue, Type objectType)
+		{
+			var memberInfo = GetMemberInfo(objectType, configValue.name);
+
+			if (memberInfo != null)
+			{
+				if (memberInfo is FieldInfo fieldInfo)
+				{
+					object newValue = ConfigNode.ReadValue(fieldInfo.FieldType, configValue.value);
+					return obj => fieldInfo.SetValue(obj, newValue);
+				}
+				else if (memberInfo is PropertyInfo propertyInfo)
+				{
+					object newValue = ConfigNode.ReadValue(propertyInfo.PropertyType, configValue.value);
+					return obj => propertyInfo.SetValue(obj, newValue);
+				}
+			}
+
+			return null;
+		}
+
+		private static List<Action<object>> CreateMutators(ConfigNode configNode, Type objectType)
+		{
+			List<Action<object>> mutators = new List<Action<object>>();
+
+			foreach (ConfigNode.Value configValue in configNode.values.values)
+			{
+				var mutator = CreateMutator(configValue, objectType);
+				if (mutator != null)
+				{
+					mutators.Add(mutator);
+				}
+			}
+
+			return mutators;
+		}
+
+		public override void Execute()
+		{
+			foreach (var objectMutator in m_gameObjectMutators)
+			{
+				GameObject gameObject = GameObject.Find(objectMutator.Key);
+
+				if (gameObject == null)
+				{
+					Log.Error("GameObject {objectName} not found");
+					continue;
+				}
+
+				foreach (var mutator in objectMutator.Value)
+				{
+					mutator.Invoke(gameObject);
+				}
+			}
+		}
+	}
+}