Add project files.

Patches/Photon.cs

@@ -0,0 +1,94 @@
+using HarmonyLib;
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using UnityEngine;
+
+namespace undead_universal_patch_il2cpp.Patches
+{
+    public class PhotonPatchEvent
+    {
+
+    }
+
+    public class Photon
+    {
+        public static object Patch()
+        {
+            Plugin.Log.LogInfo("Attempting Photon patch.");
+            Type serverSettingsType = AccessTools.TypeByName("ServerSettings");
+
+            Type hostingOptionType = AccessTools.Inner(serverSettingsType, "HostingOption");
+            if (serverSettingsType == null)
+            {
+                Plugin.Log.LogFatal("Photon patch failed early, this Photon client is unsupported!");
+                return null;
+            }
+
+            ScriptableObject settingsInstance = ScriptableObject.CreateInstance(serverSettingsType);
+
+            object realPhotonServerSettings = Resources.Load("PhotonServerSettings", serverSettingsType);
+
+            try
+            {
+                var rpcListField = AccessTools.Field(serverSettingsType, "RpcList");
+                if (rpcListField == null)
+                {
+                    Plugin.Log.LogFatal("Photon patch failed (serverSettingsType did not have an RpcList), this Photon client is unsupported!");
+                    return null;
+                }
+                if (realPhotonServerSettings == null)
+                {
+                    Plugin.Log.LogFatal("Photon patch failed (existing photon settings was null, is the patch event set to 'Awake'?), this Photon client is unsupported!");
+                    return null;
+                }
+                var existingRpcList = (List<string>)rpcListField.GetValue(realPhotonServerSettings);
+                rpcListField.SetValue(settingsInstance, existingRpcList);
+            }
+            catch (Exception e)
+            {
+                Plugin.Log.LogFatal("Photon patch failed (RpcList), this Photon client is unsupported!");
+                Plugin.Log.LogDebug(e);
+                return null;
+            }
+
+            var appIdField = AccessTools.Field(serverSettingsType, "AppID");
+            appIdField.SetValue(settingsInstance, PhotonConfig.AppID.Value);
+            var voiceAppIdField = AccessTools.Field(serverSettingsType, "VoiceAppID");
+            voiceAppIdField.SetValue(settingsInstance, PhotonConfig.VoiceAppID.Value);
+
+            var hostTypeField = AccessTools.Field(serverSettingsType, "HostType");
+            if (hostTypeField != null && hostingOptionType != null && hostingOptionType.IsEnum)
+            {
+                try
+                {
+                    object enumValue = Enum.Parse(hostingOptionType, "PhotonCloud");
+                    hostTypeField.SetValue(settingsInstance, enumValue);
+                }
+                catch (ArgumentException ex)
+                {
+                    Plugin.Log.LogFatal($"Photon patch failed, cannot set HostingOption: {ex.Message}");
+                    return null;
+                }
+            }
+
+            // Save to property
+            Type photonNetworkType = AccessTools.TypeByName("PhotonNetwork");
+            if (photonNetworkType == null)
+            {
+                Plugin.Log.LogFatal("Photon patch will not work (class not found). Is this build supported?");
+                return null;
+            }
+            FieldInfo photonServerSettingsField = photonNetworkType.GetField("PhotonServerSettings");
+            if (photonServerSettingsField == null)
+            {
+                Plugin.Log.LogFatal("Photon patch will not work (property not found). Is this build supported?");
+                return null;
+            }
+            photonServerSettingsField.SetValue(serverSettingsType, settingsInstance);
+
+            Plugin.Log.LogInfo("Photon patch was successful.");
+            return settingsInstance;
+        }
+    }
+}