From aa775bd05fcfc9c739406e920d43dd346356c30f Mon Sep 17 00:00:00 2001
From: Soar Qin <soarchin@gmail.com>
Date: Sat, 24 Jan 2026 19:26:45 +0800
Subject: [PATCH] work in progress for LuaScriptEngine, to support OBS
 websocket api

---
 LuaScriptEngine/LuaScriptEngine.cs     | 50 ++++++++++++++++++++++++++
 LuaScriptEngine/LuaScriptEngine.csproj | 11 +++---
 2 files changed, 54 insertions(+), 7 deletions(-)

diff --git a/LuaScriptEngine/LuaScriptEngine.cs b/LuaScriptEngine/LuaScriptEngine.cs
index 545c3fa..50f2293 100644
--- a/LuaScriptEngine/LuaScriptEngine.cs
+++ b/LuaScriptEngine/LuaScriptEngine.cs
@@ -1,16 +1,23 @@
 using System;
 using System.Collections.Generic;
 using System.Text;
+
 using BepInEx;
 using BepInEx.Logging;
 using HarmonyLib;
+
+using Newtonsoft.Json.Linq;
 using NLua;
+using OBSWebsocketDotNet;
 
 namespace LuaScriptEngine;
 
 [BepInPlugin(PluginInfo.PLUGIN_GUID, PluginInfo.PLUGIN_NAME, PluginInfo.PLUGIN_VERSION)]
 public class LuaScriptEngine : BaseUnityPlugin
 {
+    private readonly OBSWebsocket _obs = new();
+    private readonly Dictionary<string, string> _scheduledText = [];
+
     private class Timer(LuaFunction func, long startInterval, long repeatInterval = 0L)
     {
         public bool Check(long gameTick)
@@ -101,6 +108,49 @@ public class LuaScriptEngine : BaseUnityPlugin
         {
             Timers.Remove(timer);
         };
+        LuaState["obs_connect"] = void (string server, string password) =>
+        {
+            _obs.Connected += (sender, e) =>
+            {
+                Logger.LogDebug("Connected to OBS");
+                foreach (var (sourceName, text) in _scheduledText)
+                {
+                    _obs.SetInputSettings(sourceName, 
+                        new JObject {
+                            {"text", text}
+                        });
+                }
+                _scheduledText.Clear();
+            };
+            _obs.Disconnected += (sender, e) =>
+            {
+                Logger.LogDebug("Disconnected from OBS");
+                _obs.ConnectAsync(server, password);
+            };
+            _obs.ConnectAsync(server, password);
+        };
+        LuaState["obs_set_source_text"] = void (string sourceName, string text) =>
+        {
+            if (_obs.IsConnected)
+            {
+                try
+                {
+                    _obs.SetInputSettings(sourceName, new JObject {
+                        {"text", text}
+                    });
+                }
+                catch (Exception e)
+                {
+                    Logger.LogError($"Error setting source text: {e}");
+                    _obs.Disconnect();
+                    _scheduledText[sourceName] = text;
+                }
+            }
+            else
+            {
+                _scheduledText[sourceName] = text;
+            }
+        };
         var assemblyPath = System.IO.Path.Combine(
             System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location)!,
             "scripts"
diff --git a/LuaScriptEngine/LuaScriptEngine.csproj b/LuaScriptEngine/LuaScriptEngine.csproj
index b495cf7..59c4737 100644
--- a/LuaScriptEngine/LuaScriptEngine.csproj
+++ b/LuaScriptEngine/LuaScriptEngine.csproj
@@ -2,13 +2,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net472</TargetFramework>
+    <TargetFramework>netstandard2.1</TargetFramework>
     <AssemblyName>LuaScriptEngine</AssemblyName>
     <BepInExPluginGuid>org.soardev.luascriptengine</BepInExPluginGuid>
     <Description>DSP MOD - LuaScriptEngine</Description>
     <Version>1.0.0</Version>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <LangVersion>latest</LangVersion>
+    <RestoreProjectStyle>PackageReference</RestoreProjectStyle>
     <RestoreAdditionalProjectSources>https://nuget.bepinex.dev/v3/index.json</RestoreAdditionalProjectSources>
   </PropertyGroup>
 
@@ -16,8 +17,9 @@
     <PackageReference Include="NLua" Version="1.*" />
     <PackageReference Include="BepInEx.Core" Version="5.*" />
     <PackageReference Include="BepInEx.PluginInfoProps" Version="1.*" />
-    <!-- <PackageReference Include="DysonSphereProgram.GameLibs" Version="*-r.*" /> -->
     <PackageReference Include="UnityEngine.Modules" Version="2022.3.53" IncludeAssets="compile" />
+    <PackageReference Include="obs-websocket-dotnet" Version="5.*" />
+    <!-- <PackageReference Include="DysonSphereProgram.GameLibs" Version="*-r.*" /> -->
   </ItemGroup>
 
   <ItemGroup>
@@ -32,9 +34,4 @@
   <ItemGroup Condition="'$(TargetFramework.TrimEnd(`0123456789`))' == 'net'">
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" PrivateAssets="all" />
   </ItemGroup>
-  
-  <Target Name="PostBuild" AfterTargets="PostBuildEvent" Condition="'$(Configuration)' == 'Release'">
-    <Exec Command="del /F /Q package\$(ProjectName)-$(Version).zip
-powershell Compress-Archive -Force -DestinationPath 'package/$(ProjectName)-$(Version).zip' -Path '$(TargetPath)', '$(TargetDir)/KeraLua.dll', '$(TargetDir)/lua54.dll', '$(TargetDir)/NLua.dll', package/icon.png, package/manifest.json, README.md" />
-  </Target>
 </Project>