-- Squash:

- In progress implementation of services model.

Barotrauma/BarotraumaShared/SharedSource/LuaCs/Services/IPluginService.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Reflection;
+using Barotrauma.LuaCs.Data;
+
+namespace Barotrauma.LuaCs.Services;
+
+public interface IPluginService : IService
+{
+    bool IsAssemblyLoaded(string friendlyName);
+    /// <summary>
+    /// Loads the assemblies for the given information
+    /// </summary>
+    /// <param name="assemblyResourcesInfo"></param>
+    /// <param name="injectServices"></param>
+    /// <param name="typeInstances"></param>
+    /// <typeparam name="T"></typeparam>
+    /// <returns></returns>
+    bool TryLoadAndInstanceTypes<T>(IEnumerable<IAssemblyResourceInfo> assemblyResourcesInfo, bool injectServices, out ImmutableArray<T> typeInstances) where T : class, IAssemblyPlugin;
+    ImmutableArray<T> GetLoadedPluginTypesInPackage<T>() where T : class, IAssemblyPlugin;
+    /// <summary>
+    /// Advances the loading/execution state of the plugin. IMPORTANT: You cannot set the execution state of plugins
+    /// to 'Disposed'. You must instead call the 'DisposePlugins' method. 
+    /// </summary>
+    /// <param name="newState"></param>
+    /// <returns></returns>
+    bool AdvancePluginStates(PluginRunState newState);
+
+    /// <summary>
+    /// Disposes of all running plugins hosted by the service and releases their references to allow unloading.
+    /// </summary>
+    /// <returns>Success of the operation. Returns false if any plugin threw errors during disposal.</returns>
+    bool DisposePlugins();
+
+    /// <summary>
+    /// Gets the current plugin execution state.
+    /// </summary>
+    /// <returns></returns>
+    PluginRunState GetPluginRunState();
+}
+
+public enum PluginRunState
+{
+    Instanced=0, 
+    PreInitialization=1, 
+    Initialized=2, 
+    LoadingCompleted=3, 
+    Disposed=4
+}