85 lines
2.4 KiB
C#
85 lines
2.4 KiB
C#
using UnityEngine;
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using UnityEngine.Networking;
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using System;
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using System.IO;
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using System.Reflection;
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using System.Collections;
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public class PluginLoader :MonoBehaviour
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{
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private Assembly assembly;
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//! Adds plugins from mods to the game.
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public void Start()
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{
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string modPath = Path.Combine(Application.persistentDataPath, "Mods");
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string[] modDirs = Directory.GetDirectories(modPath);
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foreach (string path in modDirs)
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{
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string pluginPath = path + "/Plugins/";
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DirectoryInfo d = new DirectoryInfo(pluginPath);
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foreach (FileInfo file in d.GetFiles("*.dll"))
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{
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string filePath = pluginPath + file.Name;
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string pluginName = file.Name.Remove(file.Name.Length - 4);
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LoadPlugin(pluginName, filePath);
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Debug.Log("Loading mod plugin: " + pluginName);
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}
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}
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}
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//! Starts the assembly loading coroutine.
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private void LoadPlugin(string pluginName, string url)
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{
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StartCoroutine(LoadAssembly(pluginName, url));
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}
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//! Uses GetAssembly to load classes from the dll and add them to a dictionary.
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private IEnumerator LoadAssembly(string pluginName, string url)
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{
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if(url == null)
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{
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yield break;
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}
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UriBuilder uriBuildier = new UriBuilder(url) { Scheme = "file" };
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using (UnityWebRequest uwr = UnityWebRequest.Get(uriBuildier.ToString()))
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{
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yield return uwr.SendWebRequest();
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if (!uwr.isNetworkError && !uwr.isHttpError)
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{
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assembly = GetAssembly(uwr);
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}
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}
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if (assembly != null)
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{
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AddPlugin(assembly, pluginName);
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}
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}
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//! Loads assembly from file.
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private Assembly GetAssembly(UnityWebRequest uwr)
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{
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if (uwr != null)
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{
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if (uwr.downloadHandler != null)
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{
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if (uwr.downloadHandler.data != null)
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{
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return Assembly.Load(uwr.downloadHandler.data);
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}
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}
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}
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return null;
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}
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//! Gets type by name from dll.
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private void AddPlugin(Assembly dll, string pluginName)
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{
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Type type = dll.GetType(pluginName);
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if (type != null)
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{
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GameObject obj = new GameObject { name = pluginName };
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obj.AddComponent(type);
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}
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}
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} |