mirror of
https://github.com/wechat-miniprogram/minigame-tuanjie-transform-sdk.git
synced 2026-04-22 01:35:56 +08:00
386 lines
12 KiB
C#
386 lines
12 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using UnityEngine;
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namespace WeChatWASM
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{
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/// <summary>
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/// PC高性能小游戏初始化脚本
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/// 负责与宿主程序的 direct_applet_sdk.dll 进行交互
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/// </summary>
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public class WXPCHPInitScript : MonoBehaviour
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{
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#region DLL Imports
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private const string DLL_NAME = "direct_applet_sdk.dll";
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// 初始化SDK
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[DllImport(DLL_NAME, CallingConvention = CallingConvention.Cdecl)]
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private static extern bool InitEmbeddedGameSDK();
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// 注册异步消息处理器
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[DllImport(DLL_NAME, CallingConvention = CallingConvention.Cdecl)]
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private static extern void RegisterAsyncMsgHandler(AsyncMsgHandlerDelegate handler);
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// 建立Mojo连接
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[DllImport(DLL_NAME, CallingConvention = CallingConvention.Cdecl)]
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private static extern bool EstablishConnection();
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// 初始化游戏窗口 - 传入窗口句柄
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[DllImport(DLL_NAME, CallingConvention = CallingConvention.Cdecl)]
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private static extern bool InitGameWindow(ulong hwnd);
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// 异步发送消息
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[DllImport(DLL_NAME, CallingConvention = CallingConvention.Cdecl)]
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private static extern bool SendMsgAsync(IntPtr data, int len);
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// 清理资源
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[DllImport(DLL_NAME, CallingConvention = CallingConvention.Cdecl)]
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private static extern bool Cleanup();
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// 获取当前活动窗口句柄
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[DllImport("user32.dll")]
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private static extern IntPtr GetActiveWindow();
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// Windows MessageBox
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[DllImport("user32.dll", CharSet = CharSet.Unicode)]
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private static extern int MessageBox(IntPtr hWnd, string text, string caption, uint type);
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#endregion
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#region Delegate Definition
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// 异步消息处理器委托
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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private delegate void AsyncMsgHandlerDelegate(IntPtr data, int len);
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// 保持委托引用，防止被GC回收
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private static AsyncMsgHandlerDelegate asyncMsgHandler;
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#endregion
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#region Singleton
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private static WXPCHPInitScript instance;
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public static WXPCHPInitScript Instance => instance;
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#endregion
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#region Events
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// 收到异步消息时触发的事件
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public event Action<byte[]> OnMessageReceived;
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#endregion
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#region Properties
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// SDK是否已初始化
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public bool IsInitialized { get; private set; }
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// 是否已连接
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public bool IsConnected { get; private set; }
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// 窗口句柄
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public IntPtr WindowHandle { get; private set; }
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#endregion
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#region Unity Lifecycle
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private void Awake()
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{
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Debug.Log("[WXPCHPInitScript] ========== Awake 被调用 ==========");
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Debug.Log($"[WXPCHPInitScript] GameObject 名称: {gameObject.name}");
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Debug.Log($"[WXPCHPInitScript] 场景名称: {UnityEngine.SceneManagement.SceneManager.GetActiveScene().name}");
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if (instance != null && instance != this)
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{
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Debug.LogWarning("[WXPCHPInitScript] 检测到重复实例，销毁当前对象");
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Destroy(gameObject);
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return;
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}
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instance = this;
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DontDestroyOnLoad(gameObject);
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Debug.Log("[WXPCHPInitScript] 单例创建成功，已设置 DontDestroyOnLoad");
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// 初始化SDK
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Initialize();
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}
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private void OnDestroy()
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{
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if (instance == this)
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{
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CleanupSDK();
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instance = null;
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}
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}
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private void OnApplicationQuit()
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{
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CleanupSDK();
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}
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#endregion
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#region Public Methods
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/// <summary>
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/// 初始化SDK并建立连接
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/// </summary>
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public void Initialize()
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{
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if (IsInitialized)
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{
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Debug.LogWarning("[WXPCHPInitScript] SDK已经初始化");
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return;
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}
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Debug.Log("[WXPCHPInitScript] ========== 开始初始化 ==========");
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Debug.Log($"[WXPCHPInitScript] 当前工作目录: {System.IO.Directory.GetCurrentDirectory()}");
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Debug.Log($"[WXPCHPInitScript] DLL 搜索路径: {DLL_NAME}");
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try
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{
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// 1. 初始化SDK
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Debug.Log("[WXPCHPInitScript] Step 1: 调用 InitEmbeddedGameSDK");
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ShowInfo("开始调用 InitEmbeddedGameSDK...");
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if (!InitEmbeddedGameSDK())
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{
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ShowError("InitEmbeddedGameSDK 返回 false");
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return;
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}
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ShowInfo("InitEmbeddedGameSDK 成功");
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// 2. 注册消息处理器 (暂时屏蔽)
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// asyncMsgHandler = HandleAsyncMessage;
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// RegisterAsyncMsgHandler(asyncMsgHandler);
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// ShowInfo("RegisterAsyncMsgHandler 成功");
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Debug.Log("[WXPCHPInitScript] Step 2: RegisterAsyncMsgHandler 已跳过");
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ShowInfo("RegisterAsyncMsgHandler 已跳过");
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// 3. 建立连接
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Debug.Log("[WXPCHPInitScript] Step 3: 调用 EstablishConnection");
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if (!EstablishConnection())
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{
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ShowError("EstablishConnection 返回 false");
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IsConnected = false;
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return;
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}
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IsConnected = true;
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ShowInfo("EstablishConnection 成功");
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// 4. 获取窗口句柄并初始化游戏窗口
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Debug.Log("[WXPCHPInitScript] Step 4: 获取窗口句柄");
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WindowHandle = GetActiveWindow();
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if (WindowHandle == IntPtr.Zero)
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{
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ShowError("GetActiveWindow 返回空句柄");
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return;
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}
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ShowInfo($"获取窗口句柄成功: 0x{WindowHandle.ToInt64():X}");
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Debug.Log("[WXPCHPInitScript] Step 5: 调用 InitGameWindow");
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if (!InitGameWindow((ulong)WindowHandle.ToInt64()))
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{
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ShowError("InitGameWindow 返回 false");
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return;
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}
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ShowInfo("InitGameWindow 成功");
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IsInitialized = true;
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ShowInfo("SDK 完全初始化成功!");
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Debug.Log("[WXPCHPInitScript] ========== 初始化完成 ==========");
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}
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catch (DllNotFoundException e)
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{
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ShowError($"找不到DLL: {e.Message}");
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Debug.LogError($"[WXPCHPInitScript] DLL 加载失败，请确保 {DLL_NAME} 在以下位置之一：");
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Debug.LogError($" - 与 .exe 同级目录");
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Debug.LogError($" - System32 目录");
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Debug.LogError($" - PATH 环境变量包含的路径");
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}
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catch (EntryPointNotFoundException e)
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{
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ShowError($"找不到函数入口: {e.Message}");
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Debug.LogError($"[WXPCHPInitScript] 函数入口点错误，可能是 DLL 版本不匹配");
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}
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catch (Exception e)
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{
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ShowError($"初始化异常: {e.Message}\n{e.StackTrace}");
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Debug.LogError($"[WXPCHPInitScript] 未知异常: {e}");
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}
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}
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/// <summary>
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/// 显示信息弹窗（仅 Windows）
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/// </summary>
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private void ShowInfo(string message)
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{
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Debug.Log($"[WXPCHPInitScript] {message}");
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#if UNITY_STANDALONE_WIN
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try
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{
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// MB_OK | MB_ICONINFORMATION = 0x40
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MessageBox(IntPtr.Zero, message, "WXPCHPInitScript Info", 0x40);
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}
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catch (System.Exception e)
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{
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Debug.LogWarning($"[WXPCHPInitScript] MessageBox 调用失败: {e.Message}");
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}
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#endif
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}
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/// <summary>
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/// 显示错误弹窗（仅 Windows）
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/// </summary>
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private void ShowError(string message)
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{
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Debug.LogError($"[WXPCHPInitScript] {message}");
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#if UNITY_STANDALONE_WIN
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try
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{
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// MB_OK | MB_ICONERROR = 0x10
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MessageBox(IntPtr.Zero, message, "WXPCHPInitScript Error", 0x10);
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}
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catch (System.Exception e)
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{
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Debug.LogWarning($"[WXPCHPInitScript] MessageBox 调用失败: {e.Message}");
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}
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#endif
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}
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/// <summary>
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/// 发送异步消息到宿主
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/// </summary>
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/// <param name="message">消息内容</param>
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/// <returns>是否发送成功</returns>
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public bool SendMessage(string message)
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{
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if (!IsInitialized || !IsConnected)
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{
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Debug.LogWarning("[WXPCHPInitScript] SDK未初始化或未连接");
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return false;
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}
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try
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{
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byte[] data = System.Text.Encoding.UTF8.GetBytes(message);
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return SendMessage(data);
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}
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catch (Exception e)
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{
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Debug.LogError($"[WXPCHPInitScript] 发送消息异常: {e.Message}");
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return false;
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}
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}
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/// <summary>
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/// 发送异步消息到宿主
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/// </summary>
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/// <param name="data">消息数据</param>
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/// <returns>是否发送成功</returns>
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public bool SendMessage(byte[] data)
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{
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if (!IsInitialized || !IsConnected)
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{
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Debug.LogWarning("[WXPCHPInitScript] SDK未初始化或未连接");
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return false;
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}
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if (data == null || data.Length == 0)
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{
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Debug.LogWarning("[WXPCHPInitScript] 发送的数据为空");
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return false;
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}
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try
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{
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IntPtr ptr = Marshal.AllocHGlobal(data.Length);
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try
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{
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Marshal.Copy(data, 0, ptr, data.Length);
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return SendMsgAsync(ptr, data.Length);
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}
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finally
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{
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Marshal.FreeHGlobal(ptr);
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}
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}
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catch (Exception e)
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{
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Debug.LogError($"[WXPCHPInitScript] 发送消息异常: {e.Message}");
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return false;
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}
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}
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#endregion
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#region Private Methods
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/// <summary>
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/// 清理SDK资源
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/// </summary>
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private void CleanupSDK()
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{
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if (!IsInitialized)
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{
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return;
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}
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try
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{
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Cleanup();
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Debug.Log("[WXPCHPInitScript] SDK清理完成");
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}
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catch (Exception e)
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{
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Debug.LogError($"[WXPCHPInitScript] 清理异常: {e.Message}");
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}
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finally
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{
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IsInitialized = false;
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IsConnected = false;
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}
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}
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/// <summary>
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/// 异步消息处理回调
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/// </summary>
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[AOT.MonoPInvokeCallback(typeof(AsyncMsgHandlerDelegate))]
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private static void HandleAsyncMessage(IntPtr data, int len)
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{
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if (data == IntPtr.Zero || len <= 0)
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{
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return;
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}
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try
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{
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byte[] buffer = new byte[len];
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Marshal.Copy(data, buffer, 0, len);
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// 在主线程中触发事件
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if (instance != null)
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{
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// 直接调用，如果需要线程安全可以使用Unity的主线程调度
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instance.OnMessageReceived?.Invoke(buffer);
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// 打印收到的消息（用于调试）
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string message = System.Text.Encoding.UTF8.GetString(buffer);
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Debug.Log($"[WXPCHPInitScript] 收到消息: {message}");
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}
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}
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catch (Exception e)
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{
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Debug.LogError($"[WXPCHPInitScript] 处理消息异常: {e.Message}");
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}
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}
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#endregion
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}
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}
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