Unity-Technologies / Unity-Technologies/com.unity.netcode.gameobjects

Build error when compiling using IL2CPP for Android if project uses static NetworkVariables

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priority:medium stat:imported type:docs
主要語言
C#
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描述

Description

Build error when compiling using IL2CPP for Android if project uses static NetworkVariables. This behaviour happens when attempting to build using IL2CPP scripting backend and building to Android. Building to Android using Mono builds successfully with no errors, leading me to believe this is a bug/unintended.

Reproduce Steps
  • Declare a static NetworkVariable in a NetworkBehaviour script. (public static NetworkVariable<int> in my case)
  • Set scripting backend to IL2CPP
  • Set build platform to Android
  • Build
  • Error displayed as shown in Additional Context section
Actual Outcome

Build fails with two error messages in console.

Expected Outcome

Build should compile successfully with no errors.

Screenshots

Error in Console:
image

Environment
  • OS: [Windows 10]
  • Unity Version: [2022.3.9f1]
  • Netcode Version: [1.5.2]
  • Netcode Commit: [e.g. https://github.com/Unity-Technologies/com.unity.netcode.gameobjects/commit/ba418fa5b600ad9eb61fab0575f12fbecc2c6520]
Additional Context

Full Error Logs:

Building Library\Bee\artifacts\Android\iz17e\25857ix1c827.o failed with output:
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5692,78): error: no member named '___HostPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_0 = __this->___HostPlayerHealth;
                                                                                   ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5708,78): error: no member named '___HostPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_3 = __this->___HostPlayerHealth;
                                                                                   ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5711,78): error: no member named '___HostPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_4 = __this->___HostPlayerHealth;
                                                                                   ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5714,78): error: no member named '___HostPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_6 = __this->___HostPlayerHealth;
                                                                                   ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5717,78): error: no member named '___OtherClientPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_7 = __this->___OtherClientPlayerHealth;
                                                                                   ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5733,79): error: no member named '___OtherClientPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_10 = __this->___OtherClientPlayerHealth;
                                                                                    ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5736,79): error: no member named '___OtherClientPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_11 = __this->___OtherClientPlayerHealth;
                                                                                    ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5739,79): error: no member named '___OtherClientPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_13 = __this->___OtherClientPlayerHealth;
                                                                                    ~~~~~~  ^
8 errors generated.

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)
Building Library\Bee\artifacts\Android\d8kzr\25857ix1c827.o failed with output:
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5692,78): error: no member named '___HostPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_0 = __this->___HostPlayerHealth;
                                                                                   ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5708,78): error: no member named '___HostPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_3 = __this->___HostPlayerHealth;
                                                                                   ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5711,78): error: no member named '___HostPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_4 = __this->___HostPlayerHealth;
                                                                                   ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5714,78): error: no member named '___HostPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_6 = __this->___HostPlayerHealth;
                                                                                   ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5717,78): error: no member named '___OtherClientPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_7 = __this->___OtherClientPlayerHealth;
                                                                                   ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5733,79): error: no member named '___OtherClientPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_10 = __this->___OtherClientPlayerHealth;
                                                                                    ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5736,79): error: no member named '___OtherClientPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_11 = __this->___OtherClientPlayerHealth;
                                                                                    ~~~~~~  ^
L:\Career\Development\Unity\GitHub\PrototypeCRF\Library\Bee\artifacts\Android\il2cppOutput\cpp\Assembly-CSharp.cpp(5739,79): error: no member named '___OtherClientPlayerHealth' in 'HubManager_t257E0CCDF9E261EA4899F86EEF4B1C6AAEEF8922'
                NetworkVariable_1_t72006E2365F7131BBF61213343C271666361F504* L_13 = __this->___OtherClientPlayerHealth;
                                                                                    ~~~~~~  ^
8 errors generated.

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)

貢獻指南

開啟貢獻指南

從這裡開始

  1. 先讀完整個 Issue,再讀專案的貢獻指南。
  2. 在 Issue 下留言說明你要接手 —— 這能避免兩個人做同樣的事。
  3. Fork 儲存庫,在一個分支上完成修改。
  4. 送出 Pull Request,並在描述裡引用這個 Issue 編號。

研究方向

先在 NetworkBehaviour 中重現已回報的靜態 NetworkVariable,然後使用 IL2CPP 和 Mono 為 Android 建置專案,以比較結果。追蹤產生的 IL2CPP 輸出和回報中缺少的成員;當 IL2CPP Android 建置無錯誤完成時,即視為完成。

由索引模型根據 Issue 內容生成。

評估

技術堆疊
android, csharp
領域
game-dev, networking
Issue 類型
缺陷
難度
4/5
預估耗時
3-5 天
活躍度
停滯
描述清晰度
基本清楚
新手友好度
35/100

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