Merge #5109 #5110 #5112 #5115 #5117

5109: Only print zone messages when there is one r=heinrich5991 a=def-

```
src/game/server/entities/character.cpp: In member function ‘void CCharacter::SendZoneMsgs()’:
src/game/server/entities/character.cpp:2013:78: warning: the address of ‘CGameContext::m_aaZoneLeaveMsg’ will never be NULL [-Waddress]
 2013 |         if(m_TuneZoneOld >= 0 && GameServer()->m_aaZoneLeaveMsg[m_TuneZoneOld])
      |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
In file included from src/game/server/entities/character.cpp:7:
src/game/server/gamecontext.h:179:14: note: ‘CGameContext::m_aaZoneLeaveMsg’ declared here
  179 |         char m_aaZoneLeaveMsg[NUM_TUNEZONES][256];
      |              ^~~~~~~~~~~~~~~~
src/game/server/entities/character.cpp:2028:53: warning: the address of ‘CGameContext::m_aaZoneEnterMsg’ will never be NULL [-Waddress]
 2028 |         if(GameServer()->m_aaZoneEnterMsg[m_TuneZone])
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
src/game/server/gamecontext.h:178:14: note: ‘CGameContext::m_aaZoneEnterMsg’ declared here
  178 |         char m_aaZoneEnterMsg[NUM_TUNEZONES][256]; // 0 is used for switching from or to area without tunings
      |              ^~~~~~~~~~~~~~~~
```
<!-- What is the motivation for the changes of this pull request -->

## Checklist

- [ ] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test if it works standalone, system.c especially
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


5110: Assert client id in SetSolo r=heinrich5991 a=def-

I could not find a way that an invalid client ID is used here, but
compiler warns anyway:
```
In member function ‘void CTeamsCore::SetSolo(int, bool)’,
    inlined from ‘void CCharacter::SetSolo(bool)’ at src/game/client/prediction/entities/character.cpp:29:22,
    inlined from ‘void CCharacter::HandleTiles(int)’ at src/game/client/prediction/entities/character.cpp:882:10:
src/game/teamscore.h:45:34: warning: array subscript [0, 63] is outside array bounds of ‘bool [64]’ [-Warray-bounds]
   45 |                 m_IsSolo[ClientID] = Value;
      |                 ~~~~~~~~~~~~~~~~~^
src/game/teamscore.h: In member function ‘void CCharacter::HandleTiles(int)’:
src/game/teamscore.h:27:14: note: while referencing ‘CTeamsCore::m_IsSolo’
   27 |         bool m_IsSolo[MAX_CLIENTS];
      |              ^~~~~~~~
```
<!-- What is the motivation for the changes of this pull request -->

## Checklist

- [x] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test if it works standalone, system.c especially
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


5112: Update traditional_chinese.txt r=def- a=Cheeser0613

<!-- What is the motivation for the changes of this pull request -->

## Checklist

- [ ] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test if it works standalone, system.c especially
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


5115: Update simplified_chinese.txt r=def- a=Cheeser0613

<!-- What is the motivation for the changes of this pull request -->

## Checklist

- [ ] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test if it works standalone, system.c especially
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


5117: Update tooltip text after changing language r=Jupeyy a=def-

Thanks to cheeser0613 for report

<!-- What is the motivation for the changes of this pull request -->

## Checklist

- [x] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test if it works standalone, system.c especially
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


Co-authored-by: def <dennis@felsin9.de>
Co-authored-by: Cheeser0613 <54943099+Cheeser0613@users.noreply.github.com>

data/languages/simplified_chinese.txt

@@ -21,6 +21,8 @@
 # 2022-03-24 cheeser0613
 # 2022-03-29 Dan_cao
 # 2022-04-01 Dan_cao
+# 2022-05-14 Dan_cao
+# 2022-05-14 cheeser0613
 ##### /authors #####
 
 ##### translated strings #####
@@ -726,7 +728,7 @@ Friend message
 == 好友消息
 
 Save the best demo of each race
-== 保存每场游戏最好记录的回放
+== 保存每场游戏最佳记录的回放
 
 Ghost
 == 影子
@@ -818,7 +820,7 @@ Ratio
 ##### Ratio的算法是击杀除以死亡次数 #####
 
 AntiPing
-== 延迟补偿
+== 延迟补偿（AntiPing）
 
 Countries
 == 国家
@@ -1369,37 +1371,37 @@ auto
 == 自动
 
 Tutorial
-== 进入教学
+== 教学
 
 Can't find a Tutorial server
 == 无法找到教学服务器
 
 Toggle to edit your dummy settings
-== 
+== 编辑分身设置
 
 Choose default eyes when joining a server
-== 
+== 进入服务器时的默认表情
 
 Allows maps to render with more detail
-== 
+== 允许地图渲染更多细节
 
 When you cross the start line, show a ghost tee replicating the movements of your best time
-== 
+== 当越过起跑线时，游戏里将有影子回放你的最佳成绩
 
 Opacity
-== 
+== 不透明度
 
 Adjust the opacity of entities belonging to other teams, such as tees and nameplates
-== 
+== 调整单人区域或其他队伍中玩家的不透明度
 
 Quads are used for background decoration
-== 
+== 显示用作背景装饰的贴图
 
 Tries to predict other entities to give a feel of low latency
-== 
+== 尝试预测其他实体物以带来低延迟的游玩体验
 
 Super
-== 
+== 无敌
 
 Team %d
-== 
+== 队伍 %d

data/languages/traditional_chinese.txt

@@ -12,6 +12,7 @@
 # 2022-03-19 cheeser0613
 # 2022-03-22 cheeser0613
 # 2022-03-24 cheeser0613
+# 2022-05-14 cheeser0613
 ##### /authors #####
 
 ##### translated strings #####
@@ -1047,7 +1048,7 @@ DDraceNetwork is a cooperative online game where the goal is for you and your gr
 == DDraceNetwork 是以到達地圖終點為目標，單人或組隊的線上合作遊戲。如果你是新手，你可以從有入門級地圖的 Novice 伺服器開 始。記得選擇 Ping 值低的伺服器。
 
 It's recommended that you check the settings to adjust them to your liking before joining a server.
-== 推薦在進入伺服器前，先將設定調整到符合你的習慣。
+== 推薦在加入伺服器前，先將設定調整到符合你的習慣。
 
 Please enter your nickname below.
 == 請輸入你的暱稱。
@@ -1336,10 +1337,10 @@ Windowed fullscreen
 == 視窗化全螢幕
 
 The format of texture %s is not RGBA which will cause visual bugs.
-== %s 材質文件并非RGBA格式因此可能會導致視覺錯誤
+== 紋理文件 %s 并非 RGBA 格式，這可能會導致顯示錯誤
 
 Join Tutorial Server
-== 進入教學伺服器
+== 加入教學伺服器
 
 Skip Tutorial
 == 跳過教學
@@ -1348,7 +1349,7 @@ Renderer
 == 渲染設定
 
 default
-== 默認
+== 預設
 
 custom
 == 自定義
@@ -1360,37 +1361,37 @@ auto
 == 自動
 
 Tutorial
-== 進入教學
+== 教學
 
 Toggle to edit your dummy settings
-== 
+== 編輯分身設定
 
 Choose default eyes when joining a server
-== 
+== 加入伺服器時的預設表情
 
 Allows maps to render with more detail
-== 
+== 允許地圖渲染更多細節
 
 When you cross the start line, show a ghost tee replicating the movements of your best time
-== 
+== 當越過起跑綫時，游戲裏將有影子回放你的最佳成績
 
 Opacity
-== 
+== 不透明度
 
 Adjust the opacity of entities belonging to other teams, such as tees and nameplates
-== 
+== 調整單人區域或其他隊伍中玩家的不透明度
 
 Quads are used for background decoration
-== 
+== 顯示用於背景裝飾的貼圖
 
 Tries to predict other entities to give a feel of low latency
-== 
+== 嘗試預測其他實體物以帶來低延遲的游玩體驗
 
 Can't find a Tutorial server
-== 
+== 無法找到教學伺服器
 
 Super
-== 
+== 無敵
 
 Team %d
-== 
+== 隊伍 %d

src/game/client/components/tooltips.cpp

@@ -40,6 +40,7 @@ void CTooltips::DoToolTip(const void *pID, const CUIRect *pNearRect, const char
 	if(!result.second)
 	{
 		Tooltip.m_Rect = *pNearRect; // update in case of window resize
+		Tooltip.m_pText = pText; // update in case of language change
 	}
 
 	Tooltip.m_OnScreen = true;

src/game/server/entities/character.cpp

@@ -2010,7 +2010,7 @@ void CCharacter::SendZoneMsgs()
 {
 	// send zone leave msg
 	// (m_TuneZoneOld >= 0: avoid zone leave msgs on spawn)
-	if(m_TuneZoneOld >= 0 && GameServer()->m_aaZoneLeaveMsg[m_TuneZoneOld])
+	if(m_TuneZoneOld >= 0 && GameServer()->m_aaZoneLeaveMsg[m_TuneZoneOld][0])
 	{
 		const char *pCur = GameServer()->m_aaZoneLeaveMsg[m_TuneZoneOld];
 		const char *pPos;
@@ -2025,7 +2025,7 @@ void CCharacter::SendZoneMsgs()
 		GameServer()->SendChatTarget(m_pPlayer->GetCID(), pCur);
 	}
 	// send zone enter msg
-	if(GameServer()->m_aaZoneEnterMsg[m_TuneZone])
+	if(GameServer()->m_aaZoneEnterMsg[m_TuneZone][0])
 	{
 		const char *pCur = GameServer()->m_aaZoneEnterMsg[m_TuneZone];
 		const char *pPos;
@@ -2371,4 +2371,4 @@ int64_t CCharacter::TeamMask()
 void CCharacter::SwapClients(int Client1, int Client2)
 {
 	m_Core.m_HookedPlayer = m_Core.m_HookedPlayer == Client1 ? Client2 : m_Core.m_HookedPlayer == Client2 ? Client1 : m_Core.m_HookedPlayer;
-}
+}

src/game/teamscore.h

@@ -42,6 +42,7 @@ public:
 	void Reset();
 	void SetSolo(int ClientID, bool Value)
 	{
+		dbg_assert(ClientID >= 0 && ClientID < MAX_CLIENTS, "Invalid client id");
 		m_IsSolo[ClientID] = Value;
 	}