Add command /coop and /tpall

README.md

@@ -108,6 +108,7 @@ There is a dummy user named "Server" in every player's friends list that you can
 | -------------- | ------------------------------------------------- | ------------------------- | ------------ | ------------------------------------------------------------ | ----------------------------------------------- |
 | account        | account <create\|delete> <username> [UID]         |                           | Server only  | Creates an account with the specified username and the in-game UID for that account. The UID will be auto generated if not set. |                                                 |
 | broadcast      | broadcast <message>                               | server.broadcast          | Both side    | Sends a message to all the players.                          | b                                               |
+| coop           | coop <playerId> <target playerId>                 | server.coop               | Both side    | Forces someone to join the world of others.                  |                                                 |                                           
 | changescene    | changescene <scene id>                            | player.changescene        | Client only  | Switch scenes by scene ID.                                   | scene                                           |
 | clearartifacts | clearartifacts                                    | player.clearartifacts     | Client only  | Deletes all unequipped and unlocked level 0 artifacts, including 5-star rarity ones from your inventory. | clearart                                        |
 | clearweapons   | clearweapons                                      | player.clearweapons       | Client only  | Deletes all unequipped and unlocked weapons, including 5-star rarity ones from your inventory. | clearwpns                                       |
@@ -134,6 +135,7 @@ There is a dummy user named "Server" in every player's friends list that you can
 | stop           | stop                                              | server.stop               | Both side    | Stops the server                                             |                                                 |
 | talent         | talent <talentID> <value>                         | player.settalent          | Client only  | Sets talent level for your currently selected character           |                                                 |
 | teleport       | teleport <x> <y> <z>                              | player.teleport           | Client only  | Change the player's position.                                | tp                                              |
+| tpall          |                                                   | player.tpall              | Client only  | Teleports all players in your world to your position         |                                                 |
 | weather        | weather <weatherID> <climateID>                   | player.weather            | Client only  | Changes the weather                                          | w                                               |
 
 ### Bonus

README_zh-CN.md

@@ -109,6 +109,7 @@ chmod +x gradlew
 | -------------- | -------------------------------------------- | ------------------------- | -------- | ------------------------------------------ | ----------------------------------------------- |
 | account        | account <create\|delete> <用户名> [uid]      |                           | 仅服务端 | 通过指定用户名和uid增删账户                |                                                 |
 | broadcast      | broadcast <消息内容>                         | server.broadcast          | 均可使用 | 给所有玩家发送公告                         | b                                               |
+| coop           | coop <uid> <目标uid>                 | server.coop               | 均可使用    | 强制某位玩家进入指定玩家的多人世界                  |                                                 |
 | changescene    | changescene <场景ID>                         | player.changescene        | 仅客户端 | 切换到指定场景                             | scene                                           |
 | clearartifacts | clearartifacts                               | player.clearartifacts     | 仅客户端 | 删除所有未装备及未解锁的圣遗物,包括五星    | clearart                                        |
 | clearweapons   | clearweapons                                 | player.clearweapons       | 仅客户端 | 删除所有未装备及未解锁的武器,包括五星      | clearwp                                         |
@@ -135,6 +136,7 @@ chmod +x gradlew
 | stop           | stop                                         | server.stop               | 均可使用 | 停止服务器                                 |                                                 |
 | talent         | talent <天赋ID> <等级>                       | player.settalent          | 仅客户端 | 设置当前角色的天赋等级                     |                                                 |
 | teleport       | teleport <x> <y> <z>                         | player.teleport           | 仅客户端 | 传送玩家到指定坐标                         | tp                                              |
+| tpall          |                                                   | player.tpall              | 仅客户端  | 传送多人世界中所有的玩家到自身地点         |                                                 |
 | weather        | weather <天气ID> <气候ID>                    | player.weather            | 仅客户端 | 改变天气                                   | w                                               |
 
 ### 额外功能

src/main/java/emu/grasscutter/command/commands/CoopCommand.java

+package emu.grasscutter.command.commands;
+
+import emu.grasscutter.command.Command;
+import emu.grasscutter.command.CommandHandler;
+import emu.grasscutter.game.player.Player;
+
+import java.util.List;
+
+@Command(label = "coop", usage = "coop",
+        description = "Forces someone to join the world of others", permission = "server.coop")
+public class CoopCommand implements CommandHandler {
+    @Override
+    public void execute(Player sender, List<String> args) {
+        if (args.size() < 2) {
+            CommandHandler.sendMessage(sender, "Usage: coop <playerId> <target playerId>");
+            return;
+        }
+        try {
+            int tid = Integer.parseInt(args.get(0));
+            int hostId = Integer.parseInt(args.get(1));
+            Player host = sender.getServer().getPlayerByUid(hostId);
+            Player want = sender.getServer().getPlayerByUid(tid);
+            if (host == null || want == null) {
+                CommandHandler.sendMessage(sender, "Player is offline.");
+                return;
+            }
+            if (want.isInMultiplayer()) {
+                sender.getServer().getMultiplayerManager().leaveCoop(want);
+            }
+            sender.getServer().getMultiplayerManager().applyEnterMp(want, hostId);
+            sender.getServer().getMultiplayerManager().applyEnterMpReply(host, tid, true);
+        } catch (Exception e) {
+            CommandHandler.sendMessage(sender, "Player id is not valid.");
+        }
+    }
+}

src/main/java/emu/grasscutter/command/commands/TpallCommand.java

+package emu.grasscutter.command.commands;
+
+import emu.grasscutter.command.Command;
+import emu.grasscutter.command.CommandHandler;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.utils.Position;
+
+import java.util.List;
+
+@Command(label = "tpall", usage = "tpall",
+        description = "Teleports all players in your world to your position", permission = "player.tpall")
+public class TpallCommand implements CommandHandler {
+    @Override
+    public void execute(Player sender, List<String> args) {
+        if (sender == null) {
+            CommandHandler.sendMessage(null, "Run this command in-game.");
+            return;
+        }
+        if (!sender.getWorld().isMultiplayer()) {
+            CommandHandler.sendMessage(sender, "You only can use this command in MP mode.");
+            return;
+        }
+        for (Player gp : sender.getWorld().getPlayers()) {
+            if (gp.equals(sender))
+                continue;
+            Position pos = sender.getPos();
+
+            gp.getWorld().transferPlayerToScene(gp, sender.getSceneId(), pos);
+        }
+    }
+}