Add `unlockall` command to unlock all openstates

src/main/java/emu/grasscutter/command/commands/UnlockAllCommand.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.game.props.OpenState;
+import emu.grasscutter.server.packet.send.PacketOpenStateChangeNotify;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static emu.grasscutter.utils.Language.translate;
+
+@Command(label = "unlockall", usage = {""}, permission = "player.unlockall", permissionTargeted = "player.unlockall.others")
+public final class UnlockAllCommand implements CommandHandler {
+
+    @Override
+    public void execute(Player sender, Player targetPlayer, List<String> args) {
+        Map<Integer, Integer> changed = new HashMap<>();
+        
+        for (OpenState state : OpenState.values()) {
+            if (state == OpenState.OPEN_STATE_NONE || state == OpenState.OPEN_STATE_LIMIT_REGION_GLOBAL) continue;
+            
+            if (targetPlayer.getOpenStateManager().getOpenStateMap().getOrDefault(state.getValue(), 0) == 0) {
+                targetPlayer.getOpenStateManager().getOpenStateMap().put(state.getValue(), 1); 
+                changed.put(state.getValue(), 1);
+            }
+        }
+        
+        targetPlayer.sendPacket(new PacketOpenStateChangeNotify(changed));
+        
+        CommandHandler.sendMessage(sender, translate(sender, "commands.unlockall.success", targetPlayer.getNickname()));
+    }
+}

src/main/java/emu/grasscutter/server/packet/send/PacketOpenStateChangeNotify.java

 package emu.grasscutter.server.packet.send;
 
+import java.util.Map;
+
 import emu.grasscutter.net.packet.BasePacket;
 import emu.grasscutter.net.packet.PacketOpcodes;
 import emu.grasscutter.net.proto.OpenStateChangeNotifyOuterClass.OpenStateChangeNotify;
@@ -11,7 +13,18 @@ public class PacketOpenStateChangeNotify extends BasePacket {
         super(PacketOpcodes.OpenStateChangeNotify);
 
         OpenStateChangeNotify proto = OpenStateChangeNotify.newBuilder()
-            .putOpenStateMap(openState,value).build();
+            .putOpenStateMap(openState, value)
+            .build();
+
+        this.setData(proto);
+    }
+    
+    public PacketOpenStateChangeNotify(Map<Integer, Integer> map) {
+        super(PacketOpcodes.OpenStateChangeNotify);
+
+        OpenStateChangeNotify proto = OpenStateChangeNotify.newBuilder()
+            .putAllOpenStateMap(map)
+            .build();
 
         this.setData(proto);
     }

src/main/resources/languages/en-US.json

@@ -326,6 +326,10 @@
       "invalid_time": "Unable to parse timestamp.",
       "description": "Ban a player"
     },
+    "unlockall": {
+      "success": "Unlocked all open states for %s.",
+      "description": "Unlocks all open states for a player."
+    },
     "unban": {
       "success": "Successful.",
       "failure": "Failed, player not found.",