Add GiveWeaponCommand

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

+package emu.grasscutter.command.commands;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.command.Command;
+import emu.grasscutter.command.CommandHandler;
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.def.ItemData;
+import emu.grasscutter.game.inventory.GameItem;
+import emu.grasscutter.game.inventory.ItemType;
+import emu.grasscutter.game.player.Player;
+
+import java.util.List;
+
+@Command(label = "giveweapon", usage = "giveweapon <playerId> <weaponId> [level] [refine]",
+        description = "Gives the player a specified weapon", aliases = {"givew"}, permission = "player.giveweapon")
+public final class GiveWeaponCommand implements CommandHandler {
+
+    @Override
+    public void execute(Player sender, List<String> args) {
+        int target, weaponId, level = 1, refine = 0;
+
+        if (sender == null && args.size() < 2) {
+            CommandHandler.sendMessage(null, "Usage: giveweapon <playerId> <weaponId> [level] [refine]");
+            return;
+        }
+        if (sender != null && args.size() < 1) {
+            CommandHandler.sendMessage(sender, "Usage: giveweapon <weaponId> [level] [refine]");
+        }
+
+        target = Integer.parseInt(args.get(0));
+        if (Grasscutter.getGameServer().getPlayerByUid(target) == null && sender != null) {
+            target = sender.getUid();
+            weaponId = Integer.parseInt(args.get(0));
+            if (args.size() > 1) {
+                level = Integer.parseInt(args.get(1));
+            }
+            if (args.size() > 2) {
+                refine = Integer.parseInt(args.get(2));
+            }
+        } else {
+            weaponId = Integer.parseInt(args.get(1));
+            if (args.size() > 2) {
+                level = Integer.parseInt(args.get(2));
+            }
+            if (args.size() > 3) {
+                refine = Integer.parseInt(args.get(3));
+            }
+        }
+
+        if (level < 1 || level > 90) {
+            CommandHandler.sendMessage(sender, "Level must be between 1 and 90");
+            return;
+        }
+        if (refine < 0 || refine > 4) {
+            CommandHandler.sendMessage(sender, "Refine must be between 0 and 4");
+            return;
+        }
+
+        try {
+            ItemData weaponData = GameData.getItemDataMap().get(weaponId);
+            if (weaponData == null) {
+                CommandHandler.sendMessage(sender, "Invalid weapon id.");
+            } else if (weaponData.getItemType() == ItemType.ITEM_WEAPON) {
+                GameItem weapon = new GameItem(weaponData);
+                weapon.setLevel(level);
+                if (level > 20 && level < 40) {
+                    weapon.setPromoteLevel(1);
+                } else if (level > 40 && level < 50) {
+                    weapon.setPromoteLevel(2);
+                } else if (level > 50 && level < 60) {
+                    weapon.setPromoteLevel(3);
+                } else if (level > 60 && level < 70) {
+                    weapon.setPromoteLevel(4);
+                } else if (level > 70 && level < 80) {
+                    weapon.setPromoteLevel(5);
+                } else if (level > 80 && level < 90) {
+                    weapon.setPromoteLevel(6);
+                }
+                weapon.setRefinement(refine);
+                weapon.setCount(1);
+
+                Player targetPlayer = Grasscutter.getGameServer().getPlayerByUid(target);
+                if (targetPlayer == null) {
+                    CommandHandler.sendMessage(sender, "Player not found.");
+                    return;
+                }
+                targetPlayer.getInventory().addItem(weapon);
+                CommandHandler.sendMessage(sender, String.format("Given %s to %s.", weaponId, target));
+            } else {
+                CommandHandler.sendMessage(sender, "Invalid weapon id.");
+            }
+        } catch (NumberFormatException ignored) {
+            CommandHandler.sendMessage(sender, "Invalid weapon or player ID.");
+        }
+    }
+}