Add CheckupCommand

Signed-off-by: Etzelia <etzelia@hotmail.com>

src/main/java/xyz/etztech/qol/QoL.java

@@ -105,6 +105,8 @@ public class QoL extends JavaPlugin {
             this.getCommand("deathmute").setExecutor(deathMuteCommand);
             KaratTrophyCommand karatTrophyCommand = new KaratTrophyCommand(this);
             this.getCommand("karattrophy").setExecutor(karatTrophyCommand);
+            CheckupCommand checkupCommand = new CheckupCommand(this);
+            this.getCommand("checkup").setExecutor(checkupCommand);
 
             if (getConfig().getStringList("list").size() > 0) {
                 ListCommand listCommand = new ListCommand(this);

src/main/java/xyz/etztech/qol/commands/CheckupCommand.java

@@ -0,0 +1,138 @@
+package xyz.etztech.qol.commands;
+
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.Location;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import xyz.etztech.qol.EtzTechUtil;
+import xyz.etztech.qol.Lang;
+import xyz.etztech.qol.QoL;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.UUID;
+
+public class CheckupCommand implements CommandExecutor {
+
+
+    QoL plugin;
+    private static HashMap<UUID, Checkup> checkups = new HashMap<>();
+
+    public CheckupCommand(QoL paramQoL)
+    {
+        this.plugin = paramQoL;
+    }
+
+    public static void join(Player player) {
+        Checkup checkup;
+        for (UUID uuid : checkups.keySet()) {
+            checkup = checkups.get(uuid);
+            for (Player pl : checkup.players) {
+                if (pl.getUniqueId().equals(player.getUniqueId())) {
+                    return; // Don't check twice, even if they re-logged
+                }
+            }
+            checkup.players.add(player);
+            checkups.put(uuid, checkup);
+        }
+    }
+
+    @Override
+    public boolean onCommand(CommandSender commandSender, Command command, String s, String[] args) {
+        if (!( commandSender instanceof Player)) {
+            EtzTechUtil.sms(commandSender, Lang.NO_CONSOLE.getDef());
+            return true;
+        }
+        if (!commandSender.hasPermission("qol.checkup")) {
+            EtzTechUtil.sms(commandSender, Lang.NO_PERMISSION.getDef());
+            return true;
+        }
+        if (args.length < 1) {
+            EtzTechUtil.sms(commandSender, ChatColor.RED + "Please specify a sub-command. `/checkup <start|stop|next>`");
+            return true;
+        }
+
+        Player player = (Player) commandSender;
+        switch (args[0].toLowerCase()) {
+            case "start":
+                start(player);
+                break;
+            case "stop":
+                stop(player);
+                break;
+            case "next":
+                next(player);
+                break;
+            default:
+                EtzTechUtil.sms(commandSender, ChatColor.RED + "Invalid sub-command. `/checkup <start|stop|next>`");
+        }
+      
+        return true;
+    }
+
+    private void start(Player player) {
+        if (checkups.containsKey(player.getUniqueId())) {
+            EtzTechUtil.sms(player, ChatColor.RED + "You are already performing a checkup. Stop with `/checkup stop` or continue with `/checkup next`");
+            return;
+        }
+
+        checkups.put(player.getUniqueId(), new Checkup(new ArrayList<>(Bukkit.getOnlinePlayers()), player.getLocation()));
+
+    }
+
+    private void stop(Player player) {
+        if (!checkups.containsKey(player.getUniqueId())) {
+            EtzTechUtil.sms(player, ChatColor.RED + "You aren't currently performing a checkup. Start one with `/checkup start`");
+            return;
+        }
+
+        Checkup checkup = checkups.get(player.getUniqueId());
+        checkups.remove(player.getUniqueId());
+        player.teleport(checkup.back);
+    }
+
+    private void next(Player player) {
+        if (!checkups.containsKey(player.getUniqueId())) {
+            EtzTechUtil.sms(player, ChatColor.RED + "You aren't currently performing a checkup. Start one with `/checkup start`");
+            return;
+        }
+
+        Checkup checkup = checkups.get(player.getUniqueId());
+        Player next;
+        while (checkup.hasNext()) {
+            // Loop until current player is online
+            next = checkup.next();
+            if (next.isOnline()) {
+                player.teleport(next.getLocation());
+                checkups.put(player.getUniqueId(), checkup);
+                return;
+            }
+        }
+
+        EtzTechUtil.sms(player, ChatColor.GREEN + "This is the last player in the checkup. Once you are finished, use `/checkup stop`");
+    }
+
+    private class Checkup {
+        Integer index;
+        List<Player> players;
+        Location back;
+
+        private Checkup(List<Player> players, Location back) {
+            this.index = 0;
+            this.players = players;
+            this.back = back;
+        }
+
+        private boolean hasNext() {
+            return this.index < this.players.size();
+        }
+
+        private Player next() {
+            return this.players.get(this.index++);
+        }
+    }
+}

src/main/java/xyz/etztech/qol/listeners/JoinListener.java

@@ -9,11 +9,9 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerLoginEvent;
 import xyz.etztech.qol.QoL;
+import xyz.etztech.qol.commands.CheckupCommand;
 
-import java.util.ArrayList;
+import java.util.*;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
 
 public class JoinListener implements Listener {
 
@@ -60,6 +58,7 @@ public class JoinListener implements Listener {
 
         plugin.updatePlayerViewDistance(player);
 
+        CheckupCommand.join(player);
     }
 
 }