Added radar command.

Signed-off-by: Steven Lawson <steven@smlawson.com>

src/me/StevenLawson/TotalFreedomMod/RadarData.java

@@ -0,0 +1,28 @@
+package me.StevenLawson.TotalFreedomMod;
+
+import java.util.Comparator;
+import org.bukkit.entity.Player;
+
+public class RadarData implements Comparator<RadarData>
+{
+	Player player;
+	double distance;
+	
+	public RadarData(Player inplayer, double indistance)
+	{
+		this.player = inplayer;
+		this.distance = indistance;
+	}
+	
+	public RadarData()
+	{
+	}
+
+	@Override
+	public int compare(RadarData t1, RadarData t2)
+	{
+		if (t1.distance > t2.distance) return 1;
+		else if (t1.distance < t2.distance) return -1;
+		else return 0;
+	}
+}

src/me/StevenLawson/TotalFreedomMod/TotalFreedomMod.java

@@ -2,12 +2,14 @@ package me.StevenLawson.TotalFreedomMod;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.GameMode;
+import org.bukkit.Location;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -576,6 +578,51 @@ public class TotalFreedomMod extends JavaPlugin
 
             return true;
         }
+        else if (cmd.getName().equalsIgnoreCase("radar"))
+        {
+            if (player == null)
+            {
+				sender.sendMessage("This command can only be used in-game.");
+				return true;
+            }
+
+			Player sender_player = Bukkit.getPlayerExact(sender.getName());
+			Location sender_pos = sender_player.getLocation();
+			String sender_world = sender_player.getWorld().getName();
+
+			List<RadarData> radar_data = new ArrayList<RadarData>();
+
+			for (Player p : Bukkit.getOnlinePlayers())
+			{
+				if (sender_world.equals(p.getWorld().getName()))
+				{
+					radar_data.add(new RadarData(p, sender_pos.distance(p.getLocation())));
+				}
+			}
+
+			Collections.sort(radar_data, new RadarData());
+
+			sender.sendMessage(ChatColor.YELLOW + "People nearby in " + sender_world + ":");
+
+			int countmax = 5;
+			if (args.length == 1)
+			{
+				countmax = Integer.parseInt(args[0]);
+			}
+
+			int count = 0;
+			for (RadarData i : radar_data)
+			{
+				if (count++ > countmax)
+				{
+					break;
+				}
+
+				sender.sendMessage(ChatColor.YELLOW + String.format("%s - %d", i.player.getName(), Math.round(i.distance)));
+			}
+
+            return true;
+        }
 
         return false;
     }

src/plugin.yml

@@ -40,6 +40,9 @@ commands:
   qop:
     description: Quick Op - op someone based on a partial name.
     usage: /<command> <partialname>
+  radar:
+    description: Shows nearby people sorted by distance.
+    usage: /<command>
   say:
     description: Broadcasts the given message as the console, includes sender.
     usage: /<command> <message>