bukkit/hoeruputils/WhereisCommand.java

package dk.thoerup.bukkit.hoeruputils;

import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.Server;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

public class WhereisCommand implements CommandExecutor {
        
        Server server;
        
        public WhereisCommand(Server server) {
                this.server = server;
        }

        @Override
        public boolean onCommand(final CommandSender sender, Command command, String label, String[] args) {
                

                if (args.length != 1) {
                        sender.sendMessage("Usage: /whereis <playername>");
                        return true;
                }
                
                @SuppressWarnings("deprecation")//user by name is our only option here
                Player target = server.getPlayer(args[0]);
                 
                if (target == null) {
                        sender.sendMessage("Whereis: Could not find player: " + args[0] );
                        return true;
                }
                
                Location targetLoc = target.getLocation();              
                Player player = (Player) sender;
                
                if (player.getLocation().getWorld() != targetLoc.getWorld()) {
                        sender.sendMessage("Whereis: player " + args[0] + " is in another world: " + targetLoc.getWorld().getName() );
                        return true;
                }
                
                int dist = calcDistance(player.getLocation(), targetLoc);
                int bearing = calcBearing(player.getLocation(), targetLoc);


                //target.sendMessage("Whereis: you are tracked by " + player.getName() );
                
                
                player.sendMessage( ChatColor.WHITE + String.format("Whereis: %s is at %d,%d,%d", target.getName(), (int)targetLoc.getX(), (int)targetLoc.getY(), (int)targetLoc.getZ())  );
                player.sendMessage( ChatColor.WHITE + "Distance: " + dist + ", bearing: " + bearing + "(" + getBearingStr(bearing) + ")" );
                
                return true;
        }

        public static String getBearingStr(int angle) {
                if (angle < 22) {
                        return "N";
                } else if (angle < 67) {
                        return "NE";
                } else if (angle < 112) {
                        return "E";
                } else if (angle < 157) {
                        return "SE";
                } else if (angle < 202) {
                        return "S";
                } else if (angle < 257) {
                        return "SW";
                } else if (angle < 292) {
                        return "W";
                } else if (angle < 337) {
                        return "NW";
                } else {
                        return "N";
                }
        }

        public static int calcDistance(Location loc1, Location loc2) {
                double distX = loc1.getX() - loc2.getX()  ;
                double distZ = loc1.getZ() - loc2.getZ()  ;

                int dist = (int) Math.round( Math.sqrt( (distX*distX) + (distZ*distZ)) );

                return dist;
        }

        public static int calcBearing(Location loc1, Location loc2) {
                double distX = loc1.getX() - loc2.getX()  ;
                double distZ = loc1.getZ() - loc2.getZ()  ;

                double angle = Math.toDegrees( Math.atan( distZ / distX ) );
                if (angle < 0.0) 
                        angle += 90.0;


                if (distX >= 0.0 && distZ >= 0.0) { //both positive, 0-90 degrees
                        //do nothing
                } else if (distX < 0.0 && distZ >= 0.0) { // 90-180 degrees
                        angle += 90.0;
                } else if (distX < 0.0 && distZ < 0.0) {//Both negative 180-270 degrees
                        angle += 180.0; 
                } else {
                        angle += 270.0;
                }

                return (int) angle;
        }

        
}
1	torben	1236	package dk.thoerup.bukkit.hoeruputils;
2
3	torben	1237	import org.bukkit.ChatColor;
4	torben	1236	import org.bukkit.Location;
5			import org.bukkit.Server;
6			import org.bukkit.command.Command;
7			import org.bukkit.command.CommandExecutor;
8			import org.bukkit.command.CommandSender;
9			import org.bukkit.entity.Player;
10
11			public class WhereisCommand implements CommandExecutor {
12
13			Server server;
14
15			public WhereisCommand(Server server) {
16			this.server = server;
17			}
18
19			@Override
20			public boolean onCommand(final CommandSender sender, Command command, String label, String[] args) {
21
22	torben	2432
23	torben	1236
24			if (args.length != 1) {
25			sender.sendMessage("Usage: /whereis <playername>");
26			return true;
27			}
28
29	torben	2432	@SuppressWarnings("deprecation")//user by name is our only option here
30	torben	1236	Player target = server.getPlayer(args[0]);
31
32			if (target == null) {
33			sender.sendMessage("Whereis: Could not find player: " + args[0] );
34			return true;
35			}
36
37	torben	1484	Location targetLoc = target.getLocation();
38	torben	1236	Player player = (Player) sender;
39
40	torben	1484	if (player.getLocation().getWorld() != targetLoc.getWorld()) {
41			sender.sendMessage("Whereis: player " + args[0] + " is in another world: " + targetLoc.getWorld().getName() );
42			return true;
43			}
44
45	torben	1236	int dist = calcDistance(player.getLocation(), targetLoc);
46			int bearing = calcBearing(player.getLocation(), targetLoc);
47
48
49	torben	1470	//target.sendMessage("Whereis: you are tracked by " + player.getName() );
50	torben	1236
51
52	torben	1237
53			player.sendMessage( ChatColor.WHITE + String.format("Whereis: %s is at %d,%d,%d", target.getName(), (int)targetLoc.getX(), (int)targetLoc.getY(), (int)targetLoc.getZ()) );
54			player.sendMessage( ChatColor.WHITE + "Distance: " + dist + ", bearing: " + bearing + "(" + getBearingStr(bearing) + ")" );
55
56	torben	1236	return true;
57			}
58
59			public static String getBearingStr(int angle) {
60			if (angle < 22) {
61			return "N";
62			} else if (angle < 67) {
63			return "NE";
64			} else if (angle < 112) {
65			return "E";
66			} else if (angle < 157) {
67			return "SE";
68			} else if (angle < 202) {
69			return "S";
70			} else if (angle < 257) {
71			return "SW";
72			} else if (angle < 292) {
73			return "W";
74			} else if (angle < 337) {
75			return "NW";
76			} else {
77			return "N";
78			}
79			}
80
81			public static int calcDistance(Location loc1, Location loc2) {
82			double distX = loc1.getX() - loc2.getX() ;
83			double distZ = loc1.getZ() - loc2.getZ() ;
84
85			int dist = (int) Math.round( Math.sqrt( (distXdistX) + (distZdistZ)) );
86
87			return dist;
88			}
89
90			public static int calcBearing(Location loc1, Location loc2) {
91			double distX = loc1.getX() - loc2.getX() ;
92			double distZ = loc1.getZ() - loc2.getZ() ;
93
94			double angle = Math.toDegrees( Math.atan( distZ / distX ) );
95			if (angle < 0.0)
96			angle += 90.0;
97
98
99			if (distX >= 0.0 && distZ >= 0.0) { //both positive, 0-90 degrees
100			//do nothing
101			} else if (distX < 0.0 && distZ >= 0.0) { // 90-180 degrees
102			angle += 90.0;
103			} else if (distX < 0.0 && distZ < 0.0) {//Both negative 180-270 degrees
104			angle += 180.0;
105			} else {
106			angle += 270.0;
107			}
108
109			return (int) angle;
110			}
111
112
113			}