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 (!(sender instanceof Player)) {
                        sender.sendMessage("Whereis: What are you");
                        return true;
                }
                
                if (args.length != 1) {
                        sender.sendMessage("Usage: /whereis <playername>");
                        return true;
                }
                
                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;
                
                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			if (!(sender instanceof Player)) {
23			sender.sendMessage("Whereis: What are you");
24			return true;
25			}
26
27			if (args.length != 1) {
28			sender.sendMessage("Usage: /whereis <playername>");
29			return true;
30			}
31
32			Player target = server.getPlayer(args[0]);
33
34			if (target == null) {
35			sender.sendMessage("Whereis: Could not find player: " + args[0] );
36			return true;
37			}
38
39			Location targetLoc = target.getLocation();
40			Player player = (Player) sender;
41
42			int dist = calcDistance(player.getLocation(), targetLoc);
43			int bearing = calcBearing(player.getLocation(), targetLoc);
44
45
46	torben	1470	//target.sendMessage("Whereis: you are tracked by " + player.getName() );
47	torben	1236
48
49	torben	1237
50			player.sendMessage( ChatColor.WHITE + String.format("Whereis: %s is at %d,%d,%d", target.getName(), (int)targetLoc.getX(), (int)targetLoc.getY(), (int)targetLoc.getZ()) );
51			player.sendMessage( ChatColor.WHITE + "Distance: " + dist + ", bearing: " + bearing + "(" + getBearingStr(bearing) + ")" );
52
53	torben	1236	return true;
54			}
55
56			public static String getBearingStr(int angle) {
57			if (angle < 22) {
58			return "N";
59			} else if (angle < 67) {
60			return "NE";
61			} else if (angle < 112) {
62			return "E";
63			} else if (angle < 157) {
64			return "SE";
65			} else if (angle < 202) {
66			return "S";
67			} else if (angle < 257) {
68			return "SW";
69			} else if (angle < 292) {
70			return "W";
71			} else if (angle < 337) {
72			return "NW";
73			} else {
74			return "N";
75			}
76			}
77
78			public static int calcDistance(Location loc1, Location loc2) {
79			double distX = loc1.getX() - loc2.getX() ;
80			double distZ = loc1.getZ() - loc2.getZ() ;
81
82			int dist = (int) Math.round( Math.sqrt( (distXdistX) + (distZdistZ)) );
83
84			return dist;
85			}
86
87			public static int calcBearing(Location loc1, Location loc2) {
88			double distX = loc1.getX() - loc2.getX() ;
89			double distZ = loc1.getZ() - loc2.getZ() ;
90
91			double angle = Math.toDegrees( Math.atan( distZ / distX ) );
92			if (angle < 0.0)
93			angle += 90.0;
94
95
96			if (distX >= 0.0 && distZ >= 0.0) { //both positive, 0-90 degrees
97			//do nothing
98			} else if (distX < 0.0 && distZ >= 0.0) { // 90-180 degrees
99			angle += 90.0;
100			} else if (distX < 0.0 && distZ < 0.0) {//Both negative 180-270 degrees
101			angle += 180.0;
102			} else {
103			angle += 270.0;
104			}
105
106			return (int) angle;
107			}
108
109
110			}