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torben |
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package dk.thoerup.bukkit.hoeruputils; |
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import org.bukkit.Location; |
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import org.bukkit.Server; |
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import org.bukkit.command.Command; |
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import org.bukkit.command.CommandExecutor; |
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import org.bukkit.command.CommandSender; |
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import org.bukkit.entity.Player; |
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public class WhereisCommand implements CommandExecutor { |
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Server server; |
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public WhereisCommand(Server server) { |
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this.server = server; |
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} |
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@Override |
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public boolean onCommand(final CommandSender sender, Command command, String label, String[] args) { |
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if (!(sender instanceof Player)) { |
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sender.sendMessage("Whereis: What are you"); |
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return true; |
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} |
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if (args.length != 1) { |
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sender.sendMessage("Usage: /whereis <playername>"); |
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return true; |
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} |
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Player target = server.getPlayer(args[0]); |
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if (target == null) { |
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sender.sendMessage("Whereis: Could not find player: " + args[0] ); |
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return true; |
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} |
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Location targetLoc = target.getLocation(); |
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Player player = (Player) sender; |
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int dist = calcDistance(player.getLocation(), targetLoc); |
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int bearing = calcBearing(player.getLocation(), targetLoc); |
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target.sendMessage("Whereis: you are tracked by " + player.getName() ); |
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player.sendMessage("Whereis: " + target.getName() + " is at " + (int)targetLoc.getX() + "," + (int)targetLoc.getY() + "," +(int)targetLoc.getZ() ); |
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player.sendMessage("Distance: " + dist + ", bearing: " + bearing + "(" + getBearingStr(bearing) + ")" ); |
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return true; |
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} |
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public static String getBearingStr(int angle) { |
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if (angle < 22) { |
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return "N"; |
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} else if (angle < 67) { |
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return "NE"; |
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} else if (angle < 112) { |
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return "E"; |
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} else if (angle < 157) { |
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return "SE"; |
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} else if (angle < 202) { |
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return "S"; |
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} else if (angle < 257) { |
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return "SW"; |
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} else if (angle < 292) { |
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return "W"; |
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} else if (angle < 337) { |
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return "NW"; |
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} else { |
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return "N"; |
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} |
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} |
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public static int calcDistance(Location loc1, Location loc2) { |
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double distX = loc1.getX() - loc2.getX() ; |
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double distZ = loc1.getZ() - loc2.getZ() ; |
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int dist = (int) Math.round( Math.sqrt( (distX*distX) + (distZ*distZ)) ); |
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return dist; |
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} |
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public static int calcBearing(Location loc1, Location loc2) { |
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double distX = loc1.getX() - loc2.getX() ; |
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double distZ = loc1.getZ() - loc2.getZ() ; |
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double angle = Math.toDegrees( Math.atan( distZ / distX ) ); |
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if (angle < 0.0) |
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angle += 90.0; |
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if (distX >= 0.0 && distZ >= 0.0) { //both positive, 0-90 degrees |
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//do nothing |
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} else if (distX < 0.0 && distZ >= 0.0) { // 90-180 degrees |
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angle += 90.0; |
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} else if (distX < 0.0 && distZ < 0.0) {//Both negative 180-270 degrees |
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angle += 180.0; |
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} else { |
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angle += 270.0; |
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} |
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return (int) angle; |
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} |
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} |
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