wServer.realm.entities.player.Player.Dist C# (CSharp) Method

        private float Dist(Entity a, Entity b)
        {
            var dx = a.X - b.X;
            var dy = a.Y - b.Y;
            return (float) Math.Sqrt(dx*dx + dy*dy);
        }

        protected override bool Process(Player player, RealmTime time, string[] args)
        {
            if (String.IsNullOrWhiteSpace(args[0]))
            {
                player.SendInfo("Usage: /invite <player name>");
                return false;
            }

            if (player.Guild[player.AccountId].Rank >= 20)
            {
                foreach (var i in player.Owner.Players.Values)
                {
                    Player target = player.Owner.GetPlayerByName(args[0]);

                    if (target == null)
                    {
                        player.SendInfoWithTokens("server.invite_notfound", new KeyValuePair<string, object>[1]
                        {
                            new KeyValuePair<string, object>("player", args[0])
                        });
                        return false;
                    }
                    if (!target.NameChosen || player.Dist(target) > 20)
                    {
                        player.SendInfoWithTokens("server.invite_notfound", new KeyValuePair<string, object>[1]
                        {
                            new KeyValuePair<string, object>("player", args[0])
                        });
                        return false;
                    }

                    if (target.Guild.IsDefault)
                    {
                        target.Client.SendPacket(new InvitedToGuildPacket()
                        {
                            Name = player.Name,
                            GuildName = player.Guild[player.AccountId].Name
                        });
                        target.Invited = true;
                        player.SendInfoWithTokens("server.invite_succeed", new KeyValuePair<string, object>[2]
                        {
                            new KeyValuePair<string, object>("player", args[0]),
                            new KeyValuePair<string, object>("guild", player.Guild[player.AccountId].Name)
                        });
                        return true;
                    }
                    else
                    {
                        player.SendError("Player is already in a guild!");
                        return false;
                    }
                }
            }
            else
            {
                player.Client.SendPacket(new TextPacket()
                {
                    BubbleTime = 0,
                    Stars = -1,
                    Name = "",
                    Text = "Members and initiates cannot invite!"
                });
            }
            return false;
        }