Witch of Git - minecraft-eda/blob - mc-mask/src/main.rs

   1 use rcon::{self, Connection};
   2 use regex::Regex;
   3 use std::error::Error;
   4
   5 fn block_below_player(conn: &mut Connection, user: &str)
   6     -> Result<(i32, i32, i32), Box<dyn Error>>
   7  {
   8     let cmd = format!("execute at {user} run tp {user} ~ ~ ~", user=user);
   9     let text = conn.cmd(&cmd)?;
  10     let re = Regex::new(r"Teleported .* to (.*), (.*), (.*)").unwrap();
  11     if let Some(cap) = re.captures(&text) {
  12         let x = (cap[1].parse::<f32>()? + 0.0) as i32;
  13         let y = (cap[2].parse::<f32>()? - 1.0) as i32;
  14         let z = (cap[3].parse::<f32>()? - 1.0) as i32;
  15         Ok((x, y, z))
  16     } else {
  17         Err(text)?
  18     }
  19 }
  20
  21 fn main() -> Result<(), Box<dyn Error>> {
  22     if std::env::args().len() != 4 {
  23         println!(
  24             "Usage: {} <server> <rcon-password> <user>",
  25             std::env::args().nth(0).unwrap(),
  26         );
  27         return Ok(());
  28     }
  29     let addr = std::env::args().nth(1).unwrap();
  30     let password = std::env::args().nth(2).unwrap();
  31     let user = std::env::args().nth(3).unwrap();
  32     let mut conn = Connection::connect(&addr, &password)?;
  33     let (x, y, z) = block_below_player(&mut conn, &user)?;
  34     let cmd = format!("setblock {} {} {} gold_block", x, y, z);
  35     conn.cmd(&cmd)?;
  36     Ok(())
  37 }