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|
mod ai;
mod board;
mod console_helpers;
use ai::get_best_move;
use board::{Board, Coord, GameState, Tile, init_board, parse_coord};
use console_helpers::{clear_scrn, write_header};
use std::io;
fn render_board(board: &Board) -> () {
println!("+-1--2--3-+");
let mut y = 1;
for row_i in 0..3 {
let row: Vec<Tile> = (0..3).map(|col_i| board.state[col_i][row_i]).collect();
print!("{y}");
for tile in row {
print!(" {tile} ")
}
println!("|\n| |");
y += 1;
}
println!("+---------+");
}
fn get_coord_input() -> Coord {
loop {
let mut entered = String::new();
match io::stdin().read_line(&mut entered) {
Ok(_) => {}
Err(_) => {
println!("Couldn't read input!");
continue;
}
};
let coord = match parse_coord(&entered) {
Ok(c) => c,
Err(e) => {
println!("Couldn't parse input '{entered}'! ({e})");
continue;
}
};
return coord;
}
}
fn check_state(board: &Board) -> GameState {
//check row
let mut has_space = false;
for row_i in 0..3 {
let row: Vec<Tile> = (0..3)
.map(|col_i| {
if !has_space && board.state[col_i][row_i] == Tile::Unowned {
has_space = true
}
return board.state[col_i][row_i];
})
.collect();
if row[0] != Tile::Unowned && row[0] == row[1] && row[1] == row[2] {
return match row[0] {
Tile::PlayerOne => GameState::PlayerOneWin,
Tile::PlayerTwo => GameState::PlayerTwoWin,
Tile::Unowned => panic!("Impossible state"),
};
}
}
//check draw
if !has_space {
return GameState::Draw;
}
//check col
for col in board.state {
if col[0] != Tile::Unowned && col[0] == col[1] && col[1] == col[2] {
return match col[0] {
Tile::PlayerOne => GameState::PlayerOneWin,
Tile::PlayerTwo => GameState::PlayerTwoWin,
Tile::Unowned => panic!("Impossible state"),
};
}
}
//check diagonal
if board.state[0][0] != Tile::Unowned
&& board.state[0][0] == board.state[1][1]
&& board.state[1][1] == board.state[2][2]
{
return match board.state[0][0] {
Tile::PlayerOne => GameState::PlayerOneWin,
Tile::PlayerTwo => GameState::PlayerTwoWin,
Tile::Unowned => panic!("Impossible state"),
};
}
if board.state[2][0] != Tile::Unowned
&& board.state[2][0] == board.state[1][1]
&& board.state[1][1] == board.state[0][2]
{
return match board.state[2][0] {
Tile::PlayerOne => GameState::PlayerOneWin,
Tile::PlayerTwo => GameState::PlayerTwoWin,
Tile::Unowned => panic!("Impossible state"),
};
}
//no wincon
return GameState::InProgress;
}
fn main() {
let mut board = init_board();
loop {
// clear_scrn();
write_header("Current state");
render_board(&board);
println!("Enter a move (e.g., 1,2) >");
let coord = get_coord_input();
board.set_at_coord(coord, Tile::PlayerOne);
match check_state(&board) {
GameState::InProgress => (),
GameState::Draw => {
println!("Draw!");
break;
}
GameState::PlayerOneWin => {
println!("Player one wins!");
break;
}
GameState::PlayerTwoWin => {
println!("Player two wins!");
break;
}
}
clear_scrn();
//get AI move
let ai_move = get_best_move(&board, Tile::PlayerTwo, true);
board.set_at_coord(ai_move.coord, Tile::PlayerTwo);
match check_state(&board) {
GameState::InProgress => (),
GameState::Draw => {
println!("Draw!");
break;
}
GameState::PlayerOneWin => {
println!("Player one wins!");
break;
}
GameState::PlayerTwoWin => {
println!("Player two wins!");
break;
}
}
}
render_board(&board);
println!("Game over!")
}
|
