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use crate::tile::{Board, Direction};
pub struct Game {
board: Board,
steps: u32,
}
impl Game {
pub fn new() -> Self {
let board: Board = Default::default();
Self {
board: board,
steps: 0
}
}
#[cfg(test)]
fn new_with_values(values: Vec<u16>) -> Self {
Self {
board: Board::new(values),
steps: 0,
}
}
pub fn start_game(&mut self) {
self.reset_game();
self.board.generate_new_tile();
}
pub fn action(&mut self, dir: Direction) {
match dir {
Direction::Up => self.board.move_up(),
Direction::Down => self.board.move_down(),
Direction::Left => self.board.move_left(),
Direction::Right => self.board.move_right(),
}
}
pub fn get_board(&self) -> &Board {
&self.board
}
pub fn get_steps(&self) -> u32 {
self.steps
}
pub fn next(&mut self) -> bool {
let r = self.board.generate_new_tile();
self.steps += if r {1} else {0};
r
}
fn reset_game(&mut self) {
self.steps = 0;
self.board.reset();
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_start_game() {
let mut game = Game::new();
game.start_game();
}
#[test]
fn test_actions() {
let int_values = vec![
0,0,0,0,
0,2,0,0,
0,0,0,0,
0,0,0,0,
];
let left_expected_values = vec![
0,0,0,0,
2,0,0,0,
0,0,0,0,
0,0,0,0,
];
let right_expected_values = vec![
0,0,0,0,
0,0,0,2,
0,0,0,0,
0,0,0,0,
];
let up_expected_values = vec![
0,2,0,0,
0,0,0,0,
0,0,0,0,
0,0,0,0,
];
let down_expected_values = vec![
0,0,0,0,
0,0,0,0,
0,0,0,0,
0,2,0,0,
];
let mut game = Game::new_with_values(int_values.clone());
game.action(Direction::Left);
assert_eq!(game.board.get_values().to_vec(), left_expected_values);
let mut game = Game::new_with_values(int_values.clone());
game.action(Direction::Right);
assert_eq!(game.board.get_values().to_vec(), right_expected_values);
let mut game = Game::new_with_values(int_values.clone());
game.action(Direction::Up);
assert_eq!(game.board.get_values().to_vec(), up_expected_values);
let mut game = Game::new_with_values(int_values.clone());
game.action(Direction::Down);
assert_eq!(game.board.get_values().to_vec(), down_expected_values);
}
}