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"climinesweeper" +version = "0.1.0" +edition = "2021" + +[dependencies] +crossterm = "0.27.0" +rand = "0.8.5" +ratatui = "0.26.2" diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..c9089fd --- /dev/null +++ b/src/main.rs @@ -0,0 +1,104 @@ +use rand::Rng; +use std::fmt; + +#[derive(Clone, Copy)] +struct Cell { + neighbors: u8, + revealed: bool, + flagged: bool, + mine: bool, +} + +impl fmt::Display for Cell { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + if self.flagged { + write!(f, "F")?; + } + + if !self.revealed { + write!(f, "+")?; + return Ok(()); + } + + if self.mine { + write!(f, "M")?; + return Ok(()); + } + + if self.neighbors > 0 { + write!(f, "{}", self.neighbors)?; + } else { + write!(f, "_")?; + } + + Ok(()) + } +} + +#[derive(Clone)] +struct Grid(Vec>); + +impl fmt::Display for Grid { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + for row in self.0.iter() { + for cell in row.iter() { + write!(f, " {} ", cell)?; + } + write!(f, "\n")?; + } + Ok(()) + } +} + +fn mark_neighbors(grid: &mut Grid, x: usize, y: usize) { + for row in y.saturating_sub(1)..=y.saturating_add(1) { + for col in x.saturating_sub(1)..=x.saturating_add(1) { + if x == col && y == row { + continue; + } + + let Some(cell) = grid.0.get_mut(row).and_then(|row| row.get_mut(col)) else { + continue; + }; + + cell.neighbors += 1; + } + } +} + +fn plant_mines(grid: &mut Grid, mines: u8) { + let mut rng = rand::thread_rng(); + + let mut mines_left = mines; + while mines_left > 0 { + let row = rng.gen_range(0..grid.0.len()); + let col = rng.gen_range(0..grid.0[0].len()); + let cell: &mut Cell = &mut grid.0[row][col]; + + if !cell.mine { + mines_left -= 1; + cell.mine = true; + + mark_neighbors(grid, col, row); + } + } +} + +fn main() { + let mut grid = Grid(vec![ + vec![ + Cell { + neighbors: 0, + flagged: false, + mine: false, + revealed: false, + }; + 9 + ]; + 9 + ]); + + plant_mines(&mut grid, 10); + + println!("{}", grid); +}