ez-roguelike/ch1/src/main.rs

use ggez::{Context, GameError, event::EventHandler};

struct State {
    board: carpet::Board,
}

impl EventHandler for State {
    fn draw(&mut self, ctx: &mut Context) -> Result<(), GameError> {
        ggez::graphics::clear(ctx, ggez::graphics::BLACK);
        self.board.draw(ctx)?;
        ggez::graphics::present(ctx)
    }

    fn update(&mut self, _ctx: &mut Context) -> Result<(), GameError> {
        Ok(())
    }
}

fn main() -> Result<(), GameError> {
    let (mut ctx, mut evloop) = ggez::ContextBuilder::new("game", "me")
        .add_resource_path({
            let base = std::env::var("CARGO_MANIFEST_DIR").unwrap();
            let mut path = std::path::PathBuf::from(base);
            path.push("resources");
            path
        })
        .window_mode(ggez::conf::WindowMode {
            width: 80.0 * 8.0,
            height: 50.0 * 8.0,
            ..ggez::conf::WindowMode::default()
        })
        .build()?;
    let tileset = carpet::Tileset::from_file(&mut ctx, [8,8], "/terminal8x8.jpg")?;
    let mut board = carpet::Board::new([80,50], tileset);
    board.print([1, 1], "Hello, world!");
    let mut state = State { board };
    ggez::event::run(&mut ctx, &mut evloop, &mut state)
}