Update to rust 2018

Cargo.toml

@@ -2,6 +2,7 @@
 name = "rusty"
 version = "0.1.0"
 authors = ["Thomas Forgione <thomas@forgione.fr>"]
+edition = "2018"
 
 [dependencies]
 clap = "2.32.0"

src/app/game.rs

@@ -1,11 +1,6 @@
-#[macro_use]
-extern crate clap;
-extern crate rusty;
-extern crate sfml;
-
 use std::time::Instant;
 
-use clap::{App, Arg};
+use clap::{App, Arg, crate_version};
 
 use sfml::window::{joystick, Event, Key};
 

src/engine/character/mod.rs

@@ -4,13 +4,12 @@ use sfml::graphics::{FloatRect, IntRect, View};
 use sfml::system::Vector2;
 use sfml::window::Event;
 
-use engine::controls::{Action, Controls};
-use engine::scene::Updatable;
-
-use engine::math::{clamp, duration_as_f32, duration_as_frame};
-use engine::physics;
-use engine::renderer::Drawable;
-use engine::texture::Texture;
+use crate::engine::controls::{Action, Controls};
+use crate::engine::scene::Updatable;
+use crate::engine::math::{clamp, duration_as_f32, duration_as_frame};
+use crate::engine::physics;
+use crate::engine::renderer::Drawable;
+use crate::engine::texture::Texture;
 
 /// The different sides a character can face.
 pub enum Side {

src/engine/map/mod.rs

@@ -1,9 +1,9 @@
 use sfml::graphics::{FloatRect, IntRect};
 use sfml::system::Vector2;
 
-use engine::math::{clamp, Matrix};
-use engine::renderer::Drawable;
-use engine::texture::Texture;
+use crate::engine::math::{clamp, Matrix};
+use crate::engine::renderer::Drawable;
+use crate::engine::texture::Texture;
 
 /// This enum represents if the collision happens on the X axis or the Y axis.
 #[derive(Copy, Clone)]

src/engine/renderer/mod.rs

@@ -6,9 +6,9 @@ use sfml::window::{Event, Style};
 
 use sfml::system::Vector2;
 
-use engine::map::GraphicTile;
-use engine::scene::Scene;
-use engine::texture::{Texture, TextureManager};
+use crate::engine::map::GraphicTile;
+use crate::engine::scene::Scene;
+use crate::engine::texture::{Texture, TextureManager};
 
 /// Our custom drawable trait.
 pub trait Drawable {

src/engine/scene/mod.rs

@@ -4,8 +4,8 @@ use sfml::graphics::View;
 use sfml::system::Vector2;
 use sfml::window::Event;
 
-use engine::character::Character;
-use engine::map::Map;
+use crate::engine::character::Character;
+use crate::engine::map::Map;
 
 /// Contains everything needed to play.
 pub struct Scene {

src/lib.rs

@@ -2,7 +2,5 @@
 
 //! This crates contains the (future) rusty game.
 
-extern crate sfml;
-
 /// This module contains all the tools needed for the game.
 pub mod engine;