Cleaning for clippy

src/app/game.rs

@@ -68,7 +68,7 @@ fn main() {
     let controls = if gamepads.is_empty() {
         Controls::default_keyboard()
     } else {
-        gamepads[0].clone()
+        gamepads[0]
     };
 
     let mut character = Character::with_controls(controls);

src/engine/character/mod.rs

@@ -97,7 +97,7 @@ impl Character {
         Character {
             position: Vector2::new(0.0, 0.0),
             speed: Vector2::new(0.0, 0.0),
-            controls: controls,
+            controls,
             side: Side::Right,
             jump_counter: 1,
             max_jump: 1,
@@ -162,14 +162,10 @@ impl Updatable for Character {
 
         let mut force: Vector2<f32> = Vector2::new(0.0, 0.0);
 
-        match self.controls {
+        if let Some(ref controls) = self.controls {
-            Some(ref controls) => {
             force += controls.direction();
         }
 
-            _ => (),
-        }
-
         if let Some(side) = Side::from_force(force) {
 
             self.side = side;

src/engine/controls/mod.rs

@@ -202,7 +202,7 @@ impl GamepadMap {
         }
 
         Some(GamepadMap {
-            id: id,
+            id,
             jump_button: 1,
             run_button: 0,
             left_right_axis: Axis::X,

src/engine/map/mod.rs

@@ -26,16 +26,16 @@ pub enum CollisionAxis {
 
 impl CollisionAxis {
     /// Returns true if the collision occured on X axis.
-    pub fn is_x(&self) -> bool {
+    pub fn is_x(self) -> bool {
-        match *self {
+        match self {
             CollisionAxis::Y => false,
             _ => true,
         }
     }
 
     /// Returns true if the collision occured on Y axis.
-    pub fn is_y(&self) -> bool {
+    pub fn is_y(self) -> bool {
-        match *self {
+        match self {
             CollisionAxis::X => false,
             _ => true,
         }
@@ -120,32 +120,32 @@ pub enum GraphicTile {
 impl GraphicTile {
 
     /// Checks if a graphic tile has a top border.
-    pub fn is_top(&self) -> bool {
+    pub fn is_top(self) -> bool {
-        match *self {
+        match self {
             GraphicTile::TopLeft | GraphicTile::Top | GraphicTile::TopRight => true,
             _ => false,
         }
     }
 
     /// Checks if a graphic tile has a left border.
-    pub fn is_left(&self) -> bool {
+    pub fn is_left(self) -> bool {
-        match *self {
+        match self {
             GraphicTile::TopLeft | GraphicTile::Left | GraphicTile::BottomLeft => true,
             _ => false,
         }
     }
 
     /// Checks if a graphic tile has a right border.
-    pub fn is_right(&self) -> bool {
+    pub fn is_right(self) -> bool {
-        match *self {
+        match self {
             GraphicTile::TopRight | GraphicTile::Right | GraphicTile::BottomRight => true,
             _ => false,
         }
     }
 
     /// Checks if a graphic tile has a bottom border.
-    pub fn is_bottom(&self) -> bool {
+    pub fn is_bottom(self) -> bool {
-        match *self {
+        match self {
             GraphicTile::BottomLeft | GraphicTile::Bottom | GraphicTile::BottomRight => true,
             _ => false,
         }
@@ -178,10 +178,10 @@ impl GraphicTile {
         bottom: Option<CollisionTile>) -> GraphicTile {
 
         GraphicTile::from_neighbours(
-            top.unwrap_or(CollisionTile::full()),
+            top.unwrap_or_else(CollisionTile::full),
-            left.unwrap_or(CollisionTile::full()),
+            left.unwrap_or_else(CollisionTile::full),
-            right.unwrap_or(CollisionTile::full()),
+            right.unwrap_or_else(CollisionTile::full),
-            bottom.unwrap_or(CollisionTile::full()),
+            bottom.unwrap_or_else(CollisionTile::full),
         )
     }
 
@@ -227,15 +227,15 @@ impl GraphicTile {
     }
 
     /// Returns the offset to the corresponding graphic tile in the texture.
-    pub fn offset(&self) -> (i32, i32) {
+    pub fn offset(self) -> (i32, i32) {
-        let vertical = match *self {
+        let vertical = match self {
             GraphicTile::TopLeft | GraphicTile::Top | GraphicTile::TopRight => 0,
             GraphicTile::Left | GraphicTile::Center | GraphicTile::Right => 16,
             GraphicTile::BottomLeft | GraphicTile::Bottom | GraphicTile::BottomRight => 32,
             _ => 0,
         };
 
-        let horizontal = match *self {
+        let horizontal = match self {
             GraphicTile::TopLeft | GraphicTile::Left | GraphicTile::BottomLeft => 0,
             GraphicTile::Top | GraphicTile::Center | GraphicTile::Bottom => 16,
             GraphicTile::TopRight | GraphicTile::Right | GraphicTile::BottomRight => 32,
@@ -351,10 +351,10 @@ impl Map {
                     let (i, j) = (i as isize, j as isize);
 
                     GraphicTile::from_neighbour_options(
-                        tiles.get(((i  ) as usize, (j-1) as usize)).map(|x| *x),
+                        tiles.get(((i  ) as usize, (j-1) as usize)).cloned(),
-                        tiles.get(((i-1) as usize, (j  ) as usize)).map(|x| *x),
+                        tiles.get(((i-1) as usize, (j  ) as usize)).cloned(),
-                        tiles.get(((i+1) as usize, (j  ) as usize)).map(|x| *x),
+                        tiles.get(((i+1) as usize, (j  ) as usize)).cloned(),
-                        tiles.get(((i  ) as usize, (j+1) as usize)).map(|x| *x),
+                        tiles.get(((i  ) as usize, (j+1) as usize)).cloned(),
                     )
                 } else {
                     GraphicTile::Hidden
@@ -419,8 +419,8 @@ impl Map {
         let mut new = new;
 
 
-        for col in min_col .. max_col + 1 {
+        for col in min_col ..= max_col {
-            for row in min_row .. max_row + 1 {
+            for row in min_row ..= max_row {
 
                 let tile_left = col as f32 * 16.0;
                 let tile_top = row as f32 * 16.0;
@@ -432,61 +432,52 @@ impl Map {
                 }
 
                 // Collisions between feet and ground
-                if self.tiles[(row, col)].0.from_top {
+                if self.tiles[(row, col)].0.from_top &&
-
+                   old.top + old.height <= tile_top &&
-                    if old.top + old.height <= tile_top &&
                    new.top + new.height >= tile_top {
 
                    collision_y = true;
                    new.top = tile_top - new.height;
                 }
 
-                }
-
                 if ! overlap(new, tile) {
                     continue;
                 }
 
                 // Collisions between right and right wall
-                if self.tiles[(row, col)].0.from_left {
+                if self.tiles[(row, col)].0.from_left  &&
-
+                   old.left + old.width <= tile_left &&
-                    if old.left + old.width <= tile_left &&
                    new.left + new.width >= tile_left {
 
                     collision_x = true;
                     new.left = tile_left - new.width;
                 }
-                }
 
                 if ! overlap(new, tile) {
                     continue;
                 }
 
                 // Collisions between left and left wall
-                if self.tiles[(row, col)].0.from_right {
+                if self.tiles[(row, col)].0.from_right &&
-
+                   old.left >= tile_left + 16.0 &&
-                    if old.left >= tile_left + 16.0 &&
                    new.left <= tile_left + 16.0 {
 
                     collision_x = true;
                     new.left = tile_left + 16.0;
                 }
-                }
 
                 if ! overlap(new, tile) {
                     continue;
                 }
 
                 // Collisions between head and roof
-                if self.tiles[(row, col)].0.from_bottom {
+                if self.tiles[(row, col)].0.from_bottom &&
-
+                   old.top >= tile_top + 16.0 &&
-                    if old.top >= tile_top + 16.0 &&
                    new.top <= tile_top + 16.0 {
 
                     collision_y = true;
                     new.top = tile_top + 16.0;
                 }
-                }
 
             }
         }

src/engine/math/mod.rs

@@ -46,8 +46,8 @@ impl<T> Matrix<T> where T: Clone {
     /// Creates a matrix from an element and duplicates it.
     pub fn from_size(rows: usize, cols: usize, element: T) -> Matrix<T> {
         Matrix {
-            rows: rows,
+            rows,
-            cols: cols,
+            cols,
             data: vec![element; rows * cols],
         }
     }

src/engine/renderer/mod.rs

@@ -62,7 +62,7 @@ impl Renderer {
         window.set_framerate_limit(60);
 
         Renderer {
-            window: window,
+            window,
             texture_manager: TextureManager::new(),
             started: Instant::now(),
         }