Manage running key

src/engine/character/mod.rs

@@ -197,10 +197,9 @@ impl Updatable for Character {
             self.speed.y = physics::MAXIMUM_VERTICAL_SPEED;
         }
 
-        let limit = if Key::Space.is_pressed() {
-            physics::MAXIMUM_RUNNING_SPEED
-        } else {
-            physics::MAXIMUM_WALKING_SPEED
+        let limit = match self.controls {
+            Some(controls) if controls.is_running() => physics::MAXIMUM_RUNNING_SPEED,
+            _ => physics::MAXIMUM_WALKING_SPEED,
         };
 
         self.speed.x = clamp(self.speed.x, -limit, limit);

src/engine/controls/mod.rs

@@ -3,6 +3,7 @@ use sfml::window::joystick::{
     Axis,
     axis_position,
     is_connected,
+    is_button_pressed,
     COUNT,
 };
 
@@ -73,6 +74,14 @@ impl Controls {
         }
     }
 
+    /// Returns whether the running key is pressed.
+    pub fn is_running(&self) -> bool {
+        match self {
+            Controls::Keyboard(ref map) => map.is_running(),
+            Controls::Gamepad(ref map) => map.is_running(),
+        }
+    }
+
 }
 
 /// A map between keyboard keys and actions.
@@ -82,6 +91,9 @@ pub struct KeyboardMap {
     /// The key corresponding to the jump button.
     jump_key: Key,
 
+    /// The key corresponding to the run button.
+    run_key: Key,
+
     /// The key corresponding to the up button.
     up_key: Key,
 
@@ -102,6 +114,7 @@ impl KeyboardMap {
     pub fn default() -> KeyboardMap {
         KeyboardMap {
             jump_key: Key::Space,
+            run_key: Key::LAlt,
             up_key: Key::Up,
             left_key: Key::Left,
             right_key: Key::Right,
@@ -152,6 +165,11 @@ impl KeyboardMap {
 
     }
 
+    /// Returns whether the running button is held down.
+    pub fn is_running(&self) -> bool {
+        self.run_key.is_pressed()
+    }
+
 }
 
 /// A map between gamepad buttons and actions.
@@ -164,6 +182,9 @@ pub struct GamepadMap {
     /// Number of the jump button.
     jump_button: u32,
 
+    /// Number of the run button.
+    run_button: u32,
+
     /// Left / Right axis.
     left_right_axis: Axis,
 
@@ -183,6 +204,7 @@ impl GamepadMap {
         Some(GamepadMap {
             id: id,
             jump_button: 1,
+            run_button: 2,
             left_right_axis: Axis::X,
         })
     }
@@ -229,4 +251,9 @@ impl GamepadMap {
             0.0
         )
     }
+
+    /// Returns whether the run button is held down.
+    pub fn is_running(&self) -> bool {
+        is_button_pressed(self.id, self.run_button)
+    }
 }