diff --git a/src/engine/character.rs b/src/engine/character.rs
index e562d02..a14c9cc 100644
--- a/src/engine/character.rs
+++ b/src/engine/character.rs
@@ -199,12 +199,12 @@ impl Updatable for Character {
     /// An event was asked to the character.
     fn manage_event(&mut self, event: Event) {
         match event {
-            Event::ButtonPressed(Button::Button1) => {
+            Event::ButtonPressed(Button::Button0) => {
                 self.jump();
                 self.can_jump = false;
             }
 
-            Event::ButtonReleased(Button::Button1) => {
+            Event::ButtonReleased(Button::Button0) => {
                 self.can_jump = true;
             }
 
diff --git a/src/engine/input.rs b/src/engine/input.rs
index 6349ba5..1163092 100644
--- a/src/engine/input.rs
+++ b/src/engine/input.rs
@@ -35,20 +35,23 @@ pub enum Button {
     Down,
 
     /// The main action or validatation button.
-    Button1,
+    Button0,
 
     /// The user asks to do the secondary action.
-    Button2,
+    Button1,
 
     /// The user asks to do the tertiary action.
-    Button3,
+    Button2,
 
     /// The user asks to do the 4th action or cancel.
-    Button4,
+    Button3,
 }
 
 /// This structure holds what button are pressed or released, and stores the events.
 pub struct InputManager {
+    /// All the connected gamepads.
+    gamepads: Vec<Gamepad>,
+
     /// The events that have occur.
     events: VecDeque<Event>,
 }
@@ -57,7 +60,15 @@ impl InputManager {
     /// Creates a new input manager.
     pub fn new() -> InputManager {
         InputManager {
+            gamepads: vec![],
             events: VecDeque::new(),
         }
     }
 }
+
+/// Holds the gamepad information.
+#[derive(Clone)]
+pub struct Gamepad {
+    /// The inner gamepad.
+    inner: web_sys::Gamepad,
+}