61 files changed, 2108 insertions, 1345 deletions

diff --git a/src/esieequest/Main.java b/src/esieequest/Main.java
index 362af9c..4759a6e 100755
--- a/src/esieequest/Main.java
+++ b/src/esieequest/Main.java
@@ -47,7 +47,7 @@ public class Main extends JApplet {
          */
         public static void main(final String[] args) {
                 final List<String> arguments = Arrays.asList(args);
-                final Game game = new Game();
+                Game game;
                 View view;
 
                 if (arguments.contains("--file")) {
@@ -63,7 +63,9 @@ public class Main extends JApplet {
                 }
 
                 if (arguments.contains("--challenge")) {
-                        game.getPlayer().setMaxNbSteps(50);
+                        game = new Game(50);
+                } else {
+                        game = new Game();
                 }
 
                 new GameEngine(game, view);
diff --git a/src/esieequest/controller/GameEngine.java b/src/esieequest/controller/GameEngine.java
index c09967b..df3d34a 100644
--- a/src/esieequest/controller/GameEngine.java
+++ b/src/esieequest/controller/GameEngine.java
@@ -1,6 +1,9 @@
 package esieequest.controller;
 
+import esieequest.controller.commands.Command;
 import esieequest.model.Game;
+import esieequest.model.Text;
+import esieequest.model.characters.MovingCharacter;
 import esieequest.view.View;
 
 /**
@@ -14,8 +17,6 @@ public class GameEngine {
         private final Game game;
         private final View view;
 
-        private final Interpreter interpreter;
-
         /**
          * Instantiates a game engine with the given model and view.
          * 
@@ -30,19 +31,35 @@ public class GameEngine {
 
                 this.view.setController(this);
 
-                this.interpreter = new Interpreter(this.game, this.view);
-
                 this.view.show();
         }
 
         /**
-         * Interprets a command (forward it to the interpreter).
+         * Interprets a command.
          * 
          * @param commandString
-         *            the command string
+         *            the command String
+         */
+        public void interpret(final String inputString) {
+                final Input input = new Input(inputString);
+
+                final Command command = input.getCommand();
+                if (command == null) {
+                        this.view.echo(Text.UNKNOWN_COMMAND.getText());
+                        return;
+                }
+
+                final String argument = input.getArgument();
+
+                this.executeRoutines();
+                command.execute(argument, this.game, this.view);
+        }
+
+        /**
+         * Actions executed every time a Command is entered.
          */
-        public void interpret(final String command) {
-                this.interpreter.interpret(command);
+        private void executeRoutines() {
+                MovingCharacter.moveAll();
         }
 
 }
diff --git a/src/esieequest/controller/Input.java b/src/esieequest/controller/Input.java
new file mode 100644
index 0000000..4b4ada5
--- /dev/null
+++ b/src/esieequest/controller/Input.java
@@ -0,0 +1,59 @@
+package esieequest.controller;
+
+import esieequest.controller.commands.Command;
+
+/**
+ * An user textual input.
+ * 
+ * @author Pacien TRAN-GIRARD
+ */
+public class Input {
+
+        private Command command;
+        private final String argument;
+
+        /**