1 files changed, 63 insertions, 6 deletions
diff --git a/src/de/fhswf/in/inf/java1/aufgabe7/Spiel.java b/src/de/fhswf/in/inf/java1/aufgabe7/Spiel.java
index 0628d8c..7dacee8 100644
--- a/src/de/fhswf/in/inf/java1/aufgabe7/Spiel.java
+++ b/src/de/fhswf/in/inf/java1/aufgabe7/Spiel.java
@@ -6,22 +6,79 @@ package de.fhswf.in.inf.java1.aufgabe7;
 import java.util.Random;
 
 /**
- * TODO Add comment here
+ * Simulates a shell game.
  *
- * @author $Author:  $
- * @version $Revision:  $, $Date:  $ UTC
+ * @author $Author: $
+ * @version $Revision: $, $Date: $ UTC
  */
 public class Spiel
 {
    private int nussPlatz = -1;
+
+   public static final int MAXHUET = 3;
+
    private Random rnd = new Random();
+
+   /**
+    * Places the pea under a shell.
+    *
+    */
+   private void nussVerstecken()
+   {
+      nussPlatz = rnd.nextInt(MAXHUET);
+   }
+
+   /**
+    * Returns an empty shell, which the user didn't choose.
+    *
+    * @param ersterTipp
+    *           The first choice of the player.
+    * @return An empty shell number of the remaining shells
+    */
+   private int zeigeHuetchen(int ersterTipp)
+   {
+      int erg = -1;
+      if (ersterTipp != nussPlatz)
+      {
+         erg = MAXHUET - nussPlatz - ersterTipp;
+      }
+      else
+      {
+         erg = (ersterTipp + rnd.nextInt(MAXHUET - 1)) % MAXHUET;
+      }
+      return erg;
+   }
+
+   /**
+    * Returns the shell number with the pea.
+    *
+    * @return The shell number
+    */
+   private int aufloesung()
+   {
+      return nussPlatz;
+   }
+
    /**
-    * TODO Add constructor comment here
+    * Simulates a complete game.
     *
+    * @param spieler
+    *           The player who plays.
+    * @return Boolean, if the player choose correct.
     */
-   public Spiel()
+   public boolean spielDurchlauf(Spieler spieler)
    {
-      // TODO Auto-generated constructor stub   
+      if (spieler == null)
+      {
+         throw new IllegalArgumentException("A player hast to play.");
+      }
+      int tipp = -1;
+      nussVerstecken();
+      tipp = spieler.ersterTipp();
+      assert tipp >= 0 && tipp <= MAXHUET;
+      tipp = spieler.zweiterTipp(zeigeHuetchen(tipp));
+      assert tipp >= 0 && tipp <= MAXHUET;
+      return tipp == aufloesung();
    }
 
 }