1 files changed, 86 insertions, 0 deletions
diff --git a/src/de/fhswf/in/inf/java1/aufgabe07/Spiel.java b/src/de/fhswf/in/inf/java1/aufgabe07/Spiel.java
new file mode 100644
index 0000000..19e2998
--- /dev/null
+++ b/src/de/fhswf/in/inf/java1/aufgabe07/Spiel.java
@@ -0,0 +1,86 @@
+/**
+ * 
+ */
+package de.fhswf.in.inf.java1.aufgabe07;
+
+import java.util.Random;
+
+/**
+ * Simulates a shell game.
+ *
+ * @author $Author: $
+ * @version $Revision: $, $Date: $ UTC
+ */
+public class Spiel
+{
+   private int nussPlatz = -1;
+
+   public static final int MAXHUET = 3;
+
+   public static final Random RAND = new Random();
+
+   /**
+    * Places the pea under a shell.
+    *
+    */
+   private void nussVerstecken()
+   {
+      nussPlatz = RAND.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)
+   {
+      if (ersterTipp < 0 || ersterTipp > MAXHUET)
+      {
+         throw new IllegalArgumentException("Tip outside of boundaries.");
+      }
+      int erg = -1;
+      if (ersterTipp != nussPlatz)
+      {
+         erg = MAXHUET - nussPlatz - ersterTipp;
+      }
+      else
+      {
+         erg = (ersterTipp + RAND.nextInt(MAXHUET - 1)) % MAXHUET;
+      }
+      return erg;
+   }
+
+   /**
+    * Returns the shell number with the pea.
+    *
+    * @return The shell number
+    */
+   private boolean aufloesung(int zweiterTipp)
+   {
+      return nussPlatz == zweiterTipp;
+   }
+
+   /**
+    * Simulates a complete game.
+    *
+    * @param spieler
+    *           The player who plays.
+    * @return Boolean, if the player choose correct.
+    */
+   public final boolean spielDurchlauf(Spieler spieler)
+   {
+      if (spieler == null)
+      {
+         throw new IllegalArgumentException("A player hast to play.");
+      }
+      int tipp = -1;
+      nussVerstecken();
+      tipp = spieler.ersterTipp();
+      tipp = spieler.zweiterTipp(zeigeHuetchen(tipp));
+      return aufloesung(tipp);
+   }
+
+}