Ajout d'un début de jeu

TestV2/src/fr/monkhanny/dorfromantik/gui/GameModeSelectionPanel.java

@@ -113,7 +113,16 @@ public class GameModeSelectionPanel extends JPanel {
         return seedPanel;
     }
 
-    public String getSeed() {
+    public String getStringSeed() {
         return seedField.getText();
     }
+
+    public long getLongSeed(){
+        try{
+            return Long.parseLong(seedField.getText());
+        } catch (NumberFormatException e){
+            System.err.println("Invalid seed, using current time as seed");
+            return System.currentTimeMillis();
+        }
+    }
 }