prepare for hexagon display & other models

- display cell as hexagon is Display.mHexagon if set ( not default )
will need a checkbox to set this
- various new models preparation...

java/org/artisanlogiciel/games/maze/Maze.java

@@ -1,5 +1,8 @@
 package org.artisanlogiciel.games.maze;
 
+import org.artisanlogiciel.games.maze.model.HalfSquareModelCreator;
+import org.artisanlogiciel.games.maze.model.HalfSquareRasterModel;
+import org.artisanlogiciel.games.maze.persist.HalfSquareRasterModelPersistRaw;
 import org.artisanlogiciel.games.maze.persist.MazePersistRaw;
 import org.artisanlogiciel.games.maze.persist.MazePersistWorldEdit;
 import org.artisanlogiciel.games.stl.Maze3dParams;
@@ -176,7 +179,6 @@ public class Maze {
         }
     }
 
-
     public void saveText() {
         File outfile = getFileForExtension("txt");
         writeSentence("Saving to " + outfile + " ...");
@@ -191,6 +193,24 @@ public class Maze {
         }
     }
 
+    public void saveHalfSquerRaw() {
+        String extension = "sraw";
+        File outfile = getFileForExtension(extension);
+        writeSentence("Saving to " + outfile + " ...");
+        try {
+            // TODO
+            HalfSquareRasterModelPersistRaw persistRaw = new HalfSquareRasterModelPersistRaw(new HalfSquareModelCreator().createFromMovesProvider(model));
+            DataOutputStream out = new DataOutputStream(new FileOutputStream(outfile));
+            persistRaw.streamOut(extension,out);
+            out.write(model.toLabyMap().toString().getBytes());
+            out.flush();
+            out.close();
+            writeSentence("... Done.");
+        } catch (IOException io) {
+            io.printStackTrace(System.err);
+        }
+    }
+
     protected void setModel( LabyModel model)
     {
         this.model = model;