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/BrickTextMapping.java

@@ -1,9 +1,17 @@
 package org.artisanlogiciel.games.maze;
 
-public class BrickTextMapping
-extends Brick {
+import static org.artisanlogiciel.games.maze.Brick.*;
 
-    public static String getDirLine()
+public class BrickTextMapping {
+
+    private String charmap;
+
+    public BrickTextMapping(String pCharMap)
+    {
+        charmap = pCharMap;
+    }
+
+    public static String getDefaultDirLine()
     {
         char dir[] = new char[16];
         String s = "";
@@ -43,18 +51,22 @@ extends Brick {
 
     }
 
-    public static char getChar(short walls)
+    public static char getDefaultChar(short walls)
     {
         // return getDirLine().charAt(walls & 0xFFF0);
-        return getDirLine().charAt(walls);
+        return getDefaultDirLine().charAt(walls);
     }
 
-    public static char getChar(Brick brick)
+    public static char getDefaultChar(Brick brick)
     {
         // return getDirLine().charAt(walls & 0xFFF0);
-        return getChar(brick.walls);
+        return getDefaultChar(brick.walls);
     }
 
+    public char getChar(Brick brick)
+    {
+        return charmap.charAt((brick.walls)*0xf);
+    }
 
 
 }