add Save Text support and rework package

- move maze within package maze

java/org/artisanlogiciel/games/maze/Brick.java

@@ -0,0 +1,119 @@
+package org.artisanlogiciel.games.maze;
+
+/*
+
+2x2 Tile to represent a labyrinth position with some walls
+
+this is 2x2 downright most part of 3x3 centered tile.
+
+center right
+down   downright
+
+ab
+cd
+
+a is 'H' or '.' or ' '
+bcd is within 'H' or ' '
+
+*/
+public class Brick
+{
+
+    public final static short LEFT = 1;
+    public final static short DOWN = 2;
+    public final static short RIGHT = 4;
+    public final static short UP = 8;
+    public final static short ENTRY = 16;
+    public final static short GOAL = 32;
+
+    char a;
+    char b;
+    char c;
+    char d;
+    short walls; // according to LabyModel.getWalls();
+
+    public Brick(char center, char right, char down, char downright, short walls)
+    {
+        a = center;
+        b = right;
+        c = down;
+        d = downright;
+        this.walls = walls;
+    }
+
+    public Brick(String up, String low, short walls)
+    {
+        a = up.charAt(0);
+        b = up.charAt(1);
+        c = low.charAt(0);
+        d = low.charAt(1);
+        this.walls = walls;
+    }
+
+    private boolean check()
+    {
+        // Not Yet Implemented
+        return false;
+    }
+
+    public String getUpString()
+    {
+        return "" + a + b;
+    }
+
+    public String getLowString()
+    {
+        return "" + c + d;
+    }
+
+    public static String getDirLine()
+    {
+        char dir[] = new char[16];
+        String s = "";
+
+        /*
+         * dir[LEFT | DOWN | RIGHT | UP]='O'; dir[LEFT | DOWN | RIGHT]='U';
+         * dir[LEFT | UP | RIGHT]='M'; dir[LEFT | UP | DOWN]='['; dir[RIGHT | UP
+         * | DOWN]=']'; dir[UP | DOWN]='='; dir[LEFT | RIGHT]='|'; dir[RIGHT |
+         * DOWN]='J'; dir[LEFT | DOWN]='L'; dir [LEFT | UP]='T'; dir[UP |
+         * RIGHT]='7'; dir[LEFT] = '!'; dir[RIGHT] ='|'; dir[DOWN]= '_';
+         * dir[UP]= '¨'; dir[0]=' ';
+         */
+
+        dir[LEFT | DOWN | RIGHT | UP] = 'O';
+        dir[LEFT | DOWN | RIGHT] = 'U';
+        dir[LEFT | UP | RIGHT] = 'M';
+        dir[LEFT | UP | DOWN] = '[';
+        dir[RIGHT | UP | DOWN] = ']';
+        dir[UP | DOWN] = '=';
+        dir[LEFT | RIGHT] = 226;
+        dir[RIGHT | DOWN] = 'J';
+        dir[LEFT | DOWN] = 'L';
+        dir[LEFT | UP] = 169;
+        dir[UP | RIGHT] = 170;
+        dir[LEFT] = 173;
+        dir[RIGHT] = '|';
+        dir[DOWN] = '_';
+        dir[UP] = '¨';
+        dir[0] = ' ';
+
+        for (int i = 0; i < 16; i++)
+        {
+            s = s + dir[i];
+        }
+
+        return s;
+
+    }
+
+    public char getChar()
+    {
+        // return getDirLine().charAt(walls & 0xFFF0);
+        return getDirLine().charAt(walls);
+    }
+
+    public short getWalls()
+    {
+        return walls;
+    }
+}