create lab directory in parent

abstract MazeParams to be able to set them easily
doit.sh support new class creation
updated README

Signed-off-by: philippe lhardy <philippe@pavilionartlogiciel>

java/org/artisanlogiciel/games/Display.java

@@ -82,6 +82,66 @@ public class Display extends JFrame
 	maze.setWallSize(size);
     }
 
+    private static class MazeParamEditor
+	implements MazeParams
+    {
+	int width;
+	int height;
+	int maxdepth;
+	File labdir;
+	String name;
+
+	public MazeParamEditor()
+	{
+	    name=null;
+	    labdir = new File("lab");
+	}
+
+	public MazeParamEditor(File saveDir)
+	{
+	    name=null;
+	    labdir = saveDir;
+	}
+
+	public void consoleRead()
+	{
+	    Scanner console = new Scanner(System.in);
+	    width = console.nextInt();
+	    height = console.nextInt();
+	    maxdepth = console.nextInt();
+	}
+
+	public int getWidth()
+	{
+	    return width;
+	}
+	
+	public int getHeight()
+	{
+	    return height;
+	}
+	
+	public int getMaxDepth()
+	{
+	    return maxdepth;
+	}
+
+	public String getName()
+	{
+	    if (name == null)
+		{
+		    name="lab" + width + "x" + height;
+		}
+	    return name;
+	}
+
+	public File getSaveDir()
+	{
+	    return labdir;
+	}
+
+    }
+
     private class MazeControler extends JPanel
     {
 	public MazeControler()
@@ -466,14 +526,12 @@ public class Display extends JFrame
 	    }
 	else
 	    {
-		System.out.println("enter width height and maxdepth"); 
-		Scanner console = new Scanner(System.in);
-		int width = console.nextInt();
-		int height = console.nextInt();
-		int maxdepth = console.nextInt();
-		model = new LabyModel(width, height,maxdepth, new java.util.Random());
-		int w = W / width; 
-		int h = H / height;
+		System.out.println("enter width height and maxdepth");
+		MazeParamEditor params = new MazeParamEditor();
+		params.consoleRead();
+		model = new LabyModel(params, new java.util.Random());
+		int w = W / params.getWidth(); 
+		int h = H / params.getHeight();
 		if ( w < 5 ) w = 5;
 		if ( h < 5 ) h = 5;
 		MazeComponent comp = new MazeComponent(model,w,h,3,3);
@@ -486,10 +544,9 @@ public class Display extends JFrame
 		model.generateWithEntry(0, 0);
 		LinkedList<Position> exits = new LinkedList<Position>();
 		model.addEntryOrExit(-1,0);
-		model.addEntryOrExit(width,height -1);
+		model.addEntryOrExit(params.getWidth(),params.getHeight() -1);
 		System.out.println("Generation completed");
-		String name="lab" + width + "x" + height;
-		File outfile = new File(new File("lab"), name + ".raw");
+		File outfile = new File(params.getSaveDir(), params.getName() + ".raw");
 		if ( ! outfile.exists())
 		    {
 			System.out.println( "Saving to " + outfile + " ...");
@@ -508,13 +565,13 @@ public class Display extends JFrame
 		else {
 		    System.out.println( "" + outfile + " already exists");
 		}
-		outfile = new File(new File("lab"),name + ".stl");
+		outfile = new File(params.getSaveDir(), params.getName() + ".stl");
 		if ( ! outfile.exists())
 		    {
 			System.out.println( "Saving to " + outfile + " ...");
 			try {
 			    FileOutputStream out  = new FileOutputStream(outfile);
-			    Wall3d.streamWallsOut(name,(WallsProvider) model,out);
+			    Wall3d.streamWallsOut(params.getName(),(WallsProvider) model,out);
 			    out.flush();
 			    out.close();
 			    System.out.println( "... Done.");