/*
* Copyright (C) 2011.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 or
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
package uk.me.parabola.mkgmap.typ;
import uk.me.parabola.imgfmt.app.typ.TypData;
import uk.me.parabola.mkgmap.scan.SyntaxException;
import uk.me.parabola.mkgmap.scan.TokenScanner;
/**
* Process lines from the draw order section of the typ.txt file.
*
* @author Steve Ratcliffe
*/
class DrawOrderSection implements ProcessSection {
private final TypData data;
DrawOrderSection(TypData data) {
this.data = data;
}
/**
* There is only one tag in this section.
*/
public void processLine(TokenScanner scanner, String name, String value) {
if (!name.equalsIgnoreCase("Type"))
throw new SyntaxException(scanner, "Unrecognised keyword in draw order section: " + name);
String[] typeDrawOrder = value.split(",",-1);
if (typeDrawOrder.length != 2)
throw new SyntaxException(scanner, "Unrecognised drawOrder type " + value);
int fulltype;
try {
fulltype = Integer.decode(typeDrawOrder[0]);
} catch (NumberFormatException e) {
throw new SyntaxException(scanner, "Bad number " + typeDrawOrder[0]);
}
int type;
int subtype = 0;
if (fulltype >= 0x100) {
type = (fulltype >>> 8) & 0x3fff;
subtype = fulltype & 0xff;
} else {
type = fulltype & 0xff;
}
try {
int level = Integer.parseInt(typeDrawOrder[1]);
data.addPolygonStackOrder(level, type, subtype);
} catch (NumberFormatException e) {
throw new SyntaxException(scanner, "Bad number '" + typeDrawOrder[1] + "'");
}
}
/**
* Nothing to do, each line stands by itself.
*/
public void finish(TokenScanner scanner) {
}
}