/*
* 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.imgfmt.app.mdr;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import uk.me.parabola.imgfmt.app.ImgFileWriter;
import uk.me.parabola.imgfmt.app.srt.Sort;
import uk.me.parabola.imgfmt.app.srt.SortKey;
/**
* Regions sorted by name. Same number of records as mdr13.
*
* @author Steve Ratcliffe
*/
public class Mdr23 extends MdrSection {
private final List<Mdr13Record> regions = new ArrayList<Mdr13Record>();
public Mdr23(MdrConfig config) {
setConfig(config);
}
/**
* Takes the region list and sorts it according to the name.
* @param list Original region list.
*/
public void sortRegions(List<Mdr13Record> list) {
Sort sort = getConfig().getSort();
List<SortKey<Mdr13Record>> keys = MdrUtils.sortList(sort, list);
Collections.sort(keys);
String lastName = null;
int lastMapIndex = 0;
int record = 0;
for (SortKey<Mdr13Record> key : keys) {
Mdr13Record reg = key.getObject();
// Only add if different name or map
String name = reg.getName();
if (reg.getMapIndex() != lastMapIndex || !name.equals(lastName)) {
record++;
reg.getMdr28().setMdr23(record);
regions.add(reg);
lastName = name;
lastMapIndex = reg.getMapIndex();
}
}
}
/**
* Write out the contents of this section.
*
* @param writer Where to write it.
*/
public void writeSectData(ImgFileWriter writer) {
String lastName = null;
for (Mdr13Record reg : regions) {
putMapIndex(writer, reg.getMapIndex());
int flag = 0;
String name = reg.getName();
if (!name.equals(lastName)) {
flag = 0x800000;
lastName = name;
}
writer.putChar((char) reg.getRegionIndex());
writer.putChar((char) reg.getCountryIndex());
writer.put3(reg.getLblOffset() | flag);
}
}
/**
* There is a map index followed by file region and country indexes.
* Then there is a label offset for the name, which strangely appears
* to be three bytes always, although that many would rarely (or never?) be
* required.
*/
public int getItemSize() {
PointerSizes sizes = getSizes();
return sizes.getMapSize() + 2 + 2 + 3;
}
/**
* The number of records in this section.
*
* @return The number of items in the section.
*/
protected int numberOfItems() {
return regions.size();
}
}