Subversion Repositories mkgmap

/*
 * Copyright (C) 2009.
 *
 * 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;

/**
 * Holds information about a city that will make its way into mdr 5.
 * This class is used in several places as the information has to be gathered
 * from the cities section of LBL and the points in RGN.
 *
 * @author Steve Ratcliffe
 */
public class Mdr5Record extends RecordBase implements NamedRecord {
        /** The city index within its own map */
        private int cityIndex;

        /** The index across all maps */
        private int globalCityIndex;

        private int regionIndex;
        private int lblOffset;
        private int stringOffset;
        private String name;
        private Mdr13Record region;
        private Mdr14Record country;
        private int[] mdr20;
        private int mdr20Index;

        public int getCityIndex() {
                return cityIndex;
        }

        public void setCityIndex(int cityIndex) {
                this.cityIndex = cityIndex;
        }

        public int getGlobalCityIndex() {
                return globalCityIndex;
        }

        public void setGlobalCityIndex(int globalCityIndex) {
                this.globalCityIndex = globalCityIndex;
        }

        public int getRegionIndex() {
                return regionIndex;
        }

        public void setRegionIndex(int regionIndex) {
                this.regionIndex = regionIndex;
        }

        public int getLblOffset() {
                return lblOffset;
        }

        public void setLblOffset(int lblOffset) {
                this.lblOffset = lblOffset;
        }

        public int getStringOffset() {
                return stringOffset;
        }

        public void setStringOffset(int stringOffset) {
                this.stringOffset = stringOffset;
        }

        public void setName(String name) {
                this.name = name;
        }

        public String getName() {
                return name;
        }

        public Mdr13Record getMdrRegion() {
                return region;
        }

        public void setMdrRegion(Mdr13Record region) {
                this.region = region;
        }

        public Mdr14Record getMdrCountry() {
                return country;
        }

        public void setMdrCountry(Mdr14Record country) {
                this.country = country;
        }

        /**
         * Every mdr5 record contains the same array of values. It is only
         * allowed to access the one at the index globalCityIndex. Since
         * the array is shared, every record with the same global city index
         * knows the correct mdr20 value, regardless of where it was set.
         *
         * @param mdr20 An array large enough to hold all the cities (one based index).
         * This must be the same array for all mdr5records (in the same map set).
         */
        public void setMdr20set(int[] mdr20) {
                this.mdr20 = mdr20;
        }

        /**
         * Set the index into the mdr20 array that we use to get/set the value.
         * @see #setMdr20set(int[])
         */
        public void setMdr20Index(int mdr20Index) {
                this.mdr20Index = mdr20Index;
        }

        public int getMdr20() {
                return mdr20[mdr20Index];
        }

        public void setMdr20(int n) {
                int prev = mdr20[mdr20Index];
                assert prev == 0 || prev == n : "mdr20 value changed f=" + prev + " t=" + n + " count=" + mdr20Index;

                mdr20[mdr20Index] = n;
        }

        /**
         * Is this the same city, by the rules segregating the cities in mdr5 and 20.
         * @return True if in the same tile and has the same name for city/region/country.
         */
        public boolean isSameByMapAndName(Mdr5Record other) {
                if (other == null)
                        return false;

                return getMapIndex() == other.getMapIndex() && isSameByName(other);
        }

        /**
         * Same city by the name of the city/region/country combination.
         * @param other The other city to compare with.
         * @return True if is the same city, maybe in a different tile.
         */
        public boolean isSameByName(Mdr5Record other) {
                if (other == null)
                        return false;

                return getName().equals(other.getName())
                                && getRegionName().equals(other.getRegionName())
                                && getCountryName().equals(other.getCountryName());
        }

        public String toString() {
                return String.format("%d: %s r=%s c=%s", globalCityIndex, name, getRegionName(), country.getName());
        }

        public String getRegionName() {
                if (region == null)
                        return "";
                else
                        return region.getName();
        }

        public String getCountryName() {
                return country.getName();
        }
}