package btools.mapcreator;

import java.io.File;

/**
 * RestrictionCutter5 does 1 step in map-processing:
 * <p>
 * - cut the 45*30 restriction files into 5*5 pieces
 *
 * @author ab
 */
public class RestrictionCutter5 extends MapCreatorBase {
  private WayCutter5 wayCutter5;

  public void init(File outTileDir, WayCutter5 wayCutter5) throws Exception {
    outTileDir.mkdir();
    this.outTileDir = outTileDir;
    this.wayCutter5 = wayCutter5;
  }

  public void finish() throws Exception {
    closeTileOutStreams();
  }


  public void nextRestriction(RestrictionData data) throws Exception {
    int tileIndex = wayCutter5.getTileIndexForNid(data.viaNid);
    if (tileIndex != -1) {
      data.writeTo(getOutStreamForTile(tileIndex));
    }
  }

  protected String getNameForTile(int tileIndex) {
    String name = wayCutter5.getNameForTile(tileIndex);
    return name.substring(0, name.length() - 3) + "rt5";
  }
}