jpexsのffdecで艦これの海域Flashから地図データぶっこ抜く

Main.scala

import java.io._

import com.jpexs.decompiler.flash.SWF
import com.jpexs.decompiler.flash.tags.{ShowFrameTag, PlaceObject2Tag, DefineSpriteTag, DefineBitsJPEG3Tag}

import scala.collection.JavaConverters._

object Main {
  val LineRegex = """line(\d)""".r
  def main(args: Array[String]) {
    val path = "/home/yosuke/01_01.swf"
    val is = new FileInputStream(new File(path))
    val swf = new SWF(is, path, "KanColle1_1", false)
    val ids = swf.getCharacters.asScala
    ids.collect {
      case (i, jpeg: DefineBitsJPEG3Tag) =>
        val os = new FileOutputStream(s"/home/yosuke/${jpeg.getCharacterId}.jpg")
        output(jpeg.getImageData, os)
      case (i, sprite: DefineSpriteTag) =>
        val subtags = sprite.getSubTags.asScala
        val isTarget = subtags.collectFirst {
          case frame: ShowFrameTag => true
        }.isDefined
        if(isTarget) {
          subtags.collect {
            case obj: PlaceObject2Tag =>
              for {
                name <- Option(obj.name)
                matcher <- LineRegex.findFirstMatchIn(name)
              } {
                println(matcher.group(1).toInt, obj.matrix.translateX, obj.matrix.translateY)
              }
          }
        }
    }
  }

  val BufSize = 1024 * 4
  def output(is: InputStream, os: OutputStream): Unit = {
    val buf = new Array[Byte](BufSize)
    while(is.read(buf) >= 0) {
      os.write(buf)
    }
  }
}