mirror of
https://github.com/curioustorvald/Terrarum.git
synced 2026-06-13 12:04:06 +09:00
new map data format and its read/writer
!! UNTESTED !! UNTESTED !! UNTESTED !!
This commit is contained in:
minjaesong
229
src/net/torvald/terrarum/serialise/WriteLayerDataZip.kt
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229
src/net/torvald/terrarum/serialise/WriteLayerDataZip.kt
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package net.torvald.terrarum.serialise
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import net.torvald.terrarum.gameworld.GameWorld
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import net.torvald.terrarum.Terrarum
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import net.torvald.terrarum.console.EchoError
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import net.torvald.terrarum.realestate.LandUtil
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import java.io.BufferedOutputStream
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import java.io.File
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import java.io.FileOutputStream
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import java.io.IOException
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import java.nio.charset.Charset
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import java.util.zip.Deflater
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import java.util.zip.DeflaterOutputStream
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import java.util.zip.GZIPOutputStream
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/**
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* TODO this one does not use TerranVirtualDisk
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*
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* Created by minjaesong on 2016-03-18.
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*/
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// internal for everything: prevent malicious module from messing up the savedata
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internal object WriteLayerDataZip {
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// FIXME UNTESTED !!
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val LAYERS_FILENAME = "worldinfo1"
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val MAGIC = byteArrayOf(0x54, 0x45, 0x4D, 0x7A)
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val VERSION_NUMBER = 3.toByte()
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val NUMBER_OF_LAYERS = 3.toByte()
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val NUMBER_OF_PAYLOADS = 5.toByte()
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val COMPRESSION_ALGORITHM = 1.toByte()
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val PAYLOAD_HEADER = byteArrayOf(0, 0x70, 0x4C, 0x64)
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val PAYLOAD_FOOTER = byteArrayOf(0x45, 0x6E, 0x64, 0x50, 0x59, 0x4C, 0x64, -1)
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val FILE_FOOTER = byteArrayOf(0x45, 0x6E, 0x64, 0x54, 0x45, 0x4D, -1, -2)
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val NULL: Byte = 0
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internal operator fun invoke(saveDirectoryName: String): Boolean {
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val path = "${Terrarum.defaultSaveDir}/$saveDirectoryName/${LAYERS_FILENAME}"
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val tempPath = "${path}_bak"
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val world = (Terrarum.ingame!!.world)
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val parentDir = File("${Terrarum.defaultSaveDir}/$saveDirectoryName")
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if (!parentDir.exists()) {
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parentDir.mkdir()
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}
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else if (!parentDir.isDirectory) {
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EchoError("Savegame directory is not actually a directory, aborting...")
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return false
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}
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val tempFile = File(tempPath)
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val outFile = File(path)
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tempFile.createNewFile()
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val outputStream = BufferedOutputStream(FileOutputStream(tempFile), 8192)
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val deflater = DeflaterOutputStream(outputStream, true)
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fun wb(byteArray: ByteArray) { outputStream.write(byteArray) }
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fun wb(byte: Byte) { outputStream.write(byte.toInt()) }
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fun wb(byte: Int) { outputStream.write(byte) }
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fun wi32(int: Int) { wb(int.toLittle()) }
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fun wi48(long: Long) { wb(long.toLittle48()) }
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fun wi64(long: Long) { wb(long.toLittle()) }
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fun wf32(float: Float) { wi32(float.toRawBits()) }
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////////////////////
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// WRITE BINARIES //
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////////////////////
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// all the necessary headers
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wb(MAGIC); wb(VERSION_NUMBER); wb(NUMBER_OF_LAYERS); wb(NUMBER_OF_PAYLOADS); wb(COMPRESSION_ALGORITHM)
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// world width, height, and spawn point
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wb(world.width); wb(world.height)
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wi48(LandUtil.getBlockAddr(world, world.spawnX, world.spawnY))
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// write payloads //
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outputStream.flush()
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// TERR payload
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wb(PAYLOAD_HEADER); wb("TERR".toByteArray())
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wi48(world.width * world.height * 3L / 2)
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deflater.write(world.terrainArray)
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deflater.write(world.layerTerrainLowBits.data)
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deflater.flush()
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deflater.finish()
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wb(PAYLOAD_FOOTER)
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// WALL payload
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wb(PAYLOAD_HEADER); wb("WALL".toByteArray())
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wi48(world.width * world.height * 3L / 2)
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deflater.write(world.wallArray)
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deflater.write(world.layerWall.data)
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deflater.flush()
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deflater.finish()
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wb(PAYLOAD_FOOTER)
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// WIRE payload
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wb(PAYLOAD_HEADER); wb("WIRE".toByteArray())
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wi48(world.width * world.height.toLong())
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deflater.write(world.wireArray)
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deflater.flush()
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deflater.finish()
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wb(PAYLOAD_FOOTER)
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// TdMG payload
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wb(PAYLOAD_HEADER); wb("TdMG".toByteArray())
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wi48(world.terrainDamages.size.toLong())
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world.terrainDamages.forEach { t, u ->
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deflater.write(t.toLittle48())
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deflater.write(u.toRawBits().toLittle())
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}
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deflater.flush()
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deflater.finish()
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wb(PAYLOAD_FOOTER)
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// WdMG payload
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wb(PAYLOAD_HEADER); wb("WdMG".toByteArray())
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wi48(world.wallDamages.size.toLong())
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world.wallDamages.forEach { t, u ->
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deflater.write(t.toLittle48())
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deflater.write(u.toRawBits().toLittle())
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}
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deflater.flush()
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deflater.finish()
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wb(PAYLOAD_FOOTER)
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// write footer
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wb(FILE_FOOTER)
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//////////////////
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// END OF WRITE //
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//////////////////
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// replace savemeta with tempfile
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try {
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deflater.close()
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outputStream.flush()
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outputStream.close()
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outFile.delete()
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tempFile.copyTo(outFile, overwrite = true)
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tempFile.delete()
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println("Saved map data '$LAYERS_FILENAME' to $saveDirectoryName.")
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return true
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}
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catch (e: IOException) {
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e.printStackTrace()
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}
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finally {
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outputStream.close()
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}
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return false
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}
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}
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fun Int.toLittle() = byteArrayOf(
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this.and(0xFF).toByte(),
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this.ushr(8).and(0xFF).toByte(),
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this.ushr(16).and(0xFF).toByte(),
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this.ushr(24).and(0xFF).toByte()
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)
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fun Long.toLittle() = byteArrayOf(
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this.and(0xFF).toByte(),
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this.ushr(8).and(0xFF).toByte(),
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this.ushr(16).and(0xFF).toByte(),
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this.ushr(24).and(0xFF).toByte(),
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this.ushr(32).and(0xFF).toByte(),
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this.ushr(40).and(0xFF).toByte(),
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this.ushr(48).and(0xFF).toByte(),
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this.ushr(56).and(0xFF).toByte()
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)
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fun Long.toLittle48() = byteArrayOf(
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this.and(0xFF).toByte(),
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this.ushr(8).and(0xFF).toByte(),
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this.ushr(16).and(0xFF).toByte(),
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this.ushr(24).and(0xFF).toByte(),
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this.ushr(32).and(0xFF).toByte(),
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this.ushr(40).and(0xFF).toByte()
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)
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fun Double.toLittle() = java.lang.Double.doubleToRawLongBits(this).toLittle()
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fun Boolean.toLittle() = byteArrayOf(if (this) 0xFF.toByte() else 0.toByte())
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fun ByteArray.toLittleInt() =
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if (this.size != 4) throw Error("Array not in size of 4")
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else this[0].toUint() or
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this[1].toUint().shl(8) or
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this[2].toUint().shl(16) or
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this[3].toUint().shl(24)
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fun ByteArray.toLittleLong() =
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if (this.size != 8) throw Error("Array not in size of 8")
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else this[0].toUlong() or
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this[1].toUlong().shl(8) or
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this[2].toUlong().shl(16) or
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this[3].toUlong().shl(24) or
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this[4].toUlong().shl(32) or
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this[5].toUlong().shl(40) or
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this[6].toUlong().shl(48) or
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this[7].toUlong().shl(56)
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fun ByteArray.toLittleInt48() =
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if (this.size != 6) throw Error("Array not in size of 6")
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else this[0].toUlong() or
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this[1].toUlong().shl(8) or
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this[2].toUlong().shl(16) or
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this[3].toUlong().shl(24) or
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this[4].toUlong().shl(32) or
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this[5].toUlong().shl(40)
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fun ByteArray.toLittleFloat() = java.lang.Float.intBitsToFloat(this.toLittleInt())
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fun Byte.toUlong() = java.lang.Byte.toUnsignedLong(this)
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fun Byte.toUint() = java.lang.Byte.toUnsignedInt(this)
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