more chunk pool and savegame migration codes

2026-06-14 20:44:05 +09:00 · 2024-10-08 12:55:30 +09:00
parent b4523b8492
commit e0fcd00d82
10 changed files with 261 additions and 172 deletions
--- a/src/net/torvald/terrarum/modulebasegame/SavegameConverter.kt
+++ b/src/net/torvald/terrarum/modulebasegame/SavegameConverter.kt
@@ -0,0 +1,75 @@
+package net.torvald.terrarum.modulebasegame
+
+import net.torvald.reflection.extortField
+import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.archivers.ClusteredFormatDOM
+import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.archivers.Clustfile
+import net.torvald.terrarum.savegame.*
+import net.torvald.terrarum.serialise.Common
+import net.torvald.terrarum.serialise.toBig64
+import java.io.File
+
+/**
+ * Created by minjaesong on 2024-10-08.
+ */
+object SavegameConverter {
+
+    fun type254toType11(infile: File, outFile: File) {
+        val type254DOM = VDUtil.readDiskArchive(infile)
+        type254DOMtoType11Disk(type254DOM, outFile)
+    }
+
+    private val getGenver = Regex("""(?<="genver" ?: ?)[0-9]+""")
+
+    private fun type254DOMtoType11Disk(type254DOM: VirtualDisk, outFile: File) {
+        val version: Long = when (type254DOM.saveKind) {
+            VDSaveKind.PLAYER_DATA, VDSaveKind.WORLD_DATA -> {
+                val savegameInfo = ByteArray64Reader(type254DOM.getFile(VDFileID.SAVEGAMEINFO)!!.bytes, Common.CHARSET)
+                CharArray(128).let {
+                    savegameInfo.read(it, 0, 128)
+                    getGenver.find(String(it))?.value?.toLong()!!
+                }
+            }
+            else -> 0L
+        }
+
+        val newDisk = ClusteredFormatDOM.createNewArchive(
+            outFile,
+            Common.CHARSET,
+            type254DOM.getDiskName(Common.CHARSET),
+            ClusteredFormatDOM.MAX_CAPA_IN_SECTORS,
+            byteArrayOf(
+                -1, // pad
+                byteArrayOf(15, -1)[type254DOM.saveOrigin.ushr(4).and(1)], // imported/native
+                byteArrayOf(0x00, 0x50, 0x57)[type254DOM.saveKind], // player/world
+                byteArrayOf(0x6d, 0x6d, 0x61, 0x61)[type254DOM.saveMode], // manual/auto
+                type254DOM.extraInfoBytes[4], type254DOM.extraInfoBytes[5], // snapshot info
+                0, 0,// reserved
+            ) + version.toBig64() // VERSION_RAW in big-endian
+        )
+        val DOM = ClusteredFormatDOM(newDisk)
+        val root = DOM.getRootFile()
+
+        // do filecopy
+        type254DOM.entries.filter { it.key != 0L }.forEach { entryID, diskEntry ->
+            val filename = Common.type254EntryIDtoType17Filename(entryID)
+            if (diskEntry.contents !is EntryFile) throw IllegalStateException("Entry in the savegame is not a file (${diskEntry.contents.javaClass.simpleName})")
+
+            val entry = diskEntry.contents as EntryFile
+
+            val oldBytes = entry.bytes.toByteArray()
+
+            Clustfile(DOM, root, filename).let { file ->
+                // write bytes
+                file.createNewFile()
+                file.writeBytes(oldBytes)
+                // modify attributes
+                val FAT = file.extortField<ClusteredFormatDOM.FATEntry>("FAT")!!
+                FAT.creationDate = diskEntry.creationDate
+                FAT.modificationDate = diskEntry.modificationDate
+            }
+        }
+
+        DOM.dispose()
+    }
+
+}