and now fa and fis works the same? wtf?

src/net/torvald/terrarum/Terrarum.kt

@@ -788,6 +788,7 @@ fun AppUpdateListOfSavegames() {
 
     println("Listing saved worlds...")
 
+
     // create list of worlds
     File(worldsDir).listFiles().filter { !it.isDirectory && !it.name.contains('.') }.mapNotNull { file ->
         try {
@@ -834,7 +835,7 @@ fun AppUpdateListOfSavegames() {
             null
         }
     }.sortedByDescending { it.getLastModifiedTime() }.forEachIndexed { index, it ->
-//        println("${index+1}.\t${it.diskFile.absolutePath}")
+        println("${index+1}.\t${it.diskFile.absolutePath}")
 //        it.rebuild()
 
 //        val jsonFile = it.getFile(SAVEGAMEINFO)!!
@@ -854,6 +855,11 @@ fun AppUpdateListOfSavegames() {
         }
     }
 
+    println("SortedPlayers...")
+    App.sortedPlayers.forEach {
+        println(it)
+    }
+
 }
 
 /**

src/net/torvald/terrarum/modulebasegame/ui/UILoadList.kt

@@ -6,6 +6,7 @@ import com.badlogic.gdx.graphics.g2d.SpriteBatch
 import com.badlogic.gdx.graphics.g2d.TextureRegion
 import com.badlogic.gdx.graphics.glutils.FrameBuffer
 import net.torvald.terrarum.*
+import net.torvald.terrarum.App.printdbg
 import net.torvald.terrarum.langpack.Lang
 import net.torvald.terrarum.ui.Movement
 import net.torvald.terrarum.ui.Toolkit
@@ -92,39 +93,53 @@ class UILoadList(val full: UILoadSavegame) : UICanvas() {
         full.changePanelTo(1)
     }
 
+    private var showCalled = false
+
     override fun show() {
-        mode1Node.parent = full.remoCon.treeRoot
-        mode1Node.data = "MENU_MODE_SINGLEPLAYER : net.torvald.terrarum.modulebasegame.ui.UILoadSavegame"
-        full.remoCon.setNewRemoConContents(mode1Node)
-        playerCells.clear()
+        if (!showCalled) {
+            showCalled = true
+//            println("UILoadList ${this.hashCode()} show called by:")
+//            printStackTrace(this)
 
-        try {
-            full.remoCon.handler.lockToggle()
-            showSpinner = true
+            mode1Node.parent = full.remoCon.treeRoot
+            mode1Node.data = "MENU_MODE_SINGLEPLAYER : net.torvald.terrarum.modulebasegame.ui.UILoadSavegame"
+            full.remoCon.setNewRemoConContents(mode1Node)
+            playerCells.clear()
 
-            Thread {
-                // read savegames
-                var savegamesCount = 0
-                App.sortedPlayers.forEach { uuid ->
-                    val x = full.uiX
-                    val y = titleTopGradEnd + cellInterval * savegamesCount
-                    try {
-                        playerCells.add(UIItemPlayerCells(full, x, y, uuid))
-                        savegamesCount += 1
+            try {
+                full.remoCon.handler.lockToggle()
+                showSpinner = true
+
+                Thread {
+                    // read savegames
+                    var savegamesCount = 0
+                    printdbg(this, "============== ${this.hashCode()} ============== ")
+                    App.sortedPlayers.forEach { uuid ->
+                        printdbg(this, "Reading player $uuid")
+
+
+                        val x = full.uiX
+                        val y = titleTopGradEnd + cellInterval * savegamesCount
+                        try {
+                            playerCells.add(UIItemPlayerCells(full, x, y, uuid))
+                            savegamesCount += 1
+                        }
+                        catch (e: Throwable) {
+                            System.err.println("[UILoadSavegame] Error while loading Player with UUID $uuid")
+                            e.printStackTrace()
+                        }
                     }
-                    catch (e: Throwable) {
-                        System.err.println("[UILoadSavegame] Error while loading Player with UUID $uuid")
-                        e.printStackTrace()
-                    }
-                }
+                    printdbg(this, "============== ${this.hashCode()} ============== ")
 
 
-                full.remoCon.handler.unlockToggle()
-                showSpinner = false
-            }.start()
+                    full.remoCon.handler.unlockToggle()
+                    showSpinner = false
+                }.start()
 
+            }
+            catch (e: UninitializedPropertyAccessException) {
+            }
         }
-        catch (e: UninitializedPropertyAccessException) {}
     }
 
     override fun updateUI(delta: Float) {
@@ -277,6 +292,7 @@ class UILoadList(val full: UILoadSavegame) : UICanvas() {
     override fun hide() {
         playerCells.forEach { it.dispose() }
         playerCells.clear()
+        showCalled = false
     }
 
     override fun resize(width: Int, height: Int) {

src/net/torvald/terrarum/savegame/DiskSkimmer.kt

@@ -121,6 +121,40 @@ removefile:
         if (readStatus != 8) throw InternalError("Unexpected error -- EOF reached? (expected 8, got $readStatus)")
         return buffer.toInt64()
     }
+    private fun RandomAccessFile.readBytes(buffer: ByteArray): Int {
+        val readStatus = this.read(buffer)
+        return readStatus
+    }
+    private fun RandomAccessFile.readInt16(): Int {
+        val buffer = ByteArray(2)
+        val readStatus = readBytes(buffer)
+        if (readStatus != 2) throw InternalError("Unexpected error -- EOF reached? (expected 2, got $readStatus)")
+        return buffer.toInt16()
+    }
+    private fun RandomAccessFile.readInt32(): Int {
+        val buffer = ByteArray(4)
+        val readStatus = readBytes(buffer)
+        if (readStatus != 4) throw InternalError("Unexpected error -- EOF reached? (expected 4, got $readStatus)")
+        return buffer.toInt32()
+    }
+    private fun RandomAccessFile.readInt48(): Long {
+        val buffer = ByteArray(6)
+        val readStatus = readBytes(buffer)
+        if (readStatus != 6) throw InternalError("Unexpected error -- EOF reached? (expected 6, got $readStatus)")
+        return buffer.toInt48()
+    }
+    private fun RandomAccessFile.readInt24(): Int {
+        val buffer = ByteArray(3)
+        val readStatus = readBytes(buffer)
+        if (readStatus != 3) throw InternalError("Unexpected error -- EOF reached? (expected 3, got $readStatus)")
+        return buffer.toInt24()
+    }
+    private fun RandomAccessFile.readInt64(): Long {
+        val buffer = ByteArray(8)
+        val readStatus = readBytes(buffer)
+        if (readStatus != 8) throw InternalError("Unexpected error -- EOF reached? (expected 8, got $readStatus)")
+        return buffer.toInt64()
+    }
     private fun ByteArray.toInt16(offset: Int = 0): Int {
         return  this[0 + offset].toUint().shl(8) or
                 this[1 + offset].toUint()
@@ -162,18 +196,18 @@ removefile:
 
 //        fa = RandomAccessFile(diskFile, "rw")
 
-        val fis = FileInputStream(diskFile)
+        val fa = RandomAccessFile(diskFile, "rwd")
         var currentPosition = VirtualDisk.HEADER_SIZE
-        fis.skipNBytes(VirtualDisk.HEADER_SIZE) // skip disk header
+        fa.seek(VirtualDisk.HEADER_SIZE) // skip disk header
 
-        println("[DiskSkimmer] rebuild ${diskFile.canonicalPath}")
+//        println("[DiskSkimmer] rebuild ${diskFile.canonicalPath}")
 
 
         val currentLength = diskFile.length()
         var ccc = 0
         while (currentPosition < currentLength) {
 
-            val entryID = fis.readInt64() // at this point, cursor is 8 bytes past to the entry head
+            val entryID = fa.readInt64() // at this point, cursor is 8 bytes past to the entry head
             currentPosition += 8
 
             // fill up the offset table/
@@ -181,10 +215,10 @@ removefile:
 
 //            printdbg(this, "Offset $offset, entryID $entryID")
 
-            fis.readInt64() // parentID
-            val typeFlag = fis.read().toByte()
-            fis.readInt24()
-            fis.read(16)
+            fa.readInt64() // parentID
+            val typeFlag = fa.read().toByte()
+            fa.readInt24()
+            fa.read(16)
 
             currentPosition += 8+4+16
 
@@ -193,11 +227,11 @@ removefile:
             val entrySize = when (typeFlag and 127) {
                 DiskEntry.NORMAL_FILE -> {
                     currentPosition += 6
-                    fis.readInt48()
+                    fa.readInt48()
                 }
                 DiskEntry.DIRECTORY -> {
                     currentPosition += 4
-                    fis.readInt32().toLong() * 8L
+                    fa.readInt32().toLong() * 8L
                 }
                 else -> 0
             }
@@ -205,7 +239,7 @@ removefile:
 //            printdbg(this, "    type $typeFlag entrySize = $entrySize")
 
             currentPosition += entrySize // skips rest of the entry's actual contents
-            fis.skipNBytes(entrySize)
+            fa.seek(currentPosition)
 
             if (typeFlag > 0) {
                 if (entryToOffsetTable[entryID] != null)
@@ -226,7 +260,7 @@ removefile:
 
         }
 
-        fis.close()
+        fa.close()
         initialised = true
     }