reading savefiles won't freeze the ui (too much)

src/net/torvald/terrarum/App.java

@@ -16,7 +16,6 @@ import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
 import com.badlogic.gdx.utils.Disposable;
 import com.badlogic.gdx.utils.JsonValue;
 import com.github.strikerx3.jxinput.XInputDevice;
-import kotlin.Pair;
 import net.torvald.gdx.graphics.PixmapIO2;
 import net.torvald.getcpuname.GetCpuName;
 import net.torvald.terrarum.concurrent.ThreadExecutor;
@@ -32,9 +31,7 @@ import net.torvald.terrarum.modulebasegame.IngameRenderer;
 import net.torvald.terrarum.modulebasegame.TerrarumIngame;
 import net.torvald.terrarum.modulebasegame.ui.ItemSlotImageFactory;
 import net.torvald.terrarum.serialise.WriteConfig;
-import net.torvald.terrarum.serialise.WriteMeta;
 import net.torvald.terrarum.tvda.DiskSkimmer;
-import net.torvald.terrarum.tvda.VirtualDisk;
 import net.torvald.terrarum.utils.JsonFetcher;
 import net.torvald.terrarum.worlddrawer.CreateTileAtlas;
 import net.torvald.terrarumsansbitmap.gdx.GameFontBase;
@@ -235,7 +232,7 @@ public class App implements ApplicationListener {
     private static com.badlogic.gdx.graphics.Color gradWhiteTop = new com.badlogic.gdx.graphics.Color(0xf8f8f8ff);
     private static com.badlogic.gdx.graphics.Color gradWhiteBottom = new com.badlogic.gdx.graphics.Color(0xd8d8d8ff);
 
-    private static Screen currenScreen;
+    private static Screen currentScreen;
     private static LoadScreenBase currentSetLoadScreen;
 
     public static Texture textureWhiteSquare;
@@ -288,6 +285,10 @@ public class App implements ApplicationListener {
             "xinput", "xbox", "game", "joy", "pad"
     };
 
+    public static Screen getCurrentScreen() {
+        return currentScreen;
+    }
+
     public static void main(String[] args) {
         // print copyright message
         System.out.println(csiB+GAME_NAME+" "+csiG+getVERSION_STRING()+" "+csiK+"\u2014"+" "+csi0+TerrarumAppConfiguration.COPYRIGHT_DATE_NAME);
@@ -521,7 +522,7 @@ public class App implements ApplicationListener {
         // draw splash screen when predefined screen is null
         // because in normal operation, the only time screen == null is when the app is cold-launched
         // you can't have a text drawn here :v
-        if (currenScreen == null) {
+        if (currentScreen == null) {
             drawSplash();
 
             loadTimer += Gdx.graphics.getDeltaTime();
@@ -539,10 +540,10 @@ public class App implements ApplicationListener {
         }
         // draw the screen
         else {
-            currenScreen.render(UPDATE_RATE);
+            currentScreen.render(UPDATE_RATE);
         }
 
-        KeyToggler.INSTANCE.update(currenScreen instanceof TerrarumIngame);
+        KeyToggler.INSTANCE.update(currentScreen instanceof TerrarumIngame);
 
         // nested FBOs are just not a thing in GL!
         net.torvald.terrarum.FrameBufferManager.end();
@@ -663,7 +664,7 @@ public class App implements ApplicationListener {
 
         scr.setDimension(width, height);
 
-        if (currenScreen != null) currenScreen.resize(scr.getWidth(), scr.getHeight());
+        if (currentScreen != null) currentScreen.resize(scr.getWidth(), scr.getHeight());
         updateFullscreenQuad(scr.getWidth(), scr.getHeight());
 
 
@@ -692,9 +693,9 @@ public class App implements ApplicationListener {
         System.out.println("Goodbye !");
 
 
-        if (currenScreen != null) {
-            currenScreen.hide();
-            currenScreen.dispose();
+        if (currentScreen != null) {
+            currentScreen.hide();
+            currentScreen.dispose();
         }
 
         //IngameRenderer.INSTANCE.dispose();
@@ -741,12 +742,12 @@ public class App implements ApplicationListener {
 
     @Override
     public void pause() {
-        if (currenScreen != null) currenScreen.pause();
+        if (currentScreen != null) currentScreen.pause();
     }
 
     @Override
     public void resume() {
-        if (currenScreen != null) currenScreen.resume();
+        if (currentScreen != null) currentScreen.resume();
     }
 
     public static LoadScreenBase getLoadScreen() {
@@ -773,26 +774,26 @@ public class App implements ApplicationListener {
 
         // this whole thing is directtly copied from com.badlogic.gdx.Game
 
-        if (currenScreen != null) {
-            printdbg("AppLoader-Static", "Screen before change: " + currenScreen.getClass().getCanonicalName());
+        if (currentScreen != null) {
+            printdbg("AppLoader-Static", "Screen before change: " + currentScreen.getClass().getCanonicalName());
 
-            currenScreen.hide();
-            currenScreen.dispose();
+            currentScreen.hide();
+            currentScreen.dispose();
         }
         else {
             printdbg("AppLoader-Static", "Screen before change: null");
         }
 
 
-        currenScreen = screen;
+        currentScreen = screen;
 
-        currenScreen.show();
-        currenScreen.resize(scr.getWidth(), scr.getHeight());
+        currentScreen.show();
+        currentScreen.resize(scr.getWidth(), scr.getHeight());
 
 
         System.gc();
 
-        printdbg("AppLoader-Static", "Screen transition complete: " + currenScreen.getClass().getCanonicalName());
+        printdbg("AppLoader-Static", "Screen transition complete: " + currentScreen.getClass().getCanonicalName());
     }
 
     /**

src/net/torvald/terrarum/TitleScreen.kt

@@ -113,7 +113,7 @@ class TitleScreen(batch: SpriteBatch) : IngameInstance(batch) {
 
 
     val uiContainer = UIContainer()
-    private lateinit var uiMenu: UICanvas
+    internal lateinit var uiRemoCon: UICanvas
     internal lateinit var uiFakeBlurOverlay: UICanvas
 
     private lateinit var worldFBO: FrameBuffer
@@ -189,12 +189,12 @@ class TitleScreen(batch: SpriteBatch) : IngameInstance(batch) {
         uiContainer.add(uiFakeBlurOverlay)
 
 
-        uiMenu = UIRemoCon(this, UITitleRemoConYaml(App.savegames.isNotEmpty()))
-        uiMenu.setPosition(0, 0)
-        uiMenu.setAsOpen()
+        uiRemoCon = UIRemoCon(this, UITitleRemoConYaml(App.savegames.isNotEmpty()))
+        uiRemoCon.setPosition(0, 0)
+        uiRemoCon.setAsOpen()
 
 
-        uiContainer.add(uiMenu)
+        uiContainer.add(uiRemoCon)
 
         CommandDict // invoke
         // TODO add console here
@@ -340,10 +340,10 @@ class TitleScreen(batch: SpriteBatch) : IngameInstance(batch) {
 
 
         // resize UI by re-creating it (!!)
-        uiMenu.resize(App.scr.width, App.scr.height)
+        uiRemoCon.resize(App.scr.width, App.scr.height)
         // TODO I forgot what the fuck kind of hack I was talking about
         //uiMenu.setPosition(0, UITitleRemoConRoot.menubarOffY)
-        uiMenu.setPosition(0, 0) // shitty hack. Could be:
+        uiRemoCon.setPosition(0, 0) // shitty hack. Could be:
         // 1: Init code and resize code are different
         // 2: The UI is coded shit
 
@@ -354,7 +354,7 @@ class TitleScreen(batch: SpriteBatch) : IngameInstance(batch) {
     }
 
     override fun dispose() {
-        uiMenu.dispose()
+        uiRemoCon.dispose()
         demoWorld.dispose()
     }
 

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

@@ -15,10 +15,8 @@ import net.torvald.terrarum.langpack.Lang
 import net.torvald.terrarum.serialise.Common
 import net.torvald.terrarum.serialise.LoadSavegame
 import net.torvald.terrarum.serialise.ReadMeta
-import net.torvald.terrarum.tvda.ByteArray64InputStream
-import net.torvald.terrarum.tvda.DiskSkimmer
-import net.torvald.terrarum.tvda.EntryFile
-import net.torvald.terrarum.tvda.VDUtil
+import net.torvald.terrarum.serialise.WriteMeta
+import net.torvald.terrarum.tvda.*
 import net.torvald.terrarum.ui.*
 import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
 import java.time.Instant
@@ -29,6 +27,8 @@ import java.util.zip.GZIPInputStream
 import kotlin.math.roundToInt
 
 /**
+ * Only works if current screen set by the App is [TitleScreen]
+ *
  * Created by minjaesong on 2021-09-09.
  */
 class UILoadDemoSavefiles : UICanvas() {
@@ -37,6 +37,9 @@ class UILoadDemoSavefiles : UICanvas() {
         CommonResourcePool.addToLoadingList("terrarum-defaultsavegamethumb") {
             TextureRegion(Texture(Gdx.files.internal("assets/graphics/gui/savegame_thumb_placeholder.png")))
         }
+        CommonResourcePool.addToLoadingList("savegame_status_icon") {
+            TextureRegionPack("assets/graphics/gui/savegame_status_icon.tga", 24, 24)
+        }
         CommonResourcePool.loadAll()
     }
 
@@ -52,21 +55,21 @@ class UILoadDemoSavefiles : UICanvas() {
     private val shapeRenderer = ShapeRenderer()
 
 
-    private val uiWidth = UIItemDemoSaveCells.WIDTH // 480
-    private val uiX = (width - uiWidth) / 2
+    internal val uiWidth = UIItemDemoSaveCells.WIDTH // 480
+    internal val uiX = (width - uiWidth) / 2
 
-    private val textH = App.fontGame.lineHeight.toInt()
+    internal val textH = App.fontGame.lineHeight.toInt()
 
-    private val cellGap = 20
-    private val cellInterval = cellGap + UIItemDemoSaveCells.HEIGHT
-    private val gradAreaHeight = 32
+    internal val cellGap = 20
+    internal val cellInterval = cellGap + UIItemDemoSaveCells.HEIGHT
+    internal val gradAreaHeight = 32
 
-    private val titleTextPosY: Int = App.scr.tvSafeGraphicsHeight + 10
-    private val titleTopGradStart: Int = titleTextPosY + textH
-    private val titleTopGradEnd: Int = titleTopGradStart + gradAreaHeight
-    private val titleBottomGradStart: Int = height - App.scr.tvSafeGraphicsHeight - gradAreaHeight
-    private val titleBottomGradEnd: Int = titleBottomGradStart + gradAreaHeight
-    private val controlHelperY: Int = titleBottomGradStart + gradAreaHeight - textH
+    internal val titleTextPosY: Int = App.scr.tvSafeGraphicsHeight + 10
+    internal val titleTopGradStart: Int = titleTextPosY + textH
+    internal val titleTopGradEnd: Int = titleTopGradStart + gradAreaHeight
+    internal val titleBottomGradStart: Int = height - App.scr.tvSafeGraphicsHeight - gradAreaHeight
+    internal val titleBottomGradEnd: Int = titleBottomGradStart + gradAreaHeight
+    internal val controlHelperY: Int = titleBottomGradStart + gradAreaHeight - textH
 
 
     private val controlHelp: String
@@ -89,24 +92,42 @@ class UILoadDemoSavefiles : UICanvas() {
 
     private var sliderFBO = FrameBuffer(Pixmap.Format.RGBA8888, uiWidth + 10, height, true)
 
+    private var showSpinner = false
+
     override fun show() {
         printdbg(this, "savefiles show()")
 
-        // read savegames
-        var savegamesCount = 0
-        App.savegames.forEach { skimmer ->
-            val x = uiX
-            val y = titleTopGradEnd + cellInterval * savegamesCount
-            try {
-                addUIitem(UIItemDemoSaveCells(this, x, y, skimmer))
-                savegamesCount += 1
-            }
-            catch (e: Throwable) {
-                System.err.println("[UILoadDemoSavefiles] Savefile '${skimmer.diskFile.absolutePath}' cannot be loaded")
-                e.printStackTrace()
-            }
+        try {
+            val remoCon = (App.getCurrentScreen() as TitleScreen).uiRemoCon
+
+            remoCon.handler.lockToggle()
+            showSpinner = true
+
+            Thread {
+                // read savegames
+                var savegamesCount = 0
+                App.savegames.forEach { skimmer ->
+                    val x = uiX
+                    val y = titleTopGradEnd + cellInterval * savegamesCount
+                    try {
+                        addUIitem(UIItemDemoSaveCells(this, x, y, skimmer))
+                        savegamesCount += 1
+                    }
+                    catch (e: Throwable) {
+                        System.err.println("[UILoadDemoSavefiles] Savefile '${skimmer.diskFile.absolutePath}' cannot be loaded")
+                        e.printStackTrace()
+                    }
+
+
+                }
+
+
+                remoCon.handler.unlockToggle()
+                showSpinner = false
+            }.start()
 
         }
+        catch (e: UninitializedPropertyAccessException) {}
     }
 
     override fun hide() {
@@ -132,8 +153,8 @@ class UILoadDemoSavefiles : UICanvas() {
             }
         }
 
-
-        uiItems.forEachIndexed { index, it ->
+        for (index in 0 until uiItems.size) {
+            val it = uiItems[index]
             if (index in listScroll - 2 until listScroll + savesVisible + 2) {
                 // re-position
                 it.posY = (it.initialY - uiScroll).roundToInt()
@@ -155,7 +176,8 @@ class UILoadDemoSavefiles : UICanvas() {
             setCameraPosition(batch, camera, 0f, 0f)
             batch.color = Color.WHITE
             batch.inUse {
-                uiItems.forEachIndexed { index, it ->
+                for (index in 0 until uiItems.size) {
+                    val it = uiItems[index]
                     if (index in listScroll - 2 until listScroll + savesVisible + 2) {
                         it.render(batch, camera)
                     }
@@ -303,27 +325,37 @@ class UIItemDemoSaveCells(
         const val HEIGHT = 120
     }
 
-    init {
-        CommonResourcePool.addToLoadingList("savegame_status_icon") {
-            TextureRegionPack("assets/graphics/gui/savegame_status_icon.tga", 24, 24)
-        }
-        CommonResourcePool.loadAll()
 
+    private val metaFile: DiskEntry?
+    private val saveName: String
+    private val saveMode: Int
+    private val isQuick: Boolean
+    private val isAuto: Boolean
+    private val meta: WriteMeta.WorldMeta?
+    private val saveDamaged: Boolean
+    private val lastPlayedTimestamp: String
+
+    init {
         printdbg(this, "Rebuilding skimmer for savefile ${skimmer.diskFile.absolutePath}")
         skimmer.rebuild()
+
+        metaFile = skimmer.requestFile(-1)
+        saveName = skimmer.getDiskName(Common.CHARSET)
+        saveMode = skimmer.getSaveMode()
+        isQuick = (saveMode % 2 == 1)
+        isAuto = (saveMode.ushr(1) != 0)
+        meta = if (metaFile != null) ReadMeta.fromDiskEntry(metaFile) else null
+
+        saveDamaged = checkForSavegameDamage(skimmer)
+
+        lastPlayedTimestamp = if (meta != null)
+            Instant.ofEpochSecond(meta.lastplay_t)
+                    .atZone(TimeZone.getDefault().toZoneId())
+                    .format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")) +
+            "/${parseDuration(meta.playtime_t)}"
+        else "--:--:--/--h--m--s"
     }
 
-    private var saveDamaged = checkForSavegameDamage(skimmer)
-
-    override val width: Int = WIDTH
-    override val height: Int = HEIGHT
-
-    private var thumbPixmap: Pixmap? = null
-    private var thumb: TextureRegion? = null
-    private val grad = CommonResourcePool.getAsTexture("title_halfgrad")
-
-    private val icons = CommonResourcePool.getAsTextureRegionPack("savegame_status_icon")
-
     private fun parseDuration(seconds: Long): String {
         val s = seconds % 60
         val m = (seconds / 60) % 60
@@ -335,36 +367,20 @@ class UIItemDemoSaveCells(
             "${d}d${h.toString().padStart(2,'0')}h${m.toString().padStart(2,'0')}m${s.toString().padStart(2,'0')}s"
     }
 
-    private val metaFile = skimmer.requestFile(-1)
+    override val width: Int = WIDTH
+    override val height: Int = HEIGHT
 
-    private val saveName = skimmer.getDiskName(Common.CHARSET)
-    private val saveMode = skimmer.getSaveMode()
-    private val isQuick = (saveMode % 2 == 1)
-    private val isAuto = (saveMode.ushr(1) != 0)
-    private val meta = if (metaFile != null) ReadMeta.fromDiskEntry(metaFile) else null
+    private var thumbPixmap: Pixmap? = null
+    private var thumb: TextureRegion? = null
+    private val grad = CommonResourcePool.getAsTexture("title_halfgrad")
 
-    private val colourBad = Color(0xFF8888FF.toInt())
+    private val icons = CommonResourcePool.getAsTextureRegionPack("savegame_status_icon")
+
+
+    private val colourBad = Color(0xFF0011FF.toInt())
 
-    private val lastPlayedTimestamp = if (meta != null)
-        Instant.ofEpochSecond(meta.lastplay_t)
-            .atZone(TimeZone.getDefault().toZoneId())
-            .format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")) +
-                                      "/${parseDuration(meta.playtime_t)}"
-        else "--:--:--/--h--m--s"
 
     init {
-        // load thumbnail or use stock if the file is not there
-        skimmer.requestFile(-2)?.let {
-            val zippedTga = (it.contents as EntryFile).bytes
-            val gzin = GZIPInputStream(ByteArray64InputStream(zippedTga))
-            val tgaFileContents = gzin.readAllBytes(); gzin.close()
-
-            thumbPixmap = Pixmap(tgaFileContents, 0, tgaFileContents.size)
-            val thumbTex = Texture(thumbPixmap)
-            thumbTex.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear)
-            thumb = TextureRegion(thumbTex)
-            thumb!!.setRegion(0, (thumbTex.height - 2 * height) / 2, width * 2, height * 2)
-        }
 
     }
 
@@ -372,7 +388,29 @@ class UIItemDemoSaveCells(
         LoadSavegame(VDUtil.readDiskArchive(skimmer.diskFile, Level.INFO))
     }
 
+    internal var hasTexture = false
+        private set
+
     override fun render(batch: SpriteBatch, camera: Camera) {
+        // try to generate a texture
+        if (skimmer.initialised && !hasTexture) {
+            // load thumbnail or use stock if the file is not there
+            skimmer.requestFile(-2)?.let {
+                val zippedTga = (it.contents as EntryFile).bytes
+                val gzin = GZIPInputStream(ByteArray64InputStream(zippedTga))
+                val tgaFileContents = gzin.readAllBytes(); gzin.close()
+
+                thumbPixmap = Pixmap(tgaFileContents, 0, tgaFileContents.size)
+                val thumbTex = Texture(thumbPixmap)
+                thumbTex.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear)
+                thumb = TextureRegion(thumbTex)
+                thumb!!.setRegion(0, (thumbTex.height - 2 * height) / 2, width * 2, height * 2)
+            }
+
+
+            hasTexture = true
+        }
+
         val highlightCol = if (mouseUp) UIItemTextButton.defaultActiveCol else Color.WHITE
         val x = posX.toFloat()
         val y = posY.toFloat()

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

@@ -5,8 +5,11 @@ import com.badlogic.gdx.Input
 import com.badlogic.gdx.graphics.Camera
 import com.badlogic.gdx.graphics.Color
 import com.badlogic.gdx.graphics.g2d.SpriteBatch
-import net.torvald.terrarum.*
+import net.torvald.terrarum.App
 import net.torvald.terrarum.App.printdbgerr
+import net.torvald.terrarum.QNDTreeNode
+import net.torvald.terrarum.TitleScreen
+import net.torvald.terrarum.Yaml
 import net.torvald.terrarum.serialise.WriteConfig
 import net.torvald.terrarum.ui.UICanvas
 import net.torvald.terrarum.ui.UIItemTextButton
@@ -85,69 +88,71 @@ open class UIRemoCon(val parent: TitleScreen, treeRepresentation: QNDTreeNode<St
         val selectedItem = remoConTray.selectedItem
         val selectedIndex = remoConTray.selectedIndex
 
-        selectedItem?.let {
-            // selection change
-            if (it.labelText == "MENU_LABEL_QUIT") {
-                //System.exit(0)
-                Gdx.app.exit()
-            }
-            else if (it.labelText.startsWith("MENU_LABEL_RETURN")) {
-                val tag = it.tags
-                if (tag.contains("WRITETOCONFIG")) WriteConfig()
-
-
-                if (currentRemoConContents.parent != null) {
-                    remoConTray.consume()
-
-                    currentRemoConContents = currentRemoConContents.parent!!
-                    currentlySelectedRemoConItem = currentRemoConContents.data
-                    remoConTray = generateNewRemoCon(currentRemoConContents)
-
-                    parent.uiFakeBlurOverlay.setAsClose()
+        if (!handler.uiToggleLocked) {
+            selectedItem?.let {
+                // selection change
+                if (it.labelText == "MENU_LABEL_QUIT") {
+                    //System.exit(0)
+                    Gdx.app.exit()
                 }
-                else {
-                    throw NullPointerException("No parent node to return")
-                }
-            }
-            else {
-                // check if target exists
-                //println("current node: ${currentRemoConContents.data}")
-                //currentRemoConContents.children.forEach { println("- ${it.data}") }
-
-                if (currentRemoConContents.children.size > selectedIndex ?: 0x7FFFFFFF) {
+                else if (it.labelText.startsWith("MENU_LABEL_RETURN")) {
+                    val tag = it.tags
+                    if (tag.contains("WRITETOCONFIG")) WriteConfig()
 
 
-                    val newCurrentRemoConContents = currentRemoConContents.children[selectedIndex!!]
-
-                    // only go deeper if that node has child to navigate
-                    if (currentRemoConContents.children[selectedIndex].children.size != 0) {
+                    if (currentRemoConContents.parent != null) {
                         remoConTray.consume()
-                        remoConTray = generateNewRemoCon(newCurrentRemoConContents)
-                        currentRemoConContents = newCurrentRemoConContents
+
+                        currentRemoConContents = currentRemoConContents.parent!!
+                        currentlySelectedRemoConItem = currentRemoConContents.data
+                        remoConTray = generateNewRemoCon(currentRemoConContents)
+
+                        parent.uiFakeBlurOverlay.setAsClose()
+                    }
+                    else {
+                        throw NullPointerException("No parent node to return")
                     }
-
-                    currentlySelectedRemoConItem = newCurrentRemoConContents.data
                 }
                 else {
-                    throw RuntimeException("Index: $selectedIndex, Size: ${currentRemoConContents.children.size}")
+                    // check if target exists
+                    //println("current node: ${currentRemoConContents.data}")
+                    //currentRemoConContents.children.forEach { println("- ${it.data}") }
+
+                    if (currentRemoConContents.children.size > selectedIndex ?: 0x7FFFFFFF) {
+
+
+                        val newCurrentRemoConContents = currentRemoConContents.children[selectedIndex!!]
+
+                        // only go deeper if that node has child to navigate
+                        if (currentRemoConContents.children[selectedIndex].children.size != 0) {
+                            remoConTray.consume()
+                            remoConTray = generateNewRemoCon(newCurrentRemoConContents)
+                            currentRemoConContents = newCurrentRemoConContents
+                        }
+
+                        currentlySelectedRemoConItem = newCurrentRemoConContents.data
+                    }
+                    else {
+                        throw RuntimeException("Index: $selectedIndex, Size: ${currentRemoConContents.children.size}")
+                    }
                 }
-            }
 
 
-            // do something with the actual selection
-            //printdbg(this, "$currentlySelectedRemoConItem")
+                // do something with the actual selection
+                //printdbg(this, "$currentlySelectedRemoConItem")
 
-            screens.forEach {
-                //printdbg(this, "> ${it.first}")
+                screens.forEach {
+                    //printdbg(this, "> ${it.first}")
 
-                if (currentlySelectedRemoConItem == it.first) {
-                    parent.uiFakeBlurOverlay.setAsOpen()
-                    it.second.setAsOpen()
+                    if (currentlySelectedRemoConItem == it.first) {
+                        parent.uiFakeBlurOverlay.setAsOpen()
+                        it.second.setAsOpen()
 
-                    //printdbg(this, ">> ding - ${it.second.javaClass.canonicalName}")
-                }
-                else {
-                    it.second.setAsClose()
+                        //printdbg(this, ">> ding - ${it.second.javaClass.canonicalName}")
+                    }
+                    else {
+                        it.second.setAsClose()
+                    }
                 }
             }
         }
@@ -277,30 +282,11 @@ open class UIRemoCon(val parent: TitleScreen, treeRepresentation: QNDTreeNode<St
                 tagsCollection = tags
         )
 
-        private val spinner = CommonResourcePool.getAsTextureRegionPack("inline_loading_spinner")
-        private var spinnerTimer = 0f
-        private var spinnerFrame = 0
-        private val spinnerInterval = 1f / 60f
-
         fun update(delta: Float) {
-            spinnerTimer += delta
-            if (spinnerTimer > spinnerInterval) {
-                spinnerFrame = (spinnerFrame + 1) % 32
-                spinnerTimer -= spinnerInterval
-            }
-
             menubar.update(delta)
         }
 
         fun render(batch: SpriteBatch, camera: Camera) {
-            val spin = spinner.get(spinnerFrame % 8, spinnerFrame / 8)
-
-            val inlineOffsetY = if (App.GAME_LOCALE.startsWith("th")) 0f
-            else if (App.GAME_LOCALE.startsWith("ko")) 0f
-            else 1f
-
-            batch.draw(spin, menubar.posX + paddingLeft - 5f, menubar.posY + (lineHeight - 20) / 2 - inlineOffsetY)
-
             menubar.render(batch, camera)
         }
 

src/net/torvald/terrarum/ui/UIAutosaveNotifier.kt

@@ -0,0 +1,58 @@
+package net.torvald.terrarum.ui
+
+import com.badlogic.gdx.graphics.Camera
+import com.badlogic.gdx.graphics.g2d.SpriteBatch
+import net.torvald.terrarum.App
+import net.torvald.terrarum.CommonResourcePool
+
+/**
+ * Created by minjaesong on 2021-10-01.
+ */
+class UIAutosaveNotifier : UICanvas() {
+
+    override var width: Int
+        get() = TODO("Not yet implemented")
+        set(value) {}
+    override var height: Int
+        get() = TODO("Not yet implemented")
+        set(value) {}
+    override var openCloseTime = 0.2f
+
+    private val spinner = CommonResourcePool.getAsTextureRegionPack("inline_loading_spinner")
+    private var spinnerTimer = 0f
+    private var spinnerFrame = 0
+    private val spinnerInterval = 1f / 60f
+
+    override fun updateUI(delta: Float) {
+        spinnerTimer += delta
+        if (spinnerTimer > spinnerInterval) {
+            spinnerFrame = (spinnerFrame + 1) % 32
+            spinnerTimer -= spinnerInterval
+        }
+    }
+
+    override fun renderUI(batch: SpriteBatch, camera: Camera) {
+        val spin = spinner.get(spinnerFrame % 8, spinnerFrame / 8)
+
+        val inlineOffsetY = if (App.GAME_LOCALE.startsWith("th")) 0f
+        else if (App.GAME_LOCALE.startsWith("ko")) 0f
+        else 1f
+
+        batch.draw(spin, posX.toFloat(), posY.toFloat())
+    }
+
+    override fun doOpening(delta: Float) {
+    }
+
+    override fun doClosing(delta: Float) {
+    }
+
+    override fun endOpening(delta: Float) {
+    }
+
+    override fun endClosing(delta: Float) {
+    }
+
+    override fun dispose() {
+    }
+}

src/net/torvald/terrarum/ui/UIHandler.kt

@@ -118,7 +118,7 @@ void main() {
 
     private val shader = App.loadShaderInline(SHADER_PROG_VERT, SHADER_PROG_FRAG)
 
-    private var uiToggleLocked = false
+    var uiToggleLocked = false; private set
 
     init {
         //UI.handler = this