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

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