trying to make fixtures with UIs working, was not successful

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

@@ -5,6 +5,7 @@ import com.badlogic.gdx.graphics.Camera
 import com.badlogic.gdx.graphics.Color
 import com.badlogic.gdx.graphics.g2d.SpriteBatch
 import net.torvald.terrarum.AppLoader
+import net.torvald.terrarum.Terrarum
 import net.torvald.terrarum.console.Authenticator
 import net.torvald.terrarum.console.CommandInterpreter
 import net.torvald.terrarum.fillRect
@@ -186,6 +187,7 @@ class ConsoleWindow : UICanvas() {
     }
 
     override fun doOpening(delta: Float) {
+        Terrarum.ingame?.paused = true
         /*openingTimeCounter += delta
         drawOffY = MovementInterpolator.fastPullOut(openingTimeCounter.toFloat() / openCloseTime.toFloat(),
                 -height.toFloat(), 0f
@@ -193,6 +195,7 @@ class ConsoleWindow : UICanvas() {
     }
 
     override fun doClosing(delta: Float) {
+        Terrarum.ingame?.paused = false
         /*openingTimeCounter += delta
         drawOffY = MovementInterpolator.fastPullOut(openingTimeCounter.toFloat() / openCloseTime.toFloat(),
                 0f, -height.toFloat()

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

@@ -365,4 +365,5 @@ abstract class UICanvas(
         }
     }
 
+    override fun toString(): String = "${this.javaClass.simpleName}@${this.hashCode().toString(16)}"
 }

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

@@ -88,7 +88,7 @@ class UIHandler(//var UI: UICanvas,
     fun addSubUI(ui: UICanvas) {
         if (subUIs.contains(ui))
             throw IllegalArgumentException(
-                    "Exact copy of the UI already exists: The instance of ${ui.javaClass.simpleName}"
+                    "Exact copy of the UI already exists: The instance of $ui"
             )
 
         subUIs.add(ui)
@@ -136,6 +136,7 @@ class UIHandler(//var UI: UICanvas,
                 // println("UIHandler.opening ${UI.javaClass.simpleName}")
             }
             else {
+                ui.doOpening(0f)
                 ui.endOpening(delta)
                 isOpening = false
                 isClosing = false
@@ -156,6 +157,7 @@ class UIHandler(//var UI: UICanvas,
                 // println("UIHandler.closing ${UI.javaClass.simpleName}")
             }
             else {
+                ui.doClosing(0f)
                 ui.endClosing(delta)
                 isClosing = false
                 isOpening = false
@@ -218,7 +220,7 @@ class UIHandler(//var UI: UICanvas,
     }
 
     /**
-     * Send OPEN signal to the attached UI.
+     * Send OPEN signal to the attached UI. The actual job is done when the handler is being updated.
      */
     fun setAsOpen() {
         if (alwaysVisible && !doNotWarnConstant) {
@@ -235,7 +237,7 @@ class UIHandler(//var UI: UICanvas,
     }
 
     /**
-     * Send CLOSE signal to the attached UI.
+     * Send CLOSE signal to the attached UI. The actual job is done when the handler is being updated.
      */
     fun setAsClose() {
         if (alwaysVisible && !doNotWarnConstant) {