fixed a bug where closing the inventory ui while tooltip is showing will make it persist when the ui is opened again

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

@@ -34,6 +34,26 @@ import kotlin.math.roundToInt
  *
  * PosX/Y and relativeMouseX/Y are explained in ```work_files/terrarum_ui_elements_coord_explained.png```
  *
+ * ## Show/Hide/Opening/Closing Timeline
+ *
+ * The functions `show`, `doOpening`, `doClosing`, `hide`, `endOpening`, `endClosing` are called sequentially in this order:
+ *
+ * ```
+ * (open has triggered)
+ * show()
+ * doOpening()
+ * doOpening()
+ * ...
+ * endOpening()
+ * ...
+ * (close has triggered)
+ * hide()
+ * doClosing()
+ * doClosing()
+ * ...
+ * endClosing()
+ * ```
+ *
  * Created by minjaesong on 2015-12-31.
  */
 abstract class UICanvas(

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

@@ -34,7 +34,7 @@ class UIItemSpinner(
     private val fbo = FrameBuffer(Pixmap.Format.RGBA8888, width - 2*buttonW - 6, height - 4, false)
 
     var value = initialValue.coerceIn(min, max)
-    private var fboUpdateLatch = true
+    var fboUpdateLatch = true
 
     private var mouseOnButton = 0 // 0: nothing, 1: left, 2: right
 

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

@@ -124,6 +124,14 @@ open class UIItemTransitionContainer(
         return true
     }
 
+    override fun show() {
+        uis.forEach { it.show() }
+    }
+
+    override fun hide() {
+        uis.forEach { it.hide() }
+    }
+
     override fun dispose() {
         uis.forEach { it.dispose() }
     }