avatar import error handling

assets/locales/en/terrarum_sentences.json

@@ -1,4 +1,5 @@
 {
+  "ERROR_FILE_NOT_FOUND": "File not found.",
   "GAME_32BIT_WARNING1": "It looks like you’re running a 32-Bit version of Java.",
   "GAME_32BIT_WARNING2": "Please download and install the latest 64-Bit Java at:",
   "GAME_32BIT_WARNING3": "https://www.java.com/en/download/",

assets/locales/koKR/terrarum_sentences.json

@@ -1,4 +1,5 @@
 {
+  "ERROR_FILE_NOT_FOUND": "파일을 찾을 수 없습니다.",
   "GAME_32BIT_WARNING1": "32비트 버전의 Java를 사용중인 것 같습니다.",
   "GAME_32BIT_WARNING2": "아래 링크에서 최신 64비트 Java를 내려받아 설치해주세요.",
   "GAME_32BIT_WARNING3": "https://www.java.com/ko/download/",

assets/mods/basegame/locales/en/sentences.json

@@ -2,5 +2,6 @@
   "CONTEXT_THIS_IS_A_WORLD_CURRENTLY_PLAYING": "This is a world currently playing.",
   "CONTEXT_IMPORT_AVATAR_INSTRUCTION_1": "1. Place the Avatar file into the following directory:",
   "CONTEXT_IMPORT_AVATAR_INSTRUCTION_2": "",
-  "CONTEXT_IMPORT_AVATAR_INSTRUCTION_3": "2. Enter the name of the file below, then press Import"
+  "CONTEXT_IMPORT_AVATAR_INSTRUCTION_3": "2. Enter the name of the file below, then press Import",
+  "ERROR_AVATAR_ALREADY_EXISTS": "The Avatar already exists."
 }

assets/mods/basegame/locales/koKR/sentences.json

@@ -1,5 +1,6 @@
 {
   "CONTEXT_THIS_IS_A_WORLD_CURRENTLY_PLAYING": "현재 플레이 중인 월드입니다.",
   "CONTEXT_IMPORT_AVATAR_INSTRUCTION_1": "1. 아바타 파일을 다음 폴더에 넣어주세요",
-  "CONTEXT_IMPORT_AVATAR_INSTRUCTION_3": "2. 아바타 파일 이름을 아래에 입력하고 가져오기를 눌러주세요"
+  "CONTEXT_IMPORT_AVATAR_INSTRUCTION_3": "2. 아바타 파일 이름을 아래에 입력하고 가져오기를 눌러주세요",
+  "ERROR_AVATAR_ALREADY_EXISTS": "이미 존재하는 아바타입니다."
 }

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

@@ -61,6 +61,8 @@ class UIImportAvatar(val remoCon: UIRemoCon) : Advanceable() {
     private val goButton = UIItemTextButton(this,
         { Lang["MENU_IO_IMPORT"] }, drawX + width/2 + (width/2 - goButtonWidth) / 2, drawY + height - 24, goButtonWidth, alignment = UIItemTextButton.Companion.Alignment.CENTRE, hasBorder = true)
 
+    private var importReturnCode = 0
+
     init {
 //        addUIitem(codeBox)
 //        addUIitem(clearButton)
@@ -79,8 +81,15 @@ class UIImportAvatar(val remoCon: UIRemoCon) : Advanceable() {
             remoCon.openUI(UILoadSavegame(remoCon))
         }
         goButton.clickOnceListener = { _,_ ->
-            val returnCode = doImport()
-            if (returnCode == 0) remoCon.openUI(UILoadSavegame(remoCon))
+            if (filenameInput.getText().isNotBlank()) {
+                importReturnCode = doImport()
+                if (importReturnCode == 0) remoCon.openUI(UILoadSavegame(remoCon))
+            }
+        }
+
+        // reset importReturnCode if the text input has changed
+        filenameInput.onKeyDown = { _ ->
+            importReturnCode = 0
         }
     }
 
@@ -92,7 +101,6 @@ class UIImportAvatar(val remoCon: UIRemoCon) : Advanceable() {
     override fun updateUI(delta: Float) {
         uiItems.forEach { it.update(delta) }
 
-
         pathW = App.fontGame.getWidth(App.importDir)
         val textX = (Toolkit.drawWidth - pathW) / 2
         textY = (App.scr.height - height) / 2 + descStartY + (1) * lh
@@ -102,10 +110,18 @@ class UIImportAvatar(val remoCon: UIRemoCon) : Advanceable() {
         if (mouseOnLink && Gdx.input.isButtonJustPressed(Input.Buttons.LEFT)) {
             OpenFile(File(App.importDir))
         }
+
     }
 
     private val textboxIndices = (1..3)
 
+    private val errorMessages = listOf(
+        Lang["ERROR_GENERIC_TEXT"], // -1
+        "", // 0
+        Lang["ERROR_FILE_NOT_FOUND"], // 1
+        Lang["ERROR_AVATAR_ALREADY_EXISTS"], // 2
+    )
+
     override fun renderUI(batch: SpriteBatch, camera: Camera) {
         batch.color = Color.WHITE
         val textboxWidth = textboxIndices.maxOf { App.fontGame.getWidth(Lang["CONTEXT_IMPORT_AVATAR_INSTRUCTION_$it"]) }
@@ -120,6 +136,14 @@ class UIImportAvatar(val remoCon: UIRemoCon) : Advanceable() {
 
 
         uiItems.forEach { it.render(batch, camera) }
+
+
+        if (importReturnCode != 0) {
+            batch.color = Toolkit.Theme.COL_RED
+            val tby = filenameInput.posY
+            val btny = backButton.posY
+            Toolkit.drawTextCentered(batch, App.fontGame, errorMessages[importReturnCode + 1], Toolkit.drawWidth, 0, (tby + btny) / 2)
+        }
     }
 
     override fun dispose() {
@@ -129,7 +153,7 @@ class UIImportAvatar(val remoCon: UIRemoCon) : Advanceable() {
     }
 
     private fun doImport(): Int {
-        val file = File("${App.importDir}/${filenameInput.getText()}")
+        val file = File("${App.importDir}/${filenameInput.getText().trim()}")
 
         // check file's existence
         if (!file.exists()) {

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

@@ -73,6 +73,8 @@ class UIItemTextLineInput(
     init {
     }
 
+    var onKeyDown: (TerrarumKeyboardEvent) -> Unit = {}
+
     private val labels = CommonResourcePool.getAsTextureRegionPack("inventory_category")
 
     override val height = 24
@@ -394,6 +396,8 @@ class UIItemTextLineInput(
                 if (textbuf.size == 0) {
                     currentPlaceholderText = CodepointSequence(placeholder().toCodePoints())
                 }
+
+                onKeyDown(e)
             }
         }
         else if (oldActive) { // just became deactivated