two getthumbnail funs merget into one

src/net/torvald/terrarum/SavegameCollection.kt

@@ -106,32 +106,38 @@ class SavegameCollection(files0: List<DiskSkimmer>) {
         }
     }
 
-    private fun getThumbnail0(vid: EntryID, width: Int, height: Int, shrinkage: Double): TextureRegion? {
-        return this.loadable().requestFile(vid).let { file ->
-            if (file != null) {
-                val zippedTga = (file.contents as EntryFile).bytes
-                val gzin = GZIPInputStream(ByteArray64InputStream(zippedTga))
-                val tgaFileContents = gzin.readAllBytes(); gzin.close()
-                val pixmap = Pixmap(tgaFileContents, 0, tgaFileContents.size)
-                TextureRegion(Texture(pixmap)).also {
-                    App.disposables.add(it.texture)
-                    // do cropping and resizing
-                    it.setRegion(
-                        ((pixmap.width - width*2) / shrinkage).roundToInt(),
-                        ((pixmap.height - height*2) / shrinkage).roundToInt(),
-                        (width * shrinkage).roundToInt(),
-                        (height * shrinkage).roundToInt()
-                    )
-                }
-            }
-            else {
-                null
+    fun getThumbnail(width: Int, height: Int, shrinkage: Double) = this.loadable().getThumbnail(width, height, shrinkage)
+}
+
+fun DiskSkimmer.getTgaGz(vid: EntryID, width: Int, height: Int, shrinkage: Double): TextureRegion? {
+    return this.requestFile(vid).let { file ->
+        if (file != null) {
+            val zippedTga = (file.contents as EntryFile).bytes
+            val gzin = GZIPInputStream(ByteArray64InputStream(zippedTga))
+            val tgaFileContents = gzin.readAllBytes(); gzin.close()
+            val pixmap = Pixmap(tgaFileContents, 0, tgaFileContents.size)
+            TextureRegion(Texture(pixmap)).also {
+                App.disposables.add(it.texture)
+                // do cropping and resizing
+                it.setRegion(
+                    ((pixmap.width - width*2) / shrinkage).roundToInt(),
+                    ((pixmap.height - height*2) / shrinkage).roundToInt(),
+                    (width * shrinkage).roundToInt(),
+                    (height * shrinkage).roundToInt()
+                )
             }
         }
+        else {
+            null
+        }
     }
-    fun getPlayerThumbnail(width: Int, height: Int, shrinkage: Double) = getThumbnail0(PLAYER_SCREENSHOT, width, height, shrinkage)
-    fun getWorldThumbnail(width: Int, height: Int, shrinkage: Double) = getThumbnail0(WORLD_SCREENSHOT, width, height, shrinkage)
 }
+fun DiskSkimmer.getThumbnail(width: Int, height: Int, shrinkage: Double) =
+    when (this.getSaveKind()) {
+        1 -> this.getTgaGz(PLAYER_SCREENSHOT, width, height, shrinkage)
+        2 -> this.getTgaGz(WORLD_SCREENSHOT, width, height, shrinkage)
+        else -> throw IllegalArgumentException("Unknown save kind: ${this.getSaveKind()}")
+    }
 
 class SavegameCollectionPair(private val player: SavegameCollection?, private val world: SavegameCollection?) {
 

src/net/torvald/terrarum/modulebasegame/IngameRenderer.kt

@@ -862,27 +862,27 @@ object IngameRenderer : Disposable {
     }
 
     override fun dispose() {
-        blurWriteQuad.tryDispose()
-        blurWriteQuad2.tryDispose()
-        //blurWriteQuad4.tryDispose()
+        if (::blurWriteQuad.isInitialized) blurWriteQuad.tryDispose()
+        if (::blurWriteQuad2.isInitialized) blurWriteQuad2.tryDispose()
+        //if (::blurWriteQuad4.isInitialized) blurWriteQuad4.tryDispose()
 
-        fboRGB.tryDispose()
-        fboA.tryDispose()
-        fboRGB_lightMixed.tryDispose()
-        fboA_lightMixed.tryDispose()
-        fboMixedOut.tryDispose()
-        lightmapFbo.tryDispose()
+        if (::fboRGB.isInitialized) fboRGB.tryDispose()
+        if (::fboA.isInitialized) fboA.tryDispose()
+        if (::fboRGB_lightMixed.isInitialized) fboRGB_lightMixed.tryDispose()
+        if (::fboA_lightMixed.isInitialized) fboA_lightMixed.tryDispose()
+        if (::fboMixedOut.isInitialized) fboMixedOut.tryDispose()
+        if (::lightmapFbo.isInitialized) lightmapFbo.tryDispose()
 
         blurtex0.tryDispose()
 
-        fboBlurHalf.tryDispose()
-        //fboBlurQuarter.tryDispose()
+        if (::fboBlurHalf.isInitialized) fboBlurHalf.tryDispose()
+        //if (::fboBlurQuarter.isInitialized) fboBlurQuarter.tryDispose()
 
         LightmapRenderer.dispose()
         BlocksDrawer.dispose()
         WeatherMixer.dispose()
 
-        batch.tryDispose()
+        if (::batch.isInitialized) batch.tryDispose()
 
 
         shaderBlur.dispose()
@@ -896,7 +896,7 @@ object IngameRenderer : Disposable {
         shaderForActors.dispose()
         shaderDemultiply.dispose()
 
-        fboRGBexport.tryDispose()
+        if (::fboRGBexport.isInitialized) fboRGBexport.tryDispose()
     }
 
     private fun worldCamToRenderPos(): Pair<Float, Float> {

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

@@ -45,6 +45,8 @@ import kotlin.math.roundToInt
 
 val SAVE_CELL_WIDTH = 480
 val SAVE_CELL_HEIGHT = 120
+val SAVE_THUMBNAIL_MAIN_WIDTH = 480
+val SAVE_THUMBNAIL_MAIN_HEIGHT = 320
 
 /**
  * The pinnacle of the dirty coding! This object exists only because I couldn't make
@@ -485,10 +487,11 @@ class UILoadDemoSavefiles(val remoCon: UIRemoCon) : Advanceable() {
 
 
 class UIItemPlayerCells(
-        parent: Advanceable,
-        initialX: Int,
-        initialY: Int,
-        val playerUUID: UUID) : UIItem(parent, initialX, initialY) {
+    parent: Advanceable,
+    initialX: Int,
+    initialY: Int,
+    val playerUUID: UUID,
+) : UIItem(parent, initialX, initialY) {
 
     override val width = SAVE_CELL_WIDTH
     override val height = SAVE_CELL_HEIGHT
@@ -528,7 +531,8 @@ class UIItemPlayerCells(
 
         }
 
-        savegameStatus = SavegameCollectionPair(App.savegamePlayers[playerUUID], App.savegameWorlds[worldUUID]).status
+        val savegamePair = SavegameCollectionPair(App.savegamePlayers[playerUUID], App.savegameWorlds[worldUUID])
+        savegameStatus = savegamePair.status
     }
 
     private fun parseDuration(seconds: Long): String {

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

@@ -123,14 +123,14 @@ class UILoadManage(val full: UILoadSavegame) : UICanvas() {
     }
 
     private var screencap: TextureRegion? = null
-    private val screencapW = SAVE_CELL_WIDTH
-    private val screencapH = SAVE_CELL_HEIGHT * 2
+    private val screencapW = SAVE_THUMBNAIL_MAIN_WIDTH
+    private val screencapH = SAVE_THUMBNAIL_MAIN_HEIGHT
 
     override fun doOpening(delta: Float) {
         full.playerButtonSelected?.forceUnhighlight = true
         full.playerButtonSelected?.let { button ->
             screencap?.texture?.tryDispose()
-            screencap = App.savegamePlayers[button.playerUUID]!!.getPlayerThumbnail(screencapW, screencapH, 2.0)
+            screencap = App.savegamePlayers[button.playerUUID]!!.getThumbnail(screencapW, screencapH, 2.0)
         }
     }
 

src/net/torvald/terrarum/savegame/DiskSkimmer.kt

@@ -447,12 +447,20 @@ removefile:
         fa.close()
     }
 
+    /**
+     * @return Save type (0b 0000 00ab)
+     *                   b: unset - full save; set - quicksave (only applicable to worlds -- quicksave just means the disk is in dirty state)
+     *                   a: set - generated by autosave
+     */
     fun getSaveMode(): Int {
         val fa = RandomAccessFile(diskFile, "rwd")
         fa.seek(49L)
         return fa.read().also { fa.close() }
     }
 
+    /**
+     * @return 1 if the savegame is player data, 2 if the savegame is world data, 0 otherwise
+     */
     fun getSaveKind(): Int {
         val fa = RandomAccessFile(diskFile, "rwd")
         fa.seek(50L)

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

@@ -62,7 +62,7 @@ class UIAutosaveNotifier : UICanvas() {
         }
         else {
             batch.color = errorCol
-            batch.draw(spinner.get(0,4), offX, offY)
+            batch.draw(spinner.get(0,4), offX, offY + 2f)
         }
         batch.color = if (errored) errorCol else normalCol
         App.fontGame.draw(batch, text, offX + 30f, offY - 2f)