reconfiguring docs and libs

- Targeting Java 10
- Gdx nightly 20181111 (1.9.9)

src/net/torvald/terrarum/Terrarum.kt

@@ -237,6 +237,7 @@ object Terrarum : Screen {
     init {
         println("$NAME version ${AppLoader.getVERSION_STRING()}")
         println("Java Runtime version ${System.getProperty("java.version")}")
+        println("LibGDX version ${com.badlogic.gdx.Version.VERSION}")
 
 
         getDefaultDirectory()

src/net/torvald/terrarum/UIItemInventoryCatBar.kt

@@ -38,7 +38,7 @@ class UIItemInventoryCatBar(
     // set up all the buttons
     init {
         // place sub UIs: Image Buttons
-        mainButtons = Array(catArrangement.size, { index ->
+        mainButtons = Array(catArrangement.size) { index ->
             val iconPosX = ((buttonGapSize / 2) + index * (catIcons.tileW + buttonGapSize)).roundInt()
             val iconPosY = 0
 
@@ -51,7 +51,7 @@ class UIItemInventoryCatBar(
                     posY = posY + iconPosY,
                     highlightable = true
             )
-        })
+        }
 
 
         // side buttons
@@ -65,7 +65,7 @@ class UIItemInventoryCatBar(
         println("[UIItemInventoryCatBar] relativeStartX: $relativeStartX")
         println("[UIItemInventoryCatBar] posX: $posX")
 
-        sideButtons = Array(iconIndex.size, { index ->
+        sideButtons = Array(iconIndex.size) { index ->
             val iconPosX = if (index < 2)
                 (relativeStartX + sideButtonsGap + (sideButtonsGap + catIcons.tileW) * index).roundInt()
             else
@@ -83,7 +83,7 @@ class UIItemInventoryCatBar(
                     activeCol = if (index == 0 || index == 3) Color(0xfff066_ff.toInt()) else Color(0xffffff7f.toInt()),
                     highlightable = (index == 0 || index == 3)
             )
-        })
+        }
     }
 
 

src/net/torvald/terrarum/worlddrawer/BlocksDrawerNew.kt

@@ -46,24 +46,24 @@ internal object BlocksDrawer {
 
     val wallOverlayColour = Color(2f/3f, 2f/3f, 2f/3f, 1f)
 
-    val breakAnimSteps = 10
+    const val breakAnimSteps = 10
 
     val WALL = GameWorld.WALL
     val TERRAIN = GameWorld.TERRAIN
     val WIRE = GameWorld.WIRE
 
-    private val NEARBY_TILE_KEY_UP = 0
-    private val NEARBY_TILE_KEY_RIGHT = 1
-    private val NEARBY_TILE_KEY_DOWN = 2
-    private val NEARBY_TILE_KEY_LEFT = 3
+    private const val NEARBY_TILE_KEY_UP = 0
+    private const val NEARBY_TILE_KEY_RIGHT = 1
+    private const val NEARBY_TILE_KEY_DOWN = 2
+    private const val NEARBY_TILE_KEY_LEFT = 3
 
-    private val NEARBY_TILE_CODE_UP = 1
-    private val NEARBY_TILE_CODE_RIGHT = 2
-    private val NEARBY_TILE_CODE_DOWN = 4
-    private val NEARBY_TILE_CODE_LEFT = 8
+    private const val NEARBY_TILE_CODE_UP = 1
+    private const val NEARBY_TILE_CODE_RIGHT = 2
+    private const val NEARBY_TILE_CODE_DOWN = 4
+    private const val NEARBY_TILE_CODE_LEFT = 8
 
 
-    private val GZIP_READBUF_SIZE = 8192
+    private const val GZIP_READBUF_SIZE = 8192
 
 
     private lateinit var terrainTilesBuffer: Array<IntArray>