reconfiguring docs and libs

- Targeting Java 10
- Gdx nightly 20181111 (1.9.9)

.idea/compiler.xml

@@ -4,7 +4,7 @@
     <annotationProcessing>
       <profile default="true" name="Default" enabled="true" />
     </annotationProcessing>
-    <bytecodeTargetLevel target="8" />
+    <bytecodeTargetLevel target="10" />
   </component>
   <component name="JavacSettings">
     <option name="PREFER_TARGET_JDK_COMPILER" value="false" />

.idea/kotlinc.xml

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="Kotlin2JsCompilerArguments">
+    <option name="sourceMapEmbedSources" />
+  </component>
   <component name="Kotlin2JvmCompilerArguments">
     <option name="jvmTarget" value="1.8" />
   </component>

.idea/libraries/lib.xml

@@ -4,9 +4,10 @@
       <root url="file://$PROJECT_DIR$/lib" />
     </CLASSES>
     <JAVADOC>
-      <root url="http://slick.ninjacave.com/javadoc/" />
       <root url="file://$PROJECT_DIR$/lib/javadoc" />
       <root url="http://libgdx.badlogicgames.com/nightlies/docs/api/" />
+      <root url="https://libgdx.badlogicgames.com/ci/nightlies/docs/api/" />
+      <root url="jar://$PROJECT_DIR$/lib/javadoc/gdx-docs.zip!/" />
     </JAVADOC>
     <NATIVE>
       <root url="file://$PROJECT_DIR$/lib" />

.idea/misc.xml

@@ -38,7 +38,7 @@
       <property name="caretWidth" class="java.lang.Integer" />
     </properties>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_10" default="true" project-jdk-name="OpenJDK 10" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_10" default="false" project-jdk-name="11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

assets/tiling.frag

@@ -65,32 +65,34 @@ void main() {
 
     vec2 pxCoord = flippedFragCoord.xy;
 
-    mediump vec4 tileFromMap = texture2D(tilemap, flippedFragCoord / overscannedScreenDimension); // <- THE CULPRIT
+    // TODO do I really need mediump for this thing ? (default to smapler2D is lowp)
+    vec4 tileFromMap = texture2D(tilemap, flippedFragCoord / overscannedScreenDimension); // <- THE CULPRIT
     int tile = getTileFromColor(tileFromMap);
     int breakage = getBreakageFromColor(tileFromMap);
 
 
     ivec2 tileXY = getTileXY(tile);
-    ivec2 breakageXY = getTileXY(breakage + 5);
+    ivec2 breakageXY = getTileXY(breakage + 5); // +5 is hard-coded constant that depends on the atlas
 
 
-    vec2 coordInTile = mod(pxCoord, tileSizeInPx) / tileSizeInPx; // 0..1 regardless of tile position in atlas
+    mediump vec2 coordInTile = mod(pxCoord, tileSizeInPx) / tileSizeInPx; // 0..1 regardless of tile position in atlas
 
-    highp vec2 singleTileSizeInUV = vec2(1) / tilesInAtlas; // constant 0.00390625
+    // don't really need highp here; read the GLES spec
+    mediump vec2 singleTileSizeInUV = vec2(1) / tilesInAtlas; // constant 0.00390625 for unmodified default uniforms
 
-    highp vec2 uvCoordForTile = coordInTile * singleTileSizeInUV; // 0..0.00390625 regardless of tile position in atlas
+    mediump vec2 uvCoordForTile = coordInTile * singleTileSizeInUV; // 0..0.00390625 regardless of tile position in atlas
 
-    highp vec2 uvCoordOffset = tileXY * singleTileSizeInUV; // where the tile starts in the atlas, using uv coord (0..1)
-    highp vec2 uvCoordOffsetBreakage = breakageXY * singleTileSizeInUV;
+    mediump vec2 uvCoordOffsetTile = tileXY * singleTileSizeInUV; // where the tile starts in the atlas, using uv coord (0..1)
+    mediump vec2 uvCoordOffsetBreakage = breakageXY * singleTileSizeInUV;
 
-    highp vec2 finalUVCoordForTile = uvCoordForTile + uvCoordOffset;// where we should be actually looking for in atlas, using UV coord (0..1)
-    highp vec2 finalUVCoordForBreakage = uvCoordForTile + uvCoordOffsetBreakage;
+    mediump vec2 finalUVCoordForTile = uvCoordForTile + uvCoordOffsetTile;// where we should be actually looking for in atlas, using UV coord (0..1)
+    mediump vec2 finalUVCoordForBreakage = uvCoordForTile + uvCoordOffsetBreakage;
 
 
-    // TODO finally "blend" a breakage (0xrrggbb where 0xr00000 -- upper 4 bits of int_red component)
+    // blending a breakage tex with main tex
 
-    mediump vec4 finalTile = texture2D(tilesAtlas, finalUVCoordForTile);
-    mediump vec4 finalBreakage = texture2D(tilesAtlas, finalUVCoordForBreakage);
+    vec4 finalTile = texture2D(tilesAtlas, finalUVCoordForTile);
+    vec4 finalBreakage = texture2D(tilesAtlas, finalUVCoordForBreakage);
 
     gl_FragColor = colourFilter * (mix(finalTile, finalBreakage, finalBreakage.a));
 

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>