initial test, ~40% of the performance was achieved

.gitattributes

@@ -5,4 +5,3 @@
 *.opus filter=lfs diff=lfs merge=lfs -text
 *.pdf filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
-*.kra filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -13,8 +13,6 @@ replay_pid*
 Thumbs.db
 .DS_Store
 desktop.ini
-.directory
-*/.directory
 
 # Resources that should not be tracked
 assets/mods/basegame/demoworld
@@ -28,7 +26,6 @@ workspace.xml
 # Temporary files
 .tmp*
 tmp_*
-*.bak
 ## Microsoft Office
 ~$*
 ## Generic temp files in Linux

.idea/libraries/KotlinJavaRuntime.xml

@@ -4,9 +4,6 @@
       <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib.jar!/" />
       <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect.jar!/" />
       <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test.jar!/" />
-      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlinx-coroutines-core-1.0.1.jar!/" />
-      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlinx-coroutines-io-jvm-0.1.1.jar!/" />
-      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlinx-coroutines-jdk8-1.0.1.jar!/" />
     </CLASSES>
     <JAVADOC />
     <SOURCES>

.idea/libraries/com_badlogicgames_gdx_gdx_backend_lwjgl3_1_9_10.xml

@@ -1,53 +0,0 @@
-<component name="libraryTable">
-  <library name="com.badlogicgames.gdx:gdx-backend-lwjgl3:1.9.10" type="repository">
-    <properties maven-id="com.badlogicgames.gdx:gdx-backend-lwjgl3:1.9.10" />
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-backend-lwjgl3-1.9.10.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-3.2.1.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-3.2.1-natives-windows.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-3.2.1-natives-linux.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-3.2.1-natives-macos.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-glfw-3.2.1.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-glfw-3.2.1-natives-windows.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-glfw-3.2.1-natives-linux.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-glfw-3.2.1-natives-macos.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-jemalloc-3.2.1.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-jemalloc-3.2.1-natives-windows.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-jemalloc-3.2.1-natives-linux.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-jemalloc-3.2.1-natives-macos.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-opengl-3.2.1.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-opengl-3.2.1-natives-windows.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-opengl-3.2.1-natives-linux.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-opengl-3.2.1-natives-macos.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-openal-3.2.1.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-openal-3.2.1-natives-windows.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-openal-3.2.1-natives-linux.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-openal-3.2.1-natives-macos.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jlayer-1.0.1-gdx.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jorbis-0.0.17.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-backend-lwjgl3-1.9.10-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-3.2.1-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-glfw-3.2.1-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-jemalloc-3.2.1-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-opengl-3.2.1-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-openal-3.2.1-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jlayer-1.0.1-gdx-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jorbis-0.0.17-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-backend-lwjgl3-1.9.10-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-3.2.1-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-glfw-3.2.1-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-jemalloc-3.2.1-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-opengl-3.2.1-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-openal-3.2.1-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jlayer-1.0.1-gdx-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jorbis-0.0.17-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>

.idea/libraries/com_badlogicgames_gdx_gdx_backend_lwjgl_1_9_10.xml

@@ -1,41 +0,0 @@
-<component name="libraryTable">
-  <library name="com.badlogicgames.gdx:gdx-backend-lwjgl:1.9.10" type="repository">
-    <properties maven-id="com.badlogicgames.gdx:gdx-backend-lwjgl:1.9.10" />
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-backend-lwjgl-1.9.10.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-2.9.3.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-platform-2.9.3-natives-windows.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-platform-2.9.3-natives-linux.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-platform-2.9.3-natives-osx.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jinput-2.0.5.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jutils-1.0.0.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jinput-platform-2.0.5-natives-linux.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jinput-platform-2.0.5-natives-windows.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jinput-platform-2.0.5-natives-osx.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl_util-2.9.3.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jlayer-1.0.1-gdx.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jorbis-0.0.17.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-backend-lwjgl-1.9.10-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-2.9.3-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jinput-2.0.5-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jutils-1.0.0-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl_util-2.9.3-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jlayer-1.0.1-gdx-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jorbis-0.0.17-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-backend-lwjgl-1.9.10-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl-2.9.3-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jinput-2.0.5-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jutils-1.0.0-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/lwjgl_util-2.9.3-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jlayer-1.0.1-gdx-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/jorbis-0.0.17-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>

.idea/libraries/com_badlogicgames_gdx_gdx_controllers_desktop_1_9_10.xml

@@ -1,20 +0,0 @@
-<component name="libraryTable">
-  <library name="com.badlogicgames.gdx:gdx-controllers-desktop:1.9.10" type="repository">
-    <properties maven-id="com.badlogicgames.gdx:gdx-controllers-desktop:1.9.10" />
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-controllers-desktop-1.9.10.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-controllers-1.9.10.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-controllers-desktop-1.9.10-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-controllers-1.9.10-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-controllers-desktop-1.9.10-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-controllers-1.9.10-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>

.idea/libraries/com_badlogicgames_gdx_gdx_controllers_platform_1_9_10.xml

@@ -1,18 +0,0 @@
-<component name="libraryTable">
-  <library name="com.badlogicgames.gdx:gdx-controllers-platform:1.9.10" type="repository">
-    <properties maven-id="com.badlogicgames.gdx:gdx-controllers-platform:1.9.10" />
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-controllers-platform-1.9.10.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-controllers-1.9.10.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10.jar!/" />
-    </CLASSES>
-    <JAVADOC>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-controllers-1.9.10-javadoc.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10-javadoc.jar!/" />
-    </JAVADOC>
-    <SOURCES>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-controllers-1.9.10-sources.jar!/" />
-      <root url="jar://$PROJECT_DIR$/lib/gdx-1.9.10-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>

.idea/libraries/com_badlogicgames_gdx_gdx_platform_1_9_10.xml

@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="com.badlogicgames.gdx:gdx-platform:1.9.10" type="repository">
-    <properties maven-id="com.badlogicgames.gdx:gdx-platform:1.9.10" />
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/lib/gdx-platform-1.9.10.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>

.idea/libraries/lib.xml

@@ -4,17 +4,24 @@
       <root url="file://$PROJECT_DIR$/lib" />
     </CLASSES>
     <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" />
+      <root url="file://$PROJECT_DIR$/lib/x86" />
+      <root url="file://$PROJECT_DIR$/lib/x86_64" />
     </NATIVE>
     <SOURCES>
+      <root url="file://$PROJECT_DIR$/lib/source" />
       <root url="jar://$PROJECT_DIR$/lib/Terrarum_Joise.jar!/" />
+      <root url="jar://$PROJECT_DIR$/lib/source/gdx-backend-lwjgl-sources.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/TerrarumSansBitmap.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/prtree.jar!/" />
     </SOURCES>
     <jarDirectory url="file://$PROJECT_DIR$/lib" recursive="false" />
+    <jarDirectory url="file://$PROJECT_DIR$/lib/source" recursive="false" type="SOURCES" />
   </library>
 </component>

.idea/misc.xml

@@ -38,7 +38,7 @@
       <property name="caretWidth" class="java.lang.Integer" />
     </properties>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="false" project-jdk-name="1.8.0_242" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_X" default="false" project-jdk-name="15-ea" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

REFERENCING.md

@@ -7,7 +7,7 @@
 |0x10_0000..0x0FFF_FFFF|Items (dynamic\*) (267M possible)|
 |0x1000_0000..0x7FFF_FFFF|Actors (1879M possible)|
 |-1..-65536|Virtual Tiles|
-|-2147483648..-65537 (all negative numbers)|Faction (2147M possible)|
+|-2147483648..-1 (all negative numbers)|Faction (2147M possible)|
 
 * dynamic items have own properties that will persist through savegame.
 
@@ -20,5 +20,3 @@ Actors range in-depth
 |0x5000_0000..0x5FFF_FFFF|Special (e.g. weapon swung, bullets, dropped item, particles)|
 |0x6000_0000..0x6FFF_FFFF|Rendered front (e.g. fake tile)|
 |0x7000_0000..0x7FFF_FFFF|Rendered as screen overlay, not affected by light nor environment overlays|
-
-Actor IDs are assigned in 256 groups, single actor can have 256 sub-actors

assets/4096_bayer.frag

@@ -1,4 +1,4 @@
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif

assets/4096_bayer_skyboxfill.frag

@@ -1,4 +1,4 @@
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif

assets/aaaxmul.frag

@@ -1,4 +1,4 @@
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif

assets/blendGlow.frag

@@ -1,4 +1,4 @@
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif

assets/crt.frag

@@ -1,4 +1,4 @@
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif

assets/hicolour.frag

@@ -1,4 +1,4 @@
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif

assets/loadingCircle.frag

@@ -1,4 +1,4 @@
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif

assets/mods/basegame/materials/materials.csv

@@ -8,7 +8,7 @@
 "EAUR"; "768";   "0";"8192";  "21";     "1.36";  "1.0";"elven aurichalcum"
 "TIAL"; "900";   "0";"4420";  "33";     "2.16";  "1.0";"titanium alloy (Ti6Al4V)"
 "ADMT";"2000";"4090";"2700";  "71";     "3.42";  "1.0";"adamant"
-"OOZE";  "20";   "0";"1000";   "1";     "0.08";  "0.5";"genetic ooze; data is about human skin"
+"OOZE";  "20";   "0";"1000";   "1";      "N/A";  "0.5";"genetic ooze; data is about human skin"
 "BONE"; "130";   "0";"2000";   "1";     "0.23"; "0.55";"data is that of bovine bone"
 
 # idst: ID_STRING, ALL CAPS

assets/passthrurgb.frag

@@ -1,4 +1,4 @@
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif

assets/raytracelight.frag

@@ -1,4 +1,4 @@
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif

assets/rgbxmul.frag

@@ -1,4 +1,4 @@
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif

assets/skyboxfill.frag

@@ -1,4 +1,4 @@
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif

assets/tiling.frag

@@ -2,7 +2,7 @@
 
 */
 
-#version 130
+#version 120
 #ifdef GL_ES
     precision mediump float;
 #endif
@@ -17,24 +17,27 @@ uniform sampler2D u_texture;
 
 
 uniform vec2 screenDimension;
-uniform vec2 tilesInAxes; // size of the tilemap texture; vec2(tiles_in_horizontal, tiles_in_vertical)
+uniform vec2 tilesInAxes; // basically a screen dimension; vec2(tiles_in_horizontal, tiles_in_vertical)
 
+uniform ivec2 tilemapDimension;
 uniform sampler2D tilemap; // RGBA8888
 
 uniform sampler2D tilesAtlas; // terrain, wire, fluids, etc.
 uniform sampler2D tilesBlendAtlas; // alternative terrain for the weather mix (e.g. yellowed grass)
 uniform float tilesBlend = 0.0; // percentage of blending [0f..1f]. 0: draws tilesAtlas, 1: draws tilesBlendAtlas
 
-uniform vec2 tilesInAtlas = ivec2(256.0, 256.0);
+uniform ivec2 tilesInAtlas = ivec2(256, 256);
-uniform vec2 atlasTexSize = ivec2(4096.0, 4096.0);
+uniform ivec2 atlasTexSize = ivec2(4096, 4096);
-vec2 tileSizeInPx = atlasTexSize / tilesInAtlas; // should be like ivec2(16.0, 16.0)
+ivec2 tileSizeInPx = atlasTexSize / tilesInAtlas; // should be like ivec2(16, 16)
 
 uniform vec4 colourFilter = vec4(1, 1, 1, 1); // used by WALL to darken it
 
-uniform ivec2 cameraTranslation = ivec2(0, 0); // used to offset the drawing; it's integer because we want the drawing to be pixel-aligned
+uniform ivec2 cameraTranslation = ivec2(0, 0); // used to offset the drawing
 
 uniform float drawBreakage = 1.0; // set it to 0f to not draw breakage, 1f to draw it; NEVER set to any other values.
 
+uniform float zoom = 1.0;
+
 
 ivec2 getTileXY(int tileNumber) {
     return ivec2(tileNumber % int(tilesInAtlas.x), tileNumber / int(tilesInAtlas.x));
@@ -67,8 +70,10 @@ void main() {
 
     // default gl_FragCoord takes half-integer (represeting centre of the pixel) -- could be useful for phys solver?
     // This one, however, takes exact integer by rounding down. //
-    vec2 overscannedScreenDimension = tilesInAxes * tileSizeInPx; // how many tiles will fit into a screen; one used by the tileFromMap; we need this because screen size is not integer multiple of the tile size
+    vec2 overscannedScreenDimension = tilesInAxes * tileSizeInPx; // how many tiles will fit into a screen; one used by the tileFromMap
     vec2 flippedFragCoord = vec2(gl_FragCoord.x, screenDimension.y - gl_FragCoord.y) + cameraTranslation; // NO IVEC2!!; this flips Y
+    //vec2 pxCoord = flippedFragCoord.xy; // TODO do I actually need 'pxCoord'?
+    vec2 zoomVec = vec2(zoom);
 
     // get required tile numbers //
 
@@ -78,17 +83,23 @@ void main() {
     ivec2 tileXY = getTileXY(tile);
     ivec2 breakageXY = getTileXY(breakage + 5); // +5 is hard-coded constant that depends on the atlas
 
-    // calculate the UV coord value for texture sampling //
+    // cauculate the UV coord value for texture sampling //
+
+    //vec2 coordInTile = mod(pxCoord, tileSizeInPx) / tileSizeInPx; // 0..1 regardless of tile position in atlas  // TODO do I actually need 'pxCoord'?
+    vec2 coordInTile = mod(flippedFragCoord, tileSizeInPx) / tileSizeInPx; // 0..1 regardless of tile position in atlas
 
     // don't really need highp here; read the GLES spec
-    vec2 uvCoordForTile = (mod(flippedFragCoord, tileSizeInPx) / tileSizeInPx) / tilesInAtlas; // 0..0.00390625 regardless of tile position in atlas
+    vec2 singleTileSizeInUV = vec2(1) / tilesInAtlas; // constant 0.00390625 for unmodified default uniforms
-    vec2 uvCoordOffsetTile = tileXY / tilesInAtlas; // where the tile starts in the atlas, using uv coord (0..1)
+
-    vec2 uvCoordOffsetBreakage = breakageXY / tilesInAtlas;
+    vec2 uvCoordForTile = coordInTile * singleTileSizeInUV; // 0..0.00390625 regardless of tile position in atlas
+
+    vec2 uvCoordOffsetTile = tileXY * singleTileSizeInUV; // where the tile starts in the atlas, using uv coord (0..1)
+    vec2 uvCoordOffsetBreakage = breakageXY * singleTileSizeInUV;
 
     // get final UV coord for the actual sampling //
 
-    vec2 finalUVCoordForTile = uvCoordForTile + uvCoordOffsetTile;// where we should be actually looking for in atlas, using UV coord (0..1)
+    vec2 finalUVCoordForTile = (uvCoordForTile + uvCoordOffsetTile);// where we should be actually looking for in atlas, using UV coord (0..1)
-    vec2 finalUVCoordForBreakage = uvCoordForTile + uvCoordOffsetBreakage;
+    vec2 finalUVCoordForBreakage = (uvCoordForTile + uvCoordOffsetBreakage);
 
     // blending a breakage tex with main tex //
 

build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.3.72'
+    ext.kotlin_version = '1.3.10'
 
     repositories {
         mavenCentral()
@@ -27,7 +27,6 @@ repositories {
 }
 
 dependencies {
-    compile "org.jetbrains.kotlin:kotlinx-coroutines-core"
     compile "org.jetbrains.kotlin:kotlin-stdlib"
     compile fileTree(dir: 'lib', include: ['*.jar'])
     implementation 'org.junit:junit-bom:5.2.0'

ingamemodule_basegame/ingamemodule_basegame.iml

@@ -8,10 +8,5 @@
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="lib" level="project" />
-    <orderEntry type="library" name="com.badlogicgames.gdx:gdx-backend-lwjgl:1.9.10" level="project" />
-    <orderEntry type="library" name="com.badlogicgames.gdx:gdx-backend-lwjgl3:1.9.10" level="project" />
-    <orderEntry type="library" name="com.badlogicgames.gdx:gdx-controllers-platform:1.9.10" level="project" />
-    <orderEntry type="library" name="com.badlogicgames.gdx:gdx-controllers-desktop:1.9.10" level="project" />
-    <orderEntry type="library" name="com.badlogicgames.gdx:gdx-platform:1.9.10" level="project" />
   </component>
 </module>