physics anomaly at x 0..33? are fixed, other issues (re)introduced

See ActorWBMovable@Line1238

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

@@ -745,7 +745,7 @@ internal object BlocksDrawer {
         shader.setUniformi("tilemap", 1)
         shader.setUniformi("tilemapDimension", tilesBuffer.width, tilesBuffer.height)
         shader.setUniformf("tilesInAxes", tilesInHorizontal.toFloat(), tilesInVertical.toFloat())
-        shader.setUniformi("cameraTranslation", WorldCamera.x fmod TILE_SIZE, WorldCamera.y fmod TILE_SIZE)
+        shader.setUniformi("cameraTranslation", WorldCamera.x % TILE_SIZE, WorldCamera.y % TILE_SIZE) // surprisingly, using 'fmod' instead of '%' doesn't work
         /*shader hard-code*/shader.setUniformi("tilesInAtlas", tileAtlas.horizontalCount, tileAtlas.verticalCount) //depends on the tile atlas
         /*shader hard-code*/shader.setUniformi("atlasTexSize", tileAtlas.texture.width, tileAtlas.texture.height) //depends on the tile atlas
         tilesQuad.render(shader, GL20.GL_TRIANGLES)

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

@@ -178,6 +178,9 @@ object LightmapRenderer {
         for_x_start = WorldCamera.x / TILE_SIZE // fix for premature lightmap rendering
         for_y_start = WorldCamera.y / TILE_SIZE // on topmost/leftmost side
 
+        if (for_x_start < 0) for_x_start -= 1 // to fix that the light shifts 1 tile to the left when WorldCamera < 0
+        //if (for_y_start < 0) for_y_start -= 1 // not needed when we only wrap at x axis
+
         for_x_end = for_x_start + WorldCamera.width / TILE_SIZE + 3
         for_y_end = for_y_start + WorldCamera.height / TILE_SIZE + 2 // same fix as above