something's not right with tile numbering

assets/mods/basegame/blocks/blocks.csv

@@ -1,6 +1,5 @@
 "id";"drop";"name";"shdr";"shdg";"shdb";"shduv";"str";"dsty";"mate";"solid";"plat";"wall";"grav";"dlfn";"fv";"fr";"lumr";"lumg";"lumb";"lumuv";"colour";"vscs"
 "0";"0";"BLOCK_AIR";"0.0312";"0.0312";"0.0312";"0.0312";"1";"1";"NULL";"0";"0";"1";"N/A";"0";"0";"4";"0.0000";"0.0000";"0.0000";"0.0000";"N/A";"N/A"
-"1";"1";"BLOCK_MIASMA";"0.0312";"0.0312";"0.0312";"0.0312";"1";"1";"NULL";"0";"0";"1";"N/A";"0";"0";"4";"0.0000";"0.0000";"0.0000";"0.0000";"N/A";"N/A"
 "16";"17";"BLOCK_STONE";"0.1252";"0.1252";"0.1252";"0.1252";"48";"2400";"ROCK";"1";"0";"1";"N/A";"0";"4";"16";"0.0000";"0.0000";"0.0000";"0.0000";"N/A";"N/A"
 "17";"17";"BLOCK_STONE_QUARRIED";"0.1252";"0.1252";"0.1252";"0.1252";"48";"2400";"ROCK";"1";"0";"1";"N/A";"0";"4";"16";"0.0000";"0.0000";"0.0000";"0.0000";"N/A";"N/A"
 "18";"18";"BLOCK_STONE_TILE_WHITE";"0.1252";"0.1252";"0.1252";"0.1252";"48";"2400";"ROCK";"1";"0";"1";"N/A";"0";"4";"16";"0.0000";"0.0000";"0.0000";"0.0000";"N/A";"N/A"

src/net/torvald/terrarum/blockstats/MinimapComposer.kt

@@ -137,7 +137,7 @@ object MinimapComposer : Disposable {
                 val tileTerr = world.getTileFromTerrain(x, y)
                 val wallTerr = world.getTileFromWall(x, y)
                 val colTerr = CreateTileAtlas.terrainTileColourMap.get(tileTerr)!!.toGdxColor()
-                val colWall = CreateTileAtlas.terrainTileColourMap.get(wallTerr)!!.toGdxColor().mul(BlocksDrawer.wallOverlayColour)
+                val colWall = CreateTileAtlas.terrainTileColourMap.get(wallTerr)!!.toGdxColor().mul(CreateTileAtlas.wallOverlayColour)
 
                 val outCol = if (colTerr.a > 0.1f) colTerr else colWall
 

src/net/torvald/terrarum/gameworld/GameWorld.kt

@@ -147,6 +147,8 @@ open class GameWorld : Disposable {
         tileNumberToNameMap = HashMap<Int, ItemID>()
         tileNameToNumberMap = HashMap<ItemID, Int>()
         CreateTileAtlas.tags.forEach {
+            printdbg(this, "tileNumber ${it.value.tileNumber} <-> tileName ${it.key}")
+
             tileNumberToNameMap[it.value.tileNumber] = it.key
             tileNameToNumberMap[it.key] = it.value.tileNumber
         }
@@ -224,7 +226,14 @@ open class GameWorld : Disposable {
      */
     fun getTileFromTerrain(rawX: Int, rawY: Int): ItemID {
         val (x, y) = coerceXY(rawX, rawY)
-        return tileNumberToNameMap[layerTerrain.unsafeGetTile(x, y)]!!
+
+        try {
+            return tileNumberToNameMap[layerTerrain.unsafeGetTile(x, y)]!!
+        }
+        catch (e: NullPointerException) {
+            System.err.println("NPE for tilenum ${layerTerrain.unsafeGetTile(x, y)}")
+            throw e
+        }
     }
 
     /**

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

@@ -55,9 +55,6 @@ internal object BlocksDrawer {
 
     //val tileItemWall = Image(TILE_SIZE * 16, TILE_SIZE * GameWorld.TILES_SUPPORTED / 16) // 4 MB
 
-
-    val wallOverlayColour = Color(5f / 9f, 5f / 9f, 5f / 9f, 1f)
-
     const val BREAKAGE_STEPS = 10
 
     val WALL = GameWorld.WALL
@@ -582,7 +579,7 @@ internal object BlocksDrawer {
         }
         val vertexColour = when (mode) {
             TERRAIN, WIRE, FLUID -> Color.WHITE
-            WALL -> wallOverlayColour
+            WALL -> CreateTileAtlas.wallOverlayColour
             else -> throw IllegalArgumentException()
         }
 

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

@@ -8,6 +8,7 @@ import com.badlogic.gdx.graphics.Texture
 import com.badlogic.gdx.utils.GdxRuntimeException
 import net.torvald.gdx.graphics.Cvec
 import net.torvald.terrarum.*
+import net.torvald.terrarum.AppLoader.printdbg
 import net.torvald.terrarum.blockproperties.Block
 import net.torvald.terrarum.blockproperties.BlockCodex
 import net.torvald.terrarum.blockproperties.Fluid
@@ -35,6 +36,8 @@ object CreateTileAtlas {
 
     private val TOTAL_TILES = TILES_IN_X * TILES_IN_X
 
+    val wallOverlayColour = Color(5f / 9f, 5f / 9f, 5f / 9f, 1f)
+
     lateinit var atlas: Pixmap
     lateinit var atlasAutumn: Pixmap
     lateinit var atlasWinter: Pixmap
@@ -61,7 +64,6 @@ object CreateTileAtlas {
     // 16 tiles are reserved for internal use: solid black, solid white, breakage stages.
     // 0th tile is complete transparent tile and is also a BlockID of zero: air.
     private var atlasCursor = 0
-    private var atlasCursorGlow = 0
     private val atlasInit = "./assets/graphics/blocks/init.tga"
     private var itemSheetCursor = 16
 
@@ -72,7 +74,6 @@ object CreateTileAtlas {
 
         tags = HashMap<ItemID, RenderTag>()
         itemSheetNumbers = HashMap<ItemID, Int>()
-        tags[Block.AIR] = RenderTag(0, RenderTag.CONNECT_SELF, RenderTag.MASK_NA)
 
         atlas = Pixmap(TILES_IN_X * TILE_SIZE, TILES_IN_X * TILE_SIZE, Pixmap.Format.RGBA8888)
         atlasAutumn = Pixmap(TILES_IN_X * TILE_SIZE, TILES_IN_X * TILE_SIZE, Pixmap.Format.RGBA8888)
@@ -160,7 +161,7 @@ object CreateTileAtlas {
         // darken things for the wall
         for (y in 0 until itemWallPixmap.height) {
             for (x in 0 until itemWallPixmap.width) {
-                val c = Color(itemWallPixmap.getPixel(x, y)).mulAndAssign(BlocksDrawer.wallOverlayColour).toRGBA()
+                val c = Color(itemWallPixmap.getPixel(x, y)).mulAndAssign(wallOverlayColour).toRGBA()
                 itemWallPixmap.drawPixel(x, y, c)
             }
         }
@@ -281,6 +282,8 @@ object CreateTileAtlas {
         }
 
         tags[id] = RenderTag(atlasCursor, connectionType, maskType)
+
+        printdbg(this, "tileName ${id} ->> tileNumber ${atlasCursor}")
     }
 
     private fun drawToAtlantes(pixmap: Pixmap, glow: Pixmap, tilesCount: Int) {