working very crude fluid sim

src/net/torvald/terrarum/blockproperties/Block.kt

@@ -115,7 +115,9 @@ object Block {
     val SUNSTONE = 257
     val DAYLIGHT_CAPACITOR = 258
 
-    val FLUID_MARKER = 4095
+
+    val LAVA = 4094
+    val WATER = 4095
 
     val NULL = -1
 }

src/net/torvald/terrarum/blockproperties/BlockCodex.kt

@@ -108,7 +108,7 @@ object BlockCodex {
         prop.friction = intVal(record, "friction")
         prop.viscosity = intVal(record, "vscs")
 
-        prop.isFluid = boolVal(record, "fluid")
+        prop.isFluid = Fluid.isThisTileFluid(prop.id)//boolVal(record, "fluid")
         prop.isSolid = boolVal(record, "solid")
         prop.isClear = boolVal(record, "clear")
         prop.isWallable = boolVal(record, "wall")

src/net/torvald/terrarum/blockproperties/Fluid.kt

@@ -1,6 +1,7 @@
 package net.torvald.terrarum.blockproperties
 
 import net.torvald.terrarum.gameworld.FluidType
+import net.torvald.terrarum.gameworld.GameWorld
 
 /**
  * Created by minjaesong on 2016-08-06.
@@ -12,4 +13,8 @@ object Fluid {
     val WATER = FluidType(1)
     val STATIC_WATER = FluidType(-1)
 
+
+    fun getFluidTileFrom(type: FluidType) = GameWorld.TILES_SUPPORTED - type.abs()
+    private val fluidTilesRange = 4094..4095
+    fun isThisTileFluid(tileid: Int) = tileid in fluidTilesRange
 }