removed FLUID prop from the blocks

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

@@ -0,0 +1,48 @@
+package net.torvald.terrarum.gameworld
+
+import com.badlogic.gdx.graphics.Color
+import net.torvald.terrarum.blockproperties.Block
+import net.torvald.terrarum.blockproperties.BlockCodex
+import net.torvald.terrarum.blockproperties.BlockPropUtil
+
+/**
+ * Created by minjaesong on 2018-12-29.
+ */
+class FluidProp {
+
+    var density: Int = 0
+
+    var dynamicLuminosityFunction: Int = 0
+
+    /** 1.0f for 1023, 0.25f for 255 */
+    var shadeColR = 0f
+    var shadeColG = 0f
+    var shadeColB = 0f
+    var shadeColA = 0f
+
+    /** 1.0f for 1023, 0.25f for 255 */
+    var lumColR = 0f
+    var lumColG = 0f
+    var lumColB = 0f
+    var lumColA = 0f
+
+    inline val opacity: Color
+        get() = Color(shadeColR, shadeColG, shadeColB, shadeColA)
+
+    inline val luminosity: Color
+        get() = BlockPropUtil.getDynamicLumFunc(Color(lumColR, lumColG, lumColB, lumColA), dynamicLuminosityFunction)
+
+
+    companion object {
+        fun getNullProp(): FluidProp {
+            val p = FluidProp()
+
+            p.shadeColR = BlockCodex[Block.AIR].shadeColR
+            p.shadeColG = BlockCodex[Block.AIR].shadeColG
+            p.shadeColB = BlockCodex[Block.AIR].shadeColB
+            p.shadeColA = BlockCodex[Block.AIR].shadeColA
+
+            return p
+        }
+    }
+}