All block states' properties are parsed and all enums represented as byte

level/block/properties.go

@@ -1,14 +1,8 @@
 package block
 
-import (
-	"strconv"
-)
+import "strconv"
 
-type (
-	Boolean   bool
-	Direction string
-	Integer   int
-)
+type Boolean bool
 
 func (b Boolean) MarshalText() (text []byte, err error) {
 	return []byte(strconv.FormatBool(bool(b))), nil
@@ -19,14 +13,7 @@ func (b *Boolean) UnmarshalText(text []byte) (err error) {
 	return
 }
 
-func (d Direction) MarshalText() (text []byte, err error) {
-	return []byte(d), nil
-}
-
-func (d *Direction) UnmarshalText(text []byte) error {
-	*d = Direction(text)
-	return nil
-}
+type Integer int
 
 func (i Integer) MarshalText() (text []byte, err error) {
 	return []byte(strconv.Itoa(int(i))), nil
@@ -36,3 +23,34 @@ func (i *Integer) UnmarshalText(text []byte) (err error) {
 	*((*int)(i)), err = strconv.Atoi(string(text))
 	return
 }
+
+func (f FrontAndTop) Directions() (front, top Direction) {
+	switch f {
+	case DownEast:
+		return Down, East
+	case DownNorth:
+		return Down, North
+	case DownSouth:
+		return Down, South
+	case DownWest:
+		return Down, West
+	case UpEast:
+		return Up, East
+	case UpNorth:
+		return Up, North
+	case UpSouth:
+		return Up, South
+	case UpWest:
+		return Up, West
+	case WestUp:
+		return West, Up
+	case EastUp:
+		return East, Up
+	case NorthUp:
+		return North, Up
+	case SouthUp:
+		return South, Up
+	default:
+		panic("invalid FrontAndTop")
+	}
+}