up3

server/block/grindstone_attachment.go

@@ -0,0 +1,46 @@
+package block
+
+// GrindstoneAttachment represents a type of attachment for a Grindstone.
+type GrindstoneAttachment struct {
+	grindstoneAttachment
+}
+
+// StandingGrindstoneAttachment is a type of attachment for a standing Grindstone.
+func StandingGrindstoneAttachment() GrindstoneAttachment {
+	return GrindstoneAttachment{0}
+}
+
+// HangingGrindstoneAttachment is a type of attachment for a hanging Grindstone.
+func HangingGrindstoneAttachment() GrindstoneAttachment {
+	return GrindstoneAttachment{1}
+}
+
+// WallGrindstoneAttachment is a type of attachment for a wall Grindstone.
+func WallGrindstoneAttachment() GrindstoneAttachment {
+	return GrindstoneAttachment{2}
+}
+
+// GrindstoneAttachments returns all possible GrindstoneAttachments.
+func GrindstoneAttachments() []GrindstoneAttachment {
+	return []GrindstoneAttachment{StandingGrindstoneAttachment(), HangingGrindstoneAttachment(), WallGrindstoneAttachment()}
+}
+
+type grindstoneAttachment uint8
+
+// Uint8 returns the GrindstoneAttachment as a uint8.
+func (g grindstoneAttachment) Uint8() uint8 {
+	return uint8(g)
+}
+
+// String returns the GrindstoneAttachment as a string.
+func (g grindstoneAttachment) String() string {
+	switch g {
+	case 0:
+		return "standing"
+	case 1:
+		return "hanging"
+	case 2:
+		return "side"
+	}
+	panic("should never happen")
+}