Add free_rotation

API.md

@@ -44,6 +44,8 @@ This also registers two crafting recipes of this shape
     Default: 1st texture of the original block.
 * `no_craft`: Optional. If `true`, no crafting recipes are registered.
     Default: `false`
+* `free_rotation`: Optional: If `true`, rotation by screwdriver is unrestricted.
+    Default: Rotation is restricted to 3 axes
 
 ### Return value
 

init.lua

@@ -37,7 +37,7 @@ end
 
 -- Shifted blocks
 
-shifted_blocks.register_shifted_block = function(itemstring, original_block, description, side_texture, help, block_texture, no_craft)
+shifted_blocks.register_shifted_block = function(itemstring, original_block, description, side_texture, help, block_texture, no_craft, free_rotation)
 	local stone = side_texture or minetest.registered_nodes[original_block].tiles[1]
 	local normal = block_texture or minetest.registered_nodes[original_block].tiles[1]
 
@@ -52,13 +52,20 @@ shifted_blocks.register_shifted_block = function(itemstring, original_block, des
 		help = nil
 	end
 
+	local rotate = on_rotate
+	local place_param2 = 0
+	if free_rotation then
+		rotate = nil
+		place_param2 = nil
+	end
+
 	minetest.register_node(itemstring, {
 		description = description,
 		_doc_items_longdesc = help,
-		on_rotate = on_rotate,
+		on_rotate = rotate,
 		paramtype2 = "facedir",
 		-- TODO: Place node according to view direction (restrict param2 to 0 or 3)
-		place_param2 = 0,
+		place_param2 = place_param2,
 		tiles = {combine, combine, stone, stone, combine.."^[transformFX", combine},
 		is_ground_content = false,
 		groups = minetest.registered_nodes[original_block].groups,