Add new group: not_in_craft_guide

API.md

@@ -5,6 +5,11 @@ This document is a WORK IN PROGRESS. Currently, it only contains some informatio
 ## Groups
 This section explains all the used groups in this subgame.
 
+### Special groups
+
+* `not_in_creative_inventory=1`: Item will not be shown in creative inventory
+* `not_in_craft_guide=1`: Item will not be shown as result or fuel item in crafting guide (but still may be shown as ingredient)
+
 ### Groups for interactions
 
 * `dig_by_water=1`: Blocks with this group will drop when they are near flowing water
@@ -17,7 +22,7 @@ This section explains all the used groups in this subgame.
 * `soil_sugarcane=1`: Sugar canes will grow on this near water
 * `disable_suffocation=1`: Disables suffocation for full solid cubes (1)
 
-### Footnotes
+#### Footnotes
 
 1. Normally, all walkable blocks with the default 1×1×1 cube as a collision box (e.g. sand,
    gravel, stone, but not fences) will damage the players while their head is inside. This

mods/mcl_craftguide/init.lua

@@ -300,7 +300,8 @@ function craftguide:get_init_items()
 	local items_list, counter = {}, 0
 	for name, def in pairs(reg_items) do
 		local is_fuel = get_fueltime(name) > 0
-		if (get_recipe(name).items or is_fuel)
+		if (not def.groups.not_in_craft_guide or def.groups.not_in_raft_guide == 0)
+				and (get_recipe(name).items or is_fuel)
 				and def.description and def.description ~= "" then
 			counter = counter + 1
 			items_list[counter] = name

mods/mcstair/init.lua

@@ -194,7 +194,9 @@ function mcstair.add(name, stairtiles)
 	outer_groups.not_in_creative_inventory = 1
 	local inner_groups = table.copy(outer_groups)
 	outer_groups.stair = 2
+	outer_groups.not_in_craft_guide = 1
 	inner_groups.stair = 3
+	inner_groups.not_in_craft_guide = 1
 	local drop = node_def.drop or name
 	local after_dig_node = function(pos, oldnode)
 		local param = get_stair_param(oldnode)