minor issue

code/game/objects/items/stacks/sheets/sheet_types.dm

@@ -808,7 +808,7 @@ GLOBAL_LIST_INIT(plastic_recipes, list(
 	new /datum/stack_recipe("water bottle", /obj/item/reagent_containers/glass/beaker/waterbottle/empty), \
 	new /datum/stack_recipe("large water bottle", /obj/item/reagent_containers/glass/beaker/waterbottle/large/empty,3), \
 	new /datum/stack_recipe("shower curtain", /obj/structure/curtain, 10, time = 10, one_per_turf = 1, on_floor = 1), \
-	new /datum/stack_recipe("duct", /obj/item/stack/ducts, 1, 1, 20), \
+	new /datum/stack_recipe("duct", /obj/item/stack/ducts, 1, 5, 50), \
 	new /datum/stack_recipe("laser pointer case", /obj/item/glasswork/glass_base/laserpointer_shell, 30), \
 	new /datum/stack_recipe("wet floor sign", /obj/item/clothing/suit/caution, 2)))
 

code/game/objects/items/stacks/stack.dm

@@ -514,44 +514,3 @@
 /obj/item/stack/microwave_act(obj/machinery/microwave/M)
 	if(istype(M) && M.dirty < 100)
 		M.dirty += amount
-
-/*
- * Recipe datum
- */
-/datum/stack_recipe
-	var/title = "ERROR"
-	var/result_type
-	var/req_amount = 1
-	var/res_amount = 1
-	var/max_res_amount = 1
-	var/time = 0
-	var/one_per_turf = FALSE
-	var/on_floor = FALSE
-	var/placement_checks = FALSE
-	var/applies_mats = FALSE
-	var/trait_booster = null
-	var/trait_modifier = 1
-
-/datum/stack_recipe/New(title, result_type, req_amount = 1, res_amount = 1, max_res_amount = 1,time = 0, one_per_turf = FALSE, on_floor = FALSE, window_checks = FALSE, placement_checks = FALSE, applies_mats = FALSE, trait_booster = null, trait_modifier = 1)
-	src.title = title
-	src.result_type = result_type
-	src.req_amount = req_amount
-	src.res_amount = res_amount
-	src.max_res_amount = max_res_amount
-	src.time = time
-	src.one_per_turf = one_per_turf
-	src.on_floor = on_floor
-	src.placement_checks = placement_checks
-	src.applies_mats = applies_mats
-	src.trait_booster = trait_booster
-	src.trait_modifier = trait_modifier
-/*
- * Recipe list datum
- */
-/datum/stack_recipe_list
-	var/title = "ERROR"
-	var/list/recipes
-
-/datum/stack_recipe_list/New(title, recipes)
-	src.title = title
-	src.recipes = recipes

code/game/objects/items/stacks/stack_recipe.dm

@@ -0,0 +1,69 @@
+
+/*
+ * Recipe datum
+ */
+/datum/stack_recipe
+	/// The title of the recipe
+	var/title = "ERROR"
+	/// What atom the recipe makes, typepath
+	var/atom/result_type
+	/// Amount of stack required to make
+	var/req_amount = 1
+	/// Amount of resulting atoms made
+	var/res_amount = 1
+	/// Max amount of resulting atoms made
+	var/max_res_amount = 1
+	/// How long it takes to make
+	var/time = 0
+	/// If only one of the resulting atom is allowed per turf
+	var/one_per_turf = FALSE
+	/// If the atom requires a floor below
+	var/on_floor = FALSE
+	/// Bitflag of additional placement checks required to place. (STACK_CHECK_CARDINALS|STACK_CHECK_ADJACENT)
+	var/placement_checks = NONE
+	/// If TRUE, the created atom will gain custom mat datums
+	var/applies_mats = FALSE
+	/// What trait, if any, boosts the construction speed of this item
+	var/trait_booster
+	/// How much the trait above, if supplied, boosts the construct speed of this item
+	var/trait_modifier = 1
+
+/datum/stack_recipe/New(
+	title,
+	result_type,
+	req_amount = 1,
+	res_amount = 1,
+	max_res_amount = 1,
+	time = 0,
+	one_per_turf = FALSE,
+	on_floor = FALSE,
+	window_checks = FALSE,
+	placement_checks = NONE,
+	applies_mats = FALSE,
+	trait_booster,
+	trait_modifier = 1,
+)
+
+	src.title = title
+	src.result_type = result_type
+	src.req_amount = req_amount
+	src.res_amount = res_amount
+	src.max_res_amount = max_res_amount
+	src.time = time
+	src.one_per_turf = one_per_turf
+	src.on_floor = on_floor
+	src.placement_checks = placement_checks
+	src.applies_mats = applies_mats
+	src.trait_booster = trait_booster
+	src.trait_modifier = trait_modifier
+
+/*
+ * Recipe list datum
+ */
+/datum/stack_recipe_list
+	var/title = "ERROR"
+	var/list/recipes
+
+/datum/stack_recipe_list/New(title, recipes)
+	src.title = title
+	src.recipes = recipes

tgstation.dme

@@ -1305,6 +1305,7 @@
 #include "code\game\objects\items\stacks\medical.dm"
 #include "code\game\objects\items\stacks\rods.dm"
 #include "code\game\objects\items\stacks\stack.dm"
+#include "code\game\objects\items\stacks\stack_recipe.dm"
 #include "code\game\objects\items\stacks\tape.dm"
 #include "code\game\objects\items\stacks\telecrystal.dm"
 #include "code\game\objects\items\stacks\tickets.dm"