compartmentalised crafting recipes

crafting_mcl.lua

@@ -0,0 +1,28 @@
+
+local w = "group:wool"
+local b = "group:boat"
+local m = "mcl_core:iron_ingot"
+local s = "mcl_mobitems:string"
+minetest.register_craft({
+	output = "sum_airship:canvas_roll",
+	recipe = {
+		{w, w, w},
+		{w, w, w},
+		{w, w, w},
+	},
+})
+minetest.register_craft({
+	output = "sum_airship:hull",
+	recipe = {
+		{b, b, b},
+		{m, m, m},
+	},
+})
+minetest.register_craft({
+	output = "sum_airship:boat",
+	recipe = {
+		{"sum_airship:canvas_roll","sum_airship:canvas_roll","sum_airship:canvas_roll",},
+		{s, m, s,},
+		{s, "sum_airship:hull", s,},
+	},
+})

crafting_mtg.lua

@@ -0,0 +1,29 @@
+
+local w = "group:wool"
+if not minetest.get_modpath("farming") then w = "default:paper" end
+local b = "boats:boat"
+local m = "default:steel_ingot"
+local s = "farming:string"
+minetest.register_craft({
+	output = "sum_airship:canvas_roll",
+	recipe = {
+		{w, w, w},
+		{w, w, w},
+		{w, w, w},
+	},
+})
+minetest.register_craft({
+	output = "sum_airship:hull",
+	recipe = {
+		{b, b, b},
+		{m, m, m},
+	},
+})
+minetest.register_craft({
+	output = "sum_airship:boat",
+	recipe = {
+		{"sum_airship:canvas_roll","sum_airship:canvas_roll","sum_airship:canvas_roll",},
+		{s, m, s,},
+		{s, "sum_airship:hull", s,},
+	},
+})

crafting_rp.lua

@@ -0,0 +1,23 @@
+
+crafting.register_craft({
+	output = "sum_airship:canvas_roll",
+	items = {
+		"group:fuzzy 9"
+	}
+})
+crafting.register_craft({
+	output = "sum_airship:hull",
+	items = {
+		"group:boat 3",
+		"rp_default:ingot_steel 3"
+	}
+})
+crafting.register_craft({
+	output = "sum_airship:boat",
+	items = {
+		"sum_airship:canvas_roll 3",
+		"rp_default:ingot_steel 8",
+		"rp_default:ingot_steel",
+		"sum_airship:hull",
+	}
+})

crafts.lua

@@ -1,3 +1,5 @@
+local mod_name = minetest.get_current_modname()
+local mod_path = minetest.get_modpath(mod_name)
 local S = minetest.get_translator(minetest.get_current_modname())
 
 
@@ -16,74 +18,16 @@ minetest.register_craftitem("sum_airship:hull", {
 	groups = { craftitem = 1 },
 })
 
-
-local w = "group:wool"
-if not minetest.get_modpath("farming") then w = "default:paper" end
-local b = "boats:boat"
-local m = "default:steel_ingot"
-local s = "farming:string"
 if minetest.get_modpath("mcl_boats")
 and minetest.get_modpath("mcl_wool")
 and minetest.get_modpath("mcl_core")
 and minetest.get_modpath("mcl_mobitems") then
-	w = "group:wool"
+    dofile(mod_path .. "/crafting_mcl.lua")
-	b = "group:boat"
+elseif (minetest.get_modpath("rp_farming")
-	m = "mcl_core:iron_ingot"
+or minetest.get_modpath("rp_mobs_mobs"))
-	s = "mcl_mobitems:string"
+and minetest.get_modpath("rp_default")
+and minetest.get_modpath("rp_crafting") then
+    dofile(mod_path .. "/crafting_rp.lua")
+elseif minetest.get_modpath("default") then
+    dofile(mod_path .. "/crafting_mtg.lua")
 end
-local rp_fuzzy = minetest.get_modpath("rp_farming") or minetest.get_modpath("rp_mobs_mobs")
-if rp_fuzzy and minetest.get_modpath("rp_default") then
-	w = "group:fuzzy" -- cotton bale or wool bundle
-	b = "group:boat"
-	m = "rp_default:ingot_steel"
-	s = "rp_default:fiber"
-end
-
-if minetest.get_modpath("rp_crafting") then
-	crafting.register_craft({
-		output = "sum_airship:canvas_roll",
-		items = {
-			w.." 9"
-		}
-	})
-	crafting.register_craft({
-		output = "sum_airship:hull",
-		items = {
-			b.." 3",
-			m.." 3"
-		}
-	})
-	crafting.register_craft({
-		output = "sum_airship:boat",
-		items = {
-			"sum_airship:canvas_roll 3",
-			s.." 8",
-			m,
-			"sum_airship:hull",
-		}
-	})
-else
-	minetest.register_craft({
-		output = "sum_airship:canvas_roll",
-		recipe = {
-			{w, w, w},
-			{w, w, w},
-			{w, w, w},
-		},
-	})
-	minetest.register_craft({
-		output = "sum_airship:hull",
-		recipe = {
-			{b, b, b},
-			{m, m, m},
-		},
-	})
-	minetest.register_craft({
-		output = "sum_airship:boat",
-		recipe = {
-			{"sum_airship:canvas_roll","sum_airship:canvas_roll","sum_airship:canvas_roll",},
-			{s, m, s,},
-			{s, "sum_airship:hull", s,},
-		},
-	})
-end