Show burnable items in main list and...

show more infos in tooltip for output item

init.lua

@@ -93,8 +93,16 @@ function craftguide:get_formspec(player_name)
 
 	if data.item and minetest.registered_items[data.item] then
 		local recipes = minetest.get_all_craft_recipes(data.item)
-		data.recipe_num = data.recipe_num or 1
+		local is_fuel_only = minetest.get_craft_result({
+			method="fuel", width=1, items={data.item}}).time
+		local tooltip_l = self:get_tooltip(data.item)
 
+		if is_fuel_only and not recipes then
+			formspec = formspec..
+				"image[3.5,5;1,1;gui_furnace_arrow_bg.png^[transformR270]"..
+				"item_image_button[2.5,5;1,1;"..data.item..";"..data.item..";]"..
+				tooltip_l.."image[4.5,5;1,1;craftguide_none.png]"
+		else
 			if progressive_mode then
 				local T = self:recipe_in_inv(player_name, data.item)
 				for i=#T, 1, -1 do
@@ -102,9 +110,11 @@ function craftguide:get_formspec(player_name)
 				end
 			end
 
+			data.recipe_num = data.recipe_num or 1
 			if data.recipe_num > #recipes then data.recipe_num = 1 end
-		if #recipes > 1 then formspec = formspec..
-			[[ button[0,6;2,1;alternate;Alternate]
+
+			if #recipes > 1 then formspec = formspec..[[
+				button[0,6;2,1;alternate;Alternate]
 				label[0,5.5;Recipe ]]..data.recipe_num.." of "..#recipes.."]"
 			end
 
@@ -133,8 +143,10 @@ function craftguide:get_formspec(player_name)
 			end
 
 			local output = recipes[data.recipe_num].output
-		formspec = formspec..[[ image[3.5,5;1,1;gui_furnace_arrow_bg.png^[transformR90]
-					item_image_button[2.5,5;1,1;]]..output..";"..data.item..";]"
+			formspec = formspec..[[
+				image[3.5,5;1,1;gui_furnace_arrow_bg.png^[transformR90]
+				item_image_button[2.5,5;1,1;]]..output..";"..data.item..";]"..tooltip_l
+		end
 	end
 
 	data.formspec = formspec
@@ -142,9 +154,7 @@ function craftguide:get_formspec(player_name)
 end
 
 local function has_item(T)
-	for i=1, #T do
-		if T[i] then return true end
-	end
+	for i=1, #T do if T[i] then return true end end
 end
 
 function craftguide:recipe_in_inv(player_name, item_name)
@@ -167,8 +177,10 @@ end
 function craftguide:get_items(player_name)
 	local items_list, data = {}, datas[player_name]
 	for name, def in pairs(minetest.registered_items) do
+		local is_fuel_only = minetest.get_craft_result({
+			method="fuel", width=1, items={name}}).time > 0
 		if not (def.groups.not_in_creative_inventory == 1) and
-			minetest.get_craft_recipe(name).items	   and
+		       (minetest.get_craft_recipe(name).items or is_fuel_only) and
 			def.description and def.description ~= "" and
 		       (def.name:find(data.filter, 1, true) or
 			def.description:lower():find(data.filter, 1, true)) then
@@ -213,7 +225,9 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		elseif data.pagenum == 0           then data.pagenum = data.pagemax end
 		craftguide:get_formspec(player_name)
 	else for item in pairs(fields) do
-		 if minetest.get_craft_recipe(item).items then
+		 local is_fuel = minetest.get_craft_result({
+		 	method="fuel", width=1, items={item}}).time > 0
+		 if minetest.get_craft_recipe(item).items or is_fuel then
 			if progressive_mode then
 				local _, has_item = craftguide:recipe_in_inv(player_name, item)
 				if not has_item then return end
@@ -228,8 +242,8 @@ end)
 
 minetest.register_craftitem("craftguide:book", {
 	description = "Crafting Guide",
-	inventory_image = "crafting_guide.png",
-	wield_image = "crafting_guide.png",
+	inventory_image = "craftguide_book.png",
+	wield_image = "craftguide_book.png",
 	stack_max = 1,
 	groups = {book=1},
 	on_use = function(itemstack, user)