Code cleanup, change arrow texture

init.lua

@@ -38,14 +38,16 @@ end
 
 function craftguide:get_tooltip(item, recipe_type, cooktime, groups)
 	local tooltip = "tooltip["..item..";"
-	local fueltime = minetest.get_craft_result({method="fuel", width=1, items={item}}).time
+	local fueltime = minetest.get_craft_result({
+		method="fuel", width=1, items={item}}).time
 	local has_extras = groups or recipe_type == "cooking" or fueltime > 0
 	local item_desc = groups and "" or minetest.registered_items[item].description
 
 	if groups then
 		local groupstr = "Any item belonging to the "
 		for i=1, #groups do
-			groupstr = groupstr..colorize(groups[i])..(groups[i+1] and " and " or "")
+			groupstr = groupstr..colorize(groups[i])..
+				(groups[i+1] and " and " or "")
 		end
 		tooltip = tooltip..groupstr.." group(s)"
 	end
@@ -59,50 +61,10 @@ function craftguide:get_tooltip(item, recipe_type, cooktime, groups)
 	return has_extras and tooltip.."]" or ""
 end
 
-function craftguide:get_formspec(player_name)
-	local data = datas[player_name]
-	data.pagenum = max(1, data.pagenum or 1)
-	data.pagemax = max(1, data.pagemax or 1)
-
-	local formspec = [[ size[8,6.6;]
-			button[2.5,0.2;0.8,0.5;search;?]
-			button[3.2,0.2;0.8,0.5;clear;X]
-			tooltip[search;Search]
-			tooltip[clear;Reset]
-			field_close_on_enter[craftguide_filter, false]
-			button[5.4,0;0.8,0.95;prev;<] ]]..
-			"label[6.1,0.18;"..colorize(data.pagenum).." / "..data.pagemax.."]"..
-			"button[7.2,0;0.8,0.95;next;>]"..
-			"field[0.3,0.32;2.6,1;craftguide_filter;;"..
-				minetest.formspec_escape(data.filter).."]"..
-			default.gui_bg..default.gui_bg_img
-
-	if not next(data.items) then
-		formspec = formspec.."label[2.9,2;No item to show]"
-	end
-
-	local first_item = (data.pagenum - 1) * npp
-	for i = first_item, first_item + npp - 1 do
-		local name = data.items[i+1]
-		if not name then break end
-		local X = i % 8
-		local Y = ((i % npp - X) / 8) + 1
-
-		formspec = formspec.."item_image_button["..X..","..Y..";1,1;"..name..";"..name..";]"
-	end
-
-	if data.item and minetest.registered_items[data.item] then
+function craftguide:get_recipe(player_name, data, tooltip_l)
+	local formspec = ""
 	local recipes = minetest.get_all_craft_recipes(data.item)
-		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
@@ -119,8 +81,8 @@ function craftguide:get_formspec(player_name)
 	end
 
 	local recipe_type = recipes[data.recipe_num].type
-			if recipe_type == "cooking" then
-				formspec = formspec.."image[3.75,4.6;0.5,0.5;default_furnace_front.png]"
+	if recipe_type == "cooking" then formspec = formspec..
+		"image[3.75,4.5;0.5,0.5;default_furnace_front.png]"
 	end
 
 	local items = recipes[data.recipe_num].items
@@ -143,9 +105,58 @@ 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]
+	return formspec..[[
+		image[3.5,5.12;0.9,0.7;craftguide_arrow.png]
 		item_image_button[2.5,5;1,1;]]..output..";"..data.item..";]"..tooltip_l
+end
+
+function craftguide:get_formspec(player_name)
+	local data = datas[player_name]
+	data.pagenum = max(1, data.pagenum or 1)
+	data.pagemax = max(1, data.pagemax or 1)
+
+	local formspec = [[ size[8,6.6;]
+			button[2.5,0.2;0.8,0.5;search;?]
+			button[3.2,0.2;0.8,0.5;clear;X]
+			tooltip[search;Search]
+			tooltip[clear;Reset]
+			field_close_on_enter[craftguide_filter, false]
+			button[5.4,0;0.8,0.95;prev;<] ]]..
+			"label[6.1,0.18;"..
+				colorize(data.pagenum).." / "..data.pagemax.."]"..
+			"button[7.2,0;0.8,0.95;next;>]"..
+			"field[0.3,0.32;2.6,1;craftguide_filter;;"..
+				minetest.formspec_escape(data.filter).."]"..
+			default.gui_bg..default.gui_bg_img
+
+	if not next(data.items) then
+		formspec = formspec.."label[2.9,2;No item to show]"
+	end
+
+	local first_item = (data.pagenum - 1) * npp
+	for i = first_item, first_item + npp - 1 do
+		local name = data.items[i+1]
+		if not name then break end
+		local X = i % 8
+		local Y = ((i % npp - X) / 8) + 1
+
+		formspec = formspec.."item_image_button["..X..","..Y..";1,1;"..
+				      name..";"..name..";]"
+	end
+
+	if data.item and minetest.registered_items[data.item] then
+		local is_fuel_only = minetest.get_craft_result({
+			method="fuel", width=1, items={data.item}}).time > 0
+		local tooltip = self:get_tooltip(data.item)
+
+		if is_fuel_only and not minetest.get_craft_recipe(data.item).items then
+			formspec = formspec..[[
+				image[3.5,5.12;0.9,0.7;craftguide_arrow.png]
+				item_image_button[4.5,5;1,1;]]..
+					data.item..";"..data.item..";]"..
+				tooltip.."image[2.5,5;1,1;craftguide_none.png]"
+		else
+			formspec = formspec..self:get_recipe(player_name, data, tooltip)
 		end
 	end
 
@@ -229,7 +240,8 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		 	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)
+				local _, has_item =
+					craftguide:recipe_in_inv(player_name, item)
 				if not has_item then return end
 			end
 			data.item = item
@@ -254,7 +266,8 @@ minetest.register_craftitem("craftguide:book", {
 			craftguide:get_items(player_name)
 			craftguide:get_formspec(player_name)
 		else
-			minetest.show_formspec(player_name, "craftguide:book", datas[player_name].formspec)
+			minetest.show_formspec(player_name, "craftguide:book",
+					       datas[player_name].formspec)
 		end
 	end
 })