Display recipe and validate input

1 files changed, 43 insertions, 2 deletions

diff --git a/roadsigns/workshop.lua b/roadsigns/workshop.lua
index 939c570..283d2b4 100644
--- a/roadsigns/workshop.lua
+++ b/roadsigns/workshop.lua
@@ -28,6 +28,11 @@ minetest.register_node(":streets:signworkshop",{
 		inv:set_size("streets:signworkshop_input",4*1)
 		inv:set_size("streets:signworkshop_select",1*1)
 		inv:set_size("streets:signworkshop_output",1*1)
+		-- Fill
+		inv:add_item("streets:signworkshop_list","streets:sign_blank")
+		inv:add_item("streets:signworkshop_list","streets:sign_lava")
+		inv:add_item("streets:signworkshop_list","streets:sign_water")
+		inv:add_item("streets:signworkshop_list","streets:sign_construction")
 	end,
 	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
 		if listname ~= "streets:signworkshop_input" then
@@ -37,8 +42,22 @@ minetest.register_node(":streets:signworkshop",{
 		end
 	end,
 	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+		-- Move items inside input slots
 		if to_list == "streets:signworkshop_input" and from_list == "streets:signworkshop_input" then
 			return 1
+		-- List -> selection
+		elseif from_list == "streets:signworkshop_list" and to_list == "streets:signworkshop_select" then
+			local inv = minetest.get_meta(pos):get_inventory()
+			local selected = inv:get_stack("streets:signworkshop_list",from_index):to_table()
+			local need = minetest.registered_nodes[selected.name].streets.signworkshop.recipe
+			inv:set_list("streets:signworkshop_recipe",{need[1],need[2],need[3],need[4]})
+			return 1
+		-- selection -> list
+		elseif from_list == "streets:signworkshop_select" and to_list == "streets:signworkshop_list" then
+			local inv = minetest.get_meta(pos):get_inventory()
+			inv:set_list("streets:signworkshop_recipe",{"","","",""})
+			return 1
+		-- Every other case
 		else
 			return 0
 		end
@@ -53,8 +72,30 @@ minetest.register_node(":streets:signworkshop",{
 	on_receive_fields = function(pos, formname, fields, sender)
 		local inv = minetest.get_inventory({type = "node", pos = pos})
 		--
-		if inv:is_emtpy("streets:signworkshop_input") ~= true then
-		
+		if inv:is_empty("streets:signworkshop_input") ~= true and inv:is_empty("streets:signworkshop_select") ~= true then
+			local selection = inv:get_stack("streets:signworkshop_select",1):get_name()
+			local def = minetest.registered_nodes[selection].streets.signworkshop
+			local need = inv:get_list("streets:signworkshop_recipe")
+			local has = inv:get_list("streets:signworkshop_input")
+			need[1] = need[1]:to_table()
+			need[2] = need[2]:to_table()
+			need[3] = need[3]:to_table()
+			need[4] = need[4]:to_table()
+			has[1] = has[1]:to_table()
+			has[2] = has[2]:to_table()
+			has[3] = has[3]:to_table()
+			has[4] = has[4]:to_table()
+			if need[1] == nil then need[1] = { name = "" } end
+			if need[2] == nil then need[2] = { name = "" } end
+			if need[3] == nil then need[3] = { name = "" } end
+			if need[4] == nil then need[4] = { name = "" } end
+			if has[1] == nil then has[1] = { name = "" } end
+			if has[2] == nil then has[2] = { name = "" } end
+			if has[3] == nil then has[3] = { name = "" } end
+			if has[4] == nil then has[4] = { name = "" } end
+			if need[1].name == has[1].name and need[2].name == has[2].name and need[3].name == has[3].name and need[4].name == has[4].name then
+				minetest.chat_send_all("yay")
+			end
 		end
 	end
 })
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