src/onload/shop.lua

   1 function skycraft.sell(player, item, money)
   2         local inv = player:get_inventory()
   3         if not inv:contains_item("main", item) then return minetest.chat_send_player(player:get_player_name(), "You don't have enough items!") end
   4         inv:remove_item("main", item)
   5         skycraft.give_money(player, money)
   6 end
   7
   8 function skycraft.buy(player, item, money)
   9         local inv = player:get_inventory()
  10         if not inv:room_for_item("main", item) then return minetest.chat_send_player(player:get_player_name(), "You don't have enough space in your inventory!") end
  11         if not skycraft.take_money(player, money) then return end
  12         inv:add_item("main", item)
  13 end
  14
  15 for nodename, nodedef in pairs(minetest.registered_nodes) do
  16         if nodename:find("mcl_signs:") then
  17                 minetest.override_item(nodename, {
  18                         on_rightclick = function(pos, node, player, itemstack, pointed_thing)
  19                                 if pos.y < 5000 then return end
  20                                 local text = minetest.get_meta(pos):get_string("text") or ""
  21                                 local lines = text:split("\n")
  22                                 local action, amount, price = lines[1], lines[2], lines[3]
  23                                 print(action, amount, price)
  24                                 if not (action and amount and price) then return end
  25                                 price = string.gsub(price, "%$", "")
  26                                 price = tonumber(price)
  27                                 amount = string.gsub(amount, "x", "")
  28                                 amount = tonumber(amount)
  29                                 print(action, amount, price)
  30                                 if not (amount and price) then return end
  31                                 local func, frameoffset
  32                                 if action == "Buy" then
  33                                         func, frameoffset = skycraft.buy, -1
  34                                 elseif action == "Sell" then
  35                                         func, frameoffset = skycraft.sell, 1
  36                                 else
  37                                         return
  38                                 end
  39                                 local framepos = vector.add(pos, {x = 0, y = frameoffset, z = 0})
  40                                 if minetest.get_node(framepos).name ~= "mcl_itemframes:item_frame" then return end
  41                                 local inv = minetest.get_meta(framepos):get_inventory()
  42                                 if inv:is_empty("main") then return end
  43                                 local itemstack = inv:get_stack("main", 1)
  44                                 func(player, itemstack:get_name() .. " " .. tostring(amount), price)
  45                         end,
  46                 })
  47         end
  48 end
  49