global_exchange/digital_mailbox.lua
HybridDog 7fbd63a180 Cleanup code
e.g. do not use table.insert because it's slow
2016-03-05 12:52:32 +01:00

132 lines
2.8 KiB
Lua

local exchange = ...
local mailbox_form = "global_exchange:digital_mailbox"
local mailbox_contents = {}
local selected_index = {}
-- Map from player names to their most recent search result
local function get_mail(p_name)
local mail_maybe = mailbox_contents[p_name]
if mail_maybe then
return mail_maybe
else
mailbox_contents[p_name] = {}
return mailbox_contents[p_name]
end
end
local function mk_inbox_list(results, x, y, w, h)
local res = {
"textlist[",
tostring(x),
",",
tostring(y),
";",
tostring(w),
",",
tostring(h),
";result_list;"
}
for i, row in ipairs(results) do
res[i*2+8] = row.Amount .. " " .. row.Item
res[i*2+9] = ","
end
res[#res+1] = "]"
return table.concat(res)
end
local function mk_mail_fs(p_name, results, err_str)
fs = "size[6,8]" ..
"label[0,0;Inbox]"
if err_str then
fs = fs .. "label[3,0;Error: " .. err_str .. "]"
end
return fs .. mk_inbox_list(results, 0, 1, 6, 6) ..
"button[0,7;2,1;claim;Claim]"
end
local function show_mail(p_name, results, err_str)
minetest.show_formspec(p_name, mailbox_form, mk_mail_fs(p_name, results, err_str))
end
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname ~= mailbox_form then return end
if fields.quit then return true end
local p_name = player:get_player_name()
local idx = selected_index[p_name]
if fields.claim
and idx then
local row = get_mail(p_name)[idx]
if row then
local stack = ItemStack(row.Item)
stack:set_count(row.Amount)
local p_inv = player:get_inventory()
if not p_inv:room_for_item("main", stack) then
show_mail(p_name, get_mail(p_name), "Not enough room.")
return true
end
local succ, res = exchange:take_inbox(row.Id, row.Amount)
if not succ then
show_mail(p_name, get_mail(p_name), res)
end
stack:set_count(res)
p_inv:add_item("main", stack)
table.remove(get_mail(p_name), idx)
show_mail(p_name, get_mail(p_name))
end
end
if fields.result_list then
local event = minetest.explode_textlist_event(fields.result_list)
if event.type == "CHG" then
selected_index[p_name] = event.index
end
end
return true
end)
minetest.register_node("global_exchange:mailbox", {
description = "Digital Mailbox",
tiles = {"global_exchange_atm_top.png",
"global_exchange_atm_top.png",
"global_exchange_mailbox_side.png",
},
groups = {cracky=2},
on_rightclick = function(pos, node, clicker)
local p_name = clicker:get_player_name()
local _,res = exchange:view_inbox(p_name)
mailbox_contents[p_name] = res
minetest.show_formspec(p_name, mailbox_form, mk_mail_fs(p_name, res))
end,
})
minetest.register_craft( {
output = "global_exchange:mailbox",
recipe = {
{ "default:stone", "default:gold_ingot", "default:stone" },
{ "default:stone", "default:chest", "default:stone" },
{ "default:stone", "default:stone", "default:stone" },
}
})