currency/barter.lua
SwissalpS 2d7d2dd206 allow table to reset itself
some don't know how to work the barter table, others block it intentionally.
Having the table expire and reset after certain time, solves that issue.
2020-02-14 02:25:45 +00:00

207 lines
6.9 KiB
Lua

barter = {}
-- internationalization boilerplate
local MP = minetest.get_modpath(minetest.get_current_modname())
local S, NS = dofile(MP.."/intllib.lua")
barter.chest = {}
barter.chest.expire_after = tonumber(minetest.settings:get('barter.chest.expireafter')) or 15 * 60
barter.chest.formspec = {
main = "size[8,9]"..
"list[current_name;pl1;0,0;3,4;]"..
"list[current_name;pl2;5,0;3,4;]"..
"list[current_player;main;0,5;8,4;]",
pl1 = {
start = "button[3,1;1,1;pl1_start;" .. S("Start") .. "]",
player = function(name) return "label[3,0;"..name.."]" end,
accept1 = "button[3,1;1,1;pl1_accept1;" .. S("Confirm") .. "]"..
"button[3,2;1,1;pl1_cancel;" .. S("Cancel") .. "]",
accept2 = "button[3,1;1,1;pl1_accept2;" .. S("Exchange") .. "]"..
"button[3,2;1,1;pl1_cancel;" .. S("Cancel") .. "]",
},
pl2 = {
start = "button[4,1;1,1;pl2_start;" .. S("Start") .. "]",
player = function(name) return "label[4,0;"..name.."]" end,
accept1 = "button[4,1;1,1;pl2_accept1;" .. S("Confirm") .. "]"..
"button[4,2;1,1;pl2_cancel;" .. S("Cancel") .. "]",
accept2 = "button[4,1;1,1;pl2_accept2;" .. S("Exchange") .. "]"..
"button[4,2;1,1;pl2_cancel;" .. S("Cancel") .. "]",
},
}
barter.chest.check_privilege = function(listname,playername,meta)
if listname == "pl1" then
if playername ~= meta:get_string("pl1") then
return false
elseif meta:get_int("pl1step") ~= 1 then
return false
end
end
if listname == "pl2" then
if playername ~= meta:get_string("pl2") then
return false
elseif meta:get_int("pl2step") ~= 1 then
return false
end
end
return true
end
barter.chest.update_formspec = function(meta)
formspec = barter.chest.formspec.main
pl_formspec = function (n)
if meta:get_int(n.."step")==0 then
formspec = formspec .. barter.chest.formspec[n].start
else
formspec = formspec .. barter.chest.formspec[n].player(meta:get_string(n))
if meta:get_int(n.."step") == 1 then
formspec = formspec .. barter.chest.formspec[n].accept1
elseif meta:get_int(n.."step") == 2 then
formspec = formspec .. barter.chest.formspec[n].accept2
end
end
end
pl_formspec("pl1") pl_formspec("pl2")
meta:set_string("formspec",formspec)
end
barter.chest.give_inventory = function(inv,list,playername)
player = minetest.get_player_by_name(playername)
if player then
for k,v in ipairs(inv:get_list(list)) do
player:get_inventory():add_item("main",v)
inv:remove_item(list,v)
end
end
end
barter.chest.cancel = function(meta)
barter.chest.give_inventory(meta:get_inventory(),"pl1",meta:get_string("pl1"))
barter.chest.give_inventory(meta:get_inventory(),"pl2",meta:get_string("pl2"))
meta:set_string("pl1","")
meta:set_string("pl2","")
meta:set_int("pl1step",0)
meta:set_int("pl2step",0)
meta:set_int("clean",1)
meta:set_int("timer",0)
end
barter.chest.exchange = function(meta)
barter.chest.give_inventory(meta:get_inventory(),"pl1",meta:get_string("pl2"))
barter.chest.give_inventory(meta:get_inventory(),"pl2",meta:get_string("pl1"))
meta:set_string("pl1","")
meta:set_string("pl2","")
meta:set_int("pl1step",0)
meta:set_int("pl2step",0)
meta:set_int("clean",1)
meta:set_int("timer",0)
end
barter.chest.start_timer = function(pos, meta)
meta:set_int("clean",0)
meta:set_int("timer",0)
local node_timer = minetest.get_node_timer(pos)
if node_timer:is_started() then return end
node_timer:start(22)
end
minetest.register_node("currency:barter", {
drawtype = "nodebox",
description = S("Barter Table"),
paramtype = "light",
paramtype2 = "facedir",
tiles = {"barter_top.png",
"barter_base.png",
"barter_side.png"},
inventory_image = "barter_top.png",
node_box = {
type = "fixed",
fixed = {
{-0.500000,0.312500,-0.500000,0.500000,0.500000,0.500000},
{-0.437500,-0.500000,-0.437500,-0.250000,0.500000,-0.250000},
{-0.437500,-0.500000,0.250000,-0.250000,0.500000,0.437500},
{0.250000,-0.500000,-0.437500,0.437500,0.500000,-0.250000},
{0.250000,-0.500000,0.250000,0.437500,0.500000,0.447500},
},
},
groups = {choppy=2,oddly_breakable_by_hand=2},
sounds = default.node_sound_wood_defaults(),
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_string("infotext", S("Barter Table"))
meta:set_string("pl1","")
meta:set_string("pl2","")
meta:set_int("clean",1)
meta:set_int("timer",0)
barter.chest.update_formspec(meta)
local inv = meta:get_inventory()
inv:set_size("pl1", 12) -- 3*4
inv:set_size("pl2", 12) -- 3*4
end,
on_receive_fields = function(pos, formname, fields, sender)
local meta = minetest.get_meta(pos)
barter.chest.start_timer(pos, meta)
pl_receive_fields = function(n)
if fields[n.."_start"] and meta:get_string(n) == "" then
meta:set_string(n,sender:get_player_name())
end
if meta:get_string(n) == "" then
meta:set_int(n.."step",0)
elseif meta:get_int(n.."step")==0 then
meta:set_int(n.."step",1)
end
if sender:get_player_name() == meta:get_string(n) then
if meta:get_int(n.."step")==1 and fields[n.."_accept1"] then
meta:set_int(n.."step",2)
end
if meta:get_int(n.."step")==2 and fields[n.."_accept2"] then
meta:set_int(n.."step",3)
if n == "pl1" and meta:get_int("pl2step") == 3 then barter.chest.exchange(meta) end
if n == "pl2" and meta:get_int("pl1step") == 3 then barter.chest.exchange(meta) end
end
if fields[n.."_cancel"] then barter.chest.cancel(meta) end
end
end
pl_receive_fields("pl1") pl_receive_fields("pl2")
-- End
barter.chest.update_formspec(meta)
end,
allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
local meta = minetest.get_meta(pos)
barter.chest.start_timer(pos, meta)
if not barter.chest.check_privilege(from_list,player:get_player_name(),meta) then return 0 end
if not barter.chest.check_privilege(to_list,player:get_player_name(),meta) then return 0 end
return count
end,
allow_metadata_inventory_put = function(pos, listname, index, stack, player)
local meta = minetest.get_meta(pos)
barter.chest.start_timer(pos, meta)
if not barter.chest.check_privilege(listname,player:get_player_name(),meta) then return 0 end
return stack:get_count()
end,
allow_metadata_inventory_take = function(pos, listname, index, stack, player)
local meta = minetest.get_meta(pos)
barter.chest.start_timer(pos, meta)
if not barter.chest.check_privilege(listname,player:get_player_name(),meta) then return 0 end
return stack:get_count()
end,
on_timer = function(pos, dtime)
local meta = minetest.get_meta(pos)
if 1 == meta:get_int("clean") then return false end
local timer = meta:get_int("timer")
timer = timer + dtime
if timer > barter.chest.expire_after then
-- attempt to return items to owners
barter.chest.cancel(meta)
-- also clear out items of offline users
local inv = meta:get_inventory()
inv:set_list("pl1", {})
inv:set_list("pl2", {})
return false
end
meta:set_int("timer",timer)
return true
end
})