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currency.barter = {}
barter = currency.barter -- Kept as a global variable for compatibility
local S = minetest.get_translator("currency")
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[0,4;3,1;pl1_start;" .. S("Start") .. "]",
player = function(name) return "label[0,4;"..name.."]" end,
accept1 = "button[2.9,1;1.2,1;pl1_accept1;" .. S("Confirm") .. "]"..
"button[2.9,2;1.2,1;pl1_cancel;" .. S("Cancel") .. "]",
accept2 = "button[2.9,1;1.2,1;pl1_accept2;" .. S("Exchange") .. "]"..
"button[2.9,2;1.2,1;pl1_cancel;" .. S("Cancel") .. "]",
},
pl2 = {
start = "button[5,4;3,1;pl2_start;" .. S("Start") .. "]",
player = function(name) return "label[5,4;"..name.."]" end,
accept1 = "button[3.9,1;1.2,1;pl2_accept1;" .. S("Confirm") .. "]"..
"button[3.9,2;1.2,1;pl2_cancel;" .. S("Cancel") .. "]",
accept2 = "button[3.9,1;1.2,1;pl2_accept2;" .. S("Exchange") .. "]"..
"button[3.9,2;1.2,1;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
if player:get_inventory():room_for_item("main",v) then
player:get_inventory():add_item("main",v)
else
minetest.add_item(player:get_pos(),v)
end
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 = currency.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
})
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