added yl_speak_up.input_add_trade_simple
This commit is contained in:
Sokomine
parent
39632a71f4
commit
2e2ede2ebf
106
trade_simple.lua
106
trade_simple.lua
@ -5,7 +5,89 @@ yl_speak_up.trade_fail_fs = "size[6,2]"..
|
||||
"label[0.2,0.5;Ups! The trade is not possible.\nPlease notify an admin.]"..
|
||||
"button_exit[2,1.5;1,0.9;exit;Exit]"
|
||||
|
||||
-- TODO: when closing the formspec: give the items in the pay slot back
|
||||
|
||||
-- the player wants to add a simple trade; handle formspec input
|
||||
yl_speak_up.input_add_trade_simple = function(player, formname, fields)
|
||||
if(not(player)) then
|
||||
return 0
|
||||
end
|
||||
local pname = player:get_player_name()
|
||||
-- the trade can only be changed in edit mode
|
||||
if(yl_speak_up.edit_mode[pname] ~= yl_speak_up.speak_to[pname].n_id
|
||||
or not(yl_speak_up.speak_to[pname].n_id)) then
|
||||
return 0
|
||||
end
|
||||
|
||||
-- we return from showing an error message (the player may not have noticed
|
||||
-- a chat message while viewing a formspec)
|
||||
if(fields.back_from_error_msg) then
|
||||
minetest.show_formspec(pname, "yl_speak_up:add_trade_simple",
|
||||
yl_speak_up.get_fs_trade_simple(player))
|
||||
return
|
||||
end
|
||||
|
||||
-- which trade are we talking about?
|
||||
local trade = yl_speak_up.trade[pname]
|
||||
|
||||
local d_id = yl_speak_up.speak_to[pname].d_id
|
||||
local n_id = yl_speak_up.speak_to[pname].n_id
|
||||
|
||||
-- this also contains the inventory list "setup" where the player placed the items
|
||||
local trade_inv = minetest.get_inventory({type="detached", name="yl_speak_up_player_"..pname})
|
||||
|
||||
-- fields.abort_trade_simple can be ignored as it is similar to ESC
|
||||
|
||||
local pay = trade_inv:get_stack("setup", 1)
|
||||
local buy = trade_inv:get_stack("setup", 2)
|
||||
|
||||
-- store the new trade
|
||||
if(fields.store_trade_simple) then
|
||||
local error_msg = ""
|
||||
-- check for error conditions
|
||||
if(pay:is_empty()) then
|
||||
error_msg = "What shall the customer pay?\nWe don't give away stuff for free here!"
|
||||
elseif(buy:is_empty()) then
|
||||
error_msg = "What shall your NPC sell?\nCustomers won't pay for nothing!"
|
||||
elseif(pay:get_wear() > 0 or buy:get_wear() > 0) then
|
||||
error_msg = "Selling used items is not possible."
|
||||
elseif(not(minetest.registered_items[ pay:get_name() ])
|
||||
or not(minetest.registered_items[ buy:get_name() ])) then
|
||||
error_msg = "Unkown items cannot be traded."
|
||||
elseif(pay:get_name() == buy:get_name()) then
|
||||
error_msg = "Selling *and* buying the same item\nat the same time makes no sense."
|
||||
else
|
||||
-- TODO: *can* we store the trade?
|
||||
-- TODO no trade stored for that option yet?
|
||||
error_msg = "So far so good!"
|
||||
end
|
||||
-- show error message (that leads back to this formspec)
|
||||
if(error_msg) then
|
||||
minetest.show_formspec(pname, "yl_speak_up:add_trade_simple",
|
||||
"size[6,2]"..
|
||||
"label[0.2,0.5;"..error_msg.."]"..
|
||||
"button[2,1.5;1,0.9;back_from_error_msg;Back]")
|
||||
return
|
||||
end
|
||||
end
|
||||
|
||||
-- give the items back to the player (he took them from his inventory and had no
|
||||
-- real chance to put them elsewhere - so there really ought to be room enough)
|
||||
local player_inv = player:get_inventory()
|
||||
if( player_inv:room_for_item("main", pay)) then
|
||||
player_inv:add_item("main", pay)
|
||||
trade_inv:set_stack("setup", 1, "")
|
||||
end
|
||||
if( player_inv:room_for_item("main", buy)) then
|
||||
player_inv:add_item("main", buy)
|
||||
trade_inv:set_stack("setup", 2, "")
|
||||
end
|
||||
|
||||
-- TODO: or show the trade we just stored directly?
|
||||
-- ..and go back to the edit options formspec
|
||||
minetest.show_formspec(pname, "yl_speak_up:edit_option_dialog",
|
||||
yl_speak_up.get_fs_edit_option_dialog(player, n_id, d_id, trade.o_id))
|
||||
end
|
||||
|
||||
|
||||
-- can this trade be made? called in allow_take
|
||||
yl_speak_up.can_trade_simple = function(player, count)
|
||||
@ -140,8 +222,9 @@ yl_speak_up.get_fs_trade_simple = function(player, player_gives, npc_gives)
|
||||
-- the NPCs' inventory
|
||||
local npc_inv = minetest.get_inventory({type="detached", name="yl_speak_up_npc_"..tostring(trade.n_id)})
|
||||
|
||||
-- show edit button for the owner
|
||||
if(yl_speak_up.may_edit_npc(player, trade.n_id)) then
|
||||
-- show edit button for the owner if in edit_mode
|
||||
if(yl_speak_up.may_edit_npc(player, trade.n_id)
|
||||
and (yl_speak_up.edit_mode[pname] == yl_speak_up.speak_to[pname].n_id)) then
|
||||
formspec = formspec..
|
||||
"button[0.2,1.6;0.8,0.9;edit_trade_simple;Edit]"..
|
||||
"tooltip[edit_trade_simple;Edit this trade. You can do so only "..
|
||||
@ -242,6 +325,23 @@ minetest.register_on_joinplayer(function(player, last_login)
|
||||
if(listname == "buy") then
|
||||
return 0
|
||||
end
|
||||
-- do not allow used items or items with metadata in the setup slots
|
||||
-- (they can't really be traded later on anyway)
|
||||
if(listname == "setup") then
|
||||
if(stack:get_wear() > 0) then
|
||||
minetest.chat_send_player(player:get_player_name(),
|
||||
"Your NPC accepts only undammaged items. "..
|
||||
"Trading dammaged items would be unfair.")
|
||||
return 0
|
||||
end
|
||||
-- items with metadata cannot be traded
|
||||
if(yl_speak_up.check_stack_has_meta(player, stack)) then
|
||||
minetest.chat_send_player(player:get_player_name(),
|
||||
"Your NPC cannot sell items that contain "..
|
||||
"additional (meta-) data.")
|
||||
return 0
|
||||
end
|
||||
end
|
||||
return stack:get_count()
|
||||
end,
|
||||
allow_take = function(inv, listname, index, stack, player)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user