your-land-mirror/yl_speak_up
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added yl_speak_up.check_stack_has_meta

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Sokomine 2021-05-23 00:22:42 +02:00
parent 8f80fd5ade
commit 39632a71f4
1 changed files with 24 additions and 17 deletions
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41
inventory.lua
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@ -9,6 +9,25 @@ yl_speak_up.get_inventory_save_path = function(n_id)
end
-- check if stack contains any metadata; return true if it does
-- (trade_simple does not allow used items or those with metadata)
yl_speak_up.check_stack_has_meta = function(player, stack)
local meta = stack:get_meta()
for k, v in pairs(meta:to_table()) do
-- the name "fields" is allowed - as long as it is empty
if(k ~= "fields") then
return true
end
for k2, v2 in pairs(v) do
if(k2) then
return true
end
end
end
return false
end
-- access the inventory of the NPC (only possible for players with the right priv)
yl_speak_up.get_fs_inventory = function(player)
if(not(player)) then
@ -95,23 +114,11 @@ yl_speak_up.load_npc_inventory = function(n_id)
return 0
end
-- items with metadata cannot be traded
local meta = stack:get_meta()
for k, v in pairs(meta:to_table()) do
if(k ~= "fields") then
minetest.chat_send_player(player:get_player_name(),
"Your NPC cannot sell items that contain "..
"additional (meta-) data.")
return 0
else
for k2, v2 in pairs(v) do
if(k2) then
minetest.chat_send_player(player:get_player_name(),
"Your NPC cannot sell items that contain "..
"additional (meta-) data.")
return 0
end
end
end
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
return stack:get_count()
end,