diff options
Diffstat (limited to 'callbacks.lua')
| -rw-r--r-- | callbacks.lua | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/callbacks.lua b/callbacks.lua index 9387154..e86cac6 100644 --- a/callbacks.lua +++ b/callbacks.lua @@ -160,8 +160,8 @@ minetest.register_on_player_receive_fields(function(player, formname, fields) {to_player=player_name, gain = 1.0}) end - -- alternate button - if not fields.alternate then + -- alternate buttons + if not (fields.alternate or fields.alternate_prev) then return end minetest.sound_play("click", @@ -178,9 +178,17 @@ minetest.register_on_player_receive_fields(function(player, formname, fields) if alternates <= 1 then return end - local alternate = unified_inventory.alternate[player_name] + 1 - if alternate > alternates then - alternate = 1 + local alternate + if fields.alternate then + alternate = unified_inventory.alternate[player_name] + 1 + if alternate > alternates then + alternate = 1 + end + elseif fields.alternate_prev then + alternate = unified_inventory.alternate[player_name] - 1 + if alternate < 1 then + alternate = alternates + end end unified_inventory.alternate[player_name] = alternate unified_inventory.set_inventory_formspec(player, |