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Fix rare crash and irrecoverable operator state (#16)

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* Fix rare crash and irrecoverable operator state

* Do not restore if the player is not an operator

* Fix typo
This commit is contained in:
1F616EMO~nya 2024-04-16 19:47:54 +08:00 committed by GitHub
parent af87d6278c
commit b7bed50ac7
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GPG Key ID: B5690EEEBB952194
1 changed files with 13 additions and 4 deletions
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13
control.lua
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@ -103,7 +103,7 @@ end
local function reset_operator_privs(player)
local privs = minetest.get_player_privs(player:get_player_name())
local meta = player:get_meta()
if meta and privs then
if meta and privs and meta:get_int("towercrane_isoperator") ~= 0 then
meta:set_string("towercrane_pos", "")
-- restore the player privs default values
meta:set_int("towercrane_isoperator", 0)
@ -270,6 +270,7 @@ minetest.register_node("towercrane:mast_ctrl_on", {
meta:set_string("infotext", S("Switch crane on/off"))
end,
drop = "",
paramtype = "light",
paramtype2 = "facedir",
light_source = 3,
@ -295,8 +296,14 @@ minetest.register_node("towercrane:mast_ctrl_off", {
if set_operator_privs(clicker, pos) then
start_crane(pos, clicker)
local pos1, pos2 = calc_construction_area(pos)
if pos1 and pos2 then
-- control player every second
minetest.after(1, control_player, pos, pos1, pos2, clicker:get_player_name())
else
-- Something weird happened, restore privileges
stop_crane(pos, clicker)
reset_operator_privs(clicker)
end
end
end
end,
@ -307,6 +314,7 @@ minetest.register_node("towercrane:mast_ctrl_off", {
meta:set_string("infotext", S("Switch crane on/off"))
end,
drop = "",
paramtype = "light",
paramtype2 = "facedir",
sunlight_propagates = true,
@ -315,9 +323,10 @@ minetest.register_node("towercrane:mast_ctrl_off", {
})
minetest.register_on_joinplayer(function(player)
-- To recover from a crash, this must be done unconditionally
reset_operator_privs(player)
local pos = get_my_crane_pos(player)
if pos then
reset_operator_privs(player)
stop_crane(pos, player)
end
end)