damocles-minetest/epic
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add recursion counter and abort if the limit is reached

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fixes #40
This commit is contained in:
BuckarooBanzay 2021-10-29 08:09:44 +02:00
parent b7f69ba5d7
commit 905d0ba165
1 changed files with 12 additions and 2 deletions
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14
executor/executor.lua
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@ -2,10 +2,17 @@
-- time in seconds between executor calls
local executor_dtime = 0.1
function epic.execute_player_state(playername, state)
function epic.execute_player_state(playername, state, recursion_depth)
local pos = state.ip
local player = minetest.get_player_by_name(playername)
if recursion_depth and recursion_depth > 100 then
-- abort execution if the recursion limit is reached
epic.state[playername] = nil
minetest.log("warn", "[epic][executor] max recursion depth exceeded at: " .. minetest.pos_to_string(pos))
return
end
if not player then
minetest.log("warn", "[epic][executor] player not found, aborting: " .. playername)
return
@ -121,7 +128,10 @@ function epic.execute_player_state(playername, state)
state.ip = next_pos
state.initialized = false
state.step_data = {}
epic.execute_player_state(playername, state)
-- set the recursion depth if not set
recursion_depth = recursion_depth or 1
epic.execute_player_state(playername, state, recursion_depth + 1)
end
end