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add "random return" CPU limiter to active queue playback

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set `biome_lib_queue_run_ratio = <1 to 100>` to use
default 100 (basically, a percentage of max runtime).
This commit is contained in:
Vanessa Ezekowitz 2017-11-06 19:50:10 -05:00
parent e6bfd4c31b
commit 8fd0789ad2
2 changed files with 11 additions and 2 deletions
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6
API.txt
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@ -481,6 +481,12 @@ Set this to true if you want the mod to spam your console with debug info :-)
plantlife_debug = false
To slow down the playback of the queue (e.g. for really slow machines where
the 0.2 second max limiter isn't enough), set:
biome_lib_queue_run_ratio = <some value 1 to 100>
Default is 100 (basically percent of maximum runtime)
======================
Fertile Ground Mapping

7
init.lua
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@ -31,6 +31,8 @@ biome_lib.modpath = minetest.get_modpath("biome_lib")
biome_lib.total_no_aircheck_calls = 0
biome_lib.queue_run_ratio = tonumber(minetest.settings:get("biome_lib_queue_run_ratio")) or 100
-- Boilerplate to support localized strings if intllib mod is installed.
local S
if minetest.get_modpath("intllib") then
@ -427,8 +429,9 @@ end)
-- "Play" them back, populating them with new stuff in the process
minetest.register_globalstep(function(dtime)
if dtime < 0.2 and -- don't attempt to populate if lag is already too high
(#biome_lib.blocklist_aircheck > 0 or #biome_lib.blocklist_no_aircheck > 0) then
if dtime < 0.2 -- don't attempt to populate if lag is already too high
and math.random(100) <= biome_lib.queue_run_ratio
and (#biome_lib.blocklist_aircheck > 0 or #biome_lib.blocklist_no_aircheck > 0) then
biome_lib.globalstep_start_time = minetest.get_us_time()
biome_lib.globalstep_runtime = 0
while (#biome_lib.blocklist_aircheck > 0 or #biome_lib.blocklist_no_aircheck > 0)