64 lines
1.2 KiB
Lua
64 lines
1.2 KiB
Lua
|
local metric_mapgen_events_count
|
||
|
|
|
||
|
|
|
||
|
|
if minetest.get_modpath("monitoring") then
|
||
|
|
metric_mapgen_events_count = monitoring.gauge(
|
||
|
|
"jumpdrive_mapgen_events_count",
|
||
|
|
"number of events in the mapgen cache"
|
||
|
|
)
|
||
|
|
end
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
local events = {} -- list of {minp, maxp, time}
|
||
|
|
|
||
|
|
-- update last mapgen event time
|
||
|
|
minetest.register_on_generated(function(minp, maxp, seed)
|
||
|
|
table.insert(events, {
|
||
|
|
minp = minp,
|
||
|
|
maxp = maxp,
|
||
|
|
time = minetest.get_us_time()
|
||
|
|
})
|
||
|
|
end)
|
||
|
|
|
||
|
|
|
||
|
|
-- cleanup
|
||
|
|
local timer = 0
|
||
|
|
minetest.register_globalstep(function(dtime)
|
||
|
|
timer = timer + dtime
|
||
|
|
if timer < 5 then return end
|
||
|
|
timer=0
|
||
|
|
|
||
|
|
local time = minetest.get_us_time()
|
||
|
|
local delay_seconds = 20
|
||
|
|
|
||
|
|
local copied_events = events
|
||
|
|
events = {}
|
||
|
|
|
||
|
|
local count = 0
|
||
|
|
for _, event in ipairs(copied_events) do
|
||
|
|
if event.time > (time - (delay_seconds * 1000000)) then
|
||
|
|
-- still recent
|
||
|
|
table.insert(events, event)
|
||
|
|
count = count + 1
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
if metric_mapgen_events_count then
|
||
|
|
metric_mapgen_events_count.set(count)
|
||
|
|
end
|
||
|
|
|
||
|
|
end)
|
||
|
|
|
||
|
|
|
||
|
|
-- true = mapgen recently active in that area
|
||
|
|
jumpdrive.check_mapgen = function(pos)
|
||
|
|
for _, event in ipairs(events) do
|
||
|
|
if vector.distance(pos, event.minp) < 200 then
|
||
|
|
return true
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
return false
|
||
|
|
end
|