rewrote block queue handlers to reduce code duplication
and improve lag management minetest.conf settings added: biome_lib_dtime_limit: Maximum lag allowed, in seconds. Default 0.5s. Larger values allow for more lag, but make map updates run a bit faster. biome_lib_queue_run_ratio: If positive, this is the approximate number of globalstep ticks to skip between map updates. If negative, it becomes the positive number of map updates to run per globalstep tick before lag is checked. No minimum value, maximum +100. Default: -100 (that is, 100 updates per globalstep tick, with none intentionally skipped). Use positive numbers for slow machines or biome_lib-using mods that tend to cause lag, and negative values for fast machines and mods.
This commit is contained in:
Vanessa Dannenberg
parent
8ecb401309
commit
a325c2ccd8
198
init.lua
198
init.lua
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@ -9,27 +9,16 @@
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biome_lib = {}
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biome_lib.air = {name = "air"}
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biome_lib.blocklist_aircheck = {}
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biome_lib.blocklist_no_aircheck = {}
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biome_lib.surface_nodes_aircheck = {}
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biome_lib.surface_nodes_no_aircheck = {}
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biome_lib.surfaceslist_aircheck = {}
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biome_lib.surfaceslist_no_aircheck = {}
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biome_lib.actioncount_aircheck = {}
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biome_lib.actioncount_no_aircheck = {}
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biome_lib.block_log = {}
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biome_lib.actionslist_aircheck = {}
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biome_lib.actionslist_no_aircheck = {}
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biome_lib.surfaceslist_aircheck = {}
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biome_lib.surfaceslist_no_aircheck = {}
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biome_lib.modpath = minetest.get_modpath("biome_lib")
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biome_lib.total_no_aircheck_calls = 0
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biome_lib.queue_run_ratio = tonumber(minetest.settings:get("biome_lib_queue_run_ratio")) or 100
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local function tableize(s)
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return string.split(string.trim(string.gsub(s, " ", "")))
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end
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@ -328,7 +317,7 @@ local function populate_single_surface(biome, pos, perlin_fertile_area, checkair
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return true
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end
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function biome_lib:populate_surfaces(biome, nodes_or_function_or_model, snodes, checkair)
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function biome_lib.populate_surfaces(biome, nodes_or_function_or_model, snodes, checkair)
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local items_added = 0
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biome_lib:set_defaults(biome)
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@ -427,104 +416,78 @@ function biome_lib:populate_surfaces(biome, nodes_or_function_or_model, snodes,
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return items_added
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end
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-- Primary mapgen spawner, for mods that can work with air checking enabled on
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-- a surface during the initial map read stage.
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-- Primary log read-out/mapgen spawner
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function biome_lib:generate_block_with_air_checking()
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if not biome_lib.blocklist_aircheck[1] then
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return
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end
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function biome_lib.generate_block()
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if not biome_lib.block_log[1] then return end -- the block log is empty
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local minp = biome_lib.blocklist_aircheck[1][1]
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local maxp = biome_lib.blocklist_aircheck[1][2]
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local minp = biome_lib.block_log[1][1]
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local maxp = biome_lib.block_log[1][2]
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local airflag = biome_lib.block_log[1][3]
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local pos_hash = minetest.hash_node_position(minp)
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-- use the block hash as a unique key into the surface nodes
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-- tables, so that we can write the tables thread-safely.
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local blockhash = minetest.hash_node_position(minp)
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if not biome_lib.surface_nodes_aircheck.blockhash then -- read it into the block cache
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biome_lib.surface_nodes_aircheck.blockhash =
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minetest.find_nodes_in_area_under_air(minp, maxp, biome_lib.surfaceslist_aircheck)
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biome_lib.actioncount_aircheck.blockhash = 1
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if #biome_lib.surface_nodes_aircheck.blockhash > 0 then
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biome_lib:dbg("Mapblock at "..minetest.pos_to_string(minp).." added, with "..#biome_lib.surface_nodes_aircheck.blockhash.." surface nodes detected.")
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if not biome_lib.pos_hash then -- we need to read the maplock and get the surfaces list
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biome_lib.pos_hash = {}
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biome_lib.pos_hash.surface_node_list = airflag
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and minetest.find_nodes_in_area_under_air(minp, maxp, biome_lib.surfaceslist_aircheck)
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or minetest.find_nodes_in_area(minp, maxp, biome_lib.surfaceslist_no_aircheck)
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biome_lib.pos_hash.action_index = 1
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if #biome_lib.pos_hash.surface_node_list > 0 then
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biome_lib:dbg("Mapblock at "..minetest.pos_to_string(minp)..
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" has "..#biome_lib.pos_hash.surface_node_list..
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" surface nodes to work on (airflag="..dump(airflag)..")")
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end
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elseif not (airflag and biome_lib.actionslist_aircheck[biome_lib.pos_hash.action_index])
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and not (not airflag and biome_lib.actionslist_no_aircheck[biome_lib.pos_hash.action_index]) then
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-- the block is finished, remove it
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if #biome_lib.pos_hash.surface_node_list > 0 then
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biome_lib:dbg("Deleted mapblock "..minetest.pos_to_string(minp).." from the block log")
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end
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table.remove(biome_lib.block_log, 1)
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biome_lib.pos_hash = nil
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else
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if biome_lib.actionslist_aircheck[biome_lib.actioncount_aircheck.blockhash] then
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-- [1] is biome, [2] is node/function/model
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local added = biome_lib:populate_surfaces(
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biome_lib.actionslist_aircheck[biome_lib.actioncount_aircheck.blockhash][1],
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biome_lib.actionslist_aircheck[biome_lib.actioncount_aircheck.blockhash][2],
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biome_lib.surface_nodes_aircheck.blockhash, true)
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if added > 0 then
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biome_lib:dbg("Ran biome_lib:populate_surfaces for block at "..minetest.pos_to_string(minp)..
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". Entry #"..biome_lib.actioncount_aircheck.blockhash.." added "..added.." items.")
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-- below, [1] is biome, [2] is the thing to be added
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local added = 0
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if airflag then
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if biome_lib.actionslist_aircheck[biome_lib.pos_hash.action_index] then
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added = biome_lib.populate_surfaces(
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biome_lib.actionslist_aircheck[biome_lib.pos_hash.action_index][1],
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biome_lib.actionslist_aircheck[biome_lib.pos_hash.action_index][2],
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biome_lib.pos_hash.surface_node_list, true)
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biome_lib.pos_hash.action_index = biome_lib.pos_hash.action_index + 1
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end
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biome_lib.actioncount_aircheck.blockhash = biome_lib.actioncount_aircheck.blockhash + 1
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else
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table.remove(biome_lib.blocklist_aircheck, 1)
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biome_lib.surface_nodes_aircheck.blockhash = nil
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biome_lib.actioncount_aircheck.blockhash = nil
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if biome_lib.actionslist_no_aircheck[biome_lib.pos_hash.action_index] then
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added = biome_lib.populate_surfaces(
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biome_lib.actionslist_no_aircheck[biome_lib.pos_hash.action_index][1],
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biome_lib.actionslist_no_aircheck[biome_lib.pos_hash.action_index][2],
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biome_lib.pos_hash.surface_node_list, false)
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biome_lib.pos_hash.action_index = biome_lib.pos_hash.action_index + 1
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end
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end
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end
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end
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-- Secondary mapgen spawner, for mods that require disabling of
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-- checking for air during the initial map read stage.
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function biome_lib:generate_block_no_aircheck()
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if not biome_lib.blocklist_no_aircheck[1] then
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return
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end
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local minp = biome_lib.blocklist_no_aircheck[1][1]
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local maxp = biome_lib.blocklist_no_aircheck[1][2]
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local blockhash = minetest.hash_node_position(minp)
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if not biome_lib.surface_nodes_no_aircheck.blockhash then
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biome_lib.surface_nodes_no_aircheck.blockhash =
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minetest.find_nodes_in_area(minp, maxp, biome_lib.surfaceslist_no_aircheck)
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biome_lib.actioncount_no_aircheck.blockhash = 1
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else
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if biome_lib.actionslist_no_aircheck[biome_lib.actioncount_no_aircheck.blockhash] then
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biome_lib:populate_surfaces(
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biome_lib.actionslist_no_aircheck[biome_lib.actioncount_no_aircheck.blockhash][1],
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biome_lib.actionslist_no_aircheck[biome_lib.actioncount_no_aircheck.blockhash][2],
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biome_lib.surface_nodes_no_aircheck.blockhash, false)
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biome_lib.actioncount_no_aircheck.blockhash = biome_lib.actioncount_no_aircheck.blockhash + 1
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else
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table.remove(biome_lib.blocklist_no_aircheck, 1)
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biome_lib.surface_nodes_no_aircheck.blockhash = nil
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biome_lib.actioncount_no_aircheck.blockhash = nil
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if added > 0 then
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biome_lib:dbg("biome_lib.populate_surfaces ran on mapblock at "..
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minetest.pos_to_string(minp)..". Entry #"..
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(biome_lib.pos_hash.action_index-1).." added "..added.." items.")
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end
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end
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end
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-- "Play" them back, populating them with new stuff in the process
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local step_duration = tonumber(minetest.settings:get("dedicated_server_step"))
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biome_lib.dtime_limit = tonumber(minetest.settings:get("biome_lib_dtime_limit")) or 0.5
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local rr = tonumber(minetest.settings:get("biome_lib_queue_run_ratio")) or -100
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biome_lib.queue_run_ratio = 100 - rr
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biome_lib.entries_per_step = math.max(-rr, 1)
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minetest.register_globalstep(function(dtime)
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if dtime >= step_duration + 0.1 -- don't attempt to populate if lag is already too high
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or math.random(100) > biome_lib.queue_run_ratio
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or (#biome_lib.blocklist_aircheck == 0 and #biome_lib.blocklist_no_aircheck == 0) then
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if math.random(100) > biome_lib.queue_run_ratio
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or dtime > biome_lib.dtime_limit then
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return
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end
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biome_lib.globalstep_start_time = minetest.get_us_time()
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biome_lib.globalstep_runtime = 0
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while (#biome_lib.blocklist_aircheck > 0 or #biome_lib.blocklist_no_aircheck > 0)
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and biome_lib.globalstep_runtime < 200000 do -- 0.2 seconds, in uS.
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if #biome_lib.blocklist_aircheck > 0 then
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biome_lib:generate_block_with_air_checking()
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end
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if #biome_lib.blocklist_no_aircheck > 0 then
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biome_lib:generate_block_no_aircheck()
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end
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biome_lib.globalstep_runtime = minetest.get_us_time() - biome_lib.globalstep_start_time
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for s = 1, biome_lib.entries_per_step do
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biome_lib.generate_block()
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end
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end)
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@ -532,26 +495,14 @@ end)
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-- to prevent unpopulated map areas
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minetest.register_on_shutdown(function()
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if #biome_lib.blocklist_aircheck == 0 then
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if #biome_lib.block_log == 0 then
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return
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end
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print("[biome_lib] Stand by, playing out the rest of the aircheck mapblock log")
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print("(there are "..#biome_lib.blocklist_aircheck.." entries)...")
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while #biome_lib.blocklist_aircheck > 0 do
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biome_lib:generate_block_with_air_checking(0.1)
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end
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end)
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minetest.register_on_shutdown(function()
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if #biome_lib.blocklist_aircheck == 0 then
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return
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end
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print("[biome_lib] Stand by, playing out the rest of the no-aircheck mapblock log")
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print("(there are "..#biome_lib.blocklist_no_aircheck.." entries)...")
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while #biome_lib.blocklist_no_aircheck > 0 do
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biome_lib:generate_block_no_aircheck(0.1)
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print("[biome_lib] Stand by, playing out the rest of the mapblock log")
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print("(there are "..#biome_lib.block_log.." entries)...")
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while #biome_lib.block_log > 0 do
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biome_lib.generate_block()
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end
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end)
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@ -746,22 +697,17 @@ function biome_lib:get_nodedef_field(nodename, fieldname)
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end
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if DEBUG then
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biome_lib.last_count_air = 0
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biome_lib.last_count_no_air = 0
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biome_lib.last_count = 0
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function biome_lib.show_pending_block_counts()
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if biome_lib.last_count_air ~= #biome_lib.blocklist_aircheck
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or biome_lib.last_count_no_air ~= #biome_lib.blocklist_no_aircheck then
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biome_lib:dbg(string.format("Pending block counts, air: %-7i no-air: %i",
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#biome_lib.blocklist_aircheck, #biome_lib.blocklist_no_aircheck))
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biome_lib.last_count_air = #biome_lib.blocklist_aircheck
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biome_lib.last_count_no_air = #biome_lib.blocklist_no_aircheck
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function biome_lib.show_pending_block_count()
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if biome_lib.last_count ~= #biome_lib.block_log then
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biome_lib:dbg("Pending block count: "..#biome_lib.block_log)
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biome_lib.last_count = #biome_lib.block_log
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end
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minetest.after(1, biome_lib.show_pending_block_counts)
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minetest.after(1, biome_lib.show_pending_block_count)
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end
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biome_lib.show_pending_block_counts()
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biome_lib.show_pending_block_count()
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minetest.after(0, function()
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print("Registered a total of "..(#biome_lib.surfaceslist_aircheck)+(#biome_lib.surfaceslist_no_aircheck).." surface types to be evaluated, spread")
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@ -65,9 +65,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
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local bmin = {x=minx, y=miny, z=minz}
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local bmax = {x=minx + 15, y=miny + 15, z=minz + 15}
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biome_lib.blocklist_aircheck[#biome_lib.blocklist_aircheck + 1] = { bmin, bmax }
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biome_lib.blocklist_no_aircheck[#biome_lib.blocklist_no_aircheck + 1] = { bmin, bmax }
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biome_lib.block_log[#biome_lib.block_log + 1] = { bmin, bmax, true }
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end
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end
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end
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