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simplify catch-up LBM logic

This commit is contained in:
kno10 2024-10-16 21:19:38 +02:00
parent 1521d9fade
commit b9fcd16b11
1 changed files with 14 additions and 33 deletions
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47
mods/ITEMS/mcl_farming/shared_functions.lua
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@ -15,20 +15,6 @@ local plant_step_from_name = {} -- map nodes to growth steps
local growth_factor = tonumber(minetest.settings:get("vl_plant_growth")) or 1.0
-- note: does not support /set time_speed!
local time_speed = tonumber(minetest.settings:get("time_speed")) or 72
local time_multiplier = time_speed > 0 and (86400 / time_speed) or 0
local function get_intervals_counter(pos, interval, chance)
-- in-game days, so plants continue to grow while sleeping, and we try to catch up
local current_game_time = (minetest.get_day_count() + minetest.get_timeofday()) * time_multiplier
local meta = minetest.get_meta(pos)
local last_game_time = meta:get_float("last_gametime")
meta:set_float("last_gametime", current_game_time)
if last_game_time < 1 then return 0 end
return (current_game_time - last_game_time) / (interval * chance)
end
-- wetness of the surroundings
-- dry farmland = 1 point
-- wet farmland = 3 points
@ -125,14 +111,11 @@ end
-- Returns true if plant has been grown by 1 or more stages.
-- Returns false if nothing changed.
function mcl_farming:grow_plant(identifier, pos, node, stages, ignore_light_water)
stages = stages or 1 -- 0 when run from block loading
-- check light
if not ignore_light_water and (minetest.get_node_light(pos, 0.5) or 0) < 0 then return false end
-- number of missed interval ticks, for catch-up in block loading
local plant_info = plant_lists[identifier]
if not plant_info then return end
stages = floor(stages + get_intervals_counter(pos, plant_info.interval, plant_info.chance) - 0.45)
if not ignore_light_water then
if (minetest.get_node_light(pos, 0.5) or 0) < 0 then return false end -- day light
local odds = floor(25 / (get_moisture_level(pos) * get_same_crop_penalty(pos))) + 1
for i = 1,stages do
-- compared to info from the MC wiki, our ABM runs a third as often, hence we use triple the chance
@ -384,21 +367,19 @@ minetest.register_lbm({
action = function(pos, node, dtime_s)
local identifier = plant_nodename_to_id[node.name]
if not identifier then return end
mcl_farming:grow_plant(identifier, pos, node, 0, false)
end,
})
-- The average light levels were unreliable
-- LBM added in fall 2024
minetest.register_lbm({
label = "Drop legacy average lighting data",
name = "mcl_farming:drop_average_light_meta",
nodenames = { "group:plant" },
run_at_every_load = false, -- only convert once
action = function(pos, node, dtime_s)
local meta = minetest.get_meta(pos)
meta:set_string("avg_light_summary", "") -- drop
meta:set_string("avg_light_count", "") -- drop
local plant_info = plant_lists[identifier]
if not plant_info then return end
local rolls = floor(dtime_s / plant_info.interval)
if rolls <= 0 then return end
-- simulate how often the block will be ticked
local stages = 0
for i = 1,rolls do
if random(1, plant_info.chance) == 1 then stages = stages + 1 end
end
if stages > 0 then
mcl_farming:grow_plant(identifier, pos, node, stages, false)
end
end,
})