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refactor nature_classic to avoid lag caused by its blossom abms

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This commit is contained in:
Vanessa Ezekowitz
2015-02-08 23:17:02 -05:00
parent 117cab1474
commit 40f5d66505
4 changed files with 78 additions and 52 deletions
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41
nature_classic/global_function.lua
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@ -1,20 +1,35 @@
local NODE_YOUNG = "young"
-- helper functions
local SETTING_TRUE = "true"
local SETTING_FALSE = "false"
minetest.register_globalstep(function(dtime)
nature.dtime = dtime
if #nature.blossomqueue > 0 and dtime < 0.2 then
local pos = nature.blossomqueue[1][1]
local node = nature.blossomqueue[1][2]
if (nature.blossomqueue[1][3] and not nature:is_near_water(pos)) then
table.remove(nature.blossomqueue, 1) -- don't grow if it's not near water, pop from queue.
return
end
nature:grow_node(pos, nature.blossom_node) -- now actually grow it.
table.remove(nature.blossomqueue, 1)
end
end)
local YOUTH_DELAY = 5
nature = {}
function nature.enqueue_node(pos, node, fcn)
local idx = #nature.blossomqueue
nature.blossomqueue[idx+1] = {}
nature.blossomqueue[idx+1][1] = pos
nature.blossomqueue[idx+1][2] = node
nature.blossomqueue[idx+1][3] = fcn
end
local function set_young_node(pos)
local meta = minetest.get_meta(pos)
meta:set_string(NODE_YOUNG, SETTING_TRUE)
minetest.after(YOUTH_DELAY,
meta:set_string(nature.node_young, nature.setting_true)
minetest.after(nature.youth_delay,
function(pos)
local meta = minetest.get_meta(pos)
meta:set_string(NODE_YOUNG, SETTING_FALSE)
meta:set_string(nature.node_young, nature.setting_false)
end,
pos)
end
@ -22,14 +37,14 @@ end
local function is_not_young(pos)
local meta = minetest.get_meta(pos)
local young = meta:get_string(NODE_YOUNG)
return young ~= SETTING_TRUE
local young = meta:get_string(nature.node_young)
return young ~= nature.setting_true
end
function nature:grow_node(pos, nodename)
if pos ~= nil then
local light_enough = minetest.get_node_light(pos, nil)
>= MINIMUM_GROWTH_LIGHT
>= nature.minimum_growth_light
if is_not_young(pos) and light_enough then
minetest.remove_node(pos)
@ -43,6 +58,6 @@ function nature:grow_node(pos, nodename)
end
function nature:is_near_water(pos)
return DISTANCE_FROM_WATER == -1 or minetest.find_node_near(pos, DISTANCE_FROM_WATER,
return nature.distance_from_water == -1 or minetest.find_node_near(pos, nature.distance_from_water,
{ "default:water_source" }) ~= nil
end