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Improve cacti and cane growth ABM (#4590) 

- local functions, as they are not called by anywhere else
- delay water check of reed, first check height
- reduce number of get_node calls (for height 1,2,3 the old code used 4,5,4 calls, the new only 2,3,3)
- cane growth rate is also reduced

This will make the ABM cheaper.

Reviewed-on: VoxeLibre/VoxeLibre#4590
Reviewed-by: the-real-herowl <the-real-herowl@noreply.git.minetest.land>
Co-authored-by: kno10 <erich.schubert@gmail.com>
Co-committed-by: kno10 <erich.schubert@gmail.com>
This commit is contained in:
kno10 2024-09-09 20:22:04 +02:00 committed by the-real-herowl
parent 72c7489976
commit 0752ed17d8
1 changed files with 35 additions and 42 deletions
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63
mods/ITEMS/mcl_core/functions.lua
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@ -57,45 +57,42 @@ minetest.register_abm({
--
-- Papyrus and cactus growing
--
-- Functions
function mcl_core.grow_cactus(pos, node)
pos.y = pos.y-1
local name = minetest.get_node(pos).name
if minetest.get_item_group(name, "sand") ~= 0 then
pos.y = pos.y+1
local height = 0
while minetest.get_node(pos).name == "mcl_core:cactus" and height < 4 do
height = height+1
pos.y = pos.y+1
function grow_cactus(pos, node)
pos.y = pos.y - 1 -- below
if minetest.get_item_group(minetest.get_node(pos).name, "sand") == 0 then return end
pos.y = pos.y + 2 -- above
local above = minetest.get_node(pos).name
if above == "air" then
minetest.set_node(pos, {name="mcl_core:cactus"})
return
end
if height < 3 then
if above ~= "mcl_core:cactus" then return end
pos.y = pos.y + 1 -- at max height 3
if minetest.get_node(pos).name == "air" then
minetest.set_node(pos, {name="mcl_core:cactus"})
end
end
end
end
function mcl_core.grow_reeds(pos, node)
pos.y = pos.y-1
local name = minetest.get_node(pos).name
if minetest.get_item_group(name, "soil_sugarcane") ~= 0 then
if minetest.find_node_near(pos, 1, {"group:water"}) == nil and minetest.find_node_near(pos, 1, {"group:frosted_ice"}) == nil then
function grow_reeds(pos, node)
pos.y = pos.y - 1 -- below
if minetest.get_item_group(minetest.get_node(pos).name, "soil_sugarcane") == 0 then return end
pos.y = pos.y + 2 -- above
local above = minetest.get_node(pos).name
if above == "air" then
pos.y = pos.y - 1 -- original position, check for water
if minetest.find_node_near(pos, 1, {"group:water", "group:frosted_ice"}) == nil then return end
pos.y = pos.y + 1 -- above
minetest.set_node(pos, {name="mcl_core:reeds"})
return
end
pos.y = pos.y+1
local height = 0
while minetest.get_node(pos).name == "mcl_core:reeds" and height < 3 do
height = height+1
pos.y = pos.y+1
end
if height < 3 then
if above ~= "mcl_core:reeds" then return end
pos.y = pos.y + 1 -- at max height 3
if minetest.get_node(pos).name == "air" then
pos.y = pos.y - 2 -- original position, check for water
if minetest.find_node_near(pos, 1, {"group:water", "group:frosted_ice"}) == nil then return end
pos.y = pos.y + 2 -- above
minetest.set_node(pos, {name="mcl_core:reeds"})
end
end
end
end
-- ABMs
@ -192,9 +189,7 @@ minetest.register_abm({
neighbors = {"group:sand"},
interval = 25,
chance = 40,
action = function(pos)
mcl_core.grow_cactus(pos)
end,
action = grow_cactus
})
local function is_walkable(pos)
@ -239,10 +234,8 @@ minetest.register_abm({
nodenames = {"mcl_core:reeds"},
neighbors = {"group:soil_sugarcane"},
interval = 25,
chance = 10,
action = function(pos)
mcl_core.grow_reeds(pos)
end,
chance = 40,
action = grow_reeds
})
--