94 lines
2.4 KiB
Lua
94 lines
2.4 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
|
|
local math, minetest, nodecore, pairs
|
|
= math, minetest, nodecore, pairs
|
|
local math_random
|
|
= math.random
|
|
-- LUALOCALS > ---------------------------------------------------------
|
|
|
|
local modname = minetest.get_current_modname()
|
|
|
|
local dirt = modname .. ":dirt"
|
|
local grass = modname .. ":dirt_with_grass"
|
|
|
|
local breathable = {
|
|
airlike = true,
|
|
allfaces = true,
|
|
allfaces_optional = true,
|
|
torchlike = true,
|
|
signlike = true,
|
|
plantlike = true,
|
|
firelike = true,
|
|
raillike = true,
|
|
nodebox = true,
|
|
mesh = true,
|
|
plantlike_rooted = true
|
|
}
|
|
|
|
-- nil = stay, false = die, true = grow
|
|
local function grassable(above)
|
|
local node = minetest.get_node(above)
|
|
if node.name == "ignore" then return end
|
|
|
|
local def = minetest.registered_items[node.name] or {}
|
|
|
|
if (not def.drawtype) or (not breathable[def.drawtype])
|
|
or (def.damage_per_second and def.damage_per_second > 0)
|
|
then return false end
|
|
|
|
local ln = minetest.get_node_light(above) or 0
|
|
if ln >= 10 then return true end
|
|
local ld = minetest.get_node_light(above, 0.5) or 0
|
|
if ld >= 10 then return end
|
|
end
|
|
|
|
local grasscost = 1000
|
|
|
|
nodecore.register_soaking_abm({
|
|
label = "Grass Spread",
|
|
nodenames = {"group:grassable"},
|
|
neighbors = {grass},
|
|
fieldname = "grassify",
|
|
interval = 1,
|
|
chance = 10,
|
|
soakrate = function(pos)
|
|
local above = {x = pos.x, y = pos.y + 1, z = pos.z}
|
|
if not grassable(above) then return end
|
|
return 10
|
|
end,
|
|
soakcheck = function(data, pos)
|
|
if nodecore.near_unloaded(pos) then return end
|
|
if data.total < grasscost then return end
|
|
minetest.set_node(pos, {name = grass})
|
|
local found = nodecore.find_nodes_around(pos, {"group:grassable"})
|
|
if #found < 1 then return false end
|
|
for i = 1, #found do
|
|
local j = math_random(1, #found)
|
|
found[i], found[j] = found[j], found[i]
|
|
end
|
|
for _, p in pairs(found) do
|
|
p.y = p.y + 1
|
|
if grassable(p) then
|
|
p.y = p.y - 1
|
|
nodecore.soaking_abm_push(p,
|
|
"grassify", data.total - grasscost)
|
|
return false
|
|
end
|
|
end
|
|
return false
|
|
end
|
|
})
|
|
|
|
nodecore.register_limited_abm({
|
|
label = "Grass Decay",
|
|
nodenames = {grass},
|
|
interval = 8,
|
|
chance = 50,
|
|
action = function(pos)
|
|
local above = {x = pos.x, y = pos.y + 1, z = pos.z}
|
|
if grassable(above) ~= false then return end
|
|
return minetest.set_node(pos, {name = dirt})
|
|
end
|
|
})
|
|
|
|
nodecore.register_dirt_leaching(dirt, modname .. ":sand_loose")
|