42 lines
1.2 KiB
Lua
42 lines
1.2 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
|
|
local math, minetest, nodecore, type
|
|
= math, minetest, nodecore, type
|
|
local math_random
|
|
= math.random
|
|
-- LUALOCALS > ---------------------------------------------------------
|
|
|
|
local smoking = {}
|
|
|
|
function nodecore.smokefx(pos, time, qty)
|
|
local now = minetest.get_us_time() / 1000000
|
|
local key = minetest.hash_node_position(pos)
|
|
local old = smoking[key]
|
|
if old and now < old.exp then minetest.delete_particlespawner(old.id) end
|
|
if (not time) or (time <= 0) then
|
|
smoking[key] = nil
|
|
return
|
|
end
|
|
if type(qty) ~= "number" then qty = 1 end
|
|
if qty < 1 then
|
|
if math_random() > qty then return end
|
|
qty = 1
|
|
end
|
|
smoking[key] = {
|
|
id = minetest.add_particlespawner({
|
|
texture = "nc_api_craft_smoke.png",
|
|
collisiondetection = true,
|
|
amount = (qty or 2) * time,
|
|
time = time,
|
|
minpos = {x = pos.x - 0.4, y = pos.y - 0.4, z = pos.z - 0.4},
|
|
maxpos = {x = pos.x + 0.4, y = pos.y + 0.4, z = pos.z + 0.4},
|
|
minvel = {x = -0.1, y = 0.3, z = -0.1},
|
|
maxvel = {x = 0.1, y = 0.7, z = 0.1},
|
|
minexptime = 1,
|
|
maxexptime = 5,
|
|
minsize = 1,
|
|
maxsize = 3
|
|
}),
|
|
exp = now + time
|
|
}
|
|
end
|