66 lines
1.4 KiB
Lua
66 lines
1.4 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
|
|
local math, minetest, nodecore
|
|
= math, minetest, nodecore
|
|
local math_random
|
|
= math.random
|
|
-- LUALOCALS > ---------------------------------------------------------
|
|
|
|
function nodecore.register_ambiance(def)
|
|
local max = def.queue_max or 100
|
|
local rate = 1 / (def.queue_rate or 20)
|
|
|
|
local seen = {}
|
|
local queue = {}
|
|
local total = 0
|
|
|
|
local batch
|
|
local time = 0
|
|
minetest.register_globalstep(function(dtime)
|
|
time = time + dtime
|
|
while time > rate do
|
|
if not batch then
|
|
if #queue < 1 then return end
|
|
batch = queue
|
|
queue = {}
|
|
total = 0
|
|
seen = {}
|
|
end
|
|
|
|
local opts = batch[#batch]
|
|
batch[#batch] = nil
|
|
if #batch < 1 then batch = nil end
|
|
|
|
opts.name = opts.name or def.sound_name
|
|
opts.gain = opts.gain or def.sound_gain
|
|
minetest.sound_play(opts.name, opts)
|
|
|
|
time = time - rate
|
|
end
|
|
end)
|
|
|
|
def.action = function(pos)
|
|
local hash = minetest.hash_node_position(pos)
|
|
if seen[hash] then return end
|
|
seen[hash] = true
|
|
local opts
|
|
if def.check then
|
|
opts = def.check(pos)
|
|
if not opts then return end
|
|
else
|
|
opts = {}
|
|
end
|
|
opts.pos = pos
|
|
if #queue < max then
|
|
queue[#queue + 1] = opts
|
|
else
|
|
local r = math_random(1, total + 1)
|
|
if r <= #queue then
|
|
queue[r] = opts
|
|
end
|
|
end
|
|
total = total + 1
|
|
end
|
|
|
|
return nodecore.register_limited_abm(def)
|
|
end
|