climate_api/ca_effects/sound.lua

82 lines
2.4 KiB
Lua

if not climate_mod.settings.sound then return end
local EFFECT_NAME = "climate_api:sound"
local FADE_DURATION = climate_api.LONG_CYCLE
local handles = {}
local removables = {}
local function end_sound(pname, weather, sound)
if removables[pname] == nil
or removables[pname][weather] == nil then return end
local handle = removables[pname][weather]
minetest.sound_stop(handle)
removables[pname][weather] = nil
end
local function start_sound(pname, weather, sound)
local handle
if handles[pname] == nil then handles[pname] = {} end
if handles[pname][weather] ~= nil then return end
if removables[pname] == nil or removables[pname][weather] == nil then
handle = minetest.sound_play(sound.name, {
to_player = pname,
loop = true,
gain = 0
})
else
handle = removables[pname][weather]
removables[pname][weather] = nil
end
minetest.sound_fade(handle, sound.gain / FADE_DURATION, sound.gain)
handles[pname][weather] = handle
end
local function stop_sound(pname, weather, sound)
if handles[pname] == nil or handles[pname][weather] == nil then return end
local handle = handles[pname][weather]
minetest.sound_fade(handle, -sound.gain / FADE_DURATION, 0)
if removables[pname] == nil then removables[pname] = {} end
removables[pname][weather] = handle
handles[pname][weather] = nil
minetest.after(FADE_DURATION, end_sound, pname, weather, sound)
end
local function start_effect(player_data)
for playername, data in pairs(player_data) do
for weather, value in pairs(data) do
start_sound(playername, weather, value)
end
end
end
local function handle_effect(player_data, prev_data)
for playername, data in pairs(player_data) do
for weather, value in pairs(data) do
if prev_data[playername][weather] == nil then
start_sound(playername, weather, value)
end
end
end
for playername, data in pairs(prev_data) do
for weather, value in pairs(data) do
if player_data[playername][weather] == nil then
stop_sound(playername, weather, value)
end
end
end
end
local function stop_effect(prev_data)
minetest.log(dump2(prev_data, "stop_effect"))
for playername, data in pairs(prev_data) do
for weather, value in pairs(data) do
stop_sound(playername, weather, value)
end
end
end
climate_api.register_effect(EFFECT_NAME, start_effect, "start")
climate_api.register_effect(EFFECT_NAME, handle_effect, "tick")
climate_api.register_effect(EFFECT_NAME, stop_effect, "stop")
climate_api.set_effect_cycle(EFFECT_NAME, climate_api.MEDIUM_CYCLE)