mirror of
https://github.com/minetest/minetest_game.git
synced 2024-11-17 23:38:14 +01:00
113 lines
2.4 KiB
Lua
113 lines
2.4 KiB
Lua
-- Parameters
|
|
|
|
-- Node search radius around player
|
|
local radius = 8
|
|
|
|
local allsounds = {
|
|
["env_sounds_water"] = {
|
|
trigger = {"default:water_flowing", "default:river_water_flowing"},
|
|
base_volume = 0.04,
|
|
max_volume = 0.4,
|
|
per_node = 0.004,
|
|
},
|
|
["env_sounds_lava"] = {
|
|
trigger = {"default:lava_source", "default:lava_flowing"},
|
|
base_volume = 0,
|
|
max_volume = 0.6,
|
|
per_node = {
|
|
["default:lava_source"] = 0.008,
|
|
["default:lava_flowing"] = 0.002,
|
|
},
|
|
},
|
|
}
|
|
|
|
if minetest.settings:get_bool("river_source_sounds") then
|
|
table.insert(allsounds["env_sounds_water"].trigger,
|
|
"default:river_water_source")
|
|
end
|
|
|
|
|
|
-- Cache the union of all trigger nodes
|
|
|
|
local cache_triggers = {}
|
|
|
|
for sound, def in pairs(allsounds) do
|
|
for _, name in ipairs(def.trigger) do
|
|
table.insert(cache_triggers, name)
|
|
end
|
|
end
|
|
|
|
|
|
-- Update sound for player
|
|
|
|
local function update_sound(player)
|
|
local player_name = player:get_player_name()
|
|
local ppos = player:get_pos()
|
|
ppos = vector.add(ppos, player:get_properties().eye_height)
|
|
local areamin = vector.subtract(ppos, radius)
|
|
local areamax = vector.add(ppos, radius)
|
|
|
|
local pos = minetest.find_nodes_in_area(areamin, areamax, cache_triggers, true)
|
|
if next(pos) == nil then -- If table empty
|
|
return
|
|
end
|
|
for sound, def in pairs(allsounds) do
|
|
-- Find average position
|
|
local posav = {0, 0, 0}
|
|
local count = 0
|
|
for _, name in ipairs(def.trigger) do
|
|
if pos[name] then
|
|
for _, p in ipairs(pos[name]) do
|
|
posav[1] = posav[1] + p.x
|
|
posav[2] = posav[2] + p.y
|
|
posav[3] = posav[3] + p.z
|
|
end
|
|
count = count + #pos[name]
|
|
end
|
|
end
|
|
|
|
if count > 0 then
|
|
posav = vector.new(posav[1] / count, posav[2] / count,
|
|
posav[3] / count)
|
|
|
|
-- Calculate gain
|
|
local gain = def.base_volume
|
|
if type(def.per_node) == 'table' then
|
|
for name, multiplier in pairs(def.per_node) do
|
|
if pos[name] then
|
|
gain = gain + #pos[name] * multiplier
|
|
end
|
|
end
|
|
else
|
|
gain = gain + count * def.per_node
|
|
end
|
|
gain = math.min(gain, def.max_volume)
|
|
|
|
minetest.sound_play(sound, {
|
|
pos = posav,
|
|
to_player = player_name,
|
|
gain = gain,
|
|
}, true)
|
|
end
|
|
end
|
|
end
|
|
|
|
|
|
-- Update sound when player joins
|
|
|
|
minetest.register_on_joinplayer(function(player)
|
|
update_sound(player)
|
|
end)
|
|
|
|
|
|
-- Cyclic sound update
|
|
|
|
local function cyclic_update()
|
|
for _, player in pairs(minetest.get_connected_players()) do
|
|
update_sound(player)
|
|
end
|
|
minetest.after(3.5, cyclic_update)
|
|
end
|
|
|
|
minetest.after(0, cyclic_update)
|