mirror of
https://github.com/FaceDeer/dfcaverns.git
synced 2024-12-25 18:30:36 +01:00
111 lines
2.9 KiB
Lua
111 lines
2.9 KiB
Lua
looped_node_sound = {}
|
|
|
|
looped_node_sound.register = function(def)
|
|
local handles = {}
|
|
local timer = 0
|
|
|
|
-- Parameters
|
|
local radius = def.radius or 8 -- node search radius around player
|
|
local cycle = def.cycle_time or 3 -- Cycle time for sound updates
|
|
assert(def.node_list, "[looped_sound_node] register function called without a node_list in its definition")
|
|
assert(def.sound, "[looped_sound_node] register function called without a sound in its definition")
|
|
local node_list = def.node_list
|
|
local sound = def.sound
|
|
local gain_per_node = def.gain_per_node or 0.125
|
|
local gain_max = def.max_gain or 1.0
|
|
local max_hear_distance = def.max_hear_distance or 32
|
|
|
|
-- Update sound for player
|
|
function update_player_sound(player)
|
|
local player_name = player:get_player_name()
|
|
-- Search for nodes in radius around player
|
|
local ppos = player:get_pos()
|
|
local areamin = vector.subtract(ppos, radius)
|
|
local areamax = vector.add(ppos, radius)
|
|
local fpos, num = minetest.find_nodes_in_area(
|
|
areamin,
|
|
areamax,
|
|
node_list
|
|
)
|
|
-- Total number of nodes in radius
|
|
local total = 0
|
|
for _, count in pairs(num) do
|
|
total = total + count
|
|
end
|
|
-- Stop previous sound
|
|
if handles[player_name] then
|
|
minetest.sound_stop(handles[player_name])
|
|
end
|
|
-- If nodes
|
|
if total > 0 then
|
|
-- Find centre of node positions
|
|
local fposmid = fpos[1]
|
|
-- If more than 1 node
|
|
if #fpos > 1 then
|
|
local fposmin = areamax
|
|
local fposmax = areamin
|
|
for i = 1, #fpos do
|
|
local fposi = fpos[i]
|
|
if fposi.x > fposmax.x then
|
|
fposmax.x = fposi.x
|
|
end
|
|
if fposi.y > fposmax.y then
|
|
fposmax.y = fposi.y
|
|
end
|
|
if fposi.z > fposmax.z then
|
|
fposmax.z = fposi.z
|
|
end
|
|
if fposi.x < fposmin.x then
|
|
fposmin.x = fposi.x
|
|
end
|
|
if fposi.y < fposmin.y then
|
|
fposmin.y = fposi.y
|
|
end
|
|
if fposi.z < fposmin.z then
|
|
fposmin.z = fposi.z
|
|
end
|
|
end
|
|
fposmid = vector.divide(vector.add(fposmin, fposmax), 2)
|
|
end
|
|
-- Play sound
|
|
local handle = minetest.sound_play(sound, {
|
|
pos = fposmid,
|
|
to_player = player_name,
|
|
gain = math.min(total * gain_per_node, gain_max),
|
|
max_hear_distance = max_hear_distance,
|
|
loop = true -- In case of lag
|
|
})
|
|
-- Store sound handle for this player
|
|
if handle then
|
|
handles[player_name] = handle
|
|
else
|
|
handles[player_name] = nil
|
|
end
|
|
else
|
|
handles[player_name] = nil
|
|
end
|
|
end
|
|
|
|
-- Cycle for updating players sounds
|
|
minetest.register_globalstep(function(dtime)
|
|
timer = timer + dtime
|
|
if timer < cycle then
|
|
return
|
|
end
|
|
|
|
timer = 0
|
|
local players = minetest.get_connected_players()
|
|
for n = 1, #players do
|
|
update_player_sound(players[n])
|
|
end
|
|
end)
|
|
|
|
-- Stop sound and clear handle on player leave
|
|
minetest.register_on_leaveplayer(function(player)
|
|
local player_name = player:get_player_name()
|
|
if handles[player_name] then
|
|
minetest.sound_stop(handles[player_name])
|
|
handles[player_name] = nil
|
|
end
|
|
end)
|
|
end |