technic/technic/machines/LV/music_player.lua

150 lines
4.8 KiB
Lua

-- LV Music player.
-- The player can play music. But it is high ampage!
local S = technic.getter
minetest.register_alias("music_player", "technic:music_player")
minetest.register_craft({
output = 'technic:music_player',
recipe = {
{'group:wood', 'group:wood', 'group:wood'},
{'default:diamond', 'default:diamond', 'default:diamond'},
{'default:stone', 'default:copper_ingot', 'default:stone'},
}
})
local music_handles = {}
local music_player_formspec =
"invsize[8,9;]"..
"label[0,0;"..S("Music Player").."]"..
"button[4,1;1,1;track1;1]"..
"button[5,1;1,1;track2;2]"..
"button[6,1;1,1;track3;3]"..
"button[4,2;1,1;track4;4]"..
"button[5,2;1,1;track5;5]"..
"button[6,2;1,1;track6;6]"..
"button[4,3;1,1;track7;7]"..
"button[5,3;1,1;track8;8]"..
"button[6,3;1,1;track9;9]"..
"button[4,4;1,2;play;Play]"..
"button[6,4;1,2;stop;Stop]"..
"label[4,0;"..S("Current track %s"):format("--").."]"
local function play_track(pos, track)
return minetest.sound_play("technic_track"..tostring(track),
{pos = pos, gain = 1.0, loop = true, max_hear_distance = 72,})
end
minetest.register_node("technic:music_player", {
description = S("Music Player"),
tiles = {"technic_music_player_top.png", "technic_machine_bottom.png", "technic_music_player_side.png",
"technic_music_player_side.png", "technic_music_player_side.png", "technic_music_player_side.png"},
groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
sounds = default.node_sound_wood_defaults(),
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_string("infotext", S("Music Player"))
meta:set_int("active", 0)
meta:set_int("current_track", 1)
meta:set_string("formspec", music_player_formspec)
end,
on_receive_fields = function(pos, formanme, fields, sender)
local meta = minetest.get_meta(pos)
local pos_hash = minetest.hash_node_position(pos)
local music_handle = music_handles[pos_hash]
local current_track = meta:get_int("current_track")
if fields.track1 then current_track = 1 end
if fields.track2 then current_track = 2 end
if fields.track3 then current_track = 3 end
if fields.track4 then current_track = 4 end
if fields.track5 then current_track = 5 end
if fields.track6 then current_track = 6 end
if fields.track7 then current_track = 7 end
if fields.track8 then current_track = 8 end
if fields.track9 then current_track = 9 end
meta:set_int("current_track", current_track)
meta:set_string("formspec",
"invsize[8,9;]"..
"label[0,0;"..S("Music Player").."]"..
"button[4,1;1,1;track1;1]"..
"button[5,1;1,1;track2;2]"..
"button[6,1;1,1;track3;3]"..
"button[4,2;1,1;track4;4]"..
"button[5,2;1,1;track5;5]"..
"button[6,2;1,1;track6;6]"..
"button[4,3;1,1;track7;7]"..
"button[5,3;1,1;track8;8]"..
"button[6,3;1,1;track9;9]"..
"button[4,4;1,2;play;Play]"..
"button[6,4;1,2;stop;Stop]"..
"label[4,0;"..S("Current track %s")
:format(current_track).."]")
if fields.play then
if music_handle then
minetest.sound_stop(music_handle)
end
music_handle = play_track(pos, current_track)
meta:set_int("active", 1)
end
if fields.stop then
meta:set_int("active", 0)
if music_handle then
minetest.sound_stop(music_handle)
end
end
music_handles[pos_hash] = music_handle
end,
})
minetest.register_abm({
nodenames = {"technic:music_player"},
interval = 1,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
local meta = minetest.get_meta(pos)
local eu_input = meta:get_int("LV_EU_input")
local machine_name = S("Music Player")
local machine_node = "technic:music_player"
local demand = 150
local current_track = meta:get_int("current_track")
local pos_hash = minetest.hash_node_position(pos)
local music_handle = music_handles[pos_hash]
-- Setup meta data if it does not exist.
if not eu_input then
meta:set_int("LV_EU_demand", demand)
meta:set_int("LV_EU_input", 0)
return
end
-- Power off automatically if no longer connected to a switching station
technic.switching_station_timeout_count(pos, "LV")
if meta:get_int("active") == 0 then
meta:set_string("infotext", S("%s Idle"):format(machine_name))
meta:set_int("LV_EU_demand", 0)
return
end
if eu_input < demand then
meta:set_string("infotext", S("%s Unpowered"):format(machine_name))
if music_handle then
minetest.sound_stop(music_handle)
music_handle = nil
end
elseif eu_input >= demand then
meta:set_string("infotext", S("%s Active"):format(machine_name))
if not music_handle then
music_handle = play_track(pos, current_track)
end
end
music_handles[pos_hash] = music_handle
meta:set_int("LV_EU_demand", demand)
end
})
technic.register_machine("LV", "technic:music_player", technic.receiver)