-- LV Music player.
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-- The player can play music. But it is high ampage!
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local S = technic.getter
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minetest.register_alias("music_player", "technic:music_player")
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minetest.register_craft({
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output = 'technic:music_player',
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recipe = {
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{'technic:chromium_ingot', 'default:diamond', 'technic:chromium_ingot'},
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{'default:diamond', 'technic:machine_casing', 'default:diamond'},
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{'default:mossycobble', 'technic:lv_cable0', 'default:mossycobble'},
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}
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})
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local music_handles = {}
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local function play_track(pos, track)
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return minetest.sound_play("technic_track"..tostring(track),
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{pos = pos, gain = 1.0, loop = true, max_hear_distance = 72,})
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end
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local run = function(pos, node)
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local meta = minetest.get_meta(pos)
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local eu_input = meta:get_int("LV_EU_input")
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local machine_name = S("%s Music Player"):format("LV")
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local machine_node = "technic:music_player"
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local demand = 150
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local current_track = meta:get_int("current_track")
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local pos_hash = minetest.hash_node_position(pos)
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local music_handle = music_handles[pos_hash]
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-- Setup meta data if it does not exist.
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if not eu_input then
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meta:set_int("LV_EU_demand", demand)
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meta:set_int("LV_EU_input", 0)
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return
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end
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if meta:get_int("active") == 0 then
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meta:set_string("infotext", S("%s Idle"):format(machine_name))
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meta:set_int("LV_EU_demand", 0)
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return
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end
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if eu_input < demand then
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meta:set_string("infotext", S("%s Unpowered"):format(machine_name))
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if music_handle then
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minetest.sound_stop(music_handle)
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music_handle = nil
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end
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elseif eu_input >= demand then
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meta:set_string("infotext", S("%s Active"):format(machine_name))
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if not music_handle then
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music_handle = play_track(pos, current_track)
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end
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end
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music_handles[pos_hash] = music_handle
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meta:set_int("LV_EU_demand", demand)
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end
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local function stop_player(pos, node)
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local pos_hash = minetest.hash_node_position(pos)
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local music_handle = music_handles[pos_hash]
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if music_handle then
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minetest.sound_stop(music_handle)
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music_handles[pos_hash] = nil
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end
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end
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local function set_display(meta)
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meta:set_string("formspec",
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"size[4,4.5]"..
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"item_image[0,0;1,1;technic:music_player]"..
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"label[1,0;"..S("%s Music Player"):format("LV").."]"..
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"button[0,1;1,1;track1;1]"..
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"button[1,1;1,1;track2;2]"..
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"button[2,1;1,1;track3;3]"..
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"button[0,2;1,1;track4;4]"..
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"button[1,2;1,1;track5;5]"..
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"button[2,2;1,1;track6;6]"..
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"button[0,3;1,1;track7;7]"..
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"button[1,3;1,1;track8;8]"..
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"button[2,3;1,1;track9;9]"..
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"button[3,1;1,1;stop;Stop]"..
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"label[0,4;"..minetest.formspec_escape(
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meta:get_int("active") == 0 and
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S("Stopped") or
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S("Current track %s"):format(meta:get_int("current_track"))).."]")
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end
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minetest.register_node("technic:music_player", {
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description = S("%s Music Player"):format("LV"),
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tiles = {"technic_music_player_top.png", "technic_machine_bottom.png", "technic_music_player_side.png",
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"technic_music_player_side.png", "technic_music_player_side.png", "technic_music_player_side.png"},
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groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1},
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sounds = default.node_sound_wood_defaults(),
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("infotext", S("%s Music Player"):format("LV"))
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set_display(meta)
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end,
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on_receive_fields = function(pos, formanme, fields, sender)
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local new_track = nil
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if fields.stop then new_track = 0 end
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if fields.track1 then new_track = 1 end
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if fields.track2 then new_track = 2 end
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if fields.track3 then new_track = 3 end
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if fields.track4 then new_track = 4 end
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if fields.track5 then new_track = 5 end
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if fields.track6 then new_track = 6 end
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if fields.track7 then new_track = 7 end
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if fields.track8 then new_track = 8 end
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if fields.track9 then new_track = 9 end
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if new_track then
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stop_player(pos)
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local meta = minetest.get_meta(pos)
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meta:set_int("active", new_track == 0 and 0 or 1)
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meta:set_int("current_track", new_track)
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set_display(meta)
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end
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end,
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on_destruct = stop_player,
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technic_run = run,
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technic_on_disable = stop_player,
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})
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technic.register_machine("LV", "technic:music_player", technic.receiver)
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