mesecons/mesecons_noteblock/init.lua

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minetest.register_node("mesecons_noteblock:noteblock", {
description = "Noteblock",
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tiles = {"mesecons_noteblock.png"},
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is_ground_content = false,
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groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2},
on_punch = function(pos, node) -- change sound when punched
node.param2 = (node.param2+1)%12
mesecon.noteblock_play(pos, node.param2)
minetest.set_node(pos, node)
end,
sounds = default.node_sound_wood_defaults(),
mesecons = {effector = { -- play sound when activated
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action_on = function(pos, node)
mesecon.noteblock_play(pos, node.param2)
end
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}},
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place_param2 = 11, -- initialize at C note
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on_blast = mesecon.on_blastnode,
})
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minetest.register_craft({
output = "mesecons_noteblock:noteblock 1",
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recipe = {
{"group:wood", "group:wood", "group:wood"},
{"group:mesecon_conductor_craftable", "default:steel_ingot", "group:mesecon_conductor_craftable"},
{"group:wood", "group:wood", "group:wood"},
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}
})
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local soundnames = {
[0] = "mesecons_noteblock_csharp",
"mesecons_noteblock_d",
"mesecons_noteblock_dsharp",
"mesecons_noteblock_e",
"mesecons_noteblock_f",
"mesecons_noteblock_fsharp",
"mesecons_noteblock_g",
"mesecons_noteblock_gsharp",
"mesecons_noteblock_a",
"mesecons_noteblock_asharp",
"mesecons_noteblock_b",
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"mesecons_noteblock_c" -- << noteblock is initialized here
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}
local node_sounds = {
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["default:lava_source"] = "fire_fire",
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["default:chest"] = "mesecons_noteblock_snare",
["default:chest_locked"] = "mesecons_noteblock_snare",
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["default:coalblock"] = "tnt_explode",
["default:glass"] = "mesecons_noteblock_hihat",
["default:obsidian_glass"] = "mesecons_noteblock_hihat",
}
local node_sounds_group = {
["stone"] = "mesecons_noteblock_kick",
["tree"] = "mesecons_noteblock_crash",
["wood"] = "mesecons_noteblock_litecrash",
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}
mesecon.noteblock_play = function(pos, param2)
pos.y = pos.y-1
local nodeunder = minetest.get_node(pos).name
local soundname = node_sounds[nodeunder]
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local use_pitch = true
local pitch
-- Special sounds
if not soundname then
for k,v in pairs(node_sounds_group) do
local g = minetest.get_item_group(nodeunder, k)
if g ~= 0 then
soundname = v
break
end
end
end
-- Piano
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if not soundname then
soundname = soundnames[param2]
if not soundname then
minetest.log("error", "[mesecons_noteblock] No soundname found, test param2")
return
end
if nodeunder == "default:steelblock" then
soundname = soundname.. 2
end
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use_pitch = false
end
-- Disable pitch for fire and explode because they'd sound too odd
if soundname == "fire_fire" or soundname == "tnt_explode" then
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use_pitch = false
end
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if use_pitch then
-- Calculate pitch
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-- Adding 1 to param2 because param2=11 is *lowest* pitch sound
local val = (param2+1)%12
-- All semitones from C to B (analog to piano mode)
pitch = 2^((val-6)/12)
end
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pos.y = pos.y+1
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if soundname == "fire_fire" then
-- Smoothly fade out fire sound
local handle = minetest.sound_play(soundname, {pos = pos, loop = true})
minetest.after(3.0, minetest.sound_fade, handle, -1.5, 0.0)
else
minetest.sound_play(soundname, {pos = pos, pitch = pitch}, true)
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end
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end