mirror of
https://github.com/20kdc/OC-KittenOS.git
synced 2024-11-09 03:58:08 +11:00
350 lines
9.3 KiB
Lua
350 lines
9.3 KiB
Lua
-- This is released into the public domain.
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-- No warranty is provided, implied or otherwise.
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-- app-nbcompose.lua : Music!
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-- Authors: 20kdc
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local nb = neo.requireAccess("c.iron_noteblock", "noteblocks").list()()
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local ic = neo.requireAccess("x.neo.pub.base", "fs")
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local event = require("event")(neo)
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local neoux = require("neoux")(event, neo)
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local iTranslation = {
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[0] = 0, -- piano / air (def)
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4, -- double bass / wood (def)
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1, -- bass drum / stone (def)
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2, -- snare drum / sand (def)
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3, -- click / glass (def)
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-- JUST GIVE UP
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4, -- guitar / wool
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5, -- flute / clay
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6, -- bell / gold
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6, -- chime / pice
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6, -- xylo / bone
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}
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local instKey = {
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[2] = 0,
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[3] = 1,
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[4] = 2,
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[5] = 3,
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[6] = 4,
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[144] = 5,
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[7] = 5,
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[8] = 6,
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[9] = 7,
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[10] = 8,
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[11] = 9
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}
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local noteKey = "1q2w3er5t6yu8i9o0pzsxdcvg"
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-- Application State
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local fileData
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local uptime = os.uptime()
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local songPosition = 0
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local selectionL, selectionR = -8, -9
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local running = true
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local playing = false
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local timerExistsFlag = false
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local window
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local defInst = 0
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--
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local tick -- Tick function for timer making
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local file = require("knbs").new()
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-- Window width is always 50. Height is layers + 3, for the top bar.
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local theStatusBar, theNotePane, genMain
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local function updateStatusAndPane()
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if theStatusBar.update then theStatusBar.update(window) end
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if theNotePane then
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for _, v in ipairs(theNotePane) do
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v.update(window)
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end
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end
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end
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local function commonKey(a, c, f)
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if a == 32 then
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playing = not playing
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theStatusBar.update(window)
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if playing then
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if not timerExistsFlag then
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uptime = os.uptime()
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event.runAt(uptime, tick)
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timerExistsFlag = true
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end
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end
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elseif a == 91 then
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selectionL = songPosition
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updateStatusAndPane()
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elseif a == 93 then
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selectionR = songPosition
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updateStatusAndPane()
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elseif c == 203 and (f.shift or f.rshift) then
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songPosition = 0
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updateStatusAndPane()
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elseif c == 205 and (f.shift or f.rshift) then
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songPosition = file.length
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updateStatusAndPane()
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elseif c == 203 then
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songPosition = math.max(0, songPosition - 1)
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updateStatusAndPane()
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elseif c == 205 then
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songPosition = songPosition + 1
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updateStatusAndPane()
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end
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end
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theStatusBar = {
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x = 1,
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y = 3,
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w = 50,
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h = 1,
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selectable = true,
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line = function (window, x, y, lined, bg, fg, selected)
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if selected then
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bg, fg = fg, bg
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end
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window.span(x, y, ((playing and "Playing") or "Paused") .. " (SPACE) ; " .. (songPosition + 1) .. "/" .. file.length .. " ([Shift-]←/→)", bg, fg)
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end,
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key = function (window, update, a, c, d, f)
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if not d then return end
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commonKey(a, c, f)
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end
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}
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local function genLayers()
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theStatusBar.update = nil
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theNotePane = nil
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local layers = {}
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for i = 1, file.height do
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local layer = i - 1
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table.insert(layers, neoux.tcfield(1, i + 1, 40, function (tx)
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file.layers[layer][1] = tx or file.layers[layer][1]
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return file.layers[layer][1]
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end))
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table.insert(layers, neoux.tcrawview(42, i + 1, {"Vol."}))
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table.insert(layers, neoux.tcfield(46, i + 1, 5, function (tx)
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if tx then
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file.layers[layer][2] = math.max(0, math.min(255, math.floor(tonumber(tx) or 0)))
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end
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return tostring(file.layers[layer][2])
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end))
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end
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return 50, file.height + 1, nil, neoux.tcwindow(50, file.height + 1, {
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neoux.tcbutton(1, 1, "Purge Extra Layers", function (w)
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local knbs = require("knbs")
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local layerCount = knbs.correctSongLH(file)
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knbs.resizeLayers(file, layerCount)
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w.reset(genLayers())
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end),
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neoux.tcbutton(21, 1, "Del.Last", function (w)
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require("knbs").resizeLayers(file, file.height - 1)
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w.reset(genLayers())
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end),
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neoux.tcbutton(31, 1, "Append", function (w)
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require("knbs").resizeLayers(file, file.height + 1)
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w.reset(genLayers())
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end),
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table.unpack(layers)
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}, function (w)
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w.reset(genMain())
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end, 0xFFFFFF, 0)
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end
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function genMain()
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theNotePane = {}
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for l = 1, file.height do
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local layer = l - 1
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theNotePane[l] = {
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x = 1,
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y = 3 + l,
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w = 50,
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h = 1,
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selectable = true,
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line = function (window, x, y, lined, bg, fg, selected)
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if selected then
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bg, fg = fg, bg
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end
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local text = ""
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for i = 1, 5 do
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local noteL, noteR = " ", " "
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local tick = songPosition + i - 3
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if songPosition == tick then
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noteL = "["
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noteR = "]"
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end
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if selectionR >= selectionL then
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if selectionL == tick then
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noteL = "{"
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end
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if selectionR == tick then
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noteR = "}"
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end
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end
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text = text .. noteL
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local fd = file.ticks[tick]
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fd = fd and fd[layer]
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if fd then
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text = text .. string.format(" %02i/%02i", fd[1], fd[2])
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else
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text = text .. " "
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end
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text = text .. noteR
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end
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window.span(x, y, text, bg, fg)
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end,
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key = function (window, update, a, c, d, f)
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if not d then return end
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commonKey(a, c, f)
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if a == 8 then
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if file.ticks[songPosition] then
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file.ticks[songPosition][layer] = nil
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require("knbs").correctSongLH(file)
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update()
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theStatusBar.update(window)
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end
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elseif instKey[c] and (f.shift or f.rshift) then
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file.ticks[songPosition] = file.ticks[songPosition] or {}
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defInst = instKey[c]
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local nt = 45
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if file.ticks[songPosition][layer] then
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file.ticks[songPosition][layer][1] = defInst
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nt = file.ticks[songPosition][layer][2]
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end
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if nb then
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nb.playNote(iTranslation[defInst] or 0, nt - 33, file.layers[layer][2] / 100)
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end
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require("knbs").correctSongLH(file)
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update()
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theStatusBar.update(window)
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elseif a >= 0 and a < 256 and noteKey:find(string.char(a), 1, true) then
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file.ticks[songPosition] = file.ticks[songPosition] or {}
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local note = noteKey:find(string.char(a), 1, true) - 1
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file.ticks[songPosition][layer] = {defInst, note + 33}
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if nb then
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nb.playNote(iTranslation[defInst] or 0, note, file.layers[layer][2] / 100)
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end
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require("knbs").correctSongLH(file)
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update()
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theStatusBar.update(window)
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elseif a == 123 then
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if selectionR >= selectionL then
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local storage = {}
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for i = selectionL, selectionR do
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storage[i] = file.ticks[i] and file.ticks[i][layer] and {table.unpack(file.ticks[i][layer])}
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end
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for i = selectionL, selectionR do
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local p = songPosition + (i - selectionL)
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file.ticks[p] = file.ticks[p] or {}
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file.ticks[p][layer] = storage[i]
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end
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require("knbs").correctSongLH(file)
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update()
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theStatusBar.update(window)
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end
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end
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end
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}
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end
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-- We totally lie about the height here to tcwindow. "Bit of a cheat, but who's counting", anyone?
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-- It is explicitly documented that the width and height are for background drawing, BTW.
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return 50, file.height + 3, nil, neoux.tcwindow(50, 3, {
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neoux.tcfield(1, 1, 20, function (tx)
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file.name = tx or file.name
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return file.name
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end),
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neoux.tcfield(21, 1, 15, function (tx)
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file.transcriptor = tx or file.transcriptor
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return file.transcriptor
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end),
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neoux.tcfield(36, 1, 15, function (tx)
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file.songwriter = tx or file.songwriter
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return file.songwriter
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end),
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neoux.tcbutton(1, 2, "New", function (w)
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file = require("knbs").new()
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songPosition = 0
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playing = false
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window.reset(genMain())
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end),
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neoux.tcbutton(6, 2, "Load", function (w)
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neoux.fileDialog(false, function (f)
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if not f then return end
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file = nil
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file = require("knbs").deserialize(f.read("*a"))
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f.close()
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songPosition = 0
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playing = false
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window.reset(genMain())
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end)
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end),
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neoux.tcbutton(12, 2, "Save", function (w)
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neoux.fileDialog(true, function (f)
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if not f then return end
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require("knbs").serialize(file, f.write)
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f.close()
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end)
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end),
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neoux.tcbutton(18, 2, "Ds.L", function (w)
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neoux.fileDialog(false, function (f)
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if not f then return end
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file.description = f.read("*a")
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f.close()
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end)
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end),
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neoux.tcbutton(24, 2, "Ds.S", function (w)
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neoux.fileDialog(true, function (f)
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if not f then return end
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f.write(file.description)
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f.close()
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end)
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end),
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neoux.tcbutton(30, 2, "Layers", function (w)
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window.reset(genLayers())
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end),
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neoux.tcrawview(39, 2, {"cT/S"}),
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neoux.tcfield(43, 2, 8, function (tx)
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if tx then
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local txn = tonumber(tx) or 0
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file.tempo = math.min(math.max(0, math.floor(txn)), 65535)
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end
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return tostring(file.tempo)
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end),
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theStatusBar,
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table.unpack(theNotePane)
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}, function (w)
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w.close()
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running = false
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end, 0xFFFFFF, 0)
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end
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function tick()
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if playing then
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-- Stop the user from entering such a low tempo that stuff freezes by:
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-- 1. Stopping tempo from going too low to cause /0
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-- 2. Ensuring timer is at most 1 second away
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local temp = 1 / math.max(file.tempo / 100, 0.01)
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if os.uptime() >= uptime + temp then
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-- execute at this song position
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if file.ticks[songPosition] and nb then
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for i = 0, file.height - 1 do
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local tck = file.ticks[songPosition][i]
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if tck then
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nb.playNote(iTranslation[tck[1]] or 0, tck[2] - 33, file.layers[i][2] / 100)
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end
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end
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end
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songPosition = songPosition + 1
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if songPosition >= file.length then songPosition = 0 end
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updateStatusAndPane()
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uptime = uptime + temp
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end
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event.runAt(math.min(os.uptime() + 1, uptime + temp), tick)
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else
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timerExistsFlag = false
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end
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end
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window = neoux.create(genMain())
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while running do event.pull() end
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