Rhythmblock/rhythmblock.lua

204 lines
6.9 KiB
Lua

--[[
Rhythmblock - a graphical music player for CC: Tweaked
(c) 2021 mint <they@mint.lgbt>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
--]]
-- Change these lines to change the GUI colors.
accentColor = colors.gray
buttonColor = colors.lightGray
textColor = colors.lightGray
backgroundColor = colors.black
-- Code starts from here
function round(n) -- We need a function to round the center of the terminal
return n % 1 >= 0.5 and math.ceil(n) or math.floor(n)
end
width, height = term.getSize() -- Gets the terminal size to determine the center
centerWidth = round(width / 2) -- Defines the horizontal center
centerHeight = round(height / 2) -- Defines the vertical center
if arg[1] == nil then
peripherals = peripheral.getNames() -- Gets peripherals to check if any disk drives are available
if #peripherals == 0 then
term.setTextColor(colors.red)
print("No drive")
return false -- Exits if there's no disk drive
else
driveCount = 0
for n = 1, #peripherals do
local driveCheck = peripherals[n]
if peripheral.getType(driveCheck) == "drive" then
drive = driveCheck
driveCount = driveCount + 1
end
end
if driveCount > 1 then
term.setTextColor(colors.red)
print("Too many disk drives. Specify where the desired disk drive is located by running 'rhythmblock [drive position]'") -- For safety reasons
return false
elseif driveCount == 0 then
term.setTextColor(colors.red)
print("No drive")
return false -- Exits if there's no disk drive
end
end
else
drive = arg[1]
end
--[[ Instead of calling every status by string, we call the variables storing the strings. This may ease translation if we plan to do so in the future.
]]
defaultStatus = "Rhythmblock"
invalidFormatStatus = "Not a music disc"
noDiscStatus = "No disc"
noAudioStatus = "No audio is playing"
ejectText = "Eject"
function playDisc()
term.clear()
if disk.isPresent(drive) and disk.hasAudio(drive) then -- Determines if there's a disc or not and if it's a music disc
disk.playAudio(drive)
buttonRender(true)
playing = true
status = disk.getAudioTitle(drive)
buttonRender(true)
elseif disk.isPresent(drive) then
status = invalidFormatStatus
buttonRender(false)
else -- If none of these checks are passed then it just means there's no disc in the drive.
status = noDiscStatus
buttonRender(false)
end
end
function ejectDisc() -- Ejects the disc! How cool is that?
term.clear()
buttonRender(false)
if playing then
stopDisc()
disk.eject(drive)
elseif disk.isPresent(drive) then -- If there's a disc, it'll be ejected.
disk.eject(drive)
else -- If not it'll report there's no disc.
status = noDiscStatus
end
end
function stopDisc() -- Stops the music
playing = false
status = defaultStatus
disk.stopAudio(drive)
term.clear()
buttonRender(false)
end
function renderPlayButton() -- Renders the Play button
paintutils.drawFilledBox(centerWidth - 4, centerHeight - 4, centerWidth + 4, centerHeight + 2, accentColor)
paintutils.drawFilledBox(centerWidth - 2, centerHeight - 3, centerWidth - 1, centerHeight + 1, buttonColor)
paintutils.drawFilledBox(centerWidth, centerHeight - 2, centerWidth + 1, centerHeight, buttonColor)
paintutils.drawPixel(centerWidth + 2, centerHeight - 1, buttonColor)
end
function renderStopButton() -- Renders the Stop button
paintutils.drawFilledBox(centerWidth - 4, centerHeight - 4, centerWidth + 4, centerHeight + 2, accentColor)
paintutils.drawFilledBox(centerWidth - 2, centerHeight - 3, centerWidth + 2, centerHeight + 1, buttonColor)
end
function renderEjectButton() -- Renders the Eject button
paintutils.drawLine(centerWidth - 3, centerHeight + 4, centerWidth + 3, centerHeight + 4, accentColor)
term.setTextColor(buttonColor)
term.setCursorPos(centerWidth - 2, centerHeight + 4)
term.write(ejectText)
end
function renderCloseButton() -- Renders the Close button
term.setCursorPos(width - 1, 1)
term.setTextColor(textColor)
term.setBackgroundColor(backgroundColor)
term.write(" x")
end
function buttonRender(play) -- Render some buttons depending if the computer is advanced or not
if play then
renderStopButton()
else
renderPlayButton()
end
if term.isColour() then
renderEjectButton()
renderCloseButton()
end
end
function statusRender(s) -- Renders the status bar
term.setCursorPos(1, 1)
term.setTextColor(textColor)
term.setBackgroundColor(backgroundColor)
term.write(s)
end
term.clear()
term.setBackgroundColor(backgroundColor) -- Setting the background color
buttonRender(false)
status = defaultStatus -- Setting the value to the default
while true do
statusRender(status) -- Renders the status
if term.isColour() then -- Renders the close button (if the song title is too long, the close button kind of disappears)
renderCloseButton()
end
local eventData = {os.pullEvent()}
local event = eventData[1]
if event == "mouse_up" then -- If the event triggered is the mouse clicking it'll do what's next
if eventData[2] == 1 and eventData[3] >= centerWidth - 4 and eventData[4] >= centerHeight - 4 and eventData[3] <= centerWidth + 4 and eventData[4] <= centerHeight + 2 then -- If the user clicks on the play/stop button it'll begin playing the disc
if playing then
stopDisc()
else
playDisc()
end
elseif eventData[2] == 1 and eventData[3] >= centerWidth - 2 and eventData[4] >= centerHeight + 4 and eventData[3] <= centerWidth + 2 and eventData[4] <= centerHeight + 4 then -- If the user clicks on the eject button it'll eject the disc
ejectDisc()
elseif eventData[2] == 1 and eventData[3] == width and eventData[4] == 1 then -- If the user presses the X it'll quit
stopDisc()
term.clear()
term.setCursorPos(1, 1)
return true
end
elseif event == "key_up" then -- Same order but now with keys
local name = keys.getName(eventData[2]) or "unknown key"
if name == "space" then
if playing then
stopDisc()
else
playDisc()
end
elseif name == "e" then
ejectDisc()
elseif name == "q" then
stopDisc()
term.clear()
term.setCursorPos(1, 1)
return true
end
end
end