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WinMIDIPlayer64.bas
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WinMIDIPlayer64.bas
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'-----------------------------------------------------------------------------------------------------------------------
' QB64-PE Windows MIDI Player
' Copyright (c) 2023 Samuel Gomes
'-----------------------------------------------------------------------------------------------------------------------
'-----------------------------------------------------------------------------------------------------------------------
' HEADER FILES
'-----------------------------------------------------------------------------------------------------------------------
'$INCLUDE:'include/GraphicOps.bi'
'$INCLUDE:'include/FileOps.bi'
'$INCLUDE:'include/StringOps.bi'
'$INCLUDE:'include/Base64.bi'
'$INCLUDE:'include/ImGUI.bi'
'$INCLUDE:'include/WinMIDIPlayer.bi'
'$INCLUDE:'compactcassette.png.bi'
'$INCLUDE:'raindrop.wav.bi'
'-----------------------------------------------------------------------------------------------------------------------
'-----------------------------------------------------------------------------------------------------------------------
' METACOMMANDS
'-----------------------------------------------------------------------------------------------------------------------
$NOPREFIX
$RESIZE:SMOOTH
$EXEICON:'./WinMIDIPlayer64.ico'
$VERSIONINFO:CompanyName='Samuel Gomes'
$VERSIONINFO:FileDescription='WinMIDI Player 64 executable'
$VERSIONINFO:InternalName='WinMIDIPlayer64'
$VERSIONINFO:LegalCopyright='Copyright (c) 2023, Samuel Gomes'
$VERSIONINFO:LegalTrademarks='All trademarks are property of their respective owners'
$VERSIONINFO:OriginalFilename='WinMIDIPlayer64.exe'
$VERSIONINFO:ProductName='WinMIDI Player 64'
$VERSIONINFO:Web='https://github.com/a740g'
$VERSIONINFO:Comments='https://github.com/a740g'
$VERSIONINFO:FILEVERSION#=2,0,3,0
$VERSIONINFO:PRODUCTVERSION#=2,0,3,0
'-----------------------------------------------------------------------------------------------------------------------
'-----------------------------------------------------------------------------------------------------------------------
' CONSTANTS
'-----------------------------------------------------------------------------------------------------------------------
CONST APP_NAME = "WinMIDI Player 64"
CONST FRAME_RATE_MAX = 60
' Program events
CONST EVENT_NONE = 0 ' idle
CONST EVENT_QUIT = 1 ' user wants to quit
CONST EVENT_CMDS = 2 ' process command line
CONST EVENT_LOAD = 3 ' user want to load files
CONST EVENT_DROP = 4 ' user dropped files
CONST EVENT_PLAY = 5 ' play next song
'-----------------------------------------------------------------------------------------------------------------------
'-----------------------------------------------------------------------------------------------------------------------
' USER DEFINED TYPES
'-----------------------------------------------------------------------------------------------------------------------
TYPE UIType ' bunch of UI widgets to change stuff
cmdOpen AS LONG ' open dialog box button
cmdPlayPause AS LONG ' play / pause button
cmdNext AS LONG ' next tune button
cmdIncVolume AS LONG ' increase volume button
cmdDecVolume AS LONG ' decrease volume button
cmdRepeat AS LONG ' repeat enable / disable button
cmdAbout AS LONG ' shows an about dialog
END TYPE
'-----------------------------------------------------------------------------------------------------------------------
'-----------------------------------------------------------------------------------------------------------------------
' GLOBAL VARIABLES
'-----------------------------------------------------------------------------------------------------------------------
DIM SHARED MIDIVolume AS SINGLE ' global MIDI volume
DIM SHARED ElapsedTicks AS UNSIGNED INTEGER64 ' amount of time spent in playing the current tune
DIM SHARED TuneTitle AS STRING ' tune title
DIM SHARED BackgroundImage AS LONG ' the CC image that we will use for the background
DIM SHARED UI AS UIType ' user interface controls
'-----------------------------------------------------------------------------------------------------------------------
'-----------------------------------------------------------------------------------------------------------------------
' PROGRAM ENTRY POINT
'-----------------------------------------------------------------------------------------------------------------------
InitProgram
DIM event AS BYTE: event = EVENT_CMDS ' default to command line event first
' Main loop
DO
SELECT CASE event
CASE EVENT_QUIT
EXIT DO
CASE EVENT_DROP
event = ProcessDroppedFiles
CASE EVENT_LOAD
event = OnSelectedFiles
CASE EVENT_CMDS
event = OnCommandLine
CASE ELSE
event = OnWelcomeScreen
END SELECT
LOOP UNTIL event = EVENT_QUIT
AUTODISPLAY
WidgetFreeAll
FREEIMAGE BackgroundImage
SYSTEM
'-----------------------------------------------------------------------------------------------------------------------
'-----------------------------------------------------------------------------------------------------------------------
' FUNCTIONS & SUBROUTINES
'-----------------------------------------------------------------------------------------------------------------------
' Initializes everything we need
SUB InitProgram
CONST BUTTON_WIDTH = 48 ' default button width
CONST BUTTON_HEIGHT = 24 ' default button height
CONST BUTTON_GAP = 4 ' default gap between buttons
CONST BUTTON_Y = 172 ' default button top
SCREEN NEWIMAGE(320, 200, 32) ' like SCREEN 13 but in 32bpp
TITLE APP_NAME ' set default app title
CHDIR STARTDIR$ ' change to the directory specifed by the environment
ACCEPTFILEDROP ' enable drag and drop of files
ALLOWFULLSCREEN SQUAREPIXELS , SMOOTH ' allow the user to press Alt+Enter to go fullscreen
DISPLAYORDER HARDWARE , HARDWARE1 , GLRENDER , SOFTWARE ' draw the software stuff + text at the end
FONT 8 ' use 8x8 font by default
PRINTMODE KEEPBACKGROUND ' set text rendering to preserve backgroud
' Next 2 lines load the background, decodes, decompresses and loads it from memory to an image
RESTORE Data_compactcassette_png_46482
BackgroundImage = LOADIMAGE(Base64_LoadResourceData, 33, "memory")
MIDIVolume = 1 ' set initial volume at 100%
DIM buttonX AS LONG: buttonX = 32 ' this is where we will start
UI.cmdOpen = PushButtonNew("Open", buttonX, BUTTON_Y, BUTTON_WIDTH, BUTTON_HEIGHT, FALSE)
buttonX = buttonX + BUTTON_WIDTH + BUTTON_GAP
UI.cmdPlayPause = PushButtonNew("Play", buttonX, BUTTON_Y, BUTTON_WIDTH, BUTTON_HEIGHT, TRUE)
buttonX = buttonX + BUTTON_WIDTH + BUTTON_GAP
UI.cmdNext = PushButtonNew("Next", buttonX, BUTTON_Y, BUTTON_WIDTH, BUTTON_HEIGHT, FALSE)
buttonX = buttonX + BUTTON_WIDTH + BUTTON_GAP
UI.cmdRepeat = PushButtonNew("Loop", buttonX, BUTTON_Y, BUTTON_WIDTH, BUTTON_HEIGHT, TRUE)
buttonX = buttonX + BUTTON_WIDTH + BUTTON_GAP
UI.cmdAbout = PushButtonNew("About", buttonX, BUTTON_Y, BUTTON_WIDTH, BUTTON_HEIGHT, FALSE)
UI.cmdDecVolume = PushButtonNew("-V", 102, 124, BUTTON_HEIGHT, BUTTON_HEIGHT, FALSE)
UI.cmdIncVolume = PushButtonNew("+V", 192, 124, BUTTON_HEIGHT, BUTTON_HEIGHT, FALSE)
DISPLAY ' only swap display buffer when we want
END SUB
' Weird plasma effect
SUB DrawWeirdPlasma
$CHECKING:OFF
CONST __WP_DIV = 4
STATIC AS LONG w, h, t, imgHandle
STATIC imgMem AS _MEM
DIM rW AS LONG: rW = _WIDTH \ __WP_DIV
DIM rH AS LONG: rH = _HEIGHT \ __WP_DIV
IF w <> rW _ORELSE h <> rH _ORELSE imgHandle >= -1 THEN
IF imgHandle < -1 THEN
_FREEIMAGE imgHandle
_MEMFREE imgMem
END IF
imgHandle = _NEWIMAGE(rW, rH, 32)
imgMem = _MEMIMAGE(imgHandle)
w = rW
h = rH
END IF
DIM AS LONG x, y
DIM AS SINGLE r1, g1, b1, r2, g2, b2
WHILE y < h
x = 0
g1 = 128! * SIN(y / 16! - t / 22!)
r2 = 128! * SIN(y / 32! + t / 26!)
WHILE x < w
r1 = 128! * SIN(x / 16! - t / 20!)
b1 = 128! * SIN((x + y) / 32! - t / 24!)
g2 = 128! * SIN(x / 32! + t / 28!)
b2 = 128! * SIN((x - y) / 32! + t / 30!)
_MEMPUT imgMem, imgMem.OFFSET + (4 * w * y) + x * 4, _RGB32((r1 + r2) / 2!, (g1 + g2) / 2!, (b1 + b2) / 2!) AS _UNSIGNED LONG
x = x + 1
WEND
y = y + 1
WEND
DIM imgGPUHandle AS LONG: imgGPUHandle = _COPYIMAGE(imgHandle, 33)
_PUTIMAGE , imgGPUHandle
_FREEIMAGE imgGPUHandle
t = t + 1
$CHECKING:ON
END SUB
' Draws one cassette reel
SUB DrawReel (x AS LONG, y AS LONG, c AS UNSIGNED LONG, a AS SINGLE)
STATIC drawCmds AS STRING, clr AS UNSIGNED LONG
STATIC AS LONG angle, xp, yp
' These must be copied to static variables for VARPTR$ to work correctly
angle = a
xp = x
yp = y
clr = c
' We'll setup the DRAW commands just once to a STATIC string
IF LEN(drawCmds) = 0 THEN drawCmds = "C=" + VARPTR$(clr) + "BM=" + VARPTR$(xp) + ",=" + VARPTR$(yp) + "TA=" + VARPTR$(angle) + "BU17L1D5R1U5"
' Faster with unrolled loop
DRAW drawCmds
angle = angle + 45
DRAW drawCmds
angle = angle + 45
DRAW drawCmds
angle = angle + 45
DRAW drawCmds
angle = angle + 45
DRAW drawCmds
angle = angle + 45
DRAW drawCmds
angle = angle + 45
DRAW drawCmds
angle = angle + 45
DRAW drawCmds
Graphics_DrawCircle xp, yp, 18, clr
END SUB
' Draws both reels at correct locations and manages rotation
SUB DrawReels
STATIC angle AS UNSIGNED LONG
DrawReel 95, 92, BGRA_WHITE, angle
DrawReel 223, 92, BGRA_WHITE, angle
IF NOT MIDI_IsPaused THEN angle = angle + 1
END SUB
' Draws a frame around the CC
SUB DrawFrame
CONST FRAME_COLOR = RGBA32(0, 0, 0, 128)
Graphics_DrawFilledRectangle 0, 0, 319, 23, FRAME_COLOR
Graphics_DrawFilledRectangle 0, 167, 319, 199, FRAME_COLOR
Graphics_DrawFilledRectangle 0, 24, 31, 166, FRAME_COLOR
Graphics_DrawFilledRectangle 287, 24, 319, 166, FRAME_COLOR
END SUB
' This draws everything to the screen
SUB DrawScreen
CLS , 0 ' clear screen with black with no alpha
DrawWeirdPlasma
PUTIMAGE , BackgroundImage
DrawReels
DrawFrame
DIM text AS STRING: text = LEFT$(TuneTitle, 28)
FONT 14
COLOR BGRA_BLACK
LOCATE 4, 7 + (14 - LEN(text) \ 2)
PRINT text;
DIM minute AS UNSIGNED LONG: minute = ElapsedTicks \ 60000
DIM second AS UNSIGNED LONG: second = (ElapsedTicks MOD 60000) \ 1000
COLOR BGRA_WHITE
LOCATE 7, 18
PRINT RIGHT$("00" + LTRIM$(STR$(minute)), 3); ":"; RIGHT$("00" + LTRIM$(STR$(second)), 2);
FONT 16
COLOR BGRA_BLACK
LOCATE 9, 19
PRINT RIGHT$(" " + LTRIM$(STR$(ROUND(MIDIVolume * 100))), 3); "%";
FONT 8
LOCATE 14, 20
IF MIDI_IsPaused THEN
COLOR BGRA_ORANGERED
PRINT STRING$(2, 179);
ELSE
COLOR BGRA_YELLOW
PRINT STRING$(2, 16);
END IF
WidgetDisabled UI.cmdPlayPause, LEN(TuneTitle) = 0
WidgetDisabled UI.cmdNext, LEN(TuneTitle) = 0
WidgetDisabled UI.cmdRepeat, LEN(TuneTitle) = 0
PushButtonDepressed UI.cmdPlayPause, NOT MIDI_IsPaused AND LEN(TuneTitle) <> 0
PushButtonDepressed UI.cmdRepeat, MIDI_IsLooping
WidgetUpdate ' draw widgets above everything else. This also fetches input
DISPLAY ' flip the framebuffer
END SUB
' Shows the About dialog box
SUB ShowAboutDialog
DIM tunePaused AS BYTE
IF MIDI_IsPlaying AND NOT MIDI_IsPaused THEN
MIDI_Pause TRUE
tunePaused = TRUE
END IF
RESTORE Data_raindrop_wav_482216
Sound_PlayFromMemory Base64_LoadResourceData, TRUE
MessageBox APP_NAME, APP_NAME + String$(2, KEY_ENTER) + _
"Syntax: WinMIDIPlayer64 [-?] [midifile1.mid] [midifile2.mid] ..." + Chr$(KEY_ENTER) + _
" -?: Shows this message" + String$(2, KEY_ENTER) + _
"Copyright (c) 2023, Samuel Gomes" + String$(2, KEY_ENTER) + _
"https://github.com/a740g/", "info"
Sound_Stop
IF tunePaused THEN MIDI_Pause FALSE
END SUB
' Initializes, loads and plays a MIDI file
' Also checks for input, shows info etc
FUNCTION OnPlayMIDITune%% (fileName AS STRING)
SHARED InputManager AS InputManagerType
OnPlayMIDITune = EVENT_PLAY ' default event is to play next song
DIM AS UNSIGNED INTEGER64 currentTick, lastTick
lastTick = Time_GetTicks
IF NOT MIDI_PlayFromFile(fileName) THEN ' We want the MIDI file to loop just once
MESSAGEBOX APP_NAME, "Failed to load: " + fileName, "error"
EXIT FUNCTION
END IF
' Set the app title to display the file name
TuneTitle = GetFileNameFromPathOrURL(fileName)
TITLE TuneTitle + " - " + APP_NAME ' show complete filename in the title
TuneTitle = LEFT$(TuneTitle, LEN(TuneTitle) - LEN(GetFileExtensionFromPathOrURL(TuneTitle))) ' get the file name without the extension
MIDI_SetVolume MIDIVolume ' set the volume as Windows will reset the volume for new MIDI streams
DO
currentTick = Time_GetTicks
IF currentTick > lastTick AND NOT MIDI_IsPaused THEN ElapsedTicks = ElapsedTicks + (currentTick - lastTick)
lastTick = currentTick
DrawScreen
IF WidgetClicked(UI.cmdNext) OR InputManager.keyCode = KEY_ESCAPE OR InputManager.keyCode = KEY_UPPER_N OR InputManager.keyCode = KEY_LOWER_N THEN
EXIT DO
ELSEIF TOTALDROPPEDFILES > 0 THEN
OnPlayMIDITune = EVENT_DROP
EXIT DO
ELSEIF WidgetClicked(UI.cmdOpen) OR InputManager.keyCode = KEY_UPPER_O OR InputManager.keyCode = KEY_LOWER_O THEN
OnPlayMIDITune = EVENT_LOAD
EXIT DO
ELSEIF WidgetClicked(UI.cmdPlayPause) OR InputManager.keyCode = KEY_UPPER_P OR InputManager.keyCode = KEY_LOWER_P THEN
MIDI_Pause NOT MIDI_IsPaused
ELSEIF WidgetClicked(UI.cmdRepeat) OR InputManager.keyCode = KEY_UPPER_L OR InputManager.keyCode = KEY_LOWER_L THEN
MIDI_Loop NOT MIDI_IsLooping
ELSEIF WidgetClicked(UI.cmdIncVolume) OR InputManager.keyCode = KEY_PLUS OR InputManager.keyCode = KEY_EQUALS THEN
MIDIVolume = MIDIVolume + 0.01
MIDI_SetVolume MIDIVolume
MIDIVolume = MIDI_GetVolume
ELSEIF WidgetClicked(UI.cmdDecVolume) OR InputManager.keyCode = KEY_MINUS OR InputManager.keyCode = KEY_UNDERSCORE THEN
MIDIVolume = MIDIVolume - 0.01
MIDI_SetVolume MIDIVolume
MIDIVolume = MIDI_GetVolume
ELSEIF WidgetClicked(UI.cmdAbout) THEN
ShowAboutDialog
ELSEIF InputManager.keyCode = 21248 THEN ' shift + delete - you know what this does :)
IF MESSAGEBOX(APP_NAME, "Are you sure you want to delete " + fileName + " permanently?", "yesno", "question", 0) = 1 THEN
KILL fileName
EXIT DO
END IF
END IF
LIMIT FRAME_RATE_MAX
LOOP UNTIL NOT MIDI_IsPlaying
MIDI_Stop
' Clear these so that we do not keep showing dead info
TuneTitle = STRING_EMPTY
ElapsedTicks = NULL
TITLE APP_NAME ' set app title to the way it was
END FUNCTION
' Welcome screen loop
FUNCTION OnWelcomeScreen%%
SHARED InputManager AS InputManagerType
DIM e AS BYTE: e = EVENT_NONE
DO
DrawScreen
IF InputManager.keyCode = KEY_ESCAPE THEN
e = EVENT_QUIT
ELSEIF TOTALDROPPEDFILES > 0 THEN
e = EVENT_DROP
ELSEIF WidgetClicked(UI.cmdOpen) OR InputManager.keyCode = KEY_UPPER_O OR InputManager.keyCode = KEY_LOWER_O THEN
e = EVENT_LOAD
ELSEIF WidgetClicked(UI.cmdIncVolume) OR InputManager.keyCode = KEY_PLUS OR InputManager.keyCode = KEY_EQUALS THEN
MIDIVolume = MIDIVolume + 0.01
IF MIDIVolume > 1 THEN MIDIVolume = 1
ELSEIF WidgetClicked(UI.cmdDecVolume) OR InputManager.keyCode = KEY_MINUS OR InputManager.keyCode = KEY_UNDERSCORE THEN
MIDIVolume = MIDIVolume - 0.01
IF MIDIVolume < 0 THEN MIDIVolume = 0
ELSEIF WidgetClicked(UI.cmdAbout) THEN
ShowAboutDialog
END IF
LIMIT FRAME_RATE_MAX
LOOP WHILE e = EVENT_NONE
OnWelcomeScreen = e
END FUNCTION
' Processes the command line one file at a time
FUNCTION OnCommandLine%%
DIM e AS BYTE: e = EVENT_NONE
IF GetProgramArgumentIndex(KEY_QUESTION_MARK) > 0 THEN
ShowAboutDialog
e = EVENT_QUIT
ELSE
DIM i AS LONG: FOR i = 1 TO COMMANDCOUNT
e = OnPlayMIDITune(COMMAND$(i))
IF e <> EVENT_PLAY THEN EXIT FOR
NEXT
END IF
OnCommandLine = e
END FUNCTION
' Processes dropped files one file at a time
FUNCTION ProcessDroppedFiles%%
' Make a copy of the dropped file and clear the list
REDIM fileNames(1 TO TOTALDROPPEDFILES) AS STRING
DIM e AS BYTE: e = EVENT_NONE
DIM i AS LONG: FOR i = 1 TO TOTALDROPPEDFILES
fileNames(i) = DROPPEDFILE(i)
NEXT
FINISHDROP ' This is critical
' Now play the dropped file one at a time
FOR i = LBOUND(fileNames) TO UBOUND(fileNames)
e = OnPlayMIDITune(fileNames(i))
IF e <> EVENT_PLAY THEN EXIT FOR
NEXT
ProcessDroppedFiles = e
END FUNCTION
' Processes a list of files selected by the user
FUNCTION OnSelectedFiles%%
DIM ofdList AS STRING
DIM e AS BYTE: e = EVENT_NONE
ofdList = OPENFILEDIALOG$(APP_NAME, , "*.mid|*.MID|*.Mid|*.midi|*.MIDI|*.Midi", "Standard MIDI Files", TRUE)
IF LEN(ofdList) = NULL THEN EXIT FUNCTION
REDIM fileNames(0 TO 0) AS STRING
DIM j AS LONG: j = String_Tokenize(ofdList, "|", STRING_EMPTY, FALSE, fileNames())
DIM i AS LONG: FOR i = 0 TO j - 1
e = OnPlayMIDITune(fileNames(i))
IF e <> EVENT_PLAY THEN EXIT FOR
NEXT
OnSelectedFiles = e
END FUNCTION
'-----------------------------------------------------------------------------------------------------------------------
'-----------------------------------------------------------------------------------------------------------------------
' MODULE FILES
'-----------------------------------------------------------------------------------------------------------------------
'$INCLUDE:'include/ProgramArgs.bas'
'$INCLUDE:'include/GraphicOps.bas'
'$INCLUDE:'include/FileOps.bas'
'$INCLUDE:'include/StringOps.bas'
'$INCLUDE:'include/Base64.bas'
'$INCLUDE:'include/ImGUI.bas'
'$INCLUDE:'include/WinMIDIPlayer.bas'
'-----------------------------------------------------------------------------------------------------------------------
'-----------------------------------------------------------------------------------------------------------------------