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attack of the mutant boxes für elise by Fit [web]
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popularity : 51% |
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added on the 2019-08-04 01:19:44 by yzi  |
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advanced music
rulez added on the 2019-08-04 02:10:48 by noby 
i unironically really like this harmonization of fur elise and would play this with my band
i just wish it wasn't midi
oh yeah and also the effect is pretty
i just wish it wasn't midi
oh yeah and also the effect is pretty
MIDIcore
Elise war bestimmt voll die Granate.
Here's a stripped down untested semi-commented version of the music code used in this 1k intro. Use NASM.
Code:
; "MOOD:DOOM" by Yzi
; Music code from "Attack of the Mutant Boxes für Elise" 1k intro shown at Assembly 2019.
; This code is one of my experiments for structuring General MIDI music playback/generation
; for good compression in a Windows 1k intro using the Crinkler compressing linker.
; <---- here you would have your "extern" statements for Windows API functions ---->
; ...
section .data_musa data align=1
; The midiout_handle variable is actually placed inside a DEVMODE struct to save space
; in the actual 1k intro, but shown like this in the music source code example.
midiout_handle: db 0x00, 0x00, 0x00, 0x00
; These defines were used for trying out different ways to place the frame counter
%define FRAMECOUNT_DWORD ebp
%define FRAMECOUNT_BYTE ebp
; *** MIDI status bytes cheat sheet ***
; 0x0000xxCy : Program Change (xx) on channel y
; 0x00vvnn9y : Note On, channel y, note nn, velocity vv
; 0x00007BBy : All Notes Off, channel y
; 0x00vvnnBy : Control Change (xx) on channel y, controller nn, value vv
; The first 8 notes of "Für Elise", 1 note per nibble, starting from 2nd-lowest nibble
melody dd 0x76725376
melody2 dd 0x32023535 ; Second half of the repeating melody, not from Für Elise.
bassline dd 0x55CC1133 ; bass and power chords root notes, starting from highest nibble
section .code_musa code align=1
; actual music playroutine, call this once per frame, at around 50-60 fps
addTune:
pushad
mov edx, DWORD [midiout_handle]
cmp FRAMECOUNT_DWORD, 64*16+65*16+120
jg exit
cmp FRAMECOUNT_DWORD, 64*16+65*16+2
jg endall
cmp FRAMECOUNT_DWORD, 65*16+1
je crash
jl skip_double_kick_drum
cmp FRAMECOUNT_DWORD, 64*16+65*16+1
je crash
test FRAMECOUNT_BYTE, 3
jnz skip_double_kick_drum
pushad
push 0x00502499 ; double kick
push edx
call [__imp__midiOutShortMsg@8]
popad
skip_double_kick_drum:
test FRAMECOUNT_BYTE, 15
jnz notyet
mov esi, FRAMECOUNT_DWORD
sub esi, 16
test esi, 128
jnz use_melody2
rol dword [melody], 4
mov ebx, dword [melody]
and ebx, 0x0F00
jmp skip_melody_advance
use_melody2:
rol dword [melody2], 4
mov ebx, dword [melody2]
and ebx, 0x0F00
skip_melody_advance:
mov ecx, FRAMECOUNT_DWORD
and ecx, 16
shl ecx, 18
; Some MIDI messages are constructed with mov/add and some with lea,
; whichever happened to compress better with Crinkler in this case.
; You have to try out different combinations and look at the Crinkler log.
lea eax, [ecx + 0x001F2499] ; kick
push eax
push edx
mov eax, 0x007f2899 ; snare
sub eax, ecx
push eax
push edx
lea eax, [0x007f3399+ecx*4] ; ride
push eax
push edx
lea eax, [0x007f3390 + 0x0C00 + ebx] ; MELODY
push eax
push edx
test esi, 127
jnz skip_bassline_advance
rol dword [bassline], 4
skip_bassline_advance:
mov bh, byte [bassline]
and bh, 0x0F
lea eax, [ebx+ecx*4+0x00601B9A-0x500]
push eax
push edx
lea eax, [ebx + 0x00603391 - 0x0C00 - 0x500] ; POWER CHORDS
push eax
push edx
add eax, 0x0000700
push eax
push edx
add eax, 0x0000500
push eax
push edx
push 0x000022CA ; xxCA = program change on channel 11
push edx
push 0x00001EC0 ; xxC0 = program change on channel 1
push edx
push 0x00001DC1 ; xxC1 = program change on channel 2
push edx
push 0x00007BB0 ; all notes off channel 1
push edx
push 0x00007BB1 ; all notes off channel 2
push edx
push 0x00007BBA ; all notes off channel 11 (bass)
push edx
; fire away all the stuff on the stack
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
call [__imp__midiOutShortMsg@8]
notyet:
jmp endall
crash:
push 0x007f3199 ; crash
push edx
call [__imp__midiOutShortMsg@8]
endall:
loppu:
popad
ret
section .code_main code align=1
global main
main:
; in the actual 1k intro there would be visuals initialization stuff here
; ...
push 0 ; framecount initial value
; ...
push 0
push 0
push 0
push 0
push midiout_handle
call [__imp__midiOutOpen@20]
; ...
pop FRAMECOUNT_DWORD
main_loop:
add FRAMECOUNT_DWORD, 1
call addTune
push 27 ; VK_ESCAPE for GetAsyncKeyState()
push 1
push 0
push 0
push 0
push 0
call [__imp__PeekMessageA@20]
; <-------- SOMEWHERE AROUND HERE YOU WOULD HAVE YOUR VSYNC / SWAP BUFFERS ------>
call [__imp__GetAsyncKeyState@4]
test al, al
je main_loop
exit:
; you don't really have to care about what parameter goes to ExitProcess()
;push 0
call [__imp__ExitProcess@4]
I thought this was actually pretty advanced.
A tradeoff with the visuals of course, but anyway.
A tradeoff with the visuals of course, but anyway.
Nice metal riff :)
ahahaha love this!
It's a trade-off with visuals only in the sense that I didn't spend time on the visuals, and I suck at making visuals.
Here's the shader. I'm sure it's possible to create something much nicer with as much text as this. It's 607 bytes uncompressed, 325 bytes compressed.
Here's the shader. I'm sure it's possible to create something much nicer with as much text as this. It's 607 bytes uncompressed, 325 bytes compressed.
Code:
db 'float f=gl_Color.x*1e8,g=floor(f/24.);'
db 'float v(vec3 v)'
db '{'
db 'float s=abs(-4.-v.y),y=24.,z=v.z+f*44.*g,x=floor(z/y);'
db 'v.z=mod(z,y);'
db 'z=y/2.;'
db 'for(float m=8.;m<88.;m+=8.)'
db '{'
db 'vec3 r=vec3(sin(m*z+x+f*sin(m))*z,sin(m*z+x)*z,z);'
db 's=min(s,length(max(abs(v-r)-vec3(1.,1.,.1+sin(f+m)),0.)));'
db '}'
db 'return s;'
db '}'
db 'void main()'
db '{'
db 'vec2 s=gl_FragCoord.xy/vec2(1280.,720.)-.5,r=vec2(.1,0.);'
db 'vec3 m=vec3(0.),z=m,y=vec3(s,1.);'
db 'float a=1.;'
db 'for(float x=0.;x<88.;x+=1.)'
db '{'
db 'a=v(z+=y*a*.7);'
db 'if(a<r.x)'
db '{'
db 'z-=y*r.x;'
db 'm=vec3(g,sin(f*(1.-g)),1.-g)*'
db 'dot('
db 'normalize(vec3(v(z-r.xyy),v(z-r.yxy),v(z-r.yyx)))'
db ',vec3(sin(f),cos(f),g)'
db ')*44./pow(z.z,1.5);'
db 'break;'
db '}'
db '}'
db 'gl_FragColor=vec4(m,1.);'
db '}', 0
that was quite fun :)
tune vote :D
nice für elise cover and some boxes
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