Audio Fade v1.21 [InternetExplorer]
C2017618 00000032
3DC0804C 61CE21B0
81CE0000 2C0E0001
40820174 3DC0805A
61CE7400 81CE0014
2C0E0001 41820160
9421FFB8 D8010008
D8210010 D8410018
D8610020 D8810028
BF410030 3F40805B
635AAD00 3F60805A
637B7400 3F803F79
639C999A 939B0008
3F803E80 939B000C
3BC00000 3BE00000
3BFF0001 839A0210
2C1C0000 41820008
3BC00001 8B9A0030
2C1C0020 41800010
2C1C00E0 41810008
3BC00001 8B9A0031
2C1C0020 41800010
2C1C00E0 41810008
3BC00001 3B5A0040
2C1F0008 4180FFB4
3F60805A 637B7400
2C1E0001 835B0000
40820008 3B400000
3B5A0001 935B0000
2C1A2A30 3BE00000
40800008 3BE00001
3FC09034 63DE94D4
C01B0004 C03E0004
C05B0008 C07B000C
C09B0010 FC040800
40820010 2C1F0000
41820030 4800000C
D03B0004 4800003C
FC010000 41820034
EC211024 FC010000
40810008 FC200090
D03E0004 4800001C
EC0000F2 EC2100B2
FC010000 40800008
FC200090 D03E0004
83FE0004 93FB0010
C8010008 C8210010
C8410018 C8610020
C8810028 BB410030
38210048 9421FFE0
60000000 00000000



----NOTES----


903494d8 - music volume

805BAD00	Controller Port 1 Inputs (GCC)
805BAD40	Controller Port 2 Inputs (GCC)
805BAD80	Controller Port 3 Inputs (GCC)
805BADC0	Controller Port 4 Inputs (GCC)
805BAE00	Controller Port 5 Inputs (Wii)
805BAE40	Controller Port 6 Inputs (Wii)
805BAE80	Controller Port 7 Inputs (Wii)
805BAEC0	Controller Port 8 Inputs (Wii)

Injection: 805a7400

-Injection Offsets Below-

00: Timer
04: Old music volume
08: Fade multiplier
0C: Percent to reduce volume to
10: Current music volume
14: Enabled/disabled


-ASM BELOW-

--80017618--

#Has the game actually started?
#If not, don't do anything
lis r14,0x804c
ori r14,r14,0x21b0
lwz r14,0(r14)
cmpwi r14,1
bne REALEND

lis r14,0x805A
ori r14,r14,0x7400
lwz r14,0x14(r14)
cmpwi r14,1
beq REALEND

#Save registers to the stack
stwu r1,-0x48(r1)
stfd f0,0x8(r1)
stfd f1,0x10(r1)
stfd f2,0x18(r1)
stfd f3,0x20(r1)
stfd f4,0x28(r1)
stmw r26,0x30(r1)

#load controller input pointer to r26
lis r26, 0x805B
ori r26,r26,0xAD00
#load injection pointer to r27
lis r27,0x805A
ori r27,r27,0x7400
#store fade multiplier to memory
lis r28,0x3f79
ori r28,r28,0x999a
stw r28,0x8(r27)
lis r28,0x3e80
stw r28,0xC(r27)
#initialize variables
li r30,0 #movement flag
li r31,0 #loop counter

#compare each controller to last frame and store new values
LOOP:
addi r31,r31,1
lwz r28,0x210(r26)
#if last frame's and this frame's inputs are equal,
#keep r30 at 0
cmpwi r28,0
beq 0x8
li r30,1

#is stick x-axis over 0x20 AND under 0xE0?
lbz r28,0x30(r26)
cmpwi r28,0x20
blt 0x10
cmpwi r28,0xE0
bgt 0x8
li r30,1

#is stick y-axis over 0x20 AND under 0xE0?
lbz r28,0x31(r26)
cmpwi r28,0x20
blt 0x10
cmpwi r28,0xE0
bgt 0x8
li r30,1

#update pointers
addi r26,r26,0x40
cmpwi r31,8
blt LOOP

#load frame counter, reset if controller moved
lis r27,0x805A
ori r27,r27,0x7400
#was a controller moved?
cmpwi r30,1
lwz r26,0(r27)
#if so, reset timer
bne 0x8
li r26,0
#add 1 to timer and store
addi r26,r26,1
stw r26,0(r27)
#has the timer passed 10800 frames?
cmpwi r26,10800
li r31,0
bge 0x8
#if not, set r31 to 1
li r31,1

#load current music volume and old music volume
lis r30,0x9034
ori r30,r30,0x94D4
lfs f0,0x4(r27) #f0 is Brawl's music volume
lfs f1,4(r30) #f1 is current music volume
lfs f2,0x8(r27) #f2 is the fade multiplier
lfs f3,0xC(r27) #f3 is volume % to dim to
lfs f4,0x10(r27) #f4 is last frame's volume
#Does last frame's volume equal this frame's?
#If not, Brawl changed the volume for some reason, reset variables
fcmpu cr0,f4,f1
bne FIX
#branch to fadeout or fadein depending on the timer count
cmpwi r31,0
beq FADEOUT
b FADEIN

FIX:
#If the game changes volume on its own, set that to the new "Brawl volume"
stfs f1,0x4(r27)
b END

FADEIN:
#if current volume = Brawl volume, do nothing
fcmpu cr0,f1,f0
beq END
#divide volume by multiplier
fdivs f1,f1,f2
#is it louder than Brawl volume?
fcmpu cr0,f1,f0
ble 0x8
#if so, just use Brawl's volume
fmr f1,f0
#store it
stfs f1,4(r30)
b END

FADEOUT:
#multiply Brawl's volume by the dim %
fmuls f0,f0,f3
#multiply current volume by multiplier
fmuls f1,f1,f2
#is it softer than f0?
fcmpu cr0,f1,f0
bge 0x8
#if so, just use f0
fmr f1,f0
#store it
stfs f1,4(r30)

END:
#store current volume to last frame's volume
lwz r31,0x4(r30)
stw r31,0x10(r27)
#stack stuff
lfd f0,0x8(r1)
lfd f1,0x10(r1)
lfd f2,0x18(r1)
lfd f3,0x20(r1)
lfd f4,0x28(r1)
lmw r26,0x30(r1)
addi r1,r1,0x48

REALEND:
#original line we overwrote
stwu sp,-0x20(sp)