Room Message-based Flags [CLF78]

Code:
# NOTE: Injection addresses are in the following order: PAL, NTSC-U, NTSC-J, NTSC-K



##########################

# Exception Vector Flags #

##########################



#### BEGIN SAMPLE CODE ####



# These flags can be customized at will

.set AlwaysWinVote, 0x800001B0

.set MirrorMode, 0x800001B1



#### END SAMPLE CODE ####



##############

# Host Flags #

##############

# INJECT: 0x8065AE70, 0x806569E8, 0x8065A4DC, 0x80649188



# This is used by the host to store the flags on his console temporarily, and to send them at room start.



# Get message type

HostFlags:

srwi r11, r4, 24

cmpwi r11, 1

bne+ normalRoomMessage



#### BEGIN SAMPLE CODE ####



# The code below places the two 1 bit flags at the topmost bits of the message type.

# There are 14 free bits here, use them wisely.



# It's a Room Start message, attach all flags! Load 0x8000 in r11

lis r11, AlwaysWinVote@ha



# Attach AlwaysWinVote

lbz r12, AlwaysWinVote@l(r11)

slwi r12, r12, 23

or r4, r4, r12



# Attach MirrorMode

lbz r12, MirrorMode@l(r11)

slwi r12, r12, 22

or r4, r4, r12



#### END SAMPLE CODE ####



# Return

b end



# Check if it's a Room Message otherwise

normalRoomMessage:

cmpwi r11, 4

bne end



# It's a Room Chat message! Get message subtype

srwi r11, r4, 8

rlwinm r12, r11, 0, 0xFFFF



#### BEGIN SAMPLE CODE ####



# The sample code uses the first and second message to enable/disable AlwaysWinVote, and the third and fourth to enable/disable MirrorMode



# Flag = !(subtype & 1)

rlwinm r11, r11, 0, 31, 31

xori r11, r11, 1



# Load 0x8000 in r6

lis r6, AlwaysWinVote@ha



# Check if it's AlwaysWinVote (ID 0/1)

cmpwi r12, 1

bgt+ notAlwaysWinVote

stb r11, AlwaysWinVote@l(r6)

b end



# Check if it's MirrorMode (ID 2/3)

notAlwaysWinVote:

cmpwi r12, 3

bgt+ end

stb r11, MirrorMode@l(r6)



#### END SAMPLE CODE ####



# Original instruction

end:

li r0, 2



###############

# Guest Flags #

###############

# INJECT: 0x8065AF70, 0x80656AE8, 0x8065A5DC, 0x80649288



# This is used by guests to parse the host's modified messages



# Set region here

.set REGION, ''



.if (region == 'P' || region == 'p')

 .set RKNetController, 0x809C20D8

.elseif (region == 'U' || region == 'u' || region == 'E' || region == 'e')

 .set RKNetController, 0x809BD918

.elseif (region == 'J' || region == 'j')

 .set RKNetController, 0x809C1138

.elseif (region == 'K' || region == 'k')

 .set RKNetController, 0x809B0718

.else

 .err

.endif



# Check if the message's mainType is 1 (ROOM START)

srwi r11, r3, 24

cmpwi r11, 1

bnelr+



# This snippet is optional, you can remove it if needed

# Get RKNetController->subs[currentSub].hostAid and check that it matches the aid in r4

# This prevents guests from starting the room, code by Seeky

lwz r11, RKNetController@l(r24)

lwz r12, 0x291C(r11)

mulli r12, r12, 0x58

add r11, r11, r12

lbz r11, 0x5A(r11)

cmpw r11, r4

beq realHost

li r3, 0

blr



#### BEGIN SAMPLE CODE ####



# You can use any bit from 9 to 22 for this

# These two values only take one bit, but can take more if necessary, again you must change this to suit your needs



# Load 0x8000 in r12

realHost:

lis r12, AlwaysWinVote@ha



# Store AlwaysWinVote

rlwinm r11, r3, 9, 31, 31

stb r11, AlwaysWinVote@l(r12)



# Store MirrorMode

rlwinm r11, r3, 10, 31, 31

stb r11, MirrorMode@l(r12)



#### END SAMPLE CODE ####



# Finally, clean up the subType to remove any flag

rlwinm r3, r3, 0, 22, 7

blr



###############

# Reset Flags #

###############

# This code resets the flags in order to prevent them from being preserved when joining/creating a new room or going offline.



# INJECTS:

# DWC_SetupGameServer = 0x800D1AB0, 0x800D1A10, 0x800D19D0, 0x800D1B10

# DWC_ConnectToAnybodyAsync = 0x800D1980, 0x800D18E0, 0x800D18A0, 0x800D19E0

# DWC_ConnectToGameServerAsync = 0x800D1D64, 0x800D1CC4, 0x800D1C84, 0x800D1DC4

# DWC_ConnectToGameServerFromGroupId = 0x800D2CD0, 0x800D2C30, 0x800D2BF0, 0x800D2D30

# DWC_Shutdown = 0x800CCDA8, 0x800CCD08, 0x800CCCC8, 0x800CCE08



#### BEGIN SAMPLE CODE ####



# Reset the flags so they don't affect the game

li r12, 0

lis r11, AlwaysWinVote@ha

sth r12, AlwaysWinVote@l(r11)



#### END SAMPLE CODE ####



# Keep the blr though, we're hooking at a function return

blr