how to add extra characters in sonic 2?

Hello, I need to add 3 characters but I do not know how to put it in my hack. I read a tutorial on sonic retro but I lack the palette ...

 

It would help if you supplied the link to the guide, or copy and paste it here, it will make it easier for us to help you. I cant quiet remember what they had wrong in their code, but I had to edit it a little to get it to work.

Edit: Here ill give you a hint,


bne.s InitPlayers_KnuxAlone

This is placed in the Tails Alone routine, it will branch if its a Knuckles alone game. Its up to you to find out for yourself where it goes. then will be the main coding for the character option. Ill give you a hint for that too,


move.b #$4C,($FFFFB000).w

This is the corresponding character object number, this loads the Knuckles object, (or whatever character you chose to have as object 4C) as player one. It should be self explanatory from here.

 

http://info.sonicretro.org/How-to:Add_Extra_Characters_To_Sonic_2

 

Oh yeah the only thing that is wrong with the code is the main character option routine.


bne.s InitPlayers_KnuxAlone
bne.s InitPlayers_AmyAlone

put the Amy alone in the Knuckles alone character routine. You cant have two branch's next to each other like that.

 

I do not understand all ... I have those lines, what do I do?

Code:

InitPlayers_TailsAlone:
bne.s InitPlayers_Lara-suAlone
bne.s InitPlayers_ManicAlone
bne.s InitPlayers_SkyeAlone
move.b #2,(MainCharacter).w ; load Obj02 Tails object at $FFFFB000
move.b #8,(Tails_Dust).w ; load Obj08 Tails' spindash dust/splash object at $FFFFD100
addi.w #4,(MainCharacter+y_pos).w
rts
InitPlayers_Lara-suAlone:
move.b #$4C,($FFFFB000).w
move.b #8,($FFFFD100).w
rts

InitPlayers_ManicAlone:
move.b #$4D,($FFFFB000).w
move.b #8,($FFFFD100).w
rts
InitPlayers_SkyeAlone:
move.b #$4E,($FFFFB000).w
move.b #8,($FFFFD100).w
rts
; End of function InitPlayers

(Lara-su=knuckles and Manic=Amy)

 

I've already explained what to do in the above post. If your not going to listen then I'm not going to help you anymore.

 

If you want new characters, you have to also put this:

Code:

	subq.w	#1,d0

Then you can have them branch routines. So, at "InitPlayers_TailsAlone:", put this:

Code:

	subq.w	#1,d0
	bne.s	InitPlayers_Lara-suAlone

Then leave the rest of Tails' code alone. Then, at you're new label "InitPlayers_Lara-suAlone", do the same:

Code:

InitPlayers_Lara-suAlone:
	subq.w	#1,d0
	bne.s	InitPlayers_ManicAlone

etc, etc.

 

 





this still does not work. I've made ​​a mistake?

 

Code:

InitPlayers_TailsAlone:
subq.w #1,d0
bne.s InitPlayers_Lara-suAlone
move.b #2,(MainCharacter).w ; load Obj02 Tails object at $FFFFB000
move.b #8,(Tails_Dust).w ; load Obj08 Tails' spindash dust/splash object at $FFFFD100
addi.w #4,(MainCharacter+y_pos).w
rts
InitPlayers_Lara-suAlone:
subq.w #1,d0
bne.s InitPlayers_ManicAlone
move.b #$4C,($FFFFB000).w
move.b #8,($FFFFD100).w
rts

InitPlayers_ManicAlone:
subq.w #1,d0
bne.s InitPlayers_SkyeAlone
move.b #$4D,($FFFFB000).w
move.b #8,($FFFFD100).w
rts
InitPlayers_SkyeAlone:
move.b #$4E,($FFFFB000).w
move.b #8,($FFFFD100).w
rts
; End of function InitPlayers

 

 

I had already done SuperEgg...

 

Did you modify the menu system? If not, that's probably the issue. 

I'll just safely assume you're using the Xenowhirl disasm.

Go to "word_917A:"

and change 


dc.w $2FF
dc.w Player_option ; 1

to this


dc.w $5FF
dc.w Player_option ; 1

I'll just assume that's how many options you want. You can subtract or add 1 if needed.

 

it's good I found what was wrong thank you to you!

I had to delete these lines:

objC4
objD4
objE4

 

but I do not know how to load the ART of characters...

 

http://sonicresearch.org/forums/index.php?showtopic=3605&p=40556


That's pretty much what you're looking for. Just create a check about what character you're using. It's not a hard thing to do though.

 

I was wrong, it is a problem with the art, I choose a character and it looks like this:clip0031.zip

you see what is my problem?