Hacking SA's Audio for Fun and Posabilities

[jarjar]

Basicly, what i want to do i create a tool that hacks into the radio in the game (if it can be recived) and tell it to change to a diffrent station if possible. I started thinking about this because i wanted to add the radio to bikes and while the player is on foot. Mabye it could recive the players status (on foot/in car/in plane/etc.) and allow the porgram to force the stations to play. Is this possible..? I have had a bit of a look for the hacking codes but i have had no luck so far.

 

Thanks in advance...

jarjar

[pdescobar]

Note: color removed on quotes to make my life easier.

 

Basicly, what i want to do i create a tool that hacks into the radio in the game (if it can be recived) and tell it to change to a diffrent station if possible.

I assume you mean a "trainer" type memory-hacking tool. I know there are opcodes to set the radio station; the unmodified SCM is forever screwing with your radio station when you enter mod garages. If you can't access them directly, you might be able to use them to help pinpoint the proper memory location. It really isn't my area though so I'm just tossing out random suggestions.

 

 

I started thinking about this because i wanted to add the radio to bikes and while the player is on foot. Mabye it could recive the players status (on foot/in car/in plane/etc.) and allow the porgram to force the stations to play. Is this possible..? I have had a bit of a look for the hacking codes but i have had no luck so far.

A while back we were kicking around the idea of an IPL-based "walkman" by using AUZOs since you can set audio zones to play any of the normal radio stations or "your favorite station" which could potentially be the user track station. See the pinned IPL definition thread in the map forum for more on that discussion.

[cBonky]

I stumbled upon radio activation while on foot, although from memory it was simply the radio thread not being suspended after exiting a radio enabled vehicle (was trying to disable the radio entirely at the time). It is certainly possible but I'll have to try and retrace my steps as it wasn't the result I was after, may have written it down in my pile of notes. I am slowly working through them to extract more information for the memory hacking thread.

 

Only problem is the radio thread is a little flakey with the whole tuning sound effect and power on/off clicks etc, became very unstable for me when I tried to do something fancy, but anything is possible with some perseverance and ingenuity.

 

For the EU/AU/HOODLUM version 1.0 executables I was mostly screwing about around the 0x4EA5F0 process region for the radio, so you might want to endure many a crash and tamper about with a debugger/disassembler.

 

If I come across it again I'll update this post.

Edited February 26, 2006 by cBonky