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GTA III Android Modding

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ThexJoker
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(Last edited by ThexJoker; 31st December 2011 at 10:59 AM.)
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Exclamation GTA III Android Modding

Hey Guys!

1. Prolog

I found a way to Mod GTA III for Android. Ok, I didn't find a new way. It's the same way as the computer with some little indirrection. Befor I start telling you how to Mod GTA III on Android, I want to warn you.

2. Caution!

There are several problems ( other file names, missing dff or txd...).
1. The Mobile gta3.img, which is called gta3_unc.img has got 3859. 11 fewer than the Orginal gta3.img. The vehicles are used from the oldveh_unc.img.

2. The filenames of the IMG files can be various. On my SGSII the are called gta3_unc.img and oldveh_unc.img. But i already saw filenames like: gta3_ptr.img, gta3_atr.img (the same for oldveh_xxx.img)

3. Many people got problems with GTA III (crashes after Loading, or other problems).

4. If you Mod your GTA you may get more problems.
Example: I tested a new Pumpgun on PC. After installation I tried. Works fine.
The same on Mobile. If i press the button for shotting, the game crashes.

5. Dont install 1234567890 at one time or you wont know which mod causes problems and crashes.

6. There are TXD files that can't be opened with TXD viewer applications, because of unknown problems.

3. Installation

If you want to add new Cars, you need to replace the .dff and .txd within oldveh_unc.img.

If you want to Chance Buldings txd's replace the files within gta3_unc.img.


Befor you Mod anything, make a backup of all files or you have to delete files and have to re-download them.


Now let's start with modding.
Step 1:
Download IMG Tool 2.0.
Download the Mod : For an example I use Pegeot 306 Mexican Taxi to replace the Taxi.

Step 2:
Connect your Smartphone to your Computer. Browse to your internal SD-Card e.g.: Computer\GT-I9100\Phone\Android\data\com.rockstar.gta3\files\G TA3\models. Copy oldveh_unc.dir and oldveh_unc.img to the desktop.

Step 3:
Open oldveh_unc.img with IMG Tool 2.0 and replace taxi.dff and taxi.txd.
After this, rebuild the archive with: Commands -> Rebuild Archive.

Step 4:
Exit IMG Tool and copy oldveh_unc.dir and oldveh_unc.img to e.g.: Computer\GT-I9100\Phone\Android\data\com.rockstar.gta3\files\G TA3\models.

Step 5:
Copy handling.cfg from e.g.: Computer\GT-I9100\Phone\Android\data\com.rockstar.gta3\files\G TA3\data to your desktop.

Step 6:
Open handling.cfg with a Texteditor. Replace the lines in the handling.cfg with the one from the readme file.

Step 7:
Copy handling.cfg to e.g.: Computer\GT-I9100\Phone\Android\data\com.rockstar.gta3\files\G TA3\data.

Step 8:
Start GTA III and have fun ( if it works )

4. FAQ

Q: When I start GTA III i get a black screen.
A1: Minimize GTA III and then return into the game.
A2: Kill GTA III process with Task-Manager and restart GTA III.

Q: GTA III freezes at the loadingscreen.
A: The Mod you installed won*t work on Android. Install your backups.

Q: I get this error Message when i try to open oldveh_unc.img:
Unable to find oldveh_unc.dir
A: If you try to open a file that is on your mobile phone, your computer copies that file into a temp directory. He only copies the .img, not the .dir file. Repeat Step 2 above.

Q: The game is very laggy.
A: Try deleting the Audio files. Don't forget to backup.


5. More Tutorials

Custom songs in radio for GTA3 Android Thanks to tipsek


6. Links and other:

Offical Facebook GTA III Android Modding page


7. Screenshots and Videos:













ThexJoker
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virtualflyer
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Nice guide, sick of finding it only for iOS
 
EmAzY
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Awesome.

Works perfect with ARHD 3.6.9 Rom!

Sent from my HTC Sensation XE with Beats Audio using xda premium
 
EmAzY
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Damn wrong post! Please delete.
I meant to post this on another GTA 3 thread with the GTA3 set file tweak.

Quote:
Originally Posted by EmAzY View Post
Awesome.

Works perfect with ARHD 3.6.9 Rom!

Sent from my HTC Sensation XE with Beats Audio using xda premium


Sent from my HTC Sensation XE with Beats Audio using xda premium
 
Crazywhitie
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wow can't wait to try this out
 
KotsChopShop
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bat shyt crazy sikk..

I own/operate a site that's home to some of the worlds most reputable GTA modders and we've been teaching kats how to mod the GTA series for several years now, so this is gonna get interesting..

thanks for the heads up Joker (you2 Wired)
 
wired88
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(Last edited by wired88; 26th December 2011 at 06:03 PM.)
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Well,first off I'm glad it works without lag on my Nexus S,next I think I'll be testing what kind of polycount is reasonable/car so that the game doesn't lag.Don't think it's depending too much on ram or cpu power,since on pc it was more about the game engine limits.
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ThexJoker
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The polycount could be one reason for some problems I had while testing some Mods.

And there are some txd's that give me error when I try to open theme.

Example: RADAR.TXD

I think this is the Map when you open the map (press on the radar). Only the little radar in the corner can be changed (replace radar00.txd - radar63.txd in gta3_unc.img)
If i try to open it i get this error: Out of memory while expanding memory stream.
My english is not the best, but I think this error means something like, the images insede the txd are to big.

And if T try to open the file with other txd applications, then I get other errors or I see no image, but the info says height and width: 52428.
 
PlUmPaSsChIcKeN
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Is it possible to replace the collision models?

I have two cars downloaded that I would like to install and both have custom collision files.
 
ThexJoker
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Quote:
Originally Posted by PlUmPaSsChIcKeN View Post
Is it possible to replace the collision models?

I have two cars downloaded that I would like to install and both have custom collision files.
Hmm... I'll test it.

EDIT: I can't find any car for GTA III with new collision. The cars I found are for Vice City with new Col, and they didn't work. But you can modify the .col files from android. I think new carcollisons are possible.

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