Running TTW and a vanilla FNV instance at the same time

[Hellflame]

Hi guys, sorry if this question has been asked here before, but I couldn't find an answer so here goes. I'm trying to run TTW and another installation of FNV separately to play mods not compatible with TTW. I'm using MO2 with GOG version of the FNV game to detect separate instances of TTW and FNV (with vanilla New Vega's path redirected to its own folder), but while TTW works wonderfully, trying to open FNV with either NVSE or default launcher crashes the game prior to the main menu. Can someone who have got it working give me your method? I'd rather not have to delete TTW and start over my save if possible.

[jlf65]

I run FNV/TTW in MO2. I have FNV installed in its own folder with nvse and jipln... a normal FNV install. I installed TTW3 and its updates into another folder, archived that folder, then used MO2 to install TTW3 like a normal mod. I have no trouble switching between plain FNV and TTW3 this way.

[Hellflame]

I run FNV/TTW in MO2. I have FNV installed in its own folder with nvse and jipln... a normal FNV install. I installed TTW3 and its updates into another folder, archived that folder, then used MO2 to install TTW3 like a normal mod. I have no trouble switching between plain FNV and TTW3 this way.

Thanks for your reply. So I would need to archive the entire TTW folder (including the launcher and NVSE files) then install via MO2 as a FNV mod?

[jlf65]

Whatever the TTW installer puts in the folder. First, make an archive of the .ini files FNV created in the My Games doc folder. You'll need that for running FNV later. Make a temporary folder somewhere with nothing in it. Don't put the installer or associated files in that folder, either. Run the installer and point the destination to that empty folder. When the installer is done (and the updates as well), archive whatever is in the folder as a zip/rar/7z archive. Make another archive of the .ini files as they're changed for TTW.

Then inside MO2, create a profile for Tale of Two Wastelands. Make sure MO2 is set for profile specific ini files in the options. Unarc the original ini files into the Fallout New Vegas profile. Install the TTW archive and enable it in the Tale of Two Wastelands profile and not in the Fallout New Vegas profile. Unarc the changed ini files into the Tale of Two Wastelands profile. At that point, MO2 should switch between the two profiles and run either properly.

Plain FNV mods can be enabled in either profile (be careful, as some FNV mods aren't compatible - there's a thread on incompatible mods). TTW mods should only be enabled in the TTW profile. Fallout 3 mods must be converted before they can be used with TTW, and should not be enabled for FNV even when converted. The conversion is for TTW, not generic FNV. There's a thread on the board for converting FO3 mods for TTW. It's not that tough - just follow the instructions in the thread. Where it IS tough is when a mod contains companions and new places - the companions need a lot of work to change from FO3 companions to FNV companions, and places need to be redone in the NV GECK to work properly. Scripts will need to be recompiled in the NV GECK, but usually don't need any changes. If they do, it's expected that you as a modder understand the differences between the different games with respect to scripting.

[Hellflame]

Whatever the TTW installer puts in the folder. First, make an archive of the .ini files FNV created in the My Games doc folder. You'll need that for running FNV later. Make a temporary folder somewhere with nothing in it. Don't put the installer or associated files in that folder, either. Run the installer and point the destination to that empty folder. When the installer is done (and the updates as well), archive whatever is in the folder as a zip/rar/7z archive. Make another archive of the .ini files as they're changed for TTW.

Then inside MO2, create a profile for Tale of Two Wastelands. Make sure MO2 is set for profile specific ini files in the options. Unarc the original ini files into the Fallout New Vegas profile. Install the TTW archive and enable it in the Tale of Two Wastelands profile and not in the Fallout New Vegas profile. Unarc the changed ini files into the Tale of Two Wastelands profile. At that point, MO2 should switch between the two profiles and run either properly.

Plain FNV mods can be enabled in either profile (be careful, as some FNV mods aren't compatible - there's a thread on incompatible mods). TTW mods should only be enabled in the TTW profile. Fallout 3 mods must be converted before they can be used with TTW, and should not be enabled for FNV even when converted. The conversion is for TTW, not generic FNV. There's a thread on the board for converting FO3 mods for TTW. It's not that tough - just follow the instructions in the thread. Where it IS tough is when a mod contains companions and new places - the companions need a lot of work to change from FO3 companions to FNV companions, and places need to be redone in the NV GECK to work properly. Scripts will need to be recompiled in the NV GECK, but usually don't need any changes. If they do, it's expected that you as a modder understand the differences between the different games with respect to scripting.

Very clear cut, thanks!