TIP: Using the same bat file to start two games at once

[rclafferty]

Hi all,

I spent a bit of time trying to figure this out but finally got the SAME bat file to run two games at once. By default, copying/pasting the command will wait on the first to exit before starting the second. However, running them in parallel using the START command will do what we need here. Therefore, no need to run the same bat file twice.

Reference: Start - Start a program - Windows CMD - SS64.com

My batch file (coop_test.bat):

start "" "[path to editor]\UnrealEditor.exe" "[path to project]\CoopAdventure.uproject" -game -ResX=960 -ResY=540 -log -WINDOWED
start "" "[path to editor]\UnrealEditor.exe" "[path to project]\CoopAdventure.uproject" -game -ResX=960 -ResY=540 -log -WINDOWED

The [path to editor]\UnrealEditor.exe and [path to project]\CoopAdventure.uproject paths are the same as shown in the video Batch Script Testing, so no square brackets, etc.

For further reading, maybe check out the UE documentation links listed in this topic:

TIP: Use an executable batch file to speed up testing

One thing I don’t believe was covered in the lectures was the potential of the .bat file extension to help one you avoid frequenting the command line and repeatedly entering file addresses. To do this, simply open up a text editor of your choice, enter the command that would would have otherwise typed into the command line/ power shell etc and save as a .bat file. Then you simply need to run the file to launch a standalone version of your game. A forum discussion on the topic: https://forums…

Hope this helps!