I think you’ve just invented Jsonnet, but with C integration.

https://jsonnet.org/

Windows-Shift-S is the default keyboard shortcut, not sure if it works on fullscreen games though

Immovable Rod: when activated, it becomes fixed in its position in space, ignoring the motion of the planet. The moment it’s activated, it flies off into the sky or through the earth depending on the time of day, destroying everything in its path.

Potentially extremely useful with a lot of planning, once.