set RENPY_SCREENSHOT_PATTERN

Author: furudean

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 All notable changes to this project will be documented in this file.
 
+## Unreleased
+
+- Set `RENPY_SCREENSHOT_PATTERN` on launched processes if not overwritten by any other environment
+
 ## 3.3.2 - 2026-02-23
 
 fix a bug relating to version strings

src/lib/launch.ts

@@ -166,6 +166,7 @@ export async function launch_renpy({
 			}
 
 			const process_env: Record<string, string | undefined> = {
+				RENPY_SCREENSHOT_PATTERN: path.join(project_root, "screenshot%04d.png"),
 				...process.env,
 				...(get_config("processEnvironment") as object),
 				...extra_environment,