diff options
Diffstat (limited to 'apps/fparkan-game/src')
| -rw-r--r-- | apps/fparkan-game/src/main.rs | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/apps/fparkan-game/src/main.rs b/apps/fparkan-game/src/main.rs index 7f059af..ccc9cc5 100644 --- a/apps/fparkan-game/src/main.rs +++ b/apps/fparkan-game/src/main.rs @@ -1278,8 +1278,13 @@ fn load_legacy_camera_capture(path: &std::path::Path) -> Result<VulkanStaticCame } fn parse_legacy_camera_capture(bytes: &[u8]) -> Result<VulkanStaticCamera, String> { - let capture: LegacyCameraCapture = serde_json::from_slice(bytes) - .map_err(|err| format!("invalid legacy camera JSON: {err}"))?; + // Windows PowerShell 5.1 writes redirected text as UTF-16LE with a BOM. + // `capture-original-camera.ps1` intentionally emits plain JSON, so accept + // that normal hand-off format as well as UTF-8 without making the caller + // re-encode a read-only capture file. + let json = decode_legacy_camera_capture_json(bytes)?; + let capture: LegacyCameraCapture = + serde_json::from_str(&json).map_err(|err| format!("invalid legacy camera JSON: {err}"))?; if capture.schema != "fparkan-legacy-camera-v1" { return Err("unsupported legacy camera capture schema".to_string()); } @@ -1297,6 +1302,43 @@ fn parse_legacy_camera_capture(bytes: &[u8]) -> Result<VulkanStaticCamera, Strin .ok_or_else(|| "legacy camera capture contains an invalid D3D7 camera".to_string()) } +fn decode_legacy_camera_capture_json(bytes: &[u8]) -> Result<String, String> { + let decode_utf16 = |words: Vec<u16>| { + String::from_utf16(&words) + .map_err(|err| format!("invalid UTF-16 legacy camera JSON: {err}")) + }; + match bytes { + [0xff, 0xfe, rest @ ..] => { + let chunks = rest.chunks_exact(2); + if !chunks.remainder().is_empty() { + return Err("invalid UTF-16LE legacy camera JSON length".to_string()); + } + decode_utf16( + chunks + .map(|chunk| u16::from_le_bytes([chunk[0], chunk[1]])) + .collect(), + ) + } + [0xfe, 0xff, rest @ ..] => { + let chunks = rest.chunks_exact(2); + if !chunks.remainder().is_empty() { + return Err("invalid UTF-16BE legacy camera JSON length".to_string()); + } + decode_utf16( + chunks + .map(|chunk| u16::from_be_bytes([chunk[0], chunk[1]])) + .collect(), + ) + } + [0xef, 0xbb, 0xbf, rest @ ..] => std::str::from_utf8(rest) + .map(str::to_owned) + .map_err(|err| format!("invalid UTF-8 legacy camera JSON: {err}")), + _ => std::str::from_utf8(bytes) + .map(str::to_owned) + .map_err(|err| format!("invalid UTF-8 legacy camera JSON: {err}")), + } +} + fn json_string(value: &str) -> String { let mut out = String::with_capacity(value.len() + 2); out.push('"'); @@ -1634,6 +1676,14 @@ mod tests { assert!(camera.is_finite()); assert_eq!(camera.clip_from_world[0], 0.65_f32.cos()); + let mut utf16le = vec![0xff, 0xfe]; + utf16le.extend(json.encode_utf16().flat_map(u16::to_le_bytes)); + assert_eq!( + parse_legacy_camera_capture(&utf16le) + .expect("PowerShell UTF-16LE capture must be accepted") + .clip_from_world, + camera.clip_from_world + ); assert_eq!( parse_legacy_camera_capture(br#"{"schema":"unknown","selector0_words":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"viewport":[0,0,1,1],"near_plane":0.1,"far_plane":1.0,"field_of_view_radians":1.0}"#), Err("unsupported legacy camera capture schema".to_string()) |