buildModels function

void buildModels({ required BuildInput buildInput, required List<String> inputFilePaths, String outputDirectory = 'build/models/', })

Converts each .glb file in inputFilePaths to the Flutter Scene .model format and writes the result into outputDirectory (resolved relative to BuildInput.packageRoot).

Intended to be called from a build_hooks.dart entry point in the consuming package. The outputDirectory is created if it doesn't already exist; conversion runs in-process via Dart (no subprocess shell-out, no native binary dependency).

Throws if any input file does not have a .glb extension.

Implementation

void buildModels({
  required BuildInput buildInput,
  required List<String> inputFilePaths,
  String outputDirectory = 'build/models/',
}) {
  final outDir = Directory.fromUri(
    buildInput.packageRoot.resolve(outputDirectory),
  );
  outDir.createSync(recursive: true);

  for (final inputFilePath in inputFilePaths) {
    String outputFileName = Uri(path: inputFilePath).pathSegments.last;

    if (!outputFileName.endsWith('.glb')) {
      throw Exception(
        'Input file must be a .glb file. Given file path: $inputFilePath',
      );
    }
    outputFileName =
        '${outputFileName.substring(0, outputFileName.lastIndexOf('.'))}.model';

    importGltf(
      inputFilePath,
      outDir.uri.resolve(outputFileName).toFilePath(),
      workingDirectory: buildInput.packageRoot.toFilePath(),
    );
  }
}