Add Context.Warnf(), improve fault tolerance

For example, content/audio/Helldiver_Standard_VO.wwise_bank can now be partially extracted.

app/app.go

@@ -391,6 +391,14 @@ func (a *App) MatchingFiles(
 	return res, nil
 }
 
+// Prints hash if human-readable name is unknown.
+func (a *App) LookupHash(hash stingray.Hash) string {
+	if name, ok := a.Hashes[hash]; ok {
+		return name
+	}
+	return hash.String()
+}
+
 type extractContext struct {
 	ctx     context.Context
 	app     *App
@@ -399,16 +407,18 @@ type extractContext struct {
 	config  map[string]string
 	outPath string
 	files   []string
+	printer *Printer
 }
 
-func newExtractContext(ctx context.Context, app *App, file *stingray.File, runner *exec.Runner, config map[string]string, outPath string) *extractContext {
+func newExtractContext(ctx context.Context, app *App, file *stingray.File, runner *exec.Runner, config map[string]string, outPath string, printer *Printer) *extractContext {
 	return &extractContext{
 		ctx:     ctx,
 		app:     app,
 		file:    file,
 		runner:  runner,
 		config:  config,
 		outPath: outPath,
+		printer: printer,
 	}
 }
 
@@ -451,17 +461,14 @@ func (c *extractContext) TriadID() *stingray.Hash {
 func (c *extractContext) ArmorSets() map[stingray.Hash]dlbin.ArmorSet {
 	return c.app.ArmorSets
 }
+func (c *extractContext) Warnf(f string, a ...any) {
+	name, typ := c.app.LookupHash(c.file.ID().Name), c.app.LookupHash(c.file.ID().Type)
+	c.printer.Warnf("extract %v.%v: %v", name, typ, fmt.Sprintf(f, a...))
+}
 
 // Returns path to extracted file/directory.
-func (a *App) ExtractFile(ctx context.Context, id stingray.FileID, outDir string, extrCfg map[string]map[string]string, runner *exec.Runner, gltfDoc *gltf.Document) ([]string, error) {
-	name, ok := a.Hashes[id.Name]
-	if !ok {
-		name = id.Name.String()
-	}
-	typ, ok := a.Hashes[id.Type]
-	if !ok {
-		typ = id.Type.String()
-	}
+func (a *App) ExtractFile(ctx context.Context, id stingray.FileID, outDir string, extrCfg map[string]map[string]string, runner *exec.Runner, gltfDoc *gltf.Document, printer *Printer) ([]string, error) {
+	name, typ := a.LookupHash(id.Name), a.LookupHash(id.Type)
 
 	file, ok := a.DataDir.Files[id]
 	if !ok {
@@ -534,6 +541,7 @@ func (a *App) ExtractFile(ctx context.Context, id stingray.FileID, outDir string
 		runner,
 		cfg,
 		outPath,
+		printer,
 	)
 	if err := extr(extrCtx); err != nil {
 		{

cmd/filediver-cli/main.go

@@ -245,7 +245,7 @@ extractor config:
 			}
 			prt.Statusf("File %v/%v: %v", i+1, len(files), truncName)
 			document := documents[typ]
-			if _, err := a.ExtractFile(ctx, id, *outDir, extrCfg, runner, document); err == nil {
+			if _, err := a.ExtractFile(ctx, id, *outDir, extrCfg, runner, document, prt); err == nil {
 				numExtrFiles++
 			} else {
 				if errors.Is(err, context.Canceled) {

extractor/extractor.go

@@ -28,6 +28,8 @@ type Context interface {
 	// Selected triad ID, if any (-t option).
 	TriadID() *stingray.Hash
 	ArmorSets() map[stingray.Hash]dlbin.ArmorSet
+	// Prints a warning message.
+	Warnf(f string, a ...any)
 }
 
 type ExtractFunc func(ctx Context) error

extractor/unit/extractor.go

@@ -382,7 +382,7 @@ func ConvertOpts(ctx extractor.Context, imgOpts *extr_material.ImageOptions, glt
 				meshesToLoad = []uint32{uint32(highestDetailIdx)}
 			}
 		} else {
-			fmt.Println("\nAdding LODs anyway since no lodgroups in unitInfo?")
+			ctx.Warnf("Adding LODs anyway since no lodgroups in unitInfo?")
 			for i := uint32(0); i < unitInfo.NumMeshes; i++ {
 				meshesToLoad = append(meshesToLoad, i)
 			}

extractor/wwise/extractor.go

@@ -282,8 +282,8 @@ func ConvertBnk(ctx extractor.Context) error {
 			return err
 		}
 		if err := func() error {
-			if err := convertWemStream(ctx, fmt.Sprintf(".bnk/%03d", i), wemR, format); err != nil {
-				return err
+			if err := convertWemStream(ctx, fmt.Sprintf(".bnk.dir/%03d", i), wemR, format); err != nil {
+				ctx.Warnf("file %v: %v", i, err)
 			}
 			return nil
 		}(); err != nil {

wwise/bnk.go

@@ -113,7 +113,7 @@ func openBnk(r io.ReadSeeker, bkhdKey *BkhdXorKey) (*Bnk, error) {
 		}
 	}
 
-	// Read DIDX (contained file info)
+	// Read DIDX (data index)
 	var files []bnkIndex
 	if sections.DidxSize > 0 && sections.DataSize > 0 {
 		if _, err := r.Seek(int64(sections.DidxOffset), io.SeekStart); err != nil {