start conversion to Go

cmd/vagparser/main.go

@@ -0,0 +1,99 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"github.com/jwetzell/jakaudiotools"
+	"github.com/urfave/cli/v3"
+)
+
+func main() {
+	cmd := &cli.Command{
+		Name:  "vagparser",
+		Usage: "parse VAG files",
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:     "wad",
+				Value:    "",
+				Usage:    "path to JAK VAGWAD file",
+				Required: true,
+			},
+			&cli.StringFlag{
+				Name:     "dict",
+				Value:    "",
+				Usage:    "path to JAK VAGDIR file to lookup names",
+				Required: true,
+			},
+			&cli.Int8Flag{
+				Name:  "game",
+				Value: 1,
+				Usage: "the JAK game the VAG file is from (1,2,3)",
+				Validator: func(flag int8) error {
+					if flag != 1 && flag != 2 && flag != 3 {
+						return fmt.Errorf("game must be either 1, 2, or 3")
+					}
+					return nil
+				},
+				Required: true,
+			},
+			&cli.StringFlag{
+				Name:     "output",
+				Usage:    "directory to output parsed VAG files to (if not specified, will just print names and counts)",
+				Value:    "",
+				Required: false,
+			},
+		},
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			wadPath := cmd.String("wad")
+			wadData, err := os.ReadFile(wadPath)
+			if err != nil {
+				return fmt.Errorf("failed to read WAD file: %w", err)
+			}
+
+			dirPath := cmd.String("dict")
+			dirData, err := os.ReadFile(dirPath)
+			if err != nil {
+				return fmt.Errorf("failed to read dict file: %w", err)
+			}
+
+			game := cmd.Int8("game")
+
+			entries, err := jakaudiotools.ParseVAG(wadData, dirData, game)
+			if err != nil {
+				return fmt.Errorf("failed to parse VAG file: %w", err)
+			}
+
+			outputPath := cmd.String("output")
+			if outputPath != "" {
+				if _, err := os.Stat(outputPath); os.IsNotExist(err) {
+					err := os.MkdirAll(outputPath, 0755)
+					if err != nil {
+						return fmt.Errorf("failed to create output directory: %w", err)
+					}
+				}
+				for _, entry := range entries {
+					entryPath := fmt.Sprintf("%s/%s.VAGp", outputPath, entry.Name)
+					fmt.Printf("writing VAG file to %s\n", entryPath)
+					err := os.WriteFile(entryPath, entry.Data, 0644)
+					if err != nil {
+						return fmt.Errorf("failed to write VAG file: %w", err)
+					}
+				}
+				fmt.Printf("wrote %d VAG files to %s\n", len(entries), outputPath)
+			} else {
+				for _, entry := range entries {
+					fmt.Printf("VAG file named %s found\n", entry.Name)
+				}
+				fmt.Printf("found %d VAG entries\n", len(entries))
+			}
+			return nil
+		},
+	}
+
+	if err := cmd.Run(context.Background(), os.Args); err != nil {
+		fmt.Printf("Error: %v\n", err)
+		os.Exit(1)
+	}
+}