UPDATE: update new language patch

This commit is contained in:
2025-08-21 21:44:16 +07:00
parent ba58d24e06
commit b2adcd7981
13 changed files with 727 additions and 178 deletions

View File

@@ -2,145 +2,174 @@ package internal
import (
"bytes"
"fmt"
assetMeta "firefly-launcher/pkg/language-patch/asset-meta"
excelLanguage "firefly-launcher/pkg/language-patch/excel-language"
"firefly-launcher/pkg/models"
"os"
"path/filepath"
"slices"
"strings"
)
type LanguageService struct{}
func isValidLang(lang string) bool {
valid := []string{"en", "jp", "cn", "kr"}
for _, v := range valid {
if lang == v {
return true
}
}
return false
return slices.Contains(valid, lang)
}
func (l *LanguageService) GetLanguage(path string) (string, string, error) {
files, err := os.ReadDir(path)
func (l *LanguageService) GetLanguage(path string) (bool, string, string, string) {
currentVersionGame, err := models.ParseBinaryVersion(filepath.Join(path, "BinaryVersion.bytes"))
if err != nil {
return "", "", err
return false, "", "", err.Error()
}
for _, file := range files {
filePath := filepath.Join(path, file.Name())
content, err := os.ReadFile(filePath)
if err != nil {
continue
}
patternToFind := []byte("SpriteOutput/UI/Fonts/RPG_CN.ttf")
idx := bytes.Index(content, patternToFind)
if idx == -1 {
continue
}
pattern := []byte("Korean")
idx = bytes.Index(content, pattern)
if idx == -1 {
continue
}
// Move to os text language
idx += 10
idx += 4
osText := string(content[idx : idx+2])
idx += 3 * 4
// Move to cn voice language
idx += 1
idx += 5
cnVoice := string(content[idx : idx+2])
idx += 3 * 2 // skip 2 entries
// Move to os voice language
idx += 1
idx += 5
osVoice := string(content[idx : idx+2])
idx += 3 * 5 // skip 5 entries
// Move to cn text language
idx += 1
idx += 4
cnText := string(content[idx : idx+2])
textLang := osText
voiceLang := osVoice
if !isValidLang(textLang) {
textLang = cnText
}
if !isValidLang(voiceLang) {
voiceLang = cnVoice
}
return textLang, voiceLang, nil
typeVersionGame := "os"
if strings.Contains(currentVersionGame.Name, "CN") {
typeVersionGame = "cn"
}
return "", "", fmt.Errorf("couldn't find file to read language from")
}
assetPath := filepath.Join(path, "DesignData\\Windows")
func replaceBytes(content []byte, idx int, choice string, param int) int {
for i := 0; i < param; i++ {
copy(content[idx:idx+2], []byte(choice))
idx += 3
}
return idx
}
func (l *LanguageService) SetLanguage(path string, text, voice string) (bool, error) {
files, err := os.ReadDir(path)
indexHash, err := assetMeta.GetIndexHash(assetPath)
if err != nil {
return false, err
return false, "", "", err.Error()
}
for _, file := range files {
filePath := filepath.Join(path, file.Name())
content, err := os.ReadFile(filePath)
if err != nil {
continue
}
patternToFind := []byte("SpriteOutput/UI/Fonts/RPG_CN.ttf")
idx := bytes.Index(content, patternToFind)
if idx == -1 {
continue
}
pattern := []byte("Korean")
idx = bytes.Index(content, pattern)
if idx == -1 {
continue
}
idx += 10
idx += 4
idx = replaceBytes(content, idx, text, 4)
idx += 1
idx += 5
idx = replaceBytes(content, idx, voice, 2)
idx += 1
idx += 5
idx = replaceBytes(content, idx, voice, 5)
idx += 1
idx += 4
_ = replaceBytes(content, idx, text, 2)
err = os.WriteFile(filePath, content, 0644)
if err != nil {
return false, err
}
return true, nil
DesignIndex, err := assetMeta.DesignIndexFromBytes(assetPath, indexHash)
if err != nil {
return false, "", "", err.Error()
}
dataEntry, fileEntry, err := DesignIndex.FindDataAndFileByTarget(-515329346)
if err != nil {
return false, "", "", err.Error()
}
allowedLanguage := excelLanguage.NewExcelLanguage(assetPath, &dataEntry, &fileEntry)
languageRows, err := allowedLanguage.Parse()
if err != nil {
return false, "", "", err.Error()
}
return false, fmt.Errorf("couldn't find file to patch. Make sure this file is placed in the correct folder")
currentTextLang := ""
currentVoiceLang := ""
pairs := []struct {
area string
typ *uint8
}{
{"os", nil},
{"cn", func() *uint8 { v := uint8(1); return &v }()},
{"os", func() *uint8 { v := uint8(1); return &v }()},
{"cn", nil},
}
for _, p := range pairs {
var found *excelLanguage.LanguageRow
for i := range languageRows {
if languageRows[i].Area != nil && *languageRows[i].Area == p.area {
if (languageRows[i].Type == nil && p.typ == nil) ||
(languageRows[i].Type != nil && p.typ != nil && *languageRows[i].Type == *p.typ) {
found = &languageRows[i]
break
}
}
}
if found == nil {
continue
}
if found.DefaultLanguage != nil && found.Area != nil && *found.Area == typeVersionGame && found.Type == nil {
currentTextLang = *found.DefaultLanguage
}
if found.DefaultLanguage != nil && found.Area != nil && *found.Area == typeVersionGame && found.Type != nil {
currentVoiceLang = *found.DefaultLanguage
}
}
if currentTextLang == "" || currentVoiceLang == "" || !isValidLang(currentTextLang) || !isValidLang(currentVoiceLang) {
return false, "", "", "not found language"
}
return true, currentTextLang, currentVoiceLang, ""
}
func (l *LanguageService) SetLanguage(path string, text, voice string) (bool, string) {
indexHash, err := assetMeta.GetIndexHash(path)
if err != nil {
return false, err.Error()
}
DesignIndex, err := assetMeta.DesignIndexFromBytes(path, indexHash)
if err != nil {
return false, err.Error()
}
dataEntry, fileEntry, err := DesignIndex.FindDataAndFileByTarget(-515329346)
if err != nil {
return false, err.Error()
}
allowedLanguage := excelLanguage.NewExcelLanguage(path, &dataEntry, &fileEntry)
languageRows, err := allowedLanguage.Parse()
if err != nil {
return false, err.Error()
}
pairs := []struct {
area string
typ *uint8
lang string
}{
{"os", nil, text},
{"cn", func() *uint8 { v := uint8(1); return &v }(), voice},
{"os", func() *uint8 { v := uint8(1); return &v }(), voice},
{"cn", nil, text},
}
for _, p := range pairs {
var found *excelLanguage.LanguageRow
for i := range languageRows {
if languageRows[i].Area != nil && *languageRows[i].Area == p.area {
if (languageRows[i].Type == nil && p.typ == nil) ||
(languageRows[i].Type != nil && p.typ != nil && *languageRows[i].Type == *p.typ) {
found = &languageRows[i]
break
}
}
}
if found == nil {
continue
}
found.DefaultLanguage = &p.lang
found.LanguageList = []string{p.lang}
}
data, err := allowedLanguage.Unmarshal(languageRows)
if err != nil {
return false, err.Error()
}
filePath := filepath.Join(path, fileEntry.FileByteName+".bytes")
f, err := os.OpenFile(filePath, os.O_RDWR, 0644)
if err != nil {
return false, err.Error()
}
defer f.Close()
if _, err := f.Seek(int64(dataEntry.Offset), 0); err != nil {
return false, err.Error()
}
if _, err := f.Write(data); err != nil {
return false, err.Error()
}
if len(data) < int(dataEntry.Size) {
remaining := int(dataEntry.Size) - len(data)
zeros := bytes.Repeat([]byte{0}, remaining)
if _, err := f.Write(zeros); err != nil {
return false, err.Error()
}
}
return true, "success"
}