DNF90 服务端与启动器完整源码（含 GM 工具功能增强）
服务端（Go）： - GM 塞背包/带属性装备发放：在线角色推送 op14 增量物品行，背包实时刷新，无需回角色选择界面 - GM 改金币/改等级：去掉在线拒绝，落库后推送 op14 钱包/op37 等级状态，在线实时刷新 - 等级端点统一切换到新版 GMSetCharacterLevel（自带在线刷新） - 无限/锁死疲劳模式 + 燃烧疲劳：每房间消耗 2 点、打怪与通关经验双倍 - 燃烧疲劳开关时给所有在线角色推送系统提示（op12 mode 0） - 深渊史诗掉率：GM 全局倍率 + 城镇增益药剂窗口倍率，真实接入掉落结算 启动器（Python/JS）： - 标题栏自绘、窗口 1204x717、禁止拖拽改大小、仅最小化/关闭 - GM 工具：疲劳与燃烧、深渊史诗掉率、拍卖行上架（单一定价对齐） - 拍卖行上架前端对齐服务端单一价格语义，修复 400 报错
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// npkinspect prints the IMG index and basic frame metadata from DNF NPK files.
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package main
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import (
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"bufio"
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"crypto/sha256"
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"encoding/binary"
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"flag"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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)
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const npkMagic = "NeoplePack_Bill\x00"
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var npkNameKey = []byte("puchikon@neople dungeon and fighter " +
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"DNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNFDNF\x00")
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type entry struct {
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Name string
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Offset uint32
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Length uint32
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}
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type spriteEntry struct {
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Index int
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Type int32
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Target int32
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Compression int32
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Width int32
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Height int32
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Length int32
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X int32
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Y int32
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FrameWidth int32
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FrameHeight int32
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}
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func main() {
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npkPath := flag.String("npk", "", "one NPK file")
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directory := flag.String("dir", "", "scan an ImagePacks2 directory")
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match := flag.String("match", "", "case-insensitive IMG path filter")
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includeFrames := flag.Bool("frames", false, "print every sprite entry for matched IMG members")
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includeHashes := flag.Bool("hashes", false, "print SHA-256 of every matched IMG member")
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flag.Parse()
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if strings.TrimSpace(*npkPath) == "" && strings.TrimSpace(*directory) == "" {
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fmt.Fprintln(os.Stderr, "-npk or -dir is required")
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os.Exit(2)
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}
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paths := []string{*npkPath}
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if strings.TrimSpace(*directory) != "" {
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paths = nil
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matches, err := filepath.Glob(filepath.Join(*directory, "*.NPK"))
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if err != nil {
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panic(err)
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}
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paths = matches
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}
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filter := strings.ToLower(strings.TrimSpace(*match))
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for _, filePath := range paths {
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if strings.TrimSpace(filePath) == "" {
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continue
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}
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entries, err := readNPK(filePath)
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if err != nil {
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fmt.Fprintf(os.Stderr, "skip %s: %v\n", filePath, err)
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continue
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}
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for _, item := range entries {
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if filter != "" && !strings.Contains(strings.ToLower(item.Name), filter) {
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continue
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}
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version, frameCount, imageMagic, metadataErr := readIMGMetadata(filePath, item)
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if metadataErr != nil {
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fmt.Printf("npk=%s img=%s offset=%d length=%d metadata_error=%q\n", filepath.Base(filePath), item.Name, item.Offset, item.Length, metadataErr)
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continue
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}
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memberHash := ""
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if *includeHashes {
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hash, hashErr := readIMGHash(filePath, item)
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if hashErr != nil {
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fmt.Printf("npk=%s img=%s offset=%d length=%d hash_error=%q\n", filepath.Base(filePath), item.Name, item.Offset, item.Length, hashErr)
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continue
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}
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memberHash = fmt.Sprintf(" sha256=%x", hash)
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}
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fmt.Printf("npk=%s img=%s offset=%d length=%d magic=%q version=%d frames=%d%s\n", filepath.Base(filePath), item.Name, item.Offset, item.Length, imageMagic, version, frameCount, memberHash)
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if *includeFrames {
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sprites, spriteErr := readIMGFrames(filePath, item)
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if spriteErr != nil {
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fmt.Printf(" frame_error=%q\n", spriteErr)
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continue
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}
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for _, sprite := range sprites {
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if sprite.Type == 0x11 {
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fmt.Printf(" frame=%d type=LINK target=%d\n", sprite.Index, sprite.Target)
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continue
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}
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fmt.Printf(" frame=%d type=0x%02X compression=0x%02X size=%dx%d bytes=%d offset=%d,%d canvas=%dx%d\n",
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sprite.Index, sprite.Type, sprite.Compression, sprite.Width, sprite.Height,
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sprite.Length, sprite.X, sprite.Y, sprite.FrameWidth, sprite.FrameHeight)
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}
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}
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}
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}
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}
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func readIMGHash(filePath string, item entry) ([32]byte, error) {
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file, err := os.Open(filePath)
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if err != nil {
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return [32]byte{}, err
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}
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defer file.Close()
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data := make([]byte, item.Length)
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if _, err := file.ReadAt(data, int64(item.Offset)); err != nil {
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return [32]byte{}, err
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}
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return sha256.Sum256(data), nil
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}
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func readIMGFrames(filePath string, item entry) ([]spriteEntry, error) {
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file, err := os.Open(filePath)
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if err != nil {
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return nil, err
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}
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defer file.Close()
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data := make([]byte, item.Length)
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if _, err := file.ReadAt(data, int64(item.Offset)); err != nil {
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return nil, err
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}
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if len(data) < 32 || !strings.HasPrefix(string(data[:16]), "Neople Img File") {
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return nil, fmt.Errorf("frame audit supports only the 32-byte IMG header")
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}
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count := int(binary.LittleEndian.Uint32(data[28:32]))
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if count < 0 || count > 1_000_000 {
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return nil, fmt.Errorf("unreasonable frame count %d", count)
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}
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offset := 32
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sprites := make([]spriteEntry, 0, count)
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for index := 0; index < count; index++ {
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if offset+8 > len(data) {
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return nil, fmt.Errorf("frame %d header exceeds IMG member", index)
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}
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spriteType := int32(binary.LittleEndian.Uint32(data[offset : offset+4]))
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if spriteType == 0x11 {
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sprites = append(sprites, spriteEntry{
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Index: index,
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Type: spriteType,
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Target: int32(binary.LittleEndian.Uint32(data[offset+4 : offset+8])),
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})
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offset += 8
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continue
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}
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if offset+36 > len(data) {
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return nil, fmt.Errorf("frame %d metadata exceeds IMG member", index)
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}
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readI32 := func(start int) int32 {
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return int32(binary.LittleEndian.Uint32(data[offset+start : offset+start+4]))
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}
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sprites = append(sprites, spriteEntry{
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Index: index,
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Type: spriteType,
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Compression: readI32(4),
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Width: readI32(8),
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Height: readI32(12),
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Length: readI32(16),
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X: readI32(20),
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Y: readI32(24),
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FrameWidth: readI32(28),
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FrameHeight: readI32(32),
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})
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offset += 36
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}
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return sprites, nil
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}
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func readNPK(filePath string) ([]entry, error) {
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file, err := os.Open(filePath)
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if err != nil {
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return nil, err
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}
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defer file.Close()
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header := make([]byte, 20)
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if _, err := io.ReadFull(file, header); err != nil {
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return nil, err
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}
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if string(header[:16]) != npkMagic {
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return nil, fmt.Errorf("invalid magic %q", header[:16])
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}
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count := binary.LittleEndian.Uint32(header[16:20])
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if count > 1_000_000 {
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return nil, fmt.Errorf("unreasonable IMG count %d", count)
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}
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entries := make([]entry, 0, count)
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for index := uint32(0); index < count; index++ {
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row := make([]byte, 264)
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if _, err := io.ReadFull(file, row); err != nil {
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return nil, fmt.Errorf("read index %d: %w", index, err)
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}
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nameBytes := append([]byte(nil), row[8:]...)
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for position := range nameBytes {
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nameBytes[position] ^= npkNameKey[position]
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}
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name := string(nameBytes)
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if zero := strings.IndexByte(name, 0); zero >= 0 {
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name = name[:zero]
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}
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entries = append(entries, entry{
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Offset: binary.LittleEndian.Uint32(row[0:4]),
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Length: binary.LittleEndian.Uint32(row[4:8]),
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Name: strings.TrimSpace(name),
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})
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}
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return entries, nil
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}
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func readIMGMetadata(filePath string, item entry) (uint32, uint32, string, error) {
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file, err := os.Open(filePath)
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if err != nil {
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return 0, 0, "", err
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}
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defer file.Close()
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if _, err := file.Seek(int64(item.Offset), io.SeekStart); err != nil {
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return 0, 0, "", err
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}
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reader := bufio.NewReader(file)
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magic, err := reader.ReadString(0)
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if err != nil {
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return 0, 0, "", err
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}
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magic = strings.TrimSuffix(magic, "\x00")
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var metadata [16]byte
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if _, err := io.ReadFull(reader, metadata[:]); err != nil {
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return 0, 0, magic, err
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}
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if strings.HasPrefix(magic, "Neople Image File") {
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// Legacy form uses a two-byte reserved field, so its version/count are
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// not aligned with the newer four-int header.
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version := binary.LittleEndian.Uint32(metadata[6:10])
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frames := binary.LittleEndian.Uint32(metadata[10:14])
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return version, frames, magic, nil
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}
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if strings.HasPrefix(magic, "Neople Img File") {
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return binary.LittleEndian.Uint32(metadata[8:12]), binary.LittleEndian.Uint32(metadata[12:16]), magic, nil
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}
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return 0, 0, magic, fmt.Errorf("unsupported IMG magic")
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}
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