85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
package d2filemanager
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import (
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"strings"
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"github.com/OpenDiablo2/OpenDiablo2/d2core/d2archivemanager"
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"github.com/OpenDiablo2/OpenDiablo2/d2common"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2config"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2resource"
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)
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const (
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FileBudget = 1024 * 1024 * 32
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)
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type FileManager struct {
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cache *d2common.Cache
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archiveManager *d2archivemanager.ArchiveManager
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config *d2config.Configuration
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}
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func CreateFileManager(config *d2config.Configuration, archiveManager *d2archivemanager.ArchiveManager) *FileManager {
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return &FileManager{d2common.CreateCache(FileBudget), archiveManager, config}
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}
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func (fm *FileManager) SetCacheVerbose(verbose bool) {
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fm.cache.SetCacheVerbose(verbose)
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}
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func (fm *FileManager) ClearCache() {
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fm.cache.Clear()
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}
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func (fm *FileManager) GetCacheWeight() int {
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return fm.cache.GetWeight()
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}
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func (fm *FileManager) GetCacheBudget() int {
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return fm.cache.GetBudget()
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}
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func (fm *FileManager) LoadFile(filePath string) ([]byte, error) {
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filePath = fm.fixupFilePath(filePath)
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if value, found := fm.cache.Retrieve(filePath); found {
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return value.([]byte), nil
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}
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archive, err := fm.archiveManager.LoadArchiveForFile(filePath)
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if err != nil {
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return nil, err
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}
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data, err := archive.ReadFile(filePath)
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if err != nil {
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return nil, err
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}
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if err := fm.cache.Insert(filePath, data, len(data)); err != nil {
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return nil, err
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}
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return data, nil
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}
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func (fm *FileManager) FileExists(filePath string) (bool, error) {
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filePath = fm.fixupFilePath(filePath)
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return fm.archiveManager.FileExistsInArchive(filePath)
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}
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func (fm *FileManager) fixupFilePath(filePath string) string {
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filePath = strings.ReplaceAll(filePath, "{LANG}", fm.config.Language)
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if strings.ToUpper(d2resource.LanguageCode) == "CHI" {
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filePath = strings.ReplaceAll(filePath, "{LANG_FONT}", fm.config.Language)
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} else {
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filePath = strings.ReplaceAll(filePath, "{LANG_FONT}", "latin")
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}
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filePath = strings.ToLower(filePath)
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filePath = strings.ReplaceAll(filePath, `/`, "\\")
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filePath = strings.TrimPrefix(filePath, "\\")
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return filePath
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}
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