1
1
mirror of https://github.com/OpenDiablo2/OpenDiablo2 synced 2024-11-18 02:16:23 -05:00
OpenDiablo2/d2core/d2asset/file_manager.go

87 lines
2.3 KiB
Go

package d2asset
import (
"strings"
"github.com/OpenDiablo2/OpenDiablo2/d2common"
"github.com/OpenDiablo2/OpenDiablo2/d2core/d2config"
)
const (
fileBudget = 1024 * 1024 * 32
)
type fileManager struct {
cache *d2common.Cache
archiveManager *archiveManager
config d2config.Configuration
}
func createFileManager(config d2config.Configuration, archiveManager *archiveManager) *fileManager {
return &fileManager{d2common.CreateCache(fileBudget), archiveManager, config}
}
func (fm *fileManager) loadFile(filePath string) ([]byte, error) {
filePath = fm.fixupFilePath(filePath)
if value, found := fm.cache.Retrieve(filePath); found {
return value.([]byte), nil
}
archive, err := fm.archiveManager.loadArchiveForFile(filePath)
if err != nil {
return nil, err
}
data, err := archive.ReadFile(filePath)
if err != nil {
return nil, err
}
if err := fm.cache.Insert(filePath, data, len(data)); err != nil {
return nil, err
}
return data, nil
}
func (fm *fileManager) fileExists(filePath string) (bool, error) {
filePath = fm.fixupFilePath(filePath)
return fm.archiveManager.fileExistsInArchive(filePath)
}
func (fm *fileManager) fixupFilePath(filePath string) string {
filePath = strings.ReplaceAll(filePath, "{LANG}", fm.config.Language)
if fm.config.Language != "ENG" {
filePath = strings.ReplaceAll(filePath, "expansionstring", "string")
}
// hack, no string table entries present in d2exp, set to english instead
if fm.config.Language == "RUS" {
filePath = strings.ReplaceAll(filePath, "RUS", "ENG")
}
// hack, POR doesn't have string.tbl
if fm.config.Language == "POR" {
toReplace := "POR/string.tbl"
fallback := "ENG/string.tbl"
filePath = strings.ReplaceAll(filePath, toReplace, fallback)
}
// hack, POL doesn't have string.tbl
if fm.config.Language == "POL" {
toReplace := "POL/string.tbl"
fallback := "ENG/string.tbl"
filePath = strings.ReplaceAll(filePath, toReplace, fallback)
}
// hack, CHI doesn't have the fonts in the mpq
// if strings.ToUpper(d2resource.LanguageCode) == "CHI" {
// filePath = strings.ReplaceAll(filePath, "{LANG_FONT}", fm.config.Language)
// } else {
filePath = strings.ReplaceAll(filePath, "{LANG_FONT}", "latin")
// }
filePath = strings.ToLower(filePath)
filePath = strings.ReplaceAll(filePath, `/`, "\\")
filePath = strings.TrimPrefix(filePath, "\\")
return filePath
}