mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-11-17 18:06:03 -05:00
7f6ae1b785
* improve AssetManager implementation Notable changes are: * removed the individual managers inside of d2asset, only one asset manager * AssetManager now has caches for the types of files it loads * created a type for TextDictionary (the txt file structs) * fixed a file path bug in d2loader Source * fixed a asset stream bug in d2loader Asset * d2loader.Loader now needs a d2config.Config on creation (for resolving locale files) * updated the mpq file in d2asset test data, added test case for "sub-directory" * added a Data method to d2asset.Asset. The data is cached on first full read. * renamed ArchiveDataStream to DataStream in d2interface * moved palette utility func out of d2asset and into d2util * bugfix for MacOS mpq loader issue * minor lint fixes * removed obsolete interfaces from d2interface * lint fixes, added data caching to filesystem asset * adding comment for mpq asset close * adding comment for mpq asset close
94 lines
1.8 KiB
Go
94 lines
1.8 KiB
Go
package filesystem
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2loader/asset"
|
|
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2loader/asset/types"
|
|
)
|
|
|
|
const (
|
|
bufLength = 32
|
|
)
|
|
|
|
// static check that Asset implements Asset
|
|
var _ asset.Asset = &Asset{}
|
|
|
|
// Asset represents an asset that is in the host filesystem
|
|
type Asset struct {
|
|
assetType types.AssetType
|
|
source *Source
|
|
data []byte
|
|
path string
|
|
file *os.File
|
|
}
|
|
|
|
// Type returns the asset type
|
|
func (fsa *Asset) Type() types.AssetType {
|
|
return fsa.assetType
|
|
}
|
|
|
|
// Source returns the asset source that this asset was loaded from
|
|
func (fsa *Asset) Source() asset.Source {
|
|
return fsa.source
|
|
}
|
|
|
|
// Path returns the sub-path (within the asset source Root) for this asset
|
|
func (fsa *Asset) Path() string {
|
|
return fsa.path
|
|
}
|
|
|
|
// Read reads bytes into the given byte buffer
|
|
func (fsa *Asset) Read(p []byte) (n int, err error) {
|
|
return fsa.file.Read(p)
|
|
}
|
|
|
|
// Seek seeks within the file
|
|
func (fsa *Asset) Seek(offset int64, whence int) (int64, error) {
|
|
return fsa.file.Seek(offset, whence)
|
|
}
|
|
|
|
// Close closes the file
|
|
func (fsa *Asset) Close() error {
|
|
return fsa.file.Close()
|
|
}
|
|
|
|
// Data returns the raw file data as a slice of bytes
|
|
func (fsa *Asset) Data() ([]byte, error) {
|
|
if fsa.file == nil {
|
|
return nil, fmt.Errorf("asset has no file: %s", fsa.Path())
|
|
}
|
|
|
|
if fsa.data != nil {
|
|
return fsa.data, nil
|
|
}
|
|
|
|
_, seekErr := fsa.file.Seek(0, 0)
|
|
if seekErr != nil {
|
|
return nil, seekErr
|
|
}
|
|
|
|
buf := make([]byte, bufLength)
|
|
data := make([]byte, 0)
|
|
|
|
for {
|
|
numBytesRead, readErr := fsa.Read(buf)
|
|
|
|
data = append(data, buf[:numBytesRead]...)
|
|
|
|
if readErr != nil {
|
|
break
|
|
}
|
|
}
|
|
|
|
fsa.data = data
|
|
|
|
return data, nil
|
|
}
|
|
|
|
// String returns the path
|
|
func (fsa *Asset) String() string {
|
|
return fsa.Path()
|
|
}
|