mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-09-06 11:34:15 -04:00
* d2mpq refactor * d2mpq refactor last standing lint error * d2mpq refactor: less linter noise * d2mpq refactor: more linter issues
46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package d2mpq
|
|
|
|
import "io"
|
|
|
|
// Hash represents a hashed file entry in the MPQ file
|
|
type Hash struct { // 16 bytes
|
|
A uint32
|
|
B uint32
|
|
Locale uint16
|
|
Platform uint16
|
|
BlockIndex uint32
|
|
}
|
|
|
|
// Name64 returns part A and B as uint64
|
|
func (h *Hash) Name64() uint64 {
|
|
return uint64(h.A)<<32 | uint64(h.B)
|
|
}
|
|
|
|
//nolint:gomnd // number
|
|
func (mpq *MPQ) readHashTable() error {
|
|
if _, err := mpq.file.Seek(int64(mpq.header.HashTableOffset), io.SeekStart); err != nil {
|
|
return err
|
|
}
|
|
|
|
hashData, err := decryptTable(mpq.file, mpq.header.HashTableEntries, "(hash table)")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
mpq.hashes = make(map[uint64]*Hash)
|
|
|
|
for n, i := uint32(0), uint32(0); i < mpq.header.HashTableEntries; n, i = n+4, i+1 {
|
|
e := &Hash{
|
|
A: hashData[n],
|
|
B: hashData[n+1],
|
|
// https://github.com/OpenDiablo2/OpenDiablo2/issues/812
|
|
Locale: uint16(hashData[n+2] >> 16), //nolint:gomnd // // binary data
|
|
Platform: uint16(hashData[n+2] & 0xFFFF), //nolint:gomnd // // binary data
|
|
BlockIndex: hashData[n+3],
|
|
}
|
|
mpq.hashes[e.Name64()] = e
|
|
}
|
|
|
|
return nil
|
|
}
|