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Add proper support for chunk modification timestamps (#260)

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This commit is contained in:
Maxim Zhuchkov
2023-07-12 03:56:31 +03:00
committed by GitHub
parent 15478690a0
commit fe34dbd8bb
1 changed files with 5 additions and 3 deletions
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8
save/region/mca.go
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@ -16,10 +16,11 @@ var (
)
// Region contain 32*32 chunks in one .mca file
// Not MT-Safe!
type Region struct {
f io.ReadWriteSeeker
offsets [32][32]int32
timestamps [32][32]int32
Timestamps [32][32]int32
// sectors record if a sector is in used.
// contrary to mojang's, because false is the default value in Go.
@ -70,7 +71,7 @@ func Load(f io.ReadWriteSeeker) (r *Region, err error) {
r.sectors[0] = true
// read the timestamps
err = binary.Read(r.f, binary.BigEndian, &r.timestamps)
err = binary.Read(r.f, binary.BigEndian, &r.Timestamps)
if err != nil {
return nil, err
}
@ -114,7 +115,7 @@ func CreateWriter(f io.ReadWriteSeeker) (r *Region, err error) {
r.sectors[0] = true
// write the timestamps
err = binary.Write(r.f, binary.BigEndian, &r.timestamps)
err = binary.Write(r.f, binary.BigEndian, &r.Timestamps)
if err != nil {
_ = r.Close()
return nil, err
@ -207,6 +208,7 @@ func (r *Region) WriteSector(x, z int, data []byte) error {
if err != nil {
return err
}
r.Timestamps[x][z] = int32(time.Now().Unix())
}
_, err := r.f.Seek(4096*int64(n), 0)