43 lines
679 B
Go
43 lines
679 B
Go
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package mapblockparser
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import (
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"errors"
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"compress/zlib"
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"bytes"
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"io"
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"strconv"
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log "github.com/sirupsen/logrus"
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)
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//TODO: mapdata struct with accessors
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func parseMapdata(mapblock *MapBlock, data []byte) (int, error) {
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log.WithFields(log.Fields{
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"data-length": len(data),
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}).Debug("Parsing map-data")
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r := bytes.NewReader(data)
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cr := new(CountedReader)
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cr.Reader = r
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z, err := zlib.NewReader(cr)
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if err != nil {
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return 0, err
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}
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defer z.Close()
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buf := new(bytes.Buffer)
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io.Copy(buf, z)
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if buf.Len() != 16384 {
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return 0, errors.New("Mapdata length invalid: " + strconv.Itoa(buf.Len()))
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}
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mapblock.Mapdata = buf.Bytes()
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return cr.Count, nil
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}
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