2020-06-27 06:49:27 +00:00
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package d2mpq
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2020-07-13 13:05:04 +00:00
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import "github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
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2020-09-14 18:47:11 +00:00
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var _ d2interface.DataStream = &MpqDataStream{} // Static check to confirm struct conforms to interface
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2020-07-13 13:05:04 +00:00
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2020-06-29 02:32:34 +00:00
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// MpqDataStream represents a stream for MPQ data.
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2020-06-27 06:49:27 +00:00
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type MpqDataStream struct {
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stream *Stream
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}
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2020-06-29 02:32:34 +00:00
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// Read reads data from the data stream
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2020-06-27 06:49:27 +00:00
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func (m *MpqDataStream) Read(p []byte) (n int, err error) {
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2021-01-08 20:46:11 +00:00
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totalRead, err := m.stream.Read(p, 0, uint32(len(p)))
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return int(totalRead), err
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2020-06-27 06:49:27 +00:00
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}
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2020-06-29 02:32:34 +00:00
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// Seek sets the position of the data stream
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2020-06-27 06:49:27 +00:00
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func (m *MpqDataStream) Seek(offset int64, whence int) (int64, error) {
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2021-01-08 20:46:11 +00:00
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m.stream.Position = uint32(offset + int64(whence))
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return int64(m.stream.Position), nil
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2020-06-27 06:49:27 +00:00
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}
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2020-06-29 02:32:34 +00:00
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// Close closes the data stream
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2020-06-27 06:49:27 +00:00
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func (m *MpqDataStream) Close() error {
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m.stream = nil
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return nil
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}
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