mirror of
https://github.com/Luzifer/scs-extract.git
synced 2024-12-20 13:31:16 +00:00
89 lines
1.9 KiB
Go
89 lines
1.9 KiB
Go
package scs
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const offsetBlockSize = 16 // byte
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type (
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iMetaEntry interface {
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Fill(*catalogMetaEntry)
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}
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metaEntry struct {
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t metaEntryType
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p iMetaEntry
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}
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metaEntryBrokenOctal [3]byte
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metaEntryBrokenOctalImage [4]byte
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metaEntryType struct {
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Index metaEntryBrokenOctal
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Type catalogMetaEntryType
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}
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metaEntryDir struct {
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CompressedSize metaEntryBrokenOctal
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Flags byte
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Size uint32
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Unknown2 uint32
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OffsetBlock uint32
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}
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metaEntryFile struct {
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CompressedSize metaEntryBrokenOctal
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Flags byte
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Size uint32
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Unknown2 uint32
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OffsetBlock uint32
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}
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metaEntryImage struct {
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Unknown1 uint64
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TextureWidth uint16
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TextureHeight uint16
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ImgFlags uint32
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SampleFlags uint32
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CompressedSize metaEntryBrokenOctalImage
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Unknown3 [8]byte
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OffsetBlock uint32
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}
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)
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func (m metaEntry) Fill(c *catalogMetaEntry) {
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c.Index = m.t.Index.Uint32()
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m.p.Fill(c)
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}
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func (m metaEntryDir) Fill(c *catalogMetaEntry) {
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c.IsDirectory = true
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c.Offset = uint64(m.OffsetBlock) * offsetBlockSize
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c.CompressedSize = m.CompressedSize.Uint32()
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c.Size = m.Size
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c.Flags = m.Flags
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}
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func (m metaEntryFile) Fill(c *catalogMetaEntry) {
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c.Offset = uint64(m.OffsetBlock) * offsetBlockSize
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c.CompressedSize = m.CompressedSize.Uint32()
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c.Size = m.Size
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c.Flags = m.Flags
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}
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func (m metaEntryImage) Fill(c *catalogMetaEntry) {
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c.Offset = uint64(m.OffsetBlock) * offsetBlockSize
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c.CompressedSize = m.CompressedSize.Uint32()
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c.Size = m.CompressedSize.Uint32()
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c.IsCompressed = m.CompressedSize.IsCompressed()
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}
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func (m metaEntryBrokenOctal) Uint32() uint32 {
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return uint32(m[0]) + uint32(m[1])<<8 + uint32(m[2])<<16
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}
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func (m metaEntryBrokenOctalImage) IsCompressed() bool {
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return (m[3] & 0xf0) != 0 //nolint:mnd
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}
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func (m metaEntryBrokenOctalImage) Uint32() uint32 {
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return uint32(m[0]) + uint32(m[1])<<8 + uint32(m[2])<<16 + uint32(m[3])<<24
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}
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