mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-11-07 18:57:18 -05:00
46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
package d2ds1
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import (
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2datautils"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
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)
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// WallRecord represents a wall record.
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type WallRecord struct {
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Type d2enum.TileType
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Zero byte
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Prop1 byte
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Sequence byte
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Unknown1 byte
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Style byte
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Unknown2 byte
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hidden byte
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RandomIndex byte
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YAdjust int
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}
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// Hidden returns if wall is hidden
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func (w *WallRecord) Hidden() bool {
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return w.hidden > 0
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}
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// Encode adds wall's record's bytes into stream writer given
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func (w *WallRecord) Encode(sw *d2datautils.StreamWriter) {
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sw.PushBits32(uint32(w.Prop1), 8)
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sw.PushBits32(uint32(w.Sequence), 6)
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sw.PushBits32(uint32(w.Unknown1), 6)
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sw.PushBits32(uint32(w.Style), 6)
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sw.PushBits32(uint32(w.Unknown2), 5)
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sw.PushBits32(uint32(w.hidden), 1)
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}
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// Decode decodes wall record
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func (w *WallRecord) Decode(dw uint32) {
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w.Prop1 = byte(dw & 0x000000FF) //nolint:gomnd // Bitmask
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w.Sequence = byte((dw & 0x00003F00) >> 8) //nolint:gomnd // Bitmask
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w.Unknown1 = byte((dw & 0x000FC000) >> 14) //nolint:gomnd // Bitmask
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w.Style = byte((dw & 0x03F00000) >> 20) //nolint:gomnd // Bitmask
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w.Unknown2 = byte((dw & 0x7C000000) >> 26) //nolint:gomnd // Bitmask
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w.hidden = byte((dw & 0x80000000) >> 31) //nolint:gomnd // Bitmask
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}
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