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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// Wall represents a wall record.
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type Wall 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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HiddenBytes 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 *Wall) Hidden() bool {
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return w.HiddenBytes > 0
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}
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// Decode decodes wall record
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func (w *Wall) Decode(dw uint32) {
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w.Prop1 = byte((dw & prop1Bitmask) >> prop1Offset)
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w.Sequence = byte((dw & sequenceBitmask) >> sequenceOffset)
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w.Unknown1 = byte((dw & unknown1Bitmask) >> unknown1Offset)
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w.Style = byte((dw & styleBitmask) >> styleOffset)
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w.Unknown2 = byte((dw & unknown2Bitmask) >> unknown2Offset)
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w.HiddenBytes = byte((dw & hiddenBitmask) >> hiddenOffset)
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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 *Wall) Encode(sw *d2datautils.StreamWriter) {
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sw.PushBits32(uint32(w.Prop1), prop1Length)
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sw.PushBits32(uint32(w.Sequence), sequenceLength)
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sw.PushBits32(uint32(w.Unknown1), unknown1Length)
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sw.PushBits32(uint32(w.Style), styleLength)
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sw.PushBits32(uint32(w.Unknown2), unknown2Length)
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sw.PushBits32(uint32(w.HiddenBytes), hiddenLength)
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}
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