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data encoding: DC6

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This commit is contained in:
M. Sz 2021-02-01 12:53:32 +01:00
parent 60c1b4ea26
commit 84c87b2eb8
1 changed files with 35 additions and 0 deletions
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35
d2common/d2fileformats/d2dc6/dc6.go
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@ -146,6 +146,41 @@ func (d *DC6) loadFrames(r *d2datautils.StreamReader) error {
return nil
}
// Marshal encodes dc6 animation back into byte slice
func (d *DC6) Marshal() []byte {
sw := d2datautils.CreateStreamWriter()
// Encode header
sw.PushInt32(d.Version)
sw.PushUint32(d.Flags)
sw.PushUint32(d.Encoding)
sw.PushBytes(d.Termination...)
sw.PushUint32(d.Directions)
sw.PushUint32(d.FramesPerDirection)
// load frames
for _, i := range d.FramePointers {
sw.PushUint32(i)
}
for i := range d.Frames {
sw.PushUint32(d.Frames[i].Flipped)
sw.PushUint32(d.Frames[i].Width)
sw.PushUint32(d.Frames[i].Height)
sw.PushInt32(d.Frames[i].OffsetX)
sw.PushInt32(d.Frames[i].OffsetY)
sw.PushUint32(d.Frames[i].Unknown)
sw.PushUint32(d.Frames[i].NextBlock)
sw.PushUint32(d.Frames[i].Length)
sw.PushBytes(d.Frames[i].FrameData...)
sw.PushBytes(d.Frames[i].Terminator...)
}
return sw.GetBytes()
}
// DecodeFrame decodes the given frame to an indexed color texture
func (d *DC6) DecodeFrame(frameIndex int) []byte {
frame := d.Frames[frameIndex]