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package setangle
import (
"github.com/osm/quake/common/buffer"
"github.com/osm/quake/common/context"
"github.com/osm/quake/protocol"
"github.com/osm/quake/protocol/mvd"
)
type Command struct {
AngleSize uint8
MVDProtocolExtension uint32
IsMVD bool
MVDAngleIndex byte
Angle [3]float32
}
func (cmd *Command) Bytes() []byte {
buf := buffer.New()
writeAngle := buf.PutAngle8
if cmd.AngleSize == 2 {
writeAngle = buf.PutAngle16
}
buf.PutByte(protocol.SVCSetAngle)
if cmd.IsMVD || cmd.MVDProtocolExtension&mvd.ExtensionHighLagTeleport != 0 {
buf.PutByte(cmd.MVDAngleIndex)
}
for i := 0; i < 3; i++ {
writeAngle(cmd.Angle[i])
}
return buf.Bytes()
}
func Parse(ctx *context.Context, buf *buffer.Buffer) (*Command, error) {
var err error
var cmd Command
cmd.MVDProtocolExtension = ctx.GetMVDProtocolExtension()
cmd.IsMVD = ctx.GetIsMVD()
cmd.AngleSize = ctx.GetAngleSize()
readAngle := buf.GetAngle8
if cmd.AngleSize == 2 {
readAngle = buf.GetAngle16
}
if cmd.IsMVD || cmd.MVDProtocolExtension&mvd.ExtensionHighLagTeleport != 0 {
if cmd.MVDAngleIndex, err = buf.ReadByte(); err != nil {
return nil, err
}
}
for i := 0; i < 3; i++ {
if cmd.Angle[i], err = readAngle(); err != nil {
return nil, err
}
}
return &cmd, nil
}
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