1 files changed, 93 insertions, 0 deletions
diff --git a/demo/mvd/cmd.go b/demo/mvd/cmd.go
new file mode 100644
index 0000000..d89f492
--- /dev/null
+++ b/demo/mvd/cmd.go
@@ -0,0 +1,93 @@
+package mvd
+
+import (
+	"github.com/osm/quake/common/buffer"
+	"github.com/osm/quake/common/context"
+)
+
+type Cmd struct {
+	Msec      byte
+	UserAngle [3]float32
+	Forward   uint16
+	Side      uint16
+	Up        uint16
+	Buttons   byte
+	Impulse   byte
+	Padding   [3]byte
+	Angle     [3]float32
+}
+
+func (cmd *Cmd) Bytes() []byte {
+	buf := buffer.New()
+
+	buf.PutByte(cmd.Msec)
+
+	for i := 0; i < 3; i++ {
+		buf.PutFloat32(cmd.UserAngle[i])
+	}
+
+	buf.PutUint16(cmd.Forward)
+	buf.PutUint16(cmd.Side)
+	buf.PutUint16(cmd.Up)
+	buf.PutByte(cmd.Buttons)
+	buf.PutByte(cmd.Impulse)
+
+	for i := 0; i < 3; i++ {
+		buf.PutByte(cmd.Padding[i])
+	}
+
+	for i := 0; i < 3; i++ {
+		buf.PutFloat32(cmd.Angle[i])
+	}
+
+	return buf.Bytes()
+}
+
+func parseCmd(ctx *context.Context, buf *buffer.Buffer) (*Cmd, error) {
+	var err error
+	var cmd Cmd
+
+	if cmd.Msec, err = buf.ReadByte(); err != nil {
+		return nil, err
+	}
+
+	for i := 0; i < 3; i++ {
+		if cmd.UserAngle[i], err = buf.GetFloat32(); err != nil {
+			return nil, err
+		}
+	}
+
+	if cmd.Forward, err = buf.GetUint16(); err != nil {
+		return nil, err
+	}
+
+	if cmd.Side, err = buf.GetUint16(); err != nil {
+		return nil, err
+	}
+
+	if cmd.Up, err = buf.GetUint16(); err != nil {
+		return nil, err
+	}
+
+	if cmd.Buttons, err = buf.ReadByte(); err != nil {
+		return nil, err
+	}
+
+	if cmd.Impulse, err = buf.ReadByte(); err != nil {
+		return nil, err
+	}
+
+	for i := 0; i < 3; i++ {
+		if cmd.Padding[i], err = buf.ReadByte(); err != nil {
+			return nil, err
+		}
+	}
+
+	for i := 0; i < 3; i++ {
+		if cmd.Angle[i], err = buf.GetFloat32(); err != nil {
+			return nil, err
+		}
+	}
+
+	return &cmd, nil
+}