func (p *Position) ToMessage() *message.Position {
x := round(p.X) % message.BlockLen
y := round(p.Y) % message.BlockLen
bx := round((p.X - float64(x)) / message.BlockLen)
by := round((p.Y - float64(y)) / message.BlockLen)
return &message.Position{
BX: message.BlockCoord(bx),
BY: message.BlockCoord(by),
X: message.PointCoord(x),
Y: message.PointCoord(y),
}
}
if code != message.LoginResponseCodes["ok"] {
return nil
}
conn.State = message.LoggedIn
// Get entity
session := ctx.Auth.GetSession(conn.Id)
if session == nil {
return errors.New("Cannot get newly logged in user's session")
}
// Send initial terrain
log.Println("Sending initial terrain")
pos := session.Entity.Position
radius := message.BlockCoord(8)
blks := []*message.Block{}
for i := pos.BX - radius; i <= pos.BX+radius; i++ {
for j := pos.BY - radius; j <= pos.BY+radius; j++ {
blk, err := ctx.Terrain.GetBlockAt(i, j)
if err != nil {
log.Println("Cannot send initial terrain to client", err)
continue
}
blks = append(blks, blk)
}
}
err = conn.Write(func(w io.Writer) error {
return builder.SendChunksUpdate(w, ctx.Clock.GetRelativeTick(), blks)
})