// ToWire converts the board to the wire representation with respect to the
// given faction (since the wire factions are us vs. them).
func (b *Board) ToWire(out botapi.Board, faction int) error {
out.SetWidth(uint16(b.Size.X))
out.SetHeight(uint16(b.Size.Y))
out.SetRound(int32(b.Round))
n := 0
for _, r := range b.cells {
if r != nil {
n++
}
}
robots, err := botapi.NewRobot_List(out.Segment(), int32(n))
if err != nil {
return err
}
if err = out.SetRobots(robots); err != nil {
return err
}
n = 0
for i, r := range b.cells {
if r == nil {
continue
}
outr := robots.At(n)
outr.SetId(uint32(r.ID))
outr.SetX(uint16(i % b.Size.X))
outr.SetY(uint16(i / b.Size.X))
outr.SetHealth(int16(r.Health))
if r.Faction == faction {
outr.SetFaction(botapi.Faction_mine)
} else {
outr.SetFaction(botapi.Faction_opponent)
}
n++
}
return nil
}
