func (gameWrapper *GameWrapper) verifyValidMove(unitId int, player *game.Player, locations []game.Location) error {
if len(locations) < 1 {
message := "must supply more than zero locations"
logger.Warnf(message)
return errors.New(message)
}
tiles := make([]game.Terrain, len(locations))
terrain := gameWrapper.world.GetTerrain()
for i, location := range locations {
tiles[i] = terrain[location.GetX()][location.GetY()]
}
for _, location := range locations[1:] {
err := gameWrapper.world.IsUnitAtLocation(location)
if err != nil {
logger.Warn(err)
return errors.New(fmt.Sprintf("Cannot pass through units at (%d, %d)", location.GetX(), location.GetY()))
}
}
unit, err := gameWrapper.world.GetAndVerifyOwnedUnit(player, unitId)
if err != nil {
return err
}
return game.ValidMove(unit.GetMovement().GetDistance(), unit.GetMovement(), tiles, locations)
}
func (world *World) IsUnitAtLocation(location Location) error {
_, ok := world.unitMap[location]
if ok {
logger.Warn(world.unitMap)
return errors.New(fmt.Sprintf("There is a unit at the location (%d, %d)", location.x, location.y))
} else {
return nil
}
}
func DamageUnit(attacker *Unit, index int, defender *Unit) (bool, error) {
if len(attacker.attacks) > index {
alive, err := defender.receiveDamage(calculateDamage(attacker.attacks[index], defender.armor))
logger.Info("Defender is %t still alive with %d health", alive, defender.health)
return alive, err
} else {
logger.Warn("Player does not have %d attacks (has %d)", index, len(attacker.attacks))
return true, errors.New("Player does not have that many attacks")
}
}
func (world *World) GetUnitAtLocation(location Location) (*Unit, error) {
unit, ok := world.unitMap[location]
if ok {
return unit, nil
} else {
message := fmt.Sprintf("No unit located at (%d, %d)", location.x, location.y)
logger.Warn(message)
return nil, errors.New(message)
}
}
func (world *World) GetUnitFromId(unitId int) (*Unit, error) {
unit, ok := world.units[unitId]
if ok {
return unit, nil
} else {
message := fmt.Sprintf("No unit with id %d", unitId)
logger.Warn(message)
return nil, errors.New(message)
}
}