refactor: fleet/group AtPlanet

internal/model/game/group.go

@@ -142,8 +142,7 @@ func (sg ShipGroup) State() ShipGroupState {
 	}
 }
 
-// FIXME: ambigous func, refactor
-func (sg ShipGroup) OnPlanet() (uint, bool) {
+func (sg ShipGroup) AtPlanet() (uint, bool) {
 	switch sg.State() {
 	case StateInOrbit:
 		return sg.Destination, true
@@ -171,7 +170,7 @@ func (sg ShipGroup) Equal(other ShipGroup) bool {
 		sg.TechLevel(TechShields) == other.TechLevel(TechShields) &&
 		sg.TechLevel(TechCargo) == other.TechLevel(TechCargo) &&
 		sg.CargoType == other.CargoType &&
-		sg.Load.F()/float64(sg.Number) == other.Load.F()/float64(other.Number) &&
+		(sg.Load/F(float64(sg.Number))).F() == (other.Load/F(float64(other.Number))).F() &&
 		sg.State() == other.State()
 }