refactor: planet industry production

internal/model/game/group.go

@@ -113,7 +113,7 @@ type ShipGroup struct {
 	CargoType     *CargoType `json:"loadType,omitempty"` //
 	Load          Float      `json:"load"`               // Cargo loaded - "Масса груза"
 	Tech          TechSet    `json:"tech"`               //
-	Destination   uint       `json:"destination"`        // TODO: TEST: Destination, Origin, Range
+	Destination   uint       `json:"destination"`        //
 	StateInSpace  *InSpace   `json:"inSpace,omitempty"`  //
 	StateUpgrade  *InUpgrade `json:"upgrade,omitempty"`  //
 	StateTransfer bool       `json:"transfer,omitempty"` //
@@ -123,7 +123,6 @@ func (sg ShipGroup) TechLevel(t Tech) Float {
 	return F(sg.Tech.Value(t))
 }
 
-// TODO: refactor to separate method with *ShipGroup as parameter
 func (sg *ShipGroup) SetTechLevel(t Tech, v float64) {
 	sg.Tech = sg.Tech.Set(t, v)
 }
@@ -213,23 +212,6 @@ func (sg ShipGroup) Speed(st *ShipType) float64 {
 	return sg.DriveEffective(st) * 20 / sg.FullMass(st)
 }
 
-func (sg ShipGroup) UpgradeDriveCost(st *ShipType, drive float64) float64 {
-	return (1 - sg.TechLevel(TechDrive).F()/drive) * 10 * st.Drive.F()
-}
-
-// TODO: test on other values
-func (sg ShipGroup) UpgradeWeaponsCost(st *ShipType, weapons float64) float64 {
-	return (1 - sg.TechLevel(TechWeapons).F()/weapons) * 10 * st.WeaponsBlockMass()
-}
-
-func (sg ShipGroup) UpgradeShieldsCost(st *ShipType, shields float64) float64 {
-	return (1 - sg.TechLevel(TechShields).F()/shields) * 10 * st.Shields.F()
-}
-
-func (sg ShipGroup) UpgradeCargoCost(st *ShipType, cargo float64) float64 {
-	return (1 - sg.TechLevel(TechCargo).F()/cargo) * 10 * st.Cargo.F()
-}
-
 // Мощность бомбардировки
 func (sg ShipGroup) BombingPower(st *ShipType) float64 {
 	return (math.Sqrt(st.Weapons.F()*sg.TechLevel(TechWeapons).F())/10. + 1.) *