Ilia Denisov
133 lines
3.1 KiB
Go
133 lines
3.1 KiB
Go
package game
|
|
|
|
import "math"
|
|
|
|
type Ship struct {
|
|
TypeName string
|
|
}
|
|
|
|
type ShipType struct {
|
|
Name string
|
|
Drive float64 // [0], [1...]
|
|
Armament uint
|
|
Weapons float64 // [0], [1...]
|
|
Shields float64 // [0], [1...]
|
|
Cargo float64 // [0], [1...]
|
|
}
|
|
|
|
type ShipGroup struct {
|
|
Type ShipType
|
|
Number uint
|
|
State string // TODO: kinda enum: In_Orbit, In_Space, Transfer_State, Upgrade
|
|
Load float64 // Cargo loaded - "Масса груза"
|
|
Drive float64
|
|
Weapons float64
|
|
Shields float64
|
|
Cargo float64
|
|
}
|
|
|
|
type Fleet struct {
|
|
ShipGroups []ShipGroup
|
|
}
|
|
|
|
// TODO: test on real values
|
|
func (st ShipType) EmptyMass() float64 {
|
|
shipMass := st.DriveMass() + st.ShieldsMass() + st.CargoMass() + st.WeaponsMass()
|
|
return shipMass
|
|
}
|
|
|
|
func (st ShipType) DriveMass() float64 {
|
|
return st.Drive
|
|
}
|
|
|
|
func (st ShipType) ShieldsMass() float64 {
|
|
return st.Shields
|
|
}
|
|
|
|
func (st ShipType) CargoMass() float64 {
|
|
return st.Cargo
|
|
}
|
|
|
|
func (st ShipType) WeaponsMass() float64 {
|
|
return float64(st.Armament)*(st.Weapons/2) + st.Weapons/2
|
|
}
|
|
|
|
// Грузоподъёмность
|
|
func (sg ShipGroup) CargoCapacity() float64 {
|
|
return sg.Drive * (sg.Type.Cargo + (sg.Type.Cargo*sg.Type.Cargo)/20)
|
|
}
|
|
|
|
// "Масса перевозимого груза"
|
|
func (sg ShipGroup) CarryingMass() float64 {
|
|
return sg.Load / sg.Cargo
|
|
}
|
|
|
|
func (sg ShipGroup) FullMass() float64 {
|
|
return sg.Type.EmptyMass() + sg.CarryingMass()
|
|
}
|
|
|
|
// "Эффективность двигателя"
|
|
// равна мощности Двигателей умноженной на текущий технологический уровень блока Двигателей
|
|
func (sg ShipGroup) DriveEffective() float64 {
|
|
return sg.Type.Drive * sg.Drive
|
|
}
|
|
|
|
// TODO: test this
|
|
func (sg ShipGroup) Speed() float64 {
|
|
return sg.DriveEffective() * 20 / sg.FullMass()
|
|
}
|
|
|
|
func (sg ShipGroup) UpgradeDriveCost(drive float64) float64 {
|
|
return (1 - sg.Drive/drive) * 10 * sg.Type.Drive
|
|
}
|
|
|
|
// TODO: test on other values
|
|
func (sg ShipGroup) UpgradeWeaponsCost(weapons float64) float64 {
|
|
return (1 - sg.Weapons/weapons) * 10 * sg.Type.WeaponsMass()
|
|
}
|
|
|
|
func (sg ShipGroup) UpgradeShieldsCost(shields float64) float64 {
|
|
return (1 - sg.Shields/shields) * 10 * sg.Type.Shields
|
|
}
|
|
|
|
func (sg ShipGroup) UpgradeCargoCost(cargo float64) float64 {
|
|
return (1 - sg.Cargo/cargo) * 10 * sg.Type.Cargo
|
|
}
|
|
|
|
// Мощность бомбардировки
|
|
// TODO: maybe rounding must be done only for display?
|
|
func (sg ShipGroup) BombingPower() float64 {
|
|
// return math.Sqrt(sg.Type.Weapons * sg.Weapons)
|
|
result := (math.Sqrt(sg.Type.Weapons*sg.Weapons)/10. + 1.) *
|
|
sg.Type.Weapons *
|
|
sg.Weapons *
|
|
float64(sg.Type.Armament) *
|
|
float64(sg.Number)
|
|
return toFixed3(result)
|
|
}
|
|
|
|
// TODO: test this
|
|
func (fl Fleet) Speed() float64 {
|
|
result := math.MaxFloat64
|
|
for _, sg := range fl.ShipGroups {
|
|
if sg.Speed() < result {
|
|
result = sg.Speed()
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
func toFixed3(num float64) float64 {
|
|
return toFixed(num, 3)
|
|
}
|
|
|
|
// TODO: move to more common place
|
|
func toFixed(num float64, precision int) float64 {
|
|
output := math.Pow(10, float64(precision))
|
|
return float64(round(num*output)) / output
|
|
}
|
|
|
|
func round(num float64) int {
|
|
return int(num + math.Copysign(0.5, num))
|
|
}
|