Ilia Denisov
75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
package controller
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import (
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e "github.com/iliadenisov/galaxy/internal/error"
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"github.com/iliadenisov/galaxy/internal/model/game"
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"github.com/iliadenisov/galaxy/internal/util"
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)
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func (c *Controller) SendFleet(raceName, fleetName string, planetNumber uint) error {
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ri, err := c.Cache.raceIndex(raceName)
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if err != nil {
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return err
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}
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fi, ok := c.Cache.fleetIndex(ri, fleetName)
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if !ok {
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return e.NewEntityNotExistsError("fleet %q", fleetName)
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}
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return c.Cache.SendFleet(ri, fi, planetNumber)
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}
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func (c *Cache) SendFleet(ri, fi int, planetNumber uint) error {
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c.validateRaceIndex(ri)
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c.validateFleetIndex(fi)
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fleetState := c.FleetState(c.g.Fleets[fi].ID)
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sourcePlanet, ok := fleetState.AtPlanet()
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if !ok || game.StateInOrbit != fleetState.State && game.StateLaunched != fleetState.State {
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return e.NewShipsBusyError()
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}
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p1, ok := c.Planet(sourcePlanet)
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if !ok {
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return e.NewGameStateError("source planet #%d does not exists", sourcePlanet)
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}
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p2, ok := c.Planet(planetNumber)
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if !ok {
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return e.NewEntityNotExistsError("destination planet #%d", planetNumber)
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}
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rangeToDestination := util.ShortDistance(c.g.Map.Width, c.g.Map.Height, p1.X.F(), p1.Y.F(), p2.X.F(), p2.Y.F())
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if rangeToDestination > c.g.Race[ri].FlightDistance() {
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return e.NewSendUnreachableDestinationError("range=%.03f", rangeToDestination)
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}
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for sg := range c.FleetGroups(ri, fi) {
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st := c.MustShipType(ri, sg.TypeID)
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if st.DriveBlockMass() == 0 {
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return e.NewSendShipHasNoDrivesError("Class=%s", st.Name)
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}
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}
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if sourcePlanet == planetNumber {
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c.UnsendFleet(ri, fi)
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return nil
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}
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c.LaunchFleet(ri, fi, planetNumber)
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return nil
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}
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func (c *Cache) LaunchFleet(ri, fi int, destination uint) {
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c.validateRaceIndex(ri)
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c.validateFleetIndex(fi)
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for sg := range c.FleetGroups(ri, fi) {
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c.LaunchShips(sg, destination)
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}
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}
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func (c *Cache) UnsendFleet(ri, fi int) {
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c.validateRaceIndex(ri)
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c.validateFleetIndex(fi)
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for sg := range c.FleetGroups(ri, fi) {
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c.UnsendShips(sg)
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}
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}
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