101 lines
2.8 KiB
Go
101 lines
2.8 KiB
Go
package agent
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import (
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"cmp"
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"fmt"
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"math"
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"slices"
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"git.adyxax.org/adyxax/spacetraders/golang/pkg/model"
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)
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func distance2(a *model.Waypoint, b *model.Waypoint) int {
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x2 := a.X - b.X
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y2 := a.Y - b.Y
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return x2*x2 + y2*y2
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}
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func (a *agent) isThereAShipAtWaypoint(waypointSymbol string) bool {
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for _, ship := range a.ships {
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if ship.Nav.WaypointSymbol == waypointSymbol {
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return true
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}
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}
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return false
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}
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func (a *agent) listWaypointsInSystemWithTrait(systemSymbol string, trait string) ([]model.Waypoint, error) {
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waypoints, err := a.client.ListWaypointsInSystem(systemSymbol, a.db)
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if err != nil {
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return nil, fmt.Errorf("failed to list waypoints with trait: %w", err)
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}
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waypoints = slices.DeleteFunc(waypoints, func(waypoint model.Waypoint) bool {
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for _, t := range waypoint.Traits {
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if t.Symbol == trait {
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return false
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}
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}
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return true
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})
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return waypoints, nil
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}
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func (a *agent) listShipyardsInSystem(systemSymbol string) ([]model.Shipyard, error) {
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waypoints, err := a.listWaypointsInSystemWithTrait(systemSymbol, "SHIPYARD")
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if err != nil {
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return nil, fmt.Errorf("failed to list shipyards in system %s: %w", systemSymbol, err)
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}
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var shipyards []model.Shipyard
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for i := range waypoints {
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shipyard, err := a.client.GetShipyard(&waypoints[i], a.db)
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if err != nil {
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return nil, fmt.Errorf("failed to list shipyards in system %s: %w", systemSymbol, err)
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}
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shipyards = append(shipyards, *shipyard)
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}
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return shipyards, nil
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}
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func (a *agent) sendShipToShipyardThatSells(ship *model.Ship, shipType string) error {
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shipyards, err := a.listShipyardsInSystem(ship.Nav.SystemSymbol)
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if err != nil {
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return fmt.Errorf("failed to send ship %s to a shipyard that sells %s: %w", ship.Symbol, shipType, err)
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}
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// filter out the shipyards that do not sell our ship
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shipyards = slices.DeleteFunc(shipyards, func(shipyard model.Shipyard) bool {
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for _, t := range shipyard.ShipTypes {
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if t.Type == shipType {
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return false
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}
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}
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return true
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})
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// sort by cheapest
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slices.SortFunc(shipyards, func(a, b model.Shipyard) int {
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aPrice := math.MaxInt
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for _, ship := range a.Ships {
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if ship.Type == shipType {
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aPrice = ship.PurchasePrice
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break
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}
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}
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bPrice := math.MaxInt
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for _, ship := range b.Ships {
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if ship.Type == shipType {
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bPrice = ship.PurchasePrice
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break
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}
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}
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return cmp.Compare(aPrice, bPrice)
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})
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if err := a.client.Navigate(ship, shipyards[0].Symbol, a.db); err != nil {
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return fmt.Errorf("failed to send ship %s to a shipyard that sells %s: %w", ship.Symbol, shipType, err)
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}
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return nil
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}
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func sortByDistanceFrom(origin *model.Waypoint, destinations []model.Waypoint) {
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slices.SortFunc(destinations, func(a, b model.Waypoint) int {
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return cmp.Compare(distance2(origin, &a), distance2(origin, &b))
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})
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}
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