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package agent
import (
"cmp"
"fmt"
"slices"
"git.adyxax.org/adyxax/spacetraders/golang/pkg/model"
)
type Point interface {
GetX() int
GetY() int
}
func distance2(a Point, b Point) int {
x2 := a.GetX() - b.GetX()
y2 := a.GetY() - b.GetY()
return x2*x2 + y2*y2
}
func (a *agent) isThereAShipAtWaypoint(waypoint *model.Waypoint) bool {
for _, ship := range a.ships {
if ship.Nav.WaypointSymbol == waypoint.Symbol {
return true
}
}
return false
}
func (a *agent) listWaypointsInSystemWithTrait(system *model.System, trait string) ([]model.Waypoint, error) {
waypoints, err := a.client.ListWaypointsInSystem(system, a.db)
if err != nil {
return nil, fmt.Errorf("failed to list waypoints with trait: %w", err)
}
waypoints = slices.DeleteFunc(waypoints, func(waypoint model.Waypoint) bool {
for _, t := range waypoint.Traits {
if t.Symbol == trait {
return false
}
}
return true
})
return waypoints, nil
}
func (a *agent) listShipyardsInSystem(system *model.System) ([]model.Shipyard, error) {
waypoints, err := a.listWaypointsInSystemWithTrait(system, "SHIPYARD")
if err != nil {
return nil, fmt.Errorf("failed to list shipyards in system: %w", err)
}
var shipyards []model.Shipyard
for i := range waypoints {
shipyard, err := a.client.GetShipyard(&waypoints[i], a.db)
if err != nil {
return nil, fmt.Errorf("failed to list shipyards in system: %w", err)
}
shipyards = append(shipyards, *shipyard)
}
return shipyards, nil
}
func sortByDistanceFrom[P Point](origin P, destinations []P) {
slices.SortFunc(destinations, func(a, b P) int {
return cmp.Compare(distance2(origin, a), distance2(origin, b))
})
}
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