Ilia Denisov
119 lines
2.6 KiB
Go
119 lines
2.6 KiB
Go
package game
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import (
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"slices"
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"github.com/google/uuid"
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e "github.com/iliadenisov/galaxy/internal/error"
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)
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type Race struct {
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ID uuid.UUID `json:"id"`
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Name string `json:"name"`
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Extinct bool `json:"extinct"`
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Vote uuid.UUID `json:"vote"`
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Relations []RaceRelation `json:"relations"`
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Tech TechSet `json:"tech"`
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Sciences []Science `json:"science,omitempty"`
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ShipTypes []ShipType `json:"shipType,omitempty"`
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}
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type Relation string
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const (
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RelationWar Relation = "War"
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RelationPeace Relation = "Peace"
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)
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type RaceRelation struct {
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RaceID uuid.UUID `json:"raceId"`
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Relation Relation `json:"relation"`
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}
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func (r Race) TechLevel(t Tech) float64 {
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return r.Tech.Value(t)
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}
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// TODO: refactor to separate method with *Race as parameter
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func (r *Race) SetTechLevel(t Tech, v float64) {
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r.Tech = r.Tech.Set(t, v)
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}
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func (r Race) FlightDistance() float64 {
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return r.TechLevel(TechDrive) * 40
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}
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func (r Race) VisibilityDistance() float64 {
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return r.TechLevel(TechDrive) * 30
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}
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func (g Game) Relation(hostRace, opponentRace string) (RaceRelation, error) {
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ri, err := g.raceIndex(hostRace)
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if err != nil {
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return RaceRelation{}, err
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}
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other, err := g.raceIndex(opponentRace)
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if err != nil {
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return RaceRelation{}, err
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}
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return g.relationInternal(ri, other)
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}
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func (g Game) UpdateRelation(race, opponent string, rel Relation) error {
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ri, err := g.raceIndex(race)
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if err != nil {
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return err
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}
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var other int
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if race == opponent {
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other = ri
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} else if other, err = g.raceIndex(opponent); err != nil {
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return err
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}
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if err != nil {
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return err
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}
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return g.updateRelationInternal(ri, other, rel)
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}
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func (g *Game) GiveVotes(race, recipient string) error {
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ri, err := g.raceIndex(race)
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if err != nil {
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return err
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}
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rec, err := g.raceIndex(recipient)
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if err != nil {
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return err
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}
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g.Race[ri].Vote = g.Race[rec].ID
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return nil
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}
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func (g Game) relationInternal(ri, other int) (RaceRelation, error) {
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rel := slices.IndexFunc(g.Race[ri].Relations, func(r RaceRelation) bool { return r.RaceID == g.Race[other].ID })
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if rel < 0 {
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return RaceRelation{}, e.NewGameStateError("Relation: opponent not found")
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}
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return g.Race[ri].Relations[rel], nil
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}
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func (g Game) updateRelationInternal(ri, other int, rel Relation) error {
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for o := range g.Race[ri].Relations {
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switch {
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case ri == other:
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g.Race[ri].Relations[o].Relation = rel
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case g.Race[ri].Relations[o].RaceID == g.Race[other].ID:
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g.Race[ri].Relations[o].Relation = rel
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return nil
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}
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}
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if ri != other {
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return e.NewGameStateError("UpdateRelation: opponent not found")
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}
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return nil
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}
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