Ilia Denisov
112 lines
2.8 KiB
Go
112 lines
2.8 KiB
Go
package game
|
|
|
|
import (
|
|
"encoding/json"
|
|
"slices"
|
|
"strings"
|
|
|
|
"github.com/google/uuid"
|
|
e "github.com/iliadenisov/galaxy/internal/error"
|
|
)
|
|
|
|
type Game struct {
|
|
ID uuid.UUID `json:"id"`
|
|
Age uint `json:"turn"` // Game's turn number
|
|
Map Map `json:"map"`
|
|
Race []Race `json:"races"`
|
|
ShipGroups []ShipGroup `json:"shipGroup,omitempty"`
|
|
Fleets []Fleet `json:"fleet,omitempty"`
|
|
}
|
|
|
|
func (g Game) Votes(raceID uuid.UUID) float64 {
|
|
// XXX: calculate [Race]Population once when loading Game from Storage?
|
|
var pop float64
|
|
for i := range g.Map.Planet {
|
|
if g.Map.Planet[i].Owner == raceID {
|
|
pop += g.Map.Planet[i].Population
|
|
}
|
|
}
|
|
return pop / 1000.
|
|
}
|
|
|
|
func (g Game) raceIndex(name string) (int, error) {
|
|
i := slices.IndexFunc(g.Race, func(r Race) bool { return r.Name == name })
|
|
if i < 0 {
|
|
return i, e.NewRaceUnknownError(name)
|
|
}
|
|
return i, nil
|
|
}
|
|
|
|
func (g Game) UpdateRelation(race, opponent string, rel Relation) error {
|
|
ri, err := g.raceIndex(race)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var other int
|
|
if race == opponent {
|
|
other = ri
|
|
} else if other, err = g.raceIndex(opponent); err != nil {
|
|
return err
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return g.updateRelationInternal(ri, other, rel)
|
|
}
|
|
|
|
func (g Game) updateRelationInternal(ri, other int, rel Relation) error {
|
|
for o := range g.Race[ri].Relations {
|
|
switch {
|
|
case ri == other:
|
|
g.Race[ri].Relations[o].Relation = rel
|
|
case g.Race[ri].Relations[o].RaceID == g.Race[other].ID:
|
|
g.Race[ri].Relations[o].Relation = rel
|
|
return nil
|
|
}
|
|
}
|
|
if ri != other {
|
|
return e.NewGameStateError("UpdateRelation: opponent not found")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (g Game) Relation(hostRace, opponentRace string) (RaceRelation, error) {
|
|
ri, err := g.raceIndex(hostRace)
|
|
if err != nil {
|
|
return RaceRelation{}, err
|
|
}
|
|
other, err := g.raceIndex(opponentRace)
|
|
if err != nil {
|
|
return RaceRelation{}, err
|
|
}
|
|
return g.relationInternal(ri, other)
|
|
}
|
|
|
|
func (g Game) relationInternal(ri, other int) (RaceRelation, error) {
|
|
rel := slices.IndexFunc(g.Race[ri].Relations, func(r RaceRelation) bool { return r.RaceID == g.Race[other].ID })
|
|
if rel < 0 {
|
|
return RaceRelation{}, e.NewGameStateError("Relation: opponent not found")
|
|
}
|
|
return g.Race[ri].Relations[rel], nil
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
// validateTypeName always return v without leading and trailing spaces
|
|
func validateTypeName(v string) (string, bool) {
|
|
s := strings.TrimSpace(v)
|
|
if len(s) > 0 {
|
|
return s, true
|
|
}
|
|
// TODO: special symbols AND include error check in all user-input test
|
|
return s, false
|
|
}
|
|
|
|
func (g Game) MarshalBinary() (data []byte, err error) {
|
|
return json.Marshal(&g)
|
|
}
|
|
|
|
func (g *Game) UnmarshalBinary(data []byte) error {
|
|
return json.Unmarshal(data, g)
|
|
}
|