Ilia Denisov
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
package game
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import (
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"encoding/json"
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"github.com/google/uuid"
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e "github.com/iliadenisov/galaxy/pkg/error"
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)
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type Game struct {
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ID uuid.UUID `json:"id"`
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Age uint `json:"turn"` // Game's turn number
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Map Map `json:"map"`
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Race []Race `json:"races"`
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}
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func (g Game) Votes(raceID uuid.UUID) float64 {
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// XXX: calculate [Race]Population once when loading Game from Storage?
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var pop float64
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for i := range g.Map.Planet {
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if g.Map.Planet[i].Owner == raceID {
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pop += g.Map.Planet[i].Population
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}
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}
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return pop / 1000.
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}
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func (g Game) HostRaceID(name string) (uuid.UUID, error) {
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if v, ok := g.raceID(name); ok {
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return v, nil
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}
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return uuid.Nil, e.NewHostRaceUnknownError(name)
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}
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func (g Game) OpponentRaceID(name string) (uuid.UUID, error) {
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if v, ok := g.raceID(name); ok {
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return v, nil
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}
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return uuid.Nil, e.NewOpponentRaceUnknownError(name)
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}
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func (g Game) raceID(raceName string) (uuid.UUID, bool) {
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for i := range g.Race {
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if g.Race[i].Name == raceName {
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return g.Race[i].ID, true
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}
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}
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return uuid.Nil, false
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}
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func (g Game) UpdateRelation(hostID, opponentID uuid.UUID, rel Relation) error {
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for r := range g.Race {
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if g.Race[r].ID == hostID {
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for o := range g.Race[r].Relations {
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if g.Race[r].Relations[o].RaceID == opponentID {
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g.Race[r].Relations[o].Relation = rel
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return nil
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}
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}
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return e.NewGameStateError("UpdateRelation: opponent not found")
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}
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}
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return e.NewGameStateError("UpdateRelation: host %v not found", hostID)
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}
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func (g Game) MarshalBinary() (data []byte, err error) {
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return json.Marshal(&g)
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}
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func (g *Game) UnmarshalBinary(data []byte) error {
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return json.Unmarshal(data, g)
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}
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