/
room.go
114 lines (90 loc) · 2.35 KB
/
room.go
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package room
import (
"crypto/rand"
"encoding/base64"
"encoding/json"
"errors"
"log"
"strings"
"time"
socketio "github.com/googollee/go-socket.io"
)
func GetRandomRoomID() (string, error) {
rb := make([]byte, 4)
_, err := rand.Read(rb)
if err != nil {
return "", err
}
ret := base64.URLEncoding.EncodeToString(rb)
ret = strings.Replace(ret, "=", "0", -1)
return ret, nil
}
type Player struct {
Name string `json:"Name"`
TimeLeft time.Duration `json:"TimeLeft"`
}
func NewPlayer(name string, t time.Duration) *Player {
return &Player{
Name: name,
TimeLeft: t,
}
}
type Room struct {
socket *socketio.Server // Socket to bind to this room
RoomID string `json:"RoomID"` // Unique id of this room
RoomName string `json:"RoomName"` // Name of this room
Players []*Player `json:"Players"` // List of players in the room
NumPlayers int `json:"NumPlayers"` // Number of players expected in the room
CurrentPlayer int `json:"CurrentPlayer"` // Current player index
TimeStart time.Duration `json:"TimeStart"` // Time each player starts with
TimePerRound time.Duration `json:"TimePerRound"` // Time added each round
RoundNum int // Current "round"
}
func NewRoom(socket *socketio.Server, name string, count int, start, perRound time.Duration) (*Room, error) {
if count <= 0 {
return nil, errors.New("need 0 or more players")
}
id, err := GetRandomRoomID()
if err != nil {
return nil, err
}
return &Room{
socket: socket,
RoomID: id,
RoomName: name,
Players: []*Player{},
NumPlayers: count,
CurrentPlayer: -1, // game not started
RoundNum: -1, // game not started
TimeStart: start,
TimePerRound: perRound,
}, nil
}
func (r *Room) GetID() string {
return r.RoomID
}
func (r *Room) AddPlayer(p *Player) error {
existingPlayer := false
for _, player := range r.Players {
if player.Name == p.Name {
existingPlayer = true
}
}
if !existingPlayer {
r.Players = append(r.Players, p)
}
// Update the room for everyone
return r.BroadcastRoomUpdate()
}
func (r *Room) BroadcastUpdate(msg string) error {
log.Printf("BroadcastUpdate: %v\n", msg)
r.socket.BroadcastTo(r.RoomID, "update-room", msg)
return nil
}
func (r *Room) BroadcastRoomUpdate() error {
bs, err := json.Marshal(r)
if err != nil {
return err
}
return r.BroadcastUpdate(string(bs))
}