Ola
78 lines
1.3 KiB
Go
78 lines
1.3 KiB
Go
package main
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import (
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"net/http"
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"strings"
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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"github.com/olahol/melody"
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)
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type GopherInfo struct {
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ID, X, Y string
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}
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func main() {
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r := gin.Default()
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m := melody.New()
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r.GET("/", func(c *gin.Context) {
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http.ServeFile(c.Writer, c.Request, "index.html")
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})
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r.GET("/ws", func(c *gin.Context) {
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m.HandleRequest(c.Writer, c.Request)
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})
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m.HandleConnect(func(s *melody.Session) {
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ss, _ := m.Sessions()
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for _, o := range ss {
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value, exists := o.Get("info")
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if !exists {
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continue
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}
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info := value.(*GopherInfo)
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s.Write([]byte("set " + info.ID + " " + info.X + " " + info.Y))
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}
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id := uuid.NewString()
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s.Set("info", &GopherInfo{id, "0", "0"})
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s.Write([]byte("iam " + id))
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})
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m.HandleDisconnect(func(s *melody.Session) {
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value, exists := s.Get("info")
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if !exists {
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return
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}
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info := value.(*GopherInfo)
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m.BroadcastOthers([]byte("dis "+info.ID), s)
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})
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m.HandleMessage(func(s *melody.Session, msg []byte) {
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p := strings.Split(string(msg), " ")
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value, exists := s.Get("info")
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if len(p) != 2 || !exists {
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return
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}
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info := value.(*GopherInfo)
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info.X = p[0]
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info.Y = p[1]
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m.BroadcastOthers([]byte("set "+info.ID+" "+info.X+" "+info.Y), s)
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})
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r.Run(":5000")
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}
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