86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"net"
|
|
"os"
|
|
"strings"
|
|
)
|
|
|
|
func PlayMultiplayer(addr string) {
|
|
conn, err := net.Dial("tcp", addr)
|
|
if err != nil {
|
|
fmt.Printf("Error connecting to %s: %v\n", addr, err)
|
|
os.Exit(1)
|
|
}
|
|
defer conn.Close()
|
|
fmt.Printf("Connected to %s\n", addr)
|
|
fmt.Fprintln(conn, "HELLO")
|
|
serverReader := bufio.NewReader(conn)
|
|
clientReader := bufio.NewReader(os.Stdin)
|
|
welcome, _ := serverReader.ReadString('\n')
|
|
fmt.Print(welcome)
|
|
line, _ := serverReader.ReadString('\n')
|
|
line = strings.TrimSpace(line)
|
|
if line == "WAITING" {
|
|
fmt.Println("Waiting for an opponent...")
|
|
line, _ = serverReader.ReadString('\n')
|
|
line = strings.TrimSpace(line)
|
|
}
|
|
if !strings.HasPrefix(line, "MATCHED") {
|
|
fmt.Println("Failed to join a game.")
|
|
return
|
|
}
|
|
parts := strings.Split(line, " ")
|
|
myColor := parts[2]
|
|
fmt.Printf("\nMatched! You play %s.\n", myColor)
|
|
fmt.Println("Moves: e2e4, g1f3, e7e8q | RESIGN | QUIT")
|
|
fmt.Println()
|
|
gameOver := false
|
|
for !gameOver {
|
|
header, err := serverReader.ReadString('\n')
|
|
if err != nil {
|
|
fmt.Println("\nConnection lost.")
|
|
break
|
|
}
|
|
header = strings.TrimSpace(header)
|
|
switch {
|
|
case header == "BOARD":
|
|
var lines []string
|
|
for {
|
|
bl, err := serverReader.ReadString('\n')
|
|
if err != nil {
|
|
break
|
|
}
|
|
bl = strings.TrimRight(bl, "\n")
|
|
if bl == "" {
|
|
break
|
|
}
|
|
lines = append(lines, bl)
|
|
}
|
|
joined := strings.Join(lines, " ")
|
|
fmt.Println(strings.Join(lines, "\n"))
|
|
fmt.Println()
|
|
if strings.Contains(joined, "WINS") || strings.Contains(joined, "STALEMATE") {
|
|
gameOver = true
|
|
}
|
|
case strings.HasPrefix(header, "ERROR"):
|
|
fmt.Printf(" %s\n", header)
|
|
default:
|
|
}
|
|
if !gameOver {
|
|
fmt.Print("You> ")
|
|
input, _ := clientReader.ReadString('\n')
|
|
input = strings.TrimSpace(input)
|
|
if input == "QUIT" {
|
|
fmt.Println("Disconnecting...")
|
|
break
|
|
}
|
|
fmt.Fprintln(conn, input)
|
|
}
|
|
}
|
|
fmt.Println("Goodbye!")
|
|
}
|
|
|