a geicko-2 based round robin ranking system designed to test c++ battleship submissions
battleship.dunkirk.sh
feat: add social tags
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README.md
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README.md
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# Battleship Arena
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This is a service I made to allow students in my `cs-1210` class to benchmark their battleship programs against each other.
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## I just want to get on the leaderboard; How?
battleship-arena
battleship-arena
This is a binary file and will not be displayed.
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cmd/battleship-arena/main.go
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cmd/battleship-arena/main.go
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r.Get("/play/{aiName}", server.HandlePlayPage)
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r.Get("/api/available-ais", server.HandleAvailableAIs)
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r.HandleFunc("/ws/game", game.HandleGameWebSocket)
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r.Get("/og-image.png", server.HandleOGImage)
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r.Get("/", server.HandleLeaderboard)
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log.Println("Server running at " + cfg.ExternalURL)
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internal/server/play.go
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internal/server/play.go
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<title>Play Battleship - Battleship Arena</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="description" content="Challenge student-coded AI opponents in real-time Battleship battles. Test your strategy against competitive algorithms.">
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<meta name="keywords" content="battleship, play online, AI opponent, strategy game, multiplayer battleship">
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<!-- Open Graph / Facebook -->
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<meta property="og:type" content="website">
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<meta property="og:url" content="{{.ServerURL}}/play">
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<meta property="og:title" content="Play Battleship - Challenge AI Opponents">
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<meta property="og:description" content="Challenge student-coded AI opponents in real-time Battleship battles. Test your strategy against competitive algorithms.">
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<meta property="og:image" content="https://hc-cdn.hel1.your-objectstorage.com/s/v3/d5baa2ef6d8e9f89_10379.png">
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<!-- Twitter -->
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<meta property="twitter:card" content="summary_large_image">
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<meta property="twitter:url" content="{{.ServerURL}}/play">
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<meta property="twitter:title" content="Play Battleship - Challenge AI Opponents">
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<meta property="twitter:description" content="Challenge student-coded AI opponents in real-time Battleship battles. Test your strategy against competitive algorithms.">
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<meta property="twitter:image" content="https://hc-cdn.hel1.your-objectstorage.com/s/v3/d5baa2ef6d8e9f89_10379.png">
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<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>⚓</text></svg>">
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<link rel="canonical" href="{{.ServerURL}}/play">
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<style>
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* {
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margin: 0;
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internal/server/users.go
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internal/server/users.go
···
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Entry *storage.LeaderboardEntry
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Submissions []storage.SubmissionWithStats
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PublicKeyDisplay string
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ServerURL string
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}{
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User: user,
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Entry: userEntry,
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Submissions: submissions,
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PublicKeyDisplay: publicKeyDisplay,
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ServerURL: GetServerURL(),
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}
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tmpl.Execute(w, data)
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}
···
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return
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}
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data := struct {
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Users []storage.User
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ServerURL string
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}{
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Users: users,
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ServerURL: GetServerURL(),
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}
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tmpl := template.Must(template.New("users").Parse(usersListHTML))
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tmpl.Execute(w, users)
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tmpl.Execute(w, data)
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}
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func formatPublicKey(key string) string {
···
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<title>{{.User.Name}} (@{{.User.Username}}) - Battleship Arena</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="description" content="Profile for {{.User.Name}} (@{{.User.Username}}) - View their Battleship AI performance, ranking, and match history.">
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<!-- Open Graph / Facebook -->
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<meta property="og:type" content="profile">
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<meta property="og:url" content="{{.ServerURL}}/user/{{.User.Username}}">
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<meta property="og:title" content="{{.User.Name}} (@{{.User.Username}}) - Battleship Arena">
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<meta property="og:description" content="View {{.User.Name}}'s Battleship AI performance and match history.">
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<meta property="og:image" content="https://hc-cdn.hel1.your-objectstorage.com/s/v3/d5baa2ef6d8e9f89_10379.png">
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<!-- Twitter -->
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<meta property="twitter:card" content="summary">
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<meta property="twitter:url" content="{{.ServerURL}}/user/{{.User.Username}}">
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<meta property="twitter:title" content="{{.User.Name}} (@{{.User.Username}}) - Battleship Arena">
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<meta property="twitter:description" content="View {{.User.Name}}'s Battleship AI performance and match history.">
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<meta property="twitter:image" content="https://hc-cdn.hel1.your-objectstorage.com/s/v3/d5baa2ef6d8e9f89_10379.png">
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<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>⚓</text></svg>">
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<link rel="canonical" href="{{.ServerURL}}/user/{{.User.Username}}">
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<style>
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* {
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margin: 0;
···
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<title>Users - Battleship Arena</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="description" content="Browse all registered users and participants in the Battleship Arena AI competition.">
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<!-- Open Graph / Facebook -->
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<meta property="og:type" content="website">
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<meta property="og:url" content="{{.ServerURL}}/users">
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<meta property="og:title" content="Users - Battleship Arena">
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<meta property="og:description" content="Browse all registered users and participants in the Battleship Arena AI competition.">
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<meta property="og:image" content="https://hc-cdn.hel1.your-objectstorage.com/s/v3/d5baa2ef6d8e9f89_10379.png">
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<!-- Twitter -->
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<meta property="twitter:card" content="summary">
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<meta property="twitter:url" content="{{.ServerURL}}/users">
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<meta property="twitter:title" content="Users - Battleship Arena">
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<meta property="twitter:description" content="Browse all registered users and participants in the Battleship Arena AI competition.">
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<meta property="twitter:image" content="https://hc-cdn.hel1.your-objectstorage.com/s/v3/d5baa2ef6d8e9f89_10379.png">
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<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>⚓</text></svg>">
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<link rel="canonical" href="{{.ServerURL}}/users">
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<style>
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* {
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margin: 0;
···
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<div class="container">
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<a href="/" class="back-link">← Back to Leaderboard</a>
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<h1>Players</h1>
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<p style="color: #94a3b8; margin-bottom: 2rem;">{{len .}} registered users</p>
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<p style="color: #94a3b8; margin-bottom: 2rem;">{{len .Users}} registered users</p>
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<div class="users-grid">
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{{range .}}
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{{range .Users}}
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<a href="/user/{{.Username}}" class="user-card">
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<div class="user-name">{{.Name}}</div>
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<div class="user-handle">@{{.Username}}</div>
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internal/server/web.go
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internal/server/web.go
···
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>Battleship Arena</title>
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<title>Battleship Arena - AI Competition Leaderboard</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="description" content="Competitive Battleship AI arena. Watch student-coded algorithms battle it out using C++ and Glicko-2 rankings.">
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<meta name="keywords" content="battleship, AI, competition, leaderboard, programming, C++, algorithms, game AI">
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<meta name="author" content="Battleship Arena">
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<!-- Open Graph / Facebook -->
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<meta property="og:type" content="website">
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<meta property="og:url" content="{{.ServerURL}}">
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<meta property="og:title" content="Battleship Arena - AI Competition Leaderboard">
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<meta property="og:description" content="Competitive Battleship AI arena. Watch student-coded algorithms battle it out using C++ and Glicko-2 rankings.">
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<meta property="og:image" content="https://hc-cdn.hel1.your-objectstorage.com/s/v3/d5baa2ef6d8e9f89_10379.png">
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<!-- Twitter -->
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<meta property="twitter:card" content="summary_large_image">
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<meta property="twitter:url" content="{{.ServerURL}}">
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<meta property="twitter:title" content="Battleship Arena - AI Competition Leaderboard">
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<meta property="twitter:description" content="Competitive Battleship AI arena. Watch student-coded algorithms battle it out using C++ and Glicko-2 rankings.">
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<meta property="twitter:image" content="https://hc-cdn.hel1.your-objectstorage.com/s/v3/d5baa2ef6d8e9f89_10379.png">
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<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>⚓</text></svg>">
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<link rel="canonical" href="{{.ServerURL}}">
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<style>
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* {
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margin: 0;
···
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if err := tmpl.Execute(w, data); err != nil {
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http.Error(w, fmt.Sprintf("Template error: %v", err), http.StatusInternalServerError)
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}
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}
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func HandleOGImage(w http.ResponseWriter, r *http.Request) {
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// Redirect to the hosted image
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http.Redirect(w, r, "https://hc-cdn.hel1.your-objectstorage.com/s/v3/d5baa2ef6d8e9f89_10379.png", http.StatusMovedPermanently)
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}
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func HandleAPILeaderboard(w http.ResponseWriter, r *http.Request) {