a geicko-2 based round robin ranking system designed to test c++ battleship submissions
battleship.dunkirk.sh
feat: seriously revamp the ui
+286
-173
+286
-173
web.go
+286
-173
web.go
···
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const leaderboardHTML = `
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<!DOCTYPE html>
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<html>
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<html lang="en">
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<head>
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<title>Battleship Arena - Leaderboard</title>
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<title>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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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
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max-width: 1200px;
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margin: 0 auto;
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padding: 20px;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
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background: #0f172a;
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color: #e2e8f0;
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min-height: 100vh;
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padding: 2rem 1rem;
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}
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.container {
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background: white;
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border-radius: 12px;
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box-shadow: 0 20px 60px rgba(0,0,0,0.3);
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padding: 40px;
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max-width: 1400px;
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margin: 0 auto;
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}
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h1 {
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color: #333;
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header {
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text-align: center;
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margin-bottom: 10px;
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font-size: 2.5em;
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margin-bottom: 3rem;
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}
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+
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h1 {
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font-size: 3rem;
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font-weight: 800;
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background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
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-webkit-background-clip: text;
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-webkit-text-fill-color: transparent;
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background-clip: text;
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margin-bottom: 0.5rem;
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}
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.subtitle {
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font-size: 1.125rem;
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color: #94a3b8;
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}
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.status-bar {
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 0.5rem;
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margin: 1.5rem 0;
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padding: 0.75rem;
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background: rgba(16, 185, 129, 0.1);
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border: 1px solid rgba(16, 185, 129, 0.2);
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border-radius: 0.5rem;
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font-size: 0.875rem;
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color: #10b981;
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}
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.live-dot {
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width: 8px;
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height: 8px;
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background: #10b981;
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border-radius: 50%;
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animation: pulse 2s ease-in-out infinite;
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}
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@keyframes pulse {
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0%, 100% { opacity: 1; transform: scale(1); }
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50% { opacity: 0.5; transform: scale(1.1); }
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}
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.stats-grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
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gap: 1.5rem;
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margin-bottom: 2rem;
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}
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.stat-card {
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background: #1e293b;
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border: 1px solid #334155;
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border-radius: 0.75rem;
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padding: 1.5rem;
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text-align: center;
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color: #666;
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margin-bottom: 40px;
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font-size: 1.1em;
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}
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.stat-value {
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font-size: 2.5rem;
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font-weight: 700;
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background: linear-gradient(135deg, #3b82f6, #8b5cf6);
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-webkit-background-clip: text;
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-webkit-text-fill-color: transparent;
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background-clip: text;
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}
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.stat-label {
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font-size: 0.875rem;
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color: #94a3b8;
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margin-top: 0.5rem;
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text-transform: uppercase;
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letter-spacing: 0.05em;
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}
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.leaderboard {
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background: #1e293b;
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border: 1px solid #334155;
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border-radius: 0.75rem;
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overflow: hidden;
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margin-bottom: 2rem;
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}
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.leaderboard-header {
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padding: 1.5rem;
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background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
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border-bottom: 1px solid #334155;
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}
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.leaderboard-header h2 {
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font-size: 1.5rem;
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font-weight: 700;
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}
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table {
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width: 100%;
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border-collapse: collapse;
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margin-top: 20px;
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}
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thead {
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background: #0f172a;
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}
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th {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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padding: 15px;
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padding: 1rem 1.5rem;
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text-align: left;
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font-size: 0.75rem;
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font-weight: 600;
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color: #94a3b8;
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text-transform: uppercase;
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letter-spacing: 0.05em;
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}
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th:first-child { width: 80px; }
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th:nth-child(3), th:nth-child(4) { width: 100px; }
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th:nth-child(5) { width: 120px; }
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th:nth-child(6) { width: 120px; }
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th:last-child { width: 150px; }
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tbody tr {
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border-bottom: 1px solid #334155;
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transition: background 0.2s;
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}
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tbody tr:hover {
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background: rgba(59, 130, 246, 0.05);
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}
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tbody tr:last-child {
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border-bottom: none;
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}
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td {
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padding: 12px 15px;
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border-bottom: 1px solid #eee;
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padding: 1.25rem 1.5rem;
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font-size: 0.9375rem;
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}
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tr:hover {
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background: #f8f9fa;
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.rank {
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font-size: 1.25rem;
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font-weight: 700;
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}
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.rank {
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font-weight: bold;
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font-size: 1.1em;
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.rank-1 { color: #fbbf24; }
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.rank-2 { color: #d1d5db; }
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.rank-3 { color: #f59e0b; }
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.player-name {
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font-weight: 600;
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color: #e2e8f0;
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}
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.rank-1 { color: #FFD700; }
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.rank-2 { color: #C0C0C0; }
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.rank-3 { color: #CD7F32; }
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.win-rate {
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font-weight: 600;
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}
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.win-rate-high { color: #10b981; }
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.win-rate-med { color: #f59e0b; }
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.win-rate-low { color: #ef4444; }
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.stage {
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padding: 0.25rem 0.75rem;
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border-radius: 0.375rem;
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display: inline-block;
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padding: 4px 12px;
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border-radius: 12px;
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font-size: 0.85em;
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font-weight: 600;
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}
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.stage-Expert {
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background: #10b981;
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color: white;
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.win-rate-high {
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background: rgba(16, 185, 129, 0.1);
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color: #10b981;
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}
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.stage-Advanced {
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background: #3b82f6;
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color: white;
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.win-rate-med {
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background: rgba(245, 158, 11, 0.1);
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color: #f59e0b;
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}
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.stage-Intermediate {
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background: #f59e0b;
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color: white;
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.win-rate-low {
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background: rgba(239, 68, 68, 0.1);
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color: #ef4444;
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}
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.stage-Beginner {
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background: #6b7280;
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color: white;
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.info-card {
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background: #1e293b;
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border: 1px solid #334155;
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border-radius: 0.75rem;
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padding: 2rem;
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}
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.stats {
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display: flex;
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justify-content: space-around;
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margin-top: 40px;
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padding-top: 30px;
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border-top: 2px solid #eee;
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.info-card h3 {
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font-size: 1.25rem;
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margin-bottom: 1rem;
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color: #e2e8f0;
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}
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.stat {
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text-align: center;
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}
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.stat-value {
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font-size: 2em;
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font-weight: bold;
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color: #667eea;
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}
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.stat-label {
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color: #666;
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margin-top: 5px;
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}
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.instructions {
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background: #f8f9fa;
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padding: 20px;
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border-radius: 8px;
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margin-top: 30px;
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}
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.instructions h3 {
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margin-top: 0;
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color: #333;
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.info-card p {
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color: #94a3b8;
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line-height: 1.6;
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margin-bottom: 0.75rem;
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}
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.instructions code {
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background: #e9ecef;
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padding: 3px 8px;
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border-radius: 4px;
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code {
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background: #0f172a;
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padding: 0.375rem 0.75rem;
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border-radius: 0.375rem;
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font-family: 'Monaco', 'Courier New', monospace;
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font-size: 0.875rem;
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color: #3b82f6;
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}
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.refresh-note {
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.empty-state {
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text-align: center;
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color: #999;
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font-size: 0.9em;
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margin-top: 20px;
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padding: 4rem 2rem;
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color: #64748b;
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}
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.live-indicator {
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display: inline-block;
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width: 10px;
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height: 10px;
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background: #10b981;
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border-radius: 50%;
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animation: pulse 2s infinite;
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margin-right: 8px;
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.empty-state-icon {
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font-size: 3rem;
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margin-bottom: 1rem;
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}
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@keyframes pulse {
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0%, 100% { opacity: 1; }
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50% { opacity: 0.5; }
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}
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.status-bar {
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text-align: center;
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color: #10b981;
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margin-bottom: 20px;
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font-size: 0.9em;
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@media (max-width: 768px) {
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h1 { font-size: 2rem; }
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.subtitle { font-size: 1rem; }
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th, td { padding: 0.75rem 1rem; font-size: 0.875rem; }
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.stat-value { font-size: 2rem; }
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}
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</style>
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<script>
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// Server-Sent Events for live updates
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let eventSource;
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function connectSSE() {
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console.log('Connecting to SSE...');
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eventSource = new EventSource('http://localhost:8081');
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eventSource.onopen = function() {
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eventSource.onopen = () => {
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console.log('SSE connection established');
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document.querySelector('.status-bar').style.borderColor = 'rgba(16, 185, 129, 0.4)';
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};
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eventSource.onmessage = function(event) {
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console.log('SSE message received:', event.data.substring(0, 100) + '...');
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eventSource.onmessage = (event) => {
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try {
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const entries = JSON.parse(event.data);
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console.log('Updating leaderboard with', entries.length, 'entries');
···
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}
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};
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eventSource.onerror = function(error) {
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eventSource.onerror = (error) => {
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console.error('SSE error, reconnecting...', error);
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document.querySelector('.status-bar').style.borderColor = 'rgba(239, 68, 68, 0.4)';
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eventSource.close();
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setTimeout(connectSSE, 5000);
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};
···
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if (!tbody) return;
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if (entries.length === 0) {
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tbody.innerHTML = '<tr><td colspan="8" style="text-align: center; padding: 40px; color: #999;">No submissions yet. Be the first to compete!</td></tr>';
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tbody.innerHTML = '<tr><td colspan="7"><div class="empty-state"><div class="empty-state-icon">🎯</div><div>No submissions yet. Be the first to compete!</div></div></td></tr>';
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return;
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}
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···
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const rank = i + 1;
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const total = e.Wins + e.Losses;
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const winRate = total === 0 ? 0 : ((e.Wins / total) * 100).toFixed(1);
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const winRateClass = winRate >= 80 ? 'win-rate-high' : winRate >= 50 ? 'win-rate-med' : 'win-rate-low';
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const winRateClass = winRate >= 60 ? 'win-rate-high' : winRate >= 40 ? 'win-rate-med' : 'win-rate-low';
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const medals = ['🥇', '🥈', '🥉'];
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const medal = medals[i] || '#' + rank;
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const lastPlayed = new Date(e.LastPlayed).toLocaleDateString('en-US', { month: 'short', day: 'numeric', hour: 'numeric', minute: '2-digit' });
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const medal = medals[i] || rank;
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const lastPlayed = new Date(e.LastPlayed).toLocaleString('en-US', {
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month: 'short',
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day: 'numeric',
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hour: 'numeric',
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minute: '2-digit'
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});
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return '<tr>' +
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'<td class="rank rank-' + rank + '">' + medal + '</td>' +
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'<td><strong>' + e.Username + '</strong></td>' +
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'<td>' + e.Wins + '</td>' +
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'<td>' + e.Losses + '</td>' +
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'<td class="win-rate ' + winRateClass + '">' + winRate + '%</td>' +
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'<td class="player-name">' + e.Username + '</td>' +
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'<td>' + e.Wins.toLocaleString() + '</td>' +
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'<td>' + e.Losses.toLocaleString() + '</td>' +
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'<td><span class="win-rate ' + winRateClass + '">' + winRate + '%</span></td>' +
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'<td>' + e.AvgMoves.toFixed(1) + '</td>' +
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'<td>' + lastPlayed + '</td>' +
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'<td style="color: #64748b;">' + lastPlayed + '</td>' +
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'</tr>';
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}).join('');
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// Update stats
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const statValues = document.querySelectorAll('.stat-value');
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statValues[0].textContent = entries.length;
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const totalGames = entries.reduce((sum, e) => sum + e.Wins + e.Losses, 0) / 2;
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statValues[1].textContent = Math.floor(totalGames);
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const totalGames = entries.reduce((sum, e) => sum + e.Wins + e.Losses, 0);
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statValues[1].textContent = totalGames.toLocaleString();
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}
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window.addEventListener('DOMContentLoaded', () => {
···
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</head>
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<body>
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<div class="container">
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<h1>🚢 Battleship Arena</h1>
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<p class="subtitle">Smart AI Competition</p>
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<header>
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<h1>⚓ BATTLESHIP ARENA</h1>
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<p class="subtitle">AI Strategy Competition</p>
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</header>
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<div class="status-bar">
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<span class="live-indicator"></span>Live Updates Active
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<div class="live-dot"></div>
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<span>Live Updates</span>
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</div>
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<h2 style="text-align: center; color: #333;">📊 Rankings</h2>
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<table>
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<thead>
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-
<tr>
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<th>Rank</th>
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<th>Player</th>
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<th>Wins</th>
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<th>Losses</th>
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<th>Win Rate</th>
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<th>Avg Moves</th>
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<th>Last Played</th>
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</tr>
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</thead>
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<tbody>
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{{if .Entries}}
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{{range $i, $e := .Entries}}
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<tr>
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<td class="rank rank-{{add $i 1}}">{{if lt $i 3}}{{medal $i}}{{else}}#{{add $i 1}}{{end}}</td>
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<td><strong>{{$e.Username}}</strong></td>
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<td>{{$e.Wins}}</td>
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<td>{{$e.Losses}}</td>
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<td class="win-rate {{winRateClass $e}}">{{winRate $e}}%</td>
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<td>{{printf "%.1f" $e.AvgMoves}}</td>
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<td>{{$e.LastPlayed.Format "Jan 2, 3:04 PM"}}</td>
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-
</tr>
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{{end}}
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{{else}}
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<tr>
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<td colspan="8" style="text-align: center; padding: 40px; color: #999;">
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No submissions yet. Be the first to compete!
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</td>
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</tr>
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{{end}}
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</tbody>
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</table>
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-
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<div class="stats">
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-
<div class="stat">
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<div class="stats-grid">
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<div class="stat-card">
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<div class="stat-value">{{.TotalPlayers}}</div>
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<div class="stat-label">Players</div>
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<div class="stat-label">Active Players</div>
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</div>
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<div class="stat">
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<div class="stat-card">
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<div class="stat-value">{{.TotalGames}}</div>
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<div class="stat-label">Games Played</div>
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</div>
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</div>
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-
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<div class="instructions">
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+
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<div class="leaderboard">
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<div class="leaderboard-header">
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<h2>🏆 Leaderboard</h2>
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</div>
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<table>
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<thead>
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<tr>
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<th>Rank</th>
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<th>Player</th>
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<th>Wins</th>
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<th>Losses</th>
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<th>Win Rate</th>
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<th>Avg Moves</th>
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<th>Last Active</th>
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</tr>
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</thead>
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<tbody>
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{{if .Entries}}
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+
{{range $i, $e := .Entries}}
378
+
<tr>
379
+
<td class="rank rank-{{add $i 1}}">{{if lt $i 3}}{{medal $i}}{{else}}{{add $i 1}}{{end}}</td>
380
+
<td class="player-name">{{$e.Username}}</td>
381
+
<td>{{$e.Wins}}</td>
382
+
<td>{{$e.Losses}}</td>
383
+
<td><span class="win-rate {{winRateClass $e}}">{{winRate $e}}%</span></td>
384
+
<td>{{printf "%.1f" $e.AvgMoves}}</td>
385
+
<td style="color: #64748b;">{{$e.LastPlayed.Format "Jan 2, 3:04 PM"}}</td>
386
+
</tr>
387
+
{{end}}
388
+
{{else}}
389
+
<tr>
390
+
<td colspan="7">
391
+
<div class="empty-state">
392
+
<div class="empty-state-icon">🎯</div>
393
+
<div>No submissions yet. Be the first to compete!</div>
394
+
</div>
395
+
</td>
396
+
</tr>
397
+
{{end}}
398
+
</tbody>
399
+
</table>
400
+
</div>
401
+
402
+
<div class="info-card">
288
403
<h3>📤 How to Submit</h3>
289
-
<p>Upload your battleship AI implementation via SSH:</p>
290
-
<code>ssh -p 2222 username@localhost</code>
291
-
<p style="margin-top: 10px;">Then navigate to upload your <code>memory_functions_*.cpp</code> file.</p>
404
+
<p>Connect via SSH to submit your battleship AI:</p>
405
+
<p><code>ssh -p 2222 username@localhost</code></p>
406
+
<p style="margin-top: 1rem;">Upload your <code>memory_functions_*.cpp</code> file and compete in the arena!</p>
292
407
</div>
293
-
294
-
<p class="refresh-note">Updates in real-time via Server-Sent Events</p>
295
408
</div>
296
409
</body>
297
410
</html>
···
322
435
return "win-rate-low"
323
436
}
324
437
rate := float64(e.Wins) / float64(total) * 100
325
-
if rate >= 80 {
438
+
if rate >= 60 {
326
439
return "win-rate-high"
327
-
} else if rate >= 50 {
440
+
} else if rate >= 40 {
328
441
return "win-rate-med"
329
442
}
330
443
return "win-rate-low"