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diff --git a/lib/tetris_store.php b/lib/tetris_store.php
new file mode 100644
index 0000000..6a713dc
--- /dev/null
+++ b/lib/tetris_store.php
@@ -0,0 +1,166 @@
+exec(
+ "CREATE TABLE IF NOT EXISTS tetris_scores (
+ id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+ player_name VARCHAR(32) NOT NULL,
+ score INT UNSIGNED NOT NULL DEFAULT 0,
+ lines_cleared INT UNSIGNED NOT NULL DEFAULT 0,
+ level_reached INT UNSIGNED NOT NULL DEFAULT 1,
+ duration_seconds INT UNSIGNED NOT NULL DEFAULT 0,
+ client_signature VARCHAR(64) DEFAULT NULL,
+ created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ INDEX idx_score_order (score DESC, lines_cleared DESC, level_reached DESC, duration_seconds ASC)
+ ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci"
+ );
+
+ $ready = true;
+}
+
+function tetrisNormalizePlayerName(string $name): string
+{
+ $name = trim(preg_replace('/\s+/', ' ', $name) ?? '');
+ return function_exists('mb_substr') ? mb_substr($name, 0, 32) : substr($name, 0, 32);
+}
+
+function tetrisFetchTopScores(int $limit = 10): array
+{
+ tetrisEnsureSchema();
+ $limit = max(1, min(100, $limit));
+ $stmt = db()->query(
+ "SELECT id, player_name, score, lines_cleared, level_reached, duration_seconds, created_at
+ FROM tetris_scores
+ ORDER BY score DESC, lines_cleared DESC, level_reached DESC, duration_seconds ASC, id ASC
+ LIMIT {$limit}"
+ );
+
+ return $stmt->fetchAll() ?: [];
+}
+
+function tetrisFetchRecentScores(int $limit = 8): array
+{
+ tetrisEnsureSchema();
+ $limit = max(1, min(100, $limit));
+ $stmt = db()->query(
+ "SELECT id, player_name, score, lines_cleared, level_reached, duration_seconds, created_at
+ FROM tetris_scores
+ ORDER BY id DESC
+ LIMIT {$limit}"
+ );
+
+ return $stmt->fetchAll() ?: [];
+}
+
+function tetrisFetchScore(int $id): ?array
+{
+ tetrisEnsureSchema();
+ $stmt = db()->prepare(
+ 'SELECT id, player_name, score, lines_cleared, level_reached, duration_seconds, created_at
+ FROM tetris_scores
+ WHERE id = :id
+ LIMIT 1'
+ );
+ $stmt->bindValue(':id', $id, PDO::PARAM_INT);
+ $stmt->execute();
+ $score = $stmt->fetch();
+
+ return $score ?: null;
+}
+
+function tetrisFetchScoreRank(int $id): ?int
+{
+ $score = tetrisFetchScore($id);
+ if (!$score) {
+ return null;
+ }
+
+ $stmt = db()->prepare(
+ 'SELECT COUNT(*) + 1 AS score_rank
+ FROM tetris_scores
+ WHERE score > :score
+ OR (score = :score AND lines_cleared > :lines)
+ OR (score = :score AND lines_cleared = :lines AND level_reached > :level)
+ OR (score = :score AND lines_cleared = :lines AND level_reached = :level AND duration_seconds < :duration)
+ OR (score = :score AND lines_cleared = :lines AND level_reached = :level AND duration_seconds = :duration AND id < :id)'
+ );
+ $stmt->bindValue(':score', (int) $score['score'], PDO::PARAM_INT);
+ $stmt->bindValue(':lines', (int) $score['lines_cleared'], PDO::PARAM_INT);
+ $stmt->bindValue(':level', (int) $score['level_reached'], PDO::PARAM_INT);
+ $stmt->bindValue(':duration', (int) $score['duration_seconds'], PDO::PARAM_INT);
+ $stmt->bindValue(':id', (int) $score['id'], PDO::PARAM_INT);
+ $stmt->execute();
+
+ return (int) ($stmt->fetchColumn() ?: 1);
+}
+
+function tetrisInsertScore(array $input): array
+{
+ tetrisEnsureSchema();
+
+ $playerName = tetrisNormalizePlayerName((string) ($input['player_name'] ?? ''));
+ $score = (int) ($input['score'] ?? 0);
+ $lines = (int) ($input['lines_cleared'] ?? 0);
+ $level = (int) ($input['level_reached'] ?? 1);
+ $duration = (int) ($input['duration_seconds'] ?? 0);
+ $clientSignature = trim((string) ($input['client_signature'] ?? ''));
+
+ $playerLength = function_exists('mb_strlen') ? mb_strlen($playerName) : strlen($playerName);
+
+ if ($playerName === '' || $playerLength < 2) {
+ throw new InvalidArgumentException('Enter a player name with at least 2 characters.');
+ }
+
+ if (!preg_match('/^[\p{L}\p{N} ._\-]+$/u', $playerName)) {
+ throw new InvalidArgumentException('Use letters, numbers, spaces, dots, dashes, or underscores in the player name.');
+ }
+
+ if ($score < 0 || $score > 9999999) {
+ throw new InvalidArgumentException('Score is outside the allowed range.');
+ }
+
+ if ($lines < 0 || $lines > 9999) {
+ throw new InvalidArgumentException('Lines cleared is outside the allowed range.');
+ }
+
+ if ($level < 1 || $level > 999) {
+ throw new InvalidArgumentException('Level is outside the allowed range.');
+ }
+
+ if ($duration < 0 || $duration > 86400) {
+ throw new InvalidArgumentException('Duration is outside the allowed range.');
+ }
+
+ if ($score === 0 && $lines === 0) {
+ throw new InvalidArgumentException('Play a round before submitting a score.');
+ }
+
+ $stmt = db()->prepare(
+ 'INSERT INTO tetris_scores (player_name, score, lines_cleared, level_reached, duration_seconds, client_signature)
+ VALUES (:player_name, :score, :lines_cleared, :level_reached, :duration_seconds, :client_signature)'
+ );
+ $stmt->bindValue(':player_name', $playerName, PDO::PARAM_STR);
+ $stmt->bindValue(':score', $score, PDO::PARAM_INT);
+ $stmt->bindValue(':lines_cleared', $lines, PDO::PARAM_INT);
+ $stmt->bindValue(':level_reached', $level, PDO::PARAM_INT);
+ $stmt->bindValue(':duration_seconds', $duration, PDO::PARAM_INT);
+ $safeSignature = $clientSignature !== '' ? (function_exists('mb_substr') ? mb_substr($clientSignature, 0, 64) : substr($clientSignature, 0, 64)) : null;
+ $stmt->bindValue(':client_signature', $safeSignature, $safeSignature !== null ? PDO::PARAM_STR : PDO::PARAM_NULL);
+ $stmt->execute();
+
+ $id = (int) db()->lastInsertId();
+
+ return [
+ 'score' => tetrisFetchScore($id),
+ 'rank' => tetrisFetchScoreRank($id),
+ ];
+}
diff --git a/score.php b/score.php
new file mode 100644
index 0000000..b3e9183
--- /dev/null
+++ b/score.php
@@ -0,0 +1,170 @@
+ 0) {
+ $score = tetrisFetchScore($scoreId);
+ $rank = $score ? tetrisFetchScoreRank($scoreId) : null;
+ }
+ $topScores = tetrisFetchTopScores(10);
+} catch (Throwable $exception) {
+ $errorMessage = 'Leaderboard data is unavailable right now.';
+ error_log('Tetris score page error: ' . $exception->getMessage());
+}
+
+if (!$score) {
+ http_response_code(404);
+}
+
+$pageTitle = $score ? sprintf('%s — %s score %d', $projectName !== '' ? $projectName : 'RetroStack', $score['player_name'], (int) $score['score']) : (($projectName !== '' ? $projectName : 'RetroStack') . ' — Score not found');
+$pageDescription = $score
+ ? sprintf('%s reached %d points, %d lines, and level %d in this RetroStack run.', $score['player_name'], (int) $score['score'], (int) $score['lines_cleared'], (int) $score['level_reached'])
+ : $projectDescription;
+
+function esc(?string $value): string
+{
+ return htmlspecialchars((string) $value, ENT_QUOTES, 'UTF-8');
+}
+?>
+
+
+
+
+
+ <?= esc($pageTitle) ?>
+
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+
+ Arcade
+ +
+
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+ Score
+ 0
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+
+ Lines
+ 0
+
+
+ Level
+ 1
+
+
+ Best
+ 0
+
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+
+
+
+
+
+
+ Next
+
+
+
+
+
+ Hold
+
+
+
+ Top 10
+
+ $entry): ?>
+
+ #
+
+
+
+
+
+ AI is collecting your requirements and applying the first changes.
-This page will update automatically as the plan is implemented.
-Runtime: PHP — UTC
+
+
+
+
+
+
+ Score detail
+
+
+
+ That run could not be found.
+Try a fresh round and submit a new score to populate the online leaderboard.
+ Return to the game +
+
+
+
+
+
+
+
+
+
+
+
+ Verified leaderboard run
+
+
+ Submitted UTC
+Rank #
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+ Score
+
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+ Lines
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+ Level
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+ Duration
+ s
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+ Run notes
+-
+
- Online leaderboard entries are ordered by score, then lines, then level, then shorter survival time. +
- This detail page gives each score a shareable destination for friendly competition. +
- To improve your rank, return to the main board and chase a higher line clear count. +
+
+
+