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Robin MoellerandClaude Opus 5.5
07cd31b8aa
Chat's flood control refuses a line identical to the one before it within 15 s, which also caught /2 in a poll right after /2 in the last one. An answer to the running vote or poll is now exempt from that one rule, on the server and in the game; the pace still holds, and the vote still counts one answer per player. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
38 lines
1.5 KiB
C++
38 lines
1.5 KiB
C++
#pragma once
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#include <algorithm>
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#include <cstdint>
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#include <string>
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#include <string_view>
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namespace dingosdk {
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// Chat flood control, the same for the sender, the host, a dedicated server and every
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// receiver: a few lines at once, then one every 1.5 s, and never the same line twice within
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// 15 s. Receivers allow one line of slack for lines that arrive bunched up. An answer to the
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// running vote or poll may repeat the line before it (`answer`): the same /2 is a new answer
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// in the next poll, and the vote itself counts one answer per player. The pace still holds.
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struct ChatRate {
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static constexpr double burst = 4, interval_us = 1500000;
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static constexpr std::uint64_t repeat_us = 15000000;
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enum class Verdict { accepted, too_fast, repeated };
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double tokens = burst;
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std::uint64_t refilled{}, previous_at{};
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std::string previous;
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Verdict accept(std::uint64_t now, std::string_view text, double slack = 0, bool answer = false) {
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const double limit = burst + slack;
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if (!refilled || now < refilled) {
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tokens = limit;
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} else {
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tokens = std::min(limit, tokens + static_cast<double>(now - refilled) / interval_us);
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}
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refilled = now;
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if (!answer && !previous.empty() && text == previous && now >= previous_at && now - previous_at < repeat_us)
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return Verdict::repeated;
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if (tokens < 1) return Verdict::too_fast;
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tokens -= 1;
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previous.assign(text);
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previous_at = now;
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return Verdict::accepted;
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}
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};
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} // namespace dingosdk
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