Created
December 27, 2024 22:21
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OpenSiv3Dにredis-plus-plusを組み込んでみた実験
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#include <Siv3D.hpp> // Siv3D v0.6.15 | |
#include <sw/redis++/redis++.h> | |
void Main() | |
{ | |
Window::Resize(400, 300); | |
// Redisサーバーに接続 | |
sw::redis::ConnectionOptions options; | |
options.type = sw::redis::ConnectionType::TCP; | |
options.host = "127.0.0.1"; | |
options.port = 6379; | |
auto redis = sw::redis::Redis(options); | |
// countが存在しないときゼロ初期化 | |
redis.setnx("count", "0"); | |
// 実行時間計測用 | |
Stopwatch stw; | |
std::queue<double> durationHistory; | |
double durationSum = 0.0; | |
double durationAvg = 0.0; | |
// 表示用font | |
const Font font{ 100 }; | |
while (System::Update()) | |
{ | |
// ボタンクリック時にcountの値をインクリメント | |
if (Scene::Rect().leftClicked()) | |
{ | |
redis.incr("count"); | |
} | |
// countの値を取得 | |
stw.restart(); | |
const auto countOpt = redis.get("count"); // -> std::optional<std::string> | |
double duration = stw.msF(); | |
// getメソッドの実行時間の平均を計算 | |
durationHistory.push(duration); | |
durationSum += duration; | |
if (durationHistory.size() > 100) | |
{ | |
durationSum -= durationHistory.front(); | |
durationHistory.pop(); | |
} | |
durationAvg = durationSum / durationHistory.size(); | |
// 実行時間を表示 | |
ClearPrint(); | |
Print << U"Time: {:01.2}ms/req"_fmt(durationAvg); | |
// カーソル位置に円を描画 | |
Circle{ Cursor::PosF(), 20 } | |
.draw(MouseL.pressed() ? Palette::Yellow : Palette::Orange); | |
// countの値をでっかく表示 | |
if (countOpt) | |
{ | |
const auto count = Unicode::FromUTF8(*countOpt); | |
font(count) | |
.drawAt(Scene::Center(), Palette::White); | |
} | |
} | |
} |
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