show total time in balancing target arenas

src/balancing/ArenaSimulation.cpp

@@ -515,6 +515,7 @@ void ArenaSimulation::updateStatus()
     ArenaStatus newStatus;
     newStatus.finished = m_finished;
     newStatus.winnerTeam = m_winnerTeam;
+    newStatus.durationSeconds = ticksToSeconds(m_currentTick);
 
     // Live remaining HP of each team's ships and defence stations (HQ excluded);
     // the EHP-percentage numerator (denominator is the fixed m_teamMaxEhp).

src/balancing/ArenaSimulation.h

@@ -59,6 +59,9 @@ struct ArenaStatus
     TeamStatus teams[2];
     bool finished = false;
     int winnerTeam = -1;  // 0 or 1 when finished; -1 while running
+    // Game time the fight has lasted (simulated ticks * fixed tick duration).
+    // Meaningful once finished; the battle duration shown for completed runs.
+    double durationSeconds = 0.0;
 };
 
 class ArenaSimulation

src/balancing/ArenaWidget.cpp

@@ -33,6 +33,9 @@ void ArenaWidget::buildLayout(const std::string& arenaName)
     m_titleLabel->setFont(titleFont);
     titleRow->addWidget(m_titleLabel);
 
+    m_durationLabel = new QLabel(this);
+    titleRow->addWidget(m_durationLabel);
+
     titleRow->addStretch();
 
     m_inspectButton = new QPushButton(tr("Inspect"), this);
@@ -159,6 +162,10 @@ void ArenaWidget::updateStatus(const ArenaStatus& status)
         content->setText(lines);
     }
 
+    m_durationLabel->setText(status.finished
+        ? tr("Duration: %1 s").arg(QString::number(status.durationSeconds, 'f', 1))
+        : QString());
+
     if (status.finished && !m_wasFinished)
     {
         m_wasFinished = true;

src/balancing/ArenaWidget.h

@@ -36,6 +36,7 @@ private:
     int m_arenaIndex;
     ArenaStatus m_lastStatus;
     QLabel* m_titleLabel;
+    QLabel* m_durationLabel;
     QLabel* m_team1Header;
     QLabel* m_team2Header;
     QLabel* m_team1Threat;

src/balancing/BalancingWindow.cpp

@@ -373,9 +373,17 @@ void BalancingWindow::writeLog()
     for (const ArenaEntry& entry : m_arenas)
     {
         const ArenaStatus& status = entry.widget->getLastStatus();
+        const ArenaWidget::State state = entry.widget->getState();
+
+        QString stateSuffix = stateText(state);
+        if (state == ArenaWidget::State::Ended)
+        {
+            stateSuffix += QStringLiteral(", %1 s")
+                .arg(QString::number(status.durationSeconds, 'f', 1));
+        }
 
         out << "\n## Arena: " << QString::fromStdString(entry.config.name)
-            << "  (" << stateText(entry.widget->getState()) << ")\n\n";
+            << "  (" << stateSuffix << ")\n\n";
 
         out << "| " << teamHeaderCell(status, 0) << " | "
             << teamHeaderCell(status, 1) << " |\n";

src/balancing/InspectWindow.cpp

@@ -52,6 +52,9 @@ InspectWindow::InspectWindow(ArenaSimulation* sim, const GameConfig* config,
         nameLabel->setFont(nameFont);
         headerLayout->addWidget(nameLabel);
 
+        m_durationLabel = new QLabel(header);
+        headerLayout->addWidget(m_durationLabel);
+
         headerLayout->addStretch();
 
         const char* labels[] = { "0x", "0.5x", "1x", "2x", "10x" };
@@ -202,6 +205,10 @@ void InspectWindow::pollStatus()
 
 void InspectWindow::updateInfoPanel(const ArenaStatus& status)
 {
+    m_durationLabel->setText(status.finished
+        ? tr("Duration: %1 s").arg(QString::number(status.durationSeconds, 'f', 1))
+        : QString());
+
     for (int ti = 0; ti < 2; ++ti)
     {
         const ArenaStatus::TeamStatus& team = status.teams[ti];

src/balancing/InspectWindow.h

@@ -54,6 +54,7 @@ private:
     ArenaView*         m_arenaView;
 
     std::vector<QPushButton*> m_speedButtons;
+    QLabel* m_durationLabel;
     QLabel* m_team1Header;
     QLabel* m_team2Header;
     QLabel* m_team1Threat;