ship layout blueprints

src/ui/MainWindow.cpp

@@ -1,6 +1,8 @@
 #include "MainWindow.h"
 
 #include <QApplication>
+#include <QCloseEvent>
+#include <QFile>
 #include <QHBoxLayout>
 #include <QMessageBox>
 #include <QPushButton>
@@ -14,6 +16,7 @@
 #include "GameWorldView.h"
 #include "HeaderBar.h"
 #include "SelectedBuildingPanel.h"
+#include "ShipLayoutBlueprintSerializer.h"
 #include "ShipLayoutDialog.h"
 #include "Simulation.h"
 #include "Tick.h"
@@ -111,6 +114,24 @@ MainWindow::MainWindow(Simulation* sim, const std::string& configDir, QWidget* p
             m_gameWorldView->setFocus();
         }
     });
+
+    // Load layout blueprints from disk. Missing file is silently ignored.
+    const QString bpPath = QCoreApplication::applicationDirPath() + "/ship_layouts.toml";
+    QFile bpFile(bpPath);
+    if (bpFile.open(QIODevice::ReadOnly | QIODevice::Text))
+    {
+        try
+        {
+            m_layoutBlueprints = ShipLayoutBlueprintSerializer::deserialize(
+                bpFile.readAll().toStdString());
+        }
+        catch (const std::exception& e)
+        {
+            QMessageBox::critical(this, "Load Error",
+                QString("Failed to load ship_layouts.toml:\n%1").arg(e.what()));
+            m_layoutBlueprints.clear();
+        }
+    }
 }
 
 void MainWindow::resizeEvent(QResizeEvent* event)
@@ -119,6 +140,23 @@ void MainWindow::resizeEvent(QResizeEvent* event)
     layoutPanels();
 }
 
+void MainWindow::closeEvent(QCloseEvent* event)
+{
+    const QString path = QCoreApplication::applicationDirPath() + "/ship_layouts.toml";
+    QFile file(path);
+    if (file.open(QIODevice::WriteOnly | QIODevice::Text))
+    {
+        try
+        {
+            const std::string content =
+                ShipLayoutBlueprintSerializer::serialize(m_layoutBlueprints);
+            file.write(QByteArray::fromStdString(content));
+        }
+        catch (...) {}
+    }
+    QWidget::closeEvent(event);
+}
+
 void MainWindow::layoutPanels()
 {
     const int totalW  = width();
@@ -199,7 +237,8 @@ void MainWindow::onLayoutDialogRequested(EntityId shipyardId)
         currentLayout = *b->shipLayout;
     }
 
-    ShipLayoutDialog dialog(&m_sim->config(), b->recipeId, currentLayout, this);
+    ShipLayoutDialog dialog(&m_sim->config(), b->recipeId, currentLayout,
+                            m_layoutBlueprints, this);
     if (dialog.exec() == QDialog::Accepted && dialog.result().has_value())
     {
         m_sim->buildings().setShipLayout(shipyardId, *dialog.result());