asset browser: make dooodadset selector actually work

src/noggit/Red/AssetBrowser/ModelView.cpp

@@ -96,6 +96,7 @@ void ModelViewer::setModel(std::string const& filename)
   makeCurrent();
   PreviewRenderer::setModel(filename);
   emit model_set(filename);
+  _last_selected_model = filename;
 }
 
 float ModelViewer::aspect_ratio() const
@@ -247,3 +248,23 @@ QStringList ModelViewer::getDoodadSetNames(const std::string& filename)
 
   return std::move(names);
 }
+
+void ModelViewer::setActiveDoodadSet(const std::string& filename, const std::string& doodadset_name)
+{
+  for (auto& wmo_instance : _wmo_instances)
+  {
+    if (wmo_instance.wmo->filename != filename)
+    {
+      continue;
+    }
+
+    int counter = 0;
+    for (auto& doodad_set : wmo_instance.wmo->doodadsets)
+    {
+      wmo_instance.change_doodadset(counter);
+      counter++;
+    }
+
+    break;
+  }
+}

src/noggit/Red/AssetBrowser/ModelView.hpp

@@ -38,6 +38,8 @@ namespace noggit
       void setMoveSensitivity(float s) { _move_sensitivity = s / 30.0f; };
       float getMoveSensitivity() { return _move_sensitivity; };
       QStringList getDoodadSetNames(std::string const& filename);
+      void setActiveDoodadSet(std::string const& filename, std::string const& doodadset_name);
+      std::string& getLastSelectedModel() { return _last_selected_model; };
 
 
     signals:
@@ -51,6 +53,7 @@ namespace noggit
       QPointF _last_mouse_pos;
       float moving, strafing, updown, mousedir, turn, lookat;
       bool look;
+      std::string _last_selected_model;
 
       QElapsedTimer _startup_time;
       qreal _last_update = 0.f;

src/noggit/Red/AssetBrowser/Ui/AssetBrowser.cpp

@@ -94,7 +94,6 @@ AssetBrowserWidget::AssetBrowserWidget(QWidget *parent)
           if (path.endsWith(".m2") || path.endsWith(".wmo"))
           {
             ui->viewport->setModel(path.toStdString());
-
           }
         }
       }
@@ -105,6 +104,7 @@ AssetBrowserWidget::AssetBrowserWidget(QWidget *parent)
       ,[=] (const std::string& filename)
       {
         viewport_overlay_ui->doodadSetSelector->insertItems(0, ui->viewport->getDoodadSetNames(filename));
+        viewport_overlay_ui->doodadSetSelector->setVisible(QString::fromStdString(filename).endsWith(".wmo"));
       }
   );
 
@@ -198,6 +198,14 @@ AssetBrowserWidget::AssetBrowserWidget(QWidget *parent)
       }
   );
 
+  connect(viewport_overlay_ui->doodadSetSelector, qOverload<int>(&QComboBox::currentIndexChanged)
+      ,[this](int index)
+          {
+              ui->viewport->setActiveDoodadSet(ui->viewport->getLastSelectedModel(),
+                                               viewport_overlay_ui->doodadSetSelector->currentText().toStdString());
+          }
+  );
+
   // Render toggles
   connect(viewport_overlay_ui->toggleWMOButton, &QPushButton::clicked,
           [this]() {ui->viewport->_draw_wmo.toggle();});