[#146]: Implement logic to render selected layers in Editor

editor/editor.cpp

@@ -26,7 +26,7 @@ Editor::Editor(const glm::ivec2& screenSize) : gui_(*this)
    m_window = std::make_unique< renderer::Window >(screenSize, "Editor", true);
 
    InputManager::Init(m_window->GetWindowHandle());
-   
+
    renderer::VulkanRenderer::Initialize(m_window->GetWindowHandle(),
                                         renderer::ApplicationType::EDITOR);
    gui_.Init();
@@ -455,6 +455,19 @@ Editor::CheckIfObjectGotSelected(const glm::vec2& cursorPosition)
    }
 }
 
+int32_t
+Editor::GetRenderLayerToDraw() const
+{
+   return renderLayerToDraw_;
+}
+
+void
+Editor::SetRenderLayerToDraw(int32_t layer)
+{
+   renderLayerToDraw_ = layer;
+}
+
+
 void
 Editor::SetupRendererData()
 {
@@ -580,8 +593,10 @@ Editor::Render(VkCommandBuffer cmdBuffer)
       {
          const auto idx = static_cast< size_t >(layer);
          const auto& numObjects = renderData.numMeshes.at(idx);
-         if (numObjects == 0
-             or (idx == 9 and not m_renderPathfinderNodes) /* layer 9 means pathfinder nodes*/)
+         const auto renderThisLayer = renderLayerToDraw_ == -1 ? true : renderLayerToDraw_ == layer;
+         if (numObjects == 0 or !renderThisLayer
+             or (idx == 9 and not m_renderPathfinderNodes) /* layer 9 means pathfinder nodes*/
+         )
          {
             continue;
          }
@@ -834,11 +849,11 @@ Editor::LoadLevel(const std::string& levelPath)
 
    {
       SCOPED_TIMER("Total level load");
-      
-         m_levelFileName = levelPath;
-         m_currentLevel = std::make_shared< Level >();
-         m_currentLevel->Load(this, levelPath);
-      
+
+      m_levelFileName = levelPath;
+      m_currentLevel = std::make_shared< Level >();
+      m_currentLevel->Load(this, levelPath);
+
       SetupPathfinderNodes();
 
       {
@@ -875,9 +890,8 @@ Editor::LoadLevel(const std::string& levelPath)
       gui_.LevelLoaded(m_currentLevel);
 
       m_window->MakeFocus();
-
    }
-   
+
    SetupRendererData();
 }
 

editor/editor.hpp

@@ -168,6 +168,11 @@ class Editor : public Application
    bool
    IsAnyObjectSelected() const;
 
+   int32_t
+   GetRenderLayerToDraw() const;
+
+   void SetRenderLayerToDraw(int32_t);
+
  private:
    // [[nodiscard]] std::shared_ptr< EditorObject >
    // GetEditorObjectByID(Object::ID ID);
@@ -253,6 +258,7 @@ class Editor : public Application
 
    bool m_drawGrid = false;
    int32_t m_gridCellSize = 128;
+   int32_t renderLayerToDraw_ = -1;
 
    // constructed in initializer list
    EditorGUI gui_;

editor/gui/editor_gui.cpp

@@ -744,6 +744,25 @@ EditorGUI::RenderLevelMenu() // NOLINT
             }
          });
 
+         CreateActionRowLabel("RenderLayer", [this] {
+            const auto items = std::to_array< std::string >(
+               {"All", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10"});
+            const auto layer = parent_.GetRenderLayerToDraw();
+            if (ImGui::BeginCombo(
+                   "##combo",
+                   fmt::format("{}", layer == -1 ? "All" : std::to_string(layer)).c_str()))
+            {
+               for (const auto& item : items)
+               {
+                  if (ImGui::Selectable(item.c_str()))
+                  {
+                     parent_.SetRenderLayerToDraw(item == "All" ? -1 : std::stoi(item));
+                  }
+               }
+               ImGui::EndCombo();
+            }
+         });
+
          ImGui::EndTable();
       }
    }