code refactor

Engine/Source/Editor/EditorApp.cpp

@@ -3,7 +3,6 @@
 #include "Application/Engine.h"
 #include "Display/CameraController.h"
 #include "ECWorld/SceneWorld.h"
-#include "ImGui/EditorImGuiViewport.h"
 #include "ImGui/ImGuiContextInstance.h"
 #include "ImGui/Localization.h"
 #include "ImGui/UILayers/DebugPanel.h"
@@ -48,6 +47,7 @@
 #include "UILayers/TestNodeEditor.h"
 #include "Window/Input.h"
 #include "Window/Window.h"
+#include "Window/WindowManager.h"
 
 #include <imgui/imgui.h>
 #define IMGUI_DEFINE_MATH_OPERATORS
@@ -80,6 +80,8 @@ void EditorApp::Init(engine::EngineInitArgs initArgs)
 		CD_ERROR("Failed to open CSV file");
 	}
 
+	m_pWindowManager = std::make_unique<engine::WindowManager>();
+
 	// Phase 1 - Splash
 	//		* Compile uber shader permutations automatically when initialization or detect changes
 	//		* Show compile progresses so it still needs to update ui
@@ -94,7 +96,7 @@ void EditorApp::Init(engine::EngineInitArgs initArgs)
 
 	pSplashWindow->OnResize.Bind<engine::RenderContext, &engine::RenderContext::OnResize>(m_pRenderContext.get());
 	m_pMainWindow = pSplashWindow.get();
-	AddWindow(cd::MoveTemp(pSplashWindow));
+	m_pWindowManager->AddWindow(cd::MoveTemp(pSplashWindow));
 
 	InitEditorRenderers();
 	EditorRenderersWarmup();
@@ -124,23 +126,6 @@ void EditorApp::Shutdown()
 {
 }
 
-engine::Window* EditorApp::GetWindow(void* handle) const
-{
-	auto itWindow = m_mapWindows.find(handle);
-	return itWindow != m_mapWindows.end() ? itWindow->second.get() : nullptr;
-}
-
-void EditorApp::AddWindow(std::unique_ptr<engine::Window> pWindow)
-{
-	m_mapWindows[pWindow->GetHandle()] = cd::MoveTemp(pWindow);
-}
-
-void EditorApp::RemoveWindow(void* handle)
-{
-	assert(handle != m_pMainWindow->GetHandle());
-	m_mapWindows.erase(handle);
-}
-
 void EditorApp::InitEditorImGuiContext(engine::Language language)
 {
 	assert(GetMainWindow() && "Init window before imgui context");
@@ -163,12 +148,12 @@ void EditorApp::InitEditorImGuiContext(engine::Language language)
 	// Init viewport settings.
 	if (enableViewport)
 	{
-		m_pEditorImGuiViewport = std::make_unique<EditorImGuiViewport>(this, m_pRenderContext.get());
+		m_pEditorImGuiContext->InitViewport(m_pWindowManager.get(), m_pRenderContext.get());
 		ImGuiViewport* pMainViewport = ImGui::GetMainViewport();
 		assert(pMainViewport);
 		pMainViewport->PlatformHandle = GetMainWindow();
 		pMainViewport->PlatformHandleRaw = GetMainWindow()->GetHandle();
-		m_pEditorImGuiViewport->Update();
+		m_pEditorImGuiContext->UpdateViewport();
 	}
 }
 
@@ -601,22 +586,7 @@ bool EditorApp::Update(float deltaTime)
 		InitEngineUILayers();
 	}
 
-	for (auto& [_, pWindow] : m_mapWindows)
-	{
-		pWindow->Update();
-		if (pWindow->IsFocused())
-		{
-			m_pFocusedWindow = pWindow.get();
-		}
-	}
-
-	if (m_pEditorImGuiContext->IsViewportEnable())
-	{
-		m_pEditorImGuiViewport->Update();
-		auto position = engine::Input::Get().GetGloalMousePosition();
-		engine::Input::Get().SetMousePositionX(position.first);
-		engine::Input::Get().SetMousePositionY(position.second);
-	}
+	m_pWindowManager->Update();
 	m_pEditorImGuiContext->Update(deltaTime);
 	m_pSceneWorld->Update();
 
@@ -637,6 +607,12 @@ bool EditorApp::Update(float deltaTime)
 		}
 	}
 
+	if (ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+	{
+		ImGui::UpdatePlatformWindows();
+		ImGui::RenderPlatformWindowsDefault();
+	}
+
 	if (m_pEngineImGuiContext)
 	{
 		GetMainWindow()->SetMouseVisible(m_pSceneView->IsShowMouse(), m_pSceneView->GetMouseFixedPositionX(), m_pSceneView->GetMouseFixedPositionY());

Engine/Source/Editor/EditorApp.h

@@ -9,14 +9,15 @@
 namespace engine
 {
 
+class AABBRenderer;
 class CameraController;
 class FlybyCamera;
 class ImGuiBaseLayer;
 class ImGuiContextInstance;
 class Window;
+class WindowManager;
 class RenderContext;
 class Renderer;
-class AABBRenderer;
 class RenderTarget;
 class SceneWorld;
 class ShaderCollections;
@@ -28,7 +29,6 @@ struct ImGuiContext;
 namespace editor
 {
 
-class EditorImGuiViewport;
 class FileWatcher;
 class SceneView;
 
@@ -46,10 +46,8 @@ class EditorApp final : public engine::IApplication
 	virtual bool Update(float deltaTime) override;
 	virtual void Shutdown() override;
 
-	engine::Window* GetWindow(void* handle) const;
 	engine::Window* GetMainWindow() const { return m_pMainWindow; }
-	void AddWindow(std::unique_ptr<engine::Window> pWindow);
-	void RemoveWindow(void* handle);
+	engine::WindowManager* GetWindowManager() const { return m_pWindowManager.get(); }
 
 	void InitRenderContext(engine::GraphicsBackend backend, void* hwnd = nullptr);
 
@@ -90,16 +88,20 @@ class EditorApp final : public engine::IApplication
 
 	// Windows
 	engine::Window* m_pMainWindow = nullptr;
-	engine::Window* m_pFocusedWindow = nullptr;
-	std::map<void*, std::unique_ptr<engine::Window>> m_mapWindows;
+	std::unique_ptr<engine::WindowManager> m_pWindowManager;
 
 	// ImGui
 	std::unique_ptr<engine::ImGuiContextInstance> m_pEditorImGuiContext;
 	std::unique_ptr<engine::ImGuiContextInstance> m_pEngineImGuiContext;
-	std::unique_ptr<EditorImGuiViewport> m_pEditorImGuiViewport;
 
 	// Scene
 	std::unique_ptr<engine::SceneWorld> m_pSceneWorld;
+
+	// Rendering
+	std::unique_ptr<engine::RenderContext> m_pRenderContext;
+	std::unique_ptr<engine::ShaderCollections> m_pShaderCollections;
+	std::vector<std::unique_ptr<engine::Renderer>> m_pEditorRenderers;
+	std::vector<std::unique_ptr<engine::Renderer>> m_pEngineRenderers;
 	editor::SceneView* m_pSceneView = nullptr;
 	engine::Renderer* m_pSceneRenderer = nullptr;
 	engine::Renderer* m_pWhiteModelRenderer = nullptr;
@@ -109,13 +111,6 @@ class EditorApp final : public engine::IApplication
 	engine::Renderer* m_pTerrainRenderer = nullptr;
 	engine::Renderer* m_pAABBRenderer = nullptr;
 
-	// Rendering
-	std::unique_ptr<engine::RenderContext> m_pRenderContext;
-	std::unique_ptr<engine::ShaderCollections> m_pShaderCollections;
-
-	std::vector<std::unique_ptr<engine::Renderer>> m_pEditorRenderers;
-	std::vector<std::unique_ptr<engine::Renderer>> m_pEngineRenderers;
-
 	// Controllers for processing input events.
 	std::unique_ptr<engine::CameraController> m_pViewportCameraController;
 

Engine/Source/Runtime/Application/Engine.cpp

@@ -27,7 +27,6 @@ Engine::~Engine()
 void Engine::Init(EngineInitArgs args)
 {
 	CD_ENGINE_INFO("Init engine");
-	Window::Init();
 
 	m_pApplication->Init(args);
 }
@@ -54,7 +53,6 @@ void Engine::Run()
 
 void Engine::Shutdown()
 {
-	Window::Shutdown();
 }
 
 //