关键节点

editor/app/Features/Scene/SceneViewportController.h

@@ -0,0 +1,78 @@
+#pragma once
+
+#include "Features/Scene/SceneViewportSceneOverlay.h"
+#include "Features/Scene/SceneViewportTransformGizmo.h"
+#include "Features/Scene/SceneViewportToolOverlay.h"
+
+#include <XCEditor/Workspace/UIEditorWorkspaceCompose.h>
+
+#include <XCEngine/UI/DrawData.h>
+#include <XCEngine/UI/Types.h>
+
+#include <chrono>
+#include <filesystem>
+
+namespace XCEngine::UI::Editor::App {
+
+class EditorCommandFocusService;
+class BuiltInIcons;
+class EditorSceneRuntime;
+class IViewportObjectPickerService;
+
+} // namespace XCEngine::UI::Editor::App
+
+namespace XCEngine::UI::Editor::Rendering::Host {
+
+class UiTextureHost;
+
+} // namespace XCEngine::UI::Editor::Rendering::Host
+
+namespace XCEngine::UI::Editor::App {
+
+class SceneViewportController {
+public:
+    void Initialize(
+        const std::filesystem::path& repoRoot,
+        Rendering::Host::UiTextureHost& renderer,
+        const BuiltInIcons* builtInIcons);
+    void Shutdown(Rendering::Host::UiTextureHost& renderer);
+    void ResetInteractionState();
+    void SetCommandFocusService(EditorCommandFocusService* commandFocusService);
+
+    void Update(
+        EditorSceneRuntime& sceneRuntime,
+        const IViewportObjectPickerService& viewportObjectPicker,
+        const UIEditorWorkspaceComposeState& composeState,
+        const UIEditorWorkspaceComposeFrame& composeFrame);
+    void Append(::XCEngine::UI::UIDrawList& drawList) const;
+
+private:
+    struct NavigationState {
+        bool lookDragging = false;
+        bool panDragging = false;
+        ::XCEngine::UI::UIPointerButton panDragButton =
+            ::XCEngine::UI::UIPointerButton::None;
+    };
+
+    void ResetFrameState();
+    float ConsumeDeltaTimeSeconds();
+    void RefreshSceneOverlays(
+        EditorSceneRuntime& sceneRuntime,
+        const ::XCEngine::UI::UIRect& viewportRect,
+        const ::XCEngine::UI::UIPoint& pointerScreen,
+        bool hoverEnabled);
+
+    NavigationState m_navigationState = {};
+    EditorCommandFocusService* m_commandFocusService = nullptr;
+    SceneViewportSceneOverlay m_sceneOverlay = {};
+    SceneViewportTransformGizmo m_transformGizmo = {};
+    SceneViewportToolOverlay m_toolOverlay = {};
+    std::size_t m_hoveredToggleOverlayIndex = kSceneViewportToolOverlayInvalidIndex;
+    std::size_t m_activeToggleOverlayIndex = kSceneViewportToolOverlayInvalidIndex;
+    std::size_t m_hoveredToolOverlayIndex = kSceneViewportToolOverlayInvalidIndex;
+    std::size_t m_activeToolOverlayIndex = kSceneViewportToolOverlayInvalidIndex;
+    std::chrono::steady_clock::time_point m_lastUpdateTime = {};
+    bool m_hasLastUpdateTime = false;
+};
+
+} // namespace XCEngine::UI::Editor::App