Align editor runtime scene handoff

editor/app/Composition/EditorContext.cpp

@@ -26,6 +26,13 @@ void RequestEditorContextUtilityWindow(
     }
 }
 
+bool RequestEditorContextOpenSceneAsset(
+    void* requester,
+    const std::filesystem::path& scenePath) {
+    auto* context = static_cast<EditorContext*>(requester);
+    return context != nullptr && context->RequestOpenSceneAsset(scenePath);
+}
+
 std::string ComposeStatusText(
     std::string_view status,
     std::string_view message) {
@@ -91,11 +98,17 @@ bool EditorContext::Initialize(
     }
     AppendUIEditorRuntimeTrace("startup", "EditorSceneRuntime::Initialize end");
     m_sceneRuntime.BindSelectionService(&m_selectionService);
+    m_runtimeCoordinator.Initialize(
+        m_session,
+        m_sceneRuntime,
+        m_projectRuntime,
+        runtimePaths);
     ResetEditorColorPickerToolState(m_colorPickerToolState);
     ResetEditorUtilityWindowRequestState(m_utilityWindowRequestState);
     SyncSessionFromSelectionService();
     m_hostCommandBridge.BindSession(m_session);
     m_hostCommandBridge.BindCommandFocusService(m_commandFocusService);
+    m_hostCommandBridge.BindRuntimeCommandOwner(&m_runtimeCoordinator);
     SyncSessionFromCommandFocusService();
     m_shortcutManager = BuildEditorShellShortcutManager(m_shellAsset);
     m_shortcutManager.SetHostCommandHandler(&m_hostCommandBridge);
@@ -141,6 +154,10 @@ void EditorContext::SyncSessionFromWorkspace(
     SyncSessionFromCommandFocusService();
 }
 
+void EditorContext::TickEditorRuntime() {
+    m_runtimeCoordinator.TickFrame();
+}
+
 bool EditorContext::IsValid() const {
     return m_valid;
 }
@@ -181,6 +198,14 @@ const EditorSceneRuntime& EditorContext::GetSceneRuntime() const {
     return m_sceneRuntime;
 }
 
+EditorRuntimeCoordinator& EditorContext::GetRuntimeCoordinator() {
+    return m_runtimeCoordinator;
+}
+
+const EditorRuntimeCoordinator& EditorContext::GetRuntimeCoordinator() const {
+    return m_runtimeCoordinator;
+}
+
 EditorColorPickerToolState& EditorContext::GetColorPickerToolState() {
     return m_colorPickerToolState;
 }
@@ -246,9 +271,24 @@ EditorPanelServices EditorContext::BuildPanelServices() {
         .textMeasurer = m_shellServices.textMeasurer,
         .utilityWindowRequester = this,
         .requestUtilityWindow = RequestEditorContextUtilityWindow,
+        .sceneAssetOpenRequester = this,
+        .requestOpenSceneAsset = RequestEditorContextOpenSceneAsset,
     };
 }
 
+bool EditorContext::RequestOpenSceneAsset(const std::filesystem::path& scenePath) {
+    const bool opened = m_runtimeCoordinator.RequestOpenSceneAsset(scenePath);
+    SetStatus(
+        "Scene",
+        opened
+            ? m_runtimeCoordinator.GetLastMessage()
+            : m_runtimeCoordinator.GetLastMessage().empty()
+                ? std::string("Failed to open scene asset.")
+                : m_runtimeCoordinator.GetLastMessage());
+    SyncSessionFromSelectionService();
+    return opened;
+}
+
 UIEditorShellInteractionDefinition EditorContext::BuildShellDefinition(
     const UIEditorWorkspaceController& workspaceController,
     std::string_view captureText,