feat: update asset browser

editor/src/EditorMenus.cpp

@@ -33,6 +33,33 @@ namespace {
         std::ranges::sort(scenes);
         return scenes;
     }
+
+    // Layouts saved while the scene tree was part of the inspector have no spot for it, split one off the inspector
+    void DockSceneTreeIntoSavedLayout(ImGuiID dockspaceId)
+    {
+        const ImGuiWindowSettings* inspector = ImGui::FindWindowSettingsByID(ImHashStr("Inspector"));
+        if (ImGui::FindWindowSettingsByID(ImHashStr("Scene Tree")) != nullptr || inspector == nullptr) {
+            return;
+        }
+        const ImGuiID oldNode = inspector->DockId;
+        const ImGuiDockNode* node = ImGui::DockBuilderGetNode(oldNode);
+        if (node == nullptr || node->IsSplitNode()) {
+            return;
+        }
+
+        ImGuiID inspectorNode = 0;
+        const ImGuiID sceneTreeNode = ImGui::DockBuilderSplitNode(oldNode, ImGuiDir_Up, 0.4f, nullptr, &inspectorNode);
+        // Windows aren't bound to their nodes yet, the ones tabbed with the inspector would point at the split node
+        ImGuiContext& context = *ImGui::GetCurrentContext();
+        for (ImGuiWindowSettings* settings = context.SettingsWindows.begin(); settings != nullptr;
+             settings = context.SettingsWindows.next_chunk(settings)) {
+            if (settings->DockId == oldNode) {
+                settings->DockId = inspectorNode;
+            }
+        }
+        ImGui::DockBuilderDockWindow("Scene Tree", sceneTreeNode);
+        ImGui::DockBuilderFinish(dockspaceId);
+    }
 }
 
 void Editor::DrawDockSpace()
@@ -42,20 +69,26 @@ void Editor::DrawDockSpace()
     const ImGuiViewport* mainViewport = ImGui::GetMainViewport();
     ImGui::DockSpaceOverViewport(dockspaceId, mainViewport);
     if (hasSavedLayout) {
+        if (!std::exchange(m_DockLayoutChecked, true)) {
+            DockSceneTreeIntoSavedLayout(dockspaceId);
+        }
         return;
     }
+    m_DockLayoutChecked = true;
 
-    // First run without an imgui.ini: scene in the middle, inspector right, tools left, assets below
+    // First run without an imgui.ini: scene in the middle, scene tree and inspector right, tools left, assets below
     ImGui::DockBuilderRemoveNode(dockspaceId);
     ImGui::DockBuilderAddNode(dockspaceId, ImGuiDockNodeFlags_DockSpace);
     ImGui::DockBuilderSetNodeSize(dockspaceId, mainViewport->WorkSize);
 
     ImGuiID center = dockspaceId;
-    const ImGuiID right = ImGui::DockBuilderSplitNode(center, ImGuiDir_Right, 0.25f, nullptr, &center);
+    ImGuiID right = ImGui::DockBuilderSplitNode(center, ImGuiDir_Right, 0.25f, nullptr, &center);
     const ImGuiID left = ImGui::DockBuilderSplitNode(center, ImGuiDir_Left, 0.2f, nullptr, &center);
     const ImGuiID bottom = ImGui::DockBuilderSplitNode(center, ImGuiDir_Down, 0.28f, nullptr, &center);
+    const ImGuiID rightTop = ImGui::DockBuilderSplitNode(right, ImGuiDir_Up, 0.4f, nullptr, &right);
 
     ImGui::DockBuilderDockWindow("Viewport", center);
+    ImGui::DockBuilderDockWindow("Scene Tree", rightTop);
     ImGui::DockBuilderDockWindow("Inspector", right);
     ImGui::DockBuilderDockWindow("Stats", left);
     ImGui::DockBuilderDockWindow("Physics", left);
@@ -155,6 +188,7 @@ void Editor::DrawViewMenu()
         return;
     }
 
+    ImGui::MenuItem("Scene Tree", nullptr, &m_Panels.sceneTree);
     ImGui::MenuItem("Inspector", nullptr, &m_Panels.inspector);
     ImGui::MenuItem("Assets", nullptr, &m_Panels.assets);
     ImGui::MenuItem("Stats", nullptr, &m_Panels.stats);