add extra-children user object and hide user flag

src/DevTools.hpp

@@ -36,6 +36,20 @@ struct Settings {
     bool buttonInGame = false;
     bool buttonEnabled = false;
     bool treeDragReorder = false;
+    bool hideFlaggedNodes = false;
+};
+
+struct TreeBranchOptions {
+    bool drag = true;
+    bool visible = true;
+    bool fake = false;
+    bool flagHidden = false;
+};
+
+struct ParentNodeInformation {
+    bool drag = true;
+    bool visible = true;
+    bool flagHidden = false;
 };
 
 class DevTools {
@@ -66,7 +80,8 @@ class DevTools {
     void setupPlatform();
 
     void drawTree();
-    void drawTreeBranch(CCNode* node, size_t index, bool drag, bool visible);
+    void drawTreeBranch(CCNode* node, size_t index, TreeBranchOptions options);
+    void drawNodeChildren(CCNode* node, ParentNodeInformation info);
     void drawSettings();
     void drawAdvancedSettings();
     void drawNodeAttributes(CCNode* node);

src/pages/Settings.cpp

@@ -64,6 +64,14 @@ void DevTools::drawSettings() {
             "(Experimental)\nAllows you to drag/drop nodes in the node tree, changing\ntheir parents or ordering."
         );
     }
+    ImGui::Checkbox("Hide Flagged Nodes", &m_settings.hideFlaggedNodes);
+    if (ImGui::IsItemHovered()) {
+        ImGui::SetTooltip(
+            "If enabled, hides nodes in the node tree with the \"geode.devtools/hide\"\n"
+            "user flag set. Allows for hiding nodes irrelevant to debugging, such as containers.\n"
+            "This will keep the children of those nodes visible in the node tree."
+        );
+    }
     ImGui::Checkbox("Advanced Settings", &m_settings.advancedSettings);
     if (ImGui::IsItemHovered()) {
         ImGui::SetTooltip(

src/pages/Tree.cpp

@@ -13,8 +13,11 @@
 
 using namespace geode::prelude;
 
-std::string formatNodeName(CCNode* node, size_t index) {
-    std::string name = fmt::format("[{}] {} ", index, geode::cocos::getObjectName(node));
+std::string formatNodeName(CCNode* node, size_t index, bool fake, bool flagHidden) {
+    std::string prefix = "";
+    if (fake) prefix += "*";
+    if (flagHidden) prefix += "...";
+    std::string name = fmt::format("[{}{}] {} ", prefix, index, geode::cocos::getObjectName(node));
     if (node->getTag() != -1) {
         name += fmt::format("({}) ", node->getTag());
     }
@@ -36,12 +39,21 @@ bool isNodeParentOf(CCNode* parent, CCNode* child) {
     return false;
 }
 
-void DevTools::drawTreeBranch(CCNode* node, size_t index, bool drag, bool visible) {
+void DevTools::drawTreeBranch(CCNode* node, size_t index, TreeBranchOptions options) {
     if (!this->searchBranch(node)) {
         return;
     }
 
-    visible = node->isVisible() && visible;
+    if (node->getUserFlag("hide"_spr) && m_settings.hideFlaggedNodes) {
+        this->drawNodeChildren(node, {
+            .drag = options.drag,
+            .visible = options.visible,
+            .flagHidden = true
+        });
+        return;
+    }
+
+    options.visible = node->isVisible() && options.visible;
 
     auto selected = DevTools::get()->getSelectedNode() == node;
 
@@ -58,7 +70,7 @@ void DevTools::drawTreeBranch(CCNode* node, size_t index, bool drag, bool visibl
 
     bool drawSeparator = false;
 
-    if (auto dragged = this->getDraggedNode(); dragged && dragged != node && !drag) {
+    if (auto dragged = this->getDraggedNode(); dragged && dragged != node && !options.drag && !options.fake) {
         float mouseY = ImGui::GetMousePos().y;
         float cursorY = ImGui::GetCursorPosY() + ImGui::GetWindowPos().y - ImGui::GetScrollY();
         float height = ImGui::GetTextLineHeight();
@@ -109,10 +121,10 @@ void DevTools::drawTreeBranch(CCNode* node, size_t index, bool drag, bool visibl
     auto alpha = ImGui::GetStyle().DisabledAlpha;
     ImGui::GetStyle().DisabledAlpha = node->isVisible() ? alpha + 0.15f : alpha;
 
-    ImGui::BeginDisabled(!visible);
+    ImGui::BeginDisabled(!options.visible);
     ImGui::PushItemFlag(ImGuiItemFlags_Disabled, false); // Bypass iteract blocking in imgui
 
-    const auto name = formatNodeName(node, index);
+    const auto name = formatNodeName(node, index, options.fake, options.flagHidden);
     // The order here is unusual due to imgui weirdness; see the second-to-last paragraph in https://kahwei.dev/2022/06/20/imgui-tree-node/
     bool expanded = ImGui::TreeNodeEx(node, flags, "%s", name.c_str());
     float height = ImGui::GetItemRectSize().y;
@@ -164,10 +176,13 @@ void DevTools::drawTreeBranch(CCNode* node, size_t index, bool drag, bool visibl
         if (m_settings.attributesInTree) {
             this->drawNodeAttributes(node);
         }
-        size_t i = 0;
-        for (auto& child : CCArrayExt<CCNode*>(node->getChildren())) {
-            this->drawTreeBranch(child, i++, drag || isDrag, visible);
-        }
+
+        this->drawNodeChildren(node, {
+            .drag = options.drag || isDrag,
+            .visible = options.visible,
+            .flagHidden = false
+        });
+
         ImGui::TreePop();
     }
     // on leaf nodes expanded is true
@@ -176,6 +191,30 @@ void DevTools::drawTreeBranch(CCNode* node, size_t index, bool drag, bool visibl
     }
 }
 
+void DevTools::drawNodeChildren(CCNode* node, ParentNodeInformation info) {
+    size_t i = 0;
+    for (auto& child : CCArrayExt<CCNode*>(node->getChildren())) {
+        this->drawTreeBranch(child, i++, {
+            .drag = info.drag,
+            .visible = info.visible,
+            .fake = false,
+            .flagHidden = info.flagHidden
+        });
+    }
+
+    i = 0;
+    if (auto fakeChildren = typeinfo_cast<CCArray*>(node->getUserObject("extra-children"_spr))) {
+        for (auto& child : CCArrayExt<CCNode*>(fakeChildren)) {
+            this->drawTreeBranch(child, i++, {
+                .drag = info.drag,
+                .visible = info.visible,
+                .fake = true,
+                .flagHidden = info.flagHidden
+            });
+        }
+    }
+}
+
 void DevTools::drawTree() {
 #ifdef GEODE_IS_MOBILE
     ImGui::Dummy({0.f, 60.f});
@@ -191,11 +230,11 @@ void DevTools::drawTree() {
         m_searchQuery.clear();
     }
 
-    this->drawTreeBranch(CCDirector::get()->getRunningScene(), 0, false, true);
-    this->drawTreeBranch(OverlayManager::get(), 1, false, true);
+    this->drawTreeBranch(CCDirector::get()->getRunningScene(), 0, { .drag = false });
+    this->drawTreeBranch(OverlayManager::get(), 1, { .drag = false });
 
     if (auto* dragged = this->getDraggedNode()) {
-        const auto name = formatNodeName(dragged, 0);
+        const auto name = formatNodeName(dragged, 0, false, false);
         auto bgColor = ImGui::GetColorU32(ImGui::GetStyle().Colors[ImGuiCol_Header]);
         auto textColor = ImGui::GetColorU32(ImGui::GetStyle().Colors[ImGuiCol_Text]);