Fix SIGSEGV

src/game/hud/GuiBuilder.cpp

@@ -106,11 +106,12 @@ void GuiBuilder::deserialize() {
 void GuiBuilder::build(glm::ivec2 win) {
     this->win = win;
 
-    clear();
+    clear(false);
     recursivelyCreate(components, root);
 }
 
-void GuiBuilder::clear() {
+void GuiBuilder::clear(bool clrCallbacks) {
+    if (clrCallbacks) callbacks.clear();
     root->empty();
 }
 
@@ -315,5 +316,5 @@ std::vector<std::string> GuiBuilder::splitValue(const std::string &value, unsign
 }
 
 GuiBuilder::~GuiBuilder() {
-    clear();
+    clear(true);
 }

src/game/hud/GuiBuilder.h

@@ -17,7 +17,7 @@ public:
     GuiBuilder(LocalDefs& defs, std::shared_ptr<GUIContainer> root);
     void setGui(const std::string& menu, const std::map<std::string, std::function<void()>>& callbacks = {});
     void build(glm::ivec2 win);
-    void clear();
+    void clear(bool clrCallbacks = true);
 
     ~GuiBuilder();
 

src/game/scene/menu/MenuSandbox.cpp

@@ -37,7 +37,7 @@ void MenuSandbox::setup() {
 }
 
 void MenuSandbox::load(const std::string &subgamePath) {
-    container->empty();
+    builder.clear();
     setup();
     loadMod(subgamePath + "/menu");
     DoFileSandboxed("main");

src/lua/api/modules/mSetGui.h

@@ -20,8 +20,7 @@ namespace MenuApi {
 
                 builder.setGui(gui, callbackMap);
             }
-            else
-                builder.setGui(gui);
+            else builder.setGui(gui);
             builder.build(win);
         });
     }