feat(ui): add CGTooltip::IsA

src/ui/game/CGTooltip.cpp

@@ -35,3 +35,10 @@ CGTooltip::CGTooltip(CSimpleFrame* parent) : CSimpleFrame(parent) {
 int32_t CGTooltip::GetScriptMetaTable() {
     return CGTooltip::s_metatable;
 }
+
+bool CGTooltip::IsA(int32_t type) {
+    return type == CGTooltip::s_objectType
+        || type == CSimpleFrame::s_objectType
+        || type == CScriptRegion::s_objectType
+        || type == CScriptObject::s_objectType;
+}

src/ui/game/CGTooltip.hpp

@@ -23,6 +23,7 @@ class CGTooltip : public CSimpleFrame {
         // TODO
 
         // Virtual member functions
+        virtual bool IsA(int32_t type);
         virtual int32_t GetScriptMetaTable();
 
         // Member functions