fix: Add parameter 'isBoundary'

- A flag to indicate it is boundary

Author: utilForever

Includes/baba-is-auto/Games/Object.hpp

@@ -45,7 +45,8 @@ class Object
 
     //! Adds an object type.
     //! \param type An object type to add.
-    void Add(ObjectType type);
+    //! \param isBoundary A flag to indicate it is boundary.
+    void Add(ObjectType type, bool isBoundary);
 
     //! Removes an object type.
     //! \param type An object type to remove.

Sources/baba-is-auto/Games/Object.cpp

@@ -23,11 +23,18 @@ bool Object::operator==(const Object& rhs) const
     return m_types == rhs.m_types;
 }
 
-void Object::Add(ObjectType type)
+void Object::Add(ObjectType type, bool isBoundary)
 {
     if (m_types.find(type) != m_types.end())
     {
-        m_types[type] += 1;
+        if (isBoundary)
+        {
+            m_types[type] = 1;
+        }
+        else
+        {
+            m_types[type] += 1;
+        }
     }
     else
     {