2 files changed, 9 insertions, 0 deletions
diff --git a/src/resources/map/walklayer.cpp b/src/resources/map/walklayer.cpp
index e49b92bda..9f93f94dd 100644
--- a/src/resources/map/walklayer.cpp
+++ b/src/resources/map/walklayer.cpp
@@ -42,3 +42,10 @@ int WalkLayer::getDataAt(const int x, const int y) const
         return 0;
     return mTiles[x + y * mWidth];
 }
+
+int WalkLayer::calcMemoryLocal()
+{
+    return Resource::calcMemoryLocal() +
+        sizeof(WalkLayer) +
+        sizeof(int) * mWidth * mHeight;
+}
diff --git a/src/resources/map/walklayer.h b/src/resources/map/walklayer.h
index 8b6333472..d867ad0fd 100644
--- a/src/resources/map/walklayer.h
+++ b/src/resources/map/walklayer.h
@@ -39,6 +39,8 @@ class WalkLayer final : public Resource
 
         int getDataAt(const int x, const int y) const;
 
+        int calcMemoryLocal() override final;
+
     private:
         int mWidth;
         int mHeight;