Add memory count functions into MapLayer and SpecailLayer.

Also change all memory count functions into const methods.

2 files changed, 5 insertions, 4 deletions

diff --git a/src/resources/animation/animation.cpp b/src/resources/animation/animation.cpp
index e52b55737..5af1f7dbb 100644
--- a/src/resources/animation/animation.cpp
+++ b/src/resources/animation/animation.cpp
@@ -87,12 +87,12 @@ void Animation::setLastFrameDelay(const int delay) noexcept
     }
 }
 
-int Animation::calcMemoryLocal()
+int Animation::calcMemoryLocal() const
 {
     int sz = sizeof(Animation);
-    FOR_EACH (FramesIter, it, mFrames)
+    FOR_EACH (FramesCIter, it, mFrames)
     {
-        Frame &frame = *it;
+        const Frame &frame = *it;
         sz += sizeof(Frame) +
             frame.nextAction.capacity();
     }
diff --git a/src/resources/animation/animation.h b/src/resources/animation/animation.h
index dc44a3f0d..0c0b7c6e4 100644
--- a/src/resources/animation/animation.h
+++ b/src/resources/animation/animation.h
@@ -76,6 +76,7 @@ class Animation final : public MemoryCounter
 
         typedef std::vector<Frame> Frames;
         typedef Frames::iterator FramesIter;
+        typedef Frames::const_iterator FramesCIter;
         typedef Frames::reverse_iterator FramesRevIter;
 
 #ifdef UNITTESTS
@@ -83,7 +84,7 @@ class Animation final : public MemoryCounter
         { return mFrames; }
 #endif
 
-        int calcMemoryLocal() override final;
+        int calcMemoryLocal() const override final;
 
         /**
          * Determines whether the given animation frame is a terminator.