hills len

src/data/hills.cpp

@@ -19,3 +19,4 @@ unsigned const char *hills[] = {
         kulle_6_png,
         kulle_7_png,
 };
+extern const size_t hills_length = 8;

src/data/hills.hpp

@@ -1,3 +1,4 @@
 #pragma once
 
-extern unsigned const char *hills[];
+extern unsigned const char *hills[];
+extern const size_t hills_length;