misc hud-related updates

src/delegates.h

@@ -1,17 +1,23 @@
 #ifndef DELEGATES_H_
 #define DELEGATES_H_
 
+#include <glm/glm.hpp>
 #include <functional>
 #include <string>
 
 using runnable = std::function<void()>;
-using stringconsumer = std::function<void(const std::string&)>;
+
+// data sources
 using wstringsupplier = std::function<std::wstring()>;
-using wstringconsumer = std::function<void(const std::wstring&)>;
 using doublesupplier = std::function<double()>;
-using doubleconsumer = std::function<void(double)>;
 using boolsupplier = std::function<bool()>;
+using vec2supplier = std::function<glm::vec2()>;
+
+using stringconsumer = std::function<void(const std::string&)>;
+using wstringconsumer = std::function<void(const std::wstring&)>;
+using doubleconsumer = std::function<void(double)>;
 using boolconsumer = std::function<void(bool)>;
+using int_array_consumer = std::function<void(const int[], size_t)>;
 using wstringchecker = std::function<bool(const std::wstring&)>;
 
 #endif // DELEGATES_H_