1 files changed, 22 insertions, 0 deletions
diff --git a/src/crepe/system/InputSystem.h b/src/crepe/system/InputSystem.h
index eefd9fe..9cad178 100644
--- a/src/crepe/system/InputSystem.h
+++ b/src/crepe/system/InputSystem.h
@@ -5,6 +5,9 @@
 
 #include "../types.h"
 #include "../util/OptionalRef.h"
+#include "../api/Metadata.h"
+#include "../api/Event.h"
+
 
 #include "System.h"
 
@@ -14,6 +17,25 @@ class Camera;
 class Button;
 class Transform;
 /**
+ * \brief Event triggered during a collision between objects.
+ */
+class ButtonPressEvent : public Event {
+public:
+	const Metadata& meta_data;
+	ButtonPressEvent(const Metadata& meta_data) : meta_data(meta_data){};;
+};
+class ButtonEnterEvent : public Event {
+public:
+	const Metadata& meta_data;
+	ButtonEnterEvent(const Metadata& meta_data) : meta_data(meta_data){};
+};
+class ButtonExitEvent : public Event {
+public:
+	const Metadata& meta_data;
+	ButtonExitEvent(const Metadata& meta_data) : meta_data(meta_data){};
+};
+
+/**
  * \brief Handles the processing of input events created by SDLContext
  *
  * This system processes events such as mouse clicks, mouse movement, and keyboard