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-rw-r--r--src/crepe/system/InputSystem.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/crepe/system/InputSystem.h b/src/crepe/system/InputSystem.h
index cd7ca77..8b47e49 100644
--- a/src/crepe/system/InputSystem.h
+++ b/src/crepe/system/InputSystem.h
@@ -1,11 +1,14 @@
#pragma once
+#include "facade/SDLContext.h"
+#include "util/OptionalRef.h"
+
#include "System.h"
-#include "../facade/SDLContext.h"
namespace crepe {
class Button;
+
class Transform;
/**
* \class InputSystem
@@ -57,7 +60,7 @@ private:
* \param transforms A list of transforms to search through.
* \return A pointer to the transform of the button, or nullptr if not found.
*/
- Transform *
+ OptionalRef<Transform>
find_transform_for_button(Button & button,
std::vector<std::reference_wrapper<Transform>> & transforms);