Initial commit

arm9/source/romBrowser/RomBrowserStateMachine.h

@@ -0,0 +1,26 @@
+#pragma once
+#include "RomBrowserState.h"
+#include "RomBrowserStateTrigger.h"
+
+class RomBrowserStateMachine
+{
+public:
+    void Fire(RomBrowserStateTrigger trigger);
+
+    void Update();
+
+    constexpr RomBrowserState GetPreviousState() const { return _prevState; }
+    constexpr RomBrowserStateTrigger GetLastTrigger() const { return _lastTrigger; }
+    constexpr RomBrowserState GetCurrentState() const { return _curState; }
+
+    constexpr bool HasStateChanged() const { return _stateChanged; }
+
+private:
+    RomBrowserStateTrigger _lastTrigger = RomBrowserStateTrigger::None;
+    RomBrowserState _prevState = RomBrowserState::Start;
+    RomBrowserState _curState = RomBrowserState::Start;
+    RomBrowserStateTrigger _newTrigger = RomBrowserStateTrigger::None;
+    bool _stateChanged = false;
+
+    bool FireDirect(RomBrowserStateTrigger trigger);
+};