Initial commit

arm9/source/gui/StackVramManager.h

@@ -0,0 +1,30 @@
+#pragma once
+#include "IVramManager.h"
+
+/// @brief Base class for vram managers that work like a stack.
+class StackVramManager : public IVramManager
+{
+public:
+    /// @brief Gets the current state of the stack.
+    /// @return The current state of the stack.
+    u32 GetState() const { return _offset; }
+
+    /// @brief Restores the stack to a previously stored state.
+    /// @param state The state to restore.
+    void SetState(u32 state) { _offset = state; }
+
+    vu16* GetVramAddress(u32 offset) const override
+    {
+        return (vu16*)((vu8*)_vramAddress + offset);
+    }
+
+protected:
+    u32 _offset;
+    vu16* _vramAddress;
+
+    StackVramManager()
+        : _offset(0), _vramAddress(nullptr) { }
+
+    explicit StackVramManager(vu16* vramAddress)
+        : _offset(0), _vramAddress(vramAddress) { }
+};