pico-loader/arm9/source/patches/arm7/sdk5/CardiDoTaskFromArm9Patch.h

#pragma once
#include "patches/Patch.h"

/// @brief Arm7 patch for redirecting save reads and writes on SDK 5.
class CardiDoTaskFromArm9Patch : public Patch
{
public:
    explicit CardiDoTaskFromArm9Patch(void* saveTmpBuffer)
        : _saveTmpBuffer(saveTmpBuffer) { }

    bool FindPatchTarget(PatchContext& patchContext) override;
    void ApplyPatch(PatchContext& patchContext) override;

private:
    u32* _cardiDoTaskFromArm9 = nullptr;
    const u32* _foundPattern = nullptr;
    void* _saveTmpBuffer;
    u16 _thumb = false;

    void TryPattern(PatchContext& patchContext, const u32* pattern);
};