enderalse/source/Enderal DLL/src/Patches/DialogueMenuPatch.h

#pragma once

inline bool bTabBlocked = false;

class DialogueMenuPatch final : public RE::DialogueMenu
{
public:
	static void Install()
	{
		REL::Relocation<uintptr_t> vtbl(RE::VTABLE_DialogueMenu[0]);
		_ProcessMessageFn = vtbl.write_vfunc(0x4, &ProcessMessageEx);
	}

	static void BlockTab(bool a_block = true)
	{
		bTabBlocked = a_block;
	}

private:
	RE::UI_MESSAGE_RESULTS ProcessMessageEx(RE::UIMessage& a_message)
	{
		if (bTabBlocked && a_message.type == RE::UI_MESSAGE_TYPE::kScaleformEvent) {
			RE::BSUIScaleformData* data = static_cast<RE::BSUIScaleformData*>(a_message.data);

			if (data && data->scaleformEvent->type == RE::GFxEvent::EventType::kKeyDown) {
				RE::GFxKeyEvent* key = (RE::GFxKeyEvent*)data->scaleformEvent;

				// Escape triggers a kTab event, added kEscape just in case
				if (key && (key->keyCode == RE::GFxKey::kTab || key->keyCode == RE::GFxKey::kEscape) && !RE::UI::GetSingleton()->IsMenuOpen(RE::ContainerMenu::MENU_NAME) && !RE::UI::GetSingleton()->IsMenuOpen(RE::BarterMenu::MENU_NAME)) {
					OpenJournal(false);
					return RE::UI_MESSAGE_RESULTS::kIgnore;
				}
			}
		}

		return _ProcessMessageFn(this, a_message);
	}

	// When opening from dialogue menu, a_bool must be false to not break framerate of the UI
	void static OpenJournal(bool a_bool)
	{
		using func_t = decltype(&OpenJournal);
		// Checked: 1.5.97, 1.6.640, 1.6.659, 1.6.1130
		REL::Relocation<func_t> func{ REL::RelocationID(52428, 53327) };
		func(a_bool);
	}

	using ProcessMessageFn = decltype(&ProcessMessage);
	inline static REL::Relocation<ProcessMessageFn> _ProcessMessageFn;
};