EGameTools/DL2GameOverhaulScript/source/ImGui/impl/d3d11_impl.cpp

#include <pch.h>
#include "..\menu\menu.h"

namespace impl {
	namespace d3d11 {
		ID3D11Device* d3d11Device = nullptr;
		static ID3D11DeviceContext* d3d11DeviceContext = nullptr;

		HRESULT(__stdcall* oPresent)(IDXGISwapChain*, UINT, UINT);
		HRESULT __stdcall hkPresent11(IDXGISwapChain* pSwapChain, UINT SyncInterval, UINT Flags) {
			static bool init = false;

			if (!init) {
				DXGI_SWAP_CHAIN_DESC desc{};
				pSwapChain->GetDesc(&desc);

				pSwapChain->GetDevice(__uuidof(ID3D11Device), (void**)&d3d11Device);
				d3d11Device->GetImmediateContext(&d3d11DeviceContext);

#ifndef LLMH_IMPL_DISABLE_DEBUG
				std::thread([&desc]() { impl::win32::init(desc.OutputWindow); }).detach();
#else 
				impl::win32::init(desc.OutputWindow);
#endif

				ImGui::CreateContext();
				ImGui::GetIO().IniFilename = nullptr;

				ImGui_ImplWin32_Init(desc.OutputWindow);
				ImGui_ImplDX11_Init(d3d11Device, d3d11DeviceContext);

				Menu::InitImGuiStyle();

				init = true;
			}

			ImGui_ImplDX11_NewFrame();
			ImGui_ImplWin32_NewFrame();
			ImGui::NewFrame();

			Menu::FirstTimeRunning();
			if (Menu::menuToggle.GetValue())
				Menu::Render();

			ImGui::EndFrame();
			ImGui::Render();
			ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData());

			return oPresent(pSwapChain, SyncInterval, Flags);
		}

		void init() {
			assert(kiero::bind(8, (LPVOID*)&oPresent, hkPresent11) == kiero::Status::Success);
		}
	}
}