goldberg_emulator/overlay_experimental/windows/DX9_Hook.h

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#ifndef __INCLUDED_DX9_HOOK_H__
#define __INCLUDED_DX9_HOOK_H__
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#include "../Base_Hook.h"
#ifndef NO_OVERLAY
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#include <d3d9.h>
#include "DirectX_VTables.h"
class DX9_Hook : public Base_Hook
{
public:
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static constexpr const char *DLL_NAME = "d3d9.dll";
private:
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static DX9_Hook* _inst;
// Variables
bool hooked;
bool initialized;
bool uses_present;
// Functions
DX9_Hook();
void resetRenderState();
void prepareForOverlay(IDirect3DDevice9* pDevice);
// Hook to render functions
decltype(&IDirect3DDevice9::Reset) Reset;
decltype(&IDirect3DDevice9::EndScene) EndScene;
decltype(&IDirect3DDevice9::Present) Present;
decltype(&IDirect3DDevice9Ex::PresentEx) PresentEx;
static HRESULT STDMETHODCALLTYPE MyReset(IDirect3DDevice9* _this, D3DPRESENT_PARAMETERS* pPresentationParameters);
static HRESULT STDMETHODCALLTYPE MyEndScene(IDirect3DDevice9 *_this);
static HRESULT STDMETHODCALLTYPE MyPresent(IDirect3DDevice9* _this, CONST RECT* pSourceRect, CONST RECT* pDestRect, HWND hDestWindowOverride, CONST RGNDATA* pDirtyRegion);
static HRESULT STDMETHODCALLTYPE MyPresentEx(IDirect3DDevice9Ex* _this, CONST RECT* pSourceRect, CONST RECT* pDestRect, HWND hDestWindowOverride, CONST RGNDATA* pDirtyRegion, DWORD dwFlags);
public:
virtual ~DX9_Hook();
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bool start_hook();
static DX9_Hook* Inst();
virtual const char* get_lib_name() const;
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void loadFunctions(IDirect3DDevice9 *pDevice, bool ex);
};
#endif//NO_OVERLAY
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#endif//__INCLUDED_DX9_HOOK_H__