// dllmain.cpp : Defines the entry point for the DLL application.
#include "framework.h"
//#include "imgui.h"
#include "imgui_impl_dx9.h"
#include "imgui_impl_win32.h"
typedef
HRESULT
(
__stdcall
*
_EndScene
)
(
IDirect3DDevice9
*
pDevice
)
;
_EndScene oEndScene
;
const
char
*
windowName
=
"GTA: San Andreas"
;
HWND  window
=
FindWindowA
(
NULL
,
windowName
)
;
IDirect3DDevice9
*
pDevice
;
bool
initialized
=
false
;
void
InitImGui
(
IDirect3DDevice9
*
pDevice
)
{
D3DDEVICE_CREATION_PARAMETERS CP
;
pDevice
->
GetCreationParameters
(
&
CP
)
;
//hWnd = CP.hFocusWindow;
ImGuiIO
&
io
=
ImGui
::
GetIO
(
)
;
(
void
)
io
;
io
.
IniFilename
=
NULL
;
io
.
ConfigFlags
|=
ImGuiConfigFlags_NavEnableKeyboard
;
io
.
Fonts
->
AddFontDefault
(
)
;
ImGui_ImplWin32_Init
(
window
)
;
ImGui_ImplDX9_Init
(
pDevice
)
;
initialized
=
true
;
return
;
}
HRESULT __stdcall
hkEndScene
(
IDirect3DDevice9
*
pDevice
)
{
if
(
!
initialized
)
InitImGui
(
pDevice
)
;
else
{
ImGui_ImplDX9_NewFrame
(
)
;
ImGui_ImplWin32_NewFrame
(
)
;
ImGui
::
NewFrame
(
)
;
//ImGui::ShowDemoWindow(&bShow);
ImGui
::
EndFrame
(
)
;
ImGui
::
Render
(
)
;
ImGui_ImplDX9_RenderDrawData
(
ImGui
::
GetDrawData
(
)
)
;
}
return
oEndScene
(
pDevice
)
;
}
DWORD APIENTRY
MainThread
(
LPVOID lparam
)
{
while
(
!
GetModuleHandleA
(
"d3d9.dll"
)
)
//waiting till d3d9.dll gets loaded
{
Sleep
(
1
)
;
}
// Endscene hook
void
*
*
vTableDevice
=
*
(
void
*
*
*
)
(
*
(
DWORD
*
)
0xC97C28
)
;
VTableHookManager
*
vmtHooks
=
new
VTableHookManager
(
vTableDevice
,
119
)
;
oEndScene
=
(
_EndScene
)
vmtHooks
->
Hook
(
42
,
(
void
*
)
hkEndScene
)
;
////////////////////////////////////////////////////////////////////////////////
return
false
;
}
BOOL APIENTRY
DllMain
(
HMODULE hModule
,
DWORD  ul_reason_for_call
,
LPVOID lpReserved
)
{
switch
(
ul_reason_for_call
)
{
case
DLL_PROCESS_ATTACH
:
CreateThread
(
0
,
0
,
MainThread
,
hModule
,
0
,
0
)
;
case
DLL_THREAD_ATTACH
:
case
DLL_THREAD_DETACH
:
case
DLL_PROCESS_DETACH
:
break
;
}
return
TRUE
;
}