[MetaHook] BaseUI hook

Hook IBaseUI function.
  1 #include <metahook.h>
  2 
  3 #include <IBaseUI.h>
  4 
  5 IBaseUI *g_pBaseUI = 0;
  6 
  7 void (__fastcall *g_pfnCBaseUI_Initialize)(void *pthis, int edx, CreateInterfaceFn *factories, int count) = 0;
  8 void (__fastcall *g_pfnCBaseUI_Start)(void *pthis, int edx, struct cl_enginefuncs_s *engineFuncs, int interfaceVersion) = 0;
  9 void (__fastcall *g_pfnCBaseUI_Shutdown)(void *pthis, int edx) = 0;
 10 int (__fastcall *g_pfnCBaseUI_Key_Event)(void *pthis, int edx, int down, int keynum, const char *pszCurrentBinding) = 0;
 11 void (__fastcall *g_pfnCBaseUI_CallEngineSurfaceProc)(void *pthis, int edx, void *hwnd, unsigned int msg, unsigned int wparam, long lparam) = 0;
 12 void (__fastcall *g_pfnCBaseUI_Paint)(void *pthis, int edx, int x, int y, int right, int bottom) = 0;
 13 void (__fastcall *g_pfnCBaseUI_HideGameUI)(void *pthis, int edx) = 0;
 14 void (__fastcall *g_pfnCBaseUI_ActivateGameUI)(void *pthis, int edx) = 0;
 15 bool (__fastcall *g_pfnCBaseUI_IsGameUIVisible)(void *pthis, int edx) = 0;
 16 void (__fastcall *g_pfnCBaseUI_HideConsole)(void *pthis, int edx) = 0;
 17 void (__fastcall *g_pfnCBaseUI_ShowConsole)(void *pthis, int edx) = 0;
 18 
 19 class CBaseUI : public IBaseUI
 20 {
 21 public:
 22     void Initialize(CreateInterfaceFn *factories, int count);
 23     void Start(struct cl_enginefuncs_s *engineFuncs, int interfaceVersion);
 24     void Shutdown(void);
 25     int Key_Event(int down, int keynum, const char *pszCurrentBinding);
 26     void CallEngineSurfaceProc(void *hwnd, unsigned int msg, unsigned int wparam, long lparam);
 27     void Paint(int x, int y, int right, int bottom);
 28     void HideGameUI(void);
 29     void ActivateGameUI(void);
 30     bool IsGameUIVisible(void);
 31     void HideConsole(void);
 32     void ShowConsole(void);
 33 };
 34 
 35 void CBaseUI::Initialize(CreateInterfaceFn *factories, int count)
 36 {
 37     return g_pfnCBaseUI_Initialize(this, 0, factories, count);
 38 }
 39 
 40 void CBaseUI::Start(struct cl_enginefuncs_s *engineFuncs, int interfaceVersion)
 41 {
 42     return g_pfnCBaseUI_Start(this, 0, engineFuncs, interfaceVersion);
 43 }
 44 
 45 void CBaseUI::Shutdown(void)
 46 {
 47     return g_pfnCBaseUI_Shutdown(this, 0);
 48 }
 49 
 50 int CBaseUI::Key_Event(int down, int keynum, const char *pszCurrentBinding)
 51 {
 52     return g_pfnCBaseUI_Key_Event(this, 0, down, keynum, pszCurrentBinding);
 53 }
 54 
 55 void CBaseUI::CallEngineSurfaceProc(void *hwnd, unsigned int msg, unsigned int wparam, long lparam)
 56 {
 57     return g_pfnCBaseUI_CallEngineSurfaceProc(this, 0, hwnd, msg, wparam, lparam);
 58 }
 59 
 60 void CBaseUI::Paint(int x, int y, int right, int bottom)
 61 {
 62     return g_pfnCBaseUI_Paint(this, 0, x, y, right, bottom);
 63 }
 64 
 65 void CBaseUI::HideGameUI(void)
 66 {
 67     return g_pfnCBaseUI_HideGameUI(this, 0);
 68 }
 69 
 70 void CBaseUI::ActivateGameUI(void)
 71 {
 72     return g_pfnCBaseUI_ActivateGameUI(this, 0);
 73 }
 74 
 75 bool CBaseUI::IsGameUIVisible(void)
 76 {
 77     return g_pfnCBaseUI_IsGameUIVisible(this, 0);
 78 }
 79 
 80 void CBaseUI::HideConsole(void)
 81 {
 82     return g_pfnCBaseUI_HideConsole(this, 0);
 83 }
 84 
 85 void CBaseUI::ShowConsole(void)
 86 {
 87     return g_pfnCBaseUI_ShowConsole(this, 0);
 88 }
 89 
 90 void BaseUI_InstallHook(void)
 91 {
 92     CreateInterfaceFn EngineCreateInterface = g_pMetaHookAPI->GetEngineFactory();
 93     g_pBaseUI = (IBaseUI *)EngineCreateInterface(BASEUI_INTERFACE_VERSION, 0);
 94 
 95     CBaseUI BaseUI;
 96     DWORD *pVFTable = *(DWORD **)&BaseUI;
 97 
 98     g_pMetaHookAPI->VFTHook(g_pBaseUI, 0,  1, (void *)pVFTable[ 1], (void *&)g_pfnCBaseUI_Initialize);
 99     g_pMetaHookAPI->VFTHook(g_pBaseUI, 0,  2, (void *)pVFTable[ 2], (void *&)g_pfnCBaseUI_Start);
100     g_pMetaHookAPI->VFTHook(g_pBaseUI, 0,  3, (void *)pVFTable[ 3], (void *&)g_pfnCBaseUI_Shutdown);
101     g_pMetaHookAPI->VFTHook(g_pBaseUI, 0,  4, (void *)pVFTable[ 4], (void *&)g_pfnCBaseUI_Key_Event);
102     g_pMetaHookAPI->VFTHook(g_pBaseUI, 0,  5, (void *)pVFTable[ 5], (void *&)g_pfnCBaseUI_CallEngineSurfaceProc);
103     g_pMetaHookAPI->VFTHook(g_pBaseUI, 0,  6, (void *)pVFTable[ 6], (void *&)g_pfnCBaseUI_Paint);
104     g_pMetaHookAPI->VFTHook(g_pBaseUI, 0,  7, (void *)pVFTable[ 7], (void *&)g_pfnCBaseUI_HideGameUI);
105     g_pMetaHookAPI->VFTHook(g_pBaseUI, 0,  8, (void *)pVFTable[ 8], (void *&)g_pfnCBaseUI_ActivateGameUI);
106     g_pMetaHookAPI->VFTHook(g_pBaseUI, 0,  9, (void *)pVFTable[ 9], (void *&)g_pfnCBaseUI_IsGameUIVisible);
107     g_pMetaHookAPI->VFTHook(g_pBaseUI, 0, 10, (void *)pVFTable[10], (void *&)g_pfnCBaseUI_HideConsole);
108     g_pMetaHookAPI->VFTHook(g_pBaseUI, 0, 11, (void *)pVFTable[11], (void *&)g_pfnCBaseUI_ShowConsole);
109 }