[Decaldev-cvscommit] source/Decal ACHooks.cpp,1.13,1.14 ACHooks.h,1.14,1.15 DecalCP.h,1.2,1.3

[<go...@us...>]

Update of /cvsroot/decaldev/source/Decal
In directory usw-pr-cvs1:/tmp/cvs-serv24605/Decal

Modified Files:
	ACHooks.cpp ACHooks.h DecalCP.h 
Log Message:
Added hooks for screen size
Updated version numbers for new Beta


Index: ACHooks.cpp
===================================================================
RCS file: /cvsroot/decaldev/source/Decal/ACHooks.cpp,v
retrieving revision 1.13
retrieving revision 1.14
diff -C2 -d -r1.13 -r1.14
*** ACHooks.cpp	27 Aug 2002 19:41:18 -0000	1.13
--- ACHooks.cpp	28 Aug 2002 20:55:03 -0000	1.14
***************
*** 10,15 ****
--- 10,23 ----
  void (*pfnMoveItemEx)( DWORD, DWORD, DWORD ) = NULL;
  
+ extern void ObjectDestroyedHook ();
+ extern DWORD HookCall (DWORD dwCallAddress, DWORD dwReplacement);
+ 
+ // statics
+ cACHooks* cACHooks::s_pACHooks = NULL;
+ long g_lObjectDestroyedProc = 0;
+ 
  cACHooks::cACHooks()
  {
+ 	s_pACHooks = this;
  	USES_CONVERSION;
  
***************
*** 251,254 ****
--- 259,302 ----
  		m_Hooks |= eFaceHeading;
  	}
+ 
+ /*
+ 	// While the address of ObjectDestroyed is interesting, it isn't actually needed.
+ 	// We can't assume that the calls we're hooking call to this address, as they
+ 	// might have already been hooked!
+ 	if( QueryMemLoc( _bstr_t( "ObjectDestroyed"), &Val ) == S_OK )
+ 	{
+ 	}
+ */
+ 
+ 	long lCall1 = 0, lCall2 = 0;
+ 	if( QueryMemLoc( _bstr_t( "ObjectDestroyed_Call1"), &Val ) == S_OK )
+ 	{
+ 		lCall1 = Val;
+ 	}
+ 
+ 	if( QueryMemLoc( _bstr_t( "ObjectDestroyed_Call2"), &Val ) == S_OK )
+ 	{
+ 		lCall2 = Val;
+ 	}
+ 
+ 	if (lCall1 && lCall2)
+ 	{
+ 		DWORD dwFunc1 = HookCall (lCall1, (DWORD) ObjectDestroyedHook);
+ 		DWORD dwFunc2 = HookCall (lCall2, (DWORD) ObjectDestroyedHook);
+ 
+ 		_ASSERTE (dwFunc1 && (dwFunc1 == dwFunc2));
+ 
+ 		if (dwFunc1 && (dwFunc1 != dwFunc2))
+ 		{
+ 			// Doh, okay put them back, something's wrong.
+ 			HookCall (lCall1, dwFunc1);
+ 			HookCall (lCall2, dwFunc2);
+ 		}
+ 		else
+ 		{
+ 			m_Hooks |= eObjectDestroyed;
+ 			g_lObjectDestroyedProc = dwFunc1;
+ 		}
+ 	}
  }
  
***************
*** 1070,1071 ****
--- 1118,1191 ----
  }
  
+ void cACHooks::InternalObjectDestroyed (DWORD dwGuid)
+ {
+ 	Fire_ObjectDestroyed (dwGuid);
+ }
+ 
+ void OnObjectDestroyed (DWORD dwGuid)
+ {
+ 	if (cACHooks::s_pACHooks)
+ 	{
+ 		cACHooks::s_pACHooks->InternalObjectDestroyed (dwGuid);
+ 	}
+ }
+ 
+ void __declspec (naked) ObjectDestroyedHook ()
+ {
+ 	_asm
+ 	{
+ 		mov eax,[esp+8]
+ 		push eax
+ 		push ecx
+ 
+ 		push eax
+ 		call OnObjectDestroyed
+ 
+ 		add esp,4
+ 		pop ecx
+ 		pop eax
+ 		mov [esp+8],eax
+ 
+ 		jmp g_lObjectDestroyedProc
+ 	}
+ }
+ 
+ // Returns the function which previously was being called, after replacing it with the new call.
+ DWORD HookCall (DWORD dwCallAddress, DWORD dwReplacement)
+ {
+ 	DWORD* pTemp = (DWORD *) (dwCallAddress + 1);
+ 
+ 	HANDLE hProcess = OpenProcess
+ 		(
+ 		PROCESS_VM_WRITE | PROCESS_VM_OPERATION,
+ 		FALSE,
+ 		GetCurrentProcessId ()
+ 		);
+ 
+ 	DWORD dwOriginal = 0;
+ 
+ 	if (hProcess)
+ 	{
+ 		dwOriginal = (*pTemp) + dwCallAddress + 5;
+ 
+ 		DWORD dwTemp = dwReplacement - (dwCallAddress + 5);
+ 		if (WriteProcessMemory
+ 			(
+ 			hProcess,
+ 			pTemp,
+ 			&dwTemp,
+ 			sizeof (DWORD),
+ 			NULL
+ 			))
+ 		{
+ 		}
+ 		else
+ 		{
+ 			dwOriginal = 0;
+ 		}
+ 
+ 		CloseHandle (hProcess);
+ 	}
+ 
+ 	return dwOriginal ;
+ }

Index: ACHooks.h
===================================================================
RCS file: /cvsroot/decaldev/source/Decal/ACHooks.h,v
retrieving revision 1.14
retrieving revision 1.15
diff -C2 -d -r1.14 -r1.15
*** ACHooks.h	27 Aug 2002 19:41:19 -0000	1.14
--- ACHooks.h	28 Aug 2002 20:55:03 -0000	1.15
***************
*** 151,154 ****
--- 151,157 ----
  	STDMETHOD(get_Area3DHeight)(long *pVal);
  	STDMETHOD(ItemIsKnown)(long lGUID, VARIANT_BOOL* pRetval) ;
+ 
+ 	static cACHooks* s_pACHooks;
+ 	void InternalObjectDestroyed (DWORD dwGuid);
  };
  

Index: DecalCP.h
===================================================================
RCS file: /cvsroot/decaldev/source/Decal/DecalCP.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** DecalCP.h	26 May 2002 21:31:22 -0000	1.2
--- DecalCP.h	28 Aug 2002 20:55:03 -0000	1.3
***************
*** 7,10 ****
--- 7,36 ----
  	//Warning this class may be recreated by the wizard.
  public:
+ 	HRESULT Fire_ObjectDestroyed(LONG guid)
+ 	{
+ 		CComVariant varResult;
+ 		T* pT = static_cast<T*>(this);
+ 		int nConnectionIndex;
+ 		CComVariant* pvars = new CComVariant[1];
+ 		int nConnections = m_vec.GetSize();
+ 		
+ 		for (nConnectionIndex = 0; nConnectionIndex < nConnections; nConnectionIndex++)
+ 		{
+ 			pT->Lock();
+ 			CComPtr<IUnknown> sp = m_vec.GetAt(nConnectionIndex);
+ 			pT->Unlock();
+ 			IDispatch* pDispatch = reinterpret_cast<IDispatch*>(sp.p);
+ 			if (pDispatch != NULL)
+ 			{
+ 				VariantClear(&varResult);
+ 				pvars[0] = guid;
+ 				DISPPARAMS disp = { pvars, NULL, 1, 0 };
+ 				pDispatch->Invoke(0x1, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &disp, &varResult, NULL, NULL);
+ 			}
+ 		}
+ 		delete[] pvars;
+ 		return varResult.scode;
+ 	
+ 	}
  };
  #endif