Fix build warnings

nel/src/3d/driver/direct3d/driver_direct3d.cpp

@@ -1173,7 +1173,7 @@ void D3DWndProc(CDriverD3D *driver, HWND hWnd, UINT message, WPARAM wParam, LPAR
 		}
 	}
 
-	if (driver->_EventEmitter.getNumEmitters() > 0)
+	if (driver && driver->_EventEmitter.getNumEmitters() > 0)
 	{
 		CWinEventEmitter *we = NLMISC::safe_cast<CWinEventEmitter *>(driver->_EventEmitter.getEmitter(0));
 		// Process the message by the emitter

nel/src/3d/driver/opengl/driver_opengl_vertex_buffer_hard.cpp

@@ -1375,6 +1375,7 @@ CVertexBufferHardARB::~CVertexBufferHardARB()
 	#ifdef NL_DEBUG
 	if (_VertexPtr)
 	{
+		nlassert(_VertexArrayRange);
 		_VertexArrayRange->_MappedVBList.erase(_IteratorInMappedVBList);
 	}
 	#endif

nel/src/3d/render_trav.cpp

@@ -921,7 +921,7 @@ void		CRenderTrav::changeVPLightSetupMaterial(const CMaterial &mat, bool exclude
 		Driver->setUniform4f(IDriver::VertexProgram, program->idxLighted().Diffuse[i], color);
 	}
 
-
+	nlassert(_VPNumLights < MaxVPLight);
 	if (i != _VPNumLights)
 	{
 		color= _VPLightDiffuse[i] * matDiff;

nel/src/3d/scene.cpp

@@ -775,9 +775,9 @@ CTransformShape	*CScene::createInstance(const string &shapeName)
 
 	// Look if this instance get lightmap information
 #if defined(__GNUC__) && __GNUC__ < 3
-	CMeshBase *pMB = (CMeshBase*)((IShape*)(pTShp->Shape));
+	CMeshBase *pMB = pTShp ? (CMeshBase*)((IShape*)(pTShp->Shape)) : NULL;
 #else // not GNUC
-	CMeshBase *pMB = dynamic_cast<CMeshBase*>((IShape*)(pTShp->Shape));
+	CMeshBase *pMB = pTShp ? dynamic_cast<CMeshBase*>((IShape*)(pTShp->Shape)) : NULL;
 #endif // not GNUC
 	CMeshBaseInstance *pMBI = dynamic_cast<CMeshBaseInstance*>( pTShp );
 	if( ( pMB != NULL ) && ( pMBI != NULL ) )

nel/src/3d/shadow_map_manager.cpp

@@ -256,13 +256,13 @@ void			CShadowMapManager::renderGenerate(CScene *scene)
 	garbageShadowTextures(scene);
 
 	IDriver *driverForShadowGeneration= scene->getRenderTrav().getAuxDriver();
+	nlassert(driverForShadowGeneration);
 	CSmartPtr<NL3D::ITexture> previousRenderTarget = driverForShadowGeneration->getRenderTarget();
 
 	// Init
 	// ********
 	uint32	wndW= _BlurTextureW, wndH= _BlurTextureH;
 	// get some text/screen size.
-	if(driverForShadowGeneration)
 	driverForShadowGeneration->getWindowSize(wndW, wndH);
 	uint	baseTextureSize= scene->getShadowMapTextureSize();
 	// Minimize the Dest Texture size, so the blurTexture don't get too heavy in VRAM.

nel/src/3d/shape_bank.cpp

@@ -683,8 +683,7 @@ void CShapeBank::reset()
 	while( scmIt != ShapeCacheNameToShapeCache.end() )
 	{
 		CShapeCache *pShpCache = getShapeCachePtrFromShapeCacheName( scmIt->first );
-		if( pShpCache == NULL )
-			nlstop; // Should never happen
+		nlassert(pShpCache);
 		pShpCache->MaxSize = 0;
 		checkShapeCache( pShpCache );
 

nel/src/3d/surface_light_grid.cpp

@@ -121,6 +121,8 @@ void		CSurfaceLightGrid::getStaticLightSetup(NLMISC::CRGBA sunAmbient, const CVe
 			CLightInfluenceInterpolator::CCorner	&corner= interp.Corners[y*2 + x];
 			// For all lights
 			uint lid;
+			if (igPointLights)
+			{
 				for (lid = 0; lid < CSurfaceLightGrid::NumLightPerCorner; lid++)
 				{
 					// get the id of the light in the ig
@@ -134,6 +136,7 @@ void		CSurfaceLightGrid::getStaticLightSetup(NLMISC::CRGBA sunAmbient, const CVe
 						corner.Lights[lid] = igPointLights + igLightId;
 					}
 				}
+			}
 			// Reset Empty slots.
 			for(; lid<CSurfaceLightGrid::NumLightPerCorner; lid++)
 			{
@@ -152,7 +155,7 @@ void		CSurfaceLightGrid::getStaticLightSetup(NLMISC::CRGBA sunAmbient, const CVe
 			// BiLinear Ambient Contribution.
 			//-------------
 			// If FF, then take Sun Ambient => leave color and alpha To 0.
-			if(cellCorner.LocalAmbientId!=0xFF)
+			if(igPointLights && cellCorner.LocalAmbientId!=0xFF)
 			{
 				CPointLight	&pl= igPointLights[cellCorner.LocalAmbientId];
 				// take current ambient from pointLight

nel/src/3d/tessellation.cpp

@@ -2678,6 +2678,8 @@ void		CTessFace::updateBindAndSplit()
 	}
 	else
 	{
+		nlassert(f0);
+		nlassert(f1);
 		// multipatch face case are detected when face->Patch==NULL !!!
 		if(f0->FLeft && f0->FLeft->Patch==NULL)
 		{
@@ -2710,6 +2712,8 @@ void		CTessFace::updateBindAndSplit()
 	}
 	else
 	{
+		nlassert(f0);
+		nlassert(f1);
 		if(f0->FLeft)
 		{
 			while(f0->FLeft->isLeaf())
@@ -2781,6 +2785,8 @@ void		CTessFace::updateBindAndSplit()
 	{
 		CTessFace	*f;
 		sint		i;
+		nlassert(f0);
+		nlassert(f1);
 
 		// Same reasoning for rectangular patchs, as above.
 		for(i=0;i<2;i++)

nel/src/gui/group_header.cpp

@@ -161,9 +161,15 @@ namespace NLGUI
 				// ...
 				limitingParent = limitingParent->getParent();
 			}
-
+			if (limitingParent)
+			{
 				getParentContainer()->setW(totalWidth + getParentContainer()->getWReal() - limitingParent->getWReal());
 			}
+			else
+			{
+				nlwarning("No limiting parent for width");
+			}
+		}
 
 		// resize H
 		if (!entries.empty())
@@ -178,10 +184,15 @@ namespace NLGUI
 					CInterfaceGroup *limitingParent = colEnclosing->getParent();
 					while (limitingParent && (limitingParent->getResizeFromChildH() || dynamic_cast<CGroupList *>(limitingParent)))
 						limitingParent = limitingParent->getParent();
-
-					nlassert(limitingParent);
+					if (limitingParent)
+					{
 						getParentContainer()->setH(col->getH() + getParentContainer()->getHReal() - limitingParent->getHReal());
 					}
+					else
+					{
+						nlwarning("No limiting parent for height");
+					}
+				}
 			}
 		}
 

nel/src/logic/logic_state_machine.cpp

@@ -50,7 +50,7 @@ void xmlCheckNodeName (xmlNodePtr &node, const char *nodeName)
 		// Make an error message
 		char tmp[512];
 		smprintf (tmp, 512, "LogicStateMachine STATE_MACHINE XML Syntax error in block line %d, node %s should be %s",
-			node ? (int)node->line:-1, node->name, nodeName);
+			node ? (int)node->line:-1, node ? (const char *)node->name : "NULL", nodeName);
 
 		nlinfo (tmp);
 		nlstop;

nel/src/misc/big_file.cpp

@@ -75,7 +75,7 @@ CBigFile::CHandleFile		&CBigFile::CThreadFileArray::get(uint32 index)
 	// if the vector is not allocated, allocate it (empty entries filled with NULL => not opened FILE* in this thread)
 	if(index>=ptr->size())
 	{
-		ptr->resize(index+1);
+		ptr->resize((ptrdiff_t)index + 1);
 	}
 
 	return (*ptr)[index];
@@ -278,11 +278,13 @@ bool CBigFile::BNP::readHeader(FILE *file)
 		}
 
 		char sFileName[256];
+		if (nStringSize)
+		{
 			if (fread(sFileName, 1, nStringSize, file) != nStringSize)
 			{
 				return false;
 			}
-
+		}
 		sFileName[nStringSize] = 0;
 
 		uint32 nFileSize2;

nel/src/misc/bitmap.cpp

@@ -4325,7 +4325,7 @@ void CBitmap::blend(CBitmap &Bm0, CBitmap &Bm1, uint16 factor, bool inputBitmapI
 	else
 	#endif //#ifdef NL_OS_WINDOWS
 	{
-		uint8 *endPix			= dest + (numPix << 2);
+		uint8 *endPix			= dest + ((ptrdiff_t)numPix << 2);
 		// no mmx version
 		uint blendFact    = (uint) factor;
 		uint invblendFact = 256 - blendFact;

nel/src/misc/cdb_branch.cpp

@@ -215,7 +215,7 @@ void CCDBNodeBranch::init( xmlNodePtr node, IProgressCallback &progressCallBack,
 	else
 	{
 		if (!_Nodes.empty())
-			for ( _IdBits=1; _Nodes.size() > unsigned(1<<_IdBits) ; _IdBits++ ) {}
+			for ( _IdBits=1; _Nodes.size() > ((size_t)1 <<_IdBits) ; _IdBits++ ) {}
 		else
 			_IdBits = 0;
 	}

nel/src/misc/debug.cpp

@@ -807,6 +807,8 @@ public:
 
 		DWORD symSize = 10000;
 		PIMAGEHLP_SYMBOL  sym = (PIMAGEHLP_SYMBOL) GlobalAlloc (GMEM_FIXED, symSize);
+		if (!sym) return str;
+
 		::ZeroMemory (sym, symSize);
 		sym->SizeOfStruct = symSize;
 		sym->MaxNameLength = symSize - sizeof(IMAGEHLP_SYMBOL);

nel/src/misc/eval_num_expr.cpp

@@ -773,7 +773,7 @@ CEvalNumExpr::TReturnState CEvalNumExpr::evalExpression (double &finalResult, TT
 							case Exponent:
 								{
 									int exponent;
-									frexp( arg0, &exponent);
+									(void)frexp( arg0, &exponent);
 									value = (double)exponent;
 								}
 								break;
@@ -1032,13 +1032,13 @@ CEvalNumExpr::TReturnState CEvalNumExpr::evalExpression (double &finalResult, TT
 				v0 -= v1;
 				break;
 			case ULeftShift:
-				v0 = (double)(((uint)floor (v0 + 0.5))<<((uint)floor (v1 + 0.5)));
+				v0 = (double)(uint)(((uint)floor (v0 + 0.5))<<((uint)floor (v1 + 0.5)));
 				break;
 			case URightShift:
 				v0 = (double)(((uint)floor (v0 + 0.5))>>((uint)floor (v1 + 0.5)));
 				break;
 			case SLeftShift:
-				v0 = (double)(((sint)floor (v0 + 0.5))<<((sint)floor (v1 + 0.5)));
+				v0 = (double)(sint)(((sint)floor (v0 + 0.5))<<((sint)floor (v1 + 0.5)));
 				break;
 			case SRightShift:
 				v0 = (double)(((sint)floor (v0 + 0.5))>>((sint)floor (v1 + 0.5)));

nel/src/misc/i18n.cpp

@@ -339,7 +339,10 @@ std::string CI18N::getSystemLanguageCode ()
 		typedef int (WINAPI* GetUserDefaultLocaleNamePtr)(LPWSTR lpLocaleName, int cchLocaleName);
 
 		// get pointer on GetUserDefaultLocaleName, kernel32.dll is always in memory so no need to call LoadLibrary
-		GetUserDefaultLocaleNamePtr nlGetUserDefaultLocaleName = (GetUserDefaultLocaleNamePtr)GetProcAddress(GetModuleHandleA("kernel32.dll"), "GetUserDefaultLocaleName");
+		HMODULE hKernel32 = GetModuleHandleA("kernel32.dll");
+		if (hKernel32)
+		{
+			GetUserDefaultLocaleNamePtr nlGetUserDefaultLocaleName = (GetUserDefaultLocaleNamePtr)GetProcAddress(hKernel32, "GetUserDefaultLocaleName");
 
 			// only use it if found
 			if (nlGetUserDefaultLocaleName)
@@ -356,6 +359,7 @@ std::string CI18N::getSystemLanguageCode ()
 					_SystemLanguageCode = lang.substr(0, 2);
 			}
 		}
+	}
 #endif
 
 	// use system locale (works under OS X, Linux and Windows)

nel/src/misc/mem_displayer.cpp

@@ -58,6 +58,8 @@ static string getFuncInfo (DWORD_TYPE funcAddr, DWORD_TYPE stackAddr)
 
 	DWORD symSize = 10000;
 	PIMAGEHLP_SYMBOL  sym = (PIMAGEHLP_SYMBOL) GlobalAlloc (GMEM_FIXED, symSize);
+	if (!sym) return str;
+
 	::ZeroMemory (sym, symSize);
 	sym->SizeOfStruct = symSize;
 	sym->MaxNameLength = symSize - sizeof(IMAGEHLP_SYMBOL);

nel/src/misc/object_arena_allocator.cpp

@@ -72,10 +72,11 @@ void *CObjectArenaAllocator::alloc(uint size)
 	{
 		// use standard allocator
 		nlctassert(NL_DEFAULT_MEMORY_ALIGNMENT >= sizeof(uint));
-		uint8 *block = (uint8 *)aligned_malloc(NL_DEFAULT_MEMORY_ALIGNMENT + size, NL_DEFAULT_MEMORY_ALIGNMENT); //new uint8[size + sizeof(uint)]; // an additionnal uint is needed to store size of block
-		if (!block) return NULL;
+		uint8 *block = (uint8 *)aligned_malloc(NL_DEFAULT_MEMORY_ALIGNMENT + (ptrdiff_t)size, NL_DEFAULT_MEMORY_ALIGNMENT); //new uint8[size + sizeof(uint)]; // an additionnal uint is needed to store size of block
+		if (!block) throw std::bad_alloc();
 		#ifdef NL_DEBUG
 		_MemBlockToAllocID[block] = _AllocID;
+		++_AllocID;
 		#endif
 		*(uint *) block = size;
 		return block + NL_DEFAULT_MEMORY_ALIGNMENT;
@@ -87,12 +88,10 @@ void *CObjectArenaAllocator::alloc(uint size)
 		_ObjectSizeToAllocator[entry] = new CFixedSizeAllocator(entry * _Granularity + NL_DEFAULT_MEMORY_ALIGNMENT, _MaxAllocSize / size); // an additionnal uint is needed to store size of block
 	}
 	void *block = _ObjectSizeToAllocator[entry]->alloc();
+	if (!block) throw std::bad_alloc();
 	nlassert(((uintptr_t)block % NL_DEFAULT_MEMORY_ALIGNMENT) == 0);
 	#ifdef NL_DEBUG
-		if (block)
-		{
 	_MemBlockToAllocID[block] = _AllocID;
-		}
 	++_AllocID;
 	#endif
 	*(uint *)block = size;

nel/src/misc/path.cpp

@@ -1341,11 +1341,14 @@ void CFileContainer::addSearchBigFile (const string &sBigFilename, bool recurse,
 				fclose(Handle);
 				return;
 			}
+			if (nStringSize)
+			{
 				if (fread(FileName, 1, nStringSize, Handle) != nStringSize)
 				{
 					fclose(Handle);
 					return;
 				}
+			}
 			FileName[nStringSize] = 0;
 			uint32 nFileSize2;
 			if (fread (&nFileSize2, sizeof(uint32), 1, Handle) != 1)

nel/src/misc/system_utils.cpp

@@ -173,7 +173,8 @@ bool CSystemUtils::copyTextToClipboard(const ucstring &text)
 		{
 			// create a lock on this buffer
 			void *hLock = GlobalLock(mem);
-
+			if (hLock)
+			{
 				// copy text to this buffer
 				if (isUnicode)
 					wcscpy((wchar_t *)hLock, (const wchar_t *)text.c_str());
@@ -191,6 +192,7 @@ bool CSystemUtils::copyTextToClipboard(const ucstring &text)
 
 				res = true;
 			}
+		}
 
 		CloseClipboard();
 	}

nel/src/misc/win_thread.cpp

@@ -209,11 +209,11 @@ void CWinThread::start ()
 	ThreadHandle = (void *) ::CreateThread (NULL, 0, ProxyFunc, this, 0, (DWORD *)&ThreadId);
 //	nldebug("NLMISC: thread %x started for runnable '%x'", typeid( Runnable ).name());
 //	OutputDebugString(toString(NL_LOC_MSG " NLMISC: thread %x started for runnable '%s'\n", ThreadId, typeid( *Runnable ).name()).c_str());
-	SetThreadPriorityBoost (ThreadHandle, TRUE); // FALSE == Enable Priority Boost
 	if (ThreadHandle == NULL)
 	{
 		throw EThread ( "Cannot create new thread" );
 	}
+	SetThreadPriorityBoost (ThreadHandle, TRUE); // FALSE == Enable Priority Boost
 
 	_SuspendCount = 0;
 }

ryzom/client/src/client_chat_manager.cpp

@@ -1230,6 +1230,7 @@ class CHandlerEnterTell : public IActionHandler
 		{
 			CGroupContainer *pGC = pCGW->createFreeTeller(receiver);
 			if (pGC != NULL)
+			{
 				pGC->setActive(true);
 				CGroupEditBox *eb = dynamic_cast<CGroupEditBox *>(pGC->getGroup("eb"));
 				if (eb)
@@ -1238,6 +1239,7 @@ class CHandlerEnterTell : public IActionHandler
 				}
 			}
 		}
+	}
 };
 REGISTER_ACTION_HANDLER( CHandlerEnterTell, "enter_tell");
 

ryzom/client/src/continent.cpp

@@ -956,6 +956,7 @@ void CContinent::unselect()
 		// Setup the Root scene.
 		if (BackgroundIG)
 		{
+			nlassert(SceneRoot);
 			BackgroundIG->removeFromScene (*SceneRoot);
 			SceneRoot->deleteInstanceGroup (BackgroundIG);
 			BackgroundIG = NULL;

ryzom/client/src/forage_source_cl.cpp

@@ -101,7 +101,7 @@ bool CForageSourceCL::build( const CEntitySheet *sheet )
 	const CForageSourceSheet *forageSourceSheet = dynamic_cast<const CForageSourceSheet*>(sheet);
 	if ( ! forageSourceSheet )
 	{
-		nlwarning( "Bad sheet %s for forage source", sheet->Id.toString().c_str() );
+		nlwarning( "Bad sheet %s for forage source", sheet ? sheet->Id.toString().c_str() : "NULL" );
 		return false;
 	}
 	if ( ! setFx( forageSourceSheet->FxFilename ) )

ryzom/client/src/fx_cl.cpp

@@ -75,7 +75,7 @@ bool CFxCL::build( const CEntitySheet *sheet )
 	if ( (! _FXSheet) || (_FXSheet->PSList.empty()) )
 	{
 		_BadBuild = true;
-		nlwarning( "Bad sheet %s for fx", sheet->Id.toString().c_str() );
+		nlwarning( "Bad sheet %s for fx", sheet ? sheet->Id.toString().c_str() : "NULL" );
 		return false;
 	}
 

ryzom/client/src/interface_v3/action_handler_game.cpp

@@ -1334,7 +1334,7 @@ class CSelectItemSheet : public IActionHandler
 		// check if user has the level to use the item (applies to item & plans)
 		if (ctrlSheet->getSheetCategory() == CDBCtrlSheet::Item)
 		{
-			if (csg->getName() == "buy_selection")
+			if (csg && csg->getName() == "buy_selection")
 			{
 				const CItemSheet *is = ctrlSheet->asItemSheet();
 				if (is)

ryzom/client/src/interface_v3/action_handler_phrase.cpp

@@ -1191,6 +1191,8 @@ public:
 			if( pPM->avoidCyclicForPhrase(phraseCom) )
 				cyclic= false;
 
+			if (UserEntity)
+			{
 				// **** Launch the cast
 				// Cast only if their is a target, or if it is not a combat action
 				CEntityCL *target = EntitiesMngr.entity(UserEntity->targetSlot());
@@ -1245,6 +1247,7 @@ public:
 				}
 			}
 		}
+	}
 };
 REGISTER_ACTION_HANDLER( CHandlerCastPhrase, "cast_phrase");
 sint64	CHandlerCastPhrase::LastHitTime= 0;

ryzom/client/src/interface_v3/dbgroup_list_sheet_trade.cpp

@@ -475,7 +475,7 @@ bool CDBGroupListSheetTrade::CSheetChildTrade::isSheetValid(CDBGroupListSheetTex
 		if ((pIS != NULL) && (!pIS->DropOrSell))
 			return false;
 		// test if this whole family of items can be sold
-		if( !ITEMFAMILY::isSellableByPlayer(pIS->Family) )
+		if((pIS != NULL) && !ITEMFAMILY::isSellableByPlayer(pIS->Family) )
 			return false;
 	}
 

ryzom/client/src/interface_v3/interface_manager.cpp

@@ -2980,10 +2980,10 @@ void CInterfaceManager::log(const ucstring &str, const std::string &cat)
 		{
 			const string finalString = string(NLMISC::IDisplayer::dateToHumanString()) + " (" + NLMISC::toUpper(cat) + ") * " + str.toUtf8();
 			fprintf(f, "%s\n", finalString.c_str());
-		}
 			fclose(f);
 		}
 	}
+}
 
 // ***************************************************************************
 void CInterfaceManager::clearAllEditBox()

ryzom/client/src/interface_v3/sphrase_manager.cpp

@@ -3576,14 +3576,13 @@ void				CSPhraseManager::updatePhraseProgressionDB()
 					break;
 				}
 			}
-		}
-
 
 			// if show, but only if full learnt, skip it if not fully learnt
 			if (phrase->ShowInAPOnlyIfLearnt && !known)
 			{
 				continue;
 			}
+		}
 
 
 		// fill with the phrase id

ryzom/client/src/r2/displayer_visual_group.cpp

@@ -98,7 +98,7 @@ protected:
 	{
 		CGroupMap *gm = CTool::getWorldMap();
 		if (!gm) dest = CVector::Null;
-		gm->worldToWindow(dest, src);
+		else gm->worldToWindow(dest, src);
 	}
 };
 

ryzom/client/src/r2/dmc/client_edition_module.cpp

@@ -2227,6 +2227,7 @@ void CClientEditionModule::addToSaveList(const std::string& filename, const std:
 	if (!ok)
 	{
 		delete sv;
+		return;
 	}
 	else
 	{

ryzom/client/src/r2/editor.cpp

@@ -6302,7 +6302,7 @@ CInstance *CEditor::getInstanceUnderPos(float x, float y, float distSelection, b
 			objectSelected= precInstanceUnderPos->getDisplayerVisual();
 	}
 
-	if (objectSelected->getSelectionType() == ISelectableObject::GroundProjected)
+	if (objectSelected && objectSelected->getSelectionType() == ISelectableObject::GroundProjected)
 	{
 		if (borderSelected && borderSelected != objectSelected)
 		{

ryzom/client/src/r2/prim_render.cpp

@@ -202,7 +202,7 @@ CCtrlPolygon *CPrimRender::newCtrlPolygon() const
 		{
 			CGroupMap *gm = CTool::getWorldMap();
 			if (!gm) dest = CVector::Null;
-			gm->worldToWindow(dest, src);
+			else gm->worldToWindow(dest, src);
 		}
 	};
 	CViewBase::TCtorParam param;

ryzom/client/src/timed_fx_manager.cpp

@@ -204,7 +204,7 @@ CTimedFXManager::TFXGroupHandle CTimedFXManager::add(const std::vector<CTimedFX>
 		//sint32 debugDay;
 		if (!(fi.FXSheet && fi.FXSheet->Mode == CSeasonFXSheet::AlwaysStarted))
 		{
-			if (fi.FXSheet->Mode == CSeasonFXSheet::Spawn)
+			if (fi.FXSheet && fi.FXSheet->Mode == CSeasonFXSheet::Spawn)
 			{
 				// compute next spawn date
 				float cycleLength = fi.FXSheet ? fi.FXSheet->CycleDuration : _DayLength;

ryzom/common/src/game_share/time_weather_season/weather_function.cpp

@@ -37,7 +37,7 @@ CWeatherFunction::CWeatherFunction()
 void CWeatherFunction::buildFromSheet(const CWeatherFunctionSheet &sheet, const CWeatherManager &wm)
 {
 	// copy common part of objects (parameters)
-	*static_cast<CWeatherFunctionParameters *>(this) = *static_cast<const CWeatherFunctionParameters *>(&sheet);
+	static_cast<CWeatherFunctionParameters &>(*this) = static_cast<const CWeatherFunctionParameters &>(sheet);
 	// get pointer on the setup from their names
 	_WeatherSetups.resize(sheet.SetupNames.size());
 	nlassert(sheet.SetupWeights.size() == sheet.SetupNames.size());