diff --git a/client/CBitmapHandler.cpp b/client/CBitmapHandler.cpp
index d2892fe75..92f83e795 100644
--- a/client/CBitmapHandler.cpp
+++ b/client/CBitmapHandler.cpp
@@ -22,24 +22,6 @@ int readNormalNr (int pos, int bytCon, const unsigned char * str);
 
 extern DLL_EXPORT CLodHandler *bitmaph;
 
-void BMPHeader::print(std::ostream & out)
-{
-	CDefHandler::print(out,fullSize,4);
-	CDefHandler::print(out,_h1,4);
-	CDefHandler::print(out,_c1,4);
-	CDefHandler::print(out,_c2,4);
-	CDefHandler::print(out,x,4);
-	CDefHandler::print(out,y,4);
-	CDefHandler::print(out,_c3,2);
-	CDefHandler::print(out,_c4,2);
-	CDefHandler::print(out,_h2,4);
-	CDefHandler::print(out,_h3,4);
-	CDefHandler::print(out,dataSize1,4);
-	CDefHandler::print(out,dataSize2,4);
-	for (int i=0;i<8;i++)
-		out << _c5[i];
-	out.flush();
-}
 void CPCXConv::openPCX(char * PCX, int len)
 {
 	pcxs=len;
@@ -57,11 +39,11 @@ void CPCXConv::fromFile(std::string path)
 	is.close();
 }
 
-void CPCXConv::saveBMP(std::string path)
+void CPCXConv::saveBMP(std::string path) const
 {
 	std::ofstream os;
 	os.open(path.c_str(), std::ios::binary);
-	os.write((char*)bmp,bmps);
+	os.write(reinterpret_cast<const char*>(bmp), bmps);
 	os.close();
 }
 
@@ -131,19 +113,14 @@ SDL_Surface * CPCXConv::getSurface() const
 			tp.unused = 0;
 			*(ret->format->palette->colors+i) = tp;
 		}
-		for (y=height;y>0;y--)
+		for (y=height; y>0; --y)
 		{
-			it=0xC+(y-1)*width;
-			for (int j=0;j<width;j++)
-			{
-				*((char*)ret->pixels + ret->pitch * (y-1) + ret->format->BytesPerPixel * j) = pcx[it+j];
-			}
+			it = 0xC + (y-1)*width;
+			memcpy((char*)ret->pixels + ret->pitch * (y-1), pcx + it, width);
+
 			if (add>0)
 			{
-				for (int j=0;j<add;j++)
-				{
-					*((char*)ret->pixels + ret->pitch * (y-1) + ret->format->BytesPerPixel * (j+width)) = 0;
-				}
+				memset((char*)ret->pixels + ret->pitch * (y-1) + width, 0, add);
 			}
 		}
 	}
@@ -151,17 +128,13 @@ SDL_Surface * CPCXConv::getSurface() const
 	{
 		for (y=height; y>0; y--)
 		{
-			it=0xC+(y-1)*width*3;
-			for (int j=0;j<width*3;j++)
-			{
-				*((char*)ret->pixels + ret->pitch * (y-1) + j) = pcx[it+j];
-			}
+			it = 0xC + (y-1)*width*3;
+
+			memcpy((char*)ret->pixels + ret->pitch * (y-1), pcx + it, width*3);
+
 			if (add>0)
 			{
-				for (int j=0;j<add*3;j++)
-				{
-					*((char*)ret->pixels + ret->pitch * (y-1) + (j+width*3)) = 0;
-				}
+				memset((char*)ret->pixels + ret->pitch * (y-1) + width*3, 0, add*3);
 			}
 		}
 	}
diff --git a/client/CBitmapHandler.h b/client/CBitmapHandler.h
index 6c38fbb29..c8683370e 100644
--- a/client/CBitmapHandler.h
+++ b/client/CBitmapHandler.h
@@ -24,27 +24,13 @@ struct BMPPalette
 	unsigned char R,G,B,F;
 };
 
-struct BMPHeader
-{
-	int fullSize, _h1, _h2, _h3, _c1, _c2, _c3, _c4, x, y,
-		dataSize1, dataSize2; //DataSize=X*Y+2*Y
-	unsigned char _c5[8];
-	void print(std::ostream & out);
-	BMPHeader()
-	{
-		_h1=_h2=0;
-		for(int i=0;i<8;i++)
-			_c5[i]=0;
-	}
-};
-
 class CPCXConv
 {	
 public:
 	unsigned char * pcx, *bmp;
 	int pcxs, bmps;
 	void fromFile(std::string path);
-	void saveBMP(std::string path);
+	void saveBMP(std::string path) const;
 	void openPCX(char * PCX, int len);
 	SDL_Surface * getSurface() const; //for standard H3 PCX
 	//SDL_Surface * getSurfaceZ(); //for ZSoft PCX
diff --git a/client/CCursorHandler.cpp b/client/CCursorHandler.cpp
index 366b24bc7..736d74c06 100644
--- a/client/CCursorHandler.cpp
+++ b/client/CCursorHandler.cpp
@@ -155,4 +155,13 @@ void CCursorHandler::shiftPos( int &x, int &y )
 			y -= 20;
 		}
 	}
-}
\ No newline at end of file
+}
+
+CCursorHandler::~CCursorHandler()
+{
+	if(help)
+		SDL_FreeSurface(help);
+
+	for(int g=0; g<cursors.size(); ++g)
+		delete cursors[g];
+}
diff --git a/client/CCursorHandler.h b/client/CCursorHandler.h
index c44d43dd3..1196cac12 100644
--- a/client/CCursorHandler.h
+++ b/client/CCursorHandler.h
@@ -25,7 +25,7 @@ public:
 
 	std::vector<CDefHandler*> cursors;
 	int xpos, ypos; //position of cursor
-	void initCursor(); //inits cursorHandler
+	void initCursor(); //inits cursorHandler - run only once, it's not memleak-proof (rev 1333)
 	void cursorMove(const int & x, const int & y); //change cursor's positions to (x, y)
 	void changeGraphic(const int & type, const int & no); //changes cursor graphic for type type (0 - adventure, 1 - combat, 2 - default, 3 - spellbook) and frame no (not used for type 3)
 	void draw1();
@@ -34,6 +34,7 @@ public:
 	void draw2();
 	void hide(){Show=0;};
 	void show(){Show=1;};
+	~CCursorHandler();
 };
 
 
diff --git a/hch/CDefHandler.cpp b/hch/CDefHandler.cpp
index c6d3268d9..55aeaba86 100644
--- a/hch/CDefHandler.cpp
+++ b/hch/CDefHandler.cpp
@@ -77,7 +77,7 @@ void CDefHandler::openFromMemory(unsigned char *table, std::string name)
 	DEFType = SDL_SwapLE32(de.DEFType);
 	width = SDL_SwapLE32(de.width);
 	height = SDL_SwapLE32(de.height);
-	totalBlocks = SDL_SwapLE32(de.totalBlocks);
+	unsigned int totalBlocks = SDL_SwapLE32(de.totalBlocks);
 
 	for (unsigned int it=0;it<256;it++)
 	{
@@ -91,7 +91,7 @@ void CDefHandler::openFromMemory(unsigned char *table, std::string name)
 	p = reinterpret_cast<unsigned char *>(&de);
 	p += sizeof(de);
 
-	totalEntries=0;
+	int totalEntries=0;
 	for (unsigned int z=0; z<totalBlocks; z++)
 	{
 		SDefEntryBlock &block = * reinterpret_cast<SDefEntryBlock *>(p);
@@ -139,27 +139,6 @@ void CDefHandler::openFromMemory(unsigned char *table, std::string name)
 	}
 }
 
-unsigned char * CDefHandler::writeNormalNr (int nr, int bytCon)
-{
-	//int tralalalatoniedziala = 2*9+100-4*bytCon;
-	//unsigned char * ret = new unsigned char[bytCon];
-	unsigned char * ret = NULL;
-	for(int jj=0; jj<100; ++jj)
-	{
-		ret = (unsigned char*)calloc(1, bytCon);
-		if(ret!=NULL)
-			break;
-	}
-	long long amp = pow((long long int)256,bytCon-1);
-	for (int i=bytCon-1; i>=0;i--)
-	{
-		int test2 = nr/(amp);
-		ret[i]=test2;
-		nr -= (nr/(amp))*amp;
-		amp/=256;
-	}
-	return ret;
-}
 void CDefHandler::expand(unsigned char N,unsigned char & BL, unsigned char & BR)
 {
 	BL = (N & 0xE0) >> 5;
@@ -191,15 +170,8 @@ int CDefHandler::readNormalNr (int pos, int bytCon, const unsigned char * str, b
 	}
 	return ret;
 }
-void CDefHandler::print (std::ostream & stream, int nr, int bytcon)
-{
-	unsigned char * temp = writeNormalNr(nr,bytcon);
-	for (int i=0;i<bytcon;i++)
-		stream << char(temp[i]);
-	free(temp);
-}
 
-SDL_Surface * CDefHandler::getSprite (int SIndex, unsigned char * FDef, BMPPalette * palette)
+SDL_Surface * CDefHandler::getSprite (int SIndex, const unsigned char * FDef, const BMPPalette * palette) const
 {
 	SDL_Surface * ret=NULL;
 
@@ -216,7 +188,7 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, unsigned char * FDef, BMPPalet
 	unsigned char SegmentType;//, BL, BR; //TODO use me
 
 	BaseOffset = SEntries[SIndex].offset;
-	SSpriteDef sd = * reinterpret_cast<SSpriteDef *>(FDef + BaseOffset);
+	SSpriteDef sd = * reinterpret_cast<const SSpriteDef *>(FDef + BaseOffset);
 
 	prSize = SDL_SwapLE32(sd.prSize); //TODO use me
 	defType2 = SDL_SwapLE32(sd.defType2);
@@ -261,7 +233,7 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, unsigned char * FDef, BMPPalet
 
 	// If there's a margin anywhere, just blank out the whole surface.
 	if (TopMargin > 0 || BottomMargin > 0 || LeftMargin > 0 || RightMargin > 0) {
-		memset(((char *)ret->pixels), 0, FullHeight*FullWidth);
+		memset( reinterpret_cast<char*>(ret->pixels), 0, FullHeight*FullWidth);
 	}
 
 	// Skip top margin
@@ -277,7 +249,7 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, unsigned char * FDef, BMPPalet
 			if (LeftMargin>0)
 				ftcp += LeftMargin;
 
-			memcpy((char*)(ret->pixels)+ftcp, &FDef[BaseOffset], SpriteWidth);
+			memcpy(reinterpret_cast<char*>(ret->pixels)+ftcp, &FDef[BaseOffset], SpriteWidth);
 			ftcp += SpriteWidth;
 			BaseOffset += SpriteWidth;
 			
@@ -289,7 +261,7 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, unsigned char * FDef, BMPPalet
 
 	case 1:
 	{
-		unsigned int * RWEntriesLoc = reinterpret_cast<unsigned int *>(FDef+BaseOffset);
+		const unsigned int * RWEntriesLoc = reinterpret_cast<const unsigned int *>(FDef+BaseOffset);
 		BaseOffset += sizeof(int) * SpriteHeight;
 		for (unsigned int i=0;i<SpriteHeight;i++)
 		{
@@ -309,7 +281,7 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, unsigned char * FDef, BMPPalet
 				{
 					for (unsigned int k=0; k<SegmentLength;k++)
 					{
-						((char*)(ret->pixels))[ftcp++]=FDef[BaseOffset+k];
+						(reinterpret_cast<char*>(ret->pixels))[ftcp++]=FDef[BaseOffset+k];
 						if ((TotalRowLength+k)>=SpriteWidth)
 							break;
 					}
@@ -318,7 +290,7 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, unsigned char * FDef, BMPPalet
 				}
 				else
 				{
-					memset((char*)(ret->pixels)+ftcp, SegmentType, SegmentLength);
+					memset(reinterpret_cast<char*>(ret->pixels)+ftcp, SegmentType, SegmentLength);
 					ftcp += SegmentLength;
 					TotalRowLength += SegmentLength;
 				}
@@ -337,11 +309,7 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, unsigned char * FDef, BMPPalet
 
 	case 2:
 	{
-		/*for (int i=0;i<SpriteHeight;i++)
-		{
-			RWEntries[i] = readNormalNr(BaseOffsetor+i*2*(SpriteWidth/32), 2, FDef);
-		}*/
-		BaseOffset = BaseOffsetor + *(unsigned short*)( FDef + BaseOffsetor ); //was + RWEntries[0];
+		BaseOffset = BaseOffsetor + *reinterpret_cast<const unsigned short*>( FDef + BaseOffsetor ); //was + RWEntries[0];
 		for (unsigned int i=0;i<SpriteHeight;i++)
 		{
 			//BaseOffset = BaseOffsetor+RWEntries[i];
@@ -357,13 +325,13 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, unsigned char * FDef, BMPPalet
 				unsigned char value = (SegmentType & 31) + 1;
 				if(code==7)
 				{
-					memcpy((char*)(ret->pixels)+ftcp, &FDef[BaseOffset], value);
+					memcpy(reinterpret_cast<char*>(ret->pixels)+ftcp, &FDef[BaseOffset], value);
 					ftcp += value;
 					BaseOffset += value;
 				}
 				else
 				{
-					memset((char*)(ret->pixels)+ftcp, code, value);
+					memset(reinterpret_cast<char*>(ret->pixels)+ftcp, code, value);
 					ftcp += value;
 				}
 				TotalRowLength+=value;
@@ -382,10 +350,6 @@ SDL_Surface * CDefHandler::getSprite (int SIndex, unsigned char * FDef, BMPPalet
 
 	case 3:
 	{
-		/*for (int i=0;i<SpriteHeight;i++)
-		{
-			RWEntries[i] = readNormalNr(BaseOffsetor+i*2*(SpriteWidth/32), 2, FDef);
-		}*/
 		for (unsigned int i=0;i<SpriteHeight;i++)
 		{
 			BaseOffset = BaseOffsetor + *(unsigned short*)( FDef + BaseOffsetor+i*2*(SpriteWidth/32) ); //was + RWEntries[i] before speedup
diff --git a/hch/CDefHandler.h b/hch/CDefHandler.h
index da4dcd3b8..27f789473 100644
--- a/hch/CDefHandler.h
+++ b/hch/CDefHandler.h
@@ -68,8 +68,7 @@ struct SSpriteDef {
 class CDefHandler
 {
 private:
-	unsigned int totalEntries, DEFType, totalBlocks;
-	bool allowRepaint;
+	unsigned int DEFType;
 	int length;
 	//unsigned int * RWEntries;
 	struct SEntry
@@ -82,19 +81,17 @@ private:
 
 public:
 	int width, height; //width and height
-	std::string defName, curDir;
+	std::string defName;
 	std::vector<Cimage> ourImages;
 	bool alphaTransformed;
 	bool notFreeImgs;
 
 	CDefHandler(); //c-tor
 	~CDefHandler(); //d-tor
-	static void print (std::ostream & stream, int nr, int bytcon);
 	static int readNormalNr (int pos, int bytCon, const unsigned char * str=NULL, bool cyclic=false);
-	static unsigned char *writeNormalNr (int nr, int bytCon);
-	SDL_Surface * getSprite (int SIndex, unsigned char * FDef, BMPPalette * palette); //zapisuje klatke o zadanym numerze do "testtt.bmp"
+	SDL_Surface * getSprite (int SIndex, const unsigned char * FDef, const BMPPalette * palette) const; //zapisuje klatke o zadanym numerze do "testtt.bmp"
 	void openDef(std::string name);
-	void expand(unsigned char N,unsigned char & BL, unsigned char & BR);
+	static void expand(unsigned char N,unsigned char & BL, unsigned char & BR);
 	void openFromMemory(unsigned char * table, std::string name);
 	CDefEssential * essentialize();
 
diff --git a/hch/CLodHandler.cpp b/hch/CLodHandler.cpp
index 9352027ff..ab423f190 100644
--- a/hch/CLodHandler.cpp
+++ b/hch/CLodHandler.cpp
@@ -98,82 +98,6 @@ unsigned char * CLodHandler::giveFile(std::string defName, int * length)
 	return NULL;
 }
 
-int CLodHandler::infs(unsigned char * in, int size, int realSize, std::ofstream & out, int wBits)
-{
-	int ret;
-	unsigned have;
-	z_stream strm;
-	unsigned char inx[NLoadHandlerHelp::fCHUNK];
-	unsigned char outx[NLoadHandlerHelp::fCHUNK];
-
-	/* allocate inflate state */
-	strm.zalloc = Z_NULL;
-	strm.zfree = Z_NULL;
-	strm.opaque = Z_NULL;
-	strm.avail_in = 0;
-	strm.next_in = Z_NULL;
-	ret = inflateInit2(&strm, wBits);
-	if (ret != Z_OK)
-		return ret;
-	int chunkNumber = 0;
-	do
-	{
-		int readBytes = 0;
-		for(int i=0; i<NLoadHandlerHelp::fCHUNK && (chunkNumber * NLoadHandlerHelp::fCHUNK + i)<size; ++i)
-		{
-			inx[i] = in[chunkNumber * NLoadHandlerHelp::fCHUNK + i];
-			++readBytes;
-		}
-		++chunkNumber;
-		strm.avail_in = readBytes;
-		//strm.avail_in = fread(inx, 1, NLoadHandlerHelp::fCHUNK, source);
-		/*if (in.bad())
-		{
-			(void)inflateEnd(&strm);
-			return Z_ERRNO;
-		}*/
-		if (strm.avail_in == 0)
-			break;
-		strm.next_in = inx;
-
-		/* run inflate() on input until output buffer not full */
-		do
-		{
-			strm.avail_out = NLoadHandlerHelp::fCHUNK;
-			strm.next_out = outx;
-			ret = inflate(&strm, Z_NO_FLUSH);
-			//assert(ret != Z_STREAM_ERROR);  /* state not clobbered */
-			switch (ret)
-			{
-				case Z_NEED_DICT:
-					ret = Z_DATA_ERROR;	 /* and fall through */
-				case Z_DATA_ERROR:
-				case Z_MEM_ERROR:
-					(void)inflateEnd(&strm);
-					return ret;
-			}
-			have = NLoadHandlerHelp::fCHUNK - strm.avail_out;
-			/*if (fwrite(out, 1, have, dest) != have || ferror(dest))
-			{
-				(void)inflateEnd(&strm);
-				return Z_ERRNO;
-			}*/
-			out.write((char*)outx, have);
-			if(out.bad())
-			{
-				(void)inflateEnd(&strm);
-				return Z_ERRNO;
-			}
-		} while (strm.avail_out == 0);
-
-		/* done when inflate() says it's done */
-	} while (ret != Z_STREAM_END);
-
-	/* clean up and return */
-	(void)inflateEnd(&strm);
-	return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR;
-}
-
 DLL_EXPORT int CLodHandler::infs2(unsigned char * in, int size, int realSize, unsigned char *& out, int wBits)
 {
 	int ret;
@@ -240,50 +164,18 @@ DLL_EXPORT int CLodHandler::infs2(unsigned char * in, int size, int realSize, un
 
 void CLodHandler::extractFile(std::string FName, std::string name)
 {
-	std::transform(name.begin(), name.end(), name.begin(), (int(*)(int))toupper);
-	for (int i=0;i<totalFiles;i++)
+	int len; //length of file to write
+	unsigned char * outp = giveFile(name, &len);
+	std::ofstream out;
+	out.open(FName.c_str(), std::ios::binary);
+	if(!out.is_open())
 	{
-		std::string buf1 = entries[i].nameStr;
-		std::transform(buf1.begin(), buf1.end(), buf1.begin(), (int(*)(int))toupper);
-		if(buf1!=name)
-			continue;
-		LOD.seekg(entries[i].offset, std::ios::beg);
-		std::string bufff = (FName);
-		unsigned char * outp;
-		if (entries[i].size==0) //file is not compressed
-		{
-			outp = new unsigned char[entries[i].realSize];
-			LOD.read((char*)outp, entries[i].realSize);
-			std::ofstream out;
-			out.open(bufff.c_str(), std::ios::binary);
-			if(!out.is_open())
-			{
-				tlog1<<"Unable to create "<<bufff;
-			}
-			else
-			{
-				for(int hh=0; hh<entries[i].realSize; ++hh)
-				{
-					out<<*(outp+hh);
-				}
-				out.close();
-			}
-		}
-		else //we will decompressing file
-		{
-			outp = new unsigned char[entries[i].size];
-			LOD.read((char*)outp, entries[i].size);
-			std::ofstream destin;
-			destin.open(bufff.c_str(), std::ios::binary);
-			//int decRes = decompress(outp, entries[i].size, entries[i].realSize, bufff);
-			int decRes = infs(outp, entries[i].size, entries[i].realSize, destin);
-			destin.close();
-			if(decRes!=0)
-			{
-				tlog1<<"LOD Extraction error"<<"  "<<decRes<<" while extracting to "<<bufff<<std::endl;
-			}
-		}
-		delete[] outp;
+		tlog1<<"Unable to create "<<FName<<std::endl;
+	}
+	else
+	{
+		out.write(reinterpret_cast<char*>(outp), len);
+		out.close();
 	}
 }
 
@@ -368,10 +260,7 @@ std::string CLodHandler::getTextFile(std::string name)
 		exit(1);
 	}
 
-	std::string ret;
-	ret.reserve(length);
-	for(int i=0;i<length;i++)
-		ret+=data[i];
+	std::string ret(data, data+length);
 	delete [] data;
 	return ret;
 }
diff --git a/hch/CLodHandler.h b/hch/CLodHandler.h
index cb82c2cef..f885e5a8f 100644
--- a/hch/CLodHandler.h
+++ b/hch/CLodHandler.h
@@ -70,7 +70,6 @@ public:
 
 	CLodHandler();
 	~CLodHandler();
-	int infs(unsigned char * in, int size, int realSize, std::ofstream & out, int wBits=15); //zlib fast handler
 	int infs2(unsigned char * in, int size, int realSize, unsigned char*& out, int wBits=15); //zlib fast handler
 	unsigned char * giveFile(std::string defName, int * length=NULL); //returns pointer to the decompressed data - it must be deleted when no longer needed!
 	std::string getTextFile(std::string name); //extracts one file