[Cleanup] Remove unused code in eq_packet.cpp/eq_packet.h (#3183)

# Notes
- These are unused.

common/eq_packet.cpp

@@ -236,26 +236,6 @@ uint32 EQApplicationPacket::serialize(uint16 opcode, unsigned char *dest) const
 	return size+OpCodeBytes;
 }
 
-/*EQProtocolPacket::EQProtocolPacket(uint16 op, const unsigned char *buf, uint32 len)
-:	BasePacket(buf, len),
-	opcode(op)
-{
-
-uint32 offset;
-	opcode=ntohs(*(const uint16 *)buf);
-	offset=2;
-
-	if (len-offset) {
-		pBuffer= new unsigned char[len-offset];
-		memcpy(pBuffer,buf+offset,len-offset);
-		size=len-offset;
-	} else {
-		pBuffer=nullptr;
-		size=0;
-	}
-	OpMgr=&RawOpcodeManager;
-}*/
-
 bool EQProtocolPacket::combine(const EQProtocolPacket *rhs)
 {
 bool result=false;
@@ -287,74 +267,6 @@ bool result=false;
 
 }
 
-/*
-this is the code to do app-layer combining, instead of protocol layer.
-this was taken out due to complex interactions with the opcode manager,
-and will require a bit more thinking (likely moving into EQStream) to
-get running again... but might be a good thing some day.
-
-bool EQApplicationPacket::combine(const EQApplicationPacket *rhs)
-{
-uint32 newsize=0, offset=0;
-unsigned char *tmpbuffer=nullptr;
-
-	if (opcode!=OP_AppCombined) {
-		newsize=app_opcode_size+size+(size>254?3:1)+app_opcode_size+rhs->size+(rhs->size>254?3:1);
-		tmpbuffer=new unsigned char [newsize];
-		offset=0;
-		if (size>254) {
-			tmpbuffer[offset++]=0xff;
-			*(uint16 *)(tmpbuffer+offset)=htons(size);
-			offset+=1;
-		} else {
-			tmpbuffer[offset++]=size;
-		}
-		offset+=serialize(tmpbuffer+offset);
-	} else {
-		newsize=size+app_opcode_size+rhs->size+(rhs->size>254?3:1);
-		tmpbuffer=new unsigned char [newsize];
-		memcpy(tmpbuffer,pBuffer,size);
-		offset=size;
-	}
-
-	if (rhs->size>254) {
-		tmpbuffer[offset++]=0xff;
-		*(uint16 *)(tmpbuffer+offset)=htons(rhs->size);
-		offset+=1;
-	} else {
-		tmpbuffer[offset++]=rhs->size;
-	}
-	offset+=rhs->serialize(tmpbuffer+offset);
-
-	size=offset;
-	opcode=OP_AppCombined;
-
-	delete[] pBuffer;
-	pBuffer=tmpbuffer;
-
-	return true;
-}
-*/
-
-bool EQProtocolPacket::ValidateCRC(const unsigned char *buffer, int length, uint32 Key)
-{
-bool valid=false;
-	// OP_SessionRequest, OP_SessionResponse, OP_OutOfSession are not CRC'd
-	if (buffer[0]==0x00 && (buffer[1]==OP_SessionRequest || buffer[1]==OP_SessionResponse || buffer[1]==OP_OutOfSession)) {
-		valid=true;
-	} else {
-		uint16 comp_crc=CRC16(buffer,length-2,Key);
-		uint16 packet_crc=ntohs(*(const uint16 *)(buffer+length-2));
-#ifdef EQN_DEBUG
-		if (packet_crc && comp_crc != packet_crc) {
-			std::cout << "CRC mismatch: comp=" << std::hex << comp_crc << ", packet=" << packet_crc << std::dec << std::endl;
-		}
-#endif
-		valid = (!packet_crc || comp_crc == packet_crc);
-	}
-	return valid;
-}
-
 uint32 EQProtocolPacket::Decompress(const unsigned char *buffer, const uint32 length, unsigned char *newbuf, uint32 newbufsize)
 {
 uint32 newlen=0;
@@ -403,55 +315,6 @@ uint32 flag_offset=1,newlength;
 	return newlength;
 }
 
-void EQProtocolPacket::ChatDecode(unsigned char *buffer, int size, int DecodeKey)
-{
-	if ((size >= 2) && buffer[1]!=0x01 && buffer[0]!=0x02 && buffer[0]!=0x1d) {
-		int Key=DecodeKey;
-		unsigned char *test=(unsigned char *)malloc(size);
-		buffer+=2;
-		size-=2;
-
-		int i;
-		for (i = 0 ; i+4 <= size ; i+=4)
-		{
-			int pt = (*(int*)&buffer[i])^(Key);
-			Key = (*(int*)&buffer[i]);
-			*(int*)&test[i]=pt;
-		}
-		unsigned char KC=Key&0xFF;
-		for ( ; i < size ; i++)
-		{
-			test[i]=buffer[i]^KC;
-		}
-		memcpy(buffer,test,size);
-		free(test);
-	}
-}
-
-void EQProtocolPacket::ChatEncode(unsigned char *buffer, int size, int EncodeKey)
-{
-	if (buffer[1]!=0x01 && buffer[0]!=0x02 && buffer[0]!=0x1d) {
-		int Key=EncodeKey;
-		char *test=(char*)malloc(size);
-		int i;
-		buffer+=2;
-		size-=2;
-		for ( i = 0 ; i+4 <= size ; i+=4)
-		{
-			int pt = (*(int*)&buffer[i])^(Key);
-			Key = pt;
-			*(int*)&test[i]=pt;
-		}
-		unsigned char KC=Key&0xFF;
-		for ( ; i < size ; i++)
-		{
-			test[i]=buffer[i]^KC;
-		}
-		memcpy(buffer,test,size);
-		free(test);
-	}
-}
-
 EQApplicationPacket *EQApplicationPacket::Copy() const {
 	return(new EQApplicationPacket(*this));
 }

common/eq_packet.h

@@ -80,11 +80,8 @@ public:
 
 protected:
 
-	static bool ValidateCRC(const unsigned char *buffer, int length, uint32 Key);
 	static uint32 Decompress(const unsigned char *buffer, const uint32 length, unsigned char *newbuf, uint32 newbufsize);
 	static uint32 Compress(const unsigned char *buffer, const uint32 length, unsigned char *newbuf, uint32 newbufsize);
-	static void ChatDecode(unsigned char *buffer, int size, int DecodeKey);
-	static void ChatEncode(unsigned char *buffer, int size, int EncodeKey);
 
 	uint16 GetRawOpcode() const { return(opcode); }