new protocol system fixes

src/framework/luafunctions.cpp

@@ -430,9 +430,14 @@ void Application::registerLuaFunctions()
     g_lua.bindClassMemberFunction<InputMessage>("getU32", &InputMessage::getU32);
     g_lua.bindClassMemberFunction<InputMessage>("getU64", &InputMessage::getU64);
     g_lua.bindClassMemberFunction<InputMessage>("getString", &InputMessage::getString);
+    g_lua.bindClassMemberFunction<InputMessage>("peekU8", &InputMessage::peekU8);
+    g_lua.bindClassMemberFunction<InputMessage>("peekU16", &InputMessage::peekU16);
+    g_lua.bindClassMemberFunction<InputMessage>("peekU32", &InputMessage::peekU32);
+    g_lua.bindClassMemberFunction<InputMessage>("peekU64", &InputMessage::peekU64);
     g_lua.bindClassMemberFunction<InputMessage>("decryptRSA", &InputMessage::decryptRSA);
     g_lua.bindClassMemberFunction<InputMessage>("getReadSize", &InputMessage::getReadSize);
     g_lua.bindClassMemberFunction<InputMessage>("getUnreadSize", &InputMessage::getUnreadSize);
+    g_lua.bindClassMemberFunction<InputMessage>("getMessageSize", &InputMessage::getMessageSize);
     g_lua.bindClassMemberFunction<InputMessage>("eof", &InputMessage::eof);
 
     // OutputMessage
@@ -447,6 +452,7 @@ void Application::registerLuaFunctions()
     g_lua.bindClassMemberFunction<OutputMessage>("addString", &OutputMessage::addString);
     g_lua.bindClassMemberFunction<OutputMessage>("addPaddingBytes", &OutputMessage::addPaddingBytes);
     g_lua.bindClassMemberFunction<OutputMessage>("encryptRSA", &OutputMessage::encryptRSA);
+    g_lua.bindClassMemberFunction<OutputMessage>("getMessageSize", &OutputMessage::getMessageSize);
 
     // Application
     g_lua.registerStaticClass("g_app");

src/framework/net/inputmessage.cpp

@@ -30,6 +30,7 @@ InputMessage::InputMessage()
 
 void InputMessage::reset()
 {
+    m_messageSize = 0;
     m_readPos = MAX_HEADER_SIZE;
     m_headerPos = MAX_HEADER_SIZE;
 }
@@ -42,47 +43,35 @@ void InputMessage::setBuffer(const std::string& buffer)
     m_messageSize = buffer.size();
 }
 
-uint8 InputMessage::getU8(bool peek)
+uint8 InputMessage::getU8()
 {
     checkRead(1);
     uint8 v = m_buffer[m_readPos];
-
-    if(!peek)
-        m_readPos += 1;
-
+    m_readPos += 1;
     return v;
 }
 
-uint16 InputMessage::getU16(bool peek)
+uint16 InputMessage::getU16()
 {
     checkRead(2);
     uint16 v = Fw::readLE16(m_buffer + m_readPos);
-
-    if(!peek)
-        m_readPos += 2;
-
+    m_readPos += 2;
     return v;
 }
 
-uint32 InputMessage::getU32(bool peek)
+uint32 InputMessage::getU32()
 {
     checkRead(4);
     uint32 v = Fw::readLE32(m_buffer + m_readPos);
-
-    if(!peek)
-        m_readPos += 4;
-
+    m_readPos += 4;
     return v;
 }
 
-uint64 InputMessage::getU64(bool peek)
+uint64 InputMessage::getU64()
 {
     checkRead(8);
     uint64 v = Fw::readLE64(m_buffer + m_readPos);
-
-    if(!peek)
-        m_readPos += 8;
-
+    m_readPos += 8;
     return v;
 }
 

src/framework/net/inputmessage.h

@@ -40,16 +40,22 @@ public:
     void setBuffer(const std::string& buffer);
 
     void skipBytes(uint16 bytes) { m_readPos += bytes; }
-    uint8 getU8(bool peek = false);
-    uint16 getU16(bool peek = false);
-    uint32 getU32(bool peek = false);
-    uint64 getU64(bool peek = false);
+    uint8 getU8();
+    uint16 getU16();
+    uint32 getU32();
+    uint64 getU64();
     std::string getString();
 
+    uint8 peekU8() { uint8 v = getU8(); m_readPos-=1; return v; }
+    uint16 peekU16() { uint16 v = getU16(); m_readPos-=2; return v; }
+    uint32 peekU32() { uint32 v = getU32(); m_readPos-=4; return v; }
+    uint64 peekU64() { uint64 v = getU64(); m_readPos-=8; return v; }
+
     void decryptRSA(int size, const std::string& p, const std::string& q, const std::string& d);
 
     int getReadSize() { return m_readPos - m_headerPos; }
     int getUnreadSize() { return m_messageSize - (m_readPos - m_headerPos); }
+    uint16 getMessageSize() { return m_messageSize; }
 
     bool eof() { return (m_readPos - m_headerPos) >= m_messageSize; }
 
@@ -64,7 +70,6 @@ protected:
     uint8* getHeaderBuffer() { return m_buffer + m_headerPos; }
     uint8* getDataBuffer() { return m_buffer + MAX_HEADER_SIZE; }
     uint16 getHeaderSize() { return (MAX_HEADER_SIZE - m_headerPos); }
-    uint16 getMessageSize() { return m_messageSize; }
 
     uint16 readSize() { return getU16(); }
     bool readChecksum();

src/framework/net/outputmessage.h

@@ -51,11 +51,12 @@ public:
 
     void encryptRSA(int size, const std::string& key);
 
+    uint16 getMessageSize() { return m_messageSize; }
+
 protected:
     uint8* getWriteBuffer() { return m_buffer + m_writePos; }
     uint8* getHeaderBuffer() { return m_buffer + m_headerPos; }
     uint8* getDataBuffer() { return m_buffer + MAX_HEADER_SIZE; }
-    uint16 getMessageSize() { return m_messageSize; }
 
     void writeChecksum();
     void writeMessageSize();

src/otclient/luafunctions.cpp

@@ -177,7 +177,7 @@ void OTClient::registerLuaFunctions()
     g_lua.registerClass<ProtocolGame, Protocol>();
     g_lua.bindClassStaticFunction<ProtocolGame>("create", []{ return ProtocolGamePtr(new ProtocolGame); });
     g_lua.bindClassMemberFunction<ProtocolGame>("login", &ProtocolGame::login);
-    g_lua.bindClassMemberFunction<ProtocolGame>("send", &ProtocolGame::send);
+    g_lua.bindClassMemberFunction<ProtocolGame>("safeSend", &ProtocolGame::safeSend);
     g_lua.bindClassMemberFunction<ProtocolGame>("sendExtendedOpcode", &ProtocolGame::sendExtendedOpcode);
     g_lua.bindClassMemberFunction<ProtocolGame>("addPosition", &ProtocolGame::addPosition);
     g_lua.bindClassMemberFunction<ProtocolGame>("setMapDescription", &ProtocolGame::setMapDescription);

src/otclient/net/protocolgame.h

@@ -32,7 +32,7 @@ class ProtocolGame : public Protocol
 {
 public:
     void login(const std::string& accountName, const std::string& accountPassword, const std::string& host, uint16 port, const std::string& characterName);
-    void send(const OutputMessagePtr& outputMessage);
+    void safeSend(const OutputMessagePtr& outputMessage);
     void sendExtendedOpcode(uint8 opcode, const std::string& buffer);
 
 protected:

src/otclient/net/protocolgameparse.cpp

@@ -431,7 +431,7 @@ void ProtocolGame::parseMapMoveWest(const InputMessagePtr& msg)
 void ProtocolGame::parseUpdateTile(const InputMessagePtr& msg)
 {
     Position tilePos = getPosition(msg);
-    int thingId = msg->getU16(true);
+    int thingId = msg->peekU16();
     if(thingId == 0xFF01) {
         msg->getU16();
     } else {
@@ -1249,7 +1249,7 @@ int ProtocolGame::setFloorDescription(const InputMessagePtr& msg, int x, int y,
             g_map.cleanTile(tilePos);
 
             if(skip == 0) {
-                int tileOpt = msg->getU16(true);
+                int tileOpt = msg->peekU16();
                 if(tileOpt >= 0xFF00)
                     skip = (msg->getU16() & 0xFF);
                 else {
@@ -1274,7 +1274,7 @@ void ProtocolGame::setTileDescription(const InputMessagePtr& msg, Position posit
 
     int stackPos = 0;
     while(true) {
-        int inspectItemId = msg->getU16(true);
+        int inspectItemId = msg->peekU16();
         if(inspectItemId >= 0xFF00) {
             return;
         }

src/otclient/net/protocolgamesend.cpp

@@ -23,7 +23,7 @@
 #include "protocolgame.h"
 #include <otclient/core/game.h>
 
-void ProtocolGame::send(const OutputMessagePtr& outputMessage)
+void ProtocolGame::safeSend(const OutputMessagePtr& outputMessage)
 {
     // avoid usage of automated sends (bot modules)
     if(!g_game.checkBotProtection())
@@ -37,7 +37,7 @@ void ProtocolGame::sendExtendedOpcode(uint8 opcode, const std::string& buffer)
     msg->addU8(Proto::ClientExtendedOpcode);
     msg->addU8(opcode);
     msg->addString(buffer);
-    send(msg);
+    safeSend(msg);
 }
 
 void ProtocolGame::sendLoginPacket(uint challangeTimestamp, uint8 challangeRandom)