private void LoadSetChatTextOpcode()
{
//Allocate memory for the opcode to call the setChatText function
_setChatTextOpcodeAddress = MemFunctions.AllocateMemory(_client.Handle, _setChatTextOpcode.Length);
//Write the opcode to memory
MemFunctions.MemWriteBytes(_client.Handle, _setChatTextOpcodeAddress, _setChatTextOpcode);
// @TODO: Get the 0x44 with regex? (CALL DWORD PTR DS:[EAX+44])
}
private void LoadSendChatOpcode()
{
//Allocate memory for the opcode to call the sendChat function
_sendChatOpcodeAddress = MemFunctions.AllocateMemory(_client.Handle, _sendChatOpcode.Length);
//Write the opcode to memory
MemFunctions.MemWriteBytes(_client.Handle, _sendChatOpcodeAddress, _sendChatOpcode);
//Calculate relative call address of sendChat()
uint relAddress = SendChatCall - (uint)_sendChatOpcodeAddress - 12 - (uint)(_sendChatOpcode.Length / 2);
//Insert the functionAddress in opcode
byte[] functionAddress = BitConverter.GetBytes(relAddress);
MemFunctions.MemWriteBytes(_client.Handle, _sendChatOpcodeAddress + 22, functionAddress);
uint chatClassPtr = MemFunctions.ResolveNestedPointer(_client.Handle, BaseCall, 0x1C, 0x18, 0x8, 0xC4, 0x20, 0);
byte[] chatClassPtrBytes = BitConverter.GetBytes(chatClassPtr);
MemFunctions.MemWriteBytes(_client.Handle, _sendChatOpcodeAddress + 13, chatClassPtrBytes);
}
// Just updates the variable information in the opcode without reallocating the whole opcode
// to another memory location
private void UpdateSetChatTextOpcode(string str)
{
Encoding unicode = Encoding.Unicode;
byte[] unicodeBytes = unicode.GetBytes(str);
//Allocate memory for the chat message
int chatMsgAddress = MemFunctions.AllocateMemory(_client.Handle, unicodeBytes.Length);
// Write the message to memory
MemFunctions.MemWriteBytes(_client.Handle, chatMsgAddress, unicodeBytes);
// Write the address of the string pointer
byte[] stringAddr = BitConverter.GetBytes(chatMsgAddress);
MemFunctions.MemWriteBytes(_client.Handle, _setChatTextOpcodeAddress + 2, stringAddr);
// Get the pointer to the chat input box object
uint chatBoxObjPtr = MemFunctions.ResolveNestedPointer(_client.Handle, BaseCall, 0x1C, 0x18, 0x8, 0xC4, 0x20, 0x1C4, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x08, 0);
byte[] chatBoxObjPtrBytes = BitConverter.GetBytes(chatBoxObjPtr);
MemFunctions.MemWriteBytes(_client.Handle, _setChatTextOpcodeAddress + 7, chatBoxObjPtrBytes);
}
private int LoadAppendCharOpcode()
{
//Allocate memory for the opcode to call the sendChat function
_appendCharOpcodeAddress = MemFunctions.AllocateMemory(_client.Handle, _appendCharOpcode.Length);
//Write the opcode to memory
MemFunctions.MemWriteBytes(_client.Handle, _appendCharOpcodeAddress, _appendCharOpcode);
//Calculate relative call address of chatBoxKeyHandler()
uint relAddress = ChatBoxKeyHandlerCall - (uint)_appendCharOpcodeAddress - 9 - (uint)(_appendCharOpcode.Length / 2);
//Insert the functionAddress in opcode
byte[] functionAddress = BitConverter.GetBytes(relAddress);
MemFunctions.MemWriteBytes(_client.Handle, _appendCharOpcodeAddress + 15, functionAddress);
// Get and load the pointer to the chat system class
uint chatEntryBoxObjPtr = MemFunctions.ResolveNestedPointer(_client.Handle, BaseCall, 0x1C, 0x18, 0x8, 0xC4, 0x20, 0x1C4, 0xC, 0xC, 0xC, 0xC, 0xC, 0xC, 0xC, 0xC, 0x8, 0);
byte[] chatEntryBoxObjPtrBytes = BitConverter.GetBytes(chatEntryBoxObjPtr);
MemFunctions.MemWriteBytes(_client.Handle, _appendCharOpcodeAddress + 8, chatEntryBoxObjPtrBytes);
return(_appendCharOpcodeAddress);
}
