Character/String Searching for a Bot

Seraphis · #1 27-Jun-2008, 02:51

The general idea for this program is that it's a bot, which grabs text from a chat window (a rich text field) scans through it for commands, and sends text back to the chat.

Here's the code, will explain below.

CPP / C++ / C Code:

#include <iostream>
using namespace std;

#include <conio.h>
#include <stdio.h>
#include <string.h>
#include <cstring>
#include <windows.h>

void stn(LPCTSTR text, HWND hwnd)
{
	for (int x=0;x<=lstrlen(text);x++)
	{
		SendMessage(hwnd, WM_CHAR, text[x], NULL);
	}
	SendMessage(hwnd, WM_IME_KEYDOWN, VK_RETURN, NULL);
}

int main ()
{
	HWND hwndchat, hwndedit;

	hwndchat = FindWindow("#32770", "Chat");
	hwndedit = FindWindowEx(hwndchat, NULL, "RichEdit20A", NULL);

	if (!hwndchat)
	{
		cout << "ERROR 101" << endl;
	}

	if (!hwndedit)
	{
		cout << "ERROR 102" << endl;
	}
	

	char buf[1000];
	SendMessage(hwndedit, WM_GETTEXT, 999, (LPARAM)buf);
	buf[999] = 0;

	while (true)
	{
		Sleep(1000);
		
		char newbuf[1000];
		SendMessage(hwndedit, WM_GETTEXT, 999, (LPARAM)newbuf);
		newbuf[999] = 0;

		if (strcmp(buf, newbuf) != 0)
		{
			cout << "Updated\n";
			SendMessage(hwndedit, WM_GETTEXT, 999, (LPARAM)buf);
			buf[999] = 0;		
		}
	}

	_getch();

	return 0;
}

Essentially... The program looks for the window and the rich text field and passes them to their handles...

It then grabs the initial text currently in the chat field and places it into the buffer "buf"

Then, the application loop begins and it checks to see if the text inside the chat field has changed from the text in the "buf" buffer... If so, then it would search for a command. If buf and newbuff are the same, it will wait until the chat has been updated to check again for a command.

Now here's my issue... If I were to use strstr(str1,str2) and search for the term "admins" in the buffer, it would find it every time the screen updates from previous times the command has been used... causing it to spam.

So here's an example situation of what I want to do.

EXAMPLE:

The chat room has the following text in it when the bot is loaded up:

Code:

John: Blah blah
Mark: Blah
Chris: blah blah BLAH!
John: blah?

This is, at the start of the bot, loaded into the buffer "buf" and then the application loop begins.

The application loop grabs the text from the chat and puts it into the buffer "newbuf" after sleeping 1000 m/s

The bot then determines that there has been no new chat activity due to its comparison of "newbuf" and "buf" returning null. The loop goes on...

Somebody types into the chat and the chatroom now looks like:

Code:

John: Blah blah
Mark: Blah
Chris: blah blah BLAH!
John: blah?
Tod: Huh?

My goal is to fill into a third buffer, the text that wasn't present in "buf" when the comparison between "buf" and "newbuf" returns a value... In other words grab "Tod: Huh?" and put it into a buffer so I can check it for commands.

Ideas?

Right now all it does is say Updated in the console whenever somebody enters new text into the chat.

Seraphis · #2 27-Jun-2008, 11:36

I cant belive I couldn't figure this out, must've been because I wrote that at 5 am... Figured it out... heres my code for reference purposes.

CPP / C++ / C Code:

#include <iostream>
using namespace std;

#include <conio.h>
#include <stdio.h>
#include <string.h>
#include <cstring>
#include <windows.h>

void stn(LPCTSTR text, HWND hwnd)
{
	for (int x=0;x<=lstrlen(text);x++)
	{
		SendMessage(hwnd, WM_CHAR, text[x], NULL);
	}
	SendMessage(hwnd, WM_IME_KEYDOWN, VK_RETURN, NULL);
}

int main ()
{
	HWND hwndchat, hwndedit;

	hwndchat = FindWindow("#32770", "Chat");
	hwndedit = FindWindowEx(hwndchat, NULL, "RichEdit20A", NULL);

	if (!hwndchat)
	{
		cout << "ERROR 101" << endl;
	}

	if (!hwndedit)
	{
		cout << "ERROR 102" << endl;
	}
	

	char buf[1000];
	SendMessage(hwndedit, WM_GETTEXT, 999, (LPARAM)buf);
	buf[999] = 0;

	while (true)
	{
		Sleep(1000);
		
		char newbuf[1000];
		SendMessage(hwndedit, WM_GETTEXT, 999, (LPARAM)newbuf);
		newbuf[999] = 0;

		if (strcmp(buf, newbuf) != 0)
		{
			char clipbuf[100];

			for (int x=0, i=0;x<=sizeof(newbuf);x++)
			{
				if (buf[x] != newbuf[x])
				{
					clipbuf[i] = newbuf[x];
					i++;
				}
			}

			cout << clipbuf << "\n";
			SendMessage(hwndedit, WM_GETTEXT, 999, (LPARAM)buf);
			buf[999] = 0;
		}
	}

	_getch();

	return 0;
}

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Character/String Searching for a Bot

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