JewelBot/Win32Handler.cpp at master · alexlegg/JewelBot · GitHub

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#include <Windows.h>
#include <sstream>
#include <iostream>
#include "Win32Handler.h"

using namespace std;

bool Win32Handler::init(const char* windowname)
{
	hDC = GetDC(NULL);
	gamewindow = FindWindow(NULL, windowname);

	if (gamewindow == NULL || hDC == NULL)
	{
		msgbox("Couldn't get game window. Try opening it?");
		return false;
	} else {
		SetForegroundWindow(gamewindow);
		wait(50); //Let windows catch up a bit
		return true;
	}
}

void Win32Handler::msgbox(string msg, int value)
{
	if (value == 0)
	{
		MessageBox(NULL, msg.c_str(), "JewelBot", MB_OK);
	} else {
		stringstream str;
		str << " = " << value;
		msg.append(str.str());
		MessageBox(NULL, msg.c_str(), "Output", MB_OK);
	}
}

int Win32Handler::getgem(int x, int y)
{
	int col = getcolour(x, y);
	if (col == -1) return -1;

	int c = 0;
	int mindiff = abs(col - gemcolours[0]);
	for (int i = 1; i != gemtypes; ++i)
	{
		if (abs(col - gemcolours[i]) < mindiff)
		{
			mindiff = abs(col - gemcolours[i]);
			c = i;
		}
	}

	if (mindiff > 100) //Yay magic numbers!
	{
		return -1;
	} else {
		return c;
	}
}

int Win32Handler::getcolour(int x, int y)
{
	int col = GetPixel(hDC, x, y);

	if (col == CLR_INVALID)
	{
		msgbox("colour invalid");
		return -1;
	}
	return col;
}

void Win32Handler::movecursor(int x, int y)
{
	SetCursorPos(x, y);
}

void Win32Handler::click(int x, int y)
{
	movecursor(x, y);
	mouse_event(MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0);
	mouse_event(MOUSEEVENTF_LEFTUP, 0, 0, 0, 0);
}

void Win32Handler::wait(int ms)
{
	Sleep(ms);
}

int Win32Handler::gettime()
{
	SYSTEMTIME st;
	GetSystemTime(&st);
    return st.wSecond;
}