[C++] DosBox Mechwarrior 2 starter

#include <iostream>
#include <windows.h>
#include <fstream>
#include <conio.h>
#include <stdio.h>
#include <direct.h>
#include <string>
#include "computercraft.h"
#define GetCurrentDir _getcwd
#include <sstream>

Term *term = new Term;
Color *colors = new Color;
Paintutils *paintutils = new Paintutils();
using namespace std;


bool writeToConf(string file,string cont)
{
   FILE *oFile;
   oFile = fopen((char*) &file[0],"w");
   if(oFile!=NULL)
   {
       fputs("[sdl] \n",oFile);
       fputs((char*) &cont[0],oFile);
       fclose(oFile);
       return 1;
   }
   return 0;
}

string getConf(string file,int line)
{
    ifstream input( (char*) &file[0] );
    string online;
    int next = 0;

    while( getline( input, online ) ) {
        if(next == line-1) return online;
        next ++;
    }
   return "fail";
}


string getWorkingDir(string addto)
{
    char cCurrentPath[FILENAME_MAX];
        if (!GetCurrentDir(cCurrentPath, sizeof(cCurrentPath)))
        {
            return "No path";
        }
    cCurrentPath[sizeof(cCurrentPath) - 1] = '\0'; /* not really required */
    return string("\"") + cCurrentPath + "\\" + addto + string("\"");
}

string getWorkingDir_NoFormat()
{
       char cCurrentPath[FILENAME_MAX];
        if (!GetCurrentDir(cCurrentPath, sizeof(cCurrentPath)))
        {
            return "No path";
        }
    cCurrentPath[sizeof(cCurrentPath) - 1] = '\0'; /* not really required */
    return cCurrentPath;
}

string getWorkingDirSkipPer(string addto)
{
    char cCurrentPath[FILENAME_MAX];
        if (!GetCurrentDir(cCurrentPath, sizeof(cCurrentPath)))
        {
            return "No path";
        }
    cCurrentPath[sizeof(cCurrentPath) - 1] = '\0'; /* not really required */
    return string(cCurrentPath) + "/" + addto + string("\"");
}


bool startdos(string args)
{
    string fullpath = "Core/DOSbox.exe " + args;
    WinExec((char*) &fullpath[0],SW_NORMAL);
}

int opts(int num)
{
    bool waiting = true;
    int input = 0;
    while (waiting)
    {
            getch();
            if(GetAsyncKeyState('1'))
            {
                waiting = false;
                input = 1;
                break;
            }
            else if(GetAsyncKeyState('2') && num > 1)
            {
                waiting = false;
                input = 2;
                break;
            }
            else if(GetAsyncKeyState('3') &&  num > 2)
            {
                waiting = false;
                input = 3;
                break;
            }
            else if(GetAsyncKeyState('4') && num > 3)
            {
                waiting = false;
                input = 4;
                break;
            }
    }

    return input;

}

bool yesno()
{
    cout << "Y/n ?" << endl;
    bool waiting = true;
    bool yes = false;
    while (waiting)
    {
            getch();
            if(GetAsyncKeyState('Y') || GetAsyncKeyState('y'))
            {
                waiting = false;
                yes = true;
                break;
            }
            else if(GetAsyncKeyState('N') || GetAsyncKeyState('n'))
            {
                waiting = false;
                break;
            }
    }

    return yes;

}

/*
    -c MOUNT C getWorkingDir()\Games\MS-DOS
    -c C:
    -c CD SOFTWARE
    -c imgmount E MECHWA~3.CUE -t iso
    -c imgmount F MERCEN~2.CUE -t iso
    -c CD /
    -c CD MECHTR~1/INVERT~1/INVERTED
    -c CTMOUSEY.EXE
    -c CD /
    -c CD MECHTR~1/MW2-31ST
    -c MECH2.exe

*/

string mechsupports[1] = {"MW2-31st"};

bool drawScreen()
{
    term->setBackgroundColor(colors->black);
    term->Clear();
    term->setBackgroundColor(colors->blue);
    term->setTextColor(colors->white);
    paintutils->drawBoxFilled(30,5,80,25,colors->gray,colors->gray);
    paintutils->drawBoxFilled(30,5,80,5,colors->blue,colors->blue);
    term->setCursorPos(30,5);
    cout << "Welcome to Mech2Dos!" << endl;
    term->setCursorPos(32,8);
    term->setBackgroundColor(colors->gray);
    term->setTextColor(colors->black);
    cout << "Current supported Mechwarrior version(s)" << endl;
    term->setCursorPos(32,10);
    cout << "1. " << mechsupports[0];
    term->setCursorPos(30,13);
    cout << "  Options [1-3] " << endl;
    term->setCursorPos(35,14);
    cout << "1. Configure mouse sensitivity - [" << getConf(getWorkingDir_NoFormat() + "\\Core\\custom_sens.txt",2).substr(12) << "]" << endl;
    term->setCursorPos(35,15);
    cout << "2. Start game. " << endl;
    term->setCursorPos(35,16);
    cout << "3. Exit. " << endl;
    term->setCursorBlink(false);
    term->setCursorPos(33,25);
    term->setTextColor(colors->lightGray);
    cout << "Programmed by - Lewisk3 (Redxone, AKA Lewrish). ";
}


bool popupmessage(string title, string message)
{
    term->setBackgroundColor(colors->gray);
    term->setTextColor(colors->white);
    paintutils->drawBoxFilled(42,11,72,17,colors->black,colors->black);
    paintutils->drawBoxFilled(40,11,70,16,colors->lightGray,colors->lightGray);
    paintutils->drawBoxFilled(40,11,70,11,colors->blue,colors->blue);
    term->setCursorPos(40,11);
    cout << "Message: " << title;
    term->setCursorPos(40,13);
    term->setBackgroundColor(colors->lightGray);
    term->setTextColor(colors->black);
    cout << message << endl;
    term->setTextColor(colors->gray);
    term->setCursorPos(40,16);
    cout << "Press any key. ";
    getch();
    return 1;
}

double getinput(string title)
{
    double val;
    term->setBackgroundColor(colors->gray);
    term->setTextColor(colors->white);
    paintutils->drawBoxFilled(42,11,72,17,colors->black,colors->black);
    paintutils->drawBoxFilled(40,11,70,16,colors->lightGray,colors->lightGray);
    paintutils->drawBoxFilled(40,11,70,11,colors->blue,colors->blue);
    term->setCursorPos(40,11);
    cout << title;
    term->setCursorPos(40,13);
    term->setBackgroundColor(colors->lightGray);
    term->setTextColor(colors->black);
    cout << "Enter numeric value here below ";
    term->setCursorPos(42,15);
    term->setBackgroundColor(colors->gray);
    cout << "                           ";
    term->setTextColor(colors->white);
    term->setCursorPos(42,15);
    cin >> val;
    return val;
}
bool getopts()
{
    switch(opts(3))
    {
        case 1:
        {


            double sens = getinput("Mouse sensitivity");

            if(sens != NULL && sens > 0)
            {
                std::stringstream sstm;
                sstm << "sensitivity=" << sens;
                string stringsens = sstm.str();
                writeToConf(getWorkingDir_NoFormat() + "\\Core\\custom_sens.txt", stringsens);
                popupmessage("Success","Added: " + stringsens);
                drawScreen();
                return getopts();
            }
            else
            {
                drawScreen();
                return getopts();
            }
        }
        break;
        case 2:
        {
            term->setCursorPos(32,18);
            term->setTextColor(colors->black);
             cout << "Start Mechwarrior, MW2_31ST? : ";

            if(yesno())
            {
                cout << "Getting DosBox ready..." << endl;
                string fullargs = "-conf " + getWorkingDir("Core/Default_Config.txt") + " -conf " + getWorkingDir("Core/custom_sens.txt") +
                    " -c \"MOUNT C " + getWorkingDirSkipPer("/Games/MS-DOS") +
                    " -c C: " + " -c \"CD SOFTWARE\" -c \"imgmount E MECHWA~3.CUE -t iso\" -c \"imgmount F MERCEN~2.CUE -t iso\" -c \"CD /\" -c \"CD MECHTR~1/MW2-31ST\" -c MECH2.exe";
                startdos(fullargs);
                return 1;
            }
            else
            {
                drawScreen();
                return getopts();
            }
        }
        break;
        case 3:
            return 0;
        break;

        default:
            popupmessage("Invalid","Invalid selection.");
            drawScreen();
            return getopts();
        break;
    }

}

int main()
{
    paintutils->initialize(term);
    drawScreen();
    if(!getopts()){
        term->setBackgroundColor(colors->black);
        term->setTextColor(colors->white);
        term->Clear();
        popupmessage("Thank you.","Thank you for using Mech2Dos!");
        return 0;
    };

    cout << "Program has not exited properly, this could be an issue." << endl << "Please contact program developer Lewisk3 (on youtube)" << endl << "Thank you. ";

}