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Level Up Problem

Novak (2)
Hi, I'm new to programming and have been following some tutorials on youtube. After doing the first few, I thought I'd put my knowledge to the test to see if I'd been learning what I was watching. I have decided to put together a little crafting game using very...very little knowledge. (Mainly just loops and functions, so bear that in mind when answering)

I have the harvesting and refining of the wood done, along with a sleep function so that the player can't harvest wood as fast as they can click. (I sped it up for testing purposes)

I have also got it adding to my total woodcutting xp counter and my "xp to level" counter. However, I can't seem to make it level me up once the "xp to level" counter reaches/dips below zero. I've tried a few things already, although I just can't get it working. Any help would be much appreciated, along with any improvements. (I know I could use cases instead of "if loops" for the menu's, but I like the look of "if loops"...There is also a small bug if you try to refine 0 wood, although I can fix that myself.)

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#include <iostream>
#include <cmath>
#include <windows.h>
using namespace std;
void inventoryCheck();
void gatherWood();
void refineWood(int);
void craftMenu();
void skillMenu();

//Skills
int woodcuttingLevel = 1;
int woodcuttingEXPtoLevel = 40 * woodcuttingLevel;
int woodcuttingEXPgained = 0;
int woodcuttingEXPtotal = 0;
int logXP = 10;

//Wood Resources
int totalWood = 0;
int totalRefinedWood = 0;
int gatherWoodNumber = 5;

int main()
{
    int menuItem;
    int quitGame = 0;
    while(quitGame == 0)
    {
        cout << endl << "[1] Check Inventory" << endl;
        cout << "[2] Craft Menu" << endl;
        cout << "[3] Skill Menu" << endl;
        cout << "[4] Quit Game" << endl;
        cin >> menuItem;

        if(menuItem == 1)
        {
            inventoryCheck();
        }
        if(menuItem == 2)
        {
            craftMenu();
        }
        if(menuItem == 3)
        {
            skillMenu();
        }
        if(menuItem == 4)
        {
            quitGame = 1;
        }
    }
}

void skillMenu()
{
    cout << endl;
    cout << "Your level in Woodcutting is: " << woodcuttingLevel <<endl;
    cout << "You have: " << woodcuttingEXPtotal << " xp." << endl;
    cout << "You need: " << woodcuttingEXPtoLevel - woodcuttingEXPgained << " xp to level up." << endl;
}

void craftMenu()
{
    int craftMenuItem;
    int craftMenuToMainMenu = 0;
    while (craftMenuToMainMenu == 0)
    {
        cout << "[1] Gather Wood" << endl;
        cout << "[2] Refine Wood" << endl;
        cout << "[3] Back to Main Menu" << endl;
        cin >> craftMenuItem;

        if(craftMenuItem == 1)
        {
            gatherWood();
        }
        if(craftMenuItem == 2)
        {
            refineWood(totalWood);
        }
        if(craftMenuItem == 3)
        {
            craftMenuToMainMenu = 1;
        }
    }
}

void inventoryCheck()
{
    cout << endl;
    if(totalWood > 0)
    {
    cout << "You have: " << totalWood << " Wood." << endl;
    }
    if(totalRefinedWood > 0)
    {
    cout << "You have: " << totalRefinedWood << " Refined wood." << endl;
    }
    if(totalWood == 0 && totalRefinedWood == 0)
    {
    cout << "You have nothing in your inventory." << endl;
    }
}

void gatherWood()
{
    int backToMenu = 0;
    int choiceGatherWood;
    while (backToMenu == 0)
    {
        cout << endl << "Gathering Wood...3";
        Sleep(100);
        cout << endl << "Gathering Wood...2";
        Sleep(100);
        cout << endl << "Gathering Wood...1";
        Sleep(100);
        cout << endl << "You gathered: " << gatherWoodNumber << " wood!" << endl;
        cout << endl << "You gained " << logXP << " woodcutting xp!" << endl;
        woodcuttingEXPtotal += logXP;
        woodcuttingEXPgained += logXP;
        totalWood += gatherWoodNumber;
        cout << endl << "Would you like to gather more wood?" << endl;
        cout << "[1] Yes \n[2] No \n";
        cin >> choiceGatherWood;
        if (choiceGatherWood == 1)
        {
            backToMenu = 0;
        }
        else
        {
            backToMenu = 1;
        }
    }
}

void refineWood(int x)
{
    int refineAmount;
    int refineMoreWood = 1;
    while(refineMoreWood == 1)
    {
    cout << endl << "You have: " << totalWood << " wood."<< endl;
    cout << "How much wood would you like to refine?" << endl;
    cin >> refineAmount;
    int refineTime = refineAmount * 100;
        if(refineAmount <= totalWood)
        {
            totalRefinedWood += refineAmount;
            totalWood -= refineAmount;
            cout << "Refining Wood..." << endl;
            Sleep(refineTime);
            refineMoreWood = 0;
        }
        else
        {
            cout << "You do not have enough wood, please enter a lower number." << endl;
        }
    }
}
cire (8284)
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void gainEXP(int amount)
{
	woodcuttingEXPtotal += amount ;
	woodcuttingEXPgained += amount ;

	if ( woodcuttingEXPgained > woodcuttingEXPtoLevel )
	{
		++woodcuttingLevel ;
		woodcuttingEXPgained = woodcuttingEXPgained - woodcuttingEXPtoLevel;
		woodcuttingEXPtoLevel = 40* woodcuttingLevel ;
	}
}


Then, in places where you gain experience, such as in line 119 - 120 you replace those lines with a call to gainEXP(logXP).
Novak (2)
Thanks cire. Easily solved my problem without over complicating things :)
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