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SFML Game Help

FighterCoder (75)
I would like to make a program that generates a random number between 1-10, gets the player to guess if the next number will be higher or lower.

My idea so far:
Fullscreen, start menu with a play button.
3 lives, displayed in the top left corner.
It will have 3 words down the bottom with Higher, Lower and Exit. The color of the word will change to red when selected.
The information and number will be displayed in the middle/top.
Gain 5 point for a right answer and -3 for wrong.
Highscore saved in a file and displayed in top right corner.

I have decided to code this in c++ and SFML, here is my code so far (question in the comments):

Stdafx.h
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// Graphics
#include <SFML\Graphics.hpp>

#include <iostream>
using namespace std;


main.cpp
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#include "Stdafx.h"
#include "Menu.h"

int main()
{
	sf::RenderWindow window(sf::VideoMode(200, 200), "Window", sf::Style::Fullscreen);
	window.setFramerateLimit(60);

	Menu menu(window.getSize().x, window.getSize().y);

	while (window.isOpen())
	{
		sf::Event event;

		while (window.pollEvent(event)) // Event handler
		{
			switch (event.type)
			{
			case sf::Event::KeyPressed:
				switch (event.key.code)
				{
				case sf::Keyboard::Left:
					menu.MoveLeft();
					break;

				case sf::Keyboard::Right:
					menu.MoveRight();
					break;

				case sf::Keyboard::Return:
					switch (menu.GetPressedItem())
					{
					case 0: // Play button
						// What do i put here to reset my screen so i can put my actual game on the screen?
						break;
					case 1: // Exit
						window.close();
						break;
					}
					break;
				}

				break;

			case sf::Event::Closed:
				window.close();

				break;
			}
		}

		window.clear(sf::Color(135, 206, 250)); // Light blue
		menu.draw(window); // Draw the menu
		window.display(); // Display
	}

	return 0;
}


Menu.h
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#pragma once

#define MAX_NUMBER_OF_ITEMS 2

class Menu
{
public:
	Menu(float width, float height);
	~Menu();

	void draw(sf::RenderWindow &window);
	void MoveLeft();
	void MoveRight();
	int GetPressedItem();

private:
	int selectedItemIndex;
	sf::Font font;
	sf::Text menu[MAX_NUMBER_OF_ITEMS];
};


Menu.cpp
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#include "Stdafx.h"
#include "Menu.h"


Menu::Menu(float width, float height)
{
	if (!font.loadFromFile("arial.ttf"))
	{
		cout << "Error can not load Font!" << endl;
	}

	menu[0].setFont(font);
	menu[0].setColor(sf::Color::Red);
	menu[0].setString("Play");
	menu[0].setPosition(sf::Vector2f(width / (MAX_NUMBER_OF_ITEMS + 1) * 1, height / 1.2));

	menu[1].setFont(font);
	menu[1].setColor(sf::Color::White);
	menu[1].setString("Exit");
	menu[1].setPosition(sf::Vector2f(width / (MAX_NUMBER_OF_ITEMS + 1) * 2, height / 1.2));

	selectedItemIndex = 0;
}

Menu::~Menu()
{

}

void Menu::draw(sf::RenderWindow &window)
{
	for (int i = 0; i < MAX_NUMBER_OF_ITEMS; i++)
	{
		window.draw(menu[i]);
	}
}

void Menu::MoveLeft()
{
	if (selectedItemIndex - 1 >= 0)
	{
		menu[selectedItemIndex].setColor(sf::Color::White);
		selectedItemIndex--;
		menu[selectedItemIndex].setColor(sf::Color::Red);
	}
}

void Menu::MoveRight()
{
	if (selectedItemIndex + 1 < MAX_NUMBER_OF_ITEMS)
	{
		menu[selectedItemIndex].setColor(sf::Color::White);
		selectedItemIndex++;
		menu[selectedItemIndex].setColor(sf::Color::Red);
	}
}

int Menu::GetPressedItem()
{
	return selectedItemIndex;
}


This is my first time using graphics properly so please explain as much as possible. Thanks in advance.

Edit: This is my game plan http://imgur.com/YXN1a6A
Last edited on
Yanson (885)
So you want to know how to switch between different screens?

read this
http://gamedevgeek.com/tutorials/managing-game-states-in-c/
heepoo (120)
you can implement a function in your menu class to clear the window, or use window.clear() to clear the window
then you can draw everything you want
Last edited on
FighterCoder (75)
So is that the way i would want to go, with those functions in my game loop?

Edit: I have installed SDL and been reading the link Yanson gave me, but now for no reason i get an exception thrown, i have debugged to limit it down to the loading of the font that is causing it:

First-chance exception at 0x57A88B51 (msvcr120d.dll) in Higher Or Lower.exe: 0xC0000005: Access violation reading location 0x74742E6C.

If there is a handler for this exception, the program may be safely continued.

Edit: My code compiles in Release mode but not Debug mode.
Last edited on
heepoo (120)
which line do you get that exception?
this exception is that you want to access a part of address of memory that windows doesnt allow to write in it
FighterCoder (75)
I get it on the line:

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If(!font.loadFromFile("arial.ttf"))
{
//Error
}


Edit: The If statement is where it crashes as i do not receive my error message on the console
Last edited on
FighterCoder (75)
I made a new project and fixed my error! Yay, i can code again
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