texture_manager.cpp

//
//  TextureManager.h
//  Grand
//
//  Created by Nico Hämäläinen on 9/21/13.
//  Copyright (c) 2013 Nico Hämäläinen. All rights reserved.
//

#ifndef __Grand__TextureManager__
#define __Grand__TextureManager__

#include <SFML/Graphics/Texture.hpp>
#include <boost/filesystem.hpp>

#include <map>
#include <memory>

namespace Grand
{
    class TextureManager
    {
    public:
        TextureManager();
        const sf::Texture* get_texture(const boost::filesystem::path& texture_path);

    private:
        std::map<boost::filesystem::path, std::unique_ptr<sf::Texture>> texture_map;

        bool is_texture_loaded(const boost::filesystem::path& texture_path) const;

        void add_texture(const boost::filesystem::path& texture_path);
    };
}

#endif

//
//  TextureManager.cpp
//  Grand
//
//  Created by Nico Hämäläinen on 9/21/13.
//  Copyright (c) 2013 Nico Hämäläinen. All rights reserved.
//

#include "TextureManager.hpp"

Grand::TextureManager::TextureManager()
{
}

const sf::Texture* Grand::TextureManager::get_texture(const boost::filesystem::path &texture_path)
{
    if (!is_texture_loaded(texture_path))
    {
        add_texture(texture_path);
    }

    return texture_map[texture_path].get();
}

bool Grand::TextureManager::is_texture_loaded(const boost::filesystem::path &texture_path) const
{
    auto found = texture_map.find(texture_path);
    return !(found == texture_map.end());
}

void Grand::TextureManager::add_texture(const boost::filesystem::path &texture_path)
{
    texture_map[texture_path] = std::unique_ptr<sf::Texture>(new sf::Texture());
    texture_map[texture_path]->loadFromFile(texture_path.string());
}