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TextureManager.hpp
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TextureManager.hpp
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#pragma once
#include <SFML/Graphics.hpp>
#include <cassert>
#include <string>
#include <iostream>
#include <unordered_map>
namespace gGUI {
class TextureManager {
public:
std::unordered_map<std::string, sf::Texture> textures;
std::unordered_map<std::string, sf::Image> images;
TextureManager()
{
for (size_t i = 0; i < filenames.size(); ++i) {
const std::string &file = filenames[i];
std::string name = file.substr(file.rfind("/") + 1, file.rfind(".png") - file.rfind("/") - 1);
images[name] = sf::Image();
if (not images[name].loadFromFile(file)) {
std::cerr << "ERROR: no such image (" << name << ")\n";
assert(false);
}
textures[name] = sf::Texture();
assert(textures[name].loadFromImage(images[name]));
}
}
const sf::Texture& operator[](const std::string &name)
{
return get(name);
}
const sf::Texture& get(const std::string &name)
{
assert(name != "NONE");
if (not textures.contains(name)) {
if (not images[name].loadFromFile(name))
images[name] = images["badtexture"];
textures[name].loadFromImage(images[name]);
}
return textures[name];
}
private:
const std::vector<std::string> filenames = {
"../textures/button.png",
"../textures/badtexture.png",
"../textures/buttonbg.png",
"../textures/panel.png",
"../textures/graypanel.png",
"../textures/blue_oval.png",
"../textures/darkgraypanel.png",
};
};
}