skizzle/src/resource_manager.cpp

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#include "resource_manager.hpp"
#include "whereami.h"
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#include <memory>
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ResourceManager::ResourceManager() {
music.setLoop(true);
}
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ResourceManager::~ResourceManager() {
textures.clear();
}
/**
* Récupère le chemin actuel de l'exécutable sous la forme
* d'une chaîne de caractères grâce à la librairie whereami
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*/
std::string getCurrentDirectory() {
int length = wai_getExecutablePath(NULL, 0, NULL), dirname_length;
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std::unique_ptr<char[]> buffer = std::unique_ptr<char[]>(new char[length + 1]);
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wai_getExecutablePath(buffer.get(), length, &dirname_length);
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if (length == 0) {
throw std::runtime_error("Impossible de déterminer le chemin actuel");
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}
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buffer.get()[length] = '\0';
return std::string(buffer.get()).substr(0, dirname_length);
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}
/**
* Récupère le chemin absolu vers la ressource dont
* le nom est passé en argument
*/
inline std::string getResourcePath(std::string name) {
#ifdef _WIN32
return getCurrentDirectory() + "\\res\\" + name;
#else
return getCurrentDirectory() + "/res/" + name;
#endif
}
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sf::Texture& ResourceManager::getTexture(std::string name) {
// si la texture est déjà chargée, on l'utilise directement
if (textures.count(name) > 0) {
return textures[name];
}
sf::Texture texture;
// tente de charger la texture dans le chemin "CWD/res/name"
if (!texture.loadFromFile(getResourcePath(name))) {
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throw std::runtime_error("Impossible de charger l'image : " + name);
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}
textures[name] = texture;
return textures[name];
}
void ResourceManager::setMusic(std::string name) {
if (!music.openFromFile(getResourcePath(name))) {
throw std::runtime_error("Impossible de charger la musique : " + name);
}
}
void ResourceManager::playMusic() {
music.play();
}
void ResourceManager::pauseMusic() {
music.pause();
}
void ResourceManager::stopMusic() {
music.stop();
}