Préchargement des ressources avant le démarrage du jeu pour
éviter l'erreur type "ne répond pas"
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parent
13fc2e3b92
commit
6eaa4fb77f
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@ -32,8 +32,15 @@ endif()
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# Recherche des librairies
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set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}" ${CMAKE_MODULE_PATH})
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add_executable(ptf ${SOURCES})
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find_package(SFML 2 REQUIRED system window graphics network audio)
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find_package(Boost 1.60.0 COMPONENTS system filesystem)
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include_directories(${SFML_INCLUDE_DIRS})
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include_directories(${Boost_INCLUDE_DIRS})
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target_link_libraries(ptf ${SFML_LIBRARIES})
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target_link_libraries(ptf ${Boost_LIBRARIES})
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# Installation de l'exécutable
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install(TARGETS ptf DESTINATION bin)
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@ -12,13 +12,12 @@
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class Manager {
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private:
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sf::RenderWindow window;
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ResourceManager resource_manager;
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sf::Clock clock;
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sf::View default_view;
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sf::String title;
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ResourceManager resource_manager;
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std::vector<sf::Event> events;
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std::shared_ptr<State> state;
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std::shared_ptr<State> next_state;
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@ -3,6 +3,7 @@
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#include <SFML/Graphics.hpp>
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#include <SFML/Audio.hpp>
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#include <boost/filesystem.hpp>
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#include <unordered_map>
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#include <string>
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#include <fstream>
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@ -16,29 +17,34 @@
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*/
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class ResourceManager {
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private:
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std::string resources_dir;
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bool preloaded;
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boost::filesystem::path textures_path;
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std::unordered_map<std::string, std::unique_ptr<sf::Texture>> textures;
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boost::filesystem::path fonts_path;
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std::unordered_map<std::string, std::unique_ptr<sf::Font>> fonts;
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boost::filesystem::path levels_path;
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boost::filesystem::path musics_path;
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float music_volume;
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sf::Music music;
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public:
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ResourceManager();
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~ResourceManager();
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/**
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* Récupère une image. Réutilise l'image déjà chargée
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* si elle l'a déjà été, sinon, tente de la charger
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* depuis son emplacement
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* Précharge toutes les ressources préchargeables
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*/
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void preload();
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/**
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* Récupère une texture préchargée
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*/
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sf::Texture& getTexture(std::string name);
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/**
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* Récupère la police demandée. Réutilise une police
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* déjà chargée si elle a déjà été demandée, sinon, la
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* charge depuis son emplacement
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* Récupère une police préchargée
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*/
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sf::Font& getFont(std::string name);
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@ -52,6 +52,9 @@ Editor::~Editor() {}
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void Editor::begin() {
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Level::begin();
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getResourceManager().stopMusic();
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// TODO: on doit arrêter la musique car celle du
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// niveau est chargée par dessous dans level.. C'est sale
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getResourceManager().playMusic("editor.ogg");
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getWindow().setFramerateLimit(Manager::FPS);
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}
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@ -1,13 +1,21 @@
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#include <iostream>
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#include "manager.hpp"
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const unsigned int Manager::FPS = 60;
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const sf::Time Manager::FRAME_TIME = sf::seconds(1.f / Manager::FPS);
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Manager::Manager() : window(
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sf::VideoMode(704, 480), "Skizzle", sf::Style::Default,
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sf::ContextSettings(0, 0, 2)
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), default_view(window.getDefaultView()), title(sf::String(L"")),
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state(NULL), next_state(NULL), running(false) {}
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Manager::Manager() : default_view(window.getDefaultView()),
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title(sf::String(L"")), state(NULL), next_state(NULL), running(false) {
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// préchargement des textures
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resource_manager.preload();
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// création de la fenêtre (après avoir préchargé les ressources,
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// on évite ainsi tout lag pendant le traitement des événements)
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window.create(
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sf::VideoMode(704, 480), "Skizzle", sf::Style::Default,
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sf::ContextSettings(0, 0, 2)
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);
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}
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void Manager::start() {
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running = true;
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@ -1,86 +1,104 @@
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#include "resource_manager.hpp"
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#include "whereami.h"
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#include <iostream>
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#include <cstring>
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// définition du séparateur de fichiers en fonction
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// du type de système
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#ifdef _WIN32
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const std::string SEP = "\\";
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#else
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const std::string SEP = "/";
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#endif
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ResourceManager::ResourceManager() : music_volume(5) {
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// on récupère le chemin actuel de l'exécutable pour pouvoir accéder
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// au dossier des ressources qui est situé dans le même dossier
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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) {
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throw std::runtime_error("Impossible de déterminer le chemin actuel");
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}
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buffer.get()[length] = '\0';
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std::string base_dir = std::string(buffer.get()).substr(0, dirname_length);
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resources_dir = base_dir + SEP + "res" + SEP;
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using dir_iter = boost::filesystem::directory_iterator;
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using fs_path = boost::filesystem::path;
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ResourceManager::ResourceManager() : preloaded(false), music_volume(20) {
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// initialisation de la musique en bouclage et au volume par défaut
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music.setLoop(true);
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music.setVolume(music_volume);
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}
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ResourceManager::~ResourceManager() {
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textures.clear();
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fonts.clear();
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void ResourceManager::preload() {
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if (preloaded) {
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return;
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}
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fs_path current = boost::filesystem::current_path();
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dir_iter end;
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// on garde une référence aux chemins des différentes ressources
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textures_path = current / "res/textures";
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fonts_path = current / "res/fonts";
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levels_path = current / "res/levels";
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musics_path = current / "res/musics";
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// préchargement de toutes les textures
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for (dir_iter it(textures_path); it != end; ++it) {
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if (boost::filesystem::is_regular_file(it->path())) {
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std::string full_path = boost::filesystem::canonical(it->path()).string();
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std::string name = it->path().filename().string();
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auto texture = std::unique_ptr<sf::Texture>(new sf::Texture);
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std::cout << "Chargement de la texture " << name << "... ";
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if (!texture->loadFromFile(full_path)) {
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std::cerr << "ERREUR!" << std::endl;
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} else {
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std::cout << "OK!" << std::endl;
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}
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textures[name] = std::move(texture);
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}
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}
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// préchargement de toutes les polices
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for (dir_iter it(fonts_path); it != end; ++it) {
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if (boost::filesystem::is_regular_file(it->path())) {
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std::string full_path = boost::filesystem::canonical(it->path()).string();
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std::string name = it->path().filename().string();
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auto font = std::unique_ptr<sf::Font>(new sf::Font);
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std::cout << "Chargement de la police " << name << "... ";
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if (!font->loadFromFile(full_path)) {
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std::cerr << "ERREUR!" << std::endl;
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} else {
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std::cout << "OK!" << std::endl;
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}
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fonts[name] = std::move(font);
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}
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}
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preloaded = true;
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}
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sf::Texture& ResourceManager::getTexture(std::string name) {
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// si la texture est déjà chargée, on l'utilise directement
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if (textures.count(name) > 0) {
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return *textures[name];
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}
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auto texture = std::unique_ptr<sf::Texture>(new sf::Texture);
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// tente de charger la texture dans le chemin "res/textures/name.png"
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if (!texture->loadFromFile(resources_dir + SEP + "textures" + SEP + name)) {
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if (textures.count(name) == 0) {
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throw std::runtime_error(
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"Impossible de charger l'image \"" + name + "\""
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"Impossible de charger la texture inexistante : " + name
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);
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}
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textures[name] = std::move(texture);
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return *textures[name];
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}
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sf::Font& ResourceManager::getFont(std::string name) {
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// si la police est déjà chargée, on l'utilise directement
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if (fonts.count(name) > 0) {
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return *fonts[name];
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}
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auto font = std::unique_ptr<sf::Font>(new sf::Font);
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// tente de charger la police depuis le dossier "res/fonts"
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if (!font->loadFromFile(resources_dir + SEP + "fonts" + SEP + name)) {
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if (fonts.count(name) == 0) {
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throw std::runtime_error(
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"Impossible de charger la police \"" + name + "\""
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"Impossible de charger la police inexistante : " + name
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);
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}
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fonts[name] = std::move(font);
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return *fonts[name];
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}
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std::string ResourceManager::getLevelPath(std::string name) {
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return resources_dir + SEP + "levels" + SEP + name;
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return boost::filesystem::canonical(levels_path / name).string();
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}
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void ResourceManager::playMusic(std::string name) {
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// tente de charger la musique depuis le dossier "res/musics"
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if (!music.openFromFile(resources_dir + SEP + "musics" + SEP + name)) {
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throw std::runtime_error("Impossible de charger la musique : " + name);
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std::string full_path = boost::filesystem::canonical(musics_path / name).string();
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std::cout << "Lecture de la musique " << name << "... ";
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if (!music.openFromFile(full_path)) {
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std::cerr << "ERREUR!" << std::endl;
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} else {
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std::cout << "OK!" << std::endl;
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}
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music.play();
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