// 创建一个碰撞世界
	ICollisionWorld *OpcodeCollisionSystem::createWorld(const String &name)
	{
		if(hasWorld(name))
		{
			return 0;
		}
		ICollisionWorld *world = new OpcodeCollisionWorld(name);
		m_worldMap[name] = world;
		return world;
	}
PhysicsWorld::PhysicsWorldSP PhysicsManager::getWorld(const QString name) {
    if(hasWorld(name))
        return mWorlds.find(name)->second;
    return PhysicsWorld::PhysicsWorldSP();
}
bool MapcrafterConfig::parse(const std::string& filename, ValidationMap& validation) {
	INIConfig config;
	ValidationMessage msg;
	if (!config.loadFile(filename, msg)) {
		validation.push_back(std::make_pair("Configuration file", makeValidationList(msg)));
		return false;
	}

	fs::path config_dir = fs::path(filename).parent_path();

	bool ok = true;

	ValidationList general_msgs;

	bool has_default_template = !util::findTemplateDir().empty();
	if (has_default_template)
		template_dir.setDefault(util::findTemplateDir());

	auto entries = config.getRootSection().getEntries();
	for (auto entry_it = entries.begin(); entry_it != entries.end(); ++entry_it) {
		std::string key = entry_it->first;
		std::string value = entry_it->second;

		if (key == "output_dir") {
			if (output_dir.load(key, value, general_msgs))
				output_dir.setValue(BOOST_FS_ABSOLUTE(output_dir.getValue(), config_dir));
		} else if (key == "template_dir") {
			if (template_dir.load(key, value, general_msgs)) {
				template_dir.setValue(BOOST_FS_ABSOLUTE(template_dir.getValue(), config_dir));
				if (!fs::is_directory(template_dir.getValue()))
					general_msgs.push_back(ValidationMessage::error(
							"'template_dir' must be an existing directory! '"
							+ template_dir.getValue().string() + "' does not exist!"));
			}
		} else {
			general_msgs.push_back(ValidationMessage::warning(
					"Unknown configuration option '" + key + "'!"));
		}
	}

	if (!output_dir.require(general_msgs, "You have to specify an output directory ('output_dir')!"))
		ok = false;
	if (!has_default_template)
		template_dir.require(general_msgs, "You have to specify a template directory ('template_dir')!");

	if (!general_msgs.empty())
		validation.push_back(std::make_pair("Configuration file", general_msgs));

	if (config.hasSection("global", "worlds")) {
		ValidationList msgs;
		world_global.setConfigDir(config_dir);
		ok = world_global.parse(config.getSection("global", "worlds"), msgs) && ok;
		if (!msgs.empty())
			validation.push_back(std::make_pair("Global world configuration", msgs));
		if (!ok)
			return false;
	}

	if (config.hasSection("global", "maps")) {
		ValidationList msgs;
		map_global.setConfigDir(config_dir);
		ok = map_global.parse(config.getSection("global", "maps"), msgs) && ok;
		if (!msgs.empty())
			validation.push_back(std::make_pair("Global map configuration", msgs));
		if (!ok)
			return false;
	}

	auto sections = config.getSections();

	for (auto it = sections.begin(); it != sections.end(); ++it)
		if (it->getType() != "world" && it->getType() != "map"
				&& it->getNameType() != "global:worlds"
				&& it->getNameType() != "global:maps") {
			validation.push_back(std::make_pair("Section '" + it->getName() + "' with type '" + it->getType() + "'",
					makeValidationList(ValidationMessage::warning("Unknown section type!"))));
		}

	for (auto it = sections.begin(); it != sections.end(); ++it) {
		if (it->getType() != "world")
			continue;
		ValidationList msgs;
		WorldSection world = world_global;
		world.setGlobal(false);
		world.setConfigDir(config_dir);
		ok = world.parse(*it, msgs) && ok;

		if (hasWorld(it->getName())) {
			msgs.push_back(ValidationMessage::error("World name '" + it->getName() + "' already used!"));
			ok = false;
		} else
			worlds[it->getName()] = world;

		if (!msgs.empty())
			validation.push_back(std::make_pair("World section '" + it->getName() + "'", msgs));
	}

	for (auto it = sections.begin(); it != sections.end(); ++it) {
		if (it->getType() != "map")
			continue;
		ValidationList msgs;
		MapSection map = map_global;
		map.setGlobal(false);
		map.setConfigDir(config_dir);
		ok = map.parse(*it, msgs) && ok;

		if (hasMap(it->getName())) {
			msgs.push_back(ValidationMessage::error("Map name '" + it->getName() + "' already used!"));
			ok = false;
		} else if (map.getWorld() != "" && !hasWorld(map.getWorld())) {
			msgs.push_back(ValidationMessage::error("World '" + map.getWorld() + "' does not exist!"));
			ok = false;
		} else
			maps.push_back(map);

		if (!msgs.empty())
			validation.push_back(std::make_pair("Map section '" + it->getName() + "'", msgs));
	}

	return ok;
}