C++ WARN_PRINT函数代码示例

// Two-channel sawtooth wave generator.
int AudioDriverRtAudio::callback( void *outputBuffer, void *inputBuffer, unsigned int nBufferFrames,
	double streamTime, RtAudioStreamStatus status, void *userData ) {

	if (status) {
		if (status & RTAUDIO_INPUT_OVERFLOW) {
			WARN_PRINT("RtAudio input overflow!");
		}
		if (status & RTAUDIO_OUTPUT_UNDERFLOW) {
			WARN_PRINT("RtAudio output underflow!");
		}
	}
	int32_t *buffer = (int32_t *) outputBuffer;

	AudioDriverRtAudio *self = (AudioDriverRtAudio*)userData;

	if (self->mutex->try_lock()!=OK) {


		// what should i do..
		for(unsigned int i=0;i<nBufferFrames;i++)
			buffer[i]=0;

		return 0;
	}

	self->audio_server_process(nBufferFrames,buffer);

	self->mutex->unlock();;

	return 0;
}

String OS_Unix::get_executable_path() const {

#ifdef __linux__
	//fix for running from a symlink
	char buf[256];
	memset(buf, 0, 256);
	ssize_t len = readlink("/proc/self/exe", buf, sizeof(buf));
	String b;
	if (len > 0) {
		b.parse_utf8(buf, len);
	}
	if (b == "") {
		WARN_PRINT("Couldn't get executable path from /proc/self/exe, using argv[0]");
		return OS::get_executable_path();
	}
	return b;
#elif defined(__OpenBSD__)
	char resolved_path[MAXPATHLEN];

	realpath(OS::get_executable_path().utf8().get_data(), resolved_path);

	return String(resolved_path);
#elif defined(__FreeBSD__)
	int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
	char buf[MAXPATHLEN];
	size_t len = sizeof(buf);
	if (sysctl(mib, 4, buf, &len, NULL, 0) != 0) {
		WARN_PRINT("Couldn't get executable path from sysctl");
		return OS::get_executable_path();
	}
	String b;
	b.parse_utf8(buf);
	return b;
#elif defined(__APPLE__)
	char temp_path[1];
	uint32_t buff_size = 1;
	_NSGetExecutablePath(temp_path, &buff_size);

	char *resolved_path = new char[buff_size + 1];

	if (_NSGetExecutablePath(resolved_path, &buff_size) == 1)
		WARN_PRINT("MAXPATHLEN is too small");

	String path(resolved_path);
	delete[] resolved_path;

	return path;
#else
	ERR_PRINT("Warning, don't know how to obtain executable path on this OS! Please override this function properly.");
	return OS::get_executable_path();
#endif
}

Error GDMono::reload_scripts_domain() {

	ERR_FAIL_COND_V(!runtime_initialized, ERR_BUG);

	if (scripts_domain) {
		Error err = _unload_scripts_domain();
		if (err != OK) {
			ERR_PRINT("Mono: Failed to unload scripts domain");
			return err;
		}
	}

	Error err = _load_scripts_domain();
	if (err != OK) {
		ERR_PRINT("Mono: Failed to load scripts domain");
		return err;
	}

#ifdef MONO_GLUE_ENABLED
	if (!_load_api_assemblies()) {
		return ERR_CANT_OPEN;
	}

	if (!core_api_assembly_out_of_sync && !editor_api_assembly_out_of_sync && GDMonoUtils::mono_cache.godot_api_cache_updated) {
		// Everything is fine with the api assemblies, load the project assembly
		_load_project_assembly();
	} else {
		// The assembly was successfully loaded, but the full api could not be cached.
		// This is most likely an outdated assembly loaded because of an invalid version in the metadata,
		// so we invalidate the version in the metadata and unload the script domain.

		if (core_api_assembly_out_of_sync) {
			ERR_PRINT("The loaded Core API assembly is out of sync");
			metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true);
		} else if (!GDMonoUtils::mono_cache.godot_api_cache_updated) {
			ERR_PRINT("The loaded Core API assembly is in sync, but the cache update failed");
			metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true);
		}

		if (editor_api_assembly_out_of_sync) {
			ERR_PRINT("The loaded Editor API assembly is out of sync");
			metadata_set_api_assembly_invalidated(APIAssembly::API_EDITOR, true);
		}

		Error err = _unload_scripts_domain();
		if (err != OK) {
			WARN_PRINT("Mono: Failed to unload scripts domain");
		}

		return ERR_CANT_RESOLVE;
	}

	if (!_load_project_assembly())
		return ERR_CANT_OPEN;
#else
	print_verbose("Mono: Glue disabled, ignoring script assemblies.");
#endif

	return OK;
}

World2D::World2D() {

	canvas = VisualServer::get_singleton()->canvas_create();
	space = Physics2DServer::get_singleton()->space_create();
	sound_space = SpatialSound2DServer::get_singleton()->space_create();

	//set space2D to be more friendly with pixels than meters, by adjusting some constants
	Physics2DServer::get_singleton()->space_set_active(space,true);
	Physics2DServer::get_singleton()->area_set_param(space,Physics2DServer::AREA_PARAM_GRAVITY,GLOBAL_DEF("physics_2d/default_gravity",98));
	Physics2DServer::get_singleton()->area_set_param(space,Physics2DServer::AREA_PARAM_GRAVITY_VECTOR,GLOBAL_DEF("physics_2d/default_gravity_vector",Vector2(0,1)));
	// TODO: Remove this deprecation warning and compatibility code for 2.2 or 3.0
	if (Globals::get_singleton()->get("physics_2d/default_density") && !Globals::get_singleton()->get("physics_2d/default_linear_damp")) {
		WARN_PRINT("Deprecated parameter 'physics_2d/default_density'. It was renamed to 'physics_2d/default_linear_damp', adjusting your project settings accordingly (make sure to adjust scripts that potentially rely on 'physics_2d/default_density'.");
		Globals::get_singleton()->set("physics_2d/default_linear_damp", Globals::get_singleton()->get("physics_2d/default_density"));
		Globals::get_singleton()->set_persisting("physics_2d/default_linear_damp", true);
		Globals::get_singleton()->set_persisting("physics_2d/default_density", false);
		Globals::get_singleton()->save();
	}
	Physics2DServer::get_singleton()->area_set_param(space,Physics2DServer::AREA_PARAM_LINEAR_DAMP,GLOBAL_DEF("physics_2d/default_linear_damp",0.1));
	Physics2DServer::get_singleton()->area_set_param(space,Physics2DServer::AREA_PARAM_ANGULAR_DAMP,GLOBAL_DEF("physics_2d/default_angular_damp",1));
	Physics2DServer::get_singleton()->space_set_param(space,Physics2DServer::SPACE_PARAM_CONTACT_RECYCLE_RADIUS,1.0);
	Physics2DServer::get_singleton()->space_set_param(space,Physics2DServer::SPACE_PARAM_CONTACT_MAX_SEPARATION,1.5);
	Physics2DServer::get_singleton()->space_set_param(space,Physics2DServer::SPACE_PARAM_BODY_MAX_ALLOWED_PENETRATION,0.3);
	Physics2DServer::get_singleton()->space_set_param(space,Physics2DServer::SPACE_PARAM_BODY_LINEAR_VELOCITY_SLEEP_TRESHOLD,2);
	Physics2DServer::get_singleton()->space_set_param(space,Physics2DServer::SPACE_PARAM_CONSTRAINT_DEFAULT_BIAS,0.2);

	indexer = memnew( SpatialIndexer2D );

}

void EditorFileSystem::_load_type_cache(){

	GLOBAL_LOCK_FUNCTION


#if 0
	//this is not good, removed for now as it interferes with metadata stored in files

	String project=Globals::get_singleton()->get_resource_path();
	FileAccess *f =FileAccess::open(project+"/types.cache",FileAccess::READ);

	if (!f) {

		WARN_PRINT("Can't open types.cache.");
		return;
	}

	file_type_cache.clear();
	while(!f->eof_reached()) {

		String path=f->get_line();
		if (f->eof_reached())
			break;
		String type=f->get_line();
		file_type_cache[path]=type;
	}

	memdelete(f);
#endif
}

String OS_Unix::get_executable_path() const {

#ifdef __linux__
	//fix for running from a symlink
	char buf[256];
	memset(buf,0,256);
	readlink("/proc/self/exe", buf, sizeof(buf));
	//print_line("Exec path is:"+String(buf));
	String b;
	b.parse_utf8(buf);
	if (b=="") {
		WARN_PRINT("Couldn't get executable path from /proc/self/exe, using argv[0]");
		return OS::get_executable_path();
	}
	return b;
#elif defined(__FreeBSD__)
	char resolved_path[MAXPATHLEN];

	realpath(OS::get_executable_path().utf8().get_data(), resolved_path);

	return String(resolved_path);
#else
	ERR_PRINT("Warning, don't know how to obtain executable path on this OS! Please override this function properly.");
	return OS::get_executable_path();
#endif
}

void ObjectDB::cleanup() {

	rw_lock->write_lock();
	if (instances.size()) {

		WARN_PRINT("ObjectDB Instances still exist!");
		if (OS::get_singleton()->is_stdout_verbose()) {
			const ObjectID *K = NULL;
			while ((K = instances.next(K))) {

				String node_name;
				if (instances[*K]->is_class("Node"))
					node_name = " - Node Name: " + String(instances[*K]->call("get_name"));
				if (instances[*K]->is_class("Resource"))
					node_name = " - Resource Name: " + String(instances[*K]->call("get_name")) + " Path: " + String(instances[*K]->call("get_path"));
				print_line("Leaked Instance: " + String(instances[*K]->get_class()) + ":" + itos(*K) + node_name);
			}
		}
	}
	instances.clear();
	instance_checks.clear();
	rw_lock->write_unlock();

	memdelete(rw_lock);
}

void Generic6DOFJointBullet::set_flag(Vector3::Axis p_axis, PhysicsServer::G6DOFJointAxisFlag p_flag, bool p_value) {
	ERR_FAIL_INDEX(p_axis, 3);

	flags[p_axis][p_flag] = p_value;

	switch (p_flag) {
		case PhysicsServer::G6DOF_JOINT_FLAG_ENABLE_LINEAR_LIMIT:
			if (flags[p_axis][p_flag]) {
				sixDOFConstraint->setLimit(p_axis, limits_lower[0][p_axis], limits_upper[0][p_axis]);
			} else {
				sixDOFConstraint->setLimit(p_axis, 0, -1); // Free
			}
			break;
		case PhysicsServer::G6DOF_JOINT_FLAG_ENABLE_ANGULAR_LIMIT:
			if (flags[p_axis][p_flag]) {
				sixDOFConstraint->setLimit(p_axis + 3, limits_lower[1][p_axis], limits_upper[1][p_axis]);
			} else {
				sixDOFConstraint->setLimit(p_axis + 3, 0, -1); // Free
			}
			break;
		case PhysicsServer::G6DOF_JOINT_FLAG_ENABLE_MOTOR:
			sixDOFConstraint->getRotationalLimitMotor(p_axis)->m_enableMotor = flags[p_axis][p_flag];
			break;
		case PhysicsServer::G6DOF_JOINT_FLAG_ENABLE_LINEAR_MOTOR:
			sixDOFConstraint->getTranslationalLimitMotor()->m_enableMotor[p_axis] = flags[p_axis][p_flag];
			break;
		default:
			WARN_PRINT("This flag is not supported by Bullet engine");
			return;
	}
}

IP::ResolverID IP::resolve_hostname_queue_item(const String &p_hostname, IP::Type p_type) {

	resolver->mutex->lock();

	ResolverID id = resolver->find_empty_id();

	if (id == RESOLVER_INVALID_ID) {
		WARN_PRINT("Out of resolver queries");
		resolver->mutex->unlock();
		return id;
	}

	String key = _IP_ResolverPrivate::get_cache_key(p_hostname, p_type);
	resolver->queue[id].hostname = p_hostname;
	resolver->queue[id].type = p_type;
	if (resolver->cache.has(key)) {
		resolver->queue[id].response = resolver->cache[key];
		resolver->queue[id].status = IP::RESOLVER_STATUS_DONE;
	} else {
		resolver->queue[id].response = IP_Address();
		resolver->queue[id].status = IP::RESOLVER_STATUS_WAITING;
		if (resolver->thread)
			resolver->sem->post();
		else
			resolver->resolve_queues();
	}

	resolver->mutex->unlock();
	return id;
}

void RigidBodyBullet::KinematicUtilities::copyAllOwnerShapes() {
	const Vector<CollisionObjectBullet::ShapeWrapper> &shapes_wrappers(owner->get_shapes_wrappers());
	const int shapes_count = shapes_wrappers.size();

	just_delete_shapes(shapes_count);

	const CollisionObjectBullet::ShapeWrapper *shape_wrapper;

	btVector3 owner_scale(owner->get_bt_body_scale());

	for (int i = shapes_count - 1; 0 <= i; --i) {
		shape_wrapper = &shapes_wrappers[i];
		if (!shape_wrapper->active) {
			continue;
		}

		shapes.write[i].transform = shape_wrapper->transform;
		shapes.write[i].transform.getOrigin() *= owner_scale;
		switch (shape_wrapper->shape->get_type()) {
			case PhysicsServer::SHAPE_SPHERE:
			case PhysicsServer::SHAPE_BOX:
			case PhysicsServer::SHAPE_CAPSULE:
			case PhysicsServer::SHAPE_CYLINDER:
			case PhysicsServer::SHAPE_CONVEX_POLYGON:
			case PhysicsServer::SHAPE_RAY: {
				shapes.write[i].shape = static_cast<btConvexShape *>(shape_wrapper->shape->create_bt_shape(owner_scale * shape_wrapper->scale, safe_margin));
			} break;
			default:
				WARN_PRINT("This shape is not supported to be kinematic!");
				shapes.write[i].shape = NULL;
		}
	}
}

ThreadSafe::ThreadSafe() {

	mutex = Mutex::create();
	if (!mutex) {

		WARN_PRINT("THREAD_SAFE defined, but no default mutex type");
	}
}

int PowerJavascript::get_power_percent_left() {
	if (UpdatePowerInfo()) {
		return percent_left;
	} else {
		WARN_PRINT("Power management is not implemented on this platform, defaulting to -1");
		return -1;
	}
}

void NetSocketPosix::set_reuse_address_enabled(bool p_enabled) {
	ERR_FAIL_COND(!is_open());

	int par = p_enabled ? 1 : 0;
	if (setsockopt(_sock, SOL_SOCKET, SO_REUSEADDR, SOCK_CBUF(&par), sizeof(int)) < 0) {
		WARN_PRINT("Unable to set socket REUSEADDR option!");
	}
}

Resource::~Resource() {

	if (path_cache != "")
		ResourceCache::resources.erase(path_cache);
	if (owners.size()) {
		WARN_PRINT("Resource is still owned");
	}
}

int power_android::get_power_percent_left() {
	if (GetPowerInfo_Android()) {
		return percent_left;
	} else {
		WARN_PRINT("Power management is not implemented on this platform, defaulting to -1");
		return -1;
	}
}