NetStream::NetStream(
int port,
const char *name
) : name_(name), port_(port), msgSize_(-1),
processing_(0), print_name_(get_host_print_name(port,name))
{
NetHost host(name);
struct sockaddr_in serv_addr;
host.get_address(&serv_addr);
serv_addr.sin_port = htons((short) port);
if ((_fd = socket(PF_INET, SOCK_STREAM, 0)) < 0)
_die("socket");
else if (connect(_fd, (struct sockaddr*) &serv_addr, sizeof(serv_addr)) < 0)
_die("connect");
else
no_linger(_fd);
block(STD_FALSE);
if (_fd != -1) {
set_blocking(false);
no_tcp_delay(); // don't wait for large packets before sending a message
}
}
// Public Methods
void Car::collisionResponse(const GameObject& collidedObject, double time, Vector3& direction) {
_movementSpeed = 0;
$moveToCollision(time);
if (collidedObject.isDeadly())
_die();
}
void warn(char *msg, ...)
{
va_list ap;
va_start(ap, msg);
_die(0, msg, ap);
va_end(ap);
}
void die(char *msg, ...)
{
va_list ap;
va_start(ap, msg);
_die(1, msg, ap);
va_end(ap);
}
NetStream *
Network::wait_for_connect()
{
struct sockaddr_in cli_addr;
socklen_t clilen = sizeof(cli_addr);
int newFd;
NetStream *newStream;
if ((newFd = accept(_fd, (struct sockaddr*) &cli_addr, &clilen)) < 0)
_die("accept");
// Should really handle EWOULDBLOCK...
if (!(newStream = new NetStream(newFd, &cli_addr)))
_die("out of memory");
return newStream;
}
__attribute__((noreturn)) static void
_die_overflow_mul(size_t x, size_t y)
{
_log_nomem(LOG_FATAL,
"malloc",
ENOMEM,
"integer multiplication overflow allocating >",
SIZE_MAX,
-1);
_die();
}
__attribute__((noreturn)) static void
_die_overflow_sub(size_t x, size_t y)
{
_log_nomem(LOG_FATAL,
"read",
ENOMEM,
"integer subtraction overflow reading ",
y,
-1);
_die();
}
/*
* low/no memory error handlers: used in signal handlers and to
* report memory allocation errors.
*/
__attribute__((noreturn)) static void
_die_malloc(int errnum, size_t bytes)
{
_log_nomem(LOG_FATAL,
"malloc",
errnum,
"out of memory allocating ",
bytes,
-1);
_die();
}
SYSHANDLER()
{
int (*ifunc[])(asm_env*) = {
NULL,
iexit,
isys,
};
int len = sizeof(ifunc)/sizeof(void*);
if( env->regs[ R_EAX ] < 0 || env->regs[ R_EAX ] >= len || ifunc[ env->regs[ R_EAX ] ] == NULL )
_die( env, "SIGSEGV" );
else
env->regs[ R_EAX ] = ifunc[ env->regs[ R_EAX ] ]( env );
}
// Constructors & Destructors
Orange::Orange() {
// Start managing this orange
_id = ID_GENERATOR++;
_orangeMap[_id] = this;
setAABB(2, -2, 2, -2);
$setDeadly(true);
// Start with a random movement speed
_incrementSpeed();
// Wait for a random time before spawning
_die();
}
void
Network::start(
int myPort
)
{
const char *msg;
// if myPort is 0, then we arbitrarily determine that this Network
// will be responsible for configuring all new clients when they
// arrive -- see accept_stream()
first_ = (myPort == 0 ? 0 : 1);
// setup master socket to wait for connections:
if ((msg = configure(myPort)))
_die(msg);
}
void Pickup::_update(const UpdateState& us) {
for (std::list<spUnit>::iterator i = _game->_units.begin(); i != _game->_units.end(); ++i) {
spUnit unit = *i;
//list of units has everything, but we need only Enemies
spAircraftFighter player = dynamic_cast<AircraftFighter*>(unit.get());
if (!player) {
continue;
}
else {
Vector2 d = unit->getPosition() - _pos;
if (d.length() < _diameter) {
if (_lastPickUp + 300 < us.time) {
_lastPickUp = us.time;
log::message("Taken %s-%d\n", _type.c_str(), _id);
if (!_type.compare("wpn")) {
player->pickupWpn(_id);
}
else
{
player->pickupPup(_id);
}
if (_quantity > 0)
{
_quantity--;
//new pos
//pickup_wpn0->init(Vector2(scalar::randFloat(0, getWidth()), scalar::randFloat(0, getHeight())), 0, this);
Vector2 newPos = Vector2(scalar::randFloat(0, 640), scalar::randFloat(0, 520));
this->_view->setPosition(newPos);
//this->setPosition(newPos);
_pos = newPos;
}
else if (_quantity == 0) _die();
return;
}
}
}
}
}
void Orange::update(double delta_t) {
if (_isDead)
return;
DynamicObject::update(delta_t);
// Check if outside the table
const Vector3& position = getPosition();
if (position.getX() > Table::TABLE_WIDTH || position.getY() > Table::TABLE_HEIGHT) {
_die();
return;
}
// Rotate/Roll according to the movement
_movementRotation = (int) (_movementRotation + _movementSpeed * 0.4) % 360;
}
void* Boss::collision(CollidingObject * o)
{
if (is_invincible()) return NULL;
Projectile* autre = dynamic_cast<Projectile*>(o);
if ((autre != NULL) && (autre->get_shot_id() == Projectile::banker)){
_get_hit(_sprite);
}
// Meure si ses points de vie tombent à 0
if (_life <= 0) {
EnemyFactory::reset_boss();
EnemyFactory::next_level();
_die();
return new DropObject(_sprite.GetPosition(), CASH + sf::Randomizer::Random(1, EnemyFactory::level()));
}
return NULL;
}
void on_event(const char* event, const char* id, const char* data)
{
// fprintf(stderr, "on_event %s#%s: '%s'\n", event, id, data);
// prepare command.
command[command_ofs] = (char*)event;
command[command_ofs+1] = (char*)id;
// Prepare pipe for subprocess
int fd[2];
if (pipe(fd) != 0) die("pipe");
// Start subprocess
pid_t pid = fork();
if (pid == -1) die("fork");
if (pid == 0) { /* the child */
close(fd[FD_WRITE]);
dup2(fd[FD_READ], FD_READ);
execvp(command[0], command);
_die(command[0]); /* die via _exit: a failed child should not flush parent files */
}
else { /* code for parent */
close(fd[FD_READ]);
write_all(fd[FD_WRITE], data, strlen(data));
close(fd[FD_WRITE]);
int status = 0;
waitpid(pid, &status, 0);
// Show results if something broke.
if(WIFEXITED(status) && WEXITSTATUS(status) != 0)
fprintf(stderr, "child exited with stats %d\n", WEXITSTATUS(status));
else if(WIFSIGNALED(status))
fprintf(stderr, "child exited of signal %d\n", WTERMSIG(status));
}
}
__attribute__((noreturn)) static void
_die_writepipe(int errnum, int fd, size_t bytes)
{
_log_writepipe(LOG_FATAL, errnum, fd, bytes);
_die();
}
__attribute__((noreturn)) static void
_die_writepipehang(int fd)
{
_log_nomem(LOG_FATAL, "write", 0, "wrote ", 0, fd);
_die();
}
__attribute__((noreturn)) static void
_die_overwritepipe(int fd, size_t bytes)
{
_log_nomem(LOG_FATAL, "write", 0, "over write ", bytes, fd);
_die();
}
void Car::update(double delta_t) {
double directionRads, seconds = delta_t / 1000;
// Handle steering
switch (_controlSteer) {
case 1:
_movementDirection -= seconds * STEER;
break;
case -1:
_movementDirection += seconds * STEER;
break;
}
// Handle acceleration
switch (_controlAcceleration) {
case 1:
// Accelerate
_movementSpeed += ACCELERATION_FORWARD * seconds;
if (_movementSpeed > LIMIT_FORWARD)
_movementSpeed = LIMIT_FORWARD;
break;
case 0:
// Apply drag
if (_movementSpeed > 0) {
_movementSpeed -= DRAG * seconds;
if (_movementSpeed < 0)
_movementSpeed = 0;
} else {
_movementSpeed += DRAG * seconds;
if (_movementSpeed > 0)
_movementSpeed = 0;
}
break;
case -1:
// Break / Reverse
_movementSpeed = _movementSpeed - ACCELERATION_BACKWARD * seconds;
if (_movementSpeed < -LIMIT_BACKWARD)
_movementSpeed = -LIMIT_BACKWARD;
break;
}
directionRads = _movementDirection * PI / 180; // Convert degrees to radians
Vector3& direction = Vector3(-cos(directionRads), -sin(directionRads), 0);
Vector3& perpendicularDirection = Vector3(sin(directionRads), -cos(directionRads), 0);
// Update speed and position
setSpeed(direction* _movementSpeed);
DynamicObject::update(delta_t);
// Update headlights
const Vector3& position = getPosition();
Vector3& headLightPositionC = Vector3(direction*0.6 + perpendicularDirection* -0.5);
Vector3& headLightPositionC2 = Vector3(direction*0.6 + perpendicularDirection* 0.5);
_pLeftHeadlight->setPosition(position.getX() + headLightPositionC.getX(), position.getY() + headLightPositionC.getY(), position.getZ() + 0.35);
_pRightHeadlight->setPosition(position.getX() + headLightPositionC2.getX(), position.getY() + headLightPositionC2.getY(), position.getZ() + 0.35);
_pLeftHeadlight->setDirection(direction.getX(), direction.getY(), 0);
_pRightHeadlight->setDirection(direction.getX(), direction.getY(), 0);
// Check if outside the table
if (position.getX() < 0 || position.getX() > Table::TABLE_WIDTH ||
position.getY() < 0 || position.getY() > Table::TABLE_HEIGHT) {
_die();
}
}
/* called in child process, use _exit */
__attribute__((noreturn)) static void
_die_sigaction(int errnum, int signum)
{
_log_sigaction(LOG_FATAL, errnum, signum);
_die();
}
/* called in child process, use _exit */
__attribute__((noreturn)) static void
_die_execve(int errnum, const char *file)
{
_log_execve(LOG_FATAL, errnum, file);
_die();
}
/* called in child process, use _exit */
__attribute__((noreturn)) static void
_die_dup2(int errnum, int fd)
{
_log_dup2(LOG_FATAL, errnum, fd);
_die();
}
