BufferView::BufferView(const BufferPointer& buffer, const Element& element) :
BufferView(buffer, DEFAULT_OFFSET, buffer ? buffer->getSize() : 0, element.getSize(), element) {}
void Client::send(BufferPointer buffer, bool reliable)
{
ENetPacket *packet = enet_packet_create(buffer->getData(),
buffer->getSize(), reliable?ENET_PACKET_FLAG_RELIABLE:0);
enet_peer_send(peer, 0, packet);
}
void ClientWorldComponent::onPreUpdate()
{
client->update();
// Receive data
while (connection->hasData())
{
BufferPointer data = connection->receive();
PacketType type = (PacketType)data->read8();
switch (type)
{
case EPT_EntityCreated:
{
unsigned int id = data->read16() + 1;
std::string type = data->readString();
bool local = data->readUnsignedInt(1);
// Create entity
Game *game = getWorld()->getEngine()->getGame();
EntityFactory *factory = game->getEntityFactory(type);
if (!factory)
{
std::cout << "Could not get entity factory " << type << std::endl;
continue;
}
Entity *entity = factory->createEntity(getWorld());
ClientEntityComponent *component = (ClientEntityComponent*)entity->getComponent(EECT_Client);
component->setID(id);
component->setState(data.get());
addEntity(entity);
getWorld()->addEntity(entity);
break;
}
case EPT_EntityDeleted:
{
unsigned int id = data->read16() + 1;
Entity *entity = getEntity(id);
removeEntity(entity);
delete entity;
break;
}
case EPT_Update:
{
bool updatevalid = true;
unsigned int updatetime = data->read32();
unsigned int updateclienttime = data->read32();
lastacked = data->read32();
// Adjust time if the latency has decreased
// TODO: This might affect client prediction
if (updatetime > getWorld()->getTime())
getWorld()->setTime(updatetime);
// Apply the updates
while (data->getPosition() + 16 <= data->getSize() * 8)
{
unsigned int id = data->read16() + 1;
ClientEntityComponent *entity = getComponent(id);
// Ignore invalid updates
if (!entity)
{
updatevalid = false;
break;
}
// Apply backup to remove any user changes
if (entity->hasBackup())
entity->applyBackup();
// Apply update
entity->applyUpdate(data.get(), updatetime);
entity->onUpdate().trigger(updateclienttime);
}
// Only send the server that we have received this
// update if it was valid
if (updatevalid)
lastupdate = updatetime;
break;
}
case EPT_EntityMessage:
{
unsigned int id = data->read16() + 1;
ClientEntityComponent *entity = getComponent(id);
entity->onMessage().trigger(data.get());
break;
}
default:
// TODO: Warn
break;
}
}
}
