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Major networking refactoring to allow for snapshot filtering outside of netcode

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This commit is contained in:
sippeangelo
2016-02-09 13:22:21 +01:00
parent 2b4e00e4b0
commit d3bc48f5f7
28 changed files with 382 additions and 198 deletions
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src/Engine/Network/Client.cpp
+78 -49
View File
@@ -2,40 +2,50 @@
using namespace boost::asio::ip;
Client::Client(ConfigFile* config) : m_Socket(m_IOService)
Client::Client(World* world, EventBroker* eventBroker)
: Network(world, eventBroker)
, m_Socket(m_IOService)
{
Network::initialize();
// Asumes root node is EntityID_Invalid
insertIntoServerClientMaps(EntityID_Invalid, EntityID_Invalid);
// Init timer
m_TimeSinceSentInputs = std::clock();
// Default is local host
std::string address = config->Get<std::string>("Networking.Address", "127.0.0.1");
int port = config->Get<int>("Networking.Port", 27666);
m_ReceiverEndpoint = udp::endpoint(boost::asio::ip::address::from_string(address), port);
// Set up network stream
auto config = ResourceManager::Load<ConfigFile>("Config.ini");
m_PlayerName = config->Get<std::string>("Networking.Name", "Raptorcopter");
m_SendInputIntervalMs = config->Get<int>("Networking.SendInputIntervalMs", 33);
LOG_INFO("Client initialized");
}
Client::Client(World* world, EventBroker* eventBroker, std::unique_ptr<SnapshotFilter> snapshotFilter)
: Client(world, eventBroker)
{
m_SnapshotFilter = std::move(snapshotFilter);
}
Client::~Client()
{ }
void Client::Start(World* world, EventBroker* eventBroker)
void Client::Connect(std::string address, int port)
{
m_EventBroker = eventBroker;
m_World = world;
// Subscribe to events
EVENT_SUBSCRIBE_MEMBER(m_EInputCommand, &Client::OnInputCommand);
EVENT_SUBSCRIBE_MEMBER(m_EPlayerDamage, &Client::OnPlayerDamage);
EVENT_SUBSCRIBE_MEMBER(m_EPlayerSpawned, &Client::OnPlayerSpawned);
auto config = ResourceManager::Load<ConfigFile>("Config.ini");
if (address.empty()) {
address = config->Get<std::string>("Networking.Address", "127.0.0.1");
}
if (port == 0) {
port = config->Get<int>("Networking.Port", 27666);
}
m_ReceiverEndpoint = udp::endpoint(boost::asio::ip::address::from_string(address), port);
LOG_INFO("Client connecting...");
m_Socket.connect(m_ReceiverEndpoint);
LOG_INFO("I am client. BIP BOP");
connect();
}
void Client::Update()
@@ -49,6 +59,7 @@ void Client::Update()
sendInputCommands();
m_TimeSinceSentInputs = std::clock();
}
// HACK: Send absolute player positions for now to avoid desync until we have reliable messages
sendLocalPlayerTransform();
}
Network::Update();
@@ -173,34 +184,46 @@ void Client::parseComponentDeletion(Packet & packet)
}
}
// Fields with strings will not work right now
void Client::InterpolateFields(Packet& packet, const ComponentInfo& componentInfo, const EntityID& entityID, const std::string& componentType)
{
int sizeOfFields = 0;
for (auto field : componentInfo.FieldsInOrder) {
ComponentInfo::Field_t fieldInfo = componentInfo.Fields.at(field);
sizeOfFields += fieldInfo.Stride;
}
// Is the size correct?
boost::shared_array<char> eventData(new char[componentInfo.Stride]);
memcpy(eventData.get(), packet.ReadData(componentInfo.Stride), componentInfo.Stride);
//Send event to interpolat system
Events::Interpolate e;
e.Entity = entityID;
e.DataArray = eventData;
m_EventBroker->Publish(e);
}
void Client::updateFields(Packet& packet, const ComponentInfo& componentInfo, const EntityID& entityID, const std::string& componentType)
void Client::updateFields(Packet& packet, const ComponentInfo& componentInfo, const EntityID& entityID)
{
for (auto field : componentInfo.FieldsInOrder) {
ComponentInfo::Field_t fieldInfo = componentInfo.Fields.at(field);
if (fieldInfo.Type == "string") {
std::string& value = packet.ReadString();
m_World->GetComponent(entityID, componentType)[fieldInfo.Name] = value;
m_World->GetComponent(entityID, componentInfo.Name)[fieldInfo.Name] = value;
} else {
memcpy(m_World->GetComponent(entityID, componentType).Data + fieldInfo.Offset, packet.ReadData(fieldInfo.Stride), fieldInfo.Stride);
memcpy(m_World->GetComponent(entityID, componentInfo.Name).Data + fieldInfo.Offset, packet.ReadData(fieldInfo.Stride), fieldInfo.Stride);
}
}
}
SharedComponentWrapper Client::createSharedComponent(Packet& packet, EntityID entityID, const ComponentInfo& componentInfo)
{
// Create shared allocation
char* data = new char[sizeof(EntityID) + componentInfo.Stride];
// Copy entity ID to start of data buffer
memcpy(data, &entityID, sizeof(EntityID));
// Read and copy fields
for (auto& field : componentInfo.FieldsInOrder) {
ComponentInfo::Field_t fieldInfo = componentInfo.Fields.at(field);
if (fieldInfo.Type == "string") {
new (data + sizeof(EntityID) + fieldInfo.Offset) std::string(packet.ReadString());
} else {
memcpy(data + sizeof(EntityID) + fieldInfo.Offset, packet.ReadData(fieldInfo.Stride), fieldInfo.Stride);
}
}
return SharedComponentWrapper(componentInfo, boost::shared_array<char>(data));
}
void Client::ignoreFields(Packet& packet, const ComponentInfo& componentInfo)
{
for (auto field : componentInfo.FieldsInOrder) {
ComponentInfo::Field_t fieldInfo = componentInfo.Fields.at(field);
if (fieldInfo.Type == "string") {
packet.ReadString();
} else {
packet.ReadData(fieldInfo.Stride);
}
}
}
@@ -214,26 +237,32 @@ void Client::parseSnapshot(Packet& packet)
int ammountOfComponents = packet.ReadPrimitive<int>();
for (int i = 0; i < ammountOfComponents; i++) {
std::string componentType = packet.ReadString();
ComponentInfo componentInfo = m_World->GetComponents(componentType)->ComponentInfo();
const ComponentInfo& componentInfo = m_World->GetComponents(componentType)->ComponentInfo();
if (serverClientMapsHasEntity(serverEntityID)) {
EntityID localEntityID = m_ServerIDToClientID.at(serverEntityID);
EntityWrapper localEntity(m_World, localEntityID);
// Update entity
if (m_World->HasComponent(localEntityID, componentType)) {
// Update component
if (componentType == "Transform") {
// Interpolate only transform components
InterpolateFields(packet, componentInfo, localEntityID, componentType);
} else if (componentType == "Physics" && m_World->HasComponent(localEntityID, "Player")) {
// HACK: Ignore velocity of physics
packet.ReadData(componentInfo.Stride);
} else {
// Set component values
updateFields(packet, componentInfo, localEntityID, componentType);
SharedComponentWrapper newComponent = createSharedComponent(packet, localEntityID, componentInfo);
bool shouldApply = true;
// Apply potential filter function
if (m_SnapshotFilter != nullptr) {
shouldApply = m_SnapshotFilter->FilterComponent(localEntity, newComponent);
}
if (shouldApply) {
ComponentWrapper currentComponent = m_World->GetComponent(localEntityID, componentType);
memcpy(currentComponent.Data, newComponent.Data, componentInfo.Stride);
}
//if (localEntity != m_LocalPlayer && !localEntity.IsChildOf(m_LocalPlayer)) {
// updateFields(packet, componentInfo, localEntityID);
//} else {
// ignoreFields(packet, componentInfo);
//}
} else {
// Has entity but no component
m_World->AttachComponent(localEntityID, componentType);
updateFields(packet, componentInfo, localEntityID, componentType);
updateFields(packet, componentInfo, localEntityID);
}
} else {
// Create Entity and component
@@ -246,7 +275,7 @@ void Client::parseSnapshot(Packet& packet)
m_World->SetName(newLocalEntityID, serverEntityName);
insertIntoServerClientMaps(serverEntityID, newLocalEntityID);
m_World->AttachComponent(newLocalEntityID, componentType);
updateFields(packet, componentInfo, newLocalEntityID, componentType);
updateFields(packet, componentInfo, newLocalEntityID);
}
}
// Parent logic