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Some cleanup around handling of migrations to simplify interfaces and add additional hooks for functionality

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Signed-off-by: kberg-amzn <karlberg@amazon.com>
This commit is contained in:
kberg-amzn
2021-11-03 19:34:10 -07:00
parent 70a1eb65d8
commit 8a3d055f8b
13 changed files with 194 additions and 116 deletions
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Gems/Multiplayer/Code/Include/Multiplayer/EntityDomains/IEntityDomain.h
+4 -8
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@@ -17,8 +17,6 @@ namespace Multiplayer
class IEntityDomain
{
public:
using EntitiesNotInDomain = AZStd::unordered_set<NetEntityId>;
virtual ~IEntityDomain() = default;
//! For domains that operate on a region of space, this sets the area the domain is responsible for.
@@ -34,12 +32,10 @@ namespace Multiplayer
//! @return false if this entity should not belong to the entity manger, true if it could be owned by the entity manager
virtual bool IsInDomain(const ConstNetworkEntityHandle& entityHandle) const = 0;
//! Enable Entity Domain Exit Tracking for entities on the host.
//! @param ownedEntitySet the set of entities to activate tracking for
virtual void ActivateTracking(const INetworkEntityManager::OwnedEntitySet& ownedEntitySet) = 0;
//! Return the set of netbound entities not included in this domain.
virtual const EntitiesNotInDomain& RetrieveEntitiesNotInDomain() const = 0;
//! This method will be invoked whenever we unexpectedly lose the authoritative entity replicator for an entity.
//! This gives our entity domain a chance to determine whether or not it should assume authority in this instance.
//! @param entityHandle the network entity handle of the entity that has lost it's authoritative replicator
virtual void HandleLossOfAuthoritativeReplicator(const ConstNetworkEntityHandle& entityHandle) = 0;
//! Debug draw to visualize host entity domains.
virtual void DebugDraw() const = 0;
Gems/Multiplayer/Code/Include/Multiplayer/NetworkEntity/INetworkEntityManager.h
+18 -5
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@@ -26,6 +26,7 @@ namespace Multiplayer
using EntityExitDomainEvent = AZ::Event<const ConstNetworkEntityHandle&>;
using ControllersActivatedEvent = AZ::Event<const ConstNetworkEntityHandle&, EntityIsMigrating>;
using ControllersDeactivatedEvent = AZ::Event<const ConstNetworkEntityHandle&, EntityIsMigrating>;
using NetEntityIdSet = AZStd::unordered_set<NetEntityId>;
//! @class INetworkEntityManager
//! @brief The interface for managing all networked entities.
@@ -34,18 +35,17 @@ namespace Multiplayer
public:
AZ_RTTI(INetworkEntityManager, "{109759DE-9492-439C-A0B1-AE46E6FD029C}");
using OwnedEntitySet = AZStd::unordered_set<ConstNetworkEntityHandle>;
using EntityList = AZStd::vector<NetworkEntityHandle>;
virtual ~INetworkEntityManager() = default;
//! Configures the NetworkEntityManager to operate as an authoritative host.
//! @param hostId the hostId of this NetworkEntityManager
//! Configures the NetworkEntityManager.
//! @param hostId the hostId of this NetworkEntityManager (invalid for clients)
//! @param entityDomain the entity domain used to determine which entities this manager has authority over
virtual void Initialize(const HostId& hostId, AZStd::unique_ptr<IEntityDomain> entityDomain) = 0;
//! Returns whether or not the network entity manager has been initialized to host.
//! @return boolean true if this network entity manager has been intialized to host
//! Returns whether or not the network entity manager has been initialized.
//! @return boolean true if this network entity manager has been intialized
virtual bool IsInitialized() const = 0;
//! Returns the entity domain associated with this network entity manager, this will be nullptr on clients.
@@ -181,6 +181,19 @@ namespace Multiplayer
//! @param entityRpcMessage the local rpc message to handle
virtual void HandleLocalRpcMessage(NetworkEntityRpcMessage& message) = 0;
//! Handles a set of entities transitioning between entity domains.
//! @param entitiesNotInDomain the set of entities that are no longer contained within our entity domain
virtual void HandleEntitiesExitDomain(const NetEntityIdSet& entitiesNotInDomain) = 0;
//! Forcibly assumes authoritative control over the given entity.
//! This should only be used in the event of the unexpected loss of the previous authority, any other usage could corrupt the simulation.
//! @param entityHandle the entity to forcibly assume authoritative control over
virtual void ForceAssumeAuthority(const ConstNetworkEntityHandle& entityHandle) = 0;
//! Overrides the default timeout time used during entity migrations.
//! @param timeoutTimeMs the timeout time to use in milliseconds
virtual void SetMigrateTimeoutTimeMs(AZ::TimeMs timeoutTimeMs) = 0;
//! Visualization of network entity manager state.
virtual void DebugDraw() const = 0;
};
Gems/Multiplayer/Code/Source/Components/NetBindComponent.cpp
+2 -2
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@@ -317,7 +317,7 @@ namespace Multiplayer
return false;
}
bool NetBindComponent::HandlePropertyChangeMessage([[maybe_unused]] AzNetworking::ISerializer& serializer, [[maybe_unused]] bool notifyChanges)
bool NetBindComponent::HandlePropertyChangeMessage(AzNetworking::ISerializer& serializer, bool notifyChanges)
{
const NetEntityRole netEntityRole = m_netEntityRole;
ReplicationRecord replicationRecord(netEntityRole);
@@ -492,7 +492,7 @@ namespace Multiplayer
void NetBindComponent::FillTotalReplicationRecord(ReplicationRecord& replicationRecord) const
{
replicationRecord.Append(m_totalRecord);
// if we have any outstanding changes yet to be logged, grab those as well
// If we have any outstanding changes yet to be logged, grab those as well
if (m_currentRecord.HasChanges())
{
replicationRecord.Append(m_currentRecord);
Gems/Multiplayer/Code/Source/EntityDomains/FullOwnershipEntityDomain.cpp
+2 -7
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@@ -26,14 +26,9 @@ namespace Multiplayer
return true;
}
void FullOwnershipEntityDomain::ActivateTracking([[maybe_unused]] const INetworkEntityManager::OwnedEntitySet& ownedEntitySet)
void FullOwnershipEntityDomain::HandleLossOfAuthoritativeReplicator([[maybe_unused]] const ConstNetworkEntityHandle& entityHandle)
{
;
}
const IEntityDomain::EntitiesNotInDomain& FullOwnershipEntityDomain::RetrieveEntitiesNotInDomain() const
{
return m_entitiesNotInDomain;
AZ_Assert(false, "FullOwnershipEntityDomain has authoritative control over all entities, something unexpected has happened");
}
void FullOwnershipEntityDomain::DebugDraw() const
Gems/Multiplayer/Code/Source/EntityDomains/FullOwnershipEntityDomain.h
+1 -5
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@@ -24,12 +24,8 @@ namespace Multiplayer
void SetAabb(const AZ::Aabb& aabb) override;
const AZ::Aabb& GetAabb() const override;
bool IsInDomain(const ConstNetworkEntityHandle& entityHandle) const override;
void ActivateTracking(const INetworkEntityManager::OwnedEntitySet& ownedEntitySet) override;
const EntitiesNotInDomain& RetrieveEntitiesNotInDomain() const override;
void HandleLossOfAuthoritativeReplicator(const ConstNetworkEntityHandle& entityHandle) override;
void DebugDraw() const override;
//! @}
private:
EntitiesNotInDomain m_entitiesNotInDomain;
};
}
Gems/Multiplayer/Code/Source/EntityDomains/NullEntityDomain.cpp
+41
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@@ -0,0 +1,41 @@
/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <Source/EntityDomains/NullEntityDomain.h>
#include <Multiplayer/IMultiplayer.h>
#include <AzCore/Console/ILogger.h>
namespace Multiplayer
{
void NullEntityDomain::SetAabb([[maybe_unused]] const AZ::Aabb& aabb)
{
; // Do nothing, by definition we own everything
}
const AZ::Aabb& NullEntityDomain::GetAabb() const
{
static AZ::Aabb nullAabb = AZ::Aabb::CreateNull();
return nullAabb;
}
bool NullEntityDomain::IsInDomain([[maybe_unused]] const ConstNetworkEntityHandle& entityHandle) const
{
return false;
}
void NullEntityDomain::HandleLossOfAuthoritativeReplicator([[maybe_unused]] const ConstNetworkEntityHandle& entityHandle)
{
AZLOG_ERROR("Timed out entity id %llu during migration, marking for removal", aznumeric_cast<AZ::u64>(entityHandle.GetNetEntityId()));
GetNetworkEntityManager()->MarkForRemoval(entityHandle);
}
void NullEntityDomain::DebugDraw() const
{
;
}
}
Gems/Multiplayer/Code/Source/EntityDomains/NullEntityDomain.h
+31
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@@ -0,0 +1,31 @@
/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <Multiplayer/EntityDomains/IEntityDomain.h>
namespace Multiplayer
{
class NullEntityDomain
: public IEntityDomain
{
public:
NullEntityDomain() = default;
NullEntityDomain(const NullEntityDomain& rhs) = default;
//! IEntityDomain overrides.
//! @{
void SetAabb(const AZ::Aabb& aabb) override;
const AZ::Aabb& GetAabb() const override;
bool IsInDomain(const ConstNetworkEntityHandle& entityHandle) const override;
void HandleLossOfAuthoritativeReplicator(const ConstNetworkEntityHandle& entityHandle) override;
void DebugDraw() const override;
//! @}
};
}
Gems/Multiplayer/Code/Source/MultiplayerSystemComponent.cpp
+7 -3
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@@ -13,6 +13,7 @@
#include <ConnectionData/ClientToServerConnectionData.h>
#include <ConnectionData/ServerToClientConnectionData.h>
#include <EntityDomains/FullOwnershipEntityDomain.h>
#include <EntityDomains/NullEntityDomain.h>
#include <ReplicationWindows/NullReplicationWindow.h>
#include <ReplicationWindows/ServerToClientReplicationWindow.h>
#include <Source/AutoGen/AutoComponentTypes.h>
@@ -832,18 +833,21 @@ namespace Multiplayer
if (multiplayerType == MultiplayerAgentType::ClientServer || multiplayerType == MultiplayerAgentType::DedicatedServer)
{
m_spawnNetboundEntities = true;
m_initEvent.Signal(m_networkInterface);
m_initEvent.Signal(m_networkInterface); //< Note! This might initialize our network entity manager for us
if (!m_networkEntityManager.IsInitialized())
{
// Set up a full ownership domain if we didn't construct a domain during the initialize event
const AZ::CVarFixedString serverAddr = cl_serveraddr;
const uint16_t serverPort = cl_serverport;
const AzNetworking::ProtocolType serverProtocol = sv_protocol;
const AzNetworking::IpAddress hostId = AzNetworking::IpAddress(serverAddr.c_str(), serverPort, serverProtocol);
// Set up a full ownership domain if we didn't construct a domain during the initialize event
m_networkEntityManager.Initialize(hostId, AZStd::make_unique<FullOwnershipEntityDomain>());
}
}
else if (multiplayerType == MultiplayerAgentType::Client)
{
m_networkEntityManager.Initialize(AzNetworking::IpAddress(), AZStd::make_unique<NullEntityDomain>());
}
}
m_agentType = multiplayerType;
Gems/Multiplayer/Code/Source/NetworkEntity/NetworkEntityAuthorityTracker.cpp
+11 -10
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@@ -9,6 +9,7 @@
#include <Source/NetworkEntity/NetworkEntityAuthorityTracker.h>
#include <Multiplayer/Components/NetBindComponent.h>
#include <Multiplayer/NetworkEntity/INetworkEntityManager.h>
#include <Multiplayer/EntityDomains/IEntityDomain.h>
#include <AzCore/Console/IConsole.h>
#include <AzCore/Console/ILogger.h>
#include <AzCore/EBus/IEventScheduler.h>
@@ -17,14 +18,20 @@
namespace Multiplayer
{
AZ_CVAR(AZ::TimeMs, net_EntityMigrationTimeoutMs, AZ::TimeMs{ 1000 }, nullptr, AZ::ConsoleFunctorFlags::Null, "Time to wait for a new authority to attach to an entity before we delete the entity");
AZ_CVAR(AZ::TimeMs, net_DefaultEntityMigrationTimeoutMs, AZ::TimeMs{ 1000 }, nullptr, AZ::ConsoleFunctorFlags::Null, "Time to wait for a new authority to attach to an entity before we delete the entity");
NetworkEntityAuthorityTracker::NetworkEntityAuthorityTracker(INetworkEntityManager& networkEntityManager)
: m_networkEntityManager(networkEntityManager)
, m_timeoutTimeMs(net_DefaultEntityMigrationTimeoutMs)
{
;
}
void NetworkEntityAuthorityTracker::SetTimeoutTimeMs(AZ::TimeMs timeoutTimeMs)
{
m_timeoutTimeMs = timeoutTimeMs;
}
bool NetworkEntityAuthorityTracker::AddEntityAuthorityManager(ConstNetworkEntityHandle entityHandle, const HostId& newOwner)
{
bool ret = false;
@@ -92,7 +99,7 @@ namespace Multiplayer
"Trying to add something twice to the timeout map, this is unexpected"
);
m_timeoutDataMap.insert(entityHandle.GetNetEntityId());
AZ::Interface<AZ::IEventScheduler>::Get()->AddCallback([this, netEntityId = entityHandle.GetNetEntityId(), previousOwner]
AZ::Interface<AZ::IEventScheduler>::Get()->AddCallback([this, netEntityId = entityHandle.GetNetEntityId()]
{
auto timeoutData = m_timeoutDataMap.find(netEntityId);
if (timeoutData != m_timeoutDataMap.end())
@@ -109,19 +116,13 @@ namespace Multiplayer
}
if (networkRole != NetEntityRole::Authority)
{
AZLOG_ERROR
(
"Timed out entity id %llu during migration previous owner %s, removing it",
aznumeric_cast<AZ::u64>(entityHandle.GetNetEntityId()),
previousOwner.GetString().c_str()
);
m_networkEntityManager.MarkForRemoval(entityHandle);
m_networkEntityManager.GetEntityDomain()->HandleLossOfAuthoritativeReplicator(entityHandle);
}
}
}
},
AZ::Name("Entity authority removal functor"),
net_EntityMigrationTimeoutMs
m_timeoutTimeMs
);
}
else
Gems/Multiplayer/Code/Source/NetworkEntity/NetworkEntityAuthorityTracker.h
+3
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@@ -23,6 +23,7 @@ namespace Multiplayer
public:
NetworkEntityAuthorityTracker(INetworkEntityManager& networkEntityManager);
void SetTimeoutTimeMs(AZ::TimeMs timeoutTimeMs);
bool DoesEntityHaveOwner(ConstNetworkEntityHandle entityHandle) const;
bool AddEntityAuthorityManager(ConstNetworkEntityHandle entityHandle, const HostId& newOwner);
void RemoveEntityAuthorityManager(ConstNetworkEntityHandle entityHandle, const HostId& previousOwner);
@@ -37,5 +38,7 @@ namespace Multiplayer
TimeoutDataMap m_timeoutDataMap;
EntityAuthorityMap m_entityAuthorityMap;
INetworkEntityManager& m_networkEntityManager;
AZ::TimeMs m_timeoutTimeMs = AZ::TimeMs{ 0 };
};
}
Gems/Multiplayer/Code/Source/NetworkEntity/NetworkEntityManager.cpp
+69 -71
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@@ -28,12 +28,10 @@
namespace Multiplayer
{
AZ_CVAR(bool, net_DebugCheckNetworkEntityManager, false, nullptr, AZ::ConsoleFunctorFlags::Null, "Enables extra debug checks inside the NetworkEntityManager");
AZ_CVAR(AZ::TimeMs, net_EntityDomainUpdateMs, AZ::TimeMs{ 500 }, nullptr, AZ::ConsoleFunctorFlags::Null, "Frequency for updating the entity domain in ms");
NetworkEntityManager::NetworkEntityManager()
: m_networkEntityAuthorityTracker(*this)
, m_removeEntitiesEvent([this] { RemoveEntities(); }, AZ::Name("NetworkEntityManager remove entities event"))
, m_updateEntityDomainEvent([this] { UpdateEntityDomain(); }, AZ::Name("NetworkEntityManager update entity domain event"))
{
AZ::Interface<INetworkEntityManager>::Register(this);
AzFramework::RootSpawnableNotificationBus::Handler::BusConnect();
@@ -63,8 +61,6 @@ namespace Multiplayer
}
m_entityDomain = AZStd::move(entityDomain);
m_updateEntityDomainEvent.Enqueue(net_EntityDomainUpdateMs, true);
m_entityDomain->ActivateTracking(m_ownedEntities);
}
bool NetworkEntityManager::IsInitialized() const
@@ -231,6 +227,74 @@ namespace Multiplayer
m_localDeferredRpcMessages.emplace_back(AZStd::move(message));
}
void NetworkEntityManager::HandleEntitiesExitDomain(const NetEntityIdSet& entitiesNotInDomain)
{
for (NetEntityId exitingId : entitiesNotInDomain)
{
bool safeToExit = true;
NetworkEntityHandle entityHandle = m_networkEntityTracker.Get(exitingId);
// We need special handling for the NetworkHierarchy as well, since related entities need to be migrated together
NetworkHierarchyRootComponentController* hierarchyRootController = entityHandle.FindController<NetworkHierarchyRootComponentController>();
NetworkHierarchyChildComponentController* hierarchyChildController = entityHandle.FindController<NetworkHierarchyChildComponentController>();
// Find the root entity
AZ::Entity* hierarchyRootEntity = nullptr;
if (hierarchyRootController)
{
hierarchyRootEntity = hierarchyRootController->GetParent().GetHierarchicalRoot();
}
else if (hierarchyChildController)
{
hierarchyRootEntity = hierarchyChildController->GetParent().GetHierarchicalRoot();
}
if (hierarchyRootEntity)
{
NetEntityId rootNetId = GetNetEntityIdById(hierarchyRootEntity->GetId());
ConstNetworkEntityHandle rootEntityHandle = GetEntity(rootNetId);
// Check if the root entity is still tracked by this authority
if (rootEntityHandle.Exists() && rootEntityHandle.GetNetBindComponent()->HasController())
{
safeToExit = false;
}
}
// Validate that we aren't already planning to remove this entity
if (safeToExit)
{
for (auto remoteEntityId : m_removeList)
{
if (remoteEntityId == remoteEntityId)
{
safeToExit = false;
}
}
}
if (safeToExit)
{
// Tell all the attached replicators for this entity that it's exited the domain
m_entityExitDomainEvent.Signal(entityHandle);
}
}
}
void NetworkEntityManager::ForceAssumeAuthority(const ConstNetworkEntityHandle& entityHandle)
{
NetBindComponent* netBindComponent = entityHandle.GetNetBindComponent();
if (netBindComponent != nullptr)
{
netBindComponent->ConstructControllers();
}
}
void NetworkEntityManager::SetMigrateTimeoutTimeMs(AZ::TimeMs timeoutTimeMs)
{
m_networkEntityAuthorityTracker.SetTimeoutTimeMs(timeoutTimeMs);
}
void NetworkEntityManager::DebugDraw() const
{
AzFramework::DebugDisplayRequestBus::BusPtr debugDisplayBus;
@@ -243,7 +307,7 @@ namespace Multiplayer
NetBindComponent* netBindComponent = m_networkEntityTracker.GetNetBindComponent(entity);
AZ::Aabb entityBounds = AZ::Interface<AzFramework::IEntityBoundsUnion>::Get()->GetEntityWorldBoundsUnion(entity->GetId());
entityBounds.Expand(AZ::Vector3(0.01f));
if (netBindComponent->GetNetEntityRole() == NetEntityRole::Authority)
if ((netBindComponent != nullptr) && netBindComponent->GetNetEntityRole() == NetEntityRole::Authority)
{
debugDisplay->SetColor(AZ::Colors::Black);
debugDisplay->SetAlpha(0.5f);
@@ -277,77 +341,11 @@ namespace Multiplayer
m_localDeferredRpcMessages.clear();
}
void NetworkEntityManager::UpdateEntityDomain()
{
if (m_entityDomain == nullptr)
{
return;
}
const IEntityDomain::EntitiesNotInDomain& entitiesNotInDomain = m_entityDomain->RetrieveEntitiesNotInDomain();
for (NetEntityId exitingId : entitiesNotInDomain)
{
OnEntityExitDomain(exitingId);
}
}
void NetworkEntityManager::OnEntityExitDomain(NetEntityId entityId)
{
bool safeToExit = true;
NetworkEntityHandle entityHandle = m_networkEntityTracker.Get(entityId);
// We also need special handling for the NetworkHierarchy as well, since related entities need to be migrated together
NetworkHierarchyRootComponentController* hierarchyRootController = entityHandle.FindController<NetworkHierarchyRootComponentController>();
NetworkHierarchyChildComponentController* hierarchyChildController = entityHandle.FindController<NetworkHierarchyChildComponentController>();
// Find the root entity
AZ::Entity* hierarchyRootEntity = nullptr;
if (hierarchyRootController)
{
hierarchyRootEntity = hierarchyRootController->GetParent().GetHierarchicalRoot();
}
else if (hierarchyChildController)
{
hierarchyRootEntity = hierarchyChildController->GetParent().GetHierarchicalRoot();
}
if (hierarchyRootEntity)
{
NetEntityId rootNetId = GetNetEntityIdById(hierarchyRootEntity->GetId());
ConstNetworkEntityHandle rootEntityHandle = GetEntity(rootNetId);
// Check if the root entity is still tracked by this authority
if (rootEntityHandle.Exists() && rootEntityHandle.GetNetBindComponent()->HasController())
{
safeToExit = false;
}
}
// Validate that we aren't already planning to remove this entity
if (safeToExit)
{
for (auto remoteEntityId : m_removeList)
{
if (remoteEntityId == remoteEntityId)
{
safeToExit = false;
}
}
}
if (safeToExit)
{
m_entityExitDomainEvent.Signal(entityHandle);
}
}
void NetworkEntityManager::Reset()
{
m_multiplayerComponentRegistry.Reset();
m_removeList.clear();
m_entityDomain = nullptr;
m_updateEntityDomainEvent.RemoveFromQueue();
m_ownedEntities.clear();
m_entityExitDomainEvent.DisconnectAllHandlers();
m_onEntityMarkedDirty.DisconnectAllHandlers();
m_onEntityNotifyChanges.DisconnectAllHandlers();
Gems/Multiplayer/Code/Source/NetworkEntity/NetworkEntityManager.h
+3 -5
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@@ -79,12 +79,13 @@ namespace Multiplayer
void NotifyControllersActivated(const ConstNetworkEntityHandle& entityHandle, EntityIsMigrating entityIsMigrating) override;
void NotifyControllersDeactivated(const ConstNetworkEntityHandle& entityHandle, EntityIsMigrating entityIsMigrating) override;
void HandleLocalRpcMessage(NetworkEntityRpcMessage& message) override;
void HandleEntitiesExitDomain(const NetEntityIdSet& entitiesNotInDomain) override;
void ForceAssumeAuthority(const ConstNetworkEntityHandle& entityHandle) override;
void SetMigrateTimeoutTimeMs(AZ::TimeMs timeoutTimeMs) override;
void DebugDraw() const override;
//! @}
void DispatchLocalDeferredRpcMessages();
void UpdateEntityDomain();
void OnEntityExitDomain(NetEntityId entityId);
//! RootSpawnableNotificationBus
//! @{
@@ -106,9 +107,6 @@ namespace Multiplayer
AZ::ScheduledEvent m_removeEntitiesEvent;
AZStd::vector<NetEntityId> m_removeList;
AZStd::unique_ptr<IEntityDomain> m_entityDomain;
AZ::ScheduledEvent m_updateEntityDomainEvent;
OwnedEntitySet m_ownedEntities;
EntityExitDomainEvent m_entityExitDomainEvent;
AZ::Event<> m_onEntityMarkedDirty;
Gems/Multiplayer/Code/multiplayer_files.cmake
+2
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@@ -94,6 +94,8 @@ set(FILES
Source/Editor/MultiplayerEditorConnection.h
Source/EntityDomains/FullOwnershipEntityDomain.cpp
Source/EntityDomains/FullOwnershipEntityDomain.h
Source/EntityDomains/NullEntityDomain.cpp
Source/EntityDomains/NullEntityDomain.h
Source/MultiplayerStats.cpp
Source/MultiplayerSystemComponent.cpp
Source/MultiplayerSystemComponent.h