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Adding rewindable mechanisms to support interpolation

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Signed-off-by: puvvadar <puvvadar@amazon.com>
This commit is contained in:
puvvadar
2021-07-22 13:49:05 -07:00
parent 69d5f64bb7
commit b55bad496d
10 changed files with 57 additions and 19 deletions
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Gems/Multiplayer/Code/Source/NetworkTime/NetworkTime.cpp
+11
View File
@@ -54,6 +54,11 @@ namespace Multiplayer
return m_hostTimeMs;
}
float NetworkTime::GetHostBlendFactor() const
{
return m_hostBlendFactor;
}
AzNetworking::ConnectionId NetworkTime::GetRewindingConnectionId() const
{
return m_rewindingConnectionId;
@@ -71,6 +76,11 @@ namespace Multiplayer
m_rewindingConnectionId = rewindConnectionId;
}
void NetworkTime::AlterBlendFactor(float blendFactor)
{
m_hostBlendFactor = blendFactor;
}
void NetworkTime::SyncEntitiesToRewindState(const AZ::Aabb& rewindVolume)
{
// Since the vis system doesn't support rewound queries, first query with an expanded volume to catch any fast moving entities
@@ -94,6 +104,7 @@ namespace Multiplayer
if (networkTransform != nullptr)
{
// We're not presently factoring in interpolated position here
const AZ::Vector3 rewindCenter = networkTransform->GetTranslation(); // Get the rewound position
const AZ::Vector3 rewindOffset = rewindCenter - currentCenter; // Compute offset between rewound and current positions
const AZ::Aabb rewoundAabb = currentBounds.GetTranslated(rewindOffset); // Apply offset to the entity aabb
Gems/Multiplayer/Code/Source/NetworkTime/NetworkTime.h
+3
View File
@@ -29,9 +29,11 @@ namespace Multiplayer
HostFrameId GetUnalteredHostFrameId() const override;
void IncrementHostFrameId() override;
AZ::TimeMs GetHostTimeMs() const override;
float GetHostBlendFactor() const override;
AzNetworking::ConnectionId GetRewindingConnectionId() const override;
HostFrameId GetHostFrameIdForRewindingConnection(AzNetworking::ConnectionId rewindConnectionId) const override;
void AlterTime(HostFrameId frameId, AZ::TimeMs timeMs, AzNetworking::ConnectionId rewindConnectionId) override;
void AlterBlendFactor(float blendFactor) override;
void SyncEntitiesToRewindState(const AZ::Aabb& rewindVolume) override;
void ClearRewoundEntities() override;
//! @}
@@ -43,6 +45,7 @@ namespace Multiplayer
HostFrameId m_hostFrameId = HostFrameId{ 0 };
HostFrameId m_unalteredFrameId = HostFrameId{ 0 };
AZ::TimeMs m_hostTimeMs = AZ::TimeMs{ 0 };
float m_hostBlendFactor = DefaultBlendFactor;
AzNetworking::ConnectionId m_rewindingConnectionId = AzNetworking::InvalidConnectionId;
};
}