/// <summary>
/// see https://github.com/EpicGames/UnrealEngine/blob/c10022aa46e208b1593dd537c2607784aac158f1/Engine/Source/Runtime/Engine/Private/Collision/Collision.cpp#L42
/// </summary>
/// <param name="reader"></param>
public void Serialize(NetBitReader reader)
{
// pack bitfield with flags
// Most of the time the vectors are the same values, use that as an optimization
BlockingHit = reader.ReadBit();
StartPenetrating = reader.ReadBit();
var bImpactPointEqualsLocation = reader.ReadBit();
var bImpactNormalEqualsNormal = reader.ReadBit();
// Often times the indexes are invalid, use that as an optimization
var bInvalidItem = reader.ReadBit();
var bInvalidFaceIndex = reader.ReadBit();
var bNoPenetrationDepth = reader.ReadBit();
var bInvalidElementIndex = reader.EngineNetworkVersion >= EngineNetworkVersionHistory.HISTORY_ENUM_SERIALIZATION_COMPAT && reader.ReadBit();
Time = reader.ReadSingle();
Location = reader.ReadPackedVector(1, 20);
Normal = reader.SerializePropertyVectorNormal();
ImpactPoint = !bImpactPointEqualsLocation?reader.ReadPackedVector(1, 20) : Location;
ImpactNormal = !bImpactNormalEqualsNormal?reader.SerializePropertyVectorNormal() : Normal;
TraceStart = reader.ReadPackedVector(1, 20);
TraceEnd = reader.ReadPackedVector(1, 20);
PenetrationDepth = !bNoPenetrationDepth?reader.SerializePropertyFloat() : 0.0f;
Distance = (ImpactPoint - TraceStart).Size();
Item = !bInvalidItem?reader.ReadInt32() : 0;
PhysMaterial = reader.SerializePropertyObject();
if (reader.EngineNetworkVersion < EngineNetworkVersionHistory.HISTORY_HITRESULT_INSTANCEHANDLE)
{
Actor = reader.SerializePropertyObject();
}
else
{
Actor = reader.SerializePropertyObject();
// see https://github.com/EpicGames/UnrealEngine/blob/4564529ed77196caada6971f5de1be829900b9e1/Engine/Source/Runtime/Engine/Private/EngineTypes.cpp#L558
//Ar << Handle.Actor;
//Ar << Handle.Manager;
//Ar << Handle.InstanceIndex;
}
Component = reader.SerializePropertyObject();
BoneName = reader.SerializePropertyName();
FaceIndex = !bInvalidFaceIndex?reader.ReadInt32() : 0;
ElementIndex = !bInvalidElementIndex && reader.EngineNetworkVersion >= EngineNetworkVersionHistory.HISTORY_ENUM_SERIALIZATION_COMPAT ? reader.ReadByte() : new byte();
}
private FVector AsVector(VectorType type)
{
_reader.Reset();
FVector tVector = null;
switch (type)
{
case VectorType.Normal:
tVector = _reader.SerializePropertyVectorNormal();
break;
case VectorType.Vector10:
tVector = _reader.SerializePropertyVector10();
break;
case VectorType.Vector100:
tVector = _reader.SerializePropertyVector100();
break;
case VectorType.Quantize:
tVector = _reader.SerializePropertyQuantizedVector();
break;
}
if (_reader.IsError || !_reader.AtEnd())
{
return(null);
}
return(tVector);
}
private FVector AsVector(VectorType type)
{
_reader.Reset();
FVector tVector = type switch
{
VectorType.Normal => _reader.SerializePropertyVectorNormal(),
VectorType.Vector10 => _reader.SerializePropertyVector10(),
VectorType.Vector100 => _reader.SerializePropertyVector100(),
VectorType.Quantize => _reader.SerializePropertyQuantizedVector(),
_ => null
};
if (_reader.IsError || !_reader.AtEnd())
{
return(null);
}
return(tVector);
}
/// <summary>
/// see https://github.com/EpicGames/UnrealEngine/blob/6c20d9831a968ad3cb156442bebb41a883e62152/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Private/GameplayEffectTypes.cpp#L789
/// </summary>
/// <param name="reader"></param>
public void Serialize(NetBitReader reader)
{
const byte NUM_LEVEL_BITS = 5; // need to bump this up to support 20 levels for AbilityLevel
// const byte MAX_LEVEL = (1 << NUM_LEVEL_BITS) - 1;
var RepBits = reader.ReadBitsToInt((int)RepFlag.REP_MAX);
// Tag containers serialize empty containers with 1 bit, so no need to serialize this in the RepBits field.
AggregatedSourceTags.Serialize(reader);
AggregatedTargetTags.Serialize(reader);
if ((RepBits & (1 << (int)RepFlag.REP_NormalizedMagnitude)) > 0)
{
NormalizedMagnitude = reader.ReadSingle();
}
if ((RepBits & (1 << (int)RepFlag.REP_RawMagnitude)) > 0)
{
RawMagnitude = reader.ReadSingle();
}
if ((RepBits & (1 << (int)RepFlag.REP_EffectContext)) > 0)
{
// FGameplayEffectContextHandle
if (reader.ReadBit())
{
var handle = new FGameplayEffectContextHandle();
handle.Serialize(reader);
}
}
if ((RepBits & (1 << (int)RepFlag.REP_Location)) > 0)
{
Location = reader.SerializePropertyVector10();
}
if ((RepBits & (1 << (int)RepFlag.REP_Normal)) > 0)
{
Normal = reader.SerializePropertyVectorNormal();
}
if ((RepBits & (1 << (int)RepFlag.REP_Instigator)) > 0)
{
Instigator = reader.ReadIntPacked();
}
if ((RepBits & (1 << (int)RepFlag.REP_EffectCauser)) > 0)
{
EffectCauser = reader.ReadIntPacked();
}
if ((RepBits & (1 << (int)RepFlag.REP_SourceObject)) > 0)
{
SourceObject = reader.ReadIntPacked();
}
if ((RepBits & (1 << (int)RepFlag.REP_TargetAttachComponent)) > 0)
{
TargetAttachComponent = reader.ReadIntPacked();
}
if ((RepBits & (1 << (int)RepFlag.REP_PhysMaterial)) > 0)
{
PhysicalMaterial = reader.ReadIntPacked();
}
if ((RepBits & (1 << (int)RepFlag.REP_GELevel)) > 0)
{
GameplayEffectLevel = reader.ReadBitsToInt(NUM_LEVEL_BITS);
}
if ((RepBits & (1 << (int)RepFlag.REP_AbilityLevel)) > 0)
{
AbilityLevel = reader.ReadBitsToInt(NUM_LEVEL_BITS);
}
}
/// <summary>
/// see https://github.com/EpicGames/UnrealEngine/blob/c10022aa46e208b1593dd537c2607784aac158f1/Engine/Source/Runtime/Engine/Private/Collision/Collision.cpp#L42
/// </summary>
/// <param name="reader"></param>
public void Serialize(NetBitReader reader)
{
// pack bitfield with flags
var flags = reader.ReadBits(7);
// Most of the time the vectors are the same values, use that as an optimization
BlockingHit = flags[0];
StartPenetrating = flags[1];
bool bImpactPointEqualsLocation = flags[2];
bool bImpactNormalEqualsNormal = flags[3];
// Often times the indexes are invalid, use that as an optimization
bool bInvalidItem = flags[4];
bool bInvalidFaceIndex = flags[5];
bool bNoPenetrationDepth = flags[6];
Time = reader.ReadSingle();
Location = reader.ReadPackedVector(1, 20);
Normal = reader.SerializePropertyVectorNormal();
if (!bImpactPointEqualsLocation)
{
ImpactPoint = reader.ReadPackedVector(1, 20);
}
else
{
ImpactPoint = Location;
}
if (!bImpactNormalEqualsNormal)
{
ImpactNormal = reader.SerializePropertyVectorNormal();
}
else
{
ImpactNormal = Normal;
}
TraceStart = reader.ReadPackedVector(1, 20);
TraceEnd = reader.ReadPackedVector(1, 20);
if (!bNoPenetrationDepth)
{
PenetrationDepth = reader.SerializePropertyFloat();
}
else
{
PenetrationDepth = 0.0f;
}
Distance = (ImpactPoint - TraceStart).Size();
if (!bInvalidItem)
{
Item = reader.ReadInt32();
}
else
{
Item = 0;
}
PhysMaterial = reader.SerializePropertyObject();
Actor = reader.SerializePropertyObject();
Component = reader.SerializePropertyObject();
BoneName = reader.SerializePropertyName();
if (!bInvalidFaceIndex)
{
FaceIndex = reader.ReadInt32();
}
else
{
FaceIndex = 0;
}
}
public void Serialize(NetBitReader reader)
{
return;
bool[] flags = reader.ReadBits(7);
BlockingHit = flags[6];
StartPenetrating = flags[5];
bool impactPointEqualsLocation = flags[4];
bool impactNormalEqualsNormal = flags[3];
bool invalidItem = flags[2];
bool invalidFaceIndex = flags[1];
bool noPenetrationDepth = flags[0];
Time = reader.ReadSingle();
Location = reader.SerializePropertyQuantizeVector();
Normal = reader.SerializePropertyVectorNormal();
if (!impactPointEqualsLocation)
{
ImpactPoint = reader.SerializePropertyQuantizeVector();
}
else
{
ImpactPoint = Location;
}
if (!impactNormalEqualsNormal)
{
ImpactNormal = reader.SerializePropertyVectorNormal();
}
else
{
ImpactNormal = Normal;
}
TraceStart = reader.SerializePropertyQuantizeVector();
TraceEnd = reader.SerializePropertyQuantizeVector();
if (!noPenetrationDepth)
{
PenetrationDepth = reader.SerializePropertyFloat();
}
else
{
PenetrationDepth = 0;
}
Distance = (ImpactPoint - TraceStart).Size();
if (!invalidItem)
{
Item = reader.ReadBitsToInt(32);
}
else
{
Item = -1;
}
PhysMaterial = reader.SerializePropertyUInt16();
Actor = reader.SerializePropertyUInt16();
Component = reader.SerializePropertyUInt16();
BoneName = reader.ReadFString();
if (!invalidFaceIndex)
{
FaceIndex = reader.ReadBitsToInt(32);
}
else
{
FaceIndex = -1;
}
}