void PackLegacyData(ref BitPack pack)
{
pack.PackBitsFromUInt((uint)PartDataFlags);
pack.PackFixed(PartMaxAge, false, 8, 8);
pack.PackColor(PartStartColor);
pack.PackColor(PartEndColor);
pack.PackFixed(PartStartScaleX, false, 3, 5);
pack.PackFixed(PartStartScaleY, false, 3, 5);
pack.PackFixed(PartEndScaleX, false, 3, 5);
pack.PackFixed(PartEndScaleY, false, 3, 5);
}
void PackSystemBytes(ref BitPack pack)
{
pack.PackBitsFromUInt(CRC);
pack.PackBitsFromUInt(PartFlags);
pack.PackBitsFromByte((byte)Pattern);
pack.PackFixed(MaxAge, false, 8, 8);
pack.PackFixed(StartAge, false, 8, 8);
pack.PackFixed(InnerAngle, false, 3, 5);
pack.PackFixed(OuterAngle, false, 3, 5);
pack.PackFixed(BurstRate, false, 8, 8);
pack.PackFixed(BurstRadius, false, 8, 8);
pack.PackFixed(BurstSpeedMin, false, 8, 8);
pack.PackFixed(BurstSpeedMax, false, 8, 8);
pack.PackBitsFromByte(BurstPartCount);
pack.PackFixed(AngularVelocity.X, true, 8, 7);
pack.PackFixed(AngularVelocity.Y, true, 8, 7);
pack.PackFixed(AngularVelocity.Z, true, 8, 7);
pack.PackFixed(PartAcceleration.X, true, 8, 7);
pack.PackFixed(PartAcceleration.Y, true, 8, 7);
pack.PackFixed(PartAcceleration.Z, true, 8, 7);
pack.PackUUID(Texture);
pack.PackUUID(Target);
}
/// <summary>
/// Generate byte[] array from particle data
/// </summary>
/// <returns>Byte array</returns>
public byte[] GetBytes()
{
int size = LegacyDataBlockSize;
if (!IsLegacyCompatible())
{
size += 8; // two new ints for size
}
if (HasGlow())
{
size += 2; // two bytes for start and end glow
}
if (HasBlendFunc())
{
size += 2; // two bytes for start end end blend function
}
byte[] bytes = new byte[size];
BitPack pack = new BitPack(bytes, 0);
if (IsLegacyCompatible())
{
PackSystemBytes(ref pack);
PackLegacyData(ref pack);
}
else
{
if (HasGlow())
{
PartDataFlags |= ParticleDataFlags.DataGlow;
}
if (HasBlendFunc())
{
PartDataFlags |= ParticleDataFlags.DataBlend;
}
pack.PackBitsFromUInt((uint)SysDataSize);
PackSystemBytes(ref pack);
int partSize = PartDataSize;
if (HasGlow())
{
partSize += 2; // two bytes for start and end glow
}
if (HasBlendFunc())
{
partSize += 2; // two bytes for start end end blend function
}
pack.PackBitsFromUInt((uint)partSize);
PackLegacyData(ref pack);
if (HasGlow())
{
pack.PackBitsFromByte((byte)(PartStartGlow * 255f));
pack.PackBitsFromByte((byte)(PartEndGlow * 255f));
}
if (HasBlendFunc())
{
pack.PackBitsFromByte(BlendFuncSource);
pack.PackBitsFromByte(BlendFuncDest);
}
}
return(bytes);
}