public int readblock(byte[] blockdata, int offset)
{
BitPack input = new BitPack(blockdata, offset);
mLocation = input.UnpackInt();
mLength = input.UnpackInt();
mAccessTime = input.UnpackInt();
mFileID = input.UnpackUUID();
int filetype = input.UnpackShort();
mAssetType = (AssetType)filetype;
mSize = input.UnpackInt();
offset += 34;
Logger.Log(String.Format("Found header for {0} type {1} length {2} at {3}", mFileID, mAssetType, mSize, mLocation), Helpers.LogLevel.Info);
return offset;
}
/// <summary>
/// Decodes a byte[] array into a ParticleSystem Object
/// </summary>
/// <param name="data">ParticleSystem object</param>
/// <param name="pos">Start position for BitPacker</param>
public ParticleSystem(byte[] data, int pos)
{
// TODO: Not sure exactly how many bytes we need here, so partial
// (truncated) data will cause an exception to be thrown
if (data.Length > 0)
{
BitPack pack = new BitPack(data, pos);
CRC = pack.UnpackUBits(32);
PartFlags = pack.UnpackUBits(32);
Pattern = (SourcePattern)pack.UnpackByte();
MaxAge = pack.UnpackFixed(false, 8, 8);
StartAge = pack.UnpackFixed(false, 8, 8);
InnerAngle = pack.UnpackFixed(false, 3, 5);
OuterAngle = pack.UnpackFixed(false, 3, 5);
BurstRate = pack.UnpackFixed(false, 8, 8);
BurstRadius = pack.UnpackFixed(false, 8, 8);
BurstSpeedMin = pack.UnpackFixed(false, 8, 8);
BurstSpeedMax = pack.UnpackFixed(false, 8, 8);
BurstPartCount = pack.UnpackByte();
float x = pack.UnpackFixed(true, 8, 7);
float y = pack.UnpackFixed(true, 8, 7);
float z = pack.UnpackFixed(true, 8, 7);
AngularVelocity = new Vector3(x, y, z);
x = pack.UnpackFixed(true, 8, 7);
y = pack.UnpackFixed(true, 8, 7);
z = pack.UnpackFixed(true, 8, 7);
PartAcceleration = new Vector3(x, y, z);
Texture = pack.UnpackUUID();
Target = pack.UnpackUUID();
PartDataFlags = (ParticleDataFlags)pack.UnpackUBits(32);
PartMaxAge = pack.UnpackFixed(false, 8, 8);
byte r = pack.UnpackByte();
byte g = pack.UnpackByte();
byte b = pack.UnpackByte();
byte a = pack.UnpackByte();
PartStartColor = new Color4(r, g, b, a);
r = pack.UnpackByte();
g = pack.UnpackByte();
b = pack.UnpackByte();
a = pack.UnpackByte();
PartEndColor = new Color4(r, g, b, a);
PartStartScaleX = pack.UnpackFixed(false, 3, 5);
PartStartScaleY = pack.UnpackFixed(false, 3, 5);
PartEndScaleX = pack.UnpackFixed(false, 3, 5);
PartEndScaleY = pack.UnpackFixed(false, 3, 5);
}
else
{
CRC = PartFlags = 0;
Pattern = SourcePattern.None;
MaxAge = StartAge = InnerAngle = OuterAngle = BurstRate = BurstRadius = BurstSpeedMin =
BurstSpeedMax = 0.0f;
BurstPartCount = 0;
AngularVelocity = PartAcceleration = Vector3.Zero;
Texture = Target = UUID.Zero;
PartDataFlags = ParticleDataFlags.None;
PartMaxAge = 0.0f;
PartStartColor = PartEndColor = Color4.Black;
PartStartScaleX = PartStartScaleY = PartEndScaleX = PartEndScaleY = 0.0f;
}
}
void UnpackSystem(ref BitPack pack)
{
CRC = pack.UnpackUBits(32);
PartFlags = pack.UnpackUBits(32);
Pattern = (SourcePattern)pack.UnpackByte();
MaxAge = pack.UnpackFixed(false, 8, 8);
StartAge = pack.UnpackFixed(false, 8, 8);
InnerAngle = pack.UnpackFixed(false, 3, 5);
OuterAngle = pack.UnpackFixed(false, 3, 5);
BurstRate = pack.UnpackFixed(false, 8, 8);
BurstRadius = pack.UnpackFixed(false, 8, 8);
BurstSpeedMin = pack.UnpackFixed(false, 8, 8);
BurstSpeedMax = pack.UnpackFixed(false, 8, 8);
BurstPartCount = pack.UnpackByte();
float x = pack.UnpackFixed(true, 8, 7);
float y = pack.UnpackFixed(true, 8, 7);
float z = pack.UnpackFixed(true, 8, 7);
AngularVelocity = new Vector3(x, y, z);
x = pack.UnpackFixed(true, 8, 7);
y = pack.UnpackFixed(true, 8, 7);
z = pack.UnpackFixed(true, 8, 7);
PartAcceleration = new Vector3(x, y, z);
Texture = pack.UnpackUUID();
Target = pack.UnpackUUID();
}