private void UnpackLegacyData(BitPacker pack)
{
PartDataFlags = (ParticleDataFlags)pack.UnpackUnsignedBits(32);
PartMaxAge = pack.UnpackFixed(false, 8, 8);
PartStartColor = pack.ColorValue;
PartEndColor = pack.ColorValue;
PartStartScaleX = pack.UnpackFixed(false, 3, 5);
PartStartScaleY = pack.UnpackFixed(false, 3, 5);
PartEndScaleX = pack.UnpackFixed(false, 3, 5);
PartEndScaleY = pack.UnpackFixed(false, 3, 5);
}
void UnpackLegacyData(ref BitPack pack)
{
PartDataFlags = (ParticleDataFlags)pack.UnpackUInt();
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);
}
/// <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;
}
}
/// <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 UnpackLegacyData(ref BitPack pack)
{
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);
}
/// <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.PackBits(SysDataSize, 32);
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.PackBits(partSize, 32);
PackLegacyData(ref pack);
if (HasGlow())
{
pack.PackBits((byte)(PartStartGlow * 255f), 8);
pack.PackBits((byte)(PartEndGlow * 255f), 8);
}
if (HasBlendFunc())
{
pack.PackBits(BlendFuncSource, 8);
pack.PackBits(BlendFuncDest, 8);
}
}
return bytes;
}
/// <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)
{
PartStartGlow = 0f;
PartEndGlow = 0f;
BlendFuncSource = (byte)BlendFunc.SourceAlpha;
BlendFuncDest = (byte)BlendFunc.OneMinusSourceAlpha;
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;
int size = data.Length - pos;
BitPack pack = new BitPack(data, pos);
if (size == LegacyDataBlockSize)
{
UnpackSystem(ref pack);
UnpackLegacyData(ref pack);
}
else if (size > LegacyDataBlockSize && size <= MaxDataBlockSize)
{
int sysSize = pack.UnpackBits(32);
if (sysSize != SysDataSize) return; // unkown particle system data size
UnpackSystem(ref pack);
int dataSize = pack.UnpackBits(32);
UnpackLegacyData(ref pack);
if ((PartDataFlags & ParticleDataFlags.DataGlow) == ParticleDataFlags.DataGlow)
{
if (pack.Data.Length - pack.BytePos < 2) return;
uint glow = pack.UnpackUBits(8);
PartStartGlow = glow / 255f;
glow = pack.UnpackUBits(8);
PartEndGlow = glow / 255f;
}
if ((PartDataFlags & ParticleDataFlags.DataBlend) == ParticleDataFlags.DataBlend)
{
if (pack.Data.Length - pack.BytePos < 2) return;
BlendFuncSource = (byte)pack.UnpackUBits(8);
BlendFuncDest = (byte)pack.UnpackUBits(8);
}
}
}
/// <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);
}
/// <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)
{
PartStartGlow = 0f;
PartEndGlow = 0f;
BlendFuncSource = (byte)BlendFunc.SourceAlpha;
BlendFuncDest = (byte)BlendFunc.OneMinusSourceAlpha;
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;
int size = data.Length - pos;
BitPack pack = new BitPack(data, pos);
if (size == LegacyDataBlockSize)
{
UnpackSystem(ref pack);
UnpackLegacyData(ref pack);
}
else if (size > LegacyDataBlockSize && size <= MaxDataBlockSize)
{
int sysSize = pack.UnpackInt();
if (sysSize != SysDataSize)
{
return; // unkown particle system data size
}
UnpackSystem(ref pack);
int dataSize = pack.UnpackInt();
UnpackLegacyData(ref pack);
if ((PartDataFlags & ParticleDataFlags.DataGlow) == ParticleDataFlags.DataGlow)
{
if (pack.Data.Length - pack.BytePos < 2)
{
return;
}
uint glow = pack.UnpackByte();
PartStartGlow = glow / 255f;
glow = pack.UnpackByte();
PartEndGlow = glow / 255f;
}
if ((PartDataFlags & ParticleDataFlags.DataBlend) == ParticleDataFlags.DataBlend)
{
if (pack.Data.Length - pack.BytePos < 2)
{
return;
}
BlendFuncSource = pack.UnpackByte();
BlendFuncDest = pack.UnpackByte();
}
}
}
/// <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
}
var bytes = new byte[size];
var pack = new BitPacker(bytes, 0);
if (IsLegacyCompatible())
{
PackSystemBytes(pack);
PackLegacyData(pack);
}
else
{
if (HasGlow())
{
PartDataFlags |= ParticleDataFlags.DataGlow;
}
if (HasBlendFunc())
{
PartDataFlags |= ParticleDataFlags.DataBlend;
}
pack.PackBits(SysDataSize, 32);
PackSystemBytes(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.PackBits(partSize, 32);
PackLegacyData(pack);
if (HasGlow())
{
pack.PackBits((byte)(PartStartGlow * 255f), 8);
pack.PackBits((byte)(PartEndGlow * 255f), 8);
}
if (HasBlendFunc())
{
pack.PackBits((byte)BlendFuncSource, 8);
pack.PackBits((byte)BlendFuncDest, 8);
}
}
return(bytes);
}
