public static TextureEntryFace FromLLSD(LLSD llsd, TextureEntryFace defaultFace, out int faceNumber)
{
LLSDMap map = (LLSDMap)llsd;
TextureEntryFace face = new TextureEntryFace(defaultFace);
faceNumber = (map.ContainsKey("face_number")) ? map["face_number"].AsInteger() : -1;
LLColor rgba = face.RGBA;
rgba.FromLLSD(map["colors"]);
face.RGBA = rgba;
face.RepeatU = (float)map["scales"].AsReal();
face.RepeatV = (float)map["scalet"].AsReal();
face.OffsetU = (float)map["offsets"].AsReal();
face.OffsetV = (float)map["offsett"].AsReal();
face.Rotation = (float)map["imagerot"].AsReal();
face.Bump = (Bumpiness)map["bump"].AsInteger();
face.Shiny = (Shininess)map["shiny"].AsInteger();
face.Fullbright = map["fullbright"].AsBoolean();
face.MediaFlags = map["media_flags"].AsBoolean();
face.TexMapType = (MappingType)map["mapping"].AsInteger();
face.Glow = (float)map["glow"].AsReal();
face.TextureID = map["imageid"].AsUUID();
return(face);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public byte[] GetBytes()
{
byte[] data = new byte[16];
// Alpha channel in color is intensity
LLColor tmpColor = Color;
tmpColor.A = Intensity;
tmpColor.GetBytes().CopyTo(data, 0);
Helpers.FloatToBytes(Radius).CopyTo(data, 4);
Helpers.FloatToBytes(Cutoff).CopyTo(data, 8);
Helpers.FloatToBytes(Falloff).CopyTo(data, 12);
return(data);
}
public static LightData FromLLSD(LLSD llsd)
{
LightData light = new LightData();
if (llsd.Type == LLSDType.Map)
{
LLSDMap map = (LLSDMap)llsd;
light.Color = LLColor.FromLLSD(map["color"]);
light.Intensity = (float)map["intensity"].AsReal();
light.Radius = (float)map["radius"].AsReal();
light.Cutoff = (float)map["cutoff"].AsReal();
light.Falloff = (float)map["falloff"].AsReal();
}
return(light);
}
/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <param name="pos"></param>
public LightData(byte[] data, int pos)
{
if (data.Length - pos >= 16)
{
Color = new LLColor(data, pos, false);
Radius = Helpers.BytesToFloat(data, pos + 4);
Cutoff = Helpers.BytesToFloat(data, pos + 8);
Falloff = Helpers.BytesToFloat(data, pos + 12);
// Alpha in color is actually intensity
Intensity = Color.A;
Color.A = 1f;
}
else
{
Color = LLColor.Black;
Radius = 0f;
Cutoff = 0f;
Falloff = 0f;
Intensity = 0f;
}
}
private void FromBytes(byte[] data, int pos, int length)
{
if (length <= 0)
{
// No TextureEntry to process
DefaultTexture = null;
return;
}
else
{
DefaultTexture = new TextureEntryFace(null);
}
uint bitfieldSize = 0;
uint faceBits = 0;
int i = pos;
#region Texture
DefaultTexture.TextureID = new LLUUID(data, i);
i += 16;
while (ReadFaceBitfield(data, ref i, ref faceBits, ref bitfieldSize))
{
LLUUID tmpUUID = new LLUUID(data, i);
i += 16;
for (uint face = 0, bit = 1; face < bitfieldSize; face++, bit <<= 1)
{
if ((faceBits & bit) != 0)
{
CreateFace(face).TextureID = tmpUUID;
}
}
}
#endregion Texture
#region Color
DefaultTexture.RGBA = new LLColor(data[i], data[i + 1], data[i + 2], data[i + 3]);
i += 4;
while (ReadFaceBitfield(data, ref i, ref faceBits, ref bitfieldSize))
{
LLColor tmpColor = new LLColor(data[i], data[i + 1], data[i + 2], data[i + 3]);
i += 4;
for (uint face = 0, bit = 1; face < bitfieldSize; face++, bit <<= 1)
{
if ((faceBits & bit) != 0)
{
CreateFace(face).RGBA = tmpColor;
}
}
}
#endregion Color
#region RepeatU
DefaultTexture.RepeatU = Helpers.BytesToFloat(data, i);
i += 4;
while (ReadFaceBitfield(data, ref i, ref faceBits, ref bitfieldSize))
{
float tmpFloat = Helpers.BytesToFloat(data, i);
i += 4;
for (uint face = 0, bit = 1; face < bitfieldSize; face++, bit <<= 1)
{
if ((faceBits & bit) != 0)
{
CreateFace(face).RepeatU = tmpFloat;
}
}
}
#endregion RepeatU
#region RepeatV
DefaultTexture.RepeatV = Helpers.BytesToFloat(data, i);
i += 4;
while (ReadFaceBitfield(data, ref i, ref faceBits, ref bitfieldSize))
{
float tmpFloat = Helpers.BytesToFloat(data, i);
i += 4;
for (uint face = 0, bit = 1; face < bitfieldSize; face++, bit <<= 1)
{
if ((faceBits & bit) != 0)
{
CreateFace(face).RepeatV = tmpFloat;
}
}
}
#endregion RepeatV
#region OffsetU
DefaultTexture.OffsetU = Helpers.TEOffsetFloat(data, i);
i += 2;
while (ReadFaceBitfield(data, ref i, ref faceBits, ref bitfieldSize))
{
float tmpFloat = Helpers.TEOffsetFloat(data, i);
i += 2;
for (uint face = 0, bit = 1; face < bitfieldSize; face++, bit <<= 1)
{
if ((faceBits & bit) != 0)
{
CreateFace(face).OffsetU = tmpFloat;
}
}
}
#endregion OffsetU
#region OffsetV
DefaultTexture.OffsetV = Helpers.TEOffsetFloat(data, i);
i += 2;
while (ReadFaceBitfield(data, ref i, ref faceBits, ref bitfieldSize))
{
float tmpFloat = Helpers.TEOffsetFloat(data, i);
i += 2;
for (uint face = 0, bit = 1; face < bitfieldSize; face++, bit <<= 1)
{
if ((faceBits & bit) != 0)
{
CreateFace(face).OffsetV = tmpFloat;
}
}
}
#endregion OffsetV
#region Rotation
DefaultTexture.Rotation = Helpers.TERotationFloat(data, i);
i += 2;
while (ReadFaceBitfield(data, ref i, ref faceBits, ref bitfieldSize))
{
float tmpFloat = Helpers.TERotationFloat(data, i);
i += 2;
for (uint face = 0, bit = 1; face < bitfieldSize; face++, bit <<= 1)
{
if ((faceBits & bit) != 0)
{
CreateFace(face).Rotation = tmpFloat;
}
}
}
#endregion Rotation
#region Material
DefaultTexture.material = data[i];
i++;
while (ReadFaceBitfield(data, ref i, ref faceBits, ref bitfieldSize))
{
byte tmpByte = data[i];
i++;
for (uint face = 0, bit = 1; face < bitfieldSize; face++, bit <<= 1)
{
if ((faceBits & bit) != 0)
{
CreateFace(face).material = tmpByte;
}
}
}
#endregion Material
#region Media
DefaultTexture.media = data[i];
i++;
while (i - pos < length && ReadFaceBitfield(data, ref i, ref faceBits, ref bitfieldSize))
{
byte tmpByte = data[i];
i++;
for (uint face = 0, bit = 1; face < bitfieldSize; face++, bit <<= 1)
{
if ((faceBits & bit) != 0)
{
CreateFace(face).media = tmpByte;
}
}
}
#endregion Media
#region Glow
DefaultTexture.Glow = Helpers.TEGlowFloat(data, i);
i++;
while (ReadFaceBitfield(data, ref i, ref faceBits, ref bitfieldSize))
{
float tmpFloat = Helpers.TEGlowFloat(data, i);
i++;
for (uint face = 0, bit = 1; face < bitfieldSize; face++, bit <<= 1)
{
if ((faceBits & bit) != 0)
{
CreateFace(face).Glow = tmpFloat;
}
}
}
#endregion Glow
}
/// <summary>
///
/// </summary>
/// <param name="data"></param>
public void PackColor(LLColor data)
{
byte[] bytes = data.GetBytes();
PackBitArray(bytes, 32);
}
/// <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 LLVector3(x, y, z);
x = pack.UnpackFixed(true, 8, 7);
y = pack.UnpackFixed(true, 8, 7);
z = pack.UnpackFixed(true, 8, 7);
PartAcceleration = new LLVector3(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 LLColor(r, g, b, a);
r = pack.UnpackByte();
g = pack.UnpackByte();
b = pack.UnpackByte();
a = pack.UnpackByte();
PartEndColor = new LLColor(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 = LLVector3.Zero;
Texture = Target = LLUUID.Zero;
PartDataFlags = ParticleDataFlags.None;
PartMaxAge = 0.0f;
PartStartColor = PartEndColor = LLColor.Black;
PartStartScaleX = PartStartScaleY = PartEndScaleX = PartEndScaleY = 0.0f;
}
}
