public Color[] ReadColor() {
if (!ValidateAccessorTypeAny(type, AccessorType.VEC3, AccessorType.VEC4)) return new Color[count];
Func<BufferedBinaryReader, float> floatReader = GetFloatReader(componentType);
Color[] c = new Color[count];
if (bufferView != null) {
BufferedBinaryReader reader = new BufferedBinaryReader(bufferView.stream, 1024);
reader.Position = bufferView.byteOffset + byteOffset;
int byteSkip = byteStride.HasValue ? byteStride.Value - GetComponentSize() : 0;
if (type == AccessorType.VEC3) {
for (int i = 0; i < count; i++) {
c[i].r = floatReader(reader);
c[i].g = floatReader(reader);
c[i].b = floatReader(reader);
reader.Skip(byteSkip);
}
} else if (type == AccessorType.VEC4) {
for (int i = 0; i < count; i++) {
c[i].r = floatReader(reader);
c[i].g = floatReader(reader);
c[i].b = floatReader(reader);
c[i].a = floatReader(reader);
reader.Skip(byteSkip);
}
}
}
if (sparse != null) {
Func<BufferedBinaryReader, int> indexIntReader = GetIntReader(sparse.indices.componentType);
BufferedBinaryReader indexReader = new BufferedBinaryReader(sparse.indices.bufferView.stream, 1024);
indexReader.Position = sparse.indices.bufferView.byteOffset + sparse.indices.byteOffset;
int[] indices = new int[sparse.count];
for (int i = 0; i < sparse.count; i++) {
indices[i] = indexIntReader(indexReader);
}
BufferedBinaryReader valueReader = new BufferedBinaryReader(sparse.values.bufferView.stream, 1024);
indexReader.Position = sparse.values.bufferView.byteOffset + sparse.values.byteOffset;
if (type == AccessorType.VEC3) {
for (int i = 0; i < sparse.count; i++) {
int index = indices[i];
c[index].r = floatReader(valueReader);
c[index].g = floatReader(valueReader);
c[index].b = floatReader(valueReader);
}
} else if (type == AccessorType.VEC4) {
for (int i = 0; i < sparse.count; i++) {
int index = indices[i];
c[index].r = floatReader(valueReader);
c[index].g = floatReader(valueReader);
c[index].b = floatReader(valueReader);
c[index].a = floatReader(valueReader);
}
}
}
return c;
}
public int[] ReadInt() {
if (!ValidateAccessorType(type, AccessorType.SCALAR)) return new int[count];
Func<BufferedBinaryReader, int> intReader = GetIntReader(componentType);
int[] v = new int[count];
if (bufferView != null) {
BufferedBinaryReader reader = new BufferedBinaryReader(bufferView.stream, 1024);
reader.Position = bufferView.byteOffset + byteOffset;
int byteSkip = byteStride.HasValue ? byteStride.Value - GetComponentSize() : 0;
for (int i = 0; i < count; i++) {
v[i] = intReader(reader);
reader.Skip(byteSkip);
}
}
if (sparse != null) {
Func<BufferedBinaryReader, int> indexIntReader = GetIntReader(sparse.indices.componentType);
BufferedBinaryReader indexReader = new BufferedBinaryReader(sparse.indices.bufferView.stream, 1024);
indexReader.Position = sparse.indices.bufferView.byteOffset + sparse.indices.byteOffset;
int[] indices = new int[sparse.count];
for (int i = 0; i < sparse.count; i++) {
indices[i] = indexIntReader(indexReader);
}
BufferedBinaryReader valueReader = new BufferedBinaryReader(sparse.values.bufferView.stream, 1024);
indexReader.Position = sparse.values.bufferView.byteOffset + sparse.values.byteOffset;
for (int i = 0; i < sparse.count; i++) {
int index = indices[i];
v[index] = intReader(valueReader);
}
}
return v;
}
public Vector2[] ReadVec2()
{
if (!ValidateAccessorType(type, AccessorType.VEC2))
{
return(new Vector2[count]);
}
if (componentType != GLType.FLOAT)
{
Debug.LogError("Non-float componentType not supported. Got " + (int)componentType);
return(new Vector2[count]);
}
Func <BufferedBinaryReader, float> floatReader = GetFloatReader(componentType);
BufferedBinaryReader reader = new BufferedBinaryReader(bufferView.stream, 1024);
Vector2[] verts = new Vector2[count];
reader.Position = bufferView.byteOffset + byteOffset;
int byteSkip = byteStride.HasValue ? byteStride.Value - GetComponentSize() : 0;
for (int i = 0; i < count; i++)
{
verts[i].x = floatReader(reader);
verts[i].y = floatReader(reader);
reader.Skip(byteSkip);
}
return(verts);
}
public Color[] ReadColor()
{
if (!ValidateAccessorTypeAny(type, AccessorType.VEC3, AccessorType.VEC4))
{
return(new Color[count]);
}
Func <BufferedBinaryReader, float> floatReader = GetFloatReader(componentType);
BufferedBinaryReader reader = new BufferedBinaryReader(bufferView.stream, 1024);
Color[] cols = new Color[count];
reader.Position = bufferView.byteOffset + byteOffset;
int byteSkip = byteStride.HasValue ? byteStride.Value - GetComponentSize() : 0;
if (type == AccessorType.VEC3)
{
for (int i = 0; i < count; i++)
{
cols[i].r = floatReader(reader);
cols[i].g = floatReader(reader);
cols[i].b = floatReader(reader);
reader.Skip(byteSkip);
}
}
else if (type == AccessorType.VEC4)
{
for (int i = 0; i < count; i++)
{
cols[i].r = floatReader(reader);
cols[i].g = floatReader(reader);
cols[i].b = floatReader(reader);
cols[i].a = floatReader(reader);
reader.Skip(byteSkip);
}
}
return(cols);
}
public Vector4[] ReadVec4()
{
if (!ValidateAccessorType(type, AccessorType.VEC4))
{
return(new Vector4[count]);
}
Func <BufferedBinaryReader, float> floatReader = GetFloatReader(componentType);
Vector4[] v = new Vector4[count];
if (bufferView != null)
{
BufferedBinaryReader reader = new BufferedBinaryReader(bufferView.stream, 1024);
reader.Position = bufferView.byteOffset + byteOffset;
int byteSkip = byteStride.HasValue ? byteStride.Value - GetComponentSize() : 0;
for (int i = 0; i < count; i++)
{
v[i].x = floatReader(reader);
v[i].y = floatReader(reader);
v[i].z = floatReader(reader);
v[i].w = floatReader(reader);
reader.Skip(byteSkip);
}
}
if (sparse != null)
{
Func <BufferedBinaryReader, int> indexIntReader = GetIntReader(sparse.indices.componentType);
BufferedBinaryReader indexReader = new BufferedBinaryReader(sparse.indices.bufferView.stream, 1024);
indexReader.Position = sparse.indices.bufferView.byteOffset + sparse.indices.byteOffset;
int[] indices = new int[sparse.count];
for (int i = 0; i < sparse.count; i++)
{
indices[i] = indexIntReader(indexReader);
}
BufferedBinaryReader valueReader = new BufferedBinaryReader(sparse.values.bufferView.stream, 1024);
indexReader.Position = sparse.values.bufferView.byteOffset + sparse.values.byteOffset;
for (int i = 0; i < sparse.count; i++)
{
int index = indices[i];
v[index].x = floatReader(valueReader);
v[index].y = floatReader(valueReader);
v[index].z = floatReader(valueReader);
v[index].w = floatReader(valueReader);
}
}
return(v);
}
internal static LocalUseSection BuildFrom(BufferedBinaryReader reader)
{
// octets 1-4 (Length of GDS)
var length = reader.ReadUInt32();
var section = reader.ReadUInt8();
if (section != (int)SectionCode.LocalUseSection)
{
return(null);
}
var contentOffset = reader.Position;
reader.Skip((int)length - 5);
return(new LocalUseSection(length, section, contentOffset));
}
public int[] ReadInt()
{
if (!ValidateAccessorType(type, AccessorType.SCALAR))
{
return(new int[count]);
}
Func <BufferedBinaryReader, int> intReader = GetIntReader(componentType);
BufferedBinaryReader reader = new BufferedBinaryReader(bufferView.stream, 1024);
int[] result = new int[count];
reader.Position = bufferView.byteOffset + byteOffset;
int byteSkip = byteStride.HasValue ? byteStride.Value - GetComponentSize() : 0;
for (int i = 0; i < count; i++)
{
result[i] = intReader(reader);
reader.Skip(byteSkip);
}
return(result);
}
internal static BitmapSection BuildFrom(BufferedBinaryReader raf, long dataPointsNumber)
{
var length = raf.ReadUInt32();
var section = raf.ReadUInt8();
if (section != (int)SectionCode.BitmapSection)
{
throw new UnexpectedGribSectionException(
SectionCode.BitmapSection,
section
);
}
var bitmapIndicator = raf.ReadUInt8();
var bitmapOffset = raf.Position;
// Skip through the bitmap data
// There is no need to load it now
raf.Skip((int)length - 6);
return(new BitmapSection(length, section, bitmapIndicator, dataPointsNumber, bitmapOffset));
}
public Vector3[] ReadVec3()
{
if (!ValidateAccessorType(type, AccessorType.VEC3))
{
return(new Vector3[count]);
}
Func <BufferedBinaryReader, float> floatReader = GetFloatReader(componentType);
BufferedBinaryReader reader = new BufferedBinaryReader(bufferView.stream, 1024);
Vector3[] verts = new Vector3[count];
reader.Position = bufferView.byteOffset + byteOffset;
int byteSkip = byteStride.HasValue ? byteStride.Value - GetComponentSize() : 0;
for (int i = 0; i < count; i++)
{
verts[i].x = floatReader(reader);
verts[i].y = floatReader(reader);
verts[i].z = floatReader(reader);
reader.Skip(byteSkip);
}
return(verts);
}
internal static IndicatorSection BuildFrom(BufferedBinaryReader reader)
{
var fileStart = reader.Read(Constants.GribFileStart.Length);
if (!Constants.GribFileStart.SequenceEqual(fileStart))
{
throw new BadGribFormatException("Invalid file start.");
}
// Ignore the 2 reserved bytes
reader.Skip(2);
var disciplineNumber = reader.ReadUInt8();
var gribEdition = reader.ReadUInt8();
if (gribEdition != 2)
{
throw new NotSupportedException($"Only GRIB edition 2 is supported. GRIB edition {gribEdition} is not yet supported");
}
var totalLength = reader.ReadUInt64();
return(new IndicatorSection(disciplineNumber, 2, totalLength));
}
internal static DataSection BuildFrom(BufferedBinaryReader reader)
{
// octets 1-4 (Length of DS)
var length = reader.ReadUInt32();
// octet 5 section 7
var section = reader.ReadUInt8();
if (section != (int)SectionCode.DataSection)
{
throw new UnexpectedGribSectionException(
SectionCode.DataSection,
section
);
}
var dataOffset = reader.Position;
var dataLength = length - 5;
reader.Skip((int)dataLength);
return(new DataSection(length, section, dataOffset, dataLength));
}
public Matrix4x4[] ReadMatrix4x4()
{
if (!ValidateAccessorType(type, AccessorType.MAT4))
{
return(new Matrix4x4[count]);
}
Func <BufferedBinaryReader, float> floatReader = GetFloatReader(componentType);
BufferedBinaryReader reader = new BufferedBinaryReader(bufferView.stream, 1024);
Matrix4x4[] m = new Matrix4x4[count];
reader.Position = bufferView.byteOffset + byteOffset;
int byteSkip = byteStride.HasValue ? byteStride.Value - GetComponentSize() : 0;
for (int i = 0; i < count; i++)
{
m[i].m00 = floatReader(reader);
m[i].m01 = floatReader(reader);
m[i].m02 = floatReader(reader);
m[i].m03 = floatReader(reader);
m[i].m10 = floatReader(reader);
m[i].m11 = floatReader(reader);
m[i].m12 = floatReader(reader);
m[i].m13 = floatReader(reader);
m[i].m20 = floatReader(reader);
m[i].m21 = floatReader(reader);
m[i].m22 = floatReader(reader);
m[i].m23 = floatReader(reader);
m[i].m30 = floatReader(reader);
m[i].m31 = floatReader(reader);
m[i].m32 = floatReader(reader);
m[i].m33 = floatReader(reader);
reader.Skip(byteSkip);
}
return(m);
}
public Matrix4x4[] ReadMatrix4x4()
{
if (!ValidateAccessorType(type, AccessorType.MAT4))
{
return(new Matrix4x4[count]);
}
Func <BufferedBinaryReader, float> floatReader = GetFloatReader(componentType);
Matrix4x4[] m = new Matrix4x4[count];
if (bufferView != null)
{
BufferedBinaryReader reader = new BufferedBinaryReader(bufferView.stream, 1024);
reader.Position = bufferView.byteOffset + byteOffset;
int byteSkip = byteStride.HasValue ? byteStride.Value - GetComponentSize() : 0;
for (int i = 0; i < count; i++)
{
m[i].m00 = floatReader(reader);
m[i].m01 = floatReader(reader);
m[i].m02 = floatReader(reader);
m[i].m03 = floatReader(reader);
m[i].m10 = floatReader(reader);
m[i].m11 = floatReader(reader);
m[i].m12 = floatReader(reader);
m[i].m13 = floatReader(reader);
m[i].m20 = floatReader(reader);
m[i].m21 = floatReader(reader);
m[i].m22 = floatReader(reader);
m[i].m23 = floatReader(reader);
m[i].m30 = floatReader(reader);
m[i].m31 = floatReader(reader);
m[i].m32 = floatReader(reader);
m[i].m33 = floatReader(reader);
reader.Skip(byteSkip);
}
}
if (sparse != null)
{
Func <BufferedBinaryReader, int> indexIntReader = GetIntReader(sparse.indices.componentType);
BufferedBinaryReader indexReader = new BufferedBinaryReader(sparse.indices.bufferView.stream, 1024);
indexReader.Position = sparse.indices.bufferView.byteOffset + sparse.indices.byteOffset;
int[] indices = new int[sparse.count];
for (int i = 0; i < sparse.count; i++)
{
indices[i] = indexIntReader(indexReader);
}
BufferedBinaryReader valueReader = new BufferedBinaryReader(sparse.values.bufferView.stream, 1024);
indexReader.Position = sparse.values.bufferView.byteOffset + sparse.values.byteOffset;
for (int i = 0; i < sparse.count; i++)
{
int index = indices[i];
m[index].m00 = floatReader(valueReader);
m[index].m01 = floatReader(valueReader);
m[index].m02 = floatReader(valueReader);
m[index].m03 = floatReader(valueReader);
m[index].m10 = floatReader(valueReader);
m[index].m11 = floatReader(valueReader);
m[index].m12 = floatReader(valueReader);
m[index].m13 = floatReader(valueReader);
m[index].m20 = floatReader(valueReader);
m[index].m21 = floatReader(valueReader);
m[index].m22 = floatReader(valueReader);
m[index].m23 = floatReader(valueReader);
m[index].m30 = floatReader(valueReader);
m[index].m31 = floatReader(valueReader);
m[index].m32 = floatReader(valueReader);
m[index].m33 = floatReader(valueReader);
}
}
return(m);
}