public EdgeIndices16(FastBinaryReader reader)
{
this.westVertexCount = reader.ReadUInt32();
this.westIndices = new ushort[westVertexCount];
for (int i = 0; i < westVertexCount; i++)
{
westIndices[i] = reader.ReadUInt16();
}
this.southVertexCount = reader.ReadUInt32();
this.southIndices = new ushort[southVertexCount];
for (int i = 0; i < southVertexCount; i++)
{
southIndices[i] = reader.ReadUInt16();
}
this.eastVertexCount = reader.ReadUInt32();
this.eastIndices = new ushort[eastVertexCount];
for (int i = 0; i < eastVertexCount; i++)
{
eastIndices[i] = reader.ReadUInt16();
}
this.northVertexCount = reader.ReadUInt32();
this.northIndices = new ushort[northVertexCount];
for (int i = 0; i < northVertexCount; i++)
{
northIndices[i] = reader.ReadUInt16();
}
}
public static void Parse(Stream tileStream)
{
using (var zStream = new GZipStream(tileStream, CompressionMode.Decompress))
{
using (var reader = new FastBinaryReader(zStream))
{
// read header
var header = new QuantizedMeshHeader(reader);
var vertexData = new VertexData(reader);
var indexData = new IndexData16(reader);
var edgeIndexData = new EdgeIndices16(reader);
NormalExtensionData normalData;
while (reader.HasMore())
{
var extensionHeader = new ExtensionHeader(reader);
if (extensionHeader.extensionId == 1)
{
// oct-encoded per vertex normals
normalData = new NormalExtensionData(reader, vertexData.vertexCount);
}
}
int a = 10;
}
}
}
public static void Parse(Stream tileStream)
{
using (var zStream = new GZipStream(tileStream, CompressionMode.Decompress))
{
using (var reader = new FastBinaryReader(zStream))
{
// read header
var header = new QuantizedMeshHeader(reader);
var vertexData = new VertexData(reader);
var indexData = new IndexData16(reader);
var edgeIndexData = new EdgeIndices16(reader);
NormalExtensionData normalData;
while (reader.HasMore())
{
var extensionHeader = new ExtensionHeader(reader);
if (extensionHeader.extensionId == 1)
{
// oct-encoded per vertex normals
normalData = new NormalExtensionData(reader, vertexData.vertexCount);
}
}
int a = 10;
}
}
}
public EdgeIndices16(FastBinaryReader reader)
{
this.westVertexCount = reader.ReadUInt32();
this.westIndices = new ushort[westVertexCount];
for (int i = 0; i < westVertexCount; i++)
westIndices[i] = reader.ReadUInt16();
this.southVertexCount = reader.ReadUInt32();
this.southIndices = new ushort[southVertexCount];
for (int i = 0; i < southVertexCount; i++)
southIndices[i] = reader.ReadUInt16();
this.eastVertexCount = reader.ReadUInt32();
this.eastIndices = new ushort[eastVertexCount];
for (int i = 0; i < eastVertexCount; i++)
eastIndices[i] = reader.ReadUInt16();
this.northVertexCount = reader.ReadUInt32();
this.northIndices = new ushort[northVertexCount];
for (int i = 0; i < northVertexCount; i++)
northIndices[i] = reader.ReadUInt16();
}
public NormalExtensionData(FastBinaryReader reader, uint vertCount)
{
this.vertexCount = vertCount;
this.xy = new byte[vertexCount * 2];
for (int i = 0; i < vertexCount*2; i++)
xy[i] = reader.ReadByte();
}
public VertexData(FastBinaryReader reader)
{
vertexCount = reader.ReadUInt32();
u = new ushort[vertexCount];
v = new ushort[vertexCount];
height = new ushort[vertexCount];
if (vertexCount > 64 * 1024)
{
throw new NotSupportedException("32 bit indices not supported yet");
}
//fixed (ushort* uptr = u)
//{
// SharpDX.Utilities.CopyMemory(new IntPtr(uptr), new IntPtr(reader.FixedPtr), (int)vertexCount * sizeof(ushort));
// reader.AdvanceBytes(vertexCount * sizeof(ushort));
//}
for (int i = 0; i < vertexCount; i++)
{
u[i] = reader.ReadUInt16();
}
//fixed (ushort* vptr = v)
//{
// SharpDX.Utilities.CopyMemory(new IntPtr(vptr), new IntPtr(reader.FixedPtr), (int)vertexCount * sizeof(ushort));
// reader.AdvanceBytes(vertexCount * sizeof(ushort));
//}
for (int i = 0; i < vertexCount; i++)
{
v[i] = reader.ReadUInt16();
}
//fixed (ushort* hptr = height)
//{
// SharpDX.Utilities.CopyMemory(new IntPtr(hptr), new IntPtr(reader.FixedPtr), (int)vertexCount * sizeof(ushort));
// reader.AdvanceBytes(vertexCount * sizeof(ushort));
//}
for (int i = 0; i < vertexCount; i++)
{
height[i] = reader.ReadUInt16();
}
ushort _u = 0;
ushort _v = 0;
ushort _height = 0;
for (int i = 0; i < vertexCount; i++)
{
_u += zigZagDecode(u[i]);
_v += zigZagDecode(v[i]);
_height += zigZagDecode(height[i]);
u[i] = _u;
v[i] = _v;
height[i] = _height;
}
}
public NormalExtensionData(FastBinaryReader reader, uint vertCount)
{
this.vertexCount = vertCount;
this.xy = new byte[vertexCount * 2];
for (int i = 0; i < vertexCount * 2; i++)
{
xy[i] = reader.ReadByte();
}
}
public VertexData(FastBinaryReader reader)
{
vertexCount = reader.ReadUInt32();
u = new ushort[vertexCount];
v = new ushort[vertexCount];
height = new ushort[vertexCount];
if (vertexCount > 64 * 1024)
throw new NotSupportedException("32 bit indices not supported yet");
//fixed (ushort* uptr = u)
//{
// SharpDX.Utilities.CopyMemory(new IntPtr(uptr), new IntPtr(reader.FixedPtr), (int)vertexCount * sizeof(ushort));
// reader.AdvanceBytes(vertexCount * sizeof(ushort));
//}
for (int i = 0; i < vertexCount; i++)
u[i] = reader.ReadUInt16();
//fixed (ushort* vptr = v)
//{
// SharpDX.Utilities.CopyMemory(new IntPtr(vptr), new IntPtr(reader.FixedPtr), (int)vertexCount * sizeof(ushort));
// reader.AdvanceBytes(vertexCount * sizeof(ushort));
//}
for (int i = 0; i < vertexCount; i++)
v[i] = reader.ReadUInt16();
//fixed (ushort* hptr = height)
//{
// SharpDX.Utilities.CopyMemory(new IntPtr(hptr), new IntPtr(reader.FixedPtr), (int)vertexCount * sizeof(ushort));
// reader.AdvanceBytes(vertexCount * sizeof(ushort));
//}
for (int i = 0; i < vertexCount; i++)
height[i] = reader.ReadUInt16();
ushort _u = 0;
ushort _v = 0;
ushort _height = 0;
for (int i = 0; i < vertexCount; i++)
{
_u += zigZagDecode(u[i]);
_v += zigZagDecode(v[i]);
_height += zigZagDecode(height[i]);
u[i] = _u;
v[i] = _v;
height[i] = _height;
}
}
public IndexData16(FastBinaryReader reader)
{
this.triangleCount = reader.ReadUInt32();
indices = new ushort[triangleCount * 3];
ushort highest = 0;
for (int i = 0; i < indices.Length; i++)
{
ushort code = reader.ReadUInt16();
indices[i] = (ushort)(highest - code);
if (code == 0)
highest++;
}
}
public QuantizedMeshHeader(FastBinaryReader reader)
{
CenterX = reader.ReadDouble();
CenterY = reader.ReadDouble();
CenterZ = reader.ReadDouble();
MinimumHeight = reader.ReadSingle();
MaximumHeight = reader.ReadSingle();
BoundingSphereCenterX = reader.ReadDouble();
BoundingSphereCenterY = reader.ReadDouble();
BoundingSphereCenterZ = reader.ReadDouble();
BoundingSphereRadius = reader.ReadDouble();
HorizonOcclusionPointX = reader.ReadDouble();
HorizonOcclusionPointY = reader.ReadDouble();
HorizonOcclusionPointZ = reader.ReadDouble();
}
public IndexData16(FastBinaryReader reader)
{
this.triangleCount = reader.ReadUInt32();
indices = new ushort[triangleCount * 3];
ushort highest = 0;
for (int i = 0; i < indices.Length; i++)
{
ushort code = reader.ReadUInt16();
indices[i] = (ushort)(highest - code);
if (code == 0)
{
highest++;
}
}
}
public QuantizedMeshHeader(FastBinaryReader reader)
{
CenterX = reader.ReadDouble();
CenterY = reader.ReadDouble();
CenterZ = reader.ReadDouble();
MinimumHeight = reader.ReadSingle();
MaximumHeight = reader.ReadSingle();
BoundingSphereCenterX = reader.ReadDouble();
BoundingSphereCenterY = reader.ReadDouble();
BoundingSphereCenterZ = reader.ReadDouble();
BoundingSphereRadius = reader.ReadDouble();
HorizonOcclusionPointX = reader.ReadDouble();
HorizonOcclusionPointY = reader.ReadDouble();
HorizonOcclusionPointZ = reader.ReadDouble();
}
public ExtensionHeader(FastBinaryReader reader)
{
this.extensionId = reader.ReadByte();
this.extensionLength = reader.ReadUInt32();
}
public ExtensionHeader(FastBinaryReader reader)
{
this.extensionId = reader.ReadByte();
this.extensionLength = reader.ReadUInt32();
}
