public static BlenderObject CreateFromByteStream(BinaryReader br)
{
var bo = new BlenderObject();
// name
bo.name = br.ReadString();
// mode
bo.mode = br.ReadString();
// transform (
bo.matrix = Matrix4x4.identity;
foreach (var i in Enumerable.Range(0, 16))
{
bo.matrix[i] = br.ReadSingle();
}
bool meshDataAvailable = br.ReadByte() > 0;
if (meshDataAvailable)
{
// verts
int vertsCount = br.ReadInt32();
bo.verts = new Vector3[vertsCount / 3];
int vertsIndex = 0;
for (var i = 0; i < vertsCount; i += 3)
{
bo.verts[vertsIndex] = new Vector3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle());
vertsIndex++;
}
// normals
int normalsCount = br.ReadInt32();
bo.normals = new Vector3[normalsCount / 3];
int normalIndex = 0;
for (var i = 0; i < normalsCount; i += 3)
{
bo.normals[normalIndex] = new Vector3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle());
normalIndex++;
}
// faces
int facesCount = br.ReadInt32();
bo.faces = new int[facesCount];
int faceIndex = 0;
for (var i = 0; i < facesCount; i += 1)
{
bo.faces[faceIndex] = br.ReadInt32();
faceIndex++;
}
// uvs
int uvsCount = br.ReadInt32();
bo.uvs = null;
if (uvsCount > 0)
{
bo.uvs = new Vector2[uvsCount / 2];
int uvIdex = 0;
for (var i = 0; i < uvsCount; i += 2)
{
bo.uvs[uvIdex] = new Vector2(br.ReadSingle(), br.ReadSingle());
uvIdex++;
}
}
// materials
int materialsCount = br.ReadInt32();
bo.materials = null;
if (materialsCount > 0)
{
bo.materials = new BlenderObjectMaterial[materialsCount];
for (int i = 0; i < materialsCount; i++)
{
bo.materials[i] = BlenderObjectMaterial.CreateFromByteStream(br);
}
}
}
// chilren
int childrenCount = br.ReadInt32();
bo.children = null;
if (childrenCount > 0)
{
bo.children = new BlenderObject[childrenCount];
for (int i = 0; i < childrenCount; i++)
{
bo.children[i] = BlenderObject.CreateFromByteStream(br);
}
}
return(bo);
}
void ProcessData(byte[] data)
{
using (MemoryStream ms = new MemoryStream(data))
{
using (BinaryReader br = new BinaryReader(ms))
{
byte packetType = br.ReadByte();
int packetSize = br.ReadInt32();
if (packetType == TYPE_OBJECT_UPDATE)
{
Debug.Log("TYPE_OBJECT_UPDATE");
BlenderObject bo = null;
// metadata
string tag = br.ReadString();
float timestamp = br.ReadSingle();
string updatedObject = br.ReadString();
string updatedMode = br.ReadString();
bool worldAnchorSet = br.ReadByte() > 0;
bo = BlenderObject.CreateFromByteStream(br);
bo.worldAnchorSet = worldAnchorSet;
// correct matrix
bo.matrix = Matrix4x4.TRS(Vector3.zero, Quaternion.Euler(-90, 0, 0), new Vector3(.1f, .1f, .1f)) * bo.matrix;
if (bo != null)
{
ProcessBlenderObject(bo);
}
}
else if (packetType == TYPE_MATERIAL_TEXTURE)
{
Debug.Log("TYPE_MATERIAL_TEXTURE");
int count = br.ReadByte();
for (int i = 0; i < count; i++)
{
int width = br.ReadInt32();
int height = br.ReadInt32();
int textureLength = br.ReadInt32();
byte[] textureData = br.ReadBytes(textureLength);
string textureName = br.ReadString();
Debug.LogFormat("TYPE_MATERIAL_TEXTURE {0}", textureName);
Texture2D tex = new Texture2D(width, height);
if (tex.LoadImage(textureData))
{
textures[textureName] = tex;
}
else
{
Debug.LogWarningFormat("Failed to load texture {0}", textureName);
}
}
for (int i = blenderObjectsToBeProcessed.Count - 1; i >= 0; i--)
{
BlenderObject bo = blenderObjectsToBeProcessed[i];
if (CheckAndRequestTextures(bo) == 0)
{
blenderObjectsToBeProcessed.RemoveAt(i);
ProcessBlenderObject(bo);
}
}
}
else if (packetType == TYPE_OBJECT_REMOVED)
{
Debug.Log("TYPE_OBJECT_REMOVED");
string boName = br.ReadString();
Debug.LogFormat("Removing BGO {0}", boName);
if (blenderGameObjects.ContainsKey(boName))
{
var bgo = blenderGameObjects[boName];
blenderGameObjects.Remove(boName);
Destroy(bgo.gameObject);
OnBlenderGameObjectDestoryed(boName);
}
}
else if (packetType == TYPE_OBJECT_WORLDANCHOR)
{
Debug.Log("TYPE_OBJECT_WORLDANCHOR");
string boName = br.ReadString();
int worldAnchorDataSize = br.ReadInt32();
byte[] worldAnchorData = br.ReadBytes(worldAnchorDataSize);
Debug.LogFormat("Setting world anchor for BGO {0}, count {1}", boName, worldAnchorDataSize);
// update existing Blender Object
if (blenderGameObjects.ContainsKey(boName))
{
var bgo = blenderGameObjects[boName];
bgo.SetAnchor(worldAnchorData);
OnBlenderGameObjectUpdated(bgo);
}
// update pending BlenderObject
for (int i = blenderObjectsToBeProcessed.Count - 1; i >= 0; i--)
{
BlenderObject bo = blenderObjectsToBeProcessed[i];
if (bo.name.Equals(boName, StringComparison.OrdinalIgnoreCase))
{
blenderObjectsToBeProcessed.RemoveAt(i);
bo.worldAnchor = worldAnchorData;
ProcessBlenderObject(bo);
}
}
}
else if (packetType == TYPE_OBJECT_OPERATION)
{
Debug.Log("TYPE_OBJECT_OPERATION");
// TODO
}
}
}
}
