public Unity3mxLoader(PagedLOD parent)
{
Parent = parent;
this.dir = parent.dir;
this.loader = Loader.AbstractWebRequestLoader.CreateDefaultRequestLoader(dir);
_TextureCache = new Dictionary <string, Texture2D>();
_MeshCache = new Dictionary <string, Mesh>();
_PointCloudCache = new Dictionary <string, Mesh>();
_meshTextureIdCache = new Dictionary <string, string>();
}
public PagedLOD(string name, string dir, PagedLOD parent)
{
this.dir = dir;
this.Go = new GameObject();
this.Go.name = name;
this.Go.transform.SetParent(parent.Go.transform, false);
//this.Go.hideFlags = HideFlags.HideInHierarchy | HideFlags.HideInInspector;
this.childrenStatus = ChildrenStatus.Unstaged;
this.CommitedChildren = new List <PagedLOD>();
this.FrameNumberOfLastTraversal = -1;
this.Depth = parent.Depth + 1;
}
public IEnumerator Download(Promise <bool> loadComplete)
{
string url = UrlUtils.ReplaceDataProtocol(Url);
string dir = UrlUtils.GetBaseUri(url);
string file = UrlUtils.GetLastPathSegment(url);
if (file.EndsWith(".3mxb", StringComparison.OrdinalIgnoreCase) || file.EndsWith(".3mx", StringComparison.OrdinalIgnoreCase))
{
this.Root = new PagedLOD("root", dir, this.transform, 0);
this.Root.unity3mxComponent = this;
this.Root.MaxScreenDiameter = 0;
this.Root.BoundingSphere = new TileBoundingSphere(new Vector3(0, 0, 0), 1e30f);
this.Root.ChildrenFiles = new List <string>();
this.Root.ChildrenFiles.Add(file);
yield return(null);
}
}
public IEnumerator LoadStreamCo(string relativeFilePath)
{
if (Parent.Go == null)
{
yield break;
}
yield return(this.loader.LoadStreamCo(relativeFilePath));
if (this.loader.LoadedStream.Length == 0)
{
LoadedStream = new MemoryStream(0);
}
else
{
using (BinaryReader br = new BinaryReader(this.loader.LoadedStream))
{
if (relativeFilePath.EndsWith(".3mx", StringComparison.OrdinalIgnoreCase))
{
string _3mxJson = new String(br.ReadChars((int)this.loader.LoadedStream.Length));
Schema._3mx _3mx = JsonConvert.DeserializeObject <Schema._3mx>(_3mxJson);
PagedLOD commitedChild = new PagedLOD(_3mx.Layers[0].Id, Parent.dir, Parent);
commitedChild.unity3mxComponent = Parent.unity3mxComponent;
commitedChild.MaxScreenDiameter = 0;
commitedChild.BoundingSphere = new TileBoundingSphere(new Vector3(0, 0, 0), 1e30f);
commitedChild.ChildrenFiles = new List <string>();
commitedChild.ChildrenFiles.Add(_3mx.Layers[0].Root);
Parent.CommitedChildren.Add(commitedChild);
yield return(null);
}
else
{
#if DEBUG_TIME
System.Diagnostics.Stopwatch swHeader = new System.Diagnostics.Stopwatch();
swHeader.Start();
#endif
// Remove query parameters if there are any
string filename = relativeFilePath.Split('?')[0];
const int magicNumberLen = 5;
// magic number
string magicNumber = new String(br.ReadChars((int)magicNumberLen));
if (magicNumber != "3MXBO")
{
Debug.LogError("Unsupported magic number in 3mxb file: " + magicNumber + " " + relativeFilePath);
}
// header size
UInt32 headerSize = br.ReadUInt32();
if (headerSize == 0)
{
Debug.LogError("Unexpected zero length header in 3mxb file: " + relativeFilePath);
}
// header
string headerJson = new String(br.ReadChars((int)headerSize));
Schema.Header3mxb header3mxb = JsonConvert.DeserializeObject <Schema.Header3mxb>(headerJson);
#if DEBUG_TIME
swHeader.Stop();
System.Diagnostics.Stopwatch swTexture = new System.Diagnostics.Stopwatch();
System.Diagnostics.Stopwatch swGeometry = new System.Diagnostics.Stopwatch();
#endif
// resources
for (int i = 0; i < header3mxb.Resources.Count; ++i)
{
Schema.Resource resource = header3mxb.Resources[i];
if (resource.Type == "textureBuffer" && resource.Format == "jpg")
{
#if DEBUG_TIME
swTexture.Start();
#endif
yield return(ConstructTexture(resource.Id, br, resource.Size));
#if DEBUG_TIME
swTexture.Stop();
#endif
}
else if (resource.Type == "geometryBuffer" && resource.Format == "ctm")
{
#if DEBUG_TIME
swGeometry.Start();
#endif
yield return(ConstructMesh(resource.Id, br, resource.Size,
new Vector3(resource.BBMin[0], resource.BBMin[2], resource.BBMin[1]),
new Vector3(resource.BBMax[0], resource.BBMax[2], resource.BBMax[1])));
_meshTextureIdCache.Add(resource.Id, resource.Texture);
#if DEBUG_TIME
swGeometry.Stop();
#endif
}
else if (resource.Type == "geometryBuffer" && resource.Format == "xyz")
{
#if DEBUG_TIME
swGeometry.Start();
#endif
yield return(ConstructPointCloud(resource.Id, br, resource.Size,
new Vector3(resource.BBMin[0], resource.BBMin[2], resource.BBMin[1]),
new Vector3(resource.BBMax[0], resource.BBMax[2], resource.BBMax[1])));
#if DEBUG_TIME
swGeometry.Stop();
#endif
}
else
{
Debug.LogError("Unexpected buffer type in 3mxb file: " + relativeFilePath);
}
}
#if DEBUG_TIME
System.Diagnostics.Stopwatch swNodes = new System.Diagnostics.Stopwatch();
swNodes.Start();
#endif
// nodes
for (int i = 0; i < header3mxb.Nodes.Count; ++i)
{
string url = UrlUtils.ReplaceDataProtocol(this.dir + relativeFilePath);
string childDir = UrlUtils.GetBaseUri(url);
Schema.Node node = header3mxb.Nodes[i];
PagedLOD commitedChild = new PagedLOD(node.Id, childDir, Parent);
commitedChild.unity3mxComponent = Parent.unity3mxComponent;
commitedChild.BBMin = new Vector3(node.BBMin[0], node.BBMin[2], node.BBMin[1]);
commitedChild.BBMax = new Vector3(node.BBMax[0], node.BBMax[2], node.BBMax[1]);
commitedChild.BoundingSphere = new TileBoundingSphere((commitedChild.BBMax + commitedChild.BBMin) / 2, (commitedChild.BBMax - commitedChild.BBMin).magnitude / 2);
commitedChild.MaxScreenDiameter = node.MaxScreenDiameter;
commitedChild.ChildrenFiles = node.Children;
for (int j = 0; j < node.Resources.Count; ++j)
{
GameObject goSingleMesh = new GameObject();
goSingleMesh.name = "Drawable";
//goSingleMesh.hideFlags = HideFlags.HideInHierarchy | HideFlags.HideInInspector;
goSingleMesh.transform.SetParent(commitedChild.Go.transform, false);
MeshRenderer mr = goSingleMesh.AddComponent <MeshRenderer>();
mr.enabled = false;
MeshFilter mf = goSingleMesh.AddComponent <MeshFilter>();
Mesh model;
if (_MeshCache.TryGetValue(node.Resources[j], out model))
{
mf.mesh = model;
string textureId;
if (_meshTextureIdCache.TryGetValue(node.Resources[j], out textureId))
{
if (textureId != null)
{
Texture2D texture;
_TextureCache.TryGetValue(textureId, out texture);
mr.material.SetTexture("_MainTex", texture);
}
}
}
else if (_PointCloudCache.TryGetValue(node.Resources[j], out model))
{
mf.mesh = model;
}
}
commitedChild.renderers = commitedChild.Go.GetComponentsInChildren <MeshRenderer>();
Parent.CommitedChildren.Add(commitedChild);
yield return(null);
}
if (!Parent.unity3mxComponent.HasBounds() && Parent.CommitedChildren.Count > 0)
{
Vector3 center = new Vector3();
Vector3 size = new Vector3();
bool hasBounds = false;
{
PagedLOD commitedChild = Parent.CommitedChildren[0];
center = (commitedChild.BBMax + commitedChild.BBMin) / 2;
size = commitedChild.BBMax - commitedChild.BBMin;
hasBounds = true;
}
if (hasBounds)
{
Bounds bounds = new Bounds(center, size);
foreach (PagedLOD commitedChild in Parent.CommitedChildren)
{
bounds.Encapsulate(commitedChild.BBMin);
bounds.Encapsulate(commitedChild.BBMax);
}
Parent.unity3mxComponent.SetBounds(bounds);
}
}
#if DEBUG_TIME
swNodes.Stop();
UnityEngine.Debug.Log(string.Format("Header: {0} ms, Texture: {1} ms, Geometry: {2} ms, Nodes: {3} m",
swHeader.ElapsedMilliseconds, swTexture.ElapsedMilliseconds, swGeometry.ElapsedMilliseconds, swNodes.ElapsedMilliseconds));
#endif
}
}
}
Dispose();
}