protected override void Recompute(DGArguments args)
{
System.Console.WriteLine("Reading file...");
ReadMesh = new DMesh3();
string path = CachedValue <string>(0, args);
if (!File.Exists(path))
{
return;
}
DMesh3Builder builder = new DMesh3Builder();
StandardMeshReader reader = new StandardMeshReader();
reader.MeshBuilder = builder;
IOReadResult result = reader.Read(path, ReadOptions.Defaults);
if (result.code != IOCode.Ok)
{
return;
}
ReadMesh = builder.Meshes[0];
}
protected virtual T CachedValue <T>(int portIndex, DGArguments args)
{
if (InputCache[portIndex].timestamp != Inputs[portIndex].Timestamp)
{
InputCache[portIndex].cache = Inputs[portIndex].Value <object>(args);
InputCache[portIndex].timestamp = Inputs[portIndex].Timestamp;
System.Console.WriteLine(" {0}.CachedValue {1}:{2} - new timestamp {3}", Name, portIndex, Inputs[portIndex].PortType.ToString(), InputCache[portIndex].timestamp.time);
}
return((T)InputCache[portIndex].cache);
}
protected override void Recompute(DGArguments args)
{
string path = Inputs[0].Value <string>(args);
DMesh3 mesh = Inputs[1].Value <DMesh3>(args);
StandardMeshWriter writer = new StandardMeshWriter();
IOWriteResult result =
writer.Write(path, new List <WriteMesh>()
{
new WriteMesh(mesh)
}, WriteOptions.Defaults);
if (result.code != IOCode.Ok)
{
// what??
}
}
protected override void Recompute(DGArguments args)
{
OffsetMesh.Copy(CachedValue <DMesh3>(0, args));
double dist = CachedValue <double>(1, args);
if (!OffsetMesh.HasVertexNormals)
{
MeshNormals.QuickCompute(OffsetMesh);
}
foreach (int vid in OffsetMesh.VertexIndices())
{
Vector3d v = OffsetMesh.GetVertex(vid);
Vector3d n = OffsetMesh.GetVertexNormal(vid);
v += dist * n;
OffsetMesh.SetVertex(vid, v);
}
}
protected override void RunRecompute(DGArguments args)
{
System.Console.WriteLine("RunRecompute on node {0}", Name);
bool found_dirty = false;
for (int i = 0; i < InputCache.Length; ++i)
{
if (InputCache[i].timestamp != Inputs[i].Timestamp)
{
found_dirty = true;
System.Console.WriteLine(" Found dirty at input {0} - type {1} - timestamp {2} vs cache {3}", i, Inputs[i].PortType.ToString(), Inputs[i].Timestamp.time, InputCache[i].timestamp.time);
}
}
System.Console.WriteLine(" done dirty checks - result was {0}", found_dirty);
if (found_dirty)
{
System.Console.WriteLine(" Recomputing on node {0}", Name);
Recompute(args);
System.Console.WriteLine(" Done on node {0}", Name);
}
}
protected abstract void Recompute(DGArguments args);
// intermediary function you can override to implement caching, etc
protected virtual void RunRecompute(DGArguments args)
{
Recompute(args);
}
public virtual void ForceEvaluate(DGArguments args)
{
RunRecompute(args);
}
protected override void Recompute(DGArguments args)
{
}
public virtual object Evaluate(DGArguments args)
{
return(_value);
}
public virtual T Value <T>(DGArguments args)
{
object o = source.Evaluate(args);
return((T)o);
}
public virtual object Evaluate(DGArguments args)
{
return(MeshSourceF(args));
}
protected virtual DMesh3 GetReadMesh(DGArguments args)
{
RunRecompute(args);
return(ReadMesh);
}
protected virtual DMesh3 GetOffsetMesh(DGArguments args)
{
RunRecompute(args);
return(OffsetMesh);
}