public override IEnumerator BeginGeneration()
{
var topology = topologyInputSlot.GetAsset <Topology>();
var faceGroupIndices = new int[topology.internalFaces.Count].AsFaceAttribute();
List <int>[] faceGroupFaceIndices;
var random = randomness.GetRandom();
var clampedRootCount = Mathf.Clamp(groupCount, 1, topology.internalFaces.Count);
faceGroupFaceIndices = new List <int> [clampedRootCount];
var waitHandle = executive.GenerateConcurrently(() =>
{
var rootFaces = new List <Topology.Face>();
var rootFaceEdges = new List <Topology.FaceEdge>();
for (int faceGroupIndex = 0; faceGroupIndex < clampedRootCount; ++faceGroupIndex)
{
faceGroupFaceIndices[faceGroupIndex] = new List <int>();
Topology.Face face;
do
{
face = topology.internalFaces[random.Index(topology.internalFaces.Count)];
} while (rootFaces.Contains(face));
rootFaces.Add(face);
foreach (var edge in face.edges)
{
if (edge.face.isInternal)
{
rootFaceEdges.Add(edge);
}
}
faceGroupIndices[face] = faceGroupIndex;
faceGroupFaceIndices[faceGroupIndex].Add(face.index);
}
TopologyVisitor.VisitFacesInRandomOrder(
rootFaceEdges,
(FaceEdgeVisitor visitor) =>
{
var faceGroupIndex = faceGroupIndices[visitor.edge.nearFace];
faceGroupIndices[visitor.edge] = faceGroupIndex;
faceGroupFaceIndices[faceGroupIndex].Add(visitor.edge.face.index);
visitor.VisitInternalNeighborsExceptSource();
},
random);
});
while (waitHandle.WaitOne(10) == false)
{
yield return(null);
}
faceGroupOutputSlots = GeneratorUtility.ResizeArray(faceGroupOutputSlots, faceGroupFaceIndices.Length,
(int index) =>
{
return(OutputSlot.CreateGrouped <FaceGroup>(this, string.Format("Face Group {0}", index), faceGroupCollectionOutputSlot.name, true, OutputSlot.Availability.DuringGeneration));
},
(OutputSlot output, int index) =>
{
output.DisconnectAll();
output.path = faceGroupCollectionOutputSlot.name;
return(output);
});
var faceGroupCollection = FaceGroupCollection.Create(faceGroupFaceIndices.Length);
for (int faceGroupIndex = 0; faceGroupIndex < faceGroupFaceIndices.Length; ++faceGroupIndex)
{
var faceGroup = ArrayFaceGroup.Create(topology, faceGroupFaceIndices[faceGroupIndex].ToArray()).SetName(faceGroupOutputSlots[faceGroupIndex].name);
faceGroupCollection.faceGroups[faceGroupIndex] = faceGroupOutputSlots[faceGroupIndex].SetAsset(faceGroup);
}
faceGroupCollectionOutputSlot.SetAsset(faceGroupCollection);
faceGroupIndicesOutputSlot.SetAsset(IntFaceAttribute.Create(faceGroupIndices.array));
yield break;
}
public override IEnumerator BeginGeneration()
{
var topology = topologyInputSlot.GetAsset <Topology>();
var vertexAttributeSources = new VertexAttributeSources();
vertexAttributeSources.ringPositions = VertexAttributeSources.GetRingAttributes <Vector3>(topology, ringVertexPositionsInputSlots);
vertexAttributeSources.ringNormals = VertexAttributeSources.GetRingAttributes <Vector3>(topology, ringVertexNormalsInputSlots);
vertexAttributeSources.ringColors = VertexAttributeSources.GetRingAttributes <Color>(topology, ringVertexColorsInputSlots);
vertexAttributeSources.ringColor32s = VertexAttributeSources.GetRingAttributes <Color32>(topology, ringVertexColor32sInputSlots);
vertexAttributeSources.ringUV1s = VertexAttributeSources.GetRingAttributes <Vector2>(topology, ringVertexUV1sInputSlots);
vertexAttributeSources.ringUV2s = VertexAttributeSources.GetRingAttributes <Vector2>(topology, ringVertexUV2sInputSlots);
vertexAttributeSources.ringUV3s = VertexAttributeSources.GetRingAttributes <Vector2>(topology, ringVertexUV3sInputSlots);
vertexAttributeSources.ringUV4s = VertexAttributeSources.GetRingAttributes <Vector2>(topology, ringVertexUV4sInputSlots);
vertexAttributeSources.ringTangents = VertexAttributeSources.GetRingAttributes <Vector4>(topology, ringVertexTangentsInputSlots);
vertexAttributeSources.centerPositions = VertexAttributeSources.GetCenterAttributes <Vector3>(centerVertexPositionsInputSlots);
vertexAttributeSources.centerNormals = VertexAttributeSources.GetCenterAttributes <Vector3>(centerVertexNormalsInputSlots);
vertexAttributeSources.centerColors = VertexAttributeSources.GetCenterAttributes <Color>(centerVertexColorsInputSlots);
vertexAttributeSources.centerColor32s = VertexAttributeSources.GetCenterAttributes <Color32>(centerVertexColor32sInputSlots);
vertexAttributeSources.centerUV1s = VertexAttributeSources.GetCenterAttributes <Vector2>(centerVertexUV1sInputSlots);
vertexAttributeSources.centerUV2s = VertexAttributeSources.GetCenterAttributes <Vector2>(centerVertexUV2sInputSlots);
vertexAttributeSources.centerUV3s = VertexAttributeSources.GetCenterAttributes <Vector2>(centerVertexUV3sInputSlots);
vertexAttributeSources.centerUV4s = VertexAttributeSources.GetCenterAttributes <Vector2>(centerVertexUV4sInputSlots);
vertexAttributeSources.centerTangents = VertexAttributeSources.GetCenterAttributes <Vector4>(centerVertexTangentsInputSlots);
System.Action <Topology.FaceEdge, DynamicMesh.IIndexedVertexAttributes> setRingVertexAttributes =
(Topology.FaceEdge edge, DynamicMesh.IIndexedVertexAttributes va) =>
{
for (int i = 0; i < ringDepth; ++i)
{
if (vertexAttributeSources.ringPositions != null)
{
va.position = vertexAttributeSources.ringPositions[i][edge];
}
if (vertexAttributeSources.ringNormals != null)
{
va.normal = vertexAttributeSources.ringNormals[i][edge];
}
if (vertexAttributeSources.ringColors != null)
{
va.color = vertexAttributeSources.ringColors[i][edge];
}
if (vertexAttributeSources.ringColor32s != null)
{
va.color32 = vertexAttributeSources.ringColor32s[i][edge];
}
if (vertexAttributeSources.ringUV1s != null)
{
va.uv1 = vertexAttributeSources.ringUV1s[i][edge];
}
if (vertexAttributeSources.ringUV2s != null)
{
va.uv2 = vertexAttributeSources.ringUV2s[i][edge];
}
if (vertexAttributeSources.ringUV3s != null)
{
va.uv3 = vertexAttributeSources.ringUV3s[i][edge];
}
if (vertexAttributeSources.ringUV4s != null)
{
va.uv4 = vertexAttributeSources.ringUV4s[i][edge];
}
if (vertexAttributeSources.ringTangents != null)
{
va.tangent = vertexAttributeSources.ringTangents[i][edge];
}
va.Advance();
}
};
System.Action <Topology.Face, DynamicMesh.IIndexedVertexAttributes> setCenterVertexAttributes =
(Topology.Face face, DynamicMesh.IIndexedVertexAttributes va) =>
{
if (vertexAttributeSources.centerPositions != null)
{
va.position = vertexAttributeSources.centerPositions[face];
}
if (vertexAttributeSources.centerNormals != null)
{
va.normal = vertexAttributeSources.centerNormals[face];
}
if (vertexAttributeSources.centerColors != null)
{
va.color = vertexAttributeSources.centerColors[face];
}
if (vertexAttributeSources.centerColor32s != null)
{
va.color32 = vertexAttributeSources.centerColor32s[face];
}
if (vertexAttributeSources.centerUV1s != null)
{
va.uv1 = vertexAttributeSources.centerUV1s[face];
}
if (vertexAttributeSources.centerUV2s != null)
{
va.uv2 = vertexAttributeSources.centerUV2s[face];
}
if (vertexAttributeSources.centerUV3s != null)
{
va.uv3 = vertexAttributeSources.centerUV3s[face];
}
if (vertexAttributeSources.centerUV4s != null)
{
va.uv4 = vertexAttributeSources.centerUV4s[face];
}
if (vertexAttributeSources.centerTangents != null)
{
va.tangent = vertexAttributeSources.centerTangents[face];
}
va.Advance();
};
DynamicMesh.ITriangulation triangulationInstance = null;
switch (triangulation)
{
case Triangulation.Strip:
triangulationInstance = new SeparatedFacesStripTriangulation(ringDepth, setRingVertexAttributes);
break;
case Triangulation.Fan:
triangulationInstance = new SeparatedFacesFanTriangulation(ringDepth, setRingVertexAttributes);
break;
case Triangulation.Umbrella:
triangulationInstance = new SeparatedFacesUmbrellaTriangulation(ringDepth, setRingVertexAttributes, setCenterVertexAttributes);
break;
default:
throw new System.NotImplementedException();
}
DynamicMesh dynamicMesh;
switch (sourceType)
{
case SourceType.InternalFaces:
dynamicMesh = DynamicMesh.Create(topology.enumerableInternalFaces, vertexAttributes, triangulationInstance, maxVerticesPerSubmesh);
break;
case SourceType.FaceGroupCollection:
dynamicMesh = DynamicMesh.Create(faceGroupCollectionInputSlot.GetAsset <FaceGroupCollection>(), vertexAttributes, triangulationInstance, maxVerticesPerSubmesh);
break;
case SourceType.FaceGroup:
dynamicMesh = DynamicMesh.Create(faceGroupInputSlot.GetAsset <FaceGroup>(), vertexAttributes, triangulationInstance, maxVerticesPerSubmesh);
break;
default:
throw new System.NotImplementedException();
}
if (meshOutputSlots.Length != dynamicMesh.submeshCount)
{
var newMeshes = new OutputSlot[dynamicMesh.submeshCount];
System.Array.Copy(meshOutputSlots, newMeshes, Mathf.Min(meshOutputSlots.Length, newMeshes.Length));
for (var i = meshOutputSlots.Length; i < newMeshes.Length; ++i)
{
newMeshes[i] = OutputSlot.CreateGrouped <Mesh>(this, "Mesh", "Meshes");
}
meshOutputSlots = newMeshes;
}
if (meshOutputSlots.Length == 1)
{
meshOutputSlots[0].name = "Mesh";
}
else if (meshOutputSlots.Length > 1)
{
for (int i = 0; i < meshOutputSlots.Length; ++i)
{
meshOutputSlots[i].name = string.Format("Submesh {0}", i);
}
}
for (int i = 0; i < meshOutputSlots.Length; ++i)
{
meshOutputSlots[i].SetAsset(dynamicMesh.GetSubmesh(i));
dynamicMesh.ReplaceSubmesh(i, meshOutputSlots[i].GetAsset <Mesh>());
}
dynamicMeshOutputSlot.SetAsset(dynamicMesh);
yield break;
}
public override IEnumerator BeginGeneration()
{
var surface = surfaceInputSlot.GetAsset <QuadrilateralSurface>();
var topology = topologyInputSlot.GetAsset <Topology>();
var facePositions = facePositionsInputSlot.GetAsset <IFaceAttribute <Vector3> >();
int groupCount = 0;
var faceGroupFaceIndices = new List <int> [axisDivisions.x * axisDivisions.y];
var waitHandle = executive.GenerateConcurrently(() =>
{
var axis0Vector = surface.axis0.vector;
var axis1Vector = surface.axis1.vector;
var surfaceNormal = Vector3.Cross(axis0Vector, axis1Vector).normalized;
var axis0Normal = Vector3.Cross(axis0Vector, surfaceNormal).normalized;
var axis1Normal = Vector3.Cross(axis1Vector, surfaceNormal).normalized;
var axis0DividedVector = axis0Vector / axisDivisions.x;
var axis1DividedVector = axis1Vector / axisDivisions.y;
var axis0Dot = Vector3.Dot(axis1Normal, axis0DividedVector);
var axis1Dot = Vector3.Dot(axis0Normal, axis1DividedVector);
var origin = surface.origin;
for (int i = 0; i < faceGroupFaceIndices.Length; ++i)
{
faceGroupFaceIndices[i] = new List <int>();
}
foreach (var face in topology.internalFaces)
{
var facePosition = facePositions[face];
var axis0Offset = Vector3.Dot(axis1Normal, facePosition - origin) / axis0Dot;
var axis1Offset = Vector3.Dot(axis0Normal, facePosition - origin) / axis1Dot;
var axis0Index = Mathf.Clamp(Mathf.FloorToInt(axis0Offset), 0, axisDivisions.x - 1);
var axis1Index = Mathf.Clamp(Mathf.FloorToInt(axis1Offset), 0, axisDivisions.y - 1);
faceGroupFaceIndices[axis0Index + axis1Index * axisDivisions.x].Add(face.index);
}
foreach (var group in faceGroupFaceIndices)
{
if (group.Count > 0)
{
++groupCount;
}
}
});
while (waitHandle.WaitOne(10) == false)
{
yield return(null);
}
faceGroupOutputSlots = GeneratorUtility.ResizeArray(faceGroupOutputSlots, groupCount,
(int index) =>
{
return(null);
},
(OutputSlot output, int index) =>
{
output.DisconnectAll();
return(output);
});
var faceGroupCollection = FaceGroupCollection.Create(groupCount);
var faceGroupIndices = new int[topology.internalFaces.Count];
var groupIndex = 0;
for (int axis1Index = 0; axis1Index < axisDivisions.y; ++axis1Index)
{
for (int axis0Index = 0; axis0Index < axisDivisions.x; ++axis0Index)
{
var group = faceGroupFaceIndices[axis0Index + axis1Index * axisDivisions.x];
if (group.Count > 0)
{
var faceGroupName = string.Format("Face Group [{0}, {1}]", axis0Index, axis1Index);
var faceGroup = ArrayFaceGroup.Create(topology, group.ToArray()).SetName(faceGroupName);
if (faceGroupOutputSlots[groupIndex] == null)
{
faceGroupOutputSlots[groupIndex] = OutputSlot.CreateGrouped <FaceGroup>(this, faceGroupName, faceGroupCollectionOutputSlot.name, true, OutputSlot.Availability.DuringGeneration);
}
else
{
faceGroupOutputSlots[groupIndex].name = faceGroupName;
faceGroupOutputSlots[groupIndex].path = faceGroupCollectionOutputSlot.name;
}
faceGroupCollection.faceGroups[groupIndex] = faceGroupOutputSlots[groupIndex].SetAsset(faceGroup);
foreach (var faceIndex in group)
{
faceGroupIndices[faceIndex] = groupIndex;
}
++groupIndex;
}
}
}
faceGroupCollectionOutputSlot.SetAsset(faceGroupCollection);
faceGroupIndicesOutputSlot.SetAsset(IntFaceAttribute.Create(faceGroupIndices));
yield break;
}
