private bool DealWithSpecialCases(OutputMesh builder, int facesIndex,
CPNPolygon polygon)
{
CPNSideEdge[] polylines = polygon.sideEdges;
/*---- SPECIAL CASES ----*/
if (MV == 1 && MH != 1)
{
NetPolylineIndicesArray array1 = new NetPolylineIndicesArray(polylines[0], builder);
NetPolylineIndicesArray array2 = new NetPolylineIndicesArray(polylines[2], builder, true);
MeshStructures.CreateSideTriangles(builder, array2, array1, facesIndex);
return(true);
}
if (MV != 1 && MH == 1)
{
NetPolylineIndicesArray array1 = new NetPolylineIndicesArray(polylines[1], builder);
NetPolylineIndicesArray array2 = new NetPolylineIndicesArray(polylines[3], builder, true);
MeshStructures.CreateSideTriangles(builder, array2, array1, facesIndex);
return(true);
}
if (MV == 1 && MH == 1)
{
builder.WriteQuad(facesIndex, polylines[0].GetFirstVertex(), polylines[1].GetFirstVertex(),
polylines[2].GetFirstVertex(), polylines[3].GetFirstVertex());
return(true);
}
return(false);
}
public void EvaluatePolyline(CurvedPolygonsNet net, OutputMesh mesh, CPNGuide guide)
{
bool uvAvailable = net.GetUv() != null && net.GetUv().Length != 0 && mesh.DoUseUVs();
int countP = mesh.CountProperties();
//bool tgAvailable = net.GetTangents() != null && net.GetTangents().Length != 0;
short[] tessellationDegrees = CPNGuide_loqs;
guide.vBuffer = CreateBufferWithIndices(guide.vBuffer, net.GetVertices(), guide.GetIndices());
guide.nBuffer = CreateBufferWithIndices(guide.vBuffer, net.GetNormals(), guide.GetIndices());
if (uvAvailable)
{
guide.uvsBuffer = CreateBufferWithIndices(guide.uvsBuffer, net.GetUv(), guide.GetIndices());
}
if (countP > 0)
{
guide.PreparePropertiesBuffers(countP);
for (int k = 0; k < countP; k++)
{
guide.propertiesBuffer[k] = CreateBufferWithIndices(guide.propertiesBuffer[k],
net.GetProperties3()[k], guide.GetIndices());
}
}
}
public void CreateQuadTessellation(OutputMesh builder, int internalsIndex, int facesIndex,
CPNPolygon polygon)
{
/*---- SPECIAL CASES ----*/
if (DealWithSpecialCases(builder, facesIndex, polygon))
{
return;
}
CPNSideEdge[] polylines = polygon.sideEdges;
int trPosition = facesIndex;
int innerVerticesPosition = internalsIndex;
//Internal Quads -- Pretty Straightforward
for (int i = 0; i < MV - 2; i++)
{
int rowPosition1 = innerVerticesPosition + (i) * (MH - 1);
int rowPosition2 = innerVerticesPosition + (i + 1) * (MH - 1);
for (int j = 0; j < MH - 2; j++)
{
trPosition = builder.WriteQuad(trPosition, rowPosition1 + j, rowPosition1 + j + 1,
rowPosition2 + j + 1, rowPosition2 + j);
}
}
UpdateSides(builder, polygon, trPosition, innerVerticesPosition);
}
public void BuildModel(GameObject gameObject)
{
CurvedPolygonsNet cpnet = GetPolylinesCPNet(asset.GetCPN());
short[] loqs = { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 };
CPNTessellationProcess tessellationProcess = ProcessesKeeper.GetTessellationProcess();
TessellationOutput output = tessellationProcess.InitProcess(cpnet, loqs, this);
//Debug.Log("cpnet.GetGeometriesCount() " + cpnet.GetGeometriesCount());
tessellationProcess.BuildProfile();
int[] builtTrianglesCount = output.GetBuiltTrianglesSize();
int builtVerticesCount = output.GetBuiltVerticesSize();
Vector2[] uvs_ = new Vector2[builtVerticesCount];
Vector3[] vertices_ = new Vector3[builtVerticesCount];
Vector3[] normals_ = new Vector3[builtVerticesCount];
int[][] indices_ = new int[builtTrianglesCount.Length][];
//Debug.Log("indices_ " + indices_.Length);
for (int i = 0; i < builtTrianglesCount.Length; i++)
{
indices_[i] = new int[builtTrianglesCount[i] * 3];
//Debug.Log("indices_[" + i + "] " + indices_[i].Length);
}
OutputMesh mesh = null;
mesh = new OutputMesh(vertices_, uvs_, normals_, indices_);
tessellationProcess.WriteMesh(mesh);
MeshAssigner.AssignMesh(gameObject, vertices_, normals_, uvs_, indices_);
}
public NetPolylineIndicesArray(CPNSideEdge guide, OutputMesh builder)
{
this.guide = guide;
this.builder = builder;
this.position = 0;
this.back = false;
}
// Retrieves meshes from last generate result and creates according Unity meshes
void GetMeshes(Material[] materials, Transform loc2WorldTrafo, out OutputMesh[] meshes)
{
int numMeshes = Prt4Unity.GetMeshCount(ctx);
meshes = new OutputMesh[numMeshes];
for (int i = 0; i < numMeshes; i++)
{
IntPtr name, pVertices, pNormals, pTexcoords;
int numVertices;
Prt4Unity.GetMesh(ctx, i, out name, out numVertices, out pVertices, out pNormals, out pTexcoords);
OutputMesh outputMesh = new OutputMesh();
meshes[i] = outputMesh;
outputMesh.mesh = new Mesh();
outputMesh.mesh.name = Marshal.PtrToStringUni(name);
float[] floats = new float[numVertices * 3];
Marshal.Copy(pVertices, floats, 0, numVertices * 3);
Vector3[] vertices = new Vector3[numVertices];
Vector3 preScale = loc2WorldTrafo.localScale;
for (int v = 0; v < numVertices; v++)
{
vertices[v] = new Vector3(floats[3 * v + 0], floats[3 * v + 1], floats[3 * v + 2]);
vertices[v] = loc2WorldTrafo.InverseTransformPoint(vertices[v]);
vertices[v].x *= preScale.x;
vertices[v].y *= preScale.y;
vertices[v].z *= preScale.z;
}
outputMesh.mesh.vertices = vertices;
Marshal.Copy(pNormals, floats, 0, numVertices * 3);
Vector3[] normals = new Vector3[numVertices];
for (int v = 0; v < numVertices; v++)
{
normals[v] = new Vector3(floats[3 * v + 0], floats[3 * v + 1], floats[3 * v + 2]);
}
outputMesh.mesh.normals = normals;
if (pTexcoords != IntPtr.Zero)
{
Marshal.Copy(pTexcoords, floats, 0, numVertices * 2);
Vector2[] texcoords = new Vector2[numVertices];
for (int v = 0; v < numVertices; v++)
{
texcoords[v] = new Vector2(floats[2 * v + 0], floats[2 * v + 1]);
}
outputMesh.mesh.uv = texcoords;
}
int numSubMeshes = Prt4Unity.GetSubMeshCount(ctx, i);
outputMesh.mesh.subMeshCount = (int)numSubMeshes;
outputMesh.materials = new Material[numSubMeshes];
for (int s = 0; s < numSubMeshes; s++)
{
IntPtr pIndices;
int numIndices, materialIndex;
Prt4Unity.GetSubMesh(ctx, i, s, out pIndices, out numIndices, out materialIndex);
int[] indices = new int[numIndices];
Marshal.Copy(pIndices, indices, 0, numIndices);
outputMesh.mesh.SetTriangles(indices, (int)s);
outputMesh.materials[s] = materials[materialIndex];
}
}
}
public void writeWithGuideBack(CPNSideEdge guide, int N, float step, OutputMesh mesh,
CPNGuideEvaluator evaluator)
{
this.step = step;
requestSize(N + 1);
//We should have only one thickness on multisided edge, you know?
this.thickness = 1;
for (int i = 0; i <= N; i++)
{
//This is the eval-back
evaluator.EvalAt(1.0f - i * step, guide);
Vector3 dev = evaluator.EvalDev(guide);
vertices[i] = evaluator.EvalVertex(guide);
if (i == 0)
{
devFirst = dev;
}
if (i == N)
{
devLast = dev;
}
evaluator.EvalAt(i * step + DELTA, guide);
verticesDplus[i] = evaluator.EvalVertex(guide);
evaluator.EvalAt(i * step - DELTA, guide);
verticesDminus[i] = evaluator.EvalVertex(guide);
normals[i] = evaluator.EvalNormal(guide, dev).normalized;
uvs[i] = evaluator.EvalUV(guide);
for (int k = 0; k < countP; k++)
{
properties[k][i] = evaluator.EvalProperty(guide, k);
}
}
}
private void WriteMesh(Mesh storedMesh, OutputMesh output /*,bool useUnityNormals*/)
{
if (output.GetVertices().Length > CPNTessellationProcess.MAX_VERTICES_SIZE)
{
return;
}
storedMesh.Clear();
storedMesh.vertices = output.GetVertices();
storedMesh.uv = output.GetUVs();
storedMesh.normals = output.GetNormals();
int[][] triangles = output.GetTriangles();
if (triangles.Length == 0)
{
storedMesh.SetTriangles(new int[0], 0);
}
else
{
storedMesh.subMeshCount = triangles.Length;
for (int i = 0; i < triangles.Length; i++)
{
storedMesh.SetTriangles(triangles[i], i);
}
}
}
public void Execute()
{
CurvedPolygonsNet cpnet = asset.GetCPN();
short[] loqs = { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 };
CPNTessellationProcess tessellationProcess = ProcessesKeeper.GetTessellationProcess();
TessellationOutput output = tessellationProcess.InitProcess(cpnet, loqs);
tessellationProcess.BuildProfile();
int[] builtTrianglesCount = output.GetBuiltTrianglesSize();
int builtVerticesCount = output.GetBuiltVerticesSize();
uvs_ = new Vector2[builtVerticesCount];
vertices_ = new Vector3[builtVerticesCount];
normals_ = new Vector3[builtVerticesCount];
indices_ = new int[builtTrianglesCount.Length][];
for (int i = 0; i < builtTrianglesCount.Length; i++)
{
indices_[i] = new int[builtTrianglesCount[i] * 3];
}
OutputMesh mesh = null;
mesh = new OutputMesh(vertices_, uvs_, normals_, indices_);
tessellationProcess.WriteMesh(mesh);
}
public LinearMeshIndicesArray(int first, int move, int count, OutputMesh builder)
{
this.first = first;
this.move_ = move;
this.count_ = count;
this.source = builder;
this.position = 0;
}
public int UpdateSides(OutputMesh builder, CPNPolygon polygon, int trPosition,
int innerVerticesPosition)
{
CPNSideEdge[] polylines = polygon.sideEdges;
first[0] = innerVerticesPosition;
first[1] = innerVerticesPosition + (MH - 2);
first[2] = innerVerticesPosition + (MV - 1) * (MH - 1) - 1;
first[3] = innerVerticesPosition + (MV - 2) * (MH - 1);
move[0] = 1;
move[1] = (MH - 1);
move[2] = -1;
move[3] = -(MH - 1);
count[0] = MH - 1;
count[1] = MV - 1;
count[2] = MH - 1;
count[3] = MV - 1;
for (int i = 0; i < 4; i++)
{
if (polylines[i].GetN() > 1)
{
LinearMeshIndicesArray lmi = new LinearMeshIndicesArray(first[i], move[i], count[i], builder);
NetPolylineInternalIndicesArray npi = new NetPolylineInternalIndicesArray(polylines[i], builder);
trPosition = MeshStructures.CreateSideTriangles(builder, lmi, npi, trPosition);
}
else
{
LinearMeshIndicesArray lmi = new LinearMeshIndicesArray(first[i], move[i], count[i], builder);
NetPolylineIndicesArray npi = new NetPolylineIndicesArray(polylines[i], builder);
trPosition = MeshStructures.CreateSideTriangles(builder, lmi, npi, trPosition);
}
int prev = i == 0 ? 3 : i - 1;
if (polylines[i].GetN() > 1 && polylines[prev].GetN() > 1)
{
trPosition = builder.WriteQuad(trPosition, polylines[i].GetIndex(0), polylines[i].GetIndex(1), first[i],
polylines[prev].GetBackIndex(1));
}
else if (polylines[i].GetN() > 1)
{
trPosition = builder.WriteTriangle(trPosition, polylines[i].GetIndex(0), polylines[i].GetIndex(1),
first[i]);
}
else if (polylines[prev].GetN() > 1)
{
trPosition = builder.WriteTriangle(trPosition, polylines[i].GetIndex(0), first[i],
polylines[prev].GetBackIndex(1));
}
// System.err.println("trPosition on sides " + trPosition);
}
return(trPosition);
}
public void Setup(int first, int move, int count, int last, OutputMesh builder, int layer)
{
this.first = first;
this.move_ = move;
this.count_ = count;
this.last = last;
this.source = builder;
this.layer = layer;
position = 0;
}
public void WriteMesh(OutputMesh mesh)
{
int position = WriteVertices(mesh);
position = WriteEdges(mesh, position);
WriteEdgesNormals(mesh);
position = WritePolygons(mesh, position);
}
public NGonsMeshIndicesArray(int first, int move, int count, int last, OutputMesh builder, int layer)
{
this.first = first;
this.move_ = move;
this.count_ = count;
this.last = last;
this.source = builder;
this.layer = layer;
position = 0;
}
public void Setup(int first, int move, int deltaMove, int count, OutputMesh builder, int layer)
{
this.deltaMove = deltaMove;
this.basemove = move;
this.move_ = move + deltaMove;
this.count_ = count;
this.builder = builder;
this.layer = layer;
index = first;
next = first + this.move_;
this.first = first;
}
int WritePolygons(OutputMesh mesh, int position)
{
int geometriesCount = this.curvedPolygonsNet.GetGeometriesCount();
CPNPolygon[][] polygons = tessellationOutput.GetPolygons();
int[][] polygonsProfile = tessellationOutput.GetPolygonsProfile();
int[][] polygonsVerticesProfile = tessellationOutput.GetPolygonsVerticesProfile();
for (int k = 0; k < geometriesCount; k++)
{
mesh.SetGeometry(k);
CPNGeometry geometry = this.curvedPolygonsNet.GetGeometries()[k];
int geomPolygonsCount = subSet == null?geometry.GetPolygonsCount() : subSet.polygons[k].Length;
for (int i = 0; i < geomPolygonsCount; i++)
{
int index = subSet == null ? i : subSet.polygons[k][i];
int countEffectiveSize = polygons[k][index].sideEdges.Length;
CPNPolygon polygonData = polygons[k][index];
if (countEffectiveSize > 2 && countEffectiveSize < TESSELLATION_PROCESS_NET_INTERPOLATORS &&
!polygonData.skip)
{
polygonData.computeSideEdgesSizes();
ICPNetInterpolator netInterpolator = manager.GetSchema(polygonData.schemaIndex).
interpolators[countEffectiveSize];
netInterpolator.UdpdateContent(mesh, polygonData, polygonsVerticesProfile[k][index],
polygonsProfile[k][index]);
}
}
position += polygonsVerticesProfile[k][geometry.GetPolygonsCount()];
int triangleIndex = polygonsProfile[k][geometry.GetPolygonsCount()];
int trianglesCount = geometry.GetTrianglesCount();
short[] triangles = geometry.GetTriangles();
for (int i = 0; i < trianglesCount; i++)
{
mesh.WriteTriangle(triangleIndex, triangles[3 * i], triangles[3 * i + 1], triangles[3 * i + 2]);
triangleIndex++;
}
int quadsCount = geometry.GetQuadsCount();
short[] quads = geometry.GetQuads();
for (int i = 0; i < quadsCount; i++)
{
mesh.WriteQuad(triangleIndex, quads[3 * i], quads[3 * i + 1], quads[3 * i + 2], quads[3 * i + 3]);
triangleIndex += 2;
}
}
return(position);
}
public void Execute()
{
CurvedPolygonsNet cpnet = asset.GetCPN();
CurvedPolyVariants cpnVariants = new CurvedPolyVariants();
cpnVariants.SetCPN(cpnet);
short[] loqs = { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 };
CPNTessellationProcess tessellationProcess = ProcessesKeeper.GetTessellationProcess();
TessellationOutput output = tessellationProcess.InitProcess(cpnet, loqs);
//Debug.Log("cpnet.GetGeometriesCount() " + cpnet.GetGeometriesCount());
tessellationProcess.BuildProfile();
int[] builtTrianglesCount = output.GetBuiltTrianglesSize();
int builtVerticesCount = output.GetBuiltVerticesSize();
uvs_ = new Vector2[builtVerticesCount];
vertices_ = new Vector3[builtVerticesCount];
normals_ = new Vector3[builtVerticesCount];
indices_ = new int[builtTrianglesCount.Length][];
for (int i = 0; i < builtTrianglesCount.Length; i++)
{
indices_[i] = new int[builtTrianglesCount[i] * 3];
}
OutputMesh mesh = null;
mesh = new OutputMesh(vertices_, uvs_, normals_, indices_);
tessellationProcess.WriteMesh(mesh);
//here
int id = cpnVariants.GetFreeTessellationRecordId();
cpnVariants.SetRecord(id, new OutputMesh(vertices_, uvs_, normals_, indices_), output);
//this.outMesh = cpnVariants.GetMeshOutput(id).GetNewCloneVariant();
CPNSubset subsSet = new CPNSubset();
TessellationOutput output2 = tessellationProcess.InitProcess(cpnet, loqs, subsSet);
this.mesh2 = new OutputMesh(outMesh.GetVertices(), outMesh.GetUVs(),
outMesh.GetNormals(), outMesh.GetTriangles());
tessellationProcess.WriteMesh(mesh2);
}
void WriteEdgesNormals(OutputMesh mesh)
{
IGuideModel guideEvaluator = GetGuideModel();
CPNGuide[] guides = this.tessellationOutput.GetGuides();
int edgesSize = subSet == null?curvedPolygonsNet.GetEdgesCount() : subSet.edges.Length;
for (int i = 0; i < edgesSize; i++)
{
int index = subSet == null ? i : subSet.edges[i];
if (guides[index].GetN() > 0)
{
guideEvaluator.EvaluateNormals(mesh, guides[index]);
}
}
}
Vector3 EvalVertex(OutputMesh builder, CPNPolygon polylines, float innerX, float innerY, out Vector3 uv)
{
updateVals(innerX, innerY);
for (int k = 0; k < sides; k++)
{
int kprev = k == 0 ? sides - 1 : k - 1;
float dx = (innerX * cos_[k] - innerY * sin_[k]) - 1;
float dy = (innerX * sin_[k] + innerY * cos_[k]);
float U = cornerCoordsMatrix[0] * dx + cornerCoordsMatrix[2] * dy;
float V = cornerCoordsMatrix[1] * dx + cornerCoordsMatrix[3] * dy;
int indexU = (int)((U + 0.0001f) * totalInterpolationStep);
int indexV = (int)((V + 0.0001f) * totalInterpolationStep);
if (indexU > interpolationSteps)
{
indexU = interpolationSteps;
}
if (indexV > interpolationSteps)
{
indexV = interpolationSteps;
}
tmpInterpolations[k] = evalVertex(polylines.sideEdges[k], polylines.sideEdges[kprev], U, V);
tmpInterpolationsUV[k] = evalUV(polylines.sideEdges[k], polylines.sideEdges[kprev], U, V);
}
Vector3 vertex = val[0] * tmpInterpolations[0];
uv = val[0] * tmpInterpolationsUV[0];
for (int k = 1; k < sides; k++)
{
vertex = vertex + tmpInterpolations[k] * val[k];
uv = uv + tmpInterpolationsUV[k] * val[k];
}
return(vertex);
}
int WriteEdges(OutputMesh mesh, int position)
{
IGuideModel guideEvaluator = GetGuideModel();
int edgesSize = subSet == null?curvedPolygonsNet.GetEdgesCount() : subSet.edges.Length;
CPNGuide[] guides = this.tessellationOutput.GetGuides();
int[] edgesProfile = this.tessellationOutput.GetEdgesProfile();
for (int i = 0; i < edgesSize; i++)
{
int index = subSet == null ? i : subSet.edges[i];
CPNGuide polyline = guides[index];
if (polyline.GetN() > 0)
{
short[] edge = curvedPolygonsNet.GetEdges(/* i */);
int edgeLength = curvedPolygonsNet.GetEdgeLength(index);
float[] edgeWeights = curvedPolygonsNet.GetEdgeWeights(/* i */);
short[] edgeHints = curvedPolygonsNet.GetEdgeHints(/* i */);
int edgePosition = curvedPolygonsNet.GetEdgePosition(index);
guideEvaluator.EvaluateEdge(curvedPolygonsNet, mesh, polyline, (short)edgeLength, edge, edgePosition,
edgeHints, edgeWeights,
edgesProfile, index);
position += polyline.GetN() - 1;
}
}
edgesSize = curvedPolygonsNet.GetEdgesCount();
int polylinesSize = subSet == null?curvedPolygonsNet.GetPolylinesCount() : subSet.polylines.Length;
//No need to compute polylines
for (int i = 0; i < polylinesSize; i++)
{
int index = subSet == null ? i : subSet.edges[i];
index += edgesSize;
CPNGuide polyline = guides[index];
guideEvaluator.EvaluatePolyline(curvedPolygonsNet, mesh, polyline);
}
return(position);
}
private void prepareMemory(int M, CPNSideEdge[] guides, OutputMesh mesh)
{
int triangleSize = ((M)*(M + 1)) >> 1;
int totalSize = (triangleSize) * sides + 1;
memory.requestSize(totalSize);
for (int i = 0; i < sides; i++)
{
int relativePosition = triangleSize * (sides - 1 - i);
bufferTemp.requestSize(M + 1);
bufferTemp.writeWithGuideBack(guides[i], M, mesh, evaluator);
for (int j = 0; j < M; j++)
{
memory.vertices[relativePosition + j] = bufferTemp.vertices[j];
memory.uv[relativePosition + j] = bufferTemp.uvs[j];
}
}
}
public void EvaluateNormals(OutputMesh mesh, CPNGuide guide)
{
int N = guide.GetN();
if (N <= 0)
{
return;
}
bool doTangents = mesh.DoUseTangents();
bool doNormals = mesh.DoNormals();
if (doNormals)
{
float step = 1.0f / N;
for (int j = 1; j < N; j++)
{
EvalAt(j * step, guide);
Vector3 dev;
Vector3 normal = EvalNormal(guide, out dev);
int index = guide.GetIndex(j);
mesh.SetNormal(index, normal.normalized);
if (doTangents)
{
mesh.SetTangent(index, GetTangent(guide, dev, normal).normalized);
}
}
if (doTangents)
{
for (int j = 0; j <= N; j += N)
{
EvalAt(j * step, guide);
Vector3 dev = EvalDev(guide);
int index = guide.GetIndex(j);
Vector3 normal = mesh.GetNormal(index);
mesh.SetTangent(index, GetTangent(guide, dev, normal).normalized);
}
}
}
}
public void writeWithGuide(CPNSideEdge guide, int N, float step, OutputMesh mesh,
CPNGuideEvaluator evaluator)
{
this.step = step;
requestSize(N + 1);
//We should have only one thickness on multisided edge, you know?
this.thickness = 1;
for (int i = 0; i <= N; i++)
{
ts[i] = evaluator.EvalAt(i * step, guide);
Vector3 dev = evaluator.EvalDev(guide);
vertices[i] = evaluator.EvalVertex(guide);
uvs[i] = evaluator.EvalUV(guide);
normals[i] = evaluator.EvalNormal(guide, dev).normalized;
for (int k = 0; k < countP; k++)
{
properties[k][i] = evaluator.EvalProperty(guide, k);
}
}
}
int WriteVertices(OutputMesh mesh)
{
int numberOfVertices = subSet == null?curvedPolygonsNet.GetNumberOfVertices() :
subSet.vertices.Length;
Vector3[] vertices = curvedPolygonsNet.GetVertices();
Vector3[] normals = curvedPolygonsNet.GetNormals();
Vector3[] uvs = curvedPolygonsNet.GetUv();
Vector3[][] properties = curvedPolygonsNet.GetProperties3();
int countProperties = mesh.CountProperties();
//Vector3[] tangents = curvedPolygonsNet.GetTangents();
//bool doTangents = tangents != null;
bool doUvs = uvs != null && mesh.DoUseUVs();
bool doNormals = normals != null && mesh.DoNormals();
for (int i = 0; i < numberOfVertices; i++)
{
int index = subSet == null ? i : subSet.vertices[i];
mesh.SetVertex(index, vertices[index]);
if (doUvs)
{
mesh.SetUV(index, uvs[index]);
}
if (doNormals)
{
mesh.SetNormal(index, normals[index]);
}
for (int k = 0; k < countProperties; k++)
{
mesh.SetProperty3(index, k, properties[k][index]);
}
}
return(numberOfVertices);
}
public void UdpdateContent(OutputMesh mesh, CPNPolygon polygon, int internalsIndex,
int facesIndex, bool doUpdateStructure = true)
{
triangleStructure.RetrieveInfos(polygon);
int M = triangleStructure.GetM();
float step = 1.0f / M;
CPNSideEdge[] polylines = polygon.sideEdges;
buffer0.writeWithGuide(polylines[0], M, mesh, evaluator);
buffer1.writeWithGuide(polylines[1], M, mesh, evaluator);
buffer2.writeWithGuide(polylines[2], M, mesh, evaluator);
corner0.Set(buffer0, buffer2);
corner1.Set(buffer1, buffer0);
corner2.Set(buffer2, buffer1);
prepareMemory(M);
for (int i = 1; i < M - 1; i++)
{
for (int j = 1; j < M - 1 - (i - 1); j++)
{
int wIndex = M - i - j;
Vector3 V1 = corner0.evalVertex(j, i);
Vector3 V1uv = corner0.evalUV(j, i);
Vector3 V2 = corner1.evalVertex(i, wIndex);
Vector3 V2uv = corner1.evalUV(i, wIndex);
Vector3 V3 = corner2.evalVertex(wIndex, j);
Vector3 V3uv = corner2.evalUV(wIndex, j);
float U = j * step;
float V = i * step;
float W = 1 - U - V;
float a1 = W * W;
float a2 = U * U;
float a3 = V * V;
#if DEBUG
if (interpolationCorner != 0)
{
switch (interpolationCorner)
{
case 1: a1 = 1; a2 = 0; a3 = 0; break;
case 2: a1 = 0; a2 = 1; a3 = 0; break;
case 3: a1 = 0; a2 = 0; a3 = 1; break;
}
}
#endif
float rec = 1.0f / (a1 + a2 + a3);
a1 *= rec;
a2 *= rec;
a3 *= rec;
Vector3 vertex = V1 * a1 + V2 * a2 + V3 * a3;
Vector3 uv = V1uv * a1 + V2uv * a2 + V3uv * a3;
int memoryIndex = j + i * (M + 1) - (((i) * (i - 1)) >> 1);
memory.vertices[memoryIndex] = vertex;
memory.uv[memoryIndex] = uv;
}
}
int position = internalsIndex;
for (int i = 1; i < M - 1; i++)
{
for (int j = 1; j < M - 1 - (i - 1); j++)
{
int rowIndex = i * (M + 1) - (((i) * (i - 1)) >> 1);
int rowIndexPrev = (i - 1) * (M + 1) - (((i - 1) * (i - 2)) >> 1);
int rowIndexNext = (i + 1) * (M + 1) - (((i + 1) * (i)) >> 1);
int memoryIndex = j + rowIndex;
Vector3 vertex = memory.vertices[memoryIndex];
Vector3 uv = memory.uv[memoryIndex];
//Normal (S is the vertices, the surface)
Vector3 dSdu = memory.vertices[memoryIndex + 1] - memory.vertices[memoryIndex - 1];
Vector3 dSdv = memory.vertices[rowIndexNext + j] - memory.vertices[rowIndexPrev + j];
Vector3 normal = Vector3.Cross(dSdu, dSdv).normalized;
//Tangent
Vector3 dTxdu = memory.uv[memoryIndex + 1] - memory.uv[memoryIndex - 1];
Vector3 dTxdv = memory.uv[rowIndexNext + j] - memory.uv[rowIndexPrev + j];
Vector3 tangent = getTangent(dSdu, dSdv, dTxdu, dTxdv);
mesh.SetPNUV(position, vertex, normal, uv, tangent);
position++;
}
}
if (doUpdateStructure)
{
triangleStructure.CreateTriangleTessellation(mesh, internalsIndex, facesIndex, polygon);
}
}
public void UdpdateContent(OutputMesh mesh, CPNPolygon polygon, int internalsIndex,
int facesIndex, bool doUpdateStructure = true)
{
triangleStructure.RetrieveInfos(polygon);
bool useUV = mesh.DoUseUVs();
bool useNormals = mesh.DoNormals();
bool useTangents = mesh.DoUseUVs();
int countProperties = mesh.CountProperties();
buffer0.requestProperties(countProperties);
buffer1.requestProperties(countProperties);
buffer2.requestProperties(countProperties);
int M = triangleStructure.GetM();
float step = 1.0f / M;
CPNSideEdge[] polylines = polygon.sideEdges;
buffer0.writeWithGuide(polylines[0], M, mesh, evaluator);
buffer1.writeWithGuide(polylines[1], M, mesh, evaluator);
buffer2.writeWithGuide(polylines[2], M, mesh, evaluator);
edgeSurface0.Set(buffer0, buffer2, buffer1);
edgeSurface1.Set(buffer1, buffer0, buffer2);
edgeSurface2.Set(buffer2, buffer1, buffer0);
computeCorners();
float l1 = ks[0] * ks[1] * ks[0] * ks[1];
float l2 = ks[1] * ks[2] * ks[1] * ks[2];
float l3 = ks[2] * ks[0] * ks[2] * ks[0];
prepareMemory(M, countProperties);
int position = internalsIndex;
for (int i = 1; i < M - 1; i++)
{
for (int j = 1; j < M - 1 - (i - 1); j++)
{
int k = M - i - j;
float U = j * step;
float V = i * step;
float W = 1 - U - V;
float a1 = U * U * W * W * l1 /** buffer0.thickness*/;
float a2 = V * V * U * U * l2 /** buffer1.thickness*/;
float a3 = W * W * V * V * l3 /** buffer2.thickness*/;
//float a1 = W * W;
//float a2 = U * U;
//float a3 = V * V;
if (TriangleInterpolator4.interpolationCorner != 0)
{
switch (TriangleInterpolator4.interpolationCorner)
{
case 1: a1 = 1; a2 = 0; a3 = 0; break;
case 2: a1 = 0; a2 = 1; a3 = 0; break;
case 3: a1 = 0; a2 = 0; a3 = 1; break;
}
}
float rec = 1.0f / (a1 + a2 + a3);
a1 *= rec;
a2 *= rec;
a3 *= rec;
Vector3 V1 = edgeSurface0.evalVertex(/*j,*/ i, polylines[0], U / (1 - V));
Vector3 V2 = edgeSurface1.evalVertex(/*i,*/ k, polylines[1], V / (1 - W));
Vector3 V3 = edgeSurface2.evalVertex(/*k,*/ j, polylines[2], W / (1 - U));
Vector3 vertex = V1 * a1 + V2 * a2 + V3 * a3;
int memoryIndex = j + i * (M + 1) - (((i) * (i - 1)) >> 1);
memory.vertices[memoryIndex] = vertex;
if (useUV)
{
Vector3 V1uv = edgeSurface0.evalUV(/*j,*/ i, polylines[0], U / (1 - V));
Vector3 V2uv = edgeSurface1.evalUV(/*i,*/ k, polylines[1], V / (1 - W));
Vector3 V3uv = edgeSurface2.evalUV(/*k,*/ j, polylines[2], W / (1 - U));
Vector3 uv = V1uv * a1 + V2uv * a2 + V3uv * a3;
//Vector3 vertex = V3;
//Vector3 uv = V3uv;
memory.uv[memoryIndex] = uv;
}
for (int pIndex = 0; pIndex < countProperties; pIndex++)
{
Vector3 V1prop = edgeSurface0.evalProperty(pIndex, i, polylines[0], U / (1 - V));
Vector3 V2prop = edgeSurface1.evalProperty(pIndex, k, polylines[1], V / (1 - W));
Vector3 V3prop = edgeSurface2.evalProperty(pIndex, j, polylines[2], W / (1 - U));
Vector3 prop = V1prop * a1 + V2prop * a2 + V3prop * a3;
mesh.SetProperty3(position, pIndex, prop);
}
position++;
}
}
position = internalsIndex;
for (int i = 1; i < M - 1; i++)
{
for (int j = 1; j < M - 1 - (i - 1); j++)
{
int rowIndex = i * (M + 1) - (((i) * (i - 1)) >> 1);
int rowIndexPrev = (i - 1) * (M + 1) - (((i - 1) * (i - 2)) >> 1);
int rowIndexNext = (i + 1) * (M + 1) - (((i + 1) * (i)) >> 1);
int memoryIndex = j + rowIndex;
Vector3 vertex = memory.vertices[memoryIndex];
Vector3 uv = memory.uv[memoryIndex];
Vector3 normal = Vector3.zero;
Vector3 tangent = Vector3.zero;
if (useNormals)
{
//Normal (S is the vertices, the surface)
Vector3 dSdu = memory.vertices[memoryIndex + 1] - memory.vertices[memoryIndex - 1];
Vector3 dSdv = memory.vertices[rowIndexNext + j] - memory.vertices[rowIndexPrev + j];
normal = Vector3.Cross(dSdu, dSdv).normalized;
if (useTangents)
{
//Tangent
Vector3 dTxdu = memory.uv[memoryIndex + 1] - memory.uv[memoryIndex - 1];
Vector3 dTxdv = memory.uv[rowIndexNext + j] - memory.uv[rowIndexPrev + j];
tangent = getTangent(dSdu, dSdv, dTxdu, dTxdv);
}
}
mesh.SetPNUV(position, vertex, normal, uv, tangent);
position++;
}
}
if (doUpdateStructure)
{
triangleStructure.CreateTriangleTessellation(mesh, internalsIndex, facesIndex, polygon);
}
}
public static int CreateSideTriangles2(OutputMesh builder,
IMeshIndicesArray inside, IMeshIndicesArray outside,
int intTrIndex)
{
Vector3[] vs = builder.GetVertices();
int outerEdgeLength = outside.Count();
int innerEdgeLength = inside.Count();
int outerIndex = 0;
int innerIndex = 0;
float dtInner = innerEdgeLength > 1 ? 1.0f / (innerEdgeLength - 1) : 1;
float dtOuter = outerEdgeLength > 1 ? 1.0f / (outerEdgeLength - 1) : 1;
float kIn = 0;
float kOut = 1;
if (outerEdgeLength > 1 && innerEdgeLength > 1)
{
Vector3 A = vs[outside.GetIndex()];
Vector3 B = vs[outside.GetNext()];
Vector3 C = vs[inside.GetIndex()];
Vector3 D = vs[outside.GetAtIndex(outerEdgeLength - 2)];
Vector3 E = vs[outside.GetAtIndex(outerEdgeLength - 1)];
Vector3 F = vs[inside.GetAtIndex(innerEdgeLength - 1)];
kIn = Vector3.Dot(C - A, B - A) / Vector3.Dot(B - A, B - A);
kOut = Vector3.Dot(F - D, E - D) / Vector3.Dot(E - D, E - D);
float rect = 1.0f / (outerEdgeLength - 1);
kIn = kIn * rect;
kOut = 1 - (1 - kOut) * rect;
}
while (innerIndex < innerEdgeLength - 1 || outerIndex < outerEdgeLength - 1)
{
if (innerIndex < innerEdgeLength - 1)
{
if (outerIndex < outerEdgeLength - 1)
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id3 = outside.GetNext();
int id4 = inside.GetNext();
float tOuter = dtOuter * (outerIndex);
float tInner = dtInner * (innerIndex) * (kOut - kIn) + kIn;
if (tInner <= tOuter)
{
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
innerIndex++;
inside.Move();
}
else
{
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id3, id2);
outerIndex++;
outside.Move();
}
}
else
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id4 = inside.GetNext();
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
innerIndex++;
inside.Move();
}
}
else
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id3 = outside.GetNext();
intTrIndex = builder.WriteTriangle(
intTrIndex, id1, id3, id2);
outerIndex++;
outside.Move();
}
}
return(intTrIndex);
}
public static int CreateSideTriangles(OutputMesh builder,
IMeshIndicesArray inside, IMeshIndicesArray outside,
int intTrIndex)
{
/*Vector3[] vs = builder.GetVertices();
* int outerEdgeLength = outside.Count();
* int innerEdgeLength = inside.Count();
* int outerIndex = 0;
* int innerIndex = 0;
*
* while (innerIndex < innerEdgeLength - 1 || outerIndex < outerEdgeLength - 1)
* {
* if (innerIndex < innerEdgeLength - 1)
* {
* if (outerIndex < outerEdgeLength - 1)
* {
* int id1 = outerIndex;
* int id2 = innerIndex;
* int id3 = outside.GetNext();
* int id4 = inside.GetNext();
*
* Vector3 P1 = vs[id1];
* Vector3 P2 = vs[id2];
* Vector3 P3 = vs[id3];
* Vector3 P4 = vs[id4];
*
* float dInner = (P4 - P1).sqrMagnitude;
* float dOuter = (P3 - P2).sqrMagnitude;
*
* if (dInner < dOuter) {
* intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
* innerIndex++;
* inside.Move();
* } else {
* intTrIndex = builder.WriteTriangle(intTrIndex, id1, id3, id2);
* outerIndex++;
* outside.Move();
*
* }
* }
* else
* {
*
* int id1 = outerIndex;
* int id2 = innerIndex;
* int id4 = inside.GetNext();
*
* intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
* innerIndex++;
* inside.Move();
* }
* }
* else
* {
* int id1 = outerIndex;
* int id2 = innerIndex;
* int id3 = outside.GetNext();
* intTrIndex = builder.WriteTriangle(
* intTrIndex, id1, id3, id2);
* outerIndex++;
* outside.Move();
* }
* }
*
* return intTrIndex;*/
Vector3[] vs = builder.GetVertices();
int outerEdgeLength = outside.Count();
int innerEdgeLength = inside.Count();
int outerIndex = 0;
int innerIndex = 0;
while (innerIndex < innerEdgeLength - 1 || outerIndex < outerEdgeLength - 1)
{
if (innerIndex < innerEdgeLength - 1)
{
if (outerIndex < outerEdgeLength - 1)
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id3 = outside.GetNext();
int id4 = inside.GetNext();
Vector3 P1 = vs[id1];
Vector3 P2 = vs[id2];
Vector3 P3 = vs[id3];
Vector3 P4 = vs[id4];
float dInner = (P4 - P1).sqrMagnitude;
float dOuter = (P3 - P2).sqrMagnitude;
if (dInner <= dOuter)
{
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
innerIndex++;
inside.Move();
}
else
{
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id3, id2);
outerIndex++;
outside.Move();
}
}
else
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id4 = inside.GetNext();
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
innerIndex++;
inside.Move();
}
}
else
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id3 = outside.GetNext();
intTrIndex = builder.WriteTriangle(
intTrIndex, id1, id3, id2);
outerIndex++;
outside.Move();
}
}
return(intTrIndex);
}
public bool Generate(Mesh startShape, Transform loc2WorldTrafo, Shader shader, out OutputMesh[] meshes, string specialMaterial)
{
Vector3[] vertices = new Vector3[startShape.vertices.Length];
for (int i = 0; i < vertices.Length; i++)
vertices[i] = loc2WorldTrafo.TransformPoint(startShape.vertices[i]);
if(!Prt4Unity.Generate(ctx, vertices, vertices.Length, startShape.triangles, startShape.triangles.Length, specialMaterial))
{
meshes = null;
return false;
}
Material[] materials = GetMaterials(shader);
GetMeshes(materials, loc2WorldTrafo, out meshes);
Prt4Unity.ReleaseMeshesAndMaterials(ctx);
return true;
}
public void Free()
{
used = false;
tessellationOutput = null;
outputMesh = null;
}
public NetPolylineInternalIndicesArray(CPNSideEdge sideEdge, OutputMesh builder)
{
this.sideEdge = sideEdge;
this.builder = builder;
this.position = 0;
}
// Retrieves meshes from last generate result and creates according Unity meshes
void GetMeshes(Material[] materials, Transform loc2WorldTrafo, out OutputMesh[] meshes)
{
int numMeshes = Prt4Unity.GetMeshCount(ctx);
meshes = new OutputMesh[numMeshes];
for(int i = 0; i < numMeshes; i++)
{
IntPtr name, pVertices, pNormals, pTexcoords;
int numVertices;
Prt4Unity.GetMesh(ctx, i, out name, out numVertices, out pVertices, out pNormals, out pTexcoords);
OutputMesh outputMesh = new OutputMesh();
meshes[i] = outputMesh;
outputMesh.mesh = new Mesh();
outputMesh.mesh.name = Marshal.PtrToStringUni(name);
float[] floats = new float[numVertices * 3];
Marshal.Copy(pVertices, floats, 0, numVertices * 3);
Vector3[] vertices = new Vector3[numVertices];
Vector3 preScale = loc2WorldTrafo.localScale;
for (int v = 0; v < numVertices; v++) {
vertices[v] = new Vector3(floats[3 * v + 0], floats[3 * v + 1], floats[3 * v + 2]);
vertices[v] = loc2WorldTrafo.InverseTransformPoint(vertices[v]);
vertices[v].x *= preScale.x;
vertices[v].y *= preScale.y;
vertices[v].z *= preScale.z;
}
outputMesh.mesh.vertices = vertices;
Marshal.Copy(pNormals, floats, 0, numVertices * 3);
Vector3[] normals = new Vector3[numVertices];
for(int v = 0; v < numVertices; v++)
normals[v] = new Vector3(floats[3 * v + 0], floats[3 * v + 1], floats[3 * v + 2]);
outputMesh.mesh.normals = normals;
if(pTexcoords != IntPtr.Zero)
{
Marshal.Copy(pTexcoords, floats, 0, numVertices * 2);
Vector2[] texcoords = new Vector2[numVertices];
for(int v = 0; v < numVertices; v++)
texcoords[v] = new Vector2(floats[2 * v + 0], floats[2 * v + 1]);
outputMesh.mesh.uv = texcoords;
}
int numSubMeshes = Prt4Unity.GetSubMeshCount(ctx, i);
outputMesh.mesh.subMeshCount = (int)numSubMeshes;
outputMesh.materials = new Material[numSubMeshes];
for(int s = 0; s < numSubMeshes; s++)
{
IntPtr pIndices;
int numIndices, materialIndex;
Prt4Unity.GetSubMesh(ctx, i, s, out pIndices, out numIndices, out materialIndex);
int[] indices = new int[numIndices];
Marshal.Copy(pIndices, indices, 0, numIndices);
outputMesh.mesh.SetTriangles(indices, (int)s);
outputMesh.materials[s] = materials[materialIndex];
}
}
}
public bool Generate(Mesh startShape, Transform loc2WorldTrafo, Shader shader, out OutputMesh[] meshes)
{
ctx.SetAttributes(attributes);
return ctx.Generate(startShape, loc2WorldTrafo, shader, out meshes, collisionMaterial);
}