public NiTriShape(NiTriBasedGeom shape) { this.name = ""; this.nameIdx = -1; this.numExtraData = shape.GetNumExtraData(); this.extraData = shape.GetExtraData(); this.controller = shape.GetController(); this.flags = shape.GetFlags(); this.flags2 = shape.GetFlags2(); this.translation = shape.GetTranslation(); this.rotation = shape.GetRotation(); this.scale = shape.GetScale(); this.collisionObject = shape.GetCollisionObject(); this.data = shape.GetData(); this.skinInstance = shape.GetSkinInstance(); this.numMaterials = shape.GetNumMaterials(); this.materialNames = shape.GetMaterialNames(); this.materialExtraData = shape.GetMaterialExtraData(); this.activeMaterial = shape.GetActiveMaterial(); this.dirtyFlag = shape.GetDirtyFlag(); this.numProperties = shape.GetNumProperties(); this.properties = new List <int>(); for (int index = 0; (long)index < (long)this.numProperties; ++index) { this.properties.Add(shape.GetProperty(index)); } this.bsProperties = new int[2]; for (int index = 0; index < 2; ++index) { this.bsProperties[index] = shape.GetBSProperty(index); } }
public NiTriShape(NiTriBasedGeom shape) { this.name = ""; this.nameIdx = -1; this.numExtraData = shape.GetNumExtraData(); this.extraData = shape.GetExtraData(); this.controller = shape.GetController(); this.flags = shape.GetFlags(); this.flags2 = shape.GetFlags2(); this.translation = shape.GetTranslation(); this.rotation = shape.GetRotation(); this.scale = shape.GetScale(); this.collisionObject = shape.GetCollisionObject(); this.data = shape.GetData(); this.skinInstance = shape.GetSkinInstance(); this.numMaterials = shape.GetNumMaterials(); this.materialNames = shape.GetMaterialNames(); this.materialExtraData = shape.GetMaterialExtraData(); this.activeMaterial = shape.GetActiveMaterial(); this.dirtyFlag = shape.GetDirtyFlag(); this.numProperties = shape.GetNumProperties(); this.properties = new List<int>(); for (int index = 0; (long)index < (long)this.numProperties; ++index) this.properties.Add(shape.GetProperty(index)); this.bsProperties = new int[2]; for (int index = 0; index < 2; ++index) this.bsProperties[index] = shape.GetBSProperty(index); }
public BSTriShape(NiTriBasedGeom shape) { this.name = shape.GetName(); this.nameIdx = shape.GetNameIndex(); this.numExtraData = shape.GetNumExtraData(); this.extraData = shape.GetExtraData(); this.controller = shape.GetController(); this.flags = shape.GetFlags(); this.flags2 = shape.GetFlags2(); this.translation = shape.GetTranslation(); this.rotation = shape.GetRotation(); this.scale = shape.GetScale(); this.collisionObject = shape.GetCollisionObject(); this.center = new Vector3(0, 0, 0); this.radius = 0; this.skinInstance = shape.GetSkinInstance(); this.bsProperties = new int[2]; for (int index = 0; index < 2; ++index) { this.bsProperties[index] = shape.GetBSProperty(index); } this.vertexSize = 8; this.floatSize = 4; this.vertexFlag3 = 101; this.vertexFlag4 = 7; this.vertexFlag5 = 0; this.vertexFlags = 0; this.vertexFlag8 = 0; this.numTriangles = 0; this.numVertices = 0; this.dataSize = 0; this.vertexData = new List <BSVertexData>(); this.triangles = new List <Triangle>(); this.vertices = new List <Vector3>(); this.normals = new List <Vector3>(); this.tangents = new List <Vector3>(); this.bitangents = new List <Vector3>(); this.vertexColors = new List <Color4>(); this.uvCoords = new List <UVCoord>(); particleDataSize = 0; }
private List<ShapeDesc> IterateNodes(QuadDesc quad, StaticDesc stat, int level, NiFile file, NiNode parentNode, Matrix44 parentTransform, float parentScale) { List<ShapeDesc> list = new List<ShapeDesc>(); if (parentNode == null || parentNode.IsHidden()) return list; int nameIndex = parentNode.GetNameIndex(); string str = nameIndex != -1 ? file.GetStringAtIndex(nameIndex) : parentNode.GetName(); if (str != null && str.ToLower().Contains("editormarker")) return list; Matrix44 parentTransform1 = parentNode.GetTransform() * parentTransform; if (ignoreTransRot.Any(stat.staticModels[level].Contains)) { parentTransform1 = parentTransform; } float parentScale1 = parentNode.GetScale() * parentScale; uint numChildren = parentNode.GetNumChildren(); for (int index = 0; (long)index < (long)numChildren; ++index) { NiObject blockAtIndex = file.GetBlockAtIndex(parentNode.GetChildAtIndex(index)); if (blockAtIndex != null) { if (blockAtIndex.IsDerivedType("NiNode")) { list.AddRange((IEnumerable<ShapeDesc>)this.IterateNodes(quad, stat, level, file, (NiNode)blockAtIndex, parentTransform1, parentScale1)); } else if (blockAtIndex.IsDerivedType("NiTriBasedGeom")) { NiTriBasedGeom geomOld = (NiTriBasedGeom)blockAtIndex; if (index + 1 < numChildren) { NiObject blockAtIndexNext = file.GetBlockAtIndex(parentNode.GetChildAtIndex(index + 1)); if (blockAtIndexNext.IsDerivedType("NiTriBasedGeom")) { NiTriBasedGeom geomOld2 = (NiTriBasedGeom)blockAtIndexNext; if (geomOld.GetData() == geomOld2.GetData()) { //Console.WriteLine(geomOld.GetData() + " = " + geomOld2.GetData()); NiTriBasedGeom geomNew = new NiTriBasedGeom(); geomNew.SetFlags(14); geomNew.SetTranslation(geomOld.GetTranslation()); geomNew.SetRotation(geomOld.GetRotation()); geomNew.SetScale(geomOld.GetScale()); geomNew.SetNumProperties(geomOld.GetNumProperties()); for (int index2 = 0; (long)index2 < (long)geomOld.GetNumProperties(); ++index2) { geomNew.SetProperties(geomOld.GetProperty(index2)); } NiTriShapeData dataOld = (NiTriShapeData)file.GetBlockAtIndex(geomOld.GetData()); NiTriShapeData dataNew = new NiTriShapeData(); dataNew.SetNumVertices(dataOld.GetNumVertices()); dataNew.SetHasVertices(dataOld.HasVertices()); dataNew.SetVertices(new List<Vector3>(dataOld.GetVertices())); dataNew.SetNumUVSets(dataOld.GetBSNumUVSets()); dataNew.SetHasNormals(dataOld.HasNormals()); dataNew.SetNormals(new List<Vector3>(dataOld.GetNormals())); dataNew.SetTangents(new List<Vector3>(dataOld.GetTangents())); dataNew.SetBitangents(new List<Vector3>(dataOld.GetBitangents())); dataNew.SetCenter(dataOld.GetCenter()); dataNew.SetRadius(dataOld.GetRadius()); dataNew.SetHasVertexColors(dataOld.HasVertexColors()); dataNew.SetVertexColors(dataOld.GetVertexColors()); dataNew.SetUVCoords(dataOld.GetUVCoords()); dataNew.SetConsistencyFlags(dataOld.GetConsistencyFlags()); dataNew.SetNumTriangles(dataOld.GetNumTriangles()); dataNew.SetNumTrianglePoints(dataOld.GetNumTrianglePoints()); dataNew.SetHasTriangles(dataOld.HasTriangles()); dataNew.SetTriangles(new List<Triangle>(dataOld.GetTriangles())); int newdata = file.AddBlock(dataNew); geomNew.SetData(newdata); int newblock = file.AddBlock(geomNew); blockAtIndex = file.GetBlockAtIndex(newblock); //Console.WriteLine("New block " + newdata + " = " + newblock); } } } ShapeDesc shapeDesc = this.TransformShape(quad, stat, file, (NiTriBasedGeom)blockAtIndex, parentTransform1, parentScale1); if (shapeDesc != null && shapeDesc.shape != null) { list.Add(shapeDesc); } } } } /* if (useOptimizer) { List<ShapeDesc> list2 = new List<ShapeDesc>(); for (int shapeIndex = 0; shapeIndex < list.Count; shapeIndex++) { ShapeDesc shapeDesc = list[shapeIndex]; NiTriShapeData data = shapeDesc.data; List<Triangle> triangles = data.GetTriangles(); if (data.HasVertexColors() && triangles.Count != 0) { NiTriShapeData data1 = new NiTriShapeData(); NiTriShapeData data2 = new NiTriShapeData(); List<Color4> vertexcolors = data.GetVertexColors(); bool vertexcolors_white = true; bool vertexcolors_colors = true; if (vertexcolors_white && vertexcolors_colors) { Dictionary<ushort, ushort>[] dictionary = new Dictionary<ushort, ushort>[] { new Dictionary<ushort, ushort>(), new Dictionary<ushort, ushort>() }; List<Vector3> vertices = data.GetVertices(); List<UVCoord> uvcoords = data.GetUVCoords(); List<Vector3> normals = data.GetNormals(); List<Vector3> tangents = data.GetTangents(); List<Vector3> bitangents = data.GetBitangents(); List<Triangle>[] triangles1 = new List<Triangle>[] { new List<Triangle>(), new List<Triangle>() }; List<Vector3>[] vertices1 = new List<Vector3>[] { new List<Vector3>(), new List<Vector3>() }; List<UVCoord>[] uvcoords1 = new List<UVCoord>[] { new List<UVCoord>(), new List<UVCoord>() }; List<Color4>[] vertexcolors1 = new List<Color4>[] { new List<Color4>(), new List<Color4>() }; List<Vector3>[] normals1 = new List<Vector3>[] { new List<Vector3>(), new List<Vector3>() }; List<Vector3>[] tangents1 = new List<Vector3>[] { new List<Vector3>(), new List<Vector3>() }; List<Vector3>[] bitangents1 = new List<Vector3>[] { new List<Vector3>(), new List<Vector3>() }; UInt16[] index2 = new UInt16[] { 0, 0 }; for (int index = 0; index < triangles.Count; ++index) { ushort indexA = triangles[index][0]; ushort indexB = triangles[index][1]; ushort indexC = triangles[index][2]; float colorA = vertexcolors[indexA][0] + vertexcolors[indexA][1] + vertexcolors[indexA][2]; float colorB = vertexcolors[indexB][0] + vertexcolors[indexB][1] + vertexcolors[indexB][2]; float colorC = vertexcolors[indexC][0] + vertexcolors[indexC][1] + vertexcolors[indexC][2]; int shapeSplit = new int(); if (colorA > 2.6f && colorB > 2.6f && colorC > 2.6f) { shapeSplit = 0; } else { shapeSplit = 1; } if (!dictionary[shapeSplit].ContainsKey(indexA)) { dictionary[shapeSplit].Add(indexA, index2[shapeSplit]); vertices1[shapeSplit].Add(vertices[indexA]); if (uvcoords.Count != 0) { uvcoords1[shapeSplit].Add(uvcoords[indexA]); } if (shapeSplit == 1 && vertexcolors.Count != 0) { vertexcolors1[shapeSplit].Add(vertexcolors[indexA]); } if (normals.Count != 0) { normals1[shapeSplit].Add(normals[indexA]); } if (tangents.Count != 0) { tangents1[shapeSplit].Add(tangents[indexA]); } if (bitangents.Count != 0) { bitangents1[shapeSplit].Add(bitangents[indexA]); } indexA = index2[shapeSplit]; ++index2[shapeSplit]; } else { indexA = dictionary[shapeSplit][indexA]; } if (!dictionary[shapeSplit].ContainsKey(indexB)) { dictionary[shapeSplit].Add(indexB, index2[shapeSplit]); vertices1[shapeSplit].Add(vertices[indexB]); if (uvcoords.Count != 0) { uvcoords1[shapeSplit].Add(uvcoords[indexB]); } if (shapeSplit == 1 && vertexcolors.Count != 0) { vertexcolors1[shapeSplit].Add(vertexcolors[indexB]); } if (normals.Count != 0) { normals1[shapeSplit].Add(normals[indexB]); } if (tangents.Count != 0) { tangents1[shapeSplit].Add(tangents[indexB]); } if (bitangents.Count != 0) { bitangents1[shapeSplit].Add(bitangents[indexB]); } indexB = index2[shapeSplit]; ++index2[shapeSplit]; } else { indexB = dictionary[shapeSplit][indexB]; } if (!dictionary[shapeSplit].ContainsKey(indexC)) { dictionary[shapeSplit].Add(indexC, index2[shapeSplit]); vertices1[shapeSplit].Add(vertices[indexC]); if (uvcoords.Count != 0) { uvcoords1[shapeSplit].Add(uvcoords[indexC]); } if (shapeSplit == 1 && vertexcolors.Count != 0) { vertexcolors1[shapeSplit].Add(vertexcolors[indexC]); } if (normals.Count != 0) { normals1[shapeSplit].Add(normals[indexC]); } if (tangents.Count != 0) { tangents1[shapeSplit].Add(tangents[indexC]); } if (bitangents.Count != 0) { bitangents1[shapeSplit].Add(bitangents[indexC]); } indexC = index2[shapeSplit]; ++index2[shapeSplit]; } else { indexC = dictionary[shapeSplit][indexC]; } triangles1[shapeSplit].Add(new Triangle(indexA, indexB, indexC)); } if (triangles1[0].Count != 0) { ShapeDesc shapeDesc1 = new ShapeDesc(); shapeDesc1.shape = shapeDesc.shape; shapeDesc1.material = shapeDesc.material; shapeDesc1.textures = shapeDesc.textures; shapeDesc1.isHighDetail = shapeDesc.isHighDetail; shapeDesc1.hasVertexColor = false; shapeDesc1.isDoubleSided = shapeDesc.isDoubleSided; shapeDesc1.TextureClampMode = shapeDesc.TextureClampMode; shapeDesc1.boundingBox = shapeDesc.boundingBox; shapeDesc1.x = shapeDesc.x; shapeDesc1.y = shapeDesc.y; shapeDesc1.segments = shapeDesc.segments; data1.SetNumVertices((ushort)vertices1[0].Count); data1.SetHasVertices(true); data1.SetNumUVSets(4097); data1.SetHasNormals(true); data1.SetCenter(data.GetCenter()); data1.SetRadius(data.GetRadius()); data1.SetConsistencyFlags(data.GetConsistencyFlags()); data1.SetNumTriangles((ushort)triangles1[0].Count); data1.SetNumTrianglePoints((uint)triangles1[0].Count * 3); data1.SetHasTriangles(true); data1.SetHasVertexColors(false); data1.SetVertices(vertices1[0]); data1.SetNormals(normals1[0]); data1.SetTangents(tangents1[0]); data1.SetBitangents(bitangents1[0]); data1.SetUVCoords(uvcoords1[0]); //data1.SetVertexColors(vertexcolors1[0]); data1.SetTriangles(triangles1[0]); shapeDesc1.data = data1; list2.Add(shapeDesc1); } if (triangles1[1].Count != 0) { ShapeDesc shapeDesc2 = new ShapeDesc(); shapeDesc2.shape = shapeDesc.shape; shapeDesc2.material = shapeDesc.material; shapeDesc2.textures = shapeDesc.textures; shapeDesc2.isHighDetail = shapeDesc.isHighDetail; shapeDesc2.hasVertexColor = true; shapeDesc2.isDoubleSided = shapeDesc.isDoubleSided; shapeDesc2.TextureClampMode = shapeDesc.TextureClampMode; shapeDesc2.boundingBox = shapeDesc.boundingBox; shapeDesc2.x = shapeDesc.x; shapeDesc2.y = shapeDesc.y; shapeDesc2.segments = shapeDesc.segments; data2.SetNumVertices((ushort)vertices1[0].Count); data2.SetHasVertices(true); data2.SetNumUVSets(4097); data2.SetHasNormals(true); data2.SetCenter(data.GetCenter()); data2.SetRadius(data.GetRadius()); data2.SetConsistencyFlags(data.GetConsistencyFlags()); data2.SetNumTriangles((ushort)triangles1[0].Count); data2.SetNumTrianglePoints((uint)triangles1[0].Count * 3); data2.SetHasTriangles(true); data2.SetHasVertexColors(true); data2.SetVertices(vertices1[1]); data2.SetNormals(normals1[1]); data2.SetTangents(tangents1[1]); data2.SetBitangents(bitangents1[1]); data2.SetUVCoords(uvcoords1[1]); data2.SetVertexColors(vertexcolors1[1]); data2.SetTriangles(triangles1[1]); shapeDesc2.data = data2; list2.Add(shapeDesc2); } } else { list2.Add(shapeDesc); } } else { list2.Add(shapeDesc); } } return list2; }*/ return list; }
private ShapeDesc TransformShape(QuadDesc quad, StaticDesc stat, NiFile file, NiTriBasedGeom geom, Matrix44 parentTransform, float parentScale) { BBox bbox = new BBox(float.MaxValue, float.MinValue, float.MaxValue, float.MinValue, float.MaxValue, float.MinValue); ShapeDesc shape1 = new ShapeDesc(); NiTriShape shape2; NiTriShapeData data = new NiTriShapeData(); //Console.WriteLine("Reading block #" + geom.GetData()); if (geom.GetClassName() == "NiTriStrips") { shape2 = new NiTriShape(geom); data = new NiTriShapeData((NiTriStripsData)file.GetBlockAtIndex(geom.GetData())); } else if (geom.GetClassName() == "BSLODTriShape") { shape2 = new NiTriShape(geom); data = (NiTriShapeData)file.GetBlockAtIndex(geom.GetData()); } else { shape2 = new NiTriShape(geom); data = (NiTriShapeData)file.GetBlockAtIndex(geom.GetData()); } if (verbose && !data.HasVertexColors() && ((this.GetShaderFlags2(file, shape2) & 32) == 32)) { if (!stat.staticModels[this.quadIndex].Contains("glacierrubbletrim0")) { logFile.WriteLog("Vertex Colors Flag, but no vertex colors in " + stat.staticModels[this.quadIndex]); } } if (((int)data.GetBSNumUVSets() & 1) == 0) return shape1; float _x = stat.x - (float)quad.x * 4096f; float _y = stat.y - (float)quad.y * 4096f; Matrix33 matrix33_1 = new Matrix33(true); Matrix33 matrix33_2 = new Matrix33(true); Matrix33 matrix33_3 = new Matrix33(true); matrix33_1.SetRotationX(Utils.ToRadians(-stat.rotX)); matrix33_2.SetRotationY(Utils.ToRadians(-stat.rotY)); matrix33_3.SetRotationZ(Utils.ToRadians(-stat.rotZ)); Matrix44 matrix44 = new Matrix44(new Matrix33(true) * matrix33_1 * matrix33_2 * matrix33_3, new Vector3(_x, _y, stat.z), 1f); List<Vector3> vertices = new List<Vector3>(data.GetVertices()); List<Vector3> normals = new List<Vector3>(data.GetNormals()); List<Vector3> tangents = new List<Vector3>(data.GetTangents()); List<Vector3> bitangents = new List<Vector3>(data.GetBitangents()); // generate tangents independent of fix tangents setting bool newtangents = false; bool newbitangents = false; if (this.generateTangents && data.HasNormals()) { if (tangents.Count == 0) { newtangents = true; for (int index = 0; index < vertices.Count; ++index) tangents.Add(new Vector3(0.0f, 0.0f, 0.0f)); } if (bitangents.Count == 0) { newbitangents = true; for (int index = 0; index < vertices.Count; ++index) bitangents.Add(new Vector3(0.0f, 0.0f, 0.0f)); } } for (int index = 0; index < vertices.Count; ++index) { vertices[index] *= shape2.GetScale() * parentScale; vertices[index] *= shape2.GetTransform() * parentTransform; vertices[index] *= stat.scale; vertices[index] *= matrix44; if (data.HasNormals()) { normals[index] *= parentTransform.RemoveTranslation() * shape2.GetTransform().RemoveTranslation(); normals[index] *= matrix44.RemoveTranslation(); // adjust tangents as well if (tangents.Count != 0) { tangents[index] *= parentTransform.RemoveTranslation() * shape2.GetTransform().RemoveTranslation(); tangents[index] *= matrix44.RemoveTranslation(); } // adjust bitangents as well if (bitangents.Count != 0) { bitangents[index] *= parentTransform.RemoveTranslation() * shape2.GetTransform().RemoveTranslation(); bitangents[index] *= matrix44.RemoveTranslation(); } // fix tangents when they were newly generated if (newtangents || newbitangents || this.fixTangents) { Vector3 vector3_1 = Vector3.Cross(normals[index], new Vector3(0.0f, 0.0f, 1f)); Vector3 vector3_2 = Vector3.Cross(normals[index], new Vector3(0.0f, 1f, 0.0f)); if (newtangents) { tangents[index] = (double)vector3_1.Length > (double)vector3_2.Length ? vector3_1 : vector3_2; tangents[index].Normalize(); } if (newbitangents) { bitangents[index] = Vector3.Cross(normals[index], tangents[index]); bitangents[index].Normalize(); } } } bbox.GrowByVertex(vertices[index]); vertices[index] /= (float)this.quadLevel; } data.SetVertices(vertices); if (data.HasNormals()) { data.SetNormals(normals); data.SetHasTangents(false); } data.SetCenter(new Vector3((float)(((double)bbox.px1 + (double)bbox.px2) / 2.0), (float)(((double)bbox.py1 + (double)bbox.py2) / 2.0), (float)(((double)bbox.pz1 + (double)bbox.pz2) / 2.0)) / (float)this.quadLevel); data.SetRadius(this.CalcRadius(data)); data.SetConsistencyFlags((ushort)0); data.SetKeepFlags((byte)51); data.SetSkyrimMaterial(0U); shape1.shape = shape2; shape1.data = data; // relative x, y for segment shape1.x = _x; shape1.y = _y; shape1.boundingBox = bbox; //Console.WriteLine(stat.staticName + " 2 " + stat.refID + " " + file + " " + shape2.GetName() + " "); shape1.textures = this.GetMeshTextures(file, shape2); shape1.material = stat.materialName; shape1.isHighDetail = false; if (useHDFlag) { if ((stat.refFlags & 131072) == 131072) { if (HDMeshList.Any(stat.staticModels[this.quadIndex].ToLower().Contains)) { shape1.isHighDetail = true; } else if (notHDMeshList.Any(stat.staticModels[this.quadIndex].ToLower().Contains)) { shape1.isHighDetail = false; } else { shape1.isHighDetail = true; } } } // Shader Flags 2 SLSF2_Double_Sided shape1.isDoubleSided = (this.GetShaderFlags2(file, shape2) & 16) == 16; // clamp mode for atlas shape1.TextureClampMode = this.GetTextureClampMode(file, shape2); /*if ((this.GetShaderFlags1(file, shape2) & 1) == 1) { //logFile.WriteLog("Specular" + stat.staticModels[this.quadIndex]); }*/ if (AtlasList.Contains(shape1.textures[0])) { if (this.UVAtlas(data, shape1.textures[0], stat)) { string[] strArray = new string[2]; strArray[0] = AtlasList.Get(shape1.textures[0]).AtlasTexture; strArray[1] = AtlasList.Get(shape1.textures[0]).AtlasTextureN; shape1.textures = strArray; shape1.TextureClampMode = 0U; shape1.isHighDetail = false; } } else { if (useOptimizer && quadLevel != 4 && shape1.textures[0].ToLower().Contains("mountainslab01")) { string[] strArray = new string[2]; strArray[0] = "textures\\landscape\\mountains\\mountainslab02.dds"; strArray[1] = "textures\\landscape\\mountains\\mountainslab02_n.dds"; shape1.textures = strArray; } if (notHDTextureList.Any(shape1.textures[0].Contains)) { if (this.verbose) { logFile.WriteLog("No atlas for " + shape1.textures[0] + " in " + stat.staticModels[this.quadIndex]); } } else { if (!useHDFlag) { shape1.isHighDetail = true; } } } if (notHDTextureList.Any(shape1.textures[0].Contains)) { shape1.isHighDetail = false; } if (HDTextureList.Any(shape1.textures[0].Contains)) { shape1.isHighDetail = true; } if (shape1.textures[0].Contains("dyndolod\\lod")) { shape1.TextureClampMode = 0U; shape1.isHighDetail = false; } if (!this.generateVertexColors || (this.quadLevel != 4 && !shape1.isHighDetail)) { data.SetHasVertexColors(false); shape1.hasVertexColor = false; } if (this.generateTangents) { //shape1.material.Length != 0 if (!useOptimizer || (useOptimizer && (this.quadLevel == 4 || shape1.isHighDetail))) { data.SetTangents(tangents); data.SetBitangents(bitangents); } } if (this.removeUnseenFaces && quad.hasTerrainVertices) { this.RemoveUnseenFaces(quad, data, shape1); if ((int)data.GetNumTriangles() == 0) return (ShapeDesc)null; } else { quad.outValues.totalTriCount += data.GetNumTriangles(); quad.outValues.reducedTriCount += data.GetNumTriangles(); } this.GenerateSegments(quad, ref shape1); return shape1; }