示例#1
0
        public void AddWeightData(SceneNodeContainer snc, PolygonObject polyOb, CAWeightTag weightTag, IEnumerable <int> range)
        {
            if (weightTag == null || polyOb == null)
            {
                return;
            }

            List <VertexWeightList> weightMap       = new List <VertexWeightList>();
            List <float4x4>         bindingMatrices = new List <float4x4>();

            foreach (int j in range)
            {
                using (CPolygon poly = polyOb.GetPolygonAt(j))
                {
                    foreach (int iVert in GetPolyPointIndices(poly, polyOb))
                    {
                        var vertexWeights = new List <VertexWeight>();

                        for (int iJoint = 0; iJoint < weightTag.GetJointCount(); iJoint++)
                        {
                            double weight = weightTag.GetWeight(iJoint, iVert);

                            // Leave out zero weights. This will save space for the sparse weight table.
                            if (Math.Abs(weight) > double.Epsilon)
                            {
                                vertexWeights.Add(new VertexWeight {
                                    JointIndex = iJoint, Weight = (float)weight
                                });
                            }
                        }

                        vertexWeights.Sort((vw1, vw2) => ((int)(vw1.Weight - vw2.Weight)));
                        weightMap.Add(new VertexWeightList {
                            VertexWeights = vertexWeights
                        });
                    }
                }
            }
            for (int iJoint = 0; iJoint < weightTag.GetJointCount(); iJoint++)
            {
                // Add Binding Matrix
                JointRestState jointRestState = weightTag.GetJointRestState(iJoint);
                float4x4       mat            = (float4x4)(jointRestState.m_oMi * weightTag.GetGeomMg());
                bindingMatrices.Add(mat);
            }

            _weightObjects.Add(new WeightObject()
            {
                SceneNodeContainer = snc,
                WeightTag          = weightTag,
                WeightMap          = weightMap,
                BindingMatrices    = bindingMatrices
            });
        }
示例#2
0
        private static MeshComponent GetMesh(PolygonObject polyOb, float3[] normalsOb, UVWTag uvwTag, IEnumerable <int> range)
        {
            List <float3> normals = new List <float3>();

            ushort        nNewVerts = 0;
            VertexList    verts     = new VertexList();
            List <float2> uvs       = new List <float2>();
            List <ushort> tris      = new List <ushort>();

            foreach (int i in range)
            {
                int     iNorm = i * 4;
                double3 a, b, c, d;
                using (CPolygon poly = polyOb.GetPolygonAt(i))
                {
                    a = polyOb.GetPointAt(poly.a);
                    b = polyOb.GetPointAt(poly.b);
                    c = polyOb.GetPointAt(poly.c);
                    d = polyOb.GetPointAt(poly.d);
                }

                float2 uvA = new float2(0, 0);
                float2 uvB = new float2(0, 1);
                float2 uvC = new float2(1, 1);
                float2 uvD = new float2(1, 0);

                if (uvwTag != null)
                {
                    using (UVWStruct uvw = uvwTag.GetSlow(i))
                    {
                        uvA = new float2((float)uvw.a.x, 1.0f - (float)uvw.a.y);
                        uvB = new float2((float)uvw.b.x, 1.0f - (float)uvw.b.y);
                        uvC = new float2((float)uvw.c.x, 1.0f - (float)uvw.c.y);
                        uvD = new float2((float)uvw.d.x, 1.0f - (float)uvw.d.y);
                    }
                }

                verts.Add((float3)a);
                verts.Add((float3)b);
                verts.Add((float3)c);

                uvs.Add(uvA);
                uvs.Add(uvB);
                uvs.Add(uvC);

                float3 faceNormal = CalcFaceNormal((float3)a, (float3)b, (float3)c);
                float3 normalD;
                if (normalsOb != null)
                {
                    normals.Add(AdjustNormal(normalsOb[iNorm++], faceNormal));
                    normals.Add(AdjustNormal(normalsOb[iNorm++], faceNormal));
                    normals.Add(AdjustNormal(normalsOb[iNorm++], faceNormal));
                    normalD = AdjustNormal(normalsOb[iNorm++], faceNormal);
                }
                else
                {
                    normals.Add(faceNormal);
                    normals.Add(faceNormal);
                    normals.Add(faceNormal);
                    normalD = faceNormal;
                }

                tris.AddRange(new ushort[] { nNewVerts, (ushort)(nNewVerts + 2), (ushort)(nNewVerts + 1) });

                if (c != d)
                {
                    // The Polyogon is not a triangle, but a quad. Add the second triangle.
                    verts.Add((float3)d);
                    uvs.Add(uvD);
                    normals.Add(normalD);
                    tris.AddRange(new ushort[] { nNewVerts, (ushort)(nNewVerts + 3), (ushort)(nNewVerts + 2) });
                    nNewVerts += 1;
                }
                nNewVerts += 3;
            }
            Debug.WriteLine(verts.Count);
            return(new MeshComponent()
            {
                Normals = normals.ToArray(),
                Vertices = verts.ToArray(),
                Triangles = tris.ToArray(),
                UVs = uvs.ToArray(),
                BoundingBox = new AABBf(verts.Min, verts.Max)
            });
        }