Пример #1
0
        public Mesh GenerateMesh(Skeleton skeleton)
        {
            int totalVertexCount   = 0;           // size of vertex arrays
            int totalTriangleCount = 0;           // size of index array

            // STEP 1 : GenerateInstruction(). Count verts and tris to determine array sizes.
            var drawOrderItems = skeleton.drawOrder.Items;
            int drawOrderCount = skeleton.drawOrder.Count;

            for (int i = 0; i < drawOrderCount; i++)
            {
                Slot       slot = drawOrderItems[i];
                Attachment attachment = slot.attachment;
                int        attachmentVertexCount, attachmentTriangleCount;
                var        regionAttachment = attachment as RegionAttachment;
                if (regionAttachment != null)
                {
                    attachmentVertexCount   = 4;
                    attachmentTriangleCount = 6;
                }
                else
                {
                    var meshAttachment = attachment as MeshAttachment;
                    if (meshAttachment != null)
                    {
                        attachmentVertexCount   = meshAttachment.worldVerticesLength >> 1;
                        attachmentTriangleCount = meshAttachment.triangles.Length;
                    }
                    else
                    {
                        continue;
                    }
                }
                totalTriangleCount += attachmentTriangleCount;
                totalVertexCount   += attachmentVertexCount;
            }

            // STEP 2 : Ensure buffers are the correct size
            ArraysMeshGenerator.EnsureSize(totalVertexCount, ref this.meshVertices, ref this.meshUVs, ref this.meshColors32);
            this.triangles = this.triangles ?? new int[totalTriangleCount];

            // STEP 3 : Update vertex buffer
            const float zFauxHalfThickness = 0.01f;             // Somehow needs this thickness for bounds to work properly in some cases (eg, Unity UI clipping)
            Vector3     meshBoundsMin;
            Vector3     meshBoundsMax;

            if (totalVertexCount == 0)
            {
                meshBoundsMin = new Vector3(0, 0, 0);
                meshBoundsMax = new Vector3(0, 0, 0);
            }
            else
            {
                meshBoundsMin.x = int.MaxValue;
                meshBoundsMin.y = int.MaxValue;
                meshBoundsMax.x = int.MinValue;
                meshBoundsMax.y = int.MinValue;
                meshBoundsMin.z = -zFauxHalfThickness * scale;
                meshBoundsMax.z = zFauxHalfThickness * scale;

                int vertexIndex = 0;
                ArraysMeshGenerator.FillVerts(skeleton, 0, drawOrderCount, this.ZSpacing, this.PremultiplyVertexColors, this.meshVertices, this.meshUVs, this.meshColors32, ref vertexIndex, ref this.attachmentVertexBuffer, ref meshBoundsMin, ref meshBoundsMax);

                // Apply scale to vertices
                meshBoundsMax.x *= scale; meshBoundsMax.y *= scale;
                meshBoundsMin.x *= scale; meshBoundsMin.y *= scale;
                var vertices = this.meshVertices;
                for (int i = 0; i < totalVertexCount; i++)
                {
                    Vector3 p = vertices[i];
                    p.x        *= scale;
                    p.y        *= scale;
                    vertices[i] = p;
                }
            }

            // Step 4 : Update Triangles buffer
            ArraysMeshGenerator.FillTriangles(ref this.triangles, skeleton, totalTriangleCount, 0, 0, drawOrderCount, true);

            // Step 5 : Update Mesh with buffers
            var mesh = doubleBufferedMesh.GetNextMesh();

            mesh.vertices  = this.meshVertices;
            mesh.colors32  = meshColors32;
            mesh.uv        = meshUVs;
            mesh.bounds    = ArraysMeshGenerator.ToBounds(meshBoundsMin, meshBoundsMax);
            mesh.triangles = triangles;
            TryAddNormalsTo(mesh, totalVertexCount);

            if (addTangents)
            {
                SolveTangents2DEnsureSize(ref this.meshTangents, ref this.tempTanBuffer, totalVertexCount);
                SolveTangents2DTriangles(this.tempTanBuffer, triangles, totalTriangleCount, meshVertices, meshUVs, totalVertexCount);
                SolveTangents2DBuffer(this.meshTangents, this.tempTanBuffer, totalVertexCount);
            }

            lastGeneratedMesh = mesh;
            return(mesh);
        }
Пример #2
0
        public MeshAndMaterials GenerateMesh(ExposedList <SubmeshInstruction> instructions, int startSubmesh, int endSubmesh)
        {
            // STEP 0: Prepare instructions.
            var paramItems = instructions.Items;

            currentInstructions.Clear(false);
            for (int i = startSubmesh, n = endSubmesh; i < n; i++)
            {
                this.currentInstructions.Add(paramItems[i]);
            }
            var smartMesh                = doubleBufferedSmartMesh.GetNext();
            var mesh                     = smartMesh.mesh;
            int submeshCount             = currentInstructions.Count;
            var currentInstructionsItems = currentInstructions.Items;
            int vertexCount              = 0;

            for (int i = 0; i < submeshCount; i++)
            {
                currentInstructionsItems[i].firstVertexIndex = vertexCount;             // Ensure current instructions have correct cached values.
                vertexCount += currentInstructionsItems[i].vertexCount;                 // vertexCount will also be used for the rest of this method.
            }

            // STEP 1: Ensure correct buffer sizes.
            bool vertBufferResized     = ArraysMeshGenerator.EnsureSize(vertexCount, ref this.meshVertices, ref this.meshUVs, ref this.meshColors32);
            bool submeshBuffersResized = ArraysMeshGenerator.EnsureTriangleBuffersSize(submeshBuffers, submeshCount, currentInstructionsItems);

            // STEP 2: Update buffers based on Skeleton.

            // Initial values for manual Mesh Bounds calculation
            Vector3 meshBoundsMin;
            Vector3 meshBoundsMax;
            float   zSpacing = this.zSpacing;

            if (vertexCount <= 0)
            {
                meshBoundsMin = new Vector3(0, 0, 0);
                meshBoundsMax = new Vector3(0, 0, 0);
            }
            else
            {
                meshBoundsMin.x = int.MaxValue;
                meshBoundsMin.y = int.MaxValue;
                meshBoundsMax.x = int.MinValue;
                meshBoundsMax.y = int.MinValue;

                int endSlot = currentInstructionsItems[submeshCount - 1].endSlot;
                if (zSpacing > 0f)
                {
                    meshBoundsMin.z = 0f;
                    meshBoundsMax.z = zSpacing * endSlot;
                }
                else
                {
                    meshBoundsMin.z = zSpacing * endSlot;
                    meshBoundsMax.z = 0f;
                }
            }

            // For each submesh, add vertex data from attachments.
            var workingAttachments = this.attachmentBuffer;

            workingAttachments.Clear(false);
            int vertexIndex = 0;             // modified by FillVerts

            for (int submeshIndex = 0; submeshIndex < submeshCount; submeshIndex++)
            {
                var currentInstruction     = currentInstructionsItems[submeshIndex];
                int startSlot              = currentInstruction.startSlot;
                int endSlot                = currentInstruction.endSlot;
                var skeleton               = currentInstruction.skeleton;
                var skeletonDrawOrderItems = skeleton.DrawOrder.Items;
                for (int i = startSlot; i < endSlot; i++)
                {
                    var ca = skeletonDrawOrderItems[i].attachment;
                    if (ca != null)
                    {
                        workingAttachments.Add(ca);                                 // Includes BoundingBoxes. This is ok.
                    }
                }
                ArraysMeshGenerator.FillVerts(skeleton, startSlot, endSlot, zSpacing, this.premultiplyVertexColors, this.meshVertices, this.meshUVs, this.meshColors32, ref vertexIndex, ref this.attachmentVertexBuffer, ref meshBoundsMin, ref meshBoundsMax);
            }

            bool structureDoesntMatch = vertBufferResized || submeshBuffersResized || smartMesh.StructureDoesntMatch(workingAttachments, currentInstructions);

            for (int submeshIndex = 0; submeshIndex < submeshCount; submeshIndex++)
            {
                var currentInstruction = currentInstructionsItems[submeshIndex];
                if (structureDoesntMatch)
                {
                    var  currentBuffer = submeshBuffers.Items[submeshIndex];
                    bool isLastSubmesh = (submeshIndex == submeshCount - 1);
                    ArraysMeshGenerator.FillTriangles(currentInstruction.skeleton, currentInstruction.triangleCount, currentInstruction.firstVertexIndex, currentInstruction.startSlot, currentInstruction.endSlot, ref currentBuffer.triangles, isLastSubmesh);
                }
            }

            if (structureDoesntMatch)
            {
                mesh.Clear();
                this.sharedMaterials = currentInstructions.GetUpdatedMaterialArray(this.sharedMaterials);
            }

            // STEP 3: Assign the buffers into the Mesh.
            smartMesh.Set(this.meshVertices, this.meshUVs, this.meshColors32, workingAttachments, currentInstructions);
            mesh.bounds = ArraysMeshGenerator.ToBounds(meshBoundsMin, meshBoundsMax);
                        #if SPINE_OPTIONAL_NORMALS
            this.TryAddNormalsTo(mesh, vertexCount);
                        #endif

            if (structureDoesntMatch)
            {
                // Push new triangles if doesn't match.
                mesh.subMeshCount = submeshCount;
                for (int i = 0; i < submeshCount; i++)
                {
                    mesh.SetTriangles(submeshBuffers.Items[i].triangles, i);
                }
            }

            return(new MeshAndMaterials(smartMesh.mesh, sharedMaterials));
        }
        // ISubmeshedMeshGenerator.GenerateMesh
        /// <summary>Generates a mesh based on SubmeshedMeshInstructions</summary>
        public MeshAndMaterials GenerateMesh(SubmeshedMeshInstruction meshInstructions)
        {
            var smartMesh       = doubleBufferedSmartMesh.GetNext();
            var mesh            = smartMesh.mesh;
            int submeshCount    = meshInstructions.submeshInstructions.Count;
            var instructionList = meshInstructions.submeshInstructions;

            // STEP 1: Ensure correct buffer sizes.
            int  vertexCount           = meshInstructions.vertexCount;
            bool submeshBuffersResized = ArraysMeshGenerator.EnsureTriangleBuffersSize(submeshBuffers, submeshCount, instructionList.Items);
            bool vertBufferResized     = ArraysMeshGenerator.EnsureSize(vertexCount, ref this.meshVertices, ref this.meshUVs, ref this.meshColors32);

            Vector3[] vertices = this.meshVertices;

            // STEP 2: Update buffers based on Skeleton.
            float   zSpacing = this.ZSpacing;
            Vector3 meshBoundsMin;
            Vector3 meshBoundsMax;
            int     attachmentCount = meshInstructions.attachmentList.Count;

            if (attachmentCount <= 0)
            {
                meshBoundsMin = new Vector3(0, 0, 0);
                meshBoundsMax = new Vector3(0, 0, 0);
            }
            else
            {
                meshBoundsMin.x = int.MaxValue;
                meshBoundsMin.y = int.MaxValue;
                meshBoundsMax.x = int.MinValue;
                meshBoundsMax.y = int.MinValue;

                if (zSpacing > 0f)
                {
                    meshBoundsMin.z = 0f;
                    meshBoundsMax.z = zSpacing * (attachmentCount - 1);
                }
                else
                {
                    meshBoundsMin.z = zSpacing * (attachmentCount - 1);
                    meshBoundsMax.z = 0f;
                }
            }
            bool structureDoesntMatch = vertBufferResized || submeshBuffersResized || smartMesh.StructureDoesntMatch(meshInstructions);
            // For each submesh, add vertex data From attachments. Also triangles, but only if needed.
            int vertexIndex = 0;             // modified by FillVerts

            for (int submeshIndex = 0; submeshIndex < submeshCount; submeshIndex++)
            {
                var submeshInstruction = instructionList.Items[submeshIndex];
                int start    = submeshInstruction.startSlot;
                int end      = submeshInstruction.endSlot;
                var skeleton = submeshInstruction.skeleton;
                ArraysMeshGenerator.FillVerts(skeleton, start, end, zSpacing, this.PremultiplyVertexColors, vertices, this.meshUVs, this.meshColors32, ref vertexIndex, ref this.attachmentVertexBuffer, ref meshBoundsMin, ref meshBoundsMax);
                if (structureDoesntMatch)
                {
                    var  currentBuffer = submeshBuffers.Items[submeshIndex];
                    bool isLastSubmesh = (submeshIndex == submeshCount - 1);
                    ArraysMeshGenerator.FillTriangles(ref currentBuffer.triangles, skeleton, submeshInstruction.triangleCount, submeshInstruction.firstVertexIndex, start, end, isLastSubmesh);
                    currentBuffer.triangleCount = submeshInstruction.triangleCount;
                    currentBuffer.firstVertex   = submeshInstruction.firstVertexIndex;
                }
            }

            if (structureDoesntMatch)
            {
                mesh.Clear();
                this.sharedMaterials = meshInstructions.GetUpdatedMaterialArray(this.sharedMaterials);
            }

            // STEP 3: Assign the buffers into the Mesh.
            smartMesh.Set(this.meshVertices, this.meshUVs, this.meshColors32, meshInstructions);
            mesh.bounds = ArraysMeshGenerator.ToBounds(meshBoundsMin, meshBoundsMax);

            if (structureDoesntMatch)
            {
                // Push new triangles if doesn't match.
                mesh.subMeshCount = submeshCount;
                for (int i = 0; i < submeshCount; i++)
                {
                    mesh.SetTriangles(submeshBuffers.Items[i].triangles, i);
                }

                TryAddNormalsTo(mesh, vertexCount);
            }

            if (addTangents)
            {
                SolveTangents2DEnsureSize(ref this.meshTangents, ref this.tempTanBuffer, vertexCount);
                for (int i = 0, n = submeshCount; i < n; i++)
                {
                    var submesh = submeshBuffers.Items[i];
                    SolveTangents2DTriangles(this.tempTanBuffer, submesh.triangles, submesh.triangleCount, meshVertices, meshUVs, vertexCount);
                }
                SolveTangents2DBuffer(this.meshTangents, this.tempTanBuffer, vertexCount);
            }

            return(new MeshAndMaterials(smartMesh.mesh, sharedMaterials));
        }
        public MeshAndMaterials GenerateMesh(ExposedList <SubmeshInstruction> instructions, int startSubmesh, int endSubmesh)
        {
            SubmeshInstruction[] items = instructions.Items;
            this.currentInstructions.Clear(false);
            for (int i = startSubmesh; i < endSubmesh; i++)
            {
                this.currentInstructions.Add(items[i]);
            }
            SmartMesh next  = this.doubleBufferedSmartMesh.GetNext();
            Mesh      mesh  = next.mesh;
            int       count = this.currentInstructions.Count;

            SubmeshInstruction[] items2 = this.currentInstructions.Items;
            int num = 0;

            for (int j = 0; j < count; j++)
            {
                items2[j].firstVertexIndex = num;
                num += items2[j].vertexCount;
            }
            bool    flag     = ArraysMeshGenerator.EnsureSize(num, ref this.meshVertices, ref this.meshUVs, ref this.meshColors32);
            bool    flag2    = ArraysMeshGenerator.EnsureTriangleBuffersSize(this.submeshBuffers, count, items2);
            float   zspacing = this.ZSpacing;
            Vector3 boundsMin;
            Vector3 boundsMax;

            if (num <= 0)
            {
                boundsMin = new Vector3(0f, 0f, 0f);
                boundsMax = new Vector3(0f, 0f, 0f);
            }
            else
            {
                boundsMin.x = 2.14748365E+09f;
                boundsMin.y = 2.14748365E+09f;
                boundsMax.x = -2.14748365E+09f;
                boundsMax.y = -2.14748365E+09f;
                int endSlot = items2[count - 1].endSlot;
                if (zspacing > 0f)
                {
                    boundsMin.z = 0f;
                    boundsMax.z = zspacing * (float)endSlot;
                }
                else
                {
                    boundsMin.z = zspacing * (float)endSlot;
                    boundsMax.z = 0f;
                }
            }
            ExposedList <Attachment> exposedList = this.attachmentBuffer;

            exposedList.Clear(false);
            int num2 = 0;

            for (int k = 0; k < count; k++)
            {
                SubmeshInstruction submeshInstruction = items2[k];
                int      startSlot = submeshInstruction.startSlot;
                int      endSlot2  = submeshInstruction.endSlot;
                Skeleton skeleton  = submeshInstruction.skeleton;
                Slot[]   items3    = skeleton.DrawOrder.Items;
                for (int l = startSlot; l < endSlot2; l++)
                {
                    Attachment attachment = items3[l].attachment;
                    if (attachment != null)
                    {
                        exposedList.Add(attachment);
                    }
                }
                ArraysMeshGenerator.FillVerts(skeleton, startSlot, endSlot2, zspacing, base.PremultiplyVertexColors, this.meshVertices, this.meshUVs, this.meshColors32, ref num2, ref this.attachmentVertexBuffer, ref boundsMin, ref boundsMax, true);
            }
            bool flag3 = flag || flag2 || next.StructureDoesntMatch(exposedList, this.currentInstructions);

            for (int m = 0; m < count; m++)
            {
                SubmeshInstruction submeshInstruction2 = items2[m];
                if (flag3)
                {
                    SubmeshTriangleBuffer submeshTriangleBuffer = this.submeshBuffers.Items[m];
                    bool isLastSubmesh = m == count - 1;
                    ArraysMeshGenerator.FillTriangles(ref submeshTriangleBuffer.triangles, submeshInstruction2.skeleton, submeshInstruction2.triangleCount, submeshInstruction2.firstVertexIndex, submeshInstruction2.startSlot, submeshInstruction2.endSlot, isLastSubmesh);
                    submeshTriangleBuffer.triangleCount = submeshInstruction2.triangleCount;
                    submeshTriangleBuffer.firstVertex   = submeshInstruction2.firstVertexIndex;
                }
            }
            if (flag3)
            {
                mesh.Clear();
                this.sharedMaterials = this.currentInstructions.GetUpdatedMaterialArray(this.sharedMaterials);
            }
            next.Set(this.meshVertices, this.meshUVs, this.meshColors32, exposedList, this.currentInstructions);
            mesh.bounds = ArraysMeshGenerator.ToBounds(boundsMin, boundsMax);
            if (flag3)
            {
                mesh.subMeshCount = count;
                for (int n = 0; n < count; n++)
                {
                    mesh.SetTriangles(this.submeshBuffers.Items[n].triangles, n);
                }
                base.TryAddNormalsTo(mesh, num);
            }
            if (this.addTangents)
            {
                ArraysMeshGenerator.SolveTangents2DEnsureSize(ref this.meshTangents, ref this.tempTanBuffer, num);
                int num3 = 0;
                int num4 = count;
                while (num3 < num4)
                {
                    SubmeshTriangleBuffer submeshTriangleBuffer2 = this.submeshBuffers.Items[num3];
                    ArraysMeshGenerator.SolveTangents2DTriangles(this.tempTanBuffer, submeshTriangleBuffer2.triangles, submeshTriangleBuffer2.triangleCount, this.meshVertices, this.meshUVs, num);
                    num3++;
                }
                ArraysMeshGenerator.SolveTangents2DBuffer(this.meshTangents, this.tempTanBuffer, num);
            }
            return(new MeshAndMaterials(next.mesh, this.sharedMaterials));
        }
        public MeshAndMaterials GenerateMesh(SubmeshedMeshInstruction meshInstructions)
        {
            SmartMesh next  = this.doubleBufferedSmartMesh.GetNext();
            Mesh      mesh  = next.mesh;
            int       count = meshInstructions.submeshInstructions.Count;
            ExposedList <SubmeshInstruction> submeshInstructions = meshInstructions.submeshInstructions;
            int  vertexCount = meshInstructions.vertexCount;
            bool flag        = ArraysMeshGenerator.EnsureTriangleBuffersSize(this.submeshBuffers, count, submeshInstructions.Items);
            bool flag2       = ArraysMeshGenerator.EnsureSize(vertexCount, ref this.meshVertices, ref this.meshUVs, ref this.meshColors32);

            Vector3[] meshVertices = this.meshVertices;
            float     zspacing     = this.ZSpacing;
            int       count2       = meshInstructions.attachmentList.Count;
            Vector3   boundsMin;
            Vector3   boundsMax;

            if (count2 <= 0)
            {
                boundsMin = new Vector3(0f, 0f, 0f);
                boundsMax = new Vector3(0f, 0f, 0f);
            }
            else
            {
                boundsMin.x = 2.14748365E+09f;
                boundsMin.y = 2.14748365E+09f;
                boundsMax.x = -2.14748365E+09f;
                boundsMax.y = -2.14748365E+09f;
                if (zspacing > 0f)
                {
                    boundsMin.z = 0f;
                    boundsMax.z = zspacing * (float)(count2 - 1);
                }
                else
                {
                    boundsMin.z = zspacing * (float)(count2 - 1);
                    boundsMax.z = 0f;
                }
            }
            bool flag3 = flag2 || flag || next.StructureDoesntMatch(meshInstructions);
            int  num   = 0;

            for (int i = 0; i < count; i++)
            {
                SubmeshInstruction submeshInstruction = submeshInstructions.Items[i];
                int      startSlot = submeshInstruction.startSlot;
                int      endSlot   = submeshInstruction.endSlot;
                Skeleton skeleton  = submeshInstruction.skeleton;
                ArraysMeshGenerator.FillVerts(skeleton, startSlot, endSlot, zspacing, base.PremultiplyVertexColors, meshVertices, this.meshUVs, this.meshColors32, ref num, ref this.attachmentVertexBuffer, ref boundsMin, ref boundsMax, true);
                if (flag3)
                {
                    SubmeshTriangleBuffer submeshTriangleBuffer = this.submeshBuffers.Items[i];
                    bool isLastSubmesh = i == count - 1;
                    ArraysMeshGenerator.FillTriangles(ref submeshTriangleBuffer.triangles, skeleton, submeshInstruction.triangleCount, submeshInstruction.firstVertexIndex, startSlot, endSlot, isLastSubmesh);
                    submeshTriangleBuffer.triangleCount = submeshInstruction.triangleCount;
                    submeshTriangleBuffer.firstVertex   = submeshInstruction.firstVertexIndex;
                }
            }
            if (flag3)
            {
                mesh.Clear();
                this.sharedMaterials = meshInstructions.GetUpdatedMaterialArray(this.sharedMaterials);
            }
            next.Set(this.meshVertices, this.meshUVs, this.meshColors32, meshInstructions);
            mesh.bounds = ArraysMeshGenerator.ToBounds(boundsMin, boundsMax);
            if (flag3)
            {
                mesh.subMeshCount = count;
                for (int j = 0; j < count; j++)
                {
                    mesh.SetTriangles(this.submeshBuffers.Items[j].triangles, j);
                }
                base.TryAddNormalsTo(mesh, vertexCount);
            }
            if (this.addTangents)
            {
                ArraysMeshGenerator.SolveTangents2DEnsureSize(ref this.meshTangents, ref this.tempTanBuffer, vertexCount);
                int k    = 0;
                int num2 = count;
                while (k < num2)
                {
                    SubmeshTriangleBuffer submeshTriangleBuffer2 = this.submeshBuffers.Items[k];
                    ArraysMeshGenerator.SolveTangents2DTriangles(this.tempTanBuffer, submeshTriangleBuffer2.triangles, submeshTriangleBuffer2.triangleCount, this.meshVertices, this.meshUVs, vertexCount);
                    k++;
                }
                ArraysMeshGenerator.SolveTangents2DBuffer(this.meshTangents, this.tempTanBuffer, vertexCount);
            }
            return(new MeshAndMaterials(next.mesh, this.sharedMaterials));
        }
Пример #6
0
        public Mesh GenerateMesh(Skeleton skeleton)
        {
            int num  = 0;
            int num2 = 0;

            Slot[] items = skeleton.drawOrder.Items;
            int    count = skeleton.drawOrder.Count;
            int    i     = 0;

            while (i < count)
            {
                Slot             slot             = items[i];
                Attachment       attachment       = slot.attachment;
                RegionAttachment regionAttachment = attachment as RegionAttachment;
                int num3;
                int num4;
                if (regionAttachment != null)
                {
                    num3 = 4;
                    num4 = 6;
                    goto IL_7E;
                }
                MeshAttachment meshAttachment = attachment as MeshAttachment;
                if (meshAttachment != null)
                {
                    num3 = meshAttachment.worldVerticesLength >> 1;
                    num4 = meshAttachment.triangles.Length;
                    goto IL_7E;
                }
IL_88:
                i++;
                continue;
IL_7E:
                num2 += num4;
                num  += num3;
                goto IL_88;
            }
            ArraysMeshGenerator.EnsureSize(num, ref this.meshVertices, ref this.meshUVs, ref this.meshColors32);
            this.triangles = (this.triangles ?? new int[num2]);
            Vector3 boundsMin;
            Vector3 boundsMax;

            if (num == 0)
            {
                boundsMin = new Vector3(0f, 0f, 0f);
                boundsMax = new Vector3(0f, 0f, 0f);
            }
            else
            {
                boundsMin.x = 2.14748365E+09f;
                boundsMin.y = 2.14748365E+09f;
                boundsMax.x = -2.14748365E+09f;
                boundsMax.y = -2.14748365E+09f;
                boundsMin.z = -0.01f * this.scale;
                boundsMax.z = 0.01f * this.scale;
                int num5 = 0;
                ArraysMeshGenerator.FillVerts(skeleton, 0, count, this.ZSpacing, base.PremultiplyVertexColors, this.meshVertices, this.meshUVs, this.meshColors32, ref num5, ref this.attachmentVertexBuffer, ref boundsMin, ref boundsMax, true);
                boundsMax.x *= this.scale;
                boundsMax.y *= this.scale;
                boundsMin.x *= this.scale;
                boundsMax.y *= this.scale;
                Vector3[] meshVertices = this.meshVertices;
                for (int j = 0; j < num; j++)
                {
                    Vector3 vector = meshVertices[j];
                    vector.x       *= this.scale;
                    vector.y       *= this.scale;
                    meshVertices[j] = vector;
                }
            }
            ArraysMeshGenerator.FillTriangles(ref this.triangles, skeleton, num2, 0, 0, count, true);
            Mesh nextMesh = this.doubleBufferedMesh.GetNextMesh();

            nextMesh.vertices  = this.meshVertices;
            nextMesh.colors32  = this.meshColors32;
            nextMesh.uv        = this.meshUVs;
            nextMesh.bounds    = ArraysMeshGenerator.ToBounds(boundsMin, boundsMax);
            nextMesh.triangles = this.triangles;
            base.TryAddNormalsTo(nextMesh, num);
            if (this.addTangents)
            {
                ArraysMeshGenerator.SolveTangents2DEnsureSize(ref this.meshTangents, ref this.tempTanBuffer, num);
                ArraysMeshGenerator.SolveTangents2DTriangles(this.tempTanBuffer, this.triangles, num2, this.meshVertices, this.meshUVs, num);
                ArraysMeshGenerator.SolveTangents2DBuffer(this.meshTangents, this.tempTanBuffer, num);
            }
            this.lastGeneratedMesh = nextMesh;
            return(nextMesh);
        }