|
public static EnsureSize ( int targetVertexCount, |
||
| targetVertexCount | int | |
| vertices | ||
| uvs | ||
| colors | ||
| return | bool | |
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);
}
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));
}
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);
}