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));
}