public static Mesh Combine(MeshCombineUtility.MeshInstance[] combines, bool generateStrips)
{
int num = 0;
int length = 0;
int num1 = 0;
MeshCombineUtility.MeshInstance[] meshInstanceArray = combines;
for (int i = 0; i < (int)meshInstanceArray.Length; i++)
{
MeshCombineUtility.MeshInstance meshInstance = meshInstanceArray[i];
if (meshInstance.mesh)
{
num = num + meshInstance.mesh.vertexCount;
if (generateStrips)
{
int length1 = (int)meshInstance.mesh.GetTriangleStrip(meshInstance.subMeshIndex).Length;
if (length1 == 0)
{
generateStrips = false;
}
else
{
if (num1 != 0)
{
num1 = ((num1 & 1) != 1 ? num1 + 2 : num1 + 3);
}
num1 = num1 + length1;
}
}
}
}
if (!generateStrips)
{
MeshCombineUtility.MeshInstance[] meshInstanceArray1 = combines;
for (int j = 0; j < (int)meshInstanceArray1.Length; j++)
{
MeshCombineUtility.MeshInstance meshInstance1 = meshInstanceArray1[j];
if (meshInstance1.mesh)
{
length = length + (int)meshInstance1.mesh.GetTriangles(meshInstance1.subMeshIndex).Length;
}
}
}
Vector3[] vector3Array = new Vector3[num];
Vector3[] vector3Array1 = new Vector3[num];
Vector4[] vector4Array = new Vector4[num];
Vector2[] vector2Array = new Vector2[num];
Vector2[] vector2Array1 = new Vector2[num];
Color[] colorArray = new Color[num];
int[] numArray = new int[length];
int[] numArray1 = new int[num1];
int num2 = 0;
MeshCombineUtility.MeshInstance[] meshInstanceArray2 = combines;
for (int k = 0; k < (int)meshInstanceArray2.Length; k++)
{
MeshCombineUtility.MeshInstance meshInstance2 = meshInstanceArray2[k];
if (meshInstance2.mesh)
{
MeshCombineUtility.Copy(meshInstance2.mesh.vertexCount, meshInstance2.mesh.vertices, vector3Array, ref num2, meshInstance2.transform);
}
}
num2 = 0;
MeshCombineUtility.MeshInstance[] meshInstanceArray3 = combines;
for (int l = 0; l < (int)meshInstanceArray3.Length; l++)
{
MeshCombineUtility.MeshInstance meshInstance3 = meshInstanceArray3[l];
if (meshInstance3.mesh)
{
Matrix4x4 matrix4x4 = meshInstance3.transform.inverse.transpose;
MeshCombineUtility.CopyNormal(meshInstance3.mesh.vertexCount, meshInstance3.mesh.normals, vector3Array1, ref num2, matrix4x4);
}
}
num2 = 0;
MeshCombineUtility.MeshInstance[] meshInstanceArray4 = combines;
for (int m = 0; m < (int)meshInstanceArray4.Length; m++)
{
MeshCombineUtility.MeshInstance meshInstance4 = meshInstanceArray4[m];
if (meshInstance4.mesh)
{
Matrix4x4 matrix4x41 = meshInstance4.transform.inverse.transpose;
MeshCombineUtility.CopyTangents(meshInstance4.mesh.vertexCount, meshInstance4.mesh.tangents, vector4Array, ref num2, matrix4x41);
}
}
num2 = 0;
MeshCombineUtility.MeshInstance[] meshInstanceArray5 = combines;
for (int n = 0; n < (int)meshInstanceArray5.Length; n++)
{
MeshCombineUtility.MeshInstance meshInstance5 = meshInstanceArray5[n];
if (meshInstance5.mesh)
{
MeshCombineUtility.Copy(meshInstance5.mesh.vertexCount, meshInstance5.mesh.uv, vector2Array, ref num2);
}
}
num2 = 0;
MeshCombineUtility.MeshInstance[] meshInstanceArray6 = combines;
for (int o = 0; o < (int)meshInstanceArray6.Length; o++)
{
MeshCombineUtility.MeshInstance meshInstance6 = meshInstanceArray6[o];
if (meshInstance6.mesh)
{
MeshCombineUtility.Copy(meshInstance6.mesh.vertexCount, meshInstance6.mesh.uv1, vector2Array1, ref num2);
}
}
num2 = 0;
MeshCombineUtility.MeshInstance[] meshInstanceArray7 = combines;
for (int p = 0; p < (int)meshInstanceArray7.Length; p++)
{
MeshCombineUtility.MeshInstance meshInstance7 = meshInstanceArray7[p];
if (meshInstance7.mesh)
{
MeshCombineUtility.CopyColors(meshInstance7.mesh.vertexCount, meshInstance7.mesh.colors, colorArray, ref num2);
}
}
int length2 = 0;
int length3 = 0;
int num3 = 0;
MeshCombineUtility.MeshInstance[] meshInstanceArray8 = combines;
for (int q = 0; q < (int)meshInstanceArray8.Length; q++)
{
MeshCombineUtility.MeshInstance meshInstance8 = meshInstanceArray8[q];
if (meshInstance8.mesh)
{
if (!generateStrips)
{
int[] triangles = meshInstance8.mesh.GetTriangles(meshInstance8.subMeshIndex);
for (int r = 0; r < (int)triangles.Length; r++)
{
numArray[r + length2] = triangles[r] + num3;
}
length2 = length2 + (int)triangles.Length;
}
else
{
int[] triangleStrip = meshInstance8.mesh.GetTriangleStrip(meshInstance8.subMeshIndex);
if (length3 != 0)
{
if ((length3 & 1) != 1)
{
numArray1[length3] = numArray1[length3 - 1];
numArray1[length3 + 1] = triangleStrip[0] + num3;
length3 = length3 + 2;
}
else
{
numArray1[length3] = numArray1[length3 - 1];
numArray1[length3 + 1] = triangleStrip[0] + num3;
numArray1[length3 + 2] = triangleStrip[0] + num3;
length3 = length3 + 3;
}
}
for (int s = 0; s < (int)triangleStrip.Length; s++)
{
numArray1[s + length3] = triangleStrip[s] + num3;
}
length3 = length3 + (int)triangleStrip.Length;
}
num3 = num3 + meshInstance8.mesh.vertexCount;
}
}
Mesh mesh = new Mesh()
{
name = "Combined Mesh",
vertices = vector3Array,
normals = vector3Array1,
colors = colorArray,
uv = vector2Array,
uv1 = vector2Array1,
tangents = vector4Array
};
if (!generateStrips)
{
mesh.triangles = numArray;
}
else
{
mesh.SetTriangleStrip(numArray1, 0);
}
return(mesh);
}
public static Mesh Combine(MeshCombineUtility.MeshInstance[] combines, bool generateStrips)
{
int num = 0;
int num2 = 0;
int num3 = 0;
foreach (MeshCombineUtility.MeshInstance meshInstance in combines)
{
if (meshInstance.mesh)
{
num += meshInstance.mesh.vertexCount;
if (generateStrips)
{
int num4 = meshInstance.mesh.GetTriangles(meshInstance.subMeshIndex).Length;
if (num4 != 0)
{
if (num3 != 0)
{
if ((num3 & 1) == 1)
{
num3 += 3;
}
else
{
num3 += 2;
}
}
num3 += num4;
}
else
{
generateStrips = false;
}
}
}
}
if (!generateStrips)
{
foreach (MeshCombineUtility.MeshInstance meshInstance2 in combines)
{
if (meshInstance2.mesh)
{
num2 += meshInstance2.mesh.GetTriangles(meshInstance2.subMeshIndex).Length;
}
}
}
Vector3[] array = new Vector3[num];
Vector3[] array2 = new Vector3[num];
Vector4[] array3 = new Vector4[num];
Vector2[] array4 = new Vector2[num];
Vector2[] array5 = new Vector2[num];
Color[] array6 = new Color[num];
int[] array7 = new int[num2];
int[] array8 = new int[num3];
int num5 = 0;
foreach (MeshCombineUtility.MeshInstance meshInstance3 in combines)
{
if (meshInstance3.mesh)
{
MeshCombineUtility.Copy(meshInstance3.mesh.vertexCount, meshInstance3.mesh.vertices, array, ref num5, meshInstance3.transform);
}
}
num5 = 0;
foreach (MeshCombineUtility.MeshInstance meshInstance4 in combines)
{
if (meshInstance4.mesh)
{
Matrix4x4 transform = meshInstance4.transform;
transform = transform.inverse.transpose;
MeshCombineUtility.CopyNormal(meshInstance4.mesh.vertexCount, meshInstance4.mesh.normals, array2, ref num5, transform);
}
}
num5 = 0;
foreach (MeshCombineUtility.MeshInstance meshInstance5 in combines)
{
if (meshInstance5.mesh)
{
Matrix4x4 transform2 = meshInstance5.transform;
transform2 = transform2.inverse.transpose;
MeshCombineUtility.CopyTangents(meshInstance5.mesh.vertexCount, meshInstance5.mesh.tangents, array3, ref num5, transform2);
}
}
num5 = 0;
foreach (MeshCombineUtility.MeshInstance meshInstance6 in combines)
{
if (meshInstance6.mesh)
{
MeshCombineUtility.Copy(meshInstance6.mesh.vertexCount, meshInstance6.mesh.uv, array4, ref num5);
}
}
num5 = 0;
foreach (MeshCombineUtility.MeshInstance meshInstance7 in combines)
{
if (meshInstance7.mesh)
{
MeshCombineUtility.Copy(meshInstance7.mesh.vertexCount, meshInstance7.mesh.uv2, array5, ref num5);
}
}
num5 = 0;
foreach (MeshCombineUtility.MeshInstance meshInstance8 in combines)
{
if (meshInstance8.mesh)
{
MeshCombineUtility.CopyColors(meshInstance8.mesh.vertexCount, meshInstance8.mesh.colors, array6, ref num5);
}
}
int num8 = 0;
int num9 = 0;
int num10 = 0;
foreach (MeshCombineUtility.MeshInstance meshInstance9 in combines)
{
if (meshInstance9.mesh)
{
if (generateStrips)
{
int[] triangles = meshInstance9.mesh.GetTriangles(meshInstance9.subMeshIndex);
if (num9 != 0)
{
if ((num9 & 1) == 1)
{
array8[num9] = array8[num9 - 1];
array8[num9 + 1] = triangles[0] + num10;
array8[num9 + 2] = triangles[0] + num10;
num9 += 3;
}
else
{
array8[num9] = array8[num9 - 1];
array8[num9 + 1] = triangles[0] + num10;
num9 += 2;
}
}
for (int num12 = 0; num12 < triangles.Length; num12++)
{
array8[num12 + num9] = triangles[num12] + num10;
}
num9 += triangles.Length;
}
else
{
int[] triangles2 = meshInstance9.mesh.GetTriangles(meshInstance9.subMeshIndex);
for (int num13 = 0; num13 < triangles2.Length; num13++)
{
array7[num13 + num8] = triangles2[num13] + num10;
}
num8 += triangles2.Length;
}
num10 += meshInstance9.mesh.vertexCount;
}
}
Mesh mesh = new Mesh();
mesh.name = "Combined Mesh";
mesh.vertices = array;
mesh.normals = array2;
mesh.colors = array6;
mesh.uv = array4;
mesh.uv2 = array5;
mesh.tangents = array3;
if (generateStrips)
{
mesh.SetTriangles(array8, 0);
}
else
{
mesh.triangles = array7;
}
return(mesh);
}
public static Mesh Combine(MeshCombineUtility.MeshInstance[] combines, bool generateStrips)
{
int num = 0;
int num2 = 0;
int num3 = 0;
for (int i = 0; i < combines.Length; i++)
{
MeshCombineUtility.MeshInstance meshInstance = combines[i];
if (meshInstance.mesh)
{
num += meshInstance.mesh.get_vertexCount();
if (generateStrips)
{
int num4 = meshInstance.mesh.GetTriangleStrip(meshInstance.subMeshIndex).Length;
if (num4 != 0)
{
if (num3 != 0)
{
if ((num3 & 1) == 1)
{
num3 += 3;
}
else
{
num3 += 2;
}
}
num3 += num4;
}
else
{
generateStrips = false;
}
}
}
}
if (!generateStrips)
{
for (int j = 0; j < combines.Length; j++)
{
MeshCombineUtility.MeshInstance meshInstance2 = combines[j];
if (meshInstance2.mesh)
{
num2 += meshInstance2.mesh.GetTriangles(meshInstance2.subMeshIndex).Length;
}
}
}
Vector3[] array = new Vector3[num];
Vector3[] array2 = new Vector3[num];
Vector4[] array3 = new Vector4[num];
Vector2[] array4 = new Vector2[num];
Vector2[] array5 = new Vector2[num];
Color[] array6 = new Color[num];
int[] array7 = new int[num2];
int[] array8 = new int[num3];
int num5 = 0;
for (int k = 0; k < combines.Length; k++)
{
MeshCombineUtility.MeshInstance meshInstance3 = combines[k];
if (meshInstance3.mesh)
{
MeshCombineUtility.Copy(meshInstance3.mesh.get_vertexCount(), meshInstance3.mesh.get_vertices(), array, ref num5, meshInstance3.transform);
}
}
num5 = 0;
for (int l = 0; l < combines.Length; l++)
{
MeshCombineUtility.MeshInstance meshInstance4 = combines[l];
if (meshInstance4.mesh)
{
Matrix4x4 transform = meshInstance4.transform;
transform = transform.get_inverse().get_transpose();
MeshCombineUtility.CopyNormal(meshInstance4.mesh.get_vertexCount(), meshInstance4.mesh.get_normals(), array2, ref num5, transform);
}
}
num5 = 0;
for (int m = 0; m < combines.Length; m++)
{
MeshCombineUtility.MeshInstance meshInstance5 = combines[m];
if (meshInstance5.mesh)
{
Matrix4x4 transform2 = meshInstance5.transform;
transform2 = transform2.get_inverse().get_transpose();
MeshCombineUtility.CopyTangents(meshInstance5.mesh.get_vertexCount(), meshInstance5.mesh.get_tangents(), array3, ref num5, transform2);
}
}
num5 = 0;
for (int n = 0; n < combines.Length; n++)
{
MeshCombineUtility.MeshInstance meshInstance6 = combines[n];
if (meshInstance6.mesh)
{
MeshCombineUtility.Copy(meshInstance6.mesh.get_vertexCount(), meshInstance6.mesh.get_uv(), array4, ref num5);
}
}
num5 = 0;
for (int num6 = 0; num6 < combines.Length; num6++)
{
MeshCombineUtility.MeshInstance meshInstance7 = combines[num6];
if (meshInstance7.mesh)
{
MeshCombineUtility.Copy(meshInstance7.mesh.get_vertexCount(), meshInstance7.mesh.get_uv1(), array5, ref num5);
}
}
num5 = 0;
for (int num7 = 0; num7 < combines.Length; num7++)
{
MeshCombineUtility.MeshInstance meshInstance8 = combines[num7];
if (meshInstance8.mesh)
{
MeshCombineUtility.CopyColors(meshInstance8.mesh.get_vertexCount(), meshInstance8.mesh.get_colors(), array6, ref num5);
}
}
int num8 = 0;
int num9 = 0;
int num10 = 0;
for (int num11 = 0; num11 < combines.Length; num11++)
{
MeshCombineUtility.MeshInstance meshInstance9 = combines[num11];
if (meshInstance9.mesh)
{
if (generateStrips)
{
int[] triangleStrip = meshInstance9.mesh.GetTriangleStrip(meshInstance9.subMeshIndex);
if (num9 != 0)
{
if ((num9 & 1) == 1)
{
array8[num9] = array8[num9 - 1];
array8[num9 + 1] = triangleStrip[0] + num10;
array8[num9 + 2] = triangleStrip[0] + num10;
num9 += 3;
}
else
{
array8[num9] = array8[num9 - 1];
array8[num9 + 1] = triangleStrip[0] + num10;
num9 += 2;
}
}
for (int num12 = 0; num12 < triangleStrip.Length; num12++)
{
array8[num12 + num9] = triangleStrip[num12] + num10;
}
num9 += triangleStrip.Length;
}
else
{
int[] triangles = meshInstance9.mesh.GetTriangles(meshInstance9.subMeshIndex);
for (int num13 = 0; num13 < triangles.Length; num13++)
{
array7[num13 + num8] = triangles[num13] + num10;
}
num8 += triangles.Length;
}
num10 += meshInstance9.mesh.get_vertexCount();
}
}
Mesh mesh = new Mesh();
mesh.set_name("Combined Mesh");
mesh.set_vertices(array);
mesh.set_normals(array2);
mesh.set_colors(array6);
mesh.set_uv(array4);
mesh.set_uv1(array5);
mesh.set_tangents(array3);
if (generateStrips)
{
mesh.SetTriangleStrip(array8, 0);
}
else
{
mesh.set_triangles(array7);
}
return(mesh);
}