// Taking bindposes optional parameter is ugly, but saves an additional array allocation if it was already
// accessed to get the length
public static void ApplyToWorkingMesh(this Mesh mesh, ref WorkingMesh wm, Matrix4x4[] bindposes = null)
{
wm.indexFormat = mesh.indexFormat;
wm.vertices = mesh.vertices;
wm.normals = mesh.normals;
wm.tangents = mesh.tangents;
wm.uv = mesh.uv;
wm.uv2 = mesh.uv2;
wm.uv3 = mesh.uv3;
wm.uv4 = mesh.uv4;
wm.colors = mesh.colors;
wm.boneWeights = mesh.boneWeights;
wm.bindposes = bindposes ?? mesh.bindposes;
wm.subMeshCount = mesh.subMeshCount;
for (int i = 0; i < mesh.subMeshCount; i++)
{
wm.SetTriangles(mesh.GetTriangles(i), i);
}
wm.name = mesh.name;
wm.bounds = mesh.bounds;
}
IEnumerator Simplify(Mesh inputMesh, Mesh outputMesh, float quality)
{
var meshSimplifier = new MeshSimplifier();
meshSimplifier.Vertices = inputMesh.vertices;
meshSimplifier.Normals = inputMesh.normals;
meshSimplifier.Tangents = inputMesh.tangents;
meshSimplifier.UV1 = inputMesh.uv;
meshSimplifier.UV2 = inputMesh.uv2;
meshSimplifier.UV3 = inputMesh.uv3;
meshSimplifier.UV4 = inputMesh.uv4;
meshSimplifier.Colors = inputMesh.colors;
var triangles = new int[inputMesh.subMeshCount][];
for (var submesh = 0; submesh < inputMesh.subMeshCount; submesh++)
{
triangles[submesh] = inputMesh.GetTriangles(submesh);
}
meshSimplifier.AddSubMeshTriangles(triangles);
meshSimplifier.SimplifyMesh(quality);
outputMesh.vertices = meshSimplifier.Vertices;
outputMesh.normals = meshSimplifier.Normals;
outputMesh.tangents = meshSimplifier.Tangents;
outputMesh.uv = meshSimplifier.UV1;
outputMesh.uv2 = meshSimplifier.UV2;
outputMesh.uv3 = meshSimplifier.UV3;
outputMesh.uv4 = meshSimplifier.UV4;
outputMesh.colors = meshSimplifier.Colors;
outputMesh.subMeshCount = meshSimplifier.SubMeshCount;
for (var submesh = 0; submesh < outputMesh.subMeshCount; submesh++)
{
outputMesh.SetTriangles(meshSimplifier.GetSubMeshTriangles(submesh), submesh);
}
yield break;
}
public static void ApplyToWorkingMesh(this Mesh mesh, WorkingMesh wm)
{
#if UNITY_2017_3_OR_NEWER
wm.indexFormat = mesh.indexFormat;
#endif
wm.vertices = mesh.vertices;
wm.normals = mesh.normals;
wm.tangents = mesh.tangents;
wm.uv = mesh.uv;
wm.uv2 = mesh.uv2;
wm.uv3 = mesh.uv3;
wm.uv4 = mesh.uv4;
wm.colors = mesh.colors;
wm.boneWeights = mesh.boneWeights;
wm.bindposes = mesh.bindposes;
wm.subMeshCount = mesh.subMeshCount;
for (int i = 0; i < mesh.subMeshCount; i++)
{
wm.SetTriangles(mesh.GetTriangles(i), i);
}
wm.name = mesh.name;
wm.bounds = mesh.bounds;
}
static void FromMeshDecimatorMesh(DMesh mesh, bool recalculateNormals, ref WMesh destMesh)
{
if (recalculateNormals)
{
// If we recalculate the normals, we also recalculate the tangents
mesh.RecalculateNormals();
mesh.RecalculateTangents();
}
int subMeshCount = mesh.SubMeshCount;
var newNormals = FromVector3(mesh.Normals);
var newTangents = FromVector4(mesh.Tangents);
var newUV1 = FromVector2(mesh.UV1);
var newUV2 = FromVector2(mesh.UV2);
var newUV3 = FromVector2(mesh.UV3);
var newUV4 = FromVector2(mesh.UV4);
var newColors = FromColor(mesh.Colors);
//var newBoneWeights = FromSimplifyBoneWeights(mesh.BoneWeights);
//if (bindposes != null) newMesh.bindposes = bindposes;
destMesh.subMeshCount = subMeshCount;
destMesh.vertices = FromVector3d(mesh.Vertices);
if (newNormals != null)
{
destMesh.normals = newNormals;
}
if (newTangents != null)
{
destMesh.tangents = newTangents;
}
if (newUV1 != null)
{
destMesh.uv = newUV1;
}
if (newUV2 != null)
{
destMesh.uv2 = newUV2;
}
if (newUV3 != null)
{
destMesh.uv3 = newUV3;
}
if (newUV4 != null)
{
destMesh.uv4 = newUV4;
}
if (newColors != null)
{
destMesh.colors = newColors;
}
//if (newBoneWeights != null)
// newMesh.boneWeights = newBoneWeights;
for (int i = 0; i < subMeshCount; i++)
{
var subMeshIndices = mesh.GetIndices(i);
destMesh.SetTriangles(subMeshIndices, i);
}
destMesh.RecalculateBounds();
}