public WorkingObject(Allocator allocator)
{
m_allocator = allocator;
m_mesh = null;
m_materials = new DisposableList <WorkingMaterial>();
m_localToWorld = Matrix4x4.identity;
}
public static WorkingMesh ToWorkingMesh(this Mesh mesh, Allocator allocator)
{
var bindposes = mesh.bindposes;
var wm = new WorkingMesh(allocator, mesh.vertexCount, mesh.GetTriangleCount(), mesh.subMeshCount, bindposes.Length);
mesh.ApplyToWorkingMesh(ref wm, bindposes);
return(wm);
}
public void SetMesh(WorkingMesh mesh)
{
if (m_mesh == mesh)
{
return;
}
if (m_mesh != null)
{
m_mesh.Dispose();
m_mesh = null;
}
m_mesh = mesh;
}
public void FromRenderer(MeshRenderer renderer)
{
//clean old data
m_mesh?.Dispose();
m_materials?.Dispose();
MeshFilter filter = renderer.GetComponent <MeshFilter>();
if (filter != null && filter.sharedMesh != null)
{
m_mesh = filter.sharedMesh.ToWorkingMesh(m_allocator);
}
foreach (var mat in renderer.sharedMaterials)
{
m_materials.Add(mat.ToWorkingMaterial(m_allocator));
}
m_localToWorld = renderer.localToWorldMatrix;
}
// 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;
}