public static List <ElementGroup> GetElementGroups(ProBuilderMesh mesh, PivotPoint pivot, HandleOrientation orientation, bool collectCoincident)
{
var groups = new List <ElementGroup>();
var trs = mesh.transform.localToWorldMatrix;
var selectMode = ProBuilderEditor.selectMode;
switch (pivot)
{
case PivotPoint.IndividualOrigins:
{
if (selectMode.ContainsFlag(SelectMode.Vertex | SelectMode.TextureVertex))
{
foreach (var list in GetVertexSelectionGroups(mesh, collectCoincident))
{
var bounds = Math.GetBounds(mesh.positionsInternal, list);
var rot = UnityEngine.ProBuilder.HandleUtility.GetVertexRotation(mesh, orientation, list);
groups.Add(new ElementGroup(list, trs.MultiplyPoint3x4(bounds.center), rot));
}
}
else if (selectMode.ContainsFlag(SelectMode.Edge | SelectMode.TextureEdge))
{
foreach (var list in GetEdgeSelectionGroups(mesh))
{
var bounds = Math.GetBounds(mesh.positionsInternal, list);
var rot = UnityEngine.ProBuilder.HandleUtility.GetEdgeRotation(mesh, orientation, list);
List <int> indices;
if (collectCoincident)
{
indices = new List <int>();
mesh.GetCoincidentVertices(list, indices);
}
else
{
indices = list.SelectMany(x => new int[] { x.a, x.b }).ToList();
}
groups.Add(new ElementGroup(indices, trs.MultiplyPoint3x4(bounds.center), rot));
}
}
else if (selectMode.ContainsFlag(SelectMode.Face | SelectMode.TextureFace))
{
foreach (var list in GetFaceSelectionGroups(mesh))
{
var bounds = Math.GetBounds(mesh.positionsInternal, list);
var rot = UnityEngine.ProBuilder.HandleUtility.GetFaceRotation(mesh, orientation, list);
List <int> indices;
if (collectCoincident)
{
indices = new List <int>();
mesh.GetCoincidentVertices(list, indices);
}
else
{
indices = list.SelectMany(x => x.distinctIndexesInternal).ToList();
}
groups.Add(new ElementGroup(indices, trs.MultiplyPoint3x4(bounds.center), rot));
}
}
break;
}
case PivotPoint.ActiveElement:
{
var indices = GetSelectedIndicesForSelectMode(mesh, selectMode, collectCoincident);
var position = mesh.transform.position;
var rotation = mesh.transform.rotation;
if (selectMode.ContainsFlag(SelectMode.Face | SelectMode.TextureFace))
{
var face = mesh.GetActiveFace();
if (face != null)
{
position = trs.MultiplyPoint3x4(Math.GetBounds(mesh.positionsInternal, face.distinctIndexesInternal).center);
rotation = UnityEngine.ProBuilder.HandleUtility.GetFaceRotation(mesh, orientation, new Face[] { face });
}
}
else if (selectMode.ContainsFlag(SelectMode.Edge | SelectMode.TextureEdge))
{
var edge = mesh.GetActiveEdge();
if (edge != Edge.Empty)
{
position = trs.MultiplyPoint3x4(Math.GetBounds(mesh.positionsInternal, new int [] { edge.a, edge.b }).center);
rotation = UnityEngine.ProBuilder.HandleUtility.GetEdgeRotation(mesh, orientation, new Edge[] { edge });
}
}
else if (selectMode.ContainsFlag(SelectMode.Vertex | SelectMode.TextureVertex))
{
var vertex = mesh.GetActiveVertex();
if (vertex > -1)
{
position = trs.MultiplyPoint3x4(mesh.positionsInternal[vertex]);
rotation = UnityEngine.ProBuilder.HandleUtility.GetVertexRotation(mesh, orientation, new int[] { vertex });
}
}
groups.Add(new ElementGroup(indices, position, rotation));
break;
}
default:
{
var indices = GetSelectedIndicesForSelectMode(mesh, selectMode, collectCoincident);
var position = MeshSelection.bounds.center;
var rotation = Quaternion.identity;
if (selectMode.ContainsFlag(SelectMode.Face | SelectMode.TextureFace))
{
var face = mesh.GetActiveFace();
if (face != null)
{
rotation = UnityEngine.ProBuilder.HandleUtility.GetFaceRotation(mesh, orientation, new Face[] { face });
}
}
else if (selectMode.ContainsFlag(SelectMode.Edge | SelectMode.TextureEdge))
{
var edge = mesh.GetActiveEdge();
if (edge != Edge.Empty)
{
rotation = UnityEngine.ProBuilder.HandleUtility.GetEdgeRotation(mesh, orientation, new Edge[] { edge });
}
}
else if (selectMode.ContainsFlag(SelectMode.Vertex | SelectMode.TextureVertex))
{
var vertex = mesh.GetActiveVertex();
if (vertex > -1)
{
rotation = UnityEngine.ProBuilder.HandleUtility.GetVertexRotation(mesh, orientation, new int[] { vertex });
}
}
groups.Add(new ElementGroup(indices, position, rotation));
break;
}
}
return(groups);
}