public override void Run(IPERunArgs args)
{
try
{
var pmx = args.Host.Connector.Pmx.GetCurrentState();
var selectedVertex = args.Host.Connector.View.PmxView.GetSelectedVertexIndices().Select(i => pmx.Vertex[i]).ToList();
var selecteMaterialIndices = args.Host.Connector.Form.GetSelectedMaterialIndices();
if (!selectedVertex.Any())
{
throw new InvalidOperationException("UVを転写させたい頂点を選択してください。");
}
if (!selecteMaterialIndices.Any())
{
throw new InvalidOperationException("UV転写元頂点を含む面が属する材質を選択してください。");
}
// 余分な頂点をtreeに入れると重くなるので選択頂点の範囲内(の反転した領域)のみを取り込む
(V3 min, V3 max)bound = Utility.GetBoundingBox(selectedVertex);
// 取り込み領域を拡大
bound.min.Times(1.1);
bound.max.Times(1.1);
var tree = new KdTree <float, IPXVertex>(3, new FloatMath(), AddDuplicateBehavior.List);
var vertices = selecteMaterialIndices.SelectMany(i => Utility.GetMaterialVertices(pmx.Material[i]));
foreach (var v in vertices
.Where(v => v.Position.X.IsWithin(-1 * bound.max.X, -1 * bound.min.X))
.Where(v => v.Position.Y.IsWithin(bound.min.Y, bound.max.Y))
.Where(v => v.Position.Z.IsWithin(bound.min.Z, bound.max.Z))
)
{
tree.Add(v.Position.ToArray(), v);
}
foreach (var v in selectedVertex)
{
var vMirror = new V3(v.Position);
vMirror.X *= -1;
var neighbor = tree.GetNearestNeighbours(vMirror.ToArray(), 1);
v.UV = neighbor[0].Duplicate.Aggregate(new V2(0, 0), (sum, vtx) => sum + vtx.UV) / neighbor[0].Duplicate.Count;
}
Utility.Update(args.Host.Connector, pmx, PmxUpdateObject.Vertex);
}
catch (InvalidOperationException ex)
{
Utility.ShowExceptionMessage(ex);
}
catch (Exception ex)
{
Utility.ShowException(ex);
}
}