//Component_MeshInSpace contains only one Component_Mesh.
static void MergeGeometries(Component_Mesh mesh, DocumentInstance document, UndoMultiAction undo)
{
Component_MeshGeometry[] geometries = mesh.GetComponents <Component_MeshGeometry>();
if (geometries == null || geometries.Length < 2)
{
return;
}
Reference <Component_Material> material = geometries[0].Material;
//for( int i = 1; i < geometries.Length; i++ )
//{
// if( !( material.Value == null && geometries[ i ].Material.Value == null || material.Equals( geometries[ i ].Material ) ) )
// {
// //??? Если разные Material какой вариант лучше: 1) Брать из первого geometry с вопросом в MessageBox; 2) Disable в меню для Action. 3) Соединять те, которые с одинаковым материалом.
// if( EditorMessageBox.ShowQuestion( "Mesh geometries have different materials. Merge them using a material from the first geometry?", MessageBoxButtons.OKCancel ) == DialogResult.Cancel )
// {
// return;
// }
// }
//}
var extracted = mesh.ExtractStructure();
var newIndices = new List <int>();
var newVertices = new List <byte>();
var newVertexStructure = extracted.MeshGeometries[0].VertexStructure;
var newVertexFormat = new MeshData.MeshGeometryFormat(newVertexStructure);
for (int geomIndex = 0; geomIndex < extracted.MeshGeometries.Length; geomIndex++)
{
var g = extracted.MeshGeometries[geomIndex];
if (g.Vertices == null || g.Indices == null)
{
continue;
}
int indexOffset = newVertices.Count / newVertexFormat.vertexSize;
for (int i = 0; i < g.Indices.Length; i++)
{
newIndices.Add(g.Indices[i] + indexOffset);
}
if (!CommonFunctions.IsSameVertexStructure(newVertexStructure, g.VertexStructure))
{
g.Vertices = MeshData.ConvertToFormat(new MeshData.MeshGeometryFormat(g.VertexStructure), g.Vertices, newVertexFormat);
}
newVertices.AddRange(g.Vertices);
foreach (var face in extracted.Structure.Faces)
{
for (int i = 0; i < face.Triangles.Length; i++)
{
if (face.Triangles[i].RawGeometry == geomIndex)
{
face.Triangles[i].RawGeometry = 0;
face.Triangles[i].RawVertex += indexOffset;
}
}
}
}
// changes in the mesh
if (undo != null)
{
//add structure update to undo
var property = (Metadata.Property)mesh.MetadataGetMemberBySignature("property:" + nameof(Component_Mesh.Structure));
undo.AddAction(new UndoActionPropertiesChange(new UndoActionPropertiesChange.Item(mesh, property, mesh.Structure?.Clone())));
}
bool meshWasEnabled = mesh.Enabled;
mesh.Enabled = false;
try
{
var newGeometry = mesh.CreateComponent <Component_MeshGeometry>();
newGeometry.Material = material;
newGeometry.Vertices = newVertices.ToArray();
newGeometry.Indices = newIndices.ToArray();
newGeometry.VertexStructure = newVertexStructure;
//add created geometry to undo
undo?.AddAction(new UndoActionComponentCreateDelete(document, new Component[] { newGeometry }, create: true));
mesh.Structure = extracted.Structure;
//delete old mesh geometry
undo?.AddAction(new UndoActionComponentCreateDelete(document, geometries, create: false));
newGeometry.Name = CommonFunctions.GetUniqueFriendlyName(newGeometry);
}
finally
{
mesh.Enabled = meshWasEnabled;
}
}
static void ConvertProceduralMeshGeometries(DocumentInstance document, Component_Mesh mesh, UndoMultiAction undoMultiAction, ref bool needUndoForNextActions)
{
//needUndoForNextActions = true;
var meshGeometries = mesh.GetComponents <Component_MeshGeometry>();
if (meshGeometries.Any(g => g is Component_MeshGeometry_Procedural))
{
//!!!!?
bool hasOrdinary = meshGeometries.Any(g => !(g is Component_MeshGeometry_Procedural));
if (!hasOrdinary)
{
needUndoForNextActions = false; //??? Если были и обычные geometry и procedural? Как правильно needUndoForNextActions? Пока так: undo не нужен только если все procedural
}
//!!!!right? !needUndoForNextActions
if (undoMultiAction != null && !needUndoForNextActions)
{
//add structure update to undo
var property = (Metadata.Property)mesh.MetadataGetMemberBySignature("property:" + nameof(Component_Mesh.Structure));
undoMultiAction.AddAction(new UndoActionPropertiesChange(new UndoActionPropertiesChange.Item(mesh, property, mesh.Structure?.Clone())));
}
for (int i = 0; i < meshGeometries.Length; i++)
{
var meshGeometry = meshGeometries[i];
//convert to usual Component_MeshGeometry
if (meshGeometry is Component_MeshGeometry_Procedural meshGeometryProcedural)
{
VertexElement[] vertexStructure = null;
byte[] vertices = null;
int[] indices = null;
Component_Material material = null;
Component_Mesh.StructureClass structure = null;
meshGeometryProcedural.GetProceduralGeneratedData(ref vertexStructure, ref vertices, ref indices, ref material, ref structure);
var insertIndex = meshGeometryProcedural.Parent.Components.IndexOf(meshGeometryProcedural);
var meshGeometryNew = mesh.CreateComponent <Component_MeshGeometry>(insertIndex);
meshGeometryNew.Name = meshGeometry.Name;
meshGeometryNew.VertexStructure = vertexStructure;
meshGeometryNew.Vertices = vertices;
meshGeometryNew.Indices = indices;
meshGeometryNew.Material = meshGeometryProcedural.Material;
//concut structures. If the geometry is procedural it is not in a structure yet.
mesh.Structure = Component_Mesh.StructureClass.Concat(mesh.Structure, structure, i);
//delete old mesh geometry
if (undoMultiAction != null)
{
undoMultiAction.AddAction(new UndoActionComponentCreateDelete(document, new Component[] { meshGeometry }, create: false));
}
else
{
meshGeometry.Dispose();
}
//add created geometry to undo
if (undoMultiAction != null)
{
undoMultiAction.AddAction(new UndoActionComponentCreateDelete(document, new Component[] { meshGeometryNew }, create: true));
}
}
}
}
}