// This performs the copy. Returns false when copy was cancelled.
private bool DoCopySelection(string desc)
{
// Check if possible to copy/paste
if (General.Editing.Mode.Attributes.AllowCopyPaste)
{
// Let the plugins know
if (General.Plugins.OnCopyBegin())
{
// Ask the editing mode to prepare selection for copying.
// The edit mode should mark all vertices, lines and sectors
// that need to be copied.
if (General.Editing.Mode.OnCopyBegin())
{
General.MainWindow.DisplayStatus(StatusType.Action, desc);
// Copy the marked geometry
// This links sidedefs that are not linked to a marked sector to a virtual sector
MapSet copyset = General.Map.Map.CloneMarked();
// Convert flags and activations to UDMF fields, if needed
if (!(General.Map.FormatInterface is UniversalMapSetIO))
{
copyset.TranslateToUDMF();
}
// Write data to stream
MemoryStream memstream = new MemoryStream();
UniversalStreamWriter writer = new UniversalStreamWriter();
writer.RememberCustomTypes = false;
writer.Write(copyset, memstream, null);
// Set on clipboard
Clipboard.SetData(CLIPBOARD_DATA_FORMAT, memstream);
// Done
memstream.Dispose();
General.Editing.Mode.OnCopyEnd();
General.Plugins.OnCopyEnd();
return(true);
}
}
}
else
{
// Copy not allowed
General.MessageBeep(MessageBeepType.Warning);
}
// Aborted
return(false);
}
// This makes a prefab of the selection. Returns null when cancelled.
internal MemoryStream MakePrefab()
{
// Let the plugins know
if (General.Plugins.OnCopyBegin())
{
// Ask the editing mode to prepare selection for copying.
// The edit mode should mark all vertices, lines and sectors
// that need to be copied.
if (General.Editing.Mode.OnCopyBegin())
{
// Copy the marked geometry
// This links sidedefs that are not linked to a marked sector to a virtual sector
MapSet copyset = General.Map.Map.CloneMarked();
// Convert flags and activations to UDMF fields, if needed
if (!(General.Map.FormatInterface is UniversalMapSetIO))
{
copyset.TranslateToUDMF();
}
// Write data to stream
MemoryStream memstream = new MemoryStream();
UniversalStreamWriter writer = new UniversalStreamWriter();
writer.RememberCustomTypes = false;
writer.Write(copyset, memstream, null);
// Compress the stream
MemoryStream compressed = new MemoryStream((int)memstream.Length);
memstream.Seek(0, SeekOrigin.Begin);
BZip2.Compress(memstream, compressed, 900000);
// Done
memstream.Dispose();
General.Editing.Mode.OnCopyEnd();
General.Plugins.OnCopyEnd();
return(compressed);
}
}
// Aborted
return(null);
}
