void PasteSelection()
{
history.AddHistroyAtSelection();
int lines = m_CopyData.GetLength(0);
int chns = m_CopyData.GetLength(1);
int cols = SongData.SONG_DATA_COUNT;
int currLine = patternView.selectedLine;
int currChn = patternView.position.channel;
int currCol = patternView.position.dataColumn;
//offset currCol to same col as copy
int colDelta = (currCol % SongData.SONG_DATA_COUNT) - (m_LastCopy.startCol & SongData.SONG_DATA_COUNT);
currCol -= colDelta;
for (int line = 0; line < lines; line++)
{
if (currLine + line >= patternView.data.patternLength)
{
break;
}
for (int chn = 0; chn < chns; chn++)
{
if (currChn + chn >= songData.channels)
{
break;
}
if (!songData.IsPatternValid(chn))
{
continue;
}
int startCol = chn == 0 ? m_LastCopy.startCol : 0;
int endCol = chn == chns - 1 ? m_LastCopy.endCol + 1 : SongData.SONG_DATA_COUNT - startCol;
for (int col = startCol; col < endCol; col++)
{
songData.SetData(currChn + chn, currLine + line, col, m_CopyData[line, chn, col]);
}
patternView.UpdateSingleRow(currChn + chn, currLine + line);
}
}
patternView.SetSelection(currLine + (m_LastCopy.endLine - m_LastCopy.startLine) + 1);
}
public void DoOperation(SelectionDataUpdateDelegate op, bool update = true)
{
for (int line = m_Selection.startLine; line <= m_Selection.endLine; line++)
{
for (int chn = m_Selection.startChn; chn <= m_Selection.endChn; chn++)
{
int startCol = chn == m_Selection.startChn ? m_Selection.startCol : 0;
int endCol = chn == m_Selection.endChn ? m_Selection.endCol : SongData.SONG_DATA_COUNT - 1;
for (int col = startCol; col <= endCol; col++)
{
op(line, chn, col);
}
if (update)
{
view.UpdateSingleRow(chn, line);
}
}
}
}