private void button_Apply_Click(object sender, EventArgs e)
{
if (!_bHasApplyButton)
{
return;
}
progress.Percentage = 0.0f;
progressBar.Visible = true;
TerrainShape terrain = TerrainEditor.CurrentTerrain;
// in case this is a heightmap filter...
IHeightmapFilter hmFilter = _filter as IHeightmapFilter;
if (hmFilter != null)
{
if (!hmFilter.OnStart(terrain.Heightmap, x1, y1, x2, y2))
{
string err = _filter.LastError;
string msg = "An error occurred while running this action.";
if (!string.IsNullOrEmpty(err))
{
msg += "\n\nDetailed message: " + err;
}
EditorManager.ShowMessageBox(msg, "Failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
hmFilter.OnFinish();
return;
}
terrain.EngineTerrain.ApplyHeightmapFilter(hmFilter, progress);
hmFilter.OnFinish();
// trigger the action that has the backed-up height values
EditorManager.Actions.Add(new TerrainChangedAction(terrain.EngineTerrain, "Import Heightmap : " + _filter.Name));
}
// ...or decoration filter
IDecorationFilter decoFilter = _filter as IDecorationFilter;
if (decoFilter != null)
{
if (!decoFilter.OnStart())
{
string err = decoFilter.LastError;
string msg = "An error occurred while running this action.";
if (!string.IsNullOrEmpty(err))
{
msg += "\n\nDetailed message: " + err;
}
EditorManager.ShowMessageBox(msg, "Failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
decoFilter.OnFinish();
return;
}
terrain.EngineTerrain.ApplyDecorationFilter(decoFilter, progress);
EditorManager.Actions.Add(new TerrainChangedAction(terrain.EngineTerrain, "Decoration : " + _filter.Name));
decoFilter.OnFinish();
}
}
/// <summary>
/// Static function to open the filter dialog with additional sample range
/// </summary>
/// <param name="filter"></param>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
/// <returns></returns>
public static bool RunFilter(IHeightmapFilter filter, int x1, int y1, int x2, int y2)
{
if (filter == null || TerrainEditor.CurrentTerrain == null || TerrainEditor.CurrentTerrain.EngineTerrain == null)
{
return(false);
}
ApplyHeightmapFilterDlg dlg = new ApplyHeightmapFilterDlg();
dlg.Filter = filter;
dlg.x1 = x1;
dlg.y1 = y1;
dlg.x2 = x2;
dlg.y2 = y2;
return(dlg.ShowDialog() == DialogResult.OK);
}
/// <summary>
/// Static function to open the filter dialog
/// </summary>
/// <param name="filter"></param>
/// <returns></returns>
public static bool RunFilter(IHeightmapFilter filter)
{
return(RunFilter(filter, 0, 0, -1, -1));
}
