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Funkin/source/funkin/ui/debug/charting/commands/MoveEventsCommand.hx

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2.4 KiB
Haxe

package funkin.ui.debug.charting.commands;
import funkin.data.song.SongData.SongEventData;
import funkin.data.song.SongData.SongNoteData;
import funkin.data.song.SongDataUtils;
/**
* Move the given events by the given offset and shift them by the given number of columns in the chart editor.
*/
@:nullSafety
@:access(funkin.ui.debug.charting.ChartEditorState)
class MoveEventsCommand implements ChartEditorCommand
{
var events:Array<SongEventData>;
var movedEvents:Array<SongEventData>;
var offset:Float;
public function new(events:Array<SongEventData>, offset:Float)
{
// Clone the notes to prevent editing from affecting the history.
this.events = [for (event in events) event.clone()];
this.offset = offset;
this.movedEvents = [];
}
public function execute(state:ChartEditorState):Void
{
state.currentSongChartEventData = SongDataUtils.subtractEvents(state.currentSongChartEventData, events);
movedEvents = [];
for (event in events)
{
// Clone the notes to prevent editing from affecting the history.
var resultEvent = event.clone();
resultEvent.time = (resultEvent.time + offset).clamp(0, Conductor.instance.getStepTimeInMs(state.songLengthInSteps - (1 * state.noteSnapRatio)));
movedEvents.push(resultEvent);
}
state.currentSongChartEventData = SongDataUtils.subtractEvents(state.currentSongChartEventData, events);
state.currentSongChartEventData = state.currentSongChartEventData.concat(movedEvents);
state.currentEventSelection = movedEvents;
state.playSound(Paths.sound('chartingSounds/noteLay'));
state.saveDataDirty = true;
state.noteDisplayDirty = true;
state.notePreviewDirty = true;
state.sortChartData();
}
public function undo(state:ChartEditorState):Void
{
state.currentSongChartEventData = SongDataUtils.subtractEvents(state.currentSongChartEventData, movedEvents);
state.currentSongChartEventData = state.currentSongChartEventData.concat(events);
state.currentEventSelection = events;
state.saveDataDirty = true;
state.noteDisplayDirty = true;
state.notePreviewDirty = true;
state.sortChartData();
}
public function shouldAddToHistory(state:ChartEditorState):Bool
{
// This command is undoable. Add to the history if we actually performed an action.
return (events.length > 0);
}
public function toString():String
{
var len:Int = events.length;
return 'Move $len Events';
}
}