138 lines
3.6 KiB
Haxe
138 lines
3.6 KiB
Haxe
package funkin.ui.debug.charting;
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import funkin.play.song.SongData.SongNoteData;
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/**
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* Actions in the chart editor are backed by the Command pattern
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* (see Bob Nystrom's book "Game Programming Patterns" for more info)
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*
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* To make a function compatible with the undo/redo history, create a new class
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* that implements ChartEditorCommand, then call `ChartEditorState.performCommand(new Command())`
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*/
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interface ChartEditorCommand
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{
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/**
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* Calling this function should perform the action that this command represents.
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* @param state The ChartEditorState to perform the action on.
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*/
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public function execute(state:ChartEditorState):Void;
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/**
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* Calling this function should perform the inverse of the action that this command represents,
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* effectively undoing the action.
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* @param state The ChartEditorState to undo the action on.
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*/
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public function undo(state:ChartEditorState):Void;
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/**
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* Get a short description of the action (for the UI).
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* For example, return `Add Left Note` to display `Undo Add Left Note` in the menu.
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*/
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public function toString():String;
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}
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class AddNoteCommand implements ChartEditorCommand
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{
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private var note:SongNoteData;
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public function new(note:SongNoteData)
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{
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this.note = note;
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}
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public function execute(state:ChartEditorState):Void
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{
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state.currentSongChartNoteData.push(note);
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state.playSound(Paths.sound('funnyNoise/funnyNoise-08'));
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state.noteDisplayDirty = true;
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state.sortChartData();
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}
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public function undo(state:ChartEditorState):Void
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{
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state.currentSongChartNoteData.remove(note);
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state.playSound(Paths.sound('funnyNoise/funnyNoise-01'));
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state.noteDisplayDirty = true;
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state.sortChartData();
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}
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public function toString():String
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{
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var dir:String = note.getDirectionName();
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return 'Add $dir Note';
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}
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}
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class RemoveNoteCommand implements ChartEditorCommand
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{
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private var note:SongNoteData;
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public function new(note:SongNoteData)
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{
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this.note = note;
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}
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public function execute(state:ChartEditorState):Void
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{
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state.currentSongChartNoteData.remove(note);
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state.playSound(Paths.sound('funnyNoise/funnyNoise-01'));
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state.noteDisplayDirty = true;
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state.sortChartData();
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}
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public function undo(state:ChartEditorState):Void
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{
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state.currentSongChartNoteData.push(note);
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state.playSound(Paths.sound('funnyNoise/funnyNoise-08'));
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state.noteDisplayDirty = true;
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state.sortChartData();
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}
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public function toString():String
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{
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var dir:String = note.getDirectionName();
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return 'Remove $dir Note';
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}
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}
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class SwitchDifficultyCommand implements ChartEditorCommand
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{
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private var prevDifficulty:String;
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private var newDifficulty:String;
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private var prevVariation:String;
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private var newVariation:String;
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public function new(prevDifficulty:String, newDifficulty:String, prevVariation:String, newVariation:String)
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{
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this.prevDifficulty = prevDifficulty;
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this.newDifficulty = newDifficulty;
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this.prevVariation = prevVariation;
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this.newVariation = newVariation;
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}
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public function execute(state:ChartEditorState):Void
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{
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state.selectedVariation = newVariation != null ? newVariation : prevVariation;
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state.selectedDifficulty = newDifficulty != null ? newDifficulty : prevDifficulty;
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state.noteDisplayDirty = true;
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state.notePreviewDirty = true;
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}
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public function undo(state:ChartEditorState):Void
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{
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state.selectedVariation = prevVariation != null ? prevVariation : newVariation;
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state.selectedDifficulty = prevDifficulty != null ? prevDifficulty : newDifficulty;
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state.noteDisplayDirty = true;
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state.notePreviewDirty = true;
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}
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public function toString():String
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{
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return 'Switch Difficulty';
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}
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}
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