59 lines
2.3 KiB
TypeScript
59 lines
2.3 KiB
TypeScript
import { Facing, SemanticPosition } from "../interpreterCommon.js";
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import { SemanticAnimationKind, LowLevelMove } from "../lowLevelMove.js";
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import { ISingleVariantMoveInterpreter, LowLevelMovesForAllDancers, MoveInterpreter, PartialLowLevelMove, SemanticPositionsForAllDancers, SingleVariantMoveInterpreter, moveInterpreters } from "./_moveInterpreter.js";
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import { balanceCircleInAndOut } from "./balanceTheRing.js";
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class PetronellaSingleVariant extends SingleVariantMoveInterpreter<Petronella, "petronella"> {
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moveAsLowLevelMoves(): LowLevelMovesForAllDancers {
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// TODO These should be actual parameters, not parsing the notes...
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const rightShoulder: boolean = !(this.move.note?.includes('left') ?? false);
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const newCircle: boolean = this.move.note?.includes('end facing') ?? this.move.progression;
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return this.handleCircleMove(({ startPos }) => {
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let finalPosition = {
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...startPos,
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facing: Facing.CenterOfCircle,
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which: startPos.which.circleRight(rightShoulder ? 1 : -1),
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hands: undefined,
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};
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if (newCircle) {
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finalPosition = {
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...finalPosition,
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which: finalPosition.which.swapUpAndDown(),
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setOffset: (finalPosition.setOffset ?? 0) + (finalPosition.which.isTop() ? -0.5 : +0.5),
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}
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}
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const spin: ((prevEnd: SemanticPosition) => PartialLowLevelMove) = prevEnd => ({
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beats: this.move.beats - (this.move.parameters.bal ? 4 : 0),
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startPosition: {
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...prevEnd,
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facing: Facing.CenterOfCircle,
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hands: undefined,
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},
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endPosition: finalPosition,
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movementPattern: {
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kind: SemanticAnimationKind.Linear,
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minRotation: rightShoulder ? 180 : -180,
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handsDuring: "None",
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},
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});
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if (this.move.parameters.bal) {
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const balance: LowLevelMove[] = balanceCircleInAndOut(this.move, startPos);
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return PetronellaSingleVariant.append([...balance], spin);
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} else {
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return this.combine([spin]);
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}
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});
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}
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}
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class Petronella extends MoveInterpreter<"petronella"> {
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buildSingleVariantMoveInterpreter(startingPos: SemanticPositionsForAllDancers): ISingleVariantMoveInterpreter {
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return new PetronellaSingleVariant(this, startingPos);
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}
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}
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moveInterpreters.set("petronella", Petronella); |