helpers scenePalettes.ts

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  import { DMG_PALETTE } from "consts";
import { Palette } from "shared/lib/resources/types";
 
const PALETTE_COUNT = 8;
 
type PaletteLookup<Palette> = Record<string, Palette | undefined>;
 
export const dmgPalettes = [
  DMG_PALETTE,
  DMG_PALETTE,
  DMG_PALETTE,
  DMG_PALETTE,
  DMG_PALETTE,
  DMG_PALETTE,
  DMG_PALETTE,
  DMG_PALETTE,
];
 
const resolvePalette = (
  paletteIds: readonly (string | undefined)[] | undefined,
  defaultPaletteIds: readonly (string | undefined)[],
  palettesLookup: PaletteLookup<Palette>,
  paletteIndex: number,
): Palette => {
  const paletteId = paletteIds?.[paletteIndex];
 
  Iif (paletteId === "dmg") {
    return DMG_PALETTE;
  }
 
  return (
    palettesLookup[paletteId ?? ""] ||
    palettesLookup[defaultPaletteIds[paletteIndex] ?? ""] ||
    DMG_PALETTE
  );
};
 
export const resolveScenePalettes = (
  paletteIds: readonly (string | undefined)[] | undefined,
  defaultPaletteIds: readonly (string | undefined)[],
  palettesLookup: PaletteLookup<Palette>,
  colorsEnabled: boolean,
): Palette[] => {
  return colorsEnabled
    ? Array.from({ length: PALETTE_COUNT }, (_, index) =>
        resolvePalette(paletteIds, defaultPaletteIds, palettesLookup, index),
      )
    : dmgPalettes;
};