bbpcalc.js

"use strict";

const values = {
  woodFoundation: {
    logs: 1,
    planks: 6,
    nails: 20
  },
  woodWall: {
    logs: 1,
    planks: 15,
    nails: 36
  },
  woodHalfWall: {
    logs: 1,
    planks: 8,
    nails: 18
  },
  woodWindow: {
    logs: 1,
    planks: 20,
    nails: 46
  },
  woodDoor: {
    logs: 1,
    planks: 15,
    nails: 36
  },
  woodRoof: {
    logs: 2,
    planks: 15,
    nails: 20
  },
  woodFloor: {
    logs: 1,
    planks: 15,
    nails: 20
  },
  woodFloorHatch: {
    logs: 3,
    planks: 23,
    nails: 30
  },
  woodStairs: {
    logs: 2,
    planks: 10,
    nails: 10
  },
  woodRamp: {
    logs: 2,
    planks: 10,
    nails: 10
  },
  woodRampWide: {
    logs: 2,
    planks: 15,
    nails: 15
  },
  woodGate: {
    logs: 1,
    planks: 15,
    nails: 32
  },
  metalFoundation: {
    stones: 8,
    mortar: 2
  },
  metalWall: {
    logs: 1,
    planks: 5,
    nails: 40,
    metal: 6
  },
  metalHalfWall: {
    logs: 1,
    planks: 3,
    nails: 24,
    metal: 3
  },
  metalWindow: {
    logs: 1,
    planks: 5,
    nails: 52,
    metal: 8
  },
  metalDoor: {
    logs: 1,
    planks: 5,
    nails: 52,
    metal: 8
  },
  metalRoof: {
    logs: 2,
    planks: 5,
    nails: 20,
    metal: 5
  },
  metalFloor: {
    logs: 2,
    planks: 5,
    nails: 20,
    metal: 2
  },
  metalGate: {
    logs: 1,
    planks: 5,
    nails: 46,
    metal: 6
  },
  brickFoundation: {
    bricks: 5,
    mortar: 4
  },
  brickWall: {
    logs: 1,
    planks: 5,
    nails: 36,
    metal: 10,
    bricks: 4,
    mortar: 1
  },
  brickHalfWall: {
    logs: 1,
    planks: 3,
    nails: 8,
    bricks: 2,
    mortar: 1
  },
  brickWindow: {
    logs: 1,
    planks: 5,
    nails: 56,
    metal: 9,
    bricks: 3,
    mortar: 1
  },
  brickDoor: {
    logs: 1,
    planks: 5,
    nails: 36,
    metal: 5,
    bricks: 3,
    mortar: 1
  },
  brickRoof: {
    logs: 2,
    planks: 5,
    nails: 15,
    bricks: 2,
    mortar: 1
  },
  brickFloor: {
    logs: 2,
    planks: 5,
    nails: 16,
    bricks: 2,
    mortar: 1
  },
  brickFloorHatch: {
    logs: 2,
    planks: 5,
    nails: 40,
    metal: 5,
    bricks: 6,
    mortar: 3
  },
  brickStairs: {
    bricks: 5,
    mortar: 2
  },
  brickGate: {
    metal: 10,
    bricks: 6,
    mortar: 3
  }
};

const PLANKS_PER_LOG = 4;
const planksToLogs = totalPlanks => Math.ceil(totalPlanks / PLANKS_PER_LOG);
const valueMul = (obj, mul) => _.mapValues(obj, v => v * mul);
const sumObjectValues = x => _.sum(_.values(x));

const convertedInputs = _.mapValues(inputs, (value, key) =>
  valueMul(values[key], value)
);
const logs = sumObjectValues(
  _.mapValues(convertedInputs, x => planksToLogs(x.planks) + x.logs)
);
const planks = sumObjectValues(_.mapValues(convertedInputs, "planks"));
const nails = sumObjectValues(_.mapValues(convertedInputs, "nails"));
const metal = sumObjectValues(_.mapValues(convertedInputs, "metal"));
const stones = sumObjectValues(_.mapValues(convertedInputs, "stones"));
const mortar = sumObjectValues(_.mapValues(convertedInputs, "mortar"));
const bricks = sumObjectValues(_.mapValues(convertedInputs, "bricks"));

return {
  logsRequired: logs,
  planksRequired: planks,
  nailsRequired: nails,
  solidLogsRequired: Math.ceil(planks / 4),
  metalRequired: metal,
  stonesRequired: stones,
  mortarRequired: mortar,
  brickPilesRequired: bricks
};

https://jscalc.io/calc/XBIPsGtX8LI53wOn