All files / domain VirtualCubeFrame.res.mjs

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91.3% Branches 42/46
100% Functions 21/21
96.29% Lines 104/108

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// Generated by ReScript, PLEASE EDIT WITH CARE
 
import * as CubeNotation$WsteinRegripCore from "./CubeNotation.res.mjs";
 
let faceOrder = "URFDLB";
 
let positions = [
  0,
  1,
  2,
  3,
  4,
  5
];
 
let stickerPositions = [
  0,
  1,
  2,
  3,
  4,
  5,
  6,
  7,
  8
];
 
function charAt(value, index) {
  return value.substring(index, index + 1 | 0);
}
 
function faceIndex(face) {
  switch (face) {
    case "B" :
      return 5;
    case "D" :
      return 3;
    case "F" :
      return 2;
    case "L" :
      return 4;
    case "R" :
      return 1;
    case "U" :
      return 0;
    default:
      return -1;
  }
}
 
function normal(face) {
  switch (face) {
    case "D" :
      return {
        x: 0,
        y: -1,
        z: 0
      };
    case "F" :
      return {
        x: 0,
        y: 0,
        z: 1
      };
    case "L" :
      return {
        x: -1,
        y: 0,
        z: 0
      };
    case "R" :
      return {
        x: 1,
        y: 0,
        z: 0
      };
    case "U" :
      return {
        x: 0,
        y: 1,
        z: 0
      };
    default:
      return {
        x: 0,
        y: 0,
        z: -1
      };
  }
}
 
function geometry(face) {
  switch (face) {
    case "D" :
      return {
        normal: {
          x: 0,
          y: -1,
          z: 0
        },
        right: {
          x: 1,
          y: 0,
          z: 0
        },
        down: {
          x: 0,
          y: 0,
          z: -1
        }
      };
    case "F" :
      return {
        normal: {
          x: 0,
          y: 0,
          z: 1
        },
        right: {
          x: 1,
          y: 0,
          z: 0
        },
        down: {
          x: 0,
          y: -1,
          z: 0
        }
      };
    case "L" :
      return {
        normal: {
          x: -1,
          y: 0,
          z: 0
        },
        right: {
          x: 0,
          y: 0,
          z: 1
        },
        down: {
          x: 0,
          y: -1,
          z: 0
        }
      };
    case "R" :
      return {
        normal: {
          x: 1,
          y: 0,
          z: 0
        },
        right: {
          x: 0,
          y: 0,
          z: -1
        },
        down: {
          x: 0,
          y: -1,
          z: 0
        }
      };
    case "U" :
      return {
        normal: {
          x: 0,
          y: 1,
          z: 0
        },
        right: {
          x: 1,
          y: 0,
          z: 0
        },
        down: {
          x: 0,
          y: 0,
          z: 1
        }
      };
    default:
      return {
        normal: {
          x: 0,
          y: 0,
          z: -1
        },
        right: {
          x: -1,
          y: 0,
          z: 0
        },
        down: {
          x: 0,
          y: -1,
          z: 0
        }
      };
  }
}
 
function dot(left, right) {
  return ((left.x * right.x | 0) + (left.y * right.y | 0) | 0) + (left.z * right.z | 0) | 0;
}
 
function faceForNormal(direction) {
  let index = positions.find(index => {
    let face = charAt(faceOrder, index);
    return dot(geometry(face).normal, direction) === 1;
  });
  if (index !== undefined) {
    return charAt(faceOrder, index);
  } else E{
    return "";
  }
}
 
function make() {
  return {
    solverToBody: faceOrder
  };
}
 
function reset(_frame) {
  return make();
}
 
function applyRegrip(frame, notationToken) {
  let step = CubeNotation$WsteinRegripCore.faceOrderForTurn(notationToken);
  let solverToBody = positions.map(index => {
    let physicalAtLogical = charAt(frame.solverToBody, index);
    return charAt(step, faceIndex(physicalAtLogical));
  }).join("");
  return {
    solverToBody: solverToBody
  };
}
 
function translate(frame, move) {
  if (move.length === 0) {
    return move;
  }
  let bodyFace = charAt(move, 0);
  let logicalIndex = positions.find(index => charAt(frame.solverToBody, index) === bodyFace);
  if (logicalIndex !== undefined) {
    return charAt(faceOrder, logicalIndex) + move.substring(1, move.length);
  } else {
    return move;
  }
}
 
function orientation(frame) {
  let rightFace = charAt(frame.solverToBody, 1);
  let upFace = charAt(frame.solverToBody, 0);
  let frontFace = charAt(frame.solverToBody, 2);
  return {
    right: normal(rightFace),
    up: normal(upFace),
    front: normal(frontFace),
    rightFace: rightFace,
    upFace: upFace,
    frontFace: frontFace
  };
}
 
function solverFaceForBody(frame, bodyFace) {
  let index = positions.find(index => charAt(frame.solverToBody, index) === bodyFace);
  if (index !== undefined) {
    return charAt(faceOrder, index);
  } else {
    return bodyFace;
  }
}
 
function solverToken(frame, bodyToken) {
  let match;
  switch (bodyToken) {
    case "x" :
      match = [
        "R",
        false
      ];
      break;
    case "x'" :
      match = [
        "L",
        false
      ];
      break;
    case "x2" :
      match = [
        "R",
        true
      ];
      break;
    case "y" :
      match = [
        "U",
        false
      ];
      break;
    case "y'" :
      match = [
        "D",
        false
      ];
      break;
    case "y2" :
      match = [
        "U",
        true
      ];
      break;
    case "z" :
      match = [
        "F",
        false
      ];
      break;
    case "z'" :
      match = [
        "B",
        false
      ];
      break;
    case "z2" :
      match = [
        "F",
        true
      ];
      break;
  }
  let solverFace = solverFaceForBody(frame, match[0]);
  let match$1;
  switch (solverFace) {
    case "D" :
      match$1 = [
        "y",
        "'"
      ];
      break;
    case "F" :
      match$1 = [
        "z",
        ""
      ];
      break;
    case "L" :
      match$1 = [
        "x",
        "'"
      ];
      break;
    case "R" :
      match$1 = [
        "x",
        ""
      ];
      break;
    case "U" :
      match$1 = [
        "y",
        ""
      ];
      break;
    default:
      match$1 = [
        "z",
        "'"
      ];
  }
  return CubeNotation$WsteinRegripCore.token(match$1[0], match[1] ? "2" : match$1[1]);
}
 
function reframeFacelets(frame, facelets) {
  if (facelets.length !== 54) {
    return facelets;
  }
  let frameOrientation = orientation(frame);
  let physicalX = geometry(frameOrientation.rightFace).normal;
  let physicalY = geometry(frameOrientation.upFace).normal;
  let physicalZ = geometry(frameOrientation.frontFace).normal;
  let rotate = direction => ({
    x: ((direction.x * physicalX.x | 0) + (direction.y * physicalY.x | 0) | 0) + (direction.z * physicalZ.x | 0) | 0,
    y: ((direction.x * physicalX.y | 0) + (direction.y * physicalY.y | 0) | 0) + (direction.z * physicalZ.y | 0) | 0,
    z: ((direction.x * physicalX.z | 0) + (direction.y * physicalY.z | 0) | 0) + (direction.z * physicalZ.z | 0) | 0
  });
  return positions.map(logicalIndex => {
    let logical = geometry(charAt(faceOrder, logicalIndex));
    let bodyFace = faceForNormal(rotate(logical.normal));
    let physical = geometry(bodyFace);
    let rotatedRight = rotate(logical.right);
    let rotatedDown = rotate(logical.down);
    return stickerPositions.map(stickerIndex => {
      let row = (stickerIndex / 3 | 0) - 1 | 0;
      let column = stickerIndex % 3 - 1 | 0;
      let physicalRow = ((column * dot(rotatedRight, physical.down) | 0) + (row * dot(rotatedDown, physical.down) | 0) | 0) + 1 | 0;
      let physicalColumn = ((column * dot(rotatedRight, physical.right) | 0) + (row * dot(rotatedDown, physical.right) | 0) | 0) + 1 | 0;
      let rawIndex = ((faceIndex(bodyFace) * 9 | 0) + (physicalRow * 3 | 0) | 0) + physicalColumn | 0;
      return solverFaceForBody(frame, charAt(facelets, rawIndex));
    }).join("");
  }).join("");
}
 
export {
  make,
  reset,
  applyRegrip,
  translate,
  orientation,
  solverFaceForBody,
  solverToken,
  reframeFacelets,
}
/* No side effect */