- // For (wa)luigi effect:
- const changePieceColor = (color) => {
- let pieces = [];
- const oppLastRank = (color == 'w' ? 7 : 0);
- for (let i=0; i<8; i++) {
- for (let j=0; j<8; j++) {
- const piece = this.getPiece(i, j);
- if (
- (i != move.vanish[0].x || j != move.vanish[0].y) &&
- this.board[i][j] != V.EMPTY &&
- piece != V.INVISIBLE_QUEEN &&
- this.getColor(i, j) == color
- ) {
- if (piece != V.KING && (piece != V.PAWN || i != oppLastRank))
- pieces.push({ x: i, y: j, p: piece });
- }
- }
- }
- // Special case of the current piece (still at its initial position)
- if (color == color1)
- pieces.push({ x: move.appear[0].x, y: move.appear[0].y, p: piece1 });
- const cp = pieces[randInt(pieces.length)];
- if (move.appear[0].x != cp.x || move.appear[0].y != cp.y) {
- move.vanish.push(
- new PiPo({
- x: cp.x,
- y: cp.y,
- c: color,
- p: cp.p
- })
- );
- }
- else move.appear.shift();
- move.appear.push(
- new PiPo({
- x: cp.x,
- y: cp.y,
- c: V.GetOppCol(color),
- p: cp.p
- })
- );
- };
- const applyEggEffect = () => {
- if (this.subTurn == 2)
- // No egg effects at subTurn 2
- return;
- // 1) Determine the effect (some may be impossible)
- let effects = ["kingboo", "koopa", "chomp", "bowser", "daisy"];
- if (Object.values(this.captured[color1]).some(c => c >= 1))
- effects.push("toadette");
- const lastRank = { 'w': 0, 'b': 7 };
- if (
- this.board.some((b,i) =>
- b.some(cell => {
- return (
- cell[0] == oppCol &&
- cell[1] != V.KING &&
- (cell[1] != V.PAWN || i != lastRank[color1])
- );
- })
- )
- ) {
- effects.push("luigi");
- }
- if (
- (
- piece1 != V.KING &&
- (piece1 != V.PAWN || move.appear[0].x != lastRank[oppCol])
- ) ||
- this.board.some((b,i) =>
- b.some(cell => {
- return (
- cell[0] == color1 &&
- cell[1] != V.KING &&
- (cell[1] != V.PAWN || i != lastRank[oppCol])
- );
- })
- )
- ) {
- effects.push("waluigi");
- }
- const effect = effects[randInt(effects.length)];
- move.end.effect = effect;
- // 2) Apply it if possible
- if (!(["kingboo", "toadette", "daisy"].includes(effect))) {
- switch (effect) {
- case "koopa":
- move.appear = [];
- // Maybe egg effect was applied after others,
- // so just shift vanish array:
- move.vanish.shift();
- break;
- case "chomp":
- move.appear = [];
- break;
- case "bowser":
- move.appear[0].p = V.IMMOBILIZE_CODE[piece1];
- break;
- case "luigi":
- changePieceColor(oppCol);
- break;
- case "waluigi":
- changePieceColor(color1);
- break;
- }
- }
- };
- const applyMushroomEffect = () => {
- if ([V.PAWN, V.KING, V.KNIGHT].includes(piece1)) {
- // Just make another similar step, if possible (non-capturing)
- const [i, j] = [
- move.appear[0].x + (x2 - x1),
- move.appear[0].y + (y2 - y1)
- ];
- if (
- V.OnBoard(i, j) &&
- (
- this.board[i][j] == V.EMPTY ||
- this.getPiece(i, j) == V.INVISIBLE_QUEEN ||
- this.getColor(i, j) == 'a'
- )
- ) {
- move.appear[0].x = i;
- move.appear[0].y = j;
- if (this.board[i][j] != V.EMPTY) {
- const object = this.getPiece(i, j);
- const color = this.getColor(i, j);
- move.vanish.push(
- new PiPo({
- x: i,
- y: j,
- c: color,
- p: object
- })
- );
- switch (object) {
- case V.BANANA:
- case V.BOMB:
- const steps = V.steps[object == V.BANANA ? V.ROOK : V.BISHOP];
- move.next = this.getRandomSquare([i, j], steps);
- break;
- case V.EGG:
- applyEggEffect();
- break;
- case V.MUSHROOM:
- applyMushroomEffect();
- break;
- }
- }
- }
- }
- else {
- // Queen, bishop or rook:
- const step = [
- (x2 - x1) / Math.abs(x2 - x1) || 0,
- (y2 - y1) / Math.abs(y2 - y1) || 0
- ];
- const next = [move.appear[0].x + step[0], move.appear[0].y + step[1]];
- if (
- V.OnBoard(next[0], next[1]) &&
- this.board[next[0]][next[1]] != V.EMPTY &&
- this.getPiece(next[0], next[1]) != V.INVISIBLE_QUEEN &&
- this.getColor(next[0], next[1]) != 'a'
- ) {
- const afterNext = [next[0] + step[0], next[1] + step[1]];
- if (V.OnBoard(afterNext[0], afterNext[1])) {
- const afterColor = this.getColor(afterNext[0], afterNext[1]);
- if (
- this.board[afterNext[0]][afterNext[1]] == V.EMPTY ||
- afterColor == 'a'
- ) {
- move.appear[0].x = afterNext[0];
- move.appear[0].y = afterNext[1];
- if (this.board[afterNext[0]][afterNext[1]] != V.EMPTY) {
- // object = banana, bomb, mushroom or egg
- const object = this.getPiece(afterNext[0], afterNext[1]);
- move.vanish.push(
- new PiPo({
- x: afterNext[0],
- y: afterNext[1],
- c: afterColor,
- p: object
- })
- );
- switch (object) {
- case V.BANANA:
- case V.BOMB:
- const steps =
- V.steps[object == V.BANANA ? V.ROOK : V.BISHOP];
- move.next = this.getRandomSquare(
- [afterNext[0], afterNext[1]], steps);
- break;
- case V.EGG:
- applyEggEffect();
- break;
- case V.MUSHROOM:
- applyMushroomEffect();
- break;
- }
- }
- }
- }
- }
- }
- };
- const color2 = this.getColor(x2, y2);
- const piece2 = this.getPiece(x2, y2);
- if (color2 == 'a') {
- switch (piece2) {
- case V.BANANA:
- case V.BOMB:
- const steps = V.steps[piece2 == V.BANANA ? V.ROOK : V.BISHOP];
- move.next = this.getRandomSquare([x2, y2], steps);