+import { Teleport1Rules } from "@/variants/Teleport1";
+
+export class Teleport2Rules extends Teleport1Rules {
+
+ canTake([x1, y1], [x2, y2]) {
+ // Cannot teleport king:
+ return (this.subTurn == 1 && this.getPiece(x2, y2) != V.KING);
+ }
+
+ underCheck(color) {
+ // Standard method:
+ return this.isAttacked(this.kingPos[color], V.GetOppCol(color));
+ }
+
+ postPlay(move) {
+ if (move.vaish.length > 0) {
+ // Standard method:
+ if (move.appear[0].p == V.KING)
+ this.kingPos[move.appear[0].c] = [move.appear[0].x, move.appear[0].y];
+ this.updateCastleFlags(move);
+ }
+ }
+
+ updateCastleFlags(move) {
+ // Standard method: TODO = find a better way... (not rewriting)
+ const c = color || V.GetOppCol(this.turn);
+ const firstRank = (c == "w" ? V.size.x - 1 : 0);
+ const oppCol = this.turn;
+ const oppFirstRank = V.size.x - 1 - firstRank;
+ if (piece == V.KING && move.appear.length > 0)
+ this.castleFlags[c] = [V.size.y, V.size.y];
+ else if (
+ move.start.x == firstRank &&
+ this.castleFlags[c].includes(move.start.y)
+ ) {
+ const flagIdx = (move.start.y == this.castleFlags[c][0] ? 0 : 1);
+ this.castleFlags[c][flagIdx] = V.size.y;
+ }
+ if (
+ move.end.x == oppFirstRank &&
+ this.castleFlags[oppCol].includes(move.end.y)
+ ) {
+ const flagIdx = (move.end.y == this.castleFlags[oppCol][0] ? 0 : 1);
+ this.castleFlags[oppCol][flagIdx] = V.size.y;
+ }
+ }
+
+ postUndo(move) {
+ if (move.vanish.length > 0) {
+ // Standard method:
+ const c = this.getColor(move.start.x, move.start.y);
+ if (this.getPiece(move.start.x, move.start.y) == V.KING)
+ this.kingPos[c] = [move.start.x, move.start.y];
+ }
+ }
+
+};
projects / vchess.git / commitdiff