354 lines
7.3 KiB
JavaScript
354 lines
7.3 KiB
JavaScript
// 该js文件中的函数主要是用于控制棋子路径，使其符合象棋的游戏规则，如马走日，象走田等。
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// 设置小兵的路径规则
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function binMove(tmap, c, y, x) {
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//0红 1黑
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var w;
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var h = 0;
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if (c == 0) {
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w = y < 5;
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h = -1;
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} else {
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w = y > 4;
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h = 1;
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}
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if (w) {
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if (y + h >= 0 && y + h < map.length) {
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var t1 = [];
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t1[0] = y + h;
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t1[1] = x;
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tmap.push(t1);
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}
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var t2 = [];
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var t3 = [];
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t2[0] = y;
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t3[0] = y;
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t2[1] = x - 1;
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t3[1] = x + 1;
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tmap.push(t2);
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tmap.push(t3);
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} else {
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var t = [];
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t[0] = y + h;
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t[1] = x;
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tmap.push(t);
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}
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}
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// 设置炮直线和竖线移动
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function paoMove(tmap, c, y, x) {
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paoMove_(tmap, 0, c, y, x);
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paoMove_(tmap, 1, c, y, x);
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paoMove_(tmap, 2, c, y, x);
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paoMove_(tmap, 3, c, y, x);
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}
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// 设置炮隔子移动
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function paoMove_(tmap, d, c, y, x) {
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//0上1左2下3右
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var q = y,
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w = x,
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qi = 0,
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wi = 0,
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ci = 0; //ci:0红 1黑
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if (c == 0) {
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ci = 1;
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} else {
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ci = -1;
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}
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var cc;
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switch (d) {
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case 0:
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cc = function (q) {
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return q >= 0;
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};
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qi = -1;
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break;
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case 1:
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cc = function (q, w) {
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return w >= 0;
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};
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wi = -1;
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break;
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case 2:
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cc = function (q) {
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return q < map.length;
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};
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qi = 1;
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break;
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case 3:
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cc = function (q, w) {
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return w < map.length;
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};
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wi = 1;
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break;
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}
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var ce = false;
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while (true) {
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if (!cc(q, w)) break;
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if (q == y && w == x) {
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q += qi;
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w += wi;
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continue;
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}
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if (map[q][w] == 0) {
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if (!ce) {
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var t = [];
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t[0] = q;
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t[1] = w;
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tmap.push(t);
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}
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} else {
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if (ce) {
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if (map[q][w] * ci < 0) {
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var t = [];
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t[0] = q;
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t[1] = w;
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tmap.push(t);
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ce = false;
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break;
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}
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}
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ce = true;
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}
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q += qi;
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w += wi;
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}
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}
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// 设置车的路径规则
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function juMove(tmap, c, y, x) {
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for (var q = y; q >= 0; q--) {
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if (q == y) continue;
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if (!fastMove(tmap, c, q, x)) break;
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}
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for (var q = x; q >= 0; q--) {
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if (q == x) continue;
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if (!fastMove(tmap, c, y, q)) break;
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}
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for (var q = y; q < map.length; q++) {
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if (q == y) continue;
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if (!fastMove(tmap, c, q, x)) break;
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}
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for (var q = x; q < map.length; q++) {
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if (q == x) continue;
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if (!fastMove(tmap, c, y, q)) break;
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}
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}
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// 设置车的水平和垂直移动
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function fastMove(tmap, c, y, x) {
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//c:0红 1黑
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var ci = 0;
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if (c == 0) {
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ci = 1;
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} else {
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ci = -1;
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}
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if (map[y][x] == 0) {
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var t = [];
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t[0] = y;
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t[1] = x;
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tmap.push(t);
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return true;
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} else {
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if (map[y][x] * ci < 0) {
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var t = [];
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t[0] = y;
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t[1] = x;
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tmap.push(t);
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}
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return false;
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}
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}
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// 设置马的路径规则
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function maMove(tmap, c, y, x) {
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function fastMa(tmap, y, x, ys, xs, c) {
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if (
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y + ys < map.length &&
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y + ys >= 0 &&
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x + xs < map.length &&
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x + xs >= 0
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)
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if (map[y + ys][x + xs] == 0) {
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var yz = 0,
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xz = 0;
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if (ys == 0) {
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yz = -1;
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} else {
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xz = -1;
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}
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if (
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y + ys + ys - yz < map.length &&
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y + ys + ys - yz >= 0 &&
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x + xs + xs - xz < map.length &&
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x + xs + xs - xz >= 0
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)
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if (map[y + ys + ys - yz][x + xs + xs - xz] * c <= 0) {
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var t = [];
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t[0] = y + ys + ys - yz;
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t[1] = x + xs + xs - xz;
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tmap.push(t);
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}
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if (
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y + ys + ys + yz < map.length &&
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y + ys + ys + yz >= 0 &&
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x + xs + xs + xz < map.length &&
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x + xs + xs + xz >= 0
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)
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if (map[y + ys + ys + yz][x + xs + xs + xz] * c <= 0) {
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var t1 = [];
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t1[0] = y + ys + ys + yz;
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t1[1] = x + xs + xs + xz;
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tmap.push(t1);
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}
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}
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}
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var cc = 0;
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if (c == 0) {
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cc = 1;
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} else {
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cc = -1;
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}
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fastMa(tmap, y, x, -1, 0, cc);
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fastMa(tmap, y, x, 1, 0, cc);
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fastMa(tmap, y, x, 0, -1, cc);
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fastMa(tmap, y, x, 0, 1, cc);
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}
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// 设置象的路径规则
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function xiangMove(tmap, c, y, x) {
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//c:0红 1黑
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function fastXiang(tmap, y, x, yy, xx, c, cy) {
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if (
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y + yy * 2 < map.length &&
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y + yy * 2 >= 0 &&
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x + xx * 2 < map.length &&
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x + xx * 2 >= 0
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) {
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if (cy(y + yy * 2))
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if (map[y + yy][x + xx] == 0) {
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if (map[y + yy * 2][x + xx * 2] * c <= 0) {
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var t = [];
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t[0] = y + yy * 2;
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t[1] = x + xx * 2;
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tmap.push(t);
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}
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}
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}
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}
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var cc = 0;
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if (c == 0) {
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cc = 1;
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} else {
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cc = -1;
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}
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var ch;
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if (c == 0) {
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ch = function (y) {
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return y > 4;
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};
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} else {
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ch = function (y) {
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return y < 5;
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};
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}
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fastXiang(tmap, y, x, 1, 1, cc, ch);
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fastXiang(tmap, y, x, 1, -1, cc, ch);
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fastXiang(tmap, y, x, -1, 1, cc, ch);
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fastXiang(tmap, y, x, -1, -1, cc, ch);
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}
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// 设置士的路径规则
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function shiMove(tmap, c, y, x) {
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//c:0红 1黑
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function fastShi(tmap, y, x, yy, xx, c, cc) {
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if (cc(y + yy)) {
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if (x + xx >= 3 && x + xx <= 5) {
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if (map[y + yy][x + xx] * c <= 0) {
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var t = [];
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t[0] = y + yy;
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t[1] = x + xx;
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tmap.push(t);
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}
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}
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}
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}
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var cf;
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var cc = 0;
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if (c == 0) {
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cc = 1;
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cf = function (y) {
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return y >= 7 && y <= 9;
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};
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} else {
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cf = function (y) {
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return y >= 0 && y <= 2;
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};
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cc = -1;
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}
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fastShi(tmap, y, x, 1, 1, cc, cf);
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fastShi(tmap, y, x, -1, 1, cc, cf);
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fastShi(tmap, y, x, 1, -1, cc, cf);
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fastShi(tmap, y, x, -1, -1, cc, cf);
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}
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// 设置将和帅的路径规则
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function JSMove(tmap, c, y, x) {
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function fastJS(tmap, y, x, yy, xx, c, cc) {
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if (cc(y + yy)) {
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if (x + xx >= 3 && x + xx <= 5) {
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if (map[y + yy][x + xx] * c <= 0) {
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var t = [];
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t[0] = y + yy;
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t[1] = x + xx;
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tmap.push(t);
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}
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}
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}
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}
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var cf;
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var cc = 0;
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if (c == 0) {
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cc = 1;
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cf = function (y) {
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return y >= 7 && y <= 9;
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};
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} else {
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cf = function (y) {
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return y >= 0 && y <= 2;
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};
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cc = -1;
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}
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fastJS(tmap, y, x, 1, 0, cc, cf);
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fastJS(tmap, y, x, -1, 0, cc, cf);
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fastJS(tmap, y, x, 0, -1, cc, cf);
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fastJS(tmap, y, x, 0, 1, cc, cf);
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if (c == 0) {
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for (var q = y - 1; q < map.length && q >= 0; q--) {
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if (map[q][x] == 0) {
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continue;
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}
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if (map[q][x] == -7) {
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var t = [];
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t[0] = q;
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t[1] = x;
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tmap.push(t);
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} else break;
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}
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} else {
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for (var q = y + 1; q < map.length && q >= 0; q++) {
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if (map[q][x] == 0) {
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continue;
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}
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if (map[q][x] == 7) {
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var t = [];
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t[0] = q;
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t[1] = x;
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tmap.push(t);
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} else break;
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}
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}
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}
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