2048-js-ai: board.js@a9a44cfc3e08 (annotated)

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board.js

author	Oleksandr Gavenko <gavenkoa@gmail.com>
	Sun, 07 Sep 2014 03:33:33 +0300
changeset 12	a9a44cfc3e08
parent 9	961eff57a23f
child 14	9b49e710f5a7
permissions	-rw-r--r--

Moves for 2d array board + test toolkit.

6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	1
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	2	////////////////////////////////////////////////////////////////
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	3	// Board as linear array.
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	4	////////////////////////////////////////////////////////////////
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	5
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	6	/* Create board on linear array.
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	7	* Extract data from 'brd' (which is 2d array) if present. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	8	function BoardArr(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	9	this.brd = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	10	if (brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	11	for (var i = 0; i < 4; i++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	12	for (var j = 0; j < 4; j++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	13	this.brd[4*i + j] = brd[i][j];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	14	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	15	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	16	/* Doesn't designed to be efficient. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	17	BoardArr.prototype.get = function(i, j) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	18	return this.brd[4*i + j];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	19	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	20	/* Doesn't designed to be efficient. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	21	BoardArr.prototype.set = function(i, j, val) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	22	this.brd[4*i + j] = val;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	23	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	24	/* Return and optionally fill 2d board.
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	25	* Doesn't designed to be efficient. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	26	BoardArr.prototype.exportTo = function(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	27	brd = brd \|\| [[],[],[],[]];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	28	for (var i = 0; i < 4; i++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	29	for (var j = 0; j < 4; j++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	30	brd[i][j] = this.brd[4*i + j];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	31	return brd;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	32	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	33	BoardArr.prototype.copy = function(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	34	brd = brd \|\| new BoardArr();
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	35	for (var i = 0; i < 16; i++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	36	brd.brd[i] = this.brd[i];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	37	return brd;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	38	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	39
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	40
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	41
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	42	////////////////////////////////////////////////////////////////
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	43	// Board as 2d array.
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	44	////////////////////////////////////////////////////////////////
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	45
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	46	/* Create board on 2d array.
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	47	* Extract data from brd (which is 2d array) if present. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	48	function BoardArr2d(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	49	this.brd = [[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0]];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	50	if (brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	51	for (var i = 0; i < 4; i++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	52	for (var j = 0; j < 4; j++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	53	this.brd[i][j] = brd[i][j];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	54	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	55	}
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	56	BoardArr2d.prototype.get = function(i, j) {
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	57	return this.brd[i][j];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	58	}
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	59	BoardArr2d.prototype.set = function(i, j, val) {
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	60	this.brd[i][j] = val;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	61	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	62	/* Return and optionally fill 2d board. */
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	63	BoardArr2d.prototype.exportTo = function(brd) {
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	64	brd = brd \|\| [[],[],[],[]];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	65	for (var i = 0; i < 4; i++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	66	for (var j = 0; j < 4; j++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	67	brd[i][j] = this.brd[i][j];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	68	return brd;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	69	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	70	BoardArr2d.prototype.copy = function(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	71	brd = brd \|\| new BoardArr2d();
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	72	for (var i = 0; i < 4; i++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	73	for (var j = 0; j < 4; j++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	74	brd.brd[i][j] = this.brd[i][j];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	75	return brd;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	76	}
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	77	BoardArr2d.prototype.score = function() {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	78	var score = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	79	for (var i = 0; i < 4; i++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	80	for (var j = 0; j < 4; j++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	81	var v = this.brd[i][j];
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	82	if (v > 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	83	score += (v-1)*Math.pow(2, v);
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	84	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	85	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	86	return score;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	87	}
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	88
9 961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	89	BoardArr2d.prototype.canRight = function() {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	90	for (var i = 0; i < 4; i++) {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	91	var f0 = this.brd[i][0], f1 = this.brd[i][1], f2 = this.brd[i][2], f3 = this.brd[i][3];
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	92	if (f2 > 0 && (f2 === f3 \|\| f3 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	93	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	94	if (f1 > 0 && (f1 === f2 \|\| f2 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	95	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	96	if (f0 > 0 && (f0 === f1 \|\| f1 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	97	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	98	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	99	return false;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	100	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	101	BoardArr2d.prototype.canLeft = function() {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	102	for (var i = 0; i < 4; i++) {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	103	var f0 = this.brd[i][0], f1 = this.brd[i][1], f2 = this.brd[i][2], f3 = this.brd[i][3];
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	104	if (f1 > 0 && (f1 === f0 \|\| f0 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	105	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	106	if (f2 > 0 && (f2 === f1 \|\| f1 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	107	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	108	if (f3 > 0 && (f3 === f2 \|\| f2 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	109	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	110	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	111	return false;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	112	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	113	BoardArr2d.prototype.canUp = function() {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	114	for (var j = 0; j < 4; j++) {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	115	var f0 = this.brd[0][j], f1 = this.brd[1][j], f2 = this.brd[2][j], f3 = this.brd[3][j];
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	116	if (f1 > 0 && (f1 === f0 \|\| f0 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	117	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	118	if (f2 > 0 && (f2 === f1 \|\| f1 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	119	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	120	if (f3 > 0 && (f3 === f2 \|\| f2 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	121	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	122	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	123	return false;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	124	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	125	BoardArr2d.prototype.canDown = function() {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	126	for (var j = 0; j < 4; j++) {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	127	var f0 = this.brd[0][j], f1 = this.brd[1][j], f2 = this.brd[2][j], f3 = this.brd[3][j];
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	128	if (f2 > 0 && (f2 === f3 \|\| f3 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	129	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	130	if (f1 > 0 && (f1 === f2 \|\| f2 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	131	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	132	if (f0 > 0 && (f0 === f1 \|\| f1 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	133	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	134	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	135	return false;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	136	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	137
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	138	BoardArr2d.prototype.shiftLeft_unrolled = function(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	139	var from = this.brd, to = brd.brd;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	140	for (var i = 3; i >= 0; i--) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	141	var f0 = from[i][0], f1 = from[i][1], f2 = from[i][2], f3 = from[i][3];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	142	if (f3 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	143	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	144	if (f2 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	145	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	146	if (f1 === 0) { // a 0 0 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	147	to[i][2] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	148	to[i][3] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	149	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	150	if (f0 === f1) { // a a 0 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	151	to[i][2] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	152	to[i][3] = f0 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	153	} else { // a b 0 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	154	to[i][2] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	155	to[i][3] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	156	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	157	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	158	} else { // f2 !== 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	159	if (f1 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	160	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	161	if (f0 === f2) { // a 0 a 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	162	to[i][3] = f2 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	163	to[i][2] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	164	} else { // a 0 b 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	165	to[i][3] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	166	to[i][2] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	167	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	168	} else { // f1 !== 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	169	if (f1 === f2) { // a b b 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	170	to[i][3] = f2 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	171	to[i][2] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	172	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	173	} else { // f1 !== f2
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	174	to[i][3] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	175	if (f0 === f1) { // a a b 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	176	to[i][2] = f1 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	177	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	178	} else { // a b c 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	179	to[i][2] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	180	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	181	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	182	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	183	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	184	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	185	} else { // f3 !== 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	186	if (f2 === f3) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	187	to[i][3] = f2 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	188	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	189	if (f1 === 0) { // a 0 b b
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	190	to[i][2] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	191	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	192	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	193	if (f0 === f1) { // a a b b
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	194	to[i][2] = f1 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	195	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	196	} else { // a b c c
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	197	to[i][2] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	198	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	199	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	200	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	201	} else { // f2 !== f3
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	202	to[i][3] = f3;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	203	if (f2 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	204	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	205	if (f1 === 0) { // a 0 0 b
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	206	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	207	to[i][2] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	208	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	209	if (f0 === f1) { // a a 0 b
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	210	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	211	to[i][2] = f1 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	212	} else { // a b 0 c
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	213	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	214	to[i][2] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	215	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	216	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	217	} else { // f2 !== 0 && f2 !== f3
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	218	if (f1 === 0) { // a 0 b c
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	219	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	220	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	221	to[i][2] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	222	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	223	if (f0 === f1) { // a a b c
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	224	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	225	to[i][1] = f1 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	226	to[i][2] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	227	} else { // a b c d
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	228	to[i][0] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	229	to[i][1] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	230	to[i][2] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	231	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	232	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	233	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	234	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	235	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	236	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	237	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	238
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	239	BoardArr2d.prototype.shiftRight_mostly_unrolled = function(brd) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	240	var updated = false;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	241	var from = this.brd, to = brd.brd;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	242	for (var i = 0; i < 4; i++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	243	var moved = true;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	244	var f0 = from[i][0], f1 = from[i][1], f2 = from[i][2], f3 = from[i][3];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	245	if (f3 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	246	if (f2 === 0) {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	247	if (f1 === 0) { // a 0 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	248	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	249	moved = false;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	250	f3 = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	251	f2 = 0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	252	} else { // a b 0 0
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	253	f3 = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	254	f2 = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	255	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	256	f1 = 0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	257	} else { // f2 !== 0 && f3 === 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	258	if (f1 === 0) { // a 0 b 0
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	259	f3 = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	260	f2 = f0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	261	} else { // a b c 0
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	262	f3 = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	263	f2 = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	264	f1 = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	265	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	266	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	267	f0 = 0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	268	} else { // f3 !== 0
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	269	if (f2 === 0) {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	270	if (f1 === 0) { // a 0 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	271	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	272	moved = false;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	273	f2 = f0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	274	} else { // a b 0 c
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	275	f2 = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	276	f1 = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	277	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	278	f0 = 0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	279	} else { // f2 !== 0 && f3 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	280	if (f1 === 0) { // a 0 b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	281	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	282	moved = false;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	283	f1 = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	284	f0 = 0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	285	} else { // else: a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	286	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	287	}
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	288	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	289	}
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	290	updated = updated \|\| moved;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	291	if (f2 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	292	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	293	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	294	to[i][2] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	295	to[i][3] = f3;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	296	continue;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	297	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	298	if (f1 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	299	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	300	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	301	if (f2 === f3) {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	302	updated = true;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	303	to[i][2] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	304	to[i][3] = f3 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	305	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	306	to[i][2] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	307	to[i][3] = f3;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	308	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	309	continue;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	310	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	311	if (f2 === f3) {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	312	updated = true;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	313	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	314	to[i][3] = f3 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	315	if (f0 === f1) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	316	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	317	to[i][2] = f1 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	318	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	319	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	320	to[i][2] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	321	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	322	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	323	to[i][3] = f3;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	324	if (f1 === f2) {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	325	updated = true;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	326	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	327	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	328	to[i][2] = f2 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	329	} else {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	330	if (f0 === f1) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	331	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	332	to[i][0] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	333	to[i][1] = f1+1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	334	to[i][2] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	335	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	336	to[i][0] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	337	to[i][1] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	338	to[i][2] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	339	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	340	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	341	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	342	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	343	return updated;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	344	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	345	BoardArr2d.prototype.shiftDown_mostly_unrolled = function(brd) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	346	var updated = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	347	var from = this.brd, to = brd.brd;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	348	for (var j = 0; j < 4; j++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	349	var moved = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	350	var f0 = from[0][j], f1 = from[1][j], f2 = from[2][j], f3 = from[3][j];
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	351	if (f3 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	352	if (f2 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	353	if (f1 === 0) { // a 0 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	354	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	355	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	356	f3 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	357	f2 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	358	} else { // a b 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	359	f3 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	360	f2 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	361	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	362	f1 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	363	} else { // f2 !== 0 && f3 === 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	364	if (f1 === 0) { // a 0 b 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	365	f3 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	366	f2 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	367	} else { // a b c 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	368	f3 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	369	f2 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	370	f1 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	371	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	372	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	373	f0 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	374	} else { // f3 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	375	if (f2 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	376	if (f1 === 0) { // a 0 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	377	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	378	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	379	f2 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	380	} else { // a b 0 c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	381	f2 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	382	f1 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	383	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	384	f0 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	385	} else { // f2 !== 0 && f3 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	386	if (f1 === 0) { // a 0 b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	387	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	388	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	389	f1 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	390	f0 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	391	} else { // else: a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	392	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	393	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	394	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	395	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	396	updated = updated \|\| moved;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	397	if (f2 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	398	to[0][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	399	to[1][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	400	to[2][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	401	to[3][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	402	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	403	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	404	if (f1 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	405	to[0][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	406	to[1][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	407	if (f2 === f3) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	408	to[2][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	409	to[3][j] = f3 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	410	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	411	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	412	to[2][j] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	413	to[3][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	414	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	415	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	416	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	417	if (f2 === f3) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	418	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	419	to[0][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	420	to[3][j] = f3 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	421	if (f0 === f1) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	422	to[1][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	423	to[2][j] = f1 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	424	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	425	to[1][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	426	to[2][j] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	427	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	428	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	429	to[3][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	430	if (f1 === f2) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	431	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	432	to[0][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	433	to[1][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	434	to[2][j] = f2 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	435	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	436	if (f0 === f1) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	437	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	438	to[0][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	439	to[1][j] = f1+1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	440	to[2][j] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	441	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	442	to[0][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	443	to[1][j] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	444	to[2][j] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	445	}
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	446	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	447	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	448	}
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	449	return updated;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	450	}
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	451	BoardArr2d.prototype.shiftLeft_mostly_unrolled = function(brd) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	452	var updated = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	453	var from = this.brd, to = brd.brd;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	454	for (var i = 0; i < 4; i++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	455	var moved = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	456	var f0 = from[i][0], f1 = from[i][1], f2 = from[i][2], f3 = from[i][3];
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	457	if (f0 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	458	if (f1 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	459	if (f2 === 0) { // 0 0 0 a
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	460	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	461	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	462	f0 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	463	f1 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	464	} else { // 0 0 a b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	465	f0 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	466	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	467	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	468	f2 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	469	} else { // f1 !== 0 && f0 === 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	470	if (f2 === 0) { // 0 a 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	471	f0 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	472	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	473	} else { // 0 a b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	474	f0 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	475	f1 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	476	f2 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	477	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	478	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	479	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	480	} else { // f0 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	481	if (f1 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	482	if (f2 === 0) { // a 0 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	483	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	484	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	485	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	486	} else { // a 0 b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	487	f1 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	488	f2 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	489	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	490	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	491	} else { // f1 !== 0 && f0 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	492	if (f2 === 0) { // a b 0 c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	493	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	494	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	495	f2 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	496	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	497	} else { // else: a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	498	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	499	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	500	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	501	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	502	updated = updated \|\| moved;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	503	if (f1 === 0) { // a 0 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	504	to[i][3] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	505	to[i][2] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	506	to[i][1] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	507	to[i][0] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	508	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	509	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	510	if (f2 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	511	to[i][3] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	512	to[i][2] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	513	if (f1 === f0) { // a a 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	514	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	515	to[i][1] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	516	to[i][0] = f0 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	517	} else { // a b 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	518	to[i][1] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	519	to[i][0] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	520	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	521	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	522	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	523	if (f1 === f0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	524	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	525	to[i][3] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	526	to[i][0] = f0 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	527	if (f3 === f2) { // a a b b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	528	to[i][2] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	529	to[i][1] = f2 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	530	} else { // a a b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	531	to[i][2] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	532	to[i][1] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	533	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	534	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	535	to[i][0] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	536	if (f2 === f1) { // a b b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	537	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	538	to[i][3] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	539	to[i][2] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	540	to[i][1] = f1 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	541	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	542	to[i][1] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	543	if (f2 === f3) { // a b c c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	544	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	545	to[i][3] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	546	to[i][2] = f2+1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	547	} else { // a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	548	to[i][3] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	549	to[i][2] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	550	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	551	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	552	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	553	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	554	return updated;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	555	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	556	BoardArr2d.prototype.shiftUp_mostly_unrolled = function(brd) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	557	var updated = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	558	var from = this.brd, to = brd.brd;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	559	for (var j = 0; j < 4; j++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	560	var moved = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	561	var f0 = from[0][j], f1 = from[1][j], f2 = from[2][j], f3 = from[3][j];
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	562	if (f0 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	563	if (f1 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	564	if (f2 === 0) { // 0 0 0 a
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	565	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	566	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	567	f0 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	568	f1 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	569	} else { // 0 0 a b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	570	f0 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	571	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	572	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	573	f2 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	574	} else { // f1 !== 0 && f0 === 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	575	if (f2 === 0) { // 0 a 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	576	f0 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	577	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	578	} else { // 0 a b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	579	f0 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	580	f1 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	581	f2 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	582	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	583	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	584	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	585	} else { // f0 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	586	if (f1 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	587	if (f2 === 0) { // a 0 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	588	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	589	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	590	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	591	} else { // a 0 b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	592	f1 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	593	f2 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	594	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	595	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	596	} else { // f1 !== 0 && f0 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	597	if (f2 === 0) { // a b 0 c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	598	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	599	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	600	f2 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	601	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	602	} else { // else: a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	603	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	604	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	605	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	606	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	607	updated = updated \|\| moved;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	608	if (f1 === 0) { // a 0 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	609	to[3][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	610	to[2][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	611	to[1][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	612	to[0][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	613	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	614	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	615	if (f2 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	616	to[3][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	617	to[2][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	618	if (f1 === f0) { // a a 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	619	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	620	to[1][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	621	to[0][j] = f0 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	622	} else { // a b 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	623	to[1][j] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	624	to[0][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	625	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	626	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	627	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	628	if (f1 === f0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	629	to[3][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	630	to[0][j] = f0 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	631	if (f3 === f2) { // a a b b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	632	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	633	to[2][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	634	to[1][j] = f2 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	635	} else { // a a b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	636	to[2][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	637	to[1][j] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	638	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	639	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	640	to[0][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	641	if (f2 === f1) { // a b b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	642	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	643	to[3][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	644	to[2][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	645	to[1][j] = f1 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	646	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	647	to[1][j] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	648	if (f2 === f3) { // a b c c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	649	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	650	to[3][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	651	to[2][j] = f2+1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	652	} else { // a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	653	to[3][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	654	to[2][j] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	655	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	656	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	657	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	658	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	659	return updated;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	660	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	661
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	662	BoardArr2d.prototype.left = BoardArr2d.prototype.shiftLeft_mostly_unrolled;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	663	BoardArr2d.prototype.right = BoardArr2d.prototype.shiftRight_mostly_unrolled;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	664	BoardArr2d.prototype.up = BoardArr2d.prototype.shiftUp_mostly_unrolled;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	665	BoardArr2d.prototype.down = BoardArr2d.prototype.shiftDown_mostly_unrolled;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	666
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	667
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	668
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	669	////////////////////////////////////////////////////////////////
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	670	// Board as properties.
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	671	////////////////////////////////////////////////////////////////
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	672
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	673	/* Create board as properties of object.
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	674	* Extract data from 'brd' (which is 2d array) if present. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	675	function BoardObj(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	676	if (brd)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	677	this.brd = { aa: brd[0][0], ab: brd[0][1], ac: brd[0][2], ad: brd[0][3],
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	678	ba: brd[1][0], bb: brd[1][1], bc: brd[1][2], bd: brd[1][3],
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	679	ca: brd[2][0], cb: brd[2][1], cc: brd[2][2], cd: brd[2][3],
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	680	da: brd[3][0], db: brd[3][1], dc: brd[3][2], dd: brd[3][3] };
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	681	else
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	682	this.brd = { aa: 0, ab: 0, ac: 0, ad: 0,
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	683	ba: 0, bb: 0, bc: 0, bd: 0,
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	684	ca: 0, cb: 0, cc: 0, cd: 0,
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	685	da: 0, db: 0, dc: 0, dd: 0 };
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	686	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	687	BoardObj.arrMap = [["aa", "ab", "ac", "ad"], ["ba", "bb", "bc", "bd"], ["ca", "cb", "cc", "cd"], ["da", "db", "dc", "dd"]];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	688	/* Doesn't designed to be efficient. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	689	BoardObj.prototype.get = function(i, j) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	690	return this.brd[BoardObj.arrMap[i][j]];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	691	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	692	/* Doesn't designed to be efficient. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	693	BoardObj.prototype.set = function(i, j, val) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	694	this.brd[BoardObj.arrMap[i][j]] = val;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	695	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	696	/* Return and optionally fill 2d board.
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	697	* Doesn't designed to be efficient. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	698	BoardObj.prototype.exportTo = function(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	699	brd = brd \|\| [[],[],[],[]];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	700	for (var i = 0; i < 4; i++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	701	for (var j = 0; j < 4; j++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	702	brd[i][j] = this.brd[4*i + j];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	703	return brd;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	704	}

2048-js-ai