2048-js-ai: board.js@ab294e8db00c (annotated)

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board.js

author	Oleksandr Gavenko <gavenkoa@gmail.com>
	Mon, 08 Sep 2014 17:43:10 +0300
changeset 20	ab294e8db00c
parent 14	9b49e710f5a7
child 22	b041338d7e88
permissions	-rw-r--r--

Add detecting value at edge or corner, free cell count. Added AI that count max value at edges or corner and free cell count.

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	}
14 9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	62	BoardArr2d.prototype.equals = function(brd) {
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	63	for (var i = 0; i < 4; i++)
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	64	for (var j = 0; j < 4; j++)
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	65	if (this.brd[i][j] !== brd.brd[i][j])
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	66	return false;
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	67	return true;
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	68	}
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	69	/* Return and optionally fill 2d board. */
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	70	BoardArr2d.prototype.exportTo = function(brd) {
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	71	brd = brd \|\| [[],[],[],[]];
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[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	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	77	BoardArr2d.prototype.copy = function(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	78	brd = brd \|\| new BoardArr2d();
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	79	for (var i = 0; i < 4; i++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	80	for (var j = 0; j < 4; j++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	81	brd.brd[i][j] = this.brd[i][j];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	82	return brd;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	83	}
20 ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	84	BoardArr2d.prototype.free = function() {
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	85	var cnt = 0;
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	86	for (var i = 0; i < 4; i++)
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	87	for (var j = 0; j < 4; j++)
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	88	if (this.brd[i][j] === 0)
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	89	cnt++;
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	90	return cnt;
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	91	}
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	92	BoardArr2d.prototype.score = function() {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	93	var score = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	94	for (var i = 0; i < 4; i++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	95	for (var j = 0; j < 4; j++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	96	var v = this.brd[i][j];
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	97	if (v > 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	98	score += (v-1)*Math.pow(2, v);
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	99	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	100	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	101	return score;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	102	}
14 9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	103	BoardArr2d.prototype.max = function() {
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	104	var max = 0;
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	105	for (var i = 0; i < 4; i++) {
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	106	for (var j = 0; j < 4; j++) {
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	107	max = Math.max(max, this.brd[i][j]);
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	108	}
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	109	}
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	110	return max;
9b49e710f5a7 Add "N level deep on score value without random" AI. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 12 diff changeset	111	}
20 ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	112	BoardArr2d.prototype.find = function(val) {
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	113	var xy = [];
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	114	for (var i = 0; i < 4; i++) {
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	115	for (var j = 0; j < 4; j++) {
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	116	if (this.brd[i][j] === val)
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	117	xy.push([i,j]);
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	118	}
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	119	}
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	120	return xy;
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	121	}
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	122	BoardArr2d.prototype.atEdge = function(val) {
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	123	var brd = this.brd;
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	124	return (brd[0][0] === val) \|\| (brd[0][1] === val) \|\| (brd[0][2] === val) \|\| (brd[0][3] === val)
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	125	\|\| (brd[1][0] === val) \|\| (brd[1][3] === val)
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	126	\|\| (brd[2][0] === val) \|\| (brd[2][3] === val)
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	127	\|\| (brd[3][0] === val) \|\| (brd[3][1] === val) \|\| (brd[3][2] === val) \|\| (brd[3][3] === val);
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	128	}
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	129	BoardArr2d.prototype.atCorner = function(val) {
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	130	var brd = this.brd;
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	131	return (brd[0][0] === val) \|\| (brd[0][3] === val) \|\| (brd[3][0] === val) \|\| (brd[3][3] === val);
ab294e8db00c Add detecting value at edge or corner, free cell count. Added AI that count Oleksandr Gavenko <gavenkoa@gmail.com> parents: 14 diff changeset	132	}
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	133
9 961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	134	BoardArr2d.prototype.canRight = function() {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	135	for (var i = 0; i < 4; i++) {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	136	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	137	if (f2 > 0 && (f2 === f3 \|\| f3 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	138	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	139	if (f1 > 0 && (f1 === f2 \|\| f2 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	140	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	141	if (f0 > 0 && (f0 === f1 \|\| f1 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	142	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	143	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	144	return false;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	145	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	146	BoardArr2d.prototype.canLeft = function() {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	147	for (var i = 0; i < 4; i++) {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	148	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	149	if (f1 > 0 && (f1 === f0 \|\| f0 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	150	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	151	if (f2 > 0 && (f2 === f1 \|\| f1 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	152	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	153	if (f3 > 0 && (f3 === f2 \|\| f2 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	154	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	155	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	156	return false;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	157	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	158	BoardArr2d.prototype.canUp = function() {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	159	for (var j = 0; j < 4; j++) {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	160	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	161	if (f1 > 0 && (f1 === f0 \|\| f0 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	162	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	163	if (f2 > 0 && (f2 === f1 \|\| f1 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	164	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	165	if (f3 > 0 && (f3 === f2 \|\| f2 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	166	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	167	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	168	return false;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	169	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	170	BoardArr2d.prototype.canDown = function() {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	171	for (var j = 0; j < 4; j++) {
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	172	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	173	if (f2 > 0 && (f2 === f3 \|\| f3 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	174	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	175	if (f1 > 0 && (f1 === f2 \|\| f2 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	176	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	177	if (f0 > 0 && (f0 === f1 \|\| f1 === 0))
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	178	return true;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	179	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	180	return false;
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	181	}
961eff57a23f Add BoardArr2d.prototype.can* functions. Fix typo. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 6 diff changeset	182
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	183	BoardArr2d.prototype.shiftLeft_unrolled = function(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	184	var from = this.brd, to = brd.brd;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	185	for (var i = 3; i >= 0; i--) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	186	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	187	if (f3 === 0) {
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 (f2 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	190	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	191	if (f1 === 0) { // a 0 0 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	192	to[i][2] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	193	to[i][3] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	194	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	195	if (f0 === f1) { // a a 0 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	196	to[i][2] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	197	to[i][3] = f0 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	198	} else { // a b 0 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	199	to[i][2] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	200	to[i][3] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	201	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	202	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	203	} else { // f2 !== 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	204	if (f1 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	205	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	206	if (f0 === f2) { // a 0 a 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	207	to[i][3] = f2 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	208	to[i][2] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	209	} else { // a 0 b 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	210	to[i][3] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	211	to[i][2] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	212	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	213	} else { // f1 !== 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	214	if (f1 === f2) { // a b b 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	215	to[i][3] = f2 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	216	to[i][2] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	217	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	218	} else { // f1 !== f2
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	219	to[i][3] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	220	if (f0 === f1) { // a a b 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	221	to[i][2] = f1 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	222	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	223	} else { // a b c 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	224	to[i][2] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	225	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	226	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	227	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	228	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	229	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	230	} else { // f3 !== 0
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	231	if (f2 === f3) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	232	to[i][3] = f2 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	233	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	234	if (f1 === 0) { // a 0 b b
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	235	to[i][2] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	236	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	237	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	238	if (f0 === f1) { // a a b b
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	239	to[i][2] = f1 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	240	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	241	} else { // a b c c
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	242	to[i][2] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	243	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	244	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	245	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	246	} else { // f2 !== f3
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	247	to[i][3] = f3;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	248	if (f2 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	249	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	250	if (f1 === 0) { // a 0 0 b
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	251	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	252	to[i][2] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	253	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	254	if (f0 === f1) { // a a 0 b
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	255	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	256	to[i][2] = f1 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	257	} else { // a b 0 c
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	258	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	259	to[i][2] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	260	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	261	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	262	} else { // f2 !== 0 && f2 !== f3
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	263	if (f1 === 0) { // a 0 b c
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	264	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	265	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	266	to[i][2] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	267	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	268	if (f0 === f1) { // a a b c
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	269	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	270	to[i][1] = f1 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	271	to[i][2] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	272	} else { // a b c d
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	273	to[i][0] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	274	to[i][1] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	275	to[i][2] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	276	}
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	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	279	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	280	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	281	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	282	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	283
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	284	BoardArr2d.prototype.shiftRight_mostly_unrolled = function(brd) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	285	var updated = false;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	286	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	287	for (var i = 0; i < 4; i++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	288	var moved = true;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	289	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	290	if (f3 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	291	if (f2 === 0) {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	292	if (f1 === 0) { // a 0 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	293	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	294	moved = false;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	295	f3 = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	296	f2 = 0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	297	} else { // a b 0 0
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	298	f3 = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	299	f2 = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	300	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	301	f1 = 0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	302	} else { // f2 !== 0 && f3 === 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	303	if (f1 === 0) { // a 0 b 0
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	304	f3 = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	305	f2 = f0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	306	} else { // a b c 0
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	307	f3 = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	308	f2 = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	309	f1 = f0;
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	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	312	f0 = 0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	313	} else { // f3 !== 0
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	314	if (f2 === 0) {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	315	if (f1 === 0) { // a 0 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	316	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	317	moved = false;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	318	f2 = f0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	319	} else { // a b 0 c
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	320	f2 = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	321	f1 = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	322	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	323	f0 = 0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	324	} else { // f2 !== 0 && f3 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	325	if (f1 === 0) { // a 0 b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	326	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	327	moved = false;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	328	f1 = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	329	f0 = 0;
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	330	} else { // else: a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	331	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	332	}
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	333	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	334	}
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	335	updated = updated \|\| moved;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	336	if (f2 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	337	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	338	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	339	to[i][2] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	340	to[i][3] = f3;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	341	continue;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	342	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	343	if (f1 === 0) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	344	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	345	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	346	if (f2 === f3) {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	347	updated = true;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	348	to[i][2] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	349	to[i][3] = f3 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	350	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	351	to[i][2] = f2;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	352	to[i][3] = f3;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	353	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	354	continue;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	355	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	356	if (f2 === f3) {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	357	updated = true;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	358	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	359	to[i][3] = f3 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	360	if (f0 === f1) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	361	to[i][1] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	362	to[i][2] = f1 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	363	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	364	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	365	to[i][2] = f1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	366	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	367	} else {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	368	to[i][3] = f3;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	369	if (f1 === f2) {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	370	updated = true;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	371	to[i][0] = 0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	372	to[i][1] = f0;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	373	to[i][2] = f2 + 1;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	374	} else {
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	375	if (f0 === f1) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	376	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	377	to[i][0] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	378	to[i][1] = f1+1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	379	to[i][2] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	380	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	381	to[i][0] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	382	to[i][1] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	383	to[i][2] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	384	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	385	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	386	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	387	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	388	return updated;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	389	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	390	BoardArr2d.prototype.shiftDown_mostly_unrolled = function(brd) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	391	var updated = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	392	var from = this.brd, to = brd.brd;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	393	for (var j = 0; j < 4; j++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	394	var moved = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	395	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	396	if (f3 === 0) {
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	if (f1 === 0) { // a 0 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	399	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	400	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	401	f3 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	402	f2 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	403	} else { // a b 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	404	f3 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	405	f2 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	406	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	407	f1 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	408	} else { // f2 !== 0 && f3 === 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	409	if (f1 === 0) { // a 0 b 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	410	f3 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	411	f2 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	412	} else { // a b c 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	413	f3 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	414	f2 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	415	f1 = f0;
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	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	418	f0 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	419	} else { // f3 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	420	if (f2 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	421	if (f1 === 0) { // a 0 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	422	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	423	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	424	f2 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	425	} else { // a b 0 c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	426	f2 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	427	f1 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	428	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	429	f0 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	430	} else { // f2 !== 0 && f3 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	431	if (f1 === 0) { // a 0 b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	432	if (f0 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	433	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	434	f1 = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	435	f0 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	436	} else { // else: a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	437	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	438	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	439	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	440	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	441	updated = updated \|\| moved;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	442	if (f2 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	443	to[0][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	444	to[1][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	445	to[2][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	446	to[3][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	447	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	448	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	449	if (f1 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	450	to[0][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	451	to[1][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	452	if (f2 === f3) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	453	to[2][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	454	to[3][j] = f3 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	455	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	456	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	457	to[2][j] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	458	to[3][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	459	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	460	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	461	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	462	if (f2 === f3) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	463	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	464	to[0][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	465	to[3][j] = f3 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	466	if (f0 === f1) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	467	to[1][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	468	to[2][j] = f1 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	469	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	470	to[1][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	471	to[2][j] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	472	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	473	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	474	to[3][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	475	if (f1 === f2) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	476	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	477	to[0][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	478	to[1][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	479	to[2][j] = f2 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	480	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	481	if (f0 === f1) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	482	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	483	to[0][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	484	to[1][j] = f1+1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	485	to[2][j] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	486	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	487	to[0][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	488	to[1][j] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	489	to[2][j] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	490	}
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	491	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	492	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	493	}
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	494	return updated;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	495	}
12 a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	496	BoardArr2d.prototype.shiftLeft_mostly_unrolled = function(brd) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	497	var updated = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	498	var from = this.brd, to = brd.brd;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	499	for (var i = 0; i < 4; i++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	500	var moved = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	501	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	502	if (f0 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	503	if (f1 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	504	if (f2 === 0) { // 0 0 0 a
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	505	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	506	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	507	f0 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	508	f1 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	509	} else { // 0 0 a b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	510	f0 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	511	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	512	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	513	f2 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	514	} else { // f1 !== 0 && f0 === 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	515	if (f2 === 0) { // 0 a 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	516	f0 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	517	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	518	} else { // 0 a b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	519	f0 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	520	f1 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	521	f2 = f3;
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	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	524	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	525	} else { // f0 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	526	if (f1 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	527	if (f2 === 0) { // a 0 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	528	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	529	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	530	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	531	} else { // a 0 b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	532	f1 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	533	f2 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	534	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	535	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	536	} else { // f1 !== 0 && f0 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	537	if (f2 === 0) { // a b 0 c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	538	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	539	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	540	f2 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	541	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	542	} else { // else: a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	543	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	544	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	545	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	546	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	547	updated = updated \|\| moved;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	548	if (f1 === 0) { // a 0 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	549	to[i][3] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	550	to[i][2] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	551	to[i][1] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	552	to[i][0] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	553	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	554	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	555	if (f2 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	556	to[i][3] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	557	to[i][2] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	558	if (f1 === f0) { // a a 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	559	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	560	to[i][1] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	561	to[i][0] = f0 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	562	} else { // a b 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	563	to[i][1] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	564	to[i][0] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	565	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	566	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	567	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	568	if (f1 === f0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	569	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	570	to[i][3] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	571	to[i][0] = f0 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	572	if (f3 === f2) { // a a b b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	573	to[i][2] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	574	to[i][1] = f2 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	575	} else { // a a b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	576	to[i][2] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	577	to[i][1] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	578	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	579	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	580	to[i][0] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	581	if (f2 === f1) { // a b b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	582	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	583	to[i][3] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	584	to[i][2] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	585	to[i][1] = f1 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	586	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	587	to[i][1] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	588	if (f2 === f3) { // a b c c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	589	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	590	to[i][3] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	591	to[i][2] = f2+1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	592	} else { // a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	593	to[i][3] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	594	to[i][2] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	595	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	596	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	597	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	598	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	599	return updated;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	600	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	601	BoardArr2d.prototype.shiftUp_mostly_unrolled = function(brd) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	602	var updated = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	603	var from = this.brd, to = brd.brd;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	604	for (var j = 0; j < 4; j++) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	605	var moved = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	606	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	607	if (f0 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	608	if (f1 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	609	if (f2 === 0) { // 0 0 0 a
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	610	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	611	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	612	f0 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	613	f1 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	614	} else { // 0 0 a b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	615	f0 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	616	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	617	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	618	f2 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	619	} else { // f1 !== 0 && f0 === 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	620	if (f2 === 0) { // 0 a 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	621	f0 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	622	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	623	} else { // 0 a b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	624	f0 = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	625	f1 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	626	f2 = f3;
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	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	629	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	630	} else { // f0 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	631	if (f1 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	632	if (f2 === 0) { // a 0 0 b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	633	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	634	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	635	f1 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	636	} else { // a 0 b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	637	f1 = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	638	f2 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	639	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	640	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	641	} else { // f1 !== 0 && f0 !== 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	642	if (f2 === 0) { // a b 0 c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	643	if (f3 === 0)
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	644	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	645	f2 = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	646	f3 = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	647	} else { // else: a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	648	moved = false;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	649	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	650	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	651	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	652	updated = updated \|\| moved;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	653	if (f1 === 0) { // a 0 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	654	to[3][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	655	to[2][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	656	to[1][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	657	to[0][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	658	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	659	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	660	if (f2 === 0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	661	to[3][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	662	to[2][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	663	if (f1 === f0) { // a a 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	664	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	665	to[1][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	666	to[0][j] = f0 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	667	} else { // a b 0 0
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	668	to[1][j] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	669	to[0][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	670	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	671	continue;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	672	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	673	if (f1 === f0) {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	674	to[3][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	675	to[0][j] = f0 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	676	if (f3 === f2) { // a a b b
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	677	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	678	to[2][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	679	to[1][j] = f2 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	680	} else { // a a b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	681	to[2][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	682	to[1][j] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	683	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	684	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	685	to[0][j] = f0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	686	if (f2 === f1) { // a b b c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	687	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	688	to[3][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	689	to[2][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	690	to[1][j] = f1 + 1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	691	} else {
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	692	to[1][j] = f1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	693	if (f2 === f3) { // a b c c
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	694	updated = true;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	695	to[3][j] = 0;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	696	to[2][j] = f2+1;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	697	} else { // a b c d
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	698	to[3][j] = f3;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	699	to[2][j] = f2;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	700	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	701	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	702	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	703	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	704	return updated;
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	705	}
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	706
a9a44cfc3e08 Moves for 2d array board + test toolkit. Oleksandr Gavenko <gavenkoa@gmail.com> parents: 9 diff changeset	707	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	708	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	709	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	710	BoardArr2d.prototype.down = BoardArr2d.prototype.shiftDown_mostly_unrolled;
6 eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	711
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	712
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	713
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	714	////////////////////////////////////////////////////////////////
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	715	// Board as properties.
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	716	////////////////////////////////////////////////////////////////
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	717
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	718	/* Create board as properties of object.
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	719	* 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	720	function BoardObj(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	721	if (brd)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	722	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	723	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	724	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	725	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	726	else
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	727	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	728	ba: 0, bb: 0, bc: 0, bd: 0,
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	729	ca: 0, cb: 0, cc: 0, cd: 0,
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	730	da: 0, db: 0, dc: 0, dd: 0 };
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	731	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	732	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	733	/* Doesn't designed to be efficient. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	734	BoardObj.prototype.get = function(i, j) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	735	return this.brd[BoardObj.arrMap[i][j]];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	736	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	737	/* Doesn't designed to be efficient. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	738	BoardObj.prototype.set = function(i, j, val) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	739	this.brd[BoardObj.arrMap[i][j]] = val;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	740	}
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	741	/* Return and optionally fill 2d board.
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	742	* Doesn't designed to be efficient. */
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	743	BoardObj.prototype.exportTo = function(brd) {
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	744	brd = brd \|\| [[],[],[],[]];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	745	for (var i = 0; i < 4; i++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	746	for (var j = 0; j < 4; j++)
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	747	brd[i][j] = this.brd[4*i + j];
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	748	return brd;
eb31d2025a1d Initial implementation of board back-ends. Oleksandr Gavenko <gavenkoa@gmail.com> parents: diff changeset	749	}

2048-js-ai