| changeset 109 | 6d5a9d8b00be |
| parent 104 | 47d42234dd5c |
| child 110 | e3a91b336976 |
| 108:5f4985c2a4d4 | 109:6d5a9d8b00be |
|---|---|
227 var bestDir; |
227 var bestDir; |
228 for (var i = 0; i < ai.dirs.length; i++) { |
228 for (var i = 0; i < ai.dirs.length; i++) { |
229 var dir = ai.dirs[i]; |
229 var dir = ai.dirs[i]; |
230 if (origBrd[dir](nextBrd)) { |
230 if (origBrd[dir](nextBrd)) { |
231 nextScore = nextBrd.score(); |
231 nextScore = nextBrd.score(); |
232 var score = this.bestScore(nextBrd); |
232 var score = this.evalFn(nextBrd); |
233 // console.log("dir: %o, prevScore: %o, nextScore: %o, maxScore: %o, score: %o", dir, prevScore, nextScore, maxScore, score); |
233 // console.log("dir: %o, prevScore: %o, nextScore: %o, maxScore: %o, score: %o", dir, prevScore, nextScore, maxScore, score); |
234 if (maxScore < score || (maxScore === score && prevScore < nextScore)) { |
234 if (maxScore < score || (maxScore === score && prevScore < nextScore)) { |
235 prevScore = nextScore; |
235 prevScore = nextScore; |
236 maxScore = score; |
236 maxScore = score; |
237 bestDir = dir; |
237 bestDir = dir; |
238 } |
238 } |
239 } |
239 } |
240 } |
240 } |
241 return bestDir; |
241 return bestDir; |
242 } |
242 } |
243 ai.DeepMaxScore.prototype.bestScore = function(brd, seenBrds) { |
243 ai.DeepMaxScore.prototype.evalFn = function(brd, seenBrds) { |
244 if (seenBrds) { |
244 if (seenBrds) { |
245 for (var i = 0; i < seenBrds.length; i++) |
245 for (var i = 0; i < seenBrds.length; i++) |
246 if (brd.equals(seenBrds[i])) |
246 if (brd.equals(seenBrds[i])) |
247 return 0; |
247 return 0; |
248 } else { |
248 } else { |
254 var nextBrd = new this.brdEngine(); |
254 var nextBrd = new this.brdEngine(); |
255 for (var i = 0; i < ai.dirs.length; i++) { |
255 for (var i = 0; i < ai.dirs.length; i++) { |
256 if (brd[ai.dirs[i]](nextBrd)) { |
256 if (brd[ai.dirs[i]](nextBrd)) { |
257 var score = nextBrd.score(); |
257 var score = nextBrd.score(); |
258 if (score > currScore) |
258 if (score > currScore) |
259 maxScore = Math.max(maxScore, this.bestScore(nextBrd, seenBrds)); |
259 maxScore = Math.max(maxScore, this.evalFn(nextBrd, seenBrds)); |
260 } |
260 } |
261 } |
261 } |
262 return maxScore; |
262 return maxScore; |
263 } |
263 } |
264 /* Mark that next board will be unrelated to previous, so any stored precompution can be cleared. */ |
264 /* Mark that next board will be unrelated to previous, so any stored precompution can be cleared. */ |
319 var bestDir; |
319 var bestDir; |
320 for (var i = 0; i < ai.dirs.length; i++) { |
320 for (var i = 0; i < ai.dirs.length; i++) { |
321 var dir = ai.dirs[i]; |
321 var dir = ai.dirs[i]; |
322 if (origBrd[dir](nextBrd)) { |
322 if (origBrd[dir](nextBrd)) { |
323 nextScore = this.scoreCorner(nextBrd); |
323 nextScore = this.scoreCorner(nextBrd); |
324 var score = this.bestScore(nextBrd); |
324 var score = this.evalFn(nextBrd); |
325 // console.log("dir: %o, prevScore: %o, nextScore: %o, maxScore: %o, score: %o", dir, prevScore, nextScore, maxScore, score); |
325 // console.log("dir: %o, prevScore: %o, nextScore: %o, maxScore: %o, score: %o", dir, prevScore, nextScore, maxScore, score); |
326 if (maxScore < score || (maxScore === score && prevScore < nextScore)) { |
326 if (maxScore < score || (maxScore === score && prevScore < nextScore)) { |
327 prevScore = nextScore; |
327 prevScore = nextScore; |
328 maxScore = score; |
328 maxScore = score; |
329 bestDir = dir; |
329 bestDir = dir; |
330 } |
330 } |
331 } |
331 } |
332 } |
332 } |
333 return bestDir; |
333 return bestDir; |
334 } |
334 } |
335 ai.DeepMaxScoreCorner.prototype.bestScore = function(brd, seenBrds) { |
335 ai.DeepMaxScoreCorner.prototype.evalFn = function(brd, seenBrds) { |
336 if (seenBrds) { |
336 if (seenBrds) { |
337 for (var i = 0; i < seenBrds.length; i++) |
337 for (var i = 0; i < seenBrds.length; i++) |
338 if (brd.equals(seenBrds[i])) |
338 if (brd.equals(seenBrds[i])) |
339 return 0; |
339 return 0; |
340 } else { |
340 } else { |
346 var nextBrd = new this.brdEngine(); |
346 var nextBrd = new this.brdEngine(); |
347 for (var i = 0; i < ai.dirs.length; i++) { |
347 for (var i = 0; i < ai.dirs.length; i++) { |
348 if (brd[ai.dirs[i]](nextBrd)) { |
348 if (brd[ai.dirs[i]](nextBrd)) { |
349 var score = this.scoreEdge(nextBrd); |
349 var score = this.scoreEdge(nextBrd); |
350 if (score > currScore) |
350 if (score > currScore) |
351 maxScore = Math.max(maxScore, this.bestScore(nextBrd, seenBrds)); |
351 maxScore = Math.max(maxScore, this.evalFn(nextBrd, seenBrds)); |
352 } |
352 } |
353 } |
353 } |
354 return maxScore; |
354 return maxScore; |
355 } |
355 } |
356 /* Mark that next board will be unrelated to previous, so any stored precompution can be cleared. */ |
356 /* Mark that next board will be unrelated to previous, so any stored precompution can be cleared. */ |
413 var bestDir; |
413 var bestDir; |
414 this.cleanup(); |
414 this.cleanup(); |
415 for (var i = 0; i < ai.dirs.length; i++) { |
415 for (var i = 0; i < ai.dirs.length; i++) { |
416 var dir = ai.dirs[i]; |
416 var dir = ai.dirs[i]; |
417 if (origBrd[dir](nextBrd)) { |
417 if (origBrd[dir](nextBrd)) { |
418 var weight = this.recWeight(nextBrd, 1); |
418 var weight = this.evalFn(nextBrd, 1); |
419 var ok = (weight - maxWeight) > this.cfg.weightPriority; |
419 var ok = (weight - maxWeight) > this.cfg.weightPriority; |
420 if ( ! ok && maxWeight <= weight) { |
420 if ( ! ok && maxWeight <= weight) { |
421 nextScore = this.weight(nextBrd); |
421 nextScore = this.weight(nextBrd); |
422 ok = prevScore < nextScore; |
422 ok = prevScore < nextScore; |
423 } |
423 } |
429 } |
429 } |
430 } |
430 } |
431 this.cleanup(); |
431 this.cleanup(); |
432 return bestDir; |
432 return bestDir; |
433 } |
433 } |
434 ai.expectimax.prototype.recWeight = function(brd, depth) { |
434 ai.expectimax.prototype.evalFn = function(brd, depth) { |
435 if (depth >= this.cfg.depth) |
435 if (depth >= this.cfg.depth) |
436 return this.weight(brd); |
436 return this.weight(brd); |
437 if (this.cache[depth]) { |
437 if (this.cache[depth]) { |
438 var cache = this.cache[depth]; |
438 var cache = this.cache[depth]; |
439 for (var i = cache.length-1; i >= 0; i--) { |
439 for (var i = cache.length-1; i >= 0; i--) { |
452 randBoard.set(i, j, 1); |
452 randBoard.set(i, j, 1); |
453 var nextBrd = new this.brdEngine(); |
453 var nextBrd = new this.brdEngine(); |
454 var n = 0, w = 0; |
454 var n = 0, w = 0; |
455 for (var diri = 0; diri < ai.dirs.length; diri++) { |
455 for (var diri = 0; diri < ai.dirs.length; diri++) { |
456 if (randBoard[ai.dirs[diri]](nextBrd)) { |
456 if (randBoard[ai.dirs[diri]](nextBrd)) { |
457 w += this.recWeight(nextBrd, depth+1); |
457 w += this.evalFn(nextBrd, depth+1); |
458 n++; |
458 n++; |
459 } |
459 } |
460 } |
460 } |
461 if (n > 0) |
461 if (n > 0) |
462 w = w / n; |
462 w = w / n; |
464 if (this.cfg.balance < 1) { |
464 if (this.cfg.balance < 1) { |
465 randBoard.set(i, j, 2); |
465 randBoard.set(i, j, 2); |
466 var n = 0, w = 0; |
466 var n = 0, w = 0; |
467 for (var diri = 0; diri < ai.dirs.length; diri++) { |
467 for (var diri = 0; diri < ai.dirs.length; diri++) { |
468 if (randBoard[ai.dirs[diri]](nextBrd)) { |
468 if (randBoard[ai.dirs[diri]](nextBrd)) { |
469 w += this.recWeight(nextBrd, depth+1); |
469 w += this.evalFn(nextBrd, depth+1); |
470 n++; |
470 n++; |
471 } |
471 } |
472 } |
472 } |
473 if (n > 0) |
473 if (n > 0) |
474 w = w / n; |
474 w = w / n; |