def do_move(request, matchid):
context = RequestContext(request)
if request.method == 'POST':
match = get_object_or_404(Match, pk=matchid)
movesrc = request.POST['move_src']
movedst = request.POST['move_dst']
prompiece = request.POST['prom_piece']
switch = request.POST['switch']
if(match.next_color_human()):
if(len(movesrc) > 0 and len(movedst) > 0 and len(prompiece) > 0):
srcx,srcy = Match.koord_to_index(movesrc)
dstx,dsty = Match.koord_to_index(movedst)
prom_piece = match.PIECES[prompiece]
flag, msg = rules.is_move_valid(match, srcx, srcy, dstx, dsty, prom_piece)
status = rules.game_status(match)
if(flag == True and status == Match.STATUS['open']):
move = match.do_move(srcx, srcy, dstx, dsty, prom_piece)
move.save()
match.save()
calc_move_for_immanuel(match)
fmtmsg = "<p class='ok'>" + rules.ERROR_MSGS[msg] + "</p>"
else:
fmtmsg = "<p class='error'>" + rules.ERROR_MSGS[msg] + "</p>"
else:
fmtmsg = "<p class='error'>Zug-Format ist ungültig.</p>"
else:
fmtmsg = "<p class='error'>Farbe ist nicht am Zug.</p>"
fmtboard = fill_fmtboard(match, int(switch))
moves = []
currmove = Move.objects.filter(match_id=match.id).order_by("count").last()
if(currmove != None):
if(currmove.count % 2 == 0):
limit = 22
else:
limit = 21
qmoves = Move.objects.filter(match_id=match.id).order_by("-count")[:limit]
for qmove in reversed(qmoves):
moves.append(qmove)
comments = Comment.objects.filter(match_id=match.id).order_by("created_at").reverse()[:3]
status = rules.game_status(match)
if(status != Match.STATUS['open']):
fmtmsg = "<p class='error'>" + helper.reverse_lookup(Match.STATUS, status) + "</p>"
if(int(switch) == 0):
rangeobj = range(8)
else:
rangeobj = range(7, -1, -1)
candidate = ""
return render(request, 'kate/match.html', { 'match': match, 'board': fmtboard, 'switch': switch, 'movesrc': movesrc, 'movedst': movedst, 'moves': moves, 'comments': comments, 'msg': fmtmsg, 'range': rangeobj, 'candidate': candidate } )
else:
return HttpResponseRedirect(reverse('kate:match', args=(matchid, switch)))
def calc_min(match, maxdepth, depth, alpha, beta):
generator = Generator()
generator.match = match
gmove = None
color = match.next_color()
newscore = None
minscore = 200000
oldscore = 0
count = 0
while(generator.active):
flag, newgmove = generator.generate_move()
if(flag):
count += 1
oldscore = match.score
move = match.do_move(newgmove.srcx, newgmove.srcy, newgmove.dstx, newgmove.dsty, newgmove.prom_piece)
match.move_list.append(move)
if(depth == 1):
msg = "\nmatch.id:" + str(match.id) + " calculate "
prnt_move(msg, newgmove)
if(gmove):
prnt_move(" CANDIDATE ", gmove)
print(" score: " + str(newscore))
thread = Match.get_active_thread(match)
if(thread and newscore):
thread.populate_candiate(gmove)
if(depth <= maxdepth):
newscore = calc_max(match, maxdepth, depth + 1, alpha, minscore)[0]
elif(depth <= maxdepth + 2):
if(match.next_color() == Match.COLORS['white']):
wkg_attacked = rules.attacked(match, match.wKg_x, match.wKg_y, Match.COLORS['black'])
white_promotion = match.readfield(newgmove.dstx, newgmove.dsty) == Match.PIECES['wPw'] and newgmove.dsty >= 6
if(oldscore != match.score or wkg_attacked or white_promotion ):
newscore = calc_max(match, maxdepth, depth + 1, alpha, minscore)[0]
else:
newscore = match.score + calc_helper.evaluate_position(match)
else:
bkg_attacked = rules.attacked(match, match.bKg_x, match.bKg_y, Match.COLORS['white'])
black_promotion = match.readfield(newgmove.dstx, newgmove.dsty) == Match.PIECES['bPw'] and newgmove.dsty <= 1
if(oldscore != match.score or bkg_attacked or black_promotion):
newscore = calc_max(match, maxdepth, depth + 1, alpha, minscore)[0]
else:
newscore = match.score + calc_helper.evaluate_position(match)
elif(depth <= maxdepth + 4 and oldscore != match.score):
newscore = calc_max(match, maxdepth, depth + 1, alpha, minscore)[0]
else:
newscore = match.score + calc_helper.evaluate_position(match)
newscore, gmove = rate(color, gmove, newgmove, minscore, newscore)
match.undo_move(True)
if(newscore < minscore):
minscore = newscore
if(minscore <= alpha):
break
else:
if(count == 0):
status = rules.game_status(match)
if(status == Match.STATUS['winner_black']):
newscore = Match.SCORES[Match.PIECES['wKg']]
elif(status == Match.STATUS['winner_white']):
newscore = Match.SCORES[Match.PIECES['bKg']]
elif(status == Match.STATUS['draw']):
newscore = Match.SCORES[Match.PIECES['blk']]
else:
newscore = match.score
if(depth == 1):
msg = "\nmatch.id:" + str(match.id) + " CANDIDATE "
prnt_move(msg, gmove)
print(" score: " + str(newscore))
thread = Match.get_active_thread(match)
if(thread):
thread.populate_candiate(gmove)
return newscore, gmove
return minscore, gmove
def calc_move_for_immanuel(match):
if(rules.game_status(match) == Match.STATUS['open'] and match.next_color_human() == False):
calc.thread_do_move(match)