test/bigtest.c

Thu, 11 Jul 2024 19:41:06 +0200

author
Mike Becker <universe@uap-core.de>
date
Thu, 11 Jul 2024 19:41:06 +0200
changeset 79
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parent 65
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permissions
-rw-r--r--

update .hgtags

25
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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2014 Mike Becker. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 *
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28 */
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29
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30 #include "rules.h"
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31 #include "chess.h"
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32 #include <string.h>
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33 #include <stdlib.h>
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34 #include <sys/time.h>
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35
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36 static GameState gamestate_copy_sim(GameState *gamestate) {
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37 GameState simulation = *gamestate;
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38 if (simulation.lastmove) {
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39 MoveList *lastmovecopy = malloc(sizeof(MoveList));
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40 *lastmovecopy = *(simulation.lastmove);
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41 simulation.movelist = simulation.lastmove = lastmovecopy;
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42 }
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43
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44 return simulation;
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45 }
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46
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47 void gamestate_init(GameState *gamestate) {
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48 memset(gamestate, 0, sizeof(GameState));
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49
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50 Board initboard = {
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51 {WROOK, WKNIGHT, WBISHOP, WQUEEN, WKING, WBISHOP, WKNIGHT, WROOK},
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52 {WPAWN, WPAWN, WPAWN, WPAWN, WPAWN, WPAWN, WPAWN, WPAWN},
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53 {0, 0, 0, 0, 0, 0, 0, 0},
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54 {0, 0, 0, 0, 0, 0, 0, 0},
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55 {0, 0, 0, 0, 0, 0, 0, 0},
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56 {0, 0, 0, 0, 0, 0, 0, 0},
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57 {BPAWN, BPAWN, BPAWN, BPAWN, BPAWN, BPAWN, BPAWN, BPAWN},
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58 {BROOK, BKNIGHT, BBISHOP, BQUEEN, BKING, BBISHOP, BKNIGHT, BROOK}
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59 };
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60 memcpy(gamestate->board, initboard, sizeof(Board));
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61 }
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62
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63 void gamestate_cleanup(GameState *gamestate) {
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64 MoveList *elem;
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65 elem = gamestate->movelist;
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66 while (elem) {
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67 MoveList *cur = elem;
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68 elem = elem->next;
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69 free(cur);
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70 };
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71 }
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72
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73 /* MUST be called IMMEDIATLY after applying a move to work correctly */
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74 static void format_move(GameState *gamestate, Move *move) {
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75 char *string = move->string;
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76
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77 /* at least 8 characters should be available, wipe them out */
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78 memset(string, 0, 8);
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79
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80 /* special formats for castling */
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81 if ((move->piece&PIECE_MASK) == KING &&
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82 abs(move->tofile-move->fromfile) == 2) {
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83 if (move->tofile==fileidx('c')) {
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84 memcpy(string, "O-O-O", 5);
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85 } else {
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86 memcpy(string, "O-O", 3);
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87 }
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88 }
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89
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90 /* start by notating the piece character */
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91 string[0] = getpiecechr(move->piece);
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92 int idx = string[0] ? 1 : 0;
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93
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94 /* find out how many source information we do need */
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95 uint8_t piece = move->piece & PIECE_MASK;
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96 if (piece == PAWN) {
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97 if (move->capture) {
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98 string[idx++] = filechr(move->fromfile);
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99 }
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100 } else if (piece != KING) {
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101 Move threats[16];
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102 uint8_t threatcount;
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103 get_real_threats(gamestate, move->torow, move->tofile,
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104 move->piece&COLOR_MASK, threats, &threatcount);
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105 if (threatcount > 1) {
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106 int ambrows = 0, ambfiles = 0;
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107 for (uint8_t i = 0 ; i < threatcount ; i++) {
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108 if (threats[i].fromrow == move->fromrow) {
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109 ambrows++;
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110 }
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111 if (threats[i].fromfile == move->fromfile) {
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112 ambfiles++;
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113 }
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114 }
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115 /* ambiguous row, name file */
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116 if (ambrows > 1) {
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117 string[idx++] = filechr(move->fromfile);
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118 }
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119 /* ambiguous file, name row */
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120 if (ambfiles > 1) {
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121 string[idx++] = filechr(move->fromrow);
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122 }
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123 }
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124 }
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125
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diff changeset
126 /* capturing? */
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parents:
diff changeset
127 if (move->capture) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
128 string[idx++] = 'x';
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
129 }
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parents:
diff changeset
130
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parents:
diff changeset
131 /* destination */
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parents:
diff changeset
132 string[idx++] = filechr(move->tofile);
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parents:
diff changeset
133 string[idx++] = rowchr(move->torow);
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parents:
diff changeset
134
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parents:
diff changeset
135 /* promotion? */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
136 if (move->promotion) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
137 string[idx++] = '=';
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
138 string[idx++] = getpiecechr(move->promotion);
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parents:
diff changeset
139 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
140
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
141 /* check? */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
142 if (move->check) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
143 /* works only, if this function is called when applying the move */
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parents:
diff changeset
144 string[idx++] = gamestate->checkmate?'#':'+';
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parents:
diff changeset
145 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
146 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
147
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parents:
diff changeset
148 static void addmove(GameState* gamestate, Move *move) {
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parents:
diff changeset
149 MoveList *elem = malloc(sizeof(MoveList));
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parents:
diff changeset
150 elem->next = NULL;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
151 elem->move = *move;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
152
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
153 struct timeval curtimestamp;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
154 gettimeofday(&curtimestamp, NULL);
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parents:
diff changeset
155 elem->move.timestamp.tv_sec = curtimestamp.tv_sec;
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parents:
diff changeset
156 elem->move.timestamp.tv_usec = curtimestamp.tv_usec;
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parents:
diff changeset
157
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
158 if (gamestate->lastmove) {
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parents:
diff changeset
159 struct movetimeval *lasttstamp = &(gamestate->lastmove->move.timestamp);
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parents:
diff changeset
160 uint64_t sec = curtimestamp.tv_sec - lasttstamp->tv_sec;
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parents:
diff changeset
161 suseconds_t micros;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
162 if (curtimestamp.tv_usec < lasttstamp->tv_usec) {
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parents:
diff changeset
163 micros = 1e6L-(lasttstamp->tv_usec - curtimestamp.tv_usec);
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parents:
diff changeset
164 sec--;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
165 } else {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
166 micros = curtimestamp.tv_usec - lasttstamp->tv_usec;
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parents:
diff changeset
167 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
168
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parents:
diff changeset
169 elem->move.movetime.tv_sec = sec;
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parents:
diff changeset
170 elem->move.movetime.tv_usec = micros;
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parents:
diff changeset
171
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parents:
diff changeset
172 gamestate->lastmove->next = elem;
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parents:
diff changeset
173 gamestate->lastmove = elem;
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parents:
diff changeset
174 } else {
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parents:
diff changeset
175 elem->move.movetime.tv_usec = 0;
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parents:
diff changeset
176 elem->move.movetime.tv_sec = 0;
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parents:
diff changeset
177 gamestate->movelist = gamestate->lastmove = elem;
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parents:
diff changeset
178 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
179 }
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parents:
diff changeset
180
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
181 char getpiecechr(uint8_t piece) {
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parents:
diff changeset
182 switch (piece & PIECE_MASK) {
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parents:
diff changeset
183 case ROOK: return 'R';
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
184 case KNIGHT: return 'N';
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
185 case BISHOP: return 'B';
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
186 case QUEEN: return 'Q';
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
187 case KING: return 'K';
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
188 default: return '\0';
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parents:
diff changeset
189 }
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parents:
diff changeset
190 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
191
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parents:
diff changeset
192 uint8_t getpiece(char c) {
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parents:
diff changeset
193 switch (c) {
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parents:
diff changeset
194 case 'R': return ROOK;
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Mike Becker <universe@uap-core.de>
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diff changeset
195 case 'N': return KNIGHT;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
196 case 'B': return BISHOP;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
197 case 'Q': return QUEEN;
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parents:
diff changeset
198 case 'K': return KING;
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diff changeset
199 default: return 0;
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parents:
diff changeset
200 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
201 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
202
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
203 static void apply_move_impl(GameState *gamestate, Move *move, _Bool simulate) {
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parents:
diff changeset
204 uint8_t piece = move->piece & PIECE_MASK;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
205 uint8_t color = move->piece & COLOR_MASK;
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parents:
diff changeset
206
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
207 /* en passant capture */
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parents:
diff changeset
208 if (move->capture && piece == PAWN &&
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
209 mdst(gamestate->board, move) == 0) {
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parents:
diff changeset
210 gamestate->board[move->fromrow][move->tofile] = 0;
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parents:
diff changeset
211 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
212
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
213 /* remove old en passant threats */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
214 for (uint8_t file = 0 ; file < 8 ; file++) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
215 gamestate->board[3][file] &= ~ENPASSANT_THREAT;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
216 gamestate->board[4][file] &= ~ENPASSANT_THREAT;
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parents:
diff changeset
217 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
218
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
219 /* add new en passant threat */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
220 if (piece == PAWN && (
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
221 (move->fromrow == 1 && move->torow == 3) ||
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
222 (move->fromrow == 6 && move->torow == 4))) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
223 move->piece |= ENPASSANT_THREAT;
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parents:
diff changeset
224 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
225
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
226 /* move (and maybe capture or promote) */
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parents:
diff changeset
227 msrc(gamestate->board, move) = 0;
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parents:
diff changeset
228 if (move->promotion) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
229 mdst(gamestate->board, move) = move->promotion;
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parents:
diff changeset
230 } else {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
231 mdst(gamestate->board, move) = move->piece;
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parents:
diff changeset
232 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
233
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
234 /* castling */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
235 if (piece == KING && move->fromfile == fileidx('e')) {
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parents:
diff changeset
236
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
237 if (move->tofile == fileidx('g')) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
238 gamestate->board[move->torow][fileidx('h')] = 0;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
239 gamestate->board[move->torow][fileidx('f')] = color|ROOK;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
240 } else if (move->tofile == fileidx('c')) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
241 gamestate->board[move->torow][fileidx('a')] = 0;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
242 gamestate->board[move->torow][fileidx('d')] = color|ROOK;
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parents:
diff changeset
243 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
244 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
245
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
246 if (!simulate) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
247 if (!move->string[0]) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
248 format_move(gamestate, move);
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parents:
diff changeset
249 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
250 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
251 /* add move, even in simulation (checkmate test needs it) */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
252 addmove(gamestate, move);
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
253 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
254
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parents:
diff changeset
255 void apply_move(GameState *gamestate, Move *move) {
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parents:
diff changeset
256 apply_move_impl(gamestate, move, 0);
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parents:
diff changeset
257 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
258
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
259 static int validate_move_rules(GameState *gamestate, Move *move) {
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parents:
diff changeset
260 /* validate indices (don't trust opponent) */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
261 if (!chkidx(move)) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
262 return INVALID_POSITION;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
263 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
264
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
265 /* must move */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
266 if (move->fromfile == move->tofile && move->fromrow == move->torow) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
267 return INVALID_MOVE_SYNTAX;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
268 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
269
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
270 /* does piece exist */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
271 if ((msrc(gamestate->board, move)&(PIECE_MASK|COLOR_MASK))
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
272 != (move->piece&(PIECE_MASK|COLOR_MASK))) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
273 return INVALID_POSITION;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
274 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
275
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
276 /* can't capture own pieces */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
277 if ((mdst(gamestate->board, move) & COLOR_MASK)
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
278 == (move->piece & COLOR_MASK)) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
279 return RULES_VIOLATED;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
280 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
281
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
282 /* must capture, if and only if destination is occupied */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
283 if ((mdst(gamestate->board, move) == 0 && move->capture) ||
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
284 (mdst(gamestate->board, move) != 0 && !move->capture)) {
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parents:
diff changeset
285 return INVALID_MOVE_SYNTAX;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
286 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
287
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
288 /* validate individual rules */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
289 _Bool chkrules;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
290 switch (move->piece & PIECE_MASK) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
291 case PAWN:
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
292 chkrules = pawn_chkrules(gamestate, move) &&
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
293 !pawn_isblocked(gamestate, move);
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
294 break;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
295 case ROOK:
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
296 chkrules = rook_chkrules(move) &&
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
297 !rook_isblocked(gamestate, move);
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parents:
diff changeset
298 break;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
299 case KNIGHT:
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
300 chkrules = knight_chkrules(move); /* knight is never blocked */
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parents:
diff changeset
301 break;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
302 case BISHOP:
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
303 chkrules = bishop_chkrules(move) &&
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
304 !bishop_isblocked(gamestate, move);
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
305 break;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
306 case QUEEN:
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
307 chkrules = queen_chkrules(move) &&
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
308 !queen_isblocked(gamestate, move);
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
309 break;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
310 case KING:
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
311 chkrules = king_chkrules(gamestate, move) &&
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
312 !king_isblocked(gamestate, move);
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
313 break;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
314 default:
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
315 return INVALID_MOVE_SYNTAX;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
316 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
317
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
318 return chkrules ? VALID_MOVE_SEMANTICS : RULES_VIOLATED;
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
319 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
320
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
321 int validate_move(GameState *gamestate, Move *move) {
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
322
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
323 int result = validate_move_rules(gamestate, move);
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
324
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
325 /* cancel processing to save resources */
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
326 if (result != VALID_MOVE_SEMANTICS) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
327 return result;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
328 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
329
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
330 /* find kings for check validation */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
331 uint8_t piececolor = (move->piece & COLOR_MASK);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
332
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
333 uint8_t mykingfile = 0, mykingrow = 0, opkingfile = 0, opkingrow = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
334 for (uint8_t row = 0 ; row < 8 ; row++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
335 for (uint8_t file = 0 ; file < 8 ; file++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
336 if (gamestate->board[row][file] ==
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
337 (piececolor == WHITE?WKING:BKING)) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
338 mykingfile = file;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
339 mykingrow = row;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
340 } else if (gamestate->board[row][file] ==
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
341 (piececolor == WHITE?BKING:WKING)) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
342 opkingfile = file;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
343 opkingrow = row;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
344 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
345 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
346 }
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
347
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
348 /* simulate move for check validation */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
349 GameState simulation = gamestate_copy_sim(gamestate);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
350 Move simmove = *move;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
351 apply_move_impl(&simulation, &simmove, 1);
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Mike Becker <universe@uap-core.de>
parents:
diff changeset
352
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
353 /* don't move into or stay in check position */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
354 if (is_covered(&simulation, mykingrow, mykingfile,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
355 opponent_color(piececolor))) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
356
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
357 gamestate_cleanup(&simulation);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
358 if ((move->piece & PIECE_MASK) == KING) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
359 return KING_MOVES_INTO_CHECK;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
360 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
361 /* last move is always not null in this case */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
362 return gamestate->lastmove->move.check ?
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
363 KING_IN_CHECK : PIECE_PINNED;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
364 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
365 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
366
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
367 /* correct check and checkmate flags (move is still valid) */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
368 Move threats[16];
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
369 uint8_t threatcount;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
370 move->check = get_threats(&simulation, opkingrow, opkingfile,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
371 piececolor, threats, &threatcount);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
372
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
373 if (move->check) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
374 /* determine possible escape fields */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
375 _Bool canescape = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
376 for (int dr = -1 ; dr <= 1 && !canescape ; dr++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
377 for (int df = -1 ; df <= 1 && !canescape ; df++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
378 if (!(dr == 0 && df == 0) &&
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
379 isidx(opkingrow + dr) && isidx(opkingfile + df)) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
380
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
381 /* escape field neither blocked nor covered */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
382 if ((simulation.board[opkingrow + dr][opkingfile + df]
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
383 & COLOR_MASK) != opponent_color(piececolor)) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
384 canescape |= !is_covered(&simulation,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
385 opkingrow + dr, opkingfile + df, piececolor);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
386 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
387 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
388 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
389 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
390 /* can't escape, can he capture? */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
391 if (!canescape && threatcount == 1) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
392 canescape = is_attacked(&simulation, threats[0].fromrow,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
393 threats[0].fromfile, opponent_color(piececolor));
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
394 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
395
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
396 /* can't capture, can he block? */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
397 if (!canescape && threatcount == 1) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
398 Move *threat = &(threats[0]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
399 uint8_t threatpiece = threat->piece & PIECE_MASK;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
400
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
401 /* knight, pawns and the king cannot be blocked */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
402 if (threatpiece == BISHOP || threatpiece == ROOK
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
403 || threatpiece == QUEEN) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
404 if (threat->fromrow == threat->torow) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
405 /* rook aspect (on row) */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
406 int d = threat->tofile > threat->fromfile ? 1 : -1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
407 uint8_t file = threat->fromfile;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
408 while (!canescape && file != threat->tofile - d) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
409 file += d;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
410 canescape |= is_protected(&simulation,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
411 threat->torow, file, opponent_color(piececolor));
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
412 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
413 } else if (threat->fromfile == threat->tofile) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
414 /* rook aspect (on file) */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
415 int d = threat->torow > threat->fromrow ? 1 : -1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
416 uint8_t row = threat->fromrow;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
417 while (!canescape && row != threat->torow - d) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
418 row += d;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
419 canescape |= is_protected(&simulation,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
420 row, threat->tofile, opponent_color(piececolor));
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
421 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
422 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
423 /* bishop aspect */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
424 int dr = threat->torow > threat->fromrow ? 1 : -1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
425 int df = threat->tofile > threat->fromfile ? 1 : -1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
426
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
427 uint8_t row = threat->fromrow;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
428 uint8_t file = threat->fromfile;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
429 while (!canescape && file != threat->tofile - df
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
430 && row != threat->torow - dr) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
431 row += dr;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
432 file += df;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
433 canescape |= is_protected(&simulation, row, file,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
434 opponent_color(piececolor));
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
435 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
436 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
437 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
438 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
439
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
440 if (!canescape) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
441 gamestate->checkmate = 1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
442 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
443 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
444
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
445 gamestate_cleanup(&simulation);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
446
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
447 return VALID_MOVE_SEMANTICS;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
448 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
449
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
450 _Bool get_threats(GameState *gamestate, uint8_t row, uint8_t file,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
451 uint8_t color, Move *threats, uint8_t *threatcount) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
452 Move candidates[32];
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
453 int candidatecount = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
454 for (uint8_t r = 0 ; r < 8 ; r++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
455 for (uint8_t f = 0 ; f < 8 ; f++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
456 if ((gamestate->board[r][f] & COLOR_MASK) == color) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
457 // non-capturing move
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
458 memset(&(candidates[candidatecount]), 0, sizeof(Move));
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
459 candidates[candidatecount].piece = gamestate->board[r][f];
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
460 candidates[candidatecount].fromrow = r;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
461 candidates[candidatecount].fromfile = f;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
462 candidates[candidatecount].torow = row;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
463 candidates[candidatecount].tofile = file;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
464 candidatecount++;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
465
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
466 // capturing move
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
467 memcpy(&(candidates[candidatecount]),
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
468 &(candidates[candidatecount-1]), sizeof(Move));
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
469 candidates[candidatecount].capture = 1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
470 candidatecount++;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
471 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
472 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
473 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
474
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
475 if (threatcount) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
476 *threatcount = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
477 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
478
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
479
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
480 _Bool result = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
481
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
482 for (int i = 0 ; i < candidatecount ; i++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
483 if (validate_move_rules(gamestate, &(candidates[i]))
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
484 == VALID_MOVE_SEMANTICS) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
485 result = 1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
486 if (threats && threatcount) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
487 threats[(*threatcount)++] = candidates[i];
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
488 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
489 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
490 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
491
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
492 return result;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
493 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
494
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
495 _Bool is_pinned(GameState *gamestate, Move *move) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
496 uint8_t color = move->piece & COLOR_MASK;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
497
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
498 uint8_t kingfile = 0, kingrow = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
499 for (uint8_t row = 0 ; row < 8 ; row++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
500 for (uint8_t file = 0 ; file < 8 ; file++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
501 if (gamestate->board[row][file] == (color|KING)) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
502 kingfile = file;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
503 kingrow = row;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
504 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
505 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
506 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
507
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
508 GameState simulation = gamestate_copy_sim(gamestate);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
509 Move simmove = *move;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
510 apply_move(&simulation, &simmove);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
511 _Bool covered = is_covered(&simulation,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
512 kingrow, kingfile, opponent_color(color));
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
513 gamestate_cleanup(&simulation);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
514
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
515 return covered;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
516 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
517
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
518 _Bool get_real_threats(GameState *gamestate, uint8_t row, uint8_t file,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
519 uint8_t color, Move *threats, uint8_t *threatcount) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
520
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
521 if (threatcount) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
522 *threatcount = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
523 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
524
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
525 Move candidates[16];
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
526 uint8_t candidatecount;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
527 if (get_threats(gamestate, row, file, color, candidates, &candidatecount)) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
528
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
529 _Bool result = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
530 uint8_t kingfile = 0, kingrow = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
531 for (uint8_t row = 0 ; row < 8 ; row++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
532 for (uint8_t file = 0 ; file < 8 ; file++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
533 if (gamestate->board[row][file] == (color|KING)) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
534 kingfile = file;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
535 kingrow = row;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
536 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
537 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
538 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
539
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
540 for (uint8_t i = 0 ; i < candidatecount ; i++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
541 GameState simulation = gamestate_copy_sim(gamestate);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
542 Move simmove = candidates[i];
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
543 apply_move(&simulation, &simmove);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
544 if (!is_covered(&simulation, kingrow, kingfile,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
545 opponent_color(color))) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
546 result = 1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
547 if (threats && threatcount) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
548 threats[(*threatcount)++] = candidates[i];
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
549 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
550 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
551 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
552
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
553 return result;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
554 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
555 return 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
556 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
557 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
558
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
559 static int getlocation(GameState *gamestate, Move *move) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
560
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
561 uint8_t color = move->piece & COLOR_MASK;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
562 _Bool incheck = gamestate->lastmove?gamestate->lastmove->move.check:0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
563
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
564 Move threats[16], *threat = NULL;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
565 uint8_t threatcount;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
566
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
567 if (get_threats(gamestate, move->torow, move->tofile, color,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
568 threats, &threatcount)) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
569
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
570 int reason = INVALID_POSITION;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
571
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
572 // find threats for the specified position
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
573 for (uint8_t i = 0 ; i < threatcount ; i++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
574 if ((threats[i].piece & (PIECE_MASK | COLOR_MASK))
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
575 == move->piece &&
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
576 (move->fromrow == POS_UNSPECIFIED ||
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
577 move->fromrow == threats[i].fromrow) &&
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
578 (move->fromfile == POS_UNSPECIFIED ||
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
579 move->fromfile == threats[i].fromfile)) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
580
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
581 if (threat) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
582 return AMBIGUOUS_MOVE;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
583 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
584 // found threat is no real threat
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
585 if (is_pinned(gamestate, &(threats[i]))) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
586 reason = incheck?KING_IN_CHECK:PIECE_PINNED;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
587 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
588 threat = &(threats[i]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
589 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
590 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
591 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
592 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
593
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
594 // can't threaten specified position
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
595 if (!threat) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
596 return reason;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
597 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
598
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
599 memcpy(move, threat, sizeof(Move));
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
600 return VALID_MOVE_SYNTAX;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
601 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
602 return INVALID_POSITION;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
603 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
604 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
605
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
606 int eval_move(GameState *gamestate, char *mstr, Move *move, uint8_t color) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
607 memset(move, 0, sizeof(Move));
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
608 move->fromfile = POS_UNSPECIFIED;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
609 move->fromrow = POS_UNSPECIFIED;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
610
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
611 size_t len = strlen(mstr);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
612 if (len < 1 || len > 6) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
613 return INVALID_MOVE_SYNTAX;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
614 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
615
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
616 /* evaluate check/checkmate flags */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
617 if (mstr[len-1] == '+') {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
618 len--; mstr[len] = '\0';
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
619 move->check = 1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
620 } else if (mstr[len-1] == '#') {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
621 len--; mstr[len] = '\0';
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
622 /* ignore - validation should set game state */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
623 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
624
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
625 /* evaluate promotion */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
626 if (len > 3 && mstr[len-2] == '=') {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
627 move->promotion = getpiece(mstr[len-1]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
628 if (!move->promotion) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
629 return INVALID_MOVE_SYNTAX;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
630 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
631 move->promotion |= color;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
632 len -= 2;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
633 mstr[len] = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
634 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
635 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
636
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
637 if (len == 2) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
638 /* pawn move (e.g. "e4") */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
639 move->piece = PAWN;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
640 move->tofile = fileidx(mstr[0]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
641 move->torow = rowidx(mstr[1]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
642 } else if (len == 3) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
643 if (strcmp(mstr, "O-O") == 0) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
644 /* king side castling */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
645 move->piece = KING;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
646 move->fromfile = fileidx('e');
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
647 move->tofile = fileidx('g');
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
648 move->fromrow = move->torow = color == WHITE ? 0 : 7;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
649 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
650 /* move (e.g. "Nf3") */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
651 move->piece = getpiece(mstr[0]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
652 move->tofile = fileidx(mstr[1]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
653 move->torow = rowidx(mstr[2]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
654 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
655 } else if (len == 4) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
656 move->piece = getpiece(mstr[0]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
657 if (!move->piece) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
658 move->piece = PAWN;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
659 move->fromfile = fileidx(mstr[0]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
660 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
661 if (mstr[1] == 'x') {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
662 /* capture (e.g. "Nxf3", "dxe5") */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
663 move->capture = 1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
664 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
665 /* move (e.g. "Ndf3", "N2c3", "e2e4") */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
666 if (isfile(mstr[1])) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
667 move->fromfile = fileidx(mstr[1]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
668 if (move->piece == PAWN) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
669 move->piece = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
670 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
671 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
672 move->fromrow = rowidx(mstr[1]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
673 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
674 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
675 move->tofile = fileidx(mstr[2]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
676 move->torow = rowidx(mstr[3]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
677 } else if (len == 5) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
678 if (strcmp(mstr, "O-O-O") == 0) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
679 /* queen side castling "O-O-O" */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
680 move->piece = KING;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
681 move->fromfile = fileidx('e');
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
682 move->tofile = fileidx('c');
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
683 move->fromrow = move->torow = color == WHITE ? 0 : 7;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
684 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
685 move->piece = getpiece(mstr[0]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
686 if (mstr[2] == 'x') {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
687 move->capture = 1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
688 if (move->piece) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
689 /* capture (e.g. "Ndxf3") */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
690 move->fromfile = fileidx(mstr[1]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
691 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
692 /* long notation capture (e.g. "e5xf6") */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
693 move->piece = PAWN;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
694 move->fromfile = fileidx(mstr[0]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
695 move->fromrow = rowidx(mstr[1]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
696 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
697 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
698 /* long notation move (e.g. "Nc5a4") */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
699 move->fromfile = fileidx(mstr[1]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
700 move->fromrow = rowidx(mstr[2]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
701 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
702 move->tofile = fileidx(mstr[3]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
703 move->torow = rowidx(mstr[4]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
704 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
705 } else if (len == 6) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
706 /* long notation capture (e.g. "Nc5xf3") */
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
707 if (mstr[3] == 'x') {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
708 move->capture = 1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
709 move->piece = getpiece(mstr[0]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
710 move->fromfile = fileidx(mstr[1]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
711 move->fromrow = rowidx(mstr[2]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
712 move->tofile = fileidx(mstr[4]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
713 move->torow = rowidx(mstr[5]);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
714 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
715 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
716
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
717
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
718 if (move->piece) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
719 if (move->piece == PAWN
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
720 && move->torow == (color==WHITE?7:0)
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
721 && !move->promotion) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
722 return NEED_PROMOTION;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
723 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
724
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
725 move->piece |= color;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
726 if (move->fromfile == POS_UNSPECIFIED
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
727 || move->fromrow == POS_UNSPECIFIED) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
728 return getlocation(gamestate, move);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
729 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
730 return chkidx(move) ? VALID_MOVE_SYNTAX : INVALID_POSITION;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
731 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
732 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
733 return INVALID_MOVE_SYNTAX;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
734 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
735 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
736
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
737 _Bool is_protected(GameState *gamestate, uint8_t row, uint8_t file,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
738 uint8_t color) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
739
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
740 Move threats[16];
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
741 uint8_t threatcount;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
742 if (get_real_threats(gamestate, row, file, color, threats, &threatcount)) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
743 for (int i = 0 ; i < threatcount ; i++) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
744 if (threats[i].piece != (color|KING)) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
745 return 1;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
746 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
747 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
748 return 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
749 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
750 return 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
751 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
752 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
753
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
754 uint16_t remaining_movetime(GameInfo *gameinfo, GameState *gamestate,
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
755 uint8_t color) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
756 if (!gameinfo->timecontrol) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
757 return 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
758 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
759
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
760 if (gamestate->movelist) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
761 uint16_t time = gameinfo->time;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
762 suseconds_t micros = 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
763
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
764 MoveList *movelist = color == WHITE ?
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
765 gamestate->movelist : gamestate->movelist->next;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
766
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
767 while (movelist) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
768 time += gameinfo->addtime;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
769
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
770 struct movetimeval *movetime = &(movelist->move.movetime);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
771 if (movetime->tv_sec >= time) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
772 return 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
773 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
774
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
775 time -= movetime->tv_sec;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
776 micros += movetime->tv_usec;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
777
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
778 movelist = movelist->next ? movelist->next->next : NULL;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
779 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
780
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
781 time_t sec;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
782 movelist = gamestate->lastmove;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
783 if ((movelist->move.piece & COLOR_MASK) != color) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
784 struct movetimeval *lastmovetstamp = &(movelist->move.timestamp);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
785 struct timeval currenttstamp;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
786 gettimeofday(&currenttstamp, NULL);
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
787 micros += currenttstamp.tv_usec - lastmovetstamp->tv_usec;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
788 sec = currenttstamp.tv_sec - lastmovetstamp->tv_sec;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
789 if (sec >= time) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
790 return 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
791 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
792
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
793 time -= sec;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
794 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
795
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
796 sec = micros / 1e6L;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
797
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
798 if (sec >= time) {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
799 return 0;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
800 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
801
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
802 time -= sec;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
803
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
804 return time;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
805 } else {
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
806 return gameinfo->time;
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
807 }
f82aa7afe872 more and better test cases + fixed memory leak introduced by changeset e43dee5892f4
Mike Becker <universe@uap-core.de>
parents:
diff changeset
808 }

mercurial