Mercurial > hg > terminal-chess / file comparison
comparison: src/chess/rules.c
src/chess/rules.c
- changeset 201
- b61c2b90f19c
- parent 195
- 27d02ccb0cef
equal
deleted
inserted
replaced
| 200:4913bc0ff3e5 | 201:b61c2b90f19c |
|---|---|
| 1080 /* queen side castling "O-O-O" */ | 1080 /* queen side castling "O-O-O" */ |
| 1081 move->piece = mkpiece(KING, color); | 1081 move->piece = mkpiece(KING, color); |
| 1082 move->fromfile = fileidx('e'); | 1082 move->fromfile = fileidx('e'); |
| 1083 move->tofile = fileidx('c'); | 1083 move->tofile = fileidx('c'); |
| 1084 move->fromrank = move->torank = color == WHITE ? 0 : 7; | 1084 move->fromrank = move->torank = color == WHITE ? 0 : 7; |
| 1085 } else if (mstr[2] == '-') { | |
| 1086 /* long notation pawn move with hyphen (e.g. "d4-d5") */ | |
| 1087 if (isfile(mstr[0]) && isrank(mstr[1]) && | |
| 1088 isfile(mstr[3]) && isrank(mstr[4])) { | |
| 1089 move->piece = mkpiece(PAWN, color); | |
| 1090 move->fromfile = fileidx(mstr[0]); | |
| 1091 move->fromrank = rankidx(mstr[1]); | |
| 1092 move->tofile = fileidx(mstr[3]); | |
| 1093 move->torank = rankidx(mstr[4]); | |
| 1094 } else { | |
| 1095 return INVALID_MOVE_SYNTAX; | |
| 1096 } | |
| 1085 } else { | 1097 } else { |
| 1086 move->piece = getpiece(mstr[0], color); | 1098 move->piece = getpiece(mstr[0], color); |
| 1087 if (mstr[2] == 'x') { | 1099 if (mstr[2] == 'x') { |
| 1088 move->capture = true; | 1100 move->capture = true; |
| 1089 if (move->piece) { | 1101 if (move->piece) { |
| 1108 } | 1120 } |
| 1109 move->tofile = fileidx(mstr[3]); | 1121 move->tofile = fileidx(mstr[3]); |
| 1110 move->torank = rankidx(mstr[4]); | 1122 move->torank = rankidx(mstr[4]); |
| 1111 } | 1123 } |
| 1112 } else if (len == 6) { | 1124 } else if (len == 6) { |
| 1113 /* long notation capture (e.g. "Nc5xf3") */ | |
| 1114 if (mstr[3] == 'x') { | 1125 if (mstr[3] == 'x') { |
| 1126 /* long notation capture (e.g. "Nc5xf3") */ | |
| 1115 move->capture = true; | 1127 move->capture = true; |
| 1116 move->piece = getpiece(mstr[0], color); | 1128 move->piece = getpiece(mstr[0], color); |
| 1117 move->fromfile = fileidx(mstr[1]); | 1129 move->fromfile = fileidx(mstr[1]); |
| 1118 move->fromrank = rankidx(mstr[2]); | 1130 move->fromrank = rankidx(mstr[2]); |
| 1119 move->tofile = fileidx(mstr[4]); | 1131 move->tofile = fileidx(mstr[4]); |
| 1120 move->torank = rankidx(mstr[5]); | 1132 move->torank = rankidx(mstr[5]); |
| 1133 } else if (mstr[3] == '-') { | |
| 1134 /* long notation move with hyphen (e.g. "Nb1-c3") */ | |
| 1135 Piece p = getpiece(mstr[0], color); | |
| 1136 if (p != 0 && isfile(mstr[1]) && isrank(mstr[2]) && | |
| 1137 isfile(mstr[4]) && isrank(mstr[5])) { | |
| 1138 move->piece = p; | |
| 1139 move->fromfile = fileidx(mstr[1]); | |
| 1140 move->fromrank = rankidx(mstr[2]); | |
| 1141 move->tofile = fileidx(mstr[4]); | |
| 1142 move->torank = rankidx(mstr[5]); | |
| 1143 } else { | |
| 1144 return INVALID_MOVE_SYNTAX; | |
| 1145 } | |
| 1121 } | 1146 } |
| 1122 } | 1147 } |
| 1123 | 1148 |
| 1124 | 1149 |
| 1125 if (!move->piece) { | 1150 if (!move->piece) { |
