Mercurial > hg > terminal-chess / file comparison
comparison: src/chess/rules.h
src/chess/rules.h
- changeset 161
- 3ff96fec144a
- parent 160
- f87832cba8b8
- child 163
- 2a6d83f4677e
equal
deleted
inserted
replaced
| 160:f87832cba8b8 | 161:3ff96fec144a |
|---|---|
| 148 | 148 |
| 149 #define piece_type(piece) ((piece)&PIECE_MASK) | 149 #define piece_type(piece) ((piece)&PIECE_MASK) |
| 150 #define piece_color(piece) ((piece)&COLOR_MASK) | 150 #define piece_color(piece) ((piece)&COLOR_MASK) |
| 151 #define mkpiece(type,color) ((type)|(color)) | 151 #define mkpiece(type,color) ((type)|(color)) |
| 152 | 152 |
| 153 #define enpassant_threat_add(gamestate, row, file) \ | |
| 154 (gamestate->board[row][file] |= ENPASSANT_THREAT) | |
| 155 #define enpassant_threat_remove(gamestate, row, file) \ | |
| 156 (gamestate->board[row][file] &= ~ENPASSANT_THREAT) | |
| 157 #define enpassant_threat_exists(gamestate, row, file) \ | |
| 158 (gamestate->board[row][file] & ENPASSANT_THREAT) | |
| 159 | |
| 160 #define is_game_running(gamestate) !((gamestate)->checkmate || \ | |
| 161 (gamestate)->wresign || (gamestate)->bresign || (gamestate)->threefold || \ | |
| 162 (gamestate)->stalemate || (gamestate)->remis || (gamestate)->review) | |
| 163 | |
| 164 #define last_move(gamestate) \ | |
| 165 ((gamestate)->moves[(gamestate)->movecount-1]) | |
| 166 | |
| 167 #define POS_UNSPECIFIED UINT8_MAX | 153 #define POS_UNSPECIFIED UINT8_MAX |
| 168 #define mdst(m) (m)->torow, (m)->tofile | 154 #define mdst(m) (m)->torow, (m)->tofile |
| 169 #define msrc(m) (m)->fromrow, (m)->fromfile | 155 #define msrc(m) (m)->fromrow, (m)->fromfile |
| 170 | 156 |
| 171 /** Checks if the index is specified and valid. */ | 157 /** Checks if the index is specified and valid. */ |
| 183 #define filechr(file) (file+'a') | 169 #define filechr(file) (file+'a') |
| 184 | 170 |
| 185 /* secure versions - use, if index is not checked with isidx() */ | 171 /* secure versions - use, if index is not checked with isidx() */ |
| 186 #define fileidx_s(c) (isfile(c)?fileidx(c):POS_UNSPECIFIED) | 172 #define fileidx_s(c) (isfile(c)?fileidx(c):POS_UNSPECIFIED) |
| 187 #define rowidx_s(c) (isrow(c)?rowidx(c):POS_UNSPECIFIED) | 173 #define rowidx_s(c) (isrow(c)?rowidx(c):POS_UNSPECIFIED) |
| 174 | |
| 175 | |
| 176 static inline void enpassant_threat_add(GameState *gamestate, | |
| 177 Row row, File file) { | |
| 178 gamestate->board[row][file] |= ENPASSANT_THREAT; | |
| 179 } | |
| 180 | |
| 181 static inline void enpassant_threat_remove(GameState *gamestate, | |
| 182 Row row, File file) { | |
| 183 gamestate->board[row][file] &= ~ENPASSANT_THREAT; | |
| 184 } | |
| 185 | |
| 186 static inline bool enpassant_threat_exists(const GameState *gamestate, | |
| 187 Row row, File file) { | |
| 188 return gamestate->board[row][file] & ENPASSANT_THREAT; | |
| 189 } | |
| 190 | |
| 191 static inline bool is_game_running(const GameState *gamestate) { | |
| 192 return !(gamestate->checkmate || gamestate->wresign || gamestate->bresign || gamestate->threefold || gamestate->stalemate || gamestate->remis || gamestate->review); | |
| 193 } | |
| 188 | 194 |
| 189 /** | 195 /** |
| 190 * Initializes a game state and prepares the chess board. | 196 * Initializes a game state and prepares the chess board. |
| 191 * @param gamestate the game state to initialize | 197 * @param gamestate the game state to initialize |
| 192 */ | 198 */ |
