Tue, 08 Apr 2014 21:13:28 +0200
fixed some type bugs, uninitialized memory and async input function
universe@6 | 1 | /* |
universe@6 | 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
universe@6 | 3 | * |
universe@6 | 4 | * Copyright 2014 Mike Becker. All rights reserved. |
universe@6 | 5 | * |
universe@6 | 6 | * Redistribution and use in source and binary forms, with or without |
universe@6 | 7 | * modification, are permitted provided that the following conditions are met: |
universe@6 | 8 | * |
universe@6 | 9 | * 1. Redistributions of source code must retain the above copyright |
universe@6 | 10 | * notice, this list of conditions and the following disclaimer. |
universe@6 | 11 | * |
universe@6 | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
universe@6 | 13 | * notice, this list of conditions and the following disclaimer in the |
universe@6 | 14 | * documentation and/or other materials provided with the distribution. |
universe@6 | 15 | * |
universe@6 | 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
universe@6 | 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
universe@6 | 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
universe@6 | 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
universe@6 | 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
universe@6 | 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
universe@6 | 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
universe@6 | 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
universe@6 | 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
universe@6 | 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
universe@6 | 26 | * POSSIBILITY OF SUCH DAMAGE. |
universe@6 | 27 | * |
universe@6 | 28 | */ |
universe@6 | 29 | |
universe@6 | 30 | #include "game.h" |
universe@19 | 31 | #include "network.h" |
universe@7 | 32 | #include "input.h" |
universe@7 | 33 | #include <ncurses.h> |
universe@7 | 34 | #include <string.h> |
universe@30 | 35 | #include <inttypes.h> |
universe@7 | 36 | |
universe@7 | 37 | static const uint8_t boardx = 10, boardy = 10; |
universe@7 | 38 | |
universe@30 | 39 | static void draw_time(GameState *gamestate, GameInfo *gameinfo) { |
universe@30 | 40 | if (gameinfo->timecontrol) { |
universe@30 | 41 | // TODO: correct time display |
universe@30 | 42 | |
universe@30 | 43 | uint16_t whitem = gameinfo->time / 60; |
universe@30 | 44 | uint16_t whites = gameinfo->time % 60; |
universe@30 | 45 | uint16_t blackm = gameinfo->time / 60; |
universe@30 | 46 | uint16_t blacks = gameinfo->time % 60; |
universe@30 | 47 | |
universe@30 | 48 | mvprintw(boardy+4, boardx-1, |
universe@30 | 49 | "White time: %4" PRIu16 ":%02" PRIu16, whitem, whites); |
universe@30 | 50 | mvprintw(boardy+5, boardx-1, |
universe@30 | 51 | "Black time: %4" PRIu16 ":%02" PRIu16, blackm, blacks); |
universe@30 | 52 | } |
universe@30 | 53 | } |
universe@30 | 54 | |
universe@23 | 55 | static void draw_board(GameState *gamestate) { |
universe@7 | 56 | for (uint8_t y = 0 ; y < 8 ; y++) { |
universe@7 | 57 | for (uint8_t x = 0 ; x < 8 ; x++) { |
universe@23 | 58 | uint8_t col = gamestate->board[y][x] & COLOR_MASK; |
universe@23 | 59 | uint8_t piece = gamestate->board[y][x] & PIECE_MASK; |
universe@18 | 60 | char piecec; |
universe@18 | 61 | if (piece) { |
universe@18 | 62 | piecec = piece == PAWN ? 'P' : getpiecechr(piece); |
universe@18 | 63 | } else { |
universe@18 | 64 | piecec = ' '; |
universe@7 | 65 | } |
universe@7 | 66 | |
universe@7 | 67 | attrset((col == WHITE ? A_BOLD : A_DIM) | |
universe@7 | 68 | COLOR_PAIR((y&1)==(x&1) ? COL_WB : COL_BW)); |
universe@7 | 69 | |
universe@23 | 70 | int cy = gamestate->mycolor == WHITE ? boardy-y : boardy-7+y; |
universe@23 | 71 | int cx = gamestate->mycolor == WHITE ? boardx+x*3 : boardx+21-x*3; |
universe@8 | 72 | mvaddch(cy, cx, ' '); |
universe@8 | 73 | mvaddch(cy, cx+1, piecec); |
universe@8 | 74 | mvaddch(cy, cx+2, ' '); |
universe@7 | 75 | } |
universe@7 | 76 | } |
universe@7 | 77 | |
universe@7 | 78 | attrset(A_NORMAL); |
universe@7 | 79 | for (uint8_t i = 0 ; i < 8 ; i++) { |
universe@23 | 80 | int x = gamestate->mycolor == WHITE ? boardx+i*3+1 : boardx+22-i*3; |
universe@23 | 81 | int y = gamestate->mycolor == WHITE ? boardy-i : boardy-7+i; |
universe@8 | 82 | mvaddch(boardy+1, x, 'a'+i); |
universe@8 | 83 | mvaddch(y, boardx-2, '1'+i); |
universe@7 | 84 | } |
universe@18 | 85 | |
universe@18 | 86 | /* move log */ |
universe@18 | 87 | // TODO: introduce window to avoid bugs with a long move log |
universe@18 | 88 | uint8_t logy = 0; |
universe@18 | 89 | const uint8_t logx = boardx + 30; |
universe@18 | 90 | int logi = 1; |
universe@23 | 91 | MoveList *logelem = gamestate->movelist; |
universe@18 | 92 | |
universe@18 | 93 | while (logelem) { |
universe@18 | 94 | logi++; |
universe@18 | 95 | if (logi % 2 == 0) { |
universe@18 | 96 | if ((logi - 2) % 4 == 0) { |
universe@18 | 97 | logy++; |
universe@23 | 98 | move(logy, logx); |
universe@18 | 99 | } |
universe@18 | 100 | printw("%d. ", logi / 2); |
universe@18 | 101 | } |
universe@18 | 102 | |
universe@18 | 103 | if (logelem) { |
universe@18 | 104 | Move move = logelem->move; |
universe@25 | 105 | if ((move.piece&PIECE_MASK) == KING && |
universe@25 | 106 | abs(move.tofile-move.fromfile) == 2) { |
universe@25 | 107 | addstr(move.tofile==fileidx('c')?"O-O-O":"O-O"); |
universe@25 | 108 | } else { |
universe@25 | 109 | char logstr[] = { |
universe@25 | 110 | getpiecechr(move.piece), |
universe@25 | 111 | filechr(move.fromfile), rowchr(move.fromrow), |
universe@25 | 112 | move.capture ? 'x':'\0', |
universe@25 | 113 | filechr(move.tofile), rowchr(move.torow), |
universe@27 | 114 | move.check ? '+' : (move.promotion ? '=' : '\0'), |
universe@25 | 115 | move.promotion ? getpiecechr(move.promotion) : '\0' |
universe@25 | 116 | }; |
universe@25 | 117 | for (int stri = 0 ; stri < sizeof(logstr) ; stri++) { |
universe@25 | 118 | if (logstr[stri]) { |
universe@25 | 119 | addch(logstr[stri]); |
universe@25 | 120 | } |
universe@18 | 121 | } |
universe@18 | 122 | } |
universe@27 | 123 | if (!logelem->next) { |
universe@27 | 124 | if (gamestate->checkmate) { |
universe@28 | 125 | addstr("\b#"); |
universe@27 | 126 | } else if (gamestate->stalemate) { |
universe@27 | 127 | addstr(" stalemate"); |
universe@27 | 128 | } |
universe@27 | 129 | } |
universe@25 | 130 | addch(' '); |
universe@18 | 131 | |
universe@18 | 132 | logelem = logelem->next; |
universe@18 | 133 | } |
universe@18 | 134 | } |
universe@7 | 135 | } |
universe@7 | 136 | |
universe@26 | 137 | static void eval_move_failed_msg(int code) { |
universe@26 | 138 | switch (code) { |
universe@26 | 139 | case AMBIGUOUS_MOVE: |
universe@26 | 140 | printw("Ambiguous move - please specify the piece to move."); |
universe@26 | 141 | break; |
universe@26 | 142 | case INVALID_POSITION: |
universe@26 | 143 | printw("Cannot find the piece that shall be moved."); |
universe@26 | 144 | break; |
universe@26 | 145 | case NEED_PROMOTION: |
universe@26 | 146 | printw("You need to promote the pawn (append \"=Q\" e.g.)!"); |
universe@26 | 147 | break; |
universe@26 | 148 | default: |
universe@26 | 149 | printw("Can't interpret move - please use algebraic notation."); |
universe@26 | 150 | } |
universe@26 | 151 | } |
universe@26 | 152 | |
universe@30 | 153 | static int domove_singlemachine(GameState *gamestate, GameInfo *gameinfo) { |
universe@26 | 154 | |
universe@26 | 155 | const size_t buflen = 8; |
universe@26 | 156 | char movestr[buflen]; |
universe@31 | 157 | movestr[0] = '\0'; |
universe@26 | 158 | |
universe@26 | 159 | int inputy = getmaxy(stdscr) - 6; |
universe@26 | 160 | while (1) { |
universe@30 | 161 | draw_time(gamestate, gameinfo); |
universe@26 | 162 | move(inputy, 0); |
universe@26 | 163 | printw( |
universe@26 | 164 | "Use chess notation to enter your move.\n" |
universe@26 | 165 | "Or type 'surr' to surrender or 'remis' to end with remis.\n\n" |
universe@26 | 166 | "Type your move: "); |
universe@26 | 167 | clrtoeol(); |
universe@26 | 168 | refresh(); |
universe@30 | 169 | |
universe@30 | 170 | if (asyncgetnstr(movestr, buflen)) { |
universe@30 | 171 | if (strncmp(movestr, "surr", buflen) == 0) { |
universe@30 | 172 | printw("%s surrendered!", |
universe@30 | 173 | gamestate->mycolor==WHITE?"White":"Black"); |
universe@30 | 174 | clrtoeol(); |
universe@30 | 175 | refresh(); |
universe@30 | 176 | return 1; |
universe@30 | 177 | } else if (strncmp(movestr, "remis", buflen) == 0) { |
universe@30 | 178 | printw("Game ends remis."); |
universe@30 | 179 | clrtoeol(); |
universe@30 | 180 | refresh(); |
universe@30 | 181 | return 1; |
universe@30 | 182 | } else { |
universe@30 | 183 | Move move; |
universe@30 | 184 | int eval_result = eval_move(gamestate, movestr, &move); |
universe@30 | 185 | switch (eval_result) { |
universe@30 | 186 | case VALID_MOVE_SYNTAX: |
universe@30 | 187 | if (validate_move(gamestate, &move)) { |
universe@30 | 188 | apply_move(gamestate, &move); |
universe@30 | 189 | if (gamestate->checkmate) { |
universe@30 | 190 | printw("Checkmate!"); |
universe@30 | 191 | clrtoeol(); |
universe@30 | 192 | return 1; |
universe@30 | 193 | } else if (gamestate->stalemate) { |
universe@30 | 194 | printw("Stalemate!"); |
universe@30 | 195 | clrtoeol(); |
universe@30 | 196 | return 1; |
universe@30 | 197 | } else { |
universe@30 | 198 | return 0; |
universe@30 | 199 | } |
universe@26 | 200 | } else { |
universe@30 | 201 | printw("Invalid move."); |
universe@26 | 202 | } |
universe@30 | 203 | break; |
universe@30 | 204 | default: |
universe@30 | 205 | eval_move_failed_msg(eval_result); |
universe@26 | 206 | } |
universe@30 | 207 | clrtoeol(); |
universe@26 | 208 | } |
universe@31 | 209 | movestr[0] = '\0'; /* reset string for next input */ |
universe@26 | 210 | } |
universe@26 | 211 | } |
universe@26 | 212 | } |
universe@8 | 213 | |
universe@23 | 214 | static int sendmove(GameState *gamestate, int opponent) { |
universe@18 | 215 | |
universe@7 | 216 | const size_t buflen = 8; |
universe@8 | 217 | char movestr[buflen]; |
universe@7 | 218 | _Bool remisrejected = FALSE; |
universe@11 | 219 | uint8_t code; |
universe@7 | 220 | |
universe@23 | 221 | int inputy = getmaxy(stdscr) - 6; |
universe@7 | 222 | while (1) { |
universe@18 | 223 | move(inputy, 0); |
universe@7 | 224 | if (remisrejected) { |
universe@7 | 225 | printw( |
universe@7 | 226 | "Use chess notation to enter your move.\n" |
universe@7 | 227 | "Remis offer rejected - type 'surr' to surrender. \n\n" |
universe@7 | 228 | "Type your move: "); |
universe@7 | 229 | } else { |
universe@7 | 230 | printw( |
universe@7 | 231 | "Use chess notation to enter your move.\n" |
universe@7 | 232 | "Or type 'surr' to surrender or 'remis' to offer remis.\n\n" |
universe@7 | 233 | "Type your move: "); |
universe@7 | 234 | } |
universe@7 | 235 | clrtoeol(); |
universe@7 | 236 | refresh(); |
universe@8 | 237 | getnstr(movestr, buflen); |
universe@7 | 238 | |
universe@8 | 239 | if (strncmp(movestr, "surr", buflen) == 0) { |
universe@7 | 240 | printw("You surrendered!"); |
universe@16 | 241 | clrtoeol(); |
universe@8 | 242 | refresh(); |
universe@7 | 243 | net_send_code(opponent, NETCODE_SURRENDER); |
universe@7 | 244 | return 1; |
universe@8 | 245 | } else if (strncmp(movestr, "remis", buflen) == 0) { |
universe@7 | 246 | if (!remisrejected) { |
universe@7 | 247 | net_send_code(opponent, NETCODE_REMIS); |
universe@7 | 248 | printw("Remis offer sent - waiting for acceptance..."); |
universe@7 | 249 | refresh(); |
universe@7 | 250 | if (net_recieve_code(opponent) == NETCODE_ACCEPT) { |
universe@7 | 251 | printw("\rRemis accepted!"); |
universe@7 | 252 | clrtoeol(); |
universe@8 | 253 | refresh(); |
universe@7 | 254 | return 1; |
universe@7 | 255 | } else { |
universe@7 | 256 | remisrejected = TRUE; |
universe@7 | 257 | } |
universe@7 | 258 | } |
universe@7 | 259 | } else { |
universe@8 | 260 | Move move; |
universe@23 | 261 | int eval_result = eval_move(gamestate, movestr, &move); |
universe@16 | 262 | switch (eval_result) { |
universe@18 | 263 | case VALID_MOVE_SYNTAX: |
universe@22 | 264 | net_send_data(opponent, NETCODE_MOVE, &move, sizeof(Move)); |
universe@18 | 265 | code = net_recieve_code(opponent); |
universe@18 | 266 | move.check = code == NETCODE_CHECK; |
universe@27 | 267 | gamestate->checkmate = code == NETCODE_CHECKMATE; |
universe@27 | 268 | gamestate->stalemate = code == NETCODE_STALEMATE; |
universe@18 | 269 | if (code == NETCODE_DECLINE) { |
universe@18 | 270 | printw("Invalid move."); |
universe@18 | 271 | } else { |
universe@23 | 272 | apply_move(gamestate, &move); |
universe@27 | 273 | if (gamestate->checkmate) { |
universe@18 | 274 | printw("Checkmate!"); |
universe@18 | 275 | clrtoeol(); |
universe@18 | 276 | return 1; |
universe@27 | 277 | } else if (gamestate->stalemate) { |
universe@26 | 278 | printw("Stalemate!"); |
universe@26 | 279 | clrtoeol(); |
universe@26 | 280 | return 1; |
universe@14 | 281 | } else { |
universe@18 | 282 | return 0; |
universe@11 | 283 | } |
universe@18 | 284 | } |
universe@18 | 285 | break; |
universe@18 | 286 | default: |
universe@26 | 287 | eval_move_failed_msg(eval_result); |
universe@8 | 288 | } |
universe@16 | 289 | clrtoeol(); |
universe@7 | 290 | } |
universe@7 | 291 | } |
universe@7 | 292 | } |
universe@7 | 293 | |
universe@23 | 294 | static int recvmove(GameState *gamestate, int opponent) { |
universe@7 | 295 | |
universe@23 | 296 | int inputy = getmaxy(stdscr) - 6; |
universe@7 | 297 | while (1) { |
universe@18 | 298 | move(inputy, 0); |
universe@7 | 299 | printw("Awaiting opponent move..."); |
universe@7 | 300 | clrtoeol(); |
universe@7 | 301 | refresh(); |
universe@7 | 302 | |
universe@7 | 303 | // TODO: nonblocking |
universe@7 | 304 | uint32_t code = net_recieve_code(opponent); |
universe@8 | 305 | |
universe@8 | 306 | Move move; |
universe@7 | 307 | switch (code) { |
universe@7 | 308 | case NETCODE_SURRENDER: |
universe@7 | 309 | printw("\rYour opponent surrendered!"); |
universe@7 | 310 | clrtoeol(); |
universe@7 | 311 | return 1; |
universe@7 | 312 | case NETCODE_REMIS: |
universe@7 | 313 | if (prompt_yesno( |
universe@7 | 314 | "\rYour opponent offers remis - do you accept")) { |
universe@7 | 315 | printw("\rRemis accepted!"); |
universe@7 | 316 | clrtoeol(); |
universe@7 | 317 | net_send_code(opponent, NETCODE_ACCEPT); |
universe@7 | 318 | return 1; |
universe@7 | 319 | } else { |
universe@7 | 320 | net_send_code(opponent, NETCODE_DECLINE); |
universe@7 | 321 | } |
universe@7 | 322 | break; |
universe@7 | 323 | case NETCODE_MOVE: |
universe@8 | 324 | net_recieve_data(opponent, &move, sizeof(Move)); |
universe@23 | 325 | if (validate_move(gamestate, &move)) { |
universe@23 | 326 | apply_move(gamestate, &move); |
universe@11 | 327 | if (move.check) { |
universe@11 | 328 | net_send_code(opponent, NETCODE_CHECK); |
universe@27 | 329 | } else if (gamestate->checkmate) { |
universe@11 | 330 | net_send_code(opponent, NETCODE_CHECKMATE); |
universe@26 | 331 | printw("\rCheckmate!"); |
universe@26 | 332 | clrtoeol(); |
universe@26 | 333 | return 1; |
universe@27 | 334 | } else if (gamestate->stalemate) { |
universe@26 | 335 | net_send_code(opponent, NETCODE_STALEMATE); |
universe@26 | 336 | printw("\rStalemate!"); |
universe@26 | 337 | clrtoeol(); |
universe@26 | 338 | return 1; |
universe@11 | 339 | } else { |
universe@11 | 340 | net_send_code(opponent, NETCODE_ACCEPT); |
universe@11 | 341 | } |
universe@8 | 342 | return 0; |
universe@8 | 343 | } else { |
universe@8 | 344 | net_send_code(opponent, NETCODE_DECLINE); |
universe@8 | 345 | } |
universe@7 | 346 | } |
universe@7 | 347 | } |
universe@7 | 348 | } |
universe@6 | 349 | |
universe@26 | 350 | static void init_board(GameState *gamestate) { |
universe@26 | 351 | Board initboard = { |
universe@26 | 352 | {WROOK, WKNIGHT, WBISHOP, WQUEEN, WKING, WBISHOP, WKNIGHT, WROOK}, |
universe@26 | 353 | {WPAWN, WPAWN, WPAWN, WPAWN, WPAWN, WPAWN, WPAWN, WPAWN}, |
universe@26 | 354 | {0, 0, 0, 0, 0, 0, 0, 0}, |
universe@26 | 355 | {0, 0, 0, 0, 0, 0, 0, 0}, |
universe@26 | 356 | {0, 0, 0, 0, 0, 0, 0, 0}, |
universe@26 | 357 | {0, 0, 0, 0, 0, 0, 0, 0}, |
universe@26 | 358 | {BPAWN, BPAWN, BPAWN, BPAWN, BPAWN, BPAWN, BPAWN, BPAWN}, |
universe@26 | 359 | {BROOK, BKNIGHT, BBISHOP, BQUEEN, BKING, BBISHOP, BKNIGHT, BROOK} |
universe@26 | 360 | }; |
universe@26 | 361 | memcpy(gamestate->board, initboard, sizeof(Board)); |
universe@26 | 362 | } |
universe@26 | 363 | |
universe@26 | 364 | void game_start_singlemachine(Settings *settings) { |
universe@26 | 365 | GameState gamestate; |
universe@28 | 366 | memset(&gamestate, 0, sizeof(GameState)); |
universe@26 | 367 | init_board(&gamestate); |
universe@26 | 368 | gamestate.mycolor = WHITE; |
universe@30 | 369 | |
universe@26 | 370 | _Bool running; |
universe@26 | 371 | do { |
universe@26 | 372 | clear(); |
universe@26 | 373 | draw_board(&gamestate); |
universe@30 | 374 | running = !domove_singlemachine(&gamestate, &(settings->gameinfo)); |
universe@26 | 375 | gamestate.mycolor = opponent_color(gamestate.mycolor); |
universe@26 | 376 | } while (running); |
universe@28 | 377 | move(0,0); |
universe@28 | 378 | draw_board(&gamestate); |
universe@26 | 379 | |
universe@26 | 380 | gamestate_cleanup(&gamestate); |
universe@26 | 381 | |
universe@26 | 382 | mvaddstr(getmaxy(stdscr)-1, 0, |
universe@26 | 383 | "Game has ended. Press any key to leave..."); |
universe@26 | 384 | refresh(); |
universe@26 | 385 | getch(); |
universe@26 | 386 | } |
universe@26 | 387 | |
universe@6 | 388 | void game_start(Settings *settings, int opponent) { |
universe@7 | 389 | _Bool myturn = is_server(settings) == |
universe@7 | 390 | (settings->gameinfo.servercolor == WHITE); |
universe@8 | 391 | |
universe@26 | 392 | // TODO: time limit |
universe@23 | 393 | GameState gamestate; |
universe@28 | 394 | memset(&gamestate, 0, sizeof(GameState)); |
universe@26 | 395 | init_board(&gamestate); |
universe@23 | 396 | gamestate.mycolor = myturn ? WHITE:BLACK; |
universe@7 | 397 | |
universe@23 | 398 | _Bool running; |
universe@7 | 399 | do { |
universe@7 | 400 | clear(); |
universe@23 | 401 | draw_board(&gamestate); |
universe@7 | 402 | if (myturn) { |
universe@23 | 403 | running = !sendmove(&gamestate, opponent); |
universe@7 | 404 | } else { |
universe@23 | 405 | running = !recvmove(&gamestate, opponent); |
universe@7 | 406 | flushinp(); // flush any input the user hacked in while waiting |
universe@7 | 407 | } |
universe@11 | 408 | myturn ^= TRUE; |
universe@7 | 409 | } while (running); |
universe@7 | 410 | |
universe@28 | 411 | move(0,0); |
universe@28 | 412 | draw_board(&gamestate); |
universe@28 | 413 | |
universe@23 | 414 | gamestate_cleanup(&gamestate); |
universe@18 | 415 | |
universe@23 | 416 | mvaddstr(getmaxy(stdscr)-1, 0, |
universe@7 | 417 | "Game has ended. Press any key to leave..."); |
universe@26 | 418 | refresh(); |
universe@7 | 419 | getch(); |
universe@6 | 420 | } |