| 1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ |
| 2 | * This is GNU Go, a Go program. Contact gnugo@gnu.org, or see * |
| 3 | * http://www.gnu.org/software/gnugo/ for more information. * |
| 4 | * * |
| 5 | * Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, * |
| 6 | * 2008 and 2009 by the Free Software Foundation. * |
| 7 | * * |
| 8 | * This program is free software; you can redistribute it and/or * |
| 9 | * modify it under the terms of the GNU General Public License as * |
| 10 | * published by the Free Software Foundation - version 3 or * |
| 11 | * (at your option) any later version. * |
| 12 | * * |
| 13 | * This program is distributed in the hope that it will be useful, * |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 16 | * GNU General Public License in file COPYING for more details. * |
| 17 | * * |
| 18 | * You should have received a copy of the GNU General Public * |
| 19 | * License along with this program; if not, write to the Free * |
| 20 | * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * |
| 21 | * Boston, MA 02111, USA. * |
| 22 | \* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 23 | |
| 24 | #include "gnugo.h" |
| 25 | #include "liberty.h" |
| 26 | |
| 27 | #include <stdio.h> |
| 28 | #include <stdlib.h> |
| 29 | #include <assert.h> |
| 30 | |
| 31 | #include "interface.h" |
| 32 | #include "gmp.h" |
| 33 | #include "sgftree.h" |
| 34 | #include "gg_utils.h" |
| 35 | |
| 36 | /* --------------------------------------------------------------*/ |
| 37 | /* Play a game against a go-modem-protocol (GMP) client. */ |
| 38 | /* --------------------------------------------------------------*/ |
| 39 | void |
| 40 | play_gmp(Gameinfo *gameinfo, int simplified) |
| 41 | { |
| 42 | SGFTree sgftree; |
| 43 | |
| 44 | Gmp *ge; |
| 45 | GmpResult message; |
| 46 | const char *error; |
| 47 | |
| 48 | int i, j; |
| 49 | int passes = 0; /* two passes and its over */ |
| 50 | int to_move; /* who's turn is next ? */ |
| 51 | |
| 52 | int mycolor = -1; /* who has which color */ |
| 53 | int yourcolor; |
| 54 | |
| 55 | if (gameinfo->computer_player == WHITE) |
| 56 | mycolor = 1; |
| 57 | else if (gameinfo->computer_player == BLACK) |
| 58 | mycolor = 0; |
| 59 | |
| 60 | sgftree_clear(&sgftree); |
| 61 | sgftreeCreateHeaderNode(&sgftree, board_size, komi, gameinfo->handicap); |
| 62 | |
| 63 | ge = gmp_create(0, 1); |
| 64 | TRACE("board size=%d\n", board_size); |
| 65 | |
| 66 | /* |
| 67 | * The specification of the go modem protocol doesn't even discuss |
| 68 | * komi. So we have to guess the komi. If the komi is set on the |
| 69 | * command line, keep it. Otherwise, its value will be 0.0 and we |
| 70 | * use 5.5 in an even game, 0.5 otherwise. |
| 71 | */ |
| 72 | if (komi == 0.0) { |
| 73 | if (gameinfo->handicap == 0) |
| 74 | komi = 5.5; |
| 75 | else |
| 76 | komi = 0.5; |
| 77 | } |
| 78 | |
| 79 | if (!simplified) { |
| 80 | /* Leave all the -1's so the client can negotiate the game parameters. */ |
| 81 | if (chinese_rules) |
| 82 | gmp_startGame(ge, -1, -1, 5.5, -1, mycolor, 0); |
| 83 | else |
| 84 | gmp_startGame(ge, -1, -1, 5.5, 0, mycolor, 0); |
| 85 | } |
| 86 | else { |
| 87 | gmp_startGame(ge, board_size, gameinfo->handicap, |
| 88 | komi, chinese_rules, mycolor, 1); |
| 89 | } |
| 90 | |
| 91 | do { |
| 92 | message = gmp_check(ge, 1, NULL, NULL, &error); |
| 93 | } while (message == gmp_nothing || message == gmp_reset); |
| 94 | |
| 95 | if (message == gmp_err) { |
| 96 | fprintf(stderr, "gnugo-gmp: Error \"%s\" occurred.\n", error); |
| 97 | exit(EXIT_FAILURE); |
| 98 | } |
| 99 | else if (message != gmp_newGame) { |
| 100 | fprintf(stderr, "gnugo-gmp: Expecting a newGame, got %s\n", |
| 101 | gmp_resultString(message)); |
| 102 | exit(EXIT_FAILURE); |
| 103 | } |
| 104 | |
| 105 | gameinfo->handicap = gmp_handicap(ge); |
| 106 | if (!check_boardsize(gmp_size(ge), stderr)) |
| 107 | exit(EXIT_FAILURE); |
| 108 | |
| 109 | gnugo_clear_board(gmp_size(ge)); |
| 110 | |
| 111 | /* Let's pretend GMP knows about komi in case something will ever change. */ |
| 112 | komi = gmp_komi(ge); |
| 113 | |
| 114 | #if ORACLE |
| 115 | if (metamachine && oracle_exists) |
| 116 | oracle_clear_board(board_size); |
| 117 | #endif |
| 118 | |
| 119 | sgfOverwritePropertyInt(sgftree.root, "SZ", board_size); |
| 120 | |
| 121 | TRACE("size=%d, handicap=%d, komi=%f\n", board_size, |
| 122 | gameinfo->handicap, komi); |
| 123 | |
| 124 | if (gameinfo->handicap) |
| 125 | to_move = WHITE; |
| 126 | else |
| 127 | to_move = BLACK; |
| 128 | |
| 129 | if (gmp_iAmWhite(ge)) { |
| 130 | mycolor = WHITE; /* computer white */ |
| 131 | yourcolor = BLACK; /* human black */ |
| 132 | } |
| 133 | else { |
| 134 | mycolor = BLACK; |
| 135 | yourcolor = WHITE; |
| 136 | } |
| 137 | |
| 138 | gameinfo->computer_player = mycolor; |
| 139 | sgf_write_header(sgftree.root, 1, get_random_seed(), komi, |
| 140 | gameinfo->handicap, get_level(), chinese_rules); |
| 141 | gameinfo->handicap = gnugo_sethand(gameinfo->handicap, sgftree.root); |
| 142 | sgfOverwritePropertyInt(sgftree.root, "HA", gameinfo->handicap); |
| 143 | |
| 144 | /* main GMP loop */ |
| 145 | while (passes < 2) { |
| 146 | |
| 147 | if (to_move == yourcolor) { |
| 148 | int move; |
| 149 | /* Get opponent's move from gmp client. */ |
| 150 | message = gmp_check(ge, 1, &j, &i, &error); |
| 151 | |
| 152 | if (message == gmp_err) { |
| 153 | fprintf(stderr, "GNU Go: Sorry, error from gmp client\n"); |
| 154 | sgftreeAddComment(&sgftree, "got error from gmp client"); |
| 155 | sgffile_output(&sgftree); |
| 156 | return; |
| 157 | } |
| 158 | |
| 159 | if (message == gmp_undo) { |
| 160 | int k; |
| 161 | assert(j > 0); |
| 162 | |
| 163 | for (k = 0; k < j; k++) { |
| 164 | if (!undo_move(1)) { |
| 165 | fprintf(stderr, "GNU Go: play_gmp UNDO: can't undo %d moves\n", |
| 166 | j - k); |
| 167 | break; |
| 168 | } |
| 169 | sgftreeAddComment(&sgftree, "undone"); |
| 170 | sgftreeBack(&sgftree); |
| 171 | to_move = OTHER_COLOR(to_move); |
| 172 | } |
| 173 | continue; |
| 174 | } |
| 175 | |
| 176 | if (message == gmp_pass) { |
| 177 | passes++; |
| 178 | move = PASS_MOVE; |
| 179 | } |
| 180 | else { |
| 181 | passes = 0; |
| 182 | move = POS(i, j); |
| 183 | } |
| 184 | |
| 185 | TRACE("\nyour move: %1m\n\n", move); |
| 186 | sgftreeAddPlay(&sgftree, to_move, I(move), J(move)); |
| 187 | gnugo_play_move(move, yourcolor); |
| 188 | sgffile_output(&sgftree); |
| 189 | |
| 190 | } |
| 191 | else { |
| 192 | /* Generate my next move. */ |
| 193 | float move_value; |
| 194 | int move; |
| 195 | if (autolevel_on) |
| 196 | adjust_level_offset(mycolor); |
| 197 | move = genmove(mycolor, &move_value, NULL); |
| 198 | gnugo_play_move(move, mycolor); |
| 199 | sgffile_add_debuginfo(sgftree.lastnode, move_value); |
| 200 | |
| 201 | if (is_pass(move)) { |
| 202 | /* pass */ |
| 203 | sgftreeAddPlay(&sgftree, to_move, -1, -1); |
| 204 | gmp_sendPass(ge); |
| 205 | ++passes; |
| 206 | } |
| 207 | else { |
| 208 | /* not pass */ |
| 209 | sgftreeAddPlay(&sgftree, to_move, I(move), J(move)); |
| 210 | gmp_sendMove(ge, J(move), I(move)); |
| 211 | passes = 0; |
| 212 | TRACE("\nmy move: %1m\n\n", move); |
| 213 | } |
| 214 | sgffile_add_debuginfo(sgftree.lastnode, 0.0); |
| 215 | sgffile_output(&sgftree); |
| 216 | } |
| 217 | |
| 218 | to_move = OTHER_COLOR(to_move); |
| 219 | } |
| 220 | |
| 221 | /* two passes: game over */ |
| 222 | gmp_sendPass(ge); |
| 223 | |
| 224 | if (!quiet) |
| 225 | fprintf(stderr, "Game over - waiting for client to shut us down\n"); |
| 226 | who_wins(mycolor, stderr); |
| 227 | |
| 228 | if (showtime) { |
| 229 | gprintf("\nSLOWEST MOVE: %d at %1m ", slowest_movenum, slowest_move); |
| 230 | fprintf(stderr, "(%.2f seconds)\n", slowest_time); |
| 231 | fprintf(stderr, "\nAVERAGE TIME: %.2f seconds per move\n", |
| 232 | total_time / movenum); |
| 233 | fprintf(stderr, "\nTOTAL TIME: %.2f seconds\n", |
| 234 | total_time); |
| 235 | } |
| 236 | |
| 237 | |
| 238 | /* play_gmp() does not return to main(), therefore the score |
| 239 | * writing code is here. |
| 240 | */ |
| 241 | { |
| 242 | float score = gnugo_estimate_score(NULL, NULL); |
| 243 | sgfWriteResult(sgftree.root, score, 1); |
| 244 | } |
| 245 | sgffile_output(&sgftree); |
| 246 | |
| 247 | if (!simplified) { |
| 248 | /* We hang around here until cgoban asks us to go, since |
| 249 | * sometimes cgoban crashes if we exit first. |
| 250 | * |
| 251 | * FIXME: Check if this is still needed. I made it dependand on |
| 252 | * `simplifed' just to avoid changes in GMP mode. |
| 253 | */ |
| 254 | while (1) { |
| 255 | message = gmp_check(ge, 1, &j, &i, &error); |
| 256 | if (!quiet) |
| 257 | fprintf(stderr, "Message %d from gmp\n", message); |
| 258 | if (message == gmp_err) |
| 259 | break; |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | #if ORACLE |
| 264 | if (metamachine && oracle_exists) |
| 265 | dismiss_oracle(); |
| 266 | #endif |
| 267 | |
| 268 | if (!quiet) |
| 269 | fprintf(stderr, "gnugo going down\n"); |
| 270 | } |
| 271 | |
| 272 | /* |
| 273 | * Local Variables: |
| 274 | * tab-width: 8 |
| 275 | * c-basic-offset: 2 |
| 276 | * End: |
| 277 | */ |