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-rw-r--r--src/cttei.c242
1 files changed, 121 insertions, 121 deletions
diff --git a/src/cttei.c b/src/cttei.c
index a663359..aae1045 100644
--- a/src/cttei.c
+++ b/src/cttei.c
@@ -1,20 +1,20 @@
/*
- cttei, a TEI interface to the ct library & its computer opponent
+ cttei, a TEI interface to the ct library & its computer opponent
- Copyright (C) 2021, tslil clingman
+ Copyright (C) 2021, tslil clingman
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <https://www.gnu.org/licenses/>.
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
@@ -28,11 +28,11 @@
// Set up output function for negamax
inline void
negamax_display_progress(const uint8_t cur_depth,
- const uint8_t init_depth,
- const uint32_t length) {
- (void)(cur_depth);
- (void)(init_depth);
- (void)(length);
+ const uint8_t init_depth,
+ const uint32_t length) {
+ (void)(cur_depth);
+ (void)(init_depth);
+ (void)(length);
}
enum TEI_RETURN { TEI_QUIT, TEI_OK, TEI_FAILURE };
@@ -40,63 +40,63 @@ enum TEI_RETURN { TEI_QUIT, TEI_OK, TEI_FAILURE };
// expects ``(startpos|tps <tps>) moves <ptn>''
static enum TEI_RETURN
parse_position_string(char *line) {
- // Find the word ``moves''
- char *beg = strstr(line, "moves");
-
- if (!strncasecmp(line, "tps", 3)) {
- // Split the string on the space before moves
- if (beg) *(beg-1) = 0;
- // so that we can load it as a TPS description
- load_tps(line + 4);
- } else if (!strncasecmp(line, "startpos", 8)) {
- reset_state(board_size);
- } else {
- return TEI_FAILURE;
- }
-
- if (beg == NULL) return TEI_OK;
-
- // parse the PTN sequence
- strtok(beg, " ");
- char *ptn = strtok(NULL, " ");
- while (ptn != NULL) {
- if (do_ptn(ptn) != ACT_OK) return TEI_FAILURE;
- ptn = strtok(NULL, " ");
- }
-
- return TEI_OK;
+ // Find the word ``moves''
+ char *beg = strstr(line, "moves");
+
+ if (!strncasecmp(line, "tps", 3)) {
+ // Split the string on the space before moves
+ if (beg) *(beg-1) = 0;
+ // so that we can load it as a TPS description
+ load_tps(line + 4);
+ } else if (!strncasecmp(line, "startpos", 8)) {
+ reset_state(board_size);
+ } else {
+ return TEI_FAILURE;
+ }
+
+ if (beg == NULL) return TEI_OK;
+
+ // parse the PTN sequence
+ strtok(beg, " ");
+ char *ptn = strtok(NULL, " ");
+ while (ptn != NULL) {
+ if (do_ptn(ptn) != ACT_OK) return TEI_FAILURE;
+ ptn = strtok(NULL, " ");
+ }
+
+ return TEI_OK;
}
static enum TEI_RETURN
handle_tei(char *line) {
- if (!strcmp(line, "quit")) {
- return TEI_QUIT;
- } if (!strcmp(line, "isready")) {
- puts("readyok");
- } else if (!strncmp(line, "setoption Depth value ", 22)) {
- negamax_search_depth = atoi(line + 23);
- } else if (!strncmp(line, "go", 2)) {
- // TODO: for now we ignore all of the parameters
- float minimax = negamax_generate();
- enum ACT_RESULT r = do_ptn(negamax_ptn);
- if (r != ACT_OK && r != GAME_END) return TEI_FAILURE;
- printf("info score cp %f pv %s\nbestmove %s\n",
- minimax, negamax_ptn, negamax_ptn);
- } else if (!strncmp(line, "position", 8)) {
- return parse_position_string(line + 9);
- } else if (!strncmp(line, "teinewgame", 10)) {
- if (line[11] != '5') return TEI_FAILURE;
- const uint8_t size = atoi(line + 11);
- if (size != board_size) {
- negamax_free();
- reset_state(size);
- negamax_init(size);
- } else {
- reset_state(size);
- }
- }
- fflush(stdout);
- return TEI_OK;
+ if (!strcmp(line, "quit")) {
+ return TEI_QUIT;
+ } if (!strcmp(line, "isready")) {
+ puts("readyok");
+ } else if (!strncmp(line, "setoption Depth value ", 22)) {
+ negamax_search_depth = atoi(line + 23);
+ } else if (!strncmp(line, "go", 2)) {
+ // TODO: for now we ignore all of the parameters
+ float minimax = negamax_generate();
+ enum ACT_RESULT r = do_ptn(negamax_ptn);
+ if (r != ACT_OK && r != GAME_END) return TEI_FAILURE;
+ printf("info score cp %f pv %s\nbestmove %s\n",
+ minimax, negamax_ptn, negamax_ptn);
+ } else if (!strncmp(line, "position", 8)) {
+ return parse_position_string(line + 9);
+ } else if (!strncmp(line, "teinewgame", 10)) {
+ if (line[11] != '5') return TEI_FAILURE;
+ const uint8_t size = atoi(line + 11);
+ if (size != board_size) {
+ negamax_free();
+ reset_state(size);
+ negamax_init(size);
+ } else {
+ reset_state(size);
+ }
+ }
+ fflush(stdout);
+ return TEI_OK;
}
const char* license = "cttei, a TEI interface to the ct library & its computer opponent\n\
@@ -106,58 +106,58 @@ Copyright (C) 2021, tslil clingman\n\
This program comes with ABSOLUTELY NO WARRANTY; and is made available under the terms of the GNU GPL v3 license. This is free software, and you are welcome to redistribute it under certain conditions; see COPYING for details.\n";
int main(int argc, char **argv) {
- (void)(argc);
- (void)(argv);
-
- puts(license);
-
- char *line = NULL;
- ssize_t read = -1;
- size_t alloc_size;
-
- // Wait for tei
- while ((read = getline(&line, &alloc_size, stdin))) {
- if (read > 0 && !strncmp("tei", line, 3)) {
- break;
- } else return EXIT_FAILURE;
- }
-
- if (line) free(line);
- line = NULL;
-
- // Identify ourselves, and send the options
- puts("id name cttei");
- puts("id author tslil clingman");
- puts("option name Depth type spin default 4 min 2 max 6");
- puts("teiok");
- fflush(stdout);
-
- // Set default option
- negamax_search_depth = 4;
- negamax_init(5);
- reset_state(5);
-
- for (int playing = 1; playing;) {
- if ((read = getline(&line, &alloc_size, stdin)) > 0) {
- line[read-1] = 0;
- switch (handle_tei(line)) {
- case TEI_FAILURE: return EXIT_FAILURE;
- case TEI_QUIT: playing = 0; // fall-through
- case TEI_OK: {
- if (line) {
- free(line);
- line = NULL;
- }
- break;
- }
- }
- } else {
- break;
- }
+ (void)(argc);
+ (void)(argv);
+
+ puts(license);
+
+ char *line = NULL;
+ ssize_t read = -1;
+ size_t alloc_size;
+
+ // Wait for tei
+ while ((read = getline(&line, &alloc_size, stdin))) {
+ if (read > 0 && !strncmp("tei", line, 3)) {
+ break;
+ } else return EXIT_FAILURE;
+ }
+
+ if (line) free(line);
+ line = NULL;
+
+ // Identify ourselves, and send the options
+ puts("id name cttei");
+ puts("id author tslil clingman");
+ puts("option name Depth type spin default 4 min 2 max 6");
+ puts("teiok");
+ fflush(stdout);
+
+ // Set default option
+ negamax_search_depth = 4;
+ negamax_init(5);
+ reset_state(5);
+
+ for (int playing = 1; playing;) {
+ if ((read = getline(&line, &alloc_size, stdin)) > 0) {
+ line[read-1] = 0;
+ switch (handle_tei(line)) {
+ case TEI_FAILURE: return EXIT_FAILURE;
+ case TEI_QUIT: playing = 0; // fall-through
+ case TEI_OK: {
+ if (line) {
+ free(line);
+ line = NULL;
+ }
+ break;
}
+ }
+ } else {
+ break;
+ }
+ }
- if (line) free(line);
- negamax_free();
+ if (line) free(line);
+ negamax_free();
- return EXIT_SUCCESS;
+ return EXIT_SUCCESS;
}
generated by cgit v1.2.3 (git 2.46.0) at 2026-08-30 09:46:56 +0000