1 /* $NetBSD: score.c,v 1.17 2004/01/27 20:30:30 jsm Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)score.c 8.1 (Berkeley) 5/31/93"; 36 #else 37 __RCSID("$NetBSD: score.c,v 1.17 2004/01/27 20:30:30 jsm Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 # include "robots.h" 42 # include "pathnames.h" 43 44 const char *Scorefile = _PATH_SCORE; 45 46 int Max_per_uid = MAX_PER_UID; 47 48 static SCORE Top[MAXSCORES]; 49 50 static u_int32_t numscores, max_uid; 51 52 static void read_score(int); 53 static void write_score(int); 54 55 /* 56 * read_score: 57 * Read the score file in MI format 58 */ 59 static void 60 read_score(inf) 61 int inf; 62 { 63 SCORE *scp; 64 65 if (read(inf, &max_uid, sizeof max_uid) == sizeof max_uid) { 66 max_uid = ntohl(max_uid); 67 68 read(inf, Top, sizeof Top); 69 for (scp = Top; scp < &Top[MAXSCORES]; scp++) { 70 scp->s_uid = ntohl(scp->s_uid); 71 scp->s_score = ntohl(scp->s_score); 72 scp->s_auto = ntohl(scp->s_auto); 73 scp->s_level = ntohl(scp->s_level); 74 } 75 } 76 else { 77 for (scp = Top; scp < &Top[MAXSCORES]; scp++) 78 scp->s_score = 0; 79 max_uid = Max_per_uid; 80 } 81 } 82 83 /* 84 * write_score: 85 * Write the score file in MI format 86 */ 87 static void 88 write_score(inf) 89 int inf; 90 { 91 SCORE *scp; 92 93 lseek(inf, 0L, SEEK_SET); 94 95 max_uid = htonl(max_uid); 96 write(inf, &max_uid, sizeof max_uid); 97 98 for (scp = Top; scp < &Top[MAXSCORES]; scp++) { 99 scp->s_uid = htonl(scp->s_uid); 100 scp->s_score = htonl(scp->s_score); 101 scp->s_auto = htonl(scp->s_auto); 102 scp->s_level = htonl(scp->s_level); 103 } 104 105 write(inf, Top, sizeof Top); 106 } 107 108 109 /* 110 * score: 111 * Post the player's score, if reasonable, and then print out the 112 * top list. 113 */ 114 void 115 score(score_wfd) 116 int score_wfd; 117 { 118 int inf = score_wfd; 119 SCORE *scp; 120 u_int32_t uid; 121 bool done_show = FALSE; 122 123 Newscore = FALSE; 124 if (inf < 0) 125 return; 126 127 read_score(inf); 128 129 uid = getuid(); 130 if (Top[MAXSCORES-1].s_score <= Score) { 131 numscores = 0; 132 for (scp = Top; scp < &Top[MAXSCORES]; scp++) 133 if ((scp->s_uid == uid && ++numscores == max_uid)) { 134 if (scp->s_score > Score) 135 break; 136 scp->s_score = Score; 137 scp->s_uid = uid; 138 scp->s_auto = Auto_bot; 139 scp->s_level = Level; 140 set_name(scp); 141 Newscore = TRUE; 142 break; 143 } 144 if (scp == &Top[MAXSCORES]) { 145 Top[MAXSCORES-1].s_score = Score; 146 Top[MAXSCORES-1].s_uid = uid; 147 Top[MAXSCORES-1].s_auto = Auto_bot; 148 Top[MAXSCORES-1].s_level = Level; 149 set_name(&Top[MAXSCORES-1]); 150 Newscore = TRUE; 151 } 152 if (Newscore) 153 qsort(Top, MAXSCORES, sizeof Top[0], cmp_sc); 154 } 155 156 if (!Newscore) { 157 Full_clear = FALSE; 158 lseek(inf, 0, SEEK_SET); 159 return; 160 } 161 else 162 Full_clear = TRUE; 163 164 move(1, 15); 165 printw("%5.5s %5.5s %-9.9s %-8.8s %5.5s", "Rank", "Score", "User", 166 " ", "Level"); 167 168 for (scp = Top; scp < &Top[MAXSCORES]; scp++) { 169 if (scp->s_score == 0) 170 break; 171 move((scp - Top) + 2, 15); 172 if (!done_show && scp->s_uid == uid && scp->s_score == Score) 173 standout(); 174 printw("%5ld %5d %-8.8s %-9.9s %5d", 175 (long)(scp - Top) + 1, scp->s_score, scp->s_name, 176 scp->s_auto ? "(autobot)" : "", scp->s_level); 177 if (!done_show && scp->s_uid == uid && scp->s_score == Score) { 178 standend(); 179 done_show = TRUE; 180 } 181 } 182 Num_scores = scp - Top; 183 refresh(); 184 185 if (Newscore) { 186 write_score(inf); 187 } 188 lseek(inf, 0, SEEK_SET); 189 } 190 191 void 192 set_name(scp) 193 SCORE *scp; 194 { 195 PASSWD *pp; 196 static char unknown[] = "???"; 197 198 if ((pp = getpwuid(scp->s_uid)) == NULL) 199 pp->pw_name = unknown; 200 strncpy(scp->s_name, pp->pw_name, MAXNAME); 201 } 202 203 /* 204 * cmp_sc: 205 * Compare two scores. 206 */ 207 int 208 cmp_sc(s1, s2) 209 const void *s1, *s2; 210 { 211 return ((const SCORE *)s2)->s_score - ((const SCORE *)s1)->s_score; 212 } 213 214 /* 215 * show_score: 216 * Show the score list for the '-s' option. 217 */ 218 void 219 show_score() 220 { 221 SCORE *scp; 222 int inf; 223 224 if ((inf = open(Scorefile, O_RDONLY)) < 0) { 225 warn("opening `%s'", Scorefile); 226 return; 227 } 228 229 read_score(inf); 230 close(inf); 231 inf = 1; 232 printf("%5.5s %5.5s %-9.9s %-8.8s %5.5s\n", "Rank", "Score", "User", 233 " ", "Level"); 234 for (scp = Top; scp < &Top[MAXSCORES]; scp++) 235 if (scp->s_score > 0) 236 printf("%5d %5d %-8.8s %-9.9s %5d\n", 237 inf++, scp->s_score, scp->s_name, 238 scp->s_auto ? "(autobot)" : "", scp->s_level); 239 } 240