X-Git-Url: http://git.shiar.nl/netris.git/blobdiff_plain/21add7c13bc1df386e45aad2939ee5ff2a152c2b..HEAD:/util.c diff --git a/util.c b/util.c index b32592f..92a8908 100644 --- a/util.c +++ b/util.c @@ -15,8 +15,6 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * $Id: util.c,v 1.29 1999/05/16 06:56:33 mhw Exp $ */ #include "netris.h" @@ -30,19 +28,20 @@ #include #include -static MyEventType AlarmGenFunc(EventGenRec *gen, MyEvent *event); +#include "util.h" -static EventGenRec alarmGen = - { &alarmGen, 0, FT_read, -1, AlarmGenFunc, EM_alarm }; +static MyEventType AlarmGenFunc(EventGenRec *gen, MyEvent *event); +static EventGenRec alarmGen = { + &alarmGen, 0, FT_read, -1, AlarmGenFunc, EM_alarm +}; static EventGenRec *nextGen = &alarmGen; -static sigjmp_buf close_env; - static int myRandSeed = 1; static long baseTimeval; -ExtFunc void AtExit(void (*handler)(void)) + +void AtExit(void (*handler)(void)) { #ifdef HAS_ON_EXIT on_exit((void *)handler, NULL); @@ -53,116 +52,56 @@ ExtFunc void AtExit(void (*handler)(void)) ///////////// HELP MESSAGES ///////////// -ExtFunc void Header(void) -{ - fprintf(stderr, - "NETRIS %s\t(c) 1994-1996,1999 Mark H. Weaver \n" - " \t(c) 2002 Shiar \n\n", - version_string); -} //Header - -ExtFunc void Usage(void) +void Header(void) { - Header(); fprintf(stderr, - "Usage: netris \n" - "\n" - " -h, --help\t\tPrint this usage information\n" - " -H, --info\t\tShow distribution and warranty information\n" - " -R, --rules\t\tShow game rules\n" - "\n" - " -S, --slowterm\tDisable inverse/bold/color for slow terminals\n" - " -a, --ascii\t\tUse ascii characters\n" - " -C, --color=0\t\tDisable color\n" - "\n" - " -w, --wait\t\tWait for connection\n" - " -c, --connect \tInitiate connection\n" - " -p, --port \tSet port number (default is %d)\n" - "\n" - " -i, --speed \tSet the initial step-down interval, in seconds\n" - " -l, --level \tBegin at a higher level (can be used as handicap)\n" - " -k, --keys \tRemap keys (default is \"%s\" for cursors)\n" - " -d, --dropmode\tDrops go into drop mode\n" - " -D, --instadrop\tInstant drop\n" - "\n" - " -r, --robot \tExecute program to control the game instead of keyboard\n" - " -F, --fair-robot\tUse fair robot interface\n" - "\n", DEFAULT_PORT, DEFAULT_KEYS); + "NETRIS %s\t(c) 1994-1996,1999 Mark H. Weaver \n" + " \t(c) 2002 Shiar \n\n", + version_string + ); } -ExtFunc void DistInfo(void) -{ - Header(); - fprintf(stderr, - "This program is free software; you can redistribute it and/or modify\n" - "it under the terms of the GNU General Public License as published by\n" - "the Free Software Foundation; either version 2 of the License, or\n" - "(at your option) any later version.\n" - "\n" - "This program is distributed in the hope that it will be useful,\n" - "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" - "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" - "GNU General Public License for more details.\n" - "\n" - "You should have received a copy of the GNU General Public License\n" - "along with this program; if not, write to the Free Software\n" - "Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\n" - "\n"); -} //DistInfo - -ExtFunc void Rules(void) +void DistInfo(void) { - Header(); fprintf(stderr, - "One player mode\n" - "---------------\n" - "Good old Tetris. Scoring is like on the GameBoy version (so try to\n" - "remove as many lines at once as you can). After removing ten lines\n" - "you go to the next level, which will be faster thus making the game\n" - "harder to play.\n" - "\n" - "Two player mode\n" - "---------------\n" - "It's just like normal T*tris except that when you clear more than\n" - "one row with a single piece, the other player receives penalty lines\n" - "For clearing 2, 3 or 4 rows, respectively 1, 2 or 4 junk rows will\n" - "be added to the bottom of your opponent's board respectively.\n" - "The junk rows have exactly one empty column, which will line up for\n" - "multiple rows.\n" - "\n" - "The longest surviving player wins the game.\n" - "\n"); -} //Rules + "This program is free software; you can redistribute it and/or modify\n" + "it under the terms of the GNU General Public License as published by\n" + "the Free Software Foundation; either version 2 of the License, or\n" + "(at your option) any later version.\n" + "\n" + "This program is distributed in the hope that it will be useful,\n" + "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" + "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" + "GNU General Public License for more details.\n" + "\n" + "You should have received a copy of the GNU General Public License\n" + "along with this program; if not, write to the Free Software\n" + "Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\n" + "\n" + ); +} ///////////// RANDOM ///////////// -ExtFunc void InitUtil(void) -{ - SRandom(time(0)); - if (sigsetjmp(close_env, 1)) exit(0); - signal(SIGINT, CatchInt); - ResetBaseTime(); -} //InitUtil - /* * My really crappy random number generator follows * Should be more than sufficient for our purposes though */ -ExtFunc void SRandom(int seed) +void SRandom(int seed) { Game.seed = seed; myRandSeed = seed % 31751 + 1; -} //SRandom +} -ExtFunc int Random(int min, int max1) +int Random(int min, int max1) { //return a random value myRandSeed = (myRandSeed * 31751 + 15437) % 32767; return myRandSeed % (max1 - min) + min; -} //Random +} ///////////// I/O ///////////// -ExtFunc int MyRead(int fd, void *data, int len) +int MyRead(int fd, void *data, int len) { int result, left; @@ -177,9 +116,9 @@ ExtFunc int MyRead(int fd, void *data, int len) return result; } return len; -} //MyRead +} -ExtFunc int MyWrite(int fd, void *data, int len) +int MyWrite(int fd, void *data, int len) { int result, left; @@ -194,11 +133,29 @@ ExtFunc int MyWrite(int fd, void *data, int len) return result; } return len; -} //MyWrite +} + +///////////// CONFIG ///////////// + +void WriteConf(void) +{ + FILE *file_out; + + file_out = fopen(CONFIG_FILE, "w"); + if (file_out == NULL) { + perror("Error writing config file"); + exit(1); + } + + fprintf(file_out, "### NETRIS %s Config file ###\n\n", version_string); + + fclose(file_out); + fprintf(stderr, "Wrote new game configuration to %s\n", CONFIG_FILE); +} ///////////// TIME ///////////// -ExtFunc void NormalizeTime(struct timeval *tv) +void NormalizeTime(struct timeval *tv) { tv->tv_sec += tv->tv_usec / 1000000; tv->tv_usec %= 1000000; @@ -208,12 +165,7 @@ ExtFunc void NormalizeTime(struct timeval *tv) } } -ExtFunc void CatchInt(int sig) -{ - siglongjmp(close_env, 1); -} - -ExtFunc void CatchAlarm(int sig) +void CatchAlarm(int sig) { alarmGen.ready = 1; signal(SIGALRM, CatchAlarm); @@ -224,47 +176,44 @@ static MyEventType AlarmGenFunc(EventGenRec *gen, MyEvent *event) return E_alarm; } -ExtFunc void SetTimeval(struct timeval *tv, long usec) +void SetTimeval(struct timeval *tv, long usec) { tv->tv_sec = usec / 1000000; tv->tv_usec = usec % 1000000; -} //SetTimeval +} -ExtFunc long GetTimeval(struct timeval *tv) +long GetTimeval(struct timeval *tv) { return tv->tv_sec * 1000000 + tv->tv_usec; -} //GetTimeval +} -ExtFunc long AbsTimeval(void) +long AbsTimeval(void) { struct timeval tv; gettimeofday(&tv, NULL); return GetTimeval(&tv); -} //CurTimeval +} -ExtFunc void ResetBaseTime(void) -{ +void ResetBaseTime(void) +{ //Reset the timer baseTimeval = AbsTimeval(); -} //ResetBaseTime +} -ExtFunc void PauseTime(void) -{ +void PauseTime(void) +{ //Pause the timer baseTimeval -= AbsTimeval(); -} //PauseTime +} -ExtFunc void ResumeTime(void) -{ +void ResumeTime(void) +{ //Unpause timer baseTimeval += AbsTimeval(); -} //ResumeTime +} -ExtFunc long CurTimeval(void) +long CurTimeval(void) { - struct timeval tv; - - gettimeofday(&tv, NULL); - return GetTimeval(&tv) - baseTimeval; -} //CurTimeval + return AbsTimeval() - baseTimeval; +} static long SetITimer1(long interval, long value) { @@ -278,7 +227,7 @@ static long SetITimer1(long interval, long value) return GetTimeval(&old.it_value); } -ExtFunc long SetITimer(long interval, long value) +long SetITimer(long interval, long value) { long old; @@ -290,19 +239,19 @@ ExtFunc long SetITimer(long interval, long value) ///////////// ... ///////////// -ExtFunc volatile void die(char *msg) +volatile void die(char *msg) { perror(msg); exit(1); } -ExtFunc volatile void fatal(char *msg) +volatile void fatal(char *msg) { fprintf(stderr, "%s\n", msg); exit(1); } -ExtFunc void BlockSignals(MySigSet *saved, ...) +void BlockSignals(MySigSet *saved, ...) { MySigSet set; va_list args; @@ -329,7 +278,7 @@ ExtFunc void BlockSignals(MySigSet *saved, ...) va_end(args); } -ExtFunc void RestoreSignals(MySigSet *saved, MySigSet *set) +void RestoreSignals(MySigSet *saved, MySigSet *set) { #ifdef HAS_SIGPROCMASK sigprocmask(SIG_SETMASK, set, saved); @@ -343,14 +292,14 @@ ExtFunc void RestoreSignals(MySigSet *saved, MySigSet *set) ///////////// EVENTS ///////////// -ExtFunc void AddEventGen(EventGenRec *gen) +void AddEventGen(EventGenRec *gen) { assert(gen->next == NULL); gen->next = nextGen->next; nextGen->next = gen; -} //AddEventGen +} -ExtFunc void RemoveEventGen(EventGenRec *gen) +void RemoveEventGen(EventGenRec *gen) { // assert(gen->next != NULL); /* Be more forgiving, for SIGINTs */ if (gen->next) { @@ -359,9 +308,9 @@ ExtFunc void RemoveEventGen(EventGenRec *gen) nextGen->next = gen->next; gen->next = NULL; } -} //RemoveEventGen +} -ExtFunc MyEventType WaitMyEvent(MyEvent *event, int mask) +MyEventType WaitMyEvent(MyEvent *event, int mask) { //poll int i, retry = 0; fd_set fds[FT_len]; @@ -389,7 +338,7 @@ ExtFunc MyEventType WaitMyEvent(MyEvent *event, int mask) tv.tv_sec = 0; tv.tv_usec = (retry && !anyReady) ? 500000 : 0; result = select(FD_SETSIZE, &fds[FT_read], &fds[FT_write], - &fds[FT_except], anyReady ? &tv : NULL); + &fds[FT_except], anyReady ? &tv : NULL); } else { if (retry && !anyReady) @@ -398,9 +347,10 @@ ExtFunc MyEventType WaitMyEvent(MyEvent *event, int mask) } gen = nextGen; do { - if ((gen->mask & mask) - && (gen->ready || (result > 0 && gen->fd >= 0 - && FD_ISSET(gen->fd, &fds[gen->fdType])))) { + if ((gen->mask & mask) && (gen->ready || ( + result > 0 && gen->fd >= 0 + && FD_ISSET(gen->fd, &fds[gen->fdType]) + ))) { gen->ready = 0; event->type = gen->func(gen, event); if (event->type != E_none) { @@ -412,9 +362,5 @@ ExtFunc MyEventType WaitMyEvent(MyEvent *event, int mask) } while (gen != nextGen); retry = 1; } -} //WaitMyEvent +} -/* - * vi: ts=4 ai - * vim: noai si - */