Mercurial > hg > early-roguelike
view srogue/daemon.c @ 229:50b89f165a34
Use uniform return types for functions related to options.
Functions for printing options now return void. Functions for setting
options now return int. Argument types still vary, though converting
all the option pointers to void* would be possible.
author | John "Elwin" Edwards |
---|---|
date | Sun, 06 Mar 2016 14:45:18 -0500 |
parents | b67b99f6c92b |
children |
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/* * Contains functions for dealing with things that * happen in the future. * * @(#)daemon.c 9.0 (rdk) 7/17/84 * * Super-Rogue * Copyright (C) 1984 Robert D. Kindelberger * All rights reserved. * * Based on "Rogue: Exploring the Dungeons of Doom" * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman * All rights reserved. * * See the file LICENSE.TXT for full copyright and licensing information. */ #include "rogue.h" #include "rogue.ext" #define EMPTY 0 #define DAEMON -1 #define _X_ { 0, 0, 0, 0 } struct delayed_action d_list[MAXDAEMONS] = { _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, }; /* * d_insert: * Insert a function in the daemon list. */ struct delayed_action * d_insert(void (*func)(), int arg, int type, int time) { reg struct delayed_action *dev; if (demoncnt < MAXDAEMONS) { dev = &d_list[demoncnt]; dev->d_type = type; dev->d_time = time; dev->d_func = func; dev->d_arg = arg; demoncnt += 1; return dev; } return NULL; } void d_delete(struct delayed_action *wire) { reg struct delayed_action *d1, *d2; for (d1 = d_list; d1 < &d_list[demoncnt]; d1++) { if (wire == d1) { for (d2 = d1 + 1; d2 < &d_list[demoncnt]; d2++) *d1++ = *d2; demoncnt -= 1; d1 = &d_list[demoncnt]; d1->d_type = EMPTY; d1->d_func = EMPTY; return; } } } /* * find_slot: * Find a particular slot in the table */ struct delayed_action * find_slot(void (*func)()) { reg struct delayed_action *dev; for (dev = d_list; dev < &d_list[demoncnt]; dev++) if (dev->d_type != EMPTY && func == dev->d_func) return dev; return NULL; } /* * start_daemon: * Start a daemon, takes a function. */ void start_daemon(void (*func)(), int arg, int type) { d_insert(func, arg, type, DAEMON); } /* * do_daemons: * Run all the daemons that are active with the current * flag, passing the argument to the function. */ void do_daemons(int flag) { reg struct delayed_action *dev; for (dev = d_list; dev < &d_list[demoncnt]; dev++) if (dev->d_type == flag && dev->d_time == DAEMON) (*dev->d_func)(dev->d_arg); } /* * fuse: * Start a fuse to go off in a certain number of turns */ void fuse(void (*func)(), int arg, int time) { d_insert(func, arg, AFTER, time); } /* * lengthen: * Increase the time until a fuse goes off */ void lengthen(void (*func)(), int xtime) { reg struct delayed_action *wire; for (wire = d_list; wire < &d_list[demoncnt]; wire++) if (wire->d_type != EMPTY && func == wire->d_func) wire->d_time += xtime; } /* * extinguish: * Put out a fuse. Find all such fuses and kill them. */ void extinguish(void (*func)()) { reg struct delayed_action *dev; for (dev = d_list; dev < &d_list[demoncnt]; dev++) if (dev->d_type != EMPTY && func == dev->d_func) d_delete(dev); } /* * do_fuses: * Decrement counters and start needed fuses */ void do_fuses(void) { reg struct delayed_action *dev; for (dev = d_list; dev < &d_list[demoncnt]; dev++) { if (dev->d_type == AFTER && dev->d_time > DAEMON) { if (--dev->d_time == 0) { (*dev->d_func)(dev->d_arg); d_delete(dev); } } } } /* * activity: * Show wizard number of demaons and memory blocks used */ void activity(void) { msg("Daemons = %d : Memory Items = %d : Memory Used = %d", demoncnt,total,md_memused()); }