Early Roguelike Collection: rogue4/chase.c annotate

annotate rogue4/chase.c @ 218:56e748983fa8

Advanced Rogue 5: convert to ANSI function declarations. This still leaves over a thousand lines of warning messages, mostly related to the return types of daemons and fuses.

author	John "Elwin" Edwards
date	Sun, 07 Feb 2016 14:39:21 -0500
parents	1b73a8641b37
children	e52a8a7ad4c5

rev	line source
12 9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	1 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	2 * Code for one creature to chase another
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	3 *
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	4 * @(#)chase.c 4.25 (Berkeley) 5/5/82
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	5 *
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	6 * Rogue: Exploring the Dungeons of Doom
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	7 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	8 * All rights reserved.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	9 *
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	10 * See the file LICENSE.TXT for full copyright and licensing information.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	11 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	12
215 1b73a8641b37 rogue4: fix most GCC5 warnings. John "Elwin" Edwards parents: 12 diff changeset	13 #include <stdlib.h>
12 9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	14 #include <curses.h>
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	15 #include "rogue.h"
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	16
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	17 #define DRAGONSHOT 5 /* one chance in DRAGONSHOT that a dragon will flame */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	18
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	19 coord ch_ret; /* Where chasing takes you */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	20
215 1b73a8641b37 rogue4: fix most GCC5 warnings. John "Elwin" Edwards parents: 12 diff changeset	21 bool chase(THING tp, coord ee);
1b73a8641b37 rogue4: fix most GCC5 warnings. John "Elwin" Edwards parents: 12 diff changeset	22 int do_chase(THING *th);
1b73a8641b37 rogue4: fix most GCC5 warnings. John "Elwin" Edwards parents: 12 diff changeset	23 coord find_dest(THING tp);
1b73a8641b37 rogue4: fix most GCC5 warnings. John "Elwin" Edwards parents: 12 diff changeset	24
12 9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	25 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	26 * runners:
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	27 * Make all the running monsters move.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	28 */
215 1b73a8641b37 rogue4: fix most GCC5 warnings. John "Elwin" Edwards parents: 12 diff changeset	29 void
1b73a8641b37 rogue4: fix most GCC5 warnings. John "Elwin" Edwards parents: 12 diff changeset	30 runners(void)
12 9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	31 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	32 register THING *tp;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	33 register THING *ntp;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	34
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	35 for (tp = mlist; tp != NULL; tp = ntp)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	36 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	37 ntp = next(tp);
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	38 if (!on(tp, ISHELD) && on(tp, ISRUN))
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	39 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	40 if (!on(*tp, ISSLOW) \|\| tp->t_turn)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	41 if (do_chase(tp) == -1)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	42 continue;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	43 if (on(*tp, ISHASTE))
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	44 if (do_chase(tp) == -1)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	45 continue;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	46 tp->t_turn ^= TRUE;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	47 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	48 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	49 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	50
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	51 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	52 * do_chase:
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	53 * Make one thing chase another.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	54 */
215 1b73a8641b37 rogue4: fix most GCC5 warnings. John "Elwin" Edwards parents: 12 diff changeset	55 int
1b73a8641b37 rogue4: fix most GCC5 warnings. John "Elwin" Edwards parents: 12 diff changeset	56 do_chase(THING *th)
12 9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	57 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	58 register struct room rer, ree; /* room of chaser, room of chasee */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	59 register int mindist = 32767, i, dist;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	60 register bool stoprun = FALSE; /* TRUE means we are there */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	61 register char sch;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	62 register bool door;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	63 register THING *obj;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	64 register struct room *oroom;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	65 coord this; /* Temporary destination for chaser */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	66
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	67 rer = th->t_room; /* Find room of chaser */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	68 if (on(*th, ISGREED) && rer->r_goldval == 0)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	69 th->t_dest = &hero; /* If gold has been taken, run after hero */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	70 if (th->t_dest == &hero) /* Find room of chasee */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	71 ree = proom;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	72 else
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	73 ree = roomin(th->t_dest);
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	74 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	75 * We don't count doors as inside rooms for this routine
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	76 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	77 door = (chat(th->t_pos.y, th->t_pos.x) == DOOR);
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	78 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	79 * If the object of our desire is in a different room,
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	80 * and we are not in a corridor, run to the door nearest to
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	81 * our goal.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	82 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	83 over:
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	84 if (rer != ree)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	85 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	86 for (i = 0; i < rer->r_nexits; i++) /* loop through doors */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	87 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	88 dist = DISTANCE(th->t_dest->y, th->t_dest->x,
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	89 rer->r_exit[i].y, rer->r_exit[i].x);
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	90 if (dist < mindist)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	91 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	92 this = rer->r_exit[i];
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	93 mindist = dist;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	94 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	95 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	96 if (door)
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	97 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	98 rer = &passages[flat(th->t_pos.y, th->t_pos.x) & F_PNUM];
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	99 door = FALSE;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	100 goto over;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	101 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	102 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	103 else

Mercurial > hg > early-roguelike

annotate rogue4/chase.c @ 218:56e748983fa8