4.4BSD/usr/src/games/rogue/room.c
/*
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Timothy C. Stoehr.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)room.c 8.1 (Berkeley) 5/31/93";
#endif /* not lint */
/*
* room.c
*
* This source herein may be modified and/or distributed by anybody who
* so desires, with the following restrictions:
* 1.) No portion of this notice shall be removed.
* 2.) Credit shall not be taken for the creation of this source.
* 3.) This code is not to be traded, sold, or used for personal
* gain or profit.
*
*/
#include "rogue.h"
room rooms[MAXROOMS];
boolean rooms_visited[MAXROOMS];
extern short blind;
extern boolean detect_monster, jump, passgo, no_skull, ask_quit;
extern char *nick_name, *fruit, *save_file, *press_space;
#define NOPTS 7
struct option {
char *prompt;
boolean is_bool;
char **strval;
boolean *bval;
} options[NOPTS] = {
{
"Show position only at end of run (\"jump\"): ",
1, (char **) 0, &jump
},
{
"Follow turnings in passageways (\"passgo\"): ",
1, (char **) 0, &passgo
},
{
"Don't print skull when killed (\"noskull\" or \"notombstone\"): ",
1, (char **) 0, &no_skull
},
{
"Ask player before saying 'Okay, bye-bye!' (\"askquit\"): ",
1, (char **) 0, &ask_quit
},
{
"Name (\"name\"): ",
0, &nick_name
},
{
"Fruit (\"fruit\"): ",
0, &fruit
},
{
"Save file (\"file\"): ",
0, &save_file
}
};
light_up_room(rn)
int rn;
{
short i, j;
if (!blind) {
for (i = rooms[rn].top_row;
i <= rooms[rn].bottom_row; i++) {
for (j = rooms[rn].left_col;
j <= rooms[rn].right_col; j++) {
if (dungeon[i][j] & MONSTER) {
object *monster;
if (monster = object_at(&level_monsters, i, j)) {
dungeon[monster->row][monster->col] &= (~MONSTER);
monster->trail_char =
get_dungeon_char(monster->row, monster->col);
dungeon[monster->row][monster->col] |= MONSTER;
}
}
mvaddch(i, j, get_dungeon_char(i, j));
}
}
mvaddch(rogue.row, rogue.col, rogue.fchar);
}
}
light_passage(row, col)
{
short i, j, i_end, j_end;
if (blind) {
return;
}
i_end = (row < (DROWS-2)) ? 1 : 0;
j_end = (col < (DCOLS-1)) ? 1 : 0;
for (i = ((row > MIN_ROW) ? -1 : 0); i <= i_end; i++) {
for (j = ((col > 0) ? -1 : 0); j <= j_end; j++) {
if (can_move(row, col, row+i, col+j)) {
mvaddch(row+i, col+j, get_dungeon_char(row+i, col+j));
}
}
}
}
darken_room(rn)
short rn;
{
short i, j;
for (i = rooms[rn].top_row + 1; i < rooms[rn].bottom_row; i++) {
for (j = rooms[rn].left_col + 1; j < rooms[rn].right_col; j++) {
if (blind) {
mvaddch(i, j, ' ');
} else {
if (!(dungeon[i][j] & (OBJECT | STAIRS)) &&
!(detect_monster && (dungeon[i][j] & MONSTER))) {
if (!imitating(i, j)) {
mvaddch(i, j, ' ');
}
if ((dungeon[i][j] & TRAP) && (!(dungeon[i][j] & HIDDEN))) {
mvaddch(i, j, '^');
}
}
}
}
}
}
get_dungeon_char(row, col)
register row, col;
{
register unsigned short mask = dungeon[row][col];
if (mask & MONSTER) {
return(gmc_row_col(row, col));
}
if (mask & OBJECT) {
object *obj;
obj = object_at(&level_objects, row, col);
return(get_mask_char(obj->what_is));
}
if (mask & (TUNNEL | STAIRS | HORWALL | VERTWALL | FLOOR | DOOR)) {
if ((mask & (TUNNEL| STAIRS)) && (!(mask & HIDDEN))) {
return(((mask & STAIRS) ? '%' : '#'));
}
if (mask & HORWALL) {
return('-');
}
if (mask & VERTWALL) {
return('|');
}
if (mask & FLOOR) {
if (mask & TRAP) {
if (!(dungeon[row][col] & HIDDEN)) {
return('^');
}
}
return('.');
}
if (mask & DOOR) {
if (mask & HIDDEN) {
if (((col > 0) && (dungeon[row][col-1] & HORWALL)) ||
((col < (DCOLS-1)) && (dungeon[row][col+1] & HORWALL))) {
return('-');
} else {
return('|');
}
} else {
return('+');
}
}
}
return(' ');
}
get_mask_char(mask)
register unsigned short mask;
{
switch(mask) {
case SCROL:
return('?');
case POTION:
return('!');
case GOLD:
return('*');
case FOOD:
return(':');
case WAND:
return('/');
case ARMOR:
return(']');
case WEAPON:
return(')');
case RING:
return('=');
case AMULET:
return(',');
default:
return('~'); /* unknown, something is wrong */
}
}
gr_row_col(row, col, mask)
short *row, *col;
unsigned short mask;
{
short rn;
short r, c;
do {
r = get_rand(MIN_ROW, DROWS-2);
c = get_rand(0, DCOLS-1);
rn = get_room_number(r, c);
} while ((rn == NO_ROOM) ||
(!(dungeon[r][c] & mask)) ||
(dungeon[r][c] & (~mask)) ||
(!(rooms[rn].is_room & (R_ROOM | R_MAZE))) ||
((r == rogue.row) && (c == rogue.col)));
*row = r;
*col = c;
}
gr_room()
{
short i;
do {
i = get_rand(0, MAXROOMS-1);
} while (!(rooms[i].is_room & (R_ROOM | R_MAZE)));
return(i);
}
party_objects(rn)
{
short i, j, nf = 0;
object *obj;
short n, N, row, col;
boolean found;
N = ((rooms[rn].bottom_row - rooms[rn].top_row) - 1) *
((rooms[rn].right_col - rooms[rn].left_col) - 1);
n = get_rand(5, 10);
if (n > N) {
n = N - 2;
}
for (i = 0; i < n; i++) {
for (j = found = 0; ((!found) && (j < 250)); j++) {
row = get_rand(rooms[rn].top_row+1,
rooms[rn].bottom_row-1);
col = get_rand(rooms[rn].left_col+1,
rooms[rn].right_col-1);
if ((dungeon[row][col] == FLOOR) || (dungeon[row][col] == TUNNEL)) {
found = 1;
}
}
if (found) {
obj = gr_object();
place_at(obj, row, col);
nf++;
}
}
return(nf);
}
get_room_number(row, col)
register row, col;
{
short i;
for (i = 0; i < MAXROOMS; i++) {
if ((row >= rooms[i].top_row) && (row <= rooms[i].bottom_row) &&
(col >= rooms[i].left_col) && (col <= rooms[i].right_col)) {
return(i);
}
}
return(NO_ROOM);
}
is_all_connected()
{
short i, starting_room;
for (i = 0; i < MAXROOMS; i++) {
rooms_visited[i] = 0;
if (rooms[i].is_room & (R_ROOM | R_MAZE)) {
starting_room = i;
}
}
visit_rooms(starting_room);
for (i = 0; i < MAXROOMS; i++) {
if ((rooms[i].is_room & (R_ROOM | R_MAZE)) && (!rooms_visited[i])) {
return(0);
}
}
return(1);
}
visit_rooms(rn)
int rn;
{
short i;
short oth_rn;
rooms_visited[rn] = 1;
for (i = 0; i < 4; i++) {
oth_rn = rooms[rn].doors[i].oth_room;
if ((oth_rn >= 0) && (!rooms_visited[oth_rn])) {
visit_rooms(oth_rn);
}
}
}
draw_magic_map()
{
short i, j, ch, och;
unsigned short mask = (HORWALL | VERTWALL | DOOR | TUNNEL | TRAP | STAIRS |
MONSTER);
unsigned short s;
for (i = 0; i < DROWS; i++) {
for (j = 0; j < DCOLS; j++) {
s = dungeon[i][j];
if (s & mask) {
if (((ch = mvinch(i, j)) == ' ') ||
((ch >= 'A') && (ch <= 'Z')) || (s & (TRAP | HIDDEN))) {
och = ch;
dungeon[i][j] &= (~HIDDEN);
if (s & HORWALL) {
ch = '-';
} else if (s & VERTWALL) {
ch = '|';
} else if (s & DOOR) {
ch = '+';
} else if (s & TRAP) {
ch = '^';
} else if (s & STAIRS) {
ch = '%';
} else if (s & TUNNEL) {
ch = '#';
} else {
continue;
}
if ((!(s & MONSTER)) || (och == ' ')) {
addch(ch);
}
if (s & MONSTER) {
object *monster;
if (monster = object_at(&level_monsters, i, j)) {
monster->trail_char = ch;
}
}
}
}
}
}
}
dr_course(monster, entering, row, col)
object *monster;
boolean entering;
short row, col;
{
short i, j, k, rn;
short r, rr;
monster->row = row;
monster->col = col;
if (mon_sees(monster, rogue.row, rogue.col)) {
monster->trow = NO_ROOM;
return;
}
rn = get_room_number(row, col);
if (entering) { /* entering room */
/* look for door to some other room */
r = get_rand(0, MAXROOMS-1);
for (i = 0; i < MAXROOMS; i++) {
rr = (r + i) % MAXROOMS;
if ((!(rooms[rr].is_room & (R_ROOM | R_MAZE))) || (rr == rn)) {
continue;
}
for (k = 0; k < 4; k++) {
if (rooms[rr].doors[k].oth_room == rn) {
monster->trow = rooms[rr].doors[k].oth_row;
monster->tcol = rooms[rr].doors[k].oth_col;
if ((monster->trow == row) &&
(monster->tcol == col)) {
continue;
}
return;
}
}
}
/* look for door to dead end */
for (i = rooms[rn].top_row; i <= rooms[rn].bottom_row; i++) {
for (j = rooms[rn].left_col; j <= rooms[rn].right_col; j++) {
if ((i != monster->row) && (j != monster->col) &&
(dungeon[i][j] & DOOR)) {
monster->trow = i;
monster->tcol = j;
return;
}
}
}
/* return monster to room that he came from */
for (i = 0; i < MAXROOMS; i++) {
for (j = 0; j < 4; j++) {
if (rooms[i].doors[j].oth_room == rn) {
for (k = 0; k < 4; k++) {
if (rooms[rn].doors[k].oth_room == i) {
monster->trow = rooms[rn].doors[k].oth_row;
monster->tcol = rooms[rn].doors[k].oth_col;
return;
}
}
}
}
}
/* no place to send monster */
monster->trow = NO_ROOM;
} else { /* exiting room */
if (!get_oth_room(rn, &row, &col)) {
monster->trow = NO_ROOM;
} else {
monster->trow = row;
monster->tcol = col;
}
}
}
get_oth_room(rn, row, col)
short rn, *row, *col;
{
short d = -1;
if (*row == rooms[rn].top_row) {
d = UPWARD/2;
} else if (*row == rooms[rn].bottom_row) {
d = DOWN/2;
} else if (*col == rooms[rn].left_col) {
d = LEFT/2;
} else if (*col == rooms[rn].right_col) {
d = RIGHT/2;
}
if ((d != -1) && (rooms[rn].doors[d].oth_room >= 0)) {
*row = rooms[rn].doors[d].oth_row;
*col = rooms[rn].doors[d].oth_col;
return(1);
}
return(0);
}
edit_opts()
{
char save[NOPTS+1][DCOLS];
short i, j;
short ch;
boolean done = 0;
char buf[MAX_OPT_LEN + 2];
for (i = 0; i < NOPTS+1; i++) {
for (j = 0; j < DCOLS; j++) {
save[i][j] = mvinch(i, j);
}
if (i < NOPTS) {
opt_show(i);
}
}
opt_go(0);
i = 0;
while (!done) {
refresh();
ch = rgetchar();
CH:
switch(ch) {
case '\033':
done = 1;
break;
case '\012':
case '\015':
if (i == (NOPTS - 1)) {
mvaddstr(NOPTS, 0, press_space);
refresh();
wait_for_ack();
done = 1;
} else {
i++;
opt_go(i);
}
break;
case '-':
if (i > 0) {
opt_go(--i);
} else {
sound_bell();
}
break;
case 't':
case 'T':
case 'f':
case 'F':
if (options[i].is_bool) {
*(options[i].bval) = (((ch == 't') || (ch == 'T')) ? 1 : 0);
opt_show(i);
opt_go(++i);
break;
}
default:
if (options[i].is_bool) {
sound_bell();
break;
}
j = 0;
if ((ch == '\010') || ((ch >= ' ') && (ch <= '~'))) {
opt_erase(i);
do {
if ((ch >= ' ') && (ch <= '~') && (j < MAX_OPT_LEN)) {
buf[j++] = ch;
buf[j] = '\0';
addch(ch);
} else if ((ch == '\010') && (j > 0)) {
buf[--j] = '\0';
move(i, j + strlen(options[i].prompt));
addch(' ');
move(i, j + strlen(options[i].prompt));
}
refresh();
ch = rgetchar();
} while ((ch != '\012') && (ch != '\015') && (ch != '\033'));
if (j != 0) {
(void) strcpy(*(options[i].strval), buf);
}
opt_show(i);
goto CH;
} else {
sound_bell();
}
break;
}
}
for (i = 0; i < NOPTS+1; i++) {
move(i, 0);
for (j = 0; j < DCOLS; j++) {
addch(save[i][j]);
}
}
}
opt_show(i)
int i;
{
char *s;
struct option *opt = &options[i];
opt_erase(i);
if (opt->is_bool) {
s = *(opt->bval) ? "True" : "False";
} else {
s = *(opt->strval);
}
addstr(s);
}
opt_erase(i)
int i;
{
struct option *opt = &options[i];
mvaddstr(i, 0, opt->prompt);
clrtoeol();
}
opt_go(i)
int i;
{
move(i, strlen(options[i].prompt));
}
do_shell()
{
#ifdef UNIX
char *sh;
md_ignore_signals();
if (!(sh = md_getenv("SHELL"))) {
sh = "/bin/sh";
}
move(LINES-1, 0);
refresh();
stop_window();
printf("\nCreating new shell...\n");
md_shell(sh);
start_window();
wrefresh(curscr);
md_heed_signals();
#endif
}