2.11BSD/src/games/hunt/execute.c
/*
* Hunt
* Copyright (c) 1985 Conrad C. Huang, Gregory S. Couch, Kenneth C.R.C. Arnold
* San Francisco, California
*
* Copyright (c) 1985 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
# include "hunt.h"
# undef CTRL
# define CTRL(x) ('x' & 037)
# ifdef MONITOR
/*
* mon_execute:
* Execute a single monitor command
*/
mon_execute(pp)
register PLAYER *pp;
{
register char ch;
ch = pp->p_cbuf[pp->p_ncount++];
switch (ch) {
case CTRL(L):
sendcom(pp, REDRAW);
break;
case 'q':
(void) strcpy(pp->p_death, "| Quit |");
break;
}
}
# endif MONITOR
/*
* execute:
* Execute a single command
*/
execute(pp)
register PLAYER *pp;
{
register char ch;
ch = pp->p_cbuf[pp->p_ncount++];
# ifdef FLY
if (pp->p_flying >= 0) {
switch (ch) {
case CTRL(L):
sendcom(pp, REDRAW);
break;
case 'q':
(void) strcpy(pp->p_death, "| Quit |");
break;
}
return;
}
# endif FLY
switch (ch) {
case CTRL(L):
sendcom(pp, REDRAW);
break;
case 'h':
move(pp, LEFTS);
break;
case 'H':
face(pp, LEFTS);
break;
case 'j':
move(pp, BELOW);
break;
case 'J':
face(pp, BELOW);
break;
case 'k':
move(pp, ABOVE);
break;
case 'K':
face(pp, ABOVE);
break;
case 'l':
move(pp, RIGHT);
break;
case 'L':
face(pp, RIGHT);
break;
case 'f':
fire(pp, SHOT);
break;
case 'g':
fire(pp, GRENADE);
break;
case 'F':
fire(pp, SATCHEL);
break;
case 'G':
fire(pp, BOMB);
break;
# ifdef OOZE
case 'o':
fire_slime(pp, SLIMEREQ);
break;
case 'O':
fire_slime(pp, SSLIMEREQ);
break;
# endif OOZE
case 's':
scan(pp);
break;
case 'c':
cloak(pp);
break;
case 'q':
(void) strcpy(pp->p_death, "| Quit |");
break;
}
}
/*
* move:
* Execute a move in the given direction
*/
move(pp, dir)
register PLAYER *pp;
int dir;
{
register PLAYER *newp;
register int x, y;
register FLAG moved;
register BULLET *bp;
y = pp->p_y;
x = pp->p_x;
switch (dir) {
case LEFTS:
x--;
break;
case RIGHT:
x++;
break;
case ABOVE:
y--;
break;
case BELOW:
y++;
break;
}
moved = FALSE;
switch (Maze[y][x]) {
case SPACE:
# ifdef RANDOM
case DOOR:
# endif RANDOM
moved = TRUE;
break;
case WALL1:
case WALL2:
case WALL3:
# ifdef REFLECT
case WALL4:
case WALL5:
# endif REFLECT
break;
case MINE:
case GMINE:
if (dir == pp->p_face)
pickup(pp, y, x, 5, Maze[y][x]);
else if (opposite(dir, pp->p_face))
pickup(pp, y, x, 95, Maze[y][x]);
else
pickup(pp, y, x, 50, Maze[y][x]);
Maze[y][x] = SPACE;
moved = TRUE;
break;
case SHOT:
case GRENADE:
case SATCHEL:
case BOMB:
bp = is_bullet(y, x);
if (bp != NULL)
bp->b_expl = TRUE;
Maze[y][x] = SPACE;
moved = TRUE;
break;
case LEFTS:
case RIGHT:
case ABOVE:
case BELOW:
# ifdef FLY
case FLYER:
# endif FLY
if (dir != pp->p_face)
sendcom(pp, BELL);
else {
newp = play_at(y, x);
checkdam(newp, pp, pp->p_ident, STABDAM, KNIFE);
}
break;
}
if (moved) {
if (pp->p_ncshot > 0)
if (--pp->p_ncshot == MAXNCSHOT) {
cgoto(pp, STAT_GUN_ROW, STAT_VALUE_COL);
outstr(pp, " ok", 3);
}
if (pp->p_undershot) {
fixshots(pp->p_y, pp->p_x, pp->p_over);
pp->p_undershot = FALSE;
}
drawplayer(pp, FALSE);
pp->p_over = Maze[y][x];
pp->p_y = y;
pp->p_x = x;
drawplayer(pp, TRUE);
}
}
/*
* face:
* Change the direction the player is facing
*/
face(pp, dir)
register PLAYER *pp;
register int dir;
{
if (pp->p_face != dir) {
pp->p_face = dir;
drawplayer(pp, TRUE);
}
}
/*
* fire:
* Fire a shot of the given type in the given direction
*/
fire(pp, type)
register PLAYER *pp;
register char type;
{
register int req_index;
static int req[4] = { BULREQ, GRENREQ, SATREQ, BOMBREQ };
static int shot_type[4] = { SHOT, GRENADE, SATCHEL, BOMB };
if (pp == NULL)
return;
if (pp->p_ammo == 0) {
message(pp, "No more charges.");
return;
}
if (pp->p_ncshot > MAXNCSHOT)
return;
if (pp->p_ncshot++ == MAXNCSHOT) {
cgoto(pp, STAT_GUN_ROW, STAT_VALUE_COL);
outstr(pp, " ", 3);
}
switch (type) {
case SHOT:
req_index = 0;
break;
case GRENADE:
req_index = 1;
break;
case SATCHEL:
req_index = 2;
break;
case BOMB:
req_index = 3;
break;
# ifdef DEBUG
default:
message(pp, "What you do!!!");
return;
# endif DEBUG
}
while (pp->p_ammo < req[req_index])
req_index--;
pp->p_ammo -= req[req_index];
(void) sprintf(Buf, "%3d", pp->p_ammo);
cgoto(pp, STAT_AMMO_ROW, STAT_VALUE_COL);
outstr(pp, Buf, 3);
add_shot(shot_type[req_index], pp->p_y, pp->p_x, pp->p_face,
req[req_index], pp, FALSE, pp->p_face);
pp->p_undershot = TRUE;
/*
* Show the object to everyone
*/
showexpl(pp->p_y, pp->p_x, shot_type[req_index]);
for (pp = Player; pp < End_player; pp++)
sendcom(pp, REFRESH);
# ifdef MONITOR
for (pp = Monitor; pp < End_monitor; pp++)
sendcom(pp, REFRESH);
# endif MONITOR
}
# ifdef OOZE
/*
* fire_slime:
* Fire a slime shot in the given direction
*/
fire_slime(pp, req)
register PLAYER *pp;
register int req;
{
if (pp == NULL)
return;
if (pp->p_ammo < req) {
message(pp, "Not enough charges.");
return;
}
if (pp->p_ncshot > MAXNCSHOT)
return;
if (pp->p_ncshot++ == MAXNCSHOT) {
cgoto(pp, STAT_GUN_ROW, STAT_VALUE_COL);
outstr(pp, " ", 3);
}
pp->p_ammo -= req;
(void) sprintf(Buf, "%3d", pp->p_ammo);
cgoto(pp, STAT_AMMO_ROW, STAT_VALUE_COL);
outstr(pp, Buf, 3);
add_shot(SLIME, pp->p_y, pp->p_x, pp->p_face, req, pp, FALSE,
pp->p_face);
/*
* Show the object to everyone
*/
showexpl(pp->p_y, pp->p_x, SLIME);
for (pp = Player; pp < End_player; pp++)
sendcom(pp, REFRESH);
# ifdef MONITOR
for (pp = Monitor; pp < End_monitor; pp++)
sendcom(pp, REFRESH);
# endif MONITOR
}
# endif OOZE
/*
* create_shot:
* Create a shot with the given properties
*/
add_shot(type, y, x, face, charge, owner, expl, over)
int type;
int y, x;
char face;
int charge;
PLAYER *owner;
int expl;
char over;
{
register BULLET *bp;
# ifdef CONSTANT_MOVE
/*
* if there are no bullets in flight, set up the alarm
*/
if (Bullets == NULL)
bul_alarm(1);
# endif CONSTANT_MOVE
bp = create_shot(type, y, x, face, charge, owner,
(owner == NULL) ? NULL : owner->p_ident, expl, over);
bp->b_next = Bullets;
Bullets = bp;
}
BULLET *
create_shot(type, y, x, face, charge, owner, score, expl, over)
int type;
int y, x;
char face;
int charge;
PLAYER *owner;
IDENT *score;
int expl;
char over;
{
register BULLET *bp;
bp = (BULLET *) malloc(sizeof (BULLET)); /* NOSTRICT */
if (bp == NULL) {
if (owner != NULL)
message(owner, "Out of memory");
return NULL;
}
bp->b_face = face;
bp->b_x = x;
bp->b_y = y;
bp->b_charge = charge;
bp->b_owner = owner;
bp->b_score = score;
bp->b_type = type;
bp->b_expl = expl;
bp->b_over = over;
bp->b_next = NULL;
return bp;
}
/*
* cloak:
* Turn on or increase length of a cloak
*/
cloak(pp)
register PLAYER *pp;
{
if (pp->p_ammo <= 0) {
message(pp, "No more charges");
return;
}
(void) sprintf(Buf, "%3d", --pp->p_ammo);
cgoto(pp, STAT_AMMO_ROW, STAT_VALUE_COL);
outstr(pp, Buf, 3);
pp->p_cloak += CLOAKLEN;
cgoto(pp, STAT_CLOAK_ROW, STAT_VALUE_COL);
outstr(pp, " on", 3);
if (pp->p_scan >= 0) {
pp->p_scan = -1;
cgoto(pp, STAT_SCAN_ROW, STAT_VALUE_COL);
outstr(pp, " ", 3);
}
showstat(pp);
}
/*
* scan:
* Turn on or increase length of a scan
*/
scan(pp)
register PLAYER *pp;
{
if (pp->p_ammo <= 0) {
message(pp, "No more charges");
return;
}
(void) sprintf(Buf, "%3d", --pp->p_ammo);
cgoto(pp, STAT_AMMO_ROW, STAT_VALUE_COL);
outstr(pp, Buf, 3);
pp->p_scan += SCANLEN;
cgoto(pp, STAT_SCAN_ROW, STAT_VALUE_COL);
outstr(pp, " on", 3);
if (pp->p_cloak >= 0) {
pp->p_cloak = -1;
cgoto(pp, STAT_CLOAK_ROW, STAT_VALUE_COL);
outstr(pp, " ", 3);
}
showstat(pp);
}
/*
* pickup:
* check whether the object blew up or whether he picked it up
*/
pickup(pp, y, x, prob, obj)
register PLAYER *pp;
register int y, x;
int prob;
int obj;
{
register int req;
switch (obj) {
case MINE:
req = BULREQ;
break;
case GMINE:
req = GRENREQ;
break;
default:
abort();
}
if (rand_num(100) < prob)
add_shot(obj, y, x, LEFTS, req, (PLAYER *) NULL,
TRUE, pp->p_face);
else {
pp->p_ammo += req;
(void) sprintf(Buf, "%3d", pp->p_ammo);
cgoto(pp, STAT_AMMO_ROW, STAT_VALUE_COL);
outstr(pp, Buf, 3);
}
}