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region.c
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1408 lines (1270 loc) · 43 KB
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/* NetHack 3.7 region.c $NHDT-Date: 1727251269 2024/09/25 08:01:09 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.104 $ */
/* Copyright (c) 1996 by Jean-Christophe Collet */
/* NetHack may be freely redistributed. See license for details. */
#include "hack.h"
/*
* This should really go into the level structure, but
* I'll start here for ease. It *WILL* move into the level
* structure eventually.
*/
#define NO_CALLBACK (-1)
void free_region(NhRegion *);
#ifndef SFCTOOL
boolean inside_gas_cloud(genericptr, genericptr);
boolean expire_gas_cloud(genericptr, genericptr);
boolean inside_rect(NhRect *, int, int);
NhRegion *create_region(NhRect *, int);
void add_rect_to_reg(NhRegion *, NhRect *);
void add_mon_to_reg(NhRegion *, struct monst *);
void remove_mon_from_reg(NhRegion *, struct monst *);
boolean mon_in_region(NhRegion *, struct monst *);
#if 0
NhRegion *clone_region(NhRegion *);
#endif
void add_region(NhRegion *);
void remove_region(NhRegion *);
#if 0
void replace_mon_regions(struct monst *,struct monst *);
void remove_mon_from_regions(struct monst *);
NhRegion *create_msg_region(coordxy,coordxy,coordxy,coordxy, const char *,
const char *);
boolean enter_force_field(genericptr,genericptr);
NhRegion *create_force_field(coordxy,coordxy,int,long);
#endif
staticfn void reset_region_mids(NhRegion *);
staticfn boolean is_hero_inside_gas_cloud(void);
staticfn void make_gas_cloud(NhRegion *, int, boolean) NONNULLARG1;
static const callback_proc callbacks[] = {
#define INSIDE_GAS_CLOUD 0
inside_gas_cloud,
#define EXPIRE_GAS_CLOUD 1
expire_gas_cloud
};
/* Should be inlined. */
boolean
inside_rect(NhRect *r, int x, int y)
{
return (boolean) (x >= r->lx && x <= r->hx && y >= r->ly && y <= r->hy);
}
/*
* Check if a point is inside a region.
*/
boolean
inside_region(NhRegion *reg, int x, int y)
{
int i;
if (reg == (NhRegion *) 0 || !inside_rect(&(reg->bounding_box), x, y))
return FALSE;
for (i = 0; i < reg->nrects; i++)
if (inside_rect(&(reg->rects[i]), x, y))
return TRUE;
return FALSE;
}
/*
* Create a region. It does not activate it.
*/
NhRegion *
create_region(NhRect *rects, int nrect)
{
int i;
NhRegion *reg;
reg = (NhRegion *) alloc(sizeof(NhRegion));
(void) memset((genericptr_t) reg, 0, sizeof(NhRegion));
/* Determines bounding box */
if (nrect > 0) {
reg->bounding_box = rects[0];
} else {
reg->bounding_box.lx = COLNO;
reg->bounding_box.ly = ROWNO;
reg->bounding_box.hx = 0; /* 1 */
reg->bounding_box.hy = 0;
}
reg->nrects = nrect;
reg->rects = (nrect > 0) ? (NhRect *) alloc(nrect * sizeof (NhRect)) : 0;
for (i = 0; i < nrect; i++) {
if (rects[i].lx < reg->bounding_box.lx)
reg->bounding_box.lx = rects[i].lx;
if (rects[i].ly < reg->bounding_box.ly)
reg->bounding_box.ly = rects[i].ly;
if (rects[i].hx > reg->bounding_box.hx)
reg->bounding_box.hx = rects[i].hx;
if (rects[i].hy > reg->bounding_box.hy)
reg->bounding_box.hy = rects[i].hy;
reg->rects[i] = rects[i];
}
reg->ttl = -1L; /* Defaults */
reg->attach_2_u = FALSE;
reg->attach_2_m = 0;
/* reg->attach_2_o = NULL; */
reg->enter_msg = (const char *) 0;
reg->leave_msg = (const char *) 0;
reg->expire_f = NO_CALLBACK;
reg->enter_f = NO_CALLBACK;
reg->can_enter_f = NO_CALLBACK;
reg->leave_f = NO_CALLBACK;
reg->can_leave_f = NO_CALLBACK;
reg->inside_f = NO_CALLBACK;
clear_hero_inside(reg);
clear_heros_fault(reg);
reg->n_monst = 0;
reg->max_monst = 0;
reg->monsters = (unsigned *) 0;
reg->arg = cg.zeroany;
return reg;
}
/*
* Add rectangle to region.
*/
void
add_rect_to_reg(NhRegion *reg, NhRect *rect)
{
NhRect *tmp_rect;
tmp_rect = (NhRect *) alloc((reg->nrects + 1) * sizeof (NhRect));
if (reg->nrects > 0) {
(void) memcpy((genericptr_t) tmp_rect, (genericptr_t) reg->rects,
reg->nrects * sizeof (NhRect));
free((genericptr_t) reg->rects);
}
tmp_rect[reg->nrects] = *rect;
reg->nrects++;
reg->rects = tmp_rect;
/* Update bounding box if needed */
if (reg->bounding_box.lx > rect->lx)
reg->bounding_box.lx = rect->lx;
if (reg->bounding_box.ly > rect->ly)
reg->bounding_box.ly = rect->ly;
if (reg->bounding_box.hx < rect->hx)
reg->bounding_box.hx = rect->hx;
if (reg->bounding_box.hy < rect->hy)
reg->bounding_box.hy = rect->hy;
}
/*
* Add a monster to the region
*/
void
add_mon_to_reg(NhRegion *reg, struct monst *mon)
{
int i;
unsigned *tmp_m;
/* if this is a long worm, it might already be present in the region;
only include it once no matter how segments the region contains */
if (mon_in_region(reg, mon)) {
if (mon->data != &mons[PM_LONG_WORM])
impossible("add_mon_to_reg: %s [#%u] already in region.",
m_monnam(mon), mon->m_id);
return;
}
if (reg->max_monst <= reg->n_monst) {
tmp_m = (unsigned *) alloc(sizeof (unsigned)
* (reg->max_monst + MONST_INC));
if (reg->max_monst > 0) {
for (i = 0; i < reg->max_monst; i++)
tmp_m[i] = reg->monsters[i];
free((genericptr_t) reg->monsters);
}
reg->monsters = tmp_m;
reg->max_monst += MONST_INC;
}
reg->monsters[reg->n_monst++] = mon->m_id;
}
/*
* Remove a monster from the region list (it left or died...)
*/
void
remove_mon_from_reg(NhRegion *reg, struct monst *mon)
{
int i;
for (i = 0; i < reg->n_monst; i++)
if (reg->monsters[i] == mon->m_id) {
reg->n_monst--;
reg->monsters[i] = reg->monsters[reg->n_monst];
return;
}
}
/*
* Check if a monster is inside the region.
* It's probably quicker to check with the region internal list
* than to check for coordinates.
*/
boolean
mon_in_region(NhRegion *reg, struct monst *mon)
{
int i;
for (i = 0; i < reg->n_monst; i++)
if (reg->monsters[i] == mon->m_id)
return TRUE;
return FALSE;
}
#if 0
/* not yet used */
/*
* Clone (make a standalone copy) the region.
*/
NhRegion *
clone_region(NhRegion *reg)
{
NhRegion *ret_reg;
unsigned *m_id_list;
short i;
ret_reg = create_region(reg->rects, reg->nrects);
ret_reg->ttl = reg->ttl;
ret_reg->attach_2_u = reg->attach_2_u;
ret_reg->attach_2_m = reg->attach_2_m;
/* ret_reg->attach_2_o = reg->attach_2_o; */
ret_reg->expire_f = reg->expire_f;
ret_reg->enter_f = reg->enter_f;
ret_reg->can_enter_f = reg->can_enter_f;
ret_reg->leave_f = reg->leave_f;
ret_reg->can_leave_f = reg->can_leave_f;
ret_reg->player_flags = reg->player_flags; /* set/clear_hero_inside,&c*/
ret_reg->n_monst = reg->n_monst;
ret_reg->max_monst = reg->max_monst;
if (reg->max_monst > 0) {
m_id_list = (unsigned *) alloc(reg->max_monst * sizeof (unsigned));
for (i = 0; i < reg->max_monst; ++i)
m_id_list[i] = reg->monsters[i];
} else
m_id_list = (unsigned *) 0;
ret_reg->monsters = m_id_list;
return ret_reg;
}
#endif /*0*/
#endif /* !SFCTOOL */
/*
* Free mem from region.
*/
void
free_region(NhRegion *reg)
{
if (reg) {
if (reg->rects)
free((genericptr_t) reg->rects);
if (reg->monsters)
free((genericptr_t) reg->monsters);
if (reg->enter_msg)
free((genericptr_t) reg->enter_msg);
if (reg->leave_msg)
free((genericptr_t) reg->leave_msg);
free((genericptr_t) reg);
}
}
#ifndef SFCTOOL
/*
* Add a region to the list.
* This actually activates the region.
*/
void
add_region(NhRegion *reg)
{
NhRegion **tmp_reg;
int i, j;
if (gm.max_regions <= svn.n_regions) {
tmp_reg = gr.regions;
gr.regions =
(NhRegion **) alloc((gm.max_regions + 10) * sizeof (NhRegion *));
if (gm.max_regions > 0) {
(void) memcpy((genericptr_t) gr.regions, (genericptr_t) tmp_reg,
gm.max_regions * sizeof (NhRegion *));
free((genericptr_t) tmp_reg);
}
gm.max_regions += 10;
}
gr.regions[svn.n_regions] = reg;
svn.n_regions++;
/* Check for monsters inside the region */
for (i = reg->bounding_box.lx; i <= reg->bounding_box.hx; i++)
for (j = reg->bounding_box.ly; j <= reg->bounding_box.hy; j++) {
struct monst *mtmp;
boolean is_inside = FALSE;
/* Some regions can cross the level boundaries */
if (!isok(i, j))
continue;
if (inside_region(reg, i, j)) {
is_inside = TRUE;
/* if there's a monster here, add it to the region */
if ((mtmp = m_at(i, j)) != 0
#if 0
/* leave this bit (to exclude long worm tails) out;
assume that worms use "cutaneous respiration" (they
breath through their skin rather than nose/gills/&c)
so their tails are susceptible to poison gas */
&& mtmp->mx == i && mtmp->my == j
#endif
) {
add_mon_to_reg(reg, mtmp);
}
}
if (reg->visible) {
if (is_inside)
block_point(i, j);
if (cansee(i, j))
newsym(i, j);
}
}
/* Check for player now... */
if (inside_region(reg, u.ux, u.uy))
set_hero_inside(reg);
else
clear_hero_inside(reg);
}
/*
* Remove a region from the list & free it.
*/
void
remove_region(NhRegion *reg)
{
int i, x, y;
for (i = 0; i < svn.n_regions; i++)
if (gr.regions[i] == reg)
break;
if (i == svn.n_regions)
return;
/* remove region before potential newsym() calls, but don't free it yet */
if (--svn.n_regions != i)
gr.regions[i] = gr.regions[svn.n_regions];
gr.regions[svn.n_regions] = (NhRegion *) 0;
/* Update screen if necessary */
reg->ttl = -2L; /* for visible_region_at */
if (reg->visible) {
int pass;
boolean tmp_uinwater = u.uinwater;
/* need to process the region's spots twice, first unblocking all
locations which no longer block line-of-sight, then redrawing
spots within revised line-of-sight; skip second pass if blind */
for (pass = 1; pass <= (Blind ? 1 : 2); ++pass) {
u.uinwater = (pass == 1) ? 0 : tmp_uinwater;
for (x = reg->bounding_box.lx; x <= reg->bounding_box.hx; x++)
for (y = reg->bounding_box.ly; y <= reg->bounding_box.hy; y++)
if (isok(x, y) && inside_region(reg, x, y)) {
if (pass == 1) {
if (!does_block(x, y, &levl[x][y]))
unblock_point(x, y);
} else { /* pass==2 */
if (cansee(x, y))
newsym(x, y);
}
}
}
u.uinwater = tmp_uinwater;
}
free_region(reg);
}
#endif /* !SFCTOOL */
/*
* Remove all regions and clear all related data. This must be done
* when changing level, for instance.
*/
void
clear_regions(void)
{
int i;
for (i = 0; i < svn.n_regions; i++)
free_region(gr.regions[i]);
svn.n_regions = 0;
if (gm.max_regions > 0)
free((genericptr_t) gr.regions);
gm.max_regions = 0;
gr.regions = (NhRegion **) 0;
}
#ifndef SFCTOOL
/*
* This function is called every turn.
* It makes the regions age, if necessary and calls the appropriate
* callbacks when needed.
*/
void
run_regions(void)
{
int i, j, k;
int f_indx;
/* reset some messaging variables */
gg.gas_cloud_diss_within = FALSE;
gg.gas_cloud_diss_seen = 0;
/* End of life ? */
/* Do it backward because the array will be modified */
for (i = svn.n_regions - 1; i >= 0; i--) {
if (gr.regions[i]->ttl == 0L) {
if ((f_indx = gr.regions[i]->expire_f) == NO_CALLBACK
|| (*callbacks[f_indx])(gr.regions[i], (genericptr_t) 0))
remove_region(gr.regions[i]);
}
}
/* Process remaining regions */
for (i = 0; i < svn.n_regions; i++) {
/* Make the region age */
if (gr.regions[i]->ttl > 0L)
gr.regions[i]->ttl--;
/* Check if player is inside region */
f_indx = gr.regions[i]->inside_f;
if (f_indx != NO_CALLBACK && hero_inside(gr.regions[i]))
(void) (*callbacks[f_indx])(gr.regions[i], (genericptr_t) 0);
/* Check if any monster is inside region */
if (f_indx != NO_CALLBACK) {
for (j = 0; j < gr.regions[i]->n_monst; j++) {
struct monst *mtmp =
find_mid(gr.regions[i]->monsters[j], FM_FMON);
if (!mtmp || DEADMONSTER(mtmp)
|| (*callbacks[f_indx])(gr.regions[i], mtmp)) {
/* The monster died, remove it from list */
k = (gr.regions[i]->n_monst -= 1);
gr.regions[i]->monsters[j] = gr.regions[i]->monsters[k];
gr.regions[i]->monsters[k] = 0;
--j; /* current slot has been reused; recheck it next */
}
}
}
}
if (gg.gas_cloud_diss_within) {
pline_The("gas cloud around you dissipates.");
/* normally won't see additional dissipation when within */
/* FIXME? this assumes that additional dissipation is close by */
if (u.xray_range <= 1)
gg.gas_cloud_diss_seen = 0;
gg.gas_cloud_diss_within = FALSE;
}
if (gg.gas_cloud_diss_seen) {
You_see("%s gas cloud%s dissipate.",
(gg.gas_cloud_diss_seen == 1) ? "a" : "some",
plur(gg.gas_cloud_diss_seen));
gg.gas_cloud_diss_seen = 0;
}
}
/*
* check whether player enters/leaves one or more regions.
*/
boolean
in_out_region(coordxy x, coordxy y)
{
int i, f_indx = 0;
/* First check if hero can do the move */
for (i = 0; i < svn.n_regions; i++) {
if (gr.regions[i]->attach_2_u)
continue;
if (inside_region(gr.regions[i], x, y)
? (!hero_inside(gr.regions[i])
&& (f_indx = gr.regions[i]->can_enter_f) != NO_CALLBACK)
: (hero_inside(gr.regions[i])
&& (f_indx = gr.regions[i]->can_leave_f) != NO_CALLBACK)) {
if (!(*callbacks[f_indx])(gr.regions[i], (genericptr_t) 0))
return FALSE;
}
}
/* Callbacks for the regions hero does leave */
for (i = 0; i < svn.n_regions; i++) {
if (gr.regions[i]->attach_2_u)
continue;
if (hero_inside(gr.regions[i])
&& !inside_region(gr.regions[i], x, y)) {
clear_hero_inside(gr.regions[i]);
if (gr.regions[i]->leave_msg != (const char *) 0)
pline1(gr.regions[i]->leave_msg);
if ((f_indx = gr.regions[i]->leave_f) != NO_CALLBACK)
(void) (*callbacks[f_indx])(gr.regions[i], (genericptr_t) 0);
}
}
/* Callbacks for the regions hero does enter */
for (i = 0; i < svn.n_regions; i++) {
if (gr.regions[i]->attach_2_u)
continue;
if (!hero_inside(gr.regions[i])
&& inside_region(gr.regions[i], x, y)) {
set_hero_inside(gr.regions[i]);
if (gr.regions[i]->enter_msg != (const char *) 0)
pline1(gr.regions[i]->enter_msg);
if ((f_indx = gr.regions[i]->enter_f) != NO_CALLBACK)
(void) (*callbacks[f_indx])(gr.regions[i], (genericptr_t) 0);
}
}
return TRUE;
}
/*
* check whether a monster enters/leaves one or more regions.
*/
boolean
m_in_out_region(struct monst *mon, coordxy x, coordxy y)
{
int i, f_indx = 0;
/* First check if mon can do the move */
for (i = 0; i < svn.n_regions; i++) {
if (gr.regions[i]->attach_2_m == mon->m_id)
continue;
if (inside_region(gr.regions[i], x, y)
? (!mon_in_region(gr.regions[i], mon)
&& (f_indx = gr.regions[i]->can_enter_f) != NO_CALLBACK)
: (mon_in_region(gr.regions[i], mon)
&& (f_indx = gr.regions[i]->can_leave_f) != NO_CALLBACK)) {
if (!(*callbacks[f_indx])(gr.regions[i], mon))
return FALSE;
}
}
/* Callbacks for the regions mon does leave */
for (i = 0; i < svn.n_regions; i++) {
if (gr.regions[i]->attach_2_m == mon->m_id)
continue;
if (mon_in_region(gr.regions[i], mon)
&& !inside_region(gr.regions[i], x, y)) {
remove_mon_from_reg(gr.regions[i], mon);
if ((f_indx = gr.regions[i]->leave_f) != NO_CALLBACK)
(void) (*callbacks[f_indx])(gr.regions[i], mon);
}
}
/* Callbacks for the regions mon does enter */
for (i = 0; i < svn.n_regions; i++) {
if (gr.regions[i]->attach_2_m == mon->m_id)
continue;
if (!mon_in_region(gr.regions[i], mon)
&& inside_region(gr.regions[i], x, y)) {
add_mon_to_reg(gr.regions[i], mon);
if ((f_indx = gr.regions[i]->enter_f) != NO_CALLBACK)
(void) (*callbacks[f_indx])(gr.regions[i], mon);
}
}
return TRUE;
}
/*
* Checks player's regions after a teleport for instance.
*/
void
update_player_regions(void)
{
int i;
for (i = 0; i < svn.n_regions; i++)
if (!gr.regions[i]->attach_2_u
&& inside_region(gr.regions[i], u.ux, u.uy))
set_hero_inside(gr.regions[i]);
else
clear_hero_inside(gr.regions[i]);
}
/*
* Ditto for a specified monster.
*/
void
update_monster_region(struct monst *mon)
{
int i;
for (i = 0; i < svn.n_regions; i++) {
if (inside_region(gr.regions[i], mon->mx, mon->my)) {
if (!mon_in_region(gr.regions[i], mon))
add_mon_to_reg(gr.regions[i], mon);
} else {
if (mon_in_region(gr.regions[i], mon))
remove_mon_from_reg(gr.regions[i], mon);
}
}
}
#if 0
/* not yet used */
/*
* Change monster pointer in gr.regions
* This happens, for instance, when a monster grows and
* need a new structure (internally that is).
*/
void
replace_mon_regions(monold, monnew)
struct monst *monold, *monnew;
{
int i;
for (i = 0; i < svn.n_regions; i++)
if (mon_in_region(gr.regions[i], monold)) {
remove_mon_from_reg(gr.regions[i], monold);
add_mon_to_reg(gr.regions[i], monnew);
}
}
/*
* Remove monster from all regions it was in (ie monster just died)
*/
void
remove_mon_from_regions(struct monst *mon)
{
int i;
for (i = 0; i < svn.n_regions; i++)
if (mon_in_region(gr.regions[i], mon))
remove_mon_from_reg(gr.regions[i], mon);
}
#endif /*0*/
/* per-turn damage inflicted by visible region; hides details from caller */
int
reg_damg(NhRegion *reg)
{
int damg = (!reg->visible || reg->ttl == -2L) ? 0 : reg->arg.a_int;
return damg;
}
/* check whether current level has any visible regions */
boolean
any_visible_region(void)
{
int i;
for (i = 0; i < svn.n_regions; i++) {
if (!gr.regions[i]->visible || gr.regions[i]->ttl == -2L)
continue;
return TRUE;
}
return FALSE;
}
/* for the wizard mode #timeout command */
void
visible_region_summary(winid win)
{
NhRegion *reg;
char buf[BUFSZ], typbuf[QBUFSZ];
int i, damg, hdr_done = 0;
const char *fldsep = iflags.menu_tab_sep ? "\t" : " ";
for (i = 0; i < svn.n_regions; i++) {
reg = gr.regions[i];
if (!reg->visible || reg->ttl == -2L)
continue;
if (!hdr_done++) {
putstr(win, 0, "");
putstr(win, 0, "Visible regions");
}
/*
* TODO? sort the regions by time-to-live or by bounding box.
*/
/* we display relative time (turns left) rather than absolute
(the turn when region will go away);
since time-to-live has already been decremented, regions
which are due to timeout on the next turn have ttl==0;
adding 1 is intended to make the display be less confusing */
Sprintf(buf, "%5ld", reg->ttl + 1L);
damg = reg->arg.a_int;
if (damg)
Sprintf(typbuf, "poison gas (%d)", damg);
else
Strcpy(typbuf, "vapor");
Sprintf(eos(buf), "%s%-16s", fldsep, typbuf);
Sprintf(eos(buf), "%s@[%d,%d..%d,%d]", fldsep,
reg->bounding_box.lx, reg->bounding_box.ly,
reg->bounding_box.hx, reg->bounding_box.hy);
putstr(win, 0, buf);
}
}
/*
* Check if a spot is under a visible region (eg: gas cloud).
* Returns NULL if not, otherwise returns region.
*/
NhRegion *
visible_region_at(coordxy x, coordxy y)
{
int i;
for (i = 0; i < svn.n_regions; i++) {
if (!gr.regions[i]->visible || gr.regions[i]->ttl == -2L)
continue;
if (inside_region(gr.regions[i], x, y))
return gr.regions[i];
}
return (NhRegion *) 0;
}
void
show_region(NhRegion *reg, coordxy x, coordxy y)
{
show_glyph(x, y, reg->glyph);
}
/**
* save_regions :
*/
void
save_regions(NHFILE *nhfp)
{
NhRegion *r;
int i, j;
unsigned n;
if (!update_file(nhfp))
goto skip_lots;
/* timestamp */
Sfo_long(nhfp, &svm.moves, "region-tmstamp");
Sfo_int(nhfp, &svn.n_regions, "region-region_count");
for (i = 0; i < svn.n_regions; i++) {
r = gr.regions[i];
Sfo_nhrect(nhfp, &r->bounding_box, "region-bounding_box");
Sfo_short(nhfp, &r->nrects, "region-nrects");
for (j = 0; j < r->nrects; j++) {
Sfo_nhrect(nhfp, &r->rects[j], "region-rect");
}
Sfo_boolean(nhfp, &r->attach_2_u, "region-attach_2_u");
Sfo_unsigned(nhfp, &r->attach_2_m, "region-attach_2_m");
n = 0;
n = !r->enter_msg ? 0U : (unsigned) strlen(r->enter_msg);
Sfo_unsigned(nhfp, &n, "region-enter_msg_length");
if (n > 0) {
Sfo_char(nhfp, (char *) r->enter_msg,
"region-enter_msg", (int) n);
}
n = !r->leave_msg ? 0U : (unsigned) strlen(r->leave_msg);
Sfo_unsigned(nhfp, &n, "region-leave_msg_length");
if (n > 0) {
Sfo_char(nhfp, (char *) r->leave_msg, "region-leave_msg", (int) n);
}
Sfo_long(nhfp, &r->ttl, "region-ttl");
Sfo_short(nhfp, &r->expire_f, "region-expire_f");
Sfo_short(nhfp, &r->can_enter_f, "region-can_enter_f");
Sfo_short(nhfp, &r->enter_f, "region-enter_f");
Sfo_short(nhfp, &r->can_leave_f, "region-can_leave_f");
Sfo_short(nhfp, &r->leave_f, "region-leave_f");
Sfo_short(nhfp, &r->inside_f, "region-inside_f");
Sfo_unsigned(nhfp, &r->player_flags, "region-player_flags");
Sfo_short(nhfp, &r->n_monst, "region-monster_count");
for (j = 0; j < r->n_monst; j++) {
Sfo_unsigned(nhfp, &r->monsters[j], "region-monster");
}
Sfo_boolean(nhfp, &r->visible, "region-visible");
Sfo_int(nhfp, &r->glyph, "region-glyph");
Sfo_any(nhfp, &r->arg, "region-arg");
}
skip_lots:
if (release_data(nhfp))
clear_regions();
}
#endif /* !SFCTOOL */
void
rest_regions(NHFILE *nhfp)
{
NhRegion *r;
int i, j;
unsigned n = 0;
long tmstamp = 0L;
char *msg_buf;
boolean ghostly = (nhfp->ftype == NHF_BONESFILE);
clear_regions(); /* Just for security */
Sfi_long(nhfp, &tmstamp, "region-tmstamp");
if (ghostly)
tmstamp = 0;
else
tmstamp = (svm.moves - tmstamp);
Sfi_int(nhfp, &svn.n_regions, "region-region_count");
gm.max_regions = svn.n_regions;
if (svn.n_regions > 0)
gr.regions = (NhRegion **) alloc(svn.n_regions * sizeof (NhRegion *));
for (i = 0; i < svn.n_regions; i++) {
r = gr.regions[i] = (NhRegion *) alloc(sizeof (NhRegion));
Sfi_nhrect(nhfp, &r->bounding_box, "region-bounding box");
Sfi_short(nhfp, &r->nrects, "region-nrects");
if (r->nrects > 0)
r->rects = (NhRect *) alloc(r->nrects * sizeof (NhRect));
else
r->rects = (NhRect *) 0;
for (j = 0; j < r->nrects; j++) {
Sfi_nhrect(nhfp, &r->rects[j], "region-rect");
}
Sfi_boolean(nhfp, &r->attach_2_u, "region-attach_2_u");
Sfi_unsigned(nhfp, &r->attach_2_m, "region-attach_2_m");
Sfi_unsigned(nhfp, &n, "region-enter_msg_length");
if (n > 0) {
msg_buf = (char *) alloc(n + 1);
Sfi_char(nhfp, msg_buf, "region-enter_msg", n);
msg_buf[n] = '\0';
} else {
msg_buf = (char *) 0;
}
r->enter_msg = (const char *) msg_buf;
Sfi_unsigned(nhfp, &n, "region-leave_msg_length");
if (n > 0) {
msg_buf = (char *) alloc(n + 1);
Sfi_char(nhfp, msg_buf, "region-leave_msg", n);
msg_buf[n] = '\0';
r->leave_msg = (const char *) msg_buf;
} else {
msg_buf = (char *) 0;
}
r->leave_msg = (const char *) msg_buf;
Sfi_long(nhfp, &r->ttl, "region-ttl");
/* check for expired region */
if (r->ttl >= 0L)
r->ttl = (r->ttl > tmstamp) ? r->ttl - tmstamp : 0L;
Sfi_short(nhfp, &r->expire_f, "region-expire_f");
Sfi_short(nhfp, &r->can_enter_f, "region-can_enter_f");
Sfi_short(nhfp, &r->enter_f, "region-enter_f");
Sfi_short(nhfp, &r->can_leave_f, "region-can_leave_f");
Sfi_short(nhfp, &r->leave_f, "region-leave_f");
Sfi_short(nhfp, &r->inside_f, "region-inside_f");
Sfi_unsigned(nhfp, &r->player_flags, "region-player_flags");
if (ghostly) { /* settings pertained to old player */
clear_hero_inside(r);
clear_heros_fault(r);
}
Sfi_short(nhfp, &r->n_monst, "region-monster_count");
if (r->n_monst > 0)
r->monsters = (unsigned *) alloc(r->n_monst * sizeof (unsigned));
else
r->monsters = (unsigned *) 0;
r->max_monst = r->n_monst;
for (j = 0; j < r->n_monst; j++) {
Sfi_unsigned(nhfp, &r->monsters[j], "region-monster");
}
Sfi_boolean(nhfp, &r->visible, "region-visible");
Sfi_int(nhfp, &r->glyph, "region-glyph");
Sfi_any(nhfp, &r->arg, "region-arg");
}
#ifndef SFCTOOL
/* remove expired regions, do not trigger the expire_f callback (yet!);
also update monster lists if this data is coming from a bones file */
for (i = svn.n_regions - 1; i >= 0; i--) {
r = gr.regions[i];
if (r->ttl == 0L)
remove_region(r);
else if (ghostly && r->n_monst > 0)
reset_region_mids(r);
}
#endif /* !SFCTOOL */
}
#ifndef SFCTOOL
DISABLE_WARNING_FORMAT_NONLITERAL
/* to support '#stats' wizard-mode command */
void
region_stats(
const char *hdrfmt,
char *hdrbuf,
long *count,
long *size)
{
NhRegion *rg;
int i;
/* other stats formats take one parameter; this takes two */
Sprintf(hdrbuf, hdrfmt, (long) sizeof (NhRegion), (long) sizeof (NhRect));
*count = (long) svn.n_regions; /* might be 0 even tho max_regions isn't */
*size = (long) gm.max_regions * (long) sizeof (NhRegion);
for (i = 0; i < svn.n_regions; ++i) {
rg = gr.regions[i];
*size += (long) rg->nrects * (long) sizeof (NhRect);
if (rg->enter_msg)
*size += (long) (strlen(rg->enter_msg) + 1);
if (rg->leave_msg)
*size += (long) (strlen(rg->leave_msg) + 1);
*size += (long) rg->max_monst * (long) sizeof *rg->monsters;
}
/* ? */
}
RESTORE_WARNING_FORMAT_NONLITERAL
/* update monster IDs for region being loaded from bones; `ghostly' implied */
staticfn void
reset_region_mids(NhRegion *reg)
{
int i = 0, n = reg->n_monst;
unsigned *mid_list = reg->monsters;
while (i < n)
if (!lookup_id_mapping(mid_list[i], &mid_list[i])) {
/* shrink list to remove missing monster; order doesn't matter */
mid_list[i] = mid_list[--n];
} else {
/* move on to next monster */
++i;
}
reg->n_monst = n;
return;
}
#if 0
/* not yet used */
/*--------------------------------------------------------------*
* *
* Create Region with just a message *
* *
*--------------------------------------------------------------*/
NhRegion *
create_msg_region(
coordxy x, coordxy y, coordxy w, coordxy h,
const char *msg_enter, const char *msg_leave)
{
NhRect tmprect;
NhRegion *reg = create_region((NhRect *) 0, 0);
if (msg_enter)
reg->enter_msg = dupstr(msg_enter);
if (msg_leave)
reg->leave_msg = dupstr(msg_leave);
tmprect.lx = x;
tmprect.ly = y;
tmprect.hx = x + w;
tmprect.hy = y + h;
add_rect_to_reg(reg, &tmprect);
reg->ttl = -1L;
return reg;
}
/*--------------------------------------------------------------*
* *
* Force Field Related Cod *
* (unused yet) *
*--------------------------------------------------------------*/
boolean
enter_force_field(genericptr_t p1, genericptr_t p2)
{
struct monst *mtmp;
if (p2 == (genericptr_t) 0) { /* That means the player */
if (!Blind)
You("bump into %s. Ouch!",
Hallucination ? "an invisible tree"
: "some kind of invisible wall");
else
pline("Ouch!");
} else {
mtmp = (struct monst *) p2;
if (canseemon(mtmp))
pline("%s bumps into %s!", Monnam(mtmp), something);
}
return FALSE;
}