int
sona(void)
{
struct nstr_item ni, nit;
struct sctstr sect;
struct shpstr ship;
struct shpstr targ;
struct natstr *natp;
struct mchrstr *mcp;
struct mchrstr *tmcp;
struct nstr_sect ns;
int range;
int visib, pingrange;
int srange;
int vrange;
int dist;
int x, y;
int cx, cy;
int changed = 0;
int row;
/* Where these are used are non-re-entrant, so we keep 'em around */
static char **rad = NULL;
static char *radbuf = NULL;
static signed char **vis = NULL;
static signed char *visbuf = NULL;
if (!snxtitem(&ni, EF_SHIP, player->argp[1], NULL))
return RET_SYN;
if (!radbuf)
radbuf = malloc(WORLD_Y * MAPWIDTH(1));
if (!visbuf)
visbuf = malloc(WORLD_Y * MAPWIDTH(1));
if (!rad && radbuf) {
rad = malloc(WORLD_Y * sizeof(char *));
if (rad) {
for (x = 0; x < WORLD_Y; x++) {
rad[x] = &radbuf[(WORLD_X + 1) * x];
}
}
}
if (!vis && visbuf) {
vis = malloc(WORLD_Y * sizeof(signed char *));
if (vis) {
for (x = 0; x < WORLD_Y; x++) {
vis[x] = &visbuf[(WORLD_X + 1) * x];
}
}
}
if (!radbuf || !visbuf || !rad || !vis) {
pr("Memory error, tell the deity.\n");
logerror("malloc failed in sona\n");
return RET_FAIL;
}
while (nxtitem(&ni, &ship)) {
if (!player->owner)
continue;
mcp = &mchr[(int)ship.shp_type];
if (!(mcp->m_flags & M_SONAR))
continue;
getsect(ship.shp_x, ship.shp_y, §);
if (sect.sct_type != SCT_WATER)
continue;
range = (int)techfact(ship.shp_tech, mcp->m_vrnge);
srange = MIN(7, 7 * range * ship.shp_effic / 200);
pr("%s at %s efficiency %d%%, max range %d\n",
prship(&ship),
xyas(ship.shp_x, ship.shp_y, player->cnum),
ship.shp_effic, srange);
snxtsct_dist(&ns, ship.shp_x, ship.shp_y, srange);
blankfill(radbuf, &ns.range, 1);
while (nxtsct(&ns, §)) {
if (player->owner || sect.sct_type == SCT_WATER)
rad[ns.dy][ns.dx] = dchr[sect.sct_type].d_mnem;
else {
rad[ns.dy][ns.dx] = '?';
}
}
snxtsct_dist(&ns, ship.shp_x, ship.shp_y, srange);
cx = deltx(&ns.range, ship.shp_x);
cy = delty(&ns.range, ship.shp_y);
while (nxtsct(&ns, §)) {
if (!line_of_sight(rad, cx, cy, ns.dx, ns.dy)) {
rad[ns.dy][ns.dx] = ' ';
continue;
}
if (ship.shp_tech >= 310 && sect.sct_type == SCT_WATER) {
if (sect.sct_mines) {
pr("Sonar detects %d mines in %s!\n",
sect.sct_mines,
xyas(sect.sct_x, sect.sct_y, player->cnum));
rad[ns.dy][ns.dx] = 'X';
}
}
changed |= map_set(player->cnum, sect.sct_x, sect.sct_y,
rad[ns.dy][ns.dx], 0);
}
memset(visbuf, 0, (WORLD_Y * (WORLD_X + 1)));
snxtitem_dist(&nit, EF_SHIP, ship.shp_x, ship.shp_y, range);
while (nxtitem(&nit, &targ)) {
if (targ.shp_own == player->cnum || targ.shp_own == 0)
continue;
tmcp = &mchr[(int)targ.shp_type];
visib = shp_visib(&targ);
pingrange = MIN(7, MAX(visib, 10) * range / 10);
vrange = pingrange * ship.shp_effic / 200;
dist = mapdist(targ.shp_x, targ.shp_y, ship.shp_x, ship.shp_y);
pingrange = (MAX(pingrange, 2) * targ.shp_effic) / 100;
if (dist > pingrange)
continue;
if (tmcp->m_flags & M_SONAR && targ.shp_own) {
natp = getnatp(targ.shp_own);
if (natp->nat_flags & NF_SONAR)
wu(0, targ.shp_own,
"Sonar ping from %s detected by %s!\n",
xyas(ship.shp_x, ship.shp_y,
targ.shp_own), prship(&targ));
if (targ.shp_rflags & RET_SONARED)
retreat_ship(&targ, targ.shp_own, 's');
}
if (dist > vrange)
continue;
x = deltx(&ns.range, (int)targ.shp_x);
y = delty(&ns.range, (int)targ.shp_y);
if (rad[y][x] != dchr[SCT_WATER].d_mnem && rad[y][x] != 'X')
continue;
if (tmcp->m_flags & M_SUB &&
relations_with(targ.shp_own, player->cnum) < FRIENDLY) {
if (mcp->m_vrnge + visib < 8)
pr("Sonar detects sub #%d @ %s\n",
targ.shp_uid,
xyas(targ.shp_x, targ.shp_y, player->cnum));
else if (mcp->m_vrnge + visib < 10)
pr("Sonar detects %s @ %s\n",
prship(&targ),
xyas(targ.shp_x, targ.shp_y, player->cnum));
else
pr("Sonar detects %s %s @ %s\n",
cname(targ.shp_own), prship(&targ),
xyas(targ.shp_x, targ.shp_y, player->cnum));
} else
pr("Sonar detects %s %s @ %s\n",
cname(targ.shp_own), prship(&targ),
xyas(targ.shp_x, targ.shp_y, player->cnum));
if (visib > vis[y][x]) {
vis[y][x] = visib;
/* &~0x20 makes it a cap letter */
rad[y][x] = (*mchr[(int)targ.shp_type].m_name) & ~0x20;
}
}
if (!player->argp[2]) {
rad[cy][cx] = '0';
for (row = 0; row < ns.range.height; row++)
if (!blankrow(rad[row]))
pr("%s\n", rad[row]);
}
pr("\n");
}
if (changed)
writemap(player->cnum);
return RET_OK;
}
void
plane_sona(struct emp_qelem *plane_list, int x, int y,
struct shiplist **head)
{
struct plnstr *pp;
struct plchrstr *pcp;
struct mchrstr *tmcp;
struct shpstr *targ, s;
struct natstr *natp;
struct emp_qelem *qp;
struct emp_qelem *next;
struct plist *ip;
struct sctstr sect;
int found = 0;
int range, i, vis;
int pingrange;
int vrange;
int dist;
getsect(x, y, §);
if ((sect.sct_type != SCT_WATER) && (sect.sct_type != SCT_HARBR))
return;
for (qp = plane_list->q_forw; qp != plane_list; qp = next) {
next = qp->q_forw;
ip = (struct plist *)qp;
pp = &ip->plane;
pcp = ip->pcp;
if (!(pcp->pl_flags & P_A)) /* if it isn't an ASW plane */
continue;
range = (int)techfact(pp->pln_tech, (100.0 - pln_acc(pp)) / 10.0);
for (i = 0; getship(i, &s); i++) {
targ = &s;
if (targ->shp_own == pp->pln_own || targ->shp_own == 0)
continue;
if (on_shiplist(targ->shp_uid, *head))
continue;
tmcp = &mchr[(int)targ->shp_type];
if (!(tmcp->m_flags & M_SUB))
continue;
if (!pct_chance(pln_identchance(pp, shp_hardtarget(targ),
EF_SHIP)))
continue;
vis = shp_visib(targ);
pingrange = MAX(vis, 10) * range / 10;
vrange = pingrange * (pp->pln_effic / 200.0);
dist = mapdist(targ->shp_x, targ->shp_y, x, y);
pingrange = (MAX(pingrange, 2) * targ->shp_effic);
pingrange = roundavg(pingrange / 100.0);
if (dist > pingrange)
continue;
if (tmcp->m_flags & M_SONAR && targ->shp_own) {
natp = getnatp(targ->shp_own);
if (natp->nat_flags & NF_SONAR)
wu(0, targ->shp_own,
"Sonar ping from %s detected by %s!\n",
xyas(x, y, targ->shp_own), prship(targ));
}
if ((dist > vrange))
continue;
add_shiplist(targ->shp_uid, head);
if (!found) {
pr("Sonar contact in %s\n", xyas(x, y, player->cnum));
found = 1;
}
if (relations_with(targ->shp_own, pp->pln_own) < FRIENDLY &&
!pct_chance(pln_identchance(pp, shp_hardtarget(targ),
EF_SHIP)))
if (!pct_chance(pln_identchance(pp, shp_hardtarget(targ),
EF_SHIP)))
pr("sub #%d %s\n", targ->shp_uid,
xyas(targ->shp_x, targ->shp_y, player->cnum));
else
pr("%s %s\n", prship(targ),
xyas(targ->shp_x, targ->shp_y, player->cnum));
else
pr("%s %s @ %s\n", cname(targ->shp_own), prship(targ),
xyas(targ->shp_x, targ->shp_y, player->cnum));
}
}
if (found)
pr("\n");
}
int
sdump(void)
{
int nships;
struct nstr_item ni;
struct shpstr ship;
int field[128];
struct natstr *np;
int n, i, npln, nch, nxl;
time_t now;
if (!snxtitem(&ni, EF_SHIP, player->argp[1], NULL))
return RET_SYN;
prdate();
if (!player->argp[2]) {
for (n = 1; n <= 34; n++)
field[n - 1] = n;
field[n - 1] = 0;
} else {
n = 2;
i = 0;
while (player->argp[n]) {
if (!strcmp("type", player->argp[n])) {
field[i++] = 1;
} else if (!strcmp("x", player->argp[n])) {
field[i++] = 2;
} else if (!strcmp("y", player->argp[n])) {
field[i++] = 3;
} else if (!strcmp("flt", player->argp[n])) {
field[i++] = 4;
} else if (!strcmp("eff", player->argp[n])) {
field[i++] = 5;
} else if (!strcmp("civ", player->argp[n])) {
field[i++] = 6;
} else if (!strcmp("mil", player->argp[n])) {
field[i++] = 7;
} else if (!strcmp("uw", player->argp[n])) {
field[i++] = 8;
} else if (!strcmp("food", player->argp[n])) {
field[i++] = 9;
} else if (!strcmp("pln", player->argp[n])) {
field[i++] = 10;
} else if (!strcmp("he", player->argp[n])) {
field[i++] = 11;
} else if (!strcmp("xl", player->argp[n])) {
field[i++] = 12;
} else if (!strcmp("land", player->argp[n])) {
field[i++] = 13;
} else if (!strcmp("mob", player->argp[n])) {
field[i++] = 14;
} else if (!strcmp("fuel", player->argp[n])) {
field[i++] = 15;
} else if (!strcmp("tech", player->argp[n])) {
field[i++] = 16;
} else if (!strcmp("shell", player->argp[n])) {
field[i++] = 17;
} else if (!strcmp("gun", player->argp[n])) {
field[i++] = 18;
} else if (!strcmp("petrol", player->argp[n])) {
field[i++] = 19;
} else if (!strcmp("iron", player->argp[n])) {
field[i++] = 20;
} else if (!strcmp("dust", player->argp[n])) {
field[i++] = 21;
} else if (!strcmp("bar", player->argp[n])) {
field[i++] = 22;
} else if (!strcmp("oil", player->argp[n])) {
field[i++] = 23;
} else if (!strcmp("lcm", player->argp[n])) {
field[i++] = 24;
} else if (!strcmp("hcm", player->argp[n])) {
field[i++] = 25;
} else if (!strcmp("rad", player->argp[n])) {
field[i++] = 26;
} else if (!strcmp("def", player->argp[n])) {
field[i++] = 27;
} else if (!strcmp("spd", player->argp[n])) {
field[i++] = 28;
} else if (!strcmp("vis", player->argp[n])) {
field[i++] = 29;
} else if (!strcmp("rng", player->argp[n])) {
field[i++] = 30;
} else if (!strcmp("fir", player->argp[n])) {
field[i++] = 31;
} else if (!strcmp("origx", player->argp[n])) {
field[i++] = 32;
} else if (!strcmp("origy", player->argp[n])) {
field[i++] = 33;
} else if (!strcmp("name", player->argp[n])) {
field[i++] = 34;
} else {
pr("Unrecognized field %s\n", player->argp[n]);
}
if (n++ > 100) {
pr("Too many fields\n");
return RET_FAIL;
}
}
field[i] = 0;
}
if (player->god)
pr(" ");
time(&now);
pr("DUMP SHIPS %ld\n", (long)now);
if (player->god)
pr("own ");
pr("id");
n = 0;
while (field[n]) {
switch (field[n]) {
case 1:
pr(" type");
break;
case 2:
pr(" x");
break;
case 3:
pr(" y");
break;
case 4:
pr(" flt");
break;
case 5:
pr(" eff");
break;
case 6:
pr(" civ");
break;
case 7:
pr(" mil");
break;
case 8:
pr(" uw");
break;
case 9:
pr(" food");
break;
case 10:
pr(" pln");
break;
case 11:
pr(" he");
break;
case 12:
pr(" xl");
break;
case 13:
pr(" land");
break;
case 14:
pr(" mob");
break;
case 15:
pr(" fuel");
break;
case 16:
pr(" tech");
break;
case 17:
pr(" shell");
break;
case 18:
pr(" gun");
break;
case 19:
pr(" petrol");
break;
case 20:
pr(" iron");
break;
case 21:
pr(" dust");
break;
case 22:
pr(" bar");
break;
case 23:
pr(" oil");
break;
case 24:
pr(" lcm");
break;
case 25:
pr(" hcm");
break;
case 26:
pr(" rad");
break;
case 27:
pr(" def");
break;
case 28:
pr(" spd");
break;
case 29:
pr(" vis");
break;
case 30:
pr(" rng");
break;
case 31:
pr(" fir");
break;
case 32:
pr(" origx");
break;
case 33:
pr(" origy");
break;
case 34:
pr(" name");
break;
}
n++;
}
pr("\n");
nships = 0;
np = getnatp(player->cnum);
while (nxtitem(&ni, &ship)) {
if (!player->owner || ship.shp_own == 0)
continue;
nships++;
npln = shp_nplane(&ship, &nch, &nxl, NULL);
if (player->god)
pr("%d ", ship.shp_own);
pr("%d", ni.cur);
n = 0;
while (field[n]) {
switch (field[n++]) {
case 1:
pr(" %.4s", mchr[(int)ship.shp_type].m_name);
break;
case 2:
pr(" %d", xrel(np, ship.shp_x));
break;
case 3:
pr(" %d", yrel(np, ship.shp_y));
break;
case 4:
pr(" %c", ship.shp_fleet ? ship.shp_fleet : '~');
break;
case 5:
pr(" %d", ship.shp_effic);
break;
case 6:
pr(" %d", ship.shp_item[I_CIVIL]);
break;
case 7:
pr(" %d", ship.shp_item[I_MILIT]);
break;
case 8:
pr(" %d", ship.shp_item[I_UW]);
break;
case 9:
pr(" %d", ship.shp_item[I_FOOD]);
break;
case 10:
pr(" %d", npln - nch - nxl);
break;
case 11:
pr(" %d", nch);
break;
case 12:
pr(" %d", nxl);
break;
case 13:
pr(" %d", shp_nland(&ship));
break;
case 14:
pr(" %d", ship.shp_mobil);
break;
case 15:
pr(" 0");
break;
case 16:
pr(" %d", ship.shp_tech);
break;
case 17:
pr(" %d", ship.shp_item[I_SHELL]);
break;
case 18:
pr(" %d", ship.shp_item[I_GUN]);
break;
case 19:
pr(" %d", ship.shp_item[I_PETROL]);
break;
case 20:
pr(" %d", ship.shp_item[I_IRON]);
break;
case 21:
pr(" %d", ship.shp_item[I_DUST]);
break;
case 22:
pr(" %d", ship.shp_item[I_BAR]);
break;
case 23:
pr(" %d", ship.shp_item[I_OIL]);
break;
case 24:
pr(" %d", ship.shp_item[I_LCM]);
break;
case 25:
pr(" %d", ship.shp_item[I_HCM]);
break;
case 26:
pr(" %d", ship.shp_item[I_RAD]);
break;
case 27:
pr(" %d", shp_armor(&ship));
break;
case 28:
pr(" %d", shp_speed(&ship));
break;
case 29:
pr(" %d", shp_visib(&ship));
break;
case 30:
pr(" %d", shp_frnge(&ship));
break;
case 31:
pr(" %d", shp_glim(&ship));
break;
case 32:
/*
* Disclosing construction site allows pirates to find
* harbors. Disclose it only to the original owner
* and to deities. Else dump illegal coordinates
* 1,0
*/
if (ship.shp_own == ship.shp_orig_own || player->god)
pr(" %d", xrel(np, ship.shp_orig_x));
else
pr(" 1");
break;
case 33:
/* see case 32 */
if (ship.shp_own == ship.shp_orig_own || player->god)
pr(" %d", yrel(np, ship.shp_orig_y));
else
pr(" 0");
break;
case 34:
pr(" %c%s%c", '"', ship.shp_name, '"');
break;
}
}
pr("\n");
}
if (nships == 0) {
if (player->argp[1])
pr("%s: No ship(s)\n", player->argp[1]);
else
pr("%s: No ship(s)\n", "");
return RET_FAIL;
} else
pr("%d ship%s\n", nships, splur(nships));
return RET_OK;
}
/*
* Draw a radar map for radar at @cx,@cy.
* @eff is the radar's efficiency, @tlev its tech level, @spy its power.
* Submarines are detected at fraction @seesub of the range.
*/
void
radmap(int cx, int cy, int eff, double tlev, int spy, double seesub)
{
int visib, rng;
struct sctstr sect;
struct shpstr ship;
struct plnstr plane;
struct nstr_sect ns;
struct nstr_item ni;
int x, y;
int row;
int n;
int range = rad_range(eff, tlev, spy);
int changed = 0;
if (!radbuf)
radbuf = malloc(WORLD_Y * MAPWIDTH(1));
if (!visbuf)
visbuf = malloc(WORLD_Y * MAPWIDTH(1));
if (!rad) {
rad = malloc(WORLD_Y * sizeof(char *));
if (rad && radbuf) {
for (x = 0; x < WORLD_Y; x++)
rad[x] = &radbuf[(WORLD_X + 1) * x];
}
}
if (!vis) {
vis = malloc(WORLD_Y * sizeof(signed char *));
if (vis && visbuf) {
for (x = 0; x < WORLD_Y; x++)
vis[x] = &visbuf[(WORLD_X + 1) * x];
}
}
if (!radbuf || !visbuf || !rad || !vis) {
pr("Memory error in radmap2, tell the deity.\n");
return;
}
memset(visbuf, 0, (WORLD_Y * (WORLD_X + 1)));
pr("%s efficiency %d%%, max range %d\n",
xyas(cx, cy, player->cnum), eff, range);
snxtsct_dist(&ns, cx, cy, range);
blankfill(radbuf, &ns.range, 1);
while (nxtsct(&ns, §)) {
rad[ns.dy][ns.dx] = rad_char(§, ns.curdist, range,
player->cnum);
changed += map_set(player->cnum, ns.x, ns.y, rad[ns.dy][ns.dx], 0);
}
if (changed)
writemap(player->cnum);
snxtitem_dist(&ni, EF_PLANE, cx, cy, range);
while (nxtitem(&ni, &plane)) {
if (plane.pln_own == 0)
continue;
/* Used to have 'ghosts' when scanning whole world --ts */
x = deltx(&ns.range, (int)plane.pln_x);
y = delty(&ns.range, (int)plane.pln_y);
if (pln_is_in_orbit(&plane) && plane.pln_own != player->cnum) {
vis[y][x] = 100;
rad[y][x] = '$';
}
}
snxtitem_dist(&ni, EF_SHIP, cx, cy, range);
while (nxtitem(&ni, &ship)) {
if (ship.shp_own == 0)
continue;
/* Used to have 'ghosts' when scanning whole world --ts */
x = deltx(&ns.range, (int)ship.shp_x);
y = delty(&ns.range, (int)ship.shp_y);
visib = shp_visib(&ship);
rng = (int)(range * visib / 20.0);
if (ni.curdist > rng)
continue;
if ((mchr[(int)ship.shp_type].m_flags & M_SUB) &&
ni.curdist > rng * seesub)
continue;
if (visib > vis[y][x]) {
vis[y][x] = visib;
/* &~0x20 makes it a cap letter */
rad[y][x] = (*mchr[(int)ship.shp_type].m_name) & ~0x20;
}
}
/*
* make the center of the display 0
* so ve et al can find it.
*/
rad[delty(&ns.range, cy)][deltx(&ns.range, cx)] = '0';
n = ns.range.height;
for (row = 0; row < n; row++)
pr("%s\n", rad[row]);
pr("\n");
}
static void
look_ship(struct shpstr *lookship)
{
struct shpstr *sp;
struct mchrstr *smcp;
struct mchrstr *tmcp;
struct sctstr sect;
int range;
int vrange;
int i;
int dist;
range = (int)techfact(lookship->shp_tech,
mchr[(int)lookship->shp_type].m_vrnge);
range = range * (lookship->shp_effic / 100.0);
smcp = &mchr[(int)lookship->shp_type];
if (smcp->m_flags & M_SUB)
range = MIN(range, 1);
for (i = 0; NULL != (sp = getshipp(i)); i++) {
if (sp->shp_own == player->cnum || sp->shp_own == 0)
continue;
dist = mapdist(sp->shp_x, sp->shp_y,
lookship->shp_x, lookship->shp_y);
if (dist > ship_max_interdiction_range)
continue;
tmcp = &mchr[(int)sp->shp_type];
if (smcp->m_flags & M_SUB)
vrange = (int)(shp_visib(sp) * range / 30.0);
else
vrange = (int)(shp_visib(sp) * range / 20.0);
getsect(sp->shp_x, sp->shp_y, §);
if (sect.sct_type != SCT_WATER)
vrange = MAX(1, vrange);
if (dist > vrange)
continue;
if (smcp->m_flags & M_SUB) {
if (tmcp->m_flags & M_SONAR && dist < 2) {
if (sp->shp_own != 0)
wu(0, sp->shp_own,
"%s detected surfacing noises in %s.\n",
prship(sp),
xyas(lookship->shp_x, lookship->shp_y,
sp->shp_own));
}
if (dist == 0 && (tmcp->m_flags & M_SUB) == 0)
if (sp->shp_own != 0)
wu(0, sp->shp_own,
"Periscope spotted in %s by %s\n",
xyas(lookship->shp_x, lookship->shp_y,
sp->shp_own), prship(sp));
}
/* subs at sea only seen by sonar */
if (tmcp->m_flags & M_SUB && sect.sct_type == SCT_WATER)
continue;
pr("%s %s @ %s\n",
prnatid(sp->shp_own), prship(sp),
xyas(sp->shp_x, sp->shp_y, player->cnum));
if (opt_HIDDEN)
setcont(player->cnum, sp->shp_own, FOUND_LOOK);
}
}
