/*
* format: skywatch [<SECTS>]
*/
int
skyw(void)
{
struct sctstr sect;
struct nstr_sect nstr;
struct sky *skyp;
struct sky *list[TSIZE];
int i, n;
int vrange, see;
int x, y, dx, dy, dxmax;
int nsat = 0;
double tech;
struct nstr_item ni;
if (!snxtsct(&nstr, player->argp[1]))
return RET_SYN;
for (i = 0; i < TSIZE; i++)
list[i] = NULL;
skyp = malloc(sizeof(*skyp));
snxtitem_all(&ni, EF_PLANE);
while (nxtitem(&ni, &skyp->s_sat)) {
if (!skyp->s_sat.pln_own)
continue;
if (!pln_is_in_orbit(&skyp->s_sat))
continue;
getsect(skyp->s_sat.pln_x, skyp->s_sat.pln_y, §);
n = scthash(skyp->s_sat.pln_x, skyp->s_sat.pln_y, TSIZE);
skyp->s_spotted = 0;
skyp->s_next = list[n];
list[n] = skyp;
skyp = malloc(sizeof(*skyp));
nsat++;
}
/* get that last one! */
free(skyp);
pr("- = [ Skywatch report for %s ] = -\n", cname(player->cnum));
pr(" Country Satellite Location\n");
tech = tfact(player->cnum, 1.0);
while (nxtsct(&nstr, §) && nsat) {
if (sect.sct_own != player->cnum)
continue;
see = sect.sct_type == SCT_RADAR ? 14 : 4;
vrange = (int)(sect.sct_effic / 100.0 * see * tech);
if (vrange < 1)
vrange = 1;
for (dy = -vrange; dy <= vrange; dy++) {
y = ynorm(sect.sct_y + dy);
dxmax = 2 * vrange - abs(dy);
for (dx = -dxmax; dx <= dxmax; dx += 2) {
x = xnorm(sect.sct_x + dx);
n = scthash(x, y, TSIZE);
if (!list[n])
continue;
nsat -= showsat(&list[n], x, y);
}
}
}
/* free up the sky structs calloc'ed above */
for (i = 0; i < TSIZE; i++) {
while (NULL != (skyp = list[i])) {
list[i] = skyp->s_next;
free(skyp);
}
}
return RET_OK;
}
/*
* format: coastwatch [<SECTS>]
*/
int
coas(void)
{
struct sctstr sect;
struct nstr_sect nstr;
struct coast *cp;
struct coast *list[TSIZE];
int i, n;
int vrange, see;
int x, y, dx, dy, dxmax;
int nship = 0;
double tech;
struct nstr_item ni;
if (!snxtsct(&nstr, player->argp[1]))
return RET_SYN;
for (i = 0; i < TSIZE; i++)
list[i] = NULL;
cp = malloc(sizeof(*cp));
snxtitem_all(&ni, EF_SHIP);
while (nxtitem(&ni, &cp->c_shp)) {
if (cp->c_shp.shp_own == 0 || cp->c_shp.shp_own == player->cnum)
continue;
/*
* don't bother putting subs in the table...
* unless they're in a sector you own (harbor or such)
*/
getsect(cp->c_shp.shp_x, cp->c_shp.shp_y, §);
if ((mchr[(int)cp->c_shp.shp_type].m_flags & M_SUB) &&
(sect.sct_own != player->cnum))
continue;
n = scthash(cp->c_shp.shp_x, cp->c_shp.shp_y, TSIZE);
cp->c_spotted = 0;
cp->c_number = i;
cp->c_next = list[n];
list[n] = cp;
cp = malloc(sizeof(*cp));
nship++;
}
/* get that last one! */
free(cp);
pr("- = [ Coastwatch report for %s ] = -\n", cname(player->cnum));
pr(" Country Ship Location\n");
tech = tfact(player->cnum, 1.0);
while (nxtsct(&nstr, §) && nship) {
if (sect.sct_own != player->cnum)
continue;
see = sect.sct_type == SCT_RADAR ? 14 : 4;
vrange = (int)(sect.sct_effic / 100.0 * see * tech);
if (vrange < 1)
vrange = 1;
for (dy = -vrange; dy <= vrange; dy++) {
y = ynorm(sect.sct_y + dy);
dxmax = 2 * vrange - abs(dy);
for (dx = -dxmax; dx <= dxmax; dx += 2) {
x = xnorm(sect.sct_x + dx);
n = scthash(x, y, TSIZE);
if (!list[n])
continue;
nship -= showship(&list[n], x, y);
}
}
}
/* free up the coast structs calloc'ed above */
for (i = 0; i < TSIZE; i++) {
while (NULL != (cp = list[i])) {
list[i] = cp->c_next;
free(cp);
}
}
return RET_OK;
}
