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subs: Factor lnd_check_one_mines() out of lnd_check_mines()

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Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
This commit is contained in:
Markus Armbruster 2014-12-29 17:55:56 +01:00
parent b0221b9d2f
commit 5ce7419ef7
1 changed files with 25 additions and 17 deletions
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36
src/lib/subs/lndsub.c
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@ -660,37 +660,45 @@ contains_engineer(struct emp_qelem *list)
return 0;
}
static int
lnd_check_one_mines(struct ulist *llp, int with_eng)
{
struct sctstr sect;
getsect(llp->unit.land.lnd_x, llp->unit.land.lnd_y, &sect);
if (SCT_LANDMINES(&sect) == 0)
return 0;
if (relations_with(sect.sct_oldown, llp->unit.land.lnd_own) == ALLIED)
return 0;
if (chance(DMINE_LHITCHANCE(sect.sct_mines) / (1 + 2 * with_eng))) {
lnd_hit_mine(&llp->unit.land);
sect.sct_mines--;
putsect(&sect);
putland(llp->unit.land.lnd_uid, &llp->unit.land);
if (!llp->unit.land.lnd_own)
return 1;
}
return 0;
}
int
lnd_check_mines(struct emp_qelem *land_list)
{
struct emp_qelem *qp;
struct emp_qelem *next;
struct ulist *llp;
struct sctstr sect;
int stopping = 0;
int with_eng = contains_engineer(land_list);
for (qp = land_list->q_back; qp != land_list; qp = next) {
next = qp->q_back;
llp = (struct ulist *)qp;
getsect(llp->unit.land.lnd_x, llp->unit.land.lnd_y, &sect);
if (SCT_LANDMINES(&sect) == 0)
continue;
if (relations_with(sect.sct_oldown, llp->unit.land.lnd_own)
== ALLIED)
continue;
if (chance(DMINE_LHITCHANCE(sect.sct_mines) / (1 + 2 * with_eng))) {
lnd_hit_mine(&llp->unit.land);
sect.sct_mines--;
putsect(&sect);
putland(llp->unit.land.lnd_uid, &llp->unit.land);
if (!llp->unit.land.lnd_own) {
if (lnd_check_one_mines(llp, with_eng)) {
stopping = 1;
emp_remque(qp);
free(qp);
}
}
}
return stopping;
}