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core: turn divecomputer list into std::vector<>

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Since struct divecomputer is now fully C++ (i.e. cleans up
after itself), we can simply turn the list of divecomputers
into an std::vector<>. This makes the code quite a bit simpler,
because the first divecomputer was actually a subobject.

Yes, this makes the common case of a single divecomputer a
little bit less efficient, but it really shouldn't matter.
If it does, we can still write a special std::vector<>-
like container that keeps the first element inline.

This change makes pointers-to-divecomputers not stable.
So always access the divecomputer via its index. As
far as I can tell, most of the code already does this.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-05-27 17:09:48 +02:00 • committed by bstoeger
parent e237f29fb2
commit 284582d2e8
54 changed files with 738 additions and 893 deletions
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20
core/statistics.cpp
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@ -151,8 +151,8 @@ stats_summary calculate_stats_summary(bool selected_only)
out.stats_by_type[0].selection_size++;
process_dive(dp, out.stats_by_type[0]);
process_dive(dp, out.stats_by_type[dp->dc.divemode + 1]);
out.stats_by_type[dp->dc.divemode + 1].selection_size++;
process_dive(dp, out.stats_by_type[dp->dcs[0].divemode + 1]);
out.stats_by_type[dp->dcs[0].divemode + 1].selection_size++;
/* stats_by_depth[0] is all the dives combined */
out.stats_by_depth[0].selection_size++;
@ -273,7 +273,6 @@ bool has_gaschange_event(const struct dive *dive, const struct divecomputer *dc,
bool is_cylinder_used(const struct dive *dive, int idx)
{
const struct divecomputer *dc;
cylinder_t *cyl;
if (idx < 0 || idx >= dive->cylinders.nr)
return false;
@ -285,10 +284,10 @@ bool is_cylinder_used(const struct dive *dive, int idx)
if ((cyl->sample_start.mbar - cyl->sample_end.mbar) > SOME_GAS)
return true;
for_each_dc(dive, dc) {
if (has_gaschange_event(dive, dc, idx))
for (auto &dc: dive->dcs) {
if (has_gaschange_event(dive, &dc, idx))
return true;
else if (dc->divemode == CCR && idx == get_cylinder_idx_by_use(dive, OXYGEN))
else if (dc.divemode == CCR && idx == get_cylinder_idx_by_use(dive, OXYGEN))
return true;
}
return false;
@ -296,15 +295,12 @@ bool is_cylinder_used(const struct dive *dive, int idx)
bool is_cylinder_prot(const struct dive *dive, int idx)
{
const struct divecomputer *dc;
if (idx < 0 || idx >= dive->cylinders.nr)
return false;
for_each_dc(dive, dc) {
if (has_gaschange_event(dive, dc, idx))
return true;
}
return false;
return std::any_of(dive->dcs.begin(), dive->dcs.end(),
[dive, idx](auto &dc)
{ return has_gaschange_event(dive, &dc, idx); });
}
/* Returns a vector with dive->cylinders.nr entries */