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Fixup gaschange events.

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Signed-off-by: Michael Keller <github@ike.ch>
This commit is contained in:
Michael Keller 2024-09-30 01:30:30 +13:00
parent 0a27f124fd
commit b51ece8de0
2 changed files with 36 additions and 18 deletions
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52
core/dive.cpp
View file

@ -595,18 +595,6 @@ static void sanitize_cylinder_info(struct dive &dive)
}
}
/* some events should never be thrown away */
static bool is_potentially_redundant(const struct event &event)
{
if (event.name == "gaschange")
return false;
if (event.name == "bookmark")
return false;
if (event.name == "heading")
return false;
return true;
}
pressure_t dive::calculate_surface_pressure() const
{
pressure_t res;
@ -720,21 +708,51 @@ static temperature_t un_fixup_airtemp(const struct dive &a)
* is no dive computer with a sample rate of more than 60
* seconds... that would be pretty pointless to plot the
* profile with)
*
* We also throw away CCR bailout events if they are
* indicating a switch to a mode that is already defined by
* the gas currently used, or to be used within the next minute.
*/
static void fixup_dc_events(struct divecomputer &dc)
static void fixup_dc_events(struct dive &dive, struct divecomputer &dc)
{
std::vector<int> to_delete;
divemode_t current_divemode = dc.divemode;
struct cylinder_t *current_cylinder = dive.get_cylinder(0);
divemode_t new_divemode;
for (auto [idx, event]: enumerated_range(dc.events)) {
if (!is_potentially_redundant(event))
if (event.name == "bookmark" || event.name == "heading")
continue;
if (event.is_gaschange() && event.gas.index >= 0) {
current_cylinder = dive.get_cylinder(event.gas.index);
current_divemode = get_effective_divemode(dc, *current_cylinder);
} else if (event.is_divemodechange()) {
new_divemode = static_cast<divemode_t>(event.value);
if (!((dc.divemode == CCR && prefs.allowOcGasAsDiluent && current_cylinder->cylinder_use == OC_GAS) || dc.divemode == PSCR)) {
to_delete.push_back(idx);
continue;
} else if (new_divemode != current_divemode) {
current_divemode = new_divemode;
}
}
for (int idx2 = idx - 1; idx2 > 0; --idx2) {
const auto &prev = dc.events[idx2];
if ((event.time - prev.time).seconds > 60)
break;
if (range_contains(to_delete, idx2))
continue;
if (prev.name == event.name && prev.flags == event.flags) {
if ((event.time - prev.time).seconds <= 10 && event.is_gaschange() && prev.is_divemodechange()) {
new_divemode = static_cast<divemode_t>(prev.value);
if (new_divemode != current_divemode)
current_divemode = new_divemode;
else
to_delete.push_back(idx2);
}
if (!event.is_gaschange() && prev.name == event.name && prev.flags == event.flags) {
to_delete.push_back(idx);
break;
}
@ -1047,7 +1065,7 @@ static void fixup_dive_dc(struct dive &dive, struct divecomputer &dc)
/* Fix up cylinder pressures based on DC info */
fixup_dive_pressures(dive, dc);
fixup_dc_events(dc);
fixup_dc_events(dive, dc);
/* Fixup CCR / PSCR dives with o2sensor values, but without no_o2sensors */
fixup_no_o2sensors(dc);

2
core/equipment.cpp
View file

@ -27,7 +27,7 @@ cylinder_t::~cylinder_t() = default;
static cylinder_t make_surface_air_cylinder()
{
cylinder_t res;
res.cylinder_use = NOT_USED;
res.cylinder_use = OC_GAS;
return res;
}
static const cylinder_t surface_air_cylinder = make_surface_air_cylinder();