mifr/subsurface
1
0
Fork 0
mirror of https://github.com/subsurface/subsurface.git synced 2025-02-19 22:16:15 +00:00
Code Issues Projects Releases Packages Wiki Activity

core: move get_dive_gas() to struct dive

Browse source 
It is unclear why this was declared in divelist.h.

Moreover, rename it to get_maximal_gas() to better reflect
what it does.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-06-24 21:04:31 +02:00 • committed by bstoeger
parent 4d7291d4a1
commit 3aab33ba4c
8 changed files with 44 additions and 48 deletions
Download patch file Download diff file Expand all files Collapse all files

37
core/dive.cpp
View file

@ -2666,3 +2666,40 @@ temperature_t dive::dc_airtemp() const
return temperature_t();
return temperature_t{ static_cast<uint32_t>((sum + nr / 2) / nr) };
}
/*
* Get "maximal" dive gas for a dive.
* Rules:
* - Trimix trumps nitrox (highest He wins, O2 breaks ties)
* - Nitrox trumps air (even if hypoxic)
* These are the same rules as the inter-dive sorting rules.
*/
dive::get_maximal_gas_result dive::get_maximal_gas() const
{
int maxo2 = -1, maxhe = -1, mino2 = 1000;
for (auto [i, cyl]: enumerated_range(cylinders)) {
int o2 = get_o2(cyl.gasmix);
int he = get_he(cyl.gasmix);
if (!is_cylinder_used(this, i))
continue;
if (cyl.cylinder_use == OXYGEN)
continue;
if (cyl.cylinder_use == NOT_USED)
continue;
if (o2 > maxo2)
maxo2 = o2;
if (o2 < mino2 && maxhe <= 0)
mino2 = o2;
if (he > maxhe) {
maxhe = he;
mino2 = o2;
}
}
/* All air? Show/sort as "air"/zero */
if ((!maxhe && maxo2 == O2_IN_AIR && mino2 == maxo2) ||
(maxo2 == -1 && maxhe == -1 && mino2 == 1000))
maxo2 = mino2 = 0;
return { mino2, maxhe, maxo2 };
}