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

Planner: more fixes for gas tracking

Browse source 
Gas switches are now for the current segment, not for the next.

We can only track gas for cylinders for which we have size / working
pressure information. Print a warning for others.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2014-06-01 07:55:07 -07:00
parent 81e3f77447
commit f44a7509b3
1 changed files with 22 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
planner.c
View file

@ -537,24 +537,21 @@ static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool
snprintf(buffer, sizeof(buffer),
translate("gettextFromC", "%s\nSubsurface dive plan\nbased on GFlow = %d and GFhigh = %d\n\n"),
disclaimer, diveplan->gflow, diveplan->gfhigh);
/* we start with gas 0, then check if that was changed */
o2 = get_o2(&dive->cylinder[0].gasmix);
he = get_he(&dive->cylinder[0].gasmix);
do {
const char *depth_unit;
char gas[64];
double depthvalue;
int decimals;
double used;
int newo2 = o2, newhe = he;
int newo2 = -1, newhe = -1;
struct divedatapoint *nextdp;
if (dp->time == 0)
continue;
o2 = dp->o2;
he = dp->he;
depthvalue = get_depth_units(dp->depth, &decimals, &depth_unit);
/* do we change gas after this segment? We need to look at the gas
* for the next segment (that isn't just a record of available gas !!)
* to find out */
/* analyze the dive points ahead */
nextdp = dp->next;
while (nextdp && nextdp->time == 0)
nextdp = nextdp->next;
@ -585,13 +582,14 @@ static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool
FRACTION(dp->time - lasttime, 60),
FRACTION(dp->time, 60),
gas);
get_gas_string(newo2, newhe, gas, sizeof(gas));
if (o2 != newo2 || he != newhe) {
if (nextdp && (o2 != newo2 || he != newhe) ) {
// gas switch at this waypoint
get_gas_string(newo2, newhe, gas, sizeof(gas));
len = strlen(buffer);
snprintf(buffer + len, sizeof(buffer) - len, translate("gettextFromC", "Switch gas to %s\n"), gas);
o2 = newo2;
he = newhe;
}
o2 = newo2;
he = newhe;
lasttime = dp->time;
lastdepth = dp->depth;
} while ((dp = dp->next) != NULL);
@ -605,17 +603,21 @@ static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool
cylinder_t *cyl = &dive->cylinder[gasidx];
if (cylinder_none(cyl))
break;
int consumed = mbar_to_atm(cyl->start.mbar - cyl->end.mbar) * cyl->type.size.mliter;
/* Warn if the plan uses more gas than is available in a cylinder
* This only works if we have working pressure for the cylinder
* 10bar is a made up number - but it seemed silly to pretend you could breathe cylinder down to 0 */
if (cyl->type.workingpressure.mbar && cyl->end.mbar < 10000)
warning = translate("gettextFromC", "WARNING: this is more gas than available in the specified cylinder!");
len = strlen(buffer);
volume = get_volume_units(consumed, NULL, &unit);
get_gas_string(get_o2(&cyl->gasmix), get_he(&cyl->gasmix), gas, sizeof(gas));
snprintf(buffer + len, sizeof(buffer) - len, translate("gettextFromC", "%.0f%s of %s%s\n"), volume, unit, gas, warning);
if (cyl->type.workingpressure.mbar) {
int consumed = mbar_to_atm(cyl->start.mbar - cyl->end.mbar) * cyl->type.size.mliter;
volume = get_volume_units(consumed, NULL, &unit);
/* Warn if the plan uses more gas than is available in a cylinder
* This only works if we have working pressure for the cylinder
* 10bar is a made up number - but it seemed silly to pretend you could breathe cylinder down to 0 */
if (cyl->end.mbar < 10000)
warning = translate("gettextFromC", "WARNING: this is more gas than available in the specified cylinder!");
snprintf(buffer + len, sizeof(buffer) - len, translate("gettextFromC", "%.0f%s of %s%s\n"), volume, unit, gas, warning);
} else {
fprintf(stderr, "we really should calculate the consumption even without cylinder data\n");
snprintf(buffer + len, sizeof(buffer) - len, translate("gettextFromC", "did not track volume for %s"), gas);
}
}
dive->notes = strdup(buffer);
}