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Show ascent gas consumption separately in planner

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In the worst gase you have to provide gas for your buddy during all the
ascent. So you should have the amount of gas used in ascent as a reserve.
This patch makes the planner notes display that value separately.

Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Robert C. Helling 2014-07-01 09:37:49 +02:00 committed by Dirk Hohndel
parent 2766ed8093
commit 1b7abab9b9
3 changed files with 14 additions and 6 deletions
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1
dive.h
View file

@ -63,6 +63,7 @@ typedef struct
depth_t depth;
bool manually_added;
volume_t gas_used;
volume_t deco_gas_used;
} cylinder_t;
typedef struct

3
equipment.c
View file

@ -57,7 +57,8 @@ bool cylinder_nodata(cylinder_t *cyl)
!cyl->gasmix.he.permille &&
!cyl->start.mbar &&
!cyl->end.mbar &&
!cyl->gas_used.mliter;
!cyl->gas_used.mliter &&
!cyl->deco_gas_used.mliter;
}
static bool cylinder_nosamples(cylinder_t *cyl)

16
planner.c
View file

@ -217,7 +217,7 @@ static int verify_gas_exists(struct dive *dive, struct gasmix mix_in)
/* calculate the new end pressure of the cylinder, based on its current end pressure and the
* latest segment. */
static void update_cylinder_pressure(struct dive *d, int old_depth, int new_depth, int duration, int sac, cylinder_t *cyl)
static void update_cylinder_pressure(struct dive *d, int old_depth, int new_depth, int duration, int sac, cylinder_t *cyl, bool in_deco)
{
volume_t gas_used;
pressure_t delta_p;
@ -228,6 +228,8 @@ static void update_cylinder_pressure(struct dive *d, int old_depth, int new_dept
mean_depth.mm = (old_depth + new_depth) / 2;
gas_used.mliter = depth_to_atm(mean_depth.mm, d) * sac / 60 * duration;
cyl->gas_used.mliter += gas_used.mliter;
if (in_deco)
cyl->deco_gas_used.mliter += gas_used.mliter;
if (cyl->type.size.mliter) {
delta_p.mbar = gas_used.mliter * 1000.0 / cyl->type.size.mliter;
cyl->end.mbar -= delta_p.mbar;
@ -320,7 +322,7 @@ static struct dive *create_dive_from_plan(struct diveplan *diveplan, struct dive
sample->time.seconds = lasttime = time;
sample->depth.mm = lastdepth = depth;
update_cylinder_pressure(dive, sample[-1].depth.mm, depth, time - sample[-1].time.seconds,
dp->entered ? diveplan->bottomsac : diveplan->decosac, cyl);
dp->entered ? diveplan->bottomsac : diveplan->decosac, cyl, !dp->entered);
sample->cylinderpressure.mbar = cyl->end.mbar;
finish_sample(dc);
dp = dp->next;
@ -637,15 +639,17 @@ static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool
snprintf(temp, sizeof(temp), "%s", translate("gettextFromC", "Gas consumption:"));
len += snprintf(buffer + len, sizeof(buffer) - len, "</tbody></table></div><div><br>%s<br>", temp);
for (gasidx = 0; gasidx < MAX_CYLINDERS; gasidx++) {
double volume;
const char *unit;
double volume, deco_volume, deco_pressure;
const char *unit, *pressure_unit;
char warning[1000] = "";
cylinder_t *cyl = &dive->cylinder[gasidx];
if (cylinder_none(cyl))
break;
volume = get_volume_units(cyl->gas_used.mliter, NULL, &unit);
deco_volume = get_volume_units(cyl->deco_gas_used.mliter, NULL, &unit);
if (cyl->type.size.mliter) {
deco_pressure = get_pressure_units(1000.0 * cyl->deco_gas_used.mliter / cyl->type.size.mliter, &pressure_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 */
@ -653,8 +657,10 @@ static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool
snprintf(warning, sizeof(warning), " &mdash; <span style='color: red;'>%s </span> %s",
translate("gettextFromC", "Warning:"),
translate("gettextFromC", "this is more gas than available in the specified cylinder!"));
snprintf(temp, sizeof(temp), translate("gettextFromC", "%.0f%s (%.0f%s/%.0f%s in planned ascent) of %s"), volume, unit, deco_volume, unit, deco_pressure, pressure_unit, gasname(&cyl->gasmix));
} else {
snprintf(temp, sizeof(temp), translate("gettextFromC", "%.0f%s (%.0f%s during planned ascent) of %s"), volume, unit, deco_volume, unit, gasname(&cyl->gasmix));
}
snprintf(temp, sizeof(temp), translate("gettextFromC", "%.0f%s of %s"), volume, unit, gasname(&cyl->gasmix));
len += snprintf(buffer + len, sizeof(buffer) - len, "%s%s<br>", temp, warning);
}
dp = diveplan->dp;