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-rw-r--r--equipment.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/equipment.c b/equipment.c
index fd0d6ee0c..3111ed599 100644
--- a/equipment.c
+++ b/equipment.c
@@ -182,11 +182,20 @@ void remove_weightsystem(struct dive *dive, int idx)
memset(ws + nr, 0, sizeof(*ws));
}
+/* when planning a dive we need to make sure that all cylinders have a sane depth assigned
+ * and that the pressures are reset to start = end = workingpressure */
void reset_cylinders(struct dive *dive)
{
int i;
+ pressure_t pO2 = {.mbar = 1400};
+
for (i = 0; i < MAX_CYLINDERS; i++) {
- if (dive->cylinder[i].type.workingpressure.mbar)
- dive->cylinder[i].start.mbar = dive->cylinder[i].end.mbar = dive->cylinder[i].type.workingpressure.mbar;
+ cylinder_t *cyl = &dive->cylinder[i];
+ if (cylinder_none(cyl))
+ continue;
+ if (cyl->depth.mm == 0) /* if the gas doesn't give a mod, assume conservative pO2 */
+ cyl->depth = gas_mod(&cyl->gasmix, pO2);
+ if (cyl->type.workingpressure.mbar)
+ cyl->start.mbar = cyl->end.mbar = cyl->type.workingpressure.mbar;
}
}