diff options
| -rw-r--r-- | dive.h | 1 | ||||
| -rw-r--r-- | planner.c | 89 |
2 files changed, 90 insertions, 0 deletions
@@ -602,6 +602,7 @@ struct divedatapoint { int depth; int o2; int he; + gboolean entered; struct divedatapoint *next; }; @@ -67,6 +67,16 @@ static int get_gasidx(struct dive *dive, int o2, int he) return -1; } +static void get_gas_string(int o2, int he, char *text, int len) +{ + if (he == 0 && (o2 == 0 || (o2 >= O2_IN_AIR - 1 && o2 <= O2_IN_AIR + 1))) + snprintf(text, len, _("air")); + else if (he == 0) + snprintf(text, len, _("EAN%d"), (o2 + 5) / 10); + else + snprintf(text, len, "(%d/%d)", (o2 + 5) / 10, (he + 5) / 10); +} + /* returns the tissue tolerance at the end of this (partial) dive */ double tissue_at_end(struct dive *dive, char **cached_datap) { @@ -248,6 +258,7 @@ struct divedatapoint *create_dp(int time_incr, int depth, int o2, int he) dp->depth = depth; dp->o2 = o2; dp->he = he; + dp->entered = FALSE; dp->next = NULL; return dp; } @@ -280,10 +291,15 @@ void add_duration_to_nth_dp(struct diveplan *diveplan, int idx, int duration, gb dp->time = duration; } +/* this function is ONLY called from the dialog callback - so it + * marks this entry as 'entered'. + * Do NOT call from other parts of the planning code without changing + * that logic */ void add_depth_to_nth_dp(struct diveplan *diveplan, int idx, int depth) { struct divedatapoint *dp = get_nth_dp(diveplan, idx); dp->depth = depth; + dp->entered = TRUE; } void add_gas_to_nth_dp(struct diveplan *diveplan, int idx, int o2, int he) @@ -412,6 +428,78 @@ static int *sort_stops(int *dstops, int dnr, struct gaschanges *gstops, int gnr) return stoplevels; } +static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive) +{ + char buffer[2000]; + int len, lastdepth = 0, lasttime = 0; + struct divedatapoint *dp = diveplan->dp; + int o2, he; + + if (!dp) + return; + + snprintf(buffer, sizeof(buffer), "Subsurface dive plan\nbased on GFlow = %.0f and GFhigh = %.0f\n\n", + prefs.gflow * 100, prefs.gfhigh * 100); + /* we start with gas 0, then check if that was changed */ + o2 = dive->cylinder[0].gasmix.o2.permille; + he = dive->cylinder[0].gasmix.he.permille; + do { + const char *depth_unit; + char gas[12]; + double depthvalue; + int decimals; + int newo2 = o2, newhe = he; + struct divedatapoint *nextdp; + + if (dp->time == 0) + continue; + 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 */ + nextdp = dp->next; + while (nextdp && nextdp->time == 0) + nextdp = nextdp->next; + if (nextdp) { + newo2 = nextdp->o2; + newhe = nextdp->he; + if (newhe == 0 && newo2 == 0) { + /* same as last segment */ + newo2 = o2; + newhe = he; + } + } + /* do we want to skip this leg as it is devoid of anything useful? */ + if (!dp->entered && o2 == newo2 && he == newhe && nextdp && dp->depth != lastdepth && nextdp->depth != dp->depth) + continue; + get_gas_string(o2, he, gas, 12); + len = strlen(buffer); + if (dp->depth != lastdepth) { + snprintf(buffer + len, sizeof(buffer) - len, "Transition to %.*f %s in %d:%02d min - runtime %d:%02u on %s\n", + decimals, depthvalue, depth_unit, + FRACTION(dp->time - lasttime, 60), + FRACTION(dp->time, 60), + gas); + } else { + snprintf(buffer + len, sizeof(buffer) - len, "Stay at %.*f %s for %d:%02d min - runtime %d:%02u on %s\n", + decimals, depthvalue, depth_unit, + FRACTION(dp->time - lasttime, 60), + FRACTION(dp->time, 60), + gas); + } + get_gas_string(newo2, newhe, gas, 12); + if (o2 != newo2 || he != newhe) { + len = strlen(buffer); + snprintf(buffer + len, sizeof(buffer) - len, "Switch gas to %s\n", gas); + } + o2 = newo2; + he = newhe; + lasttime = dp->time; + lastdepth = dp->depth; + } while((dp = dp->next) != NULL); + dive->notes = strdup(buffer); +} + void plan(struct diveplan *diveplan, char **cached_datap, struct dive **divep) { struct dive *dive; @@ -504,6 +592,7 @@ void plan(struct diveplan *diveplan, char **cached_datap, struct dive **divep) record_dive(dive); stopidx--; } + add_plan_to_notes(diveplan, dive); /* now make the dive visible in the dive list */ report_dives(FALSE, FALSE); show_and_select_dive(dive); |