diff options
Diffstat (limited to 'planner.c')
| -rw-r--r-- | planner.c | 64 |
1 files changed, 39 insertions, 25 deletions
@@ -406,37 +406,37 @@ struct gaschanges { int gasidx; }; -static struct gaschanges *analyze_gaslist(struct diveplan *diveplan, struct dive *dive, int *gaschangenr, int depth) + + +static struct gaschanges *analyze_gaslist(struct diveplan *diveplan, struct dive *dive, int *gaschangenr, int depth, int *asc_cylinder) { int nr = 0; struct gaschanges *gaschanges = NULL; struct divedatapoint *dp = diveplan->dp; - struct gasmix mix; - + int best_depth = dive->cylinder[*asc_cylinder].depth.mm; while (dp) { - if (dp->time == 0 && dp->depth <= depth) { - int i = 0, j = 0; - nr++; - gaschanges = realloc(gaschanges, nr * sizeof(struct gaschanges)); - while (i < nr - 1) { - if (dp->depth < gaschanges[i].depth) { - memmove(gaschanges + i + 1, gaschanges + i, (nr - i - 1) * sizeof(struct gaschanges)); - break; + if (dp->time == 0) { + if (dp->depth <= depth) { + int i = 0; + nr++; + gaschanges = realloc(gaschanges, nr * sizeof(struct gaschanges)); + while (i < nr - 1) { + if (dp->depth < gaschanges[i].depth) { + memmove(gaschanges + i + 1, gaschanges + i, (nr - i - 1) * sizeof(struct gaschanges)); + break; + } + i++; } - i++; - } - gaschanges[i].depth = dp->depth; - gaschanges[i].gasidx = -1; - mix.o2.permille = dp->o2; - mix.he.permille = dp->he; - do { - if (!gasmix_distance(&dive->cylinder[j].gasmix, &mix)) { - gaschanges[i].gasidx = j; - break; + gaschanges[i].depth = dp->depth; + gaschanges[i].gasidx = get_gasidx(dive, dp->o2, dp->he); + assert(gaschanges[i].gasidx != -1); + } else { + /* is there a better mix to start deco? */ + if (dp->depth < best_depth) { + best_depth = dp->depth; + *asc_cylinder = get_gasidx(dive, dp->o2, dp->he); } - j++; - } while (j < MAX_CYLINDERS); - assert(gaschanges[i].gasidx != -1); + } } dp = dp->next; } @@ -632,6 +632,7 @@ void plan(struct diveplan *diveplan, char **cached_datap, struct dive **divep, s int clock, previous_point_time; int avg_depth, bottom_time; int last_ascend_rate; + int best_first_ascend_cylinder; set_gf(diveplan->gflow, diveplan->gfhigh, default_prefs.gf_low_at_maxdepth); if (!diveplan->surface_pressure) @@ -677,8 +678,9 @@ void plan(struct diveplan *diveplan, char **cached_datap, struct dive **divep, s printf("depth %5.2lfm ceiling %5.2lfm\n", depth / 1000.0, ceiling / 1000.0); #endif + best_first_ascend_cylinder = current_cylinder; /* Find the gases available for deco */ - gaschanges = analyze_gaslist(diveplan, dive, &gaschangenr, depth); + gaschanges = analyze_gaslist(diveplan, dive, &gaschangenr, depth, &best_first_ascend_cylinder); /* Find the first potential decostopdepth above current depth */ for (stopidx = 0; stopidx < sizeof(decostoplevels) / sizeof(int); stopidx++) if (decostoplevels[stopidx] >= depth) @@ -693,6 +695,18 @@ void plan(struct diveplan *diveplan, char **cached_datap, struct dive **divep, s bottom_time = clock = previous_point_time = dive->dc.sample[dive->dc.samples - 1].time.seconds; gi = gaschangenr - 1; + if (best_first_ascend_cylinder != current_cylinder) { + stopping = true; + + current_cylinder = best_first_ascend_cylinder; + o2 = get_o2(&dive->cylinder[current_cylinder].gasmix); + he = get_he(&dive->cylinder[current_cylinder].gasmix); +#if DEBUG_PLAN & 16 + printf("switch to gas %d (%d/%d) @ %5.2lfm\n", best_first_ascend_cylinder, + (o2 + 5) / 10, (he + 5) / 10, gaschanges[best_first_ascend_cylinder].depth / 1000.0); +#endif + + } while (1) { /* We will break out when we hit the surface */ do { |