bool DivePlannerPointsModel::addGas(struct gasmix mix)
{
sanitize_gasmix(&mix);
for (int i = 0; i < MAX_CYLINDERS; i++) {
cylinder_t *cyl = &displayed_dive.cylinder[i];
if (cylinder_nodata(cyl)) {
fill_default_cylinder(cyl);
cyl->gasmix = mix;
/* The depth to change to that gas is given by the depth where its pO₂ is 1.6 bar.
* The user should be able to change this depth manually. */
pressure_t modpO2;
modpO2.mbar = prefs.decopo2;
cyl->depth = gas_mod(&mix, modpO2, M_OR_FT(3,10));
// FIXME -- need to get rid of stagingDIve
// the following now uses displayed_dive !!!!
CylindersModel::instance()->updateDive();
return true;
}
if (!gasmix_distance(&cyl->gasmix, &mix))
return true;
}
qDebug("too many gases");
return false;
}
void DivePlannerPointsModel::tanksUpdated()
{
// we don't know exactly what changed - what we care about is
// "did a gas change on us". So we look through the diveplan to
// see if there is a gas that is now missing and if there is, we
// replace it with the matching new gas.
QVector<QPair<int, int> > gases = collectGases(&displayed_dive);
if (gases.count() == oldGases.count()) {
// either nothing relevant changed, or exactly ONE gasmix changed
for (int i = 0; i < gases.count(); i++) {
if (gases.at(i) != oldGases.at(i)) {
if (oldGases.count(oldGases.at(i)) > 1) {
// we had this gas more than once, so don't
// change segments that used this gas as it still exists
break;
}
for (int j = 0; j < rowCount(); j++) {
divedatapoint &p = divepoints[j];
struct gasmix gas;
gas.o2.permille = oldGases.at(i).first;
gas.he.permille = oldGases.at(i).second;
if (gasmix_distance(&gas, &p.gasmix) < 100) {
p.gasmix.o2.permille = gases.at(i).first;
p.gasmix.he.permille = gases.at(i).second;
}
}
break;
}
}
}
emit dataChanged(createIndex(0, 0), createIndex(rowCount() - 1, COLUMNS - 1));
}
int get_gasidx(struct dive *dive, struct gasmix *mix)
{
int gasidx = -1;
while (++gasidx < MAX_CYLINDERS)
if (gasmix_distance(&dive->cylinder[gasidx].gasmix, mix) < 200)
return gasidx;
return -1;
}
void DivePlannerPointsModel::gaschange(const QModelIndex &index, QString newgas)
{
int i = index.row();
gasmix oldgas = divepoints[i].gasmix;
gasmix gas = { 0 };
if (!validate_gas(newgas.toUtf8().data(), &gas))
return;
while (i < rowCount() && gasmix_distance(&oldgas, &divepoints[i].gasmix) == 0)
divepoints[i++].gasmix = gas;
emit dataChanged(createIndex(0, 0), createIndex(rowCount() - 1, COLUMNS - 1));
}
/* look at all dive computers and figure out if this cylinder is used anywhere
* d has to be a valid dive (test before calling)
* cyl does not have to be a cylinder that is part of this dive structure */
bool cylinder_is_used(struct dive *d, cylinder_t *cyl)
{
struct divecomputer *dc = &d->dc;
bool same_as_first = gasmix_distance(&cyl->gasmix, &d->cylinder[0].gasmix) < 200;
while (dc) {
struct event *ev = get_next_event(dc->events, "gaschange");
if (same_as_first && (!ev || ev->time.seconds > 30)) {
// unless there is a gas change in the first 30 seconds we can
// always mark the first cylinder as used
return true;
}
while (ev) {
if (gasmix_distance(&cyl->gasmix, get_gasmix_from_event(ev)) < 200)
return true;
ev = get_next_event(ev->next, "gaschange");
}
dc = dc->next;
}
return false;
}
bool DivePlannerPointsModel::tankInUse(struct gasmix gasmix)
{
for (int j = 0; j < rowCount(); j++) {
divedatapoint &p = divepoints[j];
if (p.time == 0) // special entries that hold the available gases
continue;
if (!p.entered) // removing deco gases is ok
continue;
if (gasmix_distance(&p.gasmix, &gasmix) < 100)
return true;
}
return false;
}
/* if a default cylinder is set, use that */
void fill_default_cylinder(cylinder_t *cyl)
{
const char *cyl_name = prefs.default_cylinder;
struct tank_info_t *ti = tank_info;
pressure_t pO2 = {.mbar = 1600};
if (!cyl_name)
return;
while (ti->name != NULL) {
if (strcmp(ti->name, cyl_name) == 0)
break;
ti++;
}
if (ti->name == NULL)
/* didn't find it */
return;
cyl->type.description = strdup(ti->name);
if (ti->ml) {
cyl->type.size.mliter = ti->ml;
cyl->type.workingpressure.mbar = ti->bar * 1000;
} else {
cyl->type.workingpressure.mbar = psi_to_mbar(ti->psi);
if (ti->psi)
cyl->type.size.mliter = cuft_to_l(ti->cuft) * 1000 / bar_to_atm(psi_to_bar(ti->psi));
}
// MOD of air
cyl->depth = gas_mod(&cyl->gasmix, pO2, 1);
}
/* make sure that the gas we are switching to is represented in our
* list of cylinders */
static int verify_gas_exists(struct gasmix mix_in)
{
int i;
cylinder_t *cyl;
for (i = 0; i < MAX_CYLINDERS; i++) {
cyl = displayed_dive.cylinder + i;
if (cylinder_nodata(cyl))
continue;
if (gasmix_distance(&cyl->gasmix, &mix_in) < 200)
return i;
}
fprintf(stderr, "this gas %s should have been on the cylinder list\nThings will fail now\n", gasname(&mix_in));
return -1;
}
void CylindersModel::remove(const QModelIndex &index)
{
if (index.column() != REMOVE) {
return;
}
int same_gas = -1;
cylinder_t *cyl = &displayed_dive.cylinder[index.row()];
struct gasmix *mygas = &cyl->gasmix;
for (int i = 0; i < MAX_CYLINDERS; i++) {
if (i == index.row() || cylinder_none(&displayed_dive.cylinder[i]))
continue;
struct gasmix *gas2 = &displayed_dive.cylinder[i].gasmix;
if (gasmix_distance(mygas, gas2) == 0)
same_gas = i;
}
if (same_gas == -1 &&
((DivePlannerPointsModel::instance()->currentMode() != DivePlannerPointsModel::NOTHING &&
DivePlannerPointsModel::instance()->tankInUse(cyl->gasmix)) ||
(DivePlannerPointsModel::instance()->currentMode() == DivePlannerPointsModel::NOTHING &&
(cyl->manually_added || is_cylinder_used(&displayed_dive, index.row()))))) {
QMessageBox::warning(MainWindow::instance(), TITLE_OR_TEXT(
tr("Cylinder cannot be removed"),
tr("This gas is in use. Only cylinders that are not used in the dive can be removed.")),
QMessageBox::Ok);
return;
}
beginRemoveRows(QModelIndex(), index.row(), index.row()); // yah, know, ugly.
rows--;
if (index.row() == 0) {
// first gas - we need to make sure that the same gas ends up
// as first gas
memmove(cyl, &displayed_dive.cylinder[same_gas], sizeof(*cyl));
remove_cylinder(&displayed_dive, same_gas);
} else {
remove_cylinder(&displayed_dive, index.row());
}
changed = true;
endRemoveRows();
}
static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool show_disclaimer)
{
char buffer[20000], temp[1000];
int len, lastdepth = 0, lasttime = 0;
struct divedatapoint *dp = diveplan->dp;
bool gaschange = !plan_verbatim;
struct divedatapoint *nextdp = NULL;
disclaimer = translate("gettextFromC", "DISCLAIMER / WARNING: THIS IS A NEW IMPLEMENTATION OF THE BUHLMANN "
"ALGORITHM AND A DIVE PLANNER IMPLEMENTION BASED ON THAT WHICH HAS "
"RECEIVED ONLY A LIMITED AMOUNT OF TESTING. WE STRONGLY RECOMMEND NOT TO "
"PLAN DIVES SIMPLY BASED ON THE RESULTS GIVEN HERE.");
if (!dp)
return;
len = show_disclaimer ? snprintf(buffer, sizeof(buffer), "<div><b>%s<b></div><br>", disclaimer) : 0;
snprintf(temp, sizeof(temp), translate("gettextFromC", "based on GFlow = %d and GFhigh = %d"),
diveplan->gflow, diveplan->gfhigh);
len += snprintf(buffer + len, sizeof(buffer) - len, "<div><b>%s</b><br>%s</div><br>",
translate("gettextFromC", "Subsurface dive plan"), temp);
if (!plan_verbatim) {
len += snprintf(buffer + len, sizeof(buffer) - len, "<div><table><thead><tr><th>%s</th>",
translate("gettextFromC", "depth"));
if (plan_display_runtime)
len += snprintf(buffer + len, sizeof(buffer) - len, "<th style='padding-left: 10px;'>%s</th>",
translate("gettextFromC", "runtime"));
if (plan_display_duration)
len += snprintf(buffer + len, sizeof(buffer) - len, "<th style='padding-left: 10px;'>%s</th>",
translate("gettextFromC", "duration"));
len += snprintf(buffer + len, sizeof(buffer) - len,
"<th style='padding-left: 10px; float: left;'>%s</th></tr></thead><tbody style='float: left;'>",
translate("gettextFromC", "gas"));
}
do {
struct gasmix gasmix, newgasmix = {};
const char *depth_unit;
double depthvalue;
int decimals;
if (dp->time == 0)
continue;
gasmix = dp->gasmix;
depthvalue = get_depth_units(dp->depth, &decimals, &depth_unit);
/* analyze the dive points ahead */
nextdp = dp->next;
while (nextdp && nextdp->time == 0)
nextdp = nextdp->next;
if (nextdp)
newgasmix = nextdp->gasmix;
/* do we want to skip this leg as it is devoid of anything useful? */
if (!dp->entered &&
gasmix_distance(&gasmix, &newgasmix) == 0 &&
nextdp &&
dp->depth != lastdepth &&
nextdp->depth != dp->depth)
continue;
if (dp->time - lasttime < 10 && !(gaschange && dp->next && dp->depth != dp->next->depth))
continue;
len = strlen(buffer);
if (nextdp && gasmix_distance(&gasmix, &newgasmix))
gaschange = true;
if (plan_verbatim) {
if (dp->depth != lastdepth) {
if (plan_display_transitions || dp->entered || !dp->next || (gaschange && dp->next && dp->depth != nextdp->depth)) {
snprintf(temp, sizeof(temp), translate("gettextFromC", "Transition to %.*f %s in %d:%02d min - runtime %d:%02u on %s"),
decimals, depthvalue, depth_unit,
FRACTION(dp->time - lasttime, 60),
FRACTION(dp->time, 60),
gasname(&gasmix));
len += snprintf(buffer + len, sizeof(buffer) - len, "%s<br>", temp);
lasttime = dp->time;
}
} else {
if (dp->depth != nextdp->depth) {
snprintf(temp, sizeof(temp), translate("gettextFromC", "Stay at %.*f %s for %d:%02d min - runtime %d:%02u on %s"),
decimals, depthvalue, depth_unit,
FRACTION(dp->time - lasttime, 60),
FRACTION(dp->time, 60),
gasname(&gasmix));
len += snprintf(buffer + len, sizeof(buffer) - len, "%s<br>", temp);
lasttime = dp->time;
}
}
} else {
if ((dp->depth == lastdepth && dp->depth != nextdp->depth) || plan_display_transitions || dp->entered || !dp->next || (gaschange && dp->next && dp->depth != nextdp->depth)) {
snprintf(temp, sizeof(temp), translate("gettextFromC", "%3.0f%s"), depthvalue, depth_unit);
len += snprintf(buffer + len, sizeof(buffer) - len, "<tr><td style='padding-left: 10px; float: right;'>%s</td>", temp);
if (plan_display_runtime) {
snprintf(temp, sizeof(temp), translate("gettextFromC", "%3dmin"), (dp->time + 30) / 60);
len += snprintf(buffer + len, sizeof(buffer) - len, "<td style='padding-left: 10px; float: right;'>%s</td>", temp);
}
if (plan_display_duration) {
snprintf(temp, sizeof(temp), translate("gettextFromC", "%3dmin"), (dp->time - lasttime + 30) / 60);
len += snprintf(buffer + len, sizeof(buffer) - len, "<td style='padding-left: 10px; float: right;'>%s</td>", temp);
}
if (gaschange) {
len += snprintf(buffer + len, sizeof(buffer) - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s</b></td>", gasname(&newgasmix));
gaschange = false;
} else {
len += snprintf(buffer + len, sizeof(buffer) - len, "<td> </td>");
}
len += snprintf(buffer + len, sizeof(buffer) - len, "</tr>");
lasttime = dp->time;
}
}
if (gaschange) {
// gas switch at this waypoint
if (plan_verbatim) {
snprintf(temp, sizeof(temp), translate("gettextFromC", "Switch gas to %s"), gasname(&newgasmix));
len += snprintf(buffer + len, sizeof(buffer) - len, "%s<br>", temp);
gaschange = false;
}
gasmix = newgasmix;
}
lastdepth = dp->depth;
} while ((dp = nextdp) != NULL);
len += snprintf(buffer + len, sizeof(buffer) - len, "</tbody></table></div>");
dive->cns = 0;
dive->maxcns = 0;
update_cylinder_related_info(dive);
snprintf(temp, sizeof(temp), "%s", translate("gettextFromC", "CNS"));
len += snprintf(buffer + len, sizeof(buffer) - len, "<div><br>%s: %i%%", temp, dive->cns);
snprintf(temp, sizeof(temp), "%s", translate("gettextFromC", "OTU"));
len += snprintf(buffer + len, sizeof(buffer) - len, "<br>%s: %i</div>", temp, dive->otu);
snprintf(temp, sizeof(temp), "%s", translate("gettextFromC", "Gas consumption:"));
len += snprintf(buffer + len, sizeof(buffer) - len, "<div><br>%s<br>", temp);
for (int gasidx = 0; gasidx < MAX_CYLINDERS; gasidx++) {
double volume, pressure, 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);
pressure = get_pressure_units(1000.0 * cyl->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 */
if (cyl->end.mbar < 10000)
snprintf(warning, sizeof(warning), " — <span style='color: red;'>%s </span> %s",
translate("gettextFromC", "Warning:"),
translate("gettextFromC", "this is more gas than available in the specified cylinder!"));
else
if ((float) cyl->end.mbar * cyl->type.size.mliter / 1000.0 < (float) cyl->deco_gas_used.mliter)
snprintf(warning, sizeof(warning), " — <span style='color: red;'>%s </span> %s",
translate("gettextFromC", "Warning:"),
translate("gettextFromC", "not enough reserve for gas sharing on ascent!"));
snprintf(temp, sizeof(temp), translate("gettextFromC", "%.0f%s/%.0f%s of %s (%.0f%s/%.0f%s in planned ascent)"), volume, unit, pressure, pressure_unit, gasname(&cyl->gasmix), deco_volume, unit, deco_pressure, pressure_unit);
} else {
snprintf(temp, sizeof(temp), translate("gettextFromC", "%.0f%s (%.0f%s during planned ascent) of %s"), volume, unit, deco_volume, unit, gasname(&cyl->gasmix));
}
len += snprintf(buffer + len, sizeof(buffer) - len, "%s%s<br>", temp, warning);
}
dp = diveplan->dp;
while (dp) {
if (dp->time != 0) {
int pO2 = depth_to_atm(dp->depth, dive) * get_o2(&dp->gasmix);
if (pO2 > (dp->entered ? prefs.bottompo2 : prefs.decopo2)) {
const char *depth_unit;
int decimals;
double depth_value = get_depth_units(dp->depth, &decimals, &depth_unit);
len = strlen(buffer);
snprintf(temp, sizeof(temp),
translate("gettextFromC", "high pO₂ value %.2f at %d:%02u with gas %s at depth %.*f %s"),
pO2 / 1000.0, FRACTION(dp->time, 60), gasname(&dp->gasmix), decimals, depth_value, depth_unit);
len += snprintf(buffer + len, sizeof(buffer) - len, "<span style='color: red;'>%s </span> %s<br>",
translate("gettextFromC", "Warning:"), temp);
}
}
dp = dp->next;
}
snprintf(buffer + len, sizeof(buffer) - len, "</div>");
dive->notes = strdup(buffer);
}
/* simply overwrite the data in the displayed_dive
* return false if something goes wrong */
static void create_dive_from_plan(struct diveplan *diveplan, bool track_gas)
{
struct divedatapoint *dp;
struct divecomputer *dc;
struct sample *sample;
struct gasmix oldgasmix;
struct event *ev;
cylinder_t *cyl;
int oldpo2 = 0;
int lasttime = 0;
int lastdepth = 0;
if (!diveplan || !diveplan->dp)
return;
#if DEBUG_PLAN & 4
printf("in create_dive_from_plan\n");
dump_plan(diveplan);
#endif
// reset the cylinders and clear out the samples and events of the
// displayed dive so we can restart
reset_cylinders(&displayed_dive, track_gas);
dc = &displayed_dive.dc;
free(dc->sample);
dc->sample = NULL;
dc->samples = 0;
dc->alloc_samples = 0;
while ((ev = dc->events)) {
dc->events = dc->events->next;
free(ev);
}
dp = diveplan->dp;
cyl = &displayed_dive.cylinder[0];
oldgasmix = cyl->gasmix;
sample = prepare_sample(dc);
sample->po2.mbar = dp->po2;
if (track_gas && cyl->type.workingpressure.mbar)
sample->cylinderpressure.mbar = cyl->end.mbar;
finish_sample(dc);
while (dp) {
struct gasmix gasmix = dp->gasmix;
int po2 = dp->po2;
int time = dp->time;
int depth = dp->depth;
if (time == 0) {
/* special entries that just inform the algorithm about
* additional gases that are available */
if (verify_gas_exists(gasmix) < 0)
goto gas_error_exit;
dp = dp->next;
continue;
}
/* Check for SetPoint change */
if (oldpo2 != po2) {
if (lasttime)
/* this is a bad idea - we should get a different SAMPLE_EVENT type
* reserved for this in libdivecomputer... overloading SMAPLE_EVENT_PO2
* with a different meaning will only cause confusion elsewhere in the code */
add_event(dc, lasttime, SAMPLE_EVENT_PO2, 0, po2, "SP change");
oldpo2 = po2;
}
/* Make sure we have the new gas, and create a gas change event */
if (gasmix_distance(&gasmix, &oldgasmix) > 0) {
int idx;
if ((idx = verify_gas_exists(gasmix)) < 0)
goto gas_error_exit;
/* need to insert a first sample for the new gas */
add_gas_switch_event(&displayed_dive, dc, lasttime + 1, idx);
cyl = &displayed_dive.cylinder[idx];
sample = prepare_sample(dc);
sample[-1].po2.mbar = po2;
sample->time.seconds = lasttime + 1;
sample->depth.mm = lastdepth;
if (track_gas && cyl->type.workingpressure.mbar)
sample->cylinderpressure.mbar = cyl->sample_end.mbar;
finish_sample(dc);
oldgasmix = gasmix;
}
/* Create sample */
sample = prepare_sample(dc);
/* set po2 at beginning of this segment */
/* and keep it valid for last sample - where it likely doesn't matter */
sample[-1].po2.mbar = po2;
sample->po2.mbar = po2;
sample->time.seconds = lasttime = time;
sample->depth.mm = lastdepth = depth;
if (track_gas) {
update_cylinder_pressure(&displayed_dive, sample[-1].depth.mm, depth, time - sample[-1].time.seconds,
dp->entered ? diveplan->bottomsac : diveplan->decosac, cyl, !dp->entered);
if (cyl->type.workingpressure.mbar)
sample->cylinderpressure.mbar = cyl->end.mbar;
}
finish_sample(dc);
dp = dp->next;
}
#if DEBUG_PLAN & 32
save_dive(stdout, &displayed_dive);
#endif
return;
gas_error_exit:
report_error(translate("gettextFromC", "Too many gas mixes"));
return;
}
static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool show_disclaimer, int error)
{
const unsigned int sz_buffer = 2000000;
const unsigned int sz_temp = 100000;
char *buffer = (char *)malloc(sz_buffer);
char *temp = (char *)malloc(sz_temp);
char buf[1000], *deco;
int len, lastdepth = 0, lasttime = 0, lastsetpoint = -1, newdepth = 0, lastprintdepth = 0, lastprintsetpoint = -1;
struct gasmix lastprintgasmix = { -1, -1 };
struct divedatapoint *dp = diveplan->dp;
bool gaschange_after = !plan_verbatim;
bool gaschange_before;
bool lastentered;
struct divedatapoint *nextdp = NULL;
plan_verbatim = prefs.verbatim_plan;
plan_display_runtime = prefs.display_runtime;
plan_display_duration = prefs.display_duration;
plan_display_transitions = prefs.display_transitions;
if (prefs.deco_mode == VPMB) {
deco = "VPM-B";
} else {
deco = "BUHLMANN";
}
snprintf(buf, sizeof(buf), translate("gettextFromC", "DISCLAIMER / WARNING: THIS IS A NEW IMPLEMENTATION OF THE %s "
"ALGORITHM AND A DIVE PLANNER IMPLEMENTATION BASED ON THAT WHICH HAS "
"RECEIVED ONLY A LIMITED AMOUNT OF TESTING. WE STRONGLY RECOMMEND NOT TO "
"PLAN DIVES SIMPLY BASED ON THE RESULTS GIVEN HERE."), deco);
disclaimer = buf;
if (!dp) {
free((void *)buffer);
free((void *)temp);
return;
}
if (error) {
snprintf(temp, sz_temp, "%s",
translate("gettextFromC", "Decompression calculation aborted due to excessive time"));
snprintf(buffer, sz_buffer, "<span style='color: red;'>%s </span> %s<br>",
translate("gettextFromC", "Warning:"), temp);
dive->notes = strdup(buffer);
free((void *)buffer);
free((void *)temp);
return;
}
len = show_disclaimer ? snprintf(buffer, sz_buffer, "<div><b>%s<b></div><br>", disclaimer) : 0;
if (prefs.deco_mode == BUEHLMANN){
snprintf(temp, sz_temp, translate("gettextFromC", "based on Buhlmann ZHL-16B with GFlow = %d and GFhigh = %d"),
diveplan->gflow, diveplan->gfhigh);
} else if (prefs.deco_mode == VPMB){
snprintf(temp, sz_temp, "%s", translate("gettextFromC", "based on VPM-B"));
} else if (prefs.deco_mode == RECREATIONAL){
snprintf(temp, sz_temp, translate("gettextFromC", "recreational mode based on Buhlmann ZHL-16B with GFlow = %d and GFhigh = %d"),
diveplan->gflow, diveplan->gfhigh);
}
len += snprintf(buffer + len, sz_buffer - len, "<div><b>%s</b><br>%s</div><br>",
translate("gettextFromC", "Subsurface dive plan"), temp);
if (!plan_verbatim) {
len += snprintf(buffer + len, sz_buffer - len, "<div><table><thead><tr><th>%s</th>",
translate("gettextFromC", "depth"));
if (plan_display_duration)
len += snprintf(buffer + len, sz_buffer - len, "<th style='padding-left: 10px;'>%s</th>",
translate("gettextFromC", "duration"));
if (plan_display_runtime)
len += snprintf(buffer + len, sz_buffer - len, "<th style='padding-left: 10px;'>%s</th>",
translate("gettextFromC", "runtime"));
len += snprintf(buffer + len, sz_buffer - len,
"<th style='padding-left: 10px; float: left;'>%s</th></tr></thead><tbody style='float: left;'>",
translate("gettextFromC", "gas"));
}
do {
struct gasmix gasmix, newgasmix = {};
const char *depth_unit;
double depthvalue;
int decimals;
bool isascent = (dp->depth < lastdepth);
nextdp = dp->next;
if (dp->time == 0)
continue;
gasmix = dp->gasmix;
depthvalue = get_depth_units(dp->depth, &decimals, &depth_unit);
/* analyze the dive points ahead */
while (nextdp && nextdp->time == 0)
nextdp = nextdp->next;
if (nextdp)
newgasmix = nextdp->gasmix;
gaschange_after = (nextdp && (gasmix_distance(&gasmix, &newgasmix) || dp->setpoint != nextdp->setpoint));
gaschange_before = (gasmix_distance(&lastprintgasmix, &gasmix) || lastprintsetpoint != dp->setpoint);
/* do we want to skip this leg as it is devoid of anything useful? */
if (!dp->entered &&
nextdp &&
dp->depth != lastdepth &&
nextdp->depth != dp->depth &&
!gaschange_before &&
!gaschange_after)
continue;
if (dp->time - lasttime < 10 && !(gaschange_after && dp->next && dp->depth != dp->next->depth))
continue;
len = strlen(buffer);
if (plan_verbatim) {
/* When displaying a verbatim plan, we output a waypoint for every gas change.
* Therefore, we do not need to test for difficult cases that mean we need to
* print a segment just so we don't miss a gas change. This makes the logic
* to determine whether or not to print a segment much simpler than with the
* non-verbatim plan.
*/
if (dp->depth != lastprintdepth) {
if (plan_display_transitions || dp->entered || !dp->next || (gaschange_after && dp->next && dp->depth != nextdp->depth)) {
if (dp->setpoint)
snprintf(temp, sz_temp, translate("gettextFromC", "Transition to %.*f %s in %d:%02d min - runtime %d:%02u on %s (SP = %.1fbar)"),
decimals, depthvalue, depth_unit,
FRACTION(dp->time - lasttime, 60),
FRACTION(dp->time, 60),
gasname(&gasmix),
(double) dp->setpoint / 1000.0);
else
snprintf(temp, sz_temp, translate("gettextFromC", "Transition to %.*f %s in %d:%02d min - runtime %d:%02u on %s"),
decimals, depthvalue, depth_unit,
FRACTION(dp->time - lasttime, 60),
FRACTION(dp->time, 60),
gasname(&gasmix));
len += snprintf(buffer + len, sz_buffer - len, "%s<br>", temp);
}
newdepth = dp->depth;
lasttime = dp->time;
} else {
if ((nextdp && dp->depth != nextdp->depth) || gaschange_after) {
if (dp->setpoint)
snprintf(temp, sz_temp, translate("gettextFromC", "Stay at %.*f %s for %d:%02d min - runtime %d:%02u on %s (SP = %.1fbar)"),
decimals, depthvalue, depth_unit,
FRACTION(dp->time - lasttime, 60),
FRACTION(dp->time, 60),
gasname(&gasmix),
(double) dp->setpoint / 1000.0);
else
snprintf(temp, sz_temp, translate("gettextFromC", "Stay at %.*f %s for %d:%02d min - runtime %d:%02u on %s"),
decimals, depthvalue, depth_unit,
FRACTION(dp->time - lasttime, 60),
FRACTION(dp->time, 60),
gasname(&gasmix));
len += snprintf(buffer + len, sz_buffer - len, "%s<br>", temp);
newdepth = dp->depth;
lasttime = dp->time;
}
}
} else {
/* When not displaying the verbatim dive plan, we typically ignore ascents between deco stops,
* unless the display transitions option has been selected. We output a segment if any of the
* following conditions are met.
* 1) Display transitions is selected
* 2) The segment was manually entered
* 3) It is the last segment of the dive
* 4) The segment is not an ascent, there was a gas change at the start of the segment and the next segment
* is a change in depth (typical deco stop)
* 5) There is a gas change at the end of the segment and the last segment was entered (first calculated
* segment if it ends in a gas change)
* 6) There is a gaschange after but no ascent. This should only occur when backgas breaks option is selected
* 7) It is an ascent ending with a gas change, but is not followed by a stop. As case 5 already matches
* the first calculated ascent if it ends with a gas change, this should only occur if a travel gas is
* used for a calculated ascent, there is a subsequent gas change before the first deco stop, and zero
* time has been allowed for a gas switch.
*/
if (plan_display_transitions || dp->entered || !dp->next ||
(nextdp && dp->depth != nextdp->depth) ||
(!isascent && gaschange_before && nextdp && dp->depth != nextdp->depth) ||
(gaschange_after && lastentered) || (gaschange_after && !isascent) ||
(isascent && gaschange_after && nextdp && dp->depth != nextdp->depth )) {
snprintf(temp, sz_temp, translate("gettextFromC", "%3.0f%s"), depthvalue, depth_unit);
len += snprintf(buffer + len, sz_buffer - len, "<tr><td style='padding-left: 10px; float: right;'>%s</td>", temp);
if (plan_display_duration) {
snprintf(temp, sz_temp, translate("gettextFromC", "%3dmin"), (dp->time - lasttime + 30) / 60);
len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; float: right;'>%s</td>", temp);
}
if (plan_display_runtime) {
snprintf(temp, sz_temp, translate("gettextFromC", "%3dmin"), (dp->time + 30) / 60);
len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; float: right;'>%s</td>", temp);
}
/* Normally a gas change is displayed on the stopping segment, so only display a gas change at the end of
* an ascent segment if it is not followed by a stop
*/
if (isascent && gaschange_after && dp->next && nextdp && dp->depth != nextdp->depth) {
if (dp->setpoint) {
snprintf(temp, sz_temp, translate("gettextFromC", "(SP = %.1fbar)"), (double) nextdp->setpoint / 1000.0);
len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s %s</b></td>", gasname(&newgasmix),
temp);
} else {
len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s</b></td>", gasname(&newgasmix));
}
lastprintsetpoint = nextdp->setpoint;
lastprintgasmix = newgasmix;
gaschange_after = false;
} else if (gaschange_before) {
// If a new gas has been used for this segment, now is the time to show it
if (dp->setpoint) {
snprintf(temp, sz_temp, translate("gettextFromC", "(SP = %.1fbar)"), (double) dp->setpoint / 1000.0);
len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s %s</b></td>", gasname(&gasmix),
temp);
} else {
len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s</b></td>", gasname(&gasmix));
}
// Set variables so subsequent iterations can test against the last gas printed
lastprintsetpoint = dp->setpoint;
lastprintgasmix = gasmix;
gaschange_after = false;
} else {
len += snprintf(buffer + len, sz_buffer - len, "<td> </td>");
}
len += snprintf(buffer + len, sz_buffer - len, "</tr>");
newdepth = dp->depth;
lasttime = dp->time;
}
}
if (gaschange_after) {
// gas switch at this waypoint
if (plan_verbatim) {
if (lastsetpoint >= 0) {
if (nextdp && nextdp->setpoint)
snprintf(temp, sz_temp, translate("gettextFromC", "Switch gas to %s (SP = %.1fbar)"), gasname(&newgasmix), (double) nextdp->setpoint / 1000.0);
else
snprintf(temp, sz_temp, translate("gettextFromC", "Switch gas to %s"), gasname(&newgasmix));
len += snprintf(buffer + len, sz_buffer - len, "%s<br>", temp);
}
gaschange_after = false;
gasmix = newgasmix;
}
}
lastprintdepth = newdepth;
lastdepth = dp->depth;
lastsetpoint = dp->setpoint;
lastentered = dp->entered;
} while ((dp = nextdp) != NULL);
len += snprintf(buffer + len, sz_buffer - len, "</tbody></table></div>");
dive->cns = 0;
dive->maxcns = 0;
update_cylinder_related_info(dive);
snprintf(temp, sz_temp, "%s", translate("gettextFromC", "CNS"));
len += snprintf(buffer + len, sz_buffer - len, "<div><br>%s: %i%%", temp, dive->cns);
snprintf(temp, sz_temp, "%s", translate("gettextFromC", "OTU"));
len += snprintf(buffer + len, sz_buffer - len, "<br>%s: %i</div>", temp, dive->otu);
if (dive->dc.divemode == CCR)
snprintf(temp, sz_temp, "%s", translate("gettextFromC", "Gas consumption (CCR legs excluded):"));
else
snprintf(temp, sz_temp, "%s", translate("gettextFromC", "Gas consumption:"));
len += snprintf(buffer + len, sz_buffer - len, "<div><br>%s<br>", temp);
for (int gasidx = 0; gasidx < MAX_CYLINDERS; gasidx++) {
double volume, pressure, 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);
pressure = get_pressure_units(1000.0 * cyl->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 */
if (cyl->end.mbar < 10000)
snprintf(warning, sizeof(warning), " — <span style='color: red;'>%s </span> %s",
translate("gettextFromC", "Warning:"),
translate("gettextFromC", "this is more gas than available in the specified cylinder!"));
else
if ((float) cyl->end.mbar * cyl->type.size.mliter / 1000.0 < (float) cyl->deco_gas_used.mliter)
snprintf(warning, sizeof(warning), " — <span style='color: red;'>%s </span> %s",
translate("gettextFromC", "Warning:"),
translate("gettextFromC", "not enough reserve for gas sharing on ascent!"));
snprintf(temp, sz_temp, translate("gettextFromC", "%.0f%s/%.0f%s of %s (%.0f%s/%.0f%s in planned ascent)"), volume, unit, pressure, pressure_unit, gasname(&cyl->gasmix), deco_volume, unit, deco_pressure, pressure_unit);
} else {
snprintf(temp, sz_temp, translate("gettextFromC", "%.0f%s (%.0f%s during planned ascent) of %s"), volume, unit, deco_volume, unit, gasname(&cyl->gasmix));
}
len += snprintf(buffer + len, sz_buffer - len, "%s%s<br>", temp, warning);
}
dp = diveplan->dp;
if (dive->dc.divemode != CCR) {
while (dp) {
if (dp->time != 0) {
struct gas_pressures pressures;
fill_pressures(&pressures, depth_to_atm(dp->depth, dive), &dp->gasmix, 0.0, dive->dc.divemode);
if (pressures.o2 > (dp->entered ? prefs.bottompo2 : prefs.decopo2) / 1000.0) {
const char *depth_unit;
int decimals;
double depth_value = get_depth_units(dp->depth, &decimals, &depth_unit);
len = strlen(buffer);
snprintf(temp, sz_temp,
translate("gettextFromC", "high pO₂ value %.2f at %d:%02u with gas %s at depth %.*f %s"),
pressures.o2, FRACTION(dp->time, 60), gasname(&dp->gasmix), decimals, depth_value, depth_unit);
len += snprintf(buffer + len, sz_buffer - len, "<span style='color: red;'>%s </span> %s<br>",
translate("gettextFromC", "Warning:"), temp);
} else if (pressures.o2 < 0.16) {
const char *depth_unit;
int decimals;
double depth_value = get_depth_units(dp->depth, &decimals, &depth_unit);
len = strlen(buffer);
snprintf(temp, sz_temp,
translate("gettextFromC", "low pO₂ value %.2f at %d:%02u with gas %s at depth %.*f %s"),
pressures.o2, FRACTION(dp->time, 60), gasname(&dp->gasmix), decimals, depth_value, depth_unit);
len += snprintf(buffer + len, sz_buffer - len, "<span style='color: red;'>%s </span> %s<br>",
translate("gettextFromC", "Warning:"), temp);
}
}
dp = dp->next;
}
}
snprintf(buffer + len, sz_buffer - len, "</div>");
dive->notes = strdup(buffer);
free((void *)buffer);
free((void *)temp);
}
