static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool show_disclaimer, int error)
{
char buffer[2000000], temp[100000];
int len, lastdepth = 0, lasttime = 0, lastsetpoint = -1, newdepth = 0, lastprintdepth = 0;
struct divedatapoint *dp = diveplan->dp;
bool gaschange = !plan_verbatim, postponed = plan_verbatim;
struct divedatapoint *nextdp = NULL;
disclaimer = translate("gettextFromC", "DISCLAIMER / WARNING: THIS IS A NEW IMPLEMENTATION OF THE BUHLMANN "
"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.");
if (!dp)
return;
if (error) {
snprintf(temp, sizeof(temp), "%s",
translate("gettextFromC", "Decompression calculation aborted due to excessive time"));
snprintf(buffer, sizeof(buffer), "<span style='color: red;'>%s </span> %s<br>",
translate("gettextFromC", "Warning:"), temp);
dive->notes = strdup(buffer);
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_duration)
len += snprintf(buffer + len, sizeof(buffer) - len, "<th style='padding-left: 10px;'>%s</th>",
translate("gettextFromC", "duration"));
if (plan_display_runtime)
len += snprintf(buffer + len, sizeof(buffer) - len, "<th style='padding-left: 10px;'>%s</th>",
translate("gettextFromC", "runtime"));
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;
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;
/* do we want to skip this leg as it is devoid of anything useful? */
if (!dp->entered &&
gasmix_distance(&gasmix, &newgasmix) == 0 &&
nextdp &&
dp->setpoint == nextdp->setpoint &&
dp->depth != lastdepth &&
nextdp->depth != dp->depth
&& !gaschange)
continue;
if (dp->time - lasttime < 10 && !(gaschange && dp->next && dp->depth != dp->next->depth))
continue;
len = strlen(buffer);
if (nextdp && (gasmix_distance(&gasmix, &newgasmix) || dp->setpoint != nextdp->setpoint))
gaschange = true;
if (plan_verbatim) {
if (dp->depth != lastprintdepth) {
if (plan_display_transitions || dp->entered || !dp->next || (gaschange && dp->next && dp->depth != nextdp->depth)) {
if (dp->setpoint)
snprintf(temp, sizeof(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, 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);
}
newdepth = dp->depth;
lasttime = dp->time;
} else {
if (dp->depth != nextdp->depth || gasmix_distance(&gasmix, &newgasmix) != 0 || dp->setpoint != nextdp->setpoint) {
if (dp->setpoint)
snprintf(temp, sizeof(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, 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);
newdepth = dp->depth;
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_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 (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 (gaschange) {
if(dp->depth == lastdepth && !postponed) {
postponed = true;
} else {
if (dp->setpoint) {
snprintf(temp, sizeof(temp), translate("gettextFromC", "(SP = %.1fbar)"), (double) dp->setpoint / 1000.0);
len += snprintf(buffer + len, sizeof(buffer) - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s %s</b></td>", gasname(&newgasmix),
temp);
} else {
len += snprintf(buffer + len, sizeof(buffer) - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s</b></td>", gasname(&newgasmix));
}
gaschange = false;
postponed = false;
}
} else {
len += snprintf(buffer + len, sizeof(buffer) - len, "<td> </td>");
}
len += snprintf(buffer + len, sizeof(buffer) - len, "</tr>");
newdepth = dp->depth;
lasttime = dp->time;
}
}
if (gaschange) {
if(dp->depth == lastdepth && !postponed) {
postponed = true;
} else {
// gas switch at this waypoint
if (plan_verbatim) {
if (lastsetpoint >= 0) {
if (nextdp && nextdp->setpoint)
snprintf(temp, sizeof(temp), translate("gettextFromC", "Switch gas to %s (SP = %.1fbar)"), gasname(&newgasmix), (double) nextdp->setpoint / 1000.0);
else
snprintf(temp, sizeof(temp), translate("gettextFromC", "Switch gas to %s"), gasname(&newgasmix));
len += snprintf(buffer + len, sizeof(buffer) - len, "%s<br>", temp);
}
gaschange = false;
postponed = true;
}
gasmix = newgasmix;
}
}
lastprintdepth = newdepth;
lastdepth = dp->depth;
lastsetpoint = dp->setpoint;
} 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);
if (dive->dc.divemode == CCR)
snprintf(temp, sizeof(temp), "%s", translate("gettextFromC", "Gas consumption (CCR legs excluded):"));
else
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;
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, sizeof(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, sizeof(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, sizeof(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, 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);
}
static void calculate_gas_information_new(struct dive *dive, struct plot_info *pi)
{
int i;
double amb_pressure;
for (i = 1; i < pi->nr; i++) {
int fn2, fhe;
struct plot_data *entry = pi->entry + i;
int cylinderindex = entry->cylinderindex;
amb_pressure = depth_to_bar(entry->depth, dive);
fill_pressures(&entry->pressures, amb_pressure, &dive->cylinder[cylinderindex].gasmix, entry->o2pressure.mbar / 1000.0, dive->dc.divemode);
fn2 = (int)(1000.0 * entry->pressures.n2 / amb_pressure);
fhe = (int)(1000.0 * entry->pressures.he / amb_pressure);
/* Calculate MOD, EAD, END and EADD based on partial pressures calculated before
* so there is no difference in calculating between OC and CC
* END takes O₂ + N₂ (air) into account ("Narcotic" for trimix dives)
* EAD just uses N₂ ("Air" for nitrox dives) */
pressure_t modpO2 = { .mbar = (int)(prefs.modpO2 * 1000) };
entry->mod = (double)gas_mod(&dive->cylinder[cylinderindex].gasmix, modpO2, dive, 1).mm;
entry->end = (entry->depth + 10000) * (1000 - fhe) / 1000.0 - 10000;
entry->ead = (entry->depth + 10000) * fn2 / (double)N2_IN_AIR - 10000;
entry->eadd = (entry->depth + 10000) *
(entry->pressures.o2 / amb_pressure * O2_DENSITY +
entry->pressures.n2 / amb_pressure * N2_DENSITY +
entry->pressures.he / amb_pressure * HE_DENSITY) /
(O2_IN_AIR * O2_DENSITY + N2_IN_AIR * N2_DENSITY) * 1000 - 10000;
if (entry->mod < 0)
entry->mod = 0;
if (entry->ead < 0)
entry->ead = 0;
if (entry->end < 0)
entry->end = 0;
if (entry->eadd < 0)
entry->eadd = 0;
}
}
void fill_o2_values(struct divecomputer *dc, struct plot_info *pi, struct dive *dive)
/* In the samples from each dive computer, there may be uninitialised oxygen
* sensor or setpoint values, e.g. when events were inserted into the dive log
* or if the dive computer does not report o2 values with every sample. But
* for drawing the profile a complete series of valid o2 pressure values is
* required. This function takes the oxygen sensor data and setpoint values
* from the structures of plotinfo and replaces the zero values with their
* last known values so that the oxygen sensor data are complete and ready
* for plotting. This function called by: create_plot_info_new() */
{
int i, j;
pressure_t last_sensor[3], o2pressure;
pressure_t amb_pressure;
for (i = 0; i < pi->nr; i++) {
struct plot_data *entry = pi->entry + i;
if (dc->divemode == CCR) {
if (i == 0) { // For 1st iteration, initialise the last_sensor values
for (j = 0; j < dc->no_o2sensors; j++)
last_sensor[j].mbar = pi->entry->o2sensor[j].mbar;
} else { // Now re-insert the missing oxygen pressure values
for (j = 0; j < dc->no_o2sensors; j++)
if (entry->o2sensor[j].mbar)
last_sensor[j].mbar = entry->o2sensor[j].mbar;
else
entry->o2sensor[j].mbar = last_sensor[j].mbar;
} // having initialised the empty o2 sensor values for this point on the profile,
amb_pressure.mbar = depth_to_mbar(entry->depth, dive);
o2pressure.mbar = calculate_ccr_po2(entry, dc); // ...calculate the po2 based on the sensor data
entry->o2pressure.mbar = MIN(o2pressure.mbar, amb_pressure.mbar);
} else {
entry->o2pressure.mbar = 0; // initialise po2 to zero for dctype = OC
}
}
}
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);
}
