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// SPDX-License-Identifier: GPL-2.0
#ifdef __clang__
// Clang has a bug on zero-initialization of C structs.
#pragma clang diagnostic ignored "-Wmissing-field-initializers"
#endif
/* equipment.c */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <time.h>
#include <limits.h>
#include "equipment.h"
#include "gettext.h"
#include "dive.h"
#include "display.h"
#include "divelist.h"
/* placeholders for a few functions that we need to redesign for the Qt UI */
void add_cylinder_description(const cylinder_type_t *type)
{
const char *desc;
int i;
desc = type->description;
if (!desc)
return;
for (i = 0; i < MAX_TANK_INFO && tank_info[i].name != NULL; i++) {
if (strcmp(tank_info[i].name, desc) == 0)
return;
}
if (i < MAX_TANK_INFO) {
// FIXME: leaked on exit
tank_info[i].name = strdup(desc);
tank_info[i].ml = type->size.mliter;
tank_info[i].bar = type->workingpressure.mbar / 1000;
}
}
void add_weightsystem_description(const weightsystem_t *weightsystem)
{
const char *desc;
int i;
desc = weightsystem->description;
if (!desc)
return;
for (i = 0; i < MAX_WS_INFO && ws_info[i].name != NULL; i++) {
if (strcmp(ws_info[i].name, desc) == 0) {
ws_info[i].grams = weightsystem->weight.grams;
return;
}
}
if (i < MAX_WS_INFO) {
// FIXME: leaked on exit
ws_info[i].name = strdup(desc);
ws_info[i].grams = weightsystem->weight.grams;
}
}
bool cylinder_nodata(const cylinder_t *cyl)
{
return !cyl->type.size.mliter &&
!cyl->type.workingpressure.mbar &&
!cyl->type.description &&
!cyl->gasmix.o2.permille &&
!cyl->gasmix.he.permille &&
!cyl->start.mbar &&
!cyl->end.mbar &&
!cyl->gas_used.mliter &&
!cyl->deco_gas_used.mliter;
}
static bool cylinder_nosamples(const cylinder_t *cyl)
{
return !cyl->sample_start.mbar &&
!cyl->sample_end.mbar;
}
bool cylinder_none(const cylinder_t *cyl)
{
return cylinder_nodata(cyl) && cylinder_nosamples(cyl);
}
void get_gas_string(struct gasmix gasmix, char *text, int len)
{
if (gasmix_is_air(gasmix))
snprintf(text, len, "%s", translate("gettextFromC", "air"));
else if (get_he(gasmix) == 0 && get_o2(gasmix) < 1000)
snprintf(text, len, translate("gettextFromC", "EAN%d"), (get_o2(gasmix) + 5) / 10);
else if (get_he(gasmix) == 0 && get_o2(gasmix) == 1000)
snprintf(text, len, "%s", translate("gettextFromC", "oxygen"));
else
snprintf(text, len, "(%d/%d)", (get_o2(gasmix) + 5) / 10, (get_he(gasmix) + 5) / 10);
}
/* Returns a static char buffer - only good for immediate use by printf etc */
const char *gasname(struct gasmix gasmix)
{
static char gas[64];
get_gas_string(gasmix, gas, sizeof(gas));
return gas;
}
int gas_volume(const cylinder_t *cyl, pressure_t p)
{
double bar = p.mbar / 1000.0;
double z_factor = gas_compressibility_factor(cyl->gasmix, bar);
return lrint(cyl->type.size.mliter * bar_to_atm(bar) / z_factor);
}
int find_best_gasmix_match(struct gasmix mix, const cylinder_t array[])
{
int i;
int best = -1, score = INT_MAX;
for (i = 0; i < MAX_CYLINDERS; i++) {
const cylinder_t *match;
int distance;
match = array + i;
if (cylinder_nodata(match))
continue;
distance = gasmix_distance(mix, match->gasmix);
if (distance >= score)
continue;
best = i;
score = distance;
}
return best;
}
bool weightsystem_none(const weightsystem_t *ws)
{
return !ws->weight.grams && !ws->description;
}
/*
* We hardcode the most common standard cylinders,
* we should pick up any other names from the dive
* logs directly.
*/
struct tank_info_t tank_info[MAX_TANK_INFO] = {
/* Need an empty entry for the no-cylinder case */
{ "", },
/* Size-only metric cylinders */
{ "10.0ℓ", .ml = 10000 },
{ "11.1ℓ", .ml = 11100 },
/* Most common AL cylinders */
{ "AL40", .cuft = 40, .psi = 3000 },
{ "AL50", .cuft = 50, .psi = 3000 },
{ "AL63", .cuft = 63, .psi = 3000 },
{ "AL72", .cuft = 72, .psi = 3000 },
{ "AL80", .cuft = 80, .psi = 3000 },
{ "AL100", .cuft = 100, .psi = 3300 },
/* Metric AL cylinders */
{ "ALU7", .ml = 7000, .bar = 200 },
/* Somewhat common LP steel cylinders */
{ "LP85", .cuft = 85, .psi = 2640 },
{ "LP95", .cuft = 95, .psi = 2640 },
{ "LP108", .cuft = 108, .psi = 2640 },
{ "LP121", .cuft = 121, .psi = 2640 },
/* Somewhat common HP steel cylinders */
{ "HP65", .cuft = 65, .psi = 3442 },
{ "HP80", .cuft = 80, .psi = 3442 },
{ "HP100", .cuft = 100, .psi = 3442 },
{ "HP117", .cuft = 117, .psi = 3442 },
{ "HP119", .cuft = 119, .psi = 3442 },
{ "HP130", .cuft = 130, .psi = 3442 },
/* Common European steel cylinders */
{ "3ℓ 232 bar", .ml = 3000, .bar = 232 },
{ "3ℓ 300 bar", .ml = 3000, .bar = 300 },
{ "10ℓ 200 bar", .ml = 10000, .bar = 200 },
{ "10ℓ 232 bar", .ml = 10000, .bar = 232 },
{ "10ℓ 300 bar", .ml = 10000, .bar = 300 },
{ "12ℓ 200 bar", .ml = 12000, .bar = 200 },
{ "12ℓ 232 bar", .ml = 12000, .bar = 232 },
{ "12ℓ 300 bar", .ml = 12000, .bar = 300 },
{ "15ℓ 200 bar", .ml = 15000, .bar = 200 },
{ "15ℓ 232 bar", .ml = 15000, .bar = 232 },
{ "D7 300 bar", .ml = 14000, .bar = 300 },
{ "D8.5 232 bar", .ml = 17000, .bar = 232 },
{ "D12 232 bar", .ml = 24000, .bar = 232 },
{ "D13 232 bar", .ml = 26000, .bar = 232 },
{ "D15 232 bar", .ml = 30000, .bar = 232 },
{ "D16 232 bar", .ml = 32000, .bar = 232 },
{ "D18 232 bar", .ml = 36000, .bar = 232 },
{ "D20 232 bar", .ml = 40000, .bar = 232 },
/* We'll fill in more from the dive log dynamically */
{ NULL, }
};
/*
* We hardcode the most common weight system types
* This is a bit odd as the weight system types don't usually encode weight
*/
struct ws_info_t ws_info[MAX_WS_INFO] = {
{ QT_TRANSLATE_NOOP("gettextFromC", "integrated"), 0 },
{ QT_TRANSLATE_NOOP("gettextFromC", "belt"), 0 },
{ QT_TRANSLATE_NOOP("gettextFromC", "ankle"), 0 },
{ QT_TRANSLATE_NOOP("gettextFromC", "backplate"), 0 },
{ QT_TRANSLATE_NOOP("gettextFromC", "clip-on"), 0 },
};
void remove_cylinder(struct dive *dive, int idx)
{
cylinder_t *cyl = dive->cylinder + idx;
int nr = MAX_CYLINDERS - idx - 1;
memmove(cyl, cyl + 1, nr * sizeof(*cyl));
memset(cyl + nr, 0, sizeof(*cyl));
}
void remove_weightsystem(struct dive *dive, int idx)
{
weightsystem_t *ws = dive->weightsystem + idx;
int nr = MAX_WEIGHTSYSTEMS - idx - 1;
memmove(ws, ws + 1, nr * sizeof(*ws));
memset(ws + nr, 0, sizeof(*ws));
}
/* when planning a dive we need to make sure that all cylinders have a sane depth assigned
* and if we are tracking gas consumption the pressures need to be reset to start = end = workingpressure */
void reset_cylinders(struct dive *dive, bool track_gas)
{
pressure_t decopo2 = {.mbar = prefs.decopo2};
for (int i = 0; i < MAX_CYLINDERS; i++) {
cylinder_t *cyl = &dive->cylinder[i];
if (cylinder_none(cyl))
continue;
if (cyl->depth.mm == 0) /* if the gas doesn't give a mod, calculate based on prefs */
cyl->depth = gas_mod(cyl->gasmix, decopo2, dive, M_OR_FT(3,10));
if (track_gas)
cyl->start.mbar = cyl->end.mbar = cyl->type.workingpressure.mbar;
cyl->gas_used.mliter = 0;
cyl->deco_gas_used.mliter = 0;
}
}
#ifdef DEBUG_CYL
void dump_cylinders(struct dive *dive, bool verbose)
{
printf("Cylinder list:\n");
for (int i = 0; i < MAX_CYLINDERS; i++) {
cylinder_t *cyl = &dive->cylinder[i];
printf("%02d: Type %s, %3.1fl, %3.0fbar\n", i, cyl->type.description, cyl->type.size.mliter / 1000.0, cyl->type.workingpressure.mbar / 1000.0);
printf(" Gasmix O2 %2.0f%% He %2.0f%%\n", cyl->gasmix.o2.permille / 10.0, cyl->gasmix.he.permille / 10.0);
printf(" Pressure Start %3.0fbar End %3.0fbar Sample start %3.0fbar Sample end %3.0fbar\n", cyl->start.mbar / 1000.0, cyl->end.mbar / 1000.0, cyl->sample_start.mbar / 1000.0, cyl->sample_end.mbar / 1000.0);
if (verbose) {
printf(" Depth %3.0fm\n", cyl->depth.mm / 1000.0);
printf(" Added %s\n", (cyl->manually_added ? "manually" : ""));
printf(" Gas used Bottom %5.0fl Deco %5.0fl\n", cyl->gas_used.mliter / 1000.0, cyl->deco_gas_used.mliter / 1000.0);
printf(" Use %d\n", cyl->cylinder_use);
printf(" Bestmix %s %s\n", (cyl->bestmix_o2 ? "O2" : " "), (cyl->bestmix_he ? "He" : " "));
}
}
}
#endif
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