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461 lines
15 KiB
C++
461 lines
15 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#ifdef __clang__
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// Clang has a bug on zero-initialization of C structs.
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#pragma clang diagnostic ignored "-Wmissing-field-initializers"
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#endif
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/* equipment.cpp */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <time.h>
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#include <limits.h>
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#include "equipment.h"
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#include "gettext.h"
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#include "dive.h"
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#include "divelist.h"
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#include "divelog.h"
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#include "errorhelper.h"
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#include "pref.h"
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#include "range.h"
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#include "subsurface-string.h"
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cylinder_t::cylinder_t() = default;
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cylinder_t::~cylinder_t() = default;
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static cylinder_t make_surface_air_cylinder()
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{
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cylinder_t res;
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res.cylinder_use = NOT_USED;
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return res;
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}
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static const cylinder_t surface_air_cylinder = make_surface_air_cylinder();
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static void warn_index(size_t i, size_t max)
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{
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if (i >= max + 1) {
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report_info("Warning: accessing invalid cylinder %lu (%lu existing)",
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static_cast<unsigned long>(i), static_cast<unsigned long>(max));
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}
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}
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cylinder_t &cylinder_table::operator[](size_t i)
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{
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warn_index(i, size());
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return i < size() ? std::vector<cylinder_t>::operator[](i)
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: const_cast<cylinder_t &>(surface_air_cylinder);
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}
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const cylinder_t &cylinder_table::operator[](size_t i) const
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{
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warn_index(i, size());
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return i < size() ? std::vector<cylinder_t>::operator[](i)
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: surface_air_cylinder;
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}
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weightsystem_t::weightsystem_t() = default;
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weightsystem_t::~weightsystem_t() = default;
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weightsystem_t::weightsystem_t(weight_t w, std::string desc, bool auto_filled)
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: weight(w), description(std::move(desc)), auto_filled(auto_filled)
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{
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}
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const char *cylinderuse_text[NUM_GAS_USE] = {
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QT_TRANSLATE_NOOP("gettextFromC", "OC-gas"), QT_TRANSLATE_NOOP("gettextFromC", "diluent"), QT_TRANSLATE_NOOP("gettextFromC", "oxygen"), QT_TRANSLATE_NOOP("gettextFromC", "not used")
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};
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enum cylinderuse cylinderuse_from_text(const char *text)
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{
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for (int i = 0; i < static_cast<int>(NUM_GAS_USE); i++) {
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if (same_string(text, cylinderuse_text[i]) || same_string(text, translate("gettextFromC", cylinderuse_text[i])))
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return static_cast<enum cylinderuse>(i);
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}
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return static_cast<enum cylinderuse>(-1);
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}
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/* Add a metric or an imperial tank info structure. Copies the passed-in string. */
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static void add_tank_info_metric(std::vector<tank_info> &table, const std::string &name, int ml, int bar)
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{
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table.push_back(tank_info{ name, .ml = ml, .bar = bar });
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}
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static void add_tank_info_imperial(std::vector<tank_info> &table, const std::string &name, int cuft, int psi)
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{
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table.push_back(tank_info{ name, .cuft = cuft, .psi = psi });
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}
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struct tank_info *get_tank_info(std::vector<tank_info> &table, const std::string &name)
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{
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auto it = std::find_if(table.begin(), table.end(), [&name](const tank_info &info)
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{ return info.name == name; });
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return it != table.end() ? &*it : nullptr;
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}
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void set_tank_info_data(std::vector<tank_info> &table, const std::string &name, volume_t size, pressure_t working_pressure)
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{
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struct tank_info *info = get_tank_info(table, name);
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if (info) {
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if (info->ml != 0 || info->bar != 0) {
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info->bar = working_pressure.mbar / 1000;
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info->ml = size.mliter;
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} else {
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info->psi = lrint(to_PSI(working_pressure));
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info->cuft = lrint(ml_to_cuft(size.mliter) * mbar_to_atm(working_pressure.mbar));
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}
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} else {
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// Metric is a better choice as the volume is independent of the working pressure
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add_tank_info_metric(table, name, size.mliter, working_pressure.mbar / 1000);
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}
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}
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std::pair<volume_t, pressure_t> extract_tank_info(const struct tank_info &info)
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{
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pressure_t working_pressure {
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static_cast<int32_t>(info.bar != 0 ? info.bar * 1000 : psi_to_mbar(info.psi))
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};
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volume_t size { 0 };
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if (info.ml != 0)
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size.mliter = info.ml;
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else if (working_pressure.mbar != 0)
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size.mliter = lrint(cuft_to_l(info.cuft) * 1000 / mbar_to_atm(working_pressure.mbar));
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return std::make_pair(size, working_pressure);
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}
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std::pair<volume_t, pressure_t> get_tank_info_data(const std::vector<tank_info> &table, const std::string &name)
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{
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// Here, we would need a const version of get_tank_info().
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auto it = std::find_if(table.begin(), table.end(), [&name](const tank_info &info)
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{ return info.name == name; });
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return it != table.end() ? extract_tank_info(*it)
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: std::make_pair(volume_t{0}, pressure_t{0});
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}
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void add_cylinder_description(const cylinder_type_t &type)
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{
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const std::string &desc = type.description;
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if (desc.empty())
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return;
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if (std::any_of(tank_info_table.begin(), tank_info_table.end(),
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[&desc](const tank_info &info) { return info.name == desc; }))
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return;
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add_tank_info_metric(tank_info_table, desc, type.size.mliter,
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type.workingpressure.mbar / 1000);
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}
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void add_weightsystem_description(const weightsystem_t &weightsystem)
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{
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if (weightsystem.description.empty())
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return;
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auto it = std::find_if(ws_info_table.begin(), ws_info_table.end(),
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[&weightsystem](const ws_info &info)
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{ return info.name == weightsystem.description; });
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if (it != ws_info_table.end()) {
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it->weight = weightsystem.weight;
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return;
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}
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ws_info_table.push_back(ws_info { std::string(weightsystem.description), weightsystem.weight });
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}
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weight_t get_weightsystem_weight(const std::string &name)
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{
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// Also finds translated names (TODO: should only consider non-user items).
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auto it = std::find_if(ws_info_table.begin(), ws_info_table.end(),
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[&name](const ws_info &info)
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{ return info.name == name || translate("gettextFromC", info.name.c_str()) == name; });
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return it != ws_info_table.end() ? it->weight : weight_t();
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}
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void cylinder_table::add(int idx, cylinder_t cyl)
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{
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insert(begin() + idx, std::move(cyl));
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}
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bool weightsystem_t::operator==(const weightsystem_t &w2) const
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{
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return std::tie(weight.grams, description) ==
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std::tie(w2.weight.grams, w2.description);
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}
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volume_t cylinder_t::gas_volume(pressure_t p) const
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{
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double bar = p.mbar / 1000.0;
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double z_factor = gas_compressibility_factor(gasmix, bar);
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return volume_t { static_cast<int>(lrint(type.size.mliter * bar_to_atm(bar) / z_factor)) };
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}
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int find_best_gasmix_match(struct gasmix mix, const struct cylinder_table &cylinders)
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{
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int best = -1, score = INT_MAX;
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for (auto [i, match]: enumerated_range(cylinders)) {
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int distance = gasmix_distance(mix, match.gasmix);
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if (distance >= score)
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continue;
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best = i;
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score = distance;
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}
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return best;
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}
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/*
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* We hardcode the most common standard cylinders,
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* we should pick up any other names from the dive
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* logs directly.
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*/
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static void add_default_tank_infos(std::vector<tank_info> &table)
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{
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/* Size-only metric cylinders */
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add_tank_info_metric(table, "10.0ℓ", 10000, 0);
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add_tank_info_metric(table, "11.1ℓ", 11100, 0);
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/* Most common AL cylinders */
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add_tank_info_imperial(table, "AL40", 40, 3000);
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add_tank_info_imperial(table, "AL50", 50, 3000);
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add_tank_info_imperial(table, "AL63", 63, 3000);
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add_tank_info_imperial(table, "AL72", 72, 3000);
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add_tank_info_imperial(table, "AL80", 80, 3000);
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add_tank_info_imperial(table, "AL100", 100, 3300);
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/* Metric AL cylinders */
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add_tank_info_metric(table, "ALU7", 7000, 200);
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/* Somewhat common LP steel cylinders */
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add_tank_info_imperial(table, "LP85", 85, 2640);
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add_tank_info_imperial(table, "LP95", 95, 2640);
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add_tank_info_imperial(table, "LP108", 108, 2640);
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add_tank_info_imperial(table, "LP121", 121, 2640);
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/* Somewhat common HP steel cylinders */
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add_tank_info_imperial(table, "HP65", 65, 3442);
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add_tank_info_imperial(table, "HP80", 80, 3442);
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add_tank_info_imperial(table, "HP100", 100, 3442);
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add_tank_info_imperial(table, "HP117", 117, 3442);
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add_tank_info_imperial(table, "HP119", 119, 3442);
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add_tank_info_imperial(table, "HP130", 130, 3442);
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/* Common European steel cylinders */
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add_tank_info_metric(table, "3ℓ 232 bar", 3000, 232);
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add_tank_info_metric(table, "3ℓ 300 bar", 3000, 300);
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add_tank_info_metric(table, "10ℓ 200 bar", 10000, 200);
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add_tank_info_metric(table, "10ℓ 232 bar", 10000, 232);
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add_tank_info_metric(table, "10ℓ 300 bar", 10000, 300);
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add_tank_info_metric(table, "12ℓ 200 bar", 12000, 200);
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add_tank_info_metric(table, "12ℓ 232 bar", 12000, 232);
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add_tank_info_metric(table, "12ℓ 300 bar", 12000, 300);
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add_tank_info_metric(table, "15ℓ 200 bar", 15000, 200);
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add_tank_info_metric(table, "15ℓ 232 bar", 15000, 232);
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add_tank_info_metric(table, "D7 232 bar", 14000, 232);
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add_tank_info_metric(table, "D7 300 bar", 14000, 300);
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add_tank_info_metric(table, "D8.5 232 bar", 17000, 232);
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add_tank_info_metric(table, "D12 232 bar", 24000, 232);
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add_tank_info_metric(table, "D13 232 bar", 26000, 232);
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add_tank_info_metric(table, "D15 232 bar", 30000, 232);
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add_tank_info_metric(table, "D16 232 bar", 32000, 232);
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add_tank_info_metric(table, "D18 232 bar", 36000, 232);
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add_tank_info_metric(table, "D20 232 bar", 40000, 232);
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}
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std::vector<tank_info> tank_info_table;
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void reset_tank_info_table(std::vector<tank_info> &table)
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{
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table.clear();
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if (prefs.display_default_tank_infos)
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add_default_tank_infos(table);
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/* Add cylinders from dive list */
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for (auto &dive: divelog.dives) {
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for (auto &cyl: dive->cylinders)
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add_cylinder_description(cyl.type);
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}
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}
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/*
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* We hardcode the most common weight system types
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* This is a bit odd as the weight system types don't usually encode weight
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*/
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struct std::vector<ws_info> ws_info_table = {
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{ QT_TRANSLATE_NOOP("gettextFromC", "integrated"), weight_t() },
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{ QT_TRANSLATE_NOOP("gettextFromC", "belt"), weight_t() },
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{ QT_TRANSLATE_NOOP("gettextFromC", "ankle"), weight_t() },
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{ QT_TRANSLATE_NOOP("gettextFromC", "backplate"), weight_t() },
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{ QT_TRANSLATE_NOOP("gettextFromC", "clip-on"), weight_t() },
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};
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void remove_cylinder(struct dive *dive, int idx)
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{
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dive->cylinders.erase(dive->cylinders.begin() + idx);
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}
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void weightsystem_table::remove(int idx)
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{
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erase(begin() + idx);
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}
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void weightsystem_table::add(int idx, weightsystem_t ws)
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{
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idx = std::clamp(idx, 0, static_cast<int>(size()));
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insert(begin() + idx, std::move(ws));
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}
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void weightsystem_table::set(int idx, weightsystem_t ws)
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{
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if (idx < 0 || static_cast<size_t>(idx) >= size())
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return;
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(*this)[idx] = std::move(ws);
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}
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/* when planning a dive we need to make sure that all cylinders have a sane depth assigned
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* and if we are tracking gas consumption the pressures need to be reset to start = end = workingpressure */
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void reset_cylinders(struct dive *dive, bool track_gas)
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{
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pressure_t decopo2 = {.mbar = prefs.decopo2};
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for (cylinder_t &cyl: dive->cylinders) {
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if (cyl.depth.mm == 0) /* if the gas doesn't give a mod, calculate based on prefs */
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cyl.depth = dive->gas_mod(cyl.gasmix, decopo2, M_OR_FT(3,10));
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if (track_gas)
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cyl.start.mbar = cyl.end.mbar = cyl.type.workingpressure.mbar;
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cyl.gas_used.mliter = 0;
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cyl.deco_gas_used.mliter = 0;
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}
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}
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static void copy_cylinder_type(const cylinder_t &s, cylinder_t &d)
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{
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d.type = s.type;
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d.gasmix = s.gasmix;
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d.depth = s.depth;
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d.cylinder_use = s.cylinder_use;
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d.manually_added = true;
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}
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/* copy the equipment data part of the cylinders but keep pressures */
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void copy_cylinder_types(const struct dive *s, struct dive *d)
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{
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if (!s || !d)
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return;
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for (size_t i = 0; i < s->cylinders.size() && i < d->cylinders.size(); i++)
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copy_cylinder_type(s->cylinders[i], d->cylinders[i]);
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for (size_t i = d->cylinders.size(); i < s->cylinders.size(); i++)
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d->cylinders.push_back(s->cylinders[i]);
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}
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/* if a default cylinder is set, use that */
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void fill_default_cylinder(const struct dive *dive, cylinder_t *cyl)
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{
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const std::string &cyl_name = prefs.default_cylinder;
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pressure_t pO2 = {.mbar = static_cast<int>(lrint(prefs.modpO2 * 1000.0))};
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if (cyl_name.empty())
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return;
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for (auto &ti: tank_info_table) {
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if (ti.name == cyl_name) {
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cyl->type.description = ti.name;
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if (ti.ml) {
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cyl->type.size.mliter = ti.ml;
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cyl->type.workingpressure.mbar = ti.bar * 1000;
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} else {
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cyl->type.workingpressure.mbar = psi_to_mbar(ti.psi);
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if (ti.psi)
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cyl->type.size.mliter = lrint(cuft_to_l(ti.cuft) * 1000 / bar_to_atm(psi_to_bar(ti.psi)));
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}
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// MOD of air
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cyl->depth = dive->gas_mod(cyl->gasmix, pO2, 1);
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return;
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}
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}
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}
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cylinder_t default_cylinder(const struct dive *d)
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{
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cylinder_t res;
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fill_default_cylinder(d, &res);
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return res;
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}
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cylinder_t create_new_cylinder(const struct dive *d)
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{
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cylinder_t cyl = default_cylinder(d);
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cyl.start = cyl.type.workingpressure;
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cyl.cylinder_use = OC_GAS;
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return cyl;
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}
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cylinder_t create_new_manual_cylinder(const struct dive *d)
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{
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cylinder_t cyl = create_new_cylinder(d);
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cyl.manually_added = true;
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return cyl;
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}
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void add_default_cylinder(struct dive *d)
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{
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// Only add if there are no cylinders yet
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if (!d->cylinders.empty())
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return;
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cylinder_t cyl;
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if (!prefs.default_cylinder.empty()) {
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cyl = create_new_cylinder(d);
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} else {
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// roughly an AL80
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cyl.type.description = translate("gettextFromC", "unknown");
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cyl.type.size.mliter = 11100;
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cyl.type.workingpressure.mbar = 207000;
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}
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d->cylinders.add(0, std::move(cyl));
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reset_cylinders(d, false);
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}
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static bool show_cylinder(const struct dive *d, int i)
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{
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if (d->is_cylinder_used(i))
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return true;
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const cylinder_t &cyl = d->cylinders[i];
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if (cyl.start.mbar || cyl.sample_start.mbar ||
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cyl.end.mbar || cyl.sample_end.mbar)
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return true;
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if (cyl.manually_added)
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return true;
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/*
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* The cylinder has some data, but none of it is very interesting,
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* it has no pressures and no gas switches. Do we want to show it?
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*/
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return false;
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}
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/* The unused cylinders at the end of the cylinder list are hidden. */
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int first_hidden_cylinder(const struct dive *d)
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{
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size_t res = d->cylinders.size();
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while (res > 0 && !show_cylinder(d, res - 1))
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--res;
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return static_cast<int>(res);
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}
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#ifdef DEBUG_CYL
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void dump_cylinders(struct dive *dive, bool verbose)
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{
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printf("Cylinder list:\n");
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for (int i = 0; i < dive->cylinders; i++) {
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cylinder_t *cyl = dive->get_cylinder(i);
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printf("%02d: Type %s, %3.1fl, %3.0fbar\n", i, cyl->type.description.c_str(), cyl->type.size.mliter / 1000.0, cyl->type.workingpressure.mbar / 1000.0);
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printf(" Gasmix O2 %2.0f%% He %2.0f%%\n", cyl->gasmix.o2.permille / 10.0, cyl->gasmix.he.permille / 10.0);
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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);
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if (verbose) {
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printf(" Depth %3.0fm\n", cyl->depth.mm / 1000.0);
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printf(" Added %s\n", (cyl->manually_added ? "manually" : ""));
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printf(" Gas used Bottom %5.0fl Deco %5.0fl\n", cyl->gas_used.mliter / 1000.0, cyl->deco_gas_used.mliter / 1000.0);
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printf(" Use %d\n", cyl->cylinder_use);
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printf(" Bestmix %s %s\n", (cyl->bestmix_o2 ? "O2" : " "), (cyl->bestmix_he ? "He" : " "));
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}
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}
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}
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#endif
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