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#include <array>
#include <charconv>
#include <filesystem>
#include <fstream>
#include <iostream>
#include <optional>
#include <string>
#include <rawaccel-settings.h>
using namespace System;
using namespace System::Runtime::InteropServices;
using namespace Newtonsoft::Json;
namespace ra = rawaccel;
namespace fs = std::filesystem;
const wchar_t* IA_SETTINGS_NAME = L"settings.txt";
const wchar_t* IA_PROFILE_EXT = L".profile";
enum IA_MODES_ENUM { IA_QL, IA_NAT, IA_LOG };
constexpr std::array<std::string_view, 3> IA_MODES = {
"QuakeLive", "Natural", "Logarithmic"
};
// trim from start (in place)
static inline void ltrim(std::string& s) {
s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) {
return !std::isspace(ch);
}));
}
// trim from end (in place)
static inline void rtrim(std::string& s) {
s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigned char ch) {
return !std::isspace(ch);
}).base(), s.end());
}
// trim from both ends (in place)
static inline void trim(std::string& s) {
ltrim(s);
rtrim(s);
}
bool yes() {
bool b;
while (wchar_t c = _getwch()) {
if (c == 'y') {
b = true;
break;
}
else if (c == 'n') {
b = false;
break;
}
}
return b;
}
bool try_convert(const fs::path& fp) {
std::vector<std::pair<std::string, double>> kv_pairs;
{
std::ifstream ifs(fp);
std::string line;
while (std::getline(ifs, line)) {
if (line.empty()) continue;
auto delim_pos = line.find('=');
if (delim_pos == std::string::npos) continue;
std::string key(line.substr(0, delim_pos));
trim(key);
auto val_pos = line.find_first_not_of(" \t", delim_pos + 1);
if (val_pos == std::string::npos) continue;
double val = 0;
auto [p, ec] = std::from_chars(&line[val_pos], &line[0] + line.size(), val);
if (ec == std::errc()) {
kv_pairs.emplace_back(key, val);
}
else if (key == "AccelMode") {
std::string mode_val = line.substr(val_pos);
rtrim(mode_val);
auto it = std::find(IA_MODES.begin(), IA_MODES.end(), mode_val);
if (it != IA_MODES.end()) {
val = static_cast<double>(std::distance(IA_MODES.begin(), it));
kv_pairs.emplace_back(key, val);
}
}
}
}
auto get = [&](auto... keys) -> std::optional<double> {
auto it = std::find_if(kv_pairs.begin(), kv_pairs.end(), [=](auto&& p) {
return ((p.first == keys) || ...);
});
if (it == kv_pairs.end()) return std::nullopt;
return it->second;
};
ra::settings ra_settings;
ra::accel_args& args = ra_settings.argsv.x;
auto opt_mode = get("AccelMode");
if (!opt_mode) opt_mode = 0.0;
double accel = std::max(get("Acceleration").value_or(0), 0.0);
double sens = get("Sensitivity").value_or(1);
double cap = get("SensitivityCap").value_or(0);
std::cout << "We recommend trying out our new cap and offset styles.\n"
"Use new cap and offset? (y|n)\n";
args.legacy_offset = !yes();
args.offset = get("Offset").value_or(0);
args.accel = accel / sens * get("Pre-ScaleX").value_or(1);
args.limit = 1 + std::abs(cap - sens);
ra_settings.degrees_rotation = get("Angle", "AngleAdjustment").value_or(0);
ra_settings.sens = {
get("Post-ScaleX").value_or(1),
get("Post-ScaleY").value_or(1)
};
switch (static_cast<IA_MODES_ENUM>(opt_mode.value())) {
case IA_QL: {
auto opt_pow = get("Power");
if (!opt_pow || opt_pow.value() <= 1) return false;
args.exponent = opt_pow.value();
if (args.legacy_offset || cap <= 1) {
args.scale_cap = cap;
}
else {
double b = (cap - 1) / args.exponent;
double e = 1 / (args.exponent - 1);
args.gain_cap = args.offset + (1 / accel) * std::pow(b, e);
}
ra_settings.modes.x = ra::accel_mode::classic;
break;
}
case IA_NAT: {
std::cout << "Raw Accel offers a new mode that you might like more than Natural.\n"
"Wanna try it out now? (y|n)\n";
ra_settings.modes.x = yes() ? ra::accel_mode::naturalgain : ra::accel_mode::natural;
break;
}
case IA_LOG: {
std::cout << "Logarithmic accel mode is not supported.\n";
return true;
}
default: return false;
}
DriverSettings^ new_settings = Marshal::PtrToStructure<DriverSettings^>((IntPtr)&ra_settings);
auto errors = DriverInterop::GetSettingsErrors(new_settings);
if (errors->Empty()) {
Console::Write("Sending to driver... ");
DriverInterop::Write(new_settings);
Console::WriteLine("done");
Console::Write("Generating settings.json... ");
auto json = JsonConvert::SerializeObject(new_settings, Formatting::Indented);
System::IO::File::WriteAllText("settings.json", json);
Console::WriteLine("done");
}
else {
Console::WriteLine("Bad settings:\n" + errors->x->ToArray()[0]);
}
return true;
}
int main()
{
std::optional<fs::path> opt_path;
if (fs::exists(IA_SETTINGS_NAME)) {
opt_path = IA_SETTINGS_NAME;
}
else {
for (auto&& entry : fs::directory_iterator(".")) {
if (fs::is_regular_file(entry) &&
entry.path().extension() == IA_PROFILE_EXT) {
opt_path = entry;
break;
}
}
}
if (opt_path) {
std::cout << "Found " << opt_path->filename() <<
"\n\nConvert and send settings generated from " <<
opt_path->filename() << "? (y|n)\n";
if (!yes()) return 0;
try {
if (!try_convert(opt_path.value()))
std::cout << "Unable to convert settings.\n";
}
catch (DriverNotInstalledException^) {
std::cout << "\nDriver is not installed\n";
}
catch (const std::exception& e) {
std::cout << "Error: \n" << e.what() << '\n';
}
}
else {
std::cout << "Drop your InterAccel settings/profile into this directory.\n"
"Then run this program to generate the equivalent Raw Accel settings.\n";
}
std::cout << "Press any key to close this window . . .\n";
_getwch();
}
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