322 lines
8.9 KiB
C++
322 lines
8.9 KiB
C++
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <cstring>
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#include <regex>
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#include <fmt/format.h>
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#include "common/fs/file.h"
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#include "common/fs/fs_types.h"
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#include "common/fs/path_util.h"
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#include "common/logging/log.h"
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#include "common/settings.h"
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#include "input_common/drivers/tas_input.h"
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namespace InputCommon::TasInput {
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enum TasAxes : u8 {
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StickX,
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StickY,
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SubstickX,
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SubstickY,
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Undefined,
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};
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// Supported keywords and buttons from a TAS file
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constexpr std::array<std::pair<std::string_view, TasButton>, 20> text_to_tas_button = {
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std::pair{"KEY_A", TasButton::BUTTON_A},
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{"KEY_B", TasButton::BUTTON_B},
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{"KEY_X", TasButton::BUTTON_X},
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{"KEY_Y", TasButton::BUTTON_Y},
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{"KEY_LSTICK", TasButton::STICK_L},
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{"KEY_RSTICK", TasButton::STICK_R},
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{"KEY_L", TasButton::TRIGGER_L},
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{"KEY_R", TasButton::TRIGGER_R},
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{"KEY_PLUS", TasButton::BUTTON_PLUS},
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{"KEY_MINUS", TasButton::BUTTON_MINUS},
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{"KEY_DLEFT", TasButton::BUTTON_LEFT},
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{"KEY_DUP", TasButton::BUTTON_UP},
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{"KEY_DRIGHT", TasButton::BUTTON_RIGHT},
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{"KEY_DDOWN", TasButton::BUTTON_DOWN},
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{"KEY_SL", TasButton::BUTTON_SL},
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{"KEY_SR", TasButton::BUTTON_SR},
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{"KEY_CAPTURE", TasButton::BUTTON_CAPTURE},
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{"KEY_HOME", TasButton::BUTTON_HOME},
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{"KEY_ZL", TasButton::TRIGGER_ZL},
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{"KEY_ZR", TasButton::TRIGGER_ZR},
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};
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Tas::Tas(const std::string input_engine_) : InputCommon::InputEngine(input_engine_) {
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for (size_t player_index = 0; player_index < PLAYER_NUMBER; player_index++) {
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PadIdentifier identifier{
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.guid = Common::UUID{},
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.port = player_index,
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.pad = 0,
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};
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PreSetController(identifier);
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}
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ClearInput();
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if (!Settings::values.tas_enable) {
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needs_reset = true;
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return;
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}
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LoadTasFiles();
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}
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Tas::~Tas() {
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Stop();
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};
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void Tas::LoadTasFiles() {
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script_length = 0;
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for (size_t i = 0; i < commands.size(); i++) {
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LoadTasFile(i);
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if (commands[i].size() > script_length) {
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script_length = commands[i].size();
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}
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}
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}
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void Tas::LoadTasFile(size_t player_index) {
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if (!commands[player_index].empty()) {
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commands[player_index].clear();
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}
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std::string file =
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Common::FS::ReadStringFromFile(Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) /
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fmt::format("script0-{}.txt", player_index + 1),
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Common::FS::FileType::BinaryFile);
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std::stringstream command_line(file);
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std::string line;
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int frame_no = 0;
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while (std::getline(command_line, line, '\n')) {
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if (line.empty()) {
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continue;
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}
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std::smatch m;
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std::stringstream linestream(line);
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std::string segment;
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std::vector<std::string> seglist;
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while (std::getline(linestream, segment, ' ')) {
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seglist.push_back(segment);
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}
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if (seglist.size() < 4) {
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continue;
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}
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while (frame_no < std::stoi(seglist.at(0))) {
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commands[player_index].push_back({});
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frame_no++;
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}
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TASCommand command = {
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.buttons = ReadCommandButtons(seglist.at(1)),
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.l_axis = ReadCommandAxis(seglist.at(2)),
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.r_axis = ReadCommandAxis(seglist.at(3)),
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};
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commands[player_index].push_back(command);
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frame_no++;
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}
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LOG_INFO(Input, "TAS file loaded! {} frames", frame_no);
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}
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void Tas::WriteTasFile(std::u8string file_name) {
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std::string output_text;
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for (size_t frame = 0; frame < record_commands.size(); frame++) {
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const TASCommand& line = record_commands[frame];
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output_text += fmt::format("{} {} {} {}\n", frame, WriteCommandButtons(line.buttons),
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WriteCommandAxis(line.l_axis), WriteCommandAxis(line.r_axis));
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}
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const auto bytes_written = Common::FS::WriteStringToFile(
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Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) / file_name,
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Common::FS::FileType::TextFile, output_text);
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if (bytes_written == output_text.size()) {
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LOG_INFO(Input, "TAS file written to file!");
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} else {
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LOG_ERROR(Input, "Writing the TAS-file has failed! {} / {} bytes written", bytes_written,
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output_text.size());
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}
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}
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void Tas::RecordInput(u64 buttons, TasAnalog left_axis, TasAnalog right_axis) {
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last_input = {
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.buttons = buttons,
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.l_axis = FlipAxisY(left_axis),
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.r_axis = FlipAxisY(right_axis),
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};
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}
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TasAnalog Tas::FlipAxisY(TasAnalog old) {
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return {
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.x = old.x,
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.y = -old.y,
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};
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}
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std::tuple<TasState, size_t, size_t> Tas::GetStatus() const {
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TasState state;
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if (is_recording) {
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return {TasState::Recording, 0, record_commands.size()};
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}
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if (is_running) {
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state = TasState::Running;
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} else {
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state = TasState::Stopped;
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}
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return {state, current_command, script_length};
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}
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void Tas::UpdateThread() {
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if (!Settings::values.tas_enable) {
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if (is_running) {
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Stop();
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}
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return;
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}
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if (is_recording) {
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record_commands.push_back(last_input);
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}
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if (needs_reset) {
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current_command = 0;
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needs_reset = false;
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LoadTasFiles();
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LOG_DEBUG(Input, "tas_reset done");
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}
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if (!is_running) {
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ClearInput();
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return;
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}
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if (current_command < script_length) {
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LOG_DEBUG(Input, "Playing TAS {}/{}", current_command, script_length);
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const size_t frame = current_command++;
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for (size_t player_index = 0; player_index < commands.size(); player_index++) {
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TASCommand command{};
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if (frame < commands[player_index].size()) {
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command = commands[player_index][frame];
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}
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PadIdentifier identifier{
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.guid = Common::UUID{},
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.port = player_index,
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.pad = 0,
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};
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for (std::size_t i = 0; i < sizeof(command.buttons) * 8; ++i) {
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const bool button_status = (command.buttons & (1LLU << i)) != 0;
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const int button = static_cast<int>(i);
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SetButton(identifier, button, button_status);
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}
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SetAxis(identifier, TasAxes::StickX, command.l_axis.x);
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SetAxis(identifier, TasAxes::StickY, command.l_axis.y);
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SetAxis(identifier, TasAxes::SubstickX, command.r_axis.x);
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SetAxis(identifier, TasAxes::SubstickY, command.r_axis.y);
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}
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} else {
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is_running = Settings::values.tas_loop.GetValue();
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current_command = 0;
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ClearInput();
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}
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}
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void Tas::ClearInput() {
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ResetButtonState();
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ResetAnalogState();
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}
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TasAnalog Tas::ReadCommandAxis(const std::string& line) const {
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std::stringstream linestream(line);
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std::string segment;
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std::vector<std::string> seglist;
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while (std::getline(linestream, segment, ';')) {
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seglist.push_back(segment);
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}
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const float x = std::stof(seglist.at(0)) / 32767.0f;
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const float y = std::stof(seglist.at(1)) / 32767.0f;
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return {x, y};
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}
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u64 Tas::ReadCommandButtons(const std::string& data) const {
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std::stringstream button_text(data);
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std::string line;
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u64 buttons = 0;
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while (std::getline(button_text, line, ';')) {
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for (auto [text, tas_button] : text_to_tas_button) {
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if (text == line) {
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buttons |= static_cast<u64>(tas_button);
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break;
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}
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}
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}
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return buttons;
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}
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std::string Tas::WriteCommandButtons(u64 buttons) const {
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std::string returns = "";
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for (auto [text_button, tas_button] : text_to_tas_button) {
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if ((buttons & static_cast<u64>(tas_button)) != 0) {
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returns += fmt::format("{};", text_button);
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}
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}
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return returns.empty() ? "NONE" : returns;
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}
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std::string Tas::WriteCommandAxis(TasAnalog analog) const {
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return fmt::format("{};{}", analog.x * 32767, analog.y * 32767);
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}
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void Tas::StartStop() {
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if (!Settings::values.tas_enable) {
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return;
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}
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if (is_running) {
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Stop();
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} else {
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is_running = true;
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}
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}
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void Tas::Stop() {
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is_running = false;
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}
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void Tas::Reset() {
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if (!Settings::values.tas_enable) {
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return;
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}
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needs_reset = true;
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}
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bool Tas::Record() {
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if (!Settings::values.tas_enable) {
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return true;
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}
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is_recording = !is_recording;
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return is_recording;
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}
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void Tas::SaveRecording(bool overwrite_file) {
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if (is_recording) {
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return;
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}
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if (record_commands.empty()) {
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return;
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}
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WriteTasFile(u8"record.txt");
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if (overwrite_file) {
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WriteTasFile(u8"script0-1.txt");
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}
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needs_reset = true;
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record_commands.clear();
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}
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} // namespace InputCommon::TasInput
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