456 lines
14 KiB
C++
456 lines
14 KiB
C++
// 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 "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/tas/tas_input.h"
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namespace TasInput {
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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() {
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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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LOG_DEBUG(Input, "Loading line: {}", line);
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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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if (!output_text.empty()) {
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output_text += "\n";
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}
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const TASCommand& line = record_commands[frame];
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output_text += std::to_string(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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std::pair<float, float> Tas::FlipAxisY(std::pair<float, float> old) {
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auto [x, y] = old;
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return {x, -y};
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}
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void Tas::RecordInput(u32 buttons, const std::array<std::pair<float, float>, 2>& axes) {
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last_input = {buttons, FlipAxisY(axes[0]), FlipAxisY(axes[1])};
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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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std::string Tas::DebugButtons(u32 buttons) const {
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return fmt::format("{{ {} }}", TasInput::Tas::ButtonsToString(buttons));
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}
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std::string Tas::DebugJoystick(float x, float y) const {
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return fmt::format("[ {} , {} ]", std::to_string(x), std::to_string(y));
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}
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std::string Tas::DebugInput(const TasData& data) const {
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return fmt::format("{{ {} , {} , {} }}", DebugButtons(data.buttons),
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DebugJoystick(data.axis[0], data.axis[1]),
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DebugJoystick(data.axis[2], data.axis[3]));
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}
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std::string Tas::DebugInputs(const std::array<TasData, PLAYER_NUMBER>& arr) const {
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std::string returns = "[ ";
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for (size_t i = 0; i < arr.size(); i++) {
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returns += DebugInput(arr[i]);
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if (i != arr.size() - 1) {
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returns += " , ";
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}
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}
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return returns + "]";
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}
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std::string Tas::ButtonsToString(u32 button) 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 ((button & static_cast<u32>(tas_button)) != 0)
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returns += fmt::format(", {}", text_button.substr(4));
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}
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return returns.empty() ? "" : returns.substr(2);
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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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tas_data.fill({});
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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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size_t frame = current_command++;
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for (size_t i = 0; i < commands.size(); i++) {
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if (frame < commands[i].size()) {
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TASCommand command = commands[i][frame];
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tas_data[i].buttons = command.buttons;
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auto [l_axis_x, l_axis_y] = command.l_axis;
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tas_data[i].axis[0] = l_axis_x;
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tas_data[i].axis[1] = l_axis_y;
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auto [r_axis_x, r_axis_y] = command.r_axis;
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tas_data[i].axis[2] = r_axis_x;
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tas_data[i].axis[3] = r_axis_y;
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} else {
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tas_data[i] = {};
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}
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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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tas_data.fill({});
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if (!is_running) {
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SwapToStoredController();
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}
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}
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LOG_DEBUG(Input, "TAS inputs: {}", DebugInputs(tas_data));
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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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u32 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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u32 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<u32>(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::WriteCommandAxis(TasAnalog data) const {
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auto [x, y] = data;
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std::string line;
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line += std::to_string(static_cast<int>(x * 32767));
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line += ";";
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line += std::to_string(static_cast<int>(y * 32767));
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return line;
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}
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std::string Tas::WriteCommandButtons(u32 data) const {
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if (data == 0) {
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return "NONE";
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}
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std::string line;
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u32 index = 0;
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while (data > 0) {
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if ((data & 1) == 1) {
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for (auto [text, tas_button] : text_to_tas_button) {
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if (tas_button == static_cast<TasButton>(1 << index)) {
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if (line.size() > 0) {
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line += ";";
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}
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line += text;
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break;
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}
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}
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}
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index++;
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data >>= 1;
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}
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return line;
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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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SwapToTasController();
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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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SwapToStoredController();
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}
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void Tas::SwapToTasController() {
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if (!Settings::values.tas_swap_controllers) {
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return;
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}
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auto& players = Settings::values.players.GetValue();
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for (std::size_t index = 0; index < players.size(); index++) {
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auto& player = players[index];
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player_mappings[index] = player;
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// Only swap active controllers
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if (!player.connected) {
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continue;
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}
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Common::ParamPackage tas_param;
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tas_param.Set("pad", static_cast<u8>(index));
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auto button_mapping = GetButtonMappingForDevice(tas_param);
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auto analog_mapping = GetAnalogMappingForDevice(tas_param);
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auto& buttons = player.buttons;
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auto& analogs = player.analogs;
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for (std::size_t i = 0; i < buttons.size(); ++i) {
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buttons[i] = button_mapping[static_cast<Settings::NativeButton::Values>(i)].Serialize();
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}
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for (std::size_t i = 0; i < analogs.size(); ++i) {
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analogs[i] = analog_mapping[static_cast<Settings::NativeAnalog::Values>(i)].Serialize();
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}
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}
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is_old_input_saved = true;
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Settings::values.is_device_reload_pending.store(true);
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}
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void Tas::SwapToStoredController() {
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if (!is_old_input_saved) {
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return;
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}
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auto& players = Settings::values.players.GetValue();
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for (std::size_t index = 0; index < players.size(); index++) {
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players[index] = player_mappings[index];
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}
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is_old_input_saved = false;
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Settings::values.is_device_reload_pending.store(true);
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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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InputCommon::ButtonMapping Tas::GetButtonMappingForDevice(
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const Common::ParamPackage& params) const {
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// This list is missing ZL/ZR since those are not considered buttons.
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// We will add those afterwards
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// This list also excludes any button that can't be really mapped
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static constexpr std::array<std::pair<Settings::NativeButton::Values, TasButton>, 20>
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switch_to_tas_button = {
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std::pair{Settings::NativeButton::A, TasButton::BUTTON_A},
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{Settings::NativeButton::B, TasButton::BUTTON_B},
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{Settings::NativeButton::X, TasButton::BUTTON_X},
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{Settings::NativeButton::Y, TasButton::BUTTON_Y},
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{Settings::NativeButton::LStick, TasButton::STICK_L},
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{Settings::NativeButton::RStick, TasButton::STICK_R},
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{Settings::NativeButton::L, TasButton::TRIGGER_L},
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{Settings::NativeButton::R, TasButton::TRIGGER_R},
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{Settings::NativeButton::Plus, TasButton::BUTTON_PLUS},
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{Settings::NativeButton::Minus, TasButton::BUTTON_MINUS},
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{Settings::NativeButton::DLeft, TasButton::BUTTON_LEFT},
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{Settings::NativeButton::DUp, TasButton::BUTTON_UP},
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{Settings::NativeButton::DRight, TasButton::BUTTON_RIGHT},
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{Settings::NativeButton::DDown, TasButton::BUTTON_DOWN},
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{Settings::NativeButton::SL, TasButton::BUTTON_SL},
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{Settings::NativeButton::SR, TasButton::BUTTON_SR},
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{Settings::NativeButton::Screenshot, TasButton::BUTTON_CAPTURE},
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{Settings::NativeButton::Home, TasButton::BUTTON_HOME},
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{Settings::NativeButton::ZL, TasButton::TRIGGER_ZL},
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{Settings::NativeButton::ZR, TasButton::TRIGGER_ZR},
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};
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InputCommon::ButtonMapping mapping{};
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for (const auto& [switch_button, tas_button] : switch_to_tas_button) {
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Common::ParamPackage button_params({{"engine", "tas"}});
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button_params.Set("pad", params.Get("pad", 0));
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button_params.Set("button", static_cast<int>(tas_button));
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mapping.insert_or_assign(switch_button, std::move(button_params));
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}
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return mapping;
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}
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InputCommon::AnalogMapping Tas::GetAnalogMappingForDevice(
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const Common::ParamPackage& params) const {
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InputCommon::AnalogMapping mapping = {};
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Common::ParamPackage left_analog_params;
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left_analog_params.Set("engine", "tas");
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left_analog_params.Set("pad", params.Get("pad", 0));
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left_analog_params.Set("axis_x", static_cast<int>(TasAxes::StickX));
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left_analog_params.Set("axis_y", static_cast<int>(TasAxes::StickY));
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mapping.insert_or_assign(Settings::NativeAnalog::LStick, std::move(left_analog_params));
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Common::ParamPackage right_analog_params;
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right_analog_params.Set("engine", "tas");
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right_analog_params.Set("pad", params.Get("pad", 0));
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right_analog_params.Set("axis_x", static_cast<int>(TasAxes::SubstickX));
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right_analog_params.Set("axis_y", static_cast<int>(TasAxes::SubstickY));
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mapping.insert_or_assign(Settings::NativeAnalog::RStick, std::move(right_analog_params));
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return mapping;
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}
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const TasData& Tas::GetTasState(std::size_t pad) const {
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return tas_data[pad];
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}
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} // namespace TasInput
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