// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <chrono>
#include <cstring>
#include <functional>
#include <random>
#include <regex>
#include <thread>
#include <boost/asio.hpp>
#include "common/fs/file.h"
#include "common/fs/fs_types.h"
#include "common/fs/path_util.h"
#include "common/logging/log.h"
#include "common/settings.h"
#include "input_common/tas/tas_input.h"
namespace TasInput {
Tas::Tas() {
LoadTasFiles();
}
Tas::~Tas() {
update_thread_running = false;
}
void Tas::RefreshTasFile() {
refresh_tas_fle = true;
}
void Tas::LoadTasFiles() {
scriptLength = 0;
for (int i = 0; i < PLAYER_NUMBER; i++) {
LoadTasFile(i);
if (newCommands[i].size() > scriptLength)
scriptLength = newCommands[i].size();
}
}
void Tas::LoadTasFile(int playerIndex) {
LOG_DEBUG(Input, "LoadTasFile()");
if (!newCommands[playerIndex].empty()) {
newCommands[playerIndex].clear();
}
std::string file = Common::FS::ReadStringFromFile(
Common::FS::GetYuzuPathString(Common::FS::YuzuPath::TASFile) + "script0-" +
std::to_string(playerIndex + 1) + ".txt",
Common::FS::FileType::BinaryFile);
std::stringstream command_line(file);
std::string line;
int frameNo = 0;
TASCommand empty = {.buttons = 0, .l_axis = {0.f, 0.f}, .r_axis = {0.f, 0.f}};
while (std::getline(command_line, line, '\n')) {
if (line.empty())
continue;
LOG_DEBUG(Input, "Loading line: {}", line);
std::smatch m;
std::stringstream linestream(line);
std::string segment;
std::vector<std::string> seglist;
while (std::getline(linestream, segment, ' ')) {
seglist.push_back(segment);
}
if (seglist.size() < 4)
continue;
while (frameNo < std::stoi(seglist.at(0))) {
newCommands[playerIndex].push_back(empty);
frameNo++;
}
TASCommand command = {
.buttons = ReadCommandButtons(seglist.at(1)),
.l_axis = ReadCommandAxis(seglist.at(2)),
.r_axis = ReadCommandAxis(seglist.at(3)),
};
newCommands[playerIndex].push_back(command);
frameNo++;
}
LOG_INFO(Input, "TAS file loaded! {} frames", frameNo);
}
void Tas::WriteTasFile() {
LOG_DEBUG(Input, "WriteTasFile()");
std::string output_text = "";
for (int frame = 0; frame < (signed)recordCommands.size(); frame++) {
if (!output_text.empty())
output_text += "\n";
TASCommand line = recordCommands.at(frame);
output_text += std::to_string(frame) + " " + WriteCommandButtons(line.buttons) + " " +
WriteCommandAxis(line.l_axis) + " " + WriteCommandAxis(line.r_axis);
}
size_t bytesWritten = Common::FS::WriteStringToFile(
Common::FS::GetYuzuPathString(Common::FS::YuzuPath::TASFile) + "record.txt",
Common::FS::FileType::TextFile, output_text);
if (bytesWritten == output_text.size())
LOG_INFO(Input, "TAS file written to file!");
else
LOG_ERROR(Input, "Writing the TAS-file has failed! {} / {} bytes written", bytesWritten,
output_text.size());
}
void Tas::RecordInput(u32 buttons, std::array<std::pair<float, float>, 2> axes) {
lastInput = {buttons, flipY(axes[0]), flipY(axes[1])};
}
std::pair<float, float> Tas::flipY(std::pair<float, float> old) const {
auto [x, y] = old;
return {x, -y};
}
std::string Tas::GetStatusDescription() {
if (Settings::values.tas_record) {
return "Recording TAS: " + std::to_string(recordCommands.size());
}
if (Settings::values.tas_enable) {
return "Playing TAS: " + std::to_string(current_command) + "/" +
std::to_string(scriptLength);
}
return "TAS not running: " + std::to_string(current_command) + "/" +
std::to_string(scriptLength);
}
std::string debugButtons(u32 buttons) {
return "{ " + TasInput::Tas::buttonsToString(buttons) + " }";
}
std::string debugJoystick(float x, float y) {
return "[ " + std::to_string(x) + "," + std::to_string(y) + " ]";
}
std::string debugInput(TasData data) {
return "{ " + debugButtons(data.buttons) + " , " + debugJoystick(data.axis[0], data.axis[1]) +
" , " + debugJoystick(data.axis[2], data.axis[3]) + " }";
}
std::string debugInputs(std::array<TasData, PLAYER_NUMBER> arr) {
std::string returns = "[ ";
for (size_t i = 0; i < arr.size(); i++) {
returns += debugInput(arr[i]);
if (i != arr.size() - 1)
returns += " , ";
}
return returns + "]";
}
void Tas::UpdateThread() {
if (update_thread_running) {
if (Settings::values.pauseTasOnLoad && Settings::values.cpuBoosted) {
for (int i = 0; i < PLAYER_NUMBER; i++) {
tas_data[i].buttons = 0;
tas_data[i].axis = {};
}
}
if (Settings::values.tas_record) {
recordCommands.push_back(lastInput);
}
if (!Settings::values.tas_record && !recordCommands.empty()) {
WriteTasFile();
Settings::values.tas_reset = true;
refresh_tas_fle = true;
recordCommands.clear();
}
if (Settings::values.tas_reset) {
current_command = 0;
if (refresh_tas_fle) {
LoadTasFiles();
refresh_tas_fle = false;
}
Settings::values.tas_reset = false;
LoadTasFiles();
LOG_DEBUG(Input, "tas_reset done");
}
if (Settings::values.tas_enable) {
if ((signed)current_command < scriptLength) {
LOG_INFO(Input, "Playing TAS {}/{}", current_command, scriptLength);
size_t frame = current_command++;
for (int i = 0; i < PLAYER_NUMBER; i++) {
if (frame < newCommands[i].size()) {
TASCommand command = newCommands[i][frame];
tas_data[i].buttons = command.buttons;
auto [l_axis_x, l_axis_y] = command.l_axis;
tas_data[i].axis[0] = l_axis_x;
tas_data[i].axis[1] = l_axis_y;
auto [r_axis_x, r_axis_y] = command.r_axis;
tas_data[i].axis[2] = r_axis_x;
tas_data[i].axis[3] = r_axis_y;
} else {
tas_data[i].buttons = 0;
tas_data[i].axis = {};
}
}
} else {
Settings::values.tas_enable = false;
current_command = 0;
for (int i = 0; i < PLAYER_NUMBER; i++) {
tas_data[i].buttons = 0;
tas_data[i].axis = {};
}
}
} else {
for (int i = 0; i < PLAYER_NUMBER; i++) {
tas_data[i].buttons = 0;
tas_data[i].axis = {};
}
}
}
LOG_DEBUG(Input, "TAS inputs: {}", debugInputs(tas_data));
}
TasAnalog Tas::ReadCommandAxis(const std::string line) const {
std::stringstream linestream(line);
std::string segment;
std::vector<std::string> seglist;
while (std::getline(linestream, segment, ';')) {
seglist.push_back(segment);
}
const float x = std::stof(seglist.at(0)) / 32767.f;
const float y = std::stof(seglist.at(1)) / 32767.f;
return {x, y};
}
u32 Tas::ReadCommandButtons(const std::string data) const {
std::stringstream button_text(data);
std::string line;
u32 buttons = 0;
while (std::getline(button_text, line, ';')) {
for (auto [text, tas_button] : text_to_tas_button) {
if (text == line) {
buttons |= static_cast<u32>(tas_button);
break;
}
}
}
return buttons;
}
std::string Tas::WriteCommandAxis(TasAnalog data) const {
auto [x, y] = data;
std::string line;
line += std::to_string(static_cast<int>(x * 32767));
line += ";";
line += std::to_string(static_cast<int>(y * 32767));
return line;
}
std::string Tas::WriteCommandButtons(u32 data) const {
if (data == 0)
return "NONE";
std::string line;
u32 index = 0;
while (data > 0) {
if ((data & 1) == 1) {
for (auto [text, tas_button] : text_to_tas_button) {
if (tas_button == static_cast<TasButton>(1 << index)) {
if (line.size() > 0)
line += ";";
line += text;
break;
}
}
}
index++;
data >>= 1;
}
return line;
}
InputCommon::ButtonMapping Tas::GetButtonMappingForDevice(
const Common::ParamPackage& params) const {
// This list is missing ZL/ZR since those are not considered buttons.
// We will add those afterwards
// This list also excludes any button that can't be really mapped
static constexpr std::array<std::pair<Settings::NativeButton::Values, TasButton>, 20>
switch_to_tas_button = {
std::pair{Settings::NativeButton::A, TasButton::BUTTON_A},
{Settings::NativeButton::B, TasButton::BUTTON_B},
{Settings::NativeButton::X, TasButton::BUTTON_X},
{Settings::NativeButton::Y, TasButton::BUTTON_Y},
{Settings::NativeButton::LStick, TasButton::STICK_L},
{Settings::NativeButton::RStick, TasButton::STICK_R},
{Settings::NativeButton::L, TasButton::TRIGGER_L},
{Settings::NativeButton::R, TasButton::TRIGGER_R},
{Settings::NativeButton::Plus, TasButton::BUTTON_PLUS},
{Settings::NativeButton::Minus, TasButton::BUTTON_MINUS},
{Settings::NativeButton::DLeft, TasButton::BUTTON_LEFT},
{Settings::NativeButton::DUp, TasButton::BUTTON_UP},
{Settings::NativeButton::DRight, TasButton::BUTTON_RIGHT},
{Settings::NativeButton::DDown, TasButton::BUTTON_DOWN},
{Settings::NativeButton::SL, TasButton::BUTTON_SL},
{Settings::NativeButton::SR, TasButton::BUTTON_SR},
{Settings::NativeButton::Screenshot, TasButton::BUTTON_CAPTURE},
{Settings::NativeButton::Home, TasButton::BUTTON_HOME},
{Settings::NativeButton::ZL, TasButton::TRIGGER_ZL},
{Settings::NativeButton::ZR, TasButton::TRIGGER_ZR},
};
InputCommon::ButtonMapping mapping{};
for (const auto& [switch_button, tas_button] : switch_to_tas_button) {
Common::ParamPackage button_params({{"engine", "tas"}});
button_params.Set("pad", params.Get("pad", 0));
button_params.Set("button", static_cast<int>(tas_button));
mapping.insert_or_assign(switch_button, std::move(button_params));
}
return mapping;
}
InputCommon::AnalogMapping Tas::GetAnalogMappingForDevice(
const Common::ParamPackage& params) const {
InputCommon::AnalogMapping mapping = {};
Common::ParamPackage left_analog_params;
left_analog_params.Set("engine", "tas");
left_analog_params.Set("pad", params.Get("pad", 0));
left_analog_params.Set("axis_x", static_cast<int>(TasAxes::StickX));
left_analog_params.Set("axis_y", static_cast<int>(TasAxes::StickY));
mapping.insert_or_assign(Settings::NativeAnalog::LStick, std::move(left_analog_params));
Common::ParamPackage right_analog_params;
right_analog_params.Set("engine", "tas");
right_analog_params.Set("pad", params.Get("pad", 0));
right_analog_params.Set("axis_x", static_cast<int>(TasAxes::SubstickX));
right_analog_params.Set("axis_y", static_cast<int>(TasAxes::SubstickY));
mapping.insert_or_assign(Settings::NativeAnalog::RStick, std::move(right_analog_params));
return mapping;
}
const TasData& Tas::GetTasState(std::size_t pad) const {
return tas_data[pad];
}
} // namespace TasInput
