From 395e9a449d338e56ade9ea88ffeed297a7d86b10 Mon Sep 17 00:00:00 2001
From: german77 <juangerman-13@hotmail.com>
Date: Mon, 20 Sep 2021 17:22:07 -0500
Subject: input_common: Rewrite gc_adapter
---
src/input_common/drivers/tas_input.cpp | 320 +++++++++++++++++++++++++++++++++
1 file changed, 320 insertions(+)
create mode 100644 src/input_common/drivers/tas_input.cpp
(limited to 'src/input_common/drivers/tas_input.cpp')
diff --git a/src/input_common/drivers/tas_input.cpp b/src/input_common/drivers/tas_input.cpp
new file mode 100644
index 0000000000..5e2101b27d
--- /dev/null
+++ b/src/input_common/drivers/tas_input.cpp
@@ -0,0 +1,320 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <cstring>
+#include <regex>
+#include <fmt/format.h>
+
+#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/drivers/tas_input.h"
+
+namespace InputCommon::TasInput {
+
+enum TasAxes : u8 {
+ StickX,
+ StickY,
+ SubstickX,
+ SubstickY,
+ Undefined,
+};
+
+// Supported keywords and buttons from a TAS file
+constexpr std::array<std::pair<std::string_view, TasButton>, 20> text_to_tas_button = {
+ std::pair{"KEY_A", TasButton::BUTTON_A},
+ {"KEY_B", TasButton::BUTTON_B},
+ {"KEY_X", TasButton::BUTTON_X},
+ {"KEY_Y", TasButton::BUTTON_Y},
+ {"KEY_LSTICK", TasButton::STICK_L},
+ {"KEY_RSTICK", TasButton::STICK_R},
+ {"KEY_L", TasButton::TRIGGER_L},
+ {"KEY_R", TasButton::TRIGGER_R},
+ {"KEY_PLUS", TasButton::BUTTON_PLUS},
+ {"KEY_MINUS", TasButton::BUTTON_MINUS},
+ {"KEY_DLEFT", TasButton::BUTTON_LEFT},
+ {"KEY_DUP", TasButton::BUTTON_UP},
+ {"KEY_DRIGHT", TasButton::BUTTON_RIGHT},
+ {"KEY_DDOWN", TasButton::BUTTON_DOWN},
+ {"KEY_SL", TasButton::BUTTON_SL},
+ {"KEY_SR", TasButton::BUTTON_SR},
+ {"KEY_CAPTURE", TasButton::BUTTON_CAPTURE},
+ {"KEY_HOME", TasButton::BUTTON_HOME},
+ {"KEY_ZL", TasButton::TRIGGER_ZL},
+ {"KEY_ZR", TasButton::TRIGGER_ZR},
+};
+
+Tas::Tas(const std::string input_engine_) : InputCommon::InputEngine(input_engine_) {
+ for (size_t player_index = 0; player_index < PLAYER_NUMBER; player_index++) {
+ PadIdentifier identifier{
+ .guid = Common::UUID{},
+ .port = player_index,
+ .pad = 0,
+ };
+ PreSetController(identifier);
+ }
+ ClearInput();
+ if (!Settings::values.tas_enable) {
+ needs_reset = true;
+ return;
+ }
+ LoadTasFiles();
+}
+
+Tas::~Tas() {
+ Stop();
+};
+
+void Tas::LoadTasFiles() {
+ script_length = 0;
+ for (size_t i = 0; i < commands.size(); i++) {
+ LoadTasFile(i);
+ if (commands[i].size() > script_length) {
+ script_length = commands[i].size();
+ }
+ }
+}
+
+void Tas::LoadTasFile(size_t player_index) {
+ if (!commands[player_index].empty()) {
+ commands[player_index].clear();
+ }
+ std::string file =
+ Common::FS::ReadStringFromFile(Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) /
+ fmt::format("script0-{}.txt", player_index + 1),
+ Common::FS::FileType::BinaryFile);
+ std::stringstream command_line(file);
+ std::string line;
+ int frame_no = 0;
+ while (std::getline(command_line, line, '\n')) {
+ if (line.empty()) {
+ continue;
+ }
+ 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 (frame_no < std::stoi(seglist.at(0))) {
+ commands[player_index].push_back({});
+ frame_no++;
+ }
+
+ TASCommand command = {
+ .buttons = ReadCommandButtons(seglist.at(1)),
+ .l_axis = ReadCommandAxis(seglist.at(2)),
+ .r_axis = ReadCommandAxis(seglist.at(3)),
+ };
+ commands[player_index].push_back(command);
+ frame_no++;
+ }
+ LOG_INFO(Input, "TAS file loaded! {} frames", frame_no);
+}
+
+void Tas::WriteTasFile(std::u8string file_name) {
+ std::string output_text;
+ for (size_t frame = 0; frame < record_commands.size(); frame++) {
+ const TASCommand& line = record_commands[frame];
+ output_text += fmt::format("{} {} {} {} {}\n", frame, WriteCommandButtons(line.buttons),
+ WriteCommandAxis(line.l_axis), WriteCommandAxis(line.r_axis));
+ }
+ const auto bytes_written = Common::FS::WriteStringToFile(
+ Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) / file_name,
+ Common::FS::FileType::TextFile, output_text);
+ if (bytes_written == output_text.size()) {
+ LOG_INFO(Input, "TAS file written to file!");
+ } else {
+ LOG_ERROR(Input, "Writing the TAS-file has failed! {} / {} bytes written", bytes_written,
+ output_text.size());
+ }
+}
+
+void Tas::RecordInput(u32 buttons, TasAnalog left_axis, TasAnalog right_axis) {
+ last_input = {
+ .buttons = buttons,
+ .l_axis = FlipAxisY(left_axis),
+ .r_axis = FlipAxisY(right_axis),
+ };
+}
+
+TasAnalog Tas::FlipAxisY(TasAnalog old) {
+ return {
+ .x = old.x,
+ .y = -old.y,
+ };
+}
+
+std::tuple<TasState, size_t, size_t> Tas::GetStatus() const {
+ TasState state;
+ if (is_recording) {
+ return {TasState::Recording, 0, record_commands.size()};
+ }
+
+ if (is_running) {
+ state = TasState::Running;
+ } else {
+ state = TasState::Stopped;
+ }
+
+ return {state, current_command, script_length};
+}
+
+void Tas::UpdateThread() {
+ if (!Settings::values.tas_enable) {
+ if (is_running) {
+ Stop();
+ }
+ return;
+ }
+
+ if (is_recording) {
+ record_commands.push_back(last_input);
+ }
+ if (needs_reset) {
+ current_command = 0;
+ needs_reset = false;
+ LoadTasFiles();
+ LOG_DEBUG(Input, "tas_reset done");
+ }
+
+ if (!is_running) {
+ ClearInput();
+ return;
+ }
+ if (current_command < script_length) {
+ LOG_DEBUG(Input, "Playing TAS {}/{}", current_command, script_length);
+ size_t frame = current_command++;
+ for (size_t player_index = 0; player_index < commands.size(); player_index++) {
+ TASCommand command{};
+ if (frame < commands[player_index].size()) {
+ command = commands[player_index][frame];
+ }
+
+ PadIdentifier identifier{
+ .guid = Common::UUID{},
+ .port = player_index,
+ .pad = 0,
+ };
+ for (std::size_t i = 0; i < sizeof(command.buttons); ++i) {
+ const bool button_status = (command.buttons & (1U << i)) != 0;
+ const int button = static_cast<int>(i);
+ SetButton(identifier, button, button_status);
+ }
+ SetAxis(identifier, TasAxes::StickX, command.l_axis.x);
+ SetAxis(identifier, TasAxes::StickY, command.l_axis.y);
+ SetAxis(identifier, TasAxes::SubstickX, command.r_axis.x);
+ SetAxis(identifier, TasAxes::SubstickY, command.r_axis.y);
+ }
+ } else {
+ is_running = Settings::values.tas_loop.GetValue();
+ current_command = 0;
+ ClearInput();
+ }
+}
+
+void Tas::ClearInput() {
+ ResetButtonState();
+ ResetAnalogState();
+}
+
+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)) / 32767.0f;
+ const float y = std::stof(seglist.at(1)) / 32767.0f;
+
+ 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::WriteCommandButtons(u32 buttons) const {
+ std::string returns = "";
+ for (auto [text_button, tas_button] : text_to_tas_button) {
+ if ((buttons & static_cast<u32>(tas_button)) != 0)
+ returns += fmt::format("{};", text_button.substr(4));
+ }
+ return returns.empty() ? "NONE" : returns.substr(2);
+}
+
+std::string Tas::WriteCommandAxis(TasAnalog analog) const {
+ return fmt::format("{};{}", analog.x * 32767, analog.y * 32767);
+}
+
+void Tas::StartStop() {
+ if (!Settings::values.tas_enable) {
+ return;
+ }
+ if (is_running) {
+ Stop();
+ } else {
+ is_running = true;
+ }
+}
+
+void Tas::Stop() {
+ is_running = false;
+}
+
+void Tas::Reset() {
+ if (!Settings::values.tas_enable) {
+ return;
+ }
+ needs_reset = true;
+}
+
+bool Tas::Record() {
+ if (!Settings::values.tas_enable) {
+ return true;
+ }
+ is_recording = !is_recording;
+ return is_recording;
+}
+
+void Tas::SaveRecording(bool overwrite_file) {
+ if (is_recording) {
+ return;
+ }
+ if (record_commands.empty()) {
+ return;
+ }
+ WriteTasFile(u8"record.txt");
+ if (overwrite_file) {
+ WriteTasFile(u8"script0-1.txt");
+ }
+ needs_reset = true;
+ record_commands.clear();
+}
+
+} // namespace InputCommon::TasInput
--
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