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Diffstat (limited to 'src/input_common/drivers/tas_input.h')
| -rw-r--r-- | src/input_common/drivers/tas_input.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/input_common/drivers/tas_input.h b/src/input_common/drivers/tas_input.h new file mode 100644 index 000000000..c95a130fc --- /dev/null +++ b/src/input_common/drivers/tas_input.h @@ -0,0 +1,194 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <array> + +#include "common/common_types.h" +#include "common/settings_input.h" +#include "input_common/input_engine.h" +#include "input_common/main.h" + +/* +To play back TAS scripts on Yuzu, select the folder with scripts in the configuration menu below +Tools -> Configure TAS. The file itself has normal text format and has to be called script0-1.txt +for controller 1, script0-2.txt for controller 2 and so forth (with max. 8 players). + +A script file has the same format as TAS-nx uses, so final files will look like this: + +1 KEY_B 0;0 0;0 +6 KEY_ZL 0;0 0;0 +41 KEY_ZL;KEY_Y 0;0 0;0 +43 KEY_X;KEY_A 32767;0 0;0 +44 KEY_A 32767;0 0;0 +45 KEY_A 32767;0 0;0 +46 KEY_A 32767;0 0;0 +47 KEY_A 32767;0 0;0 + +After placing the file at the correct location, it can be read into Yuzu with the (default) hotkey +CTRL+F6 (refresh). In the bottom left corner, it will display the amount of frames the script file +has. Playback can be started or stopped using CTRL+F5. + +However, for playback to actually work, the correct input device has to be selected: In the Controls +menu, select TAS from the device list for the controller that the script should be played on. + +Recording a new script file is really simple: Just make sure that the proper device (not TAS) is +connected on P1, and press CTRL+F7 to start recording. When done, just press the same keystroke +again (CTRL+F7). The new script will be saved at the location previously selected, as the filename +record.txt. + +For debugging purposes, the common controller debugger can be used (View -> Debugging -> Controller +P1). +*/ + +namespace InputCommon::TasInput { + +constexpr size_t PLAYER_NUMBER = 10; + +enum class TasButton : u64 { + BUTTON_A = 1U << 0, + BUTTON_B = 1U << 1, + BUTTON_X = 1U << 2, + BUTTON_Y = 1U << 3, + STICK_L = 1U << 4, + STICK_R = 1U << 5, + TRIGGER_L = 1U << 6, + TRIGGER_R = 1U << 7, + TRIGGER_ZL = 1U << 8, + TRIGGER_ZR = 1U << 9, + BUTTON_PLUS = 1U << 10, + BUTTON_MINUS = 1U << 11, + BUTTON_LEFT = 1U << 12, + BUTTON_UP = 1U << 13, + BUTTON_RIGHT = 1U << 14, + BUTTON_DOWN = 1U << 15, + BUTTON_SL = 1U << 16, + BUTTON_SR = 1U << 17, + BUTTON_HOME = 1U << 18, + BUTTON_CAPTURE = 1U << 19, +}; + +struct TasAnalog { + float x{}; + float y{}; +}; + +enum class TasState { + Running, + Recording, + Stopped, +}; + +class Tas final : public InputCommon::InputEngine { +public: + explicit Tas(const std::string& input_engine_); + ~Tas(); + + /** + * Changes the input status that will be stored in each frame + * @param buttons: bitfield with the status of the buttons + * @param left_axis: value of the left axis + * @param right_axis: value of the right axis + */ + void RecordInput(u64 buttons, TasAnalog left_axis, TasAnalog right_axis); + + // Main loop that records or executes input + void UpdateThread(); + + // Sets the flag to start or stop the TAS command excecution and swaps controllers profiles + void StartStop(); + + // Stop the TAS and reverts any controller profile + void Stop(); + + // Sets the flag to reload the file and start from the begining in the next update + void Reset(); + + /** + * Sets the flag to enable or disable recording of inputs + * @return Returns true if the current recording status is enabled + */ + bool Record(); + + /** + * Saves contents of record_commands on a file + * @param overwrite_file: Indicates if player 1 should be overwritten + */ + void SaveRecording(bool overwrite_file); + + /** + * Returns the current status values of TAS playback/recording + * @return Tuple of + * TasState indicating the current state out of Running ; + * Current playback progress ; + * Total length of script file currently loaded or being recorded + */ + std::tuple<TasState, size_t, size_t> GetStatus() const; + +private: + struct TASCommand { + u64 buttons{}; + TasAnalog l_axis{}; + TasAnalog r_axis{}; + }; + + /// Loads TAS files from all players + void LoadTasFiles(); + + /** Loads TAS file from the specified player + * @param player_index: player number to save the script + * @param file_index: script number of the file + */ + void LoadTasFile(size_t player_index, size_t file_index); + + /** Writes a TAS file from the recorded commands + * @param file_name: name of the file to be written + */ + void WriteTasFile(std::u8string file_name); + + /** + * Parses a string containing the axis values. X and Y have a range from -32767 to 32767 + * @param line: string containing axis values with the following format "x;y" + * @return Returns a TAS analog object with axis values with range from -1.0 to 1.0 + */ + TasAnalog ReadCommandAxis(const std::string& line) const; + + /** + * Parses a string containing the button values. Each button is represented by it's text format + * specified in text_to_tas_button array + * @param line: string containing button name with the following format "a;b;c;d..." + * @return Returns a u64 with each bit representing the status of a button + */ + u64 ReadCommandButtons(const std::string& line) const; + + /** + * Reset state of all players + */ + void ClearInput(); + + /** + * Converts an u64 containing the button status into the text equivalent + * @param buttons: bitfield with the status of the buttons + * @return Returns a string with the name of the buttons to be written to the file + */ + std::string WriteCommandButtons(u64 buttons) const; + + /** + * Converts an TAS analog object containing the axis status into the text equivalent + * @param data: value of the axis + * @return A string with the value of the axis to be written to the file + */ + std::string WriteCommandAxis(TasAnalog data) const; + + size_t script_length{0}; + bool is_recording{false}; + bool is_running{false}; + bool needs_reset{false}; + std::array<std::vector<TASCommand>, PLAYER_NUMBER> commands{}; + std::vector<TASCommand> record_commands{}; + size_t current_command{0}; + TASCommand last_input{}; // only used for recording +}; +} // namespace InputCommon::TasInput |