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input_common/tas: Document the main class

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german77 2021-07-05 20:58:52 -05:00 • committed by MonsterDruide1
parent e6c4bf52f0
commit 33a1d790e8
8 changed files with 153 additions and 51 deletions
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108
src/input_common/tas/tas_input.h
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@ -11,6 +11,38 @@
#include "core/frontend/input.h"
#include "input_common/main.h"
/*
To play back TAS scripts on Yuzu, select the folder with scripts in the configuration menu below
Emulation -> 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 TasInput {
constexpr size_t PLAYER_NUMBER = 8;
@ -64,12 +96,26 @@ public:
Tas();
~Tas();
// Changes the input status that will be stored in each frame
void RecordInput(u32 buttons, const std::array<std::pair<float, float>, 2>& axes);
// 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();
// 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 if overwrite is enabled player 1 will be
// overwritten with the recorded commands
void SaveRecording(bool overwrite_file);
/**
@ -80,7 +126,11 @@ public:
* Total length of script file currently loaded or amount of frames (so far) for Recording
*/
std::tuple<TasState, size_t, size_t> GetStatus() const;
// Retuns an array of the default button mappings
InputCommon::ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage& params) const;
// Retuns an array of the default analog mappings
InputCommon::AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage& params) const;
[[nodiscard]] const TasData& GetTasState(std::size_t pad) const;
@ -90,23 +140,81 @@ private:
TasAnalog l_axis{};
TasAnalog r_axis{};
};
// Loads TAS files from all players
void LoadTasFiles();
// Loads TAS file from the specified player
void LoadTasFile(size_t player_index);
// Writes a TAS file from the recorded commands
void WriteTasFile(std::u8string file_name);
/**
* Parses a string containing the axis values with the following format "x;y"
* X and Y have a range from -32767 to 32767
* @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 with the following format "a;b;c;d..."
* Each button is represented by it's text format specified in text_to_tas_button array
* @return Returns a u32 with each bit representing the status of a button
*/
u32 ReadCommandButtons(const std::string& line) const;
/**
* Converts an u32 containing the button status into the text equivalent
* @return Returns a string with the name of the buttons to be written to the file
*/
std::string WriteCommandButtons(u32 data) const;
/**
* Converts an TAS analog object containing the axis status into the text equivalent
* @return Returns a string with the value of the axis to be written to the file
*/
std::string WriteCommandAxis(TasAnalog data) const;
// Inverts the Y axis polarity
std::pair<float, float> FlipAxisY(std::pair<float, float> old);
/**
* Converts an u32 containing the button status into the text equivalent
* @return Returns a string with the name of the buttons to be printed on console
*/
std::string DebugButtons(u32 buttons) const;
/**
* Converts an TAS analog object containing the axis status into the text equivalent
* @return Returns a string with the value of the axis to be printed on console
*/
std::string DebugJoystick(float x, float y) const;
/**
* Converts the given TAS status into the text equivalent
* @return Returns a string with the value of the TAS status to be printed on console
*/
std::string DebugInput(const TasData& data) const;
/**
* Converts the given TAS status of multiple players into the text equivalent
* @return Returns a string with the value of the status of all TAS players to be printed on
* console
*/
std::string DebugInputs(const std::array<TasData, PLAYER_NUMBER>& arr) const;
/**
* Converts an u32 containing the button status into the text equivalent
* @return Returns a string with the name of the buttons
*/
std::string ButtonsToString(u32 button) const;
// Stores current controller configuration and sets a TAS controller for every active controller
// to the current config
void SwapToTasController();
// Sets the stored controller configuration to the current config
void SwapToStoredController();
size_t script_length{0};