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tas_input: Use u8string_view instead of u8string 

Same behavior, but without the potential for extra allocations.
This commit is contained in:
Lioncash 2021-12-13 10:54:05 -05:00
parent 37a8e2a67e
commit 6be730bdcd
2 changed files with 7 additions and 6 deletions
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11
src/input_common/drivers/tas_input.cpp
View File

@ -121,16 +121,17 @@ void Tas::LoadTasFile(size_t player_index, size_t file_index) {
LOG_INFO(Input, "TAS file loaded! {} frames", frame_no);
}
void Tas::WriteTasFile(std::u8string file_name) {
void Tas::WriteTasFile(std::u8string_view 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);
const auto tas_file_name = Common::FS::GetYuzuPath(Common::FS::YuzuPath::TASDir) / file_name;
const auto bytes_written =
Common::FS::WriteStringToFile(tas_file_name, Common::FS::FileType::TextFile, output_text);
if (bytes_written == output_text.size()) {
LOG_INFO(Input, "TAS file written to file!");
} else {
@ -252,7 +253,7 @@ u64 Tas::ReadCommandButtons(const std::string& line) const {
}
std::string Tas::WriteCommandButtons(u64 buttons) const {
std::string returns = "";
std::string returns;
for (auto [text_button, tas_button] : text_to_tas_button) {
if ((buttons & static_cast<u64>(tas_button)) != 0) {
returns += fmt::format("{};", text_button);

2
src/input_common/drivers/tas_input.h
View File

@ -150,7 +150,7 @@ private:
* Writes a TAS file from the recorded commands
* @param file_name Name of the file to be written
*/
void WriteTasFile(std::u8string file_name);
void WriteTasFile(std::u8string_view file_name);
/**
* Parses a string containing the axis values. X and Y have a range from -32767 to 32767