From afa22dc6450a7f2341c432604d5e50735d6830c7 Mon Sep 17 00:00:00 2001 From: HampusM Date: Thu, 23 Jun 2022 20:16:07 +0200 Subject: perf: reduce cout flushing --- src/engine/engine.hpp | 2 +- src/engine/graphics/component_renderer.cpp | 9 +++--- src/engine/user/cursor.cpp | 44 +++++++++++++++++++++++------- src/engine/user/cursor.hpp | 11 ++++---- src/game/game.cpp | 30 +++++++++----------- src/interfaces/cursor.hpp | 15 ++++++---- src/interfaces/statusline.hpp | 1 - 7 files changed, 67 insertions(+), 45 deletions(-) (limited to 'src') diff --git a/src/engine/engine.hpp b/src/engine/engine.hpp index 28eb8fc..65d1a80 100644 --- a/src/engine/engine.hpp +++ b/src/engine/engine.hpp @@ -12,7 +12,7 @@ #include #include -constexpr auto MIN_TIME_SINCE_LAST_UPDATE_MILLIS = 20; +constexpr auto MIN_TIME_SINCE_LAST_UPDATE_MILLIS = 15; class CLIGameEngine : public ICLIGameEngine, public yacppdic::AutoWirable< diff --git a/src/engine/graphics/component_renderer.cpp b/src/engine/graphics/component_renderer.cpp index eb024bc..effe153 100644 --- a/src/engine/graphics/component_renderer.cpp +++ b/src/engine/graphics/component_renderer.cpp @@ -21,7 +21,7 @@ void ComponentRenderer::render( const auto previous_pos = _cursor_controller->where(); _cursor_controller->hide(); - _cursor_controller->move_to(position); + _cursor_controller->move_to(position, true); _use_component_colors(component); @@ -61,15 +61,14 @@ void ComponentRenderer::render( const auto current_pos = _cursor_controller->where(); _cursor_controller->move_to( - Vector2({.x = previous_pos.get_x(), .y = current_pos.get_y() - 1})); + Vector2({.x = previous_pos.get_x(), .y = current_pos.get_y() - 1}), + true); } fmt::print(RESET_ALL_MODES, fmt::arg("esc", ESC)); - std::cout.flush(); - _cursor_controller->move_to(previous_pos); - _cursor_controller->show(); + _cursor_controller->show(true); } void ComponentRenderer::_use_component_colors( diff --git a/src/engine/user/cursor.cpp b/src/engine/user/cursor.cpp index 963531f..b38cee0 100644 --- a/src/engine/user/cursor.cpp +++ b/src/engine/user/cursor.cpp @@ -10,7 +10,10 @@ CursorController::CursorController() noexcept { } -void CursorController::move(const Vector2 &direction, const uint32_t &amount) noexcept +void CursorController::move( + const Vector2 &direction, + const uint32_t &amount, + bool flush_cout) noexcept { auto direction_format = direction_format_map.at(direction); @@ -18,12 +21,16 @@ void CursorController::move(const Vector2 &direction, const uint32_t &amount) no fmt::runtime(direction_format.data()), fmt::arg("esc", ESC), fmt::arg("amount", amount)); - std::cout.flush(); + + if (flush_cout) + { + std::cout.flush(); + } _position = _position.to_direction(direction, static_cast(amount)); } -void CursorController::move_to(const Vector2 &position) noexcept +void CursorController::move_to(const Vector2 &position, bool flush_cout) noexcept { const auto inverted_pos = _invert_position_y(position); @@ -32,7 +39,11 @@ void CursorController::move_to(const Vector2 &position) noexcept fmt::arg("esc", ESC), fmt::arg("row", inverted_pos.get_y()), fmt::arg("column", inverted_pos.get_x() + 1)); - std::cout.flush(); + + if (flush_cout) + { + std::cout.flush(); + } _position = position; } @@ -60,26 +71,39 @@ void CursorController::update_position(const Vector2 &position) noexcept _position = position; } -void CursorController::hide() noexcept +void CursorController::hide(bool flush_cout) noexcept { fmt::print(CURSOR_INVISIBLE, fmt::arg("esc", ESC)); - std::cout.flush(); + + if (flush_cout) + { + std::cout.flush(); + } } -void CursorController::show() noexcept +void CursorController::show(bool flush_cout) noexcept { fmt::print(CURSOR_VISIBLE, fmt::arg("esc", ESC)); - std::cout.flush(); + + if (flush_cout) + { + std::cout.flush(); + } } -void CursorController::set_cursor_style(CursorStyle cursor_style) noexcept +void CursorController::set_cursor_style( + CursorStyle cursor_style, + bool flush_cout) noexcept { fmt::print( SET_CURSOR_STYLE, fmt::arg("esc", ESC), fmt::arg("style", static_cast(cursor_style))); - std::cout.flush(); + if (flush_cout) + { + std::cout.flush(); + } } void CursorController::set_bounds(const Bounds &bounds) noexcept diff --git a/src/engine/user/cursor.hpp b/src/engine/user/cursor.hpp index ace47ee..16d37e3 100644 --- a/src/engine/user/cursor.hpp +++ b/src/engine/user/cursor.hpp @@ -39,9 +39,10 @@ class CursorController : public ICursorController, public: CursorController() noexcept; - void move(const Vector2 &direction, const uint32_t &amount) noexcept override; + void move(const Vector2 &direction, const uint32_t &amount, bool flush_cout) noexcept + override; - void move_to(const Vector2 &position) noexcept override; + void move_to(const Vector2 &position, bool flush_cout) noexcept override; [[nodiscard]] auto where() const noexcept -> Vector2 override; @@ -49,11 +50,11 @@ public: void update_position(const Vector2 &position) noexcept override; - void hide() noexcept override; + void hide(bool flush_cout) noexcept override; - void show() noexcept override; + void show(bool flush_cout) noexcept override; - void set_cursor_style(CursorStyle cursor_style) noexcept override; + void set_cursor_style(CursorStyle cursor_style, bool flush_cout) noexcept override; void set_bounds(const Bounds &bounds) noexcept override; diff --git a/src/game/game.cpp b/src/game/game.cpp index fd53841..055fcd6 100644 --- a/src/game/game.cpp +++ b/src/game/game.cpp @@ -275,13 +275,12 @@ void Game::_on_normal_mode_update() noexcept _erase_entire_line(); - std::cout << ":"; - std::cout.flush(); + std::cout.put(':'); _cursor_controller->update_position( _cursor_controller->where() + Vector2::right()); - _cursor_controller->set_cursor_style(_command_mode_cursor_style); + _cursor_controller->set_cursor_style(_command_mode_cursor_style, true); _command_mode_input = ""; @@ -466,7 +465,7 @@ void Game::_on_command_mode_update() noexcept _command_mode_input.erase(input_pos_x - 1U, 1U); - _cursor_controller->move(Vector2::left(), 1U); + _cursor_controller->move(Vector2::left(), 1U, true); std::cout.put(' '); std::cout.flush(); @@ -474,15 +473,14 @@ void Game::_on_command_mode_update() noexcept _cursor_controller->update_position( _cursor_controller->where() + Vector2::right()); - _cursor_controller->move(Vector2::left(), 1U); + _cursor_controller->move(Vector2::left(), 1U, true); _erase_line_from_cursor(); - std::cout << _command_mode_input.substr(input_pos_x - 1U); - std::cout.flush(); + fmt::print("{}", _command_mode_input.substr(input_pos_x - 1U)); _cursor_controller->move_to(position); - _cursor_controller->move(Vector2::left(), 1U); + _cursor_controller->move(Vector2::left(), 1U, true); break; } @@ -490,7 +488,7 @@ void Game::_on_command_mode_update() noexcept case keycodes::LEFT_ARROW: if (_cursor_controller->where().get_x() >= 2) { - _cursor_controller->move(Vector2::left(), 1U); + _cursor_controller->move(Vector2::left(), 1U, true); } break; @@ -498,7 +496,7 @@ void Game::_on_command_mode_update() noexcept if (static_cast(_cursor_controller->where().get_x()) - 1U < _command_mode_input.size()) { - _cursor_controller->move(Vector2::right(), 1U); + _cursor_controller->move(Vector2::right(), 1U, true); } break; @@ -518,16 +516,15 @@ void Game::_on_command_mode_update() noexcept _erase_line_from_cursor(); - std::cout << pressed_key << _command_mode_input.substr(input_pos_x + 1U); - std::cout.flush(); + fmt::print("{}{}", pressed_key, _command_mode_input.substr(input_pos_x + 1)); - _cursor_controller->move_to(position + Vector2::right()); + _cursor_controller->move_to(position + Vector2::right(), true); break; } _command_mode_input += pressed_key; - std::cout << pressed_key; + std::cout.put(pressed_key); std::cout.flush(); _cursor_controller->update_position( @@ -626,14 +623,13 @@ void Game::_set_space( { const auto prev_position = _cursor_controller->where(); - _cursor_controller->move_to(position); + _cursor_controller->move_to(position, true); std::cout.put(character); - std::cout.flush(); matrix->set(position, character); - _cursor_controller->move_to(prev_position); + _cursor_controller->move_to(prev_position, true); } void Game::_erase_entire_line() noexcept diff --git a/src/interfaces/cursor.hpp b/src/interfaces/cursor.hpp index b09f06f..35c3047 100644 --- a/src/interfaces/cursor.hpp +++ b/src/interfaces/cursor.hpp @@ -22,10 +22,12 @@ class ICursorController public: virtual ~ICursorController() noexcept = default; - virtual void move(const Vector2 &direction, const uint32_t &amount) noexcept = 0; + virtual void move( + const Vector2 &direction, + const uint32_t &amount, + bool flush_cout = false) noexcept = 0; - // NOLINTNEXTLINE(google-default-arguments) - virtual void move_to(const Vector2 &position) noexcept = 0; + virtual void move_to(const Vector2 &position, bool flush_cout = false) noexcept = 0; [[nodiscard]] virtual auto where() const noexcept -> Vector2 = 0; @@ -38,11 +40,12 @@ public: */ virtual void update_position(const Vector2 &position) noexcept = 0; - virtual void hide() noexcept = 0; + virtual void hide(bool flush_cout = false) noexcept = 0; - virtual void show() noexcept = 0; + virtual void show(bool flush_cout = false) noexcept = 0; - virtual void set_cursor_style(CursorStyle cursor_style) noexcept = 0; + virtual void + set_cursor_style(CursorStyle cursor_style, bool flush_cout = false) noexcept = 0; virtual void set_bounds(const Bounds &bounds) noexcept = 0; }; diff --git a/src/interfaces/statusline.hpp b/src/interfaces/statusline.hpp index 0634d2e..ff6e1a9 100644 --- a/src/interfaces/statusline.hpp +++ b/src/interfaces/statusline.hpp @@ -27,7 +27,6 @@ enum StatusLineSection class IStatusLine : public IComponent { public: - // NOLINTNEXTLINE(google-default-arguments) virtual void set_section_status( StatusLineSection section, const std::string_view &status, -- cgit v1.2.3-18-g5258