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#include "scene.hpp"
#include <cstdint>
#include <fmt/core.h>
#include <iostream>
#include <sys/ioctl.h>
#include <unistd.h>
#include "engine/escape.hpp"
#include "engine/io/terminal.hpp"
class IComponent;
Scene::Scene(const IMatrixFactory<MatrixElement> &matrix_factory) noexcept
: _matrix(matrix_factory(size())), _is_shown(false)
{
_matrix->fill(' ');
}
void Scene::enter() noexcept
{
if (_is_shown)
{
return;
}
// Enable alternative buffer
fmt::print(ENABLE_ALT_BUFFER, fmt::arg("esc", ESC));
std::cout.flush();
_original_terminal_state = get_terminal_state(STDIN_FILENO);
auto new_terminal_state = TerminalState(_original_terminal_state);
new_terminal_state.set_local_mode_flag(TerminalLocalModeFlag::echo, false);
new_terminal_state.set_local_mode_flag(TerminalLocalModeFlag::icanon, false);
new_terminal_state.set_local_mode_flag(TerminalLocalModeFlag::isig, false);
set_terminal_state(STDIN_FILENO, new_terminal_state);
_is_shown = true;
}
void Scene::leave() noexcept
{
if (!_is_shown)
{
return;
}
// Disable alternative buffer
fmt::print(DISABLE_ALT_BUFFER, fmt::arg("esc", ESC));
std::cout.flush();
set_terminal_state(STDIN_FILENO, _original_terminal_state);
_original_terminal_state = {};
_is_shown = false;
}
auto Scene::size() const noexcept -> Bounds
{
winsize window_size = {};
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
ioctl(0, TIOCGWINSZ, &window_size);
return Bounds({window_size.ws_col, window_size.ws_row});
}
auto Scene::get_matrix() const noexcept -> const std::shared_ptr<IMatrix<MatrixElement>> &
{
return _matrix;
}
void Scene::register_component(
const std::shared_ptr<IComponent> &component,
const Vector2 &position) noexcept
{
_components.emplace_back(std::make_pair(component, position));
}
auto Scene::get_components() const noexcept
-> std::vector<std::pair<std::shared_ptr<IComponent>, Vector2>>
{
return _components;
}
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