💿🐜 Antkeeper source code https://antkeeper.com
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/*
* Copyright (C) 2023 Christopher J. Howard
*
* This file is part of Antkeeper source code.
*
* Antkeeper source code is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Antkeeper source code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
*/
#include "input/action.hpp"
namespace input {
static bool default_threshold_function(float x) noexcept
{
return x > 0.0f;
}
action::action():
threshold_function(default_threshold_function),
active(false),
activated_event{this},
active_event{this, 0.0f},
deactivated_event{this}
{}
void action::set_threshold_function(const threshold_function_type& function)
{
threshold_function = function;
}
void action::evaluate(float value)
{
// Store activation state
const bool was_active = active;
// Re-evaluate activation state
active = threshold_function(value);
// Emit events
if (active)
{
if (!was_active)
{
activated_publisher.publish(activated_event);
}
active_event.input_value = value;
active_publisher.publish(active_event);
}
else
{
if (was_active)
{
deactivated_publisher.publish(deactivated_event);
}
}
}
void action::reset()
{
active = false;
}
} // namespace input