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