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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/control-map.hpp"
- #include <algorithm>
- #include <cmath>
- #include <type_traits>
- #include <utility>
-
- namespace input {
-
- void control_map::connect(::event::queue& queue)
- {
- subscriptions.emplace_back(queue.subscribe<gamepad_axis_moved_event>(std::bind_front(&control_map::handle_gamepad_axis_moved, this)));
- subscriptions.emplace_back(queue.subscribe<gamepad_button_pressed_event>(std::bind_front(&control_map::handle_gamepad_button_pressed, this)));
- subscriptions.emplace_back(queue.subscribe<gamepad_button_released_event>(std::bind_front(&control_map::handle_gamepad_button_released, this)));
- subscriptions.emplace_back(queue.subscribe<key_pressed_event>(std::bind_front(&control_map::handle_key_pressed, this)));
- subscriptions.emplace_back(queue.subscribe<key_released_event>(std::bind_front(&control_map::handle_key_released, this)));
- subscriptions.emplace_back(queue.subscribe<mouse_button_pressed_event>(std::bind_front(&control_map::handle_mouse_button_pressed, this)));
- subscriptions.emplace_back(queue.subscribe<mouse_button_released_event>(std::bind_front(&control_map::handle_mouse_button_released, this)));
- subscriptions.emplace_back(queue.subscribe<mouse_moved_event>(std::bind_front(&control_map::handle_mouse_moved, this)));
- subscriptions.emplace_back(queue.subscribe<mouse_scrolled_event>(std::bind_front(&control_map::handle_mouse_scrolled, this)));
- }
-
- void control_map::disconnect()
- {
- subscriptions.clear();
- }
-
- void control_map::add_mapping(control& control, const mapping& mapping)
- {
- switch (mapping.get_mapping_type())
- {
- case mapping_type::gamepad_axis:
- add_mapping(control, static_cast<const gamepad_axis_mapping&>(mapping));
- break;
-
- case mapping_type::gamepad_button:
- add_mapping(control, static_cast<const gamepad_button_mapping&>(mapping));
- break;
-
- case mapping_type::key:
- add_mapping(control, static_cast<const key_mapping&>(mapping));
- break;
-
- case mapping_type::mouse_button:
- add_mapping(control, static_cast<const mouse_button_mapping&>(mapping));
- break;
-
- case mapping_type::mouse_motion:
- add_mapping(control, static_cast<const mouse_motion_mapping&>(mapping));
- break;
-
- case mapping_type::mouse_scroll:
- add_mapping(control, static_cast<const mouse_scroll_mapping&>(mapping));
- break;
-
- default:
- //std::unreachable();
- break;
- }
- }
-
- void control_map::add_mapping(control& control, gamepad_axis_mapping&& mapping)
- {
- gamepad_axis_mappings.emplace_back(&control, mapping);
- }
-
- void control_map::add_mapping(control& control, gamepad_button_mapping&& mapping)
- {
- gamepad_button_mappings.emplace_back(&control, mapping);
- }
-
- void control_map::add_mapping(control& control, key_mapping&& mapping)
- {
- key_mappings.emplace_back(&control, mapping);
- }
-
- void control_map::add_mapping(control& control, mouse_button_mapping&& mapping)
- {
- mouse_button_mappings.emplace_back(&control, mapping);
- }
-
- void control_map::add_mapping(control& control, mouse_motion_mapping&& mapping)
- {
- mouse_motion_mappings.emplace_back(&control, mapping);
- }
-
- void control_map::add_mapping(control& control, mouse_scroll_mapping&& mapping)
- {
- mouse_scroll_mappings.emplace_back(&control, mapping);
- }
-
- void control_map::remove_mappings(control& control, mapping_type type)
- {
- auto predicate = [&](const auto& tuple) -> bool
- {
- return std::get<0>(tuple) == &control;
- };
-
- switch (type)
- {
- case mapping_type::gamepad_axis:
- std::erase_if(gamepad_axis_mappings, predicate);
- break;
-
- case mapping_type::gamepad_button:
- std::erase_if(gamepad_button_mappings, predicate);
- break;
-
- case mapping_type::key:
- std::erase_if(key_mappings, predicate);
- break;
-
- case mapping_type::mouse_button:
- std::erase_if(mouse_button_mappings, predicate);
- break;
-
- case mapping_type::mouse_motion:
- std::erase_if(mouse_motion_mappings, predicate);
- break;
-
- case mapping_type::mouse_scroll:
- std::erase_if(mouse_scroll_mappings, predicate);
- break;
-
- default:
- //std::unreachable();
- break;
- }
- }
-
- void control_map::remove_mappings(control& control)
- {
- auto predicate = [&](const auto& tuple) -> bool
- {
- return std::get<0>(tuple) == &control;
- };
-
- std::erase_if(gamepad_axis_mappings, predicate);
- std::erase_if(gamepad_button_mappings, predicate);
- std::erase_if(key_mappings, predicate);
- std::erase_if(mouse_button_mappings, predicate);
- std::erase_if(mouse_motion_mappings, predicate);
- std::erase_if(mouse_scroll_mappings, predicate);
- }
-
- void control_map::remove_mappings()
- {
- gamepad_axis_mappings.clear();
- gamepad_button_mappings.clear();
- key_mappings.clear();
- mouse_button_mappings.clear();
- mouse_motion_mappings.clear();
- mouse_scroll_mappings.clear();
- }
-
- void control_map::handle_gamepad_axis_moved(const gamepad_axis_moved_event& event)
- {
- for (const auto& [control, mapping]: gamepad_axis_mappings)
- {
- if (mapping.axis == event.axis &&
- (!mapping.gamepad || mapping.gamepad == event.gamepad))
- {
- if (std::signbit(event.position) == mapping.direction)
- {
- control->evaluate(std::abs(event.position));
- }
- else
- {
- control->evaluate(0.0f);
- }
- }
- }
- }
-
- void control_map::handle_gamepad_button_pressed(const gamepad_button_pressed_event& event)
- {
- for (const auto& [control, mapping]: gamepad_button_mappings)
- {
- if (mapping.button == event.button &&
- (!mapping.gamepad || mapping.gamepad == event.gamepad))
- {
- control->evaluate(1.0f);
- }
- }
- }
-
- void control_map::handle_gamepad_button_released(const gamepad_button_released_event& event)
- {
- for (const auto& [control, mapping]: gamepad_button_mappings)
- {
- if (mapping.button == event.button &&
- (!mapping.gamepad || mapping.gamepad == event.gamepad))
- {
- control->evaluate(0.0f);
- }
- }
- }
-
- void control_map::handle_key_pressed(const key_pressed_event& event)
- {
- for (const auto& [control, mapping]: key_mappings)
- {
- if (mapping.scancode == event.scancode &&
- (!mapping.keyboard || mapping.keyboard == event.keyboard))
- {
- control->evaluate(1.0f);
- }
- }
- }
-
- void control_map::handle_key_released(const key_released_event& event)
- {
- for (const auto& [control, mapping]: key_mappings)
- {
- if (mapping.scancode == event.scancode &&
- (!mapping.keyboard || mapping.keyboard == event.keyboard))
- {
- control->evaluate(0.0f);
- }
- }
- }
-
- void control_map::handle_mouse_moved(const mouse_moved_event& event)
- {
- for (const auto& [control, mapping]: mouse_motion_mappings)
- {
- if (!mapping.mouse || mapping.mouse == event.mouse)
- {
- const float difference = static_cast<float>(event.difference[static_cast<std::underlying_type_t<mouse_motion_axis>>(mapping.axis)]);
-
- if (difference && std::signbit(difference) == mapping.direction)
- {
- control->evaluate(std::abs(difference));
- control->evaluate(0.0f);
- }
- }
- }
- }
-
- void control_map::handle_mouse_scrolled(const mouse_scrolled_event& event)
- {
- for (const auto& [control, mapping]: mouse_scroll_mappings)
- {
- if (!mapping.mouse || mapping.mouse == event.mouse)
- {
- const auto velocity = event.velocity[static_cast<std::underlying_type_t<mouse_scroll_axis>>(mapping.axis)];
-
- if (velocity && std::signbit(velocity) == mapping.direction)
- {
- control->evaluate(std::abs(velocity));
- control->evaluate(0.0f);
- }
- }
- }
- }
-
- void control_map::handle_mouse_button_pressed(const mouse_button_pressed_event& event)
- {
- for (const auto& [control, mapping]: mouse_button_mappings)
- {
- if (mapping.button == event.button &&
- (!mapping.mouse || mapping.mouse == event.mouse))
- {
- control->evaluate(1.0f);
- }
- }
- }
-
- void control_map::handle_mouse_button_released(const mouse_button_released_event& event)
- {
- for (const auto& [control, mapping]: mouse_button_mappings)
- {
- if (mapping.button == event.button &&
- (!mapping.mouse || mapping.mouse == event.mouse))
- {
- control->evaluate(0.0f);
- }
- }
- }
-
- } // namespace input
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