💿🐜 Antkeeper source code
https://antkeeper.com
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401 lines
11 KiB
401 lines
11 KiB
/*
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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-map.hpp"
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#include <algorithm>
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#include <cmath>
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#include <type_traits>
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#include <utility>
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namespace input {
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void action_map::connect(::event::queue& queue)
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{
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if (subscriptions.empty())
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{
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subscriptions.emplace_back(queue.subscribe<gamepad_axis_moved_event>(std::bind_front(&action_map::handle_gamepad_axis_moved, this)));
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subscriptions.emplace_back(queue.subscribe<gamepad_button_pressed_event>(std::bind_front(&action_map::handle_gamepad_button_pressed, this)));
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subscriptions.emplace_back(queue.subscribe<gamepad_button_released_event>(std::bind_front(&action_map::handle_gamepad_button_released, this)));
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subscriptions.emplace_back(queue.subscribe<key_pressed_event>(std::bind_front(&action_map::handle_key_pressed, this)));
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subscriptions.emplace_back(queue.subscribe<key_released_event>(std::bind_front(&action_map::handle_key_released, this)));
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subscriptions.emplace_back(queue.subscribe<mouse_button_pressed_event>(std::bind_front(&action_map::handle_mouse_button_pressed, this)));
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subscriptions.emplace_back(queue.subscribe<mouse_button_released_event>(std::bind_front(&action_map::handle_mouse_button_released, this)));
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subscriptions.emplace_back(queue.subscribe<mouse_moved_event>(std::bind_front(&action_map::handle_mouse_moved, this)));
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subscriptions.emplace_back(queue.subscribe<mouse_scrolled_event>(std::bind_front(&action_map::handle_mouse_scrolled, this)));
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}
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}
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void action_map::disconnect()
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{
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subscriptions.clear();
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}
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void action_map::add_mapping(action& action, const mapping& mapping)
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{
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switch (mapping.get_mapping_type())
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{
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case mapping_type::gamepad_axis:
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add_gamepad_axis_mapping(action, static_cast<const gamepad_axis_mapping&>(mapping));
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break;
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case mapping_type::gamepad_button:
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add_gamepad_button_mapping(action, static_cast<const gamepad_button_mapping&>(mapping));
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break;
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case mapping_type::key:
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add_key_mapping(action, static_cast<const key_mapping&>(mapping));
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break;
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case mapping_type::mouse_button:
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add_mouse_button_mapping(action, static_cast<const mouse_button_mapping&>(mapping));
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break;
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case mapping_type::mouse_motion:
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add_mouse_motion_mapping(action, static_cast<const mouse_motion_mapping&>(mapping));
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break;
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case mapping_type::mouse_scroll:
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add_mouse_scroll_mapping(action, static_cast<const mouse_scroll_mapping&>(mapping));
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break;
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default:
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//std::unreachable();
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break;
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}
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}
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void action_map::add_gamepad_axis_mapping(action& action, gamepad_axis_mapping mapping)
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{
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gamepad_axis_mappings.emplace_back(&action, std::move(mapping));
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}
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void action_map::add_gamepad_button_mapping(action& action, gamepad_button_mapping mapping)
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{
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gamepad_button_mappings.emplace_back(&action, std::move(mapping));
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}
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void action_map::add_key_mapping(action& action, key_mapping mapping)
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{
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key_mappings.emplace_back(&action, std::move(mapping));
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}
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void action_map::add_mouse_button_mapping(action& action, mouse_button_mapping mapping)
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{
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mouse_button_mappings.emplace_back(&action, std::move(mapping));
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}
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void action_map::add_mouse_motion_mapping(action& action, mouse_motion_mapping mapping)
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{
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mouse_motion_mappings.emplace_back(&action, std::move(mapping));
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}
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void action_map::add_mouse_scroll_mapping(action& action, mouse_scroll_mapping mapping)
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{
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mouse_scroll_mappings.emplace_back(&action, std::move(mapping));
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}
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void action_map::remove_mappings(const action& action, mapping_type type)
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{
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auto predicate = [&](const auto& tuple) -> bool
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{
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return std::get<0>(tuple) == &action;
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};
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switch (type)
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{
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case mapping_type::gamepad_axis:
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std::erase_if(gamepad_axis_mappings, predicate);
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break;
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case mapping_type::gamepad_button:
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std::erase_if(gamepad_button_mappings, predicate);
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break;
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case mapping_type::key:
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std::erase_if(key_mappings, predicate);
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break;
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case mapping_type::mouse_button:
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std::erase_if(mouse_button_mappings, predicate);
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break;
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case mapping_type::mouse_motion:
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std::erase_if(mouse_motion_mappings, predicate);
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break;
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case mapping_type::mouse_scroll:
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std::erase_if(mouse_scroll_mappings, predicate);
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break;
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default:
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//std::unreachable();
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break;
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}
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}
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void action_map::remove_mappings(const action& action)
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{
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auto predicate = [&](const auto& tuple) -> bool
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{
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return std::get<0>(tuple) == &action;
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};
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std::erase_if(gamepad_axis_mappings, predicate);
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std::erase_if(gamepad_button_mappings, predicate);
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std::erase_if(key_mappings, predicate);
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std::erase_if(mouse_button_mappings, predicate);
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std::erase_if(mouse_motion_mappings, predicate);
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std::erase_if(mouse_scroll_mappings, predicate);
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}
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void action_map::remove_mappings()
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{
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gamepad_axis_mappings.clear();
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gamepad_button_mappings.clear();
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key_mappings.clear();
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mouse_button_mappings.clear();
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mouse_motion_mappings.clear();
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mouse_scroll_mappings.clear();
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}
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void action_map::handle_gamepad_axis_moved(const gamepad_axis_moved_event& event)
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{
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for (const auto& [action, mapping]: gamepad_axis_mappings)
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{
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if (mapping.axis == event.axis &&
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(!mapping.gamepad || mapping.gamepad == event.gamepad))
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{
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if (std::signbit(event.position) == mapping.direction)
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{
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action->evaluate(std::abs(event.position));
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}
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else
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{
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action->evaluate(0.0f);
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}
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}
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}
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}
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void action_map::handle_gamepad_button_pressed(const gamepad_button_pressed_event& event)
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{
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for (const auto& [action, mapping]: gamepad_button_mappings)
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{
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if (mapping.button == event.button &&
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(!mapping.gamepad || mapping.gamepad == event.gamepad))
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{
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action->evaluate(1.0f);
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}
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}
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}
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void action_map::handle_gamepad_button_released(const gamepad_button_released_event& event)
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{
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for (const auto& [action, mapping]: gamepad_button_mappings)
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{
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if (mapping.button == event.button &&
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(!mapping.gamepad || mapping.gamepad == event.gamepad))
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{
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action->evaluate(0.0f);
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}
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}
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}
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void action_map::handle_key_pressed(const key_pressed_event& event)
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{
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for (const auto& [action, mapping]: key_mappings)
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{
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if (mapping.scancode == event.scancode &&
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(!mapping.keyboard || mapping.keyboard == event.keyboard) &&
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(!mapping.modifiers || (mapping.modifiers & event.modifiers)))
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{
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if (!event.repeat)
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{
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action->evaluate(1.0f);
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}
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else if (mapping.repeat)
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{
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action->evaluate(0.0f);
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action->evaluate(1.0f);
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}
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}
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}
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}
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void action_map::handle_key_released(const key_released_event& event)
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{
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for (const auto& [action, mapping]: key_mappings)
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{
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if (mapping.scancode == event.scancode &&
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(!mapping.keyboard || mapping.keyboard == event.keyboard))
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{
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action->evaluate(0.0f);
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}
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}
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}
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void action_map::handle_mouse_moved(const mouse_moved_event& event)
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{
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for (const auto& [action, mapping]: mouse_motion_mappings)
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{
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if (!mapping.mouse || mapping.mouse == event.mouse)
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{
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const float difference = static_cast<float>(event.difference[static_cast<std::underlying_type_t<mouse_motion_axis>>(mapping.axis)]);
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if (difference && std::signbit(difference) == mapping.direction)
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{
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action->evaluate(std::abs(difference));
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action->evaluate(0.0f);
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}
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}
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}
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}
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void action_map::handle_mouse_scrolled(const mouse_scrolled_event& event)
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{
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for (const auto& [action, mapping]: mouse_scroll_mappings)
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{
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if (!mapping.mouse || mapping.mouse == event.mouse)
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{
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const auto velocity = event.velocity[static_cast<std::underlying_type_t<mouse_scroll_axis>>(mapping.axis)];
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if (velocity && std::signbit(velocity) == mapping.direction)
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{
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action->evaluate(std::abs(velocity));
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action->evaluate(0.0f);
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}
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}
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}
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}
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void action_map::handle_mouse_button_pressed(const mouse_button_pressed_event& event)
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{
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for (const auto& [action, mapping]: mouse_button_mappings)
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{
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if (mapping.button == event.button &&
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(!mapping.mouse || mapping.mouse == event.mouse))
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{
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action->evaluate(1.0f);
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}
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}
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}
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void action_map::handle_mouse_button_released(const mouse_button_released_event& event)
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{
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for (const auto& [action, mapping]: mouse_button_mappings)
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{
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if (mapping.button == event.button &&
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(!mapping.mouse || mapping.mouse == event.mouse))
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{
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action->evaluate(0.0f);
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}
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}
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}
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std::vector<gamepad_axis_mapping> action_map::get_gamepad_axis_mappings(const action& action) const
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{
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std::vector<gamepad_axis_mapping> mappings;
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for (const auto& [mapped_action, mapping]: gamepad_axis_mappings)
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{
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if (mapped_action == &action)
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{
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mappings.emplace_back(mapping);
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}
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}
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return mappings;
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}
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std::vector<gamepad_button_mapping> action_map::get_gamepad_button_mappings(const action& action) const
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{
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std::vector<gamepad_button_mapping> mappings;
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for (const auto& [mapped_action, mapping]: gamepad_button_mappings)
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{
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if (mapped_action == &action)
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{
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mappings.emplace_back(mapping);
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}
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}
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return mappings;
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}
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std::vector<key_mapping> action_map::get_key_mappings(const action& action) const
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{
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std::vector<key_mapping> mappings;
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for (const auto& [mapped_action, mapping]: key_mappings)
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{
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if (mapped_action == &action)
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{
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mappings.emplace_back(mapping);
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}
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}
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return mappings;
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}
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std::vector<mouse_button_mapping> action_map::get_mouse_button_mappings(const action& action) const
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{
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std::vector<mouse_button_mapping> mappings;
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for (const auto& [mapped_action, mapping]: mouse_button_mappings)
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{
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if (mapped_action == &action)
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{
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mappings.emplace_back(mapping);
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}
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}
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return mappings;
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}
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std::vector<mouse_motion_mapping> action_map::get_mouse_motion_mappings(const action& action) const
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{
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std::vector<mouse_motion_mapping> mappings;
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for (const auto& [mapped_action, mapping]: mouse_motion_mappings)
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{
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if (mapped_action == &action)
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{
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mappings.emplace_back(mapping);
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}
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}
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return mappings;
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}
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std::vector<mouse_scroll_mapping> action_map::get_mouse_scroll_mappings(const action& action) const
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{
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std::vector<mouse_scroll_mapping> mappings;
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for (const auto& [mapped_action, mapping]: mouse_scroll_mappings)
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{
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if (mapped_action == &action)
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{
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mappings.emplace_back(mapping);
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}
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}
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return mappings;
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}
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} // namespace input
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