nest-selection-state.hpp

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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/>.
 */
 
#ifndef ANTKEEPER_NEST_SELECTION_STATE_HPP
#define ANTKEEPER_NEST_SELECTION_STATE_HPP
 
#include "game/states/game-state.hpp"
#include <engine/entity/id.hpp>
#include <engine/math/vector.hpp>
#include <engine/render/model.hpp>
#include <engine/animation/ik/solvers/ccd-ik-solver.hpp>
#include <engine/scene/light-probe.hpp>
 
class nest_selection_state: public game_state
{
public:
    explicit nest_selection_state(::game& ctx);
    virtual ~nest_selection_state();
    
private:
    void create_first_person_camera_rig();
    void destroy_first_person_camera_rig();
    void set_first_person_camera_rig_pedestal(float pedestal);
    void move_first_person_camera_rig(const math::fvec2& direction, float factor);
    void satisfy_first_person_camera_rig_constraints();
    
    void setup_controls();
    void enable_controls();
    void disable_controls();
    
    std::vector<std::shared_ptr<::event::subscription>> action_subscriptions;
    std::shared_ptr<::event::subscription> mouse_motion_subscription;
    std::shared_ptr<render::model> worker_model;
    
    bool mouse_look{false};
    bool mouse_drag{false};
    bool adjust_exposure{false};
    bool adjust_time{false};
    
    bool moving{false};
    math::fvec2 movement_direction{0.0f, 0.0f};
    float movement_speed{0.0f};
    
    entity::id worker_ant_eid;
    
    entity::id larva_eid;
    
    entity::id first_person_camera_rig_eid;
    float first_person_camera_rig_translation_spring_angular_frequency;
    float first_person_camera_rig_rotation_spring_angular_frequency;
    float first_person_camera_rig_fov_spring_angular_frequency;
    float first_person_camera_rig_min_elevation;
    float first_person_camera_rig_max_elevation;
    float first_person_camera_near_fov;
    float first_person_camera_far_fov;
    float first_person_camera_near_speed;
    float first_person_camera_far_speed;
    float first_person_camera_rig_pedestal_speed;
    float first_person_camera_rig_pedestal;
    
    double first_person_camera_yaw{0.0};
    double first_person_camera_pitch{0.0};
    
    std::shared_ptr<ccd_ik_solver> larva_ik_solver;
    
    std::shared_ptr<scene::light_probe> sky_probe;
};
 
#endif // ANTKEEPER_NEST_SELECTION_STATE_HPP