ik-rig.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_ANIMATION_IK_RIG_HPP
#define ANTKEEPER_ANIMATION_IK_RIG_HPP
 
#include <engine/scene/skeletal-mesh.hpp>
#include <engine/animation/ik/ik-constraint.hpp>
#include <engine/animation/ik/ik-solver.hpp>
#include <memory>
#include <vector>
 
class ik_rig
{
public:
    explicit ik_rig(scene::skeletal_mesh& skeletal_mesh);
    
    [[nodiscard]] inline const scene::skeletal_mesh& get_skeletal_mesh() const noexcept
    {
        return *m_skeletal_mesh;
    }
    [[nodiscard]] inline scene::skeletal_mesh& get_skeletal_mesh() noexcept
    {
        return *m_skeletal_mesh;
    }
    
    
    void set_constraint(bone_index_type index, std::shared_ptr<ik_constraint> constraint);
    
    void clear_constraints();
    
    [[nodiscard]] inline const ik_constraint* get_constraint(bone_index_type index) const
    {
        return m_constraints[index].get();
    }
    [[nodiscard]] inline ik_constraint* get_constraint(bone_index_type index)
    {
        return m_constraints[index].get();
    }
    
    
    
    void solve();
    
    void add_solver(std::shared_ptr<ik_solver> solver);
    
    void remove_solvers();
    
    
private:
    scene::skeletal_mesh* m_skeletal_mesh{nullptr};
    std::vector<std::shared_ptr<ik_constraint>> m_constraints;
    std::vector<std::shared_ptr<ik_solver>> m_solvers;
};
 
#endif // ANTKEEPER_ANIMATION_IK_RIG_HPP