pose.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_POSE_HPP
#define ANTKEEPER_ANIMATION_POSE_HPP
 
#include <engine/animation/bone.hpp>
#include <vector>
 
class skeleton;
 
class pose
{
public:
    explicit pose(const skeleton& skeleton);
    
    constexpr pose() noexcept = default;
    
    void update();
    
    virtual void update(bone_index_type first_index, std::size_t bone_count);
    
    inline void set_relative_transform(bone_index_type index, const bone_transform_type& transform)
    {
        m_relative_transforms[index] = transform;
    }
    
    inline void set_relative_translation(bone_index_type index, const bone_transform_type::vector_type& translation)
    {
        m_relative_transforms[index].translation = translation;
    }
    
    inline void set_relative_rotation(bone_index_type index, const bone_transform_type::quaternion_type& rotation)
    {
        m_relative_transforms[index].rotation = rotation;
    }
    
    inline void set_relative_scale(bone_index_type index, const bone_transform_type::vector_type& scale)
    {
        m_relative_transforms[index].scale = scale;
    }
    
    [[nodiscard]] inline const skeleton* get_skeleton() const noexcept
    {
        return m_skeleton;
    }
    
    [[nodiscard]] inline const bone_transform_type& get_relative_transform(bone_index_type index) const
    {
        return m_relative_transforms[index];
    }
    
    [[nodiscard]] inline const bone_transform_type& get_absolute_transform(bone_index_type index) const
    {
        return m_absolute_transforms[index];
    }
    
protected:
    const skeleton* m_skeleton{nullptr};
    
    std::vector<bone_transform_type> m_relative_transforms;
    
    std::vector<bone_transform_type> m_absolute_transforms;
};
 
#endif // ANTKEEPER_ANIMATION_POSE_HPP