skinned_mesh.hpp

// SPDX-License-Identifier: MIT
#ifndef LIBSBX_SCENES_COMPONENTS_SKINNED_MESH_HPP_
#define LIBSBX_SCENES_COMPONENTS_SKINNED_MESH_HPP_
 
#include <vector>
#include <cinttypes>
 
#include <libsbx/math/color.hpp>
#include <libsbx/math/uuid.hpp> 
 
#include <libsbx/graphics/resource_storage.hpp>
 
#include <libsbx/graphics/images/image2d.hpp>
 
#include <libsbx/scenes/node.hpp>
 
#include <libsbx/scenes/components/static_mesh.hpp>
 
namespace sbx::scenes {
 
struct animation_state {
  float current_time = 0.0f;
  float speed = 1.0f;
  bool looping = true;
}; // struct animation_state
 
class skinned_mesh final {
 
public:
 
  struct submesh {
    std::uint32_t index;
    math::uuid material;
  }; // struct submesh
 
  skinned_mesh(const math::uuid mesh_id, const std::vector<submesh>& submeshes)
  : _mesh_id{mesh_id},
    _submeshes{submeshes} { }
 
  skinned_mesh(const math::uuid mesh_id, const math::uuid material)
  : _mesh_id{mesh_id},
    _submeshes{{0, material}} { }
 
  auto mesh_id() const noexcept -> math::uuid {
    return _mesh_id;
  }
 
  auto submeshes() const noexcept -> const std::vector<submesh>& {
    return _submeshes;
  }
 
  auto submeshes() noexcept -> std::vector<submesh>& {
    return _submeshes;
  }
 
  auto set_nodes(std::vector<node>&& nodes) -> void {
    _nodes = std::move(nodes);
  }
 
  auto nodes() const -> const std::vector<node>& {
    return _nodes;
  }
 
  auto find_node(const std::uint32_t index) const -> node {
    return _nodes.at(index);
  }
 
  auto set_pose(std::vector<math::matrix4x4>&& pose) -> void {
    _pose = std::move(pose);
  }
 
  auto pose() const -> const std::vector<math::matrix4x4>& {
    return _pose;
  }
 
private:
 
  math::uuid _mesh_id;
  std::vector<submesh> _submeshes;
 
  std::vector<node> _nodes;
  std::vector<math::matrix4x4> _pose;
 
}; // class skinned_mesh
 
} // namespace sbx::scenes
 
#endif // LIBSBX_SCENES_COMPONENTS_SKINNED_MESH_HPP_