skeleton.h

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#pragma once
 
#include <Tempest/Matrix4x4>
 
#include <zenkit/ModelHierarchy.hh>
 
#include <vector>
 
#include "animation.h"
 
class Skeleton final {
  public:
    Skeleton(const zenkit::ModelHierarchy& src, const Animation* anim, std::string_view name);
 
    struct Node final {
      size_t             parent=size_t(-1);
      Tempest::Matrix4x4 tr;
      std::string        name;
      };
 
    bool                            ordered=true;
    std::vector<Node>               nodes;
    std::vector<size_t>             rootNodes;
    std::vector<Tempest::Matrix4x4> tr;
    Tempest::Vec3                   rootTr={};
 
    size_t                          BIP01_HEAD = size_t(-1);
 
    Tempest::Vec3                   bboxCol[2]={};
 
    size_t                          findNode(std::string_view name, size_t def=size_t(-1)) const;
    size_t                          findRootNode() const;
 
    std::string_view                name() const { return fileName; }
    const Animation::Sequence*      sequence(std::string_view name) const;
    const Animation*                animation() const { return anim; }
    std::string_view                defaultMesh() const;
 
    float                           colisionHeight() const;
 
    void                            debug() const;
 
  private:
    std::string      fileName;
    const Animation* anim=nullptr;
 
    void mkSkeleton();
    void mkSkeleton(const Tempest::Matrix4x4& mt,size_t parent);
  };