Skeleton.h

#pragma once
 
#include <vector>
#include <string>
#include <unordered_map>
 
#include <glm/vec3.hpp>
#include <glm/mat4x4.hpp>
#include <glm/ext/quaternion_float.hpp>
 
namespace Cogs
{
  namespace Core
  {
    struct Bone
    {
      std::string name;
 
      size_t parentBone;
 
      glm::vec3 pos;      // Almost not used, 'relative' is usually used, see comment in AnimationSystem
      glm::vec3 scale;    // Almost not used, 'relative' is usually used, see comment in AnimationSystem
      glm::quat rot;      // Almost not used, 'relative' is usually used, see comment in AnimationSystem
 
      glm::mat4 relative;
      glm::mat4 absolute;
 
      glm::mat4 inverseBindPose;
      bool hasOffset;
 
      bool used;
      bool animated;
    };
 
    struct Skeleton
    {
      std::vector<Bone> bones;
 
      glm::mat4 bindPose;
 
      std::unordered_map<std::string, uint32_t> bonesByName;
    };
 
    // Defined in AnimationSystem.cpp
    void updateSkeletonPose(Skeleton & skeleton);
  }
}