sanimation.hpp

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#pragma once
 
#include <array>
#define GLM_ENABLE_EXPERIMENTAL
#include <glm/glm.hpp>
#include <glm/gtx/quaternion.hpp>
#include <map>
#include <string>
#include <vector>
 
#include "NNL/common/fixed_type.hpp"
#include "NNL/simple_asset/svalue.hpp"
 
namespace nnl {


template <typename T>
struct SKeyFrame {
  u16 time = 0;  
  T value{};     
};

enum class SInterpolationMode { kLinear, kConstant };

struct SBoneChannel {
  std::vector<SKeyFrame<glm::vec3>> scale_keys;        
  std::vector<SKeyFrame<glm::quat>> rotation_keys;     
  std::vector<SKeyFrame<glm::vec3>> translation_keys;  
};

struct SAnimation {
  std::string name;  
 
  u16 duration = 0;  
 
  std::vector<SBoneChannel> bone_channels;  
  SValue extras;                            

  void Unbake(float tolerance = 1.0e-4f);
  void Bake();
};

using SVisibilityChannel = std::vector<SKeyFrame<bool>>;

struct SVisibilityAnimation {
  std::string name;                                        
  std::array<SVisibilityChannel, 16> visibility_channels;  
};

struct SUVChannel {
  SInterpolationMode interpolation;        
  std::vector<SKeyFrame<glm::vec2>> keys;  
};

struct SUVAnimation {
  std::string name;  
 
  std::map<std::size_t, SUVChannel> translation_channels;  
  SValue extras;                                           
};

}  // namespace nnl