//
// Created by martin on 17.03.24.
//

#ifndef ANIMTESTBED_ANIMGRAPHSTATEMACHINE_H
#define ANIMTESTBED_ANIMGRAPHSTATEMACHINE_H

#include "AnimGraphNodes.h"

struct Transition {
  AnimNode* m_source_state = nullptr;
  AnimNode* m_target_state = nullptr;

  float m_blend_time = 0.f;
  bool m_sync_blend = false;
};

struct AnimGraphStateMachine : public AnimNode {
  std::vector<AnimNode> m_states;
  std::vector<Transition> m_transitions;
  std::vector<std::vector<Transition*> > m_state_out_transitions;

  AnimNode* m_next_state = nullptr;
  AnimNode* m_current_state = nullptr;
  Transition* m_active_transition = nullptr;

  bool Init(AnimGraphContext& context);
  void MarkActiveInputs(const std::vector<AnimGraphConnection>& input_connections) override;
  void CalcSyncTrack(const std::vector<AnimGraphConnection>& input_connections) override;
  void UpdateTime(float time_last, float time_now) override;
  void Evaluate(AnimGraphContext& context) override;
};


#endif  //ANIMTESTBED_ANIMGRAPHSTATEMACHINE_H