haptics_system.hpp

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#pragma once
 
#include <toast/assets/types.hpp>
#include <toast/events/listener.hpp>
#include <unordered_set>
 
namespace input {
 
class TOAST_API HapticsSystem {
public:
  HapticsSystem();
  ~HapticsSystem();
 
  HapticsSystem(const HapticsSystem&) = delete;
  auto operator=(const HapticsSystem&) -> HapticsSystem& = delete;
 
  [[nodiscard]]
  static auto get() noexcept -> HapticsSystem&;

  void play(uint32_t controller, assets::Handle<assets::Haptic> haptic);
 
  void setGlobalMultiplier(float multiplier) noexcept;
 
  [[nodiscard]]
  auto globalMultiplier() const noexcept -> float {
    return m_global_multiplier;
  }
 
  void tick();
 
private:
  struct Playback {
    uint32_t controller = 0;
    assets::Handle<assets::Haptic> haptic;
    float elapsed = 0.0f;
  };
 
  static inline HapticsSystem* instance = nullptr;
 
  event::Listener m_listener;
  std::vector<Playback> m_playbacks;
  std::unordered_set<uint32_t> m_rumbling;
  float m_global_multiplier = 1.0f;
};
 
}