#pragma once

#include <td/Maths.h>
#include <td/misc/Signal.h>

namespace td {
namespace render {

class Camera {
  private:
	Mat4f m_ViewMatrix;
	Mat4f m_ProjectionMatrix;
	Mat4f m_InvViewMatrix;
	Mat4f m_InvProjectionMatrix;

	float m_CamDistance = 25.0f;
	Vec3f m_CamPos{0, m_CamDistance, 0};
	Vec2f m_CamLook{};

	float m_Yaw = -PI / 2.0f;
	float m_Pitch = -PI / 2.0f + 0.0000001f;

  public:
	utils::Signal<> OnPerspectiveChange;
	utils::Signal<> OnViewChange;

	const Mat4f& GetViewMatrix() const {
		return m_ViewMatrix;
	}

	const Mat4f& GetProjectionMatrix() const {
		return m_ProjectionMatrix;
	}

	void UpdatePerspective(float a_AspectRatio);

	void SetCamPos(const Vec3f& a_NewPos);
};

}  // namespace render
}  // namespace td