/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

#pragma once

#include "Scene/SimpleAnimationController.hpp"
#include "Base/Event.hpp"
#include "Base/ITickable.hpp"
#include "Math/Math.hpp"
#include "Math/Pose.hpp"

#include <vector>
#include <utility>

namespace OpenVulkano::Scene
{
	class SequenceAnimationController : public SimpleAnimationController 
	{
		using PoseDurationPair = std::pair<Math::PoseF, double>;

		std::vector<PoseDurationPair> m_steps;
		int m_currentStep = 0;
		bool m_loop = false;

		void AdvanceToNextStep();

	public:
		SequenceAnimationController();

		Event<SequenceAnimationController *> m_sequenceCompletionEvent;

		void EnableLoop(bool value) { m_loop = value; }

		void Restart();
		void AddAnimationStep(const Math::PoseF &pose, double duration);
		bool IsFinished() { if(m_loop) return false; return m_currentStep >= m_steps.size(); }

		void OnCurrentFrameFinished(SimpleAnimationController *animationController);

		void Tick() override;
	};
}