/*
 * 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/.
 */

#include "SimpleAnimationController.hpp"
#include "Base/FrameMetadata.hpp"

namespace OpenVulkano::Scene
{
	double SimpleAnimationController::GetProgress()
	{
		double progress = m_elapsed / m_duration;
		if(progress >= 1.0)
			progress = 1;
		return progress;
	}

	void SimpleAnimationController::Tick()
	{
		// NOTE(vb): We can't early quit by condition  elapsed > duration  because we need to
		// emit an event when animation is completed
		if(!m_node || m_duration <= 0)
			return;

		m_elapsed += OpenVulkano::CURRENT_FRAME.frameTime;
		if(m_elapsed > m_duration)
			m_completionEvent.NotifyAll(this);

		double progress = GetProgress();
		OpenVulkano::Math::Pose<float> currentPose = m_initialPose.Interpolate(m_targetPose, progress);
		m_node->SetMatrix(currentPose.ToMatrix());
	}
}