// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Renderer module"
// For conditions of distribution and use, see copyright notice in Config.hpp

#include <Nazara/Renderer/WindowSwapchain.hpp>
#include <Nazara/Core/ErrorFlags.hpp>
#include <Nazara/Renderer/Debug.hpp>

namespace Nz
{
	inline WindowSwapchain::WindowSwapchain(WindowSwapchain&& windowSwapchain) noexcept :
	m_renderDevice(std::move(windowSwapchain.m_renderDevice)),
	m_swapchain(std::move(windowSwapchain.m_swapchain)),
	m_window(std::move(windowSwapchain.m_window)),
	m_renderOnlyIfFocused(windowSwapchain.m_renderOnlyIfFocused),
	m_hasFocus(windowSwapchain.m_hasFocus),
	m_isMinimized(windowSwapchain.m_isMinimized)
	{
		ConnectSignals();
	}

	inline RenderFrame WindowSwapchain::AcquireFrame()
	{
		if (m_isMinimized || (!m_hasFocus && m_renderOnlyIfFocused))
			return RenderFrame{};

		return m_swapchain->AcquireFrame();
	}

	inline bool WindowSwapchain::DoesRenderOnlyIfFocused() const
	{
		return m_renderOnlyIfFocused;
	}

	inline void WindowSwapchain::EnableRenderOnlyIfFocused(bool enable)
	{
		m_renderOnlyIfFocused = enable;
	}

	inline Swapchain& WindowSwapchain::GetSwapchain()
	{
		return *m_swapchain;
	}

	inline const Swapchain& WindowSwapchain::GetSwapchain() const
	{
		return *m_swapchain;
	}

	inline WindowSwapchain& WindowSwapchain::operator=(WindowSwapchain&& windowSwapchain) noexcept
	{
		windowSwapchain.DisconnectSignals();

		m_renderDevice = std::move(windowSwapchain.m_renderDevice);
		m_swapchain = std::move(windowSwapchain.m_swapchain);
		m_window = std::move(windowSwapchain.m_window);
		m_renderOnlyIfFocused = windowSwapchain.m_renderOnlyIfFocused;
		m_hasFocus = windowSwapchain.m_hasFocus;
		m_isMinimized = windowSwapchain.m_isMinimized;

		ConnectSignals();

		return *this;
	}

	void WindowSwapchain::DisconnectSignals()
	{
		m_onGainedFocus.Disconnect();
		m_onLostFocus.Disconnect();
		m_onMinimized.Disconnect();
		m_onResized.Disconnect();
		m_onRestored.Disconnect();
	}
}

#include <Nazara/Renderer/DebugOff.hpp>