NazaraEngine/include/Nazara/Graphics/Systems/RenderSystem.hpp

73 lines
2.2 KiB
C++

// Copyright (C) 2021 Jérôme Leclercq
// This file is part of the "Nazara Engine - Utility module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_RENDERSYSTEM_HPP
#define NAZARA_RENDERSYSTEM_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Core/ECS.hpp>
#include <Nazara/Graphics/Graphics.hpp>
#include <Nazara/Graphics/Components/GraphicsComponent.hpp>
#include <Nazara/Utility/Node.hpp>
#include <memory>
#include <set>
#include <unordered_map>
namespace Nz
{
class CommandBufferBuilder;
class FramePipeline;
class RenderFrame;
class UploadPool;
class NAZARA_GRAPHICS_API RenderSystem
{
public:
RenderSystem(entt::registry& registry);
RenderSystem(const RenderSystem&) = delete;
RenderSystem(RenderSystem&&) = delete;
~RenderSystem();
void Render(entt::registry& registry, RenderFrame& renderFrame);
RenderSystem& operator=(const RenderSystem&) = delete;
RenderSystem& operator=(RenderSystem&&) = delete;
private:
void OnCameraDestroy(entt::registry& registry, entt::entity entity);
void OnGraphicsDestroy(entt::registry& registry, entt::entity entity);
void OnNodeDestroy(entt::registry& registry, entt::entity entity);
void UpdateInstances(entt::registry& registry);
struct CameraEntity
{
NazaraSlot(Node, OnNodeInvalidation, onNodeInvalidation);
};
struct GraphicsEntity
{
NazaraSlot(GraphicsComponent, OnRenderableAttached, onRenderableAttached);
NazaraSlot(GraphicsComponent, OnRenderableDetach, onRenderableDetach);
NazaraSlot(Node, OnNodeInvalidation, onNodeInvalidation);
};
entt::connection m_cameraDestroyConnection;
entt::connection m_graphicsDestroyConnection;
entt::connection m_nodeDestroyConnection;
entt::observer m_cameraConstructObserver;
entt::observer m_graphicsConstructObserver;
std::set<entt::entity> m_invalidatedCameraNode;
std::set<entt::entity> m_invalidatedWorldNode;
std::unique_ptr<FramePipeline> m_pipeline;
std::unordered_map<entt::entity, CameraEntity> m_cameraEntities;
std::unordered_map<entt::entity, GraphicsEntity> m_graphicsEntities;
};
}
#include <Nazara/Graphics/Systems/RenderSystem.inl>
#endif