Graphics: Implement point-light shadow-mapping

include/Nazara/Graphics/PointLightShadowData.hpp

@@ -0,0 +1,64 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_GRAPHICS_POINTLIGHTSHADOWDATA_HPP
+#define NAZARA_GRAPHICS_POINTLIGHTSHADOWDATA_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Graphics/Config.hpp>
+#include <Nazara/Graphics/DepthPipelinePass.hpp>
+#include <Nazara/Graphics/Light.hpp>
+#include <Nazara/Graphics/LightShadowData.hpp>
+#include <Nazara/Graphics/ShadowViewer.hpp>
+#include <array>
+
+namespace Nz
+{
+	class FramePipeline;
+	class PointLight;
+
+	class NAZARA_GRAPHICS_API PointLightShadowData : public LightShadowData
+	{
+		public:
+			PointLightShadowData(FramePipeline& pipeline, ElementRendererRegistry& elementRegistry, const PointLight& light);
+			PointLightShadowData(const PointLightShadowData&) = delete;
+			PointLightShadowData(PointLightShadowData&&) = delete;
+			~PointLightShadowData() = default;
+
+			void PrepareRendering(RenderFrame& renderFrame) override;
+
+			void RegisterMaterialInstance(const MaterialInstance& matInstance) override;
+			void RegisterPassInputs(FramePass& pass) override;
+			void RegisterToFrameGraph(FrameGraph& frameGraph) override;
+
+			const Texture* RetrieveLightShadowmap(const BakedFrameGraph& bakedGraph) const override;
+
+			void UnregisterMaterialInstance(const MaterialInstance& matInstance) override;
+
+			PointLightShadowData& operator=(const PointLightShadowData&) = delete;
+			PointLightShadowData& operator=(PointLightShadowData&&) = delete;
+
+		private:
+			NazaraSlot(Light, OnLightShadowMapSettingChange, m_onLightShadowMapSettingChange);
+			NazaraSlot(Light, OnLightTransformInvalided, m_onLightTransformInvalidated);
+
+			struct DirectionData
+			{
+				std::optional<DepthPipelinePass> depthPass;
+				std::size_t attachmentIndex;
+				ShadowViewer viewer;
+			};
+
+			std::array<DirectionData, 6> m_directions;
+			std::size_t m_cubeAttachmentIndex;
+			FramePipeline& m_pipeline;
+			const PointLight& m_light;
+	};
+}
+
+#include <Nazara/Graphics/PointLightShadowData.inl>
+
+#endif // NAZARA_GRAPHICS_POINTLIGHTSHADOWDATA_HPP