Graphics: Move shadow-mapping related code to LightShadow classes

include/Nazara/Graphics/ShadowViewer.hpp

@@ -0,0 +1,46 @@
+// 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_SHADOWVIEWER_HPP
+#define NAZARA_GRAPHICS_SHADOWVIEWER_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Graphics/AbstractViewer.hpp>
+#include <Nazara/Graphics/ViewerInstance.hpp>
+
+namespace Nz
+{
+	class NAZARA_GRAPHICS_API ShadowViewer : public AbstractViewer
+	{
+		public:
+			inline ShadowViewer(const Recti& viewport, UInt32 renderMask);
+			ShadowViewer(const ShadowViewer&) = delete;
+			ShadowViewer(ShadowViewer&&) = delete;
+			~ShadowViewer() = default;
+
+			const Color& GetClearColor() const override;
+			UInt32 GetRenderMask() const override;
+			const RenderTarget& GetRenderTarget() const override;
+			ViewerInstance& GetViewerInstance() override;
+			const ViewerInstance& GetViewerInstance() const override;
+			const Recti& GetViewport() const override;
+
+			inline void UpdateRenderMask(UInt32 renderMask);
+			inline void UpdateViewport(const Recti& viewport);
+
+			ShadowViewer& operator=(const ShadowViewer&) = delete;
+			ShadowViewer& operator=(ShadowViewer&&) = delete;
+
+		private:
+			Recti m_viewport;
+			ViewerInstance m_viewerInstance;
+			UInt32 m_renderMask;
+	};
+}
+
+#include <Nazara/Graphics/ShadowViewer.inl>
+
+#endif // NAZARA_GRAPHICS_SHADOWVIEWER_HPP