132 lines
4.6 KiB
C++
132 lines
4.6 KiB
C++
// Copyright (C) 2017 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Graphics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_INSTANCEDRENDERABLE_HPP
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#define NAZARA_INSTANCEDRENDERABLE_HPP
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#include <Nazara/Core/ObjectLibrary.hpp>
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#include <Nazara/Core/ObjectRef.hpp>
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#include <Nazara/Core/RefCounted.hpp>
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#include <Nazara/Core/Signal.hpp>
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#include <Nazara/Graphics/Config.hpp>
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#include <Nazara/Graphics/CullingList.hpp>
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#include <Nazara/Graphics/Material.hpp>
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#include <Nazara/Math/BoundingVolume.hpp>
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#include <Nazara/Math/Frustum.hpp>
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#include <Nazara/Math/Matrix4.hpp>
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namespace Nz
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{
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class AbstractRenderQueue;
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class InstancedRenderable;
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using InstancedRenderableConstRef = ObjectRef<const InstancedRenderable>;
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using InstancedRenderableLibrary = ObjectLibrary<InstancedRenderable>;
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using InstancedRenderableRef = ObjectRef<InstancedRenderable>;
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class NAZARA_GRAPHICS_API InstancedRenderable : public RefCounted
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{
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public:
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struct InstanceData;
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inline InstancedRenderable();
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inline InstancedRenderable(const InstancedRenderable& renderable);
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InstancedRenderable(InstancedRenderable&& renderable) = delete;
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virtual ~InstancedRenderable();
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virtual void AddToRenderQueue(AbstractRenderQueue* renderQueue, const InstanceData& instanceData) const = 0;
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virtual bool Cull(const Frustumf& frustum, const InstanceData& instanceData) const;
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inline void EnsureBoundingVolumeUpdated() const;
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virtual const BoundingVolumef& GetBoundingVolume() const;
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inline const MaterialRef& GetMaterial(std::size_t matIndex = 0) const;
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inline const MaterialRef& GetMaterial(std::size_t skinIndex, std::size_t matIndex) const;
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inline std::size_t GetMaterialCount() const;
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inline std::size_t GetSkin() const;
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inline std::size_t GetSkinCount() const;
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virtual void InvalidateData(InstanceData* instanceData, UInt32 flags) const;
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inline void SetSkin(std::size_t skinIndex);
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inline void SetSkinCount(std::size_t skinCount);
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virtual void UpdateBoundingVolume(InstanceData* instanceData) const;
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virtual void UpdateData(InstanceData* instanceData) const;
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inline InstancedRenderable& operator=(const InstancedRenderable& renderable);
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InstancedRenderable& operator=(InstancedRenderable&& renderable) = delete;
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// Signals:
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NazaraSignal(OnInstancedRenderableInvalidateBoundingVolume, const InstancedRenderable* /*instancedRenderable*/);
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NazaraSignal(OnInstancedRenderableInvalidateData, const InstancedRenderable* /*instancedRenderable*/, UInt32 /*flags*/);
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NazaraSignal(OnInstancedRenderableInvalidateMaterial, const InstancedRenderable* /*instancedRenderable*/, std::size_t /*skinIndex*/, std::size_t /*matIndex*/, const MaterialRef& /*newMat*/);
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NazaraSignal(OnInstancedRenderableRelease, const InstancedRenderable* /*instancedRenderable*/);
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NazaraSignal(OnInstancedRenderableResetMaterials, const InstancedRenderable* /*instancedRenderable*/, std::size_t /*newMaterialCount*/);
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NazaraSignal(OnInstancedRenderableSkinChange, const InstancedRenderable* /*instancedRenderable*/, std::size_t /*newSkinIndex*/);
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struct InstanceData
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{
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InstanceData(const Matrix4f& transformationMatrix) :
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localMatrix(transformationMatrix),
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flags(0)
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{
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}
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InstanceData(InstanceData&& instanceData) noexcept = default;
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InstanceData& operator=(InstanceData&& instanceData) noexcept
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{
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data = std::move(instanceData.data);
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flags = instanceData.flags;
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renderOrder = instanceData.renderOrder;
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localMatrix = instanceData.localMatrix;
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transformMatrix = instanceData.transformMatrix;
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volume = instanceData.volume;
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return *this;
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}
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std::vector<UInt8> data;
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BoundingVolumef volume;
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Matrix4f localMatrix;
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mutable Matrix4f transformMatrix;
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UInt32 flags;
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int renderOrder;
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};
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protected:
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inline void InvalidateBoundingVolume();
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inline void InvalidateInstanceData(UInt32 flags);
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virtual void MakeBoundingVolume() const = 0;
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inline void ResetMaterials(std::size_t matCount, std::size_t skinCount = 1);
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inline void SetMaterial(std::size_t matIndex, MaterialRef material);
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inline void SetMaterial(std::size_t skinIndex, std::size_t matIndex, MaterialRef material);
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mutable BoundingVolumef m_boundingVolume;
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private:
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inline void UpdateBoundingVolume() const;
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std::size_t m_matCount;
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std::size_t m_skin;
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std::size_t m_skinCount;
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std::vector<MaterialRef> m_materials;
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mutable bool m_boundingVolumeUpdated;
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static InstancedRenderableLibrary::LibraryMap s_library;
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};
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}
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#include <Nazara/Graphics/InstancedRenderable.inl>
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#endif // NAZARA_INSTANCEDRENDERABLE_HPP
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