63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
// Copyright (c) Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Core/Math/BoundingBox.h"
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#include "Engine/Core/Collections/Dictionary.h"
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#include "Engine/Graphics/Models/Types.h"
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#include "Engine/Graphics/DynamicBuffer.h"
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/// <summary>
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/// The mesh deformation data container.
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/// </summary>
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struct MeshDeformationData
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{
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uint64 Key;
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MeshBufferType Type;
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uint32 DirtyMinIndex = 0;
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uint32 DirtyMaxIndex = MAX_uint32 - 1;
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bool Dirty = true;
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BoundingBox Bounds;
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DynamicVertexBuffer VertexBuffer;
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MeshDeformationData(uint64 key, MeshBufferType type, uint32 stride, GPUVertexLayout* layout)
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: Key(key)
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, Type(type)
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, VertexBuffer(0, stride, TEXT("MeshDeformation"), layout)
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{
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}
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NON_COPYABLE(MeshDeformationData);
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~MeshDeformationData()
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{
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}
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bool LoadMeshAccessor(class MeshAccessor& accessor) const;
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};
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/// <summary>
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/// The mesh deformation utility for editing or morphing models dynamically at runtime (eg. via Blend Shapes or Cloth).
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/// </summary>
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class FLAXENGINE_API MeshDeformation
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{
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private:
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Dictionary<uint32, Delegate<const MeshBase*, MeshDeformationData&>> _deformers;
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Array<MeshDeformationData*> _deformations;
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public:
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~MeshDeformation()
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{
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Clear();
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}
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void GetBounds(int32 lodIndex, int32 meshIndex, BoundingBox& bounds) const;
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void Clear();
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void Dirty();
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void Dirty(int32 lodIndex, int32 meshIndex, MeshBufferType type);
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void Dirty(int32 lodIndex, int32 meshIndex, MeshBufferType type, const BoundingBox& bounds);
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void AddDeformer(int32 lodIndex, int32 meshIndex, MeshBufferType type, const Function<void(const MeshBase* mesh, MeshDeformationData& deformation)>& deformer);
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void RemoveDeformer(int32 lodIndex, int32 meshIndex, MeshBufferType type, const Function<void(const MeshBase* mesh, MeshDeformationData& deformation)>& deformer);
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void RunDeformers(const MeshBase* mesh, MeshBufferType type, GPUBuffer*& vertexBuffer);
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};
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