Code/Engine/RendererCore/Meshes/MeshResource.h - dev - redgpu/ezEngine

Code/Engine/RendererCore/Meshes/MeshResource.h
57 строк2 KB
C-Core
Spline Meshes (#1771)
13 янв 2026, 12:01
13 янв 2026, 12:01d6b93e7
#pragma once

#include <RendererCore/Meshes/MeshBufferResource.h>
#include <RendererCore/Meshes/MeshResourceDescriptor.h>

using ezMaterialResourceHandle = ezTypedResourceHandle<class ezMaterialResource>;

/// Resource representing a renderable mesh.
///
/// Contains sub-meshes with materials, references a mesh buffer for vertex/index data,
/// and stores bounding information. For skinned meshes, also includes skeleton and bone data.
class EZ_RENDERERCORE_DLL ezMeshResource : public ezResource
{
  EZ_ADD_DYNAMIC_REFLECTION(ezMeshResource, ezResource);
  EZ_RESOURCE_DECLARE_COMMON_CODE(ezMeshResource);
  EZ_RESOURCE_DECLARE_CREATEABLE(ezMeshResource, ezMeshResourceDescriptor);

public:
  ezMeshResource();

  /// \brief Returns the array of sub-meshes in this mesh.
  ezArrayPtr<const ezMeshResourceDescriptor::SubMesh> GetSubMeshes() const { return m_SubMeshes; }

  /// \brief Returns the mesh buffer that is used by this resource.
  const ezMeshBufferResourceHandle& GetMeshBuffer() const { return m_hMeshBuffer; }

  /// \brief Returns the default materials for this mesh.
  ezArrayPtr<const ezMaterialResourceHandle> GetMaterials() const { return m_Materials; }

  /// \brief Returns the bounds of this mesh.
  const ezBoundingBoxSphere& GetBounds() const { return m_Bounds; }

  /// \brief Returns the asset hash for this mesh. Returns 0 if the mesh was not loaded from an asset file.
  ezUInt64 GetAssetHash() const { return m_uiAssetHash; }

  // TODO: clean up
  ezSkeletonResourceHandle m_hDefaultSkeleton;
  ezHashTable<ezHashedString, ezMeshResourceDescriptor::BoneData> m_Bones;
  float m_fMaxBoneVertexOffset = 0.0f; // the maximum distance between any vertex and its influencing bones, can be used for adjusting the bounding box of a pose

private:
  virtual ezResourceLoadDesc UnloadData(Unload WhatToUnload) override;
  virtual ezResourceLoadDesc UpdateContent(ezStreamReader* Stream) override;
  virtual void UpdateMemoryUsage(MemoryUsage& out_NewMemoryUsage) override;

  ezBoundingBoxSphere m_Bounds;

  ezDynamicArray<ezMeshResourceDescriptor::SubMesh> m_SubMeshes;
  ezMeshBufferResourceHandle m_hMeshBuffer;
  ezDynamicArray<ezMaterialResourceHandle> m_Materials;

  ezUInt64 m_uiAssetHash = 0;

  static ezUInt32 s_uiMeshBufferNameSuffix;
};

using ezMeshResourceHandle = ezTypedResourceHandle<class ezMeshResource>;