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o3de/Code/CryEngine/Cry3DEngine/GeomCacheMeshManager.h

59 lines
2.5 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.
// Description : Manages static meshes for geometry caches
#ifndef CRYINCLUDE_CRY3DENGINE_GEOMCACHEMESHMANAGER_H
#define CRYINCLUDE_CRY3DENGINE_GEOMCACHEMESHMANAGER_H
#pragma once
#if defined(USE_GEOM_CACHES)
#include "IRenderMesh.h"
#include "GeomCacheFileFormat.h"
#include "GeomCache.h"
#include <StlUtils.h>
class CGeomCacheMeshManager
{
public:
void Reset();
bool ReadMeshStaticData(CGeomCacheStreamReader& reader, const GeomCacheFile::SMeshInfo& meshInfo, SGeomCacheStaticMeshData& staticMeshData) const;
_smart_ptr<IRenderMesh> ConstructStaticRenderMesh(CGeomCacheStreamReader& reader, const GeomCacheFile::SMeshInfo& meshInfo,
SGeomCacheStaticMeshData& staticMeshData, const char* pFileName);
_smart_ptr<IRenderMesh> GetStaticRenderMesh(const uint64 hash) const;
void RemoveReference(SGeomCacheStaticMeshData& staticMeshData);
private:
bool ReadMeshIndices(CGeomCacheStreamReader& reader, const GeomCacheFile::SMeshInfo& meshInfo,
SGeomCacheStaticMeshData& staticMeshData, std::vector<vtx_idx>& indices) const;
bool ReadMeshPositions(CGeomCacheStreamReader& reader, const GeomCacheFile::SMeshInfo& meshInfo, strided_pointer<Vec3> positions) const;
bool ReadMeshTexcoords(CGeomCacheStreamReader& reader, const GeomCacheFile::SMeshInfo& meshInfo, strided_pointer<Vec2> texcoords) const;
bool ReadMeshQTangents(CGeomCacheStreamReader& reader, const GeomCacheFile::SMeshInfo& meshInfo, strided_pointer<SPipTangents> tangents) const;
bool ReadMeshColors(CGeomCacheStreamReader& reader, const GeomCacheFile::SMeshInfo& meshInfo, strided_pointer<UCol> colors) const;
struct SMeshMapInfo
{
_smart_ptr<IRenderMesh> m_pRenderMesh;
uint m_refCount;
};
// Map from mesh hash to render mesh
typedef AZStd::unordered_map<uint64, SMeshMapInfo> TMeshMap;
TMeshMap m_meshMap;
};
#endif
#endif // CRYINCLUDE_CRY3DENGINE_GEOMCACHEMESHMANAGER_H