cache.h

Go to the documentation of this file.

//
// Copyright 2016 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#ifndef PXR_USD_USD_SKEL_CACHE_H
#define PXR_USD_USD_SKEL_CACHE_H


#include "pxr/pxr.h"
#include "pxr/usd/usdSkel/api.h"

#include "pxr/usd/usd/prim.h"
#include "pxr/usd/usd/primFlags.h"

#include "pxr/usd/usdSkel/animQuery.h"
#include "pxr/usd/usdSkel/binding.h"

#include <memory>


PXR_NAMESPACE_OPEN_SCOPE


class UsdSkelRoot;
class UsdSkelAnimation;
class UsdSkelSkeleton;
class UsdSkelSkeletonQuery;
class UsdSkelSkinningQuery;

TF_DECLARE_REF_PTRS(UsdSkelBinding);


class UsdSkelCache
{
public:
    USDSKEL_API
    UsdSkelCache();

    USDSKEL_API
    void Clear();

    USDSKEL_API
    bool Populate(const UsdSkelRoot& root,
                  Usd_PrimFlagsPredicate predicate) const;

    USDSKEL_API
    UsdSkelSkeletonQuery GetSkelQuery(const UsdSkelSkeleton& skel) const;

    USDSKEL_API
    UsdSkelAnimQuery GetAnimQuery(const UsdSkelAnimation& anim) const;

    USDSKEL_API
    UsdSkelAnimQuery GetAnimQuery(const UsdPrim& prim) const;

    USDSKEL_API
    UsdSkelSkinningQuery GetSkinningQuery(const UsdPrim& prim) const;

    USDSKEL_API
    bool ComputeSkelBindings(const UsdSkelRoot& skelRoot,
                             std::vector<UsdSkelBinding>* bindings,
                             Usd_PrimFlagsPredicate predicate) const;

    USDSKEL_API
    bool ComputeSkelBinding(const UsdSkelRoot& skelRoot,
                            const UsdSkelSkeleton& skel,
                            UsdSkelBinding* binding,
                            Usd_PrimFlagsPredicate predicate) const;

private:
    std::shared_ptr<class UsdSkel_CacheImpl> _impl;
 
    friend class UsdSkelAnimQuery;
    friend class UsdSkelSkeletonQuery;
};

PXR_NAMESPACE_CLOSE_SCOPE

#endif // USDSKEL_EVALCACHE_H