482 lines
15 KiB
C
482 lines
15 KiB
C
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved.
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#ifndef PX_PVD_OBJECT_MODEL_METADATA_H
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#define PX_PVD_OBJECT_MODEL_METADATA_H
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#include "foundation/PxAssert.h"
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#include "PxPvdObjectModelBaseTypes.h"
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#include "PxPvdBits.h"
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namespace physx
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{
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namespace pvdsdk
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{
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class PvdInputStream;
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class PvdOutputStream;
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struct PropertyDescription
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{
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NamespacedName mOwnerClassName;
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int32_t mOwnerClassId;
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String mName;
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String mSemantic;
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// The datatype this property corresponds to.
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int32_t mDatatype;
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// The name of the datatype
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NamespacedName mDatatypeName;
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// Scalar or array.
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PropertyType::Enum mPropertyType;
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// No other property under any class has this id, it is DB-unique.
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int32_t mPropertyId;
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// Offset in bytes into the object's data section where this property starts.
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uint32_t m32BitOffset;
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// Offset in bytes into the object's data section where this property starts.
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uint32_t m64BitOffset;
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PropertyDescription(const NamespacedName& clsName, int32_t classId, String name, String semantic, int32_t datatype,
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const NamespacedName& datatypeName, PropertyType::Enum propType, int32_t propId,
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uint32_t offset32, uint32_t offset64)
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: mOwnerClassName(clsName)
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, mOwnerClassId(classId)
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, mName(name)
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, mSemantic(semantic)
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, mDatatype(datatype)
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, mDatatypeName(datatypeName)
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, mPropertyType(propType)
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, mPropertyId(propId)
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, m32BitOffset(offset32)
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, m64BitOffset(offset64)
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{
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}
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PropertyDescription()
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: mOwnerClassId(-1)
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, mName("")
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, mSemantic("")
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, mDatatype(-1)
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, mPropertyType(PropertyType::Unknown)
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, mPropertyId(-1)
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, m32BitOffset(0)
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, m64BitOffset(0)
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{
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}
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virtual ~PropertyDescription()
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{
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}
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};
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struct PtrOffsetType
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{
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enum Enum
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{
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UnknownOffset,
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VoidPtrOffset,
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StringOffset
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};
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};
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struct PtrOffset
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{
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PtrOffsetType::Enum mOffsetType;
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uint32_t mOffset;
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PtrOffset(PtrOffsetType::Enum type, uint32_t offset) : mOffsetType(type), mOffset(offset)
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{
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}
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PtrOffset() : mOffsetType(PtrOffsetType::UnknownOffset), mOffset(0)
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{
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}
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};
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inline uint32_t align(uint32_t offset, uint32_t alignment)
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{
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uint32_t startOffset = offset;
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uint32_t alignmentMask = ~(alignment - 1);
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offset = (offset + alignment - 1) & alignmentMask;
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PX_ASSERT(offset >= startOffset && (offset % alignment) == 0);
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(void)startOffset;
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return offset;
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}
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struct ClassDescriptionSizeInfo
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{
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// The size of the data section of this object, padded to alignment.
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uint32_t mByteSize;
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// The last data member goes to here.
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uint32_t mDataByteSize;
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// Alignment in bytes of the data section of this object.
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uint32_t mAlignment;
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// the offsets of string handles in the binary value of this class
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DataRef<PtrOffset> mPtrOffsets;
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ClassDescriptionSizeInfo() : mByteSize(0), mDataByteSize(0), mAlignment(0)
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{
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}
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};
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struct ClassDescription
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{
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NamespacedName mName;
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// No other class has this id, it is DB-unique
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int32_t mClassId;
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// Only single derivation supported.
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int32_t mBaseClass;
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// If this class has properties that are of uniform type, then we note that.
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// This means that when deserialization an array of these objects we can just use
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// single function to endian convert the entire mess at once.
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int32_t mPackedUniformWidth;
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// If this class is composed uniformly of members of a given type
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// Or all of its properties are composed uniformly of members of
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// a give ntype, then this class's packed type is that type.
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// PxTransform's packed type would be float.
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int32_t mPackedClassType;
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// 0: 32Bit 1: 64Bit
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ClassDescriptionSizeInfo mSizeInfo[2];
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// No further property additions allowed.
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bool mLocked;
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// True when this datatype has an array on it that needs to be
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// separately deleted.
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bool mRequiresDestruction;
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ClassDescription(NamespacedName name, int32_t id)
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: mName(name)
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, mClassId(id)
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, mBaseClass(-1)
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, mPackedUniformWidth(-1)
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, mPackedClassType(-1)
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, mLocked(false)
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, mRequiresDestruction(false)
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{
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}
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ClassDescription()
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: mClassId(-1), mBaseClass(-1), mPackedUniformWidth(-1), mPackedClassType(-1), mLocked(false), mRequiresDestruction(false)
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{
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}
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virtual ~ClassDescription()
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{
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}
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ClassDescriptionSizeInfo& get32BitSizeInfo()
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{
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return mSizeInfo[0];
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}
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ClassDescriptionSizeInfo& get64BitSizeInfo()
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{
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return mSizeInfo[1];
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}
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uint32_t& get32BitSize()
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{
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return get32BitSizeInfo().mByteSize;
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}
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uint32_t& get64BitSize()
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{
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return get64BitSizeInfo().mByteSize;
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}
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uint32_t get32BitSize() const
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{
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return mSizeInfo[0].mByteSize;
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}
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const ClassDescriptionSizeInfo& getNativeSizeInfo() const
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{
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return mSizeInfo[(sizeof(void*) >> 2) - 1];
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}
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uint32_t getNativeSize() const
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{
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return getNativeSizeInfo().mByteSize;
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}
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};
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struct MarshalQueryResult
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{
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int32_t srcType;
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int32_t dstType;
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// If canMarshal != needsMarshalling we have a problem.
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bool canMarshal;
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bool needsMarshalling;
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// Non null if marshalling is possible.
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TBlockMarshaller marshaller;
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MarshalQueryResult(int32_t _srcType = -1, int32_t _dstType = -1, bool _canMarshal = false, bool _needs = false,
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TBlockMarshaller _m = NULL)
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: srcType(_srcType), dstType(_dstType), canMarshal(_canMarshal), needsMarshalling(_needs), marshaller(_m)
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{
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}
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};
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struct PropertyMessageEntry
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{
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PropertyDescription mProperty;
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NamespacedName mDatatypeName;
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// datatype of the data in the message.
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int32_t mDatatypeId;
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// where in the message this property starts.
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uint32_t mMessageOffset;
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// size of this entry object
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uint32_t mByteSize;
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// If the chain of properties doesn't have any array properties this indicates the
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uint32_t mDestByteSize;
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PropertyMessageEntry(PropertyDescription propName, NamespacedName dtypeName, int32_t dtype, uint32_t messageOff,
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uint32_t byteSize, uint32_t destByteSize)
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: mProperty(propName)
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, mDatatypeName(dtypeName)
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, mDatatypeId(dtype)
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, mMessageOffset(messageOff)
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, mByteSize(byteSize)
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, mDestByteSize(destByteSize)
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{
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}
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PropertyMessageEntry() : mDatatypeId(-1), mMessageOffset(0), mByteSize(0), mDestByteSize(0)
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{
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}
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};
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// Create a struct that defines a subset of the properties on an object.
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struct PropertyMessageDescription
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{
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NamespacedName mClassName;
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// No other class has this id, it is DB-unique
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int32_t mClassId;
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NamespacedName mMessageName;
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int32_t mMessageId;
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DataRef<PropertyMessageEntry> mProperties;
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uint32_t mMessageByteSize;
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// Offsets into the property message where const char* items are.
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DataRef<uint32_t> mStringOffsets;
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PropertyMessageDescription(const NamespacedName& nm, int32_t clsId, const NamespacedName& msgName, int32_t msgId,
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uint32_t msgSize)
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: mClassName(nm), mClassId(clsId), mMessageName(msgName), mMessageId(msgId), mMessageByteSize(msgSize)
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{
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}
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PropertyMessageDescription() : mClassId(-1), mMessageId(-1), mMessageByteSize(0)
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{
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}
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virtual ~PropertyMessageDescription()
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{
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}
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};
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class StringTable
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{
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protected:
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virtual ~StringTable()
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{
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}
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public:
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virtual uint32_t getNbStrs() = 0;
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virtual uint32_t getStrs(const char** outStrs, uint32_t bufLen, uint32_t startIdx = 0) = 0;
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virtual const char* registerStr(const char* str, bool& outAdded) = 0;
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const char* registerStr(const char* str)
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{
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bool ignored;
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return registerStr(str, ignored);
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}
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virtual StringHandle strToHandle(const char* str) = 0;
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virtual const char* handleToStr(uint32_t hdl) = 0;
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virtual void release() = 0;
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static StringTable& create();
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};
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struct None
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{
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};
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template <typename T>
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class Option
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{
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T mValue;
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bool mHasValue;
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public:
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Option(const T& val) : mValue(val), mHasValue(true)
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{
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}
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Option(None nothing = None()) : mHasValue(false)
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{
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(void)nothing;
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}
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Option(const Option& other) : mValue(other.mValue), mHasValue(other.mHasValue)
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{
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}
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Option& operator=(const Option& other)
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{
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mValue = other.mValue;
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mHasValue = other.mHasValue;
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return *this;
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}
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bool hasValue() const
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{
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return mHasValue;
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}
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const T& getValue() const
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{
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PX_ASSERT(hasValue());
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return mValue;
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}
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T& getValue()
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{
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PX_ASSERT(hasValue());
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return mValue;
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}
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operator const T&() const
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{
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return getValue();
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}
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operator T&()
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{
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return getValue();
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}
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T* operator->()
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{
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return &getValue();
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}
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const T* operator->() const
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{
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return &getValue();
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}
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};
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/**
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* Create new classes and add properties to some existing ones.
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* The default classes are created already, the simple types
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* along with the basic math types.
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* (uint8_t, int8_t, etc )
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* (PxVec3, PxQuat, PxTransform, PxMat33, PxMat34, PxMat44)
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*/
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class PvdObjectModelMetaData
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{
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protected:
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virtual ~PvdObjectModelMetaData()
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{
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}
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public:
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virtual ClassDescription getOrCreateClass(const NamespacedName& nm) = 0;
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// get or create parent, lock parent. deriveFrom getOrCreatechild.
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virtual bool deriveClass(const NamespacedName& parent, const NamespacedName& child) = 0;
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virtual Option<ClassDescription> findClass(const NamespacedName& nm) const = 0;
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template <typename TDataType>
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Option<ClassDescription> findClass()
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{
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return findClass(getPvdNamespacedNameForType<TDataType>());
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}
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virtual Option<ClassDescription> getClass(int32_t classId) const = 0;
|
||
|
|
virtual ClassDescription* getClassPtr(int32_t classId) const = 0;
|
||
|
|
|
||
|
|
virtual Option<ClassDescription> getParentClass(int32_t classId) const = 0;
|
||
|
|
bool isDerivedFrom(int32_t classId, int32_t parentClass) const
|
||
|
|
{
|
||
|
|
if(classId == parentClass)
|
||
|
|
return true;
|
||
|
|
ClassDescription* p = getClassPtr(getClassPtr(classId)->mBaseClass);
|
||
|
|
while(p != NULL)
|
||
|
|
{
|
||
|
|
if(p->mClassId == parentClass)
|
||
|
|
return true;
|
||
|
|
p = getClassPtr(p->mBaseClass);
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void lockClass(int32_t classId) = 0;
|
||
|
|
|
||
|
|
virtual uint32_t getNbClasses() const = 0;
|
||
|
|
virtual uint32_t getClasses(ClassDescription* outClasses, uint32_t requestCount, uint32_t startIndex = 0) const = 0;
|
||
|
|
|
||
|
|
// Create a nested property.
|
||
|
|
// This way you can have obj.p.x without explicity defining the class p.
|
||
|
|
virtual Option<PropertyDescription> createProperty(int32_t classId, String name, String semantic, int32_t datatype,
|
||
|
|
PropertyType::Enum propertyType = PropertyType::Scalar) = 0;
|
||
|
|
Option<PropertyDescription> createProperty(NamespacedName clsId, String name, String semantic, NamespacedName dtype,
|
||
|
|
PropertyType::Enum propertyType = PropertyType::Scalar)
|
||
|
|
{
|
||
|
|
return createProperty(findClass(clsId)->mClassId, name, semantic, findClass(dtype)->mClassId, propertyType);
|
||
|
|
}
|
||
|
|
Option<PropertyDescription> createProperty(NamespacedName clsId, String name, NamespacedName dtype,
|
||
|
|
PropertyType::Enum propertyType = PropertyType::Scalar)
|
||
|
|
{
|
||
|
|
return createProperty(findClass(clsId)->mClassId, name, "", findClass(dtype)->mClassId, propertyType);
|
||
|
|
}
|
||
|
|
Option<PropertyDescription> createProperty(int32_t clsId, String name, int32_t dtype,
|
||
|
|
PropertyType::Enum propertyType = PropertyType::Scalar)
|
||
|
|
{
|
||
|
|
return createProperty(clsId, name, "", dtype, propertyType);
|
||
|
|
}
|
||
|
|
template <typename TDataType>
|
||
|
|
Option<PropertyDescription> createProperty(int32_t clsId, String name, String semantic = "",
|
||
|
|
PropertyType::Enum propertyType = PropertyType::Scalar)
|
||
|
|
{
|
||
|
|
return createProperty(clsId, name, semantic, getPvdNamespacedNameForType<TDataType>(), propertyType);
|
||
|
|
}
|
||
|
|
virtual Option<PropertyDescription> findProperty(const NamespacedName& cls, String prop) const = 0;
|
||
|
|
virtual Option<PropertyDescription> findProperty(int32_t clsId, String prop) const = 0;
|
||
|
|
virtual Option<PropertyDescription> getProperty(int32_t propId) const = 0;
|
||
|
|
virtual void setNamedPropertyValues(DataRef<NamedValue> values, int32_t propId) = 0;
|
||
|
|
// for enumerations and flags.
|
||
|
|
virtual DataRef<NamedValue> getNamedPropertyValues(int32_t propId) const = 0;
|
||
|
|
|
||
|
|
virtual uint32_t getNbProperties(int32_t classId) const = 0;
|
||
|
|
virtual uint32_t getProperties(int32_t classId, PropertyDescription* outBuffer, uint32_t bufCount,
|
||
|
|
uint32_t startIdx = 0) const = 0;
|
||
|
|
|
||
|
|
// Does one cls id differ marshalling to another and if so return the functions to do it.
|
||
|
|
virtual MarshalQueryResult checkMarshalling(int32_t srcClsId, int32_t dstClsId) const = 0;
|
||
|
|
|
||
|
|
// messages and classes are stored in separate maps, so a property message can have the same name as a class.
|
||
|
|
virtual Option<PropertyMessageDescription> createPropertyMessage(const NamespacedName& cls,
|
||
|
|
const NamespacedName& msgName,
|
||
|
|
DataRef<PropertyMessageArg> entries,
|
||
|
|
uint32_t messageSize) = 0;
|
||
|
|
virtual Option<PropertyMessageDescription> findPropertyMessage(const NamespacedName& msgName) const = 0;
|
||
|
|
virtual Option<PropertyMessageDescription> getPropertyMessage(int32_t msgId) const = 0;
|
||
|
|
|
||
|
|
virtual uint32_t getNbPropertyMessages() const = 0;
|
||
|
|
virtual uint32_t getPropertyMessages(PropertyMessageDescription* msgBuf, uint32_t bufLen,
|
||
|
|
uint32_t startIdx = 0) const = 0;
|
||
|
|
|
||
|
|
virtual StringTable& getStringTable() const = 0;
|
||
|
|
|
||
|
|
virtual void write(PvdOutputStream& stream) const = 0;
|
||
|
|
void save(PvdOutputStream& stream) const
|
||
|
|
{
|
||
|
|
write(stream);
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void addRef() = 0;
|
||
|
|
virtual void release() = 0;
|
||
|
|
|
||
|
|
static uint32_t getCurrentPvdObjectModelVersion();
|
||
|
|
static PvdObjectModelMetaData& create();
|
||
|
|
static PvdObjectModelMetaData& create(PvdInputStream& stream);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|