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92 lines
2.0 KiB
C++
92 lines
2.0 KiB
C++
#ifndef OPENMW_COMPONENTS_DETOURNAVIGATOR_RECASTALLOCUTILS_H
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#define OPENMW_COMPONENTS_DETOURNAVIGATOR_RECASTALLOCUTILS_H
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#include <RecastAlloc.h>
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#include <cstdint>
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namespace DetourNavigator
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{
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static_assert(sizeof(std::size_t) == sizeof(void*), "");
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enum BufferType : std::size_t
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{
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BufferType_perm,
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BufferType_temp,
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BufferType_unused,
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};
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inline BufferType* tempPtrBufferType(void* ptr)
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{
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return reinterpret_cast<BufferType*>(static_cast<std::size_t*>(ptr) + 1);
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}
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inline BufferType getTempPtrBufferType(void* ptr)
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{
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return *tempPtrBufferType(ptr);
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}
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inline void setTempPtrBufferType(void* ptr, BufferType value)
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{
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*tempPtrBufferType(ptr) = value;
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}
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inline void** tempPtrPrev(void* ptr)
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{
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return static_cast<void**>(ptr);
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}
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inline void* getTempPtrPrev(void* ptr)
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{
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return *tempPtrPrev(ptr);
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}
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inline void setTempPtrPrev(void* ptr, void* value)
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{
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*tempPtrPrev(ptr) = value;
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}
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inline void* getTempPtrDataPtr(void* ptr)
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{
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return reinterpret_cast<void*>(static_cast<std::size_t*>(ptr) + 2);
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}
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inline BufferType* dataPtrBufferType(void* dataPtr)
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{
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return reinterpret_cast<BufferType*>(static_cast<std::size_t*>(dataPtr) - 1);
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}
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inline BufferType getDataPtrBufferType(void* dataPtr)
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{
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return *dataPtrBufferType(dataPtr);
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}
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inline void setDataPtrBufferType(void* dataPtr, BufferType value)
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{
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*dataPtrBufferType(dataPtr) = value;
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}
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inline void* getTempDataPtrStackPtr(void* dataPtr)
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{
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return static_cast<std::size_t*>(dataPtr) - 2;
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}
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inline void* getPermDataPtrHeapPtr(void* dataPtr)
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{
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return static_cast<std::size_t*>(dataPtr) - 1;
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}
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inline void setPermPtrBufferType(void* ptr, BufferType value)
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{
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*static_cast<BufferType*>(ptr) = value;
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}
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inline void* getPermPtrDataPtr(void* ptr)
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{
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return static_cast<std::size_t*>(ptr) + 1;
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}
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}
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#endif
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