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58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#include <CryCommon/PakLoadDataUtils.h>
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namespace PakLoadDataUtils
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{
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bool LoadDataFromFile_Seek(size_t elems, AZ::IO::HandleType& fileHandle, int& nDataSize, [[maybe_unused]] EEndian eEndian)
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{
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GetISystem()->GetIPak()->FSeek(fileHandle, elems, SEEK_CUR);
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nDataSize -= elems;
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AZ_Assert(nDataSize >= 0, "nDataSize must be equal or greater than 0");
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return (nDataSize >= 0);
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}
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bool LoadDataFromFile_Seek(size_t elems, uint8*& f, int& nDataSize, [[maybe_unused]] EEndian eEndian)
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{
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nDataSize -= elems;
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f += elems;
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AZ_Assert(nDataSize >= 0, "nDataSize must be equal or greater than 0");
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return true;
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}
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void LoadDataFromFile_FixAlignment(AZ::IO::HandleType& fileHandle, int& nDataSize)
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{
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while (nDataSize & 3)
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{
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[[maybe_unused]] size_t nRes = GetISystem()->GetIPak()->FSeek(fileHandle, 1, SEEK_CUR);
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AZ_Assert(nRes == 0, "FSeek failed for 1 byte");
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AZ_Assert(nDataSize, "nDataSize reached zero" );
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nDataSize--;
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}
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AZ_Assert(nDataSize >= 0, "nDataSize must be equal or greater than 0");
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}
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void LoadDataFromFile_FixAlignment(uint8*& f, int& nDataSize)
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{
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while (nDataSize & 3)
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{
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AZ_Assert(*f == 222, "Found invalid data in buffer.");
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f++;
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AZ_Assert(nDataSize, "nDataSize reached zero");
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nDataSize--;
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}
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AZ_Assert(nDataSize >= 0, "nDataSize must be equal or greater than 0");
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}
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} //namespace PakLoadDataUtils
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