141 lines
4.4 KiB
D
141 lines
4.4 KiB
D
/*
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---------------------------------------------------------------------------
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Open Asset Import Library (ASSIMP)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2020, ASSIMP Development Team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the ASSIMP team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the ASSIMP Development Team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY 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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*/
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/**
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* The data structures necessary to use Assimip with a custom IO system.
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*/
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module assimp.fileIO;
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import assimp.types;
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extern ( C ) {
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// aiFile callbacks
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alias size_t function( aiFile*, char*, size_t, size_t ) aiFileWriteProc;
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alias size_t function( aiFile*, char*, size_t, size_t ) aiFileReadProc;
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alias size_t function( aiFile* ) aiFileTellProc;
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alias void function( aiFile* ) aiFileFlushProc;
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alias aiReturn function( aiFile*, size_t, aiOrigin ) aiFileSeek;
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// aiFileIO callbacks
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alias aiFile* function( aiFileIO*, char*, char* ) aiFileOpenProc;
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alias void function( aiFileIO*, aiFile* ) aiFileCloseProc;
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/**
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* Represents user-defined data.
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*/
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alias char* aiUserData;
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/**
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* File system callbacks.
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*
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* Provided are functions to open and close files. Supply a custom structure
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* to the import function. If you don't, a default implementation is used.
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* Use custom file systems to enable reading from other sources, such as
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* ZIPs or memory locations.
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*/
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struct aiFileIO {
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/**
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* Function used to open a new file
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*/
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aiFileOpenProc OpenProc;
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/**
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* Function used to close an existing file
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*/
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aiFileCloseProc CloseProc;
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/**
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* User-defined, opaque data.
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*/
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aiUserData UserData;
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}
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/**
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* File callbacks.
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*
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* Actually, it's a data structure to wrap a set of <code>fXXXX</code>
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* (e.g <code>fopen()</code>) replacement functions.
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*
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* The default implementation of the functions utilizes the <code>fXXX</code>
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* functions from the CRT. However, you can supply a custom implementation
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* to Assimp by passing a custom <code>aiFileIO</code>. Use this to enable
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* reading from other sources such as ZIP archives or memory locations.
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*/
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struct aiFile {
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/**
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* Callback to read from a file.
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*/
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aiFileReadProc ReadProc;
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/**
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* Callback to write to a file.
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*/
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aiFileWriteProc WriteProc;
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/**
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* Callback to retrieve the current position of the file cursor
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* (<code>ftell()</code>).
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*/
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aiFileTellProc TellProc;
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/**
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* Callback to retrieve the size of the file, in bytes.
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*/
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aiFileTellProc FileSizeProc;
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/**
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* Callback to set the current position of the file cursor
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* (<code>fseek()</code>).
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*/
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aiFileSeek SeekProc;
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/**
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* Callback to flush the file contents.
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*/
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aiFileFlushProc FlushProc;
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/**
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* User-defined, opaque data.
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*/
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aiUserData UserData;
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}
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}
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