- add compression support
- remove unneeded code - change log warning to exception - documentpull/327/head
Gargaj
parent
fc9b4e2adf
commit
cd86818888
|
|
@ -10,18 +10,18 @@ with or without modification, are permitted provided that the
|
|||
following conditions are met:
|
||||
|
||||
* Redistributions of source code must retain the above
|
||||
copyright notice, this list of conditions and the
|
||||
following disclaimer.
|
||||
copyright notice, this list of conditions and the
|
||||
following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above
|
||||
copyright notice, this list of conditions and the
|
||||
following disclaimer in the documentation and/or other
|
||||
materials provided with the distribution.
|
||||
copyright notice, this list of conditions and the
|
||||
following disclaimer in the documentation and/or other
|
||||
materials provided with the distribution.
|
||||
|
||||
* Neither the name of the assimp team, nor the names of its
|
||||
contributors may be used to endorse or promote products
|
||||
derived from this software without specific prior
|
||||
written permission of the assimp team.
|
||||
contributors may be used to endorse or promote products
|
||||
derived from this software without specific prior
|
||||
written permission of the assimp team.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
|
|
@ -37,12 +37,20 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|||
|
||||
----------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
/** @file AssbinExporter.cpp
|
||||
* ASSBIN exporter main code
|
||||
*/
|
||||
#include "AssimpPCH.h"
|
||||
#include "assbin_chunks.h"
|
||||
#include "./../include/assimp/version.h"
|
||||
#include "ProcessHelper.h"
|
||||
|
||||
#ifdef ASSIMP_BUILD_NO_OWN_ZLIB
|
||||
# include <zlib.h>
|
||||
#else
|
||||
# include "../contrib/zlib/zlib.h"
|
||||
#endif
|
||||
|
||||
#ifndef ASSIMP_BUILD_NO_EXPORT
|
||||
#ifndef ASSIMP_BUILD_NO_ASSBIN_EXPORTER
|
||||
|
||||
|
|
@ -50,6 +58,16 @@ using namespace Assimp;
|
|||
|
||||
namespace Assimp {
|
||||
|
||||
// ----------------------------------------------------------------------------------
|
||||
/** @class AssbinChunkWriter
|
||||
* @brief Chunk writer mechanism for the .assbin file structure
|
||||
*
|
||||
* This is a standard in-memory IOStream (most of the code is based on BlobIOStream),
|
||||
* the difference being that this takes another IOStream as a "container" in the
|
||||
* constructor, and when it is destroyed, it appends the magic number, the chunk size,
|
||||
* and the chunk contents to the container stream. This allows relatively easy chunk
|
||||
* chunk construction, even recursively.
|
||||
*/
|
||||
class AssbinChunkWriter : public IOStream
|
||||
{
|
||||
private:
|
||||
|
|
@ -93,13 +111,12 @@ namespace Assimp {
|
|||
if (buffer) delete[] buffer;
|
||||
}
|
||||
|
||||
void * GetBufferPointer() { return buffer; };
|
||||
|
||||
// -------------------------------------------------------------------
|
||||
virtual size_t Read(void* pvBuffer,
|
||||
size_t pSize,
|
||||
size_t pCount) { return 0; };
|
||||
virtual aiReturn Seek(size_t pOffset,
|
||||
aiOrigin pOrigin) { return aiReturn_FAILURE; };
|
||||
virtual size_t Tell() const { return 0; };
|
||||
virtual size_t Read(void* pvBuffer, size_t pSize, size_t pCount) { return 0; };
|
||||
virtual aiReturn Seek(size_t pOffset, aiOrigin pOrigin) { return aiReturn_FAILURE; };
|
||||
virtual size_t Tell() const { return cursor; };
|
||||
virtual void Flush() { };
|
||||
|
||||
virtual size_t FileSize() const
|
||||
|
|
@ -127,6 +144,7 @@ namespace Assimp {
|
|||
return Write( &v, sizeof(T), 1 );
|
||||
}
|
||||
|
||||
|
||||
// -----------------------------------------------------------------------------------
|
||||
// Serialize an aiString
|
||||
template <>
|
||||
|
|
@ -146,7 +164,7 @@ namespace Assimp {
|
|||
const uint32_t t = (uint32_t)w;
|
||||
if (w > t) {
|
||||
// this shouldn't happen, integers in Assimp data structures never exceed 2^32
|
||||
printf("loss of data due to 64 -> 32 bit integer conversion");
|
||||
throw new DeadlyExportError("loss of data due to 64 -> 32 bit integer conversion");
|
||||
}
|
||||
|
||||
Write(&t,4,1);
|
||||
|
|
@ -268,43 +286,19 @@ namespace Assimp {
|
|||
return t + Write<T>(maxc);
|
||||
}
|
||||
|
||||
|
||||
};
|
||||
|
||||
/*
|
||||
class AssbinChunkWriter
|
||||
{
|
||||
AssbinStream stream;
|
||||
uint32_t magic;
|
||||
public:
|
||||
AssbinChunkWriter( uint32_t _magic )
|
||||
{
|
||||
magic = _magic;
|
||||
}
|
||||
void AppendToStream( AssbinStream & _stream )
|
||||
{
|
||||
uint32_t s = stream.FileSize();
|
||||
_stream.Write( &magic, sizeof(uint32_t), 1 );
|
||||
_stream.Write( &s, sizeof(uint32_t), 1 );
|
||||
_stream.Write( stream.GetBuffer(), stream.FileSize(), 1 );
|
||||
}
|
||||
void AppendToStream( AssbinChunkWriter & _stream )
|
||||
{
|
||||
uint32_t s = stream.FileSize();
|
||||
_stream.WriteRaw( &magic, sizeof(uint32_t) );
|
||||
_stream.WriteRaw( &s, sizeof(uint32_t) );
|
||||
_stream.WriteRaw( stream.GetBuffer(), stream.FileSize() );
|
||||
}
|
||||
|
||||
};
|
||||
*/
|
||||
|
||||
// ----------------------------------------------------------------------------------
|
||||
/** @class AssbinExport
|
||||
* @brief Assbin exporter class
|
||||
*
|
||||
* This class performs the .assbin exporting, and is responsible for the file layout.
|
||||
*/
|
||||
class AssbinExport
|
||||
{
|
||||
private:
|
||||
bool shortened;
|
||||
bool compressed;
|
||||
//AssbinStream stream;
|
||||
|
||||
protected:
|
||||
template <typename T>
|
||||
|
|
@ -709,8 +703,6 @@ namespace Assimp {
|
|||
Write<uint16_t>( out, compressed );
|
||||
// == 20 bytes
|
||||
|
||||
//todo
|
||||
|
||||
char buff[256];
|
||||
strncpy(buff,pFile,256);
|
||||
out->Write(buff,sizeof(char),256);
|
||||
|
|
@ -729,7 +721,26 @@ namespace Assimp {
|
|||
|
||||
// Up to here the data is uncompressed. For compressed files, the rest
|
||||
// is compressed using standard DEFLATE from zlib.
|
||||
WriteBinaryScene( out, pScene );
|
||||
if (compressed)
|
||||
{
|
||||
AssbinChunkWriter uncompressedStream( NULL, NULL );
|
||||
WriteBinaryScene( &uncompressedStream, pScene );
|
||||
|
||||
uLongf uncompressedSize = uncompressedStream.Tell();
|
||||
uLongf compressedSize = (uLongf)(uncompressedStream.Tell() * 1.001 + 12.);
|
||||
uint8_t* compressedBuffer = new uint8_t[ compressedSize ];
|
||||
|
||||
compress2( compressedBuffer, &compressedSize, (const Bytef*)uncompressedStream.GetBufferPointer(), uncompressedSize, 9 );
|
||||
|
||||
out->Write( &uncompressedSize, sizeof(uint32_t), 1 );
|
||||
out->Write( compressedBuffer, sizeof(char), compressedSize );
|
||||
|
||||
delete[] compressedBuffer;
|
||||
}
|
||||
else
|
||||
{
|
||||
WriteBinaryScene( out, pScene );
|
||||
}
|
||||
|
||||
pIOSystem->Close( out );
|
||||
}
|
||||
|
|
|
|||
|
|
@ -44,8 +44,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|||
#ifndef AI_ASSBINEXPORTER_H_INC
|
||||
#define AI_ASSBINEXPORTER_H_INC
|
||||
|
||||
#include <map>
|
||||
|
||||
#include "StreamWriter.h"
|
||||
// nothing really needed here - reserved for future use like properties
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue