248 lines
8.2 KiB
C++
248 lines
8.2 KiB
C++
/*
|
|
Open Asset Import Library (assimp)
|
|
----------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2018, assimp team
|
|
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use of this software in source and binary forms,
|
|
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.
|
|
|
|
* 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.
|
|
|
|
* 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.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
----------------------------------------------------------------------
|
|
*/
|
|
|
|
/** @file Importer.h mostly internal stuff for use by #Assimp::Importer */
|
|
#pragma once
|
|
#ifndef INCLUDED_AI_IMPORTER_H
|
|
#define INCLUDED_AI_IMPORTER_H
|
|
|
|
#include <map>
|
|
#include <vector>
|
|
#include <string>
|
|
#include <assimp/matrix4x4.h>
|
|
|
|
struct aiScene;
|
|
|
|
namespace Assimp {
|
|
class ProgressHandler;
|
|
class IOSystem;
|
|
class BaseImporter;
|
|
class BaseProcess;
|
|
class SharedPostProcessInfo;
|
|
|
|
|
|
//! @cond never
|
|
// ---------------------------------------------------------------------------
|
|
/** @brief Internal PIMPL implementation for Assimp::Importer
|
|
*
|
|
* Using this idiom here allows us to drop the dependency from
|
|
* std::vector and std::map in the public headers. Furthermore we are dropping
|
|
* any STL interface problems caused by mismatching STL settings. All
|
|
* size calculation are now done by us, not the app heap. */
|
|
class ImporterPimpl {
|
|
public:
|
|
// Data type to store the key hash
|
|
typedef unsigned int KeyType;
|
|
|
|
// typedefs for our four configuration maps.
|
|
// We don't need more, so there is no need for a generic solution
|
|
typedef std::map<KeyType, int> IntPropertyMap;
|
|
typedef std::map<KeyType, ai_real> FloatPropertyMap;
|
|
typedef std::map<KeyType, std::string> StringPropertyMap;
|
|
typedef std::map<KeyType, aiMatrix4x4> MatrixPropertyMap;
|
|
|
|
/** IO handler to use for all file accesses. */
|
|
IOSystem* mIOHandler;
|
|
bool mIsDefaultHandler;
|
|
|
|
/** Progress handler for feedback. */
|
|
ProgressHandler* mProgressHandler;
|
|
bool mIsDefaultProgressHandler;
|
|
|
|
/** Format-specific importer worker objects - one for each format we can read.*/
|
|
std::vector< BaseImporter* > mImporter;
|
|
|
|
/** Post processing steps we can apply at the imported data. */
|
|
std::vector< BaseProcess* > mPostProcessingSteps;
|
|
|
|
/** The imported data, if ReadFile() was successful, NULL otherwise. */
|
|
aiScene* mScene;
|
|
|
|
/** The error description, if there was one. */
|
|
std::string mErrorString;
|
|
|
|
/** List of integer properties */
|
|
IntPropertyMap mIntProperties;
|
|
|
|
/** List of floating-point properties */
|
|
FloatPropertyMap mFloatProperties;
|
|
|
|
/** List of string properties */
|
|
StringPropertyMap mStringProperties;
|
|
|
|
/** List of Matrix properties */
|
|
MatrixPropertyMap mMatrixProperties;
|
|
|
|
/** Used for testing - extra verbose mode causes the ValidateDataStructure-Step
|
|
* to be executed before and after every single post-process step */
|
|
bool bExtraVerbose;
|
|
|
|
/** Used by post-process steps to share data */
|
|
SharedPostProcessInfo* mPPShared;
|
|
|
|
/// The default class constructor.
|
|
ImporterPimpl() AI_NO_EXCEPT;
|
|
};
|
|
|
|
inline
|
|
ImporterPimpl::ImporterPimpl() AI_NO_EXCEPT
|
|
: mIOHandler( nullptr )
|
|
, mIsDefaultHandler( false )
|
|
, mProgressHandler( nullptr )
|
|
, mIsDefaultProgressHandler( false )
|
|
, mImporter()
|
|
, mPostProcessingSteps()
|
|
, mScene( nullptr )
|
|
, mErrorString()
|
|
, mIntProperties()
|
|
, mFloatProperties()
|
|
, mStringProperties()
|
|
, mMatrixProperties()
|
|
, bExtraVerbose( false )
|
|
, mPPShared( nullptr ) {
|
|
// empty
|
|
}
|
|
//! @endcond
|
|
|
|
|
|
struct BatchData;
|
|
|
|
// ---------------------------------------------------------------------------
|
|
/** FOR IMPORTER PLUGINS ONLY: A helper class to the pleasure of importers
|
|
* that need to load many external meshes recursively.
|
|
*
|
|
* The class uses several threads to load these meshes (or at least it
|
|
* could, this has not yet been implemented at the moment).
|
|
*
|
|
* @note The class may not be used by more than one thread*/
|
|
class ASSIMP_API BatchLoader
|
|
{
|
|
// friend of Importer
|
|
|
|
public:
|
|
//! @cond never
|
|
// -------------------------------------------------------------------
|
|
/** Wraps a full list of configuration properties for an importer.
|
|
* Properties can be set using SetGenericProperty */
|
|
struct PropertyMap
|
|
{
|
|
ImporterPimpl::IntPropertyMap ints;
|
|
ImporterPimpl::FloatPropertyMap floats;
|
|
ImporterPimpl::StringPropertyMap strings;
|
|
ImporterPimpl::MatrixPropertyMap matrices;
|
|
|
|
bool operator == (const PropertyMap& prop) const {
|
|
// fixme: really isocpp? gcc complains
|
|
return ints == prop.ints && floats == prop.floats && strings == prop.strings && matrices == prop.matrices;
|
|
}
|
|
|
|
bool empty () const {
|
|
return ints.empty() && floats.empty() && strings.empty() && matrices.empty();
|
|
}
|
|
};
|
|
//! @endcond
|
|
|
|
public:
|
|
// -------------------------------------------------------------------
|
|
/** Construct a batch loader from a given IO system to be used
|
|
* to access external files
|
|
*/
|
|
explicit BatchLoader(IOSystem* pIO, bool validate = false );
|
|
|
|
// -------------------------------------------------------------------
|
|
/** The class destructor.
|
|
*/
|
|
~BatchLoader();
|
|
|
|
// -------------------------------------------------------------------
|
|
/** Sets the validation step. True for enable validation during postprocess.
|
|
* @param enable True for validation.
|
|
*/
|
|
void setValidation( bool enabled );
|
|
|
|
// -------------------------------------------------------------------
|
|
/** Returns the current validation step.
|
|
* @return The current validation step.
|
|
*/
|
|
bool getValidation() const;
|
|
|
|
// -------------------------------------------------------------------
|
|
/** Add a new file to the list of files to be loaded.
|
|
* @param file File to be loaded
|
|
* @param steps Post-processing steps to be executed on the file
|
|
* @param map Optional configuration properties
|
|
* @return 'Load request channel' - an unique ID that can later
|
|
* be used to access the imported file data.
|
|
* @see GetImport */
|
|
unsigned int AddLoadRequest (
|
|
const std::string& file,
|
|
unsigned int steps = 0,
|
|
const PropertyMap* map = NULL
|
|
);
|
|
|
|
// -------------------------------------------------------------------
|
|
/** Get an imported scene.
|
|
* This polls the import from the internal request list.
|
|
* If an import is requested several times, this function
|
|
* can be called several times, too.
|
|
*
|
|
* @param which LRWC returned by AddLoadRequest().
|
|
* @return NULL if there is no scene with this file name
|
|
* in the queue of the scene hasn't been loaded yet. */
|
|
aiScene* GetImport(
|
|
unsigned int which
|
|
);
|
|
|
|
// -------------------------------------------------------------------
|
|
/** Waits until all scenes have been loaded. This returns
|
|
* immediately if no scenes are queued.*/
|
|
void LoadAll();
|
|
|
|
private:
|
|
// No need to have that in the public API ...
|
|
BatchData *m_data;
|
|
};
|
|
|
|
} // Namespace Assimp
|
|
|
|
#endif // INCLUDED_AI_IMPORTER_H
|