141 lines
4.7 KiB
C++
141 lines
4.7 KiB
C++
/** Defines the collada loader class */
|
|
|
|
/*
|
|
Open Asset Import Library (ASSIMP)
|
|
----------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2008, ASSIMP Development 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 Development 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.
|
|
|
|
----------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef AI_COLLADALOADER_H_INC
|
|
#define AI_COLLADALOADER_H_INC
|
|
|
|
#include "BaseImporter.h"
|
|
#include "ColladaParser.h"
|
|
|
|
namespace Assimp
|
|
{
|
|
|
|
struct ColladaMeshIndex
|
|
{
|
|
std::string mMeshID;
|
|
size_t mSubMesh;
|
|
std::string mMaterial;
|
|
ColladaMeshIndex( const std::string& pMeshID, size_t pSubMesh, const std::string& pMaterial)
|
|
: mMeshID( pMeshID), mSubMesh( pSubMesh), mMaterial( pMaterial)
|
|
{ }
|
|
|
|
bool operator < (const ColladaMeshIndex& p) const
|
|
{
|
|
if( mMeshID == p.mMeshID)
|
|
{
|
|
if( mSubMesh == p.mSubMesh)
|
|
return mMaterial < p.mMaterial;
|
|
else
|
|
return mSubMesh < p.mSubMesh;
|
|
} else
|
|
{
|
|
return mMeshID < p.mMeshID;
|
|
}
|
|
}
|
|
};
|
|
|
|
/** Loader class to read Collada scenes. Collada is over-engineered to death, with every new iteration bringing
|
|
* more useless stuff, so I limited the data to what I think is useful for games.
|
|
*/
|
|
class ColladaLoader : public BaseImporter
|
|
{
|
|
friend class Importer;
|
|
|
|
protected:
|
|
/** Constructor to be privately used by Importer */
|
|
ColladaLoader();
|
|
|
|
/** Destructor, private as well */
|
|
~ColladaLoader();
|
|
|
|
public:
|
|
/** Returns whether the class can handle the format of the given file.
|
|
* See BaseImporter::CanRead() for details. */
|
|
bool CanRead( const std::string& pFile, IOSystem* pIOHandler) const;
|
|
|
|
protected:
|
|
/** Called by Importer::GetExtensionList() for each loaded importer.
|
|
* See BaseImporter::GetExtensionList() for details
|
|
*/
|
|
void GetExtensionList( std::string& append)
|
|
{
|
|
append.append("*.dae");
|
|
}
|
|
|
|
/** Imports the given file into the given scene structure.
|
|
* See BaseImporter::InternReadFile() for details
|
|
*/
|
|
void InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler);
|
|
|
|
/** Recursively constructs a scene node for the given parser node and returns it. */
|
|
aiNode* BuildHierarchy( const ColladaParser& pParser, const Collada::Node* pNode);
|
|
|
|
/** Builds meshes for the given node and references them */
|
|
void BuildMeshesForNode( const ColladaParser& pParser, const Collada::Node* pNode, aiNode* pTarget);
|
|
|
|
/** Stores all meshes in the given scene */
|
|
void StoreSceneMeshes( aiScene* pScene);
|
|
|
|
/** Constructs materials from the collada material definitions */
|
|
void BuildMaterials( const ColladaParser& pParser, aiScene* pScene);
|
|
|
|
/** Resolves the texture name for the given effect texture entry */
|
|
const aiString& FindFilenameForEffectTexture( const ColladaParser& pParser, const Collada::Effect& pEffect, const std::string& pName);
|
|
|
|
protected:
|
|
/** Filename, for a verbose error message */
|
|
std::string mFileName;
|
|
|
|
/** Which mesh-material compound was stored under which mesh ID */
|
|
std::map<ColladaMeshIndex, size_t> mMeshIndexByID;
|
|
|
|
/** Which material was stored under which index in the scene */
|
|
std::map<std::string, size_t> mMaterialIndexByName;
|
|
|
|
/** Accumulated meshes for the target scene */
|
|
std::vector<aiMesh*> mMeshes;
|
|
};
|
|
|
|
} // end of namespace Assimp
|
|
|
|
#endif // AI_COLLADALOADER_H_INC
|