147 lines
4.9 KiB
C++
147 lines
4.9 KiB
C++
/*
|
|
Open Asset Import Library (assimp)
|
|
----------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2016, 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 Defines a post processing step to compute UV coordinates
|
|
from abstract mappings, such as box or spherical*/
|
|
#ifndef AI_COMPUTEUVMAPPING_H_INC
|
|
#define AI_COMPUTEUVMAPPING_H_INC
|
|
|
|
#include "BaseProcess.h"
|
|
#include <assimp/mesh.h>
|
|
#include <assimp/material.h>
|
|
#include <assimp/types.h>
|
|
|
|
class ComputeUVMappingTest;
|
|
|
|
namespace Assimp {
|
|
|
|
// ---------------------------------------------------------------------------
|
|
/** ComputeUVMappingProcess - converts special mappings, such as spherical,
|
|
* cylindrical or boxed to proper UV coordinates for rendering.
|
|
*/
|
|
class ComputeUVMappingProcess : public BaseProcess
|
|
{
|
|
public:
|
|
ComputeUVMappingProcess();
|
|
~ComputeUVMappingProcess();
|
|
|
|
public:
|
|
|
|
// -------------------------------------------------------------------
|
|
/** Returns whether the processing step is present in the given flag field.
|
|
* @param pFlags The processing flags the importer was called with. A bitwise
|
|
* combination of #aiPostProcessSteps.
|
|
* @return true if the process is present in this flag fields, false if not.
|
|
*/
|
|
bool IsActive( unsigned int pFlags) const;
|
|
|
|
// -------------------------------------------------------------------
|
|
/** Executes the post processing step on the given imported data.
|
|
* At the moment a process is not supposed to fail.
|
|
* @param pScene The imported data to work at.
|
|
*/
|
|
void Execute( aiScene* pScene);
|
|
|
|
protected:
|
|
|
|
// -------------------------------------------------------------------
|
|
/** Computes spherical UV coordinates for a mesh
|
|
*
|
|
* @param mesh Mesh to be processed
|
|
* @param axis Main axis
|
|
* @param out Receives output UV coordinates
|
|
*/
|
|
void ComputeSphereMapping(aiMesh* mesh,const aiVector3D& axis,
|
|
aiVector3D* out);
|
|
|
|
// -------------------------------------------------------------------
|
|
/** Computes cylindrical UV coordinates for a mesh
|
|
*
|
|
* @param mesh Mesh to be processed
|
|
* @param axis Main axis
|
|
* @param out Receives output UV coordinates
|
|
*/
|
|
void ComputeCylinderMapping(aiMesh* mesh,const aiVector3D& axis,
|
|
aiVector3D* out);
|
|
|
|
// -------------------------------------------------------------------
|
|
/** Computes planar UV coordinates for a mesh
|
|
*
|
|
* @param mesh Mesh to be processed
|
|
* @param axis Main axis
|
|
* @param out Receives output UV coordinates
|
|
*/
|
|
void ComputePlaneMapping(aiMesh* mesh,const aiVector3D& axis,
|
|
aiVector3D* out);
|
|
|
|
// -------------------------------------------------------------------
|
|
/** Computes cubic UV coordinates for a mesh
|
|
*
|
|
* @param mesh Mesh to be processed
|
|
* @param out Receives output UV coordinates
|
|
*/
|
|
void ComputeBoxMapping(aiMesh* mesh, aiVector3D* out);
|
|
|
|
private:
|
|
|
|
// temporary structure to describe a mapping
|
|
struct MappingInfo
|
|
{
|
|
explicit MappingInfo(aiTextureMapping _type)
|
|
: type (_type)
|
|
, axis (0.f,1.f,0.f)
|
|
, uv (0u)
|
|
{}
|
|
|
|
aiTextureMapping type;
|
|
aiVector3D axis;
|
|
unsigned int uv;
|
|
|
|
bool operator== (const MappingInfo& other)
|
|
{
|
|
return type == other.type && axis == other.axis;
|
|
}
|
|
};
|
|
};
|
|
|
|
} // end of namespace Assimp
|
|
|
|
#endif // AI_COMPUTEUVMAPPING_H_INC
|