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Massive changes to the organisation of PolyVoxCore and PolyVoxYtil.

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Also added start of logging capability.
This commit is contained in:
David Williams
2009-04-03 21:36:22 +00:00
parent dbf7257edd
commit df1bf690c9
222 changed files with 3353 additions and 186 deletions
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61
library/PolyVoxCore/include/PolyVoxImpl/Utility.h Normal file
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#pragma region License
/******************************************************************************
This file is part of the PolyVox library
Copyright (C) 2006 David Williams
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
******************************************************************************/
#pragma endregion
#ifndef __PolyVox_Utility_H__
#define __PolyVox_Utility_H__
#include "CPlusPlusZeroXSupport.h"
#include "TypeDef.h"
#include <cassert>
namespace PolyVox
{
POLYVOXCORE_API uint8_t logBase2(uint32_t uInput);
POLYVOXCORE_API bool isPowerOf2(uint32_t uInput);
template <typename Type>
Type trilinearlyInterpolate(
const Type& v000,const Type& v100,const Type& v010,const Type& v110,
const Type& v001,const Type& v101,const Type& v011,const Type& v111,
const float x, const float y, const float z)
{
assert((x >= 0.0f) && (y >= 0.0f) && (z >= 0.0f) &&
(x <= 1.0f) && (y <= 1.0f) && (z <= 1.0f));
//Interpolate along X
Type v000_v100 = (v100 - v000) * x + v000;
Type v001_v101 = (v101 - v001) * x + v001;
Type v010_v110 = (v110 - v010) * x + v010;
Type v011_v111 = (v111 - v011) * x + v011;
//Interpolate along Y
Type v000_v100__v010_v110 = (v010_v110 - v000_v100) * y + v000_v100;
Type v001_v101__v011_v111 = (v011_v111 - v001_v101) * y + v001_v101;
//Interpolate along Z
Type v000_v100__v010_v110____v001_v101__v011_v111 = (v001_v101__v011_v111 - v000_v100__v010_v110) * z + v000_v100__v010_v110;
return v000_v100__v010_v110____v001_v101__v011_v111;
}
}
#endif