45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Determine which alpha blend map fits a given shape.
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*/
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#ifndef INCLUDED_ALPHAMAPCALCULATOR
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#define INCLUDED_ALPHAMAPCALCULATOR
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#include <string.h>
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#include "BlendShapes.h"
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// defines for blendmap flipping/rotating
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#define BLENDMAP_FLIPV 0x01
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#define BLENDMAP_FLIPU 0x02
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#define BLENDMAP_ROTATE90 0x04
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#define BLENDMAP_ROTATE180 0x08
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#define BLENDMAP_ROTATE270 0x10
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///////////////////////////////////////////////////////////////////////////////
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// CAlphaMapCalculator: functionality for calculating which alpha blend map
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// fits a given shape
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namespace CAlphaMapCalculator {
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// Calculate: return the index of the blend map that fits the given shape,
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// and the set of flip/rotation flags to get the shape correctly oriented
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int Calculate(BlendShape8 shape,unsigned int& flags);
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}
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#endif
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