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61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
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* Copyright 2007 David Adam
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* Copyright 2007 Vijay Kiran Kamuju
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <assert.h>
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#include <math.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "d3drmdef.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(d3drm);
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/* Add Two Vectors */
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LPD3DVECTOR WINAPI D3DRMVectorAdd(LPD3DVECTOR d, LPD3DVECTOR s1, LPD3DVECTOR s2)
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{
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d->x=s1->x + s2->x;
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d->y=s1->y + s2->y;
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d->z=s1->z + s2->z;
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return d;
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}
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/* Subtract Two Vectors */
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LPD3DVECTOR WINAPI D3DRMVectorSubtract(LPD3DVECTOR d, LPD3DVECTOR s1, LPD3DVECTOR s2)
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{
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d->x=s1->x - s2->x;
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d->y=s1->y - s2->y;
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d->z=s1->z - s2->z;
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return d;
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}
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/* Cross Product of Two Vectors */
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LPD3DVECTOR WINAPI D3DRMVectorCrossProduct(LPD3DVECTOR d, LPD3DVECTOR s1, LPD3DVECTOR s2)
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{
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d->x=s1->y * s2->z - s1->z * s2->y;
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d->y=s1->z * s2->x - s1->x * s2->z;
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d->z=s1->x * s2->y - s1->y * s2->x;
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return d;
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}
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