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42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
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//-------------------------------------------------------------------------
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/*
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Copyright (C) 2010-2019 EDuke32 developers and contributors
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Copyright (C) 2019 Nuke.YKT
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This file is part of NBlood.
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NBlood is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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This program 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.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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//-------------------------------------------------------------------------
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#pragma once
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#include "resource.h"
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extern int costable[2048];
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int GetOctant(int x, int y);
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void RotateVector(int *dx, int *dy, int nAngle);
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void RotatePoint(int *x, int *y, int nAngle, int ox, int oy);
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void trigInit(Resource &Res);
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inline int Sin(int ang)
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{
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return costable[(ang - 512) & 2047];
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}
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inline int Cos(int ang)
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{
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return costable[ang & 2047];
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}
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