mirror of
https://github.com/OpenRCT2/OpenRCT2
synced 2026-01-15 11:03:00 +01:00
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*****************************************************************************
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* Copyright (c) 2014 Ted John
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* This file is part of OpenRCT2.
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*
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* OpenRCT2 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 3 of the License, or
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* (at your option) any later version.
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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. See the
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* 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, see <http://www.gnu.org/licenses/>.
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*****************************************************************************/
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#include "util.h"
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int squaredmetres_to_squaredfeet(int squaredMetres)
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{
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// 1 metre squared = 10.7639104 feet squared
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// RCT2 approximates as 11
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return squaredMetres * 11;
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}
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int metres_to_feet(int metres)
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{
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// 1 metre = 3.2808399 feet
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// RCT2 approximates as 3.28125
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return (metres * 840) / 256;
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}
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int mph_to_kmph(int mph)
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{
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// 1 mph = 1.60934 kmph
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// RCT2 approximates as 1.609375
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return (mph * 1648) / 1024;
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}
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long fsize(FILE *fp)
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{
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long originalPosition, size;
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originalPosition = ftell(fp);
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fseek(fp, 0, SEEK_END);
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size = ftell(fp);
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fseek(fp, originalPosition, SEEK_SET);
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return size;
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}
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int bitscanforward(int source)
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{
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int i;
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for (i = 0; i < 32; i++)
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if (source & (1 << i))
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return i;
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return -1;
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} |