mirror of
https://github.com/libretro/scummvm.git
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78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* Additional copyright for this file:
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* Copyright (C) 1995-1997 Presto Studios, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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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#include "common/random.h"
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#include "common/system.h"
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#include "common/util.h"
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#include "pegasus/util.h"
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namespace Pegasus {
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IDObject::IDObject(const int32 id) {
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_objectID = id;
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}
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IDObject::~IDObject() {
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}
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int32 IDObject::getObjectID() const {
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return _objectID;
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}
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int operator==(const IDObject &arg1, const IDObject &arg2) {
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return arg1.getObjectID() == arg2.getObjectID();
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}
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int operator!=(const IDObject &arg1, const IDObject &arg2) {
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return arg1.getObjectID() != arg2.getObjectID();
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}
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int32 pegasusRound(const int32 a, const int32 b) {
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if (b < 0)
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if (a < 0)
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return -((a - (-b >> 1)) / -b);
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else
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return -((a + (-b >> 1)) / -b);
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else
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if (a < 0)
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return (a - (b >> 1)) / b;
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else
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return (a + (b >> 1)) / b;
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}
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int32 linearInterp(const int32 start1, const int32 stop1, const int32 current1, const int32 start2, const int32 stop2) {
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if (start2 == stop2)
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return start2;
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else
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return start2 + pegasusRound((current1 - start1) * (stop2 - start2), (stop1 - start1));
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}
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uint32 tickCount() {
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return g_system->getMillis() * 60 / 1000;
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}
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} // End of namespace Pegasus
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