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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* The Mana World is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "animation.h"
#include <algorithm>
#include "utils/dtor.h"
Animation::Animation():
mLength(0)
{
reset();
}
void
Animation::reset()
{
mTime = 0;
iCurrentPhase = mAnimationPhases.begin();
}
bool
Animation::update(unsigned int time)
{
mTime += time;
if (mAnimationPhases.empty())
return true;
if (isTerminator(*iCurrentPhase))
return false;
unsigned int delay = iCurrentPhase->delay;
while (mTime > delay)
{
if (!delay)
return true;
mTime -= delay;
iCurrentPhase++;
if (iCurrentPhase == mAnimationPhases.end())
{
iCurrentPhase = mAnimationPhases.begin();
}
if (isTerminator(*iCurrentPhase))
return false;
delay = iCurrentPhase->delay;
}
return true;
}
const AnimationPhase*
Animation::getCurrentPhase() const
{
return mAnimationPhases.empty() ? NULL : &(*iCurrentPhase);
}
void
Animation::addPhase(Image *image, unsigned int delay, int offsetX, int offsetY)
{
// Add new phase to animation list
AnimationPhase newPhase = { image, delay, offsetX, offsetY};
mAnimationPhases.push_back(newPhase);
mLength += delay;
// Reset animation circle
iCurrentPhase = mAnimationPhases.begin();
}
void
Animation::addTerminator()
{
AnimationPhase terminator = { NULL, 0, 0, 0};
mAnimationPhases.push_back(terminator);
iCurrentPhase = mAnimationPhases.begin();
}
bool
Animation::isTerminator(AnimationPhase candidate)
{
return (candidate.image == NULL);
}
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