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/*
* Aethyra
* Copyright (C) 2006 The Mana World Development Team
*
* This file is part of Aethyra based on original code
* from The Mana World.
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "graphics.h"
#include "imageparticle.h"
#include "resources/image.h"
ImageParticle::ImageParticle(Map *map, Image *image):
Particle(map),
mImage(image)
{
if (mImage) mImage->incRef();
}
ImageParticle::~ImageParticle()
{
if (mImage) mImage->decRef();
}
void ImageParticle::draw(Graphics *graphics, int offsetX, int offsetY) const
{
if (!mAlive)
return;
int screenX = (int) mPos.x + offsetX - mImage->getWidth() / 2;
int screenY = (int) mPos.y - (int)mPos.z + offsetY - mImage->getHeight()/2;
// Check if on screen
if (screenX + mImage->getWidth() < 0 ||
screenX > graphics->getWidth() ||
screenY + mImage->getHeight() < 0 ||
screenY > graphics->getHeight())
{
return;
}
float alphafactor = mAlpha;
if (mLifetimeLeft > -1 && mLifetimeLeft < mFadeOut)
alphafactor *= (float) mLifetimeLeft / (float) mFadeOut;
if (mLifetimePast < mFadeIn)
alphafactor *= (float) mLifetimePast / (float) mFadeIn;
mImage->setAlpha(alphafactor);
graphics->drawImage(mImage, screenX, screenY);
}
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