imageparticle.cpp

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/*
 *  The Mana Client
 *  Copyright (C) 2006-2009  The Mana World Development Team
 *  Copyright (C) 2009-2012  The Mana Developers
 *
 *  This file is part of The Mana Client.
 *
 *  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, see <http://www.gnu.org/licenses/>.
 */
 
#include "imageparticle.h"
 
#include "graphics.h"
 
#include "resources/image.h"
 
ImageParticle::ImageParticle(Map *map, Image *image):
    Particle(map),
    mImageRef(image)
{
    mImage = mImageRef;
}
 
ImageParticle::~ImageParticle() = default;
 
bool ImageParticle::draw(Graphics *graphics, int offsetX, int offsetY) const
{
    if (!isAlive() || !mImage)
        return false;
 
    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 false;
 
    mImage->setAlpha(getCurrentAlpha());
    return graphics->drawImage(mImage, screenX, screenY);
}