Engine:
* Made all gear message flag names consistent with other flags (removed the underscore)
/*
* Hedgewars, a free turn based strategy game
* Copyright (c) 2009 Kristian Lehmann <email@thexception.net>
*
* 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; version 2 of the License
*
* 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 "bgwidget.h"
SpritePosition::SpritePosition(QWidget * parent, int sh)
{
wParent = parent;
iSpriteHeight = sh;
reset();
}
SpritePosition::~SpritePosition()
{
}
void SpritePosition::move()
{
fX += fXMov;
fY += fYMov;
iAngle += 4;
if (iAngle >= 360) iAngle = 0;
if (fY > wParent->height()) reset();
}
void SpritePosition::reset()
{
fY = -1 * iSpriteHeight;
fX = (qrand() % ((int)(wParent->width() * 1.5))) - wParent->width()/2;
fYMov = ((qrand() % 400)+300) / 100.0f;
fXMov = fYMov * 0.5f;
iAngle = qrand() % 360;
}
QPoint SpritePosition::pos()
{
return QPoint((int)fX,(int)fY);
}
int SpritePosition::getAngle()
{
return iAngle;
}
void SpritePosition::init()
{
fY = qrand() % (wParent->height() + 1);
fX = qrand() % (wParent->width() + 1);
}
BGWidget::BGWidget(QWidget * parent) : QWidget(parent)
{
setAttribute(Qt::WA_NoSystemBackground, true);
sprite.load(":/res/Star.png");
setAutoFillBackground(false);
for (int i = 0; i < SPRITE_MAX; i++) spritePositions[i] = new SpritePosition(this, sprite.height());
for (int i = 0; i < 360; i++)
{
rotatedSprites[i] = new QImage(sprite.width(), sprite.height(), QImage::Format_ARGB32);
rotatedSprites[i]->fill(0);
QPoint translate(sprite.width()/2, sprite.height()/2);
QPainter p;
p.begin(rotatedSprites[i]);
// p.setRenderHint(QPainter::Antialiasing);
p.setRenderHint(QPainter::SmoothPixmapTransform);
p.translate(translate.x(), translate.y());
p.rotate(i);
p.translate(-1*translate.x(), -1*translate.y());
p.drawImage(0, 0, sprite);
}
timerAnimation = new QTimer();
connect(timerAnimation, SIGNAL(timeout()), this, SLOT(animate()));
timerAnimation->setInterval(ANIMATION_INTERVAL);
}
BGWidget::~BGWidget()
{
for (int i = 0; i < SPRITE_MAX; i++) delete spritePositions[i];
for (int i = 0; i < 360; i++) delete rotatedSprites[i];
delete timerAnimation;
}
void BGWidget::paintEvent(QPaintEvent *event)
{
QPainter p;
p.begin(this);
//p.setRenderHint(QPainter::Antialiasing);
for (int i = 0; i < SPRITE_MAX; i++)
{
QPoint point = spritePositions[i]->pos();
p.drawImage(point.x(), point.y(), *rotatedSprites[spritePositions[i]->getAngle()]);
}
p.end();
}
void BGWidget::animate()
{
for (int i = 0; i < SPRITE_MAX; i++)
{
// bottom edge of star *seems* clipped, but in fact, if I switch to just plain old repaint()/update() it is still clipped - artifact of transform? As for 5, is arbitrary number. 4 was noticeably clipping, 5 seemed same as update() - I assume extra room is due to rotation and value really should be calculated proportional to width/height
update(spritePositions[i]->pos().x(),spritePositions[i]->pos().y(), sprite.width()+5, sprite.height()+5);
spritePositions[i]->move();
}
}
void BGWidget::startAnimation()
{
timerAnimation->start();
}
void BGWidget::stopAnimation()
{
timerAnimation->stop();
}
void BGWidget::init()
{
for (int i = 0; i < SPRITE_MAX; i++) spritePositions[i]->init();
}