QTfrontend/bgwidget.cpp
author nemo
Sun, 03 May 2009 21:28:15 +0000
changeset 2025 692308790912
parent 2012 76fff564246b
child 2069 f7fad4ad4455
permissions -rw-r--r--
Adjust routines impacted by DrawRotatedF modification, clear gstHHHJump in rope to avoid crosshair/hat drawing bug.
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2009 Kristian Lehmann <email@thexception.net>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 */
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#include "bgwidget.h"
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SpritePosition::SpritePosition(QWidget * parent, int sh)
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{
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	wParent = parent;
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	iSpriteHeight = sh;
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	reset();
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}
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SpritePosition::~SpritePosition()
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{
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}
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void SpritePosition::move()
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{
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	fX += fXMov;
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	fY += fYMov;
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	iAngle += 4;
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	if (iAngle >= 360) iAngle = 0;
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	if (fY > wParent->height()) reset();
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}
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void SpritePosition::reset()
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{
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	fY = -1 * iSpriteHeight;
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	fX = (qrand() % ((int)(wParent->width() * 1.5))) - wParent->width()/2;
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	fYMov = ((qrand() % 400)+300) / 100.0f;
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	fXMov = fYMov * 0.5f;
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	iAngle = qrand() % 360;
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}
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QPoint SpritePosition::pos()
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{
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	return QPoint((int)fX,(int)fY);
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}
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int SpritePosition::getAngle()
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{
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	return iAngle;
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}
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void SpritePosition::init()
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{
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	fY = qrand() % (wParent->height() + 1);
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	fX = qrand() % (wParent->width() + 1);
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}
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BGWidget::BGWidget(QWidget * parent) : QWidget(parent)
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{
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	sprite.load(":/res/Star.png");
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	setAutoFillBackground(false);
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	for (int i = 0; i < SPRITE_MAX; i++) spritePositions[i] = new SpritePosition(this, sprite.height());
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	for (int i = 0; i < 360; i++)
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	{
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		rotatedSprites[i] = new QImage(sprite.width(), sprite.height(), QImage::Format_ARGB32);
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		rotatedSprites[i]->fill(0);
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		QPoint translate(sprite.width()/2, sprite.height()/2);
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		QPainter p;
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		p.begin(rotatedSprites[i]);
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		p.setRenderHint(QPainter::Antialiasing);
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		p.setRenderHint(QPainter::SmoothPixmapTransform);
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		p.translate(translate.x(), translate.y());
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		p.rotate(i);
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		p.translate(-1*translate.x(), -1*translate.y());
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		p.drawImage(0, 0, sprite);
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	}
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	timerAnimation = new QTimer();
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	connect(timerAnimation, SIGNAL(timeout()), this, SLOT(animate()));
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	timerAnimation->setInterval(ANIMATION_INTERVAL);
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}
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BGWidget::~BGWidget()
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{
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	for (int i = 0; i < SPRITE_MAX; i++) delete spritePositions[i];
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	for (int i = 0; i < 360; i++) delete rotatedSprites[i];
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	delete timerAnimation;
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}
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void BGWidget::paintEvent(QPaintEvent *event)
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{
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	QPainter p;
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	p.begin(this);
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	//p.setRenderHint(QPainter::Antialiasing);
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	for (int i = 0; i < SPRITE_MAX; i++)
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	{
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		QPoint point = spritePositions[i]->pos();
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		p.drawImage(point.x(), point.y(), *rotatedSprites[spritePositions[i]->getAngle()]);
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	}
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	p.end();
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}
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void BGWidget::animate()
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{
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	repaint();
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	for (int i = 0; i < SPRITE_MAX; i++)
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	{
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		spritePositions[i]->move();
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	}
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}
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void BGWidget::startAnimation()
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{
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	timerAnimation->start();
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}
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void BGWidget::stopAnimation()
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{
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	timerAnimation->stop();
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}
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void BGWidget::init()
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{
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	for (int i = 0; i < SPRITE_MAX; i++) spritePositions[i]->init();
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}