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/*
mapwidget.cc
This file is part of the Project::OSiRiON world editor
and is distributed under the terms and conditions of
the GNU General Public License version 2
*/
#include "mapwidget.h"
#include "mapentity.h"
#include <QPainter>
#include <QWheelEvent>
#include <QDebug>
namespace editor
{
MapWidget::MapWidget(QWidget *parent) : QWidget(parent)
{
//setMinimumSize(256,256);
// zoom sucks but it works
mapwidget_zoom = 16;
}
void MapWidget::wheelEvent(QWheelEvent *event)
{
if (event->orientation() == Qt::Vertical) {
mapwidget_zoom -= event->delta() / 120;
if (mapwidget_zoom < 4)
mapwidget_zoom = 4;
else if (mapwidget_zoom > 64) {
mapwidget_zoom = 64;
}
resizeChildren();
update();
event->accept();
}
}
void MapWidget::resizeChildren()
{
const float scale = (float) width() / (float) (mapwidget_zoom * 256);
for (int i = 0; i < mapwidget_enties.size(); ++i) {
MapEntity * entity = mapwidget_enties.at(i);
int iconsize = 12;
int x = width() / 2 + (int) (entity->location(0) * scale) - iconsize /2;
int y = height() / 2 + (int)(entity->location(1) * scale) - iconsize /2;
entity->setGeometry(x, y, iconsize, iconsize);
//qDebug() << "Moving entity to " << x << " " << y;
}
}
void MapWidget::resizeEvent (QResizeEvent *event)
{
resizeChildren();
}
void MapWidget::paintEvent(QPaintEvent *event)
{
QPen pen(Qt::blue, 1, Qt::SolidLine);
QPainter painter(this);
painter.setPen(pen);
// mapwidget_zoom is used to scale from game units to screen coorinates
// 1 grid square is 256 game units
// gridsize is the size of one grid square in screen coordinates
int gridsize = width() / mapwidget_zoom;
int x = width() / 2;
while (x > 0) {
painter.drawLine(x, 0, x, height());
x -= gridsize;
}
x = width() / 2 + gridsize;
while (x <= width()) {
painter.drawLine(x, 0, x, height());
x += gridsize;
}
int y = height() / 2;
while (y > 0) {
painter.drawLine(0, y, width(), y);
y -= gridsize;
}
y = height() / 2 + gridsize;
while (y <= height()) {
painter.drawLine(0, y, width(), y);
y += gridsize;
}
QWidget::paintEvent(event);
}
MapEntity *MapWidget::addEntity()
{
MapEntity *mapentity = new MapEntity(this);
mapwidget_enties.append(mapentity);
mapentity->show();
resizeChildren();
update();
return mapentity;
}
}
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