hide complete IP of other users, when non-admin requests player info. showing the first two parts of the IP was kinda pointless to begin with (what for?) and has recently lead to increased abuse and lobby flooding due to bots collecting/posting IP tracking information
#include <QDebug>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsPathItem>
#include <QtEndian>
#include "drawmapscene.h"
template <class T> T sqr(const T & x)
{
return x*x;
}
DrawMapScene::DrawMapScene(QObject *parent) :
QGraphicsScene(parent),
m_pen(Qt::yellow),
m_brush(Qt::yellow)
{
setSceneRect(0, 0, 4096, 2048);
QLinearGradient gradient(0, 0, 0, 2048);
gradient.setColorAt(0, QColor(60, 60, 155));
gradient.setColorAt(1, QColor(155, 155, 60));
setBackgroundBrush(QBrush(gradient));
m_pen.setWidth(67);
m_pen.setJoinStyle(Qt::RoundJoin);
m_pen.setCapStyle(Qt::RoundCap);
m_currPath = 0;
}
void DrawMapScene::mouseMoveEvent(QGraphicsSceneMouseEvent * mouseEvent)
{
qDebug() << "move" << mouseEvent->scenePos();
if(m_currPath && (mouseEvent->buttons() & Qt::LeftButton))
{
QPainterPath path = m_currPath->path();
path.lineTo(mouseEvent->scenePos());
paths.first().append(mouseEvent->scenePos().toPoint());
m_currPath->setPath(path);
emit pathChanged();
}
}
void DrawMapScene::mousePressEvent(QGraphicsSceneMouseEvent * mouseEvent)
{
qDebug() << "press" << mouseEvent->scenePos();
m_currPath = addPath(QPainterPath(), m_pen);
QPainterPath path = m_currPath->path();
QPointF p = mouseEvent->scenePos();
p += QPointF(0.01, 0.01);
path.moveTo(p);
path.lineTo(mouseEvent->scenePos());
paths.prepend(QList<QPoint>() << mouseEvent->scenePos().toPoint());
m_currPath->setPath(path);
emit pathChanged();
}
void DrawMapScene::mouseReleaseEvent(QGraphicsSceneMouseEvent * mouseEvent)
{
qDebug() << "release" << mouseEvent->scenePos();
simplifyLast();
m_currPath = 0;
}
void DrawMapScene::undo()
{
if(items().size())
{
removeItem(items().first());
paths.removeFirst();
emit pathChanged();
}
}
QByteArray DrawMapScene::encode()
{
QByteArray b;
foreach(QList<QPoint> points, paths)
{
int cnt = 0;
foreach(QPoint point, points)
{
qint16 px = qToBigEndian((qint16)point.x());
qint16 py = qToBigEndian((qint16)point.y());
quint8 flags = 2;
if(!cnt) flags |= 0x80;
b.append((const char *)&px, 2);
b.append((const char *)&py, 2);
b.append((const char *)&flags, 1);
++cnt;
}
}
return b;
}
void DrawMapScene::decode(QByteArray data)
{
clear();
paths.clear();
QList<QPoint> points;
while(data.size() >= 5)
{
qint16 px = qFromBigEndian(*(qint16 *)data.data());
data.remove(0, 2);
qint16 py = qFromBigEndian(*(qint16 *)data.data());
data.remove(0, 2);
quint8 flags = *(quint8 *)data.data();
data.remove(0, 1);
//last chunk or first point
if((data.size() < 5) || (flags & 0x80))
{
if(points.size())
{
qDebug() << points;
addPath(pointsToPath(points), m_pen);
paths.prepend(points);
points.clear();
}
}
points.append(QPoint(px, py));
}
}
void DrawMapScene::simplifyLast()
{
QList<QPoint> points = paths[0];
QPoint prevPoint = points.first();
int i = 1;
while(i < points.size())
{
if( (i != points.size() - 1)
&& (sqr(prevPoint.x() - points[i].x()) + sqr(prevPoint.y() - points[i].y()) < 1000)
)
points.removeAt(i);
else
{
prevPoint = points[i];
++i;
}
}
paths[0] = points;
// redraw path
{
QGraphicsPathItem * pathItem = static_cast<QGraphicsPathItem *>(items()[0]);
pathItem->setPath(pointsToPath(paths[0]));
}
emit pathChanged();
}
QPainterPath DrawMapScene::pointsToPath(const QList<QPoint> points)
{
QPainterPath path;
if(points.size())
{
QPointF p = points[0] + QPointF(0.01, 0.01);
path.moveTo(p);
foreach(QPoint p, points)
path.lineTo(p);
}
return path;
}