QTfrontend/drawmapscene.h
author Wuzzy <Wuzzy2@mail.ru>
Fri, 27 Oct 2017 05:03:58 +0200
changeset 12782 389453e1e09e
parent 11046 47a8c19ecb60
child 13209 f5d36be88c61
permissions -rw-r--r--
ACF7: Fix possible Lua error spam in intro sequence This was caused by a race of onGearDelete vs AnimationSetup. If AnimationSetup came first, it uses old values from the natives table. The solution is to force the code to guarantee that AnimationSetup always coms after deleting gears in the natives table.
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
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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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#ifndef DRAWMAPSCENE_H
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#define DRAWMAPSCENE_H
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#include <QGraphicsScene>
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#include <QPainterPath>
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#include <QGraphicsEllipseItem>
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class QGraphicsPathItem;
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struct PathParams
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{
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    quint8 width;
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    bool erasing;
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    QPoint initialPoint;
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    QList<QPoint> points;
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};
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typedef QList<PathParams> Paths;
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class DrawMapScene : public QGraphicsScene
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{
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        Q_OBJECT
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    public:
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        enum PathType {
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            Polyline  = 0,
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            Rectangle = 1,
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            Ellipse   = 2
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        };
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        explicit DrawMapScene(QObject *parent = 0);
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        QByteArray encode();
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        void decode(QByteArray data);
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        int pointsCount();
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    signals:
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        void pathChanged();
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    public slots:
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        void undo();
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        void clearMap();
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        void simplifyLast();
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        void optimize();
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        void setErasing(bool erasing);
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        void showCursor();
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        void hideCursor();
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        void setPathType(PathType pathType);
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    private:
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        QPen m_pen;
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        QBrush m_eraser;
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        QBrush m_brush;
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        QGraphicsPathItem  * m_currPath;
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        Paths paths;
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        Paths oldPaths;
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        bool m_isErasing;
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        QList<QGraphicsItem *> oldItems;
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        QGraphicsEllipseItem * m_cursor;
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        bool m_isCursorShown;
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        QByteArray m_specialPoints;
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        PathType m_pathType;
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        virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * mouseEvent);
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        virtual void mousePressEvent(QGraphicsSceneMouseEvent * mouseEvent);
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        virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent * mouseEvent);
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        virtual void wheelEvent(QGraphicsSceneWheelEvent *);
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        QPainterPath pointsToPath(const QList<QPoint> points);
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        quint8 serializePenWidth(int width);
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        int deserializePenWidth(quint8 width);
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        QList<QPointF> makeEllipse(const QPointF & center, const QPointF & corner);
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        QPointF putSomeConstraints(const QPointF & initialPoint, const QPointF & point);
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};
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#endif // DRAWMAPSCENE_H