Examples with Path mudmap2.backend.Path used on opensource projects

Example 1 with Path

use of mudmap2.backend.Path in project mudmap2 by Neop.

the class Mainwindow method initGui.

private void initGui() {
    // Add GUI components
    JMenuBar menuBar = new JMenuBar();
    add(menuBar, BorderLayout.NORTH);
    JMenu menuFile = new JMenu("File");
    menuBar.add(menuFile);
    // Edit renamed to World
    JMenu menuEdit = new JMenu("World");
    menuBar.add(menuEdit);
    JMenu menuHelp = new JMenu("Help");
    menuBar.add(menuHelp);
    JMenuItem menuFileNew = new JMenuItem("New");
    menuFile.add(menuFileNew);
    menuFileNew.setActionCommand("new_world");
    menuFileNew.addActionListener(this);
    JMenuItem menuFileOpen = new JMenuItem("Open");
    menuFileOpen.addActionListener(new OpenWorldDialog(this));
    menuFile.add(menuFileOpen);
    // available worlds
    JMenu menuFileOpenRecent = new JMenu("Open known world");
    menuFile.add(menuFileOpenRecent);
    WorldFileList.findWorlds();
    for (final Entry<String, String> entry : WorldFileList.getWorlds().entrySet()) {
        JMenuItem openWorldEntry = new JMenuItem(entry.getValue() + " (" + entry.getKey() + ")");
        menuFileOpenRecent.add(openWorldEntry);
        openWorldEntry.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent ae) {
                try {
                    createTab(WorldManager.getWorld(entry.getKey()), entry.getKey());
                } catch (Exception ex) {
                    JOptionPane.showMessageDialog(getParent(), "Could not open world: " + ex.getMessage());
                    Logger.getLogger(Mainwindow.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        });
    }
    menuFile.addSeparator();
    JMenuItem menuFileSave = new JMenuItem("Save");
    menuFileSave.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK));
    menuFileSave.setActionCommand("save_world");
    menuFileSave.addActionListener(this);
    menuFile.add(menuFileSave);
    JMenuItem menuFileSaveAs = new JMenuItem("Save as");
    menuFileSaveAs.setActionCommand("save_world_as");
    menuFileSaveAs.addActionListener(this);
    menuFile.add(menuFileSaveAs);
    JMenuItem menuFileSaveAsImage = new JMenuItem("Export as image");
    menuFileSaveAsImage.setActionCommand("export_image");
    menuFileSaveAsImage.addActionListener(this);
    menuFile.add(menuFileSaveAsImage);
    menuFile.addSeparator();
    JMenuItem menuFileQuit = new JMenuItem("Quit");
    menuFileQuit.setActionCommand("quit");
    menuFileQuit.addActionListener(this);
    menuFile.add(menuFileQuit);
    JMenuItem menuEditEditWorld = new JMenuItem("Edit world");
    menuEditEditWorld.setActionCommand("edit_world");
    menuEditEditWorld.addActionListener(this);
    menuEdit.add(menuEditEditWorld);
    JMenuItem menuEditPathColors = new JMenuItem("Path colors");
    menuEditPathColors.setActionCommand("path_colors");
    menuEditPathColors.addActionListener(this);
    menuEdit.add(menuEditPathColors);
    JMenuItem menuEditAddPlaceGroup = new JMenuItem("Add place group");
    menuEditAddPlaceGroup.setActionCommand("add_place_group");
    menuEditAddPlaceGroup.addActionListener(this);
    menuEdit.add(menuEditAddPlaceGroup);
    menuEdit.add(new JSeparator());
    JMenuItem menuEditSetHomePosition = new JMenuItem("Set home position");
    menuEditSetHomePosition.setActionCommand("set_home");
    menuEditSetHomePosition.addActionListener(this);
    menuEdit.add(menuEditSetHomePosition);
    JMenuItem menuEditGotoHomePosition = new JMenuItem("Go to home position");
    menuEditGotoHomePosition.setActionCommand("goto_home");
    menuEditGotoHomePosition.addActionListener(this);
    menuEdit.add(menuEditGotoHomePosition);
    menuEdit.add(new JSeparator());
    menuEditCurvedPaths = new JCheckBoxMenuItem("Curved paths");
    menuEdit.add(menuEditCurvedPaths);
    menuEditCurvedPaths.addChangeListener(this);
    menuEditShowCursor = new JCheckBoxMenuItem("Show place cursor");
    menuEdit.add(menuEditShowCursor);
    menuEditShowCursor.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P, 0));
    menuEditShowCursor.addChangeListener(this);
    menuEditShowGrid = new JCheckBoxMenuItem("Show grid");
    menuEdit.add(menuEditShowGrid);
    menuEditShowGrid.addChangeListener(this);
    JMenuItem menuHelpAbout = new JMenuItem("About");
    menuHelp.add(menuHelpAbout);
    menuHelpAbout.addActionListener((ActionListener) new AboutDialog(this));
    BorderLayout infoPanelLayout = new BorderLayout();
    infoPanel = new JPanel(infoPanelLayout);
    add(infoPanel, BorderLayout.CENTER);
    infoPanel.add(new JLabel("Load or create a world in the File menu.", SwingConstants.CENTER));
}

Example 2 with Path

use of mudmap2.backend.Path in project mudmap2 by Neop.

the class ExportImageDialog method createLegendPanel.

/**
 * Creates legend panel
 * @return panel
 */
JPanel createLegendPanel() {
    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
    JPanel pRow1 = new JPanel();
    pRow1.setLayout(new GridBagLayout());
    panel.add(pRow1);
    GridBagConstraints constraints1 = new GridBagConstraints();
    constraints1.fill = GridBagConstraints.HORIZONTAL;
    constraints1.insets = new Insets(2, 2, 2, 2);
    constraints1.weightx = 1;
    constraints1.gridx = constraints1.gridy = 1;
    JLabel label = new JLabel("Legend:");
    Font font = label.getFont();
    label.setFont(font.deriveFont(Font.BOLD));
    pRow1.add(label, constraints1);
    cbLegendPathColors = new JCheckBox("Path colors");
    cbLegendPlaceGroups = new JCheckBox("Place groups");
    cbLegendRiskLevels = new JCheckBox("Risk levels");
    constraints1.gridx++;
    pRow1.add(cbLegendPathColors, constraints1);
    constraints1.gridx++;
    pRow1.add(cbLegendPlaceGroups, constraints1);
    constraints1.gridx++;
    pRow1.add(cbLegendRiskLevels, constraints1);
    cbLegendPathColors.addActionListener(new UpdateDialogListener());
    cbLegendPlaceGroups.addActionListener(new UpdateDialogListener());
    cbLegendRiskLevels.addActionListener(new UpdateDialogListener());
    constraints1.gridy++;
    constraints1.gridx = 1;
    pRow1.add(new JLabel("Position:"), constraints1);
    rbLegendPosBottom = new JRadioButton("Bottom");
    rbLegendPosLeft = new JRadioButton("Left");
    rbLegendPosRight = new JRadioButton("Right");
    rbLegendPosTop = new JRadioButton("Top");
    ButtonGroup bgLegendPos = new ButtonGroup();
    bgLegendPos.add(rbLegendPosBottom);
    bgLegendPos.add(rbLegendPosLeft);
    bgLegendPos.add(rbLegendPosRight);
    bgLegendPos.add(rbLegendPosTop);
    rbLegendPosBottom.setSelected(true);
    constraints1.gridx++;
    pRow1.add(rbLegendPosTop, constraints1);
    constraints1.gridx++;
    pRow1.add(rbLegendPosBottom, constraints1);
    constraints1.gridx++;
    pRow1.add(rbLegendPosLeft, constraints1);
    constraints1.gridx++;
    pRow1.add(rbLegendPosRight, constraints1);
    JPanel pRow2 = new JPanel();
    pRow2.setLayout(new GridBagLayout());
    panel.add(pRow2);
    GridBagConstraints constraints2 = new GridBagConstraints();
    constraints2.fill = GridBagConstraints.HORIZONTAL;
    constraints2.insets = new Insets(2, 2, 2, 2);
    constraints2.gridx = constraints1.gridy = 1;
    pRow2.add(new JLabel("Background color:"), constraints2);
    constraints2.gridx++;
    constraints2.weightx = 2;
    ccbLegendBackground = new ColorChooserButton(pRow2, Color.LIGHT_GRAY);
    pRow2.add(ccbLegendBackground, constraints2);
    return panel;
}

Example 3 with Path

use of mudmap2.backend.Path in project mudmap2 by Neop.

the class PathConnectNeighborsDialog method save.

private void save() {
    for (Entry<Place, JCheckBox> entry : neighbor_checkboxes.entrySet()) {
        if (entry.getValue().isSelected()) {
            int dx = entry.getKey().getX() - place.getX();
            int dy = entry.getKey().getY() - place.getY();
            // get direction
            String dir = Path.getDir(dx, dy);
            // connect path
            place.connectPath(new Path(place, dir, entry.getKey(), Path.getOppositeDir(dir)));
        }
    }
    getParent().repaint();
}

Example 4 with Path

use of mudmap2.backend.Path in project mudmap2 by Neop.

the class MapPainterDefault method paint.

@Override
public void paint(Graphics g, int tileSize, double graphicsWidth, double graphicsHeight, Layer layer, WorldCoordinate curPos) {
    this.graphicsWidth = graphicsWidth;
    this.graphicsHeight = graphicsHeight;
    this.tileSize = tileSize;
    this.curPos = curPos;
    tileFont = g.getFont();
    final float selectionStrokeWidth = getTileSelectionStrokeWidth();
    final int tileBorderWidthScaled = getTileBorderWidth();
    // max number of text lines tht fit in a tile
    FontMetrics fm = g.getFontMetrics();
    final int maxLines = (int) Math.round((double) (tileSize - 3 * (tileBorderWidthScaled + (int) Math.ceil(getRiskLevelStrokeWidth()))) / fm.getHeight());
    final int maxLineLength = tileSize - 2 * (tileBorderWidthScaled + (int) selectionStrokeWidth + (int) Math.ceil(getRiskLevelStrokeWidth()));
    final Boolean drawText = fm.stringWidth("WW") < (tileSize - 2 * (getRiskLevelStrokeWidth() + getTileBorderWidth()));
    // screen center in world coordinates
    // note: wdtwd2
    final double screenCenterX = (graphicsWidth / tileSize) / 2.0;
    final double screenCenterY = (graphicsHeight / tileSize) / 2.0;
    final int placeXOffset = (int) (Math.round((float) curPos.getX()) - Math.round(screenCenterX));
    final int placeYOffset = (int) (Math.round((float) curPos.getY()) - Math.floor(screenCenterY));
    // more precalculation
    final double placeXpxConst = remint(screenCenterX) - remint(curPos.getX());
    final double placeYPXConst = remint(screenCenterY) + remint(curPos.getY());
    // prepare graphic for paths
    // Paths will be drawn on this graphic and later on copied to g
    // to mask out the tile positions on graphic_path
    ArrayList<Pair<Integer, Integer>> tilePositions = new ArrayList<>();
    BufferedImage imagePath = new BufferedImage((int) graphicsWidth, (int) graphicsHeight, BufferedImage.TYPE_INT_ARGB);
    Graphics graphicPath = imagePath.getGraphics();
    ((Graphics2D) graphicPath).setStroke(new BasicStroke(getPathStrokeWidth()));
    ((Graphics2D) graphicPath).setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    // getPlace the locations of copied places
    HashSet<Pair<Integer, Integer>> copiedPlaceLocations = mudmap2.CopyPaste.getCopyPlaceLocations();
    // clear screen
    if (backgroundColor == null) {
        g.clearRect(0, 0, (int) graphicsWidth + 1, (int) graphicsHeight + 1);
    } else {
        g.setColor(backgroundColor);
        g.fillRect(0, 0, (int) graphicsWidth + 1, (int) graphicsHeight + 1);
    }
    // ------------------ draw the grid --------------------------------
    if (isGridEnabled()) {
        g.setColor(Color.lightGray);
        for (int tileX = (g.getClipBounds().x / tileSize) - 1; tileX < graphicsWidth / tileSize + 1; ++tileX) {
            final int x = (int) Math.round((tileX + placeXpxConst) * tileSize);
            g.drawLine(x, 0, x, (int) graphicsHeight);
        }
        for (int tileY = (g.getClipBounds().y / tileSize) - 1; tileY < graphicsHeight / tileSize + 1; ++tileY) {
            final int y = (int) Math.round((tileY + placeYPXConst) * tileSize);
            g.drawLine(0, y, (int) graphicsWidth, y);
        }
    }
    // ------------------ draw the tiles / places ----------------------
    for (int tileX = (g.getClipBounds().x / tileSize) - 1; tileX < graphicsWidth / tileSize + 1; ++tileX) {
        for (int tileY = (g.getClipBounds().y / tileSize) - 1; tileY < graphicsHeight / tileSize + 1; ++tileY) {
            // place position on the map
            final int placeX = tileX + placeXOffset;
            final int placeY = (int) (graphicsHeight / tileSize) - tileY + placeYOffset;
            if (layer != null && layer.exist(placeX, placeY)) {
                Place curPlace = layer.get(placeX, placeY);
                // place position in pixel on the screen
                final int placeXpx = (int) Math.round((tileX + placeXpxConst) * tileSize);
                final int placeYpx = (int) Math.round((tileY + placeYPXConst) * tileSize);
                tilePositions.add(new Pair<>(placeXpx, placeYpx));
                // number of drawn text lines
                int lineNum = 0;
                // draw place group color
                if (curPlace.getPlaceGroup() != null) {
                    g.setColor(curPlace.getPlaceGroup().getColor());
                    g.fillRect(placeXpx, placeYpx, tileSize, tileSize);
                }
                // draw tile center color
                if (drawText) {
                    g.setColor(layer.getWorld().getTileCenterColor());
                    g.fillRect(placeXpx + tileBorderWidthScaled, placeYpx + tileBorderWidthScaled, tileSize - 2 * tileBorderWidthScaled, tileSize - 2 * tileBorderWidthScaled);
                }
                // draw risk level border
                if (curPlace.getRiskLevel() != null) {
                    g.setColor(curPlace.getRiskLevel().getColor());
                    ((Graphics2D) g).setStroke(new BasicStroke(getRiskLevelStrokeWidth()));
                    g.drawRect(placeXpx + tileBorderWidthScaled, placeYpx + tileBorderWidthScaled, tileSize - 2 * tileBorderWidthScaled - (int) (0.5 * getRiskLevelStrokeWidth()), tileSize - 2 * tileBorderWidthScaled - (int) (0.5 * getRiskLevelStrokeWidth()));
                }
                LinkedList<String> text = new LinkedList<>();
                String flags = "", exits = "";
                // draw text, if tiles are large enough
                if (drawText) {
                    g.setColor(Color.BLACK);
                    // place name
                    // gets place name if unique, else place name with ID
                    String placeName;
                    switch(layer.getWorld().getShowPlaceId()) {
                        default:
                        case UNIQUE:
                        case NONE:
                            // name only
                            placeName = curPlace.getName();
                            break;
                        case ALL:
                            // name and id
                            placeName = curPlace.toString();
                            break;
                    }
                    text.add(placeName);
                    int reclvlmin = curPlace.getRecLevelMin(), reclvlmax = curPlace.getRecLevelMax();
                    if (reclvlmin > -1 || reclvlmax > -1) {
                        String levelString = "lvl " + (reclvlmin > -1 ? reclvlmin : "?") + " - " + (reclvlmax > -1 ? reclvlmax : "?");
                        text.add(levelString);
                    }
                    // parents
                    if (lineNum < maxLines && !curPlace.getParents().isEmpty()) {
                        int parentsNum = curPlace.getParents().size();
                        String paStr = "Pa" + (parentsNum > 1 ? " (" + curPlace.getParents().size() + "): " : ": ");
                        boolean firstParent = true;
                        for (Place parent : curPlace.getParents()) {
                            paStr += (firstParent ? "" : ", ") + parent.getName();
                            firstParent = false;
                        }
                        text.add(paStr);
                    }
                    // children
                    if (lineNum < maxLines && !curPlace.getChildren().isEmpty()) {
                        int childrenNum = curPlace.getChildren().size();
                        String chStr = "Ch" + (childrenNum > 1 ? " (" + curPlace.getChildren().size() + "): " : ": ");
                        boolean firstChild = true;
                        for (Place child : curPlace.getChildren()) {
                            chStr += (firstChild ? "" : ", ") + child.getName();
                            firstChild = false;
                        }
                        text.add(chStr);
                    }
                    // flags
                    if (lineNum < maxLines) {
                        // place has comments
                        if (!curPlace.getComments().isEmpty())
                            flags += "Co";
                        if (!curPlace.getChildren().isEmpty())
                            flags += "Ch";
                        if (!curPlace.getParents().isEmpty())
                            flags += "Pa";
                        // other flags
                        for (Map.Entry<String, Boolean> flag : curPlace.getFlags().entrySet()) {
                            if (flag.getValue())
                                flags += flag.getKey().toUpperCase();
                            if (fm.stringWidth(flags) >= tileSize - 2 * tileBorderWidthScaled)
                                break;
                        }
                    }
                }
                // mark place group selection
                if (isSelected(curPlace) || (mudmap2.CopyPaste.isCut() && mudmap2.CopyPaste.isMarked(curPlace))) {
                    g.setColor(new Color(255, 255, 255, 128));
                    g.fillRect(placeXpx, placeYpx, tileSize, tileSize);
                }
                // draw path lines here
                boolean exitUp = false, exitDown = false, exitnstd = false;
                if (getShowPaths()) {
                    for (Path path : curPlace.getPaths()) {
                        Place otherPlace = path.getOtherPlace(curPlace);
                        Color colorPlace1 = layer.getWorld().getPathColor(path.getExitDirections()[0]);
                        Color colorPlace2 = layer.getWorld().getPathColor(path.getExitDirections()[1]);
                        if (path.getPlaces()[0] != curPlace) {
                            Color tmp = colorPlace1;
                            colorPlace1 = colorPlace2;
                            colorPlace2 = tmp;
                        }
                        // usually the main place (path.getPlaces()[0]) draws the path. If it isn't on screen, the other place draws it
                        if (Objects.equals(otherPlace.getLayer().getId(), layer.getId()) && (path.getPlaces()[0] == curPlace || !isOnScreen(otherPlace))) {
                            Pair<Integer, Integer> exitOffset = getExitOffset(path.getExit(curPlace));
                            Pair<Integer, Integer> exitOffsetOther = getExitOffset(path.getExit(otherPlace));
                            boolean drawCurves = getPathsCurved();
                            // exit positions on the map
                            final double exit1x = placeXpx + exitOffset.first;
                            final double exit1y = placeYpx + exitOffset.second;
                            final double exit2x = placeXpx + (otherPlace.getX() - curPlace.getX()) * tileSize + exitOffsetOther.first;
                            final double exit2y = placeYpx - (otherPlace.getY() - curPlace.getY()) * tileSize + exitOffsetOther.second;
                            if (colorPlace1.equals(colorPlace2)) {
                                // same color
                                ((Graphics2D) graphicPath).setPaint(colorPlace1);
                            } else {
                                // draw gradient
                                GradientPaint gp = new GradientPaint((float) exit1x, (float) exit1y, colorPlace1, (float) exit2x, (float) exit2y, colorPlace2);
                                ((Graphics2D) graphicPath).setPaint(gp);
                            }
                            if (drawCurves) {
                                Pair<Double, Double> normal1 = getExitNormal(path.getExit(curPlace));
                                Pair<Double, Double> normal2 = getExitNormal(path.getExit(otherPlace));
                                double dx = exit2x - exit1x;
                                double dy = exit2y - exit1y;
                                if (drawCurves = Math.sqrt(dx * dx + dy * dy) >= 1.5 * tileSize) {
                                    CubicCurve2D c = new CubicCurve2D.Double();
                                    // point 1
                                    c.setCurve(exit1x, exit1y, // point 2
                                    exit1x + normal1.first * tileSize, exit1y - normal1.second * tileSize, // point 3
                                    exit2x + normal2.first * tileSize, exit2y - normal2.second * tileSize, // point 4
                                    exit2x, exit2y);
                                    ((Graphics2D) graphicPath).draw(c);
                                }
                            }
                            if (!drawCurves) {
                                graphicPath.drawLine((int) exit1x, (int) exit1y, (int) exit2x, (int) exit2y);
                            }
                        }
                        // draw exit dots, if tiles are larger than 20
                        if (tileSize >= 20) {
                            g.setColor(colorPlace1);
                            String exit = path.getExit(curPlace);
                            switch(exit) {
                                case "u":
                                    exitUp = true;
                                    break;
                                case "d":
                                    exitDown = true;
                                    break;
                                default:
                                    Pair<Integer, Integer> exitOffset = getExitOffset(exit);
                                    if (exitOffset.first != tileSize / 2 || exitOffset.second != tileSize / 2) {
                                        int exitCircleRadius2 = getExitCircleRadius();
                                        g.fillOval(placeXpx + exitOffset.first - exitCircleRadius2, placeYpx + exitOffset.second - exitCircleRadius2, 2 * exitCircleRadius2, 2 * exitCircleRadius2);
                                    } else {
                                        // non-standard exit
                                        exitnstd = true;
                                    }
                                    break;
                            }
                        }
                    }
                }
                // draw exits
                if (tileSize >= 20 && (exitUp || exitDown) && drawText && lineNum <= maxLines) {
                    // have some arrows: ⬆⬇ ↑↓
                    exits = "" + (exitnstd ? "+" : "") + (exitUp ? "↑" : "") + (exitDown ? "↓" : "");
                }
                g.setColor(Color.BLACK);
                final int border = (int) (tileBorderWidthScaled + getRiskLevelStrokeWidth());
                drawText(g, placeXpx + border, placeYpx + border, tileSize - 2 * border, tileSize - 2 * border, text, flags, exits);
            }
            // TODO: extract from parent loop
            if (copiedPlaceLocations != null) {
                boolean locationFound = false;
                for (Pair<Integer, Integer> location : copiedPlaceLocations) {
                    if (location.first == placeX - placeSelectedX && location.second == placeY - placeSelectedY) {
                        locationFound = true;
                        break;
                    }
                }
                if (locationFound) {
                    // alternative: getScreenPosX();
                    int placeXpx = (int) ((tileX + remint(screenCenterX) - remint(curPos.getX())) * tileSize);
                    int placeYpx = (int) ((tileY + remint(screenCenterY) + remint(curPos.getY())) * tileSize);
                    drawCursor(g, Color.BLUE, placeXpx, placeYpx, selectionStrokeWidth);
                }
            }
            // draw cursor / place selection
            if (placeSelectionEnabled && placeX == placeSelectedX && placeY == placeSelectedY) {
                // alternative: getScreenPosX();
                int placeXpx = (int) ((tileX + remint(screenCenterX) - remint(curPos.getX())) * tileSize);
                int placeYpx = (int) ((tileY + remint(screenCenterY) + remint(curPos.getY())) * tileSize);
                drawCursor(g, TILE_SELECTION_COLOR, placeXpx, placeYpx, selectionStrokeWidth);
            }
        }
    }
    // mask out tile positions on graphicPath
    ((Graphics2D) graphicPath).setBackground(new Color(0, 0, 0, 0));
    int clearTileSize = tileSize - 2 * tileBorderWidthScaled;
    for (Pair<Integer, Integer> p : tilePositions) // graphicPath.clearRect(p.first, p.second, p.first + tileSize, p.second + tileSize);
    graphicPath.clearRect(p.first + tileBorderWidthScaled, p.second + tileBorderWidthScaled, clearTileSize, clearTileSize);
    // draw graphicPath to g
    if (getShowPaths())
        g.drawImage(imagePath, 0, 0, null);
    graphicPath.dispose();
}

Example 5 with Path

use of mudmap2.backend.Path in project mudmap2 by Neop.

the class CopyPaste method paste.

/**
 * Pastes the cut / copied places to layer, if possible
 * @param x
 * @param y
 * @param layer
 * @return false on error or user abort
 */
public static boolean paste(int x, int y, Layer layer) {
    if (!canPaste(x, y, layer))
        return false;
    // ask user
    String title = (copyMode ? "Copy " : "Paste ") + "place(s)";
    String message = title + "? This can not be undone!" + (copyPlaces.iterator().next().getLayer().getWorld() != layer.getWorld() ? " Pasting to another world might cause problems!" : "");
    int ret = JOptionPane.showConfirmDialog(null, message, title, JOptionPane.YES_NO_OPTION);
    if (ret == JOptionPane.YES_OPTION) {
        // map to translate from old to new place
        HashMap<Place, Place> place_to_new_place = new HashMap<Place, Place>();
        Place[] places;
        if (copyMode) {
            places = copyPlaces.toArray(new Place[copyPlaces.size()]);
        } else {
            // getPlace movement direction
            final int fact_x = (x <= copydx ? 1 : -1);
            final int fact_y = (y <= copydy ? 1 : -1);
            // sort places
            ArrayList<Place> ordered_places = new ArrayList<>(copyPlaces);
            Collections.sort(ordered_places, new Comparator<Place>() {

                @Override
                public int compare(Place t, Place t1) {
                    // list will be moved first
                    if (fact_x * t.getX() > fact_x * t1.getX())
                        return 1;
                    else if (t.getX() == t1.getX()) {
                        if (fact_y * t.getY() > fact_y * t1.getY())
                            return 1;
                        else if (t.getY() == t1.getY())
                            return 0;
                    }
                    return -1;
                }
            });
            places = ordered_places.toArray(new Place[ordered_places.size()]);
        }
        // copy places
        for (Place place : places) {
            try {
                if (place.getLayer().getWorld() != layer.getWorld()) {
                    if (place.getPlaceGroup() != null && !layer.getWorld().getPlaceGroups().contains(place.getPlaceGroup()))
                        layer.getWorld().addPlaceGroup(place.getPlaceGroup());
                }
                if (copyMode) {
                    // copy places -> duplicate on new layer
                    Place new_place = place.duplicate();
                    place_to_new_place.put(place, new_place);
                    layer.put(new_place, place.getX() - copydx + x, place.getY() - copydy + y);
                } else {
                    // remove place from old layer
                    Layer layerOld = place.getLayer();
                    layerOld.remove(place);
                    // add place to new layer
                    place.setLayer(layer);
                    layer.put(place, place.getX() - copydx + x, place.getY() - copydy + y);
                }
            } catch (Exception ex) {
                Logger.getLogger(Mudmap2.class.getName()).log(Level.SEVERE, null, ex);
                return false;
            }
        }
        // recreate paths and child connections after copy-paste
        if (copyMode) {
            for (Place place : copyPlaces) {
                Place new_place = place_to_new_place.get(place);
                // connect paths
                for (Path path : place.getPaths()) {
                    // only check first place, because the other side will
                    // check itself
                    Place path_end_place = path.getPlaces()[0];
                    // if end place is not this place and is also copied
                    if (path_end_place != place && copyPlaces.contains(path_end_place)) {
                        Place other_new_place = place_to_new_place.get(path_end_place);
                        new_place.connectPath(new Path(other_new_place, path.getExitDirections()[0], new_place, path.getExitDirections()[1]));
                    }
                }
                // connect children
                for (Place child : place.getChildren()) {
                    // if child is copied, too
                    if (copyPlaces.contains(child)) {
                        Place new_child = place_to_new_place.get(child);
                        new_place.connectChild(new_child);
                    }
                }
            }
        // moving places modifies their coordinates so that they cant be pasted again
        } else
            resetCopy();
    }
    // don't clean up but change cut to copy
    return true;
}