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TMXViewer.java
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/*
* Copyright 2010, Thorbjørn Lindeijer <thorbjorn@lindeijer.nl>
*
* This file is part of tmxviewer-java.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
import tiled.core.Map;
import tiled.core.MapLayer;
import tiled.core.TileLayer;
import tiled.io.TMXMapReader;
import tiled.view.MapRenderer;
import tiled.view.OrthogonalRenderer;
import javax.swing.*;
import java.awt.*;
/**
* An example showing how to use libtiled-java to do a simple TMX viewer.
*/
public class TMXViewer
{
public static void main(String[] arguments) {
String fileToOpen = null;
for (String arg : arguments) {
if ("-?".equals(arg) || "-help".equals(arg)) {
printHelpMessage();
return;
} else if (arg.startsWith("-")) {
System.out.println("Unknown option: " + arg);
printHelpMessage();
return;
} else if (fileToOpen == null) {
fileToOpen = arg;
}
}
if (fileToOpen == null) {
printHelpMessage();
return;
}
Map map;
try {
TMXMapReader mapReader = new TMXMapReader();
map = mapReader.readMap(fileToOpen);
} catch (Exception e) {
System.out.println("Error while reading the map:\n" + e.getMessage());
return;
}
System.out.println(map.toString() + " loaded");
JScrollPane scrollPane = new JScrollPane(new MapView(map));
scrollPane.setBorder(null);
scrollPane.setPreferredSize(new Dimension(800, 600));
JFrame appFrame = new JFrame("TMX Viewer");
appFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
appFrame.setContentPane(scrollPane);
appFrame.pack();
appFrame.setVisible(true);
}
private static void printHelpMessage() {
System.out.println("Java TMX Viewer\n" +
"\n" +
"When a parameter is given, it can either be a file name or an \n" +
"option starting with '-'. These options are available:\n" +
"\n" +
"-?\n" +
"-help\n" +
"\tDisplays this help message\n");
}
}
class MapView extends JPanel implements Scrollable
{
private Map map;
private MapRenderer renderer;
public MapView(Map map) {
this.map = map;
renderer = createRenderer(map);
setPreferredSize(renderer.getMapSize());
setOpaque(true);
}
public void paintComponent(Graphics g) {
final Graphics2D g2d = (Graphics2D) g.create();
final Rectangle clip = g2d.getClipBounds();
// Draw a gray background
g2d.setPaint(new Color(100, 100, 100));
g2d.fill(clip);
// Draw each tile map layer
for (MapLayer layer : map) {
if (layer instanceof TileLayer) {
renderer.paintTileLayer(g2d, (TileLayer) layer);
}
}
}
private static MapRenderer createRenderer(Map map) {
switch (map.getOrientation()) {
case Map.ORIENTATION_ORTHOGONAL:
return new OrthogonalRenderer(map);
default:
return null;
}
}
public Dimension getPreferredScrollableViewportSize() {
return getPreferredSize();
}
public int getScrollableUnitIncrement(Rectangle visibleRect,
int orientation, int direction) {
if (orientation == SwingConstants.HORIZONTAL)
return map.getTileWidth();
else
return map.getTileHeight();
}
public int getScrollableBlockIncrement(Rectangle visibleRect,
int orientation, int direction) {
if (orientation == SwingConstants.HORIZONTAL) {
final int tileWidth = map.getTileWidth();
return (visibleRect.width / tileWidth - 1) * tileWidth;
} else {
final int tileHeight = map.getTileHeight();
return (visibleRect.height / tileHeight - 1) * tileHeight;
}
}
public boolean getScrollableTracksViewportWidth() {
return false;
}
public boolean getScrollableTracksViewportHeight() {
return false;
}
}