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https://github.com/curioustorvald/Terrarum.git
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added sources for Slick
Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054 Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d
This commit is contained in:
Song Minjae
258
lib/slick-source/org/newdawn/slick/tests/NavMeshTest.java
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258
lib/slick-source/org/newdawn/slick/tests/NavMeshTest.java
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package org.newdawn.slick.tests;
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import java.io.IOException;
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import org.newdawn.slick.BasicGame;
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import org.newdawn.slick.Color;
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import org.newdawn.slick.GameContainer;
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import org.newdawn.slick.Graphics;
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import org.newdawn.slick.Input;
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import org.newdawn.slick.SlickException;
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import org.newdawn.slick.util.Bootstrap;
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import org.newdawn.slick.util.ResourceLoader;
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import org.newdawn.slick.util.pathfinding.Mover;
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import org.newdawn.slick.util.pathfinding.PathFindingContext;
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import org.newdawn.slick.util.pathfinding.TileBasedMap;
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import org.newdawn.slick.util.pathfinding.navmesh.Link;
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import org.newdawn.slick.util.pathfinding.navmesh.NavMesh;
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import org.newdawn.slick.util.pathfinding.navmesh.NavMeshBuilder;
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import org.newdawn.slick.util.pathfinding.navmesh.NavPath;
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import org.newdawn.slick.util.pathfinding.navmesh.Space;
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/**
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* A test to show nav-mesh generation on tile based maps.
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*
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* @author kevin
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*/
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public class NavMeshTest extends BasicGame implements PathFindingContext {
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/** The mesh built for this map */
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private NavMesh navMesh;
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/** The builder used to create the nav-mesh from the tile based map */
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private NavMeshBuilder builder;
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/** True if we're showing the open spaces from the mesh */
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private boolean showSpaces = true;
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/** True if we're showing the linking points */
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private boolean showLinks = true;
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/** The path if there is one current found between the two points */
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private NavPath path;
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/** The x coordinate of the start of the search */
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private float sx;
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/** The y coordinate of the start of the search */
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private float sy;
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/** The x coordinate of the end of the search */
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private float ex;
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/** The y coordinate of the end of the search */
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private float ey;
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/** The tile based map we're searching across - loaded from a raw file */
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private DataMap dataMap;
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/**
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* Create a new test
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*/
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public NavMeshTest() {
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super("Nav-mesh Test");
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}
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/**
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* Initialise resources and the map data
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*
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* @param container the container the game is running in
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*/
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public void init(GameContainer container) throws SlickException {
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container.setShowFPS(false);
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try {
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dataMap = new DataMap("testdata/map.dat");
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} catch (IOException e) {
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throw new SlickException("Failed to load map data", e);
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}
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builder = new NavMeshBuilder();
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navMesh = builder.build(dataMap);
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System.out.println("Navmesh shapes: "+navMesh.getSpaceCount());
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}
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/**
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* Update data map etc
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*/
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public void update(GameContainer container, int delta)
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throws SlickException {
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if (container.getInput().isKeyPressed(Input.KEY_1)) {
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showLinks = !showLinks;
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}
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if (container.getInput().isKeyPressed(Input.KEY_2)) {
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showSpaces = !showSpaces;
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}
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}
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/**
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* Render the game - in this case render the map and diagnostic data
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*
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* @param container The container we're running the game in
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* @param g The graphics context on which to render
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*/
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public void render(GameContainer container, Graphics g)
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throws SlickException {
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g.translate(50,50);
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for (int x=0;x<50;x++) {
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for (int y=0;y<50;y++) {
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if (dataMap.blocked(this, x, y)) {
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g.setColor(Color.gray);
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g.fillRect((x*10)+1,(y*10)+1,8,8);
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}
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}
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}
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if (showSpaces) {
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for (int i=0;i<navMesh.getSpaceCount();i++) {
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Space space = navMesh.getSpace(i);
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if (builder.clear(dataMap, space)) {
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g.setColor(new Color(1,1,0,0.5f));
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g.fillRect(space.getX()*10, space.getY()*10, space.getWidth()*10, space.getHeight()*10);
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}
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g.setColor(Color.yellow);
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g.drawRect(space.getX()*10, space.getY()*10, space.getWidth()*10, space.getHeight()*10);
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if (showLinks) {
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int links = space.getLinkCount();
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for (int j=0;j<links;j++) {
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Link link = space.getLink(j);
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g.setColor(Color.red);
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g.fillRect((link.getX()*10)-2, (link.getY()*10)-2,5,5);
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}
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}
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}
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}
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if (path != null) {
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g.setColor(Color.white);
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for (int i=0;i<path.length()-1;i++) {
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g.drawLine(path.getX(i)*10, path.getY(i)*10, path.getX(i+1)*10, path.getY(i+1)*10);
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}
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}
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}
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/*
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* (non-Javadoc)
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* @see org.newdawn.slick.util.pathfinding.PathFindingContext#getMover()
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*/
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public Mover getMover() {
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return null;
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}
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/*
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* (non-Javadoc)
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* @see org.newdawn.slick.util.pathfinding.PathFindingContext#getSearchDistance()
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*/
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public int getSearchDistance() {
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return 0;
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}
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/*
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* (non-Javadoc)
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* @see org.newdawn.slick.util.pathfinding.PathFindingContext#getSourceX()
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*/
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public int getSourceX() {
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return 0;
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}
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/*
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* (non-Javadoc)
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* @see org.newdawn.slick.util.pathfinding.PathFindingContext#getSourceY()
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*/
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public int getSourceY() {
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return 0;
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}
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/*
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* (non-Javadoc)
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* @see org.newdawn.slick.BasicGame#mousePressed(int, int, int)
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*/
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public void mousePressed(int button, int x, int y) {
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float mx = (x - 50) / 10.0f;
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float my = (y - 50) / 10.0f;
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if (button == 0) {
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sx = mx;
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sy = my;
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} else {
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ex = mx;
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ey = my;
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}
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path = navMesh.findPath(sx,sy,ex,ey,true);
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}
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/**
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* A simple raw map implementation for testing purposes
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*
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* @author kevin
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*/
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private class DataMap implements TileBasedMap {
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/** The map data */
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private byte[] map = new byte[50*50];
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/**
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* Create a new map loading it from a file
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*
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* @param ref The location to load the map from
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* @throws IOException Indicatese a failure to access map data
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*/
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public DataMap(String ref) throws IOException {
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ResourceLoader.getResourceAsStream(ref).read(map);
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}
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/*
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* (non-Javadoc)
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* @see org.newdawn.slick.util.pathfinding.TileBasedMap#blocked(org.newdawn.slick.util.pathfinding.PathFindingContext, int, int)
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*/
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public boolean blocked(PathFindingContext context, int tx, int ty) {
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if ((tx < 0) || (ty < 0) || (tx >= 50) || (ty >= 50)) {
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return false;
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}
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return map[tx+(ty*50)] != 0;
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}
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/*
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* (non-Javadoc)
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* @see org.newdawn.slick.util.pathfinding.TileBasedMap#getCost(org.newdawn.slick.util.pathfinding.PathFindingContext, int, int)
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*/
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public float getCost(PathFindingContext context, int tx, int ty) {
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return 1;
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}
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/*
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* (non-Javadoc)
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* @see org.newdawn.slick.util.pathfinding.TileBasedMap#getHeightInTiles()
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*/
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public int getHeightInTiles() {
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return 50;
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}
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/*
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* (non-Javadoc)
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* @see org.newdawn.slick.util.pathfinding.TileBasedMap#getWidthInTiles()
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*/
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public int getWidthInTiles() {
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return 50;
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}
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/*
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* (non-Javadoc)
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* @see org.newdawn.slick.util.pathfinding.TileBasedMap#pathFinderVisited(int, int)
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*/
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public void pathFinderVisited(int x, int y) {
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}
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}
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/**
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* Entry point to out application
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*
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* @param argv The arguments passed to the application
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*/
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public static void main(String[] argv) {
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Bootstrap.runAsApplication(new NavMeshTest(), 600, 600, false);
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}
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}
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