Java 类org.newdawn.slick.util.pathfinding.Path 实例源码

项目：awesome-game-store 文件：Character.java

/**
 * Create a new Random Movement
 * @param Map
 * @throws SlickException
 */
protected void setupRandomMovement(Map map) throws SlickException {

    Path p = null;
    int randomMovementDirection = new Random().nextInt(4);
    if        (randomMovementDirection == Entity.DOWN_RIGHT) {
        p = map.getPathFinder().findPath(this, this.getXTile(), this.getYTile(), (this.getXTile() + 1 == map.getWidth()) ? this.getXTile() - 1 : this.getXTile() + 1, this.getYTile());
    } else if (randomMovementDirection == Entity.DOWN_LEFT) {
        p = map.getPathFinder().findPath(this, this.getXTile(), this.getYTile(), this.getXTile(), (this.getYTile() + 1 == map.getHeight()) ? this.getYTile() - 1: this.getYTile() + 1);
    } else if (randomMovementDirection == Entity.UP_RIGHT) {            
        p = map.getPathFinder().findPath(this, this.getXTile(), this.getYTile(), (this.getXTile() == 0) ? 1 : this.getXTile() - 1, this.getYTile());
    } else if (randomMovementDirection == Entity.UP_LEFT) {
        p = map.getPathFinder().findPath(this, this.getXTile(), this.getYTile(), this.getXTile(), (this.getYTile() == 0) ? 1 : this.getYTile() - 1);
    }

    if(p == null) {
        state = IDLE;
    } else {
        state = RANDOMLY_MOVING;
        this.startMoving(p, map);
    }
}

项目：awesome-game-store 文件：Customer.java

/**
 * Character will move back to the spawning point to leave the Store
 * @param map
 * @throws SlickException 
 */
private void updateWantsToLeave(Map map) throws SlickException {

    // Let's make the Character go there
    Path p = null;

    // Find the Path to the Spawning Point
    p = map.getPathFinder().findPath(this, this.getXTile(), this.getYTile(), map.getSpawnPoint().x, map.getSpawnPoint().y);

    // Found a valid Path
    if(p != null) {

        // Change its state to MOVING_TO_LEAVE and make it go
        state = MOVING_TO_LEAVE;
        this.startMoving(p, map);

        // Say something about the store
        if(visitRating > 0) this.hadPositiveReaction();
        else if(visitRating < 0) this.hadNegativeReaction(true);
        else this.hadNeutralReaction();

    } else {

        // If the character is already at the spawn point, then it's ok
        if(this.getXTile() == map.getSpawnPoint().x && this.getYTile() == map.getSpawnPoint().y) {
            state = MOVING_TO_LEAVE;
            this.stopMoving(map);
        }

        // Character is stuck in the Store. It will warn the Player
        floatingText.show("I can't leave the store!");
        state = WANTS_TO_LEAVE;
    }
}

项目：JavaRA 文件：FindResources.java

private Path findPathToClosestResourceCell(final EntityHarvester harv) {
Pos resourcePos = getClosestResourceCellBfs(harv);
if (resourcePos != null) {
    Path pathToResource = harv.findPathFromTo(harv,
        (int) resourcePos.getX(), (int) resourcePos.getY());

    return pathToResource;
}

return null;
   }

项目：JavaRA 文件：EntityBarracks.java

public void deployEntity(EntityActor newInstance) {
if (newInstance instanceof MobileEntity) {
    final MobileEntity me = (MobileEntity) newInstance;

    me.isVisible = true;        
    newInstance.setWorld(this.world);

    world.spawnEntityInWorld(newInstance);

    Path p = new Path();
    p.appendStep((int) exitPos.getX(), (int) exitPos.getY());
    p.appendStep((int) rallyPos.getX(), (int) rallyPos.getY());

    SubCell freeSubCell = world.blockingEntityMap.getFreeSubCell(rallyPos, SubCell.CENTER);
    if (freeSubCell != null) {
    me.currentSubcell = freeSubCell;
    me.desiredSubcell = freeSubCell;
    me.setCellPos(exitPos);

    me.startMovingByPath(p, this);
    } else {
    SubCell sc = SubCell.CENTER;

    MobileEntity blocker = world.getMobileEntityInCell(exitPos);
    if (blocker != null) {
        blocker.nudge(me, true);
    }

    blocker = world.getMobileEntityInCell(rallyPos);
    if (blocker != null) {
        blocker.nudge(me, true);
    }

    me.setCellPos(exitPos);
    me.currentSubcell = sc;
    me.desiredSubcell = sc;
    me.startMovingByPath(p, this);
    }
}
   }

项目：JavaRA 文件：EntityInfantry.java

@Override
   public void startMovingByPath(Path p, EntityBuilding ignoreBuilding) {
this.goalX = (int) p.getX(p.getLength() - 1);
this.goalY = (int) p.getY(p.getLength() - 1);

queueActivity(new MoveInfantry(this, p, new Pos(goalX, goalY), ignoreBuilding));
   }

项目：CryptoRl2 文件：GameWorld.java

public Path getPath(int sx, int sy, int tx, int ty) {
    return pathFinder.findPath(new DummyMover(), sx, sy, tx, ty);
}

项目：awesome-game-store 文件：Character.java

/**
 * Finds a Path to an Asset, handles pathfinding exceptions
 * @param asset
 * @throws SlickException 
 */
public void goToAsset(Asset asset, Map map, int nextState) throws SlickException {

    // Let's make the Character go there
    boolean pathIsValid = false;
    Path p = null;

    // Get a random usable tile from the Asset
    int[] randomUsableTile = asset.getRandomUsableTile(map);
    if(randomUsableTile != null) {

        // Find the Path there
        p = map.getPathFinder().findPath(this, this.getXTile(), this.getYTile(), randomUsableTile[0], randomUsableTile[1]);

        if(p != null) {
            pathIsValid = true;
        }
    }

    // Go!
    if(pathIsValid) {

        // Change its state to the next state and make it go
        state = nextState;

        // Save info about the Target Asset
        targetAsset = asset;
        targetAssetXTile = asset.getXTile();
        targetAssetYTile = asset.getYTile();
        targetAssetFacingDirection = asset.getFacingDirection();

        // Move!
        this.startMoving(p, map);
        return;

    }

    // Something wrong with the Path?
    if((randomUsableTile != null) && this.getXTile() == randomUsableTile[0] && this.getYTile() == randomUsableTile[1]) {

        // Already at the Target
        state = nextState;
        this.stopMoving(map);

    } else {

        // Couldn't find path

        // Make the Character say it can't find a way to reach the Asset!
        this.sayCantReachAsset(asset);
        this.unlockAsset(asset);
        state = IDLE;
    }
}

项目：awesome-game-store 文件：Character.java

public Path getPath() {
    return path;
}

项目：awesome-game-store 文件：Character.java

public void setPath(Path path) {
    this.path = path;
}

项目：SmartRover 文件：RoverController.java

public Path getPath() {
    return path;
}

项目：SmartRover 文件：RoverController.java

public void setPath(Path path) {
    this.path = path;
    this.keepGoing = (path != null);
}

项目：JavaRA 文件：EntityAircraft.java

@Override
   public Path findPathFromTo(MobileEntity e, int aGoalX, int aGoalY) {
// TODO Auto-generated method stub
return null;
   }

项目：JavaRA 文件：MoveInfantry.java

public MoveInfantry(MobileEntity me, Path scriptedPath, Pos destinationCell, EntityBuilding aIgnoreBuilding) {
this(me, destinationCell, 0);

this.currentPath = scriptedPath;
this.ignoreBuilding = aIgnoreBuilding;
   }

项目：JavaRA 文件：Move.java

public Move(MobileEntity me, Path scriptedPath, Pos destinationCell, EntityBuilding aIgnoreBuilding) {
this(me, destinationCell, 0);

this.currentPath = scriptedPath;
this.ignoreBuilding = aIgnoreBuilding;
   }

项目：JavaRA 文件：EntityHeavyTank.java

@Override
   public Path findPathFromTo(MobileEntity e, int aGoalX, int aGoalY) {
return world.getVehiclePathfinder().findPathFromTo(this, aGoalX, aGoalY);
   }

项目：JavaRA 文件：EntityV2Launcher.java

@Override
   public Path findPathFromTo(MobileEntity e, int aGoalX, int aGoalY) {
return world.getVehiclePathfinder().findPathFromTo(this, aGoalX, aGoalY);
   }

项目：JavaRA 文件：EntityMammothTank.java

@Override
   public Path findPathFromTo(MobileEntity e, int aGoalX, int aGoalY) {
return world.getVehiclePathfinder().findPathFromTo(this, aGoalX, aGoalY);
   }

项目：JavaRA 文件：EntityMcv.java

@Override
   public Path findPathFromTo(MobileEntity e, int aGoalX, int aGoalY) {
return world.getVehiclePathfinder().findPathFromTo(this, aGoalX, aGoalY);
   }

项目：JavaRA 文件：EntityHarvester.java

@Override
   public Path findPathFromTo(MobileEntity e, int aGoalX, int aGoalY) {
return world.getVehiclePathfinder().findPathFromTo(this, aGoalX, aGoalY);
   }

项目：JavaRA 文件：EntityWarFactory.java

private boolean tryToMoveOutEntityToUnlockedCells(EntityVehicle v) {
boolean isSuccess = false;

int exitX = getTileX() / 24 + 1;
int exitY = getTileY() / 24 + HEIGHT_TILES - 2;

boolean isExitBlocked = isCellBlocked(exitX, exitY);

if (isExitBlocked) {
    // Try to nudge blocker
    MobileEntity blocker = world.getMobileEntityInCell(new Pos(exitX, exitY));
    if (blocker != null) {
    blocker.nudge(null, true);
    }

    return false;
}

Path p = new Path();
p.appendStep((int) targetEntity.getCenterPosX(), (int) targetEntity.getCenterPosY());
p.appendStep(exitX, exitY); 

for (int i = 0; i < 6; i++) {
    int cellX = exitX + this.exitDirectionsX[i];
    int cellY = exitY + this.exitDirectionsY[i];

    if (!isCellBlocked(cellX, cellY)) {
    isSuccess = true;

    tx = cellX;
    ty = cellY;

    p.appendStep(cellX, cellY);

    v.startMovingByPath(p, this);       

    return true;
    }       
}

return false;
   }

项目：JavaRA 文件：EntityInfantry.java

@Override
   public Path findPathFromTo(MobileEntity e, int aGoalX, int aGoalY) {
return world.getInfantryPathfinder().findPathFromTo((EntityInfantry) e, aGoalX, aGoalY);
   }

项目：JavaRA 文件：MobileEntity.java

protected void drawPath(Graphics g) {
if (!Main.DEBUG_MODE) {
    return;
}

if (this.currentActivity != null) {
    Path currentPath = null;
    int pathIndex = 0;

    // For vehicles
    if ((this.currentActivity instanceof Move) && ((Move) this.currentActivity).currentPath != null) {
    currentPath = ((Move) this.currentActivity).currentPath;
    pathIndex = ((Move) currentActivity).currentPathIndex;
    } else if ((this.currentActivity instanceof Move.MovePart) && ((Move.MovePart) this.currentActivity).parentMove.currentPath != null) {
    currentPath = ((Move.MovePart) this.currentActivity).parentMove.currentPath;
    pathIndex = ((Move.MovePart) this.currentActivity).parentMove.currentPathIndex; 
    }

    // For infantry
    if ((this.currentActivity instanceof MoveInfantry) && ((MoveInfantry) this.currentActivity).currentPath != null) {
    currentPath = ((MoveInfantry) this.currentActivity).currentPath;
    pathIndex = ((MoveInfantry) currentActivity).currentPathIndex;
    } else if ((this.currentActivity instanceof MoveInfantry.MovePart) && ((MoveInfantry.MovePart) this.currentActivity).parentMove.currentPath != null) {
    currentPath = ((MoveInfantry.MovePart) this.currentActivity).parentMove.currentPath;
    pathIndex = ((MoveInfantry.MovePart) this.currentActivity).parentMove.currentPathIndex; 
    }


    if (currentPath == null) {
    return;
    }

    g.setColor(Color.green);
    g.setLineWidth(1);

    if (pathIndex == currentPath.getLength()) {
    return;
    }

    g.drawLine(this.getCenterPosX(), this.getCenterPosY(), currentPath.getStep(pathIndex - 1).getX() * 24 + 12, currentPath.getStep(pathIndex - 1).getY() * 24 + 12);

    g.fillOval(this.goalX * 24 + 12 - 2, this.goalY * 24 + 12 - 2, 5, 5);

    for (int i = pathIndex - 1; i < currentPath.getLength() - 1; i++) {
    Step from = currentPath.getStep(i);
    Step to = currentPath.getStep(i + 1);

    g.fillOval(from.getX() * 24 + 12 - 2, from.getY() * 24 + 12 - 2, 5, 5);
    g.fillOval(to.getX() * 24 + 12 - 2, to.getY() * 24 + 12 - 2, 5, 5);

    g.drawLine(from.getX() * 24 + 12, from.getY() * 24 + 12, to.getX() * 24 + 12, to.getY() * 24 + 12);
    }

    //g.setColor(Color.orange);
    //g.fillOval(this.targetCellX * 24 + 12, this.targetCellY * 24 + 12, 5, 5);     
}

// Draw grid
/*final int GRID_SIZE = 3;
g.setColor(Color.gray); 
for (int i = (int) (posX / 24 - GRID_SIZE); i < posX / 24 + GRID_SIZE; i++) {
    for (int j = (int) (posY / 24 - GRID_SIZE); j < posY / 24 + GRID_SIZE; j++) {
    g.drawRect(i * 24, j * 24, 24, 24);
    }
}*/
   }

项目：JavaRA 文件：MobileEntity.java

public void startMovingByPath(Path p, EntityBuilding ignoreBuilding) {
this.goalX = (int) p.getX(p.getLength() - 1);
this.goalY = (int) p.getY(p.getLength() - 1);

queueActivity(new Move(this, p, new Pos(goalX, goalY), ignoreBuilding));
   }

项目：JavaRA 文件：VehiclePathfinder.java

public Path findPathFromTo(EntityVehicle me, int goalX, int goalY) {
MobileEntity m = (MobileEntity) me;
return this.pathfinder.findPath(me, (int) m.getCellPos().getX(), (int) m.getCellPos().getY(), goalX, goalY);
   }

项目：JavaRA 文件：InfantryPathfinder.java

public Path findPathFromTo(EntityInfantry me, int goalX, int goalY) {
MobileEntity m = (MobileEntity) me;
return this.pathfinder.findPath(me, (int) m.getCellPos().getX(), (int) m.getCellPos().getY(), goalX, goalY);
   }

项目：UbikSim 文件：PathfinderDemo.java

public static void main(String[] args) {

        SimpleMap map = new SimpleMap();

        /** documentation at: http://slick.ninjacave.com/javadoc/org/newdawn/slick/util/pathfinding/AStarPathFinder.html */
        AStarPathFinder pathFinder = new AStarPathFinder(map, MAX_PATH_LENGTH, false);
        Path path = pathFinder.findPath(null, START_X, START_Y, GOAL_X, GOAL_Y);

        int length = path.getLength();
        System.out.println("Found path of length: " + length + ".");

        for(int i = 0; i < length; i++) {
            System.out.println("Move to: " + path.getX(i) + "," + path.getY(i) + ".");
        }

    }

项目：UbikSim 文件：PathfinderChecker.java

public PathfinderChecker(String pathScenario) {
    Ubik u= new Ubik(1);        
    u.setPathScenario(pathScenario);      
    u.init();

    String s= "Scenario checked: " + pathScenario + "\n";
    int np= (u.getBuilding().getFloor(0).getPersonHandler().getPersons()).size();
    if(np==0) {
        s+="Add some person for a thorough inform \n";
        return;
    }
    s+= "Persons included: " + np + "\n";

    Person p=(u.getBuilding().getFloor(0).getPersonHandler().getPersons()).get(0);

    List<Room> lr= PositionTools.getRooms(p);
    s+= "List of Rooms included: \n";
    for(Room r: lr){
        s+="\t" + r.getName()+ "\n";
    }


    BooleanPathfindingMap pmap = new BooleanPathfindingMap(p, 10);//perception of 10, the person can see 10 positions ahead to detect mobile obstacles
    AStarPathFinder pathfinder = new AStarPathFinder(pmap, maxSteps, true);//plan with no more than 1000 steps,diagonal movement allowed  
    List<String> nrr=new ArrayList<String>(); //non reachable rooms
    for(Room r1: lr){
        for(Room r2:lr){
            if(lr.indexOf(r1)<lr.indexOf(r2)){//if r1 reaches r2, r2 also reaches r1
                //check reachability                        
                Path path = pathfinder.findPath(null, r1.getCenter().x, r1.getCenter().y, r2.getCenter().x, r2.getCenter().y); //get path 
                LOG.info("Reachability " + r1.getName() +  " to " + r2.getName() +  " checked");
                if(path==null) nrr.add(r1.getName() + " <-> " + r2.getName());
            }
        }
    }
    if(nrr.isEmpty()) s+="All rooms are reachable!";                    
    else{
        s+= "Not reachable rooms with  " + maxSteps + " steps: \n";
        for(String nonreachable: nrr){
            s+="\t" + nonreachable + "\n";
        }
    }
    inform=s;




}

项目：reddit-game-jam-5 文件：Enemy.java

public Path getPath() {
    return path;
}

项目：reddit-game-jam-5 文件：Enemy.java

public void setPath(Path path) {
    this.path = path;
}

项目：awesome-game-store 文件：Character.java

/**
 * Gives the Path to the Entity and tells it it should start moving
 * @param targetXTile
 * @param targetYTile
 * @throws SlickException 
 * @throws NotAValidPathException 
 */
public void startMoving(Path p, Map map) throws SlickException {
    path = p;
    currentPathStep = 1;
    setupNextMovementStep(map);
}

项目：JavaRA 文件：MobileEntity.java

public abstract Path findPathFromTo(MobileEntity e, int aGoalX, int aGoalY);