public void goPath(Timer timer) {
update(timer);
if (position.equals(target) && (pCount == p.getLength() - 1)) {
pathing = false;
} else if (position.equals(target)) {
pCount++;
target.set(p.getX(pCount), p.getY(pCount));
}
}
public void update(GameContainer gc, int frame) {
timr += frame;
if (timr > 500) {
if (path != null) {
pathIdx = Math.min(path.getLength(), pathIdx + 1);
pathStep = path.getStep(pathIdx - 1);
start.setX(pathStep.getX());
start.setY(pathStep.getY());
}
timr = 0;
}
}
private Path updatePath() {
// playMap.clearVisit();
System.out.println("Crawler = " + start);
path = pathFinder.findPath(this, start.getX(), start.getY(), finish.getX(), finish.getY());
System.out.println(
"UpdatePath : " + (path == null ? "none" : " path length " + path.getLength()));
pathIdx = 0;
return path;
}
public void render(GameContainer gc, Graphics gfx) throws SlickException {
Point pt = playMap.getPos();
if (path != null) {
for (int i = 0; i < path.getLength(); i++) {
Path.Step step = path.getStep(i);
gfx.setColor(Color.white);
gfx.drawRect(
pt.getX() + step.getX() * playMap.getTileWidth(),
pt.getY() + step.getY() * playMap.getTileHeight(),
playMap.getTileWidth(),
playMap.getTileHeight());
}
}
if (pathStep != null) {
Point foe = new Point(pt);
gfx.drawOval(
foe.getX() + pathStep.getX() * playMap.getTileWidth() + 4,
foe.getY() + pathStep.getY() * playMap.getTileHeight() + 4,
9,
9);
}
}
private Pos popPath(MobileEntity me) {
int px = 0, py = 0;
if (this.currentPath == null
|| currentPathIndex >= this.currentPath.getLength()
|| this.currentPath.getLength() < 1) {
this.currentPath = null;
return null;
}
Step s = currentPath.getStep(currentPathIndex);
px = s.getX();
py = s.getY();
Pos nextCell = new Pos(px, py);
me.desiredSubcell = me.currentSubcell;
if (!me.world.blockingEntityMap.isSubcellFree(nextCell, me.desiredSubcell)) {
me.desiredSubcell = me.world.blockingEntityMap.getFreeSubCell(nextCell, me.currentSubcell);
if (me.desiredSubcell == null) {
me.desiredSubcell = me.currentSubcell;
}
}
if (!me.canEnterCell(nextCell)) {
// This building we ignore
if (this.ignoreBuilding != null
&& me.world.getBuildingInCell(nextCell) == this.ignoreBuilding) {
this.hasNotifiedBlocker = false;
this.hasWaited = false;
return null;
}
// See if we close enough
float dx = destCell.getX() - nextCell.getX();
float dy = destCell.getY() - nextCell.getY();
if (dx * dx + dy * dy <= this.destRange * this.destRange) {
// System.out.println("We're close enough. Range: " + Math.sqrt(dx * dx + dy * dy) + " <= "
// + this.destRange);
this.currentPathIndex = this.currentPath.getLength(); // stop and skip all path
this.currentPath = null;
return null;
}
// Notify all friendly blockers inside cell
if (!this.hasNotifiedBlocker) {
for (Influence i : me.world.blockingEntityMap.getCellInfluences(nextCell)) {
Entity blocker = i.entity;
if (blocker instanceof MobileEntity) {
// Notify blocker
if (blocker != null && ((MobileEntity) blocker).isFrendlyTo(me)) {
((MobileEntity) blocker).notifyBlocking(me);
}
}
}
this.hasNotifiedBlocker = true;
}
// Wait a bit
if (!this.hasWaited) {
this.waitTicksRemaining =
me.getWaitAverageTime()
+ me.world.getRandomInt(-me.getWaitSpreadTime(), me.getWaitSpreadTime());
// System.out.println("Waiting time: " + this.waitTicksRemaining);
this.hasWaited = true;
((EntityInfantry) me).setCurrentAnimationState(AnimationState.WAITING);
}
if (--this.waitTicksRemaining >= 0) { // We're waiting now
return null;
}
// We're totally blocked, try to calculate new path
chooseNewPath(me);
return null;
}
((EntityInfantry) me).setCurrentAnimationState(AnimationState.MOVING);
if (--this.ticksBeforeRepath <= 0) {
this.ticksBeforeRepath = this.REPATHING_INTERVAL_TICKS;
chooseNewPath(me);
}
this.currentPathIndex++;
this.hasNotifiedBlocker = false;
this.hasWaited = false;
return nextCell;
}
public void setPath(Path p) {
pCount = 0;
this.p = p;
target.set(p.getX(pCount), p.getY(pCount));
pathing = true;
}