Citizens2/src/main/java/net/citizensnpcs/npc/ai/AStarNavigationStrategy.java

84 lines
3.1 KiB
Java

package net.citizensnpcs.npc.ai;
import net.citizensnpcs.Settings.Setting;
import net.citizensnpcs.api.ai.NavigatorParameters;
import net.citizensnpcs.api.ai.TargetType;
import net.citizensnpcs.api.ai.event.CancelReason;
import net.citizensnpcs.api.astar.AStarMachine;
import net.citizensnpcs.api.astar.pathfinder.ChunkBlockSource;
import net.citizensnpcs.api.astar.pathfinder.Path;
import net.citizensnpcs.api.astar.pathfinder.VectorGoal;
import net.citizensnpcs.api.astar.pathfinder.VectorNode;
import net.citizensnpcs.api.npc.NPC;
import net.citizensnpcs.util.NMS;
import net.citizensnpcs.util.Util;
import org.bukkit.Effect;
import org.bukkit.Location;
import org.bukkit.util.Vector;
public class AStarNavigationStrategy extends AbstractPathStrategy {
private final Location destination;
private final NPC npc;
private final NavigatorParameters params;
private Path plan;
private Vector vector;
AStarNavigationStrategy(NPC npc, Location dest, NavigatorParameters params) {
super(TargetType.LOCATION);
this.params = params;
this.destination = dest;
this.npc = npc;
Location location = Util.getEyeLocation(npc.getEntity());
plan = ASTAR.runFully(new VectorGoal(dest, (float) params.distanceMargin()), new VectorNode(location,
new ChunkBlockSource(location, params.range()), params.examiners()), 50000);
if (plan == null || plan.isComplete()) {
setCancelReason(CancelReason.STUCK);
} else {
vector = plan.getCurrentVector();
}
}
@Override
public Location getTargetAsLocation() {
return destination;
}
@Override
public void stop() {
plan = null;
}
@Override
public boolean update() {
if (getCancelReason() != null || plan == null || plan.isComplete()) {
return true;
}
if (npc.getEntity().getLocation(NPC_LOCATION).toVector().distanceSquared(vector) <= params.distanceMargin()) {
plan.update(npc);
if (plan.isComplete()) {
return true;
}
vector = plan.getCurrentVector();
}
net.minecraft.server.v1_6_R3.Entity handle = NMS.getHandle(npc.getEntity());
double dX = vector.getBlockX() - handle.locX;
double dZ = vector.getBlockZ() - handle.locZ;
double dY = vector.getY() - handle.locY;
double xzDistance = dX * dX + dZ * dZ;
double distance = xzDistance + dY * dY;
if (Setting.DEBUG_PATHFINDING.asBoolean()) {
for (int i = 0; i < 5; i++) {
npc.getEntity().getWorld().playEffect(npc.getStoredLocation(), Effect.MOBSPAWNER_FLAMES, 0);
}
}
if (distance > 0 && dY > 0 && xzDistance <= 2.75) {
NMS.setShouldJump(npc.getEntity());
}
NMS.setDestination(npc.getEntity(), vector.getX(), vector.getY(), vector.getZ(), params.speed());
return false;
}
private static final AStarMachine<VectorNode, Path> ASTAR = AStarMachine.createWithDefaultStorage();
private static final Location NPC_LOCATION = new Location(null, 0, 0, 0);
}