121 lines
4.2 KiB
Java
121 lines
4.2 KiB
Java
package net.citizensnpcs.npc.ai;
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import java.util.List;
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import org.bukkit.Effect;
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import org.bukkit.Location;
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import org.bukkit.util.Vector;
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import com.google.common.collect.Lists;
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import net.citizensnpcs.Settings.Setting;
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import net.citizensnpcs.api.ai.AbstractPathStrategy;
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import net.citizensnpcs.api.ai.NavigatorParameters;
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import net.citizensnpcs.api.ai.TargetType;
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import net.citizensnpcs.api.ai.event.CancelReason;
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import net.citizensnpcs.api.astar.AStarMachine;
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import net.citizensnpcs.api.astar.pathfinder.ChunkBlockSource;
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import net.citizensnpcs.api.astar.pathfinder.Path;
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import net.citizensnpcs.api.astar.pathfinder.VectorGoal;
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import net.citizensnpcs.api.astar.pathfinder.VectorNode;
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import net.citizensnpcs.api.npc.NPC;
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import net.citizensnpcs.util.NMS;
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public class AStarNavigationStrategy extends AbstractPathStrategy {
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private final Location destination;
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private final NPC npc;
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private final NavigatorParameters params;
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private Path plan;
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private boolean planned = false;
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private Vector vector;
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public AStarNavigationStrategy(NPC npc, Iterable<Vector> path, NavigatorParameters params) {
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super(TargetType.LOCATION);
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List<Vector> list = Lists.newArrayList(path);
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this.params = params;
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this.destination = list.get(list.size() - 1).toLocation(npc.getStoredLocation().getWorld());
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this.npc = npc;
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setPlan(new Path(list));
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}
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public AStarNavigationStrategy(NPC npc, Location dest, NavigatorParameters params) {
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super(TargetType.LOCATION);
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this.params = params;
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this.destination = dest;
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this.npc = npc;
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}
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@Override
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public Iterable<Vector> getPath() {
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return plan == null ? null : plan.getPath();
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}
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@Override
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public Location getTargetAsLocation() {
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return destination;
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}
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public void setPlan(Path path) {
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this.plan = path;
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this.planned = true;
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if (plan == null || plan.isComplete()) {
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setCancelReason(CancelReason.STUCK);
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} else {
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vector = plan.getCurrentVector();
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if (Setting.DEBUG_PATHFINDING.asBoolean()) {
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plan.debug();
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}
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}
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}
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@Override
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public void stop() {
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if (plan != null && Setting.DEBUG_PATHFINDING.asBoolean()) {
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plan.debugEnd();
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}
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plan = null;
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}
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@Override
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public boolean update() {
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if (!planned) {
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Location location = npc.getEntity().getLocation();
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VectorGoal goal = new VectorGoal(destination, (float) params.pathDistanceMargin());
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setPlan(ASTAR.runFully(goal,
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new VectorNode(goal, location, new ChunkBlockSource(location, params.range()), params.examiners()),
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50000));
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}
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if (getCancelReason() != null || plan == null || plan.isComplete()) {
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return true;
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}
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Location currLoc = npc.getEntity().getLocation(NPC_LOCATION);
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if (currLoc.toVector().distanceSquared(vector) <= params.distanceMargin()) {
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plan.update(npc);
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if (plan.isComplete()) {
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return true;
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}
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vector = plan.getCurrentVector();
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}
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double dX = vector.getBlockX() - currLoc.getX();
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double dZ = vector.getBlockZ() - currLoc.getZ();
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double dY = vector.getY() - currLoc.getY();
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double xzDistance = dX * dX + dZ * dZ;
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double distance = xzDistance + dY * dY;
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if (Setting.DEBUG_PATHFINDING.asBoolean()) {
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npc.getEntity().getWorld().playEffect(vector.toLocation(npc.getEntity().getWorld()), Effect.ENDER_SIGNAL,
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0);
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}
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if (distance > 0 && dY > NMS.getStepHeight(npc.getEntity()) && xzDistance <= 2.75) {
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NMS.setShouldJump(npc.getEntity());
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}
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double destX = vector.getX() + 0.5, destZ = vector.getZ() + 0.5;
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NMS.setDestination(npc.getEntity(), destX, vector.getY(), destZ, params.speed());
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params.run();
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plan.run(npc);
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return false;
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}
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private static final AStarMachine<VectorNode, Path> ASTAR = AStarMachine.createWithDefaultStorage();
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private static final Location NPC_LOCATION = new Location(null, 0, 0, 0);
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}
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