66 lines
2.2 KiB
Java
66 lines
2.2 KiB
Java
package net.citizensnpcs.npc.ai;
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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.npc.CitizensNPC;
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import net.citizensnpcs.util.NMS;
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import org.bukkit.Location;
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import org.bukkit.util.Vector;
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public class AStarNavigationStrategy extends AbstractPathStrategy {
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private final Location dest;
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private final CitizensNPC npc;
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private final NavigatorParameters params;
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private Path plan;
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private Vector vector;
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AStarNavigationStrategy(CitizensNPC npc, Location dest, NavigatorParameters params) {
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super(TargetType.LOCATION);
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this.params = params;
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this.dest = dest;
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this.npc = npc;
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Location location = npc.getBukkitEntity().getEyeLocation();
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plan = (Path) ASTAR.runFully(new VectorGoal(dest), new VectorNode(location, new ChunkBlockSource(
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location, params.range()), params.examiners()), 10000);
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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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}
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@Override
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public Location getTargetAsLocation() {
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return dest;
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}
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@Override
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public void stop() {
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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 (getCancelReason() != null)
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return true;
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if (plan == null || plan.isComplete())
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return true;
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if (NMS.distanceSquared(npc.getHandle(), 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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vector = plan.getCurrentVector();
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}
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npc.getHandle().getControllerMove().a(vector.getX(), vector.getY(), vector.getZ(), params.speed());
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return false;
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}
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private static final AStarMachine ASTAR = AStarMachine.createWithDefaultStorage();
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}
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