Citizens2/main/java/net/citizensnpcs/trait/waypoint/GuidedWaypointProvider.java

394 lines
14 KiB
Java

package net.citizensnpcs.trait.waypoint;
import java.util.Iterator;
import java.util.List;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.AsyncPlayerChatEvent;
import org.bukkit.event.player.PlayerInteractEntityEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.EquipmentSlot;
import org.bukkit.metadata.FixedMetadataValue;
import org.bukkit.util.Vector;
import com.google.common.base.Function;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import net.citizensnpcs.api.CitizensAPI;
import net.citizensnpcs.api.ai.Goal;
import net.citizensnpcs.api.ai.GoalSelector;
import net.citizensnpcs.api.ai.event.CancelReason;
import net.citizensnpcs.api.ai.event.NavigatorCallback;
import net.citizensnpcs.api.astar.AStarGoal;
import net.citizensnpcs.api.astar.AStarMachine;
import net.citizensnpcs.api.astar.AStarNode;
import net.citizensnpcs.api.astar.Agent;
import net.citizensnpcs.api.astar.Plan;
import net.citizensnpcs.api.command.CommandContext;
import net.citizensnpcs.api.npc.NPC;
import net.citizensnpcs.api.persistence.PersistenceLoader;
import net.citizensnpcs.api.util.DataKey;
import net.citizensnpcs.api.util.Messaging;
import net.citizensnpcs.api.util.prtree.DistanceResult;
import net.citizensnpcs.api.util.prtree.PRTree;
import net.citizensnpcs.api.util.prtree.Region3D;
import net.citizensnpcs.api.util.prtree.SimplePointND;
import net.citizensnpcs.trait.waypoint.WaypointProvider.EnumerableWaypointProvider;
import net.citizensnpcs.util.Messages;
import net.citizensnpcs.util.Util;
public class GuidedWaypointProvider implements EnumerableWaypointProvider {
private final List<Waypoint> available = Lists.newArrayList();
private GuidedAIGoal currentGoal;
private final List<Waypoint> helpers = Lists.newArrayList();
private NPC npc;
private boolean paused;
private PRTree<Region3D<Waypoint>> tree = PRTree.create(new Region3D.Converter<Waypoint>(), 30);
@Override
public WaypointEditor createEditor(final CommandSender sender, CommandContext args) {
if (!(sender instanceof Player)) {
Messaging.sendErrorTr(sender, Messages.COMMAND_MUST_BE_INGAME);
return null;
}
final Player player = (Player) sender;
return new WaypointEditor() {
private final WaypointMarkers markers = new WaypointMarkers(player.getWorld());
private boolean showPath;
@Override
public void begin() {
showPath();
Messaging.sendTr(player, Messages.GUIDED_WAYPOINT_EDITOR_BEGIN);
}
private void createWaypointMarkers() {
for (Waypoint waypoint : Iterables.concat(available, helpers)) {
markers.createWaypointMarker(waypoint);
}
}
private void createWaypointMarkerWithData(Waypoint element) {
Entity entity = markers.createWaypointMarker(element);
if (entity == null)
return;
entity.setMetadata("citizens.waypointhashcode",
new FixedMetadataValue(CitizensAPI.getPlugin(), element.hashCode()));
}
@Override
public void end() {
Messaging.sendTr(player, Messages.GUIDED_WAYPOINT_EDITOR_END);
markers.destroyWaypointMarkers();
}
@EventHandler(ignoreCancelled = true)
public void onPlayerChat(AsyncPlayerChatEvent event) {
if (event.getMessage().equalsIgnoreCase("toggle path")) {
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), new Runnable() {
@Override
public void run() {
togglePath();
}
});
} else if (event.getMessage().equalsIgnoreCase("clear")) {
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), new Runnable() {
@Override
public void run() {
available.clear();
helpers.clear();
if (showPath)
markers.destroyWaypointMarkers();
}
});
}
}
@EventHandler(ignoreCancelled = true)
public void onPlayerInteract(PlayerInteractEvent event) {
if (!event.getPlayer().equals(player) || event.getAction() == Action.PHYSICAL
|| event.getAction() == Action.RIGHT_CLICK_AIR || event.getAction() == Action.RIGHT_CLICK_BLOCK
|| event.getClickedBlock() == null || event.getHand() == EquipmentSlot.OFF_HAND)
return;
if (event.getPlayer().getWorld() != npc.getEntity().getWorld())
return;
event.setCancelled(true);
Location at = event.getClickedBlock().getLocation();
Waypoint element = new Waypoint(at);
if (player.isSneaking()) {
available.add(element);
Messaging.send(player, Messages.GUIDED_WAYPOINT_EDITOR_ADDED_AVAILABLE);
} else {
helpers.add(element);
Messaging.send(player, Messages.GUIDED_WAYPOINT_EDITOR_ADDED_GUIDE);
}
createWaypointMarkerWithData(element);
rebuildTree();
}
@EventHandler(ignoreCancelled = true)
public void onPlayerInteractEntity(PlayerInteractEntityEvent event) {
if (!event.getRightClicked().hasMetadata("citizens.waypointhashcode")
|| event.getHand() == EquipmentSlot.OFF_HAND)
return;
int hashcode = event.getRightClicked().getMetadata("citizens.waypointhashcode").get(0).asInt();
Iterator<Waypoint> itr = Iterables.concat(available, helpers).iterator();
while (itr.hasNext()) {
if (itr.next().hashCode() == hashcode) {
itr.remove();
break;
}
}
}
private void showPath() {
for (Waypoint element : Iterables.concat(available, helpers)) {
createWaypointMarkerWithData(element);
}
}
private void togglePath() {
showPath = !showPath;
if (showPath) {
createWaypointMarkers();
Messaging.sendTr(player, Messages.LINEAR_WAYPOINT_EDITOR_SHOWING_MARKERS);
} else {
markers.destroyWaypointMarkers();
Messaging.sendTr(player, Messages.LINEAR_WAYPOINT_EDITOR_NOT_SHOWING_MARKERS);
}
}
};
}
@Override
public boolean isPaused() {
return paused;
}
@Override
public void load(DataKey key) {
for (DataKey root : key.getRelative("availablewaypoints").getIntegerSubKeys()) {
Waypoint waypoint = PersistenceLoader.load(Waypoint.class, root);
if (waypoint == null)
continue;
available.add(waypoint);
}
for (DataKey root : key.getRelative("helperwaypoints").getIntegerSubKeys()) {
Waypoint waypoint = PersistenceLoader.load(Waypoint.class, root);
if (waypoint == null)
continue;
helpers.add(waypoint);
}
rebuildTree();
}
@Override
public void onRemove() {
npc.getDefaultGoalController().removeGoal(currentGoal);
}
@Override
public void onSpawn(NPC npc) {
this.npc = npc;
if (currentGoal == null) {
currentGoal = new GuidedAIGoal();
npc.getDefaultGoalController().addGoal(currentGoal, 1);
}
}
private void rebuildTree() {
tree = PRTree.create(new Region3D.Converter<Waypoint>(), 30);
tree.load(Lists.newArrayList(Iterables.transform(Iterables.<Waypoint> concat(available, helpers),
new Function<Waypoint, Region3D<Waypoint>>() {
@Override
public Region3D<Waypoint> apply(Waypoint arg0) {
Location loc = arg0.getLocation();
Vector root = new Vector(loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
return new Region3D<Waypoint>(root, root, arg0);
}
})));
}
@Override
public void save(DataKey key) {
key.removeKey("availablewaypoints");
DataKey root = key.getRelative("availablewaypoints");
for (int i = 0; i < available.size(); ++i) {
PersistenceLoader.save(available.get(i), root.getRelative(i));
}
key.removeKey("helperwaypoints");
root = key.getRelative("helperwaypoints");
for (int i = 0; i < helpers.size(); ++i) {
PersistenceLoader.save(helpers.get(i), root.getRelative(i));
}
}
@Override
public void setPaused(boolean paused) {
this.paused = paused;
}
@Override
public Iterable<Waypoint> waypoints() {
return Iterables.concat(available, helpers);
}
private class GuidedAIGoal implements Goal {
private GuidedPlan plan;
@Override
public void reset() {
plan = null;
}
@Override
public void run(GoalSelector selector) {
if (plan.isComplete()) {
selector.finish();
return;
}
if (npc.getNavigator().isNavigating()) {
return;
}
Waypoint current = plan.getCurrentWaypoint();
npc.getNavigator().setTarget(current.getLocation());
npc.getNavigator().getLocalParameters().addSingleUseCallback(new NavigatorCallback() {
@Override
public void onCompletion(CancelReason cancelReason) {
plan.update(npc);
}
});
}
@Override
public boolean shouldExecute(GoalSelector selector) {
if (paused || available.size() == 0 || !npc.isSpawned() || npc.getNavigator().isNavigating()) {
return false;
}
Waypoint target = available.get(Util.getFastRandom().nextInt(available.size()));
plan = ASTAR.runFully(new GuidedGoal(target), new GuidedNode(new Waypoint(npc.getStoredLocation())));
return plan != null;
}
}
private static class GuidedGoal implements AStarGoal<GuidedNode> {
private final Waypoint dest;
public GuidedGoal(Waypoint dest) {
this.dest = dest;
}
@Override
public float g(GuidedNode from, GuidedNode to) {
return (float) from.distance(to.waypoint);
}
@Override
public float getInitialCost(GuidedNode node) {
return h(node);
}
@Override
public float h(GuidedNode from) {
return (float) from.distance(dest);
}
@Override
public boolean isFinished(GuidedNode node) {
return node.waypoint.equals(dest);
}
}
private class GuidedNode extends AStarNode {
private final Waypoint waypoint;
public GuidedNode(Waypoint waypoint) {
this.waypoint = waypoint;
}
@Override
public Plan buildPlan() {
return new GuidedPlan(this.<GuidedNode> getParents());
}
public double distance(Waypoint dest) {
return waypoint.distance(dest);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
GuidedNode other = (GuidedNode) obj;
if (waypoint == null) {
if (other.waypoint != null) {
return false;
}
} else if (!waypoint.equals(other.waypoint)) {
return false;
}
return true;
}
@Override
public Iterable<AStarNode> getNeighbours() {
List<DistanceResult<Region3D<Waypoint>>> res = tree.nearestNeighbour(
Region3D.<Waypoint> distanceCalculator(), Region3D.<Waypoint> alwaysAcceptNodeFilter(), 15,
new SimplePointND(waypoint.getLocation().getBlockX(), waypoint.getLocation().getBlockY(),
waypoint.getLocation().getBlockZ()));
return Iterables.transform(res, new Function<DistanceResult<Region3D<Waypoint>>, AStarNode>() {
@Override
public AStarNode apply(DistanceResult<Region3D<Waypoint>> arg0) {
return new GuidedNode(arg0.get().getData());
}
});
}
@Override
public int hashCode() {
return 31 + ((waypoint == null) ? 0 : waypoint.hashCode());
}
}
private static class GuidedPlan implements Plan {
private int index = 0;
private final Waypoint[] path;
public GuidedPlan(Iterable<GuidedNode> path) {
this.path = Iterables.toArray(Iterables.transform(path, new Function<GuidedNode, Waypoint>() {
@Override
public Waypoint apply(GuidedNode to) {
return to.waypoint;
}
}), Waypoint.class);
}
public Waypoint getCurrentWaypoint() {
return path[index];
}
@Override
public boolean isComplete() {
return index >= path.length;
}
@Override
public void update(Agent agent) {
index++;
}
}
private static final AStarMachine<GuidedNode, GuidedPlan> ASTAR = AStarMachine.createWithDefaultStorage();
}